1 2005-12-22 Kazu Hirata <kazu@codesourcery.com>
3 * tree-vrp.c (extract_range_from_binary_expr): Clean up uses
6 2005-12-21 Joseph S. Myers <joseph@codesourcery.com>
9 * config/arm/t-arm-elf (LIB1ASMFUNCS): Add _floatundidf and
12 2005-12-21 Andrew Haley <aph@redhat.com>
15 * recog.c (peephole2_optimize): Don't peephole any
16 RTX_FRAME_RELATED_P insns.
18 2005-12-21 Kazu Hirata <kazu@codesourcery.com>
20 * tree-data-ref.c (estimate_niter_from_size_of_data): Replace
21 fold_build2 with fold_binary.
22 * tree-ssa-ccp.c (visit_assignment, maybe_fold_stmt_addition):
23 Replace fold_build1 with fold_unary.
24 * tree-ssa-reassoc.c (optimize_ops_list): Replace fold_build2
27 2005-12-21 Steven Bosscher <stevenb@suse.de>
29 PR rtl-optimization/25196
30 * postreload-gcse.c (record_last_set_info): Notice stack pointer
31 changes in push insns without REG_INC notes.
33 2005-12-21 Kazu Hirata <kazu@codesourcery.com>
35 PR tree-optimization/25382.
36 * tree-vrp.c (extract_range_from_binary_expr): Extract a range
39 2005-12-21 Janis Johnson <janis187@us.ibm.com>
40 Ben Elliston <bje@au.ibm.com>
42 * configure.ac: Enable C extension for decimal float if invoked
43 with --enable-decimal-float.
44 * doc/install.texi (Configuration): Document it.
45 * configure, config.in: Regenerate.
47 2005-12-20 Mike Stump <mrs@apple.com>
49 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Handle the
50 ambiguity between -seg_addr_table and -seg_addr_table_filename.
51 (WORD_SWITCH_TAKES_ARG): Likewise.
52 (LINK_SPEC): Likewise.
54 2005-12-20 Kenneth Zadeck <zadeck@naturalbridge.com>
56 * cfganal.c (flow_reverse_top_sort_order_compute):
57 Renamed to post_order_compute and additional parameter added which
58 allows the inclusion of entry and exit blocks into list.
59 (mark_dfs_back_edges): Fixed comment.
60 (flow_depth_first_order_compute): Renamed to
61 pre_and_rev_post_order_compute additional parameter added which
62 allows the inclusion of entry and exit blocks into list.
63 * global.c (set_up_bb_rts_numbers): Call to
64 flow_reverse_top_sort_order_compute renamed to
66 * var-tracking.c (vt_stack_adjustments): Fixed comment.
67 (vt_find_locations): Call to
68 flow_depth_first_order_compute renamed to
69 pre_and_rev_post_order_compute.
70 * cfgloop.c (flow_find_loops): Ditto.
71 * tree-ssa-reassoc.c (init_reassoc): Ditto.
72 * df.c (df_analyze_1, df_analyze_subcfg): Calls to
73 flow_reverse_top_sort_order_compute renamed to post_order_compute
74 and calls to flow_reverse_top_sort_order_compute renamed to
76 * basic_block.h: Ditto.
79 2005-12-20 Roger Sayle <roger@eyesopen.com>
80 Paolo Bonzini <bonzini@gnu.org>
82 PR rtl-optimization/25115
83 * gcse.c (pre_insert_copy_insn): Fall back to the sole
84 SET in the insn if there is no SET for an
85 expression that is equivalent to EXPR.
87 2005-12-20 Richard Guenther <rguenther@suse.de>
90 * builtins.c (std_gimplify_va_arg_expr): Do not align
91 va frame for zero sized types.
92 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
94 2005-12-20 Kazu Hirata <kazu@codesourcery.com>
96 PR tree-optimization/25501
97 * tree-cfgcleanup.c (merge_phi_nodes): Check that RESULT is
98 used in the PHI argument corresponding to the edge from BB to
101 2005-12-20 Richard Guenther <rguenther@suse.de>
104 2005-12-02 Richard Guenther <rguenther@suse.de>
106 * tree-cfg.c (mark_used_vars): New function.
107 (dump_function_to_file): Dump only used VAR_DECLs.
109 2005-12-19 Roger Sayle <roger@eyesopen.com>
111 * combine.c (try_combine): Improve splitting of binary operators
112 by taking advantage of reassociative transformations.
114 2005-12-19 Jeff Law <law@redhat.com>
116 * tree-ssa-dom.c (thread_across_edge): Do not use local_fold.
117 Strip away all type conversions after simplifying the
120 * tree-cfgcleanup.c (merge_phi_nodes): Allow merging in some
121 cases the forwarder block dominates the destination.
123 2005-12-19 DJ Delorie <dj@redhat.com>
125 * reload1.c (spill_failure): Dump reload data to dump file.
126 (find_reload_regs): Likewise.
128 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
130 PR tree-optimization/24793
131 * tree-ssa-loop-ivopts.c (get_ref_tag): Remember the
132 original reference if there are subvars.
133 * tree-ssa-operands.c (get_tmr_operands): Handle subvars.
135 2005-12-19 Kenneth Zadeck <zadeck@naturalbridge.com>
137 * df.c (df_analyze_1, df_analyze_subcfg, iterative_dataflow):
138 Corrected basic block number calculations for changes in entry and
141 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
143 * tree-flow.h (struct var_ann_d): Change type of
144 may_aliases field to VEC(tree, gc) *.
145 (may_aliases): Declaration changed.
146 * tree-ssa-alias.c (group_aliases, add_may_alias,
147 replace_may_alias, dump_may_aliases_for,
148 is_aliased_with, add_type_alias, new_type_alias):
149 Work with VEC(tree, gc) * instead of varray.
150 * tree-flow-inline.h (may_aliases): Ditto.
151 * tree-ssa.c (verify_flow_insensitive_alias_info,
152 verify_name_tags): Ditto.
153 * tree-ssa-operands.c (add_stmt_operand): Ditto.
155 2005-12-19 J"orn Rennecke <joern.rennecke@st.com>
157 * cfgcleanup.c: Temporarily revert patches for PR 20070 till Bernd
160 2005-12-19 J"orn Rennecke <joern.rennecke@st.com>
162 * struct-equiv.c (struct_equiv_improve_checkpoint): Fix sets_cc0_p
165 2005-12-19 Ben Elliston <bje@au.ibm.com>
167 * doc/install.texi (Configuration): Typo in Fortran subheading.
169 2005-12-19 Nathan Sidwell <nathan@codesourcery.com>
171 * config/mt/mt.md (decrement_and_branch_until_zero): Add another
172 scratch. Correct its reload split. Adjust its peephole.
173 (doloop_end): Add additional scratch.
175 * config/mt/mt.c (MT_INT_ARG_FIRST): Remove.
176 (mt_asm_output_opcode, mt_print_operand): Use 'nop'.
177 (mt_function_arg_slotno): Use FIRST_ARG_REGNUM.
178 (mt_builtin_saveregs): Replace with ...
179 (mt_setup_incoming_varargs): ... here. Save just the varadic
181 (mt_va_start): Remove.
182 (mt_reorg_hazard): Ignore USE insns. Don't call set_noop_p.
183 (mt_machine_reorg): Split all insns here.
184 (TARGET_SETUP_INCOMING_VARARGS): Override.
185 * config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only.
187 (EXPAND_BUILTIN_VA_START): Remove.
189 2005-12-17 Kenneth Zadeck <zadeck@naturalbridge.com>
191 * flow.c (update_life_info, count_or_remove_death_notes): Fixed
192 latent bug that could happen if update_life_info was called with a
193 blocks parameter and the call to cleanup_cfg actually deleted one
196 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
198 * tree-ssa-structalias.c (update_alias_info): Remove handling
199 of may_be_aliased (SSA_NAME_VAR (op)) case.
201 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
203 * tree-flow.h (struct stmt_ann_d): Remove
204 makes_aliased_loads and makes_aliased_stores fields.
205 * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores
206 and makes_aliased_loads fields.
207 * tree-ssa-dom.c (eliminate_redundant_computations): Do not
208 use makes_aliased_stores.
209 * tree-ssa-operands.c (clobbered_aliased_loads,
210 clobbered_aliased_stores, ro_call_aliased_loads): Removed.
211 (build_ssa_operands, add_stmt_operand, add_call_clobber_ops,
212 add_call_read_ops): Do not set makes_aliased_stores and
213 makes_aliased_loads fields.
214 * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores
217 2005-12-18 Geoffrey Keating <geoffk@apple.com>
219 * config/darwin.h: Don't include darwin-sections.def to declare
220 global variables; instead create darwin_section_enum.
221 (darwin_section_enum): New.
222 (darwin_sections): New.
223 * config/darwin.c: Don't include darwin-sections.def to define
225 (darwin_sections): New.
226 (output_objc_section_asm_op): Rewrite to take advantage of
228 (darwin_init_sections): Rewrite to use darwin_sections.
229 (machopic_output_indirection): Update for darwin_sections array.
230 (machopic_select_section): Likewise.
231 (machopic_select_rtx_section): Likewise.
232 (machopic_asm_out_constructor): Likewise.
233 (machopic_asm_out_destructor): Likewise.
234 (darwin_file_end): Likewise.
235 * config/rs6000/rs6000.c (machopic_output_stub): Likewise.
236 * config/i386/i386.c (machopic_output_stub): Likewise.
238 2005-12-18 Richard Guenther <rguenther@suse.de>
240 PR tree-optimization/25481
241 * tree-ssa-structalias.c (handle_ptr_arith): Handle accesses we
242 don't have a varinfo for.
244 2005-12-18 Jon Grimm <jgrimm2@us.ibm.com>
245 Janis Johnson <janis187@us.ibm.com>
246 Ben Elliston <bje@au.ibm.com>
248 * optabs.c (init_floating_libfuncs): Handle decimal float modes.
249 (init_optabs): Handle libfuncs for decimal float.
250 * genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
251 * stor-layout.c (int_mode_for_mode): Likewise.
252 * simplify-rtx.c (simplify_immed_subreg): Likewise.
253 (simplify_unary_operation_1): Skip optimisations for decimal float
255 * varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
256 * emit-rtl.c (gen_const_vector): Add assertion check.
257 (init_emit_once): Populate const_tiny_rtx with constants in each
259 * expmed.c (extract_high_half, expand_mult_highpart_optab,
260 expand_mult_highpart): Assert that mode is not a scalar float
262 * expr.c (convert_move): Handle conversion between decimal and
263 binary floats of the same size.
264 * convert.c (convert_to_real): Consider decimal float types when
266 * dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
267 describe decimal floating point types.
269 2005-12-18 Ulrich Weigand <uweigand@de.ibm.com>
271 PR rtl-optimization/21041
272 * reload.c (find_reloads_subreg_address): Replace paradoxical
273 subreg of MEM by widened access only if the resulting memory
274 is properly aligned, even on !STRICT_ALIGNMENT targets.
276 2005-12-18 Andreas Krebbel <krebbel1@de.ibm.com>
278 * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.
280 2005-12-18 Steven Bosscher <stevenb@suse.de>
282 * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
283 the 2005-12-17 patch to renumber the entry and exit blocks.
285 2005-12-18 Gabriel Dos Reis <gdr@integrable-solutions.net>
287 * doc/objc.texi (Type encoding): Fix typo.
289 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
291 * tree-tailcall.c (find_tail_calls): Use XNEW.
292 * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
293 (free_all_edge_infos): Use explicit cast to convert from void *.
294 (vrp_free): Likewise.
295 (dom_opt_finalize_block): Likewise.
296 (record_equivalences_from_incoming_edge): Likewise.
297 (thread_across_edge): Likewise. Use XCNEWVEC.
298 (record_cond): Use XCNEW.
299 (record_conditions): Use XNEWVEC.
300 (record_edge_info): Use XCNEWVEC.
301 (lookup_avail_expr): Use XNEW.
302 (record_range): Likewise. Use GGC_NEW.
303 * tree-nested.c (var_map_hash): Use explicit cast to convert from
305 (var_map_eq): Likewise.
306 (lookup_field_for_decl): Likewise.
307 (convert_nonlocal_reference): Likewise.
308 (convert_local_reference): Likewise.
309 (convert_nl_goto_reference): Likewise.
310 (convert_nl_goto_receiver): Likewise.
311 (convert_call_expr): Likewise.
312 (convert_tramp_reference): Likewise.
313 (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
314 (convert_nl_goto_reference): Likewise.
315 (lookup_field_for_decl): Use GGC_NEW.
316 (create_nesting_tree): Use GGC_CNEW.
317 * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
318 * tree-ssa-alias.c (init_alias_info): Use XCNEW.
319 (create_alias_map_for): Likewise.
320 (setup_pointers_and_addressables): Use XCNEWVEC.
321 (get_ptr_info): Use GGC_NEW.
322 (used_part_map_eq): Use explicit cast to convert from void *.
323 (up_lookup): Likewise.
324 (up_insert): Use XNEW.
325 (get_or_create_used_part_for): Use XCNEW.
326 (get_tmt_for): Likewise.
327 * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
328 * tree-ssa-pre.c (phi_trans_add): Use XNEW.
329 (bitmap_set_new): Use explicit cast to convert from void *.
331 (insert_into_set): Likewise.
332 (pool_copy_list): Likewise.
333 (phi_translate): Likewise.
334 (create_value_expr_from): Likewise.
335 (insert_aux): Use XCNEWVEC.
336 (compute_avail): Use XNEWVEC.
337 * tree-ssa-live.c (calculate_live_on_entry): Likewise.
338 (sort_coalesce_list): Likewise.
339 (build_tree_conflict_graph): Use XCNEWVEC.
340 * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
341 * tree-ssa-copy.c (init_copy_prop): Likewise.
342 (fini_copy_prop): Likewise.
343 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
345 (record_equiv): Use XNEW.
346 (uncprop_into_successor_phis): Use explicit cast to convert from
348 (uncprop_initialize_block): Likewise.
350 2005-12-18 Dorit Nuzman <dorit@il.ibm.com>
352 PR tree-optimization/24378
353 * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
354 basic-block after loop-versioning.
356 2005-12-18 Jeff Law <law@redhat.com>
358 * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
359 to simplify SWITCH_EXPR_CODE moved from here to ...
360 * tree-ssa-forwprop.c (simplify_switch_expr): Here.
361 (tree-ssa-forward_propagate_single_use_vars): Call
362 simplify_switch_expr when appropriate.
364 2005-12-17 Andrew Pinski <pinskia@physics.uc.edu>
366 * doc/objc.texi (Type encoding): Add documentation about encoding
367 complex types and _Bool.
369 2005-12-17 Paul Brook <paul@codesourcery.com>
371 * config/m68k/m68k.md (m68k_output_function_prologue): Always call
372 dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
373 when frame_pointer_needed.
375 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
377 * tree-vn.c (vn_add): Use XNEW.
378 * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
379 (ccp_fold): Likewise.
380 (fold_stmt_r): Use explicit cast to convert from void *.
381 * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
382 (new_temp_expr_table): Likewise.
383 * gimplify.c (lookup_tmp_var): Use XNEW.
384 (gimplify_asm_expr): Use explcit cast to convert from void *.
385 * tree-into-ssa.c (get_ssa_name_ann): Likewise.
386 (get_def_blocks_for): Use XNEW.
387 (add_to_repl_tbl): Likewise.
388 (mark_def_sites): Use explicit cast to convert from void *.
389 (def_blocks_free): Likewise.
390 (mark_def_sites_initialize_block): Likewise.
391 (update_ssa): Use XNEWVEC.
392 * tree-dfa.c (create_var_ann): Use GGC_NEW.
393 (create_stmt_ann): Likewise.
394 (create_tree_ann): Likewise.
395 (referenced_var_insert): Likewise.
396 (set_default_def): Likewise.
397 (referenced_var_lookup_if_exists): Use explicit cast to convert
399 (referenced_var_lookup): Likewise.
400 (default_def): Likewise.
401 (set_default_def): Likewise.
402 * tree-cfg.c (create_bb): Likewise.
403 (edge_to_cases_cleanup): Likewise.
404 (verify_node_sharing): Likewise.
405 (record_switch_edge): Use XNEW.
406 (cleanup_dead_labels): Use XCNEWVEC.
407 (tree_duplicate_sese_region): Use XNEWVEC.
408 * tree-scalar-evolution.c (get_instantiated_value): Likewise.
409 * tree-ssa.c (verify_ssa): Use XCNEWVEC.
410 (int_tree_map_eq): Use explicit cast to convert from void *.
411 * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
412 (__gcov_execl): Likewise.
413 (__gcov_execlp): Likewise.
414 (__gcov_execle): Likewise.
415 * tree-eh.c (struct_ptr_eq): Likewise.
416 (struct_ptr_hash): Likewise.
417 (lookup_stmt_eh_region_fn): Likewise.
418 (outside_finally_tree): Likewise.
419 (find_goto_replacement): Likewise.
420 (make_eh_edge): Likewise.
421 (mark_eh_edge): Likewise.
422 (add_stmt_to_eh_region_fn): Use GGC_NEW.
423 (record_in_finally_tree): Use XNEW.
424 (maybe_record_in_goto_queue): Use XRESIZEVEC.
425 (lower_try_finally_copy): Use XCNEWVEC.
427 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
429 * tree-inline.c (copy_body_r): Use explicit cast when converting
432 (copy_edges_for_bb): Likewise.
433 (remap_decl_1): Likewise.
434 (estimate_num_insns_1): Likewise.
435 * cgraph.c (hash_node): Use explicit cast when converting from
438 (cgraph_create_node): Use GGC_CNEW.
439 (cgraph_create_edge): Use GGC_NEW.
440 (cgraph_remove_node): Use explicit cast when converting from void *.
441 (hash_varpool_node): Likewise.
442 (eq_varpool_node): Likewise.
443 (cgraph_varpool_node): Use GGC_CNEW.
444 * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
445 * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
446 (eq_scev_info): Use explicit cast when converting from void *.
447 (find_var_scev_info): Likewise.
448 (set_instantiated_value): Likewise.
449 (gather_stats_on_scev_database_1): Likewise.
450 * cfgloop.h (simple_loop_desc): Use explicit cast when converting
452 * c-pch.c (c_common_write_pch): Use XNEWVEC.
453 (c_common_read_pch): Likewise.
454 * prefix.c (save_string): Use XNEWVEC.
455 (translate_name): Use explicit cast when converting from void *.
456 * c-ppoutput.c (print_line): Use explicit cast when converting
458 (pp_dir_change): Likewise.
459 * c-cppbuiltin.c (builtin_define_std): Likewise.
460 (builtin_define_with_value): Likewise.
461 (builtin_define_with_value_n): Likewise.
462 (builtin_define_with_int_value): Likewise.
463 (builtin_define_type_max): Likewise.
464 * c-incpath.c (add_env_var_paths): Use XNEWVEC.
465 (add_path): Use XNEW.
466 * c-format.c (check_format_info_main): Use GGC_NEW.
467 (format_type_warning): Use explicit cast when converting from void *.
468 * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
470 (start_init): Likewise.
471 * tree-flow-inline.h (first_referenced_var): Use explicit cast
472 when converting from void *.
473 (next_referenced_var): Likewise.
474 * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
475 * gensupport.c (lookup_predicate): Use explicit cast to convert
477 (init_predicate_table): Use XCNEW instead of xcalloc.
478 * genpreds.c (process_define_predicate): Likewise.
480 2005-12-17 Danny Berlin <dberlin@dberlin.org>
481 Kenneth Zadeck <zadeck@naturalbridge.com>
483 * basic-block.h: Changed basic block numbering so that the entry
484 block is 0 and the exit block is 1. Changed insn iterators so
485 that they are tolerant of blocks with no insns.
486 * regrename.c (copyprop_hardreg_forward): Changed basic block
487 numbering so that the entry block is 0 and the exit block is 1.
488 * sched-ebb.c (sehedule_ebbs): Ditto.
489 * tracer.c (branch_ratio_cutoff): Ditto.
490 * cfgloopmanip.c (fix_loop_structure): Ditto.
491 * cfghooks.c (verify_flow_info): Ditto.
492 * cfg.c (compact_blocks): Ditto.
493 * reorg.c (dbr_schedule): Ditto.
494 * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
495 * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
496 calculate_dominance_info): Ditto.
497 * cfganal.c (create_edge_list, print_edge_list,
498 flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
499 flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
500 dfs_enumerate_from): Ditto.
501 * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
502 * ifcvt.c (find_if_case_2): Ditto.
503 * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
504 find_basic_blocks): Ditto.
505 * predict.c (predict_loops, tree_bb_level_predictions,
506 predict_paths_leading_to, propagate_freq): Ditto.
507 * lcm.c (compute_antinout_edge, compute_laterin,
508 compute_available): Ditto.
509 * function.c (thread_prologue_and_epilogue_insns): Ditto.
510 * gcse.c (gcse_main, bypass_jumps): Ditto.
511 * profile.c (compute_branch_probabilities,
512 compute_value_histograms, branch_prob): Ditto.
513 * tree-flow-inline.h (bsi_start, bsi_after_labels,
515 * tree-ssa-phiopt.c (tree_ssa_phiopt,
516 blocks_in_phiopt_order): Ditto.
517 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
518 compute_out, link_btr_uses, migrate_btr_defs): Ditto.
519 * tree-dfa.c (collect_dfa_stats): Ditto.
520 * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
521 * cfglayout.c (fixup_reorder_chain): Ditto.
522 * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
523 partition_hot_cold_basic_blocks): Ditto.
524 * var-tracking.c (vt_find_locations): Ditto.
525 * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
526 * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
527 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
528 label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
529 * tree-ssa-reassoc.c (init_reassoc): Ditto.
530 * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
531 rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
532 * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
533 and removed unused reverse orders.
535 * combine.c: Fix document typo.
537 2005-12-17 Jan Hubicka <jh@suse.cz>
539 * tree-flow-inline.h (set_default_def, default_def): Kill.
540 * tree-dfa.c (default_defs): New global variable.
541 (default_def, set_default_def): New functions.
542 * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
543 * tree-flow.h (struct var_ann_d): Kill default_def field.
544 (set_default_def, default_def): Update prototype.
545 (default_defs): Declare.
547 2005-12-16 Jeff Law <law@redhat.com>
549 * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
550 (simplify_rhs_and_lookup_avail_expr): Kill. Remnants moved
551 into tree-ssa-forwprop.c.
552 (eliminate_redundant_computations): Do not call
553 simplify_rhs_and_lookup_avail_expr anymore.
554 * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
555 extracted from remnants of simplify_rhs_and_lookup_avail_expr.
556 (tree_ssa_forward_propagate_single_use_vars): Call
557 simplify_not_neg_expr appropriately.
559 2005-12-16 Bernd Trog <berndtrog@yahoo.com>
562 * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
564 2005-12-17 Kazu Hirata <kazu@codesourcery.com>
566 PR rtl-optimization/25456
567 * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
568 info->x_start with p->x_start.
570 2005-12-17 Alan Modra <amodra@bigpond.net.au>
572 * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
573 introduced 2005-12-16.
575 2005-12-16 Steven Bosscher <stevenb@suse.de>
577 PR rtl-optimization/23837
578 * optabs.c (expand_binop): For a multi-word rotate, never emit
579 a REG_NO_CONFLICT block.
581 2005-12-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
584 * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
587 * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
590 2005-12-16 Steven Bosscher <stevenb@suse.de>
592 * loop-invariant.c (move_loop_invariants): Add missing hunk from
593 the previous patch, to nullify df.
595 2005-12-16 Steven Bosscher <stevenb@suse.de>
597 * reorg.c (mostly_true_jump): Clean up code depending on
598 LABEL_OUTSIDE_LOOP_P and loop notes. Remove code doing
599 poor man's branch prediction, instead rely on REG_BR_PROB
600 notes to be available.
602 2005-12-16 Jakub Jelinek <jakub@redhat.com>
604 PR rtl-optimization/24899
605 * loop.c (strength_reduce): Don't reduce giv that is not always
606 computable and where add_val or mult_val can trap.
608 * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
610 2005-12-16 Nathan Sidwell <nathan@codesourcery.com>
612 * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
613 names of ms1-16-002 files.
615 2005-12-16 Alan Modra <amodra@bigpond.net.au>
618 * gcc.c (for_each_path): New function.
619 (add_to_obstack, file_at_path): New functions.
620 (struct file_at_path_info, struct add_to_obstack_info): New.
621 (build_search_list): Rewrite using for_each_path. Constify struct
622 path_prefix pointer. Add do_multi param. Adjust all callers.
623 (find_a_file): Similarly, but just change existing param to bool.
624 (putenv_from_prefixes): Add do_multi param, make "paths" const.
625 (do_spec_path): Delete.
626 (struct spec_path_info): New.
627 (spec_path): New function.
628 (do_spec_1): Use for_each_path for %D and %I.
629 (find_file): Adjust for find_a_file changes.
630 (main): Search multilibs for specs. Print multilib lib path for
631 -print-search-dirs. Likewise add multilibs to LIBRARY_PATH_ENV.
632 (read_specs): Search multilibs for %include and %include_noerr.
633 (is_directory): Remove second string param. Change last param
634 to a bool. Don't use concat. Remove SMALL_ARG_MAX test, always
635 check path is a dir. Update all callers.
636 * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
637 * system.h (SMALL_ARG_MAX): Poison.
638 * config.gcc: Don't define SMALL_ARG_MAX.
639 * config.host: Likewise.
640 * config.build: Likewise.
642 2005-12-16 Paolo Bonzini <bonzini@gnu.org>
644 * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
645 FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
646 ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
647 simplify_logical): Move simplifications that do not require
648 additional infrastructure...
649 * simplify-rtx.c (simplify_unary_operation_1,
650 simplify_binary_operation_1): ... here.
652 2005-12-16 Andreas Krebbel <krebbel1@de.ibm.com>
655 * flow.c (mark_used_dest_regs): New function.
656 (mark_used_regs): Call mark_used_dest_regs.
658 2005-12-16 Jeff Law <law@redhat.com>
660 * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
661 represent a use and definition of the same SSA_NAME.
663 2005-12-16 Jon Grimm <jgrimm2@us.ibm.com>
664 Janis Johnson <janis187@us.ibm.com>
665 Ben Elliston <bje@au.ibm.com>
667 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
668 (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
669 * target.h (struct gcc_target): Add decimal_float_supported_p.
670 * targhooks.c (default_scalar_mode_supported_p): Handle
672 * builtins.def: Add new builtins for 32, 64 and 128 bit variants
673 of inf, nan, finite, isinf and isnan.
674 * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
675 BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
676 BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
677 BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
678 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
679 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
680 BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
681 * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
682 Pedwarn if decimal floating point types are used. Error if
683 decimal floating point is not supported by the target.
684 (finish_declspecs): Return type from DFP typespec_word.
685 * c-typeck.c (c_common_type): Choose the decimal floating point
686 type with the greater precision when determining a common type.
687 (convert_arguments): Warn if there is a mismatch between argument
688 and prototype for decimal float types. Warn of conversions with
689 binary float types and of precision narrowing due to prototype.
690 * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
691 (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
692 (c_token_starts_declspecs): Likewise.
693 (c_parser_attributes): Likewise.
694 * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
695 RID_DFLOAT64, RID_DFLOAT128.
696 (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
697 * c-common.c (c_common_type_for_mode): Handle decimal float modes.
698 (shorten_compare): Convert DFP/BFP operands to a common type.
699 (c_common_modes_and_builtins): Register built-in decimal float
700 types if the target supports them.
701 (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
702 * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
703 inf, nan, finite, isinf and isnan builtins.
704 * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
705 (builtin_define_float_constants): Assert non-decimal radix.
706 (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
707 Call builtin_define_decimal_float_constants for each type.
708 * c-lex.c (interpret_float): Decode decimal float types from CPP_N
709 flags. Use real_from_string3, which can handle binary or decimal
711 * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
712 cts_dfloat64, cts_dfloat128.
713 * tree.c (build_common_tree_nodes_2): Add decimal float types.
714 * tree.h (enum tree_index): Add new enumeration values
715 TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
716 TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
717 (dfloat32_type_node): New macro.
718 (dfloat64_type_node, dfloat128_type_node): Likewise.
719 (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
720 (dfloat128_ptr_type_node): Likewise.
721 * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
722 bit decimal floating point types with "df", "dd" and "dl".
723 * c-format.h (enum format_lengths): Add new enumeration values
724 FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
725 * c-format.c (printf_length_specs, scanf_length_specs): Add
726 entries for H, D, DD.
727 (print_char_table, scan_char_table): Use new entries.
728 (asm_fprintf_char_table, gcc_diag_char_table,
729 gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
731 * defaults.h (DECIMAL32_TYPE_SIZE): Define.
732 (DECIMAL64_TYPE_SIZE): Likewise.
733 (DECIMAL128_TYPE_SIZE): Likewise.
734 (TARGET_DEC_EVAL_METHOD): Likewise.
735 * doc/extend.texi (Decimal Float): New node.
736 (Constructing Calls): Document decimal float built-ins.
737 * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
738 * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
739 * ginclude/decfloat.h: New file.
741 2005-12-16 Alan Modra <amodra@bigpond.net.au>
743 * reload.c (find_reloads): Fix comment typo.
744 * recog.h (recog_memoized): Correct comment.
746 2005-12-16 Kazu Hirata <kazu@codesourcery.com>
748 * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
749 config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
750 reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
751 tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
752 * doc/invoke.texi, doc/tm.texi: Fix typos.
754 2005-12-16 Ben Elliston <bje@au.ibm.com>
756 * real.c (decimal_quad_format): Correct values for emin, emax.
758 2005-12-15 DJ Delorie <dj@redhat.com>
760 * config/m32c/predicates.md (m32c_psi_scale): New.
761 * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
762 * config/m32c/muldiv.md (mulpsi3): Support negative constants.
764 2005-12-16 Jan Hubicka <jh@suse.cz>
766 PR rtl-optimization/25224
767 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
770 2005-12-15 Zdenek Dvorak <dvorakz@suse.cz>
771 Steven Bosscher <stevenb@suse.de>
773 * loop-invariant.c (df): New global variable.
774 (find_defs, check_dependencies, find_invariant_insn, record_uses,
775 find_invariants_bb, find_invariants_body, find_invariants,
776 find_invariants_to_move, move_invariants, free_inv_motion_data,
777 move_single_loop_invariants, move_loop_invariants): Do not pass df in
780 2005-12-15 Jakub Jelinek <jakub@redhat.com>
782 * varasm.c (default_unique_section_1): Use special section
783 names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
785 2005-12-16 Ben Elliston <bje@au.ibm.com>
787 * doc/invoke.texi (Warning Options): Document -Walways-true being
790 2005-12-15 Joseph S. Myers <joseph@codesourcery.com>
793 * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
794 * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
795 __floatunditf): Use #error if type sizes don't match requirements
797 (__floatdisf, __floatdidf): Unify. Possibly use XFmode or TFmode
798 as wider floating-point type. Use #error if type sizes don't
799 match requirements of implementation. Avoid overflow in computing
800 Wtype_MAXp1_F * Wtype_MAXp1_F. When special casing conversion,
801 shift one more bit. Cast 1 to DWtype or UDWtype for shifting.
802 (__floatundisf, __floatundidf): Likewise.
803 * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
804 * config/ia64/ia64.c (ia64_init_libfuncs): Use
805 _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
806 TFmode-TImode conversions.
807 * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
809 2005-12-14 Craig Rodrigues <rodrigc@gcc.gnu.org>
811 * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
812 Use builtin_define_with_int_value() instead of
813 adding a new check for every new major FreeBSD version.
815 2005-12-14 Andrew Pinski <pinskia@physics.uc.edu>
817 * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
819 2005-12-15 Richard Sandiford <richard@codesourcery.com>
821 * config/arm/predicates.md (call_memory_operand): New.
822 * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
824 2005-12-15 Andrew Haley <aph@redhat.com>
826 * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
827 against prev_cache_entry == NULL when moving a cache entry to the
830 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
832 * config/mt/mt.c (mt_override_options): Require lower case
833 architectures. Revert accidental default to ms2.
834 * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
835 ENDFILE_SPEC): Require lower case architectures. Revert default
838 * doc/invoke.texi (MT Options): Rename and update.
839 * doc/md.texi (MorphoTech family): Rename and update.
841 2005-12-15 Olivier Hainque <hainque@adacore.com>
843 * stor-layout.c (layout_type): Don't complain about a too small
844 an array element type size compared to its alignment when the
847 2005-12-15 Jan Hubicka <jh@suse.cz>
850 * i386.c (classify_argument): Properly adjust offset of bitfield for
853 2005-12-15 Richard Sandiford <richard@codesourcery.com>
855 * final.c (final_scan_insn): Flip in_cold_section_p when changing
856 between the hot and cold sections. Use current_function_section
857 to get the new section.
858 * dwarf2out.c (output_line_info): Use in_cold_section_p to
859 determine whether we are assembling hot or cold code.
860 (secname_for_decl, dwarf2out_var_location): Likewise.
861 (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
862 * varasm.c (last_text_section): Delete.
863 (in_cold_section_p): New variable.
864 (hot_function_section): New function.
865 (current_function_section): Pass in_cold_section_p as the
866 reloc argument to select_section. Use it to decide between
867 unlikely_function_section and hot_function_section.
868 (assemble_start_function): Use switch_to_section. Set
869 in_cold_section_p instead of last_text_section.
870 (assemble_end_function): Use switch_to_section.
871 (switch_to_section): Don't set last_text_section.
872 * config/darwin/darwin.c (machopic_select_section): Trust the reloc
873 argument to make the right choice between hot and cold sections.
875 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
877 Second part of MS1->MT renaming
878 * config/mt/mt.md (doloop_end): Call mt_add_loop.
879 (movqi, movhi): Call mt_set_memflags.
880 (*movdf_internal): Call mt_split_words.
881 (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
883 (cmpsi): Store to mt_compare_op[01].
884 (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
885 bungt, bunle, bunlt): Call mt_emit_cbranch.
886 (prologue): Call mt_expand_prologue.
887 (epilogu): Call mt_expend_epilogue.
888 (eh_return): Call mt_expand_eh_return.
889 (eh_epilogue): Call me_emit_eh_epilogue.
890 (conditional_trap): Store to mt_compare_op[01].
891 * config/mt/crti.asm: Adjust comment.
892 * config/mt/crtn.asm: Adjust comment.
893 * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
894 (mt_compare_op0, mt_compare_op1): Renamed.
895 (current_frame_info, zero_frame_info): Adjust type.
896 (mt_ucmpsi3_libcall): Renamed.
897 (mt_flag_delayed_branch): Renamed.
898 (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
899 (mt_nops_required, mt_nop_reasons): Renamed.
900 (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
901 mt_debug_stack, mt_print_operand_simple_address,
902 mt_print_operand_address, mt_print_operand): Renamed, adjusted.
903 (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
904 mt_function_arg_advance, mt_arg_partial_bytes,
905 mt_pass_by_reference, mt_function_arg_boundary,
906 mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
907 mt_legitimate_address_p): Renamed, adjusted.
909 (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
910 mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
911 mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p,
912 mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
913 mt_expand_eh_return, mt_emit_eh_prologue,
914 mt_handl_interrupt_attribute): Renamed, adjusted.
915 (mt_attribute_table): Renamed, adjusted.
916 (mt_initial_elimination_offset, mt_generate_compare,
917 mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
918 mt_secondary_reload_class, mt_function_value, mt_split_words,
919 mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
920 mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
921 (mt_labels): Renamed.
922 (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
923 mt_machine_reorg): Renamed, adjusted.
924 (mt_attribute_table: Renamed.
925 (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
926 TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
927 TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
928 * config/mt/mt.opt (march): Set mt_cpu_string.
929 * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
930 (TARGET_CPU_CPP_BUILTINS): Adjust.
931 (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
933 (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
934 (MT_MIN_INT): Renamed.
935 (RETURN_ADDR_RTX): Adjust.
936 (struct mt_frame_info): Renamed.
937 (current_frame_info): Adjust type.
938 (INITIAL_ELIMINATION_OFFSET): Adjust.
939 (MT_NUM_ARG_REGS): Renamed.
940 (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
941 FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
942 LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
943 GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
944 FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
945 (mt_compare_op0, mt_compare_op1): Renamed.
946 * config/mt/mt-protos.h: Rename prototypes.
948 2005-12-15 Richard Guenther <rguenther@suse.de>
950 * tree-flow.h (okay_component_ref_for_subvars): Remove.
951 (get_ref_base_and_extent): Declare.
952 * tree-dfa.c (okay_component_ref_for_subvars): Remove.
953 (get_ref_base_and_extent): New function.
954 * tree-ssa-alias.c (find_used_portions): Use it.
955 * tree-ssa-structalias.c (get_constraint_for_component_ref):
957 * tree-ssa-operands.c (get_expr_operands): Likewise.
959 2005-12-15 Paolo Bonzini <bonzini@gnu.org>
961 * combine.c: Remove force_to_mode's fourth parameter.
962 (force_to_mode): Do not handle REG.
963 (canon_reg_for_combine): New.
964 (make_field_assignment): Use it where the removed argument was non-NULL.
966 2005-12-15 Alan Modra <amodra@bigpond.net.au>
969 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
970 error_mark_node. Make alignment params unsigned.
971 * config/rs6000/rs6000-protos.h
972 (rs6000_special_round_type_align): Update prototype.
973 (rs6000_machopic_legitimize_pic_address): Remove arg names.
975 2005-12-14 Ulrich Weigand <uweigand@de.ibm.com>
977 PR rtl-optimization/25310
978 * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
979 of the eliminable register when substituting into a PLUS.
981 2005-12-14 Jakub Jelinek <jakub@redhat.com>
984 * config/i386/i386.c (ix86_force_to_memory): Always use
985 SImode push for HImode in -m32.
986 (ix86_free_from_memory): Likewise.
988 2005-12-14 Richard Sandiford <richard@codesourcery.com>
990 * gcc/config/arm/arm.md: Provide a big-endian version of the
991 (zero_extend:SI (subreg:QI ...)) splitter.
993 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
995 * struct-equiv.c (note_local_live): Handle hard regs with different
998 2005-12-14 Jeff Law <law@redhat.com>
1000 * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
1001 to a structure containing state rather than a pointer to bool.
1002 (case ARRAY_REF): New code to handle folding some array references.
1003 (case ADDR_EXPR): Note when we are processing expressions found
1004 within an ADDRE_EXPR.
1005 (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
1006 for state variables rather than just a pointer to a boolean.
1007 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1008 handling of constant string references.
1010 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
1012 * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
1013 ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
1014 ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
1015 Move other tst* patterns to retain partial order.
1017 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
1019 * config/s390/s390.md ("d0", "1"): New mode attributes.
1020 ("<shift>di3", "<shift>si3"): Merge.
1021 ("*<shift>di3_and", "*<shift>si3_and"): Merge.
1022 ("ashrdi3", "ashrsi3"): Merge.
1023 ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
1024 ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
1025 ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
1026 ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
1027 ("*ashrdi3", "*ashrsi3"): Merge.
1028 ("*ashrdi3_and", "*ashrsi3_and"): Merge.
1030 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
1032 * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
1033 ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
1034 ("*extendqidi2", "*extendqisi2") Merge.
1035 ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
1036 ("zero_extendhidi2", "zero_extendqidi2"): Merge.
1037 ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
1038 Move some patterns to retain partial ordering.
1040 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
1042 * config/s390/s390.md ("atype", "length"): Rewrite.
1043 ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
1045 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
1047 * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
1049 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
1051 * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
1052 PARALLELs with a mode.
1054 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
1056 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
1057 cond_expr parameter.
1059 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
1061 * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
1063 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
1067 * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
1070 * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
1072 2005-12-14 Jakub Jelinek <jakub@redhat.com>
1076 * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
1077 DECL_P, call get_section rather than get_named_section. Supply
1078 section flags to it.
1080 2005-12-14 Ben Elliston <bje@au.ibm.com>
1082 * c-common.c (c_common_truthvalue_conversion): Generalise warning
1083 for addresses converted to booleans; not just function addresses.
1084 * c-typeck.c (build_binary_op): Warn for address comparisons which
1085 can never be NULL (eg. func == NULL or &var == NULL).
1086 * common.opt (Walways-true): New option.
1087 * c-opts.c (c_common_handle_option): Set it with -Wall.
1088 * doc/invoke.texi: Document it.
1090 2005-12-13 Paul Brook <paul@codesourcery.com>
1092 * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
1093 __floatunsidf, __floatunsisf, __floatunsixf): New functions.
1095 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
1097 * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
1098 (EXTRA_MULTILIB_PARTS): Define.
1100 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
1102 PR rtl-optimization/20070 / part1
1103 * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
1104 count_or_remove_death_notes with kill == -1.
1105 (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
1106 registers if PROP_POST_REGSTACK is set.
1107 (mark_used_reg): Likewise.
1108 (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
1109 REG_UNUSED notes for stack regs.
1110 * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
1111 to match rtx_equiv_p machinery. Change caller.
1112 (outgoing_edges_match): Likewise.
1113 (try_crossjump_to_edge): Use struct_equiv_block_eq
1114 instead of flow_find_cross_jump.
1115 * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
1116 (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
1117 (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
1118 (STRUCT_EQUIV_MAX_LOCAL): Likewise.
1119 (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
1120 (insns_match_p): Update prototype.
1121 (flow_find_cross_jump): Remove prototype.
1122 (struct_equiv_block_eq, struct_equiv_init): Declare.
1123 (rtx_equiv_p, condjump_equiv_p): Likewise.
1124 * struct-equiv.c: Include reload.h.
1125 (IMPOSSIBLE_MOVE_FACTOR): Define.
1126 (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
1127 (struct_equiv_improve_checkpoint): Likewise.
1128 (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
1129 (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
1130 (struct_equiv_merge, find_dying_input): Likewise.
1131 (resolve_input_conflict, note_local_live): Likewise.
1132 (death_notes_match_p): Change parameters and processing
1133 to match rtx_equiv_p machinery. Change caller.
1134 (insns_match_p): Likewise.
1135 (flow_find_cross_jump): Replace with:
1136 (struct_equiv_block_eq).
1138 Back out this change:
1139 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
1140 * recog.c (verify_changes): Make it static.
1141 * recog.h: Remove the corresponding prototype.
1143 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
1145 * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
1148 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
1150 * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
1151 (MULTILIB_DIRNAMES): Add ms2. Prefix ms1 dirs with 'ms1'.
1152 * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
1153 TARGET_MS1_64_001 appropriately.
1154 (ms1_machine_reorg): Use TARGET_MS2.
1156 2005-12-13 Jakub Jelinek <jakub@redhat.com>
1160 * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
1161 and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
1162 Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
1163 * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
1164 Set mode to SI, adjust constraints.
1165 (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
1166 * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
1169 2005-12-13 Carlos O'Donell <carlos@codesourcery.com>
1171 * c-cppbuiltin.c (builtin_define_float_constants): Add
1172 fp_cast parameter, pass to builtin_define_with_hex_fp_value.
1173 Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
1174 (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
1175 (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
1176 to "((double)%sL)" otherwise "%s".
1178 2005-12-13 Paul Brook <paul@codesourcery.com>
1180 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
1183 2005-12-11 Rafael vila de Espndola <rafael.espindola@gmail.com>
1185 * tree-flow.h: Allow compilation with a C++ compiler.
1186 (struct edge_prediction): Prefix all field names with "ep_".
1187 * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
1188 (tree_predict_edge, combine_predictions_for_bb): Likewise.
1189 (remove_predictions_associated_with_edge): Likewise.
1191 2005-12-12 Jeff Law <law@redhat.com>
1193 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1195 * passes.c (init_optimization_passes): Run reassociation again
1196 after loop optimizations.
1198 2005-12-12 Daniel Berlin <dberlin@dberlin.org>
1200 * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
1202 (optimize_stmt): Ditto.
1203 (canonicalize_comparison): New function.
1204 * tree-ssa-operands.c (swap_tree_operands): Make external.
1205 (get_expr_operands): Stop auto-canonicalization.
1206 * tree-ssa-reassoc.c: Rewrite.
1207 (init_optimization_passes):
1208 * tree-flow.h (swap_tree_operands): Prototype.
1209 * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
1211 2005-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1213 * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
1214 indicate function epilogue has been output.
1215 (pa_asm_output_mi_thunk): Likewise.
1216 (output_deferred_plabels): Put plabels in readonly data section when
1217 not generating PIC code.
1218 (som_output_text_section_asm_op): Use .NSUBSPA to output debug
1219 information. Add assert.
1220 (som_output_comdat_data_section_asm_op): New function.
1221 (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
1222 instead of output_section_asm_op for COMDAT sections.
1224 2005-12-12 J"orn Rennecke <joern.rennecke@st.com>
1226 * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
1227 Fix whitespace in vincinity of to-be-installed changes.
1228 * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
1229 (insns_match_p): Likewise.
1231 2005-12-12 Nathan Sidwell <nathan@codesourcery.com>
1233 * config.gcc (ms1): Replace with ...
1235 * config/ms1: Rename to ...
1236 * config/mt: ... here. Rename ms1 files to mt.
1237 * config/mt/mt.c: Adjust gt-mt.h #include.
1238 * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
1239 (crti.o, crtn.o): Adjust file names.
1241 2005-12-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1243 * varray.h: Allow compilation with a C++ compiler.
1244 (union varray_data_tag): Prefix all field names with "vdt_".
1245 (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
1246 VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
1247 VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
1248 VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
1249 VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
1250 VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
1251 (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
1252 VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT,
1253 VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT,
1254 VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR,
1255 VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR,
1256 VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE,
1257 VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB,
1258 VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
1259 (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT,
1260 VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT,
1261 VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT,
1262 VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR,
1263 VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX,
1264 VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP,
1265 VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE,
1266 VARRAY_TOP_TREE_PTR): Likewise.
1267 * varray.c (varray_grow): Likewise.
1268 (varray_clear): Likewise.
1270 2005-12-12 Alan Modra <amodra@bigpond.net.au>
1273 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
1274 alignment to doubleword if the first field is a double array.
1275 * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
1277 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1279 * tree-ssa-structalias.c (process_constraint): Remove code to
1280 transform addressofs into scalar.
1281 (create_variable_info_for): In whole-program IPA, globals don't
1282 point to ANYTHING by default.
1284 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1286 * timevar.def (TV_IPA_PTA): New.
1287 * tree-pass.h (pass_ipa_pta): New
1288 * tree-ssa-structalias.c: Include cgraph.h
1290 (predbitmap_obstack): New.
1291 (EXECUTE_IF_IN_NONNULL_BITMAP): New.
1292 (struct constraint_stats): Add num_edges.
1293 (new_var_info): Don't call bitmap_clear.
1294 (struct constraint_edge): Update docs.
1295 (new_constraint_edge): Remove src param.
1296 (struct constraint_graph): Add zero_weight_succs,
1297 zero_weight_preds. Update docs.
1298 (constraint_expr_equal): Reformat.
1299 (constraint_edge_equal): Update for removal of src.
1300 (constraint_edge_less): Ditto.
1301 (constraint_edge_vec_find): Ditto.
1302 (erase_graph_self_edge): Update for removal of src and and zero
1304 (clear_edges_for_node): Ditto.
1305 (add_graph_edge): Ditto.
1306 (get_graph_weights): Ditto.
1307 (allocate_graph_weights): Ditto.
1308 (merge_graph_nodes): Ditto.
1309 (int_add_graph_edge): Ditto.
1310 (valid_graph_edge): Ditto.
1311 (valid_weighted_graph_edge): Ditto.
1312 (build_constraint_graph): Ditto.
1314 (collapse_nodes): Ditto.
1315 (process_unification_queue): Ditto.
1316 (topo_visit): Ditto.
1317 (solve_graph): Ditto.
1318 (do_structure_copy): Ditto.
1319 (perform_var_substitution): Ditto.
1320 Init and release obstack.
1321 (handle_ptr_arith): Try to resolve directly.
1322 (find_func_aliases): Don't call update_alias_info here
1323 Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
1324 (do_sd_constraint): Add code for propagating faster.
1326 (do_ds_constraint): Ditto.
1327 (count_num_arguments): New function.
1328 (create_function_info_for): Ditto.
1329 (create_variable_info_for): Handle FUNCTION_DECL.
1330 (intra_create_variable_infos): Use make_constraint_to_anything.
1331 (init_alias_vars): Init obstacks here.
1332 (need_to_solve): Handle zero weight graph changes.
1333 (compute_points_to_sets): Call update_alias_info here.
1334 (delete_points_to_sets): Free zero weight preds/succs here.
1335 (gate_ipa_pta): New.
1336 (ipa_pta_execute): New
1338 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1340 * tree-ssa-structalias.c (var_anyoffset): Removed.
1341 (anyoffset_tree): Ditto.
1342 (anyoffset_id): Ditto.
1343 (do_deref): Take vector of constraints, no return value.
1344 Update to work on vector.
1345 (get_constraint_for): Ditto.
1346 (get_constraint_for_component_ref): Ditto.
1347 (do_structure_copy): Ditto.
1348 (handle_ptr_arith): Ditto.
1349 (find_func_aliases): Ditto.
1350 (set_uids_in_ptset): Remove anyoffset handling.
1351 (init_base_vars): Ditto.
1353 2005-12-10 Mark Mitchell <mark@codesourcery.com>
1356 * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
1357 DECL_EXTERNAL functions have no bodies. Tidy.
1359 2005-12-10 Andreas Schwab <schwab@suse.de>
1361 * except.c (switch_to_exception_section): Only define if
1362 TARGET_UNWIND_INFO is not defined.
1364 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1366 * config/darwin.h (HAS_INIT_SECTION): Remove definition.
1367 (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
1369 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1371 * output.h (init_section, fini_section): Delete.
1372 * varasm.c (init_section, fini_section): Delete.
1373 (init_varasm_once): Don't initialize them.
1374 * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
1375 there are no corresponding varasm.c variables.
1377 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1379 * dwarf2out.c (default_eh_frame_section): Delete, moving handling
1380 of EH_FRAME_SECTION_NAME into...
1381 (switch_to_eh_frame_section): ...here. Try to set eh_frame_section
1382 if it is still null.
1383 * except.c (default_exception_section): Delete, moving most
1385 (switch_to_exception_section): ...this new function. Set
1386 exception_section if it is still null, then switch to it.
1387 (output_function_exception_table): Use switch_to_exception_section.
1388 * varasm.c (exception_section, eh_frame_section): Update comments.
1389 (get_section): Hoist use of SECTION_NAMED.
1390 (init_varasm_once): Don't set exception_section and eh_frame_section.
1391 * output.h (default_exception_section): Delete.
1392 (default_eh_frame_section): Delete.
1394 2005-12-09 Bernd Schmidt <bernd.schmidt@analog.com>
1396 * config/bfin/bfin.c: Include "cgraph.h".
1397 (bfin_load_pic_reg): Omit loading pic reg if in a local function.
1398 Return the reg that holds the pointer to the GOT.
1399 (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
1400 doing stack checking.
1402 2005-12-09 Diego Novillo <dnovillo@redhat.com>
1404 * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
1405 recompute_tree_invarant_for_addr_expr.
1406 Update uses everywhere.
1408 2005-12-09 Aldy Hernandez <aldyh@redhat.com>
1410 * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
1411 (MULTILIB_DIRNAMES): Define.
1413 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
1416 * config/s390/s390.c (struct s390_address): New field literal_pool.
1417 (s390_decompose_address): Compute literal_pool field. Do not
1418 assume register %r13 is always (and solely) used as pool base.
1419 (s390_extra_constraint_str): Use literal_pool field.
1421 2005-12-09 Thiemo Seufer <ths@networkno.de>
1423 * config/mips/mips.c (override_options): Don't allow too small
1424 integers in FP registers.
1426 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
1428 * config/s390/s390.c (s390_function_ok_for_sibcall): Use
1429 targetm.binds_local_p to check for local function calls.
1431 2005-12-09 Alan Modra <amodra@bigpond.net.au>
1434 * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1435 call_used_regs can't be used to save reg in another reg.
1437 2005-12-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1438 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1440 * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1442 * except.c (output_ttype): Likewise.
1443 * tree-object-size.c (collect_object_sizes_for): Likewise.
1444 (check_for_plus_in_loops_1): Likewise.
1445 (check_for_plus_in_loops): Likewise.
1446 (compute_object_sizes): Use gcc_unreachable instead of abort.
1448 2005-12-08 Nathan Sidwell <nathan@codesourcery.com>
1450 * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1451 (loop_end, loop_init, doloop_end): New insns.
1452 * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1453 (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1454 (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1455 (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1456 * config/ms1/ms1.c: #include basic-block.h
1457 (struct machine_function): Add has_loops field.
1458 (ms1_add_loop): New.
1459 (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1460 (struct loop_info, struct loop_work): New.
1461 (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1462 (ms1_reorg_loops): New loop optimization.
1463 (ms1_machine_reorg): Call it.
1464 * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1466 2005-12-08 Zdenek Dvorak <dvorakz@suse.cz>
1468 PR tree-optimization/25248
1469 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1470 evolution_of_loop from the failed attempt. Remove handling
1473 2005-12-08 Gabriel Dos Reis <gdr@integrable-solutions.net>
1475 * tree.h (DECL_EXTERNAL): Clarify documentation.
1477 2005-12-08 Andreas Krebbel <krebbel1@de.ibm.com>
1478 Jakub Jelinek <jakub@redhat.com>
1481 * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1482 argument. Don't drop outer ANDs.
1483 (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1484 * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1486 * config/s390/predicates.md (setmem_operand): Remove.
1487 (shift_count_operand): Rename to...
1488 (shift_count_or_setmem_operand): ... this. Adjust
1489 s390_decompose_shift_count caller.
1490 * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1491 ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1492 ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1493 <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1494 rotl<mode>3_and, setmem_long_and): New insns.
1495 (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1496 ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1497 <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1498 <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1499 of shift_count_operand.
1500 (setmem_long): Use shift_count_or_setmem_operand instead of
1503 2005-12-08 Daniel Jacobowitz <dan@codesourcery.com>
1504 Andreas Tobler <a.tobler@schweiz.ch>
1506 * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1509 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1511 * expr.c (force_operand): Use convert_to_mode for conversions.
1513 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1515 * reload.h (reg_equiv_invariant): Declare.
1516 * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1517 register also when reg_equiv_invariant[R] is set.
1519 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1520 Andreas Tobler <a.tobler@schweiz.ch>
1522 * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1524 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
1526 * tree-ssa-pre.c (bitmap_set_and): New function.
1527 (bitmap_set_and_compl): New function.
1528 (bitmap_set_empty_p): New function.
1529 (insert_extra_phis): New function.
1530 (compute_avail): Use insert_extra_phis.
1532 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
1534 * config/s390/s390.c (s390_expand_atomic): New function.
1535 Adjust comment of helper functions.
1536 * config/s390/s390-protos.h (s390_expand_atomic): Declare.
1537 * config/s390/s390.md ("ATOMIC"): New code macro.
1538 ("atomic"): Corresponding new code attribute.
1539 ("sync_lock_test_and_set[hq]i",
1540 "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1542 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
1544 * config/s390/s390.c (s390_expand_mask_and_shift,
1545 struct alignment_context, init_alignment_context,
1546 s390_expand_cs_hqi): New.
1547 * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1548 * config/s390/s390.md ("sync_compare_and_swaphi",
1549 "sync_compare_and_swapqi"): New pattern.
1551 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
1553 Fix PR tree-optimization/25291
1554 * tree-ssa-operands.c (add_call_clobber_ops): Remove
1555 redundant and crashing check.
1557 2005-12-08 Alan Modra <amodra@bigpond.net.au>
1560 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1561 tests further when !strict && reload_in_progress.
1562 (print_operand): Check that both operands of indexed address are regs.
1563 (print_operand_address): Likewise.
1564 * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1565 (INT_REG_OK_FOR_BASE_P): Correct.
1567 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1569 Preparation for PR rtl-optimization/20070 / part1
1570 * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1571 * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1572 outgoing_edges_match.
1573 (outgoing_edges_match): Use condjump_equiv_p.
1574 (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1576 * struct-equiv.c: New file.
1577 (death_notes_match_p) New function, broken out of insns_match_p.
1578 * Makefile.in (OBJS-common): Add struct-equiv.o.
1579 (struct-equiv.o): New target.
1581 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1583 * coretypes.h: Revert previous change.
1584 * config/darwin.h: Revert previous reversion.
1585 * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1587 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1589 * coretypes.h (section): Provide dummy definition for target files.
1590 * config/darwin.h: Revert previous change.
1592 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1594 * doc/sourcebuild.texi (all.build, install-normal): Remove.
1595 * configure.ac: Remove all.build and install-normal from target_list
1596 * configure: Regenerate.
1597 * Makefile.in (install): Don't depend on install-normal.
1599 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1601 * Makefile.in: Document the use of stamps.
1603 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1605 * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1606 * Makefile.in: Add code to compute some dependencies on s-gtype
1607 automatically. Remove the declaration of those dependencies.
1609 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1611 * gcc/reload.c (push_secondary_reload): Fix typo:
1612 s/insn_constraint/scratch_constraint/.
1614 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1616 * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1618 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1620 * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1621 (alpha_elf_select_rtx_section): Return the selected section rather
1622 than emitting assembly code.
1623 (alpha_write_linkage): Emit a ".link" directive directly and then
1624 set in_section to NULL.
1625 (vms_asm_out_constructor): Use switch_to_section.
1626 (vms_asm_out_destructor): Likewise.
1627 (unicosmk_output_common): Set in_section to NULL instead of calling
1628 the dummy common_section function.
1629 (unicosmk_text_section): Delete in favor of...
1630 (unicosmk_output_text_section_asm_op): ...this new function.
1631 (unicosmk_data_section): Delete in favor of...
1632 (unicosmk_output_data_section_asm_op): ...this new function.
1633 (unicosmk_init_sections): New function.
1634 (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1635 (unicosmk_output_ssib): Set in_section to NULL instead of calling
1636 the dummy ssib_section function.
1637 (unicosmk_section_buf): Delete.
1638 * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1639 (unicosmk_data_section): Delete.
1640 * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1641 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1642 (SECTION_FUNCTION_TEMPLATE): Delete.
1643 * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1644 (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1645 (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1646 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1647 (TARGET_ASM_INIT_SECTIONS): Define.
1648 * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1649 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1650 (link_section, literals_section): Delete.
1651 (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1652 set in_section to NULL.
1654 * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1655 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1656 (COMMON_SECTION): Delete.
1657 (TARGET_ASM_INIT_SECTIONS): Define.
1658 (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1659 the dummy common_section function.
1660 * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1661 * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1662 between readonly_data_section and text_section to check whether
1663 read-only data is being put in the text section.
1664 (arm_output_function_epilogue): Use switch_to_section.
1665 (arm_elf_asm_constructor): Likewise.
1666 (thumb_call_via_reg): Replace call to in_text_section with
1667 a comparison between in_section and text_section.
1668 (arm_file_end): Use switch_to_section.
1669 (aof_text_section): Delete in favor of...
1670 (aof_output_text_section_asm_op): ...this new function.
1671 (aof_data_section): Delete in favor of...
1672 (aof_output_data_section_asm_op): ...this new function.
1673 (aof_asm_init_sections): New function.
1674 (zero_init_section): Moved from config/arm/aof.h.
1675 (aof_dump_imports, aof_file_start): Use switch_to_section.
1676 * config/arm/arm.h (thumb_call_via_label): Update comment.
1677 * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1678 (common_section): Delete.
1679 * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1680 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1681 global switch_to_section function instead of the old port-local one.
1682 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1683 (SWITCH_TO_SECTION_FUNCTION): Delete.
1684 (drectve_section): Redefine as a macro.
1685 * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1686 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1689 * config/avr/avr.c (progmem_section): New variable.
1690 (avr_output_progmem_section_asm_op): New function.
1691 (avr_asm_init_sections): New function.
1692 (avr_output_addr_vec_elt): Use switch_to_section.
1693 * config/avr/avr.h (progmem_section): Declare.
1694 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1695 (READONLY_DATA_SECTION): Delete.
1696 (TARGET_ASM_INIT_SECTIONS): Define.
1697 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1698 * config/avr/avr-protos.h (progmem_section): Delete.
1700 * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1702 * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1703 (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1705 * config/darwin-sections.def: New file.
1706 * config/darwin.c: Define all sections in darwin-sections.def.
1707 (output_objc_section_asm_op, darwin_init_sections): New functions.
1708 (machopic_output_indirection): Use switch_to_section.
1709 (machopic_select_section): Return the selected section rather than
1710 emitting assembly code. Replace the static function table with
1711 inline conditional expressions. Update the tests of last_text_section
1712 and move them into the FUNCTION_DECL block.
1713 (machopic_select_rtx_section): Return the selected section rather than
1714 emitting assembly code.
1715 (machopic_asm_out_constructor, machopic_asm_out_destructor)
1716 (darwin_file_end): Use switch_to_section.
1717 * config/darwin.h: Use darwin-sections.def to declare sections.
1718 (INIT_SECTION_ASM_OP): Remove empty definition.
1719 (HAS_INIT_SECTION): Define this instead.
1720 (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1721 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1722 (TARGET_ASM_EH_FRAME_SECTION): Delete.
1723 (TARGET_ASM_INIT_SECTIONS): Define.
1724 * config/darwin-protos.h (darwin_init_sections): Declare.
1725 (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1726 (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1727 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1728 (constructor_section, destructor_section, mod_init_section): Delete.
1729 (mod_term_section): Delete.
1730 (darwin_exception_section, darwin_eh_frame_section): Delete.
1731 (machopic_select_section): Return a section.
1732 (machopic_select_rtx_section): Likewise.
1733 (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1734 (const_section, const_coal_section, const_data_section): Delete.
1735 (const_data_coal_section, data_coal_section, cstring_section): Delete.
1736 (literal4_section, literal8_section, constructor_section): Delete.
1737 (mod_init_section, mod_term_section, destructor_section): Delete.
1738 (objc_class_section, objc_meta_class_section, objc_category_section)
1739 (objc_class_vars_section, objc_instance_vars_section): Delete.
1740 (objc_cls_meth_section, objc_inst_meth_section): Delete.
1741 (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1742 (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1743 (objc_symbols_section, objc_module_info_section): Delete.
1744 (objc_image_info_section, objc_protocol_section): Delete.
1745 (objc_string_object_section, objc_constant_string_object_section)
1746 (objc_class_names_section, objc_meth_var_names_section): Delete.
1747 (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1748 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1749 (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1750 (darwin_exception_section, darwin_eh_frame_section): Delete.
1751 * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1753 * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1754 (frv_asm_out_destructor): Likewise.
1755 * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1756 (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1757 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1759 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1760 * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1761 (data_section): Delete.
1763 * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1764 (DRECTVE_SECTION_FUNCTION): Delete.
1765 (drectve_section): Redefine as a macro that sets in_section after
1766 emitting the directive.
1767 (SWITCH_TO_SECTION_FUNCTION): Delete.
1768 * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1769 in_text_section with comparison between in_section and text_section.
1770 * config/i386/i386.c (x86_64_elf_select_section): Return the section
1771 rather than emitting assembly code. Use get_named_section.
1772 (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1774 (machopic_output_stub): Use switch_to_section.
1775 * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1776 (nwld_named_section_asm_out_destructor): Use get_section and
1779 * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1780 rather than emitting assembly code.
1781 (ia64_rwreloc_select_section): Likewise.
1782 (ia64_rwreloc_select_rtx_section): Likewise.
1783 * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1784 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1786 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1787 (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1789 * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1790 section rather than emitting assembly code.
1791 (iq2000_select_section): Likewise.
1792 * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1793 (sbss_section): Delete.
1795 * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1796 and get_named_section.
1797 * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1799 * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1800 (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1801 (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1802 (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1804 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1805 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1806 global switch_to_section function instead of the old port-local one.
1807 * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1808 (SWITCH_SECTION_FUNCTION): Delete.
1809 * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1810 (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1811 (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1812 (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1814 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1815 global switch_to_section function instead of the old port-local one.
1816 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1818 * config/mips/mips.c (mips_file_start): Update comment.
1819 (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1820 (mips_output_aligned_decl_common): Use switch_to_section.
1821 (mips_select_rtx_section): Return the section rather than emitting
1822 assembly code. Use get_named_section.
1823 (mips_function_rodata_section: Likewise get_section.
1824 (build_mips16_function_stub): Use switch_to_section.
1825 * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1826 (SDATA_SECTION_ASM_OP): Delete.
1827 * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1828 (EXTRA_SECTION_FUNCTIONS): Delete.
1830 * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1831 (mmix_asm_output_aligned_local): Use switch_to_section.
1833 * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1834 (som_one_only_readonly_data_section): New variables.
1835 (pa_output_function_epilogue): Set in_section to NULL instead of
1836 calling forget_section.
1837 (output_deferred_plabels): Use select_section.
1838 (pa_asm_output_mi_thunk): Likewise. Set in_section to NULL instead
1839 of calling forget_section.
1840 (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1841 (pa_asm_output_aligned_local): Use select_section.
1842 (som_text_section_asm_op): Delete in favor of...
1843 (som_output_text_section_asm_op): ...this new function.
1844 (pa_som_asm_init_sections): New function.
1845 (pa_select_section): Return the section rather than emitting
1847 * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1848 (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1849 (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1850 (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1851 * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1852 (som_readonly_data_section, som_one_only_readonly_data_section)
1853 (som_one_only_data_section, forget_section): Delete.
1854 * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1855 (TARGET_ASM_INIT_SECTIONS): Define.
1856 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1858 * config/rs6000/rs6000.c (read_only_data_section): New variable.
1859 (private_data_section, read_only_private_data_section): New variables.
1860 (sdata2_section, toc_section): New variables.
1861 (rs6000_file_start): Use switch_to_section.
1862 (rs6000_assemble_integer): Use comparisons against in_section
1863 instead of calling in_toc_section and in_text_section. Use
1864 unlikely_text_section_p.
1865 (rs6000_elf_output_toc_section_asm_op): New function, derived
1866 from the old rs6000/sysv4.h toc_section function.
1867 (rs6000_elf_asm_init_sections): New function.
1868 (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1869 the section rather than emitting assembly code.
1870 (machopic_output_stub): Use switch_to_section.
1871 (toc_section): Delete dummy function.
1872 (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1873 switch_to_section and get_section.
1874 (rs6000_xcoff_output_readonly_section_asm_op): New function.
1875 (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1876 (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1877 the old rs6000/xcoff.h toc_section function.
1878 (rs6000_xcoff_asm_init_sections): New function.
1879 (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1880 the section rather than emitting assembly code.
1881 (rs6000_xcoff_file_start): Use switch_to_section.
1882 (rs6000_xcoff_file_end): Likewise.
1883 * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1884 (sdata2_section, sbss_section, private_data_section): Delete.
1885 (read_only_data_section, read_only_private_data_section): Delete.
1886 * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1887 (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1888 (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1889 (FINI_SECTION_FUNCTION): Delete.
1890 (TARGET_ASM_INIT_SECTIONS): Define.
1891 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1892 * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1893 (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1894 (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1895 (READONLY_DATA_SECTION): Delete.
1896 (TARGET_ASM_INIT_SECTIONS): Define.
1897 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. Set in_section
1898 to NULL rather than no_section.
1899 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1901 * config/sh/sh.c (sh_file_start): Use switch_to_section.
1903 * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1904 (sparc_output_deferred_case_vectors): Likewise. Remove argument
1905 from call to current_function_section.
1907 * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1908 (bss100_section): New variable.
1909 (xstormy16_asm_output_aligned_common): Use switch_to_section.
1910 (xstormy16_asm_init_sections): New function.
1911 (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1912 switch_to_section and get_section.
1913 (xstormy16_output_addr_vec): Use switch_to_section. Remove argument
1914 from calls to current_function_section.
1915 * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1916 (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1917 (TARGET_ASM_INIT_SECTIONS): Define.
1918 * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1920 * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1921 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1922 (FINI_SECTION_FUNCTION): Delete.
1924 * config/v850/v850.c: Include gt-v850.h.
1925 (rosdata_section, rozdata_section, tdata_section, zdata_section)
1926 (zbss_section): New variables.
1927 (v850_output_aligned_bss): Use switch_to_section.
1928 (v850_asm_init_sections): New function.
1929 (v850_select_section): Return the section rather than emitting
1931 * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1932 (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1933 (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1934 (TARGET_ASM_INIT_SECTIONS): Define.
1935 * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1936 (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1937 (zbss_section): Delete.
1939 * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1941 * config/vx-common.h (vxworks_exception_section): Delete.
1942 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1944 * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1945 section rather than emitting assembly code.
1946 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1949 * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1950 * coretypes.h (section): New union and typedef.
1951 * dbxout.c (FORCE_TEXT): Use switch_to_section. Remove argument
1952 from call to current_function_section.
1953 (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1954 (dbxout_symbol_location): Use switch_to_section.
1955 * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1956 most of the code into...
1957 (default_eh_frame_section): ...here. Return a section.
1958 (collect2_eh_frame_section): Delete, moving most of the code into..
1959 (switch_to_eh_frame_section): ...this new function.
1960 (debug_info_section, debug_abbrev_section, debug_aranges_section)
1961 (debug_macinfo_section, debug_line_section, debug_loc_section)
1962 (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1964 (output_call_frame_info): Call switch_to_eh_frame_section instead of
1965 eh_frame_section. Use switch_to_section and get_section.
1966 (dwarf2out_begin_prologue): Use switch_to_section.
1967 (AT_string_form): Check the flags in debug_str_section instead of
1968 DEBUG_STR_SECTION_FLAGS.
1969 (output_comp_unit): Use switch_to_section, get_section, and
1971 (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1972 (dwarf2out_begin_block): Use switch_to_section. Remove argument
1973 from call to current_function_section.
1974 (dwarf2out_var_location): Use unlikely_text_section_p.
1975 (dwarf2out_source_line): Use switch_to_section. Remove argument
1976 from call to current_function_section.
1977 (dwarf2out_start_source_file, dwarf2out_end_source_file)
1978 (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1979 debug_macinfo_section.
1980 (dwarf2out_init): Initialize the new section variables. Use them
1981 instead of calls to named_section_flags. Use switch_to_section.
1982 (output_indirect_string): Use switch_to_section and debug_str_section.
1983 (dwarf2out_finish): Use switch_to_section and the new section
1985 * except.c (default_exception_section): Return the section instead
1986 of emitting assembly code.
1987 (output_function_exception_table): Use the global exception_section
1988 variable instead of the target hook. Use switch_to_section. Remove
1989 argument from call to current_function_section.
1990 * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1991 (shorten_branches): Use pointer comparisons to detect whether the
1992 text section is the same as readonly_data_section.
1993 (profile_function): Use switch_to_section. Remove argument from
1994 call to current_function_section.
1995 (final_scan_insn): Likewise. Update use of last_text_section.
1996 * gengtype.c (open_base_files): Add an include of output.h.
1997 * output.h (text_section, data_section, readonly_data_section)
1998 (ctors_section, dtors_section, bss_section, init_section)
1999 (fini_section, sdata_section): Turn into section pointers.
2000 (in_text_section, in_unlikely_text_section, exports_section)
2001 (drectve_section, named_section, mergeable_string_section)
2002 (last_text_section_name): Delete.
2003 (default_exception_section, default_eh_frame_section): Return sections.
2004 (SECTION_DECLARED, SECTION_NAMED): New macros.
2005 (SECTION_MACH_DEP): Bump value.
2006 (section_common, named_section, unnamed_section): New structures.
2007 (unnamed_section_callback): New typedef.
2008 (section): New union.
2009 (sbss_section, exception_section, eh_frame_section): New variables.
2010 (in_section, last_text_section): Turn into section pointers.
2011 (get_unnamed_section, get_section, get_named_section): New functions.
2012 (mergeable_constant_section, function_section): Return a section.
2013 (unlikely_text_section): Likewise.
2014 (current_function_section): Likewise. Remove the decl argument.
2015 (unlikely_text_section_p, switch_to_section): New functions.
2016 (output_section_asm_op): New function.
2017 (set_named_section_flags, named_section_flags, named_section_real)
2018 (named_section_first_declaration): Delete.
2019 (default_select_section, default_elf_select_section): Return a section.
2020 (default_elf_select_section_1, default_function_rodata_section)
2021 (default_no_function_rodata_section, default_select_rtx_section)
2022 (default_elf_select_rtx_section): Likewise.
2023 * rtl.h (in_data_section): Delete.
2024 * sdbout.c (sdbout_one_type): Use switch_to_section.
2025 * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
2026 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
2027 (TARGET_ASM_EH_FRAME_SECTION): Poison.
2028 * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
2029 (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
2030 (TARGET_ASM_OUT): Update after above changes.
2031 * target.h (init_sections): New hook.
2032 (exception_section, eh_frame_section): Delete.
2033 (select_section, select_rtx_section, function_rodata_section): Return
2034 a section rather than emitting assembly code.
2035 * varasm.c (text_section, data_section, readonly_data_section)
2036 (ctors_section, dtors_section, bss_section, init_section)
2037 (fini_section): Turn into section pointers.
2038 (sdata_section, sbss_section, exception_section): New variables.
2039 (eh_frame_section): New variable.
2040 (in_section): Make global and turn into a section pointer.
2041 (last_text_section): Turn into a section pointer.
2042 (unnamed_sections): New variable.
2043 (in_named_name, last_text_section_name): Delete.
2044 (EXTRA_SECTION_FUNCTIONS): Delete.
2045 (in_named_entry): Delete.
2046 (section_htab): New variable, replacing...
2047 (in_named_htab): ...this deleted variable.
2048 (section_entry_eq, section_entry_hash): New functions, based on...
2049 (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
2050 (get_unnamed_section, get_section): New functions.
2051 (unlikely_text_section): Return a section instead of emitting
2053 (in_text_section, in_unlikely_text_section, in_data_section): Delete.
2054 (get_named_section_flags, named_section_first_declaration): Delete.
2055 (unlikely_text_section_p): New function.
2056 (named_section_real, named_section): Delete.
2057 (get_named_section): New function.
2058 (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
2059 (function_section): Return a section rather than emitting
2061 (current_function_section): Likewise. Remove argument. Use
2062 last_text_section if nonnull, otherwise use function_section.
2063 (default_function_rodata_section): Return a section rather than
2064 emitting assembly code. Use get_section.
2065 (default_no_function_rodata_section): Return a section rather than
2066 emitting assembly code.
2067 (variable_section): Use switch_to_section and get_named_section.
2068 (mergeable_string_section): Return a section rather than emitting
2069 assembly code. Use get_section. Make static. Don't take special
2070 countermeasures for empty strings.
2071 (mergeable_constant_section): Return a section rather than emitting
2072 assembly code. Use get_section.
2073 (default_named_section_asm_out_destructor): Use switch_to_section
2075 (default_dtor_section_asm_out_destructor): Use switch_to_section.
2076 (default_named_section_asm_out_constructor): Use switch_to_section
2078 (default_ctor_section_asm_out_constructor): Use switch_to_section.
2079 (assemble_start_function): Likewise. Set last_text_section to
2080 NULL rather than no_section. Change the type of save_section.
2081 (assemble_zeros, assemble_variable): Use the section flags to detect
2082 whether or not a section is text.
2083 (assemble_static_space): Use switch_to_section.
2084 (assemble_trampoline_template): Likewise.
2085 (output_constant_def_contents): Use switch_to_section and
2087 (output_constant_pool_1): Use switch_to_section. Use the section
2088 flags to see whether sections contain mergeable data.
2089 (init_varasm_once): Initialize section_htab instead of in_named_htab.
2090 Initialize new section variables. Call TARGET_ASM_INIT_SECTIONS.
2091 (default_elf_asm_named_section): Use SECTION_DECLARED to detect
2092 whether a section has already been declared.
2093 (default_select_section, default_elf_select_section): Return a
2094 section rather than emitting assembly code.
2095 (default_elf_select_section_1): Likewise. Use bss_section for
2096 SECCAT_BSS if nonnull. Use get_named_section.
2097 (default_select_rtx_section): Return a section rather than
2098 emitting assembly code.
2099 (default_elf_select_rtx_section): Likewise. Use get_named_section.
2100 (file_end_indicate_exec_stack): Use switch_to_section and get_section.
2101 (output_section_asm_op, switch_to_section): New functions.
2102 * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
2105 * doc/tm.texi: Expand the introduction to the sections documentation.
2106 (TRAMPOLINE_SECTION): Document new interface.
2107 (SDATA_SECTION_ASM_OP): Document new macro.
2108 (READONLY_DATA_SECTION): Delete.
2109 (SDATA_SECTION_ASM_OP): Document new macro.
2110 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2111 (TARGET_ASM_INIT_SECTIONS): Document new hook.
2112 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
2113 (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
2114 (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
2116 2005-12-07 Alan Modra <amodra@bigpond.net.au>
2118 * gcc.c (init_gcc_specs): Match braces inside conditionally
2121 2005-12-06 Geoffrey Keating <geoffk@apple.com>
2123 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
2125 2005-12-06 Aldy Hernandez <aldyh@redhat.com>
2128 * tree.c (integer_all_onesp): Always return true if all bits on.
2130 * testsuite/g++.dg/init/array0.C: New.
2132 2005-12-06 Adrian Straetling <straetling@de.ibm.com>
2134 * doc/md.texi: Adapt to implementation.
2136 2005-12-06 Andreas Schwab <schwab@suse.de>
2138 * opts.c (decode_options): Fix typo in message.
2140 2005-12-06 Alan Modra <amodra@bigpond.net.au>
2143 * longlong.h: Merge PPC tests from upstream.
2145 2005-12-06 Richard Guenther <rguenther@suse.de>
2147 * fold-const.c (fold_convert): Do not build and fold
2148 CONVERT_EXPR, but always use NOP_EXPR.
2150 2005-12-06 Jan Beulich <jbeulich@novell.com>
2152 * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
2153 __builtin_ia32_paddq and __builtin_ia32_subq.
2154 (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
2155 __builtin_ia32_pshufw.
2156 * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
2158 2005-12-05 James E Wilson <wilson@specifix.com>
2161 * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
2164 2005-12-05 Daniel Berlin <dberlin@dberlin.org>
2166 * print-tree.c (print_node): Ditto.
2167 * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
2168 * tree-dump.c (dequeue_and_dump): Check for decl_common structure
2169 before accessing DECL_ARTIFICIAL.
2170 Handle new tag tree codes.
2171 * tree-flow-inline.h (clear_call_clobbered): Update for tag
2173 (unmodifiable_var_p): Ditto.
2174 * tree-flow.h (mem_tag_kind): Remove.
2175 (struct var_ann_d): Remove mem_tag_kind member.
2176 * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
2177 * tree-pretty-print.c (dump_generic_node): Handle memory tags.
2178 * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
2179 (group_aliases): Ditto.
2180 (setup_pointers_and_addressables): Ditto.
2181 (is_escape_site): Ditto.
2182 (may_alias_p): Ditto.
2183 (create_tag_raw): New function.
2184 (create_memory_tag): Use it.
2185 (dump_alias_info): Update for tags.
2186 (may_be_aliased): Ditto.
2187 (add_type_alias): Ditto.
2188 (new_type_alias): Ditto.
2189 (create_sft): Ditto.
2190 (create_structure_vars): Ditto.
2191 * tree-ssa-ccp.c (get_default_value): Ditto.
2192 * tree-ssa-operands.c (get_expr_operands): Ditto.
2193 (add_stmt_operand): Ditto.
2194 (add_call_clobber_ops): Remove duplicated condition.
2195 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2197 * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
2198 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2199 * tree.c (init_ttree): Update structures for new tree codes.
2200 (tree_code_size): Update sizes for new tree codes.
2201 (make_node_stat): Don't try to set common things on minimal
2203 (tree_node_structure): Update for tags.
2204 (is_global_var): Ditto.
2205 * tree.def: Add new tree codes.
2206 * tree.h (MTAG_P): New macro.
2207 (TREE_MEMORY_TAG_CHECK): Ditto.
2208 (SSA_VAR_P): Update for tags.
2209 (struct tree_memory_tag): New structure.
2210 (MTAG_GLOBAL): New macro.
2211 (union tree_node): Add memory tag member.
2212 * treestruct.def (TS_MEMORY_TAG): New.
2214 2005-12-05 Dale Johannesen <dalej@apple.com>
2216 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match
2217 what was approved (PR 24323).
2219 2005-12-05 Gabriel Dos Reis <gdr@integrable-solutions.net>
2221 * doc/c-tree.texi (Function Bodies): Remove description of
2224 2005-12-05 Joseph S. Myers <joseph@codesourcery.com>
2226 * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
2227 __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
2228 __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
2229 __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
2230 __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
2231 __divxc3): Document.
2233 2005-12-05 Geoffrey Keating <geoffk@apple.com>
2235 * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
2237 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
2238 hook_bool_void_false.
2239 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2240 * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
2242 * config/darwin.c (machopic_select_section): It's not defined
2243 as weak if it's only marked as weak_import.
2245 * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
2248 * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
2249 A hidden weak object does bind locally. Strong linkonce data
2250 counts like any other strong symbol for binding.
2251 (weak_finish_1): Don't specially handle weakrefs, they no longer
2253 (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
2254 * c-common.c (handle_alias_attribute): Allow static aliases
2256 (handle_weakref_attribute): Don't call declare_weak on weakrefs.
2257 * gthr-dce.h: Make weakrefs static.
2258 * gthr-tpf.h: Likewise.
2259 * gthr-solaris.h: Likewise.
2260 * gthr-posix.h: Likewise.
2261 * gthr-posix95.h: Likewise.
2262 * config/darwin.c (darwin_encode_section_info): static weakref
2263 variables are not necessarily defined in this translation unit.
2264 * doc/extend.texi (Function Attributes): Mention that an alias
2265 attribute creates a definition for the thing it's attached to.
2266 Change the documentation for weakref to say that the thing
2267 it's attached to must be static.
2269 * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
2270 we don't go into an infinite loop.
2272 2005-12-05 Paolo Bonzini <bonzini@gnu.org>
2274 * config/rs6000/predicates.md (logical_const_operand): Split
2275 out of logical_operand.
2276 (logical_operand): Use it.
2277 * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
2278 logical_const_operand.
2280 2005-12-05 Jan Beulich <jbeulich@novell.com>
2282 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
2283 and IX86_BUILTIN_CMPNESS.
2284 (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
2285 * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
2286 * config/i386/i386.md (movti_internal): Correct type attribute.
2287 Simplify mode attribute.
2288 (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
2289 Correct type attribute.
2290 (absxf2): Correct operator.
2291 * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
2292 movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
2293 * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
2295 (sse2_vmsqrtv2df2): Correct mode attribute.
2297 2005-12-05 Jan Beulich <jbeulich@novell.com>
2299 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
2300 16 bits. Provide insn pattern for this case.
2302 2005-12-05 Jan Beulich <jbeulich@novell.com>
2304 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
2306 (__popcountDI2): Likewise.
2308 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2311 * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
2312 _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
2313 * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
2316 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
2318 * c-typeck.c (null_pointer_constant_p): New function.
2319 (build_conditional_expr, build_c_cast, convert_for_assignment,
2320 build_binary_op): Use it.
2322 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
2324 * c-common.c (binary_op_error): Do not allow NOP_EXPR.
2325 (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
2327 (check_function_arguments_recurse): Allow both NOP_EXPR and
2328 CONVERT_EXPR but check conversions preserve precision.
2329 * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
2330 but check conversions preserve precision.
2331 (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in
2334 2005-12-04 Roger Sayle <roger@eyesopen.com>
2337 * common.opt (Wstring-literal-comparison): New command line option.
2338 * c-opts.c (c_common_handle_option): Set it with -Wall.
2339 * c-typeck.c (parser_build_binary_op): Issue warning if either
2340 operand of a comparison operator is a string literal, except for
2341 testing equality or inequality against NULL.
2343 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
2345 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
2347 * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
2348 of building a NOP_EXPR.
2349 (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as
2351 * c-convert.c (convert): Use fold_convert instead of building
2352 NOP_EXPRs and CONVERT_EXPRs directly. Don't special case
2353 c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove
2355 * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
2356 NOP_EXPR the same as CONVERT_EXPR.
2357 * c-typeck.c (build_function_call): Use fold_convert instead of
2358 building a NOP_EXPR directly.
2359 (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
2361 2005-12-03 Alan Modra <amodra@bigpond.net.au>
2363 PR rtl-optimization/25197
2364 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
2367 2005-12-02 Stuart Hastings <stuart@apple.com>
2369 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
2372 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
2374 * c-typeck.c (default_function_array_conversion,
2375 build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
2376 (build_conditional_expr): Apply integer_zerop to orig_op1 and
2377 orig_op2. Don't check them for NOP_EXPR.
2378 (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
2379 around integer zero.
2381 2005-12-03 Alan Modra <amodra@bigpond.net.au>
2383 * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
2384 toc_save_offset, toc_size, lr_size.
2385 (rs6000_stack_info): Use memset rather than bss struct copy to init.
2386 Test rs6000_ra_ever_killed last in condition setting lr_save_p.
2387 Adjust for removal of unused rs6000_stack_t fields.
2388 (debug_stack_info): Adjust.
2389 (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls
2390 first, and don't bother checking for set/inc of lr on sibcalls.
2391 (rs6000_emit_epilogue): Tidy code restoring stack pointer.
2393 2005-12-02 Jakub Jelinek <jakub@redhat.com>
2396 * config/i386/i386.md (movqi_1): Only force imovx for alternative
2397 5 if operand 1 is not aligned. Undo previous constraint change.
2398 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
2400 2005-12-02 Richard Guenther <rguenther@suse.de>
2402 * tree.h (build): Remove prototype.
2403 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
2404 * tree.c (build): Remove.
2405 (build0_stat): Update comment.
2407 2005-12-02 Richard Guenther <rguenther@suse.de>
2409 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
2410 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
2412 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
2413 maybe_fold_offset_to_component_ref): Likewise.
2414 * tree-ssa-dom.c (thread_across_edge,
2415 simplify_rhs_and_lookup_avail_expr,
2416 find_equivalent_equality_comparison, record_equivalences_from_stmt):
2418 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
2419 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
2420 lower_try_finally_switch): Likewise.
2421 * tree-if-conv.c (add_to_dst_predicate_list,
2422 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2423 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2424 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2425 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2426 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2427 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2428 gimplify_init_ctor_eval, gimplify_init_constructor,
2429 gimplify_variable_sized_compare, gimplify_boolean_expr,
2430 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2431 gimplify_expr, gimplify_body, gimplify_function_tree,
2432 force_gimple_operand): Likewise.
2433 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2434 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2435 mx_register_decls): Likewise.
2436 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2437 get_frame_field, finalize_nesting_tree_1): Likewise.
2438 * tree-inline.c (setup_one_parameter): Likewise.
2439 * tree-vect-transform.c (vectorizable_condition): Likewise.
2440 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2442 * tree-profile.c (tree_gen_edge_profiler): Likewise.
2443 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2444 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2445 * tree-chrec.h (build_polynomial_chrec): Likewise.
2447 2005-12-02 Richard Guenther <rguenther@suse.de>
2449 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2450 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2451 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2452 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2453 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2454 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2455 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2457 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2458 sh_adjust_unroll_max): Likewise.
2459 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2460 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2461 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2463 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2465 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2468 2005-12-02 Richard Guenther <rguenther@suse.de>
2470 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2471 simplify_cond_using_ranges): Use buildN instead of build.
2472 * tree-tailcall.c (adjust_accumulator_values,
2473 adjust_return_value): Likewise.
2474 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
2475 generate_element_copy, generate_element_zero,
2476 generate_one_element_init): Likewise.
2477 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2478 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2479 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2480 perfect_nestify): Likewise.
2482 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2484 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
2486 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
2488 * ggc.h (GGC_RESIZEVEC): New.
2490 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2492 * gcc.c (execute): Improve readability.
2494 2005-12-02 Richard Guenther <rguenther@suse.de>
2496 * tree-cfg.c (mark_used_vars): New function.
2497 (dump_function_to_file): Dump only used VAR_DECLs.
2499 2005-12-02 Richard Guenther <rguenther@suse.de>
2501 * convert.c (convert_to_integer): Fix compare for nonpositive
2502 constant to use tree_int_cst_sgn <= 0.
2504 2005-12-02 Richard Guenther <rguenther@suse.de>
2506 * convert.c (convert_to_integer): Use fold_convert instead
2507 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
2508 instead of comparing against 0. Use build_int_cst instead
2509 of converting integer_zero_node.
2511 2005-12-02 Richard Guenther <rguenther@suse.de>
2513 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2516 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2519 * combine.c (simplify_logical <IOR>): Simplify more patterns to
2522 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2525 * function.c (expand_function_end): Emit blockage for unwinder
2528 2005-12-01 Roger Sayle <roger@eyesopen.com>
2530 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2531 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2532 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2533 integer constant comparisons.
2535 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
2536 Janis Johnson <janis187@us.ibm.com>
2537 David Edelsohn <dje@watson.ibm.com>
2538 Ben Elliston <bje@au.ibm.com>
2540 * dfp.h, dfp.c: New files.
2541 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2542 (DECNUM_H): Likewise.
2543 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2544 (INCLUDES): Append $(DECNUMINC).
2545 (OBJS-common): Add dfp.o.
2547 * real.h (EXP_BITS): Pinch one bit to ..
2548 (struct real_value): Add decimal field.
2549 (real_format): Change table size, update documentation.
2550 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
2551 (real_from_string3): Declare.
2552 (decimal_single_format): Declare.
2553 (decimal_double_format): Declare.
2554 (decimal_quad_format): Declare.
2555 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
2556 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
2557 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
2558 * real.c: Include dfp.h.
2559 (normalize): Early return for decimal floats.
2560 (do_add): Zero decimal field.
2561 (do_compare): Call do_decimal_compare for decimal floats.
2562 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2563 (real_arithmetic): Call decimal_real_arithmetic for decimal
2564 floating point operands.
2565 (real_identical): If a and b are of differing radix, return false.
2566 (real_to_integer): Call decimal_real_to_integer if the value is a
2568 (real_to_integer2): Likewise, call decimal_real_to_integer2.
2569 (real_to_decimal): Likewise, call decimal_real_to_decimal.
2570 (real_to_hexadecimal): Place "N/A" in the return string for
2572 (real_from_string3): New variant, given a mode.
2573 (real_maxval): Use decimal_real_maxval for decimal floats.
2574 (round_for_format): Use decimal_round_for_format for decimals.
2575 (real_convert): Use decimal_real_convert where appropriate.
2576 (significand_size): Handle base 10.
2577 (encode_decimal_single, decode_decimal_single,
2578 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2579 decode_decimal_quad): New functions.
2580 (decimal_single_format): New.
2581 (decimal_double_format): New.
2582 (decimal_quad_format): New.
2583 * machmode.def: Add SD, DD and TD decimal floating point modes.
2584 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2585 Include MODE_DECIMAL_FLOAT.
2586 (DECIMAL_FLOAT_MODE_P): New.
2587 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2588 * genmodes.c (struct mode_data): Add counter field.
2589 (struct mode_data): Update comment for format.
2590 (blank_mode): Initialise counter field.
2591 (new_mode): Increment counter field for each mode defined.
2592 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2594 (make_complex_modes): Handle modes containing `D'.
2595 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2596 (make_decimal_float_mode): New.
2597 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2598 (cmp_modes): Compare counter field if other characteristics
2600 (emit_real_format_for_mode): Support formats for decimal floats.
2601 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2602 Document MODE_DECIMAL_FLOAT.
2604 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2606 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2609 2005-12-01 Richard Henderson <rth@redhat.com>
2611 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2613 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2615 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2617 * config/pa/pa.c (pa_init_builtins): If we detect
2618 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2621 2005-12-01 Richard Guenther <rguenther@suse.de>
2623 * fold-const.c (fold_binary): Use fold_build2, not
2626 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
2628 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2630 * vec.h (VEC_block_remove): New.
2632 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
2635 * c-common.c (lvalue_error): Fix wording.
2637 2005-12-01 Richard Guenther <rguenther@suse.de>
2639 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2640 thinko in last patch.
2642 2005-12-01 Geoffrey Keating <geoffk@apple.com>
2644 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2645 than -flat_namespace.
2647 2005-12-01 Ben Elliston <bje@au.ibm.com>
2649 * mklibgcc.in: Parameterise the script to build soft float
2650 functions by iterating over each type, rather than cloning the
2653 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2656 * builtins.c (fold_builtin_fputs): Defer check for missing
2657 replacement functions.
2659 2005-11-30 Kean Johnston <jkj@sco.com>
2661 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2662 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2664 2005-11-30 Richard Guenther <rguenther@suse.de>
2666 PR tree-optimization/22501
2667 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2668 function split out from ...
2669 (forward_propagate_addr_expr): ... here. Use it to propagate
2670 ADDR_EXPRs to all uses.
2672 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2674 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2675 * builtins.c (expand_builtin_mathfn): Use them.
2676 (expand_builtin_mathfn_2): Likewise.
2677 (expand_builtin_mathfn_3): Likewise.
2678 (expand_builtin_int_roundingfn): Likewise.
2679 (expand_builtin): Likewise.
2680 (integer_valued_real_p): Likewise.
2681 (fold_builtin_int_roundingfn): Likewise.
2682 (fold_builtin_bitop): Likewise.
2683 (fold_builtin_logarithm): Likewise.
2684 (fold_builtin_1): Likewise.
2685 * convert.c (convert_to_integer): Likewise.
2686 * fold-const.c (negate_mathfn_p): Likewise.
2687 (tree_expr_nonnegative_p): Likewise.
2689 2005-11-30 Dale Johannesen <dalej@apple.com>
2690 Andrew Pinski <pinskia@physics.uc.edu>
2692 * combine.c (find_split_point): Sign extend bitmask
2693 when changing bitfield assignment to IOR of AND.
2695 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2697 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2698 clobber to scratch reg.
2699 (*decrement_and_branch_until_zero_no_clobber): Remove.
2700 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2701 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2702 * config/ms1/ms1.opt (mmul): Remove.
2703 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2704 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2706 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2707 Bernd Schmidt <bernd.schmidt@analog.com>
2709 * pa/predicates.md (symbolic_operand): Add comment.
2710 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2711 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2712 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2713 (pa_secondary_reload_class): Delete.
2714 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2715 and pa_secondary_reload_class. Reorder some checks. Update inline
2716 copy of symbolic operand.
2717 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2719 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2721 * loop-doloop.c (add_test): Only add jump notes if we did emit a
2724 2005-11-30 Jeff Law <law@redhat.com>
2726 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2727 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2729 2005-11-30 Jakub Jelinek <jakub@redhat.com>
2731 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2732 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2733 (ia64_expand_move): Adjust caller.
2735 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2736 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2739 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
2741 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2742 Always produce an output if we can remove NEGs or canonicalize
2743 (minus (minus ...)) expressions. Provide a fast path for the
2745 (simplify_gen_binary): Do not call simplify_plus_minus.
2746 (simplify_binary_operation_1): Reassociate at the end of the
2749 2005-11-29 Evan Cheng <evan.cheng@apple.com>
2751 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2752 moves and unpack to speed up.
2754 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
2756 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2757 argument, they are always sparc_compare_op0 and sparc_compare_op1.
2758 (gen_v9_scc): Update callers.
2759 * config/sparc/sparc.md: Likewise.
2760 * config/sparc/sparc-protos.h: Update extern declaration.
2762 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2764 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2766 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2769 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2771 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2772 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2773 (negate_expr): Here.
2775 2005-11-29 Ben Elliston <bje@au.ibm.com>
2777 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2778 Fix typo in comment.
2780 2005-11-29 Ben Elliston <bje@au.ibm.com>
2782 * Makefile.in (clean-target): Depend on clean-target-libgcc.
2783 (clean-target-libgcc): Import rule from the top-level Makefile.in.
2785 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2789 * builtins.c (init_target_chars): New.
2790 (expand_builtin_printf, expand_builtin_fprintf,
2791 expand_builtin_sprintf, fold_builtin_sprintf,
2792 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2793 fold_builtin_snprintf_chk, fold_builtin_printf,
2794 fold_builtin_fprintf): Check for matching format strings using
2797 2005-11-29 Paul Brook <paul@codesourcery.com>
2799 * config.gcc: Do not use fixproto on m68k-elf.
2801 2005-11-28 Roger Sayle <roger@eyesopen.com>
2803 * expmed.c (div_cost): Replace with...
2804 (sdiv_cost, udiv_cost): New.
2805 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2806 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2807 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2808 (expand_divmod): Replace use of div_cost with either sdiv_cost
2809 or udiv_cost depending upon the signedness of the operation.
2811 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2814 * config/darwin.c (machopic_indirection_name,
2815 machopic_output_indirection): Follow transparent alias chain.
2817 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2819 * varasm.c (ultimate_transparent_alias_target): Add comment.
2821 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
2823 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2824 SET_SRC instead of XEXP where appropriate.
2826 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2828 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2831 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2833 * config/fp-bit.h (LSHIFT): Take shift count parameter.
2834 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2837 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
2839 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2840 secondary_input_reload_class, made static. Adapt to new
2842 (secondary_output_reload_class): Delete.
2843 (TARGET_SECONDARY_RELOAD): New macro.
2844 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2845 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2847 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
2850 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
2851 when its natural alignment is > BITS_PER_UNIT.
2852 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2853 * c-common.c (handle_packed_attribute): Ignore packing on a field
2854 whose type is naturally char aligned.
2856 2005-11-28 Richard Guenther <rguenther@suse.de>
2858 * c-common.c (strict_aliasing_warning): Handle all
2859 component-ref like accesses.
2861 2005-11-28 Roger Sayle <roger@eyesopen.com>
2862 Uros Bizjak <uros@kss-loka.si>
2865 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2866 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2867 when flag_unsafe_math_optimizations is set and
2868 we don't care about NaNs or Infinities.
2870 Move x/expN(y) and x/pow(y,z) transformation into common
2871 flag_unsafe_math_optimizations section.
2873 2005-11-27 Mark Mitchell <mark@codesourcery.com>
2875 * gcc.c (main): Change type of argv to "char **".
2877 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2879 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2880 small data sections.
2881 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2882 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2883 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2884 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
2885 output locals to sbss if !rs6000_elf_in_small_data_p.
2886 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2888 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2891 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2892 generated by reload.
2893 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2894 indexed_or_indirect_address.
2895 (indexed_or_indirect_address): Don't test for base reg. Call
2896 address_operand last. Make it a special predicate.
2898 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
2900 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2902 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
2905 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2907 (negate_expr): Likewise.
2909 2005-11-27 Andreas Schwab <schwab@suse.de>
2911 * config/m68k/m68k.c: Reindent and fix whitespace, remove
2914 2005-11-27 Steven Bosscher <stevenb@suse.de>
2916 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2917 has EH predecessor edges.
2919 2005-11-26 Eric Christopher <echristo@apple.com>
2921 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2922 register stalls by zero extending to the full register.
2924 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
2926 * config/floatunsisf.c, config/floatunsidf.c,
2927 config/floatunsixf.c, config/floatunsitf.c: New files.
2928 * config/ia64/t-hpux: Add floatunsitf.c.
2929 * config/ia64/ia64.c (ia64_init_libfuncs): Use
2930 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2932 2005-11-26 Richard Henderson <rth@redhat.com>
2934 * c-lex.c (pragma_lex): Rename from c_lex.
2935 * c-pch.c: Update for pragma_lex rename.
2936 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2937 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2938 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2939 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2940 * doc/tm.texi: Likewise.
2942 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
2945 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2946 when overflow is undefined.
2948 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
2950 * doc/md.texi (Insn Canonicalizations): Refer to the
2951 function commutative_operand_precedence for further rules.
2953 2005-11-25 Roger Sayle <roger@eyesopen.com>
2956 * expmed.c (choose_mult_variant): Return immediately when mult_cost
2957 is less than zero. Limit mult_cost to a reasonable upper bound for
2958 the synthetic multiplication sequence.
2960 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2963 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2964 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2965 Lookup the explicit replacement functions for any unlocked
2966 stdio builtin transformations.
2968 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
2970 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2972 * targhooks.c (default_secondary_reload): Don't require operand 2
2973 for an input reload to be earlyclobber.
2975 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2977 * fold-const.c (negate_mathfn_p): Fix comment and add support
2978 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2981 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2984 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2985 _Q_ulltoq for unsigned conversions from SImode and DImode to
2988 2005-11-25 Alan Modra <amodra@bigpond.net.au>
2990 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2991 (__floatundidf, __floatundisf): Likewise.
2993 2005-11-25 David Edelsohn <edelsohn@gnu.org>
2995 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2996 (rs6000_override_options): Remove initialization of
2997 rs6000_sr_alias_set.
2998 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2999 (rs6000_emit_stack_tie): Same.
3000 (emit_frame_save): Same.
3001 (gen_frame_mem_offset): Same.
3002 (rs6000_emit_prologue): Same.
3003 (rs6000_emit_epilogue): Same.
3005 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
3008 * fold-const.c (fold_build): Convert bool_var != 1 and
3009 bool_var == 0 to !bool_var.
3011 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
3014 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
3015 for C being INTEGER_CST. Likewise for !=.
3017 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
3020 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
3021 unsigned conversions from SImode to TFmode.
3023 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
3025 * expr.c (expand_expr_real_1): Fix error in last change.
3027 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
3029 * caller-save.c: (this_insn_sets): Move into:
3030 (save_call_clobbered_regs).
3031 (mark_set_regs): Get this_insn_sets from data.
3033 (save_call_clobbered_regs): Take sets of the return value by
3034 sibcalls into account.
3036 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
3039 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
3040 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
3041 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
3042 (memory_move_secondary_cost, init_reg_autoinc): Remove
3043 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
3044 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
3045 secondary_reload_class call.
3046 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
3048 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
3049 (push_secondary_reload): Use secondary_reload target hook.
3050 (secondary_reload_class, scratch_reload_class): New functions.
3051 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
3052 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
3053 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
3054 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
3055 (secondary_reload_class, scratch_reload_class): Declare.
3056 * reload1.c: Include target.h.
3057 (reload_adjust_reg_for_temp): New function.
3058 (reload_adjust_reg_for_icode): Likewise.
3059 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
3060 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
3062 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
3063 for inheritance. Support case when both secondary & tertiary reloads
3064 are for intermediate registers.
3065 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
3066 with secondary_reload_class call. Support case when both secondary
3067 & tertiary reloads are for intermediate registers.
3068 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
3069 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
3070 * target.h (secondary_reload_info): New struct / typedef.
3071 (struct gcc_target): New member secondary_reload.
3072 * targhooks.c Include reload.h, optabs.h and recog.h.
3073 (default_secondary_reload): New function.
3074 * targhooks.h (default_secondary_reload): Declare.
3075 * doc/tm.texi: Document secondary_reload target hook. Update
3076 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
3077 * doc/md.texi: Likewise.
3079 * sh-protos.h (sh_secondary_reload): Declare.
3080 * sh.c (TARGET_SECONDARY_RELOAD): Override.
3081 (sh_secondary_reload): New function.
3082 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
3083 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
3084 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
3085 (HAVE_SECONDARY_RELOADS): Define.
3086 * sh.md (reload_indf): Rename to:
3088 (reload_outdf): Rename to:
3089 (reload_outdf__RnFRm).
3090 (reload_insf): Rename to:
3092 (reload_insi): Rename to:
3093 (reload_insi__i_fpul).
3095 2005-11-24 Uros Bizjak <uros@kss-loka.si>
3097 * configure.ac: Require at least texinfo 4.4.
3098 * configure: Regenerate.
3100 * doc/install.texi (Tools/packages necessary for building GCC):
3101 Update required version of texinfo to at least 4.4.
3102 (Installing GCC: Building): Update required version of texinfo
3104 (Installing GCC: Final installation): Update required version
3105 of texi2dvi to at least 4.4.
3106 (Host/target specific installation notes for GCC): Update required
3107 version of texinfo to at least 4.4.
3109 2005-11-24 Richard Guenther <rguenther@suse.de>
3110 Dirk Mueller <dmueller@suse.de>
3113 * c-common.h (strict_aliasing_warning): Declare.
3114 * c-common.c (strict_aliasing_warning): New function,
3116 * c-typeck.c (build_c_cast): ... here.
3118 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
3120 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3122 (swap_commutative_operands_with_target): New.
3124 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
3126 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
3127 also when doing PRE, rather than only for global CPROP.
3129 2005-11-24 Ben Elliston <bje@au.ibm.com>
3131 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
3132 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
3134 (expand_twoval_unop): Likewise.
3135 (widen_clz): Likewise.
3136 (expand_parity): Likewise.
3137 (expand_unop): Likewise.
3138 (emit_cmp_and_jmp_insn_1): Likewise.
3139 (prepare_float_lib_cmp): Likewise.
3141 2005-11-24 Ben Elliston <bje@au.ibm.com>
3143 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
3144 Remove unused `class' variable.
3146 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
3149 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
3150 C/C++ diagnostic function warn_array_subscript_with_type_char.
3151 * c-common.h (warn_array_subscript_with_type_char): Declare.
3152 * c-common.c (warn_array_subscript_with_type_char): Define.
3154 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
3157 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
3158 compiling at the intersection of C and C++.
3160 2005-11-23 Mark Mitchell <mark@codesourcery.com>
3162 * doc/invoke.texi: For man pages, include gcc-vers.texi.
3163 List @file in the option summary. Include the libiberty
3164 documentation for @file.
3165 * gcc.c (main): Call expandargv.
3166 * Makefile.in (gcc-vers.texi): Define srcdir.
3168 2005-11-23 Diego Novillo <dnovillo@redhat.com>
3170 * passes.c (init_optimization_passes): Document
3171 sequencing of passes.
3173 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
3175 * config/m68k/predicates.md (pcrel_address, extend_operator,
3176 post_inc_operand, pre_dec_operand): Remove redundant
3178 (const_uint32_operand, const_sint32_operand): Use gcc_assert
3180 (valid_dbcc_comparison_p): Rewrite in the lisp style.
3182 2005-11-23 Ben Elliston <bje@au.ibm.com>
3184 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
3186 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
3188 Preparatory work for PR target/21623:
3189 * alpha.c (secondary_reload_class): Rename to:
3190 (alpha_secondary_reload_class).
3191 * alpha.h, alpha-protos.h: Likewise.
3192 * mn10300.c (secondary_reload_class): Rename to:
3193 (mn10300_secondary_reload_class).
3194 * mn10300.h, mn10300-protos.h: Likewise.
3195 * pa.c (secondary_reload_class): Rename to:
3196 (pa_secondary_reload_class).
3197 * pa.h, pa-protos.h: Likewise.
3198 * rs6000.c (secondary_reload_class): Rename to:
3199 rs6000_secondary_reload_class.
3200 * rs6000.h, rs6000-protos.h: Likewise.
3202 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
3205 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
3207 2005-11-22 Ian Lance Taylor <ian@airs.com>
3209 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
3211 (prepare_cmp_insn): Likewise.
3213 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
3216 * m68k.md (zero_extendsidi2): Force operands[1] to a register
3217 if both operands[0] and operands[1] are memory.
3219 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
3222 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
3223 COMPARISON_CLASS_P and an integral types create create a new
3224 expression with the new type and fold that.
3226 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
3229 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
3230 to SUBTARGET_OS_CPP_BUILTINS.
3232 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
3234 * arm.c (emit_set_insn): New function.
3235 (arm_split_constant): Call it.
3236 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
3237 (arm_legitimize_address): Likewise. Use plus_constant.
3238 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
3239 (thumb_expand_prologue): Likewise.
3240 (arm_gen_load_multiple): Use VOIDmode in SET.
3241 (arm_gen_store_multiple): Likewise.
3242 (vfp_emit_fstmx): Likewise. Use plus_constant.
3243 (emit_multi_reg_push): Likewise.
3244 (emit_sfm): Use plus_constant.
3246 2005-11-23 Alan Modra <amodra@bigpond.net.au>
3249 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
3252 2005-11-22 Alan Modra <amodra@bigpond.net.au>
3255 * expmed.c (store_bit_field): Don't attempt to insv a field
3256 larger than the reg.
3258 2005-11-22 Alan Modra <amodra@bigpond.net.au>
3261 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
3262 explicit sign extension, not a (char) cast.
3264 2005-11-22 Ben Elliston <bje@au.ibm.com>
3266 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
3267 GET_MODE_CLASS (x) == MODE_FLOAT.
3268 * config/i386/i386.c: Likewise.
3269 * config/rs6000/xcoff.h: Likewise.
3270 * config/rs6000/linux64.h: Likewise.
3271 * config/rs6000/rs6000.c: Likewise.
3272 * config/rs6000/rs6000.h: Likewise.
3273 * config/rs6000/predicates.md: Likewise.
3274 * config/rs6000/sysv4.h: Likewise.
3276 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3278 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
3281 * config/alpha/freebsd.h, config/alpha/linux.h,
3282 config/arm/linux-elf.h, config/bfin/bfin.h,
3283 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
3284 config/i386/beos-elf.h, config/i386/gnu.h,
3285 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
3286 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
3287 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
3288 config/rs6000/linux64.h, config/rs6000/sysv4.h,
3289 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
3290 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
3291 config/sparc/linux.h, config/sparc/linux64.h,
3292 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
3294 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
3295 are both defined when either flag -fpic or -fPIC are used.
3297 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
3299 * config/fp-bit.c (clzusi): New function.
3300 (si_to_float, usi_to_float): Use it to compute proper shift.
3301 (usi_to_float): Preserve guard bits when shifting right.
3302 * libgcc-std.ver (GCC_4.2.0): New version.
3303 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
3304 __floatundisf): New functions.
3305 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
3306 __floatundisf): Declare.
3307 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
3308 _floatundixf, and _floatunditf.
3309 * optabs.c (expand_float): If target does not define a pattern for
3310 signed or unsigned conversion, use an unsigned libcall instead of
3312 (init_optabs): Initialize ufloat_optab.
3314 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
3316 * config/rs6000/rs6000.opt (mmulhw): New option.
3317 * doc/invoke.texi (-mmulhw): Document.
3318 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
3320 * config/rs6000/rs6000.md: Add half-word multiply and
3321 multiply-accumulate instructions for 405 and 440.
3323 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
3325 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
3326 which matches behavior of gcc 4.0 and older for RTEMS targets. The
3327 default now includes a linker group which makes the RTEMS one nest.
3329 2005-11-22 Ben Elliston <bje@au.ibm.com>
3331 * cse.c (fold_rtx): Typo fix.
3332 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
3334 2005-11-21 Richard Henderson <rth@redhat.com>
3336 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
3337 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
3339 * c-tree.h (lookup_name): Move declaration ...
3340 * c-common.h (lookup_name): ... here.
3341 * config/darwin-c.c: Include c-common.h.
3342 * config/t-darwin: Update dependencies.
3344 2005-11-22 Ben Elliston <bje@au.ibm.com>
3346 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
3347 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
3348 * genopinit.c (gen_insn): Likewise.
3349 * reload.c (find_equiv_reg): Likewise.
3350 * loop.c (load_mems): Likewise.
3351 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
3352 * cse.c (find_comparison_args, fold_rtx): Likewise.
3353 * dwarf2out.c (add_const_value_attribute): Likewise.
3354 * expr.c (convert_move): Likewise.
3355 * recog.c (general_operand, register_operand): Likewise.
3356 * reg-stack.c (replace_reg): Likewise.
3357 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3358 * c-common.c (handle_vector_size_attribute): Likewise.
3359 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
3360 (simplify_binary_operation_1): Likewise.
3361 (simplify_const_binary_operation): Likewise.
3362 (simplify_relational_operation): Likewise.
3363 (simplify_const_relational_operation): Likewise.
3364 (simplify_immed_subreg): Likewise.
3365 * emit-rtl.c (gen_lowpart_common): Likewise.
3366 * expmed.c (expand_mult): Likewise.
3367 * stor-layout.c (layout_type): Likewise.
3369 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
3372 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
3373 cst2 only for SPE vectors.
3375 2005-11-21 David Edelsohn <edelsohn@gnu.org>
3378 * config/rs6000/predicates.md (vrsave_operation): Check
3379 UNSPEC_VOLATILE value.
3381 2005-11-21 Jan Hubicka <jh@suse.cz>
3383 PR tree-optimization/24653
3384 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
3386 2005-11-21 Uros Bizjak <uros@kss-loka.si>
3388 * config/i386/predicates.md (ax_reg_operand): New predicate.
3389 (memory_displacement_only_operand): New predicate.
3390 * config/i386/i386.md ("modrm" attribute): Return 0 if one
3391 operand is AX register and the other operand is memory operand
3392 with displacement only.
3394 2005-11-21 Uros Bizjak <uros@kss-loka.si>
3396 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
3397 if we don't care about NaNs or Infinities.
3399 2005-11-20 Ian Lance Taylor <ian@airs.com>
3401 PR rtl-optimization/24883
3402 * combine.c (combinable_i3pat): When checking whether the
3403 destination of i3 is used in i3, consider paradoxical subregs.
3405 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
3408 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
3410 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
3412 * combine.c (try_combine): Do not run subst on i1src and i2src in
3413 the case of generating a PARALLEL for a comparison.
3415 2005-11-20 Richard Henderson <rth@redhat.com>
3418 * tree-sra.c (struct sra_elt): Add all_no_warning.
3419 (struct sra_walk_fns) <use>: Add use_all argument.
3420 (sra_walk_expr): Pass it.
3421 (sra_walk_modify_expr): Likewise.
3422 (scalarize_ldst): Likewise.
3423 (scan_use): Update for new argument.
3424 (mark_no_warning): New.
3425 (scalarize_use): Use it.
3427 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3429 * expr.c (expand_expr_real): Use usmul_optab for widening
3430 signed * unsigned multiplies.
3431 * genopinit.c (optabs): Add usmul_widen_optab.
3432 * optabs.c (init_optabs): Likewise.
3433 * optabs.h (enum optab_index): Add OTI_usmul_widen.
3434 (usmul_widen_optab): Define.
3435 * config/bfin/bfin.md (usmulhisi3): New pattern.
3437 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3439 2005-11-20 Graham Stott <btinternet.com>
3441 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
3443 2005-11-20 Andreas Schwab <schwab@suse.de>
3446 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3449 2005-11-19 Richard Henderson <rth@redhat.com>
3452 * tree-gimple.c (is_gimple_id): Export.
3453 * tree-gimple.h (is_gimple_id): Declare.
3454 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3455 (get_default_value): Use it.
3456 (maybe_fold_stmt_indirect): Likewise.
3458 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
3460 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3461 than VR1 or vice-versa.
3463 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
3467 * reload.c (find_reloads_address_1): Mention dependency on
3469 * reload1.c (gen_reload): For IN with an unary operation, try
3470 moving inner expression to OUT if trivial SET is not valid.
3471 Confirm that the result is valid. Move common code block into...
3472 (emit_insn_if_valid_for_reload): New function.
3474 2005-11-19 Richard Guenther <rguenther@suse.de>
3476 * fold-const.c (fold_indirect_ref_1): Make sure we fold
3477 ARRAY_REFs of constant strings.
3479 2005-11-19 Jakub Jelinek <jakub@redhat.com>
3481 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3482 fatal format string.
3484 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
3486 * combine.c (make_compound_operation): Swap operands of
3487 commutative operation if necessary before returning.
3489 2005-11-19 Richard Guenther <rguenther@suse.de>
3492 * fold-const.c (fold_plusminus_mult_expr): New function.
3493 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3494 cases, remove now unnecessary code.
3496 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
3498 * gensupport.c (old_preds): Rename to std_preds, add special field.
3499 (struct old_pred_table): Rename to struct std_pred_table, add special
3501 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3502 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3503 (init_predicate_table): Adjust, and set along the way whether a
3504 predicate is special.
3506 2005-11-18 Mark Mitchell <mark@codesourcery.com>
3508 * BASE-VER: Change to 4.2.0.
3510 2005-11-18 James E Wilson <wilson@specifix.com>
3512 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3515 2005-11-18 Mike Stump <mrs@apple.com>
3517 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3518 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3519 * c-decl.c (lookup_name_two) Remove.
3520 * c-tree.h (lookup_name_two): Remove.
3521 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3522 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3523 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3524 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
3526 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
3529 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3530 when not generating code to use that co-processor.
3532 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
3534 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3535 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3536 these functions are now in tree-phinodes.c.
3538 2005-11-18 Jie Zhang <jie.zhang@analog.com>
3540 * config/bfin/bfin.md (trap): New pattern.
3542 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3544 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3547 * expr.c (expand_expr_real): Don't call record_block_change unless
3548 ib_boundaries_block is non-null
3550 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
3552 * fold-const.c (build_range_check): Use proper type for subtraction
3553 when merging lower bound.
3555 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
3557 PR rtl-optimization/24497
3558 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3561 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
3563 * tree-scalar-evolution.c (expression_expensive_p): New function.
3564 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3566 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
3568 * config/bfin/crtlibid.s: New file.
3570 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3573 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3574 when not using sjlj exceptions.
3575 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3576 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3577 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3578 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3579 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3580 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3581 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3582 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3583 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3584 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3585 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3586 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3587 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3589 * config/pa/hpux-unwind.h: New file.
3591 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
3593 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3594 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3595 * varasm.c (do_assemble_alias): Adjust call.
3596 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3598 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3600 2005-11-17 James E Wilson <wilson@specifix.com>
3602 * tree.def (FUNCTION_DECL): Correct typo in comment.
3604 2005-11-17 Richard Henderson <rth@redhat.com>
3606 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3607 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3608 and DW_CFA_def_cfa_sf.
3609 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3610 (dbx_reg_number): Don't assert particular registers here.
3611 (based_loc_descr): ... do it here instead. Fold in ...
3612 (eliminate_reg_to_offset): ... this function.
3613 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3614 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3615 * unwind-dw2.c (execute_cfa_program): Apply data align factor
3616 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3617 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3618 (instantiate_virtual_regs): Likewise.
3619 * var-tracking.c (adjust_stack_reference): Likewise.
3620 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3622 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
3624 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3625 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3626 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3628 ($(T)crtlibid.o): New rule.
3630 2005-11-16 Richard Guenther <rguenther@suse.de>
3633 * fold-const.c (extract_array_ref): Return byte offset
3635 (fold_binary): Fold &x[a] CMP &x[b] to
3636 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3639 2005-11-16 Richard Henderson <rth@redhat.com>
3642 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3643 parts of an SSA_NAME.
3645 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
3648 * arm.md (split for movsf with immediate): Restrict split to insns
3649 that set a general register.
3651 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3653 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
3655 * unwind-dw2.c (uw_advance_context): Likewise.
3656 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
3657 _Unwind_SjLj_Unregister.
3658 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3660 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3662 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3664 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3666 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3667 langhook to get a DImode integer type.
3669 2005-11-16 Richard Henderson <rth@redhat.com>
3670 J"orn Rennecke <joern.rennecke@st.com>
3671 Ulrich Weigand <uweigand@de.ibm.com>
3675 * reload1.c (reg_equiv_invariant): New.
3676 (reload): Allocate, initialize, and free it.
3677 (calculate_needs_all_insns): Check it when skipping equivalence
3679 (alter_reg): Likewise.
3680 (eliminate_regs_1): Rename from eliminate_regs. Add new
3681 may_use_invariant argument; only use reg_equiv_invariant when true.
3682 (eliminate_regs): New.
3683 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3684 a context for which may_use_invariant may be true.
3686 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3688 * fold-const.c (const_binop): Don't constant fold the operation
3689 if the result has overflowed and flag_trapping_math.
3690 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3692 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3694 * config/arm/unwind-arm.c (abort): Add prototype here.
3695 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3696 (struct phase1_vrs): Add prev_sp.
3697 (unwind_phase2_forced): Save the original core registers instead of
3698 modifying entry_vrs. Take a new flag argument for resuming unwinding
3699 and set action flags accordingly. Always set _US_END_OF_STACK when
3700 get_eit_entry fails. Unwind before calling the stop function.
3701 (_Unwind_GetCFA): New function.
3702 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3703 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3704 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3705 just call unwind_phase2_forced.
3706 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3707 * config/arm/unwind-arm.h (abort): Remove prototype.
3708 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3710 (_Unwind_GetCFA): New prototype.
3711 * config/arm/pr-support.c (abort): Add prototype here.
3712 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3714 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3715 not schedule the prologue with non-call exceptions and EABI.
3717 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
3719 * config/arm/unwind-arm.h: Reorder interface function declarations.
3720 (_URC_END_OF_STACK): New enumeration value.
3721 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3722 (struct _Unwind_Control_Block): Document reserved field use.
3723 (_Unwind_Stop_Fn): New typedef.
3724 (_Unwind_ForcedUnwind): Declare.
3725 (_Unwind_Resume_or_Rethrow): Declare.
3726 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3728 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3729 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3730 (UCB_FORCED_STOP_ARG): New.
3731 (search_EIT_table): Update boundary condition checks.
3732 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3733 (unwind_phase2): Replace for with do..while.
3734 (unwind_phase2_forced): New.
3735 (__gnu_Unwind_RaiseException): Replace for with do..while.
3736 (__gnu_Unwind_ForcedUnwind): New.
3737 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3738 Use appropriate phase2 unwinder.
3739 (__gnu_Unwind_Resume_or_Rethrow): New.
3740 (__gnu_unwind_pr_common): Cope with forced unwinding.
3742 2005-11-16 David Edelsohn <edelsohn@gnu.org>
3745 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3747 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3748 roundsf2): Remove "s" from mnemonic.
3750 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
3752 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3754 * config/bfin/crtn.s: Change epilogues to match.
3755 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3756 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3757 __PIC__ and __pic__.
3759 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
3762 * doc/invoke.texi: Distinguish between free and fixed form instead of
3763 Fortran and Fortran 90/95. Remove ratfor from the list of supported
3765 * gcc.c (default_compilers): Remove double entries, add entries for
3766 suffixes '.F90' and '.F95'.
3768 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3770 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3771 in the stack probing loop.
3773 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3775 * configure.ac: Use .machine power5 not power5x.
3776 * configure: Regenerate.
3778 2005-11-15 Mike Stump <mrs@apple.com>
3780 * c-decl.c (lookup_name_two): Add.
3781 * c-tree.h (lookup_name_two): Likewise.
3782 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3783 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3785 2005-11-16 Alan Modra <amodra@bigpond.net.au>
3787 PR rtl-optimization/23392
3788 * regrename.c (enum scan_actions) Add mark_access.
3789 (scan_actions_name): Ditto.
3790 (scan_rtx_reg): Handle mark_access.
3791 (scan_rtx_address): Do nothing for mark_access.
3792 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3793 and regs in REG_INC notes before closing chains for dead regs.
3794 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3795 opening chains for new writes.
3797 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3799 * c.opt (ffixed-line-length-none): New.
3801 2005-11-15 Steve Ellcey <sje@cup.hp.com>
3803 * mklibgcc.in: Change contents of eh_dummy.c.
3805 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3807 * loop.c (scan_loop): Do not insert temporaries for hard registers.
3809 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3811 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3813 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
3815 2005-11-15 Jan Hubicka <jh@suse.cz>
3817 * invoke.texi (large-unit-insns): Document.
3818 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3819 * params.def (large-unit-insns): New param.
3821 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
3824 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3825 special register for operand 3. Reindent constraints to align
3828 2005-11-14 David Edelsohn <edelsohn@gnu.org>
3830 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3831 -mpopcntb, -mfprnd. Add -mcpu=power5+.
3832 * configure.ac: Add test for FP rounding instructions.
3833 * configure: Regenerate.
3834 * config.in: Regenerate.
3835 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3836 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3838 * config/rs6000/rs6000.opt (mfprnd): New.
3839 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3840 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3841 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3842 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3843 (TARGET_FPRND): New.
3844 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3846 (btrunc<mode>2): New.
3848 (floor<mode>2): New.
3849 (round<mode>2): New.
3851 2005-11-14 Geoffrey Keating <geoffk@apple.com>
3853 * gcc.c (version_compare_spec_function): Use fatal() rather than
3856 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3857 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3858 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3860 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3863 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3864 on -mmacosx-version-min setting.
3866 2005-11-14 Diego Novillo <dnovillo@redhat.com>
3869 * tree-vrp.c (infer_value_range): Return false if STMT is a
3870 block terminator and its basic block has no successors.
3872 2005-11-14 Mike Stump <mrs@apple.com>
3874 * config/i386/i386.c (override_options): -masm=intel isn't
3875 supported on darwin.
3876 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3878 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
3880 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3881 vfork after including auto-host.h.
3883 2005-11-15 Alan Modra <amodra@bigpond.net.au>
3885 PR rtl-optimization/22002
3886 * combine.c (distribute_notes): Detect cases where a reg dies
3887 two or more times in a bb, including on the insn we are combining,
3888 and place the death note on the correct range.
3890 2005-11-14 Dale Johannesen <dalej@apple.com>
3892 * expmed.c (store_bit_field): Add offset unconditionally for
3894 (extract_bit_field): Don't force extzv or extv operand into
3895 a register if field is too big.
3897 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3899 * config/arm/arm.c (pic_labelno): New.
3900 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3901 LABEL_REF. Pass only the labelno to PIC insns.
3902 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3903 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3904 * arm.md (UNSPEC_PIC_LABEL): New constant.
3905 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3906 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3907 Use the correct label prefix.
3909 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3911 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3914 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
3916 * loop-invariant.c: Include tm_p.h.
3917 * Makefile.in: Updated.
3919 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3921 * pa.c (store_reg): Revise generation of frame notes in large frames.
3922 (set_reg_plus_d): Likewise.
3924 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
3926 PR tree-optimization/24709
3927 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3930 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
3932 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3933 and duplicate declaration of pthread_self.
3935 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
3936 Ian Lance Taylor <ian@airs.com>
3939 * calls.c (expand_call): If TARGET is a MEM and some part of the
3940 argument area has been saved, force TARGET to a register.
3942 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
3944 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3947 2005-11-13 Jason Merrill <jason@redhat.com>
3950 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3951 lazily declared methods.
3952 (force_decl_die): Stop if forcing out the context already make a
3954 (force_type_die): Likewise.
3956 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
3959 * builtins.c (integer_valued_real_p): Add break in
3960 REAL_CST having TREE_OVERFLOW set.
3962 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
3964 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3965 addressing modes during calculation of costs.
3967 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
3969 * function.c (assign_stack_local_1): Restrict sanity check
3970 on frame size overflow to 32-bit and above platforms.
3972 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3974 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3975 * config/cris/cris.c: Include reload.h.
3976 (cris_initial_elimination_offset): New function.
3977 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3980 2005-11-12 Richard Guenther <rguenther@suse.de>
3982 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3984 2005-11-12 Jan Hubicka <jh@suse.cz>
3986 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3987 to compare against 0 when possible.
3989 2005-11-12 Jie Zhang <jie.zhang@analog.com>
3991 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3992 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3993 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3994 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3997 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3999 * recog.c (constrain_operands) <case 'g'>: For a match, require
4000 that a non-register matches general_operand when strict >= 0.
4002 2005-11-11 Steven Bosscher <stevenb@suse.de>
4004 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
4007 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
4009 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
4010 (memory_address_same): New.
4011 (dse_optimize_stmt): Call memory_address_same.
4013 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
4016 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
4017 ZERO_EXTEND>: New cases.
4019 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
4021 * longlong.h (__clz_tab): Always provide.
4023 2005-11-11 Steven Bosscher <stevenb@suse.de>
4026 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
4028 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
4029 before check_maybe_invariant.
4030 (move_invariant_reg): Use gen_move_insn instead of replacing
4031 SET_DEST with the temporary for the invariant.
4032 (move_loop_invariants): If checking is enabled, do internal
4033 consistency checks after completing the pass.
4035 2005-11-11 David Edelsohn <edelsohn@gnu.org>
4038 * common.opt (Wvolatile-register-var): New.
4039 * varasm.c (make_decl_rtl): Only emit warning when option
4040 specified. Clarify warning message.
4041 * doc/invoke.texi (Wvolatile-register-var): Document new option.
4043 * doc/md.texi (copysign): Document standard named pattern.
4045 2005-11-11 Jie Zhang <jie.zhang@analog.com>
4047 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
4048 bytes when align is 2.
4049 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
4050 by the first instruction of the loop.
4052 2005-11-11 Jason Merrill <jason@redhat.com>
4055 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
4058 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
4060 PR rtl-optimization/22509
4061 * local-alloc.c (memref_used_between_p): Check whether a function call
4062 could not reference the memref.
4064 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
4066 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
4067 algorithm so as to choose the best, not the worst, alternative.
4068 Reset accumulated register class before processing next alternative.
4070 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
4073 * calls.c (expand_call): Copy a return value to a plain register
4076 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
4079 * varasm.c (assemble_name): Recompute name only for transparent
4082 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
4084 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
4086 2005-11-04 Jeff Law <law@redhat.com>
4089 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
4090 perform reassociation if the parent statement will not die as
4091 a result of the optimization.
4093 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
4095 * tree-ssa-alias.c (compute_may_aliases): Remove call to
4096 delete_old_heap_vars.
4097 * tree-dfa.c (referenced_var_remove): Remove function.
4098 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
4099 (delete_tree_ssa): Remove call to delete_old_heapvars.
4100 Add call to delete_alias_heapvars.
4101 * tree-flow.h (referenced_var_remove): Remove prototype
4102 (init_alias_heapvars): New prototype.
4103 (delete_alias_heapvars): Ditto.
4104 * Makefile.in (tree-ssa-structalias.o): Add
4105 gt-tree-ssa-structalias.o
4106 (GTFILES): Add tree-ssa-structalias.h and
4107 tree-ssa-structalias.c.
4108 (s-gtype): Add gt-tree-ssa-structalias.h.
4109 * tree-ssa-structalias.c (heapvars): Remove.
4110 (oldheapvars): Remove.
4111 (heapvar_for_stmt): New variable.
4112 (heapvar_lookup): New function.
4113 (heapvar_insert): Ditto.
4114 (get_constraint_for): See if we have an old heapvar
4116 (init_alias_heapvars): New function.
4117 (delete_alias_heapvars): Ditto.
4118 Add include of gt-tree-ssa-structalias.h.
4120 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4123 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
4125 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
4127 * tree.c (int_fits_type_p): Only look at the base type
4128 if it has the same precision as the original type.
4130 2005-11-10 Jakub Jelinek <jakub@redhat.com>
4133 * varasm.c (assemble_alias): Use %q+D in the error
4134 message instead of %J and %qD.
4136 2005-11-10 Richard Guenther <rguenther@suse.de>
4138 * gcse.c (free_ldst_entry): Only free hashtable if
4141 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4143 * function.c (assign_stack_local_1): Issue an error message if
4144 the frame size overflows in the signed target arithmetics.
4146 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4148 * tree.c (build_qualified_type): Chain the new type to the original
4149 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4150 a POINTER_TYPE or a REFERENCE_TYPE respectively.
4151 (build_pointer_type_for_mode): Only return unqualified types.
4152 (build_reference_type_for_mode): Likewise.
4154 2005-11-09 Jakub Jelinek <jakub@redhat.com>
4156 * Makefile.in (gnucompare): Do comparison of all files using one of
4157 the chosen methods and only afterwards decide if just warning should
4158 be issued or comparison failure raised.
4160 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4162 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
4163 (noce_try_abs): Negate if the comparison is reversed.
4164 Look only one instruction backwards for a REG_EQUAL note.
4166 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
4169 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
4170 gthr-tpf.h: Define __gthrw. For all identifiers that might
4171 be weak, introduce weakrefs or non-weak aliases with __gthrw,
4172 and prefix all uses with __ghtrw.
4174 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
4177 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
4178 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
4179 * c-common.c (handle_weakref_attribute): New.
4180 (c_common_attribute_table): Add weakref.
4181 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
4183 * configure, config.in: Rebuilt.
4184 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
4185 * doc/extend.texi: Document weakref attribute.
4186 * varasm.c (ultimate_transparent_alias_target): New
4187 (assemble_name): Use it.
4188 (weak_finish_1): Split out of...
4189 (weak_finish): ... and deal with weakrefs in...
4190 (weakref_targets): ... new list.
4191 (globalize_decl): Clean up weakref_targets.
4192 (do_assemble_alias): Handle weakrefs.
4193 (finish_aliases_1): Do not reject weakrefs to external symbols.
4194 (assemble_alias): Handle weakrefs.
4196 2005-11-09 Richard Guenther <rguenther@suse.de>
4198 PR tree-optimization/24716
4199 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
4200 t_bool to track results from follow_ssa_edge.
4202 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4204 * final.c (force_source_line): New global variable.
4205 (final_scan_insn): Set it to true instead of clearing last_filename.
4206 (notice_source_line): Return true if force_source_line is true,
4207 unless source info is absent.
4209 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
4212 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
4213 a linkage name for a variable if it a register variable.
4214 * c-decl.c (grokdeclarator): Global register variables
4215 should be set as PUBLIC.
4217 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4220 * config/s390/s390.c (struct s390_frame_layout): New fields
4221 first_save_gpr_slot and last_save_gpr_slot.
4222 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
4223 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
4224 first_save_gpr and last_save_gpr with the _slot variants.
4225 (s390_register_info): Calculate first_save_gpr_slot and
4226 last_save_gpr_slot using regs_ever_live.
4228 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4231 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
4232 for a function containing a landing pad.
4234 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4237 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
4240 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
4242 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
4243 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
4245 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
4248 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
4250 (call,load,store): New insn types.
4251 (mem_access, branch_access): Adjust reservation conditions.
4252 (define_delay): Adjust condition.
4253 (decrement_and_branch_until_zero): Allow for ms2. Set branch
4255 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
4256 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
4258 (call_internal, call_value_internal, return_internal,
4259 return_interrupt_internal, eh_return_internal, indirect_jump,
4260 tablejump): Set call insn type.
4261 (blockage, ei, di): Use appropriate unspec const.
4262 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
4263 (ms1_get_attr_type): Adjust to give load & store types.
4264 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
4265 backwards past a barrier.
4266 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
4268 (struct branch_info, struct label_info): New.
4270 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
4271 (ms1_machine_reorg): New.
4272 (TARGET_MACHINE_DEPENDENT_REORG): Override.
4273 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
4274 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
4275 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
4278 2005-11-09 Per Bothner <per@bothner.com>
4279 Uros Bizjak <uros@kss-loka.si>
4282 * toplev.c (process_options): Initialize debug_hooks early
4283 in case lang_hooks.post_options ends up calling a debug_hook.
4285 2005-11-08 Jakub Jelinek <jakub@redhat.com>
4287 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
4288 DBX_REGISTER_NUMBER being contiguous.
4290 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
4291 Diego Novillo <dnovillo@redhat.com>
4294 * tree-vrp.c (register_edge_assert_for): Do not register
4295 always-false predicates.
4297 2005-11-08 Devang Patel <dpatel@apple.com>
4299 PR tree-optimization/23115
4300 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
4303 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
4305 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
4308 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
4310 Fix PR tree-optimization/23382
4312 * tree-ssa-alias.c (compute_may_aliases): Call
4313 delete_old_heap_vars.
4314 * tree-dfa.c (referenced_var_remove): New function.
4315 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
4316 * tree-flow.h (referenced_var_remove): Add prototype.
4317 (delete_old_heap_vars): Ditto.
4318 * tree-ssa-structalias.c (heapvars): New variable.
4319 (oldheapvars): Ditto.
4320 (get_constraint_for): Put heap vars on heapvars list.
4321 (delete_old_heap_vars): New function.
4323 2005-11-08 Jason Merrill <jason@redhat.com>
4325 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
4327 2005-11-08 Uros Bizjak <uros@kss-loka.si>
4330 * reg-stack.c (reg_to_stack): Update register liveness also
4331 for flag_sched2_use_traces.
4333 2005-11-08 Alan Modra <amodra@bigpond.net.au>
4336 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
4337 override prior explicit -mno-powerpc-gfxopt.
4339 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
4341 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
4342 if the bitsize is zero.
4343 * doc/md.texi (Standard Pattern Names): Document it.
4345 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
4346 (TARGET_PASS_BY_REFERENCE): Likewise.
4348 2005-11-07 Ian Lance Taylor <ian@airs.com>
4350 PR rtl-optimization/24683
4351 * config/i386/i386.c (legitimize_pic_address): If constant operand
4352 to PLUS is too large, put it in a register.
4354 2005-11-07 Jie Zhang <jie.zhang@analog.com>
4356 * configure.ac: Enable checking assembler dwarf2 support for bfin
4358 * configure: Regenerate.
4360 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
4364 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
4365 gen_easy_vector_constant_add_self): Delete.
4366 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
4368 (output_vec_const_move): Use gen_easy_altivec_constant.
4369 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
4370 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
4371 (easy_vector_constant_add_self): Rewritten.
4372 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
4373 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
4374 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
4375 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
4376 Macroize and adjust for the other changes.
4378 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
4382 * c-typeck.c (build_c_cast): Try using a shared constant, and see
4383 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
4385 2005-11-07 Jakub Jelinek <jakub@redhat.com>
4387 PR rtl-optimization/23567
4388 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
4389 (noce_process_if_block): Don't do any optimizations except
4390 if (cond) x = x; if !set_b and write into orig_x may trap
4391 or fault. Remove the MEM_READONLY_P check.
4393 2005-11-06 Diego Novillo <dnovillo@redhat.com>
4396 * tree-vrp.c (fix_equivalence_set): New.
4397 (extract_range_from_assert): Call it.
4399 2005-11-05 Ian Lance Taylor <ian@airs.com>
4402 * combine.c (apply_distributive_law): Don't distribute across a
4405 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
4407 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
4408 config/ms1/ms1.h, config/rs6000/predicates.md,
4409 config/s390/s390.c, params.def, postreload-gcse.c,
4410 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
4411 tree-vrp.c, tree.c: Fix comment typos.
4412 * doc/invoke.texi: Fix typos.
4414 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
4416 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
4417 for testing whether the data_dependence_relation contains distance
4418 vectors. Iterate over all distance vectors of the ddr.
4419 * lambda.h: Define a vec of lambda_vector pointers.
4420 * tree-data-ref.c (dump_data_dependence_relation,
4421 dump_data_dependence_direction): Iterate over all distance and
4422 direction vectors of the ddr.
4423 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
4425 (build_classic_dist_vector, build_classic_dir_vector): Push a set
4426 of distance/direction vectors instead of a single one.
4427 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
4428 lambda_vectors with a vec of lambda_vectors.
4429 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
4430 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
4431 DDR_NUM_DIST_VECTS): New.
4432 * tree-loop-linear.c (gather_interchange_stats): Test for the
4433 existence of distance vectors only after having checked that there
4434 is a dependence. Iterate over all distance vectors of the ddr.
4435 (linear_transform_loops): Use dump_data_dependence_relation.
4436 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
4437 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
4438 distance vectors of the ddr.
4440 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
4442 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
4443 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
4444 IS_INTHANDLER; all callers changed.
4445 (n_regs_saved_by_prologue): Take interrupt handler attributes into
4447 (do_link, do_unlink): New argument ALL; all callers changed.
4448 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
4449 If function isn't leaf, save and restore all registers.
4450 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
4453 2005-11-05 Jan Hubicka <jh@suse.cz>
4455 PR rtl-optimization/23490
4456 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
4457 max-flow-memory-location): Document.
4458 * flow.c: Include params.h
4459 (MAX_MEM_SET_LIST_LEN): Kill.
4460 (add_to_mem_set_list): Use new param.
4461 * cse.c (cse_basic_block): Replace 1000 by new param.
4462 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
4463 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
4464 * predict.c (predict_loops): Use new param.
4465 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
4467 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
4468 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4469 Do not hold memory returned by cgraph_node_name across other call.
4471 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
4474 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
4477 2005-11-04 Jeff Law <law@redhat.com>
4480 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
4481 * tree-ssa-dom.c: Include params.h.
4482 (thread_across_edge): If there are too many statements in the
4483 target block, then do not thread through it.
4484 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
4485 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
4487 2005-11-03 Diego Novillo <dnovillo@redhat.com>
4490 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
4491 TODO_update_ssa instead of TODO_update_ssa_no_phi.
4493 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
4496 * tree-scalar-evolution.c (instantiate_parameters_1,
4497 instantiate_parameters, resolve_mixers): Compute the size of an
4498 expression to be instantiated and give up the instantiation if the
4499 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4501 2005-11-04 Richard Guenther <rguenther@suse.de>
4503 * tree-flow.h (ref_contains_indirect_ref): Rename to
4504 array_ref_contains_indirect_ref.
4505 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
4506 (array_ref_contains_indirect_ref): Make comment match the code
4508 (ref_contains_array_ref): Likewise.
4509 * tree-ssa-structalias.c (find_func_aliases): Remove call to
4510 ref_contains_indirect_ref.
4511 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4512 Rename calls to ref_contains_indirect_ref.
4514 2005-11-04 Paul Brook <paul@codesourcery.com>
4516 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
4517 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
4518 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4519 * config/arm/arm.md: Use match_operand in peephole input templates
4520 and match_dup in peephole output templates.
4522 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4524 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
4527 2005-11-04 Mark Mitchell <mark@codesourcery.com>
4528 Daniel Jacobowitz <dan@codesourcery.com>
4530 * longlong.h (add_ssaaaa): Clobber condition code register
4532 (sub_ddmmss): Likewise.
4533 (umul_ppmm): Likewise.
4535 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4536 Paul Brook <paul@codesourcery.com>
4537 Phil Blundell <pb@reciva.com>
4539 * configure.ac: Add test for ARM TLS support.
4540 * configure: Regenerated.
4541 * config/arm/arm-protos.h (legitimize_tls_address)
4542 (arm_tls_referenced_p, tls_mentioned_p)
4543 (arm_output_addr_const_extra): New prototypes.
4544 (thumb_legitimize_pic_address): Delete.
4545 * config/arm/arm.c: Include "gt-arm.h".
4546 (enum tls_reloc): New.
4547 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
4548 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
4549 (arm_call_tls_get_addr, legitimize_tls_address)
4550 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
4551 (arm_init_tls_builtins, arm_emit_tls_decoration)
4552 (arm_output_addr_const_extra): New functions.
4553 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
4554 (TARGET_HAVE_TLS): Define.
4555 (target_thread_pointer): New.
4556 (arm_override_options): Handle -mtp=.
4557 (legitimize_pic_address): Ignore UNSPECs.
4558 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4560 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4561 (tls_get_addr_libfunc): New variable.
4562 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4563 (arm_init_builtins): Call arm_init_tls_builtins.
4564 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4565 (arm_encode_section_info): Call default_encode_section_info.
4566 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4567 (enum arm_tp_type): New.
4568 (target_thread_pointer): Add declaration.
4569 (LEGITIMATE_CONSTANT_P): Handle TLS.
4570 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4571 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4572 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4573 * config/arm/arm.md: Add UNSPEC_TLS.
4574 (movsi): Handle TLS.
4575 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4577 (tls_load_dot_plus_eight): New insn and a peephole to create it.
4578 (load_tp_hard, load_tp_soft): New insns.
4579 * arm.opt: Add -mtp=.
4580 * doc/invoke.texi (ARM Options): Document -mtp.
4582 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4584 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4585 * config/arm/libunwind.S: Include "lib1funcs.asm".
4586 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4587 (LIB2ADDEH): Add libunwind.S.
4588 (LIB2ADDEHDEP): Add lib1funcs.asm.
4589 * mklibgcc.in: Handle asm files in libgcc_eh.a.
4591 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4594 * gcc/c.opt: Add a -lang-fortran option.
4595 * gcc/c-opts.c: Add a lang_fortran flag.
4596 (c_common_init_options): Handling the -lang-fortran option.
4597 (c_common_handle_option): Add a case for Fortran options in
4598 preprocessing. Remove cases for -ffixed-form and
4599 -ffixed-line-length. Add a case for -lang-fortran.
4601 2005-11-03 David Edelsohn <edelsohn@gnu.org>
4603 * config/rs6000/rs6000.c: Include params.h
4604 (optimization_options): Set max-grow-copy-bb-insns default to 16.
4605 (bdesc_2arg): Delete vpkuhss and vpkuwss.
4606 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4607 (UNSPEC_VPKUWSS): Delete.
4608 (altivec_vpkuhss): Delete.
4609 (altivec_vpkuwss): Delete.
4610 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4612 (neg_eq0<mode>): Remove final condition.
4613 (neg_eq<mode>): Remove condition and split-condition.
4615 2005-11-04 Alan Modra <amodra@bigpond.net.au>
4617 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4618 Use associated print macros.
4620 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4623 * diagnostic.c (diagnostic_set_info_translated): New function.
4624 (diagnostic_set_info): Use it. Add comment.
4625 * diagnostic.h (diagnostic_set_info_translated): Declare.
4627 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
4629 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4630 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4631 reference only if 'public' is true.
4632 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4633 emit the .hidden directive only if the indirect reference is public.
4634 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4635 Pass it to dw2_force_const_mem.
4636 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4637 * dwarf2out.c (output_cfi): Adjust calls to above function.
4638 (output_call_frame_info): Likewise.
4639 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4640 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4642 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
4644 PR tree-optimization/24483
4645 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4646 field to elts if possible.
4648 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4651 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4654 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
4656 Fix PR tree-optimization/24351
4658 * tree-ssa-structalias.c (struct variable_info): Add
4660 (get_varinfo_fc): New function to follow collapsing.
4661 (new_var_info): Set collapsed_to to NULL.
4662 (dump_constraint): Follow collapsing.
4663 (build_constraint_graph): Handle collapsing.
4664 (do_simple_structure_copy): Return false if something bad
4666 (collapse_rest_of_var): New function.
4667 (do_structure_copy): Collapse if do_simple_structure_copy returns
4670 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4673 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4674 expressions to a statement list instead of gimplifying them.
4676 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4678 PR rtl-optimization/23585
4679 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4680 that can't trap plus a constant integer, if the mode has zero size.
4682 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
4685 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4687 ("*insv<mode>_reg_extimm"): Likewise.
4689 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4692 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4693 c_common_type_for_mode returns an unnamed type.
4695 2005-11-02 Richard Henderson <rth@redhat.com>
4699 * dwarf2out.c (dwarf2out_reg_save_reg): New.
4700 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4701 * function.c (assign_parms): Use calls.internal_arg_pointer.
4702 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4704 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4705 (TARGET_CALLS): Add it.
4706 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4707 * targhooks.c (default_internal_arg_pointer): New.
4708 * targhooks.h (default_internal_arg_pointer): Declare.
4709 * tree.h (dwarf2out_reg_save_reg): Declare.
4710 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4711 * config/i386/i386.c (dbx_register_map): Add return column.
4712 (dbx64_register_map, svr4_dbx_register_map): Likewise.
4713 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4714 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4715 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4716 (ix86_save_reg): Save force_align_arg_pointer.
4717 (ix86_emit_save_regs): Make regno unsigned.
4718 (ix86_emit_save_regs_using_mov): Likewise.
4719 (ix86_expand_prologue): Handle force_align_arg_pointer.
4720 (ix86_expand_epilogue): Likewise.
4721 * config/i386/i386.h: (dbx_register_map): Update.
4722 (dbx64_register_map, svr4_dbx_register_map): Update.
4723 (struct machine_function): Add force_align_arg_pointer.
4724 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4725 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4726 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4728 2005-11-02 Jan Hubicka <jh@suse.cz>
4731 * i386.md: Add peep2 for simplyfing array accesses.
4733 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4736 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4737 * config/s390/s390.c (s390_decompose_shift_count): New function.
4738 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4739 (print_shift_count_operand): Use s390_decompose_shift_count.
4740 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4741 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
4743 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4746 * loop.c (loop_givs_rescan): Use force_operand to expand
4749 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
4752 * fold-const.c (build_range_check): Use unsigned when signed
4753 overflow is undefined also. If etype is subtype, make sure that
4754 the subtraction is in the supertype.
4756 2005-11-02 Richard Henderson <rth@redhat.com>
4759 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4762 2005-11-01 Richard Henderson <rth@redhat.com>
4765 * loop.c (scan_loop): Do not propagate computations to a hard
4766 register destination with SMALL_REGISTER_CLASSES.
4768 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
4770 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4771 costs for MULT inside PLUS or MINUS.
4773 2005-11-01 Bob Wilson <bob.wilson@acm.org>
4775 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4776 (TRAMPOLINE_SIZE): Round up to 60.
4777 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4779 2005-10-31 James E. Wilson <wilson@specifix.com>
4782 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4783 ifdef. Put ifdefs around call in gen_subprogram_die.
4784 (compute_frame_pointer_to_cfa_displacement): Likewise.
4785 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4788 PR rtl-optimization/17356
4789 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
4790 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4792 2005-10-31 Jan Hubicka <jh@suse.cz>
4795 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4798 * i386.c (legitimize_pic_address): Deal with large immediates.
4801 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4802 from symbol names while computing checkup.
4805 * predict.c (predict_loops): Do not estimate more than
4806 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4807 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4809 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
4811 PR tree-optimization/19097
4812 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4814 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
4816 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4818 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
4821 * tree-inline.c (setup_one_parameter): If the init_stmt
4822 is NULL, don't insert the statement.
4824 2005-10-30 Jan Hubicka <jh@suse.cz>
4826 PR tree-optimization/24172
4827 * tree-inline.c (copy_body_r): Unshare the substituted value first.
4829 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
4831 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4832 constants for hosts with long != 32 bits.
4834 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
4837 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4839 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
4841 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4842 (TARGET_MS1_16_002): New.
4843 (TARGET_MS1_16_003): New.
4845 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4846 ("*decrement_and_branch_until_zero_no_clobber"): New.
4847 Add corresponding splitter for decrement_and_branch_until_zero
4849 Key all decrement_and_branch_until_zero patterns off of
4852 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
4855 * tree-complex.c (extract_component): Treat RESULT_DECL
4856 like the rest of the decls.
4858 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
4860 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4861 indirect call to _mcount if the function needs a static chain.
4863 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
4864 Caroline Tice <ctice@apple.com>
4866 PR rtl-optimization/24460
4867 * dwarf2out.c (have_switched_text_sections): New boolean variable.
4868 (dwarf2out_switch_text_section): Set it to true instead of
4869 incrementing separate_line_info_table_in_use.
4870 (output_loc_list): Additionally test have_switched_text_sections.
4871 (output_ranges): Likewise.
4872 (dwarf2out_finish): Likewise.
4873 * varasm.c (assemble_start_function): Do not call
4874 insert_section_boundary_note.
4875 (assemble_end_function): If flag_reorder_blocks_and_partition,
4876 switch to the function's section before emitting the .size directive.
4877 * bb-reorder.c (insert_section_boundary_note): Staticify.
4878 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4879 * output.h (insert_section_boundary_note): Delete.
4881 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
4884 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4885 instead of pointer equality when comparing types.
4887 2005-10-24 James E. Wilson <wilson@specifix.com>
4889 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4890 add_dependence_list_and_free calls.
4892 2005-10-24 Steven Bosscher <stevenb@suse.de>
4894 * contrib.texi: Add the names of the LLNL folks who donated
4895 Cray pointer support for gfortran.
4897 2005-10-24 Steven Bosscher <stevenb@suse.de>
4899 PR tree-optimization/24225
4900 * profile.c (branch_prob): Look from end to start through a
4901 basic block when looking for a locus.
4903 2005-10-24 Richard Henderson <rth@redhat.com>
4905 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4907 (hppa_expand_prologue): Likewise.
4909 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4911 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4912 (NO_DEFERRED_PROFILE_COUNTERS): Define.
4913 * pa.h (NO_PROFILE_COUNTERS): Define.
4914 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4915 (funcdef_nos): New vector to hold label numbers of deferred profile
4917 (output_deferred_profile_counters): New function.
4918 (hppa_profile_hook): Push label number onto funcdef_nos.
4919 (pa_hpux_file_end): Call output_deferred_profile_counters if
4920 NO_DEFERRED_PROFILE_COUNTERS is false.
4922 * pa-protos.h (get_deferred_plabel): New prototype.
4923 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
4925 (output_call): Adjust calls.
4927 2005-10-24 Alan Modra <amodra@bigpond.net.au>
4929 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4930 peculiarity of GOT/TOC section usage.
4932 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
4935 * c-common.c (constant_string_class_name): Add documentation.
4937 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
4940 * recog.c (peephole2_optimize): Increment peep2_current_count
4941 only when the slot is empty.
4943 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4946 * except.c (output_function_exception_table): Call
4947 assemble_external_libcall if we need a personality function.
4949 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4951 PR rtl-optimization/24460
4952 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4953 set the basic block for barriers.
4955 2005-10-21 Janis Johnson <janis187@us.ibm.com>
4957 * var-tracking.c (vt_initialize): Initialize post.
4959 2005-10-21 Devang Patel <dpatel@apple.com>
4962 * c-common.c (vector_types_convertible_p): Check vector element type.
4964 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
4966 * config/sh/sh.c (prepare_move_operands): Handle the address
4967 constant which is a tls symbolic address plus a constant.
4969 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
4972 * gcc.c (main): Use the correct counter for erroring out
4973 about mulitple files.
4975 2005-10-21 Alan Modra <amodra@bigpond.net.au>
4978 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4979 use r2 for 64-bit tls .got access.
4981 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
4983 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4986 2005-10-20 Steven Bosscher <stevenb@suse.de>
4988 PR tree-optimization/24307
4989 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4991 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
4994 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4996 * varasm.c (find_decl_and_mark_needed): After cgraph global info
4997 is ready, stop marking functions, but still mark variables.
4999 2005-10-20 Richard Guenther <rguenther@suse.de>
5002 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
5005 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
5007 PR rtl-optimization/23585
5008 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
5009 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
5010 (may_trap_p_1): New predicate extracted from...
5011 (may_trap_p): ... here. Invoke may_trap_p_1.
5012 (may_trap_or_fault_p): New predicate.
5013 * rtl.h (may_trap_or_fault_p): Declare it.
5014 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
5015 instead of may_trap_p.
5016 (steal_delay_list_from_fallthrough): Likewise.
5017 (fill_simple_delay_slots): Likewise.
5018 (fill_slots_from_thread): Likewise.
5019 * function.c (pad_to_arg_alignment): Rework comment about
5020 SPARC_STACK_BOUNDARY_HACK.
5021 * config/sparc/sparc.h: Likewise.
5023 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
5025 * config/s390/s390.c (s390_expand_insv): New.
5026 * config/s390/s390-protos.h (s390_expand_insv): Declare.
5027 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
5028 ("icm_hi"): Remove mode attribute.
5029 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
5031 ("*extracthi", "*extractqi"): Remove.
5032 (extv<mode>", "*extzv<mode>"): New.
5033 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
5034 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
5036 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5038 * cfgexpand.c (discover_nonconstant_array_refs_r,
5039 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
5040 (tree_expand_cfg): Call discover_nonconstant_array_refs.
5041 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
5042 discover_nonconstant_array_refs.
5044 2005-10-19 Steven Bosscher <stevenb@suse.de>
5047 * c-decl.c (pop_scope): Don't warn about an unused variable
5048 if it is marked with TREE_NO_WARNING.
5049 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
5050 somenow mismatch and olddecl is to be replaced.
5052 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
5055 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
5056 whether registers live on the edge can be saved/restored.
5058 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
5060 * config/sh/sh.c (fixup_mova): Skip notes.
5062 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5064 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
5065 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
5066 (s390_can_eliminate): Handle BASE_REGNUM elimination.
5067 (s390_initial_elimination_offset): Likewise.
5068 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
5069 register on TARGET_ZARCH targets.
5070 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
5071 (INITIAL_FRAME_POINTER_OFFSET): Remove.
5072 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
5073 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
5075 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
5077 * config/s390/s390.md: Comment describing output modifiers updated.
5078 * config/s390/s390.c (print_operand): Likewise.
5080 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
5082 * config/s390/s390.c (override_options): Added check for -mstack-size
5084 * doc/invoke.texi: Mention that limit in the documenation.
5086 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
5089 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
5091 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
5093 Fix PR tree-optimization/24231
5095 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
5096 (compute_avail): Ditto.
5098 2005-10-18 Richard Henderson <rth@redhat.com>
5101 * config/i386/i386.c (legitimate_constant_p): Check
5102 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
5104 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
5105 (legitimate_pic_address_disp_p): Reorg CONST checking to make
5106 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
5108 (print_operand_address): Likewise.
5109 * config/i386/predicates.md (x86_64_immediate_operand): Test
5110 SYMBOL_REF_TLS_MODEL properly inside CONST.
5111 (x86_64_zext_immediate_operand): Likewise.
5112 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
5113 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
5114 * config/i386/i386-protos.h: Remove predicates.md entries.
5116 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
5118 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
5119 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
5121 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
5122 Ian Lance Taylor <ian@airs.com>
5125 * fold-const.c (fold_widened_comparison): Do not allow range based
5126 constant folding when right operand cannot be unwidened.
5128 2005-10-17 Richard Henderson <rth@redhat.com>
5130 * builtins.c (expand_builtin_synchronize): Build a new-style asm
5131 with a memory clobber.
5133 2005-10-17 James E Wilson <wilson@specifix.com>
5135 PR rtl-optimization/17356
5136 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
5137 checking for EDGE_EH.
5139 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
5141 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
5142 the slot on an even boundary for any type with 16-byte alignment.
5144 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
5147 * md.texi (Modifiers) <%>: Clarify that % doesn't work
5148 after register allocation.
5150 2005-10-17 DJ Delorie <dj@redhat.com>
5152 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
5155 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
5158 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
5161 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
5163 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
5164 to 2 if it's already non-zero.
5165 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
5166 is set and warn about it if flag_schedule_insns is 1.
5168 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
5170 * config/crx/crx.md: Compare-and-branch instructions need to
5173 2005-10-17 Uros Bizjak <uros@kss-loka.si>
5176 * config/i386/i386.md (*pushdi2_rex64 splitter)
5177 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
5178 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
5179 flow2 pass only when (optimize > 0 && flag_peephole2).
5181 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
5184 * gcc.c (have_c): New static variable.
5186 (process_command): Remove declation of have_c.
5187 Set have_o to 1 when handling -o.
5188 (main): Add a fatel error if there are multiple
5189 files specified and -o and -c/-S is passed witout
5190 -combine or multiple languages.
5192 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
5194 Fix PR tree-optimization/22444
5195 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
5196 Assert that we don't hit something with subvars.
5197 (setup_pointers_and_addressables): Don't add things with subvars,
5198 because we'll already process the subvars for aliasing purposes.
5200 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
5203 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
5204 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
5205 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
5206 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
5207 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
5208 swapped, alternatives for the R constraint.
5211 * builtins.c (get_builtin_sync_mode): Make unlimited
5212 mode_for_size request.
5214 2005-10-15 Richard Henderson <rth@redhat.com>
5216 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
5217 (gimplify_expr): ... here.
5218 (gimplify_compound_lval): Use it in initial scan loop. Allow
5219 fb_lvalue in base expression.
5221 2005-10-15 Richard Henderson <rth@redhat.com>
5224 * builtins.c (expand_builtin_trap): Export.
5225 * expr.h (expand_builtin_trap): Declare.
5226 * expr.c (expand_assignment): Emit a trap for integral offsets
5227 from registers that weren't reduced to bitpos.
5229 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
5230 (mark_array_ref_addressable): Remove.
5231 * tree-flow.h (mark_array_ref_addressable): Remove.
5232 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
5234 2005-10-15 James E Wilson <wilson@specifix.com>
5237 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
5238 (add_dependence_list_and_free): Likewise.
5239 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
5242 2005-10-15 Diego Novillo <dnovillo@redhat.com>
5246 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
5247 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
5249 (vrp_visit_phi_node): Only prevent infinite iterations when
5250 the previous result and the new result are both VR_RANGEs.
5252 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
5254 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
5257 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5260 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
5263 2005-10-14 Per Bothner <per@bothner.com>
5265 PR preprocessor/21250
5266 * c-ppoutput.c (print_line): Print internal line 0 as 1.
5268 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
5271 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
5272 overflow flags. Refactor some conditionals.
5274 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
5277 * tree-dfa.c (add_referenced_var): Only look at decls which
5278 have TREE_CONSTANT or TREE_READONLY set instead of if
5279 !TREE_PUBLIC or !TREE_CONSTANT.
5281 2005-10-13 James E Wilson <wilson@specifix.com>
5283 * doc/invoke.texi: For -x, add f95-cpp-input.
5284 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
5286 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
5288 PR tree-optimization/24262
5289 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
5290 in loop all the time.
5292 2005-10-12 Richard Henderson <rth@redhat.com>
5295 * tree.h (DECL_TRANSPARENT_UNION): Remove.
5296 * function.c (assign_parm_find_data_types): Don't support it.
5297 * print-tree.c (print_node): Likewise.
5298 * c-common.c (handle_transparent_union_attribute): Likewise.
5299 Use build_duplicate_type.
5300 * tree-inline.c (remap_type_1): Split out of remap_type;
5301 properly remap aggregate fields.
5302 (build_duplicate_type): New.
5303 * doc/extend.texi (Variable Attributes): Remove documentation
5304 for transparent_union.
5306 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5309 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
5310 (gen_stack_pointer_dec): Likewise.
5312 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
5316 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
5318 (struct cxx): Add adjust_class_at_definition target hook.
5319 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
5320 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
5321 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
5322 hook_void_tree. Add to TARGET_CXX.
5323 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
5325 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
5326 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
5327 instead of attribute. Check for dllexport override. Warn if
5328 inconsistent dll linkage. Don't lose old dllimport if decl has
5329 had address referenced. Tweak lookup of dllimport atribute.
5330 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
5331 for target specific rules. Don't add dllimport attribute if
5332 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
5333 dllimport attribute.
5334 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
5335 * varasm.c (initializer_constant_valid_p): Replace
5336 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
5340 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
5341 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
5342 (i[34567]86-*-mingw32*): Likewise.
5344 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
5345 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
5347 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
5348 C++-specific code. Change return value to bool.
5349 (i386_pe_dllimport_p): Likewise.
5350 (associated_type): Simplify and make language-independent
5351 (i386_pe_encode_section_info): Replace override of ambiguous
5352 dllimport symbol refs with a gcc_assert.
5353 (i386_pe_valid_dllimport_attribute_p): Define.
5354 * config/i386/winnt-cxx.c: New file. Define C++ versions of
5355 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5356 i386_pe_adjust_class_at_definition.
5357 * config/i386/winnt-stubs.c: New file. Define stub versions of
5358 lang-specific functions.
5359 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
5360 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5361 i386_pe_adjust_class_at_definition.
5362 (i386_pe_valid_dllimport_attribute_p): Declare.
5363 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
5364 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
5365 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
5368 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
5369 dllimport attribute with test of DECL_DLLIMPORT_P.
5371 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
5373 * combine.c (make_extraction): Correct offset computation.
5375 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
5377 * config/cris/t-linux (LIMITS_H_TEST): Define.
5379 2005-10-12 Richard Henderson <rth@redhat.com>
5382 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
5384 2005-10-12 Richard Guenther <rguenther@suse.de>
5386 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
5388 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
5391 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
5392 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
5395 2005-10-12 Richard Guenther <rguenther@suse.de>
5398 * varasm.c (output_constant): Correct typo from previous
5401 2005-10-11 Ian Lance Taylor <ian@airs.com>
5403 PR rtl-optimization/13931
5404 * combine.c: Revert patch of 2003-05-14, and:
5405 (try_combine): Only set elim_i1 and elim_i2 if the destination is
5406 completely killed in the appropriate insn.
5407 (distribute_notes): Don't skip multiple hard register test for
5408 elim_i1 and elim_i2.
5410 2005-10-11 Richard Henderson <rth@redhat.com>
5413 * c-typeck.c (convert_for_assignment): Use build_constructor_single
5414 to initialize a transparent union instead of a nop_expr.
5416 2005-10-11 Richard Henderson <rth@redhat.com>
5418 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
5419 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
5420 (tree_ssa_dce_loop): Call scev_reset.
5423 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
5424 * tree-ssa-dce.c: Include cfgloop.h.
5425 (tree_ssa_dce_loop, pass_dce_loop): New.
5426 * tree-pass.h (pass_dce_loop): Declare it.
5427 * passes.c (init_optimization_passes): Use it.
5429 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5432 * convert.c (convert_to_real): Revert 2005-10-05 patch.
5433 Only apply the optimization for rounding builtins if the inner
5434 cast is also an extension.
5436 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
5439 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
5440 mark_new_vars_to_rename instead of update_stmt.
5442 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
5444 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
5446 2005-10-11 Jakub Jelinek <jakub@redhat.com>
5448 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
5449 for setting MMX register to 0 rather than mmx.
5451 2005-10-10 Steve Ellcey <sje@cup.hp.com>
5454 * configure.ac: Move gas check from mips specific case to common case.
5455 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
5456 * configure: Regenerate
5457 * doc/install.texi: Update.
5459 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5462 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
5464 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
5466 * gcc.c (do_spec_1): Accept numeric characters in file name
5469 2005-10-10 Nick Clifton <nickc@redhat.com>
5471 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
5472 describing the deleted arm_gen_rotated_half_load function.
5474 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
5476 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
5479 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
5481 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
5483 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
5484 (EXTRA_MULTILIB_PARTS): Define.
5485 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5486 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5487 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
5488 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5489 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5490 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
5492 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
5494 PR tree-optimization/24226
5495 * tree-cfg.c (remove_bb): Clean up unreachable loops.
5496 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
5497 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
5500 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5502 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
5504 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
5507 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
5508 Rewrite for no need for the early clobber.
5510 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
5512 Merge from csl-arm-branch:
5513 2005-09-07 Paul Brook <paul@codesourcery.com>
5514 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
5517 2005-04-30 Paul Brook <paul@codesourcery.com>
5518 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
5519 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
5521 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
5522 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
5523 (arm_override_options): Use TARGET_AAPCS_BASED.
5524 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
5525 (PTRDIFF_TYPE): Use int for AAPCS.
5526 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
5527 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
5528 (DEFAULT_SHORT_ENUMS): Delete.
5529 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
5531 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
5532 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
5533 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
5534 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
5536 2004-12-03 Mark Mitchell <mark@codesourcery.com>
5537 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
5539 2004-11-22 Mark Mitchell <mark@codesourcery.com>
5540 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
5542 2004-11-19 Mark Mitchell <mark@codesourcery.com>
5543 * config.gcc (arm*-*-linux-gnueabi): Add it.
5544 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
5546 (TARGET_OS_CPP_BUILTINS): Likeiwse.
5547 * config/arm/linux-eabi.h: New file.
5548 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
5549 (LINUX_TARET_LINK_SPEC): Likewise.
5550 (LINK_SPEC): Use it.
5551 * config/arm/t-linux-eabi: New file.
5553 2005-10-08 Steven Bosscher <stevenb@suse.de>
5556 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
5558 (PARAM_SMS_DFA_HISTORY): Likewise.
5560 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
5563 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5564 (load_register_parameters): Call it.
5565 (check_sibcall_argument_overlap_1): Likewise.
5566 (store_one_arg): Likewise.
5568 2005-10-07 James E. Wilson <wilson@specifix.com>
5570 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5571 DImode not VECINT24 for operand 2.
5574 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5578 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5579 fr_spill): Use destination_operand for operand 0.
5581 2005-10-07 DJ Delorie <dj@redhat.com>
5583 * varasm.c (output_constant): Limit error to expanding
5586 2005-10-07 Richard Guenther <rguenther@suse.de>
5589 * fold-const.c (fold_binary): Fix operand types during folding
5590 of X op (A, Y). Evaluation order of the side-effects of
5591 X and A are frontend-defined, so ensure we honour that even for
5592 tcc_comparison class operands; eased by removing duplicate code.
5594 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5596 * stor-layout.c (layout_type): Do not allow alignment of array
5597 elements to be greater than their size.
5599 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5601 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5603 (hppa*-*-linux*): Ditto.
5604 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5605 * config/host-hpux.c: New.
5606 * config/x-hpux: New.
5607 * config/pa/x-hpux: Remove.
5608 * config/pa/x-linux: Remove.
5609 * config/pa/pa-host.c: Remove.
5611 2005-10-07 Jeff Law <law@redhat.com>
5613 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5614 determine whether or not to try and thread outgoing edges.
5616 2005-10-07 David Edelsohn <edelsohn@gnu.org>
5618 * config/rs6000/rs6000.md (eqsi_power): New.
5619 (neg_eq0si): Add TARGET_POWER to final condition.
5622 2005-10-06 Richard Henderson <rth@redhat.com>
5624 * config/rs6000/rs6000.c: Revert last change.
5626 2005-10-06 Richard Henderson <rth@redhat.com>
5628 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5629 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5631 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
5635 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5636 out return_label and naked_return_label.
5638 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5640 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5643 2005-10-06 Richard Henderson <rth@redhat.com>
5646 * tree-inline.c (declare_return_variable): Handle modify_dest not
5649 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5651 Fix PR tree-optimization/22488
5652 * tree-ssa-structalias.c (check_for_overlaps): New function.
5653 (create_variable_info_for): Use it.
5655 2005-10-06 Richard Henderson <rth@redhat.com>
5658 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5659 (dwarf2out_start_source_file): Print it.
5661 2005-10-06 Geoffrey Keating <geoffk@apple.com>
5663 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5665 2005-10-06 Richard Henderson <rth@redhat.com>
5668 * mode-switching.c (optimize_mode_switching): Clear transp bit
5669 for block with incomming abnormal edges.
5671 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5672 (fpscr_set_from_mem): Use them.
5673 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5674 (fpscr postinc splitters): Rewrite as peephole2+split.
5676 2005-10-06 David Edelsohn <edelsohn@gnu.org>
5678 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5679 (eq<mode>_compare): Same.
5681 2005-10-06 Richard Guenther <rguenther@suse.de>
5683 PR tree-optimization/24238
5684 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5686 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
5688 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5689 here. Use AC_PATH_PROG for environment variables instead of
5691 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
5693 * configure: Regenerated.
5695 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
5698 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5699 then force it into a register.
5700 (call_value): Likewise.
5702 2005-10-06 Richard Henderson <rth@redhat.com>
5705 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5706 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
5707 under pass_vectorize.
5709 2005-10-05 Devang Patel <dpatel@apple.com>
5712 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5713 handling constants. Check NAMESPACE_DECL context for constants.
5715 2005-10-05 Eric Christopher <echristo@apple.com>
5717 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5719 2005-10-05 Richard Henderson <rth@redhat.com>
5722 * tree-cfg.c (mark_array_ref_addressable_1): New.
5723 (mark_array_ref_addressable): New.
5724 * tree-flow.h (mark_array_ref_addressable): Declare.
5725 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5727 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
5731 * reload.c (subst_reloads): When adding a REG_LABEL to a
5732 jump instruction, also update JUMP_LABEL.
5734 2005-10-05 David Edelsohn <edelsohn@gnu.org>
5736 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5737 * bb-reorder.c (copy_bb_p): Use it.
5738 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5740 2005-10-05 Richard Henderson <rth@redhat.com>
5743 * toplev.c (process_options): Warn about unsupported combinations
5744 of unwind tables and omit-frame-pointer.
5745 * config/i386/i386.c (override_options): Similarly. Enable
5746 accumulate-outgoing-args if not explicitly disabled.
5748 2005-10-05 Steve Ellcey <sje@cup.hp.com>
5750 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5751 Handle big endian vs. small endian.
5752 (vec_initv2sf): Handle big endian vs. small endian.
5753 (*vec_extractv2sf_1): Ditto.
5755 2005-10-05 Dale Johannesen <dalej@apple.com>
5757 * convert.c (convert_to_real): Don't convert
5758 (float)floor(double d) to floorf((float)d).
5760 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
5762 * config/arm/arm.md (insv): Use gen_int_mode in more places.
5764 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
5766 PR tree-optimization/18587
5767 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5768 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5769 build_vuses): Change to VEC type.
5770 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5771 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5772 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5773 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5774 (get_name_decl): New. Return DECL_UID of base variable.
5775 (operand_build_cmp): New. qsort comparison routine.
5776 (operand_build_sort_virtual): New. Sort virtual build vector.
5777 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5778 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5779 (FINALIZE_BASE): Use get_name_decl.
5780 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5781 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5782 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5783 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5784 direct VEC_* manipulations.
5785 (build_ssa_operands): Call operand_build_sort_virtual.
5786 (copy_virtual_operand, create_ssa_artficial_load_stmt,
5787 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5788 with direct VEC_* manipulations.
5789 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5790 with direct VEC manipulations.
5792 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
5794 PR tree-optimization/21419
5795 PR tree-optimization/24146
5796 PR tree-optimization/24151
5798 * c-typeck.c (readonly_error): Handle USE being lv_asm.
5799 (build_asm_expr): Call it if outputs are read-only.
5800 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5802 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
5803 Paolo Bonzini <bonzini@gnu.org>
5807 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5808 enable the instructions and not just the built-ins.
5809 * doc/invoke.texi (x86 Options): Likewise.
5811 2005-10-04 Geoffrey Keating <geoffk@apple.com>
5813 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5815 * doc/invoke.texi (Option Summary): Correct spelling
5816 of -mmacosx-version-min.
5818 2005-10-04 Devang Patel <dpatel@apple.com>
5820 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5823 2005-10-04 Steve Ellcey <sje@cup.hp.com>
5825 * tree-vect-transform.c (vect_create_epilog_for_reduction):
5826 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5828 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
5830 * config/s390/s390.md ("TDSI","DP"): New mode macros.
5831 ("TE","tg"): New mode attributes.
5832 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5833 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5834 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5835 dword_mode and one for GPRmode.
5837 2005-10-04 Ian Lance Taylor <ian@airs.com>
5839 PR preprocessor/13726
5840 * c-ppoutput.c (cb_include): Add comments parameter, and print out
5841 any comments passed in.
5843 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5845 * tree.c (annotate_with_file_line): Fix typo.
5847 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5850 * builtins.c (fold_builtin_memcmp): When constructing the pointer
5851 type used to access data in the inlined length == 1 case, use
5852 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5853 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5855 2005-10-04 Uros Bizjak <uros@kss-loka.si>
5857 * config/i386/i386.h (TARGET_FISTTP): Enable also for
5858 TARGET_SSE3 and only for TARGET_80387.
5859 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5860 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5861 Do not depend on TARGET_80387.
5863 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5865 * tree.c (last_annotated_node): Change type to location_t*.
5866 (annotate_with_file_line): Reflect the change of
5867 last_annotated_node type.
5869 2005-10-04 Richard Guenther <rguenther@suse.de>
5872 * c-decl.c (grokdeclarator): Don't write to fields
5875 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5878 * c-decl.c (finish_decl): Use set_user_assembler_name even for
5880 * varasm.c (make_decl_rtl): If a register variable does not
5881 have a set user assmbler name, error out.
5882 Decode the asmspec is now name+1 bypassing '*'.
5884 2005-10-04 Steven Bosscher <stevenb@suse.de>
5886 PR tree-optimization/23049
5887 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5888 of a COND_EXPR is folded before calling fold on the whole rhs of a
5889 conditional assignment.
5890 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5891 document that a COND_EXPR may appear there.
5893 2005-10-03 Diego Novillo <dnovillo@redhat.com>
5896 * tree-vrp.c (extract_range_from_assert): If the new numeric
5897 range created out of the assertion contradicts the existing
5898 numeric range of the ASSERT_EXPR variable, make the new range
5901 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
5903 * config/sh/sh.c (sh_register_move_cost): Add case for moving
5904 from T_REGS to FP register class.
5906 2005-10-03 Richard Henderson <rth@redhat.com>
5909 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5910 before creating a new one.
5912 2005-10-03 David Edelsohn <edelsohn@gnu.org>
5914 * config/rs6000/t-aix43 (LDFLAGS): New.
5915 * config/rs6000/t-aix52 (LDFLAGS): New.
5917 2005-10-03 Ian Lance Taylor <ian@airs.com>
5919 * gimplify.c (find_single_pointer_decl_1): New static function.
5920 (find_single_pointer_decl): New static function.
5921 (internal_get_tmp_var): For a formal variable, set restrict base
5922 information if appropriate.
5923 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5925 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5926 (DECL_GET_RESTRICT_BASE): Define.
5927 (SET_DECL_RESTRICT_BASE): Define.
5928 (decl_restrict_base_lookup): Declare.
5929 (decl_restrict_base_insert): Declare.
5930 (struct tree_decl_with_vis): Add based_on_restrict_p field.
5931 * tree.c (restrict_base_for_decl): New static variable.
5932 (init_ttree): Initialize restrict_base_for_decl.
5933 (copy_node_stat): Copy restrict base information.
5934 (decl_restrict_base_lookup): New function.
5935 (decl_restrict_base_insert): New function.
5936 (print_restrict_base_statistics): New static function.
5937 (dump_tree_statistics): Call print_restrict_base_statistics.
5939 2005-10-02 Diego Novillo <dnovillo@redhat.com>
5942 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5943 case of anti-ranges.
5945 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
5948 * c-typeck.c (tagged_tu_seen): Rename to ...
5949 (tagged_tu_seen_cache): this and add val field.
5950 (comptypes): Move functional to comptypes_internal
5951 and free tagged_tu_seen.
5952 (comptypes_internal): New function and call comptypes_internal
5953 instead of comptypes. Speed up by sibcalling
5954 tagged_types_tu_compatible_p.
5955 (alloc_tagged_tu_seen): New function
5956 (free_all_tagged_tu_seen_up_to): New function.
5957 (tagged_types_tu_compatible_p): Return the val of the seen two
5959 Add that the two types are the same to tagged_tu_seen_base
5960 if they are and call comptypes_internal instead of comptypes.
5961 <case UNION_TYPE>: Speed up common type where the fields are
5963 (function_types_compatible_p): Call comptypes_internal instead of
5965 (type_lists_compatible_p): Likewise.
5966 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5968 2005-10-02 Matthias Klose <doko@debian.org>
5970 * doc/invoke.texi: Fix typo and speling error.
5972 2005-10-01 Richard Henderson <rth@redhat.com>
5974 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5976 2005-10-01 Mark Mitchell <mark@codesourcery.com>
5978 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5979 using --start-group and --end-group.
5981 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5983 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5984 FIXME note regarding quirky semantics.
5986 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5989 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5990 non-null range as a last resort.
5992 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
5993 Diego Novillo <dnovillo@redhat.com>
5996 * tree-vrp.c (extract_range_from_assert): For !=
5997 assertions, only build an anti-range if LIMIT is a
5998 single-valued range.
6000 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
6002 * arm.md (movqi): On thumb when optimizing, handle loading from
6003 memory by describing this as taking a subreg of a zero-extended load
6004 into an SImode register.
6007 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
6009 * reload1.c (merge_assigned_reloads): Do not change any
6010 RELOAD_FOR_OUTPUT_ADDRESS reloads.
6012 2005-09-30 Geoffrey Keating <geoffk@apple.com>
6014 * Makefile.in (LIPO_FOR_TARGET): Define.
6015 (STRIP_FOR_TARGET): Define.
6017 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
6018 before creating new ones. Do symlinks before creating the actual
6021 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
6022 to work out which multilibs are actually being built.
6024 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
6026 * tree-vect-transform.c, config/ms1/ms1.md,
6027 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
6028 Follow spelling conventions.
6029 * doc/invoke.texi, doc/md.texi: Fix typos.
6031 2005-09-30 Andrew Macleod <amacleod@redat.com>
6033 PR tree-optimization/21430
6034 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
6035 use operands, and set stmt pointer if need be.
6036 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
6037 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
6040 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6043 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
6045 2005-09-29 Mark Mitchell <mark@codesourcery.com>
6047 * optabs.c (expand_binop): Initialize first_pass_p.
6049 2005-09-29 Jakub Jelinek <jakub@redhat.com>
6052 * c-decl.c (c_write_global_declarations_1): If any
6053 wrapup_global_declaration_2 call returned true, restart the loop.
6055 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
6057 Fix PR tree-optimization/24117
6058 * tree-ssa-structalias.c (find_func_aliases): Strip nops
6059 before considering whether to use anyoffset.
6061 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
6065 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
6067 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6069 (swap_commutative_operands_with_target): New.
6071 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
6074 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
6077 2005-09-29 Steven Bosscher <stevenb@suse.de>
6079 PR tree-optimization/23911
6080 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
6081 and IMAGPART_EXPR too.
6083 2005-09-28 Mark Mitchell <mark@codesourcery.com>
6086 * expmed.c (expand_shift): Move logic to reverse rotation
6087 direction when rotating by constants ...
6088 * optabs.c (expand_binop): ... here.
6089 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
6090 (ix86_rotrdi3): New pattern.
6091 (rotldi3): Handle 32-bit mode.
6092 (ix86_rotldi3): New pattern.
6094 2005-09-29 Alan Modra <amodra@bigpond.net.au>
6097 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
6098 check for numbers that need no bit twiddle.
6100 2005-09-28 Geoffrey Keating <geoffk@apple.com>
6102 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
6103 multilib to be built.
6105 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
6106 (stage1-start): Delete old libgcc and libunwind before moving
6107 anything into the stage directory.
6108 (stage2-start): Likewise.
6109 (stage3-start): Likewise.
6110 (stage4-start): Likewise.
6111 (stageprofile-start): Likewise.
6112 (stagefeedback-start): Likewise.
6113 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
6114 header in tm_file and CPU-specific t-darwin in tmake_file.
6115 (i[34567]86-*-darwin*): Don't change tm_file.
6116 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
6117 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
6118 shared library stub for target OS version.
6119 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
6120 (SHLIB_LINK): Don't make SHLIB_SOLINK.
6121 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
6122 (libgcc_s.%.dylib): New.
6124 (install-darwin-libgcc-stubs): New.
6125 (INSTALL_LIBGCC): New append.
6126 * config/i386/darwin-libgcc.10.4.ver: New.
6127 * config/i386/darwin-libgcc.10.5.ver: New.
6128 * config/i386/t-darwin: New.
6129 * config/rs6000/darwin-libgcc.10.4.ver: New.
6130 * config/rs6000/darwin-libgcc.10.5.ver: New.
6131 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
6132 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
6134 2005-09-28 Paul Brook <paul@codesourcery.com>
6136 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
6139 2005-09-28 Richard Guenther <rguenther@suse.de>
6141 PR tree-optimization/23853
6142 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
6143 host_integerp to verify misalignment value.
6145 2005-09-28 Richard Henderson <rth@redhat.com>
6147 * builtins.c (get_builtin_sync_mode): New.
6148 (expand_builtin_sync_operation): Pass in mode argument.
6149 (expand_builtin_compare_and_swap): Likewise.
6150 (expand_builtin_lock_test_and_set): Likewise.
6151 (expand_builtin_lock_release): Likewise.
6152 (expand_builtin): Update to match.
6154 2005-09-28 Nick Clifton <nickc@redhat.com>
6156 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
6157 formatting. Add check to PLUS case to ensure that the offset is
6158 within an acceptable range.
6160 * config/v850/v850.md (casesi): Disable the generation of the
6161 switch pattern as it is not being handled properly at the moment.
6163 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
6164 for when the high words are identical.
6166 2005-09-27 Richard Henderson <rth@redhat.com>
6168 * pretty-print.c (pp_base_format): Fix typo for %>.
6170 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
6171 Devang Patel <dpatel@apple.com>
6173 PR tree-optimization/23625
6174 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
6175 LABEL_EXPR, assertion check.
6177 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
6179 * optabs.c (no_conflict_move_test): Check if a result of a
6180 to-be-moved insn would be clobbered by an originally
6183 2005-09-27 Jeff Law <law@redhat.com>
6185 * passes.c (init_optimization_passes): Replace copy propagation
6186 passes immediately after DOM with phi-only copy propagation
6187 pases. Add phi-only copy propagation pass after first DOM pass.
6188 * tree-pass.h (pass_phi_only_copy_prop): Declare.
6189 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
6190 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
6191 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
6192 to init_copy_prop. Callers updated.
6193 (do_phi_only_copy_prop): New function.
6194 (pass_phi_only_copy_prop): New pass descriptor.
6196 2005-09-27 Nick Clifton <nickc@redhat.com>
6198 * libgcc2.c (__popcount_tab): Remove redundant prototype.
6200 2005-09-26 Jason Merrill <jason@redhat.com>
6203 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
6205 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
6207 2005-09-26 James E Wilson <wilson@specifix.com>
6209 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
6210 copyright. Add gcc copyright plus libgcc exception.
6211 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
6213 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
6215 2005-09-26 Jeff Law <law@redhat.com>
6217 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
6218 about when to iterate.
6220 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
6223 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
6224 for __complex__ double in -mcpu=G5 mode.
6226 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
6228 PR tree-optimization/23942
6229 * Makefile.in (SCEV_H): Depends on PARAMS_H.
6230 * tree-scalar-evolution.c: Include params.h.
6232 (follow_ssa_edge, follow_ssa_edge_in_rhs,
6233 follow_ssa_edge_in_condition_phi_branch,
6234 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
6235 Change return type to t_bool. Use a parameter to limit the size of
6236 trees that are walked before stopping
6237 (analyze_evolution_in_loop): Initialize the limit to 0.
6238 (follow_ssa_edge): Give up by returning t_dont_know if the limit
6239 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
6241 2005-09-26 Uros Bizjak <uros@kss-loka.si>
6244 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
6245 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
6247 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
6249 * combine.c (make_extraction): Check for valid use of subreg.
6251 2005-09-26 Uros Bizjak <uros@kss-loka.si>
6254 * config/i386/i386.md ("*fistdi2_1"): New pattern.
6255 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
6256 ("fist<mode>2_with_temp"): Use only register operands.
6258 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
6260 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
6261 CALL_INSN_FUNCTION_USAGE.
6263 2005-09-26 Richard Guenther <rguenther@suse.de>
6266 * gcse.c: Include hashtab.h, define ldst entry hashtable.
6267 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
6268 (ldst_entry): Use the hashtable instead of list-walking.
6269 (find_rtx_in_ldst): Likewise.
6270 (free_ldst_entry): Free the hashtable.
6271 (compute_ld_motion_mems): Create the hashtable.
6272 (trim_ld_motion_mems): Remove entry from hashtable if
6273 removing it from list.
6274 (compute_store_table): Likewise^2.
6275 (store_motion): Free hashtable in case we did not see
6278 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
6280 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
6281 and arg1 if we are passing them to fold_build2.
6283 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
6286 * config/i386/i386.c (ix86_function_regparm): Fix the test for
6289 2005-09-25 Richard Henderson <rth@redhat.com>
6291 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
6292 SYMBOL_REF_TLS_MODEL to be correct.
6294 2005-09-24 Richard Henderson <rth@redhat.com>
6296 * ipa-type-escape.c (discover_unique_type): Remove dead code at
6297 end of function. Reindent.
6299 2005-09-24 Ian Lance Taylor <ian@airs.com>
6301 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
6302 NEGATE_EXPR/BIT_NOT_EXPR case.
6304 2005-09-24 Richard Henderson <rth@redhat.com>
6306 * c-common.c (handle_mode_attribute): When not modifying in place,
6307 create subtypes for enumerations.
6308 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
6309 * gimplify.c (create_tmp_from_val): Likewise.
6311 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
6313 * config/i386/i386.md (*tls_global_dynamic_64,
6314 *tls_local_dynamic_base_64): Add missing mode to call.
6315 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
6317 2005-09-24 Jan Hubicka <jh@suse.cz>
6319 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
6320 (cgraph_clone_node): Likewise.
6321 * cgraph.h (cgraph_clone_edge): Update prototype.
6322 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
6323 duplicated prototypes; add updating argument.
6324 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
6325 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
6327 (cgraph_mark_inline_edge): Likewise.
6328 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
6329 (cgraph_flatten_node): Likewise.
6330 (cgraph_decide_recursive_inlining): Likewise.
6331 (cgraph_decide_inlining_of_small_function): Likewise.
6332 * tree-optimize.c (tree_rest_of_compilation): Likewise.
6334 2005-09-23 David Edelsohn <edelsohn@gnu.org>
6335 Pete Steinmetz <steinmtz@us.ibm.com>
6337 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
6338 (rldic.): Set type to "compare".
6340 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
6341 mfjmpr for MFCTR/MFLR.
6342 (movdf_hardfloat64): Same.
6343 (movdf_softfloat64): Same. Correct order of store and move types.
6344 (movti_string): Set type to store_ux/load_ux.
6345 (load_multiple): Set type to load_ux.
6346 (store_multiple): Set type to store_ux.
6347 (movmemsi): Set type to store_ux.
6348 (output_cbranch direct_return): Set type to jmpreg.
6349 (stmw): Set type to store_ux.
6350 (lmw): Set type to load_ux.
6351 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
6352 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
6353 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
6354 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
6355 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
6356 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
6357 (rios1-fpstore): Increase latency to 3.
6358 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
6359 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
6361 2005-09-23 David Edelsohn <edelsohn@gnu.org>
6362 Andrew Pinski <pinskia@physics.uc.edu>
6364 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
6365 operand2 constraint to "b".
6366 (sync_<fetchop_name>di_internal): Same.
6367 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
6369 (sync_old_<fetchop_name>di_internal): Same.
6370 (sync_new_<fetchop_name>si_internal): Same.
6371 (sync_new_<fetchop_name>di_internal): Same.
6373 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
6376 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
6377 case, define as macros.
6379 PR rtl-optimization/23837
6380 * optabs.c (no_conflict_move_test): Don't set must_stay for a
6381 clobber / clobber match between dest and p->first.
6383 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
6384 (no_conflict_move_test): Update comments.
6386 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6388 * doc/install.texi: Update URL for Jacks.
6389 * doc/sourcebuild.texi: Likewise.
6391 2005-09-22 David Edelsohn <edelsohn@gnu.org>
6394 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
6395 registers when choosing register preferences.
6396 (movdf_hardfloat64): Same.
6398 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
6400 * expmed.c (expand_shift): Don't use the target of the rotate as
6401 target for the first expanded shift insn.
6402 * testsuite/gcc.dg/20050922-1.c: Testcase added.
6404 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
6406 PR tree-optimization/22438
6407 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
6408 preserved iv rhs rewriting specially.
6410 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
6412 * tree-data-ref.c (analyze_array_indexes): Only estimate when
6413 estimate_only is true.
6414 * tree-flow.h (ref_contains_indirect_ref): New prototype.
6415 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
6416 tree-ssa-structalias.c
6417 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
6418 ref_contains_indirect_ref.
6419 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
6421 2005-09-21 DJ Delorie <dj@redhat.com>
6423 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
6425 (mn10300_return_in_memory): Support variable size types also.
6426 (mn10300_pass_by_reference): Likewise.
6427 (mn10300_function_value): New.
6428 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
6429 (FUNCTION_OUTGOING_VALUE): Likewise.
6430 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
6431 * doc/invoke.texi: Document it.
6433 2005-09-21 Uros Bizjak <uros@kss-loka.si>
6436 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
6437 force integer op1 into register for XFmode compares.
6439 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6442 * expmed.c (alg_code): Add alg_impossible.
6443 (alg_hash_entry): Add cost.
6444 (synth_mult): Record alg_impossible in the hash table if
6445 multiplication by a given integer is impossble within the
6446 limit. Speed up using alg_impossible.
6448 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
6450 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
6451 argument. Allow and set any offset if needs_anyoffset is passed
6453 (get_constraint_for): Add argument here too.
6455 (do_structure_copy): Pass NULL to get_constraint_for.
6456 (handle_ptr_arith): Ditto.
6457 (find_func_aliases): Ditto.
6459 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
6461 PR rtl-optimization/23898
6462 * output.h (get_attr_min_length): Declare.
6463 * final.c (get_attr_length_1): New function, broken out of:
6465 (get_attr_min_length): New function.
6466 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
6467 (duplicate_computed_gotos): Likewise.
6468 * genattr.c (insn_min_length): Generate declaration.
6469 * genattrtab.c (min_fn, min_attr_value): New functions.
6470 (make_length_attrs): Generate insn_min_length.
6472 2005-09-20 Steve Ellcey <sje@cup.hp.com>
6474 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
6476 2005-09-20 Richard Henderson <rth@redhat.com>
6478 PR tree-optimization/24059
6479 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
6482 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
6484 * c.opt (fextended-identifiers): New.
6485 * c-opts.c (c_common_handle_option): Handle
6486 -fextended-identifiers.
6487 * doc/cpp.texi: Update documentation of extended identifiers.
6488 * doc/cppopts.texi (-fextended-identifiers): Document.
6490 2005-09-20 Jakub Jelinek <jakub@redhat.com>
6492 PR tree-optimization/23929
6493 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
6496 PR tree-optimization/23818
6497 * tree-stdarg.c (execute_optimize_stdarg): Call
6498 calculate_dominance_info.
6500 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
6502 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
6503 (analyze_siv_subscript_cst_affine): Add weak SIV test.
6504 (compute_overlap_steps_for_affine_1_2): Use
6505 get_number_of_iters_for_loop.
6506 (analyze_subscript_affine_affine): Check whether difference is
6508 Use get_number_of_iters_for_loop.
6509 Check whether overlap occurs outside of bounds.
6510 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
6512 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
6514 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
6515 base register if possible.
6517 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
6519 PR tree-optimization/18463
6520 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
6521 converting it directly is not possible.
6522 (chrec_convert_aggressive): New function.
6523 * tree-chrec.h (chrec_convert_aggressive): Declare.
6524 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
6525 Fold chrec conversions aggressively if asked to.
6526 (instantiate_parameters): Modified because of changes in
6527 instantiate_parameters_1.
6529 2005-09-19 Richard Henderson <rth@redhat.com>
6531 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
6532 (reduc_splus_v2df): New.
6534 2005-09-19 Richard Sandiford <richard@codesourcery.com>
6536 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
6537 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
6539 2005-09-19 Richard Henderson <rth@redhat.com>
6541 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
6544 2005-09-19 Richard Henderson <rth@redhat.com>
6546 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
6547 (ia64_expand_dot_prod_v8qi): New.
6548 * config/ia64/ia64-protos.h: Update.
6549 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
6550 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
6551 sdot_prodv8qi, sdot_prodv4hi): New.
6552 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
6554 2005-09-19 Richard Henderson <rth@redhat.com>
6557 * real.c (exact_real_truncate): Return false if the format cannot
6558 represent the number as a normal.
6560 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6561 for a memory source.
6563 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
6565 * tree-ssa-operands.c (swap_tree_operands): Export.
6566 * tree.h (swap_tree_operands): Declare.
6567 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6568 Call swap_tree_operands.
6570 2005-09-19 Richard Henderson <rth@redhat.com>
6572 * tree-flow.h (merge_alias_info): Declare.
6573 * tree-ssa-copy.c (merge_alias_info): Export.
6574 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6575 (vect_create_data_ref_ptr): Use create_iv directly.
6576 (vectorizable_load): Use correct types for integer constants.
6577 (vect_generate_tmps_on_preheader): Likewise.
6578 (vect_gen_niters_for_prolog_loop): Likewise.
6580 2005-09-19 Steven Bosscher <stevenb@suse.de>
6582 PR rtl-optimization/23943
6583 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6585 2005-09-18 Jan Hubicka <jh@suse.cz>
6587 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6589 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
6591 * varasm.c (output_constant): Do not abort on conversions to union
6592 types between different sizes.
6594 2005-09-18 Richard Guenther <rguenther@suse.de>
6597 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6600 2005-09-18 Paul Brook <paul@codesourcery.com>
6602 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6604 2005-09-17 Richard Henderson <rth@redhat.com>
6606 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6607 * tree-ssa-loop.c (pass_vect_dce): Remove.
6608 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6611 2005-09-17 Richard Henderson <rth@redhat.com>
6613 * tree-pass.h (pass_vect_dce): Declare.
6614 * passes.c (init_optimization_passes): Add it.
6615 * tree-flow.h (tree_ssa_dce): Declare.
6616 * tree-ssa-dce.c (tree_ssa_dce): Export.
6617 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6618 (gate_tree_vectorize): ... here.
6619 (pass_vect_dce): New.
6621 2005-09-17 Jan Hubicka <jh@suse.cz>
6623 * except.c (struct eh_status): Turn region_array into vec.
6624 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6625 convert_from_eh_region_ranges, find_exception_handler_labels,
6626 current_function_has_exception_handlers, assign_filter_values,
6627 build_post_landing_pads, dw2_build_landing_pads,
6628 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6629 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6630 foreach_reachable_handler, can_throw_internal_1,
6631 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6633 (duplicate_eh_region_1): Update region_array.
6634 (duplicate_eh_regions): Resize region_array and avoid recomputing.
6636 2005-09-17 David Edelsohn <edelsohn@gnu.org>
6639 * expmed.c (expand_mult): Substitute simple register for op0 when
6642 2005-09-17 Richard Henderson <rth@redhat.com>
6644 * expr.c (emit_move_via_integer): Add force argument, pass it on
6645 to emit_move_change_mode. Update callers.
6646 (emit_move_complex): Pass true to new force argument.
6647 * function.c (expand_function_end): Move expand_eh_return call
6648 earlier. Merge sub-word complex values into a pseudo before
6649 copying to the return hard register.
6651 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
6653 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6654 between different sizes.
6656 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
6660 * passes.c (init_optimization_passes): Register dump files for
6663 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
6665 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6666 * config/s390/s390.c (s390_overlap_p): New function.
6667 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6668 peephole2, "*xc" peephole2): Added overlap check to the peephole2
6671 2005-09-16 Richard Guenther <rguenther@suse.de>
6673 * ipa-pure-const.c (static_execute): Free auxiliar information.
6674 * ipa-type-escape.c (discover_unique_type): Free temporary key.
6675 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6677 2005-09-15 DJ Delorie <dj@redhat.com>
6679 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6681 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
6683 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6685 (swap_commutative_operands_with_target): New.
6687 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
6689 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6692 (estimate_iters_using_array): New function.
6693 * tree-data-ref.h (estimate_iters_using_array): Prototype
6694 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6695 Use estimate_iters_using_array instead of analyze_array.
6697 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
6699 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6702 2005-09-15 Michael Matz <matz@suse.de>
6704 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6706 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
6708 PR tree-optimization/23835
6709 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6710 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6712 2005-09-14 Richard Henderson <rth@redhat.com>
6714 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6715 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6717 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
6719 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6720 in the ARRAY_TYPE case.
6722 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
6724 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6726 2005-09-14 Uros Bizjak <uros@kss-loka.si>
6729 * tree-vect-transform.c (vectorizable_operation): Return false for
6730 scalar shift operations and for vector shift operations with
6731 non-invariant shift arguments. Use scalar tree operand op1 as
6732 a shift operand when vector shift insn pattern uses scalar shift
6734 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6736 2005-09-14 Olivier Hainque <hainque@adacore.com>
6738 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6739 value if it has side-effects.
6741 2005-09-14 David Edelsohn <edelsohn@gnu.org>
6744 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6746 2005-09-14 Alan Modra <amodra@bigpond.net.au>
6748 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6749 passed as NAME as if it were label at start of function code.
6751 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
6753 * config/sh/sh.md (*movv4sf_i): Add general register cases to
6756 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6758 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6759 as early clobber. Rewrite so the PIC register is not implicitly used.
6761 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6763 * tree.c (annotate_with_file_line): Compare line numbers before
6766 2005-09-13 Uros Bizjak <uros@kss-loka.si>
6769 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6770 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6772 2005-09-13 Ian Lance Taylor <ian@airs.com>
6774 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6775 than a HOST_WIDEST_INT to gen_doloop_begin.
6777 2005-09-13 Diego Novillo <dnovillo@redhat.com>
6779 * tree-dfa.c (dump_variable): Guard against NULL annotations.
6781 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
6783 PR tree-optimize/23817
6784 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6786 2005-09-13 Alan Modra <amodra@bigpond.net.au>
6789 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6790 word before changing the stack pointer. Use gen_frame_mem for MEMs.
6791 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6792 (restore_stack_nonlocal): Likewise.
6793 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6795 2005-09-12 Ian Lance Taylor <ian@airs.com>
6798 * c.opt (ffriend-injection): New C++ option.
6799 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6800 (C++ Dialect Options): Document -ffriend-injection.
6802 2005-09-12 Josh Conner <jconner@apple.com>
6805 * ipa-reference.c (static_execute): Don't mark variables in
6806 named sections TREE_READONLY.
6808 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6810 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6813 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6815 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6816 V_MUST_DEF instead of just the first_use_p.
6817 Don't mark the virtual variables for renaming on the statement which
6819 (pass_dse): Remove TODO_update_ssa.
6821 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
6824 * stor-layout.c (compute_record_mode): For records with a single
6825 field, actually check the field's mode size against the type size.
6827 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6828 registers for TARGET_SHMEDIA.
6829 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6830 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
6831 of GENERAL_REGS and FP_REGS.
6833 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
6835 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6837 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6839 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6840 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6841 are omitted. Exclude stack_tie insn too.
6843 2005-09-11 David Edelsohn <edelsohn@gnu.org>
6845 PR rtl-optimization/23098
6846 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6848 * config/rs6000/rs6000.md (movdf splitter): Use
6849 const_double_operand predicate for TARGET_POWERPC64.
6850 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6851 SYMBOL_REF method to ABI_V4.
6853 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6854 replace_equiv_address.
6855 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6856 rs6000_sr_alias_set and MEM_NOTRAP.
6857 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6859 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
6861 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6862 handle CALL_EXPR again.
6864 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
6866 * arm/predicates.md (alignable_memory_operand): Delete.
6868 2005-09-10 Richard Henderson <rth@redhat.com>
6871 * dbxout.c (dbxout_expand_expr): New.
6872 (dbxout_symbol): Use it.
6874 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
6876 * arm.c (arm_gen_rotated_half_load): Delete.
6877 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6878 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6879 (thumb_set_return_address): Likewise.
6880 (thumb_load_double_from_address): Use adjust_address.
6881 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6882 (extendhsisi2_mem, movhi_bytes): Use change_address.
6883 (movhi): Use widen_memory_access.
6884 (reload_out_df): Use replace_equiv_address.
6885 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6887 2005-09-09 Richard Henderson <rth@redhat.com>
6890 * dbxout.c: Include expr.h.
6891 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6892 (dbxout_symbol): Handle DECL_VALUE_EXPR.
6893 * Makefile.in (dbxout.o): Add EXPR_H.
6895 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
6897 PR tree-optimization/23509
6898 * tree-cfg.c (replace_uses_by): Use replace_exp.
6899 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6900 pointers have name_mem_tag or type_mem_tag set.
6902 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6904 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6905 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6906 of wrongly accessing operands.
6908 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6910 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6911 * tree-chrec.c: Include tree-scalar-evolution.h.
6912 (chrec_convert): Instantiate the base and step before calling
6913 scev_probably_wraps_p that would fail on parametric evolutions.
6914 Collect all the fails into a single section failed_to_convert,
6915 print a diagnostic, and return chrec_dont_know instead of calling
6917 * tree-scalar-evolution.c (loop_closed_phi_def): New.
6918 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6920 (scev_const_prop): Don't replace the definition of a loop closed ssa
6921 phi node by itself, or by another loop closed ssa phi node.
6922 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6923 that base and step are defined.
6925 2005-09-09 Richard Guenther <rguenther@suse.de>
6928 * fold-const.c (fold_ternary): Check truth_value_p before
6929 calling invert_truthvalue.
6931 2005-09-09 Nick Clifton <nickc@redhat.com>
6933 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6934 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6935 dimension of these arrays.
6936 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6938 * longlong.h: Only provide a prototype for the __clz_tab[] array
6939 if this header has not been included from libgcc2.h.
6940 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6942 Provide prototypes for exported functions.
6943 Use the __clz_tab[] and __popcount_tab[] arrays provided by
6946 2005-09-08 Josh Conner <jconner@apple.com>
6950 * expr.c (expand_expr_addr_expr_1): Don't invoke
6951 expand_simple_binop for EXPAND_INITIALIZER.
6953 2005-09-08 Richard Henderson <rth@redhat.com>
6956 * toplev.c (wrapup_global_declaration_1): Split out ...
6957 (wrapup_global_declaration_2): ... from ...
6958 (wrapup_global_declarations): ... here. Return bool.
6959 (check_global_declaration_1): Split out ...
6960 (check_global_declarations): from here.
6961 (emit_debug_global_declarations): New.
6962 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6963 check_global_declaration_1, emit_debug_global_declarations): Declare.
6964 * c-decl.c (c_write_global_declarations_1): Don't create a vector
6965 of decls. Call wrapup_global_declaration_1,
6966 wrapup_global_declaration_2, check_global_declaration_1 directly.
6967 (c_write_global_declarations_2): New.
6969 (c_write_global_declarations): Call c_write_global_declarations_2.
6970 * langhooks.c (write_global_declarations): Call
6971 emit_debug_global_declarations.
6973 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6974 remove decls that have DECL_RTL_SET_P.
6975 * passes.c (rest_of_decl_compilation): Invoke
6976 cgraph_varpool_finalize_decl for all but functions.
6978 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
6980 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6981 the result of a conversion if the new min and max cannot be compared.
6983 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
6985 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6986 (override_options): Setting s390_sr_alias_set removed.
6987 (save_fpr, save_gprs): Set alias set to vararg or frame.
6988 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6989 s390_sr_alias_set with get_frame_alias_set ().
6990 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6991 get_varargs_alias_set ().
6993 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6997 * c-parser.c (c_parser_objc_method_definition): If the next
6998 token is not "{", error out and don't start the function.
7000 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
7002 * tree-vrp.c (extract_range_from_expr): Move the check for non
7003 nullness after the check for gimple invariant.
7005 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7007 * tree.c (host_integerp, tree_low_cst): Correct function comment.
7009 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7012 * config/m32r.md (movmemsi_internal): Canonicalize order of
7013 operands in PLUS component of template.
7015 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
7017 * reload1.c (fixup_eh_region_note): Remove assertion.
7018 (fixup_abnormal_edges): Reverted removal of call to
7019 find_many_sub_basic_blocks made on 2005-08-31.
7021 2005-09-07 Richard Henderson <rth@redhat.com>
7023 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
7024 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
7025 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
7026 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
7027 rearrange for better packing.
7028 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
7029 (lookup_cfa_1): Remove inline marker.
7030 (cfa_equal_p): Split out of ...
7031 (def_cfa_1): ... here. Use INVALID_REGNUM.
7032 (build_cfa_loc): Handle !cfa->indirect.
7033 (frame_pointer_cfa_offset): New.
7034 (dbx_reg_number): Assert register elimination performed; do
7035 leaf register remapping.
7036 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
7037 (eliminate_reg_to_offset): New.
7038 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
7039 for verifiably local stack frame addresses; re-base to CFA.
7040 (mem_loc_descriptor): Remove can_use_fbreg argument.
7041 (concat_loc_descriptor, loc_descriptor): Likewise.
7042 (containing_function_has_frame_base): Remove.
7043 (rtl_for_decl_location): Don't do register elimination or
7044 leaf register remapping here.
7045 (secname_for_decl): Split out from ..
7046 (add_location_or_const_value_attribute): ... here.
7047 (convert_cfa_to_loc_list): New.
7048 (compute_frame_pointer_to_cfa_displacement): New.
7049 (gen_subprogram_die): Use them.
7050 * tree.h (frame_base_decl): Remove.
7051 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
7052 (prologue_stack_adjust): Remove.
7053 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
7054 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
7055 (set_frame_base_location): Remove.
7056 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
7057 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
7058 (vt_add_function_parameters): Don't eliminate_regs.
7059 (vt_initialize): Don't create frame_base_decl.
7061 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7063 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
7064 version of GNU binutils for 4.x and later.
7066 2005-09-06 Mark Mitchell <mark@codesourcery.com>
7068 * ggc-page.c (ggc_push_context): Remove.
7069 (ggc_pop_context): Likewise.
7070 * ggc.h (ggc_push_context): Remove.
7071 (ggc_pop_context): Likewise.
7073 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
7076 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
7077 returning from an interrupt handler.
7079 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
7082 * config/arc/arc.c (output_shift): Add check for loop count when
7085 2005-09-06 Steven Bosscher <stevenb@suse.de>
7087 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
7089 (abs_replacement): Likewise.
7090 (pass_phiopt): Remove TODO_update_ssa.
7092 2005-09-06 Jakub Jelinek <jakub@redhat.com>
7095 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
7096 if "return with no value, in function returning non-void" warning
7098 * tree-cfg.c (execute_warn_function_return): Don't look at
7099 RETURN_EXPRs with TREE_NO_WARNING set.
7102 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
7103 for internal functions doesn't use registers used by global registers
7104 variables. Use fewer register parameters if there are global register
7107 2005-09-06 Olivier Hainque <hainque@adacore.com>
7108 Eric Botcazou <ebotcazou@adacore.com>
7111 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
7112 when we would be extracting outside its bit span (bitpos+bitsize
7113 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
7114 Ada unchecked conversions.
7116 2005-09-06 Steven Bosscher <stevenb@suse.de>
7118 * tree-ssa-pre.c (try_look_through_load): New function.
7119 (compute_avail): Use it to try to look through loads for some
7120 more useful expressions.
7122 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
7124 * simplify-rtx.c (simplify_binary_operation_1): Correct the
7125 condition for detecting cases like (a&a) and (a^a).
7127 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
7129 * common.opt: Add option ftree-vect-loop-version.
7130 * params.def: Add --param vect-max-version-checks.
7131 * doc/invoke.texi: Document ftree-vect-loop-version and
7132 --param vect-max-version-checks.
7133 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
7134 may_misalign_stmts and defines for accessors.
7135 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
7136 LOOP_VINFO_MAY_MISALIGN_STMTS.
7137 (destroy_loop_vec_info): VEC_free for
7138 LOOP_VINFO_MAY_MISALIGN_STMTS.
7139 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7140 Update documentation.
7141 (vect_update_misalignment_for_peel): New.
7142 (vect_enhance_data_refs_alignment): Update to choose loop
7143 peeling or loop versioning if appropriate for the (potentially)
7144 unaligned data references in the loop.
7145 (vect_analyze_data_refs_alignment): Remove call to
7146 vect_enhance_data_refs_alignment so the checks can be done
7148 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
7149 and move up call to vect_analyze_data_refs_alignment.
7150 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
7151 (vect_transform_loop): Add call to loop_version.
7153 2005-09-06 Jakub Jelinek <jakub@redhat.com>
7155 PR rtl-optimization/23098
7156 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
7157 * simplify-rtx.c (constant_pool_reference_p): New function.
7158 * rtl.h (constant_pool_reference_p): New prototype.
7159 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
7160 constant_pool_reference_p in condition and
7161 avoid_constant_pool_reference in preparation statements.
7163 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
7165 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
7166 STRICT_LOW_PART SETs.
7168 2005-09-06 Alan Modra <amodra@bigpond.net.au>
7171 * except.c (sjlj_emit_function_enter): Find the function begin
7172 note even when it's not in first basic block.
7174 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
7176 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
7177 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
7178 * aclocal.m4: Regenerate.
7180 2005-09-05 DJ Delorie <dj@redhat.com>
7182 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
7185 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
7187 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
7188 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
7189 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
7190 Follow spelling conventions.
7191 * doc/invoke.texi: Follow spelling conventions.
7193 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
7195 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
7196 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
7197 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
7199 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
7202 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
7203 (output_stack_adjust): Use gen_tmp_stack_mem.
7204 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
7205 (sh_set_return_address, sh_allocate_initial_value): Likewise.
7206 (sh_get_pr_initial_val): Likewise.
7207 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
7208 (sh_initialize_trampoline): Likewise. Also use adjust_address.
7209 * sh.md (divsi_inv_m0): Use gen_const_mem.
7210 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
7211 (movdf_i4+1): Use gen_tmp_stack_mem.
7212 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
7213 (fpu_switch+2): Likewise.
7214 (movv4sf_i, movv16sf_i): Use adjust_address.
7215 (symGOT_load): Set MEM_NOTRAP_P bit.
7217 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7220 * pa.c (emit_move_sequence): Fix typo in last change.
7222 2005-09-03 Jakub Jelinek <jakub@redhat.com>
7224 PR rtl-optimization/23454
7225 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
7228 2005-09-03 Richard Henderson <rth@redhat.com>
7229 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7232 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
7235 2005-09-02 Nicolas Pitre <nico@cam.org>
7237 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
7238 to bit_count to 32 bits.
7240 2005-08-31 Mark Mitchell <mark@codesourcery.com>
7243 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
7244 generating synthetic loads from volatile lvalues.
7246 005-09-02 Nick Clifton <nickc@redhat.com>
7248 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
7249 __ctzhi2, __clzhi2): New functions.
7251 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
7254 * tree-nested.c (struct var_map_elt): Mark with GTY.
7255 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
7257 (lookup_field_for_decl): Allocate new element in GC memory.
7258 (lookup_tramp_for_decl): Likewise.
7259 (convert_nl_goto_reference): Likewise
7260 (create_nesting_tree): Allocate info in GC memory. Likewise for
7262 (free_nesting_tree): Free with ggc_free instead of free.
7263 (root): New static variable.
7264 (lower_nested_functions): Remove root as local variable. And zero out
7265 root at the end of the function.
7267 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
7269 PR rtl-optimization/20365
7270 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
7271 to short. New member ix.
7272 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
7273 (simplify_plus_minus): Initialize ix members before calling qsort.
7275 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
7277 PR tree-optimization/23626
7278 * tree-cfg.c (replace_uses_by): Clean up eh info.
7280 2005-09-01 DJ Delorie <dj@redhat.com>
7282 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
7285 2005-09-01 David Edelsohn <edelsohn@gnu.org>
7287 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
7288 (rs6000_split_multireg_move): Use replace_equiv_address instead of
7291 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
7293 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
7294 do not issue warning for a variable definition following
7297 2005-09-01 Richard Henderson <rth@redhat.com>
7300 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
7301 conversion to CONST_VECTOR.
7303 2005-09-01 Richard Henderson <rth@redhat.com>
7306 * reload1.c (reload_as_needed): Check !CALL_P before calling
7307 fixup_eh_region_note.
7308 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
7310 2005-09-01 DJ Delorie <dj@redhat.com>
7312 * varasm.c (output_constant): Let the target resolve
7313 conversions of addresses to non-default pointer sizes.
7315 2005-09-01 Nicolas Pitre <nico@cam.org>
7317 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
7318 to alow matching ARM pre-indexed addressing mode.
7319 (arm_override_options): Remove now irrelevant comment.
7321 2005-09-01 Phil Edwards <phil@codesourcery.com>
7323 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
7324 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
7325 * config/i386/vxworks.h: Likewise.
7326 * config/i386/t-vxworksae: New file, for VxWorks AE.
7327 * config/i386/vxworksae.h: Likewise.
7329 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
7331 PR tree-optimization/23410
7332 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
7333 sequence is not wrapping during the first step.
7335 2005-09-01 Jakub Jelinek <jakub@redhat.com>
7338 * dwarf2out.c (base_type_die): Compare char_type_node with
7339 TYPE_MAIN_VARIANT (type), not type.
7341 2005-09-01 Richard Guenther <rguenther@suse.de>
7343 PR tree-optimization/15366
7344 * common.opt: Add -finline-functions-called-once.
7345 Put -fearly-inlining in alphabetically ordered place.
7346 * doc/invoke.texi: Document new option.
7347 * ipa-inline.c (cgraph_decide_inlining): Honour
7348 flag_inline_functions_called_once.
7350 2005-09-01 Jakub Jelinek <jakub@redhat.com>
7352 PR rtl-optimization/23478
7353 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
7354 (alloc_qty): Initialize it.
7355 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
7356 (combine_regs): Combine also n_throwing_calls_crossed fields.
7357 (find_free_reg): Don't attempt to caller-save pseudos crossing
7358 calls that might throw.
7359 * global.c (struct allocno): Add throwing_calls_crossed field.
7360 (global_alloc): Revert 2005-08-22 change. Initialize
7361 throwing_calls_crossed.
7362 (find_reg): Don't attempt to caller-save pseudos crossing calls that
7365 2005-09-01 Alan Modra <amodra@bigpond.net.au>
7368 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
7369 (mask64_operand): Reinstate code prior to 2005-06-11 change.
7370 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
7371 (and64_2_operand): Tweak to use predicate.
7372 (and_operand): Adjust for mask_operand changes.
7373 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
7374 (print_operand): Likewise.
7375 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
7376 (mask64_1or2_operand): Delete.
7377 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
7378 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
7379 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
7380 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
7381 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
7382 (rotldi3_internal4): Likewise.
7383 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
7384 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
7385 (ashldi3_internal7): Likewise.
7386 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
7387 (ashldi3_internal, ashldi3_internal9 split): Likewise.
7388 (anddi3 split): Don't match mask64_operand.
7389 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
7390 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
7391 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
7392 't' splitter predicate.
7393 (movdi_internal64 + 2): Revert 2005-06-11 change.
7395 2005-08-31 DJ Delorie <dj@redhat.com>
7397 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
7398 (m32c_asm_integer): Add support for 32 bit pointers.
7400 2005-08-31 Richard Henderson <rth@redhat.com>
7402 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
7403 component-like references for setting MEM_NOTRAP_P.
7405 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
7406 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
7408 2005-08-31 Richard Henderson <rth@redhat.com>
7410 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
7411 into a pseudo before applying gen_lowpart.
7413 2005-08-31 Geoffrey Keating <geoffk@apple.com>
7415 * doc/install.texi (Specific): Update cctools version required
7416 for full functionality.
7417 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
7418 linkers as -macosx_version_min.
7420 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
7423 * sh.c (print_operand, %R and %S): Add handling of floating point
7424 registers, memory, constants and invalid operands.
7426 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
7428 * ipa-pure-const.c: Change dump name.
7430 2005-08-31 Uros Bizjak <uros@kss-loka.si>
7433 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
7434 to "reg_or_0_operand".
7435 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
7437 2005-08-31 Dale Johannesen <dalej@apple.com>
7439 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
7440 loops that count down.
7442 2005-08-31 Richard Henderson <rth@redhat.com>
7445 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
7446 (fixup_eh_region_note): New.
7447 (reload_as_needed): Call it.
7448 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
7449 don't call find_many_sub_basic_blocks; call verify_flow_info.
7450 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
7451 (keep_stack_depressed): Likewise.
7452 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
7454 2005-08-31 Richard Henderson <rth@redhat.com>
7456 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
7459 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
7461 * expr.c (expand_expr_real_1): Compare size of address
7462 mode to target's address mode size in deciding expansion of
7463 the constant address.
7465 2005-08-31 Richard Guenther <rguenther@suse.de>
7468 * expr.c (all_zeros_p): New function.
7469 (expand_expr_real_1): Handle the case of an all-zero
7470 non-addressable constructor separately.
7472 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
7474 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
7475 arguments, adjust all callers.
7476 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
7478 2005-08-30 Richard Henderson <rth@redhat.com>
7481 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
7482 whenever the mode sizes match.
7484 2005-08-31 Alan Modra <amodra@bigpond.net.au>
7486 * calls.c (load_register_parameters): Fix comment typo.
7487 * expr.c (emit_push_insn): Comment formatting.
7489 2005-08-30 Ian Lance Taylor <ian@airs.com>
7491 * config/i386/x-cygwin (host-cygwin): Change dependency from
7492 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
7494 2005-08-29 Geoffrey Keating <geoffk@apple.com>
7496 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
7499 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7502 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
7503 call to ggc_collect.
7505 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
7508 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
7509 beginning. Remove $(INCLUDES) from all the rules, if following
7510 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
7512 2005-08-29 Jakub Jelinek <jakub@redhat.com>
7515 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
7516 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
7517 not constant, but maxlen is, don't set len to maxlen, rather
7518 set maxlen to len if len is a constant.
7520 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
7522 PR tree-optimization/23475
7523 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
7526 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
7528 Fix PR middle-end/22455
7530 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
7531 Checksum only the parts of the tree that exist for the tree code.
7533 2005-08-28 Dale Johannesen <dalej@apple.com>
7535 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
7537 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
7539 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
7541 2005-08-28 Richard Henderson <rth@redhat.com>
7543 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
7544 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
7547 2005-08-28 Jakub Jelinek <jakub@redhat.com>
7550 * builtins.c (get_memory_rtx): Don't strip nops
7551 in between COMPONENT_REFs.
7553 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
7556 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
7558 (gimplify_modify_expr): Check for zero sized types and gimplify the
7559 rhs and lhs as statements.
7561 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
7564 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7565 state for return address column of signal frames.
7567 2005-08-27 David Edelsohn <edelsohn@gnu.org>
7570 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7571 bytes >= 2 not bytes == 2.
7572 (expand_block_move): Same.
7574 2005-08-27 Richard Guenther <rguenther@suse.de>
7577 * config/i386/sse.md (sse2_movsd): Add missing closing
7580 2005-08-27 Paul Brook <paul@codesourcery.com>
7582 * genrecog.c (enum decision_type): Add DT_num_insns.
7583 (struct decision_test): Add u.num_insns.
7584 (add_to_sequence): Add DT_num_insns test.
7585 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7586 (write_cond, debug_decision_2): Ditto.
7587 (change_state): Assume peep2_next_insn never fails.
7588 Remove "afterward" argument.
7589 (write afterward, write_tree): Update to match.
7590 * recog.c (peep2_current_count): New variable.
7591 (peep2_next_insn): Check it.
7592 (peephole2_optimize): Set peep2_current_count.
7593 * recog.h (peep2_current_count): Declare.
7595 2005-08-26 Josh Conner <jconner@apple.com>
7598 * ipa-pure-const.c (check_tree): Check for volatile-ness
7599 when considering a dereference.
7601 2005-08-27 Jakub Jelinek <jakub@redhat.com>
7603 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7605 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7607 PR rtl-optimization/23561
7608 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
7609 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7610 at most LEN bytes long memory fits into the field.
7611 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7612 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7613 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7615 2005-08-26 Richard Henderson <rth@redhat.com>
7618 * loop.c (biased_biv_may_wrap_p): New.
7619 (maybe_eliminate_biv_1): Use it to suppress non-equality
7620 comparison transformations. Delete disabled code.
7622 2005-08-26 Ian Lance Taylor <ian@airs.com>
7624 * combine.c (make_extraction): Avoid reference outside object.
7626 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
7628 * stor-layout.c (finalize_type_size): Restore behaviour for
7629 non-aggregate types to the status quo ante of the patch for
7630 pr 23467. Document why it matters.
7632 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7635 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7636 array by one element, initialize the BT_LAST element with NULL.
7638 2005-08-26 David Edelsohn <edelsohn@gnu.org>
7640 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7641 optimizing for size.
7643 (compare_plus_eqsi): Same.
7644 (plus_eqsi_compare): Same.
7645 (neg_eq0<mode>): Same.
7646 (neg_eq<mode>): Same.
7648 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7651 2005-08-26 Nick Clifton <nickc@redhat.com>
7653 * config/v850/v850.c (ep_memory_operand): Return FALSE if
7654 TARGET_EP is not defined.
7655 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7656 TARGET_EP is enabled.
7657 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7658 * config/v850/v850.md (save_all_interrupt): Only use the EP
7659 register if TARGET_EP is defined.
7660 (restore_all_interrupt): Likewise.
7661 * config/v850/lib1funcs.asm: Update functions so that the EP
7662 register is only used if __EP__ is defined.
7664 2005-08-26 David Ung <davidu@mips.com>
7666 * config/mips/mips.c (mips_expand_prologue): Handle case when
7667 generating for MIPS16 and the outgoing argument area is more than
7668 SMALL_OPERAND. Use the frame pointer as temporary to generate the
7671 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
7673 * config/crx/crx.md: Make doloop_end pattern usage controllable
7674 via mloop-nesting=<max-nesting> command line switch. Make sure
7675 the combiner cannot use doloop_end_<mode> in an illegal way.
7676 * config/crx/crx.c: Use regs up to r6 for argument passing.
7677 Refine crx_address_cost (non cst4 displacements are expensive).
7678 * config/crx/crx.opt: Add switch for mloop-nesting=.
7680 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
7682 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7683 (UNSPEC_MVST): New constant.
7685 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
7687 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7688 Reject operands containing eliminable registers.
7689 * testsuite/gcc.dg/20050825-1.c: New testcase.
7691 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7692 Jan Hubicka <jh@suse.cz>
7694 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7696 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7698 PR tree-optimization/23546
7699 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7702 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
7704 * params.def (PARAM_MIN_SPEC_PROB): New.
7705 * sched-rgn.c (MIN_PROBABILITY): Delete.
7706 (compute_trg_info): Convert to PARAM_VALUE.
7707 * doc/invoke.texi (param): Document min-spec-prob.
7709 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
7711 * config/darwin.h: define __PIC__
7712 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7713 TARGET_OS_CPP_BUILTINS macro.
7715 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7717 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7720 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7722 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7724 * cfghooks.c (duplicate_block): Added position where to place
7725 new block as argument.
7726 * cfghooks.h (duplicate_block): Declaration changed.
7727 * cfglayout.c (copy_bbs): Add argument after. Pass it to
7729 * cfglayout.h (copy_bbs): Declaration changed.
7730 * cfgloop.h (loop_version): Declaration changed.
7731 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7732 position to copy_bbs.
7733 (loop_version): Pass position to duplicate_loop_to_header_edge.
7734 Add place_after argument and position new blocks according to
7736 * modulo-sched.c (sms_schedule): Pass place_after argument
7738 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7739 * tree-cfg.c (split_edge_bb_loc): New function.
7740 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7741 to determine position of new blocks.
7742 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7744 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7745 argument to duplicate_block.
7746 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7747 Pass position to copy_bbs.
7749 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7751 * fold-const.c (ptr_difference_const): Use
7752 cst_and_fits_in_hwi instead of host_integerp.
7754 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7756 * config/darwin.c (gen_pic_offset): New.
7757 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
7760 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
7762 PR tree-optimization/23486
7763 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7765 2005-08-23 Phil Edwards <phil@codesourcery.com>
7767 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
7768 remove use_collect2.
7769 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
7771 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
7772 configuration files to override the default value.
7774 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
7775 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7776 * config/vx-common.h: New file, split out from...
7777 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
7778 * config/vxworksae.h: New file, for VxWorks AE.
7779 * config/vxworks.opt: New file.
7780 * config/vxlib.c: Update for VxWorks 6.
7782 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
7783 other MULTILIB_* variables appropriately.
7784 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
7785 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
7786 * config/rs6000/vxworks.h: Update for VxWorks 6.
7787 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
7789 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
7792 * config/darwin.c (machopic_select_section): Remove the hack to
7793 mark "::operator new" and "::operator delete" for coalescing
7794 even though they are not weak.
7796 2005-08-24 Alan Modra <amodra@bigpond.net.au>
7798 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7799 * configure: Regenerate.
7801 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7804 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7806 * convert.c (convert_to_integer, convert_to_vector): Likewise.
7807 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7810 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7812 * config/rs6000/predicates.md (equality_operator): New.
7813 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7814 comparison with a large constant.
7816 2005-08-23 Mark Mitchell <mark@codesourcery.com>
7818 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7820 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
7822 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7823 registers is even, and we have a hardware double precision fp,
7825 (sh_gimplify_va_arg_expr): For floating point arguments, consider
7826 size of current argument when checking if argument was passed in
7829 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7832 * stor-layout.c (finalize_type_size): Dont override
7833 existing alignment with a smaller alignment from the mode.
7835 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7837 * lambda-code.c (lambda_vector_lexico_pos): Moved...
7838 * lambda.h (lambda_vector_lexico_pos): ... here.
7839 * tree-data-ref.c (build_classic_dist_vector): Return false when
7840 the distance vector is lexicographically negative.
7842 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7844 PR tree-optimization/23511
7845 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7846 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7848 2005-08-23 Jakub Jelinek <jakub@redhat.com>
7850 PR tree-optimization/22043
7851 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7852 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7853 If ALLOW_FLEXARR, handle types ending with flexible array member.
7854 Pass false as second argument to recursive count_type_elements calls.
7855 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7856 argument to count_type_elements call.
7857 * tree-sra.c (decide_block_copy): Likewise.
7858 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7859 for a constant-sized object, set cleared as well. Pass true as
7860 second argument to count_type_elements call.
7862 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7865 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7866 from legitimate_small_data_p, and make global. Update use.
7867 Remove forward declaration.
7868 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7870 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7872 2005-08-23 David Edelsohn <edelsohn@gnu.org>
7874 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7875 of scratch intermediates.
7876 (eq<mode>_compare): Same.
7877 (neg_eq0<mode>): New.
7878 (neg_eq<mode>): Convert to define_insn_and_split.
7880 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7883 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7884 stdarg functions, set/clear the fp marker even when no variable
7886 * config/rs6000/sysv4.opt (mprototype): Describe.
7888 2005-08-22 Jakub Jelinek <jakub@redhat.com>
7890 PR rtl-optimization/23478
7891 * regs.h (reg_info): Add throw_calls_crossed.
7892 (REG_N_THROWING_CALLS_CROSSED): Define.
7893 * flow.c (allocate_reg_life_data): Initialize
7894 REG_N_THROWING_CALLS_CROSSED.
7895 (propagate_one_insn, attempt_auto_inc): Update
7896 REG_N_THROWING_CALLS_CROSSED.
7897 * global.c (global_alloc): Don't allocate pseudos across
7898 calls that may throw.
7900 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
7903 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7904 value is inbetween the range if we did not find an exact match.
7906 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
7908 * doc/invoke.texi (Option Summary): Add ms1 options.
7909 * doc/extend.texi: Document interrupt handler attribute for ms1.
7910 * doc/md.texi: Document ms1 constraints.
7911 * config.gcc: Add ms1-*-elf.
7912 * config/ms1/ms1.h: New.
7913 * config/ms1/ms1.c: New.
7914 * config/ms1/ms1.md: New.
7915 * config/ms1/ms1-protos.h: New.
7916 * config/ms1/ABI.txt: New.
7917 * config/ms1/crti.asm: New.
7918 * config/ms1/crtn.asm: New.
7919 * config/ms1/lib2extra-funcs.c: New.
7920 * config/ms1/t-ms1: New.
7921 * config/ms1/ms1.opt: New.
7923 2005-08-22 Ira Rosen <irar@il.ibm.com>
7925 * config/rs6000/altivec.md (xorv4sf3): New.
7926 (negv4sf2, neg<mode>2): Likewise.
7928 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
7931 * config/ia64/ia64.md (divsi3): Check divide by zero.
7932 (udivsi3): Likewise.
7934 (udivdi3): Likewise.
7936 2005-08-21 Jakub Jelinek <jakub@redhat.com>
7938 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7939 up to elem_bitsize bits, not max_bitsize.
7941 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7943 PR tree-optimization/23433
7944 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7945 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7947 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7949 PR tree-optimization/23434
7950 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7951 the iteration bound is not an INTEGER_CST.
7953 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
7955 * tree-vect-transform.c (get_initial_def_for_reduction): Set
7956 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7957 NULL if need_epilog_adjust is false.
7958 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7959 Case 3 always peels first itration, not just for PLUS case, and no need
7960 to use scalar_initial_def here. Create an epilog adjustment only if
7961 scalar_initial_def is not NULL.
7963 (vectorizable_reduction): Remove assert.
7965 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
7968 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7969 (__moddi3): Likewise.
7970 (__udivdi3): Likewise.
7971 (__umoddi3): Likewise.
7972 (__divsi3): Likewise.
7973 (__modsi3): Likewise.
7974 (__udivsi3): Likewise.
7975 (__umodsi3): Likewise.
7977 2005-08-20 Jakub Jelinek <jakub@redhat.com>
7979 * tree-pass.h (TDF_GRAPH): Define.
7980 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7981 * passes.c (finish_optimization_passes): Only call
7982 finish_graph_dump_file if TDF_GRAPH is set.
7983 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7984 NULL. Set TDF_GRAPH bit.
7985 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7987 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
7989 * arm.h (arm_stack_offsets): Add locals_base field.
7990 * arm.c (arm_get_frame_offsets): Compute it.
7991 (thumb_compute_initial_elimination offset): Make the Thumb frame
7992 pointer point to the base of the local variables.
7993 (thumb_expand_prologue): Update accordingly.
7994 (thumb_expand_epilogue): Likewise.
7996 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
7997 mode of clobbered scratch to DImode. Handle a case that's known to
8000 2005-08-19 David Edelsohn <edelsohn@gnu.org>
8002 * config/rs6000/rs6000.md (gt0<mode>): Delete.
8003 (gt0<mode>_compare): Delete.
8004 (neg_gt0<mode>): Delete.
8006 2005-08-19 Eric Christopher <echristo@apple.com>
8008 * optabs.h: Change CTI_ to COI_.
8011 2005-08-19 James E Wilson <wilson@specifix.com>
8013 * builtins.c (expand_builtin_return_addr): Set
8014 current_function_accesses_prior_frames when count != 0. Use
8015 frame_pointer_rtx when count == 0.
8016 * function.h (struct function): Add accesses_prior_frames field.
8017 (current_function_accesses_prior_frames): Define.
8018 * reload1.c (init_elim_table): Check
8019 current_function_accesses_prior_frames.
8020 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
8022 2005-08-19 Diego Novillo <dnovillo@redhat.com>
8024 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
8025 indicator. Return true if the flowgraph changed during
8028 2005-08-19 Diego Novillo <dnovillo@redhat.com>
8031 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
8032 conditional expression before testing its value.
8034 2005-08-19 Diego Novillo <dnovillo@redhat.com>
8036 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
8038 2005-08-19 Devang Patel <dpatel@apple.com>
8040 PR tree-optimization/23048
8041 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
8042 third parameter. Check whether latch is dominated by exit
8044 (if_convertible_loop_p): Supply exit block itself to
8045 if_convertible_bb_p.
8047 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
8050 * arm.md (arm_load_pic_register): Change argument to the mask of
8051 saved registers. Call thumb_find_work_register if we need a
8052 scratch register on Thumb.
8053 (arm_expand_prologue): Pass empty register set to
8054 arm_load_pic_register.
8055 (thumb_expand_prologue): Pass live_regs_mask directly to
8056 arm_load_pic_register.
8057 * arm-protos.h (arm_load_pic_register): Update prototype.
8059 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
8061 * sh.c (find_sole_member): New function.
8062 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
8063 if the record's alignment is larger than the size of its only member.
8065 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
8068 * arm.c (thumb_legitimize_reload_address): New function.
8069 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
8070 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
8072 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
8074 * config/crx/crx.c: Implement crx_decompose_address. Reject
8075 symbolic displacements since CRX register relative adressing
8076 mode can't handle unsigned 32-bit values as displacements.
8077 * config/crx/crx.h: Simplify definitions, remove redundant
8078 parenthesis and obsolete macros.
8079 * config/crx/crx.opt: Add new switch for debugging addresses.
8080 * config/crx/crx-protos.h: Add new declarations for above.
8082 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
8085 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
8088 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8090 * collect2.c (dup2): Delete.
8091 * configure.ac: Don't check for dup2.
8093 * config.in, configure: Regenerate.
8095 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
8097 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
8098 record with the type of its only member.
8100 2005-08-18 David Edelsohn <edelsohn@gnu.org>
8102 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
8103 define_insn_and_split.
8104 (plus_ltu<mode>_compare): Same.
8105 (gtu<mode>_compare): Same.
8106 (plus_gtu<mode>_compare): Same.
8108 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
8110 PR tree-optimization/22228
8111 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
8113 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
8114 are recorded in vect_vnames_to_rename for renaming.
8115 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
8116 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
8117 in vect_vnames_to_rename.
8118 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
8119 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
8121 2005-08-18 Jan Hubicka <jh@suse.cz>
8124 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
8125 info only for local statics, not for member variables.
8127 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8129 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
8131 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8133 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
8135 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
8138 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
8140 2005-08-17 James E Wilson <wilson@specifix.com>
8142 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8145 2005-08-17 David Edelsohn <edelsohn@gnu.org>
8147 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
8148 (leu<mode>_compare): Same.
8149 (plus_leu<mode>): Same.
8150 (neg_leu<mode>): Same.
8151 (and_neg_leu<mode): Same.
8152 (ltu<mode>_compare): Same.
8153 (plus_ltu<mode>): Same.
8155 (geu<mode>_compare): Same.
8156 (plus_geu<mode>): Same.
8157 (neg_geu<mode>): Same.
8158 (and_neg_geu<mode>): Same.
8159 (plus_gt<mode>): Same.
8160 (gtu<mode>_compare): Same.
8161 (plus_gtu<mode>): Same.
8163 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
8165 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
8166 Move call_table_data to end. Delete spurious .text.
8167 (callt_save_all_interrupt): Fix comment typo.
8169 2005-08-17 James E Wilson <wilson@specifix.com>
8170 Kevin Winchester <winchester@amirix.com>
8173 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
8175 2005-08-17 Uros Bizjak <uros@kss-loka.si>
8178 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
8179 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
8181 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
8183 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
8184 record with the type of its only member if the modes don't match.
8186 * varasm.c (decode_reg_name): Skip empty additional register names.
8188 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8190 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
8191 lsm_tmp_name_length): New.
8192 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
8193 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
8195 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
8196 Andreas Krebbel <krebbel1@de.ibm.com>
8198 * config.gcc: Added z9-109 switch.
8199 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
8200 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
8201 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
8202 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
8203 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
8204 for "z9_109" cpu attribute.
8205 * config/s390/s390.c (z9_109_cost): New processor cost structure.
8206 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
8207 (s390_handle_arch_option): Added z9-109 switch.
8208 (override_options): Set respective cost function for z9-109.
8209 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
8210 (legitimate_reload_constant_p): Accept extended immediates.
8211 (print_operand): Three new output modifiers added: k, m and o.
8212 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
8213 (s390_output_mi_thunk): Use extended immediate when possible.
8214 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
8215 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
8216 (CONSTRAINT_LEN): Added length of O constraint.
8217 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
8218 * config/s390/s390.md ("cpu"): New value z9_109 added.
8219 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
8220 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
8221 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
8222 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
8223 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
8224 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
8225 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
8226 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
8227 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
8228 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8229 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
8230 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
8231 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
8232 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
8233 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
8235 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
8236 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
8237 insns for TARGET_EXTIMM.
8239 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
8241 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
8243 2005-08-17 Nick Clifton <nickc@redhat.com>
8245 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
8246 Call default_encode_section_info.
8248 2005-08-17 Steven Bosscher <stevenb@suse.de>
8250 PR tree-optimization/21574
8251 * tree-ssa-ccp.c (likely_value): If the right hand side is a
8252 constant, return CONSTANT.
8253 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
8254 (ccp_fold, visit_assignment): Likewise.
8255 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
8257 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
8259 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
8260 fold_buildN instead of buildN then fold_initializer or fold.
8261 (build_unary_op): Likewise.
8262 (build_binary_op): Likewise.
8263 * fold-const.c (fold_initializer): Remove.
8264 (fold_build1_initializer): New function.
8265 (fold_build2_initializer): New function.
8266 (fold_build3_initializer): New function.
8267 * tree.h (fold_initializer): Remove.
8268 (fold_build1_initializer): New function.
8269 (fold_build2_initializer): New function.
8270 (fold_build3_initializer): New function.
8272 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
8274 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
8275 (try_move_mult_to_index): Call fold_build2 instead of build2.
8276 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
8277 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
8278 fold_binary_to_constant.
8279 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
8281 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
8282 check if A == gcd (A, B). Remove TYPE argument.
8283 (analyze_offset) Use fold_build2 instead of fold (build.
8284 (create_data_ref): Likewise.
8285 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
8286 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
8289 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
8291 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
8292 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
8294 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
8297 * gimplify.c (zero_sized_type): New function.
8298 (gimplify_modify_expr_rhs): If we have a zero sized type,
8299 replace the statement with an empty statement.
8301 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
8303 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
8306 2005-08-16 Ian Lance Taylor <ian@airs.com>
8308 * doc/tm.texi (Label Output): Correct typo.
8310 2005-08-16 Steven Bosscher <stevenb@suse.de>
8313 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
8314 force_operand will work later on using have_insn_for.
8316 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8318 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
8320 2005-08-16 Ian Lance Taylor <ian@airs.com>
8323 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
8324 vector type, don't try to construct it element by element. Add an
8325 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
8327 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8329 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
8331 2005-08-16 Geoffrey Keating <geoffk@apple.com>
8333 * doc/invoke.texi (Precompiled Headers): Document some more options
8334 which are known to be safe.
8336 2005-08-16 James E Wilson <wilson@specifix.com>
8338 PR tree-optimization/21105
8339 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8340 TREE_OVERFLOW check.
8342 2005-08-16 David Edelsohn <edelsohn@gnu.org>
8344 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
8345 (neg_ltu<mode>): Same.
8347 (neg_gtu<mode>): Same.
8349 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8351 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
8352 (fold_builtin_isdigit): Use fold_buildN.
8353 (build_function_call_expr): Likewise.
8354 * c-typeck.c (c_finish_loop): Likewise.
8356 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
8357 Richard Shann <rshann@superh.com>
8359 PR middle-end/20396:
8360 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
8362 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
8364 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
8366 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
8369 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
8370 arm_compure_save_reg0_reg12_mask to determine when the PIC register
8373 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8376 * fold-const.c (build_range_check): Disable optimization for function
8377 pointer expressions on targets that require function pointer
8380 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
8382 * simplify-rtx.c (simplify_const_relational_operation): When
8383 extracting arguments of a COMPARE, recompute the mode as well.
8385 2005-08-15 Ian Lance Taylor <ian@airs.com>
8387 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
8389 2005-08-15 DJ Delorie <dj@redhat.com>
8391 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
8393 (movsi_splittable): Allow, but split, moves to the stack.
8394 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
8397 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8399 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
8400 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
8401 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
8403 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
8404 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
8405 Delete HOST_PTR_PRINTF.
8407 * configure, config.in: Regenerate.
8409 2005-08-15 David Edelsohn <edelsohn@gnu.org>
8411 * config/rs6000/rs6000.md (QHSI): New mode macro.
8412 (wd): Extend mode attr for QImode and HImode
8413 (dbits): New mode attr.
8414 (zero_extend<mode>di2): Convert to mode macro.
8416 2005-08-15 Steve Ellcey <sje@cup.hp.com>
8419 * doc/invoke.texi (-mgnu-ld): Update description.
8422 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
8425 * Makefile.in (tree-chrec.o): Depends on real.h.
8426 * tree-chrec.c: Include real.h.
8427 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
8428 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
8429 * tree-scalar-evolution.c (add_to_evolution_1,
8430 interpret_rhs_modify_expr): Ditto.
8432 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
8435 * tree-data-ref.c (estimate_niter_from_size_of_data): When
8436 step is negative compute the estimation from init downwards to zero.
8438 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
8440 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
8442 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
8444 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
8446 (legitimate_reload_constant_p): Fix handling of lliXX operands.
8447 Accept double-word constants that can be split.
8448 * config/s390/s390.md ("movti"): Use 'P' constraint.
8449 ("*movdi_31", "*movdf_31"): Likewise.
8451 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
8453 Fix PR tree-optimization/22615
8455 * tree-ssa-structalias.c (solution_set_add): Handle
8456 first_vi_for_offset returning NULL.
8457 (do_da_constraint): Ditto.
8458 (do_sd_constraint): Ditto.
8459 (do_ds_constraint): Ditto
8460 (find_func_aliases): Ditto.
8461 (build_constraint_graph): RHS is allowed be ANYTHING.
8462 (first_vi_for_offset): Return NULL if we couldn't find anything at
8465 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
8467 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
8468 over memory as first operand.
8470 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
8473 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
8474 available for setting it.
8476 2005-08-14 Ira Rosen <irar@il.ibm.com>
8478 PR tree-optimization/23320
8479 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
8480 data-refs' types instead of base object nullness. Add check for
8481 pointer type data-refs before first location comparison. Remove
8484 2005-08-14 Andreas Schwab <schwab@suse.de>
8486 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
8488 2005-08-13 James E Wilson <wilson@specifix.com>
8490 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
8491 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
8492 -fstack-protector-all, --param ssp-buffer-size): Document.
8493 (-Wvariadic-macros): Alphabetize.
8494 (-fsched-stalled-insns-dep): Add missing 'f'.
8496 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
8499 2005-08-13 David Edelsohn <edelsohn@gnu.org>
8501 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
8502 or indirect address operand.
8503 (EXTRA_ADDRESS_CONSTRAINT): New.
8504 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
8506 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
8508 PR tree-optimization/22236
8509 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
8510 successors and predecessors.
8511 * tree-chrec.c (chrec_convert): Before converting, check that
8512 sequences don't wrap.
8513 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
8514 (analyze_array): Extern.
8515 (find_data_references_in_loop): Remove call to
8516 compute_estimated_nb_iterations.
8517 * tree-data-ref.h (analyze_array): Declared.
8518 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
8519 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
8520 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
8521 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
8523 * tree-ssa-loop-ivcanon.c: Fix documentation.
8524 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
8525 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
8526 (infer_loop_bounds_from_undefined): New.
8527 (estimate_numbers_of_iterations_loop): Use
8528 infer_loop_bounds_from_undefined.
8529 (used_in_pointer_arithmetic_p): New.
8530 (scev_probably_wraps_p): Pass an extra parameter. Call
8531 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
8532 (convert_step): Fix documentation.
8533 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
8534 Use initial_condition_in_loop_num and evolution_part_in_loop_num
8535 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
8536 scev_probably_wraps_p.
8538 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
8540 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
8541 (s390_register_info): Ignore clobbered_regs information for fixed
8542 registers, and only fixed registers.
8543 (s390_init_frame_layout): Remove redundant call.
8545 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
8547 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
8548 description of -Wold-style-casts.
8550 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8551 Jakub Jelinek <jakub@redhat.com>
8553 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8554 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
8555 * config/s390/s390.c (print_operand): New output modifier 'G' added.
8556 (get_thread_pointer): Renamed to s390_get_thread_pointer.
8557 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
8558 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
8559 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8560 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8561 ("stack_protect_set", "stack_protect_test"): New expanders.
8562 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8563 "stack_protect_testdi"): New insn definitions.
8565 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8567 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8569 2005-08-12 Paul Brook <paul@codesourcery.com>
8571 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8573 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8575 * config/s390/predicates.md (setmem_operand): New predicate.
8576 (shift_count_operand): Accept ANDs with special constants as
8578 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8579 with special constants.
8580 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8581 shift_count_operand with setmem_operand.
8583 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8585 * config/s390/s390.c (s390_extract_part, s390_single_part):
8587 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8588 (s390_output_mi_thunk): Don't use lg on 31 bit.
8589 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8590 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8592 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8594 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8595 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8596 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8597 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8598 with one of the new macros.
8600 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8602 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8603 Don't set save_return_addr_p.
8604 (s390_register_info): Make clobbered_regs not depending on
8607 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
8609 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8610 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8612 2005-08-11 James E. Wilson <wilson@specifix.com>
8614 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8616 2005-08-11 Jakub Jelinek <jakub@redhat.com>
8618 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8619 locations gathered by var-tracking in single entry loc_list
8620 over loc_descriptor_from_tree.
8622 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8623 pass it down to loc_descriptor.
8624 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8625 (containing_function_has_frame_base): Move earlier in the file.
8626 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8627 instead of always assuming fbreg can't be used.
8629 2005-08-11 David Edelsohn <edelsohn@gnu.org>
8631 * config/rs6000/altivec.md: Change constraint "m" to "Z".
8632 * config/rs6000/predicates.md (indexed_or_indirect_operand):
8633 Accept address wrapped in AND for Altivec.
8634 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8635 Strip AND wrapping offset address for Altivec.
8637 2005-08-11 Richard Henderson <rth@redhat.com>
8640 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8641 before using TYPE_IS_SIZETYPE.
8643 2005-08-11 Richard Henderson <rth@redhat.com>
8646 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8647 insn types not present on ev4.
8648 (alphaev5_insn_pipe): Similarly.
8650 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
8653 * arm.c (arm_override_options): If the user has selected callee-super-
8654 interworking, then enable normal interworking.
8656 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8658 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8661 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
8663 * doc/rtl.texi: Fix two typos.
8665 2005-08-11 Richard Guenther <rguenther@suse.de>
8668 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8669 cases where we call to/from functions returning void.
8671 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
8674 * tree.c (build_pointer_type_for_mode): Robustify.
8676 2005-08-10 James E Wilson <wilson@specifix.com>
8678 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8679 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8681 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8684 2005-08-10 Eric Christopher <echristo@apple.com>
8686 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8687 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8690 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
8693 * config/darwin.c (machopic_indirect_data_reference): Use a new register
8694 for the high part when generating dynamic-no-pic code.
8696 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
8698 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8699 (x86_64-*-linux*): Likewise.
8701 * config/i386/crtfastmath.c: New file.
8702 * config/i386/t-crtfm: Likewise.
8704 * config/i386/linux.h (ENDFILE_SPEC): New.
8705 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8707 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8710 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
8712 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8713 (vec_shl, vec_shr): Document new operations.
8714 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8716 2005-08-10 David Edelsohn <edelsohn@gnu.org>
8718 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8719 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8720 change predicate to indexed_or_indirect_address.
8722 2005-08-10 Richard Sandiford <richard@codesourcery.com>
8724 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8725 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8726 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8727 and __aeabi_uwrite8.
8728 * config/arm/unaligned-funcs.c: New file.
8729 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8731 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
8733 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8735 * cfglayout.c (pass_insn_locators_initialize): Add dump.
8736 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8738 * except.c (pass_convert_to_eh_region_ranges): Add dump.
8739 * final.c (pass_shorten_branches): Add dump.
8740 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8741 (pass_life): Rename dump.
8742 (rest_of_handle_flow2): Remove initial verify_flow_info.
8743 * function.c (pass_instantiate_virtual_regs): Add dump.
8744 * integrate.c (pass_initial_value_sets): Add dump.
8745 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8746 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8747 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8748 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8749 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8750 gate_rtl_unrool_and_peel_loops): New.
8751 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8752 rtl_doloop): Do not look at flags.
8753 * mode-switching.c (pass_mode_switching): Add dump.
8754 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8755 pass_split_before_regstack): Add dump.
8756 * regmove.c (pass_stack_adjustments): Add dump.
8757 * tree-optimize.c (pass_fixup_cfg): Add dump.
8759 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8762 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8763 deciding which instruction sequence to use.
8765 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
8767 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8768 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8770 2005-08-09 Richard Guenther <rguenther@suse.de>
8772 * c-common.c (builtin_function_2): Remove.
8773 (def_builtin_1): New function.
8774 (c_common_nodes_and_builtins): Use def_builtin_1 to
8775 build builtin functions.
8777 2005-08-09 Jie Zhang <jie.zhang@analog.com>
8779 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8780 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8781 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8784 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8786 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8787 fold_binary instead of fold_build2 since we don't care about the
8789 (loop_niter_by_eval): Likewise.
8790 (compare_trees): Likewise.
8791 (proved_non_wrapping_p): Likewise.
8793 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8797 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8798 if the if is really empty.
8800 2005-08-09 Steven Bosscher <stevenb@suse.de>
8802 PR tree-optimization/23234
8803 * tree-ssa-math-opts.c (place_reciprocal): New enum.
8804 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8805 argument of the new enum.
8806 (execute_cse_reciprocals): Add reciprocals for function arguments
8807 on the unique successor edge of the entry block. Update other calls
8808 to execute_cse_reciprocals_1.
8810 2005-08-08 Richard Henderson <rth@redhat.com>
8813 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8815 2005-08-08 Bob Wilson <bob.wilson@acm.org>
8817 * expr.c (write_complex_part): Return after handling MEM.
8819 2005-08-08 Josh Conner <jconner@apple.com>
8821 PR rtl-optimization/23241
8822 * combine.c (simplify_comparison): Fix error in determining
8823 whether to lift a subreg from comparison.
8825 2005-08-08 David Edelsohn <edelsohn@gnu.org>
8828 * config/rs6000/altivec.md (vec_init<mode>): New.
8829 (vec_set<mode>): New.
8830 (vec_extract<mode>): New.
8831 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8832 (rs6000_expand_vector_set): New.
8833 (rs6000_expand_vector_extract): New.
8834 (rs6000_legitimate_offset_address_p): Offset addresses are valid
8835 for Altivec modes before reload.
8836 (altivec_expand_vec_init_builtin): New.
8837 (get_element_number): New.
8838 (altivec_expand_vec_set_builtin): New.
8839 (altivec_expand_vec_ext_builtin): New.
8840 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8842 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8844 * config/rs6000/rs6000.h (rs6000_builtins): Add
8845 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8846 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8847 * config/rs6000/rs6000-protos.h: Declare new functions.
8849 2005-08-08 Jan Hubicka <jh@suse.cz>
8851 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8852 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8853 * i386.md (movdi*): Use pic_32bit_operand.
8854 * predicates.md (pic_32bit_operand): New.
8856 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
8859 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8861 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
8863 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8864 (test_for_singularity): Use fold_build2.
8866 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8868 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8870 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
8872 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8873 (COMMON_ASM_OP) Define.
8874 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8875 (ix86_encode_section_info): Likewise.
8876 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8877 SUBTARGET_ENCODE_SECTION_INFO.
8879 2005-08-06 Richard Henderson <rth@redhat.com>
8882 * tree-nested.c (convert_local_reference): Save and restore val_only
8883 around component_ref and friends. Clear walk_subtrees by default.
8885 2005-08-06 Peter O'Gorman <peter@pogma.com>
8888 * gcc.c (process_command): Check the argument to -b has a dash.
8889 * doc/invoke.texi: Update -b and -V docs.
8891 2005-08-06 James E Wilson <wilson@specifix.com>
8893 * config/mips/cross64.h, config/mips/t-cross64: Delete.
8895 2005-08-06 Michael Matz <matz@suse.de>
8897 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8898 member only if only one insn is associated with the value.
8900 2005-08-06 Nick Clifton <nickc@redhat.com>
8902 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8904 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8905 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8906 Check symbol flags instead of symbol name mangling.
8907 (xstormy16_asm_output_aligned_common): Likewise. Also
8908 simplify code since the bss100_section cass is the only case
8909 where the below100 code will be triggered.
8910 (xstormy16_encode_section_info): Encode below100 attribute
8911 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8913 (xstormy16_strip_name_encoding): Delete - this function is no
8915 (TARGET_STRIP_NAME_ENCODING): Undefine.
8916 * config/stormy16/stormy16-protos.h: Delete prototype for
8917 xstormy16_strip_name_encoding.
8919 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
8921 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8922 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8923 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8924 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8925 config/alpha/predicates.md, config/arc/arc.h,
8926 config/arm/arm.h, config/arm/ieee754-df.S,
8927 config/arm/ieee754-sf.S, config/bfin/bfin.c,
8928 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8929 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8930 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8931 config/m68hc11/m68hc11.h, config/mips/mips.c,
8932 config/mips/mips.h, config/mips/openbsd.h,
8933 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8934 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8935 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8936 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8937 config/sparc/linux.h, config/sparc/linux64.h,
8938 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8939 doc/extend.texi, doc/gcov.texi, doc/install.texi,
8940 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8941 typos. Follow spelling conventions.
8943 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
8946 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8947 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8948 specially. Check for side effects only for COND_EXPR.
8949 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8950 return with TREE_NO_WARNING.
8952 2005-08-06 Richard Sandiford <richard@codesourcery.com>
8954 PR rtl-optimization/23233
8955 * loop.c (combine_movables): Require the modes to be the same.
8956 (move_movables): Remove handling of cases where the replacement
8957 had a different mode to the original.
8959 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
8961 PR tree-optimization/23128
8962 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8963 subtraction wrap, and set TREE_OVERFLOW if they do.
8965 2005-08-05 Richard Henderson <rth@redhat.com>
8968 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8969 FORCED_LABEL labels.
8971 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
8974 * reload.c (find_reloads_subreg_address): Pass down TYPE
8975 unchanged. Change all callers except find_reloads_toplev.
8977 2005-08-05 Michael Matz <matz@suse.de>
8979 * genattrtab.c (current_alternative_string): Remove.
8980 (SIMPLIFY_ALTERNATIVE): Ditto.
8981 (attr_alt_bit_p): Ditto.
8982 (alternative_name): Make const char *.
8983 (evaluate_eq_attr): Remove use of above things.
8984 (simplify_test_exp): Ditto.
8985 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8986 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8988 2005-08-04 James E Wilson <wilson@specifix.com>
8990 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8991 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8992 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8993 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8994 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8996 2005-08-04 Richard Henderson <rth@redhat.com>
8999 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
9000 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
9001 * tree-sra.c (decide_block_copy): Use it. Disable element copy
9002 if we'd have to instantiate too many members.
9004 2005-08-04 Richard Henderson <rth@redhat.com>
9007 * tree-outof-ssa.c (coalesce_asm_operands): New.
9008 (coalesce_ssa_name): Use it. Split out ...
9009 (coalesce_phi_operands, coalesce_result_decls): ... these.
9011 2005-08-04 Paul Brook <paul@codesourcery.com>
9013 * read-rtl.c (read_quoted_string): Break if EOF.
9015 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
9017 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
9018 (fold_build2): Likewise.
9019 (fold_build3): Likewise.
9020 (fold_build1_stat): New function prototype.
9021 (fold_build2_stat): Likewise.
9022 (fold_build3_stat): Likewise.
9023 * fold-const.c (fold_build1): Rename to ..
9024 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
9025 through to build1_stat.
9026 (fold_build2): Rename to ..
9027 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
9028 through to build2_stat.
9029 (fold_build3): Rename to ..
9030 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
9031 through to build3_stat.
9033 2005-08-04 David Edelsohn <edelsohn@gnu.org>
9034 Ian Lance Taylor <ian@airs.com>
9036 * function.c (assign_stack_local_1): Do not correct stack slot
9037 address if allocation size is smaller than mode size.
9039 2005-08-04 Diego Novillo <dnovillo@redhat.com>
9042 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
9043 (tree_merge_blocks): Propagate anything allowed by
9045 Clarify documentation.
9046 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
9047 SSA form, schedule an update if necessary.
9049 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
9051 * doc/install.texi (Binaries): Remove broken link to
9052 Sinix/Reliant Unix binaries.
9054 2005-08-03 Richard Henderson <rth@redhat.com>
9057 * function.c (stack_protect_epilogue): Export.
9058 * tree.h (stack_protect_epilogue): Declare.
9059 * calls.c (expand_call): Call it.
9061 2005-08-03 Eric Christopher <echristo@apple.com>
9063 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
9064 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
9067 2005-08-04 Jan Hubicka <jh@suse.cz>
9069 * profile.c (branch_prob): Split edges with goto locus on them
9070 to get proper line counts.
9071 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
9073 2005-08-03 Paul Brook <paul@codesourcery.com>
9075 * function.c (assign_parms): Round current_function_args_size
9076 to PARM_BOUNDARY, not STACK_BOUNDARY.
9078 2005-08-03 Geoffrey Keating <geoffk@apple.com>
9080 * config/i386/i386.c (x86_elf_aligned_common)
9081 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
9083 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
9085 PR tree-optimization/23157
9086 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
9087 before emitting them.
9089 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9091 PR tree-optimization/19899
9092 * Makefile.in (tree-scalar-evolution.o): Add real.h.
9093 * tree-scalar-evolution.c: Include real.h.
9094 (add_to_evolution): Build constant -1 of correct type.
9096 2005-08-03 Jan Hubicka <jh@suse.cz>
9098 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
9099 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
9100 profile updating for complette unrolling.
9101 * loop-unroll.c (peel_loop_completely): Use it.
9102 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
9103 (tree_unroll_loops_completely): Disable code growing unrolling of cold
9106 2005-08-03 Paul Brook <paul@codesourcery.com>
9108 * combine.c (can_change_dest_mode): New function.
9109 (try_combine, simplify_set): Use it.
9111 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
9113 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
9116 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
9118 * doc/install.texi (Specific): Adjust link to openavr.org.
9119 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
9120 (Binaries): Adjust HP-UX Porting Center link.
9121 (Binaries): Adjust Free Software Foundation ordering link.
9123 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
9125 * convert.c (convert_to_integer): Use fold_build1 instead of
9126 build1 when converting an integer to an integer.
9128 2005-08-02 Richard Henderson <rth@redhat.com>
9130 * combine.c (combine_instructions): Don't use reg_equal/equiv
9131 results if the mode doesn't match.
9133 2005-08-02 Mark Mitchell <mark@codesourcery.com>
9135 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
9136 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
9138 2005-08-02 Richard Henderson <rth@redhat.com>
9141 * explow.c (memory_address): Remove special-case for
9142 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
9144 2005-08-02 Diego Novillo <dnovillo@redhat.com>
9147 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
9148 number of calls to cleanup_tree_cfg_1.
9150 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
9152 * doc/invoke.texi: document file extensions .F90 and .F95
9154 2005-08-02 Richard Guenther <rguenther@suse.de>
9156 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
9157 positive if its first argument is positive.
9159 2005-08-02 Richard Guenther <rguenther@suse.de>
9161 PR tree-optimization/23177
9162 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
9165 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
9167 PR tree-optimization/23129
9168 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
9169 varying for divisions with anti-ranges.
9171 2005-08-02 Jan Hubicka <jh@suse.cz>
9173 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
9174 * tree-ssa-threadupdate.c (thread_block): Add it here.
9176 2005-08-01 James E Wilson <wilson@specifix.com>
9178 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
9179 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
9180 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
9182 * config/mips/predicates.md (const_call_insn_operand): Add check for
9183 SYMBOL_REF_LONG_CALL_P.
9184 * doc/extend.texi (long_call): Document the new attribute.
9186 2005-08-01 Ian Lance Taylor <ian@airs.com>
9187 Richard Henderson <rth@redhat.com>
9189 * Makefile.in (RTL_BASE_H): Add real.h.
9190 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
9192 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
9194 * rtl.c (rtl_check_failed_code_mode): New.
9195 * rtl.h (struct rtx_def): Add u.rv.
9196 (XCMWINT, XCNMPRV): New.
9197 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
9198 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
9200 2005-08-01 Richard Henderson <rth@redhat.com>
9202 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
9203 with auto-inc codes.
9205 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
9207 2005-08-01 Jan Hubicka <jh@suse.cz>
9209 * i386-protos.h (asm_preferred_eh_data_format): Declare.
9210 * i386.c: Include dwarf2.h
9211 (asm_preferred_eh_data_format): New.
9212 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
9214 2005-08-01 Ian Lance Taylor <ian@airs.com>
9216 * config/host-linux.c (linux_gt_pch_get_address): Add new name
9217 randomize_va_space for virtual address randomization control.
9219 2005-08-01 Steven Bosscher <stevenb@suse.de>
9221 * common.opt (flag_ipa_cp): Put in right place to maintain
9224 2005-08-01 Jan Hubicka <jh@suse.cz>
9226 * profile.c (compute_value_histograms): Fix thinko.
9227 * value-prof.c: Include toplev.h
9228 (check_counter): New function.
9229 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
9230 tree_mod_subtract_transform): Add sanity check.
9232 2005-08-01 Richard Guenther <rguenther@suse.de>
9234 PR tree-optimization/23133
9235 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
9236 current functions parameter decls to find defs to cse
9239 2005-08-01 Richard Guenther <rguenther@suse.de>
9241 PR tree-optimization/23109
9242 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
9243 If trapping math is in effect, use post-dominator information
9244 to check if we'd in any case reach a trapping point before
9245 doing the reciprocal insertion.
9246 (execute_cse_reciprocals): Compute post-dominators, if necessary.
9247 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
9248 expressions are invariant only if trapping math is not in effect.
9250 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
9252 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
9253 cgraph_function_versioning): New declarations.
9254 * cgraphunit.c: Add include to ipa-prop.h.
9255 (update_call_expr, cgraph_copy_node_for_versioning,
9256 cgraph_function_versioning): New functions.
9257 * integrate.c (copy_decl_for_inlining): Remove.
9258 * ipa-prop.h (ipa_replace_map): New struct.
9259 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
9260 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
9261 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
9262 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
9263 ipcp_iterate_stage, ipcp_method_scale_print,
9264 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
9265 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
9266 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
9267 ipcp_update_bb_counts, ipcp_update_profiling,
9268 ipcp_update_edges_counts): New functions.
9269 (ipcp_method_cval_init): Remove restriction regarding local methods.
9270 (ipcp_init_stage): Add ipcp_method_compute_scale.
9271 (ipcp_insert_stage): Add versioning.
9272 (ipcp_structures_print): Add ipcp_method_scale_print.
9273 (ipcp_driver): Dump profiling info.
9274 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
9275 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
9276 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
9277 (struct inline_data): Add versioning_p, ipa_info, new fields.
9278 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
9279 declare_return_variable): Replace calls to copy_decl_for_inlining with
9281 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
9283 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
9284 Add argument VERSIONING.
9285 (copy_arguments_for_versioning, copy_static_chain,
9286 function_versionable_p, tree_versionable_function_p,
9287 tree_function_versioning, replace_ref_tree): New functions.
9288 * tree-inline.h: Include varray.h.
9289 (tree_versionable_function_p, tree_function_versioning,
9290 tree copy_decl_for_dup): New declarations.
9292 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
9294 * ipa-cp.c: New file. Contains IPCP specific functionality.
9295 * ipa-prop.h: New file. Contains structures/definitions that can be
9296 used by several interprocedural data flow optimizations (and also IPCP).
9297 * ipa-prop.c: New file.
9298 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
9299 * common.opt: Add ipa-cp flag.
9300 * timevar.def: Add IPCP optimization.
9301 * tree-optimize.c (init_tree_optimization_passes): Schedule
9303 * tree-pass.h (pass_ipa_cp): Declare.
9305 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
9307 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
9308 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
9309 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
9310 config/i386/i386.c, config/mips/mips.h,
9311 config/rs6000/rs6000.h, config/sh/sh.c,
9312 config/stormy16/stormy16.c: Fix comment typos.
9314 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
9317 * c-typeck.c (build_binary_op): Use common_type wrapper on
9319 (common_type): Update comment.
9321 2005-07-31 Steven Bosscher <stevenb@suse.de>
9324 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
9325 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
9326 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
9328 2005-07-31 Jan Hubicka <jh@suse.cz>
9330 * pretty-print.h (pp_widest_integer): New macro.
9331 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
9334 2005-07-31 Jan Hubicka <jh@suse.cz>
9336 * output.h (enum section_category): Export from varasm.c
9337 (categorize_decl_for_section): Likewise.
9338 * varasm.c (enum section_category): Kill.
9339 (categorize_decl_for_section): Make global.
9340 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
9342 * i386.c (ix86_section_threshold): New static variable.
9343 (ix86_in_large_data_p, ix86_encode_section_info,
9344 x86_64_elf_unique_section,
9345 x86_64_elf_select_section): New functions.
9346 (TARGET_ENCODE_SECTION_INFO): Define
9347 (override_options): Enable medium model for PIC.
9348 (ix86_expand_prologue): Expand gen_set_got_rex64.
9349 (legitimate_constant_p): Handle new UNSPECs.
9350 (legitimate_pic_address_disp_p): Likewise.
9351 (legitimize_pic_address): Lower MEDIUM model addressing.
9352 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
9353 (enum cmodel): Add MEDIUM_PIC.
9354 (SYMBOL_REF_FAR_ADDR_P): New macro.
9355 (SYMBOL_FLAG_FAR_ADDR): New flag.
9356 * i386.md (movdi): Support medium model.
9357 (set_got_rex64): New pattern.
9358 * i386.opt (mlarge-data-threshold): New flag.
9359 * predicates.md (zext_operand/sext_operand): Deal with medium model.
9360 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
9361 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
9362 TARGET_ASM_UNIQUE_SECTION): New.
9364 * invoke.texi (-mlarge_data_threshold): Document
9366 2005-07-31 Jan Hubicka <jh@suse.cz>
9368 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
9369 (coalesce_vars): Likewise.
9370 * tree-ssa-live.c (coalesce_cost): New.
9371 (build_tree_conflict_graph): Use coalesce_cost.
9372 * tree-ssa-live.h (coalesce_cost): Declare.
9374 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
9376 * arm.md (all peepholes for post-increment operations): Delete.
9377 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
9378 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
9379 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
9380 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
9381 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
9383 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
9385 * fold-const.c (tree_expr_nonnegative_p): Always return true for
9388 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
9391 * doc/invoke.texi: Document -rdynamic.
9393 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
9396 * c-parser.c (c_parser_parms_list_declarator): Call
9397 mark_forward_parm_decls.
9398 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
9399 decls with visibility structure.
9401 2005-07-30 Paul Brook <paul@codesourcery.com>
9403 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
9405 2005-07-30 Paul Brook <paul@codesourcery.com>
9407 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
9409 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
9411 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
9413 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9416 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
9417 nested function declarators.
9418 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
9419 (grokparms): Call warn_if_shadowing for parameters used within the
9421 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
9422 not used within the parameter list.
9423 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
9425 2005-07-30 Jan Hubicka <jh@suse.cz>
9427 * expr.c (expand_expr_real_1): Do not load mem targets into register.
9428 * i386.c (ix86_fixup_binary_operands): Likewise.
9429 (ix86_expand_unary_operator): Likewise.
9430 (ix86_expand_fp_absneg_operator): Likewise.
9431 * optabs.c (expand_vec_cond_expr): Validate dest.
9433 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9436 * real.c (real_from_string): Also set last bit if there is a
9437 nonzero hex digit beyond GCC's internal precision after ".".
9439 2005-07-29 David Edelsohn <edelsohn@gnu.org>
9441 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
9442 define_constants. Change duplicate values to unassigned numbers.
9443 Change UNSPEC_SUBS to UNSPEC_VSUBS.
9444 (*altivec_vspltsf): New.
9445 (altivec_vperm_v4sf): Delete.
9446 (altivec_vperm_<mode>): Use mode macro V.
9447 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
9448 (altivec_predicate_v4sf): Delete.
9449 (altivec_predicate_<mode>): Use mode macro V.
9450 (*altivec_lvesfx): New.
9451 (*altivec_stvesfx): New.
9452 (vec_realign_load_v4sf): Delete.
9453 (vec_realign_load_<mode>): Use mode macro V.
9454 * config/rs6000/rs6000.c (generate_set_vrsave): Use
9457 2005-07-29 Mark Mitchell <mark@codesourcery.com>
9460 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
9462 * configure: Regenerated.
9464 2005-07-29 Paul Brook <paul@codesourcery.com>
9466 * doc/install.texi: Add link to GFortran binaries wiki page.
9468 2005-07-29 David Ung <davidu@mips.com>
9470 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
9471 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
9472 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
9473 * config/mips/mips.md (cpu): Add 5kf name.
9474 (includes): Includes 5k.md.
9475 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
9476 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
9479 2005-07-29 Diego Novillo <dnovillo@redhat.com>
9482 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
9483 (cleanup_tree_cfg): ... here.
9484 Call cleanup_tree_cfg_1 until there are no more cleanups to
9487 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
9489 * tree-vrp.c (compare_range_with_value): Return true or false
9490 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
9491 EQ_EXPR respectively.
9493 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
9495 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
9498 2005-07-29 Diego Novillo <dnovillo@redhat.com>
9500 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
9501 (tree_ssa_dominator_optimize): Increment it.
9502 (dump_dominator_optimization_stats): Print it.
9504 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
9505 Steven Bosscher <stevenb@suse.de>
9507 PR rtl-optimization/23117
9508 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
9509 when head == tail. Tidy comment.
9511 2005-07-28 Richard Henderson <rth@redhat.com>
9513 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
9514 * cselib.c (rtx_equal_for_cselib_p): Likewise.
9515 * jump.c (rtx_renumbered_equal_p): Likewise.
9516 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
9517 CONST_INT and CONST_DOUBLE.
9518 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
9519 * reload.c (operands_match_p): Special case CONST_INT and
9520 CONST_DOUBLE; check mode earlier.
9522 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9525 * c-typeck.c (convert_for_assignment): Do not check
9526 DECL_IN_SYSTEM_HEADER on NULL fundecl.
9528 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9531 * c-typeck.c (composite_type): Prefer constant size arrays to
9534 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9537 * real.c (real_from_string): Set last bit if there is a nonzero
9538 hex digit beyond GCC's internal precision.
9540 2005-07-28 Richard Henderson <rth@redhat.com>
9543 * cfgcleanup.c (try_forward_edges): Watch out for end of
9546 2005-07-28 James E Wilson <wilson@specifixinc.com>
9549 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
9551 2005-07-28 Jan Hubicka <jh@suse.cz>
9553 * Makefile.in (rtl-profile.o): Kill all traces of it.
9554 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
9555 * coverage.h (rtl_coverage_counter_ref): Kill.
9556 * opts.c (flag_speculative_prefetching_set): Kill.
9557 (flag_loop_optimize_set): New.
9558 (common_handle_option): Disable loop optimizer when profiling;
9559 do not handle speculative prefetching.
9560 * passes.c (init_optimization_passes): Replace pass_profiling combo
9561 by branch_prob pass.
9562 * profile.c (compute_value_histograms): Update for simplified value
9564 (rtl_register_profile_hooks): Kill.
9565 (pass_profiling): Kill.
9566 (rest_of_handle_branch_prob): Do not profile.
9567 * toplev.c (process_options): Remove speculative prefetching.
9568 * toplev.h (flag_tree_based_profiling): Kill.
9569 * tree-profile.c (prepare_instrumented_value,
9570 tree_gen_interval_profiler, tree_gen_pow2_profiler,
9571 tree_gen_one_value_profiler, do_tree_profiling): Update for
9572 simplified datastructures.
9573 * value-prof.c: Add comment that speculative prefetching was dropped;
9574 update rest of file for simplified datastructures.
9575 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9576 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9577 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9578 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9579 rtl_mod_subtract, gen_speculative_prefetch,
9580 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9581 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9582 (gate_handle_value_profile_transformations,
9583 rest_of_handle_value_profile_transformations,
9584 pass_value_profile_transformations): Kill.
9585 * value-prof.h (histogram_value_t): Remove IL based unions.
9586 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9587 rtl_profile_hooks): Remove hooks.
9589 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9591 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9592 (cgraph_clone_node): Likewise.
9593 * cgraph.h (cgraph_clone_edge): Update prototype.
9594 (cgraph_clone_node): Likewise.
9595 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9597 (lookup_recursive_calls): Consider profile.
9598 (cgraph_decide_recursive_inlining): Fix updating; use new
9599 probability argument; use profile.
9600 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9601 * tree-inline.c (copy_bb): Update clal of clone_edge.
9602 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9604 * invoke.texi (min-inline-recursive-probability): Document.
9606 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
9608 * doc/install.texi (Configuration): Update Valgrind homepage.
9610 2005-07-28 Richard Henderson <rth@redhat.com>
9613 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9614 labels we want to delete.
9615 (cfg_layout_merge_blocks): Likewise.
9617 2005-07-28 Richard Henderson <rth@redhat.com>
9620 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9621 when expanding to nothing.
9623 2005-07-28 Josh Conner <jconner@apple.com>
9625 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9626 (cgraph_decide_inlining_of_small_functions): Likewise.
9628 2005-07-28 Josh Conner <jconner@apple.com>
9630 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
9631 direction of badness if negative.
9632 (cgraph_default_inline_p): Add reason to parameters, and assign it
9634 (cgraph_decide_inlining_of_small_functions): New parameter in call
9635 to cgraph_default_inline_p.
9636 (cgraph_decide_inlining_incrementally): Likewise.
9637 * cgraphunit.c (decide_is_function_needed): Likewise.
9638 * cgraph.h (cgraph_default_inline_p): Likewise.
9640 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9642 * builtins.c: Fix comment typo(s).
9643 * genautomata.c: Likewise.
9644 * gimplify.c: Likewise.
9645 * tree-dfa.c: Likewise.
9646 * tree-flow-inline.h: Likewise.
9647 * tree-into-ssa.c: Likewise.
9648 * tree-ssa-alias.c: Likewise.
9649 * tree-ssa-ccp.c: Likewise.
9650 * tree-ssa-copy.c: Likewise.
9651 * tree-ssa-dce.c: Likewise.
9652 * tree-ssa-dom.c: Likewise.
9653 * tree-ssa-operands.c: Likewise.
9654 * tree-tailcall.c: Likewise.
9655 * tree-vectorizer.c: Likewise.
9656 * tree-vrp.c: Likewise.
9659 2005-07-28 Jeff Law <law@redhat.com>
9661 * tree-vrp.c (test_for_singularity): Extracted from ...
9662 (simplify_cond_using_ranges): Attempt to simplify a relational
9663 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
9665 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
9667 PR tree-optimization/22506
9668 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9669 phis whose argument is constant.
9671 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
9673 PR rtl-optimization/18992
9674 Back out this patch:
9675 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9676 PR optimization/12142
9677 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9678 uses of the register in the SET_SRC. Remove unnecessary argument.
9680 Replace it with this:
9681 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9682 if flag_non_call_exceptions is set and the insn may trap, pass
9683 pc_rtx as dest for recursion.
9684 In SET_SRC part of SET case, if dest is already set, pass it down
9687 2005-07-28 Jan Hubicka <jh@suse.cz>
9689 * cfg.c (update_bb_profile_for_threading): Use RDIV.
9690 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9691 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9693 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9694 profile when available.
9696 2005-07-28 Jan Beulich <jbeulich@novell.com>
9698 * config/ia64/ia64.c (ia64_load_pair_ok): New.
9699 (ia64_print_operand): Describe and handle 'X'.
9700 (ia64_register_move_cost): Also handle FP_REGS.
9701 (ia64_preferred_reload_class): Likewise.
9702 (ia64_secondary_reload_class): Likewise.
9703 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9704 it. Also check for ITANIUM_CLASS_FLDP.
9705 * config/ia64/ia64.h (FP_REGNO_P): New.
9706 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9707 (reg_class): Add FP_REGS.
9708 (REG_CLASS_NAMES): Adjust for it.
9709 (REG_CLASS_CONTENTS): Likewise.
9710 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9711 (REG_CLASS_FROM_LETTER): Handle 'x'.
9712 (CLASS_MAX_NREGS): Handle FP_REGS.
9713 (MEMORY_MOVE_COST): Likewise.
9714 * config/ia64/ia64.md (itanium_class): Add fldp.
9715 (type): Handle fldp.
9716 (movti_internal): More allowable operand combinations. Use ldfp8 when
9717 splitting unnecessary. Remove predicable attribute. Adjust
9718 itanium_class attribute.
9719 (smuldi3_highpart): Remove outdated comment.
9720 (mulditi3, umulditi3, rotlti3): New expanders.
9721 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9722 (absti2): Disabled new insn for future reference.
9723 Respective new splitters.
9724 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9725 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9726 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9728 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
9730 PR rtl-optimization/23047
9731 * simplify-rtx.c (simplify_const_relational_operation): Respect
9732 flag_wrapv for comparisons with ABS.
9734 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
9736 PR tree-optimization/22493
9737 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9738 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9740 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
9742 * config/frv/frv.opt (moptimize-membar): New.
9744 * doc/invoke.texi: Document -moptimize-membar and its inverse.
9746 * config/frv/frv.h: Remove machine_function definition.
9748 * config/frv/frv.c (struct frv_io): New.
9749 (struct machine_function): Moved from frv.h. Add has_membar_p.
9750 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9751 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9752 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9753 (frv_optimize_membar_global, frv_optimize_membar): New functions.
9754 (frv_reorg): Call frv_optimize_membar when appropriate.
9755 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9756 (frv_expand_builtin): Adjust calls accordingly.
9757 (frv_io_address_cookie): New function.
9758 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9759 load or store rather than a special insn. Add ccnstant address and
9760 io-type operands to the membar.
9761 (frv_ifcvt_modify_tests): Unsign regno.
9762 (frv_ifcvt_modify_tests): Same.
9764 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
9765 UNSPEC_OPTIONAL_MEMBAR constant.
9766 (builtin_read_<mode>): Delete.
9767 (builtin_write_<mode>): Delete.
9768 ("optional_membar_<mode>"): Add operand.
9770 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9771 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9772 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9773 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9774 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9775 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9776 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9777 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9778 * testsuite/gcc.target/frv/all-read-write-1.c: New.
9780 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
9782 * df.c (df_uses_record): Handle SCRATCH.
9784 2005-07-28 Steven Bosscher <stevenb@suse.de>
9787 * passes.c (rest_of_decl_compilation): If decl is a type and
9788 we have encountered errors, don't emit debug information.
9790 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9792 * params.def: Fixed comment.
9794 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
9797 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9798 (TARGET_ASM_UNALIGNED_HI_OP): Add.
9799 (TARGET_ASM_UNALIGNED_SI_OP): Add.
9801 2005-07-27 Steven Bosscher <stevenb@suse.de>
9804 * varasm.c (assemble_start_function): Don't do anything that may
9805 require a CFG if the current function is a thunk.
9807 2005-07-25 Geoffrey Keating <geoffk@apple.com>
9809 * doc/install.texi (Prerequisites): Mention that perl is needed
9810 to do export control in libstdc++ targetting Darwin.
9812 2005-07-27 Steven Bosscher <stevenb@suse.de>
9814 PR rtl-optimization/17808
9815 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9816 (sched_insns_conditions_mutex_p): Split out from...
9817 (add_dependence): ...here. But don't call it from here.
9818 (add_dependence_list): Check sched_insns_conditions_mutex_p
9819 before calling add_dependence.
9820 (add_dependence_list_and_free): Likewise.
9821 (fixup_sched_groups): Likewise.
9822 (sched_analyze_1): Likewise.
9823 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9824 (sched_analyze): Likewise.
9825 (sched_analyze_insn): Likewise.
9826 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9827 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
9828 dependencies on all COND_EXEC insns to jumps ending basic blocks
9829 when doing intrablock scheduling.
9830 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9832 2005-07-27 Jeff Law <law@redhat.com>
9834 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9835 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
9836 equivalency sets, correctly handle the case were vr0 has an
9837 equivalency set, but vr1 does not.
9839 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
9841 PR tree-optimization/23073
9842 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9843 vect_print_dump_info before fprintf.
9845 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9847 PR tree-optimize/22348
9848 * tree-ssa-loop-niter.c (number_of_iterations_cond):
9849 Fold the partial computation.
9851 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9853 PR tree-optimization/22325
9854 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9856 * tree-scalar-evolution.c (scev_const_prop): Add generic final
9858 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9859 (force_var_cost): ... this function.
9860 (compute_phi_arg_on_exit): Export.
9862 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9864 PR tree-optimization/20773
9865 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9868 2005-07-27 Richard Guenther <rguenther@suse.de>
9870 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9871 Avoid pushing again if current struct contains only
9872 fields we decomposed.
9874 2005-07-27 Jan Hubicka <jh@suse.cz>
9876 PR tree-optimization/22574
9877 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9880 * tree-tailcall.c (decrease_profile): New function.
9881 (eliminate_tail_call): Use it.
9883 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9884 visibility flags correctly in whole program mode.
9886 2005-07-26 Steve Ellcey <sje@cup.hp.com>
9888 PR rtl-optimization/22472
9889 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9891 2005-07-26 Steven Bosscher <stevenb@suse.de>
9893 PR tree-optimization/22504
9894 * tree-complex.c (expand_complex_addition): Use 'code' instead
9895 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9897 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9899 * config.gcc (cpu_type): Add frv case.
9900 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9901 (supported_defaults): Add fr550 case.
9903 2005-07-26 Diego Novillo <dnovillo@redhat.com>
9906 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9907 whether a pointer of type T * may point to objects of type T *.
9909 2005-07-26 DJ Delorie <dj@redhat.com>
9911 * configure: Regenerate.
9913 2005-07-26 Dale Johannesen <dalej@apple.com>
9915 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
9917 2005-07-26 Mark Mitchell <mark@codesourcery.com>
9919 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9920 Clarify use of "build" in name.
9922 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9924 * doc/extend.texi (Raw read/write Functions): New section.
9925 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9926 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9927 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9928 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9929 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9930 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9931 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9932 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9933 * config/frv/frv.c: Add bdesc_loads global.
9934 Add bdesc_stores global.
9935 (frv_init_builtins): Add support for __builtin_{read/write}*.
9936 (frv_volatile_memref): New.
9937 (frv_expand_load_builtin): New.
9938 (frv_expand_store_builtin): New.
9939 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9940 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9941 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9942 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9943 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9944 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9945 (builtin_read_<mode>): New.
9946 (builtin_write_<mode>): New.
9947 (builtin_write64): New.
9948 (optional_membar_<mode>): New.
9950 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
9952 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9953 (rather than units) against HOST_BITS_PER_WIDE_INT.
9955 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
9957 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9958 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9959 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9960 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9963 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9964 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9965 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9967 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9969 2005-07-26 Richard Guenther <rguenther@suse.de>
9971 PR tree-optimization/22486
9972 * fold-const.c (fold_unary): Fold away useless component
9973 references of the form (T *)&T.x, if the address
9976 2005-07-25 James E Wilson <wilson@specifixinc.com>
9978 * dwarf2out.c (add_call_src_coords_attributes): New.
9979 (gen_inlined_subroutine_die): Call it.
9980 (maybe_emit_file, init_file_table): Add comments.
9981 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9983 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9984 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9985 * tree.h (BLOCK_SOURCE_LOCATION): New.
9986 (struct tree_block): New field locus.
9988 2005-07-26 Andreas Schwab <schwab@suse.de>
9990 PR rtl-optimization/23043
9991 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9992 when allocating a struct unoccr.
9994 2005-07-25 Richard Henderson <rth@redhat.com>
9997 * tree-complex.c (gate_no_optimization): True if errors.
9998 * Makefile.in (tree-complex.o): Update dependencies.
10000 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
10002 * config/frv/predicates.md (integer_register_operand): Use
10003 GPR_AP_OR_PSEUDO_P.
10005 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
10008 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
10010 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
10012 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
10014 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
10015 types when flag_unsafe_math_optimizations is true.
10017 2005-07-25 Mark Mitchell <mark@codesourcery.com>
10019 * gcc.c (option_map): Add --sysroot.
10020 (process_command): Handle --sysroot.
10021 (display_help): Document it.
10022 * doc/cppopts.tex (-isysroot): Document.
10023 * doc/invoke.texi (--sysroot): Document.
10024 * doc/install.texi (--with-build-sysroot): Document.
10026 * Makefile.in (inhibit_libc): New variable.
10027 (INHIBIT_LIBC_CFLAGS): Likewise.
10028 (LIBGCC2_CFLAGS): Include
10029 $(INHIBIT_LIBC_CFLAGS).
10030 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
10031 ($(T)crtbegin.o): Do not use @inhibit_libc@.
10032 ($(T)crtend.o): Likewise.
10033 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
10034 ($(T)crtendS.o): Likewise.
10035 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
10036 ($(T)crtendT.o): Likewise.
10037 (stmp-fixinc): Do not complain about missing headers if
10039 * configure.ac (inhibit_libc): Set it to true/false.
10040 (--with-build-sysroot): New option. Use it to set
10042 * configure: Regenerated.
10044 2005-07-25 Manfred Hollstein <mh@suse.com>
10046 * calls.c (store_one_arg): Fix unsigned comparison warning.
10048 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
10051 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
10052 (ggc_print_statistics): Initialize variable before use.
10054 2005-07-25 Richard Guenther <rguenther@suse.de>
10056 * tree-dfa.c (mark_new_vars_to_rename): Protect against
10057 calling with a PHI_NODE argument.
10059 * tree-flow-inline.h (overlap_subvar): Protect against
10062 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
10064 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
10065 * configure: Regenerate.
10067 2005-07-25 Ira Rosen <irar@il.ibm.com>
10069 * expr.c (highest_pow2_factor): Make extern.
10070 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
10071 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
10072 record_array_differ_p, array_ptr_differ_p): Likewise.
10073 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
10074 additional cases. Call the above functions.
10075 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
10076 base_object_differ_p when there are two base objects. Otherwise, compare
10077 base address and offset. Call may_alias_p.
10078 (dump_data_reference): Use a correct field name.
10079 (analyze_array): Make static. Initialize new data-ref fields.
10080 (analyze_indirect_ref): New function.
10081 (init_data_ref): Initialize new data-ref fields.
10082 (strip_conversion): Moved from tree-vect-analyze.c.
10083 (analyze_offset_expr, get_ptr_offset, address_analysis,
10084 object_analysis): Likewise.
10085 (analyze_offset): New function.
10086 (create_data_ref): Likewise.
10087 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
10088 dimensions for ARRAY_REFs only.
10089 (build_classic_dist_vector): Make static.
10090 (access_functions_are_affine_or_constant_p): Call macro to get the
10091 address of access functions.
10092 (compute_all_dependences): Add new parameter
10093 compute_self_and_read_read_dependences. Compute self and read-read
10094 dependences if it is true.
10095 (find_data_references_in_loop): Call create_data_ref. Initialize new
10097 (compute_data_dependences_for_loop): Add new parameter
10098 compute_self_and_read_read_dependences. Remove parameter nb_loops,
10099 compute nb_loops. Call compute_all_dependences,
10100 build_classic_dist_vector and build_classic_dir_vector with correct
10102 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
10103 with correct parameters. Compare dimensions for ARRAY_REFs only.
10104 (free_data_refs): Call macro to free access functions.
10105 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
10106 fields from stmt_vinfo.
10107 (struct base_object_info): New structure.
10108 (struct data_reference): Move fields to base_object_info. Add fields
10109 first_location and object_info for above structures. Move fields from
10110 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
10111 aligned_to. Add macros to access the new fields.
10112 Update functions declarations.
10113 * tree-flow.h (is_aliased_with): Declare.
10114 * tree-loop-linear.c (linear_transform_loops): Call
10115 compute_data_dependences_for_loop with correct parameters.
10116 * tree-ssa-alias.c (is_aliased_with): New function.
10117 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
10118 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
10119 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
10120 vect_base_addr_differ_p, compute_subscript_distance and
10121 build_classic_dist_vector. Add printings. Check absolute value of
10123 (vect_analyze_data_ref_dependences): Go through ddrs instead of
10125 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
10126 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
10127 to bytes. Add printing.
10128 (vect_compute_data_refs_alignment): Go through loads and stores in one
10130 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
10131 vect_analyze_data_ref_access): Likewise.
10132 (vect_analyze_pointer_ref_access): Remove.
10133 (vect_address_analysis, vect_object_analysis): Likewise.
10134 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
10135 and analyze data-refs in the loop.
10136 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
10137 fields of data-ref instead of stmt. Add init to the offset from the
10139 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
10140 (vect_update_init_of_dr): Likewise.
10141 (vect_update_inits_of_drs): Go through loads and stores in one loop.
10142 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
10144 (new_loop_vec_info): Initialize new fields.
10145 (destroy_loop_vec_info): Free new fields.
10146 (vect_strip_conversion): Remove.
10147 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
10148 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
10149 datarefs. Add new field ddrs.
10150 Add macros for the new fields access.
10151 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
10152 base_aligned_p, misalignment, memtag, ptr_info and subvars.
10153 Remove their macros.
10154 * tree.h (highest_pow2_factor): Declare.
10156 2005-07-25 Jakub Jelinek <jakub@redhat.com>
10158 * calls.c (store_one_arg): Check for sibling call MEM arguments
10159 from already clobbered incoming argument area.
10161 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10163 * c-common.c (check_missing_format_attribute): New.
10164 * c-common.h (check_missing_format_attribute): Likewise.
10165 * c-typeck.c (convert_for_assignment): Use it.
10167 2005-07-24 Andreas Schwab <schwab@suse.de>
10169 * config/m68k/m68k.md ("extendqidi2"): When source is an address
10170 register use a word move. Correct operand of ext.w in 68000 code.
10172 2005-07-23 Mark Mitchell <mark@codesourcery.com>
10174 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
10175 variables as declarations, rather than definitions.
10177 2005-07-24 Ira Rosen <irar@il.ibm.com>
10179 PR tree-optimization/22526
10180 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
10183 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10185 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
10186 that C99 reserve for future use. Use it to define clog10,
10187 clog10f and clog10l.
10189 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10191 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
10192 * configure.ac: Check for -Wmissing-format-attribute.
10194 * configure: Regenerate.
10196 2005-07-23 Richard Henderson <rth@redhat.com>
10198 PR tree-optimization/22623
10199 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
10201 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
10204 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
10206 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10208 * Makefile.in (C_TREE_H): Update dependencies.
10209 * c-tree.h: Include toplev.h.
10210 * diagnostic.h (diagnostic_set_info): Add format attribute.
10211 * rtl-error.c (diagnostic_for_asm): Likewise.
10213 2005-07-23 Chao-ying Fu <fu@mips.com>
10215 * config/mips/mips-dsp.md: New file.
10216 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
10217 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
10219 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
10220 MIPS_BUILTIN_BPOSGE32.
10221 (mips_expand_builtin_direct): Add one parameter to indicate that
10222 builtin functions need to return a value.
10223 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
10225 (mips_regno_to_class): Add classes for 12 new DSP registers.
10226 (mips_subword): Change to check four HI registers.
10227 (mips_output_move): Output move to and from 6 new DSP accumulators.
10228 (override_options): Make sure -mdsp and -mips16 are not used together.
10229 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
10231 (mips_conditional_register_usage): Disable 6 new DSP accumulators
10233 (print_operand): Add 'q' for printing DSP accumulators.
10234 (mips_cannot_change_mode_class): Check ACC_REGS.
10235 (mips_secondary_reload_class): Check ACC_REGS.
10236 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
10237 (mips_register_move_cost): Check ACC_REGS.
10238 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
10239 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
10240 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
10241 (dsp_bdesc): New array.
10242 (bdesc_arrays): Add DSP builtin function table.
10243 (mips_prepare_builtin_arg): Check predicate again after
10245 (mips_expand_builtin): Add one more parameter to
10246 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
10247 MIPS_BUILTIN_BPOSGE32.
10248 (mips_init_builtins): Initialize new function types.
10249 (mips_expand_builtin_direct): Check if builtin functions need to
10250 return a value and pass operands properly.
10251 (mips_expand_builtin_bposge): New function.
10252 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
10253 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
10254 (FIRST_PSEUDO_REGISTER): Increase to 188.
10255 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
10256 Update for 12 new DSP registers.
10257 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
10258 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
10259 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
10260 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
10261 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
10262 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
10263 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
10264 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
10265 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
10266 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
10267 (REGISTER_NAMES): Add names for 12 new DSP registers.
10268 * config/mips/mips.md: Include mips-dsp.md.
10269 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
10270 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
10271 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
10272 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
10273 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
10274 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
10275 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
10276 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
10277 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
10278 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
10279 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
10280 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
10281 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
10282 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
10283 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
10284 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
10285 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
10286 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
10287 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
10288 (UNSPEC_RDDSP): New constants.
10289 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
10290 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
10292 * config/mips/mips.opt (-mdsp): New option.
10293 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
10294 (reg_imm10_operand): New predicates.
10295 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
10296 * doc/invoke.texi (-mdsp): Document new option.
10298 2005-07-22 DJ Delorie <dj@redhat.com>
10300 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
10302 * tree-inline.c (inlinable_function_p): Likewise.
10304 2005-07-22 Mark Mitchell <mark@codesourcery.com>
10307 * toplev.c (check_global_declarations): Do not mark undefined
10308 variables as DECL_IGNORED_P.
10309 * varasm.c (first_global_object_name): GTY it.
10310 (weak_global_object_name): Likewise.
10311 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
10312 a string to go into {weak,first}_global_object_name.
10314 2005-07-22 DJ Delorie <dj@redhat.com>
10316 * c-format.c (check_function_format): Change warning control
10317 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
10319 2005-07-22 Diego Novillo <dnovillo@redhat.com>
10321 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
10322 &PTR->FLD a dereference of PTR.
10323 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
10324 a potential dereference of PTR.
10326 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
10328 PR rtl-optimization/20370
10329 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
10330 call allocate_reg_info if necessary.
10332 PR rtl-optimization/21848
10333 * calls.c (emit_library_call_value_1): For const functions, add
10334 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
10336 PR rtl-optimization/22445
10337 * cselib.c (target.h): Include.
10338 (rtx_equal_for_cselib_p): Allow commutative matches.
10339 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
10340 Remove MODE parameter. Changed all callers.
10342 PR rtl-optimization/22258
10343 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
10345 (try_combine): Use likely_spilled_retval_p.
10347 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
10349 * config.gcc: Add crx-elf support.
10351 * doc/contrib.texi: Mention crx.
10352 * doc/extend.texi: Document crx extensions.
10353 * doc/install.texi: Document crx install.
10354 * doc/invoke.texi: Document crx options.
10355 * doc/md.texi: Document crx constraints.
10357 * config/crx/crx-protos.h: New file.
10358 * config/crx/crx.c: New file.
10359 * config/crx/crx.h: New file.
10360 * config/crx/crx.md: New file.
10361 * config/crx/crx.opt: New file.
10362 * config/crx/t-crx: New file.
10364 2005-07-22 Manfred Hollstein <mh@suse.com>
10366 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
10368 (int_add_graph_edge): Likewise.
10369 (collapse_nodes): Likewise.
10370 (process_unification_queue): Likewise.
10372 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10373 Laurent GUERBY <laurent@guerby.net>
10375 PR tree-optimization/22336
10376 * function.c (record_block_change): Check for
10377 cfun->ib_boundaries_block.
10379 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
10381 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
10382 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
10384 2005-07-21 DJ Delorie <dj@redhat.com>
10386 * toplev.c (warn_deprecated_use): Add warning control to warning
10388 * c-typeck.c (parser_build_binary_op): Likewise.
10389 (c_finish_if_stmt): Likewise.
10390 * c-common.c (check_function_sentinel): Likewise.
10391 (check_nonnull_arg): Likewise.
10393 2005-07-21 Richard Henderson <rth@redhat.com>
10396 * tree-complex.c (complex_ssa_name_components): New.
10397 (cvc_lookup): Allow entry not found.
10398 (create_components): Remove.
10399 (create_one_component_var, get_component_var): New.
10400 (get_component_ssa_name, set_component_ssa_name): New.
10401 (extract_component): Use get_component_ssa_name.
10402 (update_complex_components): Use set_component_ssa_name.
10403 (update_complex_components_on_edge): Likewise.
10404 (update_phi_components): Create new PHI nodes directly, instead
10405 of adding insns to edges.
10406 (tree_lower_complex): Allocate and free complex_variable_components
10407 and complex_ssa_name_components here.
10409 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
10411 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
10412 revert to returning false.
10414 2005-07-21 Uros Bizjak <uros@kss-loka.si>
10417 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
10419 2005-07-21 Uros Bizjak <uros@kss-loka.si>
10422 * config/i386/i386.md (cmpxf): Change operand constraints
10423 to "nonmemory_operand".
10425 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10427 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
10429 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10431 PR middle-end/21180
10432 * fold-const.c (fold_build1): Add checksum for the operands.
10433 (fold_build2): Likewise.
10434 (fold_build3): Likewise.
10436 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10438 PR middle-end/19055
10439 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
10441 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10443 * common.opt (-fforward-propagate): Committed by mistake,
10446 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10448 * reg-stack.c: Fix comment typo(s).
10449 * tree-ssa-operands.c: Likewise.
10450 * tree-vectorizer: Likewise.
10452 2005-07-21 Nick Clifton <nickc@redhat.com>
10454 * config/sh/symbian.c: Replace C++ style line comments with C
10455 style line comments.
10456 (symbian_add_attribute): Do not use a ? operator on the LHS of
10458 (sh_symbian_handle_dll_attribute): Change the type of the
10459 method vector to "VEC(tree,gc)*" and use vector accessor
10460 macros to walk over the elements.
10461 (symbian_export_vtable_and_rtti_p): Likewise.
10462 (symbian_class_needs_attribute_p): Likewise.
10464 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10467 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
10468 initialize targetm.resolve_overloaded_builtin here.
10469 (altivec_expand_overloaded_builtin): Make it non-static.
10470 * config/rs6000/rs6000-protos.h
10471 (altivec_expand_overloaded_builtin): New prototype.
10472 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
10473 targetm.resolve_overloaded_builtin here.
10474 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
10476 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10477 Zdenek Dvorak <dvorakz@suse.cz>
10479 PR tree-optimization/19210
10480 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
10482 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
10483 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
10484 rely on unproven assumptions.
10485 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
10486 * tree-flow.h (number_of_iterations_exit): Add final parameter.
10487 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
10488 to number_of_iterations_exit.
10489 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
10490 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
10491 * tree-ssa-loop-niter.c (find_loop_niter,
10492 estimate_numbers_of_iterations_loop): Likewise.
10493 (number_of_iterations_exit): Honor the new options.
10494 * doc/invoke.texi (Wunsafe-loop-optimizations,
10495 funsafe-loop-optimizations): Document them.
10497 2005-07-21 Richard Sandiford <richard@codesourcery.com>
10499 PR rtl-optimization/22167
10500 * gcse.c (hoist_code): Fix hoist_exprs[] check.
10502 2005-07-20 Adam Nemet <anemet@lnxw.com>
10504 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
10505 __do_global_dtors_aux longcall.
10507 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
10509 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
10510 (old_special_pred_table): Don't reference
10511 SPECIAL_MODE_PREDICATES.
10512 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
10513 * config/arc/arc.h: Don't mention PREDICATE_CODES.
10514 * config/sh/predicates.h: Don't mention
10515 SPECIAL_MODE_PREDICATES.
10516 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
10519 2005-07-20 DJ Delorie <dj@redhat.com>
10521 * config.gcc: Add m32c-elf support.
10523 * doc/contrib.texi: Mention m32c.
10524 * doc/extend.texi: Document m32c extensions.
10525 * doc/install.texi: Mention m32c.
10526 * doc/invoke.texi: Document m32c options.
10527 * doc/md.texi: Document m32c constraints.
10529 * config/m32c/addsub.md: New file.
10530 * config/m32c/bitops.md: New file.
10531 * config/m32c/cond.md: New file.
10532 * config/m32c/jump.md: New file.
10533 * config/m32c/m32c-lib1.S: New file.
10534 * config/m32c/m32c-lib2.c: New file.
10535 * config/m32c/m32c-modes.def: New file.
10536 * config/m32c/m32c-pragma.c: New file.
10537 * config/m32c/m32c-protos.h: New file.
10538 * config/m32c/m32c.abi: New file.
10539 * config/m32c/m32c.c: New file.
10540 * config/m32c/m32c.h: New file.
10541 * config/m32c/m32c.md: New file.
10542 * config/m32c/m32c.opt: New file.
10543 * config/m32c/minmax.md: New file.
10544 * config/m32c/mov.md: New file.
10545 * config/m32c/muldiv.md: New file.
10546 * config/m32c/predicates.md: New file.
10547 * config/m32c/prologue.md: New file.
10548 * config/m32c/shift.md: New file.
10549 * config/m32c/t-m32c: New file.
10551 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10553 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
10554 (stack_protect_set, stack_protect_test): New expanders.
10555 (stack_protect_set_si, stack_protect_set_si_media,
10556 stack_protect_set_di_media, stack_protect_test_si,
10557 stack_protect_test_si_media, stack_protect_test_di_media):
10560 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
10562 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10564 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
10566 * tree.h (tree_expr_nonzero_p): Export.
10567 * fold-const.c (tree_expr_nonzero_p): Likewise.
10568 Return true for CALL_EXPRs that are alloca calls.
10569 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10571 * tree-flow.h (expr_computes_nonzero): Remove.
10572 * tree-vrp.c (expr_computes_nonzero): Remove.
10573 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10574 (extract_range_from_unary_expr): Likewise.
10575 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10576 tree_expr_nonzero_p.
10578 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
10580 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10581 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
10582 extra arg "picreg" and use it instead of pic_offset_table_rtx.
10583 All callers changed.
10584 (frame_related_constant_load): New arg "related" which controls
10585 setting of RTX_FRAME_RELATED_P. All callers changed.
10586 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10587 (bfin_expand_prologue): Add stack limit checking.
10588 * config/bfin/bfin.md (trapifcc): New pattern.
10590 * config/bfin/bfin.c: Include "langhooks.h".
10591 (def_builtin): Go through lang_hooks to call builtin_function.
10593 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10594 * config/bfin/predicates.md (symbol_ref_operand): New.
10595 (call_insn_operand): Delete. All callers changed to use
10596 register_no_elim_operand.
10597 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10599 (function_arg): Use it to generate the call's operand 2.
10600 (bfin_longcall_p): New function.
10601 (bfin_expand_call): Extra arg "cookie". All callers and declaration
10602 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
10603 determine if the address needs to be in a REG.
10604 (bfin_handle_longcall_attribute): New function.
10605 (bfin_attribute_table): Add "longcall" and "shortcall".
10606 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10607 (CUMULATIVE_ARGS): New member call_cookie.
10608 (PREDICATE_CODES): Add symbol_ref_operand.
10609 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10610 extra USE to the pattern.
10611 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10612 New patterns, split off call_insn, sibcall_insn, call_value_insn and
10613 sibcall_value_insn; now the new patterns handle direct calls and the
10614 old ones indirect calls.
10615 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10617 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
10619 * doc/trouble.texi: Update section on handling of empty loops.
10621 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
10623 * config.gcc: Remove support for sparc-*-openbsd*,
10624 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10626 * config.host: Remove support for i860-*-sysv4* as a host.
10627 * config/i860/*, config/ip2k/*, config/ns32k/*,
10628 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10629 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10630 mention obsolete ports.
10632 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10634 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10635 soft frame pointer.
10636 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10637 of frame_pointer_rtx.
10638 (sh_expand_epilogue): Likewise.
10639 (sh_set_return_address): Likewise.
10640 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10641 instead of FRAME_POINTER_REGNUM if needed. Add elimination
10642 offsets from FRAME_POINTER_REGNUM.
10643 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10644 (sh_register_names): Add initializer for sfp.
10645 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10646 (VALID_REGISTER_P): Likewise.
10647 (FIRST_PSEUDO_REGISTER): Update.
10648 (DWARF_FRAME_REGISTERS): Define.
10649 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10650 (HARD_FRAME_POINTER_REGNUM): Define.
10651 (FRAME_POINTER_REGNUM): Redefine.
10652 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10653 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
10654 from FRAME_POINTER_REGNUM.
10655 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10656 FRAME_POINTER_REGNUM.
10657 (REG_CLASS_CONTENTS): Add sfp.
10658 (REG_ALLOC_ORDER): Likewise.
10659 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
10660 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10661 of frame_pointer_rtx.
10662 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10664 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
10666 * fold-const.c (tree_expr_nonnegative_p): Only return true for
10667 ABS_EXPR when flag_wrapv is false because of INT_MIN.
10668 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10670 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10673 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
10675 Make CONSTRUCTOR use VEC to store initializers.
10676 * c-common.c (complete_array_type): Update to cope with VEC in
10678 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10679 (pp_c_constructor_elts): New function.
10680 * c-pretty-print.h (pp_c_constructor_elts): Declare.
10681 * c-typeck.c (build_function_call, build_c_cast, digest_init,
10682 struct constructor_stack, struct initializer_stack,
10683 constructor_elements, push_init_level, pop_init_level,
10684 add_pending_init, find_init_member, output_init_element): Update to
10685 cope with VEC in CONSTRUCTOR_ELTS.
10686 * coverage.c (build_fn_info_value, build_ctr_info_value,
10687 build_gcov_info): Likewise.
10688 * expr.c (categorize_ctor_elements_1, store_constructor,
10689 expand_expr_real_1): Likewise.
10690 * fold-const.c (fold_ternary): Likewise.
10691 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10692 gimplify_init_constructor, gimplify_expr): Likewise.
10693 * tree-dump.c (dequeue_and_dump): Likewise.
10694 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10696 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10698 * tree-sra.c (generate_element_init_1): Likewise.
10699 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10700 * tree-ssa-operands.c (get_expr_operands): Likewise.
10701 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10702 * tree-vect-transform.c (vect_get_vec_def_for_operand):
10703 (get_initial_def_for_reduction): Likewise.
10704 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10705 value handle in annotations.
10706 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10707 tree_node_structure): Add support for constr_kind.
10708 (build_vector_from_ctor, build_constructor_single,
10709 build_constructor_from_list): New functions.
10710 (build_constructor): Update to take a VEC instead of a TREE_LIST.
10711 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10712 Update to cope with VEC in CONSTRUCTOR_ELTS.
10713 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10714 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10715 CONSTRUCTOR_APPEND_ELT): New macros.
10716 (struct constructor_elt, struct tree_constructor): New data types.
10717 (union tree_node): Add tree_constructor field.
10718 * treestruct.def: Define TS_CONSTRUCTOR.
10719 * varasm.c (const_hash_1, compare_constant, copy_constant,
10720 compute_reloc_for_constant, output_addressed_constants,
10721 initializer_constant_valid_p, output_constant,
10722 array_size_for_constructor, output_constructor): Update to cope with
10723 VEC in CONSTRUCTOR_ELTS.
10724 * vec.h (VEC_empty, VEC_copy): New macros.
10726 2005-07-19 Devang Patel <dpatel@apple.com>
10728 * dbxout.c (dbxout_type): Check Objective-C++ lang.
10730 2005-07-19 Richard Henderson <rth@redhat.com>
10733 * gimplify.c (gimplify_expr): Use main variant type for the temp
10734 destination for a discarded volatile read.
10735 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10736 casts between non-void types that change volatility.
10738 2005-07-15 DJ Delorie <dj@redhat.com>
10740 * toplev.h: Add comment about the first parameter for warning().
10741 * errors.h: Likewise.
10743 * c.opt (Wpragmas): New.
10744 * doc/invoke.texi: Document it.
10746 * function.c (do_warn_unused_parameter): Add warning control to
10748 * c-decl.c (warn_if_shadowing): Likewise.
10749 * c-lex.c (cb_def_pragma): Likewise.
10750 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10751 (pop_alignment): Likewise.
10752 (handle_pragma_pack): Likewise.
10753 (apply_pragma_weak): Likewise.
10754 (handle_pragma_weak): Likewise.
10755 (handle_pragma_redefine_extname): Likewise.
10756 (add_to_renaming_pragma_list): Likewise.
10757 (handle_pragma_extern_prefix): Likewise.
10758 (maybe_apply_renaming_pragma): Likewise.
10759 (handle_pragma_visibility): Likewise.
10761 * config/c4x/c4x-c.c (BAD): Likewise.
10762 (c4x_parse_pragma): Likewise.
10763 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10764 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10765 (rs6000_pragma_longcall): Likewise.
10766 * config/v850/v850-c.c (pop_data_area): Likewise.
10767 (ghs_pragma_section): Likewise.
10768 (ghs_pragma_section): Likewise.
10769 (ghs_pragma_interrupt): Likewise.
10770 (ghs_pragma_starttda): Likewise.
10771 (ghs_pragma_startsda): Likewise.
10772 (ghs_pragma_startzda): Likewise.
10773 (ghs_pragma_endtda): Likewise.
10774 (ghs_pragma_endsda): Likewise.
10775 (ghs_pragma_endzda): Likewise.
10777 2005-07-19 Danny Berlin <dberlin@dberlin.org>
10778 Kenneth Zadeck <zadeck@naturalbridge.com>
10780 * Makefile.in: Removed tree-promote-statics.c
10781 * tree-promote-statics.c: Removed.
10782 * common.opt: Removed flag-promote-statics.
10784 * passes.c: Removed tree-promote-statics pass.
10785 * tree-pass.h: Ditto.
10786 * timevar.def: Removed TV_PROMOTE_STATICS.
10789 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
10791 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10793 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10795 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10798 * c-common.c (check_function_arguments): Call
10799 'check_function_format' if either -Wformat or
10800 -Wmissing-format-attribute are specified.
10801 * c-format.c (check_function_format): Check -Wformat before
10802 calling 'check_format_info'.
10803 * c-opts.c (c_common_post_options): Don't warn for
10804 -Wmissing-format-attribute without -Wformat.
10805 * c-typeck.c (convert_for_assignment): Detect additional cases for
10806 -Wmissing-format-attribute.
10807 * doc/invoke.texi (-Wmissing-format-attribute): Document new
10810 2005-07-19 Richard Guenther <rguenther@suse.de>
10812 * config/i386/i386.md (lrint<mode>2): Use temporary
10813 instead of clobbering non-existent memory.
10815 2005-07-19 Nick Clifton <nickc@redhat.com>
10817 * config/avr/avr.c (legitimate_address_p): Fix debugging print
10818 statement to avoid displaying ASCII control characters.
10820 2005-07-19 Ben Elliston <bje@au.ibm.com>
10822 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10823 * cfganal.c (find_edge_index): Ditto.
10824 * combine.c (combine_instructions): Ditto.
10825 * ddg.c (create_scc): Ditto.
10826 (find_successors): Ditto.
10827 (find_predecessors): Ditto.
10828 (find_nodes_on_paths): Ditto.
10829 (longest_simple_path): Ditto.
10830 * flow.c (update_life_info): Ditto.
10831 (count_or_remove_death_notes): Ditto.
10832 (clear_log_links): Ditto.
10833 * modulo-sched.c (generate_reg_moves): Ditto.
10834 (find_max_asap): Ditto.
10835 (find_max_hv_min_mob): Ditto.
10836 (find_max_dv_min_mob): Ditto.
10837 * sbitmap.c (sbitmap_first_set_bit): Ditto.
10838 * sched-rgn.c (extract_edgelst): Ditto.
10839 * tree-into-ssa.c (prepare_names_to_update): Ditto.
10840 (dump_update_ssa): Ditto.
10841 (ssa_names_to_replace) Ditto.
10842 (switch_virtuals_to_full_rewrite): Ditto.
10843 (update_ssa): Ditto.
10844 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10846 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
10848 Fix PR tree-optimization/22483
10850 * tree-complex.c (create_components): Use
10851 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10852 * tree-flow-inline.h (fill_referenced_var_vec): New function.
10853 * tree-flow.h (safe_referenced_var_iterator): New structure.
10854 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10855 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10856 safe_referenced_var iterator.
10857 (add_type_alias): Ditto.
10859 2005-07-19 Steven Bosscher <stevenb@suse.de>
10861 * loop-init.c (rest_of_handle_loop2): Remove.
10862 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10863 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10864 (pass_rtl_loop_init, pass_rtl_loop_done,
10865 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10866 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10867 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10868 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10869 pass_tree_loop_done, and pass_tree_unswitch.
10870 (gate_loop): Rename to gate_tree_loop.
10871 * passes.c (init_optimization_passes): Update for renamed tree
10872 loop passes. Add the new loop2 passes as subpasses of loop2.
10873 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10874 Update for the renamed tree loop passes.
10876 2005-07-18 Ian Lance Taylor <ian@airs.com>
10878 PR middle-end/22057
10879 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10880 blocks when optimizing.
10882 2005-07-18 Steve Ellcey <sje@cup.hp.com>
10884 * common.opt (frename-registers): Initialize to 2.
10886 (fgcse-after-reload): Ditto.
10887 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10888 (process_options): Only change flag_web, flag_rename_registers,
10889 and flag_rerun_cse_after_loop if not explicitly set by user.
10891 2005-07-18 Jan Beulich <jbeulich@novell.com>
10893 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10894 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10895 in 64-bit mode the same as DImode in 32-bit mode.
10896 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10897 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10898 mode. Add new mode parameter.
10899 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10900 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10901 x86_64_shift_adj): New expanders.
10902 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10903 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10905 Respective new splitters. Use renamed shift splitter helpers in 32-bit
10906 DImode shift splitters.
10907 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10908 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10911 2005-07-18 Jan Beulich <jbeulich@novell.com>
10913 * i386.md (movdi_extzv_1): New.
10914 (zero_extendhidi2): Combine alternatives and never force use of
10916 (zero_extendqidi2): Likewise. Don't restrict input selection.
10918 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10920 Fix PR tree-optimization/22531
10921 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
10924 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10926 * tree-promote-statics.c (pass_promote_statics): Change dump file
10929 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10931 * tree-optimize.c (init_tree_optimization_passes): Add
10932 pass_eliminate_useless_stores pass.
10933 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10934 * tree-ssa-pre.c (is_copy_stmt): New function.
10935 (follow_copies_till_vuse): Ditto.
10936 (do_eustores): Ditto.
10937 (gate_eustores): Ditto.
10939 2005-07-16 Richard Henderson <rth@redhat.com>
10941 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10943 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10944 Kenneth Zadeck <zadeck@naturalbridge.com>
10946 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10947 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10948 ipa-type-escape.h, tree-promote-statics.c
10949 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10950 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10951 tree-promote-statics.c: new files.
10952 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10953 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10954 int nonlocal_set_p, mark_constant_function): Deleted.
10955 (rest_of_handle_cfg): Removed call to mark_constant_function.
10956 (nonoverlapping_component_refs_p): Added calls to support
10957 type based aliasing.
10958 * tree-ssa-alias.c (may_alias_p,
10959 compute_flow_insensitive_aliasing): Ditto.
10960 * calls.c (flags_from_decl_or_type): Removed reference to
10962 * c-typeck.c (convert_arguments): Make builtins tolerant of having
10963 too many arguments. This is necessary for Spec 2000.
10964 * cgraph.h (const_function, pure_function): Removed.
10965 * common.opt: Added "fipa-pure-const", "fipa-reference",
10966 "fipa-type-escape", and "ftree-promote-static".
10968 * passes.c: Added ipa and tree-promote-statics passes.
10969 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10970 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10971 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10972 * tree-flow.h: Added exposed sra calls and addition of
10973 reference_vars_info field for FUNCTION_DECLS.
10974 * tree-pass.h: Added passes.
10975 * tree-sra.c: (sra_init_cache): New function.
10976 (sra_insert_before, sra_insert_after) Made public.
10977 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10979 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10980 aliasing. (may_alias_p): Added code to use type escape analysis to
10981 improve alias sets.
10982 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10983 code to prune clobbers of static variables based on information
10984 produced in ipa-reference pass. Changed call clobbering so that
10985 statics are not marked as clobbered if the call does not clobber
10988 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
10990 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10993 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10995 * doc/install.texi (*-*-solaris2*): Document recommended version
10996 of GNU binutils and mention GNU linker problem on Solaris 10.
10998 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
11001 * c-decl.c (c_build_bitfield_integer_type): New function.
11002 (finish_struct): Call it.
11003 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
11005 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11007 * c-typeck.c (digest_init): Call 'convert_for_assignment'
11010 2005-07-16 Jan Hubicka <jh@suse.cz>
11012 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
11013 (scale_bbs_frequencies_int): Watch roundoff errors.
11014 * predict.c (return_prediction): Initialize return_stmt.
11016 2005-07-16 Jan Hubicka <jh@suse.cz>
11018 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
11019 after RTL profiling.
11021 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
11023 PR middle-end/22398
11024 * fold-const.c (build_range_check): Convert high/low to etype
11025 if we are only comparing against exp.
11027 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
11029 Fix PR tree-optimization/22376
11030 * tree-ssa-structalias.c (build_constraint_graph): We really meant
11032 (need_to_solve): New function.
11033 (compute_points_to_sets): Use it.
11035 2005-07-15 Jan Hubicka <jh@suse.cz>
11037 * cfg.c (update_bb_profile_for_threading): More diagnostic.
11038 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
11040 2005-07-15 Richard Guenther <rguenther@suse.de>
11042 * c-common.c (handle_flatten_attribute): New function.
11043 Add flatten function attribute.
11044 * doc/extend.texi: Document flatten function attribute.
11045 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
11046 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
11048 (cgraph_decide_inlining): Handle functions with flatten
11051 2005-07-14 David Edelsohn <edelsohn@gnu.org>
11053 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
11054 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
11055 UNSPEC_XCHG, UNSPEC_AND): New.
11056 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
11057 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
11058 * config/rs6000/sync.md (FETCHOP): New code macro.
11059 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
11061 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
11062 (sync_compare_and_swap<mode>): Same.
11063 (sync_lock_test_and_set<mode>): Same.
11064 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
11065 for QImode and HImode, and not PPC405.
11066 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
11067 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
11068 (sync_<fetchop>{si,di}_internal): New.
11069 (sync_nand{si,di}_internal): New.
11070 (sync_old_<fetchop>{si,di}_internal): New.
11071 (sync_old_nand{si,di}_internal): New
11072 (sync_new_<fetchop>{si,di}_internal): New.
11073 (sync_new_nand{si,di}_internal): New.
11074 (atomic_and{si,di}): New.
11075 (sync_new_nand{si,di}_internal): New.
11076 (atomic_and{si,di}): New.
11077 (sync_add<mode>_internal): Delete.
11078 (sync_addshort_internal): Use unspec instead of unspec_volatile.
11079 (sync_sub<mode>_internal): Delte.
11080 (sync_subshort_internal): New.
11081 (sync_andsi_internal): Use unspec instead of unspec_volatile.
11082 (sync_anddi_internal): Delete.
11083 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
11084 (sync_booldi_internal): Delete.
11085 (sync_boolc<mode>_internal): Delete.
11086 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
11087 (sync_boolc<mode>_internal2): Delete.
11088 (sync_boolcc<mode>_internal): Delete.
11089 (isync, lwsync): Use unspec instead of unspec_volatile.
11090 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
11091 Revert UNSPEC_VOLATILE.
11092 (rs6000_split_atomic_op): New.
11093 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
11095 2005-07-14 Eric Christopher <echristo@redhat.com>
11097 * config/mips/mips.c (mips_canonicalize_comparison): Cast
11098 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
11100 2005-07-14 Eric Christopher <echristo@redhat.com>
11102 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
11104 2005-07-14 Steven Bosscher <stevenb@suse.de>
11106 PR tree-optimization/22230
11107 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
11108 the computation of the four cross productions for "range op range".
11110 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
11111 Ulrich Weigand <uweigand@de.ibm.com>
11114 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
11117 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
11119 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
11121 2005-07-14 Steve Ellcey <sje@cup.hp.com>
11123 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
11125 2005-07-14 Richard Guenther <rguenther@suse.de>
11127 PR middle-end/22347
11128 * config/i386/i386-protos.h (ix86_function_value): Change
11129 prototype to match new target hook.
11130 * config/i386/i386.c (ix86_value_regno): Change prototype
11131 to take extra type argument.
11132 (TARGET_FUNCTION_VALUE): Define.
11133 (ix86_function_ok_for_sibcall): Pass extra argument to
11134 ix86_value_regno, check return slot rtx for exact match.
11135 (ix86_function_value): Take extra parameter. Dispatch to
11136 ix86_value_regno with fndecl/fntype as provided.
11137 (ix86_value_regno): Handle extra type argument.
11138 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
11140 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
11141 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
11142 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
11143 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
11144 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
11146 2005-07-14 Richard Guenther <rguenther@suse.de>
11148 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
11149 * calls.c (expand_call): Pass fntype to hard_function_value.
11150 (emit_library_call_value_1): Likewise.
11151 * explow.c: Include target.h.
11152 (hard_function_value): Take extra argument, the fntype.
11153 Use new target hook for function_value.
11154 * expr.h (hard_function_value): Change prototype.
11155 * function.c (aggregate_value_p): Pass 0 as fntype to
11156 hard_function_value.
11157 (assign_parms): Use new target hook for function_value.
11158 Pass 0 as fntype to hard_function_value.
11159 (expand_function_end): Likewise.
11160 * reg-stack.c: Include target.h.
11161 (stack_result): Use new target hook for function_value.
11162 * target-def.h: New target hook function_value.
11163 * target.h: Likewise.
11164 * targhooks.c (default_function_value): New function.
11165 * targhooks.h (default_function_value): Declare.
11167 2005-07-13 Ian Lance Taylor <ian@airs.com>
11169 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
11171 2005-07-14 Jan Hubicka <jh@suse.cz>
11173 * tree-dfa.c (dump_variable): Use default_def function.
11174 * tree-ssa-alias.c (dump_points_to_info): Likewise.
11175 * tree-ssa.c (verify_use): Likewise.
11176 * tree-ssanames.c (release_ssa_name): Likewise.
11177 * tree-tailcall.c (eliminate_tail_call): Likewise.
11178 (tree_optimize_tail_calls_1): Likewise.
11179 * tree-vrp.c (get_value_range): Likewise.
11181 2005-07-14 Ben Elliston <bje@au.ibm.com>
11183 * gcc.c (main): Compare language[0] with '*' when iterating over
11186 2005-07-13 Adrian Straetling <straetling@de.ibm.com>
11188 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
11189 "s390_emit_compare". Add handling of CCZ1mode.
11190 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
11191 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
11193 (s390_branch_condition_mask): Add CCZ1mode handling.
11194 * config/s390/s390.md: ("seq", "*seq"): New pattern.
11195 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
11196 Use CCZ1mode instead of CCZmode.
11197 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
11199 2005-07-13 Adrian Straetling <straetling@de.ibm.com>
11201 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
11203 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
11205 2005-07-13 Eric Christopher <echristo@redhat.com>
11207 * config/mips/mips.c (mips_canonicalize_comparison): New.
11208 (mips_emit_int_relational): Use.
11210 2005-07-13 Eric Christopher <echristo@redhat.com>
11212 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11213 static extra parts.
11214 * config/s390/s390.md: Include tpf.md. Move tpf specific
11216 * config/s390/tpf.md: To here.
11217 * config/s390/s390.opt: Move tpf specific options...
11218 * config/s390/tpf.opt: to here. Add mmain option.
11219 * config/s390/tpf-unwind.h: Remove unnecessary defines.
11220 * config/s390/tpf.h: Rewrite.
11222 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
11224 * doc/tm.texi: Remove @xref{Cross-profiling}.
11226 2005-07-13 Jeff Law <law@redhat.com>
11228 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
11229 expressions, test their _DECL operands for pointer equality rather
11230 than using operand_equal_p.
11232 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
11234 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
11235 (TARGET_POSIX_IO): This.
11236 * config/darwin.h: Likewise.
11237 * config/freebsd.h: Likewise.
11238 * config/linux.h: Likewise.
11239 * config/lynx.h: Likewise.
11240 * config/netbsd.h: Likewise.
11241 * config/rs6000/linux64.h: Likewise.
11242 * config/rs6000/linux.h: Likewise.
11243 * config/s390/tpf.h: Likewise.
11244 * config/sh/embed-elf.h: Likewise.
11245 * config/sparc/linux64.h: Likewise.
11246 * config/sparc/linux.h: Likewise.
11247 * config/svr4.h: Likewise.
11248 * gcov-io.h: Likewise.
11250 * doc/tm.texi: Updated.
11252 * libgcov.c (create_file_directory): Defined only if
11253 TARGET_POSIX_IO is defined.
11254 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
11257 2005-07-13 Jan Hubicka <jh@suse.cz>
11259 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
11261 2005-07-13 David Edelsohn <edelsohn@gnu.org>
11263 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
11264 structure as argument.
11266 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
11268 PR tree-optimization/21921
11269 * tree-iterator.c (tsi_link_before): Support the case when
11270 tsi_end_p (tsi) == true.
11272 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11274 PR tree-optimization/22442
11275 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
11278 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11280 PR rtl-optimization/20376
11281 * toplev.c (process_options): Enable -fweb and -frename-registers when
11283 * doc/invoke.texi: Update the information about when -fweb and
11284 -frename-registers are enabled.
11286 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11289 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
11290 if *rhs_p is not a SSA_NAME.
11292 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
11294 Fix PR tree-optimization/22422
11295 * tree-ssa-structalias.c (struct variable_info): Add flag for
11297 (get_varinfo): Now a static function.
11298 (new_varinfo): init has_union and is_special_var to false.
11299 (solution_set_add): Check has_union.
11300 (do_da_constraint): Move temporary variable so it gets reset
11302 Also check for special variable.
11303 (do_ds_constraint): Ditto.
11304 (do_sd_constraint): Ditto.
11305 (do_structure_copy): Check for special variable.
11306 (find_func_aliases): Ditto.
11307 (init_base_vars): Set special vars properly.
11309 2005-07-13 Jan Hubicka <jh@suse.cz>
11311 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
11314 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
11315 (get_expr_operands): Fix thinko wrt flags and subvars.
11317 PR tree-optimize/22379
11318 * tree-inline.c (expand_call_inline): Do not output sorry in early
11321 2005-07-12 Dale Johannesen <dalej@apple.com>
11323 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
11325 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11328 * host-linux.h: Include limits.h.
11330 2005-07-12 Dale Johannesen <dalej@apple.com>
11332 * expr.c (compress_float_constant): Add cost check.
11333 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
11335 2005-07-12 Dale Johannesen <dalej@apple.com>
11337 * gcc.target/i386/compress-float-sse.c: New.
11338 * gcc.target/i386/compress-float-sse-pic.c: New.
11339 * gcc.target/i386/compress-float-387.c: New.
11340 * gcc.target/i386/compress-float-387-pic.c: New.
11341 * gcc.dg/compress-float-ppc.c: New.
11342 * gcc.dg/compress-float-ppc-pic.c: New.
11344 2005-07-12 Eric Christopher <echristo@redhat.com>
11346 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11347 static extra parts.
11348 * config/s390/s390.md: Include tpf.md. Move tpf specific
11350 * config/s390/tpf.md: To here.
11351 * config/s390/s390.opt: Move tpf specific options...
11352 * config/s390/tpf.opt: to here. Add mmain option.
11353 * config/s390/tpf-unwind.h: Remove unnecessary defines.
11354 * config/s390/tpf.h: Rewrite.
11356 2005-07-12 Eric Christopher <echristo@redhat.com>
11358 * gcc.c (struct infile): Update comment for language.
11359 (main): Rewrite input file resetting code.
11361 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11364 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
11365 requiring a cast in a non RHS of modify_expr. Add a cast when required.
11366 (lookup_avail_expr): Use constant_boolean_node instead
11367 of boolean_false_node/boolean_true_node.
11369 2005-07-12 Ben Elliston <bje@au.ibm.com>
11371 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
11372 and use it when printing num_edges.
11374 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
11376 * doc/extend.texi (Blackfin Built-in Functions): New section.
11377 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
11380 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
11382 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
11383 s/cmpstrsi/cmpstrnsi
11384 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
11386 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
11387 (init_optabs): Initialize cmpstrn_optab.
11388 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
11389 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
11390 * expr.c: (enum insn_code cmpstrn_optab): Declare.
11391 * config/i386/i386.md: s/cmpstr/cmpstrn
11392 * config/c4x/c4x.md: s/cmpstr/cmpstrn
11393 * doc/md.texi: Update documentation.
11395 2005-07-11 Richard Henderson <rth@redhat.com>
11397 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
11398 build_va_arg_indirect_ref.
11399 (alpha_gimplify_va_arg): Likewise.
11400 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
11401 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11402 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
11403 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
11404 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11405 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
11407 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11409 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11411 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
11412 * passes.c (init_optimization_passes): Add pass_empty_loop.
11413 * tree-pass.h (pass_empty_loop): Declare.
11414 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
11415 try_remove_empty_loop, remove_empty_loops): New functions.
11416 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
11417 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
11419 2005-07-12 Peter Barada <peter@the-baradas.com>
11421 PR middle-end/16719
11422 PR middle-end/18421
11423 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
11424 in address registers.
11425 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
11426 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
11427 alternative of addsi3_5200.
11429 2005-07-11 Ian Lance Taylor <ian@airs.com>
11431 * config/mips/mips.md (ffs<mode>2): Remove.
11433 2005-07-11 Ian Lance Taylor <ian@airs.com>
11435 * doc/tree-ssa.texi (Cleanups): Improve description of
11437 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
11439 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
11441 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
11442 * tree.h (DECL_ARGUMENT_FLD): New macro.
11444 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
11446 Fix PR tree-optimization/22404
11448 * tree-ssa-structalias.c (create_variable_info_for): Use
11451 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
11453 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
11454 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
11455 for second comparison operand.
11456 * config/bfin/predicates.md (reg_or_const_int_operand): New.
11458 * config/bfin/bfin.md (define_attr "type"): Add "sync".
11459 (define_insn_reservation "alu"): Likewise.
11460 (csync, ssync): Now of type sync.
11461 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
11462 -mcsync-anomaly -mspecld-anomaly.
11463 * config/bfin/bfin.opt (mcsync): Remove.
11464 (mcsync-anomaly, mspecld-anomaly): Add.
11465 * config/bfin/bfin.c: Include "insn-codes.h".
11466 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
11467 (TARGET_DEFAULT_TARGET_FLAGS): New.
11468 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
11470 2005-07-11 Steven Bosscher <stevenb@suse.de>
11472 * basic-block.h: Give the BB flags enum a name, bb_flags.
11473 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
11474 * cfgcleanup.c (enum bb_flags): Remove here.
11475 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
11476 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
11477 (update_forwarder_flag): Likewise.
11478 (thread_jump): Likewise.
11479 (try_forward_edges): Likewise.
11480 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
11481 forwarder flags. Don't clear bb->aux for all basic blocks. Only
11482 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
11484 2005-07-11 Richard Guenther <rguenther@suse.de>
11486 * config/i386/i386.opt: New target option -msseregparm.
11487 * config/i386/i386.c (override_options): Error out for
11488 -msseregparm but no SSE support.
11489 (ix86_function_sseregparm): Check for global sseregparm.
11490 * doc/invoke.texi: Document -msseregparm.
11492 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11494 * config.gcc (m32r-*-linux*): Use the default extra_parts.
11495 (m32rle-*-linux*): Ditto.
11497 2005-07-11 Jakub Jelinek <jakub@redhat.com>
11499 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
11500 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
11503 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11505 PR middle-end/22239
11507 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
11508 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
11510 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
11512 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
11513 (varmap): Heapify varmap.
11514 (constraints): Heapify constraints.
11515 (struct constraint_graph): Heapify succs and preds.
11516 (constraint_vec_find): Update for heapification.
11517 (constraint_set_union): Ditto.
11518 (insert_into_complex): Ditto.
11519 (constraint_edge_vec_find): Ditto.
11520 (erase_graph_self_edge): Ditto.
11521 (add_graph_edge): Ditto.
11522 (get_graph_weights): Ditto.
11523 (merge_graph_nodes): Ditto.
11524 (build_constraint_graph): Ditto.
11525 (topo_visit): Ditto.
11526 (solve_graph): Ditto.
11527 (create_variable_info_for): Ditto.
11528 (init_base_vars): Ditto.
11529 (delete_points_to_sets): Free graph, varmap, and complex constraints.
11530 (condese_varmap_nodes): Free complex vector.
11531 (clear_edges_for_node): Clear succs and preds vector.
11533 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
11535 * tree-ssa-structalias.c (update_alias_info): Change counting of
11536 references to not include vdefs.
11538 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
11540 * tree-ssa-alias.c (free_used_part_map): Add missing free.
11541 (up_insert): Ditto.
11543 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11545 * pa.c (pa_commutative_p): Make PLUS commutative when
11546 TARGET_NO_SPACE_REGS is true.
11548 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11550 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
11551 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
11552 * tree-dfa.c (dump_subvars_for): New.
11553 (debug_subvars_for): New.
11554 (dump_variable): Show subvariables if VAR has them.
11555 * tree-flow-inline.h (get_subvar_at): New.
11556 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
11557 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
11559 (struct subvar): Change fields offset and size to unsigned
11561 (dump_subvars_for): Declare.
11562 (debug_subvars_for): Declare.
11563 (get_subvar_at): Declare.
11564 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11565 to unsigned HOST_WIDE_INT *.
11566 (overlap_subvar): Likewise.
11567 * tree-gimple.c (is_gimple_reg): Always return false for
11568 SFTs and memory tags.
11569 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11570 Update all callers.
11571 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11572 (compute_may_aliases): Call compute_points_to_sets.
11573 (collect_points_to_info_for): Remove.
11574 (compute_points_to_and_addr_escape): Remove.
11575 (delete_alias_info): Call delete_points_to_sets.
11576 (compute_flow_sensitive_aliasing): If the call to
11577 find_what_p_points_to returns false, call set_pt_anything.
11578 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11579 (set_pt_anything): Clear pi->pt_vars.
11580 (set_pt_malloc): Remove.
11581 (merge_pointed_to_info): Remove.
11582 (add_pointed_to_expr): Remove.
11583 (add_pointed_to_var): Remove.
11584 (collect_points_to_info_r): Remove.
11585 (is_escape_site): Make extern.
11587 (create_overlap_variables_for): Call it.
11588 * tree-ssa-copy.c (merge_alias_info): Never merge
11589 flow-sensitive alias information.
11590 * tree-ssa-operands.c (get_expr_operands): Adjust variables
11591 offset and size to be unsigned HOST_WIDE_INT.
11592 (add_to_addressable_set): Rename from note_addressable.
11593 Set TREE_ADDRESSABLE as the variables are added to the set.
11595 (add_stmt_operand): Do not try to micro-optimize unmodifiable
11596 operands into VUSEs when adding V_MAY_DEFs for members in an
11598 * tree-ssa-operands.h (add_to_addressable_set): Declare.
11599 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11600 (struct variable_info): Add bitfield is_heap_var.
11601 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11602 (new_var_info): Initialize is_heap_var.
11603 (get_constraint_for): Add HEAP variables to the symbol table.
11604 Mark them with is_heap_var.
11605 (update_alias_info): New. Taken mostly from the old
11606 compute_points_to_and_addr_escape.
11607 (handle_ptr_arith): New.
11608 (find_func_aliases): Call update_alias_info.
11609 Call handle_ptr_info for tcc_binary expressions.
11610 Call mark_stmt_modified.
11611 (create_variable_info_for): If DECL has subvars, do not create
11612 variables for its subvars. Always add all the fields.
11613 (set_uids_in_ptset): If the solution includes ANYOFFSET and
11614 SFTs, then add all the SFTs of the structure.
11615 If VI->DECL is an aggregate with subvariables, add the SFT at
11617 (find_what_p_points_to): If VI is an artificial variable,
11618 translate to bitfields in SSA_NAME_PTR_INFO.
11619 If the solution is empty, set pi->pt_vars to NULL
11620 (init_base_vars): Create ANYOFFSET.
11621 (compute_points_to_sets): Rename from create_alias_vars.
11623 (pass_build_pta): Remove.
11624 (delete_points_to_sets): Rename from delete_alias_vars.
11625 (pass_del_pta): Remove.
11626 * tree-ssa-structalias.h (struct alias_info): Move from
11628 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11629 NUM_REFERENCES_SET): Likewise.
11630 (compute_points_to_sets, delete_points_to_sets): Declare.
11632 2005-07-09 Richard Henderson <rth@redhat.com>
11634 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11635 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11636 alpha_split_lock_test_and_set_12): New functions.
11637 * config/alpha/alpha-protos.h: Update.
11638 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11639 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11640 * config/alpha/sync.md (I12MODE): New.
11641 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11642 (sync_<fetchop_name><I48MODE>): Likewise.
11643 (sync_nand<I48MODE>): Likewise.
11644 (sync_old_<fetchop_name><I48MODE>): Likewise.
11645 (sync_new_<fetchop_name><I48MODE>): Likewise.
11646 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11647 (sync_compare_and_swap<I48MODE>): Likewise.
11648 (sync_lock_test_and_set<I48MODE>): Likewise.
11649 (sync_compare_and_swap<I12MODE>): New.
11650 (sync_compare_and_swap<I12MODE>_1): New.
11651 (sync_lock_test_and_set<I12MODE>): New.
11652 (sync_lock_test_and_set<I12MODE>_1): New.
11654 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11658 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11660 2005-07-09 Jakub Jelinek <jakub@redhat.com>
11662 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11663 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11665 2005-07-09 Richard SAndiford <richard@codesourcery.com>
11668 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11670 2005-07-08 David Edelsohn <edelsohn@gnu.org>
11672 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11673 memory_operand constraint.
11674 (store_conditional_<mode>): Same.
11675 (sync_compare_and_swap<mode>): Same.
11676 (sync_lock_test_and_set<mode>): Same.
11678 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
11680 Rewrite PIC support to more closely model actual instructions.
11681 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11682 (cris_symbol): Remove prototypes for removed functions.
11683 (cris_pic_symbol_type_of, cris_valid_pic_const)
11684 (cris_expand_pic_call_address): Prototypes for new functions.
11685 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11687 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11689 <case ':'>: Add case for new punctuation character.
11690 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11691 emitting (extra) PIC modifier.
11692 <case UNSPEC>: Do not assert for PLT.
11693 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11694 (cris_expand_prologue, cris_expand_epilogue): Check
11695 for pic_offset_table_rtx usage instead of taking
11696 current_function_uses_pic_offset_table as the final word.
11697 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11698 Remove flag_pic difference.
11699 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11700 the moral equivalents of...
11701 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11703 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11704 (cris_handle_option): Mark ARG as unused.
11705 (cris_expand_pic_call_address): New worker function for "call",
11707 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11708 output PIC constructs here.
11709 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11710 as symbol-specific modifers, not whole or part of operands.
11711 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11712 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11713 constants and flag_pic.
11714 (CONSTANT_INDEX_P): Adjust for new functions.
11715 (enum cris_pic_symbol_type): New helper type.
11716 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11717 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11718 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11720 ("movsi"): Emit actual instructions for GOT and relative access.
11721 ("*movsi_got_load"): New pattern to set up the register holding
11723 ("*movsi_internal"): Operand 1 is not a plain general_operand.
11724 Adjust FIXME for 'S'.
11725 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11726 Use "movs" for -fpic cases.
11727 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11728 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11729 ("call", "call_value"): Just call cris_expand_pic_call_address for
11731 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11732 Remove special pattern.
11733 ("*expanded_call_side", "*expanded_call_value_side"): New
11735 (gotplt-to-plt, gotplt-to-plt-side-call)
11736 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11738 * config/cris/cris/predicates.md
11739 ("cris_general_operand_or_gotless_symbol"): Remove unused
11741 ("cris_general_operand_or_symbol"): Adjust for new functions.
11743 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11745 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11747 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
11749 * Makefile.in (TREE_H): Add treestruct.def.
11750 (c-decl.o): Add pointer-set.h
11751 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11752 visibility on regular DECL's.
11753 (merge_decls): Fix the copying of decl nodes of various types for
11754 the new structures. Don't update RTL, section name, weak status,
11755 etc, on DECL's without RTL.
11756 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11757 Don't check volatile on non-variable types.
11758 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11759 to check whether we have seen arguments.
11760 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11761 flag is checked before field (flag is common, field is not).
11762 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
11763 TS_DECL_COMMON could have an origin.
11764 (add_location_or_const_value_attribute): Don't check section name
11765 on non-var/function decls.
11766 (dwarf2out_var_location): Reverse order of tests.
11767 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11768 with DECL_WRTL_CHECK.
11769 * expmed.c (make_tree): rtl is now in decl_with_rtl.
11770 * fold-const.c (fold_binary): Don't check weakness on
11771 non-var/function decls.
11772 (tree_expr_nonzero_p): Ditto.
11773 (fold_checksum_tree): Use tree_decl_extra as sizeof
11775 * ggc-page.c (extra_order_size_table): Add sizes for
11776 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
11778 * gimplify.c (gimplify_bind_expr): Only set
11779 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11780 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11782 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11783 * langhooks.h (init_ts). New langhook.
11784 * passes.c (rest_of_decl_compilation): Reverse order of tests.
11785 * print-tree.c (print_node): Update to only print fields that
11786 exist in the structures the passed decl has.
11787 * toplev.c (wrapup_global_declarations): Don't reset
11788 DECL_DEFER_OUTPUT on DECL's that don't contain it.
11789 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11790 * tree-inline.c (remap_decl): Ditto.
11791 * tree-outof-ssa.c (create_temp): Reverse order of tests.
11792 * tree-pretty-print.c (print_declaration): Don't print
11793 DECL_REGISTER on things that don't contain it.
11794 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11795 non-var/function decls.
11796 * tree.c (tree_contains_struct): New structure.
11797 (init_priority_for_decl): New hashtable.
11798 (tree_int_map): New structure.
11799 (tree_int_map_eq): New function.
11800 (tree_int_map_marked_p): Ditto.
11801 (tree_int_map_hash): Ditto.
11802 (tree_map): Move to tree.h.
11803 (tree_map_eq): Externalize.
11804 (tree_map_hash): Ditto.
11805 (tree_map_marked_p): Ditto.
11806 (init_ttree): Set up tree_contains_struct and call langhook.
11807 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11808 (tree_code_size): Update for new structures.
11809 (tree_node_structure): Update for new structures.
11810 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11812 (copy_node_stat): Copy init priority.
11813 (build_decl_stat): Ditto for visibility.
11814 (ts_enum_names): New.
11815 (tree_contains_struct_check_failed): New function.
11816 (decl_init_priority_lookup): Ditto.
11817 (decl_init_priority_insert): Ditto.
11818 * treestruct.def: New file.
11819 * tree.h (CODE_CONTAINS_STRUCT): New macro.
11820 (CONTAINS_STRUCT_CHECK): Ditto.
11821 (tree_contains_struct_check_failed): New prototype.
11822 (DECL_CHECK): Removed.
11823 (DECL_MINIMAL_CHECK): New.
11824 (DECL_COMMON_CHECK): Ditto.
11825 (DECL_WRTL_CHECK): Ditto.
11826 (DECL_NON_COMMON_CHECK): Ditto.
11827 (DECL_WITH_VIS_CHECK): Ditto.
11828 (VAR_OR_FUNCTION_DECL_P): Ditto
11829 (struct tree_decl_minimal): New structure.
11830 (struct tree_decl_common): Ditto.
11831 (struct tree_decl_with_rtl): Ditto.
11832 (struct tree_decl_with_vis): Ditto.
11833 (struct tree_decl_non_common): Ditto.
11834 (struct tree_field_decl): Ditto.
11835 (struct tree_parm_decl): Ditto.
11836 (struct tree_var_decl): Ditto.
11837 (struct tree_function_decl): Ditto.
11838 (struct tree_const_decl): Ditto.
11839 (struct tree_result_decl): Ditto.
11840 (union tree_node): Add new structures.
11841 * var-tracking.c (track_expr_p): Reverse order of tests.
11843 * doc/c-tree.texi: Add documentation on DECL node internal structure.
11845 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11847 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11848 * system.h: Poison FINALIZE_PIC.
11849 * doc/tm.texi (FINALIZE_PIC): Remove.
11851 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11854 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11855 to the correct type if we have a MODIFY_EXPR.
11857 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11859 PR tree-optimization/22360
11860 * tree.c (upper_bound_in_type): Fix calculations for casting
11861 to a non-wider signed type and casting a signed value to a
11862 wider unsigned type.
11863 (lower_bound_in_type): Fix calculations for casting to a
11864 non-wider signed type.
11866 PR tree-optimization/20139
11867 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11869 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11870 fold_cond_expr_cond.
11871 * tree-ssanames.c (release_defs): Assert in_ssa_p.
11872 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11874 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11877 * tree-complex.c (expand_complex_libcall): Produce
11878 REALPART_EXPR/IMAGPART_EXPR with the correct type.
11880 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
11882 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11883 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11884 b" assert and inserted fastpath code for this case.
11885 (bitmap_ior): Removed "a != b" assert.
11887 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11889 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11890 (ENDFILE_SPEC): Likewise.
11891 * config/m32r/m32r.h (ASM_SPEC): Likewise.
11893 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11894 a large stack frame at epilogue.
11896 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
11898 * final.c: Include sdbout.h when required.
11900 2005-07-07 Geoffrey Keating <geoffk@apple.com>
11902 * config.gcc (*-*-darwin*): Only one target-specific header file
11903 for generic darwin.
11904 (powerpc-*-darwin*): Add version-specific header files.
11905 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11906 * config.in: Regenerate.
11907 * configure: Regenerate.
11908 * gcc.c: Include xregex.h.
11909 (version_compare_spec_function): New.
11910 (spec_function): Add version-compare.
11911 (replace_outfile_spec_function): Reformat comment.
11912 (compare_version_strings): New.
11913 * config/darwin-c.c (version_as_macro): New.
11914 (builtin_define): New.
11915 (darwin_cpp_builtins): New.
11916 * config/darwin-protos.h (darwin_cpp_builtins): New.
11917 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11918 (LIB_SPEC): Make unconditional, update comment.
11919 (TARGET_C99_FUNCTIONS): Define.
11920 * config/darwin.opt: Sort.
11921 (mmacosx-version-min=): New.
11922 * config/darwin7.h: Delete.
11923 * config/darwin8.h: Delete.
11924 * config/i386/darwin.h (): Call darwin_cpp_builtins.
11925 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11926 (TARGET_C99_FUNCTIONS): Define.
11927 * config/rs6000/darwin7.h: New.
11928 * config/rs6000/darwin8.h: New.
11929 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11930 (-mmacosx-version-min): Document.
11932 2005-07-07 Ian Lance Taylor <ian@airs.com>
11934 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11936 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
11938 PR middle-end/22239
11939 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11941 2005-07-07 Khem Raj <kraj@mvista.com>
11943 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11944 in bytes, not words.
11946 2005-07-07 Paul Brook <paul@codesourcery.com>
11948 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11949 DEFAULT_FUNCTION_ARG_PADDING to upward.
11951 2005-07-07 Richard Henderson <rth@redhat.com>
11953 * function.c (locate_and_pad_parm): Record parameter alignment in
11954 stack_alignment_needed.
11956 2005-07-07 David Edelsohn <edelsohn@gnu.org>
11958 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11959 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11960 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11961 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11962 (define_attr "type"): Add isync, sync, load_l, store_c.
11963 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11964 Create scratch volatile MEM.
11965 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
11967 (load_locked_<mode>): New.
11968 (store_conditional_<mode>): New.
11969 (sync_compare_and_swap<mode>): Replace with splitter.
11970 (sync_lock_test_and_set<mode>): Replace with splitter.
11971 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11973 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
11974 is ics. Attribute isync.
11975 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
11977 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11978 and UNSPECV_SYNC_OP.
11979 (emit_unlikely_jump): New.
11980 (emit_load_locked): New.
11981 (emit_store_conditional): New.
11982 (rs6000_split_compare_and_swap): New.
11983 (rs6000_split_lock_test_and_set): New.
11984 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11985 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11986 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11987 rs6000_split_lock_test_and_set): Declare.
11988 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11989 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11990 store_c, isync, sync.
11992 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
11994 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11995 filenames to gtyp-gen.h.
11996 (s-typ-gen): Use it in place of for loops.
11998 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
12000 * hooks.c (hook_bool_rtx_int_false): New function.
12001 * hooks.h (hook_bool_rtx_int_false): Declare.
12002 * target-def.h (TARGET_COMMUTATIVE_P): Define.
12003 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
12004 * target.h (struct gcc_target): Add commutative_p member.
12005 * targhooks.c (hook_bool_rtx_commutative_p): New function.
12006 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
12007 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
12008 (pa_commutative_p): New function.
12009 * jump.c (target.h): Include.
12010 (rtx_renumbered_equal_p): Use targetm.commutative_p.
12011 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
12013 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
12015 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
12016 (s390_expand_setmem): New.
12017 * config/s390/s390.c: Likewise.
12018 (print_shift_count_operand): Truncate to 12 bits instead of 6.
12020 * config/s390/s390.md: ("setmem<mode>"): Accept character as
12021 general_operand. Call new function "s390_expand_setmem".
12022 ("clrmem_long", "*clrmem_long"): Rewrite to ...
12023 ("setmem_long", "*setmem_long"): ... this.
12025 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
12027 * config/s390/s390.c: (optimization_options): Enable
12028 TARGET_MVCLE at -Os.
12029 * doc/invoke.texi: Document changes in default behaviour.
12030 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
12032 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
12034 * expr.c: (set_storage_via_setmem): Convert opchar to mode
12035 defined by back-end.
12037 2005-07-07 Jakub Jelinek <jakub@redhat.com>
12039 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
12040 all sets in the pattern.
12041 * config/rs6000/rs6000.md (stack_protect_testsi,
12042 stack_protect_testdi): Likewise.
12044 2005-07-06 Jeff Law <law@redhat.com>
12046 * tree-vrp.c (simplify_using_ranges): Kill.
12047 (vrp_finalize): Remove call to simplify_using_ranges.
12048 (simplify_stmt_using_ranges): New function extracted from
12049 simplify_using_ranges.
12050 (simplify_div_or_mod_using_ranges): Likewise.
12051 (simplify_abs_using_ranges): Likewise.
12052 (simplify_cond_using_ranges): New function.
12053 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
12054 * tree-ssa-propagate.c (substitute_and_fold): Call
12055 simplify_stmt_using_ranges if we have range information.
12057 2005-07-06 James E. Wilson <wilson@specifixinc.com>
12059 * config/ia64/ia64.c (ia64_reorg): Check optimize before
12060 ia64_flag_schedule_isns2.
12062 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
12063 reading/writing general registers.
12064 (ia64_function_arg): Revert 2005-06-18 change.
12066 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
12068 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
12069 (legitimize_tls_address): Use gcc_unreachable instead of abort.
12071 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
12073 * function.c (expand_function_end): Revert part of 2005-06-27
12074 patch. Do sjlj_emit_function_exit_after after return_label.
12076 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
12078 * doc/install.texi (--disable-libssp): New.
12080 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
12082 * doc/invoke.texi: Update -fforce-mem documentation.
12083 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
12084 code for -fforce-mem.
12085 * expmed.c: (store_bit_field,store_fixed_bit_field,
12086 extract_bit_field): Ditto.
12087 * expr.c: (convert_move): Ditto.
12088 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
12089 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
12090 emit_conditional_add,expand_float,expand_fix): Ditto.
12091 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
12092 (common_handle_option): Issue warning when -fforce-mem specified.
12094 2005-07-06 Paul Brook <paul@codesourcery.com>
12096 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
12098 * configure: Regenerate.
12100 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
12102 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
12104 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
12106 Fix PR tree-optimization/22319
12107 Fix PR tree-optimization/22140
12108 Fix PR tree-optimization/22310
12110 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
12111 variable sized types.
12112 Use correct type for intermediate structure on *a = *b structure
12115 2005-07-06 Jakub Jelinek <jakub@redhat.com>
12117 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
12119 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
12120 (machine_function): Move typedef to...
12121 * config/rs6000/rs6000.c (machine_function): ... here. Add
12122 varargs_save_offset field.
12123 (rs6000_stack_t): Remove varargs_size field.
12124 (setup_incoming_varargs): Allocate varargs save area using
12125 assign_stack_local, try to make it as small as possible.
12126 Save offset from virtual_stack_vars_rtx to the save area
12127 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
12128 instead of magic 8 when fp word byte size is used.
12129 (rs6000_va_start): Use cfun->machine->varargs_save_offset
12130 instead of -RS6000_VARARGS_SIZE.
12131 (rs6000_stack_info, debug_stack_info,
12132 rs6000_initial_elimination_offset): Remove all traces of
12134 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
12135 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
12136 RS6000_VARARGS_AREA.
12138 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
12140 PR tree-optimization/21963
12141 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
12142 constant_multiple_of in the same way get_computation_cost_at does.
12144 2005-07-06 Jakub Jelinek <jakub@redhat.com>
12146 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
12147 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
12148 (gen_compare_reg): If sparc_compare_emitted is set, clear it
12149 and return its previous value.
12150 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
12151 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
12153 (stack_protect_set, stack_protect_test): New expanders.
12154 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
12155 stack_protect_testdi): New insns.
12156 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12157 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
12159 2005-07-06 Jeff Law <law@redhat.com>
12161 * tree-ssa-dce.c (cfg_altered): New global.
12162 (tree_dce_init): Initialize cfg_altered.
12163 (remove_dead_stmt): If we remove an edge in the CFG, then set
12165 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
12168 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
12170 * Makefile.in (stamp-collect-ld): Use
12171 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
12172 ./collect-ld if it already exists.
12173 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
12174 Don't remove ./nm if it already exists.
12176 2005-07-05 Devang Patel <dpatel@apple.com>
12178 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
12179 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
12180 * tree-vectorizer.c (vect_loop_location): New.
12181 (vect_print_dump_info): Use vect_loop_location.
12182 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
12183 (vectorize_loops): Set vect_loop_location.
12184 * tree-vect-analyze.c (vect_analyze_offset_expr,
12185 vect_determin_vectorization_factor, vect_analyze_operations,
12186 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
12187 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
12188 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
12189 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
12190 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
12191 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
12192 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
12193 vect_analyze_loop): Adjust vect_print_dump_info API.
12194 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12195 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
12196 vect_finish_stmt_generation, vectorizable_assignment,
12197 vectorizable_operation, vectorizable_store, vectorizable_load,
12198 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
12199 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
12200 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
12201 vect_transform_loop): Same.
12202 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
12203 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
12206 2005-07-05 Randolph Chung <tausq@debian.org>
12208 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
12209 * configure: Regenerate.
12210 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
12211 (pa_tls_referenced_p): Declare.
12212 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
12213 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
12214 (legitimize_tls_address): New.
12215 (hppa_legitimize_address): Handle TLS addresses.
12216 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
12217 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
12218 (emit_move_sequence): Handle TLS addresses.
12219 (pa_encode_section_info): Call default handler to handle common
12221 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
12222 (CONSTANT_ADDRESS_P): Reject TLS operands.
12223 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
12224 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
12225 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
12226 (UNSPEC_TLSLE): Define new constants.
12227 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
12228 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
12229 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
12230 (tie_symbolic_operand, tle_symbolic_operand): New
12232 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
12234 * aclocal.m4: Update macros for autoconf 2.59 style.
12235 * configure.ac: Likewise.
12237 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12239 * pa.c (function_value): Handle small aggregates on 32-bit targets.
12240 (function_arg): Pass small aggregates in general registers on 32-bit
12242 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
12244 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
12246 * Makefile.in (final.o): Fix dependencies.
12248 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
12252 * langhooks.h (struct lang_hooks): Add expr_to_decl.
12253 * langhooks.c (lhd_expr_to_decl): New.
12254 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
12256 (LANG_HOOKS_INITIALIZER): Update.
12257 * tree.c (recompute_tree_invarant_for_addr_expr): Call
12258 expr_to_decl langhook.
12259 * c-tree.h (c_expr_to_decl): Declare.
12260 * c-typeck.c (c_expr_to_decl): New.
12261 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
12263 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
12265 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
12268 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
12269 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
12271 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
12273 * Makefile.in: Adjust dependencies.
12274 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
12275 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
12276 * alias.c (rest_of_handle_cfg, pass_cfg): New.
12277 * bb-reorder.c (duplicate_computed_gotos): Make it static.
12278 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
12279 rest_of_compilation.
12281 * bb-reorder.c (gate_duplicate_computed_gotos,
12282 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
12283 rest_of_handle_reorder_blocks, pass_reorder_blocks,
12284 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
12285 pass_partition_blocks): New.
12286 * bt-load.c (gate_handle_branch_target_load_optimize,
12287 rest_of_handle_branch_target_load_optimize,
12288 pass_branch_target_load_optimize): New.
12289 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
12291 * cfglayout.c (pass_insn_locators_initialize): New.
12292 * cfgrtl.c (pass_free_cfg): New.
12293 * combine.c (gate_handle_combine, rest_of_handle_combine,
12294 pass_combine): New.
12295 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
12296 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
12297 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
12298 * except.c (pass_set_nothrow_function_flags,
12299 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
12301 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
12302 rest_of_handle_shorten_branches, pass_shorten_branches,
12303 rest_of_clean_state, pass_clean_state): New.
12304 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
12305 rest_of_handle_remove_death_notes, pass_remove_death_notes,
12306 rest_of_handle_life, pass_life, rest_of_handle_flow2,
12308 * function.c (pass_instantiate_virtual_regs, pass_init_function,
12309 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
12310 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
12311 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
12313 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
12314 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
12315 pass_rtl_ifcvt, gate_handle_if_after_combine,
12316 rest_of_handle_if_after_combine, pass_if_after_combine,
12317 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
12318 pass_if_after_reload): New.
12319 * integrate.c (pass_initial_value_sets): New.
12320 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
12321 pass_purge_lineno_notes): New.
12322 * mode-switching.c (rest_of_handle_mode_switching,
12323 pass_mode_switching): New.
12324 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
12325 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
12327 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
12328 pass_loop_optimize): New.
12329 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
12331 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
12333 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
12334 pass_postreload_cse): New.
12335 * profile.c (gate_handle_profiling, pass_profiling,
12336 rest_of_handle_branch_prob, pass_branch_prob): New.
12337 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
12338 pass_split_before_regstack, gate_handle_split_before_regstack,
12339 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
12340 rest_of_handle_split_all_insns, pass_split_all_insns): New.
12341 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
12342 pass_stack_regs): New.
12343 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
12344 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
12345 pass_stack_adjustments): New.
12346 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
12347 pass_regrename): New.
12348 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
12349 pass_delay_slots, gate_handle_machine_reorg,
12350 rest_of_handle_machine_reorg, pass_machine_reorg): New.
12351 * rtl.h (extern void purge_line_number_notes): New.
12352 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
12353 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
12355 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
12357 * value-prof.c (gate_handle_value_profile_transformations,
12358 rest_of_handle_value_profile_transformations,
12359 pass_value_profile_transformations): New.
12360 * var-tracking.c (gate_handle_var_tracking,
12361 pass_variable_tracking): New.
12362 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
12364 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
12365 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
12366 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
12367 rest_of_handle_old_regalloc, rest_of_handle_regrename,
12368 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
12369 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
12370 rest_of_handle_gcse2, rest_of_handle_regmove,
12371 rest_of_handle_tracer, rest_of_handle_if_conversion,
12372 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
12373 rest_of_handle_web, rest_of_handle_branch_prob,
12374 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
12375 rest_of_handle_jump_bypass, rest_of_handle_combine,
12376 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12377 rest_of_handle_gcse, rest_of_handle_loop_optimize,
12378 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
12379 rest_of_handle_mode_switching, rest_of_handle_jump,
12380 rest_of_handle_eh, rest_of_handle_stack_adjustments,
12381 rest_of_handle_flow2, rest_of_handle_jump2,
12382 rest_of_handle_peephole2, rest_of_handle_postreload,
12383 rest_of_handle_shorten_branches, rest_of_clean_state,
12384 rest_of_compilation): Remove.
12386 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
12387 * passes.c (dump_flags, in_gimple_form, all_passes,
12388 all_ipa_passes, all_lowering_passes, register_one_dump_file,
12389 register_dump_files, next_pass_1, last_verified, execute_todo,
12390 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
12391 from tree-optimize.c.
12392 (init_optimization_passes): Moved from tree-optimize.c,
12393 adding the RTL optimizations.
12394 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
12395 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
12396 all_ipa_passes, all_lowering_passes, register_one_dump_file,
12397 register_dump_files, next_pass_1, last_verified, execute_todo,
12398 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
12399 init_tree_optimization_passes, ipa_passes): Delete.
12400 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
12402 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
12403 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
12405 (ipa_passes): Remove.
12406 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
12407 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
12408 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
12409 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
12410 (dump_info_p, dump_flag): Moved to tree-dump.h.
12412 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
12414 * passes.c (finish_optimization_passes): Use dump_begin
12415 and dump_end, TDI_end.
12416 (gate_rest_of_compilation): New.
12417 (pass_rest_of_compilation): Use it.
12418 (gate_postreload, pass_postreload): New.
12419 * toplev.c (general_init): Rename init_tree_optimization_passes.
12420 * toplev.h (init_tree_optimization_passes): Rename to
12421 init_optimizations_passes.
12422 * tree-dump.c (dump_flag): Make static.
12423 (dump_files): Remove RTL dumps.
12424 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
12425 pass_cleanup_cfg, pass_free_cfg_annotations,
12426 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
12427 pass_init_datastructures, pass_fixup_cfg): Make non-static.
12428 * tree-pretty-print.c: Include tree-pass.h.
12429 * cgraph.c: Include tree-dump.h.
12431 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
12433 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
12434 Only fall back to saying it points to readonly memory if
12435 we can't do better.
12437 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
12439 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
12440 * config/m32r/m32r.c (m32r_compute_frame_size,
12441 m32r_expand_prologue): Take current_function_profile into
12442 account whenever we reference
12443 current_function_uses_pic_offset_table.
12444 (m32r_finalize_pic): Remove.
12445 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
12447 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
12449 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
12450 instead of $<. Don't remove ./as if it already exists.
12452 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12455 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
12456 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
12457 for complex modes when generating code for PA 1.0.
12458 (VALID_FP_MODE_P): New macro.
12459 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
12460 sets for all general and floating point modes. Align wide floating
12461 point modes to even register boundaries to comply with architectural
12463 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
12464 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
12465 (VALID_FP_MODE_P): New macro.
12466 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
12467 sets for all general and floating point modes. Align wide floating
12468 point modes to even register boundaries to comply with architectural
12471 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12473 * tree-dump.c (dump_files): Initialize dump number for .cgraph
12476 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12478 * tree-ssa-structalias.c: Don't include expr.h.
12480 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12482 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
12485 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
12487 Fix PR tree-optimization/22279
12489 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
12492 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
12494 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
12496 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
12498 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
12499 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
12500 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
12501 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
12502 config/stormy16/stormy16.c, config/v850/v850.c,
12503 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
12504 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
12505 Avoid "." or "\n" at end of diagnostics and capital letters at
12506 start of diagnostics.
12507 * combine.c, cse.c: Don't translate dump file output.
12508 * toplev.c (print_version): Only translate output if going to
12511 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
12513 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
12514 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
12517 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12519 * pa.c (fix_range): Fix typo in comment.
12521 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
12523 * tree-vrp.c (extract_range_from_assert): Replace
12524 fold (build (...)) with fold_build2.
12526 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12528 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
12529 gcc_gfc_char_table, init_dynamic_gfc_info): New.
12530 (format_types_orig, handle_format_attribute): Add support for
12533 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
12535 * varasm.c (assemble_variable): Fix format specifier thinko.
12537 2005-07-03 Ira Rosen <irar@il.ibm.com>
12539 PR tree-optimization/22029 (and 22135)
12540 * tree-pretty-print.c (dump_generic_node): Check that the node is not
12541 a phi node before calling dump_vops.
12543 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
12545 * tree-dump.h (dump_string_field): Declare.
12546 * tree-dump.c: Use it instead of dump_string.
12547 (dump_string_field): Make non-static.
12549 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
12551 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
12552 up the minimal CFG stuff always when optimize > 0. Call
12553 split_all_insns_noflow in PIC case if needed.
12555 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
12556 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
12559 * c-decl.c (c_write_global_declarations): Dump contents of
12561 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12562 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12563 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12564 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12567 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
12569 * c-common.h (GCC_DIAG_STYLE): Define.
12570 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
12571 version for format checking to 4.1.
12572 * c-format.c: Include toplev.h after c-common.h.
12573 (enum format_type): Add gcc_tdiag_format_type.
12574 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12575 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12576 (format_types_orig): Add gcc_tdiag.
12577 (init_dynamic_diag_info): Support gcc_tdiag formats.
12578 (handle_format_attribute): Likewise.
12579 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12580 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
12581 version for format checking to 4.1.
12582 (warning0, warning, error, pedwarn, sorry): Use
12583 ATTRIBUTE_GCC_DIAG.
12584 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12585 (finish_aliases_1): Do not use %qE.
12586 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12587 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12588 Correct format bugs.
12589 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12590 parameter to unsigned HOST_WIDE_INT.
12591 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12593 2005-07-02 David Edelsohn <edelsohn@gnu.org>
12595 PR middle-end/21742
12596 * expr.c (write_complex_part): Use adjust_address for MEM.
12597 (read_complex_part): Same.
12599 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
12601 Fix PR tree-optimization/22280
12603 * tree-sra.c (generate_element_init): Remove useless loop.
12605 2005-07-02 Richard Henderson <rth@redhat.com>
12607 * config/alpha/alpha.c (alpha_legitimize_address): Check for
12609 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12611 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
12613 PR middle-end/14490
12614 * fold-const.c (fold_binary): Handle the return value of
12615 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12616 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12618 2005-07-02 Jeff Law <law@redhat.com>
12620 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12621 a eliminate type conversion which feeds an equality comparison
12622 if the original type or either operand in the comparison is a
12625 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
12627 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12628 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12630 * config/avr/avr.c: Do not use '`' as left quote.
12631 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12632 Remove "." from end of diagnostics. Make diagnostics start with
12635 2005-07-02 Zack Weinberg <zack@codesourcery.com>
12636 Joseph S. Myers <joseph@codesourcery.com>
12638 * toplev.c (default_tree_printer): Handle setting location with
12640 * c-objc.common.c (c_tree_printer): Likewise.
12641 * c-format.c (gcc_diag_flag_specs): Add '+'.
12642 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12643 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12645 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12646 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12647 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12648 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12649 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12650 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
12651 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
12652 format arguments where %J is used without %D.
12654 2005-07-02 Jakub Jelinek <jakub@redhat.com>
12656 * gcc.c (LINK_SSP_SPEC): Define.
12657 (link_ssp_spec): New variable.
12658 (LINK_COMMAND_SPEC): Add %(link_ssp).
12659 (static_specs): Add link_ssp_spec.
12660 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12661 * configure: Rebuilt.
12662 * config.in: Rebuilt.
12664 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12665 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12666 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12667 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12668 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12669 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12670 -0x7008(2) instead of reading __stack_chk_guard variable.
12671 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12673 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12674 (stack_protect_set, stack_protect_test): Use *_tls* patterns
12675 if TARGET_THREAD_SSP_OFFSET is defined.
12676 (stack_tls_protect_set_si, stack_tls_protect_set_di,
12677 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12680 2005-06-27 Richard Henderson <rth@redhat.com>
12681 * libgcc-std.ver (GCC_4.1.0): New.
12682 * libgcc.h (__stack_chk_guard): Declare.
12683 (__stack_chk_fail, __stack_chk_fail_local): Declare.
12684 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12685 * mklibgcc.in (lib2funcs): Add them.
12687 2005-07-01 Richard Henderson <rth@redhat.com>
12689 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12690 void * before struct sigcontext *.
12691 (x86_fallback_frame_state): Likewise.
12693 2005-07-01 James E. Wilson <wilson@specifixinc.com>
12695 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12697 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12700 * tree-ssa-reassoc.c (should_transpose): Fix which operand
12701 we check for SSA_NAME for.
12703 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
12705 Fix PR tree-optimization/22071
12707 * tree-ssa-structalias.c (offset_overlaps_with_access): New
12709 (get_constraint_for_component_ref): Use it.
12711 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12714 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12715 print out the last new line.
12717 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
12719 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12720 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12721 * config/cris/cris.c (cris_conditional_register_usage): Adjust
12722 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12723 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12724 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12725 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12726 (enum reg_class): New member CC0_REGS.
12727 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12728 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12729 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12730 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12731 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12732 Adjust for register now described.
12734 2005-07-01 Jakub Jelinek <jakub@redhat.com>
12737 * config/i386/i386.md (stack_protect_test_si,
12738 stack_protect_test_di): Add earlyclobber for scratch 3.
12739 * config/rs6000/rs6000.md (stack_protect_testsi,
12740 stack_protect_testdi): Add earlyclobber for scratch 3,
12741 remove earlyclobber from scratch 4.
12743 Older entries for 2005 can be found in ChangeLog-2005.