1 2005-12-22 Zdenek Dvorak <dvorakz@suse.cz>
2 Steven Bosscher <stevenb@suse.de>
4 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6 (df_bb_modify): Realloc tables to the new index.
7 (df_find_use): New function.
8 (df_find_def, df_reg_used): Handle subregs.
9 * df.h (df_find_use): Declare.
11 * loop-invariant.c: Include hashtab.h.
12 (struct invariant): Remove processed field, add eqto and reg fields.
13 (struct invariant_expr_entry): New.
14 (invariant_for_use, hash_invariant_expr_1, invariant_expr_equal_p,
15 hash_invariant_expr, eq_invariant_expr, find_or_insert_inv,
16 find_identical_invariants, merge_identical_invariants): New functions.
17 (create_new_invariant): Return the new invariant. Initialize new
19 (find_invariants): Call merge_identical_invariants.
20 (get_inv_cost, best_gain_for_invariant, set_move_mark,
21 move_invariant_reg): Handle equivalent invariants.
22 * Makefile.in (loop-invariant.o): Add HASHTAB_H dependency.
24 2005-12-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
27 * c-lex.c (c_lex_with_flags): Add PURE_ZERO to cpp_flags if
28 number is a single digit '0'.
30 2005-12-22 Kazu Hirata <kazu@codesourcery.com>
32 PR tree-optimization/23518
33 * fold-const.c (make_range): Don't move a constant to the
34 other side of the comparison if the type is signed and -fwrapv
37 2005-12-22 Kazu Hirata <kazu@codesourcery.com>
39 * tree-vrp.c (extract_range_from_binary_expr): Clean up uses
42 2005-12-21 Joseph S. Myers <joseph@codesourcery.com>
45 * config/arm/t-arm-elf (LIB1ASMFUNCS): Add _floatundidf and
48 2005-12-21 Andrew Haley <aph@redhat.com>
51 * recog.c (peephole2_optimize): Don't peephole any
52 RTX_FRAME_RELATED_P insns.
54 2005-12-21 Kazu Hirata <kazu@codesourcery.com>
56 * tree-data-ref.c (estimate_niter_from_size_of_data): Replace
57 fold_build2 with fold_binary.
58 * tree-ssa-ccp.c (visit_assignment, maybe_fold_stmt_addition):
59 Replace fold_build1 with fold_unary.
60 * tree-ssa-reassoc.c (optimize_ops_list): Replace fold_build2
63 2005-12-21 Steven Bosscher <stevenb@suse.de>
65 PR rtl-optimization/25196
66 * postreload-gcse.c (record_last_set_info): Notice stack pointer
67 changes in push insns without REG_INC notes.
69 2005-12-21 Kazu Hirata <kazu@codesourcery.com>
71 PR tree-optimization/25382.
72 * tree-vrp.c (extract_range_from_binary_expr): Extract a range
75 2005-12-21 Janis Johnson <janis187@us.ibm.com>
76 Ben Elliston <bje@au.ibm.com>
78 * configure.ac: Enable C extension for decimal float if invoked
79 with --enable-decimal-float.
80 * doc/install.texi (Configuration): Document it.
81 * configure, config.in: Regenerate.
83 2005-12-20 Mike Stump <mrs@apple.com>
85 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Handle the
86 ambiguity between -seg_addr_table and -seg_addr_table_filename.
87 (WORD_SWITCH_TAKES_ARG): Likewise.
88 (LINK_SPEC): Likewise.
90 2005-12-20 Kenneth Zadeck <zadeck@naturalbridge.com>
92 * cfganal.c (flow_reverse_top_sort_order_compute):
93 Renamed to post_order_compute and additional parameter added which
94 allows the inclusion of entry and exit blocks into list.
95 (mark_dfs_back_edges): Fixed comment.
96 (flow_depth_first_order_compute): Renamed to
97 pre_and_rev_post_order_compute additional parameter added which
98 allows the inclusion of entry and exit blocks into list.
99 * global.c (set_up_bb_rts_numbers): Call to
100 flow_reverse_top_sort_order_compute renamed to
102 * var-tracking.c (vt_stack_adjustments): Fixed comment.
103 (vt_find_locations): Call to
104 flow_depth_first_order_compute renamed to
105 pre_and_rev_post_order_compute.
106 * cfgloop.c (flow_find_loops): Ditto.
107 * tree-ssa-reassoc.c (init_reassoc): Ditto.
108 * df.c (df_analyze_1, df_analyze_subcfg): Calls to
109 flow_reverse_top_sort_order_compute renamed to post_order_compute
110 and calls to flow_reverse_top_sort_order_compute renamed to
112 * basic_block.h: Ditto.
115 2005-12-20 Roger Sayle <roger@eyesopen.com>
116 Paolo Bonzini <bonzini@gnu.org>
118 PR rtl-optimization/25115
119 * gcse.c (pre_insert_copy_insn): Fall back to the sole
120 SET in the insn if there is no SET for an
121 expression that is equivalent to EXPR.
123 2005-12-20 Richard Guenther <rguenther@suse.de>
126 * builtins.c (std_gimplify_va_arg_expr): Do not align
127 va frame for zero sized types.
128 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
130 2005-12-20 Kazu Hirata <kazu@codesourcery.com>
132 PR tree-optimization/25501
133 * tree-cfgcleanup.c (merge_phi_nodes): Check that RESULT is
134 used in the PHI argument corresponding to the edge from BB to
137 2005-12-20 Richard Guenther <rguenther@suse.de>
140 2005-12-02 Richard Guenther <rguenther@suse.de>
142 * tree-cfg.c (mark_used_vars): New function.
143 (dump_function_to_file): Dump only used VAR_DECLs.
145 2005-12-19 Roger Sayle <roger@eyesopen.com>
147 * combine.c (try_combine): Improve splitting of binary operators
148 by taking advantage of reassociative transformations.
150 2005-12-19 Jeff Law <law@redhat.com>
152 * tree-ssa-dom.c (thread_across_edge): Do not use local_fold.
153 Strip away all type conversions after simplifying the
156 * tree-cfgcleanup.c (merge_phi_nodes): Allow merging in some
157 cases the forwarder block dominates the destination.
159 2005-12-19 DJ Delorie <dj@redhat.com>
161 * reload1.c (spill_failure): Dump reload data to dump file.
162 (find_reload_regs): Likewise.
164 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
166 PR tree-optimization/24793
167 * tree-ssa-loop-ivopts.c (get_ref_tag): Remember the
168 original reference if there are subvars.
169 * tree-ssa-operands.c (get_tmr_operands): Handle subvars.
171 2005-12-19 Kenneth Zadeck <zadeck@naturalbridge.com>
173 * df.c (df_analyze_1, df_analyze_subcfg, iterative_dataflow):
174 Corrected basic block number calculations for changes in entry and
177 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
179 * tree-flow.h (struct var_ann_d): Change type of
180 may_aliases field to VEC(tree, gc) *.
181 (may_aliases): Declaration changed.
182 * tree-ssa-alias.c (group_aliases, add_may_alias,
183 replace_may_alias, dump_may_aliases_for,
184 is_aliased_with, add_type_alias, new_type_alias):
185 Work with VEC(tree, gc) * instead of varray.
186 * tree-flow-inline.h (may_aliases): Ditto.
187 * tree-ssa.c (verify_flow_insensitive_alias_info,
188 verify_name_tags): Ditto.
189 * tree-ssa-operands.c (add_stmt_operand): Ditto.
191 2005-12-19 J"orn Rennecke <joern.rennecke@st.com>
193 * cfgcleanup.c: Temporarily revert patches for PR 20070 till Bernd
196 2005-12-19 J"orn Rennecke <joern.rennecke@st.com>
198 * struct-equiv.c (struct_equiv_improve_checkpoint): Fix sets_cc0_p
201 2005-12-19 Ben Elliston <bje@au.ibm.com>
203 * doc/install.texi (Configuration): Typo in Fortran subheading.
205 2005-12-19 Nathan Sidwell <nathan@codesourcery.com>
207 * config/mt/mt.md (decrement_and_branch_until_zero): Add another
208 scratch. Correct its reload split. Adjust its peephole.
209 (doloop_end): Add additional scratch.
211 * config/mt/mt.c (MT_INT_ARG_FIRST): Remove.
212 (mt_asm_output_opcode, mt_print_operand): Use 'nop'.
213 (mt_function_arg_slotno): Use FIRST_ARG_REGNUM.
214 (mt_builtin_saveregs): Replace with ...
215 (mt_setup_incoming_varargs): ... here. Save just the varadic
217 (mt_va_start): Remove.
218 (mt_reorg_hazard): Ignore USE insns. Don't call set_noop_p.
219 (mt_machine_reorg): Split all insns here.
220 (TARGET_SETUP_INCOMING_VARARGS): Override.
221 * config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only.
223 (EXPAND_BUILTIN_VA_START): Remove.
225 2005-12-17 Kenneth Zadeck <zadeck@naturalbridge.com>
227 * flow.c (update_life_info, count_or_remove_death_notes): Fixed
228 latent bug that could happen if update_life_info was called with a
229 blocks parameter and the call to cleanup_cfg actually deleted one
232 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
234 * tree-ssa-structalias.c (update_alias_info): Remove handling
235 of may_be_aliased (SSA_NAME_VAR (op)) case.
237 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
239 * tree-flow.h (struct stmt_ann_d): Remove
240 makes_aliased_loads and makes_aliased_stores fields.
241 * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores
242 and makes_aliased_loads fields.
243 * tree-ssa-dom.c (eliminate_redundant_computations): Do not
244 use makes_aliased_stores.
245 * tree-ssa-operands.c (clobbered_aliased_loads,
246 clobbered_aliased_stores, ro_call_aliased_loads): Removed.
247 (build_ssa_operands, add_stmt_operand, add_call_clobber_ops,
248 add_call_read_ops): Do not set makes_aliased_stores and
249 makes_aliased_loads fields.
250 * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores
253 2005-12-18 Geoffrey Keating <geoffk@apple.com>
255 * config/darwin.h: Don't include darwin-sections.def to declare
256 global variables; instead create darwin_section_enum.
257 (darwin_section_enum): New.
258 (darwin_sections): New.
259 * config/darwin.c: Don't include darwin-sections.def to define
261 (darwin_sections): New.
262 (output_objc_section_asm_op): Rewrite to take advantage of
264 (darwin_init_sections): Rewrite to use darwin_sections.
265 (machopic_output_indirection): Update for darwin_sections array.
266 (machopic_select_section): Likewise.
267 (machopic_select_rtx_section): Likewise.
268 (machopic_asm_out_constructor): Likewise.
269 (machopic_asm_out_destructor): Likewise.
270 (darwin_file_end): Likewise.
271 * config/rs6000/rs6000.c (machopic_output_stub): Likewise.
272 * config/i386/i386.c (machopic_output_stub): Likewise.
274 2005-12-18 Richard Guenther <rguenther@suse.de>
276 PR tree-optimization/25481
277 * tree-ssa-structalias.c (handle_ptr_arith): Handle accesses we
278 don't have a varinfo for.
280 2005-12-18 Jon Grimm <jgrimm2@us.ibm.com>
281 Janis Johnson <janis187@us.ibm.com>
282 Ben Elliston <bje@au.ibm.com>
284 * optabs.c (init_floating_libfuncs): Handle decimal float modes.
285 (init_optabs): Handle libfuncs for decimal float.
286 * genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
287 * stor-layout.c (int_mode_for_mode): Likewise.
288 * simplify-rtx.c (simplify_immed_subreg): Likewise.
289 (simplify_unary_operation_1): Skip optimisations for decimal float
291 * varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
292 * emit-rtl.c (gen_const_vector): Add assertion check.
293 (init_emit_once): Populate const_tiny_rtx with constants in each
295 * expmed.c (extract_high_half, expand_mult_highpart_optab,
296 expand_mult_highpart): Assert that mode is not a scalar float
298 * expr.c (convert_move): Handle conversion between decimal and
299 binary floats of the same size.
300 * convert.c (convert_to_real): Consider decimal float types when
302 * dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
303 describe decimal floating point types.
305 2005-12-18 Ulrich Weigand <uweigand@de.ibm.com>
307 PR rtl-optimization/21041
308 * reload.c (find_reloads_subreg_address): Replace paradoxical
309 subreg of MEM by widened access only if the resulting memory
310 is properly aligned, even on !STRICT_ALIGNMENT targets.
312 2005-12-18 Andreas Krebbel <krebbel1@de.ibm.com>
314 * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.
316 2005-12-18 Steven Bosscher <stevenb@suse.de>
318 * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
319 the 2005-12-17 patch to renumber the entry and exit blocks.
321 2005-12-18 Gabriel Dos Reis <gdr@integrable-solutions.net>
323 * doc/objc.texi (Type encoding): Fix typo.
325 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
327 * tree-tailcall.c (find_tail_calls): Use XNEW.
328 * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
329 (free_all_edge_infos): Use explicit cast to convert from void *.
330 (vrp_free): Likewise.
331 (dom_opt_finalize_block): Likewise.
332 (record_equivalences_from_incoming_edge): Likewise.
333 (thread_across_edge): Likewise. Use XCNEWVEC.
334 (record_cond): Use XCNEW.
335 (record_conditions): Use XNEWVEC.
336 (record_edge_info): Use XCNEWVEC.
337 (lookup_avail_expr): Use XNEW.
338 (record_range): Likewise. Use GGC_NEW.
339 * tree-nested.c (var_map_hash): Use explicit cast to convert from
341 (var_map_eq): Likewise.
342 (lookup_field_for_decl): Likewise.
343 (convert_nonlocal_reference): Likewise.
344 (convert_local_reference): Likewise.
345 (convert_nl_goto_reference): Likewise.
346 (convert_nl_goto_receiver): Likewise.
347 (convert_call_expr): Likewise.
348 (convert_tramp_reference): Likewise.
349 (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
350 (convert_nl_goto_reference): Likewise.
351 (lookup_field_for_decl): Use GGC_NEW.
352 (create_nesting_tree): Use GGC_CNEW.
353 * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
354 * tree-ssa-alias.c (init_alias_info): Use XCNEW.
355 (create_alias_map_for): Likewise.
356 (setup_pointers_and_addressables): Use XCNEWVEC.
357 (get_ptr_info): Use GGC_NEW.
358 (used_part_map_eq): Use explicit cast to convert from void *.
359 (up_lookup): Likewise.
360 (up_insert): Use XNEW.
361 (get_or_create_used_part_for): Use XCNEW.
362 (get_tmt_for): Likewise.
363 * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
364 * tree-ssa-pre.c (phi_trans_add): Use XNEW.
365 (bitmap_set_new): Use explicit cast to convert from void *.
367 (insert_into_set): Likewise.
368 (pool_copy_list): Likewise.
369 (phi_translate): Likewise.
370 (create_value_expr_from): Likewise.
371 (insert_aux): Use XCNEWVEC.
372 (compute_avail): Use XNEWVEC.
373 * tree-ssa-live.c (calculate_live_on_entry): Likewise.
374 (sort_coalesce_list): Likewise.
375 (build_tree_conflict_graph): Use XCNEWVEC.
376 * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
377 * tree-ssa-copy.c (init_copy_prop): Likewise.
378 (fini_copy_prop): Likewise.
379 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
381 (record_equiv): Use XNEW.
382 (uncprop_into_successor_phis): Use explicit cast to convert from
384 (uncprop_initialize_block): Likewise.
386 2005-12-18 Dorit Nuzman <dorit@il.ibm.com>
388 PR tree-optimization/24378
389 * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
390 basic-block after loop-versioning.
392 2005-12-18 Jeff Law <law@redhat.com>
394 * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
395 to simplify SWITCH_EXPR_CODE moved from here to ...
396 * tree-ssa-forwprop.c (simplify_switch_expr): Here.
397 (tree-ssa-forward_propagate_single_use_vars): Call
398 simplify_switch_expr when appropriate.
400 2005-12-17 Andrew Pinski <pinskia@physics.uc.edu>
402 * doc/objc.texi (Type encoding): Add documentation about encoding
403 complex types and _Bool.
405 2005-12-17 Paul Brook <paul@codesourcery.com>
407 * config/m68k/m68k.md (m68k_output_function_prologue): Always call
408 dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
409 when frame_pointer_needed.
411 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
413 * tree-vn.c (vn_add): Use XNEW.
414 * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
415 (ccp_fold): Likewise.
416 (fold_stmt_r): Use explicit cast to convert from void *.
417 * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
418 (new_temp_expr_table): Likewise.
419 * gimplify.c (lookup_tmp_var): Use XNEW.
420 (gimplify_asm_expr): Use explcit cast to convert from void *.
421 * tree-into-ssa.c (get_ssa_name_ann): Likewise.
422 (get_def_blocks_for): Use XNEW.
423 (add_to_repl_tbl): Likewise.
424 (mark_def_sites): Use explicit cast to convert from void *.
425 (def_blocks_free): Likewise.
426 (mark_def_sites_initialize_block): Likewise.
427 (update_ssa): Use XNEWVEC.
428 * tree-dfa.c (create_var_ann): Use GGC_NEW.
429 (create_stmt_ann): Likewise.
430 (create_tree_ann): Likewise.
431 (referenced_var_insert): Likewise.
432 (set_default_def): Likewise.
433 (referenced_var_lookup_if_exists): Use explicit cast to convert
435 (referenced_var_lookup): Likewise.
436 (default_def): Likewise.
437 (set_default_def): Likewise.
438 * tree-cfg.c (create_bb): Likewise.
439 (edge_to_cases_cleanup): Likewise.
440 (verify_node_sharing): Likewise.
441 (record_switch_edge): Use XNEW.
442 (cleanup_dead_labels): Use XCNEWVEC.
443 (tree_duplicate_sese_region): Use XNEWVEC.
444 * tree-scalar-evolution.c (get_instantiated_value): Likewise.
445 * tree-ssa.c (verify_ssa): Use XCNEWVEC.
446 (int_tree_map_eq): Use explicit cast to convert from void *.
447 * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
448 (__gcov_execl): Likewise.
449 (__gcov_execlp): Likewise.
450 (__gcov_execle): Likewise.
451 * tree-eh.c (struct_ptr_eq): Likewise.
452 (struct_ptr_hash): Likewise.
453 (lookup_stmt_eh_region_fn): Likewise.
454 (outside_finally_tree): Likewise.
455 (find_goto_replacement): Likewise.
456 (make_eh_edge): Likewise.
457 (mark_eh_edge): Likewise.
458 (add_stmt_to_eh_region_fn): Use GGC_NEW.
459 (record_in_finally_tree): Use XNEW.
460 (maybe_record_in_goto_queue): Use XRESIZEVEC.
461 (lower_try_finally_copy): Use XCNEWVEC.
463 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
465 * tree-inline.c (copy_body_r): Use explicit cast when converting
468 (copy_edges_for_bb): Likewise.
469 (remap_decl_1): Likewise.
470 (estimate_num_insns_1): Likewise.
471 * cgraph.c (hash_node): Use explicit cast when converting from
474 (cgraph_create_node): Use GGC_CNEW.
475 (cgraph_create_edge): Use GGC_NEW.
476 (cgraph_remove_node): Use explicit cast when converting from void *.
477 (hash_varpool_node): Likewise.
478 (eq_varpool_node): Likewise.
479 (cgraph_varpool_node): Use GGC_CNEW.
480 * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
481 * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
482 (eq_scev_info): Use explicit cast when converting from void *.
483 (find_var_scev_info): Likewise.
484 (set_instantiated_value): Likewise.
485 (gather_stats_on_scev_database_1): Likewise.
486 * cfgloop.h (simple_loop_desc): Use explicit cast when converting
488 * c-pch.c (c_common_write_pch): Use XNEWVEC.
489 (c_common_read_pch): Likewise.
490 * prefix.c (save_string): Use XNEWVEC.
491 (translate_name): Use explicit cast when converting from void *.
492 * c-ppoutput.c (print_line): Use explicit cast when converting
494 (pp_dir_change): Likewise.
495 * c-cppbuiltin.c (builtin_define_std): Likewise.
496 (builtin_define_with_value): Likewise.
497 (builtin_define_with_value_n): Likewise.
498 (builtin_define_with_int_value): Likewise.
499 (builtin_define_type_max): Likewise.
500 * c-incpath.c (add_env_var_paths): Use XNEWVEC.
501 (add_path): Use XNEW.
502 * c-format.c (check_format_info_main): Use GGC_NEW.
503 (format_type_warning): Use explicit cast when converting from void *.
504 * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
506 (start_init): Likewise.
507 * tree-flow-inline.h (first_referenced_var): Use explicit cast
508 when converting from void *.
509 (next_referenced_var): Likewise.
510 * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
511 * gensupport.c (lookup_predicate): Use explicit cast to convert
513 (init_predicate_table): Use XCNEW instead of xcalloc.
514 * genpreds.c (process_define_predicate): Likewise.
516 2005-12-17 Danny Berlin <dberlin@dberlin.org>
517 Kenneth Zadeck <zadeck@naturalbridge.com>
519 * basic-block.h: Changed basic block numbering so that the entry
520 block is 0 and the exit block is 1. Changed insn iterators so
521 that they are tolerant of blocks with no insns.
522 * regrename.c (copyprop_hardreg_forward): Changed basic block
523 numbering so that the entry block is 0 and the exit block is 1.
524 * sched-ebb.c (sehedule_ebbs): Ditto.
525 * tracer.c (branch_ratio_cutoff): Ditto.
526 * cfgloopmanip.c (fix_loop_structure): Ditto.
527 * cfghooks.c (verify_flow_info): Ditto.
528 * cfg.c (compact_blocks): Ditto.
529 * reorg.c (dbr_schedule): Ditto.
530 * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
531 * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
532 calculate_dominance_info): Ditto.
533 * cfganal.c (create_edge_list, print_edge_list,
534 flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
535 flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
536 dfs_enumerate_from): Ditto.
537 * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
538 * ifcvt.c (find_if_case_2): Ditto.
539 * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
540 find_basic_blocks): Ditto.
541 * predict.c (predict_loops, tree_bb_level_predictions,
542 predict_paths_leading_to, propagate_freq): Ditto.
543 * lcm.c (compute_antinout_edge, compute_laterin,
544 compute_available): Ditto.
545 * function.c (thread_prologue_and_epilogue_insns): Ditto.
546 * gcse.c (gcse_main, bypass_jumps): Ditto.
547 * profile.c (compute_branch_probabilities,
548 compute_value_histograms, branch_prob): Ditto.
549 * tree-flow-inline.h (bsi_start, bsi_after_labels,
551 * tree-ssa-phiopt.c (tree_ssa_phiopt,
552 blocks_in_phiopt_order): Ditto.
553 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
554 compute_out, link_btr_uses, migrate_btr_defs): Ditto.
555 * tree-dfa.c (collect_dfa_stats): Ditto.
556 * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
557 * cfglayout.c (fixup_reorder_chain): Ditto.
558 * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
559 partition_hot_cold_basic_blocks): Ditto.
560 * var-tracking.c (vt_find_locations): Ditto.
561 * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
562 * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
563 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
564 label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
565 * tree-ssa-reassoc.c (init_reassoc): Ditto.
566 * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
567 rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
568 * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
569 and removed unused reverse orders.
571 * combine.c: Fix document typo.
573 2005-12-17 Jan Hubicka <jh@suse.cz>
575 * tree-flow-inline.h (set_default_def, default_def): Kill.
576 * tree-dfa.c (default_defs): New global variable.
577 (default_def, set_default_def): New functions.
578 * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
579 * tree-flow.h (struct var_ann_d): Kill default_def field.
580 (set_default_def, default_def): Update prototype.
581 (default_defs): Declare.
583 2005-12-16 Jeff Law <law@redhat.com>
585 * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
586 (simplify_rhs_and_lookup_avail_expr): Kill. Remnants moved
587 into tree-ssa-forwprop.c.
588 (eliminate_redundant_computations): Do not call
589 simplify_rhs_and_lookup_avail_expr anymore.
590 * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
591 extracted from remnants of simplify_rhs_and_lookup_avail_expr.
592 (tree_ssa_forward_propagate_single_use_vars): Call
593 simplify_not_neg_expr appropriately.
595 2005-12-16 Bernd Trog <berndtrog@yahoo.com>
598 * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
600 2005-12-17 Kazu Hirata <kazu@codesourcery.com>
602 PR rtl-optimization/25456
603 * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
604 info->x_start with p->x_start.
606 2005-12-17 Alan Modra <amodra@bigpond.net.au>
608 * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
609 introduced 2005-12-16.
611 2005-12-16 Steven Bosscher <stevenb@suse.de>
613 PR rtl-optimization/23837
614 * optabs.c (expand_binop): For a multi-word rotate, never emit
615 a REG_NO_CONFLICT block.
617 2005-12-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
620 * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
623 * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
626 2005-12-16 Steven Bosscher <stevenb@suse.de>
628 * loop-invariant.c (move_loop_invariants): Add missing hunk from
629 the previous patch, to nullify df.
631 2005-12-16 Steven Bosscher <stevenb@suse.de>
633 * reorg.c (mostly_true_jump): Clean up code depending on
634 LABEL_OUTSIDE_LOOP_P and loop notes. Remove code doing
635 poor man's branch prediction, instead rely on REG_BR_PROB
636 notes to be available.
638 2005-12-16 Jakub Jelinek <jakub@redhat.com>
640 PR rtl-optimization/24899
641 * loop.c (strength_reduce): Don't reduce giv that is not always
642 computable and where add_val or mult_val can trap.
644 * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
646 2005-12-16 Nathan Sidwell <nathan@codesourcery.com>
648 * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
649 names of ms1-16-002 files.
651 2005-12-16 Alan Modra <amodra@bigpond.net.au>
654 * gcc.c (for_each_path): New function.
655 (add_to_obstack, file_at_path): New functions.
656 (struct file_at_path_info, struct add_to_obstack_info): New.
657 (build_search_list): Rewrite using for_each_path. Constify struct
658 path_prefix pointer. Add do_multi param. Adjust all callers.
659 (find_a_file): Similarly, but just change existing param to bool.
660 (putenv_from_prefixes): Add do_multi param, make "paths" const.
661 (do_spec_path): Delete.
662 (struct spec_path_info): New.
663 (spec_path): New function.
664 (do_spec_1): Use for_each_path for %D and %I.
665 (find_file): Adjust for find_a_file changes.
666 (main): Search multilibs for specs. Print multilib lib path for
667 -print-search-dirs. Likewise add multilibs to LIBRARY_PATH_ENV.
668 (read_specs): Search multilibs for %include and %include_noerr.
669 (is_directory): Remove second string param. Change last param
670 to a bool. Don't use concat. Remove SMALL_ARG_MAX test, always
671 check path is a dir. Update all callers.
672 * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
673 * system.h (SMALL_ARG_MAX): Poison.
674 * config.gcc: Don't define SMALL_ARG_MAX.
675 * config.host: Likewise.
676 * config.build: Likewise.
678 2005-12-16 Paolo Bonzini <bonzini@gnu.org>
680 * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
681 FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
682 ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
683 simplify_logical): Move simplifications that do not require
684 additional infrastructure...
685 * simplify-rtx.c (simplify_unary_operation_1,
686 simplify_binary_operation_1): ... here.
688 2005-12-16 Andreas Krebbel <krebbel1@de.ibm.com>
691 * flow.c (mark_used_dest_regs): New function.
692 (mark_used_regs): Call mark_used_dest_regs.
694 2005-12-16 Jeff Law <law@redhat.com>
696 * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
697 represent a use and definition of the same SSA_NAME.
699 2005-12-16 Jon Grimm <jgrimm2@us.ibm.com>
700 Janis Johnson <janis187@us.ibm.com>
701 Ben Elliston <bje@au.ibm.com>
703 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
704 (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
705 * target.h (struct gcc_target): Add decimal_float_supported_p.
706 * targhooks.c (default_scalar_mode_supported_p): Handle
708 * builtins.def: Add new builtins for 32, 64 and 128 bit variants
709 of inf, nan, finite, isinf and isnan.
710 * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
711 BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
712 BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
713 BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
714 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
715 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
716 BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
717 * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
718 Pedwarn if decimal floating point types are used. Error if
719 decimal floating point is not supported by the target.
720 (finish_declspecs): Return type from DFP typespec_word.
721 * c-typeck.c (c_common_type): Choose the decimal floating point
722 type with the greater precision when determining a common type.
723 (convert_arguments): Warn if there is a mismatch between argument
724 and prototype for decimal float types. Warn of conversions with
725 binary float types and of precision narrowing due to prototype.
726 * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
727 (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
728 (c_token_starts_declspecs): Likewise.
729 (c_parser_attributes): Likewise.
730 * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
731 RID_DFLOAT64, RID_DFLOAT128.
732 (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
733 * c-common.c (c_common_type_for_mode): Handle decimal float modes.
734 (shorten_compare): Convert DFP/BFP operands to a common type.
735 (c_common_modes_and_builtins): Register built-in decimal float
736 types if the target supports them.
737 (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
738 * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
739 inf, nan, finite, isinf and isnan builtins.
740 * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
741 (builtin_define_float_constants): Assert non-decimal radix.
742 (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
743 Call builtin_define_decimal_float_constants for each type.
744 * c-lex.c (interpret_float): Decode decimal float types from CPP_N
745 flags. Use real_from_string3, which can handle binary or decimal
747 * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
748 cts_dfloat64, cts_dfloat128.
749 * tree.c (build_common_tree_nodes_2): Add decimal float types.
750 * tree.h (enum tree_index): Add new enumeration values
751 TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
752 TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
753 (dfloat32_type_node): New macro.
754 (dfloat64_type_node, dfloat128_type_node): Likewise.
755 (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
756 (dfloat128_ptr_type_node): Likewise.
757 * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
758 bit decimal floating point types with "df", "dd" and "dl".
759 * c-format.h (enum format_lengths): Add new enumeration values
760 FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
761 * c-format.c (printf_length_specs, scanf_length_specs): Add
762 entries for H, D, DD.
763 (print_char_table, scan_char_table): Use new entries.
764 (asm_fprintf_char_table, gcc_diag_char_table,
765 gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
767 * defaults.h (DECIMAL32_TYPE_SIZE): Define.
768 (DECIMAL64_TYPE_SIZE): Likewise.
769 (DECIMAL128_TYPE_SIZE): Likewise.
770 (TARGET_DEC_EVAL_METHOD): Likewise.
771 * doc/extend.texi (Decimal Float): New node.
772 (Constructing Calls): Document decimal float built-ins.
773 * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
774 * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
775 * ginclude/decfloat.h: New file.
777 2005-12-16 Alan Modra <amodra@bigpond.net.au>
779 * reload.c (find_reloads): Fix comment typo.
780 * recog.h (recog_memoized): Correct comment.
782 2005-12-16 Kazu Hirata <kazu@codesourcery.com>
784 * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
785 config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
786 reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
787 tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
788 * doc/invoke.texi, doc/tm.texi: Fix typos.
790 2005-12-16 Ben Elliston <bje@au.ibm.com>
792 * real.c (decimal_quad_format): Correct values for emin, emax.
794 2005-12-15 DJ Delorie <dj@redhat.com>
796 * config/m32c/predicates.md (m32c_psi_scale): New.
797 * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
798 * config/m32c/muldiv.md (mulpsi3): Support negative constants.
800 2005-12-16 Jan Hubicka <jh@suse.cz>
802 PR rtl-optimization/25224
803 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
806 2005-12-15 Zdenek Dvorak <dvorakz@suse.cz>
807 Steven Bosscher <stevenb@suse.de>
809 * loop-invariant.c (df): New global variable.
810 (find_defs, check_dependencies, find_invariant_insn, record_uses,
811 find_invariants_bb, find_invariants_body, find_invariants,
812 find_invariants_to_move, move_invariants, free_inv_motion_data,
813 move_single_loop_invariants, move_loop_invariants): Do not pass df in
816 2005-12-15 Jakub Jelinek <jakub@redhat.com>
818 * varasm.c (default_unique_section_1): Use special section
819 names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
821 2005-12-16 Ben Elliston <bje@au.ibm.com>
823 * doc/invoke.texi (Warning Options): Document -Walways-true being
826 2005-12-15 Joseph S. Myers <joseph@codesourcery.com>
829 * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
830 * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
831 __floatunditf): Use #error if type sizes don't match requirements
833 (__floatdisf, __floatdidf): Unify. Possibly use XFmode or TFmode
834 as wider floating-point type. Use #error if type sizes don't
835 match requirements of implementation. Avoid overflow in computing
836 Wtype_MAXp1_F * Wtype_MAXp1_F. When special casing conversion,
837 shift one more bit. Cast 1 to DWtype or UDWtype for shifting.
838 (__floatundisf, __floatundidf): Likewise.
839 * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
840 * config/ia64/ia64.c (ia64_init_libfuncs): Use
841 _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
842 TFmode-TImode conversions.
843 * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
845 2005-12-14 Craig Rodrigues <rodrigc@gcc.gnu.org>
847 * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
848 Use builtin_define_with_int_value() instead of
849 adding a new check for every new major FreeBSD version.
851 2005-12-14 Andrew Pinski <pinskia@physics.uc.edu>
853 * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
855 2005-12-15 Richard Sandiford <richard@codesourcery.com>
857 * config/arm/predicates.md (call_memory_operand): New.
858 * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
860 2005-12-15 Andrew Haley <aph@redhat.com>
862 * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
863 against prev_cache_entry == NULL when moving a cache entry to the
866 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
868 * config/mt/mt.c (mt_override_options): Require lower case
869 architectures. Revert accidental default to ms2.
870 * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
871 ENDFILE_SPEC): Require lower case architectures. Revert default
874 * doc/invoke.texi (MT Options): Rename and update.
875 * doc/md.texi (MorphoTech family): Rename and update.
877 2005-12-15 Olivier Hainque <hainque@adacore.com>
879 * stor-layout.c (layout_type): Don't complain about a too small
880 an array element type size compared to its alignment when the
883 2005-12-15 Jan Hubicka <jh@suse.cz>
886 * i386.c (classify_argument): Properly adjust offset of bitfield for
889 2005-12-15 Richard Sandiford <richard@codesourcery.com>
891 * final.c (final_scan_insn): Flip in_cold_section_p when changing
892 between the hot and cold sections. Use current_function_section
893 to get the new section.
894 * dwarf2out.c (output_line_info): Use in_cold_section_p to
895 determine whether we are assembling hot or cold code.
896 (secname_for_decl, dwarf2out_var_location): Likewise.
897 (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
898 * varasm.c (last_text_section): Delete.
899 (in_cold_section_p): New variable.
900 (hot_function_section): New function.
901 (current_function_section): Pass in_cold_section_p as the
902 reloc argument to select_section. Use it to decide between
903 unlikely_function_section and hot_function_section.
904 (assemble_start_function): Use switch_to_section. Set
905 in_cold_section_p instead of last_text_section.
906 (assemble_end_function): Use switch_to_section.
907 (switch_to_section): Don't set last_text_section.
908 * config/darwin/darwin.c (machopic_select_section): Trust the reloc
909 argument to make the right choice between hot and cold sections.
911 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
913 Second part of MS1->MT renaming
914 * config/mt/mt.md (doloop_end): Call mt_add_loop.
915 (movqi, movhi): Call mt_set_memflags.
916 (*movdf_internal): Call mt_split_words.
917 (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
919 (cmpsi): Store to mt_compare_op[01].
920 (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
921 bungt, bunle, bunlt): Call mt_emit_cbranch.
922 (prologue): Call mt_expand_prologue.
923 (epilogu): Call mt_expend_epilogue.
924 (eh_return): Call mt_expand_eh_return.
925 (eh_epilogue): Call me_emit_eh_epilogue.
926 (conditional_trap): Store to mt_compare_op[01].
927 * config/mt/crti.asm: Adjust comment.
928 * config/mt/crtn.asm: Adjust comment.
929 * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
930 (mt_compare_op0, mt_compare_op1): Renamed.
931 (current_frame_info, zero_frame_info): Adjust type.
932 (mt_ucmpsi3_libcall): Renamed.
933 (mt_flag_delayed_branch): Renamed.
934 (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
935 (mt_nops_required, mt_nop_reasons): Renamed.
936 (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
937 mt_debug_stack, mt_print_operand_simple_address,
938 mt_print_operand_address, mt_print_operand): Renamed, adjusted.
939 (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
940 mt_function_arg_advance, mt_arg_partial_bytes,
941 mt_pass_by_reference, mt_function_arg_boundary,
942 mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
943 mt_legitimate_address_p): Renamed, adjusted.
945 (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
946 mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
947 mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p,
948 mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
949 mt_expand_eh_return, mt_emit_eh_prologue,
950 mt_handl_interrupt_attribute): Renamed, adjusted.
951 (mt_attribute_table): Renamed, adjusted.
952 (mt_initial_elimination_offset, mt_generate_compare,
953 mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
954 mt_secondary_reload_class, mt_function_value, mt_split_words,
955 mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
956 mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
957 (mt_labels): Renamed.
958 (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
959 mt_machine_reorg): Renamed, adjusted.
960 (mt_attribute_table: Renamed.
961 (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
962 TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
963 TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
964 * config/mt/mt.opt (march): Set mt_cpu_string.
965 * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
966 (TARGET_CPU_CPP_BUILTINS): Adjust.
967 (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
969 (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
970 (MT_MIN_INT): Renamed.
971 (RETURN_ADDR_RTX): Adjust.
972 (struct mt_frame_info): Renamed.
973 (current_frame_info): Adjust type.
974 (INITIAL_ELIMINATION_OFFSET): Adjust.
975 (MT_NUM_ARG_REGS): Renamed.
976 (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
977 FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
978 LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
979 GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
980 FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
981 (mt_compare_op0, mt_compare_op1): Renamed.
982 * config/mt/mt-protos.h: Rename prototypes.
984 2005-12-15 Richard Guenther <rguenther@suse.de>
986 * tree-flow.h (okay_component_ref_for_subvars): Remove.
987 (get_ref_base_and_extent): Declare.
988 * tree-dfa.c (okay_component_ref_for_subvars): Remove.
989 (get_ref_base_and_extent): New function.
990 * tree-ssa-alias.c (find_used_portions): Use it.
991 * tree-ssa-structalias.c (get_constraint_for_component_ref):
993 * tree-ssa-operands.c (get_expr_operands): Likewise.
995 2005-12-15 Paolo Bonzini <bonzini@gnu.org>
997 * combine.c: Remove force_to_mode's fourth parameter.
998 (force_to_mode): Do not handle REG.
999 (canon_reg_for_combine): New.
1000 (make_field_assignment): Use it where the removed argument was non-NULL.
1002 2005-12-15 Alan Modra <amodra@bigpond.net.au>
1005 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
1006 error_mark_node. Make alignment params unsigned.
1007 * config/rs6000/rs6000-protos.h
1008 (rs6000_special_round_type_align): Update prototype.
1009 (rs6000_machopic_legitimize_pic_address): Remove arg names.
1011 2005-12-14 Ulrich Weigand <uweigand@de.ibm.com>
1013 PR rtl-optimization/25310
1014 * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
1015 of the eliminable register when substituting into a PLUS.
1017 2005-12-14 Jakub Jelinek <jakub@redhat.com>
1020 * config/i386/i386.c (ix86_force_to_memory): Always use
1021 SImode push for HImode in -m32.
1022 (ix86_free_from_memory): Likewise.
1024 2005-12-14 Richard Sandiford <richard@codesourcery.com>
1026 * gcc/config/arm/arm.md: Provide a big-endian version of the
1027 (zero_extend:SI (subreg:QI ...)) splitter.
1029 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
1031 * struct-equiv.c (note_local_live): Handle hard regs with different
1034 2005-12-14 Jeff Law <law@redhat.com>
1036 * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
1037 to a structure containing state rather than a pointer to bool.
1038 (case ARRAY_REF): New code to handle folding some array references.
1039 (case ADDR_EXPR): Note when we are processing expressions found
1040 within an ADDRE_EXPR.
1041 (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
1042 for state variables rather than just a pointer to a boolean.
1043 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1044 handling of constant string references.
1046 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
1048 * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
1049 ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
1050 ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
1051 Move other tst* patterns to retain partial order.
1053 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
1055 * config/s390/s390.md ("d0", "1"): New mode attributes.
1056 ("<shift>di3", "<shift>si3"): Merge.
1057 ("*<shift>di3_and", "*<shift>si3_and"): Merge.
1058 ("ashrdi3", "ashrsi3"): Merge.
1059 ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
1060 ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
1061 ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
1062 ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
1063 ("*ashrdi3", "*ashrsi3"): Merge.
1064 ("*ashrdi3_and", "*ashrsi3_and"): Merge.
1066 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
1068 * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
1069 ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
1070 ("*extendqidi2", "*extendqisi2") Merge.
1071 ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
1072 ("zero_extendhidi2", "zero_extendqidi2"): Merge.
1073 ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
1074 Move some patterns to retain partial ordering.
1076 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
1078 * config/s390/s390.md ("atype", "length"): Rewrite.
1079 ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
1081 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
1083 * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
1085 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
1087 * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
1088 PARALLELs with a mode.
1090 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
1092 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
1093 cond_expr parameter.
1095 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
1097 * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
1099 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
1103 * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
1106 * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
1108 2005-12-14 Jakub Jelinek <jakub@redhat.com>
1112 * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
1113 DECL_P, call get_section rather than get_named_section. Supply
1114 section flags to it.
1116 2005-12-14 Ben Elliston <bje@au.ibm.com>
1118 * c-common.c (c_common_truthvalue_conversion): Generalise warning
1119 for addresses converted to booleans; not just function addresses.
1120 * c-typeck.c (build_binary_op): Warn for address comparisons which
1121 can never be NULL (eg. func == NULL or &var == NULL).
1122 * common.opt (Walways-true): New option.
1123 * c-opts.c (c_common_handle_option): Set it with -Wall.
1124 * doc/invoke.texi: Document it.
1126 2005-12-13 Paul Brook <paul@codesourcery.com>
1128 * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
1129 __floatunsidf, __floatunsisf, __floatunsixf): New functions.
1131 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
1133 * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
1134 (EXTRA_MULTILIB_PARTS): Define.
1136 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
1138 PR rtl-optimization/20070 / part1
1139 * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
1140 count_or_remove_death_notes with kill == -1.
1141 (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
1142 registers if PROP_POST_REGSTACK is set.
1143 (mark_used_reg): Likewise.
1144 (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
1145 REG_UNUSED notes for stack regs.
1146 * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
1147 to match rtx_equiv_p machinery. Change caller.
1148 (outgoing_edges_match): Likewise.
1149 (try_crossjump_to_edge): Use struct_equiv_block_eq
1150 instead of flow_find_cross_jump.
1151 * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
1152 (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
1153 (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
1154 (STRUCT_EQUIV_MAX_LOCAL): Likewise.
1155 (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
1156 (insns_match_p): Update prototype.
1157 (flow_find_cross_jump): Remove prototype.
1158 (struct_equiv_block_eq, struct_equiv_init): Declare.
1159 (rtx_equiv_p, condjump_equiv_p): Likewise.
1160 * struct-equiv.c: Include reload.h.
1161 (IMPOSSIBLE_MOVE_FACTOR): Define.
1162 (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
1163 (struct_equiv_improve_checkpoint): Likewise.
1164 (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
1165 (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
1166 (struct_equiv_merge, find_dying_input): Likewise.
1167 (resolve_input_conflict, note_local_live): Likewise.
1168 (death_notes_match_p): Change parameters and processing
1169 to match rtx_equiv_p machinery. Change caller.
1170 (insns_match_p): Likewise.
1171 (flow_find_cross_jump): Replace with:
1172 (struct_equiv_block_eq).
1174 Back out this change:
1175 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
1176 * recog.c (verify_changes): Make it static.
1177 * recog.h: Remove the corresponding prototype.
1179 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
1181 * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
1184 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
1186 * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
1187 (MULTILIB_DIRNAMES): Add ms2. Prefix ms1 dirs with 'ms1'.
1188 * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
1189 TARGET_MS1_64_001 appropriately.
1190 (ms1_machine_reorg): Use TARGET_MS2.
1192 2005-12-13 Jakub Jelinek <jakub@redhat.com>
1196 * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
1197 and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
1198 Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
1199 * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
1200 Set mode to SI, adjust constraints.
1201 (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
1202 * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
1205 2005-12-13 Carlos O'Donell <carlos@codesourcery.com>
1207 * c-cppbuiltin.c (builtin_define_float_constants): Add
1208 fp_cast parameter, pass to builtin_define_with_hex_fp_value.
1209 Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
1210 (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
1211 (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
1212 to "((double)%sL)" otherwise "%s".
1214 2005-12-13 Paul Brook <paul@codesourcery.com>
1216 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
1219 2005-12-11 Rafael vila de Espndola <rafael.espindola@gmail.com>
1221 * tree-flow.h: Allow compilation with a C++ compiler.
1222 (struct edge_prediction): Prefix all field names with "ep_".
1223 * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
1224 (tree_predict_edge, combine_predictions_for_bb): Likewise.
1225 (remove_predictions_associated_with_edge): Likewise.
1227 2005-12-12 Jeff Law <law@redhat.com>
1229 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1231 * passes.c (init_optimization_passes): Run reassociation again
1232 after loop optimizations.
1234 2005-12-12 Daniel Berlin <dberlin@dberlin.org>
1236 * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
1238 (optimize_stmt): Ditto.
1239 (canonicalize_comparison): New function.
1240 * tree-ssa-operands.c (swap_tree_operands): Make external.
1241 (get_expr_operands): Stop auto-canonicalization.
1242 * tree-ssa-reassoc.c: Rewrite.
1243 (init_optimization_passes):
1244 * tree-flow.h (swap_tree_operands): Prototype.
1245 * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
1247 2005-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1249 * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
1250 indicate function epilogue has been output.
1251 (pa_asm_output_mi_thunk): Likewise.
1252 (output_deferred_plabels): Put plabels in readonly data section when
1253 not generating PIC code.
1254 (som_output_text_section_asm_op): Use .NSUBSPA to output debug
1255 information. Add assert.
1256 (som_output_comdat_data_section_asm_op): New function.
1257 (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
1258 instead of output_section_asm_op for COMDAT sections.
1260 2005-12-12 J"orn Rennecke <joern.rennecke@st.com>
1262 * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
1263 Fix whitespace in vincinity of to-be-installed changes.
1264 * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
1265 (insns_match_p): Likewise.
1267 2005-12-12 Nathan Sidwell <nathan@codesourcery.com>
1269 * config.gcc (ms1): Replace with ...
1271 * config/ms1: Rename to ...
1272 * config/mt: ... here. Rename ms1 files to mt.
1273 * config/mt/mt.c: Adjust gt-mt.h #include.
1274 * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
1275 (crti.o, crtn.o): Adjust file names.
1277 2005-12-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1279 * varray.h: Allow compilation with a C++ compiler.
1280 (union varray_data_tag): Prefix all field names with "vdt_".
1281 (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
1282 VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
1283 VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
1284 VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
1285 VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
1286 VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
1287 (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
1288 VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT,
1289 VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT,
1290 VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR,
1291 VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR,
1292 VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE,
1293 VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB,
1294 VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
1295 (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT,
1296 VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT,
1297 VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT,
1298 VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR,
1299 VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX,
1300 VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP,
1301 VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE,
1302 VARRAY_TOP_TREE_PTR): Likewise.
1303 * varray.c (varray_grow): Likewise.
1304 (varray_clear): Likewise.
1306 2005-12-12 Alan Modra <amodra@bigpond.net.au>
1309 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
1310 alignment to doubleword if the first field is a double array.
1311 * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
1313 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1315 * tree-ssa-structalias.c (process_constraint): Remove code to
1316 transform addressofs into scalar.
1317 (create_variable_info_for): In whole-program IPA, globals don't
1318 point to ANYTHING by default.
1320 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1322 * timevar.def (TV_IPA_PTA): New.
1323 * tree-pass.h (pass_ipa_pta): New
1324 * tree-ssa-structalias.c: Include cgraph.h
1326 (predbitmap_obstack): New.
1327 (EXECUTE_IF_IN_NONNULL_BITMAP): New.
1328 (struct constraint_stats): Add num_edges.
1329 (new_var_info): Don't call bitmap_clear.
1330 (struct constraint_edge): Update docs.
1331 (new_constraint_edge): Remove src param.
1332 (struct constraint_graph): Add zero_weight_succs,
1333 zero_weight_preds. Update docs.
1334 (constraint_expr_equal): Reformat.
1335 (constraint_edge_equal): Update for removal of src.
1336 (constraint_edge_less): Ditto.
1337 (constraint_edge_vec_find): Ditto.
1338 (erase_graph_self_edge): Update for removal of src and and zero
1340 (clear_edges_for_node): Ditto.
1341 (add_graph_edge): Ditto.
1342 (get_graph_weights): Ditto.
1343 (allocate_graph_weights): Ditto.
1344 (merge_graph_nodes): Ditto.
1345 (int_add_graph_edge): Ditto.
1346 (valid_graph_edge): Ditto.
1347 (valid_weighted_graph_edge): Ditto.
1348 (build_constraint_graph): Ditto.
1350 (collapse_nodes): Ditto.
1351 (process_unification_queue): Ditto.
1352 (topo_visit): Ditto.
1353 (solve_graph): Ditto.
1354 (do_structure_copy): Ditto.
1355 (perform_var_substitution): Ditto.
1356 Init and release obstack.
1357 (handle_ptr_arith): Try to resolve directly.
1358 (find_func_aliases): Don't call update_alias_info here
1359 Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
1360 (do_sd_constraint): Add code for propagating faster.
1362 (do_ds_constraint): Ditto.
1363 (count_num_arguments): New function.
1364 (create_function_info_for): Ditto.
1365 (create_variable_info_for): Handle FUNCTION_DECL.
1366 (intra_create_variable_infos): Use make_constraint_to_anything.
1367 (init_alias_vars): Init obstacks here.
1368 (need_to_solve): Handle zero weight graph changes.
1369 (compute_points_to_sets): Call update_alias_info here.
1370 (delete_points_to_sets): Free zero weight preds/succs here.
1371 (gate_ipa_pta): New.
1372 (ipa_pta_execute): New
1374 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1376 * tree-ssa-structalias.c (var_anyoffset): Removed.
1377 (anyoffset_tree): Ditto.
1378 (anyoffset_id): Ditto.
1379 (do_deref): Take vector of constraints, no return value.
1380 Update to work on vector.
1381 (get_constraint_for): Ditto.
1382 (get_constraint_for_component_ref): Ditto.
1383 (do_structure_copy): Ditto.
1384 (handle_ptr_arith): Ditto.
1385 (find_func_aliases): Ditto.
1386 (set_uids_in_ptset): Remove anyoffset handling.
1387 (init_base_vars): Ditto.
1389 2005-12-10 Mark Mitchell <mark@codesourcery.com>
1392 * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
1393 DECL_EXTERNAL functions have no bodies. Tidy.
1395 2005-12-10 Andreas Schwab <schwab@suse.de>
1397 * except.c (switch_to_exception_section): Only define if
1398 TARGET_UNWIND_INFO is not defined.
1400 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1402 * config/darwin.h (HAS_INIT_SECTION): Remove definition.
1403 (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
1405 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1407 * output.h (init_section, fini_section): Delete.
1408 * varasm.c (init_section, fini_section): Delete.
1409 (init_varasm_once): Don't initialize them.
1410 * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
1411 there are no corresponding varasm.c variables.
1413 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1415 * dwarf2out.c (default_eh_frame_section): Delete, moving handling
1416 of EH_FRAME_SECTION_NAME into...
1417 (switch_to_eh_frame_section): ...here. Try to set eh_frame_section
1418 if it is still null.
1419 * except.c (default_exception_section): Delete, moving most
1421 (switch_to_exception_section): ...this new function. Set
1422 exception_section if it is still null, then switch to it.
1423 (output_function_exception_table): Use switch_to_exception_section.
1424 * varasm.c (exception_section, eh_frame_section): Update comments.
1425 (get_section): Hoist use of SECTION_NAMED.
1426 (init_varasm_once): Don't set exception_section and eh_frame_section.
1427 * output.h (default_exception_section): Delete.
1428 (default_eh_frame_section): Delete.
1430 2005-12-09 Bernd Schmidt <bernd.schmidt@analog.com>
1432 * config/bfin/bfin.c: Include "cgraph.h".
1433 (bfin_load_pic_reg): Omit loading pic reg if in a local function.
1434 Return the reg that holds the pointer to the GOT.
1435 (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
1436 doing stack checking.
1438 2005-12-09 Diego Novillo <dnovillo@redhat.com>
1440 * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
1441 recompute_tree_invarant_for_addr_expr.
1442 Update uses everywhere.
1444 2005-12-09 Aldy Hernandez <aldyh@redhat.com>
1446 * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
1447 (MULTILIB_DIRNAMES): Define.
1449 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
1452 * config/s390/s390.c (struct s390_address): New field literal_pool.
1453 (s390_decompose_address): Compute literal_pool field. Do not
1454 assume register %r13 is always (and solely) used as pool base.
1455 (s390_extra_constraint_str): Use literal_pool field.
1457 2005-12-09 Thiemo Seufer <ths@networkno.de>
1459 * config/mips/mips.c (override_options): Don't allow too small
1460 integers in FP registers.
1462 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
1464 * config/s390/s390.c (s390_function_ok_for_sibcall): Use
1465 targetm.binds_local_p to check for local function calls.
1467 2005-12-09 Alan Modra <amodra@bigpond.net.au>
1470 * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1471 call_used_regs can't be used to save reg in another reg.
1473 2005-12-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1474 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1476 * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1478 * except.c (output_ttype): Likewise.
1479 * tree-object-size.c (collect_object_sizes_for): Likewise.
1480 (check_for_plus_in_loops_1): Likewise.
1481 (check_for_plus_in_loops): Likewise.
1482 (compute_object_sizes): Use gcc_unreachable instead of abort.
1484 2005-12-08 Nathan Sidwell <nathan@codesourcery.com>
1486 * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1487 (loop_end, loop_init, doloop_end): New insns.
1488 * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1489 (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1490 (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1491 (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1492 * config/ms1/ms1.c: #include basic-block.h
1493 (struct machine_function): Add has_loops field.
1494 (ms1_add_loop): New.
1495 (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1496 (struct loop_info, struct loop_work): New.
1497 (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1498 (ms1_reorg_loops): New loop optimization.
1499 (ms1_machine_reorg): Call it.
1500 * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1502 2005-12-08 Zdenek Dvorak <dvorakz@suse.cz>
1504 PR tree-optimization/25248
1505 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1506 evolution_of_loop from the failed attempt. Remove handling
1509 2005-12-08 Gabriel Dos Reis <gdr@integrable-solutions.net>
1511 * tree.h (DECL_EXTERNAL): Clarify documentation.
1513 2005-12-08 Andreas Krebbel <krebbel1@de.ibm.com>
1514 Jakub Jelinek <jakub@redhat.com>
1517 * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1518 argument. Don't drop outer ANDs.
1519 (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1520 * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1522 * config/s390/predicates.md (setmem_operand): Remove.
1523 (shift_count_operand): Rename to...
1524 (shift_count_or_setmem_operand): ... this. Adjust
1525 s390_decompose_shift_count caller.
1526 * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1527 ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1528 ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1529 <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1530 rotl<mode>3_and, setmem_long_and): New insns.
1531 (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1532 ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1533 <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1534 <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1535 of shift_count_operand.
1536 (setmem_long): Use shift_count_or_setmem_operand instead of
1539 2005-12-08 Daniel Jacobowitz <dan@codesourcery.com>
1540 Andreas Tobler <a.tobler@schweiz.ch>
1542 * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1545 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1547 * expr.c (force_operand): Use convert_to_mode for conversions.
1549 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1551 * reload.h (reg_equiv_invariant): Declare.
1552 * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1553 register also when reg_equiv_invariant[R] is set.
1555 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1556 Andreas Tobler <a.tobler@schweiz.ch>
1558 * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1560 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
1562 * tree-ssa-pre.c (bitmap_set_and): New function.
1563 (bitmap_set_and_compl): New function.
1564 (bitmap_set_empty_p): New function.
1565 (insert_extra_phis): New function.
1566 (compute_avail): Use insert_extra_phis.
1568 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
1570 * config/s390/s390.c (s390_expand_atomic): New function.
1571 Adjust comment of helper functions.
1572 * config/s390/s390-protos.h (s390_expand_atomic): Declare.
1573 * config/s390/s390.md ("ATOMIC"): New code macro.
1574 ("atomic"): Corresponding new code attribute.
1575 ("sync_lock_test_and_set[hq]i",
1576 "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1578 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
1580 * config/s390/s390.c (s390_expand_mask_and_shift,
1581 struct alignment_context, init_alignment_context,
1582 s390_expand_cs_hqi): New.
1583 * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1584 * config/s390/s390.md ("sync_compare_and_swaphi",
1585 "sync_compare_and_swapqi"): New pattern.
1587 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
1589 Fix PR tree-optimization/25291
1590 * tree-ssa-operands.c (add_call_clobber_ops): Remove
1591 redundant and crashing check.
1593 2005-12-08 Alan Modra <amodra@bigpond.net.au>
1596 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1597 tests further when !strict && reload_in_progress.
1598 (print_operand): Check that both operands of indexed address are regs.
1599 (print_operand_address): Likewise.
1600 * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1601 (INT_REG_OK_FOR_BASE_P): Correct.
1603 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1605 Preparation for PR rtl-optimization/20070 / part1
1606 * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1607 * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1608 outgoing_edges_match.
1609 (outgoing_edges_match): Use condjump_equiv_p.
1610 (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1612 * struct-equiv.c: New file.
1613 (death_notes_match_p) New function, broken out of insns_match_p.
1614 * Makefile.in (OBJS-common): Add struct-equiv.o.
1615 (struct-equiv.o): New target.
1617 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1619 * coretypes.h: Revert previous change.
1620 * config/darwin.h: Revert previous reversion.
1621 * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1623 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1625 * coretypes.h (section): Provide dummy definition for target files.
1626 * config/darwin.h: Revert previous change.
1628 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1630 * doc/sourcebuild.texi (all.build, install-normal): Remove.
1631 * configure.ac: Remove all.build and install-normal from target_list
1632 * configure: Regenerate.
1633 * Makefile.in (install): Don't depend on install-normal.
1635 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1637 * Makefile.in: Document the use of stamps.
1639 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1641 * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1642 * Makefile.in: Add code to compute some dependencies on s-gtype
1643 automatically. Remove the declaration of those dependencies.
1645 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1647 * gcc/reload.c (push_secondary_reload): Fix typo:
1648 s/insn_constraint/scratch_constraint/.
1650 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1652 * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1654 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1656 * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1657 (alpha_elf_select_rtx_section): Return the selected section rather
1658 than emitting assembly code.
1659 (alpha_write_linkage): Emit a ".link" directive directly and then
1660 set in_section to NULL.
1661 (vms_asm_out_constructor): Use switch_to_section.
1662 (vms_asm_out_destructor): Likewise.
1663 (unicosmk_output_common): Set in_section to NULL instead of calling
1664 the dummy common_section function.
1665 (unicosmk_text_section): Delete in favor of...
1666 (unicosmk_output_text_section_asm_op): ...this new function.
1667 (unicosmk_data_section): Delete in favor of...
1668 (unicosmk_output_data_section_asm_op): ...this new function.
1669 (unicosmk_init_sections): New function.
1670 (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1671 (unicosmk_output_ssib): Set in_section to NULL instead of calling
1672 the dummy ssib_section function.
1673 (unicosmk_section_buf): Delete.
1674 * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1675 (unicosmk_data_section): Delete.
1676 * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1677 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1678 (SECTION_FUNCTION_TEMPLATE): Delete.
1679 * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1680 (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1681 (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1682 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1683 (TARGET_ASM_INIT_SECTIONS): Define.
1684 * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1685 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1686 (link_section, literals_section): Delete.
1687 (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1688 set in_section to NULL.
1690 * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1691 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1692 (COMMON_SECTION): Delete.
1693 (TARGET_ASM_INIT_SECTIONS): Define.
1694 (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1695 the dummy common_section function.
1696 * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1697 * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1698 between readonly_data_section and text_section to check whether
1699 read-only data is being put in the text section.
1700 (arm_output_function_epilogue): Use switch_to_section.
1701 (arm_elf_asm_constructor): Likewise.
1702 (thumb_call_via_reg): Replace call to in_text_section with
1703 a comparison between in_section and text_section.
1704 (arm_file_end): Use switch_to_section.
1705 (aof_text_section): Delete in favor of...
1706 (aof_output_text_section_asm_op): ...this new function.
1707 (aof_data_section): Delete in favor of...
1708 (aof_output_data_section_asm_op): ...this new function.
1709 (aof_asm_init_sections): New function.
1710 (zero_init_section): Moved from config/arm/aof.h.
1711 (aof_dump_imports, aof_file_start): Use switch_to_section.
1712 * config/arm/arm.h (thumb_call_via_label): Update comment.
1713 * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1714 (common_section): Delete.
1715 * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1716 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1717 global switch_to_section function instead of the old port-local one.
1718 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1719 (SWITCH_TO_SECTION_FUNCTION): Delete.
1720 (drectve_section): Redefine as a macro.
1721 * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1722 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1725 * config/avr/avr.c (progmem_section): New variable.
1726 (avr_output_progmem_section_asm_op): New function.
1727 (avr_asm_init_sections): New function.
1728 (avr_output_addr_vec_elt): Use switch_to_section.
1729 * config/avr/avr.h (progmem_section): Declare.
1730 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1731 (READONLY_DATA_SECTION): Delete.
1732 (TARGET_ASM_INIT_SECTIONS): Define.
1733 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1734 * config/avr/avr-protos.h (progmem_section): Delete.
1736 * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1738 * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1739 (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1741 * config/darwin-sections.def: New file.
1742 * config/darwin.c: Define all sections in darwin-sections.def.
1743 (output_objc_section_asm_op, darwin_init_sections): New functions.
1744 (machopic_output_indirection): Use switch_to_section.
1745 (machopic_select_section): Return the selected section rather than
1746 emitting assembly code. Replace the static function table with
1747 inline conditional expressions. Update the tests of last_text_section
1748 and move them into the FUNCTION_DECL block.
1749 (machopic_select_rtx_section): Return the selected section rather than
1750 emitting assembly code.
1751 (machopic_asm_out_constructor, machopic_asm_out_destructor)
1752 (darwin_file_end): Use switch_to_section.
1753 * config/darwin.h: Use darwin-sections.def to declare sections.
1754 (INIT_SECTION_ASM_OP): Remove empty definition.
1755 (HAS_INIT_SECTION): Define this instead.
1756 (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1757 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1758 (TARGET_ASM_EH_FRAME_SECTION): Delete.
1759 (TARGET_ASM_INIT_SECTIONS): Define.
1760 * config/darwin-protos.h (darwin_init_sections): Declare.
1761 (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1762 (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1763 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1764 (constructor_section, destructor_section, mod_init_section): Delete.
1765 (mod_term_section): Delete.
1766 (darwin_exception_section, darwin_eh_frame_section): Delete.
1767 (machopic_select_section): Return a section.
1768 (machopic_select_rtx_section): Likewise.
1769 (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1770 (const_section, const_coal_section, const_data_section): Delete.
1771 (const_data_coal_section, data_coal_section, cstring_section): Delete.
1772 (literal4_section, literal8_section, constructor_section): Delete.
1773 (mod_init_section, mod_term_section, destructor_section): Delete.
1774 (objc_class_section, objc_meta_class_section, objc_category_section)
1775 (objc_class_vars_section, objc_instance_vars_section): Delete.
1776 (objc_cls_meth_section, objc_inst_meth_section): Delete.
1777 (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1778 (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1779 (objc_symbols_section, objc_module_info_section): Delete.
1780 (objc_image_info_section, objc_protocol_section): Delete.
1781 (objc_string_object_section, objc_constant_string_object_section)
1782 (objc_class_names_section, objc_meth_var_names_section): Delete.
1783 (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1784 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1785 (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1786 (darwin_exception_section, darwin_eh_frame_section): Delete.
1787 * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1789 * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1790 (frv_asm_out_destructor): Likewise.
1791 * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1792 (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1793 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1795 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1796 * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1797 (data_section): Delete.
1799 * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1800 (DRECTVE_SECTION_FUNCTION): Delete.
1801 (drectve_section): Redefine as a macro that sets in_section after
1802 emitting the directive.
1803 (SWITCH_TO_SECTION_FUNCTION): Delete.
1804 * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1805 in_text_section with comparison between in_section and text_section.
1806 * config/i386/i386.c (x86_64_elf_select_section): Return the section
1807 rather than emitting assembly code. Use get_named_section.
1808 (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1810 (machopic_output_stub): Use switch_to_section.
1811 * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1812 (nwld_named_section_asm_out_destructor): Use get_section and
1815 * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1816 rather than emitting assembly code.
1817 (ia64_rwreloc_select_section): Likewise.
1818 (ia64_rwreloc_select_rtx_section): Likewise.
1819 * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1820 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1822 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1823 (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1825 * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1826 section rather than emitting assembly code.
1827 (iq2000_select_section): Likewise.
1828 * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1829 (sbss_section): Delete.
1831 * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1832 and get_named_section.
1833 * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1835 * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1836 (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1837 (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1838 (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1840 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1841 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1842 global switch_to_section function instead of the old port-local one.
1843 * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1844 (SWITCH_SECTION_FUNCTION): Delete.
1845 * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1846 (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1847 (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1848 (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1850 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1851 global switch_to_section function instead of the old port-local one.
1852 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1854 * config/mips/mips.c (mips_file_start): Update comment.
1855 (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1856 (mips_output_aligned_decl_common): Use switch_to_section.
1857 (mips_select_rtx_section): Return the section rather than emitting
1858 assembly code. Use get_named_section.
1859 (mips_function_rodata_section: Likewise get_section.
1860 (build_mips16_function_stub): Use switch_to_section.
1861 * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1862 (SDATA_SECTION_ASM_OP): Delete.
1863 * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1864 (EXTRA_SECTION_FUNCTIONS): Delete.
1866 * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1867 (mmix_asm_output_aligned_local): Use switch_to_section.
1869 * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1870 (som_one_only_readonly_data_section): New variables.
1871 (pa_output_function_epilogue): Set in_section to NULL instead of
1872 calling forget_section.
1873 (output_deferred_plabels): Use select_section.
1874 (pa_asm_output_mi_thunk): Likewise. Set in_section to NULL instead
1875 of calling forget_section.
1876 (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1877 (pa_asm_output_aligned_local): Use select_section.
1878 (som_text_section_asm_op): Delete in favor of...
1879 (som_output_text_section_asm_op): ...this new function.
1880 (pa_som_asm_init_sections): New function.
1881 (pa_select_section): Return the section rather than emitting
1883 * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1884 (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1885 (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1886 (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1887 * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1888 (som_readonly_data_section, som_one_only_readonly_data_section)
1889 (som_one_only_data_section, forget_section): Delete.
1890 * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1891 (TARGET_ASM_INIT_SECTIONS): Define.
1892 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1894 * config/rs6000/rs6000.c (read_only_data_section): New variable.
1895 (private_data_section, read_only_private_data_section): New variables.
1896 (sdata2_section, toc_section): New variables.
1897 (rs6000_file_start): Use switch_to_section.
1898 (rs6000_assemble_integer): Use comparisons against in_section
1899 instead of calling in_toc_section and in_text_section. Use
1900 unlikely_text_section_p.
1901 (rs6000_elf_output_toc_section_asm_op): New function, derived
1902 from the old rs6000/sysv4.h toc_section function.
1903 (rs6000_elf_asm_init_sections): New function.
1904 (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1905 the section rather than emitting assembly code.
1906 (machopic_output_stub): Use switch_to_section.
1907 (toc_section): Delete dummy function.
1908 (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1909 switch_to_section and get_section.
1910 (rs6000_xcoff_output_readonly_section_asm_op): New function.
1911 (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1912 (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1913 the old rs6000/xcoff.h toc_section function.
1914 (rs6000_xcoff_asm_init_sections): New function.
1915 (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1916 the section rather than emitting assembly code.
1917 (rs6000_xcoff_file_start): Use switch_to_section.
1918 (rs6000_xcoff_file_end): Likewise.
1919 * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1920 (sdata2_section, sbss_section, private_data_section): Delete.
1921 (read_only_data_section, read_only_private_data_section): Delete.
1922 * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1923 (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1924 (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1925 (FINI_SECTION_FUNCTION): Delete.
1926 (TARGET_ASM_INIT_SECTIONS): Define.
1927 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1928 * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1929 (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1930 (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1931 (READONLY_DATA_SECTION): Delete.
1932 (TARGET_ASM_INIT_SECTIONS): Define.
1933 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. Set in_section
1934 to NULL rather than no_section.
1935 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1937 * config/sh/sh.c (sh_file_start): Use switch_to_section.
1939 * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1940 (sparc_output_deferred_case_vectors): Likewise. Remove argument
1941 from call to current_function_section.
1943 * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1944 (bss100_section): New variable.
1945 (xstormy16_asm_output_aligned_common): Use switch_to_section.
1946 (xstormy16_asm_init_sections): New function.
1947 (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1948 switch_to_section and get_section.
1949 (xstormy16_output_addr_vec): Use switch_to_section. Remove argument
1950 from calls to current_function_section.
1951 * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1952 (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1953 (TARGET_ASM_INIT_SECTIONS): Define.
1954 * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1956 * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1957 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1958 (FINI_SECTION_FUNCTION): Delete.
1960 * config/v850/v850.c: Include gt-v850.h.
1961 (rosdata_section, rozdata_section, tdata_section, zdata_section)
1962 (zbss_section): New variables.
1963 (v850_output_aligned_bss): Use switch_to_section.
1964 (v850_asm_init_sections): New function.
1965 (v850_select_section): Return the section rather than emitting
1967 * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1968 (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1969 (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1970 (TARGET_ASM_INIT_SECTIONS): Define.
1971 * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1972 (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1973 (zbss_section): Delete.
1975 * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1977 * config/vx-common.h (vxworks_exception_section): Delete.
1978 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1980 * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1981 section rather than emitting assembly code.
1982 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1985 * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1986 * coretypes.h (section): New union and typedef.
1987 * dbxout.c (FORCE_TEXT): Use switch_to_section. Remove argument
1988 from call to current_function_section.
1989 (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1990 (dbxout_symbol_location): Use switch_to_section.
1991 * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1992 most of the code into...
1993 (default_eh_frame_section): ...here. Return a section.
1994 (collect2_eh_frame_section): Delete, moving most of the code into..
1995 (switch_to_eh_frame_section): ...this new function.
1996 (debug_info_section, debug_abbrev_section, debug_aranges_section)
1997 (debug_macinfo_section, debug_line_section, debug_loc_section)
1998 (debug_pubnames_section, debug_str_section, debug_ranges_section): New
2000 (output_call_frame_info): Call switch_to_eh_frame_section instead of
2001 eh_frame_section. Use switch_to_section and get_section.
2002 (dwarf2out_begin_prologue): Use switch_to_section.
2003 (AT_string_form): Check the flags in debug_str_section instead of
2004 DEBUG_STR_SECTION_FLAGS.
2005 (output_comp_unit): Use switch_to_section, get_section, and
2007 (output_line_info, secname_for_decl): Use unlikely_text_section_p.
2008 (dwarf2out_begin_block): Use switch_to_section. Remove argument
2009 from call to current_function_section.
2010 (dwarf2out_var_location): Use unlikely_text_section_p.
2011 (dwarf2out_source_line): Use switch_to_section. Remove argument
2012 from call to current_function_section.
2013 (dwarf2out_start_source_file, dwarf2out_end_source_file)
2014 (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
2015 debug_macinfo_section.
2016 (dwarf2out_init): Initialize the new section variables. Use them
2017 instead of calls to named_section_flags. Use switch_to_section.
2018 (output_indirect_string): Use switch_to_section and debug_str_section.
2019 (dwarf2out_finish): Use switch_to_section and the new section
2021 * except.c (default_exception_section): Return the section instead
2022 of emitting assembly code.
2023 (output_function_exception_table): Use the global exception_section
2024 variable instead of the target hook. Use switch_to_section. Remove
2025 argument from call to current_function_section.
2026 * final.c (HAVE_READONLY_DATA_SECTION): Delete.
2027 (shorten_branches): Use pointer comparisons to detect whether the
2028 text section is the same as readonly_data_section.
2029 (profile_function): Use switch_to_section. Remove argument from
2030 call to current_function_section.
2031 (final_scan_insn): Likewise. Update use of last_text_section.
2032 * gengtype.c (open_base_files): Add an include of output.h.
2033 * output.h (text_section, data_section, readonly_data_section)
2034 (ctors_section, dtors_section, bss_section, init_section)
2035 (fini_section, sdata_section): Turn into section pointers.
2036 (in_text_section, in_unlikely_text_section, exports_section)
2037 (drectve_section, named_section, mergeable_string_section)
2038 (last_text_section_name): Delete.
2039 (default_exception_section, default_eh_frame_section): Return sections.
2040 (SECTION_DECLARED, SECTION_NAMED): New macros.
2041 (SECTION_MACH_DEP): Bump value.
2042 (section_common, named_section, unnamed_section): New structures.
2043 (unnamed_section_callback): New typedef.
2044 (section): New union.
2045 (sbss_section, exception_section, eh_frame_section): New variables.
2046 (in_section, last_text_section): Turn into section pointers.
2047 (get_unnamed_section, get_section, get_named_section): New functions.
2048 (mergeable_constant_section, function_section): Return a section.
2049 (unlikely_text_section): Likewise.
2050 (current_function_section): Likewise. Remove the decl argument.
2051 (unlikely_text_section_p, switch_to_section): New functions.
2052 (output_section_asm_op): New function.
2053 (set_named_section_flags, named_section_flags, named_section_real)
2054 (named_section_first_declaration): Delete.
2055 (default_select_section, default_elf_select_section): Return a section.
2056 (default_elf_select_section_1, default_function_rodata_section)
2057 (default_no_function_rodata_section, default_select_rtx_section)
2058 (default_elf_select_rtx_section): Likewise.
2059 * rtl.h (in_data_section): Delete.
2060 * sdbout.c (sdbout_one_type): Use switch_to_section.
2061 * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
2062 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
2063 (TARGET_ASM_EH_FRAME_SECTION): Poison.
2064 * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
2065 (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
2066 (TARGET_ASM_OUT): Update after above changes.
2067 * target.h (init_sections): New hook.
2068 (exception_section, eh_frame_section): Delete.
2069 (select_section, select_rtx_section, function_rodata_section): Return
2070 a section rather than emitting assembly code.
2071 * varasm.c (text_section, data_section, readonly_data_section)
2072 (ctors_section, dtors_section, bss_section, init_section)
2073 (fini_section): Turn into section pointers.
2074 (sdata_section, sbss_section, exception_section): New variables.
2075 (eh_frame_section): New variable.
2076 (in_section): Make global and turn into a section pointer.
2077 (last_text_section): Turn into a section pointer.
2078 (unnamed_sections): New variable.
2079 (in_named_name, last_text_section_name): Delete.
2080 (EXTRA_SECTION_FUNCTIONS): Delete.
2081 (in_named_entry): Delete.
2082 (section_htab): New variable, replacing...
2083 (in_named_htab): ...this deleted variable.
2084 (section_entry_eq, section_entry_hash): New functions, based on...
2085 (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
2086 (get_unnamed_section, get_section): New functions.
2087 (unlikely_text_section): Return a section instead of emitting
2089 (in_text_section, in_unlikely_text_section, in_data_section): Delete.
2090 (get_named_section_flags, named_section_first_declaration): Delete.
2091 (unlikely_text_section_p): New function.
2092 (named_section_real, named_section): Delete.
2093 (get_named_section): New function.
2094 (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
2095 (function_section): Return a section rather than emitting
2097 (current_function_section): Likewise. Remove argument. Use
2098 last_text_section if nonnull, otherwise use function_section.
2099 (default_function_rodata_section): Return a section rather than
2100 emitting assembly code. Use get_section.
2101 (default_no_function_rodata_section): Return a section rather than
2102 emitting assembly code.
2103 (variable_section): Use switch_to_section and get_named_section.
2104 (mergeable_string_section): Return a section rather than emitting
2105 assembly code. Use get_section. Make static. Don't take special
2106 countermeasures for empty strings.
2107 (mergeable_constant_section): Return a section rather than emitting
2108 assembly code. Use get_section.
2109 (default_named_section_asm_out_destructor): Use switch_to_section
2111 (default_dtor_section_asm_out_destructor): Use switch_to_section.
2112 (default_named_section_asm_out_constructor): Use switch_to_section
2114 (default_ctor_section_asm_out_constructor): Use switch_to_section.
2115 (assemble_start_function): Likewise. Set last_text_section to
2116 NULL rather than no_section. Change the type of save_section.
2117 (assemble_zeros, assemble_variable): Use the section flags to detect
2118 whether or not a section is text.
2119 (assemble_static_space): Use switch_to_section.
2120 (assemble_trampoline_template): Likewise.
2121 (output_constant_def_contents): Use switch_to_section and
2123 (output_constant_pool_1): Use switch_to_section. Use the section
2124 flags to see whether sections contain mergeable data.
2125 (init_varasm_once): Initialize section_htab instead of in_named_htab.
2126 Initialize new section variables. Call TARGET_ASM_INIT_SECTIONS.
2127 (default_elf_asm_named_section): Use SECTION_DECLARED to detect
2128 whether a section has already been declared.
2129 (default_select_section, default_elf_select_section): Return a
2130 section rather than emitting assembly code.
2131 (default_elf_select_section_1): Likewise. Use bss_section for
2132 SECCAT_BSS if nonnull. Use get_named_section.
2133 (default_select_rtx_section): Return a section rather than
2134 emitting assembly code.
2135 (default_elf_select_rtx_section): Likewise. Use get_named_section.
2136 (file_end_indicate_exec_stack): Use switch_to_section and get_section.
2137 (output_section_asm_op, switch_to_section): New functions.
2138 * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
2141 * doc/tm.texi: Expand the introduction to the sections documentation.
2142 (TRAMPOLINE_SECTION): Document new interface.
2143 (SDATA_SECTION_ASM_OP): Document new macro.
2144 (READONLY_DATA_SECTION): Delete.
2145 (SDATA_SECTION_ASM_OP): Document new macro.
2146 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2147 (TARGET_ASM_INIT_SECTIONS): Document new hook.
2148 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
2149 (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
2150 (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
2152 2005-12-07 Alan Modra <amodra@bigpond.net.au>
2154 * gcc.c (init_gcc_specs): Match braces inside conditionally
2157 2005-12-06 Geoffrey Keating <geoffk@apple.com>
2159 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
2161 2005-12-06 Aldy Hernandez <aldyh@redhat.com>
2164 * tree.c (integer_all_onesp): Always return true if all bits on.
2166 * testsuite/g++.dg/init/array0.C: New.
2168 2005-12-06 Adrian Straetling <straetling@de.ibm.com>
2170 * doc/md.texi: Adapt to implementation.
2172 2005-12-06 Andreas Schwab <schwab@suse.de>
2174 * opts.c (decode_options): Fix typo in message.
2176 2005-12-06 Alan Modra <amodra@bigpond.net.au>
2179 * longlong.h: Merge PPC tests from upstream.
2181 2005-12-06 Richard Guenther <rguenther@suse.de>
2183 * fold-const.c (fold_convert): Do not build and fold
2184 CONVERT_EXPR, but always use NOP_EXPR.
2186 2005-12-06 Jan Beulich <jbeulich@novell.com>
2188 * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
2189 __builtin_ia32_paddq and __builtin_ia32_subq.
2190 (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
2191 __builtin_ia32_pshufw.
2192 * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
2194 2005-12-05 James E Wilson <wilson@specifix.com>
2197 * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
2200 2005-12-05 Daniel Berlin <dberlin@dberlin.org>
2202 * print-tree.c (print_node): Ditto.
2203 * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
2204 * tree-dump.c (dequeue_and_dump): Check for decl_common structure
2205 before accessing DECL_ARTIFICIAL.
2206 Handle new tag tree codes.
2207 * tree-flow-inline.h (clear_call_clobbered): Update for tag
2209 (unmodifiable_var_p): Ditto.
2210 * tree-flow.h (mem_tag_kind): Remove.
2211 (struct var_ann_d): Remove mem_tag_kind member.
2212 * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
2213 * tree-pretty-print.c (dump_generic_node): Handle memory tags.
2214 * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
2215 (group_aliases): Ditto.
2216 (setup_pointers_and_addressables): Ditto.
2217 (is_escape_site): Ditto.
2218 (may_alias_p): Ditto.
2219 (create_tag_raw): New function.
2220 (create_memory_tag): Use it.
2221 (dump_alias_info): Update for tags.
2222 (may_be_aliased): Ditto.
2223 (add_type_alias): Ditto.
2224 (new_type_alias): Ditto.
2225 (create_sft): Ditto.
2226 (create_structure_vars): Ditto.
2227 * tree-ssa-ccp.c (get_default_value): Ditto.
2228 * tree-ssa-operands.c (get_expr_operands): Ditto.
2229 (add_stmt_operand): Ditto.
2230 (add_call_clobber_ops): Remove duplicated condition.
2231 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2233 * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
2234 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2235 * tree.c (init_ttree): Update structures for new tree codes.
2236 (tree_code_size): Update sizes for new tree codes.
2237 (make_node_stat): Don't try to set common things on minimal
2239 (tree_node_structure): Update for tags.
2240 (is_global_var): Ditto.
2241 * tree.def: Add new tree codes.
2242 * tree.h (MTAG_P): New macro.
2243 (TREE_MEMORY_TAG_CHECK): Ditto.
2244 (SSA_VAR_P): Update for tags.
2245 (struct tree_memory_tag): New structure.
2246 (MTAG_GLOBAL): New macro.
2247 (union tree_node): Add memory tag member.
2248 * treestruct.def (TS_MEMORY_TAG): New.
2250 2005-12-05 Dale Johannesen <dalej@apple.com>
2252 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match
2253 what was approved (PR 24323).
2255 2005-12-05 Gabriel Dos Reis <gdr@integrable-solutions.net>
2257 * doc/c-tree.texi (Function Bodies): Remove description of
2260 2005-12-05 Joseph S. Myers <joseph@codesourcery.com>
2262 * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
2263 __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
2264 __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
2265 __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
2266 __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
2267 __divxc3): Document.
2269 2005-12-05 Geoffrey Keating <geoffk@apple.com>
2271 * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
2273 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
2274 hook_bool_void_false.
2275 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2276 * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
2278 * config/darwin.c (machopic_select_section): It's not defined
2279 as weak if it's only marked as weak_import.
2281 * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
2284 * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
2285 A hidden weak object does bind locally. Strong linkonce data
2286 counts like any other strong symbol for binding.
2287 (weak_finish_1): Don't specially handle weakrefs, they no longer
2289 (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
2290 * c-common.c (handle_alias_attribute): Allow static aliases
2292 (handle_weakref_attribute): Don't call declare_weak on weakrefs.
2293 * gthr-dce.h: Make weakrefs static.
2294 * gthr-tpf.h: Likewise.
2295 * gthr-solaris.h: Likewise.
2296 * gthr-posix.h: Likewise.
2297 * gthr-posix95.h: Likewise.
2298 * config/darwin.c (darwin_encode_section_info): static weakref
2299 variables are not necessarily defined in this translation unit.
2300 * doc/extend.texi (Function Attributes): Mention that an alias
2301 attribute creates a definition for the thing it's attached to.
2302 Change the documentation for weakref to say that the thing
2303 it's attached to must be static.
2305 * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
2306 we don't go into an infinite loop.
2308 2005-12-05 Paolo Bonzini <bonzini@gnu.org>
2310 * config/rs6000/predicates.md (logical_const_operand): Split
2311 out of logical_operand.
2312 (logical_operand): Use it.
2313 * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
2314 logical_const_operand.
2316 2005-12-05 Jan Beulich <jbeulich@novell.com>
2318 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
2319 and IX86_BUILTIN_CMPNESS.
2320 (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
2321 * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
2322 * config/i386/i386.md (movti_internal): Correct type attribute.
2323 Simplify mode attribute.
2324 (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
2325 Correct type attribute.
2326 (absxf2): Correct operator.
2327 * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
2328 movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
2329 * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
2331 (sse2_vmsqrtv2df2): Correct mode attribute.
2333 2005-12-05 Jan Beulich <jbeulich@novell.com>
2335 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
2336 16 bits. Provide insn pattern for this case.
2338 2005-12-05 Jan Beulich <jbeulich@novell.com>
2340 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
2342 (__popcountDI2): Likewise.
2344 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2347 * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
2348 _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
2349 * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
2352 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
2354 * c-typeck.c (null_pointer_constant_p): New function.
2355 (build_conditional_expr, build_c_cast, convert_for_assignment,
2356 build_binary_op): Use it.
2358 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
2360 * c-common.c (binary_op_error): Do not allow NOP_EXPR.
2361 (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
2363 (check_function_arguments_recurse): Allow both NOP_EXPR and
2364 CONVERT_EXPR but check conversions preserve precision.
2365 * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
2366 but check conversions preserve precision.
2367 (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in
2370 2005-12-04 Roger Sayle <roger@eyesopen.com>
2373 * common.opt (Wstring-literal-comparison): New command line option.
2374 * c-opts.c (c_common_handle_option): Set it with -Wall.
2375 * c-typeck.c (parser_build_binary_op): Issue warning if either
2376 operand of a comparison operator is a string literal, except for
2377 testing equality or inequality against NULL.
2379 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
2381 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
2383 * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
2384 of building a NOP_EXPR.
2385 (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as
2387 * c-convert.c (convert): Use fold_convert instead of building
2388 NOP_EXPRs and CONVERT_EXPRs directly. Don't special case
2389 c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove
2391 * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
2392 NOP_EXPR the same as CONVERT_EXPR.
2393 * c-typeck.c (build_function_call): Use fold_convert instead of
2394 building a NOP_EXPR directly.
2395 (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
2397 2005-12-03 Alan Modra <amodra@bigpond.net.au>
2399 PR rtl-optimization/25197
2400 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
2403 2005-12-02 Stuart Hastings <stuart@apple.com>
2405 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
2408 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
2410 * c-typeck.c (default_function_array_conversion,
2411 build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
2412 (build_conditional_expr): Apply integer_zerop to orig_op1 and
2413 orig_op2. Don't check them for NOP_EXPR.
2414 (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
2415 around integer zero.
2417 2005-12-03 Alan Modra <amodra@bigpond.net.au>
2419 * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
2420 toc_save_offset, toc_size, lr_size.
2421 (rs6000_stack_info): Use memset rather than bss struct copy to init.
2422 Test rs6000_ra_ever_killed last in condition setting lr_save_p.
2423 Adjust for removal of unused rs6000_stack_t fields.
2424 (debug_stack_info): Adjust.
2425 (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls
2426 first, and don't bother checking for set/inc of lr on sibcalls.
2427 (rs6000_emit_epilogue): Tidy code restoring stack pointer.
2429 2005-12-02 Jakub Jelinek <jakub@redhat.com>
2432 * config/i386/i386.md (movqi_1): Only force imovx for alternative
2433 5 if operand 1 is not aligned. Undo previous constraint change.
2434 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
2436 2005-12-02 Richard Guenther <rguenther@suse.de>
2438 * tree.h (build): Remove prototype.
2439 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
2440 * tree.c (build): Remove.
2441 (build0_stat): Update comment.
2443 2005-12-02 Richard Guenther <rguenther@suse.de>
2445 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
2446 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
2448 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
2449 maybe_fold_offset_to_component_ref): Likewise.
2450 * tree-ssa-dom.c (thread_across_edge,
2451 simplify_rhs_and_lookup_avail_expr,
2452 find_equivalent_equality_comparison, record_equivalences_from_stmt):
2454 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
2455 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
2456 lower_try_finally_switch): Likewise.
2457 * tree-if-conv.c (add_to_dst_predicate_list,
2458 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2459 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2460 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2461 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2462 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2463 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2464 gimplify_init_ctor_eval, gimplify_init_constructor,
2465 gimplify_variable_sized_compare, gimplify_boolean_expr,
2466 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2467 gimplify_expr, gimplify_body, gimplify_function_tree,
2468 force_gimple_operand): Likewise.
2469 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2470 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2471 mx_register_decls): Likewise.
2472 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2473 get_frame_field, finalize_nesting_tree_1): Likewise.
2474 * tree-inline.c (setup_one_parameter): Likewise.
2475 * tree-vect-transform.c (vectorizable_condition): Likewise.
2476 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2478 * tree-profile.c (tree_gen_edge_profiler): Likewise.
2479 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2480 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2481 * tree-chrec.h (build_polynomial_chrec): Likewise.
2483 2005-12-02 Richard Guenther <rguenther@suse.de>
2485 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2486 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2487 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2488 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2489 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2490 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2491 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2493 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2494 sh_adjust_unroll_max): Likewise.
2495 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2496 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2497 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2499 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2501 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2504 2005-12-02 Richard Guenther <rguenther@suse.de>
2506 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2507 simplify_cond_using_ranges): Use buildN instead of build.
2508 * tree-tailcall.c (adjust_accumulator_values,
2509 adjust_return_value): Likewise.
2510 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
2511 generate_element_copy, generate_element_zero,
2512 generate_one_element_init): Likewise.
2513 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2514 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2515 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2516 perfect_nestify): Likewise.
2518 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2520 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
2522 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
2524 * ggc.h (GGC_RESIZEVEC): New.
2526 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2528 * gcc.c (execute): Improve readability.
2530 2005-12-02 Richard Guenther <rguenther@suse.de>
2532 * tree-cfg.c (mark_used_vars): New function.
2533 (dump_function_to_file): Dump only used VAR_DECLs.
2535 2005-12-02 Richard Guenther <rguenther@suse.de>
2537 * convert.c (convert_to_integer): Fix compare for nonpositive
2538 constant to use tree_int_cst_sgn <= 0.
2540 2005-12-02 Richard Guenther <rguenther@suse.de>
2542 * convert.c (convert_to_integer): Use fold_convert instead
2543 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
2544 instead of comparing against 0. Use build_int_cst instead
2545 of converting integer_zero_node.
2547 2005-12-02 Richard Guenther <rguenther@suse.de>
2549 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2552 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2555 * combine.c (simplify_logical <IOR>): Simplify more patterns to
2558 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2561 * function.c (expand_function_end): Emit blockage for unwinder
2564 2005-12-01 Roger Sayle <roger@eyesopen.com>
2566 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2567 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2568 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2569 integer constant comparisons.
2571 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
2572 Janis Johnson <janis187@us.ibm.com>
2573 David Edelsohn <dje@watson.ibm.com>
2574 Ben Elliston <bje@au.ibm.com>
2576 * dfp.h, dfp.c: New files.
2577 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2578 (DECNUM_H): Likewise.
2579 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2580 (INCLUDES): Append $(DECNUMINC).
2581 (OBJS-common): Add dfp.o.
2583 * real.h (EXP_BITS): Pinch one bit to ..
2584 (struct real_value): Add decimal field.
2585 (real_format): Change table size, update documentation.
2586 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
2587 (real_from_string3): Declare.
2588 (decimal_single_format): Declare.
2589 (decimal_double_format): Declare.
2590 (decimal_quad_format): Declare.
2591 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
2592 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
2593 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
2594 * real.c: Include dfp.h.
2595 (normalize): Early return for decimal floats.
2596 (do_add): Zero decimal field.
2597 (do_compare): Call do_decimal_compare for decimal floats.
2598 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2599 (real_arithmetic): Call decimal_real_arithmetic for decimal
2600 floating point operands.
2601 (real_identical): If a and b are of differing radix, return false.
2602 (real_to_integer): Call decimal_real_to_integer if the value is a
2604 (real_to_integer2): Likewise, call decimal_real_to_integer2.
2605 (real_to_decimal): Likewise, call decimal_real_to_decimal.
2606 (real_to_hexadecimal): Place "N/A" in the return string for
2608 (real_from_string3): New variant, given a mode.
2609 (real_maxval): Use decimal_real_maxval for decimal floats.
2610 (round_for_format): Use decimal_round_for_format for decimals.
2611 (real_convert): Use decimal_real_convert where appropriate.
2612 (significand_size): Handle base 10.
2613 (encode_decimal_single, decode_decimal_single,
2614 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2615 decode_decimal_quad): New functions.
2616 (decimal_single_format): New.
2617 (decimal_double_format): New.
2618 (decimal_quad_format): New.
2619 * machmode.def: Add SD, DD and TD decimal floating point modes.
2620 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2621 Include MODE_DECIMAL_FLOAT.
2622 (DECIMAL_FLOAT_MODE_P): New.
2623 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2624 * genmodes.c (struct mode_data): Add counter field.
2625 (struct mode_data): Update comment for format.
2626 (blank_mode): Initialise counter field.
2627 (new_mode): Increment counter field for each mode defined.
2628 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2630 (make_complex_modes): Handle modes containing `D'.
2631 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2632 (make_decimal_float_mode): New.
2633 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2634 (cmp_modes): Compare counter field if other characteristics
2636 (emit_real_format_for_mode): Support formats for decimal floats.
2637 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2638 Document MODE_DECIMAL_FLOAT.
2640 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2642 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2645 2005-12-01 Richard Henderson <rth@redhat.com>
2647 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2649 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2651 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2653 * config/pa/pa.c (pa_init_builtins): If we detect
2654 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2657 2005-12-01 Richard Guenther <rguenther@suse.de>
2659 * fold-const.c (fold_binary): Use fold_build2, not
2662 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
2664 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2666 * vec.h (VEC_block_remove): New.
2668 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
2671 * c-common.c (lvalue_error): Fix wording.
2673 2005-12-01 Richard Guenther <rguenther@suse.de>
2675 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2676 thinko in last patch.
2678 2005-12-01 Geoffrey Keating <geoffk@apple.com>
2680 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2681 than -flat_namespace.
2683 2005-12-01 Ben Elliston <bje@au.ibm.com>
2685 * mklibgcc.in: Parameterise the script to build soft float
2686 functions by iterating over each type, rather than cloning the
2689 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2692 * builtins.c (fold_builtin_fputs): Defer check for missing
2693 replacement functions.
2695 2005-11-30 Kean Johnston <jkj@sco.com>
2697 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2698 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2700 2005-11-30 Richard Guenther <rguenther@suse.de>
2702 PR tree-optimization/22501
2703 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2704 function split out from ...
2705 (forward_propagate_addr_expr): ... here. Use it to propagate
2706 ADDR_EXPRs to all uses.
2708 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2710 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2711 * builtins.c (expand_builtin_mathfn): Use them.
2712 (expand_builtin_mathfn_2): Likewise.
2713 (expand_builtin_mathfn_3): Likewise.
2714 (expand_builtin_int_roundingfn): Likewise.
2715 (expand_builtin): Likewise.
2716 (integer_valued_real_p): Likewise.
2717 (fold_builtin_int_roundingfn): Likewise.
2718 (fold_builtin_bitop): Likewise.
2719 (fold_builtin_logarithm): Likewise.
2720 (fold_builtin_1): Likewise.
2721 * convert.c (convert_to_integer): Likewise.
2722 * fold-const.c (negate_mathfn_p): Likewise.
2723 (tree_expr_nonnegative_p): Likewise.
2725 2005-11-30 Dale Johannesen <dalej@apple.com>
2726 Andrew Pinski <pinskia@physics.uc.edu>
2728 * combine.c (find_split_point): Sign extend bitmask
2729 when changing bitfield assignment to IOR of AND.
2731 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2733 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2734 clobber to scratch reg.
2735 (*decrement_and_branch_until_zero_no_clobber): Remove.
2736 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2737 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2738 * config/ms1/ms1.opt (mmul): Remove.
2739 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2740 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2742 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2743 Bernd Schmidt <bernd.schmidt@analog.com>
2745 * pa/predicates.md (symbolic_operand): Add comment.
2746 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2747 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2748 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2749 (pa_secondary_reload_class): Delete.
2750 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2751 and pa_secondary_reload_class. Reorder some checks. Update inline
2752 copy of symbolic operand.
2753 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2755 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2757 * loop-doloop.c (add_test): Only add jump notes if we did emit a
2760 2005-11-30 Jeff Law <law@redhat.com>
2762 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2763 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2765 2005-11-30 Jakub Jelinek <jakub@redhat.com>
2767 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2768 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2769 (ia64_expand_move): Adjust caller.
2771 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2772 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2775 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
2777 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2778 Always produce an output if we can remove NEGs or canonicalize
2779 (minus (minus ...)) expressions. Provide a fast path for the
2781 (simplify_gen_binary): Do not call simplify_plus_minus.
2782 (simplify_binary_operation_1): Reassociate at the end of the
2785 2005-11-29 Evan Cheng <evan.cheng@apple.com>
2787 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2788 moves and unpack to speed up.
2790 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
2792 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2793 argument, they are always sparc_compare_op0 and sparc_compare_op1.
2794 (gen_v9_scc): Update callers.
2795 * config/sparc/sparc.md: Likewise.
2796 * config/sparc/sparc-protos.h: Update extern declaration.
2798 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2800 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2802 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2805 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2807 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2808 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2809 (negate_expr): Here.
2811 2005-11-29 Ben Elliston <bje@au.ibm.com>
2813 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2814 Fix typo in comment.
2816 2005-11-29 Ben Elliston <bje@au.ibm.com>
2818 * Makefile.in (clean-target): Depend on clean-target-libgcc.
2819 (clean-target-libgcc): Import rule from the top-level Makefile.in.
2821 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2825 * builtins.c (init_target_chars): New.
2826 (expand_builtin_printf, expand_builtin_fprintf,
2827 expand_builtin_sprintf, fold_builtin_sprintf,
2828 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2829 fold_builtin_snprintf_chk, fold_builtin_printf,
2830 fold_builtin_fprintf): Check for matching format strings using
2833 2005-11-29 Paul Brook <paul@codesourcery.com>
2835 * config.gcc: Do not use fixproto on m68k-elf.
2837 2005-11-28 Roger Sayle <roger@eyesopen.com>
2839 * expmed.c (div_cost): Replace with...
2840 (sdiv_cost, udiv_cost): New.
2841 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2842 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2843 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2844 (expand_divmod): Replace use of div_cost with either sdiv_cost
2845 or udiv_cost depending upon the signedness of the operation.
2847 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2850 * config/darwin.c (machopic_indirection_name,
2851 machopic_output_indirection): Follow transparent alias chain.
2853 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2855 * varasm.c (ultimate_transparent_alias_target): Add comment.
2857 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
2859 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2860 SET_SRC instead of XEXP where appropriate.
2862 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2864 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2867 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2869 * config/fp-bit.h (LSHIFT): Take shift count parameter.
2870 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2873 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
2875 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2876 secondary_input_reload_class, made static. Adapt to new
2878 (secondary_output_reload_class): Delete.
2879 (TARGET_SECONDARY_RELOAD): New macro.
2880 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2881 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2883 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
2886 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
2887 when its natural alignment is > BITS_PER_UNIT.
2888 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2889 * c-common.c (handle_packed_attribute): Ignore packing on a field
2890 whose type is naturally char aligned.
2892 2005-11-28 Richard Guenther <rguenther@suse.de>
2894 * c-common.c (strict_aliasing_warning): Handle all
2895 component-ref like accesses.
2897 2005-11-28 Roger Sayle <roger@eyesopen.com>
2898 Uros Bizjak <uros@kss-loka.si>
2901 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2902 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2903 when flag_unsafe_math_optimizations is set and
2904 we don't care about NaNs or Infinities.
2906 Move x/expN(y) and x/pow(y,z) transformation into common
2907 flag_unsafe_math_optimizations section.
2909 2005-11-27 Mark Mitchell <mark@codesourcery.com>
2911 * gcc.c (main): Change type of argv to "char **".
2913 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2915 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2916 small data sections.
2917 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2918 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2919 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2920 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
2921 output locals to sbss if !rs6000_elf_in_small_data_p.
2922 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2924 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2927 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2928 generated by reload.
2929 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2930 indexed_or_indirect_address.
2931 (indexed_or_indirect_address): Don't test for base reg. Call
2932 address_operand last. Make it a special predicate.
2934 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
2936 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2938 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
2941 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2943 (negate_expr): Likewise.
2945 2005-11-27 Andreas Schwab <schwab@suse.de>
2947 * config/m68k/m68k.c: Reindent and fix whitespace, remove
2950 2005-11-27 Steven Bosscher <stevenb@suse.de>
2952 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2953 has EH predecessor edges.
2955 2005-11-26 Eric Christopher <echristo@apple.com>
2957 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2958 register stalls by zero extending to the full register.
2960 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
2962 * config/floatunsisf.c, config/floatunsidf.c,
2963 config/floatunsixf.c, config/floatunsitf.c: New files.
2964 * config/ia64/t-hpux: Add floatunsitf.c.
2965 * config/ia64/ia64.c (ia64_init_libfuncs): Use
2966 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2968 2005-11-26 Richard Henderson <rth@redhat.com>
2970 * c-lex.c (pragma_lex): Rename from c_lex.
2971 * c-pch.c: Update for pragma_lex rename.
2972 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2973 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2974 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2975 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2976 * doc/tm.texi: Likewise.
2978 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
2981 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2982 when overflow is undefined.
2984 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
2986 * doc/md.texi (Insn Canonicalizations): Refer to the
2987 function commutative_operand_precedence for further rules.
2989 2005-11-25 Roger Sayle <roger@eyesopen.com>
2992 * expmed.c (choose_mult_variant): Return immediately when mult_cost
2993 is less than zero. Limit mult_cost to a reasonable upper bound for
2994 the synthetic multiplication sequence.
2996 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2999 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3000 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
3001 Lookup the explicit replacement functions for any unlocked
3002 stdio builtin transformations.
3004 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
3006 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
3008 * targhooks.c (default_secondary_reload): Don't require operand 2
3009 for an input reload to be earlyclobber.
3011 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3013 * fold-const.c (negate_mathfn_p): Fix comment and add support
3014 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
3017 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
3020 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
3021 _Q_ulltoq for unsigned conversions from SImode and DImode to
3024 2005-11-25 Alan Modra <amodra@bigpond.net.au>
3026 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
3027 (__floatundidf, __floatundisf): Likewise.
3029 2005-11-25 David Edelsohn <edelsohn@gnu.org>
3031 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
3032 (rs6000_override_options): Remove initialization of
3033 rs6000_sr_alias_set.
3034 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
3035 (rs6000_emit_stack_tie): Same.
3036 (emit_frame_save): Same.
3037 (gen_frame_mem_offset): Same.
3038 (rs6000_emit_prologue): Same.
3039 (rs6000_emit_epilogue): Same.
3041 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
3044 * fold-const.c (fold_build): Convert bool_var != 1 and
3045 bool_var == 0 to !bool_var.
3047 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
3050 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
3051 for C being INTEGER_CST. Likewise for !=.
3053 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
3056 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
3057 unsigned conversions from SImode to TFmode.
3059 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
3061 * expr.c (expand_expr_real_1): Fix error in last change.
3063 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
3065 * caller-save.c: (this_insn_sets): Move into:
3066 (save_call_clobbered_regs).
3067 (mark_set_regs): Get this_insn_sets from data.
3069 (save_call_clobbered_regs): Take sets of the return value by
3070 sibcalls into account.
3072 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
3075 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
3076 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
3077 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
3078 (memory_move_secondary_cost, init_reg_autoinc): Remove
3079 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
3080 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
3081 secondary_reload_class call.
3082 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
3084 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
3085 (push_secondary_reload): Use secondary_reload target hook.
3086 (secondary_reload_class, scratch_reload_class): New functions.
3087 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
3088 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
3089 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
3090 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
3091 (secondary_reload_class, scratch_reload_class): Declare.
3092 * reload1.c: Include target.h.
3093 (reload_adjust_reg_for_temp): New function.
3094 (reload_adjust_reg_for_icode): Likewise.
3095 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
3096 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
3098 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
3099 for inheritance. Support case when both secondary & tertiary reloads
3100 are for intermediate registers.
3101 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
3102 with secondary_reload_class call. Support case when both secondary
3103 & tertiary reloads are for intermediate registers.
3104 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
3105 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
3106 * target.h (secondary_reload_info): New struct / typedef.
3107 (struct gcc_target): New member secondary_reload.
3108 * targhooks.c Include reload.h, optabs.h and recog.h.
3109 (default_secondary_reload): New function.
3110 * targhooks.h (default_secondary_reload): Declare.
3111 * doc/tm.texi: Document secondary_reload target hook. Update
3112 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
3113 * doc/md.texi: Likewise.
3115 * sh-protos.h (sh_secondary_reload): Declare.
3116 * sh.c (TARGET_SECONDARY_RELOAD): Override.
3117 (sh_secondary_reload): New function.
3118 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
3119 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
3120 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
3121 (HAVE_SECONDARY_RELOADS): Define.
3122 * sh.md (reload_indf): Rename to:
3124 (reload_outdf): Rename to:
3125 (reload_outdf__RnFRm).
3126 (reload_insf): Rename to:
3128 (reload_insi): Rename to:
3129 (reload_insi__i_fpul).
3131 2005-11-24 Uros Bizjak <uros@kss-loka.si>
3133 * configure.ac: Require at least texinfo 4.4.
3134 * configure: Regenerate.
3136 * doc/install.texi (Tools/packages necessary for building GCC):
3137 Update required version of texinfo to at least 4.4.
3138 (Installing GCC: Building): Update required version of texinfo
3140 (Installing GCC: Final installation): Update required version
3141 of texi2dvi to at least 4.4.
3142 (Host/target specific installation notes for GCC): Update required
3143 version of texinfo to at least 4.4.
3145 2005-11-24 Richard Guenther <rguenther@suse.de>
3146 Dirk Mueller <dmueller@suse.de>
3149 * c-common.h (strict_aliasing_warning): Declare.
3150 * c-common.c (strict_aliasing_warning): New function,
3152 * c-typeck.c (build_c_cast): ... here.
3154 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
3156 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3158 (swap_commutative_operands_with_target): New.
3160 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
3162 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
3163 also when doing PRE, rather than only for global CPROP.
3165 2005-11-24 Ben Elliston <bje@au.ibm.com>
3167 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
3168 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
3170 (expand_twoval_unop): Likewise.
3171 (widen_clz): Likewise.
3172 (expand_parity): Likewise.
3173 (expand_unop): Likewise.
3174 (emit_cmp_and_jmp_insn_1): Likewise.
3175 (prepare_float_lib_cmp): Likewise.
3177 2005-11-24 Ben Elliston <bje@au.ibm.com>
3179 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
3180 Remove unused `class' variable.
3182 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
3185 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
3186 C/C++ diagnostic function warn_array_subscript_with_type_char.
3187 * c-common.h (warn_array_subscript_with_type_char): Declare.
3188 * c-common.c (warn_array_subscript_with_type_char): Define.
3190 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
3193 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
3194 compiling at the intersection of C and C++.
3196 2005-11-23 Mark Mitchell <mark@codesourcery.com>
3198 * doc/invoke.texi: For man pages, include gcc-vers.texi.
3199 List @file in the option summary. Include the libiberty
3200 documentation for @file.
3201 * gcc.c (main): Call expandargv.
3202 * Makefile.in (gcc-vers.texi): Define srcdir.
3204 2005-11-23 Diego Novillo <dnovillo@redhat.com>
3206 * passes.c (init_optimization_passes): Document
3207 sequencing of passes.
3209 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
3211 * config/m68k/predicates.md (pcrel_address, extend_operator,
3212 post_inc_operand, pre_dec_operand): Remove redundant
3214 (const_uint32_operand, const_sint32_operand): Use gcc_assert
3216 (valid_dbcc_comparison_p): Rewrite in the lisp style.
3218 2005-11-23 Ben Elliston <bje@au.ibm.com>
3220 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
3222 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
3224 Preparatory work for PR target/21623:
3225 * alpha.c (secondary_reload_class): Rename to:
3226 (alpha_secondary_reload_class).
3227 * alpha.h, alpha-protos.h: Likewise.
3228 * mn10300.c (secondary_reload_class): Rename to:
3229 (mn10300_secondary_reload_class).
3230 * mn10300.h, mn10300-protos.h: Likewise.
3231 * pa.c (secondary_reload_class): Rename to:
3232 (pa_secondary_reload_class).
3233 * pa.h, pa-protos.h: Likewise.
3234 * rs6000.c (secondary_reload_class): Rename to:
3235 rs6000_secondary_reload_class.
3236 * rs6000.h, rs6000-protos.h: Likewise.
3238 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
3241 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
3243 2005-11-22 Ian Lance Taylor <ian@airs.com>
3245 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
3247 (prepare_cmp_insn): Likewise.
3249 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
3252 * m68k.md (zero_extendsidi2): Force operands[1] to a register
3253 if both operands[0] and operands[1] are memory.
3255 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
3258 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
3259 COMPARISON_CLASS_P and an integral types create create a new
3260 expression with the new type and fold that.
3262 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
3265 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
3266 to SUBTARGET_OS_CPP_BUILTINS.
3268 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
3270 * arm.c (emit_set_insn): New function.
3271 (arm_split_constant): Call it.
3272 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
3273 (arm_legitimize_address): Likewise. Use plus_constant.
3274 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
3275 (thumb_expand_prologue): Likewise.
3276 (arm_gen_load_multiple): Use VOIDmode in SET.
3277 (arm_gen_store_multiple): Likewise.
3278 (vfp_emit_fstmx): Likewise. Use plus_constant.
3279 (emit_multi_reg_push): Likewise.
3280 (emit_sfm): Use plus_constant.
3282 2005-11-23 Alan Modra <amodra@bigpond.net.au>
3285 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
3288 2005-11-22 Alan Modra <amodra@bigpond.net.au>
3291 * expmed.c (store_bit_field): Don't attempt to insv a field
3292 larger than the reg.
3294 2005-11-22 Alan Modra <amodra@bigpond.net.au>
3297 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
3298 explicit sign extension, not a (char) cast.
3300 2005-11-22 Ben Elliston <bje@au.ibm.com>
3302 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
3303 GET_MODE_CLASS (x) == MODE_FLOAT.
3304 * config/i386/i386.c: Likewise.
3305 * config/rs6000/xcoff.h: Likewise.
3306 * config/rs6000/linux64.h: Likewise.
3307 * config/rs6000/rs6000.c: Likewise.
3308 * config/rs6000/rs6000.h: Likewise.
3309 * config/rs6000/predicates.md: Likewise.
3310 * config/rs6000/sysv4.h: Likewise.
3312 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3314 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
3317 * config/alpha/freebsd.h, config/alpha/linux.h,
3318 config/arm/linux-elf.h, config/bfin/bfin.h,
3319 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
3320 config/i386/beos-elf.h, config/i386/gnu.h,
3321 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
3322 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
3323 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
3324 config/rs6000/linux64.h, config/rs6000/sysv4.h,
3325 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
3326 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
3327 config/sparc/linux.h, config/sparc/linux64.h,
3328 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
3330 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
3331 are both defined when either flag -fpic or -fPIC are used.
3333 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
3335 * config/fp-bit.c (clzusi): New function.
3336 (si_to_float, usi_to_float): Use it to compute proper shift.
3337 (usi_to_float): Preserve guard bits when shifting right.
3338 * libgcc-std.ver (GCC_4.2.0): New version.
3339 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
3340 __floatundisf): New functions.
3341 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
3342 __floatundisf): Declare.
3343 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
3344 _floatundixf, and _floatunditf.
3345 * optabs.c (expand_float): If target does not define a pattern for
3346 signed or unsigned conversion, use an unsigned libcall instead of
3348 (init_optabs): Initialize ufloat_optab.
3350 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
3352 * config/rs6000/rs6000.opt (mmulhw): New option.
3353 * doc/invoke.texi (-mmulhw): Document.
3354 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
3356 * config/rs6000/rs6000.md: Add half-word multiply and
3357 multiply-accumulate instructions for 405 and 440.
3359 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
3361 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
3362 which matches behavior of gcc 4.0 and older for RTEMS targets. The
3363 default now includes a linker group which makes the RTEMS one nest.
3365 2005-11-22 Ben Elliston <bje@au.ibm.com>
3367 * cse.c (fold_rtx): Typo fix.
3368 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
3370 2005-11-21 Richard Henderson <rth@redhat.com>
3372 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
3373 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
3375 * c-tree.h (lookup_name): Move declaration ...
3376 * c-common.h (lookup_name): ... here.
3377 * config/darwin-c.c: Include c-common.h.
3378 * config/t-darwin: Update dependencies.
3380 2005-11-22 Ben Elliston <bje@au.ibm.com>
3382 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
3383 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
3384 * genopinit.c (gen_insn): Likewise.
3385 * reload.c (find_equiv_reg): Likewise.
3386 * loop.c (load_mems): Likewise.
3387 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
3388 * cse.c (find_comparison_args, fold_rtx): Likewise.
3389 * dwarf2out.c (add_const_value_attribute): Likewise.
3390 * expr.c (convert_move): Likewise.
3391 * recog.c (general_operand, register_operand): Likewise.
3392 * reg-stack.c (replace_reg): Likewise.
3393 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3394 * c-common.c (handle_vector_size_attribute): Likewise.
3395 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
3396 (simplify_binary_operation_1): Likewise.
3397 (simplify_const_binary_operation): Likewise.
3398 (simplify_relational_operation): Likewise.
3399 (simplify_const_relational_operation): Likewise.
3400 (simplify_immed_subreg): Likewise.
3401 * emit-rtl.c (gen_lowpart_common): Likewise.
3402 * expmed.c (expand_mult): Likewise.
3403 * stor-layout.c (layout_type): Likewise.
3405 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
3408 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
3409 cst2 only for SPE vectors.
3411 2005-11-21 David Edelsohn <edelsohn@gnu.org>
3414 * config/rs6000/predicates.md (vrsave_operation): Check
3415 UNSPEC_VOLATILE value.
3417 2005-11-21 Jan Hubicka <jh@suse.cz>
3419 PR tree-optimization/24653
3420 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
3422 2005-11-21 Uros Bizjak <uros@kss-loka.si>
3424 * config/i386/predicates.md (ax_reg_operand): New predicate.
3425 (memory_displacement_only_operand): New predicate.
3426 * config/i386/i386.md ("modrm" attribute): Return 0 if one
3427 operand is AX register and the other operand is memory operand
3428 with displacement only.
3430 2005-11-21 Uros Bizjak <uros@kss-loka.si>
3432 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
3433 if we don't care about NaNs or Infinities.
3435 2005-11-20 Ian Lance Taylor <ian@airs.com>
3437 PR rtl-optimization/24883
3438 * combine.c (combinable_i3pat): When checking whether the
3439 destination of i3 is used in i3, consider paradoxical subregs.
3441 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
3444 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
3446 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
3448 * combine.c (try_combine): Do not run subst on i1src and i2src in
3449 the case of generating a PARALLEL for a comparison.
3451 2005-11-20 Richard Henderson <rth@redhat.com>
3454 * tree-sra.c (struct sra_elt): Add all_no_warning.
3455 (struct sra_walk_fns) <use>: Add use_all argument.
3456 (sra_walk_expr): Pass it.
3457 (sra_walk_modify_expr): Likewise.
3458 (scalarize_ldst): Likewise.
3459 (scan_use): Update for new argument.
3460 (mark_no_warning): New.
3461 (scalarize_use): Use it.
3463 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3465 * expr.c (expand_expr_real): Use usmul_optab for widening
3466 signed * unsigned multiplies.
3467 * genopinit.c (optabs): Add usmul_widen_optab.
3468 * optabs.c (init_optabs): Likewise.
3469 * optabs.h (enum optab_index): Add OTI_usmul_widen.
3470 (usmul_widen_optab): Define.
3471 * config/bfin/bfin.md (usmulhisi3): New pattern.
3473 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3475 2005-11-20 Graham Stott <btinternet.com>
3477 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
3479 2005-11-20 Andreas Schwab <schwab@suse.de>
3482 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3485 2005-11-19 Richard Henderson <rth@redhat.com>
3488 * tree-gimple.c (is_gimple_id): Export.
3489 * tree-gimple.h (is_gimple_id): Declare.
3490 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3491 (get_default_value): Use it.
3492 (maybe_fold_stmt_indirect): Likewise.
3494 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
3496 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3497 than VR1 or vice-versa.
3499 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
3503 * reload.c (find_reloads_address_1): Mention dependency on
3505 * reload1.c (gen_reload): For IN with an unary operation, try
3506 moving inner expression to OUT if trivial SET is not valid.
3507 Confirm that the result is valid. Move common code block into...
3508 (emit_insn_if_valid_for_reload): New function.
3510 2005-11-19 Richard Guenther <rguenther@suse.de>
3512 * fold-const.c (fold_indirect_ref_1): Make sure we fold
3513 ARRAY_REFs of constant strings.
3515 2005-11-19 Jakub Jelinek <jakub@redhat.com>
3517 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3518 fatal format string.
3520 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
3522 * combine.c (make_compound_operation): Swap operands of
3523 commutative operation if necessary before returning.
3525 2005-11-19 Richard Guenther <rguenther@suse.de>
3528 * fold-const.c (fold_plusminus_mult_expr): New function.
3529 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3530 cases, remove now unnecessary code.
3532 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
3534 * gensupport.c (old_preds): Rename to std_preds, add special field.
3535 (struct old_pred_table): Rename to struct std_pred_table, add special
3537 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3538 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3539 (init_predicate_table): Adjust, and set along the way whether a
3540 predicate is special.
3542 2005-11-18 Mark Mitchell <mark@codesourcery.com>
3544 * BASE-VER: Change to 4.2.0.
3546 2005-11-18 James E Wilson <wilson@specifix.com>
3548 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3551 2005-11-18 Mike Stump <mrs@apple.com>
3553 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3554 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3555 * c-decl.c (lookup_name_two) Remove.
3556 * c-tree.h (lookup_name_two): Remove.
3557 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3558 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3559 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3560 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
3562 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
3565 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3566 when not generating code to use that co-processor.
3568 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
3570 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3571 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3572 these functions are now in tree-phinodes.c.
3574 2005-11-18 Jie Zhang <jie.zhang@analog.com>
3576 * config/bfin/bfin.md (trap): New pattern.
3578 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3580 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3583 * expr.c (expand_expr_real): Don't call record_block_change unless
3584 ib_boundaries_block is non-null
3586 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
3588 * fold-const.c (build_range_check): Use proper type for subtraction
3589 when merging lower bound.
3591 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
3593 PR rtl-optimization/24497
3594 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3597 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
3599 * tree-scalar-evolution.c (expression_expensive_p): New function.
3600 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3602 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
3604 * config/bfin/crtlibid.s: New file.
3606 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3609 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3610 when not using sjlj exceptions.
3611 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3612 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3613 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3614 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3615 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3616 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3617 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3618 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3619 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3620 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3621 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3622 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3623 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3625 * config/pa/hpux-unwind.h: New file.
3627 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
3629 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3630 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3631 * varasm.c (do_assemble_alias): Adjust call.
3632 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3634 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3636 2005-11-17 James E Wilson <wilson@specifix.com>
3638 * tree.def (FUNCTION_DECL): Correct typo in comment.
3640 2005-11-17 Richard Henderson <rth@redhat.com>
3642 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3643 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3644 and DW_CFA_def_cfa_sf.
3645 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3646 (dbx_reg_number): Don't assert particular registers here.
3647 (based_loc_descr): ... do it here instead. Fold in ...
3648 (eliminate_reg_to_offset): ... this function.
3649 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3650 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3651 * unwind-dw2.c (execute_cfa_program): Apply data align factor
3652 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3653 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3654 (instantiate_virtual_regs): Likewise.
3655 * var-tracking.c (adjust_stack_reference): Likewise.
3656 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3658 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
3660 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3661 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3662 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3664 ($(T)crtlibid.o): New rule.
3666 2005-11-16 Richard Guenther <rguenther@suse.de>
3669 * fold-const.c (extract_array_ref): Return byte offset
3671 (fold_binary): Fold &x[a] CMP &x[b] to
3672 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3675 2005-11-16 Richard Henderson <rth@redhat.com>
3678 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3679 parts of an SSA_NAME.
3681 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
3684 * arm.md (split for movsf with immediate): Restrict split to insns
3685 that set a general register.
3687 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3689 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
3691 * unwind-dw2.c (uw_advance_context): Likewise.
3692 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
3693 _Unwind_SjLj_Unregister.
3694 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3696 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3698 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3700 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3702 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3703 langhook to get a DImode integer type.
3705 2005-11-16 Richard Henderson <rth@redhat.com>
3706 J"orn Rennecke <joern.rennecke@st.com>
3707 Ulrich Weigand <uweigand@de.ibm.com>
3711 * reload1.c (reg_equiv_invariant): New.
3712 (reload): Allocate, initialize, and free it.
3713 (calculate_needs_all_insns): Check it when skipping equivalence
3715 (alter_reg): Likewise.
3716 (eliminate_regs_1): Rename from eliminate_regs. Add new
3717 may_use_invariant argument; only use reg_equiv_invariant when true.
3718 (eliminate_regs): New.
3719 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3720 a context for which may_use_invariant may be true.
3722 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3724 * fold-const.c (const_binop): Don't constant fold the operation
3725 if the result has overflowed and flag_trapping_math.
3726 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3728 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3730 * config/arm/unwind-arm.c (abort): Add prototype here.
3731 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3732 (struct phase1_vrs): Add prev_sp.
3733 (unwind_phase2_forced): Save the original core registers instead of
3734 modifying entry_vrs. Take a new flag argument for resuming unwinding
3735 and set action flags accordingly. Always set _US_END_OF_STACK when
3736 get_eit_entry fails. Unwind before calling the stop function.
3737 (_Unwind_GetCFA): New function.
3738 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3739 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3740 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3741 just call unwind_phase2_forced.
3742 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3743 * config/arm/unwind-arm.h (abort): Remove prototype.
3744 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3746 (_Unwind_GetCFA): New prototype.
3747 * config/arm/pr-support.c (abort): Add prototype here.
3748 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3750 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3751 not schedule the prologue with non-call exceptions and EABI.
3753 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
3755 * config/arm/unwind-arm.h: Reorder interface function declarations.
3756 (_URC_END_OF_STACK): New enumeration value.
3757 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3758 (struct _Unwind_Control_Block): Document reserved field use.
3759 (_Unwind_Stop_Fn): New typedef.
3760 (_Unwind_ForcedUnwind): Declare.
3761 (_Unwind_Resume_or_Rethrow): Declare.
3762 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3764 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3765 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3766 (UCB_FORCED_STOP_ARG): New.
3767 (search_EIT_table): Update boundary condition checks.
3768 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3769 (unwind_phase2): Replace for with do..while.
3770 (unwind_phase2_forced): New.
3771 (__gnu_Unwind_RaiseException): Replace for with do..while.
3772 (__gnu_Unwind_ForcedUnwind): New.
3773 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3774 Use appropriate phase2 unwinder.
3775 (__gnu_Unwind_Resume_or_Rethrow): New.
3776 (__gnu_unwind_pr_common): Cope with forced unwinding.
3778 2005-11-16 David Edelsohn <edelsohn@gnu.org>
3781 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3783 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3784 roundsf2): Remove "s" from mnemonic.
3786 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
3788 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3790 * config/bfin/crtn.s: Change epilogues to match.
3791 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3792 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3793 __PIC__ and __pic__.
3795 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
3798 * doc/invoke.texi: Distinguish between free and fixed form instead of
3799 Fortran and Fortran 90/95. Remove ratfor from the list of supported
3801 * gcc.c (default_compilers): Remove double entries, add entries for
3802 suffixes '.F90' and '.F95'.
3804 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3806 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3807 in the stack probing loop.
3809 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3811 * configure.ac: Use .machine power5 not power5x.
3812 * configure: Regenerate.
3814 2005-11-15 Mike Stump <mrs@apple.com>
3816 * c-decl.c (lookup_name_two): Add.
3817 * c-tree.h (lookup_name_two): Likewise.
3818 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3819 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3821 2005-11-16 Alan Modra <amodra@bigpond.net.au>
3823 PR rtl-optimization/23392
3824 * regrename.c (enum scan_actions) Add mark_access.
3825 (scan_actions_name): Ditto.
3826 (scan_rtx_reg): Handle mark_access.
3827 (scan_rtx_address): Do nothing for mark_access.
3828 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3829 and regs in REG_INC notes before closing chains for dead regs.
3830 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3831 opening chains for new writes.
3833 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3835 * c.opt (ffixed-line-length-none): New.
3837 2005-11-15 Steve Ellcey <sje@cup.hp.com>
3839 * mklibgcc.in: Change contents of eh_dummy.c.
3841 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3843 * loop.c (scan_loop): Do not insert temporaries for hard registers.
3845 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3847 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3849 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
3851 2005-11-15 Jan Hubicka <jh@suse.cz>
3853 * invoke.texi (large-unit-insns): Document.
3854 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3855 * params.def (large-unit-insns): New param.
3857 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
3860 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3861 special register for operand 3. Reindent constraints to align
3864 2005-11-14 David Edelsohn <edelsohn@gnu.org>
3866 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3867 -mpopcntb, -mfprnd. Add -mcpu=power5+.
3868 * configure.ac: Add test for FP rounding instructions.
3869 * configure: Regenerate.
3870 * config.in: Regenerate.
3871 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3872 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3874 * config/rs6000/rs6000.opt (mfprnd): New.
3875 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3876 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3877 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3878 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3879 (TARGET_FPRND): New.
3880 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3882 (btrunc<mode>2): New.
3884 (floor<mode>2): New.
3885 (round<mode>2): New.
3887 2005-11-14 Geoffrey Keating <geoffk@apple.com>
3889 * gcc.c (version_compare_spec_function): Use fatal() rather than
3892 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3893 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3894 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3896 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3899 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3900 on -mmacosx-version-min setting.
3902 2005-11-14 Diego Novillo <dnovillo@redhat.com>
3905 * tree-vrp.c (infer_value_range): Return false if STMT is a
3906 block terminator and its basic block has no successors.
3908 2005-11-14 Mike Stump <mrs@apple.com>
3910 * config/i386/i386.c (override_options): -masm=intel isn't
3911 supported on darwin.
3912 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3914 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
3916 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3917 vfork after including auto-host.h.
3919 2005-11-15 Alan Modra <amodra@bigpond.net.au>
3921 PR rtl-optimization/22002
3922 * combine.c (distribute_notes): Detect cases where a reg dies
3923 two or more times in a bb, including on the insn we are combining,
3924 and place the death note on the correct range.
3926 2005-11-14 Dale Johannesen <dalej@apple.com>
3928 * expmed.c (store_bit_field): Add offset unconditionally for
3930 (extract_bit_field): Don't force extzv or extv operand into
3931 a register if field is too big.
3933 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3935 * config/arm/arm.c (pic_labelno): New.
3936 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3937 LABEL_REF. Pass only the labelno to PIC insns.
3938 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3939 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3940 * arm.md (UNSPEC_PIC_LABEL): New constant.
3941 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3942 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3943 Use the correct label prefix.
3945 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3947 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3950 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
3952 * loop-invariant.c: Include tm_p.h.
3953 * Makefile.in: Updated.
3955 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3957 * pa.c (store_reg): Revise generation of frame notes in large frames.
3958 (set_reg_plus_d): Likewise.
3960 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
3962 PR tree-optimization/24709
3963 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3966 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
3968 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3969 and duplicate declaration of pthread_self.
3971 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
3972 Ian Lance Taylor <ian@airs.com>
3975 * calls.c (expand_call): If TARGET is a MEM and some part of the
3976 argument area has been saved, force TARGET to a register.
3978 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
3980 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3983 2005-11-13 Jason Merrill <jason@redhat.com>
3986 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3987 lazily declared methods.
3988 (force_decl_die): Stop if forcing out the context already make a
3990 (force_type_die): Likewise.
3992 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
3995 * builtins.c (integer_valued_real_p): Add break in
3996 REAL_CST having TREE_OVERFLOW set.
3998 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
4000 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
4001 addressing modes during calculation of costs.
4003 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
4005 * function.c (assign_stack_local_1): Restrict sanity check
4006 on frame size overflow to 32-bit and above platforms.
4008 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
4010 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
4011 * config/cris/cris.c: Include reload.h.
4012 (cris_initial_elimination_offset): New function.
4013 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
4016 2005-11-12 Richard Guenther <rguenther@suse.de>
4018 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
4020 2005-11-12 Jan Hubicka <jh@suse.cz>
4022 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
4023 to compare against 0 when possible.
4025 2005-11-12 Jie Zhang <jie.zhang@analog.com>
4027 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
4028 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4029 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
4030 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
4033 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
4035 * recog.c (constrain_operands) <case 'g'>: For a match, require
4036 that a non-register matches general_operand when strict >= 0.
4038 2005-11-11 Steven Bosscher <stevenb@suse.de>
4040 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
4043 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
4045 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
4046 (memory_address_same): New.
4047 (dse_optimize_stmt): Call memory_address_same.
4049 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
4052 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
4053 ZERO_EXTEND>: New cases.
4055 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
4057 * longlong.h (__clz_tab): Always provide.
4059 2005-11-11 Steven Bosscher <stevenb@suse.de>
4062 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
4064 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
4065 before check_maybe_invariant.
4066 (move_invariant_reg): Use gen_move_insn instead of replacing
4067 SET_DEST with the temporary for the invariant.
4068 (move_loop_invariants): If checking is enabled, do internal
4069 consistency checks after completing the pass.
4071 2005-11-11 David Edelsohn <edelsohn@gnu.org>
4074 * common.opt (Wvolatile-register-var): New.
4075 * varasm.c (make_decl_rtl): Only emit warning when option
4076 specified. Clarify warning message.
4077 * doc/invoke.texi (Wvolatile-register-var): Document new option.
4079 * doc/md.texi (copysign): Document standard named pattern.
4081 2005-11-11 Jie Zhang <jie.zhang@analog.com>
4083 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
4084 bytes when align is 2.
4085 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
4086 by the first instruction of the loop.
4088 2005-11-11 Jason Merrill <jason@redhat.com>
4091 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
4094 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
4096 PR rtl-optimization/22509
4097 * local-alloc.c (memref_used_between_p): Check whether a function call
4098 could not reference the memref.
4100 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
4102 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
4103 algorithm so as to choose the best, not the worst, alternative.
4104 Reset accumulated register class before processing next alternative.
4106 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
4109 * calls.c (expand_call): Copy a return value to a plain register
4112 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
4115 * varasm.c (assemble_name): Recompute name only for transparent
4118 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
4120 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
4122 2005-11-04 Jeff Law <law@redhat.com>
4125 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
4126 perform reassociation if the parent statement will not die as
4127 a result of the optimization.
4129 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
4131 * tree-ssa-alias.c (compute_may_aliases): Remove call to
4132 delete_old_heap_vars.
4133 * tree-dfa.c (referenced_var_remove): Remove function.
4134 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
4135 (delete_tree_ssa): Remove call to delete_old_heapvars.
4136 Add call to delete_alias_heapvars.
4137 * tree-flow.h (referenced_var_remove): Remove prototype
4138 (init_alias_heapvars): New prototype.
4139 (delete_alias_heapvars): Ditto.
4140 * Makefile.in (tree-ssa-structalias.o): Add
4141 gt-tree-ssa-structalias.o
4142 (GTFILES): Add tree-ssa-structalias.h and
4143 tree-ssa-structalias.c.
4144 (s-gtype): Add gt-tree-ssa-structalias.h.
4145 * tree-ssa-structalias.c (heapvars): Remove.
4146 (oldheapvars): Remove.
4147 (heapvar_for_stmt): New variable.
4148 (heapvar_lookup): New function.
4149 (heapvar_insert): Ditto.
4150 (get_constraint_for): See if we have an old heapvar
4152 (init_alias_heapvars): New function.
4153 (delete_alias_heapvars): Ditto.
4154 Add include of gt-tree-ssa-structalias.h.
4156 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4159 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
4161 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
4163 * tree.c (int_fits_type_p): Only look at the base type
4164 if it has the same precision as the original type.
4166 2005-11-10 Jakub Jelinek <jakub@redhat.com>
4169 * varasm.c (assemble_alias): Use %q+D in the error
4170 message instead of %J and %qD.
4172 2005-11-10 Richard Guenther <rguenther@suse.de>
4174 * gcse.c (free_ldst_entry): Only free hashtable if
4177 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4179 * function.c (assign_stack_local_1): Issue an error message if
4180 the frame size overflows in the signed target arithmetics.
4182 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4184 * tree.c (build_qualified_type): Chain the new type to the original
4185 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4186 a POINTER_TYPE or a REFERENCE_TYPE respectively.
4187 (build_pointer_type_for_mode): Only return unqualified types.
4188 (build_reference_type_for_mode): Likewise.
4190 2005-11-09 Jakub Jelinek <jakub@redhat.com>
4192 * Makefile.in (gnucompare): Do comparison of all files using one of
4193 the chosen methods and only afterwards decide if just warning should
4194 be issued or comparison failure raised.
4196 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4198 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
4199 (noce_try_abs): Negate if the comparison is reversed.
4200 Look only one instruction backwards for a REG_EQUAL note.
4202 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
4205 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
4206 gthr-tpf.h: Define __gthrw. For all identifiers that might
4207 be weak, introduce weakrefs or non-weak aliases with __gthrw,
4208 and prefix all uses with __ghtrw.
4210 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
4213 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
4214 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
4215 * c-common.c (handle_weakref_attribute): New.
4216 (c_common_attribute_table): Add weakref.
4217 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
4219 * configure, config.in: Rebuilt.
4220 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
4221 * doc/extend.texi: Document weakref attribute.
4222 * varasm.c (ultimate_transparent_alias_target): New
4223 (assemble_name): Use it.
4224 (weak_finish_1): Split out of...
4225 (weak_finish): ... and deal with weakrefs in...
4226 (weakref_targets): ... new list.
4227 (globalize_decl): Clean up weakref_targets.
4228 (do_assemble_alias): Handle weakrefs.
4229 (finish_aliases_1): Do not reject weakrefs to external symbols.
4230 (assemble_alias): Handle weakrefs.
4232 2005-11-09 Richard Guenther <rguenther@suse.de>
4234 PR tree-optimization/24716
4235 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
4236 t_bool to track results from follow_ssa_edge.
4238 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4240 * final.c (force_source_line): New global variable.
4241 (final_scan_insn): Set it to true instead of clearing last_filename.
4242 (notice_source_line): Return true if force_source_line is true,
4243 unless source info is absent.
4245 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
4248 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
4249 a linkage name for a variable if it a register variable.
4250 * c-decl.c (grokdeclarator): Global register variables
4251 should be set as PUBLIC.
4253 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4256 * config/s390/s390.c (struct s390_frame_layout): New fields
4257 first_save_gpr_slot and last_save_gpr_slot.
4258 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
4259 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
4260 first_save_gpr and last_save_gpr with the _slot variants.
4261 (s390_register_info): Calculate first_save_gpr_slot and
4262 last_save_gpr_slot using regs_ever_live.
4264 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4267 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
4268 for a function containing a landing pad.
4270 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4273 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
4276 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
4278 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
4279 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
4281 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
4284 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
4286 (call,load,store): New insn types.
4287 (mem_access, branch_access): Adjust reservation conditions.
4288 (define_delay): Adjust condition.
4289 (decrement_and_branch_until_zero): Allow for ms2. Set branch
4291 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
4292 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
4294 (call_internal, call_value_internal, return_internal,
4295 return_interrupt_internal, eh_return_internal, indirect_jump,
4296 tablejump): Set call insn type.
4297 (blockage, ei, di): Use appropriate unspec const.
4298 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
4299 (ms1_get_attr_type): Adjust to give load & store types.
4300 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
4301 backwards past a barrier.
4302 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
4304 (struct branch_info, struct label_info): New.
4306 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
4307 (ms1_machine_reorg): New.
4308 (TARGET_MACHINE_DEPENDENT_REORG): Override.
4309 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
4310 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
4311 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
4314 2005-11-09 Per Bothner <per@bothner.com>
4315 Uros Bizjak <uros@kss-loka.si>
4318 * toplev.c (process_options): Initialize debug_hooks early
4319 in case lang_hooks.post_options ends up calling a debug_hook.
4321 2005-11-08 Jakub Jelinek <jakub@redhat.com>
4323 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
4324 DBX_REGISTER_NUMBER being contiguous.
4326 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
4327 Diego Novillo <dnovillo@redhat.com>
4330 * tree-vrp.c (register_edge_assert_for): Do not register
4331 always-false predicates.
4333 2005-11-08 Devang Patel <dpatel@apple.com>
4335 PR tree-optimization/23115
4336 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
4339 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
4341 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
4344 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
4346 Fix PR tree-optimization/23382
4348 * tree-ssa-alias.c (compute_may_aliases): Call
4349 delete_old_heap_vars.
4350 * tree-dfa.c (referenced_var_remove): New function.
4351 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
4352 * tree-flow.h (referenced_var_remove): Add prototype.
4353 (delete_old_heap_vars): Ditto.
4354 * tree-ssa-structalias.c (heapvars): New variable.
4355 (oldheapvars): Ditto.
4356 (get_constraint_for): Put heap vars on heapvars list.
4357 (delete_old_heap_vars): New function.
4359 2005-11-08 Jason Merrill <jason@redhat.com>
4361 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
4363 2005-11-08 Uros Bizjak <uros@kss-loka.si>
4366 * reg-stack.c (reg_to_stack): Update register liveness also
4367 for flag_sched2_use_traces.
4369 2005-11-08 Alan Modra <amodra@bigpond.net.au>
4372 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
4373 override prior explicit -mno-powerpc-gfxopt.
4375 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
4377 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
4378 if the bitsize is zero.
4379 * doc/md.texi (Standard Pattern Names): Document it.
4381 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
4382 (TARGET_PASS_BY_REFERENCE): Likewise.
4384 2005-11-07 Ian Lance Taylor <ian@airs.com>
4386 PR rtl-optimization/24683
4387 * config/i386/i386.c (legitimize_pic_address): If constant operand
4388 to PLUS is too large, put it in a register.
4390 2005-11-07 Jie Zhang <jie.zhang@analog.com>
4392 * configure.ac: Enable checking assembler dwarf2 support for bfin
4394 * configure: Regenerate.
4396 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
4400 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
4401 gen_easy_vector_constant_add_self): Delete.
4402 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
4404 (output_vec_const_move): Use gen_easy_altivec_constant.
4405 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
4406 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
4407 (easy_vector_constant_add_self): Rewritten.
4408 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
4409 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
4410 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
4411 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
4412 Macroize and adjust for the other changes.
4414 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
4418 * c-typeck.c (build_c_cast): Try using a shared constant, and see
4419 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
4421 2005-11-07 Jakub Jelinek <jakub@redhat.com>
4423 PR rtl-optimization/23567
4424 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
4425 (noce_process_if_block): Don't do any optimizations except
4426 if (cond) x = x; if !set_b and write into orig_x may trap
4427 or fault. Remove the MEM_READONLY_P check.
4429 2005-11-06 Diego Novillo <dnovillo@redhat.com>
4432 * tree-vrp.c (fix_equivalence_set): New.
4433 (extract_range_from_assert): Call it.
4435 2005-11-05 Ian Lance Taylor <ian@airs.com>
4438 * combine.c (apply_distributive_law): Don't distribute across a
4441 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
4443 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
4444 config/ms1/ms1.h, config/rs6000/predicates.md,
4445 config/s390/s390.c, params.def, postreload-gcse.c,
4446 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
4447 tree-vrp.c, tree.c: Fix comment typos.
4448 * doc/invoke.texi: Fix typos.
4450 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
4452 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
4453 for testing whether the data_dependence_relation contains distance
4454 vectors. Iterate over all distance vectors of the ddr.
4455 * lambda.h: Define a vec of lambda_vector pointers.
4456 * tree-data-ref.c (dump_data_dependence_relation,
4457 dump_data_dependence_direction): Iterate over all distance and
4458 direction vectors of the ddr.
4459 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
4461 (build_classic_dist_vector, build_classic_dir_vector): Push a set
4462 of distance/direction vectors instead of a single one.
4463 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
4464 lambda_vectors with a vec of lambda_vectors.
4465 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
4466 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
4467 DDR_NUM_DIST_VECTS): New.
4468 * tree-loop-linear.c (gather_interchange_stats): Test for the
4469 existence of distance vectors only after having checked that there
4470 is a dependence. Iterate over all distance vectors of the ddr.
4471 (linear_transform_loops): Use dump_data_dependence_relation.
4472 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
4473 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
4474 distance vectors of the ddr.
4476 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
4478 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
4479 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
4480 IS_INTHANDLER; all callers changed.
4481 (n_regs_saved_by_prologue): Take interrupt handler attributes into
4483 (do_link, do_unlink): New argument ALL; all callers changed.
4484 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
4485 If function isn't leaf, save and restore all registers.
4486 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
4489 2005-11-05 Jan Hubicka <jh@suse.cz>
4491 PR rtl-optimization/23490
4492 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
4493 max-flow-memory-location): Document.
4494 * flow.c: Include params.h
4495 (MAX_MEM_SET_LIST_LEN): Kill.
4496 (add_to_mem_set_list): Use new param.
4497 * cse.c (cse_basic_block): Replace 1000 by new param.
4498 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
4499 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
4500 * predict.c (predict_loops): Use new param.
4501 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
4503 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
4504 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4505 Do not hold memory returned by cgraph_node_name across other call.
4507 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
4510 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
4513 2005-11-04 Jeff Law <law@redhat.com>
4516 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
4517 * tree-ssa-dom.c: Include params.h.
4518 (thread_across_edge): If there are too many statements in the
4519 target block, then do not thread through it.
4520 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
4521 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
4523 2005-11-03 Diego Novillo <dnovillo@redhat.com>
4526 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
4527 TODO_update_ssa instead of TODO_update_ssa_no_phi.
4529 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
4532 * tree-scalar-evolution.c (instantiate_parameters_1,
4533 instantiate_parameters, resolve_mixers): Compute the size of an
4534 expression to be instantiated and give up the instantiation if the
4535 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4537 2005-11-04 Richard Guenther <rguenther@suse.de>
4539 * tree-flow.h (ref_contains_indirect_ref): Rename to
4540 array_ref_contains_indirect_ref.
4541 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
4542 (array_ref_contains_indirect_ref): Make comment match the code
4544 (ref_contains_array_ref): Likewise.
4545 * tree-ssa-structalias.c (find_func_aliases): Remove call to
4546 ref_contains_indirect_ref.
4547 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4548 Rename calls to ref_contains_indirect_ref.
4550 2005-11-04 Paul Brook <paul@codesourcery.com>
4552 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
4553 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
4554 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4555 * config/arm/arm.md: Use match_operand in peephole input templates
4556 and match_dup in peephole output templates.
4558 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4560 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
4563 2005-11-04 Mark Mitchell <mark@codesourcery.com>
4564 Daniel Jacobowitz <dan@codesourcery.com>
4566 * longlong.h (add_ssaaaa): Clobber condition code register
4568 (sub_ddmmss): Likewise.
4569 (umul_ppmm): Likewise.
4571 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4572 Paul Brook <paul@codesourcery.com>
4573 Phil Blundell <pb@reciva.com>
4575 * configure.ac: Add test for ARM TLS support.
4576 * configure: Regenerated.
4577 * config/arm/arm-protos.h (legitimize_tls_address)
4578 (arm_tls_referenced_p, tls_mentioned_p)
4579 (arm_output_addr_const_extra): New prototypes.
4580 (thumb_legitimize_pic_address): Delete.
4581 * config/arm/arm.c: Include "gt-arm.h".
4582 (enum tls_reloc): New.
4583 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
4584 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
4585 (arm_call_tls_get_addr, legitimize_tls_address)
4586 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
4587 (arm_init_tls_builtins, arm_emit_tls_decoration)
4588 (arm_output_addr_const_extra): New functions.
4589 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
4590 (TARGET_HAVE_TLS): Define.
4591 (target_thread_pointer): New.
4592 (arm_override_options): Handle -mtp=.
4593 (legitimize_pic_address): Ignore UNSPECs.
4594 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4596 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4597 (tls_get_addr_libfunc): New variable.
4598 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4599 (arm_init_builtins): Call arm_init_tls_builtins.
4600 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4601 (arm_encode_section_info): Call default_encode_section_info.
4602 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4603 (enum arm_tp_type): New.
4604 (target_thread_pointer): Add declaration.
4605 (LEGITIMATE_CONSTANT_P): Handle TLS.
4606 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4607 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4608 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4609 * config/arm/arm.md: Add UNSPEC_TLS.
4610 (movsi): Handle TLS.
4611 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4613 (tls_load_dot_plus_eight): New insn and a peephole to create it.
4614 (load_tp_hard, load_tp_soft): New insns.
4615 * arm.opt: Add -mtp=.
4616 * doc/invoke.texi (ARM Options): Document -mtp.
4618 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4620 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4621 * config/arm/libunwind.S: Include "lib1funcs.asm".
4622 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4623 (LIB2ADDEH): Add libunwind.S.
4624 (LIB2ADDEHDEP): Add lib1funcs.asm.
4625 * mklibgcc.in: Handle asm files in libgcc_eh.a.
4627 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4630 * gcc/c.opt: Add a -lang-fortran option.
4631 * gcc/c-opts.c: Add a lang_fortran flag.
4632 (c_common_init_options): Handling the -lang-fortran option.
4633 (c_common_handle_option): Add a case for Fortran options in
4634 preprocessing. Remove cases for -ffixed-form and
4635 -ffixed-line-length. Add a case for -lang-fortran.
4637 2005-11-03 David Edelsohn <edelsohn@gnu.org>
4639 * config/rs6000/rs6000.c: Include params.h
4640 (optimization_options): Set max-grow-copy-bb-insns default to 16.
4641 (bdesc_2arg): Delete vpkuhss and vpkuwss.
4642 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4643 (UNSPEC_VPKUWSS): Delete.
4644 (altivec_vpkuhss): Delete.
4645 (altivec_vpkuwss): Delete.
4646 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4648 (neg_eq0<mode>): Remove final condition.
4649 (neg_eq<mode>): Remove condition and split-condition.
4651 2005-11-04 Alan Modra <amodra@bigpond.net.au>
4653 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4654 Use associated print macros.
4656 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4659 * diagnostic.c (diagnostic_set_info_translated): New function.
4660 (diagnostic_set_info): Use it. Add comment.
4661 * diagnostic.h (diagnostic_set_info_translated): Declare.
4663 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
4665 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4666 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4667 reference only if 'public' is true.
4668 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4669 emit the .hidden directive only if the indirect reference is public.
4670 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4671 Pass it to dw2_force_const_mem.
4672 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4673 * dwarf2out.c (output_cfi): Adjust calls to above function.
4674 (output_call_frame_info): Likewise.
4675 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4676 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4678 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
4680 PR tree-optimization/24483
4681 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4682 field to elts if possible.
4684 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4687 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4690 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
4692 Fix PR tree-optimization/24351
4694 * tree-ssa-structalias.c (struct variable_info): Add
4696 (get_varinfo_fc): New function to follow collapsing.
4697 (new_var_info): Set collapsed_to to NULL.
4698 (dump_constraint): Follow collapsing.
4699 (build_constraint_graph): Handle collapsing.
4700 (do_simple_structure_copy): Return false if something bad
4702 (collapse_rest_of_var): New function.
4703 (do_structure_copy): Collapse if do_simple_structure_copy returns
4706 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4709 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4710 expressions to a statement list instead of gimplifying them.
4712 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4714 PR rtl-optimization/23585
4715 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4716 that can't trap plus a constant integer, if the mode has zero size.
4718 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
4721 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4723 ("*insv<mode>_reg_extimm"): Likewise.
4725 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4728 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4729 c_common_type_for_mode returns an unnamed type.
4731 2005-11-02 Richard Henderson <rth@redhat.com>
4735 * dwarf2out.c (dwarf2out_reg_save_reg): New.
4736 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4737 * function.c (assign_parms): Use calls.internal_arg_pointer.
4738 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4740 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4741 (TARGET_CALLS): Add it.
4742 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4743 * targhooks.c (default_internal_arg_pointer): New.
4744 * targhooks.h (default_internal_arg_pointer): Declare.
4745 * tree.h (dwarf2out_reg_save_reg): Declare.
4746 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4747 * config/i386/i386.c (dbx_register_map): Add return column.
4748 (dbx64_register_map, svr4_dbx_register_map): Likewise.
4749 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4750 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4751 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4752 (ix86_save_reg): Save force_align_arg_pointer.
4753 (ix86_emit_save_regs): Make regno unsigned.
4754 (ix86_emit_save_regs_using_mov): Likewise.
4755 (ix86_expand_prologue): Handle force_align_arg_pointer.
4756 (ix86_expand_epilogue): Likewise.
4757 * config/i386/i386.h: (dbx_register_map): Update.
4758 (dbx64_register_map, svr4_dbx_register_map): Update.
4759 (struct machine_function): Add force_align_arg_pointer.
4760 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4761 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4762 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4764 2005-11-02 Jan Hubicka <jh@suse.cz>
4767 * i386.md: Add peep2 for simplyfing array accesses.
4769 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4772 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4773 * config/s390/s390.c (s390_decompose_shift_count): New function.
4774 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4775 (print_shift_count_operand): Use s390_decompose_shift_count.
4776 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4777 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
4779 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4782 * loop.c (loop_givs_rescan): Use force_operand to expand
4785 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
4788 * fold-const.c (build_range_check): Use unsigned when signed
4789 overflow is undefined also. If etype is subtype, make sure that
4790 the subtraction is in the supertype.
4792 2005-11-02 Richard Henderson <rth@redhat.com>
4795 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4798 2005-11-01 Richard Henderson <rth@redhat.com>
4801 * loop.c (scan_loop): Do not propagate computations to a hard
4802 register destination with SMALL_REGISTER_CLASSES.
4804 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
4806 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4807 costs for MULT inside PLUS or MINUS.
4809 2005-11-01 Bob Wilson <bob.wilson@acm.org>
4811 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4812 (TRAMPOLINE_SIZE): Round up to 60.
4813 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4815 2005-10-31 James E. Wilson <wilson@specifix.com>
4818 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4819 ifdef. Put ifdefs around call in gen_subprogram_die.
4820 (compute_frame_pointer_to_cfa_displacement): Likewise.
4821 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4824 PR rtl-optimization/17356
4825 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
4826 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4828 2005-10-31 Jan Hubicka <jh@suse.cz>
4831 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4834 * i386.c (legitimize_pic_address): Deal with large immediates.
4837 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4838 from symbol names while computing checkup.
4841 * predict.c (predict_loops): Do not estimate more than
4842 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4843 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4845 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
4847 PR tree-optimization/19097
4848 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4850 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
4852 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4854 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
4857 * tree-inline.c (setup_one_parameter): If the init_stmt
4858 is NULL, don't insert the statement.
4860 2005-10-30 Jan Hubicka <jh@suse.cz>
4862 PR tree-optimization/24172
4863 * tree-inline.c (copy_body_r): Unshare the substituted value first.
4865 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
4867 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4868 constants for hosts with long != 32 bits.
4870 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
4873 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4875 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
4877 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4878 (TARGET_MS1_16_002): New.
4879 (TARGET_MS1_16_003): New.
4881 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4882 ("*decrement_and_branch_until_zero_no_clobber"): New.
4883 Add corresponding splitter for decrement_and_branch_until_zero
4885 Key all decrement_and_branch_until_zero patterns off of
4888 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
4891 * tree-complex.c (extract_component): Treat RESULT_DECL
4892 like the rest of the decls.
4894 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
4896 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4897 indirect call to _mcount if the function needs a static chain.
4899 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
4900 Caroline Tice <ctice@apple.com>
4902 PR rtl-optimization/24460
4903 * dwarf2out.c (have_switched_text_sections): New boolean variable.
4904 (dwarf2out_switch_text_section): Set it to true instead of
4905 incrementing separate_line_info_table_in_use.
4906 (output_loc_list): Additionally test have_switched_text_sections.
4907 (output_ranges): Likewise.
4908 (dwarf2out_finish): Likewise.
4909 * varasm.c (assemble_start_function): Do not call
4910 insert_section_boundary_note.
4911 (assemble_end_function): If flag_reorder_blocks_and_partition,
4912 switch to the function's section before emitting the .size directive.
4913 * bb-reorder.c (insert_section_boundary_note): Staticify.
4914 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4915 * output.h (insert_section_boundary_note): Delete.
4917 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
4920 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4921 instead of pointer equality when comparing types.
4923 2005-10-24 James E. Wilson <wilson@specifix.com>
4925 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4926 add_dependence_list_and_free calls.
4928 2005-10-24 Steven Bosscher <stevenb@suse.de>
4930 * contrib.texi: Add the names of the LLNL folks who donated
4931 Cray pointer support for gfortran.
4933 2005-10-24 Steven Bosscher <stevenb@suse.de>
4935 PR tree-optimization/24225
4936 * profile.c (branch_prob): Look from end to start through a
4937 basic block when looking for a locus.
4939 2005-10-24 Richard Henderson <rth@redhat.com>
4941 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4943 (hppa_expand_prologue): Likewise.
4945 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4947 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4948 (NO_DEFERRED_PROFILE_COUNTERS): Define.
4949 * pa.h (NO_PROFILE_COUNTERS): Define.
4950 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4951 (funcdef_nos): New vector to hold label numbers of deferred profile
4953 (output_deferred_profile_counters): New function.
4954 (hppa_profile_hook): Push label number onto funcdef_nos.
4955 (pa_hpux_file_end): Call output_deferred_profile_counters if
4956 NO_DEFERRED_PROFILE_COUNTERS is false.
4958 * pa-protos.h (get_deferred_plabel): New prototype.
4959 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
4961 (output_call): Adjust calls.
4963 2005-10-24 Alan Modra <amodra@bigpond.net.au>
4965 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4966 peculiarity of GOT/TOC section usage.
4968 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
4971 * c-common.c (constant_string_class_name): Add documentation.
4973 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
4976 * recog.c (peephole2_optimize): Increment peep2_current_count
4977 only when the slot is empty.
4979 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4982 * except.c (output_function_exception_table): Call
4983 assemble_external_libcall if we need a personality function.
4985 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4987 PR rtl-optimization/24460
4988 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4989 set the basic block for barriers.
4991 2005-10-21 Janis Johnson <janis187@us.ibm.com>
4993 * var-tracking.c (vt_initialize): Initialize post.
4995 2005-10-21 Devang Patel <dpatel@apple.com>
4998 * c-common.c (vector_types_convertible_p): Check vector element type.
5000 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
5002 * config/sh/sh.c (prepare_move_operands): Handle the address
5003 constant which is a tls symbolic address plus a constant.
5005 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
5008 * gcc.c (main): Use the correct counter for erroring out
5009 about mulitple files.
5011 2005-10-21 Alan Modra <amodra@bigpond.net.au>
5014 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
5015 use r2 for 64-bit tls .got access.
5017 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
5019 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
5022 2005-10-20 Steven Bosscher <stevenb@suse.de>
5024 PR tree-optimization/24307
5025 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
5027 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
5030 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
5032 * varasm.c (find_decl_and_mark_needed): After cgraph global info
5033 is ready, stop marking functions, but still mark variables.
5035 2005-10-20 Richard Guenther <rguenther@suse.de>
5038 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
5041 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
5043 PR rtl-optimization/23585
5044 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
5045 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
5046 (may_trap_p_1): New predicate extracted from...
5047 (may_trap_p): ... here. Invoke may_trap_p_1.
5048 (may_trap_or_fault_p): New predicate.
5049 * rtl.h (may_trap_or_fault_p): Declare it.
5050 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
5051 instead of may_trap_p.
5052 (steal_delay_list_from_fallthrough): Likewise.
5053 (fill_simple_delay_slots): Likewise.
5054 (fill_slots_from_thread): Likewise.
5055 * function.c (pad_to_arg_alignment): Rework comment about
5056 SPARC_STACK_BOUNDARY_HACK.
5057 * config/sparc/sparc.h: Likewise.
5059 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
5061 * config/s390/s390.c (s390_expand_insv): New.
5062 * config/s390/s390-protos.h (s390_expand_insv): Declare.
5063 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
5064 ("icm_hi"): Remove mode attribute.
5065 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
5067 ("*extracthi", "*extractqi"): Remove.
5068 (extv<mode>", "*extzv<mode>"): New.
5069 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
5070 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
5072 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5074 * cfgexpand.c (discover_nonconstant_array_refs_r,
5075 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
5076 (tree_expand_cfg): Call discover_nonconstant_array_refs.
5077 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
5078 discover_nonconstant_array_refs.
5080 2005-10-19 Steven Bosscher <stevenb@suse.de>
5083 * c-decl.c (pop_scope): Don't warn about an unused variable
5084 if it is marked with TREE_NO_WARNING.
5085 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
5086 somenow mismatch and olddecl is to be replaced.
5088 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
5091 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
5092 whether registers live on the edge can be saved/restored.
5094 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
5096 * config/sh/sh.c (fixup_mova): Skip notes.
5098 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5100 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
5101 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
5102 (s390_can_eliminate): Handle BASE_REGNUM elimination.
5103 (s390_initial_elimination_offset): Likewise.
5104 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
5105 register on TARGET_ZARCH targets.
5106 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
5107 (INITIAL_FRAME_POINTER_OFFSET): Remove.
5108 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
5109 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
5111 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
5113 * config/s390/s390.md: Comment describing output modifiers updated.
5114 * config/s390/s390.c (print_operand): Likewise.
5116 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
5118 * config/s390/s390.c (override_options): Added check for -mstack-size
5120 * doc/invoke.texi: Mention that limit in the documenation.
5122 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
5125 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
5127 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
5129 Fix PR tree-optimization/24231
5131 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
5132 (compute_avail): Ditto.
5134 2005-10-18 Richard Henderson <rth@redhat.com>
5137 * config/i386/i386.c (legitimate_constant_p): Check
5138 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
5140 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
5141 (legitimate_pic_address_disp_p): Reorg CONST checking to make
5142 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
5144 (print_operand_address): Likewise.
5145 * config/i386/predicates.md (x86_64_immediate_operand): Test
5146 SYMBOL_REF_TLS_MODEL properly inside CONST.
5147 (x86_64_zext_immediate_operand): Likewise.
5148 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
5149 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
5150 * config/i386/i386-protos.h: Remove predicates.md entries.
5152 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
5154 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
5155 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
5157 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
5158 Ian Lance Taylor <ian@airs.com>
5161 * fold-const.c (fold_widened_comparison): Do not allow range based
5162 constant folding when right operand cannot be unwidened.
5164 2005-10-17 Richard Henderson <rth@redhat.com>
5166 * builtins.c (expand_builtin_synchronize): Build a new-style asm
5167 with a memory clobber.
5169 2005-10-17 James E Wilson <wilson@specifix.com>
5171 PR rtl-optimization/17356
5172 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
5173 checking for EDGE_EH.
5175 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
5177 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
5178 the slot on an even boundary for any type with 16-byte alignment.
5180 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
5183 * md.texi (Modifiers) <%>: Clarify that % doesn't work
5184 after register allocation.
5186 2005-10-17 DJ Delorie <dj@redhat.com>
5188 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
5191 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
5194 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
5197 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
5199 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
5200 to 2 if it's already non-zero.
5201 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
5202 is set and warn about it if flag_schedule_insns is 1.
5204 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
5206 * config/crx/crx.md: Compare-and-branch instructions need to
5209 2005-10-17 Uros Bizjak <uros@kss-loka.si>
5212 * config/i386/i386.md (*pushdi2_rex64 splitter)
5213 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
5214 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
5215 flow2 pass only when (optimize > 0 && flag_peephole2).
5217 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
5220 * gcc.c (have_c): New static variable.
5222 (process_command): Remove declation of have_c.
5223 Set have_o to 1 when handling -o.
5224 (main): Add a fatel error if there are multiple
5225 files specified and -o and -c/-S is passed witout
5226 -combine or multiple languages.
5228 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
5230 Fix PR tree-optimization/22444
5231 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
5232 Assert that we don't hit something with subvars.
5233 (setup_pointers_and_addressables): Don't add things with subvars,
5234 because we'll already process the subvars for aliasing purposes.
5236 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
5239 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
5240 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
5241 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
5242 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
5243 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
5244 swapped, alternatives for the R constraint.
5247 * builtins.c (get_builtin_sync_mode): Make unlimited
5248 mode_for_size request.
5250 2005-10-15 Richard Henderson <rth@redhat.com>
5252 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
5253 (gimplify_expr): ... here.
5254 (gimplify_compound_lval): Use it in initial scan loop. Allow
5255 fb_lvalue in base expression.
5257 2005-10-15 Richard Henderson <rth@redhat.com>
5260 * builtins.c (expand_builtin_trap): Export.
5261 * expr.h (expand_builtin_trap): Declare.
5262 * expr.c (expand_assignment): Emit a trap for integral offsets
5263 from registers that weren't reduced to bitpos.
5265 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
5266 (mark_array_ref_addressable): Remove.
5267 * tree-flow.h (mark_array_ref_addressable): Remove.
5268 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
5270 2005-10-15 James E Wilson <wilson@specifix.com>
5273 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
5274 (add_dependence_list_and_free): Likewise.
5275 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
5278 2005-10-15 Diego Novillo <dnovillo@redhat.com>
5282 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
5283 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
5285 (vrp_visit_phi_node): Only prevent infinite iterations when
5286 the previous result and the new result are both VR_RANGEs.
5288 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
5290 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
5293 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5296 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
5299 2005-10-14 Per Bothner <per@bothner.com>
5301 PR preprocessor/21250
5302 * c-ppoutput.c (print_line): Print internal line 0 as 1.
5304 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
5307 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
5308 overflow flags. Refactor some conditionals.
5310 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
5313 * tree-dfa.c (add_referenced_var): Only look at decls which
5314 have TREE_CONSTANT or TREE_READONLY set instead of if
5315 !TREE_PUBLIC or !TREE_CONSTANT.
5317 2005-10-13 James E Wilson <wilson@specifix.com>
5319 * doc/invoke.texi: For -x, add f95-cpp-input.
5320 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
5322 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
5324 PR tree-optimization/24262
5325 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
5326 in loop all the time.
5328 2005-10-12 Richard Henderson <rth@redhat.com>
5331 * tree.h (DECL_TRANSPARENT_UNION): Remove.
5332 * function.c (assign_parm_find_data_types): Don't support it.
5333 * print-tree.c (print_node): Likewise.
5334 * c-common.c (handle_transparent_union_attribute): Likewise.
5335 Use build_duplicate_type.
5336 * tree-inline.c (remap_type_1): Split out of remap_type;
5337 properly remap aggregate fields.
5338 (build_duplicate_type): New.
5339 * doc/extend.texi (Variable Attributes): Remove documentation
5340 for transparent_union.
5342 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5345 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
5346 (gen_stack_pointer_dec): Likewise.
5348 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
5352 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
5354 (struct cxx): Add adjust_class_at_definition target hook.
5355 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
5356 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
5357 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
5358 hook_void_tree. Add to TARGET_CXX.
5359 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
5361 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
5362 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
5363 instead of attribute. Check for dllexport override. Warn if
5364 inconsistent dll linkage. Don't lose old dllimport if decl has
5365 had address referenced. Tweak lookup of dllimport atribute.
5366 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
5367 for target specific rules. Don't add dllimport attribute if
5368 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
5369 dllimport attribute.
5370 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
5371 * varasm.c (initializer_constant_valid_p): Replace
5372 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
5376 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
5377 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
5378 (i[34567]86-*-mingw32*): Likewise.
5380 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
5381 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
5383 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
5384 C++-specific code. Change return value to bool.
5385 (i386_pe_dllimport_p): Likewise.
5386 (associated_type): Simplify and make language-independent
5387 (i386_pe_encode_section_info): Replace override of ambiguous
5388 dllimport symbol refs with a gcc_assert.
5389 (i386_pe_valid_dllimport_attribute_p): Define.
5390 * config/i386/winnt-cxx.c: New file. Define C++ versions of
5391 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5392 i386_pe_adjust_class_at_definition.
5393 * config/i386/winnt-stubs.c: New file. Define stub versions of
5394 lang-specific functions.
5395 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
5396 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5397 i386_pe_adjust_class_at_definition.
5398 (i386_pe_valid_dllimport_attribute_p): Declare.
5399 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
5400 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
5401 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
5404 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
5405 dllimport attribute with test of DECL_DLLIMPORT_P.
5407 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
5409 * combine.c (make_extraction): Correct offset computation.
5411 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
5413 * config/cris/t-linux (LIMITS_H_TEST): Define.
5415 2005-10-12 Richard Henderson <rth@redhat.com>
5418 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
5420 2005-10-12 Richard Guenther <rguenther@suse.de>
5422 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
5424 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
5427 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
5428 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
5431 2005-10-12 Richard Guenther <rguenther@suse.de>
5434 * varasm.c (output_constant): Correct typo from previous
5437 2005-10-11 Ian Lance Taylor <ian@airs.com>
5439 PR rtl-optimization/13931
5440 * combine.c: Revert patch of 2003-05-14, and:
5441 (try_combine): Only set elim_i1 and elim_i2 if the destination is
5442 completely killed in the appropriate insn.
5443 (distribute_notes): Don't skip multiple hard register test for
5444 elim_i1 and elim_i2.
5446 2005-10-11 Richard Henderson <rth@redhat.com>
5449 * c-typeck.c (convert_for_assignment): Use build_constructor_single
5450 to initialize a transparent union instead of a nop_expr.
5452 2005-10-11 Richard Henderson <rth@redhat.com>
5454 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
5455 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
5456 (tree_ssa_dce_loop): Call scev_reset.
5459 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
5460 * tree-ssa-dce.c: Include cfgloop.h.
5461 (tree_ssa_dce_loop, pass_dce_loop): New.
5462 * tree-pass.h (pass_dce_loop): Declare it.
5463 * passes.c (init_optimization_passes): Use it.
5465 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5468 * convert.c (convert_to_real): Revert 2005-10-05 patch.
5469 Only apply the optimization for rounding builtins if the inner
5470 cast is also an extension.
5472 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
5475 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
5476 mark_new_vars_to_rename instead of update_stmt.
5478 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
5480 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
5482 2005-10-11 Jakub Jelinek <jakub@redhat.com>
5484 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
5485 for setting MMX register to 0 rather than mmx.
5487 2005-10-10 Steve Ellcey <sje@cup.hp.com>
5490 * configure.ac: Move gas check from mips specific case to common case.
5491 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
5492 * configure: Regenerate
5493 * doc/install.texi: Update.
5495 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5498 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
5500 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
5502 * gcc.c (do_spec_1): Accept numeric characters in file name
5505 2005-10-10 Nick Clifton <nickc@redhat.com>
5507 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
5508 describing the deleted arm_gen_rotated_half_load function.
5510 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
5512 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
5515 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
5517 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
5519 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
5520 (EXTRA_MULTILIB_PARTS): Define.
5521 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5522 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5523 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
5524 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5525 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5526 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
5528 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
5530 PR tree-optimization/24226
5531 * tree-cfg.c (remove_bb): Clean up unreachable loops.
5532 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
5533 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
5536 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5538 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
5540 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
5543 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
5544 Rewrite for no need for the early clobber.
5546 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
5548 Merge from csl-arm-branch:
5549 2005-09-07 Paul Brook <paul@codesourcery.com>
5550 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
5553 2005-04-30 Paul Brook <paul@codesourcery.com>
5554 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
5555 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
5557 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
5558 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
5559 (arm_override_options): Use TARGET_AAPCS_BASED.
5560 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
5561 (PTRDIFF_TYPE): Use int for AAPCS.
5562 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
5563 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
5564 (DEFAULT_SHORT_ENUMS): Delete.
5565 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
5567 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
5568 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
5569 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
5570 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
5572 2004-12-03 Mark Mitchell <mark@codesourcery.com>
5573 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
5575 2004-11-22 Mark Mitchell <mark@codesourcery.com>
5576 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
5578 2004-11-19 Mark Mitchell <mark@codesourcery.com>
5579 * config.gcc (arm*-*-linux-gnueabi): Add it.
5580 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
5582 (TARGET_OS_CPP_BUILTINS): Likeiwse.
5583 * config/arm/linux-eabi.h: New file.
5584 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
5585 (LINUX_TARET_LINK_SPEC): Likewise.
5586 (LINK_SPEC): Use it.
5587 * config/arm/t-linux-eabi: New file.
5589 2005-10-08 Steven Bosscher <stevenb@suse.de>
5592 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
5594 (PARAM_SMS_DFA_HISTORY): Likewise.
5596 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
5599 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5600 (load_register_parameters): Call it.
5601 (check_sibcall_argument_overlap_1): Likewise.
5602 (store_one_arg): Likewise.
5604 2005-10-07 James E. Wilson <wilson@specifix.com>
5606 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5607 DImode not VECINT24 for operand 2.
5610 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5614 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5615 fr_spill): Use destination_operand for operand 0.
5617 2005-10-07 DJ Delorie <dj@redhat.com>
5619 * varasm.c (output_constant): Limit error to expanding
5622 2005-10-07 Richard Guenther <rguenther@suse.de>
5625 * fold-const.c (fold_binary): Fix operand types during folding
5626 of X op (A, Y). Evaluation order of the side-effects of
5627 X and A are frontend-defined, so ensure we honour that even for
5628 tcc_comparison class operands; eased by removing duplicate code.
5630 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5632 * stor-layout.c (layout_type): Do not allow alignment of array
5633 elements to be greater than their size.
5635 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5637 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5639 (hppa*-*-linux*): Ditto.
5640 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5641 * config/host-hpux.c: New.
5642 * config/x-hpux: New.
5643 * config/pa/x-hpux: Remove.
5644 * config/pa/x-linux: Remove.
5645 * config/pa/pa-host.c: Remove.
5647 2005-10-07 Jeff Law <law@redhat.com>
5649 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5650 determine whether or not to try and thread outgoing edges.
5652 2005-10-07 David Edelsohn <edelsohn@gnu.org>
5654 * config/rs6000/rs6000.md (eqsi_power): New.
5655 (neg_eq0si): Add TARGET_POWER to final condition.
5658 2005-10-06 Richard Henderson <rth@redhat.com>
5660 * config/rs6000/rs6000.c: Revert last change.
5662 2005-10-06 Richard Henderson <rth@redhat.com>
5664 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5665 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5667 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
5671 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5672 out return_label and naked_return_label.
5674 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5676 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5679 2005-10-06 Richard Henderson <rth@redhat.com>
5682 * tree-inline.c (declare_return_variable): Handle modify_dest not
5685 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5687 Fix PR tree-optimization/22488
5688 * tree-ssa-structalias.c (check_for_overlaps): New function.
5689 (create_variable_info_for): Use it.
5691 2005-10-06 Richard Henderson <rth@redhat.com>
5694 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5695 (dwarf2out_start_source_file): Print it.
5697 2005-10-06 Geoffrey Keating <geoffk@apple.com>
5699 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5701 2005-10-06 Richard Henderson <rth@redhat.com>
5704 * mode-switching.c (optimize_mode_switching): Clear transp bit
5705 for block with incomming abnormal edges.
5707 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5708 (fpscr_set_from_mem): Use them.
5709 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5710 (fpscr postinc splitters): Rewrite as peephole2+split.
5712 2005-10-06 David Edelsohn <edelsohn@gnu.org>
5714 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5715 (eq<mode>_compare): Same.
5717 2005-10-06 Richard Guenther <rguenther@suse.de>
5719 PR tree-optimization/24238
5720 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5722 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
5724 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5725 here. Use AC_PATH_PROG for environment variables instead of
5727 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
5729 * configure: Regenerated.
5731 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
5734 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5735 then force it into a register.
5736 (call_value): Likewise.
5738 2005-10-06 Richard Henderson <rth@redhat.com>
5741 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5742 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
5743 under pass_vectorize.
5745 2005-10-05 Devang Patel <dpatel@apple.com>
5748 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5749 handling constants. Check NAMESPACE_DECL context for constants.
5751 2005-10-05 Eric Christopher <echristo@apple.com>
5753 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5755 2005-10-05 Richard Henderson <rth@redhat.com>
5758 * tree-cfg.c (mark_array_ref_addressable_1): New.
5759 (mark_array_ref_addressable): New.
5760 * tree-flow.h (mark_array_ref_addressable): Declare.
5761 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5763 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
5767 * reload.c (subst_reloads): When adding a REG_LABEL to a
5768 jump instruction, also update JUMP_LABEL.
5770 2005-10-05 David Edelsohn <edelsohn@gnu.org>
5772 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5773 * bb-reorder.c (copy_bb_p): Use it.
5774 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5776 2005-10-05 Richard Henderson <rth@redhat.com>
5779 * toplev.c (process_options): Warn about unsupported combinations
5780 of unwind tables and omit-frame-pointer.
5781 * config/i386/i386.c (override_options): Similarly. Enable
5782 accumulate-outgoing-args if not explicitly disabled.
5784 2005-10-05 Steve Ellcey <sje@cup.hp.com>
5786 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5787 Handle big endian vs. small endian.
5788 (vec_initv2sf): Handle big endian vs. small endian.
5789 (*vec_extractv2sf_1): Ditto.
5791 2005-10-05 Dale Johannesen <dalej@apple.com>
5793 * convert.c (convert_to_real): Don't convert
5794 (float)floor(double d) to floorf((float)d).
5796 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
5798 * config/arm/arm.md (insv): Use gen_int_mode in more places.
5800 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
5802 PR tree-optimization/18587
5803 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5804 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5805 build_vuses): Change to VEC type.
5806 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5807 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5808 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5809 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5810 (get_name_decl): New. Return DECL_UID of base variable.
5811 (operand_build_cmp): New. qsort comparison routine.
5812 (operand_build_sort_virtual): New. Sort virtual build vector.
5813 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5814 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5815 (FINALIZE_BASE): Use get_name_decl.
5816 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5817 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5818 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5819 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5820 direct VEC_* manipulations.
5821 (build_ssa_operands): Call operand_build_sort_virtual.
5822 (copy_virtual_operand, create_ssa_artficial_load_stmt,
5823 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5824 with direct VEC_* manipulations.
5825 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5826 with direct VEC manipulations.
5828 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
5830 PR tree-optimization/21419
5831 PR tree-optimization/24146
5832 PR tree-optimization/24151
5834 * c-typeck.c (readonly_error): Handle USE being lv_asm.
5835 (build_asm_expr): Call it if outputs are read-only.
5836 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5838 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
5839 Paolo Bonzini <bonzini@gnu.org>
5843 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5844 enable the instructions and not just the built-ins.
5845 * doc/invoke.texi (x86 Options): Likewise.
5847 2005-10-04 Geoffrey Keating <geoffk@apple.com>
5849 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5851 * doc/invoke.texi (Option Summary): Correct spelling
5852 of -mmacosx-version-min.
5854 2005-10-04 Devang Patel <dpatel@apple.com>
5856 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5859 2005-10-04 Steve Ellcey <sje@cup.hp.com>
5861 * tree-vect-transform.c (vect_create_epilog_for_reduction):
5862 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5864 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
5866 * config/s390/s390.md ("TDSI","DP"): New mode macros.
5867 ("TE","tg"): New mode attributes.
5868 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5869 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5870 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5871 dword_mode and one for GPRmode.
5873 2005-10-04 Ian Lance Taylor <ian@airs.com>
5875 PR preprocessor/13726
5876 * c-ppoutput.c (cb_include): Add comments parameter, and print out
5877 any comments passed in.
5879 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5881 * tree.c (annotate_with_file_line): Fix typo.
5883 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5886 * builtins.c (fold_builtin_memcmp): When constructing the pointer
5887 type used to access data in the inlined length == 1 case, use
5888 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5889 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5891 2005-10-04 Uros Bizjak <uros@kss-loka.si>
5893 * config/i386/i386.h (TARGET_FISTTP): Enable also for
5894 TARGET_SSE3 and only for TARGET_80387.
5895 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5896 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5897 Do not depend on TARGET_80387.
5899 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5901 * tree.c (last_annotated_node): Change type to location_t*.
5902 (annotate_with_file_line): Reflect the change of
5903 last_annotated_node type.
5905 2005-10-04 Richard Guenther <rguenther@suse.de>
5908 * c-decl.c (grokdeclarator): Don't write to fields
5911 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5914 * c-decl.c (finish_decl): Use set_user_assembler_name even for
5916 * varasm.c (make_decl_rtl): If a register variable does not
5917 have a set user assmbler name, error out.
5918 Decode the asmspec is now name+1 bypassing '*'.
5920 2005-10-04 Steven Bosscher <stevenb@suse.de>
5922 PR tree-optimization/23049
5923 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5924 of a COND_EXPR is folded before calling fold on the whole rhs of a
5925 conditional assignment.
5926 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5927 document that a COND_EXPR may appear there.
5929 2005-10-03 Diego Novillo <dnovillo@redhat.com>
5932 * tree-vrp.c (extract_range_from_assert): If the new numeric
5933 range created out of the assertion contradicts the existing
5934 numeric range of the ASSERT_EXPR variable, make the new range
5937 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
5939 * config/sh/sh.c (sh_register_move_cost): Add case for moving
5940 from T_REGS to FP register class.
5942 2005-10-03 Richard Henderson <rth@redhat.com>
5945 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5946 before creating a new one.
5948 2005-10-03 David Edelsohn <edelsohn@gnu.org>
5950 * config/rs6000/t-aix43 (LDFLAGS): New.
5951 * config/rs6000/t-aix52 (LDFLAGS): New.
5953 2005-10-03 Ian Lance Taylor <ian@airs.com>
5955 * gimplify.c (find_single_pointer_decl_1): New static function.
5956 (find_single_pointer_decl): New static function.
5957 (internal_get_tmp_var): For a formal variable, set restrict base
5958 information if appropriate.
5959 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5961 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5962 (DECL_GET_RESTRICT_BASE): Define.
5963 (SET_DECL_RESTRICT_BASE): Define.
5964 (decl_restrict_base_lookup): Declare.
5965 (decl_restrict_base_insert): Declare.
5966 (struct tree_decl_with_vis): Add based_on_restrict_p field.
5967 * tree.c (restrict_base_for_decl): New static variable.
5968 (init_ttree): Initialize restrict_base_for_decl.
5969 (copy_node_stat): Copy restrict base information.
5970 (decl_restrict_base_lookup): New function.
5971 (decl_restrict_base_insert): New function.
5972 (print_restrict_base_statistics): New static function.
5973 (dump_tree_statistics): Call print_restrict_base_statistics.
5975 2005-10-02 Diego Novillo <dnovillo@redhat.com>
5978 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5979 case of anti-ranges.
5981 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
5984 * c-typeck.c (tagged_tu_seen): Rename to ...
5985 (tagged_tu_seen_cache): this and add val field.
5986 (comptypes): Move functional to comptypes_internal
5987 and free tagged_tu_seen.
5988 (comptypes_internal): New function and call comptypes_internal
5989 instead of comptypes. Speed up by sibcalling
5990 tagged_types_tu_compatible_p.
5991 (alloc_tagged_tu_seen): New function
5992 (free_all_tagged_tu_seen_up_to): New function.
5993 (tagged_types_tu_compatible_p): Return the val of the seen two
5995 Add that the two types are the same to tagged_tu_seen_base
5996 if they are and call comptypes_internal instead of comptypes.
5997 <case UNION_TYPE>: Speed up common type where the fields are
5999 (function_types_compatible_p): Call comptypes_internal instead of
6001 (type_lists_compatible_p): Likewise.
6002 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
6004 2005-10-02 Matthias Klose <doko@debian.org>
6006 * doc/invoke.texi: Fix typo and speling error.
6008 2005-10-01 Richard Henderson <rth@redhat.com>
6010 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
6012 2005-10-01 Mark Mitchell <mark@codesourcery.com>
6014 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
6015 using --start-group and --end-group.
6017 2005-10-01 Diego Novillo <dnovillo@redhat.com>
6019 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
6020 FIXME note regarding quirky semantics.
6022 2005-10-01 Diego Novillo <dnovillo@redhat.com>
6025 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
6026 non-null range as a last resort.
6028 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
6029 Diego Novillo <dnovillo@redhat.com>
6032 * tree-vrp.c (extract_range_from_assert): For !=
6033 assertions, only build an anti-range if LIMIT is a
6034 single-valued range.
6036 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
6038 * arm.md (movqi): On thumb when optimizing, handle loading from
6039 memory by describing this as taking a subreg of a zero-extended load
6040 into an SImode register.
6043 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
6045 * reload1.c (merge_assigned_reloads): Do not change any
6046 RELOAD_FOR_OUTPUT_ADDRESS reloads.
6048 2005-09-30 Geoffrey Keating <geoffk@apple.com>
6050 * Makefile.in (LIPO_FOR_TARGET): Define.
6051 (STRIP_FOR_TARGET): Define.
6053 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
6054 before creating new ones. Do symlinks before creating the actual
6057 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
6058 to work out which multilibs are actually being built.
6060 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
6062 * tree-vect-transform.c, config/ms1/ms1.md,
6063 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
6064 Follow spelling conventions.
6065 * doc/invoke.texi, doc/md.texi: Fix typos.
6067 2005-09-30 Andrew Macleod <amacleod@redat.com>
6069 PR tree-optimization/21430
6070 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
6071 use operands, and set stmt pointer if need be.
6072 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
6073 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
6076 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6079 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
6081 2005-09-29 Mark Mitchell <mark@codesourcery.com>
6083 * optabs.c (expand_binop): Initialize first_pass_p.
6085 2005-09-29 Jakub Jelinek <jakub@redhat.com>
6088 * c-decl.c (c_write_global_declarations_1): If any
6089 wrapup_global_declaration_2 call returned true, restart the loop.
6091 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
6093 Fix PR tree-optimization/24117
6094 * tree-ssa-structalias.c (find_func_aliases): Strip nops
6095 before considering whether to use anyoffset.
6097 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
6101 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
6103 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6105 (swap_commutative_operands_with_target): New.
6107 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
6110 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
6113 2005-09-29 Steven Bosscher <stevenb@suse.de>
6115 PR tree-optimization/23911
6116 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
6117 and IMAGPART_EXPR too.
6119 2005-09-28 Mark Mitchell <mark@codesourcery.com>
6122 * expmed.c (expand_shift): Move logic to reverse rotation
6123 direction when rotating by constants ...
6124 * optabs.c (expand_binop): ... here.
6125 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
6126 (ix86_rotrdi3): New pattern.
6127 (rotldi3): Handle 32-bit mode.
6128 (ix86_rotldi3): New pattern.
6130 2005-09-29 Alan Modra <amodra@bigpond.net.au>
6133 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
6134 check for numbers that need no bit twiddle.
6136 2005-09-28 Geoffrey Keating <geoffk@apple.com>
6138 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
6139 multilib to be built.
6141 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
6142 (stage1-start): Delete old libgcc and libunwind before moving
6143 anything into the stage directory.
6144 (stage2-start): Likewise.
6145 (stage3-start): Likewise.
6146 (stage4-start): Likewise.
6147 (stageprofile-start): Likewise.
6148 (stagefeedback-start): Likewise.
6149 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
6150 header in tm_file and CPU-specific t-darwin in tmake_file.
6151 (i[34567]86-*-darwin*): Don't change tm_file.
6152 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
6153 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
6154 shared library stub for target OS version.
6155 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
6156 (SHLIB_LINK): Don't make SHLIB_SOLINK.
6157 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
6158 (libgcc_s.%.dylib): New.
6160 (install-darwin-libgcc-stubs): New.
6161 (INSTALL_LIBGCC): New append.
6162 * config/i386/darwin-libgcc.10.4.ver: New.
6163 * config/i386/darwin-libgcc.10.5.ver: New.
6164 * config/i386/t-darwin: New.
6165 * config/rs6000/darwin-libgcc.10.4.ver: New.
6166 * config/rs6000/darwin-libgcc.10.5.ver: New.
6167 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
6168 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
6170 2005-09-28 Paul Brook <paul@codesourcery.com>
6172 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
6175 2005-09-28 Richard Guenther <rguenther@suse.de>
6177 PR tree-optimization/23853
6178 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
6179 host_integerp to verify misalignment value.
6181 2005-09-28 Richard Henderson <rth@redhat.com>
6183 * builtins.c (get_builtin_sync_mode): New.
6184 (expand_builtin_sync_operation): Pass in mode argument.
6185 (expand_builtin_compare_and_swap): Likewise.
6186 (expand_builtin_lock_test_and_set): Likewise.
6187 (expand_builtin_lock_release): Likewise.
6188 (expand_builtin): Update to match.
6190 2005-09-28 Nick Clifton <nickc@redhat.com>
6192 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
6193 formatting. Add check to PLUS case to ensure that the offset is
6194 within an acceptable range.
6196 * config/v850/v850.md (casesi): Disable the generation of the
6197 switch pattern as it is not being handled properly at the moment.
6199 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
6200 for when the high words are identical.
6202 2005-09-27 Richard Henderson <rth@redhat.com>
6204 * pretty-print.c (pp_base_format): Fix typo for %>.
6206 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
6207 Devang Patel <dpatel@apple.com>
6209 PR tree-optimization/23625
6210 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
6211 LABEL_EXPR, assertion check.
6213 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
6215 * optabs.c (no_conflict_move_test): Check if a result of a
6216 to-be-moved insn would be clobbered by an originally
6219 2005-09-27 Jeff Law <law@redhat.com>
6221 * passes.c (init_optimization_passes): Replace copy propagation
6222 passes immediately after DOM with phi-only copy propagation
6223 pases. Add phi-only copy propagation pass after first DOM pass.
6224 * tree-pass.h (pass_phi_only_copy_prop): Declare.
6225 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
6226 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
6227 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
6228 to init_copy_prop. Callers updated.
6229 (do_phi_only_copy_prop): New function.
6230 (pass_phi_only_copy_prop): New pass descriptor.
6232 2005-09-27 Nick Clifton <nickc@redhat.com>
6234 * libgcc2.c (__popcount_tab): Remove redundant prototype.
6236 2005-09-26 Jason Merrill <jason@redhat.com>
6239 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
6241 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
6243 2005-09-26 James E Wilson <wilson@specifix.com>
6245 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
6246 copyright. Add gcc copyright plus libgcc exception.
6247 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
6249 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
6251 2005-09-26 Jeff Law <law@redhat.com>
6253 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
6254 about when to iterate.
6256 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
6259 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
6260 for __complex__ double in -mcpu=G5 mode.
6262 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
6264 PR tree-optimization/23942
6265 * Makefile.in (SCEV_H): Depends on PARAMS_H.
6266 * tree-scalar-evolution.c: Include params.h.
6268 (follow_ssa_edge, follow_ssa_edge_in_rhs,
6269 follow_ssa_edge_in_condition_phi_branch,
6270 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
6271 Change return type to t_bool. Use a parameter to limit the size of
6272 trees that are walked before stopping
6273 (analyze_evolution_in_loop): Initialize the limit to 0.
6274 (follow_ssa_edge): Give up by returning t_dont_know if the limit
6275 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
6277 2005-09-26 Uros Bizjak <uros@kss-loka.si>
6280 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
6281 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
6283 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
6285 * combine.c (make_extraction): Check for valid use of subreg.
6287 2005-09-26 Uros Bizjak <uros@kss-loka.si>
6290 * config/i386/i386.md ("*fistdi2_1"): New pattern.
6291 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
6292 ("fist<mode>2_with_temp"): Use only register operands.
6294 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
6296 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
6297 CALL_INSN_FUNCTION_USAGE.
6299 2005-09-26 Richard Guenther <rguenther@suse.de>
6302 * gcse.c: Include hashtab.h, define ldst entry hashtable.
6303 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
6304 (ldst_entry): Use the hashtable instead of list-walking.
6305 (find_rtx_in_ldst): Likewise.
6306 (free_ldst_entry): Free the hashtable.
6307 (compute_ld_motion_mems): Create the hashtable.
6308 (trim_ld_motion_mems): Remove entry from hashtable if
6309 removing it from list.
6310 (compute_store_table): Likewise^2.
6311 (store_motion): Free hashtable in case we did not see
6314 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
6316 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
6317 and arg1 if we are passing them to fold_build2.
6319 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
6322 * config/i386/i386.c (ix86_function_regparm): Fix the test for
6325 2005-09-25 Richard Henderson <rth@redhat.com>
6327 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
6328 SYMBOL_REF_TLS_MODEL to be correct.
6330 2005-09-24 Richard Henderson <rth@redhat.com>
6332 * ipa-type-escape.c (discover_unique_type): Remove dead code at
6333 end of function. Reindent.
6335 2005-09-24 Ian Lance Taylor <ian@airs.com>
6337 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
6338 NEGATE_EXPR/BIT_NOT_EXPR case.
6340 2005-09-24 Richard Henderson <rth@redhat.com>
6342 * c-common.c (handle_mode_attribute): When not modifying in place,
6343 create subtypes for enumerations.
6344 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
6345 * gimplify.c (create_tmp_from_val): Likewise.
6347 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
6349 * config/i386/i386.md (*tls_global_dynamic_64,
6350 *tls_local_dynamic_base_64): Add missing mode to call.
6351 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
6353 2005-09-24 Jan Hubicka <jh@suse.cz>
6355 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
6356 (cgraph_clone_node): Likewise.
6357 * cgraph.h (cgraph_clone_edge): Update prototype.
6358 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
6359 duplicated prototypes; add updating argument.
6360 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
6361 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
6363 (cgraph_mark_inline_edge): Likewise.
6364 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
6365 (cgraph_flatten_node): Likewise.
6366 (cgraph_decide_recursive_inlining): Likewise.
6367 (cgraph_decide_inlining_of_small_function): Likewise.
6368 * tree-optimize.c (tree_rest_of_compilation): Likewise.
6370 2005-09-23 David Edelsohn <edelsohn@gnu.org>
6371 Pete Steinmetz <steinmtz@us.ibm.com>
6373 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
6374 (rldic.): Set type to "compare".
6376 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
6377 mfjmpr for MFCTR/MFLR.
6378 (movdf_hardfloat64): Same.
6379 (movdf_softfloat64): Same. Correct order of store and move types.
6380 (movti_string): Set type to store_ux/load_ux.
6381 (load_multiple): Set type to load_ux.
6382 (store_multiple): Set type to store_ux.
6383 (movmemsi): Set type to store_ux.
6384 (output_cbranch direct_return): Set type to jmpreg.
6385 (stmw): Set type to store_ux.
6386 (lmw): Set type to load_ux.
6387 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
6388 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
6389 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
6390 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
6391 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
6392 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
6393 (rios1-fpstore): Increase latency to 3.
6394 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
6395 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
6397 2005-09-23 David Edelsohn <edelsohn@gnu.org>
6398 Andrew Pinski <pinskia@physics.uc.edu>
6400 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
6401 operand2 constraint to "b".
6402 (sync_<fetchop_name>di_internal): Same.
6403 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
6405 (sync_old_<fetchop_name>di_internal): Same.
6406 (sync_new_<fetchop_name>si_internal): Same.
6407 (sync_new_<fetchop_name>di_internal): Same.
6409 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
6412 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
6413 case, define as macros.
6415 PR rtl-optimization/23837
6416 * optabs.c (no_conflict_move_test): Don't set must_stay for a
6417 clobber / clobber match between dest and p->first.
6419 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
6420 (no_conflict_move_test): Update comments.
6422 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6424 * doc/install.texi: Update URL for Jacks.
6425 * doc/sourcebuild.texi: Likewise.
6427 2005-09-22 David Edelsohn <edelsohn@gnu.org>
6430 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
6431 registers when choosing register preferences.
6432 (movdf_hardfloat64): Same.
6434 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
6436 * expmed.c (expand_shift): Don't use the target of the rotate as
6437 target for the first expanded shift insn.
6438 * testsuite/gcc.dg/20050922-1.c: Testcase added.
6440 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
6442 PR tree-optimization/22438
6443 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
6444 preserved iv rhs rewriting specially.
6446 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
6448 * tree-data-ref.c (analyze_array_indexes): Only estimate when
6449 estimate_only is true.
6450 * tree-flow.h (ref_contains_indirect_ref): New prototype.
6451 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
6452 tree-ssa-structalias.c
6453 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
6454 ref_contains_indirect_ref.
6455 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
6457 2005-09-21 DJ Delorie <dj@redhat.com>
6459 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
6461 (mn10300_return_in_memory): Support variable size types also.
6462 (mn10300_pass_by_reference): Likewise.
6463 (mn10300_function_value): New.
6464 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
6465 (FUNCTION_OUTGOING_VALUE): Likewise.
6466 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
6467 * doc/invoke.texi: Document it.
6469 2005-09-21 Uros Bizjak <uros@kss-loka.si>
6472 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
6473 force integer op1 into register for XFmode compares.
6475 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6478 * expmed.c (alg_code): Add alg_impossible.
6479 (alg_hash_entry): Add cost.
6480 (synth_mult): Record alg_impossible in the hash table if
6481 multiplication by a given integer is impossble within the
6482 limit. Speed up using alg_impossible.
6484 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
6486 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
6487 argument. Allow and set any offset if needs_anyoffset is passed
6489 (get_constraint_for): Add argument here too.
6491 (do_structure_copy): Pass NULL to get_constraint_for.
6492 (handle_ptr_arith): Ditto.
6493 (find_func_aliases): Ditto.
6495 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
6497 PR rtl-optimization/23898
6498 * output.h (get_attr_min_length): Declare.
6499 * final.c (get_attr_length_1): New function, broken out of:
6501 (get_attr_min_length): New function.
6502 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
6503 (duplicate_computed_gotos): Likewise.
6504 * genattr.c (insn_min_length): Generate declaration.
6505 * genattrtab.c (min_fn, min_attr_value): New functions.
6506 (make_length_attrs): Generate insn_min_length.
6508 2005-09-20 Steve Ellcey <sje@cup.hp.com>
6510 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
6512 2005-09-20 Richard Henderson <rth@redhat.com>
6514 PR tree-optimization/24059
6515 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
6518 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
6520 * c.opt (fextended-identifiers): New.
6521 * c-opts.c (c_common_handle_option): Handle
6522 -fextended-identifiers.
6523 * doc/cpp.texi: Update documentation of extended identifiers.
6524 * doc/cppopts.texi (-fextended-identifiers): Document.
6526 2005-09-20 Jakub Jelinek <jakub@redhat.com>
6528 PR tree-optimization/23929
6529 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
6532 PR tree-optimization/23818
6533 * tree-stdarg.c (execute_optimize_stdarg): Call
6534 calculate_dominance_info.
6536 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
6538 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
6539 (analyze_siv_subscript_cst_affine): Add weak SIV test.
6540 (compute_overlap_steps_for_affine_1_2): Use
6541 get_number_of_iters_for_loop.
6542 (analyze_subscript_affine_affine): Check whether difference is
6544 Use get_number_of_iters_for_loop.
6545 Check whether overlap occurs outside of bounds.
6546 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
6548 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
6550 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
6551 base register if possible.
6553 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
6555 PR tree-optimization/18463
6556 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
6557 converting it directly is not possible.
6558 (chrec_convert_aggressive): New function.
6559 * tree-chrec.h (chrec_convert_aggressive): Declare.
6560 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
6561 Fold chrec conversions aggressively if asked to.
6562 (instantiate_parameters): Modified because of changes in
6563 instantiate_parameters_1.
6565 2005-09-19 Richard Henderson <rth@redhat.com>
6567 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
6568 (reduc_splus_v2df): New.
6570 2005-09-19 Richard Sandiford <richard@codesourcery.com>
6572 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
6573 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
6575 2005-09-19 Richard Henderson <rth@redhat.com>
6577 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
6580 2005-09-19 Richard Henderson <rth@redhat.com>
6582 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
6583 (ia64_expand_dot_prod_v8qi): New.
6584 * config/ia64/ia64-protos.h: Update.
6585 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
6586 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
6587 sdot_prodv8qi, sdot_prodv4hi): New.
6588 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
6590 2005-09-19 Richard Henderson <rth@redhat.com>
6593 * real.c (exact_real_truncate): Return false if the format cannot
6594 represent the number as a normal.
6596 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6597 for a memory source.
6599 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
6601 * tree-ssa-operands.c (swap_tree_operands): Export.
6602 * tree.h (swap_tree_operands): Declare.
6603 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6604 Call swap_tree_operands.
6606 2005-09-19 Richard Henderson <rth@redhat.com>
6608 * tree-flow.h (merge_alias_info): Declare.
6609 * tree-ssa-copy.c (merge_alias_info): Export.
6610 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6611 (vect_create_data_ref_ptr): Use create_iv directly.
6612 (vectorizable_load): Use correct types for integer constants.
6613 (vect_generate_tmps_on_preheader): Likewise.
6614 (vect_gen_niters_for_prolog_loop): Likewise.
6616 2005-09-19 Steven Bosscher <stevenb@suse.de>
6618 PR rtl-optimization/23943
6619 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6621 2005-09-18 Jan Hubicka <jh@suse.cz>
6623 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6625 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
6627 * varasm.c (output_constant): Do not abort on conversions to union
6628 types between different sizes.
6630 2005-09-18 Richard Guenther <rguenther@suse.de>
6633 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6636 2005-09-18 Paul Brook <paul@codesourcery.com>
6638 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6640 2005-09-17 Richard Henderson <rth@redhat.com>
6642 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6643 * tree-ssa-loop.c (pass_vect_dce): Remove.
6644 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6647 2005-09-17 Richard Henderson <rth@redhat.com>
6649 * tree-pass.h (pass_vect_dce): Declare.
6650 * passes.c (init_optimization_passes): Add it.
6651 * tree-flow.h (tree_ssa_dce): Declare.
6652 * tree-ssa-dce.c (tree_ssa_dce): Export.
6653 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6654 (gate_tree_vectorize): ... here.
6655 (pass_vect_dce): New.
6657 2005-09-17 Jan Hubicka <jh@suse.cz>
6659 * except.c (struct eh_status): Turn region_array into vec.
6660 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6661 convert_from_eh_region_ranges, find_exception_handler_labels,
6662 current_function_has_exception_handlers, assign_filter_values,
6663 build_post_landing_pads, dw2_build_landing_pads,
6664 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6665 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6666 foreach_reachable_handler, can_throw_internal_1,
6667 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6669 (duplicate_eh_region_1): Update region_array.
6670 (duplicate_eh_regions): Resize region_array and avoid recomputing.
6672 2005-09-17 David Edelsohn <edelsohn@gnu.org>
6675 * expmed.c (expand_mult): Substitute simple register for op0 when
6678 2005-09-17 Richard Henderson <rth@redhat.com>
6680 * expr.c (emit_move_via_integer): Add force argument, pass it on
6681 to emit_move_change_mode. Update callers.
6682 (emit_move_complex): Pass true to new force argument.
6683 * function.c (expand_function_end): Move expand_eh_return call
6684 earlier. Merge sub-word complex values into a pseudo before
6685 copying to the return hard register.
6687 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
6689 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6690 between different sizes.
6692 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
6696 * passes.c (init_optimization_passes): Register dump files for
6699 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
6701 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6702 * config/s390/s390.c (s390_overlap_p): New function.
6703 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6704 peephole2, "*xc" peephole2): Added overlap check to the peephole2
6707 2005-09-16 Richard Guenther <rguenther@suse.de>
6709 * ipa-pure-const.c (static_execute): Free auxiliar information.
6710 * ipa-type-escape.c (discover_unique_type): Free temporary key.
6711 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6713 2005-09-15 DJ Delorie <dj@redhat.com>
6715 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6717 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
6719 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6721 (swap_commutative_operands_with_target): New.
6723 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
6725 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6728 (estimate_iters_using_array): New function.
6729 * tree-data-ref.h (estimate_iters_using_array): Prototype
6730 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6731 Use estimate_iters_using_array instead of analyze_array.
6733 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
6735 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6738 2005-09-15 Michael Matz <matz@suse.de>
6740 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6742 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
6744 PR tree-optimization/23835
6745 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6746 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6748 2005-09-14 Richard Henderson <rth@redhat.com>
6750 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6751 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6753 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
6755 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6756 in the ARRAY_TYPE case.
6758 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
6760 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6762 2005-09-14 Uros Bizjak <uros@kss-loka.si>
6765 * tree-vect-transform.c (vectorizable_operation): Return false for
6766 scalar shift operations and for vector shift operations with
6767 non-invariant shift arguments. Use scalar tree operand op1 as
6768 a shift operand when vector shift insn pattern uses scalar shift
6770 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6772 2005-09-14 Olivier Hainque <hainque@adacore.com>
6774 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6775 value if it has side-effects.
6777 2005-09-14 David Edelsohn <edelsohn@gnu.org>
6780 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6782 2005-09-14 Alan Modra <amodra@bigpond.net.au>
6784 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6785 passed as NAME as if it were label at start of function code.
6787 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
6789 * config/sh/sh.md (*movv4sf_i): Add general register cases to
6792 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6794 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6795 as early clobber. Rewrite so the PIC register is not implicitly used.
6797 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6799 * tree.c (annotate_with_file_line): Compare line numbers before
6802 2005-09-13 Uros Bizjak <uros@kss-loka.si>
6805 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6806 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6808 2005-09-13 Ian Lance Taylor <ian@airs.com>
6810 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6811 than a HOST_WIDEST_INT to gen_doloop_begin.
6813 2005-09-13 Diego Novillo <dnovillo@redhat.com>
6815 * tree-dfa.c (dump_variable): Guard against NULL annotations.
6817 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
6819 PR tree-optimize/23817
6820 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6822 2005-09-13 Alan Modra <amodra@bigpond.net.au>
6825 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6826 word before changing the stack pointer. Use gen_frame_mem for MEMs.
6827 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6828 (restore_stack_nonlocal): Likewise.
6829 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6831 2005-09-12 Ian Lance Taylor <ian@airs.com>
6834 * c.opt (ffriend-injection): New C++ option.
6835 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6836 (C++ Dialect Options): Document -ffriend-injection.
6838 2005-09-12 Josh Conner <jconner@apple.com>
6841 * ipa-reference.c (static_execute): Don't mark variables in
6842 named sections TREE_READONLY.
6844 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6846 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6849 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6851 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6852 V_MUST_DEF instead of just the first_use_p.
6853 Don't mark the virtual variables for renaming on the statement which
6855 (pass_dse): Remove TODO_update_ssa.
6857 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
6860 * stor-layout.c (compute_record_mode): For records with a single
6861 field, actually check the field's mode size against the type size.
6863 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6864 registers for TARGET_SHMEDIA.
6865 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6866 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
6867 of GENERAL_REGS and FP_REGS.
6869 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
6871 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6873 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6875 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6876 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6877 are omitted. Exclude stack_tie insn too.
6879 2005-09-11 David Edelsohn <edelsohn@gnu.org>
6881 PR rtl-optimization/23098
6882 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6884 * config/rs6000/rs6000.md (movdf splitter): Use
6885 const_double_operand predicate for TARGET_POWERPC64.
6886 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6887 SYMBOL_REF method to ABI_V4.
6889 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6890 replace_equiv_address.
6891 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6892 rs6000_sr_alias_set and MEM_NOTRAP.
6893 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6895 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
6897 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6898 handle CALL_EXPR again.
6900 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
6902 * arm/predicates.md (alignable_memory_operand): Delete.
6904 2005-09-10 Richard Henderson <rth@redhat.com>
6907 * dbxout.c (dbxout_expand_expr): New.
6908 (dbxout_symbol): Use it.
6910 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
6912 * arm.c (arm_gen_rotated_half_load): Delete.
6913 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6914 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6915 (thumb_set_return_address): Likewise.
6916 (thumb_load_double_from_address): Use adjust_address.
6917 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6918 (extendhsisi2_mem, movhi_bytes): Use change_address.
6919 (movhi): Use widen_memory_access.
6920 (reload_out_df): Use replace_equiv_address.
6921 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6923 2005-09-09 Richard Henderson <rth@redhat.com>
6926 * dbxout.c: Include expr.h.
6927 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6928 (dbxout_symbol): Handle DECL_VALUE_EXPR.
6929 * Makefile.in (dbxout.o): Add EXPR_H.
6931 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
6933 PR tree-optimization/23509
6934 * tree-cfg.c (replace_uses_by): Use replace_exp.
6935 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6936 pointers have name_mem_tag or type_mem_tag set.
6938 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6940 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6941 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6942 of wrongly accessing operands.
6944 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6946 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6947 * tree-chrec.c: Include tree-scalar-evolution.h.
6948 (chrec_convert): Instantiate the base and step before calling
6949 scev_probably_wraps_p that would fail on parametric evolutions.
6950 Collect all the fails into a single section failed_to_convert,
6951 print a diagnostic, and return chrec_dont_know instead of calling
6953 * tree-scalar-evolution.c (loop_closed_phi_def): New.
6954 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6956 (scev_const_prop): Don't replace the definition of a loop closed ssa
6957 phi node by itself, or by another loop closed ssa phi node.
6958 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6959 that base and step are defined.
6961 2005-09-09 Richard Guenther <rguenther@suse.de>
6964 * fold-const.c (fold_ternary): Check truth_value_p before
6965 calling invert_truthvalue.
6967 2005-09-09 Nick Clifton <nickc@redhat.com>
6969 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6970 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6971 dimension of these arrays.
6972 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6974 * longlong.h: Only provide a prototype for the __clz_tab[] array
6975 if this header has not been included from libgcc2.h.
6976 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6978 Provide prototypes for exported functions.
6979 Use the __clz_tab[] and __popcount_tab[] arrays provided by
6982 2005-09-08 Josh Conner <jconner@apple.com>
6986 * expr.c (expand_expr_addr_expr_1): Don't invoke
6987 expand_simple_binop for EXPAND_INITIALIZER.
6989 2005-09-08 Richard Henderson <rth@redhat.com>
6992 * toplev.c (wrapup_global_declaration_1): Split out ...
6993 (wrapup_global_declaration_2): ... from ...
6994 (wrapup_global_declarations): ... here. Return bool.
6995 (check_global_declaration_1): Split out ...
6996 (check_global_declarations): from here.
6997 (emit_debug_global_declarations): New.
6998 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6999 check_global_declaration_1, emit_debug_global_declarations): Declare.
7000 * c-decl.c (c_write_global_declarations_1): Don't create a vector
7001 of decls. Call wrapup_global_declaration_1,
7002 wrapup_global_declaration_2, check_global_declaration_1 directly.
7003 (c_write_global_declarations_2): New.
7005 (c_write_global_declarations): Call c_write_global_declarations_2.
7006 * langhooks.c (write_global_declarations): Call
7007 emit_debug_global_declarations.
7009 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
7010 remove decls that have DECL_RTL_SET_P.
7011 * passes.c (rest_of_decl_compilation): Invoke
7012 cgraph_varpool_finalize_decl for all but functions.
7014 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
7016 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
7017 the result of a conversion if the new min and max cannot be compared.
7019 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
7021 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
7022 (override_options): Setting s390_sr_alias_set removed.
7023 (save_fpr, save_gprs): Set alias set to vararg or frame.
7024 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
7025 s390_sr_alias_set with get_frame_alias_set ().
7026 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
7027 get_varargs_alias_set ().
7029 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
7033 * c-parser.c (c_parser_objc_method_definition): If the next
7034 token is not "{", error out and don't start the function.
7036 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
7038 * tree-vrp.c (extract_range_from_expr): Move the check for non
7039 nullness after the check for gimple invariant.
7041 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7043 * tree.c (host_integerp, tree_low_cst): Correct function comment.
7045 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7048 * config/m32r.md (movmemsi_internal): Canonicalize order of
7049 operands in PLUS component of template.
7051 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
7053 * reload1.c (fixup_eh_region_note): Remove assertion.
7054 (fixup_abnormal_edges): Reverted removal of call to
7055 find_many_sub_basic_blocks made on 2005-08-31.
7057 2005-09-07 Richard Henderson <rth@redhat.com>
7059 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
7060 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
7061 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
7062 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
7063 rearrange for better packing.
7064 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
7065 (lookup_cfa_1): Remove inline marker.
7066 (cfa_equal_p): Split out of ...
7067 (def_cfa_1): ... here. Use INVALID_REGNUM.
7068 (build_cfa_loc): Handle !cfa->indirect.
7069 (frame_pointer_cfa_offset): New.
7070 (dbx_reg_number): Assert register elimination performed; do
7071 leaf register remapping.
7072 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
7073 (eliminate_reg_to_offset): New.
7074 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
7075 for verifiably local stack frame addresses; re-base to CFA.
7076 (mem_loc_descriptor): Remove can_use_fbreg argument.
7077 (concat_loc_descriptor, loc_descriptor): Likewise.
7078 (containing_function_has_frame_base): Remove.
7079 (rtl_for_decl_location): Don't do register elimination or
7080 leaf register remapping here.
7081 (secname_for_decl): Split out from ..
7082 (add_location_or_const_value_attribute): ... here.
7083 (convert_cfa_to_loc_list): New.
7084 (compute_frame_pointer_to_cfa_displacement): New.
7085 (gen_subprogram_die): Use them.
7086 * tree.h (frame_base_decl): Remove.
7087 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
7088 (prologue_stack_adjust): Remove.
7089 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
7090 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
7091 (set_frame_base_location): Remove.
7092 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
7093 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
7094 (vt_add_function_parameters): Don't eliminate_regs.
7095 (vt_initialize): Don't create frame_base_decl.
7097 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7099 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
7100 version of GNU binutils for 4.x and later.
7102 2005-09-06 Mark Mitchell <mark@codesourcery.com>
7104 * ggc-page.c (ggc_push_context): Remove.
7105 (ggc_pop_context): Likewise.
7106 * ggc.h (ggc_push_context): Remove.
7107 (ggc_pop_context): Likewise.
7109 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
7112 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
7113 returning from an interrupt handler.
7115 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
7118 * config/arc/arc.c (output_shift): Add check for loop count when
7121 2005-09-06 Steven Bosscher <stevenb@suse.de>
7123 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
7125 (abs_replacement): Likewise.
7126 (pass_phiopt): Remove TODO_update_ssa.
7128 2005-09-06 Jakub Jelinek <jakub@redhat.com>
7131 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
7132 if "return with no value, in function returning non-void" warning
7134 * tree-cfg.c (execute_warn_function_return): Don't look at
7135 RETURN_EXPRs with TREE_NO_WARNING set.
7138 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
7139 for internal functions doesn't use registers used by global registers
7140 variables. Use fewer register parameters if there are global register
7143 2005-09-06 Olivier Hainque <hainque@adacore.com>
7144 Eric Botcazou <ebotcazou@adacore.com>
7147 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
7148 when we would be extracting outside its bit span (bitpos+bitsize
7149 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
7150 Ada unchecked conversions.
7152 2005-09-06 Steven Bosscher <stevenb@suse.de>
7154 * tree-ssa-pre.c (try_look_through_load): New function.
7155 (compute_avail): Use it to try to look through loads for some
7156 more useful expressions.
7158 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
7160 * simplify-rtx.c (simplify_binary_operation_1): Correct the
7161 condition for detecting cases like (a&a) and (a^a).
7163 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
7165 * common.opt: Add option ftree-vect-loop-version.
7166 * params.def: Add --param vect-max-version-checks.
7167 * doc/invoke.texi: Document ftree-vect-loop-version and
7168 --param vect-max-version-checks.
7169 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
7170 may_misalign_stmts and defines for accessors.
7171 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
7172 LOOP_VINFO_MAY_MISALIGN_STMTS.
7173 (destroy_loop_vec_info): VEC_free for
7174 LOOP_VINFO_MAY_MISALIGN_STMTS.
7175 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7176 Update documentation.
7177 (vect_update_misalignment_for_peel): New.
7178 (vect_enhance_data_refs_alignment): Update to choose loop
7179 peeling or loop versioning if appropriate for the (potentially)
7180 unaligned data references in the loop.
7181 (vect_analyze_data_refs_alignment): Remove call to
7182 vect_enhance_data_refs_alignment so the checks can be done
7184 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
7185 and move up call to vect_analyze_data_refs_alignment.
7186 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
7187 (vect_transform_loop): Add call to loop_version.
7189 2005-09-06 Jakub Jelinek <jakub@redhat.com>
7191 PR rtl-optimization/23098
7192 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
7193 * simplify-rtx.c (constant_pool_reference_p): New function.
7194 * rtl.h (constant_pool_reference_p): New prototype.
7195 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
7196 constant_pool_reference_p in condition and
7197 avoid_constant_pool_reference in preparation statements.
7199 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
7201 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
7202 STRICT_LOW_PART SETs.
7204 2005-09-06 Alan Modra <amodra@bigpond.net.au>
7207 * except.c (sjlj_emit_function_enter): Find the function begin
7208 note even when it's not in first basic block.
7210 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
7212 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
7213 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
7214 * aclocal.m4: Regenerate.
7216 2005-09-05 DJ Delorie <dj@redhat.com>
7218 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
7221 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
7223 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
7224 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
7225 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
7226 Follow spelling conventions.
7227 * doc/invoke.texi: Follow spelling conventions.
7229 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
7231 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
7232 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
7233 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
7235 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
7238 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
7239 (output_stack_adjust): Use gen_tmp_stack_mem.
7240 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
7241 (sh_set_return_address, sh_allocate_initial_value): Likewise.
7242 (sh_get_pr_initial_val): Likewise.
7243 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
7244 (sh_initialize_trampoline): Likewise. Also use adjust_address.
7245 * sh.md (divsi_inv_m0): Use gen_const_mem.
7246 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
7247 (movdf_i4+1): Use gen_tmp_stack_mem.
7248 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
7249 (fpu_switch+2): Likewise.
7250 (movv4sf_i, movv16sf_i): Use adjust_address.
7251 (symGOT_load): Set MEM_NOTRAP_P bit.
7253 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7256 * pa.c (emit_move_sequence): Fix typo in last change.
7258 2005-09-03 Jakub Jelinek <jakub@redhat.com>
7260 PR rtl-optimization/23454
7261 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
7264 2005-09-03 Richard Henderson <rth@redhat.com>
7265 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7268 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
7271 2005-09-02 Nicolas Pitre <nico@cam.org>
7273 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
7274 to bit_count to 32 bits.
7276 2005-08-31 Mark Mitchell <mark@codesourcery.com>
7279 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
7280 generating synthetic loads from volatile lvalues.
7282 005-09-02 Nick Clifton <nickc@redhat.com>
7284 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
7285 __ctzhi2, __clzhi2): New functions.
7287 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
7290 * tree-nested.c (struct var_map_elt): Mark with GTY.
7291 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
7293 (lookup_field_for_decl): Allocate new element in GC memory.
7294 (lookup_tramp_for_decl): Likewise.
7295 (convert_nl_goto_reference): Likewise
7296 (create_nesting_tree): Allocate info in GC memory. Likewise for
7298 (free_nesting_tree): Free with ggc_free instead of free.
7299 (root): New static variable.
7300 (lower_nested_functions): Remove root as local variable. And zero out
7301 root at the end of the function.
7303 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
7305 PR rtl-optimization/20365
7306 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
7307 to short. New member ix.
7308 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
7309 (simplify_plus_minus): Initialize ix members before calling qsort.
7311 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
7313 PR tree-optimization/23626
7314 * tree-cfg.c (replace_uses_by): Clean up eh info.
7316 2005-09-01 DJ Delorie <dj@redhat.com>
7318 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
7321 2005-09-01 David Edelsohn <edelsohn@gnu.org>
7323 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
7324 (rs6000_split_multireg_move): Use replace_equiv_address instead of
7327 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
7329 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
7330 do not issue warning for a variable definition following
7333 2005-09-01 Richard Henderson <rth@redhat.com>
7336 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
7337 conversion to CONST_VECTOR.
7339 2005-09-01 Richard Henderson <rth@redhat.com>
7342 * reload1.c (reload_as_needed): Check !CALL_P before calling
7343 fixup_eh_region_note.
7344 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
7346 2005-09-01 DJ Delorie <dj@redhat.com>
7348 * varasm.c (output_constant): Let the target resolve
7349 conversions of addresses to non-default pointer sizes.
7351 2005-09-01 Nicolas Pitre <nico@cam.org>
7353 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
7354 to alow matching ARM pre-indexed addressing mode.
7355 (arm_override_options): Remove now irrelevant comment.
7357 2005-09-01 Phil Edwards <phil@codesourcery.com>
7359 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
7360 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
7361 * config/i386/vxworks.h: Likewise.
7362 * config/i386/t-vxworksae: New file, for VxWorks AE.
7363 * config/i386/vxworksae.h: Likewise.
7365 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
7367 PR tree-optimization/23410
7368 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
7369 sequence is not wrapping during the first step.
7371 2005-09-01 Jakub Jelinek <jakub@redhat.com>
7374 * dwarf2out.c (base_type_die): Compare char_type_node with
7375 TYPE_MAIN_VARIANT (type), not type.
7377 2005-09-01 Richard Guenther <rguenther@suse.de>
7379 PR tree-optimization/15366
7380 * common.opt: Add -finline-functions-called-once.
7381 Put -fearly-inlining in alphabetically ordered place.
7382 * doc/invoke.texi: Document new option.
7383 * ipa-inline.c (cgraph_decide_inlining): Honour
7384 flag_inline_functions_called_once.
7386 2005-09-01 Jakub Jelinek <jakub@redhat.com>
7388 PR rtl-optimization/23478
7389 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
7390 (alloc_qty): Initialize it.
7391 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
7392 (combine_regs): Combine also n_throwing_calls_crossed fields.
7393 (find_free_reg): Don't attempt to caller-save pseudos crossing
7394 calls that might throw.
7395 * global.c (struct allocno): Add throwing_calls_crossed field.
7396 (global_alloc): Revert 2005-08-22 change. Initialize
7397 throwing_calls_crossed.
7398 (find_reg): Don't attempt to caller-save pseudos crossing calls that
7401 2005-09-01 Alan Modra <amodra@bigpond.net.au>
7404 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
7405 (mask64_operand): Reinstate code prior to 2005-06-11 change.
7406 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
7407 (and64_2_operand): Tweak to use predicate.
7408 (and_operand): Adjust for mask_operand changes.
7409 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
7410 (print_operand): Likewise.
7411 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
7412 (mask64_1or2_operand): Delete.
7413 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
7414 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
7415 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
7416 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
7417 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
7418 (rotldi3_internal4): Likewise.
7419 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
7420 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
7421 (ashldi3_internal7): Likewise.
7422 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
7423 (ashldi3_internal, ashldi3_internal9 split): Likewise.
7424 (anddi3 split): Don't match mask64_operand.
7425 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
7426 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
7427 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
7428 't' splitter predicate.
7429 (movdi_internal64 + 2): Revert 2005-06-11 change.
7431 2005-08-31 DJ Delorie <dj@redhat.com>
7433 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
7434 (m32c_asm_integer): Add support for 32 bit pointers.
7436 2005-08-31 Richard Henderson <rth@redhat.com>
7438 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
7439 component-like references for setting MEM_NOTRAP_P.
7441 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
7442 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
7444 2005-08-31 Richard Henderson <rth@redhat.com>
7446 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
7447 into a pseudo before applying gen_lowpart.
7449 2005-08-31 Geoffrey Keating <geoffk@apple.com>
7451 * doc/install.texi (Specific): Update cctools version required
7452 for full functionality.
7453 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
7454 linkers as -macosx_version_min.
7456 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
7459 * sh.c (print_operand, %R and %S): Add handling of floating point
7460 registers, memory, constants and invalid operands.
7462 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
7464 * ipa-pure-const.c: Change dump name.
7466 2005-08-31 Uros Bizjak <uros@kss-loka.si>
7469 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
7470 to "reg_or_0_operand".
7471 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
7473 2005-08-31 Dale Johannesen <dalej@apple.com>
7475 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
7476 loops that count down.
7478 2005-08-31 Richard Henderson <rth@redhat.com>
7481 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
7482 (fixup_eh_region_note): New.
7483 (reload_as_needed): Call it.
7484 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
7485 don't call find_many_sub_basic_blocks; call verify_flow_info.
7486 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
7487 (keep_stack_depressed): Likewise.
7488 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
7490 2005-08-31 Richard Henderson <rth@redhat.com>
7492 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
7495 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
7497 * expr.c (expand_expr_real_1): Compare size of address
7498 mode to target's address mode size in deciding expansion of
7499 the constant address.
7501 2005-08-31 Richard Guenther <rguenther@suse.de>
7504 * expr.c (all_zeros_p): New function.
7505 (expand_expr_real_1): Handle the case of an all-zero
7506 non-addressable constructor separately.
7508 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
7510 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
7511 arguments, adjust all callers.
7512 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
7514 2005-08-30 Richard Henderson <rth@redhat.com>
7517 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
7518 whenever the mode sizes match.
7520 2005-08-31 Alan Modra <amodra@bigpond.net.au>
7522 * calls.c (load_register_parameters): Fix comment typo.
7523 * expr.c (emit_push_insn): Comment formatting.
7525 2005-08-30 Ian Lance Taylor <ian@airs.com>
7527 * config/i386/x-cygwin (host-cygwin): Change dependency from
7528 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
7530 2005-08-29 Geoffrey Keating <geoffk@apple.com>
7532 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
7535 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7538 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
7539 call to ggc_collect.
7541 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
7544 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
7545 beginning. Remove $(INCLUDES) from all the rules, if following
7546 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
7548 2005-08-29 Jakub Jelinek <jakub@redhat.com>
7551 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
7552 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
7553 not constant, but maxlen is, don't set len to maxlen, rather
7554 set maxlen to len if len is a constant.
7556 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
7558 PR tree-optimization/23475
7559 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
7562 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
7564 Fix PR middle-end/22455
7566 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
7567 Checksum only the parts of the tree that exist for the tree code.
7569 2005-08-28 Dale Johannesen <dalej@apple.com>
7571 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
7573 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
7575 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
7577 2005-08-28 Richard Henderson <rth@redhat.com>
7579 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
7580 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
7583 2005-08-28 Jakub Jelinek <jakub@redhat.com>
7586 * builtins.c (get_memory_rtx): Don't strip nops
7587 in between COMPONENT_REFs.
7589 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
7592 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
7594 (gimplify_modify_expr): Check for zero sized types and gimplify the
7595 rhs and lhs as statements.
7597 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
7600 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7601 state for return address column of signal frames.
7603 2005-08-27 David Edelsohn <edelsohn@gnu.org>
7606 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7607 bytes >= 2 not bytes == 2.
7608 (expand_block_move): Same.
7610 2005-08-27 Richard Guenther <rguenther@suse.de>
7613 * config/i386/sse.md (sse2_movsd): Add missing closing
7616 2005-08-27 Paul Brook <paul@codesourcery.com>
7618 * genrecog.c (enum decision_type): Add DT_num_insns.
7619 (struct decision_test): Add u.num_insns.
7620 (add_to_sequence): Add DT_num_insns test.
7621 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7622 (write_cond, debug_decision_2): Ditto.
7623 (change_state): Assume peep2_next_insn never fails.
7624 Remove "afterward" argument.
7625 (write afterward, write_tree): Update to match.
7626 * recog.c (peep2_current_count): New variable.
7627 (peep2_next_insn): Check it.
7628 (peephole2_optimize): Set peep2_current_count.
7629 * recog.h (peep2_current_count): Declare.
7631 2005-08-26 Josh Conner <jconner@apple.com>
7634 * ipa-pure-const.c (check_tree): Check for volatile-ness
7635 when considering a dereference.
7637 2005-08-27 Jakub Jelinek <jakub@redhat.com>
7639 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7641 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7643 PR rtl-optimization/23561
7644 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
7645 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7646 at most LEN bytes long memory fits into the field.
7647 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7648 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7649 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7651 2005-08-26 Richard Henderson <rth@redhat.com>
7654 * loop.c (biased_biv_may_wrap_p): New.
7655 (maybe_eliminate_biv_1): Use it to suppress non-equality
7656 comparison transformations. Delete disabled code.
7658 2005-08-26 Ian Lance Taylor <ian@airs.com>
7660 * combine.c (make_extraction): Avoid reference outside object.
7662 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
7664 * stor-layout.c (finalize_type_size): Restore behaviour for
7665 non-aggregate types to the status quo ante of the patch for
7666 pr 23467. Document why it matters.
7668 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7671 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7672 array by one element, initialize the BT_LAST element with NULL.
7674 2005-08-26 David Edelsohn <edelsohn@gnu.org>
7676 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7677 optimizing for size.
7679 (compare_plus_eqsi): Same.
7680 (plus_eqsi_compare): Same.
7681 (neg_eq0<mode>): Same.
7682 (neg_eq<mode>): Same.
7684 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7687 2005-08-26 Nick Clifton <nickc@redhat.com>
7689 * config/v850/v850.c (ep_memory_operand): Return FALSE if
7690 TARGET_EP is not defined.
7691 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7692 TARGET_EP is enabled.
7693 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7694 * config/v850/v850.md (save_all_interrupt): Only use the EP
7695 register if TARGET_EP is defined.
7696 (restore_all_interrupt): Likewise.
7697 * config/v850/lib1funcs.asm: Update functions so that the EP
7698 register is only used if __EP__ is defined.
7700 2005-08-26 David Ung <davidu@mips.com>
7702 * config/mips/mips.c (mips_expand_prologue): Handle case when
7703 generating for MIPS16 and the outgoing argument area is more than
7704 SMALL_OPERAND. Use the frame pointer as temporary to generate the
7707 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
7709 * config/crx/crx.md: Make doloop_end pattern usage controllable
7710 via mloop-nesting=<max-nesting> command line switch. Make sure
7711 the combiner cannot use doloop_end_<mode> in an illegal way.
7712 * config/crx/crx.c: Use regs up to r6 for argument passing.
7713 Refine crx_address_cost (non cst4 displacements are expensive).
7714 * config/crx/crx.opt: Add switch for mloop-nesting=.
7716 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
7718 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7719 (UNSPEC_MVST): New constant.
7721 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
7723 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7724 Reject operands containing eliminable registers.
7725 * testsuite/gcc.dg/20050825-1.c: New testcase.
7727 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7728 Jan Hubicka <jh@suse.cz>
7730 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7732 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7734 PR tree-optimization/23546
7735 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7738 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
7740 * params.def (PARAM_MIN_SPEC_PROB): New.
7741 * sched-rgn.c (MIN_PROBABILITY): Delete.
7742 (compute_trg_info): Convert to PARAM_VALUE.
7743 * doc/invoke.texi (param): Document min-spec-prob.
7745 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
7747 * config/darwin.h: define __PIC__
7748 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7749 TARGET_OS_CPP_BUILTINS macro.
7751 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7753 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7756 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7758 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7760 * cfghooks.c (duplicate_block): Added position where to place
7761 new block as argument.
7762 * cfghooks.h (duplicate_block): Declaration changed.
7763 * cfglayout.c (copy_bbs): Add argument after. Pass it to
7765 * cfglayout.h (copy_bbs): Declaration changed.
7766 * cfgloop.h (loop_version): Declaration changed.
7767 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7768 position to copy_bbs.
7769 (loop_version): Pass position to duplicate_loop_to_header_edge.
7770 Add place_after argument and position new blocks according to
7772 * modulo-sched.c (sms_schedule): Pass place_after argument
7774 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7775 * tree-cfg.c (split_edge_bb_loc): New function.
7776 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7777 to determine position of new blocks.
7778 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7780 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7781 argument to duplicate_block.
7782 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7783 Pass position to copy_bbs.
7785 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7787 * fold-const.c (ptr_difference_const): Use
7788 cst_and_fits_in_hwi instead of host_integerp.
7790 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7792 * config/darwin.c (gen_pic_offset): New.
7793 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
7796 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
7798 PR tree-optimization/23486
7799 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7801 2005-08-23 Phil Edwards <phil@codesourcery.com>
7803 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
7804 remove use_collect2.
7805 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
7807 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
7808 configuration files to override the default value.
7810 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
7811 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7812 * config/vx-common.h: New file, split out from...
7813 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
7814 * config/vxworksae.h: New file, for VxWorks AE.
7815 * config/vxworks.opt: New file.
7816 * config/vxlib.c: Update for VxWorks 6.
7818 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
7819 other MULTILIB_* variables appropriately.
7820 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
7821 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
7822 * config/rs6000/vxworks.h: Update for VxWorks 6.
7823 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
7825 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
7828 * config/darwin.c (machopic_select_section): Remove the hack to
7829 mark "::operator new" and "::operator delete" for coalescing
7830 even though they are not weak.
7832 2005-08-24 Alan Modra <amodra@bigpond.net.au>
7834 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7835 * configure: Regenerate.
7837 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7840 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7842 * convert.c (convert_to_integer, convert_to_vector): Likewise.
7843 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7846 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7848 * config/rs6000/predicates.md (equality_operator): New.
7849 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7850 comparison with a large constant.
7852 2005-08-23 Mark Mitchell <mark@codesourcery.com>
7854 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7856 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
7858 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7859 registers is even, and we have a hardware double precision fp,
7861 (sh_gimplify_va_arg_expr): For floating point arguments, consider
7862 size of current argument when checking if argument was passed in
7865 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7868 * stor-layout.c (finalize_type_size): Dont override
7869 existing alignment with a smaller alignment from the mode.
7871 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7873 * lambda-code.c (lambda_vector_lexico_pos): Moved...
7874 * lambda.h (lambda_vector_lexico_pos): ... here.
7875 * tree-data-ref.c (build_classic_dist_vector): Return false when
7876 the distance vector is lexicographically negative.
7878 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7880 PR tree-optimization/23511
7881 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7882 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7884 2005-08-23 Jakub Jelinek <jakub@redhat.com>
7886 PR tree-optimization/22043
7887 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7888 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7889 If ALLOW_FLEXARR, handle types ending with flexible array member.
7890 Pass false as second argument to recursive count_type_elements calls.
7891 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7892 argument to count_type_elements call.
7893 * tree-sra.c (decide_block_copy): Likewise.
7894 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7895 for a constant-sized object, set cleared as well. Pass true as
7896 second argument to count_type_elements call.
7898 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7901 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7902 from legitimate_small_data_p, and make global. Update use.
7903 Remove forward declaration.
7904 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7906 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7908 2005-08-23 David Edelsohn <edelsohn@gnu.org>
7910 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7911 of scratch intermediates.
7912 (eq<mode>_compare): Same.
7913 (neg_eq0<mode>): New.
7914 (neg_eq<mode>): Convert to define_insn_and_split.
7916 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7919 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7920 stdarg functions, set/clear the fp marker even when no variable
7922 * config/rs6000/sysv4.opt (mprototype): Describe.
7924 2005-08-22 Jakub Jelinek <jakub@redhat.com>
7926 PR rtl-optimization/23478
7927 * regs.h (reg_info): Add throw_calls_crossed.
7928 (REG_N_THROWING_CALLS_CROSSED): Define.
7929 * flow.c (allocate_reg_life_data): Initialize
7930 REG_N_THROWING_CALLS_CROSSED.
7931 (propagate_one_insn, attempt_auto_inc): Update
7932 REG_N_THROWING_CALLS_CROSSED.
7933 * global.c (global_alloc): Don't allocate pseudos across
7934 calls that may throw.
7936 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
7939 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7940 value is inbetween the range if we did not find an exact match.
7942 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
7944 * doc/invoke.texi (Option Summary): Add ms1 options.
7945 * doc/extend.texi: Document interrupt handler attribute for ms1.
7946 * doc/md.texi: Document ms1 constraints.
7947 * config.gcc: Add ms1-*-elf.
7948 * config/ms1/ms1.h: New.
7949 * config/ms1/ms1.c: New.
7950 * config/ms1/ms1.md: New.
7951 * config/ms1/ms1-protos.h: New.
7952 * config/ms1/ABI.txt: New.
7953 * config/ms1/crti.asm: New.
7954 * config/ms1/crtn.asm: New.
7955 * config/ms1/lib2extra-funcs.c: New.
7956 * config/ms1/t-ms1: New.
7957 * config/ms1/ms1.opt: New.
7959 2005-08-22 Ira Rosen <irar@il.ibm.com>
7961 * config/rs6000/altivec.md (xorv4sf3): New.
7962 (negv4sf2, neg<mode>2): Likewise.
7964 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
7967 * config/ia64/ia64.md (divsi3): Check divide by zero.
7968 (udivsi3): Likewise.
7970 (udivdi3): Likewise.
7972 2005-08-21 Jakub Jelinek <jakub@redhat.com>
7974 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7975 up to elem_bitsize bits, not max_bitsize.
7977 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7979 PR tree-optimization/23433
7980 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7981 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7983 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7985 PR tree-optimization/23434
7986 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7987 the iteration bound is not an INTEGER_CST.
7989 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
7991 * tree-vect-transform.c (get_initial_def_for_reduction): Set
7992 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7993 NULL if need_epilog_adjust is false.
7994 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7995 Case 3 always peels first itration, not just for PLUS case, and no need
7996 to use scalar_initial_def here. Create an epilog adjustment only if
7997 scalar_initial_def is not NULL.
7999 (vectorizable_reduction): Remove assert.
8001 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
8004 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
8005 (__moddi3): Likewise.
8006 (__udivdi3): Likewise.
8007 (__umoddi3): Likewise.
8008 (__divsi3): Likewise.
8009 (__modsi3): Likewise.
8010 (__udivsi3): Likewise.
8011 (__umodsi3): Likewise.
8013 2005-08-20 Jakub Jelinek <jakub@redhat.com>
8015 * tree-pass.h (TDF_GRAPH): Define.
8016 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
8017 * passes.c (finish_optimization_passes): Only call
8018 finish_graph_dump_file if TDF_GRAPH is set.
8019 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
8020 NULL. Set TDF_GRAPH bit.
8021 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
8023 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
8025 * arm.h (arm_stack_offsets): Add locals_base field.
8026 * arm.c (arm_get_frame_offsets): Compute it.
8027 (thumb_compute_initial_elimination offset): Make the Thumb frame
8028 pointer point to the base of the local variables.
8029 (thumb_expand_prologue): Update accordingly.
8030 (thumb_expand_epilogue): Likewise.
8032 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
8033 mode of clobbered scratch to DImode. Handle a case that's known to
8036 2005-08-19 David Edelsohn <edelsohn@gnu.org>
8038 * config/rs6000/rs6000.md (gt0<mode>): Delete.
8039 (gt0<mode>_compare): Delete.
8040 (neg_gt0<mode>): Delete.
8042 2005-08-19 Eric Christopher <echristo@apple.com>
8044 * optabs.h: Change CTI_ to COI_.
8047 2005-08-19 James E Wilson <wilson@specifix.com>
8049 * builtins.c (expand_builtin_return_addr): Set
8050 current_function_accesses_prior_frames when count != 0. Use
8051 frame_pointer_rtx when count == 0.
8052 * function.h (struct function): Add accesses_prior_frames field.
8053 (current_function_accesses_prior_frames): Define.
8054 * reload1.c (init_elim_table): Check
8055 current_function_accesses_prior_frames.
8056 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
8058 2005-08-19 Diego Novillo <dnovillo@redhat.com>
8060 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
8061 indicator. Return true if the flowgraph changed during
8064 2005-08-19 Diego Novillo <dnovillo@redhat.com>
8067 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
8068 conditional expression before testing its value.
8070 2005-08-19 Diego Novillo <dnovillo@redhat.com>
8072 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
8074 2005-08-19 Devang Patel <dpatel@apple.com>
8076 PR tree-optimization/23048
8077 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
8078 third parameter. Check whether latch is dominated by exit
8080 (if_convertible_loop_p): Supply exit block itself to
8081 if_convertible_bb_p.
8083 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
8086 * arm.md (arm_load_pic_register): Change argument to the mask of
8087 saved registers. Call thumb_find_work_register if we need a
8088 scratch register on Thumb.
8089 (arm_expand_prologue): Pass empty register set to
8090 arm_load_pic_register.
8091 (thumb_expand_prologue): Pass live_regs_mask directly to
8092 arm_load_pic_register.
8093 * arm-protos.h (arm_load_pic_register): Update prototype.
8095 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
8097 * sh.c (find_sole_member): New function.
8098 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
8099 if the record's alignment is larger than the size of its only member.
8101 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
8104 * arm.c (thumb_legitimize_reload_address): New function.
8105 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
8106 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
8108 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
8110 * config/crx/crx.c: Implement crx_decompose_address. Reject
8111 symbolic displacements since CRX register relative adressing
8112 mode can't handle unsigned 32-bit values as displacements.
8113 * config/crx/crx.h: Simplify definitions, remove redundant
8114 parenthesis and obsolete macros.
8115 * config/crx/crx.opt: Add new switch for debugging addresses.
8116 * config/crx/crx-protos.h: Add new declarations for above.
8118 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
8121 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
8124 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8126 * collect2.c (dup2): Delete.
8127 * configure.ac: Don't check for dup2.
8129 * config.in, configure: Regenerate.
8131 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
8133 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
8134 record with the type of its only member.
8136 2005-08-18 David Edelsohn <edelsohn@gnu.org>
8138 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
8139 define_insn_and_split.
8140 (plus_ltu<mode>_compare): Same.
8141 (gtu<mode>_compare): Same.
8142 (plus_gtu<mode>_compare): Same.
8144 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
8146 PR tree-optimization/22228
8147 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
8149 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
8150 are recorded in vect_vnames_to_rename for renaming.
8151 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
8152 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
8153 in vect_vnames_to_rename.
8154 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
8155 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
8157 2005-08-18 Jan Hubicka <jh@suse.cz>
8160 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
8161 info only for local statics, not for member variables.
8163 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8165 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
8167 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8169 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
8171 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
8174 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
8176 2005-08-17 James E Wilson <wilson@specifix.com>
8178 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8181 2005-08-17 David Edelsohn <edelsohn@gnu.org>
8183 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
8184 (leu<mode>_compare): Same.
8185 (plus_leu<mode>): Same.
8186 (neg_leu<mode>): Same.
8187 (and_neg_leu<mode): Same.
8188 (ltu<mode>_compare): Same.
8189 (plus_ltu<mode>): Same.
8191 (geu<mode>_compare): Same.
8192 (plus_geu<mode>): Same.
8193 (neg_geu<mode>): Same.
8194 (and_neg_geu<mode>): Same.
8195 (plus_gt<mode>): Same.
8196 (gtu<mode>_compare): Same.
8197 (plus_gtu<mode>): Same.
8199 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
8201 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
8202 Move call_table_data to end. Delete spurious .text.
8203 (callt_save_all_interrupt): Fix comment typo.
8205 2005-08-17 James E Wilson <wilson@specifix.com>
8206 Kevin Winchester <winchester@amirix.com>
8209 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
8211 2005-08-17 Uros Bizjak <uros@kss-loka.si>
8214 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
8215 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
8217 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
8219 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
8220 record with the type of its only member if the modes don't match.
8222 * varasm.c (decode_reg_name): Skip empty additional register names.
8224 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8226 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
8227 lsm_tmp_name_length): New.
8228 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
8229 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
8231 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
8232 Andreas Krebbel <krebbel1@de.ibm.com>
8234 * config.gcc: Added z9-109 switch.
8235 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
8236 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
8237 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
8238 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
8239 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
8240 for "z9_109" cpu attribute.
8241 * config/s390/s390.c (z9_109_cost): New processor cost structure.
8242 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
8243 (s390_handle_arch_option): Added z9-109 switch.
8244 (override_options): Set respective cost function for z9-109.
8245 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
8246 (legitimate_reload_constant_p): Accept extended immediates.
8247 (print_operand): Three new output modifiers added: k, m and o.
8248 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
8249 (s390_output_mi_thunk): Use extended immediate when possible.
8250 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
8251 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
8252 (CONSTRAINT_LEN): Added length of O constraint.
8253 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
8254 * config/s390/s390.md ("cpu"): New value z9_109 added.
8255 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
8256 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
8257 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
8258 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
8259 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
8260 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
8261 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
8262 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
8263 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
8264 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8265 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
8266 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
8267 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
8268 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
8269 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
8271 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
8272 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
8273 insns for TARGET_EXTIMM.
8275 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
8277 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
8279 2005-08-17 Nick Clifton <nickc@redhat.com>
8281 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
8282 Call default_encode_section_info.
8284 2005-08-17 Steven Bosscher <stevenb@suse.de>
8286 PR tree-optimization/21574
8287 * tree-ssa-ccp.c (likely_value): If the right hand side is a
8288 constant, return CONSTANT.
8289 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
8290 (ccp_fold, visit_assignment): Likewise.
8291 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
8293 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
8295 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
8296 fold_buildN instead of buildN then fold_initializer or fold.
8297 (build_unary_op): Likewise.
8298 (build_binary_op): Likewise.
8299 * fold-const.c (fold_initializer): Remove.
8300 (fold_build1_initializer): New function.
8301 (fold_build2_initializer): New function.
8302 (fold_build3_initializer): New function.
8303 * tree.h (fold_initializer): Remove.
8304 (fold_build1_initializer): New function.
8305 (fold_build2_initializer): New function.
8306 (fold_build3_initializer): New function.
8308 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
8310 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
8311 (try_move_mult_to_index): Call fold_build2 instead of build2.
8312 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
8313 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
8314 fold_binary_to_constant.
8315 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
8317 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
8318 check if A == gcd (A, B). Remove TYPE argument.
8319 (analyze_offset) Use fold_build2 instead of fold (build.
8320 (create_data_ref): Likewise.
8321 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
8322 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
8325 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
8327 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
8328 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
8330 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
8333 * gimplify.c (zero_sized_type): New function.
8334 (gimplify_modify_expr_rhs): If we have a zero sized type,
8335 replace the statement with an empty statement.
8337 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
8339 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
8342 2005-08-16 Ian Lance Taylor <ian@airs.com>
8344 * doc/tm.texi (Label Output): Correct typo.
8346 2005-08-16 Steven Bosscher <stevenb@suse.de>
8349 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
8350 force_operand will work later on using have_insn_for.
8352 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8354 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
8356 2005-08-16 Ian Lance Taylor <ian@airs.com>
8359 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
8360 vector type, don't try to construct it element by element. Add an
8361 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
8363 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8365 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
8367 2005-08-16 Geoffrey Keating <geoffk@apple.com>
8369 * doc/invoke.texi (Precompiled Headers): Document some more options
8370 which are known to be safe.
8372 2005-08-16 James E Wilson <wilson@specifix.com>
8374 PR tree-optimization/21105
8375 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8376 TREE_OVERFLOW check.
8378 2005-08-16 David Edelsohn <edelsohn@gnu.org>
8380 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
8381 (neg_ltu<mode>): Same.
8383 (neg_gtu<mode>): Same.
8385 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8387 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
8388 (fold_builtin_isdigit): Use fold_buildN.
8389 (build_function_call_expr): Likewise.
8390 * c-typeck.c (c_finish_loop): Likewise.
8392 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
8393 Richard Shann <rshann@superh.com>
8395 PR middle-end/20396:
8396 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
8398 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
8400 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
8402 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
8405 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
8406 arm_compure_save_reg0_reg12_mask to determine when the PIC register
8409 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8412 * fold-const.c (build_range_check): Disable optimization for function
8413 pointer expressions on targets that require function pointer
8416 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
8418 * simplify-rtx.c (simplify_const_relational_operation): When
8419 extracting arguments of a COMPARE, recompute the mode as well.
8421 2005-08-15 Ian Lance Taylor <ian@airs.com>
8423 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
8425 2005-08-15 DJ Delorie <dj@redhat.com>
8427 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
8429 (movsi_splittable): Allow, but split, moves to the stack.
8430 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
8433 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8435 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
8436 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
8437 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
8439 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
8440 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
8441 Delete HOST_PTR_PRINTF.
8443 * configure, config.in: Regenerate.
8445 2005-08-15 David Edelsohn <edelsohn@gnu.org>
8447 * config/rs6000/rs6000.md (QHSI): New mode macro.
8448 (wd): Extend mode attr for QImode and HImode
8449 (dbits): New mode attr.
8450 (zero_extend<mode>di2): Convert to mode macro.
8452 2005-08-15 Steve Ellcey <sje@cup.hp.com>
8455 * doc/invoke.texi (-mgnu-ld): Update description.
8458 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
8461 * Makefile.in (tree-chrec.o): Depends on real.h.
8462 * tree-chrec.c: Include real.h.
8463 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
8464 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
8465 * tree-scalar-evolution.c (add_to_evolution_1,
8466 interpret_rhs_modify_expr): Ditto.
8468 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
8471 * tree-data-ref.c (estimate_niter_from_size_of_data): When
8472 step is negative compute the estimation from init downwards to zero.
8474 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
8476 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
8478 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
8480 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
8482 (legitimate_reload_constant_p): Fix handling of lliXX operands.
8483 Accept double-word constants that can be split.
8484 * config/s390/s390.md ("movti"): Use 'P' constraint.
8485 ("*movdi_31", "*movdf_31"): Likewise.
8487 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
8489 Fix PR tree-optimization/22615
8491 * tree-ssa-structalias.c (solution_set_add): Handle
8492 first_vi_for_offset returning NULL.
8493 (do_da_constraint): Ditto.
8494 (do_sd_constraint): Ditto.
8495 (do_ds_constraint): Ditto
8496 (find_func_aliases): Ditto.
8497 (build_constraint_graph): RHS is allowed be ANYTHING.
8498 (first_vi_for_offset): Return NULL if we couldn't find anything at
8501 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
8503 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
8504 over memory as first operand.
8506 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
8509 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
8510 available for setting it.
8512 2005-08-14 Ira Rosen <irar@il.ibm.com>
8514 PR tree-optimization/23320
8515 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
8516 data-refs' types instead of base object nullness. Add check for
8517 pointer type data-refs before first location comparison. Remove
8520 2005-08-14 Andreas Schwab <schwab@suse.de>
8522 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
8524 2005-08-13 James E Wilson <wilson@specifix.com>
8526 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
8527 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
8528 -fstack-protector-all, --param ssp-buffer-size): Document.
8529 (-Wvariadic-macros): Alphabetize.
8530 (-fsched-stalled-insns-dep): Add missing 'f'.
8532 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
8535 2005-08-13 David Edelsohn <edelsohn@gnu.org>
8537 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
8538 or indirect address operand.
8539 (EXTRA_ADDRESS_CONSTRAINT): New.
8540 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
8542 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
8544 PR tree-optimization/22236
8545 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
8546 successors and predecessors.
8547 * tree-chrec.c (chrec_convert): Before converting, check that
8548 sequences don't wrap.
8549 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
8550 (analyze_array): Extern.
8551 (find_data_references_in_loop): Remove call to
8552 compute_estimated_nb_iterations.
8553 * tree-data-ref.h (analyze_array): Declared.
8554 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
8555 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
8556 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
8557 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
8559 * tree-ssa-loop-ivcanon.c: Fix documentation.
8560 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
8561 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
8562 (infer_loop_bounds_from_undefined): New.
8563 (estimate_numbers_of_iterations_loop): Use
8564 infer_loop_bounds_from_undefined.
8565 (used_in_pointer_arithmetic_p): New.
8566 (scev_probably_wraps_p): Pass an extra parameter. Call
8567 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
8568 (convert_step): Fix documentation.
8569 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
8570 Use initial_condition_in_loop_num and evolution_part_in_loop_num
8571 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
8572 scev_probably_wraps_p.
8574 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
8576 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
8577 (s390_register_info): Ignore clobbered_regs information for fixed
8578 registers, and only fixed registers.
8579 (s390_init_frame_layout): Remove redundant call.
8581 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
8583 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
8584 description of -Wold-style-casts.
8586 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8587 Jakub Jelinek <jakub@redhat.com>
8589 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8590 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
8591 * config/s390/s390.c (print_operand): New output modifier 'G' added.
8592 (get_thread_pointer): Renamed to s390_get_thread_pointer.
8593 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
8594 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
8595 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8596 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8597 ("stack_protect_set", "stack_protect_test"): New expanders.
8598 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8599 "stack_protect_testdi"): New insn definitions.
8601 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8603 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8605 2005-08-12 Paul Brook <paul@codesourcery.com>
8607 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8609 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8611 * config/s390/predicates.md (setmem_operand): New predicate.
8612 (shift_count_operand): Accept ANDs with special constants as
8614 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8615 with special constants.
8616 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8617 shift_count_operand with setmem_operand.
8619 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8621 * config/s390/s390.c (s390_extract_part, s390_single_part):
8623 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8624 (s390_output_mi_thunk): Don't use lg on 31 bit.
8625 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8626 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8628 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8630 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8631 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8632 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8633 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8634 with one of the new macros.
8636 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8638 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8639 Don't set save_return_addr_p.
8640 (s390_register_info): Make clobbered_regs not depending on
8643 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
8645 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8646 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8648 2005-08-11 James E. Wilson <wilson@specifix.com>
8650 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8652 2005-08-11 Jakub Jelinek <jakub@redhat.com>
8654 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8655 locations gathered by var-tracking in single entry loc_list
8656 over loc_descriptor_from_tree.
8658 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8659 pass it down to loc_descriptor.
8660 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8661 (containing_function_has_frame_base): Move earlier in the file.
8662 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8663 instead of always assuming fbreg can't be used.
8665 2005-08-11 David Edelsohn <edelsohn@gnu.org>
8667 * config/rs6000/altivec.md: Change constraint "m" to "Z".
8668 * config/rs6000/predicates.md (indexed_or_indirect_operand):
8669 Accept address wrapped in AND for Altivec.
8670 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8671 Strip AND wrapping offset address for Altivec.
8673 2005-08-11 Richard Henderson <rth@redhat.com>
8676 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8677 before using TYPE_IS_SIZETYPE.
8679 2005-08-11 Richard Henderson <rth@redhat.com>
8682 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8683 insn types not present on ev4.
8684 (alphaev5_insn_pipe): Similarly.
8686 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
8689 * arm.c (arm_override_options): If the user has selected callee-super-
8690 interworking, then enable normal interworking.
8692 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8694 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8697 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
8699 * doc/rtl.texi: Fix two typos.
8701 2005-08-11 Richard Guenther <rguenther@suse.de>
8704 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8705 cases where we call to/from functions returning void.
8707 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
8710 * tree.c (build_pointer_type_for_mode): Robustify.
8712 2005-08-10 James E Wilson <wilson@specifix.com>
8714 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8715 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8717 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8720 2005-08-10 Eric Christopher <echristo@apple.com>
8722 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8723 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8726 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
8729 * config/darwin.c (machopic_indirect_data_reference): Use a new register
8730 for the high part when generating dynamic-no-pic code.
8732 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
8734 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8735 (x86_64-*-linux*): Likewise.
8737 * config/i386/crtfastmath.c: New file.
8738 * config/i386/t-crtfm: Likewise.
8740 * config/i386/linux.h (ENDFILE_SPEC): New.
8741 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8743 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8746 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
8748 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8749 (vec_shl, vec_shr): Document new operations.
8750 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8752 2005-08-10 David Edelsohn <edelsohn@gnu.org>
8754 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8755 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8756 change predicate to indexed_or_indirect_address.
8758 2005-08-10 Richard Sandiford <richard@codesourcery.com>
8760 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8761 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8762 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8763 and __aeabi_uwrite8.
8764 * config/arm/unaligned-funcs.c: New file.
8765 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8767 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
8769 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8771 * cfglayout.c (pass_insn_locators_initialize): Add dump.
8772 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8774 * except.c (pass_convert_to_eh_region_ranges): Add dump.
8775 * final.c (pass_shorten_branches): Add dump.
8776 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8777 (pass_life): Rename dump.
8778 (rest_of_handle_flow2): Remove initial verify_flow_info.
8779 * function.c (pass_instantiate_virtual_regs): Add dump.
8780 * integrate.c (pass_initial_value_sets): Add dump.
8781 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8782 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8783 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8784 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8785 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8786 gate_rtl_unrool_and_peel_loops): New.
8787 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8788 rtl_doloop): Do not look at flags.
8789 * mode-switching.c (pass_mode_switching): Add dump.
8790 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8791 pass_split_before_regstack): Add dump.
8792 * regmove.c (pass_stack_adjustments): Add dump.
8793 * tree-optimize.c (pass_fixup_cfg): Add dump.
8795 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8798 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8799 deciding which instruction sequence to use.
8801 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
8803 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8804 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8806 2005-08-09 Richard Guenther <rguenther@suse.de>
8808 * c-common.c (builtin_function_2): Remove.
8809 (def_builtin_1): New function.
8810 (c_common_nodes_and_builtins): Use def_builtin_1 to
8811 build builtin functions.
8813 2005-08-09 Jie Zhang <jie.zhang@analog.com>
8815 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8816 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8817 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8820 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8822 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8823 fold_binary instead of fold_build2 since we don't care about the
8825 (loop_niter_by_eval): Likewise.
8826 (compare_trees): Likewise.
8827 (proved_non_wrapping_p): Likewise.
8829 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8833 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8834 if the if is really empty.
8836 2005-08-09 Steven Bosscher <stevenb@suse.de>
8838 PR tree-optimization/23234
8839 * tree-ssa-math-opts.c (place_reciprocal): New enum.
8840 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8841 argument of the new enum.
8842 (execute_cse_reciprocals): Add reciprocals for function arguments
8843 on the unique successor edge of the entry block. Update other calls
8844 to execute_cse_reciprocals_1.
8846 2005-08-08 Richard Henderson <rth@redhat.com>
8849 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8851 2005-08-08 Bob Wilson <bob.wilson@acm.org>
8853 * expr.c (write_complex_part): Return after handling MEM.
8855 2005-08-08 Josh Conner <jconner@apple.com>
8857 PR rtl-optimization/23241
8858 * combine.c (simplify_comparison): Fix error in determining
8859 whether to lift a subreg from comparison.
8861 2005-08-08 David Edelsohn <edelsohn@gnu.org>
8864 * config/rs6000/altivec.md (vec_init<mode>): New.
8865 (vec_set<mode>): New.
8866 (vec_extract<mode>): New.
8867 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8868 (rs6000_expand_vector_set): New.
8869 (rs6000_expand_vector_extract): New.
8870 (rs6000_legitimate_offset_address_p): Offset addresses are valid
8871 for Altivec modes before reload.
8872 (altivec_expand_vec_init_builtin): New.
8873 (get_element_number): New.
8874 (altivec_expand_vec_set_builtin): New.
8875 (altivec_expand_vec_ext_builtin): New.
8876 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8878 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8880 * config/rs6000/rs6000.h (rs6000_builtins): Add
8881 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8882 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8883 * config/rs6000/rs6000-protos.h: Declare new functions.
8885 2005-08-08 Jan Hubicka <jh@suse.cz>
8887 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8888 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8889 * i386.md (movdi*): Use pic_32bit_operand.
8890 * predicates.md (pic_32bit_operand): New.
8892 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
8895 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8897 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
8899 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8900 (test_for_singularity): Use fold_build2.
8902 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8904 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8906 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
8908 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8909 (COMMON_ASM_OP) Define.
8910 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8911 (ix86_encode_section_info): Likewise.
8912 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8913 SUBTARGET_ENCODE_SECTION_INFO.
8915 2005-08-06 Richard Henderson <rth@redhat.com>
8918 * tree-nested.c (convert_local_reference): Save and restore val_only
8919 around component_ref and friends. Clear walk_subtrees by default.
8921 2005-08-06 Peter O'Gorman <peter@pogma.com>
8924 * gcc.c (process_command): Check the argument to -b has a dash.
8925 * doc/invoke.texi: Update -b and -V docs.
8927 2005-08-06 James E Wilson <wilson@specifix.com>
8929 * config/mips/cross64.h, config/mips/t-cross64: Delete.
8931 2005-08-06 Michael Matz <matz@suse.de>
8933 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8934 member only if only one insn is associated with the value.
8936 2005-08-06 Nick Clifton <nickc@redhat.com>
8938 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8940 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8941 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8942 Check symbol flags instead of symbol name mangling.
8943 (xstormy16_asm_output_aligned_common): Likewise. Also
8944 simplify code since the bss100_section cass is the only case
8945 where the below100 code will be triggered.
8946 (xstormy16_encode_section_info): Encode below100 attribute
8947 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8949 (xstormy16_strip_name_encoding): Delete - this function is no
8951 (TARGET_STRIP_NAME_ENCODING): Undefine.
8952 * config/stormy16/stormy16-protos.h: Delete prototype for
8953 xstormy16_strip_name_encoding.
8955 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
8957 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8958 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8959 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8960 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8961 config/alpha/predicates.md, config/arc/arc.h,
8962 config/arm/arm.h, config/arm/ieee754-df.S,
8963 config/arm/ieee754-sf.S, config/bfin/bfin.c,
8964 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8965 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8966 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8967 config/m68hc11/m68hc11.h, config/mips/mips.c,
8968 config/mips/mips.h, config/mips/openbsd.h,
8969 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8970 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8971 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8972 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8973 config/sparc/linux.h, config/sparc/linux64.h,
8974 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8975 doc/extend.texi, doc/gcov.texi, doc/install.texi,
8976 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8977 typos. Follow spelling conventions.
8979 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
8982 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8983 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8984 specially. Check for side effects only for COND_EXPR.
8985 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8986 return with TREE_NO_WARNING.
8988 2005-08-06 Richard Sandiford <richard@codesourcery.com>
8990 PR rtl-optimization/23233
8991 * loop.c (combine_movables): Require the modes to be the same.
8992 (move_movables): Remove handling of cases where the replacement
8993 had a different mode to the original.
8995 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
8997 PR tree-optimization/23128
8998 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8999 subtraction wrap, and set TREE_OVERFLOW if they do.
9001 2005-08-05 Richard Henderson <rth@redhat.com>
9004 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
9005 FORCED_LABEL labels.
9007 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
9010 * reload.c (find_reloads_subreg_address): Pass down TYPE
9011 unchanged. Change all callers except find_reloads_toplev.
9013 2005-08-05 Michael Matz <matz@suse.de>
9015 * genattrtab.c (current_alternative_string): Remove.
9016 (SIMPLIFY_ALTERNATIVE): Ditto.
9017 (attr_alt_bit_p): Ditto.
9018 (alternative_name): Make const char *.
9019 (evaluate_eq_attr): Remove use of above things.
9020 (simplify_test_exp): Ditto.
9021 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
9022 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
9024 2005-08-04 James E Wilson <wilson@specifix.com>
9026 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
9027 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
9028 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
9029 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
9030 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
9032 2005-08-04 Richard Henderson <rth@redhat.com>
9035 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
9036 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
9037 * tree-sra.c (decide_block_copy): Use it. Disable element copy
9038 if we'd have to instantiate too many members.
9040 2005-08-04 Richard Henderson <rth@redhat.com>
9043 * tree-outof-ssa.c (coalesce_asm_operands): New.
9044 (coalesce_ssa_name): Use it. Split out ...
9045 (coalesce_phi_operands, coalesce_result_decls): ... these.
9047 2005-08-04 Paul Brook <paul@codesourcery.com>
9049 * read-rtl.c (read_quoted_string): Break if EOF.
9051 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
9053 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
9054 (fold_build2): Likewise.
9055 (fold_build3): Likewise.
9056 (fold_build1_stat): New function prototype.
9057 (fold_build2_stat): Likewise.
9058 (fold_build3_stat): Likewise.
9059 * fold-const.c (fold_build1): Rename to ..
9060 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
9061 through to build1_stat.
9062 (fold_build2): Rename to ..
9063 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
9064 through to build2_stat.
9065 (fold_build3): Rename to ..
9066 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
9067 through to build3_stat.
9069 2005-08-04 David Edelsohn <edelsohn@gnu.org>
9070 Ian Lance Taylor <ian@airs.com>
9072 * function.c (assign_stack_local_1): Do not correct stack slot
9073 address if allocation size is smaller than mode size.
9075 2005-08-04 Diego Novillo <dnovillo@redhat.com>
9078 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
9079 (tree_merge_blocks): Propagate anything allowed by
9081 Clarify documentation.
9082 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
9083 SSA form, schedule an update if necessary.
9085 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
9087 * doc/install.texi (Binaries): Remove broken link to
9088 Sinix/Reliant Unix binaries.
9090 2005-08-03 Richard Henderson <rth@redhat.com>
9093 * function.c (stack_protect_epilogue): Export.
9094 * tree.h (stack_protect_epilogue): Declare.
9095 * calls.c (expand_call): Call it.
9097 2005-08-03 Eric Christopher <echristo@apple.com>
9099 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
9100 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
9103 2005-08-04 Jan Hubicka <jh@suse.cz>
9105 * profile.c (branch_prob): Split edges with goto locus on them
9106 to get proper line counts.
9107 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
9109 2005-08-03 Paul Brook <paul@codesourcery.com>
9111 * function.c (assign_parms): Round current_function_args_size
9112 to PARM_BOUNDARY, not STACK_BOUNDARY.
9114 2005-08-03 Geoffrey Keating <geoffk@apple.com>
9116 * config/i386/i386.c (x86_elf_aligned_common)
9117 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
9119 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
9121 PR tree-optimization/23157
9122 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
9123 before emitting them.
9125 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9127 PR tree-optimization/19899
9128 * Makefile.in (tree-scalar-evolution.o): Add real.h.
9129 * tree-scalar-evolution.c: Include real.h.
9130 (add_to_evolution): Build constant -1 of correct type.
9132 2005-08-03 Jan Hubicka <jh@suse.cz>
9134 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
9135 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
9136 profile updating for complette unrolling.
9137 * loop-unroll.c (peel_loop_completely): Use it.
9138 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
9139 (tree_unroll_loops_completely): Disable code growing unrolling of cold
9142 2005-08-03 Paul Brook <paul@codesourcery.com>
9144 * combine.c (can_change_dest_mode): New function.
9145 (try_combine, simplify_set): Use it.
9147 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
9149 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
9152 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
9154 * doc/install.texi (Specific): Adjust link to openavr.org.
9155 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
9156 (Binaries): Adjust HP-UX Porting Center link.
9157 (Binaries): Adjust Free Software Foundation ordering link.
9159 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
9161 * convert.c (convert_to_integer): Use fold_build1 instead of
9162 build1 when converting an integer to an integer.
9164 2005-08-02 Richard Henderson <rth@redhat.com>
9166 * combine.c (combine_instructions): Don't use reg_equal/equiv
9167 results if the mode doesn't match.
9169 2005-08-02 Mark Mitchell <mark@codesourcery.com>
9171 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
9172 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
9174 2005-08-02 Richard Henderson <rth@redhat.com>
9177 * explow.c (memory_address): Remove special-case for
9178 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
9180 2005-08-02 Diego Novillo <dnovillo@redhat.com>
9183 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
9184 number of calls to cleanup_tree_cfg_1.
9186 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
9188 * doc/invoke.texi: document file extensions .F90 and .F95
9190 2005-08-02 Richard Guenther <rguenther@suse.de>
9192 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
9193 positive if its first argument is positive.
9195 2005-08-02 Richard Guenther <rguenther@suse.de>
9197 PR tree-optimization/23177
9198 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
9201 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
9203 PR tree-optimization/23129
9204 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
9205 varying for divisions with anti-ranges.
9207 2005-08-02 Jan Hubicka <jh@suse.cz>
9209 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
9210 * tree-ssa-threadupdate.c (thread_block): Add it here.
9212 2005-08-01 James E Wilson <wilson@specifix.com>
9214 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
9215 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
9216 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
9218 * config/mips/predicates.md (const_call_insn_operand): Add check for
9219 SYMBOL_REF_LONG_CALL_P.
9220 * doc/extend.texi (long_call): Document the new attribute.
9222 2005-08-01 Ian Lance Taylor <ian@airs.com>
9223 Richard Henderson <rth@redhat.com>
9225 * Makefile.in (RTL_BASE_H): Add real.h.
9226 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
9228 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
9230 * rtl.c (rtl_check_failed_code_mode): New.
9231 * rtl.h (struct rtx_def): Add u.rv.
9232 (XCMWINT, XCNMPRV): New.
9233 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
9234 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
9236 2005-08-01 Richard Henderson <rth@redhat.com>
9238 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
9239 with auto-inc codes.
9241 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
9243 2005-08-01 Jan Hubicka <jh@suse.cz>
9245 * i386-protos.h (asm_preferred_eh_data_format): Declare.
9246 * i386.c: Include dwarf2.h
9247 (asm_preferred_eh_data_format): New.
9248 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
9250 2005-08-01 Ian Lance Taylor <ian@airs.com>
9252 * config/host-linux.c (linux_gt_pch_get_address): Add new name
9253 randomize_va_space for virtual address randomization control.
9255 2005-08-01 Steven Bosscher <stevenb@suse.de>
9257 * common.opt (flag_ipa_cp): Put in right place to maintain
9260 2005-08-01 Jan Hubicka <jh@suse.cz>
9262 * profile.c (compute_value_histograms): Fix thinko.
9263 * value-prof.c: Include toplev.h
9264 (check_counter): New function.
9265 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
9266 tree_mod_subtract_transform): Add sanity check.
9268 2005-08-01 Richard Guenther <rguenther@suse.de>
9270 PR tree-optimization/23133
9271 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
9272 current functions parameter decls to find defs to cse
9275 2005-08-01 Richard Guenther <rguenther@suse.de>
9277 PR tree-optimization/23109
9278 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
9279 If trapping math is in effect, use post-dominator information
9280 to check if we'd in any case reach a trapping point before
9281 doing the reciprocal insertion.
9282 (execute_cse_reciprocals): Compute post-dominators, if necessary.
9283 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
9284 expressions are invariant only if trapping math is not in effect.
9286 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
9288 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
9289 cgraph_function_versioning): New declarations.
9290 * cgraphunit.c: Add include to ipa-prop.h.
9291 (update_call_expr, cgraph_copy_node_for_versioning,
9292 cgraph_function_versioning): New functions.
9293 * integrate.c (copy_decl_for_inlining): Remove.
9294 * ipa-prop.h (ipa_replace_map): New struct.
9295 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
9296 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
9297 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
9298 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
9299 ipcp_iterate_stage, ipcp_method_scale_print,
9300 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
9301 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
9302 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
9303 ipcp_update_bb_counts, ipcp_update_profiling,
9304 ipcp_update_edges_counts): New functions.
9305 (ipcp_method_cval_init): Remove restriction regarding local methods.
9306 (ipcp_init_stage): Add ipcp_method_compute_scale.
9307 (ipcp_insert_stage): Add versioning.
9308 (ipcp_structures_print): Add ipcp_method_scale_print.
9309 (ipcp_driver): Dump profiling info.
9310 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
9311 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
9312 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
9313 (struct inline_data): Add versioning_p, ipa_info, new fields.
9314 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
9315 declare_return_variable): Replace calls to copy_decl_for_inlining with
9317 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
9319 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
9320 Add argument VERSIONING.
9321 (copy_arguments_for_versioning, copy_static_chain,
9322 function_versionable_p, tree_versionable_function_p,
9323 tree_function_versioning, replace_ref_tree): New functions.
9324 * tree-inline.h: Include varray.h.
9325 (tree_versionable_function_p, tree_function_versioning,
9326 tree copy_decl_for_dup): New declarations.
9328 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
9330 * ipa-cp.c: New file. Contains IPCP specific functionality.
9331 * ipa-prop.h: New file. Contains structures/definitions that can be
9332 used by several interprocedural data flow optimizations (and also IPCP).
9333 * ipa-prop.c: New file.
9334 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
9335 * common.opt: Add ipa-cp flag.
9336 * timevar.def: Add IPCP optimization.
9337 * tree-optimize.c (init_tree_optimization_passes): Schedule
9339 * tree-pass.h (pass_ipa_cp): Declare.
9341 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
9343 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
9344 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
9345 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
9346 config/i386/i386.c, config/mips/mips.h,
9347 config/rs6000/rs6000.h, config/sh/sh.c,
9348 config/stormy16/stormy16.c: Fix comment typos.
9350 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
9353 * c-typeck.c (build_binary_op): Use common_type wrapper on
9355 (common_type): Update comment.
9357 2005-07-31 Steven Bosscher <stevenb@suse.de>
9360 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
9361 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
9362 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
9364 2005-07-31 Jan Hubicka <jh@suse.cz>
9366 * pretty-print.h (pp_widest_integer): New macro.
9367 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
9370 2005-07-31 Jan Hubicka <jh@suse.cz>
9372 * output.h (enum section_category): Export from varasm.c
9373 (categorize_decl_for_section): Likewise.
9374 * varasm.c (enum section_category): Kill.
9375 (categorize_decl_for_section): Make global.
9376 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
9378 * i386.c (ix86_section_threshold): New static variable.
9379 (ix86_in_large_data_p, ix86_encode_section_info,
9380 x86_64_elf_unique_section,
9381 x86_64_elf_select_section): New functions.
9382 (TARGET_ENCODE_SECTION_INFO): Define
9383 (override_options): Enable medium model for PIC.
9384 (ix86_expand_prologue): Expand gen_set_got_rex64.
9385 (legitimate_constant_p): Handle new UNSPECs.
9386 (legitimate_pic_address_disp_p): Likewise.
9387 (legitimize_pic_address): Lower MEDIUM model addressing.
9388 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
9389 (enum cmodel): Add MEDIUM_PIC.
9390 (SYMBOL_REF_FAR_ADDR_P): New macro.
9391 (SYMBOL_FLAG_FAR_ADDR): New flag.
9392 * i386.md (movdi): Support medium model.
9393 (set_got_rex64): New pattern.
9394 * i386.opt (mlarge-data-threshold): New flag.
9395 * predicates.md (zext_operand/sext_operand): Deal with medium model.
9396 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
9397 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
9398 TARGET_ASM_UNIQUE_SECTION): New.
9400 * invoke.texi (-mlarge_data_threshold): Document
9402 2005-07-31 Jan Hubicka <jh@suse.cz>
9404 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
9405 (coalesce_vars): Likewise.
9406 * tree-ssa-live.c (coalesce_cost): New.
9407 (build_tree_conflict_graph): Use coalesce_cost.
9408 * tree-ssa-live.h (coalesce_cost): Declare.
9410 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
9412 * arm.md (all peepholes for post-increment operations): Delete.
9413 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
9414 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
9415 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
9416 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
9417 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
9419 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
9421 * fold-const.c (tree_expr_nonnegative_p): Always return true for
9424 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
9427 * doc/invoke.texi: Document -rdynamic.
9429 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
9432 * c-parser.c (c_parser_parms_list_declarator): Call
9433 mark_forward_parm_decls.
9434 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
9435 decls with visibility structure.
9437 2005-07-30 Paul Brook <paul@codesourcery.com>
9439 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
9441 2005-07-30 Paul Brook <paul@codesourcery.com>
9443 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
9445 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
9447 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
9449 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9452 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
9453 nested function declarators.
9454 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
9455 (grokparms): Call warn_if_shadowing for parameters used within the
9457 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
9458 not used within the parameter list.
9459 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
9461 2005-07-30 Jan Hubicka <jh@suse.cz>
9463 * expr.c (expand_expr_real_1): Do not load mem targets into register.
9464 * i386.c (ix86_fixup_binary_operands): Likewise.
9465 (ix86_expand_unary_operator): Likewise.
9466 (ix86_expand_fp_absneg_operator): Likewise.
9467 * optabs.c (expand_vec_cond_expr): Validate dest.
9469 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9472 * real.c (real_from_string): Also set last bit if there is a
9473 nonzero hex digit beyond GCC's internal precision after ".".
9475 2005-07-29 David Edelsohn <edelsohn@gnu.org>
9477 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
9478 define_constants. Change duplicate values to unassigned numbers.
9479 Change UNSPEC_SUBS to UNSPEC_VSUBS.
9480 (*altivec_vspltsf): New.
9481 (altivec_vperm_v4sf): Delete.
9482 (altivec_vperm_<mode>): Use mode macro V.
9483 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
9484 (altivec_predicate_v4sf): Delete.
9485 (altivec_predicate_<mode>): Use mode macro V.
9486 (*altivec_lvesfx): New.
9487 (*altivec_stvesfx): New.
9488 (vec_realign_load_v4sf): Delete.
9489 (vec_realign_load_<mode>): Use mode macro V.
9490 * config/rs6000/rs6000.c (generate_set_vrsave): Use
9493 2005-07-29 Mark Mitchell <mark@codesourcery.com>
9496 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
9498 * configure: Regenerated.
9500 2005-07-29 Paul Brook <paul@codesourcery.com>
9502 * doc/install.texi: Add link to GFortran binaries wiki page.
9504 2005-07-29 David Ung <davidu@mips.com>
9506 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
9507 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
9508 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
9509 * config/mips/mips.md (cpu): Add 5kf name.
9510 (includes): Includes 5k.md.
9511 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
9512 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
9515 2005-07-29 Diego Novillo <dnovillo@redhat.com>
9518 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
9519 (cleanup_tree_cfg): ... here.
9520 Call cleanup_tree_cfg_1 until there are no more cleanups to
9523 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
9525 * tree-vrp.c (compare_range_with_value): Return true or false
9526 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
9527 EQ_EXPR respectively.
9529 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
9531 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
9534 2005-07-29 Diego Novillo <dnovillo@redhat.com>
9536 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
9537 (tree_ssa_dominator_optimize): Increment it.
9538 (dump_dominator_optimization_stats): Print it.
9540 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
9541 Steven Bosscher <stevenb@suse.de>
9543 PR rtl-optimization/23117
9544 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
9545 when head == tail. Tidy comment.
9547 2005-07-28 Richard Henderson <rth@redhat.com>
9549 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
9550 * cselib.c (rtx_equal_for_cselib_p): Likewise.
9551 * jump.c (rtx_renumbered_equal_p): Likewise.
9552 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
9553 CONST_INT and CONST_DOUBLE.
9554 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
9555 * reload.c (operands_match_p): Special case CONST_INT and
9556 CONST_DOUBLE; check mode earlier.
9558 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9561 * c-typeck.c (convert_for_assignment): Do not check
9562 DECL_IN_SYSTEM_HEADER on NULL fundecl.
9564 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9567 * c-typeck.c (composite_type): Prefer constant size arrays to
9570 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9573 * real.c (real_from_string): Set last bit if there is a nonzero
9574 hex digit beyond GCC's internal precision.
9576 2005-07-28 Richard Henderson <rth@redhat.com>
9579 * cfgcleanup.c (try_forward_edges): Watch out for end of
9582 2005-07-28 James E Wilson <wilson@specifixinc.com>
9585 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
9587 2005-07-28 Jan Hubicka <jh@suse.cz>
9589 * Makefile.in (rtl-profile.o): Kill all traces of it.
9590 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
9591 * coverage.h (rtl_coverage_counter_ref): Kill.
9592 * opts.c (flag_speculative_prefetching_set): Kill.
9593 (flag_loop_optimize_set): New.
9594 (common_handle_option): Disable loop optimizer when profiling;
9595 do not handle speculative prefetching.
9596 * passes.c (init_optimization_passes): Replace pass_profiling combo
9597 by branch_prob pass.
9598 * profile.c (compute_value_histograms): Update for simplified value
9600 (rtl_register_profile_hooks): Kill.
9601 (pass_profiling): Kill.
9602 (rest_of_handle_branch_prob): Do not profile.
9603 * toplev.c (process_options): Remove speculative prefetching.
9604 * toplev.h (flag_tree_based_profiling): Kill.
9605 * tree-profile.c (prepare_instrumented_value,
9606 tree_gen_interval_profiler, tree_gen_pow2_profiler,
9607 tree_gen_one_value_profiler, do_tree_profiling): Update for
9608 simplified datastructures.
9609 * value-prof.c: Add comment that speculative prefetching was dropped;
9610 update rest of file for simplified datastructures.
9611 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9612 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9613 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9614 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9615 rtl_mod_subtract, gen_speculative_prefetch,
9616 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9617 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9618 (gate_handle_value_profile_transformations,
9619 rest_of_handle_value_profile_transformations,
9620 pass_value_profile_transformations): Kill.
9621 * value-prof.h (histogram_value_t): Remove IL based unions.
9622 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9623 rtl_profile_hooks): Remove hooks.
9625 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9627 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9628 (cgraph_clone_node): Likewise.
9629 * cgraph.h (cgraph_clone_edge): Update prototype.
9630 (cgraph_clone_node): Likewise.
9631 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9633 (lookup_recursive_calls): Consider profile.
9634 (cgraph_decide_recursive_inlining): Fix updating; use new
9635 probability argument; use profile.
9636 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9637 * tree-inline.c (copy_bb): Update clal of clone_edge.
9638 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9640 * invoke.texi (min-inline-recursive-probability): Document.
9642 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
9644 * doc/install.texi (Configuration): Update Valgrind homepage.
9646 2005-07-28 Richard Henderson <rth@redhat.com>
9649 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9650 labels we want to delete.
9651 (cfg_layout_merge_blocks): Likewise.
9653 2005-07-28 Richard Henderson <rth@redhat.com>
9656 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9657 when expanding to nothing.
9659 2005-07-28 Josh Conner <jconner@apple.com>
9661 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9662 (cgraph_decide_inlining_of_small_functions): Likewise.
9664 2005-07-28 Josh Conner <jconner@apple.com>
9666 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
9667 direction of badness if negative.
9668 (cgraph_default_inline_p): Add reason to parameters, and assign it
9670 (cgraph_decide_inlining_of_small_functions): New parameter in call
9671 to cgraph_default_inline_p.
9672 (cgraph_decide_inlining_incrementally): Likewise.
9673 * cgraphunit.c (decide_is_function_needed): Likewise.
9674 * cgraph.h (cgraph_default_inline_p): Likewise.
9676 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9678 * builtins.c: Fix comment typo(s).
9679 * genautomata.c: Likewise.
9680 * gimplify.c: Likewise.
9681 * tree-dfa.c: Likewise.
9682 * tree-flow-inline.h: Likewise.
9683 * tree-into-ssa.c: Likewise.
9684 * tree-ssa-alias.c: Likewise.
9685 * tree-ssa-ccp.c: Likewise.
9686 * tree-ssa-copy.c: Likewise.
9687 * tree-ssa-dce.c: Likewise.
9688 * tree-ssa-dom.c: Likewise.
9689 * tree-ssa-operands.c: Likewise.
9690 * tree-tailcall.c: Likewise.
9691 * tree-vectorizer.c: Likewise.
9692 * tree-vrp.c: Likewise.
9695 2005-07-28 Jeff Law <law@redhat.com>
9697 * tree-vrp.c (test_for_singularity): Extracted from ...
9698 (simplify_cond_using_ranges): Attempt to simplify a relational
9699 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
9701 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
9703 PR tree-optimization/22506
9704 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9705 phis whose argument is constant.
9707 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
9709 PR rtl-optimization/18992
9710 Back out this patch:
9711 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9712 PR optimization/12142
9713 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9714 uses of the register in the SET_SRC. Remove unnecessary argument.
9716 Replace it with this:
9717 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9718 if flag_non_call_exceptions is set and the insn may trap, pass
9719 pc_rtx as dest for recursion.
9720 In SET_SRC part of SET case, if dest is already set, pass it down
9723 2005-07-28 Jan Hubicka <jh@suse.cz>
9725 * cfg.c (update_bb_profile_for_threading): Use RDIV.
9726 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9727 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9729 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9730 profile when available.
9732 2005-07-28 Jan Beulich <jbeulich@novell.com>
9734 * config/ia64/ia64.c (ia64_load_pair_ok): New.
9735 (ia64_print_operand): Describe and handle 'X'.
9736 (ia64_register_move_cost): Also handle FP_REGS.
9737 (ia64_preferred_reload_class): Likewise.
9738 (ia64_secondary_reload_class): Likewise.
9739 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9740 it. Also check for ITANIUM_CLASS_FLDP.
9741 * config/ia64/ia64.h (FP_REGNO_P): New.
9742 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9743 (reg_class): Add FP_REGS.
9744 (REG_CLASS_NAMES): Adjust for it.
9745 (REG_CLASS_CONTENTS): Likewise.
9746 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9747 (REG_CLASS_FROM_LETTER): Handle 'x'.
9748 (CLASS_MAX_NREGS): Handle FP_REGS.
9749 (MEMORY_MOVE_COST): Likewise.
9750 * config/ia64/ia64.md (itanium_class): Add fldp.
9751 (type): Handle fldp.
9752 (movti_internal): More allowable operand combinations. Use ldfp8 when
9753 splitting unnecessary. Remove predicable attribute. Adjust
9754 itanium_class attribute.
9755 (smuldi3_highpart): Remove outdated comment.
9756 (mulditi3, umulditi3, rotlti3): New expanders.
9757 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9758 (absti2): Disabled new insn for future reference.
9759 Respective new splitters.
9760 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9761 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9762 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9764 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
9766 PR rtl-optimization/23047
9767 * simplify-rtx.c (simplify_const_relational_operation): Respect
9768 flag_wrapv for comparisons with ABS.
9770 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
9772 PR tree-optimization/22493
9773 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9774 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9776 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
9778 * config/frv/frv.opt (moptimize-membar): New.
9780 * doc/invoke.texi: Document -moptimize-membar and its inverse.
9782 * config/frv/frv.h: Remove machine_function definition.
9784 * config/frv/frv.c (struct frv_io): New.
9785 (struct machine_function): Moved from frv.h. Add has_membar_p.
9786 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9787 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9788 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9789 (frv_optimize_membar_global, frv_optimize_membar): New functions.
9790 (frv_reorg): Call frv_optimize_membar when appropriate.
9791 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9792 (frv_expand_builtin): Adjust calls accordingly.
9793 (frv_io_address_cookie): New function.
9794 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9795 load or store rather than a special insn. Add ccnstant address and
9796 io-type operands to the membar.
9797 (frv_ifcvt_modify_tests): Unsign regno.
9798 (frv_ifcvt_modify_tests): Same.
9800 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
9801 UNSPEC_OPTIONAL_MEMBAR constant.
9802 (builtin_read_<mode>): Delete.
9803 (builtin_write_<mode>): Delete.
9804 ("optional_membar_<mode>"): Add operand.
9806 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9807 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9808 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9809 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9810 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9811 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9812 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9813 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9814 * testsuite/gcc.target/frv/all-read-write-1.c: New.
9816 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
9818 * df.c (df_uses_record): Handle SCRATCH.
9820 2005-07-28 Steven Bosscher <stevenb@suse.de>
9823 * passes.c (rest_of_decl_compilation): If decl is a type and
9824 we have encountered errors, don't emit debug information.
9826 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9828 * params.def: Fixed comment.
9830 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
9833 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9834 (TARGET_ASM_UNALIGNED_HI_OP): Add.
9835 (TARGET_ASM_UNALIGNED_SI_OP): Add.
9837 2005-07-27 Steven Bosscher <stevenb@suse.de>
9840 * varasm.c (assemble_start_function): Don't do anything that may
9841 require a CFG if the current function is a thunk.
9843 2005-07-25 Geoffrey Keating <geoffk@apple.com>
9845 * doc/install.texi (Prerequisites): Mention that perl is needed
9846 to do export control in libstdc++ targetting Darwin.
9848 2005-07-27 Steven Bosscher <stevenb@suse.de>
9850 PR rtl-optimization/17808
9851 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9852 (sched_insns_conditions_mutex_p): Split out from...
9853 (add_dependence): ...here. But don't call it from here.
9854 (add_dependence_list): Check sched_insns_conditions_mutex_p
9855 before calling add_dependence.
9856 (add_dependence_list_and_free): Likewise.
9857 (fixup_sched_groups): Likewise.
9858 (sched_analyze_1): Likewise.
9859 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9860 (sched_analyze): Likewise.
9861 (sched_analyze_insn): Likewise.
9862 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9863 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
9864 dependencies on all COND_EXEC insns to jumps ending basic blocks
9865 when doing intrablock scheduling.
9866 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9868 2005-07-27 Jeff Law <law@redhat.com>
9870 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9871 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
9872 equivalency sets, correctly handle the case were vr0 has an
9873 equivalency set, but vr1 does not.
9875 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
9877 PR tree-optimization/23073
9878 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9879 vect_print_dump_info before fprintf.
9881 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9883 PR tree-optimize/22348
9884 * tree-ssa-loop-niter.c (number_of_iterations_cond):
9885 Fold the partial computation.
9887 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9889 PR tree-optimization/22325
9890 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9892 * tree-scalar-evolution.c (scev_const_prop): Add generic final
9894 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9895 (force_var_cost): ... this function.
9896 (compute_phi_arg_on_exit): Export.
9898 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9900 PR tree-optimization/20773
9901 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9904 2005-07-27 Richard Guenther <rguenther@suse.de>
9906 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9907 Avoid pushing again if current struct contains only
9908 fields we decomposed.
9910 2005-07-27 Jan Hubicka <jh@suse.cz>
9912 PR tree-optimization/22574
9913 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9916 * tree-tailcall.c (decrease_profile): New function.
9917 (eliminate_tail_call): Use it.
9919 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9920 visibility flags correctly in whole program mode.
9922 2005-07-26 Steve Ellcey <sje@cup.hp.com>
9924 PR rtl-optimization/22472
9925 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9927 2005-07-26 Steven Bosscher <stevenb@suse.de>
9929 PR tree-optimization/22504
9930 * tree-complex.c (expand_complex_addition): Use 'code' instead
9931 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9933 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9935 * config.gcc (cpu_type): Add frv case.
9936 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9937 (supported_defaults): Add fr550 case.
9939 2005-07-26 Diego Novillo <dnovillo@redhat.com>
9942 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9943 whether a pointer of type T * may point to objects of type T *.
9945 2005-07-26 DJ Delorie <dj@redhat.com>
9947 * configure: Regenerate.
9949 2005-07-26 Dale Johannesen <dalej@apple.com>
9951 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
9953 2005-07-26 Mark Mitchell <mark@codesourcery.com>
9955 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9956 Clarify use of "build" in name.
9958 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9960 * doc/extend.texi (Raw read/write Functions): New section.
9961 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9962 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9963 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9964 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9965 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9966 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9967 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9968 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9969 * config/frv/frv.c: Add bdesc_loads global.
9970 Add bdesc_stores global.
9971 (frv_init_builtins): Add support for __builtin_{read/write}*.
9972 (frv_volatile_memref): New.
9973 (frv_expand_load_builtin): New.
9974 (frv_expand_store_builtin): New.
9975 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9976 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9977 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9978 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9979 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9980 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9981 (builtin_read_<mode>): New.
9982 (builtin_write_<mode>): New.
9983 (builtin_write64): New.
9984 (optional_membar_<mode>): New.
9986 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
9988 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9989 (rather than units) against HOST_BITS_PER_WIDE_INT.
9991 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
9993 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9994 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9995 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9996 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9999 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
10000 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
10001 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
10003 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
10005 2005-07-26 Richard Guenther <rguenther@suse.de>
10007 PR tree-optimization/22486
10008 * fold-const.c (fold_unary): Fold away useless component
10009 references of the form (T *)&T.x, if the address
10012 2005-07-25 James E Wilson <wilson@specifixinc.com>
10014 * dwarf2out.c (add_call_src_coords_attributes): New.
10015 (gen_inlined_subroutine_die): Call it.
10016 (maybe_emit_file, init_file_table): Add comments.
10017 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
10019 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
10020 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
10021 * tree.h (BLOCK_SOURCE_LOCATION): New.
10022 (struct tree_block): New field locus.
10024 2005-07-26 Andreas Schwab <schwab@suse.de>
10026 PR rtl-optimization/23043
10027 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
10028 when allocating a struct unoccr.
10030 2005-07-25 Richard Henderson <rth@redhat.com>
10033 * tree-complex.c (gate_no_optimization): True if errors.
10034 * Makefile.in (tree-complex.o): Update dependencies.
10036 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
10038 * config/frv/predicates.md (integer_register_operand): Use
10039 GPR_AP_OR_PSEUDO_P.
10041 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
10044 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
10046 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
10048 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
10050 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
10051 types when flag_unsafe_math_optimizations is true.
10053 2005-07-25 Mark Mitchell <mark@codesourcery.com>
10055 * gcc.c (option_map): Add --sysroot.
10056 (process_command): Handle --sysroot.
10057 (display_help): Document it.
10058 * doc/cppopts.tex (-isysroot): Document.
10059 * doc/invoke.texi (--sysroot): Document.
10060 * doc/install.texi (--with-build-sysroot): Document.
10062 * Makefile.in (inhibit_libc): New variable.
10063 (INHIBIT_LIBC_CFLAGS): Likewise.
10064 (LIBGCC2_CFLAGS): Include
10065 $(INHIBIT_LIBC_CFLAGS).
10066 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
10067 ($(T)crtbegin.o): Do not use @inhibit_libc@.
10068 ($(T)crtend.o): Likewise.
10069 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
10070 ($(T)crtendS.o): Likewise.
10071 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
10072 ($(T)crtendT.o): Likewise.
10073 (stmp-fixinc): Do not complain about missing headers if
10075 * configure.ac (inhibit_libc): Set it to true/false.
10076 (--with-build-sysroot): New option. Use it to set
10078 * configure: Regenerated.
10080 2005-07-25 Manfred Hollstein <mh@suse.com>
10082 * calls.c (store_one_arg): Fix unsigned comparison warning.
10084 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
10087 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
10088 (ggc_print_statistics): Initialize variable before use.
10090 2005-07-25 Richard Guenther <rguenther@suse.de>
10092 * tree-dfa.c (mark_new_vars_to_rename): Protect against
10093 calling with a PHI_NODE argument.
10095 * tree-flow-inline.h (overlap_subvar): Protect against
10098 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
10100 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
10101 * configure: Regenerate.
10103 2005-07-25 Ira Rosen <irar@il.ibm.com>
10105 * expr.c (highest_pow2_factor): Make extern.
10106 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
10107 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
10108 record_array_differ_p, array_ptr_differ_p): Likewise.
10109 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
10110 additional cases. Call the above functions.
10111 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
10112 base_object_differ_p when there are two base objects. Otherwise, compare
10113 base address and offset. Call may_alias_p.
10114 (dump_data_reference): Use a correct field name.
10115 (analyze_array): Make static. Initialize new data-ref fields.
10116 (analyze_indirect_ref): New function.
10117 (init_data_ref): Initialize new data-ref fields.
10118 (strip_conversion): Moved from tree-vect-analyze.c.
10119 (analyze_offset_expr, get_ptr_offset, address_analysis,
10120 object_analysis): Likewise.
10121 (analyze_offset): New function.
10122 (create_data_ref): Likewise.
10123 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
10124 dimensions for ARRAY_REFs only.
10125 (build_classic_dist_vector): Make static.
10126 (access_functions_are_affine_or_constant_p): Call macro to get the
10127 address of access functions.
10128 (compute_all_dependences): Add new parameter
10129 compute_self_and_read_read_dependences. Compute self and read-read
10130 dependences if it is true.
10131 (find_data_references_in_loop): Call create_data_ref. Initialize new
10133 (compute_data_dependences_for_loop): Add new parameter
10134 compute_self_and_read_read_dependences. Remove parameter nb_loops,
10135 compute nb_loops. Call compute_all_dependences,
10136 build_classic_dist_vector and build_classic_dir_vector with correct
10138 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
10139 with correct parameters. Compare dimensions for ARRAY_REFs only.
10140 (free_data_refs): Call macro to free access functions.
10141 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
10142 fields from stmt_vinfo.
10143 (struct base_object_info): New structure.
10144 (struct data_reference): Move fields to base_object_info. Add fields
10145 first_location and object_info for above structures. Move fields from
10146 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
10147 aligned_to. Add macros to access the new fields.
10148 Update functions declarations.
10149 * tree-flow.h (is_aliased_with): Declare.
10150 * tree-loop-linear.c (linear_transform_loops): Call
10151 compute_data_dependences_for_loop with correct parameters.
10152 * tree-ssa-alias.c (is_aliased_with): New function.
10153 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
10154 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
10155 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
10156 vect_base_addr_differ_p, compute_subscript_distance and
10157 build_classic_dist_vector. Add printings. Check absolute value of
10159 (vect_analyze_data_ref_dependences): Go through ddrs instead of
10161 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
10162 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
10163 to bytes. Add printing.
10164 (vect_compute_data_refs_alignment): Go through loads and stores in one
10166 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
10167 vect_analyze_data_ref_access): Likewise.
10168 (vect_analyze_pointer_ref_access): Remove.
10169 (vect_address_analysis, vect_object_analysis): Likewise.
10170 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
10171 and analyze data-refs in the loop.
10172 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
10173 fields of data-ref instead of stmt. Add init to the offset from the
10175 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
10176 (vect_update_init_of_dr): Likewise.
10177 (vect_update_inits_of_drs): Go through loads and stores in one loop.
10178 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
10180 (new_loop_vec_info): Initialize new fields.
10181 (destroy_loop_vec_info): Free new fields.
10182 (vect_strip_conversion): Remove.
10183 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
10184 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
10185 datarefs. Add new field ddrs.
10186 Add macros for the new fields access.
10187 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
10188 base_aligned_p, misalignment, memtag, ptr_info and subvars.
10189 Remove their macros.
10190 * tree.h (highest_pow2_factor): Declare.
10192 2005-07-25 Jakub Jelinek <jakub@redhat.com>
10194 * calls.c (store_one_arg): Check for sibling call MEM arguments
10195 from already clobbered incoming argument area.
10197 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10199 * c-common.c (check_missing_format_attribute): New.
10200 * c-common.h (check_missing_format_attribute): Likewise.
10201 * c-typeck.c (convert_for_assignment): Use it.
10203 2005-07-24 Andreas Schwab <schwab@suse.de>
10205 * config/m68k/m68k.md ("extendqidi2"): When source is an address
10206 register use a word move. Correct operand of ext.w in 68000 code.
10208 2005-07-23 Mark Mitchell <mark@codesourcery.com>
10210 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
10211 variables as declarations, rather than definitions.
10213 2005-07-24 Ira Rosen <irar@il.ibm.com>
10215 PR tree-optimization/22526
10216 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
10219 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10221 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
10222 that C99 reserve for future use. Use it to define clog10,
10223 clog10f and clog10l.
10225 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10227 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
10228 * configure.ac: Check for -Wmissing-format-attribute.
10230 * configure: Regenerate.
10232 2005-07-23 Richard Henderson <rth@redhat.com>
10234 PR tree-optimization/22623
10235 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
10237 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
10240 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
10242 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10244 * Makefile.in (C_TREE_H): Update dependencies.
10245 * c-tree.h: Include toplev.h.
10246 * diagnostic.h (diagnostic_set_info): Add format attribute.
10247 * rtl-error.c (diagnostic_for_asm): Likewise.
10249 2005-07-23 Chao-ying Fu <fu@mips.com>
10251 * config/mips/mips-dsp.md: New file.
10252 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
10253 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
10255 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
10256 MIPS_BUILTIN_BPOSGE32.
10257 (mips_expand_builtin_direct): Add one parameter to indicate that
10258 builtin functions need to return a value.
10259 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
10261 (mips_regno_to_class): Add classes for 12 new DSP registers.
10262 (mips_subword): Change to check four HI registers.
10263 (mips_output_move): Output move to and from 6 new DSP accumulators.
10264 (override_options): Make sure -mdsp and -mips16 are not used together.
10265 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
10267 (mips_conditional_register_usage): Disable 6 new DSP accumulators
10269 (print_operand): Add 'q' for printing DSP accumulators.
10270 (mips_cannot_change_mode_class): Check ACC_REGS.
10271 (mips_secondary_reload_class): Check ACC_REGS.
10272 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
10273 (mips_register_move_cost): Check ACC_REGS.
10274 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
10275 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
10276 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
10277 (dsp_bdesc): New array.
10278 (bdesc_arrays): Add DSP builtin function table.
10279 (mips_prepare_builtin_arg): Check predicate again after
10281 (mips_expand_builtin): Add one more parameter to
10282 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
10283 MIPS_BUILTIN_BPOSGE32.
10284 (mips_init_builtins): Initialize new function types.
10285 (mips_expand_builtin_direct): Check if builtin functions need to
10286 return a value and pass operands properly.
10287 (mips_expand_builtin_bposge): New function.
10288 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
10289 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
10290 (FIRST_PSEUDO_REGISTER): Increase to 188.
10291 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
10292 Update for 12 new DSP registers.
10293 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
10294 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
10295 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
10296 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
10297 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
10298 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
10299 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
10300 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
10301 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
10302 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
10303 (REGISTER_NAMES): Add names for 12 new DSP registers.
10304 * config/mips/mips.md: Include mips-dsp.md.
10305 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
10306 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
10307 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
10308 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
10309 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
10310 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
10311 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
10312 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
10313 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
10314 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
10315 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
10316 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
10317 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
10318 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
10319 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
10320 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
10321 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
10322 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
10323 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
10324 (UNSPEC_RDDSP): New constants.
10325 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
10326 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
10328 * config/mips/mips.opt (-mdsp): New option.
10329 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
10330 (reg_imm10_operand): New predicates.
10331 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
10332 * doc/invoke.texi (-mdsp): Document new option.
10334 2005-07-22 DJ Delorie <dj@redhat.com>
10336 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
10338 * tree-inline.c (inlinable_function_p): Likewise.
10340 2005-07-22 Mark Mitchell <mark@codesourcery.com>
10343 * toplev.c (check_global_declarations): Do not mark undefined
10344 variables as DECL_IGNORED_P.
10345 * varasm.c (first_global_object_name): GTY it.
10346 (weak_global_object_name): Likewise.
10347 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
10348 a string to go into {weak,first}_global_object_name.
10350 2005-07-22 DJ Delorie <dj@redhat.com>
10352 * c-format.c (check_function_format): Change warning control
10353 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
10355 2005-07-22 Diego Novillo <dnovillo@redhat.com>
10357 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
10358 &PTR->FLD a dereference of PTR.
10359 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
10360 a potential dereference of PTR.
10362 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
10364 PR rtl-optimization/20370
10365 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
10366 call allocate_reg_info if necessary.
10368 PR rtl-optimization/21848
10369 * calls.c (emit_library_call_value_1): For const functions, add
10370 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
10372 PR rtl-optimization/22445
10373 * cselib.c (target.h): Include.
10374 (rtx_equal_for_cselib_p): Allow commutative matches.
10375 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
10376 Remove MODE parameter. Changed all callers.
10378 PR rtl-optimization/22258
10379 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
10381 (try_combine): Use likely_spilled_retval_p.
10383 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
10385 * config.gcc: Add crx-elf support.
10387 * doc/contrib.texi: Mention crx.
10388 * doc/extend.texi: Document crx extensions.
10389 * doc/install.texi: Document crx install.
10390 * doc/invoke.texi: Document crx options.
10391 * doc/md.texi: Document crx constraints.
10393 * config/crx/crx-protos.h: New file.
10394 * config/crx/crx.c: New file.
10395 * config/crx/crx.h: New file.
10396 * config/crx/crx.md: New file.
10397 * config/crx/crx.opt: New file.
10398 * config/crx/t-crx: New file.
10400 2005-07-22 Manfred Hollstein <mh@suse.com>
10402 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
10404 (int_add_graph_edge): Likewise.
10405 (collapse_nodes): Likewise.
10406 (process_unification_queue): Likewise.
10408 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10409 Laurent GUERBY <laurent@guerby.net>
10411 PR tree-optimization/22336
10412 * function.c (record_block_change): Check for
10413 cfun->ib_boundaries_block.
10415 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
10417 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
10418 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
10420 2005-07-21 DJ Delorie <dj@redhat.com>
10422 * toplev.c (warn_deprecated_use): Add warning control to warning
10424 * c-typeck.c (parser_build_binary_op): Likewise.
10425 (c_finish_if_stmt): Likewise.
10426 * c-common.c (check_function_sentinel): Likewise.
10427 (check_nonnull_arg): Likewise.
10429 2005-07-21 Richard Henderson <rth@redhat.com>
10432 * tree-complex.c (complex_ssa_name_components): New.
10433 (cvc_lookup): Allow entry not found.
10434 (create_components): Remove.
10435 (create_one_component_var, get_component_var): New.
10436 (get_component_ssa_name, set_component_ssa_name): New.
10437 (extract_component): Use get_component_ssa_name.
10438 (update_complex_components): Use set_component_ssa_name.
10439 (update_complex_components_on_edge): Likewise.
10440 (update_phi_components): Create new PHI nodes directly, instead
10441 of adding insns to edges.
10442 (tree_lower_complex): Allocate and free complex_variable_components
10443 and complex_ssa_name_components here.
10445 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
10447 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
10448 revert to returning false.
10450 2005-07-21 Uros Bizjak <uros@kss-loka.si>
10453 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
10455 2005-07-21 Uros Bizjak <uros@kss-loka.si>
10458 * config/i386/i386.md (cmpxf): Change operand constraints
10459 to "nonmemory_operand".
10461 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10463 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
10465 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10467 PR middle-end/21180
10468 * fold-const.c (fold_build1): Add checksum for the operands.
10469 (fold_build2): Likewise.
10470 (fold_build3): Likewise.
10472 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10474 PR middle-end/19055
10475 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
10477 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10479 * common.opt (-fforward-propagate): Committed by mistake,
10482 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10484 * reg-stack.c: Fix comment typo(s).
10485 * tree-ssa-operands.c: Likewise.
10486 * tree-vectorizer: Likewise.
10488 2005-07-21 Nick Clifton <nickc@redhat.com>
10490 * config/sh/symbian.c: Replace C++ style line comments with C
10491 style line comments.
10492 (symbian_add_attribute): Do not use a ? operator on the LHS of
10494 (sh_symbian_handle_dll_attribute): Change the type of the
10495 method vector to "VEC(tree,gc)*" and use vector accessor
10496 macros to walk over the elements.
10497 (symbian_export_vtable_and_rtti_p): Likewise.
10498 (symbian_class_needs_attribute_p): Likewise.
10500 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10503 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
10504 initialize targetm.resolve_overloaded_builtin here.
10505 (altivec_expand_overloaded_builtin): Make it non-static.
10506 * config/rs6000/rs6000-protos.h
10507 (altivec_expand_overloaded_builtin): New prototype.
10508 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
10509 targetm.resolve_overloaded_builtin here.
10510 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
10512 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10513 Zdenek Dvorak <dvorakz@suse.cz>
10515 PR tree-optimization/19210
10516 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
10518 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
10519 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
10520 rely on unproven assumptions.
10521 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
10522 * tree-flow.h (number_of_iterations_exit): Add final parameter.
10523 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
10524 to number_of_iterations_exit.
10525 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
10526 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
10527 * tree-ssa-loop-niter.c (find_loop_niter,
10528 estimate_numbers_of_iterations_loop): Likewise.
10529 (number_of_iterations_exit): Honor the new options.
10530 * doc/invoke.texi (Wunsafe-loop-optimizations,
10531 funsafe-loop-optimizations): Document them.
10533 2005-07-21 Richard Sandiford <richard@codesourcery.com>
10535 PR rtl-optimization/22167
10536 * gcse.c (hoist_code): Fix hoist_exprs[] check.
10538 2005-07-20 Adam Nemet <anemet@lnxw.com>
10540 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
10541 __do_global_dtors_aux longcall.
10543 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
10545 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
10546 (old_special_pred_table): Don't reference
10547 SPECIAL_MODE_PREDICATES.
10548 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
10549 * config/arc/arc.h: Don't mention PREDICATE_CODES.
10550 * config/sh/predicates.h: Don't mention
10551 SPECIAL_MODE_PREDICATES.
10552 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
10555 2005-07-20 DJ Delorie <dj@redhat.com>
10557 * config.gcc: Add m32c-elf support.
10559 * doc/contrib.texi: Mention m32c.
10560 * doc/extend.texi: Document m32c extensions.
10561 * doc/install.texi: Mention m32c.
10562 * doc/invoke.texi: Document m32c options.
10563 * doc/md.texi: Document m32c constraints.
10565 * config/m32c/addsub.md: New file.
10566 * config/m32c/bitops.md: New file.
10567 * config/m32c/cond.md: New file.
10568 * config/m32c/jump.md: New file.
10569 * config/m32c/m32c-lib1.S: New file.
10570 * config/m32c/m32c-lib2.c: New file.
10571 * config/m32c/m32c-modes.def: New file.
10572 * config/m32c/m32c-pragma.c: New file.
10573 * config/m32c/m32c-protos.h: New file.
10574 * config/m32c/m32c.abi: New file.
10575 * config/m32c/m32c.c: New file.
10576 * config/m32c/m32c.h: New file.
10577 * config/m32c/m32c.md: New file.
10578 * config/m32c/m32c.opt: New file.
10579 * config/m32c/minmax.md: New file.
10580 * config/m32c/mov.md: New file.
10581 * config/m32c/muldiv.md: New file.
10582 * config/m32c/predicates.md: New file.
10583 * config/m32c/prologue.md: New file.
10584 * config/m32c/shift.md: New file.
10585 * config/m32c/t-m32c: New file.
10587 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10589 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
10590 (stack_protect_set, stack_protect_test): New expanders.
10591 (stack_protect_set_si, stack_protect_set_si_media,
10592 stack_protect_set_di_media, stack_protect_test_si,
10593 stack_protect_test_si_media, stack_protect_test_di_media):
10596 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
10598 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10600 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
10602 * tree.h (tree_expr_nonzero_p): Export.
10603 * fold-const.c (tree_expr_nonzero_p): Likewise.
10604 Return true for CALL_EXPRs that are alloca calls.
10605 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10607 * tree-flow.h (expr_computes_nonzero): Remove.
10608 * tree-vrp.c (expr_computes_nonzero): Remove.
10609 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10610 (extract_range_from_unary_expr): Likewise.
10611 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10612 tree_expr_nonzero_p.
10614 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
10616 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10617 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
10618 extra arg "picreg" and use it instead of pic_offset_table_rtx.
10619 All callers changed.
10620 (frame_related_constant_load): New arg "related" which controls
10621 setting of RTX_FRAME_RELATED_P. All callers changed.
10622 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10623 (bfin_expand_prologue): Add stack limit checking.
10624 * config/bfin/bfin.md (trapifcc): New pattern.
10626 * config/bfin/bfin.c: Include "langhooks.h".
10627 (def_builtin): Go through lang_hooks to call builtin_function.
10629 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10630 * config/bfin/predicates.md (symbol_ref_operand): New.
10631 (call_insn_operand): Delete. All callers changed to use
10632 register_no_elim_operand.
10633 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10635 (function_arg): Use it to generate the call's operand 2.
10636 (bfin_longcall_p): New function.
10637 (bfin_expand_call): Extra arg "cookie". All callers and declaration
10638 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
10639 determine if the address needs to be in a REG.
10640 (bfin_handle_longcall_attribute): New function.
10641 (bfin_attribute_table): Add "longcall" and "shortcall".
10642 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10643 (CUMULATIVE_ARGS): New member call_cookie.
10644 (PREDICATE_CODES): Add symbol_ref_operand.
10645 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10646 extra USE to the pattern.
10647 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10648 New patterns, split off call_insn, sibcall_insn, call_value_insn and
10649 sibcall_value_insn; now the new patterns handle direct calls and the
10650 old ones indirect calls.
10651 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10653 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
10655 * doc/trouble.texi: Update section on handling of empty loops.
10657 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
10659 * config.gcc: Remove support for sparc-*-openbsd*,
10660 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10662 * config.host: Remove support for i860-*-sysv4* as a host.
10663 * config/i860/*, config/ip2k/*, config/ns32k/*,
10664 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10665 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10666 mention obsolete ports.
10668 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10670 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10671 soft frame pointer.
10672 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10673 of frame_pointer_rtx.
10674 (sh_expand_epilogue): Likewise.
10675 (sh_set_return_address): Likewise.
10676 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10677 instead of FRAME_POINTER_REGNUM if needed. Add elimination
10678 offsets from FRAME_POINTER_REGNUM.
10679 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10680 (sh_register_names): Add initializer for sfp.
10681 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10682 (VALID_REGISTER_P): Likewise.
10683 (FIRST_PSEUDO_REGISTER): Update.
10684 (DWARF_FRAME_REGISTERS): Define.
10685 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10686 (HARD_FRAME_POINTER_REGNUM): Define.
10687 (FRAME_POINTER_REGNUM): Redefine.
10688 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10689 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
10690 from FRAME_POINTER_REGNUM.
10691 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10692 FRAME_POINTER_REGNUM.
10693 (REG_CLASS_CONTENTS): Add sfp.
10694 (REG_ALLOC_ORDER): Likewise.
10695 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
10696 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10697 of frame_pointer_rtx.
10698 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10700 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
10702 * fold-const.c (tree_expr_nonnegative_p): Only return true for
10703 ABS_EXPR when flag_wrapv is false because of INT_MIN.
10704 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10706 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10709 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
10711 Make CONSTRUCTOR use VEC to store initializers.
10712 * c-common.c (complete_array_type): Update to cope with VEC in
10714 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10715 (pp_c_constructor_elts): New function.
10716 * c-pretty-print.h (pp_c_constructor_elts): Declare.
10717 * c-typeck.c (build_function_call, build_c_cast, digest_init,
10718 struct constructor_stack, struct initializer_stack,
10719 constructor_elements, push_init_level, pop_init_level,
10720 add_pending_init, find_init_member, output_init_element): Update to
10721 cope with VEC in CONSTRUCTOR_ELTS.
10722 * coverage.c (build_fn_info_value, build_ctr_info_value,
10723 build_gcov_info): Likewise.
10724 * expr.c (categorize_ctor_elements_1, store_constructor,
10725 expand_expr_real_1): Likewise.
10726 * fold-const.c (fold_ternary): Likewise.
10727 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10728 gimplify_init_constructor, gimplify_expr): Likewise.
10729 * tree-dump.c (dequeue_and_dump): Likewise.
10730 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10732 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10734 * tree-sra.c (generate_element_init_1): Likewise.
10735 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10736 * tree-ssa-operands.c (get_expr_operands): Likewise.
10737 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10738 * tree-vect-transform.c (vect_get_vec_def_for_operand):
10739 (get_initial_def_for_reduction): Likewise.
10740 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10741 value handle in annotations.
10742 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10743 tree_node_structure): Add support for constr_kind.
10744 (build_vector_from_ctor, build_constructor_single,
10745 build_constructor_from_list): New functions.
10746 (build_constructor): Update to take a VEC instead of a TREE_LIST.
10747 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10748 Update to cope with VEC in CONSTRUCTOR_ELTS.
10749 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10750 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10751 CONSTRUCTOR_APPEND_ELT): New macros.
10752 (struct constructor_elt, struct tree_constructor): New data types.
10753 (union tree_node): Add tree_constructor field.
10754 * treestruct.def: Define TS_CONSTRUCTOR.
10755 * varasm.c (const_hash_1, compare_constant, copy_constant,
10756 compute_reloc_for_constant, output_addressed_constants,
10757 initializer_constant_valid_p, output_constant,
10758 array_size_for_constructor, output_constructor): Update to cope with
10759 VEC in CONSTRUCTOR_ELTS.
10760 * vec.h (VEC_empty, VEC_copy): New macros.
10762 2005-07-19 Devang Patel <dpatel@apple.com>
10764 * dbxout.c (dbxout_type): Check Objective-C++ lang.
10766 2005-07-19 Richard Henderson <rth@redhat.com>
10769 * gimplify.c (gimplify_expr): Use main variant type for the temp
10770 destination for a discarded volatile read.
10771 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10772 casts between non-void types that change volatility.
10774 2005-07-15 DJ Delorie <dj@redhat.com>
10776 * toplev.h: Add comment about the first parameter for warning().
10777 * errors.h: Likewise.
10779 * c.opt (Wpragmas): New.
10780 * doc/invoke.texi: Document it.
10782 * function.c (do_warn_unused_parameter): Add warning control to
10784 * c-decl.c (warn_if_shadowing): Likewise.
10785 * c-lex.c (cb_def_pragma): Likewise.
10786 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10787 (pop_alignment): Likewise.
10788 (handle_pragma_pack): Likewise.
10789 (apply_pragma_weak): Likewise.
10790 (handle_pragma_weak): Likewise.
10791 (handle_pragma_redefine_extname): Likewise.
10792 (add_to_renaming_pragma_list): Likewise.
10793 (handle_pragma_extern_prefix): Likewise.
10794 (maybe_apply_renaming_pragma): Likewise.
10795 (handle_pragma_visibility): Likewise.
10797 * config/c4x/c4x-c.c (BAD): Likewise.
10798 (c4x_parse_pragma): Likewise.
10799 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10800 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10801 (rs6000_pragma_longcall): Likewise.
10802 * config/v850/v850-c.c (pop_data_area): Likewise.
10803 (ghs_pragma_section): Likewise.
10804 (ghs_pragma_section): Likewise.
10805 (ghs_pragma_interrupt): Likewise.
10806 (ghs_pragma_starttda): Likewise.
10807 (ghs_pragma_startsda): Likewise.
10808 (ghs_pragma_startzda): Likewise.
10809 (ghs_pragma_endtda): Likewise.
10810 (ghs_pragma_endsda): Likewise.
10811 (ghs_pragma_endzda): Likewise.
10813 2005-07-19 Danny Berlin <dberlin@dberlin.org>
10814 Kenneth Zadeck <zadeck@naturalbridge.com>
10816 * Makefile.in: Removed tree-promote-statics.c
10817 * tree-promote-statics.c: Removed.
10818 * common.opt: Removed flag-promote-statics.
10820 * passes.c: Removed tree-promote-statics pass.
10821 * tree-pass.h: Ditto.
10822 * timevar.def: Removed TV_PROMOTE_STATICS.
10825 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
10827 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10829 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10831 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10834 * c-common.c (check_function_arguments): Call
10835 'check_function_format' if either -Wformat or
10836 -Wmissing-format-attribute are specified.
10837 * c-format.c (check_function_format): Check -Wformat before
10838 calling 'check_format_info'.
10839 * c-opts.c (c_common_post_options): Don't warn for
10840 -Wmissing-format-attribute without -Wformat.
10841 * c-typeck.c (convert_for_assignment): Detect additional cases for
10842 -Wmissing-format-attribute.
10843 * doc/invoke.texi (-Wmissing-format-attribute): Document new
10846 2005-07-19 Richard Guenther <rguenther@suse.de>
10848 * config/i386/i386.md (lrint<mode>2): Use temporary
10849 instead of clobbering non-existent memory.
10851 2005-07-19 Nick Clifton <nickc@redhat.com>
10853 * config/avr/avr.c (legitimate_address_p): Fix debugging print
10854 statement to avoid displaying ASCII control characters.
10856 2005-07-19 Ben Elliston <bje@au.ibm.com>
10858 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10859 * cfganal.c (find_edge_index): Ditto.
10860 * combine.c (combine_instructions): Ditto.
10861 * ddg.c (create_scc): Ditto.
10862 (find_successors): Ditto.
10863 (find_predecessors): Ditto.
10864 (find_nodes_on_paths): Ditto.
10865 (longest_simple_path): Ditto.
10866 * flow.c (update_life_info): Ditto.
10867 (count_or_remove_death_notes): Ditto.
10868 (clear_log_links): Ditto.
10869 * modulo-sched.c (generate_reg_moves): Ditto.
10870 (find_max_asap): Ditto.
10871 (find_max_hv_min_mob): Ditto.
10872 (find_max_dv_min_mob): Ditto.
10873 * sbitmap.c (sbitmap_first_set_bit): Ditto.
10874 * sched-rgn.c (extract_edgelst): Ditto.
10875 * tree-into-ssa.c (prepare_names_to_update): Ditto.
10876 (dump_update_ssa): Ditto.
10877 (ssa_names_to_replace) Ditto.
10878 (switch_virtuals_to_full_rewrite): Ditto.
10879 (update_ssa): Ditto.
10880 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10882 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
10884 Fix PR tree-optimization/22483
10886 * tree-complex.c (create_components): Use
10887 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10888 * tree-flow-inline.h (fill_referenced_var_vec): New function.
10889 * tree-flow.h (safe_referenced_var_iterator): New structure.
10890 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10891 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10892 safe_referenced_var iterator.
10893 (add_type_alias): Ditto.
10895 2005-07-19 Steven Bosscher <stevenb@suse.de>
10897 * loop-init.c (rest_of_handle_loop2): Remove.
10898 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10899 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10900 (pass_rtl_loop_init, pass_rtl_loop_done,
10901 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10902 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10903 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10904 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10905 pass_tree_loop_done, and pass_tree_unswitch.
10906 (gate_loop): Rename to gate_tree_loop.
10907 * passes.c (init_optimization_passes): Update for renamed tree
10908 loop passes. Add the new loop2 passes as subpasses of loop2.
10909 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10910 Update for the renamed tree loop passes.
10912 2005-07-18 Ian Lance Taylor <ian@airs.com>
10914 PR middle-end/22057
10915 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10916 blocks when optimizing.
10918 2005-07-18 Steve Ellcey <sje@cup.hp.com>
10920 * common.opt (frename-registers): Initialize to 2.
10922 (fgcse-after-reload): Ditto.
10923 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10924 (process_options): Only change flag_web, flag_rename_registers,
10925 and flag_rerun_cse_after_loop if not explicitly set by user.
10927 2005-07-18 Jan Beulich <jbeulich@novell.com>
10929 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10930 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10931 in 64-bit mode the same as DImode in 32-bit mode.
10932 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10933 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10934 mode. Add new mode parameter.
10935 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10936 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10937 x86_64_shift_adj): New expanders.
10938 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10939 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10941 Respective new splitters. Use renamed shift splitter helpers in 32-bit
10942 DImode shift splitters.
10943 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10944 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10947 2005-07-18 Jan Beulich <jbeulich@novell.com>
10949 * i386.md (movdi_extzv_1): New.
10950 (zero_extendhidi2): Combine alternatives and never force use of
10952 (zero_extendqidi2): Likewise. Don't restrict input selection.
10954 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10956 Fix PR tree-optimization/22531
10957 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
10960 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10962 * tree-promote-statics.c (pass_promote_statics): Change dump file
10965 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10967 * tree-optimize.c (init_tree_optimization_passes): Add
10968 pass_eliminate_useless_stores pass.
10969 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10970 * tree-ssa-pre.c (is_copy_stmt): New function.
10971 (follow_copies_till_vuse): Ditto.
10972 (do_eustores): Ditto.
10973 (gate_eustores): Ditto.
10975 2005-07-16 Richard Henderson <rth@redhat.com>
10977 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10979 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10980 Kenneth Zadeck <zadeck@naturalbridge.com>
10982 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10983 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10984 ipa-type-escape.h, tree-promote-statics.c
10985 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10986 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10987 tree-promote-statics.c: new files.
10988 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10989 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10990 int nonlocal_set_p, mark_constant_function): Deleted.
10991 (rest_of_handle_cfg): Removed call to mark_constant_function.
10992 (nonoverlapping_component_refs_p): Added calls to support
10993 type based aliasing.
10994 * tree-ssa-alias.c (may_alias_p,
10995 compute_flow_insensitive_aliasing): Ditto.
10996 * calls.c (flags_from_decl_or_type): Removed reference to
10998 * c-typeck.c (convert_arguments): Make builtins tolerant of having
10999 too many arguments. This is necessary for Spec 2000.
11000 * cgraph.h (const_function, pure_function): Removed.
11001 * common.opt: Added "fipa-pure-const", "fipa-reference",
11002 "fipa-type-escape", and "ftree-promote-static".
11004 * passes.c: Added ipa and tree-promote-statics passes.
11005 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
11006 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
11007 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
11008 * tree-flow.h: Added exposed sra calls and addition of
11009 reference_vars_info field for FUNCTION_DECLS.
11010 * tree-pass.h: Added passes.
11011 * tree-sra.c: (sra_init_cache): New function.
11012 (sra_insert_before, sra_insert_after) Made public.
11013 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
11015 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
11016 aliasing. (may_alias_p): Added code to use type escape analysis to
11017 improve alias sets.
11018 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
11019 code to prune clobbers of static variables based on information
11020 produced in ipa-reference pass. Changed call clobbering so that
11021 statics are not marked as clobbered if the call does not clobber
11024 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
11026 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
11029 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11031 * doc/install.texi (*-*-solaris2*): Document recommended version
11032 of GNU binutils and mention GNU linker problem on Solaris 10.
11034 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
11037 * c-decl.c (c_build_bitfield_integer_type): New function.
11038 (finish_struct): Call it.
11039 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
11041 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11043 * c-typeck.c (digest_init): Call 'convert_for_assignment'
11046 2005-07-16 Jan Hubicka <jh@suse.cz>
11048 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
11049 (scale_bbs_frequencies_int): Watch roundoff errors.
11050 * predict.c (return_prediction): Initialize return_stmt.
11052 2005-07-16 Jan Hubicka <jh@suse.cz>
11054 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
11055 after RTL profiling.
11057 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
11059 PR middle-end/22398
11060 * fold-const.c (build_range_check): Convert high/low to etype
11061 if we are only comparing against exp.
11063 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
11065 Fix PR tree-optimization/22376
11066 * tree-ssa-structalias.c (build_constraint_graph): We really meant
11068 (need_to_solve): New function.
11069 (compute_points_to_sets): Use it.
11071 2005-07-15 Jan Hubicka <jh@suse.cz>
11073 * cfg.c (update_bb_profile_for_threading): More diagnostic.
11074 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
11076 2005-07-15 Richard Guenther <rguenther@suse.de>
11078 * c-common.c (handle_flatten_attribute): New function.
11079 Add flatten function attribute.
11080 * doc/extend.texi: Document flatten function attribute.
11081 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
11082 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
11084 (cgraph_decide_inlining): Handle functions with flatten
11087 2005-07-14 David Edelsohn <edelsohn@gnu.org>
11089 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
11090 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
11091 UNSPEC_XCHG, UNSPEC_AND): New.
11092 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
11093 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
11094 * config/rs6000/sync.md (FETCHOP): New code macro.
11095 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
11097 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
11098 (sync_compare_and_swap<mode>): Same.
11099 (sync_lock_test_and_set<mode>): Same.
11100 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
11101 for QImode and HImode, and not PPC405.
11102 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
11103 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
11104 (sync_<fetchop>{si,di}_internal): New.
11105 (sync_nand{si,di}_internal): New.
11106 (sync_old_<fetchop>{si,di}_internal): New.
11107 (sync_old_nand{si,di}_internal): New
11108 (sync_new_<fetchop>{si,di}_internal): New.
11109 (sync_new_nand{si,di}_internal): New.
11110 (atomic_and{si,di}): New.
11111 (sync_new_nand{si,di}_internal): New.
11112 (atomic_and{si,di}): New.
11113 (sync_add<mode>_internal): Delete.
11114 (sync_addshort_internal): Use unspec instead of unspec_volatile.
11115 (sync_sub<mode>_internal): Delte.
11116 (sync_subshort_internal): New.
11117 (sync_andsi_internal): Use unspec instead of unspec_volatile.
11118 (sync_anddi_internal): Delete.
11119 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
11120 (sync_booldi_internal): Delete.
11121 (sync_boolc<mode>_internal): Delete.
11122 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
11123 (sync_boolc<mode>_internal2): Delete.
11124 (sync_boolcc<mode>_internal): Delete.
11125 (isync, lwsync): Use unspec instead of unspec_volatile.
11126 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
11127 Revert UNSPEC_VOLATILE.
11128 (rs6000_split_atomic_op): New.
11129 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
11131 2005-07-14 Eric Christopher <echristo@redhat.com>
11133 * config/mips/mips.c (mips_canonicalize_comparison): Cast
11134 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
11136 2005-07-14 Eric Christopher <echristo@redhat.com>
11138 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
11140 2005-07-14 Steven Bosscher <stevenb@suse.de>
11142 PR tree-optimization/22230
11143 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
11144 the computation of the four cross productions for "range op range".
11146 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
11147 Ulrich Weigand <uweigand@de.ibm.com>
11150 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
11153 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
11155 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
11157 2005-07-14 Steve Ellcey <sje@cup.hp.com>
11159 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
11161 2005-07-14 Richard Guenther <rguenther@suse.de>
11163 PR middle-end/22347
11164 * config/i386/i386-protos.h (ix86_function_value): Change
11165 prototype to match new target hook.
11166 * config/i386/i386.c (ix86_value_regno): Change prototype
11167 to take extra type argument.
11168 (TARGET_FUNCTION_VALUE): Define.
11169 (ix86_function_ok_for_sibcall): Pass extra argument to
11170 ix86_value_regno, check return slot rtx for exact match.
11171 (ix86_function_value): Take extra parameter. Dispatch to
11172 ix86_value_regno with fndecl/fntype as provided.
11173 (ix86_value_regno): Handle extra type argument.
11174 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
11176 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
11177 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
11178 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
11179 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
11180 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
11182 2005-07-14 Richard Guenther <rguenther@suse.de>
11184 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
11185 * calls.c (expand_call): Pass fntype to hard_function_value.
11186 (emit_library_call_value_1): Likewise.
11187 * explow.c: Include target.h.
11188 (hard_function_value): Take extra argument, the fntype.
11189 Use new target hook for function_value.
11190 * expr.h (hard_function_value): Change prototype.
11191 * function.c (aggregate_value_p): Pass 0 as fntype to
11192 hard_function_value.
11193 (assign_parms): Use new target hook for function_value.
11194 Pass 0 as fntype to hard_function_value.
11195 (expand_function_end): Likewise.
11196 * reg-stack.c: Include target.h.
11197 (stack_result): Use new target hook for function_value.
11198 * target-def.h: New target hook function_value.
11199 * target.h: Likewise.
11200 * targhooks.c (default_function_value): New function.
11201 * targhooks.h (default_function_value): Declare.
11203 2005-07-13 Ian Lance Taylor <ian@airs.com>
11205 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
11207 2005-07-14 Jan Hubicka <jh@suse.cz>
11209 * tree-dfa.c (dump_variable): Use default_def function.
11210 * tree-ssa-alias.c (dump_points_to_info): Likewise.
11211 * tree-ssa.c (verify_use): Likewise.
11212 * tree-ssanames.c (release_ssa_name): Likewise.
11213 * tree-tailcall.c (eliminate_tail_call): Likewise.
11214 (tree_optimize_tail_calls_1): Likewise.
11215 * tree-vrp.c (get_value_range): Likewise.
11217 2005-07-14 Ben Elliston <bje@au.ibm.com>
11219 * gcc.c (main): Compare language[0] with '*' when iterating over
11222 2005-07-13 Adrian Straetling <straetling@de.ibm.com>
11224 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
11225 "s390_emit_compare". Add handling of CCZ1mode.
11226 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
11227 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
11229 (s390_branch_condition_mask): Add CCZ1mode handling.
11230 * config/s390/s390.md: ("seq", "*seq"): New pattern.
11231 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
11232 Use CCZ1mode instead of CCZmode.
11233 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
11235 2005-07-13 Adrian Straetling <straetling@de.ibm.com>
11237 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
11239 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
11241 2005-07-13 Eric Christopher <echristo@redhat.com>
11243 * config/mips/mips.c (mips_canonicalize_comparison): New.
11244 (mips_emit_int_relational): Use.
11246 2005-07-13 Eric Christopher <echristo@redhat.com>
11248 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11249 static extra parts.
11250 * config/s390/s390.md: Include tpf.md. Move tpf specific
11252 * config/s390/tpf.md: To here.
11253 * config/s390/s390.opt: Move tpf specific options...
11254 * config/s390/tpf.opt: to here. Add mmain option.
11255 * config/s390/tpf-unwind.h: Remove unnecessary defines.
11256 * config/s390/tpf.h: Rewrite.
11258 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
11260 * doc/tm.texi: Remove @xref{Cross-profiling}.
11262 2005-07-13 Jeff Law <law@redhat.com>
11264 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
11265 expressions, test their _DECL operands for pointer equality rather
11266 than using operand_equal_p.
11268 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
11270 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
11271 (TARGET_POSIX_IO): This.
11272 * config/darwin.h: Likewise.
11273 * config/freebsd.h: Likewise.
11274 * config/linux.h: Likewise.
11275 * config/lynx.h: Likewise.
11276 * config/netbsd.h: Likewise.
11277 * config/rs6000/linux64.h: Likewise.
11278 * config/rs6000/linux.h: Likewise.
11279 * config/s390/tpf.h: Likewise.
11280 * config/sh/embed-elf.h: Likewise.
11281 * config/sparc/linux64.h: Likewise.
11282 * config/sparc/linux.h: Likewise.
11283 * config/svr4.h: Likewise.
11284 * gcov-io.h: Likewise.
11286 * doc/tm.texi: Updated.
11288 * libgcov.c (create_file_directory): Defined only if
11289 TARGET_POSIX_IO is defined.
11290 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
11293 2005-07-13 Jan Hubicka <jh@suse.cz>
11295 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
11297 2005-07-13 David Edelsohn <edelsohn@gnu.org>
11299 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
11300 structure as argument.
11302 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
11304 PR tree-optimization/21921
11305 * tree-iterator.c (tsi_link_before): Support the case when
11306 tsi_end_p (tsi) == true.
11308 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11310 PR tree-optimization/22442
11311 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
11314 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11316 PR rtl-optimization/20376
11317 * toplev.c (process_options): Enable -fweb and -frename-registers when
11319 * doc/invoke.texi: Update the information about when -fweb and
11320 -frename-registers are enabled.
11322 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11325 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
11326 if *rhs_p is not a SSA_NAME.
11328 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
11330 Fix PR tree-optimization/22422
11331 * tree-ssa-structalias.c (struct variable_info): Add flag for
11333 (get_varinfo): Now a static function.
11334 (new_varinfo): init has_union and is_special_var to false.
11335 (solution_set_add): Check has_union.
11336 (do_da_constraint): Move temporary variable so it gets reset
11338 Also check for special variable.
11339 (do_ds_constraint): Ditto.
11340 (do_sd_constraint): Ditto.
11341 (do_structure_copy): Check for special variable.
11342 (find_func_aliases): Ditto.
11343 (init_base_vars): Set special vars properly.
11345 2005-07-13 Jan Hubicka <jh@suse.cz>
11347 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
11350 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
11351 (get_expr_operands): Fix thinko wrt flags and subvars.
11353 PR tree-optimize/22379
11354 * tree-inline.c (expand_call_inline): Do not output sorry in early
11357 2005-07-12 Dale Johannesen <dalej@apple.com>
11359 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
11361 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11364 * host-linux.h: Include limits.h.
11366 2005-07-12 Dale Johannesen <dalej@apple.com>
11368 * expr.c (compress_float_constant): Add cost check.
11369 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
11371 2005-07-12 Dale Johannesen <dalej@apple.com>
11373 * gcc.target/i386/compress-float-sse.c: New.
11374 * gcc.target/i386/compress-float-sse-pic.c: New.
11375 * gcc.target/i386/compress-float-387.c: New.
11376 * gcc.target/i386/compress-float-387-pic.c: New.
11377 * gcc.dg/compress-float-ppc.c: New.
11378 * gcc.dg/compress-float-ppc-pic.c: New.
11380 2005-07-12 Eric Christopher <echristo@redhat.com>
11382 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11383 static extra parts.
11384 * config/s390/s390.md: Include tpf.md. Move tpf specific
11386 * config/s390/tpf.md: To here.
11387 * config/s390/s390.opt: Move tpf specific options...
11388 * config/s390/tpf.opt: to here. Add mmain option.
11389 * config/s390/tpf-unwind.h: Remove unnecessary defines.
11390 * config/s390/tpf.h: Rewrite.
11392 2005-07-12 Eric Christopher <echristo@redhat.com>
11394 * gcc.c (struct infile): Update comment for language.
11395 (main): Rewrite input file resetting code.
11397 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11400 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
11401 requiring a cast in a non RHS of modify_expr. Add a cast when required.
11402 (lookup_avail_expr): Use constant_boolean_node instead
11403 of boolean_false_node/boolean_true_node.
11405 2005-07-12 Ben Elliston <bje@au.ibm.com>
11407 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
11408 and use it when printing num_edges.
11410 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
11412 * doc/extend.texi (Blackfin Built-in Functions): New section.
11413 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
11416 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
11418 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
11419 s/cmpstrsi/cmpstrnsi
11420 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
11422 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
11423 (init_optabs): Initialize cmpstrn_optab.
11424 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
11425 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
11426 * expr.c: (enum insn_code cmpstrn_optab): Declare.
11427 * config/i386/i386.md: s/cmpstr/cmpstrn
11428 * config/c4x/c4x.md: s/cmpstr/cmpstrn
11429 * doc/md.texi: Update documentation.
11431 2005-07-11 Richard Henderson <rth@redhat.com>
11433 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
11434 build_va_arg_indirect_ref.
11435 (alpha_gimplify_va_arg): Likewise.
11436 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
11437 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11438 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
11439 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
11440 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11441 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
11443 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11445 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11447 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
11448 * passes.c (init_optimization_passes): Add pass_empty_loop.
11449 * tree-pass.h (pass_empty_loop): Declare.
11450 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
11451 try_remove_empty_loop, remove_empty_loops): New functions.
11452 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
11453 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
11455 2005-07-12 Peter Barada <peter@the-baradas.com>
11457 PR middle-end/16719
11458 PR middle-end/18421
11459 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
11460 in address registers.
11461 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
11462 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
11463 alternative of addsi3_5200.
11465 2005-07-11 Ian Lance Taylor <ian@airs.com>
11467 * config/mips/mips.md (ffs<mode>2): Remove.
11469 2005-07-11 Ian Lance Taylor <ian@airs.com>
11471 * doc/tree-ssa.texi (Cleanups): Improve description of
11473 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
11475 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
11477 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
11478 * tree.h (DECL_ARGUMENT_FLD): New macro.
11480 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
11482 Fix PR tree-optimization/22404
11484 * tree-ssa-structalias.c (create_variable_info_for): Use
11487 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
11489 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
11490 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
11491 for second comparison operand.
11492 * config/bfin/predicates.md (reg_or_const_int_operand): New.
11494 * config/bfin/bfin.md (define_attr "type"): Add "sync".
11495 (define_insn_reservation "alu"): Likewise.
11496 (csync, ssync): Now of type sync.
11497 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
11498 -mcsync-anomaly -mspecld-anomaly.
11499 * config/bfin/bfin.opt (mcsync): Remove.
11500 (mcsync-anomaly, mspecld-anomaly): Add.
11501 * config/bfin/bfin.c: Include "insn-codes.h".
11502 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
11503 (TARGET_DEFAULT_TARGET_FLAGS): New.
11504 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
11506 2005-07-11 Steven Bosscher <stevenb@suse.de>
11508 * basic-block.h: Give the BB flags enum a name, bb_flags.
11509 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
11510 * cfgcleanup.c (enum bb_flags): Remove here.
11511 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
11512 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
11513 (update_forwarder_flag): Likewise.
11514 (thread_jump): Likewise.
11515 (try_forward_edges): Likewise.
11516 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
11517 forwarder flags. Don't clear bb->aux for all basic blocks. Only
11518 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
11520 2005-07-11 Richard Guenther <rguenther@suse.de>
11522 * config/i386/i386.opt: New target option -msseregparm.
11523 * config/i386/i386.c (override_options): Error out for
11524 -msseregparm but no SSE support.
11525 (ix86_function_sseregparm): Check for global sseregparm.
11526 * doc/invoke.texi: Document -msseregparm.
11528 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11530 * config.gcc (m32r-*-linux*): Use the default extra_parts.
11531 (m32rle-*-linux*): Ditto.
11533 2005-07-11 Jakub Jelinek <jakub@redhat.com>
11535 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
11536 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
11539 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11541 PR middle-end/22239
11543 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
11544 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
11546 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
11548 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
11549 (varmap): Heapify varmap.
11550 (constraints): Heapify constraints.
11551 (struct constraint_graph): Heapify succs and preds.
11552 (constraint_vec_find): Update for heapification.
11553 (constraint_set_union): Ditto.
11554 (insert_into_complex): Ditto.
11555 (constraint_edge_vec_find): Ditto.
11556 (erase_graph_self_edge): Ditto.
11557 (add_graph_edge): Ditto.
11558 (get_graph_weights): Ditto.
11559 (merge_graph_nodes): Ditto.
11560 (build_constraint_graph): Ditto.
11561 (topo_visit): Ditto.
11562 (solve_graph): Ditto.
11563 (create_variable_info_for): Ditto.
11564 (init_base_vars): Ditto.
11565 (delete_points_to_sets): Free graph, varmap, and complex constraints.
11566 (condese_varmap_nodes): Free complex vector.
11567 (clear_edges_for_node): Clear succs and preds vector.
11569 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
11571 * tree-ssa-structalias.c (update_alias_info): Change counting of
11572 references to not include vdefs.
11574 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
11576 * tree-ssa-alias.c (free_used_part_map): Add missing free.
11577 (up_insert): Ditto.
11579 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11581 * pa.c (pa_commutative_p): Make PLUS commutative when
11582 TARGET_NO_SPACE_REGS is true.
11584 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11586 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
11587 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
11588 * tree-dfa.c (dump_subvars_for): New.
11589 (debug_subvars_for): New.
11590 (dump_variable): Show subvariables if VAR has them.
11591 * tree-flow-inline.h (get_subvar_at): New.
11592 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
11593 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
11595 (struct subvar): Change fields offset and size to unsigned
11597 (dump_subvars_for): Declare.
11598 (debug_subvars_for): Declare.
11599 (get_subvar_at): Declare.
11600 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11601 to unsigned HOST_WIDE_INT *.
11602 (overlap_subvar): Likewise.
11603 * tree-gimple.c (is_gimple_reg): Always return false for
11604 SFTs and memory tags.
11605 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11606 Update all callers.
11607 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11608 (compute_may_aliases): Call compute_points_to_sets.
11609 (collect_points_to_info_for): Remove.
11610 (compute_points_to_and_addr_escape): Remove.
11611 (delete_alias_info): Call delete_points_to_sets.
11612 (compute_flow_sensitive_aliasing): If the call to
11613 find_what_p_points_to returns false, call set_pt_anything.
11614 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11615 (set_pt_anything): Clear pi->pt_vars.
11616 (set_pt_malloc): Remove.
11617 (merge_pointed_to_info): Remove.
11618 (add_pointed_to_expr): Remove.
11619 (add_pointed_to_var): Remove.
11620 (collect_points_to_info_r): Remove.
11621 (is_escape_site): Make extern.
11623 (create_overlap_variables_for): Call it.
11624 * tree-ssa-copy.c (merge_alias_info): Never merge
11625 flow-sensitive alias information.
11626 * tree-ssa-operands.c (get_expr_operands): Adjust variables
11627 offset and size to be unsigned HOST_WIDE_INT.
11628 (add_to_addressable_set): Rename from note_addressable.
11629 Set TREE_ADDRESSABLE as the variables are added to the set.
11631 (add_stmt_operand): Do not try to micro-optimize unmodifiable
11632 operands into VUSEs when adding V_MAY_DEFs for members in an
11634 * tree-ssa-operands.h (add_to_addressable_set): Declare.
11635 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11636 (struct variable_info): Add bitfield is_heap_var.
11637 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11638 (new_var_info): Initialize is_heap_var.
11639 (get_constraint_for): Add HEAP variables to the symbol table.
11640 Mark them with is_heap_var.
11641 (update_alias_info): New. Taken mostly from the old
11642 compute_points_to_and_addr_escape.
11643 (handle_ptr_arith): New.
11644 (find_func_aliases): Call update_alias_info.
11645 Call handle_ptr_info for tcc_binary expressions.
11646 Call mark_stmt_modified.
11647 (create_variable_info_for): If DECL has subvars, do not create
11648 variables for its subvars. Always add all the fields.
11649 (set_uids_in_ptset): If the solution includes ANYOFFSET and
11650 SFTs, then add all the SFTs of the structure.
11651 If VI->DECL is an aggregate with subvariables, add the SFT at
11653 (find_what_p_points_to): If VI is an artificial variable,
11654 translate to bitfields in SSA_NAME_PTR_INFO.
11655 If the solution is empty, set pi->pt_vars to NULL
11656 (init_base_vars): Create ANYOFFSET.
11657 (compute_points_to_sets): Rename from create_alias_vars.
11659 (pass_build_pta): Remove.
11660 (delete_points_to_sets): Rename from delete_alias_vars.
11661 (pass_del_pta): Remove.
11662 * tree-ssa-structalias.h (struct alias_info): Move from
11664 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11665 NUM_REFERENCES_SET): Likewise.
11666 (compute_points_to_sets, delete_points_to_sets): Declare.
11668 2005-07-09 Richard Henderson <rth@redhat.com>
11670 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11671 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11672 alpha_split_lock_test_and_set_12): New functions.
11673 * config/alpha/alpha-protos.h: Update.
11674 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11675 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11676 * config/alpha/sync.md (I12MODE): New.
11677 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11678 (sync_<fetchop_name><I48MODE>): Likewise.
11679 (sync_nand<I48MODE>): Likewise.
11680 (sync_old_<fetchop_name><I48MODE>): Likewise.
11681 (sync_new_<fetchop_name><I48MODE>): Likewise.
11682 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11683 (sync_compare_and_swap<I48MODE>): Likewise.
11684 (sync_lock_test_and_set<I48MODE>): Likewise.
11685 (sync_compare_and_swap<I12MODE>): New.
11686 (sync_compare_and_swap<I12MODE>_1): New.
11687 (sync_lock_test_and_set<I12MODE>): New.
11688 (sync_lock_test_and_set<I12MODE>_1): New.
11690 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11694 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11696 2005-07-09 Jakub Jelinek <jakub@redhat.com>
11698 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11699 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11701 2005-07-09 Richard SAndiford <richard@codesourcery.com>
11704 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11706 2005-07-08 David Edelsohn <edelsohn@gnu.org>
11708 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11709 memory_operand constraint.
11710 (store_conditional_<mode>): Same.
11711 (sync_compare_and_swap<mode>): Same.
11712 (sync_lock_test_and_set<mode>): Same.
11714 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
11716 Rewrite PIC support to more closely model actual instructions.
11717 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11718 (cris_symbol): Remove prototypes for removed functions.
11719 (cris_pic_symbol_type_of, cris_valid_pic_const)
11720 (cris_expand_pic_call_address): Prototypes for new functions.
11721 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11723 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11725 <case ':'>: Add case for new punctuation character.
11726 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11727 emitting (extra) PIC modifier.
11728 <case UNSPEC>: Do not assert for PLT.
11729 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11730 (cris_expand_prologue, cris_expand_epilogue): Check
11731 for pic_offset_table_rtx usage instead of taking
11732 current_function_uses_pic_offset_table as the final word.
11733 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11734 Remove flag_pic difference.
11735 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11736 the moral equivalents of...
11737 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11739 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11740 (cris_handle_option): Mark ARG as unused.
11741 (cris_expand_pic_call_address): New worker function for "call",
11743 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11744 output PIC constructs here.
11745 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11746 as symbol-specific modifers, not whole or part of operands.
11747 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11748 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11749 constants and flag_pic.
11750 (CONSTANT_INDEX_P): Adjust for new functions.
11751 (enum cris_pic_symbol_type): New helper type.
11752 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11753 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11754 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11756 ("movsi"): Emit actual instructions for GOT and relative access.
11757 ("*movsi_got_load"): New pattern to set up the register holding
11759 ("*movsi_internal"): Operand 1 is not a plain general_operand.
11760 Adjust FIXME for 'S'.
11761 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11762 Use "movs" for -fpic cases.
11763 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11764 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11765 ("call", "call_value"): Just call cris_expand_pic_call_address for
11767 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11768 Remove special pattern.
11769 ("*expanded_call_side", "*expanded_call_value_side"): New
11771 (gotplt-to-plt, gotplt-to-plt-side-call)
11772 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11774 * config/cris/cris/predicates.md
11775 ("cris_general_operand_or_gotless_symbol"): Remove unused
11777 ("cris_general_operand_or_symbol"): Adjust for new functions.
11779 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11781 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11783 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
11785 * Makefile.in (TREE_H): Add treestruct.def.
11786 (c-decl.o): Add pointer-set.h
11787 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11788 visibility on regular DECL's.
11789 (merge_decls): Fix the copying of decl nodes of various types for
11790 the new structures. Don't update RTL, section name, weak status,
11791 etc, on DECL's without RTL.
11792 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11793 Don't check volatile on non-variable types.
11794 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11795 to check whether we have seen arguments.
11796 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11797 flag is checked before field (flag is common, field is not).
11798 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
11799 TS_DECL_COMMON could have an origin.
11800 (add_location_or_const_value_attribute): Don't check section name
11801 on non-var/function decls.
11802 (dwarf2out_var_location): Reverse order of tests.
11803 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11804 with DECL_WRTL_CHECK.
11805 * expmed.c (make_tree): rtl is now in decl_with_rtl.
11806 * fold-const.c (fold_binary): Don't check weakness on
11807 non-var/function decls.
11808 (tree_expr_nonzero_p): Ditto.
11809 (fold_checksum_tree): Use tree_decl_extra as sizeof
11811 * ggc-page.c (extra_order_size_table): Add sizes for
11812 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
11814 * gimplify.c (gimplify_bind_expr): Only set
11815 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11816 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11818 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11819 * langhooks.h (init_ts). New langhook.
11820 * passes.c (rest_of_decl_compilation): Reverse order of tests.
11821 * print-tree.c (print_node): Update to only print fields that
11822 exist in the structures the passed decl has.
11823 * toplev.c (wrapup_global_declarations): Don't reset
11824 DECL_DEFER_OUTPUT on DECL's that don't contain it.
11825 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11826 * tree-inline.c (remap_decl): Ditto.
11827 * tree-outof-ssa.c (create_temp): Reverse order of tests.
11828 * tree-pretty-print.c (print_declaration): Don't print
11829 DECL_REGISTER on things that don't contain it.
11830 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11831 non-var/function decls.
11832 * tree.c (tree_contains_struct): New structure.
11833 (init_priority_for_decl): New hashtable.
11834 (tree_int_map): New structure.
11835 (tree_int_map_eq): New function.
11836 (tree_int_map_marked_p): Ditto.
11837 (tree_int_map_hash): Ditto.
11838 (tree_map): Move to tree.h.
11839 (tree_map_eq): Externalize.
11840 (tree_map_hash): Ditto.
11841 (tree_map_marked_p): Ditto.
11842 (init_ttree): Set up tree_contains_struct and call langhook.
11843 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11844 (tree_code_size): Update for new structures.
11845 (tree_node_structure): Update for new structures.
11846 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11848 (copy_node_stat): Copy init priority.
11849 (build_decl_stat): Ditto for visibility.
11850 (ts_enum_names): New.
11851 (tree_contains_struct_check_failed): New function.
11852 (decl_init_priority_lookup): Ditto.
11853 (decl_init_priority_insert): Ditto.
11854 * treestruct.def: New file.
11855 * tree.h (CODE_CONTAINS_STRUCT): New macro.
11856 (CONTAINS_STRUCT_CHECK): Ditto.
11857 (tree_contains_struct_check_failed): New prototype.
11858 (DECL_CHECK): Removed.
11859 (DECL_MINIMAL_CHECK): New.
11860 (DECL_COMMON_CHECK): Ditto.
11861 (DECL_WRTL_CHECK): Ditto.
11862 (DECL_NON_COMMON_CHECK): Ditto.
11863 (DECL_WITH_VIS_CHECK): Ditto.
11864 (VAR_OR_FUNCTION_DECL_P): Ditto
11865 (struct tree_decl_minimal): New structure.
11866 (struct tree_decl_common): Ditto.
11867 (struct tree_decl_with_rtl): Ditto.
11868 (struct tree_decl_with_vis): Ditto.
11869 (struct tree_decl_non_common): Ditto.
11870 (struct tree_field_decl): Ditto.
11871 (struct tree_parm_decl): Ditto.
11872 (struct tree_var_decl): Ditto.
11873 (struct tree_function_decl): Ditto.
11874 (struct tree_const_decl): Ditto.
11875 (struct tree_result_decl): Ditto.
11876 (union tree_node): Add new structures.
11877 * var-tracking.c (track_expr_p): Reverse order of tests.
11879 * doc/c-tree.texi: Add documentation on DECL node internal structure.
11881 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11883 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11884 * system.h: Poison FINALIZE_PIC.
11885 * doc/tm.texi (FINALIZE_PIC): Remove.
11887 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11890 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11891 to the correct type if we have a MODIFY_EXPR.
11893 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11895 PR tree-optimization/22360
11896 * tree.c (upper_bound_in_type): Fix calculations for casting
11897 to a non-wider signed type and casting a signed value to a
11898 wider unsigned type.
11899 (lower_bound_in_type): Fix calculations for casting to a
11900 non-wider signed type.
11902 PR tree-optimization/20139
11903 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11905 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11906 fold_cond_expr_cond.
11907 * tree-ssanames.c (release_defs): Assert in_ssa_p.
11908 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11910 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11913 * tree-complex.c (expand_complex_libcall): Produce
11914 REALPART_EXPR/IMAGPART_EXPR with the correct type.
11916 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
11918 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11919 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11920 b" assert and inserted fastpath code for this case.
11921 (bitmap_ior): Removed "a != b" assert.
11923 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11925 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11926 (ENDFILE_SPEC): Likewise.
11927 * config/m32r/m32r.h (ASM_SPEC): Likewise.
11929 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11930 a large stack frame at epilogue.
11932 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
11934 * final.c: Include sdbout.h when required.
11936 2005-07-07 Geoffrey Keating <geoffk@apple.com>
11938 * config.gcc (*-*-darwin*): Only one target-specific header file
11939 for generic darwin.
11940 (powerpc-*-darwin*): Add version-specific header files.
11941 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11942 * config.in: Regenerate.
11943 * configure: Regenerate.
11944 * gcc.c: Include xregex.h.
11945 (version_compare_spec_function): New.
11946 (spec_function): Add version-compare.
11947 (replace_outfile_spec_function): Reformat comment.
11948 (compare_version_strings): New.
11949 * config/darwin-c.c (version_as_macro): New.
11950 (builtin_define): New.
11951 (darwin_cpp_builtins): New.
11952 * config/darwin-protos.h (darwin_cpp_builtins): New.
11953 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11954 (LIB_SPEC): Make unconditional, update comment.
11955 (TARGET_C99_FUNCTIONS): Define.
11956 * config/darwin.opt: Sort.
11957 (mmacosx-version-min=): New.
11958 * config/darwin7.h: Delete.
11959 * config/darwin8.h: Delete.
11960 * config/i386/darwin.h (): Call darwin_cpp_builtins.
11961 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11962 (TARGET_C99_FUNCTIONS): Define.
11963 * config/rs6000/darwin7.h: New.
11964 * config/rs6000/darwin8.h: New.
11965 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11966 (-mmacosx-version-min): Document.
11968 2005-07-07 Ian Lance Taylor <ian@airs.com>
11970 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11972 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
11974 PR middle-end/22239
11975 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11977 2005-07-07 Khem Raj <kraj@mvista.com>
11979 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11980 in bytes, not words.
11982 2005-07-07 Paul Brook <paul@codesourcery.com>
11984 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11985 DEFAULT_FUNCTION_ARG_PADDING to upward.
11987 2005-07-07 Richard Henderson <rth@redhat.com>
11989 * function.c (locate_and_pad_parm): Record parameter alignment in
11990 stack_alignment_needed.
11992 2005-07-07 David Edelsohn <edelsohn@gnu.org>
11994 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11995 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11996 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11997 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11998 (define_attr "type"): Add isync, sync, load_l, store_c.
11999 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
12000 Create scratch volatile MEM.
12001 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
12003 (load_locked_<mode>): New.
12004 (store_conditional_<mode>): New.
12005 (sync_compare_and_swap<mode>): Replace with splitter.
12006 (sync_lock_test_and_set<mode>): Replace with splitter.
12007 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
12009 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
12010 is ics. Attribute isync.
12011 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
12013 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
12014 and UNSPECV_SYNC_OP.
12015 (emit_unlikely_jump): New.
12016 (emit_load_locked): New.
12017 (emit_store_conditional): New.
12018 (rs6000_split_compare_and_swap): New.
12019 (rs6000_split_lock_test_and_set): New.
12020 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
12021 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
12022 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
12023 rs6000_split_lock_test_and_set): Declare.
12024 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
12025 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
12026 store_c, isync, sync.
12028 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
12030 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
12031 filenames to gtyp-gen.h.
12032 (s-typ-gen): Use it in place of for loops.
12034 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
12036 * hooks.c (hook_bool_rtx_int_false): New function.
12037 * hooks.h (hook_bool_rtx_int_false): Declare.
12038 * target-def.h (TARGET_COMMUTATIVE_P): Define.
12039 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
12040 * target.h (struct gcc_target): Add commutative_p member.
12041 * targhooks.c (hook_bool_rtx_commutative_p): New function.
12042 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
12043 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
12044 (pa_commutative_p): New function.
12045 * jump.c (target.h): Include.
12046 (rtx_renumbered_equal_p): Use targetm.commutative_p.
12047 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
12049 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
12051 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
12052 (s390_expand_setmem): New.
12053 * config/s390/s390.c: Likewise.
12054 (print_shift_count_operand): Truncate to 12 bits instead of 6.
12056 * config/s390/s390.md: ("setmem<mode>"): Accept character as
12057 general_operand. Call new function "s390_expand_setmem".
12058 ("clrmem_long", "*clrmem_long"): Rewrite to ...
12059 ("setmem_long", "*setmem_long"): ... this.
12061 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
12063 * config/s390/s390.c: (optimization_options): Enable
12064 TARGET_MVCLE at -Os.
12065 * doc/invoke.texi: Document changes in default behaviour.
12066 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
12068 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
12070 * expr.c: (set_storage_via_setmem): Convert opchar to mode
12071 defined by back-end.
12073 2005-07-07 Jakub Jelinek <jakub@redhat.com>
12075 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
12076 all sets in the pattern.
12077 * config/rs6000/rs6000.md (stack_protect_testsi,
12078 stack_protect_testdi): Likewise.
12080 2005-07-06 Jeff Law <law@redhat.com>
12082 * tree-vrp.c (simplify_using_ranges): Kill.
12083 (vrp_finalize): Remove call to simplify_using_ranges.
12084 (simplify_stmt_using_ranges): New function extracted from
12085 simplify_using_ranges.
12086 (simplify_div_or_mod_using_ranges): Likewise.
12087 (simplify_abs_using_ranges): Likewise.
12088 (simplify_cond_using_ranges): New function.
12089 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
12090 * tree-ssa-propagate.c (substitute_and_fold): Call
12091 simplify_stmt_using_ranges if we have range information.
12093 2005-07-06 James E. Wilson <wilson@specifixinc.com>
12095 * config/ia64/ia64.c (ia64_reorg): Check optimize before
12096 ia64_flag_schedule_isns2.
12098 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
12099 reading/writing general registers.
12100 (ia64_function_arg): Revert 2005-06-18 change.
12102 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
12104 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
12105 (legitimize_tls_address): Use gcc_unreachable instead of abort.
12107 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
12109 * function.c (expand_function_end): Revert part of 2005-06-27
12110 patch. Do sjlj_emit_function_exit_after after return_label.
12112 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
12114 * doc/install.texi (--disable-libssp): New.
12116 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
12118 * doc/invoke.texi: Update -fforce-mem documentation.
12119 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
12120 code for -fforce-mem.
12121 * expmed.c: (store_bit_field,store_fixed_bit_field,
12122 extract_bit_field): Ditto.
12123 * expr.c: (convert_move): Ditto.
12124 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
12125 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
12126 emit_conditional_add,expand_float,expand_fix): Ditto.
12127 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
12128 (common_handle_option): Issue warning when -fforce-mem specified.
12130 2005-07-06 Paul Brook <paul@codesourcery.com>
12132 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
12134 * configure: Regenerate.
12136 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
12138 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
12140 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
12142 Fix PR tree-optimization/22319
12143 Fix PR tree-optimization/22140
12144 Fix PR tree-optimization/22310
12146 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
12147 variable sized types.
12148 Use correct type for intermediate structure on *a = *b structure
12151 2005-07-06 Jakub Jelinek <jakub@redhat.com>
12153 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
12155 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
12156 (machine_function): Move typedef to...
12157 * config/rs6000/rs6000.c (machine_function): ... here. Add
12158 varargs_save_offset field.
12159 (rs6000_stack_t): Remove varargs_size field.
12160 (setup_incoming_varargs): Allocate varargs save area using
12161 assign_stack_local, try to make it as small as possible.
12162 Save offset from virtual_stack_vars_rtx to the save area
12163 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
12164 instead of magic 8 when fp word byte size is used.
12165 (rs6000_va_start): Use cfun->machine->varargs_save_offset
12166 instead of -RS6000_VARARGS_SIZE.
12167 (rs6000_stack_info, debug_stack_info,
12168 rs6000_initial_elimination_offset): Remove all traces of
12170 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
12171 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
12172 RS6000_VARARGS_AREA.
12174 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
12176 PR tree-optimization/21963
12177 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
12178 constant_multiple_of in the same way get_computation_cost_at does.
12180 2005-07-06 Jakub Jelinek <jakub@redhat.com>
12182 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
12183 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
12184 (gen_compare_reg): If sparc_compare_emitted is set, clear it
12185 and return its previous value.
12186 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
12187 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
12189 (stack_protect_set, stack_protect_test): New expanders.
12190 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
12191 stack_protect_testdi): New insns.
12192 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12193 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
12195 2005-07-06 Jeff Law <law@redhat.com>
12197 * tree-ssa-dce.c (cfg_altered): New global.
12198 (tree_dce_init): Initialize cfg_altered.
12199 (remove_dead_stmt): If we remove an edge in the CFG, then set
12201 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
12204 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
12206 * Makefile.in (stamp-collect-ld): Use
12207 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
12208 ./collect-ld if it already exists.
12209 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
12210 Don't remove ./nm if it already exists.
12212 2005-07-05 Devang Patel <dpatel@apple.com>
12214 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
12215 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
12216 * tree-vectorizer.c (vect_loop_location): New.
12217 (vect_print_dump_info): Use vect_loop_location.
12218 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
12219 (vectorize_loops): Set vect_loop_location.
12220 * tree-vect-analyze.c (vect_analyze_offset_expr,
12221 vect_determin_vectorization_factor, vect_analyze_operations,
12222 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
12223 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
12224 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
12225 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
12226 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
12227 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
12228 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
12229 vect_analyze_loop): Adjust vect_print_dump_info API.
12230 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12231 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
12232 vect_finish_stmt_generation, vectorizable_assignment,
12233 vectorizable_operation, vectorizable_store, vectorizable_load,
12234 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
12235 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
12236 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
12237 vect_transform_loop): Same.
12238 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
12239 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
12242 2005-07-05 Randolph Chung <tausq@debian.org>
12244 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
12245 * configure: Regenerate.
12246 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
12247 (pa_tls_referenced_p): Declare.
12248 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
12249 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
12250 (legitimize_tls_address): New.
12251 (hppa_legitimize_address): Handle TLS addresses.
12252 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
12253 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
12254 (emit_move_sequence): Handle TLS addresses.
12255 (pa_encode_section_info): Call default handler to handle common
12257 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
12258 (CONSTANT_ADDRESS_P): Reject TLS operands.
12259 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
12260 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
12261 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
12262 (UNSPEC_TLSLE): Define new constants.
12263 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
12264 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
12265 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
12266 (tie_symbolic_operand, tle_symbolic_operand): New
12268 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
12270 * aclocal.m4: Update macros for autoconf 2.59 style.
12271 * configure.ac: Likewise.
12273 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12275 * pa.c (function_value): Handle small aggregates on 32-bit targets.
12276 (function_arg): Pass small aggregates in general registers on 32-bit
12278 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
12280 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
12282 * Makefile.in (final.o): Fix dependencies.
12284 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
12288 * langhooks.h (struct lang_hooks): Add expr_to_decl.
12289 * langhooks.c (lhd_expr_to_decl): New.
12290 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
12292 (LANG_HOOKS_INITIALIZER): Update.
12293 * tree.c (recompute_tree_invarant_for_addr_expr): Call
12294 expr_to_decl langhook.
12295 * c-tree.h (c_expr_to_decl): Declare.
12296 * c-typeck.c (c_expr_to_decl): New.
12297 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
12299 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
12301 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
12304 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
12305 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
12307 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
12309 * Makefile.in: Adjust dependencies.
12310 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
12311 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
12312 * alias.c (rest_of_handle_cfg, pass_cfg): New.
12313 * bb-reorder.c (duplicate_computed_gotos): Make it static.
12314 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
12315 rest_of_compilation.
12317 * bb-reorder.c (gate_duplicate_computed_gotos,
12318 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
12319 rest_of_handle_reorder_blocks, pass_reorder_blocks,
12320 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
12321 pass_partition_blocks): New.
12322 * bt-load.c (gate_handle_branch_target_load_optimize,
12323 rest_of_handle_branch_target_load_optimize,
12324 pass_branch_target_load_optimize): New.
12325 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
12327 * cfglayout.c (pass_insn_locators_initialize): New.
12328 * cfgrtl.c (pass_free_cfg): New.
12329 * combine.c (gate_handle_combine, rest_of_handle_combine,
12330 pass_combine): New.
12331 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
12332 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
12333 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
12334 * except.c (pass_set_nothrow_function_flags,
12335 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
12337 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
12338 rest_of_handle_shorten_branches, pass_shorten_branches,
12339 rest_of_clean_state, pass_clean_state): New.
12340 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
12341 rest_of_handle_remove_death_notes, pass_remove_death_notes,
12342 rest_of_handle_life, pass_life, rest_of_handle_flow2,
12344 * function.c (pass_instantiate_virtual_regs, pass_init_function,
12345 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
12346 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
12347 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
12349 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
12350 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
12351 pass_rtl_ifcvt, gate_handle_if_after_combine,
12352 rest_of_handle_if_after_combine, pass_if_after_combine,
12353 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
12354 pass_if_after_reload): New.
12355 * integrate.c (pass_initial_value_sets): New.
12356 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
12357 pass_purge_lineno_notes): New.
12358 * mode-switching.c (rest_of_handle_mode_switching,
12359 pass_mode_switching): New.
12360 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
12361 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
12363 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
12364 pass_loop_optimize): New.
12365 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
12367 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
12369 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
12370 pass_postreload_cse): New.
12371 * profile.c (gate_handle_profiling, pass_profiling,
12372 rest_of_handle_branch_prob, pass_branch_prob): New.
12373 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
12374 pass_split_before_regstack, gate_handle_split_before_regstack,
12375 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
12376 rest_of_handle_split_all_insns, pass_split_all_insns): New.
12377 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
12378 pass_stack_regs): New.
12379 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
12380 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
12381 pass_stack_adjustments): New.
12382 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
12383 pass_regrename): New.
12384 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
12385 pass_delay_slots, gate_handle_machine_reorg,
12386 rest_of_handle_machine_reorg, pass_machine_reorg): New.
12387 * rtl.h (extern void purge_line_number_notes): New.
12388 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
12389 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
12391 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
12393 * value-prof.c (gate_handle_value_profile_transformations,
12394 rest_of_handle_value_profile_transformations,
12395 pass_value_profile_transformations): New.
12396 * var-tracking.c (gate_handle_var_tracking,
12397 pass_variable_tracking): New.
12398 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
12400 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
12401 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
12402 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
12403 rest_of_handle_old_regalloc, rest_of_handle_regrename,
12404 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
12405 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
12406 rest_of_handle_gcse2, rest_of_handle_regmove,
12407 rest_of_handle_tracer, rest_of_handle_if_conversion,
12408 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
12409 rest_of_handle_web, rest_of_handle_branch_prob,
12410 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
12411 rest_of_handle_jump_bypass, rest_of_handle_combine,
12412 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12413 rest_of_handle_gcse, rest_of_handle_loop_optimize,
12414 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
12415 rest_of_handle_mode_switching, rest_of_handle_jump,
12416 rest_of_handle_eh, rest_of_handle_stack_adjustments,
12417 rest_of_handle_flow2, rest_of_handle_jump2,
12418 rest_of_handle_peephole2, rest_of_handle_postreload,
12419 rest_of_handle_shorten_branches, rest_of_clean_state,
12420 rest_of_compilation): Remove.
12422 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
12423 * passes.c (dump_flags, in_gimple_form, all_passes,
12424 all_ipa_passes, all_lowering_passes, register_one_dump_file,
12425 register_dump_files, next_pass_1, last_verified, execute_todo,
12426 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
12427 from tree-optimize.c.
12428 (init_optimization_passes): Moved from tree-optimize.c,
12429 adding the RTL optimizations.
12430 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
12431 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
12432 all_ipa_passes, all_lowering_passes, register_one_dump_file,
12433 register_dump_files, next_pass_1, last_verified, execute_todo,
12434 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
12435 init_tree_optimization_passes, ipa_passes): Delete.
12436 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
12438 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
12439 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
12441 (ipa_passes): Remove.
12442 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
12443 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
12444 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
12445 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
12446 (dump_info_p, dump_flag): Moved to tree-dump.h.
12448 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
12450 * passes.c (finish_optimization_passes): Use dump_begin
12451 and dump_end, TDI_end.
12452 (gate_rest_of_compilation): New.
12453 (pass_rest_of_compilation): Use it.
12454 (gate_postreload, pass_postreload): New.
12455 * toplev.c (general_init): Rename init_tree_optimization_passes.
12456 * toplev.h (init_tree_optimization_passes): Rename to
12457 init_optimizations_passes.
12458 * tree-dump.c (dump_flag): Make static.
12459 (dump_files): Remove RTL dumps.
12460 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
12461 pass_cleanup_cfg, pass_free_cfg_annotations,
12462 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
12463 pass_init_datastructures, pass_fixup_cfg): Make non-static.
12464 * tree-pretty-print.c: Include tree-pass.h.
12465 * cgraph.c: Include tree-dump.h.
12467 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
12469 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
12470 Only fall back to saying it points to readonly memory if
12471 we can't do better.
12473 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
12475 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
12476 * config/m32r/m32r.c (m32r_compute_frame_size,
12477 m32r_expand_prologue): Take current_function_profile into
12478 account whenever we reference
12479 current_function_uses_pic_offset_table.
12480 (m32r_finalize_pic): Remove.
12481 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
12483 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
12485 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
12486 instead of $<. Don't remove ./as if it already exists.
12488 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12491 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
12492 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
12493 for complex modes when generating code for PA 1.0.
12494 (VALID_FP_MODE_P): New macro.
12495 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
12496 sets for all general and floating point modes. Align wide floating
12497 point modes to even register boundaries to comply with architectural
12499 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
12500 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
12501 (VALID_FP_MODE_P): New macro.
12502 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
12503 sets for all general and floating point modes. Align wide floating
12504 point modes to even register boundaries to comply with architectural
12507 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12509 * tree-dump.c (dump_files): Initialize dump number for .cgraph
12512 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12514 * tree-ssa-structalias.c: Don't include expr.h.
12516 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12518 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
12521 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
12523 Fix PR tree-optimization/22279
12525 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
12528 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
12530 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
12532 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
12534 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
12535 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
12536 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
12537 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
12538 config/stormy16/stormy16.c, config/v850/v850.c,
12539 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
12540 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
12541 Avoid "." or "\n" at end of diagnostics and capital letters at
12542 start of diagnostics.
12543 * combine.c, cse.c: Don't translate dump file output.
12544 * toplev.c (print_version): Only translate output if going to
12547 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
12549 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
12550 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
12553 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12555 * pa.c (fix_range): Fix typo in comment.
12557 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
12559 * tree-vrp.c (extract_range_from_assert): Replace
12560 fold (build (...)) with fold_build2.
12562 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12564 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
12565 gcc_gfc_char_table, init_dynamic_gfc_info): New.
12566 (format_types_orig, handle_format_attribute): Add support for
12569 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
12571 * varasm.c (assemble_variable): Fix format specifier thinko.
12573 2005-07-03 Ira Rosen <irar@il.ibm.com>
12575 PR tree-optimization/22029 (and 22135)
12576 * tree-pretty-print.c (dump_generic_node): Check that the node is not
12577 a phi node before calling dump_vops.
12579 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
12581 * tree-dump.h (dump_string_field): Declare.
12582 * tree-dump.c: Use it instead of dump_string.
12583 (dump_string_field): Make non-static.
12585 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
12587 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
12588 up the minimal CFG stuff always when optimize > 0. Call
12589 split_all_insns_noflow in PIC case if needed.
12591 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
12592 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
12595 * c-decl.c (c_write_global_declarations): Dump contents of
12597 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12598 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12599 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12600 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12603 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
12605 * c-common.h (GCC_DIAG_STYLE): Define.
12606 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
12607 version for format checking to 4.1.
12608 * c-format.c: Include toplev.h after c-common.h.
12609 (enum format_type): Add gcc_tdiag_format_type.
12610 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12611 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12612 (format_types_orig): Add gcc_tdiag.
12613 (init_dynamic_diag_info): Support gcc_tdiag formats.
12614 (handle_format_attribute): Likewise.
12615 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12616 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
12617 version for format checking to 4.1.
12618 (warning0, warning, error, pedwarn, sorry): Use
12619 ATTRIBUTE_GCC_DIAG.
12620 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12621 (finish_aliases_1): Do not use %qE.
12622 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12623 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12624 Correct format bugs.
12625 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12626 parameter to unsigned HOST_WIDE_INT.
12627 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12629 2005-07-02 David Edelsohn <edelsohn@gnu.org>
12631 PR middle-end/21742
12632 * expr.c (write_complex_part): Use adjust_address for MEM.
12633 (read_complex_part): Same.
12635 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
12637 Fix PR tree-optimization/22280
12639 * tree-sra.c (generate_element_init): Remove useless loop.
12641 2005-07-02 Richard Henderson <rth@redhat.com>
12643 * config/alpha/alpha.c (alpha_legitimize_address): Check for
12645 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12647 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
12649 PR middle-end/14490
12650 * fold-const.c (fold_binary): Handle the return value of
12651 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12652 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12654 2005-07-02 Jeff Law <law@redhat.com>
12656 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12657 a eliminate type conversion which feeds an equality comparison
12658 if the original type or either operand in the comparison is a
12661 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
12663 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12664 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12666 * config/avr/avr.c: Do not use '`' as left quote.
12667 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12668 Remove "." from end of diagnostics. Make diagnostics start with
12671 2005-07-02 Zack Weinberg <zack@codesourcery.com>
12672 Joseph S. Myers <joseph@codesourcery.com>
12674 * toplev.c (default_tree_printer): Handle setting location with
12676 * c-objc.common.c (c_tree_printer): Likewise.
12677 * c-format.c (gcc_diag_flag_specs): Add '+'.
12678 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12679 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12681 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12682 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12683 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12684 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12685 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12686 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
12687 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
12688 format arguments where %J is used without %D.
12690 2005-07-02 Jakub Jelinek <jakub@redhat.com>
12692 * gcc.c (LINK_SSP_SPEC): Define.
12693 (link_ssp_spec): New variable.
12694 (LINK_COMMAND_SPEC): Add %(link_ssp).
12695 (static_specs): Add link_ssp_spec.
12696 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12697 * configure: Rebuilt.
12698 * config.in: Rebuilt.
12700 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12701 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12702 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12703 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12704 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12705 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12706 -0x7008(2) instead of reading __stack_chk_guard variable.
12707 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12709 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12710 (stack_protect_set, stack_protect_test): Use *_tls* patterns
12711 if TARGET_THREAD_SSP_OFFSET is defined.
12712 (stack_tls_protect_set_si, stack_tls_protect_set_di,
12713 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12716 2005-06-27 Richard Henderson <rth@redhat.com>
12717 * libgcc-std.ver (GCC_4.1.0): New.
12718 * libgcc.h (__stack_chk_guard): Declare.
12719 (__stack_chk_fail, __stack_chk_fail_local): Declare.
12720 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12721 * mklibgcc.in (lib2funcs): Add them.
12723 2005-07-01 Richard Henderson <rth@redhat.com>
12725 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12726 void * before struct sigcontext *.
12727 (x86_fallback_frame_state): Likewise.
12729 2005-07-01 James E. Wilson <wilson@specifixinc.com>
12731 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12733 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12736 * tree-ssa-reassoc.c (should_transpose): Fix which operand
12737 we check for SSA_NAME for.
12739 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
12741 Fix PR tree-optimization/22071
12743 * tree-ssa-structalias.c (offset_overlaps_with_access): New
12745 (get_constraint_for_component_ref): Use it.
12747 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12750 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12751 print out the last new line.
12753 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
12755 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12756 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12757 * config/cris/cris.c (cris_conditional_register_usage): Adjust
12758 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12759 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12760 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12761 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12762 (enum reg_class): New member CC0_REGS.
12763 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12764 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12765 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12766 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12767 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12768 Adjust for register now described.
12770 2005-07-01 Jakub Jelinek <jakub@redhat.com>
12773 * config/i386/i386.md (stack_protect_test_si,
12774 stack_protect_test_di): Add earlyclobber for scratch 3.
12775 * config/rs6000/rs6000.md (stack_protect_testsi,
12776 stack_protect_testdi): Add earlyclobber for scratch 3,
12777 remove earlyclobber from scratch 4.
12779 Older entries for 2005 can be found in ChangeLog-2005.