1 2005-12-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4 * c-lex.c (c_lex_with_flags): Add PURE_ZERO to cpp_flags if
5 number is a single digit '0'.
7 2005-12-22 Kazu Hirata <kazu@codesourcery.com>
9 PR tree-optimization/23518
10 * fold-const.c (make_range): Don't move a constant to the
11 other side of the comparison if the type is signed and -fwrapv
14 2005-12-22 Kazu Hirata <kazu@codesourcery.com>
16 * tree-vrp.c (extract_range_from_binary_expr): Clean up uses
19 2005-12-21 Joseph S. Myers <joseph@codesourcery.com>
22 * config/arm/t-arm-elf (LIB1ASMFUNCS): Add _floatundidf and
25 2005-12-21 Andrew Haley <aph@redhat.com>
28 * recog.c (peephole2_optimize): Don't peephole any
29 RTX_FRAME_RELATED_P insns.
31 2005-12-21 Kazu Hirata <kazu@codesourcery.com>
33 * tree-data-ref.c (estimate_niter_from_size_of_data): Replace
34 fold_build2 with fold_binary.
35 * tree-ssa-ccp.c (visit_assignment, maybe_fold_stmt_addition):
36 Replace fold_build1 with fold_unary.
37 * tree-ssa-reassoc.c (optimize_ops_list): Replace fold_build2
40 2005-12-21 Steven Bosscher <stevenb@suse.de>
42 PR rtl-optimization/25196
43 * postreload-gcse.c (record_last_set_info): Notice stack pointer
44 changes in push insns without REG_INC notes.
46 2005-12-21 Kazu Hirata <kazu@codesourcery.com>
48 PR tree-optimization/25382.
49 * tree-vrp.c (extract_range_from_binary_expr): Extract a range
52 2005-12-21 Janis Johnson <janis187@us.ibm.com>
53 Ben Elliston <bje@au.ibm.com>
55 * configure.ac: Enable C extension for decimal float if invoked
56 with --enable-decimal-float.
57 * doc/install.texi (Configuration): Document it.
58 * configure, config.in: Regenerate.
60 2005-12-20 Mike Stump <mrs@apple.com>
62 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Handle the
63 ambiguity between -seg_addr_table and -seg_addr_table_filename.
64 (WORD_SWITCH_TAKES_ARG): Likewise.
65 (LINK_SPEC): Likewise.
67 2005-12-20 Kenneth Zadeck <zadeck@naturalbridge.com>
69 * cfganal.c (flow_reverse_top_sort_order_compute):
70 Renamed to post_order_compute and additional parameter added which
71 allows the inclusion of entry and exit blocks into list.
72 (mark_dfs_back_edges): Fixed comment.
73 (flow_depth_first_order_compute): Renamed to
74 pre_and_rev_post_order_compute additional parameter added which
75 allows the inclusion of entry and exit blocks into list.
76 * global.c (set_up_bb_rts_numbers): Call to
77 flow_reverse_top_sort_order_compute renamed to
79 * var-tracking.c (vt_stack_adjustments): Fixed comment.
80 (vt_find_locations): Call to
81 flow_depth_first_order_compute renamed to
82 pre_and_rev_post_order_compute.
83 * cfgloop.c (flow_find_loops): Ditto.
84 * tree-ssa-reassoc.c (init_reassoc): Ditto.
85 * df.c (df_analyze_1, df_analyze_subcfg): Calls to
86 flow_reverse_top_sort_order_compute renamed to post_order_compute
87 and calls to flow_reverse_top_sort_order_compute renamed to
89 * basic_block.h: Ditto.
92 2005-12-20 Roger Sayle <roger@eyesopen.com>
93 Paolo Bonzini <bonzini@gnu.org>
95 PR rtl-optimization/25115
96 * gcse.c (pre_insert_copy_insn): Fall back to the sole
97 SET in the insn if there is no SET for an
98 expression that is equivalent to EXPR.
100 2005-12-20 Richard Guenther <rguenther@suse.de>
103 * builtins.c (std_gimplify_va_arg_expr): Do not align
104 va frame for zero sized types.
105 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
107 2005-12-20 Kazu Hirata <kazu@codesourcery.com>
109 PR tree-optimization/25501
110 * tree-cfgcleanup.c (merge_phi_nodes): Check that RESULT is
111 used in the PHI argument corresponding to the edge from BB to
114 2005-12-20 Richard Guenther <rguenther@suse.de>
117 2005-12-02 Richard Guenther <rguenther@suse.de>
119 * tree-cfg.c (mark_used_vars): New function.
120 (dump_function_to_file): Dump only used VAR_DECLs.
122 2005-12-19 Roger Sayle <roger@eyesopen.com>
124 * combine.c (try_combine): Improve splitting of binary operators
125 by taking advantage of reassociative transformations.
127 2005-12-19 Jeff Law <law@redhat.com>
129 * tree-ssa-dom.c (thread_across_edge): Do not use local_fold.
130 Strip away all type conversions after simplifying the
133 * tree-cfgcleanup.c (merge_phi_nodes): Allow merging in some
134 cases the forwarder block dominates the destination.
136 2005-12-19 DJ Delorie <dj@redhat.com>
138 * reload1.c (spill_failure): Dump reload data to dump file.
139 (find_reload_regs): Likewise.
141 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
143 PR tree-optimization/24793
144 * tree-ssa-loop-ivopts.c (get_ref_tag): Remember the
145 original reference if there are subvars.
146 * tree-ssa-operands.c (get_tmr_operands): Handle subvars.
148 2005-12-19 Kenneth Zadeck <zadeck@naturalbridge.com>
150 * df.c (df_analyze_1, df_analyze_subcfg, iterative_dataflow):
151 Corrected basic block number calculations for changes in entry and
154 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
156 * tree-flow.h (struct var_ann_d): Change type of
157 may_aliases field to VEC(tree, gc) *.
158 (may_aliases): Declaration changed.
159 * tree-ssa-alias.c (group_aliases, add_may_alias,
160 replace_may_alias, dump_may_aliases_for,
161 is_aliased_with, add_type_alias, new_type_alias):
162 Work with VEC(tree, gc) * instead of varray.
163 * tree-flow-inline.h (may_aliases): Ditto.
164 * tree-ssa.c (verify_flow_insensitive_alias_info,
165 verify_name_tags): Ditto.
166 * tree-ssa-operands.c (add_stmt_operand): Ditto.
168 2005-12-19 J"orn Rennecke <joern.rennecke@st.com>
170 * cfgcleanup.c: Temporarily revert patches for PR 20070 till Bernd
173 2005-12-19 J"orn Rennecke <joern.rennecke@st.com>
175 * struct-equiv.c (struct_equiv_improve_checkpoint): Fix sets_cc0_p
178 2005-12-19 Ben Elliston <bje@au.ibm.com>
180 * doc/install.texi (Configuration): Typo in Fortran subheading.
182 2005-12-19 Nathan Sidwell <nathan@codesourcery.com>
184 * config/mt/mt.md (decrement_and_branch_until_zero): Add another
185 scratch. Correct its reload split. Adjust its peephole.
186 (doloop_end): Add additional scratch.
188 * config/mt/mt.c (MT_INT_ARG_FIRST): Remove.
189 (mt_asm_output_opcode, mt_print_operand): Use 'nop'.
190 (mt_function_arg_slotno): Use FIRST_ARG_REGNUM.
191 (mt_builtin_saveregs): Replace with ...
192 (mt_setup_incoming_varargs): ... here. Save just the varadic
194 (mt_va_start): Remove.
195 (mt_reorg_hazard): Ignore USE insns. Don't call set_noop_p.
196 (mt_machine_reorg): Split all insns here.
197 (TARGET_SETUP_INCOMING_VARARGS): Override.
198 * config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only.
200 (EXPAND_BUILTIN_VA_START): Remove.
202 2005-12-17 Kenneth Zadeck <zadeck@naturalbridge.com>
204 * flow.c (update_life_info, count_or_remove_death_notes): Fixed
205 latent bug that could happen if update_life_info was called with a
206 blocks parameter and the call to cleanup_cfg actually deleted one
209 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
211 * tree-ssa-structalias.c (update_alias_info): Remove handling
212 of may_be_aliased (SSA_NAME_VAR (op)) case.
214 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
216 * tree-flow.h (struct stmt_ann_d): Remove
217 makes_aliased_loads and makes_aliased_stores fields.
218 * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores
219 and makes_aliased_loads fields.
220 * tree-ssa-dom.c (eliminate_redundant_computations): Do not
221 use makes_aliased_stores.
222 * tree-ssa-operands.c (clobbered_aliased_loads,
223 clobbered_aliased_stores, ro_call_aliased_loads): Removed.
224 (build_ssa_operands, add_stmt_operand, add_call_clobber_ops,
225 add_call_read_ops): Do not set makes_aliased_stores and
226 makes_aliased_loads fields.
227 * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores
230 2005-12-18 Geoffrey Keating <geoffk@apple.com>
232 * config/darwin.h: Don't include darwin-sections.def to declare
233 global variables; instead create darwin_section_enum.
234 (darwin_section_enum): New.
235 (darwin_sections): New.
236 * config/darwin.c: Don't include darwin-sections.def to define
238 (darwin_sections): New.
239 (output_objc_section_asm_op): Rewrite to take advantage of
241 (darwin_init_sections): Rewrite to use darwin_sections.
242 (machopic_output_indirection): Update for darwin_sections array.
243 (machopic_select_section): Likewise.
244 (machopic_select_rtx_section): Likewise.
245 (machopic_asm_out_constructor): Likewise.
246 (machopic_asm_out_destructor): Likewise.
247 (darwin_file_end): Likewise.
248 * config/rs6000/rs6000.c (machopic_output_stub): Likewise.
249 * config/i386/i386.c (machopic_output_stub): Likewise.
251 2005-12-18 Richard Guenther <rguenther@suse.de>
253 PR tree-optimization/25481
254 * tree-ssa-structalias.c (handle_ptr_arith): Handle accesses we
255 don't have a varinfo for.
257 2005-12-18 Jon Grimm <jgrimm2@us.ibm.com>
258 Janis Johnson <janis187@us.ibm.com>
259 Ben Elliston <bje@au.ibm.com>
261 * optabs.c (init_floating_libfuncs): Handle decimal float modes.
262 (init_optabs): Handle libfuncs for decimal float.
263 * genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
264 * stor-layout.c (int_mode_for_mode): Likewise.
265 * simplify-rtx.c (simplify_immed_subreg): Likewise.
266 (simplify_unary_operation_1): Skip optimisations for decimal float
268 * varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
269 * emit-rtl.c (gen_const_vector): Add assertion check.
270 (init_emit_once): Populate const_tiny_rtx with constants in each
272 * expmed.c (extract_high_half, expand_mult_highpart_optab,
273 expand_mult_highpart): Assert that mode is not a scalar float
275 * expr.c (convert_move): Handle conversion between decimal and
276 binary floats of the same size.
277 * convert.c (convert_to_real): Consider decimal float types when
279 * dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
280 describe decimal floating point types.
282 2005-12-18 Ulrich Weigand <uweigand@de.ibm.com>
284 PR rtl-optimization/21041
285 * reload.c (find_reloads_subreg_address): Replace paradoxical
286 subreg of MEM by widened access only if the resulting memory
287 is properly aligned, even on !STRICT_ALIGNMENT targets.
289 2005-12-18 Andreas Krebbel <krebbel1@de.ibm.com>
291 * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.
293 2005-12-18 Steven Bosscher <stevenb@suse.de>
295 * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
296 the 2005-12-17 patch to renumber the entry and exit blocks.
298 2005-12-18 Gabriel Dos Reis <gdr@integrable-solutions.net>
300 * doc/objc.texi (Type encoding): Fix typo.
302 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
304 * tree-tailcall.c (find_tail_calls): Use XNEW.
305 * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
306 (free_all_edge_infos): Use explicit cast to convert from void *.
307 (vrp_free): Likewise.
308 (dom_opt_finalize_block): Likewise.
309 (record_equivalences_from_incoming_edge): Likewise.
310 (thread_across_edge): Likewise. Use XCNEWVEC.
311 (record_cond): Use XCNEW.
312 (record_conditions): Use XNEWVEC.
313 (record_edge_info): Use XCNEWVEC.
314 (lookup_avail_expr): Use XNEW.
315 (record_range): Likewise. Use GGC_NEW.
316 * tree-nested.c (var_map_hash): Use explicit cast to convert from
318 (var_map_eq): Likewise.
319 (lookup_field_for_decl): Likewise.
320 (convert_nonlocal_reference): Likewise.
321 (convert_local_reference): Likewise.
322 (convert_nl_goto_reference): Likewise.
323 (convert_nl_goto_receiver): Likewise.
324 (convert_call_expr): Likewise.
325 (convert_tramp_reference): Likewise.
326 (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
327 (convert_nl_goto_reference): Likewise.
328 (lookup_field_for_decl): Use GGC_NEW.
329 (create_nesting_tree): Use GGC_CNEW.
330 * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
331 * tree-ssa-alias.c (init_alias_info): Use XCNEW.
332 (create_alias_map_for): Likewise.
333 (setup_pointers_and_addressables): Use XCNEWVEC.
334 (get_ptr_info): Use GGC_NEW.
335 (used_part_map_eq): Use explicit cast to convert from void *.
336 (up_lookup): Likewise.
337 (up_insert): Use XNEW.
338 (get_or_create_used_part_for): Use XCNEW.
339 (get_tmt_for): Likewise.
340 * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
341 * tree-ssa-pre.c (phi_trans_add): Use XNEW.
342 (bitmap_set_new): Use explicit cast to convert from void *.
344 (insert_into_set): Likewise.
345 (pool_copy_list): Likewise.
346 (phi_translate): Likewise.
347 (create_value_expr_from): Likewise.
348 (insert_aux): Use XCNEWVEC.
349 (compute_avail): Use XNEWVEC.
350 * tree-ssa-live.c (calculate_live_on_entry): Likewise.
351 (sort_coalesce_list): Likewise.
352 (build_tree_conflict_graph): Use XCNEWVEC.
353 * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
354 * tree-ssa-copy.c (init_copy_prop): Likewise.
355 (fini_copy_prop): Likewise.
356 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
358 (record_equiv): Use XNEW.
359 (uncprop_into_successor_phis): Use explicit cast to convert from
361 (uncprop_initialize_block): Likewise.
363 2005-12-18 Dorit Nuzman <dorit@il.ibm.com>
365 PR tree-optimization/24378
366 * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
367 basic-block after loop-versioning.
369 2005-12-18 Jeff Law <law@redhat.com>
371 * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
372 to simplify SWITCH_EXPR_CODE moved from here to ...
373 * tree-ssa-forwprop.c (simplify_switch_expr): Here.
374 (tree-ssa-forward_propagate_single_use_vars): Call
375 simplify_switch_expr when appropriate.
377 2005-12-17 Andrew Pinski <pinskia@physics.uc.edu>
379 * doc/objc.texi (Type encoding): Add documentation about encoding
380 complex types and _Bool.
382 2005-12-17 Paul Brook <paul@codesourcery.com>
384 * config/m68k/m68k.md (m68k_output_function_prologue): Always call
385 dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
386 when frame_pointer_needed.
388 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
390 * tree-vn.c (vn_add): Use XNEW.
391 * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
392 (ccp_fold): Likewise.
393 (fold_stmt_r): Use explicit cast to convert from void *.
394 * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
395 (new_temp_expr_table): Likewise.
396 * gimplify.c (lookup_tmp_var): Use XNEW.
397 (gimplify_asm_expr): Use explcit cast to convert from void *.
398 * tree-into-ssa.c (get_ssa_name_ann): Likewise.
399 (get_def_blocks_for): Use XNEW.
400 (add_to_repl_tbl): Likewise.
401 (mark_def_sites): Use explicit cast to convert from void *.
402 (def_blocks_free): Likewise.
403 (mark_def_sites_initialize_block): Likewise.
404 (update_ssa): Use XNEWVEC.
405 * tree-dfa.c (create_var_ann): Use GGC_NEW.
406 (create_stmt_ann): Likewise.
407 (create_tree_ann): Likewise.
408 (referenced_var_insert): Likewise.
409 (set_default_def): Likewise.
410 (referenced_var_lookup_if_exists): Use explicit cast to convert
412 (referenced_var_lookup): Likewise.
413 (default_def): Likewise.
414 (set_default_def): Likewise.
415 * tree-cfg.c (create_bb): Likewise.
416 (edge_to_cases_cleanup): Likewise.
417 (verify_node_sharing): Likewise.
418 (record_switch_edge): Use XNEW.
419 (cleanup_dead_labels): Use XCNEWVEC.
420 (tree_duplicate_sese_region): Use XNEWVEC.
421 * tree-scalar-evolution.c (get_instantiated_value): Likewise.
422 * tree-ssa.c (verify_ssa): Use XCNEWVEC.
423 (int_tree_map_eq): Use explicit cast to convert from void *.
424 * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
425 (__gcov_execl): Likewise.
426 (__gcov_execlp): Likewise.
427 (__gcov_execle): Likewise.
428 * tree-eh.c (struct_ptr_eq): Likewise.
429 (struct_ptr_hash): Likewise.
430 (lookup_stmt_eh_region_fn): Likewise.
431 (outside_finally_tree): Likewise.
432 (find_goto_replacement): Likewise.
433 (make_eh_edge): Likewise.
434 (mark_eh_edge): Likewise.
435 (add_stmt_to_eh_region_fn): Use GGC_NEW.
436 (record_in_finally_tree): Use XNEW.
437 (maybe_record_in_goto_queue): Use XRESIZEVEC.
438 (lower_try_finally_copy): Use XCNEWVEC.
440 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
442 * tree-inline.c (copy_body_r): Use explicit cast when converting
445 (copy_edges_for_bb): Likewise.
446 (remap_decl_1): Likewise.
447 (estimate_num_insns_1): Likewise.
448 * cgraph.c (hash_node): Use explicit cast when converting from
451 (cgraph_create_node): Use GGC_CNEW.
452 (cgraph_create_edge): Use GGC_NEW.
453 (cgraph_remove_node): Use explicit cast when converting from void *.
454 (hash_varpool_node): Likewise.
455 (eq_varpool_node): Likewise.
456 (cgraph_varpool_node): Use GGC_CNEW.
457 * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
458 * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
459 (eq_scev_info): Use explicit cast when converting from void *.
460 (find_var_scev_info): Likewise.
461 (set_instantiated_value): Likewise.
462 (gather_stats_on_scev_database_1): Likewise.
463 * cfgloop.h (simple_loop_desc): Use explicit cast when converting
465 * c-pch.c (c_common_write_pch): Use XNEWVEC.
466 (c_common_read_pch): Likewise.
467 * prefix.c (save_string): Use XNEWVEC.
468 (translate_name): Use explicit cast when converting from void *.
469 * c-ppoutput.c (print_line): Use explicit cast when converting
471 (pp_dir_change): Likewise.
472 * c-cppbuiltin.c (builtin_define_std): Likewise.
473 (builtin_define_with_value): Likewise.
474 (builtin_define_with_value_n): Likewise.
475 (builtin_define_with_int_value): Likewise.
476 (builtin_define_type_max): Likewise.
477 * c-incpath.c (add_env_var_paths): Use XNEWVEC.
478 (add_path): Use XNEW.
479 * c-format.c (check_format_info_main): Use GGC_NEW.
480 (format_type_warning): Use explicit cast when converting from void *.
481 * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
483 (start_init): Likewise.
484 * tree-flow-inline.h (first_referenced_var): Use explicit cast
485 when converting from void *.
486 (next_referenced_var): Likewise.
487 * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
488 * gensupport.c (lookup_predicate): Use explicit cast to convert
490 (init_predicate_table): Use XCNEW instead of xcalloc.
491 * genpreds.c (process_define_predicate): Likewise.
493 2005-12-17 Danny Berlin <dberlin@dberlin.org>
494 Kenneth Zadeck <zadeck@naturalbridge.com>
496 * basic-block.h: Changed basic block numbering so that the entry
497 block is 0 and the exit block is 1. Changed insn iterators so
498 that they are tolerant of blocks with no insns.
499 * regrename.c (copyprop_hardreg_forward): Changed basic block
500 numbering so that the entry block is 0 and the exit block is 1.
501 * sched-ebb.c (sehedule_ebbs): Ditto.
502 * tracer.c (branch_ratio_cutoff): Ditto.
503 * cfgloopmanip.c (fix_loop_structure): Ditto.
504 * cfghooks.c (verify_flow_info): Ditto.
505 * cfg.c (compact_blocks): Ditto.
506 * reorg.c (dbr_schedule): Ditto.
507 * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
508 * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
509 calculate_dominance_info): Ditto.
510 * cfganal.c (create_edge_list, print_edge_list,
511 flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
512 flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
513 dfs_enumerate_from): Ditto.
514 * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
515 * ifcvt.c (find_if_case_2): Ditto.
516 * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
517 find_basic_blocks): Ditto.
518 * predict.c (predict_loops, tree_bb_level_predictions,
519 predict_paths_leading_to, propagate_freq): Ditto.
520 * lcm.c (compute_antinout_edge, compute_laterin,
521 compute_available): Ditto.
522 * function.c (thread_prologue_and_epilogue_insns): Ditto.
523 * gcse.c (gcse_main, bypass_jumps): Ditto.
524 * profile.c (compute_branch_probabilities,
525 compute_value_histograms, branch_prob): Ditto.
526 * tree-flow-inline.h (bsi_start, bsi_after_labels,
528 * tree-ssa-phiopt.c (tree_ssa_phiopt,
529 blocks_in_phiopt_order): Ditto.
530 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
531 compute_out, link_btr_uses, migrate_btr_defs): Ditto.
532 * tree-dfa.c (collect_dfa_stats): Ditto.
533 * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
534 * cfglayout.c (fixup_reorder_chain): Ditto.
535 * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
536 partition_hot_cold_basic_blocks): Ditto.
537 * var-tracking.c (vt_find_locations): Ditto.
538 * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
539 * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
540 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
541 label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
542 * tree-ssa-reassoc.c (init_reassoc): Ditto.
543 * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
544 rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
545 * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
546 and removed unused reverse orders.
548 * combine.c: Fix document typo.
550 2005-12-17 Jan Hubicka <jh@suse.cz>
552 * tree-flow-inline.h (set_default_def, default_def): Kill.
553 * tree-dfa.c (default_defs): New global variable.
554 (default_def, set_default_def): New functions.
555 * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
556 * tree-flow.h (struct var_ann_d): Kill default_def field.
557 (set_default_def, default_def): Update prototype.
558 (default_defs): Declare.
560 2005-12-16 Jeff Law <law@redhat.com>
562 * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
563 (simplify_rhs_and_lookup_avail_expr): Kill. Remnants moved
564 into tree-ssa-forwprop.c.
565 (eliminate_redundant_computations): Do not call
566 simplify_rhs_and_lookup_avail_expr anymore.
567 * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
568 extracted from remnants of simplify_rhs_and_lookup_avail_expr.
569 (tree_ssa_forward_propagate_single_use_vars): Call
570 simplify_not_neg_expr appropriately.
572 2005-12-16 Bernd Trog <berndtrog@yahoo.com>
575 * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
577 2005-12-17 Kazu Hirata <kazu@codesourcery.com>
579 PR rtl-optimization/25456
580 * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
581 info->x_start with p->x_start.
583 2005-12-17 Alan Modra <amodra@bigpond.net.au>
585 * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
586 introduced 2005-12-16.
588 2005-12-16 Steven Bosscher <stevenb@suse.de>
590 PR rtl-optimization/23837
591 * optabs.c (expand_binop): For a multi-word rotate, never emit
592 a REG_NO_CONFLICT block.
594 2005-12-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
597 * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
600 * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
603 2005-12-16 Steven Bosscher <stevenb@suse.de>
605 * loop-invariant.c (move_loop_invariants): Add missing hunk from
606 the previous patch, to nullify df.
608 2005-12-16 Steven Bosscher <stevenb@suse.de>
610 * reorg.c (mostly_true_jump): Clean up code depending on
611 LABEL_OUTSIDE_LOOP_P and loop notes. Remove code doing
612 poor man's branch prediction, instead rely on REG_BR_PROB
613 notes to be available.
615 2005-12-16 Jakub Jelinek <jakub@redhat.com>
617 PR rtl-optimization/24899
618 * loop.c (strength_reduce): Don't reduce giv that is not always
619 computable and where add_val or mult_val can trap.
621 * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
623 2005-12-16 Nathan Sidwell <nathan@codesourcery.com>
625 * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
626 names of ms1-16-002 files.
628 2005-12-16 Alan Modra <amodra@bigpond.net.au>
631 * gcc.c (for_each_path): New function.
632 (add_to_obstack, file_at_path): New functions.
633 (struct file_at_path_info, struct add_to_obstack_info): New.
634 (build_search_list): Rewrite using for_each_path. Constify struct
635 path_prefix pointer. Add do_multi param. Adjust all callers.
636 (find_a_file): Similarly, but just change existing param to bool.
637 (putenv_from_prefixes): Add do_multi param, make "paths" const.
638 (do_spec_path): Delete.
639 (struct spec_path_info): New.
640 (spec_path): New function.
641 (do_spec_1): Use for_each_path for %D and %I.
642 (find_file): Adjust for find_a_file changes.
643 (main): Search multilibs for specs. Print multilib lib path for
644 -print-search-dirs. Likewise add multilibs to LIBRARY_PATH_ENV.
645 (read_specs): Search multilibs for %include and %include_noerr.
646 (is_directory): Remove second string param. Change last param
647 to a bool. Don't use concat. Remove SMALL_ARG_MAX test, always
648 check path is a dir. Update all callers.
649 * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
650 * system.h (SMALL_ARG_MAX): Poison.
651 * config.gcc: Don't define SMALL_ARG_MAX.
652 * config.host: Likewise.
653 * config.build: Likewise.
655 2005-12-16 Paolo Bonzini <bonzini@gnu.org>
657 * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
658 FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
659 ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
660 simplify_logical): Move simplifications that do not require
661 additional infrastructure...
662 * simplify-rtx.c (simplify_unary_operation_1,
663 simplify_binary_operation_1): ... here.
665 2005-12-16 Andreas Krebbel <krebbel1@de.ibm.com>
668 * flow.c (mark_used_dest_regs): New function.
669 (mark_used_regs): Call mark_used_dest_regs.
671 2005-12-16 Jeff Law <law@redhat.com>
673 * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
674 represent a use and definition of the same SSA_NAME.
676 2005-12-16 Jon Grimm <jgrimm2@us.ibm.com>
677 Janis Johnson <janis187@us.ibm.com>
678 Ben Elliston <bje@au.ibm.com>
680 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
681 (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
682 * target.h (struct gcc_target): Add decimal_float_supported_p.
683 * targhooks.c (default_scalar_mode_supported_p): Handle
685 * builtins.def: Add new builtins for 32, 64 and 128 bit variants
686 of inf, nan, finite, isinf and isnan.
687 * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
688 BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
689 BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
690 BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
691 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
692 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
693 BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
694 * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
695 Pedwarn if decimal floating point types are used. Error if
696 decimal floating point is not supported by the target.
697 (finish_declspecs): Return type from DFP typespec_word.
698 * c-typeck.c (c_common_type): Choose the decimal floating point
699 type with the greater precision when determining a common type.
700 (convert_arguments): Warn if there is a mismatch between argument
701 and prototype for decimal float types. Warn of conversions with
702 binary float types and of precision narrowing due to prototype.
703 * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
704 (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
705 (c_token_starts_declspecs): Likewise.
706 (c_parser_attributes): Likewise.
707 * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
708 RID_DFLOAT64, RID_DFLOAT128.
709 (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
710 * c-common.c (c_common_type_for_mode): Handle decimal float modes.
711 (shorten_compare): Convert DFP/BFP operands to a common type.
712 (c_common_modes_and_builtins): Register built-in decimal float
713 types if the target supports them.
714 (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
715 * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
716 inf, nan, finite, isinf and isnan builtins.
717 * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
718 (builtin_define_float_constants): Assert non-decimal radix.
719 (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
720 Call builtin_define_decimal_float_constants for each type.
721 * c-lex.c (interpret_float): Decode decimal float types from CPP_N
722 flags. Use real_from_string3, which can handle binary or decimal
724 * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
725 cts_dfloat64, cts_dfloat128.
726 * tree.c (build_common_tree_nodes_2): Add decimal float types.
727 * tree.h (enum tree_index): Add new enumeration values
728 TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
729 TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
730 (dfloat32_type_node): New macro.
731 (dfloat64_type_node, dfloat128_type_node): Likewise.
732 (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
733 (dfloat128_ptr_type_node): Likewise.
734 * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
735 bit decimal floating point types with "df", "dd" and "dl".
736 * c-format.h (enum format_lengths): Add new enumeration values
737 FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
738 * c-format.c (printf_length_specs, scanf_length_specs): Add
739 entries for H, D, DD.
740 (print_char_table, scan_char_table): Use new entries.
741 (asm_fprintf_char_table, gcc_diag_char_table,
742 gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
744 * defaults.h (DECIMAL32_TYPE_SIZE): Define.
745 (DECIMAL64_TYPE_SIZE): Likewise.
746 (DECIMAL128_TYPE_SIZE): Likewise.
747 (TARGET_DEC_EVAL_METHOD): Likewise.
748 * doc/extend.texi (Decimal Float): New node.
749 (Constructing Calls): Document decimal float built-ins.
750 * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
751 * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
752 * ginclude/decfloat.h: New file.
754 2005-12-16 Alan Modra <amodra@bigpond.net.au>
756 * reload.c (find_reloads): Fix comment typo.
757 * recog.h (recog_memoized): Correct comment.
759 2005-12-16 Kazu Hirata <kazu@codesourcery.com>
761 * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
762 config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
763 reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
764 tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
765 * doc/invoke.texi, doc/tm.texi: Fix typos.
767 2005-12-16 Ben Elliston <bje@au.ibm.com>
769 * real.c (decimal_quad_format): Correct values for emin, emax.
771 2005-12-15 DJ Delorie <dj@redhat.com>
773 * config/m32c/predicates.md (m32c_psi_scale): New.
774 * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
775 * config/m32c/muldiv.md (mulpsi3): Support negative constants.
777 2005-12-16 Jan Hubicka <jh@suse.cz>
779 PR rtl-optimization/25224
780 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
783 2005-12-15 Zdenek Dvorak <dvorakz@suse.cz>
784 Steven Bosscher <stevenb@suse.de>
786 * loop-invariant.c (df): New global variable.
787 (find_defs, check_dependencies, find_invariant_insn, record_uses,
788 find_invariants_bb, find_invariants_body, find_invariants,
789 find_invariants_to_move, move_invariants, free_inv_motion_data,
790 move_single_loop_invariants, move_loop_invariants): Do not pass df in
793 2005-12-15 Jakub Jelinek <jakub@redhat.com>
795 * varasm.c (default_unique_section_1): Use special section
796 names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
798 2005-12-16 Ben Elliston <bje@au.ibm.com>
800 * doc/invoke.texi (Warning Options): Document -Walways-true being
803 2005-12-15 Joseph S. Myers <joseph@codesourcery.com>
806 * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
807 * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
808 __floatunditf): Use #error if type sizes don't match requirements
810 (__floatdisf, __floatdidf): Unify. Possibly use XFmode or TFmode
811 as wider floating-point type. Use #error if type sizes don't
812 match requirements of implementation. Avoid overflow in computing
813 Wtype_MAXp1_F * Wtype_MAXp1_F. When special casing conversion,
814 shift one more bit. Cast 1 to DWtype or UDWtype for shifting.
815 (__floatundisf, __floatundidf): Likewise.
816 * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
817 * config/ia64/ia64.c (ia64_init_libfuncs): Use
818 _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
819 TFmode-TImode conversions.
820 * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
822 2005-12-14 Craig Rodrigues <rodrigc@gcc.gnu.org>
824 * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
825 Use builtin_define_with_int_value() instead of
826 adding a new check for every new major FreeBSD version.
828 2005-12-14 Andrew Pinski <pinskia@physics.uc.edu>
830 * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
832 2005-12-15 Richard Sandiford <richard@codesourcery.com>
834 * config/arm/predicates.md (call_memory_operand): New.
835 * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
837 2005-12-15 Andrew Haley <aph@redhat.com>
839 * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
840 against prev_cache_entry == NULL when moving a cache entry to the
843 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
845 * config/mt/mt.c (mt_override_options): Require lower case
846 architectures. Revert accidental default to ms2.
847 * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
848 ENDFILE_SPEC): Require lower case architectures. Revert default
851 * doc/invoke.texi (MT Options): Rename and update.
852 * doc/md.texi (MorphoTech family): Rename and update.
854 2005-12-15 Olivier Hainque <hainque@adacore.com>
856 * stor-layout.c (layout_type): Don't complain about a too small
857 an array element type size compared to its alignment when the
860 2005-12-15 Jan Hubicka <jh@suse.cz>
863 * i386.c (classify_argument): Properly adjust offset of bitfield for
866 2005-12-15 Richard Sandiford <richard@codesourcery.com>
868 * final.c (final_scan_insn): Flip in_cold_section_p when changing
869 between the hot and cold sections. Use current_function_section
870 to get the new section.
871 * dwarf2out.c (output_line_info): Use in_cold_section_p to
872 determine whether we are assembling hot or cold code.
873 (secname_for_decl, dwarf2out_var_location): Likewise.
874 (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
875 * varasm.c (last_text_section): Delete.
876 (in_cold_section_p): New variable.
877 (hot_function_section): New function.
878 (current_function_section): Pass in_cold_section_p as the
879 reloc argument to select_section. Use it to decide between
880 unlikely_function_section and hot_function_section.
881 (assemble_start_function): Use switch_to_section. Set
882 in_cold_section_p instead of last_text_section.
883 (assemble_end_function): Use switch_to_section.
884 (switch_to_section): Don't set last_text_section.
885 * config/darwin/darwin.c (machopic_select_section): Trust the reloc
886 argument to make the right choice between hot and cold sections.
888 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
890 Second part of MS1->MT renaming
891 * config/mt/mt.md (doloop_end): Call mt_add_loop.
892 (movqi, movhi): Call mt_set_memflags.
893 (*movdf_internal): Call mt_split_words.
894 (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
896 (cmpsi): Store to mt_compare_op[01].
897 (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
898 bungt, bunle, bunlt): Call mt_emit_cbranch.
899 (prologue): Call mt_expand_prologue.
900 (epilogu): Call mt_expend_epilogue.
901 (eh_return): Call mt_expand_eh_return.
902 (eh_epilogue): Call me_emit_eh_epilogue.
903 (conditional_trap): Store to mt_compare_op[01].
904 * config/mt/crti.asm: Adjust comment.
905 * config/mt/crtn.asm: Adjust comment.
906 * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
907 (mt_compare_op0, mt_compare_op1): Renamed.
908 (current_frame_info, zero_frame_info): Adjust type.
909 (mt_ucmpsi3_libcall): Renamed.
910 (mt_flag_delayed_branch): Renamed.
911 (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
912 (mt_nops_required, mt_nop_reasons): Renamed.
913 (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
914 mt_debug_stack, mt_print_operand_simple_address,
915 mt_print_operand_address, mt_print_operand): Renamed, adjusted.
916 (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
917 mt_function_arg_advance, mt_arg_partial_bytes,
918 mt_pass_by_reference, mt_function_arg_boundary,
919 mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
920 mt_legitimate_address_p): Renamed, adjusted.
922 (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
923 mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
924 mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p,
925 mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
926 mt_expand_eh_return, mt_emit_eh_prologue,
927 mt_handl_interrupt_attribute): Renamed, adjusted.
928 (mt_attribute_table): Renamed, adjusted.
929 (mt_initial_elimination_offset, mt_generate_compare,
930 mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
931 mt_secondary_reload_class, mt_function_value, mt_split_words,
932 mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
933 mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
934 (mt_labels): Renamed.
935 (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
936 mt_machine_reorg): Renamed, adjusted.
937 (mt_attribute_table: Renamed.
938 (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
939 TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
940 TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
941 * config/mt/mt.opt (march): Set mt_cpu_string.
942 * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
943 (TARGET_CPU_CPP_BUILTINS): Adjust.
944 (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
946 (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
947 (MT_MIN_INT): Renamed.
948 (RETURN_ADDR_RTX): Adjust.
949 (struct mt_frame_info): Renamed.
950 (current_frame_info): Adjust type.
951 (INITIAL_ELIMINATION_OFFSET): Adjust.
952 (MT_NUM_ARG_REGS): Renamed.
953 (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
954 FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
955 LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
956 GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
957 FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
958 (mt_compare_op0, mt_compare_op1): Renamed.
959 * config/mt/mt-protos.h: Rename prototypes.
961 2005-12-15 Richard Guenther <rguenther@suse.de>
963 * tree-flow.h (okay_component_ref_for_subvars): Remove.
964 (get_ref_base_and_extent): Declare.
965 * tree-dfa.c (okay_component_ref_for_subvars): Remove.
966 (get_ref_base_and_extent): New function.
967 * tree-ssa-alias.c (find_used_portions): Use it.
968 * tree-ssa-structalias.c (get_constraint_for_component_ref):
970 * tree-ssa-operands.c (get_expr_operands): Likewise.
972 2005-12-15 Paolo Bonzini <bonzini@gnu.org>
974 * combine.c: Remove force_to_mode's fourth parameter.
975 (force_to_mode): Do not handle REG.
976 (canon_reg_for_combine): New.
977 (make_field_assignment): Use it where the removed argument was non-NULL.
979 2005-12-15 Alan Modra <amodra@bigpond.net.au>
982 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
983 error_mark_node. Make alignment params unsigned.
984 * config/rs6000/rs6000-protos.h
985 (rs6000_special_round_type_align): Update prototype.
986 (rs6000_machopic_legitimize_pic_address): Remove arg names.
988 2005-12-14 Ulrich Weigand <uweigand@de.ibm.com>
990 PR rtl-optimization/25310
991 * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
992 of the eliminable register when substituting into a PLUS.
994 2005-12-14 Jakub Jelinek <jakub@redhat.com>
997 * config/i386/i386.c (ix86_force_to_memory): Always use
998 SImode push for HImode in -m32.
999 (ix86_free_from_memory): Likewise.
1001 2005-12-14 Richard Sandiford <richard@codesourcery.com>
1003 * gcc/config/arm/arm.md: Provide a big-endian version of the
1004 (zero_extend:SI (subreg:QI ...)) splitter.
1006 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
1008 * struct-equiv.c (note_local_live): Handle hard regs with different
1011 2005-12-14 Jeff Law <law@redhat.com>
1013 * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
1014 to a structure containing state rather than a pointer to bool.
1015 (case ARRAY_REF): New code to handle folding some array references.
1016 (case ADDR_EXPR): Note when we are processing expressions found
1017 within an ADDRE_EXPR.
1018 (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
1019 for state variables rather than just a pointer to a boolean.
1020 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1021 handling of constant string references.
1023 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
1025 * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
1026 ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
1027 ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
1028 Move other tst* patterns to retain partial order.
1030 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
1032 * config/s390/s390.md ("d0", "1"): New mode attributes.
1033 ("<shift>di3", "<shift>si3"): Merge.
1034 ("*<shift>di3_and", "*<shift>si3_and"): Merge.
1035 ("ashrdi3", "ashrsi3"): Merge.
1036 ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
1037 ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
1038 ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
1039 ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
1040 ("*ashrdi3", "*ashrsi3"): Merge.
1041 ("*ashrdi3_and", "*ashrsi3_and"): Merge.
1043 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
1045 * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
1046 ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
1047 ("*extendqidi2", "*extendqisi2") Merge.
1048 ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
1049 ("zero_extendhidi2", "zero_extendqidi2"): Merge.
1050 ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
1051 Move some patterns to retain partial ordering.
1053 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
1055 * config/s390/s390.md ("atype", "length"): Rewrite.
1056 ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
1058 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
1060 * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
1062 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
1064 * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
1065 PARALLELs with a mode.
1067 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
1069 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
1070 cond_expr parameter.
1072 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
1074 * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
1076 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
1080 * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
1083 * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
1085 2005-12-14 Jakub Jelinek <jakub@redhat.com>
1089 * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
1090 DECL_P, call get_section rather than get_named_section. Supply
1091 section flags to it.
1093 2005-12-14 Ben Elliston <bje@au.ibm.com>
1095 * c-common.c (c_common_truthvalue_conversion): Generalise warning
1096 for addresses converted to booleans; not just function addresses.
1097 * c-typeck.c (build_binary_op): Warn for address comparisons which
1098 can never be NULL (eg. func == NULL or &var == NULL).
1099 * common.opt (Walways-true): New option.
1100 * c-opts.c (c_common_handle_option): Set it with -Wall.
1101 * doc/invoke.texi: Document it.
1103 2005-12-13 Paul Brook <paul@codesourcery.com>
1105 * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
1106 __floatunsidf, __floatunsisf, __floatunsixf): New functions.
1108 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
1110 * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
1111 (EXTRA_MULTILIB_PARTS): Define.
1113 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
1115 PR rtl-optimization/20070 / part1
1116 * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
1117 count_or_remove_death_notes with kill == -1.
1118 (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
1119 registers if PROP_POST_REGSTACK is set.
1120 (mark_used_reg): Likewise.
1121 (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
1122 REG_UNUSED notes for stack regs.
1123 * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
1124 to match rtx_equiv_p machinery. Change caller.
1125 (outgoing_edges_match): Likewise.
1126 (try_crossjump_to_edge): Use struct_equiv_block_eq
1127 instead of flow_find_cross_jump.
1128 * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
1129 (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
1130 (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
1131 (STRUCT_EQUIV_MAX_LOCAL): Likewise.
1132 (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
1133 (insns_match_p): Update prototype.
1134 (flow_find_cross_jump): Remove prototype.
1135 (struct_equiv_block_eq, struct_equiv_init): Declare.
1136 (rtx_equiv_p, condjump_equiv_p): Likewise.
1137 * struct-equiv.c: Include reload.h.
1138 (IMPOSSIBLE_MOVE_FACTOR): Define.
1139 (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
1140 (struct_equiv_improve_checkpoint): Likewise.
1141 (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
1142 (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
1143 (struct_equiv_merge, find_dying_input): Likewise.
1144 (resolve_input_conflict, note_local_live): Likewise.
1145 (death_notes_match_p): Change parameters and processing
1146 to match rtx_equiv_p machinery. Change caller.
1147 (insns_match_p): Likewise.
1148 (flow_find_cross_jump): Replace with:
1149 (struct_equiv_block_eq).
1151 Back out this change:
1152 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
1153 * recog.c (verify_changes): Make it static.
1154 * recog.h: Remove the corresponding prototype.
1156 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
1158 * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
1161 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
1163 * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
1164 (MULTILIB_DIRNAMES): Add ms2. Prefix ms1 dirs with 'ms1'.
1165 * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
1166 TARGET_MS1_64_001 appropriately.
1167 (ms1_machine_reorg): Use TARGET_MS2.
1169 2005-12-13 Jakub Jelinek <jakub@redhat.com>
1173 * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
1174 and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
1175 Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
1176 * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
1177 Set mode to SI, adjust constraints.
1178 (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
1179 * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
1182 2005-12-13 Carlos O'Donell <carlos@codesourcery.com>
1184 * c-cppbuiltin.c (builtin_define_float_constants): Add
1185 fp_cast parameter, pass to builtin_define_with_hex_fp_value.
1186 Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
1187 (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
1188 (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
1189 to "((double)%sL)" otherwise "%s".
1191 2005-12-13 Paul Brook <paul@codesourcery.com>
1193 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
1196 2005-12-11 Rafael vila de Espndola <rafael.espindola@gmail.com>
1198 * tree-flow.h: Allow compilation with a C++ compiler.
1199 (struct edge_prediction): Prefix all field names with "ep_".
1200 * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
1201 (tree_predict_edge, combine_predictions_for_bb): Likewise.
1202 (remove_predictions_associated_with_edge): Likewise.
1204 2005-12-12 Jeff Law <law@redhat.com>
1206 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1208 * passes.c (init_optimization_passes): Run reassociation again
1209 after loop optimizations.
1211 2005-12-12 Daniel Berlin <dberlin@dberlin.org>
1213 * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
1215 (optimize_stmt): Ditto.
1216 (canonicalize_comparison): New function.
1217 * tree-ssa-operands.c (swap_tree_operands): Make external.
1218 (get_expr_operands): Stop auto-canonicalization.
1219 * tree-ssa-reassoc.c: Rewrite.
1220 (init_optimization_passes):
1221 * tree-flow.h (swap_tree_operands): Prototype.
1222 * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
1224 2005-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1226 * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
1227 indicate function epilogue has been output.
1228 (pa_asm_output_mi_thunk): Likewise.
1229 (output_deferred_plabels): Put plabels in readonly data section when
1230 not generating PIC code.
1231 (som_output_text_section_asm_op): Use .NSUBSPA to output debug
1232 information. Add assert.
1233 (som_output_comdat_data_section_asm_op): New function.
1234 (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
1235 instead of output_section_asm_op for COMDAT sections.
1237 2005-12-12 J"orn Rennecke <joern.rennecke@st.com>
1239 * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
1240 Fix whitespace in vincinity of to-be-installed changes.
1241 * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
1242 (insns_match_p): Likewise.
1244 2005-12-12 Nathan Sidwell <nathan@codesourcery.com>
1246 * config.gcc (ms1): Replace with ...
1248 * config/ms1: Rename to ...
1249 * config/mt: ... here. Rename ms1 files to mt.
1250 * config/mt/mt.c: Adjust gt-mt.h #include.
1251 * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
1252 (crti.o, crtn.o): Adjust file names.
1254 2005-12-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1256 * varray.h: Allow compilation with a C++ compiler.
1257 (union varray_data_tag): Prefix all field names with "vdt_".
1258 (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
1259 VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
1260 VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
1261 VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
1262 VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
1263 VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
1264 (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
1265 VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT,
1266 VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT,
1267 VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR,
1268 VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR,
1269 VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE,
1270 VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB,
1271 VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
1272 (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT,
1273 VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT,
1274 VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT,
1275 VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR,
1276 VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX,
1277 VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP,
1278 VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE,
1279 VARRAY_TOP_TREE_PTR): Likewise.
1280 * varray.c (varray_grow): Likewise.
1281 (varray_clear): Likewise.
1283 2005-12-12 Alan Modra <amodra@bigpond.net.au>
1286 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
1287 alignment to doubleword if the first field is a double array.
1288 * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
1290 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1292 * tree-ssa-structalias.c (process_constraint): Remove code to
1293 transform addressofs into scalar.
1294 (create_variable_info_for): In whole-program IPA, globals don't
1295 point to ANYTHING by default.
1297 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1299 * timevar.def (TV_IPA_PTA): New.
1300 * tree-pass.h (pass_ipa_pta): New
1301 * tree-ssa-structalias.c: Include cgraph.h
1303 (predbitmap_obstack): New.
1304 (EXECUTE_IF_IN_NONNULL_BITMAP): New.
1305 (struct constraint_stats): Add num_edges.
1306 (new_var_info): Don't call bitmap_clear.
1307 (struct constraint_edge): Update docs.
1308 (new_constraint_edge): Remove src param.
1309 (struct constraint_graph): Add zero_weight_succs,
1310 zero_weight_preds. Update docs.
1311 (constraint_expr_equal): Reformat.
1312 (constraint_edge_equal): Update for removal of src.
1313 (constraint_edge_less): Ditto.
1314 (constraint_edge_vec_find): Ditto.
1315 (erase_graph_self_edge): Update for removal of src and and zero
1317 (clear_edges_for_node): Ditto.
1318 (add_graph_edge): Ditto.
1319 (get_graph_weights): Ditto.
1320 (allocate_graph_weights): Ditto.
1321 (merge_graph_nodes): Ditto.
1322 (int_add_graph_edge): Ditto.
1323 (valid_graph_edge): Ditto.
1324 (valid_weighted_graph_edge): Ditto.
1325 (build_constraint_graph): Ditto.
1327 (collapse_nodes): Ditto.
1328 (process_unification_queue): Ditto.
1329 (topo_visit): Ditto.
1330 (solve_graph): Ditto.
1331 (do_structure_copy): Ditto.
1332 (perform_var_substitution): Ditto.
1333 Init and release obstack.
1334 (handle_ptr_arith): Try to resolve directly.
1335 (find_func_aliases): Don't call update_alias_info here
1336 Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
1337 (do_sd_constraint): Add code for propagating faster.
1339 (do_ds_constraint): Ditto.
1340 (count_num_arguments): New function.
1341 (create_function_info_for): Ditto.
1342 (create_variable_info_for): Handle FUNCTION_DECL.
1343 (intra_create_variable_infos): Use make_constraint_to_anything.
1344 (init_alias_vars): Init obstacks here.
1345 (need_to_solve): Handle zero weight graph changes.
1346 (compute_points_to_sets): Call update_alias_info here.
1347 (delete_points_to_sets): Free zero weight preds/succs here.
1348 (gate_ipa_pta): New.
1349 (ipa_pta_execute): New
1351 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1353 * tree-ssa-structalias.c (var_anyoffset): Removed.
1354 (anyoffset_tree): Ditto.
1355 (anyoffset_id): Ditto.
1356 (do_deref): Take vector of constraints, no return value.
1357 Update to work on vector.
1358 (get_constraint_for): Ditto.
1359 (get_constraint_for_component_ref): Ditto.
1360 (do_structure_copy): Ditto.
1361 (handle_ptr_arith): Ditto.
1362 (find_func_aliases): Ditto.
1363 (set_uids_in_ptset): Remove anyoffset handling.
1364 (init_base_vars): Ditto.
1366 2005-12-10 Mark Mitchell <mark@codesourcery.com>
1369 * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
1370 DECL_EXTERNAL functions have no bodies. Tidy.
1372 2005-12-10 Andreas Schwab <schwab@suse.de>
1374 * except.c (switch_to_exception_section): Only define if
1375 TARGET_UNWIND_INFO is not defined.
1377 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1379 * config/darwin.h (HAS_INIT_SECTION): Remove definition.
1380 (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
1382 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1384 * output.h (init_section, fini_section): Delete.
1385 * varasm.c (init_section, fini_section): Delete.
1386 (init_varasm_once): Don't initialize them.
1387 * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
1388 there are no corresponding varasm.c variables.
1390 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1392 * dwarf2out.c (default_eh_frame_section): Delete, moving handling
1393 of EH_FRAME_SECTION_NAME into...
1394 (switch_to_eh_frame_section): ...here. Try to set eh_frame_section
1395 if it is still null.
1396 * except.c (default_exception_section): Delete, moving most
1398 (switch_to_exception_section): ...this new function. Set
1399 exception_section if it is still null, then switch to it.
1400 (output_function_exception_table): Use switch_to_exception_section.
1401 * varasm.c (exception_section, eh_frame_section): Update comments.
1402 (get_section): Hoist use of SECTION_NAMED.
1403 (init_varasm_once): Don't set exception_section and eh_frame_section.
1404 * output.h (default_exception_section): Delete.
1405 (default_eh_frame_section): Delete.
1407 2005-12-09 Bernd Schmidt <bernd.schmidt@analog.com>
1409 * config/bfin/bfin.c: Include "cgraph.h".
1410 (bfin_load_pic_reg): Omit loading pic reg if in a local function.
1411 Return the reg that holds the pointer to the GOT.
1412 (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
1413 doing stack checking.
1415 2005-12-09 Diego Novillo <dnovillo@redhat.com>
1417 * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
1418 recompute_tree_invarant_for_addr_expr.
1419 Update uses everywhere.
1421 2005-12-09 Aldy Hernandez <aldyh@redhat.com>
1423 * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
1424 (MULTILIB_DIRNAMES): Define.
1426 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
1429 * config/s390/s390.c (struct s390_address): New field literal_pool.
1430 (s390_decompose_address): Compute literal_pool field. Do not
1431 assume register %r13 is always (and solely) used as pool base.
1432 (s390_extra_constraint_str): Use literal_pool field.
1434 2005-12-09 Thiemo Seufer <ths@networkno.de>
1436 * config/mips/mips.c (override_options): Don't allow too small
1437 integers in FP registers.
1439 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
1441 * config/s390/s390.c (s390_function_ok_for_sibcall): Use
1442 targetm.binds_local_p to check for local function calls.
1444 2005-12-09 Alan Modra <amodra@bigpond.net.au>
1447 * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1448 call_used_regs can't be used to save reg in another reg.
1450 2005-12-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1451 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1453 * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1455 * except.c (output_ttype): Likewise.
1456 * tree-object-size.c (collect_object_sizes_for): Likewise.
1457 (check_for_plus_in_loops_1): Likewise.
1458 (check_for_plus_in_loops): Likewise.
1459 (compute_object_sizes): Use gcc_unreachable instead of abort.
1461 2005-12-08 Nathan Sidwell <nathan@codesourcery.com>
1463 * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1464 (loop_end, loop_init, doloop_end): New insns.
1465 * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1466 (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1467 (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1468 (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1469 * config/ms1/ms1.c: #include basic-block.h
1470 (struct machine_function): Add has_loops field.
1471 (ms1_add_loop): New.
1472 (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1473 (struct loop_info, struct loop_work): New.
1474 (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1475 (ms1_reorg_loops): New loop optimization.
1476 (ms1_machine_reorg): Call it.
1477 * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1479 2005-12-08 Zdenek Dvorak <dvorakz@suse.cz>
1481 PR tree-optimization/25248
1482 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1483 evolution_of_loop from the failed attempt. Remove handling
1486 2005-12-08 Gabriel Dos Reis <gdr@integrable-solutions.net>
1488 * tree.h (DECL_EXTERNAL): Clarify documentation.
1490 2005-12-08 Andreas Krebbel <krebbel1@de.ibm.com>
1491 Jakub Jelinek <jakub@redhat.com>
1494 * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1495 argument. Don't drop outer ANDs.
1496 (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1497 * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1499 * config/s390/predicates.md (setmem_operand): Remove.
1500 (shift_count_operand): Rename to...
1501 (shift_count_or_setmem_operand): ... this. Adjust
1502 s390_decompose_shift_count caller.
1503 * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1504 ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1505 ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1506 <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1507 rotl<mode>3_and, setmem_long_and): New insns.
1508 (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1509 ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1510 <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1511 <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1512 of shift_count_operand.
1513 (setmem_long): Use shift_count_or_setmem_operand instead of
1516 2005-12-08 Daniel Jacobowitz <dan@codesourcery.com>
1517 Andreas Tobler <a.tobler@schweiz.ch>
1519 * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1522 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1524 * expr.c (force_operand): Use convert_to_mode for conversions.
1526 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1528 * reload.h (reg_equiv_invariant): Declare.
1529 * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1530 register also when reg_equiv_invariant[R] is set.
1532 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1533 Andreas Tobler <a.tobler@schweiz.ch>
1535 * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1537 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
1539 * tree-ssa-pre.c (bitmap_set_and): New function.
1540 (bitmap_set_and_compl): New function.
1541 (bitmap_set_empty_p): New function.
1542 (insert_extra_phis): New function.
1543 (compute_avail): Use insert_extra_phis.
1545 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
1547 * config/s390/s390.c (s390_expand_atomic): New function.
1548 Adjust comment of helper functions.
1549 * config/s390/s390-protos.h (s390_expand_atomic): Declare.
1550 * config/s390/s390.md ("ATOMIC"): New code macro.
1551 ("atomic"): Corresponding new code attribute.
1552 ("sync_lock_test_and_set[hq]i",
1553 "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1555 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
1557 * config/s390/s390.c (s390_expand_mask_and_shift,
1558 struct alignment_context, init_alignment_context,
1559 s390_expand_cs_hqi): New.
1560 * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1561 * config/s390/s390.md ("sync_compare_and_swaphi",
1562 "sync_compare_and_swapqi"): New pattern.
1564 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
1566 Fix PR tree-optimization/25291
1567 * tree-ssa-operands.c (add_call_clobber_ops): Remove
1568 redundant and crashing check.
1570 2005-12-08 Alan Modra <amodra@bigpond.net.au>
1573 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1574 tests further when !strict && reload_in_progress.
1575 (print_operand): Check that both operands of indexed address are regs.
1576 (print_operand_address): Likewise.
1577 * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1578 (INT_REG_OK_FOR_BASE_P): Correct.
1580 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1582 Preparation for PR rtl-optimization/20070 / part1
1583 * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1584 * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1585 outgoing_edges_match.
1586 (outgoing_edges_match): Use condjump_equiv_p.
1587 (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1589 * struct-equiv.c: New file.
1590 (death_notes_match_p) New function, broken out of insns_match_p.
1591 * Makefile.in (OBJS-common): Add struct-equiv.o.
1592 (struct-equiv.o): New target.
1594 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1596 * coretypes.h: Revert previous change.
1597 * config/darwin.h: Revert previous reversion.
1598 * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1600 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1602 * coretypes.h (section): Provide dummy definition for target files.
1603 * config/darwin.h: Revert previous change.
1605 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1607 * doc/sourcebuild.texi (all.build, install-normal): Remove.
1608 * configure.ac: Remove all.build and install-normal from target_list
1609 * configure: Regenerate.
1610 * Makefile.in (install): Don't depend on install-normal.
1612 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1614 * Makefile.in: Document the use of stamps.
1616 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1618 * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1619 * Makefile.in: Add code to compute some dependencies on s-gtype
1620 automatically. Remove the declaration of those dependencies.
1622 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1624 * gcc/reload.c (push_secondary_reload): Fix typo:
1625 s/insn_constraint/scratch_constraint/.
1627 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1629 * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1631 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1633 * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1634 (alpha_elf_select_rtx_section): Return the selected section rather
1635 than emitting assembly code.
1636 (alpha_write_linkage): Emit a ".link" directive directly and then
1637 set in_section to NULL.
1638 (vms_asm_out_constructor): Use switch_to_section.
1639 (vms_asm_out_destructor): Likewise.
1640 (unicosmk_output_common): Set in_section to NULL instead of calling
1641 the dummy common_section function.
1642 (unicosmk_text_section): Delete in favor of...
1643 (unicosmk_output_text_section_asm_op): ...this new function.
1644 (unicosmk_data_section): Delete in favor of...
1645 (unicosmk_output_data_section_asm_op): ...this new function.
1646 (unicosmk_init_sections): New function.
1647 (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1648 (unicosmk_output_ssib): Set in_section to NULL instead of calling
1649 the dummy ssib_section function.
1650 (unicosmk_section_buf): Delete.
1651 * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1652 (unicosmk_data_section): Delete.
1653 * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1654 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1655 (SECTION_FUNCTION_TEMPLATE): Delete.
1656 * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1657 (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1658 (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1659 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1660 (TARGET_ASM_INIT_SECTIONS): Define.
1661 * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1662 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1663 (link_section, literals_section): Delete.
1664 (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1665 set in_section to NULL.
1667 * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1668 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1669 (COMMON_SECTION): Delete.
1670 (TARGET_ASM_INIT_SECTIONS): Define.
1671 (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1672 the dummy common_section function.
1673 * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1674 * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1675 between readonly_data_section and text_section to check whether
1676 read-only data is being put in the text section.
1677 (arm_output_function_epilogue): Use switch_to_section.
1678 (arm_elf_asm_constructor): Likewise.
1679 (thumb_call_via_reg): Replace call to in_text_section with
1680 a comparison between in_section and text_section.
1681 (arm_file_end): Use switch_to_section.
1682 (aof_text_section): Delete in favor of...
1683 (aof_output_text_section_asm_op): ...this new function.
1684 (aof_data_section): Delete in favor of...
1685 (aof_output_data_section_asm_op): ...this new function.
1686 (aof_asm_init_sections): New function.
1687 (zero_init_section): Moved from config/arm/aof.h.
1688 (aof_dump_imports, aof_file_start): Use switch_to_section.
1689 * config/arm/arm.h (thumb_call_via_label): Update comment.
1690 * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1691 (common_section): Delete.
1692 * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1693 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1694 global switch_to_section function instead of the old port-local one.
1695 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1696 (SWITCH_TO_SECTION_FUNCTION): Delete.
1697 (drectve_section): Redefine as a macro.
1698 * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1699 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1702 * config/avr/avr.c (progmem_section): New variable.
1703 (avr_output_progmem_section_asm_op): New function.
1704 (avr_asm_init_sections): New function.
1705 (avr_output_addr_vec_elt): Use switch_to_section.
1706 * config/avr/avr.h (progmem_section): Declare.
1707 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1708 (READONLY_DATA_SECTION): Delete.
1709 (TARGET_ASM_INIT_SECTIONS): Define.
1710 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1711 * config/avr/avr-protos.h (progmem_section): Delete.
1713 * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1715 * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1716 (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1718 * config/darwin-sections.def: New file.
1719 * config/darwin.c: Define all sections in darwin-sections.def.
1720 (output_objc_section_asm_op, darwin_init_sections): New functions.
1721 (machopic_output_indirection): Use switch_to_section.
1722 (machopic_select_section): Return the selected section rather than
1723 emitting assembly code. Replace the static function table with
1724 inline conditional expressions. Update the tests of last_text_section
1725 and move them into the FUNCTION_DECL block.
1726 (machopic_select_rtx_section): Return the selected section rather than
1727 emitting assembly code.
1728 (machopic_asm_out_constructor, machopic_asm_out_destructor)
1729 (darwin_file_end): Use switch_to_section.
1730 * config/darwin.h: Use darwin-sections.def to declare sections.
1731 (INIT_SECTION_ASM_OP): Remove empty definition.
1732 (HAS_INIT_SECTION): Define this instead.
1733 (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1734 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1735 (TARGET_ASM_EH_FRAME_SECTION): Delete.
1736 (TARGET_ASM_INIT_SECTIONS): Define.
1737 * config/darwin-protos.h (darwin_init_sections): Declare.
1738 (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1739 (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1740 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1741 (constructor_section, destructor_section, mod_init_section): Delete.
1742 (mod_term_section): Delete.
1743 (darwin_exception_section, darwin_eh_frame_section): Delete.
1744 (machopic_select_section): Return a section.
1745 (machopic_select_rtx_section): Likewise.
1746 (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1747 (const_section, const_coal_section, const_data_section): Delete.
1748 (const_data_coal_section, data_coal_section, cstring_section): Delete.
1749 (literal4_section, literal8_section, constructor_section): Delete.
1750 (mod_init_section, mod_term_section, destructor_section): Delete.
1751 (objc_class_section, objc_meta_class_section, objc_category_section)
1752 (objc_class_vars_section, objc_instance_vars_section): Delete.
1753 (objc_cls_meth_section, objc_inst_meth_section): Delete.
1754 (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1755 (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1756 (objc_symbols_section, objc_module_info_section): Delete.
1757 (objc_image_info_section, objc_protocol_section): Delete.
1758 (objc_string_object_section, objc_constant_string_object_section)
1759 (objc_class_names_section, objc_meth_var_names_section): Delete.
1760 (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1761 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1762 (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1763 (darwin_exception_section, darwin_eh_frame_section): Delete.
1764 * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1766 * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1767 (frv_asm_out_destructor): Likewise.
1768 * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1769 (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1770 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1772 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1773 * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1774 (data_section): Delete.
1776 * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1777 (DRECTVE_SECTION_FUNCTION): Delete.
1778 (drectve_section): Redefine as a macro that sets in_section after
1779 emitting the directive.
1780 (SWITCH_TO_SECTION_FUNCTION): Delete.
1781 * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1782 in_text_section with comparison between in_section and text_section.
1783 * config/i386/i386.c (x86_64_elf_select_section): Return the section
1784 rather than emitting assembly code. Use get_named_section.
1785 (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1787 (machopic_output_stub): Use switch_to_section.
1788 * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1789 (nwld_named_section_asm_out_destructor): Use get_section and
1792 * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1793 rather than emitting assembly code.
1794 (ia64_rwreloc_select_section): Likewise.
1795 (ia64_rwreloc_select_rtx_section): Likewise.
1796 * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1797 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1799 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1800 (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1802 * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1803 section rather than emitting assembly code.
1804 (iq2000_select_section): Likewise.
1805 * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1806 (sbss_section): Delete.
1808 * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1809 and get_named_section.
1810 * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1812 * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1813 (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1814 (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1815 (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1817 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1818 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1819 global switch_to_section function instead of the old port-local one.
1820 * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1821 (SWITCH_SECTION_FUNCTION): Delete.
1822 * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1823 (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1824 (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1825 (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1827 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1828 global switch_to_section function instead of the old port-local one.
1829 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1831 * config/mips/mips.c (mips_file_start): Update comment.
1832 (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1833 (mips_output_aligned_decl_common): Use switch_to_section.
1834 (mips_select_rtx_section): Return the section rather than emitting
1835 assembly code. Use get_named_section.
1836 (mips_function_rodata_section: Likewise get_section.
1837 (build_mips16_function_stub): Use switch_to_section.
1838 * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1839 (SDATA_SECTION_ASM_OP): Delete.
1840 * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1841 (EXTRA_SECTION_FUNCTIONS): Delete.
1843 * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1844 (mmix_asm_output_aligned_local): Use switch_to_section.
1846 * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1847 (som_one_only_readonly_data_section): New variables.
1848 (pa_output_function_epilogue): Set in_section to NULL instead of
1849 calling forget_section.
1850 (output_deferred_plabels): Use select_section.
1851 (pa_asm_output_mi_thunk): Likewise. Set in_section to NULL instead
1852 of calling forget_section.
1853 (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1854 (pa_asm_output_aligned_local): Use select_section.
1855 (som_text_section_asm_op): Delete in favor of...
1856 (som_output_text_section_asm_op): ...this new function.
1857 (pa_som_asm_init_sections): New function.
1858 (pa_select_section): Return the section rather than emitting
1860 * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1861 (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1862 (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1863 (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1864 * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1865 (som_readonly_data_section, som_one_only_readonly_data_section)
1866 (som_one_only_data_section, forget_section): Delete.
1867 * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1868 (TARGET_ASM_INIT_SECTIONS): Define.
1869 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1871 * config/rs6000/rs6000.c (read_only_data_section): New variable.
1872 (private_data_section, read_only_private_data_section): New variables.
1873 (sdata2_section, toc_section): New variables.
1874 (rs6000_file_start): Use switch_to_section.
1875 (rs6000_assemble_integer): Use comparisons against in_section
1876 instead of calling in_toc_section and in_text_section. Use
1877 unlikely_text_section_p.
1878 (rs6000_elf_output_toc_section_asm_op): New function, derived
1879 from the old rs6000/sysv4.h toc_section function.
1880 (rs6000_elf_asm_init_sections): New function.
1881 (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1882 the section rather than emitting assembly code.
1883 (machopic_output_stub): Use switch_to_section.
1884 (toc_section): Delete dummy function.
1885 (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1886 switch_to_section and get_section.
1887 (rs6000_xcoff_output_readonly_section_asm_op): New function.
1888 (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1889 (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1890 the old rs6000/xcoff.h toc_section function.
1891 (rs6000_xcoff_asm_init_sections): New function.
1892 (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1893 the section rather than emitting assembly code.
1894 (rs6000_xcoff_file_start): Use switch_to_section.
1895 (rs6000_xcoff_file_end): Likewise.
1896 * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1897 (sdata2_section, sbss_section, private_data_section): Delete.
1898 (read_only_data_section, read_only_private_data_section): Delete.
1899 * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1900 (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1901 (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1902 (FINI_SECTION_FUNCTION): Delete.
1903 (TARGET_ASM_INIT_SECTIONS): Define.
1904 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1905 * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1906 (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1907 (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1908 (READONLY_DATA_SECTION): Delete.
1909 (TARGET_ASM_INIT_SECTIONS): Define.
1910 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. Set in_section
1911 to NULL rather than no_section.
1912 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1914 * config/sh/sh.c (sh_file_start): Use switch_to_section.
1916 * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1917 (sparc_output_deferred_case_vectors): Likewise. Remove argument
1918 from call to current_function_section.
1920 * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1921 (bss100_section): New variable.
1922 (xstormy16_asm_output_aligned_common): Use switch_to_section.
1923 (xstormy16_asm_init_sections): New function.
1924 (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1925 switch_to_section and get_section.
1926 (xstormy16_output_addr_vec): Use switch_to_section. Remove argument
1927 from calls to current_function_section.
1928 * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1929 (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1930 (TARGET_ASM_INIT_SECTIONS): Define.
1931 * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1933 * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1934 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1935 (FINI_SECTION_FUNCTION): Delete.
1937 * config/v850/v850.c: Include gt-v850.h.
1938 (rosdata_section, rozdata_section, tdata_section, zdata_section)
1939 (zbss_section): New variables.
1940 (v850_output_aligned_bss): Use switch_to_section.
1941 (v850_asm_init_sections): New function.
1942 (v850_select_section): Return the section rather than emitting
1944 * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1945 (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1946 (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1947 (TARGET_ASM_INIT_SECTIONS): Define.
1948 * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1949 (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1950 (zbss_section): Delete.
1952 * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1954 * config/vx-common.h (vxworks_exception_section): Delete.
1955 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1957 * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1958 section rather than emitting assembly code.
1959 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1962 * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1963 * coretypes.h (section): New union and typedef.
1964 * dbxout.c (FORCE_TEXT): Use switch_to_section. Remove argument
1965 from call to current_function_section.
1966 (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1967 (dbxout_symbol_location): Use switch_to_section.
1968 * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1969 most of the code into...
1970 (default_eh_frame_section): ...here. Return a section.
1971 (collect2_eh_frame_section): Delete, moving most of the code into..
1972 (switch_to_eh_frame_section): ...this new function.
1973 (debug_info_section, debug_abbrev_section, debug_aranges_section)
1974 (debug_macinfo_section, debug_line_section, debug_loc_section)
1975 (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1977 (output_call_frame_info): Call switch_to_eh_frame_section instead of
1978 eh_frame_section. Use switch_to_section and get_section.
1979 (dwarf2out_begin_prologue): Use switch_to_section.
1980 (AT_string_form): Check the flags in debug_str_section instead of
1981 DEBUG_STR_SECTION_FLAGS.
1982 (output_comp_unit): Use switch_to_section, get_section, and
1984 (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1985 (dwarf2out_begin_block): Use switch_to_section. Remove argument
1986 from call to current_function_section.
1987 (dwarf2out_var_location): Use unlikely_text_section_p.
1988 (dwarf2out_source_line): Use switch_to_section. Remove argument
1989 from call to current_function_section.
1990 (dwarf2out_start_source_file, dwarf2out_end_source_file)
1991 (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1992 debug_macinfo_section.
1993 (dwarf2out_init): Initialize the new section variables. Use them
1994 instead of calls to named_section_flags. Use switch_to_section.
1995 (output_indirect_string): Use switch_to_section and debug_str_section.
1996 (dwarf2out_finish): Use switch_to_section and the new section
1998 * except.c (default_exception_section): Return the section instead
1999 of emitting assembly code.
2000 (output_function_exception_table): Use the global exception_section
2001 variable instead of the target hook. Use switch_to_section. Remove
2002 argument from call to current_function_section.
2003 * final.c (HAVE_READONLY_DATA_SECTION): Delete.
2004 (shorten_branches): Use pointer comparisons to detect whether the
2005 text section is the same as readonly_data_section.
2006 (profile_function): Use switch_to_section. Remove argument from
2007 call to current_function_section.
2008 (final_scan_insn): Likewise. Update use of last_text_section.
2009 * gengtype.c (open_base_files): Add an include of output.h.
2010 * output.h (text_section, data_section, readonly_data_section)
2011 (ctors_section, dtors_section, bss_section, init_section)
2012 (fini_section, sdata_section): Turn into section pointers.
2013 (in_text_section, in_unlikely_text_section, exports_section)
2014 (drectve_section, named_section, mergeable_string_section)
2015 (last_text_section_name): Delete.
2016 (default_exception_section, default_eh_frame_section): Return sections.
2017 (SECTION_DECLARED, SECTION_NAMED): New macros.
2018 (SECTION_MACH_DEP): Bump value.
2019 (section_common, named_section, unnamed_section): New structures.
2020 (unnamed_section_callback): New typedef.
2021 (section): New union.
2022 (sbss_section, exception_section, eh_frame_section): New variables.
2023 (in_section, last_text_section): Turn into section pointers.
2024 (get_unnamed_section, get_section, get_named_section): New functions.
2025 (mergeable_constant_section, function_section): Return a section.
2026 (unlikely_text_section): Likewise.
2027 (current_function_section): Likewise. Remove the decl argument.
2028 (unlikely_text_section_p, switch_to_section): New functions.
2029 (output_section_asm_op): New function.
2030 (set_named_section_flags, named_section_flags, named_section_real)
2031 (named_section_first_declaration): Delete.
2032 (default_select_section, default_elf_select_section): Return a section.
2033 (default_elf_select_section_1, default_function_rodata_section)
2034 (default_no_function_rodata_section, default_select_rtx_section)
2035 (default_elf_select_rtx_section): Likewise.
2036 * rtl.h (in_data_section): Delete.
2037 * sdbout.c (sdbout_one_type): Use switch_to_section.
2038 * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
2039 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
2040 (TARGET_ASM_EH_FRAME_SECTION): Poison.
2041 * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
2042 (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
2043 (TARGET_ASM_OUT): Update after above changes.
2044 * target.h (init_sections): New hook.
2045 (exception_section, eh_frame_section): Delete.
2046 (select_section, select_rtx_section, function_rodata_section): Return
2047 a section rather than emitting assembly code.
2048 * varasm.c (text_section, data_section, readonly_data_section)
2049 (ctors_section, dtors_section, bss_section, init_section)
2050 (fini_section): Turn into section pointers.
2051 (sdata_section, sbss_section, exception_section): New variables.
2052 (eh_frame_section): New variable.
2053 (in_section): Make global and turn into a section pointer.
2054 (last_text_section): Turn into a section pointer.
2055 (unnamed_sections): New variable.
2056 (in_named_name, last_text_section_name): Delete.
2057 (EXTRA_SECTION_FUNCTIONS): Delete.
2058 (in_named_entry): Delete.
2059 (section_htab): New variable, replacing...
2060 (in_named_htab): ...this deleted variable.
2061 (section_entry_eq, section_entry_hash): New functions, based on...
2062 (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
2063 (get_unnamed_section, get_section): New functions.
2064 (unlikely_text_section): Return a section instead of emitting
2066 (in_text_section, in_unlikely_text_section, in_data_section): Delete.
2067 (get_named_section_flags, named_section_first_declaration): Delete.
2068 (unlikely_text_section_p): New function.
2069 (named_section_real, named_section): Delete.
2070 (get_named_section): New function.
2071 (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
2072 (function_section): Return a section rather than emitting
2074 (current_function_section): Likewise. Remove argument. Use
2075 last_text_section if nonnull, otherwise use function_section.
2076 (default_function_rodata_section): Return a section rather than
2077 emitting assembly code. Use get_section.
2078 (default_no_function_rodata_section): Return a section rather than
2079 emitting assembly code.
2080 (variable_section): Use switch_to_section and get_named_section.
2081 (mergeable_string_section): Return a section rather than emitting
2082 assembly code. Use get_section. Make static. Don't take special
2083 countermeasures for empty strings.
2084 (mergeable_constant_section): Return a section rather than emitting
2085 assembly code. Use get_section.
2086 (default_named_section_asm_out_destructor): Use switch_to_section
2088 (default_dtor_section_asm_out_destructor): Use switch_to_section.
2089 (default_named_section_asm_out_constructor): Use switch_to_section
2091 (default_ctor_section_asm_out_constructor): Use switch_to_section.
2092 (assemble_start_function): Likewise. Set last_text_section to
2093 NULL rather than no_section. Change the type of save_section.
2094 (assemble_zeros, assemble_variable): Use the section flags to detect
2095 whether or not a section is text.
2096 (assemble_static_space): Use switch_to_section.
2097 (assemble_trampoline_template): Likewise.
2098 (output_constant_def_contents): Use switch_to_section and
2100 (output_constant_pool_1): Use switch_to_section. Use the section
2101 flags to see whether sections contain mergeable data.
2102 (init_varasm_once): Initialize section_htab instead of in_named_htab.
2103 Initialize new section variables. Call TARGET_ASM_INIT_SECTIONS.
2104 (default_elf_asm_named_section): Use SECTION_DECLARED to detect
2105 whether a section has already been declared.
2106 (default_select_section, default_elf_select_section): Return a
2107 section rather than emitting assembly code.
2108 (default_elf_select_section_1): Likewise. Use bss_section for
2109 SECCAT_BSS if nonnull. Use get_named_section.
2110 (default_select_rtx_section): Return a section rather than
2111 emitting assembly code.
2112 (default_elf_select_rtx_section): Likewise. Use get_named_section.
2113 (file_end_indicate_exec_stack): Use switch_to_section and get_section.
2114 (output_section_asm_op, switch_to_section): New functions.
2115 * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
2118 * doc/tm.texi: Expand the introduction to the sections documentation.
2119 (TRAMPOLINE_SECTION): Document new interface.
2120 (SDATA_SECTION_ASM_OP): Document new macro.
2121 (READONLY_DATA_SECTION): Delete.
2122 (SDATA_SECTION_ASM_OP): Document new macro.
2123 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2124 (TARGET_ASM_INIT_SECTIONS): Document new hook.
2125 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
2126 (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
2127 (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
2129 2005-12-07 Alan Modra <amodra@bigpond.net.au>
2131 * gcc.c (init_gcc_specs): Match braces inside conditionally
2134 2005-12-06 Geoffrey Keating <geoffk@apple.com>
2136 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
2138 2005-12-06 Aldy Hernandez <aldyh@redhat.com>
2141 * tree.c (integer_all_onesp): Always return true if all bits on.
2143 * testsuite/g++.dg/init/array0.C: New.
2145 2005-12-06 Adrian Straetling <straetling@de.ibm.com>
2147 * doc/md.texi: Adapt to implementation.
2149 2005-12-06 Andreas Schwab <schwab@suse.de>
2151 * opts.c (decode_options): Fix typo in message.
2153 2005-12-06 Alan Modra <amodra@bigpond.net.au>
2156 * longlong.h: Merge PPC tests from upstream.
2158 2005-12-06 Richard Guenther <rguenther@suse.de>
2160 * fold-const.c (fold_convert): Do not build and fold
2161 CONVERT_EXPR, but always use NOP_EXPR.
2163 2005-12-06 Jan Beulich <jbeulich@novell.com>
2165 * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
2166 __builtin_ia32_paddq and __builtin_ia32_subq.
2167 (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
2168 __builtin_ia32_pshufw.
2169 * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
2171 2005-12-05 James E Wilson <wilson@specifix.com>
2174 * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
2177 2005-12-05 Daniel Berlin <dberlin@dberlin.org>
2179 * print-tree.c (print_node): Ditto.
2180 * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
2181 * tree-dump.c (dequeue_and_dump): Check for decl_common structure
2182 before accessing DECL_ARTIFICIAL.
2183 Handle new tag tree codes.
2184 * tree-flow-inline.h (clear_call_clobbered): Update for tag
2186 (unmodifiable_var_p): Ditto.
2187 * tree-flow.h (mem_tag_kind): Remove.
2188 (struct var_ann_d): Remove mem_tag_kind member.
2189 * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
2190 * tree-pretty-print.c (dump_generic_node): Handle memory tags.
2191 * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
2192 (group_aliases): Ditto.
2193 (setup_pointers_and_addressables): Ditto.
2194 (is_escape_site): Ditto.
2195 (may_alias_p): Ditto.
2196 (create_tag_raw): New function.
2197 (create_memory_tag): Use it.
2198 (dump_alias_info): Update for tags.
2199 (may_be_aliased): Ditto.
2200 (add_type_alias): Ditto.
2201 (new_type_alias): Ditto.
2202 (create_sft): Ditto.
2203 (create_structure_vars): Ditto.
2204 * tree-ssa-ccp.c (get_default_value): Ditto.
2205 * tree-ssa-operands.c (get_expr_operands): Ditto.
2206 (add_stmt_operand): Ditto.
2207 (add_call_clobber_ops): Remove duplicated condition.
2208 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2210 * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
2211 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2212 * tree.c (init_ttree): Update structures for new tree codes.
2213 (tree_code_size): Update sizes for new tree codes.
2214 (make_node_stat): Don't try to set common things on minimal
2216 (tree_node_structure): Update for tags.
2217 (is_global_var): Ditto.
2218 * tree.def: Add new tree codes.
2219 * tree.h (MTAG_P): New macro.
2220 (TREE_MEMORY_TAG_CHECK): Ditto.
2221 (SSA_VAR_P): Update for tags.
2222 (struct tree_memory_tag): New structure.
2223 (MTAG_GLOBAL): New macro.
2224 (union tree_node): Add memory tag member.
2225 * treestruct.def (TS_MEMORY_TAG): New.
2227 2005-12-05 Dale Johannesen <dalej@apple.com>
2229 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match
2230 what was approved (PR 24323).
2232 2005-12-05 Gabriel Dos Reis <gdr@integrable-solutions.net>
2234 * doc/c-tree.texi (Function Bodies): Remove description of
2237 2005-12-05 Joseph S. Myers <joseph@codesourcery.com>
2239 * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
2240 __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
2241 __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
2242 __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
2243 __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
2244 __divxc3): Document.
2246 2005-12-05 Geoffrey Keating <geoffk@apple.com>
2248 * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
2250 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
2251 hook_bool_void_false.
2252 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2253 * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
2255 * config/darwin.c (machopic_select_section): It's not defined
2256 as weak if it's only marked as weak_import.
2258 * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
2261 * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
2262 A hidden weak object does bind locally. Strong linkonce data
2263 counts like any other strong symbol for binding.
2264 (weak_finish_1): Don't specially handle weakrefs, they no longer
2266 (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
2267 * c-common.c (handle_alias_attribute): Allow static aliases
2269 (handle_weakref_attribute): Don't call declare_weak on weakrefs.
2270 * gthr-dce.h: Make weakrefs static.
2271 * gthr-tpf.h: Likewise.
2272 * gthr-solaris.h: Likewise.
2273 * gthr-posix.h: Likewise.
2274 * gthr-posix95.h: Likewise.
2275 * config/darwin.c (darwin_encode_section_info): static weakref
2276 variables are not necessarily defined in this translation unit.
2277 * doc/extend.texi (Function Attributes): Mention that an alias
2278 attribute creates a definition for the thing it's attached to.
2279 Change the documentation for weakref to say that the thing
2280 it's attached to must be static.
2282 * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
2283 we don't go into an infinite loop.
2285 2005-12-05 Paolo Bonzini <bonzini@gnu.org>
2287 * config/rs6000/predicates.md (logical_const_operand): Split
2288 out of logical_operand.
2289 (logical_operand): Use it.
2290 * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
2291 logical_const_operand.
2293 2005-12-05 Jan Beulich <jbeulich@novell.com>
2295 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
2296 and IX86_BUILTIN_CMPNESS.
2297 (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
2298 * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
2299 * config/i386/i386.md (movti_internal): Correct type attribute.
2300 Simplify mode attribute.
2301 (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
2302 Correct type attribute.
2303 (absxf2): Correct operator.
2304 * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
2305 movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
2306 * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
2308 (sse2_vmsqrtv2df2): Correct mode attribute.
2310 2005-12-05 Jan Beulich <jbeulich@novell.com>
2312 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
2313 16 bits. Provide insn pattern for this case.
2315 2005-12-05 Jan Beulich <jbeulich@novell.com>
2317 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
2319 (__popcountDI2): Likewise.
2321 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2324 * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
2325 _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
2326 * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
2329 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
2331 * c-typeck.c (null_pointer_constant_p): New function.
2332 (build_conditional_expr, build_c_cast, convert_for_assignment,
2333 build_binary_op): Use it.
2335 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
2337 * c-common.c (binary_op_error): Do not allow NOP_EXPR.
2338 (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
2340 (check_function_arguments_recurse): Allow both NOP_EXPR and
2341 CONVERT_EXPR but check conversions preserve precision.
2342 * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
2343 but check conversions preserve precision.
2344 (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in
2347 2005-12-04 Roger Sayle <roger@eyesopen.com>
2350 * common.opt (Wstring-literal-comparison): New command line option.
2351 * c-opts.c (c_common_handle_option): Set it with -Wall.
2352 * c-typeck.c (parser_build_binary_op): Issue warning if either
2353 operand of a comparison operator is a string literal, except for
2354 testing equality or inequality against NULL.
2356 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
2358 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
2360 * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
2361 of building a NOP_EXPR.
2362 (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as
2364 * c-convert.c (convert): Use fold_convert instead of building
2365 NOP_EXPRs and CONVERT_EXPRs directly. Don't special case
2366 c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove
2368 * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
2369 NOP_EXPR the same as CONVERT_EXPR.
2370 * c-typeck.c (build_function_call): Use fold_convert instead of
2371 building a NOP_EXPR directly.
2372 (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
2374 2005-12-03 Alan Modra <amodra@bigpond.net.au>
2376 PR rtl-optimization/25197
2377 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
2380 2005-12-02 Stuart Hastings <stuart@apple.com>
2382 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
2385 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
2387 * c-typeck.c (default_function_array_conversion,
2388 build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
2389 (build_conditional_expr): Apply integer_zerop to orig_op1 and
2390 orig_op2. Don't check them for NOP_EXPR.
2391 (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
2392 around integer zero.
2394 2005-12-03 Alan Modra <amodra@bigpond.net.au>
2396 * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
2397 toc_save_offset, toc_size, lr_size.
2398 (rs6000_stack_info): Use memset rather than bss struct copy to init.
2399 Test rs6000_ra_ever_killed last in condition setting lr_save_p.
2400 Adjust for removal of unused rs6000_stack_t fields.
2401 (debug_stack_info): Adjust.
2402 (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls
2403 first, and don't bother checking for set/inc of lr on sibcalls.
2404 (rs6000_emit_epilogue): Tidy code restoring stack pointer.
2406 2005-12-02 Jakub Jelinek <jakub@redhat.com>
2409 * config/i386/i386.md (movqi_1): Only force imovx for alternative
2410 5 if operand 1 is not aligned. Undo previous constraint change.
2411 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
2413 2005-12-02 Richard Guenther <rguenther@suse.de>
2415 * tree.h (build): Remove prototype.
2416 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
2417 * tree.c (build): Remove.
2418 (build0_stat): Update comment.
2420 2005-12-02 Richard Guenther <rguenther@suse.de>
2422 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
2423 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
2425 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
2426 maybe_fold_offset_to_component_ref): Likewise.
2427 * tree-ssa-dom.c (thread_across_edge,
2428 simplify_rhs_and_lookup_avail_expr,
2429 find_equivalent_equality_comparison, record_equivalences_from_stmt):
2431 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
2432 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
2433 lower_try_finally_switch): Likewise.
2434 * tree-if-conv.c (add_to_dst_predicate_list,
2435 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2436 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2437 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2438 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2439 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2440 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2441 gimplify_init_ctor_eval, gimplify_init_constructor,
2442 gimplify_variable_sized_compare, gimplify_boolean_expr,
2443 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2444 gimplify_expr, gimplify_body, gimplify_function_tree,
2445 force_gimple_operand): Likewise.
2446 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2447 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2448 mx_register_decls): Likewise.
2449 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2450 get_frame_field, finalize_nesting_tree_1): Likewise.
2451 * tree-inline.c (setup_one_parameter): Likewise.
2452 * tree-vect-transform.c (vectorizable_condition): Likewise.
2453 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2455 * tree-profile.c (tree_gen_edge_profiler): Likewise.
2456 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2457 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2458 * tree-chrec.h (build_polynomial_chrec): Likewise.
2460 2005-12-02 Richard Guenther <rguenther@suse.de>
2462 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2463 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2464 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2465 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2466 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2467 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2468 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2470 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2471 sh_adjust_unroll_max): Likewise.
2472 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2473 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2474 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2476 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2478 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2481 2005-12-02 Richard Guenther <rguenther@suse.de>
2483 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2484 simplify_cond_using_ranges): Use buildN instead of build.
2485 * tree-tailcall.c (adjust_accumulator_values,
2486 adjust_return_value): Likewise.
2487 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
2488 generate_element_copy, generate_element_zero,
2489 generate_one_element_init): Likewise.
2490 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2491 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2492 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2493 perfect_nestify): Likewise.
2495 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2497 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
2499 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
2501 * ggc.h (GGC_RESIZEVEC): New.
2503 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2505 * gcc.c (execute): Improve readability.
2507 2005-12-02 Richard Guenther <rguenther@suse.de>
2509 * tree-cfg.c (mark_used_vars): New function.
2510 (dump_function_to_file): Dump only used VAR_DECLs.
2512 2005-12-02 Richard Guenther <rguenther@suse.de>
2514 * convert.c (convert_to_integer): Fix compare for nonpositive
2515 constant to use tree_int_cst_sgn <= 0.
2517 2005-12-02 Richard Guenther <rguenther@suse.de>
2519 * convert.c (convert_to_integer): Use fold_convert instead
2520 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
2521 instead of comparing against 0. Use build_int_cst instead
2522 of converting integer_zero_node.
2524 2005-12-02 Richard Guenther <rguenther@suse.de>
2526 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2529 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2532 * combine.c (simplify_logical <IOR>): Simplify more patterns to
2535 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2538 * function.c (expand_function_end): Emit blockage for unwinder
2541 2005-12-01 Roger Sayle <roger@eyesopen.com>
2543 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2544 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2545 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2546 integer constant comparisons.
2548 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
2549 Janis Johnson <janis187@us.ibm.com>
2550 David Edelsohn <dje@watson.ibm.com>
2551 Ben Elliston <bje@au.ibm.com>
2553 * dfp.h, dfp.c: New files.
2554 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2555 (DECNUM_H): Likewise.
2556 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2557 (INCLUDES): Append $(DECNUMINC).
2558 (OBJS-common): Add dfp.o.
2560 * real.h (EXP_BITS): Pinch one bit to ..
2561 (struct real_value): Add decimal field.
2562 (real_format): Change table size, update documentation.
2563 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
2564 (real_from_string3): Declare.
2565 (decimal_single_format): Declare.
2566 (decimal_double_format): Declare.
2567 (decimal_quad_format): Declare.
2568 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
2569 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
2570 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
2571 * real.c: Include dfp.h.
2572 (normalize): Early return for decimal floats.
2573 (do_add): Zero decimal field.
2574 (do_compare): Call do_decimal_compare for decimal floats.
2575 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2576 (real_arithmetic): Call decimal_real_arithmetic for decimal
2577 floating point operands.
2578 (real_identical): If a and b are of differing radix, return false.
2579 (real_to_integer): Call decimal_real_to_integer if the value is a
2581 (real_to_integer2): Likewise, call decimal_real_to_integer2.
2582 (real_to_decimal): Likewise, call decimal_real_to_decimal.
2583 (real_to_hexadecimal): Place "N/A" in the return string for
2585 (real_from_string3): New variant, given a mode.
2586 (real_maxval): Use decimal_real_maxval for decimal floats.
2587 (round_for_format): Use decimal_round_for_format for decimals.
2588 (real_convert): Use decimal_real_convert where appropriate.
2589 (significand_size): Handle base 10.
2590 (encode_decimal_single, decode_decimal_single,
2591 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2592 decode_decimal_quad): New functions.
2593 (decimal_single_format): New.
2594 (decimal_double_format): New.
2595 (decimal_quad_format): New.
2596 * machmode.def: Add SD, DD and TD decimal floating point modes.
2597 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2598 Include MODE_DECIMAL_FLOAT.
2599 (DECIMAL_FLOAT_MODE_P): New.
2600 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2601 * genmodes.c (struct mode_data): Add counter field.
2602 (struct mode_data): Update comment for format.
2603 (blank_mode): Initialise counter field.
2604 (new_mode): Increment counter field for each mode defined.
2605 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2607 (make_complex_modes): Handle modes containing `D'.
2608 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2609 (make_decimal_float_mode): New.
2610 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2611 (cmp_modes): Compare counter field if other characteristics
2613 (emit_real_format_for_mode): Support formats for decimal floats.
2614 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2615 Document MODE_DECIMAL_FLOAT.
2617 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2619 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2622 2005-12-01 Richard Henderson <rth@redhat.com>
2624 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2626 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2628 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2630 * config/pa/pa.c (pa_init_builtins): If we detect
2631 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2634 2005-12-01 Richard Guenther <rguenther@suse.de>
2636 * fold-const.c (fold_binary): Use fold_build2, not
2639 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
2641 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2643 * vec.h (VEC_block_remove): New.
2645 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
2648 * c-common.c (lvalue_error): Fix wording.
2650 2005-12-01 Richard Guenther <rguenther@suse.de>
2652 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2653 thinko in last patch.
2655 2005-12-01 Geoffrey Keating <geoffk@apple.com>
2657 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2658 than -flat_namespace.
2660 2005-12-01 Ben Elliston <bje@au.ibm.com>
2662 * mklibgcc.in: Parameterise the script to build soft float
2663 functions by iterating over each type, rather than cloning the
2666 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2669 * builtins.c (fold_builtin_fputs): Defer check for missing
2670 replacement functions.
2672 2005-11-30 Kean Johnston <jkj@sco.com>
2674 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2675 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2677 2005-11-30 Richard Guenther <rguenther@suse.de>
2679 PR tree-optimization/22501
2680 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2681 function split out from ...
2682 (forward_propagate_addr_expr): ... here. Use it to propagate
2683 ADDR_EXPRs to all uses.
2685 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2687 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2688 * builtins.c (expand_builtin_mathfn): Use them.
2689 (expand_builtin_mathfn_2): Likewise.
2690 (expand_builtin_mathfn_3): Likewise.
2691 (expand_builtin_int_roundingfn): Likewise.
2692 (expand_builtin): Likewise.
2693 (integer_valued_real_p): Likewise.
2694 (fold_builtin_int_roundingfn): Likewise.
2695 (fold_builtin_bitop): Likewise.
2696 (fold_builtin_logarithm): Likewise.
2697 (fold_builtin_1): Likewise.
2698 * convert.c (convert_to_integer): Likewise.
2699 * fold-const.c (negate_mathfn_p): Likewise.
2700 (tree_expr_nonnegative_p): Likewise.
2702 2005-11-30 Dale Johannesen <dalej@apple.com>
2703 Andrew Pinski <pinskia@physics.uc.edu>
2705 * combine.c (find_split_point): Sign extend bitmask
2706 when changing bitfield assignment to IOR of AND.
2708 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2710 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2711 clobber to scratch reg.
2712 (*decrement_and_branch_until_zero_no_clobber): Remove.
2713 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2714 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2715 * config/ms1/ms1.opt (mmul): Remove.
2716 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2717 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2719 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2720 Bernd Schmidt <bernd.schmidt@analog.com>
2722 * pa/predicates.md (symbolic_operand): Add comment.
2723 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2724 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2725 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2726 (pa_secondary_reload_class): Delete.
2727 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2728 and pa_secondary_reload_class. Reorder some checks. Update inline
2729 copy of symbolic operand.
2730 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2732 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2734 * loop-doloop.c (add_test): Only add jump notes if we did emit a
2737 2005-11-30 Jeff Law <law@redhat.com>
2739 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2740 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2742 2005-11-30 Jakub Jelinek <jakub@redhat.com>
2744 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2745 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2746 (ia64_expand_move): Adjust caller.
2748 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2749 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2752 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
2754 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2755 Always produce an output if we can remove NEGs or canonicalize
2756 (minus (minus ...)) expressions. Provide a fast path for the
2758 (simplify_gen_binary): Do not call simplify_plus_minus.
2759 (simplify_binary_operation_1): Reassociate at the end of the
2762 2005-11-29 Evan Cheng <evan.cheng@apple.com>
2764 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2765 moves and unpack to speed up.
2767 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
2769 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2770 argument, they are always sparc_compare_op0 and sparc_compare_op1.
2771 (gen_v9_scc): Update callers.
2772 * config/sparc/sparc.md: Likewise.
2773 * config/sparc/sparc-protos.h: Update extern declaration.
2775 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2777 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2779 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2782 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2784 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2785 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2786 (negate_expr): Here.
2788 2005-11-29 Ben Elliston <bje@au.ibm.com>
2790 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2791 Fix typo in comment.
2793 2005-11-29 Ben Elliston <bje@au.ibm.com>
2795 * Makefile.in (clean-target): Depend on clean-target-libgcc.
2796 (clean-target-libgcc): Import rule from the top-level Makefile.in.
2798 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2802 * builtins.c (init_target_chars): New.
2803 (expand_builtin_printf, expand_builtin_fprintf,
2804 expand_builtin_sprintf, fold_builtin_sprintf,
2805 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2806 fold_builtin_snprintf_chk, fold_builtin_printf,
2807 fold_builtin_fprintf): Check for matching format strings using
2810 2005-11-29 Paul Brook <paul@codesourcery.com>
2812 * config.gcc: Do not use fixproto on m68k-elf.
2814 2005-11-28 Roger Sayle <roger@eyesopen.com>
2816 * expmed.c (div_cost): Replace with...
2817 (sdiv_cost, udiv_cost): New.
2818 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2819 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2820 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2821 (expand_divmod): Replace use of div_cost with either sdiv_cost
2822 or udiv_cost depending upon the signedness of the operation.
2824 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2827 * config/darwin.c (machopic_indirection_name,
2828 machopic_output_indirection): Follow transparent alias chain.
2830 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2832 * varasm.c (ultimate_transparent_alias_target): Add comment.
2834 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
2836 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2837 SET_SRC instead of XEXP where appropriate.
2839 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2841 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2844 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2846 * config/fp-bit.h (LSHIFT): Take shift count parameter.
2847 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2850 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
2852 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2853 secondary_input_reload_class, made static. Adapt to new
2855 (secondary_output_reload_class): Delete.
2856 (TARGET_SECONDARY_RELOAD): New macro.
2857 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2858 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2860 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
2863 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
2864 when its natural alignment is > BITS_PER_UNIT.
2865 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2866 * c-common.c (handle_packed_attribute): Ignore packing on a field
2867 whose type is naturally char aligned.
2869 2005-11-28 Richard Guenther <rguenther@suse.de>
2871 * c-common.c (strict_aliasing_warning): Handle all
2872 component-ref like accesses.
2874 2005-11-28 Roger Sayle <roger@eyesopen.com>
2875 Uros Bizjak <uros@kss-loka.si>
2878 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2879 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2880 when flag_unsafe_math_optimizations is set and
2881 we don't care about NaNs or Infinities.
2883 Move x/expN(y) and x/pow(y,z) transformation into common
2884 flag_unsafe_math_optimizations section.
2886 2005-11-27 Mark Mitchell <mark@codesourcery.com>
2888 * gcc.c (main): Change type of argv to "char **".
2890 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2892 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2893 small data sections.
2894 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2895 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2896 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2897 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
2898 output locals to sbss if !rs6000_elf_in_small_data_p.
2899 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2901 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2904 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2905 generated by reload.
2906 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2907 indexed_or_indirect_address.
2908 (indexed_or_indirect_address): Don't test for base reg. Call
2909 address_operand last. Make it a special predicate.
2911 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
2913 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2915 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
2918 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2920 (negate_expr): Likewise.
2922 2005-11-27 Andreas Schwab <schwab@suse.de>
2924 * config/m68k/m68k.c: Reindent and fix whitespace, remove
2927 2005-11-27 Steven Bosscher <stevenb@suse.de>
2929 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2930 has EH predecessor edges.
2932 2005-11-26 Eric Christopher <echristo@apple.com>
2934 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2935 register stalls by zero extending to the full register.
2937 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
2939 * config/floatunsisf.c, config/floatunsidf.c,
2940 config/floatunsixf.c, config/floatunsitf.c: New files.
2941 * config/ia64/t-hpux: Add floatunsitf.c.
2942 * config/ia64/ia64.c (ia64_init_libfuncs): Use
2943 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2945 2005-11-26 Richard Henderson <rth@redhat.com>
2947 * c-lex.c (pragma_lex): Rename from c_lex.
2948 * c-pch.c: Update for pragma_lex rename.
2949 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2950 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2951 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2952 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2953 * doc/tm.texi: Likewise.
2955 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
2958 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2959 when overflow is undefined.
2961 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
2963 * doc/md.texi (Insn Canonicalizations): Refer to the
2964 function commutative_operand_precedence for further rules.
2966 2005-11-25 Roger Sayle <roger@eyesopen.com>
2969 * expmed.c (choose_mult_variant): Return immediately when mult_cost
2970 is less than zero. Limit mult_cost to a reasonable upper bound for
2971 the synthetic multiplication sequence.
2973 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2976 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2977 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2978 Lookup the explicit replacement functions for any unlocked
2979 stdio builtin transformations.
2981 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
2983 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2985 * targhooks.c (default_secondary_reload): Don't require operand 2
2986 for an input reload to be earlyclobber.
2988 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2990 * fold-const.c (negate_mathfn_p): Fix comment and add support
2991 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2994 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2997 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2998 _Q_ulltoq for unsigned conversions from SImode and DImode to
3001 2005-11-25 Alan Modra <amodra@bigpond.net.au>
3003 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
3004 (__floatundidf, __floatundisf): Likewise.
3006 2005-11-25 David Edelsohn <edelsohn@gnu.org>
3008 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
3009 (rs6000_override_options): Remove initialization of
3010 rs6000_sr_alias_set.
3011 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
3012 (rs6000_emit_stack_tie): Same.
3013 (emit_frame_save): Same.
3014 (gen_frame_mem_offset): Same.
3015 (rs6000_emit_prologue): Same.
3016 (rs6000_emit_epilogue): Same.
3018 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
3021 * fold-const.c (fold_build): Convert bool_var != 1 and
3022 bool_var == 0 to !bool_var.
3024 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
3027 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
3028 for C being INTEGER_CST. Likewise for !=.
3030 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
3033 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
3034 unsigned conversions from SImode to TFmode.
3036 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
3038 * expr.c (expand_expr_real_1): Fix error in last change.
3040 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
3042 * caller-save.c: (this_insn_sets): Move into:
3043 (save_call_clobbered_regs).
3044 (mark_set_regs): Get this_insn_sets from data.
3046 (save_call_clobbered_regs): Take sets of the return value by
3047 sibcalls into account.
3049 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
3052 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
3053 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
3054 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
3055 (memory_move_secondary_cost, init_reg_autoinc): Remove
3056 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
3057 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
3058 secondary_reload_class call.
3059 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
3061 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
3062 (push_secondary_reload): Use secondary_reload target hook.
3063 (secondary_reload_class, scratch_reload_class): New functions.
3064 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
3065 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
3066 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
3067 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
3068 (secondary_reload_class, scratch_reload_class): Declare.
3069 * reload1.c: Include target.h.
3070 (reload_adjust_reg_for_temp): New function.
3071 (reload_adjust_reg_for_icode): Likewise.
3072 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
3073 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
3075 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
3076 for inheritance. Support case when both secondary & tertiary reloads
3077 are for intermediate registers.
3078 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
3079 with secondary_reload_class call. Support case when both secondary
3080 & tertiary reloads are for intermediate registers.
3081 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
3082 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
3083 * target.h (secondary_reload_info): New struct / typedef.
3084 (struct gcc_target): New member secondary_reload.
3085 * targhooks.c Include reload.h, optabs.h and recog.h.
3086 (default_secondary_reload): New function.
3087 * targhooks.h (default_secondary_reload): Declare.
3088 * doc/tm.texi: Document secondary_reload target hook. Update
3089 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
3090 * doc/md.texi: Likewise.
3092 * sh-protos.h (sh_secondary_reload): Declare.
3093 * sh.c (TARGET_SECONDARY_RELOAD): Override.
3094 (sh_secondary_reload): New function.
3095 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
3096 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
3097 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
3098 (HAVE_SECONDARY_RELOADS): Define.
3099 * sh.md (reload_indf): Rename to:
3101 (reload_outdf): Rename to:
3102 (reload_outdf__RnFRm).
3103 (reload_insf): Rename to:
3105 (reload_insi): Rename to:
3106 (reload_insi__i_fpul).
3108 2005-11-24 Uros Bizjak <uros@kss-loka.si>
3110 * configure.ac: Require at least texinfo 4.4.
3111 * configure: Regenerate.
3113 * doc/install.texi (Tools/packages necessary for building GCC):
3114 Update required version of texinfo to at least 4.4.
3115 (Installing GCC: Building): Update required version of texinfo
3117 (Installing GCC: Final installation): Update required version
3118 of texi2dvi to at least 4.4.
3119 (Host/target specific installation notes for GCC): Update required
3120 version of texinfo to at least 4.4.
3122 2005-11-24 Richard Guenther <rguenther@suse.de>
3123 Dirk Mueller <dmueller@suse.de>
3126 * c-common.h (strict_aliasing_warning): Declare.
3127 * c-common.c (strict_aliasing_warning): New function,
3129 * c-typeck.c (build_c_cast): ... here.
3131 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
3133 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3135 (swap_commutative_operands_with_target): New.
3137 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
3139 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
3140 also when doing PRE, rather than only for global CPROP.
3142 2005-11-24 Ben Elliston <bje@au.ibm.com>
3144 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
3145 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
3147 (expand_twoval_unop): Likewise.
3148 (widen_clz): Likewise.
3149 (expand_parity): Likewise.
3150 (expand_unop): Likewise.
3151 (emit_cmp_and_jmp_insn_1): Likewise.
3152 (prepare_float_lib_cmp): Likewise.
3154 2005-11-24 Ben Elliston <bje@au.ibm.com>
3156 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
3157 Remove unused `class' variable.
3159 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
3162 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
3163 C/C++ diagnostic function warn_array_subscript_with_type_char.
3164 * c-common.h (warn_array_subscript_with_type_char): Declare.
3165 * c-common.c (warn_array_subscript_with_type_char): Define.
3167 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
3170 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
3171 compiling at the intersection of C and C++.
3173 2005-11-23 Mark Mitchell <mark@codesourcery.com>
3175 * doc/invoke.texi: For man pages, include gcc-vers.texi.
3176 List @file in the option summary. Include the libiberty
3177 documentation for @file.
3178 * gcc.c (main): Call expandargv.
3179 * Makefile.in (gcc-vers.texi): Define srcdir.
3181 2005-11-23 Diego Novillo <dnovillo@redhat.com>
3183 * passes.c (init_optimization_passes): Document
3184 sequencing of passes.
3186 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
3188 * config/m68k/predicates.md (pcrel_address, extend_operator,
3189 post_inc_operand, pre_dec_operand): Remove redundant
3191 (const_uint32_operand, const_sint32_operand): Use gcc_assert
3193 (valid_dbcc_comparison_p): Rewrite in the lisp style.
3195 2005-11-23 Ben Elliston <bje@au.ibm.com>
3197 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
3199 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
3201 Preparatory work for PR target/21623:
3202 * alpha.c (secondary_reload_class): Rename to:
3203 (alpha_secondary_reload_class).
3204 * alpha.h, alpha-protos.h: Likewise.
3205 * mn10300.c (secondary_reload_class): Rename to:
3206 (mn10300_secondary_reload_class).
3207 * mn10300.h, mn10300-protos.h: Likewise.
3208 * pa.c (secondary_reload_class): Rename to:
3209 (pa_secondary_reload_class).
3210 * pa.h, pa-protos.h: Likewise.
3211 * rs6000.c (secondary_reload_class): Rename to:
3212 rs6000_secondary_reload_class.
3213 * rs6000.h, rs6000-protos.h: Likewise.
3215 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
3218 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
3220 2005-11-22 Ian Lance Taylor <ian@airs.com>
3222 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
3224 (prepare_cmp_insn): Likewise.
3226 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
3229 * m68k.md (zero_extendsidi2): Force operands[1] to a register
3230 if both operands[0] and operands[1] are memory.
3232 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
3235 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
3236 COMPARISON_CLASS_P and an integral types create create a new
3237 expression with the new type and fold that.
3239 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
3242 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
3243 to SUBTARGET_OS_CPP_BUILTINS.
3245 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
3247 * arm.c (emit_set_insn): New function.
3248 (arm_split_constant): Call it.
3249 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
3250 (arm_legitimize_address): Likewise. Use plus_constant.
3251 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
3252 (thumb_expand_prologue): Likewise.
3253 (arm_gen_load_multiple): Use VOIDmode in SET.
3254 (arm_gen_store_multiple): Likewise.
3255 (vfp_emit_fstmx): Likewise. Use plus_constant.
3256 (emit_multi_reg_push): Likewise.
3257 (emit_sfm): Use plus_constant.
3259 2005-11-23 Alan Modra <amodra@bigpond.net.au>
3262 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
3265 2005-11-22 Alan Modra <amodra@bigpond.net.au>
3268 * expmed.c (store_bit_field): Don't attempt to insv a field
3269 larger than the reg.
3271 2005-11-22 Alan Modra <amodra@bigpond.net.au>
3274 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
3275 explicit sign extension, not a (char) cast.
3277 2005-11-22 Ben Elliston <bje@au.ibm.com>
3279 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
3280 GET_MODE_CLASS (x) == MODE_FLOAT.
3281 * config/i386/i386.c: Likewise.
3282 * config/rs6000/xcoff.h: Likewise.
3283 * config/rs6000/linux64.h: Likewise.
3284 * config/rs6000/rs6000.c: Likewise.
3285 * config/rs6000/rs6000.h: Likewise.
3286 * config/rs6000/predicates.md: Likewise.
3287 * config/rs6000/sysv4.h: Likewise.
3289 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3291 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
3294 * config/alpha/freebsd.h, config/alpha/linux.h,
3295 config/arm/linux-elf.h, config/bfin/bfin.h,
3296 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
3297 config/i386/beos-elf.h, config/i386/gnu.h,
3298 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
3299 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
3300 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
3301 config/rs6000/linux64.h, config/rs6000/sysv4.h,
3302 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
3303 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
3304 config/sparc/linux.h, config/sparc/linux64.h,
3305 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
3307 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
3308 are both defined when either flag -fpic or -fPIC are used.
3310 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
3312 * config/fp-bit.c (clzusi): New function.
3313 (si_to_float, usi_to_float): Use it to compute proper shift.
3314 (usi_to_float): Preserve guard bits when shifting right.
3315 * libgcc-std.ver (GCC_4.2.0): New version.
3316 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
3317 __floatundisf): New functions.
3318 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
3319 __floatundisf): Declare.
3320 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
3321 _floatundixf, and _floatunditf.
3322 * optabs.c (expand_float): If target does not define a pattern for
3323 signed or unsigned conversion, use an unsigned libcall instead of
3325 (init_optabs): Initialize ufloat_optab.
3327 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
3329 * config/rs6000/rs6000.opt (mmulhw): New option.
3330 * doc/invoke.texi (-mmulhw): Document.
3331 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
3333 * config/rs6000/rs6000.md: Add half-word multiply and
3334 multiply-accumulate instructions for 405 and 440.
3336 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
3338 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
3339 which matches behavior of gcc 4.0 and older for RTEMS targets. The
3340 default now includes a linker group which makes the RTEMS one nest.
3342 2005-11-22 Ben Elliston <bje@au.ibm.com>
3344 * cse.c (fold_rtx): Typo fix.
3345 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
3347 2005-11-21 Richard Henderson <rth@redhat.com>
3349 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
3350 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
3352 * c-tree.h (lookup_name): Move declaration ...
3353 * c-common.h (lookup_name): ... here.
3354 * config/darwin-c.c: Include c-common.h.
3355 * config/t-darwin: Update dependencies.
3357 2005-11-22 Ben Elliston <bje@au.ibm.com>
3359 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
3360 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
3361 * genopinit.c (gen_insn): Likewise.
3362 * reload.c (find_equiv_reg): Likewise.
3363 * loop.c (load_mems): Likewise.
3364 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
3365 * cse.c (find_comparison_args, fold_rtx): Likewise.
3366 * dwarf2out.c (add_const_value_attribute): Likewise.
3367 * expr.c (convert_move): Likewise.
3368 * recog.c (general_operand, register_operand): Likewise.
3369 * reg-stack.c (replace_reg): Likewise.
3370 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3371 * c-common.c (handle_vector_size_attribute): Likewise.
3372 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
3373 (simplify_binary_operation_1): Likewise.
3374 (simplify_const_binary_operation): Likewise.
3375 (simplify_relational_operation): Likewise.
3376 (simplify_const_relational_operation): Likewise.
3377 (simplify_immed_subreg): Likewise.
3378 * emit-rtl.c (gen_lowpart_common): Likewise.
3379 * expmed.c (expand_mult): Likewise.
3380 * stor-layout.c (layout_type): Likewise.
3382 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
3385 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
3386 cst2 only for SPE vectors.
3388 2005-11-21 David Edelsohn <edelsohn@gnu.org>
3391 * config/rs6000/predicates.md (vrsave_operation): Check
3392 UNSPEC_VOLATILE value.
3394 2005-11-21 Jan Hubicka <jh@suse.cz>
3396 PR tree-optimization/24653
3397 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
3399 2005-11-21 Uros Bizjak <uros@kss-loka.si>
3401 * config/i386/predicates.md (ax_reg_operand): New predicate.
3402 (memory_displacement_only_operand): New predicate.
3403 * config/i386/i386.md ("modrm" attribute): Return 0 if one
3404 operand is AX register and the other operand is memory operand
3405 with displacement only.
3407 2005-11-21 Uros Bizjak <uros@kss-loka.si>
3409 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
3410 if we don't care about NaNs or Infinities.
3412 2005-11-20 Ian Lance Taylor <ian@airs.com>
3414 PR rtl-optimization/24883
3415 * combine.c (combinable_i3pat): When checking whether the
3416 destination of i3 is used in i3, consider paradoxical subregs.
3418 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
3421 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
3423 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
3425 * combine.c (try_combine): Do not run subst on i1src and i2src in
3426 the case of generating a PARALLEL for a comparison.
3428 2005-11-20 Richard Henderson <rth@redhat.com>
3431 * tree-sra.c (struct sra_elt): Add all_no_warning.
3432 (struct sra_walk_fns) <use>: Add use_all argument.
3433 (sra_walk_expr): Pass it.
3434 (sra_walk_modify_expr): Likewise.
3435 (scalarize_ldst): Likewise.
3436 (scan_use): Update for new argument.
3437 (mark_no_warning): New.
3438 (scalarize_use): Use it.
3440 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3442 * expr.c (expand_expr_real): Use usmul_optab for widening
3443 signed * unsigned multiplies.
3444 * genopinit.c (optabs): Add usmul_widen_optab.
3445 * optabs.c (init_optabs): Likewise.
3446 * optabs.h (enum optab_index): Add OTI_usmul_widen.
3447 (usmul_widen_optab): Define.
3448 * config/bfin/bfin.md (usmulhisi3): New pattern.
3450 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3452 2005-11-20 Graham Stott <btinternet.com>
3454 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
3456 2005-11-20 Andreas Schwab <schwab@suse.de>
3459 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3462 2005-11-19 Richard Henderson <rth@redhat.com>
3465 * tree-gimple.c (is_gimple_id): Export.
3466 * tree-gimple.h (is_gimple_id): Declare.
3467 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3468 (get_default_value): Use it.
3469 (maybe_fold_stmt_indirect): Likewise.
3471 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
3473 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3474 than VR1 or vice-versa.
3476 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
3480 * reload.c (find_reloads_address_1): Mention dependency on
3482 * reload1.c (gen_reload): For IN with an unary operation, try
3483 moving inner expression to OUT if trivial SET is not valid.
3484 Confirm that the result is valid. Move common code block into...
3485 (emit_insn_if_valid_for_reload): New function.
3487 2005-11-19 Richard Guenther <rguenther@suse.de>
3489 * fold-const.c (fold_indirect_ref_1): Make sure we fold
3490 ARRAY_REFs of constant strings.
3492 2005-11-19 Jakub Jelinek <jakub@redhat.com>
3494 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3495 fatal format string.
3497 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
3499 * combine.c (make_compound_operation): Swap operands of
3500 commutative operation if necessary before returning.
3502 2005-11-19 Richard Guenther <rguenther@suse.de>
3505 * fold-const.c (fold_plusminus_mult_expr): New function.
3506 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3507 cases, remove now unnecessary code.
3509 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
3511 * gensupport.c (old_preds): Rename to std_preds, add special field.
3512 (struct old_pred_table): Rename to struct std_pred_table, add special
3514 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3515 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3516 (init_predicate_table): Adjust, and set along the way whether a
3517 predicate is special.
3519 2005-11-18 Mark Mitchell <mark@codesourcery.com>
3521 * BASE-VER: Change to 4.2.0.
3523 2005-11-18 James E Wilson <wilson@specifix.com>
3525 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3528 2005-11-18 Mike Stump <mrs@apple.com>
3530 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3531 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3532 * c-decl.c (lookup_name_two) Remove.
3533 * c-tree.h (lookup_name_two): Remove.
3534 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3535 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3536 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3537 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
3539 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
3542 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3543 when not generating code to use that co-processor.
3545 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
3547 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3548 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3549 these functions are now in tree-phinodes.c.
3551 2005-11-18 Jie Zhang <jie.zhang@analog.com>
3553 * config/bfin/bfin.md (trap): New pattern.
3555 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3557 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3560 * expr.c (expand_expr_real): Don't call record_block_change unless
3561 ib_boundaries_block is non-null
3563 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
3565 * fold-const.c (build_range_check): Use proper type for subtraction
3566 when merging lower bound.
3568 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
3570 PR rtl-optimization/24497
3571 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3574 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
3576 * tree-scalar-evolution.c (expression_expensive_p): New function.
3577 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3579 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
3581 * config/bfin/crtlibid.s: New file.
3583 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3586 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3587 when not using sjlj exceptions.
3588 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3589 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3590 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3591 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3592 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3593 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3594 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3595 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3596 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3597 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3598 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3599 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3600 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3602 * config/pa/hpux-unwind.h: New file.
3604 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
3606 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3607 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3608 * varasm.c (do_assemble_alias): Adjust call.
3609 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3611 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3613 2005-11-17 James E Wilson <wilson@specifix.com>
3615 * tree.def (FUNCTION_DECL): Correct typo in comment.
3617 2005-11-17 Richard Henderson <rth@redhat.com>
3619 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3620 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3621 and DW_CFA_def_cfa_sf.
3622 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3623 (dbx_reg_number): Don't assert particular registers here.
3624 (based_loc_descr): ... do it here instead. Fold in ...
3625 (eliminate_reg_to_offset): ... this function.
3626 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3627 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3628 * unwind-dw2.c (execute_cfa_program): Apply data align factor
3629 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3630 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3631 (instantiate_virtual_regs): Likewise.
3632 * var-tracking.c (adjust_stack_reference): Likewise.
3633 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3635 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
3637 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3638 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3639 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3641 ($(T)crtlibid.o): New rule.
3643 2005-11-16 Richard Guenther <rguenther@suse.de>
3646 * fold-const.c (extract_array_ref): Return byte offset
3648 (fold_binary): Fold &x[a] CMP &x[b] to
3649 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3652 2005-11-16 Richard Henderson <rth@redhat.com>
3655 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3656 parts of an SSA_NAME.
3658 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
3661 * arm.md (split for movsf with immediate): Restrict split to insns
3662 that set a general register.
3664 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3666 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
3668 * unwind-dw2.c (uw_advance_context): Likewise.
3669 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
3670 _Unwind_SjLj_Unregister.
3671 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3673 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3675 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3677 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3679 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3680 langhook to get a DImode integer type.
3682 2005-11-16 Richard Henderson <rth@redhat.com>
3683 J"orn Rennecke <joern.rennecke@st.com>
3684 Ulrich Weigand <uweigand@de.ibm.com>
3688 * reload1.c (reg_equiv_invariant): New.
3689 (reload): Allocate, initialize, and free it.
3690 (calculate_needs_all_insns): Check it when skipping equivalence
3692 (alter_reg): Likewise.
3693 (eliminate_regs_1): Rename from eliminate_regs. Add new
3694 may_use_invariant argument; only use reg_equiv_invariant when true.
3695 (eliminate_regs): New.
3696 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3697 a context for which may_use_invariant may be true.
3699 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3701 * fold-const.c (const_binop): Don't constant fold the operation
3702 if the result has overflowed and flag_trapping_math.
3703 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3705 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3707 * config/arm/unwind-arm.c (abort): Add prototype here.
3708 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3709 (struct phase1_vrs): Add prev_sp.
3710 (unwind_phase2_forced): Save the original core registers instead of
3711 modifying entry_vrs. Take a new flag argument for resuming unwinding
3712 and set action flags accordingly. Always set _US_END_OF_STACK when
3713 get_eit_entry fails. Unwind before calling the stop function.
3714 (_Unwind_GetCFA): New function.
3715 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3716 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3717 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3718 just call unwind_phase2_forced.
3719 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3720 * config/arm/unwind-arm.h (abort): Remove prototype.
3721 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3723 (_Unwind_GetCFA): New prototype.
3724 * config/arm/pr-support.c (abort): Add prototype here.
3725 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3727 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3728 not schedule the prologue with non-call exceptions and EABI.
3730 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
3732 * config/arm/unwind-arm.h: Reorder interface function declarations.
3733 (_URC_END_OF_STACK): New enumeration value.
3734 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3735 (struct _Unwind_Control_Block): Document reserved field use.
3736 (_Unwind_Stop_Fn): New typedef.
3737 (_Unwind_ForcedUnwind): Declare.
3738 (_Unwind_Resume_or_Rethrow): Declare.
3739 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3741 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3742 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3743 (UCB_FORCED_STOP_ARG): New.
3744 (search_EIT_table): Update boundary condition checks.
3745 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3746 (unwind_phase2): Replace for with do..while.
3747 (unwind_phase2_forced): New.
3748 (__gnu_Unwind_RaiseException): Replace for with do..while.
3749 (__gnu_Unwind_ForcedUnwind): New.
3750 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3751 Use appropriate phase2 unwinder.
3752 (__gnu_Unwind_Resume_or_Rethrow): New.
3753 (__gnu_unwind_pr_common): Cope with forced unwinding.
3755 2005-11-16 David Edelsohn <edelsohn@gnu.org>
3758 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3760 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3761 roundsf2): Remove "s" from mnemonic.
3763 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
3765 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3767 * config/bfin/crtn.s: Change epilogues to match.
3768 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3769 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3770 __PIC__ and __pic__.
3772 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
3775 * doc/invoke.texi: Distinguish between free and fixed form instead of
3776 Fortran and Fortran 90/95. Remove ratfor from the list of supported
3778 * gcc.c (default_compilers): Remove double entries, add entries for
3779 suffixes '.F90' and '.F95'.
3781 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3783 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3784 in the stack probing loop.
3786 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3788 * configure.ac: Use .machine power5 not power5x.
3789 * configure: Regenerate.
3791 2005-11-15 Mike Stump <mrs@apple.com>
3793 * c-decl.c (lookup_name_two): Add.
3794 * c-tree.h (lookup_name_two): Likewise.
3795 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3796 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3798 2005-11-16 Alan Modra <amodra@bigpond.net.au>
3800 PR rtl-optimization/23392
3801 * regrename.c (enum scan_actions) Add mark_access.
3802 (scan_actions_name): Ditto.
3803 (scan_rtx_reg): Handle mark_access.
3804 (scan_rtx_address): Do nothing for mark_access.
3805 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3806 and regs in REG_INC notes before closing chains for dead regs.
3807 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3808 opening chains for new writes.
3810 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3812 * c.opt (ffixed-line-length-none): New.
3814 2005-11-15 Steve Ellcey <sje@cup.hp.com>
3816 * mklibgcc.in: Change contents of eh_dummy.c.
3818 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3820 * loop.c (scan_loop): Do not insert temporaries for hard registers.
3822 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3824 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3826 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
3828 2005-11-15 Jan Hubicka <jh@suse.cz>
3830 * invoke.texi (large-unit-insns): Document.
3831 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3832 * params.def (large-unit-insns): New param.
3834 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
3837 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3838 special register for operand 3. Reindent constraints to align
3841 2005-11-14 David Edelsohn <edelsohn@gnu.org>
3843 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3844 -mpopcntb, -mfprnd. Add -mcpu=power5+.
3845 * configure.ac: Add test for FP rounding instructions.
3846 * configure: Regenerate.
3847 * config.in: Regenerate.
3848 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3849 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3851 * config/rs6000/rs6000.opt (mfprnd): New.
3852 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3853 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3854 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3855 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3856 (TARGET_FPRND): New.
3857 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3859 (btrunc<mode>2): New.
3861 (floor<mode>2): New.
3862 (round<mode>2): New.
3864 2005-11-14 Geoffrey Keating <geoffk@apple.com>
3866 * gcc.c (version_compare_spec_function): Use fatal() rather than
3869 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3870 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3871 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3873 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3876 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3877 on -mmacosx-version-min setting.
3879 2005-11-14 Diego Novillo <dnovillo@redhat.com>
3882 * tree-vrp.c (infer_value_range): Return false if STMT is a
3883 block terminator and its basic block has no successors.
3885 2005-11-14 Mike Stump <mrs@apple.com>
3887 * config/i386/i386.c (override_options): -masm=intel isn't
3888 supported on darwin.
3889 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3891 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
3893 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3894 vfork after including auto-host.h.
3896 2005-11-15 Alan Modra <amodra@bigpond.net.au>
3898 PR rtl-optimization/22002
3899 * combine.c (distribute_notes): Detect cases where a reg dies
3900 two or more times in a bb, including on the insn we are combining,
3901 and place the death note on the correct range.
3903 2005-11-14 Dale Johannesen <dalej@apple.com>
3905 * expmed.c (store_bit_field): Add offset unconditionally for
3907 (extract_bit_field): Don't force extzv or extv operand into
3908 a register if field is too big.
3910 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3912 * config/arm/arm.c (pic_labelno): New.
3913 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3914 LABEL_REF. Pass only the labelno to PIC insns.
3915 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3916 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3917 * arm.md (UNSPEC_PIC_LABEL): New constant.
3918 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3919 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3920 Use the correct label prefix.
3922 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3924 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3927 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
3929 * loop-invariant.c: Include tm_p.h.
3930 * Makefile.in: Updated.
3932 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3934 * pa.c (store_reg): Revise generation of frame notes in large frames.
3935 (set_reg_plus_d): Likewise.
3937 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
3939 PR tree-optimization/24709
3940 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3943 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
3945 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3946 and duplicate declaration of pthread_self.
3948 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
3949 Ian Lance Taylor <ian@airs.com>
3952 * calls.c (expand_call): If TARGET is a MEM and some part of the
3953 argument area has been saved, force TARGET to a register.
3955 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
3957 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3960 2005-11-13 Jason Merrill <jason@redhat.com>
3963 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3964 lazily declared methods.
3965 (force_decl_die): Stop if forcing out the context already make a
3967 (force_type_die): Likewise.
3969 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
3972 * builtins.c (integer_valued_real_p): Add break in
3973 REAL_CST having TREE_OVERFLOW set.
3975 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
3977 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3978 addressing modes during calculation of costs.
3980 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
3982 * function.c (assign_stack_local_1): Restrict sanity check
3983 on frame size overflow to 32-bit and above platforms.
3985 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3987 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3988 * config/cris/cris.c: Include reload.h.
3989 (cris_initial_elimination_offset): New function.
3990 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3993 2005-11-12 Richard Guenther <rguenther@suse.de>
3995 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3997 2005-11-12 Jan Hubicka <jh@suse.cz>
3999 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
4000 to compare against 0 when possible.
4002 2005-11-12 Jie Zhang <jie.zhang@analog.com>
4004 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
4005 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4006 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
4007 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
4010 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
4012 * recog.c (constrain_operands) <case 'g'>: For a match, require
4013 that a non-register matches general_operand when strict >= 0.
4015 2005-11-11 Steven Bosscher <stevenb@suse.de>
4017 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
4020 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
4022 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
4023 (memory_address_same): New.
4024 (dse_optimize_stmt): Call memory_address_same.
4026 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
4029 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
4030 ZERO_EXTEND>: New cases.
4032 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
4034 * longlong.h (__clz_tab): Always provide.
4036 2005-11-11 Steven Bosscher <stevenb@suse.de>
4039 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
4041 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
4042 before check_maybe_invariant.
4043 (move_invariant_reg): Use gen_move_insn instead of replacing
4044 SET_DEST with the temporary for the invariant.
4045 (move_loop_invariants): If checking is enabled, do internal
4046 consistency checks after completing the pass.
4048 2005-11-11 David Edelsohn <edelsohn@gnu.org>
4051 * common.opt (Wvolatile-register-var): New.
4052 * varasm.c (make_decl_rtl): Only emit warning when option
4053 specified. Clarify warning message.
4054 * doc/invoke.texi (Wvolatile-register-var): Document new option.
4056 * doc/md.texi (copysign): Document standard named pattern.
4058 2005-11-11 Jie Zhang <jie.zhang@analog.com>
4060 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
4061 bytes when align is 2.
4062 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
4063 by the first instruction of the loop.
4065 2005-11-11 Jason Merrill <jason@redhat.com>
4068 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
4071 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
4073 PR rtl-optimization/22509
4074 * local-alloc.c (memref_used_between_p): Check whether a function call
4075 could not reference the memref.
4077 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
4079 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
4080 algorithm so as to choose the best, not the worst, alternative.
4081 Reset accumulated register class before processing next alternative.
4083 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
4086 * calls.c (expand_call): Copy a return value to a plain register
4089 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
4092 * varasm.c (assemble_name): Recompute name only for transparent
4095 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
4097 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
4099 2005-11-04 Jeff Law <law@redhat.com>
4102 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
4103 perform reassociation if the parent statement will not die as
4104 a result of the optimization.
4106 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
4108 * tree-ssa-alias.c (compute_may_aliases): Remove call to
4109 delete_old_heap_vars.
4110 * tree-dfa.c (referenced_var_remove): Remove function.
4111 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
4112 (delete_tree_ssa): Remove call to delete_old_heapvars.
4113 Add call to delete_alias_heapvars.
4114 * tree-flow.h (referenced_var_remove): Remove prototype
4115 (init_alias_heapvars): New prototype.
4116 (delete_alias_heapvars): Ditto.
4117 * Makefile.in (tree-ssa-structalias.o): Add
4118 gt-tree-ssa-structalias.o
4119 (GTFILES): Add tree-ssa-structalias.h and
4120 tree-ssa-structalias.c.
4121 (s-gtype): Add gt-tree-ssa-structalias.h.
4122 * tree-ssa-structalias.c (heapvars): Remove.
4123 (oldheapvars): Remove.
4124 (heapvar_for_stmt): New variable.
4125 (heapvar_lookup): New function.
4126 (heapvar_insert): Ditto.
4127 (get_constraint_for): See if we have an old heapvar
4129 (init_alias_heapvars): New function.
4130 (delete_alias_heapvars): Ditto.
4131 Add include of gt-tree-ssa-structalias.h.
4133 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4136 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
4138 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
4140 * tree.c (int_fits_type_p): Only look at the base type
4141 if it has the same precision as the original type.
4143 2005-11-10 Jakub Jelinek <jakub@redhat.com>
4146 * varasm.c (assemble_alias): Use %q+D in the error
4147 message instead of %J and %qD.
4149 2005-11-10 Richard Guenther <rguenther@suse.de>
4151 * gcse.c (free_ldst_entry): Only free hashtable if
4154 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4156 * function.c (assign_stack_local_1): Issue an error message if
4157 the frame size overflows in the signed target arithmetics.
4159 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4161 * tree.c (build_qualified_type): Chain the new type to the original
4162 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4163 a POINTER_TYPE or a REFERENCE_TYPE respectively.
4164 (build_pointer_type_for_mode): Only return unqualified types.
4165 (build_reference_type_for_mode): Likewise.
4167 2005-11-09 Jakub Jelinek <jakub@redhat.com>
4169 * Makefile.in (gnucompare): Do comparison of all files using one of
4170 the chosen methods and only afterwards decide if just warning should
4171 be issued or comparison failure raised.
4173 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4175 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
4176 (noce_try_abs): Negate if the comparison is reversed.
4177 Look only one instruction backwards for a REG_EQUAL note.
4179 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
4182 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
4183 gthr-tpf.h: Define __gthrw. For all identifiers that might
4184 be weak, introduce weakrefs or non-weak aliases with __gthrw,
4185 and prefix all uses with __ghtrw.
4187 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
4190 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
4191 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
4192 * c-common.c (handle_weakref_attribute): New.
4193 (c_common_attribute_table): Add weakref.
4194 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
4196 * configure, config.in: Rebuilt.
4197 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
4198 * doc/extend.texi: Document weakref attribute.
4199 * varasm.c (ultimate_transparent_alias_target): New
4200 (assemble_name): Use it.
4201 (weak_finish_1): Split out of...
4202 (weak_finish): ... and deal with weakrefs in...
4203 (weakref_targets): ... new list.
4204 (globalize_decl): Clean up weakref_targets.
4205 (do_assemble_alias): Handle weakrefs.
4206 (finish_aliases_1): Do not reject weakrefs to external symbols.
4207 (assemble_alias): Handle weakrefs.
4209 2005-11-09 Richard Guenther <rguenther@suse.de>
4211 PR tree-optimization/24716
4212 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
4213 t_bool to track results from follow_ssa_edge.
4215 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4217 * final.c (force_source_line): New global variable.
4218 (final_scan_insn): Set it to true instead of clearing last_filename.
4219 (notice_source_line): Return true if force_source_line is true,
4220 unless source info is absent.
4222 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
4225 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
4226 a linkage name for a variable if it a register variable.
4227 * c-decl.c (grokdeclarator): Global register variables
4228 should be set as PUBLIC.
4230 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4233 * config/s390/s390.c (struct s390_frame_layout): New fields
4234 first_save_gpr_slot and last_save_gpr_slot.
4235 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
4236 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
4237 first_save_gpr and last_save_gpr with the _slot variants.
4238 (s390_register_info): Calculate first_save_gpr_slot and
4239 last_save_gpr_slot using regs_ever_live.
4241 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4244 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
4245 for a function containing a landing pad.
4247 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4250 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
4253 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
4255 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
4256 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
4258 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
4261 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
4263 (call,load,store): New insn types.
4264 (mem_access, branch_access): Adjust reservation conditions.
4265 (define_delay): Adjust condition.
4266 (decrement_and_branch_until_zero): Allow for ms2. Set branch
4268 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
4269 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
4271 (call_internal, call_value_internal, return_internal,
4272 return_interrupt_internal, eh_return_internal, indirect_jump,
4273 tablejump): Set call insn type.
4274 (blockage, ei, di): Use appropriate unspec const.
4275 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
4276 (ms1_get_attr_type): Adjust to give load & store types.
4277 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
4278 backwards past a barrier.
4279 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
4281 (struct branch_info, struct label_info): New.
4283 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
4284 (ms1_machine_reorg): New.
4285 (TARGET_MACHINE_DEPENDENT_REORG): Override.
4286 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
4287 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
4288 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
4291 2005-11-09 Per Bothner <per@bothner.com>
4292 Uros Bizjak <uros@kss-loka.si>
4295 * toplev.c (process_options): Initialize debug_hooks early
4296 in case lang_hooks.post_options ends up calling a debug_hook.
4298 2005-11-08 Jakub Jelinek <jakub@redhat.com>
4300 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
4301 DBX_REGISTER_NUMBER being contiguous.
4303 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
4304 Diego Novillo <dnovillo@redhat.com>
4307 * tree-vrp.c (register_edge_assert_for): Do not register
4308 always-false predicates.
4310 2005-11-08 Devang Patel <dpatel@apple.com>
4312 PR tree-optimization/23115
4313 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
4316 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
4318 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
4321 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
4323 Fix PR tree-optimization/23382
4325 * tree-ssa-alias.c (compute_may_aliases): Call
4326 delete_old_heap_vars.
4327 * tree-dfa.c (referenced_var_remove): New function.
4328 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
4329 * tree-flow.h (referenced_var_remove): Add prototype.
4330 (delete_old_heap_vars): Ditto.
4331 * tree-ssa-structalias.c (heapvars): New variable.
4332 (oldheapvars): Ditto.
4333 (get_constraint_for): Put heap vars on heapvars list.
4334 (delete_old_heap_vars): New function.
4336 2005-11-08 Jason Merrill <jason@redhat.com>
4338 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
4340 2005-11-08 Uros Bizjak <uros@kss-loka.si>
4343 * reg-stack.c (reg_to_stack): Update register liveness also
4344 for flag_sched2_use_traces.
4346 2005-11-08 Alan Modra <amodra@bigpond.net.au>
4349 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
4350 override prior explicit -mno-powerpc-gfxopt.
4352 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
4354 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
4355 if the bitsize is zero.
4356 * doc/md.texi (Standard Pattern Names): Document it.
4358 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
4359 (TARGET_PASS_BY_REFERENCE): Likewise.
4361 2005-11-07 Ian Lance Taylor <ian@airs.com>
4363 PR rtl-optimization/24683
4364 * config/i386/i386.c (legitimize_pic_address): If constant operand
4365 to PLUS is too large, put it in a register.
4367 2005-11-07 Jie Zhang <jie.zhang@analog.com>
4369 * configure.ac: Enable checking assembler dwarf2 support for bfin
4371 * configure: Regenerate.
4373 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
4377 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
4378 gen_easy_vector_constant_add_self): Delete.
4379 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
4381 (output_vec_const_move): Use gen_easy_altivec_constant.
4382 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
4383 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
4384 (easy_vector_constant_add_self): Rewritten.
4385 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
4386 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
4387 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
4388 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
4389 Macroize and adjust for the other changes.
4391 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
4395 * c-typeck.c (build_c_cast): Try using a shared constant, and see
4396 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
4398 2005-11-07 Jakub Jelinek <jakub@redhat.com>
4400 PR rtl-optimization/23567
4401 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
4402 (noce_process_if_block): Don't do any optimizations except
4403 if (cond) x = x; if !set_b and write into orig_x may trap
4404 or fault. Remove the MEM_READONLY_P check.
4406 2005-11-06 Diego Novillo <dnovillo@redhat.com>
4409 * tree-vrp.c (fix_equivalence_set): New.
4410 (extract_range_from_assert): Call it.
4412 2005-11-05 Ian Lance Taylor <ian@airs.com>
4415 * combine.c (apply_distributive_law): Don't distribute across a
4418 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
4420 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
4421 config/ms1/ms1.h, config/rs6000/predicates.md,
4422 config/s390/s390.c, params.def, postreload-gcse.c,
4423 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
4424 tree-vrp.c, tree.c: Fix comment typos.
4425 * doc/invoke.texi: Fix typos.
4427 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
4429 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
4430 for testing whether the data_dependence_relation contains distance
4431 vectors. Iterate over all distance vectors of the ddr.
4432 * lambda.h: Define a vec of lambda_vector pointers.
4433 * tree-data-ref.c (dump_data_dependence_relation,
4434 dump_data_dependence_direction): Iterate over all distance and
4435 direction vectors of the ddr.
4436 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
4438 (build_classic_dist_vector, build_classic_dir_vector): Push a set
4439 of distance/direction vectors instead of a single one.
4440 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
4441 lambda_vectors with a vec of lambda_vectors.
4442 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
4443 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
4444 DDR_NUM_DIST_VECTS): New.
4445 * tree-loop-linear.c (gather_interchange_stats): Test for the
4446 existence of distance vectors only after having checked that there
4447 is a dependence. Iterate over all distance vectors of the ddr.
4448 (linear_transform_loops): Use dump_data_dependence_relation.
4449 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
4450 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
4451 distance vectors of the ddr.
4453 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
4455 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
4456 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
4457 IS_INTHANDLER; all callers changed.
4458 (n_regs_saved_by_prologue): Take interrupt handler attributes into
4460 (do_link, do_unlink): New argument ALL; all callers changed.
4461 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
4462 If function isn't leaf, save and restore all registers.
4463 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
4466 2005-11-05 Jan Hubicka <jh@suse.cz>
4468 PR rtl-optimization/23490
4469 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
4470 max-flow-memory-location): Document.
4471 * flow.c: Include params.h
4472 (MAX_MEM_SET_LIST_LEN): Kill.
4473 (add_to_mem_set_list): Use new param.
4474 * cse.c (cse_basic_block): Replace 1000 by new param.
4475 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
4476 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
4477 * predict.c (predict_loops): Use new param.
4478 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
4480 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
4481 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4482 Do not hold memory returned by cgraph_node_name across other call.
4484 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
4487 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
4490 2005-11-04 Jeff Law <law@redhat.com>
4493 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
4494 * tree-ssa-dom.c: Include params.h.
4495 (thread_across_edge): If there are too many statements in the
4496 target block, then do not thread through it.
4497 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
4498 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
4500 2005-11-03 Diego Novillo <dnovillo@redhat.com>
4503 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
4504 TODO_update_ssa instead of TODO_update_ssa_no_phi.
4506 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
4509 * tree-scalar-evolution.c (instantiate_parameters_1,
4510 instantiate_parameters, resolve_mixers): Compute the size of an
4511 expression to be instantiated and give up the instantiation if the
4512 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4514 2005-11-04 Richard Guenther <rguenther@suse.de>
4516 * tree-flow.h (ref_contains_indirect_ref): Rename to
4517 array_ref_contains_indirect_ref.
4518 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
4519 (array_ref_contains_indirect_ref): Make comment match the code
4521 (ref_contains_array_ref): Likewise.
4522 * tree-ssa-structalias.c (find_func_aliases): Remove call to
4523 ref_contains_indirect_ref.
4524 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4525 Rename calls to ref_contains_indirect_ref.
4527 2005-11-04 Paul Brook <paul@codesourcery.com>
4529 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
4530 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
4531 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4532 * config/arm/arm.md: Use match_operand in peephole input templates
4533 and match_dup in peephole output templates.
4535 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4537 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
4540 2005-11-04 Mark Mitchell <mark@codesourcery.com>
4541 Daniel Jacobowitz <dan@codesourcery.com>
4543 * longlong.h (add_ssaaaa): Clobber condition code register
4545 (sub_ddmmss): Likewise.
4546 (umul_ppmm): Likewise.
4548 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4549 Paul Brook <paul@codesourcery.com>
4550 Phil Blundell <pb@reciva.com>
4552 * configure.ac: Add test for ARM TLS support.
4553 * configure: Regenerated.
4554 * config/arm/arm-protos.h (legitimize_tls_address)
4555 (arm_tls_referenced_p, tls_mentioned_p)
4556 (arm_output_addr_const_extra): New prototypes.
4557 (thumb_legitimize_pic_address): Delete.
4558 * config/arm/arm.c: Include "gt-arm.h".
4559 (enum tls_reloc): New.
4560 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
4561 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
4562 (arm_call_tls_get_addr, legitimize_tls_address)
4563 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
4564 (arm_init_tls_builtins, arm_emit_tls_decoration)
4565 (arm_output_addr_const_extra): New functions.
4566 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
4567 (TARGET_HAVE_TLS): Define.
4568 (target_thread_pointer): New.
4569 (arm_override_options): Handle -mtp=.
4570 (legitimize_pic_address): Ignore UNSPECs.
4571 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4573 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4574 (tls_get_addr_libfunc): New variable.
4575 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4576 (arm_init_builtins): Call arm_init_tls_builtins.
4577 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4578 (arm_encode_section_info): Call default_encode_section_info.
4579 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4580 (enum arm_tp_type): New.
4581 (target_thread_pointer): Add declaration.
4582 (LEGITIMATE_CONSTANT_P): Handle TLS.
4583 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4584 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4585 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4586 * config/arm/arm.md: Add UNSPEC_TLS.
4587 (movsi): Handle TLS.
4588 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4590 (tls_load_dot_plus_eight): New insn and a peephole to create it.
4591 (load_tp_hard, load_tp_soft): New insns.
4592 * arm.opt: Add -mtp=.
4593 * doc/invoke.texi (ARM Options): Document -mtp.
4595 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4597 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4598 * config/arm/libunwind.S: Include "lib1funcs.asm".
4599 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4600 (LIB2ADDEH): Add libunwind.S.
4601 (LIB2ADDEHDEP): Add lib1funcs.asm.
4602 * mklibgcc.in: Handle asm files in libgcc_eh.a.
4604 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4607 * gcc/c.opt: Add a -lang-fortran option.
4608 * gcc/c-opts.c: Add a lang_fortran flag.
4609 (c_common_init_options): Handling the -lang-fortran option.
4610 (c_common_handle_option): Add a case for Fortran options in
4611 preprocessing. Remove cases for -ffixed-form and
4612 -ffixed-line-length. Add a case for -lang-fortran.
4614 2005-11-03 David Edelsohn <edelsohn@gnu.org>
4616 * config/rs6000/rs6000.c: Include params.h
4617 (optimization_options): Set max-grow-copy-bb-insns default to 16.
4618 (bdesc_2arg): Delete vpkuhss and vpkuwss.
4619 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4620 (UNSPEC_VPKUWSS): Delete.
4621 (altivec_vpkuhss): Delete.
4622 (altivec_vpkuwss): Delete.
4623 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4625 (neg_eq0<mode>): Remove final condition.
4626 (neg_eq<mode>): Remove condition and split-condition.
4628 2005-11-04 Alan Modra <amodra@bigpond.net.au>
4630 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4631 Use associated print macros.
4633 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4636 * diagnostic.c (diagnostic_set_info_translated): New function.
4637 (diagnostic_set_info): Use it. Add comment.
4638 * diagnostic.h (diagnostic_set_info_translated): Declare.
4640 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
4642 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4643 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4644 reference only if 'public' is true.
4645 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4646 emit the .hidden directive only if the indirect reference is public.
4647 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4648 Pass it to dw2_force_const_mem.
4649 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4650 * dwarf2out.c (output_cfi): Adjust calls to above function.
4651 (output_call_frame_info): Likewise.
4652 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4653 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4655 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
4657 PR tree-optimization/24483
4658 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4659 field to elts if possible.
4661 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4664 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4667 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
4669 Fix PR tree-optimization/24351
4671 * tree-ssa-structalias.c (struct variable_info): Add
4673 (get_varinfo_fc): New function to follow collapsing.
4674 (new_var_info): Set collapsed_to to NULL.
4675 (dump_constraint): Follow collapsing.
4676 (build_constraint_graph): Handle collapsing.
4677 (do_simple_structure_copy): Return false if something bad
4679 (collapse_rest_of_var): New function.
4680 (do_structure_copy): Collapse if do_simple_structure_copy returns
4683 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4686 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4687 expressions to a statement list instead of gimplifying them.
4689 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4691 PR rtl-optimization/23585
4692 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4693 that can't trap plus a constant integer, if the mode has zero size.
4695 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
4698 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4700 ("*insv<mode>_reg_extimm"): Likewise.
4702 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4705 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4706 c_common_type_for_mode returns an unnamed type.
4708 2005-11-02 Richard Henderson <rth@redhat.com>
4712 * dwarf2out.c (dwarf2out_reg_save_reg): New.
4713 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4714 * function.c (assign_parms): Use calls.internal_arg_pointer.
4715 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4717 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4718 (TARGET_CALLS): Add it.
4719 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4720 * targhooks.c (default_internal_arg_pointer): New.
4721 * targhooks.h (default_internal_arg_pointer): Declare.
4722 * tree.h (dwarf2out_reg_save_reg): Declare.
4723 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4724 * config/i386/i386.c (dbx_register_map): Add return column.
4725 (dbx64_register_map, svr4_dbx_register_map): Likewise.
4726 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4727 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4728 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4729 (ix86_save_reg): Save force_align_arg_pointer.
4730 (ix86_emit_save_regs): Make regno unsigned.
4731 (ix86_emit_save_regs_using_mov): Likewise.
4732 (ix86_expand_prologue): Handle force_align_arg_pointer.
4733 (ix86_expand_epilogue): Likewise.
4734 * config/i386/i386.h: (dbx_register_map): Update.
4735 (dbx64_register_map, svr4_dbx_register_map): Update.
4736 (struct machine_function): Add force_align_arg_pointer.
4737 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4738 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4739 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4741 2005-11-02 Jan Hubicka <jh@suse.cz>
4744 * i386.md: Add peep2 for simplyfing array accesses.
4746 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4749 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4750 * config/s390/s390.c (s390_decompose_shift_count): New function.
4751 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4752 (print_shift_count_operand): Use s390_decompose_shift_count.
4753 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4754 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
4756 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4759 * loop.c (loop_givs_rescan): Use force_operand to expand
4762 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
4765 * fold-const.c (build_range_check): Use unsigned when signed
4766 overflow is undefined also. If etype is subtype, make sure that
4767 the subtraction is in the supertype.
4769 2005-11-02 Richard Henderson <rth@redhat.com>
4772 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4775 2005-11-01 Richard Henderson <rth@redhat.com>
4778 * loop.c (scan_loop): Do not propagate computations to a hard
4779 register destination with SMALL_REGISTER_CLASSES.
4781 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
4783 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4784 costs for MULT inside PLUS or MINUS.
4786 2005-11-01 Bob Wilson <bob.wilson@acm.org>
4788 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4789 (TRAMPOLINE_SIZE): Round up to 60.
4790 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4792 2005-10-31 James E. Wilson <wilson@specifix.com>
4795 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4796 ifdef. Put ifdefs around call in gen_subprogram_die.
4797 (compute_frame_pointer_to_cfa_displacement): Likewise.
4798 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4801 PR rtl-optimization/17356
4802 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
4803 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4805 2005-10-31 Jan Hubicka <jh@suse.cz>
4808 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4811 * i386.c (legitimize_pic_address): Deal with large immediates.
4814 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4815 from symbol names while computing checkup.
4818 * predict.c (predict_loops): Do not estimate more than
4819 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4820 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4822 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
4824 PR tree-optimization/19097
4825 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4827 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
4829 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4831 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
4834 * tree-inline.c (setup_one_parameter): If the init_stmt
4835 is NULL, don't insert the statement.
4837 2005-10-30 Jan Hubicka <jh@suse.cz>
4839 PR tree-optimization/24172
4840 * tree-inline.c (copy_body_r): Unshare the substituted value first.
4842 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
4844 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4845 constants for hosts with long != 32 bits.
4847 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
4850 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4852 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
4854 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4855 (TARGET_MS1_16_002): New.
4856 (TARGET_MS1_16_003): New.
4858 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4859 ("*decrement_and_branch_until_zero_no_clobber"): New.
4860 Add corresponding splitter for decrement_and_branch_until_zero
4862 Key all decrement_and_branch_until_zero patterns off of
4865 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
4868 * tree-complex.c (extract_component): Treat RESULT_DECL
4869 like the rest of the decls.
4871 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
4873 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4874 indirect call to _mcount if the function needs a static chain.
4876 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
4877 Caroline Tice <ctice@apple.com>
4879 PR rtl-optimization/24460
4880 * dwarf2out.c (have_switched_text_sections): New boolean variable.
4881 (dwarf2out_switch_text_section): Set it to true instead of
4882 incrementing separate_line_info_table_in_use.
4883 (output_loc_list): Additionally test have_switched_text_sections.
4884 (output_ranges): Likewise.
4885 (dwarf2out_finish): Likewise.
4886 * varasm.c (assemble_start_function): Do not call
4887 insert_section_boundary_note.
4888 (assemble_end_function): If flag_reorder_blocks_and_partition,
4889 switch to the function's section before emitting the .size directive.
4890 * bb-reorder.c (insert_section_boundary_note): Staticify.
4891 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4892 * output.h (insert_section_boundary_note): Delete.
4894 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
4897 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4898 instead of pointer equality when comparing types.
4900 2005-10-24 James E. Wilson <wilson@specifix.com>
4902 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4903 add_dependence_list_and_free calls.
4905 2005-10-24 Steven Bosscher <stevenb@suse.de>
4907 * contrib.texi: Add the names of the LLNL folks who donated
4908 Cray pointer support for gfortran.
4910 2005-10-24 Steven Bosscher <stevenb@suse.de>
4912 PR tree-optimization/24225
4913 * profile.c (branch_prob): Look from end to start through a
4914 basic block when looking for a locus.
4916 2005-10-24 Richard Henderson <rth@redhat.com>
4918 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4920 (hppa_expand_prologue): Likewise.
4922 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4924 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4925 (NO_DEFERRED_PROFILE_COUNTERS): Define.
4926 * pa.h (NO_PROFILE_COUNTERS): Define.
4927 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4928 (funcdef_nos): New vector to hold label numbers of deferred profile
4930 (output_deferred_profile_counters): New function.
4931 (hppa_profile_hook): Push label number onto funcdef_nos.
4932 (pa_hpux_file_end): Call output_deferred_profile_counters if
4933 NO_DEFERRED_PROFILE_COUNTERS is false.
4935 * pa-protos.h (get_deferred_plabel): New prototype.
4936 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
4938 (output_call): Adjust calls.
4940 2005-10-24 Alan Modra <amodra@bigpond.net.au>
4942 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4943 peculiarity of GOT/TOC section usage.
4945 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
4948 * c-common.c (constant_string_class_name): Add documentation.
4950 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
4953 * recog.c (peephole2_optimize): Increment peep2_current_count
4954 only when the slot is empty.
4956 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4959 * except.c (output_function_exception_table): Call
4960 assemble_external_libcall if we need a personality function.
4962 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4964 PR rtl-optimization/24460
4965 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4966 set the basic block for barriers.
4968 2005-10-21 Janis Johnson <janis187@us.ibm.com>
4970 * var-tracking.c (vt_initialize): Initialize post.
4972 2005-10-21 Devang Patel <dpatel@apple.com>
4975 * c-common.c (vector_types_convertible_p): Check vector element type.
4977 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
4979 * config/sh/sh.c (prepare_move_operands): Handle the address
4980 constant which is a tls symbolic address plus a constant.
4982 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
4985 * gcc.c (main): Use the correct counter for erroring out
4986 about mulitple files.
4988 2005-10-21 Alan Modra <amodra@bigpond.net.au>
4991 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4992 use r2 for 64-bit tls .got access.
4994 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
4996 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4999 2005-10-20 Steven Bosscher <stevenb@suse.de>
5001 PR tree-optimization/24307
5002 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
5004 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
5007 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
5009 * varasm.c (find_decl_and_mark_needed): After cgraph global info
5010 is ready, stop marking functions, but still mark variables.
5012 2005-10-20 Richard Guenther <rguenther@suse.de>
5015 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
5018 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
5020 PR rtl-optimization/23585
5021 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
5022 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
5023 (may_trap_p_1): New predicate extracted from...
5024 (may_trap_p): ... here. Invoke may_trap_p_1.
5025 (may_trap_or_fault_p): New predicate.
5026 * rtl.h (may_trap_or_fault_p): Declare it.
5027 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
5028 instead of may_trap_p.
5029 (steal_delay_list_from_fallthrough): Likewise.
5030 (fill_simple_delay_slots): Likewise.
5031 (fill_slots_from_thread): Likewise.
5032 * function.c (pad_to_arg_alignment): Rework comment about
5033 SPARC_STACK_BOUNDARY_HACK.
5034 * config/sparc/sparc.h: Likewise.
5036 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
5038 * config/s390/s390.c (s390_expand_insv): New.
5039 * config/s390/s390-protos.h (s390_expand_insv): Declare.
5040 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
5041 ("icm_hi"): Remove mode attribute.
5042 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
5044 ("*extracthi", "*extractqi"): Remove.
5045 (extv<mode>", "*extzv<mode>"): New.
5046 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
5047 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
5049 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5051 * cfgexpand.c (discover_nonconstant_array_refs_r,
5052 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
5053 (tree_expand_cfg): Call discover_nonconstant_array_refs.
5054 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
5055 discover_nonconstant_array_refs.
5057 2005-10-19 Steven Bosscher <stevenb@suse.de>
5060 * c-decl.c (pop_scope): Don't warn about an unused variable
5061 if it is marked with TREE_NO_WARNING.
5062 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
5063 somenow mismatch and olddecl is to be replaced.
5065 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
5068 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
5069 whether registers live on the edge can be saved/restored.
5071 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
5073 * config/sh/sh.c (fixup_mova): Skip notes.
5075 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5077 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
5078 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
5079 (s390_can_eliminate): Handle BASE_REGNUM elimination.
5080 (s390_initial_elimination_offset): Likewise.
5081 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
5082 register on TARGET_ZARCH targets.
5083 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
5084 (INITIAL_FRAME_POINTER_OFFSET): Remove.
5085 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
5086 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
5088 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
5090 * config/s390/s390.md: Comment describing output modifiers updated.
5091 * config/s390/s390.c (print_operand): Likewise.
5093 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
5095 * config/s390/s390.c (override_options): Added check for -mstack-size
5097 * doc/invoke.texi: Mention that limit in the documenation.
5099 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
5102 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
5104 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
5106 Fix PR tree-optimization/24231
5108 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
5109 (compute_avail): Ditto.
5111 2005-10-18 Richard Henderson <rth@redhat.com>
5114 * config/i386/i386.c (legitimate_constant_p): Check
5115 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
5117 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
5118 (legitimate_pic_address_disp_p): Reorg CONST checking to make
5119 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
5121 (print_operand_address): Likewise.
5122 * config/i386/predicates.md (x86_64_immediate_operand): Test
5123 SYMBOL_REF_TLS_MODEL properly inside CONST.
5124 (x86_64_zext_immediate_operand): Likewise.
5125 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
5126 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
5127 * config/i386/i386-protos.h: Remove predicates.md entries.
5129 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
5131 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
5132 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
5134 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
5135 Ian Lance Taylor <ian@airs.com>
5138 * fold-const.c (fold_widened_comparison): Do not allow range based
5139 constant folding when right operand cannot be unwidened.
5141 2005-10-17 Richard Henderson <rth@redhat.com>
5143 * builtins.c (expand_builtin_synchronize): Build a new-style asm
5144 with a memory clobber.
5146 2005-10-17 James E Wilson <wilson@specifix.com>
5148 PR rtl-optimization/17356
5149 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
5150 checking for EDGE_EH.
5152 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
5154 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
5155 the slot on an even boundary for any type with 16-byte alignment.
5157 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
5160 * md.texi (Modifiers) <%>: Clarify that % doesn't work
5161 after register allocation.
5163 2005-10-17 DJ Delorie <dj@redhat.com>
5165 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
5168 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
5171 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
5174 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
5176 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
5177 to 2 if it's already non-zero.
5178 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
5179 is set and warn about it if flag_schedule_insns is 1.
5181 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
5183 * config/crx/crx.md: Compare-and-branch instructions need to
5186 2005-10-17 Uros Bizjak <uros@kss-loka.si>
5189 * config/i386/i386.md (*pushdi2_rex64 splitter)
5190 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
5191 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
5192 flow2 pass only when (optimize > 0 && flag_peephole2).
5194 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
5197 * gcc.c (have_c): New static variable.
5199 (process_command): Remove declation of have_c.
5200 Set have_o to 1 when handling -o.
5201 (main): Add a fatel error if there are multiple
5202 files specified and -o and -c/-S is passed witout
5203 -combine or multiple languages.
5205 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
5207 Fix PR tree-optimization/22444
5208 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
5209 Assert that we don't hit something with subvars.
5210 (setup_pointers_and_addressables): Don't add things with subvars,
5211 because we'll already process the subvars for aliasing purposes.
5213 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
5216 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
5217 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
5218 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
5219 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
5220 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
5221 swapped, alternatives for the R constraint.
5224 * builtins.c (get_builtin_sync_mode): Make unlimited
5225 mode_for_size request.
5227 2005-10-15 Richard Henderson <rth@redhat.com>
5229 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
5230 (gimplify_expr): ... here.
5231 (gimplify_compound_lval): Use it in initial scan loop. Allow
5232 fb_lvalue in base expression.
5234 2005-10-15 Richard Henderson <rth@redhat.com>
5237 * builtins.c (expand_builtin_trap): Export.
5238 * expr.h (expand_builtin_trap): Declare.
5239 * expr.c (expand_assignment): Emit a trap for integral offsets
5240 from registers that weren't reduced to bitpos.
5242 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
5243 (mark_array_ref_addressable): Remove.
5244 * tree-flow.h (mark_array_ref_addressable): Remove.
5245 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
5247 2005-10-15 James E Wilson <wilson@specifix.com>
5250 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
5251 (add_dependence_list_and_free): Likewise.
5252 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
5255 2005-10-15 Diego Novillo <dnovillo@redhat.com>
5259 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
5260 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
5262 (vrp_visit_phi_node): Only prevent infinite iterations when
5263 the previous result and the new result are both VR_RANGEs.
5265 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
5267 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
5270 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5273 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
5276 2005-10-14 Per Bothner <per@bothner.com>
5278 PR preprocessor/21250
5279 * c-ppoutput.c (print_line): Print internal line 0 as 1.
5281 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
5284 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
5285 overflow flags. Refactor some conditionals.
5287 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
5290 * tree-dfa.c (add_referenced_var): Only look at decls which
5291 have TREE_CONSTANT or TREE_READONLY set instead of if
5292 !TREE_PUBLIC or !TREE_CONSTANT.
5294 2005-10-13 James E Wilson <wilson@specifix.com>
5296 * doc/invoke.texi: For -x, add f95-cpp-input.
5297 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
5299 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
5301 PR tree-optimization/24262
5302 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
5303 in loop all the time.
5305 2005-10-12 Richard Henderson <rth@redhat.com>
5308 * tree.h (DECL_TRANSPARENT_UNION): Remove.
5309 * function.c (assign_parm_find_data_types): Don't support it.
5310 * print-tree.c (print_node): Likewise.
5311 * c-common.c (handle_transparent_union_attribute): Likewise.
5312 Use build_duplicate_type.
5313 * tree-inline.c (remap_type_1): Split out of remap_type;
5314 properly remap aggregate fields.
5315 (build_duplicate_type): New.
5316 * doc/extend.texi (Variable Attributes): Remove documentation
5317 for transparent_union.
5319 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5322 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
5323 (gen_stack_pointer_dec): Likewise.
5325 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
5329 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
5331 (struct cxx): Add adjust_class_at_definition target hook.
5332 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
5333 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
5334 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
5335 hook_void_tree. Add to TARGET_CXX.
5336 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
5338 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
5339 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
5340 instead of attribute. Check for dllexport override. Warn if
5341 inconsistent dll linkage. Don't lose old dllimport if decl has
5342 had address referenced. Tweak lookup of dllimport atribute.
5343 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
5344 for target specific rules. Don't add dllimport attribute if
5345 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
5346 dllimport attribute.
5347 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
5348 * varasm.c (initializer_constant_valid_p): Replace
5349 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
5353 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
5354 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
5355 (i[34567]86-*-mingw32*): Likewise.
5357 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
5358 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
5360 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
5361 C++-specific code. Change return value to bool.
5362 (i386_pe_dllimport_p): Likewise.
5363 (associated_type): Simplify and make language-independent
5364 (i386_pe_encode_section_info): Replace override of ambiguous
5365 dllimport symbol refs with a gcc_assert.
5366 (i386_pe_valid_dllimport_attribute_p): Define.
5367 * config/i386/winnt-cxx.c: New file. Define C++ versions of
5368 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5369 i386_pe_adjust_class_at_definition.
5370 * config/i386/winnt-stubs.c: New file. Define stub versions of
5371 lang-specific functions.
5372 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
5373 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5374 i386_pe_adjust_class_at_definition.
5375 (i386_pe_valid_dllimport_attribute_p): Declare.
5376 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
5377 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
5378 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
5381 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
5382 dllimport attribute with test of DECL_DLLIMPORT_P.
5384 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
5386 * combine.c (make_extraction): Correct offset computation.
5388 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
5390 * config/cris/t-linux (LIMITS_H_TEST): Define.
5392 2005-10-12 Richard Henderson <rth@redhat.com>
5395 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
5397 2005-10-12 Richard Guenther <rguenther@suse.de>
5399 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
5401 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
5404 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
5405 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
5408 2005-10-12 Richard Guenther <rguenther@suse.de>
5411 * varasm.c (output_constant): Correct typo from previous
5414 2005-10-11 Ian Lance Taylor <ian@airs.com>
5416 PR rtl-optimization/13931
5417 * combine.c: Revert patch of 2003-05-14, and:
5418 (try_combine): Only set elim_i1 and elim_i2 if the destination is
5419 completely killed in the appropriate insn.
5420 (distribute_notes): Don't skip multiple hard register test for
5421 elim_i1 and elim_i2.
5423 2005-10-11 Richard Henderson <rth@redhat.com>
5426 * c-typeck.c (convert_for_assignment): Use build_constructor_single
5427 to initialize a transparent union instead of a nop_expr.
5429 2005-10-11 Richard Henderson <rth@redhat.com>
5431 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
5432 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
5433 (tree_ssa_dce_loop): Call scev_reset.
5436 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
5437 * tree-ssa-dce.c: Include cfgloop.h.
5438 (tree_ssa_dce_loop, pass_dce_loop): New.
5439 * tree-pass.h (pass_dce_loop): Declare it.
5440 * passes.c (init_optimization_passes): Use it.
5442 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5445 * convert.c (convert_to_real): Revert 2005-10-05 patch.
5446 Only apply the optimization for rounding builtins if the inner
5447 cast is also an extension.
5449 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
5452 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
5453 mark_new_vars_to_rename instead of update_stmt.
5455 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
5457 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
5459 2005-10-11 Jakub Jelinek <jakub@redhat.com>
5461 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
5462 for setting MMX register to 0 rather than mmx.
5464 2005-10-10 Steve Ellcey <sje@cup.hp.com>
5467 * configure.ac: Move gas check from mips specific case to common case.
5468 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
5469 * configure: Regenerate
5470 * doc/install.texi: Update.
5472 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5475 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
5477 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
5479 * gcc.c (do_spec_1): Accept numeric characters in file name
5482 2005-10-10 Nick Clifton <nickc@redhat.com>
5484 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
5485 describing the deleted arm_gen_rotated_half_load function.
5487 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
5489 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
5492 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
5494 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
5496 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
5497 (EXTRA_MULTILIB_PARTS): Define.
5498 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5499 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5500 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
5501 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5502 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5503 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
5505 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
5507 PR tree-optimization/24226
5508 * tree-cfg.c (remove_bb): Clean up unreachable loops.
5509 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
5510 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
5513 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5515 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
5517 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
5520 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
5521 Rewrite for no need for the early clobber.
5523 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
5525 Merge from csl-arm-branch:
5526 2005-09-07 Paul Brook <paul@codesourcery.com>
5527 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
5530 2005-04-30 Paul Brook <paul@codesourcery.com>
5531 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
5532 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
5534 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
5535 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
5536 (arm_override_options): Use TARGET_AAPCS_BASED.
5537 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
5538 (PTRDIFF_TYPE): Use int for AAPCS.
5539 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
5540 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
5541 (DEFAULT_SHORT_ENUMS): Delete.
5542 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
5544 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
5545 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
5546 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
5547 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
5549 2004-12-03 Mark Mitchell <mark@codesourcery.com>
5550 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
5552 2004-11-22 Mark Mitchell <mark@codesourcery.com>
5553 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
5555 2004-11-19 Mark Mitchell <mark@codesourcery.com>
5556 * config.gcc (arm*-*-linux-gnueabi): Add it.
5557 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
5559 (TARGET_OS_CPP_BUILTINS): Likeiwse.
5560 * config/arm/linux-eabi.h: New file.
5561 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
5562 (LINUX_TARET_LINK_SPEC): Likewise.
5563 (LINK_SPEC): Use it.
5564 * config/arm/t-linux-eabi: New file.
5566 2005-10-08 Steven Bosscher <stevenb@suse.de>
5569 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
5571 (PARAM_SMS_DFA_HISTORY): Likewise.
5573 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
5576 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5577 (load_register_parameters): Call it.
5578 (check_sibcall_argument_overlap_1): Likewise.
5579 (store_one_arg): Likewise.
5581 2005-10-07 James E. Wilson <wilson@specifix.com>
5583 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5584 DImode not VECINT24 for operand 2.
5587 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5591 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5592 fr_spill): Use destination_operand for operand 0.
5594 2005-10-07 DJ Delorie <dj@redhat.com>
5596 * varasm.c (output_constant): Limit error to expanding
5599 2005-10-07 Richard Guenther <rguenther@suse.de>
5602 * fold-const.c (fold_binary): Fix operand types during folding
5603 of X op (A, Y). Evaluation order of the side-effects of
5604 X and A are frontend-defined, so ensure we honour that even for
5605 tcc_comparison class operands; eased by removing duplicate code.
5607 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5609 * stor-layout.c (layout_type): Do not allow alignment of array
5610 elements to be greater than their size.
5612 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5614 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5616 (hppa*-*-linux*): Ditto.
5617 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5618 * config/host-hpux.c: New.
5619 * config/x-hpux: New.
5620 * config/pa/x-hpux: Remove.
5621 * config/pa/x-linux: Remove.
5622 * config/pa/pa-host.c: Remove.
5624 2005-10-07 Jeff Law <law@redhat.com>
5626 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5627 determine whether or not to try and thread outgoing edges.
5629 2005-10-07 David Edelsohn <edelsohn@gnu.org>
5631 * config/rs6000/rs6000.md (eqsi_power): New.
5632 (neg_eq0si): Add TARGET_POWER to final condition.
5635 2005-10-06 Richard Henderson <rth@redhat.com>
5637 * config/rs6000/rs6000.c: Revert last change.
5639 2005-10-06 Richard Henderson <rth@redhat.com>
5641 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5642 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5644 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
5648 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5649 out return_label and naked_return_label.
5651 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5653 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5656 2005-10-06 Richard Henderson <rth@redhat.com>
5659 * tree-inline.c (declare_return_variable): Handle modify_dest not
5662 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5664 Fix PR tree-optimization/22488
5665 * tree-ssa-structalias.c (check_for_overlaps): New function.
5666 (create_variable_info_for): Use it.
5668 2005-10-06 Richard Henderson <rth@redhat.com>
5671 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5672 (dwarf2out_start_source_file): Print it.
5674 2005-10-06 Geoffrey Keating <geoffk@apple.com>
5676 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5678 2005-10-06 Richard Henderson <rth@redhat.com>
5681 * mode-switching.c (optimize_mode_switching): Clear transp bit
5682 for block with incomming abnormal edges.
5684 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5685 (fpscr_set_from_mem): Use them.
5686 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5687 (fpscr postinc splitters): Rewrite as peephole2+split.
5689 2005-10-06 David Edelsohn <edelsohn@gnu.org>
5691 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5692 (eq<mode>_compare): Same.
5694 2005-10-06 Richard Guenther <rguenther@suse.de>
5696 PR tree-optimization/24238
5697 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5699 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
5701 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5702 here. Use AC_PATH_PROG for environment variables instead of
5704 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
5706 * configure: Regenerated.
5708 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
5711 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5712 then force it into a register.
5713 (call_value): Likewise.
5715 2005-10-06 Richard Henderson <rth@redhat.com>
5718 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5719 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
5720 under pass_vectorize.
5722 2005-10-05 Devang Patel <dpatel@apple.com>
5725 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5726 handling constants. Check NAMESPACE_DECL context for constants.
5728 2005-10-05 Eric Christopher <echristo@apple.com>
5730 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5732 2005-10-05 Richard Henderson <rth@redhat.com>
5735 * tree-cfg.c (mark_array_ref_addressable_1): New.
5736 (mark_array_ref_addressable): New.
5737 * tree-flow.h (mark_array_ref_addressable): Declare.
5738 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5740 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
5744 * reload.c (subst_reloads): When adding a REG_LABEL to a
5745 jump instruction, also update JUMP_LABEL.
5747 2005-10-05 David Edelsohn <edelsohn@gnu.org>
5749 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5750 * bb-reorder.c (copy_bb_p): Use it.
5751 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5753 2005-10-05 Richard Henderson <rth@redhat.com>
5756 * toplev.c (process_options): Warn about unsupported combinations
5757 of unwind tables and omit-frame-pointer.
5758 * config/i386/i386.c (override_options): Similarly. Enable
5759 accumulate-outgoing-args if not explicitly disabled.
5761 2005-10-05 Steve Ellcey <sje@cup.hp.com>
5763 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5764 Handle big endian vs. small endian.
5765 (vec_initv2sf): Handle big endian vs. small endian.
5766 (*vec_extractv2sf_1): Ditto.
5768 2005-10-05 Dale Johannesen <dalej@apple.com>
5770 * convert.c (convert_to_real): Don't convert
5771 (float)floor(double d) to floorf((float)d).
5773 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
5775 * config/arm/arm.md (insv): Use gen_int_mode in more places.
5777 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
5779 PR tree-optimization/18587
5780 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5781 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5782 build_vuses): Change to VEC type.
5783 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5784 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5785 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5786 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5787 (get_name_decl): New. Return DECL_UID of base variable.
5788 (operand_build_cmp): New. qsort comparison routine.
5789 (operand_build_sort_virtual): New. Sort virtual build vector.
5790 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5791 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5792 (FINALIZE_BASE): Use get_name_decl.
5793 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5794 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5795 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5796 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5797 direct VEC_* manipulations.
5798 (build_ssa_operands): Call operand_build_sort_virtual.
5799 (copy_virtual_operand, create_ssa_artficial_load_stmt,
5800 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5801 with direct VEC_* manipulations.
5802 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5803 with direct VEC manipulations.
5805 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
5807 PR tree-optimization/21419
5808 PR tree-optimization/24146
5809 PR tree-optimization/24151
5811 * c-typeck.c (readonly_error): Handle USE being lv_asm.
5812 (build_asm_expr): Call it if outputs are read-only.
5813 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5815 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
5816 Paolo Bonzini <bonzini@gnu.org>
5820 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5821 enable the instructions and not just the built-ins.
5822 * doc/invoke.texi (x86 Options): Likewise.
5824 2005-10-04 Geoffrey Keating <geoffk@apple.com>
5826 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5828 * doc/invoke.texi (Option Summary): Correct spelling
5829 of -mmacosx-version-min.
5831 2005-10-04 Devang Patel <dpatel@apple.com>
5833 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5836 2005-10-04 Steve Ellcey <sje@cup.hp.com>
5838 * tree-vect-transform.c (vect_create_epilog_for_reduction):
5839 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5841 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
5843 * config/s390/s390.md ("TDSI","DP"): New mode macros.
5844 ("TE","tg"): New mode attributes.
5845 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5846 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5847 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5848 dword_mode and one for GPRmode.
5850 2005-10-04 Ian Lance Taylor <ian@airs.com>
5852 PR preprocessor/13726
5853 * c-ppoutput.c (cb_include): Add comments parameter, and print out
5854 any comments passed in.
5856 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5858 * tree.c (annotate_with_file_line): Fix typo.
5860 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5863 * builtins.c (fold_builtin_memcmp): When constructing the pointer
5864 type used to access data in the inlined length == 1 case, use
5865 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5866 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5868 2005-10-04 Uros Bizjak <uros@kss-loka.si>
5870 * config/i386/i386.h (TARGET_FISTTP): Enable also for
5871 TARGET_SSE3 and only for TARGET_80387.
5872 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5873 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5874 Do not depend on TARGET_80387.
5876 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5878 * tree.c (last_annotated_node): Change type to location_t*.
5879 (annotate_with_file_line): Reflect the change of
5880 last_annotated_node type.
5882 2005-10-04 Richard Guenther <rguenther@suse.de>
5885 * c-decl.c (grokdeclarator): Don't write to fields
5888 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5891 * c-decl.c (finish_decl): Use set_user_assembler_name even for
5893 * varasm.c (make_decl_rtl): If a register variable does not
5894 have a set user assmbler name, error out.
5895 Decode the asmspec is now name+1 bypassing '*'.
5897 2005-10-04 Steven Bosscher <stevenb@suse.de>
5899 PR tree-optimization/23049
5900 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5901 of a COND_EXPR is folded before calling fold on the whole rhs of a
5902 conditional assignment.
5903 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5904 document that a COND_EXPR may appear there.
5906 2005-10-03 Diego Novillo <dnovillo@redhat.com>
5909 * tree-vrp.c (extract_range_from_assert): If the new numeric
5910 range created out of the assertion contradicts the existing
5911 numeric range of the ASSERT_EXPR variable, make the new range
5914 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
5916 * config/sh/sh.c (sh_register_move_cost): Add case for moving
5917 from T_REGS to FP register class.
5919 2005-10-03 Richard Henderson <rth@redhat.com>
5922 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5923 before creating a new one.
5925 2005-10-03 David Edelsohn <edelsohn@gnu.org>
5927 * config/rs6000/t-aix43 (LDFLAGS): New.
5928 * config/rs6000/t-aix52 (LDFLAGS): New.
5930 2005-10-03 Ian Lance Taylor <ian@airs.com>
5932 * gimplify.c (find_single_pointer_decl_1): New static function.
5933 (find_single_pointer_decl): New static function.
5934 (internal_get_tmp_var): For a formal variable, set restrict base
5935 information if appropriate.
5936 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5938 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5939 (DECL_GET_RESTRICT_BASE): Define.
5940 (SET_DECL_RESTRICT_BASE): Define.
5941 (decl_restrict_base_lookup): Declare.
5942 (decl_restrict_base_insert): Declare.
5943 (struct tree_decl_with_vis): Add based_on_restrict_p field.
5944 * tree.c (restrict_base_for_decl): New static variable.
5945 (init_ttree): Initialize restrict_base_for_decl.
5946 (copy_node_stat): Copy restrict base information.
5947 (decl_restrict_base_lookup): New function.
5948 (decl_restrict_base_insert): New function.
5949 (print_restrict_base_statistics): New static function.
5950 (dump_tree_statistics): Call print_restrict_base_statistics.
5952 2005-10-02 Diego Novillo <dnovillo@redhat.com>
5955 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5956 case of anti-ranges.
5958 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
5961 * c-typeck.c (tagged_tu_seen): Rename to ...
5962 (tagged_tu_seen_cache): this and add val field.
5963 (comptypes): Move functional to comptypes_internal
5964 and free tagged_tu_seen.
5965 (comptypes_internal): New function and call comptypes_internal
5966 instead of comptypes. Speed up by sibcalling
5967 tagged_types_tu_compatible_p.
5968 (alloc_tagged_tu_seen): New function
5969 (free_all_tagged_tu_seen_up_to): New function.
5970 (tagged_types_tu_compatible_p): Return the val of the seen two
5972 Add that the two types are the same to tagged_tu_seen_base
5973 if they are and call comptypes_internal instead of comptypes.
5974 <case UNION_TYPE>: Speed up common type where the fields are
5976 (function_types_compatible_p): Call comptypes_internal instead of
5978 (type_lists_compatible_p): Likewise.
5979 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5981 2005-10-02 Matthias Klose <doko@debian.org>
5983 * doc/invoke.texi: Fix typo and speling error.
5985 2005-10-01 Richard Henderson <rth@redhat.com>
5987 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5989 2005-10-01 Mark Mitchell <mark@codesourcery.com>
5991 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5992 using --start-group and --end-group.
5994 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5996 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5997 FIXME note regarding quirky semantics.
5999 2005-10-01 Diego Novillo <dnovillo@redhat.com>
6002 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
6003 non-null range as a last resort.
6005 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
6006 Diego Novillo <dnovillo@redhat.com>
6009 * tree-vrp.c (extract_range_from_assert): For !=
6010 assertions, only build an anti-range if LIMIT is a
6011 single-valued range.
6013 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
6015 * arm.md (movqi): On thumb when optimizing, handle loading from
6016 memory by describing this as taking a subreg of a zero-extended load
6017 into an SImode register.
6020 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
6022 * reload1.c (merge_assigned_reloads): Do not change any
6023 RELOAD_FOR_OUTPUT_ADDRESS reloads.
6025 2005-09-30 Geoffrey Keating <geoffk@apple.com>
6027 * Makefile.in (LIPO_FOR_TARGET): Define.
6028 (STRIP_FOR_TARGET): Define.
6030 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
6031 before creating new ones. Do symlinks before creating the actual
6034 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
6035 to work out which multilibs are actually being built.
6037 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
6039 * tree-vect-transform.c, config/ms1/ms1.md,
6040 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
6041 Follow spelling conventions.
6042 * doc/invoke.texi, doc/md.texi: Fix typos.
6044 2005-09-30 Andrew Macleod <amacleod@redat.com>
6046 PR tree-optimization/21430
6047 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
6048 use operands, and set stmt pointer if need be.
6049 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
6050 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
6053 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6056 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
6058 2005-09-29 Mark Mitchell <mark@codesourcery.com>
6060 * optabs.c (expand_binop): Initialize first_pass_p.
6062 2005-09-29 Jakub Jelinek <jakub@redhat.com>
6065 * c-decl.c (c_write_global_declarations_1): If any
6066 wrapup_global_declaration_2 call returned true, restart the loop.
6068 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
6070 Fix PR tree-optimization/24117
6071 * tree-ssa-structalias.c (find_func_aliases): Strip nops
6072 before considering whether to use anyoffset.
6074 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
6078 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
6080 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6082 (swap_commutative_operands_with_target): New.
6084 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
6087 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
6090 2005-09-29 Steven Bosscher <stevenb@suse.de>
6092 PR tree-optimization/23911
6093 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
6094 and IMAGPART_EXPR too.
6096 2005-09-28 Mark Mitchell <mark@codesourcery.com>
6099 * expmed.c (expand_shift): Move logic to reverse rotation
6100 direction when rotating by constants ...
6101 * optabs.c (expand_binop): ... here.
6102 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
6103 (ix86_rotrdi3): New pattern.
6104 (rotldi3): Handle 32-bit mode.
6105 (ix86_rotldi3): New pattern.
6107 2005-09-29 Alan Modra <amodra@bigpond.net.au>
6110 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
6111 check for numbers that need no bit twiddle.
6113 2005-09-28 Geoffrey Keating <geoffk@apple.com>
6115 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
6116 multilib to be built.
6118 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
6119 (stage1-start): Delete old libgcc and libunwind before moving
6120 anything into the stage directory.
6121 (stage2-start): Likewise.
6122 (stage3-start): Likewise.
6123 (stage4-start): Likewise.
6124 (stageprofile-start): Likewise.
6125 (stagefeedback-start): Likewise.
6126 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
6127 header in tm_file and CPU-specific t-darwin in tmake_file.
6128 (i[34567]86-*-darwin*): Don't change tm_file.
6129 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
6130 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
6131 shared library stub for target OS version.
6132 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
6133 (SHLIB_LINK): Don't make SHLIB_SOLINK.
6134 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
6135 (libgcc_s.%.dylib): New.
6137 (install-darwin-libgcc-stubs): New.
6138 (INSTALL_LIBGCC): New append.
6139 * config/i386/darwin-libgcc.10.4.ver: New.
6140 * config/i386/darwin-libgcc.10.5.ver: New.
6141 * config/i386/t-darwin: New.
6142 * config/rs6000/darwin-libgcc.10.4.ver: New.
6143 * config/rs6000/darwin-libgcc.10.5.ver: New.
6144 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
6145 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
6147 2005-09-28 Paul Brook <paul@codesourcery.com>
6149 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
6152 2005-09-28 Richard Guenther <rguenther@suse.de>
6154 PR tree-optimization/23853
6155 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
6156 host_integerp to verify misalignment value.
6158 2005-09-28 Richard Henderson <rth@redhat.com>
6160 * builtins.c (get_builtin_sync_mode): New.
6161 (expand_builtin_sync_operation): Pass in mode argument.
6162 (expand_builtin_compare_and_swap): Likewise.
6163 (expand_builtin_lock_test_and_set): Likewise.
6164 (expand_builtin_lock_release): Likewise.
6165 (expand_builtin): Update to match.
6167 2005-09-28 Nick Clifton <nickc@redhat.com>
6169 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
6170 formatting. Add check to PLUS case to ensure that the offset is
6171 within an acceptable range.
6173 * config/v850/v850.md (casesi): Disable the generation of the
6174 switch pattern as it is not being handled properly at the moment.
6176 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
6177 for when the high words are identical.
6179 2005-09-27 Richard Henderson <rth@redhat.com>
6181 * pretty-print.c (pp_base_format): Fix typo for %>.
6183 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
6184 Devang Patel <dpatel@apple.com>
6186 PR tree-optimization/23625
6187 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
6188 LABEL_EXPR, assertion check.
6190 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
6192 * optabs.c (no_conflict_move_test): Check if a result of a
6193 to-be-moved insn would be clobbered by an originally
6196 2005-09-27 Jeff Law <law@redhat.com>
6198 * passes.c (init_optimization_passes): Replace copy propagation
6199 passes immediately after DOM with phi-only copy propagation
6200 pases. Add phi-only copy propagation pass after first DOM pass.
6201 * tree-pass.h (pass_phi_only_copy_prop): Declare.
6202 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
6203 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
6204 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
6205 to init_copy_prop. Callers updated.
6206 (do_phi_only_copy_prop): New function.
6207 (pass_phi_only_copy_prop): New pass descriptor.
6209 2005-09-27 Nick Clifton <nickc@redhat.com>
6211 * libgcc2.c (__popcount_tab): Remove redundant prototype.
6213 2005-09-26 Jason Merrill <jason@redhat.com>
6216 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
6218 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
6220 2005-09-26 James E Wilson <wilson@specifix.com>
6222 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
6223 copyright. Add gcc copyright plus libgcc exception.
6224 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
6226 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
6228 2005-09-26 Jeff Law <law@redhat.com>
6230 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
6231 about when to iterate.
6233 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
6236 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
6237 for __complex__ double in -mcpu=G5 mode.
6239 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
6241 PR tree-optimization/23942
6242 * Makefile.in (SCEV_H): Depends on PARAMS_H.
6243 * tree-scalar-evolution.c: Include params.h.
6245 (follow_ssa_edge, follow_ssa_edge_in_rhs,
6246 follow_ssa_edge_in_condition_phi_branch,
6247 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
6248 Change return type to t_bool. Use a parameter to limit the size of
6249 trees that are walked before stopping
6250 (analyze_evolution_in_loop): Initialize the limit to 0.
6251 (follow_ssa_edge): Give up by returning t_dont_know if the limit
6252 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
6254 2005-09-26 Uros Bizjak <uros@kss-loka.si>
6257 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
6258 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
6260 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
6262 * combine.c (make_extraction): Check for valid use of subreg.
6264 2005-09-26 Uros Bizjak <uros@kss-loka.si>
6267 * config/i386/i386.md ("*fistdi2_1"): New pattern.
6268 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
6269 ("fist<mode>2_with_temp"): Use only register operands.
6271 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
6273 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
6274 CALL_INSN_FUNCTION_USAGE.
6276 2005-09-26 Richard Guenther <rguenther@suse.de>
6279 * gcse.c: Include hashtab.h, define ldst entry hashtable.
6280 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
6281 (ldst_entry): Use the hashtable instead of list-walking.
6282 (find_rtx_in_ldst): Likewise.
6283 (free_ldst_entry): Free the hashtable.
6284 (compute_ld_motion_mems): Create the hashtable.
6285 (trim_ld_motion_mems): Remove entry from hashtable if
6286 removing it from list.
6287 (compute_store_table): Likewise^2.
6288 (store_motion): Free hashtable in case we did not see
6291 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
6293 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
6294 and arg1 if we are passing them to fold_build2.
6296 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
6299 * config/i386/i386.c (ix86_function_regparm): Fix the test for
6302 2005-09-25 Richard Henderson <rth@redhat.com>
6304 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
6305 SYMBOL_REF_TLS_MODEL to be correct.
6307 2005-09-24 Richard Henderson <rth@redhat.com>
6309 * ipa-type-escape.c (discover_unique_type): Remove dead code at
6310 end of function. Reindent.
6312 2005-09-24 Ian Lance Taylor <ian@airs.com>
6314 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
6315 NEGATE_EXPR/BIT_NOT_EXPR case.
6317 2005-09-24 Richard Henderson <rth@redhat.com>
6319 * c-common.c (handle_mode_attribute): When not modifying in place,
6320 create subtypes for enumerations.
6321 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
6322 * gimplify.c (create_tmp_from_val): Likewise.
6324 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
6326 * config/i386/i386.md (*tls_global_dynamic_64,
6327 *tls_local_dynamic_base_64): Add missing mode to call.
6328 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
6330 2005-09-24 Jan Hubicka <jh@suse.cz>
6332 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
6333 (cgraph_clone_node): Likewise.
6334 * cgraph.h (cgraph_clone_edge): Update prototype.
6335 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
6336 duplicated prototypes; add updating argument.
6337 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
6338 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
6340 (cgraph_mark_inline_edge): Likewise.
6341 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
6342 (cgraph_flatten_node): Likewise.
6343 (cgraph_decide_recursive_inlining): Likewise.
6344 (cgraph_decide_inlining_of_small_function): Likewise.
6345 * tree-optimize.c (tree_rest_of_compilation): Likewise.
6347 2005-09-23 David Edelsohn <edelsohn@gnu.org>
6348 Pete Steinmetz <steinmtz@us.ibm.com>
6350 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
6351 (rldic.): Set type to "compare".
6353 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
6354 mfjmpr for MFCTR/MFLR.
6355 (movdf_hardfloat64): Same.
6356 (movdf_softfloat64): Same. Correct order of store and move types.
6357 (movti_string): Set type to store_ux/load_ux.
6358 (load_multiple): Set type to load_ux.
6359 (store_multiple): Set type to store_ux.
6360 (movmemsi): Set type to store_ux.
6361 (output_cbranch direct_return): Set type to jmpreg.
6362 (stmw): Set type to store_ux.
6363 (lmw): Set type to load_ux.
6364 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
6365 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
6366 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
6367 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
6368 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
6369 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
6370 (rios1-fpstore): Increase latency to 3.
6371 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
6372 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
6374 2005-09-23 David Edelsohn <edelsohn@gnu.org>
6375 Andrew Pinski <pinskia@physics.uc.edu>
6377 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
6378 operand2 constraint to "b".
6379 (sync_<fetchop_name>di_internal): Same.
6380 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
6382 (sync_old_<fetchop_name>di_internal): Same.
6383 (sync_new_<fetchop_name>si_internal): Same.
6384 (sync_new_<fetchop_name>di_internal): Same.
6386 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
6389 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
6390 case, define as macros.
6392 PR rtl-optimization/23837
6393 * optabs.c (no_conflict_move_test): Don't set must_stay for a
6394 clobber / clobber match between dest and p->first.
6396 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
6397 (no_conflict_move_test): Update comments.
6399 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6401 * doc/install.texi: Update URL for Jacks.
6402 * doc/sourcebuild.texi: Likewise.
6404 2005-09-22 David Edelsohn <edelsohn@gnu.org>
6407 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
6408 registers when choosing register preferences.
6409 (movdf_hardfloat64): Same.
6411 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
6413 * expmed.c (expand_shift): Don't use the target of the rotate as
6414 target for the first expanded shift insn.
6415 * testsuite/gcc.dg/20050922-1.c: Testcase added.
6417 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
6419 PR tree-optimization/22438
6420 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
6421 preserved iv rhs rewriting specially.
6423 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
6425 * tree-data-ref.c (analyze_array_indexes): Only estimate when
6426 estimate_only is true.
6427 * tree-flow.h (ref_contains_indirect_ref): New prototype.
6428 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
6429 tree-ssa-structalias.c
6430 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
6431 ref_contains_indirect_ref.
6432 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
6434 2005-09-21 DJ Delorie <dj@redhat.com>
6436 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
6438 (mn10300_return_in_memory): Support variable size types also.
6439 (mn10300_pass_by_reference): Likewise.
6440 (mn10300_function_value): New.
6441 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
6442 (FUNCTION_OUTGOING_VALUE): Likewise.
6443 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
6444 * doc/invoke.texi: Document it.
6446 2005-09-21 Uros Bizjak <uros@kss-loka.si>
6449 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
6450 force integer op1 into register for XFmode compares.
6452 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6455 * expmed.c (alg_code): Add alg_impossible.
6456 (alg_hash_entry): Add cost.
6457 (synth_mult): Record alg_impossible in the hash table if
6458 multiplication by a given integer is impossble within the
6459 limit. Speed up using alg_impossible.
6461 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
6463 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
6464 argument. Allow and set any offset if needs_anyoffset is passed
6466 (get_constraint_for): Add argument here too.
6468 (do_structure_copy): Pass NULL to get_constraint_for.
6469 (handle_ptr_arith): Ditto.
6470 (find_func_aliases): Ditto.
6472 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
6474 PR rtl-optimization/23898
6475 * output.h (get_attr_min_length): Declare.
6476 * final.c (get_attr_length_1): New function, broken out of:
6478 (get_attr_min_length): New function.
6479 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
6480 (duplicate_computed_gotos): Likewise.
6481 * genattr.c (insn_min_length): Generate declaration.
6482 * genattrtab.c (min_fn, min_attr_value): New functions.
6483 (make_length_attrs): Generate insn_min_length.
6485 2005-09-20 Steve Ellcey <sje@cup.hp.com>
6487 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
6489 2005-09-20 Richard Henderson <rth@redhat.com>
6491 PR tree-optimization/24059
6492 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
6495 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
6497 * c.opt (fextended-identifiers): New.
6498 * c-opts.c (c_common_handle_option): Handle
6499 -fextended-identifiers.
6500 * doc/cpp.texi: Update documentation of extended identifiers.
6501 * doc/cppopts.texi (-fextended-identifiers): Document.
6503 2005-09-20 Jakub Jelinek <jakub@redhat.com>
6505 PR tree-optimization/23929
6506 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
6509 PR tree-optimization/23818
6510 * tree-stdarg.c (execute_optimize_stdarg): Call
6511 calculate_dominance_info.
6513 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
6515 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
6516 (analyze_siv_subscript_cst_affine): Add weak SIV test.
6517 (compute_overlap_steps_for_affine_1_2): Use
6518 get_number_of_iters_for_loop.
6519 (analyze_subscript_affine_affine): Check whether difference is
6521 Use get_number_of_iters_for_loop.
6522 Check whether overlap occurs outside of bounds.
6523 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
6525 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
6527 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
6528 base register if possible.
6530 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
6532 PR tree-optimization/18463
6533 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
6534 converting it directly is not possible.
6535 (chrec_convert_aggressive): New function.
6536 * tree-chrec.h (chrec_convert_aggressive): Declare.
6537 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
6538 Fold chrec conversions aggressively if asked to.
6539 (instantiate_parameters): Modified because of changes in
6540 instantiate_parameters_1.
6542 2005-09-19 Richard Henderson <rth@redhat.com>
6544 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
6545 (reduc_splus_v2df): New.
6547 2005-09-19 Richard Sandiford <richard@codesourcery.com>
6549 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
6550 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
6552 2005-09-19 Richard Henderson <rth@redhat.com>
6554 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
6557 2005-09-19 Richard Henderson <rth@redhat.com>
6559 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
6560 (ia64_expand_dot_prod_v8qi): New.
6561 * config/ia64/ia64-protos.h: Update.
6562 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
6563 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
6564 sdot_prodv8qi, sdot_prodv4hi): New.
6565 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
6567 2005-09-19 Richard Henderson <rth@redhat.com>
6570 * real.c (exact_real_truncate): Return false if the format cannot
6571 represent the number as a normal.
6573 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6574 for a memory source.
6576 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
6578 * tree-ssa-operands.c (swap_tree_operands): Export.
6579 * tree.h (swap_tree_operands): Declare.
6580 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6581 Call swap_tree_operands.
6583 2005-09-19 Richard Henderson <rth@redhat.com>
6585 * tree-flow.h (merge_alias_info): Declare.
6586 * tree-ssa-copy.c (merge_alias_info): Export.
6587 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6588 (vect_create_data_ref_ptr): Use create_iv directly.
6589 (vectorizable_load): Use correct types for integer constants.
6590 (vect_generate_tmps_on_preheader): Likewise.
6591 (vect_gen_niters_for_prolog_loop): Likewise.
6593 2005-09-19 Steven Bosscher <stevenb@suse.de>
6595 PR rtl-optimization/23943
6596 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6598 2005-09-18 Jan Hubicka <jh@suse.cz>
6600 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6602 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
6604 * varasm.c (output_constant): Do not abort on conversions to union
6605 types between different sizes.
6607 2005-09-18 Richard Guenther <rguenther@suse.de>
6610 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6613 2005-09-18 Paul Brook <paul@codesourcery.com>
6615 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6617 2005-09-17 Richard Henderson <rth@redhat.com>
6619 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6620 * tree-ssa-loop.c (pass_vect_dce): Remove.
6621 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6624 2005-09-17 Richard Henderson <rth@redhat.com>
6626 * tree-pass.h (pass_vect_dce): Declare.
6627 * passes.c (init_optimization_passes): Add it.
6628 * tree-flow.h (tree_ssa_dce): Declare.
6629 * tree-ssa-dce.c (tree_ssa_dce): Export.
6630 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6631 (gate_tree_vectorize): ... here.
6632 (pass_vect_dce): New.
6634 2005-09-17 Jan Hubicka <jh@suse.cz>
6636 * except.c (struct eh_status): Turn region_array into vec.
6637 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6638 convert_from_eh_region_ranges, find_exception_handler_labels,
6639 current_function_has_exception_handlers, assign_filter_values,
6640 build_post_landing_pads, dw2_build_landing_pads,
6641 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6642 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6643 foreach_reachable_handler, can_throw_internal_1,
6644 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6646 (duplicate_eh_region_1): Update region_array.
6647 (duplicate_eh_regions): Resize region_array and avoid recomputing.
6649 2005-09-17 David Edelsohn <edelsohn@gnu.org>
6652 * expmed.c (expand_mult): Substitute simple register for op0 when
6655 2005-09-17 Richard Henderson <rth@redhat.com>
6657 * expr.c (emit_move_via_integer): Add force argument, pass it on
6658 to emit_move_change_mode. Update callers.
6659 (emit_move_complex): Pass true to new force argument.
6660 * function.c (expand_function_end): Move expand_eh_return call
6661 earlier. Merge sub-word complex values into a pseudo before
6662 copying to the return hard register.
6664 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
6666 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6667 between different sizes.
6669 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
6673 * passes.c (init_optimization_passes): Register dump files for
6676 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
6678 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6679 * config/s390/s390.c (s390_overlap_p): New function.
6680 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6681 peephole2, "*xc" peephole2): Added overlap check to the peephole2
6684 2005-09-16 Richard Guenther <rguenther@suse.de>
6686 * ipa-pure-const.c (static_execute): Free auxiliar information.
6687 * ipa-type-escape.c (discover_unique_type): Free temporary key.
6688 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6690 2005-09-15 DJ Delorie <dj@redhat.com>
6692 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6694 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
6696 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6698 (swap_commutative_operands_with_target): New.
6700 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
6702 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6705 (estimate_iters_using_array): New function.
6706 * tree-data-ref.h (estimate_iters_using_array): Prototype
6707 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6708 Use estimate_iters_using_array instead of analyze_array.
6710 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
6712 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6715 2005-09-15 Michael Matz <matz@suse.de>
6717 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6719 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
6721 PR tree-optimization/23835
6722 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6723 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6725 2005-09-14 Richard Henderson <rth@redhat.com>
6727 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6728 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6730 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
6732 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6733 in the ARRAY_TYPE case.
6735 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
6737 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6739 2005-09-14 Uros Bizjak <uros@kss-loka.si>
6742 * tree-vect-transform.c (vectorizable_operation): Return false for
6743 scalar shift operations and for vector shift operations with
6744 non-invariant shift arguments. Use scalar tree operand op1 as
6745 a shift operand when vector shift insn pattern uses scalar shift
6747 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6749 2005-09-14 Olivier Hainque <hainque@adacore.com>
6751 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6752 value if it has side-effects.
6754 2005-09-14 David Edelsohn <edelsohn@gnu.org>
6757 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6759 2005-09-14 Alan Modra <amodra@bigpond.net.au>
6761 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6762 passed as NAME as if it were label at start of function code.
6764 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
6766 * config/sh/sh.md (*movv4sf_i): Add general register cases to
6769 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6771 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6772 as early clobber. Rewrite so the PIC register is not implicitly used.
6774 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6776 * tree.c (annotate_with_file_line): Compare line numbers before
6779 2005-09-13 Uros Bizjak <uros@kss-loka.si>
6782 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6783 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6785 2005-09-13 Ian Lance Taylor <ian@airs.com>
6787 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6788 than a HOST_WIDEST_INT to gen_doloop_begin.
6790 2005-09-13 Diego Novillo <dnovillo@redhat.com>
6792 * tree-dfa.c (dump_variable): Guard against NULL annotations.
6794 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
6796 PR tree-optimize/23817
6797 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6799 2005-09-13 Alan Modra <amodra@bigpond.net.au>
6802 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6803 word before changing the stack pointer. Use gen_frame_mem for MEMs.
6804 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6805 (restore_stack_nonlocal): Likewise.
6806 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6808 2005-09-12 Ian Lance Taylor <ian@airs.com>
6811 * c.opt (ffriend-injection): New C++ option.
6812 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6813 (C++ Dialect Options): Document -ffriend-injection.
6815 2005-09-12 Josh Conner <jconner@apple.com>
6818 * ipa-reference.c (static_execute): Don't mark variables in
6819 named sections TREE_READONLY.
6821 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6823 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6826 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6828 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6829 V_MUST_DEF instead of just the first_use_p.
6830 Don't mark the virtual variables for renaming on the statement which
6832 (pass_dse): Remove TODO_update_ssa.
6834 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
6837 * stor-layout.c (compute_record_mode): For records with a single
6838 field, actually check the field's mode size against the type size.
6840 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6841 registers for TARGET_SHMEDIA.
6842 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6843 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
6844 of GENERAL_REGS and FP_REGS.
6846 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
6848 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6850 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6852 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6853 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6854 are omitted. Exclude stack_tie insn too.
6856 2005-09-11 David Edelsohn <edelsohn@gnu.org>
6858 PR rtl-optimization/23098
6859 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6861 * config/rs6000/rs6000.md (movdf splitter): Use
6862 const_double_operand predicate for TARGET_POWERPC64.
6863 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6864 SYMBOL_REF method to ABI_V4.
6866 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6867 replace_equiv_address.
6868 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6869 rs6000_sr_alias_set and MEM_NOTRAP.
6870 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6872 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
6874 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6875 handle CALL_EXPR again.
6877 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
6879 * arm/predicates.md (alignable_memory_operand): Delete.
6881 2005-09-10 Richard Henderson <rth@redhat.com>
6884 * dbxout.c (dbxout_expand_expr): New.
6885 (dbxout_symbol): Use it.
6887 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
6889 * arm.c (arm_gen_rotated_half_load): Delete.
6890 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6891 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6892 (thumb_set_return_address): Likewise.
6893 (thumb_load_double_from_address): Use adjust_address.
6894 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6895 (extendhsisi2_mem, movhi_bytes): Use change_address.
6896 (movhi): Use widen_memory_access.
6897 (reload_out_df): Use replace_equiv_address.
6898 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6900 2005-09-09 Richard Henderson <rth@redhat.com>
6903 * dbxout.c: Include expr.h.
6904 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6905 (dbxout_symbol): Handle DECL_VALUE_EXPR.
6906 * Makefile.in (dbxout.o): Add EXPR_H.
6908 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
6910 PR tree-optimization/23509
6911 * tree-cfg.c (replace_uses_by): Use replace_exp.
6912 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6913 pointers have name_mem_tag or type_mem_tag set.
6915 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6917 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6918 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6919 of wrongly accessing operands.
6921 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6923 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6924 * tree-chrec.c: Include tree-scalar-evolution.h.
6925 (chrec_convert): Instantiate the base and step before calling
6926 scev_probably_wraps_p that would fail on parametric evolutions.
6927 Collect all the fails into a single section failed_to_convert,
6928 print a diagnostic, and return chrec_dont_know instead of calling
6930 * tree-scalar-evolution.c (loop_closed_phi_def): New.
6931 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6933 (scev_const_prop): Don't replace the definition of a loop closed ssa
6934 phi node by itself, or by another loop closed ssa phi node.
6935 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6936 that base and step are defined.
6938 2005-09-09 Richard Guenther <rguenther@suse.de>
6941 * fold-const.c (fold_ternary): Check truth_value_p before
6942 calling invert_truthvalue.
6944 2005-09-09 Nick Clifton <nickc@redhat.com>
6946 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6947 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6948 dimension of these arrays.
6949 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6951 * longlong.h: Only provide a prototype for the __clz_tab[] array
6952 if this header has not been included from libgcc2.h.
6953 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6955 Provide prototypes for exported functions.
6956 Use the __clz_tab[] and __popcount_tab[] arrays provided by
6959 2005-09-08 Josh Conner <jconner@apple.com>
6963 * expr.c (expand_expr_addr_expr_1): Don't invoke
6964 expand_simple_binop for EXPAND_INITIALIZER.
6966 2005-09-08 Richard Henderson <rth@redhat.com>
6969 * toplev.c (wrapup_global_declaration_1): Split out ...
6970 (wrapup_global_declaration_2): ... from ...
6971 (wrapup_global_declarations): ... here. Return bool.
6972 (check_global_declaration_1): Split out ...
6973 (check_global_declarations): from here.
6974 (emit_debug_global_declarations): New.
6975 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6976 check_global_declaration_1, emit_debug_global_declarations): Declare.
6977 * c-decl.c (c_write_global_declarations_1): Don't create a vector
6978 of decls. Call wrapup_global_declaration_1,
6979 wrapup_global_declaration_2, check_global_declaration_1 directly.
6980 (c_write_global_declarations_2): New.
6982 (c_write_global_declarations): Call c_write_global_declarations_2.
6983 * langhooks.c (write_global_declarations): Call
6984 emit_debug_global_declarations.
6986 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6987 remove decls that have DECL_RTL_SET_P.
6988 * passes.c (rest_of_decl_compilation): Invoke
6989 cgraph_varpool_finalize_decl for all but functions.
6991 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
6993 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6994 the result of a conversion if the new min and max cannot be compared.
6996 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
6998 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6999 (override_options): Setting s390_sr_alias_set removed.
7000 (save_fpr, save_gprs): Set alias set to vararg or frame.
7001 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
7002 s390_sr_alias_set with get_frame_alias_set ().
7003 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
7004 get_varargs_alias_set ().
7006 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
7010 * c-parser.c (c_parser_objc_method_definition): If the next
7011 token is not "{", error out and don't start the function.
7013 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
7015 * tree-vrp.c (extract_range_from_expr): Move the check for non
7016 nullness after the check for gimple invariant.
7018 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7020 * tree.c (host_integerp, tree_low_cst): Correct function comment.
7022 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7025 * config/m32r.md (movmemsi_internal): Canonicalize order of
7026 operands in PLUS component of template.
7028 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
7030 * reload1.c (fixup_eh_region_note): Remove assertion.
7031 (fixup_abnormal_edges): Reverted removal of call to
7032 find_many_sub_basic_blocks made on 2005-08-31.
7034 2005-09-07 Richard Henderson <rth@redhat.com>
7036 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
7037 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
7038 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
7039 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
7040 rearrange for better packing.
7041 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
7042 (lookup_cfa_1): Remove inline marker.
7043 (cfa_equal_p): Split out of ...
7044 (def_cfa_1): ... here. Use INVALID_REGNUM.
7045 (build_cfa_loc): Handle !cfa->indirect.
7046 (frame_pointer_cfa_offset): New.
7047 (dbx_reg_number): Assert register elimination performed; do
7048 leaf register remapping.
7049 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
7050 (eliminate_reg_to_offset): New.
7051 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
7052 for verifiably local stack frame addresses; re-base to CFA.
7053 (mem_loc_descriptor): Remove can_use_fbreg argument.
7054 (concat_loc_descriptor, loc_descriptor): Likewise.
7055 (containing_function_has_frame_base): Remove.
7056 (rtl_for_decl_location): Don't do register elimination or
7057 leaf register remapping here.
7058 (secname_for_decl): Split out from ..
7059 (add_location_or_const_value_attribute): ... here.
7060 (convert_cfa_to_loc_list): New.
7061 (compute_frame_pointer_to_cfa_displacement): New.
7062 (gen_subprogram_die): Use them.
7063 * tree.h (frame_base_decl): Remove.
7064 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
7065 (prologue_stack_adjust): Remove.
7066 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
7067 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
7068 (set_frame_base_location): Remove.
7069 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
7070 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
7071 (vt_add_function_parameters): Don't eliminate_regs.
7072 (vt_initialize): Don't create frame_base_decl.
7074 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7076 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
7077 version of GNU binutils for 4.x and later.
7079 2005-09-06 Mark Mitchell <mark@codesourcery.com>
7081 * ggc-page.c (ggc_push_context): Remove.
7082 (ggc_pop_context): Likewise.
7083 * ggc.h (ggc_push_context): Remove.
7084 (ggc_pop_context): Likewise.
7086 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
7089 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
7090 returning from an interrupt handler.
7092 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
7095 * config/arc/arc.c (output_shift): Add check for loop count when
7098 2005-09-06 Steven Bosscher <stevenb@suse.de>
7100 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
7102 (abs_replacement): Likewise.
7103 (pass_phiopt): Remove TODO_update_ssa.
7105 2005-09-06 Jakub Jelinek <jakub@redhat.com>
7108 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
7109 if "return with no value, in function returning non-void" warning
7111 * tree-cfg.c (execute_warn_function_return): Don't look at
7112 RETURN_EXPRs with TREE_NO_WARNING set.
7115 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
7116 for internal functions doesn't use registers used by global registers
7117 variables. Use fewer register parameters if there are global register
7120 2005-09-06 Olivier Hainque <hainque@adacore.com>
7121 Eric Botcazou <ebotcazou@adacore.com>
7124 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
7125 when we would be extracting outside its bit span (bitpos+bitsize
7126 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
7127 Ada unchecked conversions.
7129 2005-09-06 Steven Bosscher <stevenb@suse.de>
7131 * tree-ssa-pre.c (try_look_through_load): New function.
7132 (compute_avail): Use it to try to look through loads for some
7133 more useful expressions.
7135 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
7137 * simplify-rtx.c (simplify_binary_operation_1): Correct the
7138 condition for detecting cases like (a&a) and (a^a).
7140 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
7142 * common.opt: Add option ftree-vect-loop-version.
7143 * params.def: Add --param vect-max-version-checks.
7144 * doc/invoke.texi: Document ftree-vect-loop-version and
7145 --param vect-max-version-checks.
7146 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
7147 may_misalign_stmts and defines for accessors.
7148 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
7149 LOOP_VINFO_MAY_MISALIGN_STMTS.
7150 (destroy_loop_vec_info): VEC_free for
7151 LOOP_VINFO_MAY_MISALIGN_STMTS.
7152 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7153 Update documentation.
7154 (vect_update_misalignment_for_peel): New.
7155 (vect_enhance_data_refs_alignment): Update to choose loop
7156 peeling or loop versioning if appropriate for the (potentially)
7157 unaligned data references in the loop.
7158 (vect_analyze_data_refs_alignment): Remove call to
7159 vect_enhance_data_refs_alignment so the checks can be done
7161 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
7162 and move up call to vect_analyze_data_refs_alignment.
7163 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
7164 (vect_transform_loop): Add call to loop_version.
7166 2005-09-06 Jakub Jelinek <jakub@redhat.com>
7168 PR rtl-optimization/23098
7169 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
7170 * simplify-rtx.c (constant_pool_reference_p): New function.
7171 * rtl.h (constant_pool_reference_p): New prototype.
7172 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
7173 constant_pool_reference_p in condition and
7174 avoid_constant_pool_reference in preparation statements.
7176 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
7178 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
7179 STRICT_LOW_PART SETs.
7181 2005-09-06 Alan Modra <amodra@bigpond.net.au>
7184 * except.c (sjlj_emit_function_enter): Find the function begin
7185 note even when it's not in first basic block.
7187 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
7189 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
7190 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
7191 * aclocal.m4: Regenerate.
7193 2005-09-05 DJ Delorie <dj@redhat.com>
7195 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
7198 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
7200 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
7201 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
7202 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
7203 Follow spelling conventions.
7204 * doc/invoke.texi: Follow spelling conventions.
7206 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
7208 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
7209 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
7210 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
7212 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
7215 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
7216 (output_stack_adjust): Use gen_tmp_stack_mem.
7217 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
7218 (sh_set_return_address, sh_allocate_initial_value): Likewise.
7219 (sh_get_pr_initial_val): Likewise.
7220 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
7221 (sh_initialize_trampoline): Likewise. Also use adjust_address.
7222 * sh.md (divsi_inv_m0): Use gen_const_mem.
7223 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
7224 (movdf_i4+1): Use gen_tmp_stack_mem.
7225 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
7226 (fpu_switch+2): Likewise.
7227 (movv4sf_i, movv16sf_i): Use adjust_address.
7228 (symGOT_load): Set MEM_NOTRAP_P bit.
7230 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7233 * pa.c (emit_move_sequence): Fix typo in last change.
7235 2005-09-03 Jakub Jelinek <jakub@redhat.com>
7237 PR rtl-optimization/23454
7238 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
7241 2005-09-03 Richard Henderson <rth@redhat.com>
7242 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7245 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
7248 2005-09-02 Nicolas Pitre <nico@cam.org>
7250 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
7251 to bit_count to 32 bits.
7253 2005-08-31 Mark Mitchell <mark@codesourcery.com>
7256 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
7257 generating synthetic loads from volatile lvalues.
7259 005-09-02 Nick Clifton <nickc@redhat.com>
7261 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
7262 __ctzhi2, __clzhi2): New functions.
7264 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
7267 * tree-nested.c (struct var_map_elt): Mark with GTY.
7268 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
7270 (lookup_field_for_decl): Allocate new element in GC memory.
7271 (lookup_tramp_for_decl): Likewise.
7272 (convert_nl_goto_reference): Likewise
7273 (create_nesting_tree): Allocate info in GC memory. Likewise for
7275 (free_nesting_tree): Free with ggc_free instead of free.
7276 (root): New static variable.
7277 (lower_nested_functions): Remove root as local variable. And zero out
7278 root at the end of the function.
7280 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
7282 PR rtl-optimization/20365
7283 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
7284 to short. New member ix.
7285 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
7286 (simplify_plus_minus): Initialize ix members before calling qsort.
7288 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
7290 PR tree-optimization/23626
7291 * tree-cfg.c (replace_uses_by): Clean up eh info.
7293 2005-09-01 DJ Delorie <dj@redhat.com>
7295 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
7298 2005-09-01 David Edelsohn <edelsohn@gnu.org>
7300 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
7301 (rs6000_split_multireg_move): Use replace_equiv_address instead of
7304 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
7306 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
7307 do not issue warning for a variable definition following
7310 2005-09-01 Richard Henderson <rth@redhat.com>
7313 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
7314 conversion to CONST_VECTOR.
7316 2005-09-01 Richard Henderson <rth@redhat.com>
7319 * reload1.c (reload_as_needed): Check !CALL_P before calling
7320 fixup_eh_region_note.
7321 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
7323 2005-09-01 DJ Delorie <dj@redhat.com>
7325 * varasm.c (output_constant): Let the target resolve
7326 conversions of addresses to non-default pointer sizes.
7328 2005-09-01 Nicolas Pitre <nico@cam.org>
7330 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
7331 to alow matching ARM pre-indexed addressing mode.
7332 (arm_override_options): Remove now irrelevant comment.
7334 2005-09-01 Phil Edwards <phil@codesourcery.com>
7336 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
7337 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
7338 * config/i386/vxworks.h: Likewise.
7339 * config/i386/t-vxworksae: New file, for VxWorks AE.
7340 * config/i386/vxworksae.h: Likewise.
7342 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
7344 PR tree-optimization/23410
7345 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
7346 sequence is not wrapping during the first step.
7348 2005-09-01 Jakub Jelinek <jakub@redhat.com>
7351 * dwarf2out.c (base_type_die): Compare char_type_node with
7352 TYPE_MAIN_VARIANT (type), not type.
7354 2005-09-01 Richard Guenther <rguenther@suse.de>
7356 PR tree-optimization/15366
7357 * common.opt: Add -finline-functions-called-once.
7358 Put -fearly-inlining in alphabetically ordered place.
7359 * doc/invoke.texi: Document new option.
7360 * ipa-inline.c (cgraph_decide_inlining): Honour
7361 flag_inline_functions_called_once.
7363 2005-09-01 Jakub Jelinek <jakub@redhat.com>
7365 PR rtl-optimization/23478
7366 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
7367 (alloc_qty): Initialize it.
7368 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
7369 (combine_regs): Combine also n_throwing_calls_crossed fields.
7370 (find_free_reg): Don't attempt to caller-save pseudos crossing
7371 calls that might throw.
7372 * global.c (struct allocno): Add throwing_calls_crossed field.
7373 (global_alloc): Revert 2005-08-22 change. Initialize
7374 throwing_calls_crossed.
7375 (find_reg): Don't attempt to caller-save pseudos crossing calls that
7378 2005-09-01 Alan Modra <amodra@bigpond.net.au>
7381 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
7382 (mask64_operand): Reinstate code prior to 2005-06-11 change.
7383 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
7384 (and64_2_operand): Tweak to use predicate.
7385 (and_operand): Adjust for mask_operand changes.
7386 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
7387 (print_operand): Likewise.
7388 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
7389 (mask64_1or2_operand): Delete.
7390 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
7391 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
7392 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
7393 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
7394 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
7395 (rotldi3_internal4): Likewise.
7396 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
7397 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
7398 (ashldi3_internal7): Likewise.
7399 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
7400 (ashldi3_internal, ashldi3_internal9 split): Likewise.
7401 (anddi3 split): Don't match mask64_operand.
7402 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
7403 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
7404 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
7405 't' splitter predicate.
7406 (movdi_internal64 + 2): Revert 2005-06-11 change.
7408 2005-08-31 DJ Delorie <dj@redhat.com>
7410 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
7411 (m32c_asm_integer): Add support for 32 bit pointers.
7413 2005-08-31 Richard Henderson <rth@redhat.com>
7415 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
7416 component-like references for setting MEM_NOTRAP_P.
7418 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
7419 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
7421 2005-08-31 Richard Henderson <rth@redhat.com>
7423 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
7424 into a pseudo before applying gen_lowpart.
7426 2005-08-31 Geoffrey Keating <geoffk@apple.com>
7428 * doc/install.texi (Specific): Update cctools version required
7429 for full functionality.
7430 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
7431 linkers as -macosx_version_min.
7433 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
7436 * sh.c (print_operand, %R and %S): Add handling of floating point
7437 registers, memory, constants and invalid operands.
7439 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
7441 * ipa-pure-const.c: Change dump name.
7443 2005-08-31 Uros Bizjak <uros@kss-loka.si>
7446 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
7447 to "reg_or_0_operand".
7448 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
7450 2005-08-31 Dale Johannesen <dalej@apple.com>
7452 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
7453 loops that count down.
7455 2005-08-31 Richard Henderson <rth@redhat.com>
7458 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
7459 (fixup_eh_region_note): New.
7460 (reload_as_needed): Call it.
7461 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
7462 don't call find_many_sub_basic_blocks; call verify_flow_info.
7463 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
7464 (keep_stack_depressed): Likewise.
7465 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
7467 2005-08-31 Richard Henderson <rth@redhat.com>
7469 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
7472 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
7474 * expr.c (expand_expr_real_1): Compare size of address
7475 mode to target's address mode size in deciding expansion of
7476 the constant address.
7478 2005-08-31 Richard Guenther <rguenther@suse.de>
7481 * expr.c (all_zeros_p): New function.
7482 (expand_expr_real_1): Handle the case of an all-zero
7483 non-addressable constructor separately.
7485 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
7487 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
7488 arguments, adjust all callers.
7489 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
7491 2005-08-30 Richard Henderson <rth@redhat.com>
7494 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
7495 whenever the mode sizes match.
7497 2005-08-31 Alan Modra <amodra@bigpond.net.au>
7499 * calls.c (load_register_parameters): Fix comment typo.
7500 * expr.c (emit_push_insn): Comment formatting.
7502 2005-08-30 Ian Lance Taylor <ian@airs.com>
7504 * config/i386/x-cygwin (host-cygwin): Change dependency from
7505 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
7507 2005-08-29 Geoffrey Keating <geoffk@apple.com>
7509 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
7512 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7515 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
7516 call to ggc_collect.
7518 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
7521 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
7522 beginning. Remove $(INCLUDES) from all the rules, if following
7523 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
7525 2005-08-29 Jakub Jelinek <jakub@redhat.com>
7528 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
7529 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
7530 not constant, but maxlen is, don't set len to maxlen, rather
7531 set maxlen to len if len is a constant.
7533 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
7535 PR tree-optimization/23475
7536 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
7539 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
7541 Fix PR middle-end/22455
7543 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
7544 Checksum only the parts of the tree that exist for the tree code.
7546 2005-08-28 Dale Johannesen <dalej@apple.com>
7548 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
7550 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
7552 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
7554 2005-08-28 Richard Henderson <rth@redhat.com>
7556 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
7557 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
7560 2005-08-28 Jakub Jelinek <jakub@redhat.com>
7563 * builtins.c (get_memory_rtx): Don't strip nops
7564 in between COMPONENT_REFs.
7566 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
7569 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
7571 (gimplify_modify_expr): Check for zero sized types and gimplify the
7572 rhs and lhs as statements.
7574 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
7577 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7578 state for return address column of signal frames.
7580 2005-08-27 David Edelsohn <edelsohn@gnu.org>
7583 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7584 bytes >= 2 not bytes == 2.
7585 (expand_block_move): Same.
7587 2005-08-27 Richard Guenther <rguenther@suse.de>
7590 * config/i386/sse.md (sse2_movsd): Add missing closing
7593 2005-08-27 Paul Brook <paul@codesourcery.com>
7595 * genrecog.c (enum decision_type): Add DT_num_insns.
7596 (struct decision_test): Add u.num_insns.
7597 (add_to_sequence): Add DT_num_insns test.
7598 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7599 (write_cond, debug_decision_2): Ditto.
7600 (change_state): Assume peep2_next_insn never fails.
7601 Remove "afterward" argument.
7602 (write afterward, write_tree): Update to match.
7603 * recog.c (peep2_current_count): New variable.
7604 (peep2_next_insn): Check it.
7605 (peephole2_optimize): Set peep2_current_count.
7606 * recog.h (peep2_current_count): Declare.
7608 2005-08-26 Josh Conner <jconner@apple.com>
7611 * ipa-pure-const.c (check_tree): Check for volatile-ness
7612 when considering a dereference.
7614 2005-08-27 Jakub Jelinek <jakub@redhat.com>
7616 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7618 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7620 PR rtl-optimization/23561
7621 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
7622 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7623 at most LEN bytes long memory fits into the field.
7624 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7625 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7626 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7628 2005-08-26 Richard Henderson <rth@redhat.com>
7631 * loop.c (biased_biv_may_wrap_p): New.
7632 (maybe_eliminate_biv_1): Use it to suppress non-equality
7633 comparison transformations. Delete disabled code.
7635 2005-08-26 Ian Lance Taylor <ian@airs.com>
7637 * combine.c (make_extraction): Avoid reference outside object.
7639 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
7641 * stor-layout.c (finalize_type_size): Restore behaviour for
7642 non-aggregate types to the status quo ante of the patch for
7643 pr 23467. Document why it matters.
7645 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7648 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7649 array by one element, initialize the BT_LAST element with NULL.
7651 2005-08-26 David Edelsohn <edelsohn@gnu.org>
7653 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7654 optimizing for size.
7656 (compare_plus_eqsi): Same.
7657 (plus_eqsi_compare): Same.
7658 (neg_eq0<mode>): Same.
7659 (neg_eq<mode>): Same.
7661 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7664 2005-08-26 Nick Clifton <nickc@redhat.com>
7666 * config/v850/v850.c (ep_memory_operand): Return FALSE if
7667 TARGET_EP is not defined.
7668 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7669 TARGET_EP is enabled.
7670 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7671 * config/v850/v850.md (save_all_interrupt): Only use the EP
7672 register if TARGET_EP is defined.
7673 (restore_all_interrupt): Likewise.
7674 * config/v850/lib1funcs.asm: Update functions so that the EP
7675 register is only used if __EP__ is defined.
7677 2005-08-26 David Ung <davidu@mips.com>
7679 * config/mips/mips.c (mips_expand_prologue): Handle case when
7680 generating for MIPS16 and the outgoing argument area is more than
7681 SMALL_OPERAND. Use the frame pointer as temporary to generate the
7684 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
7686 * config/crx/crx.md: Make doloop_end pattern usage controllable
7687 via mloop-nesting=<max-nesting> command line switch. Make sure
7688 the combiner cannot use doloop_end_<mode> in an illegal way.
7689 * config/crx/crx.c: Use regs up to r6 for argument passing.
7690 Refine crx_address_cost (non cst4 displacements are expensive).
7691 * config/crx/crx.opt: Add switch for mloop-nesting=.
7693 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
7695 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7696 (UNSPEC_MVST): New constant.
7698 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
7700 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7701 Reject operands containing eliminable registers.
7702 * testsuite/gcc.dg/20050825-1.c: New testcase.
7704 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7705 Jan Hubicka <jh@suse.cz>
7707 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7709 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7711 PR tree-optimization/23546
7712 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7715 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
7717 * params.def (PARAM_MIN_SPEC_PROB): New.
7718 * sched-rgn.c (MIN_PROBABILITY): Delete.
7719 (compute_trg_info): Convert to PARAM_VALUE.
7720 * doc/invoke.texi (param): Document min-spec-prob.
7722 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
7724 * config/darwin.h: define __PIC__
7725 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7726 TARGET_OS_CPP_BUILTINS macro.
7728 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7730 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7733 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7735 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7737 * cfghooks.c (duplicate_block): Added position where to place
7738 new block as argument.
7739 * cfghooks.h (duplicate_block): Declaration changed.
7740 * cfglayout.c (copy_bbs): Add argument after. Pass it to
7742 * cfglayout.h (copy_bbs): Declaration changed.
7743 * cfgloop.h (loop_version): Declaration changed.
7744 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7745 position to copy_bbs.
7746 (loop_version): Pass position to duplicate_loop_to_header_edge.
7747 Add place_after argument and position new blocks according to
7749 * modulo-sched.c (sms_schedule): Pass place_after argument
7751 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7752 * tree-cfg.c (split_edge_bb_loc): New function.
7753 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7754 to determine position of new blocks.
7755 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7757 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7758 argument to duplicate_block.
7759 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7760 Pass position to copy_bbs.
7762 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7764 * fold-const.c (ptr_difference_const): Use
7765 cst_and_fits_in_hwi instead of host_integerp.
7767 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7769 * config/darwin.c (gen_pic_offset): New.
7770 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
7773 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
7775 PR tree-optimization/23486
7776 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7778 2005-08-23 Phil Edwards <phil@codesourcery.com>
7780 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
7781 remove use_collect2.
7782 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
7784 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
7785 configuration files to override the default value.
7787 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
7788 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7789 * config/vx-common.h: New file, split out from...
7790 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
7791 * config/vxworksae.h: New file, for VxWorks AE.
7792 * config/vxworks.opt: New file.
7793 * config/vxlib.c: Update for VxWorks 6.
7795 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
7796 other MULTILIB_* variables appropriately.
7797 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
7798 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
7799 * config/rs6000/vxworks.h: Update for VxWorks 6.
7800 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
7802 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
7805 * config/darwin.c (machopic_select_section): Remove the hack to
7806 mark "::operator new" and "::operator delete" for coalescing
7807 even though they are not weak.
7809 2005-08-24 Alan Modra <amodra@bigpond.net.au>
7811 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7812 * configure: Regenerate.
7814 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7817 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7819 * convert.c (convert_to_integer, convert_to_vector): Likewise.
7820 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7823 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7825 * config/rs6000/predicates.md (equality_operator): New.
7826 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7827 comparison with a large constant.
7829 2005-08-23 Mark Mitchell <mark@codesourcery.com>
7831 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7833 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
7835 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7836 registers is even, and we have a hardware double precision fp,
7838 (sh_gimplify_va_arg_expr): For floating point arguments, consider
7839 size of current argument when checking if argument was passed in
7842 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7845 * stor-layout.c (finalize_type_size): Dont override
7846 existing alignment with a smaller alignment from the mode.
7848 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7850 * lambda-code.c (lambda_vector_lexico_pos): Moved...
7851 * lambda.h (lambda_vector_lexico_pos): ... here.
7852 * tree-data-ref.c (build_classic_dist_vector): Return false when
7853 the distance vector is lexicographically negative.
7855 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7857 PR tree-optimization/23511
7858 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7859 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7861 2005-08-23 Jakub Jelinek <jakub@redhat.com>
7863 PR tree-optimization/22043
7864 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7865 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7866 If ALLOW_FLEXARR, handle types ending with flexible array member.
7867 Pass false as second argument to recursive count_type_elements calls.
7868 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7869 argument to count_type_elements call.
7870 * tree-sra.c (decide_block_copy): Likewise.
7871 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7872 for a constant-sized object, set cleared as well. Pass true as
7873 second argument to count_type_elements call.
7875 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7878 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7879 from legitimate_small_data_p, and make global. Update use.
7880 Remove forward declaration.
7881 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7883 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7885 2005-08-23 David Edelsohn <edelsohn@gnu.org>
7887 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7888 of scratch intermediates.
7889 (eq<mode>_compare): Same.
7890 (neg_eq0<mode>): New.
7891 (neg_eq<mode>): Convert to define_insn_and_split.
7893 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7896 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7897 stdarg functions, set/clear the fp marker even when no variable
7899 * config/rs6000/sysv4.opt (mprototype): Describe.
7901 2005-08-22 Jakub Jelinek <jakub@redhat.com>
7903 PR rtl-optimization/23478
7904 * regs.h (reg_info): Add throw_calls_crossed.
7905 (REG_N_THROWING_CALLS_CROSSED): Define.
7906 * flow.c (allocate_reg_life_data): Initialize
7907 REG_N_THROWING_CALLS_CROSSED.
7908 (propagate_one_insn, attempt_auto_inc): Update
7909 REG_N_THROWING_CALLS_CROSSED.
7910 * global.c (global_alloc): Don't allocate pseudos across
7911 calls that may throw.
7913 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
7916 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7917 value is inbetween the range if we did not find an exact match.
7919 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
7921 * doc/invoke.texi (Option Summary): Add ms1 options.
7922 * doc/extend.texi: Document interrupt handler attribute for ms1.
7923 * doc/md.texi: Document ms1 constraints.
7924 * config.gcc: Add ms1-*-elf.
7925 * config/ms1/ms1.h: New.
7926 * config/ms1/ms1.c: New.
7927 * config/ms1/ms1.md: New.
7928 * config/ms1/ms1-protos.h: New.
7929 * config/ms1/ABI.txt: New.
7930 * config/ms1/crti.asm: New.
7931 * config/ms1/crtn.asm: New.
7932 * config/ms1/lib2extra-funcs.c: New.
7933 * config/ms1/t-ms1: New.
7934 * config/ms1/ms1.opt: New.
7936 2005-08-22 Ira Rosen <irar@il.ibm.com>
7938 * config/rs6000/altivec.md (xorv4sf3): New.
7939 (negv4sf2, neg<mode>2): Likewise.
7941 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
7944 * config/ia64/ia64.md (divsi3): Check divide by zero.
7945 (udivsi3): Likewise.
7947 (udivdi3): Likewise.
7949 2005-08-21 Jakub Jelinek <jakub@redhat.com>
7951 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7952 up to elem_bitsize bits, not max_bitsize.
7954 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7956 PR tree-optimization/23433
7957 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7958 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7960 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7962 PR tree-optimization/23434
7963 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7964 the iteration bound is not an INTEGER_CST.
7966 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
7968 * tree-vect-transform.c (get_initial_def_for_reduction): Set
7969 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7970 NULL if need_epilog_adjust is false.
7971 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7972 Case 3 always peels first itration, not just for PLUS case, and no need
7973 to use scalar_initial_def here. Create an epilog adjustment only if
7974 scalar_initial_def is not NULL.
7976 (vectorizable_reduction): Remove assert.
7978 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
7981 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7982 (__moddi3): Likewise.
7983 (__udivdi3): Likewise.
7984 (__umoddi3): Likewise.
7985 (__divsi3): Likewise.
7986 (__modsi3): Likewise.
7987 (__udivsi3): Likewise.
7988 (__umodsi3): Likewise.
7990 2005-08-20 Jakub Jelinek <jakub@redhat.com>
7992 * tree-pass.h (TDF_GRAPH): Define.
7993 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7994 * passes.c (finish_optimization_passes): Only call
7995 finish_graph_dump_file if TDF_GRAPH is set.
7996 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7997 NULL. Set TDF_GRAPH bit.
7998 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
8000 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
8002 * arm.h (arm_stack_offsets): Add locals_base field.
8003 * arm.c (arm_get_frame_offsets): Compute it.
8004 (thumb_compute_initial_elimination offset): Make the Thumb frame
8005 pointer point to the base of the local variables.
8006 (thumb_expand_prologue): Update accordingly.
8007 (thumb_expand_epilogue): Likewise.
8009 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
8010 mode of clobbered scratch to DImode. Handle a case that's known to
8013 2005-08-19 David Edelsohn <edelsohn@gnu.org>
8015 * config/rs6000/rs6000.md (gt0<mode>): Delete.
8016 (gt0<mode>_compare): Delete.
8017 (neg_gt0<mode>): Delete.
8019 2005-08-19 Eric Christopher <echristo@apple.com>
8021 * optabs.h: Change CTI_ to COI_.
8024 2005-08-19 James E Wilson <wilson@specifix.com>
8026 * builtins.c (expand_builtin_return_addr): Set
8027 current_function_accesses_prior_frames when count != 0. Use
8028 frame_pointer_rtx when count == 0.
8029 * function.h (struct function): Add accesses_prior_frames field.
8030 (current_function_accesses_prior_frames): Define.
8031 * reload1.c (init_elim_table): Check
8032 current_function_accesses_prior_frames.
8033 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
8035 2005-08-19 Diego Novillo <dnovillo@redhat.com>
8037 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
8038 indicator. Return true if the flowgraph changed during
8041 2005-08-19 Diego Novillo <dnovillo@redhat.com>
8044 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
8045 conditional expression before testing its value.
8047 2005-08-19 Diego Novillo <dnovillo@redhat.com>
8049 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
8051 2005-08-19 Devang Patel <dpatel@apple.com>
8053 PR tree-optimization/23048
8054 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
8055 third parameter. Check whether latch is dominated by exit
8057 (if_convertible_loop_p): Supply exit block itself to
8058 if_convertible_bb_p.
8060 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
8063 * arm.md (arm_load_pic_register): Change argument to the mask of
8064 saved registers. Call thumb_find_work_register if we need a
8065 scratch register on Thumb.
8066 (arm_expand_prologue): Pass empty register set to
8067 arm_load_pic_register.
8068 (thumb_expand_prologue): Pass live_regs_mask directly to
8069 arm_load_pic_register.
8070 * arm-protos.h (arm_load_pic_register): Update prototype.
8072 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
8074 * sh.c (find_sole_member): New function.
8075 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
8076 if the record's alignment is larger than the size of its only member.
8078 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
8081 * arm.c (thumb_legitimize_reload_address): New function.
8082 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
8083 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
8085 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
8087 * config/crx/crx.c: Implement crx_decompose_address. Reject
8088 symbolic displacements since CRX register relative adressing
8089 mode can't handle unsigned 32-bit values as displacements.
8090 * config/crx/crx.h: Simplify definitions, remove redundant
8091 parenthesis and obsolete macros.
8092 * config/crx/crx.opt: Add new switch for debugging addresses.
8093 * config/crx/crx-protos.h: Add new declarations for above.
8095 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
8098 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
8101 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8103 * collect2.c (dup2): Delete.
8104 * configure.ac: Don't check for dup2.
8106 * config.in, configure: Regenerate.
8108 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
8110 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
8111 record with the type of its only member.
8113 2005-08-18 David Edelsohn <edelsohn@gnu.org>
8115 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
8116 define_insn_and_split.
8117 (plus_ltu<mode>_compare): Same.
8118 (gtu<mode>_compare): Same.
8119 (plus_gtu<mode>_compare): Same.
8121 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
8123 PR tree-optimization/22228
8124 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
8126 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
8127 are recorded in vect_vnames_to_rename for renaming.
8128 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
8129 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
8130 in vect_vnames_to_rename.
8131 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
8132 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
8134 2005-08-18 Jan Hubicka <jh@suse.cz>
8137 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
8138 info only for local statics, not for member variables.
8140 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8142 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
8144 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8146 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
8148 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
8151 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
8153 2005-08-17 James E Wilson <wilson@specifix.com>
8155 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8158 2005-08-17 David Edelsohn <edelsohn@gnu.org>
8160 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
8161 (leu<mode>_compare): Same.
8162 (plus_leu<mode>): Same.
8163 (neg_leu<mode>): Same.
8164 (and_neg_leu<mode): Same.
8165 (ltu<mode>_compare): Same.
8166 (plus_ltu<mode>): Same.
8168 (geu<mode>_compare): Same.
8169 (plus_geu<mode>): Same.
8170 (neg_geu<mode>): Same.
8171 (and_neg_geu<mode>): Same.
8172 (plus_gt<mode>): Same.
8173 (gtu<mode>_compare): Same.
8174 (plus_gtu<mode>): Same.
8176 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
8178 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
8179 Move call_table_data to end. Delete spurious .text.
8180 (callt_save_all_interrupt): Fix comment typo.
8182 2005-08-17 James E Wilson <wilson@specifix.com>
8183 Kevin Winchester <winchester@amirix.com>
8186 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
8188 2005-08-17 Uros Bizjak <uros@kss-loka.si>
8191 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
8192 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
8194 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
8196 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
8197 record with the type of its only member if the modes don't match.
8199 * varasm.c (decode_reg_name): Skip empty additional register names.
8201 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8203 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
8204 lsm_tmp_name_length): New.
8205 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
8206 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
8208 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
8209 Andreas Krebbel <krebbel1@de.ibm.com>
8211 * config.gcc: Added z9-109 switch.
8212 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
8213 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
8214 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
8215 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
8216 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
8217 for "z9_109" cpu attribute.
8218 * config/s390/s390.c (z9_109_cost): New processor cost structure.
8219 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
8220 (s390_handle_arch_option): Added z9-109 switch.
8221 (override_options): Set respective cost function for z9-109.
8222 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
8223 (legitimate_reload_constant_p): Accept extended immediates.
8224 (print_operand): Three new output modifiers added: k, m and o.
8225 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
8226 (s390_output_mi_thunk): Use extended immediate when possible.
8227 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
8228 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
8229 (CONSTRAINT_LEN): Added length of O constraint.
8230 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
8231 * config/s390/s390.md ("cpu"): New value z9_109 added.
8232 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
8233 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
8234 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
8235 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
8236 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
8237 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
8238 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
8239 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
8240 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
8241 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8242 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
8243 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
8244 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
8245 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
8246 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
8248 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
8249 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
8250 insns for TARGET_EXTIMM.
8252 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
8254 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
8256 2005-08-17 Nick Clifton <nickc@redhat.com>
8258 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
8259 Call default_encode_section_info.
8261 2005-08-17 Steven Bosscher <stevenb@suse.de>
8263 PR tree-optimization/21574
8264 * tree-ssa-ccp.c (likely_value): If the right hand side is a
8265 constant, return CONSTANT.
8266 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
8267 (ccp_fold, visit_assignment): Likewise.
8268 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
8270 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
8272 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
8273 fold_buildN instead of buildN then fold_initializer or fold.
8274 (build_unary_op): Likewise.
8275 (build_binary_op): Likewise.
8276 * fold-const.c (fold_initializer): Remove.
8277 (fold_build1_initializer): New function.
8278 (fold_build2_initializer): New function.
8279 (fold_build3_initializer): New function.
8280 * tree.h (fold_initializer): Remove.
8281 (fold_build1_initializer): New function.
8282 (fold_build2_initializer): New function.
8283 (fold_build3_initializer): New function.
8285 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
8287 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
8288 (try_move_mult_to_index): Call fold_build2 instead of build2.
8289 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
8290 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
8291 fold_binary_to_constant.
8292 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
8294 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
8295 check if A == gcd (A, B). Remove TYPE argument.
8296 (analyze_offset) Use fold_build2 instead of fold (build.
8297 (create_data_ref): Likewise.
8298 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
8299 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
8302 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
8304 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
8305 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
8307 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
8310 * gimplify.c (zero_sized_type): New function.
8311 (gimplify_modify_expr_rhs): If we have a zero sized type,
8312 replace the statement with an empty statement.
8314 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
8316 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
8319 2005-08-16 Ian Lance Taylor <ian@airs.com>
8321 * doc/tm.texi (Label Output): Correct typo.
8323 2005-08-16 Steven Bosscher <stevenb@suse.de>
8326 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
8327 force_operand will work later on using have_insn_for.
8329 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8331 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
8333 2005-08-16 Ian Lance Taylor <ian@airs.com>
8336 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
8337 vector type, don't try to construct it element by element. Add an
8338 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
8340 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8342 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
8344 2005-08-16 Geoffrey Keating <geoffk@apple.com>
8346 * doc/invoke.texi (Precompiled Headers): Document some more options
8347 which are known to be safe.
8349 2005-08-16 James E Wilson <wilson@specifix.com>
8351 PR tree-optimization/21105
8352 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8353 TREE_OVERFLOW check.
8355 2005-08-16 David Edelsohn <edelsohn@gnu.org>
8357 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
8358 (neg_ltu<mode>): Same.
8360 (neg_gtu<mode>): Same.
8362 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8364 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
8365 (fold_builtin_isdigit): Use fold_buildN.
8366 (build_function_call_expr): Likewise.
8367 * c-typeck.c (c_finish_loop): Likewise.
8369 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
8370 Richard Shann <rshann@superh.com>
8372 PR middle-end/20396:
8373 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
8375 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
8377 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
8379 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
8382 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
8383 arm_compure_save_reg0_reg12_mask to determine when the PIC register
8386 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8389 * fold-const.c (build_range_check): Disable optimization for function
8390 pointer expressions on targets that require function pointer
8393 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
8395 * simplify-rtx.c (simplify_const_relational_operation): When
8396 extracting arguments of a COMPARE, recompute the mode as well.
8398 2005-08-15 Ian Lance Taylor <ian@airs.com>
8400 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
8402 2005-08-15 DJ Delorie <dj@redhat.com>
8404 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
8406 (movsi_splittable): Allow, but split, moves to the stack.
8407 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
8410 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8412 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
8413 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
8414 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
8416 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
8417 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
8418 Delete HOST_PTR_PRINTF.
8420 * configure, config.in: Regenerate.
8422 2005-08-15 David Edelsohn <edelsohn@gnu.org>
8424 * config/rs6000/rs6000.md (QHSI): New mode macro.
8425 (wd): Extend mode attr for QImode and HImode
8426 (dbits): New mode attr.
8427 (zero_extend<mode>di2): Convert to mode macro.
8429 2005-08-15 Steve Ellcey <sje@cup.hp.com>
8432 * doc/invoke.texi (-mgnu-ld): Update description.
8435 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
8438 * Makefile.in (tree-chrec.o): Depends on real.h.
8439 * tree-chrec.c: Include real.h.
8440 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
8441 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
8442 * tree-scalar-evolution.c (add_to_evolution_1,
8443 interpret_rhs_modify_expr): Ditto.
8445 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
8448 * tree-data-ref.c (estimate_niter_from_size_of_data): When
8449 step is negative compute the estimation from init downwards to zero.
8451 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
8453 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
8455 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
8457 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
8459 (legitimate_reload_constant_p): Fix handling of lliXX operands.
8460 Accept double-word constants that can be split.
8461 * config/s390/s390.md ("movti"): Use 'P' constraint.
8462 ("*movdi_31", "*movdf_31"): Likewise.
8464 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
8466 Fix PR tree-optimization/22615
8468 * tree-ssa-structalias.c (solution_set_add): Handle
8469 first_vi_for_offset returning NULL.
8470 (do_da_constraint): Ditto.
8471 (do_sd_constraint): Ditto.
8472 (do_ds_constraint): Ditto
8473 (find_func_aliases): Ditto.
8474 (build_constraint_graph): RHS is allowed be ANYTHING.
8475 (first_vi_for_offset): Return NULL if we couldn't find anything at
8478 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
8480 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
8481 over memory as first operand.
8483 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
8486 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
8487 available for setting it.
8489 2005-08-14 Ira Rosen <irar@il.ibm.com>
8491 PR tree-optimization/23320
8492 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
8493 data-refs' types instead of base object nullness. Add check for
8494 pointer type data-refs before first location comparison. Remove
8497 2005-08-14 Andreas Schwab <schwab@suse.de>
8499 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
8501 2005-08-13 James E Wilson <wilson@specifix.com>
8503 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
8504 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
8505 -fstack-protector-all, --param ssp-buffer-size): Document.
8506 (-Wvariadic-macros): Alphabetize.
8507 (-fsched-stalled-insns-dep): Add missing 'f'.
8509 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
8512 2005-08-13 David Edelsohn <edelsohn@gnu.org>
8514 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
8515 or indirect address operand.
8516 (EXTRA_ADDRESS_CONSTRAINT): New.
8517 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
8519 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
8521 PR tree-optimization/22236
8522 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
8523 successors and predecessors.
8524 * tree-chrec.c (chrec_convert): Before converting, check that
8525 sequences don't wrap.
8526 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
8527 (analyze_array): Extern.
8528 (find_data_references_in_loop): Remove call to
8529 compute_estimated_nb_iterations.
8530 * tree-data-ref.h (analyze_array): Declared.
8531 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
8532 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
8533 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
8534 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
8536 * tree-ssa-loop-ivcanon.c: Fix documentation.
8537 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
8538 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
8539 (infer_loop_bounds_from_undefined): New.
8540 (estimate_numbers_of_iterations_loop): Use
8541 infer_loop_bounds_from_undefined.
8542 (used_in_pointer_arithmetic_p): New.
8543 (scev_probably_wraps_p): Pass an extra parameter. Call
8544 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
8545 (convert_step): Fix documentation.
8546 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
8547 Use initial_condition_in_loop_num and evolution_part_in_loop_num
8548 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
8549 scev_probably_wraps_p.
8551 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
8553 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
8554 (s390_register_info): Ignore clobbered_regs information for fixed
8555 registers, and only fixed registers.
8556 (s390_init_frame_layout): Remove redundant call.
8558 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
8560 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
8561 description of -Wold-style-casts.
8563 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8564 Jakub Jelinek <jakub@redhat.com>
8566 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8567 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
8568 * config/s390/s390.c (print_operand): New output modifier 'G' added.
8569 (get_thread_pointer): Renamed to s390_get_thread_pointer.
8570 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
8571 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
8572 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8573 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8574 ("stack_protect_set", "stack_protect_test"): New expanders.
8575 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8576 "stack_protect_testdi"): New insn definitions.
8578 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8580 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8582 2005-08-12 Paul Brook <paul@codesourcery.com>
8584 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8586 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8588 * config/s390/predicates.md (setmem_operand): New predicate.
8589 (shift_count_operand): Accept ANDs with special constants as
8591 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8592 with special constants.
8593 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8594 shift_count_operand with setmem_operand.
8596 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8598 * config/s390/s390.c (s390_extract_part, s390_single_part):
8600 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8601 (s390_output_mi_thunk): Don't use lg on 31 bit.
8602 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8603 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8605 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8607 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8608 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8609 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8610 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8611 with one of the new macros.
8613 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8615 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8616 Don't set save_return_addr_p.
8617 (s390_register_info): Make clobbered_regs not depending on
8620 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
8622 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8623 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8625 2005-08-11 James E. Wilson <wilson@specifix.com>
8627 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8629 2005-08-11 Jakub Jelinek <jakub@redhat.com>
8631 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8632 locations gathered by var-tracking in single entry loc_list
8633 over loc_descriptor_from_tree.
8635 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8636 pass it down to loc_descriptor.
8637 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8638 (containing_function_has_frame_base): Move earlier in the file.
8639 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8640 instead of always assuming fbreg can't be used.
8642 2005-08-11 David Edelsohn <edelsohn@gnu.org>
8644 * config/rs6000/altivec.md: Change constraint "m" to "Z".
8645 * config/rs6000/predicates.md (indexed_or_indirect_operand):
8646 Accept address wrapped in AND for Altivec.
8647 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8648 Strip AND wrapping offset address for Altivec.
8650 2005-08-11 Richard Henderson <rth@redhat.com>
8653 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8654 before using TYPE_IS_SIZETYPE.
8656 2005-08-11 Richard Henderson <rth@redhat.com>
8659 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8660 insn types not present on ev4.
8661 (alphaev5_insn_pipe): Similarly.
8663 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
8666 * arm.c (arm_override_options): If the user has selected callee-super-
8667 interworking, then enable normal interworking.
8669 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8671 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8674 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
8676 * doc/rtl.texi: Fix two typos.
8678 2005-08-11 Richard Guenther <rguenther@suse.de>
8681 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8682 cases where we call to/from functions returning void.
8684 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
8687 * tree.c (build_pointer_type_for_mode): Robustify.
8689 2005-08-10 James E Wilson <wilson@specifix.com>
8691 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8692 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8694 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8697 2005-08-10 Eric Christopher <echristo@apple.com>
8699 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8700 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8703 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
8706 * config/darwin.c (machopic_indirect_data_reference): Use a new register
8707 for the high part when generating dynamic-no-pic code.
8709 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
8711 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8712 (x86_64-*-linux*): Likewise.
8714 * config/i386/crtfastmath.c: New file.
8715 * config/i386/t-crtfm: Likewise.
8717 * config/i386/linux.h (ENDFILE_SPEC): New.
8718 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8720 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8723 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
8725 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8726 (vec_shl, vec_shr): Document new operations.
8727 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8729 2005-08-10 David Edelsohn <edelsohn@gnu.org>
8731 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8732 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8733 change predicate to indexed_or_indirect_address.
8735 2005-08-10 Richard Sandiford <richard@codesourcery.com>
8737 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8738 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8739 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8740 and __aeabi_uwrite8.
8741 * config/arm/unaligned-funcs.c: New file.
8742 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8744 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
8746 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8748 * cfglayout.c (pass_insn_locators_initialize): Add dump.
8749 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8751 * except.c (pass_convert_to_eh_region_ranges): Add dump.
8752 * final.c (pass_shorten_branches): Add dump.
8753 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8754 (pass_life): Rename dump.
8755 (rest_of_handle_flow2): Remove initial verify_flow_info.
8756 * function.c (pass_instantiate_virtual_regs): Add dump.
8757 * integrate.c (pass_initial_value_sets): Add dump.
8758 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8759 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8760 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8761 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8762 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8763 gate_rtl_unrool_and_peel_loops): New.
8764 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8765 rtl_doloop): Do not look at flags.
8766 * mode-switching.c (pass_mode_switching): Add dump.
8767 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8768 pass_split_before_regstack): Add dump.
8769 * regmove.c (pass_stack_adjustments): Add dump.
8770 * tree-optimize.c (pass_fixup_cfg): Add dump.
8772 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8775 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8776 deciding which instruction sequence to use.
8778 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
8780 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8781 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8783 2005-08-09 Richard Guenther <rguenther@suse.de>
8785 * c-common.c (builtin_function_2): Remove.
8786 (def_builtin_1): New function.
8787 (c_common_nodes_and_builtins): Use def_builtin_1 to
8788 build builtin functions.
8790 2005-08-09 Jie Zhang <jie.zhang@analog.com>
8792 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8793 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8794 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8797 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8799 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8800 fold_binary instead of fold_build2 since we don't care about the
8802 (loop_niter_by_eval): Likewise.
8803 (compare_trees): Likewise.
8804 (proved_non_wrapping_p): Likewise.
8806 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8810 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8811 if the if is really empty.
8813 2005-08-09 Steven Bosscher <stevenb@suse.de>
8815 PR tree-optimization/23234
8816 * tree-ssa-math-opts.c (place_reciprocal): New enum.
8817 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8818 argument of the new enum.
8819 (execute_cse_reciprocals): Add reciprocals for function arguments
8820 on the unique successor edge of the entry block. Update other calls
8821 to execute_cse_reciprocals_1.
8823 2005-08-08 Richard Henderson <rth@redhat.com>
8826 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8828 2005-08-08 Bob Wilson <bob.wilson@acm.org>
8830 * expr.c (write_complex_part): Return after handling MEM.
8832 2005-08-08 Josh Conner <jconner@apple.com>
8834 PR rtl-optimization/23241
8835 * combine.c (simplify_comparison): Fix error in determining
8836 whether to lift a subreg from comparison.
8838 2005-08-08 David Edelsohn <edelsohn@gnu.org>
8841 * config/rs6000/altivec.md (vec_init<mode>): New.
8842 (vec_set<mode>): New.
8843 (vec_extract<mode>): New.
8844 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8845 (rs6000_expand_vector_set): New.
8846 (rs6000_expand_vector_extract): New.
8847 (rs6000_legitimate_offset_address_p): Offset addresses are valid
8848 for Altivec modes before reload.
8849 (altivec_expand_vec_init_builtin): New.
8850 (get_element_number): New.
8851 (altivec_expand_vec_set_builtin): New.
8852 (altivec_expand_vec_ext_builtin): New.
8853 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8855 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8857 * config/rs6000/rs6000.h (rs6000_builtins): Add
8858 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8859 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8860 * config/rs6000/rs6000-protos.h: Declare new functions.
8862 2005-08-08 Jan Hubicka <jh@suse.cz>
8864 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8865 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8866 * i386.md (movdi*): Use pic_32bit_operand.
8867 * predicates.md (pic_32bit_operand): New.
8869 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
8872 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8874 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
8876 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8877 (test_for_singularity): Use fold_build2.
8879 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8881 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8883 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
8885 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8886 (COMMON_ASM_OP) Define.
8887 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8888 (ix86_encode_section_info): Likewise.
8889 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8890 SUBTARGET_ENCODE_SECTION_INFO.
8892 2005-08-06 Richard Henderson <rth@redhat.com>
8895 * tree-nested.c (convert_local_reference): Save and restore val_only
8896 around component_ref and friends. Clear walk_subtrees by default.
8898 2005-08-06 Peter O'Gorman <peter@pogma.com>
8901 * gcc.c (process_command): Check the argument to -b has a dash.
8902 * doc/invoke.texi: Update -b and -V docs.
8904 2005-08-06 James E Wilson <wilson@specifix.com>
8906 * config/mips/cross64.h, config/mips/t-cross64: Delete.
8908 2005-08-06 Michael Matz <matz@suse.de>
8910 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8911 member only if only one insn is associated with the value.
8913 2005-08-06 Nick Clifton <nickc@redhat.com>
8915 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8917 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8918 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8919 Check symbol flags instead of symbol name mangling.
8920 (xstormy16_asm_output_aligned_common): Likewise. Also
8921 simplify code since the bss100_section cass is the only case
8922 where the below100 code will be triggered.
8923 (xstormy16_encode_section_info): Encode below100 attribute
8924 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8926 (xstormy16_strip_name_encoding): Delete - this function is no
8928 (TARGET_STRIP_NAME_ENCODING): Undefine.
8929 * config/stormy16/stormy16-protos.h: Delete prototype for
8930 xstormy16_strip_name_encoding.
8932 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
8934 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8935 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8936 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8937 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8938 config/alpha/predicates.md, config/arc/arc.h,
8939 config/arm/arm.h, config/arm/ieee754-df.S,
8940 config/arm/ieee754-sf.S, config/bfin/bfin.c,
8941 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8942 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8943 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8944 config/m68hc11/m68hc11.h, config/mips/mips.c,
8945 config/mips/mips.h, config/mips/openbsd.h,
8946 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8947 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8948 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8949 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8950 config/sparc/linux.h, config/sparc/linux64.h,
8951 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8952 doc/extend.texi, doc/gcov.texi, doc/install.texi,
8953 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8954 typos. Follow spelling conventions.
8956 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
8959 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8960 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8961 specially. Check for side effects only for COND_EXPR.
8962 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8963 return with TREE_NO_WARNING.
8965 2005-08-06 Richard Sandiford <richard@codesourcery.com>
8967 PR rtl-optimization/23233
8968 * loop.c (combine_movables): Require the modes to be the same.
8969 (move_movables): Remove handling of cases where the replacement
8970 had a different mode to the original.
8972 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
8974 PR tree-optimization/23128
8975 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8976 subtraction wrap, and set TREE_OVERFLOW if they do.
8978 2005-08-05 Richard Henderson <rth@redhat.com>
8981 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8982 FORCED_LABEL labels.
8984 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
8987 * reload.c (find_reloads_subreg_address): Pass down TYPE
8988 unchanged. Change all callers except find_reloads_toplev.
8990 2005-08-05 Michael Matz <matz@suse.de>
8992 * genattrtab.c (current_alternative_string): Remove.
8993 (SIMPLIFY_ALTERNATIVE): Ditto.
8994 (attr_alt_bit_p): Ditto.
8995 (alternative_name): Make const char *.
8996 (evaluate_eq_attr): Remove use of above things.
8997 (simplify_test_exp): Ditto.
8998 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8999 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
9001 2005-08-04 James E Wilson <wilson@specifix.com>
9003 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
9004 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
9005 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
9006 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
9007 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
9009 2005-08-04 Richard Henderson <rth@redhat.com>
9012 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
9013 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
9014 * tree-sra.c (decide_block_copy): Use it. Disable element copy
9015 if we'd have to instantiate too many members.
9017 2005-08-04 Richard Henderson <rth@redhat.com>
9020 * tree-outof-ssa.c (coalesce_asm_operands): New.
9021 (coalesce_ssa_name): Use it. Split out ...
9022 (coalesce_phi_operands, coalesce_result_decls): ... these.
9024 2005-08-04 Paul Brook <paul@codesourcery.com>
9026 * read-rtl.c (read_quoted_string): Break if EOF.
9028 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
9030 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
9031 (fold_build2): Likewise.
9032 (fold_build3): Likewise.
9033 (fold_build1_stat): New function prototype.
9034 (fold_build2_stat): Likewise.
9035 (fold_build3_stat): Likewise.
9036 * fold-const.c (fold_build1): Rename to ..
9037 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
9038 through to build1_stat.
9039 (fold_build2): Rename to ..
9040 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
9041 through to build2_stat.
9042 (fold_build3): Rename to ..
9043 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
9044 through to build3_stat.
9046 2005-08-04 David Edelsohn <edelsohn@gnu.org>
9047 Ian Lance Taylor <ian@airs.com>
9049 * function.c (assign_stack_local_1): Do not correct stack slot
9050 address if allocation size is smaller than mode size.
9052 2005-08-04 Diego Novillo <dnovillo@redhat.com>
9055 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
9056 (tree_merge_blocks): Propagate anything allowed by
9058 Clarify documentation.
9059 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
9060 SSA form, schedule an update if necessary.
9062 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
9064 * doc/install.texi (Binaries): Remove broken link to
9065 Sinix/Reliant Unix binaries.
9067 2005-08-03 Richard Henderson <rth@redhat.com>
9070 * function.c (stack_protect_epilogue): Export.
9071 * tree.h (stack_protect_epilogue): Declare.
9072 * calls.c (expand_call): Call it.
9074 2005-08-03 Eric Christopher <echristo@apple.com>
9076 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
9077 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
9080 2005-08-04 Jan Hubicka <jh@suse.cz>
9082 * profile.c (branch_prob): Split edges with goto locus on them
9083 to get proper line counts.
9084 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
9086 2005-08-03 Paul Brook <paul@codesourcery.com>
9088 * function.c (assign_parms): Round current_function_args_size
9089 to PARM_BOUNDARY, not STACK_BOUNDARY.
9091 2005-08-03 Geoffrey Keating <geoffk@apple.com>
9093 * config/i386/i386.c (x86_elf_aligned_common)
9094 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
9096 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
9098 PR tree-optimization/23157
9099 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
9100 before emitting them.
9102 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9104 PR tree-optimization/19899
9105 * Makefile.in (tree-scalar-evolution.o): Add real.h.
9106 * tree-scalar-evolution.c: Include real.h.
9107 (add_to_evolution): Build constant -1 of correct type.
9109 2005-08-03 Jan Hubicka <jh@suse.cz>
9111 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
9112 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
9113 profile updating for complette unrolling.
9114 * loop-unroll.c (peel_loop_completely): Use it.
9115 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
9116 (tree_unroll_loops_completely): Disable code growing unrolling of cold
9119 2005-08-03 Paul Brook <paul@codesourcery.com>
9121 * combine.c (can_change_dest_mode): New function.
9122 (try_combine, simplify_set): Use it.
9124 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
9126 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
9129 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
9131 * doc/install.texi (Specific): Adjust link to openavr.org.
9132 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
9133 (Binaries): Adjust HP-UX Porting Center link.
9134 (Binaries): Adjust Free Software Foundation ordering link.
9136 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
9138 * convert.c (convert_to_integer): Use fold_build1 instead of
9139 build1 when converting an integer to an integer.
9141 2005-08-02 Richard Henderson <rth@redhat.com>
9143 * combine.c (combine_instructions): Don't use reg_equal/equiv
9144 results if the mode doesn't match.
9146 2005-08-02 Mark Mitchell <mark@codesourcery.com>
9148 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
9149 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
9151 2005-08-02 Richard Henderson <rth@redhat.com>
9154 * explow.c (memory_address): Remove special-case for
9155 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
9157 2005-08-02 Diego Novillo <dnovillo@redhat.com>
9160 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
9161 number of calls to cleanup_tree_cfg_1.
9163 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
9165 * doc/invoke.texi: document file extensions .F90 and .F95
9167 2005-08-02 Richard Guenther <rguenther@suse.de>
9169 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
9170 positive if its first argument is positive.
9172 2005-08-02 Richard Guenther <rguenther@suse.de>
9174 PR tree-optimization/23177
9175 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
9178 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
9180 PR tree-optimization/23129
9181 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
9182 varying for divisions with anti-ranges.
9184 2005-08-02 Jan Hubicka <jh@suse.cz>
9186 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
9187 * tree-ssa-threadupdate.c (thread_block): Add it here.
9189 2005-08-01 James E Wilson <wilson@specifix.com>
9191 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
9192 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
9193 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
9195 * config/mips/predicates.md (const_call_insn_operand): Add check for
9196 SYMBOL_REF_LONG_CALL_P.
9197 * doc/extend.texi (long_call): Document the new attribute.
9199 2005-08-01 Ian Lance Taylor <ian@airs.com>
9200 Richard Henderson <rth@redhat.com>
9202 * Makefile.in (RTL_BASE_H): Add real.h.
9203 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
9205 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
9207 * rtl.c (rtl_check_failed_code_mode): New.
9208 * rtl.h (struct rtx_def): Add u.rv.
9209 (XCMWINT, XCNMPRV): New.
9210 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
9211 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
9213 2005-08-01 Richard Henderson <rth@redhat.com>
9215 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
9216 with auto-inc codes.
9218 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
9220 2005-08-01 Jan Hubicka <jh@suse.cz>
9222 * i386-protos.h (asm_preferred_eh_data_format): Declare.
9223 * i386.c: Include dwarf2.h
9224 (asm_preferred_eh_data_format): New.
9225 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
9227 2005-08-01 Ian Lance Taylor <ian@airs.com>
9229 * config/host-linux.c (linux_gt_pch_get_address): Add new name
9230 randomize_va_space for virtual address randomization control.
9232 2005-08-01 Steven Bosscher <stevenb@suse.de>
9234 * common.opt (flag_ipa_cp): Put in right place to maintain
9237 2005-08-01 Jan Hubicka <jh@suse.cz>
9239 * profile.c (compute_value_histograms): Fix thinko.
9240 * value-prof.c: Include toplev.h
9241 (check_counter): New function.
9242 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
9243 tree_mod_subtract_transform): Add sanity check.
9245 2005-08-01 Richard Guenther <rguenther@suse.de>
9247 PR tree-optimization/23133
9248 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
9249 current functions parameter decls to find defs to cse
9252 2005-08-01 Richard Guenther <rguenther@suse.de>
9254 PR tree-optimization/23109
9255 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
9256 If trapping math is in effect, use post-dominator information
9257 to check if we'd in any case reach a trapping point before
9258 doing the reciprocal insertion.
9259 (execute_cse_reciprocals): Compute post-dominators, if necessary.
9260 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
9261 expressions are invariant only if trapping math is not in effect.
9263 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
9265 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
9266 cgraph_function_versioning): New declarations.
9267 * cgraphunit.c: Add include to ipa-prop.h.
9268 (update_call_expr, cgraph_copy_node_for_versioning,
9269 cgraph_function_versioning): New functions.
9270 * integrate.c (copy_decl_for_inlining): Remove.
9271 * ipa-prop.h (ipa_replace_map): New struct.
9272 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
9273 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
9274 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
9275 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
9276 ipcp_iterate_stage, ipcp_method_scale_print,
9277 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
9278 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
9279 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
9280 ipcp_update_bb_counts, ipcp_update_profiling,
9281 ipcp_update_edges_counts): New functions.
9282 (ipcp_method_cval_init): Remove restriction regarding local methods.
9283 (ipcp_init_stage): Add ipcp_method_compute_scale.
9284 (ipcp_insert_stage): Add versioning.
9285 (ipcp_structures_print): Add ipcp_method_scale_print.
9286 (ipcp_driver): Dump profiling info.
9287 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
9288 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
9289 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
9290 (struct inline_data): Add versioning_p, ipa_info, new fields.
9291 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
9292 declare_return_variable): Replace calls to copy_decl_for_inlining with
9294 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
9296 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
9297 Add argument VERSIONING.
9298 (copy_arguments_for_versioning, copy_static_chain,
9299 function_versionable_p, tree_versionable_function_p,
9300 tree_function_versioning, replace_ref_tree): New functions.
9301 * tree-inline.h: Include varray.h.
9302 (tree_versionable_function_p, tree_function_versioning,
9303 tree copy_decl_for_dup): New declarations.
9305 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
9307 * ipa-cp.c: New file. Contains IPCP specific functionality.
9308 * ipa-prop.h: New file. Contains structures/definitions that can be
9309 used by several interprocedural data flow optimizations (and also IPCP).
9310 * ipa-prop.c: New file.
9311 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
9312 * common.opt: Add ipa-cp flag.
9313 * timevar.def: Add IPCP optimization.
9314 * tree-optimize.c (init_tree_optimization_passes): Schedule
9316 * tree-pass.h (pass_ipa_cp): Declare.
9318 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
9320 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
9321 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
9322 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
9323 config/i386/i386.c, config/mips/mips.h,
9324 config/rs6000/rs6000.h, config/sh/sh.c,
9325 config/stormy16/stormy16.c: Fix comment typos.
9327 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
9330 * c-typeck.c (build_binary_op): Use common_type wrapper on
9332 (common_type): Update comment.
9334 2005-07-31 Steven Bosscher <stevenb@suse.de>
9337 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
9338 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
9339 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
9341 2005-07-31 Jan Hubicka <jh@suse.cz>
9343 * pretty-print.h (pp_widest_integer): New macro.
9344 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
9347 2005-07-31 Jan Hubicka <jh@suse.cz>
9349 * output.h (enum section_category): Export from varasm.c
9350 (categorize_decl_for_section): Likewise.
9351 * varasm.c (enum section_category): Kill.
9352 (categorize_decl_for_section): Make global.
9353 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
9355 * i386.c (ix86_section_threshold): New static variable.
9356 (ix86_in_large_data_p, ix86_encode_section_info,
9357 x86_64_elf_unique_section,
9358 x86_64_elf_select_section): New functions.
9359 (TARGET_ENCODE_SECTION_INFO): Define
9360 (override_options): Enable medium model for PIC.
9361 (ix86_expand_prologue): Expand gen_set_got_rex64.
9362 (legitimate_constant_p): Handle new UNSPECs.
9363 (legitimate_pic_address_disp_p): Likewise.
9364 (legitimize_pic_address): Lower MEDIUM model addressing.
9365 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
9366 (enum cmodel): Add MEDIUM_PIC.
9367 (SYMBOL_REF_FAR_ADDR_P): New macro.
9368 (SYMBOL_FLAG_FAR_ADDR): New flag.
9369 * i386.md (movdi): Support medium model.
9370 (set_got_rex64): New pattern.
9371 * i386.opt (mlarge-data-threshold): New flag.
9372 * predicates.md (zext_operand/sext_operand): Deal with medium model.
9373 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
9374 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
9375 TARGET_ASM_UNIQUE_SECTION): New.
9377 * invoke.texi (-mlarge_data_threshold): Document
9379 2005-07-31 Jan Hubicka <jh@suse.cz>
9381 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
9382 (coalesce_vars): Likewise.
9383 * tree-ssa-live.c (coalesce_cost): New.
9384 (build_tree_conflict_graph): Use coalesce_cost.
9385 * tree-ssa-live.h (coalesce_cost): Declare.
9387 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
9389 * arm.md (all peepholes for post-increment operations): Delete.
9390 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
9391 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
9392 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
9393 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
9394 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
9396 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
9398 * fold-const.c (tree_expr_nonnegative_p): Always return true for
9401 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
9404 * doc/invoke.texi: Document -rdynamic.
9406 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
9409 * c-parser.c (c_parser_parms_list_declarator): Call
9410 mark_forward_parm_decls.
9411 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
9412 decls with visibility structure.
9414 2005-07-30 Paul Brook <paul@codesourcery.com>
9416 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
9418 2005-07-30 Paul Brook <paul@codesourcery.com>
9420 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
9422 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
9424 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
9426 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9429 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
9430 nested function declarators.
9431 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
9432 (grokparms): Call warn_if_shadowing for parameters used within the
9434 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
9435 not used within the parameter list.
9436 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
9438 2005-07-30 Jan Hubicka <jh@suse.cz>
9440 * expr.c (expand_expr_real_1): Do not load mem targets into register.
9441 * i386.c (ix86_fixup_binary_operands): Likewise.
9442 (ix86_expand_unary_operator): Likewise.
9443 (ix86_expand_fp_absneg_operator): Likewise.
9444 * optabs.c (expand_vec_cond_expr): Validate dest.
9446 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9449 * real.c (real_from_string): Also set last bit if there is a
9450 nonzero hex digit beyond GCC's internal precision after ".".
9452 2005-07-29 David Edelsohn <edelsohn@gnu.org>
9454 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
9455 define_constants. Change duplicate values to unassigned numbers.
9456 Change UNSPEC_SUBS to UNSPEC_VSUBS.
9457 (*altivec_vspltsf): New.
9458 (altivec_vperm_v4sf): Delete.
9459 (altivec_vperm_<mode>): Use mode macro V.
9460 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
9461 (altivec_predicate_v4sf): Delete.
9462 (altivec_predicate_<mode>): Use mode macro V.
9463 (*altivec_lvesfx): New.
9464 (*altivec_stvesfx): New.
9465 (vec_realign_load_v4sf): Delete.
9466 (vec_realign_load_<mode>): Use mode macro V.
9467 * config/rs6000/rs6000.c (generate_set_vrsave): Use
9470 2005-07-29 Mark Mitchell <mark@codesourcery.com>
9473 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
9475 * configure: Regenerated.
9477 2005-07-29 Paul Brook <paul@codesourcery.com>
9479 * doc/install.texi: Add link to GFortran binaries wiki page.
9481 2005-07-29 David Ung <davidu@mips.com>
9483 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
9484 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
9485 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
9486 * config/mips/mips.md (cpu): Add 5kf name.
9487 (includes): Includes 5k.md.
9488 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
9489 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
9492 2005-07-29 Diego Novillo <dnovillo@redhat.com>
9495 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
9496 (cleanup_tree_cfg): ... here.
9497 Call cleanup_tree_cfg_1 until there are no more cleanups to
9500 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
9502 * tree-vrp.c (compare_range_with_value): Return true or false
9503 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
9504 EQ_EXPR respectively.
9506 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
9508 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
9511 2005-07-29 Diego Novillo <dnovillo@redhat.com>
9513 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
9514 (tree_ssa_dominator_optimize): Increment it.
9515 (dump_dominator_optimization_stats): Print it.
9517 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
9518 Steven Bosscher <stevenb@suse.de>
9520 PR rtl-optimization/23117
9521 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
9522 when head == tail. Tidy comment.
9524 2005-07-28 Richard Henderson <rth@redhat.com>
9526 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
9527 * cselib.c (rtx_equal_for_cselib_p): Likewise.
9528 * jump.c (rtx_renumbered_equal_p): Likewise.
9529 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
9530 CONST_INT and CONST_DOUBLE.
9531 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
9532 * reload.c (operands_match_p): Special case CONST_INT and
9533 CONST_DOUBLE; check mode earlier.
9535 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9538 * c-typeck.c (convert_for_assignment): Do not check
9539 DECL_IN_SYSTEM_HEADER on NULL fundecl.
9541 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9544 * c-typeck.c (composite_type): Prefer constant size arrays to
9547 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9550 * real.c (real_from_string): Set last bit if there is a nonzero
9551 hex digit beyond GCC's internal precision.
9553 2005-07-28 Richard Henderson <rth@redhat.com>
9556 * cfgcleanup.c (try_forward_edges): Watch out for end of
9559 2005-07-28 James E Wilson <wilson@specifixinc.com>
9562 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
9564 2005-07-28 Jan Hubicka <jh@suse.cz>
9566 * Makefile.in (rtl-profile.o): Kill all traces of it.
9567 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
9568 * coverage.h (rtl_coverage_counter_ref): Kill.
9569 * opts.c (flag_speculative_prefetching_set): Kill.
9570 (flag_loop_optimize_set): New.
9571 (common_handle_option): Disable loop optimizer when profiling;
9572 do not handle speculative prefetching.
9573 * passes.c (init_optimization_passes): Replace pass_profiling combo
9574 by branch_prob pass.
9575 * profile.c (compute_value_histograms): Update for simplified value
9577 (rtl_register_profile_hooks): Kill.
9578 (pass_profiling): Kill.
9579 (rest_of_handle_branch_prob): Do not profile.
9580 * toplev.c (process_options): Remove speculative prefetching.
9581 * toplev.h (flag_tree_based_profiling): Kill.
9582 * tree-profile.c (prepare_instrumented_value,
9583 tree_gen_interval_profiler, tree_gen_pow2_profiler,
9584 tree_gen_one_value_profiler, do_tree_profiling): Update for
9585 simplified datastructures.
9586 * value-prof.c: Add comment that speculative prefetching was dropped;
9587 update rest of file for simplified datastructures.
9588 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9589 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9590 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9591 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9592 rtl_mod_subtract, gen_speculative_prefetch,
9593 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9594 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9595 (gate_handle_value_profile_transformations,
9596 rest_of_handle_value_profile_transformations,
9597 pass_value_profile_transformations): Kill.
9598 * value-prof.h (histogram_value_t): Remove IL based unions.
9599 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9600 rtl_profile_hooks): Remove hooks.
9602 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9604 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9605 (cgraph_clone_node): Likewise.
9606 * cgraph.h (cgraph_clone_edge): Update prototype.
9607 (cgraph_clone_node): Likewise.
9608 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9610 (lookup_recursive_calls): Consider profile.
9611 (cgraph_decide_recursive_inlining): Fix updating; use new
9612 probability argument; use profile.
9613 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9614 * tree-inline.c (copy_bb): Update clal of clone_edge.
9615 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9617 * invoke.texi (min-inline-recursive-probability): Document.
9619 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
9621 * doc/install.texi (Configuration): Update Valgrind homepage.
9623 2005-07-28 Richard Henderson <rth@redhat.com>
9626 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9627 labels we want to delete.
9628 (cfg_layout_merge_blocks): Likewise.
9630 2005-07-28 Richard Henderson <rth@redhat.com>
9633 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9634 when expanding to nothing.
9636 2005-07-28 Josh Conner <jconner@apple.com>
9638 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9639 (cgraph_decide_inlining_of_small_functions): Likewise.
9641 2005-07-28 Josh Conner <jconner@apple.com>
9643 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
9644 direction of badness if negative.
9645 (cgraph_default_inline_p): Add reason to parameters, and assign it
9647 (cgraph_decide_inlining_of_small_functions): New parameter in call
9648 to cgraph_default_inline_p.
9649 (cgraph_decide_inlining_incrementally): Likewise.
9650 * cgraphunit.c (decide_is_function_needed): Likewise.
9651 * cgraph.h (cgraph_default_inline_p): Likewise.
9653 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9655 * builtins.c: Fix comment typo(s).
9656 * genautomata.c: Likewise.
9657 * gimplify.c: Likewise.
9658 * tree-dfa.c: Likewise.
9659 * tree-flow-inline.h: Likewise.
9660 * tree-into-ssa.c: Likewise.
9661 * tree-ssa-alias.c: Likewise.
9662 * tree-ssa-ccp.c: Likewise.
9663 * tree-ssa-copy.c: Likewise.
9664 * tree-ssa-dce.c: Likewise.
9665 * tree-ssa-dom.c: Likewise.
9666 * tree-ssa-operands.c: Likewise.
9667 * tree-tailcall.c: Likewise.
9668 * tree-vectorizer.c: Likewise.
9669 * tree-vrp.c: Likewise.
9672 2005-07-28 Jeff Law <law@redhat.com>
9674 * tree-vrp.c (test_for_singularity): Extracted from ...
9675 (simplify_cond_using_ranges): Attempt to simplify a relational
9676 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
9678 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
9680 PR tree-optimization/22506
9681 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9682 phis whose argument is constant.
9684 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
9686 PR rtl-optimization/18992
9687 Back out this patch:
9688 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9689 PR optimization/12142
9690 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9691 uses of the register in the SET_SRC. Remove unnecessary argument.
9693 Replace it with this:
9694 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9695 if flag_non_call_exceptions is set and the insn may trap, pass
9696 pc_rtx as dest for recursion.
9697 In SET_SRC part of SET case, if dest is already set, pass it down
9700 2005-07-28 Jan Hubicka <jh@suse.cz>
9702 * cfg.c (update_bb_profile_for_threading): Use RDIV.
9703 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9704 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9706 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9707 profile when available.
9709 2005-07-28 Jan Beulich <jbeulich@novell.com>
9711 * config/ia64/ia64.c (ia64_load_pair_ok): New.
9712 (ia64_print_operand): Describe and handle 'X'.
9713 (ia64_register_move_cost): Also handle FP_REGS.
9714 (ia64_preferred_reload_class): Likewise.
9715 (ia64_secondary_reload_class): Likewise.
9716 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9717 it. Also check for ITANIUM_CLASS_FLDP.
9718 * config/ia64/ia64.h (FP_REGNO_P): New.
9719 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9720 (reg_class): Add FP_REGS.
9721 (REG_CLASS_NAMES): Adjust for it.
9722 (REG_CLASS_CONTENTS): Likewise.
9723 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9724 (REG_CLASS_FROM_LETTER): Handle 'x'.
9725 (CLASS_MAX_NREGS): Handle FP_REGS.
9726 (MEMORY_MOVE_COST): Likewise.
9727 * config/ia64/ia64.md (itanium_class): Add fldp.
9728 (type): Handle fldp.
9729 (movti_internal): More allowable operand combinations. Use ldfp8 when
9730 splitting unnecessary. Remove predicable attribute. Adjust
9731 itanium_class attribute.
9732 (smuldi3_highpart): Remove outdated comment.
9733 (mulditi3, umulditi3, rotlti3): New expanders.
9734 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9735 (absti2): Disabled new insn for future reference.
9736 Respective new splitters.
9737 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9738 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9739 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9741 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
9743 PR rtl-optimization/23047
9744 * simplify-rtx.c (simplify_const_relational_operation): Respect
9745 flag_wrapv for comparisons with ABS.
9747 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
9749 PR tree-optimization/22493
9750 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9751 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9753 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
9755 * config/frv/frv.opt (moptimize-membar): New.
9757 * doc/invoke.texi: Document -moptimize-membar and its inverse.
9759 * config/frv/frv.h: Remove machine_function definition.
9761 * config/frv/frv.c (struct frv_io): New.
9762 (struct machine_function): Moved from frv.h. Add has_membar_p.
9763 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9764 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9765 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9766 (frv_optimize_membar_global, frv_optimize_membar): New functions.
9767 (frv_reorg): Call frv_optimize_membar when appropriate.
9768 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9769 (frv_expand_builtin): Adjust calls accordingly.
9770 (frv_io_address_cookie): New function.
9771 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9772 load or store rather than a special insn. Add ccnstant address and
9773 io-type operands to the membar.
9774 (frv_ifcvt_modify_tests): Unsign regno.
9775 (frv_ifcvt_modify_tests): Same.
9777 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
9778 UNSPEC_OPTIONAL_MEMBAR constant.
9779 (builtin_read_<mode>): Delete.
9780 (builtin_write_<mode>): Delete.
9781 ("optional_membar_<mode>"): Add operand.
9783 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9784 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9785 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9786 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9787 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9788 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9789 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9790 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9791 * testsuite/gcc.target/frv/all-read-write-1.c: New.
9793 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
9795 * df.c (df_uses_record): Handle SCRATCH.
9797 2005-07-28 Steven Bosscher <stevenb@suse.de>
9800 * passes.c (rest_of_decl_compilation): If decl is a type and
9801 we have encountered errors, don't emit debug information.
9803 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9805 * params.def: Fixed comment.
9807 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
9810 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9811 (TARGET_ASM_UNALIGNED_HI_OP): Add.
9812 (TARGET_ASM_UNALIGNED_SI_OP): Add.
9814 2005-07-27 Steven Bosscher <stevenb@suse.de>
9817 * varasm.c (assemble_start_function): Don't do anything that may
9818 require a CFG if the current function is a thunk.
9820 2005-07-25 Geoffrey Keating <geoffk@apple.com>
9822 * doc/install.texi (Prerequisites): Mention that perl is needed
9823 to do export control in libstdc++ targetting Darwin.
9825 2005-07-27 Steven Bosscher <stevenb@suse.de>
9827 PR rtl-optimization/17808
9828 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9829 (sched_insns_conditions_mutex_p): Split out from...
9830 (add_dependence): ...here. But don't call it from here.
9831 (add_dependence_list): Check sched_insns_conditions_mutex_p
9832 before calling add_dependence.
9833 (add_dependence_list_and_free): Likewise.
9834 (fixup_sched_groups): Likewise.
9835 (sched_analyze_1): Likewise.
9836 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9837 (sched_analyze): Likewise.
9838 (sched_analyze_insn): Likewise.
9839 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9840 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
9841 dependencies on all COND_EXEC insns to jumps ending basic blocks
9842 when doing intrablock scheduling.
9843 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9845 2005-07-27 Jeff Law <law@redhat.com>
9847 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9848 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
9849 equivalency sets, correctly handle the case were vr0 has an
9850 equivalency set, but vr1 does not.
9852 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
9854 PR tree-optimization/23073
9855 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9856 vect_print_dump_info before fprintf.
9858 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9860 PR tree-optimize/22348
9861 * tree-ssa-loop-niter.c (number_of_iterations_cond):
9862 Fold the partial computation.
9864 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9866 PR tree-optimization/22325
9867 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9869 * tree-scalar-evolution.c (scev_const_prop): Add generic final
9871 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9872 (force_var_cost): ... this function.
9873 (compute_phi_arg_on_exit): Export.
9875 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9877 PR tree-optimization/20773
9878 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9881 2005-07-27 Richard Guenther <rguenther@suse.de>
9883 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9884 Avoid pushing again if current struct contains only
9885 fields we decomposed.
9887 2005-07-27 Jan Hubicka <jh@suse.cz>
9889 PR tree-optimization/22574
9890 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9893 * tree-tailcall.c (decrease_profile): New function.
9894 (eliminate_tail_call): Use it.
9896 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9897 visibility flags correctly in whole program mode.
9899 2005-07-26 Steve Ellcey <sje@cup.hp.com>
9901 PR rtl-optimization/22472
9902 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9904 2005-07-26 Steven Bosscher <stevenb@suse.de>
9906 PR tree-optimization/22504
9907 * tree-complex.c (expand_complex_addition): Use 'code' instead
9908 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9910 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9912 * config.gcc (cpu_type): Add frv case.
9913 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9914 (supported_defaults): Add fr550 case.
9916 2005-07-26 Diego Novillo <dnovillo@redhat.com>
9919 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9920 whether a pointer of type T * may point to objects of type T *.
9922 2005-07-26 DJ Delorie <dj@redhat.com>
9924 * configure: Regenerate.
9926 2005-07-26 Dale Johannesen <dalej@apple.com>
9928 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
9930 2005-07-26 Mark Mitchell <mark@codesourcery.com>
9932 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9933 Clarify use of "build" in name.
9935 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9937 * doc/extend.texi (Raw read/write Functions): New section.
9938 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9939 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9940 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9941 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9942 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9943 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9944 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9945 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9946 * config/frv/frv.c: Add bdesc_loads global.
9947 Add bdesc_stores global.
9948 (frv_init_builtins): Add support for __builtin_{read/write}*.
9949 (frv_volatile_memref): New.
9950 (frv_expand_load_builtin): New.
9951 (frv_expand_store_builtin): New.
9952 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9953 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9954 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9955 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9956 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9957 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9958 (builtin_read_<mode>): New.
9959 (builtin_write_<mode>): New.
9960 (builtin_write64): New.
9961 (optional_membar_<mode>): New.
9963 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
9965 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9966 (rather than units) against HOST_BITS_PER_WIDE_INT.
9968 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
9970 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9971 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9972 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9973 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9976 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9977 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9978 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9980 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9982 2005-07-26 Richard Guenther <rguenther@suse.de>
9984 PR tree-optimization/22486
9985 * fold-const.c (fold_unary): Fold away useless component
9986 references of the form (T *)&T.x, if the address
9989 2005-07-25 James E Wilson <wilson@specifixinc.com>
9991 * dwarf2out.c (add_call_src_coords_attributes): New.
9992 (gen_inlined_subroutine_die): Call it.
9993 (maybe_emit_file, init_file_table): Add comments.
9994 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9996 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9997 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9998 * tree.h (BLOCK_SOURCE_LOCATION): New.
9999 (struct tree_block): New field locus.
10001 2005-07-26 Andreas Schwab <schwab@suse.de>
10003 PR rtl-optimization/23043
10004 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
10005 when allocating a struct unoccr.
10007 2005-07-25 Richard Henderson <rth@redhat.com>
10010 * tree-complex.c (gate_no_optimization): True if errors.
10011 * Makefile.in (tree-complex.o): Update dependencies.
10013 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
10015 * config/frv/predicates.md (integer_register_operand): Use
10016 GPR_AP_OR_PSEUDO_P.
10018 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
10021 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
10023 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
10025 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
10027 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
10028 types when flag_unsafe_math_optimizations is true.
10030 2005-07-25 Mark Mitchell <mark@codesourcery.com>
10032 * gcc.c (option_map): Add --sysroot.
10033 (process_command): Handle --sysroot.
10034 (display_help): Document it.
10035 * doc/cppopts.tex (-isysroot): Document.
10036 * doc/invoke.texi (--sysroot): Document.
10037 * doc/install.texi (--with-build-sysroot): Document.
10039 * Makefile.in (inhibit_libc): New variable.
10040 (INHIBIT_LIBC_CFLAGS): Likewise.
10041 (LIBGCC2_CFLAGS): Include
10042 $(INHIBIT_LIBC_CFLAGS).
10043 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
10044 ($(T)crtbegin.o): Do not use @inhibit_libc@.
10045 ($(T)crtend.o): Likewise.
10046 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
10047 ($(T)crtendS.o): Likewise.
10048 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
10049 ($(T)crtendT.o): Likewise.
10050 (stmp-fixinc): Do not complain about missing headers if
10052 * configure.ac (inhibit_libc): Set it to true/false.
10053 (--with-build-sysroot): New option. Use it to set
10055 * configure: Regenerated.
10057 2005-07-25 Manfred Hollstein <mh@suse.com>
10059 * calls.c (store_one_arg): Fix unsigned comparison warning.
10061 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
10064 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
10065 (ggc_print_statistics): Initialize variable before use.
10067 2005-07-25 Richard Guenther <rguenther@suse.de>
10069 * tree-dfa.c (mark_new_vars_to_rename): Protect against
10070 calling with a PHI_NODE argument.
10072 * tree-flow-inline.h (overlap_subvar): Protect against
10075 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
10077 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
10078 * configure: Regenerate.
10080 2005-07-25 Ira Rosen <irar@il.ibm.com>
10082 * expr.c (highest_pow2_factor): Make extern.
10083 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
10084 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
10085 record_array_differ_p, array_ptr_differ_p): Likewise.
10086 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
10087 additional cases. Call the above functions.
10088 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
10089 base_object_differ_p when there are two base objects. Otherwise, compare
10090 base address and offset. Call may_alias_p.
10091 (dump_data_reference): Use a correct field name.
10092 (analyze_array): Make static. Initialize new data-ref fields.
10093 (analyze_indirect_ref): New function.
10094 (init_data_ref): Initialize new data-ref fields.
10095 (strip_conversion): Moved from tree-vect-analyze.c.
10096 (analyze_offset_expr, get_ptr_offset, address_analysis,
10097 object_analysis): Likewise.
10098 (analyze_offset): New function.
10099 (create_data_ref): Likewise.
10100 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
10101 dimensions for ARRAY_REFs only.
10102 (build_classic_dist_vector): Make static.
10103 (access_functions_are_affine_or_constant_p): Call macro to get the
10104 address of access functions.
10105 (compute_all_dependences): Add new parameter
10106 compute_self_and_read_read_dependences. Compute self and read-read
10107 dependences if it is true.
10108 (find_data_references_in_loop): Call create_data_ref. Initialize new
10110 (compute_data_dependences_for_loop): Add new parameter
10111 compute_self_and_read_read_dependences. Remove parameter nb_loops,
10112 compute nb_loops. Call compute_all_dependences,
10113 build_classic_dist_vector and build_classic_dir_vector with correct
10115 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
10116 with correct parameters. Compare dimensions for ARRAY_REFs only.
10117 (free_data_refs): Call macro to free access functions.
10118 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
10119 fields from stmt_vinfo.
10120 (struct base_object_info): New structure.
10121 (struct data_reference): Move fields to base_object_info. Add fields
10122 first_location and object_info for above structures. Move fields from
10123 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
10124 aligned_to. Add macros to access the new fields.
10125 Update functions declarations.
10126 * tree-flow.h (is_aliased_with): Declare.
10127 * tree-loop-linear.c (linear_transform_loops): Call
10128 compute_data_dependences_for_loop with correct parameters.
10129 * tree-ssa-alias.c (is_aliased_with): New function.
10130 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
10131 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
10132 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
10133 vect_base_addr_differ_p, compute_subscript_distance and
10134 build_classic_dist_vector. Add printings. Check absolute value of
10136 (vect_analyze_data_ref_dependences): Go through ddrs instead of
10138 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
10139 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
10140 to bytes. Add printing.
10141 (vect_compute_data_refs_alignment): Go through loads and stores in one
10143 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
10144 vect_analyze_data_ref_access): Likewise.
10145 (vect_analyze_pointer_ref_access): Remove.
10146 (vect_address_analysis, vect_object_analysis): Likewise.
10147 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
10148 and analyze data-refs in the loop.
10149 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
10150 fields of data-ref instead of stmt. Add init to the offset from the
10152 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
10153 (vect_update_init_of_dr): Likewise.
10154 (vect_update_inits_of_drs): Go through loads and stores in one loop.
10155 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
10157 (new_loop_vec_info): Initialize new fields.
10158 (destroy_loop_vec_info): Free new fields.
10159 (vect_strip_conversion): Remove.
10160 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
10161 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
10162 datarefs. Add new field ddrs.
10163 Add macros for the new fields access.
10164 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
10165 base_aligned_p, misalignment, memtag, ptr_info and subvars.
10166 Remove their macros.
10167 * tree.h (highest_pow2_factor): Declare.
10169 2005-07-25 Jakub Jelinek <jakub@redhat.com>
10171 * calls.c (store_one_arg): Check for sibling call MEM arguments
10172 from already clobbered incoming argument area.
10174 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10176 * c-common.c (check_missing_format_attribute): New.
10177 * c-common.h (check_missing_format_attribute): Likewise.
10178 * c-typeck.c (convert_for_assignment): Use it.
10180 2005-07-24 Andreas Schwab <schwab@suse.de>
10182 * config/m68k/m68k.md ("extendqidi2"): When source is an address
10183 register use a word move. Correct operand of ext.w in 68000 code.
10185 2005-07-23 Mark Mitchell <mark@codesourcery.com>
10187 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
10188 variables as declarations, rather than definitions.
10190 2005-07-24 Ira Rosen <irar@il.ibm.com>
10192 PR tree-optimization/22526
10193 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
10196 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10198 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
10199 that C99 reserve for future use. Use it to define clog10,
10200 clog10f and clog10l.
10202 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10204 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
10205 * configure.ac: Check for -Wmissing-format-attribute.
10207 * configure: Regenerate.
10209 2005-07-23 Richard Henderson <rth@redhat.com>
10211 PR tree-optimization/22623
10212 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
10214 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
10217 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
10219 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10221 * Makefile.in (C_TREE_H): Update dependencies.
10222 * c-tree.h: Include toplev.h.
10223 * diagnostic.h (diagnostic_set_info): Add format attribute.
10224 * rtl-error.c (diagnostic_for_asm): Likewise.
10226 2005-07-23 Chao-ying Fu <fu@mips.com>
10228 * config/mips/mips-dsp.md: New file.
10229 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
10230 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
10232 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
10233 MIPS_BUILTIN_BPOSGE32.
10234 (mips_expand_builtin_direct): Add one parameter to indicate that
10235 builtin functions need to return a value.
10236 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
10238 (mips_regno_to_class): Add classes for 12 new DSP registers.
10239 (mips_subword): Change to check four HI registers.
10240 (mips_output_move): Output move to and from 6 new DSP accumulators.
10241 (override_options): Make sure -mdsp and -mips16 are not used together.
10242 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
10244 (mips_conditional_register_usage): Disable 6 new DSP accumulators
10246 (print_operand): Add 'q' for printing DSP accumulators.
10247 (mips_cannot_change_mode_class): Check ACC_REGS.
10248 (mips_secondary_reload_class): Check ACC_REGS.
10249 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
10250 (mips_register_move_cost): Check ACC_REGS.
10251 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
10252 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
10253 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
10254 (dsp_bdesc): New array.
10255 (bdesc_arrays): Add DSP builtin function table.
10256 (mips_prepare_builtin_arg): Check predicate again after
10258 (mips_expand_builtin): Add one more parameter to
10259 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
10260 MIPS_BUILTIN_BPOSGE32.
10261 (mips_init_builtins): Initialize new function types.
10262 (mips_expand_builtin_direct): Check if builtin functions need to
10263 return a value and pass operands properly.
10264 (mips_expand_builtin_bposge): New function.
10265 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
10266 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
10267 (FIRST_PSEUDO_REGISTER): Increase to 188.
10268 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
10269 Update for 12 new DSP registers.
10270 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
10271 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
10272 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
10273 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
10274 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
10275 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
10276 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
10277 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
10278 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
10279 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
10280 (REGISTER_NAMES): Add names for 12 new DSP registers.
10281 * config/mips/mips.md: Include mips-dsp.md.
10282 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
10283 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
10284 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
10285 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
10286 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
10287 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
10288 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
10289 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
10290 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
10291 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
10292 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
10293 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
10294 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
10295 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
10296 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
10297 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
10298 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
10299 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
10300 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
10301 (UNSPEC_RDDSP): New constants.
10302 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
10303 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
10305 * config/mips/mips.opt (-mdsp): New option.
10306 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
10307 (reg_imm10_operand): New predicates.
10308 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
10309 * doc/invoke.texi (-mdsp): Document new option.
10311 2005-07-22 DJ Delorie <dj@redhat.com>
10313 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
10315 * tree-inline.c (inlinable_function_p): Likewise.
10317 2005-07-22 Mark Mitchell <mark@codesourcery.com>
10320 * toplev.c (check_global_declarations): Do not mark undefined
10321 variables as DECL_IGNORED_P.
10322 * varasm.c (first_global_object_name): GTY it.
10323 (weak_global_object_name): Likewise.
10324 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
10325 a string to go into {weak,first}_global_object_name.
10327 2005-07-22 DJ Delorie <dj@redhat.com>
10329 * c-format.c (check_function_format): Change warning control
10330 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
10332 2005-07-22 Diego Novillo <dnovillo@redhat.com>
10334 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
10335 &PTR->FLD a dereference of PTR.
10336 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
10337 a potential dereference of PTR.
10339 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
10341 PR rtl-optimization/20370
10342 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
10343 call allocate_reg_info if necessary.
10345 PR rtl-optimization/21848
10346 * calls.c (emit_library_call_value_1): For const functions, add
10347 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
10349 PR rtl-optimization/22445
10350 * cselib.c (target.h): Include.
10351 (rtx_equal_for_cselib_p): Allow commutative matches.
10352 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
10353 Remove MODE parameter. Changed all callers.
10355 PR rtl-optimization/22258
10356 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
10358 (try_combine): Use likely_spilled_retval_p.
10360 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
10362 * config.gcc: Add crx-elf support.
10364 * doc/contrib.texi: Mention crx.
10365 * doc/extend.texi: Document crx extensions.
10366 * doc/install.texi: Document crx install.
10367 * doc/invoke.texi: Document crx options.
10368 * doc/md.texi: Document crx constraints.
10370 * config/crx/crx-protos.h: New file.
10371 * config/crx/crx.c: New file.
10372 * config/crx/crx.h: New file.
10373 * config/crx/crx.md: New file.
10374 * config/crx/crx.opt: New file.
10375 * config/crx/t-crx: New file.
10377 2005-07-22 Manfred Hollstein <mh@suse.com>
10379 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
10381 (int_add_graph_edge): Likewise.
10382 (collapse_nodes): Likewise.
10383 (process_unification_queue): Likewise.
10385 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10386 Laurent GUERBY <laurent@guerby.net>
10388 PR tree-optimization/22336
10389 * function.c (record_block_change): Check for
10390 cfun->ib_boundaries_block.
10392 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
10394 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
10395 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
10397 2005-07-21 DJ Delorie <dj@redhat.com>
10399 * toplev.c (warn_deprecated_use): Add warning control to warning
10401 * c-typeck.c (parser_build_binary_op): Likewise.
10402 (c_finish_if_stmt): Likewise.
10403 * c-common.c (check_function_sentinel): Likewise.
10404 (check_nonnull_arg): Likewise.
10406 2005-07-21 Richard Henderson <rth@redhat.com>
10409 * tree-complex.c (complex_ssa_name_components): New.
10410 (cvc_lookup): Allow entry not found.
10411 (create_components): Remove.
10412 (create_one_component_var, get_component_var): New.
10413 (get_component_ssa_name, set_component_ssa_name): New.
10414 (extract_component): Use get_component_ssa_name.
10415 (update_complex_components): Use set_component_ssa_name.
10416 (update_complex_components_on_edge): Likewise.
10417 (update_phi_components): Create new PHI nodes directly, instead
10418 of adding insns to edges.
10419 (tree_lower_complex): Allocate and free complex_variable_components
10420 and complex_ssa_name_components here.
10422 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
10424 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
10425 revert to returning false.
10427 2005-07-21 Uros Bizjak <uros@kss-loka.si>
10430 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
10432 2005-07-21 Uros Bizjak <uros@kss-loka.si>
10435 * config/i386/i386.md (cmpxf): Change operand constraints
10436 to "nonmemory_operand".
10438 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10440 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
10442 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10444 PR middle-end/21180
10445 * fold-const.c (fold_build1): Add checksum for the operands.
10446 (fold_build2): Likewise.
10447 (fold_build3): Likewise.
10449 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10451 PR middle-end/19055
10452 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
10454 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10456 * common.opt (-fforward-propagate): Committed by mistake,
10459 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10461 * reg-stack.c: Fix comment typo(s).
10462 * tree-ssa-operands.c: Likewise.
10463 * tree-vectorizer: Likewise.
10465 2005-07-21 Nick Clifton <nickc@redhat.com>
10467 * config/sh/symbian.c: Replace C++ style line comments with C
10468 style line comments.
10469 (symbian_add_attribute): Do not use a ? operator on the LHS of
10471 (sh_symbian_handle_dll_attribute): Change the type of the
10472 method vector to "VEC(tree,gc)*" and use vector accessor
10473 macros to walk over the elements.
10474 (symbian_export_vtable_and_rtti_p): Likewise.
10475 (symbian_class_needs_attribute_p): Likewise.
10477 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10480 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
10481 initialize targetm.resolve_overloaded_builtin here.
10482 (altivec_expand_overloaded_builtin): Make it non-static.
10483 * config/rs6000/rs6000-protos.h
10484 (altivec_expand_overloaded_builtin): New prototype.
10485 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
10486 targetm.resolve_overloaded_builtin here.
10487 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
10489 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10490 Zdenek Dvorak <dvorakz@suse.cz>
10492 PR tree-optimization/19210
10493 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
10495 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
10496 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
10497 rely on unproven assumptions.
10498 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
10499 * tree-flow.h (number_of_iterations_exit): Add final parameter.
10500 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
10501 to number_of_iterations_exit.
10502 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
10503 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
10504 * tree-ssa-loop-niter.c (find_loop_niter,
10505 estimate_numbers_of_iterations_loop): Likewise.
10506 (number_of_iterations_exit): Honor the new options.
10507 * doc/invoke.texi (Wunsafe-loop-optimizations,
10508 funsafe-loop-optimizations): Document them.
10510 2005-07-21 Richard Sandiford <richard@codesourcery.com>
10512 PR rtl-optimization/22167
10513 * gcse.c (hoist_code): Fix hoist_exprs[] check.
10515 2005-07-20 Adam Nemet <anemet@lnxw.com>
10517 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
10518 __do_global_dtors_aux longcall.
10520 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
10522 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
10523 (old_special_pred_table): Don't reference
10524 SPECIAL_MODE_PREDICATES.
10525 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
10526 * config/arc/arc.h: Don't mention PREDICATE_CODES.
10527 * config/sh/predicates.h: Don't mention
10528 SPECIAL_MODE_PREDICATES.
10529 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
10532 2005-07-20 DJ Delorie <dj@redhat.com>
10534 * config.gcc: Add m32c-elf support.
10536 * doc/contrib.texi: Mention m32c.
10537 * doc/extend.texi: Document m32c extensions.
10538 * doc/install.texi: Mention m32c.
10539 * doc/invoke.texi: Document m32c options.
10540 * doc/md.texi: Document m32c constraints.
10542 * config/m32c/addsub.md: New file.
10543 * config/m32c/bitops.md: New file.
10544 * config/m32c/cond.md: New file.
10545 * config/m32c/jump.md: New file.
10546 * config/m32c/m32c-lib1.S: New file.
10547 * config/m32c/m32c-lib2.c: New file.
10548 * config/m32c/m32c-modes.def: New file.
10549 * config/m32c/m32c-pragma.c: New file.
10550 * config/m32c/m32c-protos.h: New file.
10551 * config/m32c/m32c.abi: New file.
10552 * config/m32c/m32c.c: New file.
10553 * config/m32c/m32c.h: New file.
10554 * config/m32c/m32c.md: New file.
10555 * config/m32c/m32c.opt: New file.
10556 * config/m32c/minmax.md: New file.
10557 * config/m32c/mov.md: New file.
10558 * config/m32c/muldiv.md: New file.
10559 * config/m32c/predicates.md: New file.
10560 * config/m32c/prologue.md: New file.
10561 * config/m32c/shift.md: New file.
10562 * config/m32c/t-m32c: New file.
10564 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10566 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
10567 (stack_protect_set, stack_protect_test): New expanders.
10568 (stack_protect_set_si, stack_protect_set_si_media,
10569 stack_protect_set_di_media, stack_protect_test_si,
10570 stack_protect_test_si_media, stack_protect_test_di_media):
10573 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
10575 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10577 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
10579 * tree.h (tree_expr_nonzero_p): Export.
10580 * fold-const.c (tree_expr_nonzero_p): Likewise.
10581 Return true for CALL_EXPRs that are alloca calls.
10582 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10584 * tree-flow.h (expr_computes_nonzero): Remove.
10585 * tree-vrp.c (expr_computes_nonzero): Remove.
10586 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10587 (extract_range_from_unary_expr): Likewise.
10588 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10589 tree_expr_nonzero_p.
10591 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
10593 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10594 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
10595 extra arg "picreg" and use it instead of pic_offset_table_rtx.
10596 All callers changed.
10597 (frame_related_constant_load): New arg "related" which controls
10598 setting of RTX_FRAME_RELATED_P. All callers changed.
10599 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10600 (bfin_expand_prologue): Add stack limit checking.
10601 * config/bfin/bfin.md (trapifcc): New pattern.
10603 * config/bfin/bfin.c: Include "langhooks.h".
10604 (def_builtin): Go through lang_hooks to call builtin_function.
10606 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10607 * config/bfin/predicates.md (symbol_ref_operand): New.
10608 (call_insn_operand): Delete. All callers changed to use
10609 register_no_elim_operand.
10610 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10612 (function_arg): Use it to generate the call's operand 2.
10613 (bfin_longcall_p): New function.
10614 (bfin_expand_call): Extra arg "cookie". All callers and declaration
10615 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
10616 determine if the address needs to be in a REG.
10617 (bfin_handle_longcall_attribute): New function.
10618 (bfin_attribute_table): Add "longcall" and "shortcall".
10619 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10620 (CUMULATIVE_ARGS): New member call_cookie.
10621 (PREDICATE_CODES): Add symbol_ref_operand.
10622 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10623 extra USE to the pattern.
10624 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10625 New patterns, split off call_insn, sibcall_insn, call_value_insn and
10626 sibcall_value_insn; now the new patterns handle direct calls and the
10627 old ones indirect calls.
10628 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10630 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
10632 * doc/trouble.texi: Update section on handling of empty loops.
10634 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
10636 * config.gcc: Remove support for sparc-*-openbsd*,
10637 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10639 * config.host: Remove support for i860-*-sysv4* as a host.
10640 * config/i860/*, config/ip2k/*, config/ns32k/*,
10641 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10642 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10643 mention obsolete ports.
10645 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10647 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10648 soft frame pointer.
10649 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10650 of frame_pointer_rtx.
10651 (sh_expand_epilogue): Likewise.
10652 (sh_set_return_address): Likewise.
10653 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10654 instead of FRAME_POINTER_REGNUM if needed. Add elimination
10655 offsets from FRAME_POINTER_REGNUM.
10656 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10657 (sh_register_names): Add initializer for sfp.
10658 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10659 (VALID_REGISTER_P): Likewise.
10660 (FIRST_PSEUDO_REGISTER): Update.
10661 (DWARF_FRAME_REGISTERS): Define.
10662 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10663 (HARD_FRAME_POINTER_REGNUM): Define.
10664 (FRAME_POINTER_REGNUM): Redefine.
10665 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10666 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
10667 from FRAME_POINTER_REGNUM.
10668 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10669 FRAME_POINTER_REGNUM.
10670 (REG_CLASS_CONTENTS): Add sfp.
10671 (REG_ALLOC_ORDER): Likewise.
10672 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
10673 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10674 of frame_pointer_rtx.
10675 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10677 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
10679 * fold-const.c (tree_expr_nonnegative_p): Only return true for
10680 ABS_EXPR when flag_wrapv is false because of INT_MIN.
10681 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10683 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10686 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
10688 Make CONSTRUCTOR use VEC to store initializers.
10689 * c-common.c (complete_array_type): Update to cope with VEC in
10691 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10692 (pp_c_constructor_elts): New function.
10693 * c-pretty-print.h (pp_c_constructor_elts): Declare.
10694 * c-typeck.c (build_function_call, build_c_cast, digest_init,
10695 struct constructor_stack, struct initializer_stack,
10696 constructor_elements, push_init_level, pop_init_level,
10697 add_pending_init, find_init_member, output_init_element): Update to
10698 cope with VEC in CONSTRUCTOR_ELTS.
10699 * coverage.c (build_fn_info_value, build_ctr_info_value,
10700 build_gcov_info): Likewise.
10701 * expr.c (categorize_ctor_elements_1, store_constructor,
10702 expand_expr_real_1): Likewise.
10703 * fold-const.c (fold_ternary): Likewise.
10704 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10705 gimplify_init_constructor, gimplify_expr): Likewise.
10706 * tree-dump.c (dequeue_and_dump): Likewise.
10707 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10709 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10711 * tree-sra.c (generate_element_init_1): Likewise.
10712 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10713 * tree-ssa-operands.c (get_expr_operands): Likewise.
10714 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10715 * tree-vect-transform.c (vect_get_vec_def_for_operand):
10716 (get_initial_def_for_reduction): Likewise.
10717 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10718 value handle in annotations.
10719 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10720 tree_node_structure): Add support for constr_kind.
10721 (build_vector_from_ctor, build_constructor_single,
10722 build_constructor_from_list): New functions.
10723 (build_constructor): Update to take a VEC instead of a TREE_LIST.
10724 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10725 Update to cope with VEC in CONSTRUCTOR_ELTS.
10726 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10727 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10728 CONSTRUCTOR_APPEND_ELT): New macros.
10729 (struct constructor_elt, struct tree_constructor): New data types.
10730 (union tree_node): Add tree_constructor field.
10731 * treestruct.def: Define TS_CONSTRUCTOR.
10732 * varasm.c (const_hash_1, compare_constant, copy_constant,
10733 compute_reloc_for_constant, output_addressed_constants,
10734 initializer_constant_valid_p, output_constant,
10735 array_size_for_constructor, output_constructor): Update to cope with
10736 VEC in CONSTRUCTOR_ELTS.
10737 * vec.h (VEC_empty, VEC_copy): New macros.
10739 2005-07-19 Devang Patel <dpatel@apple.com>
10741 * dbxout.c (dbxout_type): Check Objective-C++ lang.
10743 2005-07-19 Richard Henderson <rth@redhat.com>
10746 * gimplify.c (gimplify_expr): Use main variant type for the temp
10747 destination for a discarded volatile read.
10748 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10749 casts between non-void types that change volatility.
10751 2005-07-15 DJ Delorie <dj@redhat.com>
10753 * toplev.h: Add comment about the first parameter for warning().
10754 * errors.h: Likewise.
10756 * c.opt (Wpragmas): New.
10757 * doc/invoke.texi: Document it.
10759 * function.c (do_warn_unused_parameter): Add warning control to
10761 * c-decl.c (warn_if_shadowing): Likewise.
10762 * c-lex.c (cb_def_pragma): Likewise.
10763 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10764 (pop_alignment): Likewise.
10765 (handle_pragma_pack): Likewise.
10766 (apply_pragma_weak): Likewise.
10767 (handle_pragma_weak): Likewise.
10768 (handle_pragma_redefine_extname): Likewise.
10769 (add_to_renaming_pragma_list): Likewise.
10770 (handle_pragma_extern_prefix): Likewise.
10771 (maybe_apply_renaming_pragma): Likewise.
10772 (handle_pragma_visibility): Likewise.
10774 * config/c4x/c4x-c.c (BAD): Likewise.
10775 (c4x_parse_pragma): Likewise.
10776 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10777 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10778 (rs6000_pragma_longcall): Likewise.
10779 * config/v850/v850-c.c (pop_data_area): Likewise.
10780 (ghs_pragma_section): Likewise.
10781 (ghs_pragma_section): Likewise.
10782 (ghs_pragma_interrupt): Likewise.
10783 (ghs_pragma_starttda): Likewise.
10784 (ghs_pragma_startsda): Likewise.
10785 (ghs_pragma_startzda): Likewise.
10786 (ghs_pragma_endtda): Likewise.
10787 (ghs_pragma_endsda): Likewise.
10788 (ghs_pragma_endzda): Likewise.
10790 2005-07-19 Danny Berlin <dberlin@dberlin.org>
10791 Kenneth Zadeck <zadeck@naturalbridge.com>
10793 * Makefile.in: Removed tree-promote-statics.c
10794 * tree-promote-statics.c: Removed.
10795 * common.opt: Removed flag-promote-statics.
10797 * passes.c: Removed tree-promote-statics pass.
10798 * tree-pass.h: Ditto.
10799 * timevar.def: Removed TV_PROMOTE_STATICS.
10802 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
10804 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10806 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10808 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10811 * c-common.c (check_function_arguments): Call
10812 'check_function_format' if either -Wformat or
10813 -Wmissing-format-attribute are specified.
10814 * c-format.c (check_function_format): Check -Wformat before
10815 calling 'check_format_info'.
10816 * c-opts.c (c_common_post_options): Don't warn for
10817 -Wmissing-format-attribute without -Wformat.
10818 * c-typeck.c (convert_for_assignment): Detect additional cases for
10819 -Wmissing-format-attribute.
10820 * doc/invoke.texi (-Wmissing-format-attribute): Document new
10823 2005-07-19 Richard Guenther <rguenther@suse.de>
10825 * config/i386/i386.md (lrint<mode>2): Use temporary
10826 instead of clobbering non-existent memory.
10828 2005-07-19 Nick Clifton <nickc@redhat.com>
10830 * config/avr/avr.c (legitimate_address_p): Fix debugging print
10831 statement to avoid displaying ASCII control characters.
10833 2005-07-19 Ben Elliston <bje@au.ibm.com>
10835 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10836 * cfganal.c (find_edge_index): Ditto.
10837 * combine.c (combine_instructions): Ditto.
10838 * ddg.c (create_scc): Ditto.
10839 (find_successors): Ditto.
10840 (find_predecessors): Ditto.
10841 (find_nodes_on_paths): Ditto.
10842 (longest_simple_path): Ditto.
10843 * flow.c (update_life_info): Ditto.
10844 (count_or_remove_death_notes): Ditto.
10845 (clear_log_links): Ditto.
10846 * modulo-sched.c (generate_reg_moves): Ditto.
10847 (find_max_asap): Ditto.
10848 (find_max_hv_min_mob): Ditto.
10849 (find_max_dv_min_mob): Ditto.
10850 * sbitmap.c (sbitmap_first_set_bit): Ditto.
10851 * sched-rgn.c (extract_edgelst): Ditto.
10852 * tree-into-ssa.c (prepare_names_to_update): Ditto.
10853 (dump_update_ssa): Ditto.
10854 (ssa_names_to_replace) Ditto.
10855 (switch_virtuals_to_full_rewrite): Ditto.
10856 (update_ssa): Ditto.
10857 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10859 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
10861 Fix PR tree-optimization/22483
10863 * tree-complex.c (create_components): Use
10864 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10865 * tree-flow-inline.h (fill_referenced_var_vec): New function.
10866 * tree-flow.h (safe_referenced_var_iterator): New structure.
10867 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10868 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10869 safe_referenced_var iterator.
10870 (add_type_alias): Ditto.
10872 2005-07-19 Steven Bosscher <stevenb@suse.de>
10874 * loop-init.c (rest_of_handle_loop2): Remove.
10875 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10876 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10877 (pass_rtl_loop_init, pass_rtl_loop_done,
10878 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10879 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10880 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10881 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10882 pass_tree_loop_done, and pass_tree_unswitch.
10883 (gate_loop): Rename to gate_tree_loop.
10884 * passes.c (init_optimization_passes): Update for renamed tree
10885 loop passes. Add the new loop2 passes as subpasses of loop2.
10886 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10887 Update for the renamed tree loop passes.
10889 2005-07-18 Ian Lance Taylor <ian@airs.com>
10891 PR middle-end/22057
10892 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10893 blocks when optimizing.
10895 2005-07-18 Steve Ellcey <sje@cup.hp.com>
10897 * common.opt (frename-registers): Initialize to 2.
10899 (fgcse-after-reload): Ditto.
10900 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10901 (process_options): Only change flag_web, flag_rename_registers,
10902 and flag_rerun_cse_after_loop if not explicitly set by user.
10904 2005-07-18 Jan Beulich <jbeulich@novell.com>
10906 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10907 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10908 in 64-bit mode the same as DImode in 32-bit mode.
10909 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10910 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10911 mode. Add new mode parameter.
10912 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10913 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10914 x86_64_shift_adj): New expanders.
10915 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10916 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10918 Respective new splitters. Use renamed shift splitter helpers in 32-bit
10919 DImode shift splitters.
10920 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10921 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10924 2005-07-18 Jan Beulich <jbeulich@novell.com>
10926 * i386.md (movdi_extzv_1): New.
10927 (zero_extendhidi2): Combine alternatives and never force use of
10929 (zero_extendqidi2): Likewise. Don't restrict input selection.
10931 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10933 Fix PR tree-optimization/22531
10934 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
10937 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10939 * tree-promote-statics.c (pass_promote_statics): Change dump file
10942 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10944 * tree-optimize.c (init_tree_optimization_passes): Add
10945 pass_eliminate_useless_stores pass.
10946 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10947 * tree-ssa-pre.c (is_copy_stmt): New function.
10948 (follow_copies_till_vuse): Ditto.
10949 (do_eustores): Ditto.
10950 (gate_eustores): Ditto.
10952 2005-07-16 Richard Henderson <rth@redhat.com>
10954 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10956 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10957 Kenneth Zadeck <zadeck@naturalbridge.com>
10959 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10960 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10961 ipa-type-escape.h, tree-promote-statics.c
10962 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10963 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10964 tree-promote-statics.c: new files.
10965 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10966 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10967 int nonlocal_set_p, mark_constant_function): Deleted.
10968 (rest_of_handle_cfg): Removed call to mark_constant_function.
10969 (nonoverlapping_component_refs_p): Added calls to support
10970 type based aliasing.
10971 * tree-ssa-alias.c (may_alias_p,
10972 compute_flow_insensitive_aliasing): Ditto.
10973 * calls.c (flags_from_decl_or_type): Removed reference to
10975 * c-typeck.c (convert_arguments): Make builtins tolerant of having
10976 too many arguments. This is necessary for Spec 2000.
10977 * cgraph.h (const_function, pure_function): Removed.
10978 * common.opt: Added "fipa-pure-const", "fipa-reference",
10979 "fipa-type-escape", and "ftree-promote-static".
10981 * passes.c: Added ipa and tree-promote-statics passes.
10982 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10983 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10984 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10985 * tree-flow.h: Added exposed sra calls and addition of
10986 reference_vars_info field for FUNCTION_DECLS.
10987 * tree-pass.h: Added passes.
10988 * tree-sra.c: (sra_init_cache): New function.
10989 (sra_insert_before, sra_insert_after) Made public.
10990 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10992 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10993 aliasing. (may_alias_p): Added code to use type escape analysis to
10994 improve alias sets.
10995 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10996 code to prune clobbers of static variables based on information
10997 produced in ipa-reference pass. Changed call clobbering so that
10998 statics are not marked as clobbered if the call does not clobber
11001 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
11003 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
11006 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11008 * doc/install.texi (*-*-solaris2*): Document recommended version
11009 of GNU binutils and mention GNU linker problem on Solaris 10.
11011 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
11014 * c-decl.c (c_build_bitfield_integer_type): New function.
11015 (finish_struct): Call it.
11016 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
11018 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11020 * c-typeck.c (digest_init): Call 'convert_for_assignment'
11023 2005-07-16 Jan Hubicka <jh@suse.cz>
11025 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
11026 (scale_bbs_frequencies_int): Watch roundoff errors.
11027 * predict.c (return_prediction): Initialize return_stmt.
11029 2005-07-16 Jan Hubicka <jh@suse.cz>
11031 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
11032 after RTL profiling.
11034 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
11036 PR middle-end/22398
11037 * fold-const.c (build_range_check): Convert high/low to etype
11038 if we are only comparing against exp.
11040 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
11042 Fix PR tree-optimization/22376
11043 * tree-ssa-structalias.c (build_constraint_graph): We really meant
11045 (need_to_solve): New function.
11046 (compute_points_to_sets): Use it.
11048 2005-07-15 Jan Hubicka <jh@suse.cz>
11050 * cfg.c (update_bb_profile_for_threading): More diagnostic.
11051 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
11053 2005-07-15 Richard Guenther <rguenther@suse.de>
11055 * c-common.c (handle_flatten_attribute): New function.
11056 Add flatten function attribute.
11057 * doc/extend.texi: Document flatten function attribute.
11058 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
11059 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
11061 (cgraph_decide_inlining): Handle functions with flatten
11064 2005-07-14 David Edelsohn <edelsohn@gnu.org>
11066 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
11067 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
11068 UNSPEC_XCHG, UNSPEC_AND): New.
11069 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
11070 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
11071 * config/rs6000/sync.md (FETCHOP): New code macro.
11072 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
11074 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
11075 (sync_compare_and_swap<mode>): Same.
11076 (sync_lock_test_and_set<mode>): Same.
11077 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
11078 for QImode and HImode, and not PPC405.
11079 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
11080 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
11081 (sync_<fetchop>{si,di}_internal): New.
11082 (sync_nand{si,di}_internal): New.
11083 (sync_old_<fetchop>{si,di}_internal): New.
11084 (sync_old_nand{si,di}_internal): New
11085 (sync_new_<fetchop>{si,di}_internal): New.
11086 (sync_new_nand{si,di}_internal): New.
11087 (atomic_and{si,di}): New.
11088 (sync_new_nand{si,di}_internal): New.
11089 (atomic_and{si,di}): New.
11090 (sync_add<mode>_internal): Delete.
11091 (sync_addshort_internal): Use unspec instead of unspec_volatile.
11092 (sync_sub<mode>_internal): Delte.
11093 (sync_subshort_internal): New.
11094 (sync_andsi_internal): Use unspec instead of unspec_volatile.
11095 (sync_anddi_internal): Delete.
11096 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
11097 (sync_booldi_internal): Delete.
11098 (sync_boolc<mode>_internal): Delete.
11099 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
11100 (sync_boolc<mode>_internal2): Delete.
11101 (sync_boolcc<mode>_internal): Delete.
11102 (isync, lwsync): Use unspec instead of unspec_volatile.
11103 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
11104 Revert UNSPEC_VOLATILE.
11105 (rs6000_split_atomic_op): New.
11106 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
11108 2005-07-14 Eric Christopher <echristo@redhat.com>
11110 * config/mips/mips.c (mips_canonicalize_comparison): Cast
11111 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
11113 2005-07-14 Eric Christopher <echristo@redhat.com>
11115 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
11117 2005-07-14 Steven Bosscher <stevenb@suse.de>
11119 PR tree-optimization/22230
11120 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
11121 the computation of the four cross productions for "range op range".
11123 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
11124 Ulrich Weigand <uweigand@de.ibm.com>
11127 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
11130 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
11132 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
11134 2005-07-14 Steve Ellcey <sje@cup.hp.com>
11136 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
11138 2005-07-14 Richard Guenther <rguenther@suse.de>
11140 PR middle-end/22347
11141 * config/i386/i386-protos.h (ix86_function_value): Change
11142 prototype to match new target hook.
11143 * config/i386/i386.c (ix86_value_regno): Change prototype
11144 to take extra type argument.
11145 (TARGET_FUNCTION_VALUE): Define.
11146 (ix86_function_ok_for_sibcall): Pass extra argument to
11147 ix86_value_regno, check return slot rtx for exact match.
11148 (ix86_function_value): Take extra parameter. Dispatch to
11149 ix86_value_regno with fndecl/fntype as provided.
11150 (ix86_value_regno): Handle extra type argument.
11151 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
11153 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
11154 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
11155 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
11156 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
11157 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
11159 2005-07-14 Richard Guenther <rguenther@suse.de>
11161 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
11162 * calls.c (expand_call): Pass fntype to hard_function_value.
11163 (emit_library_call_value_1): Likewise.
11164 * explow.c: Include target.h.
11165 (hard_function_value): Take extra argument, the fntype.
11166 Use new target hook for function_value.
11167 * expr.h (hard_function_value): Change prototype.
11168 * function.c (aggregate_value_p): Pass 0 as fntype to
11169 hard_function_value.
11170 (assign_parms): Use new target hook for function_value.
11171 Pass 0 as fntype to hard_function_value.
11172 (expand_function_end): Likewise.
11173 * reg-stack.c: Include target.h.
11174 (stack_result): Use new target hook for function_value.
11175 * target-def.h: New target hook function_value.
11176 * target.h: Likewise.
11177 * targhooks.c (default_function_value): New function.
11178 * targhooks.h (default_function_value): Declare.
11180 2005-07-13 Ian Lance Taylor <ian@airs.com>
11182 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
11184 2005-07-14 Jan Hubicka <jh@suse.cz>
11186 * tree-dfa.c (dump_variable): Use default_def function.
11187 * tree-ssa-alias.c (dump_points_to_info): Likewise.
11188 * tree-ssa.c (verify_use): Likewise.
11189 * tree-ssanames.c (release_ssa_name): Likewise.
11190 * tree-tailcall.c (eliminate_tail_call): Likewise.
11191 (tree_optimize_tail_calls_1): Likewise.
11192 * tree-vrp.c (get_value_range): Likewise.
11194 2005-07-14 Ben Elliston <bje@au.ibm.com>
11196 * gcc.c (main): Compare language[0] with '*' when iterating over
11199 2005-07-13 Adrian Straetling <straetling@de.ibm.com>
11201 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
11202 "s390_emit_compare". Add handling of CCZ1mode.
11203 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
11204 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
11206 (s390_branch_condition_mask): Add CCZ1mode handling.
11207 * config/s390/s390.md: ("seq", "*seq"): New pattern.
11208 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
11209 Use CCZ1mode instead of CCZmode.
11210 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
11212 2005-07-13 Adrian Straetling <straetling@de.ibm.com>
11214 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
11216 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
11218 2005-07-13 Eric Christopher <echristo@redhat.com>
11220 * config/mips/mips.c (mips_canonicalize_comparison): New.
11221 (mips_emit_int_relational): Use.
11223 2005-07-13 Eric Christopher <echristo@redhat.com>
11225 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11226 static extra parts.
11227 * config/s390/s390.md: Include tpf.md. Move tpf specific
11229 * config/s390/tpf.md: To here.
11230 * config/s390/s390.opt: Move tpf specific options...
11231 * config/s390/tpf.opt: to here. Add mmain option.
11232 * config/s390/tpf-unwind.h: Remove unnecessary defines.
11233 * config/s390/tpf.h: Rewrite.
11235 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
11237 * doc/tm.texi: Remove @xref{Cross-profiling}.
11239 2005-07-13 Jeff Law <law@redhat.com>
11241 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
11242 expressions, test their _DECL operands for pointer equality rather
11243 than using operand_equal_p.
11245 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
11247 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
11248 (TARGET_POSIX_IO): This.
11249 * config/darwin.h: Likewise.
11250 * config/freebsd.h: Likewise.
11251 * config/linux.h: Likewise.
11252 * config/lynx.h: Likewise.
11253 * config/netbsd.h: Likewise.
11254 * config/rs6000/linux64.h: Likewise.
11255 * config/rs6000/linux.h: Likewise.
11256 * config/s390/tpf.h: Likewise.
11257 * config/sh/embed-elf.h: Likewise.
11258 * config/sparc/linux64.h: Likewise.
11259 * config/sparc/linux.h: Likewise.
11260 * config/svr4.h: Likewise.
11261 * gcov-io.h: Likewise.
11263 * doc/tm.texi: Updated.
11265 * libgcov.c (create_file_directory): Defined only if
11266 TARGET_POSIX_IO is defined.
11267 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
11270 2005-07-13 Jan Hubicka <jh@suse.cz>
11272 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
11274 2005-07-13 David Edelsohn <edelsohn@gnu.org>
11276 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
11277 structure as argument.
11279 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
11281 PR tree-optimization/21921
11282 * tree-iterator.c (tsi_link_before): Support the case when
11283 tsi_end_p (tsi) == true.
11285 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11287 PR tree-optimization/22442
11288 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
11291 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11293 PR rtl-optimization/20376
11294 * toplev.c (process_options): Enable -fweb and -frename-registers when
11296 * doc/invoke.texi: Update the information about when -fweb and
11297 -frename-registers are enabled.
11299 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11302 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
11303 if *rhs_p is not a SSA_NAME.
11305 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
11307 Fix PR tree-optimization/22422
11308 * tree-ssa-structalias.c (struct variable_info): Add flag for
11310 (get_varinfo): Now a static function.
11311 (new_varinfo): init has_union and is_special_var to false.
11312 (solution_set_add): Check has_union.
11313 (do_da_constraint): Move temporary variable so it gets reset
11315 Also check for special variable.
11316 (do_ds_constraint): Ditto.
11317 (do_sd_constraint): Ditto.
11318 (do_structure_copy): Check for special variable.
11319 (find_func_aliases): Ditto.
11320 (init_base_vars): Set special vars properly.
11322 2005-07-13 Jan Hubicka <jh@suse.cz>
11324 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
11327 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
11328 (get_expr_operands): Fix thinko wrt flags and subvars.
11330 PR tree-optimize/22379
11331 * tree-inline.c (expand_call_inline): Do not output sorry in early
11334 2005-07-12 Dale Johannesen <dalej@apple.com>
11336 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
11338 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11341 * host-linux.h: Include limits.h.
11343 2005-07-12 Dale Johannesen <dalej@apple.com>
11345 * expr.c (compress_float_constant): Add cost check.
11346 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
11348 2005-07-12 Dale Johannesen <dalej@apple.com>
11350 * gcc.target/i386/compress-float-sse.c: New.
11351 * gcc.target/i386/compress-float-sse-pic.c: New.
11352 * gcc.target/i386/compress-float-387.c: New.
11353 * gcc.target/i386/compress-float-387-pic.c: New.
11354 * gcc.dg/compress-float-ppc.c: New.
11355 * gcc.dg/compress-float-ppc-pic.c: New.
11357 2005-07-12 Eric Christopher <echristo@redhat.com>
11359 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11360 static extra parts.
11361 * config/s390/s390.md: Include tpf.md. Move tpf specific
11363 * config/s390/tpf.md: To here.
11364 * config/s390/s390.opt: Move tpf specific options...
11365 * config/s390/tpf.opt: to here. Add mmain option.
11366 * config/s390/tpf-unwind.h: Remove unnecessary defines.
11367 * config/s390/tpf.h: Rewrite.
11369 2005-07-12 Eric Christopher <echristo@redhat.com>
11371 * gcc.c (struct infile): Update comment for language.
11372 (main): Rewrite input file resetting code.
11374 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11377 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
11378 requiring a cast in a non RHS of modify_expr. Add a cast when required.
11379 (lookup_avail_expr): Use constant_boolean_node instead
11380 of boolean_false_node/boolean_true_node.
11382 2005-07-12 Ben Elliston <bje@au.ibm.com>
11384 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
11385 and use it when printing num_edges.
11387 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
11389 * doc/extend.texi (Blackfin Built-in Functions): New section.
11390 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
11393 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
11395 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
11396 s/cmpstrsi/cmpstrnsi
11397 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
11399 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
11400 (init_optabs): Initialize cmpstrn_optab.
11401 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
11402 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
11403 * expr.c: (enum insn_code cmpstrn_optab): Declare.
11404 * config/i386/i386.md: s/cmpstr/cmpstrn
11405 * config/c4x/c4x.md: s/cmpstr/cmpstrn
11406 * doc/md.texi: Update documentation.
11408 2005-07-11 Richard Henderson <rth@redhat.com>
11410 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
11411 build_va_arg_indirect_ref.
11412 (alpha_gimplify_va_arg): Likewise.
11413 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
11414 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11415 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
11416 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
11417 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11418 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
11420 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11422 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11424 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
11425 * passes.c (init_optimization_passes): Add pass_empty_loop.
11426 * tree-pass.h (pass_empty_loop): Declare.
11427 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
11428 try_remove_empty_loop, remove_empty_loops): New functions.
11429 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
11430 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
11432 2005-07-12 Peter Barada <peter@the-baradas.com>
11434 PR middle-end/16719
11435 PR middle-end/18421
11436 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
11437 in address registers.
11438 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
11439 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
11440 alternative of addsi3_5200.
11442 2005-07-11 Ian Lance Taylor <ian@airs.com>
11444 * config/mips/mips.md (ffs<mode>2): Remove.
11446 2005-07-11 Ian Lance Taylor <ian@airs.com>
11448 * doc/tree-ssa.texi (Cleanups): Improve description of
11450 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
11452 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
11454 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
11455 * tree.h (DECL_ARGUMENT_FLD): New macro.
11457 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
11459 Fix PR tree-optimization/22404
11461 * tree-ssa-structalias.c (create_variable_info_for): Use
11464 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
11466 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
11467 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
11468 for second comparison operand.
11469 * config/bfin/predicates.md (reg_or_const_int_operand): New.
11471 * config/bfin/bfin.md (define_attr "type"): Add "sync".
11472 (define_insn_reservation "alu"): Likewise.
11473 (csync, ssync): Now of type sync.
11474 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
11475 -mcsync-anomaly -mspecld-anomaly.
11476 * config/bfin/bfin.opt (mcsync): Remove.
11477 (mcsync-anomaly, mspecld-anomaly): Add.
11478 * config/bfin/bfin.c: Include "insn-codes.h".
11479 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
11480 (TARGET_DEFAULT_TARGET_FLAGS): New.
11481 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
11483 2005-07-11 Steven Bosscher <stevenb@suse.de>
11485 * basic-block.h: Give the BB flags enum a name, bb_flags.
11486 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
11487 * cfgcleanup.c (enum bb_flags): Remove here.
11488 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
11489 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
11490 (update_forwarder_flag): Likewise.
11491 (thread_jump): Likewise.
11492 (try_forward_edges): Likewise.
11493 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
11494 forwarder flags. Don't clear bb->aux for all basic blocks. Only
11495 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
11497 2005-07-11 Richard Guenther <rguenther@suse.de>
11499 * config/i386/i386.opt: New target option -msseregparm.
11500 * config/i386/i386.c (override_options): Error out for
11501 -msseregparm but no SSE support.
11502 (ix86_function_sseregparm): Check for global sseregparm.
11503 * doc/invoke.texi: Document -msseregparm.
11505 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11507 * config.gcc (m32r-*-linux*): Use the default extra_parts.
11508 (m32rle-*-linux*): Ditto.
11510 2005-07-11 Jakub Jelinek <jakub@redhat.com>
11512 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
11513 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
11516 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11518 PR middle-end/22239
11520 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
11521 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
11523 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
11525 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
11526 (varmap): Heapify varmap.
11527 (constraints): Heapify constraints.
11528 (struct constraint_graph): Heapify succs and preds.
11529 (constraint_vec_find): Update for heapification.
11530 (constraint_set_union): Ditto.
11531 (insert_into_complex): Ditto.
11532 (constraint_edge_vec_find): Ditto.
11533 (erase_graph_self_edge): Ditto.
11534 (add_graph_edge): Ditto.
11535 (get_graph_weights): Ditto.
11536 (merge_graph_nodes): Ditto.
11537 (build_constraint_graph): Ditto.
11538 (topo_visit): Ditto.
11539 (solve_graph): Ditto.
11540 (create_variable_info_for): Ditto.
11541 (init_base_vars): Ditto.
11542 (delete_points_to_sets): Free graph, varmap, and complex constraints.
11543 (condese_varmap_nodes): Free complex vector.
11544 (clear_edges_for_node): Clear succs and preds vector.
11546 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
11548 * tree-ssa-structalias.c (update_alias_info): Change counting of
11549 references to not include vdefs.
11551 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
11553 * tree-ssa-alias.c (free_used_part_map): Add missing free.
11554 (up_insert): Ditto.
11556 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11558 * pa.c (pa_commutative_p): Make PLUS commutative when
11559 TARGET_NO_SPACE_REGS is true.
11561 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11563 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
11564 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
11565 * tree-dfa.c (dump_subvars_for): New.
11566 (debug_subvars_for): New.
11567 (dump_variable): Show subvariables if VAR has them.
11568 * tree-flow-inline.h (get_subvar_at): New.
11569 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
11570 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
11572 (struct subvar): Change fields offset and size to unsigned
11574 (dump_subvars_for): Declare.
11575 (debug_subvars_for): Declare.
11576 (get_subvar_at): Declare.
11577 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11578 to unsigned HOST_WIDE_INT *.
11579 (overlap_subvar): Likewise.
11580 * tree-gimple.c (is_gimple_reg): Always return false for
11581 SFTs and memory tags.
11582 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11583 Update all callers.
11584 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11585 (compute_may_aliases): Call compute_points_to_sets.
11586 (collect_points_to_info_for): Remove.
11587 (compute_points_to_and_addr_escape): Remove.
11588 (delete_alias_info): Call delete_points_to_sets.
11589 (compute_flow_sensitive_aliasing): If the call to
11590 find_what_p_points_to returns false, call set_pt_anything.
11591 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11592 (set_pt_anything): Clear pi->pt_vars.
11593 (set_pt_malloc): Remove.
11594 (merge_pointed_to_info): Remove.
11595 (add_pointed_to_expr): Remove.
11596 (add_pointed_to_var): Remove.
11597 (collect_points_to_info_r): Remove.
11598 (is_escape_site): Make extern.
11600 (create_overlap_variables_for): Call it.
11601 * tree-ssa-copy.c (merge_alias_info): Never merge
11602 flow-sensitive alias information.
11603 * tree-ssa-operands.c (get_expr_operands): Adjust variables
11604 offset and size to be unsigned HOST_WIDE_INT.
11605 (add_to_addressable_set): Rename from note_addressable.
11606 Set TREE_ADDRESSABLE as the variables are added to the set.
11608 (add_stmt_operand): Do not try to micro-optimize unmodifiable
11609 operands into VUSEs when adding V_MAY_DEFs for members in an
11611 * tree-ssa-operands.h (add_to_addressable_set): Declare.
11612 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11613 (struct variable_info): Add bitfield is_heap_var.
11614 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11615 (new_var_info): Initialize is_heap_var.
11616 (get_constraint_for): Add HEAP variables to the symbol table.
11617 Mark them with is_heap_var.
11618 (update_alias_info): New. Taken mostly from the old
11619 compute_points_to_and_addr_escape.
11620 (handle_ptr_arith): New.
11621 (find_func_aliases): Call update_alias_info.
11622 Call handle_ptr_info for tcc_binary expressions.
11623 Call mark_stmt_modified.
11624 (create_variable_info_for): If DECL has subvars, do not create
11625 variables for its subvars. Always add all the fields.
11626 (set_uids_in_ptset): If the solution includes ANYOFFSET and
11627 SFTs, then add all the SFTs of the structure.
11628 If VI->DECL is an aggregate with subvariables, add the SFT at
11630 (find_what_p_points_to): If VI is an artificial variable,
11631 translate to bitfields in SSA_NAME_PTR_INFO.
11632 If the solution is empty, set pi->pt_vars to NULL
11633 (init_base_vars): Create ANYOFFSET.
11634 (compute_points_to_sets): Rename from create_alias_vars.
11636 (pass_build_pta): Remove.
11637 (delete_points_to_sets): Rename from delete_alias_vars.
11638 (pass_del_pta): Remove.
11639 * tree-ssa-structalias.h (struct alias_info): Move from
11641 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11642 NUM_REFERENCES_SET): Likewise.
11643 (compute_points_to_sets, delete_points_to_sets): Declare.
11645 2005-07-09 Richard Henderson <rth@redhat.com>
11647 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11648 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11649 alpha_split_lock_test_and_set_12): New functions.
11650 * config/alpha/alpha-protos.h: Update.
11651 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11652 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11653 * config/alpha/sync.md (I12MODE): New.
11654 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11655 (sync_<fetchop_name><I48MODE>): Likewise.
11656 (sync_nand<I48MODE>): Likewise.
11657 (sync_old_<fetchop_name><I48MODE>): Likewise.
11658 (sync_new_<fetchop_name><I48MODE>): Likewise.
11659 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11660 (sync_compare_and_swap<I48MODE>): Likewise.
11661 (sync_lock_test_and_set<I48MODE>): Likewise.
11662 (sync_compare_and_swap<I12MODE>): New.
11663 (sync_compare_and_swap<I12MODE>_1): New.
11664 (sync_lock_test_and_set<I12MODE>): New.
11665 (sync_lock_test_and_set<I12MODE>_1): New.
11667 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11671 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11673 2005-07-09 Jakub Jelinek <jakub@redhat.com>
11675 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11676 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11678 2005-07-09 Richard SAndiford <richard@codesourcery.com>
11681 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11683 2005-07-08 David Edelsohn <edelsohn@gnu.org>
11685 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11686 memory_operand constraint.
11687 (store_conditional_<mode>): Same.
11688 (sync_compare_and_swap<mode>): Same.
11689 (sync_lock_test_and_set<mode>): Same.
11691 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
11693 Rewrite PIC support to more closely model actual instructions.
11694 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11695 (cris_symbol): Remove prototypes for removed functions.
11696 (cris_pic_symbol_type_of, cris_valid_pic_const)
11697 (cris_expand_pic_call_address): Prototypes for new functions.
11698 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11700 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11702 <case ':'>: Add case for new punctuation character.
11703 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11704 emitting (extra) PIC modifier.
11705 <case UNSPEC>: Do not assert for PLT.
11706 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11707 (cris_expand_prologue, cris_expand_epilogue): Check
11708 for pic_offset_table_rtx usage instead of taking
11709 current_function_uses_pic_offset_table as the final word.
11710 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11711 Remove flag_pic difference.
11712 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11713 the moral equivalents of...
11714 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11716 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11717 (cris_handle_option): Mark ARG as unused.
11718 (cris_expand_pic_call_address): New worker function for "call",
11720 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11721 output PIC constructs here.
11722 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11723 as symbol-specific modifers, not whole or part of operands.
11724 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11725 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11726 constants and flag_pic.
11727 (CONSTANT_INDEX_P): Adjust for new functions.
11728 (enum cris_pic_symbol_type): New helper type.
11729 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11730 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11731 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11733 ("movsi"): Emit actual instructions for GOT and relative access.
11734 ("*movsi_got_load"): New pattern to set up the register holding
11736 ("*movsi_internal"): Operand 1 is not a plain general_operand.
11737 Adjust FIXME for 'S'.
11738 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11739 Use "movs" for -fpic cases.
11740 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11741 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11742 ("call", "call_value"): Just call cris_expand_pic_call_address for
11744 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11745 Remove special pattern.
11746 ("*expanded_call_side", "*expanded_call_value_side"): New
11748 (gotplt-to-plt, gotplt-to-plt-side-call)
11749 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11751 * config/cris/cris/predicates.md
11752 ("cris_general_operand_or_gotless_symbol"): Remove unused
11754 ("cris_general_operand_or_symbol"): Adjust for new functions.
11756 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11758 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11760 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
11762 * Makefile.in (TREE_H): Add treestruct.def.
11763 (c-decl.o): Add pointer-set.h
11764 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11765 visibility on regular DECL's.
11766 (merge_decls): Fix the copying of decl nodes of various types for
11767 the new structures. Don't update RTL, section name, weak status,
11768 etc, on DECL's without RTL.
11769 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11770 Don't check volatile on non-variable types.
11771 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11772 to check whether we have seen arguments.
11773 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11774 flag is checked before field (flag is common, field is not).
11775 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
11776 TS_DECL_COMMON could have an origin.
11777 (add_location_or_const_value_attribute): Don't check section name
11778 on non-var/function decls.
11779 (dwarf2out_var_location): Reverse order of tests.
11780 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11781 with DECL_WRTL_CHECK.
11782 * expmed.c (make_tree): rtl is now in decl_with_rtl.
11783 * fold-const.c (fold_binary): Don't check weakness on
11784 non-var/function decls.
11785 (tree_expr_nonzero_p): Ditto.
11786 (fold_checksum_tree): Use tree_decl_extra as sizeof
11788 * ggc-page.c (extra_order_size_table): Add sizes for
11789 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
11791 * gimplify.c (gimplify_bind_expr): Only set
11792 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11793 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11795 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11796 * langhooks.h (init_ts). New langhook.
11797 * passes.c (rest_of_decl_compilation): Reverse order of tests.
11798 * print-tree.c (print_node): Update to only print fields that
11799 exist in the structures the passed decl has.
11800 * toplev.c (wrapup_global_declarations): Don't reset
11801 DECL_DEFER_OUTPUT on DECL's that don't contain it.
11802 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11803 * tree-inline.c (remap_decl): Ditto.
11804 * tree-outof-ssa.c (create_temp): Reverse order of tests.
11805 * tree-pretty-print.c (print_declaration): Don't print
11806 DECL_REGISTER on things that don't contain it.
11807 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11808 non-var/function decls.
11809 * tree.c (tree_contains_struct): New structure.
11810 (init_priority_for_decl): New hashtable.
11811 (tree_int_map): New structure.
11812 (tree_int_map_eq): New function.
11813 (tree_int_map_marked_p): Ditto.
11814 (tree_int_map_hash): Ditto.
11815 (tree_map): Move to tree.h.
11816 (tree_map_eq): Externalize.
11817 (tree_map_hash): Ditto.
11818 (tree_map_marked_p): Ditto.
11819 (init_ttree): Set up tree_contains_struct and call langhook.
11820 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11821 (tree_code_size): Update for new structures.
11822 (tree_node_structure): Update for new structures.
11823 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11825 (copy_node_stat): Copy init priority.
11826 (build_decl_stat): Ditto for visibility.
11827 (ts_enum_names): New.
11828 (tree_contains_struct_check_failed): New function.
11829 (decl_init_priority_lookup): Ditto.
11830 (decl_init_priority_insert): Ditto.
11831 * treestruct.def: New file.
11832 * tree.h (CODE_CONTAINS_STRUCT): New macro.
11833 (CONTAINS_STRUCT_CHECK): Ditto.
11834 (tree_contains_struct_check_failed): New prototype.
11835 (DECL_CHECK): Removed.
11836 (DECL_MINIMAL_CHECK): New.
11837 (DECL_COMMON_CHECK): Ditto.
11838 (DECL_WRTL_CHECK): Ditto.
11839 (DECL_NON_COMMON_CHECK): Ditto.
11840 (DECL_WITH_VIS_CHECK): Ditto.
11841 (VAR_OR_FUNCTION_DECL_P): Ditto
11842 (struct tree_decl_minimal): New structure.
11843 (struct tree_decl_common): Ditto.
11844 (struct tree_decl_with_rtl): Ditto.
11845 (struct tree_decl_with_vis): Ditto.
11846 (struct tree_decl_non_common): Ditto.
11847 (struct tree_field_decl): Ditto.
11848 (struct tree_parm_decl): Ditto.
11849 (struct tree_var_decl): Ditto.
11850 (struct tree_function_decl): Ditto.
11851 (struct tree_const_decl): Ditto.
11852 (struct tree_result_decl): Ditto.
11853 (union tree_node): Add new structures.
11854 * var-tracking.c (track_expr_p): Reverse order of tests.
11856 * doc/c-tree.texi: Add documentation on DECL node internal structure.
11858 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11860 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11861 * system.h: Poison FINALIZE_PIC.
11862 * doc/tm.texi (FINALIZE_PIC): Remove.
11864 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11867 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11868 to the correct type if we have a MODIFY_EXPR.
11870 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11872 PR tree-optimization/22360
11873 * tree.c (upper_bound_in_type): Fix calculations for casting
11874 to a non-wider signed type and casting a signed value to a
11875 wider unsigned type.
11876 (lower_bound_in_type): Fix calculations for casting to a
11877 non-wider signed type.
11879 PR tree-optimization/20139
11880 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11882 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11883 fold_cond_expr_cond.
11884 * tree-ssanames.c (release_defs): Assert in_ssa_p.
11885 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11887 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11890 * tree-complex.c (expand_complex_libcall): Produce
11891 REALPART_EXPR/IMAGPART_EXPR with the correct type.
11893 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
11895 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11896 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11897 b" assert and inserted fastpath code for this case.
11898 (bitmap_ior): Removed "a != b" assert.
11900 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11902 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11903 (ENDFILE_SPEC): Likewise.
11904 * config/m32r/m32r.h (ASM_SPEC): Likewise.
11906 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11907 a large stack frame at epilogue.
11909 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
11911 * final.c: Include sdbout.h when required.
11913 2005-07-07 Geoffrey Keating <geoffk@apple.com>
11915 * config.gcc (*-*-darwin*): Only one target-specific header file
11916 for generic darwin.
11917 (powerpc-*-darwin*): Add version-specific header files.
11918 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11919 * config.in: Regenerate.
11920 * configure: Regenerate.
11921 * gcc.c: Include xregex.h.
11922 (version_compare_spec_function): New.
11923 (spec_function): Add version-compare.
11924 (replace_outfile_spec_function): Reformat comment.
11925 (compare_version_strings): New.
11926 * config/darwin-c.c (version_as_macro): New.
11927 (builtin_define): New.
11928 (darwin_cpp_builtins): New.
11929 * config/darwin-protos.h (darwin_cpp_builtins): New.
11930 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11931 (LIB_SPEC): Make unconditional, update comment.
11932 (TARGET_C99_FUNCTIONS): Define.
11933 * config/darwin.opt: Sort.
11934 (mmacosx-version-min=): New.
11935 * config/darwin7.h: Delete.
11936 * config/darwin8.h: Delete.
11937 * config/i386/darwin.h (): Call darwin_cpp_builtins.
11938 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11939 (TARGET_C99_FUNCTIONS): Define.
11940 * config/rs6000/darwin7.h: New.
11941 * config/rs6000/darwin8.h: New.
11942 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11943 (-mmacosx-version-min): Document.
11945 2005-07-07 Ian Lance Taylor <ian@airs.com>
11947 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11949 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
11951 PR middle-end/22239
11952 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11954 2005-07-07 Khem Raj <kraj@mvista.com>
11956 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11957 in bytes, not words.
11959 2005-07-07 Paul Brook <paul@codesourcery.com>
11961 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11962 DEFAULT_FUNCTION_ARG_PADDING to upward.
11964 2005-07-07 Richard Henderson <rth@redhat.com>
11966 * function.c (locate_and_pad_parm): Record parameter alignment in
11967 stack_alignment_needed.
11969 2005-07-07 David Edelsohn <edelsohn@gnu.org>
11971 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11972 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11973 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11974 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11975 (define_attr "type"): Add isync, sync, load_l, store_c.
11976 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11977 Create scratch volatile MEM.
11978 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
11980 (load_locked_<mode>): New.
11981 (store_conditional_<mode>): New.
11982 (sync_compare_and_swap<mode>): Replace with splitter.
11983 (sync_lock_test_and_set<mode>): Replace with splitter.
11984 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11986 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
11987 is ics. Attribute isync.
11988 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
11990 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11991 and UNSPECV_SYNC_OP.
11992 (emit_unlikely_jump): New.
11993 (emit_load_locked): New.
11994 (emit_store_conditional): New.
11995 (rs6000_split_compare_and_swap): New.
11996 (rs6000_split_lock_test_and_set): New.
11997 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11998 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11999 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
12000 rs6000_split_lock_test_and_set): Declare.
12001 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
12002 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
12003 store_c, isync, sync.
12005 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
12007 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
12008 filenames to gtyp-gen.h.
12009 (s-typ-gen): Use it in place of for loops.
12011 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
12013 * hooks.c (hook_bool_rtx_int_false): New function.
12014 * hooks.h (hook_bool_rtx_int_false): Declare.
12015 * target-def.h (TARGET_COMMUTATIVE_P): Define.
12016 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
12017 * target.h (struct gcc_target): Add commutative_p member.
12018 * targhooks.c (hook_bool_rtx_commutative_p): New function.
12019 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
12020 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
12021 (pa_commutative_p): New function.
12022 * jump.c (target.h): Include.
12023 (rtx_renumbered_equal_p): Use targetm.commutative_p.
12024 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
12026 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
12028 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
12029 (s390_expand_setmem): New.
12030 * config/s390/s390.c: Likewise.
12031 (print_shift_count_operand): Truncate to 12 bits instead of 6.
12033 * config/s390/s390.md: ("setmem<mode>"): Accept character as
12034 general_operand. Call new function "s390_expand_setmem".
12035 ("clrmem_long", "*clrmem_long"): Rewrite to ...
12036 ("setmem_long", "*setmem_long"): ... this.
12038 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
12040 * config/s390/s390.c: (optimization_options): Enable
12041 TARGET_MVCLE at -Os.
12042 * doc/invoke.texi: Document changes in default behaviour.
12043 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
12045 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
12047 * expr.c: (set_storage_via_setmem): Convert opchar to mode
12048 defined by back-end.
12050 2005-07-07 Jakub Jelinek <jakub@redhat.com>
12052 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
12053 all sets in the pattern.
12054 * config/rs6000/rs6000.md (stack_protect_testsi,
12055 stack_protect_testdi): Likewise.
12057 2005-07-06 Jeff Law <law@redhat.com>
12059 * tree-vrp.c (simplify_using_ranges): Kill.
12060 (vrp_finalize): Remove call to simplify_using_ranges.
12061 (simplify_stmt_using_ranges): New function extracted from
12062 simplify_using_ranges.
12063 (simplify_div_or_mod_using_ranges): Likewise.
12064 (simplify_abs_using_ranges): Likewise.
12065 (simplify_cond_using_ranges): New function.
12066 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
12067 * tree-ssa-propagate.c (substitute_and_fold): Call
12068 simplify_stmt_using_ranges if we have range information.
12070 2005-07-06 James E. Wilson <wilson@specifixinc.com>
12072 * config/ia64/ia64.c (ia64_reorg): Check optimize before
12073 ia64_flag_schedule_isns2.
12075 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
12076 reading/writing general registers.
12077 (ia64_function_arg): Revert 2005-06-18 change.
12079 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
12081 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
12082 (legitimize_tls_address): Use gcc_unreachable instead of abort.
12084 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
12086 * function.c (expand_function_end): Revert part of 2005-06-27
12087 patch. Do sjlj_emit_function_exit_after after return_label.
12089 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
12091 * doc/install.texi (--disable-libssp): New.
12093 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
12095 * doc/invoke.texi: Update -fforce-mem documentation.
12096 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
12097 code for -fforce-mem.
12098 * expmed.c: (store_bit_field,store_fixed_bit_field,
12099 extract_bit_field): Ditto.
12100 * expr.c: (convert_move): Ditto.
12101 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
12102 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
12103 emit_conditional_add,expand_float,expand_fix): Ditto.
12104 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
12105 (common_handle_option): Issue warning when -fforce-mem specified.
12107 2005-07-06 Paul Brook <paul@codesourcery.com>
12109 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
12111 * configure: Regenerate.
12113 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
12115 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
12117 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
12119 Fix PR tree-optimization/22319
12120 Fix PR tree-optimization/22140
12121 Fix PR tree-optimization/22310
12123 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
12124 variable sized types.
12125 Use correct type for intermediate structure on *a = *b structure
12128 2005-07-06 Jakub Jelinek <jakub@redhat.com>
12130 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
12132 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
12133 (machine_function): Move typedef to...
12134 * config/rs6000/rs6000.c (machine_function): ... here. Add
12135 varargs_save_offset field.
12136 (rs6000_stack_t): Remove varargs_size field.
12137 (setup_incoming_varargs): Allocate varargs save area using
12138 assign_stack_local, try to make it as small as possible.
12139 Save offset from virtual_stack_vars_rtx to the save area
12140 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
12141 instead of magic 8 when fp word byte size is used.
12142 (rs6000_va_start): Use cfun->machine->varargs_save_offset
12143 instead of -RS6000_VARARGS_SIZE.
12144 (rs6000_stack_info, debug_stack_info,
12145 rs6000_initial_elimination_offset): Remove all traces of
12147 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
12148 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
12149 RS6000_VARARGS_AREA.
12151 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
12153 PR tree-optimization/21963
12154 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
12155 constant_multiple_of in the same way get_computation_cost_at does.
12157 2005-07-06 Jakub Jelinek <jakub@redhat.com>
12159 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
12160 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
12161 (gen_compare_reg): If sparc_compare_emitted is set, clear it
12162 and return its previous value.
12163 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
12164 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
12166 (stack_protect_set, stack_protect_test): New expanders.
12167 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
12168 stack_protect_testdi): New insns.
12169 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12170 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
12172 2005-07-06 Jeff Law <law@redhat.com>
12174 * tree-ssa-dce.c (cfg_altered): New global.
12175 (tree_dce_init): Initialize cfg_altered.
12176 (remove_dead_stmt): If we remove an edge in the CFG, then set
12178 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
12181 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
12183 * Makefile.in (stamp-collect-ld): Use
12184 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
12185 ./collect-ld if it already exists.
12186 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
12187 Don't remove ./nm if it already exists.
12189 2005-07-05 Devang Patel <dpatel@apple.com>
12191 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
12192 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
12193 * tree-vectorizer.c (vect_loop_location): New.
12194 (vect_print_dump_info): Use vect_loop_location.
12195 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
12196 (vectorize_loops): Set vect_loop_location.
12197 * tree-vect-analyze.c (vect_analyze_offset_expr,
12198 vect_determin_vectorization_factor, vect_analyze_operations,
12199 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
12200 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
12201 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
12202 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
12203 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
12204 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
12205 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
12206 vect_analyze_loop): Adjust vect_print_dump_info API.
12207 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12208 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
12209 vect_finish_stmt_generation, vectorizable_assignment,
12210 vectorizable_operation, vectorizable_store, vectorizable_load,
12211 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
12212 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
12213 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
12214 vect_transform_loop): Same.
12215 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
12216 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
12219 2005-07-05 Randolph Chung <tausq@debian.org>
12221 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
12222 * configure: Regenerate.
12223 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
12224 (pa_tls_referenced_p): Declare.
12225 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
12226 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
12227 (legitimize_tls_address): New.
12228 (hppa_legitimize_address): Handle TLS addresses.
12229 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
12230 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
12231 (emit_move_sequence): Handle TLS addresses.
12232 (pa_encode_section_info): Call default handler to handle common
12234 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
12235 (CONSTANT_ADDRESS_P): Reject TLS operands.
12236 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
12237 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
12238 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
12239 (UNSPEC_TLSLE): Define new constants.
12240 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
12241 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
12242 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
12243 (tie_symbolic_operand, tle_symbolic_operand): New
12245 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
12247 * aclocal.m4: Update macros for autoconf 2.59 style.
12248 * configure.ac: Likewise.
12250 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12252 * pa.c (function_value): Handle small aggregates on 32-bit targets.
12253 (function_arg): Pass small aggregates in general registers on 32-bit
12255 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
12257 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
12259 * Makefile.in (final.o): Fix dependencies.
12261 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
12265 * langhooks.h (struct lang_hooks): Add expr_to_decl.
12266 * langhooks.c (lhd_expr_to_decl): New.
12267 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
12269 (LANG_HOOKS_INITIALIZER): Update.
12270 * tree.c (recompute_tree_invarant_for_addr_expr): Call
12271 expr_to_decl langhook.
12272 * c-tree.h (c_expr_to_decl): Declare.
12273 * c-typeck.c (c_expr_to_decl): New.
12274 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
12276 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
12278 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
12281 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
12282 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
12284 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
12286 * Makefile.in: Adjust dependencies.
12287 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
12288 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
12289 * alias.c (rest_of_handle_cfg, pass_cfg): New.
12290 * bb-reorder.c (duplicate_computed_gotos): Make it static.
12291 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
12292 rest_of_compilation.
12294 * bb-reorder.c (gate_duplicate_computed_gotos,
12295 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
12296 rest_of_handle_reorder_blocks, pass_reorder_blocks,
12297 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
12298 pass_partition_blocks): New.
12299 * bt-load.c (gate_handle_branch_target_load_optimize,
12300 rest_of_handle_branch_target_load_optimize,
12301 pass_branch_target_load_optimize): New.
12302 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
12304 * cfglayout.c (pass_insn_locators_initialize): New.
12305 * cfgrtl.c (pass_free_cfg): New.
12306 * combine.c (gate_handle_combine, rest_of_handle_combine,
12307 pass_combine): New.
12308 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
12309 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
12310 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
12311 * except.c (pass_set_nothrow_function_flags,
12312 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
12314 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
12315 rest_of_handle_shorten_branches, pass_shorten_branches,
12316 rest_of_clean_state, pass_clean_state): New.
12317 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
12318 rest_of_handle_remove_death_notes, pass_remove_death_notes,
12319 rest_of_handle_life, pass_life, rest_of_handle_flow2,
12321 * function.c (pass_instantiate_virtual_regs, pass_init_function,
12322 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
12323 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
12324 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
12326 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
12327 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
12328 pass_rtl_ifcvt, gate_handle_if_after_combine,
12329 rest_of_handle_if_after_combine, pass_if_after_combine,
12330 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
12331 pass_if_after_reload): New.
12332 * integrate.c (pass_initial_value_sets): New.
12333 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
12334 pass_purge_lineno_notes): New.
12335 * mode-switching.c (rest_of_handle_mode_switching,
12336 pass_mode_switching): New.
12337 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
12338 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
12340 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
12341 pass_loop_optimize): New.
12342 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
12344 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
12346 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
12347 pass_postreload_cse): New.
12348 * profile.c (gate_handle_profiling, pass_profiling,
12349 rest_of_handle_branch_prob, pass_branch_prob): New.
12350 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
12351 pass_split_before_regstack, gate_handle_split_before_regstack,
12352 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
12353 rest_of_handle_split_all_insns, pass_split_all_insns): New.
12354 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
12355 pass_stack_regs): New.
12356 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
12357 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
12358 pass_stack_adjustments): New.
12359 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
12360 pass_regrename): New.
12361 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
12362 pass_delay_slots, gate_handle_machine_reorg,
12363 rest_of_handle_machine_reorg, pass_machine_reorg): New.
12364 * rtl.h (extern void purge_line_number_notes): New.
12365 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
12366 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
12368 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
12370 * value-prof.c (gate_handle_value_profile_transformations,
12371 rest_of_handle_value_profile_transformations,
12372 pass_value_profile_transformations): New.
12373 * var-tracking.c (gate_handle_var_tracking,
12374 pass_variable_tracking): New.
12375 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
12377 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
12378 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
12379 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
12380 rest_of_handle_old_regalloc, rest_of_handle_regrename,
12381 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
12382 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
12383 rest_of_handle_gcse2, rest_of_handle_regmove,
12384 rest_of_handle_tracer, rest_of_handle_if_conversion,
12385 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
12386 rest_of_handle_web, rest_of_handle_branch_prob,
12387 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
12388 rest_of_handle_jump_bypass, rest_of_handle_combine,
12389 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12390 rest_of_handle_gcse, rest_of_handle_loop_optimize,
12391 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
12392 rest_of_handle_mode_switching, rest_of_handle_jump,
12393 rest_of_handle_eh, rest_of_handle_stack_adjustments,
12394 rest_of_handle_flow2, rest_of_handle_jump2,
12395 rest_of_handle_peephole2, rest_of_handle_postreload,
12396 rest_of_handle_shorten_branches, rest_of_clean_state,
12397 rest_of_compilation): Remove.
12399 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
12400 * passes.c (dump_flags, in_gimple_form, all_passes,
12401 all_ipa_passes, all_lowering_passes, register_one_dump_file,
12402 register_dump_files, next_pass_1, last_verified, execute_todo,
12403 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
12404 from tree-optimize.c.
12405 (init_optimization_passes): Moved from tree-optimize.c,
12406 adding the RTL optimizations.
12407 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
12408 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
12409 all_ipa_passes, all_lowering_passes, register_one_dump_file,
12410 register_dump_files, next_pass_1, last_verified, execute_todo,
12411 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
12412 init_tree_optimization_passes, ipa_passes): Delete.
12413 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
12415 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
12416 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
12418 (ipa_passes): Remove.
12419 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
12420 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
12421 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
12422 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
12423 (dump_info_p, dump_flag): Moved to tree-dump.h.
12425 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
12427 * passes.c (finish_optimization_passes): Use dump_begin
12428 and dump_end, TDI_end.
12429 (gate_rest_of_compilation): New.
12430 (pass_rest_of_compilation): Use it.
12431 (gate_postreload, pass_postreload): New.
12432 * toplev.c (general_init): Rename init_tree_optimization_passes.
12433 * toplev.h (init_tree_optimization_passes): Rename to
12434 init_optimizations_passes.
12435 * tree-dump.c (dump_flag): Make static.
12436 (dump_files): Remove RTL dumps.
12437 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
12438 pass_cleanup_cfg, pass_free_cfg_annotations,
12439 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
12440 pass_init_datastructures, pass_fixup_cfg): Make non-static.
12441 * tree-pretty-print.c: Include tree-pass.h.
12442 * cgraph.c: Include tree-dump.h.
12444 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
12446 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
12447 Only fall back to saying it points to readonly memory if
12448 we can't do better.
12450 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
12452 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
12453 * config/m32r/m32r.c (m32r_compute_frame_size,
12454 m32r_expand_prologue): Take current_function_profile into
12455 account whenever we reference
12456 current_function_uses_pic_offset_table.
12457 (m32r_finalize_pic): Remove.
12458 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
12460 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
12462 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
12463 instead of $<. Don't remove ./as if it already exists.
12465 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12468 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
12469 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
12470 for complex modes when generating code for PA 1.0.
12471 (VALID_FP_MODE_P): New macro.
12472 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
12473 sets for all general and floating point modes. Align wide floating
12474 point modes to even register boundaries to comply with architectural
12476 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
12477 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
12478 (VALID_FP_MODE_P): New macro.
12479 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
12480 sets for all general and floating point modes. Align wide floating
12481 point modes to even register boundaries to comply with architectural
12484 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12486 * tree-dump.c (dump_files): Initialize dump number for .cgraph
12489 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12491 * tree-ssa-structalias.c: Don't include expr.h.
12493 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12495 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
12498 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
12500 Fix PR tree-optimization/22279
12502 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
12505 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
12507 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
12509 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
12511 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
12512 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
12513 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
12514 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
12515 config/stormy16/stormy16.c, config/v850/v850.c,
12516 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
12517 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
12518 Avoid "." or "\n" at end of diagnostics and capital letters at
12519 start of diagnostics.
12520 * combine.c, cse.c: Don't translate dump file output.
12521 * toplev.c (print_version): Only translate output if going to
12524 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
12526 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
12527 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
12530 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12532 * pa.c (fix_range): Fix typo in comment.
12534 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
12536 * tree-vrp.c (extract_range_from_assert): Replace
12537 fold (build (...)) with fold_build2.
12539 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12541 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
12542 gcc_gfc_char_table, init_dynamic_gfc_info): New.
12543 (format_types_orig, handle_format_attribute): Add support for
12546 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
12548 * varasm.c (assemble_variable): Fix format specifier thinko.
12550 2005-07-03 Ira Rosen <irar@il.ibm.com>
12552 PR tree-optimization/22029 (and 22135)
12553 * tree-pretty-print.c (dump_generic_node): Check that the node is not
12554 a phi node before calling dump_vops.
12556 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
12558 * tree-dump.h (dump_string_field): Declare.
12559 * tree-dump.c: Use it instead of dump_string.
12560 (dump_string_field): Make non-static.
12562 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
12564 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
12565 up the minimal CFG stuff always when optimize > 0. Call
12566 split_all_insns_noflow in PIC case if needed.
12568 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
12569 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
12572 * c-decl.c (c_write_global_declarations): Dump contents of
12574 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12575 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12576 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12577 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12580 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
12582 * c-common.h (GCC_DIAG_STYLE): Define.
12583 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
12584 version for format checking to 4.1.
12585 * c-format.c: Include toplev.h after c-common.h.
12586 (enum format_type): Add gcc_tdiag_format_type.
12587 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12588 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12589 (format_types_orig): Add gcc_tdiag.
12590 (init_dynamic_diag_info): Support gcc_tdiag formats.
12591 (handle_format_attribute): Likewise.
12592 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12593 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
12594 version for format checking to 4.1.
12595 (warning0, warning, error, pedwarn, sorry): Use
12596 ATTRIBUTE_GCC_DIAG.
12597 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12598 (finish_aliases_1): Do not use %qE.
12599 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12600 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12601 Correct format bugs.
12602 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12603 parameter to unsigned HOST_WIDE_INT.
12604 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12606 2005-07-02 David Edelsohn <edelsohn@gnu.org>
12608 PR middle-end/21742
12609 * expr.c (write_complex_part): Use adjust_address for MEM.
12610 (read_complex_part): Same.
12612 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
12614 Fix PR tree-optimization/22280
12616 * tree-sra.c (generate_element_init): Remove useless loop.
12618 2005-07-02 Richard Henderson <rth@redhat.com>
12620 * config/alpha/alpha.c (alpha_legitimize_address): Check for
12622 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12624 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
12626 PR middle-end/14490
12627 * fold-const.c (fold_binary): Handle the return value of
12628 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12629 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12631 2005-07-02 Jeff Law <law@redhat.com>
12633 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12634 a eliminate type conversion which feeds an equality comparison
12635 if the original type or either operand in the comparison is a
12638 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
12640 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12641 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12643 * config/avr/avr.c: Do not use '`' as left quote.
12644 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12645 Remove "." from end of diagnostics. Make diagnostics start with
12648 2005-07-02 Zack Weinberg <zack@codesourcery.com>
12649 Joseph S. Myers <joseph@codesourcery.com>
12651 * toplev.c (default_tree_printer): Handle setting location with
12653 * c-objc.common.c (c_tree_printer): Likewise.
12654 * c-format.c (gcc_diag_flag_specs): Add '+'.
12655 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12656 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12658 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12659 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12660 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12661 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12662 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12663 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
12664 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
12665 format arguments where %J is used without %D.
12667 2005-07-02 Jakub Jelinek <jakub@redhat.com>
12669 * gcc.c (LINK_SSP_SPEC): Define.
12670 (link_ssp_spec): New variable.
12671 (LINK_COMMAND_SPEC): Add %(link_ssp).
12672 (static_specs): Add link_ssp_spec.
12673 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12674 * configure: Rebuilt.
12675 * config.in: Rebuilt.
12677 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12678 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12679 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12680 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12681 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12682 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12683 -0x7008(2) instead of reading __stack_chk_guard variable.
12684 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12686 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12687 (stack_protect_set, stack_protect_test): Use *_tls* patterns
12688 if TARGET_THREAD_SSP_OFFSET is defined.
12689 (stack_tls_protect_set_si, stack_tls_protect_set_di,
12690 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12693 2005-06-27 Richard Henderson <rth@redhat.com>
12694 * libgcc-std.ver (GCC_4.1.0): New.
12695 * libgcc.h (__stack_chk_guard): Declare.
12696 (__stack_chk_fail, __stack_chk_fail_local): Declare.
12697 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12698 * mklibgcc.in (lib2funcs): Add them.
12700 2005-07-01 Richard Henderson <rth@redhat.com>
12702 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12703 void * before struct sigcontext *.
12704 (x86_fallback_frame_state): Likewise.
12706 2005-07-01 James E. Wilson <wilson@specifixinc.com>
12708 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12710 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12713 * tree-ssa-reassoc.c (should_transpose): Fix which operand
12714 we check for SSA_NAME for.
12716 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
12718 Fix PR tree-optimization/22071
12720 * tree-ssa-structalias.c (offset_overlaps_with_access): New
12722 (get_constraint_for_component_ref): Use it.
12724 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12727 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12728 print out the last new line.
12730 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
12732 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12733 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12734 * config/cris/cris.c (cris_conditional_register_usage): Adjust
12735 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12736 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12737 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12738 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12739 (enum reg_class): New member CC0_REGS.
12740 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12741 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12742 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12743 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12744 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12745 Adjust for register now described.
12747 2005-07-01 Jakub Jelinek <jakub@redhat.com>
12750 * config/i386/i386.md (stack_protect_test_si,
12751 stack_protect_test_di): Add earlyclobber for scratch 3.
12752 * config/rs6000/rs6000.md (stack_protect_testsi,
12753 stack_protect_testdi): Add earlyclobber for scratch 3,
12754 remove earlyclobber from scratch 4.
12756 Older entries for 2005 can be found in ChangeLog-2005.