1 2005-12-22 Kazu Hirata <kazu@codesourcery.com>
3 PR tree-optimization/23518
4 * fold-const.c (make_range): Don't move a constant to the
5 other side of the comparison if the type is signed and -fwrapv
8 2005-12-22 Kazu Hirata <kazu@codesourcery.com>
10 * tree-vrp.c (extract_range_from_binary_expr): Clean up uses
13 2005-12-21 Joseph S. Myers <joseph@codesourcery.com>
16 * config/arm/t-arm-elf (LIB1ASMFUNCS): Add _floatundidf and
19 2005-12-21 Andrew Haley <aph@redhat.com>
22 * recog.c (peephole2_optimize): Don't peephole any
23 RTX_FRAME_RELATED_P insns.
25 2005-12-21 Kazu Hirata <kazu@codesourcery.com>
27 * tree-data-ref.c (estimate_niter_from_size_of_data): Replace
28 fold_build2 with fold_binary.
29 * tree-ssa-ccp.c (visit_assignment, maybe_fold_stmt_addition):
30 Replace fold_build1 with fold_unary.
31 * tree-ssa-reassoc.c (optimize_ops_list): Replace fold_build2
34 2005-12-21 Steven Bosscher <stevenb@suse.de>
36 PR rtl-optimization/25196
37 * postreload-gcse.c (record_last_set_info): Notice stack pointer
38 changes in push insns without REG_INC notes.
40 2005-12-21 Kazu Hirata <kazu@codesourcery.com>
42 PR tree-optimization/25382.
43 * tree-vrp.c (extract_range_from_binary_expr): Extract a range
46 2005-12-21 Janis Johnson <janis187@us.ibm.com>
47 Ben Elliston <bje@au.ibm.com>
49 * configure.ac: Enable C extension for decimal float if invoked
50 with --enable-decimal-float.
51 * doc/install.texi (Configuration): Document it.
52 * configure, config.in: Regenerate.
54 2005-12-20 Mike Stump <mrs@apple.com>
56 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Handle the
57 ambiguity between -seg_addr_table and -seg_addr_table_filename.
58 (WORD_SWITCH_TAKES_ARG): Likewise.
59 (LINK_SPEC): Likewise.
61 2005-12-20 Kenneth Zadeck <zadeck@naturalbridge.com>
63 * cfganal.c (flow_reverse_top_sort_order_compute):
64 Renamed to post_order_compute and additional parameter added which
65 allows the inclusion of entry and exit blocks into list.
66 (mark_dfs_back_edges): Fixed comment.
67 (flow_depth_first_order_compute): Renamed to
68 pre_and_rev_post_order_compute additional parameter added which
69 allows the inclusion of entry and exit blocks into list.
70 * global.c (set_up_bb_rts_numbers): Call to
71 flow_reverse_top_sort_order_compute renamed to
73 * var-tracking.c (vt_stack_adjustments): Fixed comment.
74 (vt_find_locations): Call to
75 flow_depth_first_order_compute renamed to
76 pre_and_rev_post_order_compute.
77 * cfgloop.c (flow_find_loops): Ditto.
78 * tree-ssa-reassoc.c (init_reassoc): Ditto.
79 * df.c (df_analyze_1, df_analyze_subcfg): Calls to
80 flow_reverse_top_sort_order_compute renamed to post_order_compute
81 and calls to flow_reverse_top_sort_order_compute renamed to
83 * basic_block.h: Ditto.
86 2005-12-20 Roger Sayle <roger@eyesopen.com>
87 Paolo Bonzini <bonzini@gnu.org>
89 PR rtl-optimization/25115
90 * gcse.c (pre_insert_copy_insn): Fall back to the sole
91 SET in the insn if there is no SET for an
92 expression that is equivalent to EXPR.
94 2005-12-20 Richard Guenther <rguenther@suse.de>
97 * builtins.c (std_gimplify_va_arg_expr): Do not align
98 va frame for zero sized types.
99 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
101 2005-12-20 Kazu Hirata <kazu@codesourcery.com>
103 PR tree-optimization/25501
104 * tree-cfgcleanup.c (merge_phi_nodes): Check that RESULT is
105 used in the PHI argument corresponding to the edge from BB to
108 2005-12-20 Richard Guenther <rguenther@suse.de>
111 2005-12-02 Richard Guenther <rguenther@suse.de>
113 * tree-cfg.c (mark_used_vars): New function.
114 (dump_function_to_file): Dump only used VAR_DECLs.
116 2005-12-19 Roger Sayle <roger@eyesopen.com>
118 * combine.c (try_combine): Improve splitting of binary operators
119 by taking advantage of reassociative transformations.
121 2005-12-19 Jeff Law <law@redhat.com>
123 * tree-ssa-dom.c (thread_across_edge): Do not use local_fold.
124 Strip away all type conversions after simplifying the
127 * tree-cfgcleanup.c (merge_phi_nodes): Allow merging in some
128 cases the forwarder block dominates the destination.
130 2005-12-19 DJ Delorie <dj@redhat.com>
132 * reload1.c (spill_failure): Dump reload data to dump file.
133 (find_reload_regs): Likewise.
135 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
137 PR tree-optimization/24793
138 * tree-ssa-loop-ivopts.c (get_ref_tag): Remember the
139 original reference if there are subvars.
140 * tree-ssa-operands.c (get_tmr_operands): Handle subvars.
142 2005-12-19 Kenneth Zadeck <zadeck@naturalbridge.com>
144 * df.c (df_analyze_1, df_analyze_subcfg, iterative_dataflow):
145 Corrected basic block number calculations for changes in entry and
148 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
150 * tree-flow.h (struct var_ann_d): Change type of
151 may_aliases field to VEC(tree, gc) *.
152 (may_aliases): Declaration changed.
153 * tree-ssa-alias.c (group_aliases, add_may_alias,
154 replace_may_alias, dump_may_aliases_for,
155 is_aliased_with, add_type_alias, new_type_alias):
156 Work with VEC(tree, gc) * instead of varray.
157 * tree-flow-inline.h (may_aliases): Ditto.
158 * tree-ssa.c (verify_flow_insensitive_alias_info,
159 verify_name_tags): Ditto.
160 * tree-ssa-operands.c (add_stmt_operand): Ditto.
162 2005-12-19 J"orn Rennecke <joern.rennecke@st.com>
164 * cfgcleanup.c: Temporarily revert patches for PR 20070 till Bernd
167 2005-12-19 J"orn Rennecke <joern.rennecke@st.com>
169 * struct-equiv.c (struct_equiv_improve_checkpoint): Fix sets_cc0_p
172 2005-12-19 Ben Elliston <bje@au.ibm.com>
174 * doc/install.texi (Configuration): Typo in Fortran subheading.
176 2005-12-19 Nathan Sidwell <nathan@codesourcery.com>
178 * config/mt/mt.md (decrement_and_branch_until_zero): Add another
179 scratch. Correct its reload split. Adjust its peephole.
180 (doloop_end): Add additional scratch.
182 * config/mt/mt.c (MT_INT_ARG_FIRST): Remove.
183 (mt_asm_output_opcode, mt_print_operand): Use 'nop'.
184 (mt_function_arg_slotno): Use FIRST_ARG_REGNUM.
185 (mt_builtin_saveregs): Replace with ...
186 (mt_setup_incoming_varargs): ... here. Save just the varadic
188 (mt_va_start): Remove.
189 (mt_reorg_hazard): Ignore USE insns. Don't call set_noop_p.
190 (mt_machine_reorg): Split all insns here.
191 (TARGET_SETUP_INCOMING_VARARGS): Override.
192 * config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only.
194 (EXPAND_BUILTIN_VA_START): Remove.
196 2005-12-17 Kenneth Zadeck <zadeck@naturalbridge.com>
198 * flow.c (update_life_info, count_or_remove_death_notes): Fixed
199 latent bug that could happen if update_life_info was called with a
200 blocks parameter and the call to cleanup_cfg actually deleted one
203 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
205 * tree-ssa-structalias.c (update_alias_info): Remove handling
206 of may_be_aliased (SSA_NAME_VAR (op)) case.
208 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
210 * tree-flow.h (struct stmt_ann_d): Remove
211 makes_aliased_loads and makes_aliased_stores fields.
212 * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores
213 and makes_aliased_loads fields.
214 * tree-ssa-dom.c (eliminate_redundant_computations): Do not
215 use makes_aliased_stores.
216 * tree-ssa-operands.c (clobbered_aliased_loads,
217 clobbered_aliased_stores, ro_call_aliased_loads): Removed.
218 (build_ssa_operands, add_stmt_operand, add_call_clobber_ops,
219 add_call_read_ops): Do not set makes_aliased_stores and
220 makes_aliased_loads fields.
221 * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores
224 2005-12-18 Geoffrey Keating <geoffk@apple.com>
226 * config/darwin.h: Don't include darwin-sections.def to declare
227 global variables; instead create darwin_section_enum.
228 (darwin_section_enum): New.
229 (darwin_sections): New.
230 * config/darwin.c: Don't include darwin-sections.def to define
232 (darwin_sections): New.
233 (output_objc_section_asm_op): Rewrite to take advantage of
235 (darwin_init_sections): Rewrite to use darwin_sections.
236 (machopic_output_indirection): Update for darwin_sections array.
237 (machopic_select_section): Likewise.
238 (machopic_select_rtx_section): Likewise.
239 (machopic_asm_out_constructor): Likewise.
240 (machopic_asm_out_destructor): Likewise.
241 (darwin_file_end): Likewise.
242 * config/rs6000/rs6000.c (machopic_output_stub): Likewise.
243 * config/i386/i386.c (machopic_output_stub): Likewise.
245 2005-12-18 Richard Guenther <rguenther@suse.de>
247 PR tree-optimization/25481
248 * tree-ssa-structalias.c (handle_ptr_arith): Handle accesses we
249 don't have a varinfo for.
251 2005-12-18 Jon Grimm <jgrimm2@us.ibm.com>
252 Janis Johnson <janis187@us.ibm.com>
253 Ben Elliston <bje@au.ibm.com>
255 * optabs.c (init_floating_libfuncs): Handle decimal float modes.
256 (init_optabs): Handle libfuncs for decimal float.
257 * genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
258 * stor-layout.c (int_mode_for_mode): Likewise.
259 * simplify-rtx.c (simplify_immed_subreg): Likewise.
260 (simplify_unary_operation_1): Skip optimisations for decimal float
262 * varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
263 * emit-rtl.c (gen_const_vector): Add assertion check.
264 (init_emit_once): Populate const_tiny_rtx with constants in each
266 * expmed.c (extract_high_half, expand_mult_highpart_optab,
267 expand_mult_highpart): Assert that mode is not a scalar float
269 * expr.c (convert_move): Handle conversion between decimal and
270 binary floats of the same size.
271 * convert.c (convert_to_real): Consider decimal float types when
273 * dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
274 describe decimal floating point types.
276 2005-12-18 Ulrich Weigand <uweigand@de.ibm.com>
278 PR rtl-optimization/21041
279 * reload.c (find_reloads_subreg_address): Replace paradoxical
280 subreg of MEM by widened access only if the resulting memory
281 is properly aligned, even on !STRICT_ALIGNMENT targets.
283 2005-12-18 Andreas Krebbel <krebbel1@de.ibm.com>
285 * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.
287 2005-12-18 Steven Bosscher <stevenb@suse.de>
289 * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
290 the 2005-12-17 patch to renumber the entry and exit blocks.
292 2005-12-18 Gabriel Dos Reis <gdr@integrable-solutions.net>
294 * doc/objc.texi (Type encoding): Fix typo.
296 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
298 * tree-tailcall.c (find_tail_calls): Use XNEW.
299 * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
300 (free_all_edge_infos): Use explicit cast to convert from void *.
301 (vrp_free): Likewise.
302 (dom_opt_finalize_block): Likewise.
303 (record_equivalences_from_incoming_edge): Likewise.
304 (thread_across_edge): Likewise. Use XCNEWVEC.
305 (record_cond): Use XCNEW.
306 (record_conditions): Use XNEWVEC.
307 (record_edge_info): Use XCNEWVEC.
308 (lookup_avail_expr): Use XNEW.
309 (record_range): Likewise. Use GGC_NEW.
310 * tree-nested.c (var_map_hash): Use explicit cast to convert from
312 (var_map_eq): Likewise.
313 (lookup_field_for_decl): Likewise.
314 (convert_nonlocal_reference): Likewise.
315 (convert_local_reference): Likewise.
316 (convert_nl_goto_reference): Likewise.
317 (convert_nl_goto_receiver): Likewise.
318 (convert_call_expr): Likewise.
319 (convert_tramp_reference): Likewise.
320 (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
321 (convert_nl_goto_reference): Likewise.
322 (lookup_field_for_decl): Use GGC_NEW.
323 (create_nesting_tree): Use GGC_CNEW.
324 * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
325 * tree-ssa-alias.c (init_alias_info): Use XCNEW.
326 (create_alias_map_for): Likewise.
327 (setup_pointers_and_addressables): Use XCNEWVEC.
328 (get_ptr_info): Use GGC_NEW.
329 (used_part_map_eq): Use explicit cast to convert from void *.
330 (up_lookup): Likewise.
331 (up_insert): Use XNEW.
332 (get_or_create_used_part_for): Use XCNEW.
333 (get_tmt_for): Likewise.
334 * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
335 * tree-ssa-pre.c (phi_trans_add): Use XNEW.
336 (bitmap_set_new): Use explicit cast to convert from void *.
338 (insert_into_set): Likewise.
339 (pool_copy_list): Likewise.
340 (phi_translate): Likewise.
341 (create_value_expr_from): Likewise.
342 (insert_aux): Use XCNEWVEC.
343 (compute_avail): Use XNEWVEC.
344 * tree-ssa-live.c (calculate_live_on_entry): Likewise.
345 (sort_coalesce_list): Likewise.
346 (build_tree_conflict_graph): Use XCNEWVEC.
347 * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
348 * tree-ssa-copy.c (init_copy_prop): Likewise.
349 (fini_copy_prop): Likewise.
350 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
352 (record_equiv): Use XNEW.
353 (uncprop_into_successor_phis): Use explicit cast to convert from
355 (uncprop_initialize_block): Likewise.
357 2005-12-18 Dorit Nuzman <dorit@il.ibm.com>
359 PR tree-optimization/24378
360 * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
361 basic-block after loop-versioning.
363 2005-12-18 Jeff Law <law@redhat.com>
365 * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
366 to simplify SWITCH_EXPR_CODE moved from here to ...
367 * tree-ssa-forwprop.c (simplify_switch_expr): Here.
368 (tree-ssa-forward_propagate_single_use_vars): Call
369 simplify_switch_expr when appropriate.
371 2005-12-17 Andrew Pinski <pinskia@physics.uc.edu>
373 * doc/objc.texi (Type encoding): Add documentation about encoding
374 complex types and _Bool.
376 2005-12-17 Paul Brook <paul@codesourcery.com>
378 * config/m68k/m68k.md (m68k_output_function_prologue): Always call
379 dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
380 when frame_pointer_needed.
382 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
384 * tree-vn.c (vn_add): Use XNEW.
385 * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
386 (ccp_fold): Likewise.
387 (fold_stmt_r): Use explicit cast to convert from void *.
388 * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
389 (new_temp_expr_table): Likewise.
390 * gimplify.c (lookup_tmp_var): Use XNEW.
391 (gimplify_asm_expr): Use explcit cast to convert from void *.
392 * tree-into-ssa.c (get_ssa_name_ann): Likewise.
393 (get_def_blocks_for): Use XNEW.
394 (add_to_repl_tbl): Likewise.
395 (mark_def_sites): Use explicit cast to convert from void *.
396 (def_blocks_free): Likewise.
397 (mark_def_sites_initialize_block): Likewise.
398 (update_ssa): Use XNEWVEC.
399 * tree-dfa.c (create_var_ann): Use GGC_NEW.
400 (create_stmt_ann): Likewise.
401 (create_tree_ann): Likewise.
402 (referenced_var_insert): Likewise.
403 (set_default_def): Likewise.
404 (referenced_var_lookup_if_exists): Use explicit cast to convert
406 (referenced_var_lookup): Likewise.
407 (default_def): Likewise.
408 (set_default_def): Likewise.
409 * tree-cfg.c (create_bb): Likewise.
410 (edge_to_cases_cleanup): Likewise.
411 (verify_node_sharing): Likewise.
412 (record_switch_edge): Use XNEW.
413 (cleanup_dead_labels): Use XCNEWVEC.
414 (tree_duplicate_sese_region): Use XNEWVEC.
415 * tree-scalar-evolution.c (get_instantiated_value): Likewise.
416 * tree-ssa.c (verify_ssa): Use XCNEWVEC.
417 (int_tree_map_eq): Use explicit cast to convert from void *.
418 * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
419 (__gcov_execl): Likewise.
420 (__gcov_execlp): Likewise.
421 (__gcov_execle): Likewise.
422 * tree-eh.c (struct_ptr_eq): Likewise.
423 (struct_ptr_hash): Likewise.
424 (lookup_stmt_eh_region_fn): Likewise.
425 (outside_finally_tree): Likewise.
426 (find_goto_replacement): Likewise.
427 (make_eh_edge): Likewise.
428 (mark_eh_edge): Likewise.
429 (add_stmt_to_eh_region_fn): Use GGC_NEW.
430 (record_in_finally_tree): Use XNEW.
431 (maybe_record_in_goto_queue): Use XRESIZEVEC.
432 (lower_try_finally_copy): Use XCNEWVEC.
434 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
436 * tree-inline.c (copy_body_r): Use explicit cast when converting
439 (copy_edges_for_bb): Likewise.
440 (remap_decl_1): Likewise.
441 (estimate_num_insns_1): Likewise.
442 * cgraph.c (hash_node): Use explicit cast when converting from
445 (cgraph_create_node): Use GGC_CNEW.
446 (cgraph_create_edge): Use GGC_NEW.
447 (cgraph_remove_node): Use explicit cast when converting from void *.
448 (hash_varpool_node): Likewise.
449 (eq_varpool_node): Likewise.
450 (cgraph_varpool_node): Use GGC_CNEW.
451 * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
452 * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
453 (eq_scev_info): Use explicit cast when converting from void *.
454 (find_var_scev_info): Likewise.
455 (set_instantiated_value): Likewise.
456 (gather_stats_on_scev_database_1): Likewise.
457 * cfgloop.h (simple_loop_desc): Use explicit cast when converting
459 * c-pch.c (c_common_write_pch): Use XNEWVEC.
460 (c_common_read_pch): Likewise.
461 * prefix.c (save_string): Use XNEWVEC.
462 (translate_name): Use explicit cast when converting from void *.
463 * c-ppoutput.c (print_line): Use explicit cast when converting
465 (pp_dir_change): Likewise.
466 * c-cppbuiltin.c (builtin_define_std): Likewise.
467 (builtin_define_with_value): Likewise.
468 (builtin_define_with_value_n): Likewise.
469 (builtin_define_with_int_value): Likewise.
470 (builtin_define_type_max): Likewise.
471 * c-incpath.c (add_env_var_paths): Use XNEWVEC.
472 (add_path): Use XNEW.
473 * c-format.c (check_format_info_main): Use GGC_NEW.
474 (format_type_warning): Use explicit cast when converting from void *.
475 * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
477 (start_init): Likewise.
478 * tree-flow-inline.h (first_referenced_var): Use explicit cast
479 when converting from void *.
480 (next_referenced_var): Likewise.
481 * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
482 * gensupport.c (lookup_predicate): Use explicit cast to convert
484 (init_predicate_table): Use XCNEW instead of xcalloc.
485 * genpreds.c (process_define_predicate): Likewise.
487 2005-12-17 Danny Berlin <dberlin@dberlin.org>
488 Kenneth Zadeck <zadeck@naturalbridge.com>
490 * basic-block.h: Changed basic block numbering so that the entry
491 block is 0 and the exit block is 1. Changed insn iterators so
492 that they are tolerant of blocks with no insns.
493 * regrename.c (copyprop_hardreg_forward): Changed basic block
494 numbering so that the entry block is 0 and the exit block is 1.
495 * sched-ebb.c (sehedule_ebbs): Ditto.
496 * tracer.c (branch_ratio_cutoff): Ditto.
497 * cfgloopmanip.c (fix_loop_structure): Ditto.
498 * cfghooks.c (verify_flow_info): Ditto.
499 * cfg.c (compact_blocks): Ditto.
500 * reorg.c (dbr_schedule): Ditto.
501 * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
502 * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
503 calculate_dominance_info): Ditto.
504 * cfganal.c (create_edge_list, print_edge_list,
505 flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
506 flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
507 dfs_enumerate_from): Ditto.
508 * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
509 * ifcvt.c (find_if_case_2): Ditto.
510 * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
511 find_basic_blocks): Ditto.
512 * predict.c (predict_loops, tree_bb_level_predictions,
513 predict_paths_leading_to, propagate_freq): Ditto.
514 * lcm.c (compute_antinout_edge, compute_laterin,
515 compute_available): Ditto.
516 * function.c (thread_prologue_and_epilogue_insns): Ditto.
517 * gcse.c (gcse_main, bypass_jumps): Ditto.
518 * profile.c (compute_branch_probabilities,
519 compute_value_histograms, branch_prob): Ditto.
520 * tree-flow-inline.h (bsi_start, bsi_after_labels,
522 * tree-ssa-phiopt.c (tree_ssa_phiopt,
523 blocks_in_phiopt_order): Ditto.
524 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
525 compute_out, link_btr_uses, migrate_btr_defs): Ditto.
526 * tree-dfa.c (collect_dfa_stats): Ditto.
527 * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
528 * cfglayout.c (fixup_reorder_chain): Ditto.
529 * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
530 partition_hot_cold_basic_blocks): Ditto.
531 * var-tracking.c (vt_find_locations): Ditto.
532 * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
533 * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
534 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
535 label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
536 * tree-ssa-reassoc.c (init_reassoc): Ditto.
537 * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
538 rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
539 * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
540 and removed unused reverse orders.
542 * combine.c: Fix document typo.
544 2005-12-17 Jan Hubicka <jh@suse.cz>
546 * tree-flow-inline.h (set_default_def, default_def): Kill.
547 * tree-dfa.c (default_defs): New global variable.
548 (default_def, set_default_def): New functions.
549 * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
550 * tree-flow.h (struct var_ann_d): Kill default_def field.
551 (set_default_def, default_def): Update prototype.
552 (default_defs): Declare.
554 2005-12-16 Jeff Law <law@redhat.com>
556 * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
557 (simplify_rhs_and_lookup_avail_expr): Kill. Remnants moved
558 into tree-ssa-forwprop.c.
559 (eliminate_redundant_computations): Do not call
560 simplify_rhs_and_lookup_avail_expr anymore.
561 * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
562 extracted from remnants of simplify_rhs_and_lookup_avail_expr.
563 (tree_ssa_forward_propagate_single_use_vars): Call
564 simplify_not_neg_expr appropriately.
566 2005-12-16 Bernd Trog <berndtrog@yahoo.com>
569 * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
571 2005-12-17 Kazu Hirata <kazu@codesourcery.com>
573 PR rtl-optimization/25456
574 * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
575 info->x_start with p->x_start.
577 2005-12-17 Alan Modra <amodra@bigpond.net.au>
579 * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
580 introduced 2005-12-16.
582 2005-12-16 Steven Bosscher <stevenb@suse.de>
584 PR rtl-optimization/23837
585 * optabs.c (expand_binop): For a multi-word rotate, never emit
586 a REG_NO_CONFLICT block.
588 2005-12-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
591 * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
594 * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
597 2005-12-16 Steven Bosscher <stevenb@suse.de>
599 * loop-invariant.c (move_loop_invariants): Add missing hunk from
600 the previous patch, to nullify df.
602 2005-12-16 Steven Bosscher <stevenb@suse.de>
604 * reorg.c (mostly_true_jump): Clean up code depending on
605 LABEL_OUTSIDE_LOOP_P and loop notes. Remove code doing
606 poor man's branch prediction, instead rely on REG_BR_PROB
607 notes to be available.
609 2005-12-16 Jakub Jelinek <jakub@redhat.com>
611 PR rtl-optimization/24899
612 * loop.c (strength_reduce): Don't reduce giv that is not always
613 computable and where add_val or mult_val can trap.
615 * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
617 2005-12-16 Nathan Sidwell <nathan@codesourcery.com>
619 * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
620 names of ms1-16-002 files.
622 2005-12-16 Alan Modra <amodra@bigpond.net.au>
625 * gcc.c (for_each_path): New function.
626 (add_to_obstack, file_at_path): New functions.
627 (struct file_at_path_info, struct add_to_obstack_info): New.
628 (build_search_list): Rewrite using for_each_path. Constify struct
629 path_prefix pointer. Add do_multi param. Adjust all callers.
630 (find_a_file): Similarly, but just change existing param to bool.
631 (putenv_from_prefixes): Add do_multi param, make "paths" const.
632 (do_spec_path): Delete.
633 (struct spec_path_info): New.
634 (spec_path): New function.
635 (do_spec_1): Use for_each_path for %D and %I.
636 (find_file): Adjust for find_a_file changes.
637 (main): Search multilibs for specs. Print multilib lib path for
638 -print-search-dirs. Likewise add multilibs to LIBRARY_PATH_ENV.
639 (read_specs): Search multilibs for %include and %include_noerr.
640 (is_directory): Remove second string param. Change last param
641 to a bool. Don't use concat. Remove SMALL_ARG_MAX test, always
642 check path is a dir. Update all callers.
643 * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
644 * system.h (SMALL_ARG_MAX): Poison.
645 * config.gcc: Don't define SMALL_ARG_MAX.
646 * config.host: Likewise.
647 * config.build: Likewise.
649 2005-12-16 Paolo Bonzini <bonzini@gnu.org>
651 * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
652 FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
653 ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
654 simplify_logical): Move simplifications that do not require
655 additional infrastructure...
656 * simplify-rtx.c (simplify_unary_operation_1,
657 simplify_binary_operation_1): ... here.
659 2005-12-16 Andreas Krebbel <krebbel1@de.ibm.com>
662 * flow.c (mark_used_dest_regs): New function.
663 (mark_used_regs): Call mark_used_dest_regs.
665 2005-12-16 Jeff Law <law@redhat.com>
667 * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
668 represent a use and definition of the same SSA_NAME.
670 2005-12-16 Jon Grimm <jgrimm2@us.ibm.com>
671 Janis Johnson <janis187@us.ibm.com>
672 Ben Elliston <bje@au.ibm.com>
674 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
675 (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
676 * target.h (struct gcc_target): Add decimal_float_supported_p.
677 * targhooks.c (default_scalar_mode_supported_p): Handle
679 * builtins.def: Add new builtins for 32, 64 and 128 bit variants
680 of inf, nan, finite, isinf and isnan.
681 * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
682 BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
683 BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
684 BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
685 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
686 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
687 BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
688 * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
689 Pedwarn if decimal floating point types are used. Error if
690 decimal floating point is not supported by the target.
691 (finish_declspecs): Return type from DFP typespec_word.
692 * c-typeck.c (c_common_type): Choose the decimal floating point
693 type with the greater precision when determining a common type.
694 (convert_arguments): Warn if there is a mismatch between argument
695 and prototype for decimal float types. Warn of conversions with
696 binary float types and of precision narrowing due to prototype.
697 * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
698 (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
699 (c_token_starts_declspecs): Likewise.
700 (c_parser_attributes): Likewise.
701 * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
702 RID_DFLOAT64, RID_DFLOAT128.
703 (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
704 * c-common.c (c_common_type_for_mode): Handle decimal float modes.
705 (shorten_compare): Convert DFP/BFP operands to a common type.
706 (c_common_modes_and_builtins): Register built-in decimal float
707 types if the target supports them.
708 (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
709 * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
710 inf, nan, finite, isinf and isnan builtins.
711 * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
712 (builtin_define_float_constants): Assert non-decimal radix.
713 (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
714 Call builtin_define_decimal_float_constants for each type.
715 * c-lex.c (interpret_float): Decode decimal float types from CPP_N
716 flags. Use real_from_string3, which can handle binary or decimal
718 * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
719 cts_dfloat64, cts_dfloat128.
720 * tree.c (build_common_tree_nodes_2): Add decimal float types.
721 * tree.h (enum tree_index): Add new enumeration values
722 TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
723 TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
724 (dfloat32_type_node): New macro.
725 (dfloat64_type_node, dfloat128_type_node): Likewise.
726 (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
727 (dfloat128_ptr_type_node): Likewise.
728 * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
729 bit decimal floating point types with "df", "dd" and "dl".
730 * c-format.h (enum format_lengths): Add new enumeration values
731 FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
732 * c-format.c (printf_length_specs, scanf_length_specs): Add
733 entries for H, D, DD.
734 (print_char_table, scan_char_table): Use new entries.
735 (asm_fprintf_char_table, gcc_diag_char_table,
736 gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
738 * defaults.h (DECIMAL32_TYPE_SIZE): Define.
739 (DECIMAL64_TYPE_SIZE): Likewise.
740 (DECIMAL128_TYPE_SIZE): Likewise.
741 (TARGET_DEC_EVAL_METHOD): Likewise.
742 * doc/extend.texi (Decimal Float): New node.
743 (Constructing Calls): Document decimal float built-ins.
744 * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
745 * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
746 * ginclude/decfloat.h: New file.
748 2005-12-16 Alan Modra <amodra@bigpond.net.au>
750 * reload.c (find_reloads): Fix comment typo.
751 * recog.h (recog_memoized): Correct comment.
753 2005-12-16 Kazu Hirata <kazu@codesourcery.com>
755 * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
756 config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
757 reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
758 tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
759 * doc/invoke.texi, doc/tm.texi: Fix typos.
761 2005-12-16 Ben Elliston <bje@au.ibm.com>
763 * real.c (decimal_quad_format): Correct values for emin, emax.
765 2005-12-15 DJ Delorie <dj@redhat.com>
767 * config/m32c/predicates.md (m32c_psi_scale): New.
768 * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
769 * config/m32c/muldiv.md (mulpsi3): Support negative constants.
771 2005-12-16 Jan Hubicka <jh@suse.cz>
773 PR rtl-optimization/25224
774 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
777 2005-12-15 Zdenek Dvorak <dvorakz@suse.cz>
778 Steven Bosscher <stevenb@suse.de>
780 * loop-invariant.c (df): New global variable.
781 (find_defs, check_dependencies, find_invariant_insn, record_uses,
782 find_invariants_bb, find_invariants_body, find_invariants,
783 find_invariants_to_move, move_invariants, free_inv_motion_data,
784 move_single_loop_invariants, move_loop_invariants): Do not pass df in
787 2005-12-15 Jakub Jelinek <jakub@redhat.com>
789 * varasm.c (default_unique_section_1): Use special section
790 names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
792 2005-12-16 Ben Elliston <bje@au.ibm.com>
794 * doc/invoke.texi (Warning Options): Document -Walways-true being
797 2005-12-15 Joseph S. Myers <joseph@codesourcery.com>
800 * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
801 * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
802 __floatunditf): Use #error if type sizes don't match requirements
804 (__floatdisf, __floatdidf): Unify. Possibly use XFmode or TFmode
805 as wider floating-point type. Use #error if type sizes don't
806 match requirements of implementation. Avoid overflow in computing
807 Wtype_MAXp1_F * Wtype_MAXp1_F. When special casing conversion,
808 shift one more bit. Cast 1 to DWtype or UDWtype for shifting.
809 (__floatundisf, __floatundidf): Likewise.
810 * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
811 * config/ia64/ia64.c (ia64_init_libfuncs): Use
812 _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
813 TFmode-TImode conversions.
814 * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
816 2005-12-14 Craig Rodrigues <rodrigc@gcc.gnu.org>
818 * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
819 Use builtin_define_with_int_value() instead of
820 adding a new check for every new major FreeBSD version.
822 2005-12-14 Andrew Pinski <pinskia@physics.uc.edu>
824 * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
826 2005-12-15 Richard Sandiford <richard@codesourcery.com>
828 * config/arm/predicates.md (call_memory_operand): New.
829 * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
831 2005-12-15 Andrew Haley <aph@redhat.com>
833 * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
834 against prev_cache_entry == NULL when moving a cache entry to the
837 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
839 * config/mt/mt.c (mt_override_options): Require lower case
840 architectures. Revert accidental default to ms2.
841 * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
842 ENDFILE_SPEC): Require lower case architectures. Revert default
845 * doc/invoke.texi (MT Options): Rename and update.
846 * doc/md.texi (MorphoTech family): Rename and update.
848 2005-12-15 Olivier Hainque <hainque@adacore.com>
850 * stor-layout.c (layout_type): Don't complain about a too small
851 an array element type size compared to its alignment when the
854 2005-12-15 Jan Hubicka <jh@suse.cz>
857 * i386.c (classify_argument): Properly adjust offset of bitfield for
860 2005-12-15 Richard Sandiford <richard@codesourcery.com>
862 * final.c (final_scan_insn): Flip in_cold_section_p when changing
863 between the hot and cold sections. Use current_function_section
864 to get the new section.
865 * dwarf2out.c (output_line_info): Use in_cold_section_p to
866 determine whether we are assembling hot or cold code.
867 (secname_for_decl, dwarf2out_var_location): Likewise.
868 (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
869 * varasm.c (last_text_section): Delete.
870 (in_cold_section_p): New variable.
871 (hot_function_section): New function.
872 (current_function_section): Pass in_cold_section_p as the
873 reloc argument to select_section. Use it to decide between
874 unlikely_function_section and hot_function_section.
875 (assemble_start_function): Use switch_to_section. Set
876 in_cold_section_p instead of last_text_section.
877 (assemble_end_function): Use switch_to_section.
878 (switch_to_section): Don't set last_text_section.
879 * config/darwin/darwin.c (machopic_select_section): Trust the reloc
880 argument to make the right choice between hot and cold sections.
882 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
884 Second part of MS1->MT renaming
885 * config/mt/mt.md (doloop_end): Call mt_add_loop.
886 (movqi, movhi): Call mt_set_memflags.
887 (*movdf_internal): Call mt_split_words.
888 (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
890 (cmpsi): Store to mt_compare_op[01].
891 (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
892 bungt, bunle, bunlt): Call mt_emit_cbranch.
893 (prologue): Call mt_expand_prologue.
894 (epilogu): Call mt_expend_epilogue.
895 (eh_return): Call mt_expand_eh_return.
896 (eh_epilogue): Call me_emit_eh_epilogue.
897 (conditional_trap): Store to mt_compare_op[01].
898 * config/mt/crti.asm: Adjust comment.
899 * config/mt/crtn.asm: Adjust comment.
900 * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
901 (mt_compare_op0, mt_compare_op1): Renamed.
902 (current_frame_info, zero_frame_info): Adjust type.
903 (mt_ucmpsi3_libcall): Renamed.
904 (mt_flag_delayed_branch): Renamed.
905 (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
906 (mt_nops_required, mt_nop_reasons): Renamed.
907 (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
908 mt_debug_stack, mt_print_operand_simple_address,
909 mt_print_operand_address, mt_print_operand): Renamed, adjusted.
910 (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
911 mt_function_arg_advance, mt_arg_partial_bytes,
912 mt_pass_by_reference, mt_function_arg_boundary,
913 mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
914 mt_legitimate_address_p): Renamed, adjusted.
916 (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
917 mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
918 mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p,
919 mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
920 mt_expand_eh_return, mt_emit_eh_prologue,
921 mt_handl_interrupt_attribute): Renamed, adjusted.
922 (mt_attribute_table): Renamed, adjusted.
923 (mt_initial_elimination_offset, mt_generate_compare,
924 mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
925 mt_secondary_reload_class, mt_function_value, mt_split_words,
926 mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
927 mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
928 (mt_labels): Renamed.
929 (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
930 mt_machine_reorg): Renamed, adjusted.
931 (mt_attribute_table: Renamed.
932 (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
933 TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
934 TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
935 * config/mt/mt.opt (march): Set mt_cpu_string.
936 * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
937 (TARGET_CPU_CPP_BUILTINS): Adjust.
938 (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
940 (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
941 (MT_MIN_INT): Renamed.
942 (RETURN_ADDR_RTX): Adjust.
943 (struct mt_frame_info): Renamed.
944 (current_frame_info): Adjust type.
945 (INITIAL_ELIMINATION_OFFSET): Adjust.
946 (MT_NUM_ARG_REGS): Renamed.
947 (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
948 FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
949 LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
950 GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
951 FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
952 (mt_compare_op0, mt_compare_op1): Renamed.
953 * config/mt/mt-protos.h: Rename prototypes.
955 2005-12-15 Richard Guenther <rguenther@suse.de>
957 * tree-flow.h (okay_component_ref_for_subvars): Remove.
958 (get_ref_base_and_extent): Declare.
959 * tree-dfa.c (okay_component_ref_for_subvars): Remove.
960 (get_ref_base_and_extent): New function.
961 * tree-ssa-alias.c (find_used_portions): Use it.
962 * tree-ssa-structalias.c (get_constraint_for_component_ref):
964 * tree-ssa-operands.c (get_expr_operands): Likewise.
966 2005-12-15 Paolo Bonzini <bonzini@gnu.org>
968 * combine.c: Remove force_to_mode's fourth parameter.
969 (force_to_mode): Do not handle REG.
970 (canon_reg_for_combine): New.
971 (make_field_assignment): Use it where the removed argument was non-NULL.
973 2005-12-15 Alan Modra <amodra@bigpond.net.au>
976 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
977 error_mark_node. Make alignment params unsigned.
978 * config/rs6000/rs6000-protos.h
979 (rs6000_special_round_type_align): Update prototype.
980 (rs6000_machopic_legitimize_pic_address): Remove arg names.
982 2005-12-14 Ulrich Weigand <uweigand@de.ibm.com>
984 PR rtl-optimization/25310
985 * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
986 of the eliminable register when substituting into a PLUS.
988 2005-12-14 Jakub Jelinek <jakub@redhat.com>
991 * config/i386/i386.c (ix86_force_to_memory): Always use
992 SImode push for HImode in -m32.
993 (ix86_free_from_memory): Likewise.
995 2005-12-14 Richard Sandiford <richard@codesourcery.com>
997 * gcc/config/arm/arm.md: Provide a big-endian version of the
998 (zero_extend:SI (subreg:QI ...)) splitter.
1000 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
1002 * struct-equiv.c (note_local_live): Handle hard regs with different
1005 2005-12-14 Jeff Law <law@redhat.com>
1007 * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
1008 to a structure containing state rather than a pointer to bool.
1009 (case ARRAY_REF): New code to handle folding some array references.
1010 (case ADDR_EXPR): Note when we are processing expressions found
1011 within an ADDRE_EXPR.
1012 (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
1013 for state variables rather than just a pointer to a boolean.
1014 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1015 handling of constant string references.
1017 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
1019 * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
1020 ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
1021 ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
1022 Move other tst* patterns to retain partial order.
1024 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
1026 * config/s390/s390.md ("d0", "1"): New mode attributes.
1027 ("<shift>di3", "<shift>si3"): Merge.
1028 ("*<shift>di3_and", "*<shift>si3_and"): Merge.
1029 ("ashrdi3", "ashrsi3"): Merge.
1030 ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
1031 ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
1032 ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
1033 ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
1034 ("*ashrdi3", "*ashrsi3"): Merge.
1035 ("*ashrdi3_and", "*ashrsi3_and"): Merge.
1037 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
1039 * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
1040 ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
1041 ("*extendqidi2", "*extendqisi2") Merge.
1042 ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
1043 ("zero_extendhidi2", "zero_extendqidi2"): Merge.
1044 ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
1045 Move some patterns to retain partial ordering.
1047 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
1049 * config/s390/s390.md ("atype", "length"): Rewrite.
1050 ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
1052 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
1054 * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
1056 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
1058 * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
1059 PARALLELs with a mode.
1061 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
1063 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
1064 cond_expr parameter.
1066 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
1068 * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
1070 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
1074 * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
1077 * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
1079 2005-12-14 Jakub Jelinek <jakub@redhat.com>
1083 * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
1084 DECL_P, call get_section rather than get_named_section. Supply
1085 section flags to it.
1087 2005-12-14 Ben Elliston <bje@au.ibm.com>
1089 * c-common.c (c_common_truthvalue_conversion): Generalise warning
1090 for addresses converted to booleans; not just function addresses.
1091 * c-typeck.c (build_binary_op): Warn for address comparisons which
1092 can never be NULL (eg. func == NULL or &var == NULL).
1093 * common.opt (Walways-true): New option.
1094 * c-opts.c (c_common_handle_option): Set it with -Wall.
1095 * doc/invoke.texi: Document it.
1097 2005-12-13 Paul Brook <paul@codesourcery.com>
1099 * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
1100 __floatunsidf, __floatunsisf, __floatunsixf): New functions.
1102 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
1104 * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
1105 (EXTRA_MULTILIB_PARTS): Define.
1107 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
1109 PR rtl-optimization/20070 / part1
1110 * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
1111 count_or_remove_death_notes with kill == -1.
1112 (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
1113 registers if PROP_POST_REGSTACK is set.
1114 (mark_used_reg): Likewise.
1115 (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
1116 REG_UNUSED notes for stack regs.
1117 * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
1118 to match rtx_equiv_p machinery. Change caller.
1119 (outgoing_edges_match): Likewise.
1120 (try_crossjump_to_edge): Use struct_equiv_block_eq
1121 instead of flow_find_cross_jump.
1122 * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
1123 (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
1124 (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
1125 (STRUCT_EQUIV_MAX_LOCAL): Likewise.
1126 (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
1127 (insns_match_p): Update prototype.
1128 (flow_find_cross_jump): Remove prototype.
1129 (struct_equiv_block_eq, struct_equiv_init): Declare.
1130 (rtx_equiv_p, condjump_equiv_p): Likewise.
1131 * struct-equiv.c: Include reload.h.
1132 (IMPOSSIBLE_MOVE_FACTOR): Define.
1133 (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
1134 (struct_equiv_improve_checkpoint): Likewise.
1135 (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
1136 (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
1137 (struct_equiv_merge, find_dying_input): Likewise.
1138 (resolve_input_conflict, note_local_live): Likewise.
1139 (death_notes_match_p): Change parameters and processing
1140 to match rtx_equiv_p machinery. Change caller.
1141 (insns_match_p): Likewise.
1142 (flow_find_cross_jump): Replace with:
1143 (struct_equiv_block_eq).
1145 Back out this change:
1146 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
1147 * recog.c (verify_changes): Make it static.
1148 * recog.h: Remove the corresponding prototype.
1150 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
1152 * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
1155 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
1157 * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
1158 (MULTILIB_DIRNAMES): Add ms2. Prefix ms1 dirs with 'ms1'.
1159 * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
1160 TARGET_MS1_64_001 appropriately.
1161 (ms1_machine_reorg): Use TARGET_MS2.
1163 2005-12-13 Jakub Jelinek <jakub@redhat.com>
1167 * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
1168 and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
1169 Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
1170 * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
1171 Set mode to SI, adjust constraints.
1172 (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
1173 * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
1176 2005-12-13 Carlos O'Donell <carlos@codesourcery.com>
1178 * c-cppbuiltin.c (builtin_define_float_constants): Add
1179 fp_cast parameter, pass to builtin_define_with_hex_fp_value.
1180 Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
1181 (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
1182 (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
1183 to "((double)%sL)" otherwise "%s".
1185 2005-12-13 Paul Brook <paul@codesourcery.com>
1187 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
1190 2005-12-11 Rafael vila de Espndola <rafael.espindola@gmail.com>
1192 * tree-flow.h: Allow compilation with a C++ compiler.
1193 (struct edge_prediction): Prefix all field names with "ep_".
1194 * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
1195 (tree_predict_edge, combine_predictions_for_bb): Likewise.
1196 (remove_predictions_associated_with_edge): Likewise.
1198 2005-12-12 Jeff Law <law@redhat.com>
1200 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1202 * passes.c (init_optimization_passes): Run reassociation again
1203 after loop optimizations.
1205 2005-12-12 Daniel Berlin <dberlin@dberlin.org>
1207 * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
1209 (optimize_stmt): Ditto.
1210 (canonicalize_comparison): New function.
1211 * tree-ssa-operands.c (swap_tree_operands): Make external.
1212 (get_expr_operands): Stop auto-canonicalization.
1213 * tree-ssa-reassoc.c: Rewrite.
1214 (init_optimization_passes):
1215 * tree-flow.h (swap_tree_operands): Prototype.
1216 * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
1218 2005-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1220 * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
1221 indicate function epilogue has been output.
1222 (pa_asm_output_mi_thunk): Likewise.
1223 (output_deferred_plabels): Put plabels in readonly data section when
1224 not generating PIC code.
1225 (som_output_text_section_asm_op): Use .NSUBSPA to output debug
1226 information. Add assert.
1227 (som_output_comdat_data_section_asm_op): New function.
1228 (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
1229 instead of output_section_asm_op for COMDAT sections.
1231 2005-12-12 J"orn Rennecke <joern.rennecke@st.com>
1233 * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
1234 Fix whitespace in vincinity of to-be-installed changes.
1235 * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
1236 (insns_match_p): Likewise.
1238 2005-12-12 Nathan Sidwell <nathan@codesourcery.com>
1240 * config.gcc (ms1): Replace with ...
1242 * config/ms1: Rename to ...
1243 * config/mt: ... here. Rename ms1 files to mt.
1244 * config/mt/mt.c: Adjust gt-mt.h #include.
1245 * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
1246 (crti.o, crtn.o): Adjust file names.
1248 2005-12-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1250 * varray.h: Allow compilation with a C++ compiler.
1251 (union varray_data_tag): Prefix all field names with "vdt_".
1252 (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
1253 VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
1254 VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
1255 VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
1256 VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
1257 VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
1258 (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
1259 VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT,
1260 VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT,
1261 VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR,
1262 VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR,
1263 VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE,
1264 VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB,
1265 VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
1266 (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT,
1267 VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT,
1268 VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT,
1269 VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR,
1270 VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX,
1271 VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP,
1272 VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE,
1273 VARRAY_TOP_TREE_PTR): Likewise.
1274 * varray.c (varray_grow): Likewise.
1275 (varray_clear): Likewise.
1277 2005-12-12 Alan Modra <amodra@bigpond.net.au>
1280 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
1281 alignment to doubleword if the first field is a double array.
1282 * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
1284 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1286 * tree-ssa-structalias.c (process_constraint): Remove code to
1287 transform addressofs into scalar.
1288 (create_variable_info_for): In whole-program IPA, globals don't
1289 point to ANYTHING by default.
1291 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1293 * timevar.def (TV_IPA_PTA): New.
1294 * tree-pass.h (pass_ipa_pta): New
1295 * tree-ssa-structalias.c: Include cgraph.h
1297 (predbitmap_obstack): New.
1298 (EXECUTE_IF_IN_NONNULL_BITMAP): New.
1299 (struct constraint_stats): Add num_edges.
1300 (new_var_info): Don't call bitmap_clear.
1301 (struct constraint_edge): Update docs.
1302 (new_constraint_edge): Remove src param.
1303 (struct constraint_graph): Add zero_weight_succs,
1304 zero_weight_preds. Update docs.
1305 (constraint_expr_equal): Reformat.
1306 (constraint_edge_equal): Update for removal of src.
1307 (constraint_edge_less): Ditto.
1308 (constraint_edge_vec_find): Ditto.
1309 (erase_graph_self_edge): Update for removal of src and and zero
1311 (clear_edges_for_node): Ditto.
1312 (add_graph_edge): Ditto.
1313 (get_graph_weights): Ditto.
1314 (allocate_graph_weights): Ditto.
1315 (merge_graph_nodes): Ditto.
1316 (int_add_graph_edge): Ditto.
1317 (valid_graph_edge): Ditto.
1318 (valid_weighted_graph_edge): Ditto.
1319 (build_constraint_graph): Ditto.
1321 (collapse_nodes): Ditto.
1322 (process_unification_queue): Ditto.
1323 (topo_visit): Ditto.
1324 (solve_graph): Ditto.
1325 (do_structure_copy): Ditto.
1326 (perform_var_substitution): Ditto.
1327 Init and release obstack.
1328 (handle_ptr_arith): Try to resolve directly.
1329 (find_func_aliases): Don't call update_alias_info here
1330 Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
1331 (do_sd_constraint): Add code for propagating faster.
1333 (do_ds_constraint): Ditto.
1334 (count_num_arguments): New function.
1335 (create_function_info_for): Ditto.
1336 (create_variable_info_for): Handle FUNCTION_DECL.
1337 (intra_create_variable_infos): Use make_constraint_to_anything.
1338 (init_alias_vars): Init obstacks here.
1339 (need_to_solve): Handle zero weight graph changes.
1340 (compute_points_to_sets): Call update_alias_info here.
1341 (delete_points_to_sets): Free zero weight preds/succs here.
1342 (gate_ipa_pta): New.
1343 (ipa_pta_execute): New
1345 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1347 * tree-ssa-structalias.c (var_anyoffset): Removed.
1348 (anyoffset_tree): Ditto.
1349 (anyoffset_id): Ditto.
1350 (do_deref): Take vector of constraints, no return value.
1351 Update to work on vector.
1352 (get_constraint_for): Ditto.
1353 (get_constraint_for_component_ref): Ditto.
1354 (do_structure_copy): Ditto.
1355 (handle_ptr_arith): Ditto.
1356 (find_func_aliases): Ditto.
1357 (set_uids_in_ptset): Remove anyoffset handling.
1358 (init_base_vars): Ditto.
1360 2005-12-10 Mark Mitchell <mark@codesourcery.com>
1363 * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
1364 DECL_EXTERNAL functions have no bodies. Tidy.
1366 2005-12-10 Andreas Schwab <schwab@suse.de>
1368 * except.c (switch_to_exception_section): Only define if
1369 TARGET_UNWIND_INFO is not defined.
1371 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1373 * config/darwin.h (HAS_INIT_SECTION): Remove definition.
1374 (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
1376 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1378 * output.h (init_section, fini_section): Delete.
1379 * varasm.c (init_section, fini_section): Delete.
1380 (init_varasm_once): Don't initialize them.
1381 * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
1382 there are no corresponding varasm.c variables.
1384 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1386 * dwarf2out.c (default_eh_frame_section): Delete, moving handling
1387 of EH_FRAME_SECTION_NAME into...
1388 (switch_to_eh_frame_section): ...here. Try to set eh_frame_section
1389 if it is still null.
1390 * except.c (default_exception_section): Delete, moving most
1392 (switch_to_exception_section): ...this new function. Set
1393 exception_section if it is still null, then switch to it.
1394 (output_function_exception_table): Use switch_to_exception_section.
1395 * varasm.c (exception_section, eh_frame_section): Update comments.
1396 (get_section): Hoist use of SECTION_NAMED.
1397 (init_varasm_once): Don't set exception_section and eh_frame_section.
1398 * output.h (default_exception_section): Delete.
1399 (default_eh_frame_section): Delete.
1401 2005-12-09 Bernd Schmidt <bernd.schmidt@analog.com>
1403 * config/bfin/bfin.c: Include "cgraph.h".
1404 (bfin_load_pic_reg): Omit loading pic reg if in a local function.
1405 Return the reg that holds the pointer to the GOT.
1406 (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
1407 doing stack checking.
1409 2005-12-09 Diego Novillo <dnovillo@redhat.com>
1411 * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
1412 recompute_tree_invarant_for_addr_expr.
1413 Update uses everywhere.
1415 2005-12-09 Aldy Hernandez <aldyh@redhat.com>
1417 * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
1418 (MULTILIB_DIRNAMES): Define.
1420 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
1423 * config/s390/s390.c (struct s390_address): New field literal_pool.
1424 (s390_decompose_address): Compute literal_pool field. Do not
1425 assume register %r13 is always (and solely) used as pool base.
1426 (s390_extra_constraint_str): Use literal_pool field.
1428 2005-12-09 Thiemo Seufer <ths@networkno.de>
1430 * config/mips/mips.c (override_options): Don't allow too small
1431 integers in FP registers.
1433 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
1435 * config/s390/s390.c (s390_function_ok_for_sibcall): Use
1436 targetm.binds_local_p to check for local function calls.
1438 2005-12-09 Alan Modra <amodra@bigpond.net.au>
1441 * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1442 call_used_regs can't be used to save reg in another reg.
1444 2005-12-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1445 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1447 * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1449 * except.c (output_ttype): Likewise.
1450 * tree-object-size.c (collect_object_sizes_for): Likewise.
1451 (check_for_plus_in_loops_1): Likewise.
1452 (check_for_plus_in_loops): Likewise.
1453 (compute_object_sizes): Use gcc_unreachable instead of abort.
1455 2005-12-08 Nathan Sidwell <nathan@codesourcery.com>
1457 * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1458 (loop_end, loop_init, doloop_end): New insns.
1459 * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1460 (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1461 (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1462 (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1463 * config/ms1/ms1.c: #include basic-block.h
1464 (struct machine_function): Add has_loops field.
1465 (ms1_add_loop): New.
1466 (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1467 (struct loop_info, struct loop_work): New.
1468 (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1469 (ms1_reorg_loops): New loop optimization.
1470 (ms1_machine_reorg): Call it.
1471 * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1473 2005-12-08 Zdenek Dvorak <dvorakz@suse.cz>
1475 PR tree-optimization/25248
1476 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1477 evolution_of_loop from the failed attempt. Remove handling
1480 2005-12-08 Gabriel Dos Reis <gdr@integrable-solutions.net>
1482 * tree.h (DECL_EXTERNAL): Clarify documentation.
1484 2005-12-08 Andreas Krebbel <krebbel1@de.ibm.com>
1485 Jakub Jelinek <jakub@redhat.com>
1488 * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1489 argument. Don't drop outer ANDs.
1490 (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1491 * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1493 * config/s390/predicates.md (setmem_operand): Remove.
1494 (shift_count_operand): Rename to...
1495 (shift_count_or_setmem_operand): ... this. Adjust
1496 s390_decompose_shift_count caller.
1497 * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1498 ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1499 ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1500 <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1501 rotl<mode>3_and, setmem_long_and): New insns.
1502 (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1503 ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1504 <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1505 <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1506 of shift_count_operand.
1507 (setmem_long): Use shift_count_or_setmem_operand instead of
1510 2005-12-08 Daniel Jacobowitz <dan@codesourcery.com>
1511 Andreas Tobler <a.tobler@schweiz.ch>
1513 * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1516 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1518 * expr.c (force_operand): Use convert_to_mode for conversions.
1520 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1522 * reload.h (reg_equiv_invariant): Declare.
1523 * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1524 register also when reg_equiv_invariant[R] is set.
1526 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1527 Andreas Tobler <a.tobler@schweiz.ch>
1529 * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1531 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
1533 * tree-ssa-pre.c (bitmap_set_and): New function.
1534 (bitmap_set_and_compl): New function.
1535 (bitmap_set_empty_p): New function.
1536 (insert_extra_phis): New function.
1537 (compute_avail): Use insert_extra_phis.
1539 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
1541 * config/s390/s390.c (s390_expand_atomic): New function.
1542 Adjust comment of helper functions.
1543 * config/s390/s390-protos.h (s390_expand_atomic): Declare.
1544 * config/s390/s390.md ("ATOMIC"): New code macro.
1545 ("atomic"): Corresponding new code attribute.
1546 ("sync_lock_test_and_set[hq]i",
1547 "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1549 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
1551 * config/s390/s390.c (s390_expand_mask_and_shift,
1552 struct alignment_context, init_alignment_context,
1553 s390_expand_cs_hqi): New.
1554 * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1555 * config/s390/s390.md ("sync_compare_and_swaphi",
1556 "sync_compare_and_swapqi"): New pattern.
1558 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
1560 Fix PR tree-optimization/25291
1561 * tree-ssa-operands.c (add_call_clobber_ops): Remove
1562 redundant and crashing check.
1564 2005-12-08 Alan Modra <amodra@bigpond.net.au>
1567 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1568 tests further when !strict && reload_in_progress.
1569 (print_operand): Check that both operands of indexed address are regs.
1570 (print_operand_address): Likewise.
1571 * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1572 (INT_REG_OK_FOR_BASE_P): Correct.
1574 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1576 Preparation for PR rtl-optimization/20070 / part1
1577 * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1578 * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1579 outgoing_edges_match.
1580 (outgoing_edges_match): Use condjump_equiv_p.
1581 (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1583 * struct-equiv.c: New file.
1584 (death_notes_match_p) New function, broken out of insns_match_p.
1585 * Makefile.in (OBJS-common): Add struct-equiv.o.
1586 (struct-equiv.o): New target.
1588 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1590 * coretypes.h: Revert previous change.
1591 * config/darwin.h: Revert previous reversion.
1592 * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1594 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1596 * coretypes.h (section): Provide dummy definition for target files.
1597 * config/darwin.h: Revert previous change.
1599 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1601 * doc/sourcebuild.texi (all.build, install-normal): Remove.
1602 * configure.ac: Remove all.build and install-normal from target_list
1603 * configure: Regenerate.
1604 * Makefile.in (install): Don't depend on install-normal.
1606 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1608 * Makefile.in: Document the use of stamps.
1610 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1612 * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1613 * Makefile.in: Add code to compute some dependencies on s-gtype
1614 automatically. Remove the declaration of those dependencies.
1616 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1618 * gcc/reload.c (push_secondary_reload): Fix typo:
1619 s/insn_constraint/scratch_constraint/.
1621 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1623 * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1625 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1627 * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1628 (alpha_elf_select_rtx_section): Return the selected section rather
1629 than emitting assembly code.
1630 (alpha_write_linkage): Emit a ".link" directive directly and then
1631 set in_section to NULL.
1632 (vms_asm_out_constructor): Use switch_to_section.
1633 (vms_asm_out_destructor): Likewise.
1634 (unicosmk_output_common): Set in_section to NULL instead of calling
1635 the dummy common_section function.
1636 (unicosmk_text_section): Delete in favor of...
1637 (unicosmk_output_text_section_asm_op): ...this new function.
1638 (unicosmk_data_section): Delete in favor of...
1639 (unicosmk_output_data_section_asm_op): ...this new function.
1640 (unicosmk_init_sections): New function.
1641 (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1642 (unicosmk_output_ssib): Set in_section to NULL instead of calling
1643 the dummy ssib_section function.
1644 (unicosmk_section_buf): Delete.
1645 * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1646 (unicosmk_data_section): Delete.
1647 * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1648 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1649 (SECTION_FUNCTION_TEMPLATE): Delete.
1650 * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1651 (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1652 (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1653 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1654 (TARGET_ASM_INIT_SECTIONS): Define.
1655 * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1656 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1657 (link_section, literals_section): Delete.
1658 (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1659 set in_section to NULL.
1661 * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1662 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1663 (COMMON_SECTION): Delete.
1664 (TARGET_ASM_INIT_SECTIONS): Define.
1665 (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1666 the dummy common_section function.
1667 * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1668 * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1669 between readonly_data_section and text_section to check whether
1670 read-only data is being put in the text section.
1671 (arm_output_function_epilogue): Use switch_to_section.
1672 (arm_elf_asm_constructor): Likewise.
1673 (thumb_call_via_reg): Replace call to in_text_section with
1674 a comparison between in_section and text_section.
1675 (arm_file_end): Use switch_to_section.
1676 (aof_text_section): Delete in favor of...
1677 (aof_output_text_section_asm_op): ...this new function.
1678 (aof_data_section): Delete in favor of...
1679 (aof_output_data_section_asm_op): ...this new function.
1680 (aof_asm_init_sections): New function.
1681 (zero_init_section): Moved from config/arm/aof.h.
1682 (aof_dump_imports, aof_file_start): Use switch_to_section.
1683 * config/arm/arm.h (thumb_call_via_label): Update comment.
1684 * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1685 (common_section): Delete.
1686 * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1687 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1688 global switch_to_section function instead of the old port-local one.
1689 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1690 (SWITCH_TO_SECTION_FUNCTION): Delete.
1691 (drectve_section): Redefine as a macro.
1692 * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1693 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1696 * config/avr/avr.c (progmem_section): New variable.
1697 (avr_output_progmem_section_asm_op): New function.
1698 (avr_asm_init_sections): New function.
1699 (avr_output_addr_vec_elt): Use switch_to_section.
1700 * config/avr/avr.h (progmem_section): Declare.
1701 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1702 (READONLY_DATA_SECTION): Delete.
1703 (TARGET_ASM_INIT_SECTIONS): Define.
1704 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1705 * config/avr/avr-protos.h (progmem_section): Delete.
1707 * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1709 * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1710 (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1712 * config/darwin-sections.def: New file.
1713 * config/darwin.c: Define all sections in darwin-sections.def.
1714 (output_objc_section_asm_op, darwin_init_sections): New functions.
1715 (machopic_output_indirection): Use switch_to_section.
1716 (machopic_select_section): Return the selected section rather than
1717 emitting assembly code. Replace the static function table with
1718 inline conditional expressions. Update the tests of last_text_section
1719 and move them into the FUNCTION_DECL block.
1720 (machopic_select_rtx_section): Return the selected section rather than
1721 emitting assembly code.
1722 (machopic_asm_out_constructor, machopic_asm_out_destructor)
1723 (darwin_file_end): Use switch_to_section.
1724 * config/darwin.h: Use darwin-sections.def to declare sections.
1725 (INIT_SECTION_ASM_OP): Remove empty definition.
1726 (HAS_INIT_SECTION): Define this instead.
1727 (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1728 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1729 (TARGET_ASM_EH_FRAME_SECTION): Delete.
1730 (TARGET_ASM_INIT_SECTIONS): Define.
1731 * config/darwin-protos.h (darwin_init_sections): Declare.
1732 (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1733 (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1734 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1735 (constructor_section, destructor_section, mod_init_section): Delete.
1736 (mod_term_section): Delete.
1737 (darwin_exception_section, darwin_eh_frame_section): Delete.
1738 (machopic_select_section): Return a section.
1739 (machopic_select_rtx_section): Likewise.
1740 (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1741 (const_section, const_coal_section, const_data_section): Delete.
1742 (const_data_coal_section, data_coal_section, cstring_section): Delete.
1743 (literal4_section, literal8_section, constructor_section): Delete.
1744 (mod_init_section, mod_term_section, destructor_section): Delete.
1745 (objc_class_section, objc_meta_class_section, objc_category_section)
1746 (objc_class_vars_section, objc_instance_vars_section): Delete.
1747 (objc_cls_meth_section, objc_inst_meth_section): Delete.
1748 (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1749 (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1750 (objc_symbols_section, objc_module_info_section): Delete.
1751 (objc_image_info_section, objc_protocol_section): Delete.
1752 (objc_string_object_section, objc_constant_string_object_section)
1753 (objc_class_names_section, objc_meth_var_names_section): Delete.
1754 (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1755 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1756 (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1757 (darwin_exception_section, darwin_eh_frame_section): Delete.
1758 * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1760 * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1761 (frv_asm_out_destructor): Likewise.
1762 * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1763 (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1764 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1766 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1767 * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1768 (data_section): Delete.
1770 * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1771 (DRECTVE_SECTION_FUNCTION): Delete.
1772 (drectve_section): Redefine as a macro that sets in_section after
1773 emitting the directive.
1774 (SWITCH_TO_SECTION_FUNCTION): Delete.
1775 * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1776 in_text_section with comparison between in_section and text_section.
1777 * config/i386/i386.c (x86_64_elf_select_section): Return the section
1778 rather than emitting assembly code. Use get_named_section.
1779 (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1781 (machopic_output_stub): Use switch_to_section.
1782 * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1783 (nwld_named_section_asm_out_destructor): Use get_section and
1786 * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1787 rather than emitting assembly code.
1788 (ia64_rwreloc_select_section): Likewise.
1789 (ia64_rwreloc_select_rtx_section): Likewise.
1790 * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1791 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1793 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1794 (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1796 * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1797 section rather than emitting assembly code.
1798 (iq2000_select_section): Likewise.
1799 * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1800 (sbss_section): Delete.
1802 * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1803 and get_named_section.
1804 * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1806 * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1807 (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1808 (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1809 (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1811 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1812 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1813 global switch_to_section function instead of the old port-local one.
1814 * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1815 (SWITCH_SECTION_FUNCTION): Delete.
1816 * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1817 (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1818 (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1819 (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1821 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1822 global switch_to_section function instead of the old port-local one.
1823 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1825 * config/mips/mips.c (mips_file_start): Update comment.
1826 (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1827 (mips_output_aligned_decl_common): Use switch_to_section.
1828 (mips_select_rtx_section): Return the section rather than emitting
1829 assembly code. Use get_named_section.
1830 (mips_function_rodata_section: Likewise get_section.
1831 (build_mips16_function_stub): Use switch_to_section.
1832 * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1833 (SDATA_SECTION_ASM_OP): Delete.
1834 * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1835 (EXTRA_SECTION_FUNCTIONS): Delete.
1837 * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1838 (mmix_asm_output_aligned_local): Use switch_to_section.
1840 * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1841 (som_one_only_readonly_data_section): New variables.
1842 (pa_output_function_epilogue): Set in_section to NULL instead of
1843 calling forget_section.
1844 (output_deferred_plabels): Use select_section.
1845 (pa_asm_output_mi_thunk): Likewise. Set in_section to NULL instead
1846 of calling forget_section.
1847 (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1848 (pa_asm_output_aligned_local): Use select_section.
1849 (som_text_section_asm_op): Delete in favor of...
1850 (som_output_text_section_asm_op): ...this new function.
1851 (pa_som_asm_init_sections): New function.
1852 (pa_select_section): Return the section rather than emitting
1854 * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1855 (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1856 (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1857 (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1858 * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1859 (som_readonly_data_section, som_one_only_readonly_data_section)
1860 (som_one_only_data_section, forget_section): Delete.
1861 * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1862 (TARGET_ASM_INIT_SECTIONS): Define.
1863 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1865 * config/rs6000/rs6000.c (read_only_data_section): New variable.
1866 (private_data_section, read_only_private_data_section): New variables.
1867 (sdata2_section, toc_section): New variables.
1868 (rs6000_file_start): Use switch_to_section.
1869 (rs6000_assemble_integer): Use comparisons against in_section
1870 instead of calling in_toc_section and in_text_section. Use
1871 unlikely_text_section_p.
1872 (rs6000_elf_output_toc_section_asm_op): New function, derived
1873 from the old rs6000/sysv4.h toc_section function.
1874 (rs6000_elf_asm_init_sections): New function.
1875 (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1876 the section rather than emitting assembly code.
1877 (machopic_output_stub): Use switch_to_section.
1878 (toc_section): Delete dummy function.
1879 (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1880 switch_to_section and get_section.
1881 (rs6000_xcoff_output_readonly_section_asm_op): New function.
1882 (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1883 (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1884 the old rs6000/xcoff.h toc_section function.
1885 (rs6000_xcoff_asm_init_sections): New function.
1886 (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1887 the section rather than emitting assembly code.
1888 (rs6000_xcoff_file_start): Use switch_to_section.
1889 (rs6000_xcoff_file_end): Likewise.
1890 * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1891 (sdata2_section, sbss_section, private_data_section): Delete.
1892 (read_only_data_section, read_only_private_data_section): Delete.
1893 * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1894 (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1895 (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1896 (FINI_SECTION_FUNCTION): Delete.
1897 (TARGET_ASM_INIT_SECTIONS): Define.
1898 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1899 * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1900 (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1901 (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1902 (READONLY_DATA_SECTION): Delete.
1903 (TARGET_ASM_INIT_SECTIONS): Define.
1904 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. Set in_section
1905 to NULL rather than no_section.
1906 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1908 * config/sh/sh.c (sh_file_start): Use switch_to_section.
1910 * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1911 (sparc_output_deferred_case_vectors): Likewise. Remove argument
1912 from call to current_function_section.
1914 * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1915 (bss100_section): New variable.
1916 (xstormy16_asm_output_aligned_common): Use switch_to_section.
1917 (xstormy16_asm_init_sections): New function.
1918 (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1919 switch_to_section and get_section.
1920 (xstormy16_output_addr_vec): Use switch_to_section. Remove argument
1921 from calls to current_function_section.
1922 * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1923 (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1924 (TARGET_ASM_INIT_SECTIONS): Define.
1925 * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1927 * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1928 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1929 (FINI_SECTION_FUNCTION): Delete.
1931 * config/v850/v850.c: Include gt-v850.h.
1932 (rosdata_section, rozdata_section, tdata_section, zdata_section)
1933 (zbss_section): New variables.
1934 (v850_output_aligned_bss): Use switch_to_section.
1935 (v850_asm_init_sections): New function.
1936 (v850_select_section): Return the section rather than emitting
1938 * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1939 (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1940 (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1941 (TARGET_ASM_INIT_SECTIONS): Define.
1942 * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1943 (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1944 (zbss_section): Delete.
1946 * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1948 * config/vx-common.h (vxworks_exception_section): Delete.
1949 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1951 * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1952 section rather than emitting assembly code.
1953 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1956 * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1957 * coretypes.h (section): New union and typedef.
1958 * dbxout.c (FORCE_TEXT): Use switch_to_section. Remove argument
1959 from call to current_function_section.
1960 (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1961 (dbxout_symbol_location): Use switch_to_section.
1962 * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1963 most of the code into...
1964 (default_eh_frame_section): ...here. Return a section.
1965 (collect2_eh_frame_section): Delete, moving most of the code into..
1966 (switch_to_eh_frame_section): ...this new function.
1967 (debug_info_section, debug_abbrev_section, debug_aranges_section)
1968 (debug_macinfo_section, debug_line_section, debug_loc_section)
1969 (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1971 (output_call_frame_info): Call switch_to_eh_frame_section instead of
1972 eh_frame_section. Use switch_to_section and get_section.
1973 (dwarf2out_begin_prologue): Use switch_to_section.
1974 (AT_string_form): Check the flags in debug_str_section instead of
1975 DEBUG_STR_SECTION_FLAGS.
1976 (output_comp_unit): Use switch_to_section, get_section, and
1978 (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1979 (dwarf2out_begin_block): Use switch_to_section. Remove argument
1980 from call to current_function_section.
1981 (dwarf2out_var_location): Use unlikely_text_section_p.
1982 (dwarf2out_source_line): Use switch_to_section. Remove argument
1983 from call to current_function_section.
1984 (dwarf2out_start_source_file, dwarf2out_end_source_file)
1985 (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1986 debug_macinfo_section.
1987 (dwarf2out_init): Initialize the new section variables. Use them
1988 instead of calls to named_section_flags. Use switch_to_section.
1989 (output_indirect_string): Use switch_to_section and debug_str_section.
1990 (dwarf2out_finish): Use switch_to_section and the new section
1992 * except.c (default_exception_section): Return the section instead
1993 of emitting assembly code.
1994 (output_function_exception_table): Use the global exception_section
1995 variable instead of the target hook. Use switch_to_section. Remove
1996 argument from call to current_function_section.
1997 * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1998 (shorten_branches): Use pointer comparisons to detect whether the
1999 text section is the same as readonly_data_section.
2000 (profile_function): Use switch_to_section. Remove argument from
2001 call to current_function_section.
2002 (final_scan_insn): Likewise. Update use of last_text_section.
2003 * gengtype.c (open_base_files): Add an include of output.h.
2004 * output.h (text_section, data_section, readonly_data_section)
2005 (ctors_section, dtors_section, bss_section, init_section)
2006 (fini_section, sdata_section): Turn into section pointers.
2007 (in_text_section, in_unlikely_text_section, exports_section)
2008 (drectve_section, named_section, mergeable_string_section)
2009 (last_text_section_name): Delete.
2010 (default_exception_section, default_eh_frame_section): Return sections.
2011 (SECTION_DECLARED, SECTION_NAMED): New macros.
2012 (SECTION_MACH_DEP): Bump value.
2013 (section_common, named_section, unnamed_section): New structures.
2014 (unnamed_section_callback): New typedef.
2015 (section): New union.
2016 (sbss_section, exception_section, eh_frame_section): New variables.
2017 (in_section, last_text_section): Turn into section pointers.
2018 (get_unnamed_section, get_section, get_named_section): New functions.
2019 (mergeable_constant_section, function_section): Return a section.
2020 (unlikely_text_section): Likewise.
2021 (current_function_section): Likewise. Remove the decl argument.
2022 (unlikely_text_section_p, switch_to_section): New functions.
2023 (output_section_asm_op): New function.
2024 (set_named_section_flags, named_section_flags, named_section_real)
2025 (named_section_first_declaration): Delete.
2026 (default_select_section, default_elf_select_section): Return a section.
2027 (default_elf_select_section_1, default_function_rodata_section)
2028 (default_no_function_rodata_section, default_select_rtx_section)
2029 (default_elf_select_rtx_section): Likewise.
2030 * rtl.h (in_data_section): Delete.
2031 * sdbout.c (sdbout_one_type): Use switch_to_section.
2032 * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
2033 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
2034 (TARGET_ASM_EH_FRAME_SECTION): Poison.
2035 * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
2036 (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
2037 (TARGET_ASM_OUT): Update after above changes.
2038 * target.h (init_sections): New hook.
2039 (exception_section, eh_frame_section): Delete.
2040 (select_section, select_rtx_section, function_rodata_section): Return
2041 a section rather than emitting assembly code.
2042 * varasm.c (text_section, data_section, readonly_data_section)
2043 (ctors_section, dtors_section, bss_section, init_section)
2044 (fini_section): Turn into section pointers.
2045 (sdata_section, sbss_section, exception_section): New variables.
2046 (eh_frame_section): New variable.
2047 (in_section): Make global and turn into a section pointer.
2048 (last_text_section): Turn into a section pointer.
2049 (unnamed_sections): New variable.
2050 (in_named_name, last_text_section_name): Delete.
2051 (EXTRA_SECTION_FUNCTIONS): Delete.
2052 (in_named_entry): Delete.
2053 (section_htab): New variable, replacing...
2054 (in_named_htab): ...this deleted variable.
2055 (section_entry_eq, section_entry_hash): New functions, based on...
2056 (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
2057 (get_unnamed_section, get_section): New functions.
2058 (unlikely_text_section): Return a section instead of emitting
2060 (in_text_section, in_unlikely_text_section, in_data_section): Delete.
2061 (get_named_section_flags, named_section_first_declaration): Delete.
2062 (unlikely_text_section_p): New function.
2063 (named_section_real, named_section): Delete.
2064 (get_named_section): New function.
2065 (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
2066 (function_section): Return a section rather than emitting
2068 (current_function_section): Likewise. Remove argument. Use
2069 last_text_section if nonnull, otherwise use function_section.
2070 (default_function_rodata_section): Return a section rather than
2071 emitting assembly code. Use get_section.
2072 (default_no_function_rodata_section): Return a section rather than
2073 emitting assembly code.
2074 (variable_section): Use switch_to_section and get_named_section.
2075 (mergeable_string_section): Return a section rather than emitting
2076 assembly code. Use get_section. Make static. Don't take special
2077 countermeasures for empty strings.
2078 (mergeable_constant_section): Return a section rather than emitting
2079 assembly code. Use get_section.
2080 (default_named_section_asm_out_destructor): Use switch_to_section
2082 (default_dtor_section_asm_out_destructor): Use switch_to_section.
2083 (default_named_section_asm_out_constructor): Use switch_to_section
2085 (default_ctor_section_asm_out_constructor): Use switch_to_section.
2086 (assemble_start_function): Likewise. Set last_text_section to
2087 NULL rather than no_section. Change the type of save_section.
2088 (assemble_zeros, assemble_variable): Use the section flags to detect
2089 whether or not a section is text.
2090 (assemble_static_space): Use switch_to_section.
2091 (assemble_trampoline_template): Likewise.
2092 (output_constant_def_contents): Use switch_to_section and
2094 (output_constant_pool_1): Use switch_to_section. Use the section
2095 flags to see whether sections contain mergeable data.
2096 (init_varasm_once): Initialize section_htab instead of in_named_htab.
2097 Initialize new section variables. Call TARGET_ASM_INIT_SECTIONS.
2098 (default_elf_asm_named_section): Use SECTION_DECLARED to detect
2099 whether a section has already been declared.
2100 (default_select_section, default_elf_select_section): Return a
2101 section rather than emitting assembly code.
2102 (default_elf_select_section_1): Likewise. Use bss_section for
2103 SECCAT_BSS if nonnull. Use get_named_section.
2104 (default_select_rtx_section): Return a section rather than
2105 emitting assembly code.
2106 (default_elf_select_rtx_section): Likewise. Use get_named_section.
2107 (file_end_indicate_exec_stack): Use switch_to_section and get_section.
2108 (output_section_asm_op, switch_to_section): New functions.
2109 * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
2112 * doc/tm.texi: Expand the introduction to the sections documentation.
2113 (TRAMPOLINE_SECTION): Document new interface.
2114 (SDATA_SECTION_ASM_OP): Document new macro.
2115 (READONLY_DATA_SECTION): Delete.
2116 (SDATA_SECTION_ASM_OP): Document new macro.
2117 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2118 (TARGET_ASM_INIT_SECTIONS): Document new hook.
2119 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
2120 (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
2121 (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
2123 2005-12-07 Alan Modra <amodra@bigpond.net.au>
2125 * gcc.c (init_gcc_specs): Match braces inside conditionally
2128 2005-12-06 Geoffrey Keating <geoffk@apple.com>
2130 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
2132 2005-12-06 Aldy Hernandez <aldyh@redhat.com>
2135 * tree.c (integer_all_onesp): Always return true if all bits on.
2137 * testsuite/g++.dg/init/array0.C: New.
2139 2005-12-06 Adrian Straetling <straetling@de.ibm.com>
2141 * doc/md.texi: Adapt to implementation.
2143 2005-12-06 Andreas Schwab <schwab@suse.de>
2145 * opts.c (decode_options): Fix typo in message.
2147 2005-12-06 Alan Modra <amodra@bigpond.net.au>
2150 * longlong.h: Merge PPC tests from upstream.
2152 2005-12-06 Richard Guenther <rguenther@suse.de>
2154 * fold-const.c (fold_convert): Do not build and fold
2155 CONVERT_EXPR, but always use NOP_EXPR.
2157 2005-12-06 Jan Beulich <jbeulich@novell.com>
2159 * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
2160 __builtin_ia32_paddq and __builtin_ia32_subq.
2161 (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
2162 __builtin_ia32_pshufw.
2163 * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
2165 2005-12-05 James E Wilson <wilson@specifix.com>
2168 * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
2171 2005-12-05 Daniel Berlin <dberlin@dberlin.org>
2173 * print-tree.c (print_node): Ditto.
2174 * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
2175 * tree-dump.c (dequeue_and_dump): Check for decl_common structure
2176 before accessing DECL_ARTIFICIAL.
2177 Handle new tag tree codes.
2178 * tree-flow-inline.h (clear_call_clobbered): Update for tag
2180 (unmodifiable_var_p): Ditto.
2181 * tree-flow.h (mem_tag_kind): Remove.
2182 (struct var_ann_d): Remove mem_tag_kind member.
2183 * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
2184 * tree-pretty-print.c (dump_generic_node): Handle memory tags.
2185 * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
2186 (group_aliases): Ditto.
2187 (setup_pointers_and_addressables): Ditto.
2188 (is_escape_site): Ditto.
2189 (may_alias_p): Ditto.
2190 (create_tag_raw): New function.
2191 (create_memory_tag): Use it.
2192 (dump_alias_info): Update for tags.
2193 (may_be_aliased): Ditto.
2194 (add_type_alias): Ditto.
2195 (new_type_alias): Ditto.
2196 (create_sft): Ditto.
2197 (create_structure_vars): Ditto.
2198 * tree-ssa-ccp.c (get_default_value): Ditto.
2199 * tree-ssa-operands.c (get_expr_operands): Ditto.
2200 (add_stmt_operand): Ditto.
2201 (add_call_clobber_ops): Remove duplicated condition.
2202 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2204 * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
2205 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2206 * tree.c (init_ttree): Update structures for new tree codes.
2207 (tree_code_size): Update sizes for new tree codes.
2208 (make_node_stat): Don't try to set common things on minimal
2210 (tree_node_structure): Update for tags.
2211 (is_global_var): Ditto.
2212 * tree.def: Add new tree codes.
2213 * tree.h (MTAG_P): New macro.
2214 (TREE_MEMORY_TAG_CHECK): Ditto.
2215 (SSA_VAR_P): Update for tags.
2216 (struct tree_memory_tag): New structure.
2217 (MTAG_GLOBAL): New macro.
2218 (union tree_node): Add memory tag member.
2219 * treestruct.def (TS_MEMORY_TAG): New.
2221 2005-12-05 Dale Johannesen <dalej@apple.com>
2223 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match
2224 what was approved (PR 24323).
2226 2005-12-05 Gabriel Dos Reis <gdr@integrable-solutions.net>
2228 * doc/c-tree.texi (Function Bodies): Remove description of
2231 2005-12-05 Joseph S. Myers <joseph@codesourcery.com>
2233 * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
2234 __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
2235 __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
2236 __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
2237 __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
2238 __divxc3): Document.
2240 2005-12-05 Geoffrey Keating <geoffk@apple.com>
2242 * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
2244 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
2245 hook_bool_void_false.
2246 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2247 * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
2249 * config/darwin.c (machopic_select_section): It's not defined
2250 as weak if it's only marked as weak_import.
2252 * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
2255 * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
2256 A hidden weak object does bind locally. Strong linkonce data
2257 counts like any other strong symbol for binding.
2258 (weak_finish_1): Don't specially handle weakrefs, they no longer
2260 (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
2261 * c-common.c (handle_alias_attribute): Allow static aliases
2263 (handle_weakref_attribute): Don't call declare_weak on weakrefs.
2264 * gthr-dce.h: Make weakrefs static.
2265 * gthr-tpf.h: Likewise.
2266 * gthr-solaris.h: Likewise.
2267 * gthr-posix.h: Likewise.
2268 * gthr-posix95.h: Likewise.
2269 * config/darwin.c (darwin_encode_section_info): static weakref
2270 variables are not necessarily defined in this translation unit.
2271 * doc/extend.texi (Function Attributes): Mention that an alias
2272 attribute creates a definition for the thing it's attached to.
2273 Change the documentation for weakref to say that the thing
2274 it's attached to must be static.
2276 * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
2277 we don't go into an infinite loop.
2279 2005-12-05 Paolo Bonzini <bonzini@gnu.org>
2281 * config/rs6000/predicates.md (logical_const_operand): Split
2282 out of logical_operand.
2283 (logical_operand): Use it.
2284 * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
2285 logical_const_operand.
2287 2005-12-05 Jan Beulich <jbeulich@novell.com>
2289 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
2290 and IX86_BUILTIN_CMPNESS.
2291 (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
2292 * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
2293 * config/i386/i386.md (movti_internal): Correct type attribute.
2294 Simplify mode attribute.
2295 (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
2296 Correct type attribute.
2297 (absxf2): Correct operator.
2298 * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
2299 movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
2300 * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
2302 (sse2_vmsqrtv2df2): Correct mode attribute.
2304 2005-12-05 Jan Beulich <jbeulich@novell.com>
2306 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
2307 16 bits. Provide insn pattern for this case.
2309 2005-12-05 Jan Beulich <jbeulich@novell.com>
2311 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
2313 (__popcountDI2): Likewise.
2315 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2318 * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
2319 _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
2320 * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
2323 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
2325 * c-typeck.c (null_pointer_constant_p): New function.
2326 (build_conditional_expr, build_c_cast, convert_for_assignment,
2327 build_binary_op): Use it.
2329 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
2331 * c-common.c (binary_op_error): Do not allow NOP_EXPR.
2332 (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
2334 (check_function_arguments_recurse): Allow both NOP_EXPR and
2335 CONVERT_EXPR but check conversions preserve precision.
2336 * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
2337 but check conversions preserve precision.
2338 (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in
2341 2005-12-04 Roger Sayle <roger@eyesopen.com>
2344 * common.opt (Wstring-literal-comparison): New command line option.
2345 * c-opts.c (c_common_handle_option): Set it with -Wall.
2346 * c-typeck.c (parser_build_binary_op): Issue warning if either
2347 operand of a comparison operator is a string literal, except for
2348 testing equality or inequality against NULL.
2350 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
2352 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
2354 * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
2355 of building a NOP_EXPR.
2356 (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as
2358 * c-convert.c (convert): Use fold_convert instead of building
2359 NOP_EXPRs and CONVERT_EXPRs directly. Don't special case
2360 c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove
2362 * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
2363 NOP_EXPR the same as CONVERT_EXPR.
2364 * c-typeck.c (build_function_call): Use fold_convert instead of
2365 building a NOP_EXPR directly.
2366 (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
2368 2005-12-03 Alan Modra <amodra@bigpond.net.au>
2370 PR rtl-optimization/25197
2371 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
2374 2005-12-02 Stuart Hastings <stuart@apple.com>
2376 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
2379 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
2381 * c-typeck.c (default_function_array_conversion,
2382 build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
2383 (build_conditional_expr): Apply integer_zerop to orig_op1 and
2384 orig_op2. Don't check them for NOP_EXPR.
2385 (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
2386 around integer zero.
2388 2005-12-03 Alan Modra <amodra@bigpond.net.au>
2390 * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
2391 toc_save_offset, toc_size, lr_size.
2392 (rs6000_stack_info): Use memset rather than bss struct copy to init.
2393 Test rs6000_ra_ever_killed last in condition setting lr_save_p.
2394 Adjust for removal of unused rs6000_stack_t fields.
2395 (debug_stack_info): Adjust.
2396 (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls
2397 first, and don't bother checking for set/inc of lr on sibcalls.
2398 (rs6000_emit_epilogue): Tidy code restoring stack pointer.
2400 2005-12-02 Jakub Jelinek <jakub@redhat.com>
2403 * config/i386/i386.md (movqi_1): Only force imovx for alternative
2404 5 if operand 1 is not aligned. Undo previous constraint change.
2405 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
2407 2005-12-02 Richard Guenther <rguenther@suse.de>
2409 * tree.h (build): Remove prototype.
2410 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
2411 * tree.c (build): Remove.
2412 (build0_stat): Update comment.
2414 2005-12-02 Richard Guenther <rguenther@suse.de>
2416 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
2417 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
2419 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
2420 maybe_fold_offset_to_component_ref): Likewise.
2421 * tree-ssa-dom.c (thread_across_edge,
2422 simplify_rhs_and_lookup_avail_expr,
2423 find_equivalent_equality_comparison, record_equivalences_from_stmt):
2425 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
2426 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
2427 lower_try_finally_switch): Likewise.
2428 * tree-if-conv.c (add_to_dst_predicate_list,
2429 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2430 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2431 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2432 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2433 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2434 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2435 gimplify_init_ctor_eval, gimplify_init_constructor,
2436 gimplify_variable_sized_compare, gimplify_boolean_expr,
2437 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2438 gimplify_expr, gimplify_body, gimplify_function_tree,
2439 force_gimple_operand): Likewise.
2440 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2441 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2442 mx_register_decls): Likewise.
2443 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2444 get_frame_field, finalize_nesting_tree_1): Likewise.
2445 * tree-inline.c (setup_one_parameter): Likewise.
2446 * tree-vect-transform.c (vectorizable_condition): Likewise.
2447 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2449 * tree-profile.c (tree_gen_edge_profiler): Likewise.
2450 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2451 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2452 * tree-chrec.h (build_polynomial_chrec): Likewise.
2454 2005-12-02 Richard Guenther <rguenther@suse.de>
2456 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2457 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2458 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2459 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2460 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2461 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2462 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2464 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2465 sh_adjust_unroll_max): Likewise.
2466 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2467 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2468 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2470 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2472 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2475 2005-12-02 Richard Guenther <rguenther@suse.de>
2477 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2478 simplify_cond_using_ranges): Use buildN instead of build.
2479 * tree-tailcall.c (adjust_accumulator_values,
2480 adjust_return_value): Likewise.
2481 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
2482 generate_element_copy, generate_element_zero,
2483 generate_one_element_init): Likewise.
2484 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2485 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2486 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2487 perfect_nestify): Likewise.
2489 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2491 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
2493 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
2495 * ggc.h (GGC_RESIZEVEC): New.
2497 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2499 * gcc.c (execute): Improve readability.
2501 2005-12-02 Richard Guenther <rguenther@suse.de>
2503 * tree-cfg.c (mark_used_vars): New function.
2504 (dump_function_to_file): Dump only used VAR_DECLs.
2506 2005-12-02 Richard Guenther <rguenther@suse.de>
2508 * convert.c (convert_to_integer): Fix compare for nonpositive
2509 constant to use tree_int_cst_sgn <= 0.
2511 2005-12-02 Richard Guenther <rguenther@suse.de>
2513 * convert.c (convert_to_integer): Use fold_convert instead
2514 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
2515 instead of comparing against 0. Use build_int_cst instead
2516 of converting integer_zero_node.
2518 2005-12-02 Richard Guenther <rguenther@suse.de>
2520 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2523 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2526 * combine.c (simplify_logical <IOR>): Simplify more patterns to
2529 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2532 * function.c (expand_function_end): Emit blockage for unwinder
2535 2005-12-01 Roger Sayle <roger@eyesopen.com>
2537 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2538 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2539 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2540 integer constant comparisons.
2542 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
2543 Janis Johnson <janis187@us.ibm.com>
2544 David Edelsohn <dje@watson.ibm.com>
2545 Ben Elliston <bje@au.ibm.com>
2547 * dfp.h, dfp.c: New files.
2548 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2549 (DECNUM_H): Likewise.
2550 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2551 (INCLUDES): Append $(DECNUMINC).
2552 (OBJS-common): Add dfp.o.
2554 * real.h (EXP_BITS): Pinch one bit to ..
2555 (struct real_value): Add decimal field.
2556 (real_format): Change table size, update documentation.
2557 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
2558 (real_from_string3): Declare.
2559 (decimal_single_format): Declare.
2560 (decimal_double_format): Declare.
2561 (decimal_quad_format): Declare.
2562 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
2563 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
2564 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
2565 * real.c: Include dfp.h.
2566 (normalize): Early return for decimal floats.
2567 (do_add): Zero decimal field.
2568 (do_compare): Call do_decimal_compare for decimal floats.
2569 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2570 (real_arithmetic): Call decimal_real_arithmetic for decimal
2571 floating point operands.
2572 (real_identical): If a and b are of differing radix, return false.
2573 (real_to_integer): Call decimal_real_to_integer if the value is a
2575 (real_to_integer2): Likewise, call decimal_real_to_integer2.
2576 (real_to_decimal): Likewise, call decimal_real_to_decimal.
2577 (real_to_hexadecimal): Place "N/A" in the return string for
2579 (real_from_string3): New variant, given a mode.
2580 (real_maxval): Use decimal_real_maxval for decimal floats.
2581 (round_for_format): Use decimal_round_for_format for decimals.
2582 (real_convert): Use decimal_real_convert where appropriate.
2583 (significand_size): Handle base 10.
2584 (encode_decimal_single, decode_decimal_single,
2585 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2586 decode_decimal_quad): New functions.
2587 (decimal_single_format): New.
2588 (decimal_double_format): New.
2589 (decimal_quad_format): New.
2590 * machmode.def: Add SD, DD and TD decimal floating point modes.
2591 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2592 Include MODE_DECIMAL_FLOAT.
2593 (DECIMAL_FLOAT_MODE_P): New.
2594 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2595 * genmodes.c (struct mode_data): Add counter field.
2596 (struct mode_data): Update comment for format.
2597 (blank_mode): Initialise counter field.
2598 (new_mode): Increment counter field for each mode defined.
2599 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2601 (make_complex_modes): Handle modes containing `D'.
2602 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2603 (make_decimal_float_mode): New.
2604 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2605 (cmp_modes): Compare counter field if other characteristics
2607 (emit_real_format_for_mode): Support formats for decimal floats.
2608 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2609 Document MODE_DECIMAL_FLOAT.
2611 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2613 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2616 2005-12-01 Richard Henderson <rth@redhat.com>
2618 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2620 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2622 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2624 * config/pa/pa.c (pa_init_builtins): If we detect
2625 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2628 2005-12-01 Richard Guenther <rguenther@suse.de>
2630 * fold-const.c (fold_binary): Use fold_build2, not
2633 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
2635 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2637 * vec.h (VEC_block_remove): New.
2639 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
2642 * c-common.c (lvalue_error): Fix wording.
2644 2005-12-01 Richard Guenther <rguenther@suse.de>
2646 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2647 thinko in last patch.
2649 2005-12-01 Geoffrey Keating <geoffk@apple.com>
2651 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2652 than -flat_namespace.
2654 2005-12-01 Ben Elliston <bje@au.ibm.com>
2656 * mklibgcc.in: Parameterise the script to build soft float
2657 functions by iterating over each type, rather than cloning the
2660 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2663 * builtins.c (fold_builtin_fputs): Defer check for missing
2664 replacement functions.
2666 2005-11-30 Kean Johnston <jkj@sco.com>
2668 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2669 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2671 2005-11-30 Richard Guenther <rguenther@suse.de>
2673 PR tree-optimization/22501
2674 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2675 function split out from ...
2676 (forward_propagate_addr_expr): ... here. Use it to propagate
2677 ADDR_EXPRs to all uses.
2679 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2681 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2682 * builtins.c (expand_builtin_mathfn): Use them.
2683 (expand_builtin_mathfn_2): Likewise.
2684 (expand_builtin_mathfn_3): Likewise.
2685 (expand_builtin_int_roundingfn): Likewise.
2686 (expand_builtin): Likewise.
2687 (integer_valued_real_p): Likewise.
2688 (fold_builtin_int_roundingfn): Likewise.
2689 (fold_builtin_bitop): Likewise.
2690 (fold_builtin_logarithm): Likewise.
2691 (fold_builtin_1): Likewise.
2692 * convert.c (convert_to_integer): Likewise.
2693 * fold-const.c (negate_mathfn_p): Likewise.
2694 (tree_expr_nonnegative_p): Likewise.
2696 2005-11-30 Dale Johannesen <dalej@apple.com>
2697 Andrew Pinski <pinskia@physics.uc.edu>
2699 * combine.c (find_split_point): Sign extend bitmask
2700 when changing bitfield assignment to IOR of AND.
2702 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2704 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2705 clobber to scratch reg.
2706 (*decrement_and_branch_until_zero_no_clobber): Remove.
2707 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2708 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2709 * config/ms1/ms1.opt (mmul): Remove.
2710 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2711 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2713 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2714 Bernd Schmidt <bernd.schmidt@analog.com>
2716 * pa/predicates.md (symbolic_operand): Add comment.
2717 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2718 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2719 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2720 (pa_secondary_reload_class): Delete.
2721 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2722 and pa_secondary_reload_class. Reorder some checks. Update inline
2723 copy of symbolic operand.
2724 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2726 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2728 * loop-doloop.c (add_test): Only add jump notes if we did emit a
2731 2005-11-30 Jeff Law <law@redhat.com>
2733 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2734 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2736 2005-11-30 Jakub Jelinek <jakub@redhat.com>
2738 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2739 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2740 (ia64_expand_move): Adjust caller.
2742 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2743 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2746 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
2748 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2749 Always produce an output if we can remove NEGs or canonicalize
2750 (minus (minus ...)) expressions. Provide a fast path for the
2752 (simplify_gen_binary): Do not call simplify_plus_minus.
2753 (simplify_binary_operation_1): Reassociate at the end of the
2756 2005-11-29 Evan Cheng <evan.cheng@apple.com>
2758 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2759 moves and unpack to speed up.
2761 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
2763 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2764 argument, they are always sparc_compare_op0 and sparc_compare_op1.
2765 (gen_v9_scc): Update callers.
2766 * config/sparc/sparc.md: Likewise.
2767 * config/sparc/sparc-protos.h: Update extern declaration.
2769 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2771 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2773 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2776 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2778 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2779 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2780 (negate_expr): Here.
2782 2005-11-29 Ben Elliston <bje@au.ibm.com>
2784 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2785 Fix typo in comment.
2787 2005-11-29 Ben Elliston <bje@au.ibm.com>
2789 * Makefile.in (clean-target): Depend on clean-target-libgcc.
2790 (clean-target-libgcc): Import rule from the top-level Makefile.in.
2792 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2796 * builtins.c (init_target_chars): New.
2797 (expand_builtin_printf, expand_builtin_fprintf,
2798 expand_builtin_sprintf, fold_builtin_sprintf,
2799 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2800 fold_builtin_snprintf_chk, fold_builtin_printf,
2801 fold_builtin_fprintf): Check for matching format strings using
2804 2005-11-29 Paul Brook <paul@codesourcery.com>
2806 * config.gcc: Do not use fixproto on m68k-elf.
2808 2005-11-28 Roger Sayle <roger@eyesopen.com>
2810 * expmed.c (div_cost): Replace with...
2811 (sdiv_cost, udiv_cost): New.
2812 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2813 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2814 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2815 (expand_divmod): Replace use of div_cost with either sdiv_cost
2816 or udiv_cost depending upon the signedness of the operation.
2818 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2821 * config/darwin.c (machopic_indirection_name,
2822 machopic_output_indirection): Follow transparent alias chain.
2824 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2826 * varasm.c (ultimate_transparent_alias_target): Add comment.
2828 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
2830 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2831 SET_SRC instead of XEXP where appropriate.
2833 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2835 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2838 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2840 * config/fp-bit.h (LSHIFT): Take shift count parameter.
2841 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2844 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
2846 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2847 secondary_input_reload_class, made static. Adapt to new
2849 (secondary_output_reload_class): Delete.
2850 (TARGET_SECONDARY_RELOAD): New macro.
2851 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2852 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2854 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
2857 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
2858 when its natural alignment is > BITS_PER_UNIT.
2859 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2860 * c-common.c (handle_packed_attribute): Ignore packing on a field
2861 whose type is naturally char aligned.
2863 2005-11-28 Richard Guenther <rguenther@suse.de>
2865 * c-common.c (strict_aliasing_warning): Handle all
2866 component-ref like accesses.
2868 2005-11-28 Roger Sayle <roger@eyesopen.com>
2869 Uros Bizjak <uros@kss-loka.si>
2872 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2873 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2874 when flag_unsafe_math_optimizations is set and
2875 we don't care about NaNs or Infinities.
2877 Move x/expN(y) and x/pow(y,z) transformation into common
2878 flag_unsafe_math_optimizations section.
2880 2005-11-27 Mark Mitchell <mark@codesourcery.com>
2882 * gcc.c (main): Change type of argv to "char **".
2884 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2886 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2887 small data sections.
2888 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2889 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2890 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2891 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
2892 output locals to sbss if !rs6000_elf_in_small_data_p.
2893 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2895 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2898 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2899 generated by reload.
2900 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2901 indexed_or_indirect_address.
2902 (indexed_or_indirect_address): Don't test for base reg. Call
2903 address_operand last. Make it a special predicate.
2905 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
2907 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2909 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
2912 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2914 (negate_expr): Likewise.
2916 2005-11-27 Andreas Schwab <schwab@suse.de>
2918 * config/m68k/m68k.c: Reindent and fix whitespace, remove
2921 2005-11-27 Steven Bosscher <stevenb@suse.de>
2923 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2924 has EH predecessor edges.
2926 2005-11-26 Eric Christopher <echristo@apple.com>
2928 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2929 register stalls by zero extending to the full register.
2931 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
2933 * config/floatunsisf.c, config/floatunsidf.c,
2934 config/floatunsixf.c, config/floatunsitf.c: New files.
2935 * config/ia64/t-hpux: Add floatunsitf.c.
2936 * config/ia64/ia64.c (ia64_init_libfuncs): Use
2937 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2939 2005-11-26 Richard Henderson <rth@redhat.com>
2941 * c-lex.c (pragma_lex): Rename from c_lex.
2942 * c-pch.c: Update for pragma_lex rename.
2943 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2944 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2945 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2946 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2947 * doc/tm.texi: Likewise.
2949 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
2952 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2953 when overflow is undefined.
2955 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
2957 * doc/md.texi (Insn Canonicalizations): Refer to the
2958 function commutative_operand_precedence for further rules.
2960 2005-11-25 Roger Sayle <roger@eyesopen.com>
2963 * expmed.c (choose_mult_variant): Return immediately when mult_cost
2964 is less than zero. Limit mult_cost to a reasonable upper bound for
2965 the synthetic multiplication sequence.
2967 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2970 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2971 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2972 Lookup the explicit replacement functions for any unlocked
2973 stdio builtin transformations.
2975 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
2977 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2979 * targhooks.c (default_secondary_reload): Don't require operand 2
2980 for an input reload to be earlyclobber.
2982 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2984 * fold-const.c (negate_mathfn_p): Fix comment and add support
2985 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2988 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2991 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2992 _Q_ulltoq for unsigned conversions from SImode and DImode to
2995 2005-11-25 Alan Modra <amodra@bigpond.net.au>
2997 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2998 (__floatundidf, __floatundisf): Likewise.
3000 2005-11-25 David Edelsohn <edelsohn@gnu.org>
3002 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
3003 (rs6000_override_options): Remove initialization of
3004 rs6000_sr_alias_set.
3005 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
3006 (rs6000_emit_stack_tie): Same.
3007 (emit_frame_save): Same.
3008 (gen_frame_mem_offset): Same.
3009 (rs6000_emit_prologue): Same.
3010 (rs6000_emit_epilogue): Same.
3012 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
3015 * fold-const.c (fold_build): Convert bool_var != 1 and
3016 bool_var == 0 to !bool_var.
3018 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
3021 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
3022 for C being INTEGER_CST. Likewise for !=.
3024 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
3027 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
3028 unsigned conversions from SImode to TFmode.
3030 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
3032 * expr.c (expand_expr_real_1): Fix error in last change.
3034 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
3036 * caller-save.c: (this_insn_sets): Move into:
3037 (save_call_clobbered_regs).
3038 (mark_set_regs): Get this_insn_sets from data.
3040 (save_call_clobbered_regs): Take sets of the return value by
3041 sibcalls into account.
3043 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
3046 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
3047 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
3048 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
3049 (memory_move_secondary_cost, init_reg_autoinc): Remove
3050 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
3051 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
3052 secondary_reload_class call.
3053 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
3055 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
3056 (push_secondary_reload): Use secondary_reload target hook.
3057 (secondary_reload_class, scratch_reload_class): New functions.
3058 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
3059 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
3060 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
3061 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
3062 (secondary_reload_class, scratch_reload_class): Declare.
3063 * reload1.c: Include target.h.
3064 (reload_adjust_reg_for_temp): New function.
3065 (reload_adjust_reg_for_icode): Likewise.
3066 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
3067 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
3069 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
3070 for inheritance. Support case when both secondary & tertiary reloads
3071 are for intermediate registers.
3072 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
3073 with secondary_reload_class call. Support case when both secondary
3074 & tertiary reloads are for intermediate registers.
3075 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
3076 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
3077 * target.h (secondary_reload_info): New struct / typedef.
3078 (struct gcc_target): New member secondary_reload.
3079 * targhooks.c Include reload.h, optabs.h and recog.h.
3080 (default_secondary_reload): New function.
3081 * targhooks.h (default_secondary_reload): Declare.
3082 * doc/tm.texi: Document secondary_reload target hook. Update
3083 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
3084 * doc/md.texi: Likewise.
3086 * sh-protos.h (sh_secondary_reload): Declare.
3087 * sh.c (TARGET_SECONDARY_RELOAD): Override.
3088 (sh_secondary_reload): New function.
3089 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
3090 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
3091 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
3092 (HAVE_SECONDARY_RELOADS): Define.
3093 * sh.md (reload_indf): Rename to:
3095 (reload_outdf): Rename to:
3096 (reload_outdf__RnFRm).
3097 (reload_insf): Rename to:
3099 (reload_insi): Rename to:
3100 (reload_insi__i_fpul).
3102 2005-11-24 Uros Bizjak <uros@kss-loka.si>
3104 * configure.ac: Require at least texinfo 4.4.
3105 * configure: Regenerate.
3107 * doc/install.texi (Tools/packages necessary for building GCC):
3108 Update required version of texinfo to at least 4.4.
3109 (Installing GCC: Building): Update required version of texinfo
3111 (Installing GCC: Final installation): Update required version
3112 of texi2dvi to at least 4.4.
3113 (Host/target specific installation notes for GCC): Update required
3114 version of texinfo to at least 4.4.
3116 2005-11-24 Richard Guenther <rguenther@suse.de>
3117 Dirk Mueller <dmueller@suse.de>
3120 * c-common.h (strict_aliasing_warning): Declare.
3121 * c-common.c (strict_aliasing_warning): New function,
3123 * c-typeck.c (build_c_cast): ... here.
3125 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
3127 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3129 (swap_commutative_operands_with_target): New.
3131 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
3133 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
3134 also when doing PRE, rather than only for global CPROP.
3136 2005-11-24 Ben Elliston <bje@au.ibm.com>
3138 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
3139 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
3141 (expand_twoval_unop): Likewise.
3142 (widen_clz): Likewise.
3143 (expand_parity): Likewise.
3144 (expand_unop): Likewise.
3145 (emit_cmp_and_jmp_insn_1): Likewise.
3146 (prepare_float_lib_cmp): Likewise.
3148 2005-11-24 Ben Elliston <bje@au.ibm.com>
3150 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
3151 Remove unused `class' variable.
3153 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
3156 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
3157 C/C++ diagnostic function warn_array_subscript_with_type_char.
3158 * c-common.h (warn_array_subscript_with_type_char): Declare.
3159 * c-common.c (warn_array_subscript_with_type_char): Define.
3161 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
3164 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
3165 compiling at the intersection of C and C++.
3167 2005-11-23 Mark Mitchell <mark@codesourcery.com>
3169 * doc/invoke.texi: For man pages, include gcc-vers.texi.
3170 List @file in the option summary. Include the libiberty
3171 documentation for @file.
3172 * gcc.c (main): Call expandargv.
3173 * Makefile.in (gcc-vers.texi): Define srcdir.
3175 2005-11-23 Diego Novillo <dnovillo@redhat.com>
3177 * passes.c (init_optimization_passes): Document
3178 sequencing of passes.
3180 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
3182 * config/m68k/predicates.md (pcrel_address, extend_operator,
3183 post_inc_operand, pre_dec_operand): Remove redundant
3185 (const_uint32_operand, const_sint32_operand): Use gcc_assert
3187 (valid_dbcc_comparison_p): Rewrite in the lisp style.
3189 2005-11-23 Ben Elliston <bje@au.ibm.com>
3191 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
3193 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
3195 Preparatory work for PR target/21623:
3196 * alpha.c (secondary_reload_class): Rename to:
3197 (alpha_secondary_reload_class).
3198 * alpha.h, alpha-protos.h: Likewise.
3199 * mn10300.c (secondary_reload_class): Rename to:
3200 (mn10300_secondary_reload_class).
3201 * mn10300.h, mn10300-protos.h: Likewise.
3202 * pa.c (secondary_reload_class): Rename to:
3203 (pa_secondary_reload_class).
3204 * pa.h, pa-protos.h: Likewise.
3205 * rs6000.c (secondary_reload_class): Rename to:
3206 rs6000_secondary_reload_class.
3207 * rs6000.h, rs6000-protos.h: Likewise.
3209 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
3212 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
3214 2005-11-22 Ian Lance Taylor <ian@airs.com>
3216 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
3218 (prepare_cmp_insn): Likewise.
3220 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
3223 * m68k.md (zero_extendsidi2): Force operands[1] to a register
3224 if both operands[0] and operands[1] are memory.
3226 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
3229 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
3230 COMPARISON_CLASS_P and an integral types create create a new
3231 expression with the new type and fold that.
3233 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
3236 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
3237 to SUBTARGET_OS_CPP_BUILTINS.
3239 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
3241 * arm.c (emit_set_insn): New function.
3242 (arm_split_constant): Call it.
3243 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
3244 (arm_legitimize_address): Likewise. Use plus_constant.
3245 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
3246 (thumb_expand_prologue): Likewise.
3247 (arm_gen_load_multiple): Use VOIDmode in SET.
3248 (arm_gen_store_multiple): Likewise.
3249 (vfp_emit_fstmx): Likewise. Use plus_constant.
3250 (emit_multi_reg_push): Likewise.
3251 (emit_sfm): Use plus_constant.
3253 2005-11-23 Alan Modra <amodra@bigpond.net.au>
3256 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
3259 2005-11-22 Alan Modra <amodra@bigpond.net.au>
3262 * expmed.c (store_bit_field): Don't attempt to insv a field
3263 larger than the reg.
3265 2005-11-22 Alan Modra <amodra@bigpond.net.au>
3268 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
3269 explicit sign extension, not a (char) cast.
3271 2005-11-22 Ben Elliston <bje@au.ibm.com>
3273 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
3274 GET_MODE_CLASS (x) == MODE_FLOAT.
3275 * config/i386/i386.c: Likewise.
3276 * config/rs6000/xcoff.h: Likewise.
3277 * config/rs6000/linux64.h: Likewise.
3278 * config/rs6000/rs6000.c: Likewise.
3279 * config/rs6000/rs6000.h: Likewise.
3280 * config/rs6000/predicates.md: Likewise.
3281 * config/rs6000/sysv4.h: Likewise.
3283 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3285 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
3288 * config/alpha/freebsd.h, config/alpha/linux.h,
3289 config/arm/linux-elf.h, config/bfin/bfin.h,
3290 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
3291 config/i386/beos-elf.h, config/i386/gnu.h,
3292 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
3293 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
3294 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
3295 config/rs6000/linux64.h, config/rs6000/sysv4.h,
3296 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
3297 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
3298 config/sparc/linux.h, config/sparc/linux64.h,
3299 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
3301 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
3302 are both defined when either flag -fpic or -fPIC are used.
3304 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
3306 * config/fp-bit.c (clzusi): New function.
3307 (si_to_float, usi_to_float): Use it to compute proper shift.
3308 (usi_to_float): Preserve guard bits when shifting right.
3309 * libgcc-std.ver (GCC_4.2.0): New version.
3310 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
3311 __floatundisf): New functions.
3312 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
3313 __floatundisf): Declare.
3314 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
3315 _floatundixf, and _floatunditf.
3316 * optabs.c (expand_float): If target does not define a pattern for
3317 signed or unsigned conversion, use an unsigned libcall instead of
3319 (init_optabs): Initialize ufloat_optab.
3321 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
3323 * config/rs6000/rs6000.opt (mmulhw): New option.
3324 * doc/invoke.texi (-mmulhw): Document.
3325 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
3327 * config/rs6000/rs6000.md: Add half-word multiply and
3328 multiply-accumulate instructions for 405 and 440.
3330 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
3332 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
3333 which matches behavior of gcc 4.0 and older for RTEMS targets. The
3334 default now includes a linker group which makes the RTEMS one nest.
3336 2005-11-22 Ben Elliston <bje@au.ibm.com>
3338 * cse.c (fold_rtx): Typo fix.
3339 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
3341 2005-11-21 Richard Henderson <rth@redhat.com>
3343 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
3344 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
3346 * c-tree.h (lookup_name): Move declaration ...
3347 * c-common.h (lookup_name): ... here.
3348 * config/darwin-c.c: Include c-common.h.
3349 * config/t-darwin: Update dependencies.
3351 2005-11-22 Ben Elliston <bje@au.ibm.com>
3353 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
3354 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
3355 * genopinit.c (gen_insn): Likewise.
3356 * reload.c (find_equiv_reg): Likewise.
3357 * loop.c (load_mems): Likewise.
3358 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
3359 * cse.c (find_comparison_args, fold_rtx): Likewise.
3360 * dwarf2out.c (add_const_value_attribute): Likewise.
3361 * expr.c (convert_move): Likewise.
3362 * recog.c (general_operand, register_operand): Likewise.
3363 * reg-stack.c (replace_reg): Likewise.
3364 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3365 * c-common.c (handle_vector_size_attribute): Likewise.
3366 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
3367 (simplify_binary_operation_1): Likewise.
3368 (simplify_const_binary_operation): Likewise.
3369 (simplify_relational_operation): Likewise.
3370 (simplify_const_relational_operation): Likewise.
3371 (simplify_immed_subreg): Likewise.
3372 * emit-rtl.c (gen_lowpart_common): Likewise.
3373 * expmed.c (expand_mult): Likewise.
3374 * stor-layout.c (layout_type): Likewise.
3376 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
3379 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
3380 cst2 only for SPE vectors.
3382 2005-11-21 David Edelsohn <edelsohn@gnu.org>
3385 * config/rs6000/predicates.md (vrsave_operation): Check
3386 UNSPEC_VOLATILE value.
3388 2005-11-21 Jan Hubicka <jh@suse.cz>
3390 PR tree-optimization/24653
3391 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
3393 2005-11-21 Uros Bizjak <uros@kss-loka.si>
3395 * config/i386/predicates.md (ax_reg_operand): New predicate.
3396 (memory_displacement_only_operand): New predicate.
3397 * config/i386/i386.md ("modrm" attribute): Return 0 if one
3398 operand is AX register and the other operand is memory operand
3399 with displacement only.
3401 2005-11-21 Uros Bizjak <uros@kss-loka.si>
3403 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
3404 if we don't care about NaNs or Infinities.
3406 2005-11-20 Ian Lance Taylor <ian@airs.com>
3408 PR rtl-optimization/24883
3409 * combine.c (combinable_i3pat): When checking whether the
3410 destination of i3 is used in i3, consider paradoxical subregs.
3412 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
3415 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
3417 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
3419 * combine.c (try_combine): Do not run subst on i1src and i2src in
3420 the case of generating a PARALLEL for a comparison.
3422 2005-11-20 Richard Henderson <rth@redhat.com>
3425 * tree-sra.c (struct sra_elt): Add all_no_warning.
3426 (struct sra_walk_fns) <use>: Add use_all argument.
3427 (sra_walk_expr): Pass it.
3428 (sra_walk_modify_expr): Likewise.
3429 (scalarize_ldst): Likewise.
3430 (scan_use): Update for new argument.
3431 (mark_no_warning): New.
3432 (scalarize_use): Use it.
3434 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3436 * expr.c (expand_expr_real): Use usmul_optab for widening
3437 signed * unsigned multiplies.
3438 * genopinit.c (optabs): Add usmul_widen_optab.
3439 * optabs.c (init_optabs): Likewise.
3440 * optabs.h (enum optab_index): Add OTI_usmul_widen.
3441 (usmul_widen_optab): Define.
3442 * config/bfin/bfin.md (usmulhisi3): New pattern.
3444 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3446 2005-11-20 Graham Stott <btinternet.com>
3448 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
3450 2005-11-20 Andreas Schwab <schwab@suse.de>
3453 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3456 2005-11-19 Richard Henderson <rth@redhat.com>
3459 * tree-gimple.c (is_gimple_id): Export.
3460 * tree-gimple.h (is_gimple_id): Declare.
3461 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3462 (get_default_value): Use it.
3463 (maybe_fold_stmt_indirect): Likewise.
3465 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
3467 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3468 than VR1 or vice-versa.
3470 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
3474 * reload.c (find_reloads_address_1): Mention dependency on
3476 * reload1.c (gen_reload): For IN with an unary operation, try
3477 moving inner expression to OUT if trivial SET is not valid.
3478 Confirm that the result is valid. Move common code block into...
3479 (emit_insn_if_valid_for_reload): New function.
3481 2005-11-19 Richard Guenther <rguenther@suse.de>
3483 * fold-const.c (fold_indirect_ref_1): Make sure we fold
3484 ARRAY_REFs of constant strings.
3486 2005-11-19 Jakub Jelinek <jakub@redhat.com>
3488 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3489 fatal format string.
3491 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
3493 * combine.c (make_compound_operation): Swap operands of
3494 commutative operation if necessary before returning.
3496 2005-11-19 Richard Guenther <rguenther@suse.de>
3499 * fold-const.c (fold_plusminus_mult_expr): New function.
3500 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3501 cases, remove now unnecessary code.
3503 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
3505 * gensupport.c (old_preds): Rename to std_preds, add special field.
3506 (struct old_pred_table): Rename to struct std_pred_table, add special
3508 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3509 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3510 (init_predicate_table): Adjust, and set along the way whether a
3511 predicate is special.
3513 2005-11-18 Mark Mitchell <mark@codesourcery.com>
3515 * BASE-VER: Change to 4.2.0.
3517 2005-11-18 James E Wilson <wilson@specifix.com>
3519 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3522 2005-11-18 Mike Stump <mrs@apple.com>
3524 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3525 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3526 * c-decl.c (lookup_name_two) Remove.
3527 * c-tree.h (lookup_name_two): Remove.
3528 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3529 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3530 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3531 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
3533 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
3536 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3537 when not generating code to use that co-processor.
3539 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
3541 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3542 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3543 these functions are now in tree-phinodes.c.
3545 2005-11-18 Jie Zhang <jie.zhang@analog.com>
3547 * config/bfin/bfin.md (trap): New pattern.
3549 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3551 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3554 * expr.c (expand_expr_real): Don't call record_block_change unless
3555 ib_boundaries_block is non-null
3557 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
3559 * fold-const.c (build_range_check): Use proper type for subtraction
3560 when merging lower bound.
3562 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
3564 PR rtl-optimization/24497
3565 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3568 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
3570 * tree-scalar-evolution.c (expression_expensive_p): New function.
3571 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3573 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
3575 * config/bfin/crtlibid.s: New file.
3577 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3580 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3581 when not using sjlj exceptions.
3582 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3583 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3584 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3585 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3586 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3587 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3588 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3589 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3590 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3591 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3592 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3593 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3594 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3596 * config/pa/hpux-unwind.h: New file.
3598 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
3600 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3601 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3602 * varasm.c (do_assemble_alias): Adjust call.
3603 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3605 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3607 2005-11-17 James E Wilson <wilson@specifix.com>
3609 * tree.def (FUNCTION_DECL): Correct typo in comment.
3611 2005-11-17 Richard Henderson <rth@redhat.com>
3613 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3614 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3615 and DW_CFA_def_cfa_sf.
3616 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3617 (dbx_reg_number): Don't assert particular registers here.
3618 (based_loc_descr): ... do it here instead. Fold in ...
3619 (eliminate_reg_to_offset): ... this function.
3620 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3621 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3622 * unwind-dw2.c (execute_cfa_program): Apply data align factor
3623 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3624 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3625 (instantiate_virtual_regs): Likewise.
3626 * var-tracking.c (adjust_stack_reference): Likewise.
3627 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3629 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
3631 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3632 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3633 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3635 ($(T)crtlibid.o): New rule.
3637 2005-11-16 Richard Guenther <rguenther@suse.de>
3640 * fold-const.c (extract_array_ref): Return byte offset
3642 (fold_binary): Fold &x[a] CMP &x[b] to
3643 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3646 2005-11-16 Richard Henderson <rth@redhat.com>
3649 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3650 parts of an SSA_NAME.
3652 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
3655 * arm.md (split for movsf with immediate): Restrict split to insns
3656 that set a general register.
3658 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3660 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
3662 * unwind-dw2.c (uw_advance_context): Likewise.
3663 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
3664 _Unwind_SjLj_Unregister.
3665 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3667 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3669 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3671 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3673 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3674 langhook to get a DImode integer type.
3676 2005-11-16 Richard Henderson <rth@redhat.com>
3677 J"orn Rennecke <joern.rennecke@st.com>
3678 Ulrich Weigand <uweigand@de.ibm.com>
3682 * reload1.c (reg_equiv_invariant): New.
3683 (reload): Allocate, initialize, and free it.
3684 (calculate_needs_all_insns): Check it when skipping equivalence
3686 (alter_reg): Likewise.
3687 (eliminate_regs_1): Rename from eliminate_regs. Add new
3688 may_use_invariant argument; only use reg_equiv_invariant when true.
3689 (eliminate_regs): New.
3690 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3691 a context for which may_use_invariant may be true.
3693 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3695 * fold-const.c (const_binop): Don't constant fold the operation
3696 if the result has overflowed and flag_trapping_math.
3697 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3699 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3701 * config/arm/unwind-arm.c (abort): Add prototype here.
3702 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3703 (struct phase1_vrs): Add prev_sp.
3704 (unwind_phase2_forced): Save the original core registers instead of
3705 modifying entry_vrs. Take a new flag argument for resuming unwinding
3706 and set action flags accordingly. Always set _US_END_OF_STACK when
3707 get_eit_entry fails. Unwind before calling the stop function.
3708 (_Unwind_GetCFA): New function.
3709 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3710 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3711 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3712 just call unwind_phase2_forced.
3713 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3714 * config/arm/unwind-arm.h (abort): Remove prototype.
3715 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3717 (_Unwind_GetCFA): New prototype.
3718 * config/arm/pr-support.c (abort): Add prototype here.
3719 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3721 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3722 not schedule the prologue with non-call exceptions and EABI.
3724 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
3726 * config/arm/unwind-arm.h: Reorder interface function declarations.
3727 (_URC_END_OF_STACK): New enumeration value.
3728 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3729 (struct _Unwind_Control_Block): Document reserved field use.
3730 (_Unwind_Stop_Fn): New typedef.
3731 (_Unwind_ForcedUnwind): Declare.
3732 (_Unwind_Resume_or_Rethrow): Declare.
3733 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3735 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3736 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3737 (UCB_FORCED_STOP_ARG): New.
3738 (search_EIT_table): Update boundary condition checks.
3739 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3740 (unwind_phase2): Replace for with do..while.
3741 (unwind_phase2_forced): New.
3742 (__gnu_Unwind_RaiseException): Replace for with do..while.
3743 (__gnu_Unwind_ForcedUnwind): New.
3744 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3745 Use appropriate phase2 unwinder.
3746 (__gnu_Unwind_Resume_or_Rethrow): New.
3747 (__gnu_unwind_pr_common): Cope with forced unwinding.
3749 2005-11-16 David Edelsohn <edelsohn@gnu.org>
3752 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3754 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3755 roundsf2): Remove "s" from mnemonic.
3757 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
3759 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3761 * config/bfin/crtn.s: Change epilogues to match.
3762 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3763 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3764 __PIC__ and __pic__.
3766 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
3769 * doc/invoke.texi: Distinguish between free and fixed form instead of
3770 Fortran and Fortran 90/95. Remove ratfor from the list of supported
3772 * gcc.c (default_compilers): Remove double entries, add entries for
3773 suffixes '.F90' and '.F95'.
3775 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3777 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3778 in the stack probing loop.
3780 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3782 * configure.ac: Use .machine power5 not power5x.
3783 * configure: Regenerate.
3785 2005-11-15 Mike Stump <mrs@apple.com>
3787 * c-decl.c (lookup_name_two): Add.
3788 * c-tree.h (lookup_name_two): Likewise.
3789 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3790 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3792 2005-11-16 Alan Modra <amodra@bigpond.net.au>
3794 PR rtl-optimization/23392
3795 * regrename.c (enum scan_actions) Add mark_access.
3796 (scan_actions_name): Ditto.
3797 (scan_rtx_reg): Handle mark_access.
3798 (scan_rtx_address): Do nothing for mark_access.
3799 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3800 and regs in REG_INC notes before closing chains for dead regs.
3801 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3802 opening chains for new writes.
3804 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3806 * c.opt (ffixed-line-length-none): New.
3808 2005-11-15 Steve Ellcey <sje@cup.hp.com>
3810 * mklibgcc.in: Change contents of eh_dummy.c.
3812 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3814 * loop.c (scan_loop): Do not insert temporaries for hard registers.
3816 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3818 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3820 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
3822 2005-11-15 Jan Hubicka <jh@suse.cz>
3824 * invoke.texi (large-unit-insns): Document.
3825 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3826 * params.def (large-unit-insns): New param.
3828 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
3831 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3832 special register for operand 3. Reindent constraints to align
3835 2005-11-14 David Edelsohn <edelsohn@gnu.org>
3837 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3838 -mpopcntb, -mfprnd. Add -mcpu=power5+.
3839 * configure.ac: Add test for FP rounding instructions.
3840 * configure: Regenerate.
3841 * config.in: Regenerate.
3842 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3843 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3845 * config/rs6000/rs6000.opt (mfprnd): New.
3846 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3847 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3848 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3849 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3850 (TARGET_FPRND): New.
3851 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3853 (btrunc<mode>2): New.
3855 (floor<mode>2): New.
3856 (round<mode>2): New.
3858 2005-11-14 Geoffrey Keating <geoffk@apple.com>
3860 * gcc.c (version_compare_spec_function): Use fatal() rather than
3863 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3864 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3865 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3867 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3870 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3871 on -mmacosx-version-min setting.
3873 2005-11-14 Diego Novillo <dnovillo@redhat.com>
3876 * tree-vrp.c (infer_value_range): Return false if STMT is a
3877 block terminator and its basic block has no successors.
3879 2005-11-14 Mike Stump <mrs@apple.com>
3881 * config/i386/i386.c (override_options): -masm=intel isn't
3882 supported on darwin.
3883 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3885 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
3887 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3888 vfork after including auto-host.h.
3890 2005-11-15 Alan Modra <amodra@bigpond.net.au>
3892 PR rtl-optimization/22002
3893 * combine.c (distribute_notes): Detect cases where a reg dies
3894 two or more times in a bb, including on the insn we are combining,
3895 and place the death note on the correct range.
3897 2005-11-14 Dale Johannesen <dalej@apple.com>
3899 * expmed.c (store_bit_field): Add offset unconditionally for
3901 (extract_bit_field): Don't force extzv or extv operand into
3902 a register if field is too big.
3904 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3906 * config/arm/arm.c (pic_labelno): New.
3907 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3908 LABEL_REF. Pass only the labelno to PIC insns.
3909 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3910 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3911 * arm.md (UNSPEC_PIC_LABEL): New constant.
3912 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3913 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3914 Use the correct label prefix.
3916 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3918 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3921 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
3923 * loop-invariant.c: Include tm_p.h.
3924 * Makefile.in: Updated.
3926 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3928 * pa.c (store_reg): Revise generation of frame notes in large frames.
3929 (set_reg_plus_d): Likewise.
3931 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
3933 PR tree-optimization/24709
3934 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3937 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
3939 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3940 and duplicate declaration of pthread_self.
3942 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
3943 Ian Lance Taylor <ian@airs.com>
3946 * calls.c (expand_call): If TARGET is a MEM and some part of the
3947 argument area has been saved, force TARGET to a register.
3949 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
3951 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3954 2005-11-13 Jason Merrill <jason@redhat.com>
3957 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3958 lazily declared methods.
3959 (force_decl_die): Stop if forcing out the context already make a
3961 (force_type_die): Likewise.
3963 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
3966 * builtins.c (integer_valued_real_p): Add break in
3967 REAL_CST having TREE_OVERFLOW set.
3969 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
3971 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3972 addressing modes during calculation of costs.
3974 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
3976 * function.c (assign_stack_local_1): Restrict sanity check
3977 on frame size overflow to 32-bit and above platforms.
3979 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3981 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3982 * config/cris/cris.c: Include reload.h.
3983 (cris_initial_elimination_offset): New function.
3984 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3987 2005-11-12 Richard Guenther <rguenther@suse.de>
3989 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3991 2005-11-12 Jan Hubicka <jh@suse.cz>
3993 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3994 to compare against 0 when possible.
3996 2005-11-12 Jie Zhang <jie.zhang@analog.com>
3998 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3999 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4000 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
4001 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
4004 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
4006 * recog.c (constrain_operands) <case 'g'>: For a match, require
4007 that a non-register matches general_operand when strict >= 0.
4009 2005-11-11 Steven Bosscher <stevenb@suse.de>
4011 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
4014 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
4016 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
4017 (memory_address_same): New.
4018 (dse_optimize_stmt): Call memory_address_same.
4020 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
4023 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
4024 ZERO_EXTEND>: New cases.
4026 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
4028 * longlong.h (__clz_tab): Always provide.
4030 2005-11-11 Steven Bosscher <stevenb@suse.de>
4033 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
4035 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
4036 before check_maybe_invariant.
4037 (move_invariant_reg): Use gen_move_insn instead of replacing
4038 SET_DEST with the temporary for the invariant.
4039 (move_loop_invariants): If checking is enabled, do internal
4040 consistency checks after completing the pass.
4042 2005-11-11 David Edelsohn <edelsohn@gnu.org>
4045 * common.opt (Wvolatile-register-var): New.
4046 * varasm.c (make_decl_rtl): Only emit warning when option
4047 specified. Clarify warning message.
4048 * doc/invoke.texi (Wvolatile-register-var): Document new option.
4050 * doc/md.texi (copysign): Document standard named pattern.
4052 2005-11-11 Jie Zhang <jie.zhang@analog.com>
4054 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
4055 bytes when align is 2.
4056 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
4057 by the first instruction of the loop.
4059 2005-11-11 Jason Merrill <jason@redhat.com>
4062 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
4065 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
4067 PR rtl-optimization/22509
4068 * local-alloc.c (memref_used_between_p): Check whether a function call
4069 could not reference the memref.
4071 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
4073 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
4074 algorithm so as to choose the best, not the worst, alternative.
4075 Reset accumulated register class before processing next alternative.
4077 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
4080 * calls.c (expand_call): Copy a return value to a plain register
4083 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
4086 * varasm.c (assemble_name): Recompute name only for transparent
4089 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
4091 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
4093 2005-11-04 Jeff Law <law@redhat.com>
4096 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
4097 perform reassociation if the parent statement will not die as
4098 a result of the optimization.
4100 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
4102 * tree-ssa-alias.c (compute_may_aliases): Remove call to
4103 delete_old_heap_vars.
4104 * tree-dfa.c (referenced_var_remove): Remove function.
4105 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
4106 (delete_tree_ssa): Remove call to delete_old_heapvars.
4107 Add call to delete_alias_heapvars.
4108 * tree-flow.h (referenced_var_remove): Remove prototype
4109 (init_alias_heapvars): New prototype.
4110 (delete_alias_heapvars): Ditto.
4111 * Makefile.in (tree-ssa-structalias.o): Add
4112 gt-tree-ssa-structalias.o
4113 (GTFILES): Add tree-ssa-structalias.h and
4114 tree-ssa-structalias.c.
4115 (s-gtype): Add gt-tree-ssa-structalias.h.
4116 * tree-ssa-structalias.c (heapvars): Remove.
4117 (oldheapvars): Remove.
4118 (heapvar_for_stmt): New variable.
4119 (heapvar_lookup): New function.
4120 (heapvar_insert): Ditto.
4121 (get_constraint_for): See if we have an old heapvar
4123 (init_alias_heapvars): New function.
4124 (delete_alias_heapvars): Ditto.
4125 Add include of gt-tree-ssa-structalias.h.
4127 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4130 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
4132 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
4134 * tree.c (int_fits_type_p): Only look at the base type
4135 if it has the same precision as the original type.
4137 2005-11-10 Jakub Jelinek <jakub@redhat.com>
4140 * varasm.c (assemble_alias): Use %q+D in the error
4141 message instead of %J and %qD.
4143 2005-11-10 Richard Guenther <rguenther@suse.de>
4145 * gcse.c (free_ldst_entry): Only free hashtable if
4148 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4150 * function.c (assign_stack_local_1): Issue an error message if
4151 the frame size overflows in the signed target arithmetics.
4153 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4155 * tree.c (build_qualified_type): Chain the new type to the original
4156 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4157 a POINTER_TYPE or a REFERENCE_TYPE respectively.
4158 (build_pointer_type_for_mode): Only return unqualified types.
4159 (build_reference_type_for_mode): Likewise.
4161 2005-11-09 Jakub Jelinek <jakub@redhat.com>
4163 * Makefile.in (gnucompare): Do comparison of all files using one of
4164 the chosen methods and only afterwards decide if just warning should
4165 be issued or comparison failure raised.
4167 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4169 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
4170 (noce_try_abs): Negate if the comparison is reversed.
4171 Look only one instruction backwards for a REG_EQUAL note.
4173 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
4176 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
4177 gthr-tpf.h: Define __gthrw. For all identifiers that might
4178 be weak, introduce weakrefs or non-weak aliases with __gthrw,
4179 and prefix all uses with __ghtrw.
4181 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
4184 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
4185 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
4186 * c-common.c (handle_weakref_attribute): New.
4187 (c_common_attribute_table): Add weakref.
4188 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
4190 * configure, config.in: Rebuilt.
4191 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
4192 * doc/extend.texi: Document weakref attribute.
4193 * varasm.c (ultimate_transparent_alias_target): New
4194 (assemble_name): Use it.
4195 (weak_finish_1): Split out of...
4196 (weak_finish): ... and deal with weakrefs in...
4197 (weakref_targets): ... new list.
4198 (globalize_decl): Clean up weakref_targets.
4199 (do_assemble_alias): Handle weakrefs.
4200 (finish_aliases_1): Do not reject weakrefs to external symbols.
4201 (assemble_alias): Handle weakrefs.
4203 2005-11-09 Richard Guenther <rguenther@suse.de>
4205 PR tree-optimization/24716
4206 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
4207 t_bool to track results from follow_ssa_edge.
4209 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4211 * final.c (force_source_line): New global variable.
4212 (final_scan_insn): Set it to true instead of clearing last_filename.
4213 (notice_source_line): Return true if force_source_line is true,
4214 unless source info is absent.
4216 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
4219 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
4220 a linkage name for a variable if it a register variable.
4221 * c-decl.c (grokdeclarator): Global register variables
4222 should be set as PUBLIC.
4224 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4227 * config/s390/s390.c (struct s390_frame_layout): New fields
4228 first_save_gpr_slot and last_save_gpr_slot.
4229 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
4230 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
4231 first_save_gpr and last_save_gpr with the _slot variants.
4232 (s390_register_info): Calculate first_save_gpr_slot and
4233 last_save_gpr_slot using regs_ever_live.
4235 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4238 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
4239 for a function containing a landing pad.
4241 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4244 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
4247 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
4249 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
4250 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
4252 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
4255 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
4257 (call,load,store): New insn types.
4258 (mem_access, branch_access): Adjust reservation conditions.
4259 (define_delay): Adjust condition.
4260 (decrement_and_branch_until_zero): Allow for ms2. Set branch
4262 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
4263 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
4265 (call_internal, call_value_internal, return_internal,
4266 return_interrupt_internal, eh_return_internal, indirect_jump,
4267 tablejump): Set call insn type.
4268 (blockage, ei, di): Use appropriate unspec const.
4269 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
4270 (ms1_get_attr_type): Adjust to give load & store types.
4271 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
4272 backwards past a barrier.
4273 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
4275 (struct branch_info, struct label_info): New.
4277 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
4278 (ms1_machine_reorg): New.
4279 (TARGET_MACHINE_DEPENDENT_REORG): Override.
4280 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
4281 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
4282 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
4285 2005-11-09 Per Bothner <per@bothner.com>
4286 Uros Bizjak <uros@kss-loka.si>
4289 * toplev.c (process_options): Initialize debug_hooks early
4290 in case lang_hooks.post_options ends up calling a debug_hook.
4292 2005-11-08 Jakub Jelinek <jakub@redhat.com>
4294 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
4295 DBX_REGISTER_NUMBER being contiguous.
4297 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
4298 Diego Novillo <dnovillo@redhat.com>
4301 * tree-vrp.c (register_edge_assert_for): Do not register
4302 always-false predicates.
4304 2005-11-08 Devang Patel <dpatel@apple.com>
4306 PR tree-optimization/23115
4307 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
4310 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
4312 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
4315 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
4317 Fix PR tree-optimization/23382
4319 * tree-ssa-alias.c (compute_may_aliases): Call
4320 delete_old_heap_vars.
4321 * tree-dfa.c (referenced_var_remove): New function.
4322 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
4323 * tree-flow.h (referenced_var_remove): Add prototype.
4324 (delete_old_heap_vars): Ditto.
4325 * tree-ssa-structalias.c (heapvars): New variable.
4326 (oldheapvars): Ditto.
4327 (get_constraint_for): Put heap vars on heapvars list.
4328 (delete_old_heap_vars): New function.
4330 2005-11-08 Jason Merrill <jason@redhat.com>
4332 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
4334 2005-11-08 Uros Bizjak <uros@kss-loka.si>
4337 * reg-stack.c (reg_to_stack): Update register liveness also
4338 for flag_sched2_use_traces.
4340 2005-11-08 Alan Modra <amodra@bigpond.net.au>
4343 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
4344 override prior explicit -mno-powerpc-gfxopt.
4346 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
4348 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
4349 if the bitsize is zero.
4350 * doc/md.texi (Standard Pattern Names): Document it.
4352 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
4353 (TARGET_PASS_BY_REFERENCE): Likewise.
4355 2005-11-07 Ian Lance Taylor <ian@airs.com>
4357 PR rtl-optimization/24683
4358 * config/i386/i386.c (legitimize_pic_address): If constant operand
4359 to PLUS is too large, put it in a register.
4361 2005-11-07 Jie Zhang <jie.zhang@analog.com>
4363 * configure.ac: Enable checking assembler dwarf2 support for bfin
4365 * configure: Regenerate.
4367 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
4371 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
4372 gen_easy_vector_constant_add_self): Delete.
4373 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
4375 (output_vec_const_move): Use gen_easy_altivec_constant.
4376 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
4377 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
4378 (easy_vector_constant_add_self): Rewritten.
4379 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
4380 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
4381 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
4382 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
4383 Macroize and adjust for the other changes.
4385 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
4389 * c-typeck.c (build_c_cast): Try using a shared constant, and see
4390 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
4392 2005-11-07 Jakub Jelinek <jakub@redhat.com>
4394 PR rtl-optimization/23567
4395 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
4396 (noce_process_if_block): Don't do any optimizations except
4397 if (cond) x = x; if !set_b and write into orig_x may trap
4398 or fault. Remove the MEM_READONLY_P check.
4400 2005-11-06 Diego Novillo <dnovillo@redhat.com>
4403 * tree-vrp.c (fix_equivalence_set): New.
4404 (extract_range_from_assert): Call it.
4406 2005-11-05 Ian Lance Taylor <ian@airs.com>
4409 * combine.c (apply_distributive_law): Don't distribute across a
4412 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
4414 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
4415 config/ms1/ms1.h, config/rs6000/predicates.md,
4416 config/s390/s390.c, params.def, postreload-gcse.c,
4417 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
4418 tree-vrp.c, tree.c: Fix comment typos.
4419 * doc/invoke.texi: Fix typos.
4421 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
4423 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
4424 for testing whether the data_dependence_relation contains distance
4425 vectors. Iterate over all distance vectors of the ddr.
4426 * lambda.h: Define a vec of lambda_vector pointers.
4427 * tree-data-ref.c (dump_data_dependence_relation,
4428 dump_data_dependence_direction): Iterate over all distance and
4429 direction vectors of the ddr.
4430 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
4432 (build_classic_dist_vector, build_classic_dir_vector): Push a set
4433 of distance/direction vectors instead of a single one.
4434 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
4435 lambda_vectors with a vec of lambda_vectors.
4436 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
4437 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
4438 DDR_NUM_DIST_VECTS): New.
4439 * tree-loop-linear.c (gather_interchange_stats): Test for the
4440 existence of distance vectors only after having checked that there
4441 is a dependence. Iterate over all distance vectors of the ddr.
4442 (linear_transform_loops): Use dump_data_dependence_relation.
4443 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
4444 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
4445 distance vectors of the ddr.
4447 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
4449 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
4450 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
4451 IS_INTHANDLER; all callers changed.
4452 (n_regs_saved_by_prologue): Take interrupt handler attributes into
4454 (do_link, do_unlink): New argument ALL; all callers changed.
4455 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
4456 If function isn't leaf, save and restore all registers.
4457 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
4460 2005-11-05 Jan Hubicka <jh@suse.cz>
4462 PR rtl-optimization/23490
4463 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
4464 max-flow-memory-location): Document.
4465 * flow.c: Include params.h
4466 (MAX_MEM_SET_LIST_LEN): Kill.
4467 (add_to_mem_set_list): Use new param.
4468 * cse.c (cse_basic_block): Replace 1000 by new param.
4469 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
4470 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
4471 * predict.c (predict_loops): Use new param.
4472 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
4474 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
4475 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4476 Do not hold memory returned by cgraph_node_name across other call.
4478 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
4481 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
4484 2005-11-04 Jeff Law <law@redhat.com>
4487 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
4488 * tree-ssa-dom.c: Include params.h.
4489 (thread_across_edge): If there are too many statements in the
4490 target block, then do not thread through it.
4491 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
4492 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
4494 2005-11-03 Diego Novillo <dnovillo@redhat.com>
4497 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
4498 TODO_update_ssa instead of TODO_update_ssa_no_phi.
4500 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
4503 * tree-scalar-evolution.c (instantiate_parameters_1,
4504 instantiate_parameters, resolve_mixers): Compute the size of an
4505 expression to be instantiated and give up the instantiation if the
4506 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4508 2005-11-04 Richard Guenther <rguenther@suse.de>
4510 * tree-flow.h (ref_contains_indirect_ref): Rename to
4511 array_ref_contains_indirect_ref.
4512 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
4513 (array_ref_contains_indirect_ref): Make comment match the code
4515 (ref_contains_array_ref): Likewise.
4516 * tree-ssa-structalias.c (find_func_aliases): Remove call to
4517 ref_contains_indirect_ref.
4518 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4519 Rename calls to ref_contains_indirect_ref.
4521 2005-11-04 Paul Brook <paul@codesourcery.com>
4523 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
4524 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
4525 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4526 * config/arm/arm.md: Use match_operand in peephole input templates
4527 and match_dup in peephole output templates.
4529 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4531 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
4534 2005-11-04 Mark Mitchell <mark@codesourcery.com>
4535 Daniel Jacobowitz <dan@codesourcery.com>
4537 * longlong.h (add_ssaaaa): Clobber condition code register
4539 (sub_ddmmss): Likewise.
4540 (umul_ppmm): Likewise.
4542 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4543 Paul Brook <paul@codesourcery.com>
4544 Phil Blundell <pb@reciva.com>
4546 * configure.ac: Add test for ARM TLS support.
4547 * configure: Regenerated.
4548 * config/arm/arm-protos.h (legitimize_tls_address)
4549 (arm_tls_referenced_p, tls_mentioned_p)
4550 (arm_output_addr_const_extra): New prototypes.
4551 (thumb_legitimize_pic_address): Delete.
4552 * config/arm/arm.c: Include "gt-arm.h".
4553 (enum tls_reloc): New.
4554 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
4555 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
4556 (arm_call_tls_get_addr, legitimize_tls_address)
4557 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
4558 (arm_init_tls_builtins, arm_emit_tls_decoration)
4559 (arm_output_addr_const_extra): New functions.
4560 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
4561 (TARGET_HAVE_TLS): Define.
4562 (target_thread_pointer): New.
4563 (arm_override_options): Handle -mtp=.
4564 (legitimize_pic_address): Ignore UNSPECs.
4565 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4567 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4568 (tls_get_addr_libfunc): New variable.
4569 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4570 (arm_init_builtins): Call arm_init_tls_builtins.
4571 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4572 (arm_encode_section_info): Call default_encode_section_info.
4573 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4574 (enum arm_tp_type): New.
4575 (target_thread_pointer): Add declaration.
4576 (LEGITIMATE_CONSTANT_P): Handle TLS.
4577 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4578 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4579 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4580 * config/arm/arm.md: Add UNSPEC_TLS.
4581 (movsi): Handle TLS.
4582 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4584 (tls_load_dot_plus_eight): New insn and a peephole to create it.
4585 (load_tp_hard, load_tp_soft): New insns.
4586 * arm.opt: Add -mtp=.
4587 * doc/invoke.texi (ARM Options): Document -mtp.
4589 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4591 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4592 * config/arm/libunwind.S: Include "lib1funcs.asm".
4593 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4594 (LIB2ADDEH): Add libunwind.S.
4595 (LIB2ADDEHDEP): Add lib1funcs.asm.
4596 * mklibgcc.in: Handle asm files in libgcc_eh.a.
4598 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4601 * gcc/c.opt: Add a -lang-fortran option.
4602 * gcc/c-opts.c: Add a lang_fortran flag.
4603 (c_common_init_options): Handling the -lang-fortran option.
4604 (c_common_handle_option): Add a case for Fortran options in
4605 preprocessing. Remove cases for -ffixed-form and
4606 -ffixed-line-length. Add a case for -lang-fortran.
4608 2005-11-03 David Edelsohn <edelsohn@gnu.org>
4610 * config/rs6000/rs6000.c: Include params.h
4611 (optimization_options): Set max-grow-copy-bb-insns default to 16.
4612 (bdesc_2arg): Delete vpkuhss and vpkuwss.
4613 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4614 (UNSPEC_VPKUWSS): Delete.
4615 (altivec_vpkuhss): Delete.
4616 (altivec_vpkuwss): Delete.
4617 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4619 (neg_eq0<mode>): Remove final condition.
4620 (neg_eq<mode>): Remove condition and split-condition.
4622 2005-11-04 Alan Modra <amodra@bigpond.net.au>
4624 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4625 Use associated print macros.
4627 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4630 * diagnostic.c (diagnostic_set_info_translated): New function.
4631 (diagnostic_set_info): Use it. Add comment.
4632 * diagnostic.h (diagnostic_set_info_translated): Declare.
4634 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
4636 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4637 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4638 reference only if 'public' is true.
4639 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4640 emit the .hidden directive only if the indirect reference is public.
4641 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4642 Pass it to dw2_force_const_mem.
4643 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4644 * dwarf2out.c (output_cfi): Adjust calls to above function.
4645 (output_call_frame_info): Likewise.
4646 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4647 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4649 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
4651 PR tree-optimization/24483
4652 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4653 field to elts if possible.
4655 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4658 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4661 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
4663 Fix PR tree-optimization/24351
4665 * tree-ssa-structalias.c (struct variable_info): Add
4667 (get_varinfo_fc): New function to follow collapsing.
4668 (new_var_info): Set collapsed_to to NULL.
4669 (dump_constraint): Follow collapsing.
4670 (build_constraint_graph): Handle collapsing.
4671 (do_simple_structure_copy): Return false if something bad
4673 (collapse_rest_of_var): New function.
4674 (do_structure_copy): Collapse if do_simple_structure_copy returns
4677 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4680 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4681 expressions to a statement list instead of gimplifying them.
4683 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4685 PR rtl-optimization/23585
4686 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4687 that can't trap plus a constant integer, if the mode has zero size.
4689 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
4692 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4694 ("*insv<mode>_reg_extimm"): Likewise.
4696 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4699 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4700 c_common_type_for_mode returns an unnamed type.
4702 2005-11-02 Richard Henderson <rth@redhat.com>
4706 * dwarf2out.c (dwarf2out_reg_save_reg): New.
4707 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4708 * function.c (assign_parms): Use calls.internal_arg_pointer.
4709 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4711 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4712 (TARGET_CALLS): Add it.
4713 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4714 * targhooks.c (default_internal_arg_pointer): New.
4715 * targhooks.h (default_internal_arg_pointer): Declare.
4716 * tree.h (dwarf2out_reg_save_reg): Declare.
4717 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4718 * config/i386/i386.c (dbx_register_map): Add return column.
4719 (dbx64_register_map, svr4_dbx_register_map): Likewise.
4720 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4721 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4722 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4723 (ix86_save_reg): Save force_align_arg_pointer.
4724 (ix86_emit_save_regs): Make regno unsigned.
4725 (ix86_emit_save_regs_using_mov): Likewise.
4726 (ix86_expand_prologue): Handle force_align_arg_pointer.
4727 (ix86_expand_epilogue): Likewise.
4728 * config/i386/i386.h: (dbx_register_map): Update.
4729 (dbx64_register_map, svr4_dbx_register_map): Update.
4730 (struct machine_function): Add force_align_arg_pointer.
4731 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4732 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4733 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4735 2005-11-02 Jan Hubicka <jh@suse.cz>
4738 * i386.md: Add peep2 for simplyfing array accesses.
4740 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4743 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4744 * config/s390/s390.c (s390_decompose_shift_count): New function.
4745 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4746 (print_shift_count_operand): Use s390_decompose_shift_count.
4747 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4748 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
4750 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4753 * loop.c (loop_givs_rescan): Use force_operand to expand
4756 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
4759 * fold-const.c (build_range_check): Use unsigned when signed
4760 overflow is undefined also. If etype is subtype, make sure that
4761 the subtraction is in the supertype.
4763 2005-11-02 Richard Henderson <rth@redhat.com>
4766 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4769 2005-11-01 Richard Henderson <rth@redhat.com>
4772 * loop.c (scan_loop): Do not propagate computations to a hard
4773 register destination with SMALL_REGISTER_CLASSES.
4775 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
4777 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4778 costs for MULT inside PLUS or MINUS.
4780 2005-11-01 Bob Wilson <bob.wilson@acm.org>
4782 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4783 (TRAMPOLINE_SIZE): Round up to 60.
4784 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4786 2005-10-31 James E. Wilson <wilson@specifix.com>
4789 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4790 ifdef. Put ifdefs around call in gen_subprogram_die.
4791 (compute_frame_pointer_to_cfa_displacement): Likewise.
4792 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4795 PR rtl-optimization/17356
4796 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
4797 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4799 2005-10-31 Jan Hubicka <jh@suse.cz>
4802 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4805 * i386.c (legitimize_pic_address): Deal with large immediates.
4808 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4809 from symbol names while computing checkup.
4812 * predict.c (predict_loops): Do not estimate more than
4813 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4814 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4816 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
4818 PR tree-optimization/19097
4819 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4821 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
4823 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4825 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
4828 * tree-inline.c (setup_one_parameter): If the init_stmt
4829 is NULL, don't insert the statement.
4831 2005-10-30 Jan Hubicka <jh@suse.cz>
4833 PR tree-optimization/24172
4834 * tree-inline.c (copy_body_r): Unshare the substituted value first.
4836 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
4838 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4839 constants for hosts with long != 32 bits.
4841 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
4844 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4846 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
4848 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4849 (TARGET_MS1_16_002): New.
4850 (TARGET_MS1_16_003): New.
4852 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4853 ("*decrement_and_branch_until_zero_no_clobber"): New.
4854 Add corresponding splitter for decrement_and_branch_until_zero
4856 Key all decrement_and_branch_until_zero patterns off of
4859 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
4862 * tree-complex.c (extract_component): Treat RESULT_DECL
4863 like the rest of the decls.
4865 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
4867 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4868 indirect call to _mcount if the function needs a static chain.
4870 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
4871 Caroline Tice <ctice@apple.com>
4873 PR rtl-optimization/24460
4874 * dwarf2out.c (have_switched_text_sections): New boolean variable.
4875 (dwarf2out_switch_text_section): Set it to true instead of
4876 incrementing separate_line_info_table_in_use.
4877 (output_loc_list): Additionally test have_switched_text_sections.
4878 (output_ranges): Likewise.
4879 (dwarf2out_finish): Likewise.
4880 * varasm.c (assemble_start_function): Do not call
4881 insert_section_boundary_note.
4882 (assemble_end_function): If flag_reorder_blocks_and_partition,
4883 switch to the function's section before emitting the .size directive.
4884 * bb-reorder.c (insert_section_boundary_note): Staticify.
4885 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4886 * output.h (insert_section_boundary_note): Delete.
4888 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
4891 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4892 instead of pointer equality when comparing types.
4894 2005-10-24 James E. Wilson <wilson@specifix.com>
4896 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4897 add_dependence_list_and_free calls.
4899 2005-10-24 Steven Bosscher <stevenb@suse.de>
4901 * contrib.texi: Add the names of the LLNL folks who donated
4902 Cray pointer support for gfortran.
4904 2005-10-24 Steven Bosscher <stevenb@suse.de>
4906 PR tree-optimization/24225
4907 * profile.c (branch_prob): Look from end to start through a
4908 basic block when looking for a locus.
4910 2005-10-24 Richard Henderson <rth@redhat.com>
4912 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4914 (hppa_expand_prologue): Likewise.
4916 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4918 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4919 (NO_DEFERRED_PROFILE_COUNTERS): Define.
4920 * pa.h (NO_PROFILE_COUNTERS): Define.
4921 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4922 (funcdef_nos): New vector to hold label numbers of deferred profile
4924 (output_deferred_profile_counters): New function.
4925 (hppa_profile_hook): Push label number onto funcdef_nos.
4926 (pa_hpux_file_end): Call output_deferred_profile_counters if
4927 NO_DEFERRED_PROFILE_COUNTERS is false.
4929 * pa-protos.h (get_deferred_plabel): New prototype.
4930 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
4932 (output_call): Adjust calls.
4934 2005-10-24 Alan Modra <amodra@bigpond.net.au>
4936 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4937 peculiarity of GOT/TOC section usage.
4939 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
4942 * c-common.c (constant_string_class_name): Add documentation.
4944 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
4947 * recog.c (peephole2_optimize): Increment peep2_current_count
4948 only when the slot is empty.
4950 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4953 * except.c (output_function_exception_table): Call
4954 assemble_external_libcall if we need a personality function.
4956 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4958 PR rtl-optimization/24460
4959 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4960 set the basic block for barriers.
4962 2005-10-21 Janis Johnson <janis187@us.ibm.com>
4964 * var-tracking.c (vt_initialize): Initialize post.
4966 2005-10-21 Devang Patel <dpatel@apple.com>
4969 * c-common.c (vector_types_convertible_p): Check vector element type.
4971 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
4973 * config/sh/sh.c (prepare_move_operands): Handle the address
4974 constant which is a tls symbolic address plus a constant.
4976 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
4979 * gcc.c (main): Use the correct counter for erroring out
4980 about mulitple files.
4982 2005-10-21 Alan Modra <amodra@bigpond.net.au>
4985 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4986 use r2 for 64-bit tls .got access.
4988 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
4990 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4993 2005-10-20 Steven Bosscher <stevenb@suse.de>
4995 PR tree-optimization/24307
4996 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4998 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
5001 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
5003 * varasm.c (find_decl_and_mark_needed): After cgraph global info
5004 is ready, stop marking functions, but still mark variables.
5006 2005-10-20 Richard Guenther <rguenther@suse.de>
5009 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
5012 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
5014 PR rtl-optimization/23585
5015 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
5016 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
5017 (may_trap_p_1): New predicate extracted from...
5018 (may_trap_p): ... here. Invoke may_trap_p_1.
5019 (may_trap_or_fault_p): New predicate.
5020 * rtl.h (may_trap_or_fault_p): Declare it.
5021 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
5022 instead of may_trap_p.
5023 (steal_delay_list_from_fallthrough): Likewise.
5024 (fill_simple_delay_slots): Likewise.
5025 (fill_slots_from_thread): Likewise.
5026 * function.c (pad_to_arg_alignment): Rework comment about
5027 SPARC_STACK_BOUNDARY_HACK.
5028 * config/sparc/sparc.h: Likewise.
5030 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
5032 * config/s390/s390.c (s390_expand_insv): New.
5033 * config/s390/s390-protos.h (s390_expand_insv): Declare.
5034 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
5035 ("icm_hi"): Remove mode attribute.
5036 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
5038 ("*extracthi", "*extractqi"): Remove.
5039 (extv<mode>", "*extzv<mode>"): New.
5040 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
5041 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
5043 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5045 * cfgexpand.c (discover_nonconstant_array_refs_r,
5046 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
5047 (tree_expand_cfg): Call discover_nonconstant_array_refs.
5048 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
5049 discover_nonconstant_array_refs.
5051 2005-10-19 Steven Bosscher <stevenb@suse.de>
5054 * c-decl.c (pop_scope): Don't warn about an unused variable
5055 if it is marked with TREE_NO_WARNING.
5056 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
5057 somenow mismatch and olddecl is to be replaced.
5059 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
5062 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
5063 whether registers live on the edge can be saved/restored.
5065 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
5067 * config/sh/sh.c (fixup_mova): Skip notes.
5069 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5071 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
5072 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
5073 (s390_can_eliminate): Handle BASE_REGNUM elimination.
5074 (s390_initial_elimination_offset): Likewise.
5075 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
5076 register on TARGET_ZARCH targets.
5077 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
5078 (INITIAL_FRAME_POINTER_OFFSET): Remove.
5079 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
5080 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
5082 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
5084 * config/s390/s390.md: Comment describing output modifiers updated.
5085 * config/s390/s390.c (print_operand): Likewise.
5087 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
5089 * config/s390/s390.c (override_options): Added check for -mstack-size
5091 * doc/invoke.texi: Mention that limit in the documenation.
5093 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
5096 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
5098 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
5100 Fix PR tree-optimization/24231
5102 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
5103 (compute_avail): Ditto.
5105 2005-10-18 Richard Henderson <rth@redhat.com>
5108 * config/i386/i386.c (legitimate_constant_p): Check
5109 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
5111 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
5112 (legitimate_pic_address_disp_p): Reorg CONST checking to make
5113 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
5115 (print_operand_address): Likewise.
5116 * config/i386/predicates.md (x86_64_immediate_operand): Test
5117 SYMBOL_REF_TLS_MODEL properly inside CONST.
5118 (x86_64_zext_immediate_operand): Likewise.
5119 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
5120 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
5121 * config/i386/i386-protos.h: Remove predicates.md entries.
5123 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
5125 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
5126 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
5128 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
5129 Ian Lance Taylor <ian@airs.com>
5132 * fold-const.c (fold_widened_comparison): Do not allow range based
5133 constant folding when right operand cannot be unwidened.
5135 2005-10-17 Richard Henderson <rth@redhat.com>
5137 * builtins.c (expand_builtin_synchronize): Build a new-style asm
5138 with a memory clobber.
5140 2005-10-17 James E Wilson <wilson@specifix.com>
5142 PR rtl-optimization/17356
5143 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
5144 checking for EDGE_EH.
5146 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
5148 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
5149 the slot on an even boundary for any type with 16-byte alignment.
5151 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
5154 * md.texi (Modifiers) <%>: Clarify that % doesn't work
5155 after register allocation.
5157 2005-10-17 DJ Delorie <dj@redhat.com>
5159 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
5162 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
5165 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
5168 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
5170 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
5171 to 2 if it's already non-zero.
5172 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
5173 is set and warn about it if flag_schedule_insns is 1.
5175 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
5177 * config/crx/crx.md: Compare-and-branch instructions need to
5180 2005-10-17 Uros Bizjak <uros@kss-loka.si>
5183 * config/i386/i386.md (*pushdi2_rex64 splitter)
5184 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
5185 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
5186 flow2 pass only when (optimize > 0 && flag_peephole2).
5188 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
5191 * gcc.c (have_c): New static variable.
5193 (process_command): Remove declation of have_c.
5194 Set have_o to 1 when handling -o.
5195 (main): Add a fatel error if there are multiple
5196 files specified and -o and -c/-S is passed witout
5197 -combine or multiple languages.
5199 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
5201 Fix PR tree-optimization/22444
5202 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
5203 Assert that we don't hit something with subvars.
5204 (setup_pointers_and_addressables): Don't add things with subvars,
5205 because we'll already process the subvars for aliasing purposes.
5207 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
5210 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
5211 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
5212 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
5213 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
5214 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
5215 swapped, alternatives for the R constraint.
5218 * builtins.c (get_builtin_sync_mode): Make unlimited
5219 mode_for_size request.
5221 2005-10-15 Richard Henderson <rth@redhat.com>
5223 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
5224 (gimplify_expr): ... here.
5225 (gimplify_compound_lval): Use it in initial scan loop. Allow
5226 fb_lvalue in base expression.
5228 2005-10-15 Richard Henderson <rth@redhat.com>
5231 * builtins.c (expand_builtin_trap): Export.
5232 * expr.h (expand_builtin_trap): Declare.
5233 * expr.c (expand_assignment): Emit a trap for integral offsets
5234 from registers that weren't reduced to bitpos.
5236 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
5237 (mark_array_ref_addressable): Remove.
5238 * tree-flow.h (mark_array_ref_addressable): Remove.
5239 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
5241 2005-10-15 James E Wilson <wilson@specifix.com>
5244 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
5245 (add_dependence_list_and_free): Likewise.
5246 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
5249 2005-10-15 Diego Novillo <dnovillo@redhat.com>
5253 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
5254 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
5256 (vrp_visit_phi_node): Only prevent infinite iterations when
5257 the previous result and the new result are both VR_RANGEs.
5259 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
5261 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
5264 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5267 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
5270 2005-10-14 Per Bothner <per@bothner.com>
5272 PR preprocessor/21250
5273 * c-ppoutput.c (print_line): Print internal line 0 as 1.
5275 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
5278 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
5279 overflow flags. Refactor some conditionals.
5281 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
5284 * tree-dfa.c (add_referenced_var): Only look at decls which
5285 have TREE_CONSTANT or TREE_READONLY set instead of if
5286 !TREE_PUBLIC or !TREE_CONSTANT.
5288 2005-10-13 James E Wilson <wilson@specifix.com>
5290 * doc/invoke.texi: For -x, add f95-cpp-input.
5291 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
5293 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
5295 PR tree-optimization/24262
5296 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
5297 in loop all the time.
5299 2005-10-12 Richard Henderson <rth@redhat.com>
5302 * tree.h (DECL_TRANSPARENT_UNION): Remove.
5303 * function.c (assign_parm_find_data_types): Don't support it.
5304 * print-tree.c (print_node): Likewise.
5305 * c-common.c (handle_transparent_union_attribute): Likewise.
5306 Use build_duplicate_type.
5307 * tree-inline.c (remap_type_1): Split out of remap_type;
5308 properly remap aggregate fields.
5309 (build_duplicate_type): New.
5310 * doc/extend.texi (Variable Attributes): Remove documentation
5311 for transparent_union.
5313 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5316 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
5317 (gen_stack_pointer_dec): Likewise.
5319 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
5323 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
5325 (struct cxx): Add adjust_class_at_definition target hook.
5326 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
5327 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
5328 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
5329 hook_void_tree. Add to TARGET_CXX.
5330 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
5332 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
5333 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
5334 instead of attribute. Check for dllexport override. Warn if
5335 inconsistent dll linkage. Don't lose old dllimport if decl has
5336 had address referenced. Tweak lookup of dllimport atribute.
5337 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
5338 for target specific rules. Don't add dllimport attribute if
5339 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
5340 dllimport attribute.
5341 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
5342 * varasm.c (initializer_constant_valid_p): Replace
5343 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
5347 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
5348 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
5349 (i[34567]86-*-mingw32*): Likewise.
5351 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
5352 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
5354 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
5355 C++-specific code. Change return value to bool.
5356 (i386_pe_dllimport_p): Likewise.
5357 (associated_type): Simplify and make language-independent
5358 (i386_pe_encode_section_info): Replace override of ambiguous
5359 dllimport symbol refs with a gcc_assert.
5360 (i386_pe_valid_dllimport_attribute_p): Define.
5361 * config/i386/winnt-cxx.c: New file. Define C++ versions of
5362 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5363 i386_pe_adjust_class_at_definition.
5364 * config/i386/winnt-stubs.c: New file. Define stub versions of
5365 lang-specific functions.
5366 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
5367 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5368 i386_pe_adjust_class_at_definition.
5369 (i386_pe_valid_dllimport_attribute_p): Declare.
5370 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
5371 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
5372 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
5375 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
5376 dllimport attribute with test of DECL_DLLIMPORT_P.
5378 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
5380 * combine.c (make_extraction): Correct offset computation.
5382 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
5384 * config/cris/t-linux (LIMITS_H_TEST): Define.
5386 2005-10-12 Richard Henderson <rth@redhat.com>
5389 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
5391 2005-10-12 Richard Guenther <rguenther@suse.de>
5393 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
5395 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
5398 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
5399 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
5402 2005-10-12 Richard Guenther <rguenther@suse.de>
5405 * varasm.c (output_constant): Correct typo from previous
5408 2005-10-11 Ian Lance Taylor <ian@airs.com>
5410 PR rtl-optimization/13931
5411 * combine.c: Revert patch of 2003-05-14, and:
5412 (try_combine): Only set elim_i1 and elim_i2 if the destination is
5413 completely killed in the appropriate insn.
5414 (distribute_notes): Don't skip multiple hard register test for
5415 elim_i1 and elim_i2.
5417 2005-10-11 Richard Henderson <rth@redhat.com>
5420 * c-typeck.c (convert_for_assignment): Use build_constructor_single
5421 to initialize a transparent union instead of a nop_expr.
5423 2005-10-11 Richard Henderson <rth@redhat.com>
5425 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
5426 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
5427 (tree_ssa_dce_loop): Call scev_reset.
5430 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
5431 * tree-ssa-dce.c: Include cfgloop.h.
5432 (tree_ssa_dce_loop, pass_dce_loop): New.
5433 * tree-pass.h (pass_dce_loop): Declare it.
5434 * passes.c (init_optimization_passes): Use it.
5436 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5439 * convert.c (convert_to_real): Revert 2005-10-05 patch.
5440 Only apply the optimization for rounding builtins if the inner
5441 cast is also an extension.
5443 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
5446 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
5447 mark_new_vars_to_rename instead of update_stmt.
5449 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
5451 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
5453 2005-10-11 Jakub Jelinek <jakub@redhat.com>
5455 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
5456 for setting MMX register to 0 rather than mmx.
5458 2005-10-10 Steve Ellcey <sje@cup.hp.com>
5461 * configure.ac: Move gas check from mips specific case to common case.
5462 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
5463 * configure: Regenerate
5464 * doc/install.texi: Update.
5466 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5469 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
5471 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
5473 * gcc.c (do_spec_1): Accept numeric characters in file name
5476 2005-10-10 Nick Clifton <nickc@redhat.com>
5478 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
5479 describing the deleted arm_gen_rotated_half_load function.
5481 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
5483 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
5486 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
5488 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
5490 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
5491 (EXTRA_MULTILIB_PARTS): Define.
5492 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5493 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5494 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
5495 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5496 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5497 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
5499 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
5501 PR tree-optimization/24226
5502 * tree-cfg.c (remove_bb): Clean up unreachable loops.
5503 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
5504 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
5507 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5509 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
5511 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
5514 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
5515 Rewrite for no need for the early clobber.
5517 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
5519 Merge from csl-arm-branch:
5520 2005-09-07 Paul Brook <paul@codesourcery.com>
5521 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
5524 2005-04-30 Paul Brook <paul@codesourcery.com>
5525 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
5526 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
5528 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
5529 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
5530 (arm_override_options): Use TARGET_AAPCS_BASED.
5531 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
5532 (PTRDIFF_TYPE): Use int for AAPCS.
5533 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
5534 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
5535 (DEFAULT_SHORT_ENUMS): Delete.
5536 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
5538 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
5539 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
5540 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
5541 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
5543 2004-12-03 Mark Mitchell <mark@codesourcery.com>
5544 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
5546 2004-11-22 Mark Mitchell <mark@codesourcery.com>
5547 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
5549 2004-11-19 Mark Mitchell <mark@codesourcery.com>
5550 * config.gcc (arm*-*-linux-gnueabi): Add it.
5551 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
5553 (TARGET_OS_CPP_BUILTINS): Likeiwse.
5554 * config/arm/linux-eabi.h: New file.
5555 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
5556 (LINUX_TARET_LINK_SPEC): Likewise.
5557 (LINK_SPEC): Use it.
5558 * config/arm/t-linux-eabi: New file.
5560 2005-10-08 Steven Bosscher <stevenb@suse.de>
5563 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
5565 (PARAM_SMS_DFA_HISTORY): Likewise.
5567 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
5570 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5571 (load_register_parameters): Call it.
5572 (check_sibcall_argument_overlap_1): Likewise.
5573 (store_one_arg): Likewise.
5575 2005-10-07 James E. Wilson <wilson@specifix.com>
5577 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5578 DImode not VECINT24 for operand 2.
5581 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5585 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5586 fr_spill): Use destination_operand for operand 0.
5588 2005-10-07 DJ Delorie <dj@redhat.com>
5590 * varasm.c (output_constant): Limit error to expanding
5593 2005-10-07 Richard Guenther <rguenther@suse.de>
5596 * fold-const.c (fold_binary): Fix operand types during folding
5597 of X op (A, Y). Evaluation order of the side-effects of
5598 X and A are frontend-defined, so ensure we honour that even for
5599 tcc_comparison class operands; eased by removing duplicate code.
5601 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5603 * stor-layout.c (layout_type): Do not allow alignment of array
5604 elements to be greater than their size.
5606 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5608 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5610 (hppa*-*-linux*): Ditto.
5611 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5612 * config/host-hpux.c: New.
5613 * config/x-hpux: New.
5614 * config/pa/x-hpux: Remove.
5615 * config/pa/x-linux: Remove.
5616 * config/pa/pa-host.c: Remove.
5618 2005-10-07 Jeff Law <law@redhat.com>
5620 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5621 determine whether or not to try and thread outgoing edges.
5623 2005-10-07 David Edelsohn <edelsohn@gnu.org>
5625 * config/rs6000/rs6000.md (eqsi_power): New.
5626 (neg_eq0si): Add TARGET_POWER to final condition.
5629 2005-10-06 Richard Henderson <rth@redhat.com>
5631 * config/rs6000/rs6000.c: Revert last change.
5633 2005-10-06 Richard Henderson <rth@redhat.com>
5635 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5636 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5638 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
5642 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5643 out return_label and naked_return_label.
5645 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5647 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5650 2005-10-06 Richard Henderson <rth@redhat.com>
5653 * tree-inline.c (declare_return_variable): Handle modify_dest not
5656 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5658 Fix PR tree-optimization/22488
5659 * tree-ssa-structalias.c (check_for_overlaps): New function.
5660 (create_variable_info_for): Use it.
5662 2005-10-06 Richard Henderson <rth@redhat.com>
5665 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5666 (dwarf2out_start_source_file): Print it.
5668 2005-10-06 Geoffrey Keating <geoffk@apple.com>
5670 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5672 2005-10-06 Richard Henderson <rth@redhat.com>
5675 * mode-switching.c (optimize_mode_switching): Clear transp bit
5676 for block with incomming abnormal edges.
5678 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5679 (fpscr_set_from_mem): Use them.
5680 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5681 (fpscr postinc splitters): Rewrite as peephole2+split.
5683 2005-10-06 David Edelsohn <edelsohn@gnu.org>
5685 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5686 (eq<mode>_compare): Same.
5688 2005-10-06 Richard Guenther <rguenther@suse.de>
5690 PR tree-optimization/24238
5691 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5693 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
5695 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5696 here. Use AC_PATH_PROG for environment variables instead of
5698 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
5700 * configure: Regenerated.
5702 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
5705 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5706 then force it into a register.
5707 (call_value): Likewise.
5709 2005-10-06 Richard Henderson <rth@redhat.com>
5712 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5713 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
5714 under pass_vectorize.
5716 2005-10-05 Devang Patel <dpatel@apple.com>
5719 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5720 handling constants. Check NAMESPACE_DECL context for constants.
5722 2005-10-05 Eric Christopher <echristo@apple.com>
5724 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5726 2005-10-05 Richard Henderson <rth@redhat.com>
5729 * tree-cfg.c (mark_array_ref_addressable_1): New.
5730 (mark_array_ref_addressable): New.
5731 * tree-flow.h (mark_array_ref_addressable): Declare.
5732 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5734 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
5738 * reload.c (subst_reloads): When adding a REG_LABEL to a
5739 jump instruction, also update JUMP_LABEL.
5741 2005-10-05 David Edelsohn <edelsohn@gnu.org>
5743 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5744 * bb-reorder.c (copy_bb_p): Use it.
5745 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5747 2005-10-05 Richard Henderson <rth@redhat.com>
5750 * toplev.c (process_options): Warn about unsupported combinations
5751 of unwind tables and omit-frame-pointer.
5752 * config/i386/i386.c (override_options): Similarly. Enable
5753 accumulate-outgoing-args if not explicitly disabled.
5755 2005-10-05 Steve Ellcey <sje@cup.hp.com>
5757 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5758 Handle big endian vs. small endian.
5759 (vec_initv2sf): Handle big endian vs. small endian.
5760 (*vec_extractv2sf_1): Ditto.
5762 2005-10-05 Dale Johannesen <dalej@apple.com>
5764 * convert.c (convert_to_real): Don't convert
5765 (float)floor(double d) to floorf((float)d).
5767 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
5769 * config/arm/arm.md (insv): Use gen_int_mode in more places.
5771 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
5773 PR tree-optimization/18587
5774 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5775 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5776 build_vuses): Change to VEC type.
5777 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5778 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5779 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5780 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5781 (get_name_decl): New. Return DECL_UID of base variable.
5782 (operand_build_cmp): New. qsort comparison routine.
5783 (operand_build_sort_virtual): New. Sort virtual build vector.
5784 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5785 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5786 (FINALIZE_BASE): Use get_name_decl.
5787 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5788 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5789 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5790 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5791 direct VEC_* manipulations.
5792 (build_ssa_operands): Call operand_build_sort_virtual.
5793 (copy_virtual_operand, create_ssa_artficial_load_stmt,
5794 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5795 with direct VEC_* manipulations.
5796 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5797 with direct VEC manipulations.
5799 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
5801 PR tree-optimization/21419
5802 PR tree-optimization/24146
5803 PR tree-optimization/24151
5805 * c-typeck.c (readonly_error): Handle USE being lv_asm.
5806 (build_asm_expr): Call it if outputs are read-only.
5807 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5809 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
5810 Paolo Bonzini <bonzini@gnu.org>
5814 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5815 enable the instructions and not just the built-ins.
5816 * doc/invoke.texi (x86 Options): Likewise.
5818 2005-10-04 Geoffrey Keating <geoffk@apple.com>
5820 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5822 * doc/invoke.texi (Option Summary): Correct spelling
5823 of -mmacosx-version-min.
5825 2005-10-04 Devang Patel <dpatel@apple.com>
5827 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5830 2005-10-04 Steve Ellcey <sje@cup.hp.com>
5832 * tree-vect-transform.c (vect_create_epilog_for_reduction):
5833 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5835 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
5837 * config/s390/s390.md ("TDSI","DP"): New mode macros.
5838 ("TE","tg"): New mode attributes.
5839 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5840 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5841 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5842 dword_mode and one for GPRmode.
5844 2005-10-04 Ian Lance Taylor <ian@airs.com>
5846 PR preprocessor/13726
5847 * c-ppoutput.c (cb_include): Add comments parameter, and print out
5848 any comments passed in.
5850 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5852 * tree.c (annotate_with_file_line): Fix typo.
5854 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5857 * builtins.c (fold_builtin_memcmp): When constructing the pointer
5858 type used to access data in the inlined length == 1 case, use
5859 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5860 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5862 2005-10-04 Uros Bizjak <uros@kss-loka.si>
5864 * config/i386/i386.h (TARGET_FISTTP): Enable also for
5865 TARGET_SSE3 and only for TARGET_80387.
5866 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5867 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5868 Do not depend on TARGET_80387.
5870 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5872 * tree.c (last_annotated_node): Change type to location_t*.
5873 (annotate_with_file_line): Reflect the change of
5874 last_annotated_node type.
5876 2005-10-04 Richard Guenther <rguenther@suse.de>
5879 * c-decl.c (grokdeclarator): Don't write to fields
5882 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5885 * c-decl.c (finish_decl): Use set_user_assembler_name even for
5887 * varasm.c (make_decl_rtl): If a register variable does not
5888 have a set user assmbler name, error out.
5889 Decode the asmspec is now name+1 bypassing '*'.
5891 2005-10-04 Steven Bosscher <stevenb@suse.de>
5893 PR tree-optimization/23049
5894 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5895 of a COND_EXPR is folded before calling fold on the whole rhs of a
5896 conditional assignment.
5897 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5898 document that a COND_EXPR may appear there.
5900 2005-10-03 Diego Novillo <dnovillo@redhat.com>
5903 * tree-vrp.c (extract_range_from_assert): If the new numeric
5904 range created out of the assertion contradicts the existing
5905 numeric range of the ASSERT_EXPR variable, make the new range
5908 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
5910 * config/sh/sh.c (sh_register_move_cost): Add case for moving
5911 from T_REGS to FP register class.
5913 2005-10-03 Richard Henderson <rth@redhat.com>
5916 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5917 before creating a new one.
5919 2005-10-03 David Edelsohn <edelsohn@gnu.org>
5921 * config/rs6000/t-aix43 (LDFLAGS): New.
5922 * config/rs6000/t-aix52 (LDFLAGS): New.
5924 2005-10-03 Ian Lance Taylor <ian@airs.com>
5926 * gimplify.c (find_single_pointer_decl_1): New static function.
5927 (find_single_pointer_decl): New static function.
5928 (internal_get_tmp_var): For a formal variable, set restrict base
5929 information if appropriate.
5930 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5932 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5933 (DECL_GET_RESTRICT_BASE): Define.
5934 (SET_DECL_RESTRICT_BASE): Define.
5935 (decl_restrict_base_lookup): Declare.
5936 (decl_restrict_base_insert): Declare.
5937 (struct tree_decl_with_vis): Add based_on_restrict_p field.
5938 * tree.c (restrict_base_for_decl): New static variable.
5939 (init_ttree): Initialize restrict_base_for_decl.
5940 (copy_node_stat): Copy restrict base information.
5941 (decl_restrict_base_lookup): New function.
5942 (decl_restrict_base_insert): New function.
5943 (print_restrict_base_statistics): New static function.
5944 (dump_tree_statistics): Call print_restrict_base_statistics.
5946 2005-10-02 Diego Novillo <dnovillo@redhat.com>
5949 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5950 case of anti-ranges.
5952 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
5955 * c-typeck.c (tagged_tu_seen): Rename to ...
5956 (tagged_tu_seen_cache): this and add val field.
5957 (comptypes): Move functional to comptypes_internal
5958 and free tagged_tu_seen.
5959 (comptypes_internal): New function and call comptypes_internal
5960 instead of comptypes. Speed up by sibcalling
5961 tagged_types_tu_compatible_p.
5962 (alloc_tagged_tu_seen): New function
5963 (free_all_tagged_tu_seen_up_to): New function.
5964 (tagged_types_tu_compatible_p): Return the val of the seen two
5966 Add that the two types are the same to tagged_tu_seen_base
5967 if they are and call comptypes_internal instead of comptypes.
5968 <case UNION_TYPE>: Speed up common type where the fields are
5970 (function_types_compatible_p): Call comptypes_internal instead of
5972 (type_lists_compatible_p): Likewise.
5973 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5975 2005-10-02 Matthias Klose <doko@debian.org>
5977 * doc/invoke.texi: Fix typo and speling error.
5979 2005-10-01 Richard Henderson <rth@redhat.com>
5981 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5983 2005-10-01 Mark Mitchell <mark@codesourcery.com>
5985 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5986 using --start-group and --end-group.
5988 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5990 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5991 FIXME note regarding quirky semantics.
5993 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5996 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5997 non-null range as a last resort.
5999 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
6000 Diego Novillo <dnovillo@redhat.com>
6003 * tree-vrp.c (extract_range_from_assert): For !=
6004 assertions, only build an anti-range if LIMIT is a
6005 single-valued range.
6007 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
6009 * arm.md (movqi): On thumb when optimizing, handle loading from
6010 memory by describing this as taking a subreg of a zero-extended load
6011 into an SImode register.
6014 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
6016 * reload1.c (merge_assigned_reloads): Do not change any
6017 RELOAD_FOR_OUTPUT_ADDRESS reloads.
6019 2005-09-30 Geoffrey Keating <geoffk@apple.com>
6021 * Makefile.in (LIPO_FOR_TARGET): Define.
6022 (STRIP_FOR_TARGET): Define.
6024 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
6025 before creating new ones. Do symlinks before creating the actual
6028 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
6029 to work out which multilibs are actually being built.
6031 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
6033 * tree-vect-transform.c, config/ms1/ms1.md,
6034 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
6035 Follow spelling conventions.
6036 * doc/invoke.texi, doc/md.texi: Fix typos.
6038 2005-09-30 Andrew Macleod <amacleod@redat.com>
6040 PR tree-optimization/21430
6041 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
6042 use operands, and set stmt pointer if need be.
6043 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
6044 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
6047 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6050 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
6052 2005-09-29 Mark Mitchell <mark@codesourcery.com>
6054 * optabs.c (expand_binop): Initialize first_pass_p.
6056 2005-09-29 Jakub Jelinek <jakub@redhat.com>
6059 * c-decl.c (c_write_global_declarations_1): If any
6060 wrapup_global_declaration_2 call returned true, restart the loop.
6062 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
6064 Fix PR tree-optimization/24117
6065 * tree-ssa-structalias.c (find_func_aliases): Strip nops
6066 before considering whether to use anyoffset.
6068 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
6072 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
6074 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6076 (swap_commutative_operands_with_target): New.
6078 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
6081 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
6084 2005-09-29 Steven Bosscher <stevenb@suse.de>
6086 PR tree-optimization/23911
6087 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
6088 and IMAGPART_EXPR too.
6090 2005-09-28 Mark Mitchell <mark@codesourcery.com>
6093 * expmed.c (expand_shift): Move logic to reverse rotation
6094 direction when rotating by constants ...
6095 * optabs.c (expand_binop): ... here.
6096 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
6097 (ix86_rotrdi3): New pattern.
6098 (rotldi3): Handle 32-bit mode.
6099 (ix86_rotldi3): New pattern.
6101 2005-09-29 Alan Modra <amodra@bigpond.net.au>
6104 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
6105 check for numbers that need no bit twiddle.
6107 2005-09-28 Geoffrey Keating <geoffk@apple.com>
6109 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
6110 multilib to be built.
6112 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
6113 (stage1-start): Delete old libgcc and libunwind before moving
6114 anything into the stage directory.
6115 (stage2-start): Likewise.
6116 (stage3-start): Likewise.
6117 (stage4-start): Likewise.
6118 (stageprofile-start): Likewise.
6119 (stagefeedback-start): Likewise.
6120 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
6121 header in tm_file and CPU-specific t-darwin in tmake_file.
6122 (i[34567]86-*-darwin*): Don't change tm_file.
6123 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
6124 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
6125 shared library stub for target OS version.
6126 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
6127 (SHLIB_LINK): Don't make SHLIB_SOLINK.
6128 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
6129 (libgcc_s.%.dylib): New.
6131 (install-darwin-libgcc-stubs): New.
6132 (INSTALL_LIBGCC): New append.
6133 * config/i386/darwin-libgcc.10.4.ver: New.
6134 * config/i386/darwin-libgcc.10.5.ver: New.
6135 * config/i386/t-darwin: New.
6136 * config/rs6000/darwin-libgcc.10.4.ver: New.
6137 * config/rs6000/darwin-libgcc.10.5.ver: New.
6138 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
6139 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
6141 2005-09-28 Paul Brook <paul@codesourcery.com>
6143 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
6146 2005-09-28 Richard Guenther <rguenther@suse.de>
6148 PR tree-optimization/23853
6149 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
6150 host_integerp to verify misalignment value.
6152 2005-09-28 Richard Henderson <rth@redhat.com>
6154 * builtins.c (get_builtin_sync_mode): New.
6155 (expand_builtin_sync_operation): Pass in mode argument.
6156 (expand_builtin_compare_and_swap): Likewise.
6157 (expand_builtin_lock_test_and_set): Likewise.
6158 (expand_builtin_lock_release): Likewise.
6159 (expand_builtin): Update to match.
6161 2005-09-28 Nick Clifton <nickc@redhat.com>
6163 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
6164 formatting. Add check to PLUS case to ensure that the offset is
6165 within an acceptable range.
6167 * config/v850/v850.md (casesi): Disable the generation of the
6168 switch pattern as it is not being handled properly at the moment.
6170 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
6171 for when the high words are identical.
6173 2005-09-27 Richard Henderson <rth@redhat.com>
6175 * pretty-print.c (pp_base_format): Fix typo for %>.
6177 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
6178 Devang Patel <dpatel@apple.com>
6180 PR tree-optimization/23625
6181 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
6182 LABEL_EXPR, assertion check.
6184 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
6186 * optabs.c (no_conflict_move_test): Check if a result of a
6187 to-be-moved insn would be clobbered by an originally
6190 2005-09-27 Jeff Law <law@redhat.com>
6192 * passes.c (init_optimization_passes): Replace copy propagation
6193 passes immediately after DOM with phi-only copy propagation
6194 pases. Add phi-only copy propagation pass after first DOM pass.
6195 * tree-pass.h (pass_phi_only_copy_prop): Declare.
6196 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
6197 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
6198 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
6199 to init_copy_prop. Callers updated.
6200 (do_phi_only_copy_prop): New function.
6201 (pass_phi_only_copy_prop): New pass descriptor.
6203 2005-09-27 Nick Clifton <nickc@redhat.com>
6205 * libgcc2.c (__popcount_tab): Remove redundant prototype.
6207 2005-09-26 Jason Merrill <jason@redhat.com>
6210 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
6212 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
6214 2005-09-26 James E Wilson <wilson@specifix.com>
6216 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
6217 copyright. Add gcc copyright plus libgcc exception.
6218 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
6220 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
6222 2005-09-26 Jeff Law <law@redhat.com>
6224 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
6225 about when to iterate.
6227 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
6230 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
6231 for __complex__ double in -mcpu=G5 mode.
6233 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
6235 PR tree-optimization/23942
6236 * Makefile.in (SCEV_H): Depends on PARAMS_H.
6237 * tree-scalar-evolution.c: Include params.h.
6239 (follow_ssa_edge, follow_ssa_edge_in_rhs,
6240 follow_ssa_edge_in_condition_phi_branch,
6241 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
6242 Change return type to t_bool. Use a parameter to limit the size of
6243 trees that are walked before stopping
6244 (analyze_evolution_in_loop): Initialize the limit to 0.
6245 (follow_ssa_edge): Give up by returning t_dont_know if the limit
6246 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
6248 2005-09-26 Uros Bizjak <uros@kss-loka.si>
6251 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
6252 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
6254 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
6256 * combine.c (make_extraction): Check for valid use of subreg.
6258 2005-09-26 Uros Bizjak <uros@kss-loka.si>
6261 * config/i386/i386.md ("*fistdi2_1"): New pattern.
6262 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
6263 ("fist<mode>2_with_temp"): Use only register operands.
6265 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
6267 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
6268 CALL_INSN_FUNCTION_USAGE.
6270 2005-09-26 Richard Guenther <rguenther@suse.de>
6273 * gcse.c: Include hashtab.h, define ldst entry hashtable.
6274 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
6275 (ldst_entry): Use the hashtable instead of list-walking.
6276 (find_rtx_in_ldst): Likewise.
6277 (free_ldst_entry): Free the hashtable.
6278 (compute_ld_motion_mems): Create the hashtable.
6279 (trim_ld_motion_mems): Remove entry from hashtable if
6280 removing it from list.
6281 (compute_store_table): Likewise^2.
6282 (store_motion): Free hashtable in case we did not see
6285 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
6287 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
6288 and arg1 if we are passing them to fold_build2.
6290 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
6293 * config/i386/i386.c (ix86_function_regparm): Fix the test for
6296 2005-09-25 Richard Henderson <rth@redhat.com>
6298 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
6299 SYMBOL_REF_TLS_MODEL to be correct.
6301 2005-09-24 Richard Henderson <rth@redhat.com>
6303 * ipa-type-escape.c (discover_unique_type): Remove dead code at
6304 end of function. Reindent.
6306 2005-09-24 Ian Lance Taylor <ian@airs.com>
6308 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
6309 NEGATE_EXPR/BIT_NOT_EXPR case.
6311 2005-09-24 Richard Henderson <rth@redhat.com>
6313 * c-common.c (handle_mode_attribute): When not modifying in place,
6314 create subtypes for enumerations.
6315 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
6316 * gimplify.c (create_tmp_from_val): Likewise.
6318 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
6320 * config/i386/i386.md (*tls_global_dynamic_64,
6321 *tls_local_dynamic_base_64): Add missing mode to call.
6322 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
6324 2005-09-24 Jan Hubicka <jh@suse.cz>
6326 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
6327 (cgraph_clone_node): Likewise.
6328 * cgraph.h (cgraph_clone_edge): Update prototype.
6329 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
6330 duplicated prototypes; add updating argument.
6331 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
6332 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
6334 (cgraph_mark_inline_edge): Likewise.
6335 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
6336 (cgraph_flatten_node): Likewise.
6337 (cgraph_decide_recursive_inlining): Likewise.
6338 (cgraph_decide_inlining_of_small_function): Likewise.
6339 * tree-optimize.c (tree_rest_of_compilation): Likewise.
6341 2005-09-23 David Edelsohn <edelsohn@gnu.org>
6342 Pete Steinmetz <steinmtz@us.ibm.com>
6344 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
6345 (rldic.): Set type to "compare".
6347 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
6348 mfjmpr for MFCTR/MFLR.
6349 (movdf_hardfloat64): Same.
6350 (movdf_softfloat64): Same. Correct order of store and move types.
6351 (movti_string): Set type to store_ux/load_ux.
6352 (load_multiple): Set type to load_ux.
6353 (store_multiple): Set type to store_ux.
6354 (movmemsi): Set type to store_ux.
6355 (output_cbranch direct_return): Set type to jmpreg.
6356 (stmw): Set type to store_ux.
6357 (lmw): Set type to load_ux.
6358 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
6359 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
6360 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
6361 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
6362 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
6363 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
6364 (rios1-fpstore): Increase latency to 3.
6365 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
6366 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
6368 2005-09-23 David Edelsohn <edelsohn@gnu.org>
6369 Andrew Pinski <pinskia@physics.uc.edu>
6371 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
6372 operand2 constraint to "b".
6373 (sync_<fetchop_name>di_internal): Same.
6374 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
6376 (sync_old_<fetchop_name>di_internal): Same.
6377 (sync_new_<fetchop_name>si_internal): Same.
6378 (sync_new_<fetchop_name>di_internal): Same.
6380 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
6383 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
6384 case, define as macros.
6386 PR rtl-optimization/23837
6387 * optabs.c (no_conflict_move_test): Don't set must_stay for a
6388 clobber / clobber match between dest and p->first.
6390 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
6391 (no_conflict_move_test): Update comments.
6393 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6395 * doc/install.texi: Update URL for Jacks.
6396 * doc/sourcebuild.texi: Likewise.
6398 2005-09-22 David Edelsohn <edelsohn@gnu.org>
6401 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
6402 registers when choosing register preferences.
6403 (movdf_hardfloat64): Same.
6405 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
6407 * expmed.c (expand_shift): Don't use the target of the rotate as
6408 target for the first expanded shift insn.
6409 * testsuite/gcc.dg/20050922-1.c: Testcase added.
6411 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
6413 PR tree-optimization/22438
6414 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
6415 preserved iv rhs rewriting specially.
6417 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
6419 * tree-data-ref.c (analyze_array_indexes): Only estimate when
6420 estimate_only is true.
6421 * tree-flow.h (ref_contains_indirect_ref): New prototype.
6422 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
6423 tree-ssa-structalias.c
6424 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
6425 ref_contains_indirect_ref.
6426 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
6428 2005-09-21 DJ Delorie <dj@redhat.com>
6430 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
6432 (mn10300_return_in_memory): Support variable size types also.
6433 (mn10300_pass_by_reference): Likewise.
6434 (mn10300_function_value): New.
6435 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
6436 (FUNCTION_OUTGOING_VALUE): Likewise.
6437 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
6438 * doc/invoke.texi: Document it.
6440 2005-09-21 Uros Bizjak <uros@kss-loka.si>
6443 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
6444 force integer op1 into register for XFmode compares.
6446 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6449 * expmed.c (alg_code): Add alg_impossible.
6450 (alg_hash_entry): Add cost.
6451 (synth_mult): Record alg_impossible in the hash table if
6452 multiplication by a given integer is impossble within the
6453 limit. Speed up using alg_impossible.
6455 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
6457 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
6458 argument. Allow and set any offset if needs_anyoffset is passed
6460 (get_constraint_for): Add argument here too.
6462 (do_structure_copy): Pass NULL to get_constraint_for.
6463 (handle_ptr_arith): Ditto.
6464 (find_func_aliases): Ditto.
6466 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
6468 PR rtl-optimization/23898
6469 * output.h (get_attr_min_length): Declare.
6470 * final.c (get_attr_length_1): New function, broken out of:
6472 (get_attr_min_length): New function.
6473 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
6474 (duplicate_computed_gotos): Likewise.
6475 * genattr.c (insn_min_length): Generate declaration.
6476 * genattrtab.c (min_fn, min_attr_value): New functions.
6477 (make_length_attrs): Generate insn_min_length.
6479 2005-09-20 Steve Ellcey <sje@cup.hp.com>
6481 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
6483 2005-09-20 Richard Henderson <rth@redhat.com>
6485 PR tree-optimization/24059
6486 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
6489 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
6491 * c.opt (fextended-identifiers): New.
6492 * c-opts.c (c_common_handle_option): Handle
6493 -fextended-identifiers.
6494 * doc/cpp.texi: Update documentation of extended identifiers.
6495 * doc/cppopts.texi (-fextended-identifiers): Document.
6497 2005-09-20 Jakub Jelinek <jakub@redhat.com>
6499 PR tree-optimization/23929
6500 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
6503 PR tree-optimization/23818
6504 * tree-stdarg.c (execute_optimize_stdarg): Call
6505 calculate_dominance_info.
6507 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
6509 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
6510 (analyze_siv_subscript_cst_affine): Add weak SIV test.
6511 (compute_overlap_steps_for_affine_1_2): Use
6512 get_number_of_iters_for_loop.
6513 (analyze_subscript_affine_affine): Check whether difference is
6515 Use get_number_of_iters_for_loop.
6516 Check whether overlap occurs outside of bounds.
6517 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
6519 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
6521 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
6522 base register if possible.
6524 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
6526 PR tree-optimization/18463
6527 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
6528 converting it directly is not possible.
6529 (chrec_convert_aggressive): New function.
6530 * tree-chrec.h (chrec_convert_aggressive): Declare.
6531 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
6532 Fold chrec conversions aggressively if asked to.
6533 (instantiate_parameters): Modified because of changes in
6534 instantiate_parameters_1.
6536 2005-09-19 Richard Henderson <rth@redhat.com>
6538 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
6539 (reduc_splus_v2df): New.
6541 2005-09-19 Richard Sandiford <richard@codesourcery.com>
6543 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
6544 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
6546 2005-09-19 Richard Henderson <rth@redhat.com>
6548 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
6551 2005-09-19 Richard Henderson <rth@redhat.com>
6553 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
6554 (ia64_expand_dot_prod_v8qi): New.
6555 * config/ia64/ia64-protos.h: Update.
6556 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
6557 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
6558 sdot_prodv8qi, sdot_prodv4hi): New.
6559 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
6561 2005-09-19 Richard Henderson <rth@redhat.com>
6564 * real.c (exact_real_truncate): Return false if the format cannot
6565 represent the number as a normal.
6567 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6568 for a memory source.
6570 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
6572 * tree-ssa-operands.c (swap_tree_operands): Export.
6573 * tree.h (swap_tree_operands): Declare.
6574 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6575 Call swap_tree_operands.
6577 2005-09-19 Richard Henderson <rth@redhat.com>
6579 * tree-flow.h (merge_alias_info): Declare.
6580 * tree-ssa-copy.c (merge_alias_info): Export.
6581 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6582 (vect_create_data_ref_ptr): Use create_iv directly.
6583 (vectorizable_load): Use correct types for integer constants.
6584 (vect_generate_tmps_on_preheader): Likewise.
6585 (vect_gen_niters_for_prolog_loop): Likewise.
6587 2005-09-19 Steven Bosscher <stevenb@suse.de>
6589 PR rtl-optimization/23943
6590 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6592 2005-09-18 Jan Hubicka <jh@suse.cz>
6594 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6596 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
6598 * varasm.c (output_constant): Do not abort on conversions to union
6599 types between different sizes.
6601 2005-09-18 Richard Guenther <rguenther@suse.de>
6604 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6607 2005-09-18 Paul Brook <paul@codesourcery.com>
6609 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6611 2005-09-17 Richard Henderson <rth@redhat.com>
6613 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6614 * tree-ssa-loop.c (pass_vect_dce): Remove.
6615 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6618 2005-09-17 Richard Henderson <rth@redhat.com>
6620 * tree-pass.h (pass_vect_dce): Declare.
6621 * passes.c (init_optimization_passes): Add it.
6622 * tree-flow.h (tree_ssa_dce): Declare.
6623 * tree-ssa-dce.c (tree_ssa_dce): Export.
6624 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6625 (gate_tree_vectorize): ... here.
6626 (pass_vect_dce): New.
6628 2005-09-17 Jan Hubicka <jh@suse.cz>
6630 * except.c (struct eh_status): Turn region_array into vec.
6631 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6632 convert_from_eh_region_ranges, find_exception_handler_labels,
6633 current_function_has_exception_handlers, assign_filter_values,
6634 build_post_landing_pads, dw2_build_landing_pads,
6635 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6636 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6637 foreach_reachable_handler, can_throw_internal_1,
6638 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6640 (duplicate_eh_region_1): Update region_array.
6641 (duplicate_eh_regions): Resize region_array and avoid recomputing.
6643 2005-09-17 David Edelsohn <edelsohn@gnu.org>
6646 * expmed.c (expand_mult): Substitute simple register for op0 when
6649 2005-09-17 Richard Henderson <rth@redhat.com>
6651 * expr.c (emit_move_via_integer): Add force argument, pass it on
6652 to emit_move_change_mode. Update callers.
6653 (emit_move_complex): Pass true to new force argument.
6654 * function.c (expand_function_end): Move expand_eh_return call
6655 earlier. Merge sub-word complex values into a pseudo before
6656 copying to the return hard register.
6658 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
6660 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6661 between different sizes.
6663 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
6667 * passes.c (init_optimization_passes): Register dump files for
6670 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
6672 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6673 * config/s390/s390.c (s390_overlap_p): New function.
6674 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6675 peephole2, "*xc" peephole2): Added overlap check to the peephole2
6678 2005-09-16 Richard Guenther <rguenther@suse.de>
6680 * ipa-pure-const.c (static_execute): Free auxiliar information.
6681 * ipa-type-escape.c (discover_unique_type): Free temporary key.
6682 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6684 2005-09-15 DJ Delorie <dj@redhat.com>
6686 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6688 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
6690 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6692 (swap_commutative_operands_with_target): New.
6694 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
6696 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6699 (estimate_iters_using_array): New function.
6700 * tree-data-ref.h (estimate_iters_using_array): Prototype
6701 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6702 Use estimate_iters_using_array instead of analyze_array.
6704 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
6706 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6709 2005-09-15 Michael Matz <matz@suse.de>
6711 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6713 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
6715 PR tree-optimization/23835
6716 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6717 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6719 2005-09-14 Richard Henderson <rth@redhat.com>
6721 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6722 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6724 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
6726 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6727 in the ARRAY_TYPE case.
6729 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
6731 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6733 2005-09-14 Uros Bizjak <uros@kss-loka.si>
6736 * tree-vect-transform.c (vectorizable_operation): Return false for
6737 scalar shift operations and for vector shift operations with
6738 non-invariant shift arguments. Use scalar tree operand op1 as
6739 a shift operand when vector shift insn pattern uses scalar shift
6741 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6743 2005-09-14 Olivier Hainque <hainque@adacore.com>
6745 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6746 value if it has side-effects.
6748 2005-09-14 David Edelsohn <edelsohn@gnu.org>
6751 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6753 2005-09-14 Alan Modra <amodra@bigpond.net.au>
6755 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6756 passed as NAME as if it were label at start of function code.
6758 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
6760 * config/sh/sh.md (*movv4sf_i): Add general register cases to
6763 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6765 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6766 as early clobber. Rewrite so the PIC register is not implicitly used.
6768 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6770 * tree.c (annotate_with_file_line): Compare line numbers before
6773 2005-09-13 Uros Bizjak <uros@kss-loka.si>
6776 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6777 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6779 2005-09-13 Ian Lance Taylor <ian@airs.com>
6781 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6782 than a HOST_WIDEST_INT to gen_doloop_begin.
6784 2005-09-13 Diego Novillo <dnovillo@redhat.com>
6786 * tree-dfa.c (dump_variable): Guard against NULL annotations.
6788 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
6790 PR tree-optimize/23817
6791 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6793 2005-09-13 Alan Modra <amodra@bigpond.net.au>
6796 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6797 word before changing the stack pointer. Use gen_frame_mem for MEMs.
6798 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6799 (restore_stack_nonlocal): Likewise.
6800 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6802 2005-09-12 Ian Lance Taylor <ian@airs.com>
6805 * c.opt (ffriend-injection): New C++ option.
6806 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6807 (C++ Dialect Options): Document -ffriend-injection.
6809 2005-09-12 Josh Conner <jconner@apple.com>
6812 * ipa-reference.c (static_execute): Don't mark variables in
6813 named sections TREE_READONLY.
6815 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6817 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6820 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6822 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6823 V_MUST_DEF instead of just the first_use_p.
6824 Don't mark the virtual variables for renaming on the statement which
6826 (pass_dse): Remove TODO_update_ssa.
6828 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
6831 * stor-layout.c (compute_record_mode): For records with a single
6832 field, actually check the field's mode size against the type size.
6834 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6835 registers for TARGET_SHMEDIA.
6836 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6837 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
6838 of GENERAL_REGS and FP_REGS.
6840 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
6842 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6844 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6846 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6847 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6848 are omitted. Exclude stack_tie insn too.
6850 2005-09-11 David Edelsohn <edelsohn@gnu.org>
6852 PR rtl-optimization/23098
6853 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6855 * config/rs6000/rs6000.md (movdf splitter): Use
6856 const_double_operand predicate for TARGET_POWERPC64.
6857 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6858 SYMBOL_REF method to ABI_V4.
6860 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6861 replace_equiv_address.
6862 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6863 rs6000_sr_alias_set and MEM_NOTRAP.
6864 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6866 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
6868 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6869 handle CALL_EXPR again.
6871 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
6873 * arm/predicates.md (alignable_memory_operand): Delete.
6875 2005-09-10 Richard Henderson <rth@redhat.com>
6878 * dbxout.c (dbxout_expand_expr): New.
6879 (dbxout_symbol): Use it.
6881 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
6883 * arm.c (arm_gen_rotated_half_load): Delete.
6884 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6885 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6886 (thumb_set_return_address): Likewise.
6887 (thumb_load_double_from_address): Use adjust_address.
6888 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6889 (extendhsisi2_mem, movhi_bytes): Use change_address.
6890 (movhi): Use widen_memory_access.
6891 (reload_out_df): Use replace_equiv_address.
6892 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6894 2005-09-09 Richard Henderson <rth@redhat.com>
6897 * dbxout.c: Include expr.h.
6898 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6899 (dbxout_symbol): Handle DECL_VALUE_EXPR.
6900 * Makefile.in (dbxout.o): Add EXPR_H.
6902 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
6904 PR tree-optimization/23509
6905 * tree-cfg.c (replace_uses_by): Use replace_exp.
6906 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6907 pointers have name_mem_tag or type_mem_tag set.
6909 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6911 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6912 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6913 of wrongly accessing operands.
6915 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6917 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6918 * tree-chrec.c: Include tree-scalar-evolution.h.
6919 (chrec_convert): Instantiate the base and step before calling
6920 scev_probably_wraps_p that would fail on parametric evolutions.
6921 Collect all the fails into a single section failed_to_convert,
6922 print a diagnostic, and return chrec_dont_know instead of calling
6924 * tree-scalar-evolution.c (loop_closed_phi_def): New.
6925 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6927 (scev_const_prop): Don't replace the definition of a loop closed ssa
6928 phi node by itself, or by another loop closed ssa phi node.
6929 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6930 that base and step are defined.
6932 2005-09-09 Richard Guenther <rguenther@suse.de>
6935 * fold-const.c (fold_ternary): Check truth_value_p before
6936 calling invert_truthvalue.
6938 2005-09-09 Nick Clifton <nickc@redhat.com>
6940 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6941 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6942 dimension of these arrays.
6943 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6945 * longlong.h: Only provide a prototype for the __clz_tab[] array
6946 if this header has not been included from libgcc2.h.
6947 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6949 Provide prototypes for exported functions.
6950 Use the __clz_tab[] and __popcount_tab[] arrays provided by
6953 2005-09-08 Josh Conner <jconner@apple.com>
6957 * expr.c (expand_expr_addr_expr_1): Don't invoke
6958 expand_simple_binop for EXPAND_INITIALIZER.
6960 2005-09-08 Richard Henderson <rth@redhat.com>
6963 * toplev.c (wrapup_global_declaration_1): Split out ...
6964 (wrapup_global_declaration_2): ... from ...
6965 (wrapup_global_declarations): ... here. Return bool.
6966 (check_global_declaration_1): Split out ...
6967 (check_global_declarations): from here.
6968 (emit_debug_global_declarations): New.
6969 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6970 check_global_declaration_1, emit_debug_global_declarations): Declare.
6971 * c-decl.c (c_write_global_declarations_1): Don't create a vector
6972 of decls. Call wrapup_global_declaration_1,
6973 wrapup_global_declaration_2, check_global_declaration_1 directly.
6974 (c_write_global_declarations_2): New.
6976 (c_write_global_declarations): Call c_write_global_declarations_2.
6977 * langhooks.c (write_global_declarations): Call
6978 emit_debug_global_declarations.
6980 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6981 remove decls that have DECL_RTL_SET_P.
6982 * passes.c (rest_of_decl_compilation): Invoke
6983 cgraph_varpool_finalize_decl for all but functions.
6985 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
6987 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6988 the result of a conversion if the new min and max cannot be compared.
6990 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
6992 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6993 (override_options): Setting s390_sr_alias_set removed.
6994 (save_fpr, save_gprs): Set alias set to vararg or frame.
6995 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6996 s390_sr_alias_set with get_frame_alias_set ().
6997 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6998 get_varargs_alias_set ().
7000 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
7004 * c-parser.c (c_parser_objc_method_definition): If the next
7005 token is not "{", error out and don't start the function.
7007 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
7009 * tree-vrp.c (extract_range_from_expr): Move the check for non
7010 nullness after the check for gimple invariant.
7012 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7014 * tree.c (host_integerp, tree_low_cst): Correct function comment.
7016 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7019 * config/m32r.md (movmemsi_internal): Canonicalize order of
7020 operands in PLUS component of template.
7022 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
7024 * reload1.c (fixup_eh_region_note): Remove assertion.
7025 (fixup_abnormal_edges): Reverted removal of call to
7026 find_many_sub_basic_blocks made on 2005-08-31.
7028 2005-09-07 Richard Henderson <rth@redhat.com>
7030 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
7031 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
7032 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
7033 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
7034 rearrange for better packing.
7035 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
7036 (lookup_cfa_1): Remove inline marker.
7037 (cfa_equal_p): Split out of ...
7038 (def_cfa_1): ... here. Use INVALID_REGNUM.
7039 (build_cfa_loc): Handle !cfa->indirect.
7040 (frame_pointer_cfa_offset): New.
7041 (dbx_reg_number): Assert register elimination performed; do
7042 leaf register remapping.
7043 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
7044 (eliminate_reg_to_offset): New.
7045 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
7046 for verifiably local stack frame addresses; re-base to CFA.
7047 (mem_loc_descriptor): Remove can_use_fbreg argument.
7048 (concat_loc_descriptor, loc_descriptor): Likewise.
7049 (containing_function_has_frame_base): Remove.
7050 (rtl_for_decl_location): Don't do register elimination or
7051 leaf register remapping here.
7052 (secname_for_decl): Split out from ..
7053 (add_location_or_const_value_attribute): ... here.
7054 (convert_cfa_to_loc_list): New.
7055 (compute_frame_pointer_to_cfa_displacement): New.
7056 (gen_subprogram_die): Use them.
7057 * tree.h (frame_base_decl): Remove.
7058 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
7059 (prologue_stack_adjust): Remove.
7060 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
7061 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
7062 (set_frame_base_location): Remove.
7063 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
7064 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
7065 (vt_add_function_parameters): Don't eliminate_regs.
7066 (vt_initialize): Don't create frame_base_decl.
7068 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7070 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
7071 version of GNU binutils for 4.x and later.
7073 2005-09-06 Mark Mitchell <mark@codesourcery.com>
7075 * ggc-page.c (ggc_push_context): Remove.
7076 (ggc_pop_context): Likewise.
7077 * ggc.h (ggc_push_context): Remove.
7078 (ggc_pop_context): Likewise.
7080 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
7083 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
7084 returning from an interrupt handler.
7086 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
7089 * config/arc/arc.c (output_shift): Add check for loop count when
7092 2005-09-06 Steven Bosscher <stevenb@suse.de>
7094 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
7096 (abs_replacement): Likewise.
7097 (pass_phiopt): Remove TODO_update_ssa.
7099 2005-09-06 Jakub Jelinek <jakub@redhat.com>
7102 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
7103 if "return with no value, in function returning non-void" warning
7105 * tree-cfg.c (execute_warn_function_return): Don't look at
7106 RETURN_EXPRs with TREE_NO_WARNING set.
7109 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
7110 for internal functions doesn't use registers used by global registers
7111 variables. Use fewer register parameters if there are global register
7114 2005-09-06 Olivier Hainque <hainque@adacore.com>
7115 Eric Botcazou <ebotcazou@adacore.com>
7118 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
7119 when we would be extracting outside its bit span (bitpos+bitsize
7120 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
7121 Ada unchecked conversions.
7123 2005-09-06 Steven Bosscher <stevenb@suse.de>
7125 * tree-ssa-pre.c (try_look_through_load): New function.
7126 (compute_avail): Use it to try to look through loads for some
7127 more useful expressions.
7129 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
7131 * simplify-rtx.c (simplify_binary_operation_1): Correct the
7132 condition for detecting cases like (a&a) and (a^a).
7134 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
7136 * common.opt: Add option ftree-vect-loop-version.
7137 * params.def: Add --param vect-max-version-checks.
7138 * doc/invoke.texi: Document ftree-vect-loop-version and
7139 --param vect-max-version-checks.
7140 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
7141 may_misalign_stmts and defines for accessors.
7142 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
7143 LOOP_VINFO_MAY_MISALIGN_STMTS.
7144 (destroy_loop_vec_info): VEC_free for
7145 LOOP_VINFO_MAY_MISALIGN_STMTS.
7146 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7147 Update documentation.
7148 (vect_update_misalignment_for_peel): New.
7149 (vect_enhance_data_refs_alignment): Update to choose loop
7150 peeling or loop versioning if appropriate for the (potentially)
7151 unaligned data references in the loop.
7152 (vect_analyze_data_refs_alignment): Remove call to
7153 vect_enhance_data_refs_alignment so the checks can be done
7155 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
7156 and move up call to vect_analyze_data_refs_alignment.
7157 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
7158 (vect_transform_loop): Add call to loop_version.
7160 2005-09-06 Jakub Jelinek <jakub@redhat.com>
7162 PR rtl-optimization/23098
7163 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
7164 * simplify-rtx.c (constant_pool_reference_p): New function.
7165 * rtl.h (constant_pool_reference_p): New prototype.
7166 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
7167 constant_pool_reference_p in condition and
7168 avoid_constant_pool_reference in preparation statements.
7170 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
7172 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
7173 STRICT_LOW_PART SETs.
7175 2005-09-06 Alan Modra <amodra@bigpond.net.au>
7178 * except.c (sjlj_emit_function_enter): Find the function begin
7179 note even when it's not in first basic block.
7181 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
7183 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
7184 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
7185 * aclocal.m4: Regenerate.
7187 2005-09-05 DJ Delorie <dj@redhat.com>
7189 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
7192 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
7194 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
7195 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
7196 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
7197 Follow spelling conventions.
7198 * doc/invoke.texi: Follow spelling conventions.
7200 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
7202 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
7203 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
7204 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
7206 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
7209 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
7210 (output_stack_adjust): Use gen_tmp_stack_mem.
7211 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
7212 (sh_set_return_address, sh_allocate_initial_value): Likewise.
7213 (sh_get_pr_initial_val): Likewise.
7214 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
7215 (sh_initialize_trampoline): Likewise. Also use adjust_address.
7216 * sh.md (divsi_inv_m0): Use gen_const_mem.
7217 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
7218 (movdf_i4+1): Use gen_tmp_stack_mem.
7219 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
7220 (fpu_switch+2): Likewise.
7221 (movv4sf_i, movv16sf_i): Use adjust_address.
7222 (symGOT_load): Set MEM_NOTRAP_P bit.
7224 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7227 * pa.c (emit_move_sequence): Fix typo in last change.
7229 2005-09-03 Jakub Jelinek <jakub@redhat.com>
7231 PR rtl-optimization/23454
7232 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
7235 2005-09-03 Richard Henderson <rth@redhat.com>
7236 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7239 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
7242 2005-09-02 Nicolas Pitre <nico@cam.org>
7244 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
7245 to bit_count to 32 bits.
7247 2005-08-31 Mark Mitchell <mark@codesourcery.com>
7250 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
7251 generating synthetic loads from volatile lvalues.
7253 005-09-02 Nick Clifton <nickc@redhat.com>
7255 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
7256 __ctzhi2, __clzhi2): New functions.
7258 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
7261 * tree-nested.c (struct var_map_elt): Mark with GTY.
7262 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
7264 (lookup_field_for_decl): Allocate new element in GC memory.
7265 (lookup_tramp_for_decl): Likewise.
7266 (convert_nl_goto_reference): Likewise
7267 (create_nesting_tree): Allocate info in GC memory. Likewise for
7269 (free_nesting_tree): Free with ggc_free instead of free.
7270 (root): New static variable.
7271 (lower_nested_functions): Remove root as local variable. And zero out
7272 root at the end of the function.
7274 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
7276 PR rtl-optimization/20365
7277 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
7278 to short. New member ix.
7279 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
7280 (simplify_plus_minus): Initialize ix members before calling qsort.
7282 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
7284 PR tree-optimization/23626
7285 * tree-cfg.c (replace_uses_by): Clean up eh info.
7287 2005-09-01 DJ Delorie <dj@redhat.com>
7289 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
7292 2005-09-01 David Edelsohn <edelsohn@gnu.org>
7294 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
7295 (rs6000_split_multireg_move): Use replace_equiv_address instead of
7298 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
7300 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
7301 do not issue warning for a variable definition following
7304 2005-09-01 Richard Henderson <rth@redhat.com>
7307 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
7308 conversion to CONST_VECTOR.
7310 2005-09-01 Richard Henderson <rth@redhat.com>
7313 * reload1.c (reload_as_needed): Check !CALL_P before calling
7314 fixup_eh_region_note.
7315 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
7317 2005-09-01 DJ Delorie <dj@redhat.com>
7319 * varasm.c (output_constant): Let the target resolve
7320 conversions of addresses to non-default pointer sizes.
7322 2005-09-01 Nicolas Pitre <nico@cam.org>
7324 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
7325 to alow matching ARM pre-indexed addressing mode.
7326 (arm_override_options): Remove now irrelevant comment.
7328 2005-09-01 Phil Edwards <phil@codesourcery.com>
7330 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
7331 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
7332 * config/i386/vxworks.h: Likewise.
7333 * config/i386/t-vxworksae: New file, for VxWorks AE.
7334 * config/i386/vxworksae.h: Likewise.
7336 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
7338 PR tree-optimization/23410
7339 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
7340 sequence is not wrapping during the first step.
7342 2005-09-01 Jakub Jelinek <jakub@redhat.com>
7345 * dwarf2out.c (base_type_die): Compare char_type_node with
7346 TYPE_MAIN_VARIANT (type), not type.
7348 2005-09-01 Richard Guenther <rguenther@suse.de>
7350 PR tree-optimization/15366
7351 * common.opt: Add -finline-functions-called-once.
7352 Put -fearly-inlining in alphabetically ordered place.
7353 * doc/invoke.texi: Document new option.
7354 * ipa-inline.c (cgraph_decide_inlining): Honour
7355 flag_inline_functions_called_once.
7357 2005-09-01 Jakub Jelinek <jakub@redhat.com>
7359 PR rtl-optimization/23478
7360 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
7361 (alloc_qty): Initialize it.
7362 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
7363 (combine_regs): Combine also n_throwing_calls_crossed fields.
7364 (find_free_reg): Don't attempt to caller-save pseudos crossing
7365 calls that might throw.
7366 * global.c (struct allocno): Add throwing_calls_crossed field.
7367 (global_alloc): Revert 2005-08-22 change. Initialize
7368 throwing_calls_crossed.
7369 (find_reg): Don't attempt to caller-save pseudos crossing calls that
7372 2005-09-01 Alan Modra <amodra@bigpond.net.au>
7375 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
7376 (mask64_operand): Reinstate code prior to 2005-06-11 change.
7377 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
7378 (and64_2_operand): Tweak to use predicate.
7379 (and_operand): Adjust for mask_operand changes.
7380 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
7381 (print_operand): Likewise.
7382 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
7383 (mask64_1or2_operand): Delete.
7384 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
7385 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
7386 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
7387 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
7388 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
7389 (rotldi3_internal4): Likewise.
7390 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
7391 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
7392 (ashldi3_internal7): Likewise.
7393 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
7394 (ashldi3_internal, ashldi3_internal9 split): Likewise.
7395 (anddi3 split): Don't match mask64_operand.
7396 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
7397 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
7398 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
7399 't' splitter predicate.
7400 (movdi_internal64 + 2): Revert 2005-06-11 change.
7402 2005-08-31 DJ Delorie <dj@redhat.com>
7404 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
7405 (m32c_asm_integer): Add support for 32 bit pointers.
7407 2005-08-31 Richard Henderson <rth@redhat.com>
7409 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
7410 component-like references for setting MEM_NOTRAP_P.
7412 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
7413 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
7415 2005-08-31 Richard Henderson <rth@redhat.com>
7417 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
7418 into a pseudo before applying gen_lowpart.
7420 2005-08-31 Geoffrey Keating <geoffk@apple.com>
7422 * doc/install.texi (Specific): Update cctools version required
7423 for full functionality.
7424 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
7425 linkers as -macosx_version_min.
7427 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
7430 * sh.c (print_operand, %R and %S): Add handling of floating point
7431 registers, memory, constants and invalid operands.
7433 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
7435 * ipa-pure-const.c: Change dump name.
7437 2005-08-31 Uros Bizjak <uros@kss-loka.si>
7440 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
7441 to "reg_or_0_operand".
7442 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
7444 2005-08-31 Dale Johannesen <dalej@apple.com>
7446 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
7447 loops that count down.
7449 2005-08-31 Richard Henderson <rth@redhat.com>
7452 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
7453 (fixup_eh_region_note): New.
7454 (reload_as_needed): Call it.
7455 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
7456 don't call find_many_sub_basic_blocks; call verify_flow_info.
7457 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
7458 (keep_stack_depressed): Likewise.
7459 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
7461 2005-08-31 Richard Henderson <rth@redhat.com>
7463 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
7466 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
7468 * expr.c (expand_expr_real_1): Compare size of address
7469 mode to target's address mode size in deciding expansion of
7470 the constant address.
7472 2005-08-31 Richard Guenther <rguenther@suse.de>
7475 * expr.c (all_zeros_p): New function.
7476 (expand_expr_real_1): Handle the case of an all-zero
7477 non-addressable constructor separately.
7479 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
7481 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
7482 arguments, adjust all callers.
7483 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
7485 2005-08-30 Richard Henderson <rth@redhat.com>
7488 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
7489 whenever the mode sizes match.
7491 2005-08-31 Alan Modra <amodra@bigpond.net.au>
7493 * calls.c (load_register_parameters): Fix comment typo.
7494 * expr.c (emit_push_insn): Comment formatting.
7496 2005-08-30 Ian Lance Taylor <ian@airs.com>
7498 * config/i386/x-cygwin (host-cygwin): Change dependency from
7499 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
7501 2005-08-29 Geoffrey Keating <geoffk@apple.com>
7503 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
7506 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7509 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
7510 call to ggc_collect.
7512 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
7515 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
7516 beginning. Remove $(INCLUDES) from all the rules, if following
7517 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
7519 2005-08-29 Jakub Jelinek <jakub@redhat.com>
7522 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
7523 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
7524 not constant, but maxlen is, don't set len to maxlen, rather
7525 set maxlen to len if len is a constant.
7527 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
7529 PR tree-optimization/23475
7530 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
7533 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
7535 Fix PR middle-end/22455
7537 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
7538 Checksum only the parts of the tree that exist for the tree code.
7540 2005-08-28 Dale Johannesen <dalej@apple.com>
7542 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
7544 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
7546 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
7548 2005-08-28 Richard Henderson <rth@redhat.com>
7550 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
7551 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
7554 2005-08-28 Jakub Jelinek <jakub@redhat.com>
7557 * builtins.c (get_memory_rtx): Don't strip nops
7558 in between COMPONENT_REFs.
7560 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
7563 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
7565 (gimplify_modify_expr): Check for zero sized types and gimplify the
7566 rhs and lhs as statements.
7568 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
7571 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7572 state for return address column of signal frames.
7574 2005-08-27 David Edelsohn <edelsohn@gnu.org>
7577 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7578 bytes >= 2 not bytes == 2.
7579 (expand_block_move): Same.
7581 2005-08-27 Richard Guenther <rguenther@suse.de>
7584 * config/i386/sse.md (sse2_movsd): Add missing closing
7587 2005-08-27 Paul Brook <paul@codesourcery.com>
7589 * genrecog.c (enum decision_type): Add DT_num_insns.
7590 (struct decision_test): Add u.num_insns.
7591 (add_to_sequence): Add DT_num_insns test.
7592 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7593 (write_cond, debug_decision_2): Ditto.
7594 (change_state): Assume peep2_next_insn never fails.
7595 Remove "afterward" argument.
7596 (write afterward, write_tree): Update to match.
7597 * recog.c (peep2_current_count): New variable.
7598 (peep2_next_insn): Check it.
7599 (peephole2_optimize): Set peep2_current_count.
7600 * recog.h (peep2_current_count): Declare.
7602 2005-08-26 Josh Conner <jconner@apple.com>
7605 * ipa-pure-const.c (check_tree): Check for volatile-ness
7606 when considering a dereference.
7608 2005-08-27 Jakub Jelinek <jakub@redhat.com>
7610 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7612 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7614 PR rtl-optimization/23561
7615 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
7616 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7617 at most LEN bytes long memory fits into the field.
7618 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7619 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7620 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7622 2005-08-26 Richard Henderson <rth@redhat.com>
7625 * loop.c (biased_biv_may_wrap_p): New.
7626 (maybe_eliminate_biv_1): Use it to suppress non-equality
7627 comparison transformations. Delete disabled code.
7629 2005-08-26 Ian Lance Taylor <ian@airs.com>
7631 * combine.c (make_extraction): Avoid reference outside object.
7633 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
7635 * stor-layout.c (finalize_type_size): Restore behaviour for
7636 non-aggregate types to the status quo ante of the patch for
7637 pr 23467. Document why it matters.
7639 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7642 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7643 array by one element, initialize the BT_LAST element with NULL.
7645 2005-08-26 David Edelsohn <edelsohn@gnu.org>
7647 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7648 optimizing for size.
7650 (compare_plus_eqsi): Same.
7651 (plus_eqsi_compare): Same.
7652 (neg_eq0<mode>): Same.
7653 (neg_eq<mode>): Same.
7655 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7658 2005-08-26 Nick Clifton <nickc@redhat.com>
7660 * config/v850/v850.c (ep_memory_operand): Return FALSE if
7661 TARGET_EP is not defined.
7662 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7663 TARGET_EP is enabled.
7664 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7665 * config/v850/v850.md (save_all_interrupt): Only use the EP
7666 register if TARGET_EP is defined.
7667 (restore_all_interrupt): Likewise.
7668 * config/v850/lib1funcs.asm: Update functions so that the EP
7669 register is only used if __EP__ is defined.
7671 2005-08-26 David Ung <davidu@mips.com>
7673 * config/mips/mips.c (mips_expand_prologue): Handle case when
7674 generating for MIPS16 and the outgoing argument area is more than
7675 SMALL_OPERAND. Use the frame pointer as temporary to generate the
7678 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
7680 * config/crx/crx.md: Make doloop_end pattern usage controllable
7681 via mloop-nesting=<max-nesting> command line switch. Make sure
7682 the combiner cannot use doloop_end_<mode> in an illegal way.
7683 * config/crx/crx.c: Use regs up to r6 for argument passing.
7684 Refine crx_address_cost (non cst4 displacements are expensive).
7685 * config/crx/crx.opt: Add switch for mloop-nesting=.
7687 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
7689 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7690 (UNSPEC_MVST): New constant.
7692 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
7694 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7695 Reject operands containing eliminable registers.
7696 * testsuite/gcc.dg/20050825-1.c: New testcase.
7698 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7699 Jan Hubicka <jh@suse.cz>
7701 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7703 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7705 PR tree-optimization/23546
7706 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7709 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
7711 * params.def (PARAM_MIN_SPEC_PROB): New.
7712 * sched-rgn.c (MIN_PROBABILITY): Delete.
7713 (compute_trg_info): Convert to PARAM_VALUE.
7714 * doc/invoke.texi (param): Document min-spec-prob.
7716 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
7718 * config/darwin.h: define __PIC__
7719 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7720 TARGET_OS_CPP_BUILTINS macro.
7722 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7724 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7727 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7729 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7731 * cfghooks.c (duplicate_block): Added position where to place
7732 new block as argument.
7733 * cfghooks.h (duplicate_block): Declaration changed.
7734 * cfglayout.c (copy_bbs): Add argument after. Pass it to
7736 * cfglayout.h (copy_bbs): Declaration changed.
7737 * cfgloop.h (loop_version): Declaration changed.
7738 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7739 position to copy_bbs.
7740 (loop_version): Pass position to duplicate_loop_to_header_edge.
7741 Add place_after argument and position new blocks according to
7743 * modulo-sched.c (sms_schedule): Pass place_after argument
7745 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7746 * tree-cfg.c (split_edge_bb_loc): New function.
7747 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7748 to determine position of new blocks.
7749 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7751 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7752 argument to duplicate_block.
7753 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7754 Pass position to copy_bbs.
7756 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7758 * fold-const.c (ptr_difference_const): Use
7759 cst_and_fits_in_hwi instead of host_integerp.
7761 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7763 * config/darwin.c (gen_pic_offset): New.
7764 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
7767 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
7769 PR tree-optimization/23486
7770 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7772 2005-08-23 Phil Edwards <phil@codesourcery.com>
7774 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
7775 remove use_collect2.
7776 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
7778 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
7779 configuration files to override the default value.
7781 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
7782 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7783 * config/vx-common.h: New file, split out from...
7784 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
7785 * config/vxworksae.h: New file, for VxWorks AE.
7786 * config/vxworks.opt: New file.
7787 * config/vxlib.c: Update for VxWorks 6.
7789 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
7790 other MULTILIB_* variables appropriately.
7791 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
7792 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
7793 * config/rs6000/vxworks.h: Update for VxWorks 6.
7794 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
7796 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
7799 * config/darwin.c (machopic_select_section): Remove the hack to
7800 mark "::operator new" and "::operator delete" for coalescing
7801 even though they are not weak.
7803 2005-08-24 Alan Modra <amodra@bigpond.net.au>
7805 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7806 * configure: Regenerate.
7808 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7811 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7813 * convert.c (convert_to_integer, convert_to_vector): Likewise.
7814 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7817 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7819 * config/rs6000/predicates.md (equality_operator): New.
7820 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7821 comparison with a large constant.
7823 2005-08-23 Mark Mitchell <mark@codesourcery.com>
7825 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7827 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
7829 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7830 registers is even, and we have a hardware double precision fp,
7832 (sh_gimplify_va_arg_expr): For floating point arguments, consider
7833 size of current argument when checking if argument was passed in
7836 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7839 * stor-layout.c (finalize_type_size): Dont override
7840 existing alignment with a smaller alignment from the mode.
7842 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7844 * lambda-code.c (lambda_vector_lexico_pos): Moved...
7845 * lambda.h (lambda_vector_lexico_pos): ... here.
7846 * tree-data-ref.c (build_classic_dist_vector): Return false when
7847 the distance vector is lexicographically negative.
7849 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7851 PR tree-optimization/23511
7852 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7853 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7855 2005-08-23 Jakub Jelinek <jakub@redhat.com>
7857 PR tree-optimization/22043
7858 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7859 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7860 If ALLOW_FLEXARR, handle types ending with flexible array member.
7861 Pass false as second argument to recursive count_type_elements calls.
7862 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7863 argument to count_type_elements call.
7864 * tree-sra.c (decide_block_copy): Likewise.
7865 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7866 for a constant-sized object, set cleared as well. Pass true as
7867 second argument to count_type_elements call.
7869 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7872 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7873 from legitimate_small_data_p, and make global. Update use.
7874 Remove forward declaration.
7875 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7877 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7879 2005-08-23 David Edelsohn <edelsohn@gnu.org>
7881 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7882 of scratch intermediates.
7883 (eq<mode>_compare): Same.
7884 (neg_eq0<mode>): New.
7885 (neg_eq<mode>): Convert to define_insn_and_split.
7887 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7890 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7891 stdarg functions, set/clear the fp marker even when no variable
7893 * config/rs6000/sysv4.opt (mprototype): Describe.
7895 2005-08-22 Jakub Jelinek <jakub@redhat.com>
7897 PR rtl-optimization/23478
7898 * regs.h (reg_info): Add throw_calls_crossed.
7899 (REG_N_THROWING_CALLS_CROSSED): Define.
7900 * flow.c (allocate_reg_life_data): Initialize
7901 REG_N_THROWING_CALLS_CROSSED.
7902 (propagate_one_insn, attempt_auto_inc): Update
7903 REG_N_THROWING_CALLS_CROSSED.
7904 * global.c (global_alloc): Don't allocate pseudos across
7905 calls that may throw.
7907 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
7910 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7911 value is inbetween the range if we did not find an exact match.
7913 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
7915 * doc/invoke.texi (Option Summary): Add ms1 options.
7916 * doc/extend.texi: Document interrupt handler attribute for ms1.
7917 * doc/md.texi: Document ms1 constraints.
7918 * config.gcc: Add ms1-*-elf.
7919 * config/ms1/ms1.h: New.
7920 * config/ms1/ms1.c: New.
7921 * config/ms1/ms1.md: New.
7922 * config/ms1/ms1-protos.h: New.
7923 * config/ms1/ABI.txt: New.
7924 * config/ms1/crti.asm: New.
7925 * config/ms1/crtn.asm: New.
7926 * config/ms1/lib2extra-funcs.c: New.
7927 * config/ms1/t-ms1: New.
7928 * config/ms1/ms1.opt: New.
7930 2005-08-22 Ira Rosen <irar@il.ibm.com>
7932 * config/rs6000/altivec.md (xorv4sf3): New.
7933 (negv4sf2, neg<mode>2): Likewise.
7935 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
7938 * config/ia64/ia64.md (divsi3): Check divide by zero.
7939 (udivsi3): Likewise.
7941 (udivdi3): Likewise.
7943 2005-08-21 Jakub Jelinek <jakub@redhat.com>
7945 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7946 up to elem_bitsize bits, not max_bitsize.
7948 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7950 PR tree-optimization/23433
7951 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7952 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7954 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7956 PR tree-optimization/23434
7957 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7958 the iteration bound is not an INTEGER_CST.
7960 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
7962 * tree-vect-transform.c (get_initial_def_for_reduction): Set
7963 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7964 NULL if need_epilog_adjust is false.
7965 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7966 Case 3 always peels first itration, not just for PLUS case, and no need
7967 to use scalar_initial_def here. Create an epilog adjustment only if
7968 scalar_initial_def is not NULL.
7970 (vectorizable_reduction): Remove assert.
7972 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
7975 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7976 (__moddi3): Likewise.
7977 (__udivdi3): Likewise.
7978 (__umoddi3): Likewise.
7979 (__divsi3): Likewise.
7980 (__modsi3): Likewise.
7981 (__udivsi3): Likewise.
7982 (__umodsi3): Likewise.
7984 2005-08-20 Jakub Jelinek <jakub@redhat.com>
7986 * tree-pass.h (TDF_GRAPH): Define.
7987 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7988 * passes.c (finish_optimization_passes): Only call
7989 finish_graph_dump_file if TDF_GRAPH is set.
7990 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7991 NULL. Set TDF_GRAPH bit.
7992 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7994 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
7996 * arm.h (arm_stack_offsets): Add locals_base field.
7997 * arm.c (arm_get_frame_offsets): Compute it.
7998 (thumb_compute_initial_elimination offset): Make the Thumb frame
7999 pointer point to the base of the local variables.
8000 (thumb_expand_prologue): Update accordingly.
8001 (thumb_expand_epilogue): Likewise.
8003 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
8004 mode of clobbered scratch to DImode. Handle a case that's known to
8007 2005-08-19 David Edelsohn <edelsohn@gnu.org>
8009 * config/rs6000/rs6000.md (gt0<mode>): Delete.
8010 (gt0<mode>_compare): Delete.
8011 (neg_gt0<mode>): Delete.
8013 2005-08-19 Eric Christopher <echristo@apple.com>
8015 * optabs.h: Change CTI_ to COI_.
8018 2005-08-19 James E Wilson <wilson@specifix.com>
8020 * builtins.c (expand_builtin_return_addr): Set
8021 current_function_accesses_prior_frames when count != 0. Use
8022 frame_pointer_rtx when count == 0.
8023 * function.h (struct function): Add accesses_prior_frames field.
8024 (current_function_accesses_prior_frames): Define.
8025 * reload1.c (init_elim_table): Check
8026 current_function_accesses_prior_frames.
8027 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
8029 2005-08-19 Diego Novillo <dnovillo@redhat.com>
8031 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
8032 indicator. Return true if the flowgraph changed during
8035 2005-08-19 Diego Novillo <dnovillo@redhat.com>
8038 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
8039 conditional expression before testing its value.
8041 2005-08-19 Diego Novillo <dnovillo@redhat.com>
8043 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
8045 2005-08-19 Devang Patel <dpatel@apple.com>
8047 PR tree-optimization/23048
8048 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
8049 third parameter. Check whether latch is dominated by exit
8051 (if_convertible_loop_p): Supply exit block itself to
8052 if_convertible_bb_p.
8054 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
8057 * arm.md (arm_load_pic_register): Change argument to the mask of
8058 saved registers. Call thumb_find_work_register if we need a
8059 scratch register on Thumb.
8060 (arm_expand_prologue): Pass empty register set to
8061 arm_load_pic_register.
8062 (thumb_expand_prologue): Pass live_regs_mask directly to
8063 arm_load_pic_register.
8064 * arm-protos.h (arm_load_pic_register): Update prototype.
8066 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
8068 * sh.c (find_sole_member): New function.
8069 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
8070 if the record's alignment is larger than the size of its only member.
8072 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
8075 * arm.c (thumb_legitimize_reload_address): New function.
8076 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
8077 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
8079 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
8081 * config/crx/crx.c: Implement crx_decompose_address. Reject
8082 symbolic displacements since CRX register relative adressing
8083 mode can't handle unsigned 32-bit values as displacements.
8084 * config/crx/crx.h: Simplify definitions, remove redundant
8085 parenthesis and obsolete macros.
8086 * config/crx/crx.opt: Add new switch for debugging addresses.
8087 * config/crx/crx-protos.h: Add new declarations for above.
8089 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
8092 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
8095 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8097 * collect2.c (dup2): Delete.
8098 * configure.ac: Don't check for dup2.
8100 * config.in, configure: Regenerate.
8102 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
8104 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
8105 record with the type of its only member.
8107 2005-08-18 David Edelsohn <edelsohn@gnu.org>
8109 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
8110 define_insn_and_split.
8111 (plus_ltu<mode>_compare): Same.
8112 (gtu<mode>_compare): Same.
8113 (plus_gtu<mode>_compare): Same.
8115 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
8117 PR tree-optimization/22228
8118 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
8120 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
8121 are recorded in vect_vnames_to_rename for renaming.
8122 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
8123 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
8124 in vect_vnames_to_rename.
8125 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
8126 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
8128 2005-08-18 Jan Hubicka <jh@suse.cz>
8131 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
8132 info only for local statics, not for member variables.
8134 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8136 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
8138 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8140 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
8142 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
8145 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
8147 2005-08-17 James E Wilson <wilson@specifix.com>
8149 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8152 2005-08-17 David Edelsohn <edelsohn@gnu.org>
8154 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
8155 (leu<mode>_compare): Same.
8156 (plus_leu<mode>): Same.
8157 (neg_leu<mode>): Same.
8158 (and_neg_leu<mode): Same.
8159 (ltu<mode>_compare): Same.
8160 (plus_ltu<mode>): Same.
8162 (geu<mode>_compare): Same.
8163 (plus_geu<mode>): Same.
8164 (neg_geu<mode>): Same.
8165 (and_neg_geu<mode>): Same.
8166 (plus_gt<mode>): Same.
8167 (gtu<mode>_compare): Same.
8168 (plus_gtu<mode>): Same.
8170 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
8172 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
8173 Move call_table_data to end. Delete spurious .text.
8174 (callt_save_all_interrupt): Fix comment typo.
8176 2005-08-17 James E Wilson <wilson@specifix.com>
8177 Kevin Winchester <winchester@amirix.com>
8180 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
8182 2005-08-17 Uros Bizjak <uros@kss-loka.si>
8185 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
8186 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
8188 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
8190 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
8191 record with the type of its only member if the modes don't match.
8193 * varasm.c (decode_reg_name): Skip empty additional register names.
8195 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8197 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
8198 lsm_tmp_name_length): New.
8199 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
8200 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
8202 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
8203 Andreas Krebbel <krebbel1@de.ibm.com>
8205 * config.gcc: Added z9-109 switch.
8206 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
8207 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
8208 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
8209 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
8210 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
8211 for "z9_109" cpu attribute.
8212 * config/s390/s390.c (z9_109_cost): New processor cost structure.
8213 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
8214 (s390_handle_arch_option): Added z9-109 switch.
8215 (override_options): Set respective cost function for z9-109.
8216 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
8217 (legitimate_reload_constant_p): Accept extended immediates.
8218 (print_operand): Three new output modifiers added: k, m and o.
8219 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
8220 (s390_output_mi_thunk): Use extended immediate when possible.
8221 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
8222 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
8223 (CONSTRAINT_LEN): Added length of O constraint.
8224 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
8225 * config/s390/s390.md ("cpu"): New value z9_109 added.
8226 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
8227 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
8228 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
8229 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
8230 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
8231 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
8232 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
8233 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
8234 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
8235 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8236 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
8237 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
8238 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
8239 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
8240 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
8242 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
8243 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
8244 insns for TARGET_EXTIMM.
8246 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
8248 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
8250 2005-08-17 Nick Clifton <nickc@redhat.com>
8252 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
8253 Call default_encode_section_info.
8255 2005-08-17 Steven Bosscher <stevenb@suse.de>
8257 PR tree-optimization/21574
8258 * tree-ssa-ccp.c (likely_value): If the right hand side is a
8259 constant, return CONSTANT.
8260 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
8261 (ccp_fold, visit_assignment): Likewise.
8262 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
8264 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
8266 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
8267 fold_buildN instead of buildN then fold_initializer or fold.
8268 (build_unary_op): Likewise.
8269 (build_binary_op): Likewise.
8270 * fold-const.c (fold_initializer): Remove.
8271 (fold_build1_initializer): New function.
8272 (fold_build2_initializer): New function.
8273 (fold_build3_initializer): New function.
8274 * tree.h (fold_initializer): Remove.
8275 (fold_build1_initializer): New function.
8276 (fold_build2_initializer): New function.
8277 (fold_build3_initializer): New function.
8279 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
8281 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
8282 (try_move_mult_to_index): Call fold_build2 instead of build2.
8283 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
8284 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
8285 fold_binary_to_constant.
8286 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
8288 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
8289 check if A == gcd (A, B). Remove TYPE argument.
8290 (analyze_offset) Use fold_build2 instead of fold (build.
8291 (create_data_ref): Likewise.
8292 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
8293 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
8296 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
8298 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
8299 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
8301 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
8304 * gimplify.c (zero_sized_type): New function.
8305 (gimplify_modify_expr_rhs): If we have a zero sized type,
8306 replace the statement with an empty statement.
8308 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
8310 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
8313 2005-08-16 Ian Lance Taylor <ian@airs.com>
8315 * doc/tm.texi (Label Output): Correct typo.
8317 2005-08-16 Steven Bosscher <stevenb@suse.de>
8320 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
8321 force_operand will work later on using have_insn_for.
8323 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8325 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
8327 2005-08-16 Ian Lance Taylor <ian@airs.com>
8330 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
8331 vector type, don't try to construct it element by element. Add an
8332 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
8334 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8336 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
8338 2005-08-16 Geoffrey Keating <geoffk@apple.com>
8340 * doc/invoke.texi (Precompiled Headers): Document some more options
8341 which are known to be safe.
8343 2005-08-16 James E Wilson <wilson@specifix.com>
8345 PR tree-optimization/21105
8346 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8347 TREE_OVERFLOW check.
8349 2005-08-16 David Edelsohn <edelsohn@gnu.org>
8351 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
8352 (neg_ltu<mode>): Same.
8354 (neg_gtu<mode>): Same.
8356 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8358 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
8359 (fold_builtin_isdigit): Use fold_buildN.
8360 (build_function_call_expr): Likewise.
8361 * c-typeck.c (c_finish_loop): Likewise.
8363 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
8364 Richard Shann <rshann@superh.com>
8366 PR middle-end/20396:
8367 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
8369 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
8371 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
8373 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
8376 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
8377 arm_compure_save_reg0_reg12_mask to determine when the PIC register
8380 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8383 * fold-const.c (build_range_check): Disable optimization for function
8384 pointer expressions on targets that require function pointer
8387 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
8389 * simplify-rtx.c (simplify_const_relational_operation): When
8390 extracting arguments of a COMPARE, recompute the mode as well.
8392 2005-08-15 Ian Lance Taylor <ian@airs.com>
8394 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
8396 2005-08-15 DJ Delorie <dj@redhat.com>
8398 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
8400 (movsi_splittable): Allow, but split, moves to the stack.
8401 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
8404 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8406 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
8407 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
8408 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
8410 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
8411 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
8412 Delete HOST_PTR_PRINTF.
8414 * configure, config.in: Regenerate.
8416 2005-08-15 David Edelsohn <edelsohn@gnu.org>
8418 * config/rs6000/rs6000.md (QHSI): New mode macro.
8419 (wd): Extend mode attr for QImode and HImode
8420 (dbits): New mode attr.
8421 (zero_extend<mode>di2): Convert to mode macro.
8423 2005-08-15 Steve Ellcey <sje@cup.hp.com>
8426 * doc/invoke.texi (-mgnu-ld): Update description.
8429 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
8432 * Makefile.in (tree-chrec.o): Depends on real.h.
8433 * tree-chrec.c: Include real.h.
8434 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
8435 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
8436 * tree-scalar-evolution.c (add_to_evolution_1,
8437 interpret_rhs_modify_expr): Ditto.
8439 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
8442 * tree-data-ref.c (estimate_niter_from_size_of_data): When
8443 step is negative compute the estimation from init downwards to zero.
8445 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
8447 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
8449 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
8451 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
8453 (legitimate_reload_constant_p): Fix handling of lliXX operands.
8454 Accept double-word constants that can be split.
8455 * config/s390/s390.md ("movti"): Use 'P' constraint.
8456 ("*movdi_31", "*movdf_31"): Likewise.
8458 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
8460 Fix PR tree-optimization/22615
8462 * tree-ssa-structalias.c (solution_set_add): Handle
8463 first_vi_for_offset returning NULL.
8464 (do_da_constraint): Ditto.
8465 (do_sd_constraint): Ditto.
8466 (do_ds_constraint): Ditto
8467 (find_func_aliases): Ditto.
8468 (build_constraint_graph): RHS is allowed be ANYTHING.
8469 (first_vi_for_offset): Return NULL if we couldn't find anything at
8472 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
8474 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
8475 over memory as first operand.
8477 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
8480 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
8481 available for setting it.
8483 2005-08-14 Ira Rosen <irar@il.ibm.com>
8485 PR tree-optimization/23320
8486 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
8487 data-refs' types instead of base object nullness. Add check for
8488 pointer type data-refs before first location comparison. Remove
8491 2005-08-14 Andreas Schwab <schwab@suse.de>
8493 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
8495 2005-08-13 James E Wilson <wilson@specifix.com>
8497 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
8498 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
8499 -fstack-protector-all, --param ssp-buffer-size): Document.
8500 (-Wvariadic-macros): Alphabetize.
8501 (-fsched-stalled-insns-dep): Add missing 'f'.
8503 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
8506 2005-08-13 David Edelsohn <edelsohn@gnu.org>
8508 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
8509 or indirect address operand.
8510 (EXTRA_ADDRESS_CONSTRAINT): New.
8511 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
8513 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
8515 PR tree-optimization/22236
8516 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
8517 successors and predecessors.
8518 * tree-chrec.c (chrec_convert): Before converting, check that
8519 sequences don't wrap.
8520 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
8521 (analyze_array): Extern.
8522 (find_data_references_in_loop): Remove call to
8523 compute_estimated_nb_iterations.
8524 * tree-data-ref.h (analyze_array): Declared.
8525 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
8526 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
8527 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
8528 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
8530 * tree-ssa-loop-ivcanon.c: Fix documentation.
8531 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
8532 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
8533 (infer_loop_bounds_from_undefined): New.
8534 (estimate_numbers_of_iterations_loop): Use
8535 infer_loop_bounds_from_undefined.
8536 (used_in_pointer_arithmetic_p): New.
8537 (scev_probably_wraps_p): Pass an extra parameter. Call
8538 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
8539 (convert_step): Fix documentation.
8540 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
8541 Use initial_condition_in_loop_num and evolution_part_in_loop_num
8542 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
8543 scev_probably_wraps_p.
8545 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
8547 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
8548 (s390_register_info): Ignore clobbered_regs information for fixed
8549 registers, and only fixed registers.
8550 (s390_init_frame_layout): Remove redundant call.
8552 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
8554 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
8555 description of -Wold-style-casts.
8557 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8558 Jakub Jelinek <jakub@redhat.com>
8560 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8561 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
8562 * config/s390/s390.c (print_operand): New output modifier 'G' added.
8563 (get_thread_pointer): Renamed to s390_get_thread_pointer.
8564 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
8565 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
8566 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8567 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8568 ("stack_protect_set", "stack_protect_test"): New expanders.
8569 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8570 "stack_protect_testdi"): New insn definitions.
8572 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8574 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8576 2005-08-12 Paul Brook <paul@codesourcery.com>
8578 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8580 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8582 * config/s390/predicates.md (setmem_operand): New predicate.
8583 (shift_count_operand): Accept ANDs with special constants as
8585 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8586 with special constants.
8587 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8588 shift_count_operand with setmem_operand.
8590 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8592 * config/s390/s390.c (s390_extract_part, s390_single_part):
8594 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8595 (s390_output_mi_thunk): Don't use lg on 31 bit.
8596 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8597 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8599 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8601 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8602 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8603 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8604 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8605 with one of the new macros.
8607 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8609 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8610 Don't set save_return_addr_p.
8611 (s390_register_info): Make clobbered_regs not depending on
8614 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
8616 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8617 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8619 2005-08-11 James E. Wilson <wilson@specifix.com>
8621 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8623 2005-08-11 Jakub Jelinek <jakub@redhat.com>
8625 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8626 locations gathered by var-tracking in single entry loc_list
8627 over loc_descriptor_from_tree.
8629 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8630 pass it down to loc_descriptor.
8631 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8632 (containing_function_has_frame_base): Move earlier in the file.
8633 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8634 instead of always assuming fbreg can't be used.
8636 2005-08-11 David Edelsohn <edelsohn@gnu.org>
8638 * config/rs6000/altivec.md: Change constraint "m" to "Z".
8639 * config/rs6000/predicates.md (indexed_or_indirect_operand):
8640 Accept address wrapped in AND for Altivec.
8641 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8642 Strip AND wrapping offset address for Altivec.
8644 2005-08-11 Richard Henderson <rth@redhat.com>
8647 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8648 before using TYPE_IS_SIZETYPE.
8650 2005-08-11 Richard Henderson <rth@redhat.com>
8653 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8654 insn types not present on ev4.
8655 (alphaev5_insn_pipe): Similarly.
8657 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
8660 * arm.c (arm_override_options): If the user has selected callee-super-
8661 interworking, then enable normal interworking.
8663 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8665 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8668 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
8670 * doc/rtl.texi: Fix two typos.
8672 2005-08-11 Richard Guenther <rguenther@suse.de>
8675 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8676 cases where we call to/from functions returning void.
8678 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
8681 * tree.c (build_pointer_type_for_mode): Robustify.
8683 2005-08-10 James E Wilson <wilson@specifix.com>
8685 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8686 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8688 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8691 2005-08-10 Eric Christopher <echristo@apple.com>
8693 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8694 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8697 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
8700 * config/darwin.c (machopic_indirect_data_reference): Use a new register
8701 for the high part when generating dynamic-no-pic code.
8703 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
8705 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8706 (x86_64-*-linux*): Likewise.
8708 * config/i386/crtfastmath.c: New file.
8709 * config/i386/t-crtfm: Likewise.
8711 * config/i386/linux.h (ENDFILE_SPEC): New.
8712 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8714 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8717 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
8719 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8720 (vec_shl, vec_shr): Document new operations.
8721 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8723 2005-08-10 David Edelsohn <edelsohn@gnu.org>
8725 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8726 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8727 change predicate to indexed_or_indirect_address.
8729 2005-08-10 Richard Sandiford <richard@codesourcery.com>
8731 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8732 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8733 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8734 and __aeabi_uwrite8.
8735 * config/arm/unaligned-funcs.c: New file.
8736 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8738 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
8740 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8742 * cfglayout.c (pass_insn_locators_initialize): Add dump.
8743 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8745 * except.c (pass_convert_to_eh_region_ranges): Add dump.
8746 * final.c (pass_shorten_branches): Add dump.
8747 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8748 (pass_life): Rename dump.
8749 (rest_of_handle_flow2): Remove initial verify_flow_info.
8750 * function.c (pass_instantiate_virtual_regs): Add dump.
8751 * integrate.c (pass_initial_value_sets): Add dump.
8752 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8753 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8754 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8755 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8756 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8757 gate_rtl_unrool_and_peel_loops): New.
8758 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8759 rtl_doloop): Do not look at flags.
8760 * mode-switching.c (pass_mode_switching): Add dump.
8761 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8762 pass_split_before_regstack): Add dump.
8763 * regmove.c (pass_stack_adjustments): Add dump.
8764 * tree-optimize.c (pass_fixup_cfg): Add dump.
8766 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8769 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8770 deciding which instruction sequence to use.
8772 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
8774 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8775 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8777 2005-08-09 Richard Guenther <rguenther@suse.de>
8779 * c-common.c (builtin_function_2): Remove.
8780 (def_builtin_1): New function.
8781 (c_common_nodes_and_builtins): Use def_builtin_1 to
8782 build builtin functions.
8784 2005-08-09 Jie Zhang <jie.zhang@analog.com>
8786 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8787 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8788 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8791 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8793 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8794 fold_binary instead of fold_build2 since we don't care about the
8796 (loop_niter_by_eval): Likewise.
8797 (compare_trees): Likewise.
8798 (proved_non_wrapping_p): Likewise.
8800 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8804 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8805 if the if is really empty.
8807 2005-08-09 Steven Bosscher <stevenb@suse.de>
8809 PR tree-optimization/23234
8810 * tree-ssa-math-opts.c (place_reciprocal): New enum.
8811 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8812 argument of the new enum.
8813 (execute_cse_reciprocals): Add reciprocals for function arguments
8814 on the unique successor edge of the entry block. Update other calls
8815 to execute_cse_reciprocals_1.
8817 2005-08-08 Richard Henderson <rth@redhat.com>
8820 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8822 2005-08-08 Bob Wilson <bob.wilson@acm.org>
8824 * expr.c (write_complex_part): Return after handling MEM.
8826 2005-08-08 Josh Conner <jconner@apple.com>
8828 PR rtl-optimization/23241
8829 * combine.c (simplify_comparison): Fix error in determining
8830 whether to lift a subreg from comparison.
8832 2005-08-08 David Edelsohn <edelsohn@gnu.org>
8835 * config/rs6000/altivec.md (vec_init<mode>): New.
8836 (vec_set<mode>): New.
8837 (vec_extract<mode>): New.
8838 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8839 (rs6000_expand_vector_set): New.
8840 (rs6000_expand_vector_extract): New.
8841 (rs6000_legitimate_offset_address_p): Offset addresses are valid
8842 for Altivec modes before reload.
8843 (altivec_expand_vec_init_builtin): New.
8844 (get_element_number): New.
8845 (altivec_expand_vec_set_builtin): New.
8846 (altivec_expand_vec_ext_builtin): New.
8847 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8849 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8851 * config/rs6000/rs6000.h (rs6000_builtins): Add
8852 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8853 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8854 * config/rs6000/rs6000-protos.h: Declare new functions.
8856 2005-08-08 Jan Hubicka <jh@suse.cz>
8858 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8859 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8860 * i386.md (movdi*): Use pic_32bit_operand.
8861 * predicates.md (pic_32bit_operand): New.
8863 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
8866 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8868 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
8870 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8871 (test_for_singularity): Use fold_build2.
8873 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8875 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8877 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
8879 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8880 (COMMON_ASM_OP) Define.
8881 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8882 (ix86_encode_section_info): Likewise.
8883 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8884 SUBTARGET_ENCODE_SECTION_INFO.
8886 2005-08-06 Richard Henderson <rth@redhat.com>
8889 * tree-nested.c (convert_local_reference): Save and restore val_only
8890 around component_ref and friends. Clear walk_subtrees by default.
8892 2005-08-06 Peter O'Gorman <peter@pogma.com>
8895 * gcc.c (process_command): Check the argument to -b has a dash.
8896 * doc/invoke.texi: Update -b and -V docs.
8898 2005-08-06 James E Wilson <wilson@specifix.com>
8900 * config/mips/cross64.h, config/mips/t-cross64: Delete.
8902 2005-08-06 Michael Matz <matz@suse.de>
8904 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8905 member only if only one insn is associated with the value.
8907 2005-08-06 Nick Clifton <nickc@redhat.com>
8909 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8911 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8912 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8913 Check symbol flags instead of symbol name mangling.
8914 (xstormy16_asm_output_aligned_common): Likewise. Also
8915 simplify code since the bss100_section cass is the only case
8916 where the below100 code will be triggered.
8917 (xstormy16_encode_section_info): Encode below100 attribute
8918 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8920 (xstormy16_strip_name_encoding): Delete - this function is no
8922 (TARGET_STRIP_NAME_ENCODING): Undefine.
8923 * config/stormy16/stormy16-protos.h: Delete prototype for
8924 xstormy16_strip_name_encoding.
8926 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
8928 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8929 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8930 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8931 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8932 config/alpha/predicates.md, config/arc/arc.h,
8933 config/arm/arm.h, config/arm/ieee754-df.S,
8934 config/arm/ieee754-sf.S, config/bfin/bfin.c,
8935 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8936 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8937 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8938 config/m68hc11/m68hc11.h, config/mips/mips.c,
8939 config/mips/mips.h, config/mips/openbsd.h,
8940 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8941 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8942 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8943 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8944 config/sparc/linux.h, config/sparc/linux64.h,
8945 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8946 doc/extend.texi, doc/gcov.texi, doc/install.texi,
8947 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8948 typos. Follow spelling conventions.
8950 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
8953 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8954 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8955 specially. Check for side effects only for COND_EXPR.
8956 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8957 return with TREE_NO_WARNING.
8959 2005-08-06 Richard Sandiford <richard@codesourcery.com>
8961 PR rtl-optimization/23233
8962 * loop.c (combine_movables): Require the modes to be the same.
8963 (move_movables): Remove handling of cases where the replacement
8964 had a different mode to the original.
8966 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
8968 PR tree-optimization/23128
8969 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8970 subtraction wrap, and set TREE_OVERFLOW if they do.
8972 2005-08-05 Richard Henderson <rth@redhat.com>
8975 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8976 FORCED_LABEL labels.
8978 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
8981 * reload.c (find_reloads_subreg_address): Pass down TYPE
8982 unchanged. Change all callers except find_reloads_toplev.
8984 2005-08-05 Michael Matz <matz@suse.de>
8986 * genattrtab.c (current_alternative_string): Remove.
8987 (SIMPLIFY_ALTERNATIVE): Ditto.
8988 (attr_alt_bit_p): Ditto.
8989 (alternative_name): Make const char *.
8990 (evaluate_eq_attr): Remove use of above things.
8991 (simplify_test_exp): Ditto.
8992 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8993 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8995 2005-08-04 James E Wilson <wilson@specifix.com>
8997 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8998 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8999 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
9000 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
9001 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
9003 2005-08-04 Richard Henderson <rth@redhat.com>
9006 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
9007 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
9008 * tree-sra.c (decide_block_copy): Use it. Disable element copy
9009 if we'd have to instantiate too many members.
9011 2005-08-04 Richard Henderson <rth@redhat.com>
9014 * tree-outof-ssa.c (coalesce_asm_operands): New.
9015 (coalesce_ssa_name): Use it. Split out ...
9016 (coalesce_phi_operands, coalesce_result_decls): ... these.
9018 2005-08-04 Paul Brook <paul@codesourcery.com>
9020 * read-rtl.c (read_quoted_string): Break if EOF.
9022 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
9024 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
9025 (fold_build2): Likewise.
9026 (fold_build3): Likewise.
9027 (fold_build1_stat): New function prototype.
9028 (fold_build2_stat): Likewise.
9029 (fold_build3_stat): Likewise.
9030 * fold-const.c (fold_build1): Rename to ..
9031 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
9032 through to build1_stat.
9033 (fold_build2): Rename to ..
9034 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
9035 through to build2_stat.
9036 (fold_build3): Rename to ..
9037 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
9038 through to build3_stat.
9040 2005-08-04 David Edelsohn <edelsohn@gnu.org>
9041 Ian Lance Taylor <ian@airs.com>
9043 * function.c (assign_stack_local_1): Do not correct stack slot
9044 address if allocation size is smaller than mode size.
9046 2005-08-04 Diego Novillo <dnovillo@redhat.com>
9049 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
9050 (tree_merge_blocks): Propagate anything allowed by
9052 Clarify documentation.
9053 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
9054 SSA form, schedule an update if necessary.
9056 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
9058 * doc/install.texi (Binaries): Remove broken link to
9059 Sinix/Reliant Unix binaries.
9061 2005-08-03 Richard Henderson <rth@redhat.com>
9064 * function.c (stack_protect_epilogue): Export.
9065 * tree.h (stack_protect_epilogue): Declare.
9066 * calls.c (expand_call): Call it.
9068 2005-08-03 Eric Christopher <echristo@apple.com>
9070 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
9071 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
9074 2005-08-04 Jan Hubicka <jh@suse.cz>
9076 * profile.c (branch_prob): Split edges with goto locus on them
9077 to get proper line counts.
9078 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
9080 2005-08-03 Paul Brook <paul@codesourcery.com>
9082 * function.c (assign_parms): Round current_function_args_size
9083 to PARM_BOUNDARY, not STACK_BOUNDARY.
9085 2005-08-03 Geoffrey Keating <geoffk@apple.com>
9087 * config/i386/i386.c (x86_elf_aligned_common)
9088 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
9090 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
9092 PR tree-optimization/23157
9093 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
9094 before emitting them.
9096 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9098 PR tree-optimization/19899
9099 * Makefile.in (tree-scalar-evolution.o): Add real.h.
9100 * tree-scalar-evolution.c: Include real.h.
9101 (add_to_evolution): Build constant -1 of correct type.
9103 2005-08-03 Jan Hubicka <jh@suse.cz>
9105 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
9106 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
9107 profile updating for complette unrolling.
9108 * loop-unroll.c (peel_loop_completely): Use it.
9109 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
9110 (tree_unroll_loops_completely): Disable code growing unrolling of cold
9113 2005-08-03 Paul Brook <paul@codesourcery.com>
9115 * combine.c (can_change_dest_mode): New function.
9116 (try_combine, simplify_set): Use it.
9118 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
9120 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
9123 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
9125 * doc/install.texi (Specific): Adjust link to openavr.org.
9126 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
9127 (Binaries): Adjust HP-UX Porting Center link.
9128 (Binaries): Adjust Free Software Foundation ordering link.
9130 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
9132 * convert.c (convert_to_integer): Use fold_build1 instead of
9133 build1 when converting an integer to an integer.
9135 2005-08-02 Richard Henderson <rth@redhat.com>
9137 * combine.c (combine_instructions): Don't use reg_equal/equiv
9138 results if the mode doesn't match.
9140 2005-08-02 Mark Mitchell <mark@codesourcery.com>
9142 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
9143 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
9145 2005-08-02 Richard Henderson <rth@redhat.com>
9148 * explow.c (memory_address): Remove special-case for
9149 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
9151 2005-08-02 Diego Novillo <dnovillo@redhat.com>
9154 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
9155 number of calls to cleanup_tree_cfg_1.
9157 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
9159 * doc/invoke.texi: document file extensions .F90 and .F95
9161 2005-08-02 Richard Guenther <rguenther@suse.de>
9163 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
9164 positive if its first argument is positive.
9166 2005-08-02 Richard Guenther <rguenther@suse.de>
9168 PR tree-optimization/23177
9169 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
9172 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
9174 PR tree-optimization/23129
9175 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
9176 varying for divisions with anti-ranges.
9178 2005-08-02 Jan Hubicka <jh@suse.cz>
9180 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
9181 * tree-ssa-threadupdate.c (thread_block): Add it here.
9183 2005-08-01 James E Wilson <wilson@specifix.com>
9185 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
9186 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
9187 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
9189 * config/mips/predicates.md (const_call_insn_operand): Add check for
9190 SYMBOL_REF_LONG_CALL_P.
9191 * doc/extend.texi (long_call): Document the new attribute.
9193 2005-08-01 Ian Lance Taylor <ian@airs.com>
9194 Richard Henderson <rth@redhat.com>
9196 * Makefile.in (RTL_BASE_H): Add real.h.
9197 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
9199 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
9201 * rtl.c (rtl_check_failed_code_mode): New.
9202 * rtl.h (struct rtx_def): Add u.rv.
9203 (XCMWINT, XCNMPRV): New.
9204 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
9205 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
9207 2005-08-01 Richard Henderson <rth@redhat.com>
9209 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
9210 with auto-inc codes.
9212 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
9214 2005-08-01 Jan Hubicka <jh@suse.cz>
9216 * i386-protos.h (asm_preferred_eh_data_format): Declare.
9217 * i386.c: Include dwarf2.h
9218 (asm_preferred_eh_data_format): New.
9219 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
9221 2005-08-01 Ian Lance Taylor <ian@airs.com>
9223 * config/host-linux.c (linux_gt_pch_get_address): Add new name
9224 randomize_va_space for virtual address randomization control.
9226 2005-08-01 Steven Bosscher <stevenb@suse.de>
9228 * common.opt (flag_ipa_cp): Put in right place to maintain
9231 2005-08-01 Jan Hubicka <jh@suse.cz>
9233 * profile.c (compute_value_histograms): Fix thinko.
9234 * value-prof.c: Include toplev.h
9235 (check_counter): New function.
9236 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
9237 tree_mod_subtract_transform): Add sanity check.
9239 2005-08-01 Richard Guenther <rguenther@suse.de>
9241 PR tree-optimization/23133
9242 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
9243 current functions parameter decls to find defs to cse
9246 2005-08-01 Richard Guenther <rguenther@suse.de>
9248 PR tree-optimization/23109
9249 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
9250 If trapping math is in effect, use post-dominator information
9251 to check if we'd in any case reach a trapping point before
9252 doing the reciprocal insertion.
9253 (execute_cse_reciprocals): Compute post-dominators, if necessary.
9254 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
9255 expressions are invariant only if trapping math is not in effect.
9257 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
9259 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
9260 cgraph_function_versioning): New declarations.
9261 * cgraphunit.c: Add include to ipa-prop.h.
9262 (update_call_expr, cgraph_copy_node_for_versioning,
9263 cgraph_function_versioning): New functions.
9264 * integrate.c (copy_decl_for_inlining): Remove.
9265 * ipa-prop.h (ipa_replace_map): New struct.
9266 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
9267 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
9268 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
9269 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
9270 ipcp_iterate_stage, ipcp_method_scale_print,
9271 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
9272 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
9273 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
9274 ipcp_update_bb_counts, ipcp_update_profiling,
9275 ipcp_update_edges_counts): New functions.
9276 (ipcp_method_cval_init): Remove restriction regarding local methods.
9277 (ipcp_init_stage): Add ipcp_method_compute_scale.
9278 (ipcp_insert_stage): Add versioning.
9279 (ipcp_structures_print): Add ipcp_method_scale_print.
9280 (ipcp_driver): Dump profiling info.
9281 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
9282 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
9283 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
9284 (struct inline_data): Add versioning_p, ipa_info, new fields.
9285 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
9286 declare_return_variable): Replace calls to copy_decl_for_inlining with
9288 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
9290 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
9291 Add argument VERSIONING.
9292 (copy_arguments_for_versioning, copy_static_chain,
9293 function_versionable_p, tree_versionable_function_p,
9294 tree_function_versioning, replace_ref_tree): New functions.
9295 * tree-inline.h: Include varray.h.
9296 (tree_versionable_function_p, tree_function_versioning,
9297 tree copy_decl_for_dup): New declarations.
9299 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
9301 * ipa-cp.c: New file. Contains IPCP specific functionality.
9302 * ipa-prop.h: New file. Contains structures/definitions that can be
9303 used by several interprocedural data flow optimizations (and also IPCP).
9304 * ipa-prop.c: New file.
9305 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
9306 * common.opt: Add ipa-cp flag.
9307 * timevar.def: Add IPCP optimization.
9308 * tree-optimize.c (init_tree_optimization_passes): Schedule
9310 * tree-pass.h (pass_ipa_cp): Declare.
9312 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
9314 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
9315 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
9316 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
9317 config/i386/i386.c, config/mips/mips.h,
9318 config/rs6000/rs6000.h, config/sh/sh.c,
9319 config/stormy16/stormy16.c: Fix comment typos.
9321 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
9324 * c-typeck.c (build_binary_op): Use common_type wrapper on
9326 (common_type): Update comment.
9328 2005-07-31 Steven Bosscher <stevenb@suse.de>
9331 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
9332 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
9333 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
9335 2005-07-31 Jan Hubicka <jh@suse.cz>
9337 * pretty-print.h (pp_widest_integer): New macro.
9338 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
9341 2005-07-31 Jan Hubicka <jh@suse.cz>
9343 * output.h (enum section_category): Export from varasm.c
9344 (categorize_decl_for_section): Likewise.
9345 * varasm.c (enum section_category): Kill.
9346 (categorize_decl_for_section): Make global.
9347 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
9349 * i386.c (ix86_section_threshold): New static variable.
9350 (ix86_in_large_data_p, ix86_encode_section_info,
9351 x86_64_elf_unique_section,
9352 x86_64_elf_select_section): New functions.
9353 (TARGET_ENCODE_SECTION_INFO): Define
9354 (override_options): Enable medium model for PIC.
9355 (ix86_expand_prologue): Expand gen_set_got_rex64.
9356 (legitimate_constant_p): Handle new UNSPECs.
9357 (legitimate_pic_address_disp_p): Likewise.
9358 (legitimize_pic_address): Lower MEDIUM model addressing.
9359 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
9360 (enum cmodel): Add MEDIUM_PIC.
9361 (SYMBOL_REF_FAR_ADDR_P): New macro.
9362 (SYMBOL_FLAG_FAR_ADDR): New flag.
9363 * i386.md (movdi): Support medium model.
9364 (set_got_rex64): New pattern.
9365 * i386.opt (mlarge-data-threshold): New flag.
9366 * predicates.md (zext_operand/sext_operand): Deal with medium model.
9367 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
9368 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
9369 TARGET_ASM_UNIQUE_SECTION): New.
9371 * invoke.texi (-mlarge_data_threshold): Document
9373 2005-07-31 Jan Hubicka <jh@suse.cz>
9375 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
9376 (coalesce_vars): Likewise.
9377 * tree-ssa-live.c (coalesce_cost): New.
9378 (build_tree_conflict_graph): Use coalesce_cost.
9379 * tree-ssa-live.h (coalesce_cost): Declare.
9381 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
9383 * arm.md (all peepholes for post-increment operations): Delete.
9384 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
9385 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
9386 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
9387 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
9388 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
9390 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
9392 * fold-const.c (tree_expr_nonnegative_p): Always return true for
9395 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
9398 * doc/invoke.texi: Document -rdynamic.
9400 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
9403 * c-parser.c (c_parser_parms_list_declarator): Call
9404 mark_forward_parm_decls.
9405 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
9406 decls with visibility structure.
9408 2005-07-30 Paul Brook <paul@codesourcery.com>
9410 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
9412 2005-07-30 Paul Brook <paul@codesourcery.com>
9414 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
9416 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
9418 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
9420 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9423 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
9424 nested function declarators.
9425 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
9426 (grokparms): Call warn_if_shadowing for parameters used within the
9428 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
9429 not used within the parameter list.
9430 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
9432 2005-07-30 Jan Hubicka <jh@suse.cz>
9434 * expr.c (expand_expr_real_1): Do not load mem targets into register.
9435 * i386.c (ix86_fixup_binary_operands): Likewise.
9436 (ix86_expand_unary_operator): Likewise.
9437 (ix86_expand_fp_absneg_operator): Likewise.
9438 * optabs.c (expand_vec_cond_expr): Validate dest.
9440 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9443 * real.c (real_from_string): Also set last bit if there is a
9444 nonzero hex digit beyond GCC's internal precision after ".".
9446 2005-07-29 David Edelsohn <edelsohn@gnu.org>
9448 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
9449 define_constants. Change duplicate values to unassigned numbers.
9450 Change UNSPEC_SUBS to UNSPEC_VSUBS.
9451 (*altivec_vspltsf): New.
9452 (altivec_vperm_v4sf): Delete.
9453 (altivec_vperm_<mode>): Use mode macro V.
9454 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
9455 (altivec_predicate_v4sf): Delete.
9456 (altivec_predicate_<mode>): Use mode macro V.
9457 (*altivec_lvesfx): New.
9458 (*altivec_stvesfx): New.
9459 (vec_realign_load_v4sf): Delete.
9460 (vec_realign_load_<mode>): Use mode macro V.
9461 * config/rs6000/rs6000.c (generate_set_vrsave): Use
9464 2005-07-29 Mark Mitchell <mark@codesourcery.com>
9467 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
9469 * configure: Regenerated.
9471 2005-07-29 Paul Brook <paul@codesourcery.com>
9473 * doc/install.texi: Add link to GFortran binaries wiki page.
9475 2005-07-29 David Ung <davidu@mips.com>
9477 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
9478 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
9479 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
9480 * config/mips/mips.md (cpu): Add 5kf name.
9481 (includes): Includes 5k.md.
9482 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
9483 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
9486 2005-07-29 Diego Novillo <dnovillo@redhat.com>
9489 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
9490 (cleanup_tree_cfg): ... here.
9491 Call cleanup_tree_cfg_1 until there are no more cleanups to
9494 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
9496 * tree-vrp.c (compare_range_with_value): Return true or false
9497 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
9498 EQ_EXPR respectively.
9500 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
9502 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
9505 2005-07-29 Diego Novillo <dnovillo@redhat.com>
9507 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
9508 (tree_ssa_dominator_optimize): Increment it.
9509 (dump_dominator_optimization_stats): Print it.
9511 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
9512 Steven Bosscher <stevenb@suse.de>
9514 PR rtl-optimization/23117
9515 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
9516 when head == tail. Tidy comment.
9518 2005-07-28 Richard Henderson <rth@redhat.com>
9520 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
9521 * cselib.c (rtx_equal_for_cselib_p): Likewise.
9522 * jump.c (rtx_renumbered_equal_p): Likewise.
9523 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
9524 CONST_INT and CONST_DOUBLE.
9525 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
9526 * reload.c (operands_match_p): Special case CONST_INT and
9527 CONST_DOUBLE; check mode earlier.
9529 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9532 * c-typeck.c (convert_for_assignment): Do not check
9533 DECL_IN_SYSTEM_HEADER on NULL fundecl.
9535 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9538 * c-typeck.c (composite_type): Prefer constant size arrays to
9541 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9544 * real.c (real_from_string): Set last bit if there is a nonzero
9545 hex digit beyond GCC's internal precision.
9547 2005-07-28 Richard Henderson <rth@redhat.com>
9550 * cfgcleanup.c (try_forward_edges): Watch out for end of
9553 2005-07-28 James E Wilson <wilson@specifixinc.com>
9556 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
9558 2005-07-28 Jan Hubicka <jh@suse.cz>
9560 * Makefile.in (rtl-profile.o): Kill all traces of it.
9561 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
9562 * coverage.h (rtl_coverage_counter_ref): Kill.
9563 * opts.c (flag_speculative_prefetching_set): Kill.
9564 (flag_loop_optimize_set): New.
9565 (common_handle_option): Disable loop optimizer when profiling;
9566 do not handle speculative prefetching.
9567 * passes.c (init_optimization_passes): Replace pass_profiling combo
9568 by branch_prob pass.
9569 * profile.c (compute_value_histograms): Update for simplified value
9571 (rtl_register_profile_hooks): Kill.
9572 (pass_profiling): Kill.
9573 (rest_of_handle_branch_prob): Do not profile.
9574 * toplev.c (process_options): Remove speculative prefetching.
9575 * toplev.h (flag_tree_based_profiling): Kill.
9576 * tree-profile.c (prepare_instrumented_value,
9577 tree_gen_interval_profiler, tree_gen_pow2_profiler,
9578 tree_gen_one_value_profiler, do_tree_profiling): Update for
9579 simplified datastructures.
9580 * value-prof.c: Add comment that speculative prefetching was dropped;
9581 update rest of file for simplified datastructures.
9582 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9583 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9584 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9585 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9586 rtl_mod_subtract, gen_speculative_prefetch,
9587 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9588 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9589 (gate_handle_value_profile_transformations,
9590 rest_of_handle_value_profile_transformations,
9591 pass_value_profile_transformations): Kill.
9592 * value-prof.h (histogram_value_t): Remove IL based unions.
9593 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9594 rtl_profile_hooks): Remove hooks.
9596 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9598 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9599 (cgraph_clone_node): Likewise.
9600 * cgraph.h (cgraph_clone_edge): Update prototype.
9601 (cgraph_clone_node): Likewise.
9602 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9604 (lookup_recursive_calls): Consider profile.
9605 (cgraph_decide_recursive_inlining): Fix updating; use new
9606 probability argument; use profile.
9607 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9608 * tree-inline.c (copy_bb): Update clal of clone_edge.
9609 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9611 * invoke.texi (min-inline-recursive-probability): Document.
9613 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
9615 * doc/install.texi (Configuration): Update Valgrind homepage.
9617 2005-07-28 Richard Henderson <rth@redhat.com>
9620 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9621 labels we want to delete.
9622 (cfg_layout_merge_blocks): Likewise.
9624 2005-07-28 Richard Henderson <rth@redhat.com>
9627 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9628 when expanding to nothing.
9630 2005-07-28 Josh Conner <jconner@apple.com>
9632 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9633 (cgraph_decide_inlining_of_small_functions): Likewise.
9635 2005-07-28 Josh Conner <jconner@apple.com>
9637 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
9638 direction of badness if negative.
9639 (cgraph_default_inline_p): Add reason to parameters, and assign it
9641 (cgraph_decide_inlining_of_small_functions): New parameter in call
9642 to cgraph_default_inline_p.
9643 (cgraph_decide_inlining_incrementally): Likewise.
9644 * cgraphunit.c (decide_is_function_needed): Likewise.
9645 * cgraph.h (cgraph_default_inline_p): Likewise.
9647 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9649 * builtins.c: Fix comment typo(s).
9650 * genautomata.c: Likewise.
9651 * gimplify.c: Likewise.
9652 * tree-dfa.c: Likewise.
9653 * tree-flow-inline.h: Likewise.
9654 * tree-into-ssa.c: Likewise.
9655 * tree-ssa-alias.c: Likewise.
9656 * tree-ssa-ccp.c: Likewise.
9657 * tree-ssa-copy.c: Likewise.
9658 * tree-ssa-dce.c: Likewise.
9659 * tree-ssa-dom.c: Likewise.
9660 * tree-ssa-operands.c: Likewise.
9661 * tree-tailcall.c: Likewise.
9662 * tree-vectorizer.c: Likewise.
9663 * tree-vrp.c: Likewise.
9666 2005-07-28 Jeff Law <law@redhat.com>
9668 * tree-vrp.c (test_for_singularity): Extracted from ...
9669 (simplify_cond_using_ranges): Attempt to simplify a relational
9670 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
9672 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
9674 PR tree-optimization/22506
9675 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9676 phis whose argument is constant.
9678 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
9680 PR rtl-optimization/18992
9681 Back out this patch:
9682 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9683 PR optimization/12142
9684 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9685 uses of the register in the SET_SRC. Remove unnecessary argument.
9687 Replace it with this:
9688 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9689 if flag_non_call_exceptions is set and the insn may trap, pass
9690 pc_rtx as dest for recursion.
9691 In SET_SRC part of SET case, if dest is already set, pass it down
9694 2005-07-28 Jan Hubicka <jh@suse.cz>
9696 * cfg.c (update_bb_profile_for_threading): Use RDIV.
9697 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9698 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9700 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9701 profile when available.
9703 2005-07-28 Jan Beulich <jbeulich@novell.com>
9705 * config/ia64/ia64.c (ia64_load_pair_ok): New.
9706 (ia64_print_operand): Describe and handle 'X'.
9707 (ia64_register_move_cost): Also handle FP_REGS.
9708 (ia64_preferred_reload_class): Likewise.
9709 (ia64_secondary_reload_class): Likewise.
9710 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9711 it. Also check for ITANIUM_CLASS_FLDP.
9712 * config/ia64/ia64.h (FP_REGNO_P): New.
9713 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9714 (reg_class): Add FP_REGS.
9715 (REG_CLASS_NAMES): Adjust for it.
9716 (REG_CLASS_CONTENTS): Likewise.
9717 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9718 (REG_CLASS_FROM_LETTER): Handle 'x'.
9719 (CLASS_MAX_NREGS): Handle FP_REGS.
9720 (MEMORY_MOVE_COST): Likewise.
9721 * config/ia64/ia64.md (itanium_class): Add fldp.
9722 (type): Handle fldp.
9723 (movti_internal): More allowable operand combinations. Use ldfp8 when
9724 splitting unnecessary. Remove predicable attribute. Adjust
9725 itanium_class attribute.
9726 (smuldi3_highpart): Remove outdated comment.
9727 (mulditi3, umulditi3, rotlti3): New expanders.
9728 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9729 (absti2): Disabled new insn for future reference.
9730 Respective new splitters.
9731 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9732 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9733 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9735 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
9737 PR rtl-optimization/23047
9738 * simplify-rtx.c (simplify_const_relational_operation): Respect
9739 flag_wrapv for comparisons with ABS.
9741 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
9743 PR tree-optimization/22493
9744 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9745 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9747 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
9749 * config/frv/frv.opt (moptimize-membar): New.
9751 * doc/invoke.texi: Document -moptimize-membar and its inverse.
9753 * config/frv/frv.h: Remove machine_function definition.
9755 * config/frv/frv.c (struct frv_io): New.
9756 (struct machine_function): Moved from frv.h. Add has_membar_p.
9757 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9758 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9759 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9760 (frv_optimize_membar_global, frv_optimize_membar): New functions.
9761 (frv_reorg): Call frv_optimize_membar when appropriate.
9762 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9763 (frv_expand_builtin): Adjust calls accordingly.
9764 (frv_io_address_cookie): New function.
9765 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9766 load or store rather than a special insn. Add ccnstant address and
9767 io-type operands to the membar.
9768 (frv_ifcvt_modify_tests): Unsign regno.
9769 (frv_ifcvt_modify_tests): Same.
9771 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
9772 UNSPEC_OPTIONAL_MEMBAR constant.
9773 (builtin_read_<mode>): Delete.
9774 (builtin_write_<mode>): Delete.
9775 ("optional_membar_<mode>"): Add operand.
9777 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9778 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9779 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9780 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9781 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9782 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9783 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9784 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9785 * testsuite/gcc.target/frv/all-read-write-1.c: New.
9787 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
9789 * df.c (df_uses_record): Handle SCRATCH.
9791 2005-07-28 Steven Bosscher <stevenb@suse.de>
9794 * passes.c (rest_of_decl_compilation): If decl is a type and
9795 we have encountered errors, don't emit debug information.
9797 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9799 * params.def: Fixed comment.
9801 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
9804 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9805 (TARGET_ASM_UNALIGNED_HI_OP): Add.
9806 (TARGET_ASM_UNALIGNED_SI_OP): Add.
9808 2005-07-27 Steven Bosscher <stevenb@suse.de>
9811 * varasm.c (assemble_start_function): Don't do anything that may
9812 require a CFG if the current function is a thunk.
9814 2005-07-25 Geoffrey Keating <geoffk@apple.com>
9816 * doc/install.texi (Prerequisites): Mention that perl is needed
9817 to do export control in libstdc++ targetting Darwin.
9819 2005-07-27 Steven Bosscher <stevenb@suse.de>
9821 PR rtl-optimization/17808
9822 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9823 (sched_insns_conditions_mutex_p): Split out from...
9824 (add_dependence): ...here. But don't call it from here.
9825 (add_dependence_list): Check sched_insns_conditions_mutex_p
9826 before calling add_dependence.
9827 (add_dependence_list_and_free): Likewise.
9828 (fixup_sched_groups): Likewise.
9829 (sched_analyze_1): Likewise.
9830 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9831 (sched_analyze): Likewise.
9832 (sched_analyze_insn): Likewise.
9833 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9834 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
9835 dependencies on all COND_EXEC insns to jumps ending basic blocks
9836 when doing intrablock scheduling.
9837 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9839 2005-07-27 Jeff Law <law@redhat.com>
9841 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9842 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
9843 equivalency sets, correctly handle the case were vr0 has an
9844 equivalency set, but vr1 does not.
9846 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
9848 PR tree-optimization/23073
9849 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9850 vect_print_dump_info before fprintf.
9852 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9854 PR tree-optimize/22348
9855 * tree-ssa-loop-niter.c (number_of_iterations_cond):
9856 Fold the partial computation.
9858 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9860 PR tree-optimization/22325
9861 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9863 * tree-scalar-evolution.c (scev_const_prop): Add generic final
9865 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9866 (force_var_cost): ... this function.
9867 (compute_phi_arg_on_exit): Export.
9869 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9871 PR tree-optimization/20773
9872 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9875 2005-07-27 Richard Guenther <rguenther@suse.de>
9877 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9878 Avoid pushing again if current struct contains only
9879 fields we decomposed.
9881 2005-07-27 Jan Hubicka <jh@suse.cz>
9883 PR tree-optimization/22574
9884 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9887 * tree-tailcall.c (decrease_profile): New function.
9888 (eliminate_tail_call): Use it.
9890 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9891 visibility flags correctly in whole program mode.
9893 2005-07-26 Steve Ellcey <sje@cup.hp.com>
9895 PR rtl-optimization/22472
9896 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9898 2005-07-26 Steven Bosscher <stevenb@suse.de>
9900 PR tree-optimization/22504
9901 * tree-complex.c (expand_complex_addition): Use 'code' instead
9902 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9904 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9906 * config.gcc (cpu_type): Add frv case.
9907 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9908 (supported_defaults): Add fr550 case.
9910 2005-07-26 Diego Novillo <dnovillo@redhat.com>
9913 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9914 whether a pointer of type T * may point to objects of type T *.
9916 2005-07-26 DJ Delorie <dj@redhat.com>
9918 * configure: Regenerate.
9920 2005-07-26 Dale Johannesen <dalej@apple.com>
9922 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
9924 2005-07-26 Mark Mitchell <mark@codesourcery.com>
9926 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9927 Clarify use of "build" in name.
9929 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9931 * doc/extend.texi (Raw read/write Functions): New section.
9932 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9933 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9934 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9935 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9936 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9937 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9938 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9939 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9940 * config/frv/frv.c: Add bdesc_loads global.
9941 Add bdesc_stores global.
9942 (frv_init_builtins): Add support for __builtin_{read/write}*.
9943 (frv_volatile_memref): New.
9944 (frv_expand_load_builtin): New.
9945 (frv_expand_store_builtin): New.
9946 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9947 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9948 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9949 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9950 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9951 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9952 (builtin_read_<mode>): New.
9953 (builtin_write_<mode>): New.
9954 (builtin_write64): New.
9955 (optional_membar_<mode>): New.
9957 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
9959 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9960 (rather than units) against HOST_BITS_PER_WIDE_INT.
9962 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
9964 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9965 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9966 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9967 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9970 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9971 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9972 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9974 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9976 2005-07-26 Richard Guenther <rguenther@suse.de>
9978 PR tree-optimization/22486
9979 * fold-const.c (fold_unary): Fold away useless component
9980 references of the form (T *)&T.x, if the address
9983 2005-07-25 James E Wilson <wilson@specifixinc.com>
9985 * dwarf2out.c (add_call_src_coords_attributes): New.
9986 (gen_inlined_subroutine_die): Call it.
9987 (maybe_emit_file, init_file_table): Add comments.
9988 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9990 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9991 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9992 * tree.h (BLOCK_SOURCE_LOCATION): New.
9993 (struct tree_block): New field locus.
9995 2005-07-26 Andreas Schwab <schwab@suse.de>
9997 PR rtl-optimization/23043
9998 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9999 when allocating a struct unoccr.
10001 2005-07-25 Richard Henderson <rth@redhat.com>
10004 * tree-complex.c (gate_no_optimization): True if errors.
10005 * Makefile.in (tree-complex.o): Update dependencies.
10007 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
10009 * config/frv/predicates.md (integer_register_operand): Use
10010 GPR_AP_OR_PSEUDO_P.
10012 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
10015 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
10017 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
10019 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
10021 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
10022 types when flag_unsafe_math_optimizations is true.
10024 2005-07-25 Mark Mitchell <mark@codesourcery.com>
10026 * gcc.c (option_map): Add --sysroot.
10027 (process_command): Handle --sysroot.
10028 (display_help): Document it.
10029 * doc/cppopts.tex (-isysroot): Document.
10030 * doc/invoke.texi (--sysroot): Document.
10031 * doc/install.texi (--with-build-sysroot): Document.
10033 * Makefile.in (inhibit_libc): New variable.
10034 (INHIBIT_LIBC_CFLAGS): Likewise.
10035 (LIBGCC2_CFLAGS): Include
10036 $(INHIBIT_LIBC_CFLAGS).
10037 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
10038 ($(T)crtbegin.o): Do not use @inhibit_libc@.
10039 ($(T)crtend.o): Likewise.
10040 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
10041 ($(T)crtendS.o): Likewise.
10042 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
10043 ($(T)crtendT.o): Likewise.
10044 (stmp-fixinc): Do not complain about missing headers if
10046 * configure.ac (inhibit_libc): Set it to true/false.
10047 (--with-build-sysroot): New option. Use it to set
10049 * configure: Regenerated.
10051 2005-07-25 Manfred Hollstein <mh@suse.com>
10053 * calls.c (store_one_arg): Fix unsigned comparison warning.
10055 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
10058 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
10059 (ggc_print_statistics): Initialize variable before use.
10061 2005-07-25 Richard Guenther <rguenther@suse.de>
10063 * tree-dfa.c (mark_new_vars_to_rename): Protect against
10064 calling with a PHI_NODE argument.
10066 * tree-flow-inline.h (overlap_subvar): Protect against
10069 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
10071 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
10072 * configure: Regenerate.
10074 2005-07-25 Ira Rosen <irar@il.ibm.com>
10076 * expr.c (highest_pow2_factor): Make extern.
10077 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
10078 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
10079 record_array_differ_p, array_ptr_differ_p): Likewise.
10080 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
10081 additional cases. Call the above functions.
10082 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
10083 base_object_differ_p when there are two base objects. Otherwise, compare
10084 base address and offset. Call may_alias_p.
10085 (dump_data_reference): Use a correct field name.
10086 (analyze_array): Make static. Initialize new data-ref fields.
10087 (analyze_indirect_ref): New function.
10088 (init_data_ref): Initialize new data-ref fields.
10089 (strip_conversion): Moved from tree-vect-analyze.c.
10090 (analyze_offset_expr, get_ptr_offset, address_analysis,
10091 object_analysis): Likewise.
10092 (analyze_offset): New function.
10093 (create_data_ref): Likewise.
10094 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
10095 dimensions for ARRAY_REFs only.
10096 (build_classic_dist_vector): Make static.
10097 (access_functions_are_affine_or_constant_p): Call macro to get the
10098 address of access functions.
10099 (compute_all_dependences): Add new parameter
10100 compute_self_and_read_read_dependences. Compute self and read-read
10101 dependences if it is true.
10102 (find_data_references_in_loop): Call create_data_ref. Initialize new
10104 (compute_data_dependences_for_loop): Add new parameter
10105 compute_self_and_read_read_dependences. Remove parameter nb_loops,
10106 compute nb_loops. Call compute_all_dependences,
10107 build_classic_dist_vector and build_classic_dir_vector with correct
10109 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
10110 with correct parameters. Compare dimensions for ARRAY_REFs only.
10111 (free_data_refs): Call macro to free access functions.
10112 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
10113 fields from stmt_vinfo.
10114 (struct base_object_info): New structure.
10115 (struct data_reference): Move fields to base_object_info. Add fields
10116 first_location and object_info for above structures. Move fields from
10117 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
10118 aligned_to. Add macros to access the new fields.
10119 Update functions declarations.
10120 * tree-flow.h (is_aliased_with): Declare.
10121 * tree-loop-linear.c (linear_transform_loops): Call
10122 compute_data_dependences_for_loop with correct parameters.
10123 * tree-ssa-alias.c (is_aliased_with): New function.
10124 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
10125 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
10126 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
10127 vect_base_addr_differ_p, compute_subscript_distance and
10128 build_classic_dist_vector. Add printings. Check absolute value of
10130 (vect_analyze_data_ref_dependences): Go through ddrs instead of
10132 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
10133 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
10134 to bytes. Add printing.
10135 (vect_compute_data_refs_alignment): Go through loads and stores in one
10137 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
10138 vect_analyze_data_ref_access): Likewise.
10139 (vect_analyze_pointer_ref_access): Remove.
10140 (vect_address_analysis, vect_object_analysis): Likewise.
10141 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
10142 and analyze data-refs in the loop.
10143 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
10144 fields of data-ref instead of stmt. Add init to the offset from the
10146 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
10147 (vect_update_init_of_dr): Likewise.
10148 (vect_update_inits_of_drs): Go through loads and stores in one loop.
10149 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
10151 (new_loop_vec_info): Initialize new fields.
10152 (destroy_loop_vec_info): Free new fields.
10153 (vect_strip_conversion): Remove.
10154 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
10155 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
10156 datarefs. Add new field ddrs.
10157 Add macros for the new fields access.
10158 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
10159 base_aligned_p, misalignment, memtag, ptr_info and subvars.
10160 Remove their macros.
10161 * tree.h (highest_pow2_factor): Declare.
10163 2005-07-25 Jakub Jelinek <jakub@redhat.com>
10165 * calls.c (store_one_arg): Check for sibling call MEM arguments
10166 from already clobbered incoming argument area.
10168 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10170 * c-common.c (check_missing_format_attribute): New.
10171 * c-common.h (check_missing_format_attribute): Likewise.
10172 * c-typeck.c (convert_for_assignment): Use it.
10174 2005-07-24 Andreas Schwab <schwab@suse.de>
10176 * config/m68k/m68k.md ("extendqidi2"): When source is an address
10177 register use a word move. Correct operand of ext.w in 68000 code.
10179 2005-07-23 Mark Mitchell <mark@codesourcery.com>
10181 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
10182 variables as declarations, rather than definitions.
10184 2005-07-24 Ira Rosen <irar@il.ibm.com>
10186 PR tree-optimization/22526
10187 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
10190 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10192 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
10193 that C99 reserve for future use. Use it to define clog10,
10194 clog10f and clog10l.
10196 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10198 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
10199 * configure.ac: Check for -Wmissing-format-attribute.
10201 * configure: Regenerate.
10203 2005-07-23 Richard Henderson <rth@redhat.com>
10205 PR tree-optimization/22623
10206 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
10208 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
10211 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
10213 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10215 * Makefile.in (C_TREE_H): Update dependencies.
10216 * c-tree.h: Include toplev.h.
10217 * diagnostic.h (diagnostic_set_info): Add format attribute.
10218 * rtl-error.c (diagnostic_for_asm): Likewise.
10220 2005-07-23 Chao-ying Fu <fu@mips.com>
10222 * config/mips/mips-dsp.md: New file.
10223 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
10224 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
10226 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
10227 MIPS_BUILTIN_BPOSGE32.
10228 (mips_expand_builtin_direct): Add one parameter to indicate that
10229 builtin functions need to return a value.
10230 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
10232 (mips_regno_to_class): Add classes for 12 new DSP registers.
10233 (mips_subword): Change to check four HI registers.
10234 (mips_output_move): Output move to and from 6 new DSP accumulators.
10235 (override_options): Make sure -mdsp and -mips16 are not used together.
10236 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
10238 (mips_conditional_register_usage): Disable 6 new DSP accumulators
10240 (print_operand): Add 'q' for printing DSP accumulators.
10241 (mips_cannot_change_mode_class): Check ACC_REGS.
10242 (mips_secondary_reload_class): Check ACC_REGS.
10243 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
10244 (mips_register_move_cost): Check ACC_REGS.
10245 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
10246 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
10247 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
10248 (dsp_bdesc): New array.
10249 (bdesc_arrays): Add DSP builtin function table.
10250 (mips_prepare_builtin_arg): Check predicate again after
10252 (mips_expand_builtin): Add one more parameter to
10253 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
10254 MIPS_BUILTIN_BPOSGE32.
10255 (mips_init_builtins): Initialize new function types.
10256 (mips_expand_builtin_direct): Check if builtin functions need to
10257 return a value and pass operands properly.
10258 (mips_expand_builtin_bposge): New function.
10259 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
10260 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
10261 (FIRST_PSEUDO_REGISTER): Increase to 188.
10262 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
10263 Update for 12 new DSP registers.
10264 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
10265 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
10266 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
10267 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
10268 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
10269 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
10270 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
10271 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
10272 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
10273 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
10274 (REGISTER_NAMES): Add names for 12 new DSP registers.
10275 * config/mips/mips.md: Include mips-dsp.md.
10276 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
10277 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
10278 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
10279 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
10280 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
10281 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
10282 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
10283 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
10284 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
10285 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
10286 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
10287 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
10288 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
10289 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
10290 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
10291 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
10292 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
10293 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
10294 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
10295 (UNSPEC_RDDSP): New constants.
10296 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
10297 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
10299 * config/mips/mips.opt (-mdsp): New option.
10300 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
10301 (reg_imm10_operand): New predicates.
10302 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
10303 * doc/invoke.texi (-mdsp): Document new option.
10305 2005-07-22 DJ Delorie <dj@redhat.com>
10307 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
10309 * tree-inline.c (inlinable_function_p): Likewise.
10311 2005-07-22 Mark Mitchell <mark@codesourcery.com>
10314 * toplev.c (check_global_declarations): Do not mark undefined
10315 variables as DECL_IGNORED_P.
10316 * varasm.c (first_global_object_name): GTY it.
10317 (weak_global_object_name): Likewise.
10318 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
10319 a string to go into {weak,first}_global_object_name.
10321 2005-07-22 DJ Delorie <dj@redhat.com>
10323 * c-format.c (check_function_format): Change warning control
10324 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
10326 2005-07-22 Diego Novillo <dnovillo@redhat.com>
10328 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
10329 &PTR->FLD a dereference of PTR.
10330 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
10331 a potential dereference of PTR.
10333 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
10335 PR rtl-optimization/20370
10336 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
10337 call allocate_reg_info if necessary.
10339 PR rtl-optimization/21848
10340 * calls.c (emit_library_call_value_1): For const functions, add
10341 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
10343 PR rtl-optimization/22445
10344 * cselib.c (target.h): Include.
10345 (rtx_equal_for_cselib_p): Allow commutative matches.
10346 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
10347 Remove MODE parameter. Changed all callers.
10349 PR rtl-optimization/22258
10350 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
10352 (try_combine): Use likely_spilled_retval_p.
10354 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
10356 * config.gcc: Add crx-elf support.
10358 * doc/contrib.texi: Mention crx.
10359 * doc/extend.texi: Document crx extensions.
10360 * doc/install.texi: Document crx install.
10361 * doc/invoke.texi: Document crx options.
10362 * doc/md.texi: Document crx constraints.
10364 * config/crx/crx-protos.h: New file.
10365 * config/crx/crx.c: New file.
10366 * config/crx/crx.h: New file.
10367 * config/crx/crx.md: New file.
10368 * config/crx/crx.opt: New file.
10369 * config/crx/t-crx: New file.
10371 2005-07-22 Manfred Hollstein <mh@suse.com>
10373 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
10375 (int_add_graph_edge): Likewise.
10376 (collapse_nodes): Likewise.
10377 (process_unification_queue): Likewise.
10379 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10380 Laurent GUERBY <laurent@guerby.net>
10382 PR tree-optimization/22336
10383 * function.c (record_block_change): Check for
10384 cfun->ib_boundaries_block.
10386 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
10388 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
10389 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
10391 2005-07-21 DJ Delorie <dj@redhat.com>
10393 * toplev.c (warn_deprecated_use): Add warning control to warning
10395 * c-typeck.c (parser_build_binary_op): Likewise.
10396 (c_finish_if_stmt): Likewise.
10397 * c-common.c (check_function_sentinel): Likewise.
10398 (check_nonnull_arg): Likewise.
10400 2005-07-21 Richard Henderson <rth@redhat.com>
10403 * tree-complex.c (complex_ssa_name_components): New.
10404 (cvc_lookup): Allow entry not found.
10405 (create_components): Remove.
10406 (create_one_component_var, get_component_var): New.
10407 (get_component_ssa_name, set_component_ssa_name): New.
10408 (extract_component): Use get_component_ssa_name.
10409 (update_complex_components): Use set_component_ssa_name.
10410 (update_complex_components_on_edge): Likewise.
10411 (update_phi_components): Create new PHI nodes directly, instead
10412 of adding insns to edges.
10413 (tree_lower_complex): Allocate and free complex_variable_components
10414 and complex_ssa_name_components here.
10416 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
10418 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
10419 revert to returning false.
10421 2005-07-21 Uros Bizjak <uros@kss-loka.si>
10424 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
10426 2005-07-21 Uros Bizjak <uros@kss-loka.si>
10429 * config/i386/i386.md (cmpxf): Change operand constraints
10430 to "nonmemory_operand".
10432 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10434 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
10436 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10438 PR middle-end/21180
10439 * fold-const.c (fold_build1): Add checksum for the operands.
10440 (fold_build2): Likewise.
10441 (fold_build3): Likewise.
10443 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10445 PR middle-end/19055
10446 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
10448 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10450 * common.opt (-fforward-propagate): Committed by mistake,
10453 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10455 * reg-stack.c: Fix comment typo(s).
10456 * tree-ssa-operands.c: Likewise.
10457 * tree-vectorizer: Likewise.
10459 2005-07-21 Nick Clifton <nickc@redhat.com>
10461 * config/sh/symbian.c: Replace C++ style line comments with C
10462 style line comments.
10463 (symbian_add_attribute): Do not use a ? operator on the LHS of
10465 (sh_symbian_handle_dll_attribute): Change the type of the
10466 method vector to "VEC(tree,gc)*" and use vector accessor
10467 macros to walk over the elements.
10468 (symbian_export_vtable_and_rtti_p): Likewise.
10469 (symbian_class_needs_attribute_p): Likewise.
10471 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10474 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
10475 initialize targetm.resolve_overloaded_builtin here.
10476 (altivec_expand_overloaded_builtin): Make it non-static.
10477 * config/rs6000/rs6000-protos.h
10478 (altivec_expand_overloaded_builtin): New prototype.
10479 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
10480 targetm.resolve_overloaded_builtin here.
10481 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
10483 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10484 Zdenek Dvorak <dvorakz@suse.cz>
10486 PR tree-optimization/19210
10487 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
10489 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
10490 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
10491 rely on unproven assumptions.
10492 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
10493 * tree-flow.h (number_of_iterations_exit): Add final parameter.
10494 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
10495 to number_of_iterations_exit.
10496 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
10497 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
10498 * tree-ssa-loop-niter.c (find_loop_niter,
10499 estimate_numbers_of_iterations_loop): Likewise.
10500 (number_of_iterations_exit): Honor the new options.
10501 * doc/invoke.texi (Wunsafe-loop-optimizations,
10502 funsafe-loop-optimizations): Document them.
10504 2005-07-21 Richard Sandiford <richard@codesourcery.com>
10506 PR rtl-optimization/22167
10507 * gcse.c (hoist_code): Fix hoist_exprs[] check.
10509 2005-07-20 Adam Nemet <anemet@lnxw.com>
10511 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
10512 __do_global_dtors_aux longcall.
10514 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
10516 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
10517 (old_special_pred_table): Don't reference
10518 SPECIAL_MODE_PREDICATES.
10519 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
10520 * config/arc/arc.h: Don't mention PREDICATE_CODES.
10521 * config/sh/predicates.h: Don't mention
10522 SPECIAL_MODE_PREDICATES.
10523 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
10526 2005-07-20 DJ Delorie <dj@redhat.com>
10528 * config.gcc: Add m32c-elf support.
10530 * doc/contrib.texi: Mention m32c.
10531 * doc/extend.texi: Document m32c extensions.
10532 * doc/install.texi: Mention m32c.
10533 * doc/invoke.texi: Document m32c options.
10534 * doc/md.texi: Document m32c constraints.
10536 * config/m32c/addsub.md: New file.
10537 * config/m32c/bitops.md: New file.
10538 * config/m32c/cond.md: New file.
10539 * config/m32c/jump.md: New file.
10540 * config/m32c/m32c-lib1.S: New file.
10541 * config/m32c/m32c-lib2.c: New file.
10542 * config/m32c/m32c-modes.def: New file.
10543 * config/m32c/m32c-pragma.c: New file.
10544 * config/m32c/m32c-protos.h: New file.
10545 * config/m32c/m32c.abi: New file.
10546 * config/m32c/m32c.c: New file.
10547 * config/m32c/m32c.h: New file.
10548 * config/m32c/m32c.md: New file.
10549 * config/m32c/m32c.opt: New file.
10550 * config/m32c/minmax.md: New file.
10551 * config/m32c/mov.md: New file.
10552 * config/m32c/muldiv.md: New file.
10553 * config/m32c/predicates.md: New file.
10554 * config/m32c/prologue.md: New file.
10555 * config/m32c/shift.md: New file.
10556 * config/m32c/t-m32c: New file.
10558 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10560 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
10561 (stack_protect_set, stack_protect_test): New expanders.
10562 (stack_protect_set_si, stack_protect_set_si_media,
10563 stack_protect_set_di_media, stack_protect_test_si,
10564 stack_protect_test_si_media, stack_protect_test_di_media):
10567 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
10569 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10571 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
10573 * tree.h (tree_expr_nonzero_p): Export.
10574 * fold-const.c (tree_expr_nonzero_p): Likewise.
10575 Return true for CALL_EXPRs that are alloca calls.
10576 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10578 * tree-flow.h (expr_computes_nonzero): Remove.
10579 * tree-vrp.c (expr_computes_nonzero): Remove.
10580 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10581 (extract_range_from_unary_expr): Likewise.
10582 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10583 tree_expr_nonzero_p.
10585 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
10587 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10588 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
10589 extra arg "picreg" and use it instead of pic_offset_table_rtx.
10590 All callers changed.
10591 (frame_related_constant_load): New arg "related" which controls
10592 setting of RTX_FRAME_RELATED_P. All callers changed.
10593 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10594 (bfin_expand_prologue): Add stack limit checking.
10595 * config/bfin/bfin.md (trapifcc): New pattern.
10597 * config/bfin/bfin.c: Include "langhooks.h".
10598 (def_builtin): Go through lang_hooks to call builtin_function.
10600 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10601 * config/bfin/predicates.md (symbol_ref_operand): New.
10602 (call_insn_operand): Delete. All callers changed to use
10603 register_no_elim_operand.
10604 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10606 (function_arg): Use it to generate the call's operand 2.
10607 (bfin_longcall_p): New function.
10608 (bfin_expand_call): Extra arg "cookie". All callers and declaration
10609 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
10610 determine if the address needs to be in a REG.
10611 (bfin_handle_longcall_attribute): New function.
10612 (bfin_attribute_table): Add "longcall" and "shortcall".
10613 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10614 (CUMULATIVE_ARGS): New member call_cookie.
10615 (PREDICATE_CODES): Add symbol_ref_operand.
10616 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10617 extra USE to the pattern.
10618 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10619 New patterns, split off call_insn, sibcall_insn, call_value_insn and
10620 sibcall_value_insn; now the new patterns handle direct calls and the
10621 old ones indirect calls.
10622 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10624 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
10626 * doc/trouble.texi: Update section on handling of empty loops.
10628 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
10630 * config.gcc: Remove support for sparc-*-openbsd*,
10631 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10633 * config.host: Remove support for i860-*-sysv4* as a host.
10634 * config/i860/*, config/ip2k/*, config/ns32k/*,
10635 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10636 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10637 mention obsolete ports.
10639 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10641 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10642 soft frame pointer.
10643 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10644 of frame_pointer_rtx.
10645 (sh_expand_epilogue): Likewise.
10646 (sh_set_return_address): Likewise.
10647 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10648 instead of FRAME_POINTER_REGNUM if needed. Add elimination
10649 offsets from FRAME_POINTER_REGNUM.
10650 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10651 (sh_register_names): Add initializer for sfp.
10652 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10653 (VALID_REGISTER_P): Likewise.
10654 (FIRST_PSEUDO_REGISTER): Update.
10655 (DWARF_FRAME_REGISTERS): Define.
10656 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10657 (HARD_FRAME_POINTER_REGNUM): Define.
10658 (FRAME_POINTER_REGNUM): Redefine.
10659 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10660 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
10661 from FRAME_POINTER_REGNUM.
10662 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10663 FRAME_POINTER_REGNUM.
10664 (REG_CLASS_CONTENTS): Add sfp.
10665 (REG_ALLOC_ORDER): Likewise.
10666 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
10667 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10668 of frame_pointer_rtx.
10669 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10671 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
10673 * fold-const.c (tree_expr_nonnegative_p): Only return true for
10674 ABS_EXPR when flag_wrapv is false because of INT_MIN.
10675 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10677 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10680 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
10682 Make CONSTRUCTOR use VEC to store initializers.
10683 * c-common.c (complete_array_type): Update to cope with VEC in
10685 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10686 (pp_c_constructor_elts): New function.
10687 * c-pretty-print.h (pp_c_constructor_elts): Declare.
10688 * c-typeck.c (build_function_call, build_c_cast, digest_init,
10689 struct constructor_stack, struct initializer_stack,
10690 constructor_elements, push_init_level, pop_init_level,
10691 add_pending_init, find_init_member, output_init_element): Update to
10692 cope with VEC in CONSTRUCTOR_ELTS.
10693 * coverage.c (build_fn_info_value, build_ctr_info_value,
10694 build_gcov_info): Likewise.
10695 * expr.c (categorize_ctor_elements_1, store_constructor,
10696 expand_expr_real_1): Likewise.
10697 * fold-const.c (fold_ternary): Likewise.
10698 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10699 gimplify_init_constructor, gimplify_expr): Likewise.
10700 * tree-dump.c (dequeue_and_dump): Likewise.
10701 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10703 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10705 * tree-sra.c (generate_element_init_1): Likewise.
10706 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10707 * tree-ssa-operands.c (get_expr_operands): Likewise.
10708 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10709 * tree-vect-transform.c (vect_get_vec_def_for_operand):
10710 (get_initial_def_for_reduction): Likewise.
10711 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10712 value handle in annotations.
10713 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10714 tree_node_structure): Add support for constr_kind.
10715 (build_vector_from_ctor, build_constructor_single,
10716 build_constructor_from_list): New functions.
10717 (build_constructor): Update to take a VEC instead of a TREE_LIST.
10718 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10719 Update to cope with VEC in CONSTRUCTOR_ELTS.
10720 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10721 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10722 CONSTRUCTOR_APPEND_ELT): New macros.
10723 (struct constructor_elt, struct tree_constructor): New data types.
10724 (union tree_node): Add tree_constructor field.
10725 * treestruct.def: Define TS_CONSTRUCTOR.
10726 * varasm.c (const_hash_1, compare_constant, copy_constant,
10727 compute_reloc_for_constant, output_addressed_constants,
10728 initializer_constant_valid_p, output_constant,
10729 array_size_for_constructor, output_constructor): Update to cope with
10730 VEC in CONSTRUCTOR_ELTS.
10731 * vec.h (VEC_empty, VEC_copy): New macros.
10733 2005-07-19 Devang Patel <dpatel@apple.com>
10735 * dbxout.c (dbxout_type): Check Objective-C++ lang.
10737 2005-07-19 Richard Henderson <rth@redhat.com>
10740 * gimplify.c (gimplify_expr): Use main variant type for the temp
10741 destination for a discarded volatile read.
10742 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10743 casts between non-void types that change volatility.
10745 2005-07-15 DJ Delorie <dj@redhat.com>
10747 * toplev.h: Add comment about the first parameter for warning().
10748 * errors.h: Likewise.
10750 * c.opt (Wpragmas): New.
10751 * doc/invoke.texi: Document it.
10753 * function.c (do_warn_unused_parameter): Add warning control to
10755 * c-decl.c (warn_if_shadowing): Likewise.
10756 * c-lex.c (cb_def_pragma): Likewise.
10757 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10758 (pop_alignment): Likewise.
10759 (handle_pragma_pack): Likewise.
10760 (apply_pragma_weak): Likewise.
10761 (handle_pragma_weak): Likewise.
10762 (handle_pragma_redefine_extname): Likewise.
10763 (add_to_renaming_pragma_list): Likewise.
10764 (handle_pragma_extern_prefix): Likewise.
10765 (maybe_apply_renaming_pragma): Likewise.
10766 (handle_pragma_visibility): Likewise.
10768 * config/c4x/c4x-c.c (BAD): Likewise.
10769 (c4x_parse_pragma): Likewise.
10770 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10771 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10772 (rs6000_pragma_longcall): Likewise.
10773 * config/v850/v850-c.c (pop_data_area): Likewise.
10774 (ghs_pragma_section): Likewise.
10775 (ghs_pragma_section): Likewise.
10776 (ghs_pragma_interrupt): Likewise.
10777 (ghs_pragma_starttda): Likewise.
10778 (ghs_pragma_startsda): Likewise.
10779 (ghs_pragma_startzda): Likewise.
10780 (ghs_pragma_endtda): Likewise.
10781 (ghs_pragma_endsda): Likewise.
10782 (ghs_pragma_endzda): Likewise.
10784 2005-07-19 Danny Berlin <dberlin@dberlin.org>
10785 Kenneth Zadeck <zadeck@naturalbridge.com>
10787 * Makefile.in: Removed tree-promote-statics.c
10788 * tree-promote-statics.c: Removed.
10789 * common.opt: Removed flag-promote-statics.
10791 * passes.c: Removed tree-promote-statics pass.
10792 * tree-pass.h: Ditto.
10793 * timevar.def: Removed TV_PROMOTE_STATICS.
10796 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
10798 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10800 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10802 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10805 * c-common.c (check_function_arguments): Call
10806 'check_function_format' if either -Wformat or
10807 -Wmissing-format-attribute are specified.
10808 * c-format.c (check_function_format): Check -Wformat before
10809 calling 'check_format_info'.
10810 * c-opts.c (c_common_post_options): Don't warn for
10811 -Wmissing-format-attribute without -Wformat.
10812 * c-typeck.c (convert_for_assignment): Detect additional cases for
10813 -Wmissing-format-attribute.
10814 * doc/invoke.texi (-Wmissing-format-attribute): Document new
10817 2005-07-19 Richard Guenther <rguenther@suse.de>
10819 * config/i386/i386.md (lrint<mode>2): Use temporary
10820 instead of clobbering non-existent memory.
10822 2005-07-19 Nick Clifton <nickc@redhat.com>
10824 * config/avr/avr.c (legitimate_address_p): Fix debugging print
10825 statement to avoid displaying ASCII control characters.
10827 2005-07-19 Ben Elliston <bje@au.ibm.com>
10829 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10830 * cfganal.c (find_edge_index): Ditto.
10831 * combine.c (combine_instructions): Ditto.
10832 * ddg.c (create_scc): Ditto.
10833 (find_successors): Ditto.
10834 (find_predecessors): Ditto.
10835 (find_nodes_on_paths): Ditto.
10836 (longest_simple_path): Ditto.
10837 * flow.c (update_life_info): Ditto.
10838 (count_or_remove_death_notes): Ditto.
10839 (clear_log_links): Ditto.
10840 * modulo-sched.c (generate_reg_moves): Ditto.
10841 (find_max_asap): Ditto.
10842 (find_max_hv_min_mob): Ditto.
10843 (find_max_dv_min_mob): Ditto.
10844 * sbitmap.c (sbitmap_first_set_bit): Ditto.
10845 * sched-rgn.c (extract_edgelst): Ditto.
10846 * tree-into-ssa.c (prepare_names_to_update): Ditto.
10847 (dump_update_ssa): Ditto.
10848 (ssa_names_to_replace) Ditto.
10849 (switch_virtuals_to_full_rewrite): Ditto.
10850 (update_ssa): Ditto.
10851 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10853 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
10855 Fix PR tree-optimization/22483
10857 * tree-complex.c (create_components): Use
10858 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10859 * tree-flow-inline.h (fill_referenced_var_vec): New function.
10860 * tree-flow.h (safe_referenced_var_iterator): New structure.
10861 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10862 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10863 safe_referenced_var iterator.
10864 (add_type_alias): Ditto.
10866 2005-07-19 Steven Bosscher <stevenb@suse.de>
10868 * loop-init.c (rest_of_handle_loop2): Remove.
10869 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10870 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10871 (pass_rtl_loop_init, pass_rtl_loop_done,
10872 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10873 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10874 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10875 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10876 pass_tree_loop_done, and pass_tree_unswitch.
10877 (gate_loop): Rename to gate_tree_loop.
10878 * passes.c (init_optimization_passes): Update for renamed tree
10879 loop passes. Add the new loop2 passes as subpasses of loop2.
10880 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10881 Update for the renamed tree loop passes.
10883 2005-07-18 Ian Lance Taylor <ian@airs.com>
10885 PR middle-end/22057
10886 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10887 blocks when optimizing.
10889 2005-07-18 Steve Ellcey <sje@cup.hp.com>
10891 * common.opt (frename-registers): Initialize to 2.
10893 (fgcse-after-reload): Ditto.
10894 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10895 (process_options): Only change flag_web, flag_rename_registers,
10896 and flag_rerun_cse_after_loop if not explicitly set by user.
10898 2005-07-18 Jan Beulich <jbeulich@novell.com>
10900 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10901 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10902 in 64-bit mode the same as DImode in 32-bit mode.
10903 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10904 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10905 mode. Add new mode parameter.
10906 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10907 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10908 x86_64_shift_adj): New expanders.
10909 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10910 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10912 Respective new splitters. Use renamed shift splitter helpers in 32-bit
10913 DImode shift splitters.
10914 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10915 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10918 2005-07-18 Jan Beulich <jbeulich@novell.com>
10920 * i386.md (movdi_extzv_1): New.
10921 (zero_extendhidi2): Combine alternatives and never force use of
10923 (zero_extendqidi2): Likewise. Don't restrict input selection.
10925 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10927 Fix PR tree-optimization/22531
10928 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
10931 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10933 * tree-promote-statics.c (pass_promote_statics): Change dump file
10936 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10938 * tree-optimize.c (init_tree_optimization_passes): Add
10939 pass_eliminate_useless_stores pass.
10940 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10941 * tree-ssa-pre.c (is_copy_stmt): New function.
10942 (follow_copies_till_vuse): Ditto.
10943 (do_eustores): Ditto.
10944 (gate_eustores): Ditto.
10946 2005-07-16 Richard Henderson <rth@redhat.com>
10948 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10950 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10951 Kenneth Zadeck <zadeck@naturalbridge.com>
10953 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10954 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10955 ipa-type-escape.h, tree-promote-statics.c
10956 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10957 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10958 tree-promote-statics.c: new files.
10959 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10960 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10961 int nonlocal_set_p, mark_constant_function): Deleted.
10962 (rest_of_handle_cfg): Removed call to mark_constant_function.
10963 (nonoverlapping_component_refs_p): Added calls to support
10964 type based aliasing.
10965 * tree-ssa-alias.c (may_alias_p,
10966 compute_flow_insensitive_aliasing): Ditto.
10967 * calls.c (flags_from_decl_or_type): Removed reference to
10969 * c-typeck.c (convert_arguments): Make builtins tolerant of having
10970 too many arguments. This is necessary for Spec 2000.
10971 * cgraph.h (const_function, pure_function): Removed.
10972 * common.opt: Added "fipa-pure-const", "fipa-reference",
10973 "fipa-type-escape", and "ftree-promote-static".
10975 * passes.c: Added ipa and tree-promote-statics passes.
10976 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10977 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10978 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10979 * tree-flow.h: Added exposed sra calls and addition of
10980 reference_vars_info field for FUNCTION_DECLS.
10981 * tree-pass.h: Added passes.
10982 * tree-sra.c: (sra_init_cache): New function.
10983 (sra_insert_before, sra_insert_after) Made public.
10984 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10986 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10987 aliasing. (may_alias_p): Added code to use type escape analysis to
10988 improve alias sets.
10989 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10990 code to prune clobbers of static variables based on information
10991 produced in ipa-reference pass. Changed call clobbering so that
10992 statics are not marked as clobbered if the call does not clobber
10995 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
10997 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
11000 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11002 * doc/install.texi (*-*-solaris2*): Document recommended version
11003 of GNU binutils and mention GNU linker problem on Solaris 10.
11005 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
11008 * c-decl.c (c_build_bitfield_integer_type): New function.
11009 (finish_struct): Call it.
11010 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
11012 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11014 * c-typeck.c (digest_init): Call 'convert_for_assignment'
11017 2005-07-16 Jan Hubicka <jh@suse.cz>
11019 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
11020 (scale_bbs_frequencies_int): Watch roundoff errors.
11021 * predict.c (return_prediction): Initialize return_stmt.
11023 2005-07-16 Jan Hubicka <jh@suse.cz>
11025 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
11026 after RTL profiling.
11028 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
11030 PR middle-end/22398
11031 * fold-const.c (build_range_check): Convert high/low to etype
11032 if we are only comparing against exp.
11034 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
11036 Fix PR tree-optimization/22376
11037 * tree-ssa-structalias.c (build_constraint_graph): We really meant
11039 (need_to_solve): New function.
11040 (compute_points_to_sets): Use it.
11042 2005-07-15 Jan Hubicka <jh@suse.cz>
11044 * cfg.c (update_bb_profile_for_threading): More diagnostic.
11045 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
11047 2005-07-15 Richard Guenther <rguenther@suse.de>
11049 * c-common.c (handle_flatten_attribute): New function.
11050 Add flatten function attribute.
11051 * doc/extend.texi: Document flatten function attribute.
11052 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
11053 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
11055 (cgraph_decide_inlining): Handle functions with flatten
11058 2005-07-14 David Edelsohn <edelsohn@gnu.org>
11060 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
11061 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
11062 UNSPEC_XCHG, UNSPEC_AND): New.
11063 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
11064 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
11065 * config/rs6000/sync.md (FETCHOP): New code macro.
11066 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
11068 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
11069 (sync_compare_and_swap<mode>): Same.
11070 (sync_lock_test_and_set<mode>): Same.
11071 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
11072 for QImode and HImode, and not PPC405.
11073 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
11074 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
11075 (sync_<fetchop>{si,di}_internal): New.
11076 (sync_nand{si,di}_internal): New.
11077 (sync_old_<fetchop>{si,di}_internal): New.
11078 (sync_old_nand{si,di}_internal): New
11079 (sync_new_<fetchop>{si,di}_internal): New.
11080 (sync_new_nand{si,di}_internal): New.
11081 (atomic_and{si,di}): New.
11082 (sync_new_nand{si,di}_internal): New.
11083 (atomic_and{si,di}): New.
11084 (sync_add<mode>_internal): Delete.
11085 (sync_addshort_internal): Use unspec instead of unspec_volatile.
11086 (sync_sub<mode>_internal): Delte.
11087 (sync_subshort_internal): New.
11088 (sync_andsi_internal): Use unspec instead of unspec_volatile.
11089 (sync_anddi_internal): Delete.
11090 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
11091 (sync_booldi_internal): Delete.
11092 (sync_boolc<mode>_internal): Delete.
11093 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
11094 (sync_boolc<mode>_internal2): Delete.
11095 (sync_boolcc<mode>_internal): Delete.
11096 (isync, lwsync): Use unspec instead of unspec_volatile.
11097 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
11098 Revert UNSPEC_VOLATILE.
11099 (rs6000_split_atomic_op): New.
11100 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
11102 2005-07-14 Eric Christopher <echristo@redhat.com>
11104 * config/mips/mips.c (mips_canonicalize_comparison): Cast
11105 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
11107 2005-07-14 Eric Christopher <echristo@redhat.com>
11109 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
11111 2005-07-14 Steven Bosscher <stevenb@suse.de>
11113 PR tree-optimization/22230
11114 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
11115 the computation of the four cross productions for "range op range".
11117 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
11118 Ulrich Weigand <uweigand@de.ibm.com>
11121 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
11124 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
11126 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
11128 2005-07-14 Steve Ellcey <sje@cup.hp.com>
11130 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
11132 2005-07-14 Richard Guenther <rguenther@suse.de>
11134 PR middle-end/22347
11135 * config/i386/i386-protos.h (ix86_function_value): Change
11136 prototype to match new target hook.
11137 * config/i386/i386.c (ix86_value_regno): Change prototype
11138 to take extra type argument.
11139 (TARGET_FUNCTION_VALUE): Define.
11140 (ix86_function_ok_for_sibcall): Pass extra argument to
11141 ix86_value_regno, check return slot rtx for exact match.
11142 (ix86_function_value): Take extra parameter. Dispatch to
11143 ix86_value_regno with fndecl/fntype as provided.
11144 (ix86_value_regno): Handle extra type argument.
11145 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
11147 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
11148 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
11149 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
11150 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
11151 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
11153 2005-07-14 Richard Guenther <rguenther@suse.de>
11155 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
11156 * calls.c (expand_call): Pass fntype to hard_function_value.
11157 (emit_library_call_value_1): Likewise.
11158 * explow.c: Include target.h.
11159 (hard_function_value): Take extra argument, the fntype.
11160 Use new target hook for function_value.
11161 * expr.h (hard_function_value): Change prototype.
11162 * function.c (aggregate_value_p): Pass 0 as fntype to
11163 hard_function_value.
11164 (assign_parms): Use new target hook for function_value.
11165 Pass 0 as fntype to hard_function_value.
11166 (expand_function_end): Likewise.
11167 * reg-stack.c: Include target.h.
11168 (stack_result): Use new target hook for function_value.
11169 * target-def.h: New target hook function_value.
11170 * target.h: Likewise.
11171 * targhooks.c (default_function_value): New function.
11172 * targhooks.h (default_function_value): Declare.
11174 2005-07-13 Ian Lance Taylor <ian@airs.com>
11176 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
11178 2005-07-14 Jan Hubicka <jh@suse.cz>
11180 * tree-dfa.c (dump_variable): Use default_def function.
11181 * tree-ssa-alias.c (dump_points_to_info): Likewise.
11182 * tree-ssa.c (verify_use): Likewise.
11183 * tree-ssanames.c (release_ssa_name): Likewise.
11184 * tree-tailcall.c (eliminate_tail_call): Likewise.
11185 (tree_optimize_tail_calls_1): Likewise.
11186 * tree-vrp.c (get_value_range): Likewise.
11188 2005-07-14 Ben Elliston <bje@au.ibm.com>
11190 * gcc.c (main): Compare language[0] with '*' when iterating over
11193 2005-07-13 Adrian Straetling <straetling@de.ibm.com>
11195 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
11196 "s390_emit_compare". Add handling of CCZ1mode.
11197 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
11198 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
11200 (s390_branch_condition_mask): Add CCZ1mode handling.
11201 * config/s390/s390.md: ("seq", "*seq"): New pattern.
11202 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
11203 Use CCZ1mode instead of CCZmode.
11204 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
11206 2005-07-13 Adrian Straetling <straetling@de.ibm.com>
11208 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
11210 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
11212 2005-07-13 Eric Christopher <echristo@redhat.com>
11214 * config/mips/mips.c (mips_canonicalize_comparison): New.
11215 (mips_emit_int_relational): Use.
11217 2005-07-13 Eric Christopher <echristo@redhat.com>
11219 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11220 static extra parts.
11221 * config/s390/s390.md: Include tpf.md. Move tpf specific
11223 * config/s390/tpf.md: To here.
11224 * config/s390/s390.opt: Move tpf specific options...
11225 * config/s390/tpf.opt: to here. Add mmain option.
11226 * config/s390/tpf-unwind.h: Remove unnecessary defines.
11227 * config/s390/tpf.h: Rewrite.
11229 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
11231 * doc/tm.texi: Remove @xref{Cross-profiling}.
11233 2005-07-13 Jeff Law <law@redhat.com>
11235 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
11236 expressions, test their _DECL operands for pointer equality rather
11237 than using operand_equal_p.
11239 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
11241 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
11242 (TARGET_POSIX_IO): This.
11243 * config/darwin.h: Likewise.
11244 * config/freebsd.h: Likewise.
11245 * config/linux.h: Likewise.
11246 * config/lynx.h: Likewise.
11247 * config/netbsd.h: Likewise.
11248 * config/rs6000/linux64.h: Likewise.
11249 * config/rs6000/linux.h: Likewise.
11250 * config/s390/tpf.h: Likewise.
11251 * config/sh/embed-elf.h: Likewise.
11252 * config/sparc/linux64.h: Likewise.
11253 * config/sparc/linux.h: Likewise.
11254 * config/svr4.h: Likewise.
11255 * gcov-io.h: Likewise.
11257 * doc/tm.texi: Updated.
11259 * libgcov.c (create_file_directory): Defined only if
11260 TARGET_POSIX_IO is defined.
11261 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
11264 2005-07-13 Jan Hubicka <jh@suse.cz>
11266 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
11268 2005-07-13 David Edelsohn <edelsohn@gnu.org>
11270 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
11271 structure as argument.
11273 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
11275 PR tree-optimization/21921
11276 * tree-iterator.c (tsi_link_before): Support the case when
11277 tsi_end_p (tsi) == true.
11279 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11281 PR tree-optimization/22442
11282 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
11285 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11287 PR rtl-optimization/20376
11288 * toplev.c (process_options): Enable -fweb and -frename-registers when
11290 * doc/invoke.texi: Update the information about when -fweb and
11291 -frename-registers are enabled.
11293 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11296 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
11297 if *rhs_p is not a SSA_NAME.
11299 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
11301 Fix PR tree-optimization/22422
11302 * tree-ssa-structalias.c (struct variable_info): Add flag for
11304 (get_varinfo): Now a static function.
11305 (new_varinfo): init has_union and is_special_var to false.
11306 (solution_set_add): Check has_union.
11307 (do_da_constraint): Move temporary variable so it gets reset
11309 Also check for special variable.
11310 (do_ds_constraint): Ditto.
11311 (do_sd_constraint): Ditto.
11312 (do_structure_copy): Check for special variable.
11313 (find_func_aliases): Ditto.
11314 (init_base_vars): Set special vars properly.
11316 2005-07-13 Jan Hubicka <jh@suse.cz>
11318 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
11321 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
11322 (get_expr_operands): Fix thinko wrt flags and subvars.
11324 PR tree-optimize/22379
11325 * tree-inline.c (expand_call_inline): Do not output sorry in early
11328 2005-07-12 Dale Johannesen <dalej@apple.com>
11330 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
11332 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11335 * host-linux.h: Include limits.h.
11337 2005-07-12 Dale Johannesen <dalej@apple.com>
11339 * expr.c (compress_float_constant): Add cost check.
11340 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
11342 2005-07-12 Dale Johannesen <dalej@apple.com>
11344 * gcc.target/i386/compress-float-sse.c: New.
11345 * gcc.target/i386/compress-float-sse-pic.c: New.
11346 * gcc.target/i386/compress-float-387.c: New.
11347 * gcc.target/i386/compress-float-387-pic.c: New.
11348 * gcc.dg/compress-float-ppc.c: New.
11349 * gcc.dg/compress-float-ppc-pic.c: New.
11351 2005-07-12 Eric Christopher <echristo@redhat.com>
11353 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11354 static extra parts.
11355 * config/s390/s390.md: Include tpf.md. Move tpf specific
11357 * config/s390/tpf.md: To here.
11358 * config/s390/s390.opt: Move tpf specific options...
11359 * config/s390/tpf.opt: to here. Add mmain option.
11360 * config/s390/tpf-unwind.h: Remove unnecessary defines.
11361 * config/s390/tpf.h: Rewrite.
11363 2005-07-12 Eric Christopher <echristo@redhat.com>
11365 * gcc.c (struct infile): Update comment for language.
11366 (main): Rewrite input file resetting code.
11368 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11371 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
11372 requiring a cast in a non RHS of modify_expr. Add a cast when required.
11373 (lookup_avail_expr): Use constant_boolean_node instead
11374 of boolean_false_node/boolean_true_node.
11376 2005-07-12 Ben Elliston <bje@au.ibm.com>
11378 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
11379 and use it when printing num_edges.
11381 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
11383 * doc/extend.texi (Blackfin Built-in Functions): New section.
11384 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
11387 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
11389 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
11390 s/cmpstrsi/cmpstrnsi
11391 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
11393 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
11394 (init_optabs): Initialize cmpstrn_optab.
11395 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
11396 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
11397 * expr.c: (enum insn_code cmpstrn_optab): Declare.
11398 * config/i386/i386.md: s/cmpstr/cmpstrn
11399 * config/c4x/c4x.md: s/cmpstr/cmpstrn
11400 * doc/md.texi: Update documentation.
11402 2005-07-11 Richard Henderson <rth@redhat.com>
11404 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
11405 build_va_arg_indirect_ref.
11406 (alpha_gimplify_va_arg): Likewise.
11407 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
11408 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11409 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
11410 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
11411 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11412 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
11414 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11416 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11418 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
11419 * passes.c (init_optimization_passes): Add pass_empty_loop.
11420 * tree-pass.h (pass_empty_loop): Declare.
11421 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
11422 try_remove_empty_loop, remove_empty_loops): New functions.
11423 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
11424 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
11426 2005-07-12 Peter Barada <peter@the-baradas.com>
11428 PR middle-end/16719
11429 PR middle-end/18421
11430 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
11431 in address registers.
11432 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
11433 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
11434 alternative of addsi3_5200.
11436 2005-07-11 Ian Lance Taylor <ian@airs.com>
11438 * config/mips/mips.md (ffs<mode>2): Remove.
11440 2005-07-11 Ian Lance Taylor <ian@airs.com>
11442 * doc/tree-ssa.texi (Cleanups): Improve description of
11444 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
11446 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
11448 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
11449 * tree.h (DECL_ARGUMENT_FLD): New macro.
11451 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
11453 Fix PR tree-optimization/22404
11455 * tree-ssa-structalias.c (create_variable_info_for): Use
11458 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
11460 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
11461 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
11462 for second comparison operand.
11463 * config/bfin/predicates.md (reg_or_const_int_operand): New.
11465 * config/bfin/bfin.md (define_attr "type"): Add "sync".
11466 (define_insn_reservation "alu"): Likewise.
11467 (csync, ssync): Now of type sync.
11468 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
11469 -mcsync-anomaly -mspecld-anomaly.
11470 * config/bfin/bfin.opt (mcsync): Remove.
11471 (mcsync-anomaly, mspecld-anomaly): Add.
11472 * config/bfin/bfin.c: Include "insn-codes.h".
11473 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
11474 (TARGET_DEFAULT_TARGET_FLAGS): New.
11475 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
11477 2005-07-11 Steven Bosscher <stevenb@suse.de>
11479 * basic-block.h: Give the BB flags enum a name, bb_flags.
11480 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
11481 * cfgcleanup.c (enum bb_flags): Remove here.
11482 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
11483 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
11484 (update_forwarder_flag): Likewise.
11485 (thread_jump): Likewise.
11486 (try_forward_edges): Likewise.
11487 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
11488 forwarder flags. Don't clear bb->aux for all basic blocks. Only
11489 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
11491 2005-07-11 Richard Guenther <rguenther@suse.de>
11493 * config/i386/i386.opt: New target option -msseregparm.
11494 * config/i386/i386.c (override_options): Error out for
11495 -msseregparm but no SSE support.
11496 (ix86_function_sseregparm): Check for global sseregparm.
11497 * doc/invoke.texi: Document -msseregparm.
11499 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11501 * config.gcc (m32r-*-linux*): Use the default extra_parts.
11502 (m32rle-*-linux*): Ditto.
11504 2005-07-11 Jakub Jelinek <jakub@redhat.com>
11506 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
11507 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
11510 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11512 PR middle-end/22239
11514 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
11515 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
11517 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
11519 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
11520 (varmap): Heapify varmap.
11521 (constraints): Heapify constraints.
11522 (struct constraint_graph): Heapify succs and preds.
11523 (constraint_vec_find): Update for heapification.
11524 (constraint_set_union): Ditto.
11525 (insert_into_complex): Ditto.
11526 (constraint_edge_vec_find): Ditto.
11527 (erase_graph_self_edge): Ditto.
11528 (add_graph_edge): Ditto.
11529 (get_graph_weights): Ditto.
11530 (merge_graph_nodes): Ditto.
11531 (build_constraint_graph): Ditto.
11532 (topo_visit): Ditto.
11533 (solve_graph): Ditto.
11534 (create_variable_info_for): Ditto.
11535 (init_base_vars): Ditto.
11536 (delete_points_to_sets): Free graph, varmap, and complex constraints.
11537 (condese_varmap_nodes): Free complex vector.
11538 (clear_edges_for_node): Clear succs and preds vector.
11540 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
11542 * tree-ssa-structalias.c (update_alias_info): Change counting of
11543 references to not include vdefs.
11545 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
11547 * tree-ssa-alias.c (free_used_part_map): Add missing free.
11548 (up_insert): Ditto.
11550 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11552 * pa.c (pa_commutative_p): Make PLUS commutative when
11553 TARGET_NO_SPACE_REGS is true.
11555 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11557 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
11558 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
11559 * tree-dfa.c (dump_subvars_for): New.
11560 (debug_subvars_for): New.
11561 (dump_variable): Show subvariables if VAR has them.
11562 * tree-flow-inline.h (get_subvar_at): New.
11563 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
11564 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
11566 (struct subvar): Change fields offset and size to unsigned
11568 (dump_subvars_for): Declare.
11569 (debug_subvars_for): Declare.
11570 (get_subvar_at): Declare.
11571 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11572 to unsigned HOST_WIDE_INT *.
11573 (overlap_subvar): Likewise.
11574 * tree-gimple.c (is_gimple_reg): Always return false for
11575 SFTs and memory tags.
11576 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11577 Update all callers.
11578 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11579 (compute_may_aliases): Call compute_points_to_sets.
11580 (collect_points_to_info_for): Remove.
11581 (compute_points_to_and_addr_escape): Remove.
11582 (delete_alias_info): Call delete_points_to_sets.
11583 (compute_flow_sensitive_aliasing): If the call to
11584 find_what_p_points_to returns false, call set_pt_anything.
11585 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11586 (set_pt_anything): Clear pi->pt_vars.
11587 (set_pt_malloc): Remove.
11588 (merge_pointed_to_info): Remove.
11589 (add_pointed_to_expr): Remove.
11590 (add_pointed_to_var): Remove.
11591 (collect_points_to_info_r): Remove.
11592 (is_escape_site): Make extern.
11594 (create_overlap_variables_for): Call it.
11595 * tree-ssa-copy.c (merge_alias_info): Never merge
11596 flow-sensitive alias information.
11597 * tree-ssa-operands.c (get_expr_operands): Adjust variables
11598 offset and size to be unsigned HOST_WIDE_INT.
11599 (add_to_addressable_set): Rename from note_addressable.
11600 Set TREE_ADDRESSABLE as the variables are added to the set.
11602 (add_stmt_operand): Do not try to micro-optimize unmodifiable
11603 operands into VUSEs when adding V_MAY_DEFs for members in an
11605 * tree-ssa-operands.h (add_to_addressable_set): Declare.
11606 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11607 (struct variable_info): Add bitfield is_heap_var.
11608 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11609 (new_var_info): Initialize is_heap_var.
11610 (get_constraint_for): Add HEAP variables to the symbol table.
11611 Mark them with is_heap_var.
11612 (update_alias_info): New. Taken mostly from the old
11613 compute_points_to_and_addr_escape.
11614 (handle_ptr_arith): New.
11615 (find_func_aliases): Call update_alias_info.
11616 Call handle_ptr_info for tcc_binary expressions.
11617 Call mark_stmt_modified.
11618 (create_variable_info_for): If DECL has subvars, do not create
11619 variables for its subvars. Always add all the fields.
11620 (set_uids_in_ptset): If the solution includes ANYOFFSET and
11621 SFTs, then add all the SFTs of the structure.
11622 If VI->DECL is an aggregate with subvariables, add the SFT at
11624 (find_what_p_points_to): If VI is an artificial variable,
11625 translate to bitfields in SSA_NAME_PTR_INFO.
11626 If the solution is empty, set pi->pt_vars to NULL
11627 (init_base_vars): Create ANYOFFSET.
11628 (compute_points_to_sets): Rename from create_alias_vars.
11630 (pass_build_pta): Remove.
11631 (delete_points_to_sets): Rename from delete_alias_vars.
11632 (pass_del_pta): Remove.
11633 * tree-ssa-structalias.h (struct alias_info): Move from
11635 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11636 NUM_REFERENCES_SET): Likewise.
11637 (compute_points_to_sets, delete_points_to_sets): Declare.
11639 2005-07-09 Richard Henderson <rth@redhat.com>
11641 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11642 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11643 alpha_split_lock_test_and_set_12): New functions.
11644 * config/alpha/alpha-protos.h: Update.
11645 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11646 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11647 * config/alpha/sync.md (I12MODE): New.
11648 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11649 (sync_<fetchop_name><I48MODE>): Likewise.
11650 (sync_nand<I48MODE>): Likewise.
11651 (sync_old_<fetchop_name><I48MODE>): Likewise.
11652 (sync_new_<fetchop_name><I48MODE>): Likewise.
11653 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11654 (sync_compare_and_swap<I48MODE>): Likewise.
11655 (sync_lock_test_and_set<I48MODE>): Likewise.
11656 (sync_compare_and_swap<I12MODE>): New.
11657 (sync_compare_and_swap<I12MODE>_1): New.
11658 (sync_lock_test_and_set<I12MODE>): New.
11659 (sync_lock_test_and_set<I12MODE>_1): New.
11661 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11665 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11667 2005-07-09 Jakub Jelinek <jakub@redhat.com>
11669 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11670 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11672 2005-07-09 Richard SAndiford <richard@codesourcery.com>
11675 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11677 2005-07-08 David Edelsohn <edelsohn@gnu.org>
11679 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11680 memory_operand constraint.
11681 (store_conditional_<mode>): Same.
11682 (sync_compare_and_swap<mode>): Same.
11683 (sync_lock_test_and_set<mode>): Same.
11685 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
11687 Rewrite PIC support to more closely model actual instructions.
11688 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11689 (cris_symbol): Remove prototypes for removed functions.
11690 (cris_pic_symbol_type_of, cris_valid_pic_const)
11691 (cris_expand_pic_call_address): Prototypes for new functions.
11692 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11694 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11696 <case ':'>: Add case for new punctuation character.
11697 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11698 emitting (extra) PIC modifier.
11699 <case UNSPEC>: Do not assert for PLT.
11700 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11701 (cris_expand_prologue, cris_expand_epilogue): Check
11702 for pic_offset_table_rtx usage instead of taking
11703 current_function_uses_pic_offset_table as the final word.
11704 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11705 Remove flag_pic difference.
11706 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11707 the moral equivalents of...
11708 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11710 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11711 (cris_handle_option): Mark ARG as unused.
11712 (cris_expand_pic_call_address): New worker function for "call",
11714 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11715 output PIC constructs here.
11716 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11717 as symbol-specific modifers, not whole or part of operands.
11718 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11719 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11720 constants and flag_pic.
11721 (CONSTANT_INDEX_P): Adjust for new functions.
11722 (enum cris_pic_symbol_type): New helper type.
11723 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11724 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11725 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11727 ("movsi"): Emit actual instructions for GOT and relative access.
11728 ("*movsi_got_load"): New pattern to set up the register holding
11730 ("*movsi_internal"): Operand 1 is not a plain general_operand.
11731 Adjust FIXME for 'S'.
11732 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11733 Use "movs" for -fpic cases.
11734 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11735 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11736 ("call", "call_value"): Just call cris_expand_pic_call_address for
11738 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11739 Remove special pattern.
11740 ("*expanded_call_side", "*expanded_call_value_side"): New
11742 (gotplt-to-plt, gotplt-to-plt-side-call)
11743 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11745 * config/cris/cris/predicates.md
11746 ("cris_general_operand_or_gotless_symbol"): Remove unused
11748 ("cris_general_operand_or_symbol"): Adjust for new functions.
11750 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11752 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11754 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
11756 * Makefile.in (TREE_H): Add treestruct.def.
11757 (c-decl.o): Add pointer-set.h
11758 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11759 visibility on regular DECL's.
11760 (merge_decls): Fix the copying of decl nodes of various types for
11761 the new structures. Don't update RTL, section name, weak status,
11762 etc, on DECL's without RTL.
11763 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11764 Don't check volatile on non-variable types.
11765 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11766 to check whether we have seen arguments.
11767 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11768 flag is checked before field (flag is common, field is not).
11769 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
11770 TS_DECL_COMMON could have an origin.
11771 (add_location_or_const_value_attribute): Don't check section name
11772 on non-var/function decls.
11773 (dwarf2out_var_location): Reverse order of tests.
11774 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11775 with DECL_WRTL_CHECK.
11776 * expmed.c (make_tree): rtl is now in decl_with_rtl.
11777 * fold-const.c (fold_binary): Don't check weakness on
11778 non-var/function decls.
11779 (tree_expr_nonzero_p): Ditto.
11780 (fold_checksum_tree): Use tree_decl_extra as sizeof
11782 * ggc-page.c (extra_order_size_table): Add sizes for
11783 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
11785 * gimplify.c (gimplify_bind_expr): Only set
11786 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11787 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11789 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11790 * langhooks.h (init_ts). New langhook.
11791 * passes.c (rest_of_decl_compilation): Reverse order of tests.
11792 * print-tree.c (print_node): Update to only print fields that
11793 exist in the structures the passed decl has.
11794 * toplev.c (wrapup_global_declarations): Don't reset
11795 DECL_DEFER_OUTPUT on DECL's that don't contain it.
11796 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11797 * tree-inline.c (remap_decl): Ditto.
11798 * tree-outof-ssa.c (create_temp): Reverse order of tests.
11799 * tree-pretty-print.c (print_declaration): Don't print
11800 DECL_REGISTER on things that don't contain it.
11801 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11802 non-var/function decls.
11803 * tree.c (tree_contains_struct): New structure.
11804 (init_priority_for_decl): New hashtable.
11805 (tree_int_map): New structure.
11806 (tree_int_map_eq): New function.
11807 (tree_int_map_marked_p): Ditto.
11808 (tree_int_map_hash): Ditto.
11809 (tree_map): Move to tree.h.
11810 (tree_map_eq): Externalize.
11811 (tree_map_hash): Ditto.
11812 (tree_map_marked_p): Ditto.
11813 (init_ttree): Set up tree_contains_struct and call langhook.
11814 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11815 (tree_code_size): Update for new structures.
11816 (tree_node_structure): Update for new structures.
11817 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11819 (copy_node_stat): Copy init priority.
11820 (build_decl_stat): Ditto for visibility.
11821 (ts_enum_names): New.
11822 (tree_contains_struct_check_failed): New function.
11823 (decl_init_priority_lookup): Ditto.
11824 (decl_init_priority_insert): Ditto.
11825 * treestruct.def: New file.
11826 * tree.h (CODE_CONTAINS_STRUCT): New macro.
11827 (CONTAINS_STRUCT_CHECK): Ditto.
11828 (tree_contains_struct_check_failed): New prototype.
11829 (DECL_CHECK): Removed.
11830 (DECL_MINIMAL_CHECK): New.
11831 (DECL_COMMON_CHECK): Ditto.
11832 (DECL_WRTL_CHECK): Ditto.
11833 (DECL_NON_COMMON_CHECK): Ditto.
11834 (DECL_WITH_VIS_CHECK): Ditto.
11835 (VAR_OR_FUNCTION_DECL_P): Ditto
11836 (struct tree_decl_minimal): New structure.
11837 (struct tree_decl_common): Ditto.
11838 (struct tree_decl_with_rtl): Ditto.
11839 (struct tree_decl_with_vis): Ditto.
11840 (struct tree_decl_non_common): Ditto.
11841 (struct tree_field_decl): Ditto.
11842 (struct tree_parm_decl): Ditto.
11843 (struct tree_var_decl): Ditto.
11844 (struct tree_function_decl): Ditto.
11845 (struct tree_const_decl): Ditto.
11846 (struct tree_result_decl): Ditto.
11847 (union tree_node): Add new structures.
11848 * var-tracking.c (track_expr_p): Reverse order of tests.
11850 * doc/c-tree.texi: Add documentation on DECL node internal structure.
11852 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11854 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11855 * system.h: Poison FINALIZE_PIC.
11856 * doc/tm.texi (FINALIZE_PIC): Remove.
11858 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11861 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11862 to the correct type if we have a MODIFY_EXPR.
11864 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11866 PR tree-optimization/22360
11867 * tree.c (upper_bound_in_type): Fix calculations for casting
11868 to a non-wider signed type and casting a signed value to a
11869 wider unsigned type.
11870 (lower_bound_in_type): Fix calculations for casting to a
11871 non-wider signed type.
11873 PR tree-optimization/20139
11874 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11876 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11877 fold_cond_expr_cond.
11878 * tree-ssanames.c (release_defs): Assert in_ssa_p.
11879 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11881 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11884 * tree-complex.c (expand_complex_libcall): Produce
11885 REALPART_EXPR/IMAGPART_EXPR with the correct type.
11887 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
11889 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11890 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11891 b" assert and inserted fastpath code for this case.
11892 (bitmap_ior): Removed "a != b" assert.
11894 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11896 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11897 (ENDFILE_SPEC): Likewise.
11898 * config/m32r/m32r.h (ASM_SPEC): Likewise.
11900 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11901 a large stack frame at epilogue.
11903 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
11905 * final.c: Include sdbout.h when required.
11907 2005-07-07 Geoffrey Keating <geoffk@apple.com>
11909 * config.gcc (*-*-darwin*): Only one target-specific header file
11910 for generic darwin.
11911 (powerpc-*-darwin*): Add version-specific header files.
11912 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11913 * config.in: Regenerate.
11914 * configure: Regenerate.
11915 * gcc.c: Include xregex.h.
11916 (version_compare_spec_function): New.
11917 (spec_function): Add version-compare.
11918 (replace_outfile_spec_function): Reformat comment.
11919 (compare_version_strings): New.
11920 * config/darwin-c.c (version_as_macro): New.
11921 (builtin_define): New.
11922 (darwin_cpp_builtins): New.
11923 * config/darwin-protos.h (darwin_cpp_builtins): New.
11924 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11925 (LIB_SPEC): Make unconditional, update comment.
11926 (TARGET_C99_FUNCTIONS): Define.
11927 * config/darwin.opt: Sort.
11928 (mmacosx-version-min=): New.
11929 * config/darwin7.h: Delete.
11930 * config/darwin8.h: Delete.
11931 * config/i386/darwin.h (): Call darwin_cpp_builtins.
11932 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11933 (TARGET_C99_FUNCTIONS): Define.
11934 * config/rs6000/darwin7.h: New.
11935 * config/rs6000/darwin8.h: New.
11936 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11937 (-mmacosx-version-min): Document.
11939 2005-07-07 Ian Lance Taylor <ian@airs.com>
11941 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11943 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
11945 PR middle-end/22239
11946 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11948 2005-07-07 Khem Raj <kraj@mvista.com>
11950 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11951 in bytes, not words.
11953 2005-07-07 Paul Brook <paul@codesourcery.com>
11955 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11956 DEFAULT_FUNCTION_ARG_PADDING to upward.
11958 2005-07-07 Richard Henderson <rth@redhat.com>
11960 * function.c (locate_and_pad_parm): Record parameter alignment in
11961 stack_alignment_needed.
11963 2005-07-07 David Edelsohn <edelsohn@gnu.org>
11965 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11966 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11967 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11968 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11969 (define_attr "type"): Add isync, sync, load_l, store_c.
11970 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11971 Create scratch volatile MEM.
11972 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
11974 (load_locked_<mode>): New.
11975 (store_conditional_<mode>): New.
11976 (sync_compare_and_swap<mode>): Replace with splitter.
11977 (sync_lock_test_and_set<mode>): Replace with splitter.
11978 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11980 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
11981 is ics. Attribute isync.
11982 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
11984 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11985 and UNSPECV_SYNC_OP.
11986 (emit_unlikely_jump): New.
11987 (emit_load_locked): New.
11988 (emit_store_conditional): New.
11989 (rs6000_split_compare_and_swap): New.
11990 (rs6000_split_lock_test_and_set): New.
11991 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11992 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11993 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11994 rs6000_split_lock_test_and_set): Declare.
11995 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11996 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11997 store_c, isync, sync.
11999 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
12001 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
12002 filenames to gtyp-gen.h.
12003 (s-typ-gen): Use it in place of for loops.
12005 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
12007 * hooks.c (hook_bool_rtx_int_false): New function.
12008 * hooks.h (hook_bool_rtx_int_false): Declare.
12009 * target-def.h (TARGET_COMMUTATIVE_P): Define.
12010 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
12011 * target.h (struct gcc_target): Add commutative_p member.
12012 * targhooks.c (hook_bool_rtx_commutative_p): New function.
12013 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
12014 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
12015 (pa_commutative_p): New function.
12016 * jump.c (target.h): Include.
12017 (rtx_renumbered_equal_p): Use targetm.commutative_p.
12018 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
12020 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
12022 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
12023 (s390_expand_setmem): New.
12024 * config/s390/s390.c: Likewise.
12025 (print_shift_count_operand): Truncate to 12 bits instead of 6.
12027 * config/s390/s390.md: ("setmem<mode>"): Accept character as
12028 general_operand. Call new function "s390_expand_setmem".
12029 ("clrmem_long", "*clrmem_long"): Rewrite to ...
12030 ("setmem_long", "*setmem_long"): ... this.
12032 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
12034 * config/s390/s390.c: (optimization_options): Enable
12035 TARGET_MVCLE at -Os.
12036 * doc/invoke.texi: Document changes in default behaviour.
12037 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
12039 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
12041 * expr.c: (set_storage_via_setmem): Convert opchar to mode
12042 defined by back-end.
12044 2005-07-07 Jakub Jelinek <jakub@redhat.com>
12046 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
12047 all sets in the pattern.
12048 * config/rs6000/rs6000.md (stack_protect_testsi,
12049 stack_protect_testdi): Likewise.
12051 2005-07-06 Jeff Law <law@redhat.com>
12053 * tree-vrp.c (simplify_using_ranges): Kill.
12054 (vrp_finalize): Remove call to simplify_using_ranges.
12055 (simplify_stmt_using_ranges): New function extracted from
12056 simplify_using_ranges.
12057 (simplify_div_or_mod_using_ranges): Likewise.
12058 (simplify_abs_using_ranges): Likewise.
12059 (simplify_cond_using_ranges): New function.
12060 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
12061 * tree-ssa-propagate.c (substitute_and_fold): Call
12062 simplify_stmt_using_ranges if we have range information.
12064 2005-07-06 James E. Wilson <wilson@specifixinc.com>
12066 * config/ia64/ia64.c (ia64_reorg): Check optimize before
12067 ia64_flag_schedule_isns2.
12069 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
12070 reading/writing general registers.
12071 (ia64_function_arg): Revert 2005-06-18 change.
12073 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
12075 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
12076 (legitimize_tls_address): Use gcc_unreachable instead of abort.
12078 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
12080 * function.c (expand_function_end): Revert part of 2005-06-27
12081 patch. Do sjlj_emit_function_exit_after after return_label.
12083 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
12085 * doc/install.texi (--disable-libssp): New.
12087 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
12089 * doc/invoke.texi: Update -fforce-mem documentation.
12090 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
12091 code for -fforce-mem.
12092 * expmed.c: (store_bit_field,store_fixed_bit_field,
12093 extract_bit_field): Ditto.
12094 * expr.c: (convert_move): Ditto.
12095 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
12096 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
12097 emit_conditional_add,expand_float,expand_fix): Ditto.
12098 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
12099 (common_handle_option): Issue warning when -fforce-mem specified.
12101 2005-07-06 Paul Brook <paul@codesourcery.com>
12103 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
12105 * configure: Regenerate.
12107 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
12109 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
12111 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
12113 Fix PR tree-optimization/22319
12114 Fix PR tree-optimization/22140
12115 Fix PR tree-optimization/22310
12117 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
12118 variable sized types.
12119 Use correct type for intermediate structure on *a = *b structure
12122 2005-07-06 Jakub Jelinek <jakub@redhat.com>
12124 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
12126 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
12127 (machine_function): Move typedef to...
12128 * config/rs6000/rs6000.c (machine_function): ... here. Add
12129 varargs_save_offset field.
12130 (rs6000_stack_t): Remove varargs_size field.
12131 (setup_incoming_varargs): Allocate varargs save area using
12132 assign_stack_local, try to make it as small as possible.
12133 Save offset from virtual_stack_vars_rtx to the save area
12134 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
12135 instead of magic 8 when fp word byte size is used.
12136 (rs6000_va_start): Use cfun->machine->varargs_save_offset
12137 instead of -RS6000_VARARGS_SIZE.
12138 (rs6000_stack_info, debug_stack_info,
12139 rs6000_initial_elimination_offset): Remove all traces of
12141 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
12142 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
12143 RS6000_VARARGS_AREA.
12145 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
12147 PR tree-optimization/21963
12148 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
12149 constant_multiple_of in the same way get_computation_cost_at does.
12151 2005-07-06 Jakub Jelinek <jakub@redhat.com>
12153 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
12154 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
12155 (gen_compare_reg): If sparc_compare_emitted is set, clear it
12156 and return its previous value.
12157 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
12158 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
12160 (stack_protect_set, stack_protect_test): New expanders.
12161 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
12162 stack_protect_testdi): New insns.
12163 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12164 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
12166 2005-07-06 Jeff Law <law@redhat.com>
12168 * tree-ssa-dce.c (cfg_altered): New global.
12169 (tree_dce_init): Initialize cfg_altered.
12170 (remove_dead_stmt): If we remove an edge in the CFG, then set
12172 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
12175 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
12177 * Makefile.in (stamp-collect-ld): Use
12178 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
12179 ./collect-ld if it already exists.
12180 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
12181 Don't remove ./nm if it already exists.
12183 2005-07-05 Devang Patel <dpatel@apple.com>
12185 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
12186 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
12187 * tree-vectorizer.c (vect_loop_location): New.
12188 (vect_print_dump_info): Use vect_loop_location.
12189 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
12190 (vectorize_loops): Set vect_loop_location.
12191 * tree-vect-analyze.c (vect_analyze_offset_expr,
12192 vect_determin_vectorization_factor, vect_analyze_operations,
12193 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
12194 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
12195 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
12196 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
12197 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
12198 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
12199 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
12200 vect_analyze_loop): Adjust vect_print_dump_info API.
12201 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12202 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
12203 vect_finish_stmt_generation, vectorizable_assignment,
12204 vectorizable_operation, vectorizable_store, vectorizable_load,
12205 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
12206 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
12207 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
12208 vect_transform_loop): Same.
12209 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
12210 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
12213 2005-07-05 Randolph Chung <tausq@debian.org>
12215 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
12216 * configure: Regenerate.
12217 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
12218 (pa_tls_referenced_p): Declare.
12219 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
12220 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
12221 (legitimize_tls_address): New.
12222 (hppa_legitimize_address): Handle TLS addresses.
12223 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
12224 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
12225 (emit_move_sequence): Handle TLS addresses.
12226 (pa_encode_section_info): Call default handler to handle common
12228 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
12229 (CONSTANT_ADDRESS_P): Reject TLS operands.
12230 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
12231 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
12232 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
12233 (UNSPEC_TLSLE): Define new constants.
12234 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
12235 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
12236 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
12237 (tie_symbolic_operand, tle_symbolic_operand): New
12239 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
12241 * aclocal.m4: Update macros for autoconf 2.59 style.
12242 * configure.ac: Likewise.
12244 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12246 * pa.c (function_value): Handle small aggregates on 32-bit targets.
12247 (function_arg): Pass small aggregates in general registers on 32-bit
12249 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
12251 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
12253 * Makefile.in (final.o): Fix dependencies.
12255 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
12259 * langhooks.h (struct lang_hooks): Add expr_to_decl.
12260 * langhooks.c (lhd_expr_to_decl): New.
12261 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
12263 (LANG_HOOKS_INITIALIZER): Update.
12264 * tree.c (recompute_tree_invarant_for_addr_expr): Call
12265 expr_to_decl langhook.
12266 * c-tree.h (c_expr_to_decl): Declare.
12267 * c-typeck.c (c_expr_to_decl): New.
12268 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
12270 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
12272 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
12275 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
12276 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
12278 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
12280 * Makefile.in: Adjust dependencies.
12281 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
12282 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
12283 * alias.c (rest_of_handle_cfg, pass_cfg): New.
12284 * bb-reorder.c (duplicate_computed_gotos): Make it static.
12285 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
12286 rest_of_compilation.
12288 * bb-reorder.c (gate_duplicate_computed_gotos,
12289 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
12290 rest_of_handle_reorder_blocks, pass_reorder_blocks,
12291 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
12292 pass_partition_blocks): New.
12293 * bt-load.c (gate_handle_branch_target_load_optimize,
12294 rest_of_handle_branch_target_load_optimize,
12295 pass_branch_target_load_optimize): New.
12296 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
12298 * cfglayout.c (pass_insn_locators_initialize): New.
12299 * cfgrtl.c (pass_free_cfg): New.
12300 * combine.c (gate_handle_combine, rest_of_handle_combine,
12301 pass_combine): New.
12302 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
12303 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
12304 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
12305 * except.c (pass_set_nothrow_function_flags,
12306 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
12308 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
12309 rest_of_handle_shorten_branches, pass_shorten_branches,
12310 rest_of_clean_state, pass_clean_state): New.
12311 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
12312 rest_of_handle_remove_death_notes, pass_remove_death_notes,
12313 rest_of_handle_life, pass_life, rest_of_handle_flow2,
12315 * function.c (pass_instantiate_virtual_regs, pass_init_function,
12316 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
12317 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
12318 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
12320 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
12321 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
12322 pass_rtl_ifcvt, gate_handle_if_after_combine,
12323 rest_of_handle_if_after_combine, pass_if_after_combine,
12324 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
12325 pass_if_after_reload): New.
12326 * integrate.c (pass_initial_value_sets): New.
12327 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
12328 pass_purge_lineno_notes): New.
12329 * mode-switching.c (rest_of_handle_mode_switching,
12330 pass_mode_switching): New.
12331 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
12332 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
12334 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
12335 pass_loop_optimize): New.
12336 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
12338 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
12340 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
12341 pass_postreload_cse): New.
12342 * profile.c (gate_handle_profiling, pass_profiling,
12343 rest_of_handle_branch_prob, pass_branch_prob): New.
12344 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
12345 pass_split_before_regstack, gate_handle_split_before_regstack,
12346 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
12347 rest_of_handle_split_all_insns, pass_split_all_insns): New.
12348 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
12349 pass_stack_regs): New.
12350 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
12351 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
12352 pass_stack_adjustments): New.
12353 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
12354 pass_regrename): New.
12355 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
12356 pass_delay_slots, gate_handle_machine_reorg,
12357 rest_of_handle_machine_reorg, pass_machine_reorg): New.
12358 * rtl.h (extern void purge_line_number_notes): New.
12359 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
12360 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
12362 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
12364 * value-prof.c (gate_handle_value_profile_transformations,
12365 rest_of_handle_value_profile_transformations,
12366 pass_value_profile_transformations): New.
12367 * var-tracking.c (gate_handle_var_tracking,
12368 pass_variable_tracking): New.
12369 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
12371 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
12372 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
12373 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
12374 rest_of_handle_old_regalloc, rest_of_handle_regrename,
12375 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
12376 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
12377 rest_of_handle_gcse2, rest_of_handle_regmove,
12378 rest_of_handle_tracer, rest_of_handle_if_conversion,
12379 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
12380 rest_of_handle_web, rest_of_handle_branch_prob,
12381 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
12382 rest_of_handle_jump_bypass, rest_of_handle_combine,
12383 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12384 rest_of_handle_gcse, rest_of_handle_loop_optimize,
12385 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
12386 rest_of_handle_mode_switching, rest_of_handle_jump,
12387 rest_of_handle_eh, rest_of_handle_stack_adjustments,
12388 rest_of_handle_flow2, rest_of_handle_jump2,
12389 rest_of_handle_peephole2, rest_of_handle_postreload,
12390 rest_of_handle_shorten_branches, rest_of_clean_state,
12391 rest_of_compilation): Remove.
12393 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
12394 * passes.c (dump_flags, in_gimple_form, all_passes,
12395 all_ipa_passes, all_lowering_passes, register_one_dump_file,
12396 register_dump_files, next_pass_1, last_verified, execute_todo,
12397 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
12398 from tree-optimize.c.
12399 (init_optimization_passes): Moved from tree-optimize.c,
12400 adding the RTL optimizations.
12401 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
12402 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
12403 all_ipa_passes, all_lowering_passes, register_one_dump_file,
12404 register_dump_files, next_pass_1, last_verified, execute_todo,
12405 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
12406 init_tree_optimization_passes, ipa_passes): Delete.
12407 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
12409 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
12410 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
12412 (ipa_passes): Remove.
12413 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
12414 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
12415 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
12416 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
12417 (dump_info_p, dump_flag): Moved to tree-dump.h.
12419 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
12421 * passes.c (finish_optimization_passes): Use dump_begin
12422 and dump_end, TDI_end.
12423 (gate_rest_of_compilation): New.
12424 (pass_rest_of_compilation): Use it.
12425 (gate_postreload, pass_postreload): New.
12426 * toplev.c (general_init): Rename init_tree_optimization_passes.
12427 * toplev.h (init_tree_optimization_passes): Rename to
12428 init_optimizations_passes.
12429 * tree-dump.c (dump_flag): Make static.
12430 (dump_files): Remove RTL dumps.
12431 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
12432 pass_cleanup_cfg, pass_free_cfg_annotations,
12433 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
12434 pass_init_datastructures, pass_fixup_cfg): Make non-static.
12435 * tree-pretty-print.c: Include tree-pass.h.
12436 * cgraph.c: Include tree-dump.h.
12438 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
12440 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
12441 Only fall back to saying it points to readonly memory if
12442 we can't do better.
12444 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
12446 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
12447 * config/m32r/m32r.c (m32r_compute_frame_size,
12448 m32r_expand_prologue): Take current_function_profile into
12449 account whenever we reference
12450 current_function_uses_pic_offset_table.
12451 (m32r_finalize_pic): Remove.
12452 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
12454 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
12456 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
12457 instead of $<. Don't remove ./as if it already exists.
12459 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12462 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
12463 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
12464 for complex modes when generating code for PA 1.0.
12465 (VALID_FP_MODE_P): New macro.
12466 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
12467 sets for all general and floating point modes. Align wide floating
12468 point modes to even register boundaries to comply with architectural
12470 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
12471 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
12472 (VALID_FP_MODE_P): New macro.
12473 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
12474 sets for all general and floating point modes. Align wide floating
12475 point modes to even register boundaries to comply with architectural
12478 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12480 * tree-dump.c (dump_files): Initialize dump number for .cgraph
12483 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12485 * tree-ssa-structalias.c: Don't include expr.h.
12487 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12489 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
12492 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
12494 Fix PR tree-optimization/22279
12496 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
12499 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
12501 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
12503 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
12505 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
12506 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
12507 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
12508 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
12509 config/stormy16/stormy16.c, config/v850/v850.c,
12510 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
12511 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
12512 Avoid "." or "\n" at end of diagnostics and capital letters at
12513 start of diagnostics.
12514 * combine.c, cse.c: Don't translate dump file output.
12515 * toplev.c (print_version): Only translate output if going to
12518 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
12520 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
12521 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
12524 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12526 * pa.c (fix_range): Fix typo in comment.
12528 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
12530 * tree-vrp.c (extract_range_from_assert): Replace
12531 fold (build (...)) with fold_build2.
12533 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12535 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
12536 gcc_gfc_char_table, init_dynamic_gfc_info): New.
12537 (format_types_orig, handle_format_attribute): Add support for
12540 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
12542 * varasm.c (assemble_variable): Fix format specifier thinko.
12544 2005-07-03 Ira Rosen <irar@il.ibm.com>
12546 PR tree-optimization/22029 (and 22135)
12547 * tree-pretty-print.c (dump_generic_node): Check that the node is not
12548 a phi node before calling dump_vops.
12550 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
12552 * tree-dump.h (dump_string_field): Declare.
12553 * tree-dump.c: Use it instead of dump_string.
12554 (dump_string_field): Make non-static.
12556 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
12558 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
12559 up the minimal CFG stuff always when optimize > 0. Call
12560 split_all_insns_noflow in PIC case if needed.
12562 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
12563 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
12566 * c-decl.c (c_write_global_declarations): Dump contents of
12568 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12569 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12570 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12571 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12574 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
12576 * c-common.h (GCC_DIAG_STYLE): Define.
12577 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
12578 version for format checking to 4.1.
12579 * c-format.c: Include toplev.h after c-common.h.
12580 (enum format_type): Add gcc_tdiag_format_type.
12581 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12582 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12583 (format_types_orig): Add gcc_tdiag.
12584 (init_dynamic_diag_info): Support gcc_tdiag formats.
12585 (handle_format_attribute): Likewise.
12586 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12587 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
12588 version for format checking to 4.1.
12589 (warning0, warning, error, pedwarn, sorry): Use
12590 ATTRIBUTE_GCC_DIAG.
12591 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12592 (finish_aliases_1): Do not use %qE.
12593 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12594 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12595 Correct format bugs.
12596 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12597 parameter to unsigned HOST_WIDE_INT.
12598 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12600 2005-07-02 David Edelsohn <edelsohn@gnu.org>
12602 PR middle-end/21742
12603 * expr.c (write_complex_part): Use adjust_address for MEM.
12604 (read_complex_part): Same.
12606 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
12608 Fix PR tree-optimization/22280
12610 * tree-sra.c (generate_element_init): Remove useless loop.
12612 2005-07-02 Richard Henderson <rth@redhat.com>
12614 * config/alpha/alpha.c (alpha_legitimize_address): Check for
12616 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12618 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
12620 PR middle-end/14490
12621 * fold-const.c (fold_binary): Handle the return value of
12622 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12623 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12625 2005-07-02 Jeff Law <law@redhat.com>
12627 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12628 a eliminate type conversion which feeds an equality comparison
12629 if the original type or either operand in the comparison is a
12632 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
12634 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12635 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12637 * config/avr/avr.c: Do not use '`' as left quote.
12638 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12639 Remove "." from end of diagnostics. Make diagnostics start with
12642 2005-07-02 Zack Weinberg <zack@codesourcery.com>
12643 Joseph S. Myers <joseph@codesourcery.com>
12645 * toplev.c (default_tree_printer): Handle setting location with
12647 * c-objc.common.c (c_tree_printer): Likewise.
12648 * c-format.c (gcc_diag_flag_specs): Add '+'.
12649 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12650 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12652 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12653 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12654 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12655 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12656 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12657 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
12658 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
12659 format arguments where %J is used without %D.
12661 2005-07-02 Jakub Jelinek <jakub@redhat.com>
12663 * gcc.c (LINK_SSP_SPEC): Define.
12664 (link_ssp_spec): New variable.
12665 (LINK_COMMAND_SPEC): Add %(link_ssp).
12666 (static_specs): Add link_ssp_spec.
12667 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12668 * configure: Rebuilt.
12669 * config.in: Rebuilt.
12671 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12672 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12673 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12674 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12675 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12676 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12677 -0x7008(2) instead of reading __stack_chk_guard variable.
12678 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12680 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12681 (stack_protect_set, stack_protect_test): Use *_tls* patterns
12682 if TARGET_THREAD_SSP_OFFSET is defined.
12683 (stack_tls_protect_set_si, stack_tls_protect_set_di,
12684 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12687 2005-06-27 Richard Henderson <rth@redhat.com>
12688 * libgcc-std.ver (GCC_4.1.0): New.
12689 * libgcc.h (__stack_chk_guard): Declare.
12690 (__stack_chk_fail, __stack_chk_fail_local): Declare.
12691 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12692 * mklibgcc.in (lib2funcs): Add them.
12694 2005-07-01 Richard Henderson <rth@redhat.com>
12696 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12697 void * before struct sigcontext *.
12698 (x86_fallback_frame_state): Likewise.
12700 2005-07-01 James E. Wilson <wilson@specifixinc.com>
12702 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12704 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12707 * tree-ssa-reassoc.c (should_transpose): Fix which operand
12708 we check for SSA_NAME for.
12710 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
12712 Fix PR tree-optimization/22071
12714 * tree-ssa-structalias.c (offset_overlaps_with_access): New
12716 (get_constraint_for_component_ref): Use it.
12718 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12721 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12722 print out the last new line.
12724 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
12726 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12727 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12728 * config/cris/cris.c (cris_conditional_register_usage): Adjust
12729 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12730 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12731 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12732 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12733 (enum reg_class): New member CC0_REGS.
12734 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12735 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12736 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12737 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12738 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12739 Adjust for register now described.
12741 2005-07-01 Jakub Jelinek <jakub@redhat.com>
12744 * config/i386/i386.md (stack_protect_test_si,
12745 stack_protect_test_di): Add earlyclobber for scratch 3.
12746 * config/rs6000/rs6000.md (stack_protect_testsi,
12747 stack_protect_testdi): Add earlyclobber for scratch 3,
12748 remove earlyclobber from scratch 4.
12750 Older entries for 2005 can be found in ChangeLog-2005.