1 2005-12-21 Janis Johnson <janis187@us.ibm.com>
2 Ben Elliston <bje@au.ibm.com>
4 * configure.ac: Enable C extension for decimal float if invoked
5 with --enable-decimal-float.
6 * doc/install.texi (Configuration): Document it.
7 * configure, config.in: Regenerate.
9 2005-12-20 Mike Stump <mrs@apple.com>
11 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Handle the
12 ambiguity between -seg_addr_table and -seg_addr_table_filename.
13 (WORD_SWITCH_TAKES_ARG): Likewise.
14 (LINK_SPEC): Likewise.
16 2005-12-20 Kenneth Zadeck <zadeck@naturalbridge.com>
18 * cfganal.c (flow_reverse_top_sort_order_compute):
19 Renamed to post_order_compute and additional parameter added which
20 allows the inclusion of entry and exit blocks into list.
21 (mark_dfs_back_edges): Fixed comment.
22 (flow_depth_first_order_compute): Renamed to
23 pre_and_rev_post_order_compute additional parameter added which
24 allows the inclusion of entry and exit blocks into list.
25 * global.c (set_up_bb_rts_numbers): Call to
26 flow_reverse_top_sort_order_compute renamed to
28 * var-tracking.c (vt_stack_adjustments): Fixed comment.
29 (vt_find_locations): Call to
30 flow_depth_first_order_compute renamed to
31 pre_and_rev_post_order_compute.
32 * cfgloop.c (flow_find_loops): Ditto.
33 * tree-ssa-reassoc.c (init_reassoc): Ditto.
34 * df.c (df_analyze_1, df_analyze_subcfg): Calls to
35 flow_reverse_top_sort_order_compute renamed to post_order_compute
36 and calls to flow_reverse_top_sort_order_compute renamed to
38 * basic_block.h: Ditto.
41 2005-12-20 Roger Sayle <roger@eyesopen.com>
42 Paolo Bonzini <bonzini@gnu.org>
44 PR rtl-optimization/25115
45 * gcse.c (pre_insert_copy_insn): Fall back to the sole
46 SET in the insn if there is no SET for an
47 expression that is equivalent to EXPR.
49 2005-12-20 Richard Guenther <rguenther@suse.de>
52 * builtins.c (std_gimplify_va_arg_expr): Do not align
53 va frame for zero sized types.
54 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
56 2005-12-20 Kazu Hirata <kazu@codesourcery.com>
58 PR tree-optimization/25501
59 * tree-cfgcleanup.c (merge_phi_nodes): Check that RESULT is
60 used in the PHI argument corresponding to the edge from BB to
63 2005-12-20 Richard Guenther <rguenther@suse.de>
66 2005-12-02 Richard Guenther <rguenther@suse.de>
68 * tree-cfg.c (mark_used_vars): New function.
69 (dump_function_to_file): Dump only used VAR_DECLs.
71 2005-12-19 Roger Sayle <roger@eyesopen.com>
73 * combine.c (try_combine): Improve splitting of binary operators
74 by taking advantage of reassociative transformations.
76 2005-12-19 Jeff Law <law@redhat.com>
78 * tree-ssa-dom.c (thread_across_edge): Do not use local_fold.
79 Strip away all type conversions after simplifying the
82 * tree-cfgcleanup.c (merge_phi_nodes): Allow merging in some
83 cases the forwarder block dominates the destination.
85 2005-12-19 DJ Delorie <dj@redhat.com>
87 * reload1.c (spill_failure): Dump reload data to dump file.
88 (find_reload_regs): Likewise.
90 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
92 PR tree-optimization/24793
93 * tree-ssa-loop-ivopts.c (get_ref_tag): Remember the
94 original reference if there are subvars.
95 * tree-ssa-operands.c (get_tmr_operands): Handle subvars.
97 2005-12-19 Kenneth Zadeck <zadeck@naturalbridge.com>
99 * df.c (df_analyze_1, df_analyze_subcfg, iterative_dataflow):
100 Corrected basic block number calculations for changes in entry and
103 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
105 * tree-flow.h (struct var_ann_d): Change type of
106 may_aliases field to VEC(tree, gc) *.
107 (may_aliases): Declaration changed.
108 * tree-ssa-alias.c (group_aliases, add_may_alias,
109 replace_may_alias, dump_may_aliases_for,
110 is_aliased_with, add_type_alias, new_type_alias):
111 Work with VEC(tree, gc) * instead of varray.
112 * tree-flow-inline.h (may_aliases): Ditto.
113 * tree-ssa.c (verify_flow_insensitive_alias_info,
114 verify_name_tags): Ditto.
115 * tree-ssa-operands.c (add_stmt_operand): Ditto.
117 2005-12-19 J"orn Rennecke <joern.rennecke@st.com>
119 * cfgcleanup.c: Temporarily revert patches for PR 20070 till Bernd
122 2005-12-19 J"orn Rennecke <joern.rennecke@st.com>
124 * struct-equiv.c (struct_equiv_improve_checkpoint): Fix sets_cc0_p
127 2005-12-19 Ben Elliston <bje@au.ibm.com>
129 * doc/install.texi (Configuration): Typo in Fortran subheading.
131 2005-12-19 Nathan Sidwell <nathan@codesourcery.com>
133 * config/mt/mt.md (decrement_and_branch_until_zero): Add another
134 scratch. Correct its reload split. Adjust its peephole.
135 (doloop_end): Add additional scratch.
137 * config/mt/mt.c (MT_INT_ARG_FIRST): Remove.
138 (mt_asm_output_opcode, mt_print_operand): Use 'nop'.
139 (mt_function_arg_slotno): Use FIRST_ARG_REGNUM.
140 (mt_builtin_saveregs): Replace with ...
141 (mt_setup_incoming_varargs): ... here. Save just the varadic
143 (mt_va_start): Remove.
144 (mt_reorg_hazard): Ignore USE insns. Don't call set_noop_p.
145 (mt_machine_reorg): Split all insns here.
146 (TARGET_SETUP_INCOMING_VARARGS): Override.
147 * config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only.
149 (EXPAND_BUILTIN_VA_START): Remove.
151 2005-12-17 Kenneth Zadeck <zadeck@naturalbridge.com>
153 * flow.c (update_life_info, count_or_remove_death_notes): Fixed
154 latent bug that could happen if update_life_info was called with a
155 blocks parameter and the call to cleanup_cfg actually deleted one
158 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
160 * tree-ssa-structalias.c (update_alias_info): Remove handling
161 of may_be_aliased (SSA_NAME_VAR (op)) case.
163 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
165 * tree-flow.h (struct stmt_ann_d): Remove
166 makes_aliased_loads and makes_aliased_stores fields.
167 * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores
168 and makes_aliased_loads fields.
169 * tree-ssa-dom.c (eliminate_redundant_computations): Do not
170 use makes_aliased_stores.
171 * tree-ssa-operands.c (clobbered_aliased_loads,
172 clobbered_aliased_stores, ro_call_aliased_loads): Removed.
173 (build_ssa_operands, add_stmt_operand, add_call_clobber_ops,
174 add_call_read_ops): Do not set makes_aliased_stores and
175 makes_aliased_loads fields.
176 * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores
179 2005-12-18 Geoffrey Keating <geoffk@apple.com>
181 * config/darwin.h: Don't include darwin-sections.def to declare
182 global variables; instead create darwin_section_enum.
183 (darwin_section_enum): New.
184 (darwin_sections): New.
185 * config/darwin.c: Don't include darwin-sections.def to define
187 (darwin_sections): New.
188 (output_objc_section_asm_op): Rewrite to take advantage of
190 (darwin_init_sections): Rewrite to use darwin_sections.
191 (machopic_output_indirection): Update for darwin_sections array.
192 (machopic_select_section): Likewise.
193 (machopic_select_rtx_section): Likewise.
194 (machopic_asm_out_constructor): Likewise.
195 (machopic_asm_out_destructor): Likewise.
196 (darwin_file_end): Likewise.
197 * config/rs6000/rs6000.c (machopic_output_stub): Likewise.
198 * config/i386/i386.c (machopic_output_stub): Likewise.
200 2005-12-18 Richard Guenther <rguenther@suse.de>
202 PR tree-optimization/25481
203 * tree-ssa-structalias.c (handle_ptr_arith): Handle accesses we
204 don't have a varinfo for.
206 2005-12-18 Jon Grimm <jgrimm2@us.ibm.com>
207 Janis Johnson <janis187@us.ibm.com>
208 Ben Elliston <bje@au.ibm.com>
210 * optabs.c (init_floating_libfuncs): Handle decimal float modes.
211 (init_optabs): Handle libfuncs for decimal float.
212 * genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
213 * stor-layout.c (int_mode_for_mode): Likewise.
214 * simplify-rtx.c (simplify_immed_subreg): Likewise.
215 (simplify_unary_operation_1): Skip optimisations for decimal float
217 * varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
218 * emit-rtl.c (gen_const_vector): Add assertion check.
219 (init_emit_once): Populate const_tiny_rtx with constants in each
221 * expmed.c (extract_high_half, expand_mult_highpart_optab,
222 expand_mult_highpart): Assert that mode is not a scalar float
224 * expr.c (convert_move): Handle conversion between decimal and
225 binary floats of the same size.
226 * convert.c (convert_to_real): Consider decimal float types when
228 * dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
229 describe decimal floating point types.
231 2005-12-18 Ulrich Weigand <uweigand@de.ibm.com>
233 PR rtl-optimization/21041
234 * reload.c (find_reloads_subreg_address): Replace paradoxical
235 subreg of MEM by widened access only if the resulting memory
236 is properly aligned, even on !STRICT_ALIGNMENT targets.
238 2005-12-18 Andreas Krebbel <krebbel1@de.ibm.com>
240 * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.
242 2005-12-18 Steven Bosscher <stevenb@suse.de>
244 * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
245 the 2005-12-17 patch to renumber the entry and exit blocks.
247 2005-12-18 Gabriel Dos Reis <gdr@integrable-solutions.net>
249 * doc/objc.texi (Type encoding): Fix typo.
251 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
253 * tree-tailcall.c (find_tail_calls): Use XNEW.
254 * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
255 (free_all_edge_infos): Use explicit cast to convert from void *.
256 (vrp_free): Likewise.
257 (dom_opt_finalize_block): Likewise.
258 (record_equivalences_from_incoming_edge): Likewise.
259 (thread_across_edge): Likewise. Use XCNEWVEC.
260 (record_cond): Use XCNEW.
261 (record_conditions): Use XNEWVEC.
262 (record_edge_info): Use XCNEWVEC.
263 (lookup_avail_expr): Use XNEW.
264 (record_range): Likewise. Use GGC_NEW.
265 * tree-nested.c (var_map_hash): Use explicit cast to convert from
267 (var_map_eq): Likewise.
268 (lookup_field_for_decl): Likewise.
269 (convert_nonlocal_reference): Likewise.
270 (convert_local_reference): Likewise.
271 (convert_nl_goto_reference): Likewise.
272 (convert_nl_goto_receiver): Likewise.
273 (convert_call_expr): Likewise.
274 (convert_tramp_reference): Likewise.
275 (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
276 (convert_nl_goto_reference): Likewise.
277 (lookup_field_for_decl): Use GGC_NEW.
278 (create_nesting_tree): Use GGC_CNEW.
279 * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
280 * tree-ssa-alias.c (init_alias_info): Use XCNEW.
281 (create_alias_map_for): Likewise.
282 (setup_pointers_and_addressables): Use XCNEWVEC.
283 (get_ptr_info): Use GGC_NEW.
284 (used_part_map_eq): Use explicit cast to convert from void *.
285 (up_lookup): Likewise.
286 (up_insert): Use XNEW.
287 (get_or_create_used_part_for): Use XCNEW.
288 (get_tmt_for): Likewise.
289 * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
290 * tree-ssa-pre.c (phi_trans_add): Use XNEW.
291 (bitmap_set_new): Use explicit cast to convert from void *.
293 (insert_into_set): Likewise.
294 (pool_copy_list): Likewise.
295 (phi_translate): Likewise.
296 (create_value_expr_from): Likewise.
297 (insert_aux): Use XCNEWVEC.
298 (compute_avail): Use XNEWVEC.
299 * tree-ssa-live.c (calculate_live_on_entry): Likewise.
300 (sort_coalesce_list): Likewise.
301 (build_tree_conflict_graph): Use XCNEWVEC.
302 * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
303 * tree-ssa-copy.c (init_copy_prop): Likewise.
304 (fini_copy_prop): Likewise.
305 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
307 (record_equiv): Use XNEW.
308 (uncprop_into_successor_phis): Use explicit cast to convert from
310 (uncprop_initialize_block): Likewise.
312 2005-12-18 Dorit Nuzman <dorit@il.ibm.com>
314 PR tree-optimization/24378
315 * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
316 basic-block after loop-versioning.
318 2005-12-18 Jeff Law <law@redhat.com>
320 * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
321 to simplify SWITCH_EXPR_CODE moved from here to ...
322 * tree-ssa-forwprop.c (simplify_switch_expr): Here.
323 (tree-ssa-forward_propagate_single_use_vars): Call
324 simplify_switch_expr when appropriate.
326 2005-12-17 Andrew Pinski <pinskia@physics.uc.edu>
328 * doc/objc.texi (Type encoding): Add documentation about encoding
329 complex types and _Bool.
331 2005-12-17 Paul Brook <paul@codesourcery.com>
333 * config/m68k/m68k.md (m68k_output_function_prologue): Always call
334 dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
335 when frame_pointer_needed.
337 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
339 * tree-vn.c (vn_add): Use XNEW.
340 * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
341 (ccp_fold): Likewise.
342 (fold_stmt_r): Use explicit cast to convert from void *.
343 * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
344 (new_temp_expr_table): Likewise.
345 * gimplify.c (lookup_tmp_var): Use XNEW.
346 (gimplify_asm_expr): Use explcit cast to convert from void *.
347 * tree-into-ssa.c (get_ssa_name_ann): Likewise.
348 (get_def_blocks_for): Use XNEW.
349 (add_to_repl_tbl): Likewise.
350 (mark_def_sites): Use explicit cast to convert from void *.
351 (def_blocks_free): Likewise.
352 (mark_def_sites_initialize_block): Likewise.
353 (update_ssa): Use XNEWVEC.
354 * tree-dfa.c (create_var_ann): Use GGC_NEW.
355 (create_stmt_ann): Likewise.
356 (create_tree_ann): Likewise.
357 (referenced_var_insert): Likewise.
358 (set_default_def): Likewise.
359 (referenced_var_lookup_if_exists): Use explicit cast to convert
361 (referenced_var_lookup): Likewise.
362 (default_def): Likewise.
363 (set_default_def): Likewise.
364 * tree-cfg.c (create_bb): Likewise.
365 (edge_to_cases_cleanup): Likewise.
366 (verify_node_sharing): Likewise.
367 (record_switch_edge): Use XNEW.
368 (cleanup_dead_labels): Use XCNEWVEC.
369 (tree_duplicate_sese_region): Use XNEWVEC.
370 * tree-scalar-evolution.c (get_instantiated_value): Likewise.
371 * tree-ssa.c (verify_ssa): Use XCNEWVEC.
372 (int_tree_map_eq): Use explicit cast to convert from void *.
373 * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
374 (__gcov_execl): Likewise.
375 (__gcov_execlp): Likewise.
376 (__gcov_execle): Likewise.
377 * tree-eh.c (struct_ptr_eq): Likewise.
378 (struct_ptr_hash): Likewise.
379 (lookup_stmt_eh_region_fn): Likewise.
380 (outside_finally_tree): Likewise.
381 (find_goto_replacement): Likewise.
382 (make_eh_edge): Likewise.
383 (mark_eh_edge): Likewise.
384 (add_stmt_to_eh_region_fn): Use GGC_NEW.
385 (record_in_finally_tree): Use XNEW.
386 (maybe_record_in_goto_queue): Use XRESIZEVEC.
387 (lower_try_finally_copy): Use XCNEWVEC.
389 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
391 * tree-inline.c (copy_body_r): Use explicit cast when converting
394 (copy_edges_for_bb): Likewise.
395 (remap_decl_1): Likewise.
396 (estimate_num_insns_1): Likewise.
397 * cgraph.c (hash_node): Use explicit cast when converting from
400 (cgraph_create_node): Use GGC_CNEW.
401 (cgraph_create_edge): Use GGC_NEW.
402 (cgraph_remove_node): Use explicit cast when converting from void *.
403 (hash_varpool_node): Likewise.
404 (eq_varpool_node): Likewise.
405 (cgraph_varpool_node): Use GGC_CNEW.
406 * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
407 * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
408 (eq_scev_info): Use explicit cast when converting from void *.
409 (find_var_scev_info): Likewise.
410 (set_instantiated_value): Likewise.
411 (gather_stats_on_scev_database_1): Likewise.
412 * cfgloop.h (simple_loop_desc): Use explicit cast when converting
414 * c-pch.c (c_common_write_pch): Use XNEWVEC.
415 (c_common_read_pch): Likewise.
416 * prefix.c (save_string): Use XNEWVEC.
417 (translate_name): Use explicit cast when converting from void *.
418 * c-ppoutput.c (print_line): Use explicit cast when converting
420 (pp_dir_change): Likewise.
421 * c-cppbuiltin.c (builtin_define_std): Likewise.
422 (builtin_define_with_value): Likewise.
423 (builtin_define_with_value_n): Likewise.
424 (builtin_define_with_int_value): Likewise.
425 (builtin_define_type_max): Likewise.
426 * c-incpath.c (add_env_var_paths): Use XNEWVEC.
427 (add_path): Use XNEW.
428 * c-format.c (check_format_info_main): Use GGC_NEW.
429 (format_type_warning): Use explicit cast when converting from void *.
430 * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
432 (start_init): Likewise.
433 * tree-flow-inline.h (first_referenced_var): Use explicit cast
434 when converting from void *.
435 (next_referenced_var): Likewise.
436 * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
437 * gensupport.c (lookup_predicate): Use explicit cast to convert
439 (init_predicate_table): Use XCNEW instead of xcalloc.
440 * genpreds.c (process_define_predicate): Likewise.
442 2005-12-17 Danny Berlin <dberlin@dberlin.org>
443 Kenneth Zadeck <zadeck@naturalbridge.com>
445 * basic-block.h: Changed basic block numbering so that the entry
446 block is 0 and the exit block is 1. Changed insn iterators so
447 that they are tolerant of blocks with no insns.
448 * regrename.c (copyprop_hardreg_forward): Changed basic block
449 numbering so that the entry block is 0 and the exit block is 1.
450 * sched-ebb.c (sehedule_ebbs): Ditto.
451 * tracer.c (branch_ratio_cutoff): Ditto.
452 * cfgloopmanip.c (fix_loop_structure): Ditto.
453 * cfghooks.c (verify_flow_info): Ditto.
454 * cfg.c (compact_blocks): Ditto.
455 * reorg.c (dbr_schedule): Ditto.
456 * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
457 * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
458 calculate_dominance_info): Ditto.
459 * cfganal.c (create_edge_list, print_edge_list,
460 flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
461 flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
462 dfs_enumerate_from): Ditto.
463 * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
464 * ifcvt.c (find_if_case_2): Ditto.
465 * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
466 find_basic_blocks): Ditto.
467 * predict.c (predict_loops, tree_bb_level_predictions,
468 predict_paths_leading_to, propagate_freq): Ditto.
469 * lcm.c (compute_antinout_edge, compute_laterin,
470 compute_available): Ditto.
471 * function.c (thread_prologue_and_epilogue_insns): Ditto.
472 * gcse.c (gcse_main, bypass_jumps): Ditto.
473 * profile.c (compute_branch_probabilities,
474 compute_value_histograms, branch_prob): Ditto.
475 * tree-flow-inline.h (bsi_start, bsi_after_labels,
477 * tree-ssa-phiopt.c (tree_ssa_phiopt,
478 blocks_in_phiopt_order): Ditto.
479 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
480 compute_out, link_btr_uses, migrate_btr_defs): Ditto.
481 * tree-dfa.c (collect_dfa_stats): Ditto.
482 * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
483 * cfglayout.c (fixup_reorder_chain): Ditto.
484 * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
485 partition_hot_cold_basic_blocks): Ditto.
486 * var-tracking.c (vt_find_locations): Ditto.
487 * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
488 * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
489 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
490 label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
491 * tree-ssa-reassoc.c (init_reassoc): Ditto.
492 * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
493 rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
494 * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
495 and removed unused reverse orders.
497 * combine.c: Fix document typo.
499 2005-12-17 Jan Hubicka <jh@suse.cz>
501 * tree-flow-inline.h (set_default_def, default_def): Kill.
502 * tree-dfa.c (default_defs): New global variable.
503 (default_def, set_default_def): New functions.
504 * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
505 * tree-flow.h (struct var_ann_d): Kill default_def field.
506 (set_default_def, default_def): Update prototype.
507 (default_defs): Declare.
509 2005-12-16 Jeff Law <law@redhat.com>
511 * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
512 (simplify_rhs_and_lookup_avail_expr): Kill. Remnants moved
513 into tree-ssa-forwprop.c.
514 (eliminate_redundant_computations): Do not call
515 simplify_rhs_and_lookup_avail_expr anymore.
516 * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
517 extracted from remnants of simplify_rhs_and_lookup_avail_expr.
518 (tree_ssa_forward_propagate_single_use_vars): Call
519 simplify_not_neg_expr appropriately.
521 2005-12-16 Bernd Trog <berndtrog@yahoo.com>
524 * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
526 2005-12-17 Kazu Hirata <kazu@codesourcery.com>
528 PR rtl-optimization/25456
529 * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
530 info->x_start with p->x_start.
532 2005-12-17 Alan Modra <amodra@bigpond.net.au>
534 * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
535 introduced 2005-12-16.
537 2005-12-16 Steven Bosscher <stevenb@suse.de>
539 PR rtl-optimization/23837
540 * optabs.c (expand_binop): For a multi-word rotate, never emit
541 a REG_NO_CONFLICT block.
543 2005-12-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
546 * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
549 * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
552 2005-12-16 Steven Bosscher <stevenb@suse.de>
554 * loop-invariant.c (move_loop_invariants): Add missing hunk from
555 the previous patch, to nullify df.
557 2005-12-16 Steven Bosscher <stevenb@suse.de>
559 * reorg.c (mostly_true_jump): Clean up code depending on
560 LABEL_OUTSIDE_LOOP_P and loop notes. Remove code doing
561 poor man's branch prediction, instead rely on REG_BR_PROB
562 notes to be available.
564 2005-12-16 Jakub Jelinek <jakub@redhat.com>
566 PR rtl-optimization/24899
567 * loop.c (strength_reduce): Don't reduce giv that is not always
568 computable and where add_val or mult_val can trap.
570 * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
572 2005-12-16 Nathan Sidwell <nathan@codesourcery.com>
574 * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
575 names of ms1-16-002 files.
577 2005-12-16 Alan Modra <amodra@bigpond.net.au>
580 * gcc.c (for_each_path): New function.
581 (add_to_obstack, file_at_path): New functions.
582 (struct file_at_path_info, struct add_to_obstack_info): New.
583 (build_search_list): Rewrite using for_each_path. Constify struct
584 path_prefix pointer. Add do_multi param. Adjust all callers.
585 (find_a_file): Similarly, but just change existing param to bool.
586 (putenv_from_prefixes): Add do_multi param, make "paths" const.
587 (do_spec_path): Delete.
588 (struct spec_path_info): New.
589 (spec_path): New function.
590 (do_spec_1): Use for_each_path for %D and %I.
591 (find_file): Adjust for find_a_file changes.
592 (main): Search multilibs for specs. Print multilib lib path for
593 -print-search-dirs. Likewise add multilibs to LIBRARY_PATH_ENV.
594 (read_specs): Search multilibs for %include and %include_noerr.
595 (is_directory): Remove second string param. Change last param
596 to a bool. Don't use concat. Remove SMALL_ARG_MAX test, always
597 check path is a dir. Update all callers.
598 * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
599 * system.h (SMALL_ARG_MAX): Poison.
600 * config.gcc: Don't define SMALL_ARG_MAX.
601 * config.host: Likewise.
602 * config.build: Likewise.
604 2005-12-16 Paolo Bonzini <bonzini@gnu.org>
606 * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
607 FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
608 ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
609 simplify_logical): Move simplifications that do not require
610 additional infrastructure...
611 * simplify-rtx.c (simplify_unary_operation_1,
612 simplify_binary_operation_1): ... here.
614 2005-12-16 Andreas Krebbel <krebbel1@de.ibm.com>
617 * flow.c (mark_used_dest_regs): New function.
618 (mark_used_regs): Call mark_used_dest_regs.
620 2005-12-16 Jeff Law <law@redhat.com>
622 * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
623 represent a use and definition of the same SSA_NAME.
625 2005-12-16 Jon Grimm <jgrimm2@us.ibm.com>
626 Janis Johnson <janis187@us.ibm.com>
627 Ben Elliston <bje@au.ibm.com>
629 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
630 (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
631 * target.h (struct gcc_target): Add decimal_float_supported_p.
632 * targhooks.c (default_scalar_mode_supported_p): Handle
634 * builtins.def: Add new builtins for 32, 64 and 128 bit variants
635 of inf, nan, finite, isinf and isnan.
636 * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
637 BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
638 BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
639 BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
640 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
641 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
642 BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
643 * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
644 Pedwarn if decimal floating point types are used. Error if
645 decimal floating point is not supported by the target.
646 (finish_declspecs): Return type from DFP typespec_word.
647 * c-typeck.c (c_common_type): Choose the decimal floating point
648 type with the greater precision when determining a common type.
649 (convert_arguments): Warn if there is a mismatch between argument
650 and prototype for decimal float types. Warn of conversions with
651 binary float types and of precision narrowing due to prototype.
652 * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
653 (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
654 (c_token_starts_declspecs): Likewise.
655 (c_parser_attributes): Likewise.
656 * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
657 RID_DFLOAT64, RID_DFLOAT128.
658 (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
659 * c-common.c (c_common_type_for_mode): Handle decimal float modes.
660 (shorten_compare): Convert DFP/BFP operands to a common type.
661 (c_common_modes_and_builtins): Register built-in decimal float
662 types if the target supports them.
663 (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
664 * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
665 inf, nan, finite, isinf and isnan builtins.
666 * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
667 (builtin_define_float_constants): Assert non-decimal radix.
668 (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
669 Call builtin_define_decimal_float_constants for each type.
670 * c-lex.c (interpret_float): Decode decimal float types from CPP_N
671 flags. Use real_from_string3, which can handle binary or decimal
673 * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
674 cts_dfloat64, cts_dfloat128.
675 * tree.c (build_common_tree_nodes_2): Add decimal float types.
676 * tree.h (enum tree_index): Add new enumeration values
677 TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
678 TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
679 (dfloat32_type_node): New macro.
680 (dfloat64_type_node, dfloat128_type_node): Likewise.
681 (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
682 (dfloat128_ptr_type_node): Likewise.
683 * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
684 bit decimal floating point types with "df", "dd" and "dl".
685 * c-format.h (enum format_lengths): Add new enumeration values
686 FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
687 * c-format.c (printf_length_specs, scanf_length_specs): Add
688 entries for H, D, DD.
689 (print_char_table, scan_char_table): Use new entries.
690 (asm_fprintf_char_table, gcc_diag_char_table,
691 gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
693 * defaults.h (DECIMAL32_TYPE_SIZE): Define.
694 (DECIMAL64_TYPE_SIZE): Likewise.
695 (DECIMAL128_TYPE_SIZE): Likewise.
696 (TARGET_DEC_EVAL_METHOD): Likewise.
697 * doc/extend.texi (Decimal Float): New node.
698 (Constructing Calls): Document decimal float built-ins.
699 * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
700 * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
701 * ginclude/decfloat.h: New file.
703 2005-12-16 Alan Modra <amodra@bigpond.net.au>
705 * reload.c (find_reloads): Fix comment typo.
706 * recog.h (recog_memoized): Correct comment.
708 2005-12-16 Kazu Hirata <kazu@codesourcery.com>
710 * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
711 config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
712 reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
713 tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
714 * doc/invoke.texi, doc/tm.texi: Fix typos.
716 2005-12-16 Ben Elliston <bje@au.ibm.com>
718 * real.c (decimal_quad_format): Correct values for emin, emax.
720 2005-12-15 DJ Delorie <dj@redhat.com>
722 * config/m32c/predicates.md (m32c_psi_scale): New.
723 * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
724 * config/m32c/muldiv.md (mulpsi3): Support negative constants.
726 2005-12-16 Jan Hubicka <jh@suse.cz>
728 PR rtl-optimization/25224
729 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
732 2005-12-15 Zdenek Dvorak <dvorakz@suse.cz>
733 Steven Bosscher <stevenb@suse.de>
735 * loop-invariant.c (df): New global variable.
736 (find_defs, check_dependencies, find_invariant_insn, record_uses,
737 find_invariants_bb, find_invariants_body, find_invariants,
738 find_invariants_to_move, move_invariants, free_inv_motion_data,
739 move_single_loop_invariants, move_loop_invariants): Do not pass df in
742 2005-12-15 Jakub Jelinek <jakub@redhat.com>
744 * varasm.c (default_unique_section_1): Use special section
745 names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
747 2005-12-16 Ben Elliston <bje@au.ibm.com>
749 * doc/invoke.texi (Warning Options): Document -Walways-true being
752 2005-12-15 Joseph S. Myers <joseph@codesourcery.com>
755 * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
756 * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
757 __floatunditf): Use #error if type sizes don't match requirements
759 (__floatdisf, __floatdidf): Unify. Possibly use XFmode or TFmode
760 as wider floating-point type. Use #error if type sizes don't
761 match requirements of implementation. Avoid overflow in computing
762 Wtype_MAXp1_F * Wtype_MAXp1_F. When special casing conversion,
763 shift one more bit. Cast 1 to DWtype or UDWtype for shifting.
764 (__floatundisf, __floatundidf): Likewise.
765 * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
766 * config/ia64/ia64.c (ia64_init_libfuncs): Use
767 _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
768 TFmode-TImode conversions.
769 * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
771 2005-12-14 Craig Rodrigues <rodrigc@gcc.gnu.org>
773 * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
774 Use builtin_define_with_int_value() instead of
775 adding a new check for every new major FreeBSD version.
777 2005-12-14 Andrew Pinski <pinskia@physics.uc.edu>
779 * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
781 2005-12-15 Richard Sandiford <richard@codesourcery.com>
783 * config/arm/predicates.md (call_memory_operand): New.
784 * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
786 2005-12-15 Andrew Haley <aph@redhat.com>
788 * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
789 against prev_cache_entry == NULL when moving a cache entry to the
792 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
794 * config/mt/mt.c (mt_override_options): Require lower case
795 architectures. Revert accidental default to ms2.
796 * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
797 ENDFILE_SPEC): Require lower case architectures. Revert default
800 * doc/invoke.texi (MT Options): Rename and update.
801 * doc/md.texi (MorphoTech family): Rename and update.
803 2005-12-15 Olivier Hainque <hainque@adacore.com>
805 * stor-layout.c (layout_type): Don't complain about a too small
806 an array element type size compared to its alignment when the
809 2005-12-15 Jan Hubicka <jh@suse.cz>
812 * i386.c (classify_argument): Properly adjust offset of bitfield for
815 2005-12-15 Richard Sandiford <richard@codesourcery.com>
817 * final.c (final_scan_insn): Flip in_cold_section_p when changing
818 between the hot and cold sections. Use current_function_section
819 to get the new section.
820 * dwarf2out.c (output_line_info): Use in_cold_section_p to
821 determine whether we are assembling hot or cold code.
822 (secname_for_decl, dwarf2out_var_location): Likewise.
823 (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
824 * varasm.c (last_text_section): Delete.
825 (in_cold_section_p): New variable.
826 (hot_function_section): New function.
827 (current_function_section): Pass in_cold_section_p as the
828 reloc argument to select_section. Use it to decide between
829 unlikely_function_section and hot_function_section.
830 (assemble_start_function): Use switch_to_section. Set
831 in_cold_section_p instead of last_text_section.
832 (assemble_end_function): Use switch_to_section.
833 (switch_to_section): Don't set last_text_section.
834 * config/darwin/darwin.c (machopic_select_section): Trust the reloc
835 argument to make the right choice between hot and cold sections.
837 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
839 Second part of MS1->MT renaming
840 * config/mt/mt.md (doloop_end): Call mt_add_loop.
841 (movqi, movhi): Call mt_set_memflags.
842 (*movdf_internal): Call mt_split_words.
843 (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
845 (cmpsi): Store to mt_compare_op[01].
846 (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
847 bungt, bunle, bunlt): Call mt_emit_cbranch.
848 (prologue): Call mt_expand_prologue.
849 (epilogu): Call mt_expend_epilogue.
850 (eh_return): Call mt_expand_eh_return.
851 (eh_epilogue): Call me_emit_eh_epilogue.
852 (conditional_trap): Store to mt_compare_op[01].
853 * config/mt/crti.asm: Adjust comment.
854 * config/mt/crtn.asm: Adjust comment.
855 * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
856 (mt_compare_op0, mt_compare_op1): Renamed.
857 (current_frame_info, zero_frame_info): Adjust type.
858 (mt_ucmpsi3_libcall): Renamed.
859 (mt_flag_delayed_branch): Renamed.
860 (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
861 (mt_nops_required, mt_nop_reasons): Renamed.
862 (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
863 mt_debug_stack, mt_print_operand_simple_address,
864 mt_print_operand_address, mt_print_operand): Renamed, adjusted.
865 (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
866 mt_function_arg_advance, mt_arg_partial_bytes,
867 mt_pass_by_reference, mt_function_arg_boundary,
868 mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
869 mt_legitimate_address_p): Renamed, adjusted.
871 (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
872 mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
873 mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p,
874 mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
875 mt_expand_eh_return, mt_emit_eh_prologue,
876 mt_handl_interrupt_attribute): Renamed, adjusted.
877 (mt_attribute_table): Renamed, adjusted.
878 (mt_initial_elimination_offset, mt_generate_compare,
879 mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
880 mt_secondary_reload_class, mt_function_value, mt_split_words,
881 mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
882 mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
883 (mt_labels): Renamed.
884 (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
885 mt_machine_reorg): Renamed, adjusted.
886 (mt_attribute_table: Renamed.
887 (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
888 TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
889 TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
890 * config/mt/mt.opt (march): Set mt_cpu_string.
891 * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
892 (TARGET_CPU_CPP_BUILTINS): Adjust.
893 (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
895 (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
896 (MT_MIN_INT): Renamed.
897 (RETURN_ADDR_RTX): Adjust.
898 (struct mt_frame_info): Renamed.
899 (current_frame_info): Adjust type.
900 (INITIAL_ELIMINATION_OFFSET): Adjust.
901 (MT_NUM_ARG_REGS): Renamed.
902 (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
903 FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
904 LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
905 GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
906 FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
907 (mt_compare_op0, mt_compare_op1): Renamed.
908 * config/mt/mt-protos.h: Rename prototypes.
910 2005-12-15 Richard Guenther <rguenther@suse.de>
912 * tree-flow.h (okay_component_ref_for_subvars): Remove.
913 (get_ref_base_and_extent): Declare.
914 * tree-dfa.c (okay_component_ref_for_subvars): Remove.
915 (get_ref_base_and_extent): New function.
916 * tree-ssa-alias.c (find_used_portions): Use it.
917 * tree-ssa-structalias.c (get_constraint_for_component_ref):
919 * tree-ssa-operands.c (get_expr_operands): Likewise.
921 2005-12-15 Paolo Bonzini <bonzini@gnu.org>
923 * combine.c: Remove force_to_mode's fourth parameter.
924 (force_to_mode): Do not handle REG.
925 (canon_reg_for_combine): New.
926 (make_field_assignment): Use it where the removed argument was non-NULL.
928 2005-12-15 Alan Modra <amodra@bigpond.net.au>
931 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
932 error_mark_node. Make alignment params unsigned.
933 * config/rs6000/rs6000-protos.h
934 (rs6000_special_round_type_align): Update prototype.
935 (rs6000_machopic_legitimize_pic_address): Remove arg names.
937 2005-12-14 Ulrich Weigand <uweigand@de.ibm.com>
939 PR rtl-optimization/25310
940 * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
941 of the eliminable register when substituting into a PLUS.
943 2005-12-14 Jakub Jelinek <jakub@redhat.com>
946 * config/i386/i386.c (ix86_force_to_memory): Always use
947 SImode push for HImode in -m32.
948 (ix86_free_from_memory): Likewise.
950 2005-12-14 Richard Sandiford <richard@codesourcery.com>
952 * gcc/config/arm/arm.md: Provide a big-endian version of the
953 (zero_extend:SI (subreg:QI ...)) splitter.
955 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
957 * struct-equiv.c (note_local_live): Handle hard regs with different
960 2005-12-14 Jeff Law <law@redhat.com>
962 * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
963 to a structure containing state rather than a pointer to bool.
964 (case ARRAY_REF): New code to handle folding some array references.
965 (case ADDR_EXPR): Note when we are processing expressions found
966 within an ADDRE_EXPR.
967 (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
968 for state variables rather than just a pointer to a boolean.
969 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
970 handling of constant string references.
972 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
974 * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
975 ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
976 ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
977 Move other tst* patterns to retain partial order.
979 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
981 * config/s390/s390.md ("d0", "1"): New mode attributes.
982 ("<shift>di3", "<shift>si3"): Merge.
983 ("*<shift>di3_and", "*<shift>si3_and"): Merge.
984 ("ashrdi3", "ashrsi3"): Merge.
985 ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
986 ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
987 ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
988 ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
989 ("*ashrdi3", "*ashrsi3"): Merge.
990 ("*ashrdi3_and", "*ashrsi3_and"): Merge.
992 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
994 * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
995 ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
996 ("*extendqidi2", "*extendqisi2") Merge.
997 ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
998 ("zero_extendhidi2", "zero_extendqidi2"): Merge.
999 ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
1000 Move some patterns to retain partial ordering.
1002 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
1004 * config/s390/s390.md ("atype", "length"): Rewrite.
1005 ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
1007 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
1009 * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
1011 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
1013 * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
1014 PARALLELs with a mode.
1016 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
1018 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
1019 cond_expr parameter.
1021 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
1023 * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
1025 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
1029 * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
1032 * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
1034 2005-12-14 Jakub Jelinek <jakub@redhat.com>
1038 * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
1039 DECL_P, call get_section rather than get_named_section. Supply
1040 section flags to it.
1042 2005-12-14 Ben Elliston <bje@au.ibm.com>
1044 * c-common.c (c_common_truthvalue_conversion): Generalise warning
1045 for addresses converted to booleans; not just function addresses.
1046 * c-typeck.c (build_binary_op): Warn for address comparisons which
1047 can never be NULL (eg. func == NULL or &var == NULL).
1048 * common.opt (Walways-true): New option.
1049 * c-opts.c (c_common_handle_option): Set it with -Wall.
1050 * doc/invoke.texi: Document it.
1052 2005-12-13 Paul Brook <paul@codesourcery.com>
1054 * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
1055 __floatunsidf, __floatunsisf, __floatunsixf): New functions.
1057 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
1059 * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
1060 (EXTRA_MULTILIB_PARTS): Define.
1062 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
1064 PR rtl-optimization/20070 / part1
1065 * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
1066 count_or_remove_death_notes with kill == -1.
1067 (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
1068 registers if PROP_POST_REGSTACK is set.
1069 (mark_used_reg): Likewise.
1070 (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
1071 REG_UNUSED notes for stack regs.
1072 * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
1073 to match rtx_equiv_p machinery. Change caller.
1074 (outgoing_edges_match): Likewise.
1075 (try_crossjump_to_edge): Use struct_equiv_block_eq
1076 instead of flow_find_cross_jump.
1077 * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
1078 (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
1079 (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
1080 (STRUCT_EQUIV_MAX_LOCAL): Likewise.
1081 (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
1082 (insns_match_p): Update prototype.
1083 (flow_find_cross_jump): Remove prototype.
1084 (struct_equiv_block_eq, struct_equiv_init): Declare.
1085 (rtx_equiv_p, condjump_equiv_p): Likewise.
1086 * struct-equiv.c: Include reload.h.
1087 (IMPOSSIBLE_MOVE_FACTOR): Define.
1088 (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
1089 (struct_equiv_improve_checkpoint): Likewise.
1090 (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
1091 (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
1092 (struct_equiv_merge, find_dying_input): Likewise.
1093 (resolve_input_conflict, note_local_live): Likewise.
1094 (death_notes_match_p): Change parameters and processing
1095 to match rtx_equiv_p machinery. Change caller.
1096 (insns_match_p): Likewise.
1097 (flow_find_cross_jump): Replace with:
1098 (struct_equiv_block_eq).
1100 Back out this change:
1101 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
1102 * recog.c (verify_changes): Make it static.
1103 * recog.h: Remove the corresponding prototype.
1105 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
1107 * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
1110 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
1112 * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
1113 (MULTILIB_DIRNAMES): Add ms2. Prefix ms1 dirs with 'ms1'.
1114 * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
1115 TARGET_MS1_64_001 appropriately.
1116 (ms1_machine_reorg): Use TARGET_MS2.
1118 2005-12-13 Jakub Jelinek <jakub@redhat.com>
1122 * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
1123 and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
1124 Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
1125 * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
1126 Set mode to SI, adjust constraints.
1127 (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
1128 * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
1131 2005-12-13 Carlos O'Donell <carlos@codesourcery.com>
1133 * c-cppbuiltin.c (builtin_define_float_constants): Add
1134 fp_cast parameter, pass to builtin_define_with_hex_fp_value.
1135 Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
1136 (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
1137 (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
1138 to "((double)%sL)" otherwise "%s".
1140 2005-12-13 Paul Brook <paul@codesourcery.com>
1142 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
1145 2005-12-11 Rafael vila de Espndola <rafael.espindola@gmail.com>
1147 * tree-flow.h: Allow compilation with a C++ compiler.
1148 (struct edge_prediction): Prefix all field names with "ep_".
1149 * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
1150 (tree_predict_edge, combine_predictions_for_bb): Likewise.
1151 (remove_predictions_associated_with_edge): Likewise.
1153 2005-12-12 Jeff Law <law@redhat.com>
1155 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1157 * passes.c (init_optimization_passes): Run reassociation again
1158 after loop optimizations.
1160 2005-12-12 Daniel Berlin <dberlin@dberlin.org>
1162 * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
1164 (optimize_stmt): Ditto.
1165 (canonicalize_comparison): New function.
1166 * tree-ssa-operands.c (swap_tree_operands): Make external.
1167 (get_expr_operands): Stop auto-canonicalization.
1168 * tree-ssa-reassoc.c: Rewrite.
1169 (init_optimization_passes):
1170 * tree-flow.h (swap_tree_operands): Prototype.
1171 * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
1173 2005-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1175 * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
1176 indicate function epilogue has been output.
1177 (pa_asm_output_mi_thunk): Likewise.
1178 (output_deferred_plabels): Put plabels in readonly data section when
1179 not generating PIC code.
1180 (som_output_text_section_asm_op): Use .NSUBSPA to output debug
1181 information. Add assert.
1182 (som_output_comdat_data_section_asm_op): New function.
1183 (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
1184 instead of output_section_asm_op for COMDAT sections.
1186 2005-12-12 J"orn Rennecke <joern.rennecke@st.com>
1188 * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
1189 Fix whitespace in vincinity of to-be-installed changes.
1190 * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
1191 (insns_match_p): Likewise.
1193 2005-12-12 Nathan Sidwell <nathan@codesourcery.com>
1195 * config.gcc (ms1): Replace with ...
1197 * config/ms1: Rename to ...
1198 * config/mt: ... here. Rename ms1 files to mt.
1199 * config/mt/mt.c: Adjust gt-mt.h #include.
1200 * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
1201 (crti.o, crtn.o): Adjust file names.
1203 2005-12-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1205 * varray.h: Allow compilation with a C++ compiler.
1206 (union varray_data_tag): Prefix all field names with "vdt_".
1207 (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
1208 VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
1209 VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
1210 VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
1211 VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
1212 VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
1213 (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
1214 VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT,
1215 VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT,
1216 VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR,
1217 VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR,
1218 VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE,
1219 VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB,
1220 VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
1221 (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT,
1222 VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT,
1223 VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT,
1224 VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR,
1225 VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX,
1226 VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP,
1227 VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE,
1228 VARRAY_TOP_TREE_PTR): Likewise.
1229 * varray.c (varray_grow): Likewise.
1230 (varray_clear): Likewise.
1232 2005-12-12 Alan Modra <amodra@bigpond.net.au>
1235 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
1236 alignment to doubleword if the first field is a double array.
1237 * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
1239 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1241 * tree-ssa-structalias.c (process_constraint): Remove code to
1242 transform addressofs into scalar.
1243 (create_variable_info_for): In whole-program IPA, globals don't
1244 point to ANYTHING by default.
1246 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1248 * timevar.def (TV_IPA_PTA): New.
1249 * tree-pass.h (pass_ipa_pta): New
1250 * tree-ssa-structalias.c: Include cgraph.h
1252 (predbitmap_obstack): New.
1253 (EXECUTE_IF_IN_NONNULL_BITMAP): New.
1254 (struct constraint_stats): Add num_edges.
1255 (new_var_info): Don't call bitmap_clear.
1256 (struct constraint_edge): Update docs.
1257 (new_constraint_edge): Remove src param.
1258 (struct constraint_graph): Add zero_weight_succs,
1259 zero_weight_preds. Update docs.
1260 (constraint_expr_equal): Reformat.
1261 (constraint_edge_equal): Update for removal of src.
1262 (constraint_edge_less): Ditto.
1263 (constraint_edge_vec_find): Ditto.
1264 (erase_graph_self_edge): Update for removal of src and and zero
1266 (clear_edges_for_node): Ditto.
1267 (add_graph_edge): Ditto.
1268 (get_graph_weights): Ditto.
1269 (allocate_graph_weights): Ditto.
1270 (merge_graph_nodes): Ditto.
1271 (int_add_graph_edge): Ditto.
1272 (valid_graph_edge): Ditto.
1273 (valid_weighted_graph_edge): Ditto.
1274 (build_constraint_graph): Ditto.
1276 (collapse_nodes): Ditto.
1277 (process_unification_queue): Ditto.
1278 (topo_visit): Ditto.
1279 (solve_graph): Ditto.
1280 (do_structure_copy): Ditto.
1281 (perform_var_substitution): Ditto.
1282 Init and release obstack.
1283 (handle_ptr_arith): Try to resolve directly.
1284 (find_func_aliases): Don't call update_alias_info here
1285 Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
1286 (do_sd_constraint): Add code for propagating faster.
1288 (do_ds_constraint): Ditto.
1289 (count_num_arguments): New function.
1290 (create_function_info_for): Ditto.
1291 (create_variable_info_for): Handle FUNCTION_DECL.
1292 (intra_create_variable_infos): Use make_constraint_to_anything.
1293 (init_alias_vars): Init obstacks here.
1294 (need_to_solve): Handle zero weight graph changes.
1295 (compute_points_to_sets): Call update_alias_info here.
1296 (delete_points_to_sets): Free zero weight preds/succs here.
1297 (gate_ipa_pta): New.
1298 (ipa_pta_execute): New
1300 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1302 * tree-ssa-structalias.c (var_anyoffset): Removed.
1303 (anyoffset_tree): Ditto.
1304 (anyoffset_id): Ditto.
1305 (do_deref): Take vector of constraints, no return value.
1306 Update to work on vector.
1307 (get_constraint_for): Ditto.
1308 (get_constraint_for_component_ref): Ditto.
1309 (do_structure_copy): Ditto.
1310 (handle_ptr_arith): Ditto.
1311 (find_func_aliases): Ditto.
1312 (set_uids_in_ptset): Remove anyoffset handling.
1313 (init_base_vars): Ditto.
1315 2005-12-10 Mark Mitchell <mark@codesourcery.com>
1318 * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
1319 DECL_EXTERNAL functions have no bodies. Tidy.
1321 2005-12-10 Andreas Schwab <schwab@suse.de>
1323 * except.c (switch_to_exception_section): Only define if
1324 TARGET_UNWIND_INFO is not defined.
1326 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1328 * config/darwin.h (HAS_INIT_SECTION): Remove definition.
1329 (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
1331 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1333 * output.h (init_section, fini_section): Delete.
1334 * varasm.c (init_section, fini_section): Delete.
1335 (init_varasm_once): Don't initialize them.
1336 * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
1337 there are no corresponding varasm.c variables.
1339 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1341 * dwarf2out.c (default_eh_frame_section): Delete, moving handling
1342 of EH_FRAME_SECTION_NAME into...
1343 (switch_to_eh_frame_section): ...here. Try to set eh_frame_section
1344 if it is still null.
1345 * except.c (default_exception_section): Delete, moving most
1347 (switch_to_exception_section): ...this new function. Set
1348 exception_section if it is still null, then switch to it.
1349 (output_function_exception_table): Use switch_to_exception_section.
1350 * varasm.c (exception_section, eh_frame_section): Update comments.
1351 (get_section): Hoist use of SECTION_NAMED.
1352 (init_varasm_once): Don't set exception_section and eh_frame_section.
1353 * output.h (default_exception_section): Delete.
1354 (default_eh_frame_section): Delete.
1356 2005-12-09 Bernd Schmidt <bernd.schmidt@analog.com>
1358 * config/bfin/bfin.c: Include "cgraph.h".
1359 (bfin_load_pic_reg): Omit loading pic reg if in a local function.
1360 Return the reg that holds the pointer to the GOT.
1361 (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
1362 doing stack checking.
1364 2005-12-09 Diego Novillo <dnovillo@redhat.com>
1366 * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
1367 recompute_tree_invarant_for_addr_expr.
1368 Update uses everywhere.
1370 2005-12-09 Aldy Hernandez <aldyh@redhat.com>
1372 * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
1373 (MULTILIB_DIRNAMES): Define.
1375 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
1378 * config/s390/s390.c (struct s390_address): New field literal_pool.
1379 (s390_decompose_address): Compute literal_pool field. Do not
1380 assume register %r13 is always (and solely) used as pool base.
1381 (s390_extra_constraint_str): Use literal_pool field.
1383 2005-12-09 Thiemo Seufer <ths@networkno.de>
1385 * config/mips/mips.c (override_options): Don't allow too small
1386 integers in FP registers.
1388 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
1390 * config/s390/s390.c (s390_function_ok_for_sibcall): Use
1391 targetm.binds_local_p to check for local function calls.
1393 2005-12-09 Alan Modra <amodra@bigpond.net.au>
1396 * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1397 call_used_regs can't be used to save reg in another reg.
1399 2005-12-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1400 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1402 * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1404 * except.c (output_ttype): Likewise.
1405 * tree-object-size.c (collect_object_sizes_for): Likewise.
1406 (check_for_plus_in_loops_1): Likewise.
1407 (check_for_plus_in_loops): Likewise.
1408 (compute_object_sizes): Use gcc_unreachable instead of abort.
1410 2005-12-08 Nathan Sidwell <nathan@codesourcery.com>
1412 * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1413 (loop_end, loop_init, doloop_end): New insns.
1414 * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1415 (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1416 (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1417 (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1418 * config/ms1/ms1.c: #include basic-block.h
1419 (struct machine_function): Add has_loops field.
1420 (ms1_add_loop): New.
1421 (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1422 (struct loop_info, struct loop_work): New.
1423 (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1424 (ms1_reorg_loops): New loop optimization.
1425 (ms1_machine_reorg): Call it.
1426 * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1428 2005-12-08 Zdenek Dvorak <dvorakz@suse.cz>
1430 PR tree-optimization/25248
1431 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1432 evolution_of_loop from the failed attempt. Remove handling
1435 2005-12-08 Gabriel Dos Reis <gdr@integrable-solutions.net>
1437 * tree.h (DECL_EXTERNAL): Clarify documentation.
1439 2005-12-08 Andreas Krebbel <krebbel1@de.ibm.com>
1440 Jakub Jelinek <jakub@redhat.com>
1443 * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1444 argument. Don't drop outer ANDs.
1445 (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1446 * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1448 * config/s390/predicates.md (setmem_operand): Remove.
1449 (shift_count_operand): Rename to...
1450 (shift_count_or_setmem_operand): ... this. Adjust
1451 s390_decompose_shift_count caller.
1452 * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1453 ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1454 ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1455 <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1456 rotl<mode>3_and, setmem_long_and): New insns.
1457 (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1458 ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1459 <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1460 <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1461 of shift_count_operand.
1462 (setmem_long): Use shift_count_or_setmem_operand instead of
1465 2005-12-08 Daniel Jacobowitz <dan@codesourcery.com>
1466 Andreas Tobler <a.tobler@schweiz.ch>
1468 * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1471 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1473 * expr.c (force_operand): Use convert_to_mode for conversions.
1475 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1477 * reload.h (reg_equiv_invariant): Declare.
1478 * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1479 register also when reg_equiv_invariant[R] is set.
1481 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1482 Andreas Tobler <a.tobler@schweiz.ch>
1484 * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1486 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
1488 * tree-ssa-pre.c (bitmap_set_and): New function.
1489 (bitmap_set_and_compl): New function.
1490 (bitmap_set_empty_p): New function.
1491 (insert_extra_phis): New function.
1492 (compute_avail): Use insert_extra_phis.
1494 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
1496 * config/s390/s390.c (s390_expand_atomic): New function.
1497 Adjust comment of helper functions.
1498 * config/s390/s390-protos.h (s390_expand_atomic): Declare.
1499 * config/s390/s390.md ("ATOMIC"): New code macro.
1500 ("atomic"): Corresponding new code attribute.
1501 ("sync_lock_test_and_set[hq]i",
1502 "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1504 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
1506 * config/s390/s390.c (s390_expand_mask_and_shift,
1507 struct alignment_context, init_alignment_context,
1508 s390_expand_cs_hqi): New.
1509 * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1510 * config/s390/s390.md ("sync_compare_and_swaphi",
1511 "sync_compare_and_swapqi"): New pattern.
1513 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
1515 Fix PR tree-optimization/25291
1516 * tree-ssa-operands.c (add_call_clobber_ops): Remove
1517 redundant and crashing check.
1519 2005-12-08 Alan Modra <amodra@bigpond.net.au>
1522 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1523 tests further when !strict && reload_in_progress.
1524 (print_operand): Check that both operands of indexed address are regs.
1525 (print_operand_address): Likewise.
1526 * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1527 (INT_REG_OK_FOR_BASE_P): Correct.
1529 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1531 Preparation for PR rtl-optimization/20070 / part1
1532 * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1533 * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1534 outgoing_edges_match.
1535 (outgoing_edges_match): Use condjump_equiv_p.
1536 (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1538 * struct-equiv.c: New file.
1539 (death_notes_match_p) New function, broken out of insns_match_p.
1540 * Makefile.in (OBJS-common): Add struct-equiv.o.
1541 (struct-equiv.o): New target.
1543 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1545 * coretypes.h: Revert previous change.
1546 * config/darwin.h: Revert previous reversion.
1547 * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1549 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1551 * coretypes.h (section): Provide dummy definition for target files.
1552 * config/darwin.h: Revert previous change.
1554 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1556 * doc/sourcebuild.texi (all.build, install-normal): Remove.
1557 * configure.ac: Remove all.build and install-normal from target_list
1558 * configure: Regenerate.
1559 * Makefile.in (install): Don't depend on install-normal.
1561 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1563 * Makefile.in: Document the use of stamps.
1565 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1567 * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1568 * Makefile.in: Add code to compute some dependencies on s-gtype
1569 automatically. Remove the declaration of those dependencies.
1571 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1573 * gcc/reload.c (push_secondary_reload): Fix typo:
1574 s/insn_constraint/scratch_constraint/.
1576 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1578 * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1580 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1582 * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1583 (alpha_elf_select_rtx_section): Return the selected section rather
1584 than emitting assembly code.
1585 (alpha_write_linkage): Emit a ".link" directive directly and then
1586 set in_section to NULL.
1587 (vms_asm_out_constructor): Use switch_to_section.
1588 (vms_asm_out_destructor): Likewise.
1589 (unicosmk_output_common): Set in_section to NULL instead of calling
1590 the dummy common_section function.
1591 (unicosmk_text_section): Delete in favor of...
1592 (unicosmk_output_text_section_asm_op): ...this new function.
1593 (unicosmk_data_section): Delete in favor of...
1594 (unicosmk_output_data_section_asm_op): ...this new function.
1595 (unicosmk_init_sections): New function.
1596 (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1597 (unicosmk_output_ssib): Set in_section to NULL instead of calling
1598 the dummy ssib_section function.
1599 (unicosmk_section_buf): Delete.
1600 * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1601 (unicosmk_data_section): Delete.
1602 * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1603 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1604 (SECTION_FUNCTION_TEMPLATE): Delete.
1605 * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1606 (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1607 (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1608 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1609 (TARGET_ASM_INIT_SECTIONS): Define.
1610 * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1611 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1612 (link_section, literals_section): Delete.
1613 (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1614 set in_section to NULL.
1616 * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1617 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1618 (COMMON_SECTION): Delete.
1619 (TARGET_ASM_INIT_SECTIONS): Define.
1620 (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1621 the dummy common_section function.
1622 * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1623 * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1624 between readonly_data_section and text_section to check whether
1625 read-only data is being put in the text section.
1626 (arm_output_function_epilogue): Use switch_to_section.
1627 (arm_elf_asm_constructor): Likewise.
1628 (thumb_call_via_reg): Replace call to in_text_section with
1629 a comparison between in_section and text_section.
1630 (arm_file_end): Use switch_to_section.
1631 (aof_text_section): Delete in favor of...
1632 (aof_output_text_section_asm_op): ...this new function.
1633 (aof_data_section): Delete in favor of...
1634 (aof_output_data_section_asm_op): ...this new function.
1635 (aof_asm_init_sections): New function.
1636 (zero_init_section): Moved from config/arm/aof.h.
1637 (aof_dump_imports, aof_file_start): Use switch_to_section.
1638 * config/arm/arm.h (thumb_call_via_label): Update comment.
1639 * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1640 (common_section): Delete.
1641 * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1642 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1643 global switch_to_section function instead of the old port-local one.
1644 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1645 (SWITCH_TO_SECTION_FUNCTION): Delete.
1646 (drectve_section): Redefine as a macro.
1647 * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1648 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1651 * config/avr/avr.c (progmem_section): New variable.
1652 (avr_output_progmem_section_asm_op): New function.
1653 (avr_asm_init_sections): New function.
1654 (avr_output_addr_vec_elt): Use switch_to_section.
1655 * config/avr/avr.h (progmem_section): Declare.
1656 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1657 (READONLY_DATA_SECTION): Delete.
1658 (TARGET_ASM_INIT_SECTIONS): Define.
1659 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1660 * config/avr/avr-protos.h (progmem_section): Delete.
1662 * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1664 * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1665 (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1667 * config/darwin-sections.def: New file.
1668 * config/darwin.c: Define all sections in darwin-sections.def.
1669 (output_objc_section_asm_op, darwin_init_sections): New functions.
1670 (machopic_output_indirection): Use switch_to_section.
1671 (machopic_select_section): Return the selected section rather than
1672 emitting assembly code. Replace the static function table with
1673 inline conditional expressions. Update the tests of last_text_section
1674 and move them into the FUNCTION_DECL block.
1675 (machopic_select_rtx_section): Return the selected section rather than
1676 emitting assembly code.
1677 (machopic_asm_out_constructor, machopic_asm_out_destructor)
1678 (darwin_file_end): Use switch_to_section.
1679 * config/darwin.h: Use darwin-sections.def to declare sections.
1680 (INIT_SECTION_ASM_OP): Remove empty definition.
1681 (HAS_INIT_SECTION): Define this instead.
1682 (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1683 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1684 (TARGET_ASM_EH_FRAME_SECTION): Delete.
1685 (TARGET_ASM_INIT_SECTIONS): Define.
1686 * config/darwin-protos.h (darwin_init_sections): Declare.
1687 (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1688 (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1689 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1690 (constructor_section, destructor_section, mod_init_section): Delete.
1691 (mod_term_section): Delete.
1692 (darwin_exception_section, darwin_eh_frame_section): Delete.
1693 (machopic_select_section): Return a section.
1694 (machopic_select_rtx_section): Likewise.
1695 (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1696 (const_section, const_coal_section, const_data_section): Delete.
1697 (const_data_coal_section, data_coal_section, cstring_section): Delete.
1698 (literal4_section, literal8_section, constructor_section): Delete.
1699 (mod_init_section, mod_term_section, destructor_section): Delete.
1700 (objc_class_section, objc_meta_class_section, objc_category_section)
1701 (objc_class_vars_section, objc_instance_vars_section): Delete.
1702 (objc_cls_meth_section, objc_inst_meth_section): Delete.
1703 (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1704 (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1705 (objc_symbols_section, objc_module_info_section): Delete.
1706 (objc_image_info_section, objc_protocol_section): Delete.
1707 (objc_string_object_section, objc_constant_string_object_section)
1708 (objc_class_names_section, objc_meth_var_names_section): Delete.
1709 (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1710 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1711 (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1712 (darwin_exception_section, darwin_eh_frame_section): Delete.
1713 * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1715 * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1716 (frv_asm_out_destructor): Likewise.
1717 * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1718 (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1719 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1721 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1722 * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1723 (data_section): Delete.
1725 * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1726 (DRECTVE_SECTION_FUNCTION): Delete.
1727 (drectve_section): Redefine as a macro that sets in_section after
1728 emitting the directive.
1729 (SWITCH_TO_SECTION_FUNCTION): Delete.
1730 * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1731 in_text_section with comparison between in_section and text_section.
1732 * config/i386/i386.c (x86_64_elf_select_section): Return the section
1733 rather than emitting assembly code. Use get_named_section.
1734 (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1736 (machopic_output_stub): Use switch_to_section.
1737 * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1738 (nwld_named_section_asm_out_destructor): Use get_section and
1741 * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1742 rather than emitting assembly code.
1743 (ia64_rwreloc_select_section): Likewise.
1744 (ia64_rwreloc_select_rtx_section): Likewise.
1745 * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1746 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1748 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1749 (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1751 * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1752 section rather than emitting assembly code.
1753 (iq2000_select_section): Likewise.
1754 * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1755 (sbss_section): Delete.
1757 * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1758 and get_named_section.
1759 * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1761 * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1762 (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1763 (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1764 (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1766 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1767 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1768 global switch_to_section function instead of the old port-local one.
1769 * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1770 (SWITCH_SECTION_FUNCTION): Delete.
1771 * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1772 (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1773 (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1774 (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1776 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1777 global switch_to_section function instead of the old port-local one.
1778 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1780 * config/mips/mips.c (mips_file_start): Update comment.
1781 (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1782 (mips_output_aligned_decl_common): Use switch_to_section.
1783 (mips_select_rtx_section): Return the section rather than emitting
1784 assembly code. Use get_named_section.
1785 (mips_function_rodata_section: Likewise get_section.
1786 (build_mips16_function_stub): Use switch_to_section.
1787 * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1788 (SDATA_SECTION_ASM_OP): Delete.
1789 * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1790 (EXTRA_SECTION_FUNCTIONS): Delete.
1792 * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1793 (mmix_asm_output_aligned_local): Use switch_to_section.
1795 * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1796 (som_one_only_readonly_data_section): New variables.
1797 (pa_output_function_epilogue): Set in_section to NULL instead of
1798 calling forget_section.
1799 (output_deferred_plabels): Use select_section.
1800 (pa_asm_output_mi_thunk): Likewise. Set in_section to NULL instead
1801 of calling forget_section.
1802 (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1803 (pa_asm_output_aligned_local): Use select_section.
1804 (som_text_section_asm_op): Delete in favor of...
1805 (som_output_text_section_asm_op): ...this new function.
1806 (pa_som_asm_init_sections): New function.
1807 (pa_select_section): Return the section rather than emitting
1809 * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1810 (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1811 (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1812 (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1813 * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1814 (som_readonly_data_section, som_one_only_readonly_data_section)
1815 (som_one_only_data_section, forget_section): Delete.
1816 * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1817 (TARGET_ASM_INIT_SECTIONS): Define.
1818 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1820 * config/rs6000/rs6000.c (read_only_data_section): New variable.
1821 (private_data_section, read_only_private_data_section): New variables.
1822 (sdata2_section, toc_section): New variables.
1823 (rs6000_file_start): Use switch_to_section.
1824 (rs6000_assemble_integer): Use comparisons against in_section
1825 instead of calling in_toc_section and in_text_section. Use
1826 unlikely_text_section_p.
1827 (rs6000_elf_output_toc_section_asm_op): New function, derived
1828 from the old rs6000/sysv4.h toc_section function.
1829 (rs6000_elf_asm_init_sections): New function.
1830 (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1831 the section rather than emitting assembly code.
1832 (machopic_output_stub): Use switch_to_section.
1833 (toc_section): Delete dummy function.
1834 (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1835 switch_to_section and get_section.
1836 (rs6000_xcoff_output_readonly_section_asm_op): New function.
1837 (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1838 (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1839 the old rs6000/xcoff.h toc_section function.
1840 (rs6000_xcoff_asm_init_sections): New function.
1841 (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1842 the section rather than emitting assembly code.
1843 (rs6000_xcoff_file_start): Use switch_to_section.
1844 (rs6000_xcoff_file_end): Likewise.
1845 * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1846 (sdata2_section, sbss_section, private_data_section): Delete.
1847 (read_only_data_section, read_only_private_data_section): Delete.
1848 * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1849 (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1850 (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1851 (FINI_SECTION_FUNCTION): Delete.
1852 (TARGET_ASM_INIT_SECTIONS): Define.
1853 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1854 * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1855 (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1856 (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1857 (READONLY_DATA_SECTION): Delete.
1858 (TARGET_ASM_INIT_SECTIONS): Define.
1859 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. Set in_section
1860 to NULL rather than no_section.
1861 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1863 * config/sh/sh.c (sh_file_start): Use switch_to_section.
1865 * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1866 (sparc_output_deferred_case_vectors): Likewise. Remove argument
1867 from call to current_function_section.
1869 * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1870 (bss100_section): New variable.
1871 (xstormy16_asm_output_aligned_common): Use switch_to_section.
1872 (xstormy16_asm_init_sections): New function.
1873 (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1874 switch_to_section and get_section.
1875 (xstormy16_output_addr_vec): Use switch_to_section. Remove argument
1876 from calls to current_function_section.
1877 * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1878 (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1879 (TARGET_ASM_INIT_SECTIONS): Define.
1880 * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1882 * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1883 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1884 (FINI_SECTION_FUNCTION): Delete.
1886 * config/v850/v850.c: Include gt-v850.h.
1887 (rosdata_section, rozdata_section, tdata_section, zdata_section)
1888 (zbss_section): New variables.
1889 (v850_output_aligned_bss): Use switch_to_section.
1890 (v850_asm_init_sections): New function.
1891 (v850_select_section): Return the section rather than emitting
1893 * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1894 (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1895 (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1896 (TARGET_ASM_INIT_SECTIONS): Define.
1897 * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1898 (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1899 (zbss_section): Delete.
1901 * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1903 * config/vx-common.h (vxworks_exception_section): Delete.
1904 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1906 * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1907 section rather than emitting assembly code.
1908 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1911 * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1912 * coretypes.h (section): New union and typedef.
1913 * dbxout.c (FORCE_TEXT): Use switch_to_section. Remove argument
1914 from call to current_function_section.
1915 (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1916 (dbxout_symbol_location): Use switch_to_section.
1917 * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1918 most of the code into...
1919 (default_eh_frame_section): ...here. Return a section.
1920 (collect2_eh_frame_section): Delete, moving most of the code into..
1921 (switch_to_eh_frame_section): ...this new function.
1922 (debug_info_section, debug_abbrev_section, debug_aranges_section)
1923 (debug_macinfo_section, debug_line_section, debug_loc_section)
1924 (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1926 (output_call_frame_info): Call switch_to_eh_frame_section instead of
1927 eh_frame_section. Use switch_to_section and get_section.
1928 (dwarf2out_begin_prologue): Use switch_to_section.
1929 (AT_string_form): Check the flags in debug_str_section instead of
1930 DEBUG_STR_SECTION_FLAGS.
1931 (output_comp_unit): Use switch_to_section, get_section, and
1933 (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1934 (dwarf2out_begin_block): Use switch_to_section. Remove argument
1935 from call to current_function_section.
1936 (dwarf2out_var_location): Use unlikely_text_section_p.
1937 (dwarf2out_source_line): Use switch_to_section. Remove argument
1938 from call to current_function_section.
1939 (dwarf2out_start_source_file, dwarf2out_end_source_file)
1940 (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1941 debug_macinfo_section.
1942 (dwarf2out_init): Initialize the new section variables. Use them
1943 instead of calls to named_section_flags. Use switch_to_section.
1944 (output_indirect_string): Use switch_to_section and debug_str_section.
1945 (dwarf2out_finish): Use switch_to_section and the new section
1947 * except.c (default_exception_section): Return the section instead
1948 of emitting assembly code.
1949 (output_function_exception_table): Use the global exception_section
1950 variable instead of the target hook. Use switch_to_section. Remove
1951 argument from call to current_function_section.
1952 * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1953 (shorten_branches): Use pointer comparisons to detect whether the
1954 text section is the same as readonly_data_section.
1955 (profile_function): Use switch_to_section. Remove argument from
1956 call to current_function_section.
1957 (final_scan_insn): Likewise. Update use of last_text_section.
1958 * gengtype.c (open_base_files): Add an include of output.h.
1959 * output.h (text_section, data_section, readonly_data_section)
1960 (ctors_section, dtors_section, bss_section, init_section)
1961 (fini_section, sdata_section): Turn into section pointers.
1962 (in_text_section, in_unlikely_text_section, exports_section)
1963 (drectve_section, named_section, mergeable_string_section)
1964 (last_text_section_name): Delete.
1965 (default_exception_section, default_eh_frame_section): Return sections.
1966 (SECTION_DECLARED, SECTION_NAMED): New macros.
1967 (SECTION_MACH_DEP): Bump value.
1968 (section_common, named_section, unnamed_section): New structures.
1969 (unnamed_section_callback): New typedef.
1970 (section): New union.
1971 (sbss_section, exception_section, eh_frame_section): New variables.
1972 (in_section, last_text_section): Turn into section pointers.
1973 (get_unnamed_section, get_section, get_named_section): New functions.
1974 (mergeable_constant_section, function_section): Return a section.
1975 (unlikely_text_section): Likewise.
1976 (current_function_section): Likewise. Remove the decl argument.
1977 (unlikely_text_section_p, switch_to_section): New functions.
1978 (output_section_asm_op): New function.
1979 (set_named_section_flags, named_section_flags, named_section_real)
1980 (named_section_first_declaration): Delete.
1981 (default_select_section, default_elf_select_section): Return a section.
1982 (default_elf_select_section_1, default_function_rodata_section)
1983 (default_no_function_rodata_section, default_select_rtx_section)
1984 (default_elf_select_rtx_section): Likewise.
1985 * rtl.h (in_data_section): Delete.
1986 * sdbout.c (sdbout_one_type): Use switch_to_section.
1987 * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1988 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1989 (TARGET_ASM_EH_FRAME_SECTION): Poison.
1990 * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1991 (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1992 (TARGET_ASM_OUT): Update after above changes.
1993 * target.h (init_sections): New hook.
1994 (exception_section, eh_frame_section): Delete.
1995 (select_section, select_rtx_section, function_rodata_section): Return
1996 a section rather than emitting assembly code.
1997 * varasm.c (text_section, data_section, readonly_data_section)
1998 (ctors_section, dtors_section, bss_section, init_section)
1999 (fini_section): Turn into section pointers.
2000 (sdata_section, sbss_section, exception_section): New variables.
2001 (eh_frame_section): New variable.
2002 (in_section): Make global and turn into a section pointer.
2003 (last_text_section): Turn into a section pointer.
2004 (unnamed_sections): New variable.
2005 (in_named_name, last_text_section_name): Delete.
2006 (EXTRA_SECTION_FUNCTIONS): Delete.
2007 (in_named_entry): Delete.
2008 (section_htab): New variable, replacing...
2009 (in_named_htab): ...this deleted variable.
2010 (section_entry_eq, section_entry_hash): New functions, based on...
2011 (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
2012 (get_unnamed_section, get_section): New functions.
2013 (unlikely_text_section): Return a section instead of emitting
2015 (in_text_section, in_unlikely_text_section, in_data_section): Delete.
2016 (get_named_section_flags, named_section_first_declaration): Delete.
2017 (unlikely_text_section_p): New function.
2018 (named_section_real, named_section): Delete.
2019 (get_named_section): New function.
2020 (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
2021 (function_section): Return a section rather than emitting
2023 (current_function_section): Likewise. Remove argument. Use
2024 last_text_section if nonnull, otherwise use function_section.
2025 (default_function_rodata_section): Return a section rather than
2026 emitting assembly code. Use get_section.
2027 (default_no_function_rodata_section): Return a section rather than
2028 emitting assembly code.
2029 (variable_section): Use switch_to_section and get_named_section.
2030 (mergeable_string_section): Return a section rather than emitting
2031 assembly code. Use get_section. Make static. Don't take special
2032 countermeasures for empty strings.
2033 (mergeable_constant_section): Return a section rather than emitting
2034 assembly code. Use get_section.
2035 (default_named_section_asm_out_destructor): Use switch_to_section
2037 (default_dtor_section_asm_out_destructor): Use switch_to_section.
2038 (default_named_section_asm_out_constructor): Use switch_to_section
2040 (default_ctor_section_asm_out_constructor): Use switch_to_section.
2041 (assemble_start_function): Likewise. Set last_text_section to
2042 NULL rather than no_section. Change the type of save_section.
2043 (assemble_zeros, assemble_variable): Use the section flags to detect
2044 whether or not a section is text.
2045 (assemble_static_space): Use switch_to_section.
2046 (assemble_trampoline_template): Likewise.
2047 (output_constant_def_contents): Use switch_to_section and
2049 (output_constant_pool_1): Use switch_to_section. Use the section
2050 flags to see whether sections contain mergeable data.
2051 (init_varasm_once): Initialize section_htab instead of in_named_htab.
2052 Initialize new section variables. Call TARGET_ASM_INIT_SECTIONS.
2053 (default_elf_asm_named_section): Use SECTION_DECLARED to detect
2054 whether a section has already been declared.
2055 (default_select_section, default_elf_select_section): Return a
2056 section rather than emitting assembly code.
2057 (default_elf_select_section_1): Likewise. Use bss_section for
2058 SECCAT_BSS if nonnull. Use get_named_section.
2059 (default_select_rtx_section): Return a section rather than
2060 emitting assembly code.
2061 (default_elf_select_rtx_section): Likewise. Use get_named_section.
2062 (file_end_indicate_exec_stack): Use switch_to_section and get_section.
2063 (output_section_asm_op, switch_to_section): New functions.
2064 * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
2067 * doc/tm.texi: Expand the introduction to the sections documentation.
2068 (TRAMPOLINE_SECTION): Document new interface.
2069 (SDATA_SECTION_ASM_OP): Document new macro.
2070 (READONLY_DATA_SECTION): Delete.
2071 (SDATA_SECTION_ASM_OP): Document new macro.
2072 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2073 (TARGET_ASM_INIT_SECTIONS): Document new hook.
2074 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
2075 (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
2076 (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
2078 2005-12-07 Alan Modra <amodra@bigpond.net.au>
2080 * gcc.c (init_gcc_specs): Match braces inside conditionally
2083 2005-12-06 Geoffrey Keating <geoffk@apple.com>
2085 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
2087 2005-12-06 Aldy Hernandez <aldyh@redhat.com>
2090 * tree.c (integer_all_onesp): Always return true if all bits on.
2092 * testsuite/g++.dg/init/array0.C: New.
2094 2005-12-06 Adrian Straetling <straetling@de.ibm.com>
2096 * doc/md.texi: Adapt to implementation.
2098 2005-12-06 Andreas Schwab <schwab@suse.de>
2100 * opts.c (decode_options): Fix typo in message.
2102 2005-12-06 Alan Modra <amodra@bigpond.net.au>
2105 * longlong.h: Merge PPC tests from upstream.
2107 2005-12-06 Richard Guenther <rguenther@suse.de>
2109 * fold-const.c (fold_convert): Do not build and fold
2110 CONVERT_EXPR, but always use NOP_EXPR.
2112 2005-12-06 Jan Beulich <jbeulich@novell.com>
2114 * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
2115 __builtin_ia32_paddq and __builtin_ia32_subq.
2116 (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
2117 __builtin_ia32_pshufw.
2118 * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
2120 2005-12-05 James E Wilson <wilson@specifix.com>
2123 * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
2126 2005-12-05 Daniel Berlin <dberlin@dberlin.org>
2128 * print-tree.c (print_node): Ditto.
2129 * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
2130 * tree-dump.c (dequeue_and_dump): Check for decl_common structure
2131 before accessing DECL_ARTIFICIAL.
2132 Handle new tag tree codes.
2133 * tree-flow-inline.h (clear_call_clobbered): Update for tag
2135 (unmodifiable_var_p): Ditto.
2136 * tree-flow.h (mem_tag_kind): Remove.
2137 (struct var_ann_d): Remove mem_tag_kind member.
2138 * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
2139 * tree-pretty-print.c (dump_generic_node): Handle memory tags.
2140 * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
2141 (group_aliases): Ditto.
2142 (setup_pointers_and_addressables): Ditto.
2143 (is_escape_site): Ditto.
2144 (may_alias_p): Ditto.
2145 (create_tag_raw): New function.
2146 (create_memory_tag): Use it.
2147 (dump_alias_info): Update for tags.
2148 (may_be_aliased): Ditto.
2149 (add_type_alias): Ditto.
2150 (new_type_alias): Ditto.
2151 (create_sft): Ditto.
2152 (create_structure_vars): Ditto.
2153 * tree-ssa-ccp.c (get_default_value): Ditto.
2154 * tree-ssa-operands.c (get_expr_operands): Ditto.
2155 (add_stmt_operand): Ditto.
2156 (add_call_clobber_ops): Remove duplicated condition.
2157 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2159 * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
2160 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2161 * tree.c (init_ttree): Update structures for new tree codes.
2162 (tree_code_size): Update sizes for new tree codes.
2163 (make_node_stat): Don't try to set common things on minimal
2165 (tree_node_structure): Update for tags.
2166 (is_global_var): Ditto.
2167 * tree.def: Add new tree codes.
2168 * tree.h (MTAG_P): New macro.
2169 (TREE_MEMORY_TAG_CHECK): Ditto.
2170 (SSA_VAR_P): Update for tags.
2171 (struct tree_memory_tag): New structure.
2172 (MTAG_GLOBAL): New macro.
2173 (union tree_node): Add memory tag member.
2174 * treestruct.def (TS_MEMORY_TAG): New.
2176 2005-12-05 Dale Johannesen <dalej@apple.com>
2178 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match
2179 what was approved (PR 24323).
2181 2005-12-05 Gabriel Dos Reis <gdr@integrable-solutions.net>
2183 * doc/c-tree.texi (Function Bodies): Remove description of
2186 2005-12-05 Joseph S. Myers <joseph@codesourcery.com>
2188 * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
2189 __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
2190 __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
2191 __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
2192 __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
2193 __divxc3): Document.
2195 2005-12-05 Geoffrey Keating <geoffk@apple.com>
2197 * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
2199 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
2200 hook_bool_void_false.
2201 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2202 * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
2204 * config/darwin.c (machopic_select_section): It's not defined
2205 as weak if it's only marked as weak_import.
2207 * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
2210 * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
2211 A hidden weak object does bind locally. Strong linkonce data
2212 counts like any other strong symbol for binding.
2213 (weak_finish_1): Don't specially handle weakrefs, they no longer
2215 (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
2216 * c-common.c (handle_alias_attribute): Allow static aliases
2218 (handle_weakref_attribute): Don't call declare_weak on weakrefs.
2219 * gthr-dce.h: Make weakrefs static.
2220 * gthr-tpf.h: Likewise.
2221 * gthr-solaris.h: Likewise.
2222 * gthr-posix.h: Likewise.
2223 * gthr-posix95.h: Likewise.
2224 * config/darwin.c (darwin_encode_section_info): static weakref
2225 variables are not necessarily defined in this translation unit.
2226 * doc/extend.texi (Function Attributes): Mention that an alias
2227 attribute creates a definition for the thing it's attached to.
2228 Change the documentation for weakref to say that the thing
2229 it's attached to must be static.
2231 * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
2232 we don't go into an infinite loop.
2234 2005-12-05 Paolo Bonzini <bonzini@gnu.org>
2236 * config/rs6000/predicates.md (logical_const_operand): Split
2237 out of logical_operand.
2238 (logical_operand): Use it.
2239 * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
2240 logical_const_operand.
2242 2005-12-05 Jan Beulich <jbeulich@novell.com>
2244 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
2245 and IX86_BUILTIN_CMPNESS.
2246 (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
2247 * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
2248 * config/i386/i386.md (movti_internal): Correct type attribute.
2249 Simplify mode attribute.
2250 (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
2251 Correct type attribute.
2252 (absxf2): Correct operator.
2253 * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
2254 movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
2255 * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
2257 (sse2_vmsqrtv2df2): Correct mode attribute.
2259 2005-12-05 Jan Beulich <jbeulich@novell.com>
2261 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
2262 16 bits. Provide insn pattern for this case.
2264 2005-12-05 Jan Beulich <jbeulich@novell.com>
2266 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
2268 (__popcountDI2): Likewise.
2270 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2273 * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
2274 _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
2275 * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
2278 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
2280 * c-typeck.c (null_pointer_constant_p): New function.
2281 (build_conditional_expr, build_c_cast, convert_for_assignment,
2282 build_binary_op): Use it.
2284 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
2286 * c-common.c (binary_op_error): Do not allow NOP_EXPR.
2287 (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
2289 (check_function_arguments_recurse): Allow both NOP_EXPR and
2290 CONVERT_EXPR but check conversions preserve precision.
2291 * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
2292 but check conversions preserve precision.
2293 (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in
2296 2005-12-04 Roger Sayle <roger@eyesopen.com>
2299 * common.opt (Wstring-literal-comparison): New command line option.
2300 * c-opts.c (c_common_handle_option): Set it with -Wall.
2301 * c-typeck.c (parser_build_binary_op): Issue warning if either
2302 operand of a comparison operator is a string literal, except for
2303 testing equality or inequality against NULL.
2305 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
2307 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
2309 * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
2310 of building a NOP_EXPR.
2311 (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as
2313 * c-convert.c (convert): Use fold_convert instead of building
2314 NOP_EXPRs and CONVERT_EXPRs directly. Don't special case
2315 c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove
2317 * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
2318 NOP_EXPR the same as CONVERT_EXPR.
2319 * c-typeck.c (build_function_call): Use fold_convert instead of
2320 building a NOP_EXPR directly.
2321 (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
2323 2005-12-03 Alan Modra <amodra@bigpond.net.au>
2325 PR rtl-optimization/25197
2326 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
2329 2005-12-02 Stuart Hastings <stuart@apple.com>
2331 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
2334 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
2336 * c-typeck.c (default_function_array_conversion,
2337 build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
2338 (build_conditional_expr): Apply integer_zerop to orig_op1 and
2339 orig_op2. Don't check them for NOP_EXPR.
2340 (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
2341 around integer zero.
2343 2005-12-03 Alan Modra <amodra@bigpond.net.au>
2345 * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
2346 toc_save_offset, toc_size, lr_size.
2347 (rs6000_stack_info): Use memset rather than bss struct copy to init.
2348 Test rs6000_ra_ever_killed last in condition setting lr_save_p.
2349 Adjust for removal of unused rs6000_stack_t fields.
2350 (debug_stack_info): Adjust.
2351 (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls
2352 first, and don't bother checking for set/inc of lr on sibcalls.
2353 (rs6000_emit_epilogue): Tidy code restoring stack pointer.
2355 2005-12-02 Jakub Jelinek <jakub@redhat.com>
2358 * config/i386/i386.md (movqi_1): Only force imovx for alternative
2359 5 if operand 1 is not aligned. Undo previous constraint change.
2360 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
2362 2005-12-02 Richard Guenther <rguenther@suse.de>
2364 * tree.h (build): Remove prototype.
2365 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
2366 * tree.c (build): Remove.
2367 (build0_stat): Update comment.
2369 2005-12-02 Richard Guenther <rguenther@suse.de>
2371 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
2372 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
2374 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
2375 maybe_fold_offset_to_component_ref): Likewise.
2376 * tree-ssa-dom.c (thread_across_edge,
2377 simplify_rhs_and_lookup_avail_expr,
2378 find_equivalent_equality_comparison, record_equivalences_from_stmt):
2380 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
2381 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
2382 lower_try_finally_switch): Likewise.
2383 * tree-if-conv.c (add_to_dst_predicate_list,
2384 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2385 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2386 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2387 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2388 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2389 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2390 gimplify_init_ctor_eval, gimplify_init_constructor,
2391 gimplify_variable_sized_compare, gimplify_boolean_expr,
2392 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2393 gimplify_expr, gimplify_body, gimplify_function_tree,
2394 force_gimple_operand): Likewise.
2395 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2396 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2397 mx_register_decls): Likewise.
2398 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2399 get_frame_field, finalize_nesting_tree_1): Likewise.
2400 * tree-inline.c (setup_one_parameter): Likewise.
2401 * tree-vect-transform.c (vectorizable_condition): Likewise.
2402 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2404 * tree-profile.c (tree_gen_edge_profiler): Likewise.
2405 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2406 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2407 * tree-chrec.h (build_polynomial_chrec): Likewise.
2409 2005-12-02 Richard Guenther <rguenther@suse.de>
2411 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2412 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2413 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2414 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2415 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2416 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2417 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2419 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2420 sh_adjust_unroll_max): Likewise.
2421 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2422 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2423 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2425 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2427 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2430 2005-12-02 Richard Guenther <rguenther@suse.de>
2432 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2433 simplify_cond_using_ranges): Use buildN instead of build.
2434 * tree-tailcall.c (adjust_accumulator_values,
2435 adjust_return_value): Likewise.
2436 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
2437 generate_element_copy, generate_element_zero,
2438 generate_one_element_init): Likewise.
2439 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2440 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2441 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2442 perfect_nestify): Likewise.
2444 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2446 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
2448 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
2450 * ggc.h (GGC_RESIZEVEC): New.
2452 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2454 * gcc.c (execute): Improve readability.
2456 2005-12-02 Richard Guenther <rguenther@suse.de>
2458 * tree-cfg.c (mark_used_vars): New function.
2459 (dump_function_to_file): Dump only used VAR_DECLs.
2461 2005-12-02 Richard Guenther <rguenther@suse.de>
2463 * convert.c (convert_to_integer): Fix compare for nonpositive
2464 constant to use tree_int_cst_sgn <= 0.
2466 2005-12-02 Richard Guenther <rguenther@suse.de>
2468 * convert.c (convert_to_integer): Use fold_convert instead
2469 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
2470 instead of comparing against 0. Use build_int_cst instead
2471 of converting integer_zero_node.
2473 2005-12-02 Richard Guenther <rguenther@suse.de>
2475 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2478 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2481 * combine.c (simplify_logical <IOR>): Simplify more patterns to
2484 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2487 * function.c (expand_function_end): Emit blockage for unwinder
2490 2005-12-01 Roger Sayle <roger@eyesopen.com>
2492 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2493 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2494 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2495 integer constant comparisons.
2497 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
2498 Janis Johnson <janis187@us.ibm.com>
2499 David Edelsohn <dje@watson.ibm.com>
2500 Ben Elliston <bje@au.ibm.com>
2502 * dfp.h, dfp.c: New files.
2503 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2504 (DECNUM_H): Likewise.
2505 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2506 (INCLUDES): Append $(DECNUMINC).
2507 (OBJS-common): Add dfp.o.
2509 * real.h (EXP_BITS): Pinch one bit to ..
2510 (struct real_value): Add decimal field.
2511 (real_format): Change table size, update documentation.
2512 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
2513 (real_from_string3): Declare.
2514 (decimal_single_format): Declare.
2515 (decimal_double_format): Declare.
2516 (decimal_quad_format): Declare.
2517 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
2518 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
2519 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
2520 * real.c: Include dfp.h.
2521 (normalize): Early return for decimal floats.
2522 (do_add): Zero decimal field.
2523 (do_compare): Call do_decimal_compare for decimal floats.
2524 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2525 (real_arithmetic): Call decimal_real_arithmetic for decimal
2526 floating point operands.
2527 (real_identical): If a and b are of differing radix, return false.
2528 (real_to_integer): Call decimal_real_to_integer if the value is a
2530 (real_to_integer2): Likewise, call decimal_real_to_integer2.
2531 (real_to_decimal): Likewise, call decimal_real_to_decimal.
2532 (real_to_hexadecimal): Place "N/A" in the return string for
2534 (real_from_string3): New variant, given a mode.
2535 (real_maxval): Use decimal_real_maxval for decimal floats.
2536 (round_for_format): Use decimal_round_for_format for decimals.
2537 (real_convert): Use decimal_real_convert where appropriate.
2538 (significand_size): Handle base 10.
2539 (encode_decimal_single, decode_decimal_single,
2540 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2541 decode_decimal_quad): New functions.
2542 (decimal_single_format): New.
2543 (decimal_double_format): New.
2544 (decimal_quad_format): New.
2545 * machmode.def: Add SD, DD and TD decimal floating point modes.
2546 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2547 Include MODE_DECIMAL_FLOAT.
2548 (DECIMAL_FLOAT_MODE_P): New.
2549 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2550 * genmodes.c (struct mode_data): Add counter field.
2551 (struct mode_data): Update comment for format.
2552 (blank_mode): Initialise counter field.
2553 (new_mode): Increment counter field for each mode defined.
2554 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2556 (make_complex_modes): Handle modes containing `D'.
2557 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2558 (make_decimal_float_mode): New.
2559 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2560 (cmp_modes): Compare counter field if other characteristics
2562 (emit_real_format_for_mode): Support formats for decimal floats.
2563 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2564 Document MODE_DECIMAL_FLOAT.
2566 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2568 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2571 2005-12-01 Richard Henderson <rth@redhat.com>
2573 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2575 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2577 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2579 * config/pa/pa.c (pa_init_builtins): If we detect
2580 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2583 2005-12-01 Richard Guenther <rguenther@suse.de>
2585 * fold-const.c (fold_binary): Use fold_build2, not
2588 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
2590 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2592 * vec.h (VEC_block_remove): New.
2594 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
2597 * c-common.c (lvalue_error): Fix wording.
2599 2005-12-01 Richard Guenther <rguenther@suse.de>
2601 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2602 thinko in last patch.
2604 2005-12-01 Geoffrey Keating <geoffk@apple.com>
2606 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2607 than -flat_namespace.
2609 2005-12-01 Ben Elliston <bje@au.ibm.com>
2611 * mklibgcc.in: Parameterise the script to build soft float
2612 functions by iterating over each type, rather than cloning the
2615 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2618 * builtins.c (fold_builtin_fputs): Defer check for missing
2619 replacement functions.
2621 2005-11-30 Kean Johnston <jkj@sco.com>
2623 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2624 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2626 2005-11-30 Richard Guenther <rguenther@suse.de>
2628 PR tree-optimization/22501
2629 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2630 function split out from ...
2631 (forward_propagate_addr_expr): ... here. Use it to propagate
2632 ADDR_EXPRs to all uses.
2634 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2636 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2637 * builtins.c (expand_builtin_mathfn): Use them.
2638 (expand_builtin_mathfn_2): Likewise.
2639 (expand_builtin_mathfn_3): Likewise.
2640 (expand_builtin_int_roundingfn): Likewise.
2641 (expand_builtin): Likewise.
2642 (integer_valued_real_p): Likewise.
2643 (fold_builtin_int_roundingfn): Likewise.
2644 (fold_builtin_bitop): Likewise.
2645 (fold_builtin_logarithm): Likewise.
2646 (fold_builtin_1): Likewise.
2647 * convert.c (convert_to_integer): Likewise.
2648 * fold-const.c (negate_mathfn_p): Likewise.
2649 (tree_expr_nonnegative_p): Likewise.
2651 2005-11-30 Dale Johannesen <dalej@apple.com>
2652 Andrew Pinski <pinskia@physics.uc.edu>
2654 * combine.c (find_split_point): Sign extend bitmask
2655 when changing bitfield assignment to IOR of AND.
2657 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2659 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2660 clobber to scratch reg.
2661 (*decrement_and_branch_until_zero_no_clobber): Remove.
2662 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2663 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2664 * config/ms1/ms1.opt (mmul): Remove.
2665 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2666 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2668 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2669 Bernd Schmidt <bernd.schmidt@analog.com>
2671 * pa/predicates.md (symbolic_operand): Add comment.
2672 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2673 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2674 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2675 (pa_secondary_reload_class): Delete.
2676 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2677 and pa_secondary_reload_class. Reorder some checks. Update inline
2678 copy of symbolic operand.
2679 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2681 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2683 * loop-doloop.c (add_test): Only add jump notes if we did emit a
2686 2005-11-30 Jeff Law <law@redhat.com>
2688 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2689 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2691 2005-11-30 Jakub Jelinek <jakub@redhat.com>
2693 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2694 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2695 (ia64_expand_move): Adjust caller.
2697 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2698 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2701 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
2703 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2704 Always produce an output if we can remove NEGs or canonicalize
2705 (minus (minus ...)) expressions. Provide a fast path for the
2707 (simplify_gen_binary): Do not call simplify_plus_minus.
2708 (simplify_binary_operation_1): Reassociate at the end of the
2711 2005-11-29 Evan Cheng <evan.cheng@apple.com>
2713 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2714 moves and unpack to speed up.
2716 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
2718 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2719 argument, they are always sparc_compare_op0 and sparc_compare_op1.
2720 (gen_v9_scc): Update callers.
2721 * config/sparc/sparc.md: Likewise.
2722 * config/sparc/sparc-protos.h: Update extern declaration.
2724 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2726 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2728 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2731 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2733 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2734 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2735 (negate_expr): Here.
2737 2005-11-29 Ben Elliston <bje@au.ibm.com>
2739 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2740 Fix typo in comment.
2742 2005-11-29 Ben Elliston <bje@au.ibm.com>
2744 * Makefile.in (clean-target): Depend on clean-target-libgcc.
2745 (clean-target-libgcc): Import rule from the top-level Makefile.in.
2747 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2751 * builtins.c (init_target_chars): New.
2752 (expand_builtin_printf, expand_builtin_fprintf,
2753 expand_builtin_sprintf, fold_builtin_sprintf,
2754 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2755 fold_builtin_snprintf_chk, fold_builtin_printf,
2756 fold_builtin_fprintf): Check for matching format strings using
2759 2005-11-29 Paul Brook <paul@codesourcery.com>
2761 * config.gcc: Do not use fixproto on m68k-elf.
2763 2005-11-28 Roger Sayle <roger@eyesopen.com>
2765 * expmed.c (div_cost): Replace with...
2766 (sdiv_cost, udiv_cost): New.
2767 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2768 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2769 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2770 (expand_divmod): Replace use of div_cost with either sdiv_cost
2771 or udiv_cost depending upon the signedness of the operation.
2773 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2776 * config/darwin.c (machopic_indirection_name,
2777 machopic_output_indirection): Follow transparent alias chain.
2779 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2781 * varasm.c (ultimate_transparent_alias_target): Add comment.
2783 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
2785 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2786 SET_SRC instead of XEXP where appropriate.
2788 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2790 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2793 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2795 * config/fp-bit.h (LSHIFT): Take shift count parameter.
2796 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2799 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
2801 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2802 secondary_input_reload_class, made static. Adapt to new
2804 (secondary_output_reload_class): Delete.
2805 (TARGET_SECONDARY_RELOAD): New macro.
2806 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2807 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2809 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
2812 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
2813 when its natural alignment is > BITS_PER_UNIT.
2814 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2815 * c-common.c (handle_packed_attribute): Ignore packing on a field
2816 whose type is naturally char aligned.
2818 2005-11-28 Richard Guenther <rguenther@suse.de>
2820 * c-common.c (strict_aliasing_warning): Handle all
2821 component-ref like accesses.
2823 2005-11-28 Roger Sayle <roger@eyesopen.com>
2824 Uros Bizjak <uros@kss-loka.si>
2827 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2828 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2829 when flag_unsafe_math_optimizations is set and
2830 we don't care about NaNs or Infinities.
2832 Move x/expN(y) and x/pow(y,z) transformation into common
2833 flag_unsafe_math_optimizations section.
2835 2005-11-27 Mark Mitchell <mark@codesourcery.com>
2837 * gcc.c (main): Change type of argv to "char **".
2839 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2841 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2842 small data sections.
2843 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2844 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2845 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2846 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
2847 output locals to sbss if !rs6000_elf_in_small_data_p.
2848 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2850 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2853 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2854 generated by reload.
2855 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2856 indexed_or_indirect_address.
2857 (indexed_or_indirect_address): Don't test for base reg. Call
2858 address_operand last. Make it a special predicate.
2860 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
2862 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2864 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
2867 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2869 (negate_expr): Likewise.
2871 2005-11-27 Andreas Schwab <schwab@suse.de>
2873 * config/m68k/m68k.c: Reindent and fix whitespace, remove
2876 2005-11-27 Steven Bosscher <stevenb@suse.de>
2878 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2879 has EH predecessor edges.
2881 2005-11-26 Eric Christopher <echristo@apple.com>
2883 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2884 register stalls by zero extending to the full register.
2886 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
2888 * config/floatunsisf.c, config/floatunsidf.c,
2889 config/floatunsixf.c, config/floatunsitf.c: New files.
2890 * config/ia64/t-hpux: Add floatunsitf.c.
2891 * config/ia64/ia64.c (ia64_init_libfuncs): Use
2892 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2894 2005-11-26 Richard Henderson <rth@redhat.com>
2896 * c-lex.c (pragma_lex): Rename from c_lex.
2897 * c-pch.c: Update for pragma_lex rename.
2898 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2899 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2900 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2901 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2902 * doc/tm.texi: Likewise.
2904 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
2907 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2908 when overflow is undefined.
2910 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
2912 * doc/md.texi (Insn Canonicalizations): Refer to the
2913 function commutative_operand_precedence for further rules.
2915 2005-11-25 Roger Sayle <roger@eyesopen.com>
2918 * expmed.c (choose_mult_variant): Return immediately when mult_cost
2919 is less than zero. Limit mult_cost to a reasonable upper bound for
2920 the synthetic multiplication sequence.
2922 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2925 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2926 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2927 Lookup the explicit replacement functions for any unlocked
2928 stdio builtin transformations.
2930 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
2932 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2934 * targhooks.c (default_secondary_reload): Don't require operand 2
2935 for an input reload to be earlyclobber.
2937 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2939 * fold-const.c (negate_mathfn_p): Fix comment and add support
2940 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2943 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2946 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2947 _Q_ulltoq for unsigned conversions from SImode and DImode to
2950 2005-11-25 Alan Modra <amodra@bigpond.net.au>
2952 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2953 (__floatundidf, __floatundisf): Likewise.
2955 2005-11-25 David Edelsohn <edelsohn@gnu.org>
2957 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2958 (rs6000_override_options): Remove initialization of
2959 rs6000_sr_alias_set.
2960 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2961 (rs6000_emit_stack_tie): Same.
2962 (emit_frame_save): Same.
2963 (gen_frame_mem_offset): Same.
2964 (rs6000_emit_prologue): Same.
2965 (rs6000_emit_epilogue): Same.
2967 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2970 * fold-const.c (fold_build): Convert bool_var != 1 and
2971 bool_var == 0 to !bool_var.
2973 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2976 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2977 for C being INTEGER_CST. Likewise for !=.
2979 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2982 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2983 unsigned conversions from SImode to TFmode.
2985 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
2987 * expr.c (expand_expr_real_1): Fix error in last change.
2989 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
2991 * caller-save.c: (this_insn_sets): Move into:
2992 (save_call_clobbered_regs).
2993 (mark_set_regs): Get this_insn_sets from data.
2995 (save_call_clobbered_regs): Take sets of the return value by
2996 sibcalls into account.
2998 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
3001 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
3002 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
3003 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
3004 (memory_move_secondary_cost, init_reg_autoinc): Remove
3005 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
3006 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
3007 secondary_reload_class call.
3008 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
3010 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
3011 (push_secondary_reload): Use secondary_reload target hook.
3012 (secondary_reload_class, scratch_reload_class): New functions.
3013 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
3014 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
3015 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
3016 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
3017 (secondary_reload_class, scratch_reload_class): Declare.
3018 * reload1.c: Include target.h.
3019 (reload_adjust_reg_for_temp): New function.
3020 (reload_adjust_reg_for_icode): Likewise.
3021 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
3022 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
3024 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
3025 for inheritance. Support case when both secondary & tertiary reloads
3026 are for intermediate registers.
3027 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
3028 with secondary_reload_class call. Support case when both secondary
3029 & tertiary reloads are for intermediate registers.
3030 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
3031 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
3032 * target.h (secondary_reload_info): New struct / typedef.
3033 (struct gcc_target): New member secondary_reload.
3034 * targhooks.c Include reload.h, optabs.h and recog.h.
3035 (default_secondary_reload): New function.
3036 * targhooks.h (default_secondary_reload): Declare.
3037 * doc/tm.texi: Document secondary_reload target hook. Update
3038 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
3039 * doc/md.texi: Likewise.
3041 * sh-protos.h (sh_secondary_reload): Declare.
3042 * sh.c (TARGET_SECONDARY_RELOAD): Override.
3043 (sh_secondary_reload): New function.
3044 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
3045 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
3046 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
3047 (HAVE_SECONDARY_RELOADS): Define.
3048 * sh.md (reload_indf): Rename to:
3050 (reload_outdf): Rename to:
3051 (reload_outdf__RnFRm).
3052 (reload_insf): Rename to:
3054 (reload_insi): Rename to:
3055 (reload_insi__i_fpul).
3057 2005-11-24 Uros Bizjak <uros@kss-loka.si>
3059 * configure.ac: Require at least texinfo 4.4.
3060 * configure: Regenerate.
3062 * doc/install.texi (Tools/packages necessary for building GCC):
3063 Update required version of texinfo to at least 4.4.
3064 (Installing GCC: Building): Update required version of texinfo
3066 (Installing GCC: Final installation): Update required version
3067 of texi2dvi to at least 4.4.
3068 (Host/target specific installation notes for GCC): Update required
3069 version of texinfo to at least 4.4.
3071 2005-11-24 Richard Guenther <rguenther@suse.de>
3072 Dirk Mueller <dmueller@suse.de>
3075 * c-common.h (strict_aliasing_warning): Declare.
3076 * c-common.c (strict_aliasing_warning): New function,
3078 * c-typeck.c (build_c_cast): ... here.
3080 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
3082 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3084 (swap_commutative_operands_with_target): New.
3086 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
3088 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
3089 also when doing PRE, rather than only for global CPROP.
3091 2005-11-24 Ben Elliston <bje@au.ibm.com>
3093 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
3094 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
3096 (expand_twoval_unop): Likewise.
3097 (widen_clz): Likewise.
3098 (expand_parity): Likewise.
3099 (expand_unop): Likewise.
3100 (emit_cmp_and_jmp_insn_1): Likewise.
3101 (prepare_float_lib_cmp): Likewise.
3103 2005-11-24 Ben Elliston <bje@au.ibm.com>
3105 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
3106 Remove unused `class' variable.
3108 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
3111 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
3112 C/C++ diagnostic function warn_array_subscript_with_type_char.
3113 * c-common.h (warn_array_subscript_with_type_char): Declare.
3114 * c-common.c (warn_array_subscript_with_type_char): Define.
3116 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
3119 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
3120 compiling at the intersection of C and C++.
3122 2005-11-23 Mark Mitchell <mark@codesourcery.com>
3124 * doc/invoke.texi: For man pages, include gcc-vers.texi.
3125 List @file in the option summary. Include the libiberty
3126 documentation for @file.
3127 * gcc.c (main): Call expandargv.
3128 * Makefile.in (gcc-vers.texi): Define srcdir.
3130 2005-11-23 Diego Novillo <dnovillo@redhat.com>
3132 * passes.c (init_optimization_passes): Document
3133 sequencing of passes.
3135 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
3137 * config/m68k/predicates.md (pcrel_address, extend_operator,
3138 post_inc_operand, pre_dec_operand): Remove redundant
3140 (const_uint32_operand, const_sint32_operand): Use gcc_assert
3142 (valid_dbcc_comparison_p): Rewrite in the lisp style.
3144 2005-11-23 Ben Elliston <bje@au.ibm.com>
3146 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
3148 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
3150 Preparatory work for PR target/21623:
3151 * alpha.c (secondary_reload_class): Rename to:
3152 (alpha_secondary_reload_class).
3153 * alpha.h, alpha-protos.h: Likewise.
3154 * mn10300.c (secondary_reload_class): Rename to:
3155 (mn10300_secondary_reload_class).
3156 * mn10300.h, mn10300-protos.h: Likewise.
3157 * pa.c (secondary_reload_class): Rename to:
3158 (pa_secondary_reload_class).
3159 * pa.h, pa-protos.h: Likewise.
3160 * rs6000.c (secondary_reload_class): Rename to:
3161 rs6000_secondary_reload_class.
3162 * rs6000.h, rs6000-protos.h: Likewise.
3164 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
3167 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
3169 2005-11-22 Ian Lance Taylor <ian@airs.com>
3171 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
3173 (prepare_cmp_insn): Likewise.
3175 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
3178 * m68k.md (zero_extendsidi2): Force operands[1] to a register
3179 if both operands[0] and operands[1] are memory.
3181 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
3184 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
3185 COMPARISON_CLASS_P and an integral types create create a new
3186 expression with the new type and fold that.
3188 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
3191 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
3192 to SUBTARGET_OS_CPP_BUILTINS.
3194 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
3196 * arm.c (emit_set_insn): New function.
3197 (arm_split_constant): Call it.
3198 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
3199 (arm_legitimize_address): Likewise. Use plus_constant.
3200 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
3201 (thumb_expand_prologue): Likewise.
3202 (arm_gen_load_multiple): Use VOIDmode in SET.
3203 (arm_gen_store_multiple): Likewise.
3204 (vfp_emit_fstmx): Likewise. Use plus_constant.
3205 (emit_multi_reg_push): Likewise.
3206 (emit_sfm): Use plus_constant.
3208 2005-11-23 Alan Modra <amodra@bigpond.net.au>
3211 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
3214 2005-11-22 Alan Modra <amodra@bigpond.net.au>
3217 * expmed.c (store_bit_field): Don't attempt to insv a field
3218 larger than the reg.
3220 2005-11-22 Alan Modra <amodra@bigpond.net.au>
3223 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
3224 explicit sign extension, not a (char) cast.
3226 2005-11-22 Ben Elliston <bje@au.ibm.com>
3228 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
3229 GET_MODE_CLASS (x) == MODE_FLOAT.
3230 * config/i386/i386.c: Likewise.
3231 * config/rs6000/xcoff.h: Likewise.
3232 * config/rs6000/linux64.h: Likewise.
3233 * config/rs6000/rs6000.c: Likewise.
3234 * config/rs6000/rs6000.h: Likewise.
3235 * config/rs6000/predicates.md: Likewise.
3236 * config/rs6000/sysv4.h: Likewise.
3238 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3240 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
3243 * config/alpha/freebsd.h, config/alpha/linux.h,
3244 config/arm/linux-elf.h, config/bfin/bfin.h,
3245 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
3246 config/i386/beos-elf.h, config/i386/gnu.h,
3247 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
3248 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
3249 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
3250 config/rs6000/linux64.h, config/rs6000/sysv4.h,
3251 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
3252 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
3253 config/sparc/linux.h, config/sparc/linux64.h,
3254 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
3256 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
3257 are both defined when either flag -fpic or -fPIC are used.
3259 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
3261 * config/fp-bit.c (clzusi): New function.
3262 (si_to_float, usi_to_float): Use it to compute proper shift.
3263 (usi_to_float): Preserve guard bits when shifting right.
3264 * libgcc-std.ver (GCC_4.2.0): New version.
3265 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
3266 __floatundisf): New functions.
3267 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
3268 __floatundisf): Declare.
3269 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
3270 _floatundixf, and _floatunditf.
3271 * optabs.c (expand_float): If target does not define a pattern for
3272 signed or unsigned conversion, use an unsigned libcall instead of
3274 (init_optabs): Initialize ufloat_optab.
3276 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
3278 * config/rs6000/rs6000.opt (mmulhw): New option.
3279 * doc/invoke.texi (-mmulhw): Document.
3280 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
3282 * config/rs6000/rs6000.md: Add half-word multiply and
3283 multiply-accumulate instructions for 405 and 440.
3285 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
3287 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
3288 which matches behavior of gcc 4.0 and older for RTEMS targets. The
3289 default now includes a linker group which makes the RTEMS one nest.
3291 2005-11-22 Ben Elliston <bje@au.ibm.com>
3293 * cse.c (fold_rtx): Typo fix.
3294 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
3296 2005-11-21 Richard Henderson <rth@redhat.com>
3298 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
3299 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
3301 * c-tree.h (lookup_name): Move declaration ...
3302 * c-common.h (lookup_name): ... here.
3303 * config/darwin-c.c: Include c-common.h.
3304 * config/t-darwin: Update dependencies.
3306 2005-11-22 Ben Elliston <bje@au.ibm.com>
3308 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
3309 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
3310 * genopinit.c (gen_insn): Likewise.
3311 * reload.c (find_equiv_reg): Likewise.
3312 * loop.c (load_mems): Likewise.
3313 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
3314 * cse.c (find_comparison_args, fold_rtx): Likewise.
3315 * dwarf2out.c (add_const_value_attribute): Likewise.
3316 * expr.c (convert_move): Likewise.
3317 * recog.c (general_operand, register_operand): Likewise.
3318 * reg-stack.c (replace_reg): Likewise.
3319 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3320 * c-common.c (handle_vector_size_attribute): Likewise.
3321 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
3322 (simplify_binary_operation_1): Likewise.
3323 (simplify_const_binary_operation): Likewise.
3324 (simplify_relational_operation): Likewise.
3325 (simplify_const_relational_operation): Likewise.
3326 (simplify_immed_subreg): Likewise.
3327 * emit-rtl.c (gen_lowpart_common): Likewise.
3328 * expmed.c (expand_mult): Likewise.
3329 * stor-layout.c (layout_type): Likewise.
3331 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
3334 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
3335 cst2 only for SPE vectors.
3337 2005-11-21 David Edelsohn <edelsohn@gnu.org>
3340 * config/rs6000/predicates.md (vrsave_operation): Check
3341 UNSPEC_VOLATILE value.
3343 2005-11-21 Jan Hubicka <jh@suse.cz>
3345 PR tree-optimization/24653
3346 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
3348 2005-11-21 Uros Bizjak <uros@kss-loka.si>
3350 * config/i386/predicates.md (ax_reg_operand): New predicate.
3351 (memory_displacement_only_operand): New predicate.
3352 * config/i386/i386.md ("modrm" attribute): Return 0 if one
3353 operand is AX register and the other operand is memory operand
3354 with displacement only.
3356 2005-11-21 Uros Bizjak <uros@kss-loka.si>
3358 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
3359 if we don't care about NaNs or Infinities.
3361 2005-11-20 Ian Lance Taylor <ian@airs.com>
3363 PR rtl-optimization/24883
3364 * combine.c (combinable_i3pat): When checking whether the
3365 destination of i3 is used in i3, consider paradoxical subregs.
3367 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
3370 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
3372 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
3374 * combine.c (try_combine): Do not run subst on i1src and i2src in
3375 the case of generating a PARALLEL for a comparison.
3377 2005-11-20 Richard Henderson <rth@redhat.com>
3380 * tree-sra.c (struct sra_elt): Add all_no_warning.
3381 (struct sra_walk_fns) <use>: Add use_all argument.
3382 (sra_walk_expr): Pass it.
3383 (sra_walk_modify_expr): Likewise.
3384 (scalarize_ldst): Likewise.
3385 (scan_use): Update for new argument.
3386 (mark_no_warning): New.
3387 (scalarize_use): Use it.
3389 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3391 * expr.c (expand_expr_real): Use usmul_optab for widening
3392 signed * unsigned multiplies.
3393 * genopinit.c (optabs): Add usmul_widen_optab.
3394 * optabs.c (init_optabs): Likewise.
3395 * optabs.h (enum optab_index): Add OTI_usmul_widen.
3396 (usmul_widen_optab): Define.
3397 * config/bfin/bfin.md (usmulhisi3): New pattern.
3399 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3401 2005-11-20 Graham Stott <btinternet.com>
3403 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
3405 2005-11-20 Andreas Schwab <schwab@suse.de>
3408 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3411 2005-11-19 Richard Henderson <rth@redhat.com>
3414 * tree-gimple.c (is_gimple_id): Export.
3415 * tree-gimple.h (is_gimple_id): Declare.
3416 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3417 (get_default_value): Use it.
3418 (maybe_fold_stmt_indirect): Likewise.
3420 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
3422 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3423 than VR1 or vice-versa.
3425 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
3429 * reload.c (find_reloads_address_1): Mention dependency on
3431 * reload1.c (gen_reload): For IN with an unary operation, try
3432 moving inner expression to OUT if trivial SET is not valid.
3433 Confirm that the result is valid. Move common code block into...
3434 (emit_insn_if_valid_for_reload): New function.
3436 2005-11-19 Richard Guenther <rguenther@suse.de>
3438 * fold-const.c (fold_indirect_ref_1): Make sure we fold
3439 ARRAY_REFs of constant strings.
3441 2005-11-19 Jakub Jelinek <jakub@redhat.com>
3443 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3444 fatal format string.
3446 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
3448 * combine.c (make_compound_operation): Swap operands of
3449 commutative operation if necessary before returning.
3451 2005-11-19 Richard Guenther <rguenther@suse.de>
3454 * fold-const.c (fold_plusminus_mult_expr): New function.
3455 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3456 cases, remove now unnecessary code.
3458 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
3460 * gensupport.c (old_preds): Rename to std_preds, add special field.
3461 (struct old_pred_table): Rename to struct std_pred_table, add special
3463 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3464 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3465 (init_predicate_table): Adjust, and set along the way whether a
3466 predicate is special.
3468 2005-11-18 Mark Mitchell <mark@codesourcery.com>
3470 * BASE-VER: Change to 4.2.0.
3472 2005-11-18 James E Wilson <wilson@specifix.com>
3474 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3477 2005-11-18 Mike Stump <mrs@apple.com>
3479 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3480 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3481 * c-decl.c (lookup_name_two) Remove.
3482 * c-tree.h (lookup_name_two): Remove.
3483 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3484 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3485 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3486 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
3488 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
3491 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3492 when not generating code to use that co-processor.
3494 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
3496 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3497 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3498 these functions are now in tree-phinodes.c.
3500 2005-11-18 Jie Zhang <jie.zhang@analog.com>
3502 * config/bfin/bfin.md (trap): New pattern.
3504 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3506 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3509 * expr.c (expand_expr_real): Don't call record_block_change unless
3510 ib_boundaries_block is non-null
3512 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
3514 * fold-const.c (build_range_check): Use proper type for subtraction
3515 when merging lower bound.
3517 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
3519 PR rtl-optimization/24497
3520 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3523 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
3525 * tree-scalar-evolution.c (expression_expensive_p): New function.
3526 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3528 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
3530 * config/bfin/crtlibid.s: New file.
3532 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3535 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3536 when not using sjlj exceptions.
3537 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3538 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3539 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3540 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3541 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3542 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3543 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3544 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3545 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3546 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3547 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3548 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3549 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3551 * config/pa/hpux-unwind.h: New file.
3553 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
3555 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3556 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3557 * varasm.c (do_assemble_alias): Adjust call.
3558 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3560 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3562 2005-11-17 James E Wilson <wilson@specifix.com>
3564 * tree.def (FUNCTION_DECL): Correct typo in comment.
3566 2005-11-17 Richard Henderson <rth@redhat.com>
3568 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3569 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3570 and DW_CFA_def_cfa_sf.
3571 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3572 (dbx_reg_number): Don't assert particular registers here.
3573 (based_loc_descr): ... do it here instead. Fold in ...
3574 (eliminate_reg_to_offset): ... this function.
3575 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3576 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3577 * unwind-dw2.c (execute_cfa_program): Apply data align factor
3578 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3579 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3580 (instantiate_virtual_regs): Likewise.
3581 * var-tracking.c (adjust_stack_reference): Likewise.
3582 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3584 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
3586 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3587 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3588 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3590 ($(T)crtlibid.o): New rule.
3592 2005-11-16 Richard Guenther <rguenther@suse.de>
3595 * fold-const.c (extract_array_ref): Return byte offset
3597 (fold_binary): Fold &x[a] CMP &x[b] to
3598 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3601 2005-11-16 Richard Henderson <rth@redhat.com>
3604 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3605 parts of an SSA_NAME.
3607 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
3610 * arm.md (split for movsf with immediate): Restrict split to insns
3611 that set a general register.
3613 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3615 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
3617 * unwind-dw2.c (uw_advance_context): Likewise.
3618 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
3619 _Unwind_SjLj_Unregister.
3620 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3622 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3624 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3626 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3628 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3629 langhook to get a DImode integer type.
3631 2005-11-16 Richard Henderson <rth@redhat.com>
3632 J"orn Rennecke <joern.rennecke@st.com>
3633 Ulrich Weigand <uweigand@de.ibm.com>
3637 * reload1.c (reg_equiv_invariant): New.
3638 (reload): Allocate, initialize, and free it.
3639 (calculate_needs_all_insns): Check it when skipping equivalence
3641 (alter_reg): Likewise.
3642 (eliminate_regs_1): Rename from eliminate_regs. Add new
3643 may_use_invariant argument; only use reg_equiv_invariant when true.
3644 (eliminate_regs): New.
3645 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3646 a context for which may_use_invariant may be true.
3648 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3650 * fold-const.c (const_binop): Don't constant fold the operation
3651 if the result has overflowed and flag_trapping_math.
3652 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3654 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3656 * config/arm/unwind-arm.c (abort): Add prototype here.
3657 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3658 (struct phase1_vrs): Add prev_sp.
3659 (unwind_phase2_forced): Save the original core registers instead of
3660 modifying entry_vrs. Take a new flag argument for resuming unwinding
3661 and set action flags accordingly. Always set _US_END_OF_STACK when
3662 get_eit_entry fails. Unwind before calling the stop function.
3663 (_Unwind_GetCFA): New function.
3664 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3665 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3666 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3667 just call unwind_phase2_forced.
3668 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3669 * config/arm/unwind-arm.h (abort): Remove prototype.
3670 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3672 (_Unwind_GetCFA): New prototype.
3673 * config/arm/pr-support.c (abort): Add prototype here.
3674 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3676 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3677 not schedule the prologue with non-call exceptions and EABI.
3679 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
3681 * config/arm/unwind-arm.h: Reorder interface function declarations.
3682 (_URC_END_OF_STACK): New enumeration value.
3683 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3684 (struct _Unwind_Control_Block): Document reserved field use.
3685 (_Unwind_Stop_Fn): New typedef.
3686 (_Unwind_ForcedUnwind): Declare.
3687 (_Unwind_Resume_or_Rethrow): Declare.
3688 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3690 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3691 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3692 (UCB_FORCED_STOP_ARG): New.
3693 (search_EIT_table): Update boundary condition checks.
3694 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3695 (unwind_phase2): Replace for with do..while.
3696 (unwind_phase2_forced): New.
3697 (__gnu_Unwind_RaiseException): Replace for with do..while.
3698 (__gnu_Unwind_ForcedUnwind): New.
3699 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3700 Use appropriate phase2 unwinder.
3701 (__gnu_Unwind_Resume_or_Rethrow): New.
3702 (__gnu_unwind_pr_common): Cope with forced unwinding.
3704 2005-11-16 David Edelsohn <edelsohn@gnu.org>
3707 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3709 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3710 roundsf2): Remove "s" from mnemonic.
3712 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
3714 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3716 * config/bfin/crtn.s: Change epilogues to match.
3717 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3718 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3719 __PIC__ and __pic__.
3721 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
3724 * doc/invoke.texi: Distinguish between free and fixed form instead of
3725 Fortran and Fortran 90/95. Remove ratfor from the list of supported
3727 * gcc.c (default_compilers): Remove double entries, add entries for
3728 suffixes '.F90' and '.F95'.
3730 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3732 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3733 in the stack probing loop.
3735 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3737 * configure.ac: Use .machine power5 not power5x.
3738 * configure: Regenerate.
3740 2005-11-15 Mike Stump <mrs@apple.com>
3742 * c-decl.c (lookup_name_two): Add.
3743 * c-tree.h (lookup_name_two): Likewise.
3744 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3745 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3747 2005-11-16 Alan Modra <amodra@bigpond.net.au>
3749 PR rtl-optimization/23392
3750 * regrename.c (enum scan_actions) Add mark_access.
3751 (scan_actions_name): Ditto.
3752 (scan_rtx_reg): Handle mark_access.
3753 (scan_rtx_address): Do nothing for mark_access.
3754 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3755 and regs in REG_INC notes before closing chains for dead regs.
3756 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3757 opening chains for new writes.
3759 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3761 * c.opt (ffixed-line-length-none): New.
3763 2005-11-15 Steve Ellcey <sje@cup.hp.com>
3765 * mklibgcc.in: Change contents of eh_dummy.c.
3767 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3769 * loop.c (scan_loop): Do not insert temporaries for hard registers.
3771 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3773 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3775 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
3777 2005-11-15 Jan Hubicka <jh@suse.cz>
3779 * invoke.texi (large-unit-insns): Document.
3780 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3781 * params.def (large-unit-insns): New param.
3783 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
3786 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3787 special register for operand 3. Reindent constraints to align
3790 2005-11-14 David Edelsohn <edelsohn@gnu.org>
3792 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3793 -mpopcntb, -mfprnd. Add -mcpu=power5+.
3794 * configure.ac: Add test for FP rounding instructions.
3795 * configure: Regenerate.
3796 * config.in: Regenerate.
3797 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3798 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3800 * config/rs6000/rs6000.opt (mfprnd): New.
3801 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3802 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3803 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3804 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3805 (TARGET_FPRND): New.
3806 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3808 (btrunc<mode>2): New.
3810 (floor<mode>2): New.
3811 (round<mode>2): New.
3813 2005-11-14 Geoffrey Keating <geoffk@apple.com>
3815 * gcc.c (version_compare_spec_function): Use fatal() rather than
3818 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3819 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3820 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3822 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3825 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3826 on -mmacosx-version-min setting.
3828 2005-11-14 Diego Novillo <dnovillo@redhat.com>
3831 * tree-vrp.c (infer_value_range): Return false if STMT is a
3832 block terminator and its basic block has no successors.
3834 2005-11-14 Mike Stump <mrs@apple.com>
3836 * config/i386/i386.c (override_options): -masm=intel isn't
3837 supported on darwin.
3838 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3840 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
3842 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3843 vfork after including auto-host.h.
3845 2005-11-15 Alan Modra <amodra@bigpond.net.au>
3847 PR rtl-optimization/22002
3848 * combine.c (distribute_notes): Detect cases where a reg dies
3849 two or more times in a bb, including on the insn we are combining,
3850 and place the death note on the correct range.
3852 2005-11-14 Dale Johannesen <dalej@apple.com>
3854 * expmed.c (store_bit_field): Add offset unconditionally for
3856 (extract_bit_field): Don't force extzv or extv operand into
3857 a register if field is too big.
3859 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3861 * config/arm/arm.c (pic_labelno): New.
3862 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3863 LABEL_REF. Pass only the labelno to PIC insns.
3864 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3865 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3866 * arm.md (UNSPEC_PIC_LABEL): New constant.
3867 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3868 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3869 Use the correct label prefix.
3871 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3873 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3876 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
3878 * loop-invariant.c: Include tm_p.h.
3879 * Makefile.in: Updated.
3881 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3883 * pa.c (store_reg): Revise generation of frame notes in large frames.
3884 (set_reg_plus_d): Likewise.
3886 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
3888 PR tree-optimization/24709
3889 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3892 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
3894 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3895 and duplicate declaration of pthread_self.
3897 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
3898 Ian Lance Taylor <ian@airs.com>
3901 * calls.c (expand_call): If TARGET is a MEM and some part of the
3902 argument area has been saved, force TARGET to a register.
3904 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
3906 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3909 2005-11-13 Jason Merrill <jason@redhat.com>
3912 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3913 lazily declared methods.
3914 (force_decl_die): Stop if forcing out the context already make a
3916 (force_type_die): Likewise.
3918 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
3921 * builtins.c (integer_valued_real_p): Add break in
3922 REAL_CST having TREE_OVERFLOW set.
3924 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
3926 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3927 addressing modes during calculation of costs.
3929 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
3931 * function.c (assign_stack_local_1): Restrict sanity check
3932 on frame size overflow to 32-bit and above platforms.
3934 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3936 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3937 * config/cris/cris.c: Include reload.h.
3938 (cris_initial_elimination_offset): New function.
3939 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3942 2005-11-12 Richard Guenther <rguenther@suse.de>
3944 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3946 2005-11-12 Jan Hubicka <jh@suse.cz>
3948 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3949 to compare against 0 when possible.
3951 2005-11-12 Jie Zhang <jie.zhang@analog.com>
3953 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3954 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3955 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3956 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3959 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3961 * recog.c (constrain_operands) <case 'g'>: For a match, require
3962 that a non-register matches general_operand when strict >= 0.
3964 2005-11-11 Steven Bosscher <stevenb@suse.de>
3966 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3969 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3971 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3972 (memory_address_same): New.
3973 (dse_optimize_stmt): Call memory_address_same.
3975 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3978 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3979 ZERO_EXTEND>: New cases.
3981 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3983 * longlong.h (__clz_tab): Always provide.
3985 2005-11-11 Steven Bosscher <stevenb@suse.de>
3988 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3990 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3991 before check_maybe_invariant.
3992 (move_invariant_reg): Use gen_move_insn instead of replacing
3993 SET_DEST with the temporary for the invariant.
3994 (move_loop_invariants): If checking is enabled, do internal
3995 consistency checks after completing the pass.
3997 2005-11-11 David Edelsohn <edelsohn@gnu.org>
4000 * common.opt (Wvolatile-register-var): New.
4001 * varasm.c (make_decl_rtl): Only emit warning when option
4002 specified. Clarify warning message.
4003 * doc/invoke.texi (Wvolatile-register-var): Document new option.
4005 * doc/md.texi (copysign): Document standard named pattern.
4007 2005-11-11 Jie Zhang <jie.zhang@analog.com>
4009 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
4010 bytes when align is 2.
4011 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
4012 by the first instruction of the loop.
4014 2005-11-11 Jason Merrill <jason@redhat.com>
4017 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
4020 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
4022 PR rtl-optimization/22509
4023 * local-alloc.c (memref_used_between_p): Check whether a function call
4024 could not reference the memref.
4026 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
4028 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
4029 algorithm so as to choose the best, not the worst, alternative.
4030 Reset accumulated register class before processing next alternative.
4032 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
4035 * calls.c (expand_call): Copy a return value to a plain register
4038 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
4041 * varasm.c (assemble_name): Recompute name only for transparent
4044 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
4046 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
4048 2005-11-04 Jeff Law <law@redhat.com>
4051 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
4052 perform reassociation if the parent statement will not die as
4053 a result of the optimization.
4055 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
4057 * tree-ssa-alias.c (compute_may_aliases): Remove call to
4058 delete_old_heap_vars.
4059 * tree-dfa.c (referenced_var_remove): Remove function.
4060 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
4061 (delete_tree_ssa): Remove call to delete_old_heapvars.
4062 Add call to delete_alias_heapvars.
4063 * tree-flow.h (referenced_var_remove): Remove prototype
4064 (init_alias_heapvars): New prototype.
4065 (delete_alias_heapvars): Ditto.
4066 * Makefile.in (tree-ssa-structalias.o): Add
4067 gt-tree-ssa-structalias.o
4068 (GTFILES): Add tree-ssa-structalias.h and
4069 tree-ssa-structalias.c.
4070 (s-gtype): Add gt-tree-ssa-structalias.h.
4071 * tree-ssa-structalias.c (heapvars): Remove.
4072 (oldheapvars): Remove.
4073 (heapvar_for_stmt): New variable.
4074 (heapvar_lookup): New function.
4075 (heapvar_insert): Ditto.
4076 (get_constraint_for): See if we have an old heapvar
4078 (init_alias_heapvars): New function.
4079 (delete_alias_heapvars): Ditto.
4080 Add include of gt-tree-ssa-structalias.h.
4082 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4085 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
4087 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
4089 * tree.c (int_fits_type_p): Only look at the base type
4090 if it has the same precision as the original type.
4092 2005-11-10 Jakub Jelinek <jakub@redhat.com>
4095 * varasm.c (assemble_alias): Use %q+D in the error
4096 message instead of %J and %qD.
4098 2005-11-10 Richard Guenther <rguenther@suse.de>
4100 * gcse.c (free_ldst_entry): Only free hashtable if
4103 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4105 * function.c (assign_stack_local_1): Issue an error message if
4106 the frame size overflows in the signed target arithmetics.
4108 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4110 * tree.c (build_qualified_type): Chain the new type to the original
4111 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4112 a POINTER_TYPE or a REFERENCE_TYPE respectively.
4113 (build_pointer_type_for_mode): Only return unqualified types.
4114 (build_reference_type_for_mode): Likewise.
4116 2005-11-09 Jakub Jelinek <jakub@redhat.com>
4118 * Makefile.in (gnucompare): Do comparison of all files using one of
4119 the chosen methods and only afterwards decide if just warning should
4120 be issued or comparison failure raised.
4122 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4124 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
4125 (noce_try_abs): Negate if the comparison is reversed.
4126 Look only one instruction backwards for a REG_EQUAL note.
4128 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
4131 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
4132 gthr-tpf.h: Define __gthrw. For all identifiers that might
4133 be weak, introduce weakrefs or non-weak aliases with __gthrw,
4134 and prefix all uses with __ghtrw.
4136 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
4139 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
4140 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
4141 * c-common.c (handle_weakref_attribute): New.
4142 (c_common_attribute_table): Add weakref.
4143 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
4145 * configure, config.in: Rebuilt.
4146 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
4147 * doc/extend.texi: Document weakref attribute.
4148 * varasm.c (ultimate_transparent_alias_target): New
4149 (assemble_name): Use it.
4150 (weak_finish_1): Split out of...
4151 (weak_finish): ... and deal with weakrefs in...
4152 (weakref_targets): ... new list.
4153 (globalize_decl): Clean up weakref_targets.
4154 (do_assemble_alias): Handle weakrefs.
4155 (finish_aliases_1): Do not reject weakrefs to external symbols.
4156 (assemble_alias): Handle weakrefs.
4158 2005-11-09 Richard Guenther <rguenther@suse.de>
4160 PR tree-optimization/24716
4161 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
4162 t_bool to track results from follow_ssa_edge.
4164 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4166 * final.c (force_source_line): New global variable.
4167 (final_scan_insn): Set it to true instead of clearing last_filename.
4168 (notice_source_line): Return true if force_source_line is true,
4169 unless source info is absent.
4171 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
4174 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
4175 a linkage name for a variable if it a register variable.
4176 * c-decl.c (grokdeclarator): Global register variables
4177 should be set as PUBLIC.
4179 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4182 * config/s390/s390.c (struct s390_frame_layout): New fields
4183 first_save_gpr_slot and last_save_gpr_slot.
4184 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
4185 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
4186 first_save_gpr and last_save_gpr with the _slot variants.
4187 (s390_register_info): Calculate first_save_gpr_slot and
4188 last_save_gpr_slot using regs_ever_live.
4190 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4193 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
4194 for a function containing a landing pad.
4196 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4199 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
4202 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
4204 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
4205 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
4207 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
4210 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
4212 (call,load,store): New insn types.
4213 (mem_access, branch_access): Adjust reservation conditions.
4214 (define_delay): Adjust condition.
4215 (decrement_and_branch_until_zero): Allow for ms2. Set branch
4217 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
4218 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
4220 (call_internal, call_value_internal, return_internal,
4221 return_interrupt_internal, eh_return_internal, indirect_jump,
4222 tablejump): Set call insn type.
4223 (blockage, ei, di): Use appropriate unspec const.
4224 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
4225 (ms1_get_attr_type): Adjust to give load & store types.
4226 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
4227 backwards past a barrier.
4228 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
4230 (struct branch_info, struct label_info): New.
4232 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
4233 (ms1_machine_reorg): New.
4234 (TARGET_MACHINE_DEPENDENT_REORG): Override.
4235 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
4236 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
4237 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
4240 2005-11-09 Per Bothner <per@bothner.com>
4241 Uros Bizjak <uros@kss-loka.si>
4244 * toplev.c (process_options): Initialize debug_hooks early
4245 in case lang_hooks.post_options ends up calling a debug_hook.
4247 2005-11-08 Jakub Jelinek <jakub@redhat.com>
4249 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
4250 DBX_REGISTER_NUMBER being contiguous.
4252 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
4253 Diego Novillo <dnovillo@redhat.com>
4256 * tree-vrp.c (register_edge_assert_for): Do not register
4257 always-false predicates.
4259 2005-11-08 Devang Patel <dpatel@apple.com>
4261 PR tree-optimization/23115
4262 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
4265 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
4267 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
4270 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
4272 Fix PR tree-optimization/23382
4274 * tree-ssa-alias.c (compute_may_aliases): Call
4275 delete_old_heap_vars.
4276 * tree-dfa.c (referenced_var_remove): New function.
4277 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
4278 * tree-flow.h (referenced_var_remove): Add prototype.
4279 (delete_old_heap_vars): Ditto.
4280 * tree-ssa-structalias.c (heapvars): New variable.
4281 (oldheapvars): Ditto.
4282 (get_constraint_for): Put heap vars on heapvars list.
4283 (delete_old_heap_vars): New function.
4285 2005-11-08 Jason Merrill <jason@redhat.com>
4287 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
4289 2005-11-08 Uros Bizjak <uros@kss-loka.si>
4292 * reg-stack.c (reg_to_stack): Update register liveness also
4293 for flag_sched2_use_traces.
4295 2005-11-08 Alan Modra <amodra@bigpond.net.au>
4298 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
4299 override prior explicit -mno-powerpc-gfxopt.
4301 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
4303 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
4304 if the bitsize is zero.
4305 * doc/md.texi (Standard Pattern Names): Document it.
4307 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
4308 (TARGET_PASS_BY_REFERENCE): Likewise.
4310 2005-11-07 Ian Lance Taylor <ian@airs.com>
4312 PR rtl-optimization/24683
4313 * config/i386/i386.c (legitimize_pic_address): If constant operand
4314 to PLUS is too large, put it in a register.
4316 2005-11-07 Jie Zhang <jie.zhang@analog.com>
4318 * configure.ac: Enable checking assembler dwarf2 support for bfin
4320 * configure: Regenerate.
4322 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
4326 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
4327 gen_easy_vector_constant_add_self): Delete.
4328 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
4330 (output_vec_const_move): Use gen_easy_altivec_constant.
4331 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
4332 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
4333 (easy_vector_constant_add_self): Rewritten.
4334 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
4335 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
4336 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
4337 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
4338 Macroize and adjust for the other changes.
4340 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
4344 * c-typeck.c (build_c_cast): Try using a shared constant, and see
4345 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
4347 2005-11-07 Jakub Jelinek <jakub@redhat.com>
4349 PR rtl-optimization/23567
4350 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
4351 (noce_process_if_block): Don't do any optimizations except
4352 if (cond) x = x; if !set_b and write into orig_x may trap
4353 or fault. Remove the MEM_READONLY_P check.
4355 2005-11-06 Diego Novillo <dnovillo@redhat.com>
4358 * tree-vrp.c (fix_equivalence_set): New.
4359 (extract_range_from_assert): Call it.
4361 2005-11-05 Ian Lance Taylor <ian@airs.com>
4364 * combine.c (apply_distributive_law): Don't distribute across a
4367 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
4369 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
4370 config/ms1/ms1.h, config/rs6000/predicates.md,
4371 config/s390/s390.c, params.def, postreload-gcse.c,
4372 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
4373 tree-vrp.c, tree.c: Fix comment typos.
4374 * doc/invoke.texi: Fix typos.
4376 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
4378 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
4379 for testing whether the data_dependence_relation contains distance
4380 vectors. Iterate over all distance vectors of the ddr.
4381 * lambda.h: Define a vec of lambda_vector pointers.
4382 * tree-data-ref.c (dump_data_dependence_relation,
4383 dump_data_dependence_direction): Iterate over all distance and
4384 direction vectors of the ddr.
4385 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
4387 (build_classic_dist_vector, build_classic_dir_vector): Push a set
4388 of distance/direction vectors instead of a single one.
4389 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
4390 lambda_vectors with a vec of lambda_vectors.
4391 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
4392 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
4393 DDR_NUM_DIST_VECTS): New.
4394 * tree-loop-linear.c (gather_interchange_stats): Test for the
4395 existence of distance vectors only after having checked that there
4396 is a dependence. Iterate over all distance vectors of the ddr.
4397 (linear_transform_loops): Use dump_data_dependence_relation.
4398 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
4399 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
4400 distance vectors of the ddr.
4402 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
4404 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
4405 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
4406 IS_INTHANDLER; all callers changed.
4407 (n_regs_saved_by_prologue): Take interrupt handler attributes into
4409 (do_link, do_unlink): New argument ALL; all callers changed.
4410 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
4411 If function isn't leaf, save and restore all registers.
4412 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
4415 2005-11-05 Jan Hubicka <jh@suse.cz>
4417 PR rtl-optimization/23490
4418 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
4419 max-flow-memory-location): Document.
4420 * flow.c: Include params.h
4421 (MAX_MEM_SET_LIST_LEN): Kill.
4422 (add_to_mem_set_list): Use new param.
4423 * cse.c (cse_basic_block): Replace 1000 by new param.
4424 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
4425 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
4426 * predict.c (predict_loops): Use new param.
4427 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
4429 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
4430 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4431 Do not hold memory returned by cgraph_node_name across other call.
4433 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
4436 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
4439 2005-11-04 Jeff Law <law@redhat.com>
4442 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
4443 * tree-ssa-dom.c: Include params.h.
4444 (thread_across_edge): If there are too many statements in the
4445 target block, then do not thread through it.
4446 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
4447 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
4449 2005-11-03 Diego Novillo <dnovillo@redhat.com>
4452 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
4453 TODO_update_ssa instead of TODO_update_ssa_no_phi.
4455 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
4458 * tree-scalar-evolution.c (instantiate_parameters_1,
4459 instantiate_parameters, resolve_mixers): Compute the size of an
4460 expression to be instantiated and give up the instantiation if the
4461 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4463 2005-11-04 Richard Guenther <rguenther@suse.de>
4465 * tree-flow.h (ref_contains_indirect_ref): Rename to
4466 array_ref_contains_indirect_ref.
4467 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
4468 (array_ref_contains_indirect_ref): Make comment match the code
4470 (ref_contains_array_ref): Likewise.
4471 * tree-ssa-structalias.c (find_func_aliases): Remove call to
4472 ref_contains_indirect_ref.
4473 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4474 Rename calls to ref_contains_indirect_ref.
4476 2005-11-04 Paul Brook <paul@codesourcery.com>
4478 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
4479 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
4480 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4481 * config/arm/arm.md: Use match_operand in peephole input templates
4482 and match_dup in peephole output templates.
4484 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4486 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
4489 2005-11-04 Mark Mitchell <mark@codesourcery.com>
4490 Daniel Jacobowitz <dan@codesourcery.com>
4492 * longlong.h (add_ssaaaa): Clobber condition code register
4494 (sub_ddmmss): Likewise.
4495 (umul_ppmm): Likewise.
4497 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4498 Paul Brook <paul@codesourcery.com>
4499 Phil Blundell <pb@reciva.com>
4501 * configure.ac: Add test for ARM TLS support.
4502 * configure: Regenerated.
4503 * config/arm/arm-protos.h (legitimize_tls_address)
4504 (arm_tls_referenced_p, tls_mentioned_p)
4505 (arm_output_addr_const_extra): New prototypes.
4506 (thumb_legitimize_pic_address): Delete.
4507 * config/arm/arm.c: Include "gt-arm.h".
4508 (enum tls_reloc): New.
4509 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
4510 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
4511 (arm_call_tls_get_addr, legitimize_tls_address)
4512 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
4513 (arm_init_tls_builtins, arm_emit_tls_decoration)
4514 (arm_output_addr_const_extra): New functions.
4515 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
4516 (TARGET_HAVE_TLS): Define.
4517 (target_thread_pointer): New.
4518 (arm_override_options): Handle -mtp=.
4519 (legitimize_pic_address): Ignore UNSPECs.
4520 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4522 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4523 (tls_get_addr_libfunc): New variable.
4524 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4525 (arm_init_builtins): Call arm_init_tls_builtins.
4526 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4527 (arm_encode_section_info): Call default_encode_section_info.
4528 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4529 (enum arm_tp_type): New.
4530 (target_thread_pointer): Add declaration.
4531 (LEGITIMATE_CONSTANT_P): Handle TLS.
4532 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4533 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4534 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4535 * config/arm/arm.md: Add UNSPEC_TLS.
4536 (movsi): Handle TLS.
4537 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4539 (tls_load_dot_plus_eight): New insn and a peephole to create it.
4540 (load_tp_hard, load_tp_soft): New insns.
4541 * arm.opt: Add -mtp=.
4542 * doc/invoke.texi (ARM Options): Document -mtp.
4544 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4546 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4547 * config/arm/libunwind.S: Include "lib1funcs.asm".
4548 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4549 (LIB2ADDEH): Add libunwind.S.
4550 (LIB2ADDEHDEP): Add lib1funcs.asm.
4551 * mklibgcc.in: Handle asm files in libgcc_eh.a.
4553 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4556 * gcc/c.opt: Add a -lang-fortran option.
4557 * gcc/c-opts.c: Add a lang_fortran flag.
4558 (c_common_init_options): Handling the -lang-fortran option.
4559 (c_common_handle_option): Add a case for Fortran options in
4560 preprocessing. Remove cases for -ffixed-form and
4561 -ffixed-line-length. Add a case for -lang-fortran.
4563 2005-11-03 David Edelsohn <edelsohn@gnu.org>
4565 * config/rs6000/rs6000.c: Include params.h
4566 (optimization_options): Set max-grow-copy-bb-insns default to 16.
4567 (bdesc_2arg): Delete vpkuhss and vpkuwss.
4568 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4569 (UNSPEC_VPKUWSS): Delete.
4570 (altivec_vpkuhss): Delete.
4571 (altivec_vpkuwss): Delete.
4572 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4574 (neg_eq0<mode>): Remove final condition.
4575 (neg_eq<mode>): Remove condition and split-condition.
4577 2005-11-04 Alan Modra <amodra@bigpond.net.au>
4579 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4580 Use associated print macros.
4582 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4585 * diagnostic.c (diagnostic_set_info_translated): New function.
4586 (diagnostic_set_info): Use it. Add comment.
4587 * diagnostic.h (diagnostic_set_info_translated): Declare.
4589 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
4591 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4592 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4593 reference only if 'public' is true.
4594 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4595 emit the .hidden directive only if the indirect reference is public.
4596 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4597 Pass it to dw2_force_const_mem.
4598 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4599 * dwarf2out.c (output_cfi): Adjust calls to above function.
4600 (output_call_frame_info): Likewise.
4601 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4602 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4604 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
4606 PR tree-optimization/24483
4607 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4608 field to elts if possible.
4610 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4613 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4616 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
4618 Fix PR tree-optimization/24351
4620 * tree-ssa-structalias.c (struct variable_info): Add
4622 (get_varinfo_fc): New function to follow collapsing.
4623 (new_var_info): Set collapsed_to to NULL.
4624 (dump_constraint): Follow collapsing.
4625 (build_constraint_graph): Handle collapsing.
4626 (do_simple_structure_copy): Return false if something bad
4628 (collapse_rest_of_var): New function.
4629 (do_structure_copy): Collapse if do_simple_structure_copy returns
4632 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4635 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4636 expressions to a statement list instead of gimplifying them.
4638 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4640 PR rtl-optimization/23585
4641 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4642 that can't trap plus a constant integer, if the mode has zero size.
4644 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
4647 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4649 ("*insv<mode>_reg_extimm"): Likewise.
4651 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4654 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4655 c_common_type_for_mode returns an unnamed type.
4657 2005-11-02 Richard Henderson <rth@redhat.com>
4661 * dwarf2out.c (dwarf2out_reg_save_reg): New.
4662 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4663 * function.c (assign_parms): Use calls.internal_arg_pointer.
4664 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4666 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4667 (TARGET_CALLS): Add it.
4668 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4669 * targhooks.c (default_internal_arg_pointer): New.
4670 * targhooks.h (default_internal_arg_pointer): Declare.
4671 * tree.h (dwarf2out_reg_save_reg): Declare.
4672 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4673 * config/i386/i386.c (dbx_register_map): Add return column.
4674 (dbx64_register_map, svr4_dbx_register_map): Likewise.
4675 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4676 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4677 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4678 (ix86_save_reg): Save force_align_arg_pointer.
4679 (ix86_emit_save_regs): Make regno unsigned.
4680 (ix86_emit_save_regs_using_mov): Likewise.
4681 (ix86_expand_prologue): Handle force_align_arg_pointer.
4682 (ix86_expand_epilogue): Likewise.
4683 * config/i386/i386.h: (dbx_register_map): Update.
4684 (dbx64_register_map, svr4_dbx_register_map): Update.
4685 (struct machine_function): Add force_align_arg_pointer.
4686 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4687 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4688 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4690 2005-11-02 Jan Hubicka <jh@suse.cz>
4693 * i386.md: Add peep2 for simplyfing array accesses.
4695 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4698 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4699 * config/s390/s390.c (s390_decompose_shift_count): New function.
4700 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4701 (print_shift_count_operand): Use s390_decompose_shift_count.
4702 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4703 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
4705 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4708 * loop.c (loop_givs_rescan): Use force_operand to expand
4711 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
4714 * fold-const.c (build_range_check): Use unsigned when signed
4715 overflow is undefined also. If etype is subtype, make sure that
4716 the subtraction is in the supertype.
4718 2005-11-02 Richard Henderson <rth@redhat.com>
4721 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4724 2005-11-01 Richard Henderson <rth@redhat.com>
4727 * loop.c (scan_loop): Do not propagate computations to a hard
4728 register destination with SMALL_REGISTER_CLASSES.
4730 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
4732 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4733 costs for MULT inside PLUS or MINUS.
4735 2005-11-01 Bob Wilson <bob.wilson@acm.org>
4737 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4738 (TRAMPOLINE_SIZE): Round up to 60.
4739 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4741 2005-10-31 James E. Wilson <wilson@specifix.com>
4744 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4745 ifdef. Put ifdefs around call in gen_subprogram_die.
4746 (compute_frame_pointer_to_cfa_displacement): Likewise.
4747 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4750 PR rtl-optimization/17356
4751 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
4752 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4754 2005-10-31 Jan Hubicka <jh@suse.cz>
4757 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4760 * i386.c (legitimize_pic_address): Deal with large immediates.
4763 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4764 from symbol names while computing checkup.
4767 * predict.c (predict_loops): Do not estimate more than
4768 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4769 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4771 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
4773 PR tree-optimization/19097
4774 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4776 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
4778 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4780 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
4783 * tree-inline.c (setup_one_parameter): If the init_stmt
4784 is NULL, don't insert the statement.
4786 2005-10-30 Jan Hubicka <jh@suse.cz>
4788 PR tree-optimization/24172
4789 * tree-inline.c (copy_body_r): Unshare the substituted value first.
4791 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
4793 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4794 constants for hosts with long != 32 bits.
4796 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
4799 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4801 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
4803 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4804 (TARGET_MS1_16_002): New.
4805 (TARGET_MS1_16_003): New.
4807 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4808 ("*decrement_and_branch_until_zero_no_clobber"): New.
4809 Add corresponding splitter for decrement_and_branch_until_zero
4811 Key all decrement_and_branch_until_zero patterns off of
4814 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
4817 * tree-complex.c (extract_component): Treat RESULT_DECL
4818 like the rest of the decls.
4820 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
4822 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4823 indirect call to _mcount if the function needs a static chain.
4825 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
4826 Caroline Tice <ctice@apple.com>
4828 PR rtl-optimization/24460
4829 * dwarf2out.c (have_switched_text_sections): New boolean variable.
4830 (dwarf2out_switch_text_section): Set it to true instead of
4831 incrementing separate_line_info_table_in_use.
4832 (output_loc_list): Additionally test have_switched_text_sections.
4833 (output_ranges): Likewise.
4834 (dwarf2out_finish): Likewise.
4835 * varasm.c (assemble_start_function): Do not call
4836 insert_section_boundary_note.
4837 (assemble_end_function): If flag_reorder_blocks_and_partition,
4838 switch to the function's section before emitting the .size directive.
4839 * bb-reorder.c (insert_section_boundary_note): Staticify.
4840 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4841 * output.h (insert_section_boundary_note): Delete.
4843 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
4846 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4847 instead of pointer equality when comparing types.
4849 2005-10-24 James E. Wilson <wilson@specifix.com>
4851 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4852 add_dependence_list_and_free calls.
4854 2005-10-24 Steven Bosscher <stevenb@suse.de>
4856 * contrib.texi: Add the names of the LLNL folks who donated
4857 Cray pointer support for gfortran.
4859 2005-10-24 Steven Bosscher <stevenb@suse.de>
4861 PR tree-optimization/24225
4862 * profile.c (branch_prob): Look from end to start through a
4863 basic block when looking for a locus.
4865 2005-10-24 Richard Henderson <rth@redhat.com>
4867 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4869 (hppa_expand_prologue): Likewise.
4871 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4873 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4874 (NO_DEFERRED_PROFILE_COUNTERS): Define.
4875 * pa.h (NO_PROFILE_COUNTERS): Define.
4876 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4877 (funcdef_nos): New vector to hold label numbers of deferred profile
4879 (output_deferred_profile_counters): New function.
4880 (hppa_profile_hook): Push label number onto funcdef_nos.
4881 (pa_hpux_file_end): Call output_deferred_profile_counters if
4882 NO_DEFERRED_PROFILE_COUNTERS is false.
4884 * pa-protos.h (get_deferred_plabel): New prototype.
4885 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
4887 (output_call): Adjust calls.
4889 2005-10-24 Alan Modra <amodra@bigpond.net.au>
4891 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4892 peculiarity of GOT/TOC section usage.
4894 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
4897 * c-common.c (constant_string_class_name): Add documentation.
4899 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
4902 * recog.c (peephole2_optimize): Increment peep2_current_count
4903 only when the slot is empty.
4905 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4908 * except.c (output_function_exception_table): Call
4909 assemble_external_libcall if we need a personality function.
4911 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4913 PR rtl-optimization/24460
4914 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4915 set the basic block for barriers.
4917 2005-10-21 Janis Johnson <janis187@us.ibm.com>
4919 * var-tracking.c (vt_initialize): Initialize post.
4921 2005-10-21 Devang Patel <dpatel@apple.com>
4924 * c-common.c (vector_types_convertible_p): Check vector element type.
4926 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
4928 * config/sh/sh.c (prepare_move_operands): Handle the address
4929 constant which is a tls symbolic address plus a constant.
4931 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
4934 * gcc.c (main): Use the correct counter for erroring out
4935 about mulitple files.
4937 2005-10-21 Alan Modra <amodra@bigpond.net.au>
4940 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4941 use r2 for 64-bit tls .got access.
4943 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
4945 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4948 2005-10-20 Steven Bosscher <stevenb@suse.de>
4950 PR tree-optimization/24307
4951 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4953 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
4956 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4958 * varasm.c (find_decl_and_mark_needed): After cgraph global info
4959 is ready, stop marking functions, but still mark variables.
4961 2005-10-20 Richard Guenther <rguenther@suse.de>
4964 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4967 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
4969 PR rtl-optimization/23585
4970 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4971 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
4972 (may_trap_p_1): New predicate extracted from...
4973 (may_trap_p): ... here. Invoke may_trap_p_1.
4974 (may_trap_or_fault_p): New predicate.
4975 * rtl.h (may_trap_or_fault_p): Declare it.
4976 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4977 instead of may_trap_p.
4978 (steal_delay_list_from_fallthrough): Likewise.
4979 (fill_simple_delay_slots): Likewise.
4980 (fill_slots_from_thread): Likewise.
4981 * function.c (pad_to_arg_alignment): Rework comment about
4982 SPARC_STACK_BOUNDARY_HACK.
4983 * config/sparc/sparc.h: Likewise.
4985 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
4987 * config/s390/s390.c (s390_expand_insv): New.
4988 * config/s390/s390-protos.h (s390_expand_insv): Declare.
4989 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4990 ("icm_hi"): Remove mode attribute.
4991 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4993 ("*extracthi", "*extractqi"): Remove.
4994 (extv<mode>", "*extzv<mode>"): New.
4995 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4996 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4998 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5000 * cfgexpand.c (discover_nonconstant_array_refs_r,
5001 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
5002 (tree_expand_cfg): Call discover_nonconstant_array_refs.
5003 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
5004 discover_nonconstant_array_refs.
5006 2005-10-19 Steven Bosscher <stevenb@suse.de>
5009 * c-decl.c (pop_scope): Don't warn about an unused variable
5010 if it is marked with TREE_NO_WARNING.
5011 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
5012 somenow mismatch and olddecl is to be replaced.
5014 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
5017 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
5018 whether registers live on the edge can be saved/restored.
5020 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
5022 * config/sh/sh.c (fixup_mova): Skip notes.
5024 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5026 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
5027 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
5028 (s390_can_eliminate): Handle BASE_REGNUM elimination.
5029 (s390_initial_elimination_offset): Likewise.
5030 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
5031 register on TARGET_ZARCH targets.
5032 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
5033 (INITIAL_FRAME_POINTER_OFFSET): Remove.
5034 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
5035 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
5037 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
5039 * config/s390/s390.md: Comment describing output modifiers updated.
5040 * config/s390/s390.c (print_operand): Likewise.
5042 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
5044 * config/s390/s390.c (override_options): Added check for -mstack-size
5046 * doc/invoke.texi: Mention that limit in the documenation.
5048 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
5051 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
5053 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
5055 Fix PR tree-optimization/24231
5057 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
5058 (compute_avail): Ditto.
5060 2005-10-18 Richard Henderson <rth@redhat.com>
5063 * config/i386/i386.c (legitimate_constant_p): Check
5064 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
5066 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
5067 (legitimate_pic_address_disp_p): Reorg CONST checking to make
5068 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
5070 (print_operand_address): Likewise.
5071 * config/i386/predicates.md (x86_64_immediate_operand): Test
5072 SYMBOL_REF_TLS_MODEL properly inside CONST.
5073 (x86_64_zext_immediate_operand): Likewise.
5074 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
5075 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
5076 * config/i386/i386-protos.h: Remove predicates.md entries.
5078 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
5080 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
5081 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
5083 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
5084 Ian Lance Taylor <ian@airs.com>
5087 * fold-const.c (fold_widened_comparison): Do not allow range based
5088 constant folding when right operand cannot be unwidened.
5090 2005-10-17 Richard Henderson <rth@redhat.com>
5092 * builtins.c (expand_builtin_synchronize): Build a new-style asm
5093 with a memory clobber.
5095 2005-10-17 James E Wilson <wilson@specifix.com>
5097 PR rtl-optimization/17356
5098 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
5099 checking for EDGE_EH.
5101 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
5103 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
5104 the slot on an even boundary for any type with 16-byte alignment.
5106 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
5109 * md.texi (Modifiers) <%>: Clarify that % doesn't work
5110 after register allocation.
5112 2005-10-17 DJ Delorie <dj@redhat.com>
5114 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
5117 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
5120 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
5123 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
5125 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
5126 to 2 if it's already non-zero.
5127 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
5128 is set and warn about it if flag_schedule_insns is 1.
5130 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
5132 * config/crx/crx.md: Compare-and-branch instructions need to
5135 2005-10-17 Uros Bizjak <uros@kss-loka.si>
5138 * config/i386/i386.md (*pushdi2_rex64 splitter)
5139 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
5140 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
5141 flow2 pass only when (optimize > 0 && flag_peephole2).
5143 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
5146 * gcc.c (have_c): New static variable.
5148 (process_command): Remove declation of have_c.
5149 Set have_o to 1 when handling -o.
5150 (main): Add a fatel error if there are multiple
5151 files specified and -o and -c/-S is passed witout
5152 -combine or multiple languages.
5154 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
5156 Fix PR tree-optimization/22444
5157 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
5158 Assert that we don't hit something with subvars.
5159 (setup_pointers_and_addressables): Don't add things with subvars,
5160 because we'll already process the subvars for aliasing purposes.
5162 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
5165 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
5166 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
5167 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
5168 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
5169 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
5170 swapped, alternatives for the R constraint.
5173 * builtins.c (get_builtin_sync_mode): Make unlimited
5174 mode_for_size request.
5176 2005-10-15 Richard Henderson <rth@redhat.com>
5178 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
5179 (gimplify_expr): ... here.
5180 (gimplify_compound_lval): Use it in initial scan loop. Allow
5181 fb_lvalue in base expression.
5183 2005-10-15 Richard Henderson <rth@redhat.com>
5186 * builtins.c (expand_builtin_trap): Export.
5187 * expr.h (expand_builtin_trap): Declare.
5188 * expr.c (expand_assignment): Emit a trap for integral offsets
5189 from registers that weren't reduced to bitpos.
5191 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
5192 (mark_array_ref_addressable): Remove.
5193 * tree-flow.h (mark_array_ref_addressable): Remove.
5194 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
5196 2005-10-15 James E Wilson <wilson@specifix.com>
5199 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
5200 (add_dependence_list_and_free): Likewise.
5201 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
5204 2005-10-15 Diego Novillo <dnovillo@redhat.com>
5208 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
5209 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
5211 (vrp_visit_phi_node): Only prevent infinite iterations when
5212 the previous result and the new result are both VR_RANGEs.
5214 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
5216 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
5219 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5222 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
5225 2005-10-14 Per Bothner <per@bothner.com>
5227 PR preprocessor/21250
5228 * c-ppoutput.c (print_line): Print internal line 0 as 1.
5230 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
5233 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
5234 overflow flags. Refactor some conditionals.
5236 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
5239 * tree-dfa.c (add_referenced_var): Only look at decls which
5240 have TREE_CONSTANT or TREE_READONLY set instead of if
5241 !TREE_PUBLIC or !TREE_CONSTANT.
5243 2005-10-13 James E Wilson <wilson@specifix.com>
5245 * doc/invoke.texi: For -x, add f95-cpp-input.
5246 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
5248 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
5250 PR tree-optimization/24262
5251 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
5252 in loop all the time.
5254 2005-10-12 Richard Henderson <rth@redhat.com>
5257 * tree.h (DECL_TRANSPARENT_UNION): Remove.
5258 * function.c (assign_parm_find_data_types): Don't support it.
5259 * print-tree.c (print_node): Likewise.
5260 * c-common.c (handle_transparent_union_attribute): Likewise.
5261 Use build_duplicate_type.
5262 * tree-inline.c (remap_type_1): Split out of remap_type;
5263 properly remap aggregate fields.
5264 (build_duplicate_type): New.
5265 * doc/extend.texi (Variable Attributes): Remove documentation
5266 for transparent_union.
5268 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5271 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
5272 (gen_stack_pointer_dec): Likewise.
5274 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
5278 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
5280 (struct cxx): Add adjust_class_at_definition target hook.
5281 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
5282 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
5283 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
5284 hook_void_tree. Add to TARGET_CXX.
5285 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
5287 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
5288 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
5289 instead of attribute. Check for dllexport override. Warn if
5290 inconsistent dll linkage. Don't lose old dllimport if decl has
5291 had address referenced. Tweak lookup of dllimport atribute.
5292 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
5293 for target specific rules. Don't add dllimport attribute if
5294 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
5295 dllimport attribute.
5296 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
5297 * varasm.c (initializer_constant_valid_p): Replace
5298 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
5302 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
5303 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
5304 (i[34567]86-*-mingw32*): Likewise.
5306 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
5307 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
5309 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
5310 C++-specific code. Change return value to bool.
5311 (i386_pe_dllimport_p): Likewise.
5312 (associated_type): Simplify and make language-independent
5313 (i386_pe_encode_section_info): Replace override of ambiguous
5314 dllimport symbol refs with a gcc_assert.
5315 (i386_pe_valid_dllimport_attribute_p): Define.
5316 * config/i386/winnt-cxx.c: New file. Define C++ versions of
5317 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5318 i386_pe_adjust_class_at_definition.
5319 * config/i386/winnt-stubs.c: New file. Define stub versions of
5320 lang-specific functions.
5321 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
5322 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5323 i386_pe_adjust_class_at_definition.
5324 (i386_pe_valid_dllimport_attribute_p): Declare.
5325 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
5326 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
5327 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
5330 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
5331 dllimport attribute with test of DECL_DLLIMPORT_P.
5333 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
5335 * combine.c (make_extraction): Correct offset computation.
5337 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
5339 * config/cris/t-linux (LIMITS_H_TEST): Define.
5341 2005-10-12 Richard Henderson <rth@redhat.com>
5344 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
5346 2005-10-12 Richard Guenther <rguenther@suse.de>
5348 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
5350 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
5353 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
5354 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
5357 2005-10-12 Richard Guenther <rguenther@suse.de>
5360 * varasm.c (output_constant): Correct typo from previous
5363 2005-10-11 Ian Lance Taylor <ian@airs.com>
5365 PR rtl-optimization/13931
5366 * combine.c: Revert patch of 2003-05-14, and:
5367 (try_combine): Only set elim_i1 and elim_i2 if the destination is
5368 completely killed in the appropriate insn.
5369 (distribute_notes): Don't skip multiple hard register test for
5370 elim_i1 and elim_i2.
5372 2005-10-11 Richard Henderson <rth@redhat.com>
5375 * c-typeck.c (convert_for_assignment): Use build_constructor_single
5376 to initialize a transparent union instead of a nop_expr.
5378 2005-10-11 Richard Henderson <rth@redhat.com>
5380 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
5381 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
5382 (tree_ssa_dce_loop): Call scev_reset.
5385 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
5386 * tree-ssa-dce.c: Include cfgloop.h.
5387 (tree_ssa_dce_loop, pass_dce_loop): New.
5388 * tree-pass.h (pass_dce_loop): Declare it.
5389 * passes.c (init_optimization_passes): Use it.
5391 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5394 * convert.c (convert_to_real): Revert 2005-10-05 patch.
5395 Only apply the optimization for rounding builtins if the inner
5396 cast is also an extension.
5398 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
5401 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
5402 mark_new_vars_to_rename instead of update_stmt.
5404 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
5406 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
5408 2005-10-11 Jakub Jelinek <jakub@redhat.com>
5410 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
5411 for setting MMX register to 0 rather than mmx.
5413 2005-10-10 Steve Ellcey <sje@cup.hp.com>
5416 * configure.ac: Move gas check from mips specific case to common case.
5417 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
5418 * configure: Regenerate
5419 * doc/install.texi: Update.
5421 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5424 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
5426 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
5428 * gcc.c (do_spec_1): Accept numeric characters in file name
5431 2005-10-10 Nick Clifton <nickc@redhat.com>
5433 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
5434 describing the deleted arm_gen_rotated_half_load function.
5436 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
5438 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
5441 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
5443 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
5445 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
5446 (EXTRA_MULTILIB_PARTS): Define.
5447 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5448 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5449 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
5450 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5451 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5452 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
5454 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
5456 PR tree-optimization/24226
5457 * tree-cfg.c (remove_bb): Clean up unreachable loops.
5458 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
5459 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
5462 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5464 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
5466 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
5469 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
5470 Rewrite for no need for the early clobber.
5472 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
5474 Merge from csl-arm-branch:
5475 2005-09-07 Paul Brook <paul@codesourcery.com>
5476 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
5479 2005-04-30 Paul Brook <paul@codesourcery.com>
5480 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
5481 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
5483 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
5484 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
5485 (arm_override_options): Use TARGET_AAPCS_BASED.
5486 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
5487 (PTRDIFF_TYPE): Use int for AAPCS.
5488 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
5489 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
5490 (DEFAULT_SHORT_ENUMS): Delete.
5491 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
5493 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
5494 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
5495 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
5496 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
5498 2004-12-03 Mark Mitchell <mark@codesourcery.com>
5499 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
5501 2004-11-22 Mark Mitchell <mark@codesourcery.com>
5502 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
5504 2004-11-19 Mark Mitchell <mark@codesourcery.com>
5505 * config.gcc (arm*-*-linux-gnueabi): Add it.
5506 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
5508 (TARGET_OS_CPP_BUILTINS): Likeiwse.
5509 * config/arm/linux-eabi.h: New file.
5510 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
5511 (LINUX_TARET_LINK_SPEC): Likewise.
5512 (LINK_SPEC): Use it.
5513 * config/arm/t-linux-eabi: New file.
5515 2005-10-08 Steven Bosscher <stevenb@suse.de>
5518 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
5520 (PARAM_SMS_DFA_HISTORY): Likewise.
5522 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
5525 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5526 (load_register_parameters): Call it.
5527 (check_sibcall_argument_overlap_1): Likewise.
5528 (store_one_arg): Likewise.
5530 2005-10-07 James E. Wilson <wilson@specifix.com>
5532 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5533 DImode not VECINT24 for operand 2.
5536 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5540 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5541 fr_spill): Use destination_operand for operand 0.
5543 2005-10-07 DJ Delorie <dj@redhat.com>
5545 * varasm.c (output_constant): Limit error to expanding
5548 2005-10-07 Richard Guenther <rguenther@suse.de>
5551 * fold-const.c (fold_binary): Fix operand types during folding
5552 of X op (A, Y). Evaluation order of the side-effects of
5553 X and A are frontend-defined, so ensure we honour that even for
5554 tcc_comparison class operands; eased by removing duplicate code.
5556 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5558 * stor-layout.c (layout_type): Do not allow alignment of array
5559 elements to be greater than their size.
5561 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5563 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5565 (hppa*-*-linux*): Ditto.
5566 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5567 * config/host-hpux.c: New.
5568 * config/x-hpux: New.
5569 * config/pa/x-hpux: Remove.
5570 * config/pa/x-linux: Remove.
5571 * config/pa/pa-host.c: Remove.
5573 2005-10-07 Jeff Law <law@redhat.com>
5575 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5576 determine whether or not to try and thread outgoing edges.
5578 2005-10-07 David Edelsohn <edelsohn@gnu.org>
5580 * config/rs6000/rs6000.md (eqsi_power): New.
5581 (neg_eq0si): Add TARGET_POWER to final condition.
5584 2005-10-06 Richard Henderson <rth@redhat.com>
5586 * config/rs6000/rs6000.c: Revert last change.
5588 2005-10-06 Richard Henderson <rth@redhat.com>
5590 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5591 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5593 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
5597 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5598 out return_label and naked_return_label.
5600 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5602 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5605 2005-10-06 Richard Henderson <rth@redhat.com>
5608 * tree-inline.c (declare_return_variable): Handle modify_dest not
5611 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5613 Fix PR tree-optimization/22488
5614 * tree-ssa-structalias.c (check_for_overlaps): New function.
5615 (create_variable_info_for): Use it.
5617 2005-10-06 Richard Henderson <rth@redhat.com>
5620 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5621 (dwarf2out_start_source_file): Print it.
5623 2005-10-06 Geoffrey Keating <geoffk@apple.com>
5625 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5627 2005-10-06 Richard Henderson <rth@redhat.com>
5630 * mode-switching.c (optimize_mode_switching): Clear transp bit
5631 for block with incomming abnormal edges.
5633 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5634 (fpscr_set_from_mem): Use them.
5635 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5636 (fpscr postinc splitters): Rewrite as peephole2+split.
5638 2005-10-06 David Edelsohn <edelsohn@gnu.org>
5640 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5641 (eq<mode>_compare): Same.
5643 2005-10-06 Richard Guenther <rguenther@suse.de>
5645 PR tree-optimization/24238
5646 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5648 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
5650 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5651 here. Use AC_PATH_PROG for environment variables instead of
5653 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
5655 * configure: Regenerated.
5657 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
5660 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5661 then force it into a register.
5662 (call_value): Likewise.
5664 2005-10-06 Richard Henderson <rth@redhat.com>
5667 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5668 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
5669 under pass_vectorize.
5671 2005-10-05 Devang Patel <dpatel@apple.com>
5674 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5675 handling constants. Check NAMESPACE_DECL context for constants.
5677 2005-10-05 Eric Christopher <echristo@apple.com>
5679 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5681 2005-10-05 Richard Henderson <rth@redhat.com>
5684 * tree-cfg.c (mark_array_ref_addressable_1): New.
5685 (mark_array_ref_addressable): New.
5686 * tree-flow.h (mark_array_ref_addressable): Declare.
5687 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5689 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
5693 * reload.c (subst_reloads): When adding a REG_LABEL to a
5694 jump instruction, also update JUMP_LABEL.
5696 2005-10-05 David Edelsohn <edelsohn@gnu.org>
5698 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5699 * bb-reorder.c (copy_bb_p): Use it.
5700 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5702 2005-10-05 Richard Henderson <rth@redhat.com>
5705 * toplev.c (process_options): Warn about unsupported combinations
5706 of unwind tables and omit-frame-pointer.
5707 * config/i386/i386.c (override_options): Similarly. Enable
5708 accumulate-outgoing-args if not explicitly disabled.
5710 2005-10-05 Steve Ellcey <sje@cup.hp.com>
5712 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5713 Handle big endian vs. small endian.
5714 (vec_initv2sf): Handle big endian vs. small endian.
5715 (*vec_extractv2sf_1): Ditto.
5717 2005-10-05 Dale Johannesen <dalej@apple.com>
5719 * convert.c (convert_to_real): Don't convert
5720 (float)floor(double d) to floorf((float)d).
5722 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
5724 * config/arm/arm.md (insv): Use gen_int_mode in more places.
5726 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
5728 PR tree-optimization/18587
5729 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5730 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5731 build_vuses): Change to VEC type.
5732 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5733 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5734 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5735 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5736 (get_name_decl): New. Return DECL_UID of base variable.
5737 (operand_build_cmp): New. qsort comparison routine.
5738 (operand_build_sort_virtual): New. Sort virtual build vector.
5739 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5740 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5741 (FINALIZE_BASE): Use get_name_decl.
5742 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5743 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5744 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5745 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5746 direct VEC_* manipulations.
5747 (build_ssa_operands): Call operand_build_sort_virtual.
5748 (copy_virtual_operand, create_ssa_artficial_load_stmt,
5749 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5750 with direct VEC_* manipulations.
5751 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5752 with direct VEC manipulations.
5754 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
5756 PR tree-optimization/21419
5757 PR tree-optimization/24146
5758 PR tree-optimization/24151
5760 * c-typeck.c (readonly_error): Handle USE being lv_asm.
5761 (build_asm_expr): Call it if outputs are read-only.
5762 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5764 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
5765 Paolo Bonzini <bonzini@gnu.org>
5769 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5770 enable the instructions and not just the built-ins.
5771 * doc/invoke.texi (x86 Options): Likewise.
5773 2005-10-04 Geoffrey Keating <geoffk@apple.com>
5775 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5777 * doc/invoke.texi (Option Summary): Correct spelling
5778 of -mmacosx-version-min.
5780 2005-10-04 Devang Patel <dpatel@apple.com>
5782 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5785 2005-10-04 Steve Ellcey <sje@cup.hp.com>
5787 * tree-vect-transform.c (vect_create_epilog_for_reduction):
5788 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5790 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
5792 * config/s390/s390.md ("TDSI","DP"): New mode macros.
5793 ("TE","tg"): New mode attributes.
5794 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5795 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5796 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5797 dword_mode and one for GPRmode.
5799 2005-10-04 Ian Lance Taylor <ian@airs.com>
5801 PR preprocessor/13726
5802 * c-ppoutput.c (cb_include): Add comments parameter, and print out
5803 any comments passed in.
5805 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5807 * tree.c (annotate_with_file_line): Fix typo.
5809 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5812 * builtins.c (fold_builtin_memcmp): When constructing the pointer
5813 type used to access data in the inlined length == 1 case, use
5814 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5815 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5817 2005-10-04 Uros Bizjak <uros@kss-loka.si>
5819 * config/i386/i386.h (TARGET_FISTTP): Enable also for
5820 TARGET_SSE3 and only for TARGET_80387.
5821 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5822 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5823 Do not depend on TARGET_80387.
5825 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5827 * tree.c (last_annotated_node): Change type to location_t*.
5828 (annotate_with_file_line): Reflect the change of
5829 last_annotated_node type.
5831 2005-10-04 Richard Guenther <rguenther@suse.de>
5834 * c-decl.c (grokdeclarator): Don't write to fields
5837 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5840 * c-decl.c (finish_decl): Use set_user_assembler_name even for
5842 * varasm.c (make_decl_rtl): If a register variable does not
5843 have a set user assmbler name, error out.
5844 Decode the asmspec is now name+1 bypassing '*'.
5846 2005-10-04 Steven Bosscher <stevenb@suse.de>
5848 PR tree-optimization/23049
5849 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5850 of a COND_EXPR is folded before calling fold on the whole rhs of a
5851 conditional assignment.
5852 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5853 document that a COND_EXPR may appear there.
5855 2005-10-03 Diego Novillo <dnovillo@redhat.com>
5858 * tree-vrp.c (extract_range_from_assert): If the new numeric
5859 range created out of the assertion contradicts the existing
5860 numeric range of the ASSERT_EXPR variable, make the new range
5863 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
5865 * config/sh/sh.c (sh_register_move_cost): Add case for moving
5866 from T_REGS to FP register class.
5868 2005-10-03 Richard Henderson <rth@redhat.com>
5871 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5872 before creating a new one.
5874 2005-10-03 David Edelsohn <edelsohn@gnu.org>
5876 * config/rs6000/t-aix43 (LDFLAGS): New.
5877 * config/rs6000/t-aix52 (LDFLAGS): New.
5879 2005-10-03 Ian Lance Taylor <ian@airs.com>
5881 * gimplify.c (find_single_pointer_decl_1): New static function.
5882 (find_single_pointer_decl): New static function.
5883 (internal_get_tmp_var): For a formal variable, set restrict base
5884 information if appropriate.
5885 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5887 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5888 (DECL_GET_RESTRICT_BASE): Define.
5889 (SET_DECL_RESTRICT_BASE): Define.
5890 (decl_restrict_base_lookup): Declare.
5891 (decl_restrict_base_insert): Declare.
5892 (struct tree_decl_with_vis): Add based_on_restrict_p field.
5893 * tree.c (restrict_base_for_decl): New static variable.
5894 (init_ttree): Initialize restrict_base_for_decl.
5895 (copy_node_stat): Copy restrict base information.
5896 (decl_restrict_base_lookup): New function.
5897 (decl_restrict_base_insert): New function.
5898 (print_restrict_base_statistics): New static function.
5899 (dump_tree_statistics): Call print_restrict_base_statistics.
5901 2005-10-02 Diego Novillo <dnovillo@redhat.com>
5904 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5905 case of anti-ranges.
5907 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
5910 * c-typeck.c (tagged_tu_seen): Rename to ...
5911 (tagged_tu_seen_cache): this and add val field.
5912 (comptypes): Move functional to comptypes_internal
5913 and free tagged_tu_seen.
5914 (comptypes_internal): New function and call comptypes_internal
5915 instead of comptypes. Speed up by sibcalling
5916 tagged_types_tu_compatible_p.
5917 (alloc_tagged_tu_seen): New function
5918 (free_all_tagged_tu_seen_up_to): New function.
5919 (tagged_types_tu_compatible_p): Return the val of the seen two
5921 Add that the two types are the same to tagged_tu_seen_base
5922 if they are and call comptypes_internal instead of comptypes.
5923 <case UNION_TYPE>: Speed up common type where the fields are
5925 (function_types_compatible_p): Call comptypes_internal instead of
5927 (type_lists_compatible_p): Likewise.
5928 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5930 2005-10-02 Matthias Klose <doko@debian.org>
5932 * doc/invoke.texi: Fix typo and speling error.
5934 2005-10-01 Richard Henderson <rth@redhat.com>
5936 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5938 2005-10-01 Mark Mitchell <mark@codesourcery.com>
5940 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5941 using --start-group and --end-group.
5943 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5945 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5946 FIXME note regarding quirky semantics.
5948 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5951 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5952 non-null range as a last resort.
5954 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
5955 Diego Novillo <dnovillo@redhat.com>
5958 * tree-vrp.c (extract_range_from_assert): For !=
5959 assertions, only build an anti-range if LIMIT is a
5960 single-valued range.
5962 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
5964 * arm.md (movqi): On thumb when optimizing, handle loading from
5965 memory by describing this as taking a subreg of a zero-extended load
5966 into an SImode register.
5969 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
5971 * reload1.c (merge_assigned_reloads): Do not change any
5972 RELOAD_FOR_OUTPUT_ADDRESS reloads.
5974 2005-09-30 Geoffrey Keating <geoffk@apple.com>
5976 * Makefile.in (LIPO_FOR_TARGET): Define.
5977 (STRIP_FOR_TARGET): Define.
5979 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5980 before creating new ones. Do symlinks before creating the actual
5983 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5984 to work out which multilibs are actually being built.
5986 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
5988 * tree-vect-transform.c, config/ms1/ms1.md,
5989 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5990 Follow spelling conventions.
5991 * doc/invoke.texi, doc/md.texi: Fix typos.
5993 2005-09-30 Andrew Macleod <amacleod@redat.com>
5995 PR tree-optimization/21430
5996 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5997 use operands, and set stmt pointer if need be.
5998 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5999 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
6002 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6005 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
6007 2005-09-29 Mark Mitchell <mark@codesourcery.com>
6009 * optabs.c (expand_binop): Initialize first_pass_p.
6011 2005-09-29 Jakub Jelinek <jakub@redhat.com>
6014 * c-decl.c (c_write_global_declarations_1): If any
6015 wrapup_global_declaration_2 call returned true, restart the loop.
6017 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
6019 Fix PR tree-optimization/24117
6020 * tree-ssa-structalias.c (find_func_aliases): Strip nops
6021 before considering whether to use anyoffset.
6023 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
6027 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
6029 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6031 (swap_commutative_operands_with_target): New.
6033 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
6036 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
6039 2005-09-29 Steven Bosscher <stevenb@suse.de>
6041 PR tree-optimization/23911
6042 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
6043 and IMAGPART_EXPR too.
6045 2005-09-28 Mark Mitchell <mark@codesourcery.com>
6048 * expmed.c (expand_shift): Move logic to reverse rotation
6049 direction when rotating by constants ...
6050 * optabs.c (expand_binop): ... here.
6051 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
6052 (ix86_rotrdi3): New pattern.
6053 (rotldi3): Handle 32-bit mode.
6054 (ix86_rotldi3): New pattern.
6056 2005-09-29 Alan Modra <amodra@bigpond.net.au>
6059 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
6060 check for numbers that need no bit twiddle.
6062 2005-09-28 Geoffrey Keating <geoffk@apple.com>
6064 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
6065 multilib to be built.
6067 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
6068 (stage1-start): Delete old libgcc and libunwind before moving
6069 anything into the stage directory.
6070 (stage2-start): Likewise.
6071 (stage3-start): Likewise.
6072 (stage4-start): Likewise.
6073 (stageprofile-start): Likewise.
6074 (stagefeedback-start): Likewise.
6075 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
6076 header in tm_file and CPU-specific t-darwin in tmake_file.
6077 (i[34567]86-*-darwin*): Don't change tm_file.
6078 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
6079 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
6080 shared library stub for target OS version.
6081 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
6082 (SHLIB_LINK): Don't make SHLIB_SOLINK.
6083 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
6084 (libgcc_s.%.dylib): New.
6086 (install-darwin-libgcc-stubs): New.
6087 (INSTALL_LIBGCC): New append.
6088 * config/i386/darwin-libgcc.10.4.ver: New.
6089 * config/i386/darwin-libgcc.10.5.ver: New.
6090 * config/i386/t-darwin: New.
6091 * config/rs6000/darwin-libgcc.10.4.ver: New.
6092 * config/rs6000/darwin-libgcc.10.5.ver: New.
6093 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
6094 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
6096 2005-09-28 Paul Brook <paul@codesourcery.com>
6098 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
6101 2005-09-28 Richard Guenther <rguenther@suse.de>
6103 PR tree-optimization/23853
6104 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
6105 host_integerp to verify misalignment value.
6107 2005-09-28 Richard Henderson <rth@redhat.com>
6109 * builtins.c (get_builtin_sync_mode): New.
6110 (expand_builtin_sync_operation): Pass in mode argument.
6111 (expand_builtin_compare_and_swap): Likewise.
6112 (expand_builtin_lock_test_and_set): Likewise.
6113 (expand_builtin_lock_release): Likewise.
6114 (expand_builtin): Update to match.
6116 2005-09-28 Nick Clifton <nickc@redhat.com>
6118 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
6119 formatting. Add check to PLUS case to ensure that the offset is
6120 within an acceptable range.
6122 * config/v850/v850.md (casesi): Disable the generation of the
6123 switch pattern as it is not being handled properly at the moment.
6125 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
6126 for when the high words are identical.
6128 2005-09-27 Richard Henderson <rth@redhat.com>
6130 * pretty-print.c (pp_base_format): Fix typo for %>.
6132 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
6133 Devang Patel <dpatel@apple.com>
6135 PR tree-optimization/23625
6136 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
6137 LABEL_EXPR, assertion check.
6139 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
6141 * optabs.c (no_conflict_move_test): Check if a result of a
6142 to-be-moved insn would be clobbered by an originally
6145 2005-09-27 Jeff Law <law@redhat.com>
6147 * passes.c (init_optimization_passes): Replace copy propagation
6148 passes immediately after DOM with phi-only copy propagation
6149 pases. Add phi-only copy propagation pass after first DOM pass.
6150 * tree-pass.h (pass_phi_only_copy_prop): Declare.
6151 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
6152 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
6153 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
6154 to init_copy_prop. Callers updated.
6155 (do_phi_only_copy_prop): New function.
6156 (pass_phi_only_copy_prop): New pass descriptor.
6158 2005-09-27 Nick Clifton <nickc@redhat.com>
6160 * libgcc2.c (__popcount_tab): Remove redundant prototype.
6162 2005-09-26 Jason Merrill <jason@redhat.com>
6165 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
6167 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
6169 2005-09-26 James E Wilson <wilson@specifix.com>
6171 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
6172 copyright. Add gcc copyright plus libgcc exception.
6173 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
6175 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
6177 2005-09-26 Jeff Law <law@redhat.com>
6179 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
6180 about when to iterate.
6182 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
6185 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
6186 for __complex__ double in -mcpu=G5 mode.
6188 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
6190 PR tree-optimization/23942
6191 * Makefile.in (SCEV_H): Depends on PARAMS_H.
6192 * tree-scalar-evolution.c: Include params.h.
6194 (follow_ssa_edge, follow_ssa_edge_in_rhs,
6195 follow_ssa_edge_in_condition_phi_branch,
6196 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
6197 Change return type to t_bool. Use a parameter to limit the size of
6198 trees that are walked before stopping
6199 (analyze_evolution_in_loop): Initialize the limit to 0.
6200 (follow_ssa_edge): Give up by returning t_dont_know if the limit
6201 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
6203 2005-09-26 Uros Bizjak <uros@kss-loka.si>
6206 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
6207 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
6209 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
6211 * combine.c (make_extraction): Check for valid use of subreg.
6213 2005-09-26 Uros Bizjak <uros@kss-loka.si>
6216 * config/i386/i386.md ("*fistdi2_1"): New pattern.
6217 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
6218 ("fist<mode>2_with_temp"): Use only register operands.
6220 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
6222 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
6223 CALL_INSN_FUNCTION_USAGE.
6225 2005-09-26 Richard Guenther <rguenther@suse.de>
6228 * gcse.c: Include hashtab.h, define ldst entry hashtable.
6229 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
6230 (ldst_entry): Use the hashtable instead of list-walking.
6231 (find_rtx_in_ldst): Likewise.
6232 (free_ldst_entry): Free the hashtable.
6233 (compute_ld_motion_mems): Create the hashtable.
6234 (trim_ld_motion_mems): Remove entry from hashtable if
6235 removing it from list.
6236 (compute_store_table): Likewise^2.
6237 (store_motion): Free hashtable in case we did not see
6240 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
6242 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
6243 and arg1 if we are passing them to fold_build2.
6245 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
6248 * config/i386/i386.c (ix86_function_regparm): Fix the test for
6251 2005-09-25 Richard Henderson <rth@redhat.com>
6253 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
6254 SYMBOL_REF_TLS_MODEL to be correct.
6256 2005-09-24 Richard Henderson <rth@redhat.com>
6258 * ipa-type-escape.c (discover_unique_type): Remove dead code at
6259 end of function. Reindent.
6261 2005-09-24 Ian Lance Taylor <ian@airs.com>
6263 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
6264 NEGATE_EXPR/BIT_NOT_EXPR case.
6266 2005-09-24 Richard Henderson <rth@redhat.com>
6268 * c-common.c (handle_mode_attribute): When not modifying in place,
6269 create subtypes for enumerations.
6270 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
6271 * gimplify.c (create_tmp_from_val): Likewise.
6273 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
6275 * config/i386/i386.md (*tls_global_dynamic_64,
6276 *tls_local_dynamic_base_64): Add missing mode to call.
6277 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
6279 2005-09-24 Jan Hubicka <jh@suse.cz>
6281 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
6282 (cgraph_clone_node): Likewise.
6283 * cgraph.h (cgraph_clone_edge): Update prototype.
6284 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
6285 duplicated prototypes; add updating argument.
6286 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
6287 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
6289 (cgraph_mark_inline_edge): Likewise.
6290 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
6291 (cgraph_flatten_node): Likewise.
6292 (cgraph_decide_recursive_inlining): Likewise.
6293 (cgraph_decide_inlining_of_small_function): Likewise.
6294 * tree-optimize.c (tree_rest_of_compilation): Likewise.
6296 2005-09-23 David Edelsohn <edelsohn@gnu.org>
6297 Pete Steinmetz <steinmtz@us.ibm.com>
6299 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
6300 (rldic.): Set type to "compare".
6302 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
6303 mfjmpr for MFCTR/MFLR.
6304 (movdf_hardfloat64): Same.
6305 (movdf_softfloat64): Same. Correct order of store and move types.
6306 (movti_string): Set type to store_ux/load_ux.
6307 (load_multiple): Set type to load_ux.
6308 (store_multiple): Set type to store_ux.
6309 (movmemsi): Set type to store_ux.
6310 (output_cbranch direct_return): Set type to jmpreg.
6311 (stmw): Set type to store_ux.
6312 (lmw): Set type to load_ux.
6313 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
6314 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
6315 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
6316 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
6317 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
6318 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
6319 (rios1-fpstore): Increase latency to 3.
6320 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
6321 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
6323 2005-09-23 David Edelsohn <edelsohn@gnu.org>
6324 Andrew Pinski <pinskia@physics.uc.edu>
6326 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
6327 operand2 constraint to "b".
6328 (sync_<fetchop_name>di_internal): Same.
6329 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
6331 (sync_old_<fetchop_name>di_internal): Same.
6332 (sync_new_<fetchop_name>si_internal): Same.
6333 (sync_new_<fetchop_name>di_internal): Same.
6335 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
6338 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
6339 case, define as macros.
6341 PR rtl-optimization/23837
6342 * optabs.c (no_conflict_move_test): Don't set must_stay for a
6343 clobber / clobber match between dest and p->first.
6345 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
6346 (no_conflict_move_test): Update comments.
6348 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6350 * doc/install.texi: Update URL for Jacks.
6351 * doc/sourcebuild.texi: Likewise.
6353 2005-09-22 David Edelsohn <edelsohn@gnu.org>
6356 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
6357 registers when choosing register preferences.
6358 (movdf_hardfloat64): Same.
6360 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
6362 * expmed.c (expand_shift): Don't use the target of the rotate as
6363 target for the first expanded shift insn.
6364 * testsuite/gcc.dg/20050922-1.c: Testcase added.
6366 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
6368 PR tree-optimization/22438
6369 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
6370 preserved iv rhs rewriting specially.
6372 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
6374 * tree-data-ref.c (analyze_array_indexes): Only estimate when
6375 estimate_only is true.
6376 * tree-flow.h (ref_contains_indirect_ref): New prototype.
6377 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
6378 tree-ssa-structalias.c
6379 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
6380 ref_contains_indirect_ref.
6381 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
6383 2005-09-21 DJ Delorie <dj@redhat.com>
6385 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
6387 (mn10300_return_in_memory): Support variable size types also.
6388 (mn10300_pass_by_reference): Likewise.
6389 (mn10300_function_value): New.
6390 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
6391 (FUNCTION_OUTGOING_VALUE): Likewise.
6392 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
6393 * doc/invoke.texi: Document it.
6395 2005-09-21 Uros Bizjak <uros@kss-loka.si>
6398 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
6399 force integer op1 into register for XFmode compares.
6401 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6404 * expmed.c (alg_code): Add alg_impossible.
6405 (alg_hash_entry): Add cost.
6406 (synth_mult): Record alg_impossible in the hash table if
6407 multiplication by a given integer is impossble within the
6408 limit. Speed up using alg_impossible.
6410 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
6412 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
6413 argument. Allow and set any offset if needs_anyoffset is passed
6415 (get_constraint_for): Add argument here too.
6417 (do_structure_copy): Pass NULL to get_constraint_for.
6418 (handle_ptr_arith): Ditto.
6419 (find_func_aliases): Ditto.
6421 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
6423 PR rtl-optimization/23898
6424 * output.h (get_attr_min_length): Declare.
6425 * final.c (get_attr_length_1): New function, broken out of:
6427 (get_attr_min_length): New function.
6428 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
6429 (duplicate_computed_gotos): Likewise.
6430 * genattr.c (insn_min_length): Generate declaration.
6431 * genattrtab.c (min_fn, min_attr_value): New functions.
6432 (make_length_attrs): Generate insn_min_length.
6434 2005-09-20 Steve Ellcey <sje@cup.hp.com>
6436 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
6438 2005-09-20 Richard Henderson <rth@redhat.com>
6440 PR tree-optimization/24059
6441 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
6444 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
6446 * c.opt (fextended-identifiers): New.
6447 * c-opts.c (c_common_handle_option): Handle
6448 -fextended-identifiers.
6449 * doc/cpp.texi: Update documentation of extended identifiers.
6450 * doc/cppopts.texi (-fextended-identifiers): Document.
6452 2005-09-20 Jakub Jelinek <jakub@redhat.com>
6454 PR tree-optimization/23929
6455 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
6458 PR tree-optimization/23818
6459 * tree-stdarg.c (execute_optimize_stdarg): Call
6460 calculate_dominance_info.
6462 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
6464 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
6465 (analyze_siv_subscript_cst_affine): Add weak SIV test.
6466 (compute_overlap_steps_for_affine_1_2): Use
6467 get_number_of_iters_for_loop.
6468 (analyze_subscript_affine_affine): Check whether difference is
6470 Use get_number_of_iters_for_loop.
6471 Check whether overlap occurs outside of bounds.
6472 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
6474 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
6476 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
6477 base register if possible.
6479 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
6481 PR tree-optimization/18463
6482 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
6483 converting it directly is not possible.
6484 (chrec_convert_aggressive): New function.
6485 * tree-chrec.h (chrec_convert_aggressive): Declare.
6486 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
6487 Fold chrec conversions aggressively if asked to.
6488 (instantiate_parameters): Modified because of changes in
6489 instantiate_parameters_1.
6491 2005-09-19 Richard Henderson <rth@redhat.com>
6493 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
6494 (reduc_splus_v2df): New.
6496 2005-09-19 Richard Sandiford <richard@codesourcery.com>
6498 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
6499 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
6501 2005-09-19 Richard Henderson <rth@redhat.com>
6503 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
6506 2005-09-19 Richard Henderson <rth@redhat.com>
6508 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
6509 (ia64_expand_dot_prod_v8qi): New.
6510 * config/ia64/ia64-protos.h: Update.
6511 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
6512 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
6513 sdot_prodv8qi, sdot_prodv4hi): New.
6514 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
6516 2005-09-19 Richard Henderson <rth@redhat.com>
6519 * real.c (exact_real_truncate): Return false if the format cannot
6520 represent the number as a normal.
6522 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6523 for a memory source.
6525 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
6527 * tree-ssa-operands.c (swap_tree_operands): Export.
6528 * tree.h (swap_tree_operands): Declare.
6529 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6530 Call swap_tree_operands.
6532 2005-09-19 Richard Henderson <rth@redhat.com>
6534 * tree-flow.h (merge_alias_info): Declare.
6535 * tree-ssa-copy.c (merge_alias_info): Export.
6536 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6537 (vect_create_data_ref_ptr): Use create_iv directly.
6538 (vectorizable_load): Use correct types for integer constants.
6539 (vect_generate_tmps_on_preheader): Likewise.
6540 (vect_gen_niters_for_prolog_loop): Likewise.
6542 2005-09-19 Steven Bosscher <stevenb@suse.de>
6544 PR rtl-optimization/23943
6545 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6547 2005-09-18 Jan Hubicka <jh@suse.cz>
6549 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6551 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
6553 * varasm.c (output_constant): Do not abort on conversions to union
6554 types between different sizes.
6556 2005-09-18 Richard Guenther <rguenther@suse.de>
6559 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6562 2005-09-18 Paul Brook <paul@codesourcery.com>
6564 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6566 2005-09-17 Richard Henderson <rth@redhat.com>
6568 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6569 * tree-ssa-loop.c (pass_vect_dce): Remove.
6570 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6573 2005-09-17 Richard Henderson <rth@redhat.com>
6575 * tree-pass.h (pass_vect_dce): Declare.
6576 * passes.c (init_optimization_passes): Add it.
6577 * tree-flow.h (tree_ssa_dce): Declare.
6578 * tree-ssa-dce.c (tree_ssa_dce): Export.
6579 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6580 (gate_tree_vectorize): ... here.
6581 (pass_vect_dce): New.
6583 2005-09-17 Jan Hubicka <jh@suse.cz>
6585 * except.c (struct eh_status): Turn region_array into vec.
6586 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6587 convert_from_eh_region_ranges, find_exception_handler_labels,
6588 current_function_has_exception_handlers, assign_filter_values,
6589 build_post_landing_pads, dw2_build_landing_pads,
6590 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6591 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6592 foreach_reachable_handler, can_throw_internal_1,
6593 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6595 (duplicate_eh_region_1): Update region_array.
6596 (duplicate_eh_regions): Resize region_array and avoid recomputing.
6598 2005-09-17 David Edelsohn <edelsohn@gnu.org>
6601 * expmed.c (expand_mult): Substitute simple register for op0 when
6604 2005-09-17 Richard Henderson <rth@redhat.com>
6606 * expr.c (emit_move_via_integer): Add force argument, pass it on
6607 to emit_move_change_mode. Update callers.
6608 (emit_move_complex): Pass true to new force argument.
6609 * function.c (expand_function_end): Move expand_eh_return call
6610 earlier. Merge sub-word complex values into a pseudo before
6611 copying to the return hard register.
6613 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
6615 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6616 between different sizes.
6618 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
6622 * passes.c (init_optimization_passes): Register dump files for
6625 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
6627 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6628 * config/s390/s390.c (s390_overlap_p): New function.
6629 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6630 peephole2, "*xc" peephole2): Added overlap check to the peephole2
6633 2005-09-16 Richard Guenther <rguenther@suse.de>
6635 * ipa-pure-const.c (static_execute): Free auxiliar information.
6636 * ipa-type-escape.c (discover_unique_type): Free temporary key.
6637 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6639 2005-09-15 DJ Delorie <dj@redhat.com>
6641 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6643 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
6645 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6647 (swap_commutative_operands_with_target): New.
6649 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
6651 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6654 (estimate_iters_using_array): New function.
6655 * tree-data-ref.h (estimate_iters_using_array): Prototype
6656 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6657 Use estimate_iters_using_array instead of analyze_array.
6659 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
6661 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6664 2005-09-15 Michael Matz <matz@suse.de>
6666 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6668 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
6670 PR tree-optimization/23835
6671 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6672 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6674 2005-09-14 Richard Henderson <rth@redhat.com>
6676 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6677 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6679 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
6681 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6682 in the ARRAY_TYPE case.
6684 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
6686 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6688 2005-09-14 Uros Bizjak <uros@kss-loka.si>
6691 * tree-vect-transform.c (vectorizable_operation): Return false for
6692 scalar shift operations and for vector shift operations with
6693 non-invariant shift arguments. Use scalar tree operand op1 as
6694 a shift operand when vector shift insn pattern uses scalar shift
6696 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6698 2005-09-14 Olivier Hainque <hainque@adacore.com>
6700 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6701 value if it has side-effects.
6703 2005-09-14 David Edelsohn <edelsohn@gnu.org>
6706 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6708 2005-09-14 Alan Modra <amodra@bigpond.net.au>
6710 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6711 passed as NAME as if it were label at start of function code.
6713 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
6715 * config/sh/sh.md (*movv4sf_i): Add general register cases to
6718 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6720 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6721 as early clobber. Rewrite so the PIC register is not implicitly used.
6723 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6725 * tree.c (annotate_with_file_line): Compare line numbers before
6728 2005-09-13 Uros Bizjak <uros@kss-loka.si>
6731 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6732 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6734 2005-09-13 Ian Lance Taylor <ian@airs.com>
6736 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6737 than a HOST_WIDEST_INT to gen_doloop_begin.
6739 2005-09-13 Diego Novillo <dnovillo@redhat.com>
6741 * tree-dfa.c (dump_variable): Guard against NULL annotations.
6743 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
6745 PR tree-optimize/23817
6746 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6748 2005-09-13 Alan Modra <amodra@bigpond.net.au>
6751 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6752 word before changing the stack pointer. Use gen_frame_mem for MEMs.
6753 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6754 (restore_stack_nonlocal): Likewise.
6755 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6757 2005-09-12 Ian Lance Taylor <ian@airs.com>
6760 * c.opt (ffriend-injection): New C++ option.
6761 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6762 (C++ Dialect Options): Document -ffriend-injection.
6764 2005-09-12 Josh Conner <jconner@apple.com>
6767 * ipa-reference.c (static_execute): Don't mark variables in
6768 named sections TREE_READONLY.
6770 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6772 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6775 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6777 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6778 V_MUST_DEF instead of just the first_use_p.
6779 Don't mark the virtual variables for renaming on the statement which
6781 (pass_dse): Remove TODO_update_ssa.
6783 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
6786 * stor-layout.c (compute_record_mode): For records with a single
6787 field, actually check the field's mode size against the type size.
6789 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6790 registers for TARGET_SHMEDIA.
6791 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6792 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
6793 of GENERAL_REGS and FP_REGS.
6795 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
6797 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6799 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6801 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6802 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6803 are omitted. Exclude stack_tie insn too.
6805 2005-09-11 David Edelsohn <edelsohn@gnu.org>
6807 PR rtl-optimization/23098
6808 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6810 * config/rs6000/rs6000.md (movdf splitter): Use
6811 const_double_operand predicate for TARGET_POWERPC64.
6812 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6813 SYMBOL_REF method to ABI_V4.
6815 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6816 replace_equiv_address.
6817 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6818 rs6000_sr_alias_set and MEM_NOTRAP.
6819 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6821 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
6823 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6824 handle CALL_EXPR again.
6826 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
6828 * arm/predicates.md (alignable_memory_operand): Delete.
6830 2005-09-10 Richard Henderson <rth@redhat.com>
6833 * dbxout.c (dbxout_expand_expr): New.
6834 (dbxout_symbol): Use it.
6836 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
6838 * arm.c (arm_gen_rotated_half_load): Delete.
6839 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6840 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6841 (thumb_set_return_address): Likewise.
6842 (thumb_load_double_from_address): Use adjust_address.
6843 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6844 (extendhsisi2_mem, movhi_bytes): Use change_address.
6845 (movhi): Use widen_memory_access.
6846 (reload_out_df): Use replace_equiv_address.
6847 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6849 2005-09-09 Richard Henderson <rth@redhat.com>
6852 * dbxout.c: Include expr.h.
6853 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6854 (dbxout_symbol): Handle DECL_VALUE_EXPR.
6855 * Makefile.in (dbxout.o): Add EXPR_H.
6857 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
6859 PR tree-optimization/23509
6860 * tree-cfg.c (replace_uses_by): Use replace_exp.
6861 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6862 pointers have name_mem_tag or type_mem_tag set.
6864 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6866 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6867 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6868 of wrongly accessing operands.
6870 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6872 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6873 * tree-chrec.c: Include tree-scalar-evolution.h.
6874 (chrec_convert): Instantiate the base and step before calling
6875 scev_probably_wraps_p that would fail on parametric evolutions.
6876 Collect all the fails into a single section failed_to_convert,
6877 print a diagnostic, and return chrec_dont_know instead of calling
6879 * tree-scalar-evolution.c (loop_closed_phi_def): New.
6880 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6882 (scev_const_prop): Don't replace the definition of a loop closed ssa
6883 phi node by itself, or by another loop closed ssa phi node.
6884 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6885 that base and step are defined.
6887 2005-09-09 Richard Guenther <rguenther@suse.de>
6890 * fold-const.c (fold_ternary): Check truth_value_p before
6891 calling invert_truthvalue.
6893 2005-09-09 Nick Clifton <nickc@redhat.com>
6895 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6896 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6897 dimension of these arrays.
6898 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6900 * longlong.h: Only provide a prototype for the __clz_tab[] array
6901 if this header has not been included from libgcc2.h.
6902 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6904 Provide prototypes for exported functions.
6905 Use the __clz_tab[] and __popcount_tab[] arrays provided by
6908 2005-09-08 Josh Conner <jconner@apple.com>
6912 * expr.c (expand_expr_addr_expr_1): Don't invoke
6913 expand_simple_binop for EXPAND_INITIALIZER.
6915 2005-09-08 Richard Henderson <rth@redhat.com>
6918 * toplev.c (wrapup_global_declaration_1): Split out ...
6919 (wrapup_global_declaration_2): ... from ...
6920 (wrapup_global_declarations): ... here. Return bool.
6921 (check_global_declaration_1): Split out ...
6922 (check_global_declarations): from here.
6923 (emit_debug_global_declarations): New.
6924 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6925 check_global_declaration_1, emit_debug_global_declarations): Declare.
6926 * c-decl.c (c_write_global_declarations_1): Don't create a vector
6927 of decls. Call wrapup_global_declaration_1,
6928 wrapup_global_declaration_2, check_global_declaration_1 directly.
6929 (c_write_global_declarations_2): New.
6931 (c_write_global_declarations): Call c_write_global_declarations_2.
6932 * langhooks.c (write_global_declarations): Call
6933 emit_debug_global_declarations.
6935 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6936 remove decls that have DECL_RTL_SET_P.
6937 * passes.c (rest_of_decl_compilation): Invoke
6938 cgraph_varpool_finalize_decl for all but functions.
6940 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
6942 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6943 the result of a conversion if the new min and max cannot be compared.
6945 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
6947 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6948 (override_options): Setting s390_sr_alias_set removed.
6949 (save_fpr, save_gprs): Set alias set to vararg or frame.
6950 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6951 s390_sr_alias_set with get_frame_alias_set ().
6952 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6953 get_varargs_alias_set ().
6955 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6959 * c-parser.c (c_parser_objc_method_definition): If the next
6960 token is not "{", error out and don't start the function.
6962 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6964 * tree-vrp.c (extract_range_from_expr): Move the check for non
6965 nullness after the check for gimple invariant.
6967 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6969 * tree.c (host_integerp, tree_low_cst): Correct function comment.
6971 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6974 * config/m32r.md (movmemsi_internal): Canonicalize order of
6975 operands in PLUS component of template.
6977 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
6979 * reload1.c (fixup_eh_region_note): Remove assertion.
6980 (fixup_abnormal_edges): Reverted removal of call to
6981 find_many_sub_basic_blocks made on 2005-08-31.
6983 2005-09-07 Richard Henderson <rth@redhat.com>
6985 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6986 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6987 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6988 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6989 rearrange for better packing.
6990 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6991 (lookup_cfa_1): Remove inline marker.
6992 (cfa_equal_p): Split out of ...
6993 (def_cfa_1): ... here. Use INVALID_REGNUM.
6994 (build_cfa_loc): Handle !cfa->indirect.
6995 (frame_pointer_cfa_offset): New.
6996 (dbx_reg_number): Assert register elimination performed; do
6997 leaf register remapping.
6998 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6999 (eliminate_reg_to_offset): New.
7000 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
7001 for verifiably local stack frame addresses; re-base to CFA.
7002 (mem_loc_descriptor): Remove can_use_fbreg argument.
7003 (concat_loc_descriptor, loc_descriptor): Likewise.
7004 (containing_function_has_frame_base): Remove.
7005 (rtl_for_decl_location): Don't do register elimination or
7006 leaf register remapping here.
7007 (secname_for_decl): Split out from ..
7008 (add_location_or_const_value_attribute): ... here.
7009 (convert_cfa_to_loc_list): New.
7010 (compute_frame_pointer_to_cfa_displacement): New.
7011 (gen_subprogram_die): Use them.
7012 * tree.h (frame_base_decl): Remove.
7013 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
7014 (prologue_stack_adjust): Remove.
7015 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
7016 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
7017 (set_frame_base_location): Remove.
7018 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
7019 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
7020 (vt_add_function_parameters): Don't eliminate_regs.
7021 (vt_initialize): Don't create frame_base_decl.
7023 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7025 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
7026 version of GNU binutils for 4.x and later.
7028 2005-09-06 Mark Mitchell <mark@codesourcery.com>
7030 * ggc-page.c (ggc_push_context): Remove.
7031 (ggc_pop_context): Likewise.
7032 * ggc.h (ggc_push_context): Remove.
7033 (ggc_pop_context): Likewise.
7035 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
7038 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
7039 returning from an interrupt handler.
7041 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
7044 * config/arc/arc.c (output_shift): Add check for loop count when
7047 2005-09-06 Steven Bosscher <stevenb@suse.de>
7049 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
7051 (abs_replacement): Likewise.
7052 (pass_phiopt): Remove TODO_update_ssa.
7054 2005-09-06 Jakub Jelinek <jakub@redhat.com>
7057 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
7058 if "return with no value, in function returning non-void" warning
7060 * tree-cfg.c (execute_warn_function_return): Don't look at
7061 RETURN_EXPRs with TREE_NO_WARNING set.
7064 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
7065 for internal functions doesn't use registers used by global registers
7066 variables. Use fewer register parameters if there are global register
7069 2005-09-06 Olivier Hainque <hainque@adacore.com>
7070 Eric Botcazou <ebotcazou@adacore.com>
7073 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
7074 when we would be extracting outside its bit span (bitpos+bitsize
7075 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
7076 Ada unchecked conversions.
7078 2005-09-06 Steven Bosscher <stevenb@suse.de>
7080 * tree-ssa-pre.c (try_look_through_load): New function.
7081 (compute_avail): Use it to try to look through loads for some
7082 more useful expressions.
7084 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
7086 * simplify-rtx.c (simplify_binary_operation_1): Correct the
7087 condition for detecting cases like (a&a) and (a^a).
7089 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
7091 * common.opt: Add option ftree-vect-loop-version.
7092 * params.def: Add --param vect-max-version-checks.
7093 * doc/invoke.texi: Document ftree-vect-loop-version and
7094 --param vect-max-version-checks.
7095 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
7096 may_misalign_stmts and defines for accessors.
7097 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
7098 LOOP_VINFO_MAY_MISALIGN_STMTS.
7099 (destroy_loop_vec_info): VEC_free for
7100 LOOP_VINFO_MAY_MISALIGN_STMTS.
7101 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7102 Update documentation.
7103 (vect_update_misalignment_for_peel): New.
7104 (vect_enhance_data_refs_alignment): Update to choose loop
7105 peeling or loop versioning if appropriate for the (potentially)
7106 unaligned data references in the loop.
7107 (vect_analyze_data_refs_alignment): Remove call to
7108 vect_enhance_data_refs_alignment so the checks can be done
7110 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
7111 and move up call to vect_analyze_data_refs_alignment.
7112 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
7113 (vect_transform_loop): Add call to loop_version.
7115 2005-09-06 Jakub Jelinek <jakub@redhat.com>
7117 PR rtl-optimization/23098
7118 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
7119 * simplify-rtx.c (constant_pool_reference_p): New function.
7120 * rtl.h (constant_pool_reference_p): New prototype.
7121 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
7122 constant_pool_reference_p in condition and
7123 avoid_constant_pool_reference in preparation statements.
7125 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
7127 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
7128 STRICT_LOW_PART SETs.
7130 2005-09-06 Alan Modra <amodra@bigpond.net.au>
7133 * except.c (sjlj_emit_function_enter): Find the function begin
7134 note even when it's not in first basic block.
7136 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
7138 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
7139 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
7140 * aclocal.m4: Regenerate.
7142 2005-09-05 DJ Delorie <dj@redhat.com>
7144 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
7147 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
7149 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
7150 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
7151 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
7152 Follow spelling conventions.
7153 * doc/invoke.texi: Follow spelling conventions.
7155 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
7157 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
7158 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
7159 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
7161 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
7164 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
7165 (output_stack_adjust): Use gen_tmp_stack_mem.
7166 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
7167 (sh_set_return_address, sh_allocate_initial_value): Likewise.
7168 (sh_get_pr_initial_val): Likewise.
7169 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
7170 (sh_initialize_trampoline): Likewise. Also use adjust_address.
7171 * sh.md (divsi_inv_m0): Use gen_const_mem.
7172 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
7173 (movdf_i4+1): Use gen_tmp_stack_mem.
7174 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
7175 (fpu_switch+2): Likewise.
7176 (movv4sf_i, movv16sf_i): Use adjust_address.
7177 (symGOT_load): Set MEM_NOTRAP_P bit.
7179 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7182 * pa.c (emit_move_sequence): Fix typo in last change.
7184 2005-09-03 Jakub Jelinek <jakub@redhat.com>
7186 PR rtl-optimization/23454
7187 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
7190 2005-09-03 Richard Henderson <rth@redhat.com>
7191 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7194 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
7197 2005-09-02 Nicolas Pitre <nico@cam.org>
7199 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
7200 to bit_count to 32 bits.
7202 2005-08-31 Mark Mitchell <mark@codesourcery.com>
7205 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
7206 generating synthetic loads from volatile lvalues.
7208 005-09-02 Nick Clifton <nickc@redhat.com>
7210 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
7211 __ctzhi2, __clzhi2): New functions.
7213 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
7216 * tree-nested.c (struct var_map_elt): Mark with GTY.
7217 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
7219 (lookup_field_for_decl): Allocate new element in GC memory.
7220 (lookup_tramp_for_decl): Likewise.
7221 (convert_nl_goto_reference): Likewise
7222 (create_nesting_tree): Allocate info in GC memory. Likewise for
7224 (free_nesting_tree): Free with ggc_free instead of free.
7225 (root): New static variable.
7226 (lower_nested_functions): Remove root as local variable. And zero out
7227 root at the end of the function.
7229 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
7231 PR rtl-optimization/20365
7232 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
7233 to short. New member ix.
7234 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
7235 (simplify_plus_minus): Initialize ix members before calling qsort.
7237 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
7239 PR tree-optimization/23626
7240 * tree-cfg.c (replace_uses_by): Clean up eh info.
7242 2005-09-01 DJ Delorie <dj@redhat.com>
7244 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
7247 2005-09-01 David Edelsohn <edelsohn@gnu.org>
7249 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
7250 (rs6000_split_multireg_move): Use replace_equiv_address instead of
7253 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
7255 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
7256 do not issue warning for a variable definition following
7259 2005-09-01 Richard Henderson <rth@redhat.com>
7262 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
7263 conversion to CONST_VECTOR.
7265 2005-09-01 Richard Henderson <rth@redhat.com>
7268 * reload1.c (reload_as_needed): Check !CALL_P before calling
7269 fixup_eh_region_note.
7270 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
7272 2005-09-01 DJ Delorie <dj@redhat.com>
7274 * varasm.c (output_constant): Let the target resolve
7275 conversions of addresses to non-default pointer sizes.
7277 2005-09-01 Nicolas Pitre <nico@cam.org>
7279 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
7280 to alow matching ARM pre-indexed addressing mode.
7281 (arm_override_options): Remove now irrelevant comment.
7283 2005-09-01 Phil Edwards <phil@codesourcery.com>
7285 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
7286 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
7287 * config/i386/vxworks.h: Likewise.
7288 * config/i386/t-vxworksae: New file, for VxWorks AE.
7289 * config/i386/vxworksae.h: Likewise.
7291 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
7293 PR tree-optimization/23410
7294 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
7295 sequence is not wrapping during the first step.
7297 2005-09-01 Jakub Jelinek <jakub@redhat.com>
7300 * dwarf2out.c (base_type_die): Compare char_type_node with
7301 TYPE_MAIN_VARIANT (type), not type.
7303 2005-09-01 Richard Guenther <rguenther@suse.de>
7305 PR tree-optimization/15366
7306 * common.opt: Add -finline-functions-called-once.
7307 Put -fearly-inlining in alphabetically ordered place.
7308 * doc/invoke.texi: Document new option.
7309 * ipa-inline.c (cgraph_decide_inlining): Honour
7310 flag_inline_functions_called_once.
7312 2005-09-01 Jakub Jelinek <jakub@redhat.com>
7314 PR rtl-optimization/23478
7315 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
7316 (alloc_qty): Initialize it.
7317 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
7318 (combine_regs): Combine also n_throwing_calls_crossed fields.
7319 (find_free_reg): Don't attempt to caller-save pseudos crossing
7320 calls that might throw.
7321 * global.c (struct allocno): Add throwing_calls_crossed field.
7322 (global_alloc): Revert 2005-08-22 change. Initialize
7323 throwing_calls_crossed.
7324 (find_reg): Don't attempt to caller-save pseudos crossing calls that
7327 2005-09-01 Alan Modra <amodra@bigpond.net.au>
7330 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
7331 (mask64_operand): Reinstate code prior to 2005-06-11 change.
7332 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
7333 (and64_2_operand): Tweak to use predicate.
7334 (and_operand): Adjust for mask_operand changes.
7335 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
7336 (print_operand): Likewise.
7337 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
7338 (mask64_1or2_operand): Delete.
7339 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
7340 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
7341 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
7342 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
7343 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
7344 (rotldi3_internal4): Likewise.
7345 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
7346 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
7347 (ashldi3_internal7): Likewise.
7348 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
7349 (ashldi3_internal, ashldi3_internal9 split): Likewise.
7350 (anddi3 split): Don't match mask64_operand.
7351 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
7352 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
7353 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
7354 't' splitter predicate.
7355 (movdi_internal64 + 2): Revert 2005-06-11 change.
7357 2005-08-31 DJ Delorie <dj@redhat.com>
7359 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
7360 (m32c_asm_integer): Add support for 32 bit pointers.
7362 2005-08-31 Richard Henderson <rth@redhat.com>
7364 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
7365 component-like references for setting MEM_NOTRAP_P.
7367 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
7368 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
7370 2005-08-31 Richard Henderson <rth@redhat.com>
7372 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
7373 into a pseudo before applying gen_lowpart.
7375 2005-08-31 Geoffrey Keating <geoffk@apple.com>
7377 * doc/install.texi (Specific): Update cctools version required
7378 for full functionality.
7379 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
7380 linkers as -macosx_version_min.
7382 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
7385 * sh.c (print_operand, %R and %S): Add handling of floating point
7386 registers, memory, constants and invalid operands.
7388 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
7390 * ipa-pure-const.c: Change dump name.
7392 2005-08-31 Uros Bizjak <uros@kss-loka.si>
7395 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
7396 to "reg_or_0_operand".
7397 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
7399 2005-08-31 Dale Johannesen <dalej@apple.com>
7401 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
7402 loops that count down.
7404 2005-08-31 Richard Henderson <rth@redhat.com>
7407 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
7408 (fixup_eh_region_note): New.
7409 (reload_as_needed): Call it.
7410 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
7411 don't call find_many_sub_basic_blocks; call verify_flow_info.
7412 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
7413 (keep_stack_depressed): Likewise.
7414 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
7416 2005-08-31 Richard Henderson <rth@redhat.com>
7418 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
7421 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
7423 * expr.c (expand_expr_real_1): Compare size of address
7424 mode to target's address mode size in deciding expansion of
7425 the constant address.
7427 2005-08-31 Richard Guenther <rguenther@suse.de>
7430 * expr.c (all_zeros_p): New function.
7431 (expand_expr_real_1): Handle the case of an all-zero
7432 non-addressable constructor separately.
7434 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
7436 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
7437 arguments, adjust all callers.
7438 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
7440 2005-08-30 Richard Henderson <rth@redhat.com>
7443 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
7444 whenever the mode sizes match.
7446 2005-08-31 Alan Modra <amodra@bigpond.net.au>
7448 * calls.c (load_register_parameters): Fix comment typo.
7449 * expr.c (emit_push_insn): Comment formatting.
7451 2005-08-30 Ian Lance Taylor <ian@airs.com>
7453 * config/i386/x-cygwin (host-cygwin): Change dependency from
7454 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
7456 2005-08-29 Geoffrey Keating <geoffk@apple.com>
7458 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
7461 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7464 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
7465 call to ggc_collect.
7467 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
7470 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
7471 beginning. Remove $(INCLUDES) from all the rules, if following
7472 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
7474 2005-08-29 Jakub Jelinek <jakub@redhat.com>
7477 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
7478 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
7479 not constant, but maxlen is, don't set len to maxlen, rather
7480 set maxlen to len if len is a constant.
7482 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
7484 PR tree-optimization/23475
7485 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
7488 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
7490 Fix PR middle-end/22455
7492 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
7493 Checksum only the parts of the tree that exist for the tree code.
7495 2005-08-28 Dale Johannesen <dalej@apple.com>
7497 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
7499 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
7501 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
7503 2005-08-28 Richard Henderson <rth@redhat.com>
7505 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
7506 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
7509 2005-08-28 Jakub Jelinek <jakub@redhat.com>
7512 * builtins.c (get_memory_rtx): Don't strip nops
7513 in between COMPONENT_REFs.
7515 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
7518 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
7520 (gimplify_modify_expr): Check for zero sized types and gimplify the
7521 rhs and lhs as statements.
7523 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
7526 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7527 state for return address column of signal frames.
7529 2005-08-27 David Edelsohn <edelsohn@gnu.org>
7532 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7533 bytes >= 2 not bytes == 2.
7534 (expand_block_move): Same.
7536 2005-08-27 Richard Guenther <rguenther@suse.de>
7539 * config/i386/sse.md (sse2_movsd): Add missing closing
7542 2005-08-27 Paul Brook <paul@codesourcery.com>
7544 * genrecog.c (enum decision_type): Add DT_num_insns.
7545 (struct decision_test): Add u.num_insns.
7546 (add_to_sequence): Add DT_num_insns test.
7547 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7548 (write_cond, debug_decision_2): Ditto.
7549 (change_state): Assume peep2_next_insn never fails.
7550 Remove "afterward" argument.
7551 (write afterward, write_tree): Update to match.
7552 * recog.c (peep2_current_count): New variable.
7553 (peep2_next_insn): Check it.
7554 (peephole2_optimize): Set peep2_current_count.
7555 * recog.h (peep2_current_count): Declare.
7557 2005-08-26 Josh Conner <jconner@apple.com>
7560 * ipa-pure-const.c (check_tree): Check for volatile-ness
7561 when considering a dereference.
7563 2005-08-27 Jakub Jelinek <jakub@redhat.com>
7565 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7567 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7569 PR rtl-optimization/23561
7570 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
7571 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7572 at most LEN bytes long memory fits into the field.
7573 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7574 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7575 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7577 2005-08-26 Richard Henderson <rth@redhat.com>
7580 * loop.c (biased_biv_may_wrap_p): New.
7581 (maybe_eliminate_biv_1): Use it to suppress non-equality
7582 comparison transformations. Delete disabled code.
7584 2005-08-26 Ian Lance Taylor <ian@airs.com>
7586 * combine.c (make_extraction): Avoid reference outside object.
7588 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
7590 * stor-layout.c (finalize_type_size): Restore behaviour for
7591 non-aggregate types to the status quo ante of the patch for
7592 pr 23467. Document why it matters.
7594 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7597 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7598 array by one element, initialize the BT_LAST element with NULL.
7600 2005-08-26 David Edelsohn <edelsohn@gnu.org>
7602 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7603 optimizing for size.
7605 (compare_plus_eqsi): Same.
7606 (plus_eqsi_compare): Same.
7607 (neg_eq0<mode>): Same.
7608 (neg_eq<mode>): Same.
7610 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7613 2005-08-26 Nick Clifton <nickc@redhat.com>
7615 * config/v850/v850.c (ep_memory_operand): Return FALSE if
7616 TARGET_EP is not defined.
7617 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7618 TARGET_EP is enabled.
7619 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7620 * config/v850/v850.md (save_all_interrupt): Only use the EP
7621 register if TARGET_EP is defined.
7622 (restore_all_interrupt): Likewise.
7623 * config/v850/lib1funcs.asm: Update functions so that the EP
7624 register is only used if __EP__ is defined.
7626 2005-08-26 David Ung <davidu@mips.com>
7628 * config/mips/mips.c (mips_expand_prologue): Handle case when
7629 generating for MIPS16 and the outgoing argument area is more than
7630 SMALL_OPERAND. Use the frame pointer as temporary to generate the
7633 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
7635 * config/crx/crx.md: Make doloop_end pattern usage controllable
7636 via mloop-nesting=<max-nesting> command line switch. Make sure
7637 the combiner cannot use doloop_end_<mode> in an illegal way.
7638 * config/crx/crx.c: Use regs up to r6 for argument passing.
7639 Refine crx_address_cost (non cst4 displacements are expensive).
7640 * config/crx/crx.opt: Add switch for mloop-nesting=.
7642 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
7644 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7645 (UNSPEC_MVST): New constant.
7647 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
7649 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7650 Reject operands containing eliminable registers.
7651 * testsuite/gcc.dg/20050825-1.c: New testcase.
7653 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7654 Jan Hubicka <jh@suse.cz>
7656 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7658 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7660 PR tree-optimization/23546
7661 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7664 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
7666 * params.def (PARAM_MIN_SPEC_PROB): New.
7667 * sched-rgn.c (MIN_PROBABILITY): Delete.
7668 (compute_trg_info): Convert to PARAM_VALUE.
7669 * doc/invoke.texi (param): Document min-spec-prob.
7671 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
7673 * config/darwin.h: define __PIC__
7674 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7675 TARGET_OS_CPP_BUILTINS macro.
7677 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7679 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7682 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7684 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7686 * cfghooks.c (duplicate_block): Added position where to place
7687 new block as argument.
7688 * cfghooks.h (duplicate_block): Declaration changed.
7689 * cfglayout.c (copy_bbs): Add argument after. Pass it to
7691 * cfglayout.h (copy_bbs): Declaration changed.
7692 * cfgloop.h (loop_version): Declaration changed.
7693 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7694 position to copy_bbs.
7695 (loop_version): Pass position to duplicate_loop_to_header_edge.
7696 Add place_after argument and position new blocks according to
7698 * modulo-sched.c (sms_schedule): Pass place_after argument
7700 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7701 * tree-cfg.c (split_edge_bb_loc): New function.
7702 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7703 to determine position of new blocks.
7704 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7706 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7707 argument to duplicate_block.
7708 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7709 Pass position to copy_bbs.
7711 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7713 * fold-const.c (ptr_difference_const): Use
7714 cst_and_fits_in_hwi instead of host_integerp.
7716 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7718 * config/darwin.c (gen_pic_offset): New.
7719 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
7722 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
7724 PR tree-optimization/23486
7725 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7727 2005-08-23 Phil Edwards <phil@codesourcery.com>
7729 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
7730 remove use_collect2.
7731 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
7733 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
7734 configuration files to override the default value.
7736 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
7737 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7738 * config/vx-common.h: New file, split out from...
7739 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
7740 * config/vxworksae.h: New file, for VxWorks AE.
7741 * config/vxworks.opt: New file.
7742 * config/vxlib.c: Update for VxWorks 6.
7744 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
7745 other MULTILIB_* variables appropriately.
7746 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
7747 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
7748 * config/rs6000/vxworks.h: Update for VxWorks 6.
7749 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
7751 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
7754 * config/darwin.c (machopic_select_section): Remove the hack to
7755 mark "::operator new" and "::operator delete" for coalescing
7756 even though they are not weak.
7758 2005-08-24 Alan Modra <amodra@bigpond.net.au>
7760 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7761 * configure: Regenerate.
7763 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7766 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7768 * convert.c (convert_to_integer, convert_to_vector): Likewise.
7769 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7772 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7774 * config/rs6000/predicates.md (equality_operator): New.
7775 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7776 comparison with a large constant.
7778 2005-08-23 Mark Mitchell <mark@codesourcery.com>
7780 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7782 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
7784 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7785 registers is even, and we have a hardware double precision fp,
7787 (sh_gimplify_va_arg_expr): For floating point arguments, consider
7788 size of current argument when checking if argument was passed in
7791 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7794 * stor-layout.c (finalize_type_size): Dont override
7795 existing alignment with a smaller alignment from the mode.
7797 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7799 * lambda-code.c (lambda_vector_lexico_pos): Moved...
7800 * lambda.h (lambda_vector_lexico_pos): ... here.
7801 * tree-data-ref.c (build_classic_dist_vector): Return false when
7802 the distance vector is lexicographically negative.
7804 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7806 PR tree-optimization/23511
7807 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7808 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7810 2005-08-23 Jakub Jelinek <jakub@redhat.com>
7812 PR tree-optimization/22043
7813 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7814 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7815 If ALLOW_FLEXARR, handle types ending with flexible array member.
7816 Pass false as second argument to recursive count_type_elements calls.
7817 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7818 argument to count_type_elements call.
7819 * tree-sra.c (decide_block_copy): Likewise.
7820 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7821 for a constant-sized object, set cleared as well. Pass true as
7822 second argument to count_type_elements call.
7824 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7827 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7828 from legitimate_small_data_p, and make global. Update use.
7829 Remove forward declaration.
7830 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7832 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7834 2005-08-23 David Edelsohn <edelsohn@gnu.org>
7836 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7837 of scratch intermediates.
7838 (eq<mode>_compare): Same.
7839 (neg_eq0<mode>): New.
7840 (neg_eq<mode>): Convert to define_insn_and_split.
7842 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7845 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7846 stdarg functions, set/clear the fp marker even when no variable
7848 * config/rs6000/sysv4.opt (mprototype): Describe.
7850 2005-08-22 Jakub Jelinek <jakub@redhat.com>
7852 PR rtl-optimization/23478
7853 * regs.h (reg_info): Add throw_calls_crossed.
7854 (REG_N_THROWING_CALLS_CROSSED): Define.
7855 * flow.c (allocate_reg_life_data): Initialize
7856 REG_N_THROWING_CALLS_CROSSED.
7857 (propagate_one_insn, attempt_auto_inc): Update
7858 REG_N_THROWING_CALLS_CROSSED.
7859 * global.c (global_alloc): Don't allocate pseudos across
7860 calls that may throw.
7862 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
7865 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7866 value is inbetween the range if we did not find an exact match.
7868 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
7870 * doc/invoke.texi (Option Summary): Add ms1 options.
7871 * doc/extend.texi: Document interrupt handler attribute for ms1.
7872 * doc/md.texi: Document ms1 constraints.
7873 * config.gcc: Add ms1-*-elf.
7874 * config/ms1/ms1.h: New.
7875 * config/ms1/ms1.c: New.
7876 * config/ms1/ms1.md: New.
7877 * config/ms1/ms1-protos.h: New.
7878 * config/ms1/ABI.txt: New.
7879 * config/ms1/crti.asm: New.
7880 * config/ms1/crtn.asm: New.
7881 * config/ms1/lib2extra-funcs.c: New.
7882 * config/ms1/t-ms1: New.
7883 * config/ms1/ms1.opt: New.
7885 2005-08-22 Ira Rosen <irar@il.ibm.com>
7887 * config/rs6000/altivec.md (xorv4sf3): New.
7888 (negv4sf2, neg<mode>2): Likewise.
7890 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
7893 * config/ia64/ia64.md (divsi3): Check divide by zero.
7894 (udivsi3): Likewise.
7896 (udivdi3): Likewise.
7898 2005-08-21 Jakub Jelinek <jakub@redhat.com>
7900 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7901 up to elem_bitsize bits, not max_bitsize.
7903 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7905 PR tree-optimization/23433
7906 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7907 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7909 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7911 PR tree-optimization/23434
7912 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7913 the iteration bound is not an INTEGER_CST.
7915 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
7917 * tree-vect-transform.c (get_initial_def_for_reduction): Set
7918 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7919 NULL if need_epilog_adjust is false.
7920 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7921 Case 3 always peels first itration, not just for PLUS case, and no need
7922 to use scalar_initial_def here. Create an epilog adjustment only if
7923 scalar_initial_def is not NULL.
7925 (vectorizable_reduction): Remove assert.
7927 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
7930 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7931 (__moddi3): Likewise.
7932 (__udivdi3): Likewise.
7933 (__umoddi3): Likewise.
7934 (__divsi3): Likewise.
7935 (__modsi3): Likewise.
7936 (__udivsi3): Likewise.
7937 (__umodsi3): Likewise.
7939 2005-08-20 Jakub Jelinek <jakub@redhat.com>
7941 * tree-pass.h (TDF_GRAPH): Define.
7942 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7943 * passes.c (finish_optimization_passes): Only call
7944 finish_graph_dump_file if TDF_GRAPH is set.
7945 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7946 NULL. Set TDF_GRAPH bit.
7947 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7949 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
7951 * arm.h (arm_stack_offsets): Add locals_base field.
7952 * arm.c (arm_get_frame_offsets): Compute it.
7953 (thumb_compute_initial_elimination offset): Make the Thumb frame
7954 pointer point to the base of the local variables.
7955 (thumb_expand_prologue): Update accordingly.
7956 (thumb_expand_epilogue): Likewise.
7958 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
7959 mode of clobbered scratch to DImode. Handle a case that's known to
7962 2005-08-19 David Edelsohn <edelsohn@gnu.org>
7964 * config/rs6000/rs6000.md (gt0<mode>): Delete.
7965 (gt0<mode>_compare): Delete.
7966 (neg_gt0<mode>): Delete.
7968 2005-08-19 Eric Christopher <echristo@apple.com>
7970 * optabs.h: Change CTI_ to COI_.
7973 2005-08-19 James E Wilson <wilson@specifix.com>
7975 * builtins.c (expand_builtin_return_addr): Set
7976 current_function_accesses_prior_frames when count != 0. Use
7977 frame_pointer_rtx when count == 0.
7978 * function.h (struct function): Add accesses_prior_frames field.
7979 (current_function_accesses_prior_frames): Define.
7980 * reload1.c (init_elim_table): Check
7981 current_function_accesses_prior_frames.
7982 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7984 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7986 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7987 indicator. Return true if the flowgraph changed during
7990 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7993 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7994 conditional expression before testing its value.
7996 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7998 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
8000 2005-08-19 Devang Patel <dpatel@apple.com>
8002 PR tree-optimization/23048
8003 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
8004 third parameter. Check whether latch is dominated by exit
8006 (if_convertible_loop_p): Supply exit block itself to
8007 if_convertible_bb_p.
8009 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
8012 * arm.md (arm_load_pic_register): Change argument to the mask of
8013 saved registers. Call thumb_find_work_register if we need a
8014 scratch register on Thumb.
8015 (arm_expand_prologue): Pass empty register set to
8016 arm_load_pic_register.
8017 (thumb_expand_prologue): Pass live_regs_mask directly to
8018 arm_load_pic_register.
8019 * arm-protos.h (arm_load_pic_register): Update prototype.
8021 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
8023 * sh.c (find_sole_member): New function.
8024 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
8025 if the record's alignment is larger than the size of its only member.
8027 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
8030 * arm.c (thumb_legitimize_reload_address): New function.
8031 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
8032 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
8034 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
8036 * config/crx/crx.c: Implement crx_decompose_address. Reject
8037 symbolic displacements since CRX register relative adressing
8038 mode can't handle unsigned 32-bit values as displacements.
8039 * config/crx/crx.h: Simplify definitions, remove redundant
8040 parenthesis and obsolete macros.
8041 * config/crx/crx.opt: Add new switch for debugging addresses.
8042 * config/crx/crx-protos.h: Add new declarations for above.
8044 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
8047 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
8050 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8052 * collect2.c (dup2): Delete.
8053 * configure.ac: Don't check for dup2.
8055 * config.in, configure: Regenerate.
8057 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
8059 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
8060 record with the type of its only member.
8062 2005-08-18 David Edelsohn <edelsohn@gnu.org>
8064 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
8065 define_insn_and_split.
8066 (plus_ltu<mode>_compare): Same.
8067 (gtu<mode>_compare): Same.
8068 (plus_gtu<mode>_compare): Same.
8070 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
8072 PR tree-optimization/22228
8073 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
8075 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
8076 are recorded in vect_vnames_to_rename for renaming.
8077 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
8078 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
8079 in vect_vnames_to_rename.
8080 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
8081 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
8083 2005-08-18 Jan Hubicka <jh@suse.cz>
8086 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
8087 info only for local statics, not for member variables.
8089 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8091 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
8093 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8095 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
8097 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
8100 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
8102 2005-08-17 James E Wilson <wilson@specifix.com>
8104 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8107 2005-08-17 David Edelsohn <edelsohn@gnu.org>
8109 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
8110 (leu<mode>_compare): Same.
8111 (plus_leu<mode>): Same.
8112 (neg_leu<mode>): Same.
8113 (and_neg_leu<mode): Same.
8114 (ltu<mode>_compare): Same.
8115 (plus_ltu<mode>): Same.
8117 (geu<mode>_compare): Same.
8118 (plus_geu<mode>): Same.
8119 (neg_geu<mode>): Same.
8120 (and_neg_geu<mode>): Same.
8121 (plus_gt<mode>): Same.
8122 (gtu<mode>_compare): Same.
8123 (plus_gtu<mode>): Same.
8125 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
8127 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
8128 Move call_table_data to end. Delete spurious .text.
8129 (callt_save_all_interrupt): Fix comment typo.
8131 2005-08-17 James E Wilson <wilson@specifix.com>
8132 Kevin Winchester <winchester@amirix.com>
8135 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
8137 2005-08-17 Uros Bizjak <uros@kss-loka.si>
8140 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
8141 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
8143 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
8145 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
8146 record with the type of its only member if the modes don't match.
8148 * varasm.c (decode_reg_name): Skip empty additional register names.
8150 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8152 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
8153 lsm_tmp_name_length): New.
8154 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
8155 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
8157 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
8158 Andreas Krebbel <krebbel1@de.ibm.com>
8160 * config.gcc: Added z9-109 switch.
8161 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
8162 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
8163 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
8164 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
8165 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
8166 for "z9_109" cpu attribute.
8167 * config/s390/s390.c (z9_109_cost): New processor cost structure.
8168 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
8169 (s390_handle_arch_option): Added z9-109 switch.
8170 (override_options): Set respective cost function for z9-109.
8171 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
8172 (legitimate_reload_constant_p): Accept extended immediates.
8173 (print_operand): Three new output modifiers added: k, m and o.
8174 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
8175 (s390_output_mi_thunk): Use extended immediate when possible.
8176 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
8177 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
8178 (CONSTRAINT_LEN): Added length of O constraint.
8179 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
8180 * config/s390/s390.md ("cpu"): New value z9_109 added.
8181 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
8182 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
8183 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
8184 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
8185 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
8186 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
8187 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
8188 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
8189 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
8190 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8191 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
8192 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
8193 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
8194 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
8195 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
8197 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
8198 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
8199 insns for TARGET_EXTIMM.
8201 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
8203 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
8205 2005-08-17 Nick Clifton <nickc@redhat.com>
8207 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
8208 Call default_encode_section_info.
8210 2005-08-17 Steven Bosscher <stevenb@suse.de>
8212 PR tree-optimization/21574
8213 * tree-ssa-ccp.c (likely_value): If the right hand side is a
8214 constant, return CONSTANT.
8215 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
8216 (ccp_fold, visit_assignment): Likewise.
8217 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
8219 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
8221 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
8222 fold_buildN instead of buildN then fold_initializer or fold.
8223 (build_unary_op): Likewise.
8224 (build_binary_op): Likewise.
8225 * fold-const.c (fold_initializer): Remove.
8226 (fold_build1_initializer): New function.
8227 (fold_build2_initializer): New function.
8228 (fold_build3_initializer): New function.
8229 * tree.h (fold_initializer): Remove.
8230 (fold_build1_initializer): New function.
8231 (fold_build2_initializer): New function.
8232 (fold_build3_initializer): New function.
8234 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
8236 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
8237 (try_move_mult_to_index): Call fold_build2 instead of build2.
8238 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
8239 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
8240 fold_binary_to_constant.
8241 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
8243 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
8244 check if A == gcd (A, B). Remove TYPE argument.
8245 (analyze_offset) Use fold_build2 instead of fold (build.
8246 (create_data_ref): Likewise.
8247 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
8248 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
8251 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
8253 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
8254 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
8256 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
8259 * gimplify.c (zero_sized_type): New function.
8260 (gimplify_modify_expr_rhs): If we have a zero sized type,
8261 replace the statement with an empty statement.
8263 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
8265 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
8268 2005-08-16 Ian Lance Taylor <ian@airs.com>
8270 * doc/tm.texi (Label Output): Correct typo.
8272 2005-08-16 Steven Bosscher <stevenb@suse.de>
8275 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
8276 force_operand will work later on using have_insn_for.
8278 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8280 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
8282 2005-08-16 Ian Lance Taylor <ian@airs.com>
8285 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
8286 vector type, don't try to construct it element by element. Add an
8287 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
8289 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8291 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
8293 2005-08-16 Geoffrey Keating <geoffk@apple.com>
8295 * doc/invoke.texi (Precompiled Headers): Document some more options
8296 which are known to be safe.
8298 2005-08-16 James E Wilson <wilson@specifix.com>
8300 PR tree-optimization/21105
8301 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8302 TREE_OVERFLOW check.
8304 2005-08-16 David Edelsohn <edelsohn@gnu.org>
8306 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
8307 (neg_ltu<mode>): Same.
8309 (neg_gtu<mode>): Same.
8311 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8313 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
8314 (fold_builtin_isdigit): Use fold_buildN.
8315 (build_function_call_expr): Likewise.
8316 * c-typeck.c (c_finish_loop): Likewise.
8318 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
8319 Richard Shann <rshann@superh.com>
8321 PR middle-end/20396:
8322 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
8324 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
8326 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
8328 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
8331 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
8332 arm_compure_save_reg0_reg12_mask to determine when the PIC register
8335 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8338 * fold-const.c (build_range_check): Disable optimization for function
8339 pointer expressions on targets that require function pointer
8342 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
8344 * simplify-rtx.c (simplify_const_relational_operation): When
8345 extracting arguments of a COMPARE, recompute the mode as well.
8347 2005-08-15 Ian Lance Taylor <ian@airs.com>
8349 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
8351 2005-08-15 DJ Delorie <dj@redhat.com>
8353 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
8355 (movsi_splittable): Allow, but split, moves to the stack.
8356 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
8359 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8361 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
8362 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
8363 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
8365 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
8366 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
8367 Delete HOST_PTR_PRINTF.
8369 * configure, config.in: Regenerate.
8371 2005-08-15 David Edelsohn <edelsohn@gnu.org>
8373 * config/rs6000/rs6000.md (QHSI): New mode macro.
8374 (wd): Extend mode attr for QImode and HImode
8375 (dbits): New mode attr.
8376 (zero_extend<mode>di2): Convert to mode macro.
8378 2005-08-15 Steve Ellcey <sje@cup.hp.com>
8381 * doc/invoke.texi (-mgnu-ld): Update description.
8384 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
8387 * Makefile.in (tree-chrec.o): Depends on real.h.
8388 * tree-chrec.c: Include real.h.
8389 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
8390 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
8391 * tree-scalar-evolution.c (add_to_evolution_1,
8392 interpret_rhs_modify_expr): Ditto.
8394 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
8397 * tree-data-ref.c (estimate_niter_from_size_of_data): When
8398 step is negative compute the estimation from init downwards to zero.
8400 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
8402 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
8404 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
8406 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
8408 (legitimate_reload_constant_p): Fix handling of lliXX operands.
8409 Accept double-word constants that can be split.
8410 * config/s390/s390.md ("movti"): Use 'P' constraint.
8411 ("*movdi_31", "*movdf_31"): Likewise.
8413 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
8415 Fix PR tree-optimization/22615
8417 * tree-ssa-structalias.c (solution_set_add): Handle
8418 first_vi_for_offset returning NULL.
8419 (do_da_constraint): Ditto.
8420 (do_sd_constraint): Ditto.
8421 (do_ds_constraint): Ditto
8422 (find_func_aliases): Ditto.
8423 (build_constraint_graph): RHS is allowed be ANYTHING.
8424 (first_vi_for_offset): Return NULL if we couldn't find anything at
8427 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
8429 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
8430 over memory as first operand.
8432 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
8435 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
8436 available for setting it.
8438 2005-08-14 Ira Rosen <irar@il.ibm.com>
8440 PR tree-optimization/23320
8441 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
8442 data-refs' types instead of base object nullness. Add check for
8443 pointer type data-refs before first location comparison. Remove
8446 2005-08-14 Andreas Schwab <schwab@suse.de>
8448 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
8450 2005-08-13 James E Wilson <wilson@specifix.com>
8452 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
8453 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
8454 -fstack-protector-all, --param ssp-buffer-size): Document.
8455 (-Wvariadic-macros): Alphabetize.
8456 (-fsched-stalled-insns-dep): Add missing 'f'.
8458 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
8461 2005-08-13 David Edelsohn <edelsohn@gnu.org>
8463 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
8464 or indirect address operand.
8465 (EXTRA_ADDRESS_CONSTRAINT): New.
8466 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
8468 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
8470 PR tree-optimization/22236
8471 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
8472 successors and predecessors.
8473 * tree-chrec.c (chrec_convert): Before converting, check that
8474 sequences don't wrap.
8475 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
8476 (analyze_array): Extern.
8477 (find_data_references_in_loop): Remove call to
8478 compute_estimated_nb_iterations.
8479 * tree-data-ref.h (analyze_array): Declared.
8480 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
8481 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
8482 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
8483 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
8485 * tree-ssa-loop-ivcanon.c: Fix documentation.
8486 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
8487 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
8488 (infer_loop_bounds_from_undefined): New.
8489 (estimate_numbers_of_iterations_loop): Use
8490 infer_loop_bounds_from_undefined.
8491 (used_in_pointer_arithmetic_p): New.
8492 (scev_probably_wraps_p): Pass an extra parameter. Call
8493 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
8494 (convert_step): Fix documentation.
8495 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
8496 Use initial_condition_in_loop_num and evolution_part_in_loop_num
8497 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
8498 scev_probably_wraps_p.
8500 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
8502 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
8503 (s390_register_info): Ignore clobbered_regs information for fixed
8504 registers, and only fixed registers.
8505 (s390_init_frame_layout): Remove redundant call.
8507 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
8509 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
8510 description of -Wold-style-casts.
8512 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8513 Jakub Jelinek <jakub@redhat.com>
8515 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8516 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
8517 * config/s390/s390.c (print_operand): New output modifier 'G' added.
8518 (get_thread_pointer): Renamed to s390_get_thread_pointer.
8519 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
8520 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
8521 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8522 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8523 ("stack_protect_set", "stack_protect_test"): New expanders.
8524 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8525 "stack_protect_testdi"): New insn definitions.
8527 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8529 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8531 2005-08-12 Paul Brook <paul@codesourcery.com>
8533 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8535 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8537 * config/s390/predicates.md (setmem_operand): New predicate.
8538 (shift_count_operand): Accept ANDs with special constants as
8540 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8541 with special constants.
8542 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8543 shift_count_operand with setmem_operand.
8545 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8547 * config/s390/s390.c (s390_extract_part, s390_single_part):
8549 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8550 (s390_output_mi_thunk): Don't use lg on 31 bit.
8551 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8552 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8554 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8556 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8557 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8558 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8559 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8560 with one of the new macros.
8562 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8564 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8565 Don't set save_return_addr_p.
8566 (s390_register_info): Make clobbered_regs not depending on
8569 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
8571 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8572 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8574 2005-08-11 James E. Wilson <wilson@specifix.com>
8576 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8578 2005-08-11 Jakub Jelinek <jakub@redhat.com>
8580 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8581 locations gathered by var-tracking in single entry loc_list
8582 over loc_descriptor_from_tree.
8584 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8585 pass it down to loc_descriptor.
8586 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8587 (containing_function_has_frame_base): Move earlier in the file.
8588 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8589 instead of always assuming fbreg can't be used.
8591 2005-08-11 David Edelsohn <edelsohn@gnu.org>
8593 * config/rs6000/altivec.md: Change constraint "m" to "Z".
8594 * config/rs6000/predicates.md (indexed_or_indirect_operand):
8595 Accept address wrapped in AND for Altivec.
8596 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8597 Strip AND wrapping offset address for Altivec.
8599 2005-08-11 Richard Henderson <rth@redhat.com>
8602 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8603 before using TYPE_IS_SIZETYPE.
8605 2005-08-11 Richard Henderson <rth@redhat.com>
8608 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8609 insn types not present on ev4.
8610 (alphaev5_insn_pipe): Similarly.
8612 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
8615 * arm.c (arm_override_options): If the user has selected callee-super-
8616 interworking, then enable normal interworking.
8618 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8620 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8623 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
8625 * doc/rtl.texi: Fix two typos.
8627 2005-08-11 Richard Guenther <rguenther@suse.de>
8630 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8631 cases where we call to/from functions returning void.
8633 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
8636 * tree.c (build_pointer_type_for_mode): Robustify.
8638 2005-08-10 James E Wilson <wilson@specifix.com>
8640 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8641 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8643 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8646 2005-08-10 Eric Christopher <echristo@apple.com>
8648 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8649 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8652 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
8655 * config/darwin.c (machopic_indirect_data_reference): Use a new register
8656 for the high part when generating dynamic-no-pic code.
8658 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
8660 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8661 (x86_64-*-linux*): Likewise.
8663 * config/i386/crtfastmath.c: New file.
8664 * config/i386/t-crtfm: Likewise.
8666 * config/i386/linux.h (ENDFILE_SPEC): New.
8667 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8669 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8672 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
8674 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8675 (vec_shl, vec_shr): Document new operations.
8676 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8678 2005-08-10 David Edelsohn <edelsohn@gnu.org>
8680 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8681 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8682 change predicate to indexed_or_indirect_address.
8684 2005-08-10 Richard Sandiford <richard@codesourcery.com>
8686 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8687 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8688 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8689 and __aeabi_uwrite8.
8690 * config/arm/unaligned-funcs.c: New file.
8691 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8693 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
8695 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8697 * cfglayout.c (pass_insn_locators_initialize): Add dump.
8698 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8700 * except.c (pass_convert_to_eh_region_ranges): Add dump.
8701 * final.c (pass_shorten_branches): Add dump.
8702 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8703 (pass_life): Rename dump.
8704 (rest_of_handle_flow2): Remove initial verify_flow_info.
8705 * function.c (pass_instantiate_virtual_regs): Add dump.
8706 * integrate.c (pass_initial_value_sets): Add dump.
8707 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8708 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8709 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8710 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8711 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8712 gate_rtl_unrool_and_peel_loops): New.
8713 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8714 rtl_doloop): Do not look at flags.
8715 * mode-switching.c (pass_mode_switching): Add dump.
8716 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8717 pass_split_before_regstack): Add dump.
8718 * regmove.c (pass_stack_adjustments): Add dump.
8719 * tree-optimize.c (pass_fixup_cfg): Add dump.
8721 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8724 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8725 deciding which instruction sequence to use.
8727 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
8729 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8730 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8732 2005-08-09 Richard Guenther <rguenther@suse.de>
8734 * c-common.c (builtin_function_2): Remove.
8735 (def_builtin_1): New function.
8736 (c_common_nodes_and_builtins): Use def_builtin_1 to
8737 build builtin functions.
8739 2005-08-09 Jie Zhang <jie.zhang@analog.com>
8741 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8742 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8743 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8746 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8748 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8749 fold_binary instead of fold_build2 since we don't care about the
8751 (loop_niter_by_eval): Likewise.
8752 (compare_trees): Likewise.
8753 (proved_non_wrapping_p): Likewise.
8755 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8759 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8760 if the if is really empty.
8762 2005-08-09 Steven Bosscher <stevenb@suse.de>
8764 PR tree-optimization/23234
8765 * tree-ssa-math-opts.c (place_reciprocal): New enum.
8766 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8767 argument of the new enum.
8768 (execute_cse_reciprocals): Add reciprocals for function arguments
8769 on the unique successor edge of the entry block. Update other calls
8770 to execute_cse_reciprocals_1.
8772 2005-08-08 Richard Henderson <rth@redhat.com>
8775 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8777 2005-08-08 Bob Wilson <bob.wilson@acm.org>
8779 * expr.c (write_complex_part): Return after handling MEM.
8781 2005-08-08 Josh Conner <jconner@apple.com>
8783 PR rtl-optimization/23241
8784 * combine.c (simplify_comparison): Fix error in determining
8785 whether to lift a subreg from comparison.
8787 2005-08-08 David Edelsohn <edelsohn@gnu.org>
8790 * config/rs6000/altivec.md (vec_init<mode>): New.
8791 (vec_set<mode>): New.
8792 (vec_extract<mode>): New.
8793 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8794 (rs6000_expand_vector_set): New.
8795 (rs6000_expand_vector_extract): New.
8796 (rs6000_legitimate_offset_address_p): Offset addresses are valid
8797 for Altivec modes before reload.
8798 (altivec_expand_vec_init_builtin): New.
8799 (get_element_number): New.
8800 (altivec_expand_vec_set_builtin): New.
8801 (altivec_expand_vec_ext_builtin): New.
8802 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8804 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8806 * config/rs6000/rs6000.h (rs6000_builtins): Add
8807 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8808 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8809 * config/rs6000/rs6000-protos.h: Declare new functions.
8811 2005-08-08 Jan Hubicka <jh@suse.cz>
8813 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8814 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8815 * i386.md (movdi*): Use pic_32bit_operand.
8816 * predicates.md (pic_32bit_operand): New.
8818 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
8821 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8823 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
8825 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8826 (test_for_singularity): Use fold_build2.
8828 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8830 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8832 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
8834 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8835 (COMMON_ASM_OP) Define.
8836 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8837 (ix86_encode_section_info): Likewise.
8838 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8839 SUBTARGET_ENCODE_SECTION_INFO.
8841 2005-08-06 Richard Henderson <rth@redhat.com>
8844 * tree-nested.c (convert_local_reference): Save and restore val_only
8845 around component_ref and friends. Clear walk_subtrees by default.
8847 2005-08-06 Peter O'Gorman <peter@pogma.com>
8850 * gcc.c (process_command): Check the argument to -b has a dash.
8851 * doc/invoke.texi: Update -b and -V docs.
8853 2005-08-06 James E Wilson <wilson@specifix.com>
8855 * config/mips/cross64.h, config/mips/t-cross64: Delete.
8857 2005-08-06 Michael Matz <matz@suse.de>
8859 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8860 member only if only one insn is associated with the value.
8862 2005-08-06 Nick Clifton <nickc@redhat.com>
8864 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8866 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8867 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8868 Check symbol flags instead of symbol name mangling.
8869 (xstormy16_asm_output_aligned_common): Likewise. Also
8870 simplify code since the bss100_section cass is the only case
8871 where the below100 code will be triggered.
8872 (xstormy16_encode_section_info): Encode below100 attribute
8873 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8875 (xstormy16_strip_name_encoding): Delete - this function is no
8877 (TARGET_STRIP_NAME_ENCODING): Undefine.
8878 * config/stormy16/stormy16-protos.h: Delete prototype for
8879 xstormy16_strip_name_encoding.
8881 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
8883 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8884 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8885 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8886 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8887 config/alpha/predicates.md, config/arc/arc.h,
8888 config/arm/arm.h, config/arm/ieee754-df.S,
8889 config/arm/ieee754-sf.S, config/bfin/bfin.c,
8890 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8891 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8892 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8893 config/m68hc11/m68hc11.h, config/mips/mips.c,
8894 config/mips/mips.h, config/mips/openbsd.h,
8895 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8896 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8897 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8898 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8899 config/sparc/linux.h, config/sparc/linux64.h,
8900 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8901 doc/extend.texi, doc/gcov.texi, doc/install.texi,
8902 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8903 typos. Follow spelling conventions.
8905 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
8908 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8909 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8910 specially. Check for side effects only for COND_EXPR.
8911 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8912 return with TREE_NO_WARNING.
8914 2005-08-06 Richard Sandiford <richard@codesourcery.com>
8916 PR rtl-optimization/23233
8917 * loop.c (combine_movables): Require the modes to be the same.
8918 (move_movables): Remove handling of cases where the replacement
8919 had a different mode to the original.
8921 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
8923 PR tree-optimization/23128
8924 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8925 subtraction wrap, and set TREE_OVERFLOW if they do.
8927 2005-08-05 Richard Henderson <rth@redhat.com>
8930 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8931 FORCED_LABEL labels.
8933 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
8936 * reload.c (find_reloads_subreg_address): Pass down TYPE
8937 unchanged. Change all callers except find_reloads_toplev.
8939 2005-08-05 Michael Matz <matz@suse.de>
8941 * genattrtab.c (current_alternative_string): Remove.
8942 (SIMPLIFY_ALTERNATIVE): Ditto.
8943 (attr_alt_bit_p): Ditto.
8944 (alternative_name): Make const char *.
8945 (evaluate_eq_attr): Remove use of above things.
8946 (simplify_test_exp): Ditto.
8947 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8948 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8950 2005-08-04 James E Wilson <wilson@specifix.com>
8952 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8953 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8954 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8955 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8956 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8958 2005-08-04 Richard Henderson <rth@redhat.com>
8961 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8962 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8963 * tree-sra.c (decide_block_copy): Use it. Disable element copy
8964 if we'd have to instantiate too many members.
8966 2005-08-04 Richard Henderson <rth@redhat.com>
8969 * tree-outof-ssa.c (coalesce_asm_operands): New.
8970 (coalesce_ssa_name): Use it. Split out ...
8971 (coalesce_phi_operands, coalesce_result_decls): ... these.
8973 2005-08-04 Paul Brook <paul@codesourcery.com>
8975 * read-rtl.c (read_quoted_string): Break if EOF.
8977 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
8979 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8980 (fold_build2): Likewise.
8981 (fold_build3): Likewise.
8982 (fold_build1_stat): New function prototype.
8983 (fold_build2_stat): Likewise.
8984 (fold_build3_stat): Likewise.
8985 * fold-const.c (fold_build1): Rename to ..
8986 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8987 through to build1_stat.
8988 (fold_build2): Rename to ..
8989 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8990 through to build2_stat.
8991 (fold_build3): Rename to ..
8992 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8993 through to build3_stat.
8995 2005-08-04 David Edelsohn <edelsohn@gnu.org>
8996 Ian Lance Taylor <ian@airs.com>
8998 * function.c (assign_stack_local_1): Do not correct stack slot
8999 address if allocation size is smaller than mode size.
9001 2005-08-04 Diego Novillo <dnovillo@redhat.com>
9004 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
9005 (tree_merge_blocks): Propagate anything allowed by
9007 Clarify documentation.
9008 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
9009 SSA form, schedule an update if necessary.
9011 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
9013 * doc/install.texi (Binaries): Remove broken link to
9014 Sinix/Reliant Unix binaries.
9016 2005-08-03 Richard Henderson <rth@redhat.com>
9019 * function.c (stack_protect_epilogue): Export.
9020 * tree.h (stack_protect_epilogue): Declare.
9021 * calls.c (expand_call): Call it.
9023 2005-08-03 Eric Christopher <echristo@apple.com>
9025 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
9026 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
9029 2005-08-04 Jan Hubicka <jh@suse.cz>
9031 * profile.c (branch_prob): Split edges with goto locus on them
9032 to get proper line counts.
9033 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
9035 2005-08-03 Paul Brook <paul@codesourcery.com>
9037 * function.c (assign_parms): Round current_function_args_size
9038 to PARM_BOUNDARY, not STACK_BOUNDARY.
9040 2005-08-03 Geoffrey Keating <geoffk@apple.com>
9042 * config/i386/i386.c (x86_elf_aligned_common)
9043 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
9045 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
9047 PR tree-optimization/23157
9048 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
9049 before emitting them.
9051 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9053 PR tree-optimization/19899
9054 * Makefile.in (tree-scalar-evolution.o): Add real.h.
9055 * tree-scalar-evolution.c: Include real.h.
9056 (add_to_evolution): Build constant -1 of correct type.
9058 2005-08-03 Jan Hubicka <jh@suse.cz>
9060 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
9061 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
9062 profile updating for complette unrolling.
9063 * loop-unroll.c (peel_loop_completely): Use it.
9064 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
9065 (tree_unroll_loops_completely): Disable code growing unrolling of cold
9068 2005-08-03 Paul Brook <paul@codesourcery.com>
9070 * combine.c (can_change_dest_mode): New function.
9071 (try_combine, simplify_set): Use it.
9073 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
9075 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
9078 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
9080 * doc/install.texi (Specific): Adjust link to openavr.org.
9081 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
9082 (Binaries): Adjust HP-UX Porting Center link.
9083 (Binaries): Adjust Free Software Foundation ordering link.
9085 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
9087 * convert.c (convert_to_integer): Use fold_build1 instead of
9088 build1 when converting an integer to an integer.
9090 2005-08-02 Richard Henderson <rth@redhat.com>
9092 * combine.c (combine_instructions): Don't use reg_equal/equiv
9093 results if the mode doesn't match.
9095 2005-08-02 Mark Mitchell <mark@codesourcery.com>
9097 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
9098 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
9100 2005-08-02 Richard Henderson <rth@redhat.com>
9103 * explow.c (memory_address): Remove special-case for
9104 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
9106 2005-08-02 Diego Novillo <dnovillo@redhat.com>
9109 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
9110 number of calls to cleanup_tree_cfg_1.
9112 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
9114 * doc/invoke.texi: document file extensions .F90 and .F95
9116 2005-08-02 Richard Guenther <rguenther@suse.de>
9118 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
9119 positive if its first argument is positive.
9121 2005-08-02 Richard Guenther <rguenther@suse.de>
9123 PR tree-optimization/23177
9124 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
9127 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
9129 PR tree-optimization/23129
9130 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
9131 varying for divisions with anti-ranges.
9133 2005-08-02 Jan Hubicka <jh@suse.cz>
9135 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
9136 * tree-ssa-threadupdate.c (thread_block): Add it here.
9138 2005-08-01 James E Wilson <wilson@specifix.com>
9140 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
9141 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
9142 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
9144 * config/mips/predicates.md (const_call_insn_operand): Add check for
9145 SYMBOL_REF_LONG_CALL_P.
9146 * doc/extend.texi (long_call): Document the new attribute.
9148 2005-08-01 Ian Lance Taylor <ian@airs.com>
9149 Richard Henderson <rth@redhat.com>
9151 * Makefile.in (RTL_BASE_H): Add real.h.
9152 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
9154 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
9156 * rtl.c (rtl_check_failed_code_mode): New.
9157 * rtl.h (struct rtx_def): Add u.rv.
9158 (XCMWINT, XCNMPRV): New.
9159 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
9160 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
9162 2005-08-01 Richard Henderson <rth@redhat.com>
9164 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
9165 with auto-inc codes.
9167 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
9169 2005-08-01 Jan Hubicka <jh@suse.cz>
9171 * i386-protos.h (asm_preferred_eh_data_format): Declare.
9172 * i386.c: Include dwarf2.h
9173 (asm_preferred_eh_data_format): New.
9174 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
9176 2005-08-01 Ian Lance Taylor <ian@airs.com>
9178 * config/host-linux.c (linux_gt_pch_get_address): Add new name
9179 randomize_va_space for virtual address randomization control.
9181 2005-08-01 Steven Bosscher <stevenb@suse.de>
9183 * common.opt (flag_ipa_cp): Put in right place to maintain
9186 2005-08-01 Jan Hubicka <jh@suse.cz>
9188 * profile.c (compute_value_histograms): Fix thinko.
9189 * value-prof.c: Include toplev.h
9190 (check_counter): New function.
9191 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
9192 tree_mod_subtract_transform): Add sanity check.
9194 2005-08-01 Richard Guenther <rguenther@suse.de>
9196 PR tree-optimization/23133
9197 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
9198 current functions parameter decls to find defs to cse
9201 2005-08-01 Richard Guenther <rguenther@suse.de>
9203 PR tree-optimization/23109
9204 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
9205 If trapping math is in effect, use post-dominator information
9206 to check if we'd in any case reach a trapping point before
9207 doing the reciprocal insertion.
9208 (execute_cse_reciprocals): Compute post-dominators, if necessary.
9209 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
9210 expressions are invariant only if trapping math is not in effect.
9212 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
9214 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
9215 cgraph_function_versioning): New declarations.
9216 * cgraphunit.c: Add include to ipa-prop.h.
9217 (update_call_expr, cgraph_copy_node_for_versioning,
9218 cgraph_function_versioning): New functions.
9219 * integrate.c (copy_decl_for_inlining): Remove.
9220 * ipa-prop.h (ipa_replace_map): New struct.
9221 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
9222 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
9223 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
9224 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
9225 ipcp_iterate_stage, ipcp_method_scale_print,
9226 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
9227 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
9228 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
9229 ipcp_update_bb_counts, ipcp_update_profiling,
9230 ipcp_update_edges_counts): New functions.
9231 (ipcp_method_cval_init): Remove restriction regarding local methods.
9232 (ipcp_init_stage): Add ipcp_method_compute_scale.
9233 (ipcp_insert_stage): Add versioning.
9234 (ipcp_structures_print): Add ipcp_method_scale_print.
9235 (ipcp_driver): Dump profiling info.
9236 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
9237 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
9238 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
9239 (struct inline_data): Add versioning_p, ipa_info, new fields.
9240 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
9241 declare_return_variable): Replace calls to copy_decl_for_inlining with
9243 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
9245 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
9246 Add argument VERSIONING.
9247 (copy_arguments_for_versioning, copy_static_chain,
9248 function_versionable_p, tree_versionable_function_p,
9249 tree_function_versioning, replace_ref_tree): New functions.
9250 * tree-inline.h: Include varray.h.
9251 (tree_versionable_function_p, tree_function_versioning,
9252 tree copy_decl_for_dup): New declarations.
9254 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
9256 * ipa-cp.c: New file. Contains IPCP specific functionality.
9257 * ipa-prop.h: New file. Contains structures/definitions that can be
9258 used by several interprocedural data flow optimizations (and also IPCP).
9259 * ipa-prop.c: New file.
9260 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
9261 * common.opt: Add ipa-cp flag.
9262 * timevar.def: Add IPCP optimization.
9263 * tree-optimize.c (init_tree_optimization_passes): Schedule
9265 * tree-pass.h (pass_ipa_cp): Declare.
9267 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
9269 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
9270 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
9271 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
9272 config/i386/i386.c, config/mips/mips.h,
9273 config/rs6000/rs6000.h, config/sh/sh.c,
9274 config/stormy16/stormy16.c: Fix comment typos.
9276 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
9279 * c-typeck.c (build_binary_op): Use common_type wrapper on
9281 (common_type): Update comment.
9283 2005-07-31 Steven Bosscher <stevenb@suse.de>
9286 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
9287 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
9288 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
9290 2005-07-31 Jan Hubicka <jh@suse.cz>
9292 * pretty-print.h (pp_widest_integer): New macro.
9293 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
9296 2005-07-31 Jan Hubicka <jh@suse.cz>
9298 * output.h (enum section_category): Export from varasm.c
9299 (categorize_decl_for_section): Likewise.
9300 * varasm.c (enum section_category): Kill.
9301 (categorize_decl_for_section): Make global.
9302 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
9304 * i386.c (ix86_section_threshold): New static variable.
9305 (ix86_in_large_data_p, ix86_encode_section_info,
9306 x86_64_elf_unique_section,
9307 x86_64_elf_select_section): New functions.
9308 (TARGET_ENCODE_SECTION_INFO): Define
9309 (override_options): Enable medium model for PIC.
9310 (ix86_expand_prologue): Expand gen_set_got_rex64.
9311 (legitimate_constant_p): Handle new UNSPECs.
9312 (legitimate_pic_address_disp_p): Likewise.
9313 (legitimize_pic_address): Lower MEDIUM model addressing.
9314 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
9315 (enum cmodel): Add MEDIUM_PIC.
9316 (SYMBOL_REF_FAR_ADDR_P): New macro.
9317 (SYMBOL_FLAG_FAR_ADDR): New flag.
9318 * i386.md (movdi): Support medium model.
9319 (set_got_rex64): New pattern.
9320 * i386.opt (mlarge-data-threshold): New flag.
9321 * predicates.md (zext_operand/sext_operand): Deal with medium model.
9322 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
9323 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
9324 TARGET_ASM_UNIQUE_SECTION): New.
9326 * invoke.texi (-mlarge_data_threshold): Document
9328 2005-07-31 Jan Hubicka <jh@suse.cz>
9330 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
9331 (coalesce_vars): Likewise.
9332 * tree-ssa-live.c (coalesce_cost): New.
9333 (build_tree_conflict_graph): Use coalesce_cost.
9334 * tree-ssa-live.h (coalesce_cost): Declare.
9336 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
9338 * arm.md (all peepholes for post-increment operations): Delete.
9339 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
9340 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
9341 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
9342 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
9343 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
9345 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
9347 * fold-const.c (tree_expr_nonnegative_p): Always return true for
9350 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
9353 * doc/invoke.texi: Document -rdynamic.
9355 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
9358 * c-parser.c (c_parser_parms_list_declarator): Call
9359 mark_forward_parm_decls.
9360 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
9361 decls with visibility structure.
9363 2005-07-30 Paul Brook <paul@codesourcery.com>
9365 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
9367 2005-07-30 Paul Brook <paul@codesourcery.com>
9369 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
9371 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
9373 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
9375 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9378 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
9379 nested function declarators.
9380 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
9381 (grokparms): Call warn_if_shadowing for parameters used within the
9383 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
9384 not used within the parameter list.
9385 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
9387 2005-07-30 Jan Hubicka <jh@suse.cz>
9389 * expr.c (expand_expr_real_1): Do not load mem targets into register.
9390 * i386.c (ix86_fixup_binary_operands): Likewise.
9391 (ix86_expand_unary_operator): Likewise.
9392 (ix86_expand_fp_absneg_operator): Likewise.
9393 * optabs.c (expand_vec_cond_expr): Validate dest.
9395 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9398 * real.c (real_from_string): Also set last bit if there is a
9399 nonzero hex digit beyond GCC's internal precision after ".".
9401 2005-07-29 David Edelsohn <edelsohn@gnu.org>
9403 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
9404 define_constants. Change duplicate values to unassigned numbers.
9405 Change UNSPEC_SUBS to UNSPEC_VSUBS.
9406 (*altivec_vspltsf): New.
9407 (altivec_vperm_v4sf): Delete.
9408 (altivec_vperm_<mode>): Use mode macro V.
9409 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
9410 (altivec_predicate_v4sf): Delete.
9411 (altivec_predicate_<mode>): Use mode macro V.
9412 (*altivec_lvesfx): New.
9413 (*altivec_stvesfx): New.
9414 (vec_realign_load_v4sf): Delete.
9415 (vec_realign_load_<mode>): Use mode macro V.
9416 * config/rs6000/rs6000.c (generate_set_vrsave): Use
9419 2005-07-29 Mark Mitchell <mark@codesourcery.com>
9422 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
9424 * configure: Regenerated.
9426 2005-07-29 Paul Brook <paul@codesourcery.com>
9428 * doc/install.texi: Add link to GFortran binaries wiki page.
9430 2005-07-29 David Ung <davidu@mips.com>
9432 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
9433 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
9434 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
9435 * config/mips/mips.md (cpu): Add 5kf name.
9436 (includes): Includes 5k.md.
9437 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
9438 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
9441 2005-07-29 Diego Novillo <dnovillo@redhat.com>
9444 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
9445 (cleanup_tree_cfg): ... here.
9446 Call cleanup_tree_cfg_1 until there are no more cleanups to
9449 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
9451 * tree-vrp.c (compare_range_with_value): Return true or false
9452 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
9453 EQ_EXPR respectively.
9455 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
9457 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
9460 2005-07-29 Diego Novillo <dnovillo@redhat.com>
9462 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
9463 (tree_ssa_dominator_optimize): Increment it.
9464 (dump_dominator_optimization_stats): Print it.
9466 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
9467 Steven Bosscher <stevenb@suse.de>
9469 PR rtl-optimization/23117
9470 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
9471 when head == tail. Tidy comment.
9473 2005-07-28 Richard Henderson <rth@redhat.com>
9475 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
9476 * cselib.c (rtx_equal_for_cselib_p): Likewise.
9477 * jump.c (rtx_renumbered_equal_p): Likewise.
9478 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
9479 CONST_INT and CONST_DOUBLE.
9480 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
9481 * reload.c (operands_match_p): Special case CONST_INT and
9482 CONST_DOUBLE; check mode earlier.
9484 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9487 * c-typeck.c (convert_for_assignment): Do not check
9488 DECL_IN_SYSTEM_HEADER on NULL fundecl.
9490 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9493 * c-typeck.c (composite_type): Prefer constant size arrays to
9496 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9499 * real.c (real_from_string): Set last bit if there is a nonzero
9500 hex digit beyond GCC's internal precision.
9502 2005-07-28 Richard Henderson <rth@redhat.com>
9505 * cfgcleanup.c (try_forward_edges): Watch out for end of
9508 2005-07-28 James E Wilson <wilson@specifixinc.com>
9511 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
9513 2005-07-28 Jan Hubicka <jh@suse.cz>
9515 * Makefile.in (rtl-profile.o): Kill all traces of it.
9516 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
9517 * coverage.h (rtl_coverage_counter_ref): Kill.
9518 * opts.c (flag_speculative_prefetching_set): Kill.
9519 (flag_loop_optimize_set): New.
9520 (common_handle_option): Disable loop optimizer when profiling;
9521 do not handle speculative prefetching.
9522 * passes.c (init_optimization_passes): Replace pass_profiling combo
9523 by branch_prob pass.
9524 * profile.c (compute_value_histograms): Update for simplified value
9526 (rtl_register_profile_hooks): Kill.
9527 (pass_profiling): Kill.
9528 (rest_of_handle_branch_prob): Do not profile.
9529 * toplev.c (process_options): Remove speculative prefetching.
9530 * toplev.h (flag_tree_based_profiling): Kill.
9531 * tree-profile.c (prepare_instrumented_value,
9532 tree_gen_interval_profiler, tree_gen_pow2_profiler,
9533 tree_gen_one_value_profiler, do_tree_profiling): Update for
9534 simplified datastructures.
9535 * value-prof.c: Add comment that speculative prefetching was dropped;
9536 update rest of file for simplified datastructures.
9537 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9538 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9539 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9540 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9541 rtl_mod_subtract, gen_speculative_prefetch,
9542 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9543 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9544 (gate_handle_value_profile_transformations,
9545 rest_of_handle_value_profile_transformations,
9546 pass_value_profile_transformations): Kill.
9547 * value-prof.h (histogram_value_t): Remove IL based unions.
9548 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9549 rtl_profile_hooks): Remove hooks.
9551 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9553 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9554 (cgraph_clone_node): Likewise.
9555 * cgraph.h (cgraph_clone_edge): Update prototype.
9556 (cgraph_clone_node): Likewise.
9557 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9559 (lookup_recursive_calls): Consider profile.
9560 (cgraph_decide_recursive_inlining): Fix updating; use new
9561 probability argument; use profile.
9562 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9563 * tree-inline.c (copy_bb): Update clal of clone_edge.
9564 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9566 * invoke.texi (min-inline-recursive-probability): Document.
9568 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
9570 * doc/install.texi (Configuration): Update Valgrind homepage.
9572 2005-07-28 Richard Henderson <rth@redhat.com>
9575 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9576 labels we want to delete.
9577 (cfg_layout_merge_blocks): Likewise.
9579 2005-07-28 Richard Henderson <rth@redhat.com>
9582 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9583 when expanding to nothing.
9585 2005-07-28 Josh Conner <jconner@apple.com>
9587 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9588 (cgraph_decide_inlining_of_small_functions): Likewise.
9590 2005-07-28 Josh Conner <jconner@apple.com>
9592 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
9593 direction of badness if negative.
9594 (cgraph_default_inline_p): Add reason to parameters, and assign it
9596 (cgraph_decide_inlining_of_small_functions): New parameter in call
9597 to cgraph_default_inline_p.
9598 (cgraph_decide_inlining_incrementally): Likewise.
9599 * cgraphunit.c (decide_is_function_needed): Likewise.
9600 * cgraph.h (cgraph_default_inline_p): Likewise.
9602 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9604 * builtins.c: Fix comment typo(s).
9605 * genautomata.c: Likewise.
9606 * gimplify.c: Likewise.
9607 * tree-dfa.c: Likewise.
9608 * tree-flow-inline.h: Likewise.
9609 * tree-into-ssa.c: Likewise.
9610 * tree-ssa-alias.c: Likewise.
9611 * tree-ssa-ccp.c: Likewise.
9612 * tree-ssa-copy.c: Likewise.
9613 * tree-ssa-dce.c: Likewise.
9614 * tree-ssa-dom.c: Likewise.
9615 * tree-ssa-operands.c: Likewise.
9616 * tree-tailcall.c: Likewise.
9617 * tree-vectorizer.c: Likewise.
9618 * tree-vrp.c: Likewise.
9621 2005-07-28 Jeff Law <law@redhat.com>
9623 * tree-vrp.c (test_for_singularity): Extracted from ...
9624 (simplify_cond_using_ranges): Attempt to simplify a relational
9625 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
9627 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
9629 PR tree-optimization/22506
9630 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9631 phis whose argument is constant.
9633 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
9635 PR rtl-optimization/18992
9636 Back out this patch:
9637 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9638 PR optimization/12142
9639 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9640 uses of the register in the SET_SRC. Remove unnecessary argument.
9642 Replace it with this:
9643 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9644 if flag_non_call_exceptions is set and the insn may trap, pass
9645 pc_rtx as dest for recursion.
9646 In SET_SRC part of SET case, if dest is already set, pass it down
9649 2005-07-28 Jan Hubicka <jh@suse.cz>
9651 * cfg.c (update_bb_profile_for_threading): Use RDIV.
9652 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9653 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9655 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9656 profile when available.
9658 2005-07-28 Jan Beulich <jbeulich@novell.com>
9660 * config/ia64/ia64.c (ia64_load_pair_ok): New.
9661 (ia64_print_operand): Describe and handle 'X'.
9662 (ia64_register_move_cost): Also handle FP_REGS.
9663 (ia64_preferred_reload_class): Likewise.
9664 (ia64_secondary_reload_class): Likewise.
9665 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9666 it. Also check for ITANIUM_CLASS_FLDP.
9667 * config/ia64/ia64.h (FP_REGNO_P): New.
9668 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9669 (reg_class): Add FP_REGS.
9670 (REG_CLASS_NAMES): Adjust for it.
9671 (REG_CLASS_CONTENTS): Likewise.
9672 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9673 (REG_CLASS_FROM_LETTER): Handle 'x'.
9674 (CLASS_MAX_NREGS): Handle FP_REGS.
9675 (MEMORY_MOVE_COST): Likewise.
9676 * config/ia64/ia64.md (itanium_class): Add fldp.
9677 (type): Handle fldp.
9678 (movti_internal): More allowable operand combinations. Use ldfp8 when
9679 splitting unnecessary. Remove predicable attribute. Adjust
9680 itanium_class attribute.
9681 (smuldi3_highpart): Remove outdated comment.
9682 (mulditi3, umulditi3, rotlti3): New expanders.
9683 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9684 (absti2): Disabled new insn for future reference.
9685 Respective new splitters.
9686 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9687 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9688 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9690 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
9692 PR rtl-optimization/23047
9693 * simplify-rtx.c (simplify_const_relational_operation): Respect
9694 flag_wrapv for comparisons with ABS.
9696 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
9698 PR tree-optimization/22493
9699 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9700 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9702 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
9704 * config/frv/frv.opt (moptimize-membar): New.
9706 * doc/invoke.texi: Document -moptimize-membar and its inverse.
9708 * config/frv/frv.h: Remove machine_function definition.
9710 * config/frv/frv.c (struct frv_io): New.
9711 (struct machine_function): Moved from frv.h. Add has_membar_p.
9712 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9713 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9714 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9715 (frv_optimize_membar_global, frv_optimize_membar): New functions.
9716 (frv_reorg): Call frv_optimize_membar when appropriate.
9717 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9718 (frv_expand_builtin): Adjust calls accordingly.
9719 (frv_io_address_cookie): New function.
9720 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9721 load or store rather than a special insn. Add ccnstant address and
9722 io-type operands to the membar.
9723 (frv_ifcvt_modify_tests): Unsign regno.
9724 (frv_ifcvt_modify_tests): Same.
9726 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
9727 UNSPEC_OPTIONAL_MEMBAR constant.
9728 (builtin_read_<mode>): Delete.
9729 (builtin_write_<mode>): Delete.
9730 ("optional_membar_<mode>"): Add operand.
9732 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9733 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9734 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9735 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9736 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9737 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9738 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9739 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9740 * testsuite/gcc.target/frv/all-read-write-1.c: New.
9742 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
9744 * df.c (df_uses_record): Handle SCRATCH.
9746 2005-07-28 Steven Bosscher <stevenb@suse.de>
9749 * passes.c (rest_of_decl_compilation): If decl is a type and
9750 we have encountered errors, don't emit debug information.
9752 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9754 * params.def: Fixed comment.
9756 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
9759 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9760 (TARGET_ASM_UNALIGNED_HI_OP): Add.
9761 (TARGET_ASM_UNALIGNED_SI_OP): Add.
9763 2005-07-27 Steven Bosscher <stevenb@suse.de>
9766 * varasm.c (assemble_start_function): Don't do anything that may
9767 require a CFG if the current function is a thunk.
9769 2005-07-25 Geoffrey Keating <geoffk@apple.com>
9771 * doc/install.texi (Prerequisites): Mention that perl is needed
9772 to do export control in libstdc++ targetting Darwin.
9774 2005-07-27 Steven Bosscher <stevenb@suse.de>
9776 PR rtl-optimization/17808
9777 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9778 (sched_insns_conditions_mutex_p): Split out from...
9779 (add_dependence): ...here. But don't call it from here.
9780 (add_dependence_list): Check sched_insns_conditions_mutex_p
9781 before calling add_dependence.
9782 (add_dependence_list_and_free): Likewise.
9783 (fixup_sched_groups): Likewise.
9784 (sched_analyze_1): Likewise.
9785 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9786 (sched_analyze): Likewise.
9787 (sched_analyze_insn): Likewise.
9788 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9789 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
9790 dependencies on all COND_EXEC insns to jumps ending basic blocks
9791 when doing intrablock scheduling.
9792 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9794 2005-07-27 Jeff Law <law@redhat.com>
9796 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9797 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
9798 equivalency sets, correctly handle the case were vr0 has an
9799 equivalency set, but vr1 does not.
9801 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
9803 PR tree-optimization/23073
9804 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9805 vect_print_dump_info before fprintf.
9807 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9809 PR tree-optimize/22348
9810 * tree-ssa-loop-niter.c (number_of_iterations_cond):
9811 Fold the partial computation.
9813 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9815 PR tree-optimization/22325
9816 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9818 * tree-scalar-evolution.c (scev_const_prop): Add generic final
9820 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9821 (force_var_cost): ... this function.
9822 (compute_phi_arg_on_exit): Export.
9824 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9826 PR tree-optimization/20773
9827 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9830 2005-07-27 Richard Guenther <rguenther@suse.de>
9832 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9833 Avoid pushing again if current struct contains only
9834 fields we decomposed.
9836 2005-07-27 Jan Hubicka <jh@suse.cz>
9838 PR tree-optimization/22574
9839 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9842 * tree-tailcall.c (decrease_profile): New function.
9843 (eliminate_tail_call): Use it.
9845 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9846 visibility flags correctly in whole program mode.
9848 2005-07-26 Steve Ellcey <sje@cup.hp.com>
9850 PR rtl-optimization/22472
9851 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9853 2005-07-26 Steven Bosscher <stevenb@suse.de>
9855 PR tree-optimization/22504
9856 * tree-complex.c (expand_complex_addition): Use 'code' instead
9857 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9859 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9861 * config.gcc (cpu_type): Add frv case.
9862 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9863 (supported_defaults): Add fr550 case.
9865 2005-07-26 Diego Novillo <dnovillo@redhat.com>
9868 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9869 whether a pointer of type T * may point to objects of type T *.
9871 2005-07-26 DJ Delorie <dj@redhat.com>
9873 * configure: Regenerate.
9875 2005-07-26 Dale Johannesen <dalej@apple.com>
9877 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
9879 2005-07-26 Mark Mitchell <mark@codesourcery.com>
9881 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9882 Clarify use of "build" in name.
9884 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9886 * doc/extend.texi (Raw read/write Functions): New section.
9887 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9888 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9889 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9890 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9891 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9892 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9893 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9894 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9895 * config/frv/frv.c: Add bdesc_loads global.
9896 Add bdesc_stores global.
9897 (frv_init_builtins): Add support for __builtin_{read/write}*.
9898 (frv_volatile_memref): New.
9899 (frv_expand_load_builtin): New.
9900 (frv_expand_store_builtin): New.
9901 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9902 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9903 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9904 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9905 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9906 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9907 (builtin_read_<mode>): New.
9908 (builtin_write_<mode>): New.
9909 (builtin_write64): New.
9910 (optional_membar_<mode>): New.
9912 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
9914 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9915 (rather than units) against HOST_BITS_PER_WIDE_INT.
9917 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
9919 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9920 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9921 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9922 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9925 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9926 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9927 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9929 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9931 2005-07-26 Richard Guenther <rguenther@suse.de>
9933 PR tree-optimization/22486
9934 * fold-const.c (fold_unary): Fold away useless component
9935 references of the form (T *)&T.x, if the address
9938 2005-07-25 James E Wilson <wilson@specifixinc.com>
9940 * dwarf2out.c (add_call_src_coords_attributes): New.
9941 (gen_inlined_subroutine_die): Call it.
9942 (maybe_emit_file, init_file_table): Add comments.
9943 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9945 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9946 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9947 * tree.h (BLOCK_SOURCE_LOCATION): New.
9948 (struct tree_block): New field locus.
9950 2005-07-26 Andreas Schwab <schwab@suse.de>
9952 PR rtl-optimization/23043
9953 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9954 when allocating a struct unoccr.
9956 2005-07-25 Richard Henderson <rth@redhat.com>
9959 * tree-complex.c (gate_no_optimization): True if errors.
9960 * Makefile.in (tree-complex.o): Update dependencies.
9962 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
9964 * config/frv/predicates.md (integer_register_operand): Use
9967 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9970 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9972 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9974 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9976 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9977 types when flag_unsafe_math_optimizations is true.
9979 2005-07-25 Mark Mitchell <mark@codesourcery.com>
9981 * gcc.c (option_map): Add --sysroot.
9982 (process_command): Handle --sysroot.
9983 (display_help): Document it.
9984 * doc/cppopts.tex (-isysroot): Document.
9985 * doc/invoke.texi (--sysroot): Document.
9986 * doc/install.texi (--with-build-sysroot): Document.
9988 * Makefile.in (inhibit_libc): New variable.
9989 (INHIBIT_LIBC_CFLAGS): Likewise.
9990 (LIBGCC2_CFLAGS): Include
9991 $(INHIBIT_LIBC_CFLAGS).
9992 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9993 ($(T)crtbegin.o): Do not use @inhibit_libc@.
9994 ($(T)crtend.o): Likewise.
9995 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9996 ($(T)crtendS.o): Likewise.
9997 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9998 ($(T)crtendT.o): Likewise.
9999 (stmp-fixinc): Do not complain about missing headers if
10001 * configure.ac (inhibit_libc): Set it to true/false.
10002 (--with-build-sysroot): New option. Use it to set
10004 * configure: Regenerated.
10006 2005-07-25 Manfred Hollstein <mh@suse.com>
10008 * calls.c (store_one_arg): Fix unsigned comparison warning.
10010 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
10013 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
10014 (ggc_print_statistics): Initialize variable before use.
10016 2005-07-25 Richard Guenther <rguenther@suse.de>
10018 * tree-dfa.c (mark_new_vars_to_rename): Protect against
10019 calling with a PHI_NODE argument.
10021 * tree-flow-inline.h (overlap_subvar): Protect against
10024 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
10026 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
10027 * configure: Regenerate.
10029 2005-07-25 Ira Rosen <irar@il.ibm.com>
10031 * expr.c (highest_pow2_factor): Make extern.
10032 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
10033 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
10034 record_array_differ_p, array_ptr_differ_p): Likewise.
10035 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
10036 additional cases. Call the above functions.
10037 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
10038 base_object_differ_p when there are two base objects. Otherwise, compare
10039 base address and offset. Call may_alias_p.
10040 (dump_data_reference): Use a correct field name.
10041 (analyze_array): Make static. Initialize new data-ref fields.
10042 (analyze_indirect_ref): New function.
10043 (init_data_ref): Initialize new data-ref fields.
10044 (strip_conversion): Moved from tree-vect-analyze.c.
10045 (analyze_offset_expr, get_ptr_offset, address_analysis,
10046 object_analysis): Likewise.
10047 (analyze_offset): New function.
10048 (create_data_ref): Likewise.
10049 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
10050 dimensions for ARRAY_REFs only.
10051 (build_classic_dist_vector): Make static.
10052 (access_functions_are_affine_or_constant_p): Call macro to get the
10053 address of access functions.
10054 (compute_all_dependences): Add new parameter
10055 compute_self_and_read_read_dependences. Compute self and read-read
10056 dependences if it is true.
10057 (find_data_references_in_loop): Call create_data_ref. Initialize new
10059 (compute_data_dependences_for_loop): Add new parameter
10060 compute_self_and_read_read_dependences. Remove parameter nb_loops,
10061 compute nb_loops. Call compute_all_dependences,
10062 build_classic_dist_vector and build_classic_dir_vector with correct
10064 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
10065 with correct parameters. Compare dimensions for ARRAY_REFs only.
10066 (free_data_refs): Call macro to free access functions.
10067 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
10068 fields from stmt_vinfo.
10069 (struct base_object_info): New structure.
10070 (struct data_reference): Move fields to base_object_info. Add fields
10071 first_location and object_info for above structures. Move fields from
10072 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
10073 aligned_to. Add macros to access the new fields.
10074 Update functions declarations.
10075 * tree-flow.h (is_aliased_with): Declare.
10076 * tree-loop-linear.c (linear_transform_loops): Call
10077 compute_data_dependences_for_loop with correct parameters.
10078 * tree-ssa-alias.c (is_aliased_with): New function.
10079 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
10080 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
10081 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
10082 vect_base_addr_differ_p, compute_subscript_distance and
10083 build_classic_dist_vector. Add printings. Check absolute value of
10085 (vect_analyze_data_ref_dependences): Go through ddrs instead of
10087 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
10088 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
10089 to bytes. Add printing.
10090 (vect_compute_data_refs_alignment): Go through loads and stores in one
10092 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
10093 vect_analyze_data_ref_access): Likewise.
10094 (vect_analyze_pointer_ref_access): Remove.
10095 (vect_address_analysis, vect_object_analysis): Likewise.
10096 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
10097 and analyze data-refs in the loop.
10098 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
10099 fields of data-ref instead of stmt. Add init to the offset from the
10101 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
10102 (vect_update_init_of_dr): Likewise.
10103 (vect_update_inits_of_drs): Go through loads and stores in one loop.
10104 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
10106 (new_loop_vec_info): Initialize new fields.
10107 (destroy_loop_vec_info): Free new fields.
10108 (vect_strip_conversion): Remove.
10109 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
10110 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
10111 datarefs. Add new field ddrs.
10112 Add macros for the new fields access.
10113 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
10114 base_aligned_p, misalignment, memtag, ptr_info and subvars.
10115 Remove their macros.
10116 * tree.h (highest_pow2_factor): Declare.
10118 2005-07-25 Jakub Jelinek <jakub@redhat.com>
10120 * calls.c (store_one_arg): Check for sibling call MEM arguments
10121 from already clobbered incoming argument area.
10123 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10125 * c-common.c (check_missing_format_attribute): New.
10126 * c-common.h (check_missing_format_attribute): Likewise.
10127 * c-typeck.c (convert_for_assignment): Use it.
10129 2005-07-24 Andreas Schwab <schwab@suse.de>
10131 * config/m68k/m68k.md ("extendqidi2"): When source is an address
10132 register use a word move. Correct operand of ext.w in 68000 code.
10134 2005-07-23 Mark Mitchell <mark@codesourcery.com>
10136 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
10137 variables as declarations, rather than definitions.
10139 2005-07-24 Ira Rosen <irar@il.ibm.com>
10141 PR tree-optimization/22526
10142 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
10145 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10147 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
10148 that C99 reserve for future use. Use it to define clog10,
10149 clog10f and clog10l.
10151 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10153 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
10154 * configure.ac: Check for -Wmissing-format-attribute.
10156 * configure: Regenerate.
10158 2005-07-23 Richard Henderson <rth@redhat.com>
10160 PR tree-optimization/22623
10161 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
10163 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
10166 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
10168 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10170 * Makefile.in (C_TREE_H): Update dependencies.
10171 * c-tree.h: Include toplev.h.
10172 * diagnostic.h (diagnostic_set_info): Add format attribute.
10173 * rtl-error.c (diagnostic_for_asm): Likewise.
10175 2005-07-23 Chao-ying Fu <fu@mips.com>
10177 * config/mips/mips-dsp.md: New file.
10178 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
10179 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
10181 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
10182 MIPS_BUILTIN_BPOSGE32.
10183 (mips_expand_builtin_direct): Add one parameter to indicate that
10184 builtin functions need to return a value.
10185 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
10187 (mips_regno_to_class): Add classes for 12 new DSP registers.
10188 (mips_subword): Change to check four HI registers.
10189 (mips_output_move): Output move to and from 6 new DSP accumulators.
10190 (override_options): Make sure -mdsp and -mips16 are not used together.
10191 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
10193 (mips_conditional_register_usage): Disable 6 new DSP accumulators
10195 (print_operand): Add 'q' for printing DSP accumulators.
10196 (mips_cannot_change_mode_class): Check ACC_REGS.
10197 (mips_secondary_reload_class): Check ACC_REGS.
10198 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
10199 (mips_register_move_cost): Check ACC_REGS.
10200 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
10201 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
10202 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
10203 (dsp_bdesc): New array.
10204 (bdesc_arrays): Add DSP builtin function table.
10205 (mips_prepare_builtin_arg): Check predicate again after
10207 (mips_expand_builtin): Add one more parameter to
10208 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
10209 MIPS_BUILTIN_BPOSGE32.
10210 (mips_init_builtins): Initialize new function types.
10211 (mips_expand_builtin_direct): Check if builtin functions need to
10212 return a value and pass operands properly.
10213 (mips_expand_builtin_bposge): New function.
10214 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
10215 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
10216 (FIRST_PSEUDO_REGISTER): Increase to 188.
10217 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
10218 Update for 12 new DSP registers.
10219 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
10220 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
10221 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
10222 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
10223 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
10224 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
10225 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
10226 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
10227 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
10228 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
10229 (REGISTER_NAMES): Add names for 12 new DSP registers.
10230 * config/mips/mips.md: Include mips-dsp.md.
10231 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
10232 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
10233 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
10234 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
10235 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
10236 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
10237 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
10238 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
10239 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
10240 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
10241 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
10242 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
10243 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
10244 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
10245 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
10246 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
10247 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
10248 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
10249 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
10250 (UNSPEC_RDDSP): New constants.
10251 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
10252 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
10254 * config/mips/mips.opt (-mdsp): New option.
10255 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
10256 (reg_imm10_operand): New predicates.
10257 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
10258 * doc/invoke.texi (-mdsp): Document new option.
10260 2005-07-22 DJ Delorie <dj@redhat.com>
10262 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
10264 * tree-inline.c (inlinable_function_p): Likewise.
10266 2005-07-22 Mark Mitchell <mark@codesourcery.com>
10269 * toplev.c (check_global_declarations): Do not mark undefined
10270 variables as DECL_IGNORED_P.
10271 * varasm.c (first_global_object_name): GTY it.
10272 (weak_global_object_name): Likewise.
10273 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
10274 a string to go into {weak,first}_global_object_name.
10276 2005-07-22 DJ Delorie <dj@redhat.com>
10278 * c-format.c (check_function_format): Change warning control
10279 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
10281 2005-07-22 Diego Novillo <dnovillo@redhat.com>
10283 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
10284 &PTR->FLD a dereference of PTR.
10285 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
10286 a potential dereference of PTR.
10288 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
10290 PR rtl-optimization/20370
10291 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
10292 call allocate_reg_info if necessary.
10294 PR rtl-optimization/21848
10295 * calls.c (emit_library_call_value_1): For const functions, add
10296 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
10298 PR rtl-optimization/22445
10299 * cselib.c (target.h): Include.
10300 (rtx_equal_for_cselib_p): Allow commutative matches.
10301 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
10302 Remove MODE parameter. Changed all callers.
10304 PR rtl-optimization/22258
10305 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
10307 (try_combine): Use likely_spilled_retval_p.
10309 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
10311 * config.gcc: Add crx-elf support.
10313 * doc/contrib.texi: Mention crx.
10314 * doc/extend.texi: Document crx extensions.
10315 * doc/install.texi: Document crx install.
10316 * doc/invoke.texi: Document crx options.
10317 * doc/md.texi: Document crx constraints.
10319 * config/crx/crx-protos.h: New file.
10320 * config/crx/crx.c: New file.
10321 * config/crx/crx.h: New file.
10322 * config/crx/crx.md: New file.
10323 * config/crx/crx.opt: New file.
10324 * config/crx/t-crx: New file.
10326 2005-07-22 Manfred Hollstein <mh@suse.com>
10328 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
10330 (int_add_graph_edge): Likewise.
10331 (collapse_nodes): Likewise.
10332 (process_unification_queue): Likewise.
10334 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10335 Laurent GUERBY <laurent@guerby.net>
10337 PR tree-optimization/22336
10338 * function.c (record_block_change): Check for
10339 cfun->ib_boundaries_block.
10341 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
10343 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
10344 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
10346 2005-07-21 DJ Delorie <dj@redhat.com>
10348 * toplev.c (warn_deprecated_use): Add warning control to warning
10350 * c-typeck.c (parser_build_binary_op): Likewise.
10351 (c_finish_if_stmt): Likewise.
10352 * c-common.c (check_function_sentinel): Likewise.
10353 (check_nonnull_arg): Likewise.
10355 2005-07-21 Richard Henderson <rth@redhat.com>
10358 * tree-complex.c (complex_ssa_name_components): New.
10359 (cvc_lookup): Allow entry not found.
10360 (create_components): Remove.
10361 (create_one_component_var, get_component_var): New.
10362 (get_component_ssa_name, set_component_ssa_name): New.
10363 (extract_component): Use get_component_ssa_name.
10364 (update_complex_components): Use set_component_ssa_name.
10365 (update_complex_components_on_edge): Likewise.
10366 (update_phi_components): Create new PHI nodes directly, instead
10367 of adding insns to edges.
10368 (tree_lower_complex): Allocate and free complex_variable_components
10369 and complex_ssa_name_components here.
10371 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
10373 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
10374 revert to returning false.
10376 2005-07-21 Uros Bizjak <uros@kss-loka.si>
10379 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
10381 2005-07-21 Uros Bizjak <uros@kss-loka.si>
10384 * config/i386/i386.md (cmpxf): Change operand constraints
10385 to "nonmemory_operand".
10387 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10389 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
10391 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10393 PR middle-end/21180
10394 * fold-const.c (fold_build1): Add checksum for the operands.
10395 (fold_build2): Likewise.
10396 (fold_build3): Likewise.
10398 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10400 PR middle-end/19055
10401 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
10403 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10405 * common.opt (-fforward-propagate): Committed by mistake,
10408 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10410 * reg-stack.c: Fix comment typo(s).
10411 * tree-ssa-operands.c: Likewise.
10412 * tree-vectorizer: Likewise.
10414 2005-07-21 Nick Clifton <nickc@redhat.com>
10416 * config/sh/symbian.c: Replace C++ style line comments with C
10417 style line comments.
10418 (symbian_add_attribute): Do not use a ? operator on the LHS of
10420 (sh_symbian_handle_dll_attribute): Change the type of the
10421 method vector to "VEC(tree,gc)*" and use vector accessor
10422 macros to walk over the elements.
10423 (symbian_export_vtable_and_rtti_p): Likewise.
10424 (symbian_class_needs_attribute_p): Likewise.
10426 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10429 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
10430 initialize targetm.resolve_overloaded_builtin here.
10431 (altivec_expand_overloaded_builtin): Make it non-static.
10432 * config/rs6000/rs6000-protos.h
10433 (altivec_expand_overloaded_builtin): New prototype.
10434 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
10435 targetm.resolve_overloaded_builtin here.
10436 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
10438 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10439 Zdenek Dvorak <dvorakz@suse.cz>
10441 PR tree-optimization/19210
10442 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
10444 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
10445 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
10446 rely on unproven assumptions.
10447 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
10448 * tree-flow.h (number_of_iterations_exit): Add final parameter.
10449 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
10450 to number_of_iterations_exit.
10451 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
10452 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
10453 * tree-ssa-loop-niter.c (find_loop_niter,
10454 estimate_numbers_of_iterations_loop): Likewise.
10455 (number_of_iterations_exit): Honor the new options.
10456 * doc/invoke.texi (Wunsafe-loop-optimizations,
10457 funsafe-loop-optimizations): Document them.
10459 2005-07-21 Richard Sandiford <richard@codesourcery.com>
10461 PR rtl-optimization/22167
10462 * gcse.c (hoist_code): Fix hoist_exprs[] check.
10464 2005-07-20 Adam Nemet <anemet@lnxw.com>
10466 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
10467 __do_global_dtors_aux longcall.
10469 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
10471 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
10472 (old_special_pred_table): Don't reference
10473 SPECIAL_MODE_PREDICATES.
10474 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
10475 * config/arc/arc.h: Don't mention PREDICATE_CODES.
10476 * config/sh/predicates.h: Don't mention
10477 SPECIAL_MODE_PREDICATES.
10478 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
10481 2005-07-20 DJ Delorie <dj@redhat.com>
10483 * config.gcc: Add m32c-elf support.
10485 * doc/contrib.texi: Mention m32c.
10486 * doc/extend.texi: Document m32c extensions.
10487 * doc/install.texi: Mention m32c.
10488 * doc/invoke.texi: Document m32c options.
10489 * doc/md.texi: Document m32c constraints.
10491 * config/m32c/addsub.md: New file.
10492 * config/m32c/bitops.md: New file.
10493 * config/m32c/cond.md: New file.
10494 * config/m32c/jump.md: New file.
10495 * config/m32c/m32c-lib1.S: New file.
10496 * config/m32c/m32c-lib2.c: New file.
10497 * config/m32c/m32c-modes.def: New file.
10498 * config/m32c/m32c-pragma.c: New file.
10499 * config/m32c/m32c-protos.h: New file.
10500 * config/m32c/m32c.abi: New file.
10501 * config/m32c/m32c.c: New file.
10502 * config/m32c/m32c.h: New file.
10503 * config/m32c/m32c.md: New file.
10504 * config/m32c/m32c.opt: New file.
10505 * config/m32c/minmax.md: New file.
10506 * config/m32c/mov.md: New file.
10507 * config/m32c/muldiv.md: New file.
10508 * config/m32c/predicates.md: New file.
10509 * config/m32c/prologue.md: New file.
10510 * config/m32c/shift.md: New file.
10511 * config/m32c/t-m32c: New file.
10513 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10515 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
10516 (stack_protect_set, stack_protect_test): New expanders.
10517 (stack_protect_set_si, stack_protect_set_si_media,
10518 stack_protect_set_di_media, stack_protect_test_si,
10519 stack_protect_test_si_media, stack_protect_test_di_media):
10522 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
10524 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10526 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
10528 * tree.h (tree_expr_nonzero_p): Export.
10529 * fold-const.c (tree_expr_nonzero_p): Likewise.
10530 Return true for CALL_EXPRs that are alloca calls.
10531 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10533 * tree-flow.h (expr_computes_nonzero): Remove.
10534 * tree-vrp.c (expr_computes_nonzero): Remove.
10535 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10536 (extract_range_from_unary_expr): Likewise.
10537 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10538 tree_expr_nonzero_p.
10540 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
10542 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10543 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
10544 extra arg "picreg" and use it instead of pic_offset_table_rtx.
10545 All callers changed.
10546 (frame_related_constant_load): New arg "related" which controls
10547 setting of RTX_FRAME_RELATED_P. All callers changed.
10548 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10549 (bfin_expand_prologue): Add stack limit checking.
10550 * config/bfin/bfin.md (trapifcc): New pattern.
10552 * config/bfin/bfin.c: Include "langhooks.h".
10553 (def_builtin): Go through lang_hooks to call builtin_function.
10555 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10556 * config/bfin/predicates.md (symbol_ref_operand): New.
10557 (call_insn_operand): Delete. All callers changed to use
10558 register_no_elim_operand.
10559 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10561 (function_arg): Use it to generate the call's operand 2.
10562 (bfin_longcall_p): New function.
10563 (bfin_expand_call): Extra arg "cookie". All callers and declaration
10564 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
10565 determine if the address needs to be in a REG.
10566 (bfin_handle_longcall_attribute): New function.
10567 (bfin_attribute_table): Add "longcall" and "shortcall".
10568 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10569 (CUMULATIVE_ARGS): New member call_cookie.
10570 (PREDICATE_CODES): Add symbol_ref_operand.
10571 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10572 extra USE to the pattern.
10573 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10574 New patterns, split off call_insn, sibcall_insn, call_value_insn and
10575 sibcall_value_insn; now the new patterns handle direct calls and the
10576 old ones indirect calls.
10577 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10579 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
10581 * doc/trouble.texi: Update section on handling of empty loops.
10583 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
10585 * config.gcc: Remove support for sparc-*-openbsd*,
10586 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10588 * config.host: Remove support for i860-*-sysv4* as a host.
10589 * config/i860/*, config/ip2k/*, config/ns32k/*,
10590 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10591 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10592 mention obsolete ports.
10594 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10596 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10597 soft frame pointer.
10598 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10599 of frame_pointer_rtx.
10600 (sh_expand_epilogue): Likewise.
10601 (sh_set_return_address): Likewise.
10602 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10603 instead of FRAME_POINTER_REGNUM if needed. Add elimination
10604 offsets from FRAME_POINTER_REGNUM.
10605 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10606 (sh_register_names): Add initializer for sfp.
10607 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10608 (VALID_REGISTER_P): Likewise.
10609 (FIRST_PSEUDO_REGISTER): Update.
10610 (DWARF_FRAME_REGISTERS): Define.
10611 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10612 (HARD_FRAME_POINTER_REGNUM): Define.
10613 (FRAME_POINTER_REGNUM): Redefine.
10614 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10615 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
10616 from FRAME_POINTER_REGNUM.
10617 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10618 FRAME_POINTER_REGNUM.
10619 (REG_CLASS_CONTENTS): Add sfp.
10620 (REG_ALLOC_ORDER): Likewise.
10621 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
10622 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10623 of frame_pointer_rtx.
10624 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10626 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
10628 * fold-const.c (tree_expr_nonnegative_p): Only return true for
10629 ABS_EXPR when flag_wrapv is false because of INT_MIN.
10630 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10632 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10635 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
10637 Make CONSTRUCTOR use VEC to store initializers.
10638 * c-common.c (complete_array_type): Update to cope with VEC in
10640 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10641 (pp_c_constructor_elts): New function.
10642 * c-pretty-print.h (pp_c_constructor_elts): Declare.
10643 * c-typeck.c (build_function_call, build_c_cast, digest_init,
10644 struct constructor_stack, struct initializer_stack,
10645 constructor_elements, push_init_level, pop_init_level,
10646 add_pending_init, find_init_member, output_init_element): Update to
10647 cope with VEC in CONSTRUCTOR_ELTS.
10648 * coverage.c (build_fn_info_value, build_ctr_info_value,
10649 build_gcov_info): Likewise.
10650 * expr.c (categorize_ctor_elements_1, store_constructor,
10651 expand_expr_real_1): Likewise.
10652 * fold-const.c (fold_ternary): Likewise.
10653 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10654 gimplify_init_constructor, gimplify_expr): Likewise.
10655 * tree-dump.c (dequeue_and_dump): Likewise.
10656 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10658 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10660 * tree-sra.c (generate_element_init_1): Likewise.
10661 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10662 * tree-ssa-operands.c (get_expr_operands): Likewise.
10663 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10664 * tree-vect-transform.c (vect_get_vec_def_for_operand):
10665 (get_initial_def_for_reduction): Likewise.
10666 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10667 value handle in annotations.
10668 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10669 tree_node_structure): Add support for constr_kind.
10670 (build_vector_from_ctor, build_constructor_single,
10671 build_constructor_from_list): New functions.
10672 (build_constructor): Update to take a VEC instead of a TREE_LIST.
10673 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10674 Update to cope with VEC in CONSTRUCTOR_ELTS.
10675 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10676 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10677 CONSTRUCTOR_APPEND_ELT): New macros.
10678 (struct constructor_elt, struct tree_constructor): New data types.
10679 (union tree_node): Add tree_constructor field.
10680 * treestruct.def: Define TS_CONSTRUCTOR.
10681 * varasm.c (const_hash_1, compare_constant, copy_constant,
10682 compute_reloc_for_constant, output_addressed_constants,
10683 initializer_constant_valid_p, output_constant,
10684 array_size_for_constructor, output_constructor): Update to cope with
10685 VEC in CONSTRUCTOR_ELTS.
10686 * vec.h (VEC_empty, VEC_copy): New macros.
10688 2005-07-19 Devang Patel <dpatel@apple.com>
10690 * dbxout.c (dbxout_type): Check Objective-C++ lang.
10692 2005-07-19 Richard Henderson <rth@redhat.com>
10695 * gimplify.c (gimplify_expr): Use main variant type for the temp
10696 destination for a discarded volatile read.
10697 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10698 casts between non-void types that change volatility.
10700 2005-07-15 DJ Delorie <dj@redhat.com>
10702 * toplev.h: Add comment about the first parameter for warning().
10703 * errors.h: Likewise.
10705 * c.opt (Wpragmas): New.
10706 * doc/invoke.texi: Document it.
10708 * function.c (do_warn_unused_parameter): Add warning control to
10710 * c-decl.c (warn_if_shadowing): Likewise.
10711 * c-lex.c (cb_def_pragma): Likewise.
10712 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10713 (pop_alignment): Likewise.
10714 (handle_pragma_pack): Likewise.
10715 (apply_pragma_weak): Likewise.
10716 (handle_pragma_weak): Likewise.
10717 (handle_pragma_redefine_extname): Likewise.
10718 (add_to_renaming_pragma_list): Likewise.
10719 (handle_pragma_extern_prefix): Likewise.
10720 (maybe_apply_renaming_pragma): Likewise.
10721 (handle_pragma_visibility): Likewise.
10723 * config/c4x/c4x-c.c (BAD): Likewise.
10724 (c4x_parse_pragma): Likewise.
10725 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10726 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10727 (rs6000_pragma_longcall): Likewise.
10728 * config/v850/v850-c.c (pop_data_area): Likewise.
10729 (ghs_pragma_section): Likewise.
10730 (ghs_pragma_section): Likewise.
10731 (ghs_pragma_interrupt): Likewise.
10732 (ghs_pragma_starttda): Likewise.
10733 (ghs_pragma_startsda): Likewise.
10734 (ghs_pragma_startzda): Likewise.
10735 (ghs_pragma_endtda): Likewise.
10736 (ghs_pragma_endsda): Likewise.
10737 (ghs_pragma_endzda): Likewise.
10739 2005-07-19 Danny Berlin <dberlin@dberlin.org>
10740 Kenneth Zadeck <zadeck@naturalbridge.com>
10742 * Makefile.in: Removed tree-promote-statics.c
10743 * tree-promote-statics.c: Removed.
10744 * common.opt: Removed flag-promote-statics.
10746 * passes.c: Removed tree-promote-statics pass.
10747 * tree-pass.h: Ditto.
10748 * timevar.def: Removed TV_PROMOTE_STATICS.
10751 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
10753 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10755 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10757 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10760 * c-common.c (check_function_arguments): Call
10761 'check_function_format' if either -Wformat or
10762 -Wmissing-format-attribute are specified.
10763 * c-format.c (check_function_format): Check -Wformat before
10764 calling 'check_format_info'.
10765 * c-opts.c (c_common_post_options): Don't warn for
10766 -Wmissing-format-attribute without -Wformat.
10767 * c-typeck.c (convert_for_assignment): Detect additional cases for
10768 -Wmissing-format-attribute.
10769 * doc/invoke.texi (-Wmissing-format-attribute): Document new
10772 2005-07-19 Richard Guenther <rguenther@suse.de>
10774 * config/i386/i386.md (lrint<mode>2): Use temporary
10775 instead of clobbering non-existent memory.
10777 2005-07-19 Nick Clifton <nickc@redhat.com>
10779 * config/avr/avr.c (legitimate_address_p): Fix debugging print
10780 statement to avoid displaying ASCII control characters.
10782 2005-07-19 Ben Elliston <bje@au.ibm.com>
10784 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10785 * cfganal.c (find_edge_index): Ditto.
10786 * combine.c (combine_instructions): Ditto.
10787 * ddg.c (create_scc): Ditto.
10788 (find_successors): Ditto.
10789 (find_predecessors): Ditto.
10790 (find_nodes_on_paths): Ditto.
10791 (longest_simple_path): Ditto.
10792 * flow.c (update_life_info): Ditto.
10793 (count_or_remove_death_notes): Ditto.
10794 (clear_log_links): Ditto.
10795 * modulo-sched.c (generate_reg_moves): Ditto.
10796 (find_max_asap): Ditto.
10797 (find_max_hv_min_mob): Ditto.
10798 (find_max_dv_min_mob): Ditto.
10799 * sbitmap.c (sbitmap_first_set_bit): Ditto.
10800 * sched-rgn.c (extract_edgelst): Ditto.
10801 * tree-into-ssa.c (prepare_names_to_update): Ditto.
10802 (dump_update_ssa): Ditto.
10803 (ssa_names_to_replace) Ditto.
10804 (switch_virtuals_to_full_rewrite): Ditto.
10805 (update_ssa): Ditto.
10806 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10808 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
10810 Fix PR tree-optimization/22483
10812 * tree-complex.c (create_components): Use
10813 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10814 * tree-flow-inline.h (fill_referenced_var_vec): New function.
10815 * tree-flow.h (safe_referenced_var_iterator): New structure.
10816 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10817 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10818 safe_referenced_var iterator.
10819 (add_type_alias): Ditto.
10821 2005-07-19 Steven Bosscher <stevenb@suse.de>
10823 * loop-init.c (rest_of_handle_loop2): Remove.
10824 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10825 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10826 (pass_rtl_loop_init, pass_rtl_loop_done,
10827 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10828 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10829 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10830 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10831 pass_tree_loop_done, and pass_tree_unswitch.
10832 (gate_loop): Rename to gate_tree_loop.
10833 * passes.c (init_optimization_passes): Update for renamed tree
10834 loop passes. Add the new loop2 passes as subpasses of loop2.
10835 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10836 Update for the renamed tree loop passes.
10838 2005-07-18 Ian Lance Taylor <ian@airs.com>
10840 PR middle-end/22057
10841 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10842 blocks when optimizing.
10844 2005-07-18 Steve Ellcey <sje@cup.hp.com>
10846 * common.opt (frename-registers): Initialize to 2.
10848 (fgcse-after-reload): Ditto.
10849 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10850 (process_options): Only change flag_web, flag_rename_registers,
10851 and flag_rerun_cse_after_loop if not explicitly set by user.
10853 2005-07-18 Jan Beulich <jbeulich@novell.com>
10855 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10856 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10857 in 64-bit mode the same as DImode in 32-bit mode.
10858 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10859 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10860 mode. Add new mode parameter.
10861 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10862 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10863 x86_64_shift_adj): New expanders.
10864 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10865 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10867 Respective new splitters. Use renamed shift splitter helpers in 32-bit
10868 DImode shift splitters.
10869 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10870 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10873 2005-07-18 Jan Beulich <jbeulich@novell.com>
10875 * i386.md (movdi_extzv_1): New.
10876 (zero_extendhidi2): Combine alternatives and never force use of
10878 (zero_extendqidi2): Likewise. Don't restrict input selection.
10880 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10882 Fix PR tree-optimization/22531
10883 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
10886 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10888 * tree-promote-statics.c (pass_promote_statics): Change dump file
10891 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10893 * tree-optimize.c (init_tree_optimization_passes): Add
10894 pass_eliminate_useless_stores pass.
10895 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10896 * tree-ssa-pre.c (is_copy_stmt): New function.
10897 (follow_copies_till_vuse): Ditto.
10898 (do_eustores): Ditto.
10899 (gate_eustores): Ditto.
10901 2005-07-16 Richard Henderson <rth@redhat.com>
10903 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10905 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10906 Kenneth Zadeck <zadeck@naturalbridge.com>
10908 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10909 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10910 ipa-type-escape.h, tree-promote-statics.c
10911 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10912 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10913 tree-promote-statics.c: new files.
10914 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10915 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10916 int nonlocal_set_p, mark_constant_function): Deleted.
10917 (rest_of_handle_cfg): Removed call to mark_constant_function.
10918 (nonoverlapping_component_refs_p): Added calls to support
10919 type based aliasing.
10920 * tree-ssa-alias.c (may_alias_p,
10921 compute_flow_insensitive_aliasing): Ditto.
10922 * calls.c (flags_from_decl_or_type): Removed reference to
10924 * c-typeck.c (convert_arguments): Make builtins tolerant of having
10925 too many arguments. This is necessary for Spec 2000.
10926 * cgraph.h (const_function, pure_function): Removed.
10927 * common.opt: Added "fipa-pure-const", "fipa-reference",
10928 "fipa-type-escape", and "ftree-promote-static".
10930 * passes.c: Added ipa and tree-promote-statics passes.
10931 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10932 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10933 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10934 * tree-flow.h: Added exposed sra calls and addition of
10935 reference_vars_info field for FUNCTION_DECLS.
10936 * tree-pass.h: Added passes.
10937 * tree-sra.c: (sra_init_cache): New function.
10938 (sra_insert_before, sra_insert_after) Made public.
10939 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10941 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10942 aliasing. (may_alias_p): Added code to use type escape analysis to
10943 improve alias sets.
10944 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10945 code to prune clobbers of static variables based on information
10946 produced in ipa-reference pass. Changed call clobbering so that
10947 statics are not marked as clobbered if the call does not clobber
10950 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
10952 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10955 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10957 * doc/install.texi (*-*-solaris2*): Document recommended version
10958 of GNU binutils and mention GNU linker problem on Solaris 10.
10960 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
10963 * c-decl.c (c_build_bitfield_integer_type): New function.
10964 (finish_struct): Call it.
10965 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10967 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10969 * c-typeck.c (digest_init): Call 'convert_for_assignment'
10972 2005-07-16 Jan Hubicka <jh@suse.cz>
10974 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10975 (scale_bbs_frequencies_int): Watch roundoff errors.
10976 * predict.c (return_prediction): Initialize return_stmt.
10978 2005-07-16 Jan Hubicka <jh@suse.cz>
10980 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10981 after RTL profiling.
10983 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
10985 PR middle-end/22398
10986 * fold-const.c (build_range_check): Convert high/low to etype
10987 if we are only comparing against exp.
10989 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
10991 Fix PR tree-optimization/22376
10992 * tree-ssa-structalias.c (build_constraint_graph): We really meant
10994 (need_to_solve): New function.
10995 (compute_points_to_sets): Use it.
10997 2005-07-15 Jan Hubicka <jh@suse.cz>
10999 * cfg.c (update_bb_profile_for_threading): More diagnostic.
11000 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
11002 2005-07-15 Richard Guenther <rguenther@suse.de>
11004 * c-common.c (handle_flatten_attribute): New function.
11005 Add flatten function attribute.
11006 * doc/extend.texi: Document flatten function attribute.
11007 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
11008 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
11010 (cgraph_decide_inlining): Handle functions with flatten
11013 2005-07-14 David Edelsohn <edelsohn@gnu.org>
11015 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
11016 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
11017 UNSPEC_XCHG, UNSPEC_AND): New.
11018 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
11019 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
11020 * config/rs6000/sync.md (FETCHOP): New code macro.
11021 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
11023 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
11024 (sync_compare_and_swap<mode>): Same.
11025 (sync_lock_test_and_set<mode>): Same.
11026 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
11027 for QImode and HImode, and not PPC405.
11028 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
11029 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
11030 (sync_<fetchop>{si,di}_internal): New.
11031 (sync_nand{si,di}_internal): New.
11032 (sync_old_<fetchop>{si,di}_internal): New.
11033 (sync_old_nand{si,di}_internal): New
11034 (sync_new_<fetchop>{si,di}_internal): New.
11035 (sync_new_nand{si,di}_internal): New.
11036 (atomic_and{si,di}): New.
11037 (sync_new_nand{si,di}_internal): New.
11038 (atomic_and{si,di}): New.
11039 (sync_add<mode>_internal): Delete.
11040 (sync_addshort_internal): Use unspec instead of unspec_volatile.
11041 (sync_sub<mode>_internal): Delte.
11042 (sync_subshort_internal): New.
11043 (sync_andsi_internal): Use unspec instead of unspec_volatile.
11044 (sync_anddi_internal): Delete.
11045 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
11046 (sync_booldi_internal): Delete.
11047 (sync_boolc<mode>_internal): Delete.
11048 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
11049 (sync_boolc<mode>_internal2): Delete.
11050 (sync_boolcc<mode>_internal): Delete.
11051 (isync, lwsync): Use unspec instead of unspec_volatile.
11052 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
11053 Revert UNSPEC_VOLATILE.
11054 (rs6000_split_atomic_op): New.
11055 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
11057 2005-07-14 Eric Christopher <echristo@redhat.com>
11059 * config/mips/mips.c (mips_canonicalize_comparison): Cast
11060 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
11062 2005-07-14 Eric Christopher <echristo@redhat.com>
11064 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
11066 2005-07-14 Steven Bosscher <stevenb@suse.de>
11068 PR tree-optimization/22230
11069 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
11070 the computation of the four cross productions for "range op range".
11072 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
11073 Ulrich Weigand <uweigand@de.ibm.com>
11076 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
11079 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
11081 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
11083 2005-07-14 Steve Ellcey <sje@cup.hp.com>
11085 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
11087 2005-07-14 Richard Guenther <rguenther@suse.de>
11089 PR middle-end/22347
11090 * config/i386/i386-protos.h (ix86_function_value): Change
11091 prototype to match new target hook.
11092 * config/i386/i386.c (ix86_value_regno): Change prototype
11093 to take extra type argument.
11094 (TARGET_FUNCTION_VALUE): Define.
11095 (ix86_function_ok_for_sibcall): Pass extra argument to
11096 ix86_value_regno, check return slot rtx for exact match.
11097 (ix86_function_value): Take extra parameter. Dispatch to
11098 ix86_value_regno with fndecl/fntype as provided.
11099 (ix86_value_regno): Handle extra type argument.
11100 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
11102 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
11103 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
11104 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
11105 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
11106 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
11108 2005-07-14 Richard Guenther <rguenther@suse.de>
11110 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
11111 * calls.c (expand_call): Pass fntype to hard_function_value.
11112 (emit_library_call_value_1): Likewise.
11113 * explow.c: Include target.h.
11114 (hard_function_value): Take extra argument, the fntype.
11115 Use new target hook for function_value.
11116 * expr.h (hard_function_value): Change prototype.
11117 * function.c (aggregate_value_p): Pass 0 as fntype to
11118 hard_function_value.
11119 (assign_parms): Use new target hook for function_value.
11120 Pass 0 as fntype to hard_function_value.
11121 (expand_function_end): Likewise.
11122 * reg-stack.c: Include target.h.
11123 (stack_result): Use new target hook for function_value.
11124 * target-def.h: New target hook function_value.
11125 * target.h: Likewise.
11126 * targhooks.c (default_function_value): New function.
11127 * targhooks.h (default_function_value): Declare.
11129 2005-07-13 Ian Lance Taylor <ian@airs.com>
11131 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
11133 2005-07-14 Jan Hubicka <jh@suse.cz>
11135 * tree-dfa.c (dump_variable): Use default_def function.
11136 * tree-ssa-alias.c (dump_points_to_info): Likewise.
11137 * tree-ssa.c (verify_use): Likewise.
11138 * tree-ssanames.c (release_ssa_name): Likewise.
11139 * tree-tailcall.c (eliminate_tail_call): Likewise.
11140 (tree_optimize_tail_calls_1): Likewise.
11141 * tree-vrp.c (get_value_range): Likewise.
11143 2005-07-14 Ben Elliston <bje@au.ibm.com>
11145 * gcc.c (main): Compare language[0] with '*' when iterating over
11148 2005-07-13 Adrian Straetling <straetling@de.ibm.com>
11150 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
11151 "s390_emit_compare". Add handling of CCZ1mode.
11152 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
11153 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
11155 (s390_branch_condition_mask): Add CCZ1mode handling.
11156 * config/s390/s390.md: ("seq", "*seq"): New pattern.
11157 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
11158 Use CCZ1mode instead of CCZmode.
11159 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
11161 2005-07-13 Adrian Straetling <straetling@de.ibm.com>
11163 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
11165 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
11167 2005-07-13 Eric Christopher <echristo@redhat.com>
11169 * config/mips/mips.c (mips_canonicalize_comparison): New.
11170 (mips_emit_int_relational): Use.
11172 2005-07-13 Eric Christopher <echristo@redhat.com>
11174 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11175 static extra parts.
11176 * config/s390/s390.md: Include tpf.md. Move tpf specific
11178 * config/s390/tpf.md: To here.
11179 * config/s390/s390.opt: Move tpf specific options...
11180 * config/s390/tpf.opt: to here. Add mmain option.
11181 * config/s390/tpf-unwind.h: Remove unnecessary defines.
11182 * config/s390/tpf.h: Rewrite.
11184 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
11186 * doc/tm.texi: Remove @xref{Cross-profiling}.
11188 2005-07-13 Jeff Law <law@redhat.com>
11190 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
11191 expressions, test their _DECL operands for pointer equality rather
11192 than using operand_equal_p.
11194 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
11196 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
11197 (TARGET_POSIX_IO): This.
11198 * config/darwin.h: Likewise.
11199 * config/freebsd.h: Likewise.
11200 * config/linux.h: Likewise.
11201 * config/lynx.h: Likewise.
11202 * config/netbsd.h: Likewise.
11203 * config/rs6000/linux64.h: Likewise.
11204 * config/rs6000/linux.h: Likewise.
11205 * config/s390/tpf.h: Likewise.
11206 * config/sh/embed-elf.h: Likewise.
11207 * config/sparc/linux64.h: Likewise.
11208 * config/sparc/linux.h: Likewise.
11209 * config/svr4.h: Likewise.
11210 * gcov-io.h: Likewise.
11212 * doc/tm.texi: Updated.
11214 * libgcov.c (create_file_directory): Defined only if
11215 TARGET_POSIX_IO is defined.
11216 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
11219 2005-07-13 Jan Hubicka <jh@suse.cz>
11221 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
11223 2005-07-13 David Edelsohn <edelsohn@gnu.org>
11225 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
11226 structure as argument.
11228 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
11230 PR tree-optimization/21921
11231 * tree-iterator.c (tsi_link_before): Support the case when
11232 tsi_end_p (tsi) == true.
11234 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11236 PR tree-optimization/22442
11237 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
11240 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11242 PR rtl-optimization/20376
11243 * toplev.c (process_options): Enable -fweb and -frename-registers when
11245 * doc/invoke.texi: Update the information about when -fweb and
11246 -frename-registers are enabled.
11248 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11251 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
11252 if *rhs_p is not a SSA_NAME.
11254 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
11256 Fix PR tree-optimization/22422
11257 * tree-ssa-structalias.c (struct variable_info): Add flag for
11259 (get_varinfo): Now a static function.
11260 (new_varinfo): init has_union and is_special_var to false.
11261 (solution_set_add): Check has_union.
11262 (do_da_constraint): Move temporary variable so it gets reset
11264 Also check for special variable.
11265 (do_ds_constraint): Ditto.
11266 (do_sd_constraint): Ditto.
11267 (do_structure_copy): Check for special variable.
11268 (find_func_aliases): Ditto.
11269 (init_base_vars): Set special vars properly.
11271 2005-07-13 Jan Hubicka <jh@suse.cz>
11273 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
11276 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
11277 (get_expr_operands): Fix thinko wrt flags and subvars.
11279 PR tree-optimize/22379
11280 * tree-inline.c (expand_call_inline): Do not output sorry in early
11283 2005-07-12 Dale Johannesen <dalej@apple.com>
11285 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
11287 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11290 * host-linux.h: Include limits.h.
11292 2005-07-12 Dale Johannesen <dalej@apple.com>
11294 * expr.c (compress_float_constant): Add cost check.
11295 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
11297 2005-07-12 Dale Johannesen <dalej@apple.com>
11299 * gcc.target/i386/compress-float-sse.c: New.
11300 * gcc.target/i386/compress-float-sse-pic.c: New.
11301 * gcc.target/i386/compress-float-387.c: New.
11302 * gcc.target/i386/compress-float-387-pic.c: New.
11303 * gcc.dg/compress-float-ppc.c: New.
11304 * gcc.dg/compress-float-ppc-pic.c: New.
11306 2005-07-12 Eric Christopher <echristo@redhat.com>
11308 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11309 static extra parts.
11310 * config/s390/s390.md: Include tpf.md. Move tpf specific
11312 * config/s390/tpf.md: To here.
11313 * config/s390/s390.opt: Move tpf specific options...
11314 * config/s390/tpf.opt: to here. Add mmain option.
11315 * config/s390/tpf-unwind.h: Remove unnecessary defines.
11316 * config/s390/tpf.h: Rewrite.
11318 2005-07-12 Eric Christopher <echristo@redhat.com>
11320 * gcc.c (struct infile): Update comment for language.
11321 (main): Rewrite input file resetting code.
11323 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11326 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
11327 requiring a cast in a non RHS of modify_expr. Add a cast when required.
11328 (lookup_avail_expr): Use constant_boolean_node instead
11329 of boolean_false_node/boolean_true_node.
11331 2005-07-12 Ben Elliston <bje@au.ibm.com>
11333 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
11334 and use it when printing num_edges.
11336 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
11338 * doc/extend.texi (Blackfin Built-in Functions): New section.
11339 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
11342 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
11344 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
11345 s/cmpstrsi/cmpstrnsi
11346 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
11348 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
11349 (init_optabs): Initialize cmpstrn_optab.
11350 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
11351 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
11352 * expr.c: (enum insn_code cmpstrn_optab): Declare.
11353 * config/i386/i386.md: s/cmpstr/cmpstrn
11354 * config/c4x/c4x.md: s/cmpstr/cmpstrn
11355 * doc/md.texi: Update documentation.
11357 2005-07-11 Richard Henderson <rth@redhat.com>
11359 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
11360 build_va_arg_indirect_ref.
11361 (alpha_gimplify_va_arg): Likewise.
11362 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
11363 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11364 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
11365 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
11366 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11367 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
11369 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11371 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11373 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
11374 * passes.c (init_optimization_passes): Add pass_empty_loop.
11375 * tree-pass.h (pass_empty_loop): Declare.
11376 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
11377 try_remove_empty_loop, remove_empty_loops): New functions.
11378 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
11379 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
11381 2005-07-12 Peter Barada <peter@the-baradas.com>
11383 PR middle-end/16719
11384 PR middle-end/18421
11385 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
11386 in address registers.
11387 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
11388 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
11389 alternative of addsi3_5200.
11391 2005-07-11 Ian Lance Taylor <ian@airs.com>
11393 * config/mips/mips.md (ffs<mode>2): Remove.
11395 2005-07-11 Ian Lance Taylor <ian@airs.com>
11397 * doc/tree-ssa.texi (Cleanups): Improve description of
11399 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
11401 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
11403 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
11404 * tree.h (DECL_ARGUMENT_FLD): New macro.
11406 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
11408 Fix PR tree-optimization/22404
11410 * tree-ssa-structalias.c (create_variable_info_for): Use
11413 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
11415 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
11416 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
11417 for second comparison operand.
11418 * config/bfin/predicates.md (reg_or_const_int_operand): New.
11420 * config/bfin/bfin.md (define_attr "type"): Add "sync".
11421 (define_insn_reservation "alu"): Likewise.
11422 (csync, ssync): Now of type sync.
11423 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
11424 -mcsync-anomaly -mspecld-anomaly.
11425 * config/bfin/bfin.opt (mcsync): Remove.
11426 (mcsync-anomaly, mspecld-anomaly): Add.
11427 * config/bfin/bfin.c: Include "insn-codes.h".
11428 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
11429 (TARGET_DEFAULT_TARGET_FLAGS): New.
11430 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
11432 2005-07-11 Steven Bosscher <stevenb@suse.de>
11434 * basic-block.h: Give the BB flags enum a name, bb_flags.
11435 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
11436 * cfgcleanup.c (enum bb_flags): Remove here.
11437 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
11438 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
11439 (update_forwarder_flag): Likewise.
11440 (thread_jump): Likewise.
11441 (try_forward_edges): Likewise.
11442 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
11443 forwarder flags. Don't clear bb->aux for all basic blocks. Only
11444 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
11446 2005-07-11 Richard Guenther <rguenther@suse.de>
11448 * config/i386/i386.opt: New target option -msseregparm.
11449 * config/i386/i386.c (override_options): Error out for
11450 -msseregparm but no SSE support.
11451 (ix86_function_sseregparm): Check for global sseregparm.
11452 * doc/invoke.texi: Document -msseregparm.
11454 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11456 * config.gcc (m32r-*-linux*): Use the default extra_parts.
11457 (m32rle-*-linux*): Ditto.
11459 2005-07-11 Jakub Jelinek <jakub@redhat.com>
11461 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
11462 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
11465 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11467 PR middle-end/22239
11469 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
11470 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
11472 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
11474 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
11475 (varmap): Heapify varmap.
11476 (constraints): Heapify constraints.
11477 (struct constraint_graph): Heapify succs and preds.
11478 (constraint_vec_find): Update for heapification.
11479 (constraint_set_union): Ditto.
11480 (insert_into_complex): Ditto.
11481 (constraint_edge_vec_find): Ditto.
11482 (erase_graph_self_edge): Ditto.
11483 (add_graph_edge): Ditto.
11484 (get_graph_weights): Ditto.
11485 (merge_graph_nodes): Ditto.
11486 (build_constraint_graph): Ditto.
11487 (topo_visit): Ditto.
11488 (solve_graph): Ditto.
11489 (create_variable_info_for): Ditto.
11490 (init_base_vars): Ditto.
11491 (delete_points_to_sets): Free graph, varmap, and complex constraints.
11492 (condese_varmap_nodes): Free complex vector.
11493 (clear_edges_for_node): Clear succs and preds vector.
11495 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
11497 * tree-ssa-structalias.c (update_alias_info): Change counting of
11498 references to not include vdefs.
11500 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
11502 * tree-ssa-alias.c (free_used_part_map): Add missing free.
11503 (up_insert): Ditto.
11505 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11507 * pa.c (pa_commutative_p): Make PLUS commutative when
11508 TARGET_NO_SPACE_REGS is true.
11510 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11512 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
11513 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
11514 * tree-dfa.c (dump_subvars_for): New.
11515 (debug_subvars_for): New.
11516 (dump_variable): Show subvariables if VAR has them.
11517 * tree-flow-inline.h (get_subvar_at): New.
11518 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
11519 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
11521 (struct subvar): Change fields offset and size to unsigned
11523 (dump_subvars_for): Declare.
11524 (debug_subvars_for): Declare.
11525 (get_subvar_at): Declare.
11526 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11527 to unsigned HOST_WIDE_INT *.
11528 (overlap_subvar): Likewise.
11529 * tree-gimple.c (is_gimple_reg): Always return false for
11530 SFTs and memory tags.
11531 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11532 Update all callers.
11533 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11534 (compute_may_aliases): Call compute_points_to_sets.
11535 (collect_points_to_info_for): Remove.
11536 (compute_points_to_and_addr_escape): Remove.
11537 (delete_alias_info): Call delete_points_to_sets.
11538 (compute_flow_sensitive_aliasing): If the call to
11539 find_what_p_points_to returns false, call set_pt_anything.
11540 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11541 (set_pt_anything): Clear pi->pt_vars.
11542 (set_pt_malloc): Remove.
11543 (merge_pointed_to_info): Remove.
11544 (add_pointed_to_expr): Remove.
11545 (add_pointed_to_var): Remove.
11546 (collect_points_to_info_r): Remove.
11547 (is_escape_site): Make extern.
11549 (create_overlap_variables_for): Call it.
11550 * tree-ssa-copy.c (merge_alias_info): Never merge
11551 flow-sensitive alias information.
11552 * tree-ssa-operands.c (get_expr_operands): Adjust variables
11553 offset and size to be unsigned HOST_WIDE_INT.
11554 (add_to_addressable_set): Rename from note_addressable.
11555 Set TREE_ADDRESSABLE as the variables are added to the set.
11557 (add_stmt_operand): Do not try to micro-optimize unmodifiable
11558 operands into VUSEs when adding V_MAY_DEFs for members in an
11560 * tree-ssa-operands.h (add_to_addressable_set): Declare.
11561 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11562 (struct variable_info): Add bitfield is_heap_var.
11563 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11564 (new_var_info): Initialize is_heap_var.
11565 (get_constraint_for): Add HEAP variables to the symbol table.
11566 Mark them with is_heap_var.
11567 (update_alias_info): New. Taken mostly from the old
11568 compute_points_to_and_addr_escape.
11569 (handle_ptr_arith): New.
11570 (find_func_aliases): Call update_alias_info.
11571 Call handle_ptr_info for tcc_binary expressions.
11572 Call mark_stmt_modified.
11573 (create_variable_info_for): If DECL has subvars, do not create
11574 variables for its subvars. Always add all the fields.
11575 (set_uids_in_ptset): If the solution includes ANYOFFSET and
11576 SFTs, then add all the SFTs of the structure.
11577 If VI->DECL is an aggregate with subvariables, add the SFT at
11579 (find_what_p_points_to): If VI is an artificial variable,
11580 translate to bitfields in SSA_NAME_PTR_INFO.
11581 If the solution is empty, set pi->pt_vars to NULL
11582 (init_base_vars): Create ANYOFFSET.
11583 (compute_points_to_sets): Rename from create_alias_vars.
11585 (pass_build_pta): Remove.
11586 (delete_points_to_sets): Rename from delete_alias_vars.
11587 (pass_del_pta): Remove.
11588 * tree-ssa-structalias.h (struct alias_info): Move from
11590 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11591 NUM_REFERENCES_SET): Likewise.
11592 (compute_points_to_sets, delete_points_to_sets): Declare.
11594 2005-07-09 Richard Henderson <rth@redhat.com>
11596 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11597 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11598 alpha_split_lock_test_and_set_12): New functions.
11599 * config/alpha/alpha-protos.h: Update.
11600 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11601 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11602 * config/alpha/sync.md (I12MODE): New.
11603 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11604 (sync_<fetchop_name><I48MODE>): Likewise.
11605 (sync_nand<I48MODE>): Likewise.
11606 (sync_old_<fetchop_name><I48MODE>): Likewise.
11607 (sync_new_<fetchop_name><I48MODE>): Likewise.
11608 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11609 (sync_compare_and_swap<I48MODE>): Likewise.
11610 (sync_lock_test_and_set<I48MODE>): Likewise.
11611 (sync_compare_and_swap<I12MODE>): New.
11612 (sync_compare_and_swap<I12MODE>_1): New.
11613 (sync_lock_test_and_set<I12MODE>): New.
11614 (sync_lock_test_and_set<I12MODE>_1): New.
11616 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11620 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11622 2005-07-09 Jakub Jelinek <jakub@redhat.com>
11624 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11625 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11627 2005-07-09 Richard SAndiford <richard@codesourcery.com>
11630 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11632 2005-07-08 David Edelsohn <edelsohn@gnu.org>
11634 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11635 memory_operand constraint.
11636 (store_conditional_<mode>): Same.
11637 (sync_compare_and_swap<mode>): Same.
11638 (sync_lock_test_and_set<mode>): Same.
11640 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
11642 Rewrite PIC support to more closely model actual instructions.
11643 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11644 (cris_symbol): Remove prototypes for removed functions.
11645 (cris_pic_symbol_type_of, cris_valid_pic_const)
11646 (cris_expand_pic_call_address): Prototypes for new functions.
11647 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11649 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11651 <case ':'>: Add case for new punctuation character.
11652 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11653 emitting (extra) PIC modifier.
11654 <case UNSPEC>: Do not assert for PLT.
11655 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11656 (cris_expand_prologue, cris_expand_epilogue): Check
11657 for pic_offset_table_rtx usage instead of taking
11658 current_function_uses_pic_offset_table as the final word.
11659 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11660 Remove flag_pic difference.
11661 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11662 the moral equivalents of...
11663 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11665 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11666 (cris_handle_option): Mark ARG as unused.
11667 (cris_expand_pic_call_address): New worker function for "call",
11669 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11670 output PIC constructs here.
11671 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11672 as symbol-specific modifers, not whole or part of operands.
11673 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11674 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11675 constants and flag_pic.
11676 (CONSTANT_INDEX_P): Adjust for new functions.
11677 (enum cris_pic_symbol_type): New helper type.
11678 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11679 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11680 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11682 ("movsi"): Emit actual instructions for GOT and relative access.
11683 ("*movsi_got_load"): New pattern to set up the register holding
11685 ("*movsi_internal"): Operand 1 is not a plain general_operand.
11686 Adjust FIXME for 'S'.
11687 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11688 Use "movs" for -fpic cases.
11689 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11690 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11691 ("call", "call_value"): Just call cris_expand_pic_call_address for
11693 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11694 Remove special pattern.
11695 ("*expanded_call_side", "*expanded_call_value_side"): New
11697 (gotplt-to-plt, gotplt-to-plt-side-call)
11698 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11700 * config/cris/cris/predicates.md
11701 ("cris_general_operand_or_gotless_symbol"): Remove unused
11703 ("cris_general_operand_or_symbol"): Adjust for new functions.
11705 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11707 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11709 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
11711 * Makefile.in (TREE_H): Add treestruct.def.
11712 (c-decl.o): Add pointer-set.h
11713 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11714 visibility on regular DECL's.
11715 (merge_decls): Fix the copying of decl nodes of various types for
11716 the new structures. Don't update RTL, section name, weak status,
11717 etc, on DECL's without RTL.
11718 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11719 Don't check volatile on non-variable types.
11720 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11721 to check whether we have seen arguments.
11722 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11723 flag is checked before field (flag is common, field is not).
11724 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
11725 TS_DECL_COMMON could have an origin.
11726 (add_location_or_const_value_attribute): Don't check section name
11727 on non-var/function decls.
11728 (dwarf2out_var_location): Reverse order of tests.
11729 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11730 with DECL_WRTL_CHECK.
11731 * expmed.c (make_tree): rtl is now in decl_with_rtl.
11732 * fold-const.c (fold_binary): Don't check weakness on
11733 non-var/function decls.
11734 (tree_expr_nonzero_p): Ditto.
11735 (fold_checksum_tree): Use tree_decl_extra as sizeof
11737 * ggc-page.c (extra_order_size_table): Add sizes for
11738 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
11740 * gimplify.c (gimplify_bind_expr): Only set
11741 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11742 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11744 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11745 * langhooks.h (init_ts). New langhook.
11746 * passes.c (rest_of_decl_compilation): Reverse order of tests.
11747 * print-tree.c (print_node): Update to only print fields that
11748 exist in the structures the passed decl has.
11749 * toplev.c (wrapup_global_declarations): Don't reset
11750 DECL_DEFER_OUTPUT on DECL's that don't contain it.
11751 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11752 * tree-inline.c (remap_decl): Ditto.
11753 * tree-outof-ssa.c (create_temp): Reverse order of tests.
11754 * tree-pretty-print.c (print_declaration): Don't print
11755 DECL_REGISTER on things that don't contain it.
11756 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11757 non-var/function decls.
11758 * tree.c (tree_contains_struct): New structure.
11759 (init_priority_for_decl): New hashtable.
11760 (tree_int_map): New structure.
11761 (tree_int_map_eq): New function.
11762 (tree_int_map_marked_p): Ditto.
11763 (tree_int_map_hash): Ditto.
11764 (tree_map): Move to tree.h.
11765 (tree_map_eq): Externalize.
11766 (tree_map_hash): Ditto.
11767 (tree_map_marked_p): Ditto.
11768 (init_ttree): Set up tree_contains_struct and call langhook.
11769 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11770 (tree_code_size): Update for new structures.
11771 (tree_node_structure): Update for new structures.
11772 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11774 (copy_node_stat): Copy init priority.
11775 (build_decl_stat): Ditto for visibility.
11776 (ts_enum_names): New.
11777 (tree_contains_struct_check_failed): New function.
11778 (decl_init_priority_lookup): Ditto.
11779 (decl_init_priority_insert): Ditto.
11780 * treestruct.def: New file.
11781 * tree.h (CODE_CONTAINS_STRUCT): New macro.
11782 (CONTAINS_STRUCT_CHECK): Ditto.
11783 (tree_contains_struct_check_failed): New prototype.
11784 (DECL_CHECK): Removed.
11785 (DECL_MINIMAL_CHECK): New.
11786 (DECL_COMMON_CHECK): Ditto.
11787 (DECL_WRTL_CHECK): Ditto.
11788 (DECL_NON_COMMON_CHECK): Ditto.
11789 (DECL_WITH_VIS_CHECK): Ditto.
11790 (VAR_OR_FUNCTION_DECL_P): Ditto
11791 (struct tree_decl_minimal): New structure.
11792 (struct tree_decl_common): Ditto.
11793 (struct tree_decl_with_rtl): Ditto.
11794 (struct tree_decl_with_vis): Ditto.
11795 (struct tree_decl_non_common): Ditto.
11796 (struct tree_field_decl): Ditto.
11797 (struct tree_parm_decl): Ditto.
11798 (struct tree_var_decl): Ditto.
11799 (struct tree_function_decl): Ditto.
11800 (struct tree_const_decl): Ditto.
11801 (struct tree_result_decl): Ditto.
11802 (union tree_node): Add new structures.
11803 * var-tracking.c (track_expr_p): Reverse order of tests.
11805 * doc/c-tree.texi: Add documentation on DECL node internal structure.
11807 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11809 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11810 * system.h: Poison FINALIZE_PIC.
11811 * doc/tm.texi (FINALIZE_PIC): Remove.
11813 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11816 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11817 to the correct type if we have a MODIFY_EXPR.
11819 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11821 PR tree-optimization/22360
11822 * tree.c (upper_bound_in_type): Fix calculations for casting
11823 to a non-wider signed type and casting a signed value to a
11824 wider unsigned type.
11825 (lower_bound_in_type): Fix calculations for casting to a
11826 non-wider signed type.
11828 PR tree-optimization/20139
11829 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11831 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11832 fold_cond_expr_cond.
11833 * tree-ssanames.c (release_defs): Assert in_ssa_p.
11834 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11836 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11839 * tree-complex.c (expand_complex_libcall): Produce
11840 REALPART_EXPR/IMAGPART_EXPR with the correct type.
11842 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
11844 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11845 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11846 b" assert and inserted fastpath code for this case.
11847 (bitmap_ior): Removed "a != b" assert.
11849 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11851 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11852 (ENDFILE_SPEC): Likewise.
11853 * config/m32r/m32r.h (ASM_SPEC): Likewise.
11855 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11856 a large stack frame at epilogue.
11858 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
11860 * final.c: Include sdbout.h when required.
11862 2005-07-07 Geoffrey Keating <geoffk@apple.com>
11864 * config.gcc (*-*-darwin*): Only one target-specific header file
11865 for generic darwin.
11866 (powerpc-*-darwin*): Add version-specific header files.
11867 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11868 * config.in: Regenerate.
11869 * configure: Regenerate.
11870 * gcc.c: Include xregex.h.
11871 (version_compare_spec_function): New.
11872 (spec_function): Add version-compare.
11873 (replace_outfile_spec_function): Reformat comment.
11874 (compare_version_strings): New.
11875 * config/darwin-c.c (version_as_macro): New.
11876 (builtin_define): New.
11877 (darwin_cpp_builtins): New.
11878 * config/darwin-protos.h (darwin_cpp_builtins): New.
11879 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11880 (LIB_SPEC): Make unconditional, update comment.
11881 (TARGET_C99_FUNCTIONS): Define.
11882 * config/darwin.opt: Sort.
11883 (mmacosx-version-min=): New.
11884 * config/darwin7.h: Delete.
11885 * config/darwin8.h: Delete.
11886 * config/i386/darwin.h (): Call darwin_cpp_builtins.
11887 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11888 (TARGET_C99_FUNCTIONS): Define.
11889 * config/rs6000/darwin7.h: New.
11890 * config/rs6000/darwin8.h: New.
11891 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11892 (-mmacosx-version-min): Document.
11894 2005-07-07 Ian Lance Taylor <ian@airs.com>
11896 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11898 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
11900 PR middle-end/22239
11901 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11903 2005-07-07 Khem Raj <kraj@mvista.com>
11905 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11906 in bytes, not words.
11908 2005-07-07 Paul Brook <paul@codesourcery.com>
11910 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11911 DEFAULT_FUNCTION_ARG_PADDING to upward.
11913 2005-07-07 Richard Henderson <rth@redhat.com>
11915 * function.c (locate_and_pad_parm): Record parameter alignment in
11916 stack_alignment_needed.
11918 2005-07-07 David Edelsohn <edelsohn@gnu.org>
11920 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11921 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11922 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11923 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11924 (define_attr "type"): Add isync, sync, load_l, store_c.
11925 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11926 Create scratch volatile MEM.
11927 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
11929 (load_locked_<mode>): New.
11930 (store_conditional_<mode>): New.
11931 (sync_compare_and_swap<mode>): Replace with splitter.
11932 (sync_lock_test_and_set<mode>): Replace with splitter.
11933 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11935 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
11936 is ics. Attribute isync.
11937 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
11939 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11940 and UNSPECV_SYNC_OP.
11941 (emit_unlikely_jump): New.
11942 (emit_load_locked): New.
11943 (emit_store_conditional): New.
11944 (rs6000_split_compare_and_swap): New.
11945 (rs6000_split_lock_test_and_set): New.
11946 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11947 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11948 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11949 rs6000_split_lock_test_and_set): Declare.
11950 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11951 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11952 store_c, isync, sync.
11954 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
11956 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11957 filenames to gtyp-gen.h.
11958 (s-typ-gen): Use it in place of for loops.
11960 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
11962 * hooks.c (hook_bool_rtx_int_false): New function.
11963 * hooks.h (hook_bool_rtx_int_false): Declare.
11964 * target-def.h (TARGET_COMMUTATIVE_P): Define.
11965 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11966 * target.h (struct gcc_target): Add commutative_p member.
11967 * targhooks.c (hook_bool_rtx_commutative_p): New function.
11968 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11969 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11970 (pa_commutative_p): New function.
11971 * jump.c (target.h): Include.
11972 (rtx_renumbered_equal_p): Use targetm.commutative_p.
11973 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11975 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11977 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11978 (s390_expand_setmem): New.
11979 * config/s390/s390.c: Likewise.
11980 (print_shift_count_operand): Truncate to 12 bits instead of 6.
11982 * config/s390/s390.md: ("setmem<mode>"): Accept character as
11983 general_operand. Call new function "s390_expand_setmem".
11984 ("clrmem_long", "*clrmem_long"): Rewrite to ...
11985 ("setmem_long", "*setmem_long"): ... this.
11987 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11989 * config/s390/s390.c: (optimization_options): Enable
11990 TARGET_MVCLE at -Os.
11991 * doc/invoke.texi: Document changes in default behaviour.
11992 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11994 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11996 * expr.c: (set_storage_via_setmem): Convert opchar to mode
11997 defined by back-end.
11999 2005-07-07 Jakub Jelinek <jakub@redhat.com>
12001 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
12002 all sets in the pattern.
12003 * config/rs6000/rs6000.md (stack_protect_testsi,
12004 stack_protect_testdi): Likewise.
12006 2005-07-06 Jeff Law <law@redhat.com>
12008 * tree-vrp.c (simplify_using_ranges): Kill.
12009 (vrp_finalize): Remove call to simplify_using_ranges.
12010 (simplify_stmt_using_ranges): New function extracted from
12011 simplify_using_ranges.
12012 (simplify_div_or_mod_using_ranges): Likewise.
12013 (simplify_abs_using_ranges): Likewise.
12014 (simplify_cond_using_ranges): New function.
12015 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
12016 * tree-ssa-propagate.c (substitute_and_fold): Call
12017 simplify_stmt_using_ranges if we have range information.
12019 2005-07-06 James E. Wilson <wilson@specifixinc.com>
12021 * config/ia64/ia64.c (ia64_reorg): Check optimize before
12022 ia64_flag_schedule_isns2.
12024 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
12025 reading/writing general registers.
12026 (ia64_function_arg): Revert 2005-06-18 change.
12028 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
12030 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
12031 (legitimize_tls_address): Use gcc_unreachable instead of abort.
12033 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
12035 * function.c (expand_function_end): Revert part of 2005-06-27
12036 patch. Do sjlj_emit_function_exit_after after return_label.
12038 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
12040 * doc/install.texi (--disable-libssp): New.
12042 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
12044 * doc/invoke.texi: Update -fforce-mem documentation.
12045 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
12046 code for -fforce-mem.
12047 * expmed.c: (store_bit_field,store_fixed_bit_field,
12048 extract_bit_field): Ditto.
12049 * expr.c: (convert_move): Ditto.
12050 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
12051 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
12052 emit_conditional_add,expand_float,expand_fix): Ditto.
12053 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
12054 (common_handle_option): Issue warning when -fforce-mem specified.
12056 2005-07-06 Paul Brook <paul@codesourcery.com>
12058 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
12060 * configure: Regenerate.
12062 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
12064 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
12066 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
12068 Fix PR tree-optimization/22319
12069 Fix PR tree-optimization/22140
12070 Fix PR tree-optimization/22310
12072 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
12073 variable sized types.
12074 Use correct type for intermediate structure on *a = *b structure
12077 2005-07-06 Jakub Jelinek <jakub@redhat.com>
12079 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
12081 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
12082 (machine_function): Move typedef to...
12083 * config/rs6000/rs6000.c (machine_function): ... here. Add
12084 varargs_save_offset field.
12085 (rs6000_stack_t): Remove varargs_size field.
12086 (setup_incoming_varargs): Allocate varargs save area using
12087 assign_stack_local, try to make it as small as possible.
12088 Save offset from virtual_stack_vars_rtx to the save area
12089 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
12090 instead of magic 8 when fp word byte size is used.
12091 (rs6000_va_start): Use cfun->machine->varargs_save_offset
12092 instead of -RS6000_VARARGS_SIZE.
12093 (rs6000_stack_info, debug_stack_info,
12094 rs6000_initial_elimination_offset): Remove all traces of
12096 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
12097 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
12098 RS6000_VARARGS_AREA.
12100 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
12102 PR tree-optimization/21963
12103 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
12104 constant_multiple_of in the same way get_computation_cost_at does.
12106 2005-07-06 Jakub Jelinek <jakub@redhat.com>
12108 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
12109 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
12110 (gen_compare_reg): If sparc_compare_emitted is set, clear it
12111 and return its previous value.
12112 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
12113 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
12115 (stack_protect_set, stack_protect_test): New expanders.
12116 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
12117 stack_protect_testdi): New insns.
12118 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12119 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
12121 2005-07-06 Jeff Law <law@redhat.com>
12123 * tree-ssa-dce.c (cfg_altered): New global.
12124 (tree_dce_init): Initialize cfg_altered.
12125 (remove_dead_stmt): If we remove an edge in the CFG, then set
12127 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
12130 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
12132 * Makefile.in (stamp-collect-ld): Use
12133 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
12134 ./collect-ld if it already exists.
12135 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
12136 Don't remove ./nm if it already exists.
12138 2005-07-05 Devang Patel <dpatel@apple.com>
12140 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
12141 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
12142 * tree-vectorizer.c (vect_loop_location): New.
12143 (vect_print_dump_info): Use vect_loop_location.
12144 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
12145 (vectorize_loops): Set vect_loop_location.
12146 * tree-vect-analyze.c (vect_analyze_offset_expr,
12147 vect_determin_vectorization_factor, vect_analyze_operations,
12148 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
12149 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
12150 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
12151 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
12152 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
12153 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
12154 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
12155 vect_analyze_loop): Adjust vect_print_dump_info API.
12156 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12157 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
12158 vect_finish_stmt_generation, vectorizable_assignment,
12159 vectorizable_operation, vectorizable_store, vectorizable_load,
12160 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
12161 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
12162 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
12163 vect_transform_loop): Same.
12164 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
12165 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
12168 2005-07-05 Randolph Chung <tausq@debian.org>
12170 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
12171 * configure: Regenerate.
12172 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
12173 (pa_tls_referenced_p): Declare.
12174 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
12175 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
12176 (legitimize_tls_address): New.
12177 (hppa_legitimize_address): Handle TLS addresses.
12178 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
12179 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
12180 (emit_move_sequence): Handle TLS addresses.
12181 (pa_encode_section_info): Call default handler to handle common
12183 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
12184 (CONSTANT_ADDRESS_P): Reject TLS operands.
12185 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
12186 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
12187 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
12188 (UNSPEC_TLSLE): Define new constants.
12189 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
12190 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
12191 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
12192 (tie_symbolic_operand, tle_symbolic_operand): New
12194 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
12196 * aclocal.m4: Update macros for autoconf 2.59 style.
12197 * configure.ac: Likewise.
12199 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12201 * pa.c (function_value): Handle small aggregates on 32-bit targets.
12202 (function_arg): Pass small aggregates in general registers on 32-bit
12204 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
12206 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
12208 * Makefile.in (final.o): Fix dependencies.
12210 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
12214 * langhooks.h (struct lang_hooks): Add expr_to_decl.
12215 * langhooks.c (lhd_expr_to_decl): New.
12216 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
12218 (LANG_HOOKS_INITIALIZER): Update.
12219 * tree.c (recompute_tree_invarant_for_addr_expr): Call
12220 expr_to_decl langhook.
12221 * c-tree.h (c_expr_to_decl): Declare.
12222 * c-typeck.c (c_expr_to_decl): New.
12223 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
12225 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
12227 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
12230 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
12231 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
12233 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
12235 * Makefile.in: Adjust dependencies.
12236 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
12237 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
12238 * alias.c (rest_of_handle_cfg, pass_cfg): New.
12239 * bb-reorder.c (duplicate_computed_gotos): Make it static.
12240 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
12241 rest_of_compilation.
12243 * bb-reorder.c (gate_duplicate_computed_gotos,
12244 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
12245 rest_of_handle_reorder_blocks, pass_reorder_blocks,
12246 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
12247 pass_partition_blocks): New.
12248 * bt-load.c (gate_handle_branch_target_load_optimize,
12249 rest_of_handle_branch_target_load_optimize,
12250 pass_branch_target_load_optimize): New.
12251 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
12253 * cfglayout.c (pass_insn_locators_initialize): New.
12254 * cfgrtl.c (pass_free_cfg): New.
12255 * combine.c (gate_handle_combine, rest_of_handle_combine,
12256 pass_combine): New.
12257 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
12258 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
12259 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
12260 * except.c (pass_set_nothrow_function_flags,
12261 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
12263 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
12264 rest_of_handle_shorten_branches, pass_shorten_branches,
12265 rest_of_clean_state, pass_clean_state): New.
12266 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
12267 rest_of_handle_remove_death_notes, pass_remove_death_notes,
12268 rest_of_handle_life, pass_life, rest_of_handle_flow2,
12270 * function.c (pass_instantiate_virtual_regs, pass_init_function,
12271 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
12272 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
12273 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
12275 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
12276 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
12277 pass_rtl_ifcvt, gate_handle_if_after_combine,
12278 rest_of_handle_if_after_combine, pass_if_after_combine,
12279 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
12280 pass_if_after_reload): New.
12281 * integrate.c (pass_initial_value_sets): New.
12282 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
12283 pass_purge_lineno_notes): New.
12284 * mode-switching.c (rest_of_handle_mode_switching,
12285 pass_mode_switching): New.
12286 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
12287 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
12289 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
12290 pass_loop_optimize): New.
12291 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
12293 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
12295 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
12296 pass_postreload_cse): New.
12297 * profile.c (gate_handle_profiling, pass_profiling,
12298 rest_of_handle_branch_prob, pass_branch_prob): New.
12299 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
12300 pass_split_before_regstack, gate_handle_split_before_regstack,
12301 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
12302 rest_of_handle_split_all_insns, pass_split_all_insns): New.
12303 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
12304 pass_stack_regs): New.
12305 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
12306 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
12307 pass_stack_adjustments): New.
12308 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
12309 pass_regrename): New.
12310 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
12311 pass_delay_slots, gate_handle_machine_reorg,
12312 rest_of_handle_machine_reorg, pass_machine_reorg): New.
12313 * rtl.h (extern void purge_line_number_notes): New.
12314 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
12315 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
12317 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
12319 * value-prof.c (gate_handle_value_profile_transformations,
12320 rest_of_handle_value_profile_transformations,
12321 pass_value_profile_transformations): New.
12322 * var-tracking.c (gate_handle_var_tracking,
12323 pass_variable_tracking): New.
12324 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
12326 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
12327 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
12328 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
12329 rest_of_handle_old_regalloc, rest_of_handle_regrename,
12330 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
12331 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
12332 rest_of_handle_gcse2, rest_of_handle_regmove,
12333 rest_of_handle_tracer, rest_of_handle_if_conversion,
12334 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
12335 rest_of_handle_web, rest_of_handle_branch_prob,
12336 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
12337 rest_of_handle_jump_bypass, rest_of_handle_combine,
12338 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12339 rest_of_handle_gcse, rest_of_handle_loop_optimize,
12340 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
12341 rest_of_handle_mode_switching, rest_of_handle_jump,
12342 rest_of_handle_eh, rest_of_handle_stack_adjustments,
12343 rest_of_handle_flow2, rest_of_handle_jump2,
12344 rest_of_handle_peephole2, rest_of_handle_postreload,
12345 rest_of_handle_shorten_branches, rest_of_clean_state,
12346 rest_of_compilation): Remove.
12348 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
12349 * passes.c (dump_flags, in_gimple_form, all_passes,
12350 all_ipa_passes, all_lowering_passes, register_one_dump_file,
12351 register_dump_files, next_pass_1, last_verified, execute_todo,
12352 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
12353 from tree-optimize.c.
12354 (init_optimization_passes): Moved from tree-optimize.c,
12355 adding the RTL optimizations.
12356 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
12357 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
12358 all_ipa_passes, all_lowering_passes, register_one_dump_file,
12359 register_dump_files, next_pass_1, last_verified, execute_todo,
12360 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
12361 init_tree_optimization_passes, ipa_passes): Delete.
12362 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
12364 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
12365 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
12367 (ipa_passes): Remove.
12368 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
12369 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
12370 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
12371 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
12372 (dump_info_p, dump_flag): Moved to tree-dump.h.
12374 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
12376 * passes.c (finish_optimization_passes): Use dump_begin
12377 and dump_end, TDI_end.
12378 (gate_rest_of_compilation): New.
12379 (pass_rest_of_compilation): Use it.
12380 (gate_postreload, pass_postreload): New.
12381 * toplev.c (general_init): Rename init_tree_optimization_passes.
12382 * toplev.h (init_tree_optimization_passes): Rename to
12383 init_optimizations_passes.
12384 * tree-dump.c (dump_flag): Make static.
12385 (dump_files): Remove RTL dumps.
12386 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
12387 pass_cleanup_cfg, pass_free_cfg_annotations,
12388 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
12389 pass_init_datastructures, pass_fixup_cfg): Make non-static.
12390 * tree-pretty-print.c: Include tree-pass.h.
12391 * cgraph.c: Include tree-dump.h.
12393 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
12395 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
12396 Only fall back to saying it points to readonly memory if
12397 we can't do better.
12399 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
12401 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
12402 * config/m32r/m32r.c (m32r_compute_frame_size,
12403 m32r_expand_prologue): Take current_function_profile into
12404 account whenever we reference
12405 current_function_uses_pic_offset_table.
12406 (m32r_finalize_pic): Remove.
12407 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
12409 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
12411 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
12412 instead of $<. Don't remove ./as if it already exists.
12414 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12417 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
12418 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
12419 for complex modes when generating code for PA 1.0.
12420 (VALID_FP_MODE_P): New macro.
12421 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
12422 sets for all general and floating point modes. Align wide floating
12423 point modes to even register boundaries to comply with architectural
12425 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
12426 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
12427 (VALID_FP_MODE_P): New macro.
12428 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
12429 sets for all general and floating point modes. Align wide floating
12430 point modes to even register boundaries to comply with architectural
12433 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12435 * tree-dump.c (dump_files): Initialize dump number for .cgraph
12438 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12440 * tree-ssa-structalias.c: Don't include expr.h.
12442 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12444 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
12447 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
12449 Fix PR tree-optimization/22279
12451 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
12454 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
12456 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
12458 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
12460 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
12461 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
12462 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
12463 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
12464 config/stormy16/stormy16.c, config/v850/v850.c,
12465 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
12466 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
12467 Avoid "." or "\n" at end of diagnostics and capital letters at
12468 start of diagnostics.
12469 * combine.c, cse.c: Don't translate dump file output.
12470 * toplev.c (print_version): Only translate output if going to
12473 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
12475 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
12476 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
12479 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12481 * pa.c (fix_range): Fix typo in comment.
12483 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
12485 * tree-vrp.c (extract_range_from_assert): Replace
12486 fold (build (...)) with fold_build2.
12488 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12490 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
12491 gcc_gfc_char_table, init_dynamic_gfc_info): New.
12492 (format_types_orig, handle_format_attribute): Add support for
12495 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
12497 * varasm.c (assemble_variable): Fix format specifier thinko.
12499 2005-07-03 Ira Rosen <irar@il.ibm.com>
12501 PR tree-optimization/22029 (and 22135)
12502 * tree-pretty-print.c (dump_generic_node): Check that the node is not
12503 a phi node before calling dump_vops.
12505 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
12507 * tree-dump.h (dump_string_field): Declare.
12508 * tree-dump.c: Use it instead of dump_string.
12509 (dump_string_field): Make non-static.
12511 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
12513 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
12514 up the minimal CFG stuff always when optimize > 0. Call
12515 split_all_insns_noflow in PIC case if needed.
12517 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
12518 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
12521 * c-decl.c (c_write_global_declarations): Dump contents of
12523 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12524 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12525 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12526 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12529 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
12531 * c-common.h (GCC_DIAG_STYLE): Define.
12532 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
12533 version for format checking to 4.1.
12534 * c-format.c: Include toplev.h after c-common.h.
12535 (enum format_type): Add gcc_tdiag_format_type.
12536 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12537 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12538 (format_types_orig): Add gcc_tdiag.
12539 (init_dynamic_diag_info): Support gcc_tdiag formats.
12540 (handle_format_attribute): Likewise.
12541 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12542 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
12543 version for format checking to 4.1.
12544 (warning0, warning, error, pedwarn, sorry): Use
12545 ATTRIBUTE_GCC_DIAG.
12546 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12547 (finish_aliases_1): Do not use %qE.
12548 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12549 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12550 Correct format bugs.
12551 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12552 parameter to unsigned HOST_WIDE_INT.
12553 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12555 2005-07-02 David Edelsohn <edelsohn@gnu.org>
12557 PR middle-end/21742
12558 * expr.c (write_complex_part): Use adjust_address for MEM.
12559 (read_complex_part): Same.
12561 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
12563 Fix PR tree-optimization/22280
12565 * tree-sra.c (generate_element_init): Remove useless loop.
12567 2005-07-02 Richard Henderson <rth@redhat.com>
12569 * config/alpha/alpha.c (alpha_legitimize_address): Check for
12571 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12573 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
12575 PR middle-end/14490
12576 * fold-const.c (fold_binary): Handle the return value of
12577 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12578 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12580 2005-07-02 Jeff Law <law@redhat.com>
12582 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12583 a eliminate type conversion which feeds an equality comparison
12584 if the original type or either operand in the comparison is a
12587 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
12589 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12590 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12592 * config/avr/avr.c: Do not use '`' as left quote.
12593 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12594 Remove "." from end of diagnostics. Make diagnostics start with
12597 2005-07-02 Zack Weinberg <zack@codesourcery.com>
12598 Joseph S. Myers <joseph@codesourcery.com>
12600 * toplev.c (default_tree_printer): Handle setting location with
12602 * c-objc.common.c (c_tree_printer): Likewise.
12603 * c-format.c (gcc_diag_flag_specs): Add '+'.
12604 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12605 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12607 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12608 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12609 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12610 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12611 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12612 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
12613 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
12614 format arguments where %J is used without %D.
12616 2005-07-02 Jakub Jelinek <jakub@redhat.com>
12618 * gcc.c (LINK_SSP_SPEC): Define.
12619 (link_ssp_spec): New variable.
12620 (LINK_COMMAND_SPEC): Add %(link_ssp).
12621 (static_specs): Add link_ssp_spec.
12622 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12623 * configure: Rebuilt.
12624 * config.in: Rebuilt.
12626 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12627 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12628 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12629 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12630 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12631 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12632 -0x7008(2) instead of reading __stack_chk_guard variable.
12633 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12635 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12636 (stack_protect_set, stack_protect_test): Use *_tls* patterns
12637 if TARGET_THREAD_SSP_OFFSET is defined.
12638 (stack_tls_protect_set_si, stack_tls_protect_set_di,
12639 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12642 2005-06-27 Richard Henderson <rth@redhat.com>
12643 * libgcc-std.ver (GCC_4.1.0): New.
12644 * libgcc.h (__stack_chk_guard): Declare.
12645 (__stack_chk_fail, __stack_chk_fail_local): Declare.
12646 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12647 * mklibgcc.in (lib2funcs): Add them.
12649 2005-07-01 Richard Henderson <rth@redhat.com>
12651 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12652 void * before struct sigcontext *.
12653 (x86_fallback_frame_state): Likewise.
12655 2005-07-01 James E. Wilson <wilson@specifixinc.com>
12657 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12659 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12662 * tree-ssa-reassoc.c (should_transpose): Fix which operand
12663 we check for SSA_NAME for.
12665 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
12667 Fix PR tree-optimization/22071
12669 * tree-ssa-structalias.c (offset_overlaps_with_access): New
12671 (get_constraint_for_component_ref): Use it.
12673 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12676 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12677 print out the last new line.
12679 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
12681 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12682 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12683 * config/cris/cris.c (cris_conditional_register_usage): Adjust
12684 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12685 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12686 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12687 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12688 (enum reg_class): New member CC0_REGS.
12689 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12690 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12691 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12692 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12693 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12694 Adjust for register now described.
12696 2005-07-01 Jakub Jelinek <jakub@redhat.com>
12699 * config/i386/i386.md (stack_protect_test_si,
12700 stack_protect_test_di): Add earlyclobber for scratch 3.
12701 * config/rs6000/rs6000.md (stack_protect_testsi,
12702 stack_protect_testdi): Add earlyclobber for scratch 3,
12703 remove earlyclobber from scratch 4.
12705 Older entries for 2005 can be found in ChangeLog-2005.