1 2005-12-21 Steven Bosscher <stevenb@suse.de>
3 PR rtl-optimization/25130
4 * postreload-gcse.c (record_last_set_info): Notice stack pointer
5 changes in push insns without REG_INC notes.
7 2005-12-21 Kazu Hirata <kazu@codesourcery.com>
9 PR tree-optimization/25382.
10 * tree-vrp.c (extract_range_from_binary_expr): Extract a range
13 2005-12-21 Janis Johnson <janis187@us.ibm.com>
14 Ben Elliston <bje@au.ibm.com>
16 * configure.ac: Enable C extension for decimal float if invoked
17 with --enable-decimal-float.
18 * doc/install.texi (Configuration): Document it.
19 * configure, config.in: Regenerate.
21 2005-12-20 Mike Stump <mrs@apple.com>
23 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Handle the
24 ambiguity between -seg_addr_table and -seg_addr_table_filename.
25 (WORD_SWITCH_TAKES_ARG): Likewise.
26 (LINK_SPEC): Likewise.
28 2005-12-20 Kenneth Zadeck <zadeck@naturalbridge.com>
30 * cfganal.c (flow_reverse_top_sort_order_compute):
31 Renamed to post_order_compute and additional parameter added which
32 allows the inclusion of entry and exit blocks into list.
33 (mark_dfs_back_edges): Fixed comment.
34 (flow_depth_first_order_compute): Renamed to
35 pre_and_rev_post_order_compute additional parameter added which
36 allows the inclusion of entry and exit blocks into list.
37 * global.c (set_up_bb_rts_numbers): Call to
38 flow_reverse_top_sort_order_compute renamed to
40 * var-tracking.c (vt_stack_adjustments): Fixed comment.
41 (vt_find_locations): Call to
42 flow_depth_first_order_compute renamed to
43 pre_and_rev_post_order_compute.
44 * cfgloop.c (flow_find_loops): Ditto.
45 * tree-ssa-reassoc.c (init_reassoc): Ditto.
46 * df.c (df_analyze_1, df_analyze_subcfg): Calls to
47 flow_reverse_top_sort_order_compute renamed to post_order_compute
48 and calls to flow_reverse_top_sort_order_compute renamed to
50 * basic_block.h: Ditto.
53 2005-12-20 Roger Sayle <roger@eyesopen.com>
54 Paolo Bonzini <bonzini@gnu.org>
56 PR rtl-optimization/25115
57 * gcse.c (pre_insert_copy_insn): Fall back to the sole
58 SET in the insn if there is no SET for an
59 expression that is equivalent to EXPR.
61 2005-12-20 Richard Guenther <rguenther@suse.de>
64 * builtins.c (std_gimplify_va_arg_expr): Do not align
65 va frame for zero sized types.
66 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
68 2005-12-20 Kazu Hirata <kazu@codesourcery.com>
70 PR tree-optimization/25501
71 * tree-cfgcleanup.c (merge_phi_nodes): Check that RESULT is
72 used in the PHI argument corresponding to the edge from BB to
75 2005-12-20 Richard Guenther <rguenther@suse.de>
78 2005-12-02 Richard Guenther <rguenther@suse.de>
80 * tree-cfg.c (mark_used_vars): New function.
81 (dump_function_to_file): Dump only used VAR_DECLs.
83 2005-12-19 Roger Sayle <roger@eyesopen.com>
85 * combine.c (try_combine): Improve splitting of binary operators
86 by taking advantage of reassociative transformations.
88 2005-12-19 Jeff Law <law@redhat.com>
90 * tree-ssa-dom.c (thread_across_edge): Do not use local_fold.
91 Strip away all type conversions after simplifying the
94 * tree-cfgcleanup.c (merge_phi_nodes): Allow merging in some
95 cases the forwarder block dominates the destination.
97 2005-12-19 DJ Delorie <dj@redhat.com>
99 * reload1.c (spill_failure): Dump reload data to dump file.
100 (find_reload_regs): Likewise.
102 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
104 PR tree-optimization/24793
105 * tree-ssa-loop-ivopts.c (get_ref_tag): Remember the
106 original reference if there are subvars.
107 * tree-ssa-operands.c (get_tmr_operands): Handle subvars.
109 2005-12-19 Kenneth Zadeck <zadeck@naturalbridge.com>
111 * df.c (df_analyze_1, df_analyze_subcfg, iterative_dataflow):
112 Corrected basic block number calculations for changes in entry and
115 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
117 * tree-flow.h (struct var_ann_d): Change type of
118 may_aliases field to VEC(tree, gc) *.
119 (may_aliases): Declaration changed.
120 * tree-ssa-alias.c (group_aliases, add_may_alias,
121 replace_may_alias, dump_may_aliases_for,
122 is_aliased_with, add_type_alias, new_type_alias):
123 Work with VEC(tree, gc) * instead of varray.
124 * tree-flow-inline.h (may_aliases): Ditto.
125 * tree-ssa.c (verify_flow_insensitive_alias_info,
126 verify_name_tags): Ditto.
127 * tree-ssa-operands.c (add_stmt_operand): Ditto.
129 2005-12-19 J"orn Rennecke <joern.rennecke@st.com>
131 * cfgcleanup.c: Temporarily revert patches for PR 20070 till Bernd
134 2005-12-19 J"orn Rennecke <joern.rennecke@st.com>
136 * struct-equiv.c (struct_equiv_improve_checkpoint): Fix sets_cc0_p
139 2005-12-19 Ben Elliston <bje@au.ibm.com>
141 * doc/install.texi (Configuration): Typo in Fortran subheading.
143 2005-12-19 Nathan Sidwell <nathan@codesourcery.com>
145 * config/mt/mt.md (decrement_and_branch_until_zero): Add another
146 scratch. Correct its reload split. Adjust its peephole.
147 (doloop_end): Add additional scratch.
149 * config/mt/mt.c (MT_INT_ARG_FIRST): Remove.
150 (mt_asm_output_opcode, mt_print_operand): Use 'nop'.
151 (mt_function_arg_slotno): Use FIRST_ARG_REGNUM.
152 (mt_builtin_saveregs): Replace with ...
153 (mt_setup_incoming_varargs): ... here. Save just the varadic
155 (mt_va_start): Remove.
156 (mt_reorg_hazard): Ignore USE insns. Don't call set_noop_p.
157 (mt_machine_reorg): Split all insns here.
158 (TARGET_SETUP_INCOMING_VARARGS): Override.
159 * config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only.
161 (EXPAND_BUILTIN_VA_START): Remove.
163 2005-12-17 Kenneth Zadeck <zadeck@naturalbridge.com>
165 * flow.c (update_life_info, count_or_remove_death_notes): Fixed
166 latent bug that could happen if update_life_info was called with a
167 blocks parameter and the call to cleanup_cfg actually deleted one
170 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
172 * tree-ssa-structalias.c (update_alias_info): Remove handling
173 of may_be_aliased (SSA_NAME_VAR (op)) case.
175 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
177 * tree-flow.h (struct stmt_ann_d): Remove
178 makes_aliased_loads and makes_aliased_stores fields.
179 * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores
180 and makes_aliased_loads fields.
181 * tree-ssa-dom.c (eliminate_redundant_computations): Do not
182 use makes_aliased_stores.
183 * tree-ssa-operands.c (clobbered_aliased_loads,
184 clobbered_aliased_stores, ro_call_aliased_loads): Removed.
185 (build_ssa_operands, add_stmt_operand, add_call_clobber_ops,
186 add_call_read_ops): Do not set makes_aliased_stores and
187 makes_aliased_loads fields.
188 * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores
191 2005-12-18 Geoffrey Keating <geoffk@apple.com>
193 * config/darwin.h: Don't include darwin-sections.def to declare
194 global variables; instead create darwin_section_enum.
195 (darwin_section_enum): New.
196 (darwin_sections): New.
197 * config/darwin.c: Don't include darwin-sections.def to define
199 (darwin_sections): New.
200 (output_objc_section_asm_op): Rewrite to take advantage of
202 (darwin_init_sections): Rewrite to use darwin_sections.
203 (machopic_output_indirection): Update for darwin_sections array.
204 (machopic_select_section): Likewise.
205 (machopic_select_rtx_section): Likewise.
206 (machopic_asm_out_constructor): Likewise.
207 (machopic_asm_out_destructor): Likewise.
208 (darwin_file_end): Likewise.
209 * config/rs6000/rs6000.c (machopic_output_stub): Likewise.
210 * config/i386/i386.c (machopic_output_stub): Likewise.
212 2005-12-18 Richard Guenther <rguenther@suse.de>
214 PR tree-optimization/25481
215 * tree-ssa-structalias.c (handle_ptr_arith): Handle accesses we
216 don't have a varinfo for.
218 2005-12-18 Jon Grimm <jgrimm2@us.ibm.com>
219 Janis Johnson <janis187@us.ibm.com>
220 Ben Elliston <bje@au.ibm.com>
222 * optabs.c (init_floating_libfuncs): Handle decimal float modes.
223 (init_optabs): Handle libfuncs for decimal float.
224 * genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
225 * stor-layout.c (int_mode_for_mode): Likewise.
226 * simplify-rtx.c (simplify_immed_subreg): Likewise.
227 (simplify_unary_operation_1): Skip optimisations for decimal float
229 * varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
230 * emit-rtl.c (gen_const_vector): Add assertion check.
231 (init_emit_once): Populate const_tiny_rtx with constants in each
233 * expmed.c (extract_high_half, expand_mult_highpart_optab,
234 expand_mult_highpart): Assert that mode is not a scalar float
236 * expr.c (convert_move): Handle conversion between decimal and
237 binary floats of the same size.
238 * convert.c (convert_to_real): Consider decimal float types when
240 * dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
241 describe decimal floating point types.
243 2005-12-18 Ulrich Weigand <uweigand@de.ibm.com>
245 PR rtl-optimization/21041
246 * reload.c (find_reloads_subreg_address): Replace paradoxical
247 subreg of MEM by widened access only if the resulting memory
248 is properly aligned, even on !STRICT_ALIGNMENT targets.
250 2005-12-18 Andreas Krebbel <krebbel1@de.ibm.com>
252 * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.
254 2005-12-18 Steven Bosscher <stevenb@suse.de>
256 * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
257 the 2005-12-17 patch to renumber the entry and exit blocks.
259 2005-12-18 Gabriel Dos Reis <gdr@integrable-solutions.net>
261 * doc/objc.texi (Type encoding): Fix typo.
263 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
265 * tree-tailcall.c (find_tail_calls): Use XNEW.
266 * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
267 (free_all_edge_infos): Use explicit cast to convert from void *.
268 (vrp_free): Likewise.
269 (dom_opt_finalize_block): Likewise.
270 (record_equivalences_from_incoming_edge): Likewise.
271 (thread_across_edge): Likewise. Use XCNEWVEC.
272 (record_cond): Use XCNEW.
273 (record_conditions): Use XNEWVEC.
274 (record_edge_info): Use XCNEWVEC.
275 (lookup_avail_expr): Use XNEW.
276 (record_range): Likewise. Use GGC_NEW.
277 * tree-nested.c (var_map_hash): Use explicit cast to convert from
279 (var_map_eq): Likewise.
280 (lookup_field_for_decl): Likewise.
281 (convert_nonlocal_reference): Likewise.
282 (convert_local_reference): Likewise.
283 (convert_nl_goto_reference): Likewise.
284 (convert_nl_goto_receiver): Likewise.
285 (convert_call_expr): Likewise.
286 (convert_tramp_reference): Likewise.
287 (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
288 (convert_nl_goto_reference): Likewise.
289 (lookup_field_for_decl): Use GGC_NEW.
290 (create_nesting_tree): Use GGC_CNEW.
291 * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
292 * tree-ssa-alias.c (init_alias_info): Use XCNEW.
293 (create_alias_map_for): Likewise.
294 (setup_pointers_and_addressables): Use XCNEWVEC.
295 (get_ptr_info): Use GGC_NEW.
296 (used_part_map_eq): Use explicit cast to convert from void *.
297 (up_lookup): Likewise.
298 (up_insert): Use XNEW.
299 (get_or_create_used_part_for): Use XCNEW.
300 (get_tmt_for): Likewise.
301 * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
302 * tree-ssa-pre.c (phi_trans_add): Use XNEW.
303 (bitmap_set_new): Use explicit cast to convert from void *.
305 (insert_into_set): Likewise.
306 (pool_copy_list): Likewise.
307 (phi_translate): Likewise.
308 (create_value_expr_from): Likewise.
309 (insert_aux): Use XCNEWVEC.
310 (compute_avail): Use XNEWVEC.
311 * tree-ssa-live.c (calculate_live_on_entry): Likewise.
312 (sort_coalesce_list): Likewise.
313 (build_tree_conflict_graph): Use XCNEWVEC.
314 * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
315 * tree-ssa-copy.c (init_copy_prop): Likewise.
316 (fini_copy_prop): Likewise.
317 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
319 (record_equiv): Use XNEW.
320 (uncprop_into_successor_phis): Use explicit cast to convert from
322 (uncprop_initialize_block): Likewise.
324 2005-12-18 Dorit Nuzman <dorit@il.ibm.com>
326 PR tree-optimization/24378
327 * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
328 basic-block after loop-versioning.
330 2005-12-18 Jeff Law <law@redhat.com>
332 * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
333 to simplify SWITCH_EXPR_CODE moved from here to ...
334 * tree-ssa-forwprop.c (simplify_switch_expr): Here.
335 (tree-ssa-forward_propagate_single_use_vars): Call
336 simplify_switch_expr when appropriate.
338 2005-12-17 Andrew Pinski <pinskia@physics.uc.edu>
340 * doc/objc.texi (Type encoding): Add documentation about encoding
341 complex types and _Bool.
343 2005-12-17 Paul Brook <paul@codesourcery.com>
345 * config/m68k/m68k.md (m68k_output_function_prologue): Always call
346 dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
347 when frame_pointer_needed.
349 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
351 * tree-vn.c (vn_add): Use XNEW.
352 * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
353 (ccp_fold): Likewise.
354 (fold_stmt_r): Use explicit cast to convert from void *.
355 * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
356 (new_temp_expr_table): Likewise.
357 * gimplify.c (lookup_tmp_var): Use XNEW.
358 (gimplify_asm_expr): Use explcit cast to convert from void *.
359 * tree-into-ssa.c (get_ssa_name_ann): Likewise.
360 (get_def_blocks_for): Use XNEW.
361 (add_to_repl_tbl): Likewise.
362 (mark_def_sites): Use explicit cast to convert from void *.
363 (def_blocks_free): Likewise.
364 (mark_def_sites_initialize_block): Likewise.
365 (update_ssa): Use XNEWVEC.
366 * tree-dfa.c (create_var_ann): Use GGC_NEW.
367 (create_stmt_ann): Likewise.
368 (create_tree_ann): Likewise.
369 (referenced_var_insert): Likewise.
370 (set_default_def): Likewise.
371 (referenced_var_lookup_if_exists): Use explicit cast to convert
373 (referenced_var_lookup): Likewise.
374 (default_def): Likewise.
375 (set_default_def): Likewise.
376 * tree-cfg.c (create_bb): Likewise.
377 (edge_to_cases_cleanup): Likewise.
378 (verify_node_sharing): Likewise.
379 (record_switch_edge): Use XNEW.
380 (cleanup_dead_labels): Use XCNEWVEC.
381 (tree_duplicate_sese_region): Use XNEWVEC.
382 * tree-scalar-evolution.c (get_instantiated_value): Likewise.
383 * tree-ssa.c (verify_ssa): Use XCNEWVEC.
384 (int_tree_map_eq): Use explicit cast to convert from void *.
385 * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
386 (__gcov_execl): Likewise.
387 (__gcov_execlp): Likewise.
388 (__gcov_execle): Likewise.
389 * tree-eh.c (struct_ptr_eq): Likewise.
390 (struct_ptr_hash): Likewise.
391 (lookup_stmt_eh_region_fn): Likewise.
392 (outside_finally_tree): Likewise.
393 (find_goto_replacement): Likewise.
394 (make_eh_edge): Likewise.
395 (mark_eh_edge): Likewise.
396 (add_stmt_to_eh_region_fn): Use GGC_NEW.
397 (record_in_finally_tree): Use XNEW.
398 (maybe_record_in_goto_queue): Use XRESIZEVEC.
399 (lower_try_finally_copy): Use XCNEWVEC.
401 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
403 * tree-inline.c (copy_body_r): Use explicit cast when converting
406 (copy_edges_for_bb): Likewise.
407 (remap_decl_1): Likewise.
408 (estimate_num_insns_1): Likewise.
409 * cgraph.c (hash_node): Use explicit cast when converting from
412 (cgraph_create_node): Use GGC_CNEW.
413 (cgraph_create_edge): Use GGC_NEW.
414 (cgraph_remove_node): Use explicit cast when converting from void *.
415 (hash_varpool_node): Likewise.
416 (eq_varpool_node): Likewise.
417 (cgraph_varpool_node): Use GGC_CNEW.
418 * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
419 * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
420 (eq_scev_info): Use explicit cast when converting from void *.
421 (find_var_scev_info): Likewise.
422 (set_instantiated_value): Likewise.
423 (gather_stats_on_scev_database_1): Likewise.
424 * cfgloop.h (simple_loop_desc): Use explicit cast when converting
426 * c-pch.c (c_common_write_pch): Use XNEWVEC.
427 (c_common_read_pch): Likewise.
428 * prefix.c (save_string): Use XNEWVEC.
429 (translate_name): Use explicit cast when converting from void *.
430 * c-ppoutput.c (print_line): Use explicit cast when converting
432 (pp_dir_change): Likewise.
433 * c-cppbuiltin.c (builtin_define_std): Likewise.
434 (builtin_define_with_value): Likewise.
435 (builtin_define_with_value_n): Likewise.
436 (builtin_define_with_int_value): Likewise.
437 (builtin_define_type_max): Likewise.
438 * c-incpath.c (add_env_var_paths): Use XNEWVEC.
439 (add_path): Use XNEW.
440 * c-format.c (check_format_info_main): Use GGC_NEW.
441 (format_type_warning): Use explicit cast when converting from void *.
442 * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
444 (start_init): Likewise.
445 * tree-flow-inline.h (first_referenced_var): Use explicit cast
446 when converting from void *.
447 (next_referenced_var): Likewise.
448 * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
449 * gensupport.c (lookup_predicate): Use explicit cast to convert
451 (init_predicate_table): Use XCNEW instead of xcalloc.
452 * genpreds.c (process_define_predicate): Likewise.
454 2005-12-17 Danny Berlin <dberlin@dberlin.org>
455 Kenneth Zadeck <zadeck@naturalbridge.com>
457 * basic-block.h: Changed basic block numbering so that the entry
458 block is 0 and the exit block is 1. Changed insn iterators so
459 that they are tolerant of blocks with no insns.
460 * regrename.c (copyprop_hardreg_forward): Changed basic block
461 numbering so that the entry block is 0 and the exit block is 1.
462 * sched-ebb.c (sehedule_ebbs): Ditto.
463 * tracer.c (branch_ratio_cutoff): Ditto.
464 * cfgloopmanip.c (fix_loop_structure): Ditto.
465 * cfghooks.c (verify_flow_info): Ditto.
466 * cfg.c (compact_blocks): Ditto.
467 * reorg.c (dbr_schedule): Ditto.
468 * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
469 * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
470 calculate_dominance_info): Ditto.
471 * cfganal.c (create_edge_list, print_edge_list,
472 flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
473 flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
474 dfs_enumerate_from): Ditto.
475 * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
476 * ifcvt.c (find_if_case_2): Ditto.
477 * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
478 find_basic_blocks): Ditto.
479 * predict.c (predict_loops, tree_bb_level_predictions,
480 predict_paths_leading_to, propagate_freq): Ditto.
481 * lcm.c (compute_antinout_edge, compute_laterin,
482 compute_available): Ditto.
483 * function.c (thread_prologue_and_epilogue_insns): Ditto.
484 * gcse.c (gcse_main, bypass_jumps): Ditto.
485 * profile.c (compute_branch_probabilities,
486 compute_value_histograms, branch_prob): Ditto.
487 * tree-flow-inline.h (bsi_start, bsi_after_labels,
489 * tree-ssa-phiopt.c (tree_ssa_phiopt,
490 blocks_in_phiopt_order): Ditto.
491 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
492 compute_out, link_btr_uses, migrate_btr_defs): Ditto.
493 * tree-dfa.c (collect_dfa_stats): Ditto.
494 * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
495 * cfglayout.c (fixup_reorder_chain): Ditto.
496 * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
497 partition_hot_cold_basic_blocks): Ditto.
498 * var-tracking.c (vt_find_locations): Ditto.
499 * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
500 * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
501 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
502 label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
503 * tree-ssa-reassoc.c (init_reassoc): Ditto.
504 * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
505 rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
506 * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
507 and removed unused reverse orders.
509 * combine.c: Fix document typo.
511 2005-12-17 Jan Hubicka <jh@suse.cz>
513 * tree-flow-inline.h (set_default_def, default_def): Kill.
514 * tree-dfa.c (default_defs): New global variable.
515 (default_def, set_default_def): New functions.
516 * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
517 * tree-flow.h (struct var_ann_d): Kill default_def field.
518 (set_default_def, default_def): Update prototype.
519 (default_defs): Declare.
521 2005-12-16 Jeff Law <law@redhat.com>
523 * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
524 (simplify_rhs_and_lookup_avail_expr): Kill. Remnants moved
525 into tree-ssa-forwprop.c.
526 (eliminate_redundant_computations): Do not call
527 simplify_rhs_and_lookup_avail_expr anymore.
528 * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
529 extracted from remnants of simplify_rhs_and_lookup_avail_expr.
530 (tree_ssa_forward_propagate_single_use_vars): Call
531 simplify_not_neg_expr appropriately.
533 2005-12-16 Bernd Trog <berndtrog@yahoo.com>
536 * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
538 2005-12-17 Kazu Hirata <kazu@codesourcery.com>
540 PR rtl-optimization/25456
541 * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
542 info->x_start with p->x_start.
544 2005-12-17 Alan Modra <amodra@bigpond.net.au>
546 * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
547 introduced 2005-12-16.
549 2005-12-16 Steven Bosscher <stevenb@suse.de>
551 PR rtl-optimization/23837
552 * optabs.c (expand_binop): For a multi-word rotate, never emit
553 a REG_NO_CONFLICT block.
555 2005-12-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
558 * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
561 * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
564 2005-12-16 Steven Bosscher <stevenb@suse.de>
566 * loop-invariant.c (move_loop_invariants): Add missing hunk from
567 the previous patch, to nullify df.
569 2005-12-16 Steven Bosscher <stevenb@suse.de>
571 * reorg.c (mostly_true_jump): Clean up code depending on
572 LABEL_OUTSIDE_LOOP_P and loop notes. Remove code doing
573 poor man's branch prediction, instead rely on REG_BR_PROB
574 notes to be available.
576 2005-12-16 Jakub Jelinek <jakub@redhat.com>
578 PR rtl-optimization/24899
579 * loop.c (strength_reduce): Don't reduce giv that is not always
580 computable and where add_val or mult_val can trap.
582 * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
584 2005-12-16 Nathan Sidwell <nathan@codesourcery.com>
586 * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
587 names of ms1-16-002 files.
589 2005-12-16 Alan Modra <amodra@bigpond.net.au>
592 * gcc.c (for_each_path): New function.
593 (add_to_obstack, file_at_path): New functions.
594 (struct file_at_path_info, struct add_to_obstack_info): New.
595 (build_search_list): Rewrite using for_each_path. Constify struct
596 path_prefix pointer. Add do_multi param. Adjust all callers.
597 (find_a_file): Similarly, but just change existing param to bool.
598 (putenv_from_prefixes): Add do_multi param, make "paths" const.
599 (do_spec_path): Delete.
600 (struct spec_path_info): New.
601 (spec_path): New function.
602 (do_spec_1): Use for_each_path for %D and %I.
603 (find_file): Adjust for find_a_file changes.
604 (main): Search multilibs for specs. Print multilib lib path for
605 -print-search-dirs. Likewise add multilibs to LIBRARY_PATH_ENV.
606 (read_specs): Search multilibs for %include and %include_noerr.
607 (is_directory): Remove second string param. Change last param
608 to a bool. Don't use concat. Remove SMALL_ARG_MAX test, always
609 check path is a dir. Update all callers.
610 * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
611 * system.h (SMALL_ARG_MAX): Poison.
612 * config.gcc: Don't define SMALL_ARG_MAX.
613 * config.host: Likewise.
614 * config.build: Likewise.
616 2005-12-16 Paolo Bonzini <bonzini@gnu.org>
618 * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
619 FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
620 ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
621 simplify_logical): Move simplifications that do not require
622 additional infrastructure...
623 * simplify-rtx.c (simplify_unary_operation_1,
624 simplify_binary_operation_1): ... here.
626 2005-12-16 Andreas Krebbel <krebbel1@de.ibm.com>
629 * flow.c (mark_used_dest_regs): New function.
630 (mark_used_regs): Call mark_used_dest_regs.
632 2005-12-16 Jeff Law <law@redhat.com>
634 * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
635 represent a use and definition of the same SSA_NAME.
637 2005-12-16 Jon Grimm <jgrimm2@us.ibm.com>
638 Janis Johnson <janis187@us.ibm.com>
639 Ben Elliston <bje@au.ibm.com>
641 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
642 (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
643 * target.h (struct gcc_target): Add decimal_float_supported_p.
644 * targhooks.c (default_scalar_mode_supported_p): Handle
646 * builtins.def: Add new builtins for 32, 64 and 128 bit variants
647 of inf, nan, finite, isinf and isnan.
648 * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
649 BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
650 BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
651 BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
652 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
653 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
654 BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
655 * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
656 Pedwarn if decimal floating point types are used. Error if
657 decimal floating point is not supported by the target.
658 (finish_declspecs): Return type from DFP typespec_word.
659 * c-typeck.c (c_common_type): Choose the decimal floating point
660 type with the greater precision when determining a common type.
661 (convert_arguments): Warn if there is a mismatch between argument
662 and prototype for decimal float types. Warn of conversions with
663 binary float types and of precision narrowing due to prototype.
664 * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
665 (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
666 (c_token_starts_declspecs): Likewise.
667 (c_parser_attributes): Likewise.
668 * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
669 RID_DFLOAT64, RID_DFLOAT128.
670 (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
671 * c-common.c (c_common_type_for_mode): Handle decimal float modes.
672 (shorten_compare): Convert DFP/BFP operands to a common type.
673 (c_common_modes_and_builtins): Register built-in decimal float
674 types if the target supports them.
675 (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
676 * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
677 inf, nan, finite, isinf and isnan builtins.
678 * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
679 (builtin_define_float_constants): Assert non-decimal radix.
680 (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
681 Call builtin_define_decimal_float_constants for each type.
682 * c-lex.c (interpret_float): Decode decimal float types from CPP_N
683 flags. Use real_from_string3, which can handle binary or decimal
685 * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
686 cts_dfloat64, cts_dfloat128.
687 * tree.c (build_common_tree_nodes_2): Add decimal float types.
688 * tree.h (enum tree_index): Add new enumeration values
689 TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
690 TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
691 (dfloat32_type_node): New macro.
692 (dfloat64_type_node, dfloat128_type_node): Likewise.
693 (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
694 (dfloat128_ptr_type_node): Likewise.
695 * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
696 bit decimal floating point types with "df", "dd" and "dl".
697 * c-format.h (enum format_lengths): Add new enumeration values
698 FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
699 * c-format.c (printf_length_specs, scanf_length_specs): Add
700 entries for H, D, DD.
701 (print_char_table, scan_char_table): Use new entries.
702 (asm_fprintf_char_table, gcc_diag_char_table,
703 gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
705 * defaults.h (DECIMAL32_TYPE_SIZE): Define.
706 (DECIMAL64_TYPE_SIZE): Likewise.
707 (DECIMAL128_TYPE_SIZE): Likewise.
708 (TARGET_DEC_EVAL_METHOD): Likewise.
709 * doc/extend.texi (Decimal Float): New node.
710 (Constructing Calls): Document decimal float built-ins.
711 * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
712 * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
713 * ginclude/decfloat.h: New file.
715 2005-12-16 Alan Modra <amodra@bigpond.net.au>
717 * reload.c (find_reloads): Fix comment typo.
718 * recog.h (recog_memoized): Correct comment.
720 2005-12-16 Kazu Hirata <kazu@codesourcery.com>
722 * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
723 config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
724 reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
725 tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
726 * doc/invoke.texi, doc/tm.texi: Fix typos.
728 2005-12-16 Ben Elliston <bje@au.ibm.com>
730 * real.c (decimal_quad_format): Correct values for emin, emax.
732 2005-12-15 DJ Delorie <dj@redhat.com>
734 * config/m32c/predicates.md (m32c_psi_scale): New.
735 * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
736 * config/m32c/muldiv.md (mulpsi3): Support negative constants.
738 2005-12-16 Jan Hubicka <jh@suse.cz>
740 PR rtl-optimization/25224
741 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
744 2005-12-15 Zdenek Dvorak <dvorakz@suse.cz>
745 Steven Bosscher <stevenb@suse.de>
747 * loop-invariant.c (df): New global variable.
748 (find_defs, check_dependencies, find_invariant_insn, record_uses,
749 find_invariants_bb, find_invariants_body, find_invariants,
750 find_invariants_to_move, move_invariants, free_inv_motion_data,
751 move_single_loop_invariants, move_loop_invariants): Do not pass df in
754 2005-12-15 Jakub Jelinek <jakub@redhat.com>
756 * varasm.c (default_unique_section_1): Use special section
757 names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
759 2005-12-16 Ben Elliston <bje@au.ibm.com>
761 * doc/invoke.texi (Warning Options): Document -Walways-true being
764 2005-12-15 Joseph S. Myers <joseph@codesourcery.com>
767 * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
768 * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
769 __floatunditf): Use #error if type sizes don't match requirements
771 (__floatdisf, __floatdidf): Unify. Possibly use XFmode or TFmode
772 as wider floating-point type. Use #error if type sizes don't
773 match requirements of implementation. Avoid overflow in computing
774 Wtype_MAXp1_F * Wtype_MAXp1_F. When special casing conversion,
775 shift one more bit. Cast 1 to DWtype or UDWtype for shifting.
776 (__floatundisf, __floatundidf): Likewise.
777 * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
778 * config/ia64/ia64.c (ia64_init_libfuncs): Use
779 _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
780 TFmode-TImode conversions.
781 * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
783 2005-12-14 Craig Rodrigues <rodrigc@gcc.gnu.org>
785 * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
786 Use builtin_define_with_int_value() instead of
787 adding a new check for every new major FreeBSD version.
789 2005-12-14 Andrew Pinski <pinskia@physics.uc.edu>
791 * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
793 2005-12-15 Richard Sandiford <richard@codesourcery.com>
795 * config/arm/predicates.md (call_memory_operand): New.
796 * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
798 2005-12-15 Andrew Haley <aph@redhat.com>
800 * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
801 against prev_cache_entry == NULL when moving a cache entry to the
804 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
806 * config/mt/mt.c (mt_override_options): Require lower case
807 architectures. Revert accidental default to ms2.
808 * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
809 ENDFILE_SPEC): Require lower case architectures. Revert default
812 * doc/invoke.texi (MT Options): Rename and update.
813 * doc/md.texi (MorphoTech family): Rename and update.
815 2005-12-15 Olivier Hainque <hainque@adacore.com>
817 * stor-layout.c (layout_type): Don't complain about a too small
818 an array element type size compared to its alignment when the
821 2005-12-15 Jan Hubicka <jh@suse.cz>
824 * i386.c (classify_argument): Properly adjust offset of bitfield for
827 2005-12-15 Richard Sandiford <richard@codesourcery.com>
829 * final.c (final_scan_insn): Flip in_cold_section_p when changing
830 between the hot and cold sections. Use current_function_section
831 to get the new section.
832 * dwarf2out.c (output_line_info): Use in_cold_section_p to
833 determine whether we are assembling hot or cold code.
834 (secname_for_decl, dwarf2out_var_location): Likewise.
835 (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
836 * varasm.c (last_text_section): Delete.
837 (in_cold_section_p): New variable.
838 (hot_function_section): New function.
839 (current_function_section): Pass in_cold_section_p as the
840 reloc argument to select_section. Use it to decide between
841 unlikely_function_section and hot_function_section.
842 (assemble_start_function): Use switch_to_section. Set
843 in_cold_section_p instead of last_text_section.
844 (assemble_end_function): Use switch_to_section.
845 (switch_to_section): Don't set last_text_section.
846 * config/darwin/darwin.c (machopic_select_section): Trust the reloc
847 argument to make the right choice between hot and cold sections.
849 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
851 Second part of MS1->MT renaming
852 * config/mt/mt.md (doloop_end): Call mt_add_loop.
853 (movqi, movhi): Call mt_set_memflags.
854 (*movdf_internal): Call mt_split_words.
855 (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
857 (cmpsi): Store to mt_compare_op[01].
858 (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
859 bungt, bunle, bunlt): Call mt_emit_cbranch.
860 (prologue): Call mt_expand_prologue.
861 (epilogu): Call mt_expend_epilogue.
862 (eh_return): Call mt_expand_eh_return.
863 (eh_epilogue): Call me_emit_eh_epilogue.
864 (conditional_trap): Store to mt_compare_op[01].
865 * config/mt/crti.asm: Adjust comment.
866 * config/mt/crtn.asm: Adjust comment.
867 * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
868 (mt_compare_op0, mt_compare_op1): Renamed.
869 (current_frame_info, zero_frame_info): Adjust type.
870 (mt_ucmpsi3_libcall): Renamed.
871 (mt_flag_delayed_branch): Renamed.
872 (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
873 (mt_nops_required, mt_nop_reasons): Renamed.
874 (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
875 mt_debug_stack, mt_print_operand_simple_address,
876 mt_print_operand_address, mt_print_operand): Renamed, adjusted.
877 (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
878 mt_function_arg_advance, mt_arg_partial_bytes,
879 mt_pass_by_reference, mt_function_arg_boundary,
880 mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
881 mt_legitimate_address_p): Renamed, adjusted.
883 (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
884 mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
885 mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p,
886 mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
887 mt_expand_eh_return, mt_emit_eh_prologue,
888 mt_handl_interrupt_attribute): Renamed, adjusted.
889 (mt_attribute_table): Renamed, adjusted.
890 (mt_initial_elimination_offset, mt_generate_compare,
891 mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
892 mt_secondary_reload_class, mt_function_value, mt_split_words,
893 mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
894 mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
895 (mt_labels): Renamed.
896 (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
897 mt_machine_reorg): Renamed, adjusted.
898 (mt_attribute_table: Renamed.
899 (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
900 TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
901 TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
902 * config/mt/mt.opt (march): Set mt_cpu_string.
903 * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
904 (TARGET_CPU_CPP_BUILTINS): Adjust.
905 (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
907 (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
908 (MT_MIN_INT): Renamed.
909 (RETURN_ADDR_RTX): Adjust.
910 (struct mt_frame_info): Renamed.
911 (current_frame_info): Adjust type.
912 (INITIAL_ELIMINATION_OFFSET): Adjust.
913 (MT_NUM_ARG_REGS): Renamed.
914 (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
915 FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
916 LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
917 GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
918 FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
919 (mt_compare_op0, mt_compare_op1): Renamed.
920 * config/mt/mt-protos.h: Rename prototypes.
922 2005-12-15 Richard Guenther <rguenther@suse.de>
924 * tree-flow.h (okay_component_ref_for_subvars): Remove.
925 (get_ref_base_and_extent): Declare.
926 * tree-dfa.c (okay_component_ref_for_subvars): Remove.
927 (get_ref_base_and_extent): New function.
928 * tree-ssa-alias.c (find_used_portions): Use it.
929 * tree-ssa-structalias.c (get_constraint_for_component_ref):
931 * tree-ssa-operands.c (get_expr_operands): Likewise.
933 2005-12-15 Paolo Bonzini <bonzini@gnu.org>
935 * combine.c: Remove force_to_mode's fourth parameter.
936 (force_to_mode): Do not handle REG.
937 (canon_reg_for_combine): New.
938 (make_field_assignment): Use it where the removed argument was non-NULL.
940 2005-12-15 Alan Modra <amodra@bigpond.net.au>
943 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
944 error_mark_node. Make alignment params unsigned.
945 * config/rs6000/rs6000-protos.h
946 (rs6000_special_round_type_align): Update prototype.
947 (rs6000_machopic_legitimize_pic_address): Remove arg names.
949 2005-12-14 Ulrich Weigand <uweigand@de.ibm.com>
951 PR rtl-optimization/25310
952 * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
953 of the eliminable register when substituting into a PLUS.
955 2005-12-14 Jakub Jelinek <jakub@redhat.com>
958 * config/i386/i386.c (ix86_force_to_memory): Always use
959 SImode push for HImode in -m32.
960 (ix86_free_from_memory): Likewise.
962 2005-12-14 Richard Sandiford <richard@codesourcery.com>
964 * gcc/config/arm/arm.md: Provide a big-endian version of the
965 (zero_extend:SI (subreg:QI ...)) splitter.
967 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
969 * struct-equiv.c (note_local_live): Handle hard regs with different
972 2005-12-14 Jeff Law <law@redhat.com>
974 * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
975 to a structure containing state rather than a pointer to bool.
976 (case ARRAY_REF): New code to handle folding some array references.
977 (case ADDR_EXPR): Note when we are processing expressions found
978 within an ADDRE_EXPR.
979 (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
980 for state variables rather than just a pointer to a boolean.
981 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
982 handling of constant string references.
984 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
986 * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
987 ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
988 ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
989 Move other tst* patterns to retain partial order.
991 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
993 * config/s390/s390.md ("d0", "1"): New mode attributes.
994 ("<shift>di3", "<shift>si3"): Merge.
995 ("*<shift>di3_and", "*<shift>si3_and"): Merge.
996 ("ashrdi3", "ashrsi3"): Merge.
997 ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
998 ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
999 ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
1000 ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
1001 ("*ashrdi3", "*ashrsi3"): Merge.
1002 ("*ashrdi3_and", "*ashrsi3_and"): Merge.
1004 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
1006 * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
1007 ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
1008 ("*extendqidi2", "*extendqisi2") Merge.
1009 ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
1010 ("zero_extendhidi2", "zero_extendqidi2"): Merge.
1011 ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
1012 Move some patterns to retain partial ordering.
1014 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
1016 * config/s390/s390.md ("atype", "length"): Rewrite.
1017 ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
1019 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
1021 * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
1023 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
1025 * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
1026 PARALLELs with a mode.
1028 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
1030 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
1031 cond_expr parameter.
1033 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
1035 * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
1037 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
1041 * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
1044 * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
1046 2005-12-14 Jakub Jelinek <jakub@redhat.com>
1050 * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
1051 DECL_P, call get_section rather than get_named_section. Supply
1052 section flags to it.
1054 2005-12-14 Ben Elliston <bje@au.ibm.com>
1056 * c-common.c (c_common_truthvalue_conversion): Generalise warning
1057 for addresses converted to booleans; not just function addresses.
1058 * c-typeck.c (build_binary_op): Warn for address comparisons which
1059 can never be NULL (eg. func == NULL or &var == NULL).
1060 * common.opt (Walways-true): New option.
1061 * c-opts.c (c_common_handle_option): Set it with -Wall.
1062 * doc/invoke.texi: Document it.
1064 2005-12-13 Paul Brook <paul@codesourcery.com>
1066 * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
1067 __floatunsidf, __floatunsisf, __floatunsixf): New functions.
1069 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
1071 * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
1072 (EXTRA_MULTILIB_PARTS): Define.
1074 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
1076 PR rtl-optimization/20070 / part1
1077 * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
1078 count_or_remove_death_notes with kill == -1.
1079 (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
1080 registers if PROP_POST_REGSTACK is set.
1081 (mark_used_reg): Likewise.
1082 (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
1083 REG_UNUSED notes for stack regs.
1084 * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
1085 to match rtx_equiv_p machinery. Change caller.
1086 (outgoing_edges_match): Likewise.
1087 (try_crossjump_to_edge): Use struct_equiv_block_eq
1088 instead of flow_find_cross_jump.
1089 * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
1090 (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
1091 (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
1092 (STRUCT_EQUIV_MAX_LOCAL): Likewise.
1093 (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
1094 (insns_match_p): Update prototype.
1095 (flow_find_cross_jump): Remove prototype.
1096 (struct_equiv_block_eq, struct_equiv_init): Declare.
1097 (rtx_equiv_p, condjump_equiv_p): Likewise.
1098 * struct-equiv.c: Include reload.h.
1099 (IMPOSSIBLE_MOVE_FACTOR): Define.
1100 (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
1101 (struct_equiv_improve_checkpoint): Likewise.
1102 (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
1103 (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
1104 (struct_equiv_merge, find_dying_input): Likewise.
1105 (resolve_input_conflict, note_local_live): Likewise.
1106 (death_notes_match_p): Change parameters and processing
1107 to match rtx_equiv_p machinery. Change caller.
1108 (insns_match_p): Likewise.
1109 (flow_find_cross_jump): Replace with:
1110 (struct_equiv_block_eq).
1112 Back out this change:
1113 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
1114 * recog.c (verify_changes): Make it static.
1115 * recog.h: Remove the corresponding prototype.
1117 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
1119 * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
1122 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
1124 * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
1125 (MULTILIB_DIRNAMES): Add ms2. Prefix ms1 dirs with 'ms1'.
1126 * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
1127 TARGET_MS1_64_001 appropriately.
1128 (ms1_machine_reorg): Use TARGET_MS2.
1130 2005-12-13 Jakub Jelinek <jakub@redhat.com>
1134 * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
1135 and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
1136 Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
1137 * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
1138 Set mode to SI, adjust constraints.
1139 (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
1140 * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
1143 2005-12-13 Carlos O'Donell <carlos@codesourcery.com>
1145 * c-cppbuiltin.c (builtin_define_float_constants): Add
1146 fp_cast parameter, pass to builtin_define_with_hex_fp_value.
1147 Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
1148 (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
1149 (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
1150 to "((double)%sL)" otherwise "%s".
1152 2005-12-13 Paul Brook <paul@codesourcery.com>
1154 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
1157 2005-12-11 Rafael vila de Espndola <rafael.espindola@gmail.com>
1159 * tree-flow.h: Allow compilation with a C++ compiler.
1160 (struct edge_prediction): Prefix all field names with "ep_".
1161 * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
1162 (tree_predict_edge, combine_predictions_for_bb): Likewise.
1163 (remove_predictions_associated_with_edge): Likewise.
1165 2005-12-12 Jeff Law <law@redhat.com>
1167 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1169 * passes.c (init_optimization_passes): Run reassociation again
1170 after loop optimizations.
1172 2005-12-12 Daniel Berlin <dberlin@dberlin.org>
1174 * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
1176 (optimize_stmt): Ditto.
1177 (canonicalize_comparison): New function.
1178 * tree-ssa-operands.c (swap_tree_operands): Make external.
1179 (get_expr_operands): Stop auto-canonicalization.
1180 * tree-ssa-reassoc.c: Rewrite.
1181 (init_optimization_passes):
1182 * tree-flow.h (swap_tree_operands): Prototype.
1183 * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
1185 2005-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1187 * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
1188 indicate function epilogue has been output.
1189 (pa_asm_output_mi_thunk): Likewise.
1190 (output_deferred_plabels): Put plabels in readonly data section when
1191 not generating PIC code.
1192 (som_output_text_section_asm_op): Use .NSUBSPA to output debug
1193 information. Add assert.
1194 (som_output_comdat_data_section_asm_op): New function.
1195 (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
1196 instead of output_section_asm_op for COMDAT sections.
1198 2005-12-12 J"orn Rennecke <joern.rennecke@st.com>
1200 * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
1201 Fix whitespace in vincinity of to-be-installed changes.
1202 * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
1203 (insns_match_p): Likewise.
1205 2005-12-12 Nathan Sidwell <nathan@codesourcery.com>
1207 * config.gcc (ms1): Replace with ...
1209 * config/ms1: Rename to ...
1210 * config/mt: ... here. Rename ms1 files to mt.
1211 * config/mt/mt.c: Adjust gt-mt.h #include.
1212 * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
1213 (crti.o, crtn.o): Adjust file names.
1215 2005-12-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1217 * varray.h: Allow compilation with a C++ compiler.
1218 (union varray_data_tag): Prefix all field names with "vdt_".
1219 (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
1220 VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
1221 VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
1222 VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
1223 VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
1224 VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
1225 (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
1226 VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT,
1227 VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT,
1228 VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR,
1229 VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR,
1230 VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE,
1231 VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB,
1232 VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
1233 (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT,
1234 VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT,
1235 VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT,
1236 VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR,
1237 VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX,
1238 VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP,
1239 VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE,
1240 VARRAY_TOP_TREE_PTR): Likewise.
1241 * varray.c (varray_grow): Likewise.
1242 (varray_clear): Likewise.
1244 2005-12-12 Alan Modra <amodra@bigpond.net.au>
1247 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
1248 alignment to doubleword if the first field is a double array.
1249 * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
1251 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1253 * tree-ssa-structalias.c (process_constraint): Remove code to
1254 transform addressofs into scalar.
1255 (create_variable_info_for): In whole-program IPA, globals don't
1256 point to ANYTHING by default.
1258 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1260 * timevar.def (TV_IPA_PTA): New.
1261 * tree-pass.h (pass_ipa_pta): New
1262 * tree-ssa-structalias.c: Include cgraph.h
1264 (predbitmap_obstack): New.
1265 (EXECUTE_IF_IN_NONNULL_BITMAP): New.
1266 (struct constraint_stats): Add num_edges.
1267 (new_var_info): Don't call bitmap_clear.
1268 (struct constraint_edge): Update docs.
1269 (new_constraint_edge): Remove src param.
1270 (struct constraint_graph): Add zero_weight_succs,
1271 zero_weight_preds. Update docs.
1272 (constraint_expr_equal): Reformat.
1273 (constraint_edge_equal): Update for removal of src.
1274 (constraint_edge_less): Ditto.
1275 (constraint_edge_vec_find): Ditto.
1276 (erase_graph_self_edge): Update for removal of src and and zero
1278 (clear_edges_for_node): Ditto.
1279 (add_graph_edge): Ditto.
1280 (get_graph_weights): Ditto.
1281 (allocate_graph_weights): Ditto.
1282 (merge_graph_nodes): Ditto.
1283 (int_add_graph_edge): Ditto.
1284 (valid_graph_edge): Ditto.
1285 (valid_weighted_graph_edge): Ditto.
1286 (build_constraint_graph): Ditto.
1288 (collapse_nodes): Ditto.
1289 (process_unification_queue): Ditto.
1290 (topo_visit): Ditto.
1291 (solve_graph): Ditto.
1292 (do_structure_copy): Ditto.
1293 (perform_var_substitution): Ditto.
1294 Init and release obstack.
1295 (handle_ptr_arith): Try to resolve directly.
1296 (find_func_aliases): Don't call update_alias_info here
1297 Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
1298 (do_sd_constraint): Add code for propagating faster.
1300 (do_ds_constraint): Ditto.
1301 (count_num_arguments): New function.
1302 (create_function_info_for): Ditto.
1303 (create_variable_info_for): Handle FUNCTION_DECL.
1304 (intra_create_variable_infos): Use make_constraint_to_anything.
1305 (init_alias_vars): Init obstacks here.
1306 (need_to_solve): Handle zero weight graph changes.
1307 (compute_points_to_sets): Call update_alias_info here.
1308 (delete_points_to_sets): Free zero weight preds/succs here.
1309 (gate_ipa_pta): New.
1310 (ipa_pta_execute): New
1312 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1314 * tree-ssa-structalias.c (var_anyoffset): Removed.
1315 (anyoffset_tree): Ditto.
1316 (anyoffset_id): Ditto.
1317 (do_deref): Take vector of constraints, no return value.
1318 Update to work on vector.
1319 (get_constraint_for): Ditto.
1320 (get_constraint_for_component_ref): Ditto.
1321 (do_structure_copy): Ditto.
1322 (handle_ptr_arith): Ditto.
1323 (find_func_aliases): Ditto.
1324 (set_uids_in_ptset): Remove anyoffset handling.
1325 (init_base_vars): Ditto.
1327 2005-12-10 Mark Mitchell <mark@codesourcery.com>
1330 * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
1331 DECL_EXTERNAL functions have no bodies. Tidy.
1333 2005-12-10 Andreas Schwab <schwab@suse.de>
1335 * except.c (switch_to_exception_section): Only define if
1336 TARGET_UNWIND_INFO is not defined.
1338 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1340 * config/darwin.h (HAS_INIT_SECTION): Remove definition.
1341 (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
1343 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1345 * output.h (init_section, fini_section): Delete.
1346 * varasm.c (init_section, fini_section): Delete.
1347 (init_varasm_once): Don't initialize them.
1348 * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
1349 there are no corresponding varasm.c variables.
1351 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1353 * dwarf2out.c (default_eh_frame_section): Delete, moving handling
1354 of EH_FRAME_SECTION_NAME into...
1355 (switch_to_eh_frame_section): ...here. Try to set eh_frame_section
1356 if it is still null.
1357 * except.c (default_exception_section): Delete, moving most
1359 (switch_to_exception_section): ...this new function. Set
1360 exception_section if it is still null, then switch to it.
1361 (output_function_exception_table): Use switch_to_exception_section.
1362 * varasm.c (exception_section, eh_frame_section): Update comments.
1363 (get_section): Hoist use of SECTION_NAMED.
1364 (init_varasm_once): Don't set exception_section and eh_frame_section.
1365 * output.h (default_exception_section): Delete.
1366 (default_eh_frame_section): Delete.
1368 2005-12-09 Bernd Schmidt <bernd.schmidt@analog.com>
1370 * config/bfin/bfin.c: Include "cgraph.h".
1371 (bfin_load_pic_reg): Omit loading pic reg if in a local function.
1372 Return the reg that holds the pointer to the GOT.
1373 (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
1374 doing stack checking.
1376 2005-12-09 Diego Novillo <dnovillo@redhat.com>
1378 * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
1379 recompute_tree_invarant_for_addr_expr.
1380 Update uses everywhere.
1382 2005-12-09 Aldy Hernandez <aldyh@redhat.com>
1384 * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
1385 (MULTILIB_DIRNAMES): Define.
1387 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
1390 * config/s390/s390.c (struct s390_address): New field literal_pool.
1391 (s390_decompose_address): Compute literal_pool field. Do not
1392 assume register %r13 is always (and solely) used as pool base.
1393 (s390_extra_constraint_str): Use literal_pool field.
1395 2005-12-09 Thiemo Seufer <ths@networkno.de>
1397 * config/mips/mips.c (override_options): Don't allow too small
1398 integers in FP registers.
1400 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
1402 * config/s390/s390.c (s390_function_ok_for_sibcall): Use
1403 targetm.binds_local_p to check for local function calls.
1405 2005-12-09 Alan Modra <amodra@bigpond.net.au>
1408 * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1409 call_used_regs can't be used to save reg in another reg.
1411 2005-12-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1412 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1414 * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1416 * except.c (output_ttype): Likewise.
1417 * tree-object-size.c (collect_object_sizes_for): Likewise.
1418 (check_for_plus_in_loops_1): Likewise.
1419 (check_for_plus_in_loops): Likewise.
1420 (compute_object_sizes): Use gcc_unreachable instead of abort.
1422 2005-12-08 Nathan Sidwell <nathan@codesourcery.com>
1424 * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1425 (loop_end, loop_init, doloop_end): New insns.
1426 * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1427 (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1428 (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1429 (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1430 * config/ms1/ms1.c: #include basic-block.h
1431 (struct machine_function): Add has_loops field.
1432 (ms1_add_loop): New.
1433 (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1434 (struct loop_info, struct loop_work): New.
1435 (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1436 (ms1_reorg_loops): New loop optimization.
1437 (ms1_machine_reorg): Call it.
1438 * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1440 2005-12-08 Zdenek Dvorak <dvorakz@suse.cz>
1442 PR tree-optimization/25248
1443 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1444 evolution_of_loop from the failed attempt. Remove handling
1447 2005-12-08 Gabriel Dos Reis <gdr@integrable-solutions.net>
1449 * tree.h (DECL_EXTERNAL): Clarify documentation.
1451 2005-12-08 Andreas Krebbel <krebbel1@de.ibm.com>
1452 Jakub Jelinek <jakub@redhat.com>
1455 * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1456 argument. Don't drop outer ANDs.
1457 (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1458 * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1460 * config/s390/predicates.md (setmem_operand): Remove.
1461 (shift_count_operand): Rename to...
1462 (shift_count_or_setmem_operand): ... this. Adjust
1463 s390_decompose_shift_count caller.
1464 * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1465 ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1466 ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1467 <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1468 rotl<mode>3_and, setmem_long_and): New insns.
1469 (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1470 ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1471 <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1472 <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1473 of shift_count_operand.
1474 (setmem_long): Use shift_count_or_setmem_operand instead of
1477 2005-12-08 Daniel Jacobowitz <dan@codesourcery.com>
1478 Andreas Tobler <a.tobler@schweiz.ch>
1480 * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1483 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1485 * expr.c (force_operand): Use convert_to_mode for conversions.
1487 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1489 * reload.h (reg_equiv_invariant): Declare.
1490 * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1491 register also when reg_equiv_invariant[R] is set.
1493 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1494 Andreas Tobler <a.tobler@schweiz.ch>
1496 * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1498 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
1500 * tree-ssa-pre.c (bitmap_set_and): New function.
1501 (bitmap_set_and_compl): New function.
1502 (bitmap_set_empty_p): New function.
1503 (insert_extra_phis): New function.
1504 (compute_avail): Use insert_extra_phis.
1506 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
1508 * config/s390/s390.c (s390_expand_atomic): New function.
1509 Adjust comment of helper functions.
1510 * config/s390/s390-protos.h (s390_expand_atomic): Declare.
1511 * config/s390/s390.md ("ATOMIC"): New code macro.
1512 ("atomic"): Corresponding new code attribute.
1513 ("sync_lock_test_and_set[hq]i",
1514 "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1516 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
1518 * config/s390/s390.c (s390_expand_mask_and_shift,
1519 struct alignment_context, init_alignment_context,
1520 s390_expand_cs_hqi): New.
1521 * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1522 * config/s390/s390.md ("sync_compare_and_swaphi",
1523 "sync_compare_and_swapqi"): New pattern.
1525 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
1527 Fix PR tree-optimization/25291
1528 * tree-ssa-operands.c (add_call_clobber_ops): Remove
1529 redundant and crashing check.
1531 2005-12-08 Alan Modra <amodra@bigpond.net.au>
1534 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1535 tests further when !strict && reload_in_progress.
1536 (print_operand): Check that both operands of indexed address are regs.
1537 (print_operand_address): Likewise.
1538 * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1539 (INT_REG_OK_FOR_BASE_P): Correct.
1541 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1543 Preparation for PR rtl-optimization/20070 / part1
1544 * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1545 * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1546 outgoing_edges_match.
1547 (outgoing_edges_match): Use condjump_equiv_p.
1548 (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1550 * struct-equiv.c: New file.
1551 (death_notes_match_p) New function, broken out of insns_match_p.
1552 * Makefile.in (OBJS-common): Add struct-equiv.o.
1553 (struct-equiv.o): New target.
1555 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1557 * coretypes.h: Revert previous change.
1558 * config/darwin.h: Revert previous reversion.
1559 * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1561 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1563 * coretypes.h (section): Provide dummy definition for target files.
1564 * config/darwin.h: Revert previous change.
1566 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1568 * doc/sourcebuild.texi (all.build, install-normal): Remove.
1569 * configure.ac: Remove all.build and install-normal from target_list
1570 * configure: Regenerate.
1571 * Makefile.in (install): Don't depend on install-normal.
1573 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1575 * Makefile.in: Document the use of stamps.
1577 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1579 * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1580 * Makefile.in: Add code to compute some dependencies on s-gtype
1581 automatically. Remove the declaration of those dependencies.
1583 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1585 * gcc/reload.c (push_secondary_reload): Fix typo:
1586 s/insn_constraint/scratch_constraint/.
1588 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1590 * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1592 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1594 * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1595 (alpha_elf_select_rtx_section): Return the selected section rather
1596 than emitting assembly code.
1597 (alpha_write_linkage): Emit a ".link" directive directly and then
1598 set in_section to NULL.
1599 (vms_asm_out_constructor): Use switch_to_section.
1600 (vms_asm_out_destructor): Likewise.
1601 (unicosmk_output_common): Set in_section to NULL instead of calling
1602 the dummy common_section function.
1603 (unicosmk_text_section): Delete in favor of...
1604 (unicosmk_output_text_section_asm_op): ...this new function.
1605 (unicosmk_data_section): Delete in favor of...
1606 (unicosmk_output_data_section_asm_op): ...this new function.
1607 (unicosmk_init_sections): New function.
1608 (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1609 (unicosmk_output_ssib): Set in_section to NULL instead of calling
1610 the dummy ssib_section function.
1611 (unicosmk_section_buf): Delete.
1612 * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1613 (unicosmk_data_section): Delete.
1614 * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1615 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1616 (SECTION_FUNCTION_TEMPLATE): Delete.
1617 * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1618 (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1619 (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1620 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1621 (TARGET_ASM_INIT_SECTIONS): Define.
1622 * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1623 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1624 (link_section, literals_section): Delete.
1625 (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1626 set in_section to NULL.
1628 * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1629 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1630 (COMMON_SECTION): Delete.
1631 (TARGET_ASM_INIT_SECTIONS): Define.
1632 (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1633 the dummy common_section function.
1634 * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1635 * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1636 between readonly_data_section and text_section to check whether
1637 read-only data is being put in the text section.
1638 (arm_output_function_epilogue): Use switch_to_section.
1639 (arm_elf_asm_constructor): Likewise.
1640 (thumb_call_via_reg): Replace call to in_text_section with
1641 a comparison between in_section and text_section.
1642 (arm_file_end): Use switch_to_section.
1643 (aof_text_section): Delete in favor of...
1644 (aof_output_text_section_asm_op): ...this new function.
1645 (aof_data_section): Delete in favor of...
1646 (aof_output_data_section_asm_op): ...this new function.
1647 (aof_asm_init_sections): New function.
1648 (zero_init_section): Moved from config/arm/aof.h.
1649 (aof_dump_imports, aof_file_start): Use switch_to_section.
1650 * config/arm/arm.h (thumb_call_via_label): Update comment.
1651 * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1652 (common_section): Delete.
1653 * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1654 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1655 global switch_to_section function instead of the old port-local one.
1656 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1657 (SWITCH_TO_SECTION_FUNCTION): Delete.
1658 (drectve_section): Redefine as a macro.
1659 * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1660 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1663 * config/avr/avr.c (progmem_section): New variable.
1664 (avr_output_progmem_section_asm_op): New function.
1665 (avr_asm_init_sections): New function.
1666 (avr_output_addr_vec_elt): Use switch_to_section.
1667 * config/avr/avr.h (progmem_section): Declare.
1668 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1669 (READONLY_DATA_SECTION): Delete.
1670 (TARGET_ASM_INIT_SECTIONS): Define.
1671 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1672 * config/avr/avr-protos.h (progmem_section): Delete.
1674 * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1676 * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1677 (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1679 * config/darwin-sections.def: New file.
1680 * config/darwin.c: Define all sections in darwin-sections.def.
1681 (output_objc_section_asm_op, darwin_init_sections): New functions.
1682 (machopic_output_indirection): Use switch_to_section.
1683 (machopic_select_section): Return the selected section rather than
1684 emitting assembly code. Replace the static function table with
1685 inline conditional expressions. Update the tests of last_text_section
1686 and move them into the FUNCTION_DECL block.
1687 (machopic_select_rtx_section): Return the selected section rather than
1688 emitting assembly code.
1689 (machopic_asm_out_constructor, machopic_asm_out_destructor)
1690 (darwin_file_end): Use switch_to_section.
1691 * config/darwin.h: Use darwin-sections.def to declare sections.
1692 (INIT_SECTION_ASM_OP): Remove empty definition.
1693 (HAS_INIT_SECTION): Define this instead.
1694 (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1695 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1696 (TARGET_ASM_EH_FRAME_SECTION): Delete.
1697 (TARGET_ASM_INIT_SECTIONS): Define.
1698 * config/darwin-protos.h (darwin_init_sections): Declare.
1699 (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1700 (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1701 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1702 (constructor_section, destructor_section, mod_init_section): Delete.
1703 (mod_term_section): Delete.
1704 (darwin_exception_section, darwin_eh_frame_section): Delete.
1705 (machopic_select_section): Return a section.
1706 (machopic_select_rtx_section): Likewise.
1707 (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1708 (const_section, const_coal_section, const_data_section): Delete.
1709 (const_data_coal_section, data_coal_section, cstring_section): Delete.
1710 (literal4_section, literal8_section, constructor_section): Delete.
1711 (mod_init_section, mod_term_section, destructor_section): Delete.
1712 (objc_class_section, objc_meta_class_section, objc_category_section)
1713 (objc_class_vars_section, objc_instance_vars_section): Delete.
1714 (objc_cls_meth_section, objc_inst_meth_section): Delete.
1715 (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1716 (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1717 (objc_symbols_section, objc_module_info_section): Delete.
1718 (objc_image_info_section, objc_protocol_section): Delete.
1719 (objc_string_object_section, objc_constant_string_object_section)
1720 (objc_class_names_section, objc_meth_var_names_section): Delete.
1721 (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1722 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1723 (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1724 (darwin_exception_section, darwin_eh_frame_section): Delete.
1725 * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1727 * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1728 (frv_asm_out_destructor): Likewise.
1729 * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1730 (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1731 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1733 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1734 * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1735 (data_section): Delete.
1737 * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1738 (DRECTVE_SECTION_FUNCTION): Delete.
1739 (drectve_section): Redefine as a macro that sets in_section after
1740 emitting the directive.
1741 (SWITCH_TO_SECTION_FUNCTION): Delete.
1742 * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1743 in_text_section with comparison between in_section and text_section.
1744 * config/i386/i386.c (x86_64_elf_select_section): Return the section
1745 rather than emitting assembly code. Use get_named_section.
1746 (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1748 (machopic_output_stub): Use switch_to_section.
1749 * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1750 (nwld_named_section_asm_out_destructor): Use get_section and
1753 * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1754 rather than emitting assembly code.
1755 (ia64_rwreloc_select_section): Likewise.
1756 (ia64_rwreloc_select_rtx_section): Likewise.
1757 * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1758 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1760 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1761 (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1763 * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1764 section rather than emitting assembly code.
1765 (iq2000_select_section): Likewise.
1766 * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1767 (sbss_section): Delete.
1769 * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1770 and get_named_section.
1771 * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1773 * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1774 (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1775 (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1776 (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1778 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1779 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1780 global switch_to_section function instead of the old port-local one.
1781 * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1782 (SWITCH_SECTION_FUNCTION): Delete.
1783 * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1784 (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1785 (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1786 (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
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 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1792 * config/mips/mips.c (mips_file_start): Update comment.
1793 (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1794 (mips_output_aligned_decl_common): Use switch_to_section.
1795 (mips_select_rtx_section): Return the section rather than emitting
1796 assembly code. Use get_named_section.
1797 (mips_function_rodata_section: Likewise get_section.
1798 (build_mips16_function_stub): Use switch_to_section.
1799 * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1800 (SDATA_SECTION_ASM_OP): Delete.
1801 * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1802 (EXTRA_SECTION_FUNCTIONS): Delete.
1804 * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1805 (mmix_asm_output_aligned_local): Use switch_to_section.
1807 * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1808 (som_one_only_readonly_data_section): New variables.
1809 (pa_output_function_epilogue): Set in_section to NULL instead of
1810 calling forget_section.
1811 (output_deferred_plabels): Use select_section.
1812 (pa_asm_output_mi_thunk): Likewise. Set in_section to NULL instead
1813 of calling forget_section.
1814 (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1815 (pa_asm_output_aligned_local): Use select_section.
1816 (som_text_section_asm_op): Delete in favor of...
1817 (som_output_text_section_asm_op): ...this new function.
1818 (pa_som_asm_init_sections): New function.
1819 (pa_select_section): Return the section rather than emitting
1821 * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1822 (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1823 (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1824 (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1825 * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1826 (som_readonly_data_section, som_one_only_readonly_data_section)
1827 (som_one_only_data_section, forget_section): Delete.
1828 * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1829 (TARGET_ASM_INIT_SECTIONS): Define.
1830 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1832 * config/rs6000/rs6000.c (read_only_data_section): New variable.
1833 (private_data_section, read_only_private_data_section): New variables.
1834 (sdata2_section, toc_section): New variables.
1835 (rs6000_file_start): Use switch_to_section.
1836 (rs6000_assemble_integer): Use comparisons against in_section
1837 instead of calling in_toc_section and in_text_section. Use
1838 unlikely_text_section_p.
1839 (rs6000_elf_output_toc_section_asm_op): New function, derived
1840 from the old rs6000/sysv4.h toc_section function.
1841 (rs6000_elf_asm_init_sections): New function.
1842 (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1843 the section rather than emitting assembly code.
1844 (machopic_output_stub): Use switch_to_section.
1845 (toc_section): Delete dummy function.
1846 (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1847 switch_to_section and get_section.
1848 (rs6000_xcoff_output_readonly_section_asm_op): New function.
1849 (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1850 (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1851 the old rs6000/xcoff.h toc_section function.
1852 (rs6000_xcoff_asm_init_sections): New function.
1853 (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1854 the section rather than emitting assembly code.
1855 (rs6000_xcoff_file_start): Use switch_to_section.
1856 (rs6000_xcoff_file_end): Likewise.
1857 * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1858 (sdata2_section, sbss_section, private_data_section): Delete.
1859 (read_only_data_section, read_only_private_data_section): Delete.
1860 * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1861 (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1862 (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1863 (FINI_SECTION_FUNCTION): Delete.
1864 (TARGET_ASM_INIT_SECTIONS): Define.
1865 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1866 * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1867 (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1868 (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1869 (READONLY_DATA_SECTION): Delete.
1870 (TARGET_ASM_INIT_SECTIONS): Define.
1871 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. Set in_section
1872 to NULL rather than no_section.
1873 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1875 * config/sh/sh.c (sh_file_start): Use switch_to_section.
1877 * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1878 (sparc_output_deferred_case_vectors): Likewise. Remove argument
1879 from call to current_function_section.
1881 * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1882 (bss100_section): New variable.
1883 (xstormy16_asm_output_aligned_common): Use switch_to_section.
1884 (xstormy16_asm_init_sections): New function.
1885 (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1886 switch_to_section and get_section.
1887 (xstormy16_output_addr_vec): Use switch_to_section. Remove argument
1888 from calls to current_function_section.
1889 * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1890 (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1891 (TARGET_ASM_INIT_SECTIONS): Define.
1892 * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1894 * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1895 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1896 (FINI_SECTION_FUNCTION): Delete.
1898 * config/v850/v850.c: Include gt-v850.h.
1899 (rosdata_section, rozdata_section, tdata_section, zdata_section)
1900 (zbss_section): New variables.
1901 (v850_output_aligned_bss): Use switch_to_section.
1902 (v850_asm_init_sections): New function.
1903 (v850_select_section): Return the section rather than emitting
1905 * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1906 (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1907 (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1908 (TARGET_ASM_INIT_SECTIONS): Define.
1909 * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1910 (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1911 (zbss_section): Delete.
1913 * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1915 * config/vx-common.h (vxworks_exception_section): Delete.
1916 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1918 * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1919 section rather than emitting assembly code.
1920 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1923 * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1924 * coretypes.h (section): New union and typedef.
1925 * dbxout.c (FORCE_TEXT): Use switch_to_section. Remove argument
1926 from call to current_function_section.
1927 (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1928 (dbxout_symbol_location): Use switch_to_section.
1929 * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1930 most of the code into...
1931 (default_eh_frame_section): ...here. Return a section.
1932 (collect2_eh_frame_section): Delete, moving most of the code into..
1933 (switch_to_eh_frame_section): ...this new function.
1934 (debug_info_section, debug_abbrev_section, debug_aranges_section)
1935 (debug_macinfo_section, debug_line_section, debug_loc_section)
1936 (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1938 (output_call_frame_info): Call switch_to_eh_frame_section instead of
1939 eh_frame_section. Use switch_to_section and get_section.
1940 (dwarf2out_begin_prologue): Use switch_to_section.
1941 (AT_string_form): Check the flags in debug_str_section instead of
1942 DEBUG_STR_SECTION_FLAGS.
1943 (output_comp_unit): Use switch_to_section, get_section, and
1945 (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1946 (dwarf2out_begin_block): Use switch_to_section. Remove argument
1947 from call to current_function_section.
1948 (dwarf2out_var_location): Use unlikely_text_section_p.
1949 (dwarf2out_source_line): Use switch_to_section. Remove argument
1950 from call to current_function_section.
1951 (dwarf2out_start_source_file, dwarf2out_end_source_file)
1952 (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1953 debug_macinfo_section.
1954 (dwarf2out_init): Initialize the new section variables. Use them
1955 instead of calls to named_section_flags. Use switch_to_section.
1956 (output_indirect_string): Use switch_to_section and debug_str_section.
1957 (dwarf2out_finish): Use switch_to_section and the new section
1959 * except.c (default_exception_section): Return the section instead
1960 of emitting assembly code.
1961 (output_function_exception_table): Use the global exception_section
1962 variable instead of the target hook. Use switch_to_section. Remove
1963 argument from call to current_function_section.
1964 * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1965 (shorten_branches): Use pointer comparisons to detect whether the
1966 text section is the same as readonly_data_section.
1967 (profile_function): Use switch_to_section. Remove argument from
1968 call to current_function_section.
1969 (final_scan_insn): Likewise. Update use of last_text_section.
1970 * gengtype.c (open_base_files): Add an include of output.h.
1971 * output.h (text_section, data_section, readonly_data_section)
1972 (ctors_section, dtors_section, bss_section, init_section)
1973 (fini_section, sdata_section): Turn into section pointers.
1974 (in_text_section, in_unlikely_text_section, exports_section)
1975 (drectve_section, named_section, mergeable_string_section)
1976 (last_text_section_name): Delete.
1977 (default_exception_section, default_eh_frame_section): Return sections.
1978 (SECTION_DECLARED, SECTION_NAMED): New macros.
1979 (SECTION_MACH_DEP): Bump value.
1980 (section_common, named_section, unnamed_section): New structures.
1981 (unnamed_section_callback): New typedef.
1982 (section): New union.
1983 (sbss_section, exception_section, eh_frame_section): New variables.
1984 (in_section, last_text_section): Turn into section pointers.
1985 (get_unnamed_section, get_section, get_named_section): New functions.
1986 (mergeable_constant_section, function_section): Return a section.
1987 (unlikely_text_section): Likewise.
1988 (current_function_section): Likewise. Remove the decl argument.
1989 (unlikely_text_section_p, switch_to_section): New functions.
1990 (output_section_asm_op): New function.
1991 (set_named_section_flags, named_section_flags, named_section_real)
1992 (named_section_first_declaration): Delete.
1993 (default_select_section, default_elf_select_section): Return a section.
1994 (default_elf_select_section_1, default_function_rodata_section)
1995 (default_no_function_rodata_section, default_select_rtx_section)
1996 (default_elf_select_rtx_section): Likewise.
1997 * rtl.h (in_data_section): Delete.
1998 * sdbout.c (sdbout_one_type): Use switch_to_section.
1999 * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
2000 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
2001 (TARGET_ASM_EH_FRAME_SECTION): Poison.
2002 * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
2003 (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
2004 (TARGET_ASM_OUT): Update after above changes.
2005 * target.h (init_sections): New hook.
2006 (exception_section, eh_frame_section): Delete.
2007 (select_section, select_rtx_section, function_rodata_section): Return
2008 a section rather than emitting assembly code.
2009 * varasm.c (text_section, data_section, readonly_data_section)
2010 (ctors_section, dtors_section, bss_section, init_section)
2011 (fini_section): Turn into section pointers.
2012 (sdata_section, sbss_section, exception_section): New variables.
2013 (eh_frame_section): New variable.
2014 (in_section): Make global and turn into a section pointer.
2015 (last_text_section): Turn into a section pointer.
2016 (unnamed_sections): New variable.
2017 (in_named_name, last_text_section_name): Delete.
2018 (EXTRA_SECTION_FUNCTIONS): Delete.
2019 (in_named_entry): Delete.
2020 (section_htab): New variable, replacing...
2021 (in_named_htab): ...this deleted variable.
2022 (section_entry_eq, section_entry_hash): New functions, based on...
2023 (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
2024 (get_unnamed_section, get_section): New functions.
2025 (unlikely_text_section): Return a section instead of emitting
2027 (in_text_section, in_unlikely_text_section, in_data_section): Delete.
2028 (get_named_section_flags, named_section_first_declaration): Delete.
2029 (unlikely_text_section_p): New function.
2030 (named_section_real, named_section): Delete.
2031 (get_named_section): New function.
2032 (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
2033 (function_section): Return a section rather than emitting
2035 (current_function_section): Likewise. Remove argument. Use
2036 last_text_section if nonnull, otherwise use function_section.
2037 (default_function_rodata_section): Return a section rather than
2038 emitting assembly code. Use get_section.
2039 (default_no_function_rodata_section): Return a section rather than
2040 emitting assembly code.
2041 (variable_section): Use switch_to_section and get_named_section.
2042 (mergeable_string_section): Return a section rather than emitting
2043 assembly code. Use get_section. Make static. Don't take special
2044 countermeasures for empty strings.
2045 (mergeable_constant_section): Return a section rather than emitting
2046 assembly code. Use get_section.
2047 (default_named_section_asm_out_destructor): Use switch_to_section
2049 (default_dtor_section_asm_out_destructor): Use switch_to_section.
2050 (default_named_section_asm_out_constructor): Use switch_to_section
2052 (default_ctor_section_asm_out_constructor): Use switch_to_section.
2053 (assemble_start_function): Likewise. Set last_text_section to
2054 NULL rather than no_section. Change the type of save_section.
2055 (assemble_zeros, assemble_variable): Use the section flags to detect
2056 whether or not a section is text.
2057 (assemble_static_space): Use switch_to_section.
2058 (assemble_trampoline_template): Likewise.
2059 (output_constant_def_contents): Use switch_to_section and
2061 (output_constant_pool_1): Use switch_to_section. Use the section
2062 flags to see whether sections contain mergeable data.
2063 (init_varasm_once): Initialize section_htab instead of in_named_htab.
2064 Initialize new section variables. Call TARGET_ASM_INIT_SECTIONS.
2065 (default_elf_asm_named_section): Use SECTION_DECLARED to detect
2066 whether a section has already been declared.
2067 (default_select_section, default_elf_select_section): Return a
2068 section rather than emitting assembly code.
2069 (default_elf_select_section_1): Likewise. Use bss_section for
2070 SECCAT_BSS if nonnull. Use get_named_section.
2071 (default_select_rtx_section): Return a section rather than
2072 emitting assembly code.
2073 (default_elf_select_rtx_section): Likewise. Use get_named_section.
2074 (file_end_indicate_exec_stack): Use switch_to_section and get_section.
2075 (output_section_asm_op, switch_to_section): New functions.
2076 * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
2079 * doc/tm.texi: Expand the introduction to the sections documentation.
2080 (TRAMPOLINE_SECTION): Document new interface.
2081 (SDATA_SECTION_ASM_OP): Document new macro.
2082 (READONLY_DATA_SECTION): Delete.
2083 (SDATA_SECTION_ASM_OP): Document new macro.
2084 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2085 (TARGET_ASM_INIT_SECTIONS): Document new hook.
2086 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
2087 (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
2088 (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
2090 2005-12-07 Alan Modra <amodra@bigpond.net.au>
2092 * gcc.c (init_gcc_specs): Match braces inside conditionally
2095 2005-12-06 Geoffrey Keating <geoffk@apple.com>
2097 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
2099 2005-12-06 Aldy Hernandez <aldyh@redhat.com>
2102 * tree.c (integer_all_onesp): Always return true if all bits on.
2104 * testsuite/g++.dg/init/array0.C: New.
2106 2005-12-06 Adrian Straetling <straetling@de.ibm.com>
2108 * doc/md.texi: Adapt to implementation.
2110 2005-12-06 Andreas Schwab <schwab@suse.de>
2112 * opts.c (decode_options): Fix typo in message.
2114 2005-12-06 Alan Modra <amodra@bigpond.net.au>
2117 * longlong.h: Merge PPC tests from upstream.
2119 2005-12-06 Richard Guenther <rguenther@suse.de>
2121 * fold-const.c (fold_convert): Do not build and fold
2122 CONVERT_EXPR, but always use NOP_EXPR.
2124 2005-12-06 Jan Beulich <jbeulich@novell.com>
2126 * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
2127 __builtin_ia32_paddq and __builtin_ia32_subq.
2128 (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
2129 __builtin_ia32_pshufw.
2130 * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
2132 2005-12-05 James E Wilson <wilson@specifix.com>
2135 * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
2138 2005-12-05 Daniel Berlin <dberlin@dberlin.org>
2140 * print-tree.c (print_node): Ditto.
2141 * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
2142 * tree-dump.c (dequeue_and_dump): Check for decl_common structure
2143 before accessing DECL_ARTIFICIAL.
2144 Handle new tag tree codes.
2145 * tree-flow-inline.h (clear_call_clobbered): Update for tag
2147 (unmodifiable_var_p): Ditto.
2148 * tree-flow.h (mem_tag_kind): Remove.
2149 (struct var_ann_d): Remove mem_tag_kind member.
2150 * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
2151 * tree-pretty-print.c (dump_generic_node): Handle memory tags.
2152 * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
2153 (group_aliases): Ditto.
2154 (setup_pointers_and_addressables): Ditto.
2155 (is_escape_site): Ditto.
2156 (may_alias_p): Ditto.
2157 (create_tag_raw): New function.
2158 (create_memory_tag): Use it.
2159 (dump_alias_info): Update for tags.
2160 (may_be_aliased): Ditto.
2161 (add_type_alias): Ditto.
2162 (new_type_alias): Ditto.
2163 (create_sft): Ditto.
2164 (create_structure_vars): Ditto.
2165 * tree-ssa-ccp.c (get_default_value): Ditto.
2166 * tree-ssa-operands.c (get_expr_operands): Ditto.
2167 (add_stmt_operand): Ditto.
2168 (add_call_clobber_ops): Remove duplicated condition.
2169 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2171 * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
2172 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2173 * tree.c (init_ttree): Update structures for new tree codes.
2174 (tree_code_size): Update sizes for new tree codes.
2175 (make_node_stat): Don't try to set common things on minimal
2177 (tree_node_structure): Update for tags.
2178 (is_global_var): Ditto.
2179 * tree.def: Add new tree codes.
2180 * tree.h (MTAG_P): New macro.
2181 (TREE_MEMORY_TAG_CHECK): Ditto.
2182 (SSA_VAR_P): Update for tags.
2183 (struct tree_memory_tag): New structure.
2184 (MTAG_GLOBAL): New macro.
2185 (union tree_node): Add memory tag member.
2186 * treestruct.def (TS_MEMORY_TAG): New.
2188 2005-12-05 Dale Johannesen <dalej@apple.com>
2190 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match
2191 what was approved (PR 24323).
2193 2005-12-05 Gabriel Dos Reis <gdr@integrable-solutions.net>
2195 * doc/c-tree.texi (Function Bodies): Remove description of
2198 2005-12-05 Joseph S. Myers <joseph@codesourcery.com>
2200 * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
2201 __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
2202 __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
2203 __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
2204 __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
2205 __divxc3): Document.
2207 2005-12-05 Geoffrey Keating <geoffk@apple.com>
2209 * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
2211 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
2212 hook_bool_void_false.
2213 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2214 * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
2216 * config/darwin.c (machopic_select_section): It's not defined
2217 as weak if it's only marked as weak_import.
2219 * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
2222 * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
2223 A hidden weak object does bind locally. Strong linkonce data
2224 counts like any other strong symbol for binding.
2225 (weak_finish_1): Don't specially handle weakrefs, they no longer
2227 (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
2228 * c-common.c (handle_alias_attribute): Allow static aliases
2230 (handle_weakref_attribute): Don't call declare_weak on weakrefs.
2231 * gthr-dce.h: Make weakrefs static.
2232 * gthr-tpf.h: Likewise.
2233 * gthr-solaris.h: Likewise.
2234 * gthr-posix.h: Likewise.
2235 * gthr-posix95.h: Likewise.
2236 * config/darwin.c (darwin_encode_section_info): static weakref
2237 variables are not necessarily defined in this translation unit.
2238 * doc/extend.texi (Function Attributes): Mention that an alias
2239 attribute creates a definition for the thing it's attached to.
2240 Change the documentation for weakref to say that the thing
2241 it's attached to must be static.
2243 * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
2244 we don't go into an infinite loop.
2246 2005-12-05 Paolo Bonzini <bonzini@gnu.org>
2248 * config/rs6000/predicates.md (logical_const_operand): Split
2249 out of logical_operand.
2250 (logical_operand): Use it.
2251 * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
2252 logical_const_operand.
2254 2005-12-05 Jan Beulich <jbeulich@novell.com>
2256 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
2257 and IX86_BUILTIN_CMPNESS.
2258 (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
2259 * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
2260 * config/i386/i386.md (movti_internal): Correct type attribute.
2261 Simplify mode attribute.
2262 (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
2263 Correct type attribute.
2264 (absxf2): Correct operator.
2265 * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
2266 movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
2267 * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
2269 (sse2_vmsqrtv2df2): Correct mode attribute.
2271 2005-12-05 Jan Beulich <jbeulich@novell.com>
2273 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
2274 16 bits. Provide insn pattern for this case.
2276 2005-12-05 Jan Beulich <jbeulich@novell.com>
2278 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
2280 (__popcountDI2): Likewise.
2282 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2285 * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
2286 _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
2287 * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
2290 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
2292 * c-typeck.c (null_pointer_constant_p): New function.
2293 (build_conditional_expr, build_c_cast, convert_for_assignment,
2294 build_binary_op): Use it.
2296 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
2298 * c-common.c (binary_op_error): Do not allow NOP_EXPR.
2299 (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
2301 (check_function_arguments_recurse): Allow both NOP_EXPR and
2302 CONVERT_EXPR but check conversions preserve precision.
2303 * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
2304 but check conversions preserve precision.
2305 (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in
2308 2005-12-04 Roger Sayle <roger@eyesopen.com>
2311 * common.opt (Wstring-literal-comparison): New command line option.
2312 * c-opts.c (c_common_handle_option): Set it with -Wall.
2313 * c-typeck.c (parser_build_binary_op): Issue warning if either
2314 operand of a comparison operator is a string literal, except for
2315 testing equality or inequality against NULL.
2317 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
2319 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
2321 * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
2322 of building a NOP_EXPR.
2323 (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as
2325 * c-convert.c (convert): Use fold_convert instead of building
2326 NOP_EXPRs and CONVERT_EXPRs directly. Don't special case
2327 c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove
2329 * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
2330 NOP_EXPR the same as CONVERT_EXPR.
2331 * c-typeck.c (build_function_call): Use fold_convert instead of
2332 building a NOP_EXPR directly.
2333 (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
2335 2005-12-03 Alan Modra <amodra@bigpond.net.au>
2337 PR rtl-optimization/25197
2338 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
2341 2005-12-02 Stuart Hastings <stuart@apple.com>
2343 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
2346 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
2348 * c-typeck.c (default_function_array_conversion,
2349 build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
2350 (build_conditional_expr): Apply integer_zerop to orig_op1 and
2351 orig_op2. Don't check them for NOP_EXPR.
2352 (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
2353 around integer zero.
2355 2005-12-03 Alan Modra <amodra@bigpond.net.au>
2357 * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
2358 toc_save_offset, toc_size, lr_size.
2359 (rs6000_stack_info): Use memset rather than bss struct copy to init.
2360 Test rs6000_ra_ever_killed last in condition setting lr_save_p.
2361 Adjust for removal of unused rs6000_stack_t fields.
2362 (debug_stack_info): Adjust.
2363 (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls
2364 first, and don't bother checking for set/inc of lr on sibcalls.
2365 (rs6000_emit_epilogue): Tidy code restoring stack pointer.
2367 2005-12-02 Jakub Jelinek <jakub@redhat.com>
2370 * config/i386/i386.md (movqi_1): Only force imovx for alternative
2371 5 if operand 1 is not aligned. Undo previous constraint change.
2372 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
2374 2005-12-02 Richard Guenther <rguenther@suse.de>
2376 * tree.h (build): Remove prototype.
2377 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
2378 * tree.c (build): Remove.
2379 (build0_stat): Update comment.
2381 2005-12-02 Richard Guenther <rguenther@suse.de>
2383 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
2384 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
2386 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
2387 maybe_fold_offset_to_component_ref): Likewise.
2388 * tree-ssa-dom.c (thread_across_edge,
2389 simplify_rhs_and_lookup_avail_expr,
2390 find_equivalent_equality_comparison, record_equivalences_from_stmt):
2392 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
2393 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
2394 lower_try_finally_switch): Likewise.
2395 * tree-if-conv.c (add_to_dst_predicate_list,
2396 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2397 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2398 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2399 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2400 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2401 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2402 gimplify_init_ctor_eval, gimplify_init_constructor,
2403 gimplify_variable_sized_compare, gimplify_boolean_expr,
2404 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2405 gimplify_expr, gimplify_body, gimplify_function_tree,
2406 force_gimple_operand): Likewise.
2407 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2408 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2409 mx_register_decls): Likewise.
2410 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2411 get_frame_field, finalize_nesting_tree_1): Likewise.
2412 * tree-inline.c (setup_one_parameter): Likewise.
2413 * tree-vect-transform.c (vectorizable_condition): Likewise.
2414 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2416 * tree-profile.c (tree_gen_edge_profiler): Likewise.
2417 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2418 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2419 * tree-chrec.h (build_polynomial_chrec): Likewise.
2421 2005-12-02 Richard Guenther <rguenther@suse.de>
2423 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2424 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2425 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2426 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2427 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2428 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2429 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2431 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2432 sh_adjust_unroll_max): Likewise.
2433 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2434 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2435 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2437 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2439 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2442 2005-12-02 Richard Guenther <rguenther@suse.de>
2444 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2445 simplify_cond_using_ranges): Use buildN instead of build.
2446 * tree-tailcall.c (adjust_accumulator_values,
2447 adjust_return_value): Likewise.
2448 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
2449 generate_element_copy, generate_element_zero,
2450 generate_one_element_init): Likewise.
2451 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2452 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2453 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2454 perfect_nestify): Likewise.
2456 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2458 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
2460 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
2462 * ggc.h (GGC_RESIZEVEC): New.
2464 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2466 * gcc.c (execute): Improve readability.
2468 2005-12-02 Richard Guenther <rguenther@suse.de>
2470 * tree-cfg.c (mark_used_vars): New function.
2471 (dump_function_to_file): Dump only used VAR_DECLs.
2473 2005-12-02 Richard Guenther <rguenther@suse.de>
2475 * convert.c (convert_to_integer): Fix compare for nonpositive
2476 constant to use tree_int_cst_sgn <= 0.
2478 2005-12-02 Richard Guenther <rguenther@suse.de>
2480 * convert.c (convert_to_integer): Use fold_convert instead
2481 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
2482 instead of comparing against 0. Use build_int_cst instead
2483 of converting integer_zero_node.
2485 2005-12-02 Richard Guenther <rguenther@suse.de>
2487 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2490 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2493 * combine.c (simplify_logical <IOR>): Simplify more patterns to
2496 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2499 * function.c (expand_function_end): Emit blockage for unwinder
2502 2005-12-01 Roger Sayle <roger@eyesopen.com>
2504 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2505 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2506 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2507 integer constant comparisons.
2509 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
2510 Janis Johnson <janis187@us.ibm.com>
2511 David Edelsohn <dje@watson.ibm.com>
2512 Ben Elliston <bje@au.ibm.com>
2514 * dfp.h, dfp.c: New files.
2515 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2516 (DECNUM_H): Likewise.
2517 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2518 (INCLUDES): Append $(DECNUMINC).
2519 (OBJS-common): Add dfp.o.
2521 * real.h (EXP_BITS): Pinch one bit to ..
2522 (struct real_value): Add decimal field.
2523 (real_format): Change table size, update documentation.
2524 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
2525 (real_from_string3): Declare.
2526 (decimal_single_format): Declare.
2527 (decimal_double_format): Declare.
2528 (decimal_quad_format): Declare.
2529 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
2530 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
2531 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
2532 * real.c: Include dfp.h.
2533 (normalize): Early return for decimal floats.
2534 (do_add): Zero decimal field.
2535 (do_compare): Call do_decimal_compare for decimal floats.
2536 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2537 (real_arithmetic): Call decimal_real_arithmetic for decimal
2538 floating point operands.
2539 (real_identical): If a and b are of differing radix, return false.
2540 (real_to_integer): Call decimal_real_to_integer if the value is a
2542 (real_to_integer2): Likewise, call decimal_real_to_integer2.
2543 (real_to_decimal): Likewise, call decimal_real_to_decimal.
2544 (real_to_hexadecimal): Place "N/A" in the return string for
2546 (real_from_string3): New variant, given a mode.
2547 (real_maxval): Use decimal_real_maxval for decimal floats.
2548 (round_for_format): Use decimal_round_for_format for decimals.
2549 (real_convert): Use decimal_real_convert where appropriate.
2550 (significand_size): Handle base 10.
2551 (encode_decimal_single, decode_decimal_single,
2552 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2553 decode_decimal_quad): New functions.
2554 (decimal_single_format): New.
2555 (decimal_double_format): New.
2556 (decimal_quad_format): New.
2557 * machmode.def: Add SD, DD and TD decimal floating point modes.
2558 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2559 Include MODE_DECIMAL_FLOAT.
2560 (DECIMAL_FLOAT_MODE_P): New.
2561 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2562 * genmodes.c (struct mode_data): Add counter field.
2563 (struct mode_data): Update comment for format.
2564 (blank_mode): Initialise counter field.
2565 (new_mode): Increment counter field for each mode defined.
2566 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2568 (make_complex_modes): Handle modes containing `D'.
2569 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2570 (make_decimal_float_mode): New.
2571 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2572 (cmp_modes): Compare counter field if other characteristics
2574 (emit_real_format_for_mode): Support formats for decimal floats.
2575 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2576 Document MODE_DECIMAL_FLOAT.
2578 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2580 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2583 2005-12-01 Richard Henderson <rth@redhat.com>
2585 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2587 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2589 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2591 * config/pa/pa.c (pa_init_builtins): If we detect
2592 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2595 2005-12-01 Richard Guenther <rguenther@suse.de>
2597 * fold-const.c (fold_binary): Use fold_build2, not
2600 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
2602 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2604 * vec.h (VEC_block_remove): New.
2606 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
2609 * c-common.c (lvalue_error): Fix wording.
2611 2005-12-01 Richard Guenther <rguenther@suse.de>
2613 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2614 thinko in last patch.
2616 2005-12-01 Geoffrey Keating <geoffk@apple.com>
2618 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2619 than -flat_namespace.
2621 2005-12-01 Ben Elliston <bje@au.ibm.com>
2623 * mklibgcc.in: Parameterise the script to build soft float
2624 functions by iterating over each type, rather than cloning the
2627 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2630 * builtins.c (fold_builtin_fputs): Defer check for missing
2631 replacement functions.
2633 2005-11-30 Kean Johnston <jkj@sco.com>
2635 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2636 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2638 2005-11-30 Richard Guenther <rguenther@suse.de>
2640 PR tree-optimization/22501
2641 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2642 function split out from ...
2643 (forward_propagate_addr_expr): ... here. Use it to propagate
2644 ADDR_EXPRs to all uses.
2646 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2648 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2649 * builtins.c (expand_builtin_mathfn): Use them.
2650 (expand_builtin_mathfn_2): Likewise.
2651 (expand_builtin_mathfn_3): Likewise.
2652 (expand_builtin_int_roundingfn): Likewise.
2653 (expand_builtin): Likewise.
2654 (integer_valued_real_p): Likewise.
2655 (fold_builtin_int_roundingfn): Likewise.
2656 (fold_builtin_bitop): Likewise.
2657 (fold_builtin_logarithm): Likewise.
2658 (fold_builtin_1): Likewise.
2659 * convert.c (convert_to_integer): Likewise.
2660 * fold-const.c (negate_mathfn_p): Likewise.
2661 (tree_expr_nonnegative_p): Likewise.
2663 2005-11-30 Dale Johannesen <dalej@apple.com>
2664 Andrew Pinski <pinskia@physics.uc.edu>
2666 * combine.c (find_split_point): Sign extend bitmask
2667 when changing bitfield assignment to IOR of AND.
2669 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2671 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2672 clobber to scratch reg.
2673 (*decrement_and_branch_until_zero_no_clobber): Remove.
2674 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2675 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2676 * config/ms1/ms1.opt (mmul): Remove.
2677 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2678 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2680 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2681 Bernd Schmidt <bernd.schmidt@analog.com>
2683 * pa/predicates.md (symbolic_operand): Add comment.
2684 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2685 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2686 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2687 (pa_secondary_reload_class): Delete.
2688 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2689 and pa_secondary_reload_class. Reorder some checks. Update inline
2690 copy of symbolic operand.
2691 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2693 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2695 * loop-doloop.c (add_test): Only add jump notes if we did emit a
2698 2005-11-30 Jeff Law <law@redhat.com>
2700 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2701 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2703 2005-11-30 Jakub Jelinek <jakub@redhat.com>
2705 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2706 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2707 (ia64_expand_move): Adjust caller.
2709 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2710 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2713 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
2715 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2716 Always produce an output if we can remove NEGs or canonicalize
2717 (minus (minus ...)) expressions. Provide a fast path for the
2719 (simplify_gen_binary): Do not call simplify_plus_minus.
2720 (simplify_binary_operation_1): Reassociate at the end of the
2723 2005-11-29 Evan Cheng <evan.cheng@apple.com>
2725 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2726 moves and unpack to speed up.
2728 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
2730 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2731 argument, they are always sparc_compare_op0 and sparc_compare_op1.
2732 (gen_v9_scc): Update callers.
2733 * config/sparc/sparc.md: Likewise.
2734 * config/sparc/sparc-protos.h: Update extern declaration.
2736 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2738 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2740 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2743 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2745 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2746 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2747 (negate_expr): Here.
2749 2005-11-29 Ben Elliston <bje@au.ibm.com>
2751 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2752 Fix typo in comment.
2754 2005-11-29 Ben Elliston <bje@au.ibm.com>
2756 * Makefile.in (clean-target): Depend on clean-target-libgcc.
2757 (clean-target-libgcc): Import rule from the top-level Makefile.in.
2759 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2763 * builtins.c (init_target_chars): New.
2764 (expand_builtin_printf, expand_builtin_fprintf,
2765 expand_builtin_sprintf, fold_builtin_sprintf,
2766 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2767 fold_builtin_snprintf_chk, fold_builtin_printf,
2768 fold_builtin_fprintf): Check for matching format strings using
2771 2005-11-29 Paul Brook <paul@codesourcery.com>
2773 * config.gcc: Do not use fixproto on m68k-elf.
2775 2005-11-28 Roger Sayle <roger@eyesopen.com>
2777 * expmed.c (div_cost): Replace with...
2778 (sdiv_cost, udiv_cost): New.
2779 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2780 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2781 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2782 (expand_divmod): Replace use of div_cost with either sdiv_cost
2783 or udiv_cost depending upon the signedness of the operation.
2785 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2788 * config/darwin.c (machopic_indirection_name,
2789 machopic_output_indirection): Follow transparent alias chain.
2791 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2793 * varasm.c (ultimate_transparent_alias_target): Add comment.
2795 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
2797 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2798 SET_SRC instead of XEXP where appropriate.
2800 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2802 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2805 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2807 * config/fp-bit.h (LSHIFT): Take shift count parameter.
2808 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2811 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
2813 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2814 secondary_input_reload_class, made static. Adapt to new
2816 (secondary_output_reload_class): Delete.
2817 (TARGET_SECONDARY_RELOAD): New macro.
2818 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2819 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2821 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
2824 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
2825 when its natural alignment is > BITS_PER_UNIT.
2826 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2827 * c-common.c (handle_packed_attribute): Ignore packing on a field
2828 whose type is naturally char aligned.
2830 2005-11-28 Richard Guenther <rguenther@suse.de>
2832 * c-common.c (strict_aliasing_warning): Handle all
2833 component-ref like accesses.
2835 2005-11-28 Roger Sayle <roger@eyesopen.com>
2836 Uros Bizjak <uros@kss-loka.si>
2839 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2840 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2841 when flag_unsafe_math_optimizations is set and
2842 we don't care about NaNs or Infinities.
2844 Move x/expN(y) and x/pow(y,z) transformation into common
2845 flag_unsafe_math_optimizations section.
2847 2005-11-27 Mark Mitchell <mark@codesourcery.com>
2849 * gcc.c (main): Change type of argv to "char **".
2851 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2853 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2854 small data sections.
2855 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2856 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2857 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2858 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
2859 output locals to sbss if !rs6000_elf_in_small_data_p.
2860 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2862 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2865 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2866 generated by reload.
2867 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2868 indexed_or_indirect_address.
2869 (indexed_or_indirect_address): Don't test for base reg. Call
2870 address_operand last. Make it a special predicate.
2872 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
2874 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2876 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
2879 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2881 (negate_expr): Likewise.
2883 2005-11-27 Andreas Schwab <schwab@suse.de>
2885 * config/m68k/m68k.c: Reindent and fix whitespace, remove
2888 2005-11-27 Steven Bosscher <stevenb@suse.de>
2890 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2891 has EH predecessor edges.
2893 2005-11-26 Eric Christopher <echristo@apple.com>
2895 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2896 register stalls by zero extending to the full register.
2898 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
2900 * config/floatunsisf.c, config/floatunsidf.c,
2901 config/floatunsixf.c, config/floatunsitf.c: New files.
2902 * config/ia64/t-hpux: Add floatunsitf.c.
2903 * config/ia64/ia64.c (ia64_init_libfuncs): Use
2904 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2906 2005-11-26 Richard Henderson <rth@redhat.com>
2908 * c-lex.c (pragma_lex): Rename from c_lex.
2909 * c-pch.c: Update for pragma_lex rename.
2910 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2911 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2912 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2913 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2914 * doc/tm.texi: Likewise.
2916 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
2919 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2920 when overflow is undefined.
2922 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
2924 * doc/md.texi (Insn Canonicalizations): Refer to the
2925 function commutative_operand_precedence for further rules.
2927 2005-11-25 Roger Sayle <roger@eyesopen.com>
2930 * expmed.c (choose_mult_variant): Return immediately when mult_cost
2931 is less than zero. Limit mult_cost to a reasonable upper bound for
2932 the synthetic multiplication sequence.
2934 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2937 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2938 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2939 Lookup the explicit replacement functions for any unlocked
2940 stdio builtin transformations.
2942 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
2944 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2946 * targhooks.c (default_secondary_reload): Don't require operand 2
2947 for an input reload to be earlyclobber.
2949 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2951 * fold-const.c (negate_mathfn_p): Fix comment and add support
2952 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2955 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2958 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2959 _Q_ulltoq for unsigned conversions from SImode and DImode to
2962 2005-11-25 Alan Modra <amodra@bigpond.net.au>
2964 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2965 (__floatundidf, __floatundisf): Likewise.
2967 2005-11-25 David Edelsohn <edelsohn@gnu.org>
2969 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2970 (rs6000_override_options): Remove initialization of
2971 rs6000_sr_alias_set.
2972 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2973 (rs6000_emit_stack_tie): Same.
2974 (emit_frame_save): Same.
2975 (gen_frame_mem_offset): Same.
2976 (rs6000_emit_prologue): Same.
2977 (rs6000_emit_epilogue): Same.
2979 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2982 * fold-const.c (fold_build): Convert bool_var != 1 and
2983 bool_var == 0 to !bool_var.
2985 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2988 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2989 for C being INTEGER_CST. Likewise for !=.
2991 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2994 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2995 unsigned conversions from SImode to TFmode.
2997 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
2999 * expr.c (expand_expr_real_1): Fix error in last change.
3001 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
3003 * caller-save.c: (this_insn_sets): Move into:
3004 (save_call_clobbered_regs).
3005 (mark_set_regs): Get this_insn_sets from data.
3007 (save_call_clobbered_regs): Take sets of the return value by
3008 sibcalls into account.
3010 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
3013 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
3014 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
3015 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
3016 (memory_move_secondary_cost, init_reg_autoinc): Remove
3017 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
3018 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
3019 secondary_reload_class call.
3020 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
3022 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
3023 (push_secondary_reload): Use secondary_reload target hook.
3024 (secondary_reload_class, scratch_reload_class): New functions.
3025 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
3026 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
3027 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
3028 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
3029 (secondary_reload_class, scratch_reload_class): Declare.
3030 * reload1.c: Include target.h.
3031 (reload_adjust_reg_for_temp): New function.
3032 (reload_adjust_reg_for_icode): Likewise.
3033 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
3034 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
3036 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
3037 for inheritance. Support case when both secondary & tertiary reloads
3038 are for intermediate registers.
3039 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
3040 with secondary_reload_class call. Support case when both secondary
3041 & tertiary reloads are for intermediate registers.
3042 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
3043 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
3044 * target.h (secondary_reload_info): New struct / typedef.
3045 (struct gcc_target): New member secondary_reload.
3046 * targhooks.c Include reload.h, optabs.h and recog.h.
3047 (default_secondary_reload): New function.
3048 * targhooks.h (default_secondary_reload): Declare.
3049 * doc/tm.texi: Document secondary_reload target hook. Update
3050 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
3051 * doc/md.texi: Likewise.
3053 * sh-protos.h (sh_secondary_reload): Declare.
3054 * sh.c (TARGET_SECONDARY_RELOAD): Override.
3055 (sh_secondary_reload): New function.
3056 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
3057 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
3058 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
3059 (HAVE_SECONDARY_RELOADS): Define.
3060 * sh.md (reload_indf): Rename to:
3062 (reload_outdf): Rename to:
3063 (reload_outdf__RnFRm).
3064 (reload_insf): Rename to:
3066 (reload_insi): Rename to:
3067 (reload_insi__i_fpul).
3069 2005-11-24 Uros Bizjak <uros@kss-loka.si>
3071 * configure.ac: Require at least texinfo 4.4.
3072 * configure: Regenerate.
3074 * doc/install.texi (Tools/packages necessary for building GCC):
3075 Update required version of texinfo to at least 4.4.
3076 (Installing GCC: Building): Update required version of texinfo
3078 (Installing GCC: Final installation): Update required version
3079 of texi2dvi to at least 4.4.
3080 (Host/target specific installation notes for GCC): Update required
3081 version of texinfo to at least 4.4.
3083 2005-11-24 Richard Guenther <rguenther@suse.de>
3084 Dirk Mueller <dmueller@suse.de>
3087 * c-common.h (strict_aliasing_warning): Declare.
3088 * c-common.c (strict_aliasing_warning): New function,
3090 * c-typeck.c (build_c_cast): ... here.
3092 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
3094 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3096 (swap_commutative_operands_with_target): New.
3098 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
3100 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
3101 also when doing PRE, rather than only for global CPROP.
3103 2005-11-24 Ben Elliston <bje@au.ibm.com>
3105 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
3106 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
3108 (expand_twoval_unop): Likewise.
3109 (widen_clz): Likewise.
3110 (expand_parity): Likewise.
3111 (expand_unop): Likewise.
3112 (emit_cmp_and_jmp_insn_1): Likewise.
3113 (prepare_float_lib_cmp): Likewise.
3115 2005-11-24 Ben Elliston <bje@au.ibm.com>
3117 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
3118 Remove unused `class' variable.
3120 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
3123 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
3124 C/C++ diagnostic function warn_array_subscript_with_type_char.
3125 * c-common.h (warn_array_subscript_with_type_char): Declare.
3126 * c-common.c (warn_array_subscript_with_type_char): Define.
3128 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
3131 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
3132 compiling at the intersection of C and C++.
3134 2005-11-23 Mark Mitchell <mark@codesourcery.com>
3136 * doc/invoke.texi: For man pages, include gcc-vers.texi.
3137 List @file in the option summary. Include the libiberty
3138 documentation for @file.
3139 * gcc.c (main): Call expandargv.
3140 * Makefile.in (gcc-vers.texi): Define srcdir.
3142 2005-11-23 Diego Novillo <dnovillo@redhat.com>
3144 * passes.c (init_optimization_passes): Document
3145 sequencing of passes.
3147 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
3149 * config/m68k/predicates.md (pcrel_address, extend_operator,
3150 post_inc_operand, pre_dec_operand): Remove redundant
3152 (const_uint32_operand, const_sint32_operand): Use gcc_assert
3154 (valid_dbcc_comparison_p): Rewrite in the lisp style.
3156 2005-11-23 Ben Elliston <bje@au.ibm.com>
3158 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
3160 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
3162 Preparatory work for PR target/21623:
3163 * alpha.c (secondary_reload_class): Rename to:
3164 (alpha_secondary_reload_class).
3165 * alpha.h, alpha-protos.h: Likewise.
3166 * mn10300.c (secondary_reload_class): Rename to:
3167 (mn10300_secondary_reload_class).
3168 * mn10300.h, mn10300-protos.h: Likewise.
3169 * pa.c (secondary_reload_class): Rename to:
3170 (pa_secondary_reload_class).
3171 * pa.h, pa-protos.h: Likewise.
3172 * rs6000.c (secondary_reload_class): Rename to:
3173 rs6000_secondary_reload_class.
3174 * rs6000.h, rs6000-protos.h: Likewise.
3176 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
3179 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
3181 2005-11-22 Ian Lance Taylor <ian@airs.com>
3183 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
3185 (prepare_cmp_insn): Likewise.
3187 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
3190 * m68k.md (zero_extendsidi2): Force operands[1] to a register
3191 if both operands[0] and operands[1] are memory.
3193 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
3196 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
3197 COMPARISON_CLASS_P and an integral types create create a new
3198 expression with the new type and fold that.
3200 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
3203 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
3204 to SUBTARGET_OS_CPP_BUILTINS.
3206 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
3208 * arm.c (emit_set_insn): New function.
3209 (arm_split_constant): Call it.
3210 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
3211 (arm_legitimize_address): Likewise. Use plus_constant.
3212 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
3213 (thumb_expand_prologue): Likewise.
3214 (arm_gen_load_multiple): Use VOIDmode in SET.
3215 (arm_gen_store_multiple): Likewise.
3216 (vfp_emit_fstmx): Likewise. Use plus_constant.
3217 (emit_multi_reg_push): Likewise.
3218 (emit_sfm): Use plus_constant.
3220 2005-11-23 Alan Modra <amodra@bigpond.net.au>
3223 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
3226 2005-11-22 Alan Modra <amodra@bigpond.net.au>
3229 * expmed.c (store_bit_field): Don't attempt to insv a field
3230 larger than the reg.
3232 2005-11-22 Alan Modra <amodra@bigpond.net.au>
3235 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
3236 explicit sign extension, not a (char) cast.
3238 2005-11-22 Ben Elliston <bje@au.ibm.com>
3240 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
3241 GET_MODE_CLASS (x) == MODE_FLOAT.
3242 * config/i386/i386.c: Likewise.
3243 * config/rs6000/xcoff.h: Likewise.
3244 * config/rs6000/linux64.h: Likewise.
3245 * config/rs6000/rs6000.c: Likewise.
3246 * config/rs6000/rs6000.h: Likewise.
3247 * config/rs6000/predicates.md: Likewise.
3248 * config/rs6000/sysv4.h: Likewise.
3250 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3252 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
3255 * config/alpha/freebsd.h, config/alpha/linux.h,
3256 config/arm/linux-elf.h, config/bfin/bfin.h,
3257 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
3258 config/i386/beos-elf.h, config/i386/gnu.h,
3259 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
3260 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
3261 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
3262 config/rs6000/linux64.h, config/rs6000/sysv4.h,
3263 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
3264 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
3265 config/sparc/linux.h, config/sparc/linux64.h,
3266 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
3268 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
3269 are both defined when either flag -fpic or -fPIC are used.
3271 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
3273 * config/fp-bit.c (clzusi): New function.
3274 (si_to_float, usi_to_float): Use it to compute proper shift.
3275 (usi_to_float): Preserve guard bits when shifting right.
3276 * libgcc-std.ver (GCC_4.2.0): New version.
3277 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
3278 __floatundisf): New functions.
3279 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
3280 __floatundisf): Declare.
3281 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
3282 _floatundixf, and _floatunditf.
3283 * optabs.c (expand_float): If target does not define a pattern for
3284 signed or unsigned conversion, use an unsigned libcall instead of
3286 (init_optabs): Initialize ufloat_optab.
3288 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
3290 * config/rs6000/rs6000.opt (mmulhw): New option.
3291 * doc/invoke.texi (-mmulhw): Document.
3292 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
3294 * config/rs6000/rs6000.md: Add half-word multiply and
3295 multiply-accumulate instructions for 405 and 440.
3297 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
3299 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
3300 which matches behavior of gcc 4.0 and older for RTEMS targets. The
3301 default now includes a linker group which makes the RTEMS one nest.
3303 2005-11-22 Ben Elliston <bje@au.ibm.com>
3305 * cse.c (fold_rtx): Typo fix.
3306 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
3308 2005-11-21 Richard Henderson <rth@redhat.com>
3310 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
3311 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
3313 * c-tree.h (lookup_name): Move declaration ...
3314 * c-common.h (lookup_name): ... here.
3315 * config/darwin-c.c: Include c-common.h.
3316 * config/t-darwin: Update dependencies.
3318 2005-11-22 Ben Elliston <bje@au.ibm.com>
3320 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
3321 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
3322 * genopinit.c (gen_insn): Likewise.
3323 * reload.c (find_equiv_reg): Likewise.
3324 * loop.c (load_mems): Likewise.
3325 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
3326 * cse.c (find_comparison_args, fold_rtx): Likewise.
3327 * dwarf2out.c (add_const_value_attribute): Likewise.
3328 * expr.c (convert_move): Likewise.
3329 * recog.c (general_operand, register_operand): Likewise.
3330 * reg-stack.c (replace_reg): Likewise.
3331 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3332 * c-common.c (handle_vector_size_attribute): Likewise.
3333 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
3334 (simplify_binary_operation_1): Likewise.
3335 (simplify_const_binary_operation): Likewise.
3336 (simplify_relational_operation): Likewise.
3337 (simplify_const_relational_operation): Likewise.
3338 (simplify_immed_subreg): Likewise.
3339 * emit-rtl.c (gen_lowpart_common): Likewise.
3340 * expmed.c (expand_mult): Likewise.
3341 * stor-layout.c (layout_type): Likewise.
3343 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
3346 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
3347 cst2 only for SPE vectors.
3349 2005-11-21 David Edelsohn <edelsohn@gnu.org>
3352 * config/rs6000/predicates.md (vrsave_operation): Check
3353 UNSPEC_VOLATILE value.
3355 2005-11-21 Jan Hubicka <jh@suse.cz>
3357 PR tree-optimization/24653
3358 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
3360 2005-11-21 Uros Bizjak <uros@kss-loka.si>
3362 * config/i386/predicates.md (ax_reg_operand): New predicate.
3363 (memory_displacement_only_operand): New predicate.
3364 * config/i386/i386.md ("modrm" attribute): Return 0 if one
3365 operand is AX register and the other operand is memory operand
3366 with displacement only.
3368 2005-11-21 Uros Bizjak <uros@kss-loka.si>
3370 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
3371 if we don't care about NaNs or Infinities.
3373 2005-11-20 Ian Lance Taylor <ian@airs.com>
3375 PR rtl-optimization/24883
3376 * combine.c (combinable_i3pat): When checking whether the
3377 destination of i3 is used in i3, consider paradoxical subregs.
3379 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
3382 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
3384 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
3386 * combine.c (try_combine): Do not run subst on i1src and i2src in
3387 the case of generating a PARALLEL for a comparison.
3389 2005-11-20 Richard Henderson <rth@redhat.com>
3392 * tree-sra.c (struct sra_elt): Add all_no_warning.
3393 (struct sra_walk_fns) <use>: Add use_all argument.
3394 (sra_walk_expr): Pass it.
3395 (sra_walk_modify_expr): Likewise.
3396 (scalarize_ldst): Likewise.
3397 (scan_use): Update for new argument.
3398 (mark_no_warning): New.
3399 (scalarize_use): Use it.
3401 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3403 * expr.c (expand_expr_real): Use usmul_optab for widening
3404 signed * unsigned multiplies.
3405 * genopinit.c (optabs): Add usmul_widen_optab.
3406 * optabs.c (init_optabs): Likewise.
3407 * optabs.h (enum optab_index): Add OTI_usmul_widen.
3408 (usmul_widen_optab): Define.
3409 * config/bfin/bfin.md (usmulhisi3): New pattern.
3411 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3413 2005-11-20 Graham Stott <btinternet.com>
3415 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
3417 2005-11-20 Andreas Schwab <schwab@suse.de>
3420 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3423 2005-11-19 Richard Henderson <rth@redhat.com>
3426 * tree-gimple.c (is_gimple_id): Export.
3427 * tree-gimple.h (is_gimple_id): Declare.
3428 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3429 (get_default_value): Use it.
3430 (maybe_fold_stmt_indirect): Likewise.
3432 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
3434 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3435 than VR1 or vice-versa.
3437 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
3441 * reload.c (find_reloads_address_1): Mention dependency on
3443 * reload1.c (gen_reload): For IN with an unary operation, try
3444 moving inner expression to OUT if trivial SET is not valid.
3445 Confirm that the result is valid. Move common code block into...
3446 (emit_insn_if_valid_for_reload): New function.
3448 2005-11-19 Richard Guenther <rguenther@suse.de>
3450 * fold-const.c (fold_indirect_ref_1): Make sure we fold
3451 ARRAY_REFs of constant strings.
3453 2005-11-19 Jakub Jelinek <jakub@redhat.com>
3455 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3456 fatal format string.
3458 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
3460 * combine.c (make_compound_operation): Swap operands of
3461 commutative operation if necessary before returning.
3463 2005-11-19 Richard Guenther <rguenther@suse.de>
3466 * fold-const.c (fold_plusminus_mult_expr): New function.
3467 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3468 cases, remove now unnecessary code.
3470 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
3472 * gensupport.c (old_preds): Rename to std_preds, add special field.
3473 (struct old_pred_table): Rename to struct std_pred_table, add special
3475 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3476 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3477 (init_predicate_table): Adjust, and set along the way whether a
3478 predicate is special.
3480 2005-11-18 Mark Mitchell <mark@codesourcery.com>
3482 * BASE-VER: Change to 4.2.0.
3484 2005-11-18 James E Wilson <wilson@specifix.com>
3486 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3489 2005-11-18 Mike Stump <mrs@apple.com>
3491 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3492 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3493 * c-decl.c (lookup_name_two) Remove.
3494 * c-tree.h (lookup_name_two): Remove.
3495 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3496 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3497 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3498 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
3500 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
3503 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3504 when not generating code to use that co-processor.
3506 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
3508 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3509 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3510 these functions are now in tree-phinodes.c.
3512 2005-11-18 Jie Zhang <jie.zhang@analog.com>
3514 * config/bfin/bfin.md (trap): New pattern.
3516 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3518 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3521 * expr.c (expand_expr_real): Don't call record_block_change unless
3522 ib_boundaries_block is non-null
3524 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
3526 * fold-const.c (build_range_check): Use proper type for subtraction
3527 when merging lower bound.
3529 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
3531 PR rtl-optimization/24497
3532 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3535 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
3537 * tree-scalar-evolution.c (expression_expensive_p): New function.
3538 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3540 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
3542 * config/bfin/crtlibid.s: New file.
3544 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3547 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3548 when not using sjlj exceptions.
3549 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3550 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3551 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3552 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3553 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3554 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3555 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3556 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3557 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3558 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3559 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3560 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3561 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3563 * config/pa/hpux-unwind.h: New file.
3565 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
3567 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3568 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3569 * varasm.c (do_assemble_alias): Adjust call.
3570 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3572 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3574 2005-11-17 James E Wilson <wilson@specifix.com>
3576 * tree.def (FUNCTION_DECL): Correct typo in comment.
3578 2005-11-17 Richard Henderson <rth@redhat.com>
3580 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3581 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3582 and DW_CFA_def_cfa_sf.
3583 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3584 (dbx_reg_number): Don't assert particular registers here.
3585 (based_loc_descr): ... do it here instead. Fold in ...
3586 (eliminate_reg_to_offset): ... this function.
3587 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3588 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3589 * unwind-dw2.c (execute_cfa_program): Apply data align factor
3590 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3591 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3592 (instantiate_virtual_regs): Likewise.
3593 * var-tracking.c (adjust_stack_reference): Likewise.
3594 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3596 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
3598 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3599 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3600 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3602 ($(T)crtlibid.o): New rule.
3604 2005-11-16 Richard Guenther <rguenther@suse.de>
3607 * fold-const.c (extract_array_ref): Return byte offset
3609 (fold_binary): Fold &x[a] CMP &x[b] to
3610 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3613 2005-11-16 Richard Henderson <rth@redhat.com>
3616 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3617 parts of an SSA_NAME.
3619 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
3622 * arm.md (split for movsf with immediate): Restrict split to insns
3623 that set a general register.
3625 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3627 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
3629 * unwind-dw2.c (uw_advance_context): Likewise.
3630 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
3631 _Unwind_SjLj_Unregister.
3632 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3634 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3636 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3638 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3640 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3641 langhook to get a DImode integer type.
3643 2005-11-16 Richard Henderson <rth@redhat.com>
3644 J"orn Rennecke <joern.rennecke@st.com>
3645 Ulrich Weigand <uweigand@de.ibm.com>
3649 * reload1.c (reg_equiv_invariant): New.
3650 (reload): Allocate, initialize, and free it.
3651 (calculate_needs_all_insns): Check it when skipping equivalence
3653 (alter_reg): Likewise.
3654 (eliminate_regs_1): Rename from eliminate_regs. Add new
3655 may_use_invariant argument; only use reg_equiv_invariant when true.
3656 (eliminate_regs): New.
3657 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3658 a context for which may_use_invariant may be true.
3660 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3662 * fold-const.c (const_binop): Don't constant fold the operation
3663 if the result has overflowed and flag_trapping_math.
3664 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3666 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3668 * config/arm/unwind-arm.c (abort): Add prototype here.
3669 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3670 (struct phase1_vrs): Add prev_sp.
3671 (unwind_phase2_forced): Save the original core registers instead of
3672 modifying entry_vrs. Take a new flag argument for resuming unwinding
3673 and set action flags accordingly. Always set _US_END_OF_STACK when
3674 get_eit_entry fails. Unwind before calling the stop function.
3675 (_Unwind_GetCFA): New function.
3676 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3677 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3678 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3679 just call unwind_phase2_forced.
3680 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3681 * config/arm/unwind-arm.h (abort): Remove prototype.
3682 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3684 (_Unwind_GetCFA): New prototype.
3685 * config/arm/pr-support.c (abort): Add prototype here.
3686 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3688 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3689 not schedule the prologue with non-call exceptions and EABI.
3691 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
3693 * config/arm/unwind-arm.h: Reorder interface function declarations.
3694 (_URC_END_OF_STACK): New enumeration value.
3695 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3696 (struct _Unwind_Control_Block): Document reserved field use.
3697 (_Unwind_Stop_Fn): New typedef.
3698 (_Unwind_ForcedUnwind): Declare.
3699 (_Unwind_Resume_or_Rethrow): Declare.
3700 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3702 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3703 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3704 (UCB_FORCED_STOP_ARG): New.
3705 (search_EIT_table): Update boundary condition checks.
3706 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3707 (unwind_phase2): Replace for with do..while.
3708 (unwind_phase2_forced): New.
3709 (__gnu_Unwind_RaiseException): Replace for with do..while.
3710 (__gnu_Unwind_ForcedUnwind): New.
3711 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3712 Use appropriate phase2 unwinder.
3713 (__gnu_Unwind_Resume_or_Rethrow): New.
3714 (__gnu_unwind_pr_common): Cope with forced unwinding.
3716 2005-11-16 David Edelsohn <edelsohn@gnu.org>
3719 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3721 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3722 roundsf2): Remove "s" from mnemonic.
3724 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
3726 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3728 * config/bfin/crtn.s: Change epilogues to match.
3729 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3730 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3731 __PIC__ and __pic__.
3733 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
3736 * doc/invoke.texi: Distinguish between free and fixed form instead of
3737 Fortran and Fortran 90/95. Remove ratfor from the list of supported
3739 * gcc.c (default_compilers): Remove double entries, add entries for
3740 suffixes '.F90' and '.F95'.
3742 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3744 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3745 in the stack probing loop.
3747 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3749 * configure.ac: Use .machine power5 not power5x.
3750 * configure: Regenerate.
3752 2005-11-15 Mike Stump <mrs@apple.com>
3754 * c-decl.c (lookup_name_two): Add.
3755 * c-tree.h (lookup_name_two): Likewise.
3756 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3757 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3759 2005-11-16 Alan Modra <amodra@bigpond.net.au>
3761 PR rtl-optimization/23392
3762 * regrename.c (enum scan_actions) Add mark_access.
3763 (scan_actions_name): Ditto.
3764 (scan_rtx_reg): Handle mark_access.
3765 (scan_rtx_address): Do nothing for mark_access.
3766 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3767 and regs in REG_INC notes before closing chains for dead regs.
3768 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3769 opening chains for new writes.
3771 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3773 * c.opt (ffixed-line-length-none): New.
3775 2005-11-15 Steve Ellcey <sje@cup.hp.com>
3777 * mklibgcc.in: Change contents of eh_dummy.c.
3779 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3781 * loop.c (scan_loop): Do not insert temporaries for hard registers.
3783 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3785 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3787 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
3789 2005-11-15 Jan Hubicka <jh@suse.cz>
3791 * invoke.texi (large-unit-insns): Document.
3792 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3793 * params.def (large-unit-insns): New param.
3795 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
3798 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3799 special register for operand 3. Reindent constraints to align
3802 2005-11-14 David Edelsohn <edelsohn@gnu.org>
3804 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3805 -mpopcntb, -mfprnd. Add -mcpu=power5+.
3806 * configure.ac: Add test for FP rounding instructions.
3807 * configure: Regenerate.
3808 * config.in: Regenerate.
3809 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3810 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3812 * config/rs6000/rs6000.opt (mfprnd): New.
3813 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3814 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3815 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3816 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3817 (TARGET_FPRND): New.
3818 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3820 (btrunc<mode>2): New.
3822 (floor<mode>2): New.
3823 (round<mode>2): New.
3825 2005-11-14 Geoffrey Keating <geoffk@apple.com>
3827 * gcc.c (version_compare_spec_function): Use fatal() rather than
3830 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3831 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3832 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3834 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3837 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3838 on -mmacosx-version-min setting.
3840 2005-11-14 Diego Novillo <dnovillo@redhat.com>
3843 * tree-vrp.c (infer_value_range): Return false if STMT is a
3844 block terminator and its basic block has no successors.
3846 2005-11-14 Mike Stump <mrs@apple.com>
3848 * config/i386/i386.c (override_options): -masm=intel isn't
3849 supported on darwin.
3850 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3852 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
3854 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3855 vfork after including auto-host.h.
3857 2005-11-15 Alan Modra <amodra@bigpond.net.au>
3859 PR rtl-optimization/22002
3860 * combine.c (distribute_notes): Detect cases where a reg dies
3861 two or more times in a bb, including on the insn we are combining,
3862 and place the death note on the correct range.
3864 2005-11-14 Dale Johannesen <dalej@apple.com>
3866 * expmed.c (store_bit_field): Add offset unconditionally for
3868 (extract_bit_field): Don't force extzv or extv operand into
3869 a register if field is too big.
3871 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3873 * config/arm/arm.c (pic_labelno): New.
3874 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3875 LABEL_REF. Pass only the labelno to PIC insns.
3876 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3877 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3878 * arm.md (UNSPEC_PIC_LABEL): New constant.
3879 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3880 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3881 Use the correct label prefix.
3883 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3885 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3888 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
3890 * loop-invariant.c: Include tm_p.h.
3891 * Makefile.in: Updated.
3893 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3895 * pa.c (store_reg): Revise generation of frame notes in large frames.
3896 (set_reg_plus_d): Likewise.
3898 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
3900 PR tree-optimization/24709
3901 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3904 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
3906 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3907 and duplicate declaration of pthread_self.
3909 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
3910 Ian Lance Taylor <ian@airs.com>
3913 * calls.c (expand_call): If TARGET is a MEM and some part of the
3914 argument area has been saved, force TARGET to a register.
3916 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
3918 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3921 2005-11-13 Jason Merrill <jason@redhat.com>
3924 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3925 lazily declared methods.
3926 (force_decl_die): Stop if forcing out the context already make a
3928 (force_type_die): Likewise.
3930 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
3933 * builtins.c (integer_valued_real_p): Add break in
3934 REAL_CST having TREE_OVERFLOW set.
3936 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
3938 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3939 addressing modes during calculation of costs.
3941 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
3943 * function.c (assign_stack_local_1): Restrict sanity check
3944 on frame size overflow to 32-bit and above platforms.
3946 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3948 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3949 * config/cris/cris.c: Include reload.h.
3950 (cris_initial_elimination_offset): New function.
3951 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3954 2005-11-12 Richard Guenther <rguenther@suse.de>
3956 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3958 2005-11-12 Jan Hubicka <jh@suse.cz>
3960 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3961 to compare against 0 when possible.
3963 2005-11-12 Jie Zhang <jie.zhang@analog.com>
3965 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3966 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3967 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3968 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3971 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3973 * recog.c (constrain_operands) <case 'g'>: For a match, require
3974 that a non-register matches general_operand when strict >= 0.
3976 2005-11-11 Steven Bosscher <stevenb@suse.de>
3978 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3981 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3983 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3984 (memory_address_same): New.
3985 (dse_optimize_stmt): Call memory_address_same.
3987 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3990 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3991 ZERO_EXTEND>: New cases.
3993 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3995 * longlong.h (__clz_tab): Always provide.
3997 2005-11-11 Steven Bosscher <stevenb@suse.de>
4000 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
4002 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
4003 before check_maybe_invariant.
4004 (move_invariant_reg): Use gen_move_insn instead of replacing
4005 SET_DEST with the temporary for the invariant.
4006 (move_loop_invariants): If checking is enabled, do internal
4007 consistency checks after completing the pass.
4009 2005-11-11 David Edelsohn <edelsohn@gnu.org>
4012 * common.opt (Wvolatile-register-var): New.
4013 * varasm.c (make_decl_rtl): Only emit warning when option
4014 specified. Clarify warning message.
4015 * doc/invoke.texi (Wvolatile-register-var): Document new option.
4017 * doc/md.texi (copysign): Document standard named pattern.
4019 2005-11-11 Jie Zhang <jie.zhang@analog.com>
4021 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
4022 bytes when align is 2.
4023 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
4024 by the first instruction of the loop.
4026 2005-11-11 Jason Merrill <jason@redhat.com>
4029 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
4032 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
4034 PR rtl-optimization/22509
4035 * local-alloc.c (memref_used_between_p): Check whether a function call
4036 could not reference the memref.
4038 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
4040 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
4041 algorithm so as to choose the best, not the worst, alternative.
4042 Reset accumulated register class before processing next alternative.
4044 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
4047 * calls.c (expand_call): Copy a return value to a plain register
4050 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
4053 * varasm.c (assemble_name): Recompute name only for transparent
4056 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
4058 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
4060 2005-11-04 Jeff Law <law@redhat.com>
4063 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
4064 perform reassociation if the parent statement will not die as
4065 a result of the optimization.
4067 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
4069 * tree-ssa-alias.c (compute_may_aliases): Remove call to
4070 delete_old_heap_vars.
4071 * tree-dfa.c (referenced_var_remove): Remove function.
4072 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
4073 (delete_tree_ssa): Remove call to delete_old_heapvars.
4074 Add call to delete_alias_heapvars.
4075 * tree-flow.h (referenced_var_remove): Remove prototype
4076 (init_alias_heapvars): New prototype.
4077 (delete_alias_heapvars): Ditto.
4078 * Makefile.in (tree-ssa-structalias.o): Add
4079 gt-tree-ssa-structalias.o
4080 (GTFILES): Add tree-ssa-structalias.h and
4081 tree-ssa-structalias.c.
4082 (s-gtype): Add gt-tree-ssa-structalias.h.
4083 * tree-ssa-structalias.c (heapvars): Remove.
4084 (oldheapvars): Remove.
4085 (heapvar_for_stmt): New variable.
4086 (heapvar_lookup): New function.
4087 (heapvar_insert): Ditto.
4088 (get_constraint_for): See if we have an old heapvar
4090 (init_alias_heapvars): New function.
4091 (delete_alias_heapvars): Ditto.
4092 Add include of gt-tree-ssa-structalias.h.
4094 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4097 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
4099 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
4101 * tree.c (int_fits_type_p): Only look at the base type
4102 if it has the same precision as the original type.
4104 2005-11-10 Jakub Jelinek <jakub@redhat.com>
4107 * varasm.c (assemble_alias): Use %q+D in the error
4108 message instead of %J and %qD.
4110 2005-11-10 Richard Guenther <rguenther@suse.de>
4112 * gcse.c (free_ldst_entry): Only free hashtable if
4115 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4117 * function.c (assign_stack_local_1): Issue an error message if
4118 the frame size overflows in the signed target arithmetics.
4120 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4122 * tree.c (build_qualified_type): Chain the new type to the original
4123 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4124 a POINTER_TYPE or a REFERENCE_TYPE respectively.
4125 (build_pointer_type_for_mode): Only return unqualified types.
4126 (build_reference_type_for_mode): Likewise.
4128 2005-11-09 Jakub Jelinek <jakub@redhat.com>
4130 * Makefile.in (gnucompare): Do comparison of all files using one of
4131 the chosen methods and only afterwards decide if just warning should
4132 be issued or comparison failure raised.
4134 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4136 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
4137 (noce_try_abs): Negate if the comparison is reversed.
4138 Look only one instruction backwards for a REG_EQUAL note.
4140 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
4143 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
4144 gthr-tpf.h: Define __gthrw. For all identifiers that might
4145 be weak, introduce weakrefs or non-weak aliases with __gthrw,
4146 and prefix all uses with __ghtrw.
4148 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
4151 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
4152 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
4153 * c-common.c (handle_weakref_attribute): New.
4154 (c_common_attribute_table): Add weakref.
4155 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
4157 * configure, config.in: Rebuilt.
4158 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
4159 * doc/extend.texi: Document weakref attribute.
4160 * varasm.c (ultimate_transparent_alias_target): New
4161 (assemble_name): Use it.
4162 (weak_finish_1): Split out of...
4163 (weak_finish): ... and deal with weakrefs in...
4164 (weakref_targets): ... new list.
4165 (globalize_decl): Clean up weakref_targets.
4166 (do_assemble_alias): Handle weakrefs.
4167 (finish_aliases_1): Do not reject weakrefs to external symbols.
4168 (assemble_alias): Handle weakrefs.
4170 2005-11-09 Richard Guenther <rguenther@suse.de>
4172 PR tree-optimization/24716
4173 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
4174 t_bool to track results from follow_ssa_edge.
4176 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4178 * final.c (force_source_line): New global variable.
4179 (final_scan_insn): Set it to true instead of clearing last_filename.
4180 (notice_source_line): Return true if force_source_line is true,
4181 unless source info is absent.
4183 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
4186 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
4187 a linkage name for a variable if it a register variable.
4188 * c-decl.c (grokdeclarator): Global register variables
4189 should be set as PUBLIC.
4191 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4194 * config/s390/s390.c (struct s390_frame_layout): New fields
4195 first_save_gpr_slot and last_save_gpr_slot.
4196 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
4197 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
4198 first_save_gpr and last_save_gpr with the _slot variants.
4199 (s390_register_info): Calculate first_save_gpr_slot and
4200 last_save_gpr_slot using regs_ever_live.
4202 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4205 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
4206 for a function containing a landing pad.
4208 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4211 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
4214 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
4216 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
4217 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
4219 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
4222 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
4224 (call,load,store): New insn types.
4225 (mem_access, branch_access): Adjust reservation conditions.
4226 (define_delay): Adjust condition.
4227 (decrement_and_branch_until_zero): Allow for ms2. Set branch
4229 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
4230 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
4232 (call_internal, call_value_internal, return_internal,
4233 return_interrupt_internal, eh_return_internal, indirect_jump,
4234 tablejump): Set call insn type.
4235 (blockage, ei, di): Use appropriate unspec const.
4236 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
4237 (ms1_get_attr_type): Adjust to give load & store types.
4238 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
4239 backwards past a barrier.
4240 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
4242 (struct branch_info, struct label_info): New.
4244 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
4245 (ms1_machine_reorg): New.
4246 (TARGET_MACHINE_DEPENDENT_REORG): Override.
4247 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
4248 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
4249 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
4252 2005-11-09 Per Bothner <per@bothner.com>
4253 Uros Bizjak <uros@kss-loka.si>
4256 * toplev.c (process_options): Initialize debug_hooks early
4257 in case lang_hooks.post_options ends up calling a debug_hook.
4259 2005-11-08 Jakub Jelinek <jakub@redhat.com>
4261 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
4262 DBX_REGISTER_NUMBER being contiguous.
4264 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
4265 Diego Novillo <dnovillo@redhat.com>
4268 * tree-vrp.c (register_edge_assert_for): Do not register
4269 always-false predicates.
4271 2005-11-08 Devang Patel <dpatel@apple.com>
4273 PR tree-optimization/23115
4274 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
4277 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
4279 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
4282 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
4284 Fix PR tree-optimization/23382
4286 * tree-ssa-alias.c (compute_may_aliases): Call
4287 delete_old_heap_vars.
4288 * tree-dfa.c (referenced_var_remove): New function.
4289 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
4290 * tree-flow.h (referenced_var_remove): Add prototype.
4291 (delete_old_heap_vars): Ditto.
4292 * tree-ssa-structalias.c (heapvars): New variable.
4293 (oldheapvars): Ditto.
4294 (get_constraint_for): Put heap vars on heapvars list.
4295 (delete_old_heap_vars): New function.
4297 2005-11-08 Jason Merrill <jason@redhat.com>
4299 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
4301 2005-11-08 Uros Bizjak <uros@kss-loka.si>
4304 * reg-stack.c (reg_to_stack): Update register liveness also
4305 for flag_sched2_use_traces.
4307 2005-11-08 Alan Modra <amodra@bigpond.net.au>
4310 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
4311 override prior explicit -mno-powerpc-gfxopt.
4313 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
4315 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
4316 if the bitsize is zero.
4317 * doc/md.texi (Standard Pattern Names): Document it.
4319 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
4320 (TARGET_PASS_BY_REFERENCE): Likewise.
4322 2005-11-07 Ian Lance Taylor <ian@airs.com>
4324 PR rtl-optimization/24683
4325 * config/i386/i386.c (legitimize_pic_address): If constant operand
4326 to PLUS is too large, put it in a register.
4328 2005-11-07 Jie Zhang <jie.zhang@analog.com>
4330 * configure.ac: Enable checking assembler dwarf2 support for bfin
4332 * configure: Regenerate.
4334 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
4338 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
4339 gen_easy_vector_constant_add_self): Delete.
4340 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
4342 (output_vec_const_move): Use gen_easy_altivec_constant.
4343 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
4344 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
4345 (easy_vector_constant_add_self): Rewritten.
4346 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
4347 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
4348 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
4349 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
4350 Macroize and adjust for the other changes.
4352 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
4356 * c-typeck.c (build_c_cast): Try using a shared constant, and see
4357 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
4359 2005-11-07 Jakub Jelinek <jakub@redhat.com>
4361 PR rtl-optimization/23567
4362 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
4363 (noce_process_if_block): Don't do any optimizations except
4364 if (cond) x = x; if !set_b and write into orig_x may trap
4365 or fault. Remove the MEM_READONLY_P check.
4367 2005-11-06 Diego Novillo <dnovillo@redhat.com>
4370 * tree-vrp.c (fix_equivalence_set): New.
4371 (extract_range_from_assert): Call it.
4373 2005-11-05 Ian Lance Taylor <ian@airs.com>
4376 * combine.c (apply_distributive_law): Don't distribute across a
4379 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
4381 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
4382 config/ms1/ms1.h, config/rs6000/predicates.md,
4383 config/s390/s390.c, params.def, postreload-gcse.c,
4384 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
4385 tree-vrp.c, tree.c: Fix comment typos.
4386 * doc/invoke.texi: Fix typos.
4388 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
4390 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
4391 for testing whether the data_dependence_relation contains distance
4392 vectors. Iterate over all distance vectors of the ddr.
4393 * lambda.h: Define a vec of lambda_vector pointers.
4394 * tree-data-ref.c (dump_data_dependence_relation,
4395 dump_data_dependence_direction): Iterate over all distance and
4396 direction vectors of the ddr.
4397 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
4399 (build_classic_dist_vector, build_classic_dir_vector): Push a set
4400 of distance/direction vectors instead of a single one.
4401 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
4402 lambda_vectors with a vec of lambda_vectors.
4403 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
4404 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
4405 DDR_NUM_DIST_VECTS): New.
4406 * tree-loop-linear.c (gather_interchange_stats): Test for the
4407 existence of distance vectors only after having checked that there
4408 is a dependence. Iterate over all distance vectors of the ddr.
4409 (linear_transform_loops): Use dump_data_dependence_relation.
4410 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
4411 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
4412 distance vectors of the ddr.
4414 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
4416 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
4417 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
4418 IS_INTHANDLER; all callers changed.
4419 (n_regs_saved_by_prologue): Take interrupt handler attributes into
4421 (do_link, do_unlink): New argument ALL; all callers changed.
4422 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
4423 If function isn't leaf, save and restore all registers.
4424 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
4427 2005-11-05 Jan Hubicka <jh@suse.cz>
4429 PR rtl-optimization/23490
4430 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
4431 max-flow-memory-location): Document.
4432 * flow.c: Include params.h
4433 (MAX_MEM_SET_LIST_LEN): Kill.
4434 (add_to_mem_set_list): Use new param.
4435 * cse.c (cse_basic_block): Replace 1000 by new param.
4436 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
4437 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
4438 * predict.c (predict_loops): Use new param.
4439 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
4441 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
4442 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4443 Do not hold memory returned by cgraph_node_name across other call.
4445 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
4448 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
4451 2005-11-04 Jeff Law <law@redhat.com>
4454 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
4455 * tree-ssa-dom.c: Include params.h.
4456 (thread_across_edge): If there are too many statements in the
4457 target block, then do not thread through it.
4458 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
4459 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
4461 2005-11-03 Diego Novillo <dnovillo@redhat.com>
4464 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
4465 TODO_update_ssa instead of TODO_update_ssa_no_phi.
4467 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
4470 * tree-scalar-evolution.c (instantiate_parameters_1,
4471 instantiate_parameters, resolve_mixers): Compute the size of an
4472 expression to be instantiated and give up the instantiation if the
4473 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4475 2005-11-04 Richard Guenther <rguenther@suse.de>
4477 * tree-flow.h (ref_contains_indirect_ref): Rename to
4478 array_ref_contains_indirect_ref.
4479 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
4480 (array_ref_contains_indirect_ref): Make comment match the code
4482 (ref_contains_array_ref): Likewise.
4483 * tree-ssa-structalias.c (find_func_aliases): Remove call to
4484 ref_contains_indirect_ref.
4485 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4486 Rename calls to ref_contains_indirect_ref.
4488 2005-11-04 Paul Brook <paul@codesourcery.com>
4490 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
4491 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
4492 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4493 * config/arm/arm.md: Use match_operand in peephole input templates
4494 and match_dup in peephole output templates.
4496 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4498 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
4501 2005-11-04 Mark Mitchell <mark@codesourcery.com>
4502 Daniel Jacobowitz <dan@codesourcery.com>
4504 * longlong.h (add_ssaaaa): Clobber condition code register
4506 (sub_ddmmss): Likewise.
4507 (umul_ppmm): Likewise.
4509 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4510 Paul Brook <paul@codesourcery.com>
4511 Phil Blundell <pb@reciva.com>
4513 * configure.ac: Add test for ARM TLS support.
4514 * configure: Regenerated.
4515 * config/arm/arm-protos.h (legitimize_tls_address)
4516 (arm_tls_referenced_p, tls_mentioned_p)
4517 (arm_output_addr_const_extra): New prototypes.
4518 (thumb_legitimize_pic_address): Delete.
4519 * config/arm/arm.c: Include "gt-arm.h".
4520 (enum tls_reloc): New.
4521 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
4522 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
4523 (arm_call_tls_get_addr, legitimize_tls_address)
4524 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
4525 (arm_init_tls_builtins, arm_emit_tls_decoration)
4526 (arm_output_addr_const_extra): New functions.
4527 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
4528 (TARGET_HAVE_TLS): Define.
4529 (target_thread_pointer): New.
4530 (arm_override_options): Handle -mtp=.
4531 (legitimize_pic_address): Ignore UNSPECs.
4532 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4534 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4535 (tls_get_addr_libfunc): New variable.
4536 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4537 (arm_init_builtins): Call arm_init_tls_builtins.
4538 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4539 (arm_encode_section_info): Call default_encode_section_info.
4540 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4541 (enum arm_tp_type): New.
4542 (target_thread_pointer): Add declaration.
4543 (LEGITIMATE_CONSTANT_P): Handle TLS.
4544 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4545 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4546 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4547 * config/arm/arm.md: Add UNSPEC_TLS.
4548 (movsi): Handle TLS.
4549 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4551 (tls_load_dot_plus_eight): New insn and a peephole to create it.
4552 (load_tp_hard, load_tp_soft): New insns.
4553 * arm.opt: Add -mtp=.
4554 * doc/invoke.texi (ARM Options): Document -mtp.
4556 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4558 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4559 * config/arm/libunwind.S: Include "lib1funcs.asm".
4560 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4561 (LIB2ADDEH): Add libunwind.S.
4562 (LIB2ADDEHDEP): Add lib1funcs.asm.
4563 * mklibgcc.in: Handle asm files in libgcc_eh.a.
4565 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4568 * gcc/c.opt: Add a -lang-fortran option.
4569 * gcc/c-opts.c: Add a lang_fortran flag.
4570 (c_common_init_options): Handling the -lang-fortran option.
4571 (c_common_handle_option): Add a case for Fortran options in
4572 preprocessing. Remove cases for -ffixed-form and
4573 -ffixed-line-length. Add a case for -lang-fortran.
4575 2005-11-03 David Edelsohn <edelsohn@gnu.org>
4577 * config/rs6000/rs6000.c: Include params.h
4578 (optimization_options): Set max-grow-copy-bb-insns default to 16.
4579 (bdesc_2arg): Delete vpkuhss and vpkuwss.
4580 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4581 (UNSPEC_VPKUWSS): Delete.
4582 (altivec_vpkuhss): Delete.
4583 (altivec_vpkuwss): Delete.
4584 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4586 (neg_eq0<mode>): Remove final condition.
4587 (neg_eq<mode>): Remove condition and split-condition.
4589 2005-11-04 Alan Modra <amodra@bigpond.net.au>
4591 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4592 Use associated print macros.
4594 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4597 * diagnostic.c (diagnostic_set_info_translated): New function.
4598 (diagnostic_set_info): Use it. Add comment.
4599 * diagnostic.h (diagnostic_set_info_translated): Declare.
4601 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
4603 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4604 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4605 reference only if 'public' is true.
4606 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4607 emit the .hidden directive only if the indirect reference is public.
4608 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4609 Pass it to dw2_force_const_mem.
4610 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4611 * dwarf2out.c (output_cfi): Adjust calls to above function.
4612 (output_call_frame_info): Likewise.
4613 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4614 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4616 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
4618 PR tree-optimization/24483
4619 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4620 field to elts if possible.
4622 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4625 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4628 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
4630 Fix PR tree-optimization/24351
4632 * tree-ssa-structalias.c (struct variable_info): Add
4634 (get_varinfo_fc): New function to follow collapsing.
4635 (new_var_info): Set collapsed_to to NULL.
4636 (dump_constraint): Follow collapsing.
4637 (build_constraint_graph): Handle collapsing.
4638 (do_simple_structure_copy): Return false if something bad
4640 (collapse_rest_of_var): New function.
4641 (do_structure_copy): Collapse if do_simple_structure_copy returns
4644 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4647 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4648 expressions to a statement list instead of gimplifying them.
4650 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4652 PR rtl-optimization/23585
4653 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4654 that can't trap plus a constant integer, if the mode has zero size.
4656 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
4659 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4661 ("*insv<mode>_reg_extimm"): Likewise.
4663 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4666 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4667 c_common_type_for_mode returns an unnamed type.
4669 2005-11-02 Richard Henderson <rth@redhat.com>
4673 * dwarf2out.c (dwarf2out_reg_save_reg): New.
4674 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4675 * function.c (assign_parms): Use calls.internal_arg_pointer.
4676 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4678 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4679 (TARGET_CALLS): Add it.
4680 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4681 * targhooks.c (default_internal_arg_pointer): New.
4682 * targhooks.h (default_internal_arg_pointer): Declare.
4683 * tree.h (dwarf2out_reg_save_reg): Declare.
4684 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4685 * config/i386/i386.c (dbx_register_map): Add return column.
4686 (dbx64_register_map, svr4_dbx_register_map): Likewise.
4687 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4688 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4689 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4690 (ix86_save_reg): Save force_align_arg_pointer.
4691 (ix86_emit_save_regs): Make regno unsigned.
4692 (ix86_emit_save_regs_using_mov): Likewise.
4693 (ix86_expand_prologue): Handle force_align_arg_pointer.
4694 (ix86_expand_epilogue): Likewise.
4695 * config/i386/i386.h: (dbx_register_map): Update.
4696 (dbx64_register_map, svr4_dbx_register_map): Update.
4697 (struct machine_function): Add force_align_arg_pointer.
4698 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4699 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4700 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4702 2005-11-02 Jan Hubicka <jh@suse.cz>
4705 * i386.md: Add peep2 for simplyfing array accesses.
4707 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4710 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4711 * config/s390/s390.c (s390_decompose_shift_count): New function.
4712 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4713 (print_shift_count_operand): Use s390_decompose_shift_count.
4714 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4715 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
4717 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4720 * loop.c (loop_givs_rescan): Use force_operand to expand
4723 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
4726 * fold-const.c (build_range_check): Use unsigned when signed
4727 overflow is undefined also. If etype is subtype, make sure that
4728 the subtraction is in the supertype.
4730 2005-11-02 Richard Henderson <rth@redhat.com>
4733 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4736 2005-11-01 Richard Henderson <rth@redhat.com>
4739 * loop.c (scan_loop): Do not propagate computations to a hard
4740 register destination with SMALL_REGISTER_CLASSES.
4742 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
4744 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4745 costs for MULT inside PLUS or MINUS.
4747 2005-11-01 Bob Wilson <bob.wilson@acm.org>
4749 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4750 (TRAMPOLINE_SIZE): Round up to 60.
4751 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4753 2005-10-31 James E. Wilson <wilson@specifix.com>
4756 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4757 ifdef. Put ifdefs around call in gen_subprogram_die.
4758 (compute_frame_pointer_to_cfa_displacement): Likewise.
4759 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4762 PR rtl-optimization/17356
4763 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
4764 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4766 2005-10-31 Jan Hubicka <jh@suse.cz>
4769 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4772 * i386.c (legitimize_pic_address): Deal with large immediates.
4775 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4776 from symbol names while computing checkup.
4779 * predict.c (predict_loops): Do not estimate more than
4780 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4781 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4783 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
4785 PR tree-optimization/19097
4786 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4788 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
4790 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4792 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
4795 * tree-inline.c (setup_one_parameter): If the init_stmt
4796 is NULL, don't insert the statement.
4798 2005-10-30 Jan Hubicka <jh@suse.cz>
4800 PR tree-optimization/24172
4801 * tree-inline.c (copy_body_r): Unshare the substituted value first.
4803 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
4805 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4806 constants for hosts with long != 32 bits.
4808 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
4811 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4813 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
4815 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4816 (TARGET_MS1_16_002): New.
4817 (TARGET_MS1_16_003): New.
4819 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4820 ("*decrement_and_branch_until_zero_no_clobber"): New.
4821 Add corresponding splitter for decrement_and_branch_until_zero
4823 Key all decrement_and_branch_until_zero patterns off of
4826 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
4829 * tree-complex.c (extract_component): Treat RESULT_DECL
4830 like the rest of the decls.
4832 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
4834 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4835 indirect call to _mcount if the function needs a static chain.
4837 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
4838 Caroline Tice <ctice@apple.com>
4840 PR rtl-optimization/24460
4841 * dwarf2out.c (have_switched_text_sections): New boolean variable.
4842 (dwarf2out_switch_text_section): Set it to true instead of
4843 incrementing separate_line_info_table_in_use.
4844 (output_loc_list): Additionally test have_switched_text_sections.
4845 (output_ranges): Likewise.
4846 (dwarf2out_finish): Likewise.
4847 * varasm.c (assemble_start_function): Do not call
4848 insert_section_boundary_note.
4849 (assemble_end_function): If flag_reorder_blocks_and_partition,
4850 switch to the function's section before emitting the .size directive.
4851 * bb-reorder.c (insert_section_boundary_note): Staticify.
4852 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4853 * output.h (insert_section_boundary_note): Delete.
4855 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
4858 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4859 instead of pointer equality when comparing types.
4861 2005-10-24 James E. Wilson <wilson@specifix.com>
4863 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4864 add_dependence_list_and_free calls.
4866 2005-10-24 Steven Bosscher <stevenb@suse.de>
4868 * contrib.texi: Add the names of the LLNL folks who donated
4869 Cray pointer support for gfortran.
4871 2005-10-24 Steven Bosscher <stevenb@suse.de>
4873 PR tree-optimization/24225
4874 * profile.c (branch_prob): Look from end to start through a
4875 basic block when looking for a locus.
4877 2005-10-24 Richard Henderson <rth@redhat.com>
4879 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4881 (hppa_expand_prologue): Likewise.
4883 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4885 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4886 (NO_DEFERRED_PROFILE_COUNTERS): Define.
4887 * pa.h (NO_PROFILE_COUNTERS): Define.
4888 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4889 (funcdef_nos): New vector to hold label numbers of deferred profile
4891 (output_deferred_profile_counters): New function.
4892 (hppa_profile_hook): Push label number onto funcdef_nos.
4893 (pa_hpux_file_end): Call output_deferred_profile_counters if
4894 NO_DEFERRED_PROFILE_COUNTERS is false.
4896 * pa-protos.h (get_deferred_plabel): New prototype.
4897 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
4899 (output_call): Adjust calls.
4901 2005-10-24 Alan Modra <amodra@bigpond.net.au>
4903 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4904 peculiarity of GOT/TOC section usage.
4906 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
4909 * c-common.c (constant_string_class_name): Add documentation.
4911 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
4914 * recog.c (peephole2_optimize): Increment peep2_current_count
4915 only when the slot is empty.
4917 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4920 * except.c (output_function_exception_table): Call
4921 assemble_external_libcall if we need a personality function.
4923 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4925 PR rtl-optimization/24460
4926 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4927 set the basic block for barriers.
4929 2005-10-21 Janis Johnson <janis187@us.ibm.com>
4931 * var-tracking.c (vt_initialize): Initialize post.
4933 2005-10-21 Devang Patel <dpatel@apple.com>
4936 * c-common.c (vector_types_convertible_p): Check vector element type.
4938 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
4940 * config/sh/sh.c (prepare_move_operands): Handle the address
4941 constant which is a tls symbolic address plus a constant.
4943 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
4946 * gcc.c (main): Use the correct counter for erroring out
4947 about mulitple files.
4949 2005-10-21 Alan Modra <amodra@bigpond.net.au>
4952 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4953 use r2 for 64-bit tls .got access.
4955 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
4957 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4960 2005-10-20 Steven Bosscher <stevenb@suse.de>
4962 PR tree-optimization/24307
4963 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4965 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
4968 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4970 * varasm.c (find_decl_and_mark_needed): After cgraph global info
4971 is ready, stop marking functions, but still mark variables.
4973 2005-10-20 Richard Guenther <rguenther@suse.de>
4976 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4979 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
4981 PR rtl-optimization/23585
4982 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4983 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
4984 (may_trap_p_1): New predicate extracted from...
4985 (may_trap_p): ... here. Invoke may_trap_p_1.
4986 (may_trap_or_fault_p): New predicate.
4987 * rtl.h (may_trap_or_fault_p): Declare it.
4988 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4989 instead of may_trap_p.
4990 (steal_delay_list_from_fallthrough): Likewise.
4991 (fill_simple_delay_slots): Likewise.
4992 (fill_slots_from_thread): Likewise.
4993 * function.c (pad_to_arg_alignment): Rework comment about
4994 SPARC_STACK_BOUNDARY_HACK.
4995 * config/sparc/sparc.h: Likewise.
4997 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
4999 * config/s390/s390.c (s390_expand_insv): New.
5000 * config/s390/s390-protos.h (s390_expand_insv): Declare.
5001 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
5002 ("icm_hi"): Remove mode attribute.
5003 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
5005 ("*extracthi", "*extractqi"): Remove.
5006 (extv<mode>", "*extzv<mode>"): New.
5007 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
5008 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
5010 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5012 * cfgexpand.c (discover_nonconstant_array_refs_r,
5013 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
5014 (tree_expand_cfg): Call discover_nonconstant_array_refs.
5015 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
5016 discover_nonconstant_array_refs.
5018 2005-10-19 Steven Bosscher <stevenb@suse.de>
5021 * c-decl.c (pop_scope): Don't warn about an unused variable
5022 if it is marked with TREE_NO_WARNING.
5023 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
5024 somenow mismatch and olddecl is to be replaced.
5026 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
5029 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
5030 whether registers live on the edge can be saved/restored.
5032 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
5034 * config/sh/sh.c (fixup_mova): Skip notes.
5036 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5038 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
5039 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
5040 (s390_can_eliminate): Handle BASE_REGNUM elimination.
5041 (s390_initial_elimination_offset): Likewise.
5042 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
5043 register on TARGET_ZARCH targets.
5044 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
5045 (INITIAL_FRAME_POINTER_OFFSET): Remove.
5046 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
5047 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
5049 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
5051 * config/s390/s390.md: Comment describing output modifiers updated.
5052 * config/s390/s390.c (print_operand): Likewise.
5054 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
5056 * config/s390/s390.c (override_options): Added check for -mstack-size
5058 * doc/invoke.texi: Mention that limit in the documenation.
5060 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
5063 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
5065 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
5067 Fix PR tree-optimization/24231
5069 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
5070 (compute_avail): Ditto.
5072 2005-10-18 Richard Henderson <rth@redhat.com>
5075 * config/i386/i386.c (legitimate_constant_p): Check
5076 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
5078 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
5079 (legitimate_pic_address_disp_p): Reorg CONST checking to make
5080 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
5082 (print_operand_address): Likewise.
5083 * config/i386/predicates.md (x86_64_immediate_operand): Test
5084 SYMBOL_REF_TLS_MODEL properly inside CONST.
5085 (x86_64_zext_immediate_operand): Likewise.
5086 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
5087 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
5088 * config/i386/i386-protos.h: Remove predicates.md entries.
5090 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
5092 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
5093 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
5095 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
5096 Ian Lance Taylor <ian@airs.com>
5099 * fold-const.c (fold_widened_comparison): Do not allow range based
5100 constant folding when right operand cannot be unwidened.
5102 2005-10-17 Richard Henderson <rth@redhat.com>
5104 * builtins.c (expand_builtin_synchronize): Build a new-style asm
5105 with a memory clobber.
5107 2005-10-17 James E Wilson <wilson@specifix.com>
5109 PR rtl-optimization/17356
5110 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
5111 checking for EDGE_EH.
5113 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
5115 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
5116 the slot on an even boundary for any type with 16-byte alignment.
5118 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
5121 * md.texi (Modifiers) <%>: Clarify that % doesn't work
5122 after register allocation.
5124 2005-10-17 DJ Delorie <dj@redhat.com>
5126 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
5129 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
5132 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
5135 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
5137 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
5138 to 2 if it's already non-zero.
5139 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
5140 is set and warn about it if flag_schedule_insns is 1.
5142 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
5144 * config/crx/crx.md: Compare-and-branch instructions need to
5147 2005-10-17 Uros Bizjak <uros@kss-loka.si>
5150 * config/i386/i386.md (*pushdi2_rex64 splitter)
5151 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
5152 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
5153 flow2 pass only when (optimize > 0 && flag_peephole2).
5155 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
5158 * gcc.c (have_c): New static variable.
5160 (process_command): Remove declation of have_c.
5161 Set have_o to 1 when handling -o.
5162 (main): Add a fatel error if there are multiple
5163 files specified and -o and -c/-S is passed witout
5164 -combine or multiple languages.
5166 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
5168 Fix PR tree-optimization/22444
5169 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
5170 Assert that we don't hit something with subvars.
5171 (setup_pointers_and_addressables): Don't add things with subvars,
5172 because we'll already process the subvars for aliasing purposes.
5174 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
5177 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
5178 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
5179 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
5180 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
5181 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
5182 swapped, alternatives for the R constraint.
5185 * builtins.c (get_builtin_sync_mode): Make unlimited
5186 mode_for_size request.
5188 2005-10-15 Richard Henderson <rth@redhat.com>
5190 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
5191 (gimplify_expr): ... here.
5192 (gimplify_compound_lval): Use it in initial scan loop. Allow
5193 fb_lvalue in base expression.
5195 2005-10-15 Richard Henderson <rth@redhat.com>
5198 * builtins.c (expand_builtin_trap): Export.
5199 * expr.h (expand_builtin_trap): Declare.
5200 * expr.c (expand_assignment): Emit a trap for integral offsets
5201 from registers that weren't reduced to bitpos.
5203 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
5204 (mark_array_ref_addressable): Remove.
5205 * tree-flow.h (mark_array_ref_addressable): Remove.
5206 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
5208 2005-10-15 James E Wilson <wilson@specifix.com>
5211 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
5212 (add_dependence_list_and_free): Likewise.
5213 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
5216 2005-10-15 Diego Novillo <dnovillo@redhat.com>
5220 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
5221 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
5223 (vrp_visit_phi_node): Only prevent infinite iterations when
5224 the previous result and the new result are both VR_RANGEs.
5226 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
5228 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
5231 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5234 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
5237 2005-10-14 Per Bothner <per@bothner.com>
5239 PR preprocessor/21250
5240 * c-ppoutput.c (print_line): Print internal line 0 as 1.
5242 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
5245 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
5246 overflow flags. Refactor some conditionals.
5248 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
5251 * tree-dfa.c (add_referenced_var): Only look at decls which
5252 have TREE_CONSTANT or TREE_READONLY set instead of if
5253 !TREE_PUBLIC or !TREE_CONSTANT.
5255 2005-10-13 James E Wilson <wilson@specifix.com>
5257 * doc/invoke.texi: For -x, add f95-cpp-input.
5258 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
5260 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
5262 PR tree-optimization/24262
5263 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
5264 in loop all the time.
5266 2005-10-12 Richard Henderson <rth@redhat.com>
5269 * tree.h (DECL_TRANSPARENT_UNION): Remove.
5270 * function.c (assign_parm_find_data_types): Don't support it.
5271 * print-tree.c (print_node): Likewise.
5272 * c-common.c (handle_transparent_union_attribute): Likewise.
5273 Use build_duplicate_type.
5274 * tree-inline.c (remap_type_1): Split out of remap_type;
5275 properly remap aggregate fields.
5276 (build_duplicate_type): New.
5277 * doc/extend.texi (Variable Attributes): Remove documentation
5278 for transparent_union.
5280 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5283 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
5284 (gen_stack_pointer_dec): Likewise.
5286 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
5290 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
5292 (struct cxx): Add adjust_class_at_definition target hook.
5293 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
5294 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
5295 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
5296 hook_void_tree. Add to TARGET_CXX.
5297 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
5299 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
5300 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
5301 instead of attribute. Check for dllexport override. Warn if
5302 inconsistent dll linkage. Don't lose old dllimport if decl has
5303 had address referenced. Tweak lookup of dllimport atribute.
5304 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
5305 for target specific rules. Don't add dllimport attribute if
5306 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
5307 dllimport attribute.
5308 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
5309 * varasm.c (initializer_constant_valid_p): Replace
5310 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
5314 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
5315 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
5316 (i[34567]86-*-mingw32*): Likewise.
5318 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
5319 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
5321 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
5322 C++-specific code. Change return value to bool.
5323 (i386_pe_dllimport_p): Likewise.
5324 (associated_type): Simplify and make language-independent
5325 (i386_pe_encode_section_info): Replace override of ambiguous
5326 dllimport symbol refs with a gcc_assert.
5327 (i386_pe_valid_dllimport_attribute_p): Define.
5328 * config/i386/winnt-cxx.c: New file. Define C++ versions of
5329 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5330 i386_pe_adjust_class_at_definition.
5331 * config/i386/winnt-stubs.c: New file. Define stub versions of
5332 lang-specific functions.
5333 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
5334 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5335 i386_pe_adjust_class_at_definition.
5336 (i386_pe_valid_dllimport_attribute_p): Declare.
5337 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
5338 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
5339 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
5342 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
5343 dllimport attribute with test of DECL_DLLIMPORT_P.
5345 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
5347 * combine.c (make_extraction): Correct offset computation.
5349 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
5351 * config/cris/t-linux (LIMITS_H_TEST): Define.
5353 2005-10-12 Richard Henderson <rth@redhat.com>
5356 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
5358 2005-10-12 Richard Guenther <rguenther@suse.de>
5360 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
5362 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
5365 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
5366 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
5369 2005-10-12 Richard Guenther <rguenther@suse.de>
5372 * varasm.c (output_constant): Correct typo from previous
5375 2005-10-11 Ian Lance Taylor <ian@airs.com>
5377 PR rtl-optimization/13931
5378 * combine.c: Revert patch of 2003-05-14, and:
5379 (try_combine): Only set elim_i1 and elim_i2 if the destination is
5380 completely killed in the appropriate insn.
5381 (distribute_notes): Don't skip multiple hard register test for
5382 elim_i1 and elim_i2.
5384 2005-10-11 Richard Henderson <rth@redhat.com>
5387 * c-typeck.c (convert_for_assignment): Use build_constructor_single
5388 to initialize a transparent union instead of a nop_expr.
5390 2005-10-11 Richard Henderson <rth@redhat.com>
5392 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
5393 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
5394 (tree_ssa_dce_loop): Call scev_reset.
5397 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
5398 * tree-ssa-dce.c: Include cfgloop.h.
5399 (tree_ssa_dce_loop, pass_dce_loop): New.
5400 * tree-pass.h (pass_dce_loop): Declare it.
5401 * passes.c (init_optimization_passes): Use it.
5403 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5406 * convert.c (convert_to_real): Revert 2005-10-05 patch.
5407 Only apply the optimization for rounding builtins if the inner
5408 cast is also an extension.
5410 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
5413 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
5414 mark_new_vars_to_rename instead of update_stmt.
5416 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
5418 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
5420 2005-10-11 Jakub Jelinek <jakub@redhat.com>
5422 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
5423 for setting MMX register to 0 rather than mmx.
5425 2005-10-10 Steve Ellcey <sje@cup.hp.com>
5428 * configure.ac: Move gas check from mips specific case to common case.
5429 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
5430 * configure: Regenerate
5431 * doc/install.texi: Update.
5433 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5436 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
5438 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
5440 * gcc.c (do_spec_1): Accept numeric characters in file name
5443 2005-10-10 Nick Clifton <nickc@redhat.com>
5445 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
5446 describing the deleted arm_gen_rotated_half_load function.
5448 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
5450 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
5453 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
5455 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
5457 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
5458 (EXTRA_MULTILIB_PARTS): Define.
5459 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5460 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5461 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
5462 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5463 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5464 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
5466 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
5468 PR tree-optimization/24226
5469 * tree-cfg.c (remove_bb): Clean up unreachable loops.
5470 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
5471 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
5474 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5476 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
5478 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
5481 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
5482 Rewrite for no need for the early clobber.
5484 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
5486 Merge from csl-arm-branch:
5487 2005-09-07 Paul Brook <paul@codesourcery.com>
5488 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
5491 2005-04-30 Paul Brook <paul@codesourcery.com>
5492 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
5493 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
5495 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
5496 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
5497 (arm_override_options): Use TARGET_AAPCS_BASED.
5498 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
5499 (PTRDIFF_TYPE): Use int for AAPCS.
5500 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
5501 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
5502 (DEFAULT_SHORT_ENUMS): Delete.
5503 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
5505 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
5506 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
5507 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
5508 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
5510 2004-12-03 Mark Mitchell <mark@codesourcery.com>
5511 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
5513 2004-11-22 Mark Mitchell <mark@codesourcery.com>
5514 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
5516 2004-11-19 Mark Mitchell <mark@codesourcery.com>
5517 * config.gcc (arm*-*-linux-gnueabi): Add it.
5518 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
5520 (TARGET_OS_CPP_BUILTINS): Likeiwse.
5521 * config/arm/linux-eabi.h: New file.
5522 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
5523 (LINUX_TARET_LINK_SPEC): Likewise.
5524 (LINK_SPEC): Use it.
5525 * config/arm/t-linux-eabi: New file.
5527 2005-10-08 Steven Bosscher <stevenb@suse.de>
5530 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
5532 (PARAM_SMS_DFA_HISTORY): Likewise.
5534 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
5537 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5538 (load_register_parameters): Call it.
5539 (check_sibcall_argument_overlap_1): Likewise.
5540 (store_one_arg): Likewise.
5542 2005-10-07 James E. Wilson <wilson@specifix.com>
5544 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5545 DImode not VECINT24 for operand 2.
5548 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5552 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5553 fr_spill): Use destination_operand for operand 0.
5555 2005-10-07 DJ Delorie <dj@redhat.com>
5557 * varasm.c (output_constant): Limit error to expanding
5560 2005-10-07 Richard Guenther <rguenther@suse.de>
5563 * fold-const.c (fold_binary): Fix operand types during folding
5564 of X op (A, Y). Evaluation order of the side-effects of
5565 X and A are frontend-defined, so ensure we honour that even for
5566 tcc_comparison class operands; eased by removing duplicate code.
5568 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5570 * stor-layout.c (layout_type): Do not allow alignment of array
5571 elements to be greater than their size.
5573 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5575 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5577 (hppa*-*-linux*): Ditto.
5578 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5579 * config/host-hpux.c: New.
5580 * config/x-hpux: New.
5581 * config/pa/x-hpux: Remove.
5582 * config/pa/x-linux: Remove.
5583 * config/pa/pa-host.c: Remove.
5585 2005-10-07 Jeff Law <law@redhat.com>
5587 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5588 determine whether or not to try and thread outgoing edges.
5590 2005-10-07 David Edelsohn <edelsohn@gnu.org>
5592 * config/rs6000/rs6000.md (eqsi_power): New.
5593 (neg_eq0si): Add TARGET_POWER to final condition.
5596 2005-10-06 Richard Henderson <rth@redhat.com>
5598 * config/rs6000/rs6000.c: Revert last change.
5600 2005-10-06 Richard Henderson <rth@redhat.com>
5602 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5603 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5605 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
5609 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5610 out return_label and naked_return_label.
5612 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5614 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5617 2005-10-06 Richard Henderson <rth@redhat.com>
5620 * tree-inline.c (declare_return_variable): Handle modify_dest not
5623 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5625 Fix PR tree-optimization/22488
5626 * tree-ssa-structalias.c (check_for_overlaps): New function.
5627 (create_variable_info_for): Use it.
5629 2005-10-06 Richard Henderson <rth@redhat.com>
5632 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5633 (dwarf2out_start_source_file): Print it.
5635 2005-10-06 Geoffrey Keating <geoffk@apple.com>
5637 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5639 2005-10-06 Richard Henderson <rth@redhat.com>
5642 * mode-switching.c (optimize_mode_switching): Clear transp bit
5643 for block with incomming abnormal edges.
5645 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5646 (fpscr_set_from_mem): Use them.
5647 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5648 (fpscr postinc splitters): Rewrite as peephole2+split.
5650 2005-10-06 David Edelsohn <edelsohn@gnu.org>
5652 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5653 (eq<mode>_compare): Same.
5655 2005-10-06 Richard Guenther <rguenther@suse.de>
5657 PR tree-optimization/24238
5658 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5660 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
5662 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5663 here. Use AC_PATH_PROG for environment variables instead of
5665 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
5667 * configure: Regenerated.
5669 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
5672 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5673 then force it into a register.
5674 (call_value): Likewise.
5676 2005-10-06 Richard Henderson <rth@redhat.com>
5679 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5680 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
5681 under pass_vectorize.
5683 2005-10-05 Devang Patel <dpatel@apple.com>
5686 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5687 handling constants. Check NAMESPACE_DECL context for constants.
5689 2005-10-05 Eric Christopher <echristo@apple.com>
5691 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5693 2005-10-05 Richard Henderson <rth@redhat.com>
5696 * tree-cfg.c (mark_array_ref_addressable_1): New.
5697 (mark_array_ref_addressable): New.
5698 * tree-flow.h (mark_array_ref_addressable): Declare.
5699 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5701 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
5705 * reload.c (subst_reloads): When adding a REG_LABEL to a
5706 jump instruction, also update JUMP_LABEL.
5708 2005-10-05 David Edelsohn <edelsohn@gnu.org>
5710 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5711 * bb-reorder.c (copy_bb_p): Use it.
5712 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5714 2005-10-05 Richard Henderson <rth@redhat.com>
5717 * toplev.c (process_options): Warn about unsupported combinations
5718 of unwind tables and omit-frame-pointer.
5719 * config/i386/i386.c (override_options): Similarly. Enable
5720 accumulate-outgoing-args if not explicitly disabled.
5722 2005-10-05 Steve Ellcey <sje@cup.hp.com>
5724 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5725 Handle big endian vs. small endian.
5726 (vec_initv2sf): Handle big endian vs. small endian.
5727 (*vec_extractv2sf_1): Ditto.
5729 2005-10-05 Dale Johannesen <dalej@apple.com>
5731 * convert.c (convert_to_real): Don't convert
5732 (float)floor(double d) to floorf((float)d).
5734 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
5736 * config/arm/arm.md (insv): Use gen_int_mode in more places.
5738 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
5740 PR tree-optimization/18587
5741 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5742 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5743 build_vuses): Change to VEC type.
5744 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5745 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5746 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5747 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5748 (get_name_decl): New. Return DECL_UID of base variable.
5749 (operand_build_cmp): New. qsort comparison routine.
5750 (operand_build_sort_virtual): New. Sort virtual build vector.
5751 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5752 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5753 (FINALIZE_BASE): Use get_name_decl.
5754 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5755 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5756 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5757 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5758 direct VEC_* manipulations.
5759 (build_ssa_operands): Call operand_build_sort_virtual.
5760 (copy_virtual_operand, create_ssa_artficial_load_stmt,
5761 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5762 with direct VEC_* manipulations.
5763 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5764 with direct VEC manipulations.
5766 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
5768 PR tree-optimization/21419
5769 PR tree-optimization/24146
5770 PR tree-optimization/24151
5772 * c-typeck.c (readonly_error): Handle USE being lv_asm.
5773 (build_asm_expr): Call it if outputs are read-only.
5774 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5776 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
5777 Paolo Bonzini <bonzini@gnu.org>
5781 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5782 enable the instructions and not just the built-ins.
5783 * doc/invoke.texi (x86 Options): Likewise.
5785 2005-10-04 Geoffrey Keating <geoffk@apple.com>
5787 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5789 * doc/invoke.texi (Option Summary): Correct spelling
5790 of -mmacosx-version-min.
5792 2005-10-04 Devang Patel <dpatel@apple.com>
5794 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5797 2005-10-04 Steve Ellcey <sje@cup.hp.com>
5799 * tree-vect-transform.c (vect_create_epilog_for_reduction):
5800 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5802 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
5804 * config/s390/s390.md ("TDSI","DP"): New mode macros.
5805 ("TE","tg"): New mode attributes.
5806 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5807 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5808 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5809 dword_mode and one for GPRmode.
5811 2005-10-04 Ian Lance Taylor <ian@airs.com>
5813 PR preprocessor/13726
5814 * c-ppoutput.c (cb_include): Add comments parameter, and print out
5815 any comments passed in.
5817 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5819 * tree.c (annotate_with_file_line): Fix typo.
5821 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5824 * builtins.c (fold_builtin_memcmp): When constructing the pointer
5825 type used to access data in the inlined length == 1 case, use
5826 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5827 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5829 2005-10-04 Uros Bizjak <uros@kss-loka.si>
5831 * config/i386/i386.h (TARGET_FISTTP): Enable also for
5832 TARGET_SSE3 and only for TARGET_80387.
5833 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5834 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5835 Do not depend on TARGET_80387.
5837 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5839 * tree.c (last_annotated_node): Change type to location_t*.
5840 (annotate_with_file_line): Reflect the change of
5841 last_annotated_node type.
5843 2005-10-04 Richard Guenther <rguenther@suse.de>
5846 * c-decl.c (grokdeclarator): Don't write to fields
5849 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5852 * c-decl.c (finish_decl): Use set_user_assembler_name even for
5854 * varasm.c (make_decl_rtl): If a register variable does not
5855 have a set user assmbler name, error out.
5856 Decode the asmspec is now name+1 bypassing '*'.
5858 2005-10-04 Steven Bosscher <stevenb@suse.de>
5860 PR tree-optimization/23049
5861 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5862 of a COND_EXPR is folded before calling fold on the whole rhs of a
5863 conditional assignment.
5864 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5865 document that a COND_EXPR may appear there.
5867 2005-10-03 Diego Novillo <dnovillo@redhat.com>
5870 * tree-vrp.c (extract_range_from_assert): If the new numeric
5871 range created out of the assertion contradicts the existing
5872 numeric range of the ASSERT_EXPR variable, make the new range
5875 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
5877 * config/sh/sh.c (sh_register_move_cost): Add case for moving
5878 from T_REGS to FP register class.
5880 2005-10-03 Richard Henderson <rth@redhat.com>
5883 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5884 before creating a new one.
5886 2005-10-03 David Edelsohn <edelsohn@gnu.org>
5888 * config/rs6000/t-aix43 (LDFLAGS): New.
5889 * config/rs6000/t-aix52 (LDFLAGS): New.
5891 2005-10-03 Ian Lance Taylor <ian@airs.com>
5893 * gimplify.c (find_single_pointer_decl_1): New static function.
5894 (find_single_pointer_decl): New static function.
5895 (internal_get_tmp_var): For a formal variable, set restrict base
5896 information if appropriate.
5897 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5899 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5900 (DECL_GET_RESTRICT_BASE): Define.
5901 (SET_DECL_RESTRICT_BASE): Define.
5902 (decl_restrict_base_lookup): Declare.
5903 (decl_restrict_base_insert): Declare.
5904 (struct tree_decl_with_vis): Add based_on_restrict_p field.
5905 * tree.c (restrict_base_for_decl): New static variable.
5906 (init_ttree): Initialize restrict_base_for_decl.
5907 (copy_node_stat): Copy restrict base information.
5908 (decl_restrict_base_lookup): New function.
5909 (decl_restrict_base_insert): New function.
5910 (print_restrict_base_statistics): New static function.
5911 (dump_tree_statistics): Call print_restrict_base_statistics.
5913 2005-10-02 Diego Novillo <dnovillo@redhat.com>
5916 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5917 case of anti-ranges.
5919 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
5922 * c-typeck.c (tagged_tu_seen): Rename to ...
5923 (tagged_tu_seen_cache): this and add val field.
5924 (comptypes): Move functional to comptypes_internal
5925 and free tagged_tu_seen.
5926 (comptypes_internal): New function and call comptypes_internal
5927 instead of comptypes. Speed up by sibcalling
5928 tagged_types_tu_compatible_p.
5929 (alloc_tagged_tu_seen): New function
5930 (free_all_tagged_tu_seen_up_to): New function.
5931 (tagged_types_tu_compatible_p): Return the val of the seen two
5933 Add that the two types are the same to tagged_tu_seen_base
5934 if they are and call comptypes_internal instead of comptypes.
5935 <case UNION_TYPE>: Speed up common type where the fields are
5937 (function_types_compatible_p): Call comptypes_internal instead of
5939 (type_lists_compatible_p): Likewise.
5940 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5942 2005-10-02 Matthias Klose <doko@debian.org>
5944 * doc/invoke.texi: Fix typo and speling error.
5946 2005-10-01 Richard Henderson <rth@redhat.com>
5948 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5950 2005-10-01 Mark Mitchell <mark@codesourcery.com>
5952 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5953 using --start-group and --end-group.
5955 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5957 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5958 FIXME note regarding quirky semantics.
5960 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5963 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5964 non-null range as a last resort.
5966 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
5967 Diego Novillo <dnovillo@redhat.com>
5970 * tree-vrp.c (extract_range_from_assert): For !=
5971 assertions, only build an anti-range if LIMIT is a
5972 single-valued range.
5974 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
5976 * arm.md (movqi): On thumb when optimizing, handle loading from
5977 memory by describing this as taking a subreg of a zero-extended load
5978 into an SImode register.
5981 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
5983 * reload1.c (merge_assigned_reloads): Do not change any
5984 RELOAD_FOR_OUTPUT_ADDRESS reloads.
5986 2005-09-30 Geoffrey Keating <geoffk@apple.com>
5988 * Makefile.in (LIPO_FOR_TARGET): Define.
5989 (STRIP_FOR_TARGET): Define.
5991 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5992 before creating new ones. Do symlinks before creating the actual
5995 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5996 to work out which multilibs are actually being built.
5998 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
6000 * tree-vect-transform.c, config/ms1/ms1.md,
6001 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
6002 Follow spelling conventions.
6003 * doc/invoke.texi, doc/md.texi: Fix typos.
6005 2005-09-30 Andrew Macleod <amacleod@redat.com>
6007 PR tree-optimization/21430
6008 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
6009 use operands, and set stmt pointer if need be.
6010 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
6011 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
6014 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6017 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
6019 2005-09-29 Mark Mitchell <mark@codesourcery.com>
6021 * optabs.c (expand_binop): Initialize first_pass_p.
6023 2005-09-29 Jakub Jelinek <jakub@redhat.com>
6026 * c-decl.c (c_write_global_declarations_1): If any
6027 wrapup_global_declaration_2 call returned true, restart the loop.
6029 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
6031 Fix PR tree-optimization/24117
6032 * tree-ssa-structalias.c (find_func_aliases): Strip nops
6033 before considering whether to use anyoffset.
6035 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
6039 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
6041 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6043 (swap_commutative_operands_with_target): New.
6045 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
6048 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
6051 2005-09-29 Steven Bosscher <stevenb@suse.de>
6053 PR tree-optimization/23911
6054 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
6055 and IMAGPART_EXPR too.
6057 2005-09-28 Mark Mitchell <mark@codesourcery.com>
6060 * expmed.c (expand_shift): Move logic to reverse rotation
6061 direction when rotating by constants ...
6062 * optabs.c (expand_binop): ... here.
6063 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
6064 (ix86_rotrdi3): New pattern.
6065 (rotldi3): Handle 32-bit mode.
6066 (ix86_rotldi3): New pattern.
6068 2005-09-29 Alan Modra <amodra@bigpond.net.au>
6071 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
6072 check for numbers that need no bit twiddle.
6074 2005-09-28 Geoffrey Keating <geoffk@apple.com>
6076 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
6077 multilib to be built.
6079 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
6080 (stage1-start): Delete old libgcc and libunwind before moving
6081 anything into the stage directory.
6082 (stage2-start): Likewise.
6083 (stage3-start): Likewise.
6084 (stage4-start): Likewise.
6085 (stageprofile-start): Likewise.
6086 (stagefeedback-start): Likewise.
6087 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
6088 header in tm_file and CPU-specific t-darwin in tmake_file.
6089 (i[34567]86-*-darwin*): Don't change tm_file.
6090 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
6091 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
6092 shared library stub for target OS version.
6093 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
6094 (SHLIB_LINK): Don't make SHLIB_SOLINK.
6095 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
6096 (libgcc_s.%.dylib): New.
6098 (install-darwin-libgcc-stubs): New.
6099 (INSTALL_LIBGCC): New append.
6100 * config/i386/darwin-libgcc.10.4.ver: New.
6101 * config/i386/darwin-libgcc.10.5.ver: New.
6102 * config/i386/t-darwin: New.
6103 * config/rs6000/darwin-libgcc.10.4.ver: New.
6104 * config/rs6000/darwin-libgcc.10.5.ver: New.
6105 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
6106 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
6108 2005-09-28 Paul Brook <paul@codesourcery.com>
6110 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
6113 2005-09-28 Richard Guenther <rguenther@suse.de>
6115 PR tree-optimization/23853
6116 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
6117 host_integerp to verify misalignment value.
6119 2005-09-28 Richard Henderson <rth@redhat.com>
6121 * builtins.c (get_builtin_sync_mode): New.
6122 (expand_builtin_sync_operation): Pass in mode argument.
6123 (expand_builtin_compare_and_swap): Likewise.
6124 (expand_builtin_lock_test_and_set): Likewise.
6125 (expand_builtin_lock_release): Likewise.
6126 (expand_builtin): Update to match.
6128 2005-09-28 Nick Clifton <nickc@redhat.com>
6130 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
6131 formatting. Add check to PLUS case to ensure that the offset is
6132 within an acceptable range.
6134 * config/v850/v850.md (casesi): Disable the generation of the
6135 switch pattern as it is not being handled properly at the moment.
6137 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
6138 for when the high words are identical.
6140 2005-09-27 Richard Henderson <rth@redhat.com>
6142 * pretty-print.c (pp_base_format): Fix typo for %>.
6144 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
6145 Devang Patel <dpatel@apple.com>
6147 PR tree-optimization/23625
6148 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
6149 LABEL_EXPR, assertion check.
6151 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
6153 * optabs.c (no_conflict_move_test): Check if a result of a
6154 to-be-moved insn would be clobbered by an originally
6157 2005-09-27 Jeff Law <law@redhat.com>
6159 * passes.c (init_optimization_passes): Replace copy propagation
6160 passes immediately after DOM with phi-only copy propagation
6161 pases. Add phi-only copy propagation pass after first DOM pass.
6162 * tree-pass.h (pass_phi_only_copy_prop): Declare.
6163 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
6164 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
6165 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
6166 to init_copy_prop. Callers updated.
6167 (do_phi_only_copy_prop): New function.
6168 (pass_phi_only_copy_prop): New pass descriptor.
6170 2005-09-27 Nick Clifton <nickc@redhat.com>
6172 * libgcc2.c (__popcount_tab): Remove redundant prototype.
6174 2005-09-26 Jason Merrill <jason@redhat.com>
6177 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
6179 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
6181 2005-09-26 James E Wilson <wilson@specifix.com>
6183 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
6184 copyright. Add gcc copyright plus libgcc exception.
6185 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
6187 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
6189 2005-09-26 Jeff Law <law@redhat.com>
6191 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
6192 about when to iterate.
6194 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
6197 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
6198 for __complex__ double in -mcpu=G5 mode.
6200 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
6202 PR tree-optimization/23942
6203 * Makefile.in (SCEV_H): Depends on PARAMS_H.
6204 * tree-scalar-evolution.c: Include params.h.
6206 (follow_ssa_edge, follow_ssa_edge_in_rhs,
6207 follow_ssa_edge_in_condition_phi_branch,
6208 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
6209 Change return type to t_bool. Use a parameter to limit the size of
6210 trees that are walked before stopping
6211 (analyze_evolution_in_loop): Initialize the limit to 0.
6212 (follow_ssa_edge): Give up by returning t_dont_know if the limit
6213 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
6215 2005-09-26 Uros Bizjak <uros@kss-loka.si>
6218 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
6219 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
6221 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
6223 * combine.c (make_extraction): Check for valid use of subreg.
6225 2005-09-26 Uros Bizjak <uros@kss-loka.si>
6228 * config/i386/i386.md ("*fistdi2_1"): New pattern.
6229 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
6230 ("fist<mode>2_with_temp"): Use only register operands.
6232 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
6234 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
6235 CALL_INSN_FUNCTION_USAGE.
6237 2005-09-26 Richard Guenther <rguenther@suse.de>
6240 * gcse.c: Include hashtab.h, define ldst entry hashtable.
6241 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
6242 (ldst_entry): Use the hashtable instead of list-walking.
6243 (find_rtx_in_ldst): Likewise.
6244 (free_ldst_entry): Free the hashtable.
6245 (compute_ld_motion_mems): Create the hashtable.
6246 (trim_ld_motion_mems): Remove entry from hashtable if
6247 removing it from list.
6248 (compute_store_table): Likewise^2.
6249 (store_motion): Free hashtable in case we did not see
6252 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
6254 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
6255 and arg1 if we are passing them to fold_build2.
6257 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
6260 * config/i386/i386.c (ix86_function_regparm): Fix the test for
6263 2005-09-25 Richard Henderson <rth@redhat.com>
6265 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
6266 SYMBOL_REF_TLS_MODEL to be correct.
6268 2005-09-24 Richard Henderson <rth@redhat.com>
6270 * ipa-type-escape.c (discover_unique_type): Remove dead code at
6271 end of function. Reindent.
6273 2005-09-24 Ian Lance Taylor <ian@airs.com>
6275 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
6276 NEGATE_EXPR/BIT_NOT_EXPR case.
6278 2005-09-24 Richard Henderson <rth@redhat.com>
6280 * c-common.c (handle_mode_attribute): When not modifying in place,
6281 create subtypes for enumerations.
6282 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
6283 * gimplify.c (create_tmp_from_val): Likewise.
6285 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
6287 * config/i386/i386.md (*tls_global_dynamic_64,
6288 *tls_local_dynamic_base_64): Add missing mode to call.
6289 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
6291 2005-09-24 Jan Hubicka <jh@suse.cz>
6293 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
6294 (cgraph_clone_node): Likewise.
6295 * cgraph.h (cgraph_clone_edge): Update prototype.
6296 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
6297 duplicated prototypes; add updating argument.
6298 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
6299 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
6301 (cgraph_mark_inline_edge): Likewise.
6302 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
6303 (cgraph_flatten_node): Likewise.
6304 (cgraph_decide_recursive_inlining): Likewise.
6305 (cgraph_decide_inlining_of_small_function): Likewise.
6306 * tree-optimize.c (tree_rest_of_compilation): Likewise.
6308 2005-09-23 David Edelsohn <edelsohn@gnu.org>
6309 Pete Steinmetz <steinmtz@us.ibm.com>
6311 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
6312 (rldic.): Set type to "compare".
6314 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
6315 mfjmpr for MFCTR/MFLR.
6316 (movdf_hardfloat64): Same.
6317 (movdf_softfloat64): Same. Correct order of store and move types.
6318 (movti_string): Set type to store_ux/load_ux.
6319 (load_multiple): Set type to load_ux.
6320 (store_multiple): Set type to store_ux.
6321 (movmemsi): Set type to store_ux.
6322 (output_cbranch direct_return): Set type to jmpreg.
6323 (stmw): Set type to store_ux.
6324 (lmw): Set type to load_ux.
6325 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
6326 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
6327 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
6328 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
6329 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
6330 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
6331 (rios1-fpstore): Increase latency to 3.
6332 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
6333 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
6335 2005-09-23 David Edelsohn <edelsohn@gnu.org>
6336 Andrew Pinski <pinskia@physics.uc.edu>
6338 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
6339 operand2 constraint to "b".
6340 (sync_<fetchop_name>di_internal): Same.
6341 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
6343 (sync_old_<fetchop_name>di_internal): Same.
6344 (sync_new_<fetchop_name>si_internal): Same.
6345 (sync_new_<fetchop_name>di_internal): Same.
6347 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
6350 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
6351 case, define as macros.
6353 PR rtl-optimization/23837
6354 * optabs.c (no_conflict_move_test): Don't set must_stay for a
6355 clobber / clobber match between dest and p->first.
6357 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
6358 (no_conflict_move_test): Update comments.
6360 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6362 * doc/install.texi: Update URL for Jacks.
6363 * doc/sourcebuild.texi: Likewise.
6365 2005-09-22 David Edelsohn <edelsohn@gnu.org>
6368 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
6369 registers when choosing register preferences.
6370 (movdf_hardfloat64): Same.
6372 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
6374 * expmed.c (expand_shift): Don't use the target of the rotate as
6375 target for the first expanded shift insn.
6376 * testsuite/gcc.dg/20050922-1.c: Testcase added.
6378 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
6380 PR tree-optimization/22438
6381 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
6382 preserved iv rhs rewriting specially.
6384 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
6386 * tree-data-ref.c (analyze_array_indexes): Only estimate when
6387 estimate_only is true.
6388 * tree-flow.h (ref_contains_indirect_ref): New prototype.
6389 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
6390 tree-ssa-structalias.c
6391 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
6392 ref_contains_indirect_ref.
6393 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
6395 2005-09-21 DJ Delorie <dj@redhat.com>
6397 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
6399 (mn10300_return_in_memory): Support variable size types also.
6400 (mn10300_pass_by_reference): Likewise.
6401 (mn10300_function_value): New.
6402 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
6403 (FUNCTION_OUTGOING_VALUE): Likewise.
6404 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
6405 * doc/invoke.texi: Document it.
6407 2005-09-21 Uros Bizjak <uros@kss-loka.si>
6410 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
6411 force integer op1 into register for XFmode compares.
6413 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6416 * expmed.c (alg_code): Add alg_impossible.
6417 (alg_hash_entry): Add cost.
6418 (synth_mult): Record alg_impossible in the hash table if
6419 multiplication by a given integer is impossble within the
6420 limit. Speed up using alg_impossible.
6422 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
6424 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
6425 argument. Allow and set any offset if needs_anyoffset is passed
6427 (get_constraint_for): Add argument here too.
6429 (do_structure_copy): Pass NULL to get_constraint_for.
6430 (handle_ptr_arith): Ditto.
6431 (find_func_aliases): Ditto.
6433 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
6435 PR rtl-optimization/23898
6436 * output.h (get_attr_min_length): Declare.
6437 * final.c (get_attr_length_1): New function, broken out of:
6439 (get_attr_min_length): New function.
6440 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
6441 (duplicate_computed_gotos): Likewise.
6442 * genattr.c (insn_min_length): Generate declaration.
6443 * genattrtab.c (min_fn, min_attr_value): New functions.
6444 (make_length_attrs): Generate insn_min_length.
6446 2005-09-20 Steve Ellcey <sje@cup.hp.com>
6448 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
6450 2005-09-20 Richard Henderson <rth@redhat.com>
6452 PR tree-optimization/24059
6453 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
6456 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
6458 * c.opt (fextended-identifiers): New.
6459 * c-opts.c (c_common_handle_option): Handle
6460 -fextended-identifiers.
6461 * doc/cpp.texi: Update documentation of extended identifiers.
6462 * doc/cppopts.texi (-fextended-identifiers): Document.
6464 2005-09-20 Jakub Jelinek <jakub@redhat.com>
6466 PR tree-optimization/23929
6467 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
6470 PR tree-optimization/23818
6471 * tree-stdarg.c (execute_optimize_stdarg): Call
6472 calculate_dominance_info.
6474 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
6476 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
6477 (analyze_siv_subscript_cst_affine): Add weak SIV test.
6478 (compute_overlap_steps_for_affine_1_2): Use
6479 get_number_of_iters_for_loop.
6480 (analyze_subscript_affine_affine): Check whether difference is
6482 Use get_number_of_iters_for_loop.
6483 Check whether overlap occurs outside of bounds.
6484 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
6486 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
6488 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
6489 base register if possible.
6491 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
6493 PR tree-optimization/18463
6494 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
6495 converting it directly is not possible.
6496 (chrec_convert_aggressive): New function.
6497 * tree-chrec.h (chrec_convert_aggressive): Declare.
6498 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
6499 Fold chrec conversions aggressively if asked to.
6500 (instantiate_parameters): Modified because of changes in
6501 instantiate_parameters_1.
6503 2005-09-19 Richard Henderson <rth@redhat.com>
6505 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
6506 (reduc_splus_v2df): New.
6508 2005-09-19 Richard Sandiford <richard@codesourcery.com>
6510 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
6511 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
6513 2005-09-19 Richard Henderson <rth@redhat.com>
6515 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
6518 2005-09-19 Richard Henderson <rth@redhat.com>
6520 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
6521 (ia64_expand_dot_prod_v8qi): New.
6522 * config/ia64/ia64-protos.h: Update.
6523 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
6524 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
6525 sdot_prodv8qi, sdot_prodv4hi): New.
6526 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
6528 2005-09-19 Richard Henderson <rth@redhat.com>
6531 * real.c (exact_real_truncate): Return false if the format cannot
6532 represent the number as a normal.
6534 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6535 for a memory source.
6537 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
6539 * tree-ssa-operands.c (swap_tree_operands): Export.
6540 * tree.h (swap_tree_operands): Declare.
6541 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6542 Call swap_tree_operands.
6544 2005-09-19 Richard Henderson <rth@redhat.com>
6546 * tree-flow.h (merge_alias_info): Declare.
6547 * tree-ssa-copy.c (merge_alias_info): Export.
6548 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6549 (vect_create_data_ref_ptr): Use create_iv directly.
6550 (vectorizable_load): Use correct types for integer constants.
6551 (vect_generate_tmps_on_preheader): Likewise.
6552 (vect_gen_niters_for_prolog_loop): Likewise.
6554 2005-09-19 Steven Bosscher <stevenb@suse.de>
6556 PR rtl-optimization/23943
6557 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6559 2005-09-18 Jan Hubicka <jh@suse.cz>
6561 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6563 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
6565 * varasm.c (output_constant): Do not abort on conversions to union
6566 types between different sizes.
6568 2005-09-18 Richard Guenther <rguenther@suse.de>
6571 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6574 2005-09-18 Paul Brook <paul@codesourcery.com>
6576 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6578 2005-09-17 Richard Henderson <rth@redhat.com>
6580 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6581 * tree-ssa-loop.c (pass_vect_dce): Remove.
6582 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6585 2005-09-17 Richard Henderson <rth@redhat.com>
6587 * tree-pass.h (pass_vect_dce): Declare.
6588 * passes.c (init_optimization_passes): Add it.
6589 * tree-flow.h (tree_ssa_dce): Declare.
6590 * tree-ssa-dce.c (tree_ssa_dce): Export.
6591 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6592 (gate_tree_vectorize): ... here.
6593 (pass_vect_dce): New.
6595 2005-09-17 Jan Hubicka <jh@suse.cz>
6597 * except.c (struct eh_status): Turn region_array into vec.
6598 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6599 convert_from_eh_region_ranges, find_exception_handler_labels,
6600 current_function_has_exception_handlers, assign_filter_values,
6601 build_post_landing_pads, dw2_build_landing_pads,
6602 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6603 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6604 foreach_reachable_handler, can_throw_internal_1,
6605 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6607 (duplicate_eh_region_1): Update region_array.
6608 (duplicate_eh_regions): Resize region_array and avoid recomputing.
6610 2005-09-17 David Edelsohn <edelsohn@gnu.org>
6613 * expmed.c (expand_mult): Substitute simple register for op0 when
6616 2005-09-17 Richard Henderson <rth@redhat.com>
6618 * expr.c (emit_move_via_integer): Add force argument, pass it on
6619 to emit_move_change_mode. Update callers.
6620 (emit_move_complex): Pass true to new force argument.
6621 * function.c (expand_function_end): Move expand_eh_return call
6622 earlier. Merge sub-word complex values into a pseudo before
6623 copying to the return hard register.
6625 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
6627 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6628 between different sizes.
6630 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
6634 * passes.c (init_optimization_passes): Register dump files for
6637 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
6639 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6640 * config/s390/s390.c (s390_overlap_p): New function.
6641 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6642 peephole2, "*xc" peephole2): Added overlap check to the peephole2
6645 2005-09-16 Richard Guenther <rguenther@suse.de>
6647 * ipa-pure-const.c (static_execute): Free auxiliar information.
6648 * ipa-type-escape.c (discover_unique_type): Free temporary key.
6649 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6651 2005-09-15 DJ Delorie <dj@redhat.com>
6653 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6655 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
6657 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6659 (swap_commutative_operands_with_target): New.
6661 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
6663 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6666 (estimate_iters_using_array): New function.
6667 * tree-data-ref.h (estimate_iters_using_array): Prototype
6668 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6669 Use estimate_iters_using_array instead of analyze_array.
6671 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
6673 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6676 2005-09-15 Michael Matz <matz@suse.de>
6678 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6680 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
6682 PR tree-optimization/23835
6683 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6684 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6686 2005-09-14 Richard Henderson <rth@redhat.com>
6688 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6689 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6691 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
6693 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6694 in the ARRAY_TYPE case.
6696 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
6698 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6700 2005-09-14 Uros Bizjak <uros@kss-loka.si>
6703 * tree-vect-transform.c (vectorizable_operation): Return false for
6704 scalar shift operations and for vector shift operations with
6705 non-invariant shift arguments. Use scalar tree operand op1 as
6706 a shift operand when vector shift insn pattern uses scalar shift
6708 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6710 2005-09-14 Olivier Hainque <hainque@adacore.com>
6712 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6713 value if it has side-effects.
6715 2005-09-14 David Edelsohn <edelsohn@gnu.org>
6718 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6720 2005-09-14 Alan Modra <amodra@bigpond.net.au>
6722 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6723 passed as NAME as if it were label at start of function code.
6725 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
6727 * config/sh/sh.md (*movv4sf_i): Add general register cases to
6730 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6732 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6733 as early clobber. Rewrite so the PIC register is not implicitly used.
6735 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6737 * tree.c (annotate_with_file_line): Compare line numbers before
6740 2005-09-13 Uros Bizjak <uros@kss-loka.si>
6743 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6744 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6746 2005-09-13 Ian Lance Taylor <ian@airs.com>
6748 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6749 than a HOST_WIDEST_INT to gen_doloop_begin.
6751 2005-09-13 Diego Novillo <dnovillo@redhat.com>
6753 * tree-dfa.c (dump_variable): Guard against NULL annotations.
6755 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
6757 PR tree-optimize/23817
6758 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6760 2005-09-13 Alan Modra <amodra@bigpond.net.au>
6763 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6764 word before changing the stack pointer. Use gen_frame_mem for MEMs.
6765 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6766 (restore_stack_nonlocal): Likewise.
6767 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6769 2005-09-12 Ian Lance Taylor <ian@airs.com>
6772 * c.opt (ffriend-injection): New C++ option.
6773 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6774 (C++ Dialect Options): Document -ffriend-injection.
6776 2005-09-12 Josh Conner <jconner@apple.com>
6779 * ipa-reference.c (static_execute): Don't mark variables in
6780 named sections TREE_READONLY.
6782 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6784 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6787 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6789 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6790 V_MUST_DEF instead of just the first_use_p.
6791 Don't mark the virtual variables for renaming on the statement which
6793 (pass_dse): Remove TODO_update_ssa.
6795 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
6798 * stor-layout.c (compute_record_mode): For records with a single
6799 field, actually check the field's mode size against the type size.
6801 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6802 registers for TARGET_SHMEDIA.
6803 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6804 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
6805 of GENERAL_REGS and FP_REGS.
6807 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
6809 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6811 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6813 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6814 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6815 are omitted. Exclude stack_tie insn too.
6817 2005-09-11 David Edelsohn <edelsohn@gnu.org>
6819 PR rtl-optimization/23098
6820 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6822 * config/rs6000/rs6000.md (movdf splitter): Use
6823 const_double_operand predicate for TARGET_POWERPC64.
6824 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6825 SYMBOL_REF method to ABI_V4.
6827 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6828 replace_equiv_address.
6829 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6830 rs6000_sr_alias_set and MEM_NOTRAP.
6831 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6833 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
6835 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6836 handle CALL_EXPR again.
6838 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
6840 * arm/predicates.md (alignable_memory_operand): Delete.
6842 2005-09-10 Richard Henderson <rth@redhat.com>
6845 * dbxout.c (dbxout_expand_expr): New.
6846 (dbxout_symbol): Use it.
6848 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
6850 * arm.c (arm_gen_rotated_half_load): Delete.
6851 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6852 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6853 (thumb_set_return_address): Likewise.
6854 (thumb_load_double_from_address): Use adjust_address.
6855 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6856 (extendhsisi2_mem, movhi_bytes): Use change_address.
6857 (movhi): Use widen_memory_access.
6858 (reload_out_df): Use replace_equiv_address.
6859 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6861 2005-09-09 Richard Henderson <rth@redhat.com>
6864 * dbxout.c: Include expr.h.
6865 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6866 (dbxout_symbol): Handle DECL_VALUE_EXPR.
6867 * Makefile.in (dbxout.o): Add EXPR_H.
6869 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
6871 PR tree-optimization/23509
6872 * tree-cfg.c (replace_uses_by): Use replace_exp.
6873 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6874 pointers have name_mem_tag or type_mem_tag set.
6876 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6878 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6879 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6880 of wrongly accessing operands.
6882 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6884 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6885 * tree-chrec.c: Include tree-scalar-evolution.h.
6886 (chrec_convert): Instantiate the base and step before calling
6887 scev_probably_wraps_p that would fail on parametric evolutions.
6888 Collect all the fails into a single section failed_to_convert,
6889 print a diagnostic, and return chrec_dont_know instead of calling
6891 * tree-scalar-evolution.c (loop_closed_phi_def): New.
6892 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6894 (scev_const_prop): Don't replace the definition of a loop closed ssa
6895 phi node by itself, or by another loop closed ssa phi node.
6896 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6897 that base and step are defined.
6899 2005-09-09 Richard Guenther <rguenther@suse.de>
6902 * fold-const.c (fold_ternary): Check truth_value_p before
6903 calling invert_truthvalue.
6905 2005-09-09 Nick Clifton <nickc@redhat.com>
6907 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6908 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6909 dimension of these arrays.
6910 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6912 * longlong.h: Only provide a prototype for the __clz_tab[] array
6913 if this header has not been included from libgcc2.h.
6914 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6916 Provide prototypes for exported functions.
6917 Use the __clz_tab[] and __popcount_tab[] arrays provided by
6920 2005-09-08 Josh Conner <jconner@apple.com>
6924 * expr.c (expand_expr_addr_expr_1): Don't invoke
6925 expand_simple_binop for EXPAND_INITIALIZER.
6927 2005-09-08 Richard Henderson <rth@redhat.com>
6930 * toplev.c (wrapup_global_declaration_1): Split out ...
6931 (wrapup_global_declaration_2): ... from ...
6932 (wrapup_global_declarations): ... here. Return bool.
6933 (check_global_declaration_1): Split out ...
6934 (check_global_declarations): from here.
6935 (emit_debug_global_declarations): New.
6936 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6937 check_global_declaration_1, emit_debug_global_declarations): Declare.
6938 * c-decl.c (c_write_global_declarations_1): Don't create a vector
6939 of decls. Call wrapup_global_declaration_1,
6940 wrapup_global_declaration_2, check_global_declaration_1 directly.
6941 (c_write_global_declarations_2): New.
6943 (c_write_global_declarations): Call c_write_global_declarations_2.
6944 * langhooks.c (write_global_declarations): Call
6945 emit_debug_global_declarations.
6947 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6948 remove decls that have DECL_RTL_SET_P.
6949 * passes.c (rest_of_decl_compilation): Invoke
6950 cgraph_varpool_finalize_decl for all but functions.
6952 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
6954 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6955 the result of a conversion if the new min and max cannot be compared.
6957 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
6959 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6960 (override_options): Setting s390_sr_alias_set removed.
6961 (save_fpr, save_gprs): Set alias set to vararg or frame.
6962 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6963 s390_sr_alias_set with get_frame_alias_set ().
6964 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6965 get_varargs_alias_set ().
6967 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6971 * c-parser.c (c_parser_objc_method_definition): If the next
6972 token is not "{", error out and don't start the function.
6974 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6976 * tree-vrp.c (extract_range_from_expr): Move the check for non
6977 nullness after the check for gimple invariant.
6979 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6981 * tree.c (host_integerp, tree_low_cst): Correct function comment.
6983 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6986 * config/m32r.md (movmemsi_internal): Canonicalize order of
6987 operands in PLUS component of template.
6989 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
6991 * reload1.c (fixup_eh_region_note): Remove assertion.
6992 (fixup_abnormal_edges): Reverted removal of call to
6993 find_many_sub_basic_blocks made on 2005-08-31.
6995 2005-09-07 Richard Henderson <rth@redhat.com>
6997 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6998 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6999 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
7000 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
7001 rearrange for better packing.
7002 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
7003 (lookup_cfa_1): Remove inline marker.
7004 (cfa_equal_p): Split out of ...
7005 (def_cfa_1): ... here. Use INVALID_REGNUM.
7006 (build_cfa_loc): Handle !cfa->indirect.
7007 (frame_pointer_cfa_offset): New.
7008 (dbx_reg_number): Assert register elimination performed; do
7009 leaf register remapping.
7010 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
7011 (eliminate_reg_to_offset): New.
7012 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
7013 for verifiably local stack frame addresses; re-base to CFA.
7014 (mem_loc_descriptor): Remove can_use_fbreg argument.
7015 (concat_loc_descriptor, loc_descriptor): Likewise.
7016 (containing_function_has_frame_base): Remove.
7017 (rtl_for_decl_location): Don't do register elimination or
7018 leaf register remapping here.
7019 (secname_for_decl): Split out from ..
7020 (add_location_or_const_value_attribute): ... here.
7021 (convert_cfa_to_loc_list): New.
7022 (compute_frame_pointer_to_cfa_displacement): New.
7023 (gen_subprogram_die): Use them.
7024 * tree.h (frame_base_decl): Remove.
7025 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
7026 (prologue_stack_adjust): Remove.
7027 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
7028 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
7029 (set_frame_base_location): Remove.
7030 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
7031 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
7032 (vt_add_function_parameters): Don't eliminate_regs.
7033 (vt_initialize): Don't create frame_base_decl.
7035 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7037 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
7038 version of GNU binutils for 4.x and later.
7040 2005-09-06 Mark Mitchell <mark@codesourcery.com>
7042 * ggc-page.c (ggc_push_context): Remove.
7043 (ggc_pop_context): Likewise.
7044 * ggc.h (ggc_push_context): Remove.
7045 (ggc_pop_context): Likewise.
7047 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
7050 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
7051 returning from an interrupt handler.
7053 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
7056 * config/arc/arc.c (output_shift): Add check for loop count when
7059 2005-09-06 Steven Bosscher <stevenb@suse.de>
7061 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
7063 (abs_replacement): Likewise.
7064 (pass_phiopt): Remove TODO_update_ssa.
7066 2005-09-06 Jakub Jelinek <jakub@redhat.com>
7069 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
7070 if "return with no value, in function returning non-void" warning
7072 * tree-cfg.c (execute_warn_function_return): Don't look at
7073 RETURN_EXPRs with TREE_NO_WARNING set.
7076 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
7077 for internal functions doesn't use registers used by global registers
7078 variables. Use fewer register parameters if there are global register
7081 2005-09-06 Olivier Hainque <hainque@adacore.com>
7082 Eric Botcazou <ebotcazou@adacore.com>
7085 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
7086 when we would be extracting outside its bit span (bitpos+bitsize
7087 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
7088 Ada unchecked conversions.
7090 2005-09-06 Steven Bosscher <stevenb@suse.de>
7092 * tree-ssa-pre.c (try_look_through_load): New function.
7093 (compute_avail): Use it to try to look through loads for some
7094 more useful expressions.
7096 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
7098 * simplify-rtx.c (simplify_binary_operation_1): Correct the
7099 condition for detecting cases like (a&a) and (a^a).
7101 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
7103 * common.opt: Add option ftree-vect-loop-version.
7104 * params.def: Add --param vect-max-version-checks.
7105 * doc/invoke.texi: Document ftree-vect-loop-version and
7106 --param vect-max-version-checks.
7107 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
7108 may_misalign_stmts and defines for accessors.
7109 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
7110 LOOP_VINFO_MAY_MISALIGN_STMTS.
7111 (destroy_loop_vec_info): VEC_free for
7112 LOOP_VINFO_MAY_MISALIGN_STMTS.
7113 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7114 Update documentation.
7115 (vect_update_misalignment_for_peel): New.
7116 (vect_enhance_data_refs_alignment): Update to choose loop
7117 peeling or loop versioning if appropriate for the (potentially)
7118 unaligned data references in the loop.
7119 (vect_analyze_data_refs_alignment): Remove call to
7120 vect_enhance_data_refs_alignment so the checks can be done
7122 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
7123 and move up call to vect_analyze_data_refs_alignment.
7124 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
7125 (vect_transform_loop): Add call to loop_version.
7127 2005-09-06 Jakub Jelinek <jakub@redhat.com>
7129 PR rtl-optimization/23098
7130 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
7131 * simplify-rtx.c (constant_pool_reference_p): New function.
7132 * rtl.h (constant_pool_reference_p): New prototype.
7133 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
7134 constant_pool_reference_p in condition and
7135 avoid_constant_pool_reference in preparation statements.
7137 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
7139 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
7140 STRICT_LOW_PART SETs.
7142 2005-09-06 Alan Modra <amodra@bigpond.net.au>
7145 * except.c (sjlj_emit_function_enter): Find the function begin
7146 note even when it's not in first basic block.
7148 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
7150 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
7151 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
7152 * aclocal.m4: Regenerate.
7154 2005-09-05 DJ Delorie <dj@redhat.com>
7156 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
7159 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
7161 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
7162 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
7163 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
7164 Follow spelling conventions.
7165 * doc/invoke.texi: Follow spelling conventions.
7167 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
7169 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
7170 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
7171 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
7173 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
7176 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
7177 (output_stack_adjust): Use gen_tmp_stack_mem.
7178 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
7179 (sh_set_return_address, sh_allocate_initial_value): Likewise.
7180 (sh_get_pr_initial_val): Likewise.
7181 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
7182 (sh_initialize_trampoline): Likewise. Also use adjust_address.
7183 * sh.md (divsi_inv_m0): Use gen_const_mem.
7184 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
7185 (movdf_i4+1): Use gen_tmp_stack_mem.
7186 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
7187 (fpu_switch+2): Likewise.
7188 (movv4sf_i, movv16sf_i): Use adjust_address.
7189 (symGOT_load): Set MEM_NOTRAP_P bit.
7191 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7194 * pa.c (emit_move_sequence): Fix typo in last change.
7196 2005-09-03 Jakub Jelinek <jakub@redhat.com>
7198 PR rtl-optimization/23454
7199 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
7202 2005-09-03 Richard Henderson <rth@redhat.com>
7203 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7206 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
7209 2005-09-02 Nicolas Pitre <nico@cam.org>
7211 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
7212 to bit_count to 32 bits.
7214 2005-08-31 Mark Mitchell <mark@codesourcery.com>
7217 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
7218 generating synthetic loads from volatile lvalues.
7220 005-09-02 Nick Clifton <nickc@redhat.com>
7222 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
7223 __ctzhi2, __clzhi2): New functions.
7225 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
7228 * tree-nested.c (struct var_map_elt): Mark with GTY.
7229 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
7231 (lookup_field_for_decl): Allocate new element in GC memory.
7232 (lookup_tramp_for_decl): Likewise.
7233 (convert_nl_goto_reference): Likewise
7234 (create_nesting_tree): Allocate info in GC memory. Likewise for
7236 (free_nesting_tree): Free with ggc_free instead of free.
7237 (root): New static variable.
7238 (lower_nested_functions): Remove root as local variable. And zero out
7239 root at the end of the function.
7241 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
7243 PR rtl-optimization/20365
7244 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
7245 to short. New member ix.
7246 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
7247 (simplify_plus_minus): Initialize ix members before calling qsort.
7249 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
7251 PR tree-optimization/23626
7252 * tree-cfg.c (replace_uses_by): Clean up eh info.
7254 2005-09-01 DJ Delorie <dj@redhat.com>
7256 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
7259 2005-09-01 David Edelsohn <edelsohn@gnu.org>
7261 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
7262 (rs6000_split_multireg_move): Use replace_equiv_address instead of
7265 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
7267 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
7268 do not issue warning for a variable definition following
7271 2005-09-01 Richard Henderson <rth@redhat.com>
7274 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
7275 conversion to CONST_VECTOR.
7277 2005-09-01 Richard Henderson <rth@redhat.com>
7280 * reload1.c (reload_as_needed): Check !CALL_P before calling
7281 fixup_eh_region_note.
7282 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
7284 2005-09-01 DJ Delorie <dj@redhat.com>
7286 * varasm.c (output_constant): Let the target resolve
7287 conversions of addresses to non-default pointer sizes.
7289 2005-09-01 Nicolas Pitre <nico@cam.org>
7291 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
7292 to alow matching ARM pre-indexed addressing mode.
7293 (arm_override_options): Remove now irrelevant comment.
7295 2005-09-01 Phil Edwards <phil@codesourcery.com>
7297 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
7298 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
7299 * config/i386/vxworks.h: Likewise.
7300 * config/i386/t-vxworksae: New file, for VxWorks AE.
7301 * config/i386/vxworksae.h: Likewise.
7303 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
7305 PR tree-optimization/23410
7306 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
7307 sequence is not wrapping during the first step.
7309 2005-09-01 Jakub Jelinek <jakub@redhat.com>
7312 * dwarf2out.c (base_type_die): Compare char_type_node with
7313 TYPE_MAIN_VARIANT (type), not type.
7315 2005-09-01 Richard Guenther <rguenther@suse.de>
7317 PR tree-optimization/15366
7318 * common.opt: Add -finline-functions-called-once.
7319 Put -fearly-inlining in alphabetically ordered place.
7320 * doc/invoke.texi: Document new option.
7321 * ipa-inline.c (cgraph_decide_inlining): Honour
7322 flag_inline_functions_called_once.
7324 2005-09-01 Jakub Jelinek <jakub@redhat.com>
7326 PR rtl-optimization/23478
7327 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
7328 (alloc_qty): Initialize it.
7329 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
7330 (combine_regs): Combine also n_throwing_calls_crossed fields.
7331 (find_free_reg): Don't attempt to caller-save pseudos crossing
7332 calls that might throw.
7333 * global.c (struct allocno): Add throwing_calls_crossed field.
7334 (global_alloc): Revert 2005-08-22 change. Initialize
7335 throwing_calls_crossed.
7336 (find_reg): Don't attempt to caller-save pseudos crossing calls that
7339 2005-09-01 Alan Modra <amodra@bigpond.net.au>
7342 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
7343 (mask64_operand): Reinstate code prior to 2005-06-11 change.
7344 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
7345 (and64_2_operand): Tweak to use predicate.
7346 (and_operand): Adjust for mask_operand changes.
7347 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
7348 (print_operand): Likewise.
7349 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
7350 (mask64_1or2_operand): Delete.
7351 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
7352 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
7353 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
7354 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
7355 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
7356 (rotldi3_internal4): Likewise.
7357 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
7358 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
7359 (ashldi3_internal7): Likewise.
7360 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
7361 (ashldi3_internal, ashldi3_internal9 split): Likewise.
7362 (anddi3 split): Don't match mask64_operand.
7363 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
7364 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
7365 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
7366 't' splitter predicate.
7367 (movdi_internal64 + 2): Revert 2005-06-11 change.
7369 2005-08-31 DJ Delorie <dj@redhat.com>
7371 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
7372 (m32c_asm_integer): Add support for 32 bit pointers.
7374 2005-08-31 Richard Henderson <rth@redhat.com>
7376 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
7377 component-like references for setting MEM_NOTRAP_P.
7379 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
7380 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
7382 2005-08-31 Richard Henderson <rth@redhat.com>
7384 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
7385 into a pseudo before applying gen_lowpart.
7387 2005-08-31 Geoffrey Keating <geoffk@apple.com>
7389 * doc/install.texi (Specific): Update cctools version required
7390 for full functionality.
7391 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
7392 linkers as -macosx_version_min.
7394 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
7397 * sh.c (print_operand, %R and %S): Add handling of floating point
7398 registers, memory, constants and invalid operands.
7400 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
7402 * ipa-pure-const.c: Change dump name.
7404 2005-08-31 Uros Bizjak <uros@kss-loka.si>
7407 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
7408 to "reg_or_0_operand".
7409 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
7411 2005-08-31 Dale Johannesen <dalej@apple.com>
7413 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
7414 loops that count down.
7416 2005-08-31 Richard Henderson <rth@redhat.com>
7419 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
7420 (fixup_eh_region_note): New.
7421 (reload_as_needed): Call it.
7422 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
7423 don't call find_many_sub_basic_blocks; call verify_flow_info.
7424 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
7425 (keep_stack_depressed): Likewise.
7426 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
7428 2005-08-31 Richard Henderson <rth@redhat.com>
7430 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
7433 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
7435 * expr.c (expand_expr_real_1): Compare size of address
7436 mode to target's address mode size in deciding expansion of
7437 the constant address.
7439 2005-08-31 Richard Guenther <rguenther@suse.de>
7442 * expr.c (all_zeros_p): New function.
7443 (expand_expr_real_1): Handle the case of an all-zero
7444 non-addressable constructor separately.
7446 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
7448 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
7449 arguments, adjust all callers.
7450 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
7452 2005-08-30 Richard Henderson <rth@redhat.com>
7455 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
7456 whenever the mode sizes match.
7458 2005-08-31 Alan Modra <amodra@bigpond.net.au>
7460 * calls.c (load_register_parameters): Fix comment typo.
7461 * expr.c (emit_push_insn): Comment formatting.
7463 2005-08-30 Ian Lance Taylor <ian@airs.com>
7465 * config/i386/x-cygwin (host-cygwin): Change dependency from
7466 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
7468 2005-08-29 Geoffrey Keating <geoffk@apple.com>
7470 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
7473 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7476 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
7477 call to ggc_collect.
7479 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
7482 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
7483 beginning. Remove $(INCLUDES) from all the rules, if following
7484 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
7486 2005-08-29 Jakub Jelinek <jakub@redhat.com>
7489 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
7490 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
7491 not constant, but maxlen is, don't set len to maxlen, rather
7492 set maxlen to len if len is a constant.
7494 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
7496 PR tree-optimization/23475
7497 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
7500 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
7502 Fix PR middle-end/22455
7504 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
7505 Checksum only the parts of the tree that exist for the tree code.
7507 2005-08-28 Dale Johannesen <dalej@apple.com>
7509 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
7511 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
7513 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
7515 2005-08-28 Richard Henderson <rth@redhat.com>
7517 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
7518 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
7521 2005-08-28 Jakub Jelinek <jakub@redhat.com>
7524 * builtins.c (get_memory_rtx): Don't strip nops
7525 in between COMPONENT_REFs.
7527 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
7530 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
7532 (gimplify_modify_expr): Check for zero sized types and gimplify the
7533 rhs and lhs as statements.
7535 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
7538 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7539 state for return address column of signal frames.
7541 2005-08-27 David Edelsohn <edelsohn@gnu.org>
7544 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7545 bytes >= 2 not bytes == 2.
7546 (expand_block_move): Same.
7548 2005-08-27 Richard Guenther <rguenther@suse.de>
7551 * config/i386/sse.md (sse2_movsd): Add missing closing
7554 2005-08-27 Paul Brook <paul@codesourcery.com>
7556 * genrecog.c (enum decision_type): Add DT_num_insns.
7557 (struct decision_test): Add u.num_insns.
7558 (add_to_sequence): Add DT_num_insns test.
7559 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7560 (write_cond, debug_decision_2): Ditto.
7561 (change_state): Assume peep2_next_insn never fails.
7562 Remove "afterward" argument.
7563 (write afterward, write_tree): Update to match.
7564 * recog.c (peep2_current_count): New variable.
7565 (peep2_next_insn): Check it.
7566 (peephole2_optimize): Set peep2_current_count.
7567 * recog.h (peep2_current_count): Declare.
7569 2005-08-26 Josh Conner <jconner@apple.com>
7572 * ipa-pure-const.c (check_tree): Check for volatile-ness
7573 when considering a dereference.
7575 2005-08-27 Jakub Jelinek <jakub@redhat.com>
7577 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7579 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7581 PR rtl-optimization/23561
7582 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
7583 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7584 at most LEN bytes long memory fits into the field.
7585 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7586 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7587 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7589 2005-08-26 Richard Henderson <rth@redhat.com>
7592 * loop.c (biased_biv_may_wrap_p): New.
7593 (maybe_eliminate_biv_1): Use it to suppress non-equality
7594 comparison transformations. Delete disabled code.
7596 2005-08-26 Ian Lance Taylor <ian@airs.com>
7598 * combine.c (make_extraction): Avoid reference outside object.
7600 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
7602 * stor-layout.c (finalize_type_size): Restore behaviour for
7603 non-aggregate types to the status quo ante of the patch for
7604 pr 23467. Document why it matters.
7606 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7609 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7610 array by one element, initialize the BT_LAST element with NULL.
7612 2005-08-26 David Edelsohn <edelsohn@gnu.org>
7614 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7615 optimizing for size.
7617 (compare_plus_eqsi): Same.
7618 (plus_eqsi_compare): Same.
7619 (neg_eq0<mode>): Same.
7620 (neg_eq<mode>): Same.
7622 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7625 2005-08-26 Nick Clifton <nickc@redhat.com>
7627 * config/v850/v850.c (ep_memory_operand): Return FALSE if
7628 TARGET_EP is not defined.
7629 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7630 TARGET_EP is enabled.
7631 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7632 * config/v850/v850.md (save_all_interrupt): Only use the EP
7633 register if TARGET_EP is defined.
7634 (restore_all_interrupt): Likewise.
7635 * config/v850/lib1funcs.asm: Update functions so that the EP
7636 register is only used if __EP__ is defined.
7638 2005-08-26 David Ung <davidu@mips.com>
7640 * config/mips/mips.c (mips_expand_prologue): Handle case when
7641 generating for MIPS16 and the outgoing argument area is more than
7642 SMALL_OPERAND. Use the frame pointer as temporary to generate the
7645 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
7647 * config/crx/crx.md: Make doloop_end pattern usage controllable
7648 via mloop-nesting=<max-nesting> command line switch. Make sure
7649 the combiner cannot use doloop_end_<mode> in an illegal way.
7650 * config/crx/crx.c: Use regs up to r6 for argument passing.
7651 Refine crx_address_cost (non cst4 displacements are expensive).
7652 * config/crx/crx.opt: Add switch for mloop-nesting=.
7654 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
7656 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7657 (UNSPEC_MVST): New constant.
7659 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
7661 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7662 Reject operands containing eliminable registers.
7663 * testsuite/gcc.dg/20050825-1.c: New testcase.
7665 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7666 Jan Hubicka <jh@suse.cz>
7668 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7670 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7672 PR tree-optimization/23546
7673 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7676 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
7678 * params.def (PARAM_MIN_SPEC_PROB): New.
7679 * sched-rgn.c (MIN_PROBABILITY): Delete.
7680 (compute_trg_info): Convert to PARAM_VALUE.
7681 * doc/invoke.texi (param): Document min-spec-prob.
7683 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
7685 * config/darwin.h: define __PIC__
7686 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7687 TARGET_OS_CPP_BUILTINS macro.
7689 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7691 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7694 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7696 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7698 * cfghooks.c (duplicate_block): Added position where to place
7699 new block as argument.
7700 * cfghooks.h (duplicate_block): Declaration changed.
7701 * cfglayout.c (copy_bbs): Add argument after. Pass it to
7703 * cfglayout.h (copy_bbs): Declaration changed.
7704 * cfgloop.h (loop_version): Declaration changed.
7705 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7706 position to copy_bbs.
7707 (loop_version): Pass position to duplicate_loop_to_header_edge.
7708 Add place_after argument and position new blocks according to
7710 * modulo-sched.c (sms_schedule): Pass place_after argument
7712 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7713 * tree-cfg.c (split_edge_bb_loc): New function.
7714 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7715 to determine position of new blocks.
7716 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7718 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7719 argument to duplicate_block.
7720 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7721 Pass position to copy_bbs.
7723 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7725 * fold-const.c (ptr_difference_const): Use
7726 cst_and_fits_in_hwi instead of host_integerp.
7728 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7730 * config/darwin.c (gen_pic_offset): New.
7731 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
7734 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
7736 PR tree-optimization/23486
7737 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7739 2005-08-23 Phil Edwards <phil@codesourcery.com>
7741 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
7742 remove use_collect2.
7743 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
7745 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
7746 configuration files to override the default value.
7748 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
7749 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7750 * config/vx-common.h: New file, split out from...
7751 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
7752 * config/vxworksae.h: New file, for VxWorks AE.
7753 * config/vxworks.opt: New file.
7754 * config/vxlib.c: Update for VxWorks 6.
7756 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
7757 other MULTILIB_* variables appropriately.
7758 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
7759 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
7760 * config/rs6000/vxworks.h: Update for VxWorks 6.
7761 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
7763 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
7766 * config/darwin.c (machopic_select_section): Remove the hack to
7767 mark "::operator new" and "::operator delete" for coalescing
7768 even though they are not weak.
7770 2005-08-24 Alan Modra <amodra@bigpond.net.au>
7772 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7773 * configure: Regenerate.
7775 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7778 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7780 * convert.c (convert_to_integer, convert_to_vector): Likewise.
7781 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7784 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7786 * config/rs6000/predicates.md (equality_operator): New.
7787 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7788 comparison with a large constant.
7790 2005-08-23 Mark Mitchell <mark@codesourcery.com>
7792 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7794 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
7796 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7797 registers is even, and we have a hardware double precision fp,
7799 (sh_gimplify_va_arg_expr): For floating point arguments, consider
7800 size of current argument when checking if argument was passed in
7803 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7806 * stor-layout.c (finalize_type_size): Dont override
7807 existing alignment with a smaller alignment from the mode.
7809 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7811 * lambda-code.c (lambda_vector_lexico_pos): Moved...
7812 * lambda.h (lambda_vector_lexico_pos): ... here.
7813 * tree-data-ref.c (build_classic_dist_vector): Return false when
7814 the distance vector is lexicographically negative.
7816 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7818 PR tree-optimization/23511
7819 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7820 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7822 2005-08-23 Jakub Jelinek <jakub@redhat.com>
7824 PR tree-optimization/22043
7825 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7826 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7827 If ALLOW_FLEXARR, handle types ending with flexible array member.
7828 Pass false as second argument to recursive count_type_elements calls.
7829 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7830 argument to count_type_elements call.
7831 * tree-sra.c (decide_block_copy): Likewise.
7832 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7833 for a constant-sized object, set cleared as well. Pass true as
7834 second argument to count_type_elements call.
7836 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7839 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7840 from legitimate_small_data_p, and make global. Update use.
7841 Remove forward declaration.
7842 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7844 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7846 2005-08-23 David Edelsohn <edelsohn@gnu.org>
7848 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7849 of scratch intermediates.
7850 (eq<mode>_compare): Same.
7851 (neg_eq0<mode>): New.
7852 (neg_eq<mode>): Convert to define_insn_and_split.
7854 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7857 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7858 stdarg functions, set/clear the fp marker even when no variable
7860 * config/rs6000/sysv4.opt (mprototype): Describe.
7862 2005-08-22 Jakub Jelinek <jakub@redhat.com>
7864 PR rtl-optimization/23478
7865 * regs.h (reg_info): Add throw_calls_crossed.
7866 (REG_N_THROWING_CALLS_CROSSED): Define.
7867 * flow.c (allocate_reg_life_data): Initialize
7868 REG_N_THROWING_CALLS_CROSSED.
7869 (propagate_one_insn, attempt_auto_inc): Update
7870 REG_N_THROWING_CALLS_CROSSED.
7871 * global.c (global_alloc): Don't allocate pseudos across
7872 calls that may throw.
7874 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
7877 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7878 value is inbetween the range if we did not find an exact match.
7880 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
7882 * doc/invoke.texi (Option Summary): Add ms1 options.
7883 * doc/extend.texi: Document interrupt handler attribute for ms1.
7884 * doc/md.texi: Document ms1 constraints.
7885 * config.gcc: Add ms1-*-elf.
7886 * config/ms1/ms1.h: New.
7887 * config/ms1/ms1.c: New.
7888 * config/ms1/ms1.md: New.
7889 * config/ms1/ms1-protos.h: New.
7890 * config/ms1/ABI.txt: New.
7891 * config/ms1/crti.asm: New.
7892 * config/ms1/crtn.asm: New.
7893 * config/ms1/lib2extra-funcs.c: New.
7894 * config/ms1/t-ms1: New.
7895 * config/ms1/ms1.opt: New.
7897 2005-08-22 Ira Rosen <irar@il.ibm.com>
7899 * config/rs6000/altivec.md (xorv4sf3): New.
7900 (negv4sf2, neg<mode>2): Likewise.
7902 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
7905 * config/ia64/ia64.md (divsi3): Check divide by zero.
7906 (udivsi3): Likewise.
7908 (udivdi3): Likewise.
7910 2005-08-21 Jakub Jelinek <jakub@redhat.com>
7912 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7913 up to elem_bitsize bits, not max_bitsize.
7915 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7917 PR tree-optimization/23433
7918 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7919 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7921 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7923 PR tree-optimization/23434
7924 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7925 the iteration bound is not an INTEGER_CST.
7927 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
7929 * tree-vect-transform.c (get_initial_def_for_reduction): Set
7930 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7931 NULL if need_epilog_adjust is false.
7932 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7933 Case 3 always peels first itration, not just for PLUS case, and no need
7934 to use scalar_initial_def here. Create an epilog adjustment only if
7935 scalar_initial_def is not NULL.
7937 (vectorizable_reduction): Remove assert.
7939 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
7942 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7943 (__moddi3): Likewise.
7944 (__udivdi3): Likewise.
7945 (__umoddi3): Likewise.
7946 (__divsi3): Likewise.
7947 (__modsi3): Likewise.
7948 (__udivsi3): Likewise.
7949 (__umodsi3): Likewise.
7951 2005-08-20 Jakub Jelinek <jakub@redhat.com>
7953 * tree-pass.h (TDF_GRAPH): Define.
7954 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7955 * passes.c (finish_optimization_passes): Only call
7956 finish_graph_dump_file if TDF_GRAPH is set.
7957 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7958 NULL. Set TDF_GRAPH bit.
7959 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7961 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
7963 * arm.h (arm_stack_offsets): Add locals_base field.
7964 * arm.c (arm_get_frame_offsets): Compute it.
7965 (thumb_compute_initial_elimination offset): Make the Thumb frame
7966 pointer point to the base of the local variables.
7967 (thumb_expand_prologue): Update accordingly.
7968 (thumb_expand_epilogue): Likewise.
7970 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
7971 mode of clobbered scratch to DImode. Handle a case that's known to
7974 2005-08-19 David Edelsohn <edelsohn@gnu.org>
7976 * config/rs6000/rs6000.md (gt0<mode>): Delete.
7977 (gt0<mode>_compare): Delete.
7978 (neg_gt0<mode>): Delete.
7980 2005-08-19 Eric Christopher <echristo@apple.com>
7982 * optabs.h: Change CTI_ to COI_.
7985 2005-08-19 James E Wilson <wilson@specifix.com>
7987 * builtins.c (expand_builtin_return_addr): Set
7988 current_function_accesses_prior_frames when count != 0. Use
7989 frame_pointer_rtx when count == 0.
7990 * function.h (struct function): Add accesses_prior_frames field.
7991 (current_function_accesses_prior_frames): Define.
7992 * reload1.c (init_elim_table): Check
7993 current_function_accesses_prior_frames.
7994 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7996 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7998 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7999 indicator. Return true if the flowgraph changed during
8002 2005-08-19 Diego Novillo <dnovillo@redhat.com>
8005 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
8006 conditional expression before testing its value.
8008 2005-08-19 Diego Novillo <dnovillo@redhat.com>
8010 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
8012 2005-08-19 Devang Patel <dpatel@apple.com>
8014 PR tree-optimization/23048
8015 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
8016 third parameter. Check whether latch is dominated by exit
8018 (if_convertible_loop_p): Supply exit block itself to
8019 if_convertible_bb_p.
8021 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
8024 * arm.md (arm_load_pic_register): Change argument to the mask of
8025 saved registers. Call thumb_find_work_register if we need a
8026 scratch register on Thumb.
8027 (arm_expand_prologue): Pass empty register set to
8028 arm_load_pic_register.
8029 (thumb_expand_prologue): Pass live_regs_mask directly to
8030 arm_load_pic_register.
8031 * arm-protos.h (arm_load_pic_register): Update prototype.
8033 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
8035 * sh.c (find_sole_member): New function.
8036 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
8037 if the record's alignment is larger than the size of its only member.
8039 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
8042 * arm.c (thumb_legitimize_reload_address): New function.
8043 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
8044 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
8046 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
8048 * config/crx/crx.c: Implement crx_decompose_address. Reject
8049 symbolic displacements since CRX register relative adressing
8050 mode can't handle unsigned 32-bit values as displacements.
8051 * config/crx/crx.h: Simplify definitions, remove redundant
8052 parenthesis and obsolete macros.
8053 * config/crx/crx.opt: Add new switch for debugging addresses.
8054 * config/crx/crx-protos.h: Add new declarations for above.
8056 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
8059 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
8062 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8064 * collect2.c (dup2): Delete.
8065 * configure.ac: Don't check for dup2.
8067 * config.in, configure: Regenerate.
8069 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
8071 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
8072 record with the type of its only member.
8074 2005-08-18 David Edelsohn <edelsohn@gnu.org>
8076 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
8077 define_insn_and_split.
8078 (plus_ltu<mode>_compare): Same.
8079 (gtu<mode>_compare): Same.
8080 (plus_gtu<mode>_compare): Same.
8082 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
8084 PR tree-optimization/22228
8085 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
8087 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
8088 are recorded in vect_vnames_to_rename for renaming.
8089 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
8090 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
8091 in vect_vnames_to_rename.
8092 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
8093 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
8095 2005-08-18 Jan Hubicka <jh@suse.cz>
8098 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
8099 info only for local statics, not for member variables.
8101 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8103 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
8105 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8107 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
8109 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
8112 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
8114 2005-08-17 James E Wilson <wilson@specifix.com>
8116 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8119 2005-08-17 David Edelsohn <edelsohn@gnu.org>
8121 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
8122 (leu<mode>_compare): Same.
8123 (plus_leu<mode>): Same.
8124 (neg_leu<mode>): Same.
8125 (and_neg_leu<mode): Same.
8126 (ltu<mode>_compare): Same.
8127 (plus_ltu<mode>): Same.
8129 (geu<mode>_compare): Same.
8130 (plus_geu<mode>): Same.
8131 (neg_geu<mode>): Same.
8132 (and_neg_geu<mode>): Same.
8133 (plus_gt<mode>): Same.
8134 (gtu<mode>_compare): Same.
8135 (plus_gtu<mode>): Same.
8137 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
8139 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
8140 Move call_table_data to end. Delete spurious .text.
8141 (callt_save_all_interrupt): Fix comment typo.
8143 2005-08-17 James E Wilson <wilson@specifix.com>
8144 Kevin Winchester <winchester@amirix.com>
8147 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
8149 2005-08-17 Uros Bizjak <uros@kss-loka.si>
8152 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
8153 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
8155 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
8157 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
8158 record with the type of its only member if the modes don't match.
8160 * varasm.c (decode_reg_name): Skip empty additional register names.
8162 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8164 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
8165 lsm_tmp_name_length): New.
8166 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
8167 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
8169 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
8170 Andreas Krebbel <krebbel1@de.ibm.com>
8172 * config.gcc: Added z9-109 switch.
8173 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
8174 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
8175 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
8176 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
8177 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
8178 for "z9_109" cpu attribute.
8179 * config/s390/s390.c (z9_109_cost): New processor cost structure.
8180 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
8181 (s390_handle_arch_option): Added z9-109 switch.
8182 (override_options): Set respective cost function for z9-109.
8183 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
8184 (legitimate_reload_constant_p): Accept extended immediates.
8185 (print_operand): Three new output modifiers added: k, m and o.
8186 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
8187 (s390_output_mi_thunk): Use extended immediate when possible.
8188 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
8189 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
8190 (CONSTRAINT_LEN): Added length of O constraint.
8191 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
8192 * config/s390/s390.md ("cpu"): New value z9_109 added.
8193 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
8194 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
8195 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
8196 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
8197 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
8198 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
8199 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
8200 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
8201 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
8202 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8203 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
8204 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
8205 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
8206 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
8207 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
8209 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
8210 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
8211 insns for TARGET_EXTIMM.
8213 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
8215 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
8217 2005-08-17 Nick Clifton <nickc@redhat.com>
8219 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
8220 Call default_encode_section_info.
8222 2005-08-17 Steven Bosscher <stevenb@suse.de>
8224 PR tree-optimization/21574
8225 * tree-ssa-ccp.c (likely_value): If the right hand side is a
8226 constant, return CONSTANT.
8227 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
8228 (ccp_fold, visit_assignment): Likewise.
8229 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
8231 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
8233 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
8234 fold_buildN instead of buildN then fold_initializer or fold.
8235 (build_unary_op): Likewise.
8236 (build_binary_op): Likewise.
8237 * fold-const.c (fold_initializer): Remove.
8238 (fold_build1_initializer): New function.
8239 (fold_build2_initializer): New function.
8240 (fold_build3_initializer): New function.
8241 * tree.h (fold_initializer): Remove.
8242 (fold_build1_initializer): New function.
8243 (fold_build2_initializer): New function.
8244 (fold_build3_initializer): New function.
8246 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
8248 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
8249 (try_move_mult_to_index): Call fold_build2 instead of build2.
8250 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
8251 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
8252 fold_binary_to_constant.
8253 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
8255 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
8256 check if A == gcd (A, B). Remove TYPE argument.
8257 (analyze_offset) Use fold_build2 instead of fold (build.
8258 (create_data_ref): Likewise.
8259 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
8260 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
8263 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
8265 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
8266 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
8268 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
8271 * gimplify.c (zero_sized_type): New function.
8272 (gimplify_modify_expr_rhs): If we have a zero sized type,
8273 replace the statement with an empty statement.
8275 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
8277 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
8280 2005-08-16 Ian Lance Taylor <ian@airs.com>
8282 * doc/tm.texi (Label Output): Correct typo.
8284 2005-08-16 Steven Bosscher <stevenb@suse.de>
8287 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
8288 force_operand will work later on using have_insn_for.
8290 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8292 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
8294 2005-08-16 Ian Lance Taylor <ian@airs.com>
8297 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
8298 vector type, don't try to construct it element by element. Add an
8299 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
8301 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8303 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
8305 2005-08-16 Geoffrey Keating <geoffk@apple.com>
8307 * doc/invoke.texi (Precompiled Headers): Document some more options
8308 which are known to be safe.
8310 2005-08-16 James E Wilson <wilson@specifix.com>
8312 PR tree-optimization/21105
8313 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8314 TREE_OVERFLOW check.
8316 2005-08-16 David Edelsohn <edelsohn@gnu.org>
8318 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
8319 (neg_ltu<mode>): Same.
8321 (neg_gtu<mode>): Same.
8323 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8325 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
8326 (fold_builtin_isdigit): Use fold_buildN.
8327 (build_function_call_expr): Likewise.
8328 * c-typeck.c (c_finish_loop): Likewise.
8330 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
8331 Richard Shann <rshann@superh.com>
8333 PR middle-end/20396:
8334 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
8336 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
8338 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
8340 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
8343 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
8344 arm_compure_save_reg0_reg12_mask to determine when the PIC register
8347 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8350 * fold-const.c (build_range_check): Disable optimization for function
8351 pointer expressions on targets that require function pointer
8354 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
8356 * simplify-rtx.c (simplify_const_relational_operation): When
8357 extracting arguments of a COMPARE, recompute the mode as well.
8359 2005-08-15 Ian Lance Taylor <ian@airs.com>
8361 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
8363 2005-08-15 DJ Delorie <dj@redhat.com>
8365 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
8367 (movsi_splittable): Allow, but split, moves to the stack.
8368 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
8371 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8373 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
8374 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
8375 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
8377 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
8378 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
8379 Delete HOST_PTR_PRINTF.
8381 * configure, config.in: Regenerate.
8383 2005-08-15 David Edelsohn <edelsohn@gnu.org>
8385 * config/rs6000/rs6000.md (QHSI): New mode macro.
8386 (wd): Extend mode attr for QImode and HImode
8387 (dbits): New mode attr.
8388 (zero_extend<mode>di2): Convert to mode macro.
8390 2005-08-15 Steve Ellcey <sje@cup.hp.com>
8393 * doc/invoke.texi (-mgnu-ld): Update description.
8396 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
8399 * Makefile.in (tree-chrec.o): Depends on real.h.
8400 * tree-chrec.c: Include real.h.
8401 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
8402 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
8403 * tree-scalar-evolution.c (add_to_evolution_1,
8404 interpret_rhs_modify_expr): Ditto.
8406 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
8409 * tree-data-ref.c (estimate_niter_from_size_of_data): When
8410 step is negative compute the estimation from init downwards to zero.
8412 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
8414 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
8416 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
8418 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
8420 (legitimate_reload_constant_p): Fix handling of lliXX operands.
8421 Accept double-word constants that can be split.
8422 * config/s390/s390.md ("movti"): Use 'P' constraint.
8423 ("*movdi_31", "*movdf_31"): Likewise.
8425 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
8427 Fix PR tree-optimization/22615
8429 * tree-ssa-structalias.c (solution_set_add): Handle
8430 first_vi_for_offset returning NULL.
8431 (do_da_constraint): Ditto.
8432 (do_sd_constraint): Ditto.
8433 (do_ds_constraint): Ditto
8434 (find_func_aliases): Ditto.
8435 (build_constraint_graph): RHS is allowed be ANYTHING.
8436 (first_vi_for_offset): Return NULL if we couldn't find anything at
8439 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
8441 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
8442 over memory as first operand.
8444 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
8447 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
8448 available for setting it.
8450 2005-08-14 Ira Rosen <irar@il.ibm.com>
8452 PR tree-optimization/23320
8453 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
8454 data-refs' types instead of base object nullness. Add check for
8455 pointer type data-refs before first location comparison. Remove
8458 2005-08-14 Andreas Schwab <schwab@suse.de>
8460 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
8462 2005-08-13 James E Wilson <wilson@specifix.com>
8464 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
8465 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
8466 -fstack-protector-all, --param ssp-buffer-size): Document.
8467 (-Wvariadic-macros): Alphabetize.
8468 (-fsched-stalled-insns-dep): Add missing 'f'.
8470 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
8473 2005-08-13 David Edelsohn <edelsohn@gnu.org>
8475 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
8476 or indirect address operand.
8477 (EXTRA_ADDRESS_CONSTRAINT): New.
8478 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
8480 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
8482 PR tree-optimization/22236
8483 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
8484 successors and predecessors.
8485 * tree-chrec.c (chrec_convert): Before converting, check that
8486 sequences don't wrap.
8487 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
8488 (analyze_array): Extern.
8489 (find_data_references_in_loop): Remove call to
8490 compute_estimated_nb_iterations.
8491 * tree-data-ref.h (analyze_array): Declared.
8492 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
8493 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
8494 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
8495 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
8497 * tree-ssa-loop-ivcanon.c: Fix documentation.
8498 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
8499 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
8500 (infer_loop_bounds_from_undefined): New.
8501 (estimate_numbers_of_iterations_loop): Use
8502 infer_loop_bounds_from_undefined.
8503 (used_in_pointer_arithmetic_p): New.
8504 (scev_probably_wraps_p): Pass an extra parameter. Call
8505 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
8506 (convert_step): Fix documentation.
8507 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
8508 Use initial_condition_in_loop_num and evolution_part_in_loop_num
8509 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
8510 scev_probably_wraps_p.
8512 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
8514 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
8515 (s390_register_info): Ignore clobbered_regs information for fixed
8516 registers, and only fixed registers.
8517 (s390_init_frame_layout): Remove redundant call.
8519 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
8521 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
8522 description of -Wold-style-casts.
8524 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8525 Jakub Jelinek <jakub@redhat.com>
8527 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8528 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
8529 * config/s390/s390.c (print_operand): New output modifier 'G' added.
8530 (get_thread_pointer): Renamed to s390_get_thread_pointer.
8531 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
8532 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
8533 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8534 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8535 ("stack_protect_set", "stack_protect_test"): New expanders.
8536 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8537 "stack_protect_testdi"): New insn definitions.
8539 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8541 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8543 2005-08-12 Paul Brook <paul@codesourcery.com>
8545 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8547 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8549 * config/s390/predicates.md (setmem_operand): New predicate.
8550 (shift_count_operand): Accept ANDs with special constants as
8552 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8553 with special constants.
8554 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8555 shift_count_operand with setmem_operand.
8557 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8559 * config/s390/s390.c (s390_extract_part, s390_single_part):
8561 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8562 (s390_output_mi_thunk): Don't use lg on 31 bit.
8563 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8564 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8566 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8568 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8569 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8570 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8571 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8572 with one of the new macros.
8574 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8576 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8577 Don't set save_return_addr_p.
8578 (s390_register_info): Make clobbered_regs not depending on
8581 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
8583 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8584 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8586 2005-08-11 James E. Wilson <wilson@specifix.com>
8588 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8590 2005-08-11 Jakub Jelinek <jakub@redhat.com>
8592 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8593 locations gathered by var-tracking in single entry loc_list
8594 over loc_descriptor_from_tree.
8596 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8597 pass it down to loc_descriptor.
8598 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8599 (containing_function_has_frame_base): Move earlier in the file.
8600 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8601 instead of always assuming fbreg can't be used.
8603 2005-08-11 David Edelsohn <edelsohn@gnu.org>
8605 * config/rs6000/altivec.md: Change constraint "m" to "Z".
8606 * config/rs6000/predicates.md (indexed_or_indirect_operand):
8607 Accept address wrapped in AND for Altivec.
8608 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8609 Strip AND wrapping offset address for Altivec.
8611 2005-08-11 Richard Henderson <rth@redhat.com>
8614 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8615 before using TYPE_IS_SIZETYPE.
8617 2005-08-11 Richard Henderson <rth@redhat.com>
8620 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8621 insn types not present on ev4.
8622 (alphaev5_insn_pipe): Similarly.
8624 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
8627 * arm.c (arm_override_options): If the user has selected callee-super-
8628 interworking, then enable normal interworking.
8630 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8632 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8635 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
8637 * doc/rtl.texi: Fix two typos.
8639 2005-08-11 Richard Guenther <rguenther@suse.de>
8642 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8643 cases where we call to/from functions returning void.
8645 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
8648 * tree.c (build_pointer_type_for_mode): Robustify.
8650 2005-08-10 James E Wilson <wilson@specifix.com>
8652 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8653 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8655 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8658 2005-08-10 Eric Christopher <echristo@apple.com>
8660 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8661 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8664 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
8667 * config/darwin.c (machopic_indirect_data_reference): Use a new register
8668 for the high part when generating dynamic-no-pic code.
8670 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
8672 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8673 (x86_64-*-linux*): Likewise.
8675 * config/i386/crtfastmath.c: New file.
8676 * config/i386/t-crtfm: Likewise.
8678 * config/i386/linux.h (ENDFILE_SPEC): New.
8679 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8681 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8684 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
8686 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8687 (vec_shl, vec_shr): Document new operations.
8688 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8690 2005-08-10 David Edelsohn <edelsohn@gnu.org>
8692 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8693 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8694 change predicate to indexed_or_indirect_address.
8696 2005-08-10 Richard Sandiford <richard@codesourcery.com>
8698 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8699 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8700 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8701 and __aeabi_uwrite8.
8702 * config/arm/unaligned-funcs.c: New file.
8703 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8705 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
8707 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8709 * cfglayout.c (pass_insn_locators_initialize): Add dump.
8710 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8712 * except.c (pass_convert_to_eh_region_ranges): Add dump.
8713 * final.c (pass_shorten_branches): Add dump.
8714 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8715 (pass_life): Rename dump.
8716 (rest_of_handle_flow2): Remove initial verify_flow_info.
8717 * function.c (pass_instantiate_virtual_regs): Add dump.
8718 * integrate.c (pass_initial_value_sets): Add dump.
8719 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8720 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8721 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8722 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8723 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8724 gate_rtl_unrool_and_peel_loops): New.
8725 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8726 rtl_doloop): Do not look at flags.
8727 * mode-switching.c (pass_mode_switching): Add dump.
8728 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8729 pass_split_before_regstack): Add dump.
8730 * regmove.c (pass_stack_adjustments): Add dump.
8731 * tree-optimize.c (pass_fixup_cfg): Add dump.
8733 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8736 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8737 deciding which instruction sequence to use.
8739 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
8741 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8742 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8744 2005-08-09 Richard Guenther <rguenther@suse.de>
8746 * c-common.c (builtin_function_2): Remove.
8747 (def_builtin_1): New function.
8748 (c_common_nodes_and_builtins): Use def_builtin_1 to
8749 build builtin functions.
8751 2005-08-09 Jie Zhang <jie.zhang@analog.com>
8753 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8754 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8755 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8758 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8760 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8761 fold_binary instead of fold_build2 since we don't care about the
8763 (loop_niter_by_eval): Likewise.
8764 (compare_trees): Likewise.
8765 (proved_non_wrapping_p): Likewise.
8767 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8771 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8772 if the if is really empty.
8774 2005-08-09 Steven Bosscher <stevenb@suse.de>
8776 PR tree-optimization/23234
8777 * tree-ssa-math-opts.c (place_reciprocal): New enum.
8778 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8779 argument of the new enum.
8780 (execute_cse_reciprocals): Add reciprocals for function arguments
8781 on the unique successor edge of the entry block. Update other calls
8782 to execute_cse_reciprocals_1.
8784 2005-08-08 Richard Henderson <rth@redhat.com>
8787 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8789 2005-08-08 Bob Wilson <bob.wilson@acm.org>
8791 * expr.c (write_complex_part): Return after handling MEM.
8793 2005-08-08 Josh Conner <jconner@apple.com>
8795 PR rtl-optimization/23241
8796 * combine.c (simplify_comparison): Fix error in determining
8797 whether to lift a subreg from comparison.
8799 2005-08-08 David Edelsohn <edelsohn@gnu.org>
8802 * config/rs6000/altivec.md (vec_init<mode>): New.
8803 (vec_set<mode>): New.
8804 (vec_extract<mode>): New.
8805 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8806 (rs6000_expand_vector_set): New.
8807 (rs6000_expand_vector_extract): New.
8808 (rs6000_legitimate_offset_address_p): Offset addresses are valid
8809 for Altivec modes before reload.
8810 (altivec_expand_vec_init_builtin): New.
8811 (get_element_number): New.
8812 (altivec_expand_vec_set_builtin): New.
8813 (altivec_expand_vec_ext_builtin): New.
8814 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8816 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8818 * config/rs6000/rs6000.h (rs6000_builtins): Add
8819 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8820 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8821 * config/rs6000/rs6000-protos.h: Declare new functions.
8823 2005-08-08 Jan Hubicka <jh@suse.cz>
8825 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8826 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8827 * i386.md (movdi*): Use pic_32bit_operand.
8828 * predicates.md (pic_32bit_operand): New.
8830 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
8833 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8835 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
8837 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8838 (test_for_singularity): Use fold_build2.
8840 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8842 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8844 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
8846 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8847 (COMMON_ASM_OP) Define.
8848 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8849 (ix86_encode_section_info): Likewise.
8850 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8851 SUBTARGET_ENCODE_SECTION_INFO.
8853 2005-08-06 Richard Henderson <rth@redhat.com>
8856 * tree-nested.c (convert_local_reference): Save and restore val_only
8857 around component_ref and friends. Clear walk_subtrees by default.
8859 2005-08-06 Peter O'Gorman <peter@pogma.com>
8862 * gcc.c (process_command): Check the argument to -b has a dash.
8863 * doc/invoke.texi: Update -b and -V docs.
8865 2005-08-06 James E Wilson <wilson@specifix.com>
8867 * config/mips/cross64.h, config/mips/t-cross64: Delete.
8869 2005-08-06 Michael Matz <matz@suse.de>
8871 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8872 member only if only one insn is associated with the value.
8874 2005-08-06 Nick Clifton <nickc@redhat.com>
8876 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8878 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8879 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8880 Check symbol flags instead of symbol name mangling.
8881 (xstormy16_asm_output_aligned_common): Likewise. Also
8882 simplify code since the bss100_section cass is the only case
8883 where the below100 code will be triggered.
8884 (xstormy16_encode_section_info): Encode below100 attribute
8885 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8887 (xstormy16_strip_name_encoding): Delete - this function is no
8889 (TARGET_STRIP_NAME_ENCODING): Undefine.
8890 * config/stormy16/stormy16-protos.h: Delete prototype for
8891 xstormy16_strip_name_encoding.
8893 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
8895 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8896 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8897 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8898 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8899 config/alpha/predicates.md, config/arc/arc.h,
8900 config/arm/arm.h, config/arm/ieee754-df.S,
8901 config/arm/ieee754-sf.S, config/bfin/bfin.c,
8902 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8903 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8904 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8905 config/m68hc11/m68hc11.h, config/mips/mips.c,
8906 config/mips/mips.h, config/mips/openbsd.h,
8907 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8908 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8909 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8910 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8911 config/sparc/linux.h, config/sparc/linux64.h,
8912 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8913 doc/extend.texi, doc/gcov.texi, doc/install.texi,
8914 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8915 typos. Follow spelling conventions.
8917 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
8920 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8921 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8922 specially. Check for side effects only for COND_EXPR.
8923 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8924 return with TREE_NO_WARNING.
8926 2005-08-06 Richard Sandiford <richard@codesourcery.com>
8928 PR rtl-optimization/23233
8929 * loop.c (combine_movables): Require the modes to be the same.
8930 (move_movables): Remove handling of cases where the replacement
8931 had a different mode to the original.
8933 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
8935 PR tree-optimization/23128
8936 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8937 subtraction wrap, and set TREE_OVERFLOW if they do.
8939 2005-08-05 Richard Henderson <rth@redhat.com>
8942 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8943 FORCED_LABEL labels.
8945 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
8948 * reload.c (find_reloads_subreg_address): Pass down TYPE
8949 unchanged. Change all callers except find_reloads_toplev.
8951 2005-08-05 Michael Matz <matz@suse.de>
8953 * genattrtab.c (current_alternative_string): Remove.
8954 (SIMPLIFY_ALTERNATIVE): Ditto.
8955 (attr_alt_bit_p): Ditto.
8956 (alternative_name): Make const char *.
8957 (evaluate_eq_attr): Remove use of above things.
8958 (simplify_test_exp): Ditto.
8959 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8960 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8962 2005-08-04 James E Wilson <wilson@specifix.com>
8964 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8965 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8966 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8967 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8968 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8970 2005-08-04 Richard Henderson <rth@redhat.com>
8973 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8974 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8975 * tree-sra.c (decide_block_copy): Use it. Disable element copy
8976 if we'd have to instantiate too many members.
8978 2005-08-04 Richard Henderson <rth@redhat.com>
8981 * tree-outof-ssa.c (coalesce_asm_operands): New.
8982 (coalesce_ssa_name): Use it. Split out ...
8983 (coalesce_phi_operands, coalesce_result_decls): ... these.
8985 2005-08-04 Paul Brook <paul@codesourcery.com>
8987 * read-rtl.c (read_quoted_string): Break if EOF.
8989 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
8991 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8992 (fold_build2): Likewise.
8993 (fold_build3): Likewise.
8994 (fold_build1_stat): New function prototype.
8995 (fold_build2_stat): Likewise.
8996 (fold_build3_stat): Likewise.
8997 * fold-const.c (fold_build1): Rename to ..
8998 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8999 through to build1_stat.
9000 (fold_build2): Rename to ..
9001 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
9002 through to build2_stat.
9003 (fold_build3): Rename to ..
9004 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
9005 through to build3_stat.
9007 2005-08-04 David Edelsohn <edelsohn@gnu.org>
9008 Ian Lance Taylor <ian@airs.com>
9010 * function.c (assign_stack_local_1): Do not correct stack slot
9011 address if allocation size is smaller than mode size.
9013 2005-08-04 Diego Novillo <dnovillo@redhat.com>
9016 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
9017 (tree_merge_blocks): Propagate anything allowed by
9019 Clarify documentation.
9020 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
9021 SSA form, schedule an update if necessary.
9023 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
9025 * doc/install.texi (Binaries): Remove broken link to
9026 Sinix/Reliant Unix binaries.
9028 2005-08-03 Richard Henderson <rth@redhat.com>
9031 * function.c (stack_protect_epilogue): Export.
9032 * tree.h (stack_protect_epilogue): Declare.
9033 * calls.c (expand_call): Call it.
9035 2005-08-03 Eric Christopher <echristo@apple.com>
9037 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
9038 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
9041 2005-08-04 Jan Hubicka <jh@suse.cz>
9043 * profile.c (branch_prob): Split edges with goto locus on them
9044 to get proper line counts.
9045 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
9047 2005-08-03 Paul Brook <paul@codesourcery.com>
9049 * function.c (assign_parms): Round current_function_args_size
9050 to PARM_BOUNDARY, not STACK_BOUNDARY.
9052 2005-08-03 Geoffrey Keating <geoffk@apple.com>
9054 * config/i386/i386.c (x86_elf_aligned_common)
9055 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
9057 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
9059 PR tree-optimization/23157
9060 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
9061 before emitting them.
9063 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9065 PR tree-optimization/19899
9066 * Makefile.in (tree-scalar-evolution.o): Add real.h.
9067 * tree-scalar-evolution.c: Include real.h.
9068 (add_to_evolution): Build constant -1 of correct type.
9070 2005-08-03 Jan Hubicka <jh@suse.cz>
9072 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
9073 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
9074 profile updating for complette unrolling.
9075 * loop-unroll.c (peel_loop_completely): Use it.
9076 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
9077 (tree_unroll_loops_completely): Disable code growing unrolling of cold
9080 2005-08-03 Paul Brook <paul@codesourcery.com>
9082 * combine.c (can_change_dest_mode): New function.
9083 (try_combine, simplify_set): Use it.
9085 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
9087 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
9090 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
9092 * doc/install.texi (Specific): Adjust link to openavr.org.
9093 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
9094 (Binaries): Adjust HP-UX Porting Center link.
9095 (Binaries): Adjust Free Software Foundation ordering link.
9097 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
9099 * convert.c (convert_to_integer): Use fold_build1 instead of
9100 build1 when converting an integer to an integer.
9102 2005-08-02 Richard Henderson <rth@redhat.com>
9104 * combine.c (combine_instructions): Don't use reg_equal/equiv
9105 results if the mode doesn't match.
9107 2005-08-02 Mark Mitchell <mark@codesourcery.com>
9109 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
9110 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
9112 2005-08-02 Richard Henderson <rth@redhat.com>
9115 * explow.c (memory_address): Remove special-case for
9116 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
9118 2005-08-02 Diego Novillo <dnovillo@redhat.com>
9121 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
9122 number of calls to cleanup_tree_cfg_1.
9124 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
9126 * doc/invoke.texi: document file extensions .F90 and .F95
9128 2005-08-02 Richard Guenther <rguenther@suse.de>
9130 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
9131 positive if its first argument is positive.
9133 2005-08-02 Richard Guenther <rguenther@suse.de>
9135 PR tree-optimization/23177
9136 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
9139 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
9141 PR tree-optimization/23129
9142 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
9143 varying for divisions with anti-ranges.
9145 2005-08-02 Jan Hubicka <jh@suse.cz>
9147 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
9148 * tree-ssa-threadupdate.c (thread_block): Add it here.
9150 2005-08-01 James E Wilson <wilson@specifix.com>
9152 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
9153 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
9154 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
9156 * config/mips/predicates.md (const_call_insn_operand): Add check for
9157 SYMBOL_REF_LONG_CALL_P.
9158 * doc/extend.texi (long_call): Document the new attribute.
9160 2005-08-01 Ian Lance Taylor <ian@airs.com>
9161 Richard Henderson <rth@redhat.com>
9163 * Makefile.in (RTL_BASE_H): Add real.h.
9164 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
9166 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
9168 * rtl.c (rtl_check_failed_code_mode): New.
9169 * rtl.h (struct rtx_def): Add u.rv.
9170 (XCMWINT, XCNMPRV): New.
9171 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
9172 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
9174 2005-08-01 Richard Henderson <rth@redhat.com>
9176 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
9177 with auto-inc codes.
9179 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
9181 2005-08-01 Jan Hubicka <jh@suse.cz>
9183 * i386-protos.h (asm_preferred_eh_data_format): Declare.
9184 * i386.c: Include dwarf2.h
9185 (asm_preferred_eh_data_format): New.
9186 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
9188 2005-08-01 Ian Lance Taylor <ian@airs.com>
9190 * config/host-linux.c (linux_gt_pch_get_address): Add new name
9191 randomize_va_space for virtual address randomization control.
9193 2005-08-01 Steven Bosscher <stevenb@suse.de>
9195 * common.opt (flag_ipa_cp): Put in right place to maintain
9198 2005-08-01 Jan Hubicka <jh@suse.cz>
9200 * profile.c (compute_value_histograms): Fix thinko.
9201 * value-prof.c: Include toplev.h
9202 (check_counter): New function.
9203 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
9204 tree_mod_subtract_transform): Add sanity check.
9206 2005-08-01 Richard Guenther <rguenther@suse.de>
9208 PR tree-optimization/23133
9209 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
9210 current functions parameter decls to find defs to cse
9213 2005-08-01 Richard Guenther <rguenther@suse.de>
9215 PR tree-optimization/23109
9216 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
9217 If trapping math is in effect, use post-dominator information
9218 to check if we'd in any case reach a trapping point before
9219 doing the reciprocal insertion.
9220 (execute_cse_reciprocals): Compute post-dominators, if necessary.
9221 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
9222 expressions are invariant only if trapping math is not in effect.
9224 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
9226 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
9227 cgraph_function_versioning): New declarations.
9228 * cgraphunit.c: Add include to ipa-prop.h.
9229 (update_call_expr, cgraph_copy_node_for_versioning,
9230 cgraph_function_versioning): New functions.
9231 * integrate.c (copy_decl_for_inlining): Remove.
9232 * ipa-prop.h (ipa_replace_map): New struct.
9233 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
9234 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
9235 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
9236 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
9237 ipcp_iterate_stage, ipcp_method_scale_print,
9238 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
9239 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
9240 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
9241 ipcp_update_bb_counts, ipcp_update_profiling,
9242 ipcp_update_edges_counts): New functions.
9243 (ipcp_method_cval_init): Remove restriction regarding local methods.
9244 (ipcp_init_stage): Add ipcp_method_compute_scale.
9245 (ipcp_insert_stage): Add versioning.
9246 (ipcp_structures_print): Add ipcp_method_scale_print.
9247 (ipcp_driver): Dump profiling info.
9248 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
9249 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
9250 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
9251 (struct inline_data): Add versioning_p, ipa_info, new fields.
9252 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
9253 declare_return_variable): Replace calls to copy_decl_for_inlining with
9255 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
9257 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
9258 Add argument VERSIONING.
9259 (copy_arguments_for_versioning, copy_static_chain,
9260 function_versionable_p, tree_versionable_function_p,
9261 tree_function_versioning, replace_ref_tree): New functions.
9262 * tree-inline.h: Include varray.h.
9263 (tree_versionable_function_p, tree_function_versioning,
9264 tree copy_decl_for_dup): New declarations.
9266 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
9268 * ipa-cp.c: New file. Contains IPCP specific functionality.
9269 * ipa-prop.h: New file. Contains structures/definitions that can be
9270 used by several interprocedural data flow optimizations (and also IPCP).
9271 * ipa-prop.c: New file.
9272 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
9273 * common.opt: Add ipa-cp flag.
9274 * timevar.def: Add IPCP optimization.
9275 * tree-optimize.c (init_tree_optimization_passes): Schedule
9277 * tree-pass.h (pass_ipa_cp): Declare.
9279 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
9281 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
9282 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
9283 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
9284 config/i386/i386.c, config/mips/mips.h,
9285 config/rs6000/rs6000.h, config/sh/sh.c,
9286 config/stormy16/stormy16.c: Fix comment typos.
9288 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
9291 * c-typeck.c (build_binary_op): Use common_type wrapper on
9293 (common_type): Update comment.
9295 2005-07-31 Steven Bosscher <stevenb@suse.de>
9298 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
9299 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
9300 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
9302 2005-07-31 Jan Hubicka <jh@suse.cz>
9304 * pretty-print.h (pp_widest_integer): New macro.
9305 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
9308 2005-07-31 Jan Hubicka <jh@suse.cz>
9310 * output.h (enum section_category): Export from varasm.c
9311 (categorize_decl_for_section): Likewise.
9312 * varasm.c (enum section_category): Kill.
9313 (categorize_decl_for_section): Make global.
9314 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
9316 * i386.c (ix86_section_threshold): New static variable.
9317 (ix86_in_large_data_p, ix86_encode_section_info,
9318 x86_64_elf_unique_section,
9319 x86_64_elf_select_section): New functions.
9320 (TARGET_ENCODE_SECTION_INFO): Define
9321 (override_options): Enable medium model for PIC.
9322 (ix86_expand_prologue): Expand gen_set_got_rex64.
9323 (legitimate_constant_p): Handle new UNSPECs.
9324 (legitimate_pic_address_disp_p): Likewise.
9325 (legitimize_pic_address): Lower MEDIUM model addressing.
9326 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
9327 (enum cmodel): Add MEDIUM_PIC.
9328 (SYMBOL_REF_FAR_ADDR_P): New macro.
9329 (SYMBOL_FLAG_FAR_ADDR): New flag.
9330 * i386.md (movdi): Support medium model.
9331 (set_got_rex64): New pattern.
9332 * i386.opt (mlarge-data-threshold): New flag.
9333 * predicates.md (zext_operand/sext_operand): Deal with medium model.
9334 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
9335 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
9336 TARGET_ASM_UNIQUE_SECTION): New.
9338 * invoke.texi (-mlarge_data_threshold): Document
9340 2005-07-31 Jan Hubicka <jh@suse.cz>
9342 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
9343 (coalesce_vars): Likewise.
9344 * tree-ssa-live.c (coalesce_cost): New.
9345 (build_tree_conflict_graph): Use coalesce_cost.
9346 * tree-ssa-live.h (coalesce_cost): Declare.
9348 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
9350 * arm.md (all peepholes for post-increment operations): Delete.
9351 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
9352 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
9353 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
9354 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
9355 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
9357 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
9359 * fold-const.c (tree_expr_nonnegative_p): Always return true for
9362 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
9365 * doc/invoke.texi: Document -rdynamic.
9367 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
9370 * c-parser.c (c_parser_parms_list_declarator): Call
9371 mark_forward_parm_decls.
9372 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
9373 decls with visibility structure.
9375 2005-07-30 Paul Brook <paul@codesourcery.com>
9377 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
9379 2005-07-30 Paul Brook <paul@codesourcery.com>
9381 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
9383 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
9385 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
9387 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9390 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
9391 nested function declarators.
9392 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
9393 (grokparms): Call warn_if_shadowing for parameters used within the
9395 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
9396 not used within the parameter list.
9397 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
9399 2005-07-30 Jan Hubicka <jh@suse.cz>
9401 * expr.c (expand_expr_real_1): Do not load mem targets into register.
9402 * i386.c (ix86_fixup_binary_operands): Likewise.
9403 (ix86_expand_unary_operator): Likewise.
9404 (ix86_expand_fp_absneg_operator): Likewise.
9405 * optabs.c (expand_vec_cond_expr): Validate dest.
9407 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9410 * real.c (real_from_string): Also set last bit if there is a
9411 nonzero hex digit beyond GCC's internal precision after ".".
9413 2005-07-29 David Edelsohn <edelsohn@gnu.org>
9415 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
9416 define_constants. Change duplicate values to unassigned numbers.
9417 Change UNSPEC_SUBS to UNSPEC_VSUBS.
9418 (*altivec_vspltsf): New.
9419 (altivec_vperm_v4sf): Delete.
9420 (altivec_vperm_<mode>): Use mode macro V.
9421 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
9422 (altivec_predicate_v4sf): Delete.
9423 (altivec_predicate_<mode>): Use mode macro V.
9424 (*altivec_lvesfx): New.
9425 (*altivec_stvesfx): New.
9426 (vec_realign_load_v4sf): Delete.
9427 (vec_realign_load_<mode>): Use mode macro V.
9428 * config/rs6000/rs6000.c (generate_set_vrsave): Use
9431 2005-07-29 Mark Mitchell <mark@codesourcery.com>
9434 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
9436 * configure: Regenerated.
9438 2005-07-29 Paul Brook <paul@codesourcery.com>
9440 * doc/install.texi: Add link to GFortran binaries wiki page.
9442 2005-07-29 David Ung <davidu@mips.com>
9444 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
9445 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
9446 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
9447 * config/mips/mips.md (cpu): Add 5kf name.
9448 (includes): Includes 5k.md.
9449 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
9450 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
9453 2005-07-29 Diego Novillo <dnovillo@redhat.com>
9456 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
9457 (cleanup_tree_cfg): ... here.
9458 Call cleanup_tree_cfg_1 until there are no more cleanups to
9461 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
9463 * tree-vrp.c (compare_range_with_value): Return true or false
9464 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
9465 EQ_EXPR respectively.
9467 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
9469 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
9472 2005-07-29 Diego Novillo <dnovillo@redhat.com>
9474 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
9475 (tree_ssa_dominator_optimize): Increment it.
9476 (dump_dominator_optimization_stats): Print it.
9478 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
9479 Steven Bosscher <stevenb@suse.de>
9481 PR rtl-optimization/23117
9482 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
9483 when head == tail. Tidy comment.
9485 2005-07-28 Richard Henderson <rth@redhat.com>
9487 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
9488 * cselib.c (rtx_equal_for_cselib_p): Likewise.
9489 * jump.c (rtx_renumbered_equal_p): Likewise.
9490 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
9491 CONST_INT and CONST_DOUBLE.
9492 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
9493 * reload.c (operands_match_p): Special case CONST_INT and
9494 CONST_DOUBLE; check mode earlier.
9496 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9499 * c-typeck.c (convert_for_assignment): Do not check
9500 DECL_IN_SYSTEM_HEADER on NULL fundecl.
9502 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9505 * c-typeck.c (composite_type): Prefer constant size arrays to
9508 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9511 * real.c (real_from_string): Set last bit if there is a nonzero
9512 hex digit beyond GCC's internal precision.
9514 2005-07-28 Richard Henderson <rth@redhat.com>
9517 * cfgcleanup.c (try_forward_edges): Watch out for end of
9520 2005-07-28 James E Wilson <wilson@specifixinc.com>
9523 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
9525 2005-07-28 Jan Hubicka <jh@suse.cz>
9527 * Makefile.in (rtl-profile.o): Kill all traces of it.
9528 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
9529 * coverage.h (rtl_coverage_counter_ref): Kill.
9530 * opts.c (flag_speculative_prefetching_set): Kill.
9531 (flag_loop_optimize_set): New.
9532 (common_handle_option): Disable loop optimizer when profiling;
9533 do not handle speculative prefetching.
9534 * passes.c (init_optimization_passes): Replace pass_profiling combo
9535 by branch_prob pass.
9536 * profile.c (compute_value_histograms): Update for simplified value
9538 (rtl_register_profile_hooks): Kill.
9539 (pass_profiling): Kill.
9540 (rest_of_handle_branch_prob): Do not profile.
9541 * toplev.c (process_options): Remove speculative prefetching.
9542 * toplev.h (flag_tree_based_profiling): Kill.
9543 * tree-profile.c (prepare_instrumented_value,
9544 tree_gen_interval_profiler, tree_gen_pow2_profiler,
9545 tree_gen_one_value_profiler, do_tree_profiling): Update for
9546 simplified datastructures.
9547 * value-prof.c: Add comment that speculative prefetching was dropped;
9548 update rest of file for simplified datastructures.
9549 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9550 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9551 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9552 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9553 rtl_mod_subtract, gen_speculative_prefetch,
9554 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9555 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9556 (gate_handle_value_profile_transformations,
9557 rest_of_handle_value_profile_transformations,
9558 pass_value_profile_transformations): Kill.
9559 * value-prof.h (histogram_value_t): Remove IL based unions.
9560 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9561 rtl_profile_hooks): Remove hooks.
9563 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9565 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9566 (cgraph_clone_node): Likewise.
9567 * cgraph.h (cgraph_clone_edge): Update prototype.
9568 (cgraph_clone_node): Likewise.
9569 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9571 (lookup_recursive_calls): Consider profile.
9572 (cgraph_decide_recursive_inlining): Fix updating; use new
9573 probability argument; use profile.
9574 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9575 * tree-inline.c (copy_bb): Update clal of clone_edge.
9576 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9578 * invoke.texi (min-inline-recursive-probability): Document.
9580 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
9582 * doc/install.texi (Configuration): Update Valgrind homepage.
9584 2005-07-28 Richard Henderson <rth@redhat.com>
9587 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9588 labels we want to delete.
9589 (cfg_layout_merge_blocks): Likewise.
9591 2005-07-28 Richard Henderson <rth@redhat.com>
9594 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9595 when expanding to nothing.
9597 2005-07-28 Josh Conner <jconner@apple.com>
9599 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9600 (cgraph_decide_inlining_of_small_functions): Likewise.
9602 2005-07-28 Josh Conner <jconner@apple.com>
9604 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
9605 direction of badness if negative.
9606 (cgraph_default_inline_p): Add reason to parameters, and assign it
9608 (cgraph_decide_inlining_of_small_functions): New parameter in call
9609 to cgraph_default_inline_p.
9610 (cgraph_decide_inlining_incrementally): Likewise.
9611 * cgraphunit.c (decide_is_function_needed): Likewise.
9612 * cgraph.h (cgraph_default_inline_p): Likewise.
9614 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9616 * builtins.c: Fix comment typo(s).
9617 * genautomata.c: Likewise.
9618 * gimplify.c: Likewise.
9619 * tree-dfa.c: Likewise.
9620 * tree-flow-inline.h: Likewise.
9621 * tree-into-ssa.c: Likewise.
9622 * tree-ssa-alias.c: Likewise.
9623 * tree-ssa-ccp.c: Likewise.
9624 * tree-ssa-copy.c: Likewise.
9625 * tree-ssa-dce.c: Likewise.
9626 * tree-ssa-dom.c: Likewise.
9627 * tree-ssa-operands.c: Likewise.
9628 * tree-tailcall.c: Likewise.
9629 * tree-vectorizer.c: Likewise.
9630 * tree-vrp.c: Likewise.
9633 2005-07-28 Jeff Law <law@redhat.com>
9635 * tree-vrp.c (test_for_singularity): Extracted from ...
9636 (simplify_cond_using_ranges): Attempt to simplify a relational
9637 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
9639 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
9641 PR tree-optimization/22506
9642 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9643 phis whose argument is constant.
9645 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
9647 PR rtl-optimization/18992
9648 Back out this patch:
9649 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9650 PR optimization/12142
9651 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9652 uses of the register in the SET_SRC. Remove unnecessary argument.
9654 Replace it with this:
9655 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9656 if flag_non_call_exceptions is set and the insn may trap, pass
9657 pc_rtx as dest for recursion.
9658 In SET_SRC part of SET case, if dest is already set, pass it down
9661 2005-07-28 Jan Hubicka <jh@suse.cz>
9663 * cfg.c (update_bb_profile_for_threading): Use RDIV.
9664 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9665 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9667 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9668 profile when available.
9670 2005-07-28 Jan Beulich <jbeulich@novell.com>
9672 * config/ia64/ia64.c (ia64_load_pair_ok): New.
9673 (ia64_print_operand): Describe and handle 'X'.
9674 (ia64_register_move_cost): Also handle FP_REGS.
9675 (ia64_preferred_reload_class): Likewise.
9676 (ia64_secondary_reload_class): Likewise.
9677 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9678 it. Also check for ITANIUM_CLASS_FLDP.
9679 * config/ia64/ia64.h (FP_REGNO_P): New.
9680 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9681 (reg_class): Add FP_REGS.
9682 (REG_CLASS_NAMES): Adjust for it.
9683 (REG_CLASS_CONTENTS): Likewise.
9684 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9685 (REG_CLASS_FROM_LETTER): Handle 'x'.
9686 (CLASS_MAX_NREGS): Handle FP_REGS.
9687 (MEMORY_MOVE_COST): Likewise.
9688 * config/ia64/ia64.md (itanium_class): Add fldp.
9689 (type): Handle fldp.
9690 (movti_internal): More allowable operand combinations. Use ldfp8 when
9691 splitting unnecessary. Remove predicable attribute. Adjust
9692 itanium_class attribute.
9693 (smuldi3_highpart): Remove outdated comment.
9694 (mulditi3, umulditi3, rotlti3): New expanders.
9695 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9696 (absti2): Disabled new insn for future reference.
9697 Respective new splitters.
9698 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9699 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9700 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9702 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
9704 PR rtl-optimization/23047
9705 * simplify-rtx.c (simplify_const_relational_operation): Respect
9706 flag_wrapv for comparisons with ABS.
9708 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
9710 PR tree-optimization/22493
9711 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9712 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9714 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
9716 * config/frv/frv.opt (moptimize-membar): New.
9718 * doc/invoke.texi: Document -moptimize-membar and its inverse.
9720 * config/frv/frv.h: Remove machine_function definition.
9722 * config/frv/frv.c (struct frv_io): New.
9723 (struct machine_function): Moved from frv.h. Add has_membar_p.
9724 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9725 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9726 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9727 (frv_optimize_membar_global, frv_optimize_membar): New functions.
9728 (frv_reorg): Call frv_optimize_membar when appropriate.
9729 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9730 (frv_expand_builtin): Adjust calls accordingly.
9731 (frv_io_address_cookie): New function.
9732 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9733 load or store rather than a special insn. Add ccnstant address and
9734 io-type operands to the membar.
9735 (frv_ifcvt_modify_tests): Unsign regno.
9736 (frv_ifcvt_modify_tests): Same.
9738 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
9739 UNSPEC_OPTIONAL_MEMBAR constant.
9740 (builtin_read_<mode>): Delete.
9741 (builtin_write_<mode>): Delete.
9742 ("optional_membar_<mode>"): Add operand.
9744 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9745 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9746 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9747 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9748 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9749 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9750 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9751 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9752 * testsuite/gcc.target/frv/all-read-write-1.c: New.
9754 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
9756 * df.c (df_uses_record): Handle SCRATCH.
9758 2005-07-28 Steven Bosscher <stevenb@suse.de>
9761 * passes.c (rest_of_decl_compilation): If decl is a type and
9762 we have encountered errors, don't emit debug information.
9764 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9766 * params.def: Fixed comment.
9768 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
9771 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9772 (TARGET_ASM_UNALIGNED_HI_OP): Add.
9773 (TARGET_ASM_UNALIGNED_SI_OP): Add.
9775 2005-07-27 Steven Bosscher <stevenb@suse.de>
9778 * varasm.c (assemble_start_function): Don't do anything that may
9779 require a CFG if the current function is a thunk.
9781 2005-07-25 Geoffrey Keating <geoffk@apple.com>
9783 * doc/install.texi (Prerequisites): Mention that perl is needed
9784 to do export control in libstdc++ targetting Darwin.
9786 2005-07-27 Steven Bosscher <stevenb@suse.de>
9788 PR rtl-optimization/17808
9789 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9790 (sched_insns_conditions_mutex_p): Split out from...
9791 (add_dependence): ...here. But don't call it from here.
9792 (add_dependence_list): Check sched_insns_conditions_mutex_p
9793 before calling add_dependence.
9794 (add_dependence_list_and_free): Likewise.
9795 (fixup_sched_groups): Likewise.
9796 (sched_analyze_1): Likewise.
9797 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9798 (sched_analyze): Likewise.
9799 (sched_analyze_insn): Likewise.
9800 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9801 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
9802 dependencies on all COND_EXEC insns to jumps ending basic blocks
9803 when doing intrablock scheduling.
9804 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9806 2005-07-27 Jeff Law <law@redhat.com>
9808 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9809 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
9810 equivalency sets, correctly handle the case were vr0 has an
9811 equivalency set, but vr1 does not.
9813 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
9815 PR tree-optimization/23073
9816 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9817 vect_print_dump_info before fprintf.
9819 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9821 PR tree-optimize/22348
9822 * tree-ssa-loop-niter.c (number_of_iterations_cond):
9823 Fold the partial computation.
9825 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9827 PR tree-optimization/22325
9828 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9830 * tree-scalar-evolution.c (scev_const_prop): Add generic final
9832 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9833 (force_var_cost): ... this function.
9834 (compute_phi_arg_on_exit): Export.
9836 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9838 PR tree-optimization/20773
9839 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9842 2005-07-27 Richard Guenther <rguenther@suse.de>
9844 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9845 Avoid pushing again if current struct contains only
9846 fields we decomposed.
9848 2005-07-27 Jan Hubicka <jh@suse.cz>
9850 PR tree-optimization/22574
9851 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9854 * tree-tailcall.c (decrease_profile): New function.
9855 (eliminate_tail_call): Use it.
9857 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9858 visibility flags correctly in whole program mode.
9860 2005-07-26 Steve Ellcey <sje@cup.hp.com>
9862 PR rtl-optimization/22472
9863 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9865 2005-07-26 Steven Bosscher <stevenb@suse.de>
9867 PR tree-optimization/22504
9868 * tree-complex.c (expand_complex_addition): Use 'code' instead
9869 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9871 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9873 * config.gcc (cpu_type): Add frv case.
9874 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9875 (supported_defaults): Add fr550 case.
9877 2005-07-26 Diego Novillo <dnovillo@redhat.com>
9880 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9881 whether a pointer of type T * may point to objects of type T *.
9883 2005-07-26 DJ Delorie <dj@redhat.com>
9885 * configure: Regenerate.
9887 2005-07-26 Dale Johannesen <dalej@apple.com>
9889 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
9891 2005-07-26 Mark Mitchell <mark@codesourcery.com>
9893 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9894 Clarify use of "build" in name.
9896 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9898 * doc/extend.texi (Raw read/write Functions): New section.
9899 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9900 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9901 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9902 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9903 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9904 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9905 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9906 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9907 * config/frv/frv.c: Add bdesc_loads global.
9908 Add bdesc_stores global.
9909 (frv_init_builtins): Add support for __builtin_{read/write}*.
9910 (frv_volatile_memref): New.
9911 (frv_expand_load_builtin): New.
9912 (frv_expand_store_builtin): New.
9913 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9914 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9915 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9916 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9917 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9918 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9919 (builtin_read_<mode>): New.
9920 (builtin_write_<mode>): New.
9921 (builtin_write64): New.
9922 (optional_membar_<mode>): New.
9924 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
9926 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9927 (rather than units) against HOST_BITS_PER_WIDE_INT.
9929 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
9931 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9932 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9933 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9934 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9937 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9938 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9939 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9941 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9943 2005-07-26 Richard Guenther <rguenther@suse.de>
9945 PR tree-optimization/22486
9946 * fold-const.c (fold_unary): Fold away useless component
9947 references of the form (T *)&T.x, if the address
9950 2005-07-25 James E Wilson <wilson@specifixinc.com>
9952 * dwarf2out.c (add_call_src_coords_attributes): New.
9953 (gen_inlined_subroutine_die): Call it.
9954 (maybe_emit_file, init_file_table): Add comments.
9955 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9957 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9958 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9959 * tree.h (BLOCK_SOURCE_LOCATION): New.
9960 (struct tree_block): New field locus.
9962 2005-07-26 Andreas Schwab <schwab@suse.de>
9964 PR rtl-optimization/23043
9965 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9966 when allocating a struct unoccr.
9968 2005-07-25 Richard Henderson <rth@redhat.com>
9971 * tree-complex.c (gate_no_optimization): True if errors.
9972 * Makefile.in (tree-complex.o): Update dependencies.
9974 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
9976 * config/frv/predicates.md (integer_register_operand): Use
9979 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9982 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9984 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9986 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9988 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9989 types when flag_unsafe_math_optimizations is true.
9991 2005-07-25 Mark Mitchell <mark@codesourcery.com>
9993 * gcc.c (option_map): Add --sysroot.
9994 (process_command): Handle --sysroot.
9995 (display_help): Document it.
9996 * doc/cppopts.tex (-isysroot): Document.
9997 * doc/invoke.texi (--sysroot): Document.
9998 * doc/install.texi (--with-build-sysroot): Document.
10000 * Makefile.in (inhibit_libc): New variable.
10001 (INHIBIT_LIBC_CFLAGS): Likewise.
10002 (LIBGCC2_CFLAGS): Include
10003 $(INHIBIT_LIBC_CFLAGS).
10004 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
10005 ($(T)crtbegin.o): Do not use @inhibit_libc@.
10006 ($(T)crtend.o): Likewise.
10007 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
10008 ($(T)crtendS.o): Likewise.
10009 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
10010 ($(T)crtendT.o): Likewise.
10011 (stmp-fixinc): Do not complain about missing headers if
10013 * configure.ac (inhibit_libc): Set it to true/false.
10014 (--with-build-sysroot): New option. Use it to set
10016 * configure: Regenerated.
10018 2005-07-25 Manfred Hollstein <mh@suse.com>
10020 * calls.c (store_one_arg): Fix unsigned comparison warning.
10022 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
10025 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
10026 (ggc_print_statistics): Initialize variable before use.
10028 2005-07-25 Richard Guenther <rguenther@suse.de>
10030 * tree-dfa.c (mark_new_vars_to_rename): Protect against
10031 calling with a PHI_NODE argument.
10033 * tree-flow-inline.h (overlap_subvar): Protect against
10036 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
10038 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
10039 * configure: Regenerate.
10041 2005-07-25 Ira Rosen <irar@il.ibm.com>
10043 * expr.c (highest_pow2_factor): Make extern.
10044 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
10045 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
10046 record_array_differ_p, array_ptr_differ_p): Likewise.
10047 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
10048 additional cases. Call the above functions.
10049 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
10050 base_object_differ_p when there are two base objects. Otherwise, compare
10051 base address and offset. Call may_alias_p.
10052 (dump_data_reference): Use a correct field name.
10053 (analyze_array): Make static. Initialize new data-ref fields.
10054 (analyze_indirect_ref): New function.
10055 (init_data_ref): Initialize new data-ref fields.
10056 (strip_conversion): Moved from tree-vect-analyze.c.
10057 (analyze_offset_expr, get_ptr_offset, address_analysis,
10058 object_analysis): Likewise.
10059 (analyze_offset): New function.
10060 (create_data_ref): Likewise.
10061 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
10062 dimensions for ARRAY_REFs only.
10063 (build_classic_dist_vector): Make static.
10064 (access_functions_are_affine_or_constant_p): Call macro to get the
10065 address of access functions.
10066 (compute_all_dependences): Add new parameter
10067 compute_self_and_read_read_dependences. Compute self and read-read
10068 dependences if it is true.
10069 (find_data_references_in_loop): Call create_data_ref. Initialize new
10071 (compute_data_dependences_for_loop): Add new parameter
10072 compute_self_and_read_read_dependences. Remove parameter nb_loops,
10073 compute nb_loops. Call compute_all_dependences,
10074 build_classic_dist_vector and build_classic_dir_vector with correct
10076 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
10077 with correct parameters. Compare dimensions for ARRAY_REFs only.
10078 (free_data_refs): Call macro to free access functions.
10079 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
10080 fields from stmt_vinfo.
10081 (struct base_object_info): New structure.
10082 (struct data_reference): Move fields to base_object_info. Add fields
10083 first_location and object_info for above structures. Move fields from
10084 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
10085 aligned_to. Add macros to access the new fields.
10086 Update functions declarations.
10087 * tree-flow.h (is_aliased_with): Declare.
10088 * tree-loop-linear.c (linear_transform_loops): Call
10089 compute_data_dependences_for_loop with correct parameters.
10090 * tree-ssa-alias.c (is_aliased_with): New function.
10091 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
10092 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
10093 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
10094 vect_base_addr_differ_p, compute_subscript_distance and
10095 build_classic_dist_vector. Add printings. Check absolute value of
10097 (vect_analyze_data_ref_dependences): Go through ddrs instead of
10099 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
10100 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
10101 to bytes. Add printing.
10102 (vect_compute_data_refs_alignment): Go through loads and stores in one
10104 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
10105 vect_analyze_data_ref_access): Likewise.
10106 (vect_analyze_pointer_ref_access): Remove.
10107 (vect_address_analysis, vect_object_analysis): Likewise.
10108 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
10109 and analyze data-refs in the loop.
10110 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
10111 fields of data-ref instead of stmt. Add init to the offset from the
10113 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
10114 (vect_update_init_of_dr): Likewise.
10115 (vect_update_inits_of_drs): Go through loads and stores in one loop.
10116 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
10118 (new_loop_vec_info): Initialize new fields.
10119 (destroy_loop_vec_info): Free new fields.
10120 (vect_strip_conversion): Remove.
10121 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
10122 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
10123 datarefs. Add new field ddrs.
10124 Add macros for the new fields access.
10125 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
10126 base_aligned_p, misalignment, memtag, ptr_info and subvars.
10127 Remove their macros.
10128 * tree.h (highest_pow2_factor): Declare.
10130 2005-07-25 Jakub Jelinek <jakub@redhat.com>
10132 * calls.c (store_one_arg): Check for sibling call MEM arguments
10133 from already clobbered incoming argument area.
10135 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10137 * c-common.c (check_missing_format_attribute): New.
10138 * c-common.h (check_missing_format_attribute): Likewise.
10139 * c-typeck.c (convert_for_assignment): Use it.
10141 2005-07-24 Andreas Schwab <schwab@suse.de>
10143 * config/m68k/m68k.md ("extendqidi2"): When source is an address
10144 register use a word move. Correct operand of ext.w in 68000 code.
10146 2005-07-23 Mark Mitchell <mark@codesourcery.com>
10148 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
10149 variables as declarations, rather than definitions.
10151 2005-07-24 Ira Rosen <irar@il.ibm.com>
10153 PR tree-optimization/22526
10154 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
10157 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10159 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
10160 that C99 reserve for future use. Use it to define clog10,
10161 clog10f and clog10l.
10163 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10165 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
10166 * configure.ac: Check for -Wmissing-format-attribute.
10168 * configure: Regenerate.
10170 2005-07-23 Richard Henderson <rth@redhat.com>
10172 PR tree-optimization/22623
10173 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
10175 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
10178 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
10180 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10182 * Makefile.in (C_TREE_H): Update dependencies.
10183 * c-tree.h: Include toplev.h.
10184 * diagnostic.h (diagnostic_set_info): Add format attribute.
10185 * rtl-error.c (diagnostic_for_asm): Likewise.
10187 2005-07-23 Chao-ying Fu <fu@mips.com>
10189 * config/mips/mips-dsp.md: New file.
10190 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
10191 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
10193 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
10194 MIPS_BUILTIN_BPOSGE32.
10195 (mips_expand_builtin_direct): Add one parameter to indicate that
10196 builtin functions need to return a value.
10197 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
10199 (mips_regno_to_class): Add classes for 12 new DSP registers.
10200 (mips_subword): Change to check four HI registers.
10201 (mips_output_move): Output move to and from 6 new DSP accumulators.
10202 (override_options): Make sure -mdsp and -mips16 are not used together.
10203 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
10205 (mips_conditional_register_usage): Disable 6 new DSP accumulators
10207 (print_operand): Add 'q' for printing DSP accumulators.
10208 (mips_cannot_change_mode_class): Check ACC_REGS.
10209 (mips_secondary_reload_class): Check ACC_REGS.
10210 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
10211 (mips_register_move_cost): Check ACC_REGS.
10212 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
10213 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
10214 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
10215 (dsp_bdesc): New array.
10216 (bdesc_arrays): Add DSP builtin function table.
10217 (mips_prepare_builtin_arg): Check predicate again after
10219 (mips_expand_builtin): Add one more parameter to
10220 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
10221 MIPS_BUILTIN_BPOSGE32.
10222 (mips_init_builtins): Initialize new function types.
10223 (mips_expand_builtin_direct): Check if builtin functions need to
10224 return a value and pass operands properly.
10225 (mips_expand_builtin_bposge): New function.
10226 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
10227 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
10228 (FIRST_PSEUDO_REGISTER): Increase to 188.
10229 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
10230 Update for 12 new DSP registers.
10231 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
10232 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
10233 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
10234 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
10235 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
10236 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
10237 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
10238 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
10239 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
10240 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
10241 (REGISTER_NAMES): Add names for 12 new DSP registers.
10242 * config/mips/mips.md: Include mips-dsp.md.
10243 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
10244 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
10245 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
10246 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
10247 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
10248 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
10249 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
10250 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
10251 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
10252 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
10253 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
10254 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
10255 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
10256 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
10257 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
10258 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
10259 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
10260 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
10261 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
10262 (UNSPEC_RDDSP): New constants.
10263 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
10264 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
10266 * config/mips/mips.opt (-mdsp): New option.
10267 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
10268 (reg_imm10_operand): New predicates.
10269 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
10270 * doc/invoke.texi (-mdsp): Document new option.
10272 2005-07-22 DJ Delorie <dj@redhat.com>
10274 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
10276 * tree-inline.c (inlinable_function_p): Likewise.
10278 2005-07-22 Mark Mitchell <mark@codesourcery.com>
10281 * toplev.c (check_global_declarations): Do not mark undefined
10282 variables as DECL_IGNORED_P.
10283 * varasm.c (first_global_object_name): GTY it.
10284 (weak_global_object_name): Likewise.
10285 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
10286 a string to go into {weak,first}_global_object_name.
10288 2005-07-22 DJ Delorie <dj@redhat.com>
10290 * c-format.c (check_function_format): Change warning control
10291 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
10293 2005-07-22 Diego Novillo <dnovillo@redhat.com>
10295 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
10296 &PTR->FLD a dereference of PTR.
10297 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
10298 a potential dereference of PTR.
10300 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
10302 PR rtl-optimization/20370
10303 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
10304 call allocate_reg_info if necessary.
10306 PR rtl-optimization/21848
10307 * calls.c (emit_library_call_value_1): For const functions, add
10308 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
10310 PR rtl-optimization/22445
10311 * cselib.c (target.h): Include.
10312 (rtx_equal_for_cselib_p): Allow commutative matches.
10313 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
10314 Remove MODE parameter. Changed all callers.
10316 PR rtl-optimization/22258
10317 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
10319 (try_combine): Use likely_spilled_retval_p.
10321 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
10323 * config.gcc: Add crx-elf support.
10325 * doc/contrib.texi: Mention crx.
10326 * doc/extend.texi: Document crx extensions.
10327 * doc/install.texi: Document crx install.
10328 * doc/invoke.texi: Document crx options.
10329 * doc/md.texi: Document crx constraints.
10331 * config/crx/crx-protos.h: New file.
10332 * config/crx/crx.c: New file.
10333 * config/crx/crx.h: New file.
10334 * config/crx/crx.md: New file.
10335 * config/crx/crx.opt: New file.
10336 * config/crx/t-crx: New file.
10338 2005-07-22 Manfred Hollstein <mh@suse.com>
10340 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
10342 (int_add_graph_edge): Likewise.
10343 (collapse_nodes): Likewise.
10344 (process_unification_queue): Likewise.
10346 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10347 Laurent GUERBY <laurent@guerby.net>
10349 PR tree-optimization/22336
10350 * function.c (record_block_change): Check for
10351 cfun->ib_boundaries_block.
10353 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
10355 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
10356 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
10358 2005-07-21 DJ Delorie <dj@redhat.com>
10360 * toplev.c (warn_deprecated_use): Add warning control to warning
10362 * c-typeck.c (parser_build_binary_op): Likewise.
10363 (c_finish_if_stmt): Likewise.
10364 * c-common.c (check_function_sentinel): Likewise.
10365 (check_nonnull_arg): Likewise.
10367 2005-07-21 Richard Henderson <rth@redhat.com>
10370 * tree-complex.c (complex_ssa_name_components): New.
10371 (cvc_lookup): Allow entry not found.
10372 (create_components): Remove.
10373 (create_one_component_var, get_component_var): New.
10374 (get_component_ssa_name, set_component_ssa_name): New.
10375 (extract_component): Use get_component_ssa_name.
10376 (update_complex_components): Use set_component_ssa_name.
10377 (update_complex_components_on_edge): Likewise.
10378 (update_phi_components): Create new PHI nodes directly, instead
10379 of adding insns to edges.
10380 (tree_lower_complex): Allocate and free complex_variable_components
10381 and complex_ssa_name_components here.
10383 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
10385 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
10386 revert to returning false.
10388 2005-07-21 Uros Bizjak <uros@kss-loka.si>
10391 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
10393 2005-07-21 Uros Bizjak <uros@kss-loka.si>
10396 * config/i386/i386.md (cmpxf): Change operand constraints
10397 to "nonmemory_operand".
10399 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10401 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
10403 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10405 PR middle-end/21180
10406 * fold-const.c (fold_build1): Add checksum for the operands.
10407 (fold_build2): Likewise.
10408 (fold_build3): Likewise.
10410 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10412 PR middle-end/19055
10413 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
10415 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10417 * common.opt (-fforward-propagate): Committed by mistake,
10420 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10422 * reg-stack.c: Fix comment typo(s).
10423 * tree-ssa-operands.c: Likewise.
10424 * tree-vectorizer: Likewise.
10426 2005-07-21 Nick Clifton <nickc@redhat.com>
10428 * config/sh/symbian.c: Replace C++ style line comments with C
10429 style line comments.
10430 (symbian_add_attribute): Do not use a ? operator on the LHS of
10432 (sh_symbian_handle_dll_attribute): Change the type of the
10433 method vector to "VEC(tree,gc)*" and use vector accessor
10434 macros to walk over the elements.
10435 (symbian_export_vtable_and_rtti_p): Likewise.
10436 (symbian_class_needs_attribute_p): Likewise.
10438 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10441 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
10442 initialize targetm.resolve_overloaded_builtin here.
10443 (altivec_expand_overloaded_builtin): Make it non-static.
10444 * config/rs6000/rs6000-protos.h
10445 (altivec_expand_overloaded_builtin): New prototype.
10446 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
10447 targetm.resolve_overloaded_builtin here.
10448 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
10450 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10451 Zdenek Dvorak <dvorakz@suse.cz>
10453 PR tree-optimization/19210
10454 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
10456 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
10457 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
10458 rely on unproven assumptions.
10459 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
10460 * tree-flow.h (number_of_iterations_exit): Add final parameter.
10461 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
10462 to number_of_iterations_exit.
10463 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
10464 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
10465 * tree-ssa-loop-niter.c (find_loop_niter,
10466 estimate_numbers_of_iterations_loop): Likewise.
10467 (number_of_iterations_exit): Honor the new options.
10468 * doc/invoke.texi (Wunsafe-loop-optimizations,
10469 funsafe-loop-optimizations): Document them.
10471 2005-07-21 Richard Sandiford <richard@codesourcery.com>
10473 PR rtl-optimization/22167
10474 * gcse.c (hoist_code): Fix hoist_exprs[] check.
10476 2005-07-20 Adam Nemet <anemet@lnxw.com>
10478 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
10479 __do_global_dtors_aux longcall.
10481 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
10483 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
10484 (old_special_pred_table): Don't reference
10485 SPECIAL_MODE_PREDICATES.
10486 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
10487 * config/arc/arc.h: Don't mention PREDICATE_CODES.
10488 * config/sh/predicates.h: Don't mention
10489 SPECIAL_MODE_PREDICATES.
10490 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
10493 2005-07-20 DJ Delorie <dj@redhat.com>
10495 * config.gcc: Add m32c-elf support.
10497 * doc/contrib.texi: Mention m32c.
10498 * doc/extend.texi: Document m32c extensions.
10499 * doc/install.texi: Mention m32c.
10500 * doc/invoke.texi: Document m32c options.
10501 * doc/md.texi: Document m32c constraints.
10503 * config/m32c/addsub.md: New file.
10504 * config/m32c/bitops.md: New file.
10505 * config/m32c/cond.md: New file.
10506 * config/m32c/jump.md: New file.
10507 * config/m32c/m32c-lib1.S: New file.
10508 * config/m32c/m32c-lib2.c: New file.
10509 * config/m32c/m32c-modes.def: New file.
10510 * config/m32c/m32c-pragma.c: New file.
10511 * config/m32c/m32c-protos.h: New file.
10512 * config/m32c/m32c.abi: New file.
10513 * config/m32c/m32c.c: New file.
10514 * config/m32c/m32c.h: New file.
10515 * config/m32c/m32c.md: New file.
10516 * config/m32c/m32c.opt: New file.
10517 * config/m32c/minmax.md: New file.
10518 * config/m32c/mov.md: New file.
10519 * config/m32c/muldiv.md: New file.
10520 * config/m32c/predicates.md: New file.
10521 * config/m32c/prologue.md: New file.
10522 * config/m32c/shift.md: New file.
10523 * config/m32c/t-m32c: New file.
10525 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10527 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
10528 (stack_protect_set, stack_protect_test): New expanders.
10529 (stack_protect_set_si, stack_protect_set_si_media,
10530 stack_protect_set_di_media, stack_protect_test_si,
10531 stack_protect_test_si_media, stack_protect_test_di_media):
10534 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
10536 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10538 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
10540 * tree.h (tree_expr_nonzero_p): Export.
10541 * fold-const.c (tree_expr_nonzero_p): Likewise.
10542 Return true for CALL_EXPRs that are alloca calls.
10543 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10545 * tree-flow.h (expr_computes_nonzero): Remove.
10546 * tree-vrp.c (expr_computes_nonzero): Remove.
10547 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10548 (extract_range_from_unary_expr): Likewise.
10549 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10550 tree_expr_nonzero_p.
10552 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
10554 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10555 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
10556 extra arg "picreg" and use it instead of pic_offset_table_rtx.
10557 All callers changed.
10558 (frame_related_constant_load): New arg "related" which controls
10559 setting of RTX_FRAME_RELATED_P. All callers changed.
10560 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10561 (bfin_expand_prologue): Add stack limit checking.
10562 * config/bfin/bfin.md (trapifcc): New pattern.
10564 * config/bfin/bfin.c: Include "langhooks.h".
10565 (def_builtin): Go through lang_hooks to call builtin_function.
10567 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10568 * config/bfin/predicates.md (symbol_ref_operand): New.
10569 (call_insn_operand): Delete. All callers changed to use
10570 register_no_elim_operand.
10571 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10573 (function_arg): Use it to generate the call's operand 2.
10574 (bfin_longcall_p): New function.
10575 (bfin_expand_call): Extra arg "cookie". All callers and declaration
10576 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
10577 determine if the address needs to be in a REG.
10578 (bfin_handle_longcall_attribute): New function.
10579 (bfin_attribute_table): Add "longcall" and "shortcall".
10580 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10581 (CUMULATIVE_ARGS): New member call_cookie.
10582 (PREDICATE_CODES): Add symbol_ref_operand.
10583 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10584 extra USE to the pattern.
10585 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10586 New patterns, split off call_insn, sibcall_insn, call_value_insn and
10587 sibcall_value_insn; now the new patterns handle direct calls and the
10588 old ones indirect calls.
10589 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10591 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
10593 * doc/trouble.texi: Update section on handling of empty loops.
10595 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
10597 * config.gcc: Remove support for sparc-*-openbsd*,
10598 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10600 * config.host: Remove support for i860-*-sysv4* as a host.
10601 * config/i860/*, config/ip2k/*, config/ns32k/*,
10602 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10603 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10604 mention obsolete ports.
10606 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10608 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10609 soft frame pointer.
10610 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10611 of frame_pointer_rtx.
10612 (sh_expand_epilogue): Likewise.
10613 (sh_set_return_address): Likewise.
10614 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10615 instead of FRAME_POINTER_REGNUM if needed. Add elimination
10616 offsets from FRAME_POINTER_REGNUM.
10617 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10618 (sh_register_names): Add initializer for sfp.
10619 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10620 (VALID_REGISTER_P): Likewise.
10621 (FIRST_PSEUDO_REGISTER): Update.
10622 (DWARF_FRAME_REGISTERS): Define.
10623 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10624 (HARD_FRAME_POINTER_REGNUM): Define.
10625 (FRAME_POINTER_REGNUM): Redefine.
10626 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10627 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
10628 from FRAME_POINTER_REGNUM.
10629 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10630 FRAME_POINTER_REGNUM.
10631 (REG_CLASS_CONTENTS): Add sfp.
10632 (REG_ALLOC_ORDER): Likewise.
10633 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
10634 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10635 of frame_pointer_rtx.
10636 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10638 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
10640 * fold-const.c (tree_expr_nonnegative_p): Only return true for
10641 ABS_EXPR when flag_wrapv is false because of INT_MIN.
10642 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10644 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10647 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
10649 Make CONSTRUCTOR use VEC to store initializers.
10650 * c-common.c (complete_array_type): Update to cope with VEC in
10652 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10653 (pp_c_constructor_elts): New function.
10654 * c-pretty-print.h (pp_c_constructor_elts): Declare.
10655 * c-typeck.c (build_function_call, build_c_cast, digest_init,
10656 struct constructor_stack, struct initializer_stack,
10657 constructor_elements, push_init_level, pop_init_level,
10658 add_pending_init, find_init_member, output_init_element): Update to
10659 cope with VEC in CONSTRUCTOR_ELTS.
10660 * coverage.c (build_fn_info_value, build_ctr_info_value,
10661 build_gcov_info): Likewise.
10662 * expr.c (categorize_ctor_elements_1, store_constructor,
10663 expand_expr_real_1): Likewise.
10664 * fold-const.c (fold_ternary): Likewise.
10665 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10666 gimplify_init_constructor, gimplify_expr): Likewise.
10667 * tree-dump.c (dequeue_and_dump): Likewise.
10668 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10670 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10672 * tree-sra.c (generate_element_init_1): Likewise.
10673 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10674 * tree-ssa-operands.c (get_expr_operands): Likewise.
10675 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10676 * tree-vect-transform.c (vect_get_vec_def_for_operand):
10677 (get_initial_def_for_reduction): Likewise.
10678 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10679 value handle in annotations.
10680 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10681 tree_node_structure): Add support for constr_kind.
10682 (build_vector_from_ctor, build_constructor_single,
10683 build_constructor_from_list): New functions.
10684 (build_constructor): Update to take a VEC instead of a TREE_LIST.
10685 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10686 Update to cope with VEC in CONSTRUCTOR_ELTS.
10687 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10688 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10689 CONSTRUCTOR_APPEND_ELT): New macros.
10690 (struct constructor_elt, struct tree_constructor): New data types.
10691 (union tree_node): Add tree_constructor field.
10692 * treestruct.def: Define TS_CONSTRUCTOR.
10693 * varasm.c (const_hash_1, compare_constant, copy_constant,
10694 compute_reloc_for_constant, output_addressed_constants,
10695 initializer_constant_valid_p, output_constant,
10696 array_size_for_constructor, output_constructor): Update to cope with
10697 VEC in CONSTRUCTOR_ELTS.
10698 * vec.h (VEC_empty, VEC_copy): New macros.
10700 2005-07-19 Devang Patel <dpatel@apple.com>
10702 * dbxout.c (dbxout_type): Check Objective-C++ lang.
10704 2005-07-19 Richard Henderson <rth@redhat.com>
10707 * gimplify.c (gimplify_expr): Use main variant type for the temp
10708 destination for a discarded volatile read.
10709 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10710 casts between non-void types that change volatility.
10712 2005-07-15 DJ Delorie <dj@redhat.com>
10714 * toplev.h: Add comment about the first parameter for warning().
10715 * errors.h: Likewise.
10717 * c.opt (Wpragmas): New.
10718 * doc/invoke.texi: Document it.
10720 * function.c (do_warn_unused_parameter): Add warning control to
10722 * c-decl.c (warn_if_shadowing): Likewise.
10723 * c-lex.c (cb_def_pragma): Likewise.
10724 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10725 (pop_alignment): Likewise.
10726 (handle_pragma_pack): Likewise.
10727 (apply_pragma_weak): Likewise.
10728 (handle_pragma_weak): Likewise.
10729 (handle_pragma_redefine_extname): Likewise.
10730 (add_to_renaming_pragma_list): Likewise.
10731 (handle_pragma_extern_prefix): Likewise.
10732 (maybe_apply_renaming_pragma): Likewise.
10733 (handle_pragma_visibility): Likewise.
10735 * config/c4x/c4x-c.c (BAD): Likewise.
10736 (c4x_parse_pragma): Likewise.
10737 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10738 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10739 (rs6000_pragma_longcall): Likewise.
10740 * config/v850/v850-c.c (pop_data_area): Likewise.
10741 (ghs_pragma_section): Likewise.
10742 (ghs_pragma_section): Likewise.
10743 (ghs_pragma_interrupt): Likewise.
10744 (ghs_pragma_starttda): Likewise.
10745 (ghs_pragma_startsda): Likewise.
10746 (ghs_pragma_startzda): Likewise.
10747 (ghs_pragma_endtda): Likewise.
10748 (ghs_pragma_endsda): Likewise.
10749 (ghs_pragma_endzda): Likewise.
10751 2005-07-19 Danny Berlin <dberlin@dberlin.org>
10752 Kenneth Zadeck <zadeck@naturalbridge.com>
10754 * Makefile.in: Removed tree-promote-statics.c
10755 * tree-promote-statics.c: Removed.
10756 * common.opt: Removed flag-promote-statics.
10758 * passes.c: Removed tree-promote-statics pass.
10759 * tree-pass.h: Ditto.
10760 * timevar.def: Removed TV_PROMOTE_STATICS.
10763 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
10765 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10767 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10769 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10772 * c-common.c (check_function_arguments): Call
10773 'check_function_format' if either -Wformat or
10774 -Wmissing-format-attribute are specified.
10775 * c-format.c (check_function_format): Check -Wformat before
10776 calling 'check_format_info'.
10777 * c-opts.c (c_common_post_options): Don't warn for
10778 -Wmissing-format-attribute without -Wformat.
10779 * c-typeck.c (convert_for_assignment): Detect additional cases for
10780 -Wmissing-format-attribute.
10781 * doc/invoke.texi (-Wmissing-format-attribute): Document new
10784 2005-07-19 Richard Guenther <rguenther@suse.de>
10786 * config/i386/i386.md (lrint<mode>2): Use temporary
10787 instead of clobbering non-existent memory.
10789 2005-07-19 Nick Clifton <nickc@redhat.com>
10791 * config/avr/avr.c (legitimate_address_p): Fix debugging print
10792 statement to avoid displaying ASCII control characters.
10794 2005-07-19 Ben Elliston <bje@au.ibm.com>
10796 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10797 * cfganal.c (find_edge_index): Ditto.
10798 * combine.c (combine_instructions): Ditto.
10799 * ddg.c (create_scc): Ditto.
10800 (find_successors): Ditto.
10801 (find_predecessors): Ditto.
10802 (find_nodes_on_paths): Ditto.
10803 (longest_simple_path): Ditto.
10804 * flow.c (update_life_info): Ditto.
10805 (count_or_remove_death_notes): Ditto.
10806 (clear_log_links): Ditto.
10807 * modulo-sched.c (generate_reg_moves): Ditto.
10808 (find_max_asap): Ditto.
10809 (find_max_hv_min_mob): Ditto.
10810 (find_max_dv_min_mob): Ditto.
10811 * sbitmap.c (sbitmap_first_set_bit): Ditto.
10812 * sched-rgn.c (extract_edgelst): Ditto.
10813 * tree-into-ssa.c (prepare_names_to_update): Ditto.
10814 (dump_update_ssa): Ditto.
10815 (ssa_names_to_replace) Ditto.
10816 (switch_virtuals_to_full_rewrite): Ditto.
10817 (update_ssa): Ditto.
10818 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10820 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
10822 Fix PR tree-optimization/22483
10824 * tree-complex.c (create_components): Use
10825 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10826 * tree-flow-inline.h (fill_referenced_var_vec): New function.
10827 * tree-flow.h (safe_referenced_var_iterator): New structure.
10828 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10829 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10830 safe_referenced_var iterator.
10831 (add_type_alias): Ditto.
10833 2005-07-19 Steven Bosscher <stevenb@suse.de>
10835 * loop-init.c (rest_of_handle_loop2): Remove.
10836 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10837 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10838 (pass_rtl_loop_init, pass_rtl_loop_done,
10839 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10840 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10841 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10842 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10843 pass_tree_loop_done, and pass_tree_unswitch.
10844 (gate_loop): Rename to gate_tree_loop.
10845 * passes.c (init_optimization_passes): Update for renamed tree
10846 loop passes. Add the new loop2 passes as subpasses of loop2.
10847 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10848 Update for the renamed tree loop passes.
10850 2005-07-18 Ian Lance Taylor <ian@airs.com>
10852 PR middle-end/22057
10853 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10854 blocks when optimizing.
10856 2005-07-18 Steve Ellcey <sje@cup.hp.com>
10858 * common.opt (frename-registers): Initialize to 2.
10860 (fgcse-after-reload): Ditto.
10861 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10862 (process_options): Only change flag_web, flag_rename_registers,
10863 and flag_rerun_cse_after_loop if not explicitly set by user.
10865 2005-07-18 Jan Beulich <jbeulich@novell.com>
10867 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10868 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10869 in 64-bit mode the same as DImode in 32-bit mode.
10870 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10871 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10872 mode. Add new mode parameter.
10873 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10874 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10875 x86_64_shift_adj): New expanders.
10876 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10877 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10879 Respective new splitters. Use renamed shift splitter helpers in 32-bit
10880 DImode shift splitters.
10881 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10882 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10885 2005-07-18 Jan Beulich <jbeulich@novell.com>
10887 * i386.md (movdi_extzv_1): New.
10888 (zero_extendhidi2): Combine alternatives and never force use of
10890 (zero_extendqidi2): Likewise. Don't restrict input selection.
10892 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10894 Fix PR tree-optimization/22531
10895 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
10898 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10900 * tree-promote-statics.c (pass_promote_statics): Change dump file
10903 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10905 * tree-optimize.c (init_tree_optimization_passes): Add
10906 pass_eliminate_useless_stores pass.
10907 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10908 * tree-ssa-pre.c (is_copy_stmt): New function.
10909 (follow_copies_till_vuse): Ditto.
10910 (do_eustores): Ditto.
10911 (gate_eustores): Ditto.
10913 2005-07-16 Richard Henderson <rth@redhat.com>
10915 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10917 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10918 Kenneth Zadeck <zadeck@naturalbridge.com>
10920 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10921 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10922 ipa-type-escape.h, tree-promote-statics.c
10923 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10924 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10925 tree-promote-statics.c: new files.
10926 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10927 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10928 int nonlocal_set_p, mark_constant_function): Deleted.
10929 (rest_of_handle_cfg): Removed call to mark_constant_function.
10930 (nonoverlapping_component_refs_p): Added calls to support
10931 type based aliasing.
10932 * tree-ssa-alias.c (may_alias_p,
10933 compute_flow_insensitive_aliasing): Ditto.
10934 * calls.c (flags_from_decl_or_type): Removed reference to
10936 * c-typeck.c (convert_arguments): Make builtins tolerant of having
10937 too many arguments. This is necessary for Spec 2000.
10938 * cgraph.h (const_function, pure_function): Removed.
10939 * common.opt: Added "fipa-pure-const", "fipa-reference",
10940 "fipa-type-escape", and "ftree-promote-static".
10942 * passes.c: Added ipa and tree-promote-statics passes.
10943 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10944 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10945 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10946 * tree-flow.h: Added exposed sra calls and addition of
10947 reference_vars_info field for FUNCTION_DECLS.
10948 * tree-pass.h: Added passes.
10949 * tree-sra.c: (sra_init_cache): New function.
10950 (sra_insert_before, sra_insert_after) Made public.
10951 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10953 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10954 aliasing. (may_alias_p): Added code to use type escape analysis to
10955 improve alias sets.
10956 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10957 code to prune clobbers of static variables based on information
10958 produced in ipa-reference pass. Changed call clobbering so that
10959 statics are not marked as clobbered if the call does not clobber
10962 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
10964 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10967 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10969 * doc/install.texi (*-*-solaris2*): Document recommended version
10970 of GNU binutils and mention GNU linker problem on Solaris 10.
10972 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
10975 * c-decl.c (c_build_bitfield_integer_type): New function.
10976 (finish_struct): Call it.
10977 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10979 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10981 * c-typeck.c (digest_init): Call 'convert_for_assignment'
10984 2005-07-16 Jan Hubicka <jh@suse.cz>
10986 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10987 (scale_bbs_frequencies_int): Watch roundoff errors.
10988 * predict.c (return_prediction): Initialize return_stmt.
10990 2005-07-16 Jan Hubicka <jh@suse.cz>
10992 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10993 after RTL profiling.
10995 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
10997 PR middle-end/22398
10998 * fold-const.c (build_range_check): Convert high/low to etype
10999 if we are only comparing against exp.
11001 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
11003 Fix PR tree-optimization/22376
11004 * tree-ssa-structalias.c (build_constraint_graph): We really meant
11006 (need_to_solve): New function.
11007 (compute_points_to_sets): Use it.
11009 2005-07-15 Jan Hubicka <jh@suse.cz>
11011 * cfg.c (update_bb_profile_for_threading): More diagnostic.
11012 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
11014 2005-07-15 Richard Guenther <rguenther@suse.de>
11016 * c-common.c (handle_flatten_attribute): New function.
11017 Add flatten function attribute.
11018 * doc/extend.texi: Document flatten function attribute.
11019 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
11020 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
11022 (cgraph_decide_inlining): Handle functions with flatten
11025 2005-07-14 David Edelsohn <edelsohn@gnu.org>
11027 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
11028 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
11029 UNSPEC_XCHG, UNSPEC_AND): New.
11030 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
11031 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
11032 * config/rs6000/sync.md (FETCHOP): New code macro.
11033 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
11035 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
11036 (sync_compare_and_swap<mode>): Same.
11037 (sync_lock_test_and_set<mode>): Same.
11038 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
11039 for QImode and HImode, and not PPC405.
11040 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
11041 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
11042 (sync_<fetchop>{si,di}_internal): New.
11043 (sync_nand{si,di}_internal): New.
11044 (sync_old_<fetchop>{si,di}_internal): New.
11045 (sync_old_nand{si,di}_internal): New
11046 (sync_new_<fetchop>{si,di}_internal): New.
11047 (sync_new_nand{si,di}_internal): New.
11048 (atomic_and{si,di}): New.
11049 (sync_new_nand{si,di}_internal): New.
11050 (atomic_and{si,di}): New.
11051 (sync_add<mode>_internal): Delete.
11052 (sync_addshort_internal): Use unspec instead of unspec_volatile.
11053 (sync_sub<mode>_internal): Delte.
11054 (sync_subshort_internal): New.
11055 (sync_andsi_internal): Use unspec instead of unspec_volatile.
11056 (sync_anddi_internal): Delete.
11057 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
11058 (sync_booldi_internal): Delete.
11059 (sync_boolc<mode>_internal): Delete.
11060 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
11061 (sync_boolc<mode>_internal2): Delete.
11062 (sync_boolcc<mode>_internal): Delete.
11063 (isync, lwsync): Use unspec instead of unspec_volatile.
11064 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
11065 Revert UNSPEC_VOLATILE.
11066 (rs6000_split_atomic_op): New.
11067 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
11069 2005-07-14 Eric Christopher <echristo@redhat.com>
11071 * config/mips/mips.c (mips_canonicalize_comparison): Cast
11072 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
11074 2005-07-14 Eric Christopher <echristo@redhat.com>
11076 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
11078 2005-07-14 Steven Bosscher <stevenb@suse.de>
11080 PR tree-optimization/22230
11081 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
11082 the computation of the four cross productions for "range op range".
11084 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
11085 Ulrich Weigand <uweigand@de.ibm.com>
11088 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
11091 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
11093 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
11095 2005-07-14 Steve Ellcey <sje@cup.hp.com>
11097 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
11099 2005-07-14 Richard Guenther <rguenther@suse.de>
11101 PR middle-end/22347
11102 * config/i386/i386-protos.h (ix86_function_value): Change
11103 prototype to match new target hook.
11104 * config/i386/i386.c (ix86_value_regno): Change prototype
11105 to take extra type argument.
11106 (TARGET_FUNCTION_VALUE): Define.
11107 (ix86_function_ok_for_sibcall): Pass extra argument to
11108 ix86_value_regno, check return slot rtx for exact match.
11109 (ix86_function_value): Take extra parameter. Dispatch to
11110 ix86_value_regno with fndecl/fntype as provided.
11111 (ix86_value_regno): Handle extra type argument.
11112 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
11114 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
11115 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
11116 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
11117 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
11118 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
11120 2005-07-14 Richard Guenther <rguenther@suse.de>
11122 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
11123 * calls.c (expand_call): Pass fntype to hard_function_value.
11124 (emit_library_call_value_1): Likewise.
11125 * explow.c: Include target.h.
11126 (hard_function_value): Take extra argument, the fntype.
11127 Use new target hook for function_value.
11128 * expr.h (hard_function_value): Change prototype.
11129 * function.c (aggregate_value_p): Pass 0 as fntype to
11130 hard_function_value.
11131 (assign_parms): Use new target hook for function_value.
11132 Pass 0 as fntype to hard_function_value.
11133 (expand_function_end): Likewise.
11134 * reg-stack.c: Include target.h.
11135 (stack_result): Use new target hook for function_value.
11136 * target-def.h: New target hook function_value.
11137 * target.h: Likewise.
11138 * targhooks.c (default_function_value): New function.
11139 * targhooks.h (default_function_value): Declare.
11141 2005-07-13 Ian Lance Taylor <ian@airs.com>
11143 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
11145 2005-07-14 Jan Hubicka <jh@suse.cz>
11147 * tree-dfa.c (dump_variable): Use default_def function.
11148 * tree-ssa-alias.c (dump_points_to_info): Likewise.
11149 * tree-ssa.c (verify_use): Likewise.
11150 * tree-ssanames.c (release_ssa_name): Likewise.
11151 * tree-tailcall.c (eliminate_tail_call): Likewise.
11152 (tree_optimize_tail_calls_1): Likewise.
11153 * tree-vrp.c (get_value_range): Likewise.
11155 2005-07-14 Ben Elliston <bje@au.ibm.com>
11157 * gcc.c (main): Compare language[0] with '*' when iterating over
11160 2005-07-13 Adrian Straetling <straetling@de.ibm.com>
11162 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
11163 "s390_emit_compare". Add handling of CCZ1mode.
11164 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
11165 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
11167 (s390_branch_condition_mask): Add CCZ1mode handling.
11168 * config/s390/s390.md: ("seq", "*seq"): New pattern.
11169 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
11170 Use CCZ1mode instead of CCZmode.
11171 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
11173 2005-07-13 Adrian Straetling <straetling@de.ibm.com>
11175 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
11177 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
11179 2005-07-13 Eric Christopher <echristo@redhat.com>
11181 * config/mips/mips.c (mips_canonicalize_comparison): New.
11182 (mips_emit_int_relational): Use.
11184 2005-07-13 Eric Christopher <echristo@redhat.com>
11186 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11187 static extra parts.
11188 * config/s390/s390.md: Include tpf.md. Move tpf specific
11190 * config/s390/tpf.md: To here.
11191 * config/s390/s390.opt: Move tpf specific options...
11192 * config/s390/tpf.opt: to here. Add mmain option.
11193 * config/s390/tpf-unwind.h: Remove unnecessary defines.
11194 * config/s390/tpf.h: Rewrite.
11196 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
11198 * doc/tm.texi: Remove @xref{Cross-profiling}.
11200 2005-07-13 Jeff Law <law@redhat.com>
11202 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
11203 expressions, test their _DECL operands for pointer equality rather
11204 than using operand_equal_p.
11206 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
11208 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
11209 (TARGET_POSIX_IO): This.
11210 * config/darwin.h: Likewise.
11211 * config/freebsd.h: Likewise.
11212 * config/linux.h: Likewise.
11213 * config/lynx.h: Likewise.
11214 * config/netbsd.h: Likewise.
11215 * config/rs6000/linux64.h: Likewise.
11216 * config/rs6000/linux.h: Likewise.
11217 * config/s390/tpf.h: Likewise.
11218 * config/sh/embed-elf.h: Likewise.
11219 * config/sparc/linux64.h: Likewise.
11220 * config/sparc/linux.h: Likewise.
11221 * config/svr4.h: Likewise.
11222 * gcov-io.h: Likewise.
11224 * doc/tm.texi: Updated.
11226 * libgcov.c (create_file_directory): Defined only if
11227 TARGET_POSIX_IO is defined.
11228 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
11231 2005-07-13 Jan Hubicka <jh@suse.cz>
11233 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
11235 2005-07-13 David Edelsohn <edelsohn@gnu.org>
11237 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
11238 structure as argument.
11240 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
11242 PR tree-optimization/21921
11243 * tree-iterator.c (tsi_link_before): Support the case when
11244 tsi_end_p (tsi) == true.
11246 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11248 PR tree-optimization/22442
11249 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
11252 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11254 PR rtl-optimization/20376
11255 * toplev.c (process_options): Enable -fweb and -frename-registers when
11257 * doc/invoke.texi: Update the information about when -fweb and
11258 -frename-registers are enabled.
11260 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11263 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
11264 if *rhs_p is not a SSA_NAME.
11266 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
11268 Fix PR tree-optimization/22422
11269 * tree-ssa-structalias.c (struct variable_info): Add flag for
11271 (get_varinfo): Now a static function.
11272 (new_varinfo): init has_union and is_special_var to false.
11273 (solution_set_add): Check has_union.
11274 (do_da_constraint): Move temporary variable so it gets reset
11276 Also check for special variable.
11277 (do_ds_constraint): Ditto.
11278 (do_sd_constraint): Ditto.
11279 (do_structure_copy): Check for special variable.
11280 (find_func_aliases): Ditto.
11281 (init_base_vars): Set special vars properly.
11283 2005-07-13 Jan Hubicka <jh@suse.cz>
11285 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
11288 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
11289 (get_expr_operands): Fix thinko wrt flags and subvars.
11291 PR tree-optimize/22379
11292 * tree-inline.c (expand_call_inline): Do not output sorry in early
11295 2005-07-12 Dale Johannesen <dalej@apple.com>
11297 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
11299 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11302 * host-linux.h: Include limits.h.
11304 2005-07-12 Dale Johannesen <dalej@apple.com>
11306 * expr.c (compress_float_constant): Add cost check.
11307 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
11309 2005-07-12 Dale Johannesen <dalej@apple.com>
11311 * gcc.target/i386/compress-float-sse.c: New.
11312 * gcc.target/i386/compress-float-sse-pic.c: New.
11313 * gcc.target/i386/compress-float-387.c: New.
11314 * gcc.target/i386/compress-float-387-pic.c: New.
11315 * gcc.dg/compress-float-ppc.c: New.
11316 * gcc.dg/compress-float-ppc-pic.c: New.
11318 2005-07-12 Eric Christopher <echristo@redhat.com>
11320 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11321 static extra parts.
11322 * config/s390/s390.md: Include tpf.md. Move tpf specific
11324 * config/s390/tpf.md: To here.
11325 * config/s390/s390.opt: Move tpf specific options...
11326 * config/s390/tpf.opt: to here. Add mmain option.
11327 * config/s390/tpf-unwind.h: Remove unnecessary defines.
11328 * config/s390/tpf.h: Rewrite.
11330 2005-07-12 Eric Christopher <echristo@redhat.com>
11332 * gcc.c (struct infile): Update comment for language.
11333 (main): Rewrite input file resetting code.
11335 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11338 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
11339 requiring a cast in a non RHS of modify_expr. Add a cast when required.
11340 (lookup_avail_expr): Use constant_boolean_node instead
11341 of boolean_false_node/boolean_true_node.
11343 2005-07-12 Ben Elliston <bje@au.ibm.com>
11345 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
11346 and use it when printing num_edges.
11348 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
11350 * doc/extend.texi (Blackfin Built-in Functions): New section.
11351 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
11354 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
11356 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
11357 s/cmpstrsi/cmpstrnsi
11358 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
11360 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
11361 (init_optabs): Initialize cmpstrn_optab.
11362 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
11363 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
11364 * expr.c: (enum insn_code cmpstrn_optab): Declare.
11365 * config/i386/i386.md: s/cmpstr/cmpstrn
11366 * config/c4x/c4x.md: s/cmpstr/cmpstrn
11367 * doc/md.texi: Update documentation.
11369 2005-07-11 Richard Henderson <rth@redhat.com>
11371 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
11372 build_va_arg_indirect_ref.
11373 (alpha_gimplify_va_arg): Likewise.
11374 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
11375 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11376 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
11377 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
11378 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11379 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
11381 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11383 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11385 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
11386 * passes.c (init_optimization_passes): Add pass_empty_loop.
11387 * tree-pass.h (pass_empty_loop): Declare.
11388 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
11389 try_remove_empty_loop, remove_empty_loops): New functions.
11390 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
11391 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
11393 2005-07-12 Peter Barada <peter@the-baradas.com>
11395 PR middle-end/16719
11396 PR middle-end/18421
11397 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
11398 in address registers.
11399 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
11400 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
11401 alternative of addsi3_5200.
11403 2005-07-11 Ian Lance Taylor <ian@airs.com>
11405 * config/mips/mips.md (ffs<mode>2): Remove.
11407 2005-07-11 Ian Lance Taylor <ian@airs.com>
11409 * doc/tree-ssa.texi (Cleanups): Improve description of
11411 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
11413 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
11415 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
11416 * tree.h (DECL_ARGUMENT_FLD): New macro.
11418 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
11420 Fix PR tree-optimization/22404
11422 * tree-ssa-structalias.c (create_variable_info_for): Use
11425 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
11427 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
11428 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
11429 for second comparison operand.
11430 * config/bfin/predicates.md (reg_or_const_int_operand): New.
11432 * config/bfin/bfin.md (define_attr "type"): Add "sync".
11433 (define_insn_reservation "alu"): Likewise.
11434 (csync, ssync): Now of type sync.
11435 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
11436 -mcsync-anomaly -mspecld-anomaly.
11437 * config/bfin/bfin.opt (mcsync): Remove.
11438 (mcsync-anomaly, mspecld-anomaly): Add.
11439 * config/bfin/bfin.c: Include "insn-codes.h".
11440 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
11441 (TARGET_DEFAULT_TARGET_FLAGS): New.
11442 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
11444 2005-07-11 Steven Bosscher <stevenb@suse.de>
11446 * basic-block.h: Give the BB flags enum a name, bb_flags.
11447 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
11448 * cfgcleanup.c (enum bb_flags): Remove here.
11449 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
11450 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
11451 (update_forwarder_flag): Likewise.
11452 (thread_jump): Likewise.
11453 (try_forward_edges): Likewise.
11454 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
11455 forwarder flags. Don't clear bb->aux for all basic blocks. Only
11456 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
11458 2005-07-11 Richard Guenther <rguenther@suse.de>
11460 * config/i386/i386.opt: New target option -msseregparm.
11461 * config/i386/i386.c (override_options): Error out for
11462 -msseregparm but no SSE support.
11463 (ix86_function_sseregparm): Check for global sseregparm.
11464 * doc/invoke.texi: Document -msseregparm.
11466 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11468 * config.gcc (m32r-*-linux*): Use the default extra_parts.
11469 (m32rle-*-linux*): Ditto.
11471 2005-07-11 Jakub Jelinek <jakub@redhat.com>
11473 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
11474 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
11477 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11479 PR middle-end/22239
11481 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
11482 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
11484 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
11486 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
11487 (varmap): Heapify varmap.
11488 (constraints): Heapify constraints.
11489 (struct constraint_graph): Heapify succs and preds.
11490 (constraint_vec_find): Update for heapification.
11491 (constraint_set_union): Ditto.
11492 (insert_into_complex): Ditto.
11493 (constraint_edge_vec_find): Ditto.
11494 (erase_graph_self_edge): Ditto.
11495 (add_graph_edge): Ditto.
11496 (get_graph_weights): Ditto.
11497 (merge_graph_nodes): Ditto.
11498 (build_constraint_graph): Ditto.
11499 (topo_visit): Ditto.
11500 (solve_graph): Ditto.
11501 (create_variable_info_for): Ditto.
11502 (init_base_vars): Ditto.
11503 (delete_points_to_sets): Free graph, varmap, and complex constraints.
11504 (condese_varmap_nodes): Free complex vector.
11505 (clear_edges_for_node): Clear succs and preds vector.
11507 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
11509 * tree-ssa-structalias.c (update_alias_info): Change counting of
11510 references to not include vdefs.
11512 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
11514 * tree-ssa-alias.c (free_used_part_map): Add missing free.
11515 (up_insert): Ditto.
11517 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11519 * pa.c (pa_commutative_p): Make PLUS commutative when
11520 TARGET_NO_SPACE_REGS is true.
11522 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11524 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
11525 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
11526 * tree-dfa.c (dump_subvars_for): New.
11527 (debug_subvars_for): New.
11528 (dump_variable): Show subvariables if VAR has them.
11529 * tree-flow-inline.h (get_subvar_at): New.
11530 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
11531 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
11533 (struct subvar): Change fields offset and size to unsigned
11535 (dump_subvars_for): Declare.
11536 (debug_subvars_for): Declare.
11537 (get_subvar_at): Declare.
11538 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11539 to unsigned HOST_WIDE_INT *.
11540 (overlap_subvar): Likewise.
11541 * tree-gimple.c (is_gimple_reg): Always return false for
11542 SFTs and memory tags.
11543 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11544 Update all callers.
11545 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11546 (compute_may_aliases): Call compute_points_to_sets.
11547 (collect_points_to_info_for): Remove.
11548 (compute_points_to_and_addr_escape): Remove.
11549 (delete_alias_info): Call delete_points_to_sets.
11550 (compute_flow_sensitive_aliasing): If the call to
11551 find_what_p_points_to returns false, call set_pt_anything.
11552 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11553 (set_pt_anything): Clear pi->pt_vars.
11554 (set_pt_malloc): Remove.
11555 (merge_pointed_to_info): Remove.
11556 (add_pointed_to_expr): Remove.
11557 (add_pointed_to_var): Remove.
11558 (collect_points_to_info_r): Remove.
11559 (is_escape_site): Make extern.
11561 (create_overlap_variables_for): Call it.
11562 * tree-ssa-copy.c (merge_alias_info): Never merge
11563 flow-sensitive alias information.
11564 * tree-ssa-operands.c (get_expr_operands): Adjust variables
11565 offset and size to be unsigned HOST_WIDE_INT.
11566 (add_to_addressable_set): Rename from note_addressable.
11567 Set TREE_ADDRESSABLE as the variables are added to the set.
11569 (add_stmt_operand): Do not try to micro-optimize unmodifiable
11570 operands into VUSEs when adding V_MAY_DEFs for members in an
11572 * tree-ssa-operands.h (add_to_addressable_set): Declare.
11573 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11574 (struct variable_info): Add bitfield is_heap_var.
11575 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11576 (new_var_info): Initialize is_heap_var.
11577 (get_constraint_for): Add HEAP variables to the symbol table.
11578 Mark them with is_heap_var.
11579 (update_alias_info): New. Taken mostly from the old
11580 compute_points_to_and_addr_escape.
11581 (handle_ptr_arith): New.
11582 (find_func_aliases): Call update_alias_info.
11583 Call handle_ptr_info for tcc_binary expressions.
11584 Call mark_stmt_modified.
11585 (create_variable_info_for): If DECL has subvars, do not create
11586 variables for its subvars. Always add all the fields.
11587 (set_uids_in_ptset): If the solution includes ANYOFFSET and
11588 SFTs, then add all the SFTs of the structure.
11589 If VI->DECL is an aggregate with subvariables, add the SFT at
11591 (find_what_p_points_to): If VI is an artificial variable,
11592 translate to bitfields in SSA_NAME_PTR_INFO.
11593 If the solution is empty, set pi->pt_vars to NULL
11594 (init_base_vars): Create ANYOFFSET.
11595 (compute_points_to_sets): Rename from create_alias_vars.
11597 (pass_build_pta): Remove.
11598 (delete_points_to_sets): Rename from delete_alias_vars.
11599 (pass_del_pta): Remove.
11600 * tree-ssa-structalias.h (struct alias_info): Move from
11602 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11603 NUM_REFERENCES_SET): Likewise.
11604 (compute_points_to_sets, delete_points_to_sets): Declare.
11606 2005-07-09 Richard Henderson <rth@redhat.com>
11608 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11609 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11610 alpha_split_lock_test_and_set_12): New functions.
11611 * config/alpha/alpha-protos.h: Update.
11612 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11613 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11614 * config/alpha/sync.md (I12MODE): New.
11615 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11616 (sync_<fetchop_name><I48MODE>): Likewise.
11617 (sync_nand<I48MODE>): Likewise.
11618 (sync_old_<fetchop_name><I48MODE>): Likewise.
11619 (sync_new_<fetchop_name><I48MODE>): Likewise.
11620 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11621 (sync_compare_and_swap<I48MODE>): Likewise.
11622 (sync_lock_test_and_set<I48MODE>): Likewise.
11623 (sync_compare_and_swap<I12MODE>): New.
11624 (sync_compare_and_swap<I12MODE>_1): New.
11625 (sync_lock_test_and_set<I12MODE>): New.
11626 (sync_lock_test_and_set<I12MODE>_1): New.
11628 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11632 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11634 2005-07-09 Jakub Jelinek <jakub@redhat.com>
11636 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11637 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11639 2005-07-09 Richard SAndiford <richard@codesourcery.com>
11642 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11644 2005-07-08 David Edelsohn <edelsohn@gnu.org>
11646 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11647 memory_operand constraint.
11648 (store_conditional_<mode>): Same.
11649 (sync_compare_and_swap<mode>): Same.
11650 (sync_lock_test_and_set<mode>): Same.
11652 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
11654 Rewrite PIC support to more closely model actual instructions.
11655 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11656 (cris_symbol): Remove prototypes for removed functions.
11657 (cris_pic_symbol_type_of, cris_valid_pic_const)
11658 (cris_expand_pic_call_address): Prototypes for new functions.
11659 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11661 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11663 <case ':'>: Add case for new punctuation character.
11664 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11665 emitting (extra) PIC modifier.
11666 <case UNSPEC>: Do not assert for PLT.
11667 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11668 (cris_expand_prologue, cris_expand_epilogue): Check
11669 for pic_offset_table_rtx usage instead of taking
11670 current_function_uses_pic_offset_table as the final word.
11671 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11672 Remove flag_pic difference.
11673 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11674 the moral equivalents of...
11675 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11677 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11678 (cris_handle_option): Mark ARG as unused.
11679 (cris_expand_pic_call_address): New worker function for "call",
11681 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11682 output PIC constructs here.
11683 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11684 as symbol-specific modifers, not whole or part of operands.
11685 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11686 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11687 constants and flag_pic.
11688 (CONSTANT_INDEX_P): Adjust for new functions.
11689 (enum cris_pic_symbol_type): New helper type.
11690 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11691 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11692 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11694 ("movsi"): Emit actual instructions for GOT and relative access.
11695 ("*movsi_got_load"): New pattern to set up the register holding
11697 ("*movsi_internal"): Operand 1 is not a plain general_operand.
11698 Adjust FIXME for 'S'.
11699 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11700 Use "movs" for -fpic cases.
11701 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11702 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11703 ("call", "call_value"): Just call cris_expand_pic_call_address for
11705 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11706 Remove special pattern.
11707 ("*expanded_call_side", "*expanded_call_value_side"): New
11709 (gotplt-to-plt, gotplt-to-plt-side-call)
11710 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11712 * config/cris/cris/predicates.md
11713 ("cris_general_operand_or_gotless_symbol"): Remove unused
11715 ("cris_general_operand_or_symbol"): Adjust for new functions.
11717 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11719 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11721 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
11723 * Makefile.in (TREE_H): Add treestruct.def.
11724 (c-decl.o): Add pointer-set.h
11725 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11726 visibility on regular DECL's.
11727 (merge_decls): Fix the copying of decl nodes of various types for
11728 the new structures. Don't update RTL, section name, weak status,
11729 etc, on DECL's without RTL.
11730 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11731 Don't check volatile on non-variable types.
11732 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11733 to check whether we have seen arguments.
11734 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11735 flag is checked before field (flag is common, field is not).
11736 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
11737 TS_DECL_COMMON could have an origin.
11738 (add_location_or_const_value_attribute): Don't check section name
11739 on non-var/function decls.
11740 (dwarf2out_var_location): Reverse order of tests.
11741 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11742 with DECL_WRTL_CHECK.
11743 * expmed.c (make_tree): rtl is now in decl_with_rtl.
11744 * fold-const.c (fold_binary): Don't check weakness on
11745 non-var/function decls.
11746 (tree_expr_nonzero_p): Ditto.
11747 (fold_checksum_tree): Use tree_decl_extra as sizeof
11749 * ggc-page.c (extra_order_size_table): Add sizes for
11750 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
11752 * gimplify.c (gimplify_bind_expr): Only set
11753 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11754 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11756 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11757 * langhooks.h (init_ts). New langhook.
11758 * passes.c (rest_of_decl_compilation): Reverse order of tests.
11759 * print-tree.c (print_node): Update to only print fields that
11760 exist in the structures the passed decl has.
11761 * toplev.c (wrapup_global_declarations): Don't reset
11762 DECL_DEFER_OUTPUT on DECL's that don't contain it.
11763 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11764 * tree-inline.c (remap_decl): Ditto.
11765 * tree-outof-ssa.c (create_temp): Reverse order of tests.
11766 * tree-pretty-print.c (print_declaration): Don't print
11767 DECL_REGISTER on things that don't contain it.
11768 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11769 non-var/function decls.
11770 * tree.c (tree_contains_struct): New structure.
11771 (init_priority_for_decl): New hashtable.
11772 (tree_int_map): New structure.
11773 (tree_int_map_eq): New function.
11774 (tree_int_map_marked_p): Ditto.
11775 (tree_int_map_hash): Ditto.
11776 (tree_map): Move to tree.h.
11777 (tree_map_eq): Externalize.
11778 (tree_map_hash): Ditto.
11779 (tree_map_marked_p): Ditto.
11780 (init_ttree): Set up tree_contains_struct and call langhook.
11781 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11782 (tree_code_size): Update for new structures.
11783 (tree_node_structure): Update for new structures.
11784 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11786 (copy_node_stat): Copy init priority.
11787 (build_decl_stat): Ditto for visibility.
11788 (ts_enum_names): New.
11789 (tree_contains_struct_check_failed): New function.
11790 (decl_init_priority_lookup): Ditto.
11791 (decl_init_priority_insert): Ditto.
11792 * treestruct.def: New file.
11793 * tree.h (CODE_CONTAINS_STRUCT): New macro.
11794 (CONTAINS_STRUCT_CHECK): Ditto.
11795 (tree_contains_struct_check_failed): New prototype.
11796 (DECL_CHECK): Removed.
11797 (DECL_MINIMAL_CHECK): New.
11798 (DECL_COMMON_CHECK): Ditto.
11799 (DECL_WRTL_CHECK): Ditto.
11800 (DECL_NON_COMMON_CHECK): Ditto.
11801 (DECL_WITH_VIS_CHECK): Ditto.
11802 (VAR_OR_FUNCTION_DECL_P): Ditto
11803 (struct tree_decl_minimal): New structure.
11804 (struct tree_decl_common): Ditto.
11805 (struct tree_decl_with_rtl): Ditto.
11806 (struct tree_decl_with_vis): Ditto.
11807 (struct tree_decl_non_common): Ditto.
11808 (struct tree_field_decl): Ditto.
11809 (struct tree_parm_decl): Ditto.
11810 (struct tree_var_decl): Ditto.
11811 (struct tree_function_decl): Ditto.
11812 (struct tree_const_decl): Ditto.
11813 (struct tree_result_decl): Ditto.
11814 (union tree_node): Add new structures.
11815 * var-tracking.c (track_expr_p): Reverse order of tests.
11817 * doc/c-tree.texi: Add documentation on DECL node internal structure.
11819 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11821 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11822 * system.h: Poison FINALIZE_PIC.
11823 * doc/tm.texi (FINALIZE_PIC): Remove.
11825 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11828 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11829 to the correct type if we have a MODIFY_EXPR.
11831 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11833 PR tree-optimization/22360
11834 * tree.c (upper_bound_in_type): Fix calculations for casting
11835 to a non-wider signed type and casting a signed value to a
11836 wider unsigned type.
11837 (lower_bound_in_type): Fix calculations for casting to a
11838 non-wider signed type.
11840 PR tree-optimization/20139
11841 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11843 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11844 fold_cond_expr_cond.
11845 * tree-ssanames.c (release_defs): Assert in_ssa_p.
11846 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11848 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11851 * tree-complex.c (expand_complex_libcall): Produce
11852 REALPART_EXPR/IMAGPART_EXPR with the correct type.
11854 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
11856 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11857 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11858 b" assert and inserted fastpath code for this case.
11859 (bitmap_ior): Removed "a != b" assert.
11861 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11863 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11864 (ENDFILE_SPEC): Likewise.
11865 * config/m32r/m32r.h (ASM_SPEC): Likewise.
11867 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11868 a large stack frame at epilogue.
11870 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
11872 * final.c: Include sdbout.h when required.
11874 2005-07-07 Geoffrey Keating <geoffk@apple.com>
11876 * config.gcc (*-*-darwin*): Only one target-specific header file
11877 for generic darwin.
11878 (powerpc-*-darwin*): Add version-specific header files.
11879 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11880 * config.in: Regenerate.
11881 * configure: Regenerate.
11882 * gcc.c: Include xregex.h.
11883 (version_compare_spec_function): New.
11884 (spec_function): Add version-compare.
11885 (replace_outfile_spec_function): Reformat comment.
11886 (compare_version_strings): New.
11887 * config/darwin-c.c (version_as_macro): New.
11888 (builtin_define): New.
11889 (darwin_cpp_builtins): New.
11890 * config/darwin-protos.h (darwin_cpp_builtins): New.
11891 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11892 (LIB_SPEC): Make unconditional, update comment.
11893 (TARGET_C99_FUNCTIONS): Define.
11894 * config/darwin.opt: Sort.
11895 (mmacosx-version-min=): New.
11896 * config/darwin7.h: Delete.
11897 * config/darwin8.h: Delete.
11898 * config/i386/darwin.h (): Call darwin_cpp_builtins.
11899 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11900 (TARGET_C99_FUNCTIONS): Define.
11901 * config/rs6000/darwin7.h: New.
11902 * config/rs6000/darwin8.h: New.
11903 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11904 (-mmacosx-version-min): Document.
11906 2005-07-07 Ian Lance Taylor <ian@airs.com>
11908 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11910 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
11912 PR middle-end/22239
11913 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11915 2005-07-07 Khem Raj <kraj@mvista.com>
11917 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11918 in bytes, not words.
11920 2005-07-07 Paul Brook <paul@codesourcery.com>
11922 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11923 DEFAULT_FUNCTION_ARG_PADDING to upward.
11925 2005-07-07 Richard Henderson <rth@redhat.com>
11927 * function.c (locate_and_pad_parm): Record parameter alignment in
11928 stack_alignment_needed.
11930 2005-07-07 David Edelsohn <edelsohn@gnu.org>
11932 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11933 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11934 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11935 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11936 (define_attr "type"): Add isync, sync, load_l, store_c.
11937 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11938 Create scratch volatile MEM.
11939 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
11941 (load_locked_<mode>): New.
11942 (store_conditional_<mode>): New.
11943 (sync_compare_and_swap<mode>): Replace with splitter.
11944 (sync_lock_test_and_set<mode>): Replace with splitter.
11945 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11947 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
11948 is ics. Attribute isync.
11949 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
11951 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11952 and UNSPECV_SYNC_OP.
11953 (emit_unlikely_jump): New.
11954 (emit_load_locked): New.
11955 (emit_store_conditional): New.
11956 (rs6000_split_compare_and_swap): New.
11957 (rs6000_split_lock_test_and_set): New.
11958 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11959 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11960 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11961 rs6000_split_lock_test_and_set): Declare.
11962 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11963 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11964 store_c, isync, sync.
11966 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
11968 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11969 filenames to gtyp-gen.h.
11970 (s-typ-gen): Use it in place of for loops.
11972 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
11974 * hooks.c (hook_bool_rtx_int_false): New function.
11975 * hooks.h (hook_bool_rtx_int_false): Declare.
11976 * target-def.h (TARGET_COMMUTATIVE_P): Define.
11977 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11978 * target.h (struct gcc_target): Add commutative_p member.
11979 * targhooks.c (hook_bool_rtx_commutative_p): New function.
11980 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11981 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11982 (pa_commutative_p): New function.
11983 * jump.c (target.h): Include.
11984 (rtx_renumbered_equal_p): Use targetm.commutative_p.
11985 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11987 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11989 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11990 (s390_expand_setmem): New.
11991 * config/s390/s390.c: Likewise.
11992 (print_shift_count_operand): Truncate to 12 bits instead of 6.
11994 * config/s390/s390.md: ("setmem<mode>"): Accept character as
11995 general_operand. Call new function "s390_expand_setmem".
11996 ("clrmem_long", "*clrmem_long"): Rewrite to ...
11997 ("setmem_long", "*setmem_long"): ... this.
11999 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
12001 * config/s390/s390.c: (optimization_options): Enable
12002 TARGET_MVCLE at -Os.
12003 * doc/invoke.texi: Document changes in default behaviour.
12004 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
12006 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
12008 * expr.c: (set_storage_via_setmem): Convert opchar to mode
12009 defined by back-end.
12011 2005-07-07 Jakub Jelinek <jakub@redhat.com>
12013 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
12014 all sets in the pattern.
12015 * config/rs6000/rs6000.md (stack_protect_testsi,
12016 stack_protect_testdi): Likewise.
12018 2005-07-06 Jeff Law <law@redhat.com>
12020 * tree-vrp.c (simplify_using_ranges): Kill.
12021 (vrp_finalize): Remove call to simplify_using_ranges.
12022 (simplify_stmt_using_ranges): New function extracted from
12023 simplify_using_ranges.
12024 (simplify_div_or_mod_using_ranges): Likewise.
12025 (simplify_abs_using_ranges): Likewise.
12026 (simplify_cond_using_ranges): New function.
12027 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
12028 * tree-ssa-propagate.c (substitute_and_fold): Call
12029 simplify_stmt_using_ranges if we have range information.
12031 2005-07-06 James E. Wilson <wilson@specifixinc.com>
12033 * config/ia64/ia64.c (ia64_reorg): Check optimize before
12034 ia64_flag_schedule_isns2.
12036 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
12037 reading/writing general registers.
12038 (ia64_function_arg): Revert 2005-06-18 change.
12040 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
12042 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
12043 (legitimize_tls_address): Use gcc_unreachable instead of abort.
12045 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
12047 * function.c (expand_function_end): Revert part of 2005-06-27
12048 patch. Do sjlj_emit_function_exit_after after return_label.
12050 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
12052 * doc/install.texi (--disable-libssp): New.
12054 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
12056 * doc/invoke.texi: Update -fforce-mem documentation.
12057 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
12058 code for -fforce-mem.
12059 * expmed.c: (store_bit_field,store_fixed_bit_field,
12060 extract_bit_field): Ditto.
12061 * expr.c: (convert_move): Ditto.
12062 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
12063 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
12064 emit_conditional_add,expand_float,expand_fix): Ditto.
12065 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
12066 (common_handle_option): Issue warning when -fforce-mem specified.
12068 2005-07-06 Paul Brook <paul@codesourcery.com>
12070 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
12072 * configure: Regenerate.
12074 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
12076 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
12078 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
12080 Fix PR tree-optimization/22319
12081 Fix PR tree-optimization/22140
12082 Fix PR tree-optimization/22310
12084 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
12085 variable sized types.
12086 Use correct type for intermediate structure on *a = *b structure
12089 2005-07-06 Jakub Jelinek <jakub@redhat.com>
12091 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
12093 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
12094 (machine_function): Move typedef to...
12095 * config/rs6000/rs6000.c (machine_function): ... here. Add
12096 varargs_save_offset field.
12097 (rs6000_stack_t): Remove varargs_size field.
12098 (setup_incoming_varargs): Allocate varargs save area using
12099 assign_stack_local, try to make it as small as possible.
12100 Save offset from virtual_stack_vars_rtx to the save area
12101 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
12102 instead of magic 8 when fp word byte size is used.
12103 (rs6000_va_start): Use cfun->machine->varargs_save_offset
12104 instead of -RS6000_VARARGS_SIZE.
12105 (rs6000_stack_info, debug_stack_info,
12106 rs6000_initial_elimination_offset): Remove all traces of
12108 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
12109 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
12110 RS6000_VARARGS_AREA.
12112 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
12114 PR tree-optimization/21963
12115 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
12116 constant_multiple_of in the same way get_computation_cost_at does.
12118 2005-07-06 Jakub Jelinek <jakub@redhat.com>
12120 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
12121 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
12122 (gen_compare_reg): If sparc_compare_emitted is set, clear it
12123 and return its previous value.
12124 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
12125 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
12127 (stack_protect_set, stack_protect_test): New expanders.
12128 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
12129 stack_protect_testdi): New insns.
12130 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12131 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
12133 2005-07-06 Jeff Law <law@redhat.com>
12135 * tree-ssa-dce.c (cfg_altered): New global.
12136 (tree_dce_init): Initialize cfg_altered.
12137 (remove_dead_stmt): If we remove an edge in the CFG, then set
12139 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
12142 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
12144 * Makefile.in (stamp-collect-ld): Use
12145 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
12146 ./collect-ld if it already exists.
12147 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
12148 Don't remove ./nm if it already exists.
12150 2005-07-05 Devang Patel <dpatel@apple.com>
12152 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
12153 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
12154 * tree-vectorizer.c (vect_loop_location): New.
12155 (vect_print_dump_info): Use vect_loop_location.
12156 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
12157 (vectorize_loops): Set vect_loop_location.
12158 * tree-vect-analyze.c (vect_analyze_offset_expr,
12159 vect_determin_vectorization_factor, vect_analyze_operations,
12160 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
12161 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
12162 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
12163 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
12164 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
12165 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
12166 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
12167 vect_analyze_loop): Adjust vect_print_dump_info API.
12168 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12169 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
12170 vect_finish_stmt_generation, vectorizable_assignment,
12171 vectorizable_operation, vectorizable_store, vectorizable_load,
12172 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
12173 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
12174 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
12175 vect_transform_loop): Same.
12176 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
12177 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
12180 2005-07-05 Randolph Chung <tausq@debian.org>
12182 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
12183 * configure: Regenerate.
12184 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
12185 (pa_tls_referenced_p): Declare.
12186 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
12187 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
12188 (legitimize_tls_address): New.
12189 (hppa_legitimize_address): Handle TLS addresses.
12190 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
12191 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
12192 (emit_move_sequence): Handle TLS addresses.
12193 (pa_encode_section_info): Call default handler to handle common
12195 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
12196 (CONSTANT_ADDRESS_P): Reject TLS operands.
12197 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
12198 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
12199 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
12200 (UNSPEC_TLSLE): Define new constants.
12201 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
12202 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
12203 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
12204 (tie_symbolic_operand, tle_symbolic_operand): New
12206 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
12208 * aclocal.m4: Update macros for autoconf 2.59 style.
12209 * configure.ac: Likewise.
12211 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12213 * pa.c (function_value): Handle small aggregates on 32-bit targets.
12214 (function_arg): Pass small aggregates in general registers on 32-bit
12216 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
12218 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
12220 * Makefile.in (final.o): Fix dependencies.
12222 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
12226 * langhooks.h (struct lang_hooks): Add expr_to_decl.
12227 * langhooks.c (lhd_expr_to_decl): New.
12228 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
12230 (LANG_HOOKS_INITIALIZER): Update.
12231 * tree.c (recompute_tree_invarant_for_addr_expr): Call
12232 expr_to_decl langhook.
12233 * c-tree.h (c_expr_to_decl): Declare.
12234 * c-typeck.c (c_expr_to_decl): New.
12235 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
12237 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
12239 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
12242 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
12243 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
12245 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
12247 * Makefile.in: Adjust dependencies.
12248 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
12249 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
12250 * alias.c (rest_of_handle_cfg, pass_cfg): New.
12251 * bb-reorder.c (duplicate_computed_gotos): Make it static.
12252 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
12253 rest_of_compilation.
12255 * bb-reorder.c (gate_duplicate_computed_gotos,
12256 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
12257 rest_of_handle_reorder_blocks, pass_reorder_blocks,
12258 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
12259 pass_partition_blocks): New.
12260 * bt-load.c (gate_handle_branch_target_load_optimize,
12261 rest_of_handle_branch_target_load_optimize,
12262 pass_branch_target_load_optimize): New.
12263 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
12265 * cfglayout.c (pass_insn_locators_initialize): New.
12266 * cfgrtl.c (pass_free_cfg): New.
12267 * combine.c (gate_handle_combine, rest_of_handle_combine,
12268 pass_combine): New.
12269 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
12270 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
12271 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
12272 * except.c (pass_set_nothrow_function_flags,
12273 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
12275 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
12276 rest_of_handle_shorten_branches, pass_shorten_branches,
12277 rest_of_clean_state, pass_clean_state): New.
12278 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
12279 rest_of_handle_remove_death_notes, pass_remove_death_notes,
12280 rest_of_handle_life, pass_life, rest_of_handle_flow2,
12282 * function.c (pass_instantiate_virtual_regs, pass_init_function,
12283 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
12284 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
12285 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
12287 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
12288 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
12289 pass_rtl_ifcvt, gate_handle_if_after_combine,
12290 rest_of_handle_if_after_combine, pass_if_after_combine,
12291 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
12292 pass_if_after_reload): New.
12293 * integrate.c (pass_initial_value_sets): New.
12294 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
12295 pass_purge_lineno_notes): New.
12296 * mode-switching.c (rest_of_handle_mode_switching,
12297 pass_mode_switching): New.
12298 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
12299 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
12301 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
12302 pass_loop_optimize): New.
12303 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
12305 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
12307 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
12308 pass_postreload_cse): New.
12309 * profile.c (gate_handle_profiling, pass_profiling,
12310 rest_of_handle_branch_prob, pass_branch_prob): New.
12311 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
12312 pass_split_before_regstack, gate_handle_split_before_regstack,
12313 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
12314 rest_of_handle_split_all_insns, pass_split_all_insns): New.
12315 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
12316 pass_stack_regs): New.
12317 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
12318 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
12319 pass_stack_adjustments): New.
12320 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
12321 pass_regrename): New.
12322 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
12323 pass_delay_slots, gate_handle_machine_reorg,
12324 rest_of_handle_machine_reorg, pass_machine_reorg): New.
12325 * rtl.h (extern void purge_line_number_notes): New.
12326 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
12327 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
12329 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
12331 * value-prof.c (gate_handle_value_profile_transformations,
12332 rest_of_handle_value_profile_transformations,
12333 pass_value_profile_transformations): New.
12334 * var-tracking.c (gate_handle_var_tracking,
12335 pass_variable_tracking): New.
12336 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
12338 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
12339 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
12340 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
12341 rest_of_handle_old_regalloc, rest_of_handle_regrename,
12342 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
12343 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
12344 rest_of_handle_gcse2, rest_of_handle_regmove,
12345 rest_of_handle_tracer, rest_of_handle_if_conversion,
12346 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
12347 rest_of_handle_web, rest_of_handle_branch_prob,
12348 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
12349 rest_of_handle_jump_bypass, rest_of_handle_combine,
12350 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12351 rest_of_handle_gcse, rest_of_handle_loop_optimize,
12352 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
12353 rest_of_handle_mode_switching, rest_of_handle_jump,
12354 rest_of_handle_eh, rest_of_handle_stack_adjustments,
12355 rest_of_handle_flow2, rest_of_handle_jump2,
12356 rest_of_handle_peephole2, rest_of_handle_postreload,
12357 rest_of_handle_shorten_branches, rest_of_clean_state,
12358 rest_of_compilation): Remove.
12360 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
12361 * passes.c (dump_flags, in_gimple_form, all_passes,
12362 all_ipa_passes, all_lowering_passes, register_one_dump_file,
12363 register_dump_files, next_pass_1, last_verified, execute_todo,
12364 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
12365 from tree-optimize.c.
12366 (init_optimization_passes): Moved from tree-optimize.c,
12367 adding the RTL optimizations.
12368 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
12369 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
12370 all_ipa_passes, all_lowering_passes, register_one_dump_file,
12371 register_dump_files, next_pass_1, last_verified, execute_todo,
12372 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
12373 init_tree_optimization_passes, ipa_passes): Delete.
12374 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
12376 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
12377 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
12379 (ipa_passes): Remove.
12380 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
12381 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
12382 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
12383 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
12384 (dump_info_p, dump_flag): Moved to tree-dump.h.
12386 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
12388 * passes.c (finish_optimization_passes): Use dump_begin
12389 and dump_end, TDI_end.
12390 (gate_rest_of_compilation): New.
12391 (pass_rest_of_compilation): Use it.
12392 (gate_postreload, pass_postreload): New.
12393 * toplev.c (general_init): Rename init_tree_optimization_passes.
12394 * toplev.h (init_tree_optimization_passes): Rename to
12395 init_optimizations_passes.
12396 * tree-dump.c (dump_flag): Make static.
12397 (dump_files): Remove RTL dumps.
12398 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
12399 pass_cleanup_cfg, pass_free_cfg_annotations,
12400 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
12401 pass_init_datastructures, pass_fixup_cfg): Make non-static.
12402 * tree-pretty-print.c: Include tree-pass.h.
12403 * cgraph.c: Include tree-dump.h.
12405 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
12407 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
12408 Only fall back to saying it points to readonly memory if
12409 we can't do better.
12411 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
12413 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
12414 * config/m32r/m32r.c (m32r_compute_frame_size,
12415 m32r_expand_prologue): Take current_function_profile into
12416 account whenever we reference
12417 current_function_uses_pic_offset_table.
12418 (m32r_finalize_pic): Remove.
12419 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
12421 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
12423 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
12424 instead of $<. Don't remove ./as if it already exists.
12426 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12429 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
12430 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
12431 for complex modes when generating code for PA 1.0.
12432 (VALID_FP_MODE_P): New macro.
12433 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
12434 sets for all general and floating point modes. Align wide floating
12435 point modes to even register boundaries to comply with architectural
12437 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
12438 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
12439 (VALID_FP_MODE_P): New macro.
12440 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
12441 sets for all general and floating point modes. Align wide floating
12442 point modes to even register boundaries to comply with architectural
12445 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12447 * tree-dump.c (dump_files): Initialize dump number for .cgraph
12450 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12452 * tree-ssa-structalias.c: Don't include expr.h.
12454 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12456 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
12459 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
12461 Fix PR tree-optimization/22279
12463 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
12466 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
12468 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
12470 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
12472 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
12473 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
12474 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
12475 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
12476 config/stormy16/stormy16.c, config/v850/v850.c,
12477 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
12478 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
12479 Avoid "." or "\n" at end of diagnostics and capital letters at
12480 start of diagnostics.
12481 * combine.c, cse.c: Don't translate dump file output.
12482 * toplev.c (print_version): Only translate output if going to
12485 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
12487 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
12488 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
12491 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12493 * pa.c (fix_range): Fix typo in comment.
12495 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
12497 * tree-vrp.c (extract_range_from_assert): Replace
12498 fold (build (...)) with fold_build2.
12500 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12502 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
12503 gcc_gfc_char_table, init_dynamic_gfc_info): New.
12504 (format_types_orig, handle_format_attribute): Add support for
12507 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
12509 * varasm.c (assemble_variable): Fix format specifier thinko.
12511 2005-07-03 Ira Rosen <irar@il.ibm.com>
12513 PR tree-optimization/22029 (and 22135)
12514 * tree-pretty-print.c (dump_generic_node): Check that the node is not
12515 a phi node before calling dump_vops.
12517 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
12519 * tree-dump.h (dump_string_field): Declare.
12520 * tree-dump.c: Use it instead of dump_string.
12521 (dump_string_field): Make non-static.
12523 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
12525 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
12526 up the minimal CFG stuff always when optimize > 0. Call
12527 split_all_insns_noflow in PIC case if needed.
12529 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
12530 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
12533 * c-decl.c (c_write_global_declarations): Dump contents of
12535 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12536 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12537 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12538 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12541 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
12543 * c-common.h (GCC_DIAG_STYLE): Define.
12544 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
12545 version for format checking to 4.1.
12546 * c-format.c: Include toplev.h after c-common.h.
12547 (enum format_type): Add gcc_tdiag_format_type.
12548 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12549 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12550 (format_types_orig): Add gcc_tdiag.
12551 (init_dynamic_diag_info): Support gcc_tdiag formats.
12552 (handle_format_attribute): Likewise.
12553 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12554 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
12555 version for format checking to 4.1.
12556 (warning0, warning, error, pedwarn, sorry): Use
12557 ATTRIBUTE_GCC_DIAG.
12558 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12559 (finish_aliases_1): Do not use %qE.
12560 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12561 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12562 Correct format bugs.
12563 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12564 parameter to unsigned HOST_WIDE_INT.
12565 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12567 2005-07-02 David Edelsohn <edelsohn@gnu.org>
12569 PR middle-end/21742
12570 * expr.c (write_complex_part): Use adjust_address for MEM.
12571 (read_complex_part): Same.
12573 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
12575 Fix PR tree-optimization/22280
12577 * tree-sra.c (generate_element_init): Remove useless loop.
12579 2005-07-02 Richard Henderson <rth@redhat.com>
12581 * config/alpha/alpha.c (alpha_legitimize_address): Check for
12583 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12585 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
12587 PR middle-end/14490
12588 * fold-const.c (fold_binary): Handle the return value of
12589 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12590 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12592 2005-07-02 Jeff Law <law@redhat.com>
12594 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12595 a eliminate type conversion which feeds an equality comparison
12596 if the original type or either operand in the comparison is a
12599 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
12601 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12602 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12604 * config/avr/avr.c: Do not use '`' as left quote.
12605 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12606 Remove "." from end of diagnostics. Make diagnostics start with
12609 2005-07-02 Zack Weinberg <zack@codesourcery.com>
12610 Joseph S. Myers <joseph@codesourcery.com>
12612 * toplev.c (default_tree_printer): Handle setting location with
12614 * c-objc.common.c (c_tree_printer): Likewise.
12615 * c-format.c (gcc_diag_flag_specs): Add '+'.
12616 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12617 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12619 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12620 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12621 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12622 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12623 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12624 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
12625 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
12626 format arguments where %J is used without %D.
12628 2005-07-02 Jakub Jelinek <jakub@redhat.com>
12630 * gcc.c (LINK_SSP_SPEC): Define.
12631 (link_ssp_spec): New variable.
12632 (LINK_COMMAND_SPEC): Add %(link_ssp).
12633 (static_specs): Add link_ssp_spec.
12634 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12635 * configure: Rebuilt.
12636 * config.in: Rebuilt.
12638 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12639 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12640 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12641 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12642 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12643 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12644 -0x7008(2) instead of reading __stack_chk_guard variable.
12645 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12647 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12648 (stack_protect_set, stack_protect_test): Use *_tls* patterns
12649 if TARGET_THREAD_SSP_OFFSET is defined.
12650 (stack_tls_protect_set_si, stack_tls_protect_set_di,
12651 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12654 2005-06-27 Richard Henderson <rth@redhat.com>
12655 * libgcc-std.ver (GCC_4.1.0): New.
12656 * libgcc.h (__stack_chk_guard): Declare.
12657 (__stack_chk_fail, __stack_chk_fail_local): Declare.
12658 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12659 * mklibgcc.in (lib2funcs): Add them.
12661 2005-07-01 Richard Henderson <rth@redhat.com>
12663 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12664 void * before struct sigcontext *.
12665 (x86_fallback_frame_state): Likewise.
12667 2005-07-01 James E. Wilson <wilson@specifixinc.com>
12669 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12671 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12674 * tree-ssa-reassoc.c (should_transpose): Fix which operand
12675 we check for SSA_NAME for.
12677 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
12679 Fix PR tree-optimization/22071
12681 * tree-ssa-structalias.c (offset_overlaps_with_access): New
12683 (get_constraint_for_component_ref): Use it.
12685 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12688 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12689 print out the last new line.
12691 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
12693 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12694 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12695 * config/cris/cris.c (cris_conditional_register_usage): Adjust
12696 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12697 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12698 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12699 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12700 (enum reg_class): New member CC0_REGS.
12701 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12702 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12703 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12704 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12705 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12706 Adjust for register now described.
12708 2005-07-01 Jakub Jelinek <jakub@redhat.com>
12711 * config/i386/i386.md (stack_protect_test_si,
12712 stack_protect_test_di): Add earlyclobber for scratch 3.
12713 * config/rs6000/rs6000.md (stack_protect_testsi,
12714 stack_protect_testdi): Add earlyclobber for scratch 3,
12715 remove earlyclobber from scratch 4.
12717 Older entries for 2005 can be found in ChangeLog-2005.