1 2005-12-21 Kazu Hirata <kazu@codesourcery.com>
3 * tree-data-ref.c (estimate_niter_from_size_of_data): Replace
4 fold_build2 with fold_binary.
5 * tree-ssa-ccp.c (visit_assignment, maybe_fold_stmt_addition):
6 Replace fold_build1 with fold_unary.
7 * tree-ssa-reassoc.c (optimize_ops_list): Replace fold_build2
10 2005-12-21 Steven Bosscher <stevenb@suse.de>
12 PR rtl-optimization/25196
13 * postreload-gcse.c (record_last_set_info): Notice stack pointer
14 changes in push insns without REG_INC notes.
16 2005-12-21 Kazu Hirata <kazu@codesourcery.com>
18 PR tree-optimization/25382.
19 * tree-vrp.c (extract_range_from_binary_expr): Extract a range
22 2005-12-21 Janis Johnson <janis187@us.ibm.com>
23 Ben Elliston <bje@au.ibm.com>
25 * configure.ac: Enable C extension for decimal float if invoked
26 with --enable-decimal-float.
27 * doc/install.texi (Configuration): Document it.
28 * configure, config.in: Regenerate.
30 2005-12-20 Mike Stump <mrs@apple.com>
32 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Handle the
33 ambiguity between -seg_addr_table and -seg_addr_table_filename.
34 (WORD_SWITCH_TAKES_ARG): Likewise.
35 (LINK_SPEC): Likewise.
37 2005-12-20 Kenneth Zadeck <zadeck@naturalbridge.com>
39 * cfganal.c (flow_reverse_top_sort_order_compute):
40 Renamed to post_order_compute and additional parameter added which
41 allows the inclusion of entry and exit blocks into list.
42 (mark_dfs_back_edges): Fixed comment.
43 (flow_depth_first_order_compute): Renamed to
44 pre_and_rev_post_order_compute additional parameter added which
45 allows the inclusion of entry and exit blocks into list.
46 * global.c (set_up_bb_rts_numbers): Call to
47 flow_reverse_top_sort_order_compute renamed to
49 * var-tracking.c (vt_stack_adjustments): Fixed comment.
50 (vt_find_locations): Call to
51 flow_depth_first_order_compute renamed to
52 pre_and_rev_post_order_compute.
53 * cfgloop.c (flow_find_loops): Ditto.
54 * tree-ssa-reassoc.c (init_reassoc): Ditto.
55 * df.c (df_analyze_1, df_analyze_subcfg): Calls to
56 flow_reverse_top_sort_order_compute renamed to post_order_compute
57 and calls to flow_reverse_top_sort_order_compute renamed to
59 * basic_block.h: Ditto.
62 2005-12-20 Roger Sayle <roger@eyesopen.com>
63 Paolo Bonzini <bonzini@gnu.org>
65 PR rtl-optimization/25115
66 * gcse.c (pre_insert_copy_insn): Fall back to the sole
67 SET in the insn if there is no SET for an
68 expression that is equivalent to EXPR.
70 2005-12-20 Richard Guenther <rguenther@suse.de>
73 * builtins.c (std_gimplify_va_arg_expr): Do not align
74 va frame for zero sized types.
75 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
77 2005-12-20 Kazu Hirata <kazu@codesourcery.com>
79 PR tree-optimization/25501
80 * tree-cfgcleanup.c (merge_phi_nodes): Check that RESULT is
81 used in the PHI argument corresponding to the edge from BB to
84 2005-12-20 Richard Guenther <rguenther@suse.de>
87 2005-12-02 Richard Guenther <rguenther@suse.de>
89 * tree-cfg.c (mark_used_vars): New function.
90 (dump_function_to_file): Dump only used VAR_DECLs.
92 2005-12-19 Roger Sayle <roger@eyesopen.com>
94 * combine.c (try_combine): Improve splitting of binary operators
95 by taking advantage of reassociative transformations.
97 2005-12-19 Jeff Law <law@redhat.com>
99 * tree-ssa-dom.c (thread_across_edge): Do not use local_fold.
100 Strip away all type conversions after simplifying the
103 * tree-cfgcleanup.c (merge_phi_nodes): Allow merging in some
104 cases the forwarder block dominates the destination.
106 2005-12-19 DJ Delorie <dj@redhat.com>
108 * reload1.c (spill_failure): Dump reload data to dump file.
109 (find_reload_regs): Likewise.
111 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
113 PR tree-optimization/24793
114 * tree-ssa-loop-ivopts.c (get_ref_tag): Remember the
115 original reference if there are subvars.
116 * tree-ssa-operands.c (get_tmr_operands): Handle subvars.
118 2005-12-19 Kenneth Zadeck <zadeck@naturalbridge.com>
120 * df.c (df_analyze_1, df_analyze_subcfg, iterative_dataflow):
121 Corrected basic block number calculations for changes in entry and
124 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
126 * tree-flow.h (struct var_ann_d): Change type of
127 may_aliases field to VEC(tree, gc) *.
128 (may_aliases): Declaration changed.
129 * tree-ssa-alias.c (group_aliases, add_may_alias,
130 replace_may_alias, dump_may_aliases_for,
131 is_aliased_with, add_type_alias, new_type_alias):
132 Work with VEC(tree, gc) * instead of varray.
133 * tree-flow-inline.h (may_aliases): Ditto.
134 * tree-ssa.c (verify_flow_insensitive_alias_info,
135 verify_name_tags): Ditto.
136 * tree-ssa-operands.c (add_stmt_operand): Ditto.
138 2005-12-19 J"orn Rennecke <joern.rennecke@st.com>
140 * cfgcleanup.c: Temporarily revert patches for PR 20070 till Bernd
143 2005-12-19 J"orn Rennecke <joern.rennecke@st.com>
145 * struct-equiv.c (struct_equiv_improve_checkpoint): Fix sets_cc0_p
148 2005-12-19 Ben Elliston <bje@au.ibm.com>
150 * doc/install.texi (Configuration): Typo in Fortran subheading.
152 2005-12-19 Nathan Sidwell <nathan@codesourcery.com>
154 * config/mt/mt.md (decrement_and_branch_until_zero): Add another
155 scratch. Correct its reload split. Adjust its peephole.
156 (doloop_end): Add additional scratch.
158 * config/mt/mt.c (MT_INT_ARG_FIRST): Remove.
159 (mt_asm_output_opcode, mt_print_operand): Use 'nop'.
160 (mt_function_arg_slotno): Use FIRST_ARG_REGNUM.
161 (mt_builtin_saveregs): Replace with ...
162 (mt_setup_incoming_varargs): ... here. Save just the varadic
164 (mt_va_start): Remove.
165 (mt_reorg_hazard): Ignore USE insns. Don't call set_noop_p.
166 (mt_machine_reorg): Split all insns here.
167 (TARGET_SETUP_INCOMING_VARARGS): Override.
168 * config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only.
170 (EXPAND_BUILTIN_VA_START): Remove.
172 2005-12-17 Kenneth Zadeck <zadeck@naturalbridge.com>
174 * flow.c (update_life_info, count_or_remove_death_notes): Fixed
175 latent bug that could happen if update_life_info was called with a
176 blocks parameter and the call to cleanup_cfg actually deleted one
179 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
181 * tree-ssa-structalias.c (update_alias_info): Remove handling
182 of may_be_aliased (SSA_NAME_VAR (op)) case.
184 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
186 * tree-flow.h (struct stmt_ann_d): Remove
187 makes_aliased_loads and makes_aliased_stores fields.
188 * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores
189 and makes_aliased_loads fields.
190 * tree-ssa-dom.c (eliminate_redundant_computations): Do not
191 use makes_aliased_stores.
192 * tree-ssa-operands.c (clobbered_aliased_loads,
193 clobbered_aliased_stores, ro_call_aliased_loads): Removed.
194 (build_ssa_operands, add_stmt_operand, add_call_clobber_ops,
195 add_call_read_ops): Do not set makes_aliased_stores and
196 makes_aliased_loads fields.
197 * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores
200 2005-12-18 Geoffrey Keating <geoffk@apple.com>
202 * config/darwin.h: Don't include darwin-sections.def to declare
203 global variables; instead create darwin_section_enum.
204 (darwin_section_enum): New.
205 (darwin_sections): New.
206 * config/darwin.c: Don't include darwin-sections.def to define
208 (darwin_sections): New.
209 (output_objc_section_asm_op): Rewrite to take advantage of
211 (darwin_init_sections): Rewrite to use darwin_sections.
212 (machopic_output_indirection): Update for darwin_sections array.
213 (machopic_select_section): Likewise.
214 (machopic_select_rtx_section): Likewise.
215 (machopic_asm_out_constructor): Likewise.
216 (machopic_asm_out_destructor): Likewise.
217 (darwin_file_end): Likewise.
218 * config/rs6000/rs6000.c (machopic_output_stub): Likewise.
219 * config/i386/i386.c (machopic_output_stub): Likewise.
221 2005-12-18 Richard Guenther <rguenther@suse.de>
223 PR tree-optimization/25481
224 * tree-ssa-structalias.c (handle_ptr_arith): Handle accesses we
225 don't have a varinfo for.
227 2005-12-18 Jon Grimm <jgrimm2@us.ibm.com>
228 Janis Johnson <janis187@us.ibm.com>
229 Ben Elliston <bje@au.ibm.com>
231 * optabs.c (init_floating_libfuncs): Handle decimal float modes.
232 (init_optabs): Handle libfuncs for decimal float.
233 * genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
234 * stor-layout.c (int_mode_for_mode): Likewise.
235 * simplify-rtx.c (simplify_immed_subreg): Likewise.
236 (simplify_unary_operation_1): Skip optimisations for decimal float
238 * varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
239 * emit-rtl.c (gen_const_vector): Add assertion check.
240 (init_emit_once): Populate const_tiny_rtx with constants in each
242 * expmed.c (extract_high_half, expand_mult_highpart_optab,
243 expand_mult_highpart): Assert that mode is not a scalar float
245 * expr.c (convert_move): Handle conversion between decimal and
246 binary floats of the same size.
247 * convert.c (convert_to_real): Consider decimal float types when
249 * dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
250 describe decimal floating point types.
252 2005-12-18 Ulrich Weigand <uweigand@de.ibm.com>
254 PR rtl-optimization/21041
255 * reload.c (find_reloads_subreg_address): Replace paradoxical
256 subreg of MEM by widened access only if the resulting memory
257 is properly aligned, even on !STRICT_ALIGNMENT targets.
259 2005-12-18 Andreas Krebbel <krebbel1@de.ibm.com>
261 * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.
263 2005-12-18 Steven Bosscher <stevenb@suse.de>
265 * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
266 the 2005-12-17 patch to renumber the entry and exit blocks.
268 2005-12-18 Gabriel Dos Reis <gdr@integrable-solutions.net>
270 * doc/objc.texi (Type encoding): Fix typo.
272 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
274 * tree-tailcall.c (find_tail_calls): Use XNEW.
275 * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
276 (free_all_edge_infos): Use explicit cast to convert from void *.
277 (vrp_free): Likewise.
278 (dom_opt_finalize_block): Likewise.
279 (record_equivalences_from_incoming_edge): Likewise.
280 (thread_across_edge): Likewise. Use XCNEWVEC.
281 (record_cond): Use XCNEW.
282 (record_conditions): Use XNEWVEC.
283 (record_edge_info): Use XCNEWVEC.
284 (lookup_avail_expr): Use XNEW.
285 (record_range): Likewise. Use GGC_NEW.
286 * tree-nested.c (var_map_hash): Use explicit cast to convert from
288 (var_map_eq): Likewise.
289 (lookup_field_for_decl): Likewise.
290 (convert_nonlocal_reference): Likewise.
291 (convert_local_reference): Likewise.
292 (convert_nl_goto_reference): Likewise.
293 (convert_nl_goto_receiver): Likewise.
294 (convert_call_expr): Likewise.
295 (convert_tramp_reference): Likewise.
296 (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
297 (convert_nl_goto_reference): Likewise.
298 (lookup_field_for_decl): Use GGC_NEW.
299 (create_nesting_tree): Use GGC_CNEW.
300 * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
301 * tree-ssa-alias.c (init_alias_info): Use XCNEW.
302 (create_alias_map_for): Likewise.
303 (setup_pointers_and_addressables): Use XCNEWVEC.
304 (get_ptr_info): Use GGC_NEW.
305 (used_part_map_eq): Use explicit cast to convert from void *.
306 (up_lookup): Likewise.
307 (up_insert): Use XNEW.
308 (get_or_create_used_part_for): Use XCNEW.
309 (get_tmt_for): Likewise.
310 * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
311 * tree-ssa-pre.c (phi_trans_add): Use XNEW.
312 (bitmap_set_new): Use explicit cast to convert from void *.
314 (insert_into_set): Likewise.
315 (pool_copy_list): Likewise.
316 (phi_translate): Likewise.
317 (create_value_expr_from): Likewise.
318 (insert_aux): Use XCNEWVEC.
319 (compute_avail): Use XNEWVEC.
320 * tree-ssa-live.c (calculate_live_on_entry): Likewise.
321 (sort_coalesce_list): Likewise.
322 (build_tree_conflict_graph): Use XCNEWVEC.
323 * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
324 * tree-ssa-copy.c (init_copy_prop): Likewise.
325 (fini_copy_prop): Likewise.
326 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
328 (record_equiv): Use XNEW.
329 (uncprop_into_successor_phis): Use explicit cast to convert from
331 (uncprop_initialize_block): Likewise.
333 2005-12-18 Dorit Nuzman <dorit@il.ibm.com>
335 PR tree-optimization/24378
336 * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
337 basic-block after loop-versioning.
339 2005-12-18 Jeff Law <law@redhat.com>
341 * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
342 to simplify SWITCH_EXPR_CODE moved from here to ...
343 * tree-ssa-forwprop.c (simplify_switch_expr): Here.
344 (tree-ssa-forward_propagate_single_use_vars): Call
345 simplify_switch_expr when appropriate.
347 2005-12-17 Andrew Pinski <pinskia@physics.uc.edu>
349 * doc/objc.texi (Type encoding): Add documentation about encoding
350 complex types and _Bool.
352 2005-12-17 Paul Brook <paul@codesourcery.com>
354 * config/m68k/m68k.md (m68k_output_function_prologue): Always call
355 dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
356 when frame_pointer_needed.
358 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
360 * tree-vn.c (vn_add): Use XNEW.
361 * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
362 (ccp_fold): Likewise.
363 (fold_stmt_r): Use explicit cast to convert from void *.
364 * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
365 (new_temp_expr_table): Likewise.
366 * gimplify.c (lookup_tmp_var): Use XNEW.
367 (gimplify_asm_expr): Use explcit cast to convert from void *.
368 * tree-into-ssa.c (get_ssa_name_ann): Likewise.
369 (get_def_blocks_for): Use XNEW.
370 (add_to_repl_tbl): Likewise.
371 (mark_def_sites): Use explicit cast to convert from void *.
372 (def_blocks_free): Likewise.
373 (mark_def_sites_initialize_block): Likewise.
374 (update_ssa): Use XNEWVEC.
375 * tree-dfa.c (create_var_ann): Use GGC_NEW.
376 (create_stmt_ann): Likewise.
377 (create_tree_ann): Likewise.
378 (referenced_var_insert): Likewise.
379 (set_default_def): Likewise.
380 (referenced_var_lookup_if_exists): Use explicit cast to convert
382 (referenced_var_lookup): Likewise.
383 (default_def): Likewise.
384 (set_default_def): Likewise.
385 * tree-cfg.c (create_bb): Likewise.
386 (edge_to_cases_cleanup): Likewise.
387 (verify_node_sharing): Likewise.
388 (record_switch_edge): Use XNEW.
389 (cleanup_dead_labels): Use XCNEWVEC.
390 (tree_duplicate_sese_region): Use XNEWVEC.
391 * tree-scalar-evolution.c (get_instantiated_value): Likewise.
392 * tree-ssa.c (verify_ssa): Use XCNEWVEC.
393 (int_tree_map_eq): Use explicit cast to convert from void *.
394 * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
395 (__gcov_execl): Likewise.
396 (__gcov_execlp): Likewise.
397 (__gcov_execle): Likewise.
398 * tree-eh.c (struct_ptr_eq): Likewise.
399 (struct_ptr_hash): Likewise.
400 (lookup_stmt_eh_region_fn): Likewise.
401 (outside_finally_tree): Likewise.
402 (find_goto_replacement): Likewise.
403 (make_eh_edge): Likewise.
404 (mark_eh_edge): Likewise.
405 (add_stmt_to_eh_region_fn): Use GGC_NEW.
406 (record_in_finally_tree): Use XNEW.
407 (maybe_record_in_goto_queue): Use XRESIZEVEC.
408 (lower_try_finally_copy): Use XCNEWVEC.
410 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
412 * tree-inline.c (copy_body_r): Use explicit cast when converting
415 (copy_edges_for_bb): Likewise.
416 (remap_decl_1): Likewise.
417 (estimate_num_insns_1): Likewise.
418 * cgraph.c (hash_node): Use explicit cast when converting from
421 (cgraph_create_node): Use GGC_CNEW.
422 (cgraph_create_edge): Use GGC_NEW.
423 (cgraph_remove_node): Use explicit cast when converting from void *.
424 (hash_varpool_node): Likewise.
425 (eq_varpool_node): Likewise.
426 (cgraph_varpool_node): Use GGC_CNEW.
427 * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
428 * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
429 (eq_scev_info): Use explicit cast when converting from void *.
430 (find_var_scev_info): Likewise.
431 (set_instantiated_value): Likewise.
432 (gather_stats_on_scev_database_1): Likewise.
433 * cfgloop.h (simple_loop_desc): Use explicit cast when converting
435 * c-pch.c (c_common_write_pch): Use XNEWVEC.
436 (c_common_read_pch): Likewise.
437 * prefix.c (save_string): Use XNEWVEC.
438 (translate_name): Use explicit cast when converting from void *.
439 * c-ppoutput.c (print_line): Use explicit cast when converting
441 (pp_dir_change): Likewise.
442 * c-cppbuiltin.c (builtin_define_std): Likewise.
443 (builtin_define_with_value): Likewise.
444 (builtin_define_with_value_n): Likewise.
445 (builtin_define_with_int_value): Likewise.
446 (builtin_define_type_max): Likewise.
447 * c-incpath.c (add_env_var_paths): Use XNEWVEC.
448 (add_path): Use XNEW.
449 * c-format.c (check_format_info_main): Use GGC_NEW.
450 (format_type_warning): Use explicit cast when converting from void *.
451 * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
453 (start_init): Likewise.
454 * tree-flow-inline.h (first_referenced_var): Use explicit cast
455 when converting from void *.
456 (next_referenced_var): Likewise.
457 * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
458 * gensupport.c (lookup_predicate): Use explicit cast to convert
460 (init_predicate_table): Use XCNEW instead of xcalloc.
461 * genpreds.c (process_define_predicate): Likewise.
463 2005-12-17 Danny Berlin <dberlin@dberlin.org>
464 Kenneth Zadeck <zadeck@naturalbridge.com>
466 * basic-block.h: Changed basic block numbering so that the entry
467 block is 0 and the exit block is 1. Changed insn iterators so
468 that they are tolerant of blocks with no insns.
469 * regrename.c (copyprop_hardreg_forward): Changed basic block
470 numbering so that the entry block is 0 and the exit block is 1.
471 * sched-ebb.c (sehedule_ebbs): Ditto.
472 * tracer.c (branch_ratio_cutoff): Ditto.
473 * cfgloopmanip.c (fix_loop_structure): Ditto.
474 * cfghooks.c (verify_flow_info): Ditto.
475 * cfg.c (compact_blocks): Ditto.
476 * reorg.c (dbr_schedule): Ditto.
477 * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
478 * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
479 calculate_dominance_info): Ditto.
480 * cfganal.c (create_edge_list, print_edge_list,
481 flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
482 flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
483 dfs_enumerate_from): Ditto.
484 * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
485 * ifcvt.c (find_if_case_2): Ditto.
486 * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
487 find_basic_blocks): Ditto.
488 * predict.c (predict_loops, tree_bb_level_predictions,
489 predict_paths_leading_to, propagate_freq): Ditto.
490 * lcm.c (compute_antinout_edge, compute_laterin,
491 compute_available): Ditto.
492 * function.c (thread_prologue_and_epilogue_insns): Ditto.
493 * gcse.c (gcse_main, bypass_jumps): Ditto.
494 * profile.c (compute_branch_probabilities,
495 compute_value_histograms, branch_prob): Ditto.
496 * tree-flow-inline.h (bsi_start, bsi_after_labels,
498 * tree-ssa-phiopt.c (tree_ssa_phiopt,
499 blocks_in_phiopt_order): Ditto.
500 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
501 compute_out, link_btr_uses, migrate_btr_defs): Ditto.
502 * tree-dfa.c (collect_dfa_stats): Ditto.
503 * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
504 * cfglayout.c (fixup_reorder_chain): Ditto.
505 * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
506 partition_hot_cold_basic_blocks): Ditto.
507 * var-tracking.c (vt_find_locations): Ditto.
508 * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
509 * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
510 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
511 label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
512 * tree-ssa-reassoc.c (init_reassoc): Ditto.
513 * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
514 rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
515 * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
516 and removed unused reverse orders.
518 * combine.c: Fix document typo.
520 2005-12-17 Jan Hubicka <jh@suse.cz>
522 * tree-flow-inline.h (set_default_def, default_def): Kill.
523 * tree-dfa.c (default_defs): New global variable.
524 (default_def, set_default_def): New functions.
525 * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
526 * tree-flow.h (struct var_ann_d): Kill default_def field.
527 (set_default_def, default_def): Update prototype.
528 (default_defs): Declare.
530 2005-12-16 Jeff Law <law@redhat.com>
532 * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
533 (simplify_rhs_and_lookup_avail_expr): Kill. Remnants moved
534 into tree-ssa-forwprop.c.
535 (eliminate_redundant_computations): Do not call
536 simplify_rhs_and_lookup_avail_expr anymore.
537 * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
538 extracted from remnants of simplify_rhs_and_lookup_avail_expr.
539 (tree_ssa_forward_propagate_single_use_vars): Call
540 simplify_not_neg_expr appropriately.
542 2005-12-16 Bernd Trog <berndtrog@yahoo.com>
545 * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
547 2005-12-17 Kazu Hirata <kazu@codesourcery.com>
549 PR rtl-optimization/25456
550 * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
551 info->x_start with p->x_start.
553 2005-12-17 Alan Modra <amodra@bigpond.net.au>
555 * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
556 introduced 2005-12-16.
558 2005-12-16 Steven Bosscher <stevenb@suse.de>
560 PR rtl-optimization/23837
561 * optabs.c (expand_binop): For a multi-word rotate, never emit
562 a REG_NO_CONFLICT block.
564 2005-12-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
567 * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
570 * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
573 2005-12-16 Steven Bosscher <stevenb@suse.de>
575 * loop-invariant.c (move_loop_invariants): Add missing hunk from
576 the previous patch, to nullify df.
578 2005-12-16 Steven Bosscher <stevenb@suse.de>
580 * reorg.c (mostly_true_jump): Clean up code depending on
581 LABEL_OUTSIDE_LOOP_P and loop notes. Remove code doing
582 poor man's branch prediction, instead rely on REG_BR_PROB
583 notes to be available.
585 2005-12-16 Jakub Jelinek <jakub@redhat.com>
587 PR rtl-optimization/24899
588 * loop.c (strength_reduce): Don't reduce giv that is not always
589 computable and where add_val or mult_val can trap.
591 * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
593 2005-12-16 Nathan Sidwell <nathan@codesourcery.com>
595 * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
596 names of ms1-16-002 files.
598 2005-12-16 Alan Modra <amodra@bigpond.net.au>
601 * gcc.c (for_each_path): New function.
602 (add_to_obstack, file_at_path): New functions.
603 (struct file_at_path_info, struct add_to_obstack_info): New.
604 (build_search_list): Rewrite using for_each_path. Constify struct
605 path_prefix pointer. Add do_multi param. Adjust all callers.
606 (find_a_file): Similarly, but just change existing param to bool.
607 (putenv_from_prefixes): Add do_multi param, make "paths" const.
608 (do_spec_path): Delete.
609 (struct spec_path_info): New.
610 (spec_path): New function.
611 (do_spec_1): Use for_each_path for %D and %I.
612 (find_file): Adjust for find_a_file changes.
613 (main): Search multilibs for specs. Print multilib lib path for
614 -print-search-dirs. Likewise add multilibs to LIBRARY_PATH_ENV.
615 (read_specs): Search multilibs for %include and %include_noerr.
616 (is_directory): Remove second string param. Change last param
617 to a bool. Don't use concat. Remove SMALL_ARG_MAX test, always
618 check path is a dir. Update all callers.
619 * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
620 * system.h (SMALL_ARG_MAX): Poison.
621 * config.gcc: Don't define SMALL_ARG_MAX.
622 * config.host: Likewise.
623 * config.build: Likewise.
625 2005-12-16 Paolo Bonzini <bonzini@gnu.org>
627 * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
628 FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
629 ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
630 simplify_logical): Move simplifications that do not require
631 additional infrastructure...
632 * simplify-rtx.c (simplify_unary_operation_1,
633 simplify_binary_operation_1): ... here.
635 2005-12-16 Andreas Krebbel <krebbel1@de.ibm.com>
638 * flow.c (mark_used_dest_regs): New function.
639 (mark_used_regs): Call mark_used_dest_regs.
641 2005-12-16 Jeff Law <law@redhat.com>
643 * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
644 represent a use and definition of the same SSA_NAME.
646 2005-12-16 Jon Grimm <jgrimm2@us.ibm.com>
647 Janis Johnson <janis187@us.ibm.com>
648 Ben Elliston <bje@au.ibm.com>
650 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
651 (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
652 * target.h (struct gcc_target): Add decimal_float_supported_p.
653 * targhooks.c (default_scalar_mode_supported_p): Handle
655 * builtins.def: Add new builtins for 32, 64 and 128 bit variants
656 of inf, nan, finite, isinf and isnan.
657 * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
658 BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
659 BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
660 BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
661 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
662 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
663 BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
664 * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
665 Pedwarn if decimal floating point types are used. Error if
666 decimal floating point is not supported by the target.
667 (finish_declspecs): Return type from DFP typespec_word.
668 * c-typeck.c (c_common_type): Choose the decimal floating point
669 type with the greater precision when determining a common type.
670 (convert_arguments): Warn if there is a mismatch between argument
671 and prototype for decimal float types. Warn of conversions with
672 binary float types and of precision narrowing due to prototype.
673 * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
674 (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
675 (c_token_starts_declspecs): Likewise.
676 (c_parser_attributes): Likewise.
677 * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
678 RID_DFLOAT64, RID_DFLOAT128.
679 (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
680 * c-common.c (c_common_type_for_mode): Handle decimal float modes.
681 (shorten_compare): Convert DFP/BFP operands to a common type.
682 (c_common_modes_and_builtins): Register built-in decimal float
683 types if the target supports them.
684 (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
685 * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
686 inf, nan, finite, isinf and isnan builtins.
687 * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
688 (builtin_define_float_constants): Assert non-decimal radix.
689 (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
690 Call builtin_define_decimal_float_constants for each type.
691 * c-lex.c (interpret_float): Decode decimal float types from CPP_N
692 flags. Use real_from_string3, which can handle binary or decimal
694 * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
695 cts_dfloat64, cts_dfloat128.
696 * tree.c (build_common_tree_nodes_2): Add decimal float types.
697 * tree.h (enum tree_index): Add new enumeration values
698 TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
699 TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
700 (dfloat32_type_node): New macro.
701 (dfloat64_type_node, dfloat128_type_node): Likewise.
702 (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
703 (dfloat128_ptr_type_node): Likewise.
704 * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
705 bit decimal floating point types with "df", "dd" and "dl".
706 * c-format.h (enum format_lengths): Add new enumeration values
707 FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
708 * c-format.c (printf_length_specs, scanf_length_specs): Add
709 entries for H, D, DD.
710 (print_char_table, scan_char_table): Use new entries.
711 (asm_fprintf_char_table, gcc_diag_char_table,
712 gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
714 * defaults.h (DECIMAL32_TYPE_SIZE): Define.
715 (DECIMAL64_TYPE_SIZE): Likewise.
716 (DECIMAL128_TYPE_SIZE): Likewise.
717 (TARGET_DEC_EVAL_METHOD): Likewise.
718 * doc/extend.texi (Decimal Float): New node.
719 (Constructing Calls): Document decimal float built-ins.
720 * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
721 * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
722 * ginclude/decfloat.h: New file.
724 2005-12-16 Alan Modra <amodra@bigpond.net.au>
726 * reload.c (find_reloads): Fix comment typo.
727 * recog.h (recog_memoized): Correct comment.
729 2005-12-16 Kazu Hirata <kazu@codesourcery.com>
731 * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
732 config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
733 reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
734 tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
735 * doc/invoke.texi, doc/tm.texi: Fix typos.
737 2005-12-16 Ben Elliston <bje@au.ibm.com>
739 * real.c (decimal_quad_format): Correct values for emin, emax.
741 2005-12-15 DJ Delorie <dj@redhat.com>
743 * config/m32c/predicates.md (m32c_psi_scale): New.
744 * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
745 * config/m32c/muldiv.md (mulpsi3): Support negative constants.
747 2005-12-16 Jan Hubicka <jh@suse.cz>
749 PR rtl-optimization/25224
750 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
753 2005-12-15 Zdenek Dvorak <dvorakz@suse.cz>
754 Steven Bosscher <stevenb@suse.de>
756 * loop-invariant.c (df): New global variable.
757 (find_defs, check_dependencies, find_invariant_insn, record_uses,
758 find_invariants_bb, find_invariants_body, find_invariants,
759 find_invariants_to_move, move_invariants, free_inv_motion_data,
760 move_single_loop_invariants, move_loop_invariants): Do not pass df in
763 2005-12-15 Jakub Jelinek <jakub@redhat.com>
765 * varasm.c (default_unique_section_1): Use special section
766 names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
768 2005-12-16 Ben Elliston <bje@au.ibm.com>
770 * doc/invoke.texi (Warning Options): Document -Walways-true being
773 2005-12-15 Joseph S. Myers <joseph@codesourcery.com>
776 * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
777 * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
778 __floatunditf): Use #error if type sizes don't match requirements
780 (__floatdisf, __floatdidf): Unify. Possibly use XFmode or TFmode
781 as wider floating-point type. Use #error if type sizes don't
782 match requirements of implementation. Avoid overflow in computing
783 Wtype_MAXp1_F * Wtype_MAXp1_F. When special casing conversion,
784 shift one more bit. Cast 1 to DWtype or UDWtype for shifting.
785 (__floatundisf, __floatundidf): Likewise.
786 * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
787 * config/ia64/ia64.c (ia64_init_libfuncs): Use
788 _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
789 TFmode-TImode conversions.
790 * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
792 2005-12-14 Craig Rodrigues <rodrigc@gcc.gnu.org>
794 * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
795 Use builtin_define_with_int_value() instead of
796 adding a new check for every new major FreeBSD version.
798 2005-12-14 Andrew Pinski <pinskia@physics.uc.edu>
800 * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
802 2005-12-15 Richard Sandiford <richard@codesourcery.com>
804 * config/arm/predicates.md (call_memory_operand): New.
805 * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
807 2005-12-15 Andrew Haley <aph@redhat.com>
809 * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
810 against prev_cache_entry == NULL when moving a cache entry to the
813 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
815 * config/mt/mt.c (mt_override_options): Require lower case
816 architectures. Revert accidental default to ms2.
817 * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
818 ENDFILE_SPEC): Require lower case architectures. Revert default
821 * doc/invoke.texi (MT Options): Rename and update.
822 * doc/md.texi (MorphoTech family): Rename and update.
824 2005-12-15 Olivier Hainque <hainque@adacore.com>
826 * stor-layout.c (layout_type): Don't complain about a too small
827 an array element type size compared to its alignment when the
830 2005-12-15 Jan Hubicka <jh@suse.cz>
833 * i386.c (classify_argument): Properly adjust offset of bitfield for
836 2005-12-15 Richard Sandiford <richard@codesourcery.com>
838 * final.c (final_scan_insn): Flip in_cold_section_p when changing
839 between the hot and cold sections. Use current_function_section
840 to get the new section.
841 * dwarf2out.c (output_line_info): Use in_cold_section_p to
842 determine whether we are assembling hot or cold code.
843 (secname_for_decl, dwarf2out_var_location): Likewise.
844 (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
845 * varasm.c (last_text_section): Delete.
846 (in_cold_section_p): New variable.
847 (hot_function_section): New function.
848 (current_function_section): Pass in_cold_section_p as the
849 reloc argument to select_section. Use it to decide between
850 unlikely_function_section and hot_function_section.
851 (assemble_start_function): Use switch_to_section. Set
852 in_cold_section_p instead of last_text_section.
853 (assemble_end_function): Use switch_to_section.
854 (switch_to_section): Don't set last_text_section.
855 * config/darwin/darwin.c (machopic_select_section): Trust the reloc
856 argument to make the right choice between hot and cold sections.
858 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
860 Second part of MS1->MT renaming
861 * config/mt/mt.md (doloop_end): Call mt_add_loop.
862 (movqi, movhi): Call mt_set_memflags.
863 (*movdf_internal): Call mt_split_words.
864 (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
866 (cmpsi): Store to mt_compare_op[01].
867 (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
868 bungt, bunle, bunlt): Call mt_emit_cbranch.
869 (prologue): Call mt_expand_prologue.
870 (epilogu): Call mt_expend_epilogue.
871 (eh_return): Call mt_expand_eh_return.
872 (eh_epilogue): Call me_emit_eh_epilogue.
873 (conditional_trap): Store to mt_compare_op[01].
874 * config/mt/crti.asm: Adjust comment.
875 * config/mt/crtn.asm: Adjust comment.
876 * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
877 (mt_compare_op0, mt_compare_op1): Renamed.
878 (current_frame_info, zero_frame_info): Adjust type.
879 (mt_ucmpsi3_libcall): Renamed.
880 (mt_flag_delayed_branch): Renamed.
881 (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
882 (mt_nops_required, mt_nop_reasons): Renamed.
883 (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
884 mt_debug_stack, mt_print_operand_simple_address,
885 mt_print_operand_address, mt_print_operand): Renamed, adjusted.
886 (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
887 mt_function_arg_advance, mt_arg_partial_bytes,
888 mt_pass_by_reference, mt_function_arg_boundary,
889 mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
890 mt_legitimate_address_p): Renamed, adjusted.
892 (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
893 mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
894 mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p,
895 mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
896 mt_expand_eh_return, mt_emit_eh_prologue,
897 mt_handl_interrupt_attribute): Renamed, adjusted.
898 (mt_attribute_table): Renamed, adjusted.
899 (mt_initial_elimination_offset, mt_generate_compare,
900 mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
901 mt_secondary_reload_class, mt_function_value, mt_split_words,
902 mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
903 mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
904 (mt_labels): Renamed.
905 (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
906 mt_machine_reorg): Renamed, adjusted.
907 (mt_attribute_table: Renamed.
908 (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
909 TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
910 TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
911 * config/mt/mt.opt (march): Set mt_cpu_string.
912 * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
913 (TARGET_CPU_CPP_BUILTINS): Adjust.
914 (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
916 (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
917 (MT_MIN_INT): Renamed.
918 (RETURN_ADDR_RTX): Adjust.
919 (struct mt_frame_info): Renamed.
920 (current_frame_info): Adjust type.
921 (INITIAL_ELIMINATION_OFFSET): Adjust.
922 (MT_NUM_ARG_REGS): Renamed.
923 (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
924 FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
925 LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
926 GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
927 FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
928 (mt_compare_op0, mt_compare_op1): Renamed.
929 * config/mt/mt-protos.h: Rename prototypes.
931 2005-12-15 Richard Guenther <rguenther@suse.de>
933 * tree-flow.h (okay_component_ref_for_subvars): Remove.
934 (get_ref_base_and_extent): Declare.
935 * tree-dfa.c (okay_component_ref_for_subvars): Remove.
936 (get_ref_base_and_extent): New function.
937 * tree-ssa-alias.c (find_used_portions): Use it.
938 * tree-ssa-structalias.c (get_constraint_for_component_ref):
940 * tree-ssa-operands.c (get_expr_operands): Likewise.
942 2005-12-15 Paolo Bonzini <bonzini@gnu.org>
944 * combine.c: Remove force_to_mode's fourth parameter.
945 (force_to_mode): Do not handle REG.
946 (canon_reg_for_combine): New.
947 (make_field_assignment): Use it where the removed argument was non-NULL.
949 2005-12-15 Alan Modra <amodra@bigpond.net.au>
952 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
953 error_mark_node. Make alignment params unsigned.
954 * config/rs6000/rs6000-protos.h
955 (rs6000_special_round_type_align): Update prototype.
956 (rs6000_machopic_legitimize_pic_address): Remove arg names.
958 2005-12-14 Ulrich Weigand <uweigand@de.ibm.com>
960 PR rtl-optimization/25310
961 * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
962 of the eliminable register when substituting into a PLUS.
964 2005-12-14 Jakub Jelinek <jakub@redhat.com>
967 * config/i386/i386.c (ix86_force_to_memory): Always use
968 SImode push for HImode in -m32.
969 (ix86_free_from_memory): Likewise.
971 2005-12-14 Richard Sandiford <richard@codesourcery.com>
973 * gcc/config/arm/arm.md: Provide a big-endian version of the
974 (zero_extend:SI (subreg:QI ...)) splitter.
976 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
978 * struct-equiv.c (note_local_live): Handle hard regs with different
981 2005-12-14 Jeff Law <law@redhat.com>
983 * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
984 to a structure containing state rather than a pointer to bool.
985 (case ARRAY_REF): New code to handle folding some array references.
986 (case ADDR_EXPR): Note when we are processing expressions found
987 within an ADDRE_EXPR.
988 (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
989 for state variables rather than just a pointer to a boolean.
990 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
991 handling of constant string references.
993 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
995 * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
996 ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
997 ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
998 Move other tst* patterns to retain partial order.
1000 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
1002 * config/s390/s390.md ("d0", "1"): New mode attributes.
1003 ("<shift>di3", "<shift>si3"): Merge.
1004 ("*<shift>di3_and", "*<shift>si3_and"): Merge.
1005 ("ashrdi3", "ashrsi3"): Merge.
1006 ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
1007 ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
1008 ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
1009 ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
1010 ("*ashrdi3", "*ashrsi3"): Merge.
1011 ("*ashrdi3_and", "*ashrsi3_and"): Merge.
1013 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
1015 * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
1016 ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
1017 ("*extendqidi2", "*extendqisi2") Merge.
1018 ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
1019 ("zero_extendhidi2", "zero_extendqidi2"): Merge.
1020 ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
1021 Move some patterns to retain partial ordering.
1023 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
1025 * config/s390/s390.md ("atype", "length"): Rewrite.
1026 ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
1028 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
1030 * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
1032 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
1034 * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
1035 PARALLELs with a mode.
1037 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
1039 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
1040 cond_expr parameter.
1042 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
1044 * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
1046 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
1050 * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
1053 * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
1055 2005-12-14 Jakub Jelinek <jakub@redhat.com>
1059 * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
1060 DECL_P, call get_section rather than get_named_section. Supply
1061 section flags to it.
1063 2005-12-14 Ben Elliston <bje@au.ibm.com>
1065 * c-common.c (c_common_truthvalue_conversion): Generalise warning
1066 for addresses converted to booleans; not just function addresses.
1067 * c-typeck.c (build_binary_op): Warn for address comparisons which
1068 can never be NULL (eg. func == NULL or &var == NULL).
1069 * common.opt (Walways-true): New option.
1070 * c-opts.c (c_common_handle_option): Set it with -Wall.
1071 * doc/invoke.texi: Document it.
1073 2005-12-13 Paul Brook <paul@codesourcery.com>
1075 * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
1076 __floatunsidf, __floatunsisf, __floatunsixf): New functions.
1078 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
1080 * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
1081 (EXTRA_MULTILIB_PARTS): Define.
1083 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
1085 PR rtl-optimization/20070 / part1
1086 * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
1087 count_or_remove_death_notes with kill == -1.
1088 (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
1089 registers if PROP_POST_REGSTACK is set.
1090 (mark_used_reg): Likewise.
1091 (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
1092 REG_UNUSED notes for stack regs.
1093 * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
1094 to match rtx_equiv_p machinery. Change caller.
1095 (outgoing_edges_match): Likewise.
1096 (try_crossjump_to_edge): Use struct_equiv_block_eq
1097 instead of flow_find_cross_jump.
1098 * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
1099 (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
1100 (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
1101 (STRUCT_EQUIV_MAX_LOCAL): Likewise.
1102 (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
1103 (insns_match_p): Update prototype.
1104 (flow_find_cross_jump): Remove prototype.
1105 (struct_equiv_block_eq, struct_equiv_init): Declare.
1106 (rtx_equiv_p, condjump_equiv_p): Likewise.
1107 * struct-equiv.c: Include reload.h.
1108 (IMPOSSIBLE_MOVE_FACTOR): Define.
1109 (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
1110 (struct_equiv_improve_checkpoint): Likewise.
1111 (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
1112 (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
1113 (struct_equiv_merge, find_dying_input): Likewise.
1114 (resolve_input_conflict, note_local_live): Likewise.
1115 (death_notes_match_p): Change parameters and processing
1116 to match rtx_equiv_p machinery. Change caller.
1117 (insns_match_p): Likewise.
1118 (flow_find_cross_jump): Replace with:
1119 (struct_equiv_block_eq).
1121 Back out this change:
1122 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
1123 * recog.c (verify_changes): Make it static.
1124 * recog.h: Remove the corresponding prototype.
1126 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
1128 * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
1131 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
1133 * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
1134 (MULTILIB_DIRNAMES): Add ms2. Prefix ms1 dirs with 'ms1'.
1135 * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
1136 TARGET_MS1_64_001 appropriately.
1137 (ms1_machine_reorg): Use TARGET_MS2.
1139 2005-12-13 Jakub Jelinek <jakub@redhat.com>
1143 * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
1144 and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
1145 Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
1146 * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
1147 Set mode to SI, adjust constraints.
1148 (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
1149 * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
1152 2005-12-13 Carlos O'Donell <carlos@codesourcery.com>
1154 * c-cppbuiltin.c (builtin_define_float_constants): Add
1155 fp_cast parameter, pass to builtin_define_with_hex_fp_value.
1156 Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
1157 (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
1158 (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
1159 to "((double)%sL)" otherwise "%s".
1161 2005-12-13 Paul Brook <paul@codesourcery.com>
1163 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
1166 2005-12-11 Rafael vila de Espndola <rafael.espindola@gmail.com>
1168 * tree-flow.h: Allow compilation with a C++ compiler.
1169 (struct edge_prediction): Prefix all field names with "ep_".
1170 * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
1171 (tree_predict_edge, combine_predictions_for_bb): Likewise.
1172 (remove_predictions_associated_with_edge): Likewise.
1174 2005-12-12 Jeff Law <law@redhat.com>
1176 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1178 * passes.c (init_optimization_passes): Run reassociation again
1179 after loop optimizations.
1181 2005-12-12 Daniel Berlin <dberlin@dberlin.org>
1183 * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
1185 (optimize_stmt): Ditto.
1186 (canonicalize_comparison): New function.
1187 * tree-ssa-operands.c (swap_tree_operands): Make external.
1188 (get_expr_operands): Stop auto-canonicalization.
1189 * tree-ssa-reassoc.c: Rewrite.
1190 (init_optimization_passes):
1191 * tree-flow.h (swap_tree_operands): Prototype.
1192 * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
1194 2005-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1196 * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
1197 indicate function epilogue has been output.
1198 (pa_asm_output_mi_thunk): Likewise.
1199 (output_deferred_plabels): Put plabels in readonly data section when
1200 not generating PIC code.
1201 (som_output_text_section_asm_op): Use .NSUBSPA to output debug
1202 information. Add assert.
1203 (som_output_comdat_data_section_asm_op): New function.
1204 (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
1205 instead of output_section_asm_op for COMDAT sections.
1207 2005-12-12 J"orn Rennecke <joern.rennecke@st.com>
1209 * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
1210 Fix whitespace in vincinity of to-be-installed changes.
1211 * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
1212 (insns_match_p): Likewise.
1214 2005-12-12 Nathan Sidwell <nathan@codesourcery.com>
1216 * config.gcc (ms1): Replace with ...
1218 * config/ms1: Rename to ...
1219 * config/mt: ... here. Rename ms1 files to mt.
1220 * config/mt/mt.c: Adjust gt-mt.h #include.
1221 * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
1222 (crti.o, crtn.o): Adjust file names.
1224 2005-12-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1226 * varray.h: Allow compilation with a C++ compiler.
1227 (union varray_data_tag): Prefix all field names with "vdt_".
1228 (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
1229 VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
1230 VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
1231 VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
1232 VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
1233 VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
1234 (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
1235 VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT,
1236 VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT,
1237 VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR,
1238 VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR,
1239 VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE,
1240 VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB,
1241 VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
1242 (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT,
1243 VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT,
1244 VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT,
1245 VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR,
1246 VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX,
1247 VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP,
1248 VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE,
1249 VARRAY_TOP_TREE_PTR): Likewise.
1250 * varray.c (varray_grow): Likewise.
1251 (varray_clear): Likewise.
1253 2005-12-12 Alan Modra <amodra@bigpond.net.au>
1256 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
1257 alignment to doubleword if the first field is a double array.
1258 * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
1260 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1262 * tree-ssa-structalias.c (process_constraint): Remove code to
1263 transform addressofs into scalar.
1264 (create_variable_info_for): In whole-program IPA, globals don't
1265 point to ANYTHING by default.
1267 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1269 * timevar.def (TV_IPA_PTA): New.
1270 * tree-pass.h (pass_ipa_pta): New
1271 * tree-ssa-structalias.c: Include cgraph.h
1273 (predbitmap_obstack): New.
1274 (EXECUTE_IF_IN_NONNULL_BITMAP): New.
1275 (struct constraint_stats): Add num_edges.
1276 (new_var_info): Don't call bitmap_clear.
1277 (struct constraint_edge): Update docs.
1278 (new_constraint_edge): Remove src param.
1279 (struct constraint_graph): Add zero_weight_succs,
1280 zero_weight_preds. Update docs.
1281 (constraint_expr_equal): Reformat.
1282 (constraint_edge_equal): Update for removal of src.
1283 (constraint_edge_less): Ditto.
1284 (constraint_edge_vec_find): Ditto.
1285 (erase_graph_self_edge): Update for removal of src and and zero
1287 (clear_edges_for_node): Ditto.
1288 (add_graph_edge): Ditto.
1289 (get_graph_weights): Ditto.
1290 (allocate_graph_weights): Ditto.
1291 (merge_graph_nodes): Ditto.
1292 (int_add_graph_edge): Ditto.
1293 (valid_graph_edge): Ditto.
1294 (valid_weighted_graph_edge): Ditto.
1295 (build_constraint_graph): Ditto.
1297 (collapse_nodes): Ditto.
1298 (process_unification_queue): Ditto.
1299 (topo_visit): Ditto.
1300 (solve_graph): Ditto.
1301 (do_structure_copy): Ditto.
1302 (perform_var_substitution): Ditto.
1303 Init and release obstack.
1304 (handle_ptr_arith): Try to resolve directly.
1305 (find_func_aliases): Don't call update_alias_info here
1306 Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
1307 (do_sd_constraint): Add code for propagating faster.
1309 (do_ds_constraint): Ditto.
1310 (count_num_arguments): New function.
1311 (create_function_info_for): Ditto.
1312 (create_variable_info_for): Handle FUNCTION_DECL.
1313 (intra_create_variable_infos): Use make_constraint_to_anything.
1314 (init_alias_vars): Init obstacks here.
1315 (need_to_solve): Handle zero weight graph changes.
1316 (compute_points_to_sets): Call update_alias_info here.
1317 (delete_points_to_sets): Free zero weight preds/succs here.
1318 (gate_ipa_pta): New.
1319 (ipa_pta_execute): New
1321 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1323 * tree-ssa-structalias.c (var_anyoffset): Removed.
1324 (anyoffset_tree): Ditto.
1325 (anyoffset_id): Ditto.
1326 (do_deref): Take vector of constraints, no return value.
1327 Update to work on vector.
1328 (get_constraint_for): Ditto.
1329 (get_constraint_for_component_ref): Ditto.
1330 (do_structure_copy): Ditto.
1331 (handle_ptr_arith): Ditto.
1332 (find_func_aliases): Ditto.
1333 (set_uids_in_ptset): Remove anyoffset handling.
1334 (init_base_vars): Ditto.
1336 2005-12-10 Mark Mitchell <mark@codesourcery.com>
1339 * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
1340 DECL_EXTERNAL functions have no bodies. Tidy.
1342 2005-12-10 Andreas Schwab <schwab@suse.de>
1344 * except.c (switch_to_exception_section): Only define if
1345 TARGET_UNWIND_INFO is not defined.
1347 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1349 * config/darwin.h (HAS_INIT_SECTION): Remove definition.
1350 (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
1352 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1354 * output.h (init_section, fini_section): Delete.
1355 * varasm.c (init_section, fini_section): Delete.
1356 (init_varasm_once): Don't initialize them.
1357 * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
1358 there are no corresponding varasm.c variables.
1360 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1362 * dwarf2out.c (default_eh_frame_section): Delete, moving handling
1363 of EH_FRAME_SECTION_NAME into...
1364 (switch_to_eh_frame_section): ...here. Try to set eh_frame_section
1365 if it is still null.
1366 * except.c (default_exception_section): Delete, moving most
1368 (switch_to_exception_section): ...this new function. Set
1369 exception_section if it is still null, then switch to it.
1370 (output_function_exception_table): Use switch_to_exception_section.
1371 * varasm.c (exception_section, eh_frame_section): Update comments.
1372 (get_section): Hoist use of SECTION_NAMED.
1373 (init_varasm_once): Don't set exception_section and eh_frame_section.
1374 * output.h (default_exception_section): Delete.
1375 (default_eh_frame_section): Delete.
1377 2005-12-09 Bernd Schmidt <bernd.schmidt@analog.com>
1379 * config/bfin/bfin.c: Include "cgraph.h".
1380 (bfin_load_pic_reg): Omit loading pic reg if in a local function.
1381 Return the reg that holds the pointer to the GOT.
1382 (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
1383 doing stack checking.
1385 2005-12-09 Diego Novillo <dnovillo@redhat.com>
1387 * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
1388 recompute_tree_invarant_for_addr_expr.
1389 Update uses everywhere.
1391 2005-12-09 Aldy Hernandez <aldyh@redhat.com>
1393 * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
1394 (MULTILIB_DIRNAMES): Define.
1396 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
1399 * config/s390/s390.c (struct s390_address): New field literal_pool.
1400 (s390_decompose_address): Compute literal_pool field. Do not
1401 assume register %r13 is always (and solely) used as pool base.
1402 (s390_extra_constraint_str): Use literal_pool field.
1404 2005-12-09 Thiemo Seufer <ths@networkno.de>
1406 * config/mips/mips.c (override_options): Don't allow too small
1407 integers in FP registers.
1409 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
1411 * config/s390/s390.c (s390_function_ok_for_sibcall): Use
1412 targetm.binds_local_p to check for local function calls.
1414 2005-12-09 Alan Modra <amodra@bigpond.net.au>
1417 * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1418 call_used_regs can't be used to save reg in another reg.
1420 2005-12-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1421 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1423 * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1425 * except.c (output_ttype): Likewise.
1426 * tree-object-size.c (collect_object_sizes_for): Likewise.
1427 (check_for_plus_in_loops_1): Likewise.
1428 (check_for_plus_in_loops): Likewise.
1429 (compute_object_sizes): Use gcc_unreachable instead of abort.
1431 2005-12-08 Nathan Sidwell <nathan@codesourcery.com>
1433 * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1434 (loop_end, loop_init, doloop_end): New insns.
1435 * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1436 (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1437 (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1438 (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1439 * config/ms1/ms1.c: #include basic-block.h
1440 (struct machine_function): Add has_loops field.
1441 (ms1_add_loop): New.
1442 (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1443 (struct loop_info, struct loop_work): New.
1444 (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1445 (ms1_reorg_loops): New loop optimization.
1446 (ms1_machine_reorg): Call it.
1447 * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1449 2005-12-08 Zdenek Dvorak <dvorakz@suse.cz>
1451 PR tree-optimization/25248
1452 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1453 evolution_of_loop from the failed attempt. Remove handling
1456 2005-12-08 Gabriel Dos Reis <gdr@integrable-solutions.net>
1458 * tree.h (DECL_EXTERNAL): Clarify documentation.
1460 2005-12-08 Andreas Krebbel <krebbel1@de.ibm.com>
1461 Jakub Jelinek <jakub@redhat.com>
1464 * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1465 argument. Don't drop outer ANDs.
1466 (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1467 * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1469 * config/s390/predicates.md (setmem_operand): Remove.
1470 (shift_count_operand): Rename to...
1471 (shift_count_or_setmem_operand): ... this. Adjust
1472 s390_decompose_shift_count caller.
1473 * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1474 ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1475 ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1476 <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1477 rotl<mode>3_and, setmem_long_and): New insns.
1478 (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1479 ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1480 <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1481 <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1482 of shift_count_operand.
1483 (setmem_long): Use shift_count_or_setmem_operand instead of
1486 2005-12-08 Daniel Jacobowitz <dan@codesourcery.com>
1487 Andreas Tobler <a.tobler@schweiz.ch>
1489 * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1492 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1494 * expr.c (force_operand): Use convert_to_mode for conversions.
1496 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1498 * reload.h (reg_equiv_invariant): Declare.
1499 * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1500 register also when reg_equiv_invariant[R] is set.
1502 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1503 Andreas Tobler <a.tobler@schweiz.ch>
1505 * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1507 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
1509 * tree-ssa-pre.c (bitmap_set_and): New function.
1510 (bitmap_set_and_compl): New function.
1511 (bitmap_set_empty_p): New function.
1512 (insert_extra_phis): New function.
1513 (compute_avail): Use insert_extra_phis.
1515 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
1517 * config/s390/s390.c (s390_expand_atomic): New function.
1518 Adjust comment of helper functions.
1519 * config/s390/s390-protos.h (s390_expand_atomic): Declare.
1520 * config/s390/s390.md ("ATOMIC"): New code macro.
1521 ("atomic"): Corresponding new code attribute.
1522 ("sync_lock_test_and_set[hq]i",
1523 "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1525 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
1527 * config/s390/s390.c (s390_expand_mask_and_shift,
1528 struct alignment_context, init_alignment_context,
1529 s390_expand_cs_hqi): New.
1530 * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1531 * config/s390/s390.md ("sync_compare_and_swaphi",
1532 "sync_compare_and_swapqi"): New pattern.
1534 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
1536 Fix PR tree-optimization/25291
1537 * tree-ssa-operands.c (add_call_clobber_ops): Remove
1538 redundant and crashing check.
1540 2005-12-08 Alan Modra <amodra@bigpond.net.au>
1543 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1544 tests further when !strict && reload_in_progress.
1545 (print_operand): Check that both operands of indexed address are regs.
1546 (print_operand_address): Likewise.
1547 * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1548 (INT_REG_OK_FOR_BASE_P): Correct.
1550 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1552 Preparation for PR rtl-optimization/20070 / part1
1553 * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1554 * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1555 outgoing_edges_match.
1556 (outgoing_edges_match): Use condjump_equiv_p.
1557 (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1559 * struct-equiv.c: New file.
1560 (death_notes_match_p) New function, broken out of insns_match_p.
1561 * Makefile.in (OBJS-common): Add struct-equiv.o.
1562 (struct-equiv.o): New target.
1564 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1566 * coretypes.h: Revert previous change.
1567 * config/darwin.h: Revert previous reversion.
1568 * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1570 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1572 * coretypes.h (section): Provide dummy definition for target files.
1573 * config/darwin.h: Revert previous change.
1575 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1577 * doc/sourcebuild.texi (all.build, install-normal): Remove.
1578 * configure.ac: Remove all.build and install-normal from target_list
1579 * configure: Regenerate.
1580 * Makefile.in (install): Don't depend on install-normal.
1582 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1584 * Makefile.in: Document the use of stamps.
1586 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1588 * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1589 * Makefile.in: Add code to compute some dependencies on s-gtype
1590 automatically. Remove the declaration of those dependencies.
1592 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1594 * gcc/reload.c (push_secondary_reload): Fix typo:
1595 s/insn_constraint/scratch_constraint/.
1597 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1599 * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1601 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1603 * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1604 (alpha_elf_select_rtx_section): Return the selected section rather
1605 than emitting assembly code.
1606 (alpha_write_linkage): Emit a ".link" directive directly and then
1607 set in_section to NULL.
1608 (vms_asm_out_constructor): Use switch_to_section.
1609 (vms_asm_out_destructor): Likewise.
1610 (unicosmk_output_common): Set in_section to NULL instead of calling
1611 the dummy common_section function.
1612 (unicosmk_text_section): Delete in favor of...
1613 (unicosmk_output_text_section_asm_op): ...this new function.
1614 (unicosmk_data_section): Delete in favor of...
1615 (unicosmk_output_data_section_asm_op): ...this new function.
1616 (unicosmk_init_sections): New function.
1617 (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1618 (unicosmk_output_ssib): Set in_section to NULL instead of calling
1619 the dummy ssib_section function.
1620 (unicosmk_section_buf): Delete.
1621 * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1622 (unicosmk_data_section): Delete.
1623 * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1624 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1625 (SECTION_FUNCTION_TEMPLATE): Delete.
1626 * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1627 (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1628 (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1629 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1630 (TARGET_ASM_INIT_SECTIONS): Define.
1631 * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1632 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1633 (link_section, literals_section): Delete.
1634 (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1635 set in_section to NULL.
1637 * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1638 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1639 (COMMON_SECTION): Delete.
1640 (TARGET_ASM_INIT_SECTIONS): Define.
1641 (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1642 the dummy common_section function.
1643 * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1644 * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1645 between readonly_data_section and text_section to check whether
1646 read-only data is being put in the text section.
1647 (arm_output_function_epilogue): Use switch_to_section.
1648 (arm_elf_asm_constructor): Likewise.
1649 (thumb_call_via_reg): Replace call to in_text_section with
1650 a comparison between in_section and text_section.
1651 (arm_file_end): Use switch_to_section.
1652 (aof_text_section): Delete in favor of...
1653 (aof_output_text_section_asm_op): ...this new function.
1654 (aof_data_section): Delete in favor of...
1655 (aof_output_data_section_asm_op): ...this new function.
1656 (aof_asm_init_sections): New function.
1657 (zero_init_section): Moved from config/arm/aof.h.
1658 (aof_dump_imports, aof_file_start): Use switch_to_section.
1659 * config/arm/arm.h (thumb_call_via_label): Update comment.
1660 * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1661 (common_section): Delete.
1662 * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1663 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1664 global switch_to_section function instead of the old port-local one.
1665 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1666 (SWITCH_TO_SECTION_FUNCTION): Delete.
1667 (drectve_section): Redefine as a macro.
1668 * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1669 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1672 * config/avr/avr.c (progmem_section): New variable.
1673 (avr_output_progmem_section_asm_op): New function.
1674 (avr_asm_init_sections): New function.
1675 (avr_output_addr_vec_elt): Use switch_to_section.
1676 * config/avr/avr.h (progmem_section): Declare.
1677 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1678 (READONLY_DATA_SECTION): Delete.
1679 (TARGET_ASM_INIT_SECTIONS): Define.
1680 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1681 * config/avr/avr-protos.h (progmem_section): Delete.
1683 * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1685 * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1686 (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1688 * config/darwin-sections.def: New file.
1689 * config/darwin.c: Define all sections in darwin-sections.def.
1690 (output_objc_section_asm_op, darwin_init_sections): New functions.
1691 (machopic_output_indirection): Use switch_to_section.
1692 (machopic_select_section): Return the selected section rather than
1693 emitting assembly code. Replace the static function table with
1694 inline conditional expressions. Update the tests of last_text_section
1695 and move them into the FUNCTION_DECL block.
1696 (machopic_select_rtx_section): Return the selected section rather than
1697 emitting assembly code.
1698 (machopic_asm_out_constructor, machopic_asm_out_destructor)
1699 (darwin_file_end): Use switch_to_section.
1700 * config/darwin.h: Use darwin-sections.def to declare sections.
1701 (INIT_SECTION_ASM_OP): Remove empty definition.
1702 (HAS_INIT_SECTION): Define this instead.
1703 (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1704 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1705 (TARGET_ASM_EH_FRAME_SECTION): Delete.
1706 (TARGET_ASM_INIT_SECTIONS): Define.
1707 * config/darwin-protos.h (darwin_init_sections): Declare.
1708 (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1709 (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1710 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1711 (constructor_section, destructor_section, mod_init_section): Delete.
1712 (mod_term_section): Delete.
1713 (darwin_exception_section, darwin_eh_frame_section): Delete.
1714 (machopic_select_section): Return a section.
1715 (machopic_select_rtx_section): Likewise.
1716 (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1717 (const_section, const_coal_section, const_data_section): Delete.
1718 (const_data_coal_section, data_coal_section, cstring_section): Delete.
1719 (literal4_section, literal8_section, constructor_section): Delete.
1720 (mod_init_section, mod_term_section, destructor_section): Delete.
1721 (objc_class_section, objc_meta_class_section, objc_category_section)
1722 (objc_class_vars_section, objc_instance_vars_section): Delete.
1723 (objc_cls_meth_section, objc_inst_meth_section): Delete.
1724 (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1725 (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1726 (objc_symbols_section, objc_module_info_section): Delete.
1727 (objc_image_info_section, objc_protocol_section): Delete.
1728 (objc_string_object_section, objc_constant_string_object_section)
1729 (objc_class_names_section, objc_meth_var_names_section): Delete.
1730 (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1731 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1732 (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1733 (darwin_exception_section, darwin_eh_frame_section): Delete.
1734 * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1736 * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1737 (frv_asm_out_destructor): Likewise.
1738 * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1739 (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1740 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1742 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1743 * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1744 (data_section): Delete.
1746 * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1747 (DRECTVE_SECTION_FUNCTION): Delete.
1748 (drectve_section): Redefine as a macro that sets in_section after
1749 emitting the directive.
1750 (SWITCH_TO_SECTION_FUNCTION): Delete.
1751 * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1752 in_text_section with comparison between in_section and text_section.
1753 * config/i386/i386.c (x86_64_elf_select_section): Return the section
1754 rather than emitting assembly code. Use get_named_section.
1755 (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1757 (machopic_output_stub): Use switch_to_section.
1758 * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1759 (nwld_named_section_asm_out_destructor): Use get_section and
1762 * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1763 rather than emitting assembly code.
1764 (ia64_rwreloc_select_section): Likewise.
1765 (ia64_rwreloc_select_rtx_section): Likewise.
1766 * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1767 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1769 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1770 (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1772 * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1773 section rather than emitting assembly code.
1774 (iq2000_select_section): Likewise.
1775 * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1776 (sbss_section): Delete.
1778 * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1779 and get_named_section.
1780 * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1782 * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1783 (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1784 (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1785 (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1787 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1788 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1789 global switch_to_section function instead of the old port-local one.
1790 * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1791 (SWITCH_SECTION_FUNCTION): Delete.
1792 * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1793 (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1794 (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1795 (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1797 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1798 global switch_to_section function instead of the old port-local one.
1799 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1801 * config/mips/mips.c (mips_file_start): Update comment.
1802 (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1803 (mips_output_aligned_decl_common): Use switch_to_section.
1804 (mips_select_rtx_section): Return the section rather than emitting
1805 assembly code. Use get_named_section.
1806 (mips_function_rodata_section: Likewise get_section.
1807 (build_mips16_function_stub): Use switch_to_section.
1808 * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1809 (SDATA_SECTION_ASM_OP): Delete.
1810 * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1811 (EXTRA_SECTION_FUNCTIONS): Delete.
1813 * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1814 (mmix_asm_output_aligned_local): Use switch_to_section.
1816 * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1817 (som_one_only_readonly_data_section): New variables.
1818 (pa_output_function_epilogue): Set in_section to NULL instead of
1819 calling forget_section.
1820 (output_deferred_plabels): Use select_section.
1821 (pa_asm_output_mi_thunk): Likewise. Set in_section to NULL instead
1822 of calling forget_section.
1823 (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1824 (pa_asm_output_aligned_local): Use select_section.
1825 (som_text_section_asm_op): Delete in favor of...
1826 (som_output_text_section_asm_op): ...this new function.
1827 (pa_som_asm_init_sections): New function.
1828 (pa_select_section): Return the section rather than emitting
1830 * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1831 (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1832 (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1833 (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1834 * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1835 (som_readonly_data_section, som_one_only_readonly_data_section)
1836 (som_one_only_data_section, forget_section): Delete.
1837 * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1838 (TARGET_ASM_INIT_SECTIONS): Define.
1839 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1841 * config/rs6000/rs6000.c (read_only_data_section): New variable.
1842 (private_data_section, read_only_private_data_section): New variables.
1843 (sdata2_section, toc_section): New variables.
1844 (rs6000_file_start): Use switch_to_section.
1845 (rs6000_assemble_integer): Use comparisons against in_section
1846 instead of calling in_toc_section and in_text_section. Use
1847 unlikely_text_section_p.
1848 (rs6000_elf_output_toc_section_asm_op): New function, derived
1849 from the old rs6000/sysv4.h toc_section function.
1850 (rs6000_elf_asm_init_sections): New function.
1851 (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1852 the section rather than emitting assembly code.
1853 (machopic_output_stub): Use switch_to_section.
1854 (toc_section): Delete dummy function.
1855 (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1856 switch_to_section and get_section.
1857 (rs6000_xcoff_output_readonly_section_asm_op): New function.
1858 (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1859 (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1860 the old rs6000/xcoff.h toc_section function.
1861 (rs6000_xcoff_asm_init_sections): New function.
1862 (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1863 the section rather than emitting assembly code.
1864 (rs6000_xcoff_file_start): Use switch_to_section.
1865 (rs6000_xcoff_file_end): Likewise.
1866 * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1867 (sdata2_section, sbss_section, private_data_section): Delete.
1868 (read_only_data_section, read_only_private_data_section): Delete.
1869 * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1870 (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1871 (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1872 (FINI_SECTION_FUNCTION): Delete.
1873 (TARGET_ASM_INIT_SECTIONS): Define.
1874 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1875 * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1876 (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1877 (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1878 (READONLY_DATA_SECTION): Delete.
1879 (TARGET_ASM_INIT_SECTIONS): Define.
1880 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. Set in_section
1881 to NULL rather than no_section.
1882 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1884 * config/sh/sh.c (sh_file_start): Use switch_to_section.
1886 * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1887 (sparc_output_deferred_case_vectors): Likewise. Remove argument
1888 from call to current_function_section.
1890 * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1891 (bss100_section): New variable.
1892 (xstormy16_asm_output_aligned_common): Use switch_to_section.
1893 (xstormy16_asm_init_sections): New function.
1894 (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1895 switch_to_section and get_section.
1896 (xstormy16_output_addr_vec): Use switch_to_section. Remove argument
1897 from calls to current_function_section.
1898 * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1899 (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1900 (TARGET_ASM_INIT_SECTIONS): Define.
1901 * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1903 * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1904 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1905 (FINI_SECTION_FUNCTION): Delete.
1907 * config/v850/v850.c: Include gt-v850.h.
1908 (rosdata_section, rozdata_section, tdata_section, zdata_section)
1909 (zbss_section): New variables.
1910 (v850_output_aligned_bss): Use switch_to_section.
1911 (v850_asm_init_sections): New function.
1912 (v850_select_section): Return the section rather than emitting
1914 * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1915 (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1916 (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1917 (TARGET_ASM_INIT_SECTIONS): Define.
1918 * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1919 (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1920 (zbss_section): Delete.
1922 * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1924 * config/vx-common.h (vxworks_exception_section): Delete.
1925 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1927 * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1928 section rather than emitting assembly code.
1929 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1932 * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1933 * coretypes.h (section): New union and typedef.
1934 * dbxout.c (FORCE_TEXT): Use switch_to_section. Remove argument
1935 from call to current_function_section.
1936 (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1937 (dbxout_symbol_location): Use switch_to_section.
1938 * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1939 most of the code into...
1940 (default_eh_frame_section): ...here. Return a section.
1941 (collect2_eh_frame_section): Delete, moving most of the code into..
1942 (switch_to_eh_frame_section): ...this new function.
1943 (debug_info_section, debug_abbrev_section, debug_aranges_section)
1944 (debug_macinfo_section, debug_line_section, debug_loc_section)
1945 (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1947 (output_call_frame_info): Call switch_to_eh_frame_section instead of
1948 eh_frame_section. Use switch_to_section and get_section.
1949 (dwarf2out_begin_prologue): Use switch_to_section.
1950 (AT_string_form): Check the flags in debug_str_section instead of
1951 DEBUG_STR_SECTION_FLAGS.
1952 (output_comp_unit): Use switch_to_section, get_section, and
1954 (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1955 (dwarf2out_begin_block): Use switch_to_section. Remove argument
1956 from call to current_function_section.
1957 (dwarf2out_var_location): Use unlikely_text_section_p.
1958 (dwarf2out_source_line): Use switch_to_section. Remove argument
1959 from call to current_function_section.
1960 (dwarf2out_start_source_file, dwarf2out_end_source_file)
1961 (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1962 debug_macinfo_section.
1963 (dwarf2out_init): Initialize the new section variables. Use them
1964 instead of calls to named_section_flags. Use switch_to_section.
1965 (output_indirect_string): Use switch_to_section and debug_str_section.
1966 (dwarf2out_finish): Use switch_to_section and the new section
1968 * except.c (default_exception_section): Return the section instead
1969 of emitting assembly code.
1970 (output_function_exception_table): Use the global exception_section
1971 variable instead of the target hook. Use switch_to_section. Remove
1972 argument from call to current_function_section.
1973 * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1974 (shorten_branches): Use pointer comparisons to detect whether the
1975 text section is the same as readonly_data_section.
1976 (profile_function): Use switch_to_section. Remove argument from
1977 call to current_function_section.
1978 (final_scan_insn): Likewise. Update use of last_text_section.
1979 * gengtype.c (open_base_files): Add an include of output.h.
1980 * output.h (text_section, data_section, readonly_data_section)
1981 (ctors_section, dtors_section, bss_section, init_section)
1982 (fini_section, sdata_section): Turn into section pointers.
1983 (in_text_section, in_unlikely_text_section, exports_section)
1984 (drectve_section, named_section, mergeable_string_section)
1985 (last_text_section_name): Delete.
1986 (default_exception_section, default_eh_frame_section): Return sections.
1987 (SECTION_DECLARED, SECTION_NAMED): New macros.
1988 (SECTION_MACH_DEP): Bump value.
1989 (section_common, named_section, unnamed_section): New structures.
1990 (unnamed_section_callback): New typedef.
1991 (section): New union.
1992 (sbss_section, exception_section, eh_frame_section): New variables.
1993 (in_section, last_text_section): Turn into section pointers.
1994 (get_unnamed_section, get_section, get_named_section): New functions.
1995 (mergeable_constant_section, function_section): Return a section.
1996 (unlikely_text_section): Likewise.
1997 (current_function_section): Likewise. Remove the decl argument.
1998 (unlikely_text_section_p, switch_to_section): New functions.
1999 (output_section_asm_op): New function.
2000 (set_named_section_flags, named_section_flags, named_section_real)
2001 (named_section_first_declaration): Delete.
2002 (default_select_section, default_elf_select_section): Return a section.
2003 (default_elf_select_section_1, default_function_rodata_section)
2004 (default_no_function_rodata_section, default_select_rtx_section)
2005 (default_elf_select_rtx_section): Likewise.
2006 * rtl.h (in_data_section): Delete.
2007 * sdbout.c (sdbout_one_type): Use switch_to_section.
2008 * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
2009 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
2010 (TARGET_ASM_EH_FRAME_SECTION): Poison.
2011 * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
2012 (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
2013 (TARGET_ASM_OUT): Update after above changes.
2014 * target.h (init_sections): New hook.
2015 (exception_section, eh_frame_section): Delete.
2016 (select_section, select_rtx_section, function_rodata_section): Return
2017 a section rather than emitting assembly code.
2018 * varasm.c (text_section, data_section, readonly_data_section)
2019 (ctors_section, dtors_section, bss_section, init_section)
2020 (fini_section): Turn into section pointers.
2021 (sdata_section, sbss_section, exception_section): New variables.
2022 (eh_frame_section): New variable.
2023 (in_section): Make global and turn into a section pointer.
2024 (last_text_section): Turn into a section pointer.
2025 (unnamed_sections): New variable.
2026 (in_named_name, last_text_section_name): Delete.
2027 (EXTRA_SECTION_FUNCTIONS): Delete.
2028 (in_named_entry): Delete.
2029 (section_htab): New variable, replacing...
2030 (in_named_htab): ...this deleted variable.
2031 (section_entry_eq, section_entry_hash): New functions, based on...
2032 (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
2033 (get_unnamed_section, get_section): New functions.
2034 (unlikely_text_section): Return a section instead of emitting
2036 (in_text_section, in_unlikely_text_section, in_data_section): Delete.
2037 (get_named_section_flags, named_section_first_declaration): Delete.
2038 (unlikely_text_section_p): New function.
2039 (named_section_real, named_section): Delete.
2040 (get_named_section): New function.
2041 (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
2042 (function_section): Return a section rather than emitting
2044 (current_function_section): Likewise. Remove argument. Use
2045 last_text_section if nonnull, otherwise use function_section.
2046 (default_function_rodata_section): Return a section rather than
2047 emitting assembly code. Use get_section.
2048 (default_no_function_rodata_section): Return a section rather than
2049 emitting assembly code.
2050 (variable_section): Use switch_to_section and get_named_section.
2051 (mergeable_string_section): Return a section rather than emitting
2052 assembly code. Use get_section. Make static. Don't take special
2053 countermeasures for empty strings.
2054 (mergeable_constant_section): Return a section rather than emitting
2055 assembly code. Use get_section.
2056 (default_named_section_asm_out_destructor): Use switch_to_section
2058 (default_dtor_section_asm_out_destructor): Use switch_to_section.
2059 (default_named_section_asm_out_constructor): Use switch_to_section
2061 (default_ctor_section_asm_out_constructor): Use switch_to_section.
2062 (assemble_start_function): Likewise. Set last_text_section to
2063 NULL rather than no_section. Change the type of save_section.
2064 (assemble_zeros, assemble_variable): Use the section flags to detect
2065 whether or not a section is text.
2066 (assemble_static_space): Use switch_to_section.
2067 (assemble_trampoline_template): Likewise.
2068 (output_constant_def_contents): Use switch_to_section and
2070 (output_constant_pool_1): Use switch_to_section. Use the section
2071 flags to see whether sections contain mergeable data.
2072 (init_varasm_once): Initialize section_htab instead of in_named_htab.
2073 Initialize new section variables. Call TARGET_ASM_INIT_SECTIONS.
2074 (default_elf_asm_named_section): Use SECTION_DECLARED to detect
2075 whether a section has already been declared.
2076 (default_select_section, default_elf_select_section): Return a
2077 section rather than emitting assembly code.
2078 (default_elf_select_section_1): Likewise. Use bss_section for
2079 SECCAT_BSS if nonnull. Use get_named_section.
2080 (default_select_rtx_section): Return a section rather than
2081 emitting assembly code.
2082 (default_elf_select_rtx_section): Likewise. Use get_named_section.
2083 (file_end_indicate_exec_stack): Use switch_to_section and get_section.
2084 (output_section_asm_op, switch_to_section): New functions.
2085 * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
2088 * doc/tm.texi: Expand the introduction to the sections documentation.
2089 (TRAMPOLINE_SECTION): Document new interface.
2090 (SDATA_SECTION_ASM_OP): Document new macro.
2091 (READONLY_DATA_SECTION): Delete.
2092 (SDATA_SECTION_ASM_OP): Document new macro.
2093 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2094 (TARGET_ASM_INIT_SECTIONS): Document new hook.
2095 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
2096 (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
2097 (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
2099 2005-12-07 Alan Modra <amodra@bigpond.net.au>
2101 * gcc.c (init_gcc_specs): Match braces inside conditionally
2104 2005-12-06 Geoffrey Keating <geoffk@apple.com>
2106 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
2108 2005-12-06 Aldy Hernandez <aldyh@redhat.com>
2111 * tree.c (integer_all_onesp): Always return true if all bits on.
2113 * testsuite/g++.dg/init/array0.C: New.
2115 2005-12-06 Adrian Straetling <straetling@de.ibm.com>
2117 * doc/md.texi: Adapt to implementation.
2119 2005-12-06 Andreas Schwab <schwab@suse.de>
2121 * opts.c (decode_options): Fix typo in message.
2123 2005-12-06 Alan Modra <amodra@bigpond.net.au>
2126 * longlong.h: Merge PPC tests from upstream.
2128 2005-12-06 Richard Guenther <rguenther@suse.de>
2130 * fold-const.c (fold_convert): Do not build and fold
2131 CONVERT_EXPR, but always use NOP_EXPR.
2133 2005-12-06 Jan Beulich <jbeulich@novell.com>
2135 * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
2136 __builtin_ia32_paddq and __builtin_ia32_subq.
2137 (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
2138 __builtin_ia32_pshufw.
2139 * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
2141 2005-12-05 James E Wilson <wilson@specifix.com>
2144 * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
2147 2005-12-05 Daniel Berlin <dberlin@dberlin.org>
2149 * print-tree.c (print_node): Ditto.
2150 * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
2151 * tree-dump.c (dequeue_and_dump): Check for decl_common structure
2152 before accessing DECL_ARTIFICIAL.
2153 Handle new tag tree codes.
2154 * tree-flow-inline.h (clear_call_clobbered): Update for tag
2156 (unmodifiable_var_p): Ditto.
2157 * tree-flow.h (mem_tag_kind): Remove.
2158 (struct var_ann_d): Remove mem_tag_kind member.
2159 * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
2160 * tree-pretty-print.c (dump_generic_node): Handle memory tags.
2161 * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
2162 (group_aliases): Ditto.
2163 (setup_pointers_and_addressables): Ditto.
2164 (is_escape_site): Ditto.
2165 (may_alias_p): Ditto.
2166 (create_tag_raw): New function.
2167 (create_memory_tag): Use it.
2168 (dump_alias_info): Update for tags.
2169 (may_be_aliased): Ditto.
2170 (add_type_alias): Ditto.
2171 (new_type_alias): Ditto.
2172 (create_sft): Ditto.
2173 (create_structure_vars): Ditto.
2174 * tree-ssa-ccp.c (get_default_value): Ditto.
2175 * tree-ssa-operands.c (get_expr_operands): Ditto.
2176 (add_stmt_operand): Ditto.
2177 (add_call_clobber_ops): Remove duplicated condition.
2178 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2180 * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
2181 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2182 * tree.c (init_ttree): Update structures for new tree codes.
2183 (tree_code_size): Update sizes for new tree codes.
2184 (make_node_stat): Don't try to set common things on minimal
2186 (tree_node_structure): Update for tags.
2187 (is_global_var): Ditto.
2188 * tree.def: Add new tree codes.
2189 * tree.h (MTAG_P): New macro.
2190 (TREE_MEMORY_TAG_CHECK): Ditto.
2191 (SSA_VAR_P): Update for tags.
2192 (struct tree_memory_tag): New structure.
2193 (MTAG_GLOBAL): New macro.
2194 (union tree_node): Add memory tag member.
2195 * treestruct.def (TS_MEMORY_TAG): New.
2197 2005-12-05 Dale Johannesen <dalej@apple.com>
2199 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match
2200 what was approved (PR 24323).
2202 2005-12-05 Gabriel Dos Reis <gdr@integrable-solutions.net>
2204 * doc/c-tree.texi (Function Bodies): Remove description of
2207 2005-12-05 Joseph S. Myers <joseph@codesourcery.com>
2209 * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
2210 __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
2211 __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
2212 __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
2213 __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
2214 __divxc3): Document.
2216 2005-12-05 Geoffrey Keating <geoffk@apple.com>
2218 * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
2220 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
2221 hook_bool_void_false.
2222 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2223 * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
2225 * config/darwin.c (machopic_select_section): It's not defined
2226 as weak if it's only marked as weak_import.
2228 * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
2231 * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
2232 A hidden weak object does bind locally. Strong linkonce data
2233 counts like any other strong symbol for binding.
2234 (weak_finish_1): Don't specially handle weakrefs, they no longer
2236 (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
2237 * c-common.c (handle_alias_attribute): Allow static aliases
2239 (handle_weakref_attribute): Don't call declare_weak on weakrefs.
2240 * gthr-dce.h: Make weakrefs static.
2241 * gthr-tpf.h: Likewise.
2242 * gthr-solaris.h: Likewise.
2243 * gthr-posix.h: Likewise.
2244 * gthr-posix95.h: Likewise.
2245 * config/darwin.c (darwin_encode_section_info): static weakref
2246 variables are not necessarily defined in this translation unit.
2247 * doc/extend.texi (Function Attributes): Mention that an alias
2248 attribute creates a definition for the thing it's attached to.
2249 Change the documentation for weakref to say that the thing
2250 it's attached to must be static.
2252 * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
2253 we don't go into an infinite loop.
2255 2005-12-05 Paolo Bonzini <bonzini@gnu.org>
2257 * config/rs6000/predicates.md (logical_const_operand): Split
2258 out of logical_operand.
2259 (logical_operand): Use it.
2260 * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
2261 logical_const_operand.
2263 2005-12-05 Jan Beulich <jbeulich@novell.com>
2265 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
2266 and IX86_BUILTIN_CMPNESS.
2267 (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
2268 * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
2269 * config/i386/i386.md (movti_internal): Correct type attribute.
2270 Simplify mode attribute.
2271 (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
2272 Correct type attribute.
2273 (absxf2): Correct operator.
2274 * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
2275 movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
2276 * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
2278 (sse2_vmsqrtv2df2): Correct mode attribute.
2280 2005-12-05 Jan Beulich <jbeulich@novell.com>
2282 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
2283 16 bits. Provide insn pattern for this case.
2285 2005-12-05 Jan Beulich <jbeulich@novell.com>
2287 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
2289 (__popcountDI2): Likewise.
2291 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2294 * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
2295 _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
2296 * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
2299 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
2301 * c-typeck.c (null_pointer_constant_p): New function.
2302 (build_conditional_expr, build_c_cast, convert_for_assignment,
2303 build_binary_op): Use it.
2305 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
2307 * c-common.c (binary_op_error): Do not allow NOP_EXPR.
2308 (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
2310 (check_function_arguments_recurse): Allow both NOP_EXPR and
2311 CONVERT_EXPR but check conversions preserve precision.
2312 * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
2313 but check conversions preserve precision.
2314 (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in
2317 2005-12-04 Roger Sayle <roger@eyesopen.com>
2320 * common.opt (Wstring-literal-comparison): New command line option.
2321 * c-opts.c (c_common_handle_option): Set it with -Wall.
2322 * c-typeck.c (parser_build_binary_op): Issue warning if either
2323 operand of a comparison operator is a string literal, except for
2324 testing equality or inequality against NULL.
2326 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
2328 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
2330 * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
2331 of building a NOP_EXPR.
2332 (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as
2334 * c-convert.c (convert): Use fold_convert instead of building
2335 NOP_EXPRs and CONVERT_EXPRs directly. Don't special case
2336 c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove
2338 * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
2339 NOP_EXPR the same as CONVERT_EXPR.
2340 * c-typeck.c (build_function_call): Use fold_convert instead of
2341 building a NOP_EXPR directly.
2342 (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
2344 2005-12-03 Alan Modra <amodra@bigpond.net.au>
2346 PR rtl-optimization/25197
2347 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
2350 2005-12-02 Stuart Hastings <stuart@apple.com>
2352 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
2355 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
2357 * c-typeck.c (default_function_array_conversion,
2358 build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
2359 (build_conditional_expr): Apply integer_zerop to orig_op1 and
2360 orig_op2. Don't check them for NOP_EXPR.
2361 (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
2362 around integer zero.
2364 2005-12-03 Alan Modra <amodra@bigpond.net.au>
2366 * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
2367 toc_save_offset, toc_size, lr_size.
2368 (rs6000_stack_info): Use memset rather than bss struct copy to init.
2369 Test rs6000_ra_ever_killed last in condition setting lr_save_p.
2370 Adjust for removal of unused rs6000_stack_t fields.
2371 (debug_stack_info): Adjust.
2372 (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls
2373 first, and don't bother checking for set/inc of lr on sibcalls.
2374 (rs6000_emit_epilogue): Tidy code restoring stack pointer.
2376 2005-12-02 Jakub Jelinek <jakub@redhat.com>
2379 * config/i386/i386.md (movqi_1): Only force imovx for alternative
2380 5 if operand 1 is not aligned. Undo previous constraint change.
2381 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
2383 2005-12-02 Richard Guenther <rguenther@suse.de>
2385 * tree.h (build): Remove prototype.
2386 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
2387 * tree.c (build): Remove.
2388 (build0_stat): Update comment.
2390 2005-12-02 Richard Guenther <rguenther@suse.de>
2392 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
2393 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
2395 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
2396 maybe_fold_offset_to_component_ref): Likewise.
2397 * tree-ssa-dom.c (thread_across_edge,
2398 simplify_rhs_and_lookup_avail_expr,
2399 find_equivalent_equality_comparison, record_equivalences_from_stmt):
2401 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
2402 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
2403 lower_try_finally_switch): Likewise.
2404 * tree-if-conv.c (add_to_dst_predicate_list,
2405 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2406 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2407 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2408 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2409 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2410 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2411 gimplify_init_ctor_eval, gimplify_init_constructor,
2412 gimplify_variable_sized_compare, gimplify_boolean_expr,
2413 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2414 gimplify_expr, gimplify_body, gimplify_function_tree,
2415 force_gimple_operand): Likewise.
2416 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2417 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2418 mx_register_decls): Likewise.
2419 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2420 get_frame_field, finalize_nesting_tree_1): Likewise.
2421 * tree-inline.c (setup_one_parameter): Likewise.
2422 * tree-vect-transform.c (vectorizable_condition): Likewise.
2423 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2425 * tree-profile.c (tree_gen_edge_profiler): Likewise.
2426 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2427 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2428 * tree-chrec.h (build_polynomial_chrec): Likewise.
2430 2005-12-02 Richard Guenther <rguenther@suse.de>
2432 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2433 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2434 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2435 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2436 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2437 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2438 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2440 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2441 sh_adjust_unroll_max): Likewise.
2442 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2443 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2444 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2446 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2448 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2451 2005-12-02 Richard Guenther <rguenther@suse.de>
2453 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2454 simplify_cond_using_ranges): Use buildN instead of build.
2455 * tree-tailcall.c (adjust_accumulator_values,
2456 adjust_return_value): Likewise.
2457 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
2458 generate_element_copy, generate_element_zero,
2459 generate_one_element_init): Likewise.
2460 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2461 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2462 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2463 perfect_nestify): Likewise.
2465 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2467 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
2469 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
2471 * ggc.h (GGC_RESIZEVEC): New.
2473 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2475 * gcc.c (execute): Improve readability.
2477 2005-12-02 Richard Guenther <rguenther@suse.de>
2479 * tree-cfg.c (mark_used_vars): New function.
2480 (dump_function_to_file): Dump only used VAR_DECLs.
2482 2005-12-02 Richard Guenther <rguenther@suse.de>
2484 * convert.c (convert_to_integer): Fix compare for nonpositive
2485 constant to use tree_int_cst_sgn <= 0.
2487 2005-12-02 Richard Guenther <rguenther@suse.de>
2489 * convert.c (convert_to_integer): Use fold_convert instead
2490 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
2491 instead of comparing against 0. Use build_int_cst instead
2492 of converting integer_zero_node.
2494 2005-12-02 Richard Guenther <rguenther@suse.de>
2496 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2499 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2502 * combine.c (simplify_logical <IOR>): Simplify more patterns to
2505 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2508 * function.c (expand_function_end): Emit blockage for unwinder
2511 2005-12-01 Roger Sayle <roger@eyesopen.com>
2513 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2514 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2515 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2516 integer constant comparisons.
2518 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
2519 Janis Johnson <janis187@us.ibm.com>
2520 David Edelsohn <dje@watson.ibm.com>
2521 Ben Elliston <bje@au.ibm.com>
2523 * dfp.h, dfp.c: New files.
2524 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2525 (DECNUM_H): Likewise.
2526 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2527 (INCLUDES): Append $(DECNUMINC).
2528 (OBJS-common): Add dfp.o.
2530 * real.h (EXP_BITS): Pinch one bit to ..
2531 (struct real_value): Add decimal field.
2532 (real_format): Change table size, update documentation.
2533 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
2534 (real_from_string3): Declare.
2535 (decimal_single_format): Declare.
2536 (decimal_double_format): Declare.
2537 (decimal_quad_format): Declare.
2538 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
2539 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
2540 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
2541 * real.c: Include dfp.h.
2542 (normalize): Early return for decimal floats.
2543 (do_add): Zero decimal field.
2544 (do_compare): Call do_decimal_compare for decimal floats.
2545 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2546 (real_arithmetic): Call decimal_real_arithmetic for decimal
2547 floating point operands.
2548 (real_identical): If a and b are of differing radix, return false.
2549 (real_to_integer): Call decimal_real_to_integer if the value is a
2551 (real_to_integer2): Likewise, call decimal_real_to_integer2.
2552 (real_to_decimal): Likewise, call decimal_real_to_decimal.
2553 (real_to_hexadecimal): Place "N/A" in the return string for
2555 (real_from_string3): New variant, given a mode.
2556 (real_maxval): Use decimal_real_maxval for decimal floats.
2557 (round_for_format): Use decimal_round_for_format for decimals.
2558 (real_convert): Use decimal_real_convert where appropriate.
2559 (significand_size): Handle base 10.
2560 (encode_decimal_single, decode_decimal_single,
2561 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2562 decode_decimal_quad): New functions.
2563 (decimal_single_format): New.
2564 (decimal_double_format): New.
2565 (decimal_quad_format): New.
2566 * machmode.def: Add SD, DD and TD decimal floating point modes.
2567 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2568 Include MODE_DECIMAL_FLOAT.
2569 (DECIMAL_FLOAT_MODE_P): New.
2570 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2571 * genmodes.c (struct mode_data): Add counter field.
2572 (struct mode_data): Update comment for format.
2573 (blank_mode): Initialise counter field.
2574 (new_mode): Increment counter field for each mode defined.
2575 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2577 (make_complex_modes): Handle modes containing `D'.
2578 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2579 (make_decimal_float_mode): New.
2580 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2581 (cmp_modes): Compare counter field if other characteristics
2583 (emit_real_format_for_mode): Support formats for decimal floats.
2584 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2585 Document MODE_DECIMAL_FLOAT.
2587 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2589 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2592 2005-12-01 Richard Henderson <rth@redhat.com>
2594 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2596 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2598 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2600 * config/pa/pa.c (pa_init_builtins): If we detect
2601 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2604 2005-12-01 Richard Guenther <rguenther@suse.de>
2606 * fold-const.c (fold_binary): Use fold_build2, not
2609 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
2611 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2613 * vec.h (VEC_block_remove): New.
2615 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
2618 * c-common.c (lvalue_error): Fix wording.
2620 2005-12-01 Richard Guenther <rguenther@suse.de>
2622 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2623 thinko in last patch.
2625 2005-12-01 Geoffrey Keating <geoffk@apple.com>
2627 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2628 than -flat_namespace.
2630 2005-12-01 Ben Elliston <bje@au.ibm.com>
2632 * mklibgcc.in: Parameterise the script to build soft float
2633 functions by iterating over each type, rather than cloning the
2636 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2639 * builtins.c (fold_builtin_fputs): Defer check for missing
2640 replacement functions.
2642 2005-11-30 Kean Johnston <jkj@sco.com>
2644 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2645 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2647 2005-11-30 Richard Guenther <rguenther@suse.de>
2649 PR tree-optimization/22501
2650 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2651 function split out from ...
2652 (forward_propagate_addr_expr): ... here. Use it to propagate
2653 ADDR_EXPRs to all uses.
2655 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2657 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2658 * builtins.c (expand_builtin_mathfn): Use them.
2659 (expand_builtin_mathfn_2): Likewise.
2660 (expand_builtin_mathfn_3): Likewise.
2661 (expand_builtin_int_roundingfn): Likewise.
2662 (expand_builtin): Likewise.
2663 (integer_valued_real_p): Likewise.
2664 (fold_builtin_int_roundingfn): Likewise.
2665 (fold_builtin_bitop): Likewise.
2666 (fold_builtin_logarithm): Likewise.
2667 (fold_builtin_1): Likewise.
2668 * convert.c (convert_to_integer): Likewise.
2669 * fold-const.c (negate_mathfn_p): Likewise.
2670 (tree_expr_nonnegative_p): Likewise.
2672 2005-11-30 Dale Johannesen <dalej@apple.com>
2673 Andrew Pinski <pinskia@physics.uc.edu>
2675 * combine.c (find_split_point): Sign extend bitmask
2676 when changing bitfield assignment to IOR of AND.
2678 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2680 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2681 clobber to scratch reg.
2682 (*decrement_and_branch_until_zero_no_clobber): Remove.
2683 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2684 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2685 * config/ms1/ms1.opt (mmul): Remove.
2686 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2687 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2689 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2690 Bernd Schmidt <bernd.schmidt@analog.com>
2692 * pa/predicates.md (symbolic_operand): Add comment.
2693 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2694 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2695 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2696 (pa_secondary_reload_class): Delete.
2697 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2698 and pa_secondary_reload_class. Reorder some checks. Update inline
2699 copy of symbolic operand.
2700 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2702 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2704 * loop-doloop.c (add_test): Only add jump notes if we did emit a
2707 2005-11-30 Jeff Law <law@redhat.com>
2709 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2710 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2712 2005-11-30 Jakub Jelinek <jakub@redhat.com>
2714 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2715 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2716 (ia64_expand_move): Adjust caller.
2718 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2719 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2722 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
2724 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2725 Always produce an output if we can remove NEGs or canonicalize
2726 (minus (minus ...)) expressions. Provide a fast path for the
2728 (simplify_gen_binary): Do not call simplify_plus_minus.
2729 (simplify_binary_operation_1): Reassociate at the end of the
2732 2005-11-29 Evan Cheng <evan.cheng@apple.com>
2734 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2735 moves and unpack to speed up.
2737 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
2739 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2740 argument, they are always sparc_compare_op0 and sparc_compare_op1.
2741 (gen_v9_scc): Update callers.
2742 * config/sparc/sparc.md: Likewise.
2743 * config/sparc/sparc-protos.h: Update extern declaration.
2745 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2747 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2749 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2752 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2754 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2755 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2756 (negate_expr): Here.
2758 2005-11-29 Ben Elliston <bje@au.ibm.com>
2760 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2761 Fix typo in comment.
2763 2005-11-29 Ben Elliston <bje@au.ibm.com>
2765 * Makefile.in (clean-target): Depend on clean-target-libgcc.
2766 (clean-target-libgcc): Import rule from the top-level Makefile.in.
2768 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2772 * builtins.c (init_target_chars): New.
2773 (expand_builtin_printf, expand_builtin_fprintf,
2774 expand_builtin_sprintf, fold_builtin_sprintf,
2775 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2776 fold_builtin_snprintf_chk, fold_builtin_printf,
2777 fold_builtin_fprintf): Check for matching format strings using
2780 2005-11-29 Paul Brook <paul@codesourcery.com>
2782 * config.gcc: Do not use fixproto on m68k-elf.
2784 2005-11-28 Roger Sayle <roger@eyesopen.com>
2786 * expmed.c (div_cost): Replace with...
2787 (sdiv_cost, udiv_cost): New.
2788 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2789 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2790 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2791 (expand_divmod): Replace use of div_cost with either sdiv_cost
2792 or udiv_cost depending upon the signedness of the operation.
2794 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2797 * config/darwin.c (machopic_indirection_name,
2798 machopic_output_indirection): Follow transparent alias chain.
2800 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2802 * varasm.c (ultimate_transparent_alias_target): Add comment.
2804 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
2806 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2807 SET_SRC instead of XEXP where appropriate.
2809 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2811 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2814 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2816 * config/fp-bit.h (LSHIFT): Take shift count parameter.
2817 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2820 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
2822 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2823 secondary_input_reload_class, made static. Adapt to new
2825 (secondary_output_reload_class): Delete.
2826 (TARGET_SECONDARY_RELOAD): New macro.
2827 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2828 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2830 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
2833 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
2834 when its natural alignment is > BITS_PER_UNIT.
2835 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2836 * c-common.c (handle_packed_attribute): Ignore packing on a field
2837 whose type is naturally char aligned.
2839 2005-11-28 Richard Guenther <rguenther@suse.de>
2841 * c-common.c (strict_aliasing_warning): Handle all
2842 component-ref like accesses.
2844 2005-11-28 Roger Sayle <roger@eyesopen.com>
2845 Uros Bizjak <uros@kss-loka.si>
2848 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2849 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2850 when flag_unsafe_math_optimizations is set and
2851 we don't care about NaNs or Infinities.
2853 Move x/expN(y) and x/pow(y,z) transformation into common
2854 flag_unsafe_math_optimizations section.
2856 2005-11-27 Mark Mitchell <mark@codesourcery.com>
2858 * gcc.c (main): Change type of argv to "char **".
2860 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2862 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2863 small data sections.
2864 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2865 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2866 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2867 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
2868 output locals to sbss if !rs6000_elf_in_small_data_p.
2869 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2871 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2874 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2875 generated by reload.
2876 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2877 indexed_or_indirect_address.
2878 (indexed_or_indirect_address): Don't test for base reg. Call
2879 address_operand last. Make it a special predicate.
2881 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
2883 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2885 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
2888 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2890 (negate_expr): Likewise.
2892 2005-11-27 Andreas Schwab <schwab@suse.de>
2894 * config/m68k/m68k.c: Reindent and fix whitespace, remove
2897 2005-11-27 Steven Bosscher <stevenb@suse.de>
2899 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2900 has EH predecessor edges.
2902 2005-11-26 Eric Christopher <echristo@apple.com>
2904 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2905 register stalls by zero extending to the full register.
2907 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
2909 * config/floatunsisf.c, config/floatunsidf.c,
2910 config/floatunsixf.c, config/floatunsitf.c: New files.
2911 * config/ia64/t-hpux: Add floatunsitf.c.
2912 * config/ia64/ia64.c (ia64_init_libfuncs): Use
2913 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2915 2005-11-26 Richard Henderson <rth@redhat.com>
2917 * c-lex.c (pragma_lex): Rename from c_lex.
2918 * c-pch.c: Update for pragma_lex rename.
2919 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2920 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2921 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2922 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2923 * doc/tm.texi: Likewise.
2925 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
2928 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2929 when overflow is undefined.
2931 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
2933 * doc/md.texi (Insn Canonicalizations): Refer to the
2934 function commutative_operand_precedence for further rules.
2936 2005-11-25 Roger Sayle <roger@eyesopen.com>
2939 * expmed.c (choose_mult_variant): Return immediately when mult_cost
2940 is less than zero. Limit mult_cost to a reasonable upper bound for
2941 the synthetic multiplication sequence.
2943 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2946 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2947 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2948 Lookup the explicit replacement functions for any unlocked
2949 stdio builtin transformations.
2951 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
2953 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2955 * targhooks.c (default_secondary_reload): Don't require operand 2
2956 for an input reload to be earlyclobber.
2958 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2960 * fold-const.c (negate_mathfn_p): Fix comment and add support
2961 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2964 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2967 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2968 _Q_ulltoq for unsigned conversions from SImode and DImode to
2971 2005-11-25 Alan Modra <amodra@bigpond.net.au>
2973 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2974 (__floatundidf, __floatundisf): Likewise.
2976 2005-11-25 David Edelsohn <edelsohn@gnu.org>
2978 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2979 (rs6000_override_options): Remove initialization of
2980 rs6000_sr_alias_set.
2981 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2982 (rs6000_emit_stack_tie): Same.
2983 (emit_frame_save): Same.
2984 (gen_frame_mem_offset): Same.
2985 (rs6000_emit_prologue): Same.
2986 (rs6000_emit_epilogue): Same.
2988 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2991 * fold-const.c (fold_build): Convert bool_var != 1 and
2992 bool_var == 0 to !bool_var.
2994 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2997 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2998 for C being INTEGER_CST. Likewise for !=.
3000 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
3003 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
3004 unsigned conversions from SImode to TFmode.
3006 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
3008 * expr.c (expand_expr_real_1): Fix error in last change.
3010 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
3012 * caller-save.c: (this_insn_sets): Move into:
3013 (save_call_clobbered_regs).
3014 (mark_set_regs): Get this_insn_sets from data.
3016 (save_call_clobbered_regs): Take sets of the return value by
3017 sibcalls into account.
3019 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
3022 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
3023 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
3024 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
3025 (memory_move_secondary_cost, init_reg_autoinc): Remove
3026 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
3027 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
3028 secondary_reload_class call.
3029 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
3031 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
3032 (push_secondary_reload): Use secondary_reload target hook.
3033 (secondary_reload_class, scratch_reload_class): New functions.
3034 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
3035 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
3036 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
3037 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
3038 (secondary_reload_class, scratch_reload_class): Declare.
3039 * reload1.c: Include target.h.
3040 (reload_adjust_reg_for_temp): New function.
3041 (reload_adjust_reg_for_icode): Likewise.
3042 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
3043 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
3045 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
3046 for inheritance. Support case when both secondary & tertiary reloads
3047 are for intermediate registers.
3048 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
3049 with secondary_reload_class call. Support case when both secondary
3050 & tertiary reloads are for intermediate registers.
3051 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
3052 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
3053 * target.h (secondary_reload_info): New struct / typedef.
3054 (struct gcc_target): New member secondary_reload.
3055 * targhooks.c Include reload.h, optabs.h and recog.h.
3056 (default_secondary_reload): New function.
3057 * targhooks.h (default_secondary_reload): Declare.
3058 * doc/tm.texi: Document secondary_reload target hook. Update
3059 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
3060 * doc/md.texi: Likewise.
3062 * sh-protos.h (sh_secondary_reload): Declare.
3063 * sh.c (TARGET_SECONDARY_RELOAD): Override.
3064 (sh_secondary_reload): New function.
3065 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
3066 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
3067 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
3068 (HAVE_SECONDARY_RELOADS): Define.
3069 * sh.md (reload_indf): Rename to:
3071 (reload_outdf): Rename to:
3072 (reload_outdf__RnFRm).
3073 (reload_insf): Rename to:
3075 (reload_insi): Rename to:
3076 (reload_insi__i_fpul).
3078 2005-11-24 Uros Bizjak <uros@kss-loka.si>
3080 * configure.ac: Require at least texinfo 4.4.
3081 * configure: Regenerate.
3083 * doc/install.texi (Tools/packages necessary for building GCC):
3084 Update required version of texinfo to at least 4.4.
3085 (Installing GCC: Building): Update required version of texinfo
3087 (Installing GCC: Final installation): Update required version
3088 of texi2dvi to at least 4.4.
3089 (Host/target specific installation notes for GCC): Update required
3090 version of texinfo to at least 4.4.
3092 2005-11-24 Richard Guenther <rguenther@suse.de>
3093 Dirk Mueller <dmueller@suse.de>
3096 * c-common.h (strict_aliasing_warning): Declare.
3097 * c-common.c (strict_aliasing_warning): New function,
3099 * c-typeck.c (build_c_cast): ... here.
3101 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
3103 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3105 (swap_commutative_operands_with_target): New.
3107 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
3109 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
3110 also when doing PRE, rather than only for global CPROP.
3112 2005-11-24 Ben Elliston <bje@au.ibm.com>
3114 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
3115 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
3117 (expand_twoval_unop): Likewise.
3118 (widen_clz): Likewise.
3119 (expand_parity): Likewise.
3120 (expand_unop): Likewise.
3121 (emit_cmp_and_jmp_insn_1): Likewise.
3122 (prepare_float_lib_cmp): Likewise.
3124 2005-11-24 Ben Elliston <bje@au.ibm.com>
3126 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
3127 Remove unused `class' variable.
3129 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
3132 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
3133 C/C++ diagnostic function warn_array_subscript_with_type_char.
3134 * c-common.h (warn_array_subscript_with_type_char): Declare.
3135 * c-common.c (warn_array_subscript_with_type_char): Define.
3137 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
3140 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
3141 compiling at the intersection of C and C++.
3143 2005-11-23 Mark Mitchell <mark@codesourcery.com>
3145 * doc/invoke.texi: For man pages, include gcc-vers.texi.
3146 List @file in the option summary. Include the libiberty
3147 documentation for @file.
3148 * gcc.c (main): Call expandargv.
3149 * Makefile.in (gcc-vers.texi): Define srcdir.
3151 2005-11-23 Diego Novillo <dnovillo@redhat.com>
3153 * passes.c (init_optimization_passes): Document
3154 sequencing of passes.
3156 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
3158 * config/m68k/predicates.md (pcrel_address, extend_operator,
3159 post_inc_operand, pre_dec_operand): Remove redundant
3161 (const_uint32_operand, const_sint32_operand): Use gcc_assert
3163 (valid_dbcc_comparison_p): Rewrite in the lisp style.
3165 2005-11-23 Ben Elliston <bje@au.ibm.com>
3167 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
3169 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
3171 Preparatory work for PR target/21623:
3172 * alpha.c (secondary_reload_class): Rename to:
3173 (alpha_secondary_reload_class).
3174 * alpha.h, alpha-protos.h: Likewise.
3175 * mn10300.c (secondary_reload_class): Rename to:
3176 (mn10300_secondary_reload_class).
3177 * mn10300.h, mn10300-protos.h: Likewise.
3178 * pa.c (secondary_reload_class): Rename to:
3179 (pa_secondary_reload_class).
3180 * pa.h, pa-protos.h: Likewise.
3181 * rs6000.c (secondary_reload_class): Rename to:
3182 rs6000_secondary_reload_class.
3183 * rs6000.h, rs6000-protos.h: Likewise.
3185 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
3188 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
3190 2005-11-22 Ian Lance Taylor <ian@airs.com>
3192 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
3194 (prepare_cmp_insn): Likewise.
3196 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
3199 * m68k.md (zero_extendsidi2): Force operands[1] to a register
3200 if both operands[0] and operands[1] are memory.
3202 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
3205 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
3206 COMPARISON_CLASS_P and an integral types create create a new
3207 expression with the new type and fold that.
3209 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
3212 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
3213 to SUBTARGET_OS_CPP_BUILTINS.
3215 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
3217 * arm.c (emit_set_insn): New function.
3218 (arm_split_constant): Call it.
3219 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
3220 (arm_legitimize_address): Likewise. Use plus_constant.
3221 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
3222 (thumb_expand_prologue): Likewise.
3223 (arm_gen_load_multiple): Use VOIDmode in SET.
3224 (arm_gen_store_multiple): Likewise.
3225 (vfp_emit_fstmx): Likewise. Use plus_constant.
3226 (emit_multi_reg_push): Likewise.
3227 (emit_sfm): Use plus_constant.
3229 2005-11-23 Alan Modra <amodra@bigpond.net.au>
3232 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
3235 2005-11-22 Alan Modra <amodra@bigpond.net.au>
3238 * expmed.c (store_bit_field): Don't attempt to insv a field
3239 larger than the reg.
3241 2005-11-22 Alan Modra <amodra@bigpond.net.au>
3244 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
3245 explicit sign extension, not a (char) cast.
3247 2005-11-22 Ben Elliston <bje@au.ibm.com>
3249 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
3250 GET_MODE_CLASS (x) == MODE_FLOAT.
3251 * config/i386/i386.c: Likewise.
3252 * config/rs6000/xcoff.h: Likewise.
3253 * config/rs6000/linux64.h: Likewise.
3254 * config/rs6000/rs6000.c: Likewise.
3255 * config/rs6000/rs6000.h: Likewise.
3256 * config/rs6000/predicates.md: Likewise.
3257 * config/rs6000/sysv4.h: Likewise.
3259 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3261 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
3264 * config/alpha/freebsd.h, config/alpha/linux.h,
3265 config/arm/linux-elf.h, config/bfin/bfin.h,
3266 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
3267 config/i386/beos-elf.h, config/i386/gnu.h,
3268 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
3269 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
3270 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
3271 config/rs6000/linux64.h, config/rs6000/sysv4.h,
3272 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
3273 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
3274 config/sparc/linux.h, config/sparc/linux64.h,
3275 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
3277 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
3278 are both defined when either flag -fpic or -fPIC are used.
3280 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
3282 * config/fp-bit.c (clzusi): New function.
3283 (si_to_float, usi_to_float): Use it to compute proper shift.
3284 (usi_to_float): Preserve guard bits when shifting right.
3285 * libgcc-std.ver (GCC_4.2.0): New version.
3286 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
3287 __floatundisf): New functions.
3288 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
3289 __floatundisf): Declare.
3290 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
3291 _floatundixf, and _floatunditf.
3292 * optabs.c (expand_float): If target does not define a pattern for
3293 signed or unsigned conversion, use an unsigned libcall instead of
3295 (init_optabs): Initialize ufloat_optab.
3297 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
3299 * config/rs6000/rs6000.opt (mmulhw): New option.
3300 * doc/invoke.texi (-mmulhw): Document.
3301 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
3303 * config/rs6000/rs6000.md: Add half-word multiply and
3304 multiply-accumulate instructions for 405 and 440.
3306 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
3308 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
3309 which matches behavior of gcc 4.0 and older for RTEMS targets. The
3310 default now includes a linker group which makes the RTEMS one nest.
3312 2005-11-22 Ben Elliston <bje@au.ibm.com>
3314 * cse.c (fold_rtx): Typo fix.
3315 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
3317 2005-11-21 Richard Henderson <rth@redhat.com>
3319 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
3320 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
3322 * c-tree.h (lookup_name): Move declaration ...
3323 * c-common.h (lookup_name): ... here.
3324 * config/darwin-c.c: Include c-common.h.
3325 * config/t-darwin: Update dependencies.
3327 2005-11-22 Ben Elliston <bje@au.ibm.com>
3329 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
3330 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
3331 * genopinit.c (gen_insn): Likewise.
3332 * reload.c (find_equiv_reg): Likewise.
3333 * loop.c (load_mems): Likewise.
3334 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
3335 * cse.c (find_comparison_args, fold_rtx): Likewise.
3336 * dwarf2out.c (add_const_value_attribute): Likewise.
3337 * expr.c (convert_move): Likewise.
3338 * recog.c (general_operand, register_operand): Likewise.
3339 * reg-stack.c (replace_reg): Likewise.
3340 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3341 * c-common.c (handle_vector_size_attribute): Likewise.
3342 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
3343 (simplify_binary_operation_1): Likewise.
3344 (simplify_const_binary_operation): Likewise.
3345 (simplify_relational_operation): Likewise.
3346 (simplify_const_relational_operation): Likewise.
3347 (simplify_immed_subreg): Likewise.
3348 * emit-rtl.c (gen_lowpart_common): Likewise.
3349 * expmed.c (expand_mult): Likewise.
3350 * stor-layout.c (layout_type): Likewise.
3352 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
3355 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
3356 cst2 only for SPE vectors.
3358 2005-11-21 David Edelsohn <edelsohn@gnu.org>
3361 * config/rs6000/predicates.md (vrsave_operation): Check
3362 UNSPEC_VOLATILE value.
3364 2005-11-21 Jan Hubicka <jh@suse.cz>
3366 PR tree-optimization/24653
3367 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
3369 2005-11-21 Uros Bizjak <uros@kss-loka.si>
3371 * config/i386/predicates.md (ax_reg_operand): New predicate.
3372 (memory_displacement_only_operand): New predicate.
3373 * config/i386/i386.md ("modrm" attribute): Return 0 if one
3374 operand is AX register and the other operand is memory operand
3375 with displacement only.
3377 2005-11-21 Uros Bizjak <uros@kss-loka.si>
3379 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
3380 if we don't care about NaNs or Infinities.
3382 2005-11-20 Ian Lance Taylor <ian@airs.com>
3384 PR rtl-optimization/24883
3385 * combine.c (combinable_i3pat): When checking whether the
3386 destination of i3 is used in i3, consider paradoxical subregs.
3388 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
3391 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
3393 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
3395 * combine.c (try_combine): Do not run subst on i1src and i2src in
3396 the case of generating a PARALLEL for a comparison.
3398 2005-11-20 Richard Henderson <rth@redhat.com>
3401 * tree-sra.c (struct sra_elt): Add all_no_warning.
3402 (struct sra_walk_fns) <use>: Add use_all argument.
3403 (sra_walk_expr): Pass it.
3404 (sra_walk_modify_expr): Likewise.
3405 (scalarize_ldst): Likewise.
3406 (scan_use): Update for new argument.
3407 (mark_no_warning): New.
3408 (scalarize_use): Use it.
3410 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3412 * expr.c (expand_expr_real): Use usmul_optab for widening
3413 signed * unsigned multiplies.
3414 * genopinit.c (optabs): Add usmul_widen_optab.
3415 * optabs.c (init_optabs): Likewise.
3416 * optabs.h (enum optab_index): Add OTI_usmul_widen.
3417 (usmul_widen_optab): Define.
3418 * config/bfin/bfin.md (usmulhisi3): New pattern.
3420 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3422 2005-11-20 Graham Stott <btinternet.com>
3424 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
3426 2005-11-20 Andreas Schwab <schwab@suse.de>
3429 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3432 2005-11-19 Richard Henderson <rth@redhat.com>
3435 * tree-gimple.c (is_gimple_id): Export.
3436 * tree-gimple.h (is_gimple_id): Declare.
3437 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3438 (get_default_value): Use it.
3439 (maybe_fold_stmt_indirect): Likewise.
3441 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
3443 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3444 than VR1 or vice-versa.
3446 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
3450 * reload.c (find_reloads_address_1): Mention dependency on
3452 * reload1.c (gen_reload): For IN with an unary operation, try
3453 moving inner expression to OUT if trivial SET is not valid.
3454 Confirm that the result is valid. Move common code block into...
3455 (emit_insn_if_valid_for_reload): New function.
3457 2005-11-19 Richard Guenther <rguenther@suse.de>
3459 * fold-const.c (fold_indirect_ref_1): Make sure we fold
3460 ARRAY_REFs of constant strings.
3462 2005-11-19 Jakub Jelinek <jakub@redhat.com>
3464 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3465 fatal format string.
3467 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
3469 * combine.c (make_compound_operation): Swap operands of
3470 commutative operation if necessary before returning.
3472 2005-11-19 Richard Guenther <rguenther@suse.de>
3475 * fold-const.c (fold_plusminus_mult_expr): New function.
3476 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3477 cases, remove now unnecessary code.
3479 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
3481 * gensupport.c (old_preds): Rename to std_preds, add special field.
3482 (struct old_pred_table): Rename to struct std_pred_table, add special
3484 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3485 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3486 (init_predicate_table): Adjust, and set along the way whether a
3487 predicate is special.
3489 2005-11-18 Mark Mitchell <mark@codesourcery.com>
3491 * BASE-VER: Change to 4.2.0.
3493 2005-11-18 James E Wilson <wilson@specifix.com>
3495 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3498 2005-11-18 Mike Stump <mrs@apple.com>
3500 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3501 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3502 * c-decl.c (lookup_name_two) Remove.
3503 * c-tree.h (lookup_name_two): Remove.
3504 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3505 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3506 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3507 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
3509 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
3512 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3513 when not generating code to use that co-processor.
3515 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
3517 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3518 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3519 these functions are now in tree-phinodes.c.
3521 2005-11-18 Jie Zhang <jie.zhang@analog.com>
3523 * config/bfin/bfin.md (trap): New pattern.
3525 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3527 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3530 * expr.c (expand_expr_real): Don't call record_block_change unless
3531 ib_boundaries_block is non-null
3533 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
3535 * fold-const.c (build_range_check): Use proper type for subtraction
3536 when merging lower bound.
3538 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
3540 PR rtl-optimization/24497
3541 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3544 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
3546 * tree-scalar-evolution.c (expression_expensive_p): New function.
3547 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3549 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
3551 * config/bfin/crtlibid.s: New file.
3553 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3556 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3557 when not using sjlj exceptions.
3558 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3559 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3560 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3561 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3562 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3563 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3564 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3565 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3566 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3567 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3568 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3569 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3570 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3572 * config/pa/hpux-unwind.h: New file.
3574 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
3576 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3577 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3578 * varasm.c (do_assemble_alias): Adjust call.
3579 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3581 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3583 2005-11-17 James E Wilson <wilson@specifix.com>
3585 * tree.def (FUNCTION_DECL): Correct typo in comment.
3587 2005-11-17 Richard Henderson <rth@redhat.com>
3589 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3590 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3591 and DW_CFA_def_cfa_sf.
3592 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3593 (dbx_reg_number): Don't assert particular registers here.
3594 (based_loc_descr): ... do it here instead. Fold in ...
3595 (eliminate_reg_to_offset): ... this function.
3596 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3597 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3598 * unwind-dw2.c (execute_cfa_program): Apply data align factor
3599 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3600 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3601 (instantiate_virtual_regs): Likewise.
3602 * var-tracking.c (adjust_stack_reference): Likewise.
3603 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3605 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
3607 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3608 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3609 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3611 ($(T)crtlibid.o): New rule.
3613 2005-11-16 Richard Guenther <rguenther@suse.de>
3616 * fold-const.c (extract_array_ref): Return byte offset
3618 (fold_binary): Fold &x[a] CMP &x[b] to
3619 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3622 2005-11-16 Richard Henderson <rth@redhat.com>
3625 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3626 parts of an SSA_NAME.
3628 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
3631 * arm.md (split for movsf with immediate): Restrict split to insns
3632 that set a general register.
3634 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3636 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
3638 * unwind-dw2.c (uw_advance_context): Likewise.
3639 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
3640 _Unwind_SjLj_Unregister.
3641 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3643 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3645 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3647 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3649 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3650 langhook to get a DImode integer type.
3652 2005-11-16 Richard Henderson <rth@redhat.com>
3653 J"orn Rennecke <joern.rennecke@st.com>
3654 Ulrich Weigand <uweigand@de.ibm.com>
3658 * reload1.c (reg_equiv_invariant): New.
3659 (reload): Allocate, initialize, and free it.
3660 (calculate_needs_all_insns): Check it when skipping equivalence
3662 (alter_reg): Likewise.
3663 (eliminate_regs_1): Rename from eliminate_regs. Add new
3664 may_use_invariant argument; only use reg_equiv_invariant when true.
3665 (eliminate_regs): New.
3666 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3667 a context for which may_use_invariant may be true.
3669 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3671 * fold-const.c (const_binop): Don't constant fold the operation
3672 if the result has overflowed and flag_trapping_math.
3673 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3675 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3677 * config/arm/unwind-arm.c (abort): Add prototype here.
3678 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3679 (struct phase1_vrs): Add prev_sp.
3680 (unwind_phase2_forced): Save the original core registers instead of
3681 modifying entry_vrs. Take a new flag argument for resuming unwinding
3682 and set action flags accordingly. Always set _US_END_OF_STACK when
3683 get_eit_entry fails. Unwind before calling the stop function.
3684 (_Unwind_GetCFA): New function.
3685 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3686 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3687 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3688 just call unwind_phase2_forced.
3689 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3690 * config/arm/unwind-arm.h (abort): Remove prototype.
3691 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3693 (_Unwind_GetCFA): New prototype.
3694 * config/arm/pr-support.c (abort): Add prototype here.
3695 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3697 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3698 not schedule the prologue with non-call exceptions and EABI.
3700 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
3702 * config/arm/unwind-arm.h: Reorder interface function declarations.
3703 (_URC_END_OF_STACK): New enumeration value.
3704 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3705 (struct _Unwind_Control_Block): Document reserved field use.
3706 (_Unwind_Stop_Fn): New typedef.
3707 (_Unwind_ForcedUnwind): Declare.
3708 (_Unwind_Resume_or_Rethrow): Declare.
3709 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3711 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3712 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3713 (UCB_FORCED_STOP_ARG): New.
3714 (search_EIT_table): Update boundary condition checks.
3715 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3716 (unwind_phase2): Replace for with do..while.
3717 (unwind_phase2_forced): New.
3718 (__gnu_Unwind_RaiseException): Replace for with do..while.
3719 (__gnu_Unwind_ForcedUnwind): New.
3720 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3721 Use appropriate phase2 unwinder.
3722 (__gnu_Unwind_Resume_or_Rethrow): New.
3723 (__gnu_unwind_pr_common): Cope with forced unwinding.
3725 2005-11-16 David Edelsohn <edelsohn@gnu.org>
3728 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3730 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3731 roundsf2): Remove "s" from mnemonic.
3733 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
3735 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3737 * config/bfin/crtn.s: Change epilogues to match.
3738 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3739 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3740 __PIC__ and __pic__.
3742 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
3745 * doc/invoke.texi: Distinguish between free and fixed form instead of
3746 Fortran and Fortran 90/95. Remove ratfor from the list of supported
3748 * gcc.c (default_compilers): Remove double entries, add entries for
3749 suffixes '.F90' and '.F95'.
3751 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3753 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3754 in the stack probing loop.
3756 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3758 * configure.ac: Use .machine power5 not power5x.
3759 * configure: Regenerate.
3761 2005-11-15 Mike Stump <mrs@apple.com>
3763 * c-decl.c (lookup_name_two): Add.
3764 * c-tree.h (lookup_name_two): Likewise.
3765 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3766 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3768 2005-11-16 Alan Modra <amodra@bigpond.net.au>
3770 PR rtl-optimization/23392
3771 * regrename.c (enum scan_actions) Add mark_access.
3772 (scan_actions_name): Ditto.
3773 (scan_rtx_reg): Handle mark_access.
3774 (scan_rtx_address): Do nothing for mark_access.
3775 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3776 and regs in REG_INC notes before closing chains for dead regs.
3777 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3778 opening chains for new writes.
3780 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3782 * c.opt (ffixed-line-length-none): New.
3784 2005-11-15 Steve Ellcey <sje@cup.hp.com>
3786 * mklibgcc.in: Change contents of eh_dummy.c.
3788 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3790 * loop.c (scan_loop): Do not insert temporaries for hard registers.
3792 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3794 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3796 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
3798 2005-11-15 Jan Hubicka <jh@suse.cz>
3800 * invoke.texi (large-unit-insns): Document.
3801 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3802 * params.def (large-unit-insns): New param.
3804 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
3807 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3808 special register for operand 3. Reindent constraints to align
3811 2005-11-14 David Edelsohn <edelsohn@gnu.org>
3813 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3814 -mpopcntb, -mfprnd. Add -mcpu=power5+.
3815 * configure.ac: Add test for FP rounding instructions.
3816 * configure: Regenerate.
3817 * config.in: Regenerate.
3818 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3819 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3821 * config/rs6000/rs6000.opt (mfprnd): New.
3822 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3823 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3824 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3825 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3826 (TARGET_FPRND): New.
3827 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3829 (btrunc<mode>2): New.
3831 (floor<mode>2): New.
3832 (round<mode>2): New.
3834 2005-11-14 Geoffrey Keating <geoffk@apple.com>
3836 * gcc.c (version_compare_spec_function): Use fatal() rather than
3839 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3840 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3841 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3843 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3846 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3847 on -mmacosx-version-min setting.
3849 2005-11-14 Diego Novillo <dnovillo@redhat.com>
3852 * tree-vrp.c (infer_value_range): Return false if STMT is a
3853 block terminator and its basic block has no successors.
3855 2005-11-14 Mike Stump <mrs@apple.com>
3857 * config/i386/i386.c (override_options): -masm=intel isn't
3858 supported on darwin.
3859 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3861 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
3863 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3864 vfork after including auto-host.h.
3866 2005-11-15 Alan Modra <amodra@bigpond.net.au>
3868 PR rtl-optimization/22002
3869 * combine.c (distribute_notes): Detect cases where a reg dies
3870 two or more times in a bb, including on the insn we are combining,
3871 and place the death note on the correct range.
3873 2005-11-14 Dale Johannesen <dalej@apple.com>
3875 * expmed.c (store_bit_field): Add offset unconditionally for
3877 (extract_bit_field): Don't force extzv or extv operand into
3878 a register if field is too big.
3880 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3882 * config/arm/arm.c (pic_labelno): New.
3883 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3884 LABEL_REF. Pass only the labelno to PIC insns.
3885 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3886 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3887 * arm.md (UNSPEC_PIC_LABEL): New constant.
3888 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3889 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3890 Use the correct label prefix.
3892 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3894 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3897 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
3899 * loop-invariant.c: Include tm_p.h.
3900 * Makefile.in: Updated.
3902 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3904 * pa.c (store_reg): Revise generation of frame notes in large frames.
3905 (set_reg_plus_d): Likewise.
3907 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
3909 PR tree-optimization/24709
3910 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3913 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
3915 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3916 and duplicate declaration of pthread_self.
3918 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
3919 Ian Lance Taylor <ian@airs.com>
3922 * calls.c (expand_call): If TARGET is a MEM and some part of the
3923 argument area has been saved, force TARGET to a register.
3925 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
3927 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3930 2005-11-13 Jason Merrill <jason@redhat.com>
3933 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3934 lazily declared methods.
3935 (force_decl_die): Stop if forcing out the context already make a
3937 (force_type_die): Likewise.
3939 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
3942 * builtins.c (integer_valued_real_p): Add break in
3943 REAL_CST having TREE_OVERFLOW set.
3945 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
3947 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3948 addressing modes during calculation of costs.
3950 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
3952 * function.c (assign_stack_local_1): Restrict sanity check
3953 on frame size overflow to 32-bit and above platforms.
3955 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3957 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3958 * config/cris/cris.c: Include reload.h.
3959 (cris_initial_elimination_offset): New function.
3960 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3963 2005-11-12 Richard Guenther <rguenther@suse.de>
3965 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3967 2005-11-12 Jan Hubicka <jh@suse.cz>
3969 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3970 to compare against 0 when possible.
3972 2005-11-12 Jie Zhang <jie.zhang@analog.com>
3974 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3975 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3976 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3977 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3980 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3982 * recog.c (constrain_operands) <case 'g'>: For a match, require
3983 that a non-register matches general_operand when strict >= 0.
3985 2005-11-11 Steven Bosscher <stevenb@suse.de>
3987 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3990 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3992 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3993 (memory_address_same): New.
3994 (dse_optimize_stmt): Call memory_address_same.
3996 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3999 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
4000 ZERO_EXTEND>: New cases.
4002 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
4004 * longlong.h (__clz_tab): Always provide.
4006 2005-11-11 Steven Bosscher <stevenb@suse.de>
4009 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
4011 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
4012 before check_maybe_invariant.
4013 (move_invariant_reg): Use gen_move_insn instead of replacing
4014 SET_DEST with the temporary for the invariant.
4015 (move_loop_invariants): If checking is enabled, do internal
4016 consistency checks after completing the pass.
4018 2005-11-11 David Edelsohn <edelsohn@gnu.org>
4021 * common.opt (Wvolatile-register-var): New.
4022 * varasm.c (make_decl_rtl): Only emit warning when option
4023 specified. Clarify warning message.
4024 * doc/invoke.texi (Wvolatile-register-var): Document new option.
4026 * doc/md.texi (copysign): Document standard named pattern.
4028 2005-11-11 Jie Zhang <jie.zhang@analog.com>
4030 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
4031 bytes when align is 2.
4032 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
4033 by the first instruction of the loop.
4035 2005-11-11 Jason Merrill <jason@redhat.com>
4038 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
4041 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
4043 PR rtl-optimization/22509
4044 * local-alloc.c (memref_used_between_p): Check whether a function call
4045 could not reference the memref.
4047 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
4049 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
4050 algorithm so as to choose the best, not the worst, alternative.
4051 Reset accumulated register class before processing next alternative.
4053 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
4056 * calls.c (expand_call): Copy a return value to a plain register
4059 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
4062 * varasm.c (assemble_name): Recompute name only for transparent
4065 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
4067 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
4069 2005-11-04 Jeff Law <law@redhat.com>
4072 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
4073 perform reassociation if the parent statement will not die as
4074 a result of the optimization.
4076 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
4078 * tree-ssa-alias.c (compute_may_aliases): Remove call to
4079 delete_old_heap_vars.
4080 * tree-dfa.c (referenced_var_remove): Remove function.
4081 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
4082 (delete_tree_ssa): Remove call to delete_old_heapvars.
4083 Add call to delete_alias_heapvars.
4084 * tree-flow.h (referenced_var_remove): Remove prototype
4085 (init_alias_heapvars): New prototype.
4086 (delete_alias_heapvars): Ditto.
4087 * Makefile.in (tree-ssa-structalias.o): Add
4088 gt-tree-ssa-structalias.o
4089 (GTFILES): Add tree-ssa-structalias.h and
4090 tree-ssa-structalias.c.
4091 (s-gtype): Add gt-tree-ssa-structalias.h.
4092 * tree-ssa-structalias.c (heapvars): Remove.
4093 (oldheapvars): Remove.
4094 (heapvar_for_stmt): New variable.
4095 (heapvar_lookup): New function.
4096 (heapvar_insert): Ditto.
4097 (get_constraint_for): See if we have an old heapvar
4099 (init_alias_heapvars): New function.
4100 (delete_alias_heapvars): Ditto.
4101 Add include of gt-tree-ssa-structalias.h.
4103 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4106 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
4108 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
4110 * tree.c (int_fits_type_p): Only look at the base type
4111 if it has the same precision as the original type.
4113 2005-11-10 Jakub Jelinek <jakub@redhat.com>
4116 * varasm.c (assemble_alias): Use %q+D in the error
4117 message instead of %J and %qD.
4119 2005-11-10 Richard Guenther <rguenther@suse.de>
4121 * gcse.c (free_ldst_entry): Only free hashtable if
4124 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4126 * function.c (assign_stack_local_1): Issue an error message if
4127 the frame size overflows in the signed target arithmetics.
4129 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4131 * tree.c (build_qualified_type): Chain the new type to the original
4132 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4133 a POINTER_TYPE or a REFERENCE_TYPE respectively.
4134 (build_pointer_type_for_mode): Only return unqualified types.
4135 (build_reference_type_for_mode): Likewise.
4137 2005-11-09 Jakub Jelinek <jakub@redhat.com>
4139 * Makefile.in (gnucompare): Do comparison of all files using one of
4140 the chosen methods and only afterwards decide if just warning should
4141 be issued or comparison failure raised.
4143 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4145 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
4146 (noce_try_abs): Negate if the comparison is reversed.
4147 Look only one instruction backwards for a REG_EQUAL note.
4149 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
4152 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
4153 gthr-tpf.h: Define __gthrw. For all identifiers that might
4154 be weak, introduce weakrefs or non-weak aliases with __gthrw,
4155 and prefix all uses with __ghtrw.
4157 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
4160 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
4161 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
4162 * c-common.c (handle_weakref_attribute): New.
4163 (c_common_attribute_table): Add weakref.
4164 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
4166 * configure, config.in: Rebuilt.
4167 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
4168 * doc/extend.texi: Document weakref attribute.
4169 * varasm.c (ultimate_transparent_alias_target): New
4170 (assemble_name): Use it.
4171 (weak_finish_1): Split out of...
4172 (weak_finish): ... and deal with weakrefs in...
4173 (weakref_targets): ... new list.
4174 (globalize_decl): Clean up weakref_targets.
4175 (do_assemble_alias): Handle weakrefs.
4176 (finish_aliases_1): Do not reject weakrefs to external symbols.
4177 (assemble_alias): Handle weakrefs.
4179 2005-11-09 Richard Guenther <rguenther@suse.de>
4181 PR tree-optimization/24716
4182 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
4183 t_bool to track results from follow_ssa_edge.
4185 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4187 * final.c (force_source_line): New global variable.
4188 (final_scan_insn): Set it to true instead of clearing last_filename.
4189 (notice_source_line): Return true if force_source_line is true,
4190 unless source info is absent.
4192 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
4195 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
4196 a linkage name for a variable if it a register variable.
4197 * c-decl.c (grokdeclarator): Global register variables
4198 should be set as PUBLIC.
4200 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4203 * config/s390/s390.c (struct s390_frame_layout): New fields
4204 first_save_gpr_slot and last_save_gpr_slot.
4205 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
4206 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
4207 first_save_gpr and last_save_gpr with the _slot variants.
4208 (s390_register_info): Calculate first_save_gpr_slot and
4209 last_save_gpr_slot using regs_ever_live.
4211 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4214 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
4215 for a function containing a landing pad.
4217 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4220 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
4223 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
4225 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
4226 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
4228 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
4231 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
4233 (call,load,store): New insn types.
4234 (mem_access, branch_access): Adjust reservation conditions.
4235 (define_delay): Adjust condition.
4236 (decrement_and_branch_until_zero): Allow for ms2. Set branch
4238 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
4239 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
4241 (call_internal, call_value_internal, return_internal,
4242 return_interrupt_internal, eh_return_internal, indirect_jump,
4243 tablejump): Set call insn type.
4244 (blockage, ei, di): Use appropriate unspec const.
4245 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
4246 (ms1_get_attr_type): Adjust to give load & store types.
4247 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
4248 backwards past a barrier.
4249 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
4251 (struct branch_info, struct label_info): New.
4253 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
4254 (ms1_machine_reorg): New.
4255 (TARGET_MACHINE_DEPENDENT_REORG): Override.
4256 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
4257 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
4258 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
4261 2005-11-09 Per Bothner <per@bothner.com>
4262 Uros Bizjak <uros@kss-loka.si>
4265 * toplev.c (process_options): Initialize debug_hooks early
4266 in case lang_hooks.post_options ends up calling a debug_hook.
4268 2005-11-08 Jakub Jelinek <jakub@redhat.com>
4270 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
4271 DBX_REGISTER_NUMBER being contiguous.
4273 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
4274 Diego Novillo <dnovillo@redhat.com>
4277 * tree-vrp.c (register_edge_assert_for): Do not register
4278 always-false predicates.
4280 2005-11-08 Devang Patel <dpatel@apple.com>
4282 PR tree-optimization/23115
4283 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
4286 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
4288 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
4291 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
4293 Fix PR tree-optimization/23382
4295 * tree-ssa-alias.c (compute_may_aliases): Call
4296 delete_old_heap_vars.
4297 * tree-dfa.c (referenced_var_remove): New function.
4298 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
4299 * tree-flow.h (referenced_var_remove): Add prototype.
4300 (delete_old_heap_vars): Ditto.
4301 * tree-ssa-structalias.c (heapvars): New variable.
4302 (oldheapvars): Ditto.
4303 (get_constraint_for): Put heap vars on heapvars list.
4304 (delete_old_heap_vars): New function.
4306 2005-11-08 Jason Merrill <jason@redhat.com>
4308 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
4310 2005-11-08 Uros Bizjak <uros@kss-loka.si>
4313 * reg-stack.c (reg_to_stack): Update register liveness also
4314 for flag_sched2_use_traces.
4316 2005-11-08 Alan Modra <amodra@bigpond.net.au>
4319 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
4320 override prior explicit -mno-powerpc-gfxopt.
4322 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
4324 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
4325 if the bitsize is zero.
4326 * doc/md.texi (Standard Pattern Names): Document it.
4328 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
4329 (TARGET_PASS_BY_REFERENCE): Likewise.
4331 2005-11-07 Ian Lance Taylor <ian@airs.com>
4333 PR rtl-optimization/24683
4334 * config/i386/i386.c (legitimize_pic_address): If constant operand
4335 to PLUS is too large, put it in a register.
4337 2005-11-07 Jie Zhang <jie.zhang@analog.com>
4339 * configure.ac: Enable checking assembler dwarf2 support for bfin
4341 * configure: Regenerate.
4343 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
4347 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
4348 gen_easy_vector_constant_add_self): Delete.
4349 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
4351 (output_vec_const_move): Use gen_easy_altivec_constant.
4352 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
4353 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
4354 (easy_vector_constant_add_self): Rewritten.
4355 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
4356 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
4357 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
4358 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
4359 Macroize and adjust for the other changes.
4361 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
4365 * c-typeck.c (build_c_cast): Try using a shared constant, and see
4366 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
4368 2005-11-07 Jakub Jelinek <jakub@redhat.com>
4370 PR rtl-optimization/23567
4371 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
4372 (noce_process_if_block): Don't do any optimizations except
4373 if (cond) x = x; if !set_b and write into orig_x may trap
4374 or fault. Remove the MEM_READONLY_P check.
4376 2005-11-06 Diego Novillo <dnovillo@redhat.com>
4379 * tree-vrp.c (fix_equivalence_set): New.
4380 (extract_range_from_assert): Call it.
4382 2005-11-05 Ian Lance Taylor <ian@airs.com>
4385 * combine.c (apply_distributive_law): Don't distribute across a
4388 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
4390 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
4391 config/ms1/ms1.h, config/rs6000/predicates.md,
4392 config/s390/s390.c, params.def, postreload-gcse.c,
4393 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
4394 tree-vrp.c, tree.c: Fix comment typos.
4395 * doc/invoke.texi: Fix typos.
4397 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
4399 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
4400 for testing whether the data_dependence_relation contains distance
4401 vectors. Iterate over all distance vectors of the ddr.
4402 * lambda.h: Define a vec of lambda_vector pointers.
4403 * tree-data-ref.c (dump_data_dependence_relation,
4404 dump_data_dependence_direction): Iterate over all distance and
4405 direction vectors of the ddr.
4406 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
4408 (build_classic_dist_vector, build_classic_dir_vector): Push a set
4409 of distance/direction vectors instead of a single one.
4410 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
4411 lambda_vectors with a vec of lambda_vectors.
4412 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
4413 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
4414 DDR_NUM_DIST_VECTS): New.
4415 * tree-loop-linear.c (gather_interchange_stats): Test for the
4416 existence of distance vectors only after having checked that there
4417 is a dependence. Iterate over all distance vectors of the ddr.
4418 (linear_transform_loops): Use dump_data_dependence_relation.
4419 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
4420 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
4421 distance vectors of the ddr.
4423 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
4425 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
4426 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
4427 IS_INTHANDLER; all callers changed.
4428 (n_regs_saved_by_prologue): Take interrupt handler attributes into
4430 (do_link, do_unlink): New argument ALL; all callers changed.
4431 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
4432 If function isn't leaf, save and restore all registers.
4433 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
4436 2005-11-05 Jan Hubicka <jh@suse.cz>
4438 PR rtl-optimization/23490
4439 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
4440 max-flow-memory-location): Document.
4441 * flow.c: Include params.h
4442 (MAX_MEM_SET_LIST_LEN): Kill.
4443 (add_to_mem_set_list): Use new param.
4444 * cse.c (cse_basic_block): Replace 1000 by new param.
4445 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
4446 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
4447 * predict.c (predict_loops): Use new param.
4448 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
4450 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
4451 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4452 Do not hold memory returned by cgraph_node_name across other call.
4454 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
4457 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
4460 2005-11-04 Jeff Law <law@redhat.com>
4463 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
4464 * tree-ssa-dom.c: Include params.h.
4465 (thread_across_edge): If there are too many statements in the
4466 target block, then do not thread through it.
4467 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
4468 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
4470 2005-11-03 Diego Novillo <dnovillo@redhat.com>
4473 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
4474 TODO_update_ssa instead of TODO_update_ssa_no_phi.
4476 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
4479 * tree-scalar-evolution.c (instantiate_parameters_1,
4480 instantiate_parameters, resolve_mixers): Compute the size of an
4481 expression to be instantiated and give up the instantiation if the
4482 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4484 2005-11-04 Richard Guenther <rguenther@suse.de>
4486 * tree-flow.h (ref_contains_indirect_ref): Rename to
4487 array_ref_contains_indirect_ref.
4488 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
4489 (array_ref_contains_indirect_ref): Make comment match the code
4491 (ref_contains_array_ref): Likewise.
4492 * tree-ssa-structalias.c (find_func_aliases): Remove call to
4493 ref_contains_indirect_ref.
4494 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4495 Rename calls to ref_contains_indirect_ref.
4497 2005-11-04 Paul Brook <paul@codesourcery.com>
4499 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
4500 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
4501 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4502 * config/arm/arm.md: Use match_operand in peephole input templates
4503 and match_dup in peephole output templates.
4505 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4507 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
4510 2005-11-04 Mark Mitchell <mark@codesourcery.com>
4511 Daniel Jacobowitz <dan@codesourcery.com>
4513 * longlong.h (add_ssaaaa): Clobber condition code register
4515 (sub_ddmmss): Likewise.
4516 (umul_ppmm): Likewise.
4518 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4519 Paul Brook <paul@codesourcery.com>
4520 Phil Blundell <pb@reciva.com>
4522 * configure.ac: Add test for ARM TLS support.
4523 * configure: Regenerated.
4524 * config/arm/arm-protos.h (legitimize_tls_address)
4525 (arm_tls_referenced_p, tls_mentioned_p)
4526 (arm_output_addr_const_extra): New prototypes.
4527 (thumb_legitimize_pic_address): Delete.
4528 * config/arm/arm.c: Include "gt-arm.h".
4529 (enum tls_reloc): New.
4530 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
4531 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
4532 (arm_call_tls_get_addr, legitimize_tls_address)
4533 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
4534 (arm_init_tls_builtins, arm_emit_tls_decoration)
4535 (arm_output_addr_const_extra): New functions.
4536 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
4537 (TARGET_HAVE_TLS): Define.
4538 (target_thread_pointer): New.
4539 (arm_override_options): Handle -mtp=.
4540 (legitimize_pic_address): Ignore UNSPECs.
4541 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4543 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4544 (tls_get_addr_libfunc): New variable.
4545 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4546 (arm_init_builtins): Call arm_init_tls_builtins.
4547 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4548 (arm_encode_section_info): Call default_encode_section_info.
4549 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4550 (enum arm_tp_type): New.
4551 (target_thread_pointer): Add declaration.
4552 (LEGITIMATE_CONSTANT_P): Handle TLS.
4553 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4554 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4555 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4556 * config/arm/arm.md: Add UNSPEC_TLS.
4557 (movsi): Handle TLS.
4558 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4560 (tls_load_dot_plus_eight): New insn and a peephole to create it.
4561 (load_tp_hard, load_tp_soft): New insns.
4562 * arm.opt: Add -mtp=.
4563 * doc/invoke.texi (ARM Options): Document -mtp.
4565 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4567 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4568 * config/arm/libunwind.S: Include "lib1funcs.asm".
4569 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4570 (LIB2ADDEH): Add libunwind.S.
4571 (LIB2ADDEHDEP): Add lib1funcs.asm.
4572 * mklibgcc.in: Handle asm files in libgcc_eh.a.
4574 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4577 * gcc/c.opt: Add a -lang-fortran option.
4578 * gcc/c-opts.c: Add a lang_fortran flag.
4579 (c_common_init_options): Handling the -lang-fortran option.
4580 (c_common_handle_option): Add a case for Fortran options in
4581 preprocessing. Remove cases for -ffixed-form and
4582 -ffixed-line-length. Add a case for -lang-fortran.
4584 2005-11-03 David Edelsohn <edelsohn@gnu.org>
4586 * config/rs6000/rs6000.c: Include params.h
4587 (optimization_options): Set max-grow-copy-bb-insns default to 16.
4588 (bdesc_2arg): Delete vpkuhss and vpkuwss.
4589 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4590 (UNSPEC_VPKUWSS): Delete.
4591 (altivec_vpkuhss): Delete.
4592 (altivec_vpkuwss): Delete.
4593 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4595 (neg_eq0<mode>): Remove final condition.
4596 (neg_eq<mode>): Remove condition and split-condition.
4598 2005-11-04 Alan Modra <amodra@bigpond.net.au>
4600 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4601 Use associated print macros.
4603 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4606 * diagnostic.c (diagnostic_set_info_translated): New function.
4607 (diagnostic_set_info): Use it. Add comment.
4608 * diagnostic.h (diagnostic_set_info_translated): Declare.
4610 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
4612 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4613 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4614 reference only if 'public' is true.
4615 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4616 emit the .hidden directive only if the indirect reference is public.
4617 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4618 Pass it to dw2_force_const_mem.
4619 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4620 * dwarf2out.c (output_cfi): Adjust calls to above function.
4621 (output_call_frame_info): Likewise.
4622 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4623 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4625 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
4627 PR tree-optimization/24483
4628 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4629 field to elts if possible.
4631 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4634 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4637 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
4639 Fix PR tree-optimization/24351
4641 * tree-ssa-structalias.c (struct variable_info): Add
4643 (get_varinfo_fc): New function to follow collapsing.
4644 (new_var_info): Set collapsed_to to NULL.
4645 (dump_constraint): Follow collapsing.
4646 (build_constraint_graph): Handle collapsing.
4647 (do_simple_structure_copy): Return false if something bad
4649 (collapse_rest_of_var): New function.
4650 (do_structure_copy): Collapse if do_simple_structure_copy returns
4653 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4656 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4657 expressions to a statement list instead of gimplifying them.
4659 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4661 PR rtl-optimization/23585
4662 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4663 that can't trap plus a constant integer, if the mode has zero size.
4665 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
4668 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4670 ("*insv<mode>_reg_extimm"): Likewise.
4672 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4675 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4676 c_common_type_for_mode returns an unnamed type.
4678 2005-11-02 Richard Henderson <rth@redhat.com>
4682 * dwarf2out.c (dwarf2out_reg_save_reg): New.
4683 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4684 * function.c (assign_parms): Use calls.internal_arg_pointer.
4685 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4687 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4688 (TARGET_CALLS): Add it.
4689 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4690 * targhooks.c (default_internal_arg_pointer): New.
4691 * targhooks.h (default_internal_arg_pointer): Declare.
4692 * tree.h (dwarf2out_reg_save_reg): Declare.
4693 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4694 * config/i386/i386.c (dbx_register_map): Add return column.
4695 (dbx64_register_map, svr4_dbx_register_map): Likewise.
4696 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4697 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4698 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4699 (ix86_save_reg): Save force_align_arg_pointer.
4700 (ix86_emit_save_regs): Make regno unsigned.
4701 (ix86_emit_save_regs_using_mov): Likewise.
4702 (ix86_expand_prologue): Handle force_align_arg_pointer.
4703 (ix86_expand_epilogue): Likewise.
4704 * config/i386/i386.h: (dbx_register_map): Update.
4705 (dbx64_register_map, svr4_dbx_register_map): Update.
4706 (struct machine_function): Add force_align_arg_pointer.
4707 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4708 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4709 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4711 2005-11-02 Jan Hubicka <jh@suse.cz>
4714 * i386.md: Add peep2 for simplyfing array accesses.
4716 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4719 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4720 * config/s390/s390.c (s390_decompose_shift_count): New function.
4721 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4722 (print_shift_count_operand): Use s390_decompose_shift_count.
4723 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4724 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
4726 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4729 * loop.c (loop_givs_rescan): Use force_operand to expand
4732 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
4735 * fold-const.c (build_range_check): Use unsigned when signed
4736 overflow is undefined also. If etype is subtype, make sure that
4737 the subtraction is in the supertype.
4739 2005-11-02 Richard Henderson <rth@redhat.com>
4742 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4745 2005-11-01 Richard Henderson <rth@redhat.com>
4748 * loop.c (scan_loop): Do not propagate computations to a hard
4749 register destination with SMALL_REGISTER_CLASSES.
4751 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
4753 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4754 costs for MULT inside PLUS or MINUS.
4756 2005-11-01 Bob Wilson <bob.wilson@acm.org>
4758 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4759 (TRAMPOLINE_SIZE): Round up to 60.
4760 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4762 2005-10-31 James E. Wilson <wilson@specifix.com>
4765 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4766 ifdef. Put ifdefs around call in gen_subprogram_die.
4767 (compute_frame_pointer_to_cfa_displacement): Likewise.
4768 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4771 PR rtl-optimization/17356
4772 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
4773 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4775 2005-10-31 Jan Hubicka <jh@suse.cz>
4778 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4781 * i386.c (legitimize_pic_address): Deal with large immediates.
4784 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4785 from symbol names while computing checkup.
4788 * predict.c (predict_loops): Do not estimate more than
4789 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4790 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4792 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
4794 PR tree-optimization/19097
4795 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4797 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
4799 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4801 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
4804 * tree-inline.c (setup_one_parameter): If the init_stmt
4805 is NULL, don't insert the statement.
4807 2005-10-30 Jan Hubicka <jh@suse.cz>
4809 PR tree-optimization/24172
4810 * tree-inline.c (copy_body_r): Unshare the substituted value first.
4812 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
4814 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4815 constants for hosts with long != 32 bits.
4817 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
4820 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4822 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
4824 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4825 (TARGET_MS1_16_002): New.
4826 (TARGET_MS1_16_003): New.
4828 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4829 ("*decrement_and_branch_until_zero_no_clobber"): New.
4830 Add corresponding splitter for decrement_and_branch_until_zero
4832 Key all decrement_and_branch_until_zero patterns off of
4835 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
4838 * tree-complex.c (extract_component): Treat RESULT_DECL
4839 like the rest of the decls.
4841 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
4843 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4844 indirect call to _mcount if the function needs a static chain.
4846 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
4847 Caroline Tice <ctice@apple.com>
4849 PR rtl-optimization/24460
4850 * dwarf2out.c (have_switched_text_sections): New boolean variable.
4851 (dwarf2out_switch_text_section): Set it to true instead of
4852 incrementing separate_line_info_table_in_use.
4853 (output_loc_list): Additionally test have_switched_text_sections.
4854 (output_ranges): Likewise.
4855 (dwarf2out_finish): Likewise.
4856 * varasm.c (assemble_start_function): Do not call
4857 insert_section_boundary_note.
4858 (assemble_end_function): If flag_reorder_blocks_and_partition,
4859 switch to the function's section before emitting the .size directive.
4860 * bb-reorder.c (insert_section_boundary_note): Staticify.
4861 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4862 * output.h (insert_section_boundary_note): Delete.
4864 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
4867 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4868 instead of pointer equality when comparing types.
4870 2005-10-24 James E. Wilson <wilson@specifix.com>
4872 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4873 add_dependence_list_and_free calls.
4875 2005-10-24 Steven Bosscher <stevenb@suse.de>
4877 * contrib.texi: Add the names of the LLNL folks who donated
4878 Cray pointer support for gfortran.
4880 2005-10-24 Steven Bosscher <stevenb@suse.de>
4882 PR tree-optimization/24225
4883 * profile.c (branch_prob): Look from end to start through a
4884 basic block when looking for a locus.
4886 2005-10-24 Richard Henderson <rth@redhat.com>
4888 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4890 (hppa_expand_prologue): Likewise.
4892 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4894 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4895 (NO_DEFERRED_PROFILE_COUNTERS): Define.
4896 * pa.h (NO_PROFILE_COUNTERS): Define.
4897 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4898 (funcdef_nos): New vector to hold label numbers of deferred profile
4900 (output_deferred_profile_counters): New function.
4901 (hppa_profile_hook): Push label number onto funcdef_nos.
4902 (pa_hpux_file_end): Call output_deferred_profile_counters if
4903 NO_DEFERRED_PROFILE_COUNTERS is false.
4905 * pa-protos.h (get_deferred_plabel): New prototype.
4906 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
4908 (output_call): Adjust calls.
4910 2005-10-24 Alan Modra <amodra@bigpond.net.au>
4912 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4913 peculiarity of GOT/TOC section usage.
4915 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
4918 * c-common.c (constant_string_class_name): Add documentation.
4920 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
4923 * recog.c (peephole2_optimize): Increment peep2_current_count
4924 only when the slot is empty.
4926 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4929 * except.c (output_function_exception_table): Call
4930 assemble_external_libcall if we need a personality function.
4932 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4934 PR rtl-optimization/24460
4935 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4936 set the basic block for barriers.
4938 2005-10-21 Janis Johnson <janis187@us.ibm.com>
4940 * var-tracking.c (vt_initialize): Initialize post.
4942 2005-10-21 Devang Patel <dpatel@apple.com>
4945 * c-common.c (vector_types_convertible_p): Check vector element type.
4947 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
4949 * config/sh/sh.c (prepare_move_operands): Handle the address
4950 constant which is a tls symbolic address plus a constant.
4952 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
4955 * gcc.c (main): Use the correct counter for erroring out
4956 about mulitple files.
4958 2005-10-21 Alan Modra <amodra@bigpond.net.au>
4961 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4962 use r2 for 64-bit tls .got access.
4964 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
4966 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4969 2005-10-20 Steven Bosscher <stevenb@suse.de>
4971 PR tree-optimization/24307
4972 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4974 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
4977 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4979 * varasm.c (find_decl_and_mark_needed): After cgraph global info
4980 is ready, stop marking functions, but still mark variables.
4982 2005-10-20 Richard Guenther <rguenther@suse.de>
4985 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4988 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
4990 PR rtl-optimization/23585
4991 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4992 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
4993 (may_trap_p_1): New predicate extracted from...
4994 (may_trap_p): ... here. Invoke may_trap_p_1.
4995 (may_trap_or_fault_p): New predicate.
4996 * rtl.h (may_trap_or_fault_p): Declare it.
4997 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4998 instead of may_trap_p.
4999 (steal_delay_list_from_fallthrough): Likewise.
5000 (fill_simple_delay_slots): Likewise.
5001 (fill_slots_from_thread): Likewise.
5002 * function.c (pad_to_arg_alignment): Rework comment about
5003 SPARC_STACK_BOUNDARY_HACK.
5004 * config/sparc/sparc.h: Likewise.
5006 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
5008 * config/s390/s390.c (s390_expand_insv): New.
5009 * config/s390/s390-protos.h (s390_expand_insv): Declare.
5010 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
5011 ("icm_hi"): Remove mode attribute.
5012 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
5014 ("*extracthi", "*extractqi"): Remove.
5015 (extv<mode>", "*extzv<mode>"): New.
5016 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
5017 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
5019 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5021 * cfgexpand.c (discover_nonconstant_array_refs_r,
5022 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
5023 (tree_expand_cfg): Call discover_nonconstant_array_refs.
5024 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
5025 discover_nonconstant_array_refs.
5027 2005-10-19 Steven Bosscher <stevenb@suse.de>
5030 * c-decl.c (pop_scope): Don't warn about an unused variable
5031 if it is marked with TREE_NO_WARNING.
5032 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
5033 somenow mismatch and olddecl is to be replaced.
5035 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
5038 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
5039 whether registers live on the edge can be saved/restored.
5041 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
5043 * config/sh/sh.c (fixup_mova): Skip notes.
5045 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5047 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
5048 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
5049 (s390_can_eliminate): Handle BASE_REGNUM elimination.
5050 (s390_initial_elimination_offset): Likewise.
5051 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
5052 register on TARGET_ZARCH targets.
5053 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
5054 (INITIAL_FRAME_POINTER_OFFSET): Remove.
5055 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
5056 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
5058 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
5060 * config/s390/s390.md: Comment describing output modifiers updated.
5061 * config/s390/s390.c (print_operand): Likewise.
5063 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
5065 * config/s390/s390.c (override_options): Added check for -mstack-size
5067 * doc/invoke.texi: Mention that limit in the documenation.
5069 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
5072 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
5074 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
5076 Fix PR tree-optimization/24231
5078 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
5079 (compute_avail): Ditto.
5081 2005-10-18 Richard Henderson <rth@redhat.com>
5084 * config/i386/i386.c (legitimate_constant_p): Check
5085 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
5087 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
5088 (legitimate_pic_address_disp_p): Reorg CONST checking to make
5089 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
5091 (print_operand_address): Likewise.
5092 * config/i386/predicates.md (x86_64_immediate_operand): Test
5093 SYMBOL_REF_TLS_MODEL properly inside CONST.
5094 (x86_64_zext_immediate_operand): Likewise.
5095 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
5096 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
5097 * config/i386/i386-protos.h: Remove predicates.md entries.
5099 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
5101 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
5102 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
5104 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
5105 Ian Lance Taylor <ian@airs.com>
5108 * fold-const.c (fold_widened_comparison): Do not allow range based
5109 constant folding when right operand cannot be unwidened.
5111 2005-10-17 Richard Henderson <rth@redhat.com>
5113 * builtins.c (expand_builtin_synchronize): Build a new-style asm
5114 with a memory clobber.
5116 2005-10-17 James E Wilson <wilson@specifix.com>
5118 PR rtl-optimization/17356
5119 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
5120 checking for EDGE_EH.
5122 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
5124 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
5125 the slot on an even boundary for any type with 16-byte alignment.
5127 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
5130 * md.texi (Modifiers) <%>: Clarify that % doesn't work
5131 after register allocation.
5133 2005-10-17 DJ Delorie <dj@redhat.com>
5135 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
5138 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
5141 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
5144 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
5146 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
5147 to 2 if it's already non-zero.
5148 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
5149 is set and warn about it if flag_schedule_insns is 1.
5151 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
5153 * config/crx/crx.md: Compare-and-branch instructions need to
5156 2005-10-17 Uros Bizjak <uros@kss-loka.si>
5159 * config/i386/i386.md (*pushdi2_rex64 splitter)
5160 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
5161 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
5162 flow2 pass only when (optimize > 0 && flag_peephole2).
5164 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
5167 * gcc.c (have_c): New static variable.
5169 (process_command): Remove declation of have_c.
5170 Set have_o to 1 when handling -o.
5171 (main): Add a fatel error if there are multiple
5172 files specified and -o and -c/-S is passed witout
5173 -combine or multiple languages.
5175 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
5177 Fix PR tree-optimization/22444
5178 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
5179 Assert that we don't hit something with subvars.
5180 (setup_pointers_and_addressables): Don't add things with subvars,
5181 because we'll already process the subvars for aliasing purposes.
5183 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
5186 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
5187 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
5188 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
5189 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
5190 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
5191 swapped, alternatives for the R constraint.
5194 * builtins.c (get_builtin_sync_mode): Make unlimited
5195 mode_for_size request.
5197 2005-10-15 Richard Henderson <rth@redhat.com>
5199 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
5200 (gimplify_expr): ... here.
5201 (gimplify_compound_lval): Use it in initial scan loop. Allow
5202 fb_lvalue in base expression.
5204 2005-10-15 Richard Henderson <rth@redhat.com>
5207 * builtins.c (expand_builtin_trap): Export.
5208 * expr.h (expand_builtin_trap): Declare.
5209 * expr.c (expand_assignment): Emit a trap for integral offsets
5210 from registers that weren't reduced to bitpos.
5212 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
5213 (mark_array_ref_addressable): Remove.
5214 * tree-flow.h (mark_array_ref_addressable): Remove.
5215 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
5217 2005-10-15 James E Wilson <wilson@specifix.com>
5220 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
5221 (add_dependence_list_and_free): Likewise.
5222 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
5225 2005-10-15 Diego Novillo <dnovillo@redhat.com>
5229 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
5230 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
5232 (vrp_visit_phi_node): Only prevent infinite iterations when
5233 the previous result and the new result are both VR_RANGEs.
5235 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
5237 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
5240 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5243 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
5246 2005-10-14 Per Bothner <per@bothner.com>
5248 PR preprocessor/21250
5249 * c-ppoutput.c (print_line): Print internal line 0 as 1.
5251 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
5254 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
5255 overflow flags. Refactor some conditionals.
5257 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
5260 * tree-dfa.c (add_referenced_var): Only look at decls which
5261 have TREE_CONSTANT or TREE_READONLY set instead of if
5262 !TREE_PUBLIC or !TREE_CONSTANT.
5264 2005-10-13 James E Wilson <wilson@specifix.com>
5266 * doc/invoke.texi: For -x, add f95-cpp-input.
5267 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
5269 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
5271 PR tree-optimization/24262
5272 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
5273 in loop all the time.
5275 2005-10-12 Richard Henderson <rth@redhat.com>
5278 * tree.h (DECL_TRANSPARENT_UNION): Remove.
5279 * function.c (assign_parm_find_data_types): Don't support it.
5280 * print-tree.c (print_node): Likewise.
5281 * c-common.c (handle_transparent_union_attribute): Likewise.
5282 Use build_duplicate_type.
5283 * tree-inline.c (remap_type_1): Split out of remap_type;
5284 properly remap aggregate fields.
5285 (build_duplicate_type): New.
5286 * doc/extend.texi (Variable Attributes): Remove documentation
5287 for transparent_union.
5289 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5292 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
5293 (gen_stack_pointer_dec): Likewise.
5295 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
5299 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
5301 (struct cxx): Add adjust_class_at_definition target hook.
5302 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
5303 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
5304 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
5305 hook_void_tree. Add to TARGET_CXX.
5306 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
5308 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
5309 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
5310 instead of attribute. Check for dllexport override. Warn if
5311 inconsistent dll linkage. Don't lose old dllimport if decl has
5312 had address referenced. Tweak lookup of dllimport atribute.
5313 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
5314 for target specific rules. Don't add dllimport attribute if
5315 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
5316 dllimport attribute.
5317 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
5318 * varasm.c (initializer_constant_valid_p): Replace
5319 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
5323 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
5324 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
5325 (i[34567]86-*-mingw32*): Likewise.
5327 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
5328 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
5330 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
5331 C++-specific code. Change return value to bool.
5332 (i386_pe_dllimport_p): Likewise.
5333 (associated_type): Simplify and make language-independent
5334 (i386_pe_encode_section_info): Replace override of ambiguous
5335 dllimport symbol refs with a gcc_assert.
5336 (i386_pe_valid_dllimport_attribute_p): Define.
5337 * config/i386/winnt-cxx.c: New file. Define C++ versions of
5338 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5339 i386_pe_adjust_class_at_definition.
5340 * config/i386/winnt-stubs.c: New file. Define stub versions of
5341 lang-specific functions.
5342 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
5343 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5344 i386_pe_adjust_class_at_definition.
5345 (i386_pe_valid_dllimport_attribute_p): Declare.
5346 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
5347 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
5348 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
5351 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
5352 dllimport attribute with test of DECL_DLLIMPORT_P.
5354 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
5356 * combine.c (make_extraction): Correct offset computation.
5358 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
5360 * config/cris/t-linux (LIMITS_H_TEST): Define.
5362 2005-10-12 Richard Henderson <rth@redhat.com>
5365 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
5367 2005-10-12 Richard Guenther <rguenther@suse.de>
5369 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
5371 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
5374 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
5375 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
5378 2005-10-12 Richard Guenther <rguenther@suse.de>
5381 * varasm.c (output_constant): Correct typo from previous
5384 2005-10-11 Ian Lance Taylor <ian@airs.com>
5386 PR rtl-optimization/13931
5387 * combine.c: Revert patch of 2003-05-14, and:
5388 (try_combine): Only set elim_i1 and elim_i2 if the destination is
5389 completely killed in the appropriate insn.
5390 (distribute_notes): Don't skip multiple hard register test for
5391 elim_i1 and elim_i2.
5393 2005-10-11 Richard Henderson <rth@redhat.com>
5396 * c-typeck.c (convert_for_assignment): Use build_constructor_single
5397 to initialize a transparent union instead of a nop_expr.
5399 2005-10-11 Richard Henderson <rth@redhat.com>
5401 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
5402 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
5403 (tree_ssa_dce_loop): Call scev_reset.
5406 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
5407 * tree-ssa-dce.c: Include cfgloop.h.
5408 (tree_ssa_dce_loop, pass_dce_loop): New.
5409 * tree-pass.h (pass_dce_loop): Declare it.
5410 * passes.c (init_optimization_passes): Use it.
5412 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5415 * convert.c (convert_to_real): Revert 2005-10-05 patch.
5416 Only apply the optimization for rounding builtins if the inner
5417 cast is also an extension.
5419 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
5422 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
5423 mark_new_vars_to_rename instead of update_stmt.
5425 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
5427 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
5429 2005-10-11 Jakub Jelinek <jakub@redhat.com>
5431 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
5432 for setting MMX register to 0 rather than mmx.
5434 2005-10-10 Steve Ellcey <sje@cup.hp.com>
5437 * configure.ac: Move gas check from mips specific case to common case.
5438 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
5439 * configure: Regenerate
5440 * doc/install.texi: Update.
5442 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5445 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
5447 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
5449 * gcc.c (do_spec_1): Accept numeric characters in file name
5452 2005-10-10 Nick Clifton <nickc@redhat.com>
5454 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
5455 describing the deleted arm_gen_rotated_half_load function.
5457 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
5459 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
5462 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
5464 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
5466 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
5467 (EXTRA_MULTILIB_PARTS): Define.
5468 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5469 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5470 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
5471 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5472 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5473 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
5475 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
5477 PR tree-optimization/24226
5478 * tree-cfg.c (remove_bb): Clean up unreachable loops.
5479 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
5480 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
5483 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5485 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
5487 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
5490 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
5491 Rewrite for no need for the early clobber.
5493 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
5495 Merge from csl-arm-branch:
5496 2005-09-07 Paul Brook <paul@codesourcery.com>
5497 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
5500 2005-04-30 Paul Brook <paul@codesourcery.com>
5501 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
5502 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
5504 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
5505 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
5506 (arm_override_options): Use TARGET_AAPCS_BASED.
5507 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
5508 (PTRDIFF_TYPE): Use int for AAPCS.
5509 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
5510 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
5511 (DEFAULT_SHORT_ENUMS): Delete.
5512 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
5514 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
5515 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
5516 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
5517 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
5519 2004-12-03 Mark Mitchell <mark@codesourcery.com>
5520 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
5522 2004-11-22 Mark Mitchell <mark@codesourcery.com>
5523 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
5525 2004-11-19 Mark Mitchell <mark@codesourcery.com>
5526 * config.gcc (arm*-*-linux-gnueabi): Add it.
5527 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
5529 (TARGET_OS_CPP_BUILTINS): Likeiwse.
5530 * config/arm/linux-eabi.h: New file.
5531 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
5532 (LINUX_TARET_LINK_SPEC): Likewise.
5533 (LINK_SPEC): Use it.
5534 * config/arm/t-linux-eabi: New file.
5536 2005-10-08 Steven Bosscher <stevenb@suse.de>
5539 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
5541 (PARAM_SMS_DFA_HISTORY): Likewise.
5543 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
5546 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5547 (load_register_parameters): Call it.
5548 (check_sibcall_argument_overlap_1): Likewise.
5549 (store_one_arg): Likewise.
5551 2005-10-07 James E. Wilson <wilson@specifix.com>
5553 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5554 DImode not VECINT24 for operand 2.
5557 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5561 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5562 fr_spill): Use destination_operand for operand 0.
5564 2005-10-07 DJ Delorie <dj@redhat.com>
5566 * varasm.c (output_constant): Limit error to expanding
5569 2005-10-07 Richard Guenther <rguenther@suse.de>
5572 * fold-const.c (fold_binary): Fix operand types during folding
5573 of X op (A, Y). Evaluation order of the side-effects of
5574 X and A are frontend-defined, so ensure we honour that even for
5575 tcc_comparison class operands; eased by removing duplicate code.
5577 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5579 * stor-layout.c (layout_type): Do not allow alignment of array
5580 elements to be greater than their size.
5582 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5584 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5586 (hppa*-*-linux*): Ditto.
5587 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5588 * config/host-hpux.c: New.
5589 * config/x-hpux: New.
5590 * config/pa/x-hpux: Remove.
5591 * config/pa/x-linux: Remove.
5592 * config/pa/pa-host.c: Remove.
5594 2005-10-07 Jeff Law <law@redhat.com>
5596 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5597 determine whether or not to try and thread outgoing edges.
5599 2005-10-07 David Edelsohn <edelsohn@gnu.org>
5601 * config/rs6000/rs6000.md (eqsi_power): New.
5602 (neg_eq0si): Add TARGET_POWER to final condition.
5605 2005-10-06 Richard Henderson <rth@redhat.com>
5607 * config/rs6000/rs6000.c: Revert last change.
5609 2005-10-06 Richard Henderson <rth@redhat.com>
5611 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5612 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5614 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
5618 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5619 out return_label and naked_return_label.
5621 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5623 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5626 2005-10-06 Richard Henderson <rth@redhat.com>
5629 * tree-inline.c (declare_return_variable): Handle modify_dest not
5632 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5634 Fix PR tree-optimization/22488
5635 * tree-ssa-structalias.c (check_for_overlaps): New function.
5636 (create_variable_info_for): Use it.
5638 2005-10-06 Richard Henderson <rth@redhat.com>
5641 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5642 (dwarf2out_start_source_file): Print it.
5644 2005-10-06 Geoffrey Keating <geoffk@apple.com>
5646 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5648 2005-10-06 Richard Henderson <rth@redhat.com>
5651 * mode-switching.c (optimize_mode_switching): Clear transp bit
5652 for block with incomming abnormal edges.
5654 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5655 (fpscr_set_from_mem): Use them.
5656 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5657 (fpscr postinc splitters): Rewrite as peephole2+split.
5659 2005-10-06 David Edelsohn <edelsohn@gnu.org>
5661 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5662 (eq<mode>_compare): Same.
5664 2005-10-06 Richard Guenther <rguenther@suse.de>
5666 PR tree-optimization/24238
5667 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5669 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
5671 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5672 here. Use AC_PATH_PROG for environment variables instead of
5674 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
5676 * configure: Regenerated.
5678 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
5681 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5682 then force it into a register.
5683 (call_value): Likewise.
5685 2005-10-06 Richard Henderson <rth@redhat.com>
5688 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5689 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
5690 under pass_vectorize.
5692 2005-10-05 Devang Patel <dpatel@apple.com>
5695 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5696 handling constants. Check NAMESPACE_DECL context for constants.
5698 2005-10-05 Eric Christopher <echristo@apple.com>
5700 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5702 2005-10-05 Richard Henderson <rth@redhat.com>
5705 * tree-cfg.c (mark_array_ref_addressable_1): New.
5706 (mark_array_ref_addressable): New.
5707 * tree-flow.h (mark_array_ref_addressable): Declare.
5708 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5710 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
5714 * reload.c (subst_reloads): When adding a REG_LABEL to a
5715 jump instruction, also update JUMP_LABEL.
5717 2005-10-05 David Edelsohn <edelsohn@gnu.org>
5719 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5720 * bb-reorder.c (copy_bb_p): Use it.
5721 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5723 2005-10-05 Richard Henderson <rth@redhat.com>
5726 * toplev.c (process_options): Warn about unsupported combinations
5727 of unwind tables and omit-frame-pointer.
5728 * config/i386/i386.c (override_options): Similarly. Enable
5729 accumulate-outgoing-args if not explicitly disabled.
5731 2005-10-05 Steve Ellcey <sje@cup.hp.com>
5733 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5734 Handle big endian vs. small endian.
5735 (vec_initv2sf): Handle big endian vs. small endian.
5736 (*vec_extractv2sf_1): Ditto.
5738 2005-10-05 Dale Johannesen <dalej@apple.com>
5740 * convert.c (convert_to_real): Don't convert
5741 (float)floor(double d) to floorf((float)d).
5743 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
5745 * config/arm/arm.md (insv): Use gen_int_mode in more places.
5747 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
5749 PR tree-optimization/18587
5750 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5751 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5752 build_vuses): Change to VEC type.
5753 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5754 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5755 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5756 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5757 (get_name_decl): New. Return DECL_UID of base variable.
5758 (operand_build_cmp): New. qsort comparison routine.
5759 (operand_build_sort_virtual): New. Sort virtual build vector.
5760 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5761 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5762 (FINALIZE_BASE): Use get_name_decl.
5763 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5764 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5765 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5766 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5767 direct VEC_* manipulations.
5768 (build_ssa_operands): Call operand_build_sort_virtual.
5769 (copy_virtual_operand, create_ssa_artficial_load_stmt,
5770 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5771 with direct VEC_* manipulations.
5772 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5773 with direct VEC manipulations.
5775 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
5777 PR tree-optimization/21419
5778 PR tree-optimization/24146
5779 PR tree-optimization/24151
5781 * c-typeck.c (readonly_error): Handle USE being lv_asm.
5782 (build_asm_expr): Call it if outputs are read-only.
5783 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5785 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
5786 Paolo Bonzini <bonzini@gnu.org>
5790 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5791 enable the instructions and not just the built-ins.
5792 * doc/invoke.texi (x86 Options): Likewise.
5794 2005-10-04 Geoffrey Keating <geoffk@apple.com>
5796 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5798 * doc/invoke.texi (Option Summary): Correct spelling
5799 of -mmacosx-version-min.
5801 2005-10-04 Devang Patel <dpatel@apple.com>
5803 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5806 2005-10-04 Steve Ellcey <sje@cup.hp.com>
5808 * tree-vect-transform.c (vect_create_epilog_for_reduction):
5809 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5811 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
5813 * config/s390/s390.md ("TDSI","DP"): New mode macros.
5814 ("TE","tg"): New mode attributes.
5815 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5816 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5817 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5818 dword_mode and one for GPRmode.
5820 2005-10-04 Ian Lance Taylor <ian@airs.com>
5822 PR preprocessor/13726
5823 * c-ppoutput.c (cb_include): Add comments parameter, and print out
5824 any comments passed in.
5826 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5828 * tree.c (annotate_with_file_line): Fix typo.
5830 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5833 * builtins.c (fold_builtin_memcmp): When constructing the pointer
5834 type used to access data in the inlined length == 1 case, use
5835 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5836 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5838 2005-10-04 Uros Bizjak <uros@kss-loka.si>
5840 * config/i386/i386.h (TARGET_FISTTP): Enable also for
5841 TARGET_SSE3 and only for TARGET_80387.
5842 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5843 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5844 Do not depend on TARGET_80387.
5846 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5848 * tree.c (last_annotated_node): Change type to location_t*.
5849 (annotate_with_file_line): Reflect the change of
5850 last_annotated_node type.
5852 2005-10-04 Richard Guenther <rguenther@suse.de>
5855 * c-decl.c (grokdeclarator): Don't write to fields
5858 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5861 * c-decl.c (finish_decl): Use set_user_assembler_name even for
5863 * varasm.c (make_decl_rtl): If a register variable does not
5864 have a set user assmbler name, error out.
5865 Decode the asmspec is now name+1 bypassing '*'.
5867 2005-10-04 Steven Bosscher <stevenb@suse.de>
5869 PR tree-optimization/23049
5870 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5871 of a COND_EXPR is folded before calling fold on the whole rhs of a
5872 conditional assignment.
5873 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5874 document that a COND_EXPR may appear there.
5876 2005-10-03 Diego Novillo <dnovillo@redhat.com>
5879 * tree-vrp.c (extract_range_from_assert): If the new numeric
5880 range created out of the assertion contradicts the existing
5881 numeric range of the ASSERT_EXPR variable, make the new range
5884 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
5886 * config/sh/sh.c (sh_register_move_cost): Add case for moving
5887 from T_REGS to FP register class.
5889 2005-10-03 Richard Henderson <rth@redhat.com>
5892 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5893 before creating a new one.
5895 2005-10-03 David Edelsohn <edelsohn@gnu.org>
5897 * config/rs6000/t-aix43 (LDFLAGS): New.
5898 * config/rs6000/t-aix52 (LDFLAGS): New.
5900 2005-10-03 Ian Lance Taylor <ian@airs.com>
5902 * gimplify.c (find_single_pointer_decl_1): New static function.
5903 (find_single_pointer_decl): New static function.
5904 (internal_get_tmp_var): For a formal variable, set restrict base
5905 information if appropriate.
5906 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5908 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5909 (DECL_GET_RESTRICT_BASE): Define.
5910 (SET_DECL_RESTRICT_BASE): Define.
5911 (decl_restrict_base_lookup): Declare.
5912 (decl_restrict_base_insert): Declare.
5913 (struct tree_decl_with_vis): Add based_on_restrict_p field.
5914 * tree.c (restrict_base_for_decl): New static variable.
5915 (init_ttree): Initialize restrict_base_for_decl.
5916 (copy_node_stat): Copy restrict base information.
5917 (decl_restrict_base_lookup): New function.
5918 (decl_restrict_base_insert): New function.
5919 (print_restrict_base_statistics): New static function.
5920 (dump_tree_statistics): Call print_restrict_base_statistics.
5922 2005-10-02 Diego Novillo <dnovillo@redhat.com>
5925 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5926 case of anti-ranges.
5928 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
5931 * c-typeck.c (tagged_tu_seen): Rename to ...
5932 (tagged_tu_seen_cache): this and add val field.
5933 (comptypes): Move functional to comptypes_internal
5934 and free tagged_tu_seen.
5935 (comptypes_internal): New function and call comptypes_internal
5936 instead of comptypes. Speed up by sibcalling
5937 tagged_types_tu_compatible_p.
5938 (alloc_tagged_tu_seen): New function
5939 (free_all_tagged_tu_seen_up_to): New function.
5940 (tagged_types_tu_compatible_p): Return the val of the seen two
5942 Add that the two types are the same to tagged_tu_seen_base
5943 if they are and call comptypes_internal instead of comptypes.
5944 <case UNION_TYPE>: Speed up common type where the fields are
5946 (function_types_compatible_p): Call comptypes_internal instead of
5948 (type_lists_compatible_p): Likewise.
5949 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5951 2005-10-02 Matthias Klose <doko@debian.org>
5953 * doc/invoke.texi: Fix typo and speling error.
5955 2005-10-01 Richard Henderson <rth@redhat.com>
5957 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5959 2005-10-01 Mark Mitchell <mark@codesourcery.com>
5961 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5962 using --start-group and --end-group.
5964 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5966 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5967 FIXME note regarding quirky semantics.
5969 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5972 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5973 non-null range as a last resort.
5975 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
5976 Diego Novillo <dnovillo@redhat.com>
5979 * tree-vrp.c (extract_range_from_assert): For !=
5980 assertions, only build an anti-range if LIMIT is a
5981 single-valued range.
5983 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
5985 * arm.md (movqi): On thumb when optimizing, handle loading from
5986 memory by describing this as taking a subreg of a zero-extended load
5987 into an SImode register.
5990 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
5992 * reload1.c (merge_assigned_reloads): Do not change any
5993 RELOAD_FOR_OUTPUT_ADDRESS reloads.
5995 2005-09-30 Geoffrey Keating <geoffk@apple.com>
5997 * Makefile.in (LIPO_FOR_TARGET): Define.
5998 (STRIP_FOR_TARGET): Define.
6000 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
6001 before creating new ones. Do symlinks before creating the actual
6004 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
6005 to work out which multilibs are actually being built.
6007 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
6009 * tree-vect-transform.c, config/ms1/ms1.md,
6010 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
6011 Follow spelling conventions.
6012 * doc/invoke.texi, doc/md.texi: Fix typos.
6014 2005-09-30 Andrew Macleod <amacleod@redat.com>
6016 PR tree-optimization/21430
6017 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
6018 use operands, and set stmt pointer if need be.
6019 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
6020 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
6023 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6026 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
6028 2005-09-29 Mark Mitchell <mark@codesourcery.com>
6030 * optabs.c (expand_binop): Initialize first_pass_p.
6032 2005-09-29 Jakub Jelinek <jakub@redhat.com>
6035 * c-decl.c (c_write_global_declarations_1): If any
6036 wrapup_global_declaration_2 call returned true, restart the loop.
6038 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
6040 Fix PR tree-optimization/24117
6041 * tree-ssa-structalias.c (find_func_aliases): Strip nops
6042 before considering whether to use anyoffset.
6044 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
6048 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
6050 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6052 (swap_commutative_operands_with_target): New.
6054 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
6057 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
6060 2005-09-29 Steven Bosscher <stevenb@suse.de>
6062 PR tree-optimization/23911
6063 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
6064 and IMAGPART_EXPR too.
6066 2005-09-28 Mark Mitchell <mark@codesourcery.com>
6069 * expmed.c (expand_shift): Move logic to reverse rotation
6070 direction when rotating by constants ...
6071 * optabs.c (expand_binop): ... here.
6072 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
6073 (ix86_rotrdi3): New pattern.
6074 (rotldi3): Handle 32-bit mode.
6075 (ix86_rotldi3): New pattern.
6077 2005-09-29 Alan Modra <amodra@bigpond.net.au>
6080 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
6081 check for numbers that need no bit twiddle.
6083 2005-09-28 Geoffrey Keating <geoffk@apple.com>
6085 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
6086 multilib to be built.
6088 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
6089 (stage1-start): Delete old libgcc and libunwind before moving
6090 anything into the stage directory.
6091 (stage2-start): Likewise.
6092 (stage3-start): Likewise.
6093 (stage4-start): Likewise.
6094 (stageprofile-start): Likewise.
6095 (stagefeedback-start): Likewise.
6096 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
6097 header in tm_file and CPU-specific t-darwin in tmake_file.
6098 (i[34567]86-*-darwin*): Don't change tm_file.
6099 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
6100 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
6101 shared library stub for target OS version.
6102 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
6103 (SHLIB_LINK): Don't make SHLIB_SOLINK.
6104 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
6105 (libgcc_s.%.dylib): New.
6107 (install-darwin-libgcc-stubs): New.
6108 (INSTALL_LIBGCC): New append.
6109 * config/i386/darwin-libgcc.10.4.ver: New.
6110 * config/i386/darwin-libgcc.10.5.ver: New.
6111 * config/i386/t-darwin: New.
6112 * config/rs6000/darwin-libgcc.10.4.ver: New.
6113 * config/rs6000/darwin-libgcc.10.5.ver: New.
6114 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
6115 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
6117 2005-09-28 Paul Brook <paul@codesourcery.com>
6119 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
6122 2005-09-28 Richard Guenther <rguenther@suse.de>
6124 PR tree-optimization/23853
6125 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
6126 host_integerp to verify misalignment value.
6128 2005-09-28 Richard Henderson <rth@redhat.com>
6130 * builtins.c (get_builtin_sync_mode): New.
6131 (expand_builtin_sync_operation): Pass in mode argument.
6132 (expand_builtin_compare_and_swap): Likewise.
6133 (expand_builtin_lock_test_and_set): Likewise.
6134 (expand_builtin_lock_release): Likewise.
6135 (expand_builtin): Update to match.
6137 2005-09-28 Nick Clifton <nickc@redhat.com>
6139 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
6140 formatting. Add check to PLUS case to ensure that the offset is
6141 within an acceptable range.
6143 * config/v850/v850.md (casesi): Disable the generation of the
6144 switch pattern as it is not being handled properly at the moment.
6146 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
6147 for when the high words are identical.
6149 2005-09-27 Richard Henderson <rth@redhat.com>
6151 * pretty-print.c (pp_base_format): Fix typo for %>.
6153 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
6154 Devang Patel <dpatel@apple.com>
6156 PR tree-optimization/23625
6157 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
6158 LABEL_EXPR, assertion check.
6160 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
6162 * optabs.c (no_conflict_move_test): Check if a result of a
6163 to-be-moved insn would be clobbered by an originally
6166 2005-09-27 Jeff Law <law@redhat.com>
6168 * passes.c (init_optimization_passes): Replace copy propagation
6169 passes immediately after DOM with phi-only copy propagation
6170 pases. Add phi-only copy propagation pass after first DOM pass.
6171 * tree-pass.h (pass_phi_only_copy_prop): Declare.
6172 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
6173 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
6174 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
6175 to init_copy_prop. Callers updated.
6176 (do_phi_only_copy_prop): New function.
6177 (pass_phi_only_copy_prop): New pass descriptor.
6179 2005-09-27 Nick Clifton <nickc@redhat.com>
6181 * libgcc2.c (__popcount_tab): Remove redundant prototype.
6183 2005-09-26 Jason Merrill <jason@redhat.com>
6186 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
6188 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
6190 2005-09-26 James E Wilson <wilson@specifix.com>
6192 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
6193 copyright. Add gcc copyright plus libgcc exception.
6194 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
6196 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
6198 2005-09-26 Jeff Law <law@redhat.com>
6200 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
6201 about when to iterate.
6203 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
6206 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
6207 for __complex__ double in -mcpu=G5 mode.
6209 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
6211 PR tree-optimization/23942
6212 * Makefile.in (SCEV_H): Depends on PARAMS_H.
6213 * tree-scalar-evolution.c: Include params.h.
6215 (follow_ssa_edge, follow_ssa_edge_in_rhs,
6216 follow_ssa_edge_in_condition_phi_branch,
6217 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
6218 Change return type to t_bool. Use a parameter to limit the size of
6219 trees that are walked before stopping
6220 (analyze_evolution_in_loop): Initialize the limit to 0.
6221 (follow_ssa_edge): Give up by returning t_dont_know if the limit
6222 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
6224 2005-09-26 Uros Bizjak <uros@kss-loka.si>
6227 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
6228 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
6230 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
6232 * combine.c (make_extraction): Check for valid use of subreg.
6234 2005-09-26 Uros Bizjak <uros@kss-loka.si>
6237 * config/i386/i386.md ("*fistdi2_1"): New pattern.
6238 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
6239 ("fist<mode>2_with_temp"): Use only register operands.
6241 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
6243 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
6244 CALL_INSN_FUNCTION_USAGE.
6246 2005-09-26 Richard Guenther <rguenther@suse.de>
6249 * gcse.c: Include hashtab.h, define ldst entry hashtable.
6250 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
6251 (ldst_entry): Use the hashtable instead of list-walking.
6252 (find_rtx_in_ldst): Likewise.
6253 (free_ldst_entry): Free the hashtable.
6254 (compute_ld_motion_mems): Create the hashtable.
6255 (trim_ld_motion_mems): Remove entry from hashtable if
6256 removing it from list.
6257 (compute_store_table): Likewise^2.
6258 (store_motion): Free hashtable in case we did not see
6261 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
6263 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
6264 and arg1 if we are passing them to fold_build2.
6266 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
6269 * config/i386/i386.c (ix86_function_regparm): Fix the test for
6272 2005-09-25 Richard Henderson <rth@redhat.com>
6274 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
6275 SYMBOL_REF_TLS_MODEL to be correct.
6277 2005-09-24 Richard Henderson <rth@redhat.com>
6279 * ipa-type-escape.c (discover_unique_type): Remove dead code at
6280 end of function. Reindent.
6282 2005-09-24 Ian Lance Taylor <ian@airs.com>
6284 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
6285 NEGATE_EXPR/BIT_NOT_EXPR case.
6287 2005-09-24 Richard Henderson <rth@redhat.com>
6289 * c-common.c (handle_mode_attribute): When not modifying in place,
6290 create subtypes for enumerations.
6291 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
6292 * gimplify.c (create_tmp_from_val): Likewise.
6294 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
6296 * config/i386/i386.md (*tls_global_dynamic_64,
6297 *tls_local_dynamic_base_64): Add missing mode to call.
6298 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
6300 2005-09-24 Jan Hubicka <jh@suse.cz>
6302 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
6303 (cgraph_clone_node): Likewise.
6304 * cgraph.h (cgraph_clone_edge): Update prototype.
6305 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
6306 duplicated prototypes; add updating argument.
6307 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
6308 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
6310 (cgraph_mark_inline_edge): Likewise.
6311 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
6312 (cgraph_flatten_node): Likewise.
6313 (cgraph_decide_recursive_inlining): Likewise.
6314 (cgraph_decide_inlining_of_small_function): Likewise.
6315 * tree-optimize.c (tree_rest_of_compilation): Likewise.
6317 2005-09-23 David Edelsohn <edelsohn@gnu.org>
6318 Pete Steinmetz <steinmtz@us.ibm.com>
6320 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
6321 (rldic.): Set type to "compare".
6323 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
6324 mfjmpr for MFCTR/MFLR.
6325 (movdf_hardfloat64): Same.
6326 (movdf_softfloat64): Same. Correct order of store and move types.
6327 (movti_string): Set type to store_ux/load_ux.
6328 (load_multiple): Set type to load_ux.
6329 (store_multiple): Set type to store_ux.
6330 (movmemsi): Set type to store_ux.
6331 (output_cbranch direct_return): Set type to jmpreg.
6332 (stmw): Set type to store_ux.
6333 (lmw): Set type to load_ux.
6334 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
6335 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
6336 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
6337 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
6338 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
6339 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
6340 (rios1-fpstore): Increase latency to 3.
6341 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
6342 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
6344 2005-09-23 David Edelsohn <edelsohn@gnu.org>
6345 Andrew Pinski <pinskia@physics.uc.edu>
6347 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
6348 operand2 constraint to "b".
6349 (sync_<fetchop_name>di_internal): Same.
6350 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
6352 (sync_old_<fetchop_name>di_internal): Same.
6353 (sync_new_<fetchop_name>si_internal): Same.
6354 (sync_new_<fetchop_name>di_internal): Same.
6356 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
6359 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
6360 case, define as macros.
6362 PR rtl-optimization/23837
6363 * optabs.c (no_conflict_move_test): Don't set must_stay for a
6364 clobber / clobber match between dest and p->first.
6366 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
6367 (no_conflict_move_test): Update comments.
6369 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6371 * doc/install.texi: Update URL for Jacks.
6372 * doc/sourcebuild.texi: Likewise.
6374 2005-09-22 David Edelsohn <edelsohn@gnu.org>
6377 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
6378 registers when choosing register preferences.
6379 (movdf_hardfloat64): Same.
6381 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
6383 * expmed.c (expand_shift): Don't use the target of the rotate as
6384 target for the first expanded shift insn.
6385 * testsuite/gcc.dg/20050922-1.c: Testcase added.
6387 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
6389 PR tree-optimization/22438
6390 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
6391 preserved iv rhs rewriting specially.
6393 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
6395 * tree-data-ref.c (analyze_array_indexes): Only estimate when
6396 estimate_only is true.
6397 * tree-flow.h (ref_contains_indirect_ref): New prototype.
6398 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
6399 tree-ssa-structalias.c
6400 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
6401 ref_contains_indirect_ref.
6402 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
6404 2005-09-21 DJ Delorie <dj@redhat.com>
6406 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
6408 (mn10300_return_in_memory): Support variable size types also.
6409 (mn10300_pass_by_reference): Likewise.
6410 (mn10300_function_value): New.
6411 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
6412 (FUNCTION_OUTGOING_VALUE): Likewise.
6413 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
6414 * doc/invoke.texi: Document it.
6416 2005-09-21 Uros Bizjak <uros@kss-loka.si>
6419 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
6420 force integer op1 into register for XFmode compares.
6422 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6425 * expmed.c (alg_code): Add alg_impossible.
6426 (alg_hash_entry): Add cost.
6427 (synth_mult): Record alg_impossible in the hash table if
6428 multiplication by a given integer is impossble within the
6429 limit. Speed up using alg_impossible.
6431 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
6433 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
6434 argument. Allow and set any offset if needs_anyoffset is passed
6436 (get_constraint_for): Add argument here too.
6438 (do_structure_copy): Pass NULL to get_constraint_for.
6439 (handle_ptr_arith): Ditto.
6440 (find_func_aliases): Ditto.
6442 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
6444 PR rtl-optimization/23898
6445 * output.h (get_attr_min_length): Declare.
6446 * final.c (get_attr_length_1): New function, broken out of:
6448 (get_attr_min_length): New function.
6449 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
6450 (duplicate_computed_gotos): Likewise.
6451 * genattr.c (insn_min_length): Generate declaration.
6452 * genattrtab.c (min_fn, min_attr_value): New functions.
6453 (make_length_attrs): Generate insn_min_length.
6455 2005-09-20 Steve Ellcey <sje@cup.hp.com>
6457 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
6459 2005-09-20 Richard Henderson <rth@redhat.com>
6461 PR tree-optimization/24059
6462 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
6465 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
6467 * c.opt (fextended-identifiers): New.
6468 * c-opts.c (c_common_handle_option): Handle
6469 -fextended-identifiers.
6470 * doc/cpp.texi: Update documentation of extended identifiers.
6471 * doc/cppopts.texi (-fextended-identifiers): Document.
6473 2005-09-20 Jakub Jelinek <jakub@redhat.com>
6475 PR tree-optimization/23929
6476 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
6479 PR tree-optimization/23818
6480 * tree-stdarg.c (execute_optimize_stdarg): Call
6481 calculate_dominance_info.
6483 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
6485 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
6486 (analyze_siv_subscript_cst_affine): Add weak SIV test.
6487 (compute_overlap_steps_for_affine_1_2): Use
6488 get_number_of_iters_for_loop.
6489 (analyze_subscript_affine_affine): Check whether difference is
6491 Use get_number_of_iters_for_loop.
6492 Check whether overlap occurs outside of bounds.
6493 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
6495 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
6497 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
6498 base register if possible.
6500 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
6502 PR tree-optimization/18463
6503 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
6504 converting it directly is not possible.
6505 (chrec_convert_aggressive): New function.
6506 * tree-chrec.h (chrec_convert_aggressive): Declare.
6507 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
6508 Fold chrec conversions aggressively if asked to.
6509 (instantiate_parameters): Modified because of changes in
6510 instantiate_parameters_1.
6512 2005-09-19 Richard Henderson <rth@redhat.com>
6514 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
6515 (reduc_splus_v2df): New.
6517 2005-09-19 Richard Sandiford <richard@codesourcery.com>
6519 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
6520 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
6522 2005-09-19 Richard Henderson <rth@redhat.com>
6524 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
6527 2005-09-19 Richard Henderson <rth@redhat.com>
6529 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
6530 (ia64_expand_dot_prod_v8qi): New.
6531 * config/ia64/ia64-protos.h: Update.
6532 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
6533 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
6534 sdot_prodv8qi, sdot_prodv4hi): New.
6535 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
6537 2005-09-19 Richard Henderson <rth@redhat.com>
6540 * real.c (exact_real_truncate): Return false if the format cannot
6541 represent the number as a normal.
6543 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6544 for a memory source.
6546 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
6548 * tree-ssa-operands.c (swap_tree_operands): Export.
6549 * tree.h (swap_tree_operands): Declare.
6550 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6551 Call swap_tree_operands.
6553 2005-09-19 Richard Henderson <rth@redhat.com>
6555 * tree-flow.h (merge_alias_info): Declare.
6556 * tree-ssa-copy.c (merge_alias_info): Export.
6557 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6558 (vect_create_data_ref_ptr): Use create_iv directly.
6559 (vectorizable_load): Use correct types for integer constants.
6560 (vect_generate_tmps_on_preheader): Likewise.
6561 (vect_gen_niters_for_prolog_loop): Likewise.
6563 2005-09-19 Steven Bosscher <stevenb@suse.de>
6565 PR rtl-optimization/23943
6566 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6568 2005-09-18 Jan Hubicka <jh@suse.cz>
6570 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6572 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
6574 * varasm.c (output_constant): Do not abort on conversions to union
6575 types between different sizes.
6577 2005-09-18 Richard Guenther <rguenther@suse.de>
6580 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6583 2005-09-18 Paul Brook <paul@codesourcery.com>
6585 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6587 2005-09-17 Richard Henderson <rth@redhat.com>
6589 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6590 * tree-ssa-loop.c (pass_vect_dce): Remove.
6591 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6594 2005-09-17 Richard Henderson <rth@redhat.com>
6596 * tree-pass.h (pass_vect_dce): Declare.
6597 * passes.c (init_optimization_passes): Add it.
6598 * tree-flow.h (tree_ssa_dce): Declare.
6599 * tree-ssa-dce.c (tree_ssa_dce): Export.
6600 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6601 (gate_tree_vectorize): ... here.
6602 (pass_vect_dce): New.
6604 2005-09-17 Jan Hubicka <jh@suse.cz>
6606 * except.c (struct eh_status): Turn region_array into vec.
6607 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6608 convert_from_eh_region_ranges, find_exception_handler_labels,
6609 current_function_has_exception_handlers, assign_filter_values,
6610 build_post_landing_pads, dw2_build_landing_pads,
6611 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6612 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6613 foreach_reachable_handler, can_throw_internal_1,
6614 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6616 (duplicate_eh_region_1): Update region_array.
6617 (duplicate_eh_regions): Resize region_array and avoid recomputing.
6619 2005-09-17 David Edelsohn <edelsohn@gnu.org>
6622 * expmed.c (expand_mult): Substitute simple register for op0 when
6625 2005-09-17 Richard Henderson <rth@redhat.com>
6627 * expr.c (emit_move_via_integer): Add force argument, pass it on
6628 to emit_move_change_mode. Update callers.
6629 (emit_move_complex): Pass true to new force argument.
6630 * function.c (expand_function_end): Move expand_eh_return call
6631 earlier. Merge sub-word complex values into a pseudo before
6632 copying to the return hard register.
6634 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
6636 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6637 between different sizes.
6639 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
6643 * passes.c (init_optimization_passes): Register dump files for
6646 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
6648 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6649 * config/s390/s390.c (s390_overlap_p): New function.
6650 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6651 peephole2, "*xc" peephole2): Added overlap check to the peephole2
6654 2005-09-16 Richard Guenther <rguenther@suse.de>
6656 * ipa-pure-const.c (static_execute): Free auxiliar information.
6657 * ipa-type-escape.c (discover_unique_type): Free temporary key.
6658 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6660 2005-09-15 DJ Delorie <dj@redhat.com>
6662 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6664 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
6666 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6668 (swap_commutative_operands_with_target): New.
6670 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
6672 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6675 (estimate_iters_using_array): New function.
6676 * tree-data-ref.h (estimate_iters_using_array): Prototype
6677 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6678 Use estimate_iters_using_array instead of analyze_array.
6680 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
6682 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6685 2005-09-15 Michael Matz <matz@suse.de>
6687 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6689 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
6691 PR tree-optimization/23835
6692 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6693 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6695 2005-09-14 Richard Henderson <rth@redhat.com>
6697 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6698 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6700 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
6702 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6703 in the ARRAY_TYPE case.
6705 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
6707 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6709 2005-09-14 Uros Bizjak <uros@kss-loka.si>
6712 * tree-vect-transform.c (vectorizable_operation): Return false for
6713 scalar shift operations and for vector shift operations with
6714 non-invariant shift arguments. Use scalar tree operand op1 as
6715 a shift operand when vector shift insn pattern uses scalar shift
6717 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6719 2005-09-14 Olivier Hainque <hainque@adacore.com>
6721 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6722 value if it has side-effects.
6724 2005-09-14 David Edelsohn <edelsohn@gnu.org>
6727 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6729 2005-09-14 Alan Modra <amodra@bigpond.net.au>
6731 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6732 passed as NAME as if it were label at start of function code.
6734 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
6736 * config/sh/sh.md (*movv4sf_i): Add general register cases to
6739 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6741 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6742 as early clobber. Rewrite so the PIC register is not implicitly used.
6744 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6746 * tree.c (annotate_with_file_line): Compare line numbers before
6749 2005-09-13 Uros Bizjak <uros@kss-loka.si>
6752 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6753 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6755 2005-09-13 Ian Lance Taylor <ian@airs.com>
6757 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6758 than a HOST_WIDEST_INT to gen_doloop_begin.
6760 2005-09-13 Diego Novillo <dnovillo@redhat.com>
6762 * tree-dfa.c (dump_variable): Guard against NULL annotations.
6764 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
6766 PR tree-optimize/23817
6767 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6769 2005-09-13 Alan Modra <amodra@bigpond.net.au>
6772 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6773 word before changing the stack pointer. Use gen_frame_mem for MEMs.
6774 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6775 (restore_stack_nonlocal): Likewise.
6776 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6778 2005-09-12 Ian Lance Taylor <ian@airs.com>
6781 * c.opt (ffriend-injection): New C++ option.
6782 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6783 (C++ Dialect Options): Document -ffriend-injection.
6785 2005-09-12 Josh Conner <jconner@apple.com>
6788 * ipa-reference.c (static_execute): Don't mark variables in
6789 named sections TREE_READONLY.
6791 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6793 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6796 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6798 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6799 V_MUST_DEF instead of just the first_use_p.
6800 Don't mark the virtual variables for renaming on the statement which
6802 (pass_dse): Remove TODO_update_ssa.
6804 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
6807 * stor-layout.c (compute_record_mode): For records with a single
6808 field, actually check the field's mode size against the type size.
6810 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6811 registers for TARGET_SHMEDIA.
6812 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6813 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
6814 of GENERAL_REGS and FP_REGS.
6816 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
6818 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6820 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6822 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6823 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6824 are omitted. Exclude stack_tie insn too.
6826 2005-09-11 David Edelsohn <edelsohn@gnu.org>
6828 PR rtl-optimization/23098
6829 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6831 * config/rs6000/rs6000.md (movdf splitter): Use
6832 const_double_operand predicate for TARGET_POWERPC64.
6833 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6834 SYMBOL_REF method to ABI_V4.
6836 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6837 replace_equiv_address.
6838 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6839 rs6000_sr_alias_set and MEM_NOTRAP.
6840 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6842 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
6844 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6845 handle CALL_EXPR again.
6847 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
6849 * arm/predicates.md (alignable_memory_operand): Delete.
6851 2005-09-10 Richard Henderson <rth@redhat.com>
6854 * dbxout.c (dbxout_expand_expr): New.
6855 (dbxout_symbol): Use it.
6857 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
6859 * arm.c (arm_gen_rotated_half_load): Delete.
6860 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6861 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6862 (thumb_set_return_address): Likewise.
6863 (thumb_load_double_from_address): Use adjust_address.
6864 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6865 (extendhsisi2_mem, movhi_bytes): Use change_address.
6866 (movhi): Use widen_memory_access.
6867 (reload_out_df): Use replace_equiv_address.
6868 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6870 2005-09-09 Richard Henderson <rth@redhat.com>
6873 * dbxout.c: Include expr.h.
6874 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6875 (dbxout_symbol): Handle DECL_VALUE_EXPR.
6876 * Makefile.in (dbxout.o): Add EXPR_H.
6878 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
6880 PR tree-optimization/23509
6881 * tree-cfg.c (replace_uses_by): Use replace_exp.
6882 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6883 pointers have name_mem_tag or type_mem_tag set.
6885 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6887 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6888 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6889 of wrongly accessing operands.
6891 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6893 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6894 * tree-chrec.c: Include tree-scalar-evolution.h.
6895 (chrec_convert): Instantiate the base and step before calling
6896 scev_probably_wraps_p that would fail on parametric evolutions.
6897 Collect all the fails into a single section failed_to_convert,
6898 print a diagnostic, and return chrec_dont_know instead of calling
6900 * tree-scalar-evolution.c (loop_closed_phi_def): New.
6901 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6903 (scev_const_prop): Don't replace the definition of a loop closed ssa
6904 phi node by itself, or by another loop closed ssa phi node.
6905 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6906 that base and step are defined.
6908 2005-09-09 Richard Guenther <rguenther@suse.de>
6911 * fold-const.c (fold_ternary): Check truth_value_p before
6912 calling invert_truthvalue.
6914 2005-09-09 Nick Clifton <nickc@redhat.com>
6916 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6917 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6918 dimension of these arrays.
6919 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6921 * longlong.h: Only provide a prototype for the __clz_tab[] array
6922 if this header has not been included from libgcc2.h.
6923 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6925 Provide prototypes for exported functions.
6926 Use the __clz_tab[] and __popcount_tab[] arrays provided by
6929 2005-09-08 Josh Conner <jconner@apple.com>
6933 * expr.c (expand_expr_addr_expr_1): Don't invoke
6934 expand_simple_binop for EXPAND_INITIALIZER.
6936 2005-09-08 Richard Henderson <rth@redhat.com>
6939 * toplev.c (wrapup_global_declaration_1): Split out ...
6940 (wrapup_global_declaration_2): ... from ...
6941 (wrapup_global_declarations): ... here. Return bool.
6942 (check_global_declaration_1): Split out ...
6943 (check_global_declarations): from here.
6944 (emit_debug_global_declarations): New.
6945 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6946 check_global_declaration_1, emit_debug_global_declarations): Declare.
6947 * c-decl.c (c_write_global_declarations_1): Don't create a vector
6948 of decls. Call wrapup_global_declaration_1,
6949 wrapup_global_declaration_2, check_global_declaration_1 directly.
6950 (c_write_global_declarations_2): New.
6952 (c_write_global_declarations): Call c_write_global_declarations_2.
6953 * langhooks.c (write_global_declarations): Call
6954 emit_debug_global_declarations.
6956 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6957 remove decls that have DECL_RTL_SET_P.
6958 * passes.c (rest_of_decl_compilation): Invoke
6959 cgraph_varpool_finalize_decl for all but functions.
6961 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
6963 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6964 the result of a conversion if the new min and max cannot be compared.
6966 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
6968 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6969 (override_options): Setting s390_sr_alias_set removed.
6970 (save_fpr, save_gprs): Set alias set to vararg or frame.
6971 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6972 s390_sr_alias_set with get_frame_alias_set ().
6973 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6974 get_varargs_alias_set ().
6976 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6980 * c-parser.c (c_parser_objc_method_definition): If the next
6981 token is not "{", error out and don't start the function.
6983 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6985 * tree-vrp.c (extract_range_from_expr): Move the check for non
6986 nullness after the check for gimple invariant.
6988 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6990 * tree.c (host_integerp, tree_low_cst): Correct function comment.
6992 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6995 * config/m32r.md (movmemsi_internal): Canonicalize order of
6996 operands in PLUS component of template.
6998 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
7000 * reload1.c (fixup_eh_region_note): Remove assertion.
7001 (fixup_abnormal_edges): Reverted removal of call to
7002 find_many_sub_basic_blocks made on 2005-08-31.
7004 2005-09-07 Richard Henderson <rth@redhat.com>
7006 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
7007 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
7008 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
7009 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
7010 rearrange for better packing.
7011 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
7012 (lookup_cfa_1): Remove inline marker.
7013 (cfa_equal_p): Split out of ...
7014 (def_cfa_1): ... here. Use INVALID_REGNUM.
7015 (build_cfa_loc): Handle !cfa->indirect.
7016 (frame_pointer_cfa_offset): New.
7017 (dbx_reg_number): Assert register elimination performed; do
7018 leaf register remapping.
7019 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
7020 (eliminate_reg_to_offset): New.
7021 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
7022 for verifiably local stack frame addresses; re-base to CFA.
7023 (mem_loc_descriptor): Remove can_use_fbreg argument.
7024 (concat_loc_descriptor, loc_descriptor): Likewise.
7025 (containing_function_has_frame_base): Remove.
7026 (rtl_for_decl_location): Don't do register elimination or
7027 leaf register remapping here.
7028 (secname_for_decl): Split out from ..
7029 (add_location_or_const_value_attribute): ... here.
7030 (convert_cfa_to_loc_list): New.
7031 (compute_frame_pointer_to_cfa_displacement): New.
7032 (gen_subprogram_die): Use them.
7033 * tree.h (frame_base_decl): Remove.
7034 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
7035 (prologue_stack_adjust): Remove.
7036 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
7037 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
7038 (set_frame_base_location): Remove.
7039 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
7040 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
7041 (vt_add_function_parameters): Don't eliminate_regs.
7042 (vt_initialize): Don't create frame_base_decl.
7044 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7046 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
7047 version of GNU binutils for 4.x and later.
7049 2005-09-06 Mark Mitchell <mark@codesourcery.com>
7051 * ggc-page.c (ggc_push_context): Remove.
7052 (ggc_pop_context): Likewise.
7053 * ggc.h (ggc_push_context): Remove.
7054 (ggc_pop_context): Likewise.
7056 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
7059 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
7060 returning from an interrupt handler.
7062 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
7065 * config/arc/arc.c (output_shift): Add check for loop count when
7068 2005-09-06 Steven Bosscher <stevenb@suse.de>
7070 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
7072 (abs_replacement): Likewise.
7073 (pass_phiopt): Remove TODO_update_ssa.
7075 2005-09-06 Jakub Jelinek <jakub@redhat.com>
7078 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
7079 if "return with no value, in function returning non-void" warning
7081 * tree-cfg.c (execute_warn_function_return): Don't look at
7082 RETURN_EXPRs with TREE_NO_WARNING set.
7085 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
7086 for internal functions doesn't use registers used by global registers
7087 variables. Use fewer register parameters if there are global register
7090 2005-09-06 Olivier Hainque <hainque@adacore.com>
7091 Eric Botcazou <ebotcazou@adacore.com>
7094 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
7095 when we would be extracting outside its bit span (bitpos+bitsize
7096 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
7097 Ada unchecked conversions.
7099 2005-09-06 Steven Bosscher <stevenb@suse.de>
7101 * tree-ssa-pre.c (try_look_through_load): New function.
7102 (compute_avail): Use it to try to look through loads for some
7103 more useful expressions.
7105 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
7107 * simplify-rtx.c (simplify_binary_operation_1): Correct the
7108 condition for detecting cases like (a&a) and (a^a).
7110 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
7112 * common.opt: Add option ftree-vect-loop-version.
7113 * params.def: Add --param vect-max-version-checks.
7114 * doc/invoke.texi: Document ftree-vect-loop-version and
7115 --param vect-max-version-checks.
7116 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
7117 may_misalign_stmts and defines for accessors.
7118 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
7119 LOOP_VINFO_MAY_MISALIGN_STMTS.
7120 (destroy_loop_vec_info): VEC_free for
7121 LOOP_VINFO_MAY_MISALIGN_STMTS.
7122 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7123 Update documentation.
7124 (vect_update_misalignment_for_peel): New.
7125 (vect_enhance_data_refs_alignment): Update to choose loop
7126 peeling or loop versioning if appropriate for the (potentially)
7127 unaligned data references in the loop.
7128 (vect_analyze_data_refs_alignment): Remove call to
7129 vect_enhance_data_refs_alignment so the checks can be done
7131 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
7132 and move up call to vect_analyze_data_refs_alignment.
7133 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
7134 (vect_transform_loop): Add call to loop_version.
7136 2005-09-06 Jakub Jelinek <jakub@redhat.com>
7138 PR rtl-optimization/23098
7139 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
7140 * simplify-rtx.c (constant_pool_reference_p): New function.
7141 * rtl.h (constant_pool_reference_p): New prototype.
7142 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
7143 constant_pool_reference_p in condition and
7144 avoid_constant_pool_reference in preparation statements.
7146 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
7148 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
7149 STRICT_LOW_PART SETs.
7151 2005-09-06 Alan Modra <amodra@bigpond.net.au>
7154 * except.c (sjlj_emit_function_enter): Find the function begin
7155 note even when it's not in first basic block.
7157 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
7159 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
7160 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
7161 * aclocal.m4: Regenerate.
7163 2005-09-05 DJ Delorie <dj@redhat.com>
7165 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
7168 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
7170 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
7171 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
7172 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
7173 Follow spelling conventions.
7174 * doc/invoke.texi: Follow spelling conventions.
7176 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
7178 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
7179 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
7180 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
7182 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
7185 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
7186 (output_stack_adjust): Use gen_tmp_stack_mem.
7187 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
7188 (sh_set_return_address, sh_allocate_initial_value): Likewise.
7189 (sh_get_pr_initial_val): Likewise.
7190 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
7191 (sh_initialize_trampoline): Likewise. Also use adjust_address.
7192 * sh.md (divsi_inv_m0): Use gen_const_mem.
7193 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
7194 (movdf_i4+1): Use gen_tmp_stack_mem.
7195 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
7196 (fpu_switch+2): Likewise.
7197 (movv4sf_i, movv16sf_i): Use adjust_address.
7198 (symGOT_load): Set MEM_NOTRAP_P bit.
7200 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7203 * pa.c (emit_move_sequence): Fix typo in last change.
7205 2005-09-03 Jakub Jelinek <jakub@redhat.com>
7207 PR rtl-optimization/23454
7208 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
7211 2005-09-03 Richard Henderson <rth@redhat.com>
7212 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7215 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
7218 2005-09-02 Nicolas Pitre <nico@cam.org>
7220 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
7221 to bit_count to 32 bits.
7223 2005-08-31 Mark Mitchell <mark@codesourcery.com>
7226 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
7227 generating synthetic loads from volatile lvalues.
7229 005-09-02 Nick Clifton <nickc@redhat.com>
7231 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
7232 __ctzhi2, __clzhi2): New functions.
7234 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
7237 * tree-nested.c (struct var_map_elt): Mark with GTY.
7238 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
7240 (lookup_field_for_decl): Allocate new element in GC memory.
7241 (lookup_tramp_for_decl): Likewise.
7242 (convert_nl_goto_reference): Likewise
7243 (create_nesting_tree): Allocate info in GC memory. Likewise for
7245 (free_nesting_tree): Free with ggc_free instead of free.
7246 (root): New static variable.
7247 (lower_nested_functions): Remove root as local variable. And zero out
7248 root at the end of the function.
7250 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
7252 PR rtl-optimization/20365
7253 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
7254 to short. New member ix.
7255 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
7256 (simplify_plus_minus): Initialize ix members before calling qsort.
7258 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
7260 PR tree-optimization/23626
7261 * tree-cfg.c (replace_uses_by): Clean up eh info.
7263 2005-09-01 DJ Delorie <dj@redhat.com>
7265 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
7268 2005-09-01 David Edelsohn <edelsohn@gnu.org>
7270 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
7271 (rs6000_split_multireg_move): Use replace_equiv_address instead of
7274 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
7276 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
7277 do not issue warning for a variable definition following
7280 2005-09-01 Richard Henderson <rth@redhat.com>
7283 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
7284 conversion to CONST_VECTOR.
7286 2005-09-01 Richard Henderson <rth@redhat.com>
7289 * reload1.c (reload_as_needed): Check !CALL_P before calling
7290 fixup_eh_region_note.
7291 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
7293 2005-09-01 DJ Delorie <dj@redhat.com>
7295 * varasm.c (output_constant): Let the target resolve
7296 conversions of addresses to non-default pointer sizes.
7298 2005-09-01 Nicolas Pitre <nico@cam.org>
7300 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
7301 to alow matching ARM pre-indexed addressing mode.
7302 (arm_override_options): Remove now irrelevant comment.
7304 2005-09-01 Phil Edwards <phil@codesourcery.com>
7306 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
7307 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
7308 * config/i386/vxworks.h: Likewise.
7309 * config/i386/t-vxworksae: New file, for VxWorks AE.
7310 * config/i386/vxworksae.h: Likewise.
7312 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
7314 PR tree-optimization/23410
7315 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
7316 sequence is not wrapping during the first step.
7318 2005-09-01 Jakub Jelinek <jakub@redhat.com>
7321 * dwarf2out.c (base_type_die): Compare char_type_node with
7322 TYPE_MAIN_VARIANT (type), not type.
7324 2005-09-01 Richard Guenther <rguenther@suse.de>
7326 PR tree-optimization/15366
7327 * common.opt: Add -finline-functions-called-once.
7328 Put -fearly-inlining in alphabetically ordered place.
7329 * doc/invoke.texi: Document new option.
7330 * ipa-inline.c (cgraph_decide_inlining): Honour
7331 flag_inline_functions_called_once.
7333 2005-09-01 Jakub Jelinek <jakub@redhat.com>
7335 PR rtl-optimization/23478
7336 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
7337 (alloc_qty): Initialize it.
7338 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
7339 (combine_regs): Combine also n_throwing_calls_crossed fields.
7340 (find_free_reg): Don't attempt to caller-save pseudos crossing
7341 calls that might throw.
7342 * global.c (struct allocno): Add throwing_calls_crossed field.
7343 (global_alloc): Revert 2005-08-22 change. Initialize
7344 throwing_calls_crossed.
7345 (find_reg): Don't attempt to caller-save pseudos crossing calls that
7348 2005-09-01 Alan Modra <amodra@bigpond.net.au>
7351 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
7352 (mask64_operand): Reinstate code prior to 2005-06-11 change.
7353 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
7354 (and64_2_operand): Tweak to use predicate.
7355 (and_operand): Adjust for mask_operand changes.
7356 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
7357 (print_operand): Likewise.
7358 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
7359 (mask64_1or2_operand): Delete.
7360 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
7361 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
7362 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
7363 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
7364 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
7365 (rotldi3_internal4): Likewise.
7366 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
7367 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
7368 (ashldi3_internal7): Likewise.
7369 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
7370 (ashldi3_internal, ashldi3_internal9 split): Likewise.
7371 (anddi3 split): Don't match mask64_operand.
7372 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
7373 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
7374 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
7375 't' splitter predicate.
7376 (movdi_internal64 + 2): Revert 2005-06-11 change.
7378 2005-08-31 DJ Delorie <dj@redhat.com>
7380 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
7381 (m32c_asm_integer): Add support for 32 bit pointers.
7383 2005-08-31 Richard Henderson <rth@redhat.com>
7385 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
7386 component-like references for setting MEM_NOTRAP_P.
7388 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
7389 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
7391 2005-08-31 Richard Henderson <rth@redhat.com>
7393 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
7394 into a pseudo before applying gen_lowpart.
7396 2005-08-31 Geoffrey Keating <geoffk@apple.com>
7398 * doc/install.texi (Specific): Update cctools version required
7399 for full functionality.
7400 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
7401 linkers as -macosx_version_min.
7403 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
7406 * sh.c (print_operand, %R and %S): Add handling of floating point
7407 registers, memory, constants and invalid operands.
7409 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
7411 * ipa-pure-const.c: Change dump name.
7413 2005-08-31 Uros Bizjak <uros@kss-loka.si>
7416 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
7417 to "reg_or_0_operand".
7418 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
7420 2005-08-31 Dale Johannesen <dalej@apple.com>
7422 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
7423 loops that count down.
7425 2005-08-31 Richard Henderson <rth@redhat.com>
7428 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
7429 (fixup_eh_region_note): New.
7430 (reload_as_needed): Call it.
7431 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
7432 don't call find_many_sub_basic_blocks; call verify_flow_info.
7433 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
7434 (keep_stack_depressed): Likewise.
7435 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
7437 2005-08-31 Richard Henderson <rth@redhat.com>
7439 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
7442 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
7444 * expr.c (expand_expr_real_1): Compare size of address
7445 mode to target's address mode size in deciding expansion of
7446 the constant address.
7448 2005-08-31 Richard Guenther <rguenther@suse.de>
7451 * expr.c (all_zeros_p): New function.
7452 (expand_expr_real_1): Handle the case of an all-zero
7453 non-addressable constructor separately.
7455 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
7457 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
7458 arguments, adjust all callers.
7459 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
7461 2005-08-30 Richard Henderson <rth@redhat.com>
7464 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
7465 whenever the mode sizes match.
7467 2005-08-31 Alan Modra <amodra@bigpond.net.au>
7469 * calls.c (load_register_parameters): Fix comment typo.
7470 * expr.c (emit_push_insn): Comment formatting.
7472 2005-08-30 Ian Lance Taylor <ian@airs.com>
7474 * config/i386/x-cygwin (host-cygwin): Change dependency from
7475 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
7477 2005-08-29 Geoffrey Keating <geoffk@apple.com>
7479 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
7482 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7485 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
7486 call to ggc_collect.
7488 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
7491 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
7492 beginning. Remove $(INCLUDES) from all the rules, if following
7493 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
7495 2005-08-29 Jakub Jelinek <jakub@redhat.com>
7498 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
7499 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
7500 not constant, but maxlen is, don't set len to maxlen, rather
7501 set maxlen to len if len is a constant.
7503 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
7505 PR tree-optimization/23475
7506 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
7509 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
7511 Fix PR middle-end/22455
7513 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
7514 Checksum only the parts of the tree that exist for the tree code.
7516 2005-08-28 Dale Johannesen <dalej@apple.com>
7518 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
7520 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
7522 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
7524 2005-08-28 Richard Henderson <rth@redhat.com>
7526 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
7527 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
7530 2005-08-28 Jakub Jelinek <jakub@redhat.com>
7533 * builtins.c (get_memory_rtx): Don't strip nops
7534 in between COMPONENT_REFs.
7536 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
7539 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
7541 (gimplify_modify_expr): Check for zero sized types and gimplify the
7542 rhs and lhs as statements.
7544 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
7547 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7548 state for return address column of signal frames.
7550 2005-08-27 David Edelsohn <edelsohn@gnu.org>
7553 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7554 bytes >= 2 not bytes == 2.
7555 (expand_block_move): Same.
7557 2005-08-27 Richard Guenther <rguenther@suse.de>
7560 * config/i386/sse.md (sse2_movsd): Add missing closing
7563 2005-08-27 Paul Brook <paul@codesourcery.com>
7565 * genrecog.c (enum decision_type): Add DT_num_insns.
7566 (struct decision_test): Add u.num_insns.
7567 (add_to_sequence): Add DT_num_insns test.
7568 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7569 (write_cond, debug_decision_2): Ditto.
7570 (change_state): Assume peep2_next_insn never fails.
7571 Remove "afterward" argument.
7572 (write afterward, write_tree): Update to match.
7573 * recog.c (peep2_current_count): New variable.
7574 (peep2_next_insn): Check it.
7575 (peephole2_optimize): Set peep2_current_count.
7576 * recog.h (peep2_current_count): Declare.
7578 2005-08-26 Josh Conner <jconner@apple.com>
7581 * ipa-pure-const.c (check_tree): Check for volatile-ness
7582 when considering a dereference.
7584 2005-08-27 Jakub Jelinek <jakub@redhat.com>
7586 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7588 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7590 PR rtl-optimization/23561
7591 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
7592 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7593 at most LEN bytes long memory fits into the field.
7594 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7595 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7596 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7598 2005-08-26 Richard Henderson <rth@redhat.com>
7601 * loop.c (biased_biv_may_wrap_p): New.
7602 (maybe_eliminate_biv_1): Use it to suppress non-equality
7603 comparison transformations. Delete disabled code.
7605 2005-08-26 Ian Lance Taylor <ian@airs.com>
7607 * combine.c (make_extraction): Avoid reference outside object.
7609 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
7611 * stor-layout.c (finalize_type_size): Restore behaviour for
7612 non-aggregate types to the status quo ante of the patch for
7613 pr 23467. Document why it matters.
7615 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7618 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7619 array by one element, initialize the BT_LAST element with NULL.
7621 2005-08-26 David Edelsohn <edelsohn@gnu.org>
7623 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7624 optimizing for size.
7626 (compare_plus_eqsi): Same.
7627 (plus_eqsi_compare): Same.
7628 (neg_eq0<mode>): Same.
7629 (neg_eq<mode>): Same.
7631 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7634 2005-08-26 Nick Clifton <nickc@redhat.com>
7636 * config/v850/v850.c (ep_memory_operand): Return FALSE if
7637 TARGET_EP is not defined.
7638 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7639 TARGET_EP is enabled.
7640 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7641 * config/v850/v850.md (save_all_interrupt): Only use the EP
7642 register if TARGET_EP is defined.
7643 (restore_all_interrupt): Likewise.
7644 * config/v850/lib1funcs.asm: Update functions so that the EP
7645 register is only used if __EP__ is defined.
7647 2005-08-26 David Ung <davidu@mips.com>
7649 * config/mips/mips.c (mips_expand_prologue): Handle case when
7650 generating for MIPS16 and the outgoing argument area is more than
7651 SMALL_OPERAND. Use the frame pointer as temporary to generate the
7654 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
7656 * config/crx/crx.md: Make doloop_end pattern usage controllable
7657 via mloop-nesting=<max-nesting> command line switch. Make sure
7658 the combiner cannot use doloop_end_<mode> in an illegal way.
7659 * config/crx/crx.c: Use regs up to r6 for argument passing.
7660 Refine crx_address_cost (non cst4 displacements are expensive).
7661 * config/crx/crx.opt: Add switch for mloop-nesting=.
7663 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
7665 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7666 (UNSPEC_MVST): New constant.
7668 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
7670 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7671 Reject operands containing eliminable registers.
7672 * testsuite/gcc.dg/20050825-1.c: New testcase.
7674 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7675 Jan Hubicka <jh@suse.cz>
7677 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7679 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7681 PR tree-optimization/23546
7682 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7685 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
7687 * params.def (PARAM_MIN_SPEC_PROB): New.
7688 * sched-rgn.c (MIN_PROBABILITY): Delete.
7689 (compute_trg_info): Convert to PARAM_VALUE.
7690 * doc/invoke.texi (param): Document min-spec-prob.
7692 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
7694 * config/darwin.h: define __PIC__
7695 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7696 TARGET_OS_CPP_BUILTINS macro.
7698 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7700 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7703 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7705 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7707 * cfghooks.c (duplicate_block): Added position where to place
7708 new block as argument.
7709 * cfghooks.h (duplicate_block): Declaration changed.
7710 * cfglayout.c (copy_bbs): Add argument after. Pass it to
7712 * cfglayout.h (copy_bbs): Declaration changed.
7713 * cfgloop.h (loop_version): Declaration changed.
7714 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7715 position to copy_bbs.
7716 (loop_version): Pass position to duplicate_loop_to_header_edge.
7717 Add place_after argument and position new blocks according to
7719 * modulo-sched.c (sms_schedule): Pass place_after argument
7721 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7722 * tree-cfg.c (split_edge_bb_loc): New function.
7723 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7724 to determine position of new blocks.
7725 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7727 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7728 argument to duplicate_block.
7729 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7730 Pass position to copy_bbs.
7732 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7734 * fold-const.c (ptr_difference_const): Use
7735 cst_and_fits_in_hwi instead of host_integerp.
7737 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7739 * config/darwin.c (gen_pic_offset): New.
7740 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
7743 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
7745 PR tree-optimization/23486
7746 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7748 2005-08-23 Phil Edwards <phil@codesourcery.com>
7750 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
7751 remove use_collect2.
7752 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
7754 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
7755 configuration files to override the default value.
7757 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
7758 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7759 * config/vx-common.h: New file, split out from...
7760 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
7761 * config/vxworksae.h: New file, for VxWorks AE.
7762 * config/vxworks.opt: New file.
7763 * config/vxlib.c: Update for VxWorks 6.
7765 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
7766 other MULTILIB_* variables appropriately.
7767 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
7768 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
7769 * config/rs6000/vxworks.h: Update for VxWorks 6.
7770 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
7772 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
7775 * config/darwin.c (machopic_select_section): Remove the hack to
7776 mark "::operator new" and "::operator delete" for coalescing
7777 even though they are not weak.
7779 2005-08-24 Alan Modra <amodra@bigpond.net.au>
7781 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7782 * configure: Regenerate.
7784 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7787 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7789 * convert.c (convert_to_integer, convert_to_vector): Likewise.
7790 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7793 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7795 * config/rs6000/predicates.md (equality_operator): New.
7796 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7797 comparison with a large constant.
7799 2005-08-23 Mark Mitchell <mark@codesourcery.com>
7801 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7803 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
7805 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7806 registers is even, and we have a hardware double precision fp,
7808 (sh_gimplify_va_arg_expr): For floating point arguments, consider
7809 size of current argument when checking if argument was passed in
7812 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7815 * stor-layout.c (finalize_type_size): Dont override
7816 existing alignment with a smaller alignment from the mode.
7818 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7820 * lambda-code.c (lambda_vector_lexico_pos): Moved...
7821 * lambda.h (lambda_vector_lexico_pos): ... here.
7822 * tree-data-ref.c (build_classic_dist_vector): Return false when
7823 the distance vector is lexicographically negative.
7825 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7827 PR tree-optimization/23511
7828 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7829 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7831 2005-08-23 Jakub Jelinek <jakub@redhat.com>
7833 PR tree-optimization/22043
7834 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7835 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7836 If ALLOW_FLEXARR, handle types ending with flexible array member.
7837 Pass false as second argument to recursive count_type_elements calls.
7838 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7839 argument to count_type_elements call.
7840 * tree-sra.c (decide_block_copy): Likewise.
7841 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7842 for a constant-sized object, set cleared as well. Pass true as
7843 second argument to count_type_elements call.
7845 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7848 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7849 from legitimate_small_data_p, and make global. Update use.
7850 Remove forward declaration.
7851 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7853 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7855 2005-08-23 David Edelsohn <edelsohn@gnu.org>
7857 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7858 of scratch intermediates.
7859 (eq<mode>_compare): Same.
7860 (neg_eq0<mode>): New.
7861 (neg_eq<mode>): Convert to define_insn_and_split.
7863 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7866 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7867 stdarg functions, set/clear the fp marker even when no variable
7869 * config/rs6000/sysv4.opt (mprototype): Describe.
7871 2005-08-22 Jakub Jelinek <jakub@redhat.com>
7873 PR rtl-optimization/23478
7874 * regs.h (reg_info): Add throw_calls_crossed.
7875 (REG_N_THROWING_CALLS_CROSSED): Define.
7876 * flow.c (allocate_reg_life_data): Initialize
7877 REG_N_THROWING_CALLS_CROSSED.
7878 (propagate_one_insn, attempt_auto_inc): Update
7879 REG_N_THROWING_CALLS_CROSSED.
7880 * global.c (global_alloc): Don't allocate pseudos across
7881 calls that may throw.
7883 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
7886 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7887 value is inbetween the range if we did not find an exact match.
7889 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
7891 * doc/invoke.texi (Option Summary): Add ms1 options.
7892 * doc/extend.texi: Document interrupt handler attribute for ms1.
7893 * doc/md.texi: Document ms1 constraints.
7894 * config.gcc: Add ms1-*-elf.
7895 * config/ms1/ms1.h: New.
7896 * config/ms1/ms1.c: New.
7897 * config/ms1/ms1.md: New.
7898 * config/ms1/ms1-protos.h: New.
7899 * config/ms1/ABI.txt: New.
7900 * config/ms1/crti.asm: New.
7901 * config/ms1/crtn.asm: New.
7902 * config/ms1/lib2extra-funcs.c: New.
7903 * config/ms1/t-ms1: New.
7904 * config/ms1/ms1.opt: New.
7906 2005-08-22 Ira Rosen <irar@il.ibm.com>
7908 * config/rs6000/altivec.md (xorv4sf3): New.
7909 (negv4sf2, neg<mode>2): Likewise.
7911 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
7914 * config/ia64/ia64.md (divsi3): Check divide by zero.
7915 (udivsi3): Likewise.
7917 (udivdi3): Likewise.
7919 2005-08-21 Jakub Jelinek <jakub@redhat.com>
7921 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7922 up to elem_bitsize bits, not max_bitsize.
7924 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7926 PR tree-optimization/23433
7927 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7928 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7930 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7932 PR tree-optimization/23434
7933 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7934 the iteration bound is not an INTEGER_CST.
7936 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
7938 * tree-vect-transform.c (get_initial_def_for_reduction): Set
7939 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7940 NULL if need_epilog_adjust is false.
7941 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7942 Case 3 always peels first itration, not just for PLUS case, and no need
7943 to use scalar_initial_def here. Create an epilog adjustment only if
7944 scalar_initial_def is not NULL.
7946 (vectorizable_reduction): Remove assert.
7948 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
7951 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7952 (__moddi3): Likewise.
7953 (__udivdi3): Likewise.
7954 (__umoddi3): Likewise.
7955 (__divsi3): Likewise.
7956 (__modsi3): Likewise.
7957 (__udivsi3): Likewise.
7958 (__umodsi3): Likewise.
7960 2005-08-20 Jakub Jelinek <jakub@redhat.com>
7962 * tree-pass.h (TDF_GRAPH): Define.
7963 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7964 * passes.c (finish_optimization_passes): Only call
7965 finish_graph_dump_file if TDF_GRAPH is set.
7966 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7967 NULL. Set TDF_GRAPH bit.
7968 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7970 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
7972 * arm.h (arm_stack_offsets): Add locals_base field.
7973 * arm.c (arm_get_frame_offsets): Compute it.
7974 (thumb_compute_initial_elimination offset): Make the Thumb frame
7975 pointer point to the base of the local variables.
7976 (thumb_expand_prologue): Update accordingly.
7977 (thumb_expand_epilogue): Likewise.
7979 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
7980 mode of clobbered scratch to DImode. Handle a case that's known to
7983 2005-08-19 David Edelsohn <edelsohn@gnu.org>
7985 * config/rs6000/rs6000.md (gt0<mode>): Delete.
7986 (gt0<mode>_compare): Delete.
7987 (neg_gt0<mode>): Delete.
7989 2005-08-19 Eric Christopher <echristo@apple.com>
7991 * optabs.h: Change CTI_ to COI_.
7994 2005-08-19 James E Wilson <wilson@specifix.com>
7996 * builtins.c (expand_builtin_return_addr): Set
7997 current_function_accesses_prior_frames when count != 0. Use
7998 frame_pointer_rtx when count == 0.
7999 * function.h (struct function): Add accesses_prior_frames field.
8000 (current_function_accesses_prior_frames): Define.
8001 * reload1.c (init_elim_table): Check
8002 current_function_accesses_prior_frames.
8003 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
8005 2005-08-19 Diego Novillo <dnovillo@redhat.com>
8007 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
8008 indicator. Return true if the flowgraph changed during
8011 2005-08-19 Diego Novillo <dnovillo@redhat.com>
8014 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
8015 conditional expression before testing its value.
8017 2005-08-19 Diego Novillo <dnovillo@redhat.com>
8019 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
8021 2005-08-19 Devang Patel <dpatel@apple.com>
8023 PR tree-optimization/23048
8024 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
8025 third parameter. Check whether latch is dominated by exit
8027 (if_convertible_loop_p): Supply exit block itself to
8028 if_convertible_bb_p.
8030 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
8033 * arm.md (arm_load_pic_register): Change argument to the mask of
8034 saved registers. Call thumb_find_work_register if we need a
8035 scratch register on Thumb.
8036 (arm_expand_prologue): Pass empty register set to
8037 arm_load_pic_register.
8038 (thumb_expand_prologue): Pass live_regs_mask directly to
8039 arm_load_pic_register.
8040 * arm-protos.h (arm_load_pic_register): Update prototype.
8042 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
8044 * sh.c (find_sole_member): New function.
8045 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
8046 if the record's alignment is larger than the size of its only member.
8048 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
8051 * arm.c (thumb_legitimize_reload_address): New function.
8052 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
8053 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
8055 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
8057 * config/crx/crx.c: Implement crx_decompose_address. Reject
8058 symbolic displacements since CRX register relative adressing
8059 mode can't handle unsigned 32-bit values as displacements.
8060 * config/crx/crx.h: Simplify definitions, remove redundant
8061 parenthesis and obsolete macros.
8062 * config/crx/crx.opt: Add new switch for debugging addresses.
8063 * config/crx/crx-protos.h: Add new declarations for above.
8065 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
8068 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
8071 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8073 * collect2.c (dup2): Delete.
8074 * configure.ac: Don't check for dup2.
8076 * config.in, configure: Regenerate.
8078 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
8080 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
8081 record with the type of its only member.
8083 2005-08-18 David Edelsohn <edelsohn@gnu.org>
8085 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
8086 define_insn_and_split.
8087 (plus_ltu<mode>_compare): Same.
8088 (gtu<mode>_compare): Same.
8089 (plus_gtu<mode>_compare): Same.
8091 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
8093 PR tree-optimization/22228
8094 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
8096 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
8097 are recorded in vect_vnames_to_rename for renaming.
8098 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
8099 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
8100 in vect_vnames_to_rename.
8101 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
8102 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
8104 2005-08-18 Jan Hubicka <jh@suse.cz>
8107 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
8108 info only for local statics, not for member variables.
8110 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8112 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
8114 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8116 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
8118 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
8121 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
8123 2005-08-17 James E Wilson <wilson@specifix.com>
8125 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8128 2005-08-17 David Edelsohn <edelsohn@gnu.org>
8130 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
8131 (leu<mode>_compare): Same.
8132 (plus_leu<mode>): Same.
8133 (neg_leu<mode>): Same.
8134 (and_neg_leu<mode): Same.
8135 (ltu<mode>_compare): Same.
8136 (plus_ltu<mode>): Same.
8138 (geu<mode>_compare): Same.
8139 (plus_geu<mode>): Same.
8140 (neg_geu<mode>): Same.
8141 (and_neg_geu<mode>): Same.
8142 (plus_gt<mode>): Same.
8143 (gtu<mode>_compare): Same.
8144 (plus_gtu<mode>): Same.
8146 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
8148 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
8149 Move call_table_data to end. Delete spurious .text.
8150 (callt_save_all_interrupt): Fix comment typo.
8152 2005-08-17 James E Wilson <wilson@specifix.com>
8153 Kevin Winchester <winchester@amirix.com>
8156 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
8158 2005-08-17 Uros Bizjak <uros@kss-loka.si>
8161 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
8162 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
8164 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
8166 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
8167 record with the type of its only member if the modes don't match.
8169 * varasm.c (decode_reg_name): Skip empty additional register names.
8171 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8173 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
8174 lsm_tmp_name_length): New.
8175 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
8176 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
8178 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
8179 Andreas Krebbel <krebbel1@de.ibm.com>
8181 * config.gcc: Added z9-109 switch.
8182 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
8183 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
8184 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
8185 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
8186 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
8187 for "z9_109" cpu attribute.
8188 * config/s390/s390.c (z9_109_cost): New processor cost structure.
8189 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
8190 (s390_handle_arch_option): Added z9-109 switch.
8191 (override_options): Set respective cost function for z9-109.
8192 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
8193 (legitimate_reload_constant_p): Accept extended immediates.
8194 (print_operand): Three new output modifiers added: k, m and o.
8195 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
8196 (s390_output_mi_thunk): Use extended immediate when possible.
8197 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
8198 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
8199 (CONSTRAINT_LEN): Added length of O constraint.
8200 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
8201 * config/s390/s390.md ("cpu"): New value z9_109 added.
8202 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
8203 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
8204 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
8205 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
8206 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
8207 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
8208 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
8209 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
8210 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
8211 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8212 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
8213 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
8214 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
8215 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
8216 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
8218 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
8219 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
8220 insns for TARGET_EXTIMM.
8222 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
8224 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
8226 2005-08-17 Nick Clifton <nickc@redhat.com>
8228 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
8229 Call default_encode_section_info.
8231 2005-08-17 Steven Bosscher <stevenb@suse.de>
8233 PR tree-optimization/21574
8234 * tree-ssa-ccp.c (likely_value): If the right hand side is a
8235 constant, return CONSTANT.
8236 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
8237 (ccp_fold, visit_assignment): Likewise.
8238 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
8240 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
8242 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
8243 fold_buildN instead of buildN then fold_initializer or fold.
8244 (build_unary_op): Likewise.
8245 (build_binary_op): Likewise.
8246 * fold-const.c (fold_initializer): Remove.
8247 (fold_build1_initializer): New function.
8248 (fold_build2_initializer): New function.
8249 (fold_build3_initializer): New function.
8250 * tree.h (fold_initializer): Remove.
8251 (fold_build1_initializer): New function.
8252 (fold_build2_initializer): New function.
8253 (fold_build3_initializer): New function.
8255 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
8257 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
8258 (try_move_mult_to_index): Call fold_build2 instead of build2.
8259 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
8260 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
8261 fold_binary_to_constant.
8262 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
8264 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
8265 check if A == gcd (A, B). Remove TYPE argument.
8266 (analyze_offset) Use fold_build2 instead of fold (build.
8267 (create_data_ref): Likewise.
8268 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
8269 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
8272 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
8274 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
8275 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
8277 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
8280 * gimplify.c (zero_sized_type): New function.
8281 (gimplify_modify_expr_rhs): If we have a zero sized type,
8282 replace the statement with an empty statement.
8284 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
8286 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
8289 2005-08-16 Ian Lance Taylor <ian@airs.com>
8291 * doc/tm.texi (Label Output): Correct typo.
8293 2005-08-16 Steven Bosscher <stevenb@suse.de>
8296 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
8297 force_operand will work later on using have_insn_for.
8299 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8301 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
8303 2005-08-16 Ian Lance Taylor <ian@airs.com>
8306 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
8307 vector type, don't try to construct it element by element. Add an
8308 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
8310 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8312 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
8314 2005-08-16 Geoffrey Keating <geoffk@apple.com>
8316 * doc/invoke.texi (Precompiled Headers): Document some more options
8317 which are known to be safe.
8319 2005-08-16 James E Wilson <wilson@specifix.com>
8321 PR tree-optimization/21105
8322 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8323 TREE_OVERFLOW check.
8325 2005-08-16 David Edelsohn <edelsohn@gnu.org>
8327 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
8328 (neg_ltu<mode>): Same.
8330 (neg_gtu<mode>): Same.
8332 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8334 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
8335 (fold_builtin_isdigit): Use fold_buildN.
8336 (build_function_call_expr): Likewise.
8337 * c-typeck.c (c_finish_loop): Likewise.
8339 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
8340 Richard Shann <rshann@superh.com>
8342 PR middle-end/20396:
8343 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
8345 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
8347 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
8349 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
8352 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
8353 arm_compure_save_reg0_reg12_mask to determine when the PIC register
8356 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8359 * fold-const.c (build_range_check): Disable optimization for function
8360 pointer expressions on targets that require function pointer
8363 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
8365 * simplify-rtx.c (simplify_const_relational_operation): When
8366 extracting arguments of a COMPARE, recompute the mode as well.
8368 2005-08-15 Ian Lance Taylor <ian@airs.com>
8370 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
8372 2005-08-15 DJ Delorie <dj@redhat.com>
8374 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
8376 (movsi_splittable): Allow, but split, moves to the stack.
8377 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
8380 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8382 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
8383 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
8384 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
8386 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
8387 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
8388 Delete HOST_PTR_PRINTF.
8390 * configure, config.in: Regenerate.
8392 2005-08-15 David Edelsohn <edelsohn@gnu.org>
8394 * config/rs6000/rs6000.md (QHSI): New mode macro.
8395 (wd): Extend mode attr for QImode and HImode
8396 (dbits): New mode attr.
8397 (zero_extend<mode>di2): Convert to mode macro.
8399 2005-08-15 Steve Ellcey <sje@cup.hp.com>
8402 * doc/invoke.texi (-mgnu-ld): Update description.
8405 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
8408 * Makefile.in (tree-chrec.o): Depends on real.h.
8409 * tree-chrec.c: Include real.h.
8410 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
8411 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
8412 * tree-scalar-evolution.c (add_to_evolution_1,
8413 interpret_rhs_modify_expr): Ditto.
8415 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
8418 * tree-data-ref.c (estimate_niter_from_size_of_data): When
8419 step is negative compute the estimation from init downwards to zero.
8421 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
8423 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
8425 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
8427 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
8429 (legitimate_reload_constant_p): Fix handling of lliXX operands.
8430 Accept double-word constants that can be split.
8431 * config/s390/s390.md ("movti"): Use 'P' constraint.
8432 ("*movdi_31", "*movdf_31"): Likewise.
8434 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
8436 Fix PR tree-optimization/22615
8438 * tree-ssa-structalias.c (solution_set_add): Handle
8439 first_vi_for_offset returning NULL.
8440 (do_da_constraint): Ditto.
8441 (do_sd_constraint): Ditto.
8442 (do_ds_constraint): Ditto
8443 (find_func_aliases): Ditto.
8444 (build_constraint_graph): RHS is allowed be ANYTHING.
8445 (first_vi_for_offset): Return NULL if we couldn't find anything at
8448 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
8450 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
8451 over memory as first operand.
8453 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
8456 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
8457 available for setting it.
8459 2005-08-14 Ira Rosen <irar@il.ibm.com>
8461 PR tree-optimization/23320
8462 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
8463 data-refs' types instead of base object nullness. Add check for
8464 pointer type data-refs before first location comparison. Remove
8467 2005-08-14 Andreas Schwab <schwab@suse.de>
8469 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
8471 2005-08-13 James E Wilson <wilson@specifix.com>
8473 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
8474 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
8475 -fstack-protector-all, --param ssp-buffer-size): Document.
8476 (-Wvariadic-macros): Alphabetize.
8477 (-fsched-stalled-insns-dep): Add missing 'f'.
8479 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
8482 2005-08-13 David Edelsohn <edelsohn@gnu.org>
8484 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
8485 or indirect address operand.
8486 (EXTRA_ADDRESS_CONSTRAINT): New.
8487 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
8489 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
8491 PR tree-optimization/22236
8492 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
8493 successors and predecessors.
8494 * tree-chrec.c (chrec_convert): Before converting, check that
8495 sequences don't wrap.
8496 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
8497 (analyze_array): Extern.
8498 (find_data_references_in_loop): Remove call to
8499 compute_estimated_nb_iterations.
8500 * tree-data-ref.h (analyze_array): Declared.
8501 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
8502 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
8503 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
8504 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
8506 * tree-ssa-loop-ivcanon.c: Fix documentation.
8507 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
8508 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
8509 (infer_loop_bounds_from_undefined): New.
8510 (estimate_numbers_of_iterations_loop): Use
8511 infer_loop_bounds_from_undefined.
8512 (used_in_pointer_arithmetic_p): New.
8513 (scev_probably_wraps_p): Pass an extra parameter. Call
8514 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
8515 (convert_step): Fix documentation.
8516 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
8517 Use initial_condition_in_loop_num and evolution_part_in_loop_num
8518 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
8519 scev_probably_wraps_p.
8521 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
8523 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
8524 (s390_register_info): Ignore clobbered_regs information for fixed
8525 registers, and only fixed registers.
8526 (s390_init_frame_layout): Remove redundant call.
8528 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
8530 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
8531 description of -Wold-style-casts.
8533 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8534 Jakub Jelinek <jakub@redhat.com>
8536 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8537 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
8538 * config/s390/s390.c (print_operand): New output modifier 'G' added.
8539 (get_thread_pointer): Renamed to s390_get_thread_pointer.
8540 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
8541 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
8542 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8543 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8544 ("stack_protect_set", "stack_protect_test"): New expanders.
8545 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8546 "stack_protect_testdi"): New insn definitions.
8548 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8550 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8552 2005-08-12 Paul Brook <paul@codesourcery.com>
8554 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8556 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8558 * config/s390/predicates.md (setmem_operand): New predicate.
8559 (shift_count_operand): Accept ANDs with special constants as
8561 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8562 with special constants.
8563 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8564 shift_count_operand with setmem_operand.
8566 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8568 * config/s390/s390.c (s390_extract_part, s390_single_part):
8570 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8571 (s390_output_mi_thunk): Don't use lg on 31 bit.
8572 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8573 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8575 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8577 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8578 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8579 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8580 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8581 with one of the new macros.
8583 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8585 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8586 Don't set save_return_addr_p.
8587 (s390_register_info): Make clobbered_regs not depending on
8590 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
8592 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8593 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8595 2005-08-11 James E. Wilson <wilson@specifix.com>
8597 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8599 2005-08-11 Jakub Jelinek <jakub@redhat.com>
8601 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8602 locations gathered by var-tracking in single entry loc_list
8603 over loc_descriptor_from_tree.
8605 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8606 pass it down to loc_descriptor.
8607 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8608 (containing_function_has_frame_base): Move earlier in the file.
8609 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8610 instead of always assuming fbreg can't be used.
8612 2005-08-11 David Edelsohn <edelsohn@gnu.org>
8614 * config/rs6000/altivec.md: Change constraint "m" to "Z".
8615 * config/rs6000/predicates.md (indexed_or_indirect_operand):
8616 Accept address wrapped in AND for Altivec.
8617 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8618 Strip AND wrapping offset address for Altivec.
8620 2005-08-11 Richard Henderson <rth@redhat.com>
8623 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8624 before using TYPE_IS_SIZETYPE.
8626 2005-08-11 Richard Henderson <rth@redhat.com>
8629 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8630 insn types not present on ev4.
8631 (alphaev5_insn_pipe): Similarly.
8633 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
8636 * arm.c (arm_override_options): If the user has selected callee-super-
8637 interworking, then enable normal interworking.
8639 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8641 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8644 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
8646 * doc/rtl.texi: Fix two typos.
8648 2005-08-11 Richard Guenther <rguenther@suse.de>
8651 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8652 cases where we call to/from functions returning void.
8654 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
8657 * tree.c (build_pointer_type_for_mode): Robustify.
8659 2005-08-10 James E Wilson <wilson@specifix.com>
8661 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8662 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8664 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8667 2005-08-10 Eric Christopher <echristo@apple.com>
8669 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8670 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8673 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
8676 * config/darwin.c (machopic_indirect_data_reference): Use a new register
8677 for the high part when generating dynamic-no-pic code.
8679 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
8681 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8682 (x86_64-*-linux*): Likewise.
8684 * config/i386/crtfastmath.c: New file.
8685 * config/i386/t-crtfm: Likewise.
8687 * config/i386/linux.h (ENDFILE_SPEC): New.
8688 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8690 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8693 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
8695 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8696 (vec_shl, vec_shr): Document new operations.
8697 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8699 2005-08-10 David Edelsohn <edelsohn@gnu.org>
8701 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8702 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8703 change predicate to indexed_or_indirect_address.
8705 2005-08-10 Richard Sandiford <richard@codesourcery.com>
8707 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8708 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8709 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8710 and __aeabi_uwrite8.
8711 * config/arm/unaligned-funcs.c: New file.
8712 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8714 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
8716 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8718 * cfglayout.c (pass_insn_locators_initialize): Add dump.
8719 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8721 * except.c (pass_convert_to_eh_region_ranges): Add dump.
8722 * final.c (pass_shorten_branches): Add dump.
8723 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8724 (pass_life): Rename dump.
8725 (rest_of_handle_flow2): Remove initial verify_flow_info.
8726 * function.c (pass_instantiate_virtual_regs): Add dump.
8727 * integrate.c (pass_initial_value_sets): Add dump.
8728 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8729 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8730 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8731 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8732 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8733 gate_rtl_unrool_and_peel_loops): New.
8734 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8735 rtl_doloop): Do not look at flags.
8736 * mode-switching.c (pass_mode_switching): Add dump.
8737 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8738 pass_split_before_regstack): Add dump.
8739 * regmove.c (pass_stack_adjustments): Add dump.
8740 * tree-optimize.c (pass_fixup_cfg): Add dump.
8742 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8745 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8746 deciding which instruction sequence to use.
8748 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
8750 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8751 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8753 2005-08-09 Richard Guenther <rguenther@suse.de>
8755 * c-common.c (builtin_function_2): Remove.
8756 (def_builtin_1): New function.
8757 (c_common_nodes_and_builtins): Use def_builtin_1 to
8758 build builtin functions.
8760 2005-08-09 Jie Zhang <jie.zhang@analog.com>
8762 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8763 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8764 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8767 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8769 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8770 fold_binary instead of fold_build2 since we don't care about the
8772 (loop_niter_by_eval): Likewise.
8773 (compare_trees): Likewise.
8774 (proved_non_wrapping_p): Likewise.
8776 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8780 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8781 if the if is really empty.
8783 2005-08-09 Steven Bosscher <stevenb@suse.de>
8785 PR tree-optimization/23234
8786 * tree-ssa-math-opts.c (place_reciprocal): New enum.
8787 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8788 argument of the new enum.
8789 (execute_cse_reciprocals): Add reciprocals for function arguments
8790 on the unique successor edge of the entry block. Update other calls
8791 to execute_cse_reciprocals_1.
8793 2005-08-08 Richard Henderson <rth@redhat.com>
8796 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8798 2005-08-08 Bob Wilson <bob.wilson@acm.org>
8800 * expr.c (write_complex_part): Return after handling MEM.
8802 2005-08-08 Josh Conner <jconner@apple.com>
8804 PR rtl-optimization/23241
8805 * combine.c (simplify_comparison): Fix error in determining
8806 whether to lift a subreg from comparison.
8808 2005-08-08 David Edelsohn <edelsohn@gnu.org>
8811 * config/rs6000/altivec.md (vec_init<mode>): New.
8812 (vec_set<mode>): New.
8813 (vec_extract<mode>): New.
8814 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8815 (rs6000_expand_vector_set): New.
8816 (rs6000_expand_vector_extract): New.
8817 (rs6000_legitimate_offset_address_p): Offset addresses are valid
8818 for Altivec modes before reload.
8819 (altivec_expand_vec_init_builtin): New.
8820 (get_element_number): New.
8821 (altivec_expand_vec_set_builtin): New.
8822 (altivec_expand_vec_ext_builtin): New.
8823 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8825 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8827 * config/rs6000/rs6000.h (rs6000_builtins): Add
8828 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8829 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8830 * config/rs6000/rs6000-protos.h: Declare new functions.
8832 2005-08-08 Jan Hubicka <jh@suse.cz>
8834 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8835 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8836 * i386.md (movdi*): Use pic_32bit_operand.
8837 * predicates.md (pic_32bit_operand): New.
8839 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
8842 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8844 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
8846 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8847 (test_for_singularity): Use fold_build2.
8849 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8851 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8853 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
8855 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8856 (COMMON_ASM_OP) Define.
8857 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8858 (ix86_encode_section_info): Likewise.
8859 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8860 SUBTARGET_ENCODE_SECTION_INFO.
8862 2005-08-06 Richard Henderson <rth@redhat.com>
8865 * tree-nested.c (convert_local_reference): Save and restore val_only
8866 around component_ref and friends. Clear walk_subtrees by default.
8868 2005-08-06 Peter O'Gorman <peter@pogma.com>
8871 * gcc.c (process_command): Check the argument to -b has a dash.
8872 * doc/invoke.texi: Update -b and -V docs.
8874 2005-08-06 James E Wilson <wilson@specifix.com>
8876 * config/mips/cross64.h, config/mips/t-cross64: Delete.
8878 2005-08-06 Michael Matz <matz@suse.de>
8880 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8881 member only if only one insn is associated with the value.
8883 2005-08-06 Nick Clifton <nickc@redhat.com>
8885 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8887 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8888 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8889 Check symbol flags instead of symbol name mangling.
8890 (xstormy16_asm_output_aligned_common): Likewise. Also
8891 simplify code since the bss100_section cass is the only case
8892 where the below100 code will be triggered.
8893 (xstormy16_encode_section_info): Encode below100 attribute
8894 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8896 (xstormy16_strip_name_encoding): Delete - this function is no
8898 (TARGET_STRIP_NAME_ENCODING): Undefine.
8899 * config/stormy16/stormy16-protos.h: Delete prototype for
8900 xstormy16_strip_name_encoding.
8902 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
8904 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8905 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8906 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8907 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8908 config/alpha/predicates.md, config/arc/arc.h,
8909 config/arm/arm.h, config/arm/ieee754-df.S,
8910 config/arm/ieee754-sf.S, config/bfin/bfin.c,
8911 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8912 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8913 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8914 config/m68hc11/m68hc11.h, config/mips/mips.c,
8915 config/mips/mips.h, config/mips/openbsd.h,
8916 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8917 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8918 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8919 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8920 config/sparc/linux.h, config/sparc/linux64.h,
8921 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8922 doc/extend.texi, doc/gcov.texi, doc/install.texi,
8923 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8924 typos. Follow spelling conventions.
8926 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
8929 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8930 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8931 specially. Check for side effects only for COND_EXPR.
8932 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8933 return with TREE_NO_WARNING.
8935 2005-08-06 Richard Sandiford <richard@codesourcery.com>
8937 PR rtl-optimization/23233
8938 * loop.c (combine_movables): Require the modes to be the same.
8939 (move_movables): Remove handling of cases where the replacement
8940 had a different mode to the original.
8942 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
8944 PR tree-optimization/23128
8945 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8946 subtraction wrap, and set TREE_OVERFLOW if they do.
8948 2005-08-05 Richard Henderson <rth@redhat.com>
8951 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8952 FORCED_LABEL labels.
8954 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
8957 * reload.c (find_reloads_subreg_address): Pass down TYPE
8958 unchanged. Change all callers except find_reloads_toplev.
8960 2005-08-05 Michael Matz <matz@suse.de>
8962 * genattrtab.c (current_alternative_string): Remove.
8963 (SIMPLIFY_ALTERNATIVE): Ditto.
8964 (attr_alt_bit_p): Ditto.
8965 (alternative_name): Make const char *.
8966 (evaluate_eq_attr): Remove use of above things.
8967 (simplify_test_exp): Ditto.
8968 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8969 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8971 2005-08-04 James E Wilson <wilson@specifix.com>
8973 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8974 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8975 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8976 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8977 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8979 2005-08-04 Richard Henderson <rth@redhat.com>
8982 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8983 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8984 * tree-sra.c (decide_block_copy): Use it. Disable element copy
8985 if we'd have to instantiate too many members.
8987 2005-08-04 Richard Henderson <rth@redhat.com>
8990 * tree-outof-ssa.c (coalesce_asm_operands): New.
8991 (coalesce_ssa_name): Use it. Split out ...
8992 (coalesce_phi_operands, coalesce_result_decls): ... these.
8994 2005-08-04 Paul Brook <paul@codesourcery.com>
8996 * read-rtl.c (read_quoted_string): Break if EOF.
8998 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
9000 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
9001 (fold_build2): Likewise.
9002 (fold_build3): Likewise.
9003 (fold_build1_stat): New function prototype.
9004 (fold_build2_stat): Likewise.
9005 (fold_build3_stat): Likewise.
9006 * fold-const.c (fold_build1): Rename to ..
9007 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
9008 through to build1_stat.
9009 (fold_build2): Rename to ..
9010 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
9011 through to build2_stat.
9012 (fold_build3): Rename to ..
9013 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
9014 through to build3_stat.
9016 2005-08-04 David Edelsohn <edelsohn@gnu.org>
9017 Ian Lance Taylor <ian@airs.com>
9019 * function.c (assign_stack_local_1): Do not correct stack slot
9020 address if allocation size is smaller than mode size.
9022 2005-08-04 Diego Novillo <dnovillo@redhat.com>
9025 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
9026 (tree_merge_blocks): Propagate anything allowed by
9028 Clarify documentation.
9029 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
9030 SSA form, schedule an update if necessary.
9032 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
9034 * doc/install.texi (Binaries): Remove broken link to
9035 Sinix/Reliant Unix binaries.
9037 2005-08-03 Richard Henderson <rth@redhat.com>
9040 * function.c (stack_protect_epilogue): Export.
9041 * tree.h (stack_protect_epilogue): Declare.
9042 * calls.c (expand_call): Call it.
9044 2005-08-03 Eric Christopher <echristo@apple.com>
9046 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
9047 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
9050 2005-08-04 Jan Hubicka <jh@suse.cz>
9052 * profile.c (branch_prob): Split edges with goto locus on them
9053 to get proper line counts.
9054 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
9056 2005-08-03 Paul Brook <paul@codesourcery.com>
9058 * function.c (assign_parms): Round current_function_args_size
9059 to PARM_BOUNDARY, not STACK_BOUNDARY.
9061 2005-08-03 Geoffrey Keating <geoffk@apple.com>
9063 * config/i386/i386.c (x86_elf_aligned_common)
9064 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
9066 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
9068 PR tree-optimization/23157
9069 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
9070 before emitting them.
9072 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9074 PR tree-optimization/19899
9075 * Makefile.in (tree-scalar-evolution.o): Add real.h.
9076 * tree-scalar-evolution.c: Include real.h.
9077 (add_to_evolution): Build constant -1 of correct type.
9079 2005-08-03 Jan Hubicka <jh@suse.cz>
9081 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
9082 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
9083 profile updating for complette unrolling.
9084 * loop-unroll.c (peel_loop_completely): Use it.
9085 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
9086 (tree_unroll_loops_completely): Disable code growing unrolling of cold
9089 2005-08-03 Paul Brook <paul@codesourcery.com>
9091 * combine.c (can_change_dest_mode): New function.
9092 (try_combine, simplify_set): Use it.
9094 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
9096 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
9099 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
9101 * doc/install.texi (Specific): Adjust link to openavr.org.
9102 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
9103 (Binaries): Adjust HP-UX Porting Center link.
9104 (Binaries): Adjust Free Software Foundation ordering link.
9106 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
9108 * convert.c (convert_to_integer): Use fold_build1 instead of
9109 build1 when converting an integer to an integer.
9111 2005-08-02 Richard Henderson <rth@redhat.com>
9113 * combine.c (combine_instructions): Don't use reg_equal/equiv
9114 results if the mode doesn't match.
9116 2005-08-02 Mark Mitchell <mark@codesourcery.com>
9118 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
9119 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
9121 2005-08-02 Richard Henderson <rth@redhat.com>
9124 * explow.c (memory_address): Remove special-case for
9125 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
9127 2005-08-02 Diego Novillo <dnovillo@redhat.com>
9130 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
9131 number of calls to cleanup_tree_cfg_1.
9133 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
9135 * doc/invoke.texi: document file extensions .F90 and .F95
9137 2005-08-02 Richard Guenther <rguenther@suse.de>
9139 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
9140 positive if its first argument is positive.
9142 2005-08-02 Richard Guenther <rguenther@suse.de>
9144 PR tree-optimization/23177
9145 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
9148 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
9150 PR tree-optimization/23129
9151 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
9152 varying for divisions with anti-ranges.
9154 2005-08-02 Jan Hubicka <jh@suse.cz>
9156 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
9157 * tree-ssa-threadupdate.c (thread_block): Add it here.
9159 2005-08-01 James E Wilson <wilson@specifix.com>
9161 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
9162 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
9163 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
9165 * config/mips/predicates.md (const_call_insn_operand): Add check for
9166 SYMBOL_REF_LONG_CALL_P.
9167 * doc/extend.texi (long_call): Document the new attribute.
9169 2005-08-01 Ian Lance Taylor <ian@airs.com>
9170 Richard Henderson <rth@redhat.com>
9172 * Makefile.in (RTL_BASE_H): Add real.h.
9173 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
9175 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
9177 * rtl.c (rtl_check_failed_code_mode): New.
9178 * rtl.h (struct rtx_def): Add u.rv.
9179 (XCMWINT, XCNMPRV): New.
9180 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
9181 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
9183 2005-08-01 Richard Henderson <rth@redhat.com>
9185 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
9186 with auto-inc codes.
9188 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
9190 2005-08-01 Jan Hubicka <jh@suse.cz>
9192 * i386-protos.h (asm_preferred_eh_data_format): Declare.
9193 * i386.c: Include dwarf2.h
9194 (asm_preferred_eh_data_format): New.
9195 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
9197 2005-08-01 Ian Lance Taylor <ian@airs.com>
9199 * config/host-linux.c (linux_gt_pch_get_address): Add new name
9200 randomize_va_space for virtual address randomization control.
9202 2005-08-01 Steven Bosscher <stevenb@suse.de>
9204 * common.opt (flag_ipa_cp): Put in right place to maintain
9207 2005-08-01 Jan Hubicka <jh@suse.cz>
9209 * profile.c (compute_value_histograms): Fix thinko.
9210 * value-prof.c: Include toplev.h
9211 (check_counter): New function.
9212 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
9213 tree_mod_subtract_transform): Add sanity check.
9215 2005-08-01 Richard Guenther <rguenther@suse.de>
9217 PR tree-optimization/23133
9218 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
9219 current functions parameter decls to find defs to cse
9222 2005-08-01 Richard Guenther <rguenther@suse.de>
9224 PR tree-optimization/23109
9225 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
9226 If trapping math is in effect, use post-dominator information
9227 to check if we'd in any case reach a trapping point before
9228 doing the reciprocal insertion.
9229 (execute_cse_reciprocals): Compute post-dominators, if necessary.
9230 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
9231 expressions are invariant only if trapping math is not in effect.
9233 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
9235 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
9236 cgraph_function_versioning): New declarations.
9237 * cgraphunit.c: Add include to ipa-prop.h.
9238 (update_call_expr, cgraph_copy_node_for_versioning,
9239 cgraph_function_versioning): New functions.
9240 * integrate.c (copy_decl_for_inlining): Remove.
9241 * ipa-prop.h (ipa_replace_map): New struct.
9242 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
9243 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
9244 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
9245 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
9246 ipcp_iterate_stage, ipcp_method_scale_print,
9247 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
9248 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
9249 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
9250 ipcp_update_bb_counts, ipcp_update_profiling,
9251 ipcp_update_edges_counts): New functions.
9252 (ipcp_method_cval_init): Remove restriction regarding local methods.
9253 (ipcp_init_stage): Add ipcp_method_compute_scale.
9254 (ipcp_insert_stage): Add versioning.
9255 (ipcp_structures_print): Add ipcp_method_scale_print.
9256 (ipcp_driver): Dump profiling info.
9257 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
9258 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
9259 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
9260 (struct inline_data): Add versioning_p, ipa_info, new fields.
9261 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
9262 declare_return_variable): Replace calls to copy_decl_for_inlining with
9264 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
9266 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
9267 Add argument VERSIONING.
9268 (copy_arguments_for_versioning, copy_static_chain,
9269 function_versionable_p, tree_versionable_function_p,
9270 tree_function_versioning, replace_ref_tree): New functions.
9271 * tree-inline.h: Include varray.h.
9272 (tree_versionable_function_p, tree_function_versioning,
9273 tree copy_decl_for_dup): New declarations.
9275 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
9277 * ipa-cp.c: New file. Contains IPCP specific functionality.
9278 * ipa-prop.h: New file. Contains structures/definitions that can be
9279 used by several interprocedural data flow optimizations (and also IPCP).
9280 * ipa-prop.c: New file.
9281 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
9282 * common.opt: Add ipa-cp flag.
9283 * timevar.def: Add IPCP optimization.
9284 * tree-optimize.c (init_tree_optimization_passes): Schedule
9286 * tree-pass.h (pass_ipa_cp): Declare.
9288 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
9290 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
9291 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
9292 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
9293 config/i386/i386.c, config/mips/mips.h,
9294 config/rs6000/rs6000.h, config/sh/sh.c,
9295 config/stormy16/stormy16.c: Fix comment typos.
9297 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
9300 * c-typeck.c (build_binary_op): Use common_type wrapper on
9302 (common_type): Update comment.
9304 2005-07-31 Steven Bosscher <stevenb@suse.de>
9307 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
9308 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
9309 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
9311 2005-07-31 Jan Hubicka <jh@suse.cz>
9313 * pretty-print.h (pp_widest_integer): New macro.
9314 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
9317 2005-07-31 Jan Hubicka <jh@suse.cz>
9319 * output.h (enum section_category): Export from varasm.c
9320 (categorize_decl_for_section): Likewise.
9321 * varasm.c (enum section_category): Kill.
9322 (categorize_decl_for_section): Make global.
9323 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
9325 * i386.c (ix86_section_threshold): New static variable.
9326 (ix86_in_large_data_p, ix86_encode_section_info,
9327 x86_64_elf_unique_section,
9328 x86_64_elf_select_section): New functions.
9329 (TARGET_ENCODE_SECTION_INFO): Define
9330 (override_options): Enable medium model for PIC.
9331 (ix86_expand_prologue): Expand gen_set_got_rex64.
9332 (legitimate_constant_p): Handle new UNSPECs.
9333 (legitimate_pic_address_disp_p): Likewise.
9334 (legitimize_pic_address): Lower MEDIUM model addressing.
9335 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
9336 (enum cmodel): Add MEDIUM_PIC.
9337 (SYMBOL_REF_FAR_ADDR_P): New macro.
9338 (SYMBOL_FLAG_FAR_ADDR): New flag.
9339 * i386.md (movdi): Support medium model.
9340 (set_got_rex64): New pattern.
9341 * i386.opt (mlarge-data-threshold): New flag.
9342 * predicates.md (zext_operand/sext_operand): Deal with medium model.
9343 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
9344 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
9345 TARGET_ASM_UNIQUE_SECTION): New.
9347 * invoke.texi (-mlarge_data_threshold): Document
9349 2005-07-31 Jan Hubicka <jh@suse.cz>
9351 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
9352 (coalesce_vars): Likewise.
9353 * tree-ssa-live.c (coalesce_cost): New.
9354 (build_tree_conflict_graph): Use coalesce_cost.
9355 * tree-ssa-live.h (coalesce_cost): Declare.
9357 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
9359 * arm.md (all peepholes for post-increment operations): Delete.
9360 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
9361 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
9362 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
9363 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
9364 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
9366 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
9368 * fold-const.c (tree_expr_nonnegative_p): Always return true for
9371 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
9374 * doc/invoke.texi: Document -rdynamic.
9376 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
9379 * c-parser.c (c_parser_parms_list_declarator): Call
9380 mark_forward_parm_decls.
9381 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
9382 decls with visibility structure.
9384 2005-07-30 Paul Brook <paul@codesourcery.com>
9386 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
9388 2005-07-30 Paul Brook <paul@codesourcery.com>
9390 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
9392 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
9394 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
9396 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9399 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
9400 nested function declarators.
9401 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
9402 (grokparms): Call warn_if_shadowing for parameters used within the
9404 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
9405 not used within the parameter list.
9406 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
9408 2005-07-30 Jan Hubicka <jh@suse.cz>
9410 * expr.c (expand_expr_real_1): Do not load mem targets into register.
9411 * i386.c (ix86_fixup_binary_operands): Likewise.
9412 (ix86_expand_unary_operator): Likewise.
9413 (ix86_expand_fp_absneg_operator): Likewise.
9414 * optabs.c (expand_vec_cond_expr): Validate dest.
9416 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9419 * real.c (real_from_string): Also set last bit if there is a
9420 nonzero hex digit beyond GCC's internal precision after ".".
9422 2005-07-29 David Edelsohn <edelsohn@gnu.org>
9424 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
9425 define_constants. Change duplicate values to unassigned numbers.
9426 Change UNSPEC_SUBS to UNSPEC_VSUBS.
9427 (*altivec_vspltsf): New.
9428 (altivec_vperm_v4sf): Delete.
9429 (altivec_vperm_<mode>): Use mode macro V.
9430 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
9431 (altivec_predicate_v4sf): Delete.
9432 (altivec_predicate_<mode>): Use mode macro V.
9433 (*altivec_lvesfx): New.
9434 (*altivec_stvesfx): New.
9435 (vec_realign_load_v4sf): Delete.
9436 (vec_realign_load_<mode>): Use mode macro V.
9437 * config/rs6000/rs6000.c (generate_set_vrsave): Use
9440 2005-07-29 Mark Mitchell <mark@codesourcery.com>
9443 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
9445 * configure: Regenerated.
9447 2005-07-29 Paul Brook <paul@codesourcery.com>
9449 * doc/install.texi: Add link to GFortran binaries wiki page.
9451 2005-07-29 David Ung <davidu@mips.com>
9453 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
9454 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
9455 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
9456 * config/mips/mips.md (cpu): Add 5kf name.
9457 (includes): Includes 5k.md.
9458 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
9459 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
9462 2005-07-29 Diego Novillo <dnovillo@redhat.com>
9465 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
9466 (cleanup_tree_cfg): ... here.
9467 Call cleanup_tree_cfg_1 until there are no more cleanups to
9470 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
9472 * tree-vrp.c (compare_range_with_value): Return true or false
9473 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
9474 EQ_EXPR respectively.
9476 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
9478 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
9481 2005-07-29 Diego Novillo <dnovillo@redhat.com>
9483 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
9484 (tree_ssa_dominator_optimize): Increment it.
9485 (dump_dominator_optimization_stats): Print it.
9487 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
9488 Steven Bosscher <stevenb@suse.de>
9490 PR rtl-optimization/23117
9491 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
9492 when head == tail. Tidy comment.
9494 2005-07-28 Richard Henderson <rth@redhat.com>
9496 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
9497 * cselib.c (rtx_equal_for_cselib_p): Likewise.
9498 * jump.c (rtx_renumbered_equal_p): Likewise.
9499 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
9500 CONST_INT and CONST_DOUBLE.
9501 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
9502 * reload.c (operands_match_p): Special case CONST_INT and
9503 CONST_DOUBLE; check mode earlier.
9505 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9508 * c-typeck.c (convert_for_assignment): Do not check
9509 DECL_IN_SYSTEM_HEADER on NULL fundecl.
9511 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9514 * c-typeck.c (composite_type): Prefer constant size arrays to
9517 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9520 * real.c (real_from_string): Set last bit if there is a nonzero
9521 hex digit beyond GCC's internal precision.
9523 2005-07-28 Richard Henderson <rth@redhat.com>
9526 * cfgcleanup.c (try_forward_edges): Watch out for end of
9529 2005-07-28 James E Wilson <wilson@specifixinc.com>
9532 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
9534 2005-07-28 Jan Hubicka <jh@suse.cz>
9536 * Makefile.in (rtl-profile.o): Kill all traces of it.
9537 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
9538 * coverage.h (rtl_coverage_counter_ref): Kill.
9539 * opts.c (flag_speculative_prefetching_set): Kill.
9540 (flag_loop_optimize_set): New.
9541 (common_handle_option): Disable loop optimizer when profiling;
9542 do not handle speculative prefetching.
9543 * passes.c (init_optimization_passes): Replace pass_profiling combo
9544 by branch_prob pass.
9545 * profile.c (compute_value_histograms): Update for simplified value
9547 (rtl_register_profile_hooks): Kill.
9548 (pass_profiling): Kill.
9549 (rest_of_handle_branch_prob): Do not profile.
9550 * toplev.c (process_options): Remove speculative prefetching.
9551 * toplev.h (flag_tree_based_profiling): Kill.
9552 * tree-profile.c (prepare_instrumented_value,
9553 tree_gen_interval_profiler, tree_gen_pow2_profiler,
9554 tree_gen_one_value_profiler, do_tree_profiling): Update for
9555 simplified datastructures.
9556 * value-prof.c: Add comment that speculative prefetching was dropped;
9557 update rest of file for simplified datastructures.
9558 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9559 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9560 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9561 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9562 rtl_mod_subtract, gen_speculative_prefetch,
9563 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9564 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9565 (gate_handle_value_profile_transformations,
9566 rest_of_handle_value_profile_transformations,
9567 pass_value_profile_transformations): Kill.
9568 * value-prof.h (histogram_value_t): Remove IL based unions.
9569 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9570 rtl_profile_hooks): Remove hooks.
9572 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9574 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9575 (cgraph_clone_node): Likewise.
9576 * cgraph.h (cgraph_clone_edge): Update prototype.
9577 (cgraph_clone_node): Likewise.
9578 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9580 (lookup_recursive_calls): Consider profile.
9581 (cgraph_decide_recursive_inlining): Fix updating; use new
9582 probability argument; use profile.
9583 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9584 * tree-inline.c (copy_bb): Update clal of clone_edge.
9585 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9587 * invoke.texi (min-inline-recursive-probability): Document.
9589 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
9591 * doc/install.texi (Configuration): Update Valgrind homepage.
9593 2005-07-28 Richard Henderson <rth@redhat.com>
9596 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9597 labels we want to delete.
9598 (cfg_layout_merge_blocks): Likewise.
9600 2005-07-28 Richard Henderson <rth@redhat.com>
9603 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9604 when expanding to nothing.
9606 2005-07-28 Josh Conner <jconner@apple.com>
9608 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9609 (cgraph_decide_inlining_of_small_functions): Likewise.
9611 2005-07-28 Josh Conner <jconner@apple.com>
9613 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
9614 direction of badness if negative.
9615 (cgraph_default_inline_p): Add reason to parameters, and assign it
9617 (cgraph_decide_inlining_of_small_functions): New parameter in call
9618 to cgraph_default_inline_p.
9619 (cgraph_decide_inlining_incrementally): Likewise.
9620 * cgraphunit.c (decide_is_function_needed): Likewise.
9621 * cgraph.h (cgraph_default_inline_p): Likewise.
9623 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9625 * builtins.c: Fix comment typo(s).
9626 * genautomata.c: Likewise.
9627 * gimplify.c: Likewise.
9628 * tree-dfa.c: Likewise.
9629 * tree-flow-inline.h: Likewise.
9630 * tree-into-ssa.c: Likewise.
9631 * tree-ssa-alias.c: Likewise.
9632 * tree-ssa-ccp.c: Likewise.
9633 * tree-ssa-copy.c: Likewise.
9634 * tree-ssa-dce.c: Likewise.
9635 * tree-ssa-dom.c: Likewise.
9636 * tree-ssa-operands.c: Likewise.
9637 * tree-tailcall.c: Likewise.
9638 * tree-vectorizer.c: Likewise.
9639 * tree-vrp.c: Likewise.
9642 2005-07-28 Jeff Law <law@redhat.com>
9644 * tree-vrp.c (test_for_singularity): Extracted from ...
9645 (simplify_cond_using_ranges): Attempt to simplify a relational
9646 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
9648 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
9650 PR tree-optimization/22506
9651 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9652 phis whose argument is constant.
9654 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
9656 PR rtl-optimization/18992
9657 Back out this patch:
9658 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9659 PR optimization/12142
9660 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9661 uses of the register in the SET_SRC. Remove unnecessary argument.
9663 Replace it with this:
9664 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9665 if flag_non_call_exceptions is set and the insn may trap, pass
9666 pc_rtx as dest for recursion.
9667 In SET_SRC part of SET case, if dest is already set, pass it down
9670 2005-07-28 Jan Hubicka <jh@suse.cz>
9672 * cfg.c (update_bb_profile_for_threading): Use RDIV.
9673 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9674 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9676 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9677 profile when available.
9679 2005-07-28 Jan Beulich <jbeulich@novell.com>
9681 * config/ia64/ia64.c (ia64_load_pair_ok): New.
9682 (ia64_print_operand): Describe and handle 'X'.
9683 (ia64_register_move_cost): Also handle FP_REGS.
9684 (ia64_preferred_reload_class): Likewise.
9685 (ia64_secondary_reload_class): Likewise.
9686 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9687 it. Also check for ITANIUM_CLASS_FLDP.
9688 * config/ia64/ia64.h (FP_REGNO_P): New.
9689 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9690 (reg_class): Add FP_REGS.
9691 (REG_CLASS_NAMES): Adjust for it.
9692 (REG_CLASS_CONTENTS): Likewise.
9693 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9694 (REG_CLASS_FROM_LETTER): Handle 'x'.
9695 (CLASS_MAX_NREGS): Handle FP_REGS.
9696 (MEMORY_MOVE_COST): Likewise.
9697 * config/ia64/ia64.md (itanium_class): Add fldp.
9698 (type): Handle fldp.
9699 (movti_internal): More allowable operand combinations. Use ldfp8 when
9700 splitting unnecessary. Remove predicable attribute. Adjust
9701 itanium_class attribute.
9702 (smuldi3_highpart): Remove outdated comment.
9703 (mulditi3, umulditi3, rotlti3): New expanders.
9704 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9705 (absti2): Disabled new insn for future reference.
9706 Respective new splitters.
9707 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9708 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9709 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9711 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
9713 PR rtl-optimization/23047
9714 * simplify-rtx.c (simplify_const_relational_operation): Respect
9715 flag_wrapv for comparisons with ABS.
9717 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
9719 PR tree-optimization/22493
9720 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9721 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9723 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
9725 * config/frv/frv.opt (moptimize-membar): New.
9727 * doc/invoke.texi: Document -moptimize-membar and its inverse.
9729 * config/frv/frv.h: Remove machine_function definition.
9731 * config/frv/frv.c (struct frv_io): New.
9732 (struct machine_function): Moved from frv.h. Add has_membar_p.
9733 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9734 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9735 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9736 (frv_optimize_membar_global, frv_optimize_membar): New functions.
9737 (frv_reorg): Call frv_optimize_membar when appropriate.
9738 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9739 (frv_expand_builtin): Adjust calls accordingly.
9740 (frv_io_address_cookie): New function.
9741 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9742 load or store rather than a special insn. Add ccnstant address and
9743 io-type operands to the membar.
9744 (frv_ifcvt_modify_tests): Unsign regno.
9745 (frv_ifcvt_modify_tests): Same.
9747 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
9748 UNSPEC_OPTIONAL_MEMBAR constant.
9749 (builtin_read_<mode>): Delete.
9750 (builtin_write_<mode>): Delete.
9751 ("optional_membar_<mode>"): Add operand.
9753 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9754 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9755 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9756 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9757 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9758 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9759 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9760 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9761 * testsuite/gcc.target/frv/all-read-write-1.c: New.
9763 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
9765 * df.c (df_uses_record): Handle SCRATCH.
9767 2005-07-28 Steven Bosscher <stevenb@suse.de>
9770 * passes.c (rest_of_decl_compilation): If decl is a type and
9771 we have encountered errors, don't emit debug information.
9773 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9775 * params.def: Fixed comment.
9777 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
9780 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9781 (TARGET_ASM_UNALIGNED_HI_OP): Add.
9782 (TARGET_ASM_UNALIGNED_SI_OP): Add.
9784 2005-07-27 Steven Bosscher <stevenb@suse.de>
9787 * varasm.c (assemble_start_function): Don't do anything that may
9788 require a CFG if the current function is a thunk.
9790 2005-07-25 Geoffrey Keating <geoffk@apple.com>
9792 * doc/install.texi (Prerequisites): Mention that perl is needed
9793 to do export control in libstdc++ targetting Darwin.
9795 2005-07-27 Steven Bosscher <stevenb@suse.de>
9797 PR rtl-optimization/17808
9798 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9799 (sched_insns_conditions_mutex_p): Split out from...
9800 (add_dependence): ...here. But don't call it from here.
9801 (add_dependence_list): Check sched_insns_conditions_mutex_p
9802 before calling add_dependence.
9803 (add_dependence_list_and_free): Likewise.
9804 (fixup_sched_groups): Likewise.
9805 (sched_analyze_1): Likewise.
9806 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9807 (sched_analyze): Likewise.
9808 (sched_analyze_insn): Likewise.
9809 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9810 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
9811 dependencies on all COND_EXEC insns to jumps ending basic blocks
9812 when doing intrablock scheduling.
9813 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9815 2005-07-27 Jeff Law <law@redhat.com>
9817 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9818 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
9819 equivalency sets, correctly handle the case were vr0 has an
9820 equivalency set, but vr1 does not.
9822 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
9824 PR tree-optimization/23073
9825 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9826 vect_print_dump_info before fprintf.
9828 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9830 PR tree-optimize/22348
9831 * tree-ssa-loop-niter.c (number_of_iterations_cond):
9832 Fold the partial computation.
9834 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9836 PR tree-optimization/22325
9837 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9839 * tree-scalar-evolution.c (scev_const_prop): Add generic final
9841 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9842 (force_var_cost): ... this function.
9843 (compute_phi_arg_on_exit): Export.
9845 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9847 PR tree-optimization/20773
9848 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9851 2005-07-27 Richard Guenther <rguenther@suse.de>
9853 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9854 Avoid pushing again if current struct contains only
9855 fields we decomposed.
9857 2005-07-27 Jan Hubicka <jh@suse.cz>
9859 PR tree-optimization/22574
9860 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9863 * tree-tailcall.c (decrease_profile): New function.
9864 (eliminate_tail_call): Use it.
9866 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9867 visibility flags correctly in whole program mode.
9869 2005-07-26 Steve Ellcey <sje@cup.hp.com>
9871 PR rtl-optimization/22472
9872 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9874 2005-07-26 Steven Bosscher <stevenb@suse.de>
9876 PR tree-optimization/22504
9877 * tree-complex.c (expand_complex_addition): Use 'code' instead
9878 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9880 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9882 * config.gcc (cpu_type): Add frv case.
9883 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9884 (supported_defaults): Add fr550 case.
9886 2005-07-26 Diego Novillo <dnovillo@redhat.com>
9889 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9890 whether a pointer of type T * may point to objects of type T *.
9892 2005-07-26 DJ Delorie <dj@redhat.com>
9894 * configure: Regenerate.
9896 2005-07-26 Dale Johannesen <dalej@apple.com>
9898 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
9900 2005-07-26 Mark Mitchell <mark@codesourcery.com>
9902 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9903 Clarify use of "build" in name.
9905 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9907 * doc/extend.texi (Raw read/write Functions): New section.
9908 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9909 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9910 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9911 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9912 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9913 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9914 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9915 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9916 * config/frv/frv.c: Add bdesc_loads global.
9917 Add bdesc_stores global.
9918 (frv_init_builtins): Add support for __builtin_{read/write}*.
9919 (frv_volatile_memref): New.
9920 (frv_expand_load_builtin): New.
9921 (frv_expand_store_builtin): New.
9922 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9923 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9924 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9925 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9926 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9927 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9928 (builtin_read_<mode>): New.
9929 (builtin_write_<mode>): New.
9930 (builtin_write64): New.
9931 (optional_membar_<mode>): New.
9933 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
9935 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9936 (rather than units) against HOST_BITS_PER_WIDE_INT.
9938 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
9940 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9941 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9942 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9943 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9946 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9947 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9948 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9950 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9952 2005-07-26 Richard Guenther <rguenther@suse.de>
9954 PR tree-optimization/22486
9955 * fold-const.c (fold_unary): Fold away useless component
9956 references of the form (T *)&T.x, if the address
9959 2005-07-25 James E Wilson <wilson@specifixinc.com>
9961 * dwarf2out.c (add_call_src_coords_attributes): New.
9962 (gen_inlined_subroutine_die): Call it.
9963 (maybe_emit_file, init_file_table): Add comments.
9964 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9966 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9967 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9968 * tree.h (BLOCK_SOURCE_LOCATION): New.
9969 (struct tree_block): New field locus.
9971 2005-07-26 Andreas Schwab <schwab@suse.de>
9973 PR rtl-optimization/23043
9974 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9975 when allocating a struct unoccr.
9977 2005-07-25 Richard Henderson <rth@redhat.com>
9980 * tree-complex.c (gate_no_optimization): True if errors.
9981 * Makefile.in (tree-complex.o): Update dependencies.
9983 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
9985 * config/frv/predicates.md (integer_register_operand): Use
9988 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9991 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9993 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9995 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9997 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9998 types when flag_unsafe_math_optimizations is true.
10000 2005-07-25 Mark Mitchell <mark@codesourcery.com>
10002 * gcc.c (option_map): Add --sysroot.
10003 (process_command): Handle --sysroot.
10004 (display_help): Document it.
10005 * doc/cppopts.tex (-isysroot): Document.
10006 * doc/invoke.texi (--sysroot): Document.
10007 * doc/install.texi (--with-build-sysroot): Document.
10009 * Makefile.in (inhibit_libc): New variable.
10010 (INHIBIT_LIBC_CFLAGS): Likewise.
10011 (LIBGCC2_CFLAGS): Include
10012 $(INHIBIT_LIBC_CFLAGS).
10013 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
10014 ($(T)crtbegin.o): Do not use @inhibit_libc@.
10015 ($(T)crtend.o): Likewise.
10016 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
10017 ($(T)crtendS.o): Likewise.
10018 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
10019 ($(T)crtendT.o): Likewise.
10020 (stmp-fixinc): Do not complain about missing headers if
10022 * configure.ac (inhibit_libc): Set it to true/false.
10023 (--with-build-sysroot): New option. Use it to set
10025 * configure: Regenerated.
10027 2005-07-25 Manfred Hollstein <mh@suse.com>
10029 * calls.c (store_one_arg): Fix unsigned comparison warning.
10031 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
10034 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
10035 (ggc_print_statistics): Initialize variable before use.
10037 2005-07-25 Richard Guenther <rguenther@suse.de>
10039 * tree-dfa.c (mark_new_vars_to_rename): Protect against
10040 calling with a PHI_NODE argument.
10042 * tree-flow-inline.h (overlap_subvar): Protect against
10045 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
10047 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
10048 * configure: Regenerate.
10050 2005-07-25 Ira Rosen <irar@il.ibm.com>
10052 * expr.c (highest_pow2_factor): Make extern.
10053 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
10054 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
10055 record_array_differ_p, array_ptr_differ_p): Likewise.
10056 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
10057 additional cases. Call the above functions.
10058 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
10059 base_object_differ_p when there are two base objects. Otherwise, compare
10060 base address and offset. Call may_alias_p.
10061 (dump_data_reference): Use a correct field name.
10062 (analyze_array): Make static. Initialize new data-ref fields.
10063 (analyze_indirect_ref): New function.
10064 (init_data_ref): Initialize new data-ref fields.
10065 (strip_conversion): Moved from tree-vect-analyze.c.
10066 (analyze_offset_expr, get_ptr_offset, address_analysis,
10067 object_analysis): Likewise.
10068 (analyze_offset): New function.
10069 (create_data_ref): Likewise.
10070 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
10071 dimensions for ARRAY_REFs only.
10072 (build_classic_dist_vector): Make static.
10073 (access_functions_are_affine_or_constant_p): Call macro to get the
10074 address of access functions.
10075 (compute_all_dependences): Add new parameter
10076 compute_self_and_read_read_dependences. Compute self and read-read
10077 dependences if it is true.
10078 (find_data_references_in_loop): Call create_data_ref. Initialize new
10080 (compute_data_dependences_for_loop): Add new parameter
10081 compute_self_and_read_read_dependences. Remove parameter nb_loops,
10082 compute nb_loops. Call compute_all_dependences,
10083 build_classic_dist_vector and build_classic_dir_vector with correct
10085 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
10086 with correct parameters. Compare dimensions for ARRAY_REFs only.
10087 (free_data_refs): Call macro to free access functions.
10088 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
10089 fields from stmt_vinfo.
10090 (struct base_object_info): New structure.
10091 (struct data_reference): Move fields to base_object_info. Add fields
10092 first_location and object_info for above structures. Move fields from
10093 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
10094 aligned_to. Add macros to access the new fields.
10095 Update functions declarations.
10096 * tree-flow.h (is_aliased_with): Declare.
10097 * tree-loop-linear.c (linear_transform_loops): Call
10098 compute_data_dependences_for_loop with correct parameters.
10099 * tree-ssa-alias.c (is_aliased_with): New function.
10100 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
10101 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
10102 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
10103 vect_base_addr_differ_p, compute_subscript_distance and
10104 build_classic_dist_vector. Add printings. Check absolute value of
10106 (vect_analyze_data_ref_dependences): Go through ddrs instead of
10108 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
10109 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
10110 to bytes. Add printing.
10111 (vect_compute_data_refs_alignment): Go through loads and stores in one
10113 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
10114 vect_analyze_data_ref_access): Likewise.
10115 (vect_analyze_pointer_ref_access): Remove.
10116 (vect_address_analysis, vect_object_analysis): Likewise.
10117 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
10118 and analyze data-refs in the loop.
10119 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
10120 fields of data-ref instead of stmt. Add init to the offset from the
10122 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
10123 (vect_update_init_of_dr): Likewise.
10124 (vect_update_inits_of_drs): Go through loads and stores in one loop.
10125 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
10127 (new_loop_vec_info): Initialize new fields.
10128 (destroy_loop_vec_info): Free new fields.
10129 (vect_strip_conversion): Remove.
10130 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
10131 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
10132 datarefs. Add new field ddrs.
10133 Add macros for the new fields access.
10134 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
10135 base_aligned_p, misalignment, memtag, ptr_info and subvars.
10136 Remove their macros.
10137 * tree.h (highest_pow2_factor): Declare.
10139 2005-07-25 Jakub Jelinek <jakub@redhat.com>
10141 * calls.c (store_one_arg): Check for sibling call MEM arguments
10142 from already clobbered incoming argument area.
10144 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10146 * c-common.c (check_missing_format_attribute): New.
10147 * c-common.h (check_missing_format_attribute): Likewise.
10148 * c-typeck.c (convert_for_assignment): Use it.
10150 2005-07-24 Andreas Schwab <schwab@suse.de>
10152 * config/m68k/m68k.md ("extendqidi2"): When source is an address
10153 register use a word move. Correct operand of ext.w in 68000 code.
10155 2005-07-23 Mark Mitchell <mark@codesourcery.com>
10157 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
10158 variables as declarations, rather than definitions.
10160 2005-07-24 Ira Rosen <irar@il.ibm.com>
10162 PR tree-optimization/22526
10163 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
10166 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10168 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
10169 that C99 reserve for future use. Use it to define clog10,
10170 clog10f and clog10l.
10172 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10174 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
10175 * configure.ac: Check for -Wmissing-format-attribute.
10177 * configure: Regenerate.
10179 2005-07-23 Richard Henderson <rth@redhat.com>
10181 PR tree-optimization/22623
10182 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
10184 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
10187 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
10189 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10191 * Makefile.in (C_TREE_H): Update dependencies.
10192 * c-tree.h: Include toplev.h.
10193 * diagnostic.h (diagnostic_set_info): Add format attribute.
10194 * rtl-error.c (diagnostic_for_asm): Likewise.
10196 2005-07-23 Chao-ying Fu <fu@mips.com>
10198 * config/mips/mips-dsp.md: New file.
10199 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
10200 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
10202 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
10203 MIPS_BUILTIN_BPOSGE32.
10204 (mips_expand_builtin_direct): Add one parameter to indicate that
10205 builtin functions need to return a value.
10206 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
10208 (mips_regno_to_class): Add classes for 12 new DSP registers.
10209 (mips_subword): Change to check four HI registers.
10210 (mips_output_move): Output move to and from 6 new DSP accumulators.
10211 (override_options): Make sure -mdsp and -mips16 are not used together.
10212 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
10214 (mips_conditional_register_usage): Disable 6 new DSP accumulators
10216 (print_operand): Add 'q' for printing DSP accumulators.
10217 (mips_cannot_change_mode_class): Check ACC_REGS.
10218 (mips_secondary_reload_class): Check ACC_REGS.
10219 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
10220 (mips_register_move_cost): Check ACC_REGS.
10221 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
10222 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
10223 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
10224 (dsp_bdesc): New array.
10225 (bdesc_arrays): Add DSP builtin function table.
10226 (mips_prepare_builtin_arg): Check predicate again after
10228 (mips_expand_builtin): Add one more parameter to
10229 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
10230 MIPS_BUILTIN_BPOSGE32.
10231 (mips_init_builtins): Initialize new function types.
10232 (mips_expand_builtin_direct): Check if builtin functions need to
10233 return a value and pass operands properly.
10234 (mips_expand_builtin_bposge): New function.
10235 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
10236 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
10237 (FIRST_PSEUDO_REGISTER): Increase to 188.
10238 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
10239 Update for 12 new DSP registers.
10240 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
10241 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
10242 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
10243 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
10244 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
10245 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
10246 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
10247 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
10248 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
10249 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
10250 (REGISTER_NAMES): Add names for 12 new DSP registers.
10251 * config/mips/mips.md: Include mips-dsp.md.
10252 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
10253 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
10254 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
10255 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
10256 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
10257 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
10258 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
10259 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
10260 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
10261 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
10262 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
10263 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
10264 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
10265 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
10266 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
10267 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
10268 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
10269 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
10270 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
10271 (UNSPEC_RDDSP): New constants.
10272 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
10273 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
10275 * config/mips/mips.opt (-mdsp): New option.
10276 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
10277 (reg_imm10_operand): New predicates.
10278 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
10279 * doc/invoke.texi (-mdsp): Document new option.
10281 2005-07-22 DJ Delorie <dj@redhat.com>
10283 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
10285 * tree-inline.c (inlinable_function_p): Likewise.
10287 2005-07-22 Mark Mitchell <mark@codesourcery.com>
10290 * toplev.c (check_global_declarations): Do not mark undefined
10291 variables as DECL_IGNORED_P.
10292 * varasm.c (first_global_object_name): GTY it.
10293 (weak_global_object_name): Likewise.
10294 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
10295 a string to go into {weak,first}_global_object_name.
10297 2005-07-22 DJ Delorie <dj@redhat.com>
10299 * c-format.c (check_function_format): Change warning control
10300 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
10302 2005-07-22 Diego Novillo <dnovillo@redhat.com>
10304 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
10305 &PTR->FLD a dereference of PTR.
10306 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
10307 a potential dereference of PTR.
10309 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
10311 PR rtl-optimization/20370
10312 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
10313 call allocate_reg_info if necessary.
10315 PR rtl-optimization/21848
10316 * calls.c (emit_library_call_value_1): For const functions, add
10317 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
10319 PR rtl-optimization/22445
10320 * cselib.c (target.h): Include.
10321 (rtx_equal_for_cselib_p): Allow commutative matches.
10322 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
10323 Remove MODE parameter. Changed all callers.
10325 PR rtl-optimization/22258
10326 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
10328 (try_combine): Use likely_spilled_retval_p.
10330 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
10332 * config.gcc: Add crx-elf support.
10334 * doc/contrib.texi: Mention crx.
10335 * doc/extend.texi: Document crx extensions.
10336 * doc/install.texi: Document crx install.
10337 * doc/invoke.texi: Document crx options.
10338 * doc/md.texi: Document crx constraints.
10340 * config/crx/crx-protos.h: New file.
10341 * config/crx/crx.c: New file.
10342 * config/crx/crx.h: New file.
10343 * config/crx/crx.md: New file.
10344 * config/crx/crx.opt: New file.
10345 * config/crx/t-crx: New file.
10347 2005-07-22 Manfred Hollstein <mh@suse.com>
10349 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
10351 (int_add_graph_edge): Likewise.
10352 (collapse_nodes): Likewise.
10353 (process_unification_queue): Likewise.
10355 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10356 Laurent GUERBY <laurent@guerby.net>
10358 PR tree-optimization/22336
10359 * function.c (record_block_change): Check for
10360 cfun->ib_boundaries_block.
10362 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
10364 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
10365 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
10367 2005-07-21 DJ Delorie <dj@redhat.com>
10369 * toplev.c (warn_deprecated_use): Add warning control to warning
10371 * c-typeck.c (parser_build_binary_op): Likewise.
10372 (c_finish_if_stmt): Likewise.
10373 * c-common.c (check_function_sentinel): Likewise.
10374 (check_nonnull_arg): Likewise.
10376 2005-07-21 Richard Henderson <rth@redhat.com>
10379 * tree-complex.c (complex_ssa_name_components): New.
10380 (cvc_lookup): Allow entry not found.
10381 (create_components): Remove.
10382 (create_one_component_var, get_component_var): New.
10383 (get_component_ssa_name, set_component_ssa_name): New.
10384 (extract_component): Use get_component_ssa_name.
10385 (update_complex_components): Use set_component_ssa_name.
10386 (update_complex_components_on_edge): Likewise.
10387 (update_phi_components): Create new PHI nodes directly, instead
10388 of adding insns to edges.
10389 (tree_lower_complex): Allocate and free complex_variable_components
10390 and complex_ssa_name_components here.
10392 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
10394 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
10395 revert to returning false.
10397 2005-07-21 Uros Bizjak <uros@kss-loka.si>
10400 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
10402 2005-07-21 Uros Bizjak <uros@kss-loka.si>
10405 * config/i386/i386.md (cmpxf): Change operand constraints
10406 to "nonmemory_operand".
10408 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10410 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
10412 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10414 PR middle-end/21180
10415 * fold-const.c (fold_build1): Add checksum for the operands.
10416 (fold_build2): Likewise.
10417 (fold_build3): Likewise.
10419 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10421 PR middle-end/19055
10422 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
10424 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10426 * common.opt (-fforward-propagate): Committed by mistake,
10429 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10431 * reg-stack.c: Fix comment typo(s).
10432 * tree-ssa-operands.c: Likewise.
10433 * tree-vectorizer: Likewise.
10435 2005-07-21 Nick Clifton <nickc@redhat.com>
10437 * config/sh/symbian.c: Replace C++ style line comments with C
10438 style line comments.
10439 (symbian_add_attribute): Do not use a ? operator on the LHS of
10441 (sh_symbian_handle_dll_attribute): Change the type of the
10442 method vector to "VEC(tree,gc)*" and use vector accessor
10443 macros to walk over the elements.
10444 (symbian_export_vtable_and_rtti_p): Likewise.
10445 (symbian_class_needs_attribute_p): Likewise.
10447 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10450 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
10451 initialize targetm.resolve_overloaded_builtin here.
10452 (altivec_expand_overloaded_builtin): Make it non-static.
10453 * config/rs6000/rs6000-protos.h
10454 (altivec_expand_overloaded_builtin): New prototype.
10455 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
10456 targetm.resolve_overloaded_builtin here.
10457 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
10459 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10460 Zdenek Dvorak <dvorakz@suse.cz>
10462 PR tree-optimization/19210
10463 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
10465 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
10466 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
10467 rely on unproven assumptions.
10468 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
10469 * tree-flow.h (number_of_iterations_exit): Add final parameter.
10470 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
10471 to number_of_iterations_exit.
10472 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
10473 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
10474 * tree-ssa-loop-niter.c (find_loop_niter,
10475 estimate_numbers_of_iterations_loop): Likewise.
10476 (number_of_iterations_exit): Honor the new options.
10477 * doc/invoke.texi (Wunsafe-loop-optimizations,
10478 funsafe-loop-optimizations): Document them.
10480 2005-07-21 Richard Sandiford <richard@codesourcery.com>
10482 PR rtl-optimization/22167
10483 * gcse.c (hoist_code): Fix hoist_exprs[] check.
10485 2005-07-20 Adam Nemet <anemet@lnxw.com>
10487 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
10488 __do_global_dtors_aux longcall.
10490 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
10492 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
10493 (old_special_pred_table): Don't reference
10494 SPECIAL_MODE_PREDICATES.
10495 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
10496 * config/arc/arc.h: Don't mention PREDICATE_CODES.
10497 * config/sh/predicates.h: Don't mention
10498 SPECIAL_MODE_PREDICATES.
10499 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
10502 2005-07-20 DJ Delorie <dj@redhat.com>
10504 * config.gcc: Add m32c-elf support.
10506 * doc/contrib.texi: Mention m32c.
10507 * doc/extend.texi: Document m32c extensions.
10508 * doc/install.texi: Mention m32c.
10509 * doc/invoke.texi: Document m32c options.
10510 * doc/md.texi: Document m32c constraints.
10512 * config/m32c/addsub.md: New file.
10513 * config/m32c/bitops.md: New file.
10514 * config/m32c/cond.md: New file.
10515 * config/m32c/jump.md: New file.
10516 * config/m32c/m32c-lib1.S: New file.
10517 * config/m32c/m32c-lib2.c: New file.
10518 * config/m32c/m32c-modes.def: New file.
10519 * config/m32c/m32c-pragma.c: New file.
10520 * config/m32c/m32c-protos.h: New file.
10521 * config/m32c/m32c.abi: New file.
10522 * config/m32c/m32c.c: New file.
10523 * config/m32c/m32c.h: New file.
10524 * config/m32c/m32c.md: New file.
10525 * config/m32c/m32c.opt: New file.
10526 * config/m32c/minmax.md: New file.
10527 * config/m32c/mov.md: New file.
10528 * config/m32c/muldiv.md: New file.
10529 * config/m32c/predicates.md: New file.
10530 * config/m32c/prologue.md: New file.
10531 * config/m32c/shift.md: New file.
10532 * config/m32c/t-m32c: New file.
10534 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10536 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
10537 (stack_protect_set, stack_protect_test): New expanders.
10538 (stack_protect_set_si, stack_protect_set_si_media,
10539 stack_protect_set_di_media, stack_protect_test_si,
10540 stack_protect_test_si_media, stack_protect_test_di_media):
10543 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
10545 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10547 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
10549 * tree.h (tree_expr_nonzero_p): Export.
10550 * fold-const.c (tree_expr_nonzero_p): Likewise.
10551 Return true for CALL_EXPRs that are alloca calls.
10552 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10554 * tree-flow.h (expr_computes_nonzero): Remove.
10555 * tree-vrp.c (expr_computes_nonzero): Remove.
10556 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10557 (extract_range_from_unary_expr): Likewise.
10558 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10559 tree_expr_nonzero_p.
10561 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
10563 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10564 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
10565 extra arg "picreg" and use it instead of pic_offset_table_rtx.
10566 All callers changed.
10567 (frame_related_constant_load): New arg "related" which controls
10568 setting of RTX_FRAME_RELATED_P. All callers changed.
10569 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10570 (bfin_expand_prologue): Add stack limit checking.
10571 * config/bfin/bfin.md (trapifcc): New pattern.
10573 * config/bfin/bfin.c: Include "langhooks.h".
10574 (def_builtin): Go through lang_hooks to call builtin_function.
10576 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10577 * config/bfin/predicates.md (symbol_ref_operand): New.
10578 (call_insn_operand): Delete. All callers changed to use
10579 register_no_elim_operand.
10580 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10582 (function_arg): Use it to generate the call's operand 2.
10583 (bfin_longcall_p): New function.
10584 (bfin_expand_call): Extra arg "cookie". All callers and declaration
10585 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
10586 determine if the address needs to be in a REG.
10587 (bfin_handle_longcall_attribute): New function.
10588 (bfin_attribute_table): Add "longcall" and "shortcall".
10589 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10590 (CUMULATIVE_ARGS): New member call_cookie.
10591 (PREDICATE_CODES): Add symbol_ref_operand.
10592 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10593 extra USE to the pattern.
10594 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10595 New patterns, split off call_insn, sibcall_insn, call_value_insn and
10596 sibcall_value_insn; now the new patterns handle direct calls and the
10597 old ones indirect calls.
10598 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10600 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
10602 * doc/trouble.texi: Update section on handling of empty loops.
10604 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
10606 * config.gcc: Remove support for sparc-*-openbsd*,
10607 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10609 * config.host: Remove support for i860-*-sysv4* as a host.
10610 * config/i860/*, config/ip2k/*, config/ns32k/*,
10611 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10612 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10613 mention obsolete ports.
10615 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10617 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10618 soft frame pointer.
10619 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10620 of frame_pointer_rtx.
10621 (sh_expand_epilogue): Likewise.
10622 (sh_set_return_address): Likewise.
10623 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10624 instead of FRAME_POINTER_REGNUM if needed. Add elimination
10625 offsets from FRAME_POINTER_REGNUM.
10626 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10627 (sh_register_names): Add initializer for sfp.
10628 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10629 (VALID_REGISTER_P): Likewise.
10630 (FIRST_PSEUDO_REGISTER): Update.
10631 (DWARF_FRAME_REGISTERS): Define.
10632 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10633 (HARD_FRAME_POINTER_REGNUM): Define.
10634 (FRAME_POINTER_REGNUM): Redefine.
10635 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10636 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
10637 from FRAME_POINTER_REGNUM.
10638 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10639 FRAME_POINTER_REGNUM.
10640 (REG_CLASS_CONTENTS): Add sfp.
10641 (REG_ALLOC_ORDER): Likewise.
10642 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
10643 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10644 of frame_pointer_rtx.
10645 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10647 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
10649 * fold-const.c (tree_expr_nonnegative_p): Only return true for
10650 ABS_EXPR when flag_wrapv is false because of INT_MIN.
10651 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10653 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10656 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
10658 Make CONSTRUCTOR use VEC to store initializers.
10659 * c-common.c (complete_array_type): Update to cope with VEC in
10661 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10662 (pp_c_constructor_elts): New function.
10663 * c-pretty-print.h (pp_c_constructor_elts): Declare.
10664 * c-typeck.c (build_function_call, build_c_cast, digest_init,
10665 struct constructor_stack, struct initializer_stack,
10666 constructor_elements, push_init_level, pop_init_level,
10667 add_pending_init, find_init_member, output_init_element): Update to
10668 cope with VEC in CONSTRUCTOR_ELTS.
10669 * coverage.c (build_fn_info_value, build_ctr_info_value,
10670 build_gcov_info): Likewise.
10671 * expr.c (categorize_ctor_elements_1, store_constructor,
10672 expand_expr_real_1): Likewise.
10673 * fold-const.c (fold_ternary): Likewise.
10674 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10675 gimplify_init_constructor, gimplify_expr): Likewise.
10676 * tree-dump.c (dequeue_and_dump): Likewise.
10677 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10679 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10681 * tree-sra.c (generate_element_init_1): Likewise.
10682 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10683 * tree-ssa-operands.c (get_expr_operands): Likewise.
10684 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10685 * tree-vect-transform.c (vect_get_vec_def_for_operand):
10686 (get_initial_def_for_reduction): Likewise.
10687 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10688 value handle in annotations.
10689 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10690 tree_node_structure): Add support for constr_kind.
10691 (build_vector_from_ctor, build_constructor_single,
10692 build_constructor_from_list): New functions.
10693 (build_constructor): Update to take a VEC instead of a TREE_LIST.
10694 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10695 Update to cope with VEC in CONSTRUCTOR_ELTS.
10696 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10697 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10698 CONSTRUCTOR_APPEND_ELT): New macros.
10699 (struct constructor_elt, struct tree_constructor): New data types.
10700 (union tree_node): Add tree_constructor field.
10701 * treestruct.def: Define TS_CONSTRUCTOR.
10702 * varasm.c (const_hash_1, compare_constant, copy_constant,
10703 compute_reloc_for_constant, output_addressed_constants,
10704 initializer_constant_valid_p, output_constant,
10705 array_size_for_constructor, output_constructor): Update to cope with
10706 VEC in CONSTRUCTOR_ELTS.
10707 * vec.h (VEC_empty, VEC_copy): New macros.
10709 2005-07-19 Devang Patel <dpatel@apple.com>
10711 * dbxout.c (dbxout_type): Check Objective-C++ lang.
10713 2005-07-19 Richard Henderson <rth@redhat.com>
10716 * gimplify.c (gimplify_expr): Use main variant type for the temp
10717 destination for a discarded volatile read.
10718 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10719 casts between non-void types that change volatility.
10721 2005-07-15 DJ Delorie <dj@redhat.com>
10723 * toplev.h: Add comment about the first parameter for warning().
10724 * errors.h: Likewise.
10726 * c.opt (Wpragmas): New.
10727 * doc/invoke.texi: Document it.
10729 * function.c (do_warn_unused_parameter): Add warning control to
10731 * c-decl.c (warn_if_shadowing): Likewise.
10732 * c-lex.c (cb_def_pragma): Likewise.
10733 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10734 (pop_alignment): Likewise.
10735 (handle_pragma_pack): Likewise.
10736 (apply_pragma_weak): Likewise.
10737 (handle_pragma_weak): Likewise.
10738 (handle_pragma_redefine_extname): Likewise.
10739 (add_to_renaming_pragma_list): Likewise.
10740 (handle_pragma_extern_prefix): Likewise.
10741 (maybe_apply_renaming_pragma): Likewise.
10742 (handle_pragma_visibility): Likewise.
10744 * config/c4x/c4x-c.c (BAD): Likewise.
10745 (c4x_parse_pragma): Likewise.
10746 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10747 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10748 (rs6000_pragma_longcall): Likewise.
10749 * config/v850/v850-c.c (pop_data_area): Likewise.
10750 (ghs_pragma_section): Likewise.
10751 (ghs_pragma_section): Likewise.
10752 (ghs_pragma_interrupt): Likewise.
10753 (ghs_pragma_starttda): Likewise.
10754 (ghs_pragma_startsda): Likewise.
10755 (ghs_pragma_startzda): Likewise.
10756 (ghs_pragma_endtda): Likewise.
10757 (ghs_pragma_endsda): Likewise.
10758 (ghs_pragma_endzda): Likewise.
10760 2005-07-19 Danny Berlin <dberlin@dberlin.org>
10761 Kenneth Zadeck <zadeck@naturalbridge.com>
10763 * Makefile.in: Removed tree-promote-statics.c
10764 * tree-promote-statics.c: Removed.
10765 * common.opt: Removed flag-promote-statics.
10767 * passes.c: Removed tree-promote-statics pass.
10768 * tree-pass.h: Ditto.
10769 * timevar.def: Removed TV_PROMOTE_STATICS.
10772 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
10774 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10776 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10778 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10781 * c-common.c (check_function_arguments): Call
10782 'check_function_format' if either -Wformat or
10783 -Wmissing-format-attribute are specified.
10784 * c-format.c (check_function_format): Check -Wformat before
10785 calling 'check_format_info'.
10786 * c-opts.c (c_common_post_options): Don't warn for
10787 -Wmissing-format-attribute without -Wformat.
10788 * c-typeck.c (convert_for_assignment): Detect additional cases for
10789 -Wmissing-format-attribute.
10790 * doc/invoke.texi (-Wmissing-format-attribute): Document new
10793 2005-07-19 Richard Guenther <rguenther@suse.de>
10795 * config/i386/i386.md (lrint<mode>2): Use temporary
10796 instead of clobbering non-existent memory.
10798 2005-07-19 Nick Clifton <nickc@redhat.com>
10800 * config/avr/avr.c (legitimate_address_p): Fix debugging print
10801 statement to avoid displaying ASCII control characters.
10803 2005-07-19 Ben Elliston <bje@au.ibm.com>
10805 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10806 * cfganal.c (find_edge_index): Ditto.
10807 * combine.c (combine_instructions): Ditto.
10808 * ddg.c (create_scc): Ditto.
10809 (find_successors): Ditto.
10810 (find_predecessors): Ditto.
10811 (find_nodes_on_paths): Ditto.
10812 (longest_simple_path): Ditto.
10813 * flow.c (update_life_info): Ditto.
10814 (count_or_remove_death_notes): Ditto.
10815 (clear_log_links): Ditto.
10816 * modulo-sched.c (generate_reg_moves): Ditto.
10817 (find_max_asap): Ditto.
10818 (find_max_hv_min_mob): Ditto.
10819 (find_max_dv_min_mob): Ditto.
10820 * sbitmap.c (sbitmap_first_set_bit): Ditto.
10821 * sched-rgn.c (extract_edgelst): Ditto.
10822 * tree-into-ssa.c (prepare_names_to_update): Ditto.
10823 (dump_update_ssa): Ditto.
10824 (ssa_names_to_replace) Ditto.
10825 (switch_virtuals_to_full_rewrite): Ditto.
10826 (update_ssa): Ditto.
10827 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10829 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
10831 Fix PR tree-optimization/22483
10833 * tree-complex.c (create_components): Use
10834 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10835 * tree-flow-inline.h (fill_referenced_var_vec): New function.
10836 * tree-flow.h (safe_referenced_var_iterator): New structure.
10837 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10838 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10839 safe_referenced_var iterator.
10840 (add_type_alias): Ditto.
10842 2005-07-19 Steven Bosscher <stevenb@suse.de>
10844 * loop-init.c (rest_of_handle_loop2): Remove.
10845 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10846 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10847 (pass_rtl_loop_init, pass_rtl_loop_done,
10848 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10849 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10850 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10851 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10852 pass_tree_loop_done, and pass_tree_unswitch.
10853 (gate_loop): Rename to gate_tree_loop.
10854 * passes.c (init_optimization_passes): Update for renamed tree
10855 loop passes. Add the new loop2 passes as subpasses of loop2.
10856 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10857 Update for the renamed tree loop passes.
10859 2005-07-18 Ian Lance Taylor <ian@airs.com>
10861 PR middle-end/22057
10862 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10863 blocks when optimizing.
10865 2005-07-18 Steve Ellcey <sje@cup.hp.com>
10867 * common.opt (frename-registers): Initialize to 2.
10869 (fgcse-after-reload): Ditto.
10870 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10871 (process_options): Only change flag_web, flag_rename_registers,
10872 and flag_rerun_cse_after_loop if not explicitly set by user.
10874 2005-07-18 Jan Beulich <jbeulich@novell.com>
10876 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10877 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10878 in 64-bit mode the same as DImode in 32-bit mode.
10879 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10880 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10881 mode. Add new mode parameter.
10882 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10883 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10884 x86_64_shift_adj): New expanders.
10885 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10886 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10888 Respective new splitters. Use renamed shift splitter helpers in 32-bit
10889 DImode shift splitters.
10890 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10891 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10894 2005-07-18 Jan Beulich <jbeulich@novell.com>
10896 * i386.md (movdi_extzv_1): New.
10897 (zero_extendhidi2): Combine alternatives and never force use of
10899 (zero_extendqidi2): Likewise. Don't restrict input selection.
10901 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10903 Fix PR tree-optimization/22531
10904 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
10907 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10909 * tree-promote-statics.c (pass_promote_statics): Change dump file
10912 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10914 * tree-optimize.c (init_tree_optimization_passes): Add
10915 pass_eliminate_useless_stores pass.
10916 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10917 * tree-ssa-pre.c (is_copy_stmt): New function.
10918 (follow_copies_till_vuse): Ditto.
10919 (do_eustores): Ditto.
10920 (gate_eustores): Ditto.
10922 2005-07-16 Richard Henderson <rth@redhat.com>
10924 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10926 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10927 Kenneth Zadeck <zadeck@naturalbridge.com>
10929 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10930 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10931 ipa-type-escape.h, tree-promote-statics.c
10932 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10933 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10934 tree-promote-statics.c: new files.
10935 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10936 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10937 int nonlocal_set_p, mark_constant_function): Deleted.
10938 (rest_of_handle_cfg): Removed call to mark_constant_function.
10939 (nonoverlapping_component_refs_p): Added calls to support
10940 type based aliasing.
10941 * tree-ssa-alias.c (may_alias_p,
10942 compute_flow_insensitive_aliasing): Ditto.
10943 * calls.c (flags_from_decl_or_type): Removed reference to
10945 * c-typeck.c (convert_arguments): Make builtins tolerant of having
10946 too many arguments. This is necessary for Spec 2000.
10947 * cgraph.h (const_function, pure_function): Removed.
10948 * common.opt: Added "fipa-pure-const", "fipa-reference",
10949 "fipa-type-escape", and "ftree-promote-static".
10951 * passes.c: Added ipa and tree-promote-statics passes.
10952 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10953 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10954 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10955 * tree-flow.h: Added exposed sra calls and addition of
10956 reference_vars_info field for FUNCTION_DECLS.
10957 * tree-pass.h: Added passes.
10958 * tree-sra.c: (sra_init_cache): New function.
10959 (sra_insert_before, sra_insert_after) Made public.
10960 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10962 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10963 aliasing. (may_alias_p): Added code to use type escape analysis to
10964 improve alias sets.
10965 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10966 code to prune clobbers of static variables based on information
10967 produced in ipa-reference pass. Changed call clobbering so that
10968 statics are not marked as clobbered if the call does not clobber
10971 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
10973 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10976 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10978 * doc/install.texi (*-*-solaris2*): Document recommended version
10979 of GNU binutils and mention GNU linker problem on Solaris 10.
10981 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
10984 * c-decl.c (c_build_bitfield_integer_type): New function.
10985 (finish_struct): Call it.
10986 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10988 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10990 * c-typeck.c (digest_init): Call 'convert_for_assignment'
10993 2005-07-16 Jan Hubicka <jh@suse.cz>
10995 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10996 (scale_bbs_frequencies_int): Watch roundoff errors.
10997 * predict.c (return_prediction): Initialize return_stmt.
10999 2005-07-16 Jan Hubicka <jh@suse.cz>
11001 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
11002 after RTL profiling.
11004 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
11006 PR middle-end/22398
11007 * fold-const.c (build_range_check): Convert high/low to etype
11008 if we are only comparing against exp.
11010 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
11012 Fix PR tree-optimization/22376
11013 * tree-ssa-structalias.c (build_constraint_graph): We really meant
11015 (need_to_solve): New function.
11016 (compute_points_to_sets): Use it.
11018 2005-07-15 Jan Hubicka <jh@suse.cz>
11020 * cfg.c (update_bb_profile_for_threading): More diagnostic.
11021 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
11023 2005-07-15 Richard Guenther <rguenther@suse.de>
11025 * c-common.c (handle_flatten_attribute): New function.
11026 Add flatten function attribute.
11027 * doc/extend.texi: Document flatten function attribute.
11028 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
11029 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
11031 (cgraph_decide_inlining): Handle functions with flatten
11034 2005-07-14 David Edelsohn <edelsohn@gnu.org>
11036 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
11037 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
11038 UNSPEC_XCHG, UNSPEC_AND): New.
11039 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
11040 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
11041 * config/rs6000/sync.md (FETCHOP): New code macro.
11042 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
11044 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
11045 (sync_compare_and_swap<mode>): Same.
11046 (sync_lock_test_and_set<mode>): Same.
11047 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
11048 for QImode and HImode, and not PPC405.
11049 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
11050 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
11051 (sync_<fetchop>{si,di}_internal): New.
11052 (sync_nand{si,di}_internal): New.
11053 (sync_old_<fetchop>{si,di}_internal): New.
11054 (sync_old_nand{si,di}_internal): New
11055 (sync_new_<fetchop>{si,di}_internal): New.
11056 (sync_new_nand{si,di}_internal): New.
11057 (atomic_and{si,di}): New.
11058 (sync_new_nand{si,di}_internal): New.
11059 (atomic_and{si,di}): New.
11060 (sync_add<mode>_internal): Delete.
11061 (sync_addshort_internal): Use unspec instead of unspec_volatile.
11062 (sync_sub<mode>_internal): Delte.
11063 (sync_subshort_internal): New.
11064 (sync_andsi_internal): Use unspec instead of unspec_volatile.
11065 (sync_anddi_internal): Delete.
11066 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
11067 (sync_booldi_internal): Delete.
11068 (sync_boolc<mode>_internal): Delete.
11069 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
11070 (sync_boolc<mode>_internal2): Delete.
11071 (sync_boolcc<mode>_internal): Delete.
11072 (isync, lwsync): Use unspec instead of unspec_volatile.
11073 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
11074 Revert UNSPEC_VOLATILE.
11075 (rs6000_split_atomic_op): New.
11076 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
11078 2005-07-14 Eric Christopher <echristo@redhat.com>
11080 * config/mips/mips.c (mips_canonicalize_comparison): Cast
11081 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
11083 2005-07-14 Eric Christopher <echristo@redhat.com>
11085 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
11087 2005-07-14 Steven Bosscher <stevenb@suse.de>
11089 PR tree-optimization/22230
11090 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
11091 the computation of the four cross productions for "range op range".
11093 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
11094 Ulrich Weigand <uweigand@de.ibm.com>
11097 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
11100 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
11102 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
11104 2005-07-14 Steve Ellcey <sje@cup.hp.com>
11106 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
11108 2005-07-14 Richard Guenther <rguenther@suse.de>
11110 PR middle-end/22347
11111 * config/i386/i386-protos.h (ix86_function_value): Change
11112 prototype to match new target hook.
11113 * config/i386/i386.c (ix86_value_regno): Change prototype
11114 to take extra type argument.
11115 (TARGET_FUNCTION_VALUE): Define.
11116 (ix86_function_ok_for_sibcall): Pass extra argument to
11117 ix86_value_regno, check return slot rtx for exact match.
11118 (ix86_function_value): Take extra parameter. Dispatch to
11119 ix86_value_regno with fndecl/fntype as provided.
11120 (ix86_value_regno): Handle extra type argument.
11121 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
11123 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
11124 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
11125 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
11126 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
11127 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
11129 2005-07-14 Richard Guenther <rguenther@suse.de>
11131 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
11132 * calls.c (expand_call): Pass fntype to hard_function_value.
11133 (emit_library_call_value_1): Likewise.
11134 * explow.c: Include target.h.
11135 (hard_function_value): Take extra argument, the fntype.
11136 Use new target hook for function_value.
11137 * expr.h (hard_function_value): Change prototype.
11138 * function.c (aggregate_value_p): Pass 0 as fntype to
11139 hard_function_value.
11140 (assign_parms): Use new target hook for function_value.
11141 Pass 0 as fntype to hard_function_value.
11142 (expand_function_end): Likewise.
11143 * reg-stack.c: Include target.h.
11144 (stack_result): Use new target hook for function_value.
11145 * target-def.h: New target hook function_value.
11146 * target.h: Likewise.
11147 * targhooks.c (default_function_value): New function.
11148 * targhooks.h (default_function_value): Declare.
11150 2005-07-13 Ian Lance Taylor <ian@airs.com>
11152 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
11154 2005-07-14 Jan Hubicka <jh@suse.cz>
11156 * tree-dfa.c (dump_variable): Use default_def function.
11157 * tree-ssa-alias.c (dump_points_to_info): Likewise.
11158 * tree-ssa.c (verify_use): Likewise.
11159 * tree-ssanames.c (release_ssa_name): Likewise.
11160 * tree-tailcall.c (eliminate_tail_call): Likewise.
11161 (tree_optimize_tail_calls_1): Likewise.
11162 * tree-vrp.c (get_value_range): Likewise.
11164 2005-07-14 Ben Elliston <bje@au.ibm.com>
11166 * gcc.c (main): Compare language[0] with '*' when iterating over
11169 2005-07-13 Adrian Straetling <straetling@de.ibm.com>
11171 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
11172 "s390_emit_compare". Add handling of CCZ1mode.
11173 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
11174 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
11176 (s390_branch_condition_mask): Add CCZ1mode handling.
11177 * config/s390/s390.md: ("seq", "*seq"): New pattern.
11178 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
11179 Use CCZ1mode instead of CCZmode.
11180 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
11182 2005-07-13 Adrian Straetling <straetling@de.ibm.com>
11184 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
11186 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
11188 2005-07-13 Eric Christopher <echristo@redhat.com>
11190 * config/mips/mips.c (mips_canonicalize_comparison): New.
11191 (mips_emit_int_relational): Use.
11193 2005-07-13 Eric Christopher <echristo@redhat.com>
11195 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11196 static extra parts.
11197 * config/s390/s390.md: Include tpf.md. Move tpf specific
11199 * config/s390/tpf.md: To here.
11200 * config/s390/s390.opt: Move tpf specific options...
11201 * config/s390/tpf.opt: to here. Add mmain option.
11202 * config/s390/tpf-unwind.h: Remove unnecessary defines.
11203 * config/s390/tpf.h: Rewrite.
11205 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
11207 * doc/tm.texi: Remove @xref{Cross-profiling}.
11209 2005-07-13 Jeff Law <law@redhat.com>
11211 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
11212 expressions, test their _DECL operands for pointer equality rather
11213 than using operand_equal_p.
11215 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
11217 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
11218 (TARGET_POSIX_IO): This.
11219 * config/darwin.h: Likewise.
11220 * config/freebsd.h: Likewise.
11221 * config/linux.h: Likewise.
11222 * config/lynx.h: Likewise.
11223 * config/netbsd.h: Likewise.
11224 * config/rs6000/linux64.h: Likewise.
11225 * config/rs6000/linux.h: Likewise.
11226 * config/s390/tpf.h: Likewise.
11227 * config/sh/embed-elf.h: Likewise.
11228 * config/sparc/linux64.h: Likewise.
11229 * config/sparc/linux.h: Likewise.
11230 * config/svr4.h: Likewise.
11231 * gcov-io.h: Likewise.
11233 * doc/tm.texi: Updated.
11235 * libgcov.c (create_file_directory): Defined only if
11236 TARGET_POSIX_IO is defined.
11237 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
11240 2005-07-13 Jan Hubicka <jh@suse.cz>
11242 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
11244 2005-07-13 David Edelsohn <edelsohn@gnu.org>
11246 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
11247 structure as argument.
11249 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
11251 PR tree-optimization/21921
11252 * tree-iterator.c (tsi_link_before): Support the case when
11253 tsi_end_p (tsi) == true.
11255 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11257 PR tree-optimization/22442
11258 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
11261 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11263 PR rtl-optimization/20376
11264 * toplev.c (process_options): Enable -fweb and -frename-registers when
11266 * doc/invoke.texi: Update the information about when -fweb and
11267 -frename-registers are enabled.
11269 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11272 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
11273 if *rhs_p is not a SSA_NAME.
11275 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
11277 Fix PR tree-optimization/22422
11278 * tree-ssa-structalias.c (struct variable_info): Add flag for
11280 (get_varinfo): Now a static function.
11281 (new_varinfo): init has_union and is_special_var to false.
11282 (solution_set_add): Check has_union.
11283 (do_da_constraint): Move temporary variable so it gets reset
11285 Also check for special variable.
11286 (do_ds_constraint): Ditto.
11287 (do_sd_constraint): Ditto.
11288 (do_structure_copy): Check for special variable.
11289 (find_func_aliases): Ditto.
11290 (init_base_vars): Set special vars properly.
11292 2005-07-13 Jan Hubicka <jh@suse.cz>
11294 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
11297 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
11298 (get_expr_operands): Fix thinko wrt flags and subvars.
11300 PR tree-optimize/22379
11301 * tree-inline.c (expand_call_inline): Do not output sorry in early
11304 2005-07-12 Dale Johannesen <dalej@apple.com>
11306 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
11308 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11311 * host-linux.h: Include limits.h.
11313 2005-07-12 Dale Johannesen <dalej@apple.com>
11315 * expr.c (compress_float_constant): Add cost check.
11316 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
11318 2005-07-12 Dale Johannesen <dalej@apple.com>
11320 * gcc.target/i386/compress-float-sse.c: New.
11321 * gcc.target/i386/compress-float-sse-pic.c: New.
11322 * gcc.target/i386/compress-float-387.c: New.
11323 * gcc.target/i386/compress-float-387-pic.c: New.
11324 * gcc.dg/compress-float-ppc.c: New.
11325 * gcc.dg/compress-float-ppc-pic.c: New.
11327 2005-07-12 Eric Christopher <echristo@redhat.com>
11329 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11330 static extra parts.
11331 * config/s390/s390.md: Include tpf.md. Move tpf specific
11333 * config/s390/tpf.md: To here.
11334 * config/s390/s390.opt: Move tpf specific options...
11335 * config/s390/tpf.opt: to here. Add mmain option.
11336 * config/s390/tpf-unwind.h: Remove unnecessary defines.
11337 * config/s390/tpf.h: Rewrite.
11339 2005-07-12 Eric Christopher <echristo@redhat.com>
11341 * gcc.c (struct infile): Update comment for language.
11342 (main): Rewrite input file resetting code.
11344 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11347 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
11348 requiring a cast in a non RHS of modify_expr. Add a cast when required.
11349 (lookup_avail_expr): Use constant_boolean_node instead
11350 of boolean_false_node/boolean_true_node.
11352 2005-07-12 Ben Elliston <bje@au.ibm.com>
11354 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
11355 and use it when printing num_edges.
11357 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
11359 * doc/extend.texi (Blackfin Built-in Functions): New section.
11360 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
11363 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
11365 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
11366 s/cmpstrsi/cmpstrnsi
11367 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
11369 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
11370 (init_optabs): Initialize cmpstrn_optab.
11371 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
11372 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
11373 * expr.c: (enum insn_code cmpstrn_optab): Declare.
11374 * config/i386/i386.md: s/cmpstr/cmpstrn
11375 * config/c4x/c4x.md: s/cmpstr/cmpstrn
11376 * doc/md.texi: Update documentation.
11378 2005-07-11 Richard Henderson <rth@redhat.com>
11380 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
11381 build_va_arg_indirect_ref.
11382 (alpha_gimplify_va_arg): Likewise.
11383 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
11384 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11385 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
11386 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
11387 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11388 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
11390 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11392 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11394 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
11395 * passes.c (init_optimization_passes): Add pass_empty_loop.
11396 * tree-pass.h (pass_empty_loop): Declare.
11397 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
11398 try_remove_empty_loop, remove_empty_loops): New functions.
11399 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
11400 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
11402 2005-07-12 Peter Barada <peter@the-baradas.com>
11404 PR middle-end/16719
11405 PR middle-end/18421
11406 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
11407 in address registers.
11408 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
11409 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
11410 alternative of addsi3_5200.
11412 2005-07-11 Ian Lance Taylor <ian@airs.com>
11414 * config/mips/mips.md (ffs<mode>2): Remove.
11416 2005-07-11 Ian Lance Taylor <ian@airs.com>
11418 * doc/tree-ssa.texi (Cleanups): Improve description of
11420 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
11422 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
11424 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
11425 * tree.h (DECL_ARGUMENT_FLD): New macro.
11427 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
11429 Fix PR tree-optimization/22404
11431 * tree-ssa-structalias.c (create_variable_info_for): Use
11434 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
11436 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
11437 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
11438 for second comparison operand.
11439 * config/bfin/predicates.md (reg_or_const_int_operand): New.
11441 * config/bfin/bfin.md (define_attr "type"): Add "sync".
11442 (define_insn_reservation "alu"): Likewise.
11443 (csync, ssync): Now of type sync.
11444 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
11445 -mcsync-anomaly -mspecld-anomaly.
11446 * config/bfin/bfin.opt (mcsync): Remove.
11447 (mcsync-anomaly, mspecld-anomaly): Add.
11448 * config/bfin/bfin.c: Include "insn-codes.h".
11449 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
11450 (TARGET_DEFAULT_TARGET_FLAGS): New.
11451 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
11453 2005-07-11 Steven Bosscher <stevenb@suse.de>
11455 * basic-block.h: Give the BB flags enum a name, bb_flags.
11456 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
11457 * cfgcleanup.c (enum bb_flags): Remove here.
11458 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
11459 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
11460 (update_forwarder_flag): Likewise.
11461 (thread_jump): Likewise.
11462 (try_forward_edges): Likewise.
11463 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
11464 forwarder flags. Don't clear bb->aux for all basic blocks. Only
11465 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
11467 2005-07-11 Richard Guenther <rguenther@suse.de>
11469 * config/i386/i386.opt: New target option -msseregparm.
11470 * config/i386/i386.c (override_options): Error out for
11471 -msseregparm but no SSE support.
11472 (ix86_function_sseregparm): Check for global sseregparm.
11473 * doc/invoke.texi: Document -msseregparm.
11475 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11477 * config.gcc (m32r-*-linux*): Use the default extra_parts.
11478 (m32rle-*-linux*): Ditto.
11480 2005-07-11 Jakub Jelinek <jakub@redhat.com>
11482 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
11483 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
11486 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11488 PR middle-end/22239
11490 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
11491 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
11493 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
11495 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
11496 (varmap): Heapify varmap.
11497 (constraints): Heapify constraints.
11498 (struct constraint_graph): Heapify succs and preds.
11499 (constraint_vec_find): Update for heapification.
11500 (constraint_set_union): Ditto.
11501 (insert_into_complex): Ditto.
11502 (constraint_edge_vec_find): Ditto.
11503 (erase_graph_self_edge): Ditto.
11504 (add_graph_edge): Ditto.
11505 (get_graph_weights): Ditto.
11506 (merge_graph_nodes): Ditto.
11507 (build_constraint_graph): Ditto.
11508 (topo_visit): Ditto.
11509 (solve_graph): Ditto.
11510 (create_variable_info_for): Ditto.
11511 (init_base_vars): Ditto.
11512 (delete_points_to_sets): Free graph, varmap, and complex constraints.
11513 (condese_varmap_nodes): Free complex vector.
11514 (clear_edges_for_node): Clear succs and preds vector.
11516 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
11518 * tree-ssa-structalias.c (update_alias_info): Change counting of
11519 references to not include vdefs.
11521 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
11523 * tree-ssa-alias.c (free_used_part_map): Add missing free.
11524 (up_insert): Ditto.
11526 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11528 * pa.c (pa_commutative_p): Make PLUS commutative when
11529 TARGET_NO_SPACE_REGS is true.
11531 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11533 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
11534 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
11535 * tree-dfa.c (dump_subvars_for): New.
11536 (debug_subvars_for): New.
11537 (dump_variable): Show subvariables if VAR has them.
11538 * tree-flow-inline.h (get_subvar_at): New.
11539 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
11540 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
11542 (struct subvar): Change fields offset and size to unsigned
11544 (dump_subvars_for): Declare.
11545 (debug_subvars_for): Declare.
11546 (get_subvar_at): Declare.
11547 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11548 to unsigned HOST_WIDE_INT *.
11549 (overlap_subvar): Likewise.
11550 * tree-gimple.c (is_gimple_reg): Always return false for
11551 SFTs and memory tags.
11552 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11553 Update all callers.
11554 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11555 (compute_may_aliases): Call compute_points_to_sets.
11556 (collect_points_to_info_for): Remove.
11557 (compute_points_to_and_addr_escape): Remove.
11558 (delete_alias_info): Call delete_points_to_sets.
11559 (compute_flow_sensitive_aliasing): If the call to
11560 find_what_p_points_to returns false, call set_pt_anything.
11561 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11562 (set_pt_anything): Clear pi->pt_vars.
11563 (set_pt_malloc): Remove.
11564 (merge_pointed_to_info): Remove.
11565 (add_pointed_to_expr): Remove.
11566 (add_pointed_to_var): Remove.
11567 (collect_points_to_info_r): Remove.
11568 (is_escape_site): Make extern.
11570 (create_overlap_variables_for): Call it.
11571 * tree-ssa-copy.c (merge_alias_info): Never merge
11572 flow-sensitive alias information.
11573 * tree-ssa-operands.c (get_expr_operands): Adjust variables
11574 offset and size to be unsigned HOST_WIDE_INT.
11575 (add_to_addressable_set): Rename from note_addressable.
11576 Set TREE_ADDRESSABLE as the variables are added to the set.
11578 (add_stmt_operand): Do not try to micro-optimize unmodifiable
11579 operands into VUSEs when adding V_MAY_DEFs for members in an
11581 * tree-ssa-operands.h (add_to_addressable_set): Declare.
11582 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11583 (struct variable_info): Add bitfield is_heap_var.
11584 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11585 (new_var_info): Initialize is_heap_var.
11586 (get_constraint_for): Add HEAP variables to the symbol table.
11587 Mark them with is_heap_var.
11588 (update_alias_info): New. Taken mostly from the old
11589 compute_points_to_and_addr_escape.
11590 (handle_ptr_arith): New.
11591 (find_func_aliases): Call update_alias_info.
11592 Call handle_ptr_info for tcc_binary expressions.
11593 Call mark_stmt_modified.
11594 (create_variable_info_for): If DECL has subvars, do not create
11595 variables for its subvars. Always add all the fields.
11596 (set_uids_in_ptset): If the solution includes ANYOFFSET and
11597 SFTs, then add all the SFTs of the structure.
11598 If VI->DECL is an aggregate with subvariables, add the SFT at
11600 (find_what_p_points_to): If VI is an artificial variable,
11601 translate to bitfields in SSA_NAME_PTR_INFO.
11602 If the solution is empty, set pi->pt_vars to NULL
11603 (init_base_vars): Create ANYOFFSET.
11604 (compute_points_to_sets): Rename from create_alias_vars.
11606 (pass_build_pta): Remove.
11607 (delete_points_to_sets): Rename from delete_alias_vars.
11608 (pass_del_pta): Remove.
11609 * tree-ssa-structalias.h (struct alias_info): Move from
11611 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11612 NUM_REFERENCES_SET): Likewise.
11613 (compute_points_to_sets, delete_points_to_sets): Declare.
11615 2005-07-09 Richard Henderson <rth@redhat.com>
11617 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11618 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11619 alpha_split_lock_test_and_set_12): New functions.
11620 * config/alpha/alpha-protos.h: Update.
11621 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11622 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11623 * config/alpha/sync.md (I12MODE): New.
11624 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11625 (sync_<fetchop_name><I48MODE>): Likewise.
11626 (sync_nand<I48MODE>): Likewise.
11627 (sync_old_<fetchop_name><I48MODE>): Likewise.
11628 (sync_new_<fetchop_name><I48MODE>): Likewise.
11629 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11630 (sync_compare_and_swap<I48MODE>): Likewise.
11631 (sync_lock_test_and_set<I48MODE>): Likewise.
11632 (sync_compare_and_swap<I12MODE>): New.
11633 (sync_compare_and_swap<I12MODE>_1): New.
11634 (sync_lock_test_and_set<I12MODE>): New.
11635 (sync_lock_test_and_set<I12MODE>_1): New.
11637 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11641 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11643 2005-07-09 Jakub Jelinek <jakub@redhat.com>
11645 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11646 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11648 2005-07-09 Richard SAndiford <richard@codesourcery.com>
11651 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11653 2005-07-08 David Edelsohn <edelsohn@gnu.org>
11655 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11656 memory_operand constraint.
11657 (store_conditional_<mode>): Same.
11658 (sync_compare_and_swap<mode>): Same.
11659 (sync_lock_test_and_set<mode>): Same.
11661 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
11663 Rewrite PIC support to more closely model actual instructions.
11664 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11665 (cris_symbol): Remove prototypes for removed functions.
11666 (cris_pic_symbol_type_of, cris_valid_pic_const)
11667 (cris_expand_pic_call_address): Prototypes for new functions.
11668 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11670 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11672 <case ':'>: Add case for new punctuation character.
11673 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11674 emitting (extra) PIC modifier.
11675 <case UNSPEC>: Do not assert for PLT.
11676 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11677 (cris_expand_prologue, cris_expand_epilogue): Check
11678 for pic_offset_table_rtx usage instead of taking
11679 current_function_uses_pic_offset_table as the final word.
11680 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11681 Remove flag_pic difference.
11682 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11683 the moral equivalents of...
11684 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11686 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11687 (cris_handle_option): Mark ARG as unused.
11688 (cris_expand_pic_call_address): New worker function for "call",
11690 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11691 output PIC constructs here.
11692 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11693 as symbol-specific modifers, not whole or part of operands.
11694 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11695 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11696 constants and flag_pic.
11697 (CONSTANT_INDEX_P): Adjust for new functions.
11698 (enum cris_pic_symbol_type): New helper type.
11699 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11700 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11701 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11703 ("movsi"): Emit actual instructions for GOT and relative access.
11704 ("*movsi_got_load"): New pattern to set up the register holding
11706 ("*movsi_internal"): Operand 1 is not a plain general_operand.
11707 Adjust FIXME for 'S'.
11708 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11709 Use "movs" for -fpic cases.
11710 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11711 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11712 ("call", "call_value"): Just call cris_expand_pic_call_address for
11714 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11715 Remove special pattern.
11716 ("*expanded_call_side", "*expanded_call_value_side"): New
11718 (gotplt-to-plt, gotplt-to-plt-side-call)
11719 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11721 * config/cris/cris/predicates.md
11722 ("cris_general_operand_or_gotless_symbol"): Remove unused
11724 ("cris_general_operand_or_symbol"): Adjust for new functions.
11726 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11728 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11730 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
11732 * Makefile.in (TREE_H): Add treestruct.def.
11733 (c-decl.o): Add pointer-set.h
11734 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11735 visibility on regular DECL's.
11736 (merge_decls): Fix the copying of decl nodes of various types for
11737 the new structures. Don't update RTL, section name, weak status,
11738 etc, on DECL's without RTL.
11739 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11740 Don't check volatile on non-variable types.
11741 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11742 to check whether we have seen arguments.
11743 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11744 flag is checked before field (flag is common, field is not).
11745 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
11746 TS_DECL_COMMON could have an origin.
11747 (add_location_or_const_value_attribute): Don't check section name
11748 on non-var/function decls.
11749 (dwarf2out_var_location): Reverse order of tests.
11750 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11751 with DECL_WRTL_CHECK.
11752 * expmed.c (make_tree): rtl is now in decl_with_rtl.
11753 * fold-const.c (fold_binary): Don't check weakness on
11754 non-var/function decls.
11755 (tree_expr_nonzero_p): Ditto.
11756 (fold_checksum_tree): Use tree_decl_extra as sizeof
11758 * ggc-page.c (extra_order_size_table): Add sizes for
11759 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
11761 * gimplify.c (gimplify_bind_expr): Only set
11762 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11763 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11765 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11766 * langhooks.h (init_ts). New langhook.
11767 * passes.c (rest_of_decl_compilation): Reverse order of tests.
11768 * print-tree.c (print_node): Update to only print fields that
11769 exist in the structures the passed decl has.
11770 * toplev.c (wrapup_global_declarations): Don't reset
11771 DECL_DEFER_OUTPUT on DECL's that don't contain it.
11772 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11773 * tree-inline.c (remap_decl): Ditto.
11774 * tree-outof-ssa.c (create_temp): Reverse order of tests.
11775 * tree-pretty-print.c (print_declaration): Don't print
11776 DECL_REGISTER on things that don't contain it.
11777 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11778 non-var/function decls.
11779 * tree.c (tree_contains_struct): New structure.
11780 (init_priority_for_decl): New hashtable.
11781 (tree_int_map): New structure.
11782 (tree_int_map_eq): New function.
11783 (tree_int_map_marked_p): Ditto.
11784 (tree_int_map_hash): Ditto.
11785 (tree_map): Move to tree.h.
11786 (tree_map_eq): Externalize.
11787 (tree_map_hash): Ditto.
11788 (tree_map_marked_p): Ditto.
11789 (init_ttree): Set up tree_contains_struct and call langhook.
11790 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11791 (tree_code_size): Update for new structures.
11792 (tree_node_structure): Update for new structures.
11793 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11795 (copy_node_stat): Copy init priority.
11796 (build_decl_stat): Ditto for visibility.
11797 (ts_enum_names): New.
11798 (tree_contains_struct_check_failed): New function.
11799 (decl_init_priority_lookup): Ditto.
11800 (decl_init_priority_insert): Ditto.
11801 * treestruct.def: New file.
11802 * tree.h (CODE_CONTAINS_STRUCT): New macro.
11803 (CONTAINS_STRUCT_CHECK): Ditto.
11804 (tree_contains_struct_check_failed): New prototype.
11805 (DECL_CHECK): Removed.
11806 (DECL_MINIMAL_CHECK): New.
11807 (DECL_COMMON_CHECK): Ditto.
11808 (DECL_WRTL_CHECK): Ditto.
11809 (DECL_NON_COMMON_CHECK): Ditto.
11810 (DECL_WITH_VIS_CHECK): Ditto.
11811 (VAR_OR_FUNCTION_DECL_P): Ditto
11812 (struct tree_decl_minimal): New structure.
11813 (struct tree_decl_common): Ditto.
11814 (struct tree_decl_with_rtl): Ditto.
11815 (struct tree_decl_with_vis): Ditto.
11816 (struct tree_decl_non_common): Ditto.
11817 (struct tree_field_decl): Ditto.
11818 (struct tree_parm_decl): Ditto.
11819 (struct tree_var_decl): Ditto.
11820 (struct tree_function_decl): Ditto.
11821 (struct tree_const_decl): Ditto.
11822 (struct tree_result_decl): Ditto.
11823 (union tree_node): Add new structures.
11824 * var-tracking.c (track_expr_p): Reverse order of tests.
11826 * doc/c-tree.texi: Add documentation on DECL node internal structure.
11828 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11830 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11831 * system.h: Poison FINALIZE_PIC.
11832 * doc/tm.texi (FINALIZE_PIC): Remove.
11834 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11837 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11838 to the correct type if we have a MODIFY_EXPR.
11840 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11842 PR tree-optimization/22360
11843 * tree.c (upper_bound_in_type): Fix calculations for casting
11844 to a non-wider signed type and casting a signed value to a
11845 wider unsigned type.
11846 (lower_bound_in_type): Fix calculations for casting to a
11847 non-wider signed type.
11849 PR tree-optimization/20139
11850 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11852 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11853 fold_cond_expr_cond.
11854 * tree-ssanames.c (release_defs): Assert in_ssa_p.
11855 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11857 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11860 * tree-complex.c (expand_complex_libcall): Produce
11861 REALPART_EXPR/IMAGPART_EXPR with the correct type.
11863 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
11865 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11866 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11867 b" assert and inserted fastpath code for this case.
11868 (bitmap_ior): Removed "a != b" assert.
11870 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11872 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11873 (ENDFILE_SPEC): Likewise.
11874 * config/m32r/m32r.h (ASM_SPEC): Likewise.
11876 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11877 a large stack frame at epilogue.
11879 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
11881 * final.c: Include sdbout.h when required.
11883 2005-07-07 Geoffrey Keating <geoffk@apple.com>
11885 * config.gcc (*-*-darwin*): Only one target-specific header file
11886 for generic darwin.
11887 (powerpc-*-darwin*): Add version-specific header files.
11888 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11889 * config.in: Regenerate.
11890 * configure: Regenerate.
11891 * gcc.c: Include xregex.h.
11892 (version_compare_spec_function): New.
11893 (spec_function): Add version-compare.
11894 (replace_outfile_spec_function): Reformat comment.
11895 (compare_version_strings): New.
11896 * config/darwin-c.c (version_as_macro): New.
11897 (builtin_define): New.
11898 (darwin_cpp_builtins): New.
11899 * config/darwin-protos.h (darwin_cpp_builtins): New.
11900 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11901 (LIB_SPEC): Make unconditional, update comment.
11902 (TARGET_C99_FUNCTIONS): Define.
11903 * config/darwin.opt: Sort.
11904 (mmacosx-version-min=): New.
11905 * config/darwin7.h: Delete.
11906 * config/darwin8.h: Delete.
11907 * config/i386/darwin.h (): Call darwin_cpp_builtins.
11908 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11909 (TARGET_C99_FUNCTIONS): Define.
11910 * config/rs6000/darwin7.h: New.
11911 * config/rs6000/darwin8.h: New.
11912 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11913 (-mmacosx-version-min): Document.
11915 2005-07-07 Ian Lance Taylor <ian@airs.com>
11917 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11919 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
11921 PR middle-end/22239
11922 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11924 2005-07-07 Khem Raj <kraj@mvista.com>
11926 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11927 in bytes, not words.
11929 2005-07-07 Paul Brook <paul@codesourcery.com>
11931 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11932 DEFAULT_FUNCTION_ARG_PADDING to upward.
11934 2005-07-07 Richard Henderson <rth@redhat.com>
11936 * function.c (locate_and_pad_parm): Record parameter alignment in
11937 stack_alignment_needed.
11939 2005-07-07 David Edelsohn <edelsohn@gnu.org>
11941 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11942 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11943 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11944 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11945 (define_attr "type"): Add isync, sync, load_l, store_c.
11946 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11947 Create scratch volatile MEM.
11948 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
11950 (load_locked_<mode>): New.
11951 (store_conditional_<mode>): New.
11952 (sync_compare_and_swap<mode>): Replace with splitter.
11953 (sync_lock_test_and_set<mode>): Replace with splitter.
11954 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11956 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
11957 is ics. Attribute isync.
11958 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
11960 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11961 and UNSPECV_SYNC_OP.
11962 (emit_unlikely_jump): New.
11963 (emit_load_locked): New.
11964 (emit_store_conditional): New.
11965 (rs6000_split_compare_and_swap): New.
11966 (rs6000_split_lock_test_and_set): New.
11967 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11968 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11969 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11970 rs6000_split_lock_test_and_set): Declare.
11971 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11972 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11973 store_c, isync, sync.
11975 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
11977 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11978 filenames to gtyp-gen.h.
11979 (s-typ-gen): Use it in place of for loops.
11981 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
11983 * hooks.c (hook_bool_rtx_int_false): New function.
11984 * hooks.h (hook_bool_rtx_int_false): Declare.
11985 * target-def.h (TARGET_COMMUTATIVE_P): Define.
11986 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11987 * target.h (struct gcc_target): Add commutative_p member.
11988 * targhooks.c (hook_bool_rtx_commutative_p): New function.
11989 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11990 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11991 (pa_commutative_p): New function.
11992 * jump.c (target.h): Include.
11993 (rtx_renumbered_equal_p): Use targetm.commutative_p.
11994 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11996 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11998 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11999 (s390_expand_setmem): New.
12000 * config/s390/s390.c: Likewise.
12001 (print_shift_count_operand): Truncate to 12 bits instead of 6.
12003 * config/s390/s390.md: ("setmem<mode>"): Accept character as
12004 general_operand. Call new function "s390_expand_setmem".
12005 ("clrmem_long", "*clrmem_long"): Rewrite to ...
12006 ("setmem_long", "*setmem_long"): ... this.
12008 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
12010 * config/s390/s390.c: (optimization_options): Enable
12011 TARGET_MVCLE at -Os.
12012 * doc/invoke.texi: Document changes in default behaviour.
12013 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
12015 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
12017 * expr.c: (set_storage_via_setmem): Convert opchar to mode
12018 defined by back-end.
12020 2005-07-07 Jakub Jelinek <jakub@redhat.com>
12022 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
12023 all sets in the pattern.
12024 * config/rs6000/rs6000.md (stack_protect_testsi,
12025 stack_protect_testdi): Likewise.
12027 2005-07-06 Jeff Law <law@redhat.com>
12029 * tree-vrp.c (simplify_using_ranges): Kill.
12030 (vrp_finalize): Remove call to simplify_using_ranges.
12031 (simplify_stmt_using_ranges): New function extracted from
12032 simplify_using_ranges.
12033 (simplify_div_or_mod_using_ranges): Likewise.
12034 (simplify_abs_using_ranges): Likewise.
12035 (simplify_cond_using_ranges): New function.
12036 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
12037 * tree-ssa-propagate.c (substitute_and_fold): Call
12038 simplify_stmt_using_ranges if we have range information.
12040 2005-07-06 James E. Wilson <wilson@specifixinc.com>
12042 * config/ia64/ia64.c (ia64_reorg): Check optimize before
12043 ia64_flag_schedule_isns2.
12045 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
12046 reading/writing general registers.
12047 (ia64_function_arg): Revert 2005-06-18 change.
12049 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
12051 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
12052 (legitimize_tls_address): Use gcc_unreachable instead of abort.
12054 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
12056 * function.c (expand_function_end): Revert part of 2005-06-27
12057 patch. Do sjlj_emit_function_exit_after after return_label.
12059 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
12061 * doc/install.texi (--disable-libssp): New.
12063 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
12065 * doc/invoke.texi: Update -fforce-mem documentation.
12066 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
12067 code for -fforce-mem.
12068 * expmed.c: (store_bit_field,store_fixed_bit_field,
12069 extract_bit_field): Ditto.
12070 * expr.c: (convert_move): Ditto.
12071 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
12072 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
12073 emit_conditional_add,expand_float,expand_fix): Ditto.
12074 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
12075 (common_handle_option): Issue warning when -fforce-mem specified.
12077 2005-07-06 Paul Brook <paul@codesourcery.com>
12079 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
12081 * configure: Regenerate.
12083 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
12085 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
12087 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
12089 Fix PR tree-optimization/22319
12090 Fix PR tree-optimization/22140
12091 Fix PR tree-optimization/22310
12093 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
12094 variable sized types.
12095 Use correct type for intermediate structure on *a = *b structure
12098 2005-07-06 Jakub Jelinek <jakub@redhat.com>
12100 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
12102 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
12103 (machine_function): Move typedef to...
12104 * config/rs6000/rs6000.c (machine_function): ... here. Add
12105 varargs_save_offset field.
12106 (rs6000_stack_t): Remove varargs_size field.
12107 (setup_incoming_varargs): Allocate varargs save area using
12108 assign_stack_local, try to make it as small as possible.
12109 Save offset from virtual_stack_vars_rtx to the save area
12110 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
12111 instead of magic 8 when fp word byte size is used.
12112 (rs6000_va_start): Use cfun->machine->varargs_save_offset
12113 instead of -RS6000_VARARGS_SIZE.
12114 (rs6000_stack_info, debug_stack_info,
12115 rs6000_initial_elimination_offset): Remove all traces of
12117 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
12118 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
12119 RS6000_VARARGS_AREA.
12121 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
12123 PR tree-optimization/21963
12124 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
12125 constant_multiple_of in the same way get_computation_cost_at does.
12127 2005-07-06 Jakub Jelinek <jakub@redhat.com>
12129 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
12130 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
12131 (gen_compare_reg): If sparc_compare_emitted is set, clear it
12132 and return its previous value.
12133 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
12134 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
12136 (stack_protect_set, stack_protect_test): New expanders.
12137 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
12138 stack_protect_testdi): New insns.
12139 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12140 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
12142 2005-07-06 Jeff Law <law@redhat.com>
12144 * tree-ssa-dce.c (cfg_altered): New global.
12145 (tree_dce_init): Initialize cfg_altered.
12146 (remove_dead_stmt): If we remove an edge in the CFG, then set
12148 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
12151 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
12153 * Makefile.in (stamp-collect-ld): Use
12154 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
12155 ./collect-ld if it already exists.
12156 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
12157 Don't remove ./nm if it already exists.
12159 2005-07-05 Devang Patel <dpatel@apple.com>
12161 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
12162 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
12163 * tree-vectorizer.c (vect_loop_location): New.
12164 (vect_print_dump_info): Use vect_loop_location.
12165 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
12166 (vectorize_loops): Set vect_loop_location.
12167 * tree-vect-analyze.c (vect_analyze_offset_expr,
12168 vect_determin_vectorization_factor, vect_analyze_operations,
12169 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
12170 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
12171 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
12172 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
12173 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
12174 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
12175 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
12176 vect_analyze_loop): Adjust vect_print_dump_info API.
12177 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12178 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
12179 vect_finish_stmt_generation, vectorizable_assignment,
12180 vectorizable_operation, vectorizable_store, vectorizable_load,
12181 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
12182 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
12183 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
12184 vect_transform_loop): Same.
12185 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
12186 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
12189 2005-07-05 Randolph Chung <tausq@debian.org>
12191 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
12192 * configure: Regenerate.
12193 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
12194 (pa_tls_referenced_p): Declare.
12195 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
12196 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
12197 (legitimize_tls_address): New.
12198 (hppa_legitimize_address): Handle TLS addresses.
12199 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
12200 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
12201 (emit_move_sequence): Handle TLS addresses.
12202 (pa_encode_section_info): Call default handler to handle common
12204 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
12205 (CONSTANT_ADDRESS_P): Reject TLS operands.
12206 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
12207 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
12208 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
12209 (UNSPEC_TLSLE): Define new constants.
12210 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
12211 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
12212 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
12213 (tie_symbolic_operand, tle_symbolic_operand): New
12215 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
12217 * aclocal.m4: Update macros for autoconf 2.59 style.
12218 * configure.ac: Likewise.
12220 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12222 * pa.c (function_value): Handle small aggregates on 32-bit targets.
12223 (function_arg): Pass small aggregates in general registers on 32-bit
12225 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
12227 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
12229 * Makefile.in (final.o): Fix dependencies.
12231 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
12235 * langhooks.h (struct lang_hooks): Add expr_to_decl.
12236 * langhooks.c (lhd_expr_to_decl): New.
12237 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
12239 (LANG_HOOKS_INITIALIZER): Update.
12240 * tree.c (recompute_tree_invarant_for_addr_expr): Call
12241 expr_to_decl langhook.
12242 * c-tree.h (c_expr_to_decl): Declare.
12243 * c-typeck.c (c_expr_to_decl): New.
12244 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
12246 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
12248 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
12251 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
12252 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
12254 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
12256 * Makefile.in: Adjust dependencies.
12257 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
12258 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
12259 * alias.c (rest_of_handle_cfg, pass_cfg): New.
12260 * bb-reorder.c (duplicate_computed_gotos): Make it static.
12261 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
12262 rest_of_compilation.
12264 * bb-reorder.c (gate_duplicate_computed_gotos,
12265 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
12266 rest_of_handle_reorder_blocks, pass_reorder_blocks,
12267 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
12268 pass_partition_blocks): New.
12269 * bt-load.c (gate_handle_branch_target_load_optimize,
12270 rest_of_handle_branch_target_load_optimize,
12271 pass_branch_target_load_optimize): New.
12272 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
12274 * cfglayout.c (pass_insn_locators_initialize): New.
12275 * cfgrtl.c (pass_free_cfg): New.
12276 * combine.c (gate_handle_combine, rest_of_handle_combine,
12277 pass_combine): New.
12278 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
12279 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
12280 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
12281 * except.c (pass_set_nothrow_function_flags,
12282 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
12284 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
12285 rest_of_handle_shorten_branches, pass_shorten_branches,
12286 rest_of_clean_state, pass_clean_state): New.
12287 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
12288 rest_of_handle_remove_death_notes, pass_remove_death_notes,
12289 rest_of_handle_life, pass_life, rest_of_handle_flow2,
12291 * function.c (pass_instantiate_virtual_regs, pass_init_function,
12292 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
12293 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
12294 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
12296 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
12297 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
12298 pass_rtl_ifcvt, gate_handle_if_after_combine,
12299 rest_of_handle_if_after_combine, pass_if_after_combine,
12300 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
12301 pass_if_after_reload): New.
12302 * integrate.c (pass_initial_value_sets): New.
12303 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
12304 pass_purge_lineno_notes): New.
12305 * mode-switching.c (rest_of_handle_mode_switching,
12306 pass_mode_switching): New.
12307 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
12308 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
12310 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
12311 pass_loop_optimize): New.
12312 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
12314 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
12316 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
12317 pass_postreload_cse): New.
12318 * profile.c (gate_handle_profiling, pass_profiling,
12319 rest_of_handle_branch_prob, pass_branch_prob): New.
12320 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
12321 pass_split_before_regstack, gate_handle_split_before_regstack,
12322 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
12323 rest_of_handle_split_all_insns, pass_split_all_insns): New.
12324 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
12325 pass_stack_regs): New.
12326 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
12327 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
12328 pass_stack_adjustments): New.
12329 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
12330 pass_regrename): New.
12331 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
12332 pass_delay_slots, gate_handle_machine_reorg,
12333 rest_of_handle_machine_reorg, pass_machine_reorg): New.
12334 * rtl.h (extern void purge_line_number_notes): New.
12335 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
12336 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
12338 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
12340 * value-prof.c (gate_handle_value_profile_transformations,
12341 rest_of_handle_value_profile_transformations,
12342 pass_value_profile_transformations): New.
12343 * var-tracking.c (gate_handle_var_tracking,
12344 pass_variable_tracking): New.
12345 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
12347 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
12348 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
12349 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
12350 rest_of_handle_old_regalloc, rest_of_handle_regrename,
12351 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
12352 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
12353 rest_of_handle_gcse2, rest_of_handle_regmove,
12354 rest_of_handle_tracer, rest_of_handle_if_conversion,
12355 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
12356 rest_of_handle_web, rest_of_handle_branch_prob,
12357 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
12358 rest_of_handle_jump_bypass, rest_of_handle_combine,
12359 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12360 rest_of_handle_gcse, rest_of_handle_loop_optimize,
12361 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
12362 rest_of_handle_mode_switching, rest_of_handle_jump,
12363 rest_of_handle_eh, rest_of_handle_stack_adjustments,
12364 rest_of_handle_flow2, rest_of_handle_jump2,
12365 rest_of_handle_peephole2, rest_of_handle_postreload,
12366 rest_of_handle_shorten_branches, rest_of_clean_state,
12367 rest_of_compilation): Remove.
12369 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
12370 * passes.c (dump_flags, in_gimple_form, all_passes,
12371 all_ipa_passes, all_lowering_passes, register_one_dump_file,
12372 register_dump_files, next_pass_1, last_verified, execute_todo,
12373 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
12374 from tree-optimize.c.
12375 (init_optimization_passes): Moved from tree-optimize.c,
12376 adding the RTL optimizations.
12377 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
12378 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
12379 all_ipa_passes, all_lowering_passes, register_one_dump_file,
12380 register_dump_files, next_pass_1, last_verified, execute_todo,
12381 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
12382 init_tree_optimization_passes, ipa_passes): Delete.
12383 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
12385 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
12386 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
12388 (ipa_passes): Remove.
12389 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
12390 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
12391 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
12392 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
12393 (dump_info_p, dump_flag): Moved to tree-dump.h.
12395 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
12397 * passes.c (finish_optimization_passes): Use dump_begin
12398 and dump_end, TDI_end.
12399 (gate_rest_of_compilation): New.
12400 (pass_rest_of_compilation): Use it.
12401 (gate_postreload, pass_postreload): New.
12402 * toplev.c (general_init): Rename init_tree_optimization_passes.
12403 * toplev.h (init_tree_optimization_passes): Rename to
12404 init_optimizations_passes.
12405 * tree-dump.c (dump_flag): Make static.
12406 (dump_files): Remove RTL dumps.
12407 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
12408 pass_cleanup_cfg, pass_free_cfg_annotations,
12409 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
12410 pass_init_datastructures, pass_fixup_cfg): Make non-static.
12411 * tree-pretty-print.c: Include tree-pass.h.
12412 * cgraph.c: Include tree-dump.h.
12414 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
12416 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
12417 Only fall back to saying it points to readonly memory if
12418 we can't do better.
12420 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
12422 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
12423 * config/m32r/m32r.c (m32r_compute_frame_size,
12424 m32r_expand_prologue): Take current_function_profile into
12425 account whenever we reference
12426 current_function_uses_pic_offset_table.
12427 (m32r_finalize_pic): Remove.
12428 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
12430 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
12432 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
12433 instead of $<. Don't remove ./as if it already exists.
12435 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12438 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
12439 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
12440 for complex modes when generating code for PA 1.0.
12441 (VALID_FP_MODE_P): New macro.
12442 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
12443 sets for all general and floating point modes. Align wide floating
12444 point modes to even register boundaries to comply with architectural
12446 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
12447 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
12448 (VALID_FP_MODE_P): New macro.
12449 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
12450 sets for all general and floating point modes. Align wide floating
12451 point modes to even register boundaries to comply with architectural
12454 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12456 * tree-dump.c (dump_files): Initialize dump number for .cgraph
12459 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12461 * tree-ssa-structalias.c: Don't include expr.h.
12463 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12465 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
12468 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
12470 Fix PR tree-optimization/22279
12472 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
12475 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
12477 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
12479 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
12481 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
12482 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
12483 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
12484 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
12485 config/stormy16/stormy16.c, config/v850/v850.c,
12486 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
12487 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
12488 Avoid "." or "\n" at end of diagnostics and capital letters at
12489 start of diagnostics.
12490 * combine.c, cse.c: Don't translate dump file output.
12491 * toplev.c (print_version): Only translate output if going to
12494 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
12496 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
12497 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
12500 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12502 * pa.c (fix_range): Fix typo in comment.
12504 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
12506 * tree-vrp.c (extract_range_from_assert): Replace
12507 fold (build (...)) with fold_build2.
12509 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12511 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
12512 gcc_gfc_char_table, init_dynamic_gfc_info): New.
12513 (format_types_orig, handle_format_attribute): Add support for
12516 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
12518 * varasm.c (assemble_variable): Fix format specifier thinko.
12520 2005-07-03 Ira Rosen <irar@il.ibm.com>
12522 PR tree-optimization/22029 (and 22135)
12523 * tree-pretty-print.c (dump_generic_node): Check that the node is not
12524 a phi node before calling dump_vops.
12526 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
12528 * tree-dump.h (dump_string_field): Declare.
12529 * tree-dump.c: Use it instead of dump_string.
12530 (dump_string_field): Make non-static.
12532 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
12534 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
12535 up the minimal CFG stuff always when optimize > 0. Call
12536 split_all_insns_noflow in PIC case if needed.
12538 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
12539 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
12542 * c-decl.c (c_write_global_declarations): Dump contents of
12544 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12545 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12546 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12547 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12550 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
12552 * c-common.h (GCC_DIAG_STYLE): Define.
12553 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
12554 version for format checking to 4.1.
12555 * c-format.c: Include toplev.h after c-common.h.
12556 (enum format_type): Add gcc_tdiag_format_type.
12557 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12558 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12559 (format_types_orig): Add gcc_tdiag.
12560 (init_dynamic_diag_info): Support gcc_tdiag formats.
12561 (handle_format_attribute): Likewise.
12562 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12563 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
12564 version for format checking to 4.1.
12565 (warning0, warning, error, pedwarn, sorry): Use
12566 ATTRIBUTE_GCC_DIAG.
12567 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12568 (finish_aliases_1): Do not use %qE.
12569 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12570 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12571 Correct format bugs.
12572 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12573 parameter to unsigned HOST_WIDE_INT.
12574 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12576 2005-07-02 David Edelsohn <edelsohn@gnu.org>
12578 PR middle-end/21742
12579 * expr.c (write_complex_part): Use adjust_address for MEM.
12580 (read_complex_part): Same.
12582 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
12584 Fix PR tree-optimization/22280
12586 * tree-sra.c (generate_element_init): Remove useless loop.
12588 2005-07-02 Richard Henderson <rth@redhat.com>
12590 * config/alpha/alpha.c (alpha_legitimize_address): Check for
12592 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12594 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
12596 PR middle-end/14490
12597 * fold-const.c (fold_binary): Handle the return value of
12598 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12599 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12601 2005-07-02 Jeff Law <law@redhat.com>
12603 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12604 a eliminate type conversion which feeds an equality comparison
12605 if the original type or either operand in the comparison is a
12608 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
12610 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12611 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12613 * config/avr/avr.c: Do not use '`' as left quote.
12614 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12615 Remove "." from end of diagnostics. Make diagnostics start with
12618 2005-07-02 Zack Weinberg <zack@codesourcery.com>
12619 Joseph S. Myers <joseph@codesourcery.com>
12621 * toplev.c (default_tree_printer): Handle setting location with
12623 * c-objc.common.c (c_tree_printer): Likewise.
12624 * c-format.c (gcc_diag_flag_specs): Add '+'.
12625 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12626 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12628 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12629 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12630 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12631 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12632 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12633 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
12634 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
12635 format arguments where %J is used without %D.
12637 2005-07-02 Jakub Jelinek <jakub@redhat.com>
12639 * gcc.c (LINK_SSP_SPEC): Define.
12640 (link_ssp_spec): New variable.
12641 (LINK_COMMAND_SPEC): Add %(link_ssp).
12642 (static_specs): Add link_ssp_spec.
12643 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12644 * configure: Rebuilt.
12645 * config.in: Rebuilt.
12647 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12648 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12649 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12650 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12651 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12652 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12653 -0x7008(2) instead of reading __stack_chk_guard variable.
12654 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12656 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12657 (stack_protect_set, stack_protect_test): Use *_tls* patterns
12658 if TARGET_THREAD_SSP_OFFSET is defined.
12659 (stack_tls_protect_set_si, stack_tls_protect_set_di,
12660 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12663 2005-06-27 Richard Henderson <rth@redhat.com>
12664 * libgcc-std.ver (GCC_4.1.0): New.
12665 * libgcc.h (__stack_chk_guard): Declare.
12666 (__stack_chk_fail, __stack_chk_fail_local): Declare.
12667 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12668 * mklibgcc.in (lib2funcs): Add them.
12670 2005-07-01 Richard Henderson <rth@redhat.com>
12672 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12673 void * before struct sigcontext *.
12674 (x86_fallback_frame_state): Likewise.
12676 2005-07-01 James E. Wilson <wilson@specifixinc.com>
12678 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12680 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12683 * tree-ssa-reassoc.c (should_transpose): Fix which operand
12684 we check for SSA_NAME for.
12686 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
12688 Fix PR tree-optimization/22071
12690 * tree-ssa-structalias.c (offset_overlaps_with_access): New
12692 (get_constraint_for_component_ref): Use it.
12694 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12697 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12698 print out the last new line.
12700 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
12702 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12703 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12704 * config/cris/cris.c (cris_conditional_register_usage): Adjust
12705 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12706 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12707 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12708 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12709 (enum reg_class): New member CC0_REGS.
12710 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12711 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12712 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12713 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12714 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12715 Adjust for register now described.
12717 2005-07-01 Jakub Jelinek <jakub@redhat.com>
12720 * config/i386/i386.md (stack_protect_test_si,
12721 stack_protect_test_di): Add earlyclobber for scratch 3.
12722 * config/rs6000/rs6000.md (stack_protect_testsi,
12723 stack_protect_testdi): Add earlyclobber for scratch 3,
12724 remove earlyclobber from scratch 4.
12726 Older entries for 2005 can be found in ChangeLog-2005.