1 2005-12-17 Kenneth Zadeck <zadeck@naturalbridge.com>
3 * flow.c (update_life_info, count_or_remove_death_notes): Fixed
4 latent bug that could happen if update_life_info was called with a
5 blocks parameter and the call to cleanup_cfg actually deleted one
8 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
10 * tree-ssa-structalias.c (update_alias_info): Remove handling
11 of may_be_aliased (SSA_NAME_VAR (op)) case.
13 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
15 * tree-flow.h (struct stmt_ann_d): Remove
16 makes_aliased_loads and makes_aliased_stores fields.
17 * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores
18 and makes_aliased_loads fields.
19 * tree-ssa-dom.c (eliminate_redundant_computations): Do not
20 use makes_aliased_stores.
21 * tree-ssa-operands.c (clobbered_aliased_loads,
22 clobbered_aliased_stores, ro_call_aliased_loads): Removed.
23 (build_ssa_operands, add_stmt_operand, add_call_clobber_ops,
24 add_call_read_ops): Do not set makes_aliased_stores and
25 makes_aliased_loads fields.
26 * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores
29 2005-12-18 Geoffrey Keating <geoffk@apple.com>
31 * config/darwin.h: Don't include darwin-sections.def to declare
32 global variables; instead create darwin_section_enum.
33 (darwin_section_enum): New.
34 (darwin_sections): New.
35 * config/darwin.c: Don't include darwin-sections.def to define
37 (darwin_sections): New.
38 (output_objc_section_asm_op): Rewrite to take advantage of
40 (darwin_init_sections): Rewrite to use darwin_sections.
41 (machopic_output_indirection): Update for darwin_sections array.
42 (machopic_select_section): Likewise.
43 (machopic_select_rtx_section): Likewise.
44 (machopic_asm_out_constructor): Likewise.
45 (machopic_asm_out_destructor): Likewise.
46 (darwin_file_end): Likewise.
47 * config/rs6000/rs6000.c (machopic_output_stub): Likewise.
48 * config/i386/i386.c (machopic_output_stub): Likewise.
50 2005-12-18 Richard Guenther <rguenther@suse.de>
52 PR tree-optimization/25481
53 * tree-ssa-structalias.c (handle_ptr_arith): Handle
54 accesses we don't have a varinfo for.
56 2005-12-17 Jon Grimm <jgrimm2@us.ibm.com>
57 Janis Johnson <janis187@us.ibm.com>
58 Ben Elliston <bje@au.ibm.com>
60 * optabs.c (init_floating_libfuncs): Handle decimal float modes.
61 (init_optabs): Handle libfuncs for decimal float.
62 * genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
63 * stor-layout.c (int_mode_for_mode): Likewise.
64 * simplify-rtx.c (simplify_immed_subreg): Likewise.
65 (simplify_unary_operation_1): Skip optimisations for decimal float
67 * varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
68 * emit-rtl.c (gen_const_vector): Add assertion check.
69 (init_emit_once): Populate const_tiny_rtx with constants in each
71 * expmed.c (extract_high_half, expand_mult_highpart_optab,
72 expand_mult_highpart): Assert that mode is not a scalar float
74 * expr.c (convert_move): Handle conversion between decimal and
75 binary floats of the same size.
76 * convert.c (convert_to_real): Consider decimal float types when
78 * dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
79 describe decimal floating point types.
81 2005-12-18 Ulrich Weigand <uweigand@de.ibm.com>
83 PR rtl-optimization/21041
84 * reload.c (find_reloads_subreg_address): Replace paradoxical
85 subreg of MEM by widened access only if the resulting memory
86 is properly aligned, even on !STRICT_ALIGNMENT targets.
88 2005-12-18 Andreas Krebbel <krebbel1@de.ibm.com>
90 * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.
92 2005-12-18 Steven Bosscher <stevenb@suse.de>
94 * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
95 the 2005-12-17 patch to renumber the entry and exit blocks.
97 2005-12-18 Gabriel Dos Reis <gdr@integrable-solutions.net>
99 * doc/objc.texi (Type encoding): Fix typo.
101 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
103 * tree-tailcall.c (find_tail_calls): Use XNEW.
104 * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
105 (free_all_edge_infos): Use explicit cast to convert from void *.
106 (vrp_free): Likewise.
107 (dom_opt_finalize_block): Likewise.
108 (record_equivalences_from_incoming_edge): Likewise.
109 (thread_across_edge): Likewise. Use XCNEWVEC.
110 (record_cond): Use XCNEW.
111 (record_conditions): Use XNEWVEC.
112 (record_edge_info): Use XCNEWVEC.
113 (lookup_avail_expr): Use XNEW.
114 (record_range): Likewise. Use GGC_NEW.
115 * tree-nested.c (var_map_hash): Use explicit cast to convert from
117 (var_map_eq): Likewise.
118 (lookup_field_for_decl): Likewise.
119 (convert_nonlocal_reference): Likewise.
120 (convert_local_reference): Likewise.
121 (convert_nl_goto_reference): Likewise.
122 (convert_nl_goto_receiver): Likewise.
123 (convert_call_expr): Likewise.
124 (convert_tramp_reference): Likewise.
125 (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
126 (convert_nl_goto_reference): Likewise.
127 (lookup_field_for_decl): Use GGC_NEW.
128 (create_nesting_tree): Use GGC_CNEW.
129 * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
130 * tree-ssa-alias.c (init_alias_info): Use XCNEW.
131 (create_alias_map_for): Likewise.
132 (setup_pointers_and_addressables): Use XCNEWVEC.
133 (get_ptr_info): Use GGC_NEW.
134 (used_part_map_eq): Use explicit cast to convert from void *.
135 (up_lookup): Likewise.
136 (up_insert): Use XNEW.
137 (get_or_create_used_part_for): Use XCNEW.
138 (get_tmt_for): Likewise.
139 * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
140 * tree-ssa-pre.c (phi_trans_add): Use XNEW.
141 (bitmap_set_new): Use explicit cast to convert from void *.
143 (insert_into_set): Likewise.
144 (pool_copy_list): Likewise.
145 (phi_translate): Likewise.
146 (create_value_expr_from): Likewise.
147 (insert_aux): Use XCNEWVEC.
148 (compute_avail): Use XNEWVEC.
149 * tree-ssa-live.c (calculate_live_on_entry): Likewise.
150 (sort_coalesce_list): Likewise.
151 (build_tree_conflict_graph): Use XCNEWVEC.
152 * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
153 * tree-ssa-copy.c (init_copy_prop): Likewise.
154 (fini_copy_prop): Likewise.
155 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
157 (record_equiv): Use XNEW.
158 (uncprop_into_successor_phis): Use explicit cast to convert from
160 (uncprop_initialize_block): Likewise.
162 2005-12-18 Dorit Nuzman <dorit@il.ibm.com>
164 PR tree-optimization/24378
165 * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
166 basic-block after loop-versioning.
168 2005-12-18 Jeff Law <law@redhat.com>
170 * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
171 to simplify SWITCH_EXPR_CODE moved from here to ...
172 * tree-ssa-forwprop.c (simplify_switch_expr): Here.
173 (tree-ssa-forward_propagate_single_use_vars): Call
174 simplify_switch_expr when appropriate.
176 2005-12-17 Andrew Pinski <pinskia@physics.uc.edu>
178 * doc/objc.texi (Type encoding): Add documentation about encoding
179 complex types and _Bool.
181 2005-12-17 Paul Brook <paul@codesourcery.com>
183 * config/m68k/m68k.md (m68k_output_function_prologue): Always call
184 dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
185 when frame_pointer_needed.
187 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
189 * tree-vn.c (vn_add): Use XNEW.
190 * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
191 (ccp_fold): Likewise.
192 (fold_stmt_r): Use explicit cast to convert from void *.
193 * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
194 (new_temp_expr_table): Likewise.
195 * gimplify.c (lookup_tmp_var): Use XNEW.
196 (gimplify_asm_expr): Use explcit cast to convert from void *.
197 * tree-into-ssa.c (get_ssa_name_ann): Likewise.
198 (get_def_blocks_for): Use XNEW.
199 (add_to_repl_tbl): Likewise.
200 (mark_def_sites): Use explicit cast to convert from void *.
201 (def_blocks_free): Likewise.
202 (mark_def_sites_initialize_block): Likewise.
203 (update_ssa): Use XNEWVEC.
204 * tree-dfa.c (create_var_ann): Use GGC_NEW.
205 (create_stmt_ann): Likewise.
206 (create_tree_ann): Likewise.
207 (referenced_var_insert): Likewise.
208 (set_default_def): Likewise.
209 (referenced_var_lookup_if_exists): Use explicit cast to convert
211 (referenced_var_lookup): Likewise.
212 (default_def): Likewise.
213 (set_default_def): Likewise.
214 * tree-cfg.c (create_bb): Likewise.
215 (edge_to_cases_cleanup): Likewise.
216 (verify_node_sharing): Likewise.
217 (record_switch_edge): Use XNEW.
218 (cleanup_dead_labels): Use XCNEWVEC.
219 (tree_duplicate_sese_region): Use XNEWVEC.
220 * tree-scalar-evolution.c (get_instantiated_value): Likewise.
221 * tree-ssa.c (verify_ssa): Use XCNEWVEC.
222 (int_tree_map_eq): Use explicit cast to convert from void *.
223 * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
224 (__gcov_execl): Likewise.
225 (__gcov_execlp): Likewise.
226 (__gcov_execle): Likewise.
227 * tree-eh.c (struct_ptr_eq): Likewise.
228 (struct_ptr_hash): Likewise.
229 (lookup_stmt_eh_region_fn): Likewise.
230 (outside_finally_tree): Likewise.
231 (find_goto_replacement): Likewise.
232 (make_eh_edge): Likewise.
233 (mark_eh_edge): Likewise.
234 (add_stmt_to_eh_region_fn): Use GGC_NEW.
235 (record_in_finally_tree): Use XNEW.
236 (maybe_record_in_goto_queue): Use XRESIZEVEC.
237 (lower_try_finally_copy): Use XCNEWVEC.
239 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
241 * tree-inline.c (copy_body_r): Use explicit cast when converting
244 (copy_edges_for_bb): Likewise.
245 (remap_decl_1): Likewise.
246 (estimate_num_insns_1): Likewise.
247 * cgraph.c (hash_node): Use explicit cast when converting from
250 (cgraph_create_node): Use GGC_CNEW.
251 (cgraph_create_edge): Use GGC_NEW.
252 (cgraph_remove_node): Use explicit cast when converting from void *.
253 (hash_varpool_node): Likewise.
254 (eq_varpool_node): Likewise.
255 (cgraph_varpool_node): Use GGC_CNEW.
256 * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
257 * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
258 (eq_scev_info): Use explicit cast when converting from void *.
259 (find_var_scev_info): Likewise.
260 (set_instantiated_value): Likewise.
261 (gather_stats_on_scev_database_1): Likewise.
262 * cfgloop.h (simple_loop_desc): Use explicit cast when converting
264 * c-pch.c (c_common_write_pch): Use XNEWVEC.
265 (c_common_read_pch): Likewise.
266 * prefix.c (save_string): Use XNEWVEC.
267 (translate_name): Use explicit cast when converting from void *.
268 * c-ppoutput.c (print_line): Use explicit cast when converting
270 (pp_dir_change): Likewise.
271 * c-cppbuiltin.c (builtin_define_std): Likewise.
272 (builtin_define_with_value): Likewise.
273 (builtin_define_with_value_n): Likewise.
274 (builtin_define_with_int_value): Likewise.
275 (builtin_define_type_max): Likewise.
276 * c-incpath.c (add_env_var_paths): Use XNEWVEC.
277 (add_path): Use XNEW.
278 * c-format.c (check_format_info_main): Use GGC_NEW.
279 (format_type_warning): Use explicit cast when converting from void *.
280 * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
282 (start_init): Likewise.
283 * tree-flow-inline.h (first_referenced_var): Use explicit cast
284 when converting from void *.
285 (next_referenced_var): Likewise.
286 * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
287 * gensupport.c (lookup_predicate): Use explicit cast to convert
289 (init_predicate_table): Use XCNEW instead of xcalloc.
290 * genpreds.c (process_define_predicate): Likewise.
292 2005-12-17 Danny Berlin <dberlin@dberlin.org>
293 Kenneth Zadeck <zadeck@naturalbridge.com>
295 * basic-block.h: Changed basic block numbering so that the entry
296 block is 0 and the exit block is 1. Changed insn iterators so
297 that they are tolerant of blocks with no insns.
298 * regrename.c (copyprop_hardreg_forward): Changed basic block
299 numbering so that the entry block is 0 and the exit block is 1.
300 * sched-ebb.c (sehedule_ebbs): Ditto.
301 * tracer.c (branch_ratio_cutoff): Ditto.
302 * cfgloopmanip.c (fix_loop_structure): Ditto.
303 * cfghooks.c (verify_flow_info): Ditto.
304 * cfg.c (compact_blocks): Ditto.
305 * reorg.c (dbr_schedule): Ditto.
306 * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
307 * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
308 calculate_dominance_info): Ditto.
309 * cfganal.c (create_edge_list, print_edge_list,
310 flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
311 flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
312 dfs_enumerate_from): Ditto.
313 * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
314 * ifcvt.c (find_if_case_2): Ditto.
315 * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
316 find_basic_blocks): Ditto.
317 * predict.c (predict_loops, tree_bb_level_predictions,
318 predict_paths_leading_to, propagate_freq): Ditto.
319 * lcm.c (compute_antinout_edge, compute_laterin,
320 compute_available): Ditto.
321 * function.c (thread_prologue_and_epilogue_insns): Ditto.
322 * gcse.c (gcse_main, bypass_jumps): Ditto.
323 * profile.c (compute_branch_probabilities,
324 compute_value_histograms, branch_prob): Ditto.
325 * tree-flow-inline.h (bsi_start, bsi_after_labels,
327 * tree-ssa-phiopt.c (tree_ssa_phiopt,
328 blocks_in_phiopt_order): Ditto.
329 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
330 compute_out, link_btr_uses, migrate_btr_defs): Ditto.
331 * tree-dfa.c (collect_dfa_stats): Ditto.
332 * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
333 * cfglayout.c (fixup_reorder_chain): Ditto.
334 * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
335 partition_hot_cold_basic_blocks): Ditto.
336 * var-tracking.c (vt_find_locations): Ditto.
337 * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
338 * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
339 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
340 label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
341 * tree-ssa-reassoc.c (init_reassoc): Ditto.
342 * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
343 rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
344 * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
345 and removed unused reverse orders.
347 * combine.c: Fix document typo.
349 2005-12-17 Jan Hubicka <jh@suse.cz>
351 * tree-flow-inline.h (set_default_def, default_def): Kill.
352 * tree-dfa.c (default_defs): New global variable.
353 (default_def, set_default_def): New functions.
354 * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
355 * tree-flow.h (struct var_ann_d): Kill default_def field.
356 (set_default_def, default_def): Update prototype.
357 (default_defs): Declare.
359 2005-12-16 Jeff Law <law@redhat.com>
361 * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
362 (simplify_rhs_and_lookup_avail_expr): Kill. Remnants moved
363 into tree-ssa-forwprop.c.
364 (eliminate_redundant_computations): Do not call
365 simplify_rhs_and_lookup_avail_expr anymore.
366 * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
367 extracted from remnants of simplify_rhs_and_lookup_avail_expr.
368 (tree_ssa_forward_propagate_single_use_vars): Call
369 simplify_not_neg_expr appropriately.
371 2005-12-16 Bernd Trog <berndtrog@yahoo.com>
374 * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
376 2005-12-17 Kazu Hirata <kazu@codesourcery.com>
378 PR rtl-optimization/25456
379 * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
380 info->x_start with p->x_start.
382 2005-12-17 Alan Modra <amodra@bigpond.net.au>
384 * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
385 introduced 2005-12-16.
387 2005-12-16 Steven Bosscher <stevenb@suse.de>
389 PR rtl-optimization/23837
390 * optabs.c (expand_binop): For a multi-word rotate, never emit
391 a REG_NO_CONFLICT block.
393 2005-12-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
396 * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
399 * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
402 2005-12-16 Steven Bosscher <stevenb@suse.de>
404 * loop-invariant.c (move_loop_invariants): Add missing hunk from
405 the previous patch, to nullify df.
407 2005-12-16 Steven Bosscher <stevenb@suse.de>
409 * reorg.c (mostly_true_jump): Clean up code depending on
410 LABEL_OUTSIDE_LOOP_P and loop notes. Remove code doing
411 poor man's branch prediction, instead rely on REG_BR_PROB
412 notes to be available.
414 2005-12-16 Jakub Jelinek <jakub@redhat.com>
416 PR rtl-optimization/24899
417 * loop.c (strength_reduce): Don't reduce giv that is not always
418 computable and where add_val or mult_val can trap.
420 * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
422 2005-12-16 Nathan Sidwell <nathan@codesourcery.com>
424 * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
425 names of ms1-16-002 files.
427 2005-12-16 Alan Modra <amodra@bigpond.net.au>
430 * gcc.c (for_each_path): New function.
431 (add_to_obstack, file_at_path): New functions.
432 (struct file_at_path_info, struct add_to_obstack_info): New.
433 (build_search_list): Rewrite using for_each_path. Constify struct
434 path_prefix pointer. Add do_multi param. Adjust all callers.
435 (find_a_file): Similarly, but just change existing param to bool.
436 (putenv_from_prefixes): Add do_multi param, make "paths" const.
437 (do_spec_path): Delete.
438 (struct spec_path_info): New.
439 (spec_path): New function.
440 (do_spec_1): Use for_each_path for %D and %I.
441 (find_file): Adjust for find_a_file changes.
442 (main): Search multilibs for specs. Print multilib lib path for
443 -print-search-dirs. Likewise add multilibs to LIBRARY_PATH_ENV.
444 (read_specs): Search multilibs for %include and %include_noerr.
445 (is_directory): Remove second string param. Change last param
446 to a bool. Don't use concat. Remove SMALL_ARG_MAX test, always
447 check path is a dir. Update all callers.
448 * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
449 * system.h (SMALL_ARG_MAX): Poison.
450 * config.gcc: Don't define SMALL_ARG_MAX.
451 * config.host: Likewise.
452 * config.build: Likewise.
454 2005-12-16 Paolo Bonzini <bonzini@gnu.org>
456 * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
457 FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
458 ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
459 simplify_logical): Move simplifications that do not require
460 additional infrastructure...
461 * simplify-rtx.c (simplify_unary_operation_1,
462 simplify_binary_operation_1): ... here.
464 2005-12-16 Andreas Krebbel <krebbel1@de.ibm.com>
467 * flow.c (mark_used_dest_regs): New function.
468 (mark_used_regs): Call mark_used_dest_regs.
470 2005-12-16 Jeff Law <law@redhat.com>
472 * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
473 represent a use and definition of the same SSA_NAME.
475 2005-12-16 Jon Grimm <jgrimm2@us.ibm.com>
476 Janis Johnson <janis187@us.ibm.com>
477 Ben Elliston <bje@au.ibm.com>
479 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
480 (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
481 * target.h (struct gcc_target): Add decimal_float_supported_p.
482 * targhooks.c (default_scalar_mode_supported_p): Handle
484 * builtins.def: Add new builtins for 32, 64 and 128 bit variants
485 of inf, nan, finite, isinf and isnan.
486 * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
487 BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
488 BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
489 BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
490 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
491 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
492 BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
493 * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
494 Pedwarn if decimal floating point types are used. Error if
495 decimal floating point is not supported by the target.
496 (finish_declspecs): Return type from DFP typespec_word.
497 * c-typeck.c (c_common_type): Choose the decimal floating point
498 type with the greater precision when determining a common type.
499 (convert_arguments): Warn if there is a mismatch between argument
500 and prototype for decimal float types. Warn of conversions with
501 binary float types and of precision narrowing due to prototype.
502 * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
503 (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
504 (c_token_starts_declspecs): Likewise.
505 (c_parser_attributes): Likewise.
506 * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
507 RID_DFLOAT64, RID_DFLOAT128.
508 (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
509 * c-common.c (c_common_type_for_mode): Handle decimal float modes.
510 (shorten_compare): Convert DFP/BFP operands to a common type.
511 (c_common_modes_and_builtins): Register built-in decimal float
512 types if the target supports them.
513 (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
514 * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
515 inf, nan, finite, isinf and isnan builtins.
516 * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
517 (builtin_define_float_constants): Assert non-decimal radix.
518 (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
519 Call builtin_define_decimal_float_constants for each type.
520 * c-lex.c (interpret_float): Decode decimal float types from CPP_N
521 flags. Use real_from_string3, which can handle binary or decimal
523 * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
524 cts_dfloat64, cts_dfloat128.
525 * tree.c (build_common_tree_nodes_2): Add decimal float types.
526 * tree.h (enum tree_index): Add new enumeration values
527 TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
528 TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
529 (dfloat32_type_node): New macro.
530 (dfloat64_type_node, dfloat128_type_node): Likewise.
531 (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
532 (dfloat128_ptr_type_node): Likewise.
533 * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
534 bit decimal floating point types with "df", "dd" and "dl".
535 * c-format.h (enum format_lengths): Add new enumeration values
536 FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
537 * c-format.c (printf_length_specs, scanf_length_specs): Add
538 entries for H, D, DD.
539 (print_char_table, scan_char_table): Use new entries.
540 (asm_fprintf_char_table, gcc_diag_char_table,
541 gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
543 * defaults.h (DECIMAL32_TYPE_SIZE): Define.
544 (DECIMAL64_TYPE_SIZE): Likewise.
545 (DECIMAL128_TYPE_SIZE): Likewise.
546 (TARGET_DEC_EVAL_METHOD): Likewise.
547 * doc/extend.texi (Decimal Float): New node.
548 (Constructing Calls): Document decimal float built-ins.
549 * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
550 * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
551 * ginclude/decfloat.h: New file.
553 2005-12-16 Alan Modra <amodra@bigpond.net.au>
555 * reload.c (find_reloads): Fix comment typo.
556 * recog.h (recog_memoized): Correct comment.
558 2005-12-16 Kazu Hirata <kazu@codesourcery.com>
560 * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
561 config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
562 reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
563 tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
564 * doc/invoke.texi, doc/tm.texi: Fix typos.
566 2005-12-16 Ben Elliston <bje@au.ibm.com>
568 * real.c (decimal_quad_format): Correct values for emin, emax.
570 2005-12-15 DJ Delorie <dj@redhat.com>
572 * config/m32c/predicates.md (m32c_psi_scale): New.
573 * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
574 * config/m32c/muldiv.md (mulpsi3): Support negative constants.
576 2005-12-16 Jan Hubicka <jh@suse.cz>
578 PR rtl-optimization/25224
579 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
582 2005-12-15 Zdenek Dvorak <dvorakz@suse.cz>
583 Steven Bosscher <stevenb@suse.de>
585 * loop-invariant.c (df): New global variable.
586 (find_defs, check_dependencies, find_invariant_insn, record_uses,
587 find_invariants_bb, find_invariants_body, find_invariants,
588 find_invariants_to_move, move_invariants, free_inv_motion_data,
589 move_single_loop_invariants, move_loop_invariants): Do not pass df in
592 2005-12-15 Jakub Jelinek <jakub@redhat.com>
594 * varasm.c (default_unique_section_1): Use special section
595 names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
597 2005-12-16 Ben Elliston <bje@au.ibm.com>
599 * doc/invoke.texi (Warning Options): Document -Walways-true being
602 2005-12-15 Joseph S. Myers <joseph@codesourcery.com>
605 * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
606 * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
607 __floatunditf): Use #error if type sizes don't match requirements
609 (__floatdisf, __floatdidf): Unify. Possibly use XFmode or TFmode
610 as wider floating-point type. Use #error if type sizes don't
611 match requirements of implementation. Avoid overflow in computing
612 Wtype_MAXp1_F * Wtype_MAXp1_F. When special casing conversion,
613 shift one more bit. Cast 1 to DWtype or UDWtype for shifting.
614 (__floatundisf, __floatundidf): Likewise.
615 * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
616 * config/ia64/ia64.c (ia64_init_libfuncs): Use
617 _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
618 TFmode-TImode conversions.
619 * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
621 2005-12-14 Craig Rodrigues <rodrigc@gcc.gnu.org>
623 * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
624 Use builtin_define_with_int_value() instead of
625 adding a new check for every new major FreeBSD version.
627 2005-12-14 Andrew Pinski <pinskia@physics.uc.edu>
629 * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
631 2005-12-15 Richard Sandiford <richard@codesourcery.com>
633 * config/arm/predicates.md (call_memory_operand): New.
634 * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
636 2005-12-15 Andrew Haley <aph@redhat.com>
638 * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
639 against prev_cache_entry == NULL when moving a cache entry to the
642 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
644 * config/mt/mt.c (mt_override_options): Require lower case
645 architectures. Revert accidental default to ms2.
646 * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
647 ENDFILE_SPEC): Require lower case architectures. Revert default
650 * doc/invoke.texi (MT Options): Rename and update.
651 * doc/md.texi (MorphoTech family): Rename and update.
653 2005-12-15 Olivier Hainque <hainque@adacore.com>
655 * stor-layout.c (layout_type): Don't complain about a too small
656 an array element type size compared to its alignment when the
659 2005-12-15 Jan Hubicka <jh@suse.cz>
662 * i386.c (classify_argument): Properly adjust offset of bitfield for
665 2005-12-15 Richard Sandiford <richard@codesourcery.com>
667 * final.c (final_scan_insn): Flip in_cold_section_p when changing
668 between the hot and cold sections. Use current_function_section
669 to get the new section.
670 * dwarf2out.c (output_line_info): Use in_cold_section_p to
671 determine whether we are assembling hot or cold code.
672 (secname_for_decl, dwarf2out_var_location): Likewise.
673 (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
674 * varasm.c (last_text_section): Delete.
675 (in_cold_section_p): New variable.
676 (hot_function_section): New function.
677 (current_function_section): Pass in_cold_section_p as the
678 reloc argument to select_section. Use it to decide between
679 unlikely_function_section and hot_function_section.
680 (assemble_start_function): Use switch_to_section. Set
681 in_cold_section_p instead of last_text_section.
682 (assemble_end_function): Use switch_to_section.
683 (switch_to_section): Don't set last_text_section.
684 * config/darwin/darwin.c (machopic_select_section): Trust the reloc
685 argument to make the right choice between hot and cold sections.
687 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
689 Second part of MS1->MT renaming
690 * config/mt/mt.md (doloop_end): Call mt_add_loop.
691 (movqi, movhi): Call mt_set_memflags.
692 (*movdf_internal): Call mt_split_words.
693 (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
695 (cmpsi): Store to mt_compare_op[01].
696 (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
697 bungt, bunle, bunlt): Call mt_emit_cbranch.
698 (prologue): Call mt_expand_prologue.
699 (epilogu): Call mt_expend_epilogue.
700 (eh_return): Call mt_expand_eh_return.
701 (eh_epilogue): Call me_emit_eh_epilogue.
702 (conditional_trap): Store to mt_compare_op[01].
703 * config/mt/crti.asm: Adjust comment.
704 * config/mt/crtn.asm: Adjust comment.
705 * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
706 (mt_compare_op0, mt_compare_op1): Renamed.
707 (current_frame_info, zero_frame_info): Adjust type.
708 (mt_ucmpsi3_libcall): Renamed.
709 (mt_flag_delayed_branch): Renamed.
710 (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
711 (mt_nops_required, mt_nop_reasons): Renamed.
712 (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
713 mt_debug_stack, mt_print_operand_simple_address,
714 mt_print_operand_address, mt_print_operand): Renamed, adjusted.
715 (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
716 mt_function_arg_advance, mt_arg_partial_bytes,
717 mt_pass_by_reference, mt_function_arg_boundary,
718 mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
719 mt_legitimate_address_p): Renamed, adjusted.
721 (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
722 mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
723 mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p,
724 mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
725 mt_expand_eh_return, mt_emit_eh_prologue,
726 mt_handl_interrupt_attribute): Renamed, adjusted.
727 (mt_attribute_table): Renamed, adjusted.
728 (mt_initial_elimination_offset, mt_generate_compare,
729 mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
730 mt_secondary_reload_class, mt_function_value, mt_split_words,
731 mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
732 mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
733 (mt_labels): Renamed.
734 (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
735 mt_machine_reorg): Renamed, adjusted.
736 (mt_attribute_table: Renamed.
737 (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
738 TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
739 TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
740 * config/mt/mt.opt (march): Set mt_cpu_string.
741 * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
742 (TARGET_CPU_CPP_BUILTINS): Adjust.
743 (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
745 (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
746 (MT_MIN_INT): Renamed.
747 (RETURN_ADDR_RTX): Adjust.
748 (struct mt_frame_info): Renamed.
749 (current_frame_info): Adjust type.
750 (INITIAL_ELIMINATION_OFFSET): Adjust.
751 (MT_NUM_ARG_REGS): Renamed.
752 (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
753 FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
754 LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
755 GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
756 FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
757 (mt_compare_op0, mt_compare_op1): Renamed.
758 * config/mt/mt-protos.h: Rename prototypes.
760 2005-12-15 Richard Guenther <rguenther@suse.de>
762 * tree-flow.h (okay_component_ref_for_subvars): Remove.
763 (get_ref_base_and_extent): Declare.
764 * tree-dfa.c (okay_component_ref_for_subvars): Remove.
765 (get_ref_base_and_extent): New function.
766 * tree-ssa-alias.c (find_used_portions): Use it.
767 * tree-ssa-structalias.c (get_constraint_for_component_ref):
769 * tree-ssa-operands.c (get_expr_operands): Likewise.
771 2005-12-15 Paolo Bonzini <bonzini@gnu.org>
773 * combine.c: Remove force_to_mode's fourth parameter.
774 (force_to_mode): Do not handle REG.
775 (canon_reg_for_combine): New.
776 (make_field_assignment): Use it where the removed argument was non-NULL.
778 2005-12-15 Alan Modra <amodra@bigpond.net.au>
781 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
782 error_mark_node. Make alignment params unsigned.
783 * config/rs6000/rs6000-protos.h
784 (rs6000_special_round_type_align): Update prototype.
785 (rs6000_machopic_legitimize_pic_address): Remove arg names.
787 2005-12-14 Ulrich Weigand <uweigand@de.ibm.com>
789 PR rtl-optimization/25310
790 * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
791 of the eliminable register when substituting into a PLUS.
793 2005-12-14 Jakub Jelinek <jakub@redhat.com>
796 * config/i386/i386.c (ix86_force_to_memory): Always use
797 SImode push for HImode in -m32.
798 (ix86_free_from_memory): Likewise.
800 2005-12-14 Richard Sandiford <richard@codesourcery.com>
802 * gcc/config/arm/arm.md: Provide a big-endian version of the
803 (zero_extend:SI (subreg:QI ...)) splitter.
805 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
807 * struct-equiv.c (note_local_live): Handle hard regs with different
810 2005-12-14 Jeff Law <law@redhat.com>
812 * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
813 to a structure containing state rather than a pointer to bool.
814 (case ARRAY_REF): New code to handle folding some array references.
815 (case ADDR_EXPR): Note when we are processing expressions found
816 within an ADDRE_EXPR.
817 (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
818 for state variables rather than just a pointer to a boolean.
819 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
820 handling of constant string references.
822 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
824 * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
825 ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
826 ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
827 Move other tst* patterns to retain partial order.
829 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
831 * config/s390/s390.md ("d0", "1"): New mode attributes.
832 ("<shift>di3", "<shift>si3"): Merge.
833 ("*<shift>di3_and", "*<shift>si3_and"): Merge.
834 ("ashrdi3", "ashrsi3"): Merge.
835 ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
836 ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
837 ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
838 ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
839 ("*ashrdi3", "*ashrsi3"): Merge.
840 ("*ashrdi3_and", "*ashrsi3_and"): Merge.
842 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
844 * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
845 ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
846 ("*extendqidi2", "*extendqisi2") Merge.
847 ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
848 ("zero_extendhidi2", "zero_extendqidi2"): Merge.
849 ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
850 Move some patterns to retain partial ordering.
852 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
854 * config/s390/s390.md ("atype", "length"): Rewrite.
855 ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
857 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
859 * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
861 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
863 * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
864 PARALLELs with a mode.
866 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
868 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
871 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
873 * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
875 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
879 * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
882 * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
884 2005-12-14 Jakub Jelinek <jakub@redhat.com>
888 * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
889 DECL_P, call get_section rather than get_named_section. Supply
892 2005-12-14 Ben Elliston <bje@au.ibm.com>
894 * c-common.c (c_common_truthvalue_conversion): Generalise warning
895 for addresses converted to booleans; not just function addresses.
896 * c-typeck.c (build_binary_op): Warn for address comparisons which
897 can never be NULL (eg. func == NULL or &var == NULL).
898 * common.opt (Walways-true): New option.
899 * c-opts.c (c_common_handle_option): Set it with -Wall.
900 * doc/invoke.texi: Document it.
902 2005-12-13 Paul Brook <paul@codesourcery.com>
904 * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
905 __floatunsidf, __floatunsisf, __floatunsixf): New functions.
907 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
909 * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
910 * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
912 * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
913 (EXTRA_MULTILIB_PARTS): Define.
915 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
917 PR rtl-optimization/20070 / part1
918 * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
919 count_or_remove_death_notes with kill == -1.
920 (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
921 registers if PROP_POST_REGSTACK is set.
922 (mark_used_reg): Likewise.
923 (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
924 REG_UNUSED notes for stack regs.
925 * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
926 to match rtx_equiv_p machinery. Change caller.
927 (outgoing_edges_match): Likewise.
928 (try_crossjump_to_edge): Use struct_equiv_block_eq
929 instead of flow_find_cross_jump.
930 * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
931 (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
932 (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
933 (STRUCT_EQUIV_MAX_LOCAL): Likewise.
934 (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
935 (insns_match_p): Update prototype.
936 (flow_find_cross_jump): Remove prototype.
937 (struct_equiv_block_eq, struct_equiv_init): Declare.
938 (rtx_equiv_p, condjump_equiv_p): Likewise.
939 * struct-equiv.c: Include reload.h.
940 (IMPOSSIBLE_MOVE_FACTOR): Define.
941 (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
942 (struct_equiv_improve_checkpoint): Likewise.
943 (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
944 (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
945 (struct_equiv_merge, find_dying_input): Likewise.
946 (resolve_input_conflict, note_local_live): Likewise.
947 (death_notes_match_p): Change parameters and processing
948 to match rtx_equiv_p machinery. Change caller.
949 (insns_match_p): Likewise.
950 (flow_find_cross_jump): Replace with:
951 (struct_equiv_block_eq).
953 Back out this change:
954 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
955 * recog.c (verify_changes): Make it static.
956 * recog.h: Remove the corresponding prototype.
958 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
960 * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
963 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
965 * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
966 (MULTILIB_DIRNAMES): Add ms2. Prefix ms1 dirs with 'ms1'.
967 * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
968 TARGET_MS1_64_001 appropriately.
969 (ms1_machine_reorg): Use TARGET_MS2.
971 2005-12-13 Jakub Jelinek <jakub@redhat.com>
975 * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
976 and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
977 Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
978 * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
979 Set mode to SI, adjust constraints.
980 (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
981 * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
984 2005-12-13 Carlos O'Donell <carlos@codesourcery.com>
986 * c-cppbuiltin.c (builtin_define_float_constants): Add
987 fp_cast parameter, pass to builtin_define_with_hex_fp_value.
988 Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
989 (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
990 (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
991 to "((double)%sL)" otherwise "%s".
993 2005-12-13 Paul Brook <paul@codesourcery.com>
995 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
998 2005-12-11 Rafael vila de Espndola <rafael.espindola@gmail.com>
1000 * tree-flow.h: Allow compilation with a C++ compiler.
1001 (struct edge_prediction): Prefix all field names with "ep_".
1002 * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
1003 (tree_predict_edge, combine_predictions_for_bb): Likewise.
1004 (remove_predictions_associated_with_edge): Likewise.
1006 2005-12-12 Jeff Law <law@redhat.com>
1008 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1010 * passes.c (init_optimization_passes): Run reassociation again
1011 after loop optimizations.
1013 2005-12-12 Daniel Berlin <dberlin@dberlin.org>
1015 * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
1017 (optimize_stmt): Ditto.
1018 (canonicalize_comparison): New function.
1019 * tree-ssa-operands.c (swap_tree_operands): Make external.
1020 (get_expr_operands): Stop auto-canonicalization.
1021 * tree-ssa-reassoc.c: Rewrite.
1022 (init_optimization_passes):
1023 * tree-flow.h (swap_tree_operands): Prototype.
1024 * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
1026 2005-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1028 * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
1029 indicate function epilogue has been output.
1030 (pa_asm_output_mi_thunk): Likewise.
1031 (output_deferred_plabels): Put plabels in readonly data section when
1032 not generating PIC code.
1033 (som_output_text_section_asm_op): Use .NSUBSPA to output debug
1034 information. Add assert.
1035 (som_output_comdat_data_section_asm_op): New function.
1036 (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
1037 instead of output_section_asm_op for COMDAT sections.
1039 2005-12-12 J"orn Rennecke <joern.rennecke@st.com>
1041 * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
1042 Fix whitespace in vincinity of to-be-installed changes.
1043 * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
1044 (insns_match_p): Likewise.
1046 2005-12-12 Nathan Sidwell <nathan@codesourcery.com>
1048 * config.gcc (ms1): Replace with ...
1050 * config/ms1: Rename to ...
1051 * config/mt: ... here. Rename ms1 files to mt.
1052 * config/mt/mt.c: Adjust gt-mt.h #include.
1053 * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
1054 (crti.o, crtn.o): Adjust file names.
1056 2005-12-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1058 * varray.h: Allow compilation with a C++ compiler.
1059 (union varray_data_tag): Prefix all field names with "vdt_".
1060 (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
1061 VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
1062 VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
1063 VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
1064 VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
1065 VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
1066 (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
1067 VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT,
1068 VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT,
1069 VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR,
1070 VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR,
1071 VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE,
1072 VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB,
1073 VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
1074 (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT,
1075 VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT,
1076 VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT,
1077 VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR,
1078 VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX,
1079 VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP,
1080 VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE,
1081 VARRAY_TOP_TREE_PTR): Likewise.
1082 * varray.c (varray_grow): Likewise.
1083 (varray_clear): Likewise.
1085 2005-12-12 Alan Modra <amodra@bigpond.net.au>
1088 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
1089 alignment to doubleword if the first field is a double array.
1090 * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
1092 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1094 * tree-ssa-structalias.c (process_constraint): Remove code to
1095 transform addressofs into scalar.
1096 (create_variable_info_for): In whole-program IPA, globals don't
1097 point to ANYTHING by default.
1099 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1101 * timevar.def (TV_IPA_PTA): New.
1102 * tree-pass.h (pass_ipa_pta): New
1103 * tree-ssa-structalias.c: Include cgraph.h
1105 (predbitmap_obstack): New.
1106 (EXECUTE_IF_IN_NONNULL_BITMAP): New.
1107 (struct constraint_stats): Add num_edges.
1108 (new_var_info): Don't call bitmap_clear.
1109 (struct constraint_edge): Update docs.
1110 (new_constraint_edge): Remove src param.
1111 (struct constraint_graph): Add zero_weight_succs,
1112 zero_weight_preds. Update docs.
1113 (constraint_expr_equal): Reformat.
1114 (constraint_edge_equal): Update for removal of src.
1115 (constraint_edge_less): Ditto.
1116 (constraint_edge_vec_find): Ditto.
1117 (erase_graph_self_edge): Update for removal of src and and zero
1119 (clear_edges_for_node): Ditto.
1120 (add_graph_edge): Ditto.
1121 (get_graph_weights): Ditto.
1122 (allocate_graph_weights): Ditto.
1123 (merge_graph_nodes): Ditto.
1124 (int_add_graph_edge): Ditto.
1125 (valid_graph_edge): Ditto.
1126 (valid_weighted_graph_edge): Ditto.
1127 (build_constraint_graph): Ditto.
1129 (collapse_nodes): Ditto.
1130 (process_unification_queue): Ditto.
1131 (topo_visit): Ditto.
1132 (solve_graph): Ditto.
1133 (do_structure_copy): Ditto.
1134 (perform_var_substitution): Ditto.
1135 Init and release obstack.
1136 (handle_ptr_arith): Try to resolve directly.
1137 (find_func_aliases): Don't call update_alias_info here
1138 Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
1139 (do_sd_constraint): Add code for propagating faster.
1141 (do_ds_constraint): Ditto.
1142 (count_num_arguments): New function.
1143 (create_function_info_for): Ditto.
1144 (create_variable_info_for): Handle FUNCTION_DECL.
1145 (intra_create_variable_infos): Use make_constraint_to_anything.
1146 (init_alias_vars): Init obstacks here.
1147 (need_to_solve): Handle zero weight graph changes.
1148 (compute_points_to_sets): Call update_alias_info here.
1149 (delete_points_to_sets): Free zero weight preds/succs here.
1150 (gate_ipa_pta): New.
1151 (ipa_pta_execute): New
1153 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1155 * tree-ssa-structalias.c (var_anyoffset): Removed.
1156 (anyoffset_tree): Ditto.
1157 (anyoffset_id): Ditto.
1158 (do_deref): Take vector of constraints, no return value.
1159 Update to work on vector.
1160 (get_constraint_for): Ditto.
1161 (get_constraint_for_component_ref): Ditto.
1162 (do_structure_copy): Ditto.
1163 (handle_ptr_arith): Ditto.
1164 (find_func_aliases): Ditto.
1165 (set_uids_in_ptset): Remove anyoffset handling.
1166 (init_base_vars): Ditto.
1168 2005-12-10 Mark Mitchell <mark@codesourcery.com>
1171 * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
1172 DECL_EXTERNAL functions have no bodies. Tidy.
1174 2005-12-10 Andreas Schwab <schwab@suse.de>
1176 * except.c (switch_to_exception_section): Only define if
1177 TARGET_UNWIND_INFO is not defined.
1179 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1181 * config/darwin.h (HAS_INIT_SECTION): Remove definition.
1182 (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
1184 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1186 * output.h (init_section, fini_section): Delete.
1187 * varasm.c (init_section, fini_section): Delete.
1188 (init_varasm_once): Don't initialize them.
1189 * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
1190 there are no corresponding varasm.c variables.
1192 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1194 * dwarf2out.c (default_eh_frame_section): Delete, moving handling
1195 of EH_FRAME_SECTION_NAME into...
1196 (switch_to_eh_frame_section): ...here. Try to set eh_frame_section
1197 if it is still null.
1198 * except.c (default_exception_section): Delete, moving most
1200 (switch_to_exception_section): ...this new function. Set
1201 exception_section if it is still null, then switch to it.
1202 (output_function_exception_table): Use switch_to_exception_section.
1203 * varasm.c (exception_section, eh_frame_section): Update comments.
1204 (get_section): Hoist use of SECTION_NAMED.
1205 (init_varasm_once): Don't set exception_section and eh_frame_section.
1206 * output.h (default_exception_section): Delete.
1207 (default_eh_frame_section): Delete.
1209 2005-12-09 Bernd Schmidt <bernd.schmidt@analog.com>
1211 * config/bfin/bfin.c: Include "cgraph.h".
1212 (bfin_load_pic_reg): Omit loading pic reg if in a local function.
1213 Return the reg that holds the pointer to the GOT.
1214 (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
1215 doing stack checking.
1217 2005-12-09 Diego Novillo <dnovillo@redhat.com>
1219 * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
1220 recompute_tree_invarant_for_addr_expr.
1221 Update uses everywhere.
1223 2005-12-09 Aldy Hernandez <aldyh@redhat.com>
1225 * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
1226 (MULTILIB_DIRNAMES): Define.
1228 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
1231 * config/s390/s390.c (struct s390_address): New field literal_pool.
1232 (s390_decompose_address): Compute literal_pool field. Do not
1233 assume register %r13 is always (and solely) used as pool base.
1234 (s390_extra_constraint_str): Use literal_pool field.
1236 2005-12-09 Thiemo Seufer <ths@networkno.de>
1238 * config/mips/mips.c (override_options): Don't allow too small
1239 integers in FP registers.
1241 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
1243 * config/s390/s390.c (s390_function_ok_for_sibcall): Use
1244 targetm.binds_local_p to check for local function calls.
1246 2005-12-09 Alan Modra <amodra@bigpond.net.au>
1249 * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1250 call_used_regs can't be used to save reg in another reg.
1252 2005-12-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1253 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1255 * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1257 * except.c (output_ttype): Likewise.
1258 * tree-object-size.c (collect_object_sizes_for): Likewise.
1259 (check_for_plus_in_loops_1): Likewise.
1260 (check_for_plus_in_loops): Likewise.
1261 (compute_object_sizes): Use gcc_unreachable instead of abort.
1263 2005-12-08 Nathan Sidwell <nathan@codesourcery.com>
1265 * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1266 (loop_end, loop_init, doloop_end): New insns.
1267 * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1268 (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1269 (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1270 (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1271 * config/ms1/ms1.c: #include basic-block.h
1272 (struct machine_function): Add has_loops field.
1273 (ms1_add_loop): New.
1274 (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1275 (struct loop_info, struct loop_work): New.
1276 (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1277 (ms1_reorg_loops): New loop optimization.
1278 (ms1_machine_reorg): Call it.
1279 * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1281 2005-12-08 Zdenek Dvorak <dvorakz@suse.cz>
1283 PR tree-optimization/25248
1284 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1285 evolution_of_loop from the failed attempt. Remove handling
1288 2005-12-08 Gabriel Dos Reis <gdr@integrable-solutions.net>
1290 * tree.h (DECL_EXTERNAL): Clarify documentation.
1292 2005-12-08 Andreas Krebbel <krebbel1@de.ibm.com>
1293 Jakub Jelinek <jakub@redhat.com>
1296 * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1297 argument. Don't drop outer ANDs.
1298 (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1299 * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1301 * config/s390/predicates.md (setmem_operand): Remove.
1302 (shift_count_operand): Rename to...
1303 (shift_count_or_setmem_operand): ... this. Adjust
1304 s390_decompose_shift_count caller.
1305 * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1306 ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1307 ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1308 <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1309 rotl<mode>3_and, setmem_long_and): New insns.
1310 (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1311 ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1312 <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1313 <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1314 of shift_count_operand.
1315 (setmem_long): Use shift_count_or_setmem_operand instead of
1318 2005-12-08 Daniel Jacobowitz <dan@codesourcery.com>
1319 Andreas Tobler <a.tobler@schweiz.ch>
1321 * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1324 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1326 * expr.c (force_operand): Use convert_to_mode for conversions.
1328 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1330 * reload.h (reg_equiv_invariant): Declare.
1331 * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1332 register also when reg_equiv_invariant[R] is set.
1334 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1335 Andreas Tobler <a.tobler@schweiz.ch>
1337 * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1339 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
1341 * tree-ssa-pre.c (bitmap_set_and): New function.
1342 (bitmap_set_and_compl): New function.
1343 (bitmap_set_empty_p): New function.
1344 (insert_extra_phis): New function.
1345 (compute_avail): Use insert_extra_phis.
1347 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
1349 * config/s390/s390.c (s390_expand_atomic): New function.
1350 Adjust comment of helper functions.
1351 * config/s390/s390-protos.h (s390_expand_atomic): Declare.
1352 * config/s390/s390.md ("ATOMIC"): New code macro.
1353 ("atomic"): Corresponding new code attribute.
1354 ("sync_lock_test_and_set[hq]i",
1355 "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1357 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
1359 * config/s390/s390.c (s390_expand_mask_and_shift,
1360 struct alignment_context, init_alignment_context,
1361 s390_expand_cs_hqi): New.
1362 * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1363 * config/s390/s390.md ("sync_compare_and_swaphi",
1364 "sync_compare_and_swapqi"): New pattern.
1366 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
1368 Fix PR tree-optimization/25291
1369 * tree-ssa-operands.c (add_call_clobber_ops): Remove
1370 redundant and crashing check.
1372 2005-12-08 Alan Modra <amodra@bigpond.net.au>
1375 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1376 tests further when !strict && reload_in_progress.
1377 (print_operand): Check that both operands of indexed address are regs.
1378 (print_operand_address): Likewise.
1379 * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1380 (INT_REG_OK_FOR_BASE_P): Correct.
1382 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1384 Preparation for PR rtl-optimization/20070 / part1
1385 * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1386 * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1387 outgoing_edges_match.
1388 (outgoing_edges_match): Use condjump_equiv_p.
1389 (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1391 * struct-equiv.c: New file.
1392 (death_notes_match_p) New function, broken out of insns_match_p.
1393 * Makefile.in (OBJS-common): Add struct-equiv.o.
1394 (struct-equiv.o): New target.
1396 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1398 * coretypes.h: Revert previous change.
1399 * config/darwin.h: Revert previous reversion.
1400 * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1402 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1404 * coretypes.h (section): Provide dummy definition for target files.
1405 * config/darwin.h: Revert previous change.
1407 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1409 * doc/sourcebuild.texi (all.build, install-normal): Remove.
1410 * configure.ac: Remove all.build and install-normal from target_list
1411 * configure: Regenerate.
1412 * Makefile.in (install): Don't depend on install-normal.
1414 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1416 * Makefile.in: Document the use of stamps.
1418 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1420 * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1421 * Makefile.in: Add code to compute some dependencies on s-gtype
1422 automatically. Remove the declaration of those dependencies.
1424 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1426 * gcc/reload.c (push_secondary_reload): Fix typo:
1427 s/insn_constraint/scratch_constraint/.
1429 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1431 * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1433 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1435 * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1436 (alpha_elf_select_rtx_section): Return the selected section rather
1437 than emitting assembly code.
1438 (alpha_write_linkage): Emit a ".link" directive directly and then
1439 set in_section to NULL.
1440 (vms_asm_out_constructor): Use switch_to_section.
1441 (vms_asm_out_destructor): Likewise.
1442 (unicosmk_output_common): Set in_section to NULL instead of calling
1443 the dummy common_section function.
1444 (unicosmk_text_section): Delete in favor of...
1445 (unicosmk_output_text_section_asm_op): ...this new function.
1446 (unicosmk_data_section): Delete in favor of...
1447 (unicosmk_output_data_section_asm_op): ...this new function.
1448 (unicosmk_init_sections): New function.
1449 (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1450 (unicosmk_output_ssib): Set in_section to NULL instead of calling
1451 the dummy ssib_section function.
1452 (unicosmk_section_buf): Delete.
1453 * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1454 (unicosmk_data_section): Delete.
1455 * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1456 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1457 (SECTION_FUNCTION_TEMPLATE): Delete.
1458 * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1459 (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1460 (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1461 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1462 (TARGET_ASM_INIT_SECTIONS): Define.
1463 * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1464 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1465 (link_section, literals_section): Delete.
1466 (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1467 set in_section to NULL.
1469 * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1470 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1471 (COMMON_SECTION): Delete.
1472 (TARGET_ASM_INIT_SECTIONS): Define.
1473 (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1474 the dummy common_section function.
1475 * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1476 * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1477 between readonly_data_section and text_section to check whether
1478 read-only data is being put in the text section.
1479 (arm_output_function_epilogue): Use switch_to_section.
1480 (arm_elf_asm_constructor): Likewise.
1481 (thumb_call_via_reg): Replace call to in_text_section with
1482 a comparison between in_section and text_section.
1483 (arm_file_end): Use switch_to_section.
1484 (aof_text_section): Delete in favor of...
1485 (aof_output_text_section_asm_op): ...this new function.
1486 (aof_data_section): Delete in favor of...
1487 (aof_output_data_section_asm_op): ...this new function.
1488 (aof_asm_init_sections): New function.
1489 (zero_init_section): Moved from config/arm/aof.h.
1490 (aof_dump_imports, aof_file_start): Use switch_to_section.
1491 * config/arm/arm.h (thumb_call_via_label): Update comment.
1492 * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1493 (common_section): Delete.
1494 * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1495 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1496 global switch_to_section function instead of the old port-local one.
1497 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1498 (SWITCH_TO_SECTION_FUNCTION): Delete.
1499 (drectve_section): Redefine as a macro.
1500 * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1501 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1504 * config/avr/avr.c (progmem_section): New variable.
1505 (avr_output_progmem_section_asm_op): New function.
1506 (avr_asm_init_sections): New function.
1507 (avr_output_addr_vec_elt): Use switch_to_section.
1508 * config/avr/avr.h (progmem_section): Declare.
1509 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1510 (READONLY_DATA_SECTION): Delete.
1511 (TARGET_ASM_INIT_SECTIONS): Define.
1512 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1513 * config/avr/avr-protos.h (progmem_section): Delete.
1515 * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1517 * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1518 (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1520 * config/darwin-sections.def: New file.
1521 * config/darwin.c: Define all sections in darwin-sections.def.
1522 (output_objc_section_asm_op, darwin_init_sections): New functions.
1523 (machopic_output_indirection): Use switch_to_section.
1524 (machopic_select_section): Return the selected section rather than
1525 emitting assembly code. Replace the static function table with
1526 inline conditional expressions. Update the tests of last_text_section
1527 and move them into the FUNCTION_DECL block.
1528 (machopic_select_rtx_section): Return the selected section rather than
1529 emitting assembly code.
1530 (machopic_asm_out_constructor, machopic_asm_out_destructor)
1531 (darwin_file_end): Use switch_to_section.
1532 * config/darwin.h: Use darwin-sections.def to declare sections.
1533 (INIT_SECTION_ASM_OP): Remove empty definition.
1534 (HAS_INIT_SECTION): Define this instead.
1535 (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1536 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1537 (TARGET_ASM_EH_FRAME_SECTION): Delete.
1538 (TARGET_ASM_INIT_SECTIONS): Define.
1539 * config/darwin-protos.h (darwin_init_sections): Declare.
1540 (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1541 (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1542 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1543 (constructor_section, destructor_section, mod_init_section): Delete.
1544 (mod_term_section): Delete.
1545 (darwin_exception_section, darwin_eh_frame_section): Delete.
1546 (machopic_select_section): Return a section.
1547 (machopic_select_rtx_section): Likewise.
1548 (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1549 (const_section, const_coal_section, const_data_section): Delete.
1550 (const_data_coal_section, data_coal_section, cstring_section): Delete.
1551 (literal4_section, literal8_section, constructor_section): Delete.
1552 (mod_init_section, mod_term_section, destructor_section): Delete.
1553 (objc_class_section, objc_meta_class_section, objc_category_section)
1554 (objc_class_vars_section, objc_instance_vars_section): Delete.
1555 (objc_cls_meth_section, objc_inst_meth_section): Delete.
1556 (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1557 (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1558 (objc_symbols_section, objc_module_info_section): Delete.
1559 (objc_image_info_section, objc_protocol_section): Delete.
1560 (objc_string_object_section, objc_constant_string_object_section)
1561 (objc_class_names_section, objc_meth_var_names_section): Delete.
1562 (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1563 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1564 (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1565 (darwin_exception_section, darwin_eh_frame_section): Delete.
1566 * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1568 * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1569 (frv_asm_out_destructor): Likewise.
1570 * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1571 (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1572 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1574 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1575 * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1576 (data_section): Delete.
1578 * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1579 (DRECTVE_SECTION_FUNCTION): Delete.
1580 (drectve_section): Redefine as a macro that sets in_section after
1581 emitting the directive.
1582 (SWITCH_TO_SECTION_FUNCTION): Delete.
1583 * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1584 in_text_section with comparison between in_section and text_section.
1585 * config/i386/i386.c (x86_64_elf_select_section): Return the section
1586 rather than emitting assembly code. Use get_named_section.
1587 (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1589 (machopic_output_stub): Use switch_to_section.
1590 * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1591 (nwld_named_section_asm_out_destructor): Use get_section and
1594 * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1595 rather than emitting assembly code.
1596 (ia64_rwreloc_select_section): Likewise.
1597 (ia64_rwreloc_select_rtx_section): Likewise.
1598 * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1599 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1601 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1602 (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1604 * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1605 section rather than emitting assembly code.
1606 (iq2000_select_section): Likewise.
1607 * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1608 (sbss_section): Delete.
1610 * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1611 and get_named_section.
1612 * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1614 * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1615 (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1616 (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1617 (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1619 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1620 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1621 global switch_to_section function instead of the old port-local one.
1622 * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1623 (SWITCH_SECTION_FUNCTION): Delete.
1624 * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1625 (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1626 (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1627 (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1629 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1630 global switch_to_section function instead of the old port-local one.
1631 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1633 * config/mips/mips.c (mips_file_start): Update comment.
1634 (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1635 (mips_output_aligned_decl_common): Use switch_to_section.
1636 (mips_select_rtx_section): Return the section rather than emitting
1637 assembly code. Use get_named_section.
1638 (mips_function_rodata_section: Likewise get_section.
1639 (build_mips16_function_stub): Use switch_to_section.
1640 * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1641 (SDATA_SECTION_ASM_OP): Delete.
1642 * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1643 (EXTRA_SECTION_FUNCTIONS): Delete.
1645 * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1646 (mmix_asm_output_aligned_local): Use switch_to_section.
1648 * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1649 (som_one_only_readonly_data_section): New variables.
1650 (pa_output_function_epilogue): Set in_section to NULL instead of
1651 calling forget_section.
1652 (output_deferred_plabels): Use select_section.
1653 (pa_asm_output_mi_thunk): Likewise. Set in_section to NULL instead
1654 of calling forget_section.
1655 (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1656 (pa_asm_output_aligned_local): Use select_section.
1657 (som_text_section_asm_op): Delete in favor of...
1658 (som_output_text_section_asm_op): ...this new function.
1659 (pa_som_asm_init_sections): New function.
1660 (pa_select_section): Return the section rather than emitting
1662 * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1663 (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1664 (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1665 (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1666 * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1667 (som_readonly_data_section, som_one_only_readonly_data_section)
1668 (som_one_only_data_section, forget_section): Delete.
1669 * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1670 (TARGET_ASM_INIT_SECTIONS): Define.
1671 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1673 * config/rs6000/rs6000.c (read_only_data_section): New variable.
1674 (private_data_section, read_only_private_data_section): New variables.
1675 (sdata2_section, toc_section): New variables.
1676 (rs6000_file_start): Use switch_to_section.
1677 (rs6000_assemble_integer): Use comparisons against in_section
1678 instead of calling in_toc_section and in_text_section. Use
1679 unlikely_text_section_p.
1680 (rs6000_elf_output_toc_section_asm_op): New function, derived
1681 from the old rs6000/sysv4.h toc_section function.
1682 (rs6000_elf_asm_init_sections): New function.
1683 (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1684 the section rather than emitting assembly code.
1685 (machopic_output_stub): Use switch_to_section.
1686 (toc_section): Delete dummy function.
1687 (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1688 switch_to_section and get_section.
1689 (rs6000_xcoff_output_readonly_section_asm_op): New function.
1690 (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1691 (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1692 the old rs6000/xcoff.h toc_section function.
1693 (rs6000_xcoff_asm_init_sections): New function.
1694 (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1695 the section rather than emitting assembly code.
1696 (rs6000_xcoff_file_start): Use switch_to_section.
1697 (rs6000_xcoff_file_end): Likewise.
1698 * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1699 (sdata2_section, sbss_section, private_data_section): Delete.
1700 (read_only_data_section, read_only_private_data_section): Delete.
1701 * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1702 (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1703 (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1704 (FINI_SECTION_FUNCTION): Delete.
1705 (TARGET_ASM_INIT_SECTIONS): Define.
1706 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1707 * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1708 (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1709 (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1710 (READONLY_DATA_SECTION): Delete.
1711 (TARGET_ASM_INIT_SECTIONS): Define.
1712 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. Set in_section
1713 to NULL rather than no_section.
1714 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1716 * config/sh/sh.c (sh_file_start): Use switch_to_section.
1718 * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1719 (sparc_output_deferred_case_vectors): Likewise. Remove argument
1720 from call to current_function_section.
1722 * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1723 (bss100_section): New variable.
1724 (xstormy16_asm_output_aligned_common): Use switch_to_section.
1725 (xstormy16_asm_init_sections): New function.
1726 (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1727 switch_to_section and get_section.
1728 (xstormy16_output_addr_vec): Use switch_to_section. Remove argument
1729 from calls to current_function_section.
1730 * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1731 (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1732 (TARGET_ASM_INIT_SECTIONS): Define.
1733 * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1735 * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1736 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1737 (FINI_SECTION_FUNCTION): Delete.
1739 * config/v850/v850.c: Include gt-v850.h.
1740 (rosdata_section, rozdata_section, tdata_section, zdata_section)
1741 (zbss_section): New variables.
1742 (v850_output_aligned_bss): Use switch_to_section.
1743 (v850_asm_init_sections): New function.
1744 (v850_select_section): Return the section rather than emitting
1746 * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1747 (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1748 (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1749 (TARGET_ASM_INIT_SECTIONS): Define.
1750 * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1751 (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1752 (zbss_section): Delete.
1754 * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1756 * config/vx-common.h (vxworks_exception_section): Delete.
1757 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1759 * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1760 section rather than emitting assembly code.
1761 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1764 * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1765 * coretypes.h (section): New union and typedef.
1766 * dbxout.c (FORCE_TEXT): Use switch_to_section. Remove argument
1767 from call to current_function_section.
1768 (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1769 (dbxout_symbol_location): Use switch_to_section.
1770 * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1771 most of the code into...
1772 (default_eh_frame_section): ...here. Return a section.
1773 (collect2_eh_frame_section): Delete, moving most of the code into..
1774 (switch_to_eh_frame_section): ...this new function.
1775 (debug_info_section, debug_abbrev_section, debug_aranges_section)
1776 (debug_macinfo_section, debug_line_section, debug_loc_section)
1777 (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1779 (output_call_frame_info): Call switch_to_eh_frame_section instead of
1780 eh_frame_section. Use switch_to_section and get_section.
1781 (dwarf2out_begin_prologue): Use switch_to_section.
1782 (AT_string_form): Check the flags in debug_str_section instead of
1783 DEBUG_STR_SECTION_FLAGS.
1784 (output_comp_unit): Use switch_to_section, get_section, and
1786 (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1787 (dwarf2out_begin_block): Use switch_to_section. Remove argument
1788 from call to current_function_section.
1789 (dwarf2out_var_location): Use unlikely_text_section_p.
1790 (dwarf2out_source_line): Use switch_to_section. Remove argument
1791 from call to current_function_section.
1792 (dwarf2out_start_source_file, dwarf2out_end_source_file)
1793 (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1794 debug_macinfo_section.
1795 (dwarf2out_init): Initialize the new section variables. Use them
1796 instead of calls to named_section_flags. Use switch_to_section.
1797 (output_indirect_string): Use switch_to_section and debug_str_section.
1798 (dwarf2out_finish): Use switch_to_section and the new section
1800 * except.c (default_exception_section): Return the section instead
1801 of emitting assembly code.
1802 (output_function_exception_table): Use the global exception_section
1803 variable instead of the target hook. Use switch_to_section. Remove
1804 argument from call to current_function_section.
1805 * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1806 (shorten_branches): Use pointer comparisons to detect whether the
1807 text section is the same as readonly_data_section.
1808 (profile_function): Use switch_to_section. Remove argument from
1809 call to current_function_section.
1810 (final_scan_insn): Likewise. Update use of last_text_section.
1811 * gengtype.c (open_base_files): Add an include of output.h.
1812 * output.h (text_section, data_section, readonly_data_section)
1813 (ctors_section, dtors_section, bss_section, init_section)
1814 (fini_section, sdata_section): Turn into section pointers.
1815 (in_text_section, in_unlikely_text_section, exports_section)
1816 (drectve_section, named_section, mergeable_string_section)
1817 (last_text_section_name): Delete.
1818 (default_exception_section, default_eh_frame_section): Return sections.
1819 (SECTION_DECLARED, SECTION_NAMED): New macros.
1820 (SECTION_MACH_DEP): Bump value.
1821 (section_common, named_section, unnamed_section): New structures.
1822 (unnamed_section_callback): New typedef.
1823 (section): New union.
1824 (sbss_section, exception_section, eh_frame_section): New variables.
1825 (in_section, last_text_section): Turn into section pointers.
1826 (get_unnamed_section, get_section, get_named_section): New functions.
1827 (mergeable_constant_section, function_section): Return a section.
1828 (unlikely_text_section): Likewise.
1829 (current_function_section): Likewise. Remove the decl argument.
1830 (unlikely_text_section_p, switch_to_section): New functions.
1831 (output_section_asm_op): New function.
1832 (set_named_section_flags, named_section_flags, named_section_real)
1833 (named_section_first_declaration): Delete.
1834 (default_select_section, default_elf_select_section): Return a section.
1835 (default_elf_select_section_1, default_function_rodata_section)
1836 (default_no_function_rodata_section, default_select_rtx_section)
1837 (default_elf_select_rtx_section): Likewise.
1838 * rtl.h (in_data_section): Delete.
1839 * sdbout.c (sdbout_one_type): Use switch_to_section.
1840 * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1841 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1842 (TARGET_ASM_EH_FRAME_SECTION): Poison.
1843 * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1844 (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1845 (TARGET_ASM_OUT): Update after above changes.
1846 * target.h (init_sections): New hook.
1847 (exception_section, eh_frame_section): Delete.
1848 (select_section, select_rtx_section, function_rodata_section): Return
1849 a section rather than emitting assembly code.
1850 * varasm.c (text_section, data_section, readonly_data_section)
1851 (ctors_section, dtors_section, bss_section, init_section)
1852 (fini_section): Turn into section pointers.
1853 (sdata_section, sbss_section, exception_section): New variables.
1854 (eh_frame_section): New variable.
1855 (in_section): Make global and turn into a section pointer.
1856 (last_text_section): Turn into a section pointer.
1857 (unnamed_sections): New variable.
1858 (in_named_name, last_text_section_name): Delete.
1859 (EXTRA_SECTION_FUNCTIONS): Delete.
1860 (in_named_entry): Delete.
1861 (section_htab): New variable, replacing...
1862 (in_named_htab): ...this deleted variable.
1863 (section_entry_eq, section_entry_hash): New functions, based on...
1864 (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1865 (get_unnamed_section, get_section): New functions.
1866 (unlikely_text_section): Return a section instead of emitting
1868 (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1869 (get_named_section_flags, named_section_first_declaration): Delete.
1870 (unlikely_text_section_p): New function.
1871 (named_section_real, named_section): Delete.
1872 (get_named_section): New function.
1873 (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1874 (function_section): Return a section rather than emitting
1876 (current_function_section): Likewise. Remove argument. Use
1877 last_text_section if nonnull, otherwise use function_section.
1878 (default_function_rodata_section): Return a section rather than
1879 emitting assembly code. Use get_section.
1880 (default_no_function_rodata_section): Return a section rather than
1881 emitting assembly code.
1882 (variable_section): Use switch_to_section and get_named_section.
1883 (mergeable_string_section): Return a section rather than emitting
1884 assembly code. Use get_section. Make static. Don't take special
1885 countermeasures for empty strings.
1886 (mergeable_constant_section): Return a section rather than emitting
1887 assembly code. Use get_section.
1888 (default_named_section_asm_out_destructor): Use switch_to_section
1890 (default_dtor_section_asm_out_destructor): Use switch_to_section.
1891 (default_named_section_asm_out_constructor): Use switch_to_section
1893 (default_ctor_section_asm_out_constructor): Use switch_to_section.
1894 (assemble_start_function): Likewise. Set last_text_section to
1895 NULL rather than no_section. Change the type of save_section.
1896 (assemble_zeros, assemble_variable): Use the section flags to detect
1897 whether or not a section is text.
1898 (assemble_static_space): Use switch_to_section.
1899 (assemble_trampoline_template): Likewise.
1900 (output_constant_def_contents): Use switch_to_section and
1902 (output_constant_pool_1): Use switch_to_section. Use the section
1903 flags to see whether sections contain mergeable data.
1904 (init_varasm_once): Initialize section_htab instead of in_named_htab.
1905 Initialize new section variables. Call TARGET_ASM_INIT_SECTIONS.
1906 (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1907 whether a section has already been declared.
1908 (default_select_section, default_elf_select_section): Return a
1909 section rather than emitting assembly code.
1910 (default_elf_select_section_1): Likewise. Use bss_section for
1911 SECCAT_BSS if nonnull. Use get_named_section.
1912 (default_select_rtx_section): Return a section rather than
1913 emitting assembly code.
1914 (default_elf_select_rtx_section): Likewise. Use get_named_section.
1915 (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1916 (output_section_asm_op, switch_to_section): New functions.
1917 * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1920 * doc/tm.texi: Expand the introduction to the sections documentation.
1921 (TRAMPOLINE_SECTION): Document new interface.
1922 (SDATA_SECTION_ASM_OP): Document new macro.
1923 (READONLY_DATA_SECTION): Delete.
1924 (SDATA_SECTION_ASM_OP): Document new macro.
1925 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1926 (TARGET_ASM_INIT_SECTIONS): Document new hook.
1927 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1928 (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1929 (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1931 2005-12-07 Alan Modra <amodra@bigpond.net.au>
1933 * gcc.c (init_gcc_specs): Match braces inside conditionally
1936 2005-12-06 Geoffrey Keating <geoffk@apple.com>
1938 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1940 2005-12-06 Aldy Hernandez <aldyh@redhat.com>
1943 * tree.c (integer_all_onesp): Always return true if all bits on.
1945 * testsuite/g++.dg/init/array0.C: New.
1947 2005-12-06 Adrian Straetling <straetling@de.ibm.com>
1949 * doc/md.texi: Adapt to implementation.
1951 2005-12-06 Andreas Schwab <schwab@suse.de>
1953 * opts.c (decode_options): Fix typo in message.
1955 2005-12-06 Alan Modra <amodra@bigpond.net.au>
1958 * longlong.h: Merge PPC tests from upstream.
1960 2005-12-06 Richard Guenther <rguenther@suse.de>
1962 * fold-const.c (fold_convert): Do not build and fold
1963 CONVERT_EXPR, but always use NOP_EXPR.
1965 2005-12-06 Jan Beulich <jbeulich@novell.com>
1967 * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1968 __builtin_ia32_paddq and __builtin_ia32_subq.
1969 (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1970 __builtin_ia32_pshufw.
1971 * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1973 2005-12-05 James E Wilson <wilson@specifix.com>
1976 * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1979 2005-12-05 Daniel Berlin <dberlin@dberlin.org>
1981 * print-tree.c (print_node): Ditto.
1982 * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1983 * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1984 before accessing DECL_ARTIFICIAL.
1985 Handle new tag tree codes.
1986 * tree-flow-inline.h (clear_call_clobbered): Update for tag
1988 (unmodifiable_var_p): Ditto.
1989 * tree-flow.h (mem_tag_kind): Remove.
1990 (struct var_ann_d): Remove mem_tag_kind member.
1991 * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1992 * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1993 * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1994 (group_aliases): Ditto.
1995 (setup_pointers_and_addressables): Ditto.
1996 (is_escape_site): Ditto.
1997 (may_alias_p): Ditto.
1998 (create_tag_raw): New function.
1999 (create_memory_tag): Use it.
2000 (dump_alias_info): Update for tags.
2001 (may_be_aliased): Ditto.
2002 (add_type_alias): Ditto.
2003 (new_type_alias): Ditto.
2004 (create_sft): Ditto.
2005 (create_structure_vars): Ditto.
2006 * tree-ssa-ccp.c (get_default_value): Ditto.
2007 * tree-ssa-operands.c (get_expr_operands): Ditto.
2008 (add_stmt_operand): Ditto.
2009 (add_call_clobber_ops): Remove duplicated condition.
2010 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2012 * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
2013 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2014 * tree.c (init_ttree): Update structures for new tree codes.
2015 (tree_code_size): Update sizes for new tree codes.
2016 (make_node_stat): Don't try to set common things on minimal
2018 (tree_node_structure): Update for tags.
2019 (is_global_var): Ditto.
2020 * tree.def: Add new tree codes.
2021 * tree.h (MTAG_P): New macro.
2022 (TREE_MEMORY_TAG_CHECK): Ditto.
2023 (SSA_VAR_P): Update for tags.
2024 (struct tree_memory_tag): New structure.
2025 (MTAG_GLOBAL): New macro.
2026 (union tree_node): Add memory tag member.
2027 * treestruct.def (TS_MEMORY_TAG): New.
2029 2005-12-05 Dale Johannesen <dalej@apple.com>
2031 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match
2032 what was approved (PR 24323).
2034 2005-12-05 Gabriel Dos Reis <gdr@integrable-solutions.net>
2036 * doc/c-tree.texi (Function Bodies): Remove description of
2039 2005-12-05 Joseph S. Myers <joseph@codesourcery.com>
2041 * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
2042 __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
2043 __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
2044 __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
2045 __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
2046 __divxc3): Document.
2048 2005-12-05 Geoffrey Keating <geoffk@apple.com>
2050 * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
2052 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
2053 hook_bool_void_false.
2054 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2055 * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
2057 * config/darwin.c (machopic_select_section): It's not defined
2058 as weak if it's only marked as weak_import.
2060 * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
2063 * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
2064 A hidden weak object does bind locally. Strong linkonce data
2065 counts like any other strong symbol for binding.
2066 (weak_finish_1): Don't specially handle weakrefs, they no longer
2068 (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
2069 * c-common.c (handle_alias_attribute): Allow static aliases
2071 (handle_weakref_attribute): Don't call declare_weak on weakrefs.
2072 * gthr-dce.h: Make weakrefs static.
2073 * gthr-tpf.h: Likewise.
2074 * gthr-solaris.h: Likewise.
2075 * gthr-posix.h: Likewise.
2076 * gthr-posix95.h: Likewise.
2077 * config/darwin.c (darwin_encode_section_info): static weakref
2078 variables are not necessarily defined in this translation unit.
2079 * doc/extend.texi (Function Attributes): Mention that an alias
2080 attribute creates a definition for the thing it's attached to.
2081 Change the documentation for weakref to say that the thing
2082 it's attached to must be static.
2084 * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
2085 we don't go into an infinite loop.
2087 2005-12-05 Paolo Bonzini <bonzini@gnu.org>
2089 * config/rs6000/predicates.md (logical_const_operand): Split
2090 out of logical_operand.
2091 (logical_operand): Use it.
2092 * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
2093 logical_const_operand.
2095 2005-12-05 Jan Beulich <jbeulich@novell.com>
2097 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
2098 and IX86_BUILTIN_CMPNESS.
2099 (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
2100 * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
2101 * config/i386/i386.md (movti_internal): Correct type attribute.
2102 Simplify mode attribute.
2103 (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
2104 Correct type attribute.
2105 (absxf2): Correct operator.
2106 * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
2107 movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
2108 * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
2110 (sse2_vmsqrtv2df2): Correct mode attribute.
2112 2005-12-05 Jan Beulich <jbeulich@novell.com>
2114 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
2115 16 bits. Provide insn pattern for this case.
2117 2005-12-05 Jan Beulich <jbeulich@novell.com>
2119 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
2121 (__popcountDI2): Likewise.
2123 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2126 * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
2127 _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
2128 * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
2131 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
2133 * c-typeck.c (null_pointer_constant_p): New function.
2134 (build_conditional_expr, build_c_cast, convert_for_assignment,
2135 build_binary_op): Use it.
2137 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
2139 * c-common.c (binary_op_error): Do not allow NOP_EXPR.
2140 (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
2142 (check_function_arguments_recurse): Allow both NOP_EXPR and
2143 CONVERT_EXPR but check conversions preserve precision.
2144 * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
2145 but check conversions preserve precision.
2146 (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in
2149 2005-12-04 Roger Sayle <roger@eyesopen.com>
2152 * common.opt (Wstring-literal-comparison): New command line option.
2153 * c-opts.c (c_common_handle_option): Set it with -Wall.
2154 * c-typeck.c (parser_build_binary_op): Issue warning if either
2155 operand of a comparison operator is a string literal, except for
2156 testing equality or inequality against NULL.
2158 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
2160 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
2162 * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
2163 of building a NOP_EXPR.
2164 (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as
2166 * c-convert.c (convert): Use fold_convert instead of building
2167 NOP_EXPRs and CONVERT_EXPRs directly. Don't special case
2168 c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove
2170 * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
2171 NOP_EXPR the same as CONVERT_EXPR.
2172 * c-typeck.c (build_function_call): Use fold_convert instead of
2173 building a NOP_EXPR directly.
2174 (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
2176 2005-12-03 Alan Modra <amodra@bigpond.net.au>
2178 PR rtl-optimization/25197
2179 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
2182 2005-12-02 Stuart Hastings <stuart@apple.com>
2184 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
2187 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
2189 * c-typeck.c (default_function_array_conversion,
2190 build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
2191 (build_conditional_expr): Apply integer_zerop to orig_op1 and
2192 orig_op2. Don't check them for NOP_EXPR.
2193 (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
2194 around integer zero.
2196 2005-12-03 Alan Modra <amodra@bigpond.net.au>
2198 * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
2199 toc_save_offset, toc_size, lr_size.
2200 (rs6000_stack_info): Use memset rather than bss struct copy to init.
2201 Test rs6000_ra_ever_killed last in condition setting lr_save_p.
2202 Adjust for removal of unused rs6000_stack_t fields.
2203 (debug_stack_info): Adjust.
2204 (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls
2205 first, and don't bother checking for set/inc of lr on sibcalls.
2206 (rs6000_emit_epilogue): Tidy code restoring stack pointer.
2208 2005-12-02 Jakub Jelinek <jakub@redhat.com>
2211 * config/i386/i386.md (movqi_1): Only force imovx for alternative
2212 5 if operand 1 is not aligned. Undo previous constraint change.
2213 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
2215 2005-12-02 Richard Guenther <rguenther@suse.de>
2217 * tree.h (build): Remove prototype.
2218 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
2219 * tree.c (build): Remove.
2220 (build0_stat): Update comment.
2222 2005-12-02 Richard Guenther <rguenther@suse.de>
2224 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
2225 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
2227 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
2228 maybe_fold_offset_to_component_ref): Likewise.
2229 * tree-ssa-dom.c (thread_across_edge,
2230 simplify_rhs_and_lookup_avail_expr,
2231 find_equivalent_equality_comparison, record_equivalences_from_stmt):
2233 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
2234 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
2235 lower_try_finally_switch): Likewise.
2236 * tree-if-conv.c (add_to_dst_predicate_list,
2237 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2238 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2239 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2240 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2241 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2242 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2243 gimplify_init_ctor_eval, gimplify_init_constructor,
2244 gimplify_variable_sized_compare, gimplify_boolean_expr,
2245 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2246 gimplify_expr, gimplify_body, gimplify_function_tree,
2247 force_gimple_operand): Likewise.
2248 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2249 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2250 mx_register_decls): Likewise.
2251 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2252 get_frame_field, finalize_nesting_tree_1): Likewise.
2253 * tree-inline.c (setup_one_parameter): Likewise.
2254 * tree-vect-transform.c (vectorizable_condition): Likewise.
2255 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2257 * tree-profile.c (tree_gen_edge_profiler): Likewise.
2258 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2259 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2260 * tree-chrec.h (build_polynomial_chrec): Likewise.
2262 2005-12-02 Richard Guenther <rguenther@suse.de>
2264 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2265 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2266 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2267 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2268 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2269 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2270 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2272 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2273 sh_adjust_unroll_max): Likewise.
2274 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2275 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2276 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2278 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2280 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2283 2005-12-02 Richard Guenther <rguenther@suse.de>
2285 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2286 simplify_cond_using_ranges): Use buildN instead of build.
2287 * tree-tailcall.c (adjust_accumulator_values,
2288 adjust_return_value): Likewise.
2289 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
2290 generate_element_copy, generate_element_zero,
2291 generate_one_element_init): Likewise.
2292 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2293 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2294 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2295 perfect_nestify): Likewise.
2297 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2299 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
2301 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
2303 * ggc.h (GGC_RESIZEVEC): New.
2305 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2307 * gcc.c (execute): Improve readability.
2309 2005-12-02 Richard Guenther <rguenther@suse.de>
2311 * tree-cfg.c (mark_used_vars): New function.
2312 (dump_function_to_file): Dump only used VAR_DECLs.
2314 2005-12-02 Richard Guenther <rguenther@suse.de>
2316 * convert.c (convert_to_integer): Fix compare for nonpositive
2317 constant to use tree_int_cst_sgn <= 0.
2319 2005-12-02 Richard Guenther <rguenther@suse.de>
2321 * convert.c (convert_to_integer): Use fold_convert instead
2322 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
2323 instead of comparing against 0. Use build_int_cst instead
2324 of converting integer_zero_node.
2326 2005-12-02 Richard Guenther <rguenther@suse.de>
2328 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2331 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2334 * combine.c (simplify_logical <IOR>): Simplify more patterns to
2337 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2340 * function.c (expand_function_end): Emit blockage for unwinder
2343 2005-12-01 Roger Sayle <roger@eyesopen.com>
2345 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2346 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2347 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2348 integer constant comparisons.
2350 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
2351 Janis Johnson <janis187@us.ibm.com>
2352 David Edelsohn <dje@watson.ibm.com>
2353 Ben Elliston <bje@au.ibm.com>
2355 * dfp.h, dfp.c: New files.
2356 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2357 (DECNUM_H): Likewise.
2358 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2359 (INCLUDES): Append $(DECNUMINC).
2360 (OBJS-common): Add dfp.o.
2362 * real.h (EXP_BITS): Pinch one bit to ..
2363 (struct real_value): Add decimal field.
2364 (real_format): Change table size, update documentation.
2365 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
2366 (real_from_string3): Declare.
2367 (decimal_single_format): Declare.
2368 (decimal_double_format): Declare.
2369 (decimal_quad_format): Declare.
2370 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
2371 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
2372 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
2373 * real.c: Include dfp.h.
2374 (normalize): Early return for decimal floats.
2375 (do_add): Zero decimal field.
2376 (do_compare): Call do_decimal_compare for decimal floats.
2377 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2378 (real_arithmetic): Call decimal_real_arithmetic for decimal
2379 floating point operands.
2380 (real_identical): If a and b are of differing radix, return false.
2381 (real_to_integer): Call decimal_real_to_integer if the value is a
2383 (real_to_integer2): Likewise, call decimal_real_to_integer2.
2384 (real_to_decimal): Likewise, call decimal_real_to_decimal.
2385 (real_to_hexadecimal): Place "N/A" in the return string for
2387 (real_from_string3): New variant, given a mode.
2388 (real_maxval): Use decimal_real_maxval for decimal floats.
2389 (round_for_format): Use decimal_round_for_format for decimals.
2390 (real_convert): Use decimal_real_convert where appropriate.
2391 (significand_size): Handle base 10.
2392 (encode_decimal_single, decode_decimal_single,
2393 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2394 decode_decimal_quad): New functions.
2395 (decimal_single_format): New.
2396 (decimal_double_format): New.
2397 (decimal_quad_format): New.
2398 * machmode.def: Add SD, DD and TD decimal floating point modes.
2399 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2400 Include MODE_DECIMAL_FLOAT.
2401 (DECIMAL_FLOAT_MODE_P): New.
2402 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2403 * genmodes.c (struct mode_data): Add counter field.
2404 (struct mode_data): Update comment for format.
2405 (blank_mode): Initialise counter field.
2406 (new_mode): Increment counter field for each mode defined.
2407 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2409 (make_complex_modes): Handle modes containing `D'.
2410 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2411 (make_decimal_float_mode): New.
2412 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2413 (cmp_modes): Compare counter field if other characteristics
2415 (emit_real_format_for_mode): Support formats for decimal floats.
2416 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2417 Document MODE_DECIMAL_FLOAT.
2419 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2421 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2424 2005-12-01 Richard Henderson <rth@redhat.com>
2426 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2428 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2430 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2432 * config/pa/pa.c (pa_init_builtins): If we detect
2433 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2436 2005-12-01 Richard Guenther <rguenther@suse.de>
2438 * fold-const.c (fold_binary): Use fold_build2, not
2441 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
2443 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2445 * vec.h (VEC_block_remove): New.
2447 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
2450 * c-common.c (lvalue_error): Fix wording.
2452 2005-12-01 Richard Guenther <rguenther@suse.de>
2454 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2455 thinko in last patch.
2457 2005-12-01 Geoffrey Keating <geoffk@apple.com>
2459 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2460 than -flat_namespace.
2462 2005-12-01 Ben Elliston <bje@au.ibm.com>
2464 * mklibgcc.in: Parameterise the script to build soft float
2465 functions by iterating over each type, rather than cloning the
2468 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2471 * builtins.c (fold_builtin_fputs): Defer check for missing
2472 replacement functions.
2474 2005-11-30 Kean Johnston <jkj@sco.com>
2476 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2477 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2479 2005-11-30 Richard Guenther <rguenther@suse.de>
2481 PR tree-optimization/22501
2482 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2483 function split out from ...
2484 (forward_propagate_addr_expr): ... here. Use it to propagate
2485 ADDR_EXPRs to all uses.
2487 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2489 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2490 * builtins.c (expand_builtin_mathfn): Use them.
2491 (expand_builtin_mathfn_2): Likewise.
2492 (expand_builtin_mathfn_3): Likewise.
2493 (expand_builtin_int_roundingfn): Likewise.
2494 (expand_builtin): Likewise.
2495 (integer_valued_real_p): Likewise.
2496 (fold_builtin_int_roundingfn): Likewise.
2497 (fold_builtin_bitop): Likewise.
2498 (fold_builtin_logarithm): Likewise.
2499 (fold_builtin_1): Likewise.
2500 * convert.c (convert_to_integer): Likewise.
2501 * fold-const.c (negate_mathfn_p): Likewise.
2502 (tree_expr_nonnegative_p): Likewise.
2504 2005-11-30 Dale Johannesen <dalej@apple.com>
2505 Andrew Pinski <pinskia@physics.uc.edu>
2507 * combine.c (find_split_point): Sign extend bitmask
2508 when changing bitfield assignment to IOR of AND.
2510 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2512 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2513 clobber to scratch reg.
2514 (*decrement_and_branch_until_zero_no_clobber): Remove.
2515 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2516 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2517 * config/ms1/ms1.opt (mmul): Remove.
2518 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2519 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2521 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2522 Bernd Schmidt <bernd.schmidt@analog.com>
2524 * pa/predicates.md (symbolic_operand): Add comment.
2525 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2526 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2527 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2528 (pa_secondary_reload_class): Delete.
2529 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2530 and pa_secondary_reload_class. Reorder some checks. Update inline
2531 copy of symbolic operand.
2532 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2534 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2536 * loop-doloop.c (add_test): Only add jump notes if we did emit a
2539 2005-11-30 Jeff Law <law@redhat.com>
2541 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2542 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2544 2005-11-30 Jakub Jelinek <jakub@redhat.com>
2546 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2547 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2548 (ia64_expand_move): Adjust caller.
2550 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2551 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2554 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
2556 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2557 Always produce an output if we can remove NEGs or canonicalize
2558 (minus (minus ...)) expressions. Provide a fast path for the
2560 (simplify_gen_binary): Do not call simplify_plus_minus.
2561 (simplify_binary_operation_1): Reassociate at the end of the
2564 2005-11-29 Evan Cheng <evan.cheng@apple.com>
2566 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2567 moves and unpack to speed up.
2569 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
2571 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2572 argument, they are always sparc_compare_op0 and sparc_compare_op1.
2573 (gen_v9_scc): Update callers.
2574 * config/sparc/sparc.md: Likewise.
2575 * config/sparc/sparc-protos.h: Update extern declaration.
2577 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2579 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2581 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2584 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2586 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2587 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2588 (negate_expr): Here.
2590 2005-11-29 Ben Elliston <bje@au.ibm.com>
2592 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2593 Fix typo in comment.
2595 2005-11-29 Ben Elliston <bje@au.ibm.com>
2597 * Makefile.in (clean-target): Depend on clean-target-libgcc.
2598 (clean-target-libgcc): Import rule from the top-level Makefile.in.
2600 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2604 * builtins.c (init_target_chars): New.
2605 (expand_builtin_printf, expand_builtin_fprintf,
2606 expand_builtin_sprintf, fold_builtin_sprintf,
2607 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2608 fold_builtin_snprintf_chk, fold_builtin_printf,
2609 fold_builtin_fprintf): Check for matching format strings using
2612 2005-11-29 Paul Brook <paul@codesourcery.com>
2614 * config.gcc: Do not use fixproto on m68k-elf.
2616 2005-11-28 Roger Sayle <roger@eyesopen.com>
2618 * expmed.c (div_cost): Replace with...
2619 (sdiv_cost, udiv_cost): New.
2620 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2621 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2622 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2623 (expand_divmod): Replace use of div_cost with either sdiv_cost
2624 or udiv_cost depending upon the signedness of the operation.
2626 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2629 * config/darwin.c (machopic_indirection_name,
2630 machopic_output_indirection): Follow transparent alias chain.
2632 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2634 * varasm.c (ultimate_transparent_alias_target): Add comment.
2636 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
2638 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2639 SET_SRC instead of XEXP where appropriate.
2641 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2643 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2646 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2648 * config/fp-bit.h (LSHIFT): Take shift count parameter.
2649 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2652 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
2654 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2655 secondary_input_reload_class, made static. Adapt to new
2657 (secondary_output_reload_class): Delete.
2658 (TARGET_SECONDARY_RELOAD): New macro.
2659 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2660 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2662 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
2665 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
2666 when its natural alignment is > BITS_PER_UNIT.
2667 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2668 * c-common.c (handle_packed_attribute): Ignore packing on a field
2669 whose type is naturally char aligned.
2671 2005-11-28 Richard Guenther <rguenther@suse.de>
2673 * c-common.c (strict_aliasing_warning): Handle all
2674 component-ref like accesses.
2676 2005-11-28 Roger Sayle <roger@eyesopen.com>
2677 Uros Bizjak <uros@kss-loka.si>
2680 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2681 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2682 when flag_unsafe_math_optimizations is set and
2683 we don't care about NaNs or Infinities.
2685 Move x/expN(y) and x/pow(y,z) transformation into common
2686 flag_unsafe_math_optimizations section.
2688 2005-11-27 Mark Mitchell <mark@codesourcery.com>
2690 * gcc.c (main): Change type of argv to "char **".
2692 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2694 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2695 small data sections.
2696 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2697 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2698 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2699 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
2700 output locals to sbss if !rs6000_elf_in_small_data_p.
2701 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2703 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2706 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2707 generated by reload.
2708 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2709 indexed_or_indirect_address.
2710 (indexed_or_indirect_address): Don't test for base reg. Call
2711 address_operand last. Make it a special predicate.
2713 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
2715 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2717 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
2720 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2722 (negate_expr): Likewise.
2724 2005-11-27 Andreas Schwab <schwab@suse.de>
2726 * config/m68k/m68k.c: Reindent and fix whitespace, remove
2729 2005-11-27 Steven Bosscher <stevenb@suse.de>
2731 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2732 has EH predecessor edges.
2734 2005-11-26 Eric Christopher <echristo@apple.com>
2736 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2737 register stalls by zero extending to the full register.
2739 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
2741 * config/floatunsisf.c, config/floatunsidf.c,
2742 config/floatunsixf.c, config/floatunsitf.c: New files.
2743 * config/ia64/t-hpux: Add floatunsitf.c.
2744 * config/ia64/ia64.c (ia64_init_libfuncs): Use
2745 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2747 2005-11-26 Richard Henderson <rth@redhat.com>
2749 * c-lex.c (pragma_lex): Rename from c_lex.
2750 * c-pch.c: Update for pragma_lex rename.
2751 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2752 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2753 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2754 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2755 * doc/tm.texi: Likewise.
2757 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
2760 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2761 when overflow is undefined.
2763 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
2765 * doc/md.texi (Insn Canonicalizations): Refer to the
2766 function commutative_operand_precedence for further rules.
2768 2005-11-25 Roger Sayle <roger@eyesopen.com>
2771 * expmed.c (choose_mult_variant): Return immediately when mult_cost
2772 is less than zero. Limit mult_cost to a reasonable upper bound for
2773 the synthetic multiplication sequence.
2775 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2778 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2779 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2780 Lookup the explicit replacement functions for any unlocked
2781 stdio builtin transformations.
2783 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
2785 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2787 * targhooks.c (default_secondary_reload): Don't require operand 2
2788 for an input reload to be earlyclobber.
2790 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2792 * fold-const.c (negate_mathfn_p): Fix comment and add support
2793 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2796 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2799 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2800 _Q_ulltoq for unsigned conversions from SImode and DImode to
2803 2005-11-25 Alan Modra <amodra@bigpond.net.au>
2805 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2806 (__floatundidf, __floatundisf): Likewise.
2808 2005-11-25 David Edelsohn <edelsohn@gnu.org>
2810 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2811 (rs6000_override_options): Remove initialization of
2812 rs6000_sr_alias_set.
2813 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2814 (rs6000_emit_stack_tie): Same.
2815 (emit_frame_save): Same.
2816 (gen_frame_mem_offset): Same.
2817 (rs6000_emit_prologue): Same.
2818 (rs6000_emit_epilogue): Same.
2820 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2823 * fold-const.c (fold_build): Convert bool_var != 1 and
2824 bool_var == 0 to !bool_var.
2826 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2829 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2830 for C being INTEGER_CST. Likewise for !=.
2832 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2835 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2836 unsigned conversions from SImode to TFmode.
2838 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
2840 * expr.c (expand_expr_real_1): Fix error in last change.
2842 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
2844 * caller-save.c: (this_insn_sets): Move into:
2845 (save_call_clobbered_regs).
2846 (mark_set_regs): Get this_insn_sets from data.
2848 (save_call_clobbered_regs): Take sets of the return value by
2849 sibcalls into account.
2851 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
2854 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2855 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2856 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2857 (memory_move_secondary_cost, init_reg_autoinc): Remove
2858 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2859 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2860 secondary_reload_class call.
2861 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
2863 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2864 (push_secondary_reload): Use secondary_reload target hook.
2865 (secondary_reload_class, scratch_reload_class): New functions.
2866 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2867 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
2868 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2869 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2870 (secondary_reload_class, scratch_reload_class): Declare.
2871 * reload1.c: Include target.h.
2872 (reload_adjust_reg_for_temp): New function.
2873 (reload_adjust_reg_for_icode): Likewise.
2874 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2875 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2877 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
2878 for inheritance. Support case when both secondary & tertiary reloads
2879 are for intermediate registers.
2880 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2881 with secondary_reload_class call. Support case when both secondary
2882 & tertiary reloads are for intermediate registers.
2883 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2884 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2885 * target.h (secondary_reload_info): New struct / typedef.
2886 (struct gcc_target): New member secondary_reload.
2887 * targhooks.c Include reload.h, optabs.h and recog.h.
2888 (default_secondary_reload): New function.
2889 * targhooks.h (default_secondary_reload): Declare.
2890 * doc/tm.texi: Document secondary_reload target hook. Update
2891 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2892 * doc/md.texi: Likewise.
2894 * sh-protos.h (sh_secondary_reload): Declare.
2895 * sh.c (TARGET_SECONDARY_RELOAD): Override.
2896 (sh_secondary_reload): New function.
2897 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2898 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2899 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2900 (HAVE_SECONDARY_RELOADS): Define.
2901 * sh.md (reload_indf): Rename to:
2903 (reload_outdf): Rename to:
2904 (reload_outdf__RnFRm).
2905 (reload_insf): Rename to:
2907 (reload_insi): Rename to:
2908 (reload_insi__i_fpul).
2910 2005-11-24 Uros Bizjak <uros@kss-loka.si>
2912 * configure.ac: Require at least texinfo 4.4.
2913 * configure: Regenerate.
2915 * doc/install.texi (Tools/packages necessary for building GCC):
2916 Update required version of texinfo to at least 4.4.
2917 (Installing GCC: Building): Update required version of texinfo
2919 (Installing GCC: Final installation): Update required version
2920 of texi2dvi to at least 4.4.
2921 (Host/target specific installation notes for GCC): Update required
2922 version of texinfo to at least 4.4.
2924 2005-11-24 Richard Guenther <rguenther@suse.de>
2925 Dirk Mueller <dmueller@suse.de>
2928 * c-common.h (strict_aliasing_warning): Declare.
2929 * c-common.c (strict_aliasing_warning): New function,
2931 * c-typeck.c (build_c_cast): ... here.
2933 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
2935 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2937 (swap_commutative_operands_with_target): New.
2939 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
2941 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2942 also when doing PRE, rather than only for global CPROP.
2944 2005-11-24 Ben Elliston <bje@au.ibm.com>
2946 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2947 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2949 (expand_twoval_unop): Likewise.
2950 (widen_clz): Likewise.
2951 (expand_parity): Likewise.
2952 (expand_unop): Likewise.
2953 (emit_cmp_and_jmp_insn_1): Likewise.
2954 (prepare_float_lib_cmp): Likewise.
2956 2005-11-24 Ben Elliston <bje@au.ibm.com>
2958 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2959 Remove unused `class' variable.
2961 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
2964 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
2965 C/C++ diagnostic function warn_array_subscript_with_type_char.
2966 * c-common.h (warn_array_subscript_with_type_char): Declare.
2967 * c-common.c (warn_array_subscript_with_type_char): Define.
2969 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
2972 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2973 compiling at the intersection of C and C++.
2975 2005-11-23 Mark Mitchell <mark@codesourcery.com>
2977 * doc/invoke.texi: For man pages, include gcc-vers.texi.
2978 List @file in the option summary. Include the libiberty
2979 documentation for @file.
2980 * gcc.c (main): Call expandargv.
2981 * Makefile.in (gcc-vers.texi): Define srcdir.
2983 2005-11-23 Diego Novillo <dnovillo@redhat.com>
2985 * passes.c (init_optimization_passes): Document
2986 sequencing of passes.
2988 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
2990 * config/m68k/predicates.md (pcrel_address, extend_operator,
2991 post_inc_operand, pre_dec_operand): Remove redundant
2993 (const_uint32_operand, const_sint32_operand): Use gcc_assert
2995 (valid_dbcc_comparison_p): Rewrite in the lisp style.
2997 2005-11-23 Ben Elliston <bje@au.ibm.com>
2999 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
3001 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
3003 Preparatory work for PR target/21623:
3004 * alpha.c (secondary_reload_class): Rename to:
3005 (alpha_secondary_reload_class).
3006 * alpha.h, alpha-protos.h: Likewise.
3007 * mn10300.c (secondary_reload_class): Rename to:
3008 (mn10300_secondary_reload_class).
3009 * mn10300.h, mn10300-protos.h: Likewise.
3010 * pa.c (secondary_reload_class): Rename to:
3011 (pa_secondary_reload_class).
3012 * pa.h, pa-protos.h: Likewise.
3013 * rs6000.c (secondary_reload_class): Rename to:
3014 rs6000_secondary_reload_class.
3015 * rs6000.h, rs6000-protos.h: Likewise.
3017 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
3020 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
3022 2005-11-22 Ian Lance Taylor <ian@airs.com>
3024 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
3026 (prepare_cmp_insn): Likewise.
3028 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
3031 * m68k.md (zero_extendsidi2): Force operands[1] to a register
3032 if both operands[0] and operands[1] are memory.
3034 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
3037 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
3038 COMPARISON_CLASS_P and an integral types create create a new
3039 expression with the new type and fold that.
3041 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
3044 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
3045 to SUBTARGET_OS_CPP_BUILTINS.
3047 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
3049 * arm.c (emit_set_insn): New function.
3050 (arm_split_constant): Call it.
3051 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
3052 (arm_legitimize_address): Likewise. Use plus_constant.
3053 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
3054 (thumb_expand_prologue): Likewise.
3055 (arm_gen_load_multiple): Use VOIDmode in SET.
3056 (arm_gen_store_multiple): Likewise.
3057 (vfp_emit_fstmx): Likewise. Use plus_constant.
3058 (emit_multi_reg_push): Likewise.
3059 (emit_sfm): Use plus_constant.
3061 2005-11-23 Alan Modra <amodra@bigpond.net.au>
3064 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
3067 2005-11-22 Alan Modra <amodra@bigpond.net.au>
3070 * expmed.c (store_bit_field): Don't attempt to insv a field
3071 larger than the reg.
3073 2005-11-22 Alan Modra <amodra@bigpond.net.au>
3076 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
3077 explicit sign extension, not a (char) cast.
3079 2005-11-22 Ben Elliston <bje@au.ibm.com>
3081 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
3082 GET_MODE_CLASS (x) == MODE_FLOAT.
3083 * config/i386/i386.c: Likewise.
3084 * config/rs6000/xcoff.h: Likewise.
3085 * config/rs6000/linux64.h: Likewise.
3086 * config/rs6000/rs6000.c: Likewise.
3087 * config/rs6000/rs6000.h: Likewise.
3088 * config/rs6000/predicates.md: Likewise.
3089 * config/rs6000/sysv4.h: Likewise.
3091 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3093 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
3096 * config/alpha/freebsd.h, config/alpha/linux.h,
3097 config/arm/linux-elf.h, config/bfin/bfin.h,
3098 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
3099 config/i386/beos-elf.h, config/i386/gnu.h,
3100 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
3101 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
3102 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
3103 config/rs6000/linux64.h, config/rs6000/sysv4.h,
3104 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
3105 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
3106 config/sparc/linux.h, config/sparc/linux64.h,
3107 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
3109 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
3110 are both defined when either flag -fpic or -fPIC are used.
3112 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
3114 * config/fp-bit.c (clzusi): New function.
3115 (si_to_float, usi_to_float): Use it to compute proper shift.
3116 (usi_to_float): Preserve guard bits when shifting right.
3117 * libgcc-std.ver (GCC_4.2.0): New version.
3118 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
3119 __floatundisf): New functions.
3120 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
3121 __floatundisf): Declare.
3122 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
3123 _floatundixf, and _floatunditf.
3124 * optabs.c (expand_float): If target does not define a pattern for
3125 signed or unsigned conversion, use an unsigned libcall instead of
3127 (init_optabs): Initialize ufloat_optab.
3129 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
3131 * config/rs6000/rs6000.opt (mmulhw): New option.
3132 * doc/invoke.texi (-mmulhw): Document.
3133 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
3135 * config/rs6000/rs6000.md: Add half-word multiply and
3136 multiply-accumulate instructions for 405 and 440.
3138 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
3140 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
3141 which matches behavior of gcc 4.0 and older for RTEMS targets. The
3142 default now includes a linker group which makes the RTEMS one nest.
3144 2005-11-22 Ben Elliston <bje@au.ibm.com>
3146 * cse.c (fold_rtx): Typo fix.
3147 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
3149 2005-11-21 Richard Henderson <rth@redhat.com>
3151 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
3152 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
3154 * c-tree.h (lookup_name): Move declaration ...
3155 * c-common.h (lookup_name): ... here.
3156 * config/darwin-c.c: Include c-common.h.
3157 * config/t-darwin: Update dependencies.
3159 2005-11-22 Ben Elliston <bje@au.ibm.com>
3161 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
3162 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
3163 * genopinit.c (gen_insn): Likewise.
3164 * reload.c (find_equiv_reg): Likewise.
3165 * loop.c (load_mems): Likewise.
3166 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
3167 * cse.c (find_comparison_args, fold_rtx): Likewise.
3168 * dwarf2out.c (add_const_value_attribute): Likewise.
3169 * expr.c (convert_move): Likewise.
3170 * recog.c (general_operand, register_operand): Likewise.
3171 * reg-stack.c (replace_reg): Likewise.
3172 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3173 * c-common.c (handle_vector_size_attribute): Likewise.
3174 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
3175 (simplify_binary_operation_1): Likewise.
3176 (simplify_const_binary_operation): Likewise.
3177 (simplify_relational_operation): Likewise.
3178 (simplify_const_relational_operation): Likewise.
3179 (simplify_immed_subreg): Likewise.
3180 * emit-rtl.c (gen_lowpart_common): Likewise.
3181 * expmed.c (expand_mult): Likewise.
3182 * stor-layout.c (layout_type): Likewise.
3184 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
3187 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
3188 cst2 only for SPE vectors.
3190 2005-11-21 David Edelsohn <edelsohn@gnu.org>
3193 * config/rs6000/predicates.md (vrsave_operation): Check
3194 UNSPEC_VOLATILE value.
3196 2005-11-21 Jan Hubicka <jh@suse.cz>
3198 PR tree-optimization/24653
3199 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
3201 2005-11-21 Uros Bizjak <uros@kss-loka.si>
3203 * config/i386/predicates.md (ax_reg_operand): New predicate.
3204 (memory_displacement_only_operand): New predicate.
3205 * config/i386/i386.md ("modrm" attribute): Return 0 if one
3206 operand is AX register and the other operand is memory operand
3207 with displacement only.
3209 2005-11-21 Uros Bizjak <uros@kss-loka.si>
3211 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
3212 if we don't care about NaNs or Infinities.
3214 2005-11-20 Ian Lance Taylor <ian@airs.com>
3216 PR rtl-optimization/24883
3217 * combine.c (combinable_i3pat): When checking whether the
3218 destination of i3 is used in i3, consider paradoxical subregs.
3220 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
3223 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
3225 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
3227 * combine.c (try_combine): Do not run subst on i1src and i2src in
3228 the case of generating a PARALLEL for a comparison.
3230 2005-11-20 Richard Henderson <rth@redhat.com>
3233 * tree-sra.c (struct sra_elt): Add all_no_warning.
3234 (struct sra_walk_fns) <use>: Add use_all argument.
3235 (sra_walk_expr): Pass it.
3236 (sra_walk_modify_expr): Likewise.
3237 (scalarize_ldst): Likewise.
3238 (scan_use): Update for new argument.
3239 (mark_no_warning): New.
3240 (scalarize_use): Use it.
3242 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3244 * expr.c (expand_expr_real): Use usmul_optab for widening
3245 signed * unsigned multiplies.
3246 * genopinit.c (optabs): Add usmul_widen_optab.
3247 * optabs.c (init_optabs): Likewise.
3248 * optabs.h (enum optab_index): Add OTI_usmul_widen.
3249 (usmul_widen_optab): Define.
3250 * config/bfin/bfin.md (usmulhisi3): New pattern.
3252 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3254 2005-11-20 Graham Stott <btinternet.com>
3256 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
3258 2005-11-20 Andreas Schwab <schwab@suse.de>
3261 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3264 2005-11-19 Richard Henderson <rth@redhat.com>
3267 * tree-gimple.c (is_gimple_id): Export.
3268 * tree-gimple.h (is_gimple_id): Declare.
3269 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3270 (get_default_value): Use it.
3271 (maybe_fold_stmt_indirect): Likewise.
3273 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
3275 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3276 than VR1 or vice-versa.
3278 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
3282 * reload.c (find_reloads_address_1): Mention dependency on
3284 * reload1.c (gen_reload): For IN with an unary operation, try
3285 moving inner expression to OUT if trivial SET is not valid.
3286 Confirm that the result is valid. Move common code block into...
3287 (emit_insn_if_valid_for_reload): New function.
3289 2005-11-19 Richard Guenther <rguenther@suse.de>
3291 * fold-const.c (fold_indirect_ref_1): Make sure we fold
3292 ARRAY_REFs of constant strings.
3294 2005-11-19 Jakub Jelinek <jakub@redhat.com>
3296 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3297 fatal format string.
3299 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
3301 * combine.c (make_compound_operation): Swap operands of
3302 commutative operation if necessary before returning.
3304 2005-11-19 Richard Guenther <rguenther@suse.de>
3307 * fold-const.c (fold_plusminus_mult_expr): New function.
3308 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3309 cases, remove now unnecessary code.
3311 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
3313 * gensupport.c (old_preds): Rename to std_preds, add special field.
3314 (struct old_pred_table): Rename to struct std_pred_table, add special
3316 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3317 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3318 (init_predicate_table): Adjust, and set along the way whether a
3319 predicate is special.
3321 2005-11-18 Mark Mitchell <mark@codesourcery.com>
3323 * BASE-VER: Change to 4.2.0.
3325 2005-11-18 James E Wilson <wilson@specifix.com>
3327 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3330 2005-11-18 Mike Stump <mrs@apple.com>
3332 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3333 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3334 * c-decl.c (lookup_name_two) Remove.
3335 * c-tree.h (lookup_name_two): Remove.
3336 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3337 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3338 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3339 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
3341 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
3344 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3345 when not generating code to use that co-processor.
3347 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
3349 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3350 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3351 these functions are now in tree-phinodes.c.
3353 2005-11-18 Jie Zhang <jie.zhang@analog.com>
3355 * config/bfin/bfin.md (trap): New pattern.
3357 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3359 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3362 * expr.c (expand_expr_real): Don't call record_block_change unless
3363 ib_boundaries_block is non-null
3365 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
3367 * fold-const.c (build_range_check): Use proper type for subtraction
3368 when merging lower bound.
3370 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
3372 PR rtl-optimization/24497
3373 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3376 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
3378 * tree-scalar-evolution.c (expression_expensive_p): New function.
3379 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3381 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
3383 * config/bfin/crtlibid.s: New file.
3385 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3388 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3389 when not using sjlj exceptions.
3390 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3391 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3392 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3393 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3394 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3395 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3396 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3397 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3398 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3399 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3400 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3401 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3402 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3404 * config/pa/hpux-unwind.h: New file.
3406 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
3408 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3409 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3410 * varasm.c (do_assemble_alias): Adjust call.
3411 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3413 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3415 2005-11-17 James E Wilson <wilson@specifix.com>
3417 * tree.def (FUNCTION_DECL): Correct typo in comment.
3419 2005-11-17 Richard Henderson <rth@redhat.com>
3421 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3422 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3423 and DW_CFA_def_cfa_sf.
3424 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3425 (dbx_reg_number): Don't assert particular registers here.
3426 (based_loc_descr): ... do it here instead. Fold in ...
3427 (eliminate_reg_to_offset): ... this function.
3428 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3429 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3430 * unwind-dw2.c (execute_cfa_program): Apply data align factor
3431 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3432 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3433 (instantiate_virtual_regs): Likewise.
3434 * var-tracking.c (adjust_stack_reference): Likewise.
3435 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3437 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
3439 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3440 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3441 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3443 ($(T)crtlibid.o): New rule.
3445 2005-11-16 Richard Guenther <rguenther@suse.de>
3448 * fold-const.c (extract_array_ref): Return byte offset
3450 (fold_binary): Fold &x[a] CMP &x[b] to
3451 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3454 2005-11-16 Richard Henderson <rth@redhat.com>
3457 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3458 parts of an SSA_NAME.
3460 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
3463 * arm.md (split for movsf with immediate): Restrict split to insns
3464 that set a general register.
3466 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3468 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
3470 * unwind-dw2.c (uw_advance_context): Likewise.
3471 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
3472 _Unwind_SjLj_Unregister.
3473 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3475 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3477 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3479 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3481 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3482 langhook to get a DImode integer type.
3484 2005-11-16 Richard Henderson <rth@redhat.com>
3485 J"orn Rennecke <joern.rennecke@st.com>
3486 Ulrich Weigand <uweigand@de.ibm.com>
3490 * reload1.c (reg_equiv_invariant): New.
3491 (reload): Allocate, initialize, and free it.
3492 (calculate_needs_all_insns): Check it when skipping equivalence
3494 (alter_reg): Likewise.
3495 (eliminate_regs_1): Rename from eliminate_regs. Add new
3496 may_use_invariant argument; only use reg_equiv_invariant when true.
3497 (eliminate_regs): New.
3498 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3499 a context for which may_use_invariant may be true.
3501 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3503 * fold-const.c (const_binop): Don't constant fold the operation
3504 if the result has overflowed and flag_trapping_math.
3505 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3507 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3509 * config/arm/unwind-arm.c (abort): Add prototype here.
3510 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3511 (struct phase1_vrs): Add prev_sp.
3512 (unwind_phase2_forced): Save the original core registers instead of
3513 modifying entry_vrs. Take a new flag argument for resuming unwinding
3514 and set action flags accordingly. Always set _US_END_OF_STACK when
3515 get_eit_entry fails. Unwind before calling the stop function.
3516 (_Unwind_GetCFA): New function.
3517 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3518 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3519 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3520 just call unwind_phase2_forced.
3521 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3522 * config/arm/unwind-arm.h (abort): Remove prototype.
3523 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3525 (_Unwind_GetCFA): New prototype.
3526 * config/arm/pr-support.c (abort): Add prototype here.
3527 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3529 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3530 not schedule the prologue with non-call exceptions and EABI.
3532 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
3534 * config/arm/unwind-arm.h: Reorder interface function declarations.
3535 (_URC_END_OF_STACK): New enumeration value.
3536 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3537 (struct _Unwind_Control_Block): Document reserved field use.
3538 (_Unwind_Stop_Fn): New typedef.
3539 (_Unwind_ForcedUnwind): Declare.
3540 (_Unwind_Resume_or_Rethrow): Declare.
3541 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3543 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3544 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3545 (UCB_FORCED_STOP_ARG): New.
3546 (search_EIT_table): Update boundary condition checks.
3547 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3548 (unwind_phase2): Replace for with do..while.
3549 (unwind_phase2_forced): New.
3550 (__gnu_Unwind_RaiseException): Replace for with do..while.
3551 (__gnu_Unwind_ForcedUnwind): New.
3552 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3553 Use appropriate phase2 unwinder.
3554 (__gnu_Unwind_Resume_or_Rethrow): New.
3555 (__gnu_unwind_pr_common): Cope with forced unwinding.
3557 2005-11-16 David Edelsohn <edelsohn@gnu.org>
3560 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3562 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3563 roundsf2): Remove "s" from mnemonic.
3565 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
3567 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3569 * config/bfin/crtn.s: Change epilogues to match.
3570 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3571 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3572 __PIC__ and __pic__.
3574 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
3577 * doc/invoke.texi: Distinguish between free and fixed form instead of
3578 Fortran and Fortran 90/95. Remove ratfor from the list of supported
3580 * gcc.c (default_compilers): Remove double entries, add entries for
3581 suffixes '.F90' and '.F95'.
3583 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3585 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3586 in the stack probing loop.
3588 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3590 * configure.ac: Use .machine power5 not power5x.
3591 * configure: Regenerate.
3593 2005-11-15 Mike Stump <mrs@apple.com>
3595 * c-decl.c (lookup_name_two): Add.
3596 * c-tree.h (lookup_name_two): Likewise.
3597 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3598 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3600 2005-11-16 Alan Modra <amodra@bigpond.net.au>
3602 PR rtl-optimization/23392
3603 * regrename.c (enum scan_actions) Add mark_access.
3604 (scan_actions_name): Ditto.
3605 (scan_rtx_reg): Handle mark_access.
3606 (scan_rtx_address): Do nothing for mark_access.
3607 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3608 and regs in REG_INC notes before closing chains for dead regs.
3609 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3610 opening chains for new writes.
3612 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3614 * c.opt (ffixed-line-length-none): New.
3616 2005-11-15 Steve Ellcey <sje@cup.hp.com>
3618 * mklibgcc.in: Change contents of eh_dummy.c.
3620 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3622 * loop.c (scan_loop): Do not insert temporaries for hard registers.
3624 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3626 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3628 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
3630 2005-11-15 Jan Hubicka <jh@suse.cz>
3632 * invoke.texi (large-unit-insns): Document.
3633 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3634 * params.def (large-unit-insns): New param.
3636 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
3639 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3640 special register for operand 3. Reindent constraints to align
3643 2005-11-14 David Edelsohn <edelsohn@gnu.org>
3645 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3646 -mpopcntb, -mfprnd. Add -mcpu=power5+.
3647 * configure.ac: Add test for FP rounding instructions.
3648 * configure: Regenerate.
3649 * config.in: Regenerate.
3650 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3651 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3653 * config/rs6000/rs6000.opt (mfprnd): New.
3654 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3655 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3656 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3657 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3658 (TARGET_FPRND): New.
3659 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3661 (btrunc<mode>2): New.
3663 (floor<mode>2): New.
3664 (round<mode>2): New.
3666 2005-11-14 Geoffrey Keating <geoffk@apple.com>
3668 * gcc.c (version_compare_spec_function): Use fatal() rather than
3671 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3672 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3673 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3675 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3678 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3679 on -mmacosx-version-min setting.
3681 2005-11-14 Diego Novillo <dnovillo@redhat.com>
3684 * tree-vrp.c (infer_value_range): Return false if STMT is a
3685 block terminator and its basic block has no successors.
3687 2005-11-14 Mike Stump <mrs@apple.com>
3689 * config/i386/i386.c (override_options): -masm=intel isn't
3690 supported on darwin.
3691 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3693 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
3695 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3696 vfork after including auto-host.h.
3698 2005-11-15 Alan Modra <amodra@bigpond.net.au>
3700 PR rtl-optimization/22002
3701 * combine.c (distribute_notes): Detect cases where a reg dies
3702 two or more times in a bb, including on the insn we are combining,
3703 and place the death note on the correct range.
3705 2005-11-14 Dale Johannesen <dalej@apple.com>
3707 * expmed.c (store_bit_field): Add offset unconditionally for
3709 (extract_bit_field): Don't force extzv or extv operand into
3710 a register if field is too big.
3712 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3714 * config/arm/arm.c (pic_labelno): New.
3715 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3716 LABEL_REF. Pass only the labelno to PIC insns.
3717 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3718 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3719 * arm.md (UNSPEC_PIC_LABEL): New constant.
3720 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3721 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3722 Use the correct label prefix.
3724 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3726 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3729 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
3731 * loop-invariant.c: Include tm_p.h.
3732 * Makefile.in: Updated.
3734 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3736 * pa.c (store_reg): Revise generation of frame notes in large frames.
3737 (set_reg_plus_d): Likewise.
3739 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
3741 PR tree-optimization/24709
3742 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3745 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
3747 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3748 and duplicate declaration of pthread_self.
3750 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
3751 Ian Lance Taylor <ian@airs.com>
3754 * calls.c (expand_call): If TARGET is a MEM and some part of the
3755 argument area has been saved, force TARGET to a register.
3757 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
3759 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3762 2005-11-13 Jason Merrill <jason@redhat.com>
3765 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3766 lazily declared methods.
3767 (force_decl_die): Stop if forcing out the context already make a
3769 (force_type_die): Likewise.
3771 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
3774 * builtins.c (integer_valued_real_p): Add break in
3775 REAL_CST having TREE_OVERFLOW set.
3777 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
3779 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3780 addressing modes during calculation of costs.
3782 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
3784 * function.c (assign_stack_local_1): Restrict sanity check
3785 on frame size overflow to 32-bit and above platforms.
3787 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3789 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3790 * config/cris/cris.c: Include reload.h.
3791 (cris_initial_elimination_offset): New function.
3792 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3795 2005-11-12 Richard Guenther <rguenther@suse.de>
3797 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3799 2005-11-12 Jan Hubicka <jh@suse.cz>
3801 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3802 to compare against 0 when possible.
3804 2005-11-12 Jie Zhang <jie.zhang@analog.com>
3806 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3807 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3808 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3809 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3812 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3814 * recog.c (constrain_operands) <case 'g'>: For a match, require
3815 that a non-register matches general_operand when strict >= 0.
3817 2005-11-11 Steven Bosscher <stevenb@suse.de>
3819 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3822 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3824 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3825 (memory_address_same): New.
3826 (dse_optimize_stmt): Call memory_address_same.
3828 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3831 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3832 ZERO_EXTEND>: New cases.
3834 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3836 * longlong.h (__clz_tab): Always provide.
3838 2005-11-11 Steven Bosscher <stevenb@suse.de>
3841 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3843 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3844 before check_maybe_invariant.
3845 (move_invariant_reg): Use gen_move_insn instead of replacing
3846 SET_DEST with the temporary for the invariant.
3847 (move_loop_invariants): If checking is enabled, do internal
3848 consistency checks after completing the pass.
3850 2005-11-11 David Edelsohn <edelsohn@gnu.org>
3853 * common.opt (Wvolatile-register-var): New.
3854 * varasm.c (make_decl_rtl): Only emit warning when option
3855 specified. Clarify warning message.
3856 * doc/invoke.texi (Wvolatile-register-var): Document new option.
3858 * doc/md.texi (copysign): Document standard named pattern.
3860 2005-11-11 Jie Zhang <jie.zhang@analog.com>
3862 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3863 bytes when align is 2.
3864 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3865 by the first instruction of the loop.
3867 2005-11-11 Jason Merrill <jason@redhat.com>
3870 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3873 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3875 PR rtl-optimization/22509
3876 * local-alloc.c (memref_used_between_p): Check whether a function call
3877 could not reference the memref.
3879 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
3881 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3882 algorithm so as to choose the best, not the worst, alternative.
3883 Reset accumulated register class before processing next alternative.
3885 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
3888 * calls.c (expand_call): Copy a return value to a plain register
3891 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
3894 * varasm.c (assemble_name): Recompute name only for transparent
3897 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
3899 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3901 2005-11-04 Jeff Law <law@redhat.com>
3904 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3905 perform reassociation if the parent statement will not die as
3906 a result of the optimization.
3908 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
3910 * tree-ssa-alias.c (compute_may_aliases): Remove call to
3911 delete_old_heap_vars.
3912 * tree-dfa.c (referenced_var_remove): Remove function.
3913 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3914 (delete_tree_ssa): Remove call to delete_old_heapvars.
3915 Add call to delete_alias_heapvars.
3916 * tree-flow.h (referenced_var_remove): Remove prototype
3917 (init_alias_heapvars): New prototype.
3918 (delete_alias_heapvars): Ditto.
3919 * Makefile.in (tree-ssa-structalias.o): Add
3920 gt-tree-ssa-structalias.o
3921 (GTFILES): Add tree-ssa-structalias.h and
3922 tree-ssa-structalias.c.
3923 (s-gtype): Add gt-tree-ssa-structalias.h.
3924 * tree-ssa-structalias.c (heapvars): Remove.
3925 (oldheapvars): Remove.
3926 (heapvar_for_stmt): New variable.
3927 (heapvar_lookup): New function.
3928 (heapvar_insert): Ditto.
3929 (get_constraint_for): See if we have an old heapvar
3931 (init_alias_heapvars): New function.
3932 (delete_alias_heapvars): Ditto.
3933 Add include of gt-tree-ssa-structalias.h.
3935 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3938 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3940 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
3942 * tree.c (int_fits_type_p): Only look at the base type
3943 if it has the same precision as the original type.
3945 2005-11-10 Jakub Jelinek <jakub@redhat.com>
3948 * varasm.c (assemble_alias): Use %q+D in the error
3949 message instead of %J and %qD.
3951 2005-11-10 Richard Guenther <rguenther@suse.de>
3953 * gcse.c (free_ldst_entry): Only free hashtable if
3956 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3958 * function.c (assign_stack_local_1): Issue an error message if
3959 the frame size overflows in the signed target arithmetics.
3961 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3963 * tree.c (build_qualified_type): Chain the new type to the original
3964 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3965 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3966 (build_pointer_type_for_mode): Only return unqualified types.
3967 (build_reference_type_for_mode): Likewise.
3969 2005-11-09 Jakub Jelinek <jakub@redhat.com>
3971 * Makefile.in (gnucompare): Do comparison of all files using one of
3972 the chosen methods and only afterwards decide if just warning should
3973 be issued or comparison failure raised.
3975 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3977 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3978 (noce_try_abs): Negate if the comparison is reversed.
3979 Look only one instruction backwards for a REG_EQUAL note.
3981 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
3984 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3985 gthr-tpf.h: Define __gthrw. For all identifiers that might
3986 be weak, introduce weakrefs or non-weak aliases with __gthrw,
3987 and prefix all uses with __ghtrw.
3989 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
3992 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3993 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
3994 * c-common.c (handle_weakref_attribute): New.
3995 (c_common_attribute_table): Add weakref.
3996 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3998 * configure, config.in: Rebuilt.
3999 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
4000 * doc/extend.texi: Document weakref attribute.
4001 * varasm.c (ultimate_transparent_alias_target): New
4002 (assemble_name): Use it.
4003 (weak_finish_1): Split out of...
4004 (weak_finish): ... and deal with weakrefs in...
4005 (weakref_targets): ... new list.
4006 (globalize_decl): Clean up weakref_targets.
4007 (do_assemble_alias): Handle weakrefs.
4008 (finish_aliases_1): Do not reject weakrefs to external symbols.
4009 (assemble_alias): Handle weakrefs.
4011 2005-11-09 Richard Guenther <rguenther@suse.de>
4013 PR tree-optimization/24716
4014 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
4015 t_bool to track results from follow_ssa_edge.
4017 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4019 * final.c (force_source_line): New global variable.
4020 (final_scan_insn): Set it to true instead of clearing last_filename.
4021 (notice_source_line): Return true if force_source_line is true,
4022 unless source info is absent.
4024 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
4027 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
4028 a linkage name for a variable if it a register variable.
4029 * c-decl.c (grokdeclarator): Global register variables
4030 should be set as PUBLIC.
4032 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4035 * config/s390/s390.c (struct s390_frame_layout): New fields
4036 first_save_gpr_slot and last_save_gpr_slot.
4037 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
4038 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
4039 first_save_gpr and last_save_gpr with the _slot variants.
4040 (s390_register_info): Calculate first_save_gpr_slot and
4041 last_save_gpr_slot using regs_ever_live.
4043 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4046 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
4047 for a function containing a landing pad.
4049 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4052 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
4055 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
4057 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
4058 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
4060 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
4063 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
4065 (call,load,store): New insn types.
4066 (mem_access, branch_access): Adjust reservation conditions.
4067 (define_delay): Adjust condition.
4068 (decrement_and_branch_until_zero): Allow for ms2. Set branch
4070 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
4071 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
4073 (call_internal, call_value_internal, return_internal,
4074 return_interrupt_internal, eh_return_internal, indirect_jump,
4075 tablejump): Set call insn type.
4076 (blockage, ei, di): Use appropriate unspec const.
4077 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
4078 (ms1_get_attr_type): Adjust to give load & store types.
4079 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
4080 backwards past a barrier.
4081 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
4083 (struct branch_info, struct label_info): New.
4085 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
4086 (ms1_machine_reorg): New.
4087 (TARGET_MACHINE_DEPENDENT_REORG): Override.
4088 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
4089 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
4090 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
4093 2005-11-09 Per Bothner <per@bothner.com>
4094 Uros Bizjak <uros@kss-loka.si>
4097 * toplev.c (process_options): Initialize debug_hooks early
4098 in case lang_hooks.post_options ends up calling a debug_hook.
4100 2005-11-08 Jakub Jelinek <jakub@redhat.com>
4102 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
4103 DBX_REGISTER_NUMBER being contiguous.
4105 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
4106 Diego Novillo <dnovillo@redhat.com>
4109 * tree-vrp.c (register_edge_assert_for): Do not register
4110 always-false predicates.
4112 2005-11-08 Devang Patel <dpatel@apple.com>
4114 PR tree-optimization/23115
4115 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
4118 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
4120 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
4123 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
4125 Fix PR tree-optimization/23382
4127 * tree-ssa-alias.c (compute_may_aliases): Call
4128 delete_old_heap_vars.
4129 * tree-dfa.c (referenced_var_remove): New function.
4130 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
4131 * tree-flow.h (referenced_var_remove): Add prototype.
4132 (delete_old_heap_vars): Ditto.
4133 * tree-ssa-structalias.c (heapvars): New variable.
4134 (oldheapvars): Ditto.
4135 (get_constraint_for): Put heap vars on heapvars list.
4136 (delete_old_heap_vars): New function.
4138 2005-11-08 Jason Merrill <jason@redhat.com>
4140 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
4142 2005-11-08 Uros Bizjak <uros@kss-loka.si>
4145 * reg-stack.c (reg_to_stack): Update register liveness also
4146 for flag_sched2_use_traces.
4148 2005-11-08 Alan Modra <amodra@bigpond.net.au>
4151 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
4152 override prior explicit -mno-powerpc-gfxopt.
4154 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
4156 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
4157 if the bitsize is zero.
4158 * doc/md.texi (Standard Pattern Names): Document it.
4160 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
4161 (TARGET_PASS_BY_REFERENCE): Likewise.
4163 2005-11-07 Ian Lance Taylor <ian@airs.com>
4165 PR rtl-optimization/24683
4166 * config/i386/i386.c (legitimize_pic_address): If constant operand
4167 to PLUS is too large, put it in a register.
4169 2005-11-07 Jie Zhang <jie.zhang@analog.com>
4171 * configure.ac: Enable checking assembler dwarf2 support for bfin
4173 * configure: Regenerate.
4175 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
4179 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
4180 gen_easy_vector_constant_add_self): Delete.
4181 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
4183 (output_vec_const_move): Use gen_easy_altivec_constant.
4184 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
4185 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
4186 (easy_vector_constant_add_self): Rewritten.
4187 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
4188 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
4189 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
4190 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
4191 Macroize and adjust for the other changes.
4193 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
4197 * c-typeck.c (build_c_cast): Try using a shared constant, and see
4198 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
4200 2005-11-07 Jakub Jelinek <jakub@redhat.com>
4202 PR rtl-optimization/23567
4203 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
4204 (noce_process_if_block): Don't do any optimizations except
4205 if (cond) x = x; if !set_b and write into orig_x may trap
4206 or fault. Remove the MEM_READONLY_P check.
4208 2005-11-06 Diego Novillo <dnovillo@redhat.com>
4211 * tree-vrp.c (fix_equivalence_set): New.
4212 (extract_range_from_assert): Call it.
4214 2005-11-05 Ian Lance Taylor <ian@airs.com>
4217 * combine.c (apply_distributive_law): Don't distribute across a
4220 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
4222 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
4223 config/ms1/ms1.h, config/rs6000/predicates.md,
4224 config/s390/s390.c, params.def, postreload-gcse.c,
4225 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
4226 tree-vrp.c, tree.c: Fix comment typos.
4227 * doc/invoke.texi: Fix typos.
4229 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
4231 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
4232 for testing whether the data_dependence_relation contains distance
4233 vectors. Iterate over all distance vectors of the ddr.
4234 * lambda.h: Define a vec of lambda_vector pointers.
4235 * tree-data-ref.c (dump_data_dependence_relation,
4236 dump_data_dependence_direction): Iterate over all distance and
4237 direction vectors of the ddr.
4238 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
4240 (build_classic_dist_vector, build_classic_dir_vector): Push a set
4241 of distance/direction vectors instead of a single one.
4242 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
4243 lambda_vectors with a vec of lambda_vectors.
4244 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
4245 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
4246 DDR_NUM_DIST_VECTS): New.
4247 * tree-loop-linear.c (gather_interchange_stats): Test for the
4248 existence of distance vectors only after having checked that there
4249 is a dependence. Iterate over all distance vectors of the ddr.
4250 (linear_transform_loops): Use dump_data_dependence_relation.
4251 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
4252 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
4253 distance vectors of the ddr.
4255 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
4257 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
4258 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
4259 IS_INTHANDLER; all callers changed.
4260 (n_regs_saved_by_prologue): Take interrupt handler attributes into
4262 (do_link, do_unlink): New argument ALL; all callers changed.
4263 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
4264 If function isn't leaf, save and restore all registers.
4265 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
4268 2005-11-05 Jan Hubicka <jh@suse.cz>
4270 PR rtl-optimization/23490
4271 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
4272 max-flow-memory-location): Document.
4273 * flow.c: Include params.h
4274 (MAX_MEM_SET_LIST_LEN): Kill.
4275 (add_to_mem_set_list): Use new param.
4276 * cse.c (cse_basic_block): Replace 1000 by new param.
4277 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
4278 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
4279 * predict.c (predict_loops): Use new param.
4280 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
4282 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
4283 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4284 Do not hold memory returned by cgraph_node_name across other call.
4286 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
4289 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
4292 2005-11-04 Jeff Law <law@redhat.com>
4295 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
4296 * tree-ssa-dom.c: Include params.h.
4297 (thread_across_edge): If there are too many statements in the
4298 target block, then do not thread through it.
4299 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
4300 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
4302 2005-11-03 Diego Novillo <dnovillo@redhat.com>
4305 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
4306 TODO_update_ssa instead of TODO_update_ssa_no_phi.
4308 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
4311 * tree-scalar-evolution.c (instantiate_parameters_1,
4312 instantiate_parameters, resolve_mixers): Compute the size of an
4313 expression to be instantiated and give up the instantiation if the
4314 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4316 2005-11-04 Richard Guenther <rguenther@suse.de>
4318 * tree-flow.h (ref_contains_indirect_ref): Rename to
4319 array_ref_contains_indirect_ref.
4320 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
4321 (array_ref_contains_indirect_ref): Make comment match the code
4323 (ref_contains_array_ref): Likewise.
4324 * tree-ssa-structalias.c (find_func_aliases): Remove call to
4325 ref_contains_indirect_ref.
4326 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4327 Rename calls to ref_contains_indirect_ref.
4329 2005-11-04 Paul Brook <paul@codesourcery.com>
4331 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
4332 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
4333 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4334 * config/arm/arm.md: Use match_operand in peephole input templates
4335 and match_dup in peephole output templates.
4337 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4339 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
4342 2005-11-04 Mark Mitchell <mark@codesourcery.com>
4343 Daniel Jacobowitz <dan@codesourcery.com>
4345 * longlong.h (add_ssaaaa): Clobber condition code register
4347 (sub_ddmmss): Likewise.
4348 (umul_ppmm): Likewise.
4350 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4351 Paul Brook <paul@codesourcery.com>
4352 Phil Blundell <pb@reciva.com>
4354 * configure.ac: Add test for ARM TLS support.
4355 * configure: Regenerated.
4356 * config/arm/arm-protos.h (legitimize_tls_address)
4357 (arm_tls_referenced_p, tls_mentioned_p)
4358 (arm_output_addr_const_extra): New prototypes.
4359 (thumb_legitimize_pic_address): Delete.
4360 * config/arm/arm.c: Include "gt-arm.h".
4361 (enum tls_reloc): New.
4362 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
4363 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
4364 (arm_call_tls_get_addr, legitimize_tls_address)
4365 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
4366 (arm_init_tls_builtins, arm_emit_tls_decoration)
4367 (arm_output_addr_const_extra): New functions.
4368 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
4369 (TARGET_HAVE_TLS): Define.
4370 (target_thread_pointer): New.
4371 (arm_override_options): Handle -mtp=.
4372 (legitimize_pic_address): Ignore UNSPECs.
4373 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4375 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4376 (tls_get_addr_libfunc): New variable.
4377 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4378 (arm_init_builtins): Call arm_init_tls_builtins.
4379 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4380 (arm_encode_section_info): Call default_encode_section_info.
4381 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4382 (enum arm_tp_type): New.
4383 (target_thread_pointer): Add declaration.
4384 (LEGITIMATE_CONSTANT_P): Handle TLS.
4385 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4386 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4387 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4388 * config/arm/arm.md: Add UNSPEC_TLS.
4389 (movsi): Handle TLS.
4390 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4392 (tls_load_dot_plus_eight): New insn and a peephole to create it.
4393 (load_tp_hard, load_tp_soft): New insns.
4394 * arm.opt: Add -mtp=.
4395 * doc/invoke.texi (ARM Options): Document -mtp.
4397 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4399 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4400 * config/arm/libunwind.S: Include "lib1funcs.asm".
4401 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4402 (LIB2ADDEH): Add libunwind.S.
4403 (LIB2ADDEHDEP): Add lib1funcs.asm.
4404 * mklibgcc.in: Handle asm files in libgcc_eh.a.
4406 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4409 * gcc/c.opt: Add a -lang-fortran option.
4410 * gcc/c-opts.c: Add a lang_fortran flag.
4411 (c_common_init_options): Handling the -lang-fortran option.
4412 (c_common_handle_option): Add a case for Fortran options in
4413 preprocessing. Remove cases for -ffixed-form and
4414 -ffixed-line-length. Add a case for -lang-fortran.
4416 2005-11-03 David Edelsohn <edelsohn@gnu.org>
4418 * config/rs6000/rs6000.c: Include params.h
4419 (optimization_options): Set max-grow-copy-bb-insns default to 16.
4420 (bdesc_2arg): Delete vpkuhss and vpkuwss.
4421 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4422 (UNSPEC_VPKUWSS): Delete.
4423 (altivec_vpkuhss): Delete.
4424 (altivec_vpkuwss): Delete.
4425 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4427 (neg_eq0<mode>): Remove final condition.
4428 (neg_eq<mode>): Remove condition and split-condition.
4430 2005-11-04 Alan Modra <amodra@bigpond.net.au>
4432 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4433 Use associated print macros.
4435 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4438 * diagnostic.c (diagnostic_set_info_translated): New function.
4439 (diagnostic_set_info): Use it. Add comment.
4440 * diagnostic.h (diagnostic_set_info_translated): Declare.
4442 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
4444 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4445 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4446 reference only if 'public' is true.
4447 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4448 emit the .hidden directive only if the indirect reference is public.
4449 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4450 Pass it to dw2_force_const_mem.
4451 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4452 * dwarf2out.c (output_cfi): Adjust calls to above function.
4453 (output_call_frame_info): Likewise.
4454 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4455 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4457 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
4459 PR tree-optimization/24483
4460 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4461 field to elts if possible.
4463 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4466 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4469 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
4471 Fix PR tree-optimization/24351
4473 * tree-ssa-structalias.c (struct variable_info): Add
4475 (get_varinfo_fc): New function to follow collapsing.
4476 (new_var_info): Set collapsed_to to NULL.
4477 (dump_constraint): Follow collapsing.
4478 (build_constraint_graph): Handle collapsing.
4479 (do_simple_structure_copy): Return false if something bad
4481 (collapse_rest_of_var): New function.
4482 (do_structure_copy): Collapse if do_simple_structure_copy returns
4485 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4488 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4489 expressions to a statement list instead of gimplifying them.
4491 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4493 PR rtl-optimization/23585
4494 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4495 that can't trap plus a constant integer, if the mode has zero size.
4497 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
4500 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4502 ("*insv<mode>_reg_extimm"): Likewise.
4504 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4507 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4508 c_common_type_for_mode returns an unnamed type.
4510 2005-11-02 Richard Henderson <rth@redhat.com>
4514 * dwarf2out.c (dwarf2out_reg_save_reg): New.
4515 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4516 * function.c (assign_parms): Use calls.internal_arg_pointer.
4517 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4519 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4520 (TARGET_CALLS): Add it.
4521 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4522 * targhooks.c (default_internal_arg_pointer): New.
4523 * targhooks.h (default_internal_arg_pointer): Declare.
4524 * tree.h (dwarf2out_reg_save_reg): Declare.
4525 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4526 * config/i386/i386.c (dbx_register_map): Add return column.
4527 (dbx64_register_map, svr4_dbx_register_map): Likewise.
4528 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4529 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4530 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4531 (ix86_save_reg): Save force_align_arg_pointer.
4532 (ix86_emit_save_regs): Make regno unsigned.
4533 (ix86_emit_save_regs_using_mov): Likewise.
4534 (ix86_expand_prologue): Handle force_align_arg_pointer.
4535 (ix86_expand_epilogue): Likewise.
4536 * config/i386/i386.h: (dbx_register_map): Update.
4537 (dbx64_register_map, svr4_dbx_register_map): Update.
4538 (struct machine_function): Add force_align_arg_pointer.
4539 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4540 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4541 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4543 2005-11-02 Jan Hubicka <jh@suse.cz>
4546 * i386.md: Add peep2 for simplyfing array accesses.
4548 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4551 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4552 * config/s390/s390.c (s390_decompose_shift_count): New function.
4553 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4554 (print_shift_count_operand): Use s390_decompose_shift_count.
4555 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4556 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
4558 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4561 * loop.c (loop_givs_rescan): Use force_operand to expand
4564 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
4567 * fold-const.c (build_range_check): Use unsigned when signed
4568 overflow is undefined also. If etype is subtype, make sure that
4569 the subtraction is in the supertype.
4571 2005-11-02 Richard Henderson <rth@redhat.com>
4574 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4577 2005-11-01 Richard Henderson <rth@redhat.com>
4580 * loop.c (scan_loop): Do not propagate computations to a hard
4581 register destination with SMALL_REGISTER_CLASSES.
4583 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
4585 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4586 costs for MULT inside PLUS or MINUS.
4588 2005-11-01 Bob Wilson <bob.wilson@acm.org>
4590 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4591 (TRAMPOLINE_SIZE): Round up to 60.
4592 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4594 2005-10-31 James E. Wilson <wilson@specifix.com>
4597 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4598 ifdef. Put ifdefs around call in gen_subprogram_die.
4599 (compute_frame_pointer_to_cfa_displacement): Likewise.
4600 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4603 PR rtl-optimization/17356
4604 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
4605 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4607 2005-10-31 Jan Hubicka <jh@suse.cz>
4610 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4613 * i386.c (legitimize_pic_address): Deal with large immediates.
4616 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4617 from symbol names while computing checkup.
4620 * predict.c (predict_loops): Do not estimate more than
4621 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4622 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4624 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
4626 PR tree-optimization/19097
4627 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4629 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
4631 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4633 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
4636 * tree-inline.c (setup_one_parameter): If the init_stmt
4637 is NULL, don't insert the statement.
4639 2005-10-30 Jan Hubicka <jh@suse.cz>
4641 PR tree-optimization/24172
4642 * tree-inline.c (copy_body_r): Unshare the substituted value first.
4644 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
4646 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4647 constants for hosts with long != 32 bits.
4649 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
4652 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4654 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
4656 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4657 (TARGET_MS1_16_002): New.
4658 (TARGET_MS1_16_003): New.
4660 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4661 ("*decrement_and_branch_until_zero_no_clobber"): New.
4662 Add corresponding splitter for decrement_and_branch_until_zero
4664 Key all decrement_and_branch_until_zero patterns off of
4667 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
4670 * tree-complex.c (extract_component): Treat RESULT_DECL
4671 like the rest of the decls.
4673 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
4675 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4676 indirect call to _mcount if the function needs a static chain.
4678 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
4679 Caroline Tice <ctice@apple.com>
4681 PR rtl-optimization/24460
4682 * dwarf2out.c (have_switched_text_sections): New boolean variable.
4683 (dwarf2out_switch_text_section): Set it to true instead of
4684 incrementing separate_line_info_table_in_use.
4685 (output_loc_list): Additionally test have_switched_text_sections.
4686 (output_ranges): Likewise.
4687 (dwarf2out_finish): Likewise.
4688 * varasm.c (assemble_start_function): Do not call
4689 insert_section_boundary_note.
4690 (assemble_end_function): If flag_reorder_blocks_and_partition,
4691 switch to the function's section before emitting the .size directive.
4692 * bb-reorder.c (insert_section_boundary_note): Staticify.
4693 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4694 * output.h (insert_section_boundary_note): Delete.
4696 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
4699 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4700 instead of pointer equality when comparing types.
4702 2005-10-24 James E. Wilson <wilson@specifix.com>
4704 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4705 add_dependence_list_and_free calls.
4707 2005-10-24 Steven Bosscher <stevenb@suse.de>
4709 * contrib.texi: Add the names of the LLNL folks who donated
4710 Cray pointer support for gfortran.
4712 2005-10-24 Steven Bosscher <stevenb@suse.de>
4714 PR tree-optimization/24225
4715 * profile.c (branch_prob): Look from end to start through a
4716 basic block when looking for a locus.
4718 2005-10-24 Richard Henderson <rth@redhat.com>
4720 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4722 (hppa_expand_prologue): Likewise.
4724 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4726 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4727 (NO_DEFERRED_PROFILE_COUNTERS): Define.
4728 * pa.h (NO_PROFILE_COUNTERS): Define.
4729 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4730 (funcdef_nos): New vector to hold label numbers of deferred profile
4732 (output_deferred_profile_counters): New function.
4733 (hppa_profile_hook): Push label number onto funcdef_nos.
4734 (pa_hpux_file_end): Call output_deferred_profile_counters if
4735 NO_DEFERRED_PROFILE_COUNTERS is false.
4737 * pa-protos.h (get_deferred_plabel): New prototype.
4738 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
4740 (output_call): Adjust calls.
4742 2005-10-24 Alan Modra <amodra@bigpond.net.au>
4744 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4745 peculiarity of GOT/TOC section usage.
4747 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
4750 * c-common.c (constant_string_class_name): Add documentation.
4752 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
4755 * recog.c (peephole2_optimize): Increment peep2_current_count
4756 only when the slot is empty.
4758 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4761 * except.c (output_function_exception_table): Call
4762 assemble_external_libcall if we need a personality function.
4764 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4766 PR rtl-optimization/24460
4767 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4768 set the basic block for barriers.
4770 2005-10-21 Janis Johnson <janis187@us.ibm.com>
4772 * var-tracking.c (vt_initialize): Initialize post.
4774 2005-10-21 Devang Patel <dpatel@apple.com>
4777 * c-common.c (vector_types_convertible_p): Check vector element type.
4779 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
4781 * config/sh/sh.c (prepare_move_operands): Handle the address
4782 constant which is a tls symbolic address plus a constant.
4784 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
4787 * gcc.c (main): Use the correct counter for erroring out
4788 about mulitple files.
4790 2005-10-21 Alan Modra <amodra@bigpond.net.au>
4793 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4794 use r2 for 64-bit tls .got access.
4796 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
4798 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4801 2005-10-20 Steven Bosscher <stevenb@suse.de>
4803 PR tree-optimization/24307
4804 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4806 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
4809 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4811 * varasm.c (find_decl_and_mark_needed): After cgraph global info
4812 is ready, stop marking functions, but still mark variables.
4814 2005-10-20 Richard Guenther <rguenther@suse.de>
4817 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4820 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
4822 PR rtl-optimization/23585
4823 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4824 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
4825 (may_trap_p_1): New predicate extracted from...
4826 (may_trap_p): ... here. Invoke may_trap_p_1.
4827 (may_trap_or_fault_p): New predicate.
4828 * rtl.h (may_trap_or_fault_p): Declare it.
4829 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4830 instead of may_trap_p.
4831 (steal_delay_list_from_fallthrough): Likewise.
4832 (fill_simple_delay_slots): Likewise.
4833 (fill_slots_from_thread): Likewise.
4834 * function.c (pad_to_arg_alignment): Rework comment about
4835 SPARC_STACK_BOUNDARY_HACK.
4836 * config/sparc/sparc.h: Likewise.
4838 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
4840 * config/s390/s390.c (s390_expand_insv): New.
4841 * config/s390/s390-protos.h (s390_expand_insv): Declare.
4842 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4843 ("icm_hi"): Remove mode attribute.
4844 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4846 ("*extracthi", "*extractqi"): Remove.
4847 (extv<mode>", "*extzv<mode>"): New.
4848 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4849 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4851 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4853 * cfgexpand.c (discover_nonconstant_array_refs_r,
4854 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4855 (tree_expand_cfg): Call discover_nonconstant_array_refs.
4856 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4857 discover_nonconstant_array_refs.
4859 2005-10-19 Steven Bosscher <stevenb@suse.de>
4862 * c-decl.c (pop_scope): Don't warn about an unused variable
4863 if it is marked with TREE_NO_WARNING.
4864 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4865 somenow mismatch and olddecl is to be replaced.
4867 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
4870 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4871 whether registers live on the edge can be saved/restored.
4873 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
4875 * config/sh/sh.c (fixup_mova): Skip notes.
4877 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4879 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4880 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4881 (s390_can_eliminate): Handle BASE_REGNUM elimination.
4882 (s390_initial_elimination_offset): Likewise.
4883 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4884 register on TARGET_ZARCH targets.
4885 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4886 (INITIAL_FRAME_POINTER_OFFSET): Remove.
4887 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4888 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4890 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
4892 * config/s390/s390.md: Comment describing output modifiers updated.
4893 * config/s390/s390.c (print_operand): Likewise.
4895 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
4897 * config/s390/s390.c (override_options): Added check for -mstack-size
4899 * doc/invoke.texi: Mention that limit in the documenation.
4901 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
4904 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4906 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
4908 Fix PR tree-optimization/24231
4910 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4911 (compute_avail): Ditto.
4913 2005-10-18 Richard Henderson <rth@redhat.com>
4916 * config/i386/i386.c (legitimate_constant_p): Check
4917 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
4919 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4920 (legitimate_pic_address_disp_p): Reorg CONST checking to make
4921 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
4923 (print_operand_address): Likewise.
4924 * config/i386/predicates.md (x86_64_immediate_operand): Test
4925 SYMBOL_REF_TLS_MODEL properly inside CONST.
4926 (x86_64_zext_immediate_operand): Likewise.
4927 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4928 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4929 * config/i386/i386-protos.h: Remove predicates.md entries.
4931 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
4933 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4934 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4936 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
4937 Ian Lance Taylor <ian@airs.com>
4940 * fold-const.c (fold_widened_comparison): Do not allow range based
4941 constant folding when right operand cannot be unwidened.
4943 2005-10-17 Richard Henderson <rth@redhat.com>
4945 * builtins.c (expand_builtin_synchronize): Build a new-style asm
4946 with a memory clobber.
4948 2005-10-17 James E Wilson <wilson@specifix.com>
4950 PR rtl-optimization/17356
4951 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4952 checking for EDGE_EH.
4954 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
4956 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4957 the slot on an even boundary for any type with 16-byte alignment.
4959 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
4962 * md.texi (Modifiers) <%>: Clarify that % doesn't work
4963 after register allocation.
4965 2005-10-17 DJ Delorie <dj@redhat.com>
4967 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4970 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
4973 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4976 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
4978 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4979 to 2 if it's already non-zero.
4980 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4981 is set and warn about it if flag_schedule_insns is 1.
4983 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
4985 * config/crx/crx.md: Compare-and-branch instructions need to
4988 2005-10-17 Uros Bizjak <uros@kss-loka.si>
4991 * config/i386/i386.md (*pushdi2_rex64 splitter)
4992 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4993 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4994 flow2 pass only when (optimize > 0 && flag_peephole2).
4996 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
4999 * gcc.c (have_c): New static variable.
5001 (process_command): Remove declation of have_c.
5002 Set have_o to 1 when handling -o.
5003 (main): Add a fatel error if there are multiple
5004 files specified and -o and -c/-S is passed witout
5005 -combine or multiple languages.
5007 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
5009 Fix PR tree-optimization/22444
5010 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
5011 Assert that we don't hit something with subvars.
5012 (setup_pointers_and_addressables): Don't add things with subvars,
5013 because we'll already process the subvars for aliasing purposes.
5015 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
5018 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
5019 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
5020 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
5021 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
5022 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
5023 swapped, alternatives for the R constraint.
5026 * builtins.c (get_builtin_sync_mode): Make unlimited
5027 mode_for_size request.
5029 2005-10-15 Richard Henderson <rth@redhat.com>
5031 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
5032 (gimplify_expr): ... here.
5033 (gimplify_compound_lval): Use it in initial scan loop. Allow
5034 fb_lvalue in base expression.
5036 2005-10-15 Richard Henderson <rth@redhat.com>
5039 * builtins.c (expand_builtin_trap): Export.
5040 * expr.h (expand_builtin_trap): Declare.
5041 * expr.c (expand_assignment): Emit a trap for integral offsets
5042 from registers that weren't reduced to bitpos.
5044 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
5045 (mark_array_ref_addressable): Remove.
5046 * tree-flow.h (mark_array_ref_addressable): Remove.
5047 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
5049 2005-10-15 James E Wilson <wilson@specifix.com>
5052 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
5053 (add_dependence_list_and_free): Likewise.
5054 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
5057 2005-10-15 Diego Novillo <dnovillo@redhat.com>
5061 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
5062 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
5064 (vrp_visit_phi_node): Only prevent infinite iterations when
5065 the previous result and the new result are both VR_RANGEs.
5067 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
5069 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
5072 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5075 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
5078 2005-10-14 Per Bothner <per@bothner.com>
5080 PR preprocessor/21250
5081 * c-ppoutput.c (print_line): Print internal line 0 as 1.
5083 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
5086 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
5087 overflow flags. Refactor some conditionals.
5089 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
5092 * tree-dfa.c (add_referenced_var): Only look at decls which
5093 have TREE_CONSTANT or TREE_READONLY set instead of if
5094 !TREE_PUBLIC or !TREE_CONSTANT.
5096 2005-10-13 James E Wilson <wilson@specifix.com>
5098 * doc/invoke.texi: For -x, add f95-cpp-input.
5099 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
5101 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
5103 PR tree-optimization/24262
5104 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
5105 in loop all the time.
5107 2005-10-12 Richard Henderson <rth@redhat.com>
5110 * tree.h (DECL_TRANSPARENT_UNION): Remove.
5111 * function.c (assign_parm_find_data_types): Don't support it.
5112 * print-tree.c (print_node): Likewise.
5113 * c-common.c (handle_transparent_union_attribute): Likewise.
5114 Use build_duplicate_type.
5115 * tree-inline.c (remap_type_1): Split out of remap_type;
5116 properly remap aggregate fields.
5117 (build_duplicate_type): New.
5118 * doc/extend.texi (Variable Attributes): Remove documentation
5119 for transparent_union.
5121 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5124 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
5125 (gen_stack_pointer_dec): Likewise.
5127 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
5131 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
5133 (struct cxx): Add adjust_class_at_definition target hook.
5134 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
5135 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
5136 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
5137 hook_void_tree. Add to TARGET_CXX.
5138 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
5140 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
5141 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
5142 instead of attribute. Check for dllexport override. Warn if
5143 inconsistent dll linkage. Don't lose old dllimport if decl has
5144 had address referenced. Tweak lookup of dllimport atribute.
5145 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
5146 for target specific rules. Don't add dllimport attribute if
5147 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
5148 dllimport attribute.
5149 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
5150 * varasm.c (initializer_constant_valid_p): Replace
5151 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
5155 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
5156 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
5157 (i[34567]86-*-mingw32*): Likewise.
5159 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
5160 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
5162 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
5163 C++-specific code. Change return value to bool.
5164 (i386_pe_dllimport_p): Likewise.
5165 (associated_type): Simplify and make language-independent
5166 (i386_pe_encode_section_info): Replace override of ambiguous
5167 dllimport symbol refs with a gcc_assert.
5168 (i386_pe_valid_dllimport_attribute_p): Define.
5169 * config/i386/winnt-cxx.c: New file. Define C++ versions of
5170 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5171 i386_pe_adjust_class_at_definition.
5172 * config/i386/winnt-stubs.c: New file. Define stub versions of
5173 lang-specific functions.
5174 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
5175 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5176 i386_pe_adjust_class_at_definition.
5177 (i386_pe_valid_dllimport_attribute_p): Declare.
5178 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
5179 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
5180 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
5183 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
5184 dllimport attribute with test of DECL_DLLIMPORT_P.
5186 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
5188 * combine.c (make_extraction): Correct offset computation.
5190 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
5192 * config/cris/t-linux (LIMITS_H_TEST): Define.
5194 2005-10-12 Richard Henderson <rth@redhat.com>
5197 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
5199 2005-10-12 Richard Guenther <rguenther@suse.de>
5201 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
5203 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
5206 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
5207 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
5210 2005-10-12 Richard Guenther <rguenther@suse.de>
5213 * varasm.c (output_constant): Correct typo from previous
5216 2005-10-11 Ian Lance Taylor <ian@airs.com>
5218 PR rtl-optimization/13931
5219 * combine.c: Revert patch of 2003-05-14, and:
5220 (try_combine): Only set elim_i1 and elim_i2 if the destination is
5221 completely killed in the appropriate insn.
5222 (distribute_notes): Don't skip multiple hard register test for
5223 elim_i1 and elim_i2.
5225 2005-10-11 Richard Henderson <rth@redhat.com>
5228 * c-typeck.c (convert_for_assignment): Use build_constructor_single
5229 to initialize a transparent union instead of a nop_expr.
5231 2005-10-11 Richard Henderson <rth@redhat.com>
5233 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
5234 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
5235 (tree_ssa_dce_loop): Call scev_reset.
5238 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
5239 * tree-ssa-dce.c: Include cfgloop.h.
5240 (tree_ssa_dce_loop, pass_dce_loop): New.
5241 * tree-pass.h (pass_dce_loop): Declare it.
5242 * passes.c (init_optimization_passes): Use it.
5244 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5247 * convert.c (convert_to_real): Revert 2005-10-05 patch.
5248 Only apply the optimization for rounding builtins if the inner
5249 cast is also an extension.
5251 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
5254 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
5255 mark_new_vars_to_rename instead of update_stmt.
5257 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
5259 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
5261 2005-10-11 Jakub Jelinek <jakub@redhat.com>
5263 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
5264 for setting MMX register to 0 rather than mmx.
5266 2005-10-10 Steve Ellcey <sje@cup.hp.com>
5269 * configure.ac: Move gas check from mips specific case to common case.
5270 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
5271 * configure: Regenerate
5272 * doc/install.texi: Update.
5274 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5277 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
5279 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
5281 * gcc.c (do_spec_1): Accept numeric characters in file name
5284 2005-10-10 Nick Clifton <nickc@redhat.com>
5286 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
5287 describing the deleted arm_gen_rotated_half_load function.
5289 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
5291 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
5294 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
5296 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
5298 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
5299 (EXTRA_MULTILIB_PARTS): Define.
5300 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5301 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5302 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
5303 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5304 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5305 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
5307 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
5309 PR tree-optimization/24226
5310 * tree-cfg.c (remove_bb): Clean up unreachable loops.
5311 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
5312 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
5315 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5317 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
5319 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
5322 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
5323 Rewrite for no need for the early clobber.
5325 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
5327 Merge from csl-arm-branch:
5328 2005-09-07 Paul Brook <paul@codesourcery.com>
5329 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
5332 2005-04-30 Paul Brook <paul@codesourcery.com>
5333 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
5334 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
5336 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
5337 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
5338 (arm_override_options): Use TARGET_AAPCS_BASED.
5339 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
5340 (PTRDIFF_TYPE): Use int for AAPCS.
5341 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
5342 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
5343 (DEFAULT_SHORT_ENUMS): Delete.
5344 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
5346 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
5347 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
5348 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
5349 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
5351 2004-12-03 Mark Mitchell <mark@codesourcery.com>
5352 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
5354 2004-11-22 Mark Mitchell <mark@codesourcery.com>
5355 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
5357 2004-11-19 Mark Mitchell <mark@codesourcery.com>
5358 * config.gcc (arm*-*-linux-gnueabi): Add it.
5359 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
5361 (TARGET_OS_CPP_BUILTINS): Likeiwse.
5362 * config/arm/linux-eabi.h: New file.
5363 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
5364 (LINUX_TARET_LINK_SPEC): Likewise.
5365 (LINK_SPEC): Use it.
5366 * config/arm/t-linux-eabi: New file.
5368 2005-10-08 Steven Bosscher <stevenb@suse.de>
5371 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
5373 (PARAM_SMS_DFA_HISTORY): Likewise.
5375 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
5378 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5379 (load_register_parameters): Call it.
5380 (check_sibcall_argument_overlap_1): Likewise.
5381 (store_one_arg): Likewise.
5383 2005-10-07 James E. Wilson <wilson@specifix.com>
5385 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5386 DImode not VECINT24 for operand 2.
5389 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5393 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5394 fr_spill): Use destination_operand for operand 0.
5396 2005-10-07 DJ Delorie <dj@redhat.com>
5398 * varasm.c (output_constant): Limit error to expanding
5401 2005-10-07 Richard Guenther <rguenther@suse.de>
5404 * fold-const.c (fold_binary): Fix operand types during folding
5405 of X op (A, Y). Evaluation order of the side-effects of
5406 X and A are frontend-defined, so ensure we honour that even for
5407 tcc_comparison class operands; eased by removing duplicate code.
5409 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5411 * stor-layout.c (layout_type): Do not allow alignment of array
5412 elements to be greater than their size.
5414 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5416 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5418 (hppa*-*-linux*): Ditto.
5419 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5420 * config/host-hpux.c: New.
5421 * config/x-hpux: New.
5422 * config/pa/x-hpux: Remove.
5423 * config/pa/x-linux: Remove.
5424 * config/pa/pa-host.c: Remove.
5426 2005-10-07 Jeff Law <law@redhat.com>
5428 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5429 determine whether or not to try and thread outgoing edges.
5431 2005-10-07 David Edelsohn <edelsohn@gnu.org>
5433 * config/rs6000/rs6000.md (eqsi_power): New.
5434 (neg_eq0si): Add TARGET_POWER to final condition.
5437 2005-10-06 Richard Henderson <rth@redhat.com>
5439 * config/rs6000/rs6000.c: Revert last change.
5441 2005-10-06 Richard Henderson <rth@redhat.com>
5443 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5444 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5446 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
5450 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5451 out return_label and naked_return_label.
5453 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5455 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5458 2005-10-06 Richard Henderson <rth@redhat.com>
5461 * tree-inline.c (declare_return_variable): Handle modify_dest not
5464 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5466 Fix PR tree-optimization/22488
5467 * tree-ssa-structalias.c (check_for_overlaps): New function.
5468 (create_variable_info_for): Use it.
5470 2005-10-06 Richard Henderson <rth@redhat.com>
5473 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5474 (dwarf2out_start_source_file): Print it.
5476 2005-10-06 Geoffrey Keating <geoffk@apple.com>
5478 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5480 2005-10-06 Richard Henderson <rth@redhat.com>
5483 * mode-switching.c (optimize_mode_switching): Clear transp bit
5484 for block with incomming abnormal edges.
5486 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5487 (fpscr_set_from_mem): Use them.
5488 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5489 (fpscr postinc splitters): Rewrite as peephole2+split.
5491 2005-10-06 David Edelsohn <edelsohn@gnu.org>
5493 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5494 (eq<mode>_compare): Same.
5496 2005-10-06 Richard Guenther <rguenther@suse.de>
5498 PR tree-optimization/24238
5499 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5501 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
5503 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5504 here. Use AC_PATH_PROG for environment variables instead of
5506 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
5508 * configure: Regenerated.
5510 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
5513 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5514 then force it into a register.
5515 (call_value): Likewise.
5517 2005-10-06 Richard Henderson <rth@redhat.com>
5520 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5521 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
5522 under pass_vectorize.
5524 2005-10-05 Devang Patel <dpatel@apple.com>
5527 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5528 handling constants. Check NAMESPACE_DECL context for constants.
5530 2005-10-05 Eric Christopher <echristo@apple.com>
5532 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5534 2005-10-05 Richard Henderson <rth@redhat.com>
5537 * tree-cfg.c (mark_array_ref_addressable_1): New.
5538 (mark_array_ref_addressable): New.
5539 * tree-flow.h (mark_array_ref_addressable): Declare.
5540 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5542 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
5546 * reload.c (subst_reloads): When adding a REG_LABEL to a
5547 jump instruction, also update JUMP_LABEL.
5549 2005-10-05 David Edelsohn <edelsohn@gnu.org>
5551 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5552 * bb-reorder.c (copy_bb_p): Use it.
5553 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5555 2005-10-05 Richard Henderson <rth@redhat.com>
5558 * toplev.c (process_options): Warn about unsupported combinations
5559 of unwind tables and omit-frame-pointer.
5560 * config/i386/i386.c (override_options): Similarly. Enable
5561 accumulate-outgoing-args if not explicitly disabled.
5563 2005-10-05 Steve Ellcey <sje@cup.hp.com>
5565 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5566 Handle big endian vs. small endian.
5567 (vec_initv2sf): Handle big endian vs. small endian.
5568 (*vec_extractv2sf_1): Ditto.
5570 2005-10-05 Dale Johannesen <dalej@apple.com>
5572 * convert.c (convert_to_real): Don't convert
5573 (float)floor(double d) to floorf((float)d).
5575 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
5577 * config/arm/arm.md (insv): Use gen_int_mode in more places.
5579 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
5581 PR tree-optimization/18587
5582 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5583 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5584 build_vuses): Change to VEC type.
5585 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5586 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5587 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5588 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5589 (get_name_decl): New. Return DECL_UID of base variable.
5590 (operand_build_cmp): New. qsort comparison routine.
5591 (operand_build_sort_virtual): New. Sort virtual build vector.
5592 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5593 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5594 (FINALIZE_BASE): Use get_name_decl.
5595 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5596 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5597 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5598 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5599 direct VEC_* manipulations.
5600 (build_ssa_operands): Call operand_build_sort_virtual.
5601 (copy_virtual_operand, create_ssa_artficial_load_stmt,
5602 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5603 with direct VEC_* manipulations.
5604 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5605 with direct VEC manipulations.
5607 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
5609 PR tree-optimization/21419
5610 PR tree-optimization/24146
5611 PR tree-optimization/24151
5613 * c-typeck.c (readonly_error): Handle USE being lv_asm.
5614 (build_asm_expr): Call it if outputs are read-only.
5615 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5617 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
5618 Paolo Bonzini <bonzini@gnu.org>
5622 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5623 enable the instructions and not just the built-ins.
5624 * doc/invoke.texi (x86 Options): Likewise.
5626 2005-10-04 Geoffrey Keating <geoffk@apple.com>
5628 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5630 * doc/invoke.texi (Option Summary): Correct spelling
5631 of -mmacosx-version-min.
5633 2005-10-04 Devang Patel <dpatel@apple.com>
5635 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5638 2005-10-04 Steve Ellcey <sje@cup.hp.com>
5640 * tree-vect-transform.c (vect_create_epilog_for_reduction):
5641 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5643 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
5645 * config/s390/s390.md ("TDSI","DP"): New mode macros.
5646 ("TE","tg"): New mode attributes.
5647 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5648 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5649 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5650 dword_mode and one for GPRmode.
5652 2005-10-04 Ian Lance Taylor <ian@airs.com>
5654 PR preprocessor/13726
5655 * c-ppoutput.c (cb_include): Add comments parameter, and print out
5656 any comments passed in.
5658 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5660 * tree.c (annotate_with_file_line): Fix typo.
5662 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5665 * builtins.c (fold_builtin_memcmp): When constructing the pointer
5666 type used to access data in the inlined length == 1 case, use
5667 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5668 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5670 2005-10-04 Uros Bizjak <uros@kss-loka.si>
5672 * config/i386/i386.h (TARGET_FISTTP): Enable also for
5673 TARGET_SSE3 and only for TARGET_80387.
5674 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5675 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5676 Do not depend on TARGET_80387.
5678 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5680 * tree.c (last_annotated_node): Change type to location_t*.
5681 (annotate_with_file_line): Reflect the change of
5682 last_annotated_node type.
5684 2005-10-04 Richard Guenther <rguenther@suse.de>
5687 * c-decl.c (grokdeclarator): Don't write to fields
5690 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5693 * c-decl.c (finish_decl): Use set_user_assembler_name even for
5695 * varasm.c (make_decl_rtl): If a register variable does not
5696 have a set user assmbler name, error out.
5697 Decode the asmspec is now name+1 bypassing '*'.
5699 2005-10-04 Steven Bosscher <stevenb@suse.de>
5701 PR tree-optimization/23049
5702 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5703 of a COND_EXPR is folded before calling fold on the whole rhs of a
5704 conditional assignment.
5705 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5706 document that a COND_EXPR may appear there.
5708 2005-10-03 Diego Novillo <dnovillo@redhat.com>
5711 * tree-vrp.c (extract_range_from_assert): If the new numeric
5712 range created out of the assertion contradicts the existing
5713 numeric range of the ASSERT_EXPR variable, make the new range
5716 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
5718 * config/sh/sh.c (sh_register_move_cost): Add case for moving
5719 from T_REGS to FP register class.
5721 2005-10-03 Richard Henderson <rth@redhat.com>
5724 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5725 before creating a new one.
5727 2005-10-03 David Edelsohn <edelsohn@gnu.org>
5729 * config/rs6000/t-aix43 (LDFLAGS): New.
5730 * config/rs6000/t-aix52 (LDFLAGS): New.
5732 2005-10-03 Ian Lance Taylor <ian@airs.com>
5734 * gimplify.c (find_single_pointer_decl_1): New static function.
5735 (find_single_pointer_decl): New static function.
5736 (internal_get_tmp_var): For a formal variable, set restrict base
5737 information if appropriate.
5738 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5740 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5741 (DECL_GET_RESTRICT_BASE): Define.
5742 (SET_DECL_RESTRICT_BASE): Define.
5743 (decl_restrict_base_lookup): Declare.
5744 (decl_restrict_base_insert): Declare.
5745 (struct tree_decl_with_vis): Add based_on_restrict_p field.
5746 * tree.c (restrict_base_for_decl): New static variable.
5747 (init_ttree): Initialize restrict_base_for_decl.
5748 (copy_node_stat): Copy restrict base information.
5749 (decl_restrict_base_lookup): New function.
5750 (decl_restrict_base_insert): New function.
5751 (print_restrict_base_statistics): New static function.
5752 (dump_tree_statistics): Call print_restrict_base_statistics.
5754 2005-10-02 Diego Novillo <dnovillo@redhat.com>
5757 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5758 case of anti-ranges.
5760 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
5763 * c-typeck.c (tagged_tu_seen): Rename to ...
5764 (tagged_tu_seen_cache): this and add val field.
5765 (comptypes): Move functional to comptypes_internal
5766 and free tagged_tu_seen.
5767 (comptypes_internal): New function and call comptypes_internal
5768 instead of comptypes. Speed up by sibcalling
5769 tagged_types_tu_compatible_p.
5770 (alloc_tagged_tu_seen): New function
5771 (free_all_tagged_tu_seen_up_to): New function.
5772 (tagged_types_tu_compatible_p): Return the val of the seen two
5774 Add that the two types are the same to tagged_tu_seen_base
5775 if they are and call comptypes_internal instead of comptypes.
5776 <case UNION_TYPE>: Speed up common type where the fields are
5778 (function_types_compatible_p): Call comptypes_internal instead of
5780 (type_lists_compatible_p): Likewise.
5781 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5783 2005-10-02 Matthias Klose <doko@debian.org>
5785 * doc/invoke.texi: Fix typo and speling error.
5787 2005-10-01 Richard Henderson <rth@redhat.com>
5789 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5791 2005-10-01 Mark Mitchell <mark@codesourcery.com>
5793 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5794 using --start-group and --end-group.
5796 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5798 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5799 FIXME note regarding quirky semantics.
5801 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5804 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5805 non-null range as a last resort.
5807 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
5808 Diego Novillo <dnovillo@redhat.com>
5811 * tree-vrp.c (extract_range_from_assert): For !=
5812 assertions, only build an anti-range if LIMIT is a
5813 single-valued range.
5815 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
5817 * arm.md (movqi): On thumb when optimizing, handle loading from
5818 memory by describing this as taking a subreg of a zero-extended load
5819 into an SImode register.
5822 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
5824 * reload1.c (merge_assigned_reloads): Do not change any
5825 RELOAD_FOR_OUTPUT_ADDRESS reloads.
5827 2005-09-30 Geoffrey Keating <geoffk@apple.com>
5829 * Makefile.in (LIPO_FOR_TARGET): Define.
5830 (STRIP_FOR_TARGET): Define.
5832 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5833 before creating new ones. Do symlinks before creating the actual
5836 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5837 to work out which multilibs are actually being built.
5839 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
5841 * tree-vect-transform.c, config/ms1/ms1.md,
5842 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5843 Follow spelling conventions.
5844 * doc/invoke.texi, doc/md.texi: Fix typos.
5846 2005-09-30 Andrew Macleod <amacleod@redat.com>
5848 PR tree-optimization/21430
5849 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5850 use operands, and set stmt pointer if need be.
5851 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5852 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5855 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5858 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5860 2005-09-29 Mark Mitchell <mark@codesourcery.com>
5862 * optabs.c (expand_binop): Initialize first_pass_p.
5864 2005-09-29 Jakub Jelinek <jakub@redhat.com>
5867 * c-decl.c (c_write_global_declarations_1): If any
5868 wrapup_global_declaration_2 call returned true, restart the loop.
5870 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
5872 Fix PR tree-optimization/24117
5873 * tree-ssa-structalias.c (find_func_aliases): Strip nops
5874 before considering whether to use anyoffset.
5876 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
5880 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
5882 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5884 (swap_commutative_operands_with_target): New.
5886 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
5889 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5892 2005-09-29 Steven Bosscher <stevenb@suse.de>
5894 PR tree-optimization/23911
5895 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5896 and IMAGPART_EXPR too.
5898 2005-09-28 Mark Mitchell <mark@codesourcery.com>
5901 * expmed.c (expand_shift): Move logic to reverse rotation
5902 direction when rotating by constants ...
5903 * optabs.c (expand_binop): ... here.
5904 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5905 (ix86_rotrdi3): New pattern.
5906 (rotldi3): Handle 32-bit mode.
5907 (ix86_rotldi3): New pattern.
5909 2005-09-29 Alan Modra <amodra@bigpond.net.au>
5912 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5913 check for numbers that need no bit twiddle.
5915 2005-09-28 Geoffrey Keating <geoffk@apple.com>
5917 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5918 multilib to be built.
5920 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5921 (stage1-start): Delete old libgcc and libunwind before moving
5922 anything into the stage directory.
5923 (stage2-start): Likewise.
5924 (stage3-start): Likewise.
5925 (stage4-start): Likewise.
5926 (stageprofile-start): Likewise.
5927 (stagefeedback-start): Likewise.
5928 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5929 header in tm_file and CPU-specific t-darwin in tmake_file.
5930 (i[34567]86-*-darwin*): Don't change tm_file.
5931 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5932 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5933 shared library stub for target OS version.
5934 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5935 (SHLIB_LINK): Don't make SHLIB_SOLINK.
5936 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5937 (libgcc_s.%.dylib): New.
5939 (install-darwin-libgcc-stubs): New.
5940 (INSTALL_LIBGCC): New append.
5941 * config/i386/darwin-libgcc.10.4.ver: New.
5942 * config/i386/darwin-libgcc.10.5.ver: New.
5943 * config/i386/t-darwin: New.
5944 * config/rs6000/darwin-libgcc.10.4.ver: New.
5945 * config/rs6000/darwin-libgcc.10.5.ver: New.
5946 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5947 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5949 2005-09-28 Paul Brook <paul@codesourcery.com>
5951 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5954 2005-09-28 Richard Guenther <rguenther@suse.de>
5956 PR tree-optimization/23853
5957 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5958 host_integerp to verify misalignment value.
5960 2005-09-28 Richard Henderson <rth@redhat.com>
5962 * builtins.c (get_builtin_sync_mode): New.
5963 (expand_builtin_sync_operation): Pass in mode argument.
5964 (expand_builtin_compare_and_swap): Likewise.
5965 (expand_builtin_lock_test_and_set): Likewise.
5966 (expand_builtin_lock_release): Likewise.
5967 (expand_builtin): Update to match.
5969 2005-09-28 Nick Clifton <nickc@redhat.com>
5971 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5972 formatting. Add check to PLUS case to ensure that the offset is
5973 within an acceptable range.
5975 * config/v850/v850.md (casesi): Disable the generation of the
5976 switch pattern as it is not being handled properly at the moment.
5978 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5979 for when the high words are identical.
5981 2005-09-27 Richard Henderson <rth@redhat.com>
5983 * pretty-print.c (pp_base_format): Fix typo for %>.
5985 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
5986 Devang Patel <dpatel@apple.com>
5988 PR tree-optimization/23625
5989 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5990 LABEL_EXPR, assertion check.
5992 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
5994 * optabs.c (no_conflict_move_test): Check if a result of a
5995 to-be-moved insn would be clobbered by an originally
5998 2005-09-27 Jeff Law <law@redhat.com>
6000 * passes.c (init_optimization_passes): Replace copy propagation
6001 passes immediately after DOM with phi-only copy propagation
6002 pases. Add phi-only copy propagation pass after first DOM pass.
6003 * tree-pass.h (pass_phi_only_copy_prop): Declare.
6004 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
6005 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
6006 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
6007 to init_copy_prop. Callers updated.
6008 (do_phi_only_copy_prop): New function.
6009 (pass_phi_only_copy_prop): New pass descriptor.
6011 2005-09-27 Nick Clifton <nickc@redhat.com>
6013 * libgcc2.c (__popcount_tab): Remove redundant prototype.
6015 2005-09-26 Jason Merrill <jason@redhat.com>
6018 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
6020 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
6022 2005-09-26 James E Wilson <wilson@specifix.com>
6024 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
6025 copyright. Add gcc copyright plus libgcc exception.
6026 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
6028 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
6030 2005-09-26 Jeff Law <law@redhat.com>
6032 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
6033 about when to iterate.
6035 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
6038 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
6039 for __complex__ double in -mcpu=G5 mode.
6041 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
6043 PR tree-optimization/23942
6044 * Makefile.in (SCEV_H): Depends on PARAMS_H.
6045 * tree-scalar-evolution.c: Include params.h.
6047 (follow_ssa_edge, follow_ssa_edge_in_rhs,
6048 follow_ssa_edge_in_condition_phi_branch,
6049 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
6050 Change return type to t_bool. Use a parameter to limit the size of
6051 trees that are walked before stopping
6052 (analyze_evolution_in_loop): Initialize the limit to 0.
6053 (follow_ssa_edge): Give up by returning t_dont_know if the limit
6054 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
6056 2005-09-26 Uros Bizjak <uros@kss-loka.si>
6059 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
6060 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
6062 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
6064 * combine.c (make_extraction): Check for valid use of subreg.
6066 2005-09-26 Uros Bizjak <uros@kss-loka.si>
6069 * config/i386/i386.md ("*fistdi2_1"): New pattern.
6070 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
6071 ("fist<mode>2_with_temp"): Use only register operands.
6073 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
6075 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
6076 CALL_INSN_FUNCTION_USAGE.
6078 2005-09-26 Richard Guenther <rguenther@suse.de>
6081 * gcse.c: Include hashtab.h, define ldst entry hashtable.
6082 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
6083 (ldst_entry): Use the hashtable instead of list-walking.
6084 (find_rtx_in_ldst): Likewise.
6085 (free_ldst_entry): Free the hashtable.
6086 (compute_ld_motion_mems): Create the hashtable.
6087 (trim_ld_motion_mems): Remove entry from hashtable if
6088 removing it from list.
6089 (compute_store_table): Likewise^2.
6090 (store_motion): Free hashtable in case we did not see
6093 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
6095 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
6096 and arg1 if we are passing them to fold_build2.
6098 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
6101 * config/i386/i386.c (ix86_function_regparm): Fix the test for
6104 2005-09-25 Richard Henderson <rth@redhat.com>
6106 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
6107 SYMBOL_REF_TLS_MODEL to be correct.
6109 2005-09-24 Richard Henderson <rth@redhat.com>
6111 * ipa-type-escape.c (discover_unique_type): Remove dead code at
6112 end of function. Reindent.
6114 2005-09-24 Ian Lance Taylor <ian@airs.com>
6116 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
6117 NEGATE_EXPR/BIT_NOT_EXPR case.
6119 2005-09-24 Richard Henderson <rth@redhat.com>
6121 * c-common.c (handle_mode_attribute): When not modifying in place,
6122 create subtypes for enumerations.
6123 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
6124 * gimplify.c (create_tmp_from_val): Likewise.
6126 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
6128 * config/i386/i386.md (*tls_global_dynamic_64,
6129 *tls_local_dynamic_base_64): Add missing mode to call.
6130 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
6132 2005-09-24 Jan Hubicka <jh@suse.cz>
6134 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
6135 (cgraph_clone_node): Likewise.
6136 * cgraph.h (cgraph_clone_edge): Update prototype.
6137 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
6138 duplicated prototypes; add updating argument.
6139 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
6140 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
6142 (cgraph_mark_inline_edge): Likewise.
6143 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
6144 (cgraph_flatten_node): Likewise.
6145 (cgraph_decide_recursive_inlining): Likewise.
6146 (cgraph_decide_inlining_of_small_function): Likewise.
6147 * tree-optimize.c (tree_rest_of_compilation): Likewise.
6149 2005-09-23 David Edelsohn <edelsohn@gnu.org>
6150 Pete Steinmetz <steinmtz@us.ibm.com>
6152 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
6153 (rldic.): Set type to "compare".
6155 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
6156 mfjmpr for MFCTR/MFLR.
6157 (movdf_hardfloat64): Same.
6158 (movdf_softfloat64): Same. Correct order of store and move types.
6159 (movti_string): Set type to store_ux/load_ux.
6160 (load_multiple): Set type to load_ux.
6161 (store_multiple): Set type to store_ux.
6162 (movmemsi): Set type to store_ux.
6163 (output_cbranch direct_return): Set type to jmpreg.
6164 (stmw): Set type to store_ux.
6165 (lmw): Set type to load_ux.
6166 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
6167 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
6168 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
6169 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
6170 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
6171 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
6172 (rios1-fpstore): Increase latency to 3.
6173 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
6174 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
6176 2005-09-23 David Edelsohn <edelsohn@gnu.org>
6177 Andrew Pinski <pinskia@physics.uc.edu>
6179 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
6180 operand2 constraint to "b".
6181 (sync_<fetchop_name>di_internal): Same.
6182 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
6184 (sync_old_<fetchop_name>di_internal): Same.
6185 (sync_new_<fetchop_name>si_internal): Same.
6186 (sync_new_<fetchop_name>di_internal): Same.
6188 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
6191 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
6192 case, define as macros.
6194 PR rtl-optimization/23837
6195 * optabs.c (no_conflict_move_test): Don't set must_stay for a
6196 clobber / clobber match between dest and p->first.
6198 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
6199 (no_conflict_move_test): Update comments.
6201 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6203 * doc/install.texi: Update URL for Jacks.
6204 * doc/sourcebuild.texi: Likewise.
6206 2005-09-22 David Edelsohn <edelsohn@gnu.org>
6209 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
6210 registers when choosing register preferences.
6211 (movdf_hardfloat64): Same.
6213 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
6215 * expmed.c (expand_shift): Don't use the target of the rotate as
6216 target for the first expanded shift insn.
6217 * testsuite/gcc.dg/20050922-1.c: Testcase added.
6219 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
6221 PR tree-optimization/22438
6222 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
6223 preserved iv rhs rewriting specially.
6225 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
6227 * tree-data-ref.c (analyze_array_indexes): Only estimate when
6228 estimate_only is true.
6229 * tree-flow.h (ref_contains_indirect_ref): New prototype.
6230 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
6231 tree-ssa-structalias.c
6232 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
6233 ref_contains_indirect_ref.
6234 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
6236 2005-09-21 DJ Delorie <dj@redhat.com>
6238 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
6240 (mn10300_return_in_memory): Support variable size types also.
6241 (mn10300_pass_by_reference): Likewise.
6242 (mn10300_function_value): New.
6243 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
6244 (FUNCTION_OUTGOING_VALUE): Likewise.
6245 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
6246 * doc/invoke.texi: Document it.
6248 2005-09-21 Uros Bizjak <uros@kss-loka.si>
6251 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
6252 force integer op1 into register for XFmode compares.
6254 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6257 * expmed.c (alg_code): Add alg_impossible.
6258 (alg_hash_entry): Add cost.
6259 (synth_mult): Record alg_impossible in the hash table if
6260 multiplication by a given integer is impossble within the
6261 limit. Speed up using alg_impossible.
6263 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
6265 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
6266 argument. Allow and set any offset if needs_anyoffset is passed
6268 (get_constraint_for): Add argument here too.
6270 (do_structure_copy): Pass NULL to get_constraint_for.
6271 (handle_ptr_arith): Ditto.
6272 (find_func_aliases): Ditto.
6274 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
6276 PR rtl-optimization/23898
6277 * output.h (get_attr_min_length): Declare.
6278 * final.c (get_attr_length_1): New function, broken out of:
6280 (get_attr_min_length): New function.
6281 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
6282 (duplicate_computed_gotos): Likewise.
6283 * genattr.c (insn_min_length): Generate declaration.
6284 * genattrtab.c (min_fn, min_attr_value): New functions.
6285 (make_length_attrs): Generate insn_min_length.
6287 2005-09-20 Steve Ellcey <sje@cup.hp.com>
6289 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
6291 2005-09-20 Richard Henderson <rth@redhat.com>
6293 PR tree-optimization/24059
6294 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
6297 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
6299 * c.opt (fextended-identifiers): New.
6300 * c-opts.c (c_common_handle_option): Handle
6301 -fextended-identifiers.
6302 * doc/cpp.texi: Update documentation of extended identifiers.
6303 * doc/cppopts.texi (-fextended-identifiers): Document.
6305 2005-09-20 Jakub Jelinek <jakub@redhat.com>
6307 PR tree-optimization/23929
6308 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
6311 PR tree-optimization/23818
6312 * tree-stdarg.c (execute_optimize_stdarg): Call
6313 calculate_dominance_info.
6315 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
6317 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
6318 (analyze_siv_subscript_cst_affine): Add weak SIV test.
6319 (compute_overlap_steps_for_affine_1_2): Use
6320 get_number_of_iters_for_loop.
6321 (analyze_subscript_affine_affine): Check whether difference is
6323 Use get_number_of_iters_for_loop.
6324 Check whether overlap occurs outside of bounds.
6325 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
6327 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
6329 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
6330 base register if possible.
6332 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
6334 PR tree-optimization/18463
6335 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
6336 converting it directly is not possible.
6337 (chrec_convert_aggressive): New function.
6338 * tree-chrec.h (chrec_convert_aggressive): Declare.
6339 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
6340 Fold chrec conversions aggressively if asked to.
6341 (instantiate_parameters): Modified because of changes in
6342 instantiate_parameters_1.
6344 2005-09-19 Richard Henderson <rth@redhat.com>
6346 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
6347 (reduc_splus_v2df): New.
6349 2005-09-19 Richard Sandiford <richard@codesourcery.com>
6351 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
6352 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
6354 2005-09-19 Richard Henderson <rth@redhat.com>
6356 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
6359 2005-09-19 Richard Henderson <rth@redhat.com>
6361 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
6362 (ia64_expand_dot_prod_v8qi): New.
6363 * config/ia64/ia64-protos.h: Update.
6364 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
6365 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
6366 sdot_prodv8qi, sdot_prodv4hi): New.
6367 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
6369 2005-09-19 Richard Henderson <rth@redhat.com>
6372 * real.c (exact_real_truncate): Return false if the format cannot
6373 represent the number as a normal.
6375 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6376 for a memory source.
6378 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
6380 * tree-ssa-operands.c (swap_tree_operands): Export.
6381 * tree.h (swap_tree_operands): Declare.
6382 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6383 Call swap_tree_operands.
6385 2005-09-19 Richard Henderson <rth@redhat.com>
6387 * tree-flow.h (merge_alias_info): Declare.
6388 * tree-ssa-copy.c (merge_alias_info): Export.
6389 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6390 (vect_create_data_ref_ptr): Use create_iv directly.
6391 (vectorizable_load): Use correct types for integer constants.
6392 (vect_generate_tmps_on_preheader): Likewise.
6393 (vect_gen_niters_for_prolog_loop): Likewise.
6395 2005-09-19 Steven Bosscher <stevenb@suse.de>
6397 PR rtl-optimization/23943
6398 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6400 2005-09-18 Jan Hubicka <jh@suse.cz>
6402 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6404 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
6406 * varasm.c (output_constant): Do not abort on conversions to union
6407 types between different sizes.
6409 2005-09-18 Richard Guenther <rguenther@suse.de>
6412 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6415 2005-09-18 Paul Brook <paul@codesourcery.com>
6417 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6419 2005-09-17 Richard Henderson <rth@redhat.com>
6421 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6422 * tree-ssa-loop.c (pass_vect_dce): Remove.
6423 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6426 2005-09-17 Richard Henderson <rth@redhat.com>
6428 * tree-pass.h (pass_vect_dce): Declare.
6429 * passes.c (init_optimization_passes): Add it.
6430 * tree-flow.h (tree_ssa_dce): Declare.
6431 * tree-ssa-dce.c (tree_ssa_dce): Export.
6432 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6433 (gate_tree_vectorize): ... here.
6434 (pass_vect_dce): New.
6436 2005-09-17 Jan Hubicka <jh@suse.cz>
6438 * except.c (struct eh_status): Turn region_array into vec.
6439 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6440 convert_from_eh_region_ranges, find_exception_handler_labels,
6441 current_function_has_exception_handlers, assign_filter_values,
6442 build_post_landing_pads, dw2_build_landing_pads,
6443 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6444 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6445 foreach_reachable_handler, can_throw_internal_1,
6446 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6448 (duplicate_eh_region_1): Update region_array.
6449 (duplicate_eh_regions): Resize region_array and avoid recomputing.
6451 2005-09-17 David Edelsohn <edelsohn@gnu.org>
6454 * expmed.c (expand_mult): Substitute simple register for op0 when
6457 2005-09-17 Richard Henderson <rth@redhat.com>
6459 * expr.c (emit_move_via_integer): Add force argument, pass it on
6460 to emit_move_change_mode. Update callers.
6461 (emit_move_complex): Pass true to new force argument.
6462 * function.c (expand_function_end): Move expand_eh_return call
6463 earlier. Merge sub-word complex values into a pseudo before
6464 copying to the return hard register.
6466 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
6468 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6469 between different sizes.
6471 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
6475 * passes.c (init_optimization_passes): Register dump files for
6478 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
6480 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6481 * config/s390/s390.c (s390_overlap_p): New function.
6482 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6483 peephole2, "*xc" peephole2): Added overlap check to the peephole2
6486 2005-09-16 Richard Guenther <rguenther@suse.de>
6488 * ipa-pure-const.c (static_execute): Free auxiliar information.
6489 * ipa-type-escape.c (discover_unique_type): Free temporary key.
6490 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6492 2005-09-15 DJ Delorie <dj@redhat.com>
6494 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6496 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
6498 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6500 (swap_commutative_operands_with_target): New.
6502 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
6504 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6507 (estimate_iters_using_array): New function.
6508 * tree-data-ref.h (estimate_iters_using_array): Prototype
6509 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6510 Use estimate_iters_using_array instead of analyze_array.
6512 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
6514 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6517 2005-09-15 Michael Matz <matz@suse.de>
6519 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6521 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
6523 PR tree-optimization/23835
6524 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6525 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6527 2005-09-14 Richard Henderson <rth@redhat.com>
6529 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6530 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6532 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
6534 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6535 in the ARRAY_TYPE case.
6537 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
6539 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6541 2005-09-14 Uros Bizjak <uros@kss-loka.si>
6544 * tree-vect-transform.c (vectorizable_operation): Return false for
6545 scalar shift operations and for vector shift operations with
6546 non-invariant shift arguments. Use scalar tree operand op1 as
6547 a shift operand when vector shift insn pattern uses scalar shift
6549 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6551 2005-09-14 Olivier Hainque <hainque@adacore.com>
6553 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6554 value if it has side-effects.
6556 2005-09-14 David Edelsohn <edelsohn@gnu.org>
6559 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6561 2005-09-14 Alan Modra <amodra@bigpond.net.au>
6563 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6564 passed as NAME as if it were label at start of function code.
6566 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
6568 * config/sh/sh.md (*movv4sf_i): Add general register cases to
6571 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6573 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6574 as early clobber. Rewrite so the PIC register is not implicitly used.
6576 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6578 * tree.c (annotate_with_file_line): Compare line numbers before
6581 2005-09-13 Uros Bizjak <uros@kss-loka.si>
6584 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6585 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6587 2005-09-13 Ian Lance Taylor <ian@airs.com>
6589 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6590 than a HOST_WIDEST_INT to gen_doloop_begin.
6592 2005-09-13 Diego Novillo <dnovillo@redhat.com>
6594 * tree-dfa.c (dump_variable): Guard against NULL annotations.
6596 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
6598 PR tree-optimize/23817
6599 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6601 2005-09-13 Alan Modra <amodra@bigpond.net.au>
6604 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6605 word before changing the stack pointer. Use gen_frame_mem for MEMs.
6606 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6607 (restore_stack_nonlocal): Likewise.
6608 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6610 2005-09-12 Ian Lance Taylor <ian@airs.com>
6613 * c.opt (ffriend-injection): New C++ option.
6614 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6615 (C++ Dialect Options): Document -ffriend-injection.
6617 2005-09-12 Josh Conner <jconner@apple.com>
6620 * ipa-reference.c (static_execute): Don't mark variables in
6621 named sections TREE_READONLY.
6623 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6625 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6628 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6630 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6631 V_MUST_DEF instead of just the first_use_p.
6632 Don't mark the virtual variables for renaming on the statement which
6634 (pass_dse): Remove TODO_update_ssa.
6636 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
6639 * stor-layout.c (compute_record_mode): For records with a single
6640 field, actually check the field's mode size against the type size.
6642 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6643 registers for TARGET_SHMEDIA.
6644 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6645 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
6646 of GENERAL_REGS and FP_REGS.
6648 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
6650 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6652 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6654 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6655 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6656 are omitted. Exclude stack_tie insn too.
6658 2005-09-11 David Edelsohn <edelsohn@gnu.org>
6660 PR rtl-optimization/23098
6661 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6663 * config/rs6000/rs6000.md (movdf splitter): Use
6664 const_double_operand predicate for TARGET_POWERPC64.
6665 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6666 SYMBOL_REF method to ABI_V4.
6668 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6669 replace_equiv_address.
6670 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6671 rs6000_sr_alias_set and MEM_NOTRAP.
6672 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6674 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
6676 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6677 handle CALL_EXPR again.
6679 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
6681 * arm/predicates.md (alignable_memory_operand): Delete.
6683 2005-09-10 Richard Henderson <rth@redhat.com>
6686 * dbxout.c (dbxout_expand_expr): New.
6687 (dbxout_symbol): Use it.
6689 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
6691 * arm.c (arm_gen_rotated_half_load): Delete.
6692 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6693 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6694 (thumb_set_return_address): Likewise.
6695 (thumb_load_double_from_address): Use adjust_address.
6696 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6697 (extendhsisi2_mem, movhi_bytes): Use change_address.
6698 (movhi): Use widen_memory_access.
6699 (reload_out_df): Use replace_equiv_address.
6700 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6702 2005-09-09 Richard Henderson <rth@redhat.com>
6705 * dbxout.c: Include expr.h.
6706 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6707 (dbxout_symbol): Handle DECL_VALUE_EXPR.
6708 * Makefile.in (dbxout.o): Add EXPR_H.
6710 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
6712 PR tree-optimization/23509
6713 * tree-cfg.c (replace_uses_by): Use replace_exp.
6714 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6715 pointers have name_mem_tag or type_mem_tag set.
6717 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6719 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6720 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6721 of wrongly accessing operands.
6723 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6725 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6726 * tree-chrec.c: Include tree-scalar-evolution.h.
6727 (chrec_convert): Instantiate the base and step before calling
6728 scev_probably_wraps_p that would fail on parametric evolutions.
6729 Collect all the fails into a single section failed_to_convert,
6730 print a diagnostic, and return chrec_dont_know instead of calling
6732 * tree-scalar-evolution.c (loop_closed_phi_def): New.
6733 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6735 (scev_const_prop): Don't replace the definition of a loop closed ssa
6736 phi node by itself, or by another loop closed ssa phi node.
6737 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6738 that base and step are defined.
6740 2005-09-09 Richard Guenther <rguenther@suse.de>
6743 * fold-const.c (fold_ternary): Check truth_value_p before
6744 calling invert_truthvalue.
6746 2005-09-09 Nick Clifton <nickc@redhat.com>
6748 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6749 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6750 dimension of these arrays.
6751 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6753 * longlong.h: Only provide a prototype for the __clz_tab[] array
6754 if this header has not been included from libgcc2.h.
6755 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6757 Provide prototypes for exported functions.
6758 Use the __clz_tab[] and __popcount_tab[] arrays provided by
6761 2005-09-08 Josh Conner <jconner@apple.com>
6765 * expr.c (expand_expr_addr_expr_1): Don't invoke
6766 expand_simple_binop for EXPAND_INITIALIZER.
6768 2005-09-08 Richard Henderson <rth@redhat.com>
6771 * toplev.c (wrapup_global_declaration_1): Split out ...
6772 (wrapup_global_declaration_2): ... from ...
6773 (wrapup_global_declarations): ... here. Return bool.
6774 (check_global_declaration_1): Split out ...
6775 (check_global_declarations): from here.
6776 (emit_debug_global_declarations): New.
6777 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6778 check_global_declaration_1, emit_debug_global_declarations): Declare.
6779 * c-decl.c (c_write_global_declarations_1): Don't create a vector
6780 of decls. Call wrapup_global_declaration_1,
6781 wrapup_global_declaration_2, check_global_declaration_1 directly.
6782 (c_write_global_declarations_2): New.
6784 (c_write_global_declarations): Call c_write_global_declarations_2.
6785 * langhooks.c (write_global_declarations): Call
6786 emit_debug_global_declarations.
6788 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6789 remove decls that have DECL_RTL_SET_P.
6790 * passes.c (rest_of_decl_compilation): Invoke
6791 cgraph_varpool_finalize_decl for all but functions.
6793 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
6795 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6796 the result of a conversion if the new min and max cannot be compared.
6798 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
6800 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6801 (override_options): Setting s390_sr_alias_set removed.
6802 (save_fpr, save_gprs): Set alias set to vararg or frame.
6803 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6804 s390_sr_alias_set with get_frame_alias_set ().
6805 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6806 get_varargs_alias_set ().
6808 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6812 * c-parser.c (c_parser_objc_method_definition): If the next
6813 token is not "{", error out and don't start the function.
6815 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6817 * tree-vrp.c (extract_range_from_expr): Move the check for non
6818 nullness after the check for gimple invariant.
6820 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6822 * tree.c (host_integerp, tree_low_cst): Correct function comment.
6824 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6827 * config/m32r.md (movmemsi_internal): Canonicalize order of
6828 operands in PLUS component of template.
6830 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
6832 * reload1.c (fixup_eh_region_note): Remove assertion.
6833 (fixup_abnormal_edges): Reverted removal of call to
6834 find_many_sub_basic_blocks made on 2005-08-31.
6836 2005-09-07 Richard Henderson <rth@redhat.com>
6838 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6839 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6840 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6841 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6842 rearrange for better packing.
6843 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6844 (lookup_cfa_1): Remove inline marker.
6845 (cfa_equal_p): Split out of ...
6846 (def_cfa_1): ... here. Use INVALID_REGNUM.
6847 (build_cfa_loc): Handle !cfa->indirect.
6848 (frame_pointer_cfa_offset): New.
6849 (dbx_reg_number): Assert register elimination performed; do
6850 leaf register remapping.
6851 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6852 (eliminate_reg_to_offset): New.
6853 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
6854 for verifiably local stack frame addresses; re-base to CFA.
6855 (mem_loc_descriptor): Remove can_use_fbreg argument.
6856 (concat_loc_descriptor, loc_descriptor): Likewise.
6857 (containing_function_has_frame_base): Remove.
6858 (rtl_for_decl_location): Don't do register elimination or
6859 leaf register remapping here.
6860 (secname_for_decl): Split out from ..
6861 (add_location_or_const_value_attribute): ... here.
6862 (convert_cfa_to_loc_list): New.
6863 (compute_frame_pointer_to_cfa_displacement): New.
6864 (gen_subprogram_die): Use them.
6865 * tree.h (frame_base_decl): Remove.
6866 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6867 (prologue_stack_adjust): Remove.
6868 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6869 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6870 (set_frame_base_location): Remove.
6871 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6872 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6873 (vt_add_function_parameters): Don't eliminate_regs.
6874 (vt_initialize): Don't create frame_base_decl.
6876 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6878 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6879 version of GNU binutils for 4.x and later.
6881 2005-09-06 Mark Mitchell <mark@codesourcery.com>
6883 * ggc-page.c (ggc_push_context): Remove.
6884 (ggc_pop_context): Likewise.
6885 * ggc.h (ggc_push_context): Remove.
6886 (ggc_pop_context): Likewise.
6888 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6891 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6892 returning from an interrupt handler.
6894 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6897 * config/arc/arc.c (output_shift): Add check for loop count when
6900 2005-09-06 Steven Bosscher <stevenb@suse.de>
6902 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6904 (abs_replacement): Likewise.
6905 (pass_phiopt): Remove TODO_update_ssa.
6907 2005-09-06 Jakub Jelinek <jakub@redhat.com>
6910 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6911 if "return with no value, in function returning non-void" warning
6913 * tree-cfg.c (execute_warn_function_return): Don't look at
6914 RETURN_EXPRs with TREE_NO_WARNING set.
6917 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6918 for internal functions doesn't use registers used by global registers
6919 variables. Use fewer register parameters if there are global register
6922 2005-09-06 Olivier Hainque <hainque@adacore.com>
6923 Eric Botcazou <ebotcazou@adacore.com>
6926 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6927 when we would be extracting outside its bit span (bitpos+bitsize
6928 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6929 Ada unchecked conversions.
6931 2005-09-06 Steven Bosscher <stevenb@suse.de>
6933 * tree-ssa-pre.c (try_look_through_load): New function.
6934 (compute_avail): Use it to try to look through loads for some
6935 more useful expressions.
6937 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6939 * simplify-rtx.c (simplify_binary_operation_1): Correct the
6940 condition for detecting cases like (a&a) and (a^a).
6942 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
6944 * common.opt: Add option ftree-vect-loop-version.
6945 * params.def: Add --param vect-max-version-checks.
6946 * doc/invoke.texi: Document ftree-vect-loop-version and
6947 --param vect-max-version-checks.
6948 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6949 may_misalign_stmts and defines for accessors.
6950 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6951 LOOP_VINFO_MAY_MISALIGN_STMTS.
6952 (destroy_loop_vec_info): VEC_free for
6953 LOOP_VINFO_MAY_MISALIGN_STMTS.
6954 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6955 Update documentation.
6956 (vect_update_misalignment_for_peel): New.
6957 (vect_enhance_data_refs_alignment): Update to choose loop
6958 peeling or loop versioning if appropriate for the (potentially)
6959 unaligned data references in the loop.
6960 (vect_analyze_data_refs_alignment): Remove call to
6961 vect_enhance_data_refs_alignment so the checks can be done
6963 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6964 and move up call to vect_analyze_data_refs_alignment.
6965 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6966 (vect_transform_loop): Add call to loop_version.
6968 2005-09-06 Jakub Jelinek <jakub@redhat.com>
6970 PR rtl-optimization/23098
6971 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6972 * simplify-rtx.c (constant_pool_reference_p): New function.
6973 * rtl.h (constant_pool_reference_p): New prototype.
6974 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6975 constant_pool_reference_p in condition and
6976 avoid_constant_pool_reference in preparation statements.
6978 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
6980 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6981 STRICT_LOW_PART SETs.
6983 2005-09-06 Alan Modra <amodra@bigpond.net.au>
6986 * except.c (sjlj_emit_function_enter): Find the function begin
6987 note even when it's not in first basic block.
6989 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
6991 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
6992 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6993 * aclocal.m4: Regenerate.
6995 2005-09-05 DJ Delorie <dj@redhat.com>
6997 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
7000 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
7002 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
7003 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
7004 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
7005 Follow spelling conventions.
7006 * doc/invoke.texi: Follow spelling conventions.
7008 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
7010 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
7011 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
7012 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
7014 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
7017 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
7018 (output_stack_adjust): Use gen_tmp_stack_mem.
7019 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
7020 (sh_set_return_address, sh_allocate_initial_value): Likewise.
7021 (sh_get_pr_initial_val): Likewise.
7022 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
7023 (sh_initialize_trampoline): Likewise. Also use adjust_address.
7024 * sh.md (divsi_inv_m0): Use gen_const_mem.
7025 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
7026 (movdf_i4+1): Use gen_tmp_stack_mem.
7027 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
7028 (fpu_switch+2): Likewise.
7029 (movv4sf_i, movv16sf_i): Use adjust_address.
7030 (symGOT_load): Set MEM_NOTRAP_P bit.
7032 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7035 * pa.c (emit_move_sequence): Fix typo in last change.
7037 2005-09-03 Jakub Jelinek <jakub@redhat.com>
7039 PR rtl-optimization/23454
7040 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
7043 2005-09-03 Richard Henderson <rth@redhat.com>
7044 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7047 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
7050 2005-09-02 Nicolas Pitre <nico@cam.org>
7052 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
7053 to bit_count to 32 bits.
7055 2005-08-31 Mark Mitchell <mark@codesourcery.com>
7058 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
7059 generating synthetic loads from volatile lvalues.
7061 005-09-02 Nick Clifton <nickc@redhat.com>
7063 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
7064 __ctzhi2, __clzhi2): New functions.
7066 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
7069 * tree-nested.c (struct var_map_elt): Mark with GTY.
7070 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
7072 (lookup_field_for_decl): Allocate new element in GC memory.
7073 (lookup_tramp_for_decl): Likewise.
7074 (convert_nl_goto_reference): Likewise
7075 (create_nesting_tree): Allocate info in GC memory. Likewise for
7077 (free_nesting_tree): Free with ggc_free instead of free.
7078 (root): New static variable.
7079 (lower_nested_functions): Remove root as local variable. And zero out
7080 root at the end of the function.
7082 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
7084 PR rtl-optimization/20365
7085 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
7086 to short. New member ix.
7087 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
7088 (simplify_plus_minus): Initialize ix members before calling qsort.
7090 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
7092 PR tree-optimization/23626
7093 * tree-cfg.c (replace_uses_by): Clean up eh info.
7095 2005-09-01 DJ Delorie <dj@redhat.com>
7097 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
7100 2005-09-01 David Edelsohn <edelsohn@gnu.org>
7102 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
7103 (rs6000_split_multireg_move): Use replace_equiv_address instead of
7106 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
7108 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
7109 do not issue warning for a variable definition following
7112 2005-09-01 Richard Henderson <rth@redhat.com>
7115 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
7116 conversion to CONST_VECTOR.
7118 2005-09-01 Richard Henderson <rth@redhat.com>
7121 * reload1.c (reload_as_needed): Check !CALL_P before calling
7122 fixup_eh_region_note.
7123 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
7125 2005-09-01 DJ Delorie <dj@redhat.com>
7127 * varasm.c (output_constant): Let the target resolve
7128 conversions of addresses to non-default pointer sizes.
7130 2005-09-01 Nicolas Pitre <nico@cam.org>
7132 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
7133 to alow matching ARM pre-indexed addressing mode.
7134 (arm_override_options): Remove now irrelevant comment.
7136 2005-09-01 Phil Edwards <phil@codesourcery.com>
7138 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
7139 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
7140 * config/i386/vxworks.h: Likewise.
7141 * config/i386/t-vxworksae: New file, for VxWorks AE.
7142 * config/i386/vxworksae.h: Likewise.
7144 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
7146 PR tree-optimization/23410
7147 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
7148 sequence is not wrapping during the first step.
7150 2005-09-01 Jakub Jelinek <jakub@redhat.com>
7153 * dwarf2out.c (base_type_die): Compare char_type_node with
7154 TYPE_MAIN_VARIANT (type), not type.
7156 2005-09-01 Richard Guenther <rguenther@suse.de>
7158 PR tree-optimization/15366
7159 * common.opt: Add -finline-functions-called-once.
7160 Put -fearly-inlining in alphabetically ordered place.
7161 * doc/invoke.texi: Document new option.
7162 * ipa-inline.c (cgraph_decide_inlining): Honour
7163 flag_inline_functions_called_once.
7165 2005-09-01 Jakub Jelinek <jakub@redhat.com>
7167 PR rtl-optimization/23478
7168 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
7169 (alloc_qty): Initialize it.
7170 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
7171 (combine_regs): Combine also n_throwing_calls_crossed fields.
7172 (find_free_reg): Don't attempt to caller-save pseudos crossing
7173 calls that might throw.
7174 * global.c (struct allocno): Add throwing_calls_crossed field.
7175 (global_alloc): Revert 2005-08-22 change. Initialize
7176 throwing_calls_crossed.
7177 (find_reg): Don't attempt to caller-save pseudos crossing calls that
7180 2005-09-01 Alan Modra <amodra@bigpond.net.au>
7183 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
7184 (mask64_operand): Reinstate code prior to 2005-06-11 change.
7185 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
7186 (and64_2_operand): Tweak to use predicate.
7187 (and_operand): Adjust for mask_operand changes.
7188 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
7189 (print_operand): Likewise.
7190 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
7191 (mask64_1or2_operand): Delete.
7192 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
7193 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
7194 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
7195 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
7196 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
7197 (rotldi3_internal4): Likewise.
7198 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
7199 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
7200 (ashldi3_internal7): Likewise.
7201 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
7202 (ashldi3_internal, ashldi3_internal9 split): Likewise.
7203 (anddi3 split): Don't match mask64_operand.
7204 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
7205 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
7206 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
7207 't' splitter predicate.
7208 (movdi_internal64 + 2): Revert 2005-06-11 change.
7210 2005-08-31 DJ Delorie <dj@redhat.com>
7212 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
7213 (m32c_asm_integer): Add support for 32 bit pointers.
7215 2005-08-31 Richard Henderson <rth@redhat.com>
7217 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
7218 component-like references for setting MEM_NOTRAP_P.
7220 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
7221 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
7223 2005-08-31 Richard Henderson <rth@redhat.com>
7225 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
7226 into a pseudo before applying gen_lowpart.
7228 2005-08-31 Geoffrey Keating <geoffk@apple.com>
7230 * doc/install.texi (Specific): Update cctools version required
7231 for full functionality.
7232 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
7233 linkers as -macosx_version_min.
7235 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
7238 * sh.c (print_operand, %R and %S): Add handling of floating point
7239 registers, memory, constants and invalid operands.
7241 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
7243 * ipa-pure-const.c: Change dump name.
7245 2005-08-31 Uros Bizjak <uros@kss-loka.si>
7248 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
7249 to "reg_or_0_operand".
7250 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
7252 2005-08-31 Dale Johannesen <dalej@apple.com>
7254 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
7255 loops that count down.
7257 2005-08-31 Richard Henderson <rth@redhat.com>
7260 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
7261 (fixup_eh_region_note): New.
7262 (reload_as_needed): Call it.
7263 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
7264 don't call find_many_sub_basic_blocks; call verify_flow_info.
7265 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
7266 (keep_stack_depressed): Likewise.
7267 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
7269 2005-08-31 Richard Henderson <rth@redhat.com>
7271 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
7274 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
7276 * expr.c (expand_expr_real_1): Compare size of address
7277 mode to target's address mode size in deciding expansion of
7278 the constant address.
7280 2005-08-31 Richard Guenther <rguenther@suse.de>
7283 * expr.c (all_zeros_p): New function.
7284 (expand_expr_real_1): Handle the case of an all-zero
7285 non-addressable constructor separately.
7287 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
7289 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
7290 arguments, adjust all callers.
7291 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
7293 2005-08-30 Richard Henderson <rth@redhat.com>
7296 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
7297 whenever the mode sizes match.
7299 2005-08-31 Alan Modra <amodra@bigpond.net.au>
7301 * calls.c (load_register_parameters): Fix comment typo.
7302 * expr.c (emit_push_insn): Comment formatting.
7304 2005-08-30 Ian Lance Taylor <ian@airs.com>
7306 * config/i386/x-cygwin (host-cygwin): Change dependency from
7307 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
7309 2005-08-29 Geoffrey Keating <geoffk@apple.com>
7311 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
7314 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7317 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
7318 call to ggc_collect.
7320 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
7323 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
7324 beginning. Remove $(INCLUDES) from all the rules, if following
7325 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
7327 2005-08-29 Jakub Jelinek <jakub@redhat.com>
7330 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
7331 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
7332 not constant, but maxlen is, don't set len to maxlen, rather
7333 set maxlen to len if len is a constant.
7335 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
7337 PR tree-optimization/23475
7338 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
7341 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
7343 Fix PR middle-end/22455
7345 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
7346 Checksum only the parts of the tree that exist for the tree code.
7348 2005-08-28 Dale Johannesen <dalej@apple.com>
7350 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
7352 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
7354 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
7356 2005-08-28 Richard Henderson <rth@redhat.com>
7358 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
7359 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
7362 2005-08-28 Jakub Jelinek <jakub@redhat.com>
7365 * builtins.c (get_memory_rtx): Don't strip nops
7366 in between COMPONENT_REFs.
7368 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
7371 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
7373 (gimplify_modify_expr): Check for zero sized types and gimplify the
7374 rhs and lhs as statements.
7376 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
7379 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7380 state for return address column of signal frames.
7382 2005-08-27 David Edelsohn <edelsohn@gnu.org>
7385 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7386 bytes >= 2 not bytes == 2.
7387 (expand_block_move): Same.
7389 2005-08-27 Richard Guenther <rguenther@suse.de>
7392 * config/i386/sse.md (sse2_movsd): Add missing closing
7395 2005-08-27 Paul Brook <paul@codesourcery.com>
7397 * genrecog.c (enum decision_type): Add DT_num_insns.
7398 (struct decision_test): Add u.num_insns.
7399 (add_to_sequence): Add DT_num_insns test.
7400 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7401 (write_cond, debug_decision_2): Ditto.
7402 (change_state): Assume peep2_next_insn never fails.
7403 Remove "afterward" argument.
7404 (write afterward, write_tree): Update to match.
7405 * recog.c (peep2_current_count): New variable.
7406 (peep2_next_insn): Check it.
7407 (peephole2_optimize): Set peep2_current_count.
7408 * recog.h (peep2_current_count): Declare.
7410 2005-08-26 Josh Conner <jconner@apple.com>
7413 * ipa-pure-const.c (check_tree): Check for volatile-ness
7414 when considering a dereference.
7416 2005-08-27 Jakub Jelinek <jakub@redhat.com>
7418 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7420 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7422 PR rtl-optimization/23561
7423 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
7424 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7425 at most LEN bytes long memory fits into the field.
7426 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7427 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7428 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7430 2005-08-26 Richard Henderson <rth@redhat.com>
7433 * loop.c (biased_biv_may_wrap_p): New.
7434 (maybe_eliminate_biv_1): Use it to suppress non-equality
7435 comparison transformations. Delete disabled code.
7437 2005-08-26 Ian Lance Taylor <ian@airs.com>
7439 * combine.c (make_extraction): Avoid reference outside object.
7441 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
7443 * stor-layout.c (finalize_type_size): Restore behaviour for
7444 non-aggregate types to the status quo ante of the patch for
7445 pr 23467. Document why it matters.
7447 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7450 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7451 array by one element, initialize the BT_LAST element with NULL.
7453 2005-08-26 David Edelsohn <edelsohn@gnu.org>
7455 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7456 optimizing for size.
7458 (compare_plus_eqsi): Same.
7459 (plus_eqsi_compare): Same.
7460 (neg_eq0<mode>): Same.
7461 (neg_eq<mode>): Same.
7463 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7466 2005-08-26 Nick Clifton <nickc@redhat.com>
7468 * config/v850/v850.c (ep_memory_operand): Return FALSE if
7469 TARGET_EP is not defined.
7470 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7471 TARGET_EP is enabled.
7472 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7473 * config/v850/v850.md (save_all_interrupt): Only use the EP
7474 register if TARGET_EP is defined.
7475 (restore_all_interrupt): Likewise.
7476 * config/v850/lib1funcs.asm: Update functions so that the EP
7477 register is only used if __EP__ is defined.
7479 2005-08-26 David Ung <davidu@mips.com>
7481 * config/mips/mips.c (mips_expand_prologue): Handle case when
7482 generating for MIPS16 and the outgoing argument area is more than
7483 SMALL_OPERAND. Use the frame pointer as temporary to generate the
7486 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
7488 * config/crx/crx.md: Make doloop_end pattern usage controllable
7489 via mloop-nesting=<max-nesting> command line switch. Make sure
7490 the combiner cannot use doloop_end_<mode> in an illegal way.
7491 * config/crx/crx.c: Use regs up to r6 for argument passing.
7492 Refine crx_address_cost (non cst4 displacements are expensive).
7493 * config/crx/crx.opt: Add switch for mloop-nesting=.
7495 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
7497 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7498 (UNSPEC_MVST): New constant.
7500 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
7502 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7503 Reject operands containing eliminable registers.
7504 * testsuite/gcc.dg/20050825-1.c: New testcase.
7506 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7507 Jan Hubicka <jh@suse.cz>
7509 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7511 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7513 PR tree-optimization/23546
7514 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7517 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
7519 * params.def (PARAM_MIN_SPEC_PROB): New.
7520 * sched-rgn.c (MIN_PROBABILITY): Delete.
7521 (compute_trg_info): Convert to PARAM_VALUE.
7522 * doc/invoke.texi (param): Document min-spec-prob.
7524 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
7526 * config/darwin.h: define __PIC__
7527 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7528 TARGET_OS_CPP_BUILTINS macro.
7530 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7532 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7535 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7537 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7539 * cfghooks.c (duplicate_block): Added position where to place
7540 new block as argument.
7541 * cfghooks.h (duplicate_block): Declaration changed.
7542 * cfglayout.c (copy_bbs): Add argument after. Pass it to
7544 * cfglayout.h (copy_bbs): Declaration changed.
7545 * cfgloop.h (loop_version): Declaration changed.
7546 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7547 position to copy_bbs.
7548 (loop_version): Pass position to duplicate_loop_to_header_edge.
7549 Add place_after argument and position new blocks according to
7551 * modulo-sched.c (sms_schedule): Pass place_after argument
7553 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7554 * tree-cfg.c (split_edge_bb_loc): New function.
7555 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7556 to determine position of new blocks.
7557 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7559 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7560 argument to duplicate_block.
7561 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7562 Pass position to copy_bbs.
7564 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7566 * fold-const.c (ptr_difference_const): Use
7567 cst_and_fits_in_hwi instead of host_integerp.
7569 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7571 * config/darwin.c (gen_pic_offset): New.
7572 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
7575 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
7577 PR tree-optimization/23486
7578 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7580 2005-08-23 Phil Edwards <phil@codesourcery.com>
7582 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
7583 remove use_collect2.
7584 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
7586 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
7587 configuration files to override the default value.
7589 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
7590 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7591 * config/vx-common.h: New file, split out from...
7592 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
7593 * config/vxworksae.h: New file, for VxWorks AE.
7594 * config/vxworks.opt: New file.
7595 * config/vxlib.c: Update for VxWorks 6.
7597 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
7598 other MULTILIB_* variables appropriately.
7599 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
7600 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
7601 * config/rs6000/vxworks.h: Update for VxWorks 6.
7602 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
7604 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
7607 * config/darwin.c (machopic_select_section): Remove the hack to
7608 mark "::operator new" and "::operator delete" for coalescing
7609 even though they are not weak.
7611 2005-08-24 Alan Modra <amodra@bigpond.net.au>
7613 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7614 * configure: Regenerate.
7616 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7619 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7621 * convert.c (convert_to_integer, convert_to_vector): Likewise.
7622 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7625 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7627 * config/rs6000/predicates.md (equality_operator): New.
7628 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7629 comparison with a large constant.
7631 2005-08-23 Mark Mitchell <mark@codesourcery.com>
7633 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7635 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
7637 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7638 registers is even, and we have a hardware double precision fp,
7640 (sh_gimplify_va_arg_expr): For floating point arguments, consider
7641 size of current argument when checking if argument was passed in
7644 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7647 * stor-layout.c (finalize_type_size): Dont override
7648 existing alignment with a smaller alignment from the mode.
7650 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7652 * lambda-code.c (lambda_vector_lexico_pos): Moved...
7653 * lambda.h (lambda_vector_lexico_pos): ... here.
7654 * tree-data-ref.c (build_classic_dist_vector): Return false when
7655 the distance vector is lexicographically negative.
7657 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7659 PR tree-optimization/23511
7660 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7661 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7663 2005-08-23 Jakub Jelinek <jakub@redhat.com>
7665 PR tree-optimization/22043
7666 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7667 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7668 If ALLOW_FLEXARR, handle types ending with flexible array member.
7669 Pass false as second argument to recursive count_type_elements calls.
7670 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7671 argument to count_type_elements call.
7672 * tree-sra.c (decide_block_copy): Likewise.
7673 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7674 for a constant-sized object, set cleared as well. Pass true as
7675 second argument to count_type_elements call.
7677 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7680 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7681 from legitimate_small_data_p, and make global. Update use.
7682 Remove forward declaration.
7683 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7685 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7687 2005-08-23 David Edelsohn <edelsohn@gnu.org>
7689 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7690 of scratch intermediates.
7691 (eq<mode>_compare): Same.
7692 (neg_eq0<mode>): New.
7693 (neg_eq<mode>): Convert to define_insn_and_split.
7695 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7698 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7699 stdarg functions, set/clear the fp marker even when no variable
7701 * config/rs6000/sysv4.opt (mprototype): Describe.
7703 2005-08-22 Jakub Jelinek <jakub@redhat.com>
7705 PR rtl-optimization/23478
7706 * regs.h (reg_info): Add throw_calls_crossed.
7707 (REG_N_THROWING_CALLS_CROSSED): Define.
7708 * flow.c (allocate_reg_life_data): Initialize
7709 REG_N_THROWING_CALLS_CROSSED.
7710 (propagate_one_insn, attempt_auto_inc): Update
7711 REG_N_THROWING_CALLS_CROSSED.
7712 * global.c (global_alloc): Don't allocate pseudos across
7713 calls that may throw.
7715 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
7718 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7719 value is inbetween the range if we did not find an exact match.
7721 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
7723 * doc/invoke.texi (Option Summary): Add ms1 options.
7724 * doc/extend.texi: Document interrupt handler attribute for ms1.
7725 * doc/md.texi: Document ms1 constraints.
7726 * config.gcc: Add ms1-*-elf.
7727 * config/ms1/ms1.h: New.
7728 * config/ms1/ms1.c: New.
7729 * config/ms1/ms1.md: New.
7730 * config/ms1/ms1-protos.h: New.
7731 * config/ms1/ABI.txt: New.
7732 * config/ms1/crti.asm: New.
7733 * config/ms1/crtn.asm: New.
7734 * config/ms1/lib2extra-funcs.c: New.
7735 * config/ms1/t-ms1: New.
7736 * config/ms1/ms1.opt: New.
7738 2005-08-22 Ira Rosen <irar@il.ibm.com>
7740 * config/rs6000/altivec.md (xorv4sf3): New.
7741 (negv4sf2, neg<mode>2): Likewise.
7743 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
7746 * config/ia64/ia64.md (divsi3): Check divide by zero.
7747 (udivsi3): Likewise.
7749 (udivdi3): Likewise.
7751 2005-08-21 Jakub Jelinek <jakub@redhat.com>
7753 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7754 up to elem_bitsize bits, not max_bitsize.
7756 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7758 PR tree-optimization/23433
7759 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7760 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7762 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7764 PR tree-optimization/23434
7765 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7766 the iteration bound is not an INTEGER_CST.
7768 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
7770 * tree-vect-transform.c (get_initial_def_for_reduction): Set
7771 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7772 NULL if need_epilog_adjust is false.
7773 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7774 Case 3 always peels first itration, not just for PLUS case, and no need
7775 to use scalar_initial_def here. Create an epilog adjustment only if
7776 scalar_initial_def is not NULL.
7778 (vectorizable_reduction): Remove assert.
7780 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
7783 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7784 (__moddi3): Likewise.
7785 (__udivdi3): Likewise.
7786 (__umoddi3): Likewise.
7787 (__divsi3): Likewise.
7788 (__modsi3): Likewise.
7789 (__udivsi3): Likewise.
7790 (__umodsi3): Likewise.
7792 2005-08-20 Jakub Jelinek <jakub@redhat.com>
7794 * tree-pass.h (TDF_GRAPH): Define.
7795 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7796 * passes.c (finish_optimization_passes): Only call
7797 finish_graph_dump_file if TDF_GRAPH is set.
7798 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7799 NULL. Set TDF_GRAPH bit.
7800 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7802 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
7804 * arm.h (arm_stack_offsets): Add locals_base field.
7805 * arm.c (arm_get_frame_offsets): Compute it.
7806 (thumb_compute_initial_elimination offset): Make the Thumb frame
7807 pointer point to the base of the local variables.
7808 (thumb_expand_prologue): Update accordingly.
7809 (thumb_expand_epilogue): Likewise.
7811 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
7812 mode of clobbered scratch to DImode. Handle a case that's known to
7815 2005-08-19 David Edelsohn <edelsohn@gnu.org>
7817 * config/rs6000/rs6000.md (gt0<mode>): Delete.
7818 (gt0<mode>_compare): Delete.
7819 (neg_gt0<mode>): Delete.
7821 2005-08-19 Eric Christopher <echristo@apple.com>
7823 * optabs.h: Change CTI_ to COI_.
7826 2005-08-19 James E Wilson <wilson@specifix.com>
7828 * builtins.c (expand_builtin_return_addr): Set
7829 current_function_accesses_prior_frames when count != 0. Use
7830 frame_pointer_rtx when count == 0.
7831 * function.h (struct function): Add accesses_prior_frames field.
7832 (current_function_accesses_prior_frames): Define.
7833 * reload1.c (init_elim_table): Check
7834 current_function_accesses_prior_frames.
7835 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7837 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7839 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7840 indicator. Return true if the flowgraph changed during
7843 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7846 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7847 conditional expression before testing its value.
7849 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7851 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7853 2005-08-19 Devang Patel <dpatel@apple.com>
7855 PR tree-optimization/23048
7856 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7857 third parameter. Check whether latch is dominated by exit
7859 (if_convertible_loop_p): Supply exit block itself to
7860 if_convertible_bb_p.
7862 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
7865 * arm.md (arm_load_pic_register): Change argument to the mask of
7866 saved registers. Call thumb_find_work_register if we need a
7867 scratch register on Thumb.
7868 (arm_expand_prologue): Pass empty register set to
7869 arm_load_pic_register.
7870 (thumb_expand_prologue): Pass live_regs_mask directly to
7871 arm_load_pic_register.
7872 * arm-protos.h (arm_load_pic_register): Update prototype.
7874 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
7876 * sh.c (find_sole_member): New function.
7877 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7878 if the record's alignment is larger than the size of its only member.
7880 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
7883 * arm.c (thumb_legitimize_reload_address): New function.
7884 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7885 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7887 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
7889 * config/crx/crx.c: Implement crx_decompose_address. Reject
7890 symbolic displacements since CRX register relative adressing
7891 mode can't handle unsigned 32-bit values as displacements.
7892 * config/crx/crx.h: Simplify definitions, remove redundant
7893 parenthesis and obsolete macros.
7894 * config/crx/crx.opt: Add new switch for debugging addresses.
7895 * config/crx/crx-protos.h: Add new declarations for above.
7897 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
7900 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7903 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7905 * collect2.c (dup2): Delete.
7906 * configure.ac: Don't check for dup2.
7908 * config.in, configure: Regenerate.
7910 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
7912 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7913 record with the type of its only member.
7915 2005-08-18 David Edelsohn <edelsohn@gnu.org>
7917 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7918 define_insn_and_split.
7919 (plus_ltu<mode>_compare): Same.
7920 (gtu<mode>_compare): Same.
7921 (plus_gtu<mode>_compare): Same.
7923 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
7925 PR tree-optimization/22228
7926 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7928 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7929 are recorded in vect_vnames_to_rename for renaming.
7930 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7931 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7932 in vect_vnames_to_rename.
7933 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7934 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7936 2005-08-18 Jan Hubicka <jh@suse.cz>
7939 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7940 info only for local statics, not for member variables.
7942 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7944 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7946 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7948 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7950 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
7953 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7955 2005-08-17 James E Wilson <wilson@specifix.com>
7957 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7960 2005-08-17 David Edelsohn <edelsohn@gnu.org>
7962 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7963 (leu<mode>_compare): Same.
7964 (plus_leu<mode>): Same.
7965 (neg_leu<mode>): Same.
7966 (and_neg_leu<mode): Same.
7967 (ltu<mode>_compare): Same.
7968 (plus_ltu<mode>): Same.
7970 (geu<mode>_compare): Same.
7971 (plus_geu<mode>): Same.
7972 (neg_geu<mode>): Same.
7973 (and_neg_geu<mode>): Same.
7974 (plus_gt<mode>): Same.
7975 (gtu<mode>_compare): Same.
7976 (plus_gtu<mode>): Same.
7978 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
7980 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7981 Move call_table_data to end. Delete spurious .text.
7982 (callt_save_all_interrupt): Fix comment typo.
7984 2005-08-17 James E Wilson <wilson@specifix.com>
7985 Kevin Winchester <winchester@amirix.com>
7988 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7990 2005-08-17 Uros Bizjak <uros@kss-loka.si>
7993 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7994 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7996 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
7998 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7999 record with the type of its only member if the modes don't match.
8001 * varasm.c (decode_reg_name): Skip empty additional register names.
8003 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8005 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
8006 lsm_tmp_name_length): New.
8007 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
8008 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
8010 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
8011 Andreas Krebbel <krebbel1@de.ibm.com>
8013 * config.gcc: Added z9-109 switch.
8014 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
8015 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
8016 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
8017 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
8018 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
8019 for "z9_109" cpu attribute.
8020 * config/s390/s390.c (z9_109_cost): New processor cost structure.
8021 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
8022 (s390_handle_arch_option): Added z9-109 switch.
8023 (override_options): Set respective cost function for z9-109.
8024 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
8025 (legitimate_reload_constant_p): Accept extended immediates.
8026 (print_operand): Three new output modifiers added: k, m and o.
8027 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
8028 (s390_output_mi_thunk): Use extended immediate when possible.
8029 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
8030 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
8031 (CONSTRAINT_LEN): Added length of O constraint.
8032 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
8033 * config/s390/s390.md ("cpu"): New value z9_109 added.
8034 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
8035 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
8036 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
8037 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
8038 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
8039 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
8040 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
8041 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
8042 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
8043 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8044 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
8045 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
8046 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
8047 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
8048 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
8050 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
8051 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
8052 insns for TARGET_EXTIMM.
8054 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
8056 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
8058 2005-08-17 Nick Clifton <nickc@redhat.com>
8060 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
8061 Call default_encode_section_info.
8063 2005-08-17 Steven Bosscher <stevenb@suse.de>
8065 PR tree-optimization/21574
8066 * tree-ssa-ccp.c (likely_value): If the right hand side is a
8067 constant, return CONSTANT.
8068 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
8069 (ccp_fold, visit_assignment): Likewise.
8070 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
8072 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
8074 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
8075 fold_buildN instead of buildN then fold_initializer or fold.
8076 (build_unary_op): Likewise.
8077 (build_binary_op): Likewise.
8078 * fold-const.c (fold_initializer): Remove.
8079 (fold_build1_initializer): New function.
8080 (fold_build2_initializer): New function.
8081 (fold_build3_initializer): New function.
8082 * tree.h (fold_initializer): Remove.
8083 (fold_build1_initializer): New function.
8084 (fold_build2_initializer): New function.
8085 (fold_build3_initializer): New function.
8087 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
8089 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
8090 (try_move_mult_to_index): Call fold_build2 instead of build2.
8091 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
8092 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
8093 fold_binary_to_constant.
8094 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
8096 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
8097 check if A == gcd (A, B). Remove TYPE argument.
8098 (analyze_offset) Use fold_build2 instead of fold (build.
8099 (create_data_ref): Likewise.
8100 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
8101 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
8104 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
8106 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
8107 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
8109 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
8112 * gimplify.c (zero_sized_type): New function.
8113 (gimplify_modify_expr_rhs): If we have a zero sized type,
8114 replace the statement with an empty statement.
8116 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
8118 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
8121 2005-08-16 Ian Lance Taylor <ian@airs.com>
8123 * doc/tm.texi (Label Output): Correct typo.
8125 2005-08-16 Steven Bosscher <stevenb@suse.de>
8128 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
8129 force_operand will work later on using have_insn_for.
8131 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8133 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
8135 2005-08-16 Ian Lance Taylor <ian@airs.com>
8138 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
8139 vector type, don't try to construct it element by element. Add an
8140 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
8142 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8144 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
8146 2005-08-16 Geoffrey Keating <geoffk@apple.com>
8148 * doc/invoke.texi (Precompiled Headers): Document some more options
8149 which are known to be safe.
8151 2005-08-16 James E Wilson <wilson@specifix.com>
8153 PR tree-optimization/21105
8154 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8155 TREE_OVERFLOW check.
8157 2005-08-16 David Edelsohn <edelsohn@gnu.org>
8159 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
8160 (neg_ltu<mode>): Same.
8162 (neg_gtu<mode>): Same.
8164 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8166 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
8167 (fold_builtin_isdigit): Use fold_buildN.
8168 (build_function_call_expr): Likewise.
8169 * c-typeck.c (c_finish_loop): Likewise.
8171 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
8172 Richard Shann <rshann@superh.com>
8174 PR middle-end/20396:
8175 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
8177 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
8179 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
8181 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
8184 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
8185 arm_compure_save_reg0_reg12_mask to determine when the PIC register
8188 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8191 * fold-const.c (build_range_check): Disable optimization for function
8192 pointer expressions on targets that require function pointer
8195 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
8197 * simplify-rtx.c (simplify_const_relational_operation): When
8198 extracting arguments of a COMPARE, recompute the mode as well.
8200 2005-08-15 Ian Lance Taylor <ian@airs.com>
8202 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
8204 2005-08-15 DJ Delorie <dj@redhat.com>
8206 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
8208 (movsi_splittable): Allow, but split, moves to the stack.
8209 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
8212 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8214 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
8215 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
8216 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
8218 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
8219 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
8220 Delete HOST_PTR_PRINTF.
8222 * configure, config.in: Regenerate.
8224 2005-08-15 David Edelsohn <edelsohn@gnu.org>
8226 * config/rs6000/rs6000.md (QHSI): New mode macro.
8227 (wd): Extend mode attr for QImode and HImode
8228 (dbits): New mode attr.
8229 (zero_extend<mode>di2): Convert to mode macro.
8231 2005-08-15 Steve Ellcey <sje@cup.hp.com>
8234 * doc/invoke.texi (-mgnu-ld): Update description.
8237 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
8240 * Makefile.in (tree-chrec.o): Depends on real.h.
8241 * tree-chrec.c: Include real.h.
8242 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
8243 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
8244 * tree-scalar-evolution.c (add_to_evolution_1,
8245 interpret_rhs_modify_expr): Ditto.
8247 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
8250 * tree-data-ref.c (estimate_niter_from_size_of_data): When
8251 step is negative compute the estimation from init downwards to zero.
8253 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
8255 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
8257 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
8259 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
8261 (legitimate_reload_constant_p): Fix handling of lliXX operands.
8262 Accept double-word constants that can be split.
8263 * config/s390/s390.md ("movti"): Use 'P' constraint.
8264 ("*movdi_31", "*movdf_31"): Likewise.
8266 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
8268 Fix PR tree-optimization/22615
8270 * tree-ssa-structalias.c (solution_set_add): Handle
8271 first_vi_for_offset returning NULL.
8272 (do_da_constraint): Ditto.
8273 (do_sd_constraint): Ditto.
8274 (do_ds_constraint): Ditto
8275 (find_func_aliases): Ditto.
8276 (build_constraint_graph): RHS is allowed be ANYTHING.
8277 (first_vi_for_offset): Return NULL if we couldn't find anything at
8280 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
8282 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
8283 over memory as first operand.
8285 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
8288 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
8289 available for setting it.
8291 2005-08-14 Ira Rosen <irar@il.ibm.com>
8293 PR tree-optimization/23320
8294 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
8295 data-refs' types instead of base object nullness. Add check for
8296 pointer type data-refs before first location comparison. Remove
8299 2005-08-14 Andreas Schwab <schwab@suse.de>
8301 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
8303 2005-08-13 James E Wilson <wilson@specifix.com>
8305 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
8306 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
8307 -fstack-protector-all, --param ssp-buffer-size): Document.
8308 (-Wvariadic-macros): Alphabetize.
8309 (-fsched-stalled-insns-dep): Add missing 'f'.
8311 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
8314 2005-08-13 David Edelsohn <edelsohn@gnu.org>
8316 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
8317 or indirect address operand.
8318 (EXTRA_ADDRESS_CONSTRAINT): New.
8319 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
8321 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
8323 PR tree-optimization/22236
8324 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
8325 successors and predecessors.
8326 * tree-chrec.c (chrec_convert): Before converting, check that
8327 sequences don't wrap.
8328 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
8329 (analyze_array): Extern.
8330 (find_data_references_in_loop): Remove call to
8331 compute_estimated_nb_iterations.
8332 * tree-data-ref.h (analyze_array): Declared.
8333 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
8334 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
8335 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
8336 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
8338 * tree-ssa-loop-ivcanon.c: Fix documentation.
8339 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
8340 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
8341 (infer_loop_bounds_from_undefined): New.
8342 (estimate_numbers_of_iterations_loop): Use
8343 infer_loop_bounds_from_undefined.
8344 (used_in_pointer_arithmetic_p): New.
8345 (scev_probably_wraps_p): Pass an extra parameter. Call
8346 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
8347 (convert_step): Fix documentation.
8348 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
8349 Use initial_condition_in_loop_num and evolution_part_in_loop_num
8350 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
8351 scev_probably_wraps_p.
8353 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
8355 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
8356 (s390_register_info): Ignore clobbered_regs information for fixed
8357 registers, and only fixed registers.
8358 (s390_init_frame_layout): Remove redundant call.
8360 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
8362 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
8363 description of -Wold-style-casts.
8365 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8366 Jakub Jelinek <jakub@redhat.com>
8368 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8369 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
8370 * config/s390/s390.c (print_operand): New output modifier 'G' added.
8371 (get_thread_pointer): Renamed to s390_get_thread_pointer.
8372 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
8373 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
8374 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8375 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8376 ("stack_protect_set", "stack_protect_test"): New expanders.
8377 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8378 "stack_protect_testdi"): New insn definitions.
8380 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8382 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8384 2005-08-12 Paul Brook <paul@codesourcery.com>
8386 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8388 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8390 * config/s390/predicates.md (setmem_operand): New predicate.
8391 (shift_count_operand): Accept ANDs with special constants as
8393 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8394 with special constants.
8395 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8396 shift_count_operand with setmem_operand.
8398 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8400 * config/s390/s390.c (s390_extract_part, s390_single_part):
8402 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8403 (s390_output_mi_thunk): Don't use lg on 31 bit.
8404 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8405 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8407 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8409 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8410 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8411 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8412 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8413 with one of the new macros.
8415 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8417 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8418 Don't set save_return_addr_p.
8419 (s390_register_info): Make clobbered_regs not depending on
8422 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
8424 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8425 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8427 2005-08-11 James E. Wilson <wilson@specifix.com>
8429 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8431 2005-08-11 Jakub Jelinek <jakub@redhat.com>
8433 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8434 locations gathered by var-tracking in single entry loc_list
8435 over loc_descriptor_from_tree.
8437 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8438 pass it down to loc_descriptor.
8439 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8440 (containing_function_has_frame_base): Move earlier in the file.
8441 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8442 instead of always assuming fbreg can't be used.
8444 2005-08-11 David Edelsohn <edelsohn@gnu.org>
8446 * config/rs6000/altivec.md: Change constraint "m" to "Z".
8447 * config/rs6000/predicates.md (indexed_or_indirect_operand):
8448 Accept address wrapped in AND for Altivec.
8449 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8450 Strip AND wrapping offset address for Altivec.
8452 2005-08-11 Richard Henderson <rth@redhat.com>
8455 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8456 before using TYPE_IS_SIZETYPE.
8458 2005-08-11 Richard Henderson <rth@redhat.com>
8461 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8462 insn types not present on ev4.
8463 (alphaev5_insn_pipe): Similarly.
8465 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
8468 * arm.c (arm_override_options): If the user has selected callee-super-
8469 interworking, then enable normal interworking.
8471 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8473 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8476 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
8478 * doc/rtl.texi: Fix two typos.
8480 2005-08-11 Richard Guenther <rguenther@suse.de>
8483 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8484 cases where we call to/from functions returning void.
8486 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
8489 * tree.c (build_pointer_type_for_mode): Robustify.
8491 2005-08-10 James E Wilson <wilson@specifix.com>
8493 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8494 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8496 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8499 2005-08-10 Eric Christopher <echristo@apple.com>
8501 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8502 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8505 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
8508 * config/darwin.c (machopic_indirect_data_reference): Use a new register
8509 for the high part when generating dynamic-no-pic code.
8511 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
8513 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8514 (x86_64-*-linux*): Likewise.
8516 * config/i386/crtfastmath.c: New file.
8517 * config/i386/t-crtfm: Likewise.
8519 * config/i386/linux.h (ENDFILE_SPEC): New.
8520 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8522 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8525 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
8527 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8528 (vec_shl, vec_shr): Document new operations.
8529 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8531 2005-08-10 David Edelsohn <edelsohn@gnu.org>
8533 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8534 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8535 change predicate to indexed_or_indirect_address.
8537 2005-08-10 Richard Sandiford <richard@codesourcery.com>
8539 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8540 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8541 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8542 and __aeabi_uwrite8.
8543 * config/arm/unaligned-funcs.c: New file.
8544 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8546 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
8548 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8550 * cfglayout.c (pass_insn_locators_initialize): Add dump.
8551 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8553 * except.c (pass_convert_to_eh_region_ranges): Add dump.
8554 * final.c (pass_shorten_branches): Add dump.
8555 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8556 (pass_life): Rename dump.
8557 (rest_of_handle_flow2): Remove initial verify_flow_info.
8558 * function.c (pass_instantiate_virtual_regs): Add dump.
8559 * integrate.c (pass_initial_value_sets): Add dump.
8560 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8561 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8562 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8563 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8564 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8565 gate_rtl_unrool_and_peel_loops): New.
8566 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8567 rtl_doloop): Do not look at flags.
8568 * mode-switching.c (pass_mode_switching): Add dump.
8569 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8570 pass_split_before_regstack): Add dump.
8571 * regmove.c (pass_stack_adjustments): Add dump.
8572 * tree-optimize.c (pass_fixup_cfg): Add dump.
8574 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8577 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8578 deciding which instruction sequence to use.
8580 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
8582 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8583 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8585 2005-08-09 Richard Guenther <rguenther@suse.de>
8587 * c-common.c (builtin_function_2): Remove.
8588 (def_builtin_1): New function.
8589 (c_common_nodes_and_builtins): Use def_builtin_1 to
8590 build builtin functions.
8592 2005-08-09 Jie Zhang <jie.zhang@analog.com>
8594 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8595 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8596 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8599 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8601 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8602 fold_binary instead of fold_build2 since we don't care about the
8604 (loop_niter_by_eval): Likewise.
8605 (compare_trees): Likewise.
8606 (proved_non_wrapping_p): Likewise.
8608 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8612 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8613 if the if is really empty.
8615 2005-08-09 Steven Bosscher <stevenb@suse.de>
8617 PR tree-optimization/23234
8618 * tree-ssa-math-opts.c (place_reciprocal): New enum.
8619 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8620 argument of the new enum.
8621 (execute_cse_reciprocals): Add reciprocals for function arguments
8622 on the unique successor edge of the entry block. Update other calls
8623 to execute_cse_reciprocals_1.
8625 2005-08-08 Richard Henderson <rth@redhat.com>
8628 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8630 2005-08-08 Bob Wilson <bob.wilson@acm.org>
8632 * expr.c (write_complex_part): Return after handling MEM.
8634 2005-08-08 Josh Conner <jconner@apple.com>
8636 PR rtl-optimization/23241
8637 * combine.c (simplify_comparison): Fix error in determining
8638 whether to lift a subreg from comparison.
8640 2005-08-08 David Edelsohn <edelsohn@gnu.org>
8643 * config/rs6000/altivec.md (vec_init<mode>): New.
8644 (vec_set<mode>): New.
8645 (vec_extract<mode>): New.
8646 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8647 (rs6000_expand_vector_set): New.
8648 (rs6000_expand_vector_extract): New.
8649 (rs6000_legitimate_offset_address_p): Offset addresses are valid
8650 for Altivec modes before reload.
8651 (altivec_expand_vec_init_builtin): New.
8652 (get_element_number): New.
8653 (altivec_expand_vec_set_builtin): New.
8654 (altivec_expand_vec_ext_builtin): New.
8655 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8657 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8659 * config/rs6000/rs6000.h (rs6000_builtins): Add
8660 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8661 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8662 * config/rs6000/rs6000-protos.h: Declare new functions.
8664 2005-08-08 Jan Hubicka <jh@suse.cz>
8666 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8667 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8668 * i386.md (movdi*): Use pic_32bit_operand.
8669 * predicates.md (pic_32bit_operand): New.
8671 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
8674 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8676 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
8678 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8679 (test_for_singularity): Use fold_build2.
8681 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8683 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8685 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
8687 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8688 (COMMON_ASM_OP) Define.
8689 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8690 (ix86_encode_section_info): Likewise.
8691 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8692 SUBTARGET_ENCODE_SECTION_INFO.
8694 2005-08-06 Richard Henderson <rth@redhat.com>
8697 * tree-nested.c (convert_local_reference): Save and restore val_only
8698 around component_ref and friends. Clear walk_subtrees by default.
8700 2005-08-06 Peter O'Gorman <peter@pogma.com>
8703 * gcc.c (process_command): Check the argument to -b has a dash.
8704 * doc/invoke.texi: Update -b and -V docs.
8706 2005-08-06 James E Wilson <wilson@specifix.com>
8708 * config/mips/cross64.h, config/mips/t-cross64: Delete.
8710 2005-08-06 Michael Matz <matz@suse.de>
8712 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8713 member only if only one insn is associated with the value.
8715 2005-08-06 Nick Clifton <nickc@redhat.com>
8717 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8719 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8720 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8721 Check symbol flags instead of symbol name mangling.
8722 (xstormy16_asm_output_aligned_common): Likewise. Also
8723 simplify code since the bss100_section cass is the only case
8724 where the below100 code will be triggered.
8725 (xstormy16_encode_section_info): Encode below100 attribute
8726 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8728 (xstormy16_strip_name_encoding): Delete - this function is no
8730 (TARGET_STRIP_NAME_ENCODING): Undefine.
8731 * config/stormy16/stormy16-protos.h: Delete prototype for
8732 xstormy16_strip_name_encoding.
8734 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
8736 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8737 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8738 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8739 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8740 config/alpha/predicates.md, config/arc/arc.h,
8741 config/arm/arm.h, config/arm/ieee754-df.S,
8742 config/arm/ieee754-sf.S, config/bfin/bfin.c,
8743 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8744 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8745 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8746 config/m68hc11/m68hc11.h, config/mips/mips.c,
8747 config/mips/mips.h, config/mips/openbsd.h,
8748 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8749 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8750 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8751 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8752 config/sparc/linux.h, config/sparc/linux64.h,
8753 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8754 doc/extend.texi, doc/gcov.texi, doc/install.texi,
8755 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8756 typos. Follow spelling conventions.
8758 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
8761 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8762 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8763 specially. Check for side effects only for COND_EXPR.
8764 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8765 return with TREE_NO_WARNING.
8767 2005-08-06 Richard Sandiford <richard@codesourcery.com>
8769 PR rtl-optimization/23233
8770 * loop.c (combine_movables): Require the modes to be the same.
8771 (move_movables): Remove handling of cases where the replacement
8772 had a different mode to the original.
8774 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
8776 PR tree-optimization/23128
8777 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8778 subtraction wrap, and set TREE_OVERFLOW if they do.
8780 2005-08-05 Richard Henderson <rth@redhat.com>
8783 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8784 FORCED_LABEL labels.
8786 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
8789 * reload.c (find_reloads_subreg_address): Pass down TYPE
8790 unchanged. Change all callers except find_reloads_toplev.
8792 2005-08-05 Michael Matz <matz@suse.de>
8794 * genattrtab.c (current_alternative_string): Remove.
8795 (SIMPLIFY_ALTERNATIVE): Ditto.
8796 (attr_alt_bit_p): Ditto.
8797 (alternative_name): Make const char *.
8798 (evaluate_eq_attr): Remove use of above things.
8799 (simplify_test_exp): Ditto.
8800 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8801 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8803 2005-08-04 James E Wilson <wilson@specifix.com>
8805 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8806 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8807 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8808 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8809 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8811 2005-08-04 Richard Henderson <rth@redhat.com>
8814 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8815 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8816 * tree-sra.c (decide_block_copy): Use it. Disable element copy
8817 if we'd have to instantiate too many members.
8819 2005-08-04 Richard Henderson <rth@redhat.com>
8822 * tree-outof-ssa.c (coalesce_asm_operands): New.
8823 (coalesce_ssa_name): Use it. Split out ...
8824 (coalesce_phi_operands, coalesce_result_decls): ... these.
8826 2005-08-04 Paul Brook <paul@codesourcery.com>
8828 * read-rtl.c (read_quoted_string): Break if EOF.
8830 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
8832 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8833 (fold_build2): Likewise.
8834 (fold_build3): Likewise.
8835 (fold_build1_stat): New function prototype.
8836 (fold_build2_stat): Likewise.
8837 (fold_build3_stat): Likewise.
8838 * fold-const.c (fold_build1): Rename to ..
8839 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8840 through to build1_stat.
8841 (fold_build2): Rename to ..
8842 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8843 through to build2_stat.
8844 (fold_build3): Rename to ..
8845 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8846 through to build3_stat.
8848 2005-08-04 David Edelsohn <edelsohn@gnu.org>
8849 Ian Lance Taylor <ian@airs.com>
8851 * function.c (assign_stack_local_1): Do not correct stack slot
8852 address if allocation size is smaller than mode size.
8854 2005-08-04 Diego Novillo <dnovillo@redhat.com>
8857 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8858 (tree_merge_blocks): Propagate anything allowed by
8860 Clarify documentation.
8861 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8862 SSA form, schedule an update if necessary.
8864 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
8866 * doc/install.texi (Binaries): Remove broken link to
8867 Sinix/Reliant Unix binaries.
8869 2005-08-03 Richard Henderson <rth@redhat.com>
8872 * function.c (stack_protect_epilogue): Export.
8873 * tree.h (stack_protect_epilogue): Declare.
8874 * calls.c (expand_call): Call it.
8876 2005-08-03 Eric Christopher <echristo@apple.com>
8878 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8879 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8882 2005-08-04 Jan Hubicka <jh@suse.cz>
8884 * profile.c (branch_prob): Split edges with goto locus on them
8885 to get proper line counts.
8886 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8888 2005-08-03 Paul Brook <paul@codesourcery.com>
8890 * function.c (assign_parms): Round current_function_args_size
8891 to PARM_BOUNDARY, not STACK_BOUNDARY.
8893 2005-08-03 Geoffrey Keating <geoffk@apple.com>
8895 * config/i386/i386.c (x86_elf_aligned_common)
8896 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8898 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
8900 PR tree-optimization/23157
8901 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8902 before emitting them.
8904 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8906 PR tree-optimization/19899
8907 * Makefile.in (tree-scalar-evolution.o): Add real.h.
8908 * tree-scalar-evolution.c: Include real.h.
8909 (add_to_evolution): Build constant -1 of correct type.
8911 2005-08-03 Jan Hubicka <jh@suse.cz>
8913 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8914 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8915 profile updating for complette unrolling.
8916 * loop-unroll.c (peel_loop_completely): Use it.
8917 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8918 (tree_unroll_loops_completely): Disable code growing unrolling of cold
8921 2005-08-03 Paul Brook <paul@codesourcery.com>
8923 * combine.c (can_change_dest_mode): New function.
8924 (try_combine, simplify_set): Use it.
8926 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
8928 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8931 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
8933 * doc/install.texi (Specific): Adjust link to openavr.org.
8934 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8935 (Binaries): Adjust HP-UX Porting Center link.
8936 (Binaries): Adjust Free Software Foundation ordering link.
8938 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
8940 * convert.c (convert_to_integer): Use fold_build1 instead of
8941 build1 when converting an integer to an integer.
8943 2005-08-02 Richard Henderson <rth@redhat.com>
8945 * combine.c (combine_instructions): Don't use reg_equal/equiv
8946 results if the mode doesn't match.
8948 2005-08-02 Mark Mitchell <mark@codesourcery.com>
8950 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8951 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8953 2005-08-02 Richard Henderson <rth@redhat.com>
8956 * explow.c (memory_address): Remove special-case for
8957 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8959 2005-08-02 Diego Novillo <dnovillo@redhat.com>
8962 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8963 number of calls to cleanup_tree_cfg_1.
8965 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
8967 * doc/invoke.texi: document file extensions .F90 and .F95
8969 2005-08-02 Richard Guenther <rguenther@suse.de>
8971 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8972 positive if its first argument is positive.
8974 2005-08-02 Richard Guenther <rguenther@suse.de>
8976 PR tree-optimization/23177
8977 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8980 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
8982 PR tree-optimization/23129
8983 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8984 varying for divisions with anti-ranges.
8986 2005-08-02 Jan Hubicka <jh@suse.cz>
8988 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8989 * tree-ssa-threadupdate.c (thread_block): Add it here.
8991 2005-08-01 James E Wilson <wilson@specifix.com>
8993 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8994 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8995 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8997 * config/mips/predicates.md (const_call_insn_operand): Add check for
8998 SYMBOL_REF_LONG_CALL_P.
8999 * doc/extend.texi (long_call): Document the new attribute.
9001 2005-08-01 Ian Lance Taylor <ian@airs.com>
9002 Richard Henderson <rth@redhat.com>
9004 * Makefile.in (RTL_BASE_H): Add real.h.
9005 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
9007 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
9009 * rtl.c (rtl_check_failed_code_mode): New.
9010 * rtl.h (struct rtx_def): Add u.rv.
9011 (XCMWINT, XCNMPRV): New.
9012 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
9013 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
9015 2005-08-01 Richard Henderson <rth@redhat.com>
9017 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
9018 with auto-inc codes.
9020 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
9022 2005-08-01 Jan Hubicka <jh@suse.cz>
9024 * i386-protos.h (asm_preferred_eh_data_format): Declare.
9025 * i386.c: Include dwarf2.h
9026 (asm_preferred_eh_data_format): New.
9027 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
9029 2005-08-01 Ian Lance Taylor <ian@airs.com>
9031 * config/host-linux.c (linux_gt_pch_get_address): Add new name
9032 randomize_va_space for virtual address randomization control.
9034 2005-08-01 Steven Bosscher <stevenb@suse.de>
9036 * common.opt (flag_ipa_cp): Put in right place to maintain
9039 2005-08-01 Jan Hubicka <jh@suse.cz>
9041 * profile.c (compute_value_histograms): Fix thinko.
9042 * value-prof.c: Include toplev.h
9043 (check_counter): New function.
9044 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
9045 tree_mod_subtract_transform): Add sanity check.
9047 2005-08-01 Richard Guenther <rguenther@suse.de>
9049 PR tree-optimization/23133
9050 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
9051 current functions parameter decls to find defs to cse
9054 2005-08-01 Richard Guenther <rguenther@suse.de>
9056 PR tree-optimization/23109
9057 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
9058 If trapping math is in effect, use post-dominator information
9059 to check if we'd in any case reach a trapping point before
9060 doing the reciprocal insertion.
9061 (execute_cse_reciprocals): Compute post-dominators, if necessary.
9062 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
9063 expressions are invariant only if trapping math is not in effect.
9065 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
9067 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
9068 cgraph_function_versioning): New declarations.
9069 * cgraphunit.c: Add include to ipa-prop.h.
9070 (update_call_expr, cgraph_copy_node_for_versioning,
9071 cgraph_function_versioning): New functions.
9072 * integrate.c (copy_decl_for_inlining): Remove.
9073 * ipa-prop.h (ipa_replace_map): New struct.
9074 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
9075 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
9076 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
9077 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
9078 ipcp_iterate_stage, ipcp_method_scale_print,
9079 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
9080 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
9081 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
9082 ipcp_update_bb_counts, ipcp_update_profiling,
9083 ipcp_update_edges_counts): New functions.
9084 (ipcp_method_cval_init): Remove restriction regarding local methods.
9085 (ipcp_init_stage): Add ipcp_method_compute_scale.
9086 (ipcp_insert_stage): Add versioning.
9087 (ipcp_structures_print): Add ipcp_method_scale_print.
9088 (ipcp_driver): Dump profiling info.
9089 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
9090 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
9091 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
9092 (struct inline_data): Add versioning_p, ipa_info, new fields.
9093 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
9094 declare_return_variable): Replace calls to copy_decl_for_inlining with
9096 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
9098 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
9099 Add argument VERSIONING.
9100 (copy_arguments_for_versioning, copy_static_chain,
9101 function_versionable_p, tree_versionable_function_p,
9102 tree_function_versioning, replace_ref_tree): New functions.
9103 * tree-inline.h: Include varray.h.
9104 (tree_versionable_function_p, tree_function_versioning,
9105 tree copy_decl_for_dup): New declarations.
9107 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
9109 * ipa-cp.c: New file. Contains IPCP specific functionality.
9110 * ipa-prop.h: New file. Contains structures/definitions that can be
9111 used by several interprocedural data flow optimizations (and also IPCP).
9112 * ipa-prop.c: New file.
9113 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
9114 * common.opt: Add ipa-cp flag.
9115 * timevar.def: Add IPCP optimization.
9116 * tree-optimize.c (init_tree_optimization_passes): Schedule
9118 * tree-pass.h (pass_ipa_cp): Declare.
9120 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
9122 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
9123 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
9124 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
9125 config/i386/i386.c, config/mips/mips.h,
9126 config/rs6000/rs6000.h, config/sh/sh.c,
9127 config/stormy16/stormy16.c: Fix comment typos.
9129 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
9132 * c-typeck.c (build_binary_op): Use common_type wrapper on
9134 (common_type): Update comment.
9136 2005-07-31 Steven Bosscher <stevenb@suse.de>
9139 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
9140 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
9141 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
9143 2005-07-31 Jan Hubicka <jh@suse.cz>
9145 * pretty-print.h (pp_widest_integer): New macro.
9146 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
9149 2005-07-31 Jan Hubicka <jh@suse.cz>
9151 * output.h (enum section_category): Export from varasm.c
9152 (categorize_decl_for_section): Likewise.
9153 * varasm.c (enum section_category): Kill.
9154 (categorize_decl_for_section): Make global.
9155 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
9157 * i386.c (ix86_section_threshold): New static variable.
9158 (ix86_in_large_data_p, ix86_encode_section_info,
9159 x86_64_elf_unique_section,
9160 x86_64_elf_select_section): New functions.
9161 (TARGET_ENCODE_SECTION_INFO): Define
9162 (override_options): Enable medium model for PIC.
9163 (ix86_expand_prologue): Expand gen_set_got_rex64.
9164 (legitimate_constant_p): Handle new UNSPECs.
9165 (legitimate_pic_address_disp_p): Likewise.
9166 (legitimize_pic_address): Lower MEDIUM model addressing.
9167 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
9168 (enum cmodel): Add MEDIUM_PIC.
9169 (SYMBOL_REF_FAR_ADDR_P): New macro.
9170 (SYMBOL_FLAG_FAR_ADDR): New flag.
9171 * i386.md (movdi): Support medium model.
9172 (set_got_rex64): New pattern.
9173 * i386.opt (mlarge-data-threshold): New flag.
9174 * predicates.md (zext_operand/sext_operand): Deal with medium model.
9175 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
9176 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
9177 TARGET_ASM_UNIQUE_SECTION): New.
9179 * invoke.texi (-mlarge_data_threshold): Document
9181 2005-07-31 Jan Hubicka <jh@suse.cz>
9183 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
9184 (coalesce_vars): Likewise.
9185 * tree-ssa-live.c (coalesce_cost): New.
9186 (build_tree_conflict_graph): Use coalesce_cost.
9187 * tree-ssa-live.h (coalesce_cost): Declare.
9189 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
9191 * arm.md (all peepholes for post-increment operations): Delete.
9192 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
9193 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
9194 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
9195 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
9196 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
9198 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
9200 * fold-const.c (tree_expr_nonnegative_p): Always return true for
9203 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
9206 * doc/invoke.texi: Document -rdynamic.
9208 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
9211 * c-parser.c (c_parser_parms_list_declarator): Call
9212 mark_forward_parm_decls.
9213 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
9214 decls with visibility structure.
9216 2005-07-30 Paul Brook <paul@codesourcery.com>
9218 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
9220 2005-07-30 Paul Brook <paul@codesourcery.com>
9222 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
9224 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
9226 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
9228 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9231 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
9232 nested function declarators.
9233 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
9234 (grokparms): Call warn_if_shadowing for parameters used within the
9236 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
9237 not used within the parameter list.
9238 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
9240 2005-07-30 Jan Hubicka <jh@suse.cz>
9242 * expr.c (expand_expr_real_1): Do not load mem targets into register.
9243 * i386.c (ix86_fixup_binary_operands): Likewise.
9244 (ix86_expand_unary_operator): Likewise.
9245 (ix86_expand_fp_absneg_operator): Likewise.
9246 * optabs.c (expand_vec_cond_expr): Validate dest.
9248 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9251 * real.c (real_from_string): Also set last bit if there is a
9252 nonzero hex digit beyond GCC's internal precision after ".".
9254 2005-07-29 David Edelsohn <edelsohn@gnu.org>
9256 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
9257 define_constants. Change duplicate values to unassigned numbers.
9258 Change UNSPEC_SUBS to UNSPEC_VSUBS.
9259 (*altivec_vspltsf): New.
9260 (altivec_vperm_v4sf): Delete.
9261 (altivec_vperm_<mode>): Use mode macro V.
9262 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
9263 (altivec_predicate_v4sf): Delete.
9264 (altivec_predicate_<mode>): Use mode macro V.
9265 (*altivec_lvesfx): New.
9266 (*altivec_stvesfx): New.
9267 (vec_realign_load_v4sf): Delete.
9268 (vec_realign_load_<mode>): Use mode macro V.
9269 * config/rs6000/rs6000.c (generate_set_vrsave): Use
9272 2005-07-29 Mark Mitchell <mark@codesourcery.com>
9275 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
9277 * configure: Regenerated.
9279 2005-07-29 Paul Brook <paul@codesourcery.com>
9281 * doc/install.texi: Add link to GFortran binaries wiki page.
9283 2005-07-29 David Ung <davidu@mips.com>
9285 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
9286 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
9287 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
9288 * config/mips/mips.md (cpu): Add 5kf name.
9289 (includes): Includes 5k.md.
9290 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
9291 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
9294 2005-07-29 Diego Novillo <dnovillo@redhat.com>
9297 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
9298 (cleanup_tree_cfg): ... here.
9299 Call cleanup_tree_cfg_1 until there are no more cleanups to
9302 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
9304 * tree-vrp.c (compare_range_with_value): Return true or false
9305 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
9306 EQ_EXPR respectively.
9308 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
9310 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
9313 2005-07-29 Diego Novillo <dnovillo@redhat.com>
9315 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
9316 (tree_ssa_dominator_optimize): Increment it.
9317 (dump_dominator_optimization_stats): Print it.
9319 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
9320 Steven Bosscher <stevenb@suse.de>
9322 PR rtl-optimization/23117
9323 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
9324 when head == tail. Tidy comment.
9326 2005-07-28 Richard Henderson <rth@redhat.com>
9328 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
9329 * cselib.c (rtx_equal_for_cselib_p): Likewise.
9330 * jump.c (rtx_renumbered_equal_p): Likewise.
9331 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
9332 CONST_INT and CONST_DOUBLE.
9333 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
9334 * reload.c (operands_match_p): Special case CONST_INT and
9335 CONST_DOUBLE; check mode earlier.
9337 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9340 * c-typeck.c (convert_for_assignment): Do not check
9341 DECL_IN_SYSTEM_HEADER on NULL fundecl.
9343 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9346 * c-typeck.c (composite_type): Prefer constant size arrays to
9349 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9352 * real.c (real_from_string): Set last bit if there is a nonzero
9353 hex digit beyond GCC's internal precision.
9355 2005-07-28 Richard Henderson <rth@redhat.com>
9358 * cfgcleanup.c (try_forward_edges): Watch out for end of
9361 2005-07-28 James E Wilson <wilson@specifixinc.com>
9364 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
9366 2005-07-28 Jan Hubicka <jh@suse.cz>
9368 * Makefile.in (rtl-profile.o): Kill all traces of it.
9369 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
9370 * coverage.h (rtl_coverage_counter_ref): Kill.
9371 * opts.c (flag_speculative_prefetching_set): Kill.
9372 (flag_loop_optimize_set): New.
9373 (common_handle_option): Disable loop optimizer when profiling;
9374 do not handle speculative prefetching.
9375 * passes.c (init_optimization_passes): Replace pass_profiling combo
9376 by branch_prob pass.
9377 * profile.c (compute_value_histograms): Update for simplified value
9379 (rtl_register_profile_hooks): Kill.
9380 (pass_profiling): Kill.
9381 (rest_of_handle_branch_prob): Do not profile.
9382 * toplev.c (process_options): Remove speculative prefetching.
9383 * toplev.h (flag_tree_based_profiling): Kill.
9384 * tree-profile.c (prepare_instrumented_value,
9385 tree_gen_interval_profiler, tree_gen_pow2_profiler,
9386 tree_gen_one_value_profiler, do_tree_profiling): Update for
9387 simplified datastructures.
9388 * value-prof.c: Add comment that speculative prefetching was dropped;
9389 update rest of file for simplified datastructures.
9390 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9391 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9392 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9393 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9394 rtl_mod_subtract, gen_speculative_prefetch,
9395 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9396 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9397 (gate_handle_value_profile_transformations,
9398 rest_of_handle_value_profile_transformations,
9399 pass_value_profile_transformations): Kill.
9400 * value-prof.h (histogram_value_t): Remove IL based unions.
9401 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9402 rtl_profile_hooks): Remove hooks.
9404 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9406 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9407 (cgraph_clone_node): Likewise.
9408 * cgraph.h (cgraph_clone_edge): Update prototype.
9409 (cgraph_clone_node): Likewise.
9410 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9412 (lookup_recursive_calls): Consider profile.
9413 (cgraph_decide_recursive_inlining): Fix updating; use new
9414 probability argument; use profile.
9415 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9416 * tree-inline.c (copy_bb): Update clal of clone_edge.
9417 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9419 * invoke.texi (min-inline-recursive-probability): Document.
9421 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
9423 * doc/install.texi (Configuration): Update Valgrind homepage.
9425 2005-07-28 Richard Henderson <rth@redhat.com>
9428 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9429 labels we want to delete.
9430 (cfg_layout_merge_blocks): Likewise.
9432 2005-07-28 Richard Henderson <rth@redhat.com>
9435 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9436 when expanding to nothing.
9438 2005-07-28 Josh Conner <jconner@apple.com>
9440 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9441 (cgraph_decide_inlining_of_small_functions): Likewise.
9443 2005-07-28 Josh Conner <jconner@apple.com>
9445 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
9446 direction of badness if negative.
9447 (cgraph_default_inline_p): Add reason to parameters, and assign it
9449 (cgraph_decide_inlining_of_small_functions): New parameter in call
9450 to cgraph_default_inline_p.
9451 (cgraph_decide_inlining_incrementally): Likewise.
9452 * cgraphunit.c (decide_is_function_needed): Likewise.
9453 * cgraph.h (cgraph_default_inline_p): Likewise.
9455 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9457 * builtins.c: Fix comment typo(s).
9458 * genautomata.c: Likewise.
9459 * gimplify.c: Likewise.
9460 * tree-dfa.c: Likewise.
9461 * tree-flow-inline.h: Likewise.
9462 * tree-into-ssa.c: Likewise.
9463 * tree-ssa-alias.c: Likewise.
9464 * tree-ssa-ccp.c: Likewise.
9465 * tree-ssa-copy.c: Likewise.
9466 * tree-ssa-dce.c: Likewise.
9467 * tree-ssa-dom.c: Likewise.
9468 * tree-ssa-operands.c: Likewise.
9469 * tree-tailcall.c: Likewise.
9470 * tree-vectorizer.c: Likewise.
9471 * tree-vrp.c: Likewise.
9474 2005-07-28 Jeff Law <law@redhat.com>
9476 * tree-vrp.c (test_for_singularity): Extracted from ...
9477 (simplify_cond_using_ranges): Attempt to simplify a relational
9478 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
9480 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
9482 PR tree-optimization/22506
9483 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9484 phis whose argument is constant.
9486 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
9488 PR rtl-optimization/18992
9489 Back out this patch:
9490 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9491 PR optimization/12142
9492 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9493 uses of the register in the SET_SRC. Remove unnecessary argument.
9495 Replace it with this:
9496 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9497 if flag_non_call_exceptions is set and the insn may trap, pass
9498 pc_rtx as dest for recursion.
9499 In SET_SRC part of SET case, if dest is already set, pass it down
9502 2005-07-28 Jan Hubicka <jh@suse.cz>
9504 * cfg.c (update_bb_profile_for_threading): Use RDIV.
9505 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9506 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9508 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9509 profile when available.
9511 2005-07-28 Jan Beulich <jbeulich@novell.com>
9513 * config/ia64/ia64.c (ia64_load_pair_ok): New.
9514 (ia64_print_operand): Describe and handle 'X'.
9515 (ia64_register_move_cost): Also handle FP_REGS.
9516 (ia64_preferred_reload_class): Likewise.
9517 (ia64_secondary_reload_class): Likewise.
9518 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9519 it. Also check for ITANIUM_CLASS_FLDP.
9520 * config/ia64/ia64.h (FP_REGNO_P): New.
9521 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9522 (reg_class): Add FP_REGS.
9523 (REG_CLASS_NAMES): Adjust for it.
9524 (REG_CLASS_CONTENTS): Likewise.
9525 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9526 (REG_CLASS_FROM_LETTER): Handle 'x'.
9527 (CLASS_MAX_NREGS): Handle FP_REGS.
9528 (MEMORY_MOVE_COST): Likewise.
9529 * config/ia64/ia64.md (itanium_class): Add fldp.
9530 (type): Handle fldp.
9531 (movti_internal): More allowable operand combinations. Use ldfp8 when
9532 splitting unnecessary. Remove predicable attribute. Adjust
9533 itanium_class attribute.
9534 (smuldi3_highpart): Remove outdated comment.
9535 (mulditi3, umulditi3, rotlti3): New expanders.
9536 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9537 (absti2): Disabled new insn for future reference.
9538 Respective new splitters.
9539 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9540 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9541 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9543 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
9545 PR rtl-optimization/23047
9546 * simplify-rtx.c (simplify_const_relational_operation): Respect
9547 flag_wrapv for comparisons with ABS.
9549 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
9551 PR tree-optimization/22493
9552 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9553 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9555 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
9557 * config/frv/frv.opt (moptimize-membar): New.
9559 * doc/invoke.texi: Document -moptimize-membar and its inverse.
9561 * config/frv/frv.h: Remove machine_function definition.
9563 * config/frv/frv.c (struct frv_io): New.
9564 (struct machine_function): Moved from frv.h. Add has_membar_p.
9565 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9566 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9567 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9568 (frv_optimize_membar_global, frv_optimize_membar): New functions.
9569 (frv_reorg): Call frv_optimize_membar when appropriate.
9570 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9571 (frv_expand_builtin): Adjust calls accordingly.
9572 (frv_io_address_cookie): New function.
9573 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9574 load or store rather than a special insn. Add ccnstant address and
9575 io-type operands to the membar.
9576 (frv_ifcvt_modify_tests): Unsign regno.
9577 (frv_ifcvt_modify_tests): Same.
9579 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
9580 UNSPEC_OPTIONAL_MEMBAR constant.
9581 (builtin_read_<mode>): Delete.
9582 (builtin_write_<mode>): Delete.
9583 ("optional_membar_<mode>"): Add operand.
9585 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9586 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9587 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9588 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9589 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9590 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9591 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9592 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9593 * testsuite/gcc.target/frv/all-read-write-1.c: New.
9595 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
9597 * df.c (df_uses_record): Handle SCRATCH.
9599 2005-07-28 Steven Bosscher <stevenb@suse.de>
9602 * passes.c (rest_of_decl_compilation): If decl is a type and
9603 we have encountered errors, don't emit debug information.
9605 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9607 * params.def: Fixed comment.
9609 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
9612 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9613 (TARGET_ASM_UNALIGNED_HI_OP): Add.
9614 (TARGET_ASM_UNALIGNED_SI_OP): Add.
9616 2005-07-27 Steven Bosscher <stevenb@suse.de>
9619 * varasm.c (assemble_start_function): Don't do anything that may
9620 require a CFG if the current function is a thunk.
9622 2005-07-25 Geoffrey Keating <geoffk@apple.com>
9624 * doc/install.texi (Prerequisites): Mention that perl is needed
9625 to do export control in libstdc++ targetting Darwin.
9627 2005-07-27 Steven Bosscher <stevenb@suse.de>
9629 PR rtl-optimization/17808
9630 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9631 (sched_insns_conditions_mutex_p): Split out from...
9632 (add_dependence): ...here. But don't call it from here.
9633 (add_dependence_list): Check sched_insns_conditions_mutex_p
9634 before calling add_dependence.
9635 (add_dependence_list_and_free): Likewise.
9636 (fixup_sched_groups): Likewise.
9637 (sched_analyze_1): Likewise.
9638 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9639 (sched_analyze): Likewise.
9640 (sched_analyze_insn): Likewise.
9641 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9642 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
9643 dependencies on all COND_EXEC insns to jumps ending basic blocks
9644 when doing intrablock scheduling.
9645 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9647 2005-07-27 Jeff Law <law@redhat.com>
9649 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9650 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
9651 equivalency sets, correctly handle the case were vr0 has an
9652 equivalency set, but vr1 does not.
9654 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
9656 PR tree-optimization/23073
9657 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9658 vect_print_dump_info before fprintf.
9660 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9662 PR tree-optimize/22348
9663 * tree-ssa-loop-niter.c (number_of_iterations_cond):
9664 Fold the partial computation.
9666 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9668 PR tree-optimization/22325
9669 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9671 * tree-scalar-evolution.c (scev_const_prop): Add generic final
9673 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9674 (force_var_cost): ... this function.
9675 (compute_phi_arg_on_exit): Export.
9677 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9679 PR tree-optimization/20773
9680 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9683 2005-07-27 Richard Guenther <rguenther@suse.de>
9685 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9686 Avoid pushing again if current struct contains only
9687 fields we decomposed.
9689 2005-07-27 Jan Hubicka <jh@suse.cz>
9691 PR tree-optimization/22574
9692 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9695 * tree-tailcall.c (decrease_profile): New function.
9696 (eliminate_tail_call): Use it.
9698 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9699 visibility flags correctly in whole program mode.
9701 2005-07-26 Steve Ellcey <sje@cup.hp.com>
9703 PR rtl-optimization/22472
9704 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9706 2005-07-26 Steven Bosscher <stevenb@suse.de>
9708 PR tree-optimization/22504
9709 * tree-complex.c (expand_complex_addition): Use 'code' instead
9710 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9712 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9714 * config.gcc (cpu_type): Add frv case.
9715 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9716 (supported_defaults): Add fr550 case.
9718 2005-07-26 Diego Novillo <dnovillo@redhat.com>
9721 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9722 whether a pointer of type T * may point to objects of type T *.
9724 2005-07-26 DJ Delorie <dj@redhat.com>
9726 * configure: Regenerate.
9728 2005-07-26 Dale Johannesen <dalej@apple.com>
9730 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
9732 2005-07-26 Mark Mitchell <mark@codesourcery.com>
9734 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9735 Clarify use of "build" in name.
9737 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9739 * doc/extend.texi (Raw read/write Functions): New section.
9740 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9741 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9742 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9743 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9744 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9745 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9746 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9747 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9748 * config/frv/frv.c: Add bdesc_loads global.
9749 Add bdesc_stores global.
9750 (frv_init_builtins): Add support for __builtin_{read/write}*.
9751 (frv_volatile_memref): New.
9752 (frv_expand_load_builtin): New.
9753 (frv_expand_store_builtin): New.
9754 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9755 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9756 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9757 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9758 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9759 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9760 (builtin_read_<mode>): New.
9761 (builtin_write_<mode>): New.
9762 (builtin_write64): New.
9763 (optional_membar_<mode>): New.
9765 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
9767 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9768 (rather than units) against HOST_BITS_PER_WIDE_INT.
9770 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
9772 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9773 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9774 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9775 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9778 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9779 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9780 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9782 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9784 2005-07-26 Richard Guenther <rguenther@suse.de>
9786 PR tree-optimization/22486
9787 * fold-const.c (fold_unary): Fold away useless component
9788 references of the form (T *)&T.x, if the address
9791 2005-07-25 James E Wilson <wilson@specifixinc.com>
9793 * dwarf2out.c (add_call_src_coords_attributes): New.
9794 (gen_inlined_subroutine_die): Call it.
9795 (maybe_emit_file, init_file_table): Add comments.
9796 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9798 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9799 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9800 * tree.h (BLOCK_SOURCE_LOCATION): New.
9801 (struct tree_block): New field locus.
9803 2005-07-26 Andreas Schwab <schwab@suse.de>
9805 PR rtl-optimization/23043
9806 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9807 when allocating a struct unoccr.
9809 2005-07-25 Richard Henderson <rth@redhat.com>
9812 * tree-complex.c (gate_no_optimization): True if errors.
9813 * Makefile.in (tree-complex.o): Update dependencies.
9815 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
9817 * config/frv/predicates.md (integer_register_operand): Use
9820 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9823 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9825 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9827 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9829 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9830 types when flag_unsafe_math_optimizations is true.
9832 2005-07-25 Mark Mitchell <mark@codesourcery.com>
9834 * gcc.c (option_map): Add --sysroot.
9835 (process_command): Handle --sysroot.
9836 (display_help): Document it.
9837 * doc/cppopts.tex (-isysroot): Document.
9838 * doc/invoke.texi (--sysroot): Document.
9839 * doc/install.texi (--with-build-sysroot): Document.
9841 * Makefile.in (inhibit_libc): New variable.
9842 (INHIBIT_LIBC_CFLAGS): Likewise.
9843 (LIBGCC2_CFLAGS): Include
9844 $(INHIBIT_LIBC_CFLAGS).
9845 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9846 ($(T)crtbegin.o): Do not use @inhibit_libc@.
9847 ($(T)crtend.o): Likewise.
9848 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9849 ($(T)crtendS.o): Likewise.
9850 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9851 ($(T)crtendT.o): Likewise.
9852 (stmp-fixinc): Do not complain about missing headers if
9854 * configure.ac (inhibit_libc): Set it to true/false.
9855 (--with-build-sysroot): New option. Use it to set
9857 * configure: Regenerated.
9859 2005-07-25 Manfred Hollstein <mh@suse.com>
9861 * calls.c (store_one_arg): Fix unsigned comparison warning.
9863 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
9866 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9867 (ggc_print_statistics): Initialize variable before use.
9869 2005-07-25 Richard Guenther <rguenther@suse.de>
9871 * tree-dfa.c (mark_new_vars_to_rename): Protect against
9872 calling with a PHI_NODE argument.
9874 * tree-flow-inline.h (overlap_subvar): Protect against
9877 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
9879 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9880 * configure: Regenerate.
9882 2005-07-25 Ira Rosen <irar@il.ibm.com>
9884 * expr.c (highest_pow2_factor): Make extern.
9885 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9886 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9887 record_array_differ_p, array_ptr_differ_p): Likewise.
9888 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9889 additional cases. Call the above functions.
9890 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9891 base_object_differ_p when there are two base objects. Otherwise, compare
9892 base address and offset. Call may_alias_p.
9893 (dump_data_reference): Use a correct field name.
9894 (analyze_array): Make static. Initialize new data-ref fields.
9895 (analyze_indirect_ref): New function.
9896 (init_data_ref): Initialize new data-ref fields.
9897 (strip_conversion): Moved from tree-vect-analyze.c.
9898 (analyze_offset_expr, get_ptr_offset, address_analysis,
9899 object_analysis): Likewise.
9900 (analyze_offset): New function.
9901 (create_data_ref): Likewise.
9902 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9903 dimensions for ARRAY_REFs only.
9904 (build_classic_dist_vector): Make static.
9905 (access_functions_are_affine_or_constant_p): Call macro to get the
9906 address of access functions.
9907 (compute_all_dependences): Add new parameter
9908 compute_self_and_read_read_dependences. Compute self and read-read
9909 dependences if it is true.
9910 (find_data_references_in_loop): Call create_data_ref. Initialize new
9912 (compute_data_dependences_for_loop): Add new parameter
9913 compute_self_and_read_read_dependences. Remove parameter nb_loops,
9914 compute nb_loops. Call compute_all_dependences,
9915 build_classic_dist_vector and build_classic_dir_vector with correct
9917 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9918 with correct parameters. Compare dimensions for ARRAY_REFs only.
9919 (free_data_refs): Call macro to free access functions.
9920 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9921 fields from stmt_vinfo.
9922 (struct base_object_info): New structure.
9923 (struct data_reference): Move fields to base_object_info. Add fields
9924 first_location and object_info for above structures. Move fields from
9925 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9926 aligned_to. Add macros to access the new fields.
9927 Update functions declarations.
9928 * tree-flow.h (is_aliased_with): Declare.
9929 * tree-loop-linear.c (linear_transform_loops): Call
9930 compute_data_dependences_for_loop with correct parameters.
9931 * tree-ssa-alias.c (is_aliased_with): New function.
9932 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9933 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9934 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9935 vect_base_addr_differ_p, compute_subscript_distance and
9936 build_classic_dist_vector. Add printings. Check absolute value of
9938 (vect_analyze_data_ref_dependences): Go through ddrs instead of
9940 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9941 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9942 to bytes. Add printing.
9943 (vect_compute_data_refs_alignment): Go through loads and stores in one
9945 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9946 vect_analyze_data_ref_access): Likewise.
9947 (vect_analyze_pointer_ref_access): Remove.
9948 (vect_address_analysis, vect_object_analysis): Likewise.
9949 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9950 and analyze data-refs in the loop.
9951 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9952 fields of data-ref instead of stmt. Add init to the offset from the
9954 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9955 (vect_update_init_of_dr): Likewise.
9956 (vect_update_inits_of_drs): Go through loads and stores in one loop.
9957 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9959 (new_loop_vec_info): Initialize new fields.
9960 (destroy_loop_vec_info): Free new fields.
9961 (vect_strip_conversion): Remove.
9962 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9963 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9964 datarefs. Add new field ddrs.
9965 Add macros for the new fields access.
9966 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9967 base_aligned_p, misalignment, memtag, ptr_info and subvars.
9968 Remove their macros.
9969 * tree.h (highest_pow2_factor): Declare.
9971 2005-07-25 Jakub Jelinek <jakub@redhat.com>
9973 * calls.c (store_one_arg): Check for sibling call MEM arguments
9974 from already clobbered incoming argument area.
9976 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9978 * c-common.c (check_missing_format_attribute): New.
9979 * c-common.h (check_missing_format_attribute): Likewise.
9980 * c-typeck.c (convert_for_assignment): Use it.
9982 2005-07-24 Andreas Schwab <schwab@suse.de>
9984 * config/m68k/m68k.md ("extendqidi2"): When source is an address
9985 register use a word move. Correct operand of ext.w in 68000 code.
9987 2005-07-23 Mark Mitchell <mark@codesourcery.com>
9989 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9990 variables as declarations, rather than definitions.
9992 2005-07-24 Ira Rosen <irar@il.ibm.com>
9994 PR tree-optimization/22526
9995 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9998 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10000 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
10001 that C99 reserve for future use. Use it to define clog10,
10002 clog10f and clog10l.
10004 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10006 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
10007 * configure.ac: Check for -Wmissing-format-attribute.
10009 * configure: Regenerate.
10011 2005-07-23 Richard Henderson <rth@redhat.com>
10013 PR tree-optimization/22623
10014 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
10016 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
10019 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
10021 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10023 * Makefile.in (C_TREE_H): Update dependencies.
10024 * c-tree.h: Include toplev.h.
10025 * diagnostic.h (diagnostic_set_info): Add format attribute.
10026 * rtl-error.c (diagnostic_for_asm): Likewise.
10028 2005-07-23 Chao-ying Fu <fu@mips.com>
10030 * config/mips/mips-dsp.md: New file.
10031 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
10032 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
10034 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
10035 MIPS_BUILTIN_BPOSGE32.
10036 (mips_expand_builtin_direct): Add one parameter to indicate that
10037 builtin functions need to return a value.
10038 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
10040 (mips_regno_to_class): Add classes for 12 new DSP registers.
10041 (mips_subword): Change to check four HI registers.
10042 (mips_output_move): Output move to and from 6 new DSP accumulators.
10043 (override_options): Make sure -mdsp and -mips16 are not used together.
10044 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
10046 (mips_conditional_register_usage): Disable 6 new DSP accumulators
10048 (print_operand): Add 'q' for printing DSP accumulators.
10049 (mips_cannot_change_mode_class): Check ACC_REGS.
10050 (mips_secondary_reload_class): Check ACC_REGS.
10051 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
10052 (mips_register_move_cost): Check ACC_REGS.
10053 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
10054 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
10055 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
10056 (dsp_bdesc): New array.
10057 (bdesc_arrays): Add DSP builtin function table.
10058 (mips_prepare_builtin_arg): Check predicate again after
10060 (mips_expand_builtin): Add one more parameter to
10061 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
10062 MIPS_BUILTIN_BPOSGE32.
10063 (mips_init_builtins): Initialize new function types.
10064 (mips_expand_builtin_direct): Check if builtin functions need to
10065 return a value and pass operands properly.
10066 (mips_expand_builtin_bposge): New function.
10067 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
10068 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
10069 (FIRST_PSEUDO_REGISTER): Increase to 188.
10070 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
10071 Update for 12 new DSP registers.
10072 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
10073 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
10074 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
10075 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
10076 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
10077 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
10078 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
10079 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
10080 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
10081 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
10082 (REGISTER_NAMES): Add names for 12 new DSP registers.
10083 * config/mips/mips.md: Include mips-dsp.md.
10084 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
10085 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
10086 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
10087 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
10088 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
10089 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
10090 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
10091 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
10092 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
10093 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
10094 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
10095 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
10096 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
10097 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
10098 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
10099 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
10100 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
10101 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
10102 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
10103 (UNSPEC_RDDSP): New constants.
10104 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
10105 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
10107 * config/mips/mips.opt (-mdsp): New option.
10108 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
10109 (reg_imm10_operand): New predicates.
10110 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
10111 * doc/invoke.texi (-mdsp): Document new option.
10113 2005-07-22 DJ Delorie <dj@redhat.com>
10115 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
10117 * tree-inline.c (inlinable_function_p): Likewise.
10119 2005-07-22 Mark Mitchell <mark@codesourcery.com>
10122 * toplev.c (check_global_declarations): Do not mark undefined
10123 variables as DECL_IGNORED_P.
10124 * varasm.c (first_global_object_name): GTY it.
10125 (weak_global_object_name): Likewise.
10126 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
10127 a string to go into {weak,first}_global_object_name.
10129 2005-07-22 DJ Delorie <dj@redhat.com>
10131 * c-format.c (check_function_format): Change warning control
10132 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
10134 2005-07-22 Diego Novillo <dnovillo@redhat.com>
10136 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
10137 &PTR->FLD a dereference of PTR.
10138 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
10139 a potential dereference of PTR.
10141 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
10143 PR rtl-optimization/20370
10144 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
10145 call allocate_reg_info if necessary.
10147 PR rtl-optimization/21848
10148 * calls.c (emit_library_call_value_1): For const functions, add
10149 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
10151 PR rtl-optimization/22445
10152 * cselib.c (target.h): Include.
10153 (rtx_equal_for_cselib_p): Allow commutative matches.
10154 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
10155 Remove MODE parameter. Changed all callers.
10157 PR rtl-optimization/22258
10158 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
10160 (try_combine): Use likely_spilled_retval_p.
10162 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
10164 * config.gcc: Add crx-elf support.
10166 * doc/contrib.texi: Mention crx.
10167 * doc/extend.texi: Document crx extensions.
10168 * doc/install.texi: Document crx install.
10169 * doc/invoke.texi: Document crx options.
10170 * doc/md.texi: Document crx constraints.
10172 * config/crx/crx-protos.h: New file.
10173 * config/crx/crx.c: New file.
10174 * config/crx/crx.h: New file.
10175 * config/crx/crx.md: New file.
10176 * config/crx/crx.opt: New file.
10177 * config/crx/t-crx: New file.
10179 2005-07-22 Manfred Hollstein <mh@suse.com>
10181 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
10183 (int_add_graph_edge): Likewise.
10184 (collapse_nodes): Likewise.
10185 (process_unification_queue): Likewise.
10187 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10188 Laurent GUERBY <laurent@guerby.net>
10190 PR tree-optimization/22336
10191 * function.c (record_block_change): Check for
10192 cfun->ib_boundaries_block.
10194 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
10196 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
10197 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
10199 2005-07-21 DJ Delorie <dj@redhat.com>
10201 * toplev.c (warn_deprecated_use): Add warning control to warning
10203 * c-typeck.c (parser_build_binary_op): Likewise.
10204 (c_finish_if_stmt): Likewise.
10205 * c-common.c (check_function_sentinel): Likewise.
10206 (check_nonnull_arg): Likewise.
10208 2005-07-21 Richard Henderson <rth@redhat.com>
10211 * tree-complex.c (complex_ssa_name_components): New.
10212 (cvc_lookup): Allow entry not found.
10213 (create_components): Remove.
10214 (create_one_component_var, get_component_var): New.
10215 (get_component_ssa_name, set_component_ssa_name): New.
10216 (extract_component): Use get_component_ssa_name.
10217 (update_complex_components): Use set_component_ssa_name.
10218 (update_complex_components_on_edge): Likewise.
10219 (update_phi_components): Create new PHI nodes directly, instead
10220 of adding insns to edges.
10221 (tree_lower_complex): Allocate and free complex_variable_components
10222 and complex_ssa_name_components here.
10224 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
10226 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
10227 revert to returning false.
10229 2005-07-21 Uros Bizjak <uros@kss-loka.si>
10232 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
10234 2005-07-21 Uros Bizjak <uros@kss-loka.si>
10237 * config/i386/i386.md (cmpxf): Change operand constraints
10238 to "nonmemory_operand".
10240 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10242 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
10244 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10246 PR middle-end/21180
10247 * fold-const.c (fold_build1): Add checksum for the operands.
10248 (fold_build2): Likewise.
10249 (fold_build3): Likewise.
10251 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10253 PR middle-end/19055
10254 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
10256 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10258 * common.opt (-fforward-propagate): Committed by mistake,
10261 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10263 * reg-stack.c: Fix comment typo(s).
10264 * tree-ssa-operands.c: Likewise.
10265 * tree-vectorizer: Likewise.
10267 2005-07-21 Nick Clifton <nickc@redhat.com>
10269 * config/sh/symbian.c: Replace C++ style line comments with C
10270 style line comments.
10271 (symbian_add_attribute): Do not use a ? operator on the LHS of
10273 (sh_symbian_handle_dll_attribute): Change the type of the
10274 method vector to "VEC(tree,gc)*" and use vector accessor
10275 macros to walk over the elements.
10276 (symbian_export_vtable_and_rtti_p): Likewise.
10277 (symbian_class_needs_attribute_p): Likewise.
10279 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10282 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
10283 initialize targetm.resolve_overloaded_builtin here.
10284 (altivec_expand_overloaded_builtin): Make it non-static.
10285 * config/rs6000/rs6000-protos.h
10286 (altivec_expand_overloaded_builtin): New prototype.
10287 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
10288 targetm.resolve_overloaded_builtin here.
10289 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
10291 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10292 Zdenek Dvorak <dvorakz@suse.cz>
10294 PR tree-optimization/19210
10295 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
10297 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
10298 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
10299 rely on unproven assumptions.
10300 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
10301 * tree-flow.h (number_of_iterations_exit): Add final parameter.
10302 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
10303 to number_of_iterations_exit.
10304 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
10305 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
10306 * tree-ssa-loop-niter.c (find_loop_niter,
10307 estimate_numbers_of_iterations_loop): Likewise.
10308 (number_of_iterations_exit): Honor the new options.
10309 * doc/invoke.texi (Wunsafe-loop-optimizations,
10310 funsafe-loop-optimizations): Document them.
10312 2005-07-21 Richard Sandiford <richard@codesourcery.com>
10314 PR rtl-optimization/22167
10315 * gcse.c (hoist_code): Fix hoist_exprs[] check.
10317 2005-07-20 Adam Nemet <anemet@lnxw.com>
10319 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
10320 __do_global_dtors_aux longcall.
10322 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
10324 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
10325 (old_special_pred_table): Don't reference
10326 SPECIAL_MODE_PREDICATES.
10327 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
10328 * config/arc/arc.h: Don't mention PREDICATE_CODES.
10329 * config/sh/predicates.h: Don't mention
10330 SPECIAL_MODE_PREDICATES.
10331 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
10334 2005-07-20 DJ Delorie <dj@redhat.com>
10336 * config.gcc: Add m32c-elf support.
10338 * doc/contrib.texi: Mention m32c.
10339 * doc/extend.texi: Document m32c extensions.
10340 * doc/install.texi: Mention m32c.
10341 * doc/invoke.texi: Document m32c options.
10342 * doc/md.texi: Document m32c constraints.
10344 * config/m32c/addsub.md: New file.
10345 * config/m32c/bitops.md: New file.
10346 * config/m32c/cond.md: New file.
10347 * config/m32c/jump.md: New file.
10348 * config/m32c/m32c-lib1.S: New file.
10349 * config/m32c/m32c-lib2.c: New file.
10350 * config/m32c/m32c-modes.def: New file.
10351 * config/m32c/m32c-pragma.c: New file.
10352 * config/m32c/m32c-protos.h: New file.
10353 * config/m32c/m32c.abi: New file.
10354 * config/m32c/m32c.c: New file.
10355 * config/m32c/m32c.h: New file.
10356 * config/m32c/m32c.md: New file.
10357 * config/m32c/m32c.opt: New file.
10358 * config/m32c/minmax.md: New file.
10359 * config/m32c/mov.md: New file.
10360 * config/m32c/muldiv.md: New file.
10361 * config/m32c/predicates.md: New file.
10362 * config/m32c/prologue.md: New file.
10363 * config/m32c/shift.md: New file.
10364 * config/m32c/t-m32c: New file.
10366 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10368 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
10369 (stack_protect_set, stack_protect_test): New expanders.
10370 (stack_protect_set_si, stack_protect_set_si_media,
10371 stack_protect_set_di_media, stack_protect_test_si,
10372 stack_protect_test_si_media, stack_protect_test_di_media):
10375 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
10377 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10379 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
10381 * tree.h (tree_expr_nonzero_p): Export.
10382 * fold-const.c (tree_expr_nonzero_p): Likewise.
10383 Return true for CALL_EXPRs that are alloca calls.
10384 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10386 * tree-flow.h (expr_computes_nonzero): Remove.
10387 * tree-vrp.c (expr_computes_nonzero): Remove.
10388 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10389 (extract_range_from_unary_expr): Likewise.
10390 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10391 tree_expr_nonzero_p.
10393 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
10395 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10396 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
10397 extra arg "picreg" and use it instead of pic_offset_table_rtx.
10398 All callers changed.
10399 (frame_related_constant_load): New arg "related" which controls
10400 setting of RTX_FRAME_RELATED_P. All callers changed.
10401 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10402 (bfin_expand_prologue): Add stack limit checking.
10403 * config/bfin/bfin.md (trapifcc): New pattern.
10405 * config/bfin/bfin.c: Include "langhooks.h".
10406 (def_builtin): Go through lang_hooks to call builtin_function.
10408 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10409 * config/bfin/predicates.md (symbol_ref_operand): New.
10410 (call_insn_operand): Delete. All callers changed to use
10411 register_no_elim_operand.
10412 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10414 (function_arg): Use it to generate the call's operand 2.
10415 (bfin_longcall_p): New function.
10416 (bfin_expand_call): Extra arg "cookie". All callers and declaration
10417 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
10418 determine if the address needs to be in a REG.
10419 (bfin_handle_longcall_attribute): New function.
10420 (bfin_attribute_table): Add "longcall" and "shortcall".
10421 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10422 (CUMULATIVE_ARGS): New member call_cookie.
10423 (PREDICATE_CODES): Add symbol_ref_operand.
10424 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10425 extra USE to the pattern.
10426 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10427 New patterns, split off call_insn, sibcall_insn, call_value_insn and
10428 sibcall_value_insn; now the new patterns handle direct calls and the
10429 old ones indirect calls.
10430 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10432 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
10434 * doc/trouble.texi: Update section on handling of empty loops.
10436 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
10438 * config.gcc: Remove support for sparc-*-openbsd*,
10439 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10441 * config.host: Remove support for i860-*-sysv4* as a host.
10442 * config/i860/*, config/ip2k/*, config/ns32k/*,
10443 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10444 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10445 mention obsolete ports.
10447 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10449 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10450 soft frame pointer.
10451 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10452 of frame_pointer_rtx.
10453 (sh_expand_epilogue): Likewise.
10454 (sh_set_return_address): Likewise.
10455 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10456 instead of FRAME_POINTER_REGNUM if needed. Add elimination
10457 offsets from FRAME_POINTER_REGNUM.
10458 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10459 (sh_register_names): Add initializer for sfp.
10460 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10461 (VALID_REGISTER_P): Likewise.
10462 (FIRST_PSEUDO_REGISTER): Update.
10463 (DWARF_FRAME_REGISTERS): Define.
10464 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10465 (HARD_FRAME_POINTER_REGNUM): Define.
10466 (FRAME_POINTER_REGNUM): Redefine.
10467 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10468 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
10469 from FRAME_POINTER_REGNUM.
10470 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10471 FRAME_POINTER_REGNUM.
10472 (REG_CLASS_CONTENTS): Add sfp.
10473 (REG_ALLOC_ORDER): Likewise.
10474 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
10475 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10476 of frame_pointer_rtx.
10477 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10479 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
10481 * fold-const.c (tree_expr_nonnegative_p): Only return true for
10482 ABS_EXPR when flag_wrapv is false because of INT_MIN.
10483 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10485 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10488 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
10490 Make CONSTRUCTOR use VEC to store initializers.
10491 * c-common.c (complete_array_type): Update to cope with VEC in
10493 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10494 (pp_c_constructor_elts): New function.
10495 * c-pretty-print.h (pp_c_constructor_elts): Declare.
10496 * c-typeck.c (build_function_call, build_c_cast, digest_init,
10497 struct constructor_stack, struct initializer_stack,
10498 constructor_elements, push_init_level, pop_init_level,
10499 add_pending_init, find_init_member, output_init_element): Update to
10500 cope with VEC in CONSTRUCTOR_ELTS.
10501 * coverage.c (build_fn_info_value, build_ctr_info_value,
10502 build_gcov_info): Likewise.
10503 * expr.c (categorize_ctor_elements_1, store_constructor,
10504 expand_expr_real_1): Likewise.
10505 * fold-const.c (fold_ternary): Likewise.
10506 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10507 gimplify_init_constructor, gimplify_expr): Likewise.
10508 * tree-dump.c (dequeue_and_dump): Likewise.
10509 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10511 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10513 * tree-sra.c (generate_element_init_1): Likewise.
10514 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10515 * tree-ssa-operands.c (get_expr_operands): Likewise.
10516 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10517 * tree-vect-transform.c (vect_get_vec_def_for_operand):
10518 (get_initial_def_for_reduction): Likewise.
10519 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10520 value handle in annotations.
10521 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10522 tree_node_structure): Add support for constr_kind.
10523 (build_vector_from_ctor, build_constructor_single,
10524 build_constructor_from_list): New functions.
10525 (build_constructor): Update to take a VEC instead of a TREE_LIST.
10526 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10527 Update to cope with VEC in CONSTRUCTOR_ELTS.
10528 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10529 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10530 CONSTRUCTOR_APPEND_ELT): New macros.
10531 (struct constructor_elt, struct tree_constructor): New data types.
10532 (union tree_node): Add tree_constructor field.
10533 * treestruct.def: Define TS_CONSTRUCTOR.
10534 * varasm.c (const_hash_1, compare_constant, copy_constant,
10535 compute_reloc_for_constant, output_addressed_constants,
10536 initializer_constant_valid_p, output_constant,
10537 array_size_for_constructor, output_constructor): Update to cope with
10538 VEC in CONSTRUCTOR_ELTS.
10539 * vec.h (VEC_empty, VEC_copy): New macros.
10541 2005-07-19 Devang Patel <dpatel@apple.com>
10543 * dbxout.c (dbxout_type): Check Objective-C++ lang.
10545 2005-07-19 Richard Henderson <rth@redhat.com>
10548 * gimplify.c (gimplify_expr): Use main variant type for the temp
10549 destination for a discarded volatile read.
10550 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10551 casts between non-void types that change volatility.
10553 2005-07-15 DJ Delorie <dj@redhat.com>
10555 * toplev.h: Add comment about the first parameter for warning().
10556 * errors.h: Likewise.
10558 * c.opt (Wpragmas): New.
10559 * doc/invoke.texi: Document it.
10561 * function.c (do_warn_unused_parameter): Add warning control to
10563 * c-decl.c (warn_if_shadowing): Likewise.
10564 * c-lex.c (cb_def_pragma): Likewise.
10565 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10566 (pop_alignment): Likewise.
10567 (handle_pragma_pack): Likewise.
10568 (apply_pragma_weak): Likewise.
10569 (handle_pragma_weak): Likewise.
10570 (handle_pragma_redefine_extname): Likewise.
10571 (add_to_renaming_pragma_list): Likewise.
10572 (handle_pragma_extern_prefix): Likewise.
10573 (maybe_apply_renaming_pragma): Likewise.
10574 (handle_pragma_visibility): Likewise.
10576 * config/c4x/c4x-c.c (BAD): Likewise.
10577 (c4x_parse_pragma): Likewise.
10578 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10579 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10580 (rs6000_pragma_longcall): Likewise.
10581 * config/v850/v850-c.c (pop_data_area): Likewise.
10582 (ghs_pragma_section): Likewise.
10583 (ghs_pragma_section): Likewise.
10584 (ghs_pragma_interrupt): Likewise.
10585 (ghs_pragma_starttda): Likewise.
10586 (ghs_pragma_startsda): Likewise.
10587 (ghs_pragma_startzda): Likewise.
10588 (ghs_pragma_endtda): Likewise.
10589 (ghs_pragma_endsda): Likewise.
10590 (ghs_pragma_endzda): Likewise.
10592 2005-07-19 Danny Berlin <dberlin@dberlin.org>
10593 Kenneth Zadeck <zadeck@naturalbridge.com>
10595 * Makefile.in: Removed tree-promote-statics.c
10596 * tree-promote-statics.c: Removed.
10597 * common.opt: Removed flag-promote-statics.
10599 * passes.c: Removed tree-promote-statics pass.
10600 * tree-pass.h: Ditto.
10601 * timevar.def: Removed TV_PROMOTE_STATICS.
10604 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
10606 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10608 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10610 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10613 * c-common.c (check_function_arguments): Call
10614 'check_function_format' if either -Wformat or
10615 -Wmissing-format-attribute are specified.
10616 * c-format.c (check_function_format): Check -Wformat before
10617 calling 'check_format_info'.
10618 * c-opts.c (c_common_post_options): Don't warn for
10619 -Wmissing-format-attribute without -Wformat.
10620 * c-typeck.c (convert_for_assignment): Detect additional cases for
10621 -Wmissing-format-attribute.
10622 * doc/invoke.texi (-Wmissing-format-attribute): Document new
10625 2005-07-19 Richard Guenther <rguenther@suse.de>
10627 * config/i386/i386.md (lrint<mode>2): Use temporary
10628 instead of clobbering non-existent memory.
10630 2005-07-19 Nick Clifton <nickc@redhat.com>
10632 * config/avr/avr.c (legitimate_address_p): Fix debugging print
10633 statement to avoid displaying ASCII control characters.
10635 2005-07-19 Ben Elliston <bje@au.ibm.com>
10637 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10638 * cfganal.c (find_edge_index): Ditto.
10639 * combine.c (combine_instructions): Ditto.
10640 * ddg.c (create_scc): Ditto.
10641 (find_successors): Ditto.
10642 (find_predecessors): Ditto.
10643 (find_nodes_on_paths): Ditto.
10644 (longest_simple_path): Ditto.
10645 * flow.c (update_life_info): Ditto.
10646 (count_or_remove_death_notes): Ditto.
10647 (clear_log_links): Ditto.
10648 * modulo-sched.c (generate_reg_moves): Ditto.
10649 (find_max_asap): Ditto.
10650 (find_max_hv_min_mob): Ditto.
10651 (find_max_dv_min_mob): Ditto.
10652 * sbitmap.c (sbitmap_first_set_bit): Ditto.
10653 * sched-rgn.c (extract_edgelst): Ditto.
10654 * tree-into-ssa.c (prepare_names_to_update): Ditto.
10655 (dump_update_ssa): Ditto.
10656 (ssa_names_to_replace) Ditto.
10657 (switch_virtuals_to_full_rewrite): Ditto.
10658 (update_ssa): Ditto.
10659 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10661 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
10663 Fix PR tree-optimization/22483
10665 * tree-complex.c (create_components): Use
10666 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10667 * tree-flow-inline.h (fill_referenced_var_vec): New function.
10668 * tree-flow.h (safe_referenced_var_iterator): New structure.
10669 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10670 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10671 safe_referenced_var iterator.
10672 (add_type_alias): Ditto.
10674 2005-07-19 Steven Bosscher <stevenb@suse.de>
10676 * loop-init.c (rest_of_handle_loop2): Remove.
10677 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10678 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10679 (pass_rtl_loop_init, pass_rtl_loop_done,
10680 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10681 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10682 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10683 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10684 pass_tree_loop_done, and pass_tree_unswitch.
10685 (gate_loop): Rename to gate_tree_loop.
10686 * passes.c (init_optimization_passes): Update for renamed tree
10687 loop passes. Add the new loop2 passes as subpasses of loop2.
10688 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10689 Update for the renamed tree loop passes.
10691 2005-07-18 Ian Lance Taylor <ian@airs.com>
10693 PR middle-end/22057
10694 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10695 blocks when optimizing.
10697 2005-07-18 Steve Ellcey <sje@cup.hp.com>
10699 * common.opt (frename-registers): Initialize to 2.
10701 (fgcse-after-reload): Ditto.
10702 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10703 (process_options): Only change flag_web, flag_rename_registers,
10704 and flag_rerun_cse_after_loop if not explicitly set by user.
10706 2005-07-18 Jan Beulich <jbeulich@novell.com>
10708 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10709 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10710 in 64-bit mode the same as DImode in 32-bit mode.
10711 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10712 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10713 mode. Add new mode parameter.
10714 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10715 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10716 x86_64_shift_adj): New expanders.
10717 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10718 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10720 Respective new splitters. Use renamed shift splitter helpers in 32-bit
10721 DImode shift splitters.
10722 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10723 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10726 2005-07-18 Jan Beulich <jbeulich@novell.com>
10728 * i386.md (movdi_extzv_1): New.
10729 (zero_extendhidi2): Combine alternatives and never force use of
10731 (zero_extendqidi2): Likewise. Don't restrict input selection.
10733 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10735 Fix PR tree-optimization/22531
10736 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
10739 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10741 * tree-promote-statics.c (pass_promote_statics): Change dump file
10744 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10746 * tree-optimize.c (init_tree_optimization_passes): Add
10747 pass_eliminate_useless_stores pass.
10748 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10749 * tree-ssa-pre.c (is_copy_stmt): New function.
10750 (follow_copies_till_vuse): Ditto.
10751 (do_eustores): Ditto.
10752 (gate_eustores): Ditto.
10754 2005-07-16 Richard Henderson <rth@redhat.com>
10756 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10758 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10759 Kenneth Zadeck <zadeck@naturalbridge.com>
10761 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10762 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10763 ipa-type-escape.h, tree-promote-statics.c
10764 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10765 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10766 tree-promote-statics.c: new files.
10767 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10768 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10769 int nonlocal_set_p, mark_constant_function): Deleted.
10770 (rest_of_handle_cfg): Removed call to mark_constant_function.
10771 (nonoverlapping_component_refs_p): Added calls to support
10772 type based aliasing.
10773 * tree-ssa-alias.c (may_alias_p,
10774 compute_flow_insensitive_aliasing): Ditto.
10775 * calls.c (flags_from_decl_or_type): Removed reference to
10777 * c-typeck.c (convert_arguments): Make builtins tolerant of having
10778 too many arguments. This is necessary for Spec 2000.
10779 * cgraph.h (const_function, pure_function): Removed.
10780 * common.opt: Added "fipa-pure-const", "fipa-reference",
10781 "fipa-type-escape", and "ftree-promote-static".
10783 * passes.c: Added ipa and tree-promote-statics passes.
10784 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10785 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10786 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10787 * tree-flow.h: Added exposed sra calls and addition of
10788 reference_vars_info field for FUNCTION_DECLS.
10789 * tree-pass.h: Added passes.
10790 * tree-sra.c: (sra_init_cache): New function.
10791 (sra_insert_before, sra_insert_after) Made public.
10792 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10794 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10795 aliasing. (may_alias_p): Added code to use type escape analysis to
10796 improve alias sets.
10797 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10798 code to prune clobbers of static variables based on information
10799 produced in ipa-reference pass. Changed call clobbering so that
10800 statics are not marked as clobbered if the call does not clobber
10803 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
10805 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10808 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10810 * doc/install.texi (*-*-solaris2*): Document recommended version
10811 of GNU binutils and mention GNU linker problem on Solaris 10.
10813 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
10816 * c-decl.c (c_build_bitfield_integer_type): New function.
10817 (finish_struct): Call it.
10818 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10820 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10822 * c-typeck.c (digest_init): Call 'convert_for_assignment'
10825 2005-07-16 Jan Hubicka <jh@suse.cz>
10827 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10828 (scale_bbs_frequencies_int): Watch roundoff errors.
10829 * predict.c (return_prediction): Initialize return_stmt.
10831 2005-07-16 Jan Hubicka <jh@suse.cz>
10833 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10834 after RTL profiling.
10836 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
10838 PR middle-end/22398
10839 * fold-const.c (build_range_check): Convert high/low to etype
10840 if we are only comparing against exp.
10842 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
10844 Fix PR tree-optimization/22376
10845 * tree-ssa-structalias.c (build_constraint_graph): We really meant
10847 (need_to_solve): New function.
10848 (compute_points_to_sets): Use it.
10850 2005-07-15 Jan Hubicka <jh@suse.cz>
10852 * cfg.c (update_bb_profile_for_threading): More diagnostic.
10853 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10855 2005-07-15 Richard Guenther <rguenther@suse.de>
10857 * c-common.c (handle_flatten_attribute): New function.
10858 Add flatten function attribute.
10859 * doc/extend.texi: Document flatten function attribute.
10860 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10861 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10863 (cgraph_decide_inlining): Handle functions with flatten
10866 2005-07-14 David Edelsohn <edelsohn@gnu.org>
10868 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10869 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10870 UNSPEC_XCHG, UNSPEC_AND): New.
10871 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10872 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10873 * config/rs6000/sync.md (FETCHOP): New code macro.
10874 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10876 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10877 (sync_compare_and_swap<mode>): Same.
10878 (sync_lock_test_and_set<mode>): Same.
10879 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10880 for QImode and HImode, and not PPC405.
10881 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10882 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10883 (sync_<fetchop>{si,di}_internal): New.
10884 (sync_nand{si,di}_internal): New.
10885 (sync_old_<fetchop>{si,di}_internal): New.
10886 (sync_old_nand{si,di}_internal): New
10887 (sync_new_<fetchop>{si,di}_internal): New.
10888 (sync_new_nand{si,di}_internal): New.
10889 (atomic_and{si,di}): New.
10890 (sync_new_nand{si,di}_internal): New.
10891 (atomic_and{si,di}): New.
10892 (sync_add<mode>_internal): Delete.
10893 (sync_addshort_internal): Use unspec instead of unspec_volatile.
10894 (sync_sub<mode>_internal): Delte.
10895 (sync_subshort_internal): New.
10896 (sync_andsi_internal): Use unspec instead of unspec_volatile.
10897 (sync_anddi_internal): Delete.
10898 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10899 (sync_booldi_internal): Delete.
10900 (sync_boolc<mode>_internal): Delete.
10901 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10902 (sync_boolc<mode>_internal2): Delete.
10903 (sync_boolcc<mode>_internal): Delete.
10904 (isync, lwsync): Use unspec instead of unspec_volatile.
10905 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10906 Revert UNSPEC_VOLATILE.
10907 (rs6000_split_atomic_op): New.
10908 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10910 2005-07-14 Eric Christopher <echristo@redhat.com>
10912 * config/mips/mips.c (mips_canonicalize_comparison): Cast
10913 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10915 2005-07-14 Eric Christopher <echristo@redhat.com>
10917 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10919 2005-07-14 Steven Bosscher <stevenb@suse.de>
10921 PR tree-optimization/22230
10922 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10923 the computation of the four cross productions for "range op range".
10925 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
10926 Ulrich Weigand <uweigand@de.ibm.com>
10929 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10932 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
10934 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10936 2005-07-14 Steve Ellcey <sje@cup.hp.com>
10938 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10940 2005-07-14 Richard Guenther <rguenther@suse.de>
10942 PR middle-end/22347
10943 * config/i386/i386-protos.h (ix86_function_value): Change
10944 prototype to match new target hook.
10945 * config/i386/i386.c (ix86_value_regno): Change prototype
10946 to take extra type argument.
10947 (TARGET_FUNCTION_VALUE): Define.
10948 (ix86_function_ok_for_sibcall): Pass extra argument to
10949 ix86_value_regno, check return slot rtx for exact match.
10950 (ix86_function_value): Take extra parameter. Dispatch to
10951 ix86_value_regno with fndecl/fntype as provided.
10952 (ix86_value_regno): Handle extra type argument.
10953 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10955 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10956 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10957 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10958 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10959 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10961 2005-07-14 Richard Guenther <rguenther@suse.de>
10963 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10964 * calls.c (expand_call): Pass fntype to hard_function_value.
10965 (emit_library_call_value_1): Likewise.
10966 * explow.c: Include target.h.
10967 (hard_function_value): Take extra argument, the fntype.
10968 Use new target hook for function_value.
10969 * expr.h (hard_function_value): Change prototype.
10970 * function.c (aggregate_value_p): Pass 0 as fntype to
10971 hard_function_value.
10972 (assign_parms): Use new target hook for function_value.
10973 Pass 0 as fntype to hard_function_value.
10974 (expand_function_end): Likewise.
10975 * reg-stack.c: Include target.h.
10976 (stack_result): Use new target hook for function_value.
10977 * target-def.h: New target hook function_value.
10978 * target.h: Likewise.
10979 * targhooks.c (default_function_value): New function.
10980 * targhooks.h (default_function_value): Declare.
10982 2005-07-13 Ian Lance Taylor <ian@airs.com>
10984 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10986 2005-07-14 Jan Hubicka <jh@suse.cz>
10988 * tree-dfa.c (dump_variable): Use default_def function.
10989 * tree-ssa-alias.c (dump_points_to_info): Likewise.
10990 * tree-ssa.c (verify_use): Likewise.
10991 * tree-ssanames.c (release_ssa_name): Likewise.
10992 * tree-tailcall.c (eliminate_tail_call): Likewise.
10993 (tree_optimize_tail_calls_1): Likewise.
10994 * tree-vrp.c (get_value_range): Likewise.
10996 2005-07-14 Ben Elliston <bje@au.ibm.com>
10998 * gcc.c (main): Compare language[0] with '*' when iterating over
11001 2005-07-13 Adrian Straetling <straetling@de.ibm.com>
11003 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
11004 "s390_emit_compare". Add handling of CCZ1mode.
11005 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
11006 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
11008 (s390_branch_condition_mask): Add CCZ1mode handling.
11009 * config/s390/s390.md: ("seq", "*seq"): New pattern.
11010 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
11011 Use CCZ1mode instead of CCZmode.
11012 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
11014 2005-07-13 Adrian Straetling <straetling@de.ibm.com>
11016 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
11018 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
11020 2005-07-13 Eric Christopher <echristo@redhat.com>
11022 * config/mips/mips.c (mips_canonicalize_comparison): New.
11023 (mips_emit_int_relational): Use.
11025 2005-07-13 Eric Christopher <echristo@redhat.com>
11027 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11028 static extra parts.
11029 * config/s390/s390.md: Include tpf.md. Move tpf specific
11031 * config/s390/tpf.md: To here.
11032 * config/s390/s390.opt: Move tpf specific options...
11033 * config/s390/tpf.opt: to here. Add mmain option.
11034 * config/s390/tpf-unwind.h: Remove unnecessary defines.
11035 * config/s390/tpf.h: Rewrite.
11037 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
11039 * doc/tm.texi: Remove @xref{Cross-profiling}.
11041 2005-07-13 Jeff Law <law@redhat.com>
11043 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
11044 expressions, test their _DECL operands for pointer equality rather
11045 than using operand_equal_p.
11047 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
11049 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
11050 (TARGET_POSIX_IO): This.
11051 * config/darwin.h: Likewise.
11052 * config/freebsd.h: Likewise.
11053 * config/linux.h: Likewise.
11054 * config/lynx.h: Likewise.
11055 * config/netbsd.h: Likewise.
11056 * config/rs6000/linux64.h: Likewise.
11057 * config/rs6000/linux.h: Likewise.
11058 * config/s390/tpf.h: Likewise.
11059 * config/sh/embed-elf.h: Likewise.
11060 * config/sparc/linux64.h: Likewise.
11061 * config/sparc/linux.h: Likewise.
11062 * config/svr4.h: Likewise.
11063 * gcov-io.h: Likewise.
11065 * doc/tm.texi: Updated.
11067 * libgcov.c (create_file_directory): Defined only if
11068 TARGET_POSIX_IO is defined.
11069 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
11072 2005-07-13 Jan Hubicka <jh@suse.cz>
11074 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
11076 2005-07-13 David Edelsohn <edelsohn@gnu.org>
11078 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
11079 structure as argument.
11081 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
11083 PR tree-optimization/21921
11084 * tree-iterator.c (tsi_link_before): Support the case when
11085 tsi_end_p (tsi) == true.
11087 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11089 PR tree-optimization/22442
11090 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
11093 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11095 PR rtl-optimization/20376
11096 * toplev.c (process_options): Enable -fweb and -frename-registers when
11098 * doc/invoke.texi: Update the information about when -fweb and
11099 -frename-registers are enabled.
11101 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11104 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
11105 if *rhs_p is not a SSA_NAME.
11107 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
11109 Fix PR tree-optimization/22422
11110 * tree-ssa-structalias.c (struct variable_info): Add flag for
11112 (get_varinfo): Now a static function.
11113 (new_varinfo): init has_union and is_special_var to false.
11114 (solution_set_add): Check has_union.
11115 (do_da_constraint): Move temporary variable so it gets reset
11117 Also check for special variable.
11118 (do_ds_constraint): Ditto.
11119 (do_sd_constraint): Ditto.
11120 (do_structure_copy): Check for special variable.
11121 (find_func_aliases): Ditto.
11122 (init_base_vars): Set special vars properly.
11124 2005-07-13 Jan Hubicka <jh@suse.cz>
11126 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
11129 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
11130 (get_expr_operands): Fix thinko wrt flags and subvars.
11132 PR tree-optimize/22379
11133 * tree-inline.c (expand_call_inline): Do not output sorry in early
11136 2005-07-12 Dale Johannesen <dalej@apple.com>
11138 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
11140 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11143 * host-linux.h: Include limits.h.
11145 2005-07-12 Dale Johannesen <dalej@apple.com>
11147 * expr.c (compress_float_constant): Add cost check.
11148 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
11150 2005-07-12 Dale Johannesen <dalej@apple.com>
11152 * gcc.target/i386/compress-float-sse.c: New.
11153 * gcc.target/i386/compress-float-sse-pic.c: New.
11154 * gcc.target/i386/compress-float-387.c: New.
11155 * gcc.target/i386/compress-float-387-pic.c: New.
11156 * gcc.dg/compress-float-ppc.c: New.
11157 * gcc.dg/compress-float-ppc-pic.c: New.
11159 2005-07-12 Eric Christopher <echristo@redhat.com>
11161 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11162 static extra parts.
11163 * config/s390/s390.md: Include tpf.md. Move tpf specific
11165 * config/s390/tpf.md: To here.
11166 * config/s390/s390.opt: Move tpf specific options...
11167 * config/s390/tpf.opt: to here. Add mmain option.
11168 * config/s390/tpf-unwind.h: Remove unnecessary defines.
11169 * config/s390/tpf.h: Rewrite.
11171 2005-07-12 Eric Christopher <echristo@redhat.com>
11173 * gcc.c (struct infile): Update comment for language.
11174 (main): Rewrite input file resetting code.
11176 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11179 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
11180 requiring a cast in a non RHS of modify_expr. Add a cast when required.
11181 (lookup_avail_expr): Use constant_boolean_node instead
11182 of boolean_false_node/boolean_true_node.
11184 2005-07-12 Ben Elliston <bje@au.ibm.com>
11186 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
11187 and use it when printing num_edges.
11189 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
11191 * doc/extend.texi (Blackfin Built-in Functions): New section.
11192 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
11195 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
11197 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
11198 s/cmpstrsi/cmpstrnsi
11199 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
11201 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
11202 (init_optabs): Initialize cmpstrn_optab.
11203 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
11204 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
11205 * expr.c: (enum insn_code cmpstrn_optab): Declare.
11206 * config/i386/i386.md: s/cmpstr/cmpstrn
11207 * config/c4x/c4x.md: s/cmpstr/cmpstrn
11208 * doc/md.texi: Update documentation.
11210 2005-07-11 Richard Henderson <rth@redhat.com>
11212 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
11213 build_va_arg_indirect_ref.
11214 (alpha_gimplify_va_arg): Likewise.
11215 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
11216 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11217 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
11218 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
11219 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11220 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
11222 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11224 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11226 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
11227 * passes.c (init_optimization_passes): Add pass_empty_loop.
11228 * tree-pass.h (pass_empty_loop): Declare.
11229 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
11230 try_remove_empty_loop, remove_empty_loops): New functions.
11231 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
11232 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
11234 2005-07-12 Peter Barada <peter@the-baradas.com>
11236 PR middle-end/16719
11237 PR middle-end/18421
11238 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
11239 in address registers.
11240 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
11241 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
11242 alternative of addsi3_5200.
11244 2005-07-11 Ian Lance Taylor <ian@airs.com>
11246 * config/mips/mips.md (ffs<mode>2): Remove.
11248 2005-07-11 Ian Lance Taylor <ian@airs.com>
11250 * doc/tree-ssa.texi (Cleanups): Improve description of
11252 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
11254 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
11256 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
11257 * tree.h (DECL_ARGUMENT_FLD): New macro.
11259 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
11261 Fix PR tree-optimization/22404
11263 * tree-ssa-structalias.c (create_variable_info_for): Use
11266 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
11268 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
11269 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
11270 for second comparison operand.
11271 * config/bfin/predicates.md (reg_or_const_int_operand): New.
11273 * config/bfin/bfin.md (define_attr "type"): Add "sync".
11274 (define_insn_reservation "alu"): Likewise.
11275 (csync, ssync): Now of type sync.
11276 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
11277 -mcsync-anomaly -mspecld-anomaly.
11278 * config/bfin/bfin.opt (mcsync): Remove.
11279 (mcsync-anomaly, mspecld-anomaly): Add.
11280 * config/bfin/bfin.c: Include "insn-codes.h".
11281 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
11282 (TARGET_DEFAULT_TARGET_FLAGS): New.
11283 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
11285 2005-07-11 Steven Bosscher <stevenb@suse.de>
11287 * basic-block.h: Give the BB flags enum a name, bb_flags.
11288 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
11289 * cfgcleanup.c (enum bb_flags): Remove here.
11290 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
11291 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
11292 (update_forwarder_flag): Likewise.
11293 (thread_jump): Likewise.
11294 (try_forward_edges): Likewise.
11295 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
11296 forwarder flags. Don't clear bb->aux for all basic blocks. Only
11297 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
11299 2005-07-11 Richard Guenther <rguenther@suse.de>
11301 * config/i386/i386.opt: New target option -msseregparm.
11302 * config/i386/i386.c (override_options): Error out for
11303 -msseregparm but no SSE support.
11304 (ix86_function_sseregparm): Check for global sseregparm.
11305 * doc/invoke.texi: Document -msseregparm.
11307 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11309 * config.gcc (m32r-*-linux*): Use the default extra_parts.
11310 (m32rle-*-linux*): Ditto.
11312 2005-07-11 Jakub Jelinek <jakub@redhat.com>
11314 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
11315 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
11318 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11320 PR middle-end/22239
11322 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
11323 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
11325 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
11327 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
11328 (varmap): Heapify varmap.
11329 (constraints): Heapify constraints.
11330 (struct constraint_graph): Heapify succs and preds.
11331 (constraint_vec_find): Update for heapification.
11332 (constraint_set_union): Ditto.
11333 (insert_into_complex): Ditto.
11334 (constraint_edge_vec_find): Ditto.
11335 (erase_graph_self_edge): Ditto.
11336 (add_graph_edge): Ditto.
11337 (get_graph_weights): Ditto.
11338 (merge_graph_nodes): Ditto.
11339 (build_constraint_graph): Ditto.
11340 (topo_visit): Ditto.
11341 (solve_graph): Ditto.
11342 (create_variable_info_for): Ditto.
11343 (init_base_vars): Ditto.
11344 (delete_points_to_sets): Free graph, varmap, and complex constraints.
11345 (condese_varmap_nodes): Free complex vector.
11346 (clear_edges_for_node): Clear succs and preds vector.
11348 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
11350 * tree-ssa-structalias.c (update_alias_info): Change counting of
11351 references to not include vdefs.
11353 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
11355 * tree-ssa-alias.c (free_used_part_map): Add missing free.
11356 (up_insert): Ditto.
11358 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11360 * pa.c (pa_commutative_p): Make PLUS commutative when
11361 TARGET_NO_SPACE_REGS is true.
11363 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11365 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
11366 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
11367 * tree-dfa.c (dump_subvars_for): New.
11368 (debug_subvars_for): New.
11369 (dump_variable): Show subvariables if VAR has them.
11370 * tree-flow-inline.h (get_subvar_at): New.
11371 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
11372 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
11374 (struct subvar): Change fields offset and size to unsigned
11376 (dump_subvars_for): Declare.
11377 (debug_subvars_for): Declare.
11378 (get_subvar_at): Declare.
11379 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11380 to unsigned HOST_WIDE_INT *.
11381 (overlap_subvar): Likewise.
11382 * tree-gimple.c (is_gimple_reg): Always return false for
11383 SFTs and memory tags.
11384 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11385 Update all callers.
11386 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11387 (compute_may_aliases): Call compute_points_to_sets.
11388 (collect_points_to_info_for): Remove.
11389 (compute_points_to_and_addr_escape): Remove.
11390 (delete_alias_info): Call delete_points_to_sets.
11391 (compute_flow_sensitive_aliasing): If the call to
11392 find_what_p_points_to returns false, call set_pt_anything.
11393 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11394 (set_pt_anything): Clear pi->pt_vars.
11395 (set_pt_malloc): Remove.
11396 (merge_pointed_to_info): Remove.
11397 (add_pointed_to_expr): Remove.
11398 (add_pointed_to_var): Remove.
11399 (collect_points_to_info_r): Remove.
11400 (is_escape_site): Make extern.
11402 (create_overlap_variables_for): Call it.
11403 * tree-ssa-copy.c (merge_alias_info): Never merge
11404 flow-sensitive alias information.
11405 * tree-ssa-operands.c (get_expr_operands): Adjust variables
11406 offset and size to be unsigned HOST_WIDE_INT.
11407 (add_to_addressable_set): Rename from note_addressable.
11408 Set TREE_ADDRESSABLE as the variables are added to the set.
11410 (add_stmt_operand): Do not try to micro-optimize unmodifiable
11411 operands into VUSEs when adding V_MAY_DEFs for members in an
11413 * tree-ssa-operands.h (add_to_addressable_set): Declare.
11414 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11415 (struct variable_info): Add bitfield is_heap_var.
11416 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11417 (new_var_info): Initialize is_heap_var.
11418 (get_constraint_for): Add HEAP variables to the symbol table.
11419 Mark them with is_heap_var.
11420 (update_alias_info): New. Taken mostly from the old
11421 compute_points_to_and_addr_escape.
11422 (handle_ptr_arith): New.
11423 (find_func_aliases): Call update_alias_info.
11424 Call handle_ptr_info for tcc_binary expressions.
11425 Call mark_stmt_modified.
11426 (create_variable_info_for): If DECL has subvars, do not create
11427 variables for its subvars. Always add all the fields.
11428 (set_uids_in_ptset): If the solution includes ANYOFFSET and
11429 SFTs, then add all the SFTs of the structure.
11430 If VI->DECL is an aggregate with subvariables, add the SFT at
11432 (find_what_p_points_to): If VI is an artificial variable,
11433 translate to bitfields in SSA_NAME_PTR_INFO.
11434 If the solution is empty, set pi->pt_vars to NULL
11435 (init_base_vars): Create ANYOFFSET.
11436 (compute_points_to_sets): Rename from create_alias_vars.
11438 (pass_build_pta): Remove.
11439 (delete_points_to_sets): Rename from delete_alias_vars.
11440 (pass_del_pta): Remove.
11441 * tree-ssa-structalias.h (struct alias_info): Move from
11443 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11444 NUM_REFERENCES_SET): Likewise.
11445 (compute_points_to_sets, delete_points_to_sets): Declare.
11447 2005-07-09 Richard Henderson <rth@redhat.com>
11449 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11450 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11451 alpha_split_lock_test_and_set_12): New functions.
11452 * config/alpha/alpha-protos.h: Update.
11453 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11454 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11455 * config/alpha/sync.md (I12MODE): New.
11456 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11457 (sync_<fetchop_name><I48MODE>): Likewise.
11458 (sync_nand<I48MODE>): Likewise.
11459 (sync_old_<fetchop_name><I48MODE>): Likewise.
11460 (sync_new_<fetchop_name><I48MODE>): Likewise.
11461 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11462 (sync_compare_and_swap<I48MODE>): Likewise.
11463 (sync_lock_test_and_set<I48MODE>): Likewise.
11464 (sync_compare_and_swap<I12MODE>): New.
11465 (sync_compare_and_swap<I12MODE>_1): New.
11466 (sync_lock_test_and_set<I12MODE>): New.
11467 (sync_lock_test_and_set<I12MODE>_1): New.
11469 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11473 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11475 2005-07-09 Jakub Jelinek <jakub@redhat.com>
11477 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11478 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11480 2005-07-09 Richard SAndiford <richard@codesourcery.com>
11483 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11485 2005-07-08 David Edelsohn <edelsohn@gnu.org>
11487 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11488 memory_operand constraint.
11489 (store_conditional_<mode>): Same.
11490 (sync_compare_and_swap<mode>): Same.
11491 (sync_lock_test_and_set<mode>): Same.
11493 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
11495 Rewrite PIC support to more closely model actual instructions.
11496 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11497 (cris_symbol): Remove prototypes for removed functions.
11498 (cris_pic_symbol_type_of, cris_valid_pic_const)
11499 (cris_expand_pic_call_address): Prototypes for new functions.
11500 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11502 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11504 <case ':'>: Add case for new punctuation character.
11505 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11506 emitting (extra) PIC modifier.
11507 <case UNSPEC>: Do not assert for PLT.
11508 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11509 (cris_expand_prologue, cris_expand_epilogue): Check
11510 for pic_offset_table_rtx usage instead of taking
11511 current_function_uses_pic_offset_table as the final word.
11512 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11513 Remove flag_pic difference.
11514 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11515 the moral equivalents of...
11516 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11518 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11519 (cris_handle_option): Mark ARG as unused.
11520 (cris_expand_pic_call_address): New worker function for "call",
11522 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11523 output PIC constructs here.
11524 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11525 as symbol-specific modifers, not whole or part of operands.
11526 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11527 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11528 constants and flag_pic.
11529 (CONSTANT_INDEX_P): Adjust for new functions.
11530 (enum cris_pic_symbol_type): New helper type.
11531 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11532 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11533 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11535 ("movsi"): Emit actual instructions for GOT and relative access.
11536 ("*movsi_got_load"): New pattern to set up the register holding
11538 ("*movsi_internal"): Operand 1 is not a plain general_operand.
11539 Adjust FIXME for 'S'.
11540 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11541 Use "movs" for -fpic cases.
11542 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11543 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11544 ("call", "call_value"): Just call cris_expand_pic_call_address for
11546 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11547 Remove special pattern.
11548 ("*expanded_call_side", "*expanded_call_value_side"): New
11550 (gotplt-to-plt, gotplt-to-plt-side-call)
11551 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11553 * config/cris/cris/predicates.md
11554 ("cris_general_operand_or_gotless_symbol"): Remove unused
11556 ("cris_general_operand_or_symbol"): Adjust for new functions.
11558 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11560 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11562 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
11564 * Makefile.in (TREE_H): Add treestruct.def.
11565 (c-decl.o): Add pointer-set.h
11566 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11567 visibility on regular DECL's.
11568 (merge_decls): Fix the copying of decl nodes of various types for
11569 the new structures. Don't update RTL, section name, weak status,
11570 etc, on DECL's without RTL.
11571 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11572 Don't check volatile on non-variable types.
11573 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11574 to check whether we have seen arguments.
11575 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11576 flag is checked before field (flag is common, field is not).
11577 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
11578 TS_DECL_COMMON could have an origin.
11579 (add_location_or_const_value_attribute): Don't check section name
11580 on non-var/function decls.
11581 (dwarf2out_var_location): Reverse order of tests.
11582 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11583 with DECL_WRTL_CHECK.
11584 * expmed.c (make_tree): rtl is now in decl_with_rtl.
11585 * fold-const.c (fold_binary): Don't check weakness on
11586 non-var/function decls.
11587 (tree_expr_nonzero_p): Ditto.
11588 (fold_checksum_tree): Use tree_decl_extra as sizeof
11590 * ggc-page.c (extra_order_size_table): Add sizes for
11591 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
11593 * gimplify.c (gimplify_bind_expr): Only set
11594 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11595 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11597 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11598 * langhooks.h (init_ts). New langhook.
11599 * passes.c (rest_of_decl_compilation): Reverse order of tests.
11600 * print-tree.c (print_node): Update to only print fields that
11601 exist in the structures the passed decl has.
11602 * toplev.c (wrapup_global_declarations): Don't reset
11603 DECL_DEFER_OUTPUT on DECL's that don't contain it.
11604 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11605 * tree-inline.c (remap_decl): Ditto.
11606 * tree-outof-ssa.c (create_temp): Reverse order of tests.
11607 * tree-pretty-print.c (print_declaration): Don't print
11608 DECL_REGISTER on things that don't contain it.
11609 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11610 non-var/function decls.
11611 * tree.c (tree_contains_struct): New structure.
11612 (init_priority_for_decl): New hashtable.
11613 (tree_int_map): New structure.
11614 (tree_int_map_eq): New function.
11615 (tree_int_map_marked_p): Ditto.
11616 (tree_int_map_hash): Ditto.
11617 (tree_map): Move to tree.h.
11618 (tree_map_eq): Externalize.
11619 (tree_map_hash): Ditto.
11620 (tree_map_marked_p): Ditto.
11621 (init_ttree): Set up tree_contains_struct and call langhook.
11622 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11623 (tree_code_size): Update for new structures.
11624 (tree_node_structure): Update for new structures.
11625 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11627 (copy_node_stat): Copy init priority.
11628 (build_decl_stat): Ditto for visibility.
11629 (ts_enum_names): New.
11630 (tree_contains_struct_check_failed): New function.
11631 (decl_init_priority_lookup): Ditto.
11632 (decl_init_priority_insert): Ditto.
11633 * treestruct.def: New file.
11634 * tree.h (CODE_CONTAINS_STRUCT): New macro.
11635 (CONTAINS_STRUCT_CHECK): Ditto.
11636 (tree_contains_struct_check_failed): New prototype.
11637 (DECL_CHECK): Removed.
11638 (DECL_MINIMAL_CHECK): New.
11639 (DECL_COMMON_CHECK): Ditto.
11640 (DECL_WRTL_CHECK): Ditto.
11641 (DECL_NON_COMMON_CHECK): Ditto.
11642 (DECL_WITH_VIS_CHECK): Ditto.
11643 (VAR_OR_FUNCTION_DECL_P): Ditto
11644 (struct tree_decl_minimal): New structure.
11645 (struct tree_decl_common): Ditto.
11646 (struct tree_decl_with_rtl): Ditto.
11647 (struct tree_decl_with_vis): Ditto.
11648 (struct tree_decl_non_common): Ditto.
11649 (struct tree_field_decl): Ditto.
11650 (struct tree_parm_decl): Ditto.
11651 (struct tree_var_decl): Ditto.
11652 (struct tree_function_decl): Ditto.
11653 (struct tree_const_decl): Ditto.
11654 (struct tree_result_decl): Ditto.
11655 (union tree_node): Add new structures.
11656 * var-tracking.c (track_expr_p): Reverse order of tests.
11658 * doc/c-tree.texi: Add documentation on DECL node internal structure.
11660 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11662 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11663 * system.h: Poison FINALIZE_PIC.
11664 * doc/tm.texi (FINALIZE_PIC): Remove.
11666 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11669 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11670 to the correct type if we have a MODIFY_EXPR.
11672 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11674 PR tree-optimization/22360
11675 * tree.c (upper_bound_in_type): Fix calculations for casting
11676 to a non-wider signed type and casting a signed value to a
11677 wider unsigned type.
11678 (lower_bound_in_type): Fix calculations for casting to a
11679 non-wider signed type.
11681 PR tree-optimization/20139
11682 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11684 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11685 fold_cond_expr_cond.
11686 * tree-ssanames.c (release_defs): Assert in_ssa_p.
11687 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11689 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11692 * tree-complex.c (expand_complex_libcall): Produce
11693 REALPART_EXPR/IMAGPART_EXPR with the correct type.
11695 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
11697 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11698 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11699 b" assert and inserted fastpath code for this case.
11700 (bitmap_ior): Removed "a != b" assert.
11702 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11704 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11705 (ENDFILE_SPEC): Likewise.
11706 * config/m32r/m32r.h (ASM_SPEC): Likewise.
11708 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11709 a large stack frame at epilogue.
11711 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
11713 * final.c: Include sdbout.h when required.
11715 2005-07-07 Geoffrey Keating <geoffk@apple.com>
11717 * config.gcc (*-*-darwin*): Only one target-specific header file
11718 for generic darwin.
11719 (powerpc-*-darwin*): Add version-specific header files.
11720 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11721 * config.in: Regenerate.
11722 * configure: Regenerate.
11723 * gcc.c: Include xregex.h.
11724 (version_compare_spec_function): New.
11725 (spec_function): Add version-compare.
11726 (replace_outfile_spec_function): Reformat comment.
11727 (compare_version_strings): New.
11728 * config/darwin-c.c (version_as_macro): New.
11729 (builtin_define): New.
11730 (darwin_cpp_builtins): New.
11731 * config/darwin-protos.h (darwin_cpp_builtins): New.
11732 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11733 (LIB_SPEC): Make unconditional, update comment.
11734 (TARGET_C99_FUNCTIONS): Define.
11735 * config/darwin.opt: Sort.
11736 (mmacosx-version-min=): New.
11737 * config/darwin7.h: Delete.
11738 * config/darwin8.h: Delete.
11739 * config/i386/darwin.h (): Call darwin_cpp_builtins.
11740 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11741 (TARGET_C99_FUNCTIONS): Define.
11742 * config/rs6000/darwin7.h: New.
11743 * config/rs6000/darwin8.h: New.
11744 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11745 (-mmacosx-version-min): Document.
11747 2005-07-07 Ian Lance Taylor <ian@airs.com>
11749 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11751 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
11753 PR middle-end/22239
11754 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11756 2005-07-07 Khem Raj <kraj@mvista.com>
11758 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11759 in bytes, not words.
11761 2005-07-07 Paul Brook <paul@codesourcery.com>
11763 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11764 DEFAULT_FUNCTION_ARG_PADDING to upward.
11766 2005-07-07 Richard Henderson <rth@redhat.com>
11768 * function.c (locate_and_pad_parm): Record parameter alignment in
11769 stack_alignment_needed.
11771 2005-07-07 David Edelsohn <edelsohn@gnu.org>
11773 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11774 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11775 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11776 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11777 (define_attr "type"): Add isync, sync, load_l, store_c.
11778 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11779 Create scratch volatile MEM.
11780 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
11782 (load_locked_<mode>): New.
11783 (store_conditional_<mode>): New.
11784 (sync_compare_and_swap<mode>): Replace with splitter.
11785 (sync_lock_test_and_set<mode>): Replace with splitter.
11786 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11788 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
11789 is ics. Attribute isync.
11790 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
11792 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11793 and UNSPECV_SYNC_OP.
11794 (emit_unlikely_jump): New.
11795 (emit_load_locked): New.
11796 (emit_store_conditional): New.
11797 (rs6000_split_compare_and_swap): New.
11798 (rs6000_split_lock_test_and_set): New.
11799 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11800 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11801 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11802 rs6000_split_lock_test_and_set): Declare.
11803 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11804 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11805 store_c, isync, sync.
11807 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
11809 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11810 filenames to gtyp-gen.h.
11811 (s-typ-gen): Use it in place of for loops.
11813 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
11815 * hooks.c (hook_bool_rtx_int_false): New function.
11816 * hooks.h (hook_bool_rtx_int_false): Declare.
11817 * target-def.h (TARGET_COMMUTATIVE_P): Define.
11818 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11819 * target.h (struct gcc_target): Add commutative_p member.
11820 * targhooks.c (hook_bool_rtx_commutative_p): New function.
11821 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11822 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11823 (pa_commutative_p): New function.
11824 * jump.c (target.h): Include.
11825 (rtx_renumbered_equal_p): Use targetm.commutative_p.
11826 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11828 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11830 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11831 (s390_expand_setmem): New.
11832 * config/s390/s390.c: Likewise.
11833 (print_shift_count_operand): Truncate to 12 bits instead of 6.
11835 * config/s390/s390.md: ("setmem<mode>"): Accept character as
11836 general_operand. Call new function "s390_expand_setmem".
11837 ("clrmem_long", "*clrmem_long"): Rewrite to ...
11838 ("setmem_long", "*setmem_long"): ... this.
11840 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11842 * config/s390/s390.c: (optimization_options): Enable
11843 TARGET_MVCLE at -Os.
11844 * doc/invoke.texi: Document changes in default behaviour.
11845 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11847 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11849 * expr.c: (set_storage_via_setmem): Convert opchar to mode
11850 defined by back-end.
11852 2005-07-07 Jakub Jelinek <jakub@redhat.com>
11854 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11855 all sets in the pattern.
11856 * config/rs6000/rs6000.md (stack_protect_testsi,
11857 stack_protect_testdi): Likewise.
11859 2005-07-06 Jeff Law <law@redhat.com>
11861 * tree-vrp.c (simplify_using_ranges): Kill.
11862 (vrp_finalize): Remove call to simplify_using_ranges.
11863 (simplify_stmt_using_ranges): New function extracted from
11864 simplify_using_ranges.
11865 (simplify_div_or_mod_using_ranges): Likewise.
11866 (simplify_abs_using_ranges): Likewise.
11867 (simplify_cond_using_ranges): New function.
11868 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11869 * tree-ssa-propagate.c (substitute_and_fold): Call
11870 simplify_stmt_using_ranges if we have range information.
11872 2005-07-06 James E. Wilson <wilson@specifixinc.com>
11874 * config/ia64/ia64.c (ia64_reorg): Check optimize before
11875 ia64_flag_schedule_isns2.
11877 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11878 reading/writing general registers.
11879 (ia64_function_arg): Revert 2005-06-18 change.
11881 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
11883 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11884 (legitimize_tls_address): Use gcc_unreachable instead of abort.
11886 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
11888 * function.c (expand_function_end): Revert part of 2005-06-27
11889 patch. Do sjlj_emit_function_exit_after after return_label.
11891 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
11893 * doc/install.texi (--disable-libssp): New.
11895 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
11897 * doc/invoke.texi: Update -fforce-mem documentation.
11898 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11899 code for -fforce-mem.
11900 * expmed.c: (store_bit_field,store_fixed_bit_field,
11901 extract_bit_field): Ditto.
11902 * expr.c: (convert_move): Ditto.
11903 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11904 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11905 emit_conditional_add,expand_float,expand_fix): Ditto.
11906 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11907 (common_handle_option): Issue warning when -fforce-mem specified.
11909 2005-07-06 Paul Brook <paul@codesourcery.com>
11911 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11913 * configure: Regenerate.
11915 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
11917 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11919 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
11921 Fix PR tree-optimization/22319
11922 Fix PR tree-optimization/22140
11923 Fix PR tree-optimization/22310
11925 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11926 variable sized types.
11927 Use correct type for intermediate structure on *a = *b structure
11930 2005-07-06 Jakub Jelinek <jakub@redhat.com>
11932 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11934 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11935 (machine_function): Move typedef to...
11936 * config/rs6000/rs6000.c (machine_function): ... here. Add
11937 varargs_save_offset field.
11938 (rs6000_stack_t): Remove varargs_size field.
11939 (setup_incoming_varargs): Allocate varargs save area using
11940 assign_stack_local, try to make it as small as possible.
11941 Save offset from virtual_stack_vars_rtx to the save area
11942 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
11943 instead of magic 8 when fp word byte size is used.
11944 (rs6000_va_start): Use cfun->machine->varargs_save_offset
11945 instead of -RS6000_VARARGS_SIZE.
11946 (rs6000_stack_info, debug_stack_info,
11947 rs6000_initial_elimination_offset): Remove all traces of
11949 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11950 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11951 RS6000_VARARGS_AREA.
11953 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
11955 PR tree-optimization/21963
11956 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11957 constant_multiple_of in the same way get_computation_cost_at does.
11959 2005-07-06 Jakub Jelinek <jakub@redhat.com>
11961 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11962 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11963 (gen_compare_reg): If sparc_compare_emitted is set, clear it
11964 and return its previous value.
11965 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11966 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11968 (stack_protect_set, stack_protect_test): New expanders.
11969 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11970 stack_protect_testdi): New insns.
11971 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11972 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11974 2005-07-06 Jeff Law <law@redhat.com>
11976 * tree-ssa-dce.c (cfg_altered): New global.
11977 (tree_dce_init): Initialize cfg_altered.
11978 (remove_dead_stmt): If we remove an edge in the CFG, then set
11980 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11983 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
11985 * Makefile.in (stamp-collect-ld): Use
11986 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
11987 ./collect-ld if it already exists.
11988 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11989 Don't remove ./nm if it already exists.
11991 2005-07-05 Devang Patel <dpatel@apple.com>
11993 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11994 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11995 * tree-vectorizer.c (vect_loop_location): New.
11996 (vect_print_dump_info): Use vect_loop_location.
11997 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11998 (vectorize_loops): Set vect_loop_location.
11999 * tree-vect-analyze.c (vect_analyze_offset_expr,
12000 vect_determin_vectorization_factor, vect_analyze_operations,
12001 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
12002 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
12003 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
12004 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
12005 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
12006 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
12007 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
12008 vect_analyze_loop): Adjust vect_print_dump_info API.
12009 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12010 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
12011 vect_finish_stmt_generation, vectorizable_assignment,
12012 vectorizable_operation, vectorizable_store, vectorizable_load,
12013 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
12014 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
12015 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
12016 vect_transform_loop): Same.
12017 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
12018 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
12021 2005-07-05 Randolph Chung <tausq@debian.org>
12023 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
12024 * configure: Regenerate.
12025 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
12026 (pa_tls_referenced_p): Declare.
12027 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
12028 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
12029 (legitimize_tls_address): New.
12030 (hppa_legitimize_address): Handle TLS addresses.
12031 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
12032 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
12033 (emit_move_sequence): Handle TLS addresses.
12034 (pa_encode_section_info): Call default handler to handle common
12036 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
12037 (CONSTANT_ADDRESS_P): Reject TLS operands.
12038 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
12039 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
12040 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
12041 (UNSPEC_TLSLE): Define new constants.
12042 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
12043 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
12044 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
12045 (tie_symbolic_operand, tle_symbolic_operand): New
12047 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
12049 * aclocal.m4: Update macros for autoconf 2.59 style.
12050 * configure.ac: Likewise.
12052 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12054 * pa.c (function_value): Handle small aggregates on 32-bit targets.
12055 (function_arg): Pass small aggregates in general registers on 32-bit
12057 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
12059 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
12061 * Makefile.in (final.o): Fix dependencies.
12063 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
12067 * langhooks.h (struct lang_hooks): Add expr_to_decl.
12068 * langhooks.c (lhd_expr_to_decl): New.
12069 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
12071 (LANG_HOOKS_INITIALIZER): Update.
12072 * tree.c (recompute_tree_invarant_for_addr_expr): Call
12073 expr_to_decl langhook.
12074 * c-tree.h (c_expr_to_decl): Declare.
12075 * c-typeck.c (c_expr_to_decl): New.
12076 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
12078 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
12080 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
12083 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
12084 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
12086 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
12088 * Makefile.in: Adjust dependencies.
12089 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
12090 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
12091 * alias.c (rest_of_handle_cfg, pass_cfg): New.
12092 * bb-reorder.c (duplicate_computed_gotos): Make it static.
12093 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
12094 rest_of_compilation.
12096 * bb-reorder.c (gate_duplicate_computed_gotos,
12097 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
12098 rest_of_handle_reorder_blocks, pass_reorder_blocks,
12099 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
12100 pass_partition_blocks): New.
12101 * bt-load.c (gate_handle_branch_target_load_optimize,
12102 rest_of_handle_branch_target_load_optimize,
12103 pass_branch_target_load_optimize): New.
12104 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
12106 * cfglayout.c (pass_insn_locators_initialize): New.
12107 * cfgrtl.c (pass_free_cfg): New.
12108 * combine.c (gate_handle_combine, rest_of_handle_combine,
12109 pass_combine): New.
12110 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
12111 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
12112 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
12113 * except.c (pass_set_nothrow_function_flags,
12114 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
12116 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
12117 rest_of_handle_shorten_branches, pass_shorten_branches,
12118 rest_of_clean_state, pass_clean_state): New.
12119 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
12120 rest_of_handle_remove_death_notes, pass_remove_death_notes,
12121 rest_of_handle_life, pass_life, rest_of_handle_flow2,
12123 * function.c (pass_instantiate_virtual_regs, pass_init_function,
12124 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
12125 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
12126 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
12128 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
12129 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
12130 pass_rtl_ifcvt, gate_handle_if_after_combine,
12131 rest_of_handle_if_after_combine, pass_if_after_combine,
12132 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
12133 pass_if_after_reload): New.
12134 * integrate.c (pass_initial_value_sets): New.
12135 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
12136 pass_purge_lineno_notes): New.
12137 * mode-switching.c (rest_of_handle_mode_switching,
12138 pass_mode_switching): New.
12139 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
12140 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
12142 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
12143 pass_loop_optimize): New.
12144 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
12146 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
12148 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
12149 pass_postreload_cse): New.
12150 * profile.c (gate_handle_profiling, pass_profiling,
12151 rest_of_handle_branch_prob, pass_branch_prob): New.
12152 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
12153 pass_split_before_regstack, gate_handle_split_before_regstack,
12154 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
12155 rest_of_handle_split_all_insns, pass_split_all_insns): New.
12156 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
12157 pass_stack_regs): New.
12158 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
12159 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
12160 pass_stack_adjustments): New.
12161 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
12162 pass_regrename): New.
12163 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
12164 pass_delay_slots, gate_handle_machine_reorg,
12165 rest_of_handle_machine_reorg, pass_machine_reorg): New.
12166 * rtl.h (extern void purge_line_number_notes): New.
12167 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
12168 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
12170 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
12172 * value-prof.c (gate_handle_value_profile_transformations,
12173 rest_of_handle_value_profile_transformations,
12174 pass_value_profile_transformations): New.
12175 * var-tracking.c (gate_handle_var_tracking,
12176 pass_variable_tracking): New.
12177 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
12179 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
12180 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
12181 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
12182 rest_of_handle_old_regalloc, rest_of_handle_regrename,
12183 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
12184 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
12185 rest_of_handle_gcse2, rest_of_handle_regmove,
12186 rest_of_handle_tracer, rest_of_handle_if_conversion,
12187 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
12188 rest_of_handle_web, rest_of_handle_branch_prob,
12189 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
12190 rest_of_handle_jump_bypass, rest_of_handle_combine,
12191 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12192 rest_of_handle_gcse, rest_of_handle_loop_optimize,
12193 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
12194 rest_of_handle_mode_switching, rest_of_handle_jump,
12195 rest_of_handle_eh, rest_of_handle_stack_adjustments,
12196 rest_of_handle_flow2, rest_of_handle_jump2,
12197 rest_of_handle_peephole2, rest_of_handle_postreload,
12198 rest_of_handle_shorten_branches, rest_of_clean_state,
12199 rest_of_compilation): Remove.
12201 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
12202 * passes.c (dump_flags, in_gimple_form, all_passes,
12203 all_ipa_passes, all_lowering_passes, register_one_dump_file,
12204 register_dump_files, next_pass_1, last_verified, execute_todo,
12205 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
12206 from tree-optimize.c.
12207 (init_optimization_passes): Moved from tree-optimize.c,
12208 adding the RTL optimizations.
12209 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
12210 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
12211 all_ipa_passes, all_lowering_passes, register_one_dump_file,
12212 register_dump_files, next_pass_1, last_verified, execute_todo,
12213 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
12214 init_tree_optimization_passes, ipa_passes): Delete.
12215 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
12217 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
12218 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
12220 (ipa_passes): Remove.
12221 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
12222 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
12223 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
12224 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
12225 (dump_info_p, dump_flag): Moved to tree-dump.h.
12227 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
12229 * passes.c (finish_optimization_passes): Use dump_begin
12230 and dump_end, TDI_end.
12231 (gate_rest_of_compilation): New.
12232 (pass_rest_of_compilation): Use it.
12233 (gate_postreload, pass_postreload): New.
12234 * toplev.c (general_init): Rename init_tree_optimization_passes.
12235 * toplev.h (init_tree_optimization_passes): Rename to
12236 init_optimizations_passes.
12237 * tree-dump.c (dump_flag): Make static.
12238 (dump_files): Remove RTL dumps.
12239 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
12240 pass_cleanup_cfg, pass_free_cfg_annotations,
12241 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
12242 pass_init_datastructures, pass_fixup_cfg): Make non-static.
12243 * tree-pretty-print.c: Include tree-pass.h.
12244 * cgraph.c: Include tree-dump.h.
12246 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
12248 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
12249 Only fall back to saying it points to readonly memory if
12250 we can't do better.
12252 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
12254 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
12255 * config/m32r/m32r.c (m32r_compute_frame_size,
12256 m32r_expand_prologue): Take current_function_profile into
12257 account whenever we reference
12258 current_function_uses_pic_offset_table.
12259 (m32r_finalize_pic): Remove.
12260 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
12262 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
12264 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
12265 instead of $<. Don't remove ./as if it already exists.
12267 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12270 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
12271 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
12272 for complex modes when generating code for PA 1.0.
12273 (VALID_FP_MODE_P): New macro.
12274 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
12275 sets for all general and floating point modes. Align wide floating
12276 point modes to even register boundaries to comply with architectural
12278 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
12279 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
12280 (VALID_FP_MODE_P): New macro.
12281 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
12282 sets for all general and floating point modes. Align wide floating
12283 point modes to even register boundaries to comply with architectural
12286 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12288 * tree-dump.c (dump_files): Initialize dump number for .cgraph
12291 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12293 * tree-ssa-structalias.c: Don't include expr.h.
12295 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12297 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
12300 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
12302 Fix PR tree-optimization/22279
12304 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
12307 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
12309 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
12311 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
12313 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
12314 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
12315 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
12316 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
12317 config/stormy16/stormy16.c, config/v850/v850.c,
12318 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
12319 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
12320 Avoid "." or "\n" at end of diagnostics and capital letters at
12321 start of diagnostics.
12322 * combine.c, cse.c: Don't translate dump file output.
12323 * toplev.c (print_version): Only translate output if going to
12326 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
12328 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
12329 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
12332 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12334 * pa.c (fix_range): Fix typo in comment.
12336 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
12338 * tree-vrp.c (extract_range_from_assert): Replace
12339 fold (build (...)) with fold_build2.
12341 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12343 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
12344 gcc_gfc_char_table, init_dynamic_gfc_info): New.
12345 (format_types_orig, handle_format_attribute): Add support for
12348 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
12350 * varasm.c (assemble_variable): Fix format specifier thinko.
12352 2005-07-03 Ira Rosen <irar@il.ibm.com>
12354 PR tree-optimization/22029 (and 22135)
12355 * tree-pretty-print.c (dump_generic_node): Check that the node is not
12356 a phi node before calling dump_vops.
12358 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
12360 * tree-dump.h (dump_string_field): Declare.
12361 * tree-dump.c: Use it instead of dump_string.
12362 (dump_string_field): Make non-static.
12364 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
12366 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
12367 up the minimal CFG stuff always when optimize > 0. Call
12368 split_all_insns_noflow in PIC case if needed.
12370 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
12371 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
12374 * c-decl.c (c_write_global_declarations): Dump contents of
12376 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12377 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12378 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12379 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12382 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
12384 * c-common.h (GCC_DIAG_STYLE): Define.
12385 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
12386 version for format checking to 4.1.
12387 * c-format.c: Include toplev.h after c-common.h.
12388 (enum format_type): Add gcc_tdiag_format_type.
12389 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12390 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12391 (format_types_orig): Add gcc_tdiag.
12392 (init_dynamic_diag_info): Support gcc_tdiag formats.
12393 (handle_format_attribute): Likewise.
12394 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12395 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
12396 version for format checking to 4.1.
12397 (warning0, warning, error, pedwarn, sorry): Use
12398 ATTRIBUTE_GCC_DIAG.
12399 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12400 (finish_aliases_1): Do not use %qE.
12401 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12402 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12403 Correct format bugs.
12404 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12405 parameter to unsigned HOST_WIDE_INT.
12406 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12408 2005-07-02 David Edelsohn <edelsohn@gnu.org>
12410 PR middle-end/21742
12411 * expr.c (write_complex_part): Use adjust_address for MEM.
12412 (read_complex_part): Same.
12414 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
12416 Fix PR tree-optimization/22280
12418 * tree-sra.c (generate_element_init): Remove useless loop.
12420 2005-07-02 Richard Henderson <rth@redhat.com>
12422 * config/alpha/alpha.c (alpha_legitimize_address): Check for
12424 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12426 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
12428 PR middle-end/14490
12429 * fold-const.c (fold_binary): Handle the return value of
12430 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12431 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12433 2005-07-02 Jeff Law <law@redhat.com>
12435 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12436 a eliminate type conversion which feeds an equality comparison
12437 if the original type or either operand in the comparison is a
12440 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
12442 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12443 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12445 * config/avr/avr.c: Do not use '`' as left quote.
12446 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12447 Remove "." from end of diagnostics. Make diagnostics start with
12450 2005-07-02 Zack Weinberg <zack@codesourcery.com>
12451 Joseph S. Myers <joseph@codesourcery.com>
12453 * toplev.c (default_tree_printer): Handle setting location with
12455 * c-objc.common.c (c_tree_printer): Likewise.
12456 * c-format.c (gcc_diag_flag_specs): Add '+'.
12457 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12458 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12460 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12461 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12462 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12463 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12464 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12465 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
12466 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
12467 format arguments where %J is used without %D.
12469 2005-07-02 Jakub Jelinek <jakub@redhat.com>
12471 * gcc.c (LINK_SSP_SPEC): Define.
12472 (link_ssp_spec): New variable.
12473 (LINK_COMMAND_SPEC): Add %(link_ssp).
12474 (static_specs): Add link_ssp_spec.
12475 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12476 * configure: Rebuilt.
12477 * config.in: Rebuilt.
12479 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12480 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12481 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12482 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12483 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12484 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12485 -0x7008(2) instead of reading __stack_chk_guard variable.
12486 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12488 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12489 (stack_protect_set, stack_protect_test): Use *_tls* patterns
12490 if TARGET_THREAD_SSP_OFFSET is defined.
12491 (stack_tls_protect_set_si, stack_tls_protect_set_di,
12492 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12495 2005-06-27 Richard Henderson <rth@redhat.com>
12496 * libgcc-std.ver (GCC_4.1.0): New.
12497 * libgcc.h (__stack_chk_guard): Declare.
12498 (__stack_chk_fail, __stack_chk_fail_local): Declare.
12499 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12500 * mklibgcc.in (lib2funcs): Add them.
12502 2005-07-01 Richard Henderson <rth@redhat.com>
12504 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12505 void * before struct sigcontext *.
12506 (x86_fallback_frame_state): Likewise.
12508 2005-07-01 James E. Wilson <wilson@specifixinc.com>
12510 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12512 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12515 * tree-ssa-reassoc.c (should_transpose): Fix which operand
12516 we check for SSA_NAME for.
12518 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
12520 Fix PR tree-optimization/22071
12522 * tree-ssa-structalias.c (offset_overlaps_with_access): New
12524 (get_constraint_for_component_ref): Use it.
12526 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12529 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12530 print out the last new line.
12532 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
12534 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12535 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12536 * config/cris/cris.c (cris_conditional_register_usage): Adjust
12537 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12538 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12539 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12540 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12541 (enum reg_class): New member CC0_REGS.
12542 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12543 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12544 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12545 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12546 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12547 Adjust for register now described.
12549 2005-07-01 Jakub Jelinek <jakub@redhat.com>
12552 * config/i386/i386.md (stack_protect_test_si,
12553 stack_protect_test_di): Add earlyclobber for scratch 3.
12554 * config/rs6000/rs6000.md (stack_protect_testsi,
12555 stack_protect_testdi): Add earlyclobber for scratch 3,
12556 remove earlyclobber from scratch 4.
12558 Older entries for 2005 can be found in ChangeLog-2005.