1 2005-12-19 Roger Sayle <roger@eyesopen.com>
3 * combine.c (try_combine): Improve splitting of binary operators
4 by taking advantage of reassociative transformations.
6 2005-12-19 Jeff Law <law@redhat.com>
8 * tree-ssa-dom.c (thread_across_edge): Do not use local_fold.
9 Strip away all type conversions after simplifying the
12 * tree-cfgcleanup.c (merge_phi_nodes): Allow merging in some
13 cases the forwarder block dominates the destination.
15 2005-12-19 DJ Delorie <dj@redhat.com>
17 * reload1.c (spill_failure): Dump reload data to dump file.
18 (find_reload_regs): Likewise.
20 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
22 PR tree-optimization/24793
23 * tree-ssa-loop-ivopts.c (get_ref_tag): Remember the
24 original reference if there are subvars.
25 * tree-ssa-operands.c (get_tmr_operands): Handle subvars.
27 2005-12-19 Kenneth Zadeck <zadeck@naturalbridge.com>
29 * df.c (df_analyze_1, df_analyze_subcfg, iterative_dataflow):
30 Corrected basic block number calculations for changes in entry and
33 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
35 * tree-flow.h (struct var_ann_d): Change type of
36 may_aliases field to VEC(tree, gc) *.
37 (may_aliases): Declaration changed.
38 * tree-ssa-alias.c (group_aliases, add_may_alias,
39 replace_may_alias, dump_may_aliases_for,
40 is_aliased_with, add_type_alias, new_type_alias):
41 Work with VEC(tree, gc) * instead of varray.
42 * tree-flow-inline.h (may_aliases): Ditto.
43 * tree-ssa.c (verify_flow_insensitive_alias_info,
44 verify_name_tags): Ditto.
45 * tree-ssa-operands.c (add_stmt_operand): Ditto.
47 2005-12-19 J"orn Rennecke <joern.rennecke@st.com>
49 * cfgcleanup.c: Temporarily revert patches for PR 20070 till Bernd
52 2005-12-19 J"orn Rennecke <joern.rennecke@st.com>
54 * struct-equiv.c (struct_equiv_improve_checkpoint): Fix sets_cc0_p
57 2005-12-19 Ben Elliston <bje@au.ibm.com>
59 * doc/install.texi (Configuration): Typo in Fortran subheading.
61 2005-12-19 Nathan Sidwell <nathan@codesourcery.com>
63 * config/mt/mt.md (decrement_and_branch_until_zero): Add another
64 scratch. Correct its reload split. Adjust its peephole.
65 (doloop_end): Add additional scratch.
67 * config/mt/mt.c (MT_INT_ARG_FIRST): Remove.
68 (mt_asm_output_opcode, mt_print_operand): Use 'nop'.
69 (mt_function_arg_slotno): Use FIRST_ARG_REGNUM.
70 (mt_builtin_saveregs): Replace with ...
71 (mt_setup_incoming_varargs): ... here. Save just the varadic
73 (mt_va_start): Remove.
74 (mt_reorg_hazard): Ignore USE insns. Don't call set_noop_p.
75 (mt_machine_reorg): Split all insns here.
76 (TARGET_SETUP_INCOMING_VARARGS): Override.
77 * config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only.
79 (EXPAND_BUILTIN_VA_START): Remove.
81 2005-12-17 Kenneth Zadeck <zadeck@naturalbridge.com>
83 * flow.c (update_life_info, count_or_remove_death_notes): Fixed
84 latent bug that could happen if update_life_info was called with a
85 blocks parameter and the call to cleanup_cfg actually deleted one
88 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
90 * tree-ssa-structalias.c (update_alias_info): Remove handling
91 of may_be_aliased (SSA_NAME_VAR (op)) case.
93 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
95 * tree-flow.h (struct stmt_ann_d): Remove
96 makes_aliased_loads and makes_aliased_stores fields.
97 * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores
98 and makes_aliased_loads fields.
99 * tree-ssa-dom.c (eliminate_redundant_computations): Do not
100 use makes_aliased_stores.
101 * tree-ssa-operands.c (clobbered_aliased_loads,
102 clobbered_aliased_stores, ro_call_aliased_loads): Removed.
103 (build_ssa_operands, add_stmt_operand, add_call_clobber_ops,
104 add_call_read_ops): Do not set makes_aliased_stores and
105 makes_aliased_loads fields.
106 * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores
109 2005-12-18 Geoffrey Keating <geoffk@apple.com>
111 * config/darwin.h: Don't include darwin-sections.def to declare
112 global variables; instead create darwin_section_enum.
113 (darwin_section_enum): New.
114 (darwin_sections): New.
115 * config/darwin.c: Don't include darwin-sections.def to define
117 (darwin_sections): New.
118 (output_objc_section_asm_op): Rewrite to take advantage of
120 (darwin_init_sections): Rewrite to use darwin_sections.
121 (machopic_output_indirection): Update for darwin_sections array.
122 (machopic_select_section): Likewise.
123 (machopic_select_rtx_section): Likewise.
124 (machopic_asm_out_constructor): Likewise.
125 (machopic_asm_out_destructor): Likewise.
126 (darwin_file_end): Likewise.
127 * config/rs6000/rs6000.c (machopic_output_stub): Likewise.
128 * config/i386/i386.c (machopic_output_stub): Likewise.
130 2005-12-18 Richard Guenther <rguenther@suse.de>
132 PR tree-optimization/25481
133 * tree-ssa-structalias.c (handle_ptr_arith): Handle
134 accesses we don't have a varinfo for.
136 2005-12-17 Jon Grimm <jgrimm2@us.ibm.com>
137 Janis Johnson <janis187@us.ibm.com>
138 Ben Elliston <bje@au.ibm.com>
140 * optabs.c (init_floating_libfuncs): Handle decimal float modes.
141 (init_optabs): Handle libfuncs for decimal float.
142 * genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
143 * stor-layout.c (int_mode_for_mode): Likewise.
144 * simplify-rtx.c (simplify_immed_subreg): Likewise.
145 (simplify_unary_operation_1): Skip optimisations for decimal float
147 * varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
148 * emit-rtl.c (gen_const_vector): Add assertion check.
149 (init_emit_once): Populate const_tiny_rtx with constants in each
151 * expmed.c (extract_high_half, expand_mult_highpart_optab,
152 expand_mult_highpart): Assert that mode is not a scalar float
154 * expr.c (convert_move): Handle conversion between decimal and
155 binary floats of the same size.
156 * convert.c (convert_to_real): Consider decimal float types when
158 * dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
159 describe decimal floating point types.
161 2005-12-18 Ulrich Weigand <uweigand@de.ibm.com>
163 PR rtl-optimization/21041
164 * reload.c (find_reloads_subreg_address): Replace paradoxical
165 subreg of MEM by widened access only if the resulting memory
166 is properly aligned, even on !STRICT_ALIGNMENT targets.
168 2005-12-18 Andreas Krebbel <krebbel1@de.ibm.com>
170 * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.
172 2005-12-18 Steven Bosscher <stevenb@suse.de>
174 * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
175 the 2005-12-17 patch to renumber the entry and exit blocks.
177 2005-12-18 Gabriel Dos Reis <gdr@integrable-solutions.net>
179 * doc/objc.texi (Type encoding): Fix typo.
181 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
183 * tree-tailcall.c (find_tail_calls): Use XNEW.
184 * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
185 (free_all_edge_infos): Use explicit cast to convert from void *.
186 (vrp_free): Likewise.
187 (dom_opt_finalize_block): Likewise.
188 (record_equivalences_from_incoming_edge): Likewise.
189 (thread_across_edge): Likewise. Use XCNEWVEC.
190 (record_cond): Use XCNEW.
191 (record_conditions): Use XNEWVEC.
192 (record_edge_info): Use XCNEWVEC.
193 (lookup_avail_expr): Use XNEW.
194 (record_range): Likewise. Use GGC_NEW.
195 * tree-nested.c (var_map_hash): Use explicit cast to convert from
197 (var_map_eq): Likewise.
198 (lookup_field_for_decl): Likewise.
199 (convert_nonlocal_reference): Likewise.
200 (convert_local_reference): Likewise.
201 (convert_nl_goto_reference): Likewise.
202 (convert_nl_goto_receiver): Likewise.
203 (convert_call_expr): Likewise.
204 (convert_tramp_reference): Likewise.
205 (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
206 (convert_nl_goto_reference): Likewise.
207 (lookup_field_for_decl): Use GGC_NEW.
208 (create_nesting_tree): Use GGC_CNEW.
209 * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
210 * tree-ssa-alias.c (init_alias_info): Use XCNEW.
211 (create_alias_map_for): Likewise.
212 (setup_pointers_and_addressables): Use XCNEWVEC.
213 (get_ptr_info): Use GGC_NEW.
214 (used_part_map_eq): Use explicit cast to convert from void *.
215 (up_lookup): Likewise.
216 (up_insert): Use XNEW.
217 (get_or_create_used_part_for): Use XCNEW.
218 (get_tmt_for): Likewise.
219 * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
220 * tree-ssa-pre.c (phi_trans_add): Use XNEW.
221 (bitmap_set_new): Use explicit cast to convert from void *.
223 (insert_into_set): Likewise.
224 (pool_copy_list): Likewise.
225 (phi_translate): Likewise.
226 (create_value_expr_from): Likewise.
227 (insert_aux): Use XCNEWVEC.
228 (compute_avail): Use XNEWVEC.
229 * tree-ssa-live.c (calculate_live_on_entry): Likewise.
230 (sort_coalesce_list): Likewise.
231 (build_tree_conflict_graph): Use XCNEWVEC.
232 * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
233 * tree-ssa-copy.c (init_copy_prop): Likewise.
234 (fini_copy_prop): Likewise.
235 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
237 (record_equiv): Use XNEW.
238 (uncprop_into_successor_phis): Use explicit cast to convert from
240 (uncprop_initialize_block): Likewise.
242 2005-12-18 Dorit Nuzman <dorit@il.ibm.com>
244 PR tree-optimization/24378
245 * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
246 basic-block after loop-versioning.
248 2005-12-18 Jeff Law <law@redhat.com>
250 * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
251 to simplify SWITCH_EXPR_CODE moved from here to ...
252 * tree-ssa-forwprop.c (simplify_switch_expr): Here.
253 (tree-ssa-forward_propagate_single_use_vars): Call
254 simplify_switch_expr when appropriate.
256 2005-12-17 Andrew Pinski <pinskia@physics.uc.edu>
258 * doc/objc.texi (Type encoding): Add documentation about encoding
259 complex types and _Bool.
261 2005-12-17 Paul Brook <paul@codesourcery.com>
263 * config/m68k/m68k.md (m68k_output_function_prologue): Always call
264 dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
265 when frame_pointer_needed.
267 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
269 * tree-vn.c (vn_add): Use XNEW.
270 * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
271 (ccp_fold): Likewise.
272 (fold_stmt_r): Use explicit cast to convert from void *.
273 * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
274 (new_temp_expr_table): Likewise.
275 * gimplify.c (lookup_tmp_var): Use XNEW.
276 (gimplify_asm_expr): Use explcit cast to convert from void *.
277 * tree-into-ssa.c (get_ssa_name_ann): Likewise.
278 (get_def_blocks_for): Use XNEW.
279 (add_to_repl_tbl): Likewise.
280 (mark_def_sites): Use explicit cast to convert from void *.
281 (def_blocks_free): Likewise.
282 (mark_def_sites_initialize_block): Likewise.
283 (update_ssa): Use XNEWVEC.
284 * tree-dfa.c (create_var_ann): Use GGC_NEW.
285 (create_stmt_ann): Likewise.
286 (create_tree_ann): Likewise.
287 (referenced_var_insert): Likewise.
288 (set_default_def): Likewise.
289 (referenced_var_lookup_if_exists): Use explicit cast to convert
291 (referenced_var_lookup): Likewise.
292 (default_def): Likewise.
293 (set_default_def): Likewise.
294 * tree-cfg.c (create_bb): Likewise.
295 (edge_to_cases_cleanup): Likewise.
296 (verify_node_sharing): Likewise.
297 (record_switch_edge): Use XNEW.
298 (cleanup_dead_labels): Use XCNEWVEC.
299 (tree_duplicate_sese_region): Use XNEWVEC.
300 * tree-scalar-evolution.c (get_instantiated_value): Likewise.
301 * tree-ssa.c (verify_ssa): Use XCNEWVEC.
302 (int_tree_map_eq): Use explicit cast to convert from void *.
303 * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
304 (__gcov_execl): Likewise.
305 (__gcov_execlp): Likewise.
306 (__gcov_execle): Likewise.
307 * tree-eh.c (struct_ptr_eq): Likewise.
308 (struct_ptr_hash): Likewise.
309 (lookup_stmt_eh_region_fn): Likewise.
310 (outside_finally_tree): Likewise.
311 (find_goto_replacement): Likewise.
312 (make_eh_edge): Likewise.
313 (mark_eh_edge): Likewise.
314 (add_stmt_to_eh_region_fn): Use GGC_NEW.
315 (record_in_finally_tree): Use XNEW.
316 (maybe_record_in_goto_queue): Use XRESIZEVEC.
317 (lower_try_finally_copy): Use XCNEWVEC.
319 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
321 * tree-inline.c (copy_body_r): Use explicit cast when converting
324 (copy_edges_for_bb): Likewise.
325 (remap_decl_1): Likewise.
326 (estimate_num_insns_1): Likewise.
327 * cgraph.c (hash_node): Use explicit cast when converting from
330 (cgraph_create_node): Use GGC_CNEW.
331 (cgraph_create_edge): Use GGC_NEW.
332 (cgraph_remove_node): Use explicit cast when converting from void *.
333 (hash_varpool_node): Likewise.
334 (eq_varpool_node): Likewise.
335 (cgraph_varpool_node): Use GGC_CNEW.
336 * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
337 * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
338 (eq_scev_info): Use explicit cast when converting from void *.
339 (find_var_scev_info): Likewise.
340 (set_instantiated_value): Likewise.
341 (gather_stats_on_scev_database_1): Likewise.
342 * cfgloop.h (simple_loop_desc): Use explicit cast when converting
344 * c-pch.c (c_common_write_pch): Use XNEWVEC.
345 (c_common_read_pch): Likewise.
346 * prefix.c (save_string): Use XNEWVEC.
347 (translate_name): Use explicit cast when converting from void *.
348 * c-ppoutput.c (print_line): Use explicit cast when converting
350 (pp_dir_change): Likewise.
351 * c-cppbuiltin.c (builtin_define_std): Likewise.
352 (builtin_define_with_value): Likewise.
353 (builtin_define_with_value_n): Likewise.
354 (builtin_define_with_int_value): Likewise.
355 (builtin_define_type_max): Likewise.
356 * c-incpath.c (add_env_var_paths): Use XNEWVEC.
357 (add_path): Use XNEW.
358 * c-format.c (check_format_info_main): Use GGC_NEW.
359 (format_type_warning): Use explicit cast when converting from void *.
360 * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
362 (start_init): Likewise.
363 * tree-flow-inline.h (first_referenced_var): Use explicit cast
364 when converting from void *.
365 (next_referenced_var): Likewise.
366 * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
367 * gensupport.c (lookup_predicate): Use explicit cast to convert
369 (init_predicate_table): Use XCNEW instead of xcalloc.
370 * genpreds.c (process_define_predicate): Likewise.
372 2005-12-17 Danny Berlin <dberlin@dberlin.org>
373 Kenneth Zadeck <zadeck@naturalbridge.com>
375 * basic-block.h: Changed basic block numbering so that the entry
376 block is 0 and the exit block is 1. Changed insn iterators so
377 that they are tolerant of blocks with no insns.
378 * regrename.c (copyprop_hardreg_forward): Changed basic block
379 numbering so that the entry block is 0 and the exit block is 1.
380 * sched-ebb.c (sehedule_ebbs): Ditto.
381 * tracer.c (branch_ratio_cutoff): Ditto.
382 * cfgloopmanip.c (fix_loop_structure): Ditto.
383 * cfghooks.c (verify_flow_info): Ditto.
384 * cfg.c (compact_blocks): Ditto.
385 * reorg.c (dbr_schedule): Ditto.
386 * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
387 * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
388 calculate_dominance_info): Ditto.
389 * cfganal.c (create_edge_list, print_edge_list,
390 flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
391 flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
392 dfs_enumerate_from): Ditto.
393 * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
394 * ifcvt.c (find_if_case_2): Ditto.
395 * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
396 find_basic_blocks): Ditto.
397 * predict.c (predict_loops, tree_bb_level_predictions,
398 predict_paths_leading_to, propagate_freq): Ditto.
399 * lcm.c (compute_antinout_edge, compute_laterin,
400 compute_available): Ditto.
401 * function.c (thread_prologue_and_epilogue_insns): Ditto.
402 * gcse.c (gcse_main, bypass_jumps): Ditto.
403 * profile.c (compute_branch_probabilities,
404 compute_value_histograms, branch_prob): Ditto.
405 * tree-flow-inline.h (bsi_start, bsi_after_labels,
407 * tree-ssa-phiopt.c (tree_ssa_phiopt,
408 blocks_in_phiopt_order): Ditto.
409 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
410 compute_out, link_btr_uses, migrate_btr_defs): Ditto.
411 * tree-dfa.c (collect_dfa_stats): Ditto.
412 * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
413 * cfglayout.c (fixup_reorder_chain): Ditto.
414 * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
415 partition_hot_cold_basic_blocks): Ditto.
416 * var-tracking.c (vt_find_locations): Ditto.
417 * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
418 * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
419 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
420 label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
421 * tree-ssa-reassoc.c (init_reassoc): Ditto.
422 * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
423 rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
424 * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
425 and removed unused reverse orders.
427 * combine.c: Fix document typo.
429 2005-12-17 Jan Hubicka <jh@suse.cz>
431 * tree-flow-inline.h (set_default_def, default_def): Kill.
432 * tree-dfa.c (default_defs): New global variable.
433 (default_def, set_default_def): New functions.
434 * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
435 * tree-flow.h (struct var_ann_d): Kill default_def field.
436 (set_default_def, default_def): Update prototype.
437 (default_defs): Declare.
439 2005-12-16 Jeff Law <law@redhat.com>
441 * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
442 (simplify_rhs_and_lookup_avail_expr): Kill. Remnants moved
443 into tree-ssa-forwprop.c.
444 (eliminate_redundant_computations): Do not call
445 simplify_rhs_and_lookup_avail_expr anymore.
446 * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
447 extracted from remnants of simplify_rhs_and_lookup_avail_expr.
448 (tree_ssa_forward_propagate_single_use_vars): Call
449 simplify_not_neg_expr appropriately.
451 2005-12-16 Bernd Trog <berndtrog@yahoo.com>
454 * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
456 2005-12-17 Kazu Hirata <kazu@codesourcery.com>
458 PR rtl-optimization/25456
459 * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
460 info->x_start with p->x_start.
462 2005-12-17 Alan Modra <amodra@bigpond.net.au>
464 * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
465 introduced 2005-12-16.
467 2005-12-16 Steven Bosscher <stevenb@suse.de>
469 PR rtl-optimization/23837
470 * optabs.c (expand_binop): For a multi-word rotate, never emit
471 a REG_NO_CONFLICT block.
473 2005-12-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
476 * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
479 * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
482 2005-12-16 Steven Bosscher <stevenb@suse.de>
484 * loop-invariant.c (move_loop_invariants): Add missing hunk from
485 the previous patch, to nullify df.
487 2005-12-16 Steven Bosscher <stevenb@suse.de>
489 * reorg.c (mostly_true_jump): Clean up code depending on
490 LABEL_OUTSIDE_LOOP_P and loop notes. Remove code doing
491 poor man's branch prediction, instead rely on REG_BR_PROB
492 notes to be available.
494 2005-12-16 Jakub Jelinek <jakub@redhat.com>
496 PR rtl-optimization/24899
497 * loop.c (strength_reduce): Don't reduce giv that is not always
498 computable and where add_val or mult_val can trap.
500 * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
502 2005-12-16 Nathan Sidwell <nathan@codesourcery.com>
504 * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
505 names of ms1-16-002 files.
507 2005-12-16 Alan Modra <amodra@bigpond.net.au>
510 * gcc.c (for_each_path): New function.
511 (add_to_obstack, file_at_path): New functions.
512 (struct file_at_path_info, struct add_to_obstack_info): New.
513 (build_search_list): Rewrite using for_each_path. Constify struct
514 path_prefix pointer. Add do_multi param. Adjust all callers.
515 (find_a_file): Similarly, but just change existing param to bool.
516 (putenv_from_prefixes): Add do_multi param, make "paths" const.
517 (do_spec_path): Delete.
518 (struct spec_path_info): New.
519 (spec_path): New function.
520 (do_spec_1): Use for_each_path for %D and %I.
521 (find_file): Adjust for find_a_file changes.
522 (main): Search multilibs for specs. Print multilib lib path for
523 -print-search-dirs. Likewise add multilibs to LIBRARY_PATH_ENV.
524 (read_specs): Search multilibs for %include and %include_noerr.
525 (is_directory): Remove second string param. Change last param
526 to a bool. Don't use concat. Remove SMALL_ARG_MAX test, always
527 check path is a dir. Update all callers.
528 * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
529 * system.h (SMALL_ARG_MAX): Poison.
530 * config.gcc: Don't define SMALL_ARG_MAX.
531 * config.host: Likewise.
532 * config.build: Likewise.
534 2005-12-16 Paolo Bonzini <bonzini@gnu.org>
536 * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
537 FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
538 ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
539 simplify_logical): Move simplifications that do not require
540 additional infrastructure...
541 * simplify-rtx.c (simplify_unary_operation_1,
542 simplify_binary_operation_1): ... here.
544 2005-12-16 Andreas Krebbel <krebbel1@de.ibm.com>
547 * flow.c (mark_used_dest_regs): New function.
548 (mark_used_regs): Call mark_used_dest_regs.
550 2005-12-16 Jeff Law <law@redhat.com>
552 * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
553 represent a use and definition of the same SSA_NAME.
555 2005-12-16 Jon Grimm <jgrimm2@us.ibm.com>
556 Janis Johnson <janis187@us.ibm.com>
557 Ben Elliston <bje@au.ibm.com>
559 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
560 (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
561 * target.h (struct gcc_target): Add decimal_float_supported_p.
562 * targhooks.c (default_scalar_mode_supported_p): Handle
564 * builtins.def: Add new builtins for 32, 64 and 128 bit variants
565 of inf, nan, finite, isinf and isnan.
566 * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
567 BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
568 BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
569 BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
570 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
571 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
572 BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
573 * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
574 Pedwarn if decimal floating point types are used. Error if
575 decimal floating point is not supported by the target.
576 (finish_declspecs): Return type from DFP typespec_word.
577 * c-typeck.c (c_common_type): Choose the decimal floating point
578 type with the greater precision when determining a common type.
579 (convert_arguments): Warn if there is a mismatch between argument
580 and prototype for decimal float types. Warn of conversions with
581 binary float types and of precision narrowing due to prototype.
582 * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
583 (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
584 (c_token_starts_declspecs): Likewise.
585 (c_parser_attributes): Likewise.
586 * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
587 RID_DFLOAT64, RID_DFLOAT128.
588 (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
589 * c-common.c (c_common_type_for_mode): Handle decimal float modes.
590 (shorten_compare): Convert DFP/BFP operands to a common type.
591 (c_common_modes_and_builtins): Register built-in decimal float
592 types if the target supports them.
593 (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
594 * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
595 inf, nan, finite, isinf and isnan builtins.
596 * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
597 (builtin_define_float_constants): Assert non-decimal radix.
598 (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
599 Call builtin_define_decimal_float_constants for each type.
600 * c-lex.c (interpret_float): Decode decimal float types from CPP_N
601 flags. Use real_from_string3, which can handle binary or decimal
603 * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
604 cts_dfloat64, cts_dfloat128.
605 * tree.c (build_common_tree_nodes_2): Add decimal float types.
606 * tree.h (enum tree_index): Add new enumeration values
607 TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
608 TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
609 (dfloat32_type_node): New macro.
610 (dfloat64_type_node, dfloat128_type_node): Likewise.
611 (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
612 (dfloat128_ptr_type_node): Likewise.
613 * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
614 bit decimal floating point types with "df", "dd" and "dl".
615 * c-format.h (enum format_lengths): Add new enumeration values
616 FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
617 * c-format.c (printf_length_specs, scanf_length_specs): Add
618 entries for H, D, DD.
619 (print_char_table, scan_char_table): Use new entries.
620 (asm_fprintf_char_table, gcc_diag_char_table,
621 gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
623 * defaults.h (DECIMAL32_TYPE_SIZE): Define.
624 (DECIMAL64_TYPE_SIZE): Likewise.
625 (DECIMAL128_TYPE_SIZE): Likewise.
626 (TARGET_DEC_EVAL_METHOD): Likewise.
627 * doc/extend.texi (Decimal Float): New node.
628 (Constructing Calls): Document decimal float built-ins.
629 * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
630 * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
631 * ginclude/decfloat.h: New file.
633 2005-12-16 Alan Modra <amodra@bigpond.net.au>
635 * reload.c (find_reloads): Fix comment typo.
636 * recog.h (recog_memoized): Correct comment.
638 2005-12-16 Kazu Hirata <kazu@codesourcery.com>
640 * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
641 config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
642 reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
643 tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
644 * doc/invoke.texi, doc/tm.texi: Fix typos.
646 2005-12-16 Ben Elliston <bje@au.ibm.com>
648 * real.c (decimal_quad_format): Correct values for emin, emax.
650 2005-12-15 DJ Delorie <dj@redhat.com>
652 * config/m32c/predicates.md (m32c_psi_scale): New.
653 * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
654 * config/m32c/muldiv.md (mulpsi3): Support negative constants.
656 2005-12-16 Jan Hubicka <jh@suse.cz>
658 PR rtl-optimization/25224
659 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
662 2005-12-15 Zdenek Dvorak <dvorakz@suse.cz>
663 Steven Bosscher <stevenb@suse.de>
665 * loop-invariant.c (df): New global variable.
666 (find_defs, check_dependencies, find_invariant_insn, record_uses,
667 find_invariants_bb, find_invariants_body, find_invariants,
668 find_invariants_to_move, move_invariants, free_inv_motion_data,
669 move_single_loop_invariants, move_loop_invariants): Do not pass df in
672 2005-12-15 Jakub Jelinek <jakub@redhat.com>
674 * varasm.c (default_unique_section_1): Use special section
675 names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
677 2005-12-16 Ben Elliston <bje@au.ibm.com>
679 * doc/invoke.texi (Warning Options): Document -Walways-true being
682 2005-12-15 Joseph S. Myers <joseph@codesourcery.com>
685 * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
686 * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
687 __floatunditf): Use #error if type sizes don't match requirements
689 (__floatdisf, __floatdidf): Unify. Possibly use XFmode or TFmode
690 as wider floating-point type. Use #error if type sizes don't
691 match requirements of implementation. Avoid overflow in computing
692 Wtype_MAXp1_F * Wtype_MAXp1_F. When special casing conversion,
693 shift one more bit. Cast 1 to DWtype or UDWtype for shifting.
694 (__floatundisf, __floatundidf): Likewise.
695 * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
696 * config/ia64/ia64.c (ia64_init_libfuncs): Use
697 _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
698 TFmode-TImode conversions.
699 * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
701 2005-12-14 Craig Rodrigues <rodrigc@gcc.gnu.org>
703 * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
704 Use builtin_define_with_int_value() instead of
705 adding a new check for every new major FreeBSD version.
707 2005-12-14 Andrew Pinski <pinskia@physics.uc.edu>
709 * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
711 2005-12-15 Richard Sandiford <richard@codesourcery.com>
713 * config/arm/predicates.md (call_memory_operand): New.
714 * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
716 2005-12-15 Andrew Haley <aph@redhat.com>
718 * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
719 against prev_cache_entry == NULL when moving a cache entry to the
722 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
724 * config/mt/mt.c (mt_override_options): Require lower case
725 architectures. Revert accidental default to ms2.
726 * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
727 ENDFILE_SPEC): Require lower case architectures. Revert default
730 * doc/invoke.texi (MT Options): Rename and update.
731 * doc/md.texi (MorphoTech family): Rename and update.
733 2005-12-15 Olivier Hainque <hainque@adacore.com>
735 * stor-layout.c (layout_type): Don't complain about a too small
736 an array element type size compared to its alignment when the
739 2005-12-15 Jan Hubicka <jh@suse.cz>
742 * i386.c (classify_argument): Properly adjust offset of bitfield for
745 2005-12-15 Richard Sandiford <richard@codesourcery.com>
747 * final.c (final_scan_insn): Flip in_cold_section_p when changing
748 between the hot and cold sections. Use current_function_section
749 to get the new section.
750 * dwarf2out.c (output_line_info): Use in_cold_section_p to
751 determine whether we are assembling hot or cold code.
752 (secname_for_decl, dwarf2out_var_location): Likewise.
753 (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
754 * varasm.c (last_text_section): Delete.
755 (in_cold_section_p): New variable.
756 (hot_function_section): New function.
757 (current_function_section): Pass in_cold_section_p as the
758 reloc argument to select_section. Use it to decide between
759 unlikely_function_section and hot_function_section.
760 (assemble_start_function): Use switch_to_section. Set
761 in_cold_section_p instead of last_text_section.
762 (assemble_end_function): Use switch_to_section.
763 (switch_to_section): Don't set last_text_section.
764 * config/darwin/darwin.c (machopic_select_section): Trust the reloc
765 argument to make the right choice between hot and cold sections.
767 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
769 Second part of MS1->MT renaming
770 * config/mt/mt.md (doloop_end): Call mt_add_loop.
771 (movqi, movhi): Call mt_set_memflags.
772 (*movdf_internal): Call mt_split_words.
773 (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
775 (cmpsi): Store to mt_compare_op[01].
776 (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
777 bungt, bunle, bunlt): Call mt_emit_cbranch.
778 (prologue): Call mt_expand_prologue.
779 (epilogu): Call mt_expend_epilogue.
780 (eh_return): Call mt_expand_eh_return.
781 (eh_epilogue): Call me_emit_eh_epilogue.
782 (conditional_trap): Store to mt_compare_op[01].
783 * config/mt/crti.asm: Adjust comment.
784 * config/mt/crtn.asm: Adjust comment.
785 * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
786 (mt_compare_op0, mt_compare_op1): Renamed.
787 (current_frame_info, zero_frame_info): Adjust type.
788 (mt_ucmpsi3_libcall): Renamed.
789 (mt_flag_delayed_branch): Renamed.
790 (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
791 (mt_nops_required, mt_nop_reasons): Renamed.
792 (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
793 mt_debug_stack, mt_print_operand_simple_address,
794 mt_print_operand_address, mt_print_operand): Renamed, adjusted.
795 (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
796 mt_function_arg_advance, mt_arg_partial_bytes,
797 mt_pass_by_reference, mt_function_arg_boundary,
798 mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
799 mt_legitimate_address_p): Renamed, adjusted.
801 (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
802 mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
803 mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p,
804 mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
805 mt_expand_eh_return, mt_emit_eh_prologue,
806 mt_handl_interrupt_attribute): Renamed, adjusted.
807 (mt_attribute_table): Renamed, adjusted.
808 (mt_initial_elimination_offset, mt_generate_compare,
809 mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
810 mt_secondary_reload_class, mt_function_value, mt_split_words,
811 mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
812 mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
813 (mt_labels): Renamed.
814 (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
815 mt_machine_reorg): Renamed, adjusted.
816 (mt_attribute_table: Renamed.
817 (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
818 TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
819 TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
820 * config/mt/mt.opt (march): Set mt_cpu_string.
821 * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
822 (TARGET_CPU_CPP_BUILTINS): Adjust.
823 (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
825 (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
826 (MT_MIN_INT): Renamed.
827 (RETURN_ADDR_RTX): Adjust.
828 (struct mt_frame_info): Renamed.
829 (current_frame_info): Adjust type.
830 (INITIAL_ELIMINATION_OFFSET): Adjust.
831 (MT_NUM_ARG_REGS): Renamed.
832 (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
833 FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
834 LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
835 GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
836 FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
837 (mt_compare_op0, mt_compare_op1): Renamed.
838 * config/mt/mt-protos.h: Rename prototypes.
840 2005-12-15 Richard Guenther <rguenther@suse.de>
842 * tree-flow.h (okay_component_ref_for_subvars): Remove.
843 (get_ref_base_and_extent): Declare.
844 * tree-dfa.c (okay_component_ref_for_subvars): Remove.
845 (get_ref_base_and_extent): New function.
846 * tree-ssa-alias.c (find_used_portions): Use it.
847 * tree-ssa-structalias.c (get_constraint_for_component_ref):
849 * tree-ssa-operands.c (get_expr_operands): Likewise.
851 2005-12-15 Paolo Bonzini <bonzini@gnu.org>
853 * combine.c: Remove force_to_mode's fourth parameter.
854 (force_to_mode): Do not handle REG.
855 (canon_reg_for_combine): New.
856 (make_field_assignment): Use it where the removed argument was non-NULL.
858 2005-12-15 Alan Modra <amodra@bigpond.net.au>
861 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
862 error_mark_node. Make alignment params unsigned.
863 * config/rs6000/rs6000-protos.h
864 (rs6000_special_round_type_align): Update prototype.
865 (rs6000_machopic_legitimize_pic_address): Remove arg names.
867 2005-12-14 Ulrich Weigand <uweigand@de.ibm.com>
869 PR rtl-optimization/25310
870 * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
871 of the eliminable register when substituting into a PLUS.
873 2005-12-14 Jakub Jelinek <jakub@redhat.com>
876 * config/i386/i386.c (ix86_force_to_memory): Always use
877 SImode push for HImode in -m32.
878 (ix86_free_from_memory): Likewise.
880 2005-12-14 Richard Sandiford <richard@codesourcery.com>
882 * gcc/config/arm/arm.md: Provide a big-endian version of the
883 (zero_extend:SI (subreg:QI ...)) splitter.
885 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
887 * struct-equiv.c (note_local_live): Handle hard regs with different
890 2005-12-14 Jeff Law <law@redhat.com>
892 * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
893 to a structure containing state rather than a pointer to bool.
894 (case ARRAY_REF): New code to handle folding some array references.
895 (case ADDR_EXPR): Note when we are processing expressions found
896 within an ADDRE_EXPR.
897 (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
898 for state variables rather than just a pointer to a boolean.
899 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
900 handling of constant string references.
902 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
904 * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
905 ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
906 ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
907 Move other tst* patterns to retain partial order.
909 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
911 * config/s390/s390.md ("d0", "1"): New mode attributes.
912 ("<shift>di3", "<shift>si3"): Merge.
913 ("*<shift>di3_and", "*<shift>si3_and"): Merge.
914 ("ashrdi3", "ashrsi3"): Merge.
915 ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
916 ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
917 ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
918 ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
919 ("*ashrdi3", "*ashrsi3"): Merge.
920 ("*ashrdi3_and", "*ashrsi3_and"): Merge.
922 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
924 * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
925 ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
926 ("*extendqidi2", "*extendqisi2") Merge.
927 ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
928 ("zero_extendhidi2", "zero_extendqidi2"): Merge.
929 ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
930 Move some patterns to retain partial ordering.
932 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
934 * config/s390/s390.md ("atype", "length"): Rewrite.
935 ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
937 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
939 * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
941 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
943 * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
944 PARALLELs with a mode.
946 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
948 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
951 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
953 * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
955 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
959 * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
962 * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
964 2005-12-14 Jakub Jelinek <jakub@redhat.com>
968 * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
969 DECL_P, call get_section rather than get_named_section. Supply
972 2005-12-14 Ben Elliston <bje@au.ibm.com>
974 * c-common.c (c_common_truthvalue_conversion): Generalise warning
975 for addresses converted to booleans; not just function addresses.
976 * c-typeck.c (build_binary_op): Warn for address comparisons which
977 can never be NULL (eg. func == NULL or &var == NULL).
978 * common.opt (Walways-true): New option.
979 * c-opts.c (c_common_handle_option): Set it with -Wall.
980 * doc/invoke.texi: Document it.
982 2005-12-13 Paul Brook <paul@codesourcery.com>
984 * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
985 __floatunsidf, __floatunsisf, __floatunsixf): New functions.
987 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
989 * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
990 (EXTRA_MULTILIB_PARTS): Define.
992 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
994 PR rtl-optimization/20070 / part1
995 * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
996 count_or_remove_death_notes with kill == -1.
997 (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
998 registers if PROP_POST_REGSTACK is set.
999 (mark_used_reg): Likewise.
1000 (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
1001 REG_UNUSED notes for stack regs.
1002 * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
1003 to match rtx_equiv_p machinery. Change caller.
1004 (outgoing_edges_match): Likewise.
1005 (try_crossjump_to_edge): Use struct_equiv_block_eq
1006 instead of flow_find_cross_jump.
1007 * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
1008 (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
1009 (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
1010 (STRUCT_EQUIV_MAX_LOCAL): Likewise.
1011 (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
1012 (insns_match_p): Update prototype.
1013 (flow_find_cross_jump): Remove prototype.
1014 (struct_equiv_block_eq, struct_equiv_init): Declare.
1015 (rtx_equiv_p, condjump_equiv_p): Likewise.
1016 * struct-equiv.c: Include reload.h.
1017 (IMPOSSIBLE_MOVE_FACTOR): Define.
1018 (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
1019 (struct_equiv_improve_checkpoint): Likewise.
1020 (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
1021 (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
1022 (struct_equiv_merge, find_dying_input): Likewise.
1023 (resolve_input_conflict, note_local_live): Likewise.
1024 (death_notes_match_p): Change parameters and processing
1025 to match rtx_equiv_p machinery. Change caller.
1026 (insns_match_p): Likewise.
1027 (flow_find_cross_jump): Replace with:
1028 (struct_equiv_block_eq).
1030 Back out this change:
1031 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
1032 * recog.c (verify_changes): Make it static.
1033 * recog.h: Remove the corresponding prototype.
1035 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
1037 * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
1040 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
1042 * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
1043 (MULTILIB_DIRNAMES): Add ms2. Prefix ms1 dirs with 'ms1'.
1044 * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
1045 TARGET_MS1_64_001 appropriately.
1046 (ms1_machine_reorg): Use TARGET_MS2.
1048 2005-12-13 Jakub Jelinek <jakub@redhat.com>
1052 * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
1053 and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
1054 Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
1055 * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
1056 Set mode to SI, adjust constraints.
1057 (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
1058 * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
1061 2005-12-13 Carlos O'Donell <carlos@codesourcery.com>
1063 * c-cppbuiltin.c (builtin_define_float_constants): Add
1064 fp_cast parameter, pass to builtin_define_with_hex_fp_value.
1065 Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
1066 (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
1067 (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
1068 to "((double)%sL)" otherwise "%s".
1070 2005-12-13 Paul Brook <paul@codesourcery.com>
1072 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
1075 2005-12-11 Rafael vila de Espndola <rafael.espindola@gmail.com>
1077 * tree-flow.h: Allow compilation with a C++ compiler.
1078 (struct edge_prediction): Prefix all field names with "ep_".
1079 * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
1080 (tree_predict_edge, combine_predictions_for_bb): Likewise.
1081 (remove_predictions_associated_with_edge): Likewise.
1083 2005-12-12 Jeff Law <law@redhat.com>
1085 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1087 * passes.c (init_optimization_passes): Run reassociation again
1088 after loop optimizations.
1090 2005-12-12 Daniel Berlin <dberlin@dberlin.org>
1092 * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
1094 (optimize_stmt): Ditto.
1095 (canonicalize_comparison): New function.
1096 * tree-ssa-operands.c (swap_tree_operands): Make external.
1097 (get_expr_operands): Stop auto-canonicalization.
1098 * tree-ssa-reassoc.c: Rewrite.
1099 (init_optimization_passes):
1100 * tree-flow.h (swap_tree_operands): Prototype.
1101 * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
1103 2005-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1105 * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
1106 indicate function epilogue has been output.
1107 (pa_asm_output_mi_thunk): Likewise.
1108 (output_deferred_plabels): Put plabels in readonly data section when
1109 not generating PIC code.
1110 (som_output_text_section_asm_op): Use .NSUBSPA to output debug
1111 information. Add assert.
1112 (som_output_comdat_data_section_asm_op): New function.
1113 (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
1114 instead of output_section_asm_op for COMDAT sections.
1116 2005-12-12 J"orn Rennecke <joern.rennecke@st.com>
1118 * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
1119 Fix whitespace in vincinity of to-be-installed changes.
1120 * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
1121 (insns_match_p): Likewise.
1123 2005-12-12 Nathan Sidwell <nathan@codesourcery.com>
1125 * config.gcc (ms1): Replace with ...
1127 * config/ms1: Rename to ...
1128 * config/mt: ... here. Rename ms1 files to mt.
1129 * config/mt/mt.c: Adjust gt-mt.h #include.
1130 * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
1131 (crti.o, crtn.o): Adjust file names.
1133 2005-12-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1135 * varray.h: Allow compilation with a C++ compiler.
1136 (union varray_data_tag): Prefix all field names with "vdt_".
1137 (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
1138 VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
1139 VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
1140 VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
1141 VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
1142 VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
1143 (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
1144 VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT,
1145 VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT,
1146 VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR,
1147 VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR,
1148 VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE,
1149 VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB,
1150 VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
1151 (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT,
1152 VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT,
1153 VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT,
1154 VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR,
1155 VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX,
1156 VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP,
1157 VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE,
1158 VARRAY_TOP_TREE_PTR): Likewise.
1159 * varray.c (varray_grow): Likewise.
1160 (varray_clear): Likewise.
1162 2005-12-12 Alan Modra <amodra@bigpond.net.au>
1165 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
1166 alignment to doubleword if the first field is a double array.
1167 * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
1169 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1171 * tree-ssa-structalias.c (process_constraint): Remove code to
1172 transform addressofs into scalar.
1173 (create_variable_info_for): In whole-program IPA, globals don't
1174 point to ANYTHING by default.
1176 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1178 * timevar.def (TV_IPA_PTA): New.
1179 * tree-pass.h (pass_ipa_pta): New
1180 * tree-ssa-structalias.c: Include cgraph.h
1182 (predbitmap_obstack): New.
1183 (EXECUTE_IF_IN_NONNULL_BITMAP): New.
1184 (struct constraint_stats): Add num_edges.
1185 (new_var_info): Don't call bitmap_clear.
1186 (struct constraint_edge): Update docs.
1187 (new_constraint_edge): Remove src param.
1188 (struct constraint_graph): Add zero_weight_succs,
1189 zero_weight_preds. Update docs.
1190 (constraint_expr_equal): Reformat.
1191 (constraint_edge_equal): Update for removal of src.
1192 (constraint_edge_less): Ditto.
1193 (constraint_edge_vec_find): Ditto.
1194 (erase_graph_self_edge): Update for removal of src and and zero
1196 (clear_edges_for_node): Ditto.
1197 (add_graph_edge): Ditto.
1198 (get_graph_weights): Ditto.
1199 (allocate_graph_weights): Ditto.
1200 (merge_graph_nodes): Ditto.
1201 (int_add_graph_edge): Ditto.
1202 (valid_graph_edge): Ditto.
1203 (valid_weighted_graph_edge): Ditto.
1204 (build_constraint_graph): Ditto.
1206 (collapse_nodes): Ditto.
1207 (process_unification_queue): Ditto.
1208 (topo_visit): Ditto.
1209 (solve_graph): Ditto.
1210 (do_structure_copy): Ditto.
1211 (perform_var_substitution): Ditto.
1212 Init and release obstack.
1213 (handle_ptr_arith): Try to resolve directly.
1214 (find_func_aliases): Don't call update_alias_info here
1215 Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
1216 (do_sd_constraint): Add code for propagating faster.
1218 (do_ds_constraint): Ditto.
1219 (count_num_arguments): New function.
1220 (create_function_info_for): Ditto.
1221 (create_variable_info_for): Handle FUNCTION_DECL.
1222 (intra_create_variable_infos): Use make_constraint_to_anything.
1223 (init_alias_vars): Init obstacks here.
1224 (need_to_solve): Handle zero weight graph changes.
1225 (compute_points_to_sets): Call update_alias_info here.
1226 (delete_points_to_sets): Free zero weight preds/succs here.
1227 (gate_ipa_pta): New.
1228 (ipa_pta_execute): New
1230 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1232 * tree-ssa-structalias.c (var_anyoffset): Removed.
1233 (anyoffset_tree): Ditto.
1234 (anyoffset_id): Ditto.
1235 (do_deref): Take vector of constraints, no return value.
1236 Update to work on vector.
1237 (get_constraint_for): Ditto.
1238 (get_constraint_for_component_ref): Ditto.
1239 (do_structure_copy): Ditto.
1240 (handle_ptr_arith): Ditto.
1241 (find_func_aliases): Ditto.
1242 (set_uids_in_ptset): Remove anyoffset handling.
1243 (init_base_vars): Ditto.
1245 2005-12-10 Mark Mitchell <mark@codesourcery.com>
1248 * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
1249 DECL_EXTERNAL functions have no bodies. Tidy.
1251 2005-12-10 Andreas Schwab <schwab@suse.de>
1253 * except.c (switch_to_exception_section): Only define if
1254 TARGET_UNWIND_INFO is not defined.
1256 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1258 * config/darwin.h (HAS_INIT_SECTION): Remove definition.
1259 (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
1261 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1263 * output.h (init_section, fini_section): Delete.
1264 * varasm.c (init_section, fini_section): Delete.
1265 (init_varasm_once): Don't initialize them.
1266 * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
1267 there are no corresponding varasm.c variables.
1269 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1271 * dwarf2out.c (default_eh_frame_section): Delete, moving handling
1272 of EH_FRAME_SECTION_NAME into...
1273 (switch_to_eh_frame_section): ...here. Try to set eh_frame_section
1274 if it is still null.
1275 * except.c (default_exception_section): Delete, moving most
1277 (switch_to_exception_section): ...this new function. Set
1278 exception_section if it is still null, then switch to it.
1279 (output_function_exception_table): Use switch_to_exception_section.
1280 * varasm.c (exception_section, eh_frame_section): Update comments.
1281 (get_section): Hoist use of SECTION_NAMED.
1282 (init_varasm_once): Don't set exception_section and eh_frame_section.
1283 * output.h (default_exception_section): Delete.
1284 (default_eh_frame_section): Delete.
1286 2005-12-09 Bernd Schmidt <bernd.schmidt@analog.com>
1288 * config/bfin/bfin.c: Include "cgraph.h".
1289 (bfin_load_pic_reg): Omit loading pic reg if in a local function.
1290 Return the reg that holds the pointer to the GOT.
1291 (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
1292 doing stack checking.
1294 2005-12-09 Diego Novillo <dnovillo@redhat.com>
1296 * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
1297 recompute_tree_invarant_for_addr_expr.
1298 Update uses everywhere.
1300 2005-12-09 Aldy Hernandez <aldyh@redhat.com>
1302 * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
1303 (MULTILIB_DIRNAMES): Define.
1305 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
1308 * config/s390/s390.c (struct s390_address): New field literal_pool.
1309 (s390_decompose_address): Compute literal_pool field. Do not
1310 assume register %r13 is always (and solely) used as pool base.
1311 (s390_extra_constraint_str): Use literal_pool field.
1313 2005-12-09 Thiemo Seufer <ths@networkno.de>
1315 * config/mips/mips.c (override_options): Don't allow too small
1316 integers in FP registers.
1318 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
1320 * config/s390/s390.c (s390_function_ok_for_sibcall): Use
1321 targetm.binds_local_p to check for local function calls.
1323 2005-12-09 Alan Modra <amodra@bigpond.net.au>
1326 * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1327 call_used_regs can't be used to save reg in another reg.
1329 2005-12-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1330 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1332 * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1334 * except.c (output_ttype): Likewise.
1335 * tree-object-size.c (collect_object_sizes_for): Likewise.
1336 (check_for_plus_in_loops_1): Likewise.
1337 (check_for_plus_in_loops): Likewise.
1338 (compute_object_sizes): Use gcc_unreachable instead of abort.
1340 2005-12-08 Nathan Sidwell <nathan@codesourcery.com>
1342 * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1343 (loop_end, loop_init, doloop_end): New insns.
1344 * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1345 (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1346 (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1347 (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1348 * config/ms1/ms1.c: #include basic-block.h
1349 (struct machine_function): Add has_loops field.
1350 (ms1_add_loop): New.
1351 (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1352 (struct loop_info, struct loop_work): New.
1353 (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1354 (ms1_reorg_loops): New loop optimization.
1355 (ms1_machine_reorg): Call it.
1356 * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1358 2005-12-08 Zdenek Dvorak <dvorakz@suse.cz>
1360 PR tree-optimization/25248
1361 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1362 evolution_of_loop from the failed attempt. Remove handling
1365 2005-12-08 Gabriel Dos Reis <gdr@integrable-solutions.net>
1367 * tree.h (DECL_EXTERNAL): Clarify documentation.
1369 2005-12-08 Andreas Krebbel <krebbel1@de.ibm.com>
1370 Jakub Jelinek <jakub@redhat.com>
1373 * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1374 argument. Don't drop outer ANDs.
1375 (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1376 * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1378 * config/s390/predicates.md (setmem_operand): Remove.
1379 (shift_count_operand): Rename to...
1380 (shift_count_or_setmem_operand): ... this. Adjust
1381 s390_decompose_shift_count caller.
1382 * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1383 ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1384 ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1385 <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1386 rotl<mode>3_and, setmem_long_and): New insns.
1387 (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1388 ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1389 <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1390 <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1391 of shift_count_operand.
1392 (setmem_long): Use shift_count_or_setmem_operand instead of
1395 2005-12-08 Daniel Jacobowitz <dan@codesourcery.com>
1396 Andreas Tobler <a.tobler@schweiz.ch>
1398 * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1401 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1403 * expr.c (force_operand): Use convert_to_mode for conversions.
1405 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1407 * reload.h (reg_equiv_invariant): Declare.
1408 * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1409 register also when reg_equiv_invariant[R] is set.
1411 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1412 Andreas Tobler <a.tobler@schweiz.ch>
1414 * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1416 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
1418 * tree-ssa-pre.c (bitmap_set_and): New function.
1419 (bitmap_set_and_compl): New function.
1420 (bitmap_set_empty_p): New function.
1421 (insert_extra_phis): New function.
1422 (compute_avail): Use insert_extra_phis.
1424 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
1426 * config/s390/s390.c (s390_expand_atomic): New function.
1427 Adjust comment of helper functions.
1428 * config/s390/s390-protos.h (s390_expand_atomic): Declare.
1429 * config/s390/s390.md ("ATOMIC"): New code macro.
1430 ("atomic"): Corresponding new code attribute.
1431 ("sync_lock_test_and_set[hq]i",
1432 "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1434 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
1436 * config/s390/s390.c (s390_expand_mask_and_shift,
1437 struct alignment_context, init_alignment_context,
1438 s390_expand_cs_hqi): New.
1439 * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1440 * config/s390/s390.md ("sync_compare_and_swaphi",
1441 "sync_compare_and_swapqi"): New pattern.
1443 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
1445 Fix PR tree-optimization/25291
1446 * tree-ssa-operands.c (add_call_clobber_ops): Remove
1447 redundant and crashing check.
1449 2005-12-08 Alan Modra <amodra@bigpond.net.au>
1452 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1453 tests further when !strict && reload_in_progress.
1454 (print_operand): Check that both operands of indexed address are regs.
1455 (print_operand_address): Likewise.
1456 * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1457 (INT_REG_OK_FOR_BASE_P): Correct.
1459 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1461 Preparation for PR rtl-optimization/20070 / part1
1462 * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1463 * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1464 outgoing_edges_match.
1465 (outgoing_edges_match): Use condjump_equiv_p.
1466 (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1468 * struct-equiv.c: New file.
1469 (death_notes_match_p) New function, broken out of insns_match_p.
1470 * Makefile.in (OBJS-common): Add struct-equiv.o.
1471 (struct-equiv.o): New target.
1473 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1475 * coretypes.h: Revert previous change.
1476 * config/darwin.h: Revert previous reversion.
1477 * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1479 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1481 * coretypes.h (section): Provide dummy definition for target files.
1482 * config/darwin.h: Revert previous change.
1484 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1486 * doc/sourcebuild.texi (all.build, install-normal): Remove.
1487 * configure.ac: Remove all.build and install-normal from target_list
1488 * configure: Regenerate.
1489 * Makefile.in (install): Don't depend on install-normal.
1491 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1493 * Makefile.in: Document the use of stamps.
1495 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1497 * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1498 * Makefile.in: Add code to compute some dependencies on s-gtype
1499 automatically. Remove the declaration of those dependencies.
1501 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1503 * gcc/reload.c (push_secondary_reload): Fix typo:
1504 s/insn_constraint/scratch_constraint/.
1506 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1508 * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1510 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1512 * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1513 (alpha_elf_select_rtx_section): Return the selected section rather
1514 than emitting assembly code.
1515 (alpha_write_linkage): Emit a ".link" directive directly and then
1516 set in_section to NULL.
1517 (vms_asm_out_constructor): Use switch_to_section.
1518 (vms_asm_out_destructor): Likewise.
1519 (unicosmk_output_common): Set in_section to NULL instead of calling
1520 the dummy common_section function.
1521 (unicosmk_text_section): Delete in favor of...
1522 (unicosmk_output_text_section_asm_op): ...this new function.
1523 (unicosmk_data_section): Delete in favor of...
1524 (unicosmk_output_data_section_asm_op): ...this new function.
1525 (unicosmk_init_sections): New function.
1526 (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1527 (unicosmk_output_ssib): Set in_section to NULL instead of calling
1528 the dummy ssib_section function.
1529 (unicosmk_section_buf): Delete.
1530 * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1531 (unicosmk_data_section): Delete.
1532 * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1533 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1534 (SECTION_FUNCTION_TEMPLATE): Delete.
1535 * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1536 (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1537 (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1538 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1539 (TARGET_ASM_INIT_SECTIONS): Define.
1540 * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1541 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1542 (link_section, literals_section): Delete.
1543 (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1544 set in_section to NULL.
1546 * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1547 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1548 (COMMON_SECTION): Delete.
1549 (TARGET_ASM_INIT_SECTIONS): Define.
1550 (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1551 the dummy common_section function.
1552 * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1553 * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1554 between readonly_data_section and text_section to check whether
1555 read-only data is being put in the text section.
1556 (arm_output_function_epilogue): Use switch_to_section.
1557 (arm_elf_asm_constructor): Likewise.
1558 (thumb_call_via_reg): Replace call to in_text_section with
1559 a comparison between in_section and text_section.
1560 (arm_file_end): Use switch_to_section.
1561 (aof_text_section): Delete in favor of...
1562 (aof_output_text_section_asm_op): ...this new function.
1563 (aof_data_section): Delete in favor of...
1564 (aof_output_data_section_asm_op): ...this new function.
1565 (aof_asm_init_sections): New function.
1566 (zero_init_section): Moved from config/arm/aof.h.
1567 (aof_dump_imports, aof_file_start): Use switch_to_section.
1568 * config/arm/arm.h (thumb_call_via_label): Update comment.
1569 * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1570 (common_section): Delete.
1571 * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1572 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1573 global switch_to_section function instead of the old port-local one.
1574 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1575 (SWITCH_TO_SECTION_FUNCTION): Delete.
1576 (drectve_section): Redefine as a macro.
1577 * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1578 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1581 * config/avr/avr.c (progmem_section): New variable.
1582 (avr_output_progmem_section_asm_op): New function.
1583 (avr_asm_init_sections): New function.
1584 (avr_output_addr_vec_elt): Use switch_to_section.
1585 * config/avr/avr.h (progmem_section): Declare.
1586 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1587 (READONLY_DATA_SECTION): Delete.
1588 (TARGET_ASM_INIT_SECTIONS): Define.
1589 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1590 * config/avr/avr-protos.h (progmem_section): Delete.
1592 * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1594 * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1595 (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1597 * config/darwin-sections.def: New file.
1598 * config/darwin.c: Define all sections in darwin-sections.def.
1599 (output_objc_section_asm_op, darwin_init_sections): New functions.
1600 (machopic_output_indirection): Use switch_to_section.
1601 (machopic_select_section): Return the selected section rather than
1602 emitting assembly code. Replace the static function table with
1603 inline conditional expressions. Update the tests of last_text_section
1604 and move them into the FUNCTION_DECL block.
1605 (machopic_select_rtx_section): Return the selected section rather than
1606 emitting assembly code.
1607 (machopic_asm_out_constructor, machopic_asm_out_destructor)
1608 (darwin_file_end): Use switch_to_section.
1609 * config/darwin.h: Use darwin-sections.def to declare sections.
1610 (INIT_SECTION_ASM_OP): Remove empty definition.
1611 (HAS_INIT_SECTION): Define this instead.
1612 (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1613 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1614 (TARGET_ASM_EH_FRAME_SECTION): Delete.
1615 (TARGET_ASM_INIT_SECTIONS): Define.
1616 * config/darwin-protos.h (darwin_init_sections): Declare.
1617 (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1618 (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1619 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1620 (constructor_section, destructor_section, mod_init_section): Delete.
1621 (mod_term_section): Delete.
1622 (darwin_exception_section, darwin_eh_frame_section): Delete.
1623 (machopic_select_section): Return a section.
1624 (machopic_select_rtx_section): Likewise.
1625 (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1626 (const_section, const_coal_section, const_data_section): Delete.
1627 (const_data_coal_section, data_coal_section, cstring_section): Delete.
1628 (literal4_section, literal8_section, constructor_section): Delete.
1629 (mod_init_section, mod_term_section, destructor_section): Delete.
1630 (objc_class_section, objc_meta_class_section, objc_category_section)
1631 (objc_class_vars_section, objc_instance_vars_section): Delete.
1632 (objc_cls_meth_section, objc_inst_meth_section): Delete.
1633 (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1634 (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1635 (objc_symbols_section, objc_module_info_section): Delete.
1636 (objc_image_info_section, objc_protocol_section): Delete.
1637 (objc_string_object_section, objc_constant_string_object_section)
1638 (objc_class_names_section, objc_meth_var_names_section): Delete.
1639 (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1640 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1641 (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1642 (darwin_exception_section, darwin_eh_frame_section): Delete.
1643 * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1645 * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1646 (frv_asm_out_destructor): Likewise.
1647 * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1648 (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1649 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1651 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1652 * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1653 (data_section): Delete.
1655 * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1656 (DRECTVE_SECTION_FUNCTION): Delete.
1657 (drectve_section): Redefine as a macro that sets in_section after
1658 emitting the directive.
1659 (SWITCH_TO_SECTION_FUNCTION): Delete.
1660 * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1661 in_text_section with comparison between in_section and text_section.
1662 * config/i386/i386.c (x86_64_elf_select_section): Return the section
1663 rather than emitting assembly code. Use get_named_section.
1664 (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1666 (machopic_output_stub): Use switch_to_section.
1667 * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1668 (nwld_named_section_asm_out_destructor): Use get_section and
1671 * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1672 rather than emitting assembly code.
1673 (ia64_rwreloc_select_section): Likewise.
1674 (ia64_rwreloc_select_rtx_section): Likewise.
1675 * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1676 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1678 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1679 (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1681 * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1682 section rather than emitting assembly code.
1683 (iq2000_select_section): Likewise.
1684 * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1685 (sbss_section): Delete.
1687 * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1688 and get_named_section.
1689 * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1691 * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1692 (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1693 (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1694 (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1696 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1697 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1698 global switch_to_section function instead of the old port-local one.
1699 * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1700 (SWITCH_SECTION_FUNCTION): Delete.
1701 * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1702 (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1703 (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1704 (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1706 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1707 global switch_to_section function instead of the old port-local one.
1708 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1710 * config/mips/mips.c (mips_file_start): Update comment.
1711 (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1712 (mips_output_aligned_decl_common): Use switch_to_section.
1713 (mips_select_rtx_section): Return the section rather than emitting
1714 assembly code. Use get_named_section.
1715 (mips_function_rodata_section: Likewise get_section.
1716 (build_mips16_function_stub): Use switch_to_section.
1717 * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1718 (SDATA_SECTION_ASM_OP): Delete.
1719 * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1720 (EXTRA_SECTION_FUNCTIONS): Delete.
1722 * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1723 (mmix_asm_output_aligned_local): Use switch_to_section.
1725 * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1726 (som_one_only_readonly_data_section): New variables.
1727 (pa_output_function_epilogue): Set in_section to NULL instead of
1728 calling forget_section.
1729 (output_deferred_plabels): Use select_section.
1730 (pa_asm_output_mi_thunk): Likewise. Set in_section to NULL instead
1731 of calling forget_section.
1732 (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1733 (pa_asm_output_aligned_local): Use select_section.
1734 (som_text_section_asm_op): Delete in favor of...
1735 (som_output_text_section_asm_op): ...this new function.
1736 (pa_som_asm_init_sections): New function.
1737 (pa_select_section): Return the section rather than emitting
1739 * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1740 (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1741 (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1742 (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1743 * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1744 (som_readonly_data_section, som_one_only_readonly_data_section)
1745 (som_one_only_data_section, forget_section): Delete.
1746 * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1747 (TARGET_ASM_INIT_SECTIONS): Define.
1748 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1750 * config/rs6000/rs6000.c (read_only_data_section): New variable.
1751 (private_data_section, read_only_private_data_section): New variables.
1752 (sdata2_section, toc_section): New variables.
1753 (rs6000_file_start): Use switch_to_section.
1754 (rs6000_assemble_integer): Use comparisons against in_section
1755 instead of calling in_toc_section and in_text_section. Use
1756 unlikely_text_section_p.
1757 (rs6000_elf_output_toc_section_asm_op): New function, derived
1758 from the old rs6000/sysv4.h toc_section function.
1759 (rs6000_elf_asm_init_sections): New function.
1760 (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1761 the section rather than emitting assembly code.
1762 (machopic_output_stub): Use switch_to_section.
1763 (toc_section): Delete dummy function.
1764 (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1765 switch_to_section and get_section.
1766 (rs6000_xcoff_output_readonly_section_asm_op): New function.
1767 (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1768 (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1769 the old rs6000/xcoff.h toc_section function.
1770 (rs6000_xcoff_asm_init_sections): New function.
1771 (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1772 the section rather than emitting assembly code.
1773 (rs6000_xcoff_file_start): Use switch_to_section.
1774 (rs6000_xcoff_file_end): Likewise.
1775 * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1776 (sdata2_section, sbss_section, private_data_section): Delete.
1777 (read_only_data_section, read_only_private_data_section): Delete.
1778 * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1779 (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1780 (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1781 (FINI_SECTION_FUNCTION): Delete.
1782 (TARGET_ASM_INIT_SECTIONS): Define.
1783 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1784 * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1785 (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1786 (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1787 (READONLY_DATA_SECTION): Delete.
1788 (TARGET_ASM_INIT_SECTIONS): Define.
1789 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. Set in_section
1790 to NULL rather than no_section.
1791 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1793 * config/sh/sh.c (sh_file_start): Use switch_to_section.
1795 * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1796 (sparc_output_deferred_case_vectors): Likewise. Remove argument
1797 from call to current_function_section.
1799 * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1800 (bss100_section): New variable.
1801 (xstormy16_asm_output_aligned_common): Use switch_to_section.
1802 (xstormy16_asm_init_sections): New function.
1803 (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1804 switch_to_section and get_section.
1805 (xstormy16_output_addr_vec): Use switch_to_section. Remove argument
1806 from calls to current_function_section.
1807 * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1808 (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1809 (TARGET_ASM_INIT_SECTIONS): Define.
1810 * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1812 * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1813 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1814 (FINI_SECTION_FUNCTION): Delete.
1816 * config/v850/v850.c: Include gt-v850.h.
1817 (rosdata_section, rozdata_section, tdata_section, zdata_section)
1818 (zbss_section): New variables.
1819 (v850_output_aligned_bss): Use switch_to_section.
1820 (v850_asm_init_sections): New function.
1821 (v850_select_section): Return the section rather than emitting
1823 * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1824 (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1825 (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1826 (TARGET_ASM_INIT_SECTIONS): Define.
1827 * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1828 (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1829 (zbss_section): Delete.
1831 * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1833 * config/vx-common.h (vxworks_exception_section): Delete.
1834 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1836 * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1837 section rather than emitting assembly code.
1838 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1841 * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1842 * coretypes.h (section): New union and typedef.
1843 * dbxout.c (FORCE_TEXT): Use switch_to_section. Remove argument
1844 from call to current_function_section.
1845 (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1846 (dbxout_symbol_location): Use switch_to_section.
1847 * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1848 most of the code into...
1849 (default_eh_frame_section): ...here. Return a section.
1850 (collect2_eh_frame_section): Delete, moving most of the code into..
1851 (switch_to_eh_frame_section): ...this new function.
1852 (debug_info_section, debug_abbrev_section, debug_aranges_section)
1853 (debug_macinfo_section, debug_line_section, debug_loc_section)
1854 (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1856 (output_call_frame_info): Call switch_to_eh_frame_section instead of
1857 eh_frame_section. Use switch_to_section and get_section.
1858 (dwarf2out_begin_prologue): Use switch_to_section.
1859 (AT_string_form): Check the flags in debug_str_section instead of
1860 DEBUG_STR_SECTION_FLAGS.
1861 (output_comp_unit): Use switch_to_section, get_section, and
1863 (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1864 (dwarf2out_begin_block): Use switch_to_section. Remove argument
1865 from call to current_function_section.
1866 (dwarf2out_var_location): Use unlikely_text_section_p.
1867 (dwarf2out_source_line): Use switch_to_section. Remove argument
1868 from call to current_function_section.
1869 (dwarf2out_start_source_file, dwarf2out_end_source_file)
1870 (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1871 debug_macinfo_section.
1872 (dwarf2out_init): Initialize the new section variables. Use them
1873 instead of calls to named_section_flags. Use switch_to_section.
1874 (output_indirect_string): Use switch_to_section and debug_str_section.
1875 (dwarf2out_finish): Use switch_to_section and the new section
1877 * except.c (default_exception_section): Return the section instead
1878 of emitting assembly code.
1879 (output_function_exception_table): Use the global exception_section
1880 variable instead of the target hook. Use switch_to_section. Remove
1881 argument from call to current_function_section.
1882 * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1883 (shorten_branches): Use pointer comparisons to detect whether the
1884 text section is the same as readonly_data_section.
1885 (profile_function): Use switch_to_section. Remove argument from
1886 call to current_function_section.
1887 (final_scan_insn): Likewise. Update use of last_text_section.
1888 * gengtype.c (open_base_files): Add an include of output.h.
1889 * output.h (text_section, data_section, readonly_data_section)
1890 (ctors_section, dtors_section, bss_section, init_section)
1891 (fini_section, sdata_section): Turn into section pointers.
1892 (in_text_section, in_unlikely_text_section, exports_section)
1893 (drectve_section, named_section, mergeable_string_section)
1894 (last_text_section_name): Delete.
1895 (default_exception_section, default_eh_frame_section): Return sections.
1896 (SECTION_DECLARED, SECTION_NAMED): New macros.
1897 (SECTION_MACH_DEP): Bump value.
1898 (section_common, named_section, unnamed_section): New structures.
1899 (unnamed_section_callback): New typedef.
1900 (section): New union.
1901 (sbss_section, exception_section, eh_frame_section): New variables.
1902 (in_section, last_text_section): Turn into section pointers.
1903 (get_unnamed_section, get_section, get_named_section): New functions.
1904 (mergeable_constant_section, function_section): Return a section.
1905 (unlikely_text_section): Likewise.
1906 (current_function_section): Likewise. Remove the decl argument.
1907 (unlikely_text_section_p, switch_to_section): New functions.
1908 (output_section_asm_op): New function.
1909 (set_named_section_flags, named_section_flags, named_section_real)
1910 (named_section_first_declaration): Delete.
1911 (default_select_section, default_elf_select_section): Return a section.
1912 (default_elf_select_section_1, default_function_rodata_section)
1913 (default_no_function_rodata_section, default_select_rtx_section)
1914 (default_elf_select_rtx_section): Likewise.
1915 * rtl.h (in_data_section): Delete.
1916 * sdbout.c (sdbout_one_type): Use switch_to_section.
1917 * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1918 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1919 (TARGET_ASM_EH_FRAME_SECTION): Poison.
1920 * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1921 (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1922 (TARGET_ASM_OUT): Update after above changes.
1923 * target.h (init_sections): New hook.
1924 (exception_section, eh_frame_section): Delete.
1925 (select_section, select_rtx_section, function_rodata_section): Return
1926 a section rather than emitting assembly code.
1927 * varasm.c (text_section, data_section, readonly_data_section)
1928 (ctors_section, dtors_section, bss_section, init_section)
1929 (fini_section): Turn into section pointers.
1930 (sdata_section, sbss_section, exception_section): New variables.
1931 (eh_frame_section): New variable.
1932 (in_section): Make global and turn into a section pointer.
1933 (last_text_section): Turn into a section pointer.
1934 (unnamed_sections): New variable.
1935 (in_named_name, last_text_section_name): Delete.
1936 (EXTRA_SECTION_FUNCTIONS): Delete.
1937 (in_named_entry): Delete.
1938 (section_htab): New variable, replacing...
1939 (in_named_htab): ...this deleted variable.
1940 (section_entry_eq, section_entry_hash): New functions, based on...
1941 (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1942 (get_unnamed_section, get_section): New functions.
1943 (unlikely_text_section): Return a section instead of emitting
1945 (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1946 (get_named_section_flags, named_section_first_declaration): Delete.
1947 (unlikely_text_section_p): New function.
1948 (named_section_real, named_section): Delete.
1949 (get_named_section): New function.
1950 (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1951 (function_section): Return a section rather than emitting
1953 (current_function_section): Likewise. Remove argument. Use
1954 last_text_section if nonnull, otherwise use function_section.
1955 (default_function_rodata_section): Return a section rather than
1956 emitting assembly code. Use get_section.
1957 (default_no_function_rodata_section): Return a section rather than
1958 emitting assembly code.
1959 (variable_section): Use switch_to_section and get_named_section.
1960 (mergeable_string_section): Return a section rather than emitting
1961 assembly code. Use get_section. Make static. Don't take special
1962 countermeasures for empty strings.
1963 (mergeable_constant_section): Return a section rather than emitting
1964 assembly code. Use get_section.
1965 (default_named_section_asm_out_destructor): Use switch_to_section
1967 (default_dtor_section_asm_out_destructor): Use switch_to_section.
1968 (default_named_section_asm_out_constructor): Use switch_to_section
1970 (default_ctor_section_asm_out_constructor): Use switch_to_section.
1971 (assemble_start_function): Likewise. Set last_text_section to
1972 NULL rather than no_section. Change the type of save_section.
1973 (assemble_zeros, assemble_variable): Use the section flags to detect
1974 whether or not a section is text.
1975 (assemble_static_space): Use switch_to_section.
1976 (assemble_trampoline_template): Likewise.
1977 (output_constant_def_contents): Use switch_to_section and
1979 (output_constant_pool_1): Use switch_to_section. Use the section
1980 flags to see whether sections contain mergeable data.
1981 (init_varasm_once): Initialize section_htab instead of in_named_htab.
1982 Initialize new section variables. Call TARGET_ASM_INIT_SECTIONS.
1983 (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1984 whether a section has already been declared.
1985 (default_select_section, default_elf_select_section): Return a
1986 section rather than emitting assembly code.
1987 (default_elf_select_section_1): Likewise. Use bss_section for
1988 SECCAT_BSS if nonnull. Use get_named_section.
1989 (default_select_rtx_section): Return a section rather than
1990 emitting assembly code.
1991 (default_elf_select_rtx_section): Likewise. Use get_named_section.
1992 (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1993 (output_section_asm_op, switch_to_section): New functions.
1994 * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1997 * doc/tm.texi: Expand the introduction to the sections documentation.
1998 (TRAMPOLINE_SECTION): Document new interface.
1999 (SDATA_SECTION_ASM_OP): Document new macro.
2000 (READONLY_DATA_SECTION): Delete.
2001 (SDATA_SECTION_ASM_OP): Document new macro.
2002 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2003 (TARGET_ASM_INIT_SECTIONS): Document new hook.
2004 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
2005 (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
2006 (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
2008 2005-12-07 Alan Modra <amodra@bigpond.net.au>
2010 * gcc.c (init_gcc_specs): Match braces inside conditionally
2013 2005-12-06 Geoffrey Keating <geoffk@apple.com>
2015 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
2017 2005-12-06 Aldy Hernandez <aldyh@redhat.com>
2020 * tree.c (integer_all_onesp): Always return true if all bits on.
2022 * testsuite/g++.dg/init/array0.C: New.
2024 2005-12-06 Adrian Straetling <straetling@de.ibm.com>
2026 * doc/md.texi: Adapt to implementation.
2028 2005-12-06 Andreas Schwab <schwab@suse.de>
2030 * opts.c (decode_options): Fix typo in message.
2032 2005-12-06 Alan Modra <amodra@bigpond.net.au>
2035 * longlong.h: Merge PPC tests from upstream.
2037 2005-12-06 Richard Guenther <rguenther@suse.de>
2039 * fold-const.c (fold_convert): Do not build and fold
2040 CONVERT_EXPR, but always use NOP_EXPR.
2042 2005-12-06 Jan Beulich <jbeulich@novell.com>
2044 * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
2045 __builtin_ia32_paddq and __builtin_ia32_subq.
2046 (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
2047 __builtin_ia32_pshufw.
2048 * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
2050 2005-12-05 James E Wilson <wilson@specifix.com>
2053 * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
2056 2005-12-05 Daniel Berlin <dberlin@dberlin.org>
2058 * print-tree.c (print_node): Ditto.
2059 * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
2060 * tree-dump.c (dequeue_and_dump): Check for decl_common structure
2061 before accessing DECL_ARTIFICIAL.
2062 Handle new tag tree codes.
2063 * tree-flow-inline.h (clear_call_clobbered): Update for tag
2065 (unmodifiable_var_p): Ditto.
2066 * tree-flow.h (mem_tag_kind): Remove.
2067 (struct var_ann_d): Remove mem_tag_kind member.
2068 * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
2069 * tree-pretty-print.c (dump_generic_node): Handle memory tags.
2070 * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
2071 (group_aliases): Ditto.
2072 (setup_pointers_and_addressables): Ditto.
2073 (is_escape_site): Ditto.
2074 (may_alias_p): Ditto.
2075 (create_tag_raw): New function.
2076 (create_memory_tag): Use it.
2077 (dump_alias_info): Update for tags.
2078 (may_be_aliased): Ditto.
2079 (add_type_alias): Ditto.
2080 (new_type_alias): Ditto.
2081 (create_sft): Ditto.
2082 (create_structure_vars): Ditto.
2083 * tree-ssa-ccp.c (get_default_value): Ditto.
2084 * tree-ssa-operands.c (get_expr_operands): Ditto.
2085 (add_stmt_operand): Ditto.
2086 (add_call_clobber_ops): Remove duplicated condition.
2087 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2089 * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
2090 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2091 * tree.c (init_ttree): Update structures for new tree codes.
2092 (tree_code_size): Update sizes for new tree codes.
2093 (make_node_stat): Don't try to set common things on minimal
2095 (tree_node_structure): Update for tags.
2096 (is_global_var): Ditto.
2097 * tree.def: Add new tree codes.
2098 * tree.h (MTAG_P): New macro.
2099 (TREE_MEMORY_TAG_CHECK): Ditto.
2100 (SSA_VAR_P): Update for tags.
2101 (struct tree_memory_tag): New structure.
2102 (MTAG_GLOBAL): New macro.
2103 (union tree_node): Add memory tag member.
2104 * treestruct.def (TS_MEMORY_TAG): New.
2106 2005-12-05 Dale Johannesen <dalej@apple.com>
2108 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match
2109 what was approved (PR 24323).
2111 2005-12-05 Gabriel Dos Reis <gdr@integrable-solutions.net>
2113 * doc/c-tree.texi (Function Bodies): Remove description of
2116 2005-12-05 Joseph S. Myers <joseph@codesourcery.com>
2118 * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
2119 __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
2120 __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
2121 __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
2122 __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
2123 __divxc3): Document.
2125 2005-12-05 Geoffrey Keating <geoffk@apple.com>
2127 * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
2129 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
2130 hook_bool_void_false.
2131 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2132 * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
2134 * config/darwin.c (machopic_select_section): It's not defined
2135 as weak if it's only marked as weak_import.
2137 * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
2140 * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
2141 A hidden weak object does bind locally. Strong linkonce data
2142 counts like any other strong symbol for binding.
2143 (weak_finish_1): Don't specially handle weakrefs, they no longer
2145 (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
2146 * c-common.c (handle_alias_attribute): Allow static aliases
2148 (handle_weakref_attribute): Don't call declare_weak on weakrefs.
2149 * gthr-dce.h: Make weakrefs static.
2150 * gthr-tpf.h: Likewise.
2151 * gthr-solaris.h: Likewise.
2152 * gthr-posix.h: Likewise.
2153 * gthr-posix95.h: Likewise.
2154 * config/darwin.c (darwin_encode_section_info): static weakref
2155 variables are not necessarily defined in this translation unit.
2156 * doc/extend.texi (Function Attributes): Mention that an alias
2157 attribute creates a definition for the thing it's attached to.
2158 Change the documentation for weakref to say that the thing
2159 it's attached to must be static.
2161 * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
2162 we don't go into an infinite loop.
2164 2005-12-05 Paolo Bonzini <bonzini@gnu.org>
2166 * config/rs6000/predicates.md (logical_const_operand): Split
2167 out of logical_operand.
2168 (logical_operand): Use it.
2169 * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
2170 logical_const_operand.
2172 2005-12-05 Jan Beulich <jbeulich@novell.com>
2174 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
2175 and IX86_BUILTIN_CMPNESS.
2176 (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
2177 * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
2178 * config/i386/i386.md (movti_internal): Correct type attribute.
2179 Simplify mode attribute.
2180 (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
2181 Correct type attribute.
2182 (absxf2): Correct operator.
2183 * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
2184 movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
2185 * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
2187 (sse2_vmsqrtv2df2): Correct mode attribute.
2189 2005-12-05 Jan Beulich <jbeulich@novell.com>
2191 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
2192 16 bits. Provide insn pattern for this case.
2194 2005-12-05 Jan Beulich <jbeulich@novell.com>
2196 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
2198 (__popcountDI2): Likewise.
2200 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2203 * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
2204 _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
2205 * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
2208 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
2210 * c-typeck.c (null_pointer_constant_p): New function.
2211 (build_conditional_expr, build_c_cast, convert_for_assignment,
2212 build_binary_op): Use it.
2214 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
2216 * c-common.c (binary_op_error): Do not allow NOP_EXPR.
2217 (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
2219 (check_function_arguments_recurse): Allow both NOP_EXPR and
2220 CONVERT_EXPR but check conversions preserve precision.
2221 * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
2222 but check conversions preserve precision.
2223 (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in
2226 2005-12-04 Roger Sayle <roger@eyesopen.com>
2229 * common.opt (Wstring-literal-comparison): New command line option.
2230 * c-opts.c (c_common_handle_option): Set it with -Wall.
2231 * c-typeck.c (parser_build_binary_op): Issue warning if either
2232 operand of a comparison operator is a string literal, except for
2233 testing equality or inequality against NULL.
2235 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
2237 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
2239 * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
2240 of building a NOP_EXPR.
2241 (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as
2243 * c-convert.c (convert): Use fold_convert instead of building
2244 NOP_EXPRs and CONVERT_EXPRs directly. Don't special case
2245 c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove
2247 * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
2248 NOP_EXPR the same as CONVERT_EXPR.
2249 * c-typeck.c (build_function_call): Use fold_convert instead of
2250 building a NOP_EXPR directly.
2251 (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
2253 2005-12-03 Alan Modra <amodra@bigpond.net.au>
2255 PR rtl-optimization/25197
2256 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
2259 2005-12-02 Stuart Hastings <stuart@apple.com>
2261 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
2264 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
2266 * c-typeck.c (default_function_array_conversion,
2267 build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
2268 (build_conditional_expr): Apply integer_zerop to orig_op1 and
2269 orig_op2. Don't check them for NOP_EXPR.
2270 (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
2271 around integer zero.
2273 2005-12-03 Alan Modra <amodra@bigpond.net.au>
2275 * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
2276 toc_save_offset, toc_size, lr_size.
2277 (rs6000_stack_info): Use memset rather than bss struct copy to init.
2278 Test rs6000_ra_ever_killed last in condition setting lr_save_p.
2279 Adjust for removal of unused rs6000_stack_t fields.
2280 (debug_stack_info): Adjust.
2281 (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls
2282 first, and don't bother checking for set/inc of lr on sibcalls.
2283 (rs6000_emit_epilogue): Tidy code restoring stack pointer.
2285 2005-12-02 Jakub Jelinek <jakub@redhat.com>
2288 * config/i386/i386.md (movqi_1): Only force imovx for alternative
2289 5 if operand 1 is not aligned. Undo previous constraint change.
2290 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
2292 2005-12-02 Richard Guenther <rguenther@suse.de>
2294 * tree.h (build): Remove prototype.
2295 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
2296 * tree.c (build): Remove.
2297 (build0_stat): Update comment.
2299 2005-12-02 Richard Guenther <rguenther@suse.de>
2301 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
2302 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
2304 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
2305 maybe_fold_offset_to_component_ref): Likewise.
2306 * tree-ssa-dom.c (thread_across_edge,
2307 simplify_rhs_and_lookup_avail_expr,
2308 find_equivalent_equality_comparison, record_equivalences_from_stmt):
2310 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
2311 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
2312 lower_try_finally_switch): Likewise.
2313 * tree-if-conv.c (add_to_dst_predicate_list,
2314 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2315 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2316 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2317 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2318 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2319 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2320 gimplify_init_ctor_eval, gimplify_init_constructor,
2321 gimplify_variable_sized_compare, gimplify_boolean_expr,
2322 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2323 gimplify_expr, gimplify_body, gimplify_function_tree,
2324 force_gimple_operand): Likewise.
2325 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2326 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2327 mx_register_decls): Likewise.
2328 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2329 get_frame_field, finalize_nesting_tree_1): Likewise.
2330 * tree-inline.c (setup_one_parameter): Likewise.
2331 * tree-vect-transform.c (vectorizable_condition): Likewise.
2332 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2334 * tree-profile.c (tree_gen_edge_profiler): Likewise.
2335 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2336 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2337 * tree-chrec.h (build_polynomial_chrec): Likewise.
2339 2005-12-02 Richard Guenther <rguenther@suse.de>
2341 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2342 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2343 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2344 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2345 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2346 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2347 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2349 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2350 sh_adjust_unroll_max): Likewise.
2351 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2352 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2353 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2355 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2357 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2360 2005-12-02 Richard Guenther <rguenther@suse.de>
2362 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2363 simplify_cond_using_ranges): Use buildN instead of build.
2364 * tree-tailcall.c (adjust_accumulator_values,
2365 adjust_return_value): Likewise.
2366 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
2367 generate_element_copy, generate_element_zero,
2368 generate_one_element_init): Likewise.
2369 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2370 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2371 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2372 perfect_nestify): Likewise.
2374 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2376 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
2378 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
2380 * ggc.h (GGC_RESIZEVEC): New.
2382 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2384 * gcc.c (execute): Improve readability.
2386 2005-12-02 Richard Guenther <rguenther@suse.de>
2388 * tree-cfg.c (mark_used_vars): New function.
2389 (dump_function_to_file): Dump only used VAR_DECLs.
2391 2005-12-02 Richard Guenther <rguenther@suse.de>
2393 * convert.c (convert_to_integer): Fix compare for nonpositive
2394 constant to use tree_int_cst_sgn <= 0.
2396 2005-12-02 Richard Guenther <rguenther@suse.de>
2398 * convert.c (convert_to_integer): Use fold_convert instead
2399 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
2400 instead of comparing against 0. Use build_int_cst instead
2401 of converting integer_zero_node.
2403 2005-12-02 Richard Guenther <rguenther@suse.de>
2405 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2408 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2411 * combine.c (simplify_logical <IOR>): Simplify more patterns to
2414 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2417 * function.c (expand_function_end): Emit blockage for unwinder
2420 2005-12-01 Roger Sayle <roger@eyesopen.com>
2422 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2423 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2424 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2425 integer constant comparisons.
2427 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
2428 Janis Johnson <janis187@us.ibm.com>
2429 David Edelsohn <dje@watson.ibm.com>
2430 Ben Elliston <bje@au.ibm.com>
2432 * dfp.h, dfp.c: New files.
2433 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2434 (DECNUM_H): Likewise.
2435 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2436 (INCLUDES): Append $(DECNUMINC).
2437 (OBJS-common): Add dfp.o.
2439 * real.h (EXP_BITS): Pinch one bit to ..
2440 (struct real_value): Add decimal field.
2441 (real_format): Change table size, update documentation.
2442 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
2443 (real_from_string3): Declare.
2444 (decimal_single_format): Declare.
2445 (decimal_double_format): Declare.
2446 (decimal_quad_format): Declare.
2447 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
2448 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
2449 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
2450 * real.c: Include dfp.h.
2451 (normalize): Early return for decimal floats.
2452 (do_add): Zero decimal field.
2453 (do_compare): Call do_decimal_compare for decimal floats.
2454 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2455 (real_arithmetic): Call decimal_real_arithmetic for decimal
2456 floating point operands.
2457 (real_identical): If a and b are of differing radix, return false.
2458 (real_to_integer): Call decimal_real_to_integer if the value is a
2460 (real_to_integer2): Likewise, call decimal_real_to_integer2.
2461 (real_to_decimal): Likewise, call decimal_real_to_decimal.
2462 (real_to_hexadecimal): Place "N/A" in the return string for
2464 (real_from_string3): New variant, given a mode.
2465 (real_maxval): Use decimal_real_maxval for decimal floats.
2466 (round_for_format): Use decimal_round_for_format for decimals.
2467 (real_convert): Use decimal_real_convert where appropriate.
2468 (significand_size): Handle base 10.
2469 (encode_decimal_single, decode_decimal_single,
2470 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2471 decode_decimal_quad): New functions.
2472 (decimal_single_format): New.
2473 (decimal_double_format): New.
2474 (decimal_quad_format): New.
2475 * machmode.def: Add SD, DD and TD decimal floating point modes.
2476 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2477 Include MODE_DECIMAL_FLOAT.
2478 (DECIMAL_FLOAT_MODE_P): New.
2479 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2480 * genmodes.c (struct mode_data): Add counter field.
2481 (struct mode_data): Update comment for format.
2482 (blank_mode): Initialise counter field.
2483 (new_mode): Increment counter field for each mode defined.
2484 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2486 (make_complex_modes): Handle modes containing `D'.
2487 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2488 (make_decimal_float_mode): New.
2489 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2490 (cmp_modes): Compare counter field if other characteristics
2492 (emit_real_format_for_mode): Support formats for decimal floats.
2493 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2494 Document MODE_DECIMAL_FLOAT.
2496 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2498 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2501 2005-12-01 Richard Henderson <rth@redhat.com>
2503 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2505 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2507 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2509 * config/pa/pa.c (pa_init_builtins): If we detect
2510 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2513 2005-12-01 Richard Guenther <rguenther@suse.de>
2515 * fold-const.c (fold_binary): Use fold_build2, not
2518 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
2520 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2522 * vec.h (VEC_block_remove): New.
2524 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
2527 * c-common.c (lvalue_error): Fix wording.
2529 2005-12-01 Richard Guenther <rguenther@suse.de>
2531 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2532 thinko in last patch.
2534 2005-12-01 Geoffrey Keating <geoffk@apple.com>
2536 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2537 than -flat_namespace.
2539 2005-12-01 Ben Elliston <bje@au.ibm.com>
2541 * mklibgcc.in: Parameterise the script to build soft float
2542 functions by iterating over each type, rather than cloning the
2545 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2548 * builtins.c (fold_builtin_fputs): Defer check for missing
2549 replacement functions.
2551 2005-11-30 Kean Johnston <jkj@sco.com>
2553 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2554 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2556 2005-11-30 Richard Guenther <rguenther@suse.de>
2558 PR tree-optimization/22501
2559 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2560 function split out from ...
2561 (forward_propagate_addr_expr): ... here. Use it to propagate
2562 ADDR_EXPRs to all uses.
2564 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2566 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2567 * builtins.c (expand_builtin_mathfn): Use them.
2568 (expand_builtin_mathfn_2): Likewise.
2569 (expand_builtin_mathfn_3): Likewise.
2570 (expand_builtin_int_roundingfn): Likewise.
2571 (expand_builtin): Likewise.
2572 (integer_valued_real_p): Likewise.
2573 (fold_builtin_int_roundingfn): Likewise.
2574 (fold_builtin_bitop): Likewise.
2575 (fold_builtin_logarithm): Likewise.
2576 (fold_builtin_1): Likewise.
2577 * convert.c (convert_to_integer): Likewise.
2578 * fold-const.c (negate_mathfn_p): Likewise.
2579 (tree_expr_nonnegative_p): Likewise.
2581 2005-11-30 Dale Johannesen <dalej@apple.com>
2582 Andrew Pinski <pinskia@physics.uc.edu>
2584 * combine.c (find_split_point): Sign extend bitmask
2585 when changing bitfield assignment to IOR of AND.
2587 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2589 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2590 clobber to scratch reg.
2591 (*decrement_and_branch_until_zero_no_clobber): Remove.
2592 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2593 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2594 * config/ms1/ms1.opt (mmul): Remove.
2595 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2596 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2598 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2599 Bernd Schmidt <bernd.schmidt@analog.com>
2601 * pa/predicates.md (symbolic_operand): Add comment.
2602 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2603 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2604 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2605 (pa_secondary_reload_class): Delete.
2606 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2607 and pa_secondary_reload_class. Reorder some checks. Update inline
2608 copy of symbolic operand.
2609 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2611 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2613 * loop-doloop.c (add_test): Only add jump notes if we did emit a
2616 2005-11-30 Jeff Law <law@redhat.com>
2618 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2619 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2621 2005-11-30 Jakub Jelinek <jakub@redhat.com>
2623 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2624 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2625 (ia64_expand_move): Adjust caller.
2627 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2628 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2631 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
2633 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2634 Always produce an output if we can remove NEGs or canonicalize
2635 (minus (minus ...)) expressions. Provide a fast path for the
2637 (simplify_gen_binary): Do not call simplify_plus_minus.
2638 (simplify_binary_operation_1): Reassociate at the end of the
2641 2005-11-29 Evan Cheng <evan.cheng@apple.com>
2643 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2644 moves and unpack to speed up.
2646 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
2648 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2649 argument, they are always sparc_compare_op0 and sparc_compare_op1.
2650 (gen_v9_scc): Update callers.
2651 * config/sparc/sparc.md: Likewise.
2652 * config/sparc/sparc-protos.h: Update extern declaration.
2654 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2656 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2658 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2661 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2663 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2664 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2665 (negate_expr): Here.
2667 2005-11-29 Ben Elliston <bje@au.ibm.com>
2669 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2670 Fix typo in comment.
2672 2005-11-29 Ben Elliston <bje@au.ibm.com>
2674 * Makefile.in (clean-target): Depend on clean-target-libgcc.
2675 (clean-target-libgcc): Import rule from the top-level Makefile.in.
2677 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2681 * builtins.c (init_target_chars): New.
2682 (expand_builtin_printf, expand_builtin_fprintf,
2683 expand_builtin_sprintf, fold_builtin_sprintf,
2684 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2685 fold_builtin_snprintf_chk, fold_builtin_printf,
2686 fold_builtin_fprintf): Check for matching format strings using
2689 2005-11-29 Paul Brook <paul@codesourcery.com>
2691 * config.gcc: Do not use fixproto on m68k-elf.
2693 2005-11-28 Roger Sayle <roger@eyesopen.com>
2695 * expmed.c (div_cost): Replace with...
2696 (sdiv_cost, udiv_cost): New.
2697 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2698 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2699 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2700 (expand_divmod): Replace use of div_cost with either sdiv_cost
2701 or udiv_cost depending upon the signedness of the operation.
2703 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2706 * config/darwin.c (machopic_indirection_name,
2707 machopic_output_indirection): Follow transparent alias chain.
2709 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2711 * varasm.c (ultimate_transparent_alias_target): Add comment.
2713 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
2715 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2716 SET_SRC instead of XEXP where appropriate.
2718 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2720 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2723 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2725 * config/fp-bit.h (LSHIFT): Take shift count parameter.
2726 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2729 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
2731 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2732 secondary_input_reload_class, made static. Adapt to new
2734 (secondary_output_reload_class): Delete.
2735 (TARGET_SECONDARY_RELOAD): New macro.
2736 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2737 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2739 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
2742 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
2743 when its natural alignment is > BITS_PER_UNIT.
2744 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2745 * c-common.c (handle_packed_attribute): Ignore packing on a field
2746 whose type is naturally char aligned.
2748 2005-11-28 Richard Guenther <rguenther@suse.de>
2750 * c-common.c (strict_aliasing_warning): Handle all
2751 component-ref like accesses.
2753 2005-11-28 Roger Sayle <roger@eyesopen.com>
2754 Uros Bizjak <uros@kss-loka.si>
2757 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2758 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2759 when flag_unsafe_math_optimizations is set and
2760 we don't care about NaNs or Infinities.
2762 Move x/expN(y) and x/pow(y,z) transformation into common
2763 flag_unsafe_math_optimizations section.
2765 2005-11-27 Mark Mitchell <mark@codesourcery.com>
2767 * gcc.c (main): Change type of argv to "char **".
2769 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2771 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2772 small data sections.
2773 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2774 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2775 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2776 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
2777 output locals to sbss if !rs6000_elf_in_small_data_p.
2778 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2780 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2783 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2784 generated by reload.
2785 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2786 indexed_or_indirect_address.
2787 (indexed_or_indirect_address): Don't test for base reg. Call
2788 address_operand last. Make it a special predicate.
2790 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
2792 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2794 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
2797 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2799 (negate_expr): Likewise.
2801 2005-11-27 Andreas Schwab <schwab@suse.de>
2803 * config/m68k/m68k.c: Reindent and fix whitespace, remove
2806 2005-11-27 Steven Bosscher <stevenb@suse.de>
2808 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2809 has EH predecessor edges.
2811 2005-11-26 Eric Christopher <echristo@apple.com>
2813 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2814 register stalls by zero extending to the full register.
2816 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
2818 * config/floatunsisf.c, config/floatunsidf.c,
2819 config/floatunsixf.c, config/floatunsitf.c: New files.
2820 * config/ia64/t-hpux: Add floatunsitf.c.
2821 * config/ia64/ia64.c (ia64_init_libfuncs): Use
2822 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2824 2005-11-26 Richard Henderson <rth@redhat.com>
2826 * c-lex.c (pragma_lex): Rename from c_lex.
2827 * c-pch.c: Update for pragma_lex rename.
2828 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2829 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2830 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2831 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2832 * doc/tm.texi: Likewise.
2834 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
2837 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2838 when overflow is undefined.
2840 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
2842 * doc/md.texi (Insn Canonicalizations): Refer to the
2843 function commutative_operand_precedence for further rules.
2845 2005-11-25 Roger Sayle <roger@eyesopen.com>
2848 * expmed.c (choose_mult_variant): Return immediately when mult_cost
2849 is less than zero. Limit mult_cost to a reasonable upper bound for
2850 the synthetic multiplication sequence.
2852 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2855 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2856 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2857 Lookup the explicit replacement functions for any unlocked
2858 stdio builtin transformations.
2860 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
2862 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2864 * targhooks.c (default_secondary_reload): Don't require operand 2
2865 for an input reload to be earlyclobber.
2867 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2869 * fold-const.c (negate_mathfn_p): Fix comment and add support
2870 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2873 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2876 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2877 _Q_ulltoq for unsigned conversions from SImode and DImode to
2880 2005-11-25 Alan Modra <amodra@bigpond.net.au>
2882 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2883 (__floatundidf, __floatundisf): Likewise.
2885 2005-11-25 David Edelsohn <edelsohn@gnu.org>
2887 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2888 (rs6000_override_options): Remove initialization of
2889 rs6000_sr_alias_set.
2890 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2891 (rs6000_emit_stack_tie): Same.
2892 (emit_frame_save): Same.
2893 (gen_frame_mem_offset): Same.
2894 (rs6000_emit_prologue): Same.
2895 (rs6000_emit_epilogue): Same.
2897 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2900 * fold-const.c (fold_build): Convert bool_var != 1 and
2901 bool_var == 0 to !bool_var.
2903 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2906 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2907 for C being INTEGER_CST. Likewise for !=.
2909 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2912 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2913 unsigned conversions from SImode to TFmode.
2915 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
2917 * expr.c (expand_expr_real_1): Fix error in last change.
2919 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
2921 * caller-save.c: (this_insn_sets): Move into:
2922 (save_call_clobbered_regs).
2923 (mark_set_regs): Get this_insn_sets from data.
2925 (save_call_clobbered_regs): Take sets of the return value by
2926 sibcalls into account.
2928 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
2931 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2932 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2933 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2934 (memory_move_secondary_cost, init_reg_autoinc): Remove
2935 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2936 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2937 secondary_reload_class call.
2938 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
2940 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2941 (push_secondary_reload): Use secondary_reload target hook.
2942 (secondary_reload_class, scratch_reload_class): New functions.
2943 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2944 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
2945 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2946 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2947 (secondary_reload_class, scratch_reload_class): Declare.
2948 * reload1.c: Include target.h.
2949 (reload_adjust_reg_for_temp): New function.
2950 (reload_adjust_reg_for_icode): Likewise.
2951 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2952 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2954 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
2955 for inheritance. Support case when both secondary & tertiary reloads
2956 are for intermediate registers.
2957 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2958 with secondary_reload_class call. Support case when both secondary
2959 & tertiary reloads are for intermediate registers.
2960 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2961 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2962 * target.h (secondary_reload_info): New struct / typedef.
2963 (struct gcc_target): New member secondary_reload.
2964 * targhooks.c Include reload.h, optabs.h and recog.h.
2965 (default_secondary_reload): New function.
2966 * targhooks.h (default_secondary_reload): Declare.
2967 * doc/tm.texi: Document secondary_reload target hook. Update
2968 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2969 * doc/md.texi: Likewise.
2971 * sh-protos.h (sh_secondary_reload): Declare.
2972 * sh.c (TARGET_SECONDARY_RELOAD): Override.
2973 (sh_secondary_reload): New function.
2974 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2975 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2976 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2977 (HAVE_SECONDARY_RELOADS): Define.
2978 * sh.md (reload_indf): Rename to:
2980 (reload_outdf): Rename to:
2981 (reload_outdf__RnFRm).
2982 (reload_insf): Rename to:
2984 (reload_insi): Rename to:
2985 (reload_insi__i_fpul).
2987 2005-11-24 Uros Bizjak <uros@kss-loka.si>
2989 * configure.ac: Require at least texinfo 4.4.
2990 * configure: Regenerate.
2992 * doc/install.texi (Tools/packages necessary for building GCC):
2993 Update required version of texinfo to at least 4.4.
2994 (Installing GCC: Building): Update required version of texinfo
2996 (Installing GCC: Final installation): Update required version
2997 of texi2dvi to at least 4.4.
2998 (Host/target specific installation notes for GCC): Update required
2999 version of texinfo to at least 4.4.
3001 2005-11-24 Richard Guenther <rguenther@suse.de>
3002 Dirk Mueller <dmueller@suse.de>
3005 * c-common.h (strict_aliasing_warning): Declare.
3006 * c-common.c (strict_aliasing_warning): New function,
3008 * c-typeck.c (build_c_cast): ... here.
3010 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
3012 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3014 (swap_commutative_operands_with_target): New.
3016 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
3018 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
3019 also when doing PRE, rather than only for global CPROP.
3021 2005-11-24 Ben Elliston <bje@au.ibm.com>
3023 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
3024 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
3026 (expand_twoval_unop): Likewise.
3027 (widen_clz): Likewise.
3028 (expand_parity): Likewise.
3029 (expand_unop): Likewise.
3030 (emit_cmp_and_jmp_insn_1): Likewise.
3031 (prepare_float_lib_cmp): Likewise.
3033 2005-11-24 Ben Elliston <bje@au.ibm.com>
3035 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
3036 Remove unused `class' variable.
3038 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
3041 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
3042 C/C++ diagnostic function warn_array_subscript_with_type_char.
3043 * c-common.h (warn_array_subscript_with_type_char): Declare.
3044 * c-common.c (warn_array_subscript_with_type_char): Define.
3046 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
3049 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
3050 compiling at the intersection of C and C++.
3052 2005-11-23 Mark Mitchell <mark@codesourcery.com>
3054 * doc/invoke.texi: For man pages, include gcc-vers.texi.
3055 List @file in the option summary. Include the libiberty
3056 documentation for @file.
3057 * gcc.c (main): Call expandargv.
3058 * Makefile.in (gcc-vers.texi): Define srcdir.
3060 2005-11-23 Diego Novillo <dnovillo@redhat.com>
3062 * passes.c (init_optimization_passes): Document
3063 sequencing of passes.
3065 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
3067 * config/m68k/predicates.md (pcrel_address, extend_operator,
3068 post_inc_operand, pre_dec_operand): Remove redundant
3070 (const_uint32_operand, const_sint32_operand): Use gcc_assert
3072 (valid_dbcc_comparison_p): Rewrite in the lisp style.
3074 2005-11-23 Ben Elliston <bje@au.ibm.com>
3076 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
3078 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
3080 Preparatory work for PR target/21623:
3081 * alpha.c (secondary_reload_class): Rename to:
3082 (alpha_secondary_reload_class).
3083 * alpha.h, alpha-protos.h: Likewise.
3084 * mn10300.c (secondary_reload_class): Rename to:
3085 (mn10300_secondary_reload_class).
3086 * mn10300.h, mn10300-protos.h: Likewise.
3087 * pa.c (secondary_reload_class): Rename to:
3088 (pa_secondary_reload_class).
3089 * pa.h, pa-protos.h: Likewise.
3090 * rs6000.c (secondary_reload_class): Rename to:
3091 rs6000_secondary_reload_class.
3092 * rs6000.h, rs6000-protos.h: Likewise.
3094 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
3097 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
3099 2005-11-22 Ian Lance Taylor <ian@airs.com>
3101 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
3103 (prepare_cmp_insn): Likewise.
3105 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
3108 * m68k.md (zero_extendsidi2): Force operands[1] to a register
3109 if both operands[0] and operands[1] are memory.
3111 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
3114 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
3115 COMPARISON_CLASS_P and an integral types create create a new
3116 expression with the new type and fold that.
3118 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
3121 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
3122 to SUBTARGET_OS_CPP_BUILTINS.
3124 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
3126 * arm.c (emit_set_insn): New function.
3127 (arm_split_constant): Call it.
3128 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
3129 (arm_legitimize_address): Likewise. Use plus_constant.
3130 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
3131 (thumb_expand_prologue): Likewise.
3132 (arm_gen_load_multiple): Use VOIDmode in SET.
3133 (arm_gen_store_multiple): Likewise.
3134 (vfp_emit_fstmx): Likewise. Use plus_constant.
3135 (emit_multi_reg_push): Likewise.
3136 (emit_sfm): Use plus_constant.
3138 2005-11-23 Alan Modra <amodra@bigpond.net.au>
3141 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
3144 2005-11-22 Alan Modra <amodra@bigpond.net.au>
3147 * expmed.c (store_bit_field): Don't attempt to insv a field
3148 larger than the reg.
3150 2005-11-22 Alan Modra <amodra@bigpond.net.au>
3153 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
3154 explicit sign extension, not a (char) cast.
3156 2005-11-22 Ben Elliston <bje@au.ibm.com>
3158 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
3159 GET_MODE_CLASS (x) == MODE_FLOAT.
3160 * config/i386/i386.c: Likewise.
3161 * config/rs6000/xcoff.h: Likewise.
3162 * config/rs6000/linux64.h: Likewise.
3163 * config/rs6000/rs6000.c: Likewise.
3164 * config/rs6000/rs6000.h: Likewise.
3165 * config/rs6000/predicates.md: Likewise.
3166 * config/rs6000/sysv4.h: Likewise.
3168 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3170 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
3173 * config/alpha/freebsd.h, config/alpha/linux.h,
3174 config/arm/linux-elf.h, config/bfin/bfin.h,
3175 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
3176 config/i386/beos-elf.h, config/i386/gnu.h,
3177 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
3178 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
3179 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
3180 config/rs6000/linux64.h, config/rs6000/sysv4.h,
3181 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
3182 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
3183 config/sparc/linux.h, config/sparc/linux64.h,
3184 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
3186 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
3187 are both defined when either flag -fpic or -fPIC are used.
3189 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
3191 * config/fp-bit.c (clzusi): New function.
3192 (si_to_float, usi_to_float): Use it to compute proper shift.
3193 (usi_to_float): Preserve guard bits when shifting right.
3194 * libgcc-std.ver (GCC_4.2.0): New version.
3195 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
3196 __floatundisf): New functions.
3197 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
3198 __floatundisf): Declare.
3199 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
3200 _floatundixf, and _floatunditf.
3201 * optabs.c (expand_float): If target does not define a pattern for
3202 signed or unsigned conversion, use an unsigned libcall instead of
3204 (init_optabs): Initialize ufloat_optab.
3206 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
3208 * config/rs6000/rs6000.opt (mmulhw): New option.
3209 * doc/invoke.texi (-mmulhw): Document.
3210 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
3212 * config/rs6000/rs6000.md: Add half-word multiply and
3213 multiply-accumulate instructions for 405 and 440.
3215 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
3217 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
3218 which matches behavior of gcc 4.0 and older for RTEMS targets. The
3219 default now includes a linker group which makes the RTEMS one nest.
3221 2005-11-22 Ben Elliston <bje@au.ibm.com>
3223 * cse.c (fold_rtx): Typo fix.
3224 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
3226 2005-11-21 Richard Henderson <rth@redhat.com>
3228 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
3229 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
3231 * c-tree.h (lookup_name): Move declaration ...
3232 * c-common.h (lookup_name): ... here.
3233 * config/darwin-c.c: Include c-common.h.
3234 * config/t-darwin: Update dependencies.
3236 2005-11-22 Ben Elliston <bje@au.ibm.com>
3238 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
3239 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
3240 * genopinit.c (gen_insn): Likewise.
3241 * reload.c (find_equiv_reg): Likewise.
3242 * loop.c (load_mems): Likewise.
3243 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
3244 * cse.c (find_comparison_args, fold_rtx): Likewise.
3245 * dwarf2out.c (add_const_value_attribute): Likewise.
3246 * expr.c (convert_move): Likewise.
3247 * recog.c (general_operand, register_operand): Likewise.
3248 * reg-stack.c (replace_reg): Likewise.
3249 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3250 * c-common.c (handle_vector_size_attribute): Likewise.
3251 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
3252 (simplify_binary_operation_1): Likewise.
3253 (simplify_const_binary_operation): Likewise.
3254 (simplify_relational_operation): Likewise.
3255 (simplify_const_relational_operation): Likewise.
3256 (simplify_immed_subreg): Likewise.
3257 * emit-rtl.c (gen_lowpart_common): Likewise.
3258 * expmed.c (expand_mult): Likewise.
3259 * stor-layout.c (layout_type): Likewise.
3261 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
3264 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
3265 cst2 only for SPE vectors.
3267 2005-11-21 David Edelsohn <edelsohn@gnu.org>
3270 * config/rs6000/predicates.md (vrsave_operation): Check
3271 UNSPEC_VOLATILE value.
3273 2005-11-21 Jan Hubicka <jh@suse.cz>
3275 PR tree-optimization/24653
3276 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
3278 2005-11-21 Uros Bizjak <uros@kss-loka.si>
3280 * config/i386/predicates.md (ax_reg_operand): New predicate.
3281 (memory_displacement_only_operand): New predicate.
3282 * config/i386/i386.md ("modrm" attribute): Return 0 if one
3283 operand is AX register and the other operand is memory operand
3284 with displacement only.
3286 2005-11-21 Uros Bizjak <uros@kss-loka.si>
3288 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
3289 if we don't care about NaNs or Infinities.
3291 2005-11-20 Ian Lance Taylor <ian@airs.com>
3293 PR rtl-optimization/24883
3294 * combine.c (combinable_i3pat): When checking whether the
3295 destination of i3 is used in i3, consider paradoxical subregs.
3297 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
3300 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
3302 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
3304 * combine.c (try_combine): Do not run subst on i1src and i2src in
3305 the case of generating a PARALLEL for a comparison.
3307 2005-11-20 Richard Henderson <rth@redhat.com>
3310 * tree-sra.c (struct sra_elt): Add all_no_warning.
3311 (struct sra_walk_fns) <use>: Add use_all argument.
3312 (sra_walk_expr): Pass it.
3313 (sra_walk_modify_expr): Likewise.
3314 (scalarize_ldst): Likewise.
3315 (scan_use): Update for new argument.
3316 (mark_no_warning): New.
3317 (scalarize_use): Use it.
3319 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3321 * expr.c (expand_expr_real): Use usmul_optab for widening
3322 signed * unsigned multiplies.
3323 * genopinit.c (optabs): Add usmul_widen_optab.
3324 * optabs.c (init_optabs): Likewise.
3325 * optabs.h (enum optab_index): Add OTI_usmul_widen.
3326 (usmul_widen_optab): Define.
3327 * config/bfin/bfin.md (usmulhisi3): New pattern.
3329 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3331 2005-11-20 Graham Stott <btinternet.com>
3333 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
3335 2005-11-20 Andreas Schwab <schwab@suse.de>
3338 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3341 2005-11-19 Richard Henderson <rth@redhat.com>
3344 * tree-gimple.c (is_gimple_id): Export.
3345 * tree-gimple.h (is_gimple_id): Declare.
3346 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3347 (get_default_value): Use it.
3348 (maybe_fold_stmt_indirect): Likewise.
3350 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
3352 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3353 than VR1 or vice-versa.
3355 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
3359 * reload.c (find_reloads_address_1): Mention dependency on
3361 * reload1.c (gen_reload): For IN with an unary operation, try
3362 moving inner expression to OUT if trivial SET is not valid.
3363 Confirm that the result is valid. Move common code block into...
3364 (emit_insn_if_valid_for_reload): New function.
3366 2005-11-19 Richard Guenther <rguenther@suse.de>
3368 * fold-const.c (fold_indirect_ref_1): Make sure we fold
3369 ARRAY_REFs of constant strings.
3371 2005-11-19 Jakub Jelinek <jakub@redhat.com>
3373 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3374 fatal format string.
3376 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
3378 * combine.c (make_compound_operation): Swap operands of
3379 commutative operation if necessary before returning.
3381 2005-11-19 Richard Guenther <rguenther@suse.de>
3384 * fold-const.c (fold_plusminus_mult_expr): New function.
3385 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3386 cases, remove now unnecessary code.
3388 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
3390 * gensupport.c (old_preds): Rename to std_preds, add special field.
3391 (struct old_pred_table): Rename to struct std_pred_table, add special
3393 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3394 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3395 (init_predicate_table): Adjust, and set along the way whether a
3396 predicate is special.
3398 2005-11-18 Mark Mitchell <mark@codesourcery.com>
3400 * BASE-VER: Change to 4.2.0.
3402 2005-11-18 James E Wilson <wilson@specifix.com>
3404 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3407 2005-11-18 Mike Stump <mrs@apple.com>
3409 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3410 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3411 * c-decl.c (lookup_name_two) Remove.
3412 * c-tree.h (lookup_name_two): Remove.
3413 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3414 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3415 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3416 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
3418 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
3421 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3422 when not generating code to use that co-processor.
3424 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
3426 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3427 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3428 these functions are now in tree-phinodes.c.
3430 2005-11-18 Jie Zhang <jie.zhang@analog.com>
3432 * config/bfin/bfin.md (trap): New pattern.
3434 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3436 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3439 * expr.c (expand_expr_real): Don't call record_block_change unless
3440 ib_boundaries_block is non-null
3442 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
3444 * fold-const.c (build_range_check): Use proper type for subtraction
3445 when merging lower bound.
3447 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
3449 PR rtl-optimization/24497
3450 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3453 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
3455 * tree-scalar-evolution.c (expression_expensive_p): New function.
3456 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3458 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
3460 * config/bfin/crtlibid.s: New file.
3462 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3465 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3466 when not using sjlj exceptions.
3467 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3468 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3469 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3470 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3471 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3472 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3473 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3474 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3475 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3476 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3477 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3478 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3479 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3481 * config/pa/hpux-unwind.h: New file.
3483 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
3485 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3486 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3487 * varasm.c (do_assemble_alias): Adjust call.
3488 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3490 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3492 2005-11-17 James E Wilson <wilson@specifix.com>
3494 * tree.def (FUNCTION_DECL): Correct typo in comment.
3496 2005-11-17 Richard Henderson <rth@redhat.com>
3498 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3499 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3500 and DW_CFA_def_cfa_sf.
3501 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3502 (dbx_reg_number): Don't assert particular registers here.
3503 (based_loc_descr): ... do it here instead. Fold in ...
3504 (eliminate_reg_to_offset): ... this function.
3505 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3506 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3507 * unwind-dw2.c (execute_cfa_program): Apply data align factor
3508 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3509 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3510 (instantiate_virtual_regs): Likewise.
3511 * var-tracking.c (adjust_stack_reference): Likewise.
3512 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3514 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
3516 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3517 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3518 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3520 ($(T)crtlibid.o): New rule.
3522 2005-11-16 Richard Guenther <rguenther@suse.de>
3525 * fold-const.c (extract_array_ref): Return byte offset
3527 (fold_binary): Fold &x[a] CMP &x[b] to
3528 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3531 2005-11-16 Richard Henderson <rth@redhat.com>
3534 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3535 parts of an SSA_NAME.
3537 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
3540 * arm.md (split for movsf with immediate): Restrict split to insns
3541 that set a general register.
3543 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3545 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
3547 * unwind-dw2.c (uw_advance_context): Likewise.
3548 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
3549 _Unwind_SjLj_Unregister.
3550 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3552 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3554 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3556 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3558 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3559 langhook to get a DImode integer type.
3561 2005-11-16 Richard Henderson <rth@redhat.com>
3562 J"orn Rennecke <joern.rennecke@st.com>
3563 Ulrich Weigand <uweigand@de.ibm.com>
3567 * reload1.c (reg_equiv_invariant): New.
3568 (reload): Allocate, initialize, and free it.
3569 (calculate_needs_all_insns): Check it when skipping equivalence
3571 (alter_reg): Likewise.
3572 (eliminate_regs_1): Rename from eliminate_regs. Add new
3573 may_use_invariant argument; only use reg_equiv_invariant when true.
3574 (eliminate_regs): New.
3575 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3576 a context for which may_use_invariant may be true.
3578 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3580 * fold-const.c (const_binop): Don't constant fold the operation
3581 if the result has overflowed and flag_trapping_math.
3582 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3584 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3586 * config/arm/unwind-arm.c (abort): Add prototype here.
3587 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3588 (struct phase1_vrs): Add prev_sp.
3589 (unwind_phase2_forced): Save the original core registers instead of
3590 modifying entry_vrs. Take a new flag argument for resuming unwinding
3591 and set action flags accordingly. Always set _US_END_OF_STACK when
3592 get_eit_entry fails. Unwind before calling the stop function.
3593 (_Unwind_GetCFA): New function.
3594 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3595 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3596 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3597 just call unwind_phase2_forced.
3598 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3599 * config/arm/unwind-arm.h (abort): Remove prototype.
3600 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3602 (_Unwind_GetCFA): New prototype.
3603 * config/arm/pr-support.c (abort): Add prototype here.
3604 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3606 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3607 not schedule the prologue with non-call exceptions and EABI.
3609 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
3611 * config/arm/unwind-arm.h: Reorder interface function declarations.
3612 (_URC_END_OF_STACK): New enumeration value.
3613 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3614 (struct _Unwind_Control_Block): Document reserved field use.
3615 (_Unwind_Stop_Fn): New typedef.
3616 (_Unwind_ForcedUnwind): Declare.
3617 (_Unwind_Resume_or_Rethrow): Declare.
3618 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3620 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3621 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3622 (UCB_FORCED_STOP_ARG): New.
3623 (search_EIT_table): Update boundary condition checks.
3624 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3625 (unwind_phase2): Replace for with do..while.
3626 (unwind_phase2_forced): New.
3627 (__gnu_Unwind_RaiseException): Replace for with do..while.
3628 (__gnu_Unwind_ForcedUnwind): New.
3629 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3630 Use appropriate phase2 unwinder.
3631 (__gnu_Unwind_Resume_or_Rethrow): New.
3632 (__gnu_unwind_pr_common): Cope with forced unwinding.
3634 2005-11-16 David Edelsohn <edelsohn@gnu.org>
3637 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3639 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3640 roundsf2): Remove "s" from mnemonic.
3642 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
3644 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3646 * config/bfin/crtn.s: Change epilogues to match.
3647 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3648 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3649 __PIC__ and __pic__.
3651 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
3654 * doc/invoke.texi: Distinguish between free and fixed form instead of
3655 Fortran and Fortran 90/95. Remove ratfor from the list of supported
3657 * gcc.c (default_compilers): Remove double entries, add entries for
3658 suffixes '.F90' and '.F95'.
3660 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3662 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3663 in the stack probing loop.
3665 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3667 * configure.ac: Use .machine power5 not power5x.
3668 * configure: Regenerate.
3670 2005-11-15 Mike Stump <mrs@apple.com>
3672 * c-decl.c (lookup_name_two): Add.
3673 * c-tree.h (lookup_name_two): Likewise.
3674 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3675 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3677 2005-11-16 Alan Modra <amodra@bigpond.net.au>
3679 PR rtl-optimization/23392
3680 * regrename.c (enum scan_actions) Add mark_access.
3681 (scan_actions_name): Ditto.
3682 (scan_rtx_reg): Handle mark_access.
3683 (scan_rtx_address): Do nothing for mark_access.
3684 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3685 and regs in REG_INC notes before closing chains for dead regs.
3686 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3687 opening chains for new writes.
3689 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3691 * c.opt (ffixed-line-length-none): New.
3693 2005-11-15 Steve Ellcey <sje@cup.hp.com>
3695 * mklibgcc.in: Change contents of eh_dummy.c.
3697 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3699 * loop.c (scan_loop): Do not insert temporaries for hard registers.
3701 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3703 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3705 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
3707 2005-11-15 Jan Hubicka <jh@suse.cz>
3709 * invoke.texi (large-unit-insns): Document.
3710 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3711 * params.def (large-unit-insns): New param.
3713 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
3716 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3717 special register for operand 3. Reindent constraints to align
3720 2005-11-14 David Edelsohn <edelsohn@gnu.org>
3722 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3723 -mpopcntb, -mfprnd. Add -mcpu=power5+.
3724 * configure.ac: Add test for FP rounding instructions.
3725 * configure: Regenerate.
3726 * config.in: Regenerate.
3727 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3728 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3730 * config/rs6000/rs6000.opt (mfprnd): New.
3731 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3732 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3733 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3734 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3735 (TARGET_FPRND): New.
3736 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3738 (btrunc<mode>2): New.
3740 (floor<mode>2): New.
3741 (round<mode>2): New.
3743 2005-11-14 Geoffrey Keating <geoffk@apple.com>
3745 * gcc.c (version_compare_spec_function): Use fatal() rather than
3748 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3749 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3750 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3752 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3755 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3756 on -mmacosx-version-min setting.
3758 2005-11-14 Diego Novillo <dnovillo@redhat.com>
3761 * tree-vrp.c (infer_value_range): Return false if STMT is a
3762 block terminator and its basic block has no successors.
3764 2005-11-14 Mike Stump <mrs@apple.com>
3766 * config/i386/i386.c (override_options): -masm=intel isn't
3767 supported on darwin.
3768 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3770 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
3772 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3773 vfork after including auto-host.h.
3775 2005-11-15 Alan Modra <amodra@bigpond.net.au>
3777 PR rtl-optimization/22002
3778 * combine.c (distribute_notes): Detect cases where a reg dies
3779 two or more times in a bb, including on the insn we are combining,
3780 and place the death note on the correct range.
3782 2005-11-14 Dale Johannesen <dalej@apple.com>
3784 * expmed.c (store_bit_field): Add offset unconditionally for
3786 (extract_bit_field): Don't force extzv or extv operand into
3787 a register if field is too big.
3789 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3791 * config/arm/arm.c (pic_labelno): New.
3792 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3793 LABEL_REF. Pass only the labelno to PIC insns.
3794 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3795 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3796 * arm.md (UNSPEC_PIC_LABEL): New constant.
3797 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3798 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3799 Use the correct label prefix.
3801 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3803 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3806 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
3808 * loop-invariant.c: Include tm_p.h.
3809 * Makefile.in: Updated.
3811 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3813 * pa.c (store_reg): Revise generation of frame notes in large frames.
3814 (set_reg_plus_d): Likewise.
3816 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
3818 PR tree-optimization/24709
3819 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3822 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
3824 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3825 and duplicate declaration of pthread_self.
3827 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
3828 Ian Lance Taylor <ian@airs.com>
3831 * calls.c (expand_call): If TARGET is a MEM and some part of the
3832 argument area has been saved, force TARGET to a register.
3834 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
3836 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3839 2005-11-13 Jason Merrill <jason@redhat.com>
3842 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3843 lazily declared methods.
3844 (force_decl_die): Stop if forcing out the context already make a
3846 (force_type_die): Likewise.
3848 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
3851 * builtins.c (integer_valued_real_p): Add break in
3852 REAL_CST having TREE_OVERFLOW set.
3854 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
3856 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3857 addressing modes during calculation of costs.
3859 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
3861 * function.c (assign_stack_local_1): Restrict sanity check
3862 on frame size overflow to 32-bit and above platforms.
3864 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3866 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3867 * config/cris/cris.c: Include reload.h.
3868 (cris_initial_elimination_offset): New function.
3869 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3872 2005-11-12 Richard Guenther <rguenther@suse.de>
3874 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3876 2005-11-12 Jan Hubicka <jh@suse.cz>
3878 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3879 to compare against 0 when possible.
3881 2005-11-12 Jie Zhang <jie.zhang@analog.com>
3883 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3884 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3885 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3886 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3889 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3891 * recog.c (constrain_operands) <case 'g'>: For a match, require
3892 that a non-register matches general_operand when strict >= 0.
3894 2005-11-11 Steven Bosscher <stevenb@suse.de>
3896 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3899 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3901 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3902 (memory_address_same): New.
3903 (dse_optimize_stmt): Call memory_address_same.
3905 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3908 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3909 ZERO_EXTEND>: New cases.
3911 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3913 * longlong.h (__clz_tab): Always provide.
3915 2005-11-11 Steven Bosscher <stevenb@suse.de>
3918 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3920 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3921 before check_maybe_invariant.
3922 (move_invariant_reg): Use gen_move_insn instead of replacing
3923 SET_DEST with the temporary for the invariant.
3924 (move_loop_invariants): If checking is enabled, do internal
3925 consistency checks after completing the pass.
3927 2005-11-11 David Edelsohn <edelsohn@gnu.org>
3930 * common.opt (Wvolatile-register-var): New.
3931 * varasm.c (make_decl_rtl): Only emit warning when option
3932 specified. Clarify warning message.
3933 * doc/invoke.texi (Wvolatile-register-var): Document new option.
3935 * doc/md.texi (copysign): Document standard named pattern.
3937 2005-11-11 Jie Zhang <jie.zhang@analog.com>
3939 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3940 bytes when align is 2.
3941 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3942 by the first instruction of the loop.
3944 2005-11-11 Jason Merrill <jason@redhat.com>
3947 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3950 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3952 PR rtl-optimization/22509
3953 * local-alloc.c (memref_used_between_p): Check whether a function call
3954 could not reference the memref.
3956 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
3958 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3959 algorithm so as to choose the best, not the worst, alternative.
3960 Reset accumulated register class before processing next alternative.
3962 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
3965 * calls.c (expand_call): Copy a return value to a plain register
3968 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
3971 * varasm.c (assemble_name): Recompute name only for transparent
3974 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
3976 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3978 2005-11-04 Jeff Law <law@redhat.com>
3981 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3982 perform reassociation if the parent statement will not die as
3983 a result of the optimization.
3985 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
3987 * tree-ssa-alias.c (compute_may_aliases): Remove call to
3988 delete_old_heap_vars.
3989 * tree-dfa.c (referenced_var_remove): Remove function.
3990 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3991 (delete_tree_ssa): Remove call to delete_old_heapvars.
3992 Add call to delete_alias_heapvars.
3993 * tree-flow.h (referenced_var_remove): Remove prototype
3994 (init_alias_heapvars): New prototype.
3995 (delete_alias_heapvars): Ditto.
3996 * Makefile.in (tree-ssa-structalias.o): Add
3997 gt-tree-ssa-structalias.o
3998 (GTFILES): Add tree-ssa-structalias.h and
3999 tree-ssa-structalias.c.
4000 (s-gtype): Add gt-tree-ssa-structalias.h.
4001 * tree-ssa-structalias.c (heapvars): Remove.
4002 (oldheapvars): Remove.
4003 (heapvar_for_stmt): New variable.
4004 (heapvar_lookup): New function.
4005 (heapvar_insert): Ditto.
4006 (get_constraint_for): See if we have an old heapvar
4008 (init_alias_heapvars): New function.
4009 (delete_alias_heapvars): Ditto.
4010 Add include of gt-tree-ssa-structalias.h.
4012 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4015 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
4017 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
4019 * tree.c (int_fits_type_p): Only look at the base type
4020 if it has the same precision as the original type.
4022 2005-11-10 Jakub Jelinek <jakub@redhat.com>
4025 * varasm.c (assemble_alias): Use %q+D in the error
4026 message instead of %J and %qD.
4028 2005-11-10 Richard Guenther <rguenther@suse.de>
4030 * gcse.c (free_ldst_entry): Only free hashtable if
4033 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4035 * function.c (assign_stack_local_1): Issue an error message if
4036 the frame size overflows in the signed target arithmetics.
4038 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4040 * tree.c (build_qualified_type): Chain the new type to the original
4041 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4042 a POINTER_TYPE or a REFERENCE_TYPE respectively.
4043 (build_pointer_type_for_mode): Only return unqualified types.
4044 (build_reference_type_for_mode): Likewise.
4046 2005-11-09 Jakub Jelinek <jakub@redhat.com>
4048 * Makefile.in (gnucompare): Do comparison of all files using one of
4049 the chosen methods and only afterwards decide if just warning should
4050 be issued or comparison failure raised.
4052 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4054 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
4055 (noce_try_abs): Negate if the comparison is reversed.
4056 Look only one instruction backwards for a REG_EQUAL note.
4058 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
4061 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
4062 gthr-tpf.h: Define __gthrw. For all identifiers that might
4063 be weak, introduce weakrefs or non-weak aliases with __gthrw,
4064 and prefix all uses with __ghtrw.
4066 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
4069 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
4070 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
4071 * c-common.c (handle_weakref_attribute): New.
4072 (c_common_attribute_table): Add weakref.
4073 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
4075 * configure, config.in: Rebuilt.
4076 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
4077 * doc/extend.texi: Document weakref attribute.
4078 * varasm.c (ultimate_transparent_alias_target): New
4079 (assemble_name): Use it.
4080 (weak_finish_1): Split out of...
4081 (weak_finish): ... and deal with weakrefs in...
4082 (weakref_targets): ... new list.
4083 (globalize_decl): Clean up weakref_targets.
4084 (do_assemble_alias): Handle weakrefs.
4085 (finish_aliases_1): Do not reject weakrefs to external symbols.
4086 (assemble_alias): Handle weakrefs.
4088 2005-11-09 Richard Guenther <rguenther@suse.de>
4090 PR tree-optimization/24716
4091 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
4092 t_bool to track results from follow_ssa_edge.
4094 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4096 * final.c (force_source_line): New global variable.
4097 (final_scan_insn): Set it to true instead of clearing last_filename.
4098 (notice_source_line): Return true if force_source_line is true,
4099 unless source info is absent.
4101 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
4104 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
4105 a linkage name for a variable if it a register variable.
4106 * c-decl.c (grokdeclarator): Global register variables
4107 should be set as PUBLIC.
4109 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4112 * config/s390/s390.c (struct s390_frame_layout): New fields
4113 first_save_gpr_slot and last_save_gpr_slot.
4114 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
4115 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
4116 first_save_gpr and last_save_gpr with the _slot variants.
4117 (s390_register_info): Calculate first_save_gpr_slot and
4118 last_save_gpr_slot using regs_ever_live.
4120 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4123 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
4124 for a function containing a landing pad.
4126 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4129 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
4132 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
4134 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
4135 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
4137 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
4140 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
4142 (call,load,store): New insn types.
4143 (mem_access, branch_access): Adjust reservation conditions.
4144 (define_delay): Adjust condition.
4145 (decrement_and_branch_until_zero): Allow for ms2. Set branch
4147 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
4148 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
4150 (call_internal, call_value_internal, return_internal,
4151 return_interrupt_internal, eh_return_internal, indirect_jump,
4152 tablejump): Set call insn type.
4153 (blockage, ei, di): Use appropriate unspec const.
4154 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
4155 (ms1_get_attr_type): Adjust to give load & store types.
4156 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
4157 backwards past a barrier.
4158 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
4160 (struct branch_info, struct label_info): New.
4162 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
4163 (ms1_machine_reorg): New.
4164 (TARGET_MACHINE_DEPENDENT_REORG): Override.
4165 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
4166 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
4167 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
4170 2005-11-09 Per Bothner <per@bothner.com>
4171 Uros Bizjak <uros@kss-loka.si>
4174 * toplev.c (process_options): Initialize debug_hooks early
4175 in case lang_hooks.post_options ends up calling a debug_hook.
4177 2005-11-08 Jakub Jelinek <jakub@redhat.com>
4179 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
4180 DBX_REGISTER_NUMBER being contiguous.
4182 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
4183 Diego Novillo <dnovillo@redhat.com>
4186 * tree-vrp.c (register_edge_assert_for): Do not register
4187 always-false predicates.
4189 2005-11-08 Devang Patel <dpatel@apple.com>
4191 PR tree-optimization/23115
4192 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
4195 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
4197 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
4200 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
4202 Fix PR tree-optimization/23382
4204 * tree-ssa-alias.c (compute_may_aliases): Call
4205 delete_old_heap_vars.
4206 * tree-dfa.c (referenced_var_remove): New function.
4207 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
4208 * tree-flow.h (referenced_var_remove): Add prototype.
4209 (delete_old_heap_vars): Ditto.
4210 * tree-ssa-structalias.c (heapvars): New variable.
4211 (oldheapvars): Ditto.
4212 (get_constraint_for): Put heap vars on heapvars list.
4213 (delete_old_heap_vars): New function.
4215 2005-11-08 Jason Merrill <jason@redhat.com>
4217 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
4219 2005-11-08 Uros Bizjak <uros@kss-loka.si>
4222 * reg-stack.c (reg_to_stack): Update register liveness also
4223 for flag_sched2_use_traces.
4225 2005-11-08 Alan Modra <amodra@bigpond.net.au>
4228 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
4229 override prior explicit -mno-powerpc-gfxopt.
4231 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
4233 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
4234 if the bitsize is zero.
4235 * doc/md.texi (Standard Pattern Names): Document it.
4237 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
4238 (TARGET_PASS_BY_REFERENCE): Likewise.
4240 2005-11-07 Ian Lance Taylor <ian@airs.com>
4242 PR rtl-optimization/24683
4243 * config/i386/i386.c (legitimize_pic_address): If constant operand
4244 to PLUS is too large, put it in a register.
4246 2005-11-07 Jie Zhang <jie.zhang@analog.com>
4248 * configure.ac: Enable checking assembler dwarf2 support for bfin
4250 * configure: Regenerate.
4252 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
4256 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
4257 gen_easy_vector_constant_add_self): Delete.
4258 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
4260 (output_vec_const_move): Use gen_easy_altivec_constant.
4261 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
4262 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
4263 (easy_vector_constant_add_self): Rewritten.
4264 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
4265 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
4266 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
4267 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
4268 Macroize and adjust for the other changes.
4270 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
4274 * c-typeck.c (build_c_cast): Try using a shared constant, and see
4275 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
4277 2005-11-07 Jakub Jelinek <jakub@redhat.com>
4279 PR rtl-optimization/23567
4280 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
4281 (noce_process_if_block): Don't do any optimizations except
4282 if (cond) x = x; if !set_b and write into orig_x may trap
4283 or fault. Remove the MEM_READONLY_P check.
4285 2005-11-06 Diego Novillo <dnovillo@redhat.com>
4288 * tree-vrp.c (fix_equivalence_set): New.
4289 (extract_range_from_assert): Call it.
4291 2005-11-05 Ian Lance Taylor <ian@airs.com>
4294 * combine.c (apply_distributive_law): Don't distribute across a
4297 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
4299 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
4300 config/ms1/ms1.h, config/rs6000/predicates.md,
4301 config/s390/s390.c, params.def, postreload-gcse.c,
4302 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
4303 tree-vrp.c, tree.c: Fix comment typos.
4304 * doc/invoke.texi: Fix typos.
4306 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
4308 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
4309 for testing whether the data_dependence_relation contains distance
4310 vectors. Iterate over all distance vectors of the ddr.
4311 * lambda.h: Define a vec of lambda_vector pointers.
4312 * tree-data-ref.c (dump_data_dependence_relation,
4313 dump_data_dependence_direction): Iterate over all distance and
4314 direction vectors of the ddr.
4315 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
4317 (build_classic_dist_vector, build_classic_dir_vector): Push a set
4318 of distance/direction vectors instead of a single one.
4319 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
4320 lambda_vectors with a vec of lambda_vectors.
4321 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
4322 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
4323 DDR_NUM_DIST_VECTS): New.
4324 * tree-loop-linear.c (gather_interchange_stats): Test for the
4325 existence of distance vectors only after having checked that there
4326 is a dependence. Iterate over all distance vectors of the ddr.
4327 (linear_transform_loops): Use dump_data_dependence_relation.
4328 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
4329 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
4330 distance vectors of the ddr.
4332 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
4334 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
4335 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
4336 IS_INTHANDLER; all callers changed.
4337 (n_regs_saved_by_prologue): Take interrupt handler attributes into
4339 (do_link, do_unlink): New argument ALL; all callers changed.
4340 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
4341 If function isn't leaf, save and restore all registers.
4342 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
4345 2005-11-05 Jan Hubicka <jh@suse.cz>
4347 PR rtl-optimization/23490
4348 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
4349 max-flow-memory-location): Document.
4350 * flow.c: Include params.h
4351 (MAX_MEM_SET_LIST_LEN): Kill.
4352 (add_to_mem_set_list): Use new param.
4353 * cse.c (cse_basic_block): Replace 1000 by new param.
4354 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
4355 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
4356 * predict.c (predict_loops): Use new param.
4357 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
4359 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
4360 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4361 Do not hold memory returned by cgraph_node_name across other call.
4363 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
4366 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
4369 2005-11-04 Jeff Law <law@redhat.com>
4372 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
4373 * tree-ssa-dom.c: Include params.h.
4374 (thread_across_edge): If there are too many statements in the
4375 target block, then do not thread through it.
4376 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
4377 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
4379 2005-11-03 Diego Novillo <dnovillo@redhat.com>
4382 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
4383 TODO_update_ssa instead of TODO_update_ssa_no_phi.
4385 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
4388 * tree-scalar-evolution.c (instantiate_parameters_1,
4389 instantiate_parameters, resolve_mixers): Compute the size of an
4390 expression to be instantiated and give up the instantiation if the
4391 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4393 2005-11-04 Richard Guenther <rguenther@suse.de>
4395 * tree-flow.h (ref_contains_indirect_ref): Rename to
4396 array_ref_contains_indirect_ref.
4397 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
4398 (array_ref_contains_indirect_ref): Make comment match the code
4400 (ref_contains_array_ref): Likewise.
4401 * tree-ssa-structalias.c (find_func_aliases): Remove call to
4402 ref_contains_indirect_ref.
4403 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4404 Rename calls to ref_contains_indirect_ref.
4406 2005-11-04 Paul Brook <paul@codesourcery.com>
4408 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
4409 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
4410 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4411 * config/arm/arm.md: Use match_operand in peephole input templates
4412 and match_dup in peephole output templates.
4414 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4416 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
4419 2005-11-04 Mark Mitchell <mark@codesourcery.com>
4420 Daniel Jacobowitz <dan@codesourcery.com>
4422 * longlong.h (add_ssaaaa): Clobber condition code register
4424 (sub_ddmmss): Likewise.
4425 (umul_ppmm): Likewise.
4427 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4428 Paul Brook <paul@codesourcery.com>
4429 Phil Blundell <pb@reciva.com>
4431 * configure.ac: Add test for ARM TLS support.
4432 * configure: Regenerated.
4433 * config/arm/arm-protos.h (legitimize_tls_address)
4434 (arm_tls_referenced_p, tls_mentioned_p)
4435 (arm_output_addr_const_extra): New prototypes.
4436 (thumb_legitimize_pic_address): Delete.
4437 * config/arm/arm.c: Include "gt-arm.h".
4438 (enum tls_reloc): New.
4439 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
4440 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
4441 (arm_call_tls_get_addr, legitimize_tls_address)
4442 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
4443 (arm_init_tls_builtins, arm_emit_tls_decoration)
4444 (arm_output_addr_const_extra): New functions.
4445 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
4446 (TARGET_HAVE_TLS): Define.
4447 (target_thread_pointer): New.
4448 (arm_override_options): Handle -mtp=.
4449 (legitimize_pic_address): Ignore UNSPECs.
4450 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4452 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4453 (tls_get_addr_libfunc): New variable.
4454 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4455 (arm_init_builtins): Call arm_init_tls_builtins.
4456 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4457 (arm_encode_section_info): Call default_encode_section_info.
4458 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4459 (enum arm_tp_type): New.
4460 (target_thread_pointer): Add declaration.
4461 (LEGITIMATE_CONSTANT_P): Handle TLS.
4462 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4463 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4464 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4465 * config/arm/arm.md: Add UNSPEC_TLS.
4466 (movsi): Handle TLS.
4467 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4469 (tls_load_dot_plus_eight): New insn and a peephole to create it.
4470 (load_tp_hard, load_tp_soft): New insns.
4471 * arm.opt: Add -mtp=.
4472 * doc/invoke.texi (ARM Options): Document -mtp.
4474 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4476 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4477 * config/arm/libunwind.S: Include "lib1funcs.asm".
4478 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4479 (LIB2ADDEH): Add libunwind.S.
4480 (LIB2ADDEHDEP): Add lib1funcs.asm.
4481 * mklibgcc.in: Handle asm files in libgcc_eh.a.
4483 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4486 * gcc/c.opt: Add a -lang-fortran option.
4487 * gcc/c-opts.c: Add a lang_fortran flag.
4488 (c_common_init_options): Handling the -lang-fortran option.
4489 (c_common_handle_option): Add a case for Fortran options in
4490 preprocessing. Remove cases for -ffixed-form and
4491 -ffixed-line-length. Add a case for -lang-fortran.
4493 2005-11-03 David Edelsohn <edelsohn@gnu.org>
4495 * config/rs6000/rs6000.c: Include params.h
4496 (optimization_options): Set max-grow-copy-bb-insns default to 16.
4497 (bdesc_2arg): Delete vpkuhss and vpkuwss.
4498 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4499 (UNSPEC_VPKUWSS): Delete.
4500 (altivec_vpkuhss): Delete.
4501 (altivec_vpkuwss): Delete.
4502 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4504 (neg_eq0<mode>): Remove final condition.
4505 (neg_eq<mode>): Remove condition and split-condition.
4507 2005-11-04 Alan Modra <amodra@bigpond.net.au>
4509 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4510 Use associated print macros.
4512 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4515 * diagnostic.c (diagnostic_set_info_translated): New function.
4516 (diagnostic_set_info): Use it. Add comment.
4517 * diagnostic.h (diagnostic_set_info_translated): Declare.
4519 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
4521 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4522 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4523 reference only if 'public' is true.
4524 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4525 emit the .hidden directive only if the indirect reference is public.
4526 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4527 Pass it to dw2_force_const_mem.
4528 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4529 * dwarf2out.c (output_cfi): Adjust calls to above function.
4530 (output_call_frame_info): Likewise.
4531 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4532 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4534 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
4536 PR tree-optimization/24483
4537 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4538 field to elts if possible.
4540 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4543 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4546 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
4548 Fix PR tree-optimization/24351
4550 * tree-ssa-structalias.c (struct variable_info): Add
4552 (get_varinfo_fc): New function to follow collapsing.
4553 (new_var_info): Set collapsed_to to NULL.
4554 (dump_constraint): Follow collapsing.
4555 (build_constraint_graph): Handle collapsing.
4556 (do_simple_structure_copy): Return false if something bad
4558 (collapse_rest_of_var): New function.
4559 (do_structure_copy): Collapse if do_simple_structure_copy returns
4562 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4565 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4566 expressions to a statement list instead of gimplifying them.
4568 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4570 PR rtl-optimization/23585
4571 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4572 that can't trap plus a constant integer, if the mode has zero size.
4574 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
4577 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4579 ("*insv<mode>_reg_extimm"): Likewise.
4581 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4584 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4585 c_common_type_for_mode returns an unnamed type.
4587 2005-11-02 Richard Henderson <rth@redhat.com>
4591 * dwarf2out.c (dwarf2out_reg_save_reg): New.
4592 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4593 * function.c (assign_parms): Use calls.internal_arg_pointer.
4594 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4596 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4597 (TARGET_CALLS): Add it.
4598 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4599 * targhooks.c (default_internal_arg_pointer): New.
4600 * targhooks.h (default_internal_arg_pointer): Declare.
4601 * tree.h (dwarf2out_reg_save_reg): Declare.
4602 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4603 * config/i386/i386.c (dbx_register_map): Add return column.
4604 (dbx64_register_map, svr4_dbx_register_map): Likewise.
4605 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4606 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4607 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4608 (ix86_save_reg): Save force_align_arg_pointer.
4609 (ix86_emit_save_regs): Make regno unsigned.
4610 (ix86_emit_save_regs_using_mov): Likewise.
4611 (ix86_expand_prologue): Handle force_align_arg_pointer.
4612 (ix86_expand_epilogue): Likewise.
4613 * config/i386/i386.h: (dbx_register_map): Update.
4614 (dbx64_register_map, svr4_dbx_register_map): Update.
4615 (struct machine_function): Add force_align_arg_pointer.
4616 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4617 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4618 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4620 2005-11-02 Jan Hubicka <jh@suse.cz>
4623 * i386.md: Add peep2 for simplyfing array accesses.
4625 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4628 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4629 * config/s390/s390.c (s390_decompose_shift_count): New function.
4630 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4631 (print_shift_count_operand): Use s390_decompose_shift_count.
4632 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4633 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
4635 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4638 * loop.c (loop_givs_rescan): Use force_operand to expand
4641 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
4644 * fold-const.c (build_range_check): Use unsigned when signed
4645 overflow is undefined also. If etype is subtype, make sure that
4646 the subtraction is in the supertype.
4648 2005-11-02 Richard Henderson <rth@redhat.com>
4651 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4654 2005-11-01 Richard Henderson <rth@redhat.com>
4657 * loop.c (scan_loop): Do not propagate computations to a hard
4658 register destination with SMALL_REGISTER_CLASSES.
4660 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
4662 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4663 costs for MULT inside PLUS or MINUS.
4665 2005-11-01 Bob Wilson <bob.wilson@acm.org>
4667 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4668 (TRAMPOLINE_SIZE): Round up to 60.
4669 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4671 2005-10-31 James E. Wilson <wilson@specifix.com>
4674 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4675 ifdef. Put ifdefs around call in gen_subprogram_die.
4676 (compute_frame_pointer_to_cfa_displacement): Likewise.
4677 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4680 PR rtl-optimization/17356
4681 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
4682 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4684 2005-10-31 Jan Hubicka <jh@suse.cz>
4687 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4690 * i386.c (legitimize_pic_address): Deal with large immediates.
4693 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4694 from symbol names while computing checkup.
4697 * predict.c (predict_loops): Do not estimate more than
4698 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4699 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4701 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
4703 PR tree-optimization/19097
4704 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4706 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
4708 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4710 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
4713 * tree-inline.c (setup_one_parameter): If the init_stmt
4714 is NULL, don't insert the statement.
4716 2005-10-30 Jan Hubicka <jh@suse.cz>
4718 PR tree-optimization/24172
4719 * tree-inline.c (copy_body_r): Unshare the substituted value first.
4721 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
4723 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4724 constants for hosts with long != 32 bits.
4726 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
4729 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4731 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
4733 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4734 (TARGET_MS1_16_002): New.
4735 (TARGET_MS1_16_003): New.
4737 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4738 ("*decrement_and_branch_until_zero_no_clobber"): New.
4739 Add corresponding splitter for decrement_and_branch_until_zero
4741 Key all decrement_and_branch_until_zero patterns off of
4744 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
4747 * tree-complex.c (extract_component): Treat RESULT_DECL
4748 like the rest of the decls.
4750 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
4752 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4753 indirect call to _mcount if the function needs a static chain.
4755 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
4756 Caroline Tice <ctice@apple.com>
4758 PR rtl-optimization/24460
4759 * dwarf2out.c (have_switched_text_sections): New boolean variable.
4760 (dwarf2out_switch_text_section): Set it to true instead of
4761 incrementing separate_line_info_table_in_use.
4762 (output_loc_list): Additionally test have_switched_text_sections.
4763 (output_ranges): Likewise.
4764 (dwarf2out_finish): Likewise.
4765 * varasm.c (assemble_start_function): Do not call
4766 insert_section_boundary_note.
4767 (assemble_end_function): If flag_reorder_blocks_and_partition,
4768 switch to the function's section before emitting the .size directive.
4769 * bb-reorder.c (insert_section_boundary_note): Staticify.
4770 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4771 * output.h (insert_section_boundary_note): Delete.
4773 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
4776 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4777 instead of pointer equality when comparing types.
4779 2005-10-24 James E. Wilson <wilson@specifix.com>
4781 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4782 add_dependence_list_and_free calls.
4784 2005-10-24 Steven Bosscher <stevenb@suse.de>
4786 * contrib.texi: Add the names of the LLNL folks who donated
4787 Cray pointer support for gfortran.
4789 2005-10-24 Steven Bosscher <stevenb@suse.de>
4791 PR tree-optimization/24225
4792 * profile.c (branch_prob): Look from end to start through a
4793 basic block when looking for a locus.
4795 2005-10-24 Richard Henderson <rth@redhat.com>
4797 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4799 (hppa_expand_prologue): Likewise.
4801 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4803 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4804 (NO_DEFERRED_PROFILE_COUNTERS): Define.
4805 * pa.h (NO_PROFILE_COUNTERS): Define.
4806 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4807 (funcdef_nos): New vector to hold label numbers of deferred profile
4809 (output_deferred_profile_counters): New function.
4810 (hppa_profile_hook): Push label number onto funcdef_nos.
4811 (pa_hpux_file_end): Call output_deferred_profile_counters if
4812 NO_DEFERRED_PROFILE_COUNTERS is false.
4814 * pa-protos.h (get_deferred_plabel): New prototype.
4815 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
4817 (output_call): Adjust calls.
4819 2005-10-24 Alan Modra <amodra@bigpond.net.au>
4821 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4822 peculiarity of GOT/TOC section usage.
4824 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
4827 * c-common.c (constant_string_class_name): Add documentation.
4829 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
4832 * recog.c (peephole2_optimize): Increment peep2_current_count
4833 only when the slot is empty.
4835 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4838 * except.c (output_function_exception_table): Call
4839 assemble_external_libcall if we need a personality function.
4841 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4843 PR rtl-optimization/24460
4844 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4845 set the basic block for barriers.
4847 2005-10-21 Janis Johnson <janis187@us.ibm.com>
4849 * var-tracking.c (vt_initialize): Initialize post.
4851 2005-10-21 Devang Patel <dpatel@apple.com>
4854 * c-common.c (vector_types_convertible_p): Check vector element type.
4856 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
4858 * config/sh/sh.c (prepare_move_operands): Handle the address
4859 constant which is a tls symbolic address plus a constant.
4861 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
4864 * gcc.c (main): Use the correct counter for erroring out
4865 about mulitple files.
4867 2005-10-21 Alan Modra <amodra@bigpond.net.au>
4870 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4871 use r2 for 64-bit tls .got access.
4873 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
4875 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4878 2005-10-20 Steven Bosscher <stevenb@suse.de>
4880 PR tree-optimization/24307
4881 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4883 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
4886 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4888 * varasm.c (find_decl_and_mark_needed): After cgraph global info
4889 is ready, stop marking functions, but still mark variables.
4891 2005-10-20 Richard Guenther <rguenther@suse.de>
4894 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4897 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
4899 PR rtl-optimization/23585
4900 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4901 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
4902 (may_trap_p_1): New predicate extracted from...
4903 (may_trap_p): ... here. Invoke may_trap_p_1.
4904 (may_trap_or_fault_p): New predicate.
4905 * rtl.h (may_trap_or_fault_p): Declare it.
4906 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4907 instead of may_trap_p.
4908 (steal_delay_list_from_fallthrough): Likewise.
4909 (fill_simple_delay_slots): Likewise.
4910 (fill_slots_from_thread): Likewise.
4911 * function.c (pad_to_arg_alignment): Rework comment about
4912 SPARC_STACK_BOUNDARY_HACK.
4913 * config/sparc/sparc.h: Likewise.
4915 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
4917 * config/s390/s390.c (s390_expand_insv): New.
4918 * config/s390/s390-protos.h (s390_expand_insv): Declare.
4919 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4920 ("icm_hi"): Remove mode attribute.
4921 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4923 ("*extracthi", "*extractqi"): Remove.
4924 (extv<mode>", "*extzv<mode>"): New.
4925 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4926 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4928 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4930 * cfgexpand.c (discover_nonconstant_array_refs_r,
4931 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4932 (tree_expand_cfg): Call discover_nonconstant_array_refs.
4933 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4934 discover_nonconstant_array_refs.
4936 2005-10-19 Steven Bosscher <stevenb@suse.de>
4939 * c-decl.c (pop_scope): Don't warn about an unused variable
4940 if it is marked with TREE_NO_WARNING.
4941 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4942 somenow mismatch and olddecl is to be replaced.
4944 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
4947 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4948 whether registers live on the edge can be saved/restored.
4950 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
4952 * config/sh/sh.c (fixup_mova): Skip notes.
4954 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4956 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4957 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4958 (s390_can_eliminate): Handle BASE_REGNUM elimination.
4959 (s390_initial_elimination_offset): Likewise.
4960 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4961 register on TARGET_ZARCH targets.
4962 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4963 (INITIAL_FRAME_POINTER_OFFSET): Remove.
4964 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4965 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4967 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
4969 * config/s390/s390.md: Comment describing output modifiers updated.
4970 * config/s390/s390.c (print_operand): Likewise.
4972 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
4974 * config/s390/s390.c (override_options): Added check for -mstack-size
4976 * doc/invoke.texi: Mention that limit in the documenation.
4978 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
4981 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4983 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
4985 Fix PR tree-optimization/24231
4987 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4988 (compute_avail): Ditto.
4990 2005-10-18 Richard Henderson <rth@redhat.com>
4993 * config/i386/i386.c (legitimate_constant_p): Check
4994 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
4996 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4997 (legitimate_pic_address_disp_p): Reorg CONST checking to make
4998 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
5000 (print_operand_address): Likewise.
5001 * config/i386/predicates.md (x86_64_immediate_operand): Test
5002 SYMBOL_REF_TLS_MODEL properly inside CONST.
5003 (x86_64_zext_immediate_operand): Likewise.
5004 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
5005 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
5006 * config/i386/i386-protos.h: Remove predicates.md entries.
5008 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
5010 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
5011 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
5013 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
5014 Ian Lance Taylor <ian@airs.com>
5017 * fold-const.c (fold_widened_comparison): Do not allow range based
5018 constant folding when right operand cannot be unwidened.
5020 2005-10-17 Richard Henderson <rth@redhat.com>
5022 * builtins.c (expand_builtin_synchronize): Build a new-style asm
5023 with a memory clobber.
5025 2005-10-17 James E Wilson <wilson@specifix.com>
5027 PR rtl-optimization/17356
5028 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
5029 checking for EDGE_EH.
5031 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
5033 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
5034 the slot on an even boundary for any type with 16-byte alignment.
5036 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
5039 * md.texi (Modifiers) <%>: Clarify that % doesn't work
5040 after register allocation.
5042 2005-10-17 DJ Delorie <dj@redhat.com>
5044 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
5047 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
5050 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
5053 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
5055 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
5056 to 2 if it's already non-zero.
5057 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
5058 is set and warn about it if flag_schedule_insns is 1.
5060 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
5062 * config/crx/crx.md: Compare-and-branch instructions need to
5065 2005-10-17 Uros Bizjak <uros@kss-loka.si>
5068 * config/i386/i386.md (*pushdi2_rex64 splitter)
5069 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
5070 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
5071 flow2 pass only when (optimize > 0 && flag_peephole2).
5073 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
5076 * gcc.c (have_c): New static variable.
5078 (process_command): Remove declation of have_c.
5079 Set have_o to 1 when handling -o.
5080 (main): Add a fatel error if there are multiple
5081 files specified and -o and -c/-S is passed witout
5082 -combine or multiple languages.
5084 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
5086 Fix PR tree-optimization/22444
5087 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
5088 Assert that we don't hit something with subvars.
5089 (setup_pointers_and_addressables): Don't add things with subvars,
5090 because we'll already process the subvars for aliasing purposes.
5092 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
5095 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
5096 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
5097 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
5098 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
5099 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
5100 swapped, alternatives for the R constraint.
5103 * builtins.c (get_builtin_sync_mode): Make unlimited
5104 mode_for_size request.
5106 2005-10-15 Richard Henderson <rth@redhat.com>
5108 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
5109 (gimplify_expr): ... here.
5110 (gimplify_compound_lval): Use it in initial scan loop. Allow
5111 fb_lvalue in base expression.
5113 2005-10-15 Richard Henderson <rth@redhat.com>
5116 * builtins.c (expand_builtin_trap): Export.
5117 * expr.h (expand_builtin_trap): Declare.
5118 * expr.c (expand_assignment): Emit a trap for integral offsets
5119 from registers that weren't reduced to bitpos.
5121 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
5122 (mark_array_ref_addressable): Remove.
5123 * tree-flow.h (mark_array_ref_addressable): Remove.
5124 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
5126 2005-10-15 James E Wilson <wilson@specifix.com>
5129 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
5130 (add_dependence_list_and_free): Likewise.
5131 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
5134 2005-10-15 Diego Novillo <dnovillo@redhat.com>
5138 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
5139 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
5141 (vrp_visit_phi_node): Only prevent infinite iterations when
5142 the previous result and the new result are both VR_RANGEs.
5144 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
5146 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
5149 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5152 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
5155 2005-10-14 Per Bothner <per@bothner.com>
5157 PR preprocessor/21250
5158 * c-ppoutput.c (print_line): Print internal line 0 as 1.
5160 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
5163 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
5164 overflow flags. Refactor some conditionals.
5166 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
5169 * tree-dfa.c (add_referenced_var): Only look at decls which
5170 have TREE_CONSTANT or TREE_READONLY set instead of if
5171 !TREE_PUBLIC or !TREE_CONSTANT.
5173 2005-10-13 James E Wilson <wilson@specifix.com>
5175 * doc/invoke.texi: For -x, add f95-cpp-input.
5176 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
5178 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
5180 PR tree-optimization/24262
5181 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
5182 in loop all the time.
5184 2005-10-12 Richard Henderson <rth@redhat.com>
5187 * tree.h (DECL_TRANSPARENT_UNION): Remove.
5188 * function.c (assign_parm_find_data_types): Don't support it.
5189 * print-tree.c (print_node): Likewise.
5190 * c-common.c (handle_transparent_union_attribute): Likewise.
5191 Use build_duplicate_type.
5192 * tree-inline.c (remap_type_1): Split out of remap_type;
5193 properly remap aggregate fields.
5194 (build_duplicate_type): New.
5195 * doc/extend.texi (Variable Attributes): Remove documentation
5196 for transparent_union.
5198 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5201 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
5202 (gen_stack_pointer_dec): Likewise.
5204 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
5208 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
5210 (struct cxx): Add adjust_class_at_definition target hook.
5211 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
5212 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
5213 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
5214 hook_void_tree. Add to TARGET_CXX.
5215 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
5217 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
5218 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
5219 instead of attribute. Check for dllexport override. Warn if
5220 inconsistent dll linkage. Don't lose old dllimport if decl has
5221 had address referenced. Tweak lookup of dllimport atribute.
5222 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
5223 for target specific rules. Don't add dllimport attribute if
5224 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
5225 dllimport attribute.
5226 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
5227 * varasm.c (initializer_constant_valid_p): Replace
5228 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
5232 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
5233 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
5234 (i[34567]86-*-mingw32*): Likewise.
5236 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
5237 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
5239 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
5240 C++-specific code. Change return value to bool.
5241 (i386_pe_dllimport_p): Likewise.
5242 (associated_type): Simplify and make language-independent
5243 (i386_pe_encode_section_info): Replace override of ambiguous
5244 dllimport symbol refs with a gcc_assert.
5245 (i386_pe_valid_dllimport_attribute_p): Define.
5246 * config/i386/winnt-cxx.c: New file. Define C++ versions of
5247 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5248 i386_pe_adjust_class_at_definition.
5249 * config/i386/winnt-stubs.c: New file. Define stub versions of
5250 lang-specific functions.
5251 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
5252 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5253 i386_pe_adjust_class_at_definition.
5254 (i386_pe_valid_dllimport_attribute_p): Declare.
5255 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
5256 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
5257 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
5260 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
5261 dllimport attribute with test of DECL_DLLIMPORT_P.
5263 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
5265 * combine.c (make_extraction): Correct offset computation.
5267 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
5269 * config/cris/t-linux (LIMITS_H_TEST): Define.
5271 2005-10-12 Richard Henderson <rth@redhat.com>
5274 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
5276 2005-10-12 Richard Guenther <rguenther@suse.de>
5278 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
5280 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
5283 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
5284 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
5287 2005-10-12 Richard Guenther <rguenther@suse.de>
5290 * varasm.c (output_constant): Correct typo from previous
5293 2005-10-11 Ian Lance Taylor <ian@airs.com>
5295 PR rtl-optimization/13931
5296 * combine.c: Revert patch of 2003-05-14, and:
5297 (try_combine): Only set elim_i1 and elim_i2 if the destination is
5298 completely killed in the appropriate insn.
5299 (distribute_notes): Don't skip multiple hard register test for
5300 elim_i1 and elim_i2.
5302 2005-10-11 Richard Henderson <rth@redhat.com>
5305 * c-typeck.c (convert_for_assignment): Use build_constructor_single
5306 to initialize a transparent union instead of a nop_expr.
5308 2005-10-11 Richard Henderson <rth@redhat.com>
5310 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
5311 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
5312 (tree_ssa_dce_loop): Call scev_reset.
5315 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
5316 * tree-ssa-dce.c: Include cfgloop.h.
5317 (tree_ssa_dce_loop, pass_dce_loop): New.
5318 * tree-pass.h (pass_dce_loop): Declare it.
5319 * passes.c (init_optimization_passes): Use it.
5321 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5324 * convert.c (convert_to_real): Revert 2005-10-05 patch.
5325 Only apply the optimization for rounding builtins if the inner
5326 cast is also an extension.
5328 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
5331 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
5332 mark_new_vars_to_rename instead of update_stmt.
5334 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
5336 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
5338 2005-10-11 Jakub Jelinek <jakub@redhat.com>
5340 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
5341 for setting MMX register to 0 rather than mmx.
5343 2005-10-10 Steve Ellcey <sje@cup.hp.com>
5346 * configure.ac: Move gas check from mips specific case to common case.
5347 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
5348 * configure: Regenerate
5349 * doc/install.texi: Update.
5351 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5354 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
5356 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
5358 * gcc.c (do_spec_1): Accept numeric characters in file name
5361 2005-10-10 Nick Clifton <nickc@redhat.com>
5363 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
5364 describing the deleted arm_gen_rotated_half_load function.
5366 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
5368 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
5371 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
5373 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
5375 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
5376 (EXTRA_MULTILIB_PARTS): Define.
5377 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5378 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5379 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
5380 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5381 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5382 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
5384 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
5386 PR tree-optimization/24226
5387 * tree-cfg.c (remove_bb): Clean up unreachable loops.
5388 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
5389 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
5392 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5394 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
5396 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
5399 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
5400 Rewrite for no need for the early clobber.
5402 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
5404 Merge from csl-arm-branch:
5405 2005-09-07 Paul Brook <paul@codesourcery.com>
5406 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
5409 2005-04-30 Paul Brook <paul@codesourcery.com>
5410 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
5411 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
5413 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
5414 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
5415 (arm_override_options): Use TARGET_AAPCS_BASED.
5416 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
5417 (PTRDIFF_TYPE): Use int for AAPCS.
5418 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
5419 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
5420 (DEFAULT_SHORT_ENUMS): Delete.
5421 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
5423 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
5424 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
5425 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
5426 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
5428 2004-12-03 Mark Mitchell <mark@codesourcery.com>
5429 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
5431 2004-11-22 Mark Mitchell <mark@codesourcery.com>
5432 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
5434 2004-11-19 Mark Mitchell <mark@codesourcery.com>
5435 * config.gcc (arm*-*-linux-gnueabi): Add it.
5436 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
5438 (TARGET_OS_CPP_BUILTINS): Likeiwse.
5439 * config/arm/linux-eabi.h: New file.
5440 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
5441 (LINUX_TARET_LINK_SPEC): Likewise.
5442 (LINK_SPEC): Use it.
5443 * config/arm/t-linux-eabi: New file.
5445 2005-10-08 Steven Bosscher <stevenb@suse.de>
5448 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
5450 (PARAM_SMS_DFA_HISTORY): Likewise.
5452 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
5455 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5456 (load_register_parameters): Call it.
5457 (check_sibcall_argument_overlap_1): Likewise.
5458 (store_one_arg): Likewise.
5460 2005-10-07 James E. Wilson <wilson@specifix.com>
5462 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5463 DImode not VECINT24 for operand 2.
5466 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5470 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5471 fr_spill): Use destination_operand for operand 0.
5473 2005-10-07 DJ Delorie <dj@redhat.com>
5475 * varasm.c (output_constant): Limit error to expanding
5478 2005-10-07 Richard Guenther <rguenther@suse.de>
5481 * fold-const.c (fold_binary): Fix operand types during folding
5482 of X op (A, Y). Evaluation order of the side-effects of
5483 X and A are frontend-defined, so ensure we honour that even for
5484 tcc_comparison class operands; eased by removing duplicate code.
5486 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5488 * stor-layout.c (layout_type): Do not allow alignment of array
5489 elements to be greater than their size.
5491 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5493 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5495 (hppa*-*-linux*): Ditto.
5496 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5497 * config/host-hpux.c: New.
5498 * config/x-hpux: New.
5499 * config/pa/x-hpux: Remove.
5500 * config/pa/x-linux: Remove.
5501 * config/pa/pa-host.c: Remove.
5503 2005-10-07 Jeff Law <law@redhat.com>
5505 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5506 determine whether or not to try and thread outgoing edges.
5508 2005-10-07 David Edelsohn <edelsohn@gnu.org>
5510 * config/rs6000/rs6000.md (eqsi_power): New.
5511 (neg_eq0si): Add TARGET_POWER to final condition.
5514 2005-10-06 Richard Henderson <rth@redhat.com>
5516 * config/rs6000/rs6000.c: Revert last change.
5518 2005-10-06 Richard Henderson <rth@redhat.com>
5520 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5521 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5523 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
5527 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5528 out return_label and naked_return_label.
5530 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5532 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5535 2005-10-06 Richard Henderson <rth@redhat.com>
5538 * tree-inline.c (declare_return_variable): Handle modify_dest not
5541 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5543 Fix PR tree-optimization/22488
5544 * tree-ssa-structalias.c (check_for_overlaps): New function.
5545 (create_variable_info_for): Use it.
5547 2005-10-06 Richard Henderson <rth@redhat.com>
5550 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5551 (dwarf2out_start_source_file): Print it.
5553 2005-10-06 Geoffrey Keating <geoffk@apple.com>
5555 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5557 2005-10-06 Richard Henderson <rth@redhat.com>
5560 * mode-switching.c (optimize_mode_switching): Clear transp bit
5561 for block with incomming abnormal edges.
5563 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5564 (fpscr_set_from_mem): Use them.
5565 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5566 (fpscr postinc splitters): Rewrite as peephole2+split.
5568 2005-10-06 David Edelsohn <edelsohn@gnu.org>
5570 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5571 (eq<mode>_compare): Same.
5573 2005-10-06 Richard Guenther <rguenther@suse.de>
5575 PR tree-optimization/24238
5576 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5578 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
5580 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5581 here. Use AC_PATH_PROG for environment variables instead of
5583 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
5585 * configure: Regenerated.
5587 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
5590 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5591 then force it into a register.
5592 (call_value): Likewise.
5594 2005-10-06 Richard Henderson <rth@redhat.com>
5597 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5598 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
5599 under pass_vectorize.
5601 2005-10-05 Devang Patel <dpatel@apple.com>
5604 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5605 handling constants. Check NAMESPACE_DECL context for constants.
5607 2005-10-05 Eric Christopher <echristo@apple.com>
5609 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5611 2005-10-05 Richard Henderson <rth@redhat.com>
5614 * tree-cfg.c (mark_array_ref_addressable_1): New.
5615 (mark_array_ref_addressable): New.
5616 * tree-flow.h (mark_array_ref_addressable): Declare.
5617 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5619 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
5623 * reload.c (subst_reloads): When adding a REG_LABEL to a
5624 jump instruction, also update JUMP_LABEL.
5626 2005-10-05 David Edelsohn <edelsohn@gnu.org>
5628 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5629 * bb-reorder.c (copy_bb_p): Use it.
5630 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5632 2005-10-05 Richard Henderson <rth@redhat.com>
5635 * toplev.c (process_options): Warn about unsupported combinations
5636 of unwind tables and omit-frame-pointer.
5637 * config/i386/i386.c (override_options): Similarly. Enable
5638 accumulate-outgoing-args if not explicitly disabled.
5640 2005-10-05 Steve Ellcey <sje@cup.hp.com>
5642 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5643 Handle big endian vs. small endian.
5644 (vec_initv2sf): Handle big endian vs. small endian.
5645 (*vec_extractv2sf_1): Ditto.
5647 2005-10-05 Dale Johannesen <dalej@apple.com>
5649 * convert.c (convert_to_real): Don't convert
5650 (float)floor(double d) to floorf((float)d).
5652 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
5654 * config/arm/arm.md (insv): Use gen_int_mode in more places.
5656 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
5658 PR tree-optimization/18587
5659 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5660 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5661 build_vuses): Change to VEC type.
5662 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5663 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5664 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5665 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5666 (get_name_decl): New. Return DECL_UID of base variable.
5667 (operand_build_cmp): New. qsort comparison routine.
5668 (operand_build_sort_virtual): New. Sort virtual build vector.
5669 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5670 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5671 (FINALIZE_BASE): Use get_name_decl.
5672 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5673 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5674 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5675 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5676 direct VEC_* manipulations.
5677 (build_ssa_operands): Call operand_build_sort_virtual.
5678 (copy_virtual_operand, create_ssa_artficial_load_stmt,
5679 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5680 with direct VEC_* manipulations.
5681 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5682 with direct VEC manipulations.
5684 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
5686 PR tree-optimization/21419
5687 PR tree-optimization/24146
5688 PR tree-optimization/24151
5690 * c-typeck.c (readonly_error): Handle USE being lv_asm.
5691 (build_asm_expr): Call it if outputs are read-only.
5692 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5694 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
5695 Paolo Bonzini <bonzini@gnu.org>
5699 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5700 enable the instructions and not just the built-ins.
5701 * doc/invoke.texi (x86 Options): Likewise.
5703 2005-10-04 Geoffrey Keating <geoffk@apple.com>
5705 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5707 * doc/invoke.texi (Option Summary): Correct spelling
5708 of -mmacosx-version-min.
5710 2005-10-04 Devang Patel <dpatel@apple.com>
5712 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5715 2005-10-04 Steve Ellcey <sje@cup.hp.com>
5717 * tree-vect-transform.c (vect_create_epilog_for_reduction):
5718 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5720 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
5722 * config/s390/s390.md ("TDSI","DP"): New mode macros.
5723 ("TE","tg"): New mode attributes.
5724 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5725 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5726 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5727 dword_mode and one for GPRmode.
5729 2005-10-04 Ian Lance Taylor <ian@airs.com>
5731 PR preprocessor/13726
5732 * c-ppoutput.c (cb_include): Add comments parameter, and print out
5733 any comments passed in.
5735 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5737 * tree.c (annotate_with_file_line): Fix typo.
5739 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5742 * builtins.c (fold_builtin_memcmp): When constructing the pointer
5743 type used to access data in the inlined length == 1 case, use
5744 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5745 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5747 2005-10-04 Uros Bizjak <uros@kss-loka.si>
5749 * config/i386/i386.h (TARGET_FISTTP): Enable also for
5750 TARGET_SSE3 and only for TARGET_80387.
5751 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5752 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5753 Do not depend on TARGET_80387.
5755 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5757 * tree.c (last_annotated_node): Change type to location_t*.
5758 (annotate_with_file_line): Reflect the change of
5759 last_annotated_node type.
5761 2005-10-04 Richard Guenther <rguenther@suse.de>
5764 * c-decl.c (grokdeclarator): Don't write to fields
5767 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5770 * c-decl.c (finish_decl): Use set_user_assembler_name even for
5772 * varasm.c (make_decl_rtl): If a register variable does not
5773 have a set user assmbler name, error out.
5774 Decode the asmspec is now name+1 bypassing '*'.
5776 2005-10-04 Steven Bosscher <stevenb@suse.de>
5778 PR tree-optimization/23049
5779 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5780 of a COND_EXPR is folded before calling fold on the whole rhs of a
5781 conditional assignment.
5782 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5783 document that a COND_EXPR may appear there.
5785 2005-10-03 Diego Novillo <dnovillo@redhat.com>
5788 * tree-vrp.c (extract_range_from_assert): If the new numeric
5789 range created out of the assertion contradicts the existing
5790 numeric range of the ASSERT_EXPR variable, make the new range
5793 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
5795 * config/sh/sh.c (sh_register_move_cost): Add case for moving
5796 from T_REGS to FP register class.
5798 2005-10-03 Richard Henderson <rth@redhat.com>
5801 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5802 before creating a new one.
5804 2005-10-03 David Edelsohn <edelsohn@gnu.org>
5806 * config/rs6000/t-aix43 (LDFLAGS): New.
5807 * config/rs6000/t-aix52 (LDFLAGS): New.
5809 2005-10-03 Ian Lance Taylor <ian@airs.com>
5811 * gimplify.c (find_single_pointer_decl_1): New static function.
5812 (find_single_pointer_decl): New static function.
5813 (internal_get_tmp_var): For a formal variable, set restrict base
5814 information if appropriate.
5815 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5817 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5818 (DECL_GET_RESTRICT_BASE): Define.
5819 (SET_DECL_RESTRICT_BASE): Define.
5820 (decl_restrict_base_lookup): Declare.
5821 (decl_restrict_base_insert): Declare.
5822 (struct tree_decl_with_vis): Add based_on_restrict_p field.
5823 * tree.c (restrict_base_for_decl): New static variable.
5824 (init_ttree): Initialize restrict_base_for_decl.
5825 (copy_node_stat): Copy restrict base information.
5826 (decl_restrict_base_lookup): New function.
5827 (decl_restrict_base_insert): New function.
5828 (print_restrict_base_statistics): New static function.
5829 (dump_tree_statistics): Call print_restrict_base_statistics.
5831 2005-10-02 Diego Novillo <dnovillo@redhat.com>
5834 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5835 case of anti-ranges.
5837 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
5840 * c-typeck.c (tagged_tu_seen): Rename to ...
5841 (tagged_tu_seen_cache): this and add val field.
5842 (comptypes): Move functional to comptypes_internal
5843 and free tagged_tu_seen.
5844 (comptypes_internal): New function and call comptypes_internal
5845 instead of comptypes. Speed up by sibcalling
5846 tagged_types_tu_compatible_p.
5847 (alloc_tagged_tu_seen): New function
5848 (free_all_tagged_tu_seen_up_to): New function.
5849 (tagged_types_tu_compatible_p): Return the val of the seen two
5851 Add that the two types are the same to tagged_tu_seen_base
5852 if they are and call comptypes_internal instead of comptypes.
5853 <case UNION_TYPE>: Speed up common type where the fields are
5855 (function_types_compatible_p): Call comptypes_internal instead of
5857 (type_lists_compatible_p): Likewise.
5858 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5860 2005-10-02 Matthias Klose <doko@debian.org>
5862 * doc/invoke.texi: Fix typo and speling error.
5864 2005-10-01 Richard Henderson <rth@redhat.com>
5866 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5868 2005-10-01 Mark Mitchell <mark@codesourcery.com>
5870 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5871 using --start-group and --end-group.
5873 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5875 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5876 FIXME note regarding quirky semantics.
5878 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5881 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5882 non-null range as a last resort.
5884 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
5885 Diego Novillo <dnovillo@redhat.com>
5888 * tree-vrp.c (extract_range_from_assert): For !=
5889 assertions, only build an anti-range if LIMIT is a
5890 single-valued range.
5892 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
5894 * arm.md (movqi): On thumb when optimizing, handle loading from
5895 memory by describing this as taking a subreg of a zero-extended load
5896 into an SImode register.
5899 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
5901 * reload1.c (merge_assigned_reloads): Do not change any
5902 RELOAD_FOR_OUTPUT_ADDRESS reloads.
5904 2005-09-30 Geoffrey Keating <geoffk@apple.com>
5906 * Makefile.in (LIPO_FOR_TARGET): Define.
5907 (STRIP_FOR_TARGET): Define.
5909 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5910 before creating new ones. Do symlinks before creating the actual
5913 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5914 to work out which multilibs are actually being built.
5916 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
5918 * tree-vect-transform.c, config/ms1/ms1.md,
5919 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5920 Follow spelling conventions.
5921 * doc/invoke.texi, doc/md.texi: Fix typos.
5923 2005-09-30 Andrew Macleod <amacleod@redat.com>
5925 PR tree-optimization/21430
5926 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5927 use operands, and set stmt pointer if need be.
5928 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5929 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5932 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5935 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5937 2005-09-29 Mark Mitchell <mark@codesourcery.com>
5939 * optabs.c (expand_binop): Initialize first_pass_p.
5941 2005-09-29 Jakub Jelinek <jakub@redhat.com>
5944 * c-decl.c (c_write_global_declarations_1): If any
5945 wrapup_global_declaration_2 call returned true, restart the loop.
5947 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
5949 Fix PR tree-optimization/24117
5950 * tree-ssa-structalias.c (find_func_aliases): Strip nops
5951 before considering whether to use anyoffset.
5953 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
5957 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
5959 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5961 (swap_commutative_operands_with_target): New.
5963 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
5966 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5969 2005-09-29 Steven Bosscher <stevenb@suse.de>
5971 PR tree-optimization/23911
5972 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5973 and IMAGPART_EXPR too.
5975 2005-09-28 Mark Mitchell <mark@codesourcery.com>
5978 * expmed.c (expand_shift): Move logic to reverse rotation
5979 direction when rotating by constants ...
5980 * optabs.c (expand_binop): ... here.
5981 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5982 (ix86_rotrdi3): New pattern.
5983 (rotldi3): Handle 32-bit mode.
5984 (ix86_rotldi3): New pattern.
5986 2005-09-29 Alan Modra <amodra@bigpond.net.au>
5989 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5990 check for numbers that need no bit twiddle.
5992 2005-09-28 Geoffrey Keating <geoffk@apple.com>
5994 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5995 multilib to be built.
5997 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5998 (stage1-start): Delete old libgcc and libunwind before moving
5999 anything into the stage directory.
6000 (stage2-start): Likewise.
6001 (stage3-start): Likewise.
6002 (stage4-start): Likewise.
6003 (stageprofile-start): Likewise.
6004 (stagefeedback-start): Likewise.
6005 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
6006 header in tm_file and CPU-specific t-darwin in tmake_file.
6007 (i[34567]86-*-darwin*): Don't change tm_file.
6008 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
6009 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
6010 shared library stub for target OS version.
6011 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
6012 (SHLIB_LINK): Don't make SHLIB_SOLINK.
6013 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
6014 (libgcc_s.%.dylib): New.
6016 (install-darwin-libgcc-stubs): New.
6017 (INSTALL_LIBGCC): New append.
6018 * config/i386/darwin-libgcc.10.4.ver: New.
6019 * config/i386/darwin-libgcc.10.5.ver: New.
6020 * config/i386/t-darwin: New.
6021 * config/rs6000/darwin-libgcc.10.4.ver: New.
6022 * config/rs6000/darwin-libgcc.10.5.ver: New.
6023 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
6024 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
6026 2005-09-28 Paul Brook <paul@codesourcery.com>
6028 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
6031 2005-09-28 Richard Guenther <rguenther@suse.de>
6033 PR tree-optimization/23853
6034 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
6035 host_integerp to verify misalignment value.
6037 2005-09-28 Richard Henderson <rth@redhat.com>
6039 * builtins.c (get_builtin_sync_mode): New.
6040 (expand_builtin_sync_operation): Pass in mode argument.
6041 (expand_builtin_compare_and_swap): Likewise.
6042 (expand_builtin_lock_test_and_set): Likewise.
6043 (expand_builtin_lock_release): Likewise.
6044 (expand_builtin): Update to match.
6046 2005-09-28 Nick Clifton <nickc@redhat.com>
6048 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
6049 formatting. Add check to PLUS case to ensure that the offset is
6050 within an acceptable range.
6052 * config/v850/v850.md (casesi): Disable the generation of the
6053 switch pattern as it is not being handled properly at the moment.
6055 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
6056 for when the high words are identical.
6058 2005-09-27 Richard Henderson <rth@redhat.com>
6060 * pretty-print.c (pp_base_format): Fix typo for %>.
6062 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
6063 Devang Patel <dpatel@apple.com>
6065 PR tree-optimization/23625
6066 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
6067 LABEL_EXPR, assertion check.
6069 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
6071 * optabs.c (no_conflict_move_test): Check if a result of a
6072 to-be-moved insn would be clobbered by an originally
6075 2005-09-27 Jeff Law <law@redhat.com>
6077 * passes.c (init_optimization_passes): Replace copy propagation
6078 passes immediately after DOM with phi-only copy propagation
6079 pases. Add phi-only copy propagation pass after first DOM pass.
6080 * tree-pass.h (pass_phi_only_copy_prop): Declare.
6081 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
6082 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
6083 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
6084 to init_copy_prop. Callers updated.
6085 (do_phi_only_copy_prop): New function.
6086 (pass_phi_only_copy_prop): New pass descriptor.
6088 2005-09-27 Nick Clifton <nickc@redhat.com>
6090 * libgcc2.c (__popcount_tab): Remove redundant prototype.
6092 2005-09-26 Jason Merrill <jason@redhat.com>
6095 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
6097 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
6099 2005-09-26 James E Wilson <wilson@specifix.com>
6101 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
6102 copyright. Add gcc copyright plus libgcc exception.
6103 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
6105 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
6107 2005-09-26 Jeff Law <law@redhat.com>
6109 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
6110 about when to iterate.
6112 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
6115 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
6116 for __complex__ double in -mcpu=G5 mode.
6118 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
6120 PR tree-optimization/23942
6121 * Makefile.in (SCEV_H): Depends on PARAMS_H.
6122 * tree-scalar-evolution.c: Include params.h.
6124 (follow_ssa_edge, follow_ssa_edge_in_rhs,
6125 follow_ssa_edge_in_condition_phi_branch,
6126 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
6127 Change return type to t_bool. Use a parameter to limit the size of
6128 trees that are walked before stopping
6129 (analyze_evolution_in_loop): Initialize the limit to 0.
6130 (follow_ssa_edge): Give up by returning t_dont_know if the limit
6131 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
6133 2005-09-26 Uros Bizjak <uros@kss-loka.si>
6136 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
6137 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
6139 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
6141 * combine.c (make_extraction): Check for valid use of subreg.
6143 2005-09-26 Uros Bizjak <uros@kss-loka.si>
6146 * config/i386/i386.md ("*fistdi2_1"): New pattern.
6147 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
6148 ("fist<mode>2_with_temp"): Use only register operands.
6150 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
6152 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
6153 CALL_INSN_FUNCTION_USAGE.
6155 2005-09-26 Richard Guenther <rguenther@suse.de>
6158 * gcse.c: Include hashtab.h, define ldst entry hashtable.
6159 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
6160 (ldst_entry): Use the hashtable instead of list-walking.
6161 (find_rtx_in_ldst): Likewise.
6162 (free_ldst_entry): Free the hashtable.
6163 (compute_ld_motion_mems): Create the hashtable.
6164 (trim_ld_motion_mems): Remove entry from hashtable if
6165 removing it from list.
6166 (compute_store_table): Likewise^2.
6167 (store_motion): Free hashtable in case we did not see
6170 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
6172 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
6173 and arg1 if we are passing them to fold_build2.
6175 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
6178 * config/i386/i386.c (ix86_function_regparm): Fix the test for
6181 2005-09-25 Richard Henderson <rth@redhat.com>
6183 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
6184 SYMBOL_REF_TLS_MODEL to be correct.
6186 2005-09-24 Richard Henderson <rth@redhat.com>
6188 * ipa-type-escape.c (discover_unique_type): Remove dead code at
6189 end of function. Reindent.
6191 2005-09-24 Ian Lance Taylor <ian@airs.com>
6193 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
6194 NEGATE_EXPR/BIT_NOT_EXPR case.
6196 2005-09-24 Richard Henderson <rth@redhat.com>
6198 * c-common.c (handle_mode_attribute): When not modifying in place,
6199 create subtypes for enumerations.
6200 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
6201 * gimplify.c (create_tmp_from_val): Likewise.
6203 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
6205 * config/i386/i386.md (*tls_global_dynamic_64,
6206 *tls_local_dynamic_base_64): Add missing mode to call.
6207 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
6209 2005-09-24 Jan Hubicka <jh@suse.cz>
6211 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
6212 (cgraph_clone_node): Likewise.
6213 * cgraph.h (cgraph_clone_edge): Update prototype.
6214 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
6215 duplicated prototypes; add updating argument.
6216 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
6217 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
6219 (cgraph_mark_inline_edge): Likewise.
6220 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
6221 (cgraph_flatten_node): Likewise.
6222 (cgraph_decide_recursive_inlining): Likewise.
6223 (cgraph_decide_inlining_of_small_function): Likewise.
6224 * tree-optimize.c (tree_rest_of_compilation): Likewise.
6226 2005-09-23 David Edelsohn <edelsohn@gnu.org>
6227 Pete Steinmetz <steinmtz@us.ibm.com>
6229 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
6230 (rldic.): Set type to "compare".
6232 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
6233 mfjmpr for MFCTR/MFLR.
6234 (movdf_hardfloat64): Same.
6235 (movdf_softfloat64): Same. Correct order of store and move types.
6236 (movti_string): Set type to store_ux/load_ux.
6237 (load_multiple): Set type to load_ux.
6238 (store_multiple): Set type to store_ux.
6239 (movmemsi): Set type to store_ux.
6240 (output_cbranch direct_return): Set type to jmpreg.
6241 (stmw): Set type to store_ux.
6242 (lmw): Set type to load_ux.
6243 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
6244 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
6245 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
6246 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
6247 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
6248 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
6249 (rios1-fpstore): Increase latency to 3.
6250 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
6251 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
6253 2005-09-23 David Edelsohn <edelsohn@gnu.org>
6254 Andrew Pinski <pinskia@physics.uc.edu>
6256 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
6257 operand2 constraint to "b".
6258 (sync_<fetchop_name>di_internal): Same.
6259 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
6261 (sync_old_<fetchop_name>di_internal): Same.
6262 (sync_new_<fetchop_name>si_internal): Same.
6263 (sync_new_<fetchop_name>di_internal): Same.
6265 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
6268 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
6269 case, define as macros.
6271 PR rtl-optimization/23837
6272 * optabs.c (no_conflict_move_test): Don't set must_stay for a
6273 clobber / clobber match between dest and p->first.
6275 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
6276 (no_conflict_move_test): Update comments.
6278 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6280 * doc/install.texi: Update URL for Jacks.
6281 * doc/sourcebuild.texi: Likewise.
6283 2005-09-22 David Edelsohn <edelsohn@gnu.org>
6286 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
6287 registers when choosing register preferences.
6288 (movdf_hardfloat64): Same.
6290 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
6292 * expmed.c (expand_shift): Don't use the target of the rotate as
6293 target for the first expanded shift insn.
6294 * testsuite/gcc.dg/20050922-1.c: Testcase added.
6296 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
6298 PR tree-optimization/22438
6299 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
6300 preserved iv rhs rewriting specially.
6302 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
6304 * tree-data-ref.c (analyze_array_indexes): Only estimate when
6305 estimate_only is true.
6306 * tree-flow.h (ref_contains_indirect_ref): New prototype.
6307 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
6308 tree-ssa-structalias.c
6309 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
6310 ref_contains_indirect_ref.
6311 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
6313 2005-09-21 DJ Delorie <dj@redhat.com>
6315 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
6317 (mn10300_return_in_memory): Support variable size types also.
6318 (mn10300_pass_by_reference): Likewise.
6319 (mn10300_function_value): New.
6320 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
6321 (FUNCTION_OUTGOING_VALUE): Likewise.
6322 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
6323 * doc/invoke.texi: Document it.
6325 2005-09-21 Uros Bizjak <uros@kss-loka.si>
6328 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
6329 force integer op1 into register for XFmode compares.
6331 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6334 * expmed.c (alg_code): Add alg_impossible.
6335 (alg_hash_entry): Add cost.
6336 (synth_mult): Record alg_impossible in the hash table if
6337 multiplication by a given integer is impossble within the
6338 limit. Speed up using alg_impossible.
6340 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
6342 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
6343 argument. Allow and set any offset if needs_anyoffset is passed
6345 (get_constraint_for): Add argument here too.
6347 (do_structure_copy): Pass NULL to get_constraint_for.
6348 (handle_ptr_arith): Ditto.
6349 (find_func_aliases): Ditto.
6351 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
6353 PR rtl-optimization/23898
6354 * output.h (get_attr_min_length): Declare.
6355 * final.c (get_attr_length_1): New function, broken out of:
6357 (get_attr_min_length): New function.
6358 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
6359 (duplicate_computed_gotos): Likewise.
6360 * genattr.c (insn_min_length): Generate declaration.
6361 * genattrtab.c (min_fn, min_attr_value): New functions.
6362 (make_length_attrs): Generate insn_min_length.
6364 2005-09-20 Steve Ellcey <sje@cup.hp.com>
6366 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
6368 2005-09-20 Richard Henderson <rth@redhat.com>
6370 PR tree-optimization/24059
6371 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
6374 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
6376 * c.opt (fextended-identifiers): New.
6377 * c-opts.c (c_common_handle_option): Handle
6378 -fextended-identifiers.
6379 * doc/cpp.texi: Update documentation of extended identifiers.
6380 * doc/cppopts.texi (-fextended-identifiers): Document.
6382 2005-09-20 Jakub Jelinek <jakub@redhat.com>
6384 PR tree-optimization/23929
6385 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
6388 PR tree-optimization/23818
6389 * tree-stdarg.c (execute_optimize_stdarg): Call
6390 calculate_dominance_info.
6392 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
6394 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
6395 (analyze_siv_subscript_cst_affine): Add weak SIV test.
6396 (compute_overlap_steps_for_affine_1_2): Use
6397 get_number_of_iters_for_loop.
6398 (analyze_subscript_affine_affine): Check whether difference is
6400 Use get_number_of_iters_for_loop.
6401 Check whether overlap occurs outside of bounds.
6402 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
6404 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
6406 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
6407 base register if possible.
6409 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
6411 PR tree-optimization/18463
6412 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
6413 converting it directly is not possible.
6414 (chrec_convert_aggressive): New function.
6415 * tree-chrec.h (chrec_convert_aggressive): Declare.
6416 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
6417 Fold chrec conversions aggressively if asked to.
6418 (instantiate_parameters): Modified because of changes in
6419 instantiate_parameters_1.
6421 2005-09-19 Richard Henderson <rth@redhat.com>
6423 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
6424 (reduc_splus_v2df): New.
6426 2005-09-19 Richard Sandiford <richard@codesourcery.com>
6428 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
6429 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
6431 2005-09-19 Richard Henderson <rth@redhat.com>
6433 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
6436 2005-09-19 Richard Henderson <rth@redhat.com>
6438 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
6439 (ia64_expand_dot_prod_v8qi): New.
6440 * config/ia64/ia64-protos.h: Update.
6441 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
6442 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
6443 sdot_prodv8qi, sdot_prodv4hi): New.
6444 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
6446 2005-09-19 Richard Henderson <rth@redhat.com>
6449 * real.c (exact_real_truncate): Return false if the format cannot
6450 represent the number as a normal.
6452 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6453 for a memory source.
6455 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
6457 * tree-ssa-operands.c (swap_tree_operands): Export.
6458 * tree.h (swap_tree_operands): Declare.
6459 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6460 Call swap_tree_operands.
6462 2005-09-19 Richard Henderson <rth@redhat.com>
6464 * tree-flow.h (merge_alias_info): Declare.
6465 * tree-ssa-copy.c (merge_alias_info): Export.
6466 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6467 (vect_create_data_ref_ptr): Use create_iv directly.
6468 (vectorizable_load): Use correct types for integer constants.
6469 (vect_generate_tmps_on_preheader): Likewise.
6470 (vect_gen_niters_for_prolog_loop): Likewise.
6472 2005-09-19 Steven Bosscher <stevenb@suse.de>
6474 PR rtl-optimization/23943
6475 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6477 2005-09-18 Jan Hubicka <jh@suse.cz>
6479 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6481 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
6483 * varasm.c (output_constant): Do not abort on conversions to union
6484 types between different sizes.
6486 2005-09-18 Richard Guenther <rguenther@suse.de>
6489 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6492 2005-09-18 Paul Brook <paul@codesourcery.com>
6494 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6496 2005-09-17 Richard Henderson <rth@redhat.com>
6498 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6499 * tree-ssa-loop.c (pass_vect_dce): Remove.
6500 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6503 2005-09-17 Richard Henderson <rth@redhat.com>
6505 * tree-pass.h (pass_vect_dce): Declare.
6506 * passes.c (init_optimization_passes): Add it.
6507 * tree-flow.h (tree_ssa_dce): Declare.
6508 * tree-ssa-dce.c (tree_ssa_dce): Export.
6509 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6510 (gate_tree_vectorize): ... here.
6511 (pass_vect_dce): New.
6513 2005-09-17 Jan Hubicka <jh@suse.cz>
6515 * except.c (struct eh_status): Turn region_array into vec.
6516 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6517 convert_from_eh_region_ranges, find_exception_handler_labels,
6518 current_function_has_exception_handlers, assign_filter_values,
6519 build_post_landing_pads, dw2_build_landing_pads,
6520 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6521 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6522 foreach_reachable_handler, can_throw_internal_1,
6523 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6525 (duplicate_eh_region_1): Update region_array.
6526 (duplicate_eh_regions): Resize region_array and avoid recomputing.
6528 2005-09-17 David Edelsohn <edelsohn@gnu.org>
6531 * expmed.c (expand_mult): Substitute simple register for op0 when
6534 2005-09-17 Richard Henderson <rth@redhat.com>
6536 * expr.c (emit_move_via_integer): Add force argument, pass it on
6537 to emit_move_change_mode. Update callers.
6538 (emit_move_complex): Pass true to new force argument.
6539 * function.c (expand_function_end): Move expand_eh_return call
6540 earlier. Merge sub-word complex values into a pseudo before
6541 copying to the return hard register.
6543 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
6545 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6546 between different sizes.
6548 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
6552 * passes.c (init_optimization_passes): Register dump files for
6555 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
6557 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6558 * config/s390/s390.c (s390_overlap_p): New function.
6559 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6560 peephole2, "*xc" peephole2): Added overlap check to the peephole2
6563 2005-09-16 Richard Guenther <rguenther@suse.de>
6565 * ipa-pure-const.c (static_execute): Free auxiliar information.
6566 * ipa-type-escape.c (discover_unique_type): Free temporary key.
6567 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6569 2005-09-15 DJ Delorie <dj@redhat.com>
6571 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6573 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
6575 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6577 (swap_commutative_operands_with_target): New.
6579 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
6581 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6584 (estimate_iters_using_array): New function.
6585 * tree-data-ref.h (estimate_iters_using_array): Prototype
6586 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6587 Use estimate_iters_using_array instead of analyze_array.
6589 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
6591 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6594 2005-09-15 Michael Matz <matz@suse.de>
6596 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6598 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
6600 PR tree-optimization/23835
6601 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6602 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6604 2005-09-14 Richard Henderson <rth@redhat.com>
6606 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6607 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6609 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
6611 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6612 in the ARRAY_TYPE case.
6614 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
6616 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6618 2005-09-14 Uros Bizjak <uros@kss-loka.si>
6621 * tree-vect-transform.c (vectorizable_operation): Return false for
6622 scalar shift operations and for vector shift operations with
6623 non-invariant shift arguments. Use scalar tree operand op1 as
6624 a shift operand when vector shift insn pattern uses scalar shift
6626 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6628 2005-09-14 Olivier Hainque <hainque@adacore.com>
6630 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6631 value if it has side-effects.
6633 2005-09-14 David Edelsohn <edelsohn@gnu.org>
6636 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6638 2005-09-14 Alan Modra <amodra@bigpond.net.au>
6640 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6641 passed as NAME as if it were label at start of function code.
6643 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
6645 * config/sh/sh.md (*movv4sf_i): Add general register cases to
6648 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6650 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6651 as early clobber. Rewrite so the PIC register is not implicitly used.
6653 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6655 * tree.c (annotate_with_file_line): Compare line numbers before
6658 2005-09-13 Uros Bizjak <uros@kss-loka.si>
6661 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6662 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6664 2005-09-13 Ian Lance Taylor <ian@airs.com>
6666 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6667 than a HOST_WIDEST_INT to gen_doloop_begin.
6669 2005-09-13 Diego Novillo <dnovillo@redhat.com>
6671 * tree-dfa.c (dump_variable): Guard against NULL annotations.
6673 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
6675 PR tree-optimize/23817
6676 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6678 2005-09-13 Alan Modra <amodra@bigpond.net.au>
6681 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6682 word before changing the stack pointer. Use gen_frame_mem for MEMs.
6683 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6684 (restore_stack_nonlocal): Likewise.
6685 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6687 2005-09-12 Ian Lance Taylor <ian@airs.com>
6690 * c.opt (ffriend-injection): New C++ option.
6691 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6692 (C++ Dialect Options): Document -ffriend-injection.
6694 2005-09-12 Josh Conner <jconner@apple.com>
6697 * ipa-reference.c (static_execute): Don't mark variables in
6698 named sections TREE_READONLY.
6700 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6702 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6705 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6707 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6708 V_MUST_DEF instead of just the first_use_p.
6709 Don't mark the virtual variables for renaming on the statement which
6711 (pass_dse): Remove TODO_update_ssa.
6713 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
6716 * stor-layout.c (compute_record_mode): For records with a single
6717 field, actually check the field's mode size against the type size.
6719 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6720 registers for TARGET_SHMEDIA.
6721 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6722 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
6723 of GENERAL_REGS and FP_REGS.
6725 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
6727 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6729 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6731 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6732 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6733 are omitted. Exclude stack_tie insn too.
6735 2005-09-11 David Edelsohn <edelsohn@gnu.org>
6737 PR rtl-optimization/23098
6738 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6740 * config/rs6000/rs6000.md (movdf splitter): Use
6741 const_double_operand predicate for TARGET_POWERPC64.
6742 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6743 SYMBOL_REF method to ABI_V4.
6745 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6746 replace_equiv_address.
6747 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6748 rs6000_sr_alias_set and MEM_NOTRAP.
6749 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6751 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
6753 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6754 handle CALL_EXPR again.
6756 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
6758 * arm/predicates.md (alignable_memory_operand): Delete.
6760 2005-09-10 Richard Henderson <rth@redhat.com>
6763 * dbxout.c (dbxout_expand_expr): New.
6764 (dbxout_symbol): Use it.
6766 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
6768 * arm.c (arm_gen_rotated_half_load): Delete.
6769 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6770 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6771 (thumb_set_return_address): Likewise.
6772 (thumb_load_double_from_address): Use adjust_address.
6773 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6774 (extendhsisi2_mem, movhi_bytes): Use change_address.
6775 (movhi): Use widen_memory_access.
6776 (reload_out_df): Use replace_equiv_address.
6777 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6779 2005-09-09 Richard Henderson <rth@redhat.com>
6782 * dbxout.c: Include expr.h.
6783 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6784 (dbxout_symbol): Handle DECL_VALUE_EXPR.
6785 * Makefile.in (dbxout.o): Add EXPR_H.
6787 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
6789 PR tree-optimization/23509
6790 * tree-cfg.c (replace_uses_by): Use replace_exp.
6791 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6792 pointers have name_mem_tag or type_mem_tag set.
6794 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6796 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6797 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6798 of wrongly accessing operands.
6800 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6802 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6803 * tree-chrec.c: Include tree-scalar-evolution.h.
6804 (chrec_convert): Instantiate the base and step before calling
6805 scev_probably_wraps_p that would fail on parametric evolutions.
6806 Collect all the fails into a single section failed_to_convert,
6807 print a diagnostic, and return chrec_dont_know instead of calling
6809 * tree-scalar-evolution.c (loop_closed_phi_def): New.
6810 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6812 (scev_const_prop): Don't replace the definition of a loop closed ssa
6813 phi node by itself, or by another loop closed ssa phi node.
6814 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6815 that base and step are defined.
6817 2005-09-09 Richard Guenther <rguenther@suse.de>
6820 * fold-const.c (fold_ternary): Check truth_value_p before
6821 calling invert_truthvalue.
6823 2005-09-09 Nick Clifton <nickc@redhat.com>
6825 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6826 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6827 dimension of these arrays.
6828 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6830 * longlong.h: Only provide a prototype for the __clz_tab[] array
6831 if this header has not been included from libgcc2.h.
6832 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6834 Provide prototypes for exported functions.
6835 Use the __clz_tab[] and __popcount_tab[] arrays provided by
6838 2005-09-08 Josh Conner <jconner@apple.com>
6842 * expr.c (expand_expr_addr_expr_1): Don't invoke
6843 expand_simple_binop for EXPAND_INITIALIZER.
6845 2005-09-08 Richard Henderson <rth@redhat.com>
6848 * toplev.c (wrapup_global_declaration_1): Split out ...
6849 (wrapup_global_declaration_2): ... from ...
6850 (wrapup_global_declarations): ... here. Return bool.
6851 (check_global_declaration_1): Split out ...
6852 (check_global_declarations): from here.
6853 (emit_debug_global_declarations): New.
6854 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6855 check_global_declaration_1, emit_debug_global_declarations): Declare.
6856 * c-decl.c (c_write_global_declarations_1): Don't create a vector
6857 of decls. Call wrapup_global_declaration_1,
6858 wrapup_global_declaration_2, check_global_declaration_1 directly.
6859 (c_write_global_declarations_2): New.
6861 (c_write_global_declarations): Call c_write_global_declarations_2.
6862 * langhooks.c (write_global_declarations): Call
6863 emit_debug_global_declarations.
6865 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6866 remove decls that have DECL_RTL_SET_P.
6867 * passes.c (rest_of_decl_compilation): Invoke
6868 cgraph_varpool_finalize_decl for all but functions.
6870 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
6872 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6873 the result of a conversion if the new min and max cannot be compared.
6875 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
6877 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6878 (override_options): Setting s390_sr_alias_set removed.
6879 (save_fpr, save_gprs): Set alias set to vararg or frame.
6880 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6881 s390_sr_alias_set with get_frame_alias_set ().
6882 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6883 get_varargs_alias_set ().
6885 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6889 * c-parser.c (c_parser_objc_method_definition): If the next
6890 token is not "{", error out and don't start the function.
6892 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6894 * tree-vrp.c (extract_range_from_expr): Move the check for non
6895 nullness after the check for gimple invariant.
6897 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6899 * tree.c (host_integerp, tree_low_cst): Correct function comment.
6901 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6904 * config/m32r.md (movmemsi_internal): Canonicalize order of
6905 operands in PLUS component of template.
6907 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
6909 * reload1.c (fixup_eh_region_note): Remove assertion.
6910 (fixup_abnormal_edges): Reverted removal of call to
6911 find_many_sub_basic_blocks made on 2005-08-31.
6913 2005-09-07 Richard Henderson <rth@redhat.com>
6915 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6916 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6917 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6918 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6919 rearrange for better packing.
6920 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6921 (lookup_cfa_1): Remove inline marker.
6922 (cfa_equal_p): Split out of ...
6923 (def_cfa_1): ... here. Use INVALID_REGNUM.
6924 (build_cfa_loc): Handle !cfa->indirect.
6925 (frame_pointer_cfa_offset): New.
6926 (dbx_reg_number): Assert register elimination performed; do
6927 leaf register remapping.
6928 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6929 (eliminate_reg_to_offset): New.
6930 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
6931 for verifiably local stack frame addresses; re-base to CFA.
6932 (mem_loc_descriptor): Remove can_use_fbreg argument.
6933 (concat_loc_descriptor, loc_descriptor): Likewise.
6934 (containing_function_has_frame_base): Remove.
6935 (rtl_for_decl_location): Don't do register elimination or
6936 leaf register remapping here.
6937 (secname_for_decl): Split out from ..
6938 (add_location_or_const_value_attribute): ... here.
6939 (convert_cfa_to_loc_list): New.
6940 (compute_frame_pointer_to_cfa_displacement): New.
6941 (gen_subprogram_die): Use them.
6942 * tree.h (frame_base_decl): Remove.
6943 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6944 (prologue_stack_adjust): Remove.
6945 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6946 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6947 (set_frame_base_location): Remove.
6948 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6949 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6950 (vt_add_function_parameters): Don't eliminate_regs.
6951 (vt_initialize): Don't create frame_base_decl.
6953 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6955 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6956 version of GNU binutils for 4.x and later.
6958 2005-09-06 Mark Mitchell <mark@codesourcery.com>
6960 * ggc-page.c (ggc_push_context): Remove.
6961 (ggc_pop_context): Likewise.
6962 * ggc.h (ggc_push_context): Remove.
6963 (ggc_pop_context): Likewise.
6965 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6968 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6969 returning from an interrupt handler.
6971 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6974 * config/arc/arc.c (output_shift): Add check for loop count when
6977 2005-09-06 Steven Bosscher <stevenb@suse.de>
6979 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6981 (abs_replacement): Likewise.
6982 (pass_phiopt): Remove TODO_update_ssa.
6984 2005-09-06 Jakub Jelinek <jakub@redhat.com>
6987 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6988 if "return with no value, in function returning non-void" warning
6990 * tree-cfg.c (execute_warn_function_return): Don't look at
6991 RETURN_EXPRs with TREE_NO_WARNING set.
6994 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6995 for internal functions doesn't use registers used by global registers
6996 variables. Use fewer register parameters if there are global register
6999 2005-09-06 Olivier Hainque <hainque@adacore.com>
7000 Eric Botcazou <ebotcazou@adacore.com>
7003 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
7004 when we would be extracting outside its bit span (bitpos+bitsize
7005 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
7006 Ada unchecked conversions.
7008 2005-09-06 Steven Bosscher <stevenb@suse.de>
7010 * tree-ssa-pre.c (try_look_through_load): New function.
7011 (compute_avail): Use it to try to look through loads for some
7012 more useful expressions.
7014 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
7016 * simplify-rtx.c (simplify_binary_operation_1): Correct the
7017 condition for detecting cases like (a&a) and (a^a).
7019 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
7021 * common.opt: Add option ftree-vect-loop-version.
7022 * params.def: Add --param vect-max-version-checks.
7023 * doc/invoke.texi: Document ftree-vect-loop-version and
7024 --param vect-max-version-checks.
7025 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
7026 may_misalign_stmts and defines for accessors.
7027 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
7028 LOOP_VINFO_MAY_MISALIGN_STMTS.
7029 (destroy_loop_vec_info): VEC_free for
7030 LOOP_VINFO_MAY_MISALIGN_STMTS.
7031 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7032 Update documentation.
7033 (vect_update_misalignment_for_peel): New.
7034 (vect_enhance_data_refs_alignment): Update to choose loop
7035 peeling or loop versioning if appropriate for the (potentially)
7036 unaligned data references in the loop.
7037 (vect_analyze_data_refs_alignment): Remove call to
7038 vect_enhance_data_refs_alignment so the checks can be done
7040 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
7041 and move up call to vect_analyze_data_refs_alignment.
7042 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
7043 (vect_transform_loop): Add call to loop_version.
7045 2005-09-06 Jakub Jelinek <jakub@redhat.com>
7047 PR rtl-optimization/23098
7048 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
7049 * simplify-rtx.c (constant_pool_reference_p): New function.
7050 * rtl.h (constant_pool_reference_p): New prototype.
7051 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
7052 constant_pool_reference_p in condition and
7053 avoid_constant_pool_reference in preparation statements.
7055 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
7057 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
7058 STRICT_LOW_PART SETs.
7060 2005-09-06 Alan Modra <amodra@bigpond.net.au>
7063 * except.c (sjlj_emit_function_enter): Find the function begin
7064 note even when it's not in first basic block.
7066 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
7068 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
7069 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
7070 * aclocal.m4: Regenerate.
7072 2005-09-05 DJ Delorie <dj@redhat.com>
7074 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
7077 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
7079 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
7080 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
7081 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
7082 Follow spelling conventions.
7083 * doc/invoke.texi: Follow spelling conventions.
7085 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
7087 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
7088 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
7089 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
7091 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
7094 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
7095 (output_stack_adjust): Use gen_tmp_stack_mem.
7096 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
7097 (sh_set_return_address, sh_allocate_initial_value): Likewise.
7098 (sh_get_pr_initial_val): Likewise.
7099 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
7100 (sh_initialize_trampoline): Likewise. Also use adjust_address.
7101 * sh.md (divsi_inv_m0): Use gen_const_mem.
7102 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
7103 (movdf_i4+1): Use gen_tmp_stack_mem.
7104 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
7105 (fpu_switch+2): Likewise.
7106 (movv4sf_i, movv16sf_i): Use adjust_address.
7107 (symGOT_load): Set MEM_NOTRAP_P bit.
7109 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7112 * pa.c (emit_move_sequence): Fix typo in last change.
7114 2005-09-03 Jakub Jelinek <jakub@redhat.com>
7116 PR rtl-optimization/23454
7117 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
7120 2005-09-03 Richard Henderson <rth@redhat.com>
7121 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7124 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
7127 2005-09-02 Nicolas Pitre <nico@cam.org>
7129 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
7130 to bit_count to 32 bits.
7132 2005-08-31 Mark Mitchell <mark@codesourcery.com>
7135 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
7136 generating synthetic loads from volatile lvalues.
7138 005-09-02 Nick Clifton <nickc@redhat.com>
7140 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
7141 __ctzhi2, __clzhi2): New functions.
7143 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
7146 * tree-nested.c (struct var_map_elt): Mark with GTY.
7147 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
7149 (lookup_field_for_decl): Allocate new element in GC memory.
7150 (lookup_tramp_for_decl): Likewise.
7151 (convert_nl_goto_reference): Likewise
7152 (create_nesting_tree): Allocate info in GC memory. Likewise for
7154 (free_nesting_tree): Free with ggc_free instead of free.
7155 (root): New static variable.
7156 (lower_nested_functions): Remove root as local variable. And zero out
7157 root at the end of the function.
7159 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
7161 PR rtl-optimization/20365
7162 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
7163 to short. New member ix.
7164 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
7165 (simplify_plus_minus): Initialize ix members before calling qsort.
7167 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
7169 PR tree-optimization/23626
7170 * tree-cfg.c (replace_uses_by): Clean up eh info.
7172 2005-09-01 DJ Delorie <dj@redhat.com>
7174 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
7177 2005-09-01 David Edelsohn <edelsohn@gnu.org>
7179 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
7180 (rs6000_split_multireg_move): Use replace_equiv_address instead of
7183 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
7185 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
7186 do not issue warning for a variable definition following
7189 2005-09-01 Richard Henderson <rth@redhat.com>
7192 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
7193 conversion to CONST_VECTOR.
7195 2005-09-01 Richard Henderson <rth@redhat.com>
7198 * reload1.c (reload_as_needed): Check !CALL_P before calling
7199 fixup_eh_region_note.
7200 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
7202 2005-09-01 DJ Delorie <dj@redhat.com>
7204 * varasm.c (output_constant): Let the target resolve
7205 conversions of addresses to non-default pointer sizes.
7207 2005-09-01 Nicolas Pitre <nico@cam.org>
7209 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
7210 to alow matching ARM pre-indexed addressing mode.
7211 (arm_override_options): Remove now irrelevant comment.
7213 2005-09-01 Phil Edwards <phil@codesourcery.com>
7215 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
7216 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
7217 * config/i386/vxworks.h: Likewise.
7218 * config/i386/t-vxworksae: New file, for VxWorks AE.
7219 * config/i386/vxworksae.h: Likewise.
7221 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
7223 PR tree-optimization/23410
7224 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
7225 sequence is not wrapping during the first step.
7227 2005-09-01 Jakub Jelinek <jakub@redhat.com>
7230 * dwarf2out.c (base_type_die): Compare char_type_node with
7231 TYPE_MAIN_VARIANT (type), not type.
7233 2005-09-01 Richard Guenther <rguenther@suse.de>
7235 PR tree-optimization/15366
7236 * common.opt: Add -finline-functions-called-once.
7237 Put -fearly-inlining in alphabetically ordered place.
7238 * doc/invoke.texi: Document new option.
7239 * ipa-inline.c (cgraph_decide_inlining): Honour
7240 flag_inline_functions_called_once.
7242 2005-09-01 Jakub Jelinek <jakub@redhat.com>
7244 PR rtl-optimization/23478
7245 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
7246 (alloc_qty): Initialize it.
7247 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
7248 (combine_regs): Combine also n_throwing_calls_crossed fields.
7249 (find_free_reg): Don't attempt to caller-save pseudos crossing
7250 calls that might throw.
7251 * global.c (struct allocno): Add throwing_calls_crossed field.
7252 (global_alloc): Revert 2005-08-22 change. Initialize
7253 throwing_calls_crossed.
7254 (find_reg): Don't attempt to caller-save pseudos crossing calls that
7257 2005-09-01 Alan Modra <amodra@bigpond.net.au>
7260 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
7261 (mask64_operand): Reinstate code prior to 2005-06-11 change.
7262 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
7263 (and64_2_operand): Tweak to use predicate.
7264 (and_operand): Adjust for mask_operand changes.
7265 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
7266 (print_operand): Likewise.
7267 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
7268 (mask64_1or2_operand): Delete.
7269 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
7270 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
7271 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
7272 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
7273 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
7274 (rotldi3_internal4): Likewise.
7275 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
7276 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
7277 (ashldi3_internal7): Likewise.
7278 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
7279 (ashldi3_internal, ashldi3_internal9 split): Likewise.
7280 (anddi3 split): Don't match mask64_operand.
7281 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
7282 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
7283 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
7284 't' splitter predicate.
7285 (movdi_internal64 + 2): Revert 2005-06-11 change.
7287 2005-08-31 DJ Delorie <dj@redhat.com>
7289 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
7290 (m32c_asm_integer): Add support for 32 bit pointers.
7292 2005-08-31 Richard Henderson <rth@redhat.com>
7294 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
7295 component-like references for setting MEM_NOTRAP_P.
7297 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
7298 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
7300 2005-08-31 Richard Henderson <rth@redhat.com>
7302 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
7303 into a pseudo before applying gen_lowpart.
7305 2005-08-31 Geoffrey Keating <geoffk@apple.com>
7307 * doc/install.texi (Specific): Update cctools version required
7308 for full functionality.
7309 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
7310 linkers as -macosx_version_min.
7312 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
7315 * sh.c (print_operand, %R and %S): Add handling of floating point
7316 registers, memory, constants and invalid operands.
7318 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
7320 * ipa-pure-const.c: Change dump name.
7322 2005-08-31 Uros Bizjak <uros@kss-loka.si>
7325 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
7326 to "reg_or_0_operand".
7327 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
7329 2005-08-31 Dale Johannesen <dalej@apple.com>
7331 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
7332 loops that count down.
7334 2005-08-31 Richard Henderson <rth@redhat.com>
7337 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
7338 (fixup_eh_region_note): New.
7339 (reload_as_needed): Call it.
7340 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
7341 don't call find_many_sub_basic_blocks; call verify_flow_info.
7342 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
7343 (keep_stack_depressed): Likewise.
7344 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
7346 2005-08-31 Richard Henderson <rth@redhat.com>
7348 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
7351 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
7353 * expr.c (expand_expr_real_1): Compare size of address
7354 mode to target's address mode size in deciding expansion of
7355 the constant address.
7357 2005-08-31 Richard Guenther <rguenther@suse.de>
7360 * expr.c (all_zeros_p): New function.
7361 (expand_expr_real_1): Handle the case of an all-zero
7362 non-addressable constructor separately.
7364 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
7366 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
7367 arguments, adjust all callers.
7368 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
7370 2005-08-30 Richard Henderson <rth@redhat.com>
7373 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
7374 whenever the mode sizes match.
7376 2005-08-31 Alan Modra <amodra@bigpond.net.au>
7378 * calls.c (load_register_parameters): Fix comment typo.
7379 * expr.c (emit_push_insn): Comment formatting.
7381 2005-08-30 Ian Lance Taylor <ian@airs.com>
7383 * config/i386/x-cygwin (host-cygwin): Change dependency from
7384 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
7386 2005-08-29 Geoffrey Keating <geoffk@apple.com>
7388 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
7391 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7394 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
7395 call to ggc_collect.
7397 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
7400 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
7401 beginning. Remove $(INCLUDES) from all the rules, if following
7402 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
7404 2005-08-29 Jakub Jelinek <jakub@redhat.com>
7407 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
7408 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
7409 not constant, but maxlen is, don't set len to maxlen, rather
7410 set maxlen to len if len is a constant.
7412 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
7414 PR tree-optimization/23475
7415 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
7418 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
7420 Fix PR middle-end/22455
7422 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
7423 Checksum only the parts of the tree that exist for the tree code.
7425 2005-08-28 Dale Johannesen <dalej@apple.com>
7427 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
7429 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
7431 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
7433 2005-08-28 Richard Henderson <rth@redhat.com>
7435 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
7436 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
7439 2005-08-28 Jakub Jelinek <jakub@redhat.com>
7442 * builtins.c (get_memory_rtx): Don't strip nops
7443 in between COMPONENT_REFs.
7445 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
7448 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
7450 (gimplify_modify_expr): Check for zero sized types and gimplify the
7451 rhs and lhs as statements.
7453 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
7456 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7457 state for return address column of signal frames.
7459 2005-08-27 David Edelsohn <edelsohn@gnu.org>
7462 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7463 bytes >= 2 not bytes == 2.
7464 (expand_block_move): Same.
7466 2005-08-27 Richard Guenther <rguenther@suse.de>
7469 * config/i386/sse.md (sse2_movsd): Add missing closing
7472 2005-08-27 Paul Brook <paul@codesourcery.com>
7474 * genrecog.c (enum decision_type): Add DT_num_insns.
7475 (struct decision_test): Add u.num_insns.
7476 (add_to_sequence): Add DT_num_insns test.
7477 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7478 (write_cond, debug_decision_2): Ditto.
7479 (change_state): Assume peep2_next_insn never fails.
7480 Remove "afterward" argument.
7481 (write afterward, write_tree): Update to match.
7482 * recog.c (peep2_current_count): New variable.
7483 (peep2_next_insn): Check it.
7484 (peephole2_optimize): Set peep2_current_count.
7485 * recog.h (peep2_current_count): Declare.
7487 2005-08-26 Josh Conner <jconner@apple.com>
7490 * ipa-pure-const.c (check_tree): Check for volatile-ness
7491 when considering a dereference.
7493 2005-08-27 Jakub Jelinek <jakub@redhat.com>
7495 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7497 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7499 PR rtl-optimization/23561
7500 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
7501 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7502 at most LEN bytes long memory fits into the field.
7503 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7504 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7505 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7507 2005-08-26 Richard Henderson <rth@redhat.com>
7510 * loop.c (biased_biv_may_wrap_p): New.
7511 (maybe_eliminate_biv_1): Use it to suppress non-equality
7512 comparison transformations. Delete disabled code.
7514 2005-08-26 Ian Lance Taylor <ian@airs.com>
7516 * combine.c (make_extraction): Avoid reference outside object.
7518 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
7520 * stor-layout.c (finalize_type_size): Restore behaviour for
7521 non-aggregate types to the status quo ante of the patch for
7522 pr 23467. Document why it matters.
7524 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7527 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7528 array by one element, initialize the BT_LAST element with NULL.
7530 2005-08-26 David Edelsohn <edelsohn@gnu.org>
7532 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7533 optimizing for size.
7535 (compare_plus_eqsi): Same.
7536 (plus_eqsi_compare): Same.
7537 (neg_eq0<mode>): Same.
7538 (neg_eq<mode>): Same.
7540 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7543 2005-08-26 Nick Clifton <nickc@redhat.com>
7545 * config/v850/v850.c (ep_memory_operand): Return FALSE if
7546 TARGET_EP is not defined.
7547 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7548 TARGET_EP is enabled.
7549 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7550 * config/v850/v850.md (save_all_interrupt): Only use the EP
7551 register if TARGET_EP is defined.
7552 (restore_all_interrupt): Likewise.
7553 * config/v850/lib1funcs.asm: Update functions so that the EP
7554 register is only used if __EP__ is defined.
7556 2005-08-26 David Ung <davidu@mips.com>
7558 * config/mips/mips.c (mips_expand_prologue): Handle case when
7559 generating for MIPS16 and the outgoing argument area is more than
7560 SMALL_OPERAND. Use the frame pointer as temporary to generate the
7563 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
7565 * config/crx/crx.md: Make doloop_end pattern usage controllable
7566 via mloop-nesting=<max-nesting> command line switch. Make sure
7567 the combiner cannot use doloop_end_<mode> in an illegal way.
7568 * config/crx/crx.c: Use regs up to r6 for argument passing.
7569 Refine crx_address_cost (non cst4 displacements are expensive).
7570 * config/crx/crx.opt: Add switch for mloop-nesting=.
7572 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
7574 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7575 (UNSPEC_MVST): New constant.
7577 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
7579 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7580 Reject operands containing eliminable registers.
7581 * testsuite/gcc.dg/20050825-1.c: New testcase.
7583 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7584 Jan Hubicka <jh@suse.cz>
7586 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7588 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7590 PR tree-optimization/23546
7591 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7594 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
7596 * params.def (PARAM_MIN_SPEC_PROB): New.
7597 * sched-rgn.c (MIN_PROBABILITY): Delete.
7598 (compute_trg_info): Convert to PARAM_VALUE.
7599 * doc/invoke.texi (param): Document min-spec-prob.
7601 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
7603 * config/darwin.h: define __PIC__
7604 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7605 TARGET_OS_CPP_BUILTINS macro.
7607 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7609 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7612 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7614 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7616 * cfghooks.c (duplicate_block): Added position where to place
7617 new block as argument.
7618 * cfghooks.h (duplicate_block): Declaration changed.
7619 * cfglayout.c (copy_bbs): Add argument after. Pass it to
7621 * cfglayout.h (copy_bbs): Declaration changed.
7622 * cfgloop.h (loop_version): Declaration changed.
7623 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7624 position to copy_bbs.
7625 (loop_version): Pass position to duplicate_loop_to_header_edge.
7626 Add place_after argument and position new blocks according to
7628 * modulo-sched.c (sms_schedule): Pass place_after argument
7630 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7631 * tree-cfg.c (split_edge_bb_loc): New function.
7632 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7633 to determine position of new blocks.
7634 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7636 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7637 argument to duplicate_block.
7638 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7639 Pass position to copy_bbs.
7641 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7643 * fold-const.c (ptr_difference_const): Use
7644 cst_and_fits_in_hwi instead of host_integerp.
7646 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7648 * config/darwin.c (gen_pic_offset): New.
7649 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
7652 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
7654 PR tree-optimization/23486
7655 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7657 2005-08-23 Phil Edwards <phil@codesourcery.com>
7659 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
7660 remove use_collect2.
7661 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
7663 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
7664 configuration files to override the default value.
7666 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
7667 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7668 * config/vx-common.h: New file, split out from...
7669 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
7670 * config/vxworksae.h: New file, for VxWorks AE.
7671 * config/vxworks.opt: New file.
7672 * config/vxlib.c: Update for VxWorks 6.
7674 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
7675 other MULTILIB_* variables appropriately.
7676 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
7677 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
7678 * config/rs6000/vxworks.h: Update for VxWorks 6.
7679 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
7681 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
7684 * config/darwin.c (machopic_select_section): Remove the hack to
7685 mark "::operator new" and "::operator delete" for coalescing
7686 even though they are not weak.
7688 2005-08-24 Alan Modra <amodra@bigpond.net.au>
7690 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7691 * configure: Regenerate.
7693 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7696 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7698 * convert.c (convert_to_integer, convert_to_vector): Likewise.
7699 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7702 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7704 * config/rs6000/predicates.md (equality_operator): New.
7705 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7706 comparison with a large constant.
7708 2005-08-23 Mark Mitchell <mark@codesourcery.com>
7710 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7712 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
7714 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7715 registers is even, and we have a hardware double precision fp,
7717 (sh_gimplify_va_arg_expr): For floating point arguments, consider
7718 size of current argument when checking if argument was passed in
7721 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7724 * stor-layout.c (finalize_type_size): Dont override
7725 existing alignment with a smaller alignment from the mode.
7727 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7729 * lambda-code.c (lambda_vector_lexico_pos): Moved...
7730 * lambda.h (lambda_vector_lexico_pos): ... here.
7731 * tree-data-ref.c (build_classic_dist_vector): Return false when
7732 the distance vector is lexicographically negative.
7734 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7736 PR tree-optimization/23511
7737 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7738 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7740 2005-08-23 Jakub Jelinek <jakub@redhat.com>
7742 PR tree-optimization/22043
7743 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7744 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7745 If ALLOW_FLEXARR, handle types ending with flexible array member.
7746 Pass false as second argument to recursive count_type_elements calls.
7747 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7748 argument to count_type_elements call.
7749 * tree-sra.c (decide_block_copy): Likewise.
7750 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7751 for a constant-sized object, set cleared as well. Pass true as
7752 second argument to count_type_elements call.
7754 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7757 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7758 from legitimate_small_data_p, and make global. Update use.
7759 Remove forward declaration.
7760 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7762 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7764 2005-08-23 David Edelsohn <edelsohn@gnu.org>
7766 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7767 of scratch intermediates.
7768 (eq<mode>_compare): Same.
7769 (neg_eq0<mode>): New.
7770 (neg_eq<mode>): Convert to define_insn_and_split.
7772 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7775 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7776 stdarg functions, set/clear the fp marker even when no variable
7778 * config/rs6000/sysv4.opt (mprototype): Describe.
7780 2005-08-22 Jakub Jelinek <jakub@redhat.com>
7782 PR rtl-optimization/23478
7783 * regs.h (reg_info): Add throw_calls_crossed.
7784 (REG_N_THROWING_CALLS_CROSSED): Define.
7785 * flow.c (allocate_reg_life_data): Initialize
7786 REG_N_THROWING_CALLS_CROSSED.
7787 (propagate_one_insn, attempt_auto_inc): Update
7788 REG_N_THROWING_CALLS_CROSSED.
7789 * global.c (global_alloc): Don't allocate pseudos across
7790 calls that may throw.
7792 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
7795 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7796 value is inbetween the range if we did not find an exact match.
7798 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
7800 * doc/invoke.texi (Option Summary): Add ms1 options.
7801 * doc/extend.texi: Document interrupt handler attribute for ms1.
7802 * doc/md.texi: Document ms1 constraints.
7803 * config.gcc: Add ms1-*-elf.
7804 * config/ms1/ms1.h: New.
7805 * config/ms1/ms1.c: New.
7806 * config/ms1/ms1.md: New.
7807 * config/ms1/ms1-protos.h: New.
7808 * config/ms1/ABI.txt: New.
7809 * config/ms1/crti.asm: New.
7810 * config/ms1/crtn.asm: New.
7811 * config/ms1/lib2extra-funcs.c: New.
7812 * config/ms1/t-ms1: New.
7813 * config/ms1/ms1.opt: New.
7815 2005-08-22 Ira Rosen <irar@il.ibm.com>
7817 * config/rs6000/altivec.md (xorv4sf3): New.
7818 (negv4sf2, neg<mode>2): Likewise.
7820 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
7823 * config/ia64/ia64.md (divsi3): Check divide by zero.
7824 (udivsi3): Likewise.
7826 (udivdi3): Likewise.
7828 2005-08-21 Jakub Jelinek <jakub@redhat.com>
7830 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7831 up to elem_bitsize bits, not max_bitsize.
7833 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7835 PR tree-optimization/23433
7836 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7837 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7839 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7841 PR tree-optimization/23434
7842 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7843 the iteration bound is not an INTEGER_CST.
7845 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
7847 * tree-vect-transform.c (get_initial_def_for_reduction): Set
7848 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7849 NULL if need_epilog_adjust is false.
7850 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7851 Case 3 always peels first itration, not just for PLUS case, and no need
7852 to use scalar_initial_def here. Create an epilog adjustment only if
7853 scalar_initial_def is not NULL.
7855 (vectorizable_reduction): Remove assert.
7857 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
7860 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7861 (__moddi3): Likewise.
7862 (__udivdi3): Likewise.
7863 (__umoddi3): Likewise.
7864 (__divsi3): Likewise.
7865 (__modsi3): Likewise.
7866 (__udivsi3): Likewise.
7867 (__umodsi3): Likewise.
7869 2005-08-20 Jakub Jelinek <jakub@redhat.com>
7871 * tree-pass.h (TDF_GRAPH): Define.
7872 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7873 * passes.c (finish_optimization_passes): Only call
7874 finish_graph_dump_file if TDF_GRAPH is set.
7875 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7876 NULL. Set TDF_GRAPH bit.
7877 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7879 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
7881 * arm.h (arm_stack_offsets): Add locals_base field.
7882 * arm.c (arm_get_frame_offsets): Compute it.
7883 (thumb_compute_initial_elimination offset): Make the Thumb frame
7884 pointer point to the base of the local variables.
7885 (thumb_expand_prologue): Update accordingly.
7886 (thumb_expand_epilogue): Likewise.
7888 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
7889 mode of clobbered scratch to DImode. Handle a case that's known to
7892 2005-08-19 David Edelsohn <edelsohn@gnu.org>
7894 * config/rs6000/rs6000.md (gt0<mode>): Delete.
7895 (gt0<mode>_compare): Delete.
7896 (neg_gt0<mode>): Delete.
7898 2005-08-19 Eric Christopher <echristo@apple.com>
7900 * optabs.h: Change CTI_ to COI_.
7903 2005-08-19 James E Wilson <wilson@specifix.com>
7905 * builtins.c (expand_builtin_return_addr): Set
7906 current_function_accesses_prior_frames when count != 0. Use
7907 frame_pointer_rtx when count == 0.
7908 * function.h (struct function): Add accesses_prior_frames field.
7909 (current_function_accesses_prior_frames): Define.
7910 * reload1.c (init_elim_table): Check
7911 current_function_accesses_prior_frames.
7912 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7914 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7916 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7917 indicator. Return true if the flowgraph changed during
7920 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7923 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7924 conditional expression before testing its value.
7926 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7928 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7930 2005-08-19 Devang Patel <dpatel@apple.com>
7932 PR tree-optimization/23048
7933 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7934 third parameter. Check whether latch is dominated by exit
7936 (if_convertible_loop_p): Supply exit block itself to
7937 if_convertible_bb_p.
7939 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
7942 * arm.md (arm_load_pic_register): Change argument to the mask of
7943 saved registers. Call thumb_find_work_register if we need a
7944 scratch register on Thumb.
7945 (arm_expand_prologue): Pass empty register set to
7946 arm_load_pic_register.
7947 (thumb_expand_prologue): Pass live_regs_mask directly to
7948 arm_load_pic_register.
7949 * arm-protos.h (arm_load_pic_register): Update prototype.
7951 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
7953 * sh.c (find_sole_member): New function.
7954 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7955 if the record's alignment is larger than the size of its only member.
7957 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
7960 * arm.c (thumb_legitimize_reload_address): New function.
7961 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7962 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7964 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
7966 * config/crx/crx.c: Implement crx_decompose_address. Reject
7967 symbolic displacements since CRX register relative adressing
7968 mode can't handle unsigned 32-bit values as displacements.
7969 * config/crx/crx.h: Simplify definitions, remove redundant
7970 parenthesis and obsolete macros.
7971 * config/crx/crx.opt: Add new switch for debugging addresses.
7972 * config/crx/crx-protos.h: Add new declarations for above.
7974 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
7977 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7980 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7982 * collect2.c (dup2): Delete.
7983 * configure.ac: Don't check for dup2.
7985 * config.in, configure: Regenerate.
7987 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
7989 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7990 record with the type of its only member.
7992 2005-08-18 David Edelsohn <edelsohn@gnu.org>
7994 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7995 define_insn_and_split.
7996 (plus_ltu<mode>_compare): Same.
7997 (gtu<mode>_compare): Same.
7998 (plus_gtu<mode>_compare): Same.
8000 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
8002 PR tree-optimization/22228
8003 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
8005 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
8006 are recorded in vect_vnames_to_rename for renaming.
8007 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
8008 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
8009 in vect_vnames_to_rename.
8010 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
8011 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
8013 2005-08-18 Jan Hubicka <jh@suse.cz>
8016 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
8017 info only for local statics, not for member variables.
8019 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8021 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
8023 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8025 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
8027 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
8030 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
8032 2005-08-17 James E Wilson <wilson@specifix.com>
8034 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8037 2005-08-17 David Edelsohn <edelsohn@gnu.org>
8039 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
8040 (leu<mode>_compare): Same.
8041 (plus_leu<mode>): Same.
8042 (neg_leu<mode>): Same.
8043 (and_neg_leu<mode): Same.
8044 (ltu<mode>_compare): Same.
8045 (plus_ltu<mode>): Same.
8047 (geu<mode>_compare): Same.
8048 (plus_geu<mode>): Same.
8049 (neg_geu<mode>): Same.
8050 (and_neg_geu<mode>): Same.
8051 (plus_gt<mode>): Same.
8052 (gtu<mode>_compare): Same.
8053 (plus_gtu<mode>): Same.
8055 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
8057 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
8058 Move call_table_data to end. Delete spurious .text.
8059 (callt_save_all_interrupt): Fix comment typo.
8061 2005-08-17 James E Wilson <wilson@specifix.com>
8062 Kevin Winchester <winchester@amirix.com>
8065 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
8067 2005-08-17 Uros Bizjak <uros@kss-loka.si>
8070 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
8071 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
8073 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
8075 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
8076 record with the type of its only member if the modes don't match.
8078 * varasm.c (decode_reg_name): Skip empty additional register names.
8080 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8082 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
8083 lsm_tmp_name_length): New.
8084 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
8085 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
8087 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
8088 Andreas Krebbel <krebbel1@de.ibm.com>
8090 * config.gcc: Added z9-109 switch.
8091 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
8092 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
8093 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
8094 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
8095 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
8096 for "z9_109" cpu attribute.
8097 * config/s390/s390.c (z9_109_cost): New processor cost structure.
8098 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
8099 (s390_handle_arch_option): Added z9-109 switch.
8100 (override_options): Set respective cost function for z9-109.
8101 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
8102 (legitimate_reload_constant_p): Accept extended immediates.
8103 (print_operand): Three new output modifiers added: k, m and o.
8104 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
8105 (s390_output_mi_thunk): Use extended immediate when possible.
8106 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
8107 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
8108 (CONSTRAINT_LEN): Added length of O constraint.
8109 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
8110 * config/s390/s390.md ("cpu"): New value z9_109 added.
8111 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
8112 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
8113 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
8114 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
8115 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
8116 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
8117 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
8118 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
8119 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
8120 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8121 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
8122 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
8123 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
8124 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
8125 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
8127 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
8128 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
8129 insns for TARGET_EXTIMM.
8131 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
8133 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
8135 2005-08-17 Nick Clifton <nickc@redhat.com>
8137 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
8138 Call default_encode_section_info.
8140 2005-08-17 Steven Bosscher <stevenb@suse.de>
8142 PR tree-optimization/21574
8143 * tree-ssa-ccp.c (likely_value): If the right hand side is a
8144 constant, return CONSTANT.
8145 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
8146 (ccp_fold, visit_assignment): Likewise.
8147 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
8149 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
8151 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
8152 fold_buildN instead of buildN then fold_initializer or fold.
8153 (build_unary_op): Likewise.
8154 (build_binary_op): Likewise.
8155 * fold-const.c (fold_initializer): Remove.
8156 (fold_build1_initializer): New function.
8157 (fold_build2_initializer): New function.
8158 (fold_build3_initializer): New function.
8159 * tree.h (fold_initializer): Remove.
8160 (fold_build1_initializer): New function.
8161 (fold_build2_initializer): New function.
8162 (fold_build3_initializer): New function.
8164 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
8166 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
8167 (try_move_mult_to_index): Call fold_build2 instead of build2.
8168 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
8169 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
8170 fold_binary_to_constant.
8171 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
8173 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
8174 check if A == gcd (A, B). Remove TYPE argument.
8175 (analyze_offset) Use fold_build2 instead of fold (build.
8176 (create_data_ref): Likewise.
8177 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
8178 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
8181 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
8183 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
8184 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
8186 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
8189 * gimplify.c (zero_sized_type): New function.
8190 (gimplify_modify_expr_rhs): If we have a zero sized type,
8191 replace the statement with an empty statement.
8193 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
8195 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
8198 2005-08-16 Ian Lance Taylor <ian@airs.com>
8200 * doc/tm.texi (Label Output): Correct typo.
8202 2005-08-16 Steven Bosscher <stevenb@suse.de>
8205 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
8206 force_operand will work later on using have_insn_for.
8208 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8210 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
8212 2005-08-16 Ian Lance Taylor <ian@airs.com>
8215 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
8216 vector type, don't try to construct it element by element. Add an
8217 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
8219 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8221 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
8223 2005-08-16 Geoffrey Keating <geoffk@apple.com>
8225 * doc/invoke.texi (Precompiled Headers): Document some more options
8226 which are known to be safe.
8228 2005-08-16 James E Wilson <wilson@specifix.com>
8230 PR tree-optimization/21105
8231 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8232 TREE_OVERFLOW check.
8234 2005-08-16 David Edelsohn <edelsohn@gnu.org>
8236 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
8237 (neg_ltu<mode>): Same.
8239 (neg_gtu<mode>): Same.
8241 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8243 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
8244 (fold_builtin_isdigit): Use fold_buildN.
8245 (build_function_call_expr): Likewise.
8246 * c-typeck.c (c_finish_loop): Likewise.
8248 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
8249 Richard Shann <rshann@superh.com>
8251 PR middle-end/20396:
8252 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
8254 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
8256 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
8258 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
8261 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
8262 arm_compure_save_reg0_reg12_mask to determine when the PIC register
8265 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8268 * fold-const.c (build_range_check): Disable optimization for function
8269 pointer expressions on targets that require function pointer
8272 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
8274 * simplify-rtx.c (simplify_const_relational_operation): When
8275 extracting arguments of a COMPARE, recompute the mode as well.
8277 2005-08-15 Ian Lance Taylor <ian@airs.com>
8279 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
8281 2005-08-15 DJ Delorie <dj@redhat.com>
8283 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
8285 (movsi_splittable): Allow, but split, moves to the stack.
8286 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
8289 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8291 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
8292 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
8293 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
8295 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
8296 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
8297 Delete HOST_PTR_PRINTF.
8299 * configure, config.in: Regenerate.
8301 2005-08-15 David Edelsohn <edelsohn@gnu.org>
8303 * config/rs6000/rs6000.md (QHSI): New mode macro.
8304 (wd): Extend mode attr for QImode and HImode
8305 (dbits): New mode attr.
8306 (zero_extend<mode>di2): Convert to mode macro.
8308 2005-08-15 Steve Ellcey <sje@cup.hp.com>
8311 * doc/invoke.texi (-mgnu-ld): Update description.
8314 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
8317 * Makefile.in (tree-chrec.o): Depends on real.h.
8318 * tree-chrec.c: Include real.h.
8319 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
8320 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
8321 * tree-scalar-evolution.c (add_to_evolution_1,
8322 interpret_rhs_modify_expr): Ditto.
8324 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
8327 * tree-data-ref.c (estimate_niter_from_size_of_data): When
8328 step is negative compute the estimation from init downwards to zero.
8330 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
8332 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
8334 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
8336 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
8338 (legitimate_reload_constant_p): Fix handling of lliXX operands.
8339 Accept double-word constants that can be split.
8340 * config/s390/s390.md ("movti"): Use 'P' constraint.
8341 ("*movdi_31", "*movdf_31"): Likewise.
8343 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
8345 Fix PR tree-optimization/22615
8347 * tree-ssa-structalias.c (solution_set_add): Handle
8348 first_vi_for_offset returning NULL.
8349 (do_da_constraint): Ditto.
8350 (do_sd_constraint): Ditto.
8351 (do_ds_constraint): Ditto
8352 (find_func_aliases): Ditto.
8353 (build_constraint_graph): RHS is allowed be ANYTHING.
8354 (first_vi_for_offset): Return NULL if we couldn't find anything at
8357 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
8359 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
8360 over memory as first operand.
8362 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
8365 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
8366 available for setting it.
8368 2005-08-14 Ira Rosen <irar@il.ibm.com>
8370 PR tree-optimization/23320
8371 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
8372 data-refs' types instead of base object nullness. Add check for
8373 pointer type data-refs before first location comparison. Remove
8376 2005-08-14 Andreas Schwab <schwab@suse.de>
8378 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
8380 2005-08-13 James E Wilson <wilson@specifix.com>
8382 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
8383 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
8384 -fstack-protector-all, --param ssp-buffer-size): Document.
8385 (-Wvariadic-macros): Alphabetize.
8386 (-fsched-stalled-insns-dep): Add missing 'f'.
8388 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
8391 2005-08-13 David Edelsohn <edelsohn@gnu.org>
8393 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
8394 or indirect address operand.
8395 (EXTRA_ADDRESS_CONSTRAINT): New.
8396 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
8398 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
8400 PR tree-optimization/22236
8401 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
8402 successors and predecessors.
8403 * tree-chrec.c (chrec_convert): Before converting, check that
8404 sequences don't wrap.
8405 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
8406 (analyze_array): Extern.
8407 (find_data_references_in_loop): Remove call to
8408 compute_estimated_nb_iterations.
8409 * tree-data-ref.h (analyze_array): Declared.
8410 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
8411 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
8412 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
8413 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
8415 * tree-ssa-loop-ivcanon.c: Fix documentation.
8416 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
8417 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
8418 (infer_loop_bounds_from_undefined): New.
8419 (estimate_numbers_of_iterations_loop): Use
8420 infer_loop_bounds_from_undefined.
8421 (used_in_pointer_arithmetic_p): New.
8422 (scev_probably_wraps_p): Pass an extra parameter. Call
8423 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
8424 (convert_step): Fix documentation.
8425 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
8426 Use initial_condition_in_loop_num and evolution_part_in_loop_num
8427 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
8428 scev_probably_wraps_p.
8430 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
8432 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
8433 (s390_register_info): Ignore clobbered_regs information for fixed
8434 registers, and only fixed registers.
8435 (s390_init_frame_layout): Remove redundant call.
8437 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
8439 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
8440 description of -Wold-style-casts.
8442 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8443 Jakub Jelinek <jakub@redhat.com>
8445 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8446 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
8447 * config/s390/s390.c (print_operand): New output modifier 'G' added.
8448 (get_thread_pointer): Renamed to s390_get_thread_pointer.
8449 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
8450 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
8451 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8452 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8453 ("stack_protect_set", "stack_protect_test"): New expanders.
8454 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8455 "stack_protect_testdi"): New insn definitions.
8457 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8459 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8461 2005-08-12 Paul Brook <paul@codesourcery.com>
8463 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8465 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8467 * config/s390/predicates.md (setmem_operand): New predicate.
8468 (shift_count_operand): Accept ANDs with special constants as
8470 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8471 with special constants.
8472 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8473 shift_count_operand with setmem_operand.
8475 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8477 * config/s390/s390.c (s390_extract_part, s390_single_part):
8479 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8480 (s390_output_mi_thunk): Don't use lg on 31 bit.
8481 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8482 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8484 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8486 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8487 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8488 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8489 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8490 with one of the new macros.
8492 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8494 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8495 Don't set save_return_addr_p.
8496 (s390_register_info): Make clobbered_regs not depending on
8499 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
8501 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8502 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8504 2005-08-11 James E. Wilson <wilson@specifix.com>
8506 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8508 2005-08-11 Jakub Jelinek <jakub@redhat.com>
8510 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8511 locations gathered by var-tracking in single entry loc_list
8512 over loc_descriptor_from_tree.
8514 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8515 pass it down to loc_descriptor.
8516 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8517 (containing_function_has_frame_base): Move earlier in the file.
8518 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8519 instead of always assuming fbreg can't be used.
8521 2005-08-11 David Edelsohn <edelsohn@gnu.org>
8523 * config/rs6000/altivec.md: Change constraint "m" to "Z".
8524 * config/rs6000/predicates.md (indexed_or_indirect_operand):
8525 Accept address wrapped in AND for Altivec.
8526 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8527 Strip AND wrapping offset address for Altivec.
8529 2005-08-11 Richard Henderson <rth@redhat.com>
8532 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8533 before using TYPE_IS_SIZETYPE.
8535 2005-08-11 Richard Henderson <rth@redhat.com>
8538 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8539 insn types not present on ev4.
8540 (alphaev5_insn_pipe): Similarly.
8542 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
8545 * arm.c (arm_override_options): If the user has selected callee-super-
8546 interworking, then enable normal interworking.
8548 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8550 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8553 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
8555 * doc/rtl.texi: Fix two typos.
8557 2005-08-11 Richard Guenther <rguenther@suse.de>
8560 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8561 cases where we call to/from functions returning void.
8563 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
8566 * tree.c (build_pointer_type_for_mode): Robustify.
8568 2005-08-10 James E Wilson <wilson@specifix.com>
8570 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8571 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8573 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8576 2005-08-10 Eric Christopher <echristo@apple.com>
8578 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8579 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8582 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
8585 * config/darwin.c (machopic_indirect_data_reference): Use a new register
8586 for the high part when generating dynamic-no-pic code.
8588 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
8590 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8591 (x86_64-*-linux*): Likewise.
8593 * config/i386/crtfastmath.c: New file.
8594 * config/i386/t-crtfm: Likewise.
8596 * config/i386/linux.h (ENDFILE_SPEC): New.
8597 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8599 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8602 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
8604 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8605 (vec_shl, vec_shr): Document new operations.
8606 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8608 2005-08-10 David Edelsohn <edelsohn@gnu.org>
8610 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8611 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8612 change predicate to indexed_or_indirect_address.
8614 2005-08-10 Richard Sandiford <richard@codesourcery.com>
8616 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8617 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8618 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8619 and __aeabi_uwrite8.
8620 * config/arm/unaligned-funcs.c: New file.
8621 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8623 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
8625 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8627 * cfglayout.c (pass_insn_locators_initialize): Add dump.
8628 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8630 * except.c (pass_convert_to_eh_region_ranges): Add dump.
8631 * final.c (pass_shorten_branches): Add dump.
8632 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8633 (pass_life): Rename dump.
8634 (rest_of_handle_flow2): Remove initial verify_flow_info.
8635 * function.c (pass_instantiate_virtual_regs): Add dump.
8636 * integrate.c (pass_initial_value_sets): Add dump.
8637 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8638 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8639 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8640 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8641 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8642 gate_rtl_unrool_and_peel_loops): New.
8643 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8644 rtl_doloop): Do not look at flags.
8645 * mode-switching.c (pass_mode_switching): Add dump.
8646 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8647 pass_split_before_regstack): Add dump.
8648 * regmove.c (pass_stack_adjustments): Add dump.
8649 * tree-optimize.c (pass_fixup_cfg): Add dump.
8651 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8654 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8655 deciding which instruction sequence to use.
8657 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
8659 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8660 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8662 2005-08-09 Richard Guenther <rguenther@suse.de>
8664 * c-common.c (builtin_function_2): Remove.
8665 (def_builtin_1): New function.
8666 (c_common_nodes_and_builtins): Use def_builtin_1 to
8667 build builtin functions.
8669 2005-08-09 Jie Zhang <jie.zhang@analog.com>
8671 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8672 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8673 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8676 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8678 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8679 fold_binary instead of fold_build2 since we don't care about the
8681 (loop_niter_by_eval): Likewise.
8682 (compare_trees): Likewise.
8683 (proved_non_wrapping_p): Likewise.
8685 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8689 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8690 if the if is really empty.
8692 2005-08-09 Steven Bosscher <stevenb@suse.de>
8694 PR tree-optimization/23234
8695 * tree-ssa-math-opts.c (place_reciprocal): New enum.
8696 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8697 argument of the new enum.
8698 (execute_cse_reciprocals): Add reciprocals for function arguments
8699 on the unique successor edge of the entry block. Update other calls
8700 to execute_cse_reciprocals_1.
8702 2005-08-08 Richard Henderson <rth@redhat.com>
8705 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8707 2005-08-08 Bob Wilson <bob.wilson@acm.org>
8709 * expr.c (write_complex_part): Return after handling MEM.
8711 2005-08-08 Josh Conner <jconner@apple.com>
8713 PR rtl-optimization/23241
8714 * combine.c (simplify_comparison): Fix error in determining
8715 whether to lift a subreg from comparison.
8717 2005-08-08 David Edelsohn <edelsohn@gnu.org>
8720 * config/rs6000/altivec.md (vec_init<mode>): New.
8721 (vec_set<mode>): New.
8722 (vec_extract<mode>): New.
8723 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8724 (rs6000_expand_vector_set): New.
8725 (rs6000_expand_vector_extract): New.
8726 (rs6000_legitimate_offset_address_p): Offset addresses are valid
8727 for Altivec modes before reload.
8728 (altivec_expand_vec_init_builtin): New.
8729 (get_element_number): New.
8730 (altivec_expand_vec_set_builtin): New.
8731 (altivec_expand_vec_ext_builtin): New.
8732 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8734 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8736 * config/rs6000/rs6000.h (rs6000_builtins): Add
8737 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8738 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8739 * config/rs6000/rs6000-protos.h: Declare new functions.
8741 2005-08-08 Jan Hubicka <jh@suse.cz>
8743 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8744 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8745 * i386.md (movdi*): Use pic_32bit_operand.
8746 * predicates.md (pic_32bit_operand): New.
8748 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
8751 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8753 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
8755 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8756 (test_for_singularity): Use fold_build2.
8758 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8760 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8762 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
8764 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8765 (COMMON_ASM_OP) Define.
8766 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8767 (ix86_encode_section_info): Likewise.
8768 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8769 SUBTARGET_ENCODE_SECTION_INFO.
8771 2005-08-06 Richard Henderson <rth@redhat.com>
8774 * tree-nested.c (convert_local_reference): Save and restore val_only
8775 around component_ref and friends. Clear walk_subtrees by default.
8777 2005-08-06 Peter O'Gorman <peter@pogma.com>
8780 * gcc.c (process_command): Check the argument to -b has a dash.
8781 * doc/invoke.texi: Update -b and -V docs.
8783 2005-08-06 James E Wilson <wilson@specifix.com>
8785 * config/mips/cross64.h, config/mips/t-cross64: Delete.
8787 2005-08-06 Michael Matz <matz@suse.de>
8789 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8790 member only if only one insn is associated with the value.
8792 2005-08-06 Nick Clifton <nickc@redhat.com>
8794 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8796 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8797 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8798 Check symbol flags instead of symbol name mangling.
8799 (xstormy16_asm_output_aligned_common): Likewise. Also
8800 simplify code since the bss100_section cass is the only case
8801 where the below100 code will be triggered.
8802 (xstormy16_encode_section_info): Encode below100 attribute
8803 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8805 (xstormy16_strip_name_encoding): Delete - this function is no
8807 (TARGET_STRIP_NAME_ENCODING): Undefine.
8808 * config/stormy16/stormy16-protos.h: Delete prototype for
8809 xstormy16_strip_name_encoding.
8811 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
8813 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8814 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8815 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8816 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8817 config/alpha/predicates.md, config/arc/arc.h,
8818 config/arm/arm.h, config/arm/ieee754-df.S,
8819 config/arm/ieee754-sf.S, config/bfin/bfin.c,
8820 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8821 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8822 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8823 config/m68hc11/m68hc11.h, config/mips/mips.c,
8824 config/mips/mips.h, config/mips/openbsd.h,
8825 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8826 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8827 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8828 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8829 config/sparc/linux.h, config/sparc/linux64.h,
8830 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8831 doc/extend.texi, doc/gcov.texi, doc/install.texi,
8832 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8833 typos. Follow spelling conventions.
8835 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
8838 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8839 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8840 specially. Check for side effects only for COND_EXPR.
8841 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8842 return with TREE_NO_WARNING.
8844 2005-08-06 Richard Sandiford <richard@codesourcery.com>
8846 PR rtl-optimization/23233
8847 * loop.c (combine_movables): Require the modes to be the same.
8848 (move_movables): Remove handling of cases where the replacement
8849 had a different mode to the original.
8851 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
8853 PR tree-optimization/23128
8854 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8855 subtraction wrap, and set TREE_OVERFLOW if they do.
8857 2005-08-05 Richard Henderson <rth@redhat.com>
8860 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8861 FORCED_LABEL labels.
8863 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
8866 * reload.c (find_reloads_subreg_address): Pass down TYPE
8867 unchanged. Change all callers except find_reloads_toplev.
8869 2005-08-05 Michael Matz <matz@suse.de>
8871 * genattrtab.c (current_alternative_string): Remove.
8872 (SIMPLIFY_ALTERNATIVE): Ditto.
8873 (attr_alt_bit_p): Ditto.
8874 (alternative_name): Make const char *.
8875 (evaluate_eq_attr): Remove use of above things.
8876 (simplify_test_exp): Ditto.
8877 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8878 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8880 2005-08-04 James E Wilson <wilson@specifix.com>
8882 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8883 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8884 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8885 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8886 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8888 2005-08-04 Richard Henderson <rth@redhat.com>
8891 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8892 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8893 * tree-sra.c (decide_block_copy): Use it. Disable element copy
8894 if we'd have to instantiate too many members.
8896 2005-08-04 Richard Henderson <rth@redhat.com>
8899 * tree-outof-ssa.c (coalesce_asm_operands): New.
8900 (coalesce_ssa_name): Use it. Split out ...
8901 (coalesce_phi_operands, coalesce_result_decls): ... these.
8903 2005-08-04 Paul Brook <paul@codesourcery.com>
8905 * read-rtl.c (read_quoted_string): Break if EOF.
8907 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
8909 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8910 (fold_build2): Likewise.
8911 (fold_build3): Likewise.
8912 (fold_build1_stat): New function prototype.
8913 (fold_build2_stat): Likewise.
8914 (fold_build3_stat): Likewise.
8915 * fold-const.c (fold_build1): Rename to ..
8916 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8917 through to build1_stat.
8918 (fold_build2): Rename to ..
8919 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8920 through to build2_stat.
8921 (fold_build3): Rename to ..
8922 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8923 through to build3_stat.
8925 2005-08-04 David Edelsohn <edelsohn@gnu.org>
8926 Ian Lance Taylor <ian@airs.com>
8928 * function.c (assign_stack_local_1): Do not correct stack slot
8929 address if allocation size is smaller than mode size.
8931 2005-08-04 Diego Novillo <dnovillo@redhat.com>
8934 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8935 (tree_merge_blocks): Propagate anything allowed by
8937 Clarify documentation.
8938 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8939 SSA form, schedule an update if necessary.
8941 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
8943 * doc/install.texi (Binaries): Remove broken link to
8944 Sinix/Reliant Unix binaries.
8946 2005-08-03 Richard Henderson <rth@redhat.com>
8949 * function.c (stack_protect_epilogue): Export.
8950 * tree.h (stack_protect_epilogue): Declare.
8951 * calls.c (expand_call): Call it.
8953 2005-08-03 Eric Christopher <echristo@apple.com>
8955 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8956 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8959 2005-08-04 Jan Hubicka <jh@suse.cz>
8961 * profile.c (branch_prob): Split edges with goto locus on them
8962 to get proper line counts.
8963 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8965 2005-08-03 Paul Brook <paul@codesourcery.com>
8967 * function.c (assign_parms): Round current_function_args_size
8968 to PARM_BOUNDARY, not STACK_BOUNDARY.
8970 2005-08-03 Geoffrey Keating <geoffk@apple.com>
8972 * config/i386/i386.c (x86_elf_aligned_common)
8973 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8975 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
8977 PR tree-optimization/23157
8978 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8979 before emitting them.
8981 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8983 PR tree-optimization/19899
8984 * Makefile.in (tree-scalar-evolution.o): Add real.h.
8985 * tree-scalar-evolution.c: Include real.h.
8986 (add_to_evolution): Build constant -1 of correct type.
8988 2005-08-03 Jan Hubicka <jh@suse.cz>
8990 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8991 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8992 profile updating for complette unrolling.
8993 * loop-unroll.c (peel_loop_completely): Use it.
8994 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8995 (tree_unroll_loops_completely): Disable code growing unrolling of cold
8998 2005-08-03 Paul Brook <paul@codesourcery.com>
9000 * combine.c (can_change_dest_mode): New function.
9001 (try_combine, simplify_set): Use it.
9003 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
9005 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
9008 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
9010 * doc/install.texi (Specific): Adjust link to openavr.org.
9011 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
9012 (Binaries): Adjust HP-UX Porting Center link.
9013 (Binaries): Adjust Free Software Foundation ordering link.
9015 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
9017 * convert.c (convert_to_integer): Use fold_build1 instead of
9018 build1 when converting an integer to an integer.
9020 2005-08-02 Richard Henderson <rth@redhat.com>
9022 * combine.c (combine_instructions): Don't use reg_equal/equiv
9023 results if the mode doesn't match.
9025 2005-08-02 Mark Mitchell <mark@codesourcery.com>
9027 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
9028 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
9030 2005-08-02 Richard Henderson <rth@redhat.com>
9033 * explow.c (memory_address): Remove special-case for
9034 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
9036 2005-08-02 Diego Novillo <dnovillo@redhat.com>
9039 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
9040 number of calls to cleanup_tree_cfg_1.
9042 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
9044 * doc/invoke.texi: document file extensions .F90 and .F95
9046 2005-08-02 Richard Guenther <rguenther@suse.de>
9048 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
9049 positive if its first argument is positive.
9051 2005-08-02 Richard Guenther <rguenther@suse.de>
9053 PR tree-optimization/23177
9054 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
9057 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
9059 PR tree-optimization/23129
9060 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
9061 varying for divisions with anti-ranges.
9063 2005-08-02 Jan Hubicka <jh@suse.cz>
9065 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
9066 * tree-ssa-threadupdate.c (thread_block): Add it here.
9068 2005-08-01 James E Wilson <wilson@specifix.com>
9070 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
9071 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
9072 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
9074 * config/mips/predicates.md (const_call_insn_operand): Add check for
9075 SYMBOL_REF_LONG_CALL_P.
9076 * doc/extend.texi (long_call): Document the new attribute.
9078 2005-08-01 Ian Lance Taylor <ian@airs.com>
9079 Richard Henderson <rth@redhat.com>
9081 * Makefile.in (RTL_BASE_H): Add real.h.
9082 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
9084 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
9086 * rtl.c (rtl_check_failed_code_mode): New.
9087 * rtl.h (struct rtx_def): Add u.rv.
9088 (XCMWINT, XCNMPRV): New.
9089 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
9090 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
9092 2005-08-01 Richard Henderson <rth@redhat.com>
9094 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
9095 with auto-inc codes.
9097 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
9099 2005-08-01 Jan Hubicka <jh@suse.cz>
9101 * i386-protos.h (asm_preferred_eh_data_format): Declare.
9102 * i386.c: Include dwarf2.h
9103 (asm_preferred_eh_data_format): New.
9104 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
9106 2005-08-01 Ian Lance Taylor <ian@airs.com>
9108 * config/host-linux.c (linux_gt_pch_get_address): Add new name
9109 randomize_va_space for virtual address randomization control.
9111 2005-08-01 Steven Bosscher <stevenb@suse.de>
9113 * common.opt (flag_ipa_cp): Put in right place to maintain
9116 2005-08-01 Jan Hubicka <jh@suse.cz>
9118 * profile.c (compute_value_histograms): Fix thinko.
9119 * value-prof.c: Include toplev.h
9120 (check_counter): New function.
9121 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
9122 tree_mod_subtract_transform): Add sanity check.
9124 2005-08-01 Richard Guenther <rguenther@suse.de>
9126 PR tree-optimization/23133
9127 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
9128 current functions parameter decls to find defs to cse
9131 2005-08-01 Richard Guenther <rguenther@suse.de>
9133 PR tree-optimization/23109
9134 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
9135 If trapping math is in effect, use post-dominator information
9136 to check if we'd in any case reach a trapping point before
9137 doing the reciprocal insertion.
9138 (execute_cse_reciprocals): Compute post-dominators, if necessary.
9139 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
9140 expressions are invariant only if trapping math is not in effect.
9142 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
9144 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
9145 cgraph_function_versioning): New declarations.
9146 * cgraphunit.c: Add include to ipa-prop.h.
9147 (update_call_expr, cgraph_copy_node_for_versioning,
9148 cgraph_function_versioning): New functions.
9149 * integrate.c (copy_decl_for_inlining): Remove.
9150 * ipa-prop.h (ipa_replace_map): New struct.
9151 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
9152 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
9153 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
9154 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
9155 ipcp_iterate_stage, ipcp_method_scale_print,
9156 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
9157 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
9158 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
9159 ipcp_update_bb_counts, ipcp_update_profiling,
9160 ipcp_update_edges_counts): New functions.
9161 (ipcp_method_cval_init): Remove restriction regarding local methods.
9162 (ipcp_init_stage): Add ipcp_method_compute_scale.
9163 (ipcp_insert_stage): Add versioning.
9164 (ipcp_structures_print): Add ipcp_method_scale_print.
9165 (ipcp_driver): Dump profiling info.
9166 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
9167 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
9168 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
9169 (struct inline_data): Add versioning_p, ipa_info, new fields.
9170 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
9171 declare_return_variable): Replace calls to copy_decl_for_inlining with
9173 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
9175 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
9176 Add argument VERSIONING.
9177 (copy_arguments_for_versioning, copy_static_chain,
9178 function_versionable_p, tree_versionable_function_p,
9179 tree_function_versioning, replace_ref_tree): New functions.
9180 * tree-inline.h: Include varray.h.
9181 (tree_versionable_function_p, tree_function_versioning,
9182 tree copy_decl_for_dup): New declarations.
9184 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
9186 * ipa-cp.c: New file. Contains IPCP specific functionality.
9187 * ipa-prop.h: New file. Contains structures/definitions that can be
9188 used by several interprocedural data flow optimizations (and also IPCP).
9189 * ipa-prop.c: New file.
9190 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
9191 * common.opt: Add ipa-cp flag.
9192 * timevar.def: Add IPCP optimization.
9193 * tree-optimize.c (init_tree_optimization_passes): Schedule
9195 * tree-pass.h (pass_ipa_cp): Declare.
9197 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
9199 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
9200 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
9201 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
9202 config/i386/i386.c, config/mips/mips.h,
9203 config/rs6000/rs6000.h, config/sh/sh.c,
9204 config/stormy16/stormy16.c: Fix comment typos.
9206 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
9209 * c-typeck.c (build_binary_op): Use common_type wrapper on
9211 (common_type): Update comment.
9213 2005-07-31 Steven Bosscher <stevenb@suse.de>
9216 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
9217 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
9218 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
9220 2005-07-31 Jan Hubicka <jh@suse.cz>
9222 * pretty-print.h (pp_widest_integer): New macro.
9223 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
9226 2005-07-31 Jan Hubicka <jh@suse.cz>
9228 * output.h (enum section_category): Export from varasm.c
9229 (categorize_decl_for_section): Likewise.
9230 * varasm.c (enum section_category): Kill.
9231 (categorize_decl_for_section): Make global.
9232 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
9234 * i386.c (ix86_section_threshold): New static variable.
9235 (ix86_in_large_data_p, ix86_encode_section_info,
9236 x86_64_elf_unique_section,
9237 x86_64_elf_select_section): New functions.
9238 (TARGET_ENCODE_SECTION_INFO): Define
9239 (override_options): Enable medium model for PIC.
9240 (ix86_expand_prologue): Expand gen_set_got_rex64.
9241 (legitimate_constant_p): Handle new UNSPECs.
9242 (legitimate_pic_address_disp_p): Likewise.
9243 (legitimize_pic_address): Lower MEDIUM model addressing.
9244 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
9245 (enum cmodel): Add MEDIUM_PIC.
9246 (SYMBOL_REF_FAR_ADDR_P): New macro.
9247 (SYMBOL_FLAG_FAR_ADDR): New flag.
9248 * i386.md (movdi): Support medium model.
9249 (set_got_rex64): New pattern.
9250 * i386.opt (mlarge-data-threshold): New flag.
9251 * predicates.md (zext_operand/sext_operand): Deal with medium model.
9252 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
9253 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
9254 TARGET_ASM_UNIQUE_SECTION): New.
9256 * invoke.texi (-mlarge_data_threshold): Document
9258 2005-07-31 Jan Hubicka <jh@suse.cz>
9260 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
9261 (coalesce_vars): Likewise.
9262 * tree-ssa-live.c (coalesce_cost): New.
9263 (build_tree_conflict_graph): Use coalesce_cost.
9264 * tree-ssa-live.h (coalesce_cost): Declare.
9266 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
9268 * arm.md (all peepholes for post-increment operations): Delete.
9269 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
9270 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
9271 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
9272 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
9273 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
9275 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
9277 * fold-const.c (tree_expr_nonnegative_p): Always return true for
9280 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
9283 * doc/invoke.texi: Document -rdynamic.
9285 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
9288 * c-parser.c (c_parser_parms_list_declarator): Call
9289 mark_forward_parm_decls.
9290 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
9291 decls with visibility structure.
9293 2005-07-30 Paul Brook <paul@codesourcery.com>
9295 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
9297 2005-07-30 Paul Brook <paul@codesourcery.com>
9299 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
9301 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
9303 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
9305 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9308 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
9309 nested function declarators.
9310 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
9311 (grokparms): Call warn_if_shadowing for parameters used within the
9313 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
9314 not used within the parameter list.
9315 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
9317 2005-07-30 Jan Hubicka <jh@suse.cz>
9319 * expr.c (expand_expr_real_1): Do not load mem targets into register.
9320 * i386.c (ix86_fixup_binary_operands): Likewise.
9321 (ix86_expand_unary_operator): Likewise.
9322 (ix86_expand_fp_absneg_operator): Likewise.
9323 * optabs.c (expand_vec_cond_expr): Validate dest.
9325 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9328 * real.c (real_from_string): Also set last bit if there is a
9329 nonzero hex digit beyond GCC's internal precision after ".".
9331 2005-07-29 David Edelsohn <edelsohn@gnu.org>
9333 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
9334 define_constants. Change duplicate values to unassigned numbers.
9335 Change UNSPEC_SUBS to UNSPEC_VSUBS.
9336 (*altivec_vspltsf): New.
9337 (altivec_vperm_v4sf): Delete.
9338 (altivec_vperm_<mode>): Use mode macro V.
9339 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
9340 (altivec_predicate_v4sf): Delete.
9341 (altivec_predicate_<mode>): Use mode macro V.
9342 (*altivec_lvesfx): New.
9343 (*altivec_stvesfx): New.
9344 (vec_realign_load_v4sf): Delete.
9345 (vec_realign_load_<mode>): Use mode macro V.
9346 * config/rs6000/rs6000.c (generate_set_vrsave): Use
9349 2005-07-29 Mark Mitchell <mark@codesourcery.com>
9352 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
9354 * configure: Regenerated.
9356 2005-07-29 Paul Brook <paul@codesourcery.com>
9358 * doc/install.texi: Add link to GFortran binaries wiki page.
9360 2005-07-29 David Ung <davidu@mips.com>
9362 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
9363 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
9364 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
9365 * config/mips/mips.md (cpu): Add 5kf name.
9366 (includes): Includes 5k.md.
9367 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
9368 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
9371 2005-07-29 Diego Novillo <dnovillo@redhat.com>
9374 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
9375 (cleanup_tree_cfg): ... here.
9376 Call cleanup_tree_cfg_1 until there are no more cleanups to
9379 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
9381 * tree-vrp.c (compare_range_with_value): Return true or false
9382 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
9383 EQ_EXPR respectively.
9385 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
9387 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
9390 2005-07-29 Diego Novillo <dnovillo@redhat.com>
9392 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
9393 (tree_ssa_dominator_optimize): Increment it.
9394 (dump_dominator_optimization_stats): Print it.
9396 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
9397 Steven Bosscher <stevenb@suse.de>
9399 PR rtl-optimization/23117
9400 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
9401 when head == tail. Tidy comment.
9403 2005-07-28 Richard Henderson <rth@redhat.com>
9405 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
9406 * cselib.c (rtx_equal_for_cselib_p): Likewise.
9407 * jump.c (rtx_renumbered_equal_p): Likewise.
9408 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
9409 CONST_INT and CONST_DOUBLE.
9410 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
9411 * reload.c (operands_match_p): Special case CONST_INT and
9412 CONST_DOUBLE; check mode earlier.
9414 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9417 * c-typeck.c (convert_for_assignment): Do not check
9418 DECL_IN_SYSTEM_HEADER on NULL fundecl.
9420 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9423 * c-typeck.c (composite_type): Prefer constant size arrays to
9426 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9429 * real.c (real_from_string): Set last bit if there is a nonzero
9430 hex digit beyond GCC's internal precision.
9432 2005-07-28 Richard Henderson <rth@redhat.com>
9435 * cfgcleanup.c (try_forward_edges): Watch out for end of
9438 2005-07-28 James E Wilson <wilson@specifixinc.com>
9441 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
9443 2005-07-28 Jan Hubicka <jh@suse.cz>
9445 * Makefile.in (rtl-profile.o): Kill all traces of it.
9446 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
9447 * coverage.h (rtl_coverage_counter_ref): Kill.
9448 * opts.c (flag_speculative_prefetching_set): Kill.
9449 (flag_loop_optimize_set): New.
9450 (common_handle_option): Disable loop optimizer when profiling;
9451 do not handle speculative prefetching.
9452 * passes.c (init_optimization_passes): Replace pass_profiling combo
9453 by branch_prob pass.
9454 * profile.c (compute_value_histograms): Update for simplified value
9456 (rtl_register_profile_hooks): Kill.
9457 (pass_profiling): Kill.
9458 (rest_of_handle_branch_prob): Do not profile.
9459 * toplev.c (process_options): Remove speculative prefetching.
9460 * toplev.h (flag_tree_based_profiling): Kill.
9461 * tree-profile.c (prepare_instrumented_value,
9462 tree_gen_interval_profiler, tree_gen_pow2_profiler,
9463 tree_gen_one_value_profiler, do_tree_profiling): Update for
9464 simplified datastructures.
9465 * value-prof.c: Add comment that speculative prefetching was dropped;
9466 update rest of file for simplified datastructures.
9467 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9468 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9469 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9470 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9471 rtl_mod_subtract, gen_speculative_prefetch,
9472 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9473 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9474 (gate_handle_value_profile_transformations,
9475 rest_of_handle_value_profile_transformations,
9476 pass_value_profile_transformations): Kill.
9477 * value-prof.h (histogram_value_t): Remove IL based unions.
9478 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9479 rtl_profile_hooks): Remove hooks.
9481 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9483 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9484 (cgraph_clone_node): Likewise.
9485 * cgraph.h (cgraph_clone_edge): Update prototype.
9486 (cgraph_clone_node): Likewise.
9487 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9489 (lookup_recursive_calls): Consider profile.
9490 (cgraph_decide_recursive_inlining): Fix updating; use new
9491 probability argument; use profile.
9492 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9493 * tree-inline.c (copy_bb): Update clal of clone_edge.
9494 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9496 * invoke.texi (min-inline-recursive-probability): Document.
9498 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
9500 * doc/install.texi (Configuration): Update Valgrind homepage.
9502 2005-07-28 Richard Henderson <rth@redhat.com>
9505 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9506 labels we want to delete.
9507 (cfg_layout_merge_blocks): Likewise.
9509 2005-07-28 Richard Henderson <rth@redhat.com>
9512 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9513 when expanding to nothing.
9515 2005-07-28 Josh Conner <jconner@apple.com>
9517 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9518 (cgraph_decide_inlining_of_small_functions): Likewise.
9520 2005-07-28 Josh Conner <jconner@apple.com>
9522 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
9523 direction of badness if negative.
9524 (cgraph_default_inline_p): Add reason to parameters, and assign it
9526 (cgraph_decide_inlining_of_small_functions): New parameter in call
9527 to cgraph_default_inline_p.
9528 (cgraph_decide_inlining_incrementally): Likewise.
9529 * cgraphunit.c (decide_is_function_needed): Likewise.
9530 * cgraph.h (cgraph_default_inline_p): Likewise.
9532 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9534 * builtins.c: Fix comment typo(s).
9535 * genautomata.c: Likewise.
9536 * gimplify.c: Likewise.
9537 * tree-dfa.c: Likewise.
9538 * tree-flow-inline.h: Likewise.
9539 * tree-into-ssa.c: Likewise.
9540 * tree-ssa-alias.c: Likewise.
9541 * tree-ssa-ccp.c: Likewise.
9542 * tree-ssa-copy.c: Likewise.
9543 * tree-ssa-dce.c: Likewise.
9544 * tree-ssa-dom.c: Likewise.
9545 * tree-ssa-operands.c: Likewise.
9546 * tree-tailcall.c: Likewise.
9547 * tree-vectorizer.c: Likewise.
9548 * tree-vrp.c: Likewise.
9551 2005-07-28 Jeff Law <law@redhat.com>
9553 * tree-vrp.c (test_for_singularity): Extracted from ...
9554 (simplify_cond_using_ranges): Attempt to simplify a relational
9555 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
9557 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
9559 PR tree-optimization/22506
9560 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9561 phis whose argument is constant.
9563 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
9565 PR rtl-optimization/18992
9566 Back out this patch:
9567 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9568 PR optimization/12142
9569 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9570 uses of the register in the SET_SRC. Remove unnecessary argument.
9572 Replace it with this:
9573 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9574 if flag_non_call_exceptions is set and the insn may trap, pass
9575 pc_rtx as dest for recursion.
9576 In SET_SRC part of SET case, if dest is already set, pass it down
9579 2005-07-28 Jan Hubicka <jh@suse.cz>
9581 * cfg.c (update_bb_profile_for_threading): Use RDIV.
9582 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9583 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9585 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9586 profile when available.
9588 2005-07-28 Jan Beulich <jbeulich@novell.com>
9590 * config/ia64/ia64.c (ia64_load_pair_ok): New.
9591 (ia64_print_operand): Describe and handle 'X'.
9592 (ia64_register_move_cost): Also handle FP_REGS.
9593 (ia64_preferred_reload_class): Likewise.
9594 (ia64_secondary_reload_class): Likewise.
9595 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9596 it. Also check for ITANIUM_CLASS_FLDP.
9597 * config/ia64/ia64.h (FP_REGNO_P): New.
9598 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9599 (reg_class): Add FP_REGS.
9600 (REG_CLASS_NAMES): Adjust for it.
9601 (REG_CLASS_CONTENTS): Likewise.
9602 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9603 (REG_CLASS_FROM_LETTER): Handle 'x'.
9604 (CLASS_MAX_NREGS): Handle FP_REGS.
9605 (MEMORY_MOVE_COST): Likewise.
9606 * config/ia64/ia64.md (itanium_class): Add fldp.
9607 (type): Handle fldp.
9608 (movti_internal): More allowable operand combinations. Use ldfp8 when
9609 splitting unnecessary. Remove predicable attribute. Adjust
9610 itanium_class attribute.
9611 (smuldi3_highpart): Remove outdated comment.
9612 (mulditi3, umulditi3, rotlti3): New expanders.
9613 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9614 (absti2): Disabled new insn for future reference.
9615 Respective new splitters.
9616 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9617 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9618 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9620 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
9622 PR rtl-optimization/23047
9623 * simplify-rtx.c (simplify_const_relational_operation): Respect
9624 flag_wrapv for comparisons with ABS.
9626 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
9628 PR tree-optimization/22493
9629 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9630 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9632 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
9634 * config/frv/frv.opt (moptimize-membar): New.
9636 * doc/invoke.texi: Document -moptimize-membar and its inverse.
9638 * config/frv/frv.h: Remove machine_function definition.
9640 * config/frv/frv.c (struct frv_io): New.
9641 (struct machine_function): Moved from frv.h. Add has_membar_p.
9642 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9643 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9644 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9645 (frv_optimize_membar_global, frv_optimize_membar): New functions.
9646 (frv_reorg): Call frv_optimize_membar when appropriate.
9647 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9648 (frv_expand_builtin): Adjust calls accordingly.
9649 (frv_io_address_cookie): New function.
9650 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9651 load or store rather than a special insn. Add ccnstant address and
9652 io-type operands to the membar.
9653 (frv_ifcvt_modify_tests): Unsign regno.
9654 (frv_ifcvt_modify_tests): Same.
9656 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
9657 UNSPEC_OPTIONAL_MEMBAR constant.
9658 (builtin_read_<mode>): Delete.
9659 (builtin_write_<mode>): Delete.
9660 ("optional_membar_<mode>"): Add operand.
9662 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9663 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9664 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9665 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9666 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9667 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9668 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9669 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9670 * testsuite/gcc.target/frv/all-read-write-1.c: New.
9672 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
9674 * df.c (df_uses_record): Handle SCRATCH.
9676 2005-07-28 Steven Bosscher <stevenb@suse.de>
9679 * passes.c (rest_of_decl_compilation): If decl is a type and
9680 we have encountered errors, don't emit debug information.
9682 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9684 * params.def: Fixed comment.
9686 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
9689 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9690 (TARGET_ASM_UNALIGNED_HI_OP): Add.
9691 (TARGET_ASM_UNALIGNED_SI_OP): Add.
9693 2005-07-27 Steven Bosscher <stevenb@suse.de>
9696 * varasm.c (assemble_start_function): Don't do anything that may
9697 require a CFG if the current function is a thunk.
9699 2005-07-25 Geoffrey Keating <geoffk@apple.com>
9701 * doc/install.texi (Prerequisites): Mention that perl is needed
9702 to do export control in libstdc++ targetting Darwin.
9704 2005-07-27 Steven Bosscher <stevenb@suse.de>
9706 PR rtl-optimization/17808
9707 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9708 (sched_insns_conditions_mutex_p): Split out from...
9709 (add_dependence): ...here. But don't call it from here.
9710 (add_dependence_list): Check sched_insns_conditions_mutex_p
9711 before calling add_dependence.
9712 (add_dependence_list_and_free): Likewise.
9713 (fixup_sched_groups): Likewise.
9714 (sched_analyze_1): Likewise.
9715 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9716 (sched_analyze): Likewise.
9717 (sched_analyze_insn): Likewise.
9718 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9719 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
9720 dependencies on all COND_EXEC insns to jumps ending basic blocks
9721 when doing intrablock scheduling.
9722 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9724 2005-07-27 Jeff Law <law@redhat.com>
9726 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9727 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
9728 equivalency sets, correctly handle the case were vr0 has an
9729 equivalency set, but vr1 does not.
9731 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
9733 PR tree-optimization/23073
9734 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9735 vect_print_dump_info before fprintf.
9737 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9739 PR tree-optimize/22348
9740 * tree-ssa-loop-niter.c (number_of_iterations_cond):
9741 Fold the partial computation.
9743 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9745 PR tree-optimization/22325
9746 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9748 * tree-scalar-evolution.c (scev_const_prop): Add generic final
9750 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9751 (force_var_cost): ... this function.
9752 (compute_phi_arg_on_exit): Export.
9754 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9756 PR tree-optimization/20773
9757 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9760 2005-07-27 Richard Guenther <rguenther@suse.de>
9762 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9763 Avoid pushing again if current struct contains only
9764 fields we decomposed.
9766 2005-07-27 Jan Hubicka <jh@suse.cz>
9768 PR tree-optimization/22574
9769 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9772 * tree-tailcall.c (decrease_profile): New function.
9773 (eliminate_tail_call): Use it.
9775 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9776 visibility flags correctly in whole program mode.
9778 2005-07-26 Steve Ellcey <sje@cup.hp.com>
9780 PR rtl-optimization/22472
9781 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9783 2005-07-26 Steven Bosscher <stevenb@suse.de>
9785 PR tree-optimization/22504
9786 * tree-complex.c (expand_complex_addition): Use 'code' instead
9787 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9789 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9791 * config.gcc (cpu_type): Add frv case.
9792 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9793 (supported_defaults): Add fr550 case.
9795 2005-07-26 Diego Novillo <dnovillo@redhat.com>
9798 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9799 whether a pointer of type T * may point to objects of type T *.
9801 2005-07-26 DJ Delorie <dj@redhat.com>
9803 * configure: Regenerate.
9805 2005-07-26 Dale Johannesen <dalej@apple.com>
9807 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
9809 2005-07-26 Mark Mitchell <mark@codesourcery.com>
9811 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9812 Clarify use of "build" in name.
9814 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9816 * doc/extend.texi (Raw read/write Functions): New section.
9817 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9818 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9819 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9820 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9821 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9822 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9823 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9824 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9825 * config/frv/frv.c: Add bdesc_loads global.
9826 Add bdesc_stores global.
9827 (frv_init_builtins): Add support for __builtin_{read/write}*.
9828 (frv_volatile_memref): New.
9829 (frv_expand_load_builtin): New.
9830 (frv_expand_store_builtin): New.
9831 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9832 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9833 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9834 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9835 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9836 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9837 (builtin_read_<mode>): New.
9838 (builtin_write_<mode>): New.
9839 (builtin_write64): New.
9840 (optional_membar_<mode>): New.
9842 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
9844 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9845 (rather than units) against HOST_BITS_PER_WIDE_INT.
9847 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
9849 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9850 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9851 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9852 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9855 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9856 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9857 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9859 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9861 2005-07-26 Richard Guenther <rguenther@suse.de>
9863 PR tree-optimization/22486
9864 * fold-const.c (fold_unary): Fold away useless component
9865 references of the form (T *)&T.x, if the address
9868 2005-07-25 James E Wilson <wilson@specifixinc.com>
9870 * dwarf2out.c (add_call_src_coords_attributes): New.
9871 (gen_inlined_subroutine_die): Call it.
9872 (maybe_emit_file, init_file_table): Add comments.
9873 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9875 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9876 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9877 * tree.h (BLOCK_SOURCE_LOCATION): New.
9878 (struct tree_block): New field locus.
9880 2005-07-26 Andreas Schwab <schwab@suse.de>
9882 PR rtl-optimization/23043
9883 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9884 when allocating a struct unoccr.
9886 2005-07-25 Richard Henderson <rth@redhat.com>
9889 * tree-complex.c (gate_no_optimization): True if errors.
9890 * Makefile.in (tree-complex.o): Update dependencies.
9892 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
9894 * config/frv/predicates.md (integer_register_operand): Use
9897 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9900 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9902 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9904 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9906 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9907 types when flag_unsafe_math_optimizations is true.
9909 2005-07-25 Mark Mitchell <mark@codesourcery.com>
9911 * gcc.c (option_map): Add --sysroot.
9912 (process_command): Handle --sysroot.
9913 (display_help): Document it.
9914 * doc/cppopts.tex (-isysroot): Document.
9915 * doc/invoke.texi (--sysroot): Document.
9916 * doc/install.texi (--with-build-sysroot): Document.
9918 * Makefile.in (inhibit_libc): New variable.
9919 (INHIBIT_LIBC_CFLAGS): Likewise.
9920 (LIBGCC2_CFLAGS): Include
9921 $(INHIBIT_LIBC_CFLAGS).
9922 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9923 ($(T)crtbegin.o): Do not use @inhibit_libc@.
9924 ($(T)crtend.o): Likewise.
9925 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9926 ($(T)crtendS.o): Likewise.
9927 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9928 ($(T)crtendT.o): Likewise.
9929 (stmp-fixinc): Do not complain about missing headers if
9931 * configure.ac (inhibit_libc): Set it to true/false.
9932 (--with-build-sysroot): New option. Use it to set
9934 * configure: Regenerated.
9936 2005-07-25 Manfred Hollstein <mh@suse.com>
9938 * calls.c (store_one_arg): Fix unsigned comparison warning.
9940 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
9943 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9944 (ggc_print_statistics): Initialize variable before use.
9946 2005-07-25 Richard Guenther <rguenther@suse.de>
9948 * tree-dfa.c (mark_new_vars_to_rename): Protect against
9949 calling with a PHI_NODE argument.
9951 * tree-flow-inline.h (overlap_subvar): Protect against
9954 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
9956 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9957 * configure: Regenerate.
9959 2005-07-25 Ira Rosen <irar@il.ibm.com>
9961 * expr.c (highest_pow2_factor): Make extern.
9962 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9963 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9964 record_array_differ_p, array_ptr_differ_p): Likewise.
9965 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9966 additional cases. Call the above functions.
9967 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9968 base_object_differ_p when there are two base objects. Otherwise, compare
9969 base address and offset. Call may_alias_p.
9970 (dump_data_reference): Use a correct field name.
9971 (analyze_array): Make static. Initialize new data-ref fields.
9972 (analyze_indirect_ref): New function.
9973 (init_data_ref): Initialize new data-ref fields.
9974 (strip_conversion): Moved from tree-vect-analyze.c.
9975 (analyze_offset_expr, get_ptr_offset, address_analysis,
9976 object_analysis): Likewise.
9977 (analyze_offset): New function.
9978 (create_data_ref): Likewise.
9979 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9980 dimensions for ARRAY_REFs only.
9981 (build_classic_dist_vector): Make static.
9982 (access_functions_are_affine_or_constant_p): Call macro to get the
9983 address of access functions.
9984 (compute_all_dependences): Add new parameter
9985 compute_self_and_read_read_dependences. Compute self and read-read
9986 dependences if it is true.
9987 (find_data_references_in_loop): Call create_data_ref. Initialize new
9989 (compute_data_dependences_for_loop): Add new parameter
9990 compute_self_and_read_read_dependences. Remove parameter nb_loops,
9991 compute nb_loops. Call compute_all_dependences,
9992 build_classic_dist_vector and build_classic_dir_vector with correct
9994 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9995 with correct parameters. Compare dimensions for ARRAY_REFs only.
9996 (free_data_refs): Call macro to free access functions.
9997 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9998 fields from stmt_vinfo.
9999 (struct base_object_info): New structure.
10000 (struct data_reference): Move fields to base_object_info. Add fields
10001 first_location and object_info for above structures. Move fields from
10002 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
10003 aligned_to. Add macros to access the new fields.
10004 Update functions declarations.
10005 * tree-flow.h (is_aliased_with): Declare.
10006 * tree-loop-linear.c (linear_transform_loops): Call
10007 compute_data_dependences_for_loop with correct parameters.
10008 * tree-ssa-alias.c (is_aliased_with): New function.
10009 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
10010 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
10011 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
10012 vect_base_addr_differ_p, compute_subscript_distance and
10013 build_classic_dist_vector. Add printings. Check absolute value of
10015 (vect_analyze_data_ref_dependences): Go through ddrs instead of
10017 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
10018 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
10019 to bytes. Add printing.
10020 (vect_compute_data_refs_alignment): Go through loads and stores in one
10022 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
10023 vect_analyze_data_ref_access): Likewise.
10024 (vect_analyze_pointer_ref_access): Remove.
10025 (vect_address_analysis, vect_object_analysis): Likewise.
10026 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
10027 and analyze data-refs in the loop.
10028 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
10029 fields of data-ref instead of stmt. Add init to the offset from the
10031 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
10032 (vect_update_init_of_dr): Likewise.
10033 (vect_update_inits_of_drs): Go through loads and stores in one loop.
10034 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
10036 (new_loop_vec_info): Initialize new fields.
10037 (destroy_loop_vec_info): Free new fields.
10038 (vect_strip_conversion): Remove.
10039 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
10040 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
10041 datarefs. Add new field ddrs.
10042 Add macros for the new fields access.
10043 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
10044 base_aligned_p, misalignment, memtag, ptr_info and subvars.
10045 Remove their macros.
10046 * tree.h (highest_pow2_factor): Declare.
10048 2005-07-25 Jakub Jelinek <jakub@redhat.com>
10050 * calls.c (store_one_arg): Check for sibling call MEM arguments
10051 from already clobbered incoming argument area.
10053 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10055 * c-common.c (check_missing_format_attribute): New.
10056 * c-common.h (check_missing_format_attribute): Likewise.
10057 * c-typeck.c (convert_for_assignment): Use it.
10059 2005-07-24 Andreas Schwab <schwab@suse.de>
10061 * config/m68k/m68k.md ("extendqidi2"): When source is an address
10062 register use a word move. Correct operand of ext.w in 68000 code.
10064 2005-07-23 Mark Mitchell <mark@codesourcery.com>
10066 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
10067 variables as declarations, rather than definitions.
10069 2005-07-24 Ira Rosen <irar@il.ibm.com>
10071 PR tree-optimization/22526
10072 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
10075 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10077 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
10078 that C99 reserve for future use. Use it to define clog10,
10079 clog10f and clog10l.
10081 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10083 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
10084 * configure.ac: Check for -Wmissing-format-attribute.
10086 * configure: Regenerate.
10088 2005-07-23 Richard Henderson <rth@redhat.com>
10090 PR tree-optimization/22623
10091 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
10093 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
10096 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
10098 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10100 * Makefile.in (C_TREE_H): Update dependencies.
10101 * c-tree.h: Include toplev.h.
10102 * diagnostic.h (diagnostic_set_info): Add format attribute.
10103 * rtl-error.c (diagnostic_for_asm): Likewise.
10105 2005-07-23 Chao-ying Fu <fu@mips.com>
10107 * config/mips/mips-dsp.md: New file.
10108 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
10109 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
10111 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
10112 MIPS_BUILTIN_BPOSGE32.
10113 (mips_expand_builtin_direct): Add one parameter to indicate that
10114 builtin functions need to return a value.
10115 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
10117 (mips_regno_to_class): Add classes for 12 new DSP registers.
10118 (mips_subword): Change to check four HI registers.
10119 (mips_output_move): Output move to and from 6 new DSP accumulators.
10120 (override_options): Make sure -mdsp and -mips16 are not used together.
10121 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
10123 (mips_conditional_register_usage): Disable 6 new DSP accumulators
10125 (print_operand): Add 'q' for printing DSP accumulators.
10126 (mips_cannot_change_mode_class): Check ACC_REGS.
10127 (mips_secondary_reload_class): Check ACC_REGS.
10128 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
10129 (mips_register_move_cost): Check ACC_REGS.
10130 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
10131 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
10132 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
10133 (dsp_bdesc): New array.
10134 (bdesc_arrays): Add DSP builtin function table.
10135 (mips_prepare_builtin_arg): Check predicate again after
10137 (mips_expand_builtin): Add one more parameter to
10138 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
10139 MIPS_BUILTIN_BPOSGE32.
10140 (mips_init_builtins): Initialize new function types.
10141 (mips_expand_builtin_direct): Check if builtin functions need to
10142 return a value and pass operands properly.
10143 (mips_expand_builtin_bposge): New function.
10144 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
10145 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
10146 (FIRST_PSEUDO_REGISTER): Increase to 188.
10147 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
10148 Update for 12 new DSP registers.
10149 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
10150 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
10151 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
10152 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
10153 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
10154 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
10155 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
10156 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
10157 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
10158 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
10159 (REGISTER_NAMES): Add names for 12 new DSP registers.
10160 * config/mips/mips.md: Include mips-dsp.md.
10161 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
10162 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
10163 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
10164 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
10165 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
10166 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
10167 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
10168 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
10169 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
10170 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
10171 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
10172 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
10173 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
10174 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
10175 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
10176 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
10177 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
10178 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
10179 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
10180 (UNSPEC_RDDSP): New constants.
10181 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
10182 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
10184 * config/mips/mips.opt (-mdsp): New option.
10185 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
10186 (reg_imm10_operand): New predicates.
10187 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
10188 * doc/invoke.texi (-mdsp): Document new option.
10190 2005-07-22 DJ Delorie <dj@redhat.com>
10192 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
10194 * tree-inline.c (inlinable_function_p): Likewise.
10196 2005-07-22 Mark Mitchell <mark@codesourcery.com>
10199 * toplev.c (check_global_declarations): Do not mark undefined
10200 variables as DECL_IGNORED_P.
10201 * varasm.c (first_global_object_name): GTY it.
10202 (weak_global_object_name): Likewise.
10203 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
10204 a string to go into {weak,first}_global_object_name.
10206 2005-07-22 DJ Delorie <dj@redhat.com>
10208 * c-format.c (check_function_format): Change warning control
10209 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
10211 2005-07-22 Diego Novillo <dnovillo@redhat.com>
10213 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
10214 &PTR->FLD a dereference of PTR.
10215 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
10216 a potential dereference of PTR.
10218 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
10220 PR rtl-optimization/20370
10221 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
10222 call allocate_reg_info if necessary.
10224 PR rtl-optimization/21848
10225 * calls.c (emit_library_call_value_1): For const functions, add
10226 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
10228 PR rtl-optimization/22445
10229 * cselib.c (target.h): Include.
10230 (rtx_equal_for_cselib_p): Allow commutative matches.
10231 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
10232 Remove MODE parameter. Changed all callers.
10234 PR rtl-optimization/22258
10235 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
10237 (try_combine): Use likely_spilled_retval_p.
10239 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
10241 * config.gcc: Add crx-elf support.
10243 * doc/contrib.texi: Mention crx.
10244 * doc/extend.texi: Document crx extensions.
10245 * doc/install.texi: Document crx install.
10246 * doc/invoke.texi: Document crx options.
10247 * doc/md.texi: Document crx constraints.
10249 * config/crx/crx-protos.h: New file.
10250 * config/crx/crx.c: New file.
10251 * config/crx/crx.h: New file.
10252 * config/crx/crx.md: New file.
10253 * config/crx/crx.opt: New file.
10254 * config/crx/t-crx: New file.
10256 2005-07-22 Manfred Hollstein <mh@suse.com>
10258 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
10260 (int_add_graph_edge): Likewise.
10261 (collapse_nodes): Likewise.
10262 (process_unification_queue): Likewise.
10264 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10265 Laurent GUERBY <laurent@guerby.net>
10267 PR tree-optimization/22336
10268 * function.c (record_block_change): Check for
10269 cfun->ib_boundaries_block.
10271 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
10273 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
10274 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
10276 2005-07-21 DJ Delorie <dj@redhat.com>
10278 * toplev.c (warn_deprecated_use): Add warning control to warning
10280 * c-typeck.c (parser_build_binary_op): Likewise.
10281 (c_finish_if_stmt): Likewise.
10282 * c-common.c (check_function_sentinel): Likewise.
10283 (check_nonnull_arg): Likewise.
10285 2005-07-21 Richard Henderson <rth@redhat.com>
10288 * tree-complex.c (complex_ssa_name_components): New.
10289 (cvc_lookup): Allow entry not found.
10290 (create_components): Remove.
10291 (create_one_component_var, get_component_var): New.
10292 (get_component_ssa_name, set_component_ssa_name): New.
10293 (extract_component): Use get_component_ssa_name.
10294 (update_complex_components): Use set_component_ssa_name.
10295 (update_complex_components_on_edge): Likewise.
10296 (update_phi_components): Create new PHI nodes directly, instead
10297 of adding insns to edges.
10298 (tree_lower_complex): Allocate and free complex_variable_components
10299 and complex_ssa_name_components here.
10301 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
10303 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
10304 revert to returning false.
10306 2005-07-21 Uros Bizjak <uros@kss-loka.si>
10309 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
10311 2005-07-21 Uros Bizjak <uros@kss-loka.si>
10314 * config/i386/i386.md (cmpxf): Change operand constraints
10315 to "nonmemory_operand".
10317 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10319 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
10321 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10323 PR middle-end/21180
10324 * fold-const.c (fold_build1): Add checksum for the operands.
10325 (fold_build2): Likewise.
10326 (fold_build3): Likewise.
10328 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10330 PR middle-end/19055
10331 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
10333 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10335 * common.opt (-fforward-propagate): Committed by mistake,
10338 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10340 * reg-stack.c: Fix comment typo(s).
10341 * tree-ssa-operands.c: Likewise.
10342 * tree-vectorizer: Likewise.
10344 2005-07-21 Nick Clifton <nickc@redhat.com>
10346 * config/sh/symbian.c: Replace C++ style line comments with C
10347 style line comments.
10348 (symbian_add_attribute): Do not use a ? operator on the LHS of
10350 (sh_symbian_handle_dll_attribute): Change the type of the
10351 method vector to "VEC(tree,gc)*" and use vector accessor
10352 macros to walk over the elements.
10353 (symbian_export_vtable_and_rtti_p): Likewise.
10354 (symbian_class_needs_attribute_p): Likewise.
10356 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10359 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
10360 initialize targetm.resolve_overloaded_builtin here.
10361 (altivec_expand_overloaded_builtin): Make it non-static.
10362 * config/rs6000/rs6000-protos.h
10363 (altivec_expand_overloaded_builtin): New prototype.
10364 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
10365 targetm.resolve_overloaded_builtin here.
10366 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
10368 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10369 Zdenek Dvorak <dvorakz@suse.cz>
10371 PR tree-optimization/19210
10372 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
10374 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
10375 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
10376 rely on unproven assumptions.
10377 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
10378 * tree-flow.h (number_of_iterations_exit): Add final parameter.
10379 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
10380 to number_of_iterations_exit.
10381 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
10382 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
10383 * tree-ssa-loop-niter.c (find_loop_niter,
10384 estimate_numbers_of_iterations_loop): Likewise.
10385 (number_of_iterations_exit): Honor the new options.
10386 * doc/invoke.texi (Wunsafe-loop-optimizations,
10387 funsafe-loop-optimizations): Document them.
10389 2005-07-21 Richard Sandiford <richard@codesourcery.com>
10391 PR rtl-optimization/22167
10392 * gcse.c (hoist_code): Fix hoist_exprs[] check.
10394 2005-07-20 Adam Nemet <anemet@lnxw.com>
10396 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
10397 __do_global_dtors_aux longcall.
10399 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
10401 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
10402 (old_special_pred_table): Don't reference
10403 SPECIAL_MODE_PREDICATES.
10404 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
10405 * config/arc/arc.h: Don't mention PREDICATE_CODES.
10406 * config/sh/predicates.h: Don't mention
10407 SPECIAL_MODE_PREDICATES.
10408 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
10411 2005-07-20 DJ Delorie <dj@redhat.com>
10413 * config.gcc: Add m32c-elf support.
10415 * doc/contrib.texi: Mention m32c.
10416 * doc/extend.texi: Document m32c extensions.
10417 * doc/install.texi: Mention m32c.
10418 * doc/invoke.texi: Document m32c options.
10419 * doc/md.texi: Document m32c constraints.
10421 * config/m32c/addsub.md: New file.
10422 * config/m32c/bitops.md: New file.
10423 * config/m32c/cond.md: New file.
10424 * config/m32c/jump.md: New file.
10425 * config/m32c/m32c-lib1.S: New file.
10426 * config/m32c/m32c-lib2.c: New file.
10427 * config/m32c/m32c-modes.def: New file.
10428 * config/m32c/m32c-pragma.c: New file.
10429 * config/m32c/m32c-protos.h: New file.
10430 * config/m32c/m32c.abi: New file.
10431 * config/m32c/m32c.c: New file.
10432 * config/m32c/m32c.h: New file.
10433 * config/m32c/m32c.md: New file.
10434 * config/m32c/m32c.opt: New file.
10435 * config/m32c/minmax.md: New file.
10436 * config/m32c/mov.md: New file.
10437 * config/m32c/muldiv.md: New file.
10438 * config/m32c/predicates.md: New file.
10439 * config/m32c/prologue.md: New file.
10440 * config/m32c/shift.md: New file.
10441 * config/m32c/t-m32c: New file.
10443 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10445 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
10446 (stack_protect_set, stack_protect_test): New expanders.
10447 (stack_protect_set_si, stack_protect_set_si_media,
10448 stack_protect_set_di_media, stack_protect_test_si,
10449 stack_protect_test_si_media, stack_protect_test_di_media):
10452 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
10454 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10456 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
10458 * tree.h (tree_expr_nonzero_p): Export.
10459 * fold-const.c (tree_expr_nonzero_p): Likewise.
10460 Return true for CALL_EXPRs that are alloca calls.
10461 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10463 * tree-flow.h (expr_computes_nonzero): Remove.
10464 * tree-vrp.c (expr_computes_nonzero): Remove.
10465 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10466 (extract_range_from_unary_expr): Likewise.
10467 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10468 tree_expr_nonzero_p.
10470 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
10472 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10473 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
10474 extra arg "picreg" and use it instead of pic_offset_table_rtx.
10475 All callers changed.
10476 (frame_related_constant_load): New arg "related" which controls
10477 setting of RTX_FRAME_RELATED_P. All callers changed.
10478 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10479 (bfin_expand_prologue): Add stack limit checking.
10480 * config/bfin/bfin.md (trapifcc): New pattern.
10482 * config/bfin/bfin.c: Include "langhooks.h".
10483 (def_builtin): Go through lang_hooks to call builtin_function.
10485 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10486 * config/bfin/predicates.md (symbol_ref_operand): New.
10487 (call_insn_operand): Delete. All callers changed to use
10488 register_no_elim_operand.
10489 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10491 (function_arg): Use it to generate the call's operand 2.
10492 (bfin_longcall_p): New function.
10493 (bfin_expand_call): Extra arg "cookie". All callers and declaration
10494 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
10495 determine if the address needs to be in a REG.
10496 (bfin_handle_longcall_attribute): New function.
10497 (bfin_attribute_table): Add "longcall" and "shortcall".
10498 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10499 (CUMULATIVE_ARGS): New member call_cookie.
10500 (PREDICATE_CODES): Add symbol_ref_operand.
10501 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10502 extra USE to the pattern.
10503 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10504 New patterns, split off call_insn, sibcall_insn, call_value_insn and
10505 sibcall_value_insn; now the new patterns handle direct calls and the
10506 old ones indirect calls.
10507 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10509 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
10511 * doc/trouble.texi: Update section on handling of empty loops.
10513 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
10515 * config.gcc: Remove support for sparc-*-openbsd*,
10516 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10518 * config.host: Remove support for i860-*-sysv4* as a host.
10519 * config/i860/*, config/ip2k/*, config/ns32k/*,
10520 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10521 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10522 mention obsolete ports.
10524 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10526 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10527 soft frame pointer.
10528 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10529 of frame_pointer_rtx.
10530 (sh_expand_epilogue): Likewise.
10531 (sh_set_return_address): Likewise.
10532 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10533 instead of FRAME_POINTER_REGNUM if needed. Add elimination
10534 offsets from FRAME_POINTER_REGNUM.
10535 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10536 (sh_register_names): Add initializer for sfp.
10537 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10538 (VALID_REGISTER_P): Likewise.
10539 (FIRST_PSEUDO_REGISTER): Update.
10540 (DWARF_FRAME_REGISTERS): Define.
10541 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10542 (HARD_FRAME_POINTER_REGNUM): Define.
10543 (FRAME_POINTER_REGNUM): Redefine.
10544 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10545 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
10546 from FRAME_POINTER_REGNUM.
10547 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10548 FRAME_POINTER_REGNUM.
10549 (REG_CLASS_CONTENTS): Add sfp.
10550 (REG_ALLOC_ORDER): Likewise.
10551 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
10552 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10553 of frame_pointer_rtx.
10554 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10556 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
10558 * fold-const.c (tree_expr_nonnegative_p): Only return true for
10559 ABS_EXPR when flag_wrapv is false because of INT_MIN.
10560 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10562 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10565 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
10567 Make CONSTRUCTOR use VEC to store initializers.
10568 * c-common.c (complete_array_type): Update to cope with VEC in
10570 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10571 (pp_c_constructor_elts): New function.
10572 * c-pretty-print.h (pp_c_constructor_elts): Declare.
10573 * c-typeck.c (build_function_call, build_c_cast, digest_init,
10574 struct constructor_stack, struct initializer_stack,
10575 constructor_elements, push_init_level, pop_init_level,
10576 add_pending_init, find_init_member, output_init_element): Update to
10577 cope with VEC in CONSTRUCTOR_ELTS.
10578 * coverage.c (build_fn_info_value, build_ctr_info_value,
10579 build_gcov_info): Likewise.
10580 * expr.c (categorize_ctor_elements_1, store_constructor,
10581 expand_expr_real_1): Likewise.
10582 * fold-const.c (fold_ternary): Likewise.
10583 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10584 gimplify_init_constructor, gimplify_expr): Likewise.
10585 * tree-dump.c (dequeue_and_dump): Likewise.
10586 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10588 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10590 * tree-sra.c (generate_element_init_1): Likewise.
10591 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10592 * tree-ssa-operands.c (get_expr_operands): Likewise.
10593 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10594 * tree-vect-transform.c (vect_get_vec_def_for_operand):
10595 (get_initial_def_for_reduction): Likewise.
10596 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10597 value handle in annotations.
10598 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10599 tree_node_structure): Add support for constr_kind.
10600 (build_vector_from_ctor, build_constructor_single,
10601 build_constructor_from_list): New functions.
10602 (build_constructor): Update to take a VEC instead of a TREE_LIST.
10603 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10604 Update to cope with VEC in CONSTRUCTOR_ELTS.
10605 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10606 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10607 CONSTRUCTOR_APPEND_ELT): New macros.
10608 (struct constructor_elt, struct tree_constructor): New data types.
10609 (union tree_node): Add tree_constructor field.
10610 * treestruct.def: Define TS_CONSTRUCTOR.
10611 * varasm.c (const_hash_1, compare_constant, copy_constant,
10612 compute_reloc_for_constant, output_addressed_constants,
10613 initializer_constant_valid_p, output_constant,
10614 array_size_for_constructor, output_constructor): Update to cope with
10615 VEC in CONSTRUCTOR_ELTS.
10616 * vec.h (VEC_empty, VEC_copy): New macros.
10618 2005-07-19 Devang Patel <dpatel@apple.com>
10620 * dbxout.c (dbxout_type): Check Objective-C++ lang.
10622 2005-07-19 Richard Henderson <rth@redhat.com>
10625 * gimplify.c (gimplify_expr): Use main variant type for the temp
10626 destination for a discarded volatile read.
10627 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10628 casts between non-void types that change volatility.
10630 2005-07-15 DJ Delorie <dj@redhat.com>
10632 * toplev.h: Add comment about the first parameter for warning().
10633 * errors.h: Likewise.
10635 * c.opt (Wpragmas): New.
10636 * doc/invoke.texi: Document it.
10638 * function.c (do_warn_unused_parameter): Add warning control to
10640 * c-decl.c (warn_if_shadowing): Likewise.
10641 * c-lex.c (cb_def_pragma): Likewise.
10642 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10643 (pop_alignment): Likewise.
10644 (handle_pragma_pack): Likewise.
10645 (apply_pragma_weak): Likewise.
10646 (handle_pragma_weak): Likewise.
10647 (handle_pragma_redefine_extname): Likewise.
10648 (add_to_renaming_pragma_list): Likewise.
10649 (handle_pragma_extern_prefix): Likewise.
10650 (maybe_apply_renaming_pragma): Likewise.
10651 (handle_pragma_visibility): Likewise.
10653 * config/c4x/c4x-c.c (BAD): Likewise.
10654 (c4x_parse_pragma): Likewise.
10655 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10656 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10657 (rs6000_pragma_longcall): Likewise.
10658 * config/v850/v850-c.c (pop_data_area): Likewise.
10659 (ghs_pragma_section): Likewise.
10660 (ghs_pragma_section): Likewise.
10661 (ghs_pragma_interrupt): Likewise.
10662 (ghs_pragma_starttda): Likewise.
10663 (ghs_pragma_startsda): Likewise.
10664 (ghs_pragma_startzda): Likewise.
10665 (ghs_pragma_endtda): Likewise.
10666 (ghs_pragma_endsda): Likewise.
10667 (ghs_pragma_endzda): Likewise.
10669 2005-07-19 Danny Berlin <dberlin@dberlin.org>
10670 Kenneth Zadeck <zadeck@naturalbridge.com>
10672 * Makefile.in: Removed tree-promote-statics.c
10673 * tree-promote-statics.c: Removed.
10674 * common.opt: Removed flag-promote-statics.
10676 * passes.c: Removed tree-promote-statics pass.
10677 * tree-pass.h: Ditto.
10678 * timevar.def: Removed TV_PROMOTE_STATICS.
10681 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
10683 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10685 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10687 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10690 * c-common.c (check_function_arguments): Call
10691 'check_function_format' if either -Wformat or
10692 -Wmissing-format-attribute are specified.
10693 * c-format.c (check_function_format): Check -Wformat before
10694 calling 'check_format_info'.
10695 * c-opts.c (c_common_post_options): Don't warn for
10696 -Wmissing-format-attribute without -Wformat.
10697 * c-typeck.c (convert_for_assignment): Detect additional cases for
10698 -Wmissing-format-attribute.
10699 * doc/invoke.texi (-Wmissing-format-attribute): Document new
10702 2005-07-19 Richard Guenther <rguenther@suse.de>
10704 * config/i386/i386.md (lrint<mode>2): Use temporary
10705 instead of clobbering non-existent memory.
10707 2005-07-19 Nick Clifton <nickc@redhat.com>
10709 * config/avr/avr.c (legitimate_address_p): Fix debugging print
10710 statement to avoid displaying ASCII control characters.
10712 2005-07-19 Ben Elliston <bje@au.ibm.com>
10714 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10715 * cfganal.c (find_edge_index): Ditto.
10716 * combine.c (combine_instructions): Ditto.
10717 * ddg.c (create_scc): Ditto.
10718 (find_successors): Ditto.
10719 (find_predecessors): Ditto.
10720 (find_nodes_on_paths): Ditto.
10721 (longest_simple_path): Ditto.
10722 * flow.c (update_life_info): Ditto.
10723 (count_or_remove_death_notes): Ditto.
10724 (clear_log_links): Ditto.
10725 * modulo-sched.c (generate_reg_moves): Ditto.
10726 (find_max_asap): Ditto.
10727 (find_max_hv_min_mob): Ditto.
10728 (find_max_dv_min_mob): Ditto.
10729 * sbitmap.c (sbitmap_first_set_bit): Ditto.
10730 * sched-rgn.c (extract_edgelst): Ditto.
10731 * tree-into-ssa.c (prepare_names_to_update): Ditto.
10732 (dump_update_ssa): Ditto.
10733 (ssa_names_to_replace) Ditto.
10734 (switch_virtuals_to_full_rewrite): Ditto.
10735 (update_ssa): Ditto.
10736 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10738 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
10740 Fix PR tree-optimization/22483
10742 * tree-complex.c (create_components): Use
10743 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10744 * tree-flow-inline.h (fill_referenced_var_vec): New function.
10745 * tree-flow.h (safe_referenced_var_iterator): New structure.
10746 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10747 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10748 safe_referenced_var iterator.
10749 (add_type_alias): Ditto.
10751 2005-07-19 Steven Bosscher <stevenb@suse.de>
10753 * loop-init.c (rest_of_handle_loop2): Remove.
10754 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10755 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10756 (pass_rtl_loop_init, pass_rtl_loop_done,
10757 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10758 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10759 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10760 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10761 pass_tree_loop_done, and pass_tree_unswitch.
10762 (gate_loop): Rename to gate_tree_loop.
10763 * passes.c (init_optimization_passes): Update for renamed tree
10764 loop passes. Add the new loop2 passes as subpasses of loop2.
10765 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10766 Update for the renamed tree loop passes.
10768 2005-07-18 Ian Lance Taylor <ian@airs.com>
10770 PR middle-end/22057
10771 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10772 blocks when optimizing.
10774 2005-07-18 Steve Ellcey <sje@cup.hp.com>
10776 * common.opt (frename-registers): Initialize to 2.
10778 (fgcse-after-reload): Ditto.
10779 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10780 (process_options): Only change flag_web, flag_rename_registers,
10781 and flag_rerun_cse_after_loop if not explicitly set by user.
10783 2005-07-18 Jan Beulich <jbeulich@novell.com>
10785 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10786 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10787 in 64-bit mode the same as DImode in 32-bit mode.
10788 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10789 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10790 mode. Add new mode parameter.
10791 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10792 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10793 x86_64_shift_adj): New expanders.
10794 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10795 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10797 Respective new splitters. Use renamed shift splitter helpers in 32-bit
10798 DImode shift splitters.
10799 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10800 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10803 2005-07-18 Jan Beulich <jbeulich@novell.com>
10805 * i386.md (movdi_extzv_1): New.
10806 (zero_extendhidi2): Combine alternatives and never force use of
10808 (zero_extendqidi2): Likewise. Don't restrict input selection.
10810 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10812 Fix PR tree-optimization/22531
10813 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
10816 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10818 * tree-promote-statics.c (pass_promote_statics): Change dump file
10821 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10823 * tree-optimize.c (init_tree_optimization_passes): Add
10824 pass_eliminate_useless_stores pass.
10825 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10826 * tree-ssa-pre.c (is_copy_stmt): New function.
10827 (follow_copies_till_vuse): Ditto.
10828 (do_eustores): Ditto.
10829 (gate_eustores): Ditto.
10831 2005-07-16 Richard Henderson <rth@redhat.com>
10833 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10835 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10836 Kenneth Zadeck <zadeck@naturalbridge.com>
10838 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10839 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10840 ipa-type-escape.h, tree-promote-statics.c
10841 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10842 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10843 tree-promote-statics.c: new files.
10844 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10845 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10846 int nonlocal_set_p, mark_constant_function): Deleted.
10847 (rest_of_handle_cfg): Removed call to mark_constant_function.
10848 (nonoverlapping_component_refs_p): Added calls to support
10849 type based aliasing.
10850 * tree-ssa-alias.c (may_alias_p,
10851 compute_flow_insensitive_aliasing): Ditto.
10852 * calls.c (flags_from_decl_or_type): Removed reference to
10854 * c-typeck.c (convert_arguments): Make builtins tolerant of having
10855 too many arguments. This is necessary for Spec 2000.
10856 * cgraph.h (const_function, pure_function): Removed.
10857 * common.opt: Added "fipa-pure-const", "fipa-reference",
10858 "fipa-type-escape", and "ftree-promote-static".
10860 * passes.c: Added ipa and tree-promote-statics passes.
10861 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10862 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10863 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10864 * tree-flow.h: Added exposed sra calls and addition of
10865 reference_vars_info field for FUNCTION_DECLS.
10866 * tree-pass.h: Added passes.
10867 * tree-sra.c: (sra_init_cache): New function.
10868 (sra_insert_before, sra_insert_after) Made public.
10869 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10871 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10872 aliasing. (may_alias_p): Added code to use type escape analysis to
10873 improve alias sets.
10874 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10875 code to prune clobbers of static variables based on information
10876 produced in ipa-reference pass. Changed call clobbering so that
10877 statics are not marked as clobbered if the call does not clobber
10880 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
10882 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10885 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10887 * doc/install.texi (*-*-solaris2*): Document recommended version
10888 of GNU binutils and mention GNU linker problem on Solaris 10.
10890 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
10893 * c-decl.c (c_build_bitfield_integer_type): New function.
10894 (finish_struct): Call it.
10895 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10897 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10899 * c-typeck.c (digest_init): Call 'convert_for_assignment'
10902 2005-07-16 Jan Hubicka <jh@suse.cz>
10904 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10905 (scale_bbs_frequencies_int): Watch roundoff errors.
10906 * predict.c (return_prediction): Initialize return_stmt.
10908 2005-07-16 Jan Hubicka <jh@suse.cz>
10910 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10911 after RTL profiling.
10913 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
10915 PR middle-end/22398
10916 * fold-const.c (build_range_check): Convert high/low to etype
10917 if we are only comparing against exp.
10919 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
10921 Fix PR tree-optimization/22376
10922 * tree-ssa-structalias.c (build_constraint_graph): We really meant
10924 (need_to_solve): New function.
10925 (compute_points_to_sets): Use it.
10927 2005-07-15 Jan Hubicka <jh@suse.cz>
10929 * cfg.c (update_bb_profile_for_threading): More diagnostic.
10930 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10932 2005-07-15 Richard Guenther <rguenther@suse.de>
10934 * c-common.c (handle_flatten_attribute): New function.
10935 Add flatten function attribute.
10936 * doc/extend.texi: Document flatten function attribute.
10937 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10938 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10940 (cgraph_decide_inlining): Handle functions with flatten
10943 2005-07-14 David Edelsohn <edelsohn@gnu.org>
10945 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10946 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10947 UNSPEC_XCHG, UNSPEC_AND): New.
10948 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10949 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10950 * config/rs6000/sync.md (FETCHOP): New code macro.
10951 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10953 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10954 (sync_compare_and_swap<mode>): Same.
10955 (sync_lock_test_and_set<mode>): Same.
10956 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10957 for QImode and HImode, and not PPC405.
10958 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10959 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10960 (sync_<fetchop>{si,di}_internal): New.
10961 (sync_nand{si,di}_internal): New.
10962 (sync_old_<fetchop>{si,di}_internal): New.
10963 (sync_old_nand{si,di}_internal): New
10964 (sync_new_<fetchop>{si,di}_internal): New.
10965 (sync_new_nand{si,di}_internal): New.
10966 (atomic_and{si,di}): New.
10967 (sync_new_nand{si,di}_internal): New.
10968 (atomic_and{si,di}): New.
10969 (sync_add<mode>_internal): Delete.
10970 (sync_addshort_internal): Use unspec instead of unspec_volatile.
10971 (sync_sub<mode>_internal): Delte.
10972 (sync_subshort_internal): New.
10973 (sync_andsi_internal): Use unspec instead of unspec_volatile.
10974 (sync_anddi_internal): Delete.
10975 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10976 (sync_booldi_internal): Delete.
10977 (sync_boolc<mode>_internal): Delete.
10978 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10979 (sync_boolc<mode>_internal2): Delete.
10980 (sync_boolcc<mode>_internal): Delete.
10981 (isync, lwsync): Use unspec instead of unspec_volatile.
10982 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10983 Revert UNSPEC_VOLATILE.
10984 (rs6000_split_atomic_op): New.
10985 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10987 2005-07-14 Eric Christopher <echristo@redhat.com>
10989 * config/mips/mips.c (mips_canonicalize_comparison): Cast
10990 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10992 2005-07-14 Eric Christopher <echristo@redhat.com>
10994 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10996 2005-07-14 Steven Bosscher <stevenb@suse.de>
10998 PR tree-optimization/22230
10999 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
11000 the computation of the four cross productions for "range op range".
11002 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
11003 Ulrich Weigand <uweigand@de.ibm.com>
11006 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
11009 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
11011 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
11013 2005-07-14 Steve Ellcey <sje@cup.hp.com>
11015 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
11017 2005-07-14 Richard Guenther <rguenther@suse.de>
11019 PR middle-end/22347
11020 * config/i386/i386-protos.h (ix86_function_value): Change
11021 prototype to match new target hook.
11022 * config/i386/i386.c (ix86_value_regno): Change prototype
11023 to take extra type argument.
11024 (TARGET_FUNCTION_VALUE): Define.
11025 (ix86_function_ok_for_sibcall): Pass extra argument to
11026 ix86_value_regno, check return slot rtx for exact match.
11027 (ix86_function_value): Take extra parameter. Dispatch to
11028 ix86_value_regno with fndecl/fntype as provided.
11029 (ix86_value_regno): Handle extra type argument.
11030 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
11032 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
11033 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
11034 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
11035 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
11036 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
11038 2005-07-14 Richard Guenther <rguenther@suse.de>
11040 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
11041 * calls.c (expand_call): Pass fntype to hard_function_value.
11042 (emit_library_call_value_1): Likewise.
11043 * explow.c: Include target.h.
11044 (hard_function_value): Take extra argument, the fntype.
11045 Use new target hook for function_value.
11046 * expr.h (hard_function_value): Change prototype.
11047 * function.c (aggregate_value_p): Pass 0 as fntype to
11048 hard_function_value.
11049 (assign_parms): Use new target hook for function_value.
11050 Pass 0 as fntype to hard_function_value.
11051 (expand_function_end): Likewise.
11052 * reg-stack.c: Include target.h.
11053 (stack_result): Use new target hook for function_value.
11054 * target-def.h: New target hook function_value.
11055 * target.h: Likewise.
11056 * targhooks.c (default_function_value): New function.
11057 * targhooks.h (default_function_value): Declare.
11059 2005-07-13 Ian Lance Taylor <ian@airs.com>
11061 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
11063 2005-07-14 Jan Hubicka <jh@suse.cz>
11065 * tree-dfa.c (dump_variable): Use default_def function.
11066 * tree-ssa-alias.c (dump_points_to_info): Likewise.
11067 * tree-ssa.c (verify_use): Likewise.
11068 * tree-ssanames.c (release_ssa_name): Likewise.
11069 * tree-tailcall.c (eliminate_tail_call): Likewise.
11070 (tree_optimize_tail_calls_1): Likewise.
11071 * tree-vrp.c (get_value_range): Likewise.
11073 2005-07-14 Ben Elliston <bje@au.ibm.com>
11075 * gcc.c (main): Compare language[0] with '*' when iterating over
11078 2005-07-13 Adrian Straetling <straetling@de.ibm.com>
11080 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
11081 "s390_emit_compare". Add handling of CCZ1mode.
11082 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
11083 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
11085 (s390_branch_condition_mask): Add CCZ1mode handling.
11086 * config/s390/s390.md: ("seq", "*seq"): New pattern.
11087 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
11088 Use CCZ1mode instead of CCZmode.
11089 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
11091 2005-07-13 Adrian Straetling <straetling@de.ibm.com>
11093 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
11095 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
11097 2005-07-13 Eric Christopher <echristo@redhat.com>
11099 * config/mips/mips.c (mips_canonicalize_comparison): New.
11100 (mips_emit_int_relational): Use.
11102 2005-07-13 Eric Christopher <echristo@redhat.com>
11104 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11105 static extra parts.
11106 * config/s390/s390.md: Include tpf.md. Move tpf specific
11108 * config/s390/tpf.md: To here.
11109 * config/s390/s390.opt: Move tpf specific options...
11110 * config/s390/tpf.opt: to here. Add mmain option.
11111 * config/s390/tpf-unwind.h: Remove unnecessary defines.
11112 * config/s390/tpf.h: Rewrite.
11114 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
11116 * doc/tm.texi: Remove @xref{Cross-profiling}.
11118 2005-07-13 Jeff Law <law@redhat.com>
11120 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
11121 expressions, test their _DECL operands for pointer equality rather
11122 than using operand_equal_p.
11124 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
11126 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
11127 (TARGET_POSIX_IO): This.
11128 * config/darwin.h: Likewise.
11129 * config/freebsd.h: Likewise.
11130 * config/linux.h: Likewise.
11131 * config/lynx.h: Likewise.
11132 * config/netbsd.h: Likewise.
11133 * config/rs6000/linux64.h: Likewise.
11134 * config/rs6000/linux.h: Likewise.
11135 * config/s390/tpf.h: Likewise.
11136 * config/sh/embed-elf.h: Likewise.
11137 * config/sparc/linux64.h: Likewise.
11138 * config/sparc/linux.h: Likewise.
11139 * config/svr4.h: Likewise.
11140 * gcov-io.h: Likewise.
11142 * doc/tm.texi: Updated.
11144 * libgcov.c (create_file_directory): Defined only if
11145 TARGET_POSIX_IO is defined.
11146 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
11149 2005-07-13 Jan Hubicka <jh@suse.cz>
11151 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
11153 2005-07-13 David Edelsohn <edelsohn@gnu.org>
11155 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
11156 structure as argument.
11158 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
11160 PR tree-optimization/21921
11161 * tree-iterator.c (tsi_link_before): Support the case when
11162 tsi_end_p (tsi) == true.
11164 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11166 PR tree-optimization/22442
11167 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
11170 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11172 PR rtl-optimization/20376
11173 * toplev.c (process_options): Enable -fweb and -frename-registers when
11175 * doc/invoke.texi: Update the information about when -fweb and
11176 -frename-registers are enabled.
11178 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11181 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
11182 if *rhs_p is not a SSA_NAME.
11184 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
11186 Fix PR tree-optimization/22422
11187 * tree-ssa-structalias.c (struct variable_info): Add flag for
11189 (get_varinfo): Now a static function.
11190 (new_varinfo): init has_union and is_special_var to false.
11191 (solution_set_add): Check has_union.
11192 (do_da_constraint): Move temporary variable so it gets reset
11194 Also check for special variable.
11195 (do_ds_constraint): Ditto.
11196 (do_sd_constraint): Ditto.
11197 (do_structure_copy): Check for special variable.
11198 (find_func_aliases): Ditto.
11199 (init_base_vars): Set special vars properly.
11201 2005-07-13 Jan Hubicka <jh@suse.cz>
11203 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
11206 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
11207 (get_expr_operands): Fix thinko wrt flags and subvars.
11209 PR tree-optimize/22379
11210 * tree-inline.c (expand_call_inline): Do not output sorry in early
11213 2005-07-12 Dale Johannesen <dalej@apple.com>
11215 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
11217 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11220 * host-linux.h: Include limits.h.
11222 2005-07-12 Dale Johannesen <dalej@apple.com>
11224 * expr.c (compress_float_constant): Add cost check.
11225 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
11227 2005-07-12 Dale Johannesen <dalej@apple.com>
11229 * gcc.target/i386/compress-float-sse.c: New.
11230 * gcc.target/i386/compress-float-sse-pic.c: New.
11231 * gcc.target/i386/compress-float-387.c: New.
11232 * gcc.target/i386/compress-float-387-pic.c: New.
11233 * gcc.dg/compress-float-ppc.c: New.
11234 * gcc.dg/compress-float-ppc-pic.c: New.
11236 2005-07-12 Eric Christopher <echristo@redhat.com>
11238 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11239 static extra parts.
11240 * config/s390/s390.md: Include tpf.md. Move tpf specific
11242 * config/s390/tpf.md: To here.
11243 * config/s390/s390.opt: Move tpf specific options...
11244 * config/s390/tpf.opt: to here. Add mmain option.
11245 * config/s390/tpf-unwind.h: Remove unnecessary defines.
11246 * config/s390/tpf.h: Rewrite.
11248 2005-07-12 Eric Christopher <echristo@redhat.com>
11250 * gcc.c (struct infile): Update comment for language.
11251 (main): Rewrite input file resetting code.
11253 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11256 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
11257 requiring a cast in a non RHS of modify_expr. Add a cast when required.
11258 (lookup_avail_expr): Use constant_boolean_node instead
11259 of boolean_false_node/boolean_true_node.
11261 2005-07-12 Ben Elliston <bje@au.ibm.com>
11263 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
11264 and use it when printing num_edges.
11266 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
11268 * doc/extend.texi (Blackfin Built-in Functions): New section.
11269 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
11272 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
11274 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
11275 s/cmpstrsi/cmpstrnsi
11276 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
11278 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
11279 (init_optabs): Initialize cmpstrn_optab.
11280 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
11281 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
11282 * expr.c: (enum insn_code cmpstrn_optab): Declare.
11283 * config/i386/i386.md: s/cmpstr/cmpstrn
11284 * config/c4x/c4x.md: s/cmpstr/cmpstrn
11285 * doc/md.texi: Update documentation.
11287 2005-07-11 Richard Henderson <rth@redhat.com>
11289 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
11290 build_va_arg_indirect_ref.
11291 (alpha_gimplify_va_arg): Likewise.
11292 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
11293 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11294 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
11295 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
11296 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11297 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
11299 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11301 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11303 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
11304 * passes.c (init_optimization_passes): Add pass_empty_loop.
11305 * tree-pass.h (pass_empty_loop): Declare.
11306 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
11307 try_remove_empty_loop, remove_empty_loops): New functions.
11308 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
11309 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
11311 2005-07-12 Peter Barada <peter@the-baradas.com>
11313 PR middle-end/16719
11314 PR middle-end/18421
11315 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
11316 in address registers.
11317 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
11318 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
11319 alternative of addsi3_5200.
11321 2005-07-11 Ian Lance Taylor <ian@airs.com>
11323 * config/mips/mips.md (ffs<mode>2): Remove.
11325 2005-07-11 Ian Lance Taylor <ian@airs.com>
11327 * doc/tree-ssa.texi (Cleanups): Improve description of
11329 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
11331 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
11333 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
11334 * tree.h (DECL_ARGUMENT_FLD): New macro.
11336 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
11338 Fix PR tree-optimization/22404
11340 * tree-ssa-structalias.c (create_variable_info_for): Use
11343 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
11345 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
11346 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
11347 for second comparison operand.
11348 * config/bfin/predicates.md (reg_or_const_int_operand): New.
11350 * config/bfin/bfin.md (define_attr "type"): Add "sync".
11351 (define_insn_reservation "alu"): Likewise.
11352 (csync, ssync): Now of type sync.
11353 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
11354 -mcsync-anomaly -mspecld-anomaly.
11355 * config/bfin/bfin.opt (mcsync): Remove.
11356 (mcsync-anomaly, mspecld-anomaly): Add.
11357 * config/bfin/bfin.c: Include "insn-codes.h".
11358 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
11359 (TARGET_DEFAULT_TARGET_FLAGS): New.
11360 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
11362 2005-07-11 Steven Bosscher <stevenb@suse.de>
11364 * basic-block.h: Give the BB flags enum a name, bb_flags.
11365 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
11366 * cfgcleanup.c (enum bb_flags): Remove here.
11367 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
11368 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
11369 (update_forwarder_flag): Likewise.
11370 (thread_jump): Likewise.
11371 (try_forward_edges): Likewise.
11372 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
11373 forwarder flags. Don't clear bb->aux for all basic blocks. Only
11374 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
11376 2005-07-11 Richard Guenther <rguenther@suse.de>
11378 * config/i386/i386.opt: New target option -msseregparm.
11379 * config/i386/i386.c (override_options): Error out for
11380 -msseregparm but no SSE support.
11381 (ix86_function_sseregparm): Check for global sseregparm.
11382 * doc/invoke.texi: Document -msseregparm.
11384 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11386 * config.gcc (m32r-*-linux*): Use the default extra_parts.
11387 (m32rle-*-linux*): Ditto.
11389 2005-07-11 Jakub Jelinek <jakub@redhat.com>
11391 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
11392 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
11395 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11397 PR middle-end/22239
11399 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
11400 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
11402 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
11404 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
11405 (varmap): Heapify varmap.
11406 (constraints): Heapify constraints.
11407 (struct constraint_graph): Heapify succs and preds.
11408 (constraint_vec_find): Update for heapification.
11409 (constraint_set_union): Ditto.
11410 (insert_into_complex): Ditto.
11411 (constraint_edge_vec_find): Ditto.
11412 (erase_graph_self_edge): Ditto.
11413 (add_graph_edge): Ditto.
11414 (get_graph_weights): Ditto.
11415 (merge_graph_nodes): Ditto.
11416 (build_constraint_graph): Ditto.
11417 (topo_visit): Ditto.
11418 (solve_graph): Ditto.
11419 (create_variable_info_for): Ditto.
11420 (init_base_vars): Ditto.
11421 (delete_points_to_sets): Free graph, varmap, and complex constraints.
11422 (condese_varmap_nodes): Free complex vector.
11423 (clear_edges_for_node): Clear succs and preds vector.
11425 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
11427 * tree-ssa-structalias.c (update_alias_info): Change counting of
11428 references to not include vdefs.
11430 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
11432 * tree-ssa-alias.c (free_used_part_map): Add missing free.
11433 (up_insert): Ditto.
11435 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11437 * pa.c (pa_commutative_p): Make PLUS commutative when
11438 TARGET_NO_SPACE_REGS is true.
11440 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11442 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
11443 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
11444 * tree-dfa.c (dump_subvars_for): New.
11445 (debug_subvars_for): New.
11446 (dump_variable): Show subvariables if VAR has them.
11447 * tree-flow-inline.h (get_subvar_at): New.
11448 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
11449 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
11451 (struct subvar): Change fields offset and size to unsigned
11453 (dump_subvars_for): Declare.
11454 (debug_subvars_for): Declare.
11455 (get_subvar_at): Declare.
11456 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11457 to unsigned HOST_WIDE_INT *.
11458 (overlap_subvar): Likewise.
11459 * tree-gimple.c (is_gimple_reg): Always return false for
11460 SFTs and memory tags.
11461 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11462 Update all callers.
11463 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11464 (compute_may_aliases): Call compute_points_to_sets.
11465 (collect_points_to_info_for): Remove.
11466 (compute_points_to_and_addr_escape): Remove.
11467 (delete_alias_info): Call delete_points_to_sets.
11468 (compute_flow_sensitive_aliasing): If the call to
11469 find_what_p_points_to returns false, call set_pt_anything.
11470 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11471 (set_pt_anything): Clear pi->pt_vars.
11472 (set_pt_malloc): Remove.
11473 (merge_pointed_to_info): Remove.
11474 (add_pointed_to_expr): Remove.
11475 (add_pointed_to_var): Remove.
11476 (collect_points_to_info_r): Remove.
11477 (is_escape_site): Make extern.
11479 (create_overlap_variables_for): Call it.
11480 * tree-ssa-copy.c (merge_alias_info): Never merge
11481 flow-sensitive alias information.
11482 * tree-ssa-operands.c (get_expr_operands): Adjust variables
11483 offset and size to be unsigned HOST_WIDE_INT.
11484 (add_to_addressable_set): Rename from note_addressable.
11485 Set TREE_ADDRESSABLE as the variables are added to the set.
11487 (add_stmt_operand): Do not try to micro-optimize unmodifiable
11488 operands into VUSEs when adding V_MAY_DEFs for members in an
11490 * tree-ssa-operands.h (add_to_addressable_set): Declare.
11491 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11492 (struct variable_info): Add bitfield is_heap_var.
11493 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11494 (new_var_info): Initialize is_heap_var.
11495 (get_constraint_for): Add HEAP variables to the symbol table.
11496 Mark them with is_heap_var.
11497 (update_alias_info): New. Taken mostly from the old
11498 compute_points_to_and_addr_escape.
11499 (handle_ptr_arith): New.
11500 (find_func_aliases): Call update_alias_info.
11501 Call handle_ptr_info for tcc_binary expressions.
11502 Call mark_stmt_modified.
11503 (create_variable_info_for): If DECL has subvars, do not create
11504 variables for its subvars. Always add all the fields.
11505 (set_uids_in_ptset): If the solution includes ANYOFFSET and
11506 SFTs, then add all the SFTs of the structure.
11507 If VI->DECL is an aggregate with subvariables, add the SFT at
11509 (find_what_p_points_to): If VI is an artificial variable,
11510 translate to bitfields in SSA_NAME_PTR_INFO.
11511 If the solution is empty, set pi->pt_vars to NULL
11512 (init_base_vars): Create ANYOFFSET.
11513 (compute_points_to_sets): Rename from create_alias_vars.
11515 (pass_build_pta): Remove.
11516 (delete_points_to_sets): Rename from delete_alias_vars.
11517 (pass_del_pta): Remove.
11518 * tree-ssa-structalias.h (struct alias_info): Move from
11520 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11521 NUM_REFERENCES_SET): Likewise.
11522 (compute_points_to_sets, delete_points_to_sets): Declare.
11524 2005-07-09 Richard Henderson <rth@redhat.com>
11526 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11527 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11528 alpha_split_lock_test_and_set_12): New functions.
11529 * config/alpha/alpha-protos.h: Update.
11530 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11531 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11532 * config/alpha/sync.md (I12MODE): New.
11533 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11534 (sync_<fetchop_name><I48MODE>): Likewise.
11535 (sync_nand<I48MODE>): Likewise.
11536 (sync_old_<fetchop_name><I48MODE>): Likewise.
11537 (sync_new_<fetchop_name><I48MODE>): Likewise.
11538 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11539 (sync_compare_and_swap<I48MODE>): Likewise.
11540 (sync_lock_test_and_set<I48MODE>): Likewise.
11541 (sync_compare_and_swap<I12MODE>): New.
11542 (sync_compare_and_swap<I12MODE>_1): New.
11543 (sync_lock_test_and_set<I12MODE>): New.
11544 (sync_lock_test_and_set<I12MODE>_1): New.
11546 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11550 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11552 2005-07-09 Jakub Jelinek <jakub@redhat.com>
11554 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11555 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11557 2005-07-09 Richard SAndiford <richard@codesourcery.com>
11560 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11562 2005-07-08 David Edelsohn <edelsohn@gnu.org>
11564 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11565 memory_operand constraint.
11566 (store_conditional_<mode>): Same.
11567 (sync_compare_and_swap<mode>): Same.
11568 (sync_lock_test_and_set<mode>): Same.
11570 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
11572 Rewrite PIC support to more closely model actual instructions.
11573 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11574 (cris_symbol): Remove prototypes for removed functions.
11575 (cris_pic_symbol_type_of, cris_valid_pic_const)
11576 (cris_expand_pic_call_address): Prototypes for new functions.
11577 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11579 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11581 <case ':'>: Add case for new punctuation character.
11582 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11583 emitting (extra) PIC modifier.
11584 <case UNSPEC>: Do not assert for PLT.
11585 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11586 (cris_expand_prologue, cris_expand_epilogue): Check
11587 for pic_offset_table_rtx usage instead of taking
11588 current_function_uses_pic_offset_table as the final word.
11589 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11590 Remove flag_pic difference.
11591 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11592 the moral equivalents of...
11593 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11595 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11596 (cris_handle_option): Mark ARG as unused.
11597 (cris_expand_pic_call_address): New worker function for "call",
11599 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11600 output PIC constructs here.
11601 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11602 as symbol-specific modifers, not whole or part of operands.
11603 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11604 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11605 constants and flag_pic.
11606 (CONSTANT_INDEX_P): Adjust for new functions.
11607 (enum cris_pic_symbol_type): New helper type.
11608 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11609 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11610 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11612 ("movsi"): Emit actual instructions for GOT and relative access.
11613 ("*movsi_got_load"): New pattern to set up the register holding
11615 ("*movsi_internal"): Operand 1 is not a plain general_operand.
11616 Adjust FIXME for 'S'.
11617 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11618 Use "movs" for -fpic cases.
11619 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11620 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11621 ("call", "call_value"): Just call cris_expand_pic_call_address for
11623 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11624 Remove special pattern.
11625 ("*expanded_call_side", "*expanded_call_value_side"): New
11627 (gotplt-to-plt, gotplt-to-plt-side-call)
11628 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11630 * config/cris/cris/predicates.md
11631 ("cris_general_operand_or_gotless_symbol"): Remove unused
11633 ("cris_general_operand_or_symbol"): Adjust for new functions.
11635 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11637 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11639 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
11641 * Makefile.in (TREE_H): Add treestruct.def.
11642 (c-decl.o): Add pointer-set.h
11643 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11644 visibility on regular DECL's.
11645 (merge_decls): Fix the copying of decl nodes of various types for
11646 the new structures. Don't update RTL, section name, weak status,
11647 etc, on DECL's without RTL.
11648 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11649 Don't check volatile on non-variable types.
11650 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11651 to check whether we have seen arguments.
11652 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11653 flag is checked before field (flag is common, field is not).
11654 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
11655 TS_DECL_COMMON could have an origin.
11656 (add_location_or_const_value_attribute): Don't check section name
11657 on non-var/function decls.
11658 (dwarf2out_var_location): Reverse order of tests.
11659 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11660 with DECL_WRTL_CHECK.
11661 * expmed.c (make_tree): rtl is now in decl_with_rtl.
11662 * fold-const.c (fold_binary): Don't check weakness on
11663 non-var/function decls.
11664 (tree_expr_nonzero_p): Ditto.
11665 (fold_checksum_tree): Use tree_decl_extra as sizeof
11667 * ggc-page.c (extra_order_size_table): Add sizes for
11668 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
11670 * gimplify.c (gimplify_bind_expr): Only set
11671 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11672 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11674 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11675 * langhooks.h (init_ts). New langhook.
11676 * passes.c (rest_of_decl_compilation): Reverse order of tests.
11677 * print-tree.c (print_node): Update to only print fields that
11678 exist in the structures the passed decl has.
11679 * toplev.c (wrapup_global_declarations): Don't reset
11680 DECL_DEFER_OUTPUT on DECL's that don't contain it.
11681 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11682 * tree-inline.c (remap_decl): Ditto.
11683 * tree-outof-ssa.c (create_temp): Reverse order of tests.
11684 * tree-pretty-print.c (print_declaration): Don't print
11685 DECL_REGISTER on things that don't contain it.
11686 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11687 non-var/function decls.
11688 * tree.c (tree_contains_struct): New structure.
11689 (init_priority_for_decl): New hashtable.
11690 (tree_int_map): New structure.
11691 (tree_int_map_eq): New function.
11692 (tree_int_map_marked_p): Ditto.
11693 (tree_int_map_hash): Ditto.
11694 (tree_map): Move to tree.h.
11695 (tree_map_eq): Externalize.
11696 (tree_map_hash): Ditto.
11697 (tree_map_marked_p): Ditto.
11698 (init_ttree): Set up tree_contains_struct and call langhook.
11699 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11700 (tree_code_size): Update for new structures.
11701 (tree_node_structure): Update for new structures.
11702 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11704 (copy_node_stat): Copy init priority.
11705 (build_decl_stat): Ditto for visibility.
11706 (ts_enum_names): New.
11707 (tree_contains_struct_check_failed): New function.
11708 (decl_init_priority_lookup): Ditto.
11709 (decl_init_priority_insert): Ditto.
11710 * treestruct.def: New file.
11711 * tree.h (CODE_CONTAINS_STRUCT): New macro.
11712 (CONTAINS_STRUCT_CHECK): Ditto.
11713 (tree_contains_struct_check_failed): New prototype.
11714 (DECL_CHECK): Removed.
11715 (DECL_MINIMAL_CHECK): New.
11716 (DECL_COMMON_CHECK): Ditto.
11717 (DECL_WRTL_CHECK): Ditto.
11718 (DECL_NON_COMMON_CHECK): Ditto.
11719 (DECL_WITH_VIS_CHECK): Ditto.
11720 (VAR_OR_FUNCTION_DECL_P): Ditto
11721 (struct tree_decl_minimal): New structure.
11722 (struct tree_decl_common): Ditto.
11723 (struct tree_decl_with_rtl): Ditto.
11724 (struct tree_decl_with_vis): Ditto.
11725 (struct tree_decl_non_common): Ditto.
11726 (struct tree_field_decl): Ditto.
11727 (struct tree_parm_decl): Ditto.
11728 (struct tree_var_decl): Ditto.
11729 (struct tree_function_decl): Ditto.
11730 (struct tree_const_decl): Ditto.
11731 (struct tree_result_decl): Ditto.
11732 (union tree_node): Add new structures.
11733 * var-tracking.c (track_expr_p): Reverse order of tests.
11735 * doc/c-tree.texi: Add documentation on DECL node internal structure.
11737 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11739 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11740 * system.h: Poison FINALIZE_PIC.
11741 * doc/tm.texi (FINALIZE_PIC): Remove.
11743 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11746 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11747 to the correct type if we have a MODIFY_EXPR.
11749 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11751 PR tree-optimization/22360
11752 * tree.c (upper_bound_in_type): Fix calculations for casting
11753 to a non-wider signed type and casting a signed value to a
11754 wider unsigned type.
11755 (lower_bound_in_type): Fix calculations for casting to a
11756 non-wider signed type.
11758 PR tree-optimization/20139
11759 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11761 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11762 fold_cond_expr_cond.
11763 * tree-ssanames.c (release_defs): Assert in_ssa_p.
11764 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11766 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11769 * tree-complex.c (expand_complex_libcall): Produce
11770 REALPART_EXPR/IMAGPART_EXPR with the correct type.
11772 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
11774 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11775 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11776 b" assert and inserted fastpath code for this case.
11777 (bitmap_ior): Removed "a != b" assert.
11779 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11781 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11782 (ENDFILE_SPEC): Likewise.
11783 * config/m32r/m32r.h (ASM_SPEC): Likewise.
11785 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11786 a large stack frame at epilogue.
11788 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
11790 * final.c: Include sdbout.h when required.
11792 2005-07-07 Geoffrey Keating <geoffk@apple.com>
11794 * config.gcc (*-*-darwin*): Only one target-specific header file
11795 for generic darwin.
11796 (powerpc-*-darwin*): Add version-specific header files.
11797 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11798 * config.in: Regenerate.
11799 * configure: Regenerate.
11800 * gcc.c: Include xregex.h.
11801 (version_compare_spec_function): New.
11802 (spec_function): Add version-compare.
11803 (replace_outfile_spec_function): Reformat comment.
11804 (compare_version_strings): New.
11805 * config/darwin-c.c (version_as_macro): New.
11806 (builtin_define): New.
11807 (darwin_cpp_builtins): New.
11808 * config/darwin-protos.h (darwin_cpp_builtins): New.
11809 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11810 (LIB_SPEC): Make unconditional, update comment.
11811 (TARGET_C99_FUNCTIONS): Define.
11812 * config/darwin.opt: Sort.
11813 (mmacosx-version-min=): New.
11814 * config/darwin7.h: Delete.
11815 * config/darwin8.h: Delete.
11816 * config/i386/darwin.h (): Call darwin_cpp_builtins.
11817 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11818 (TARGET_C99_FUNCTIONS): Define.
11819 * config/rs6000/darwin7.h: New.
11820 * config/rs6000/darwin8.h: New.
11821 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11822 (-mmacosx-version-min): Document.
11824 2005-07-07 Ian Lance Taylor <ian@airs.com>
11826 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11828 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
11830 PR middle-end/22239
11831 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11833 2005-07-07 Khem Raj <kraj@mvista.com>
11835 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11836 in bytes, not words.
11838 2005-07-07 Paul Brook <paul@codesourcery.com>
11840 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11841 DEFAULT_FUNCTION_ARG_PADDING to upward.
11843 2005-07-07 Richard Henderson <rth@redhat.com>
11845 * function.c (locate_and_pad_parm): Record parameter alignment in
11846 stack_alignment_needed.
11848 2005-07-07 David Edelsohn <edelsohn@gnu.org>
11850 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11851 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11852 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11853 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11854 (define_attr "type"): Add isync, sync, load_l, store_c.
11855 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11856 Create scratch volatile MEM.
11857 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
11859 (load_locked_<mode>): New.
11860 (store_conditional_<mode>): New.
11861 (sync_compare_and_swap<mode>): Replace with splitter.
11862 (sync_lock_test_and_set<mode>): Replace with splitter.
11863 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11865 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
11866 is ics. Attribute isync.
11867 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
11869 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11870 and UNSPECV_SYNC_OP.
11871 (emit_unlikely_jump): New.
11872 (emit_load_locked): New.
11873 (emit_store_conditional): New.
11874 (rs6000_split_compare_and_swap): New.
11875 (rs6000_split_lock_test_and_set): New.
11876 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11877 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11878 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11879 rs6000_split_lock_test_and_set): Declare.
11880 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11881 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11882 store_c, isync, sync.
11884 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
11886 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11887 filenames to gtyp-gen.h.
11888 (s-typ-gen): Use it in place of for loops.
11890 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
11892 * hooks.c (hook_bool_rtx_int_false): New function.
11893 * hooks.h (hook_bool_rtx_int_false): Declare.
11894 * target-def.h (TARGET_COMMUTATIVE_P): Define.
11895 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11896 * target.h (struct gcc_target): Add commutative_p member.
11897 * targhooks.c (hook_bool_rtx_commutative_p): New function.
11898 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11899 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11900 (pa_commutative_p): New function.
11901 * jump.c (target.h): Include.
11902 (rtx_renumbered_equal_p): Use targetm.commutative_p.
11903 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11905 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11907 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11908 (s390_expand_setmem): New.
11909 * config/s390/s390.c: Likewise.
11910 (print_shift_count_operand): Truncate to 12 bits instead of 6.
11912 * config/s390/s390.md: ("setmem<mode>"): Accept character as
11913 general_operand. Call new function "s390_expand_setmem".
11914 ("clrmem_long", "*clrmem_long"): Rewrite to ...
11915 ("setmem_long", "*setmem_long"): ... this.
11917 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11919 * config/s390/s390.c: (optimization_options): Enable
11920 TARGET_MVCLE at -Os.
11921 * doc/invoke.texi: Document changes in default behaviour.
11922 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11924 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11926 * expr.c: (set_storage_via_setmem): Convert opchar to mode
11927 defined by back-end.
11929 2005-07-07 Jakub Jelinek <jakub@redhat.com>
11931 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11932 all sets in the pattern.
11933 * config/rs6000/rs6000.md (stack_protect_testsi,
11934 stack_protect_testdi): Likewise.
11936 2005-07-06 Jeff Law <law@redhat.com>
11938 * tree-vrp.c (simplify_using_ranges): Kill.
11939 (vrp_finalize): Remove call to simplify_using_ranges.
11940 (simplify_stmt_using_ranges): New function extracted from
11941 simplify_using_ranges.
11942 (simplify_div_or_mod_using_ranges): Likewise.
11943 (simplify_abs_using_ranges): Likewise.
11944 (simplify_cond_using_ranges): New function.
11945 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11946 * tree-ssa-propagate.c (substitute_and_fold): Call
11947 simplify_stmt_using_ranges if we have range information.
11949 2005-07-06 James E. Wilson <wilson@specifixinc.com>
11951 * config/ia64/ia64.c (ia64_reorg): Check optimize before
11952 ia64_flag_schedule_isns2.
11954 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11955 reading/writing general registers.
11956 (ia64_function_arg): Revert 2005-06-18 change.
11958 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
11960 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11961 (legitimize_tls_address): Use gcc_unreachable instead of abort.
11963 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
11965 * function.c (expand_function_end): Revert part of 2005-06-27
11966 patch. Do sjlj_emit_function_exit_after after return_label.
11968 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
11970 * doc/install.texi (--disable-libssp): New.
11972 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
11974 * doc/invoke.texi: Update -fforce-mem documentation.
11975 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11976 code for -fforce-mem.
11977 * expmed.c: (store_bit_field,store_fixed_bit_field,
11978 extract_bit_field): Ditto.
11979 * expr.c: (convert_move): Ditto.
11980 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11981 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11982 emit_conditional_add,expand_float,expand_fix): Ditto.
11983 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11984 (common_handle_option): Issue warning when -fforce-mem specified.
11986 2005-07-06 Paul Brook <paul@codesourcery.com>
11988 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11990 * configure: Regenerate.
11992 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
11994 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11996 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
11998 Fix PR tree-optimization/22319
11999 Fix PR tree-optimization/22140
12000 Fix PR tree-optimization/22310
12002 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
12003 variable sized types.
12004 Use correct type for intermediate structure on *a = *b structure
12007 2005-07-06 Jakub Jelinek <jakub@redhat.com>
12009 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
12011 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
12012 (machine_function): Move typedef to...
12013 * config/rs6000/rs6000.c (machine_function): ... here. Add
12014 varargs_save_offset field.
12015 (rs6000_stack_t): Remove varargs_size field.
12016 (setup_incoming_varargs): Allocate varargs save area using
12017 assign_stack_local, try to make it as small as possible.
12018 Save offset from virtual_stack_vars_rtx to the save area
12019 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
12020 instead of magic 8 when fp word byte size is used.
12021 (rs6000_va_start): Use cfun->machine->varargs_save_offset
12022 instead of -RS6000_VARARGS_SIZE.
12023 (rs6000_stack_info, debug_stack_info,
12024 rs6000_initial_elimination_offset): Remove all traces of
12026 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
12027 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
12028 RS6000_VARARGS_AREA.
12030 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
12032 PR tree-optimization/21963
12033 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
12034 constant_multiple_of in the same way get_computation_cost_at does.
12036 2005-07-06 Jakub Jelinek <jakub@redhat.com>
12038 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
12039 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
12040 (gen_compare_reg): If sparc_compare_emitted is set, clear it
12041 and return its previous value.
12042 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
12043 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
12045 (stack_protect_set, stack_protect_test): New expanders.
12046 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
12047 stack_protect_testdi): New insns.
12048 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12049 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
12051 2005-07-06 Jeff Law <law@redhat.com>
12053 * tree-ssa-dce.c (cfg_altered): New global.
12054 (tree_dce_init): Initialize cfg_altered.
12055 (remove_dead_stmt): If we remove an edge in the CFG, then set
12057 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
12060 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
12062 * Makefile.in (stamp-collect-ld): Use
12063 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
12064 ./collect-ld if it already exists.
12065 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
12066 Don't remove ./nm if it already exists.
12068 2005-07-05 Devang Patel <dpatel@apple.com>
12070 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
12071 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
12072 * tree-vectorizer.c (vect_loop_location): New.
12073 (vect_print_dump_info): Use vect_loop_location.
12074 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
12075 (vectorize_loops): Set vect_loop_location.
12076 * tree-vect-analyze.c (vect_analyze_offset_expr,
12077 vect_determin_vectorization_factor, vect_analyze_operations,
12078 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
12079 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
12080 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
12081 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
12082 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
12083 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
12084 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
12085 vect_analyze_loop): Adjust vect_print_dump_info API.
12086 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12087 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
12088 vect_finish_stmt_generation, vectorizable_assignment,
12089 vectorizable_operation, vectorizable_store, vectorizable_load,
12090 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
12091 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
12092 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
12093 vect_transform_loop): Same.
12094 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
12095 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
12098 2005-07-05 Randolph Chung <tausq@debian.org>
12100 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
12101 * configure: Regenerate.
12102 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
12103 (pa_tls_referenced_p): Declare.
12104 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
12105 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
12106 (legitimize_tls_address): New.
12107 (hppa_legitimize_address): Handle TLS addresses.
12108 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
12109 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
12110 (emit_move_sequence): Handle TLS addresses.
12111 (pa_encode_section_info): Call default handler to handle common
12113 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
12114 (CONSTANT_ADDRESS_P): Reject TLS operands.
12115 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
12116 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
12117 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
12118 (UNSPEC_TLSLE): Define new constants.
12119 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
12120 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
12121 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
12122 (tie_symbolic_operand, tle_symbolic_operand): New
12124 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
12126 * aclocal.m4: Update macros for autoconf 2.59 style.
12127 * configure.ac: Likewise.
12129 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12131 * pa.c (function_value): Handle small aggregates on 32-bit targets.
12132 (function_arg): Pass small aggregates in general registers on 32-bit
12134 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
12136 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
12138 * Makefile.in (final.o): Fix dependencies.
12140 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
12144 * langhooks.h (struct lang_hooks): Add expr_to_decl.
12145 * langhooks.c (lhd_expr_to_decl): New.
12146 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
12148 (LANG_HOOKS_INITIALIZER): Update.
12149 * tree.c (recompute_tree_invarant_for_addr_expr): Call
12150 expr_to_decl langhook.
12151 * c-tree.h (c_expr_to_decl): Declare.
12152 * c-typeck.c (c_expr_to_decl): New.
12153 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
12155 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
12157 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
12160 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
12161 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
12163 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
12165 * Makefile.in: Adjust dependencies.
12166 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
12167 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
12168 * alias.c (rest_of_handle_cfg, pass_cfg): New.
12169 * bb-reorder.c (duplicate_computed_gotos): Make it static.
12170 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
12171 rest_of_compilation.
12173 * bb-reorder.c (gate_duplicate_computed_gotos,
12174 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
12175 rest_of_handle_reorder_blocks, pass_reorder_blocks,
12176 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
12177 pass_partition_blocks): New.
12178 * bt-load.c (gate_handle_branch_target_load_optimize,
12179 rest_of_handle_branch_target_load_optimize,
12180 pass_branch_target_load_optimize): New.
12181 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
12183 * cfglayout.c (pass_insn_locators_initialize): New.
12184 * cfgrtl.c (pass_free_cfg): New.
12185 * combine.c (gate_handle_combine, rest_of_handle_combine,
12186 pass_combine): New.
12187 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
12188 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
12189 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
12190 * except.c (pass_set_nothrow_function_flags,
12191 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
12193 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
12194 rest_of_handle_shorten_branches, pass_shorten_branches,
12195 rest_of_clean_state, pass_clean_state): New.
12196 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
12197 rest_of_handle_remove_death_notes, pass_remove_death_notes,
12198 rest_of_handle_life, pass_life, rest_of_handle_flow2,
12200 * function.c (pass_instantiate_virtual_regs, pass_init_function,
12201 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
12202 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
12203 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
12205 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
12206 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
12207 pass_rtl_ifcvt, gate_handle_if_after_combine,
12208 rest_of_handle_if_after_combine, pass_if_after_combine,
12209 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
12210 pass_if_after_reload): New.
12211 * integrate.c (pass_initial_value_sets): New.
12212 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
12213 pass_purge_lineno_notes): New.
12214 * mode-switching.c (rest_of_handle_mode_switching,
12215 pass_mode_switching): New.
12216 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
12217 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
12219 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
12220 pass_loop_optimize): New.
12221 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
12223 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
12225 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
12226 pass_postreload_cse): New.
12227 * profile.c (gate_handle_profiling, pass_profiling,
12228 rest_of_handle_branch_prob, pass_branch_prob): New.
12229 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
12230 pass_split_before_regstack, gate_handle_split_before_regstack,
12231 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
12232 rest_of_handle_split_all_insns, pass_split_all_insns): New.
12233 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
12234 pass_stack_regs): New.
12235 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
12236 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
12237 pass_stack_adjustments): New.
12238 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
12239 pass_regrename): New.
12240 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
12241 pass_delay_slots, gate_handle_machine_reorg,
12242 rest_of_handle_machine_reorg, pass_machine_reorg): New.
12243 * rtl.h (extern void purge_line_number_notes): New.
12244 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
12245 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
12247 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
12249 * value-prof.c (gate_handle_value_profile_transformations,
12250 rest_of_handle_value_profile_transformations,
12251 pass_value_profile_transformations): New.
12252 * var-tracking.c (gate_handle_var_tracking,
12253 pass_variable_tracking): New.
12254 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
12256 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
12257 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
12258 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
12259 rest_of_handle_old_regalloc, rest_of_handle_regrename,
12260 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
12261 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
12262 rest_of_handle_gcse2, rest_of_handle_regmove,
12263 rest_of_handle_tracer, rest_of_handle_if_conversion,
12264 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
12265 rest_of_handle_web, rest_of_handle_branch_prob,
12266 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
12267 rest_of_handle_jump_bypass, rest_of_handle_combine,
12268 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12269 rest_of_handle_gcse, rest_of_handle_loop_optimize,
12270 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
12271 rest_of_handle_mode_switching, rest_of_handle_jump,
12272 rest_of_handle_eh, rest_of_handle_stack_adjustments,
12273 rest_of_handle_flow2, rest_of_handle_jump2,
12274 rest_of_handle_peephole2, rest_of_handle_postreload,
12275 rest_of_handle_shorten_branches, rest_of_clean_state,
12276 rest_of_compilation): Remove.
12278 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
12279 * passes.c (dump_flags, in_gimple_form, all_passes,
12280 all_ipa_passes, all_lowering_passes, register_one_dump_file,
12281 register_dump_files, next_pass_1, last_verified, execute_todo,
12282 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
12283 from tree-optimize.c.
12284 (init_optimization_passes): Moved from tree-optimize.c,
12285 adding the RTL optimizations.
12286 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
12287 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
12288 all_ipa_passes, all_lowering_passes, register_one_dump_file,
12289 register_dump_files, next_pass_1, last_verified, execute_todo,
12290 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
12291 init_tree_optimization_passes, ipa_passes): Delete.
12292 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
12294 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
12295 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
12297 (ipa_passes): Remove.
12298 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
12299 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
12300 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
12301 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
12302 (dump_info_p, dump_flag): Moved to tree-dump.h.
12304 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
12306 * passes.c (finish_optimization_passes): Use dump_begin
12307 and dump_end, TDI_end.
12308 (gate_rest_of_compilation): New.
12309 (pass_rest_of_compilation): Use it.
12310 (gate_postreload, pass_postreload): New.
12311 * toplev.c (general_init): Rename init_tree_optimization_passes.
12312 * toplev.h (init_tree_optimization_passes): Rename to
12313 init_optimizations_passes.
12314 * tree-dump.c (dump_flag): Make static.
12315 (dump_files): Remove RTL dumps.
12316 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
12317 pass_cleanup_cfg, pass_free_cfg_annotations,
12318 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
12319 pass_init_datastructures, pass_fixup_cfg): Make non-static.
12320 * tree-pretty-print.c: Include tree-pass.h.
12321 * cgraph.c: Include tree-dump.h.
12323 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
12325 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
12326 Only fall back to saying it points to readonly memory if
12327 we can't do better.
12329 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
12331 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
12332 * config/m32r/m32r.c (m32r_compute_frame_size,
12333 m32r_expand_prologue): Take current_function_profile into
12334 account whenever we reference
12335 current_function_uses_pic_offset_table.
12336 (m32r_finalize_pic): Remove.
12337 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
12339 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
12341 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
12342 instead of $<. Don't remove ./as if it already exists.
12344 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12347 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
12348 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
12349 for complex modes when generating code for PA 1.0.
12350 (VALID_FP_MODE_P): New macro.
12351 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
12352 sets for all general and floating point modes. Align wide floating
12353 point modes to even register boundaries to comply with architectural
12355 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
12356 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
12357 (VALID_FP_MODE_P): New macro.
12358 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
12359 sets for all general and floating point modes. Align wide floating
12360 point modes to even register boundaries to comply with architectural
12363 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12365 * tree-dump.c (dump_files): Initialize dump number for .cgraph
12368 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12370 * tree-ssa-structalias.c: Don't include expr.h.
12372 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12374 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
12377 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
12379 Fix PR tree-optimization/22279
12381 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
12384 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
12386 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
12388 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
12390 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
12391 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
12392 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
12393 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
12394 config/stormy16/stormy16.c, config/v850/v850.c,
12395 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
12396 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
12397 Avoid "." or "\n" at end of diagnostics and capital letters at
12398 start of diagnostics.
12399 * combine.c, cse.c: Don't translate dump file output.
12400 * toplev.c (print_version): Only translate output if going to
12403 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
12405 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
12406 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
12409 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12411 * pa.c (fix_range): Fix typo in comment.
12413 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
12415 * tree-vrp.c (extract_range_from_assert): Replace
12416 fold (build (...)) with fold_build2.
12418 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12420 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
12421 gcc_gfc_char_table, init_dynamic_gfc_info): New.
12422 (format_types_orig, handle_format_attribute): Add support for
12425 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
12427 * varasm.c (assemble_variable): Fix format specifier thinko.
12429 2005-07-03 Ira Rosen <irar@il.ibm.com>
12431 PR tree-optimization/22029 (and 22135)
12432 * tree-pretty-print.c (dump_generic_node): Check that the node is not
12433 a phi node before calling dump_vops.
12435 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
12437 * tree-dump.h (dump_string_field): Declare.
12438 * tree-dump.c: Use it instead of dump_string.
12439 (dump_string_field): Make non-static.
12441 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
12443 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
12444 up the minimal CFG stuff always when optimize > 0. Call
12445 split_all_insns_noflow in PIC case if needed.
12447 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
12448 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
12451 * c-decl.c (c_write_global_declarations): Dump contents of
12453 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12454 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12455 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12456 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12459 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
12461 * c-common.h (GCC_DIAG_STYLE): Define.
12462 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
12463 version for format checking to 4.1.
12464 * c-format.c: Include toplev.h after c-common.h.
12465 (enum format_type): Add gcc_tdiag_format_type.
12466 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12467 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12468 (format_types_orig): Add gcc_tdiag.
12469 (init_dynamic_diag_info): Support gcc_tdiag formats.
12470 (handle_format_attribute): Likewise.
12471 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12472 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
12473 version for format checking to 4.1.
12474 (warning0, warning, error, pedwarn, sorry): Use
12475 ATTRIBUTE_GCC_DIAG.
12476 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12477 (finish_aliases_1): Do not use %qE.
12478 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12479 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12480 Correct format bugs.
12481 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12482 parameter to unsigned HOST_WIDE_INT.
12483 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12485 2005-07-02 David Edelsohn <edelsohn@gnu.org>
12487 PR middle-end/21742
12488 * expr.c (write_complex_part): Use adjust_address for MEM.
12489 (read_complex_part): Same.
12491 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
12493 Fix PR tree-optimization/22280
12495 * tree-sra.c (generate_element_init): Remove useless loop.
12497 2005-07-02 Richard Henderson <rth@redhat.com>
12499 * config/alpha/alpha.c (alpha_legitimize_address): Check for
12501 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12503 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
12505 PR middle-end/14490
12506 * fold-const.c (fold_binary): Handle the return value of
12507 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12508 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12510 2005-07-02 Jeff Law <law@redhat.com>
12512 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12513 a eliminate type conversion which feeds an equality comparison
12514 if the original type or either operand in the comparison is a
12517 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
12519 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12520 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12522 * config/avr/avr.c: Do not use '`' as left quote.
12523 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12524 Remove "." from end of diagnostics. Make diagnostics start with
12527 2005-07-02 Zack Weinberg <zack@codesourcery.com>
12528 Joseph S. Myers <joseph@codesourcery.com>
12530 * toplev.c (default_tree_printer): Handle setting location with
12532 * c-objc.common.c (c_tree_printer): Likewise.
12533 * c-format.c (gcc_diag_flag_specs): Add '+'.
12534 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12535 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12537 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12538 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12539 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12540 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12541 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12542 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
12543 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
12544 format arguments where %J is used without %D.
12546 2005-07-02 Jakub Jelinek <jakub@redhat.com>
12548 * gcc.c (LINK_SSP_SPEC): Define.
12549 (link_ssp_spec): New variable.
12550 (LINK_COMMAND_SPEC): Add %(link_ssp).
12551 (static_specs): Add link_ssp_spec.
12552 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12553 * configure: Rebuilt.
12554 * config.in: Rebuilt.
12556 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12557 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12558 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12559 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12560 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12561 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12562 -0x7008(2) instead of reading __stack_chk_guard variable.
12563 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12565 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12566 (stack_protect_set, stack_protect_test): Use *_tls* patterns
12567 if TARGET_THREAD_SSP_OFFSET is defined.
12568 (stack_tls_protect_set_si, stack_tls_protect_set_di,
12569 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12572 2005-06-27 Richard Henderson <rth@redhat.com>
12573 * libgcc-std.ver (GCC_4.1.0): New.
12574 * libgcc.h (__stack_chk_guard): Declare.
12575 (__stack_chk_fail, __stack_chk_fail_local): Declare.
12576 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12577 * mklibgcc.in (lib2funcs): Add them.
12579 2005-07-01 Richard Henderson <rth@redhat.com>
12581 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12582 void * before struct sigcontext *.
12583 (x86_fallback_frame_state): Likewise.
12585 2005-07-01 James E. Wilson <wilson@specifixinc.com>
12587 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12589 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12592 * tree-ssa-reassoc.c (should_transpose): Fix which operand
12593 we check for SSA_NAME for.
12595 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
12597 Fix PR tree-optimization/22071
12599 * tree-ssa-structalias.c (offset_overlaps_with_access): New
12601 (get_constraint_for_component_ref): Use it.
12603 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12606 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12607 print out the last new line.
12609 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
12611 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12612 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12613 * config/cris/cris.c (cris_conditional_register_usage): Adjust
12614 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12615 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12616 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12617 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12618 (enum reg_class): New member CC0_REGS.
12619 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12620 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12621 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12622 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12623 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12624 Adjust for register now described.
12626 2005-07-01 Jakub Jelinek <jakub@redhat.com>
12629 * config/i386/i386.md (stack_protect_test_si,
12630 stack_protect_test_di): Add earlyclobber for scratch 3.
12631 * config/rs6000/rs6000.md (stack_protect_testsi,
12632 stack_protect_testdi): Add earlyclobber for scratch 3,
12633 remove earlyclobber from scratch 4.
12635 Older entries for 2005 can be found in ChangeLog-2005.