1 2005-12-20 Richard Guenther <rguenther@suse.de>
4 * builtins.c (std_gimplify_va_arg_expr): Do not align
5 va frame for zero sized types.
6 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
8 2005-12-20 Kazu Hirata <kazu@codesourcery.com>
10 PR tree-optimization/25501
11 * tree-cfgcleanup.c (merge_phi_nodes): Check that RESULT is
12 used in the PHI argument corresponding to the edge from BB to
15 2005-12-20 Richard Guenther <rguenther@suse.de>
18 2005-12-02 Richard Guenther <rguenther@suse.de>
20 * tree-cfg.c (mark_used_vars): New function.
21 (dump_function_to_file): Dump only used VAR_DECLs.
23 2005-12-19 Roger Sayle <roger@eyesopen.com>
25 * combine.c (try_combine): Improve splitting of binary operators
26 by taking advantage of reassociative transformations.
28 2005-12-19 Jeff Law <law@redhat.com>
30 * tree-ssa-dom.c (thread_across_edge): Do not use local_fold.
31 Strip away all type conversions after simplifying the
34 * tree-cfgcleanup.c (merge_phi_nodes): Allow merging in some
35 cases the forwarder block dominates the destination.
37 2005-12-19 DJ Delorie <dj@redhat.com>
39 * reload1.c (spill_failure): Dump reload data to dump file.
40 (find_reload_regs): Likewise.
42 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
44 PR tree-optimization/24793
45 * tree-ssa-loop-ivopts.c (get_ref_tag): Remember the
46 original reference if there are subvars.
47 * tree-ssa-operands.c (get_tmr_operands): Handle subvars.
49 2005-12-19 Kenneth Zadeck <zadeck@naturalbridge.com>
51 * df.c (df_analyze_1, df_analyze_subcfg, iterative_dataflow):
52 Corrected basic block number calculations for changes in entry and
55 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
57 * tree-flow.h (struct var_ann_d): Change type of
58 may_aliases field to VEC(tree, gc) *.
59 (may_aliases): Declaration changed.
60 * tree-ssa-alias.c (group_aliases, add_may_alias,
61 replace_may_alias, dump_may_aliases_for,
62 is_aliased_with, add_type_alias, new_type_alias):
63 Work with VEC(tree, gc) * instead of varray.
64 * tree-flow-inline.h (may_aliases): Ditto.
65 * tree-ssa.c (verify_flow_insensitive_alias_info,
66 verify_name_tags): Ditto.
67 * tree-ssa-operands.c (add_stmt_operand): Ditto.
69 2005-12-19 J"orn Rennecke <joern.rennecke@st.com>
71 * cfgcleanup.c: Temporarily revert patches for PR 20070 till Bernd
74 2005-12-19 J"orn Rennecke <joern.rennecke@st.com>
76 * struct-equiv.c (struct_equiv_improve_checkpoint): Fix sets_cc0_p
79 2005-12-19 Ben Elliston <bje@au.ibm.com>
81 * doc/install.texi (Configuration): Typo in Fortran subheading.
83 2005-12-19 Nathan Sidwell <nathan@codesourcery.com>
85 * config/mt/mt.md (decrement_and_branch_until_zero): Add another
86 scratch. Correct its reload split. Adjust its peephole.
87 (doloop_end): Add additional scratch.
89 * config/mt/mt.c (MT_INT_ARG_FIRST): Remove.
90 (mt_asm_output_opcode, mt_print_operand): Use 'nop'.
91 (mt_function_arg_slotno): Use FIRST_ARG_REGNUM.
92 (mt_builtin_saveregs): Replace with ...
93 (mt_setup_incoming_varargs): ... here. Save just the varadic
95 (mt_va_start): Remove.
96 (mt_reorg_hazard): Ignore USE insns. Don't call set_noop_p.
97 (mt_machine_reorg): Split all insns here.
98 (TARGET_SETUP_INCOMING_VARARGS): Override.
99 * config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only.
101 (EXPAND_BUILTIN_VA_START): Remove.
103 2005-12-17 Kenneth Zadeck <zadeck@naturalbridge.com>
105 * flow.c (update_life_info, count_or_remove_death_notes): Fixed
106 latent bug that could happen if update_life_info was called with a
107 blocks parameter and the call to cleanup_cfg actually deleted one
110 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
112 * tree-ssa-structalias.c (update_alias_info): Remove handling
113 of may_be_aliased (SSA_NAME_VAR (op)) case.
115 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
117 * tree-flow.h (struct stmt_ann_d): Remove
118 makes_aliased_loads and makes_aliased_stores fields.
119 * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores
120 and makes_aliased_loads fields.
121 * tree-ssa-dom.c (eliminate_redundant_computations): Do not
122 use makes_aliased_stores.
123 * tree-ssa-operands.c (clobbered_aliased_loads,
124 clobbered_aliased_stores, ro_call_aliased_loads): Removed.
125 (build_ssa_operands, add_stmt_operand, add_call_clobber_ops,
126 add_call_read_ops): Do not set makes_aliased_stores and
127 makes_aliased_loads fields.
128 * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores
131 2005-12-18 Geoffrey Keating <geoffk@apple.com>
133 * config/darwin.h: Don't include darwin-sections.def to declare
134 global variables; instead create darwin_section_enum.
135 (darwin_section_enum): New.
136 (darwin_sections): New.
137 * config/darwin.c: Don't include darwin-sections.def to define
139 (darwin_sections): New.
140 (output_objc_section_asm_op): Rewrite to take advantage of
142 (darwin_init_sections): Rewrite to use darwin_sections.
143 (machopic_output_indirection): Update for darwin_sections array.
144 (machopic_select_section): Likewise.
145 (machopic_select_rtx_section): Likewise.
146 (machopic_asm_out_constructor): Likewise.
147 (machopic_asm_out_destructor): Likewise.
148 (darwin_file_end): Likewise.
149 * config/rs6000/rs6000.c (machopic_output_stub): Likewise.
150 * config/i386/i386.c (machopic_output_stub): Likewise.
152 2005-12-18 Richard Guenther <rguenther@suse.de>
154 PR tree-optimization/25481
155 * tree-ssa-structalias.c (handle_ptr_arith): Handle
156 accesses we don't have a varinfo for.
158 2005-12-17 Jon Grimm <jgrimm2@us.ibm.com>
159 Janis Johnson <janis187@us.ibm.com>
160 Ben Elliston <bje@au.ibm.com>
162 * optabs.c (init_floating_libfuncs): Handle decimal float modes.
163 (init_optabs): Handle libfuncs for decimal float.
164 * genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
165 * stor-layout.c (int_mode_for_mode): Likewise.
166 * simplify-rtx.c (simplify_immed_subreg): Likewise.
167 (simplify_unary_operation_1): Skip optimisations for decimal float
169 * varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
170 * emit-rtl.c (gen_const_vector): Add assertion check.
171 (init_emit_once): Populate const_tiny_rtx with constants in each
173 * expmed.c (extract_high_half, expand_mult_highpart_optab,
174 expand_mult_highpart): Assert that mode is not a scalar float
176 * expr.c (convert_move): Handle conversion between decimal and
177 binary floats of the same size.
178 * convert.c (convert_to_real): Consider decimal float types when
180 * dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
181 describe decimal floating point types.
183 2005-12-18 Ulrich Weigand <uweigand@de.ibm.com>
185 PR rtl-optimization/21041
186 * reload.c (find_reloads_subreg_address): Replace paradoxical
187 subreg of MEM by widened access only if the resulting memory
188 is properly aligned, even on !STRICT_ALIGNMENT targets.
190 2005-12-18 Andreas Krebbel <krebbel1@de.ibm.com>
192 * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.
194 2005-12-18 Steven Bosscher <stevenb@suse.de>
196 * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
197 the 2005-12-17 patch to renumber the entry and exit blocks.
199 2005-12-18 Gabriel Dos Reis <gdr@integrable-solutions.net>
201 * doc/objc.texi (Type encoding): Fix typo.
203 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
205 * tree-tailcall.c (find_tail_calls): Use XNEW.
206 * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
207 (free_all_edge_infos): Use explicit cast to convert from void *.
208 (vrp_free): Likewise.
209 (dom_opt_finalize_block): Likewise.
210 (record_equivalences_from_incoming_edge): Likewise.
211 (thread_across_edge): Likewise. Use XCNEWVEC.
212 (record_cond): Use XCNEW.
213 (record_conditions): Use XNEWVEC.
214 (record_edge_info): Use XCNEWVEC.
215 (lookup_avail_expr): Use XNEW.
216 (record_range): Likewise. Use GGC_NEW.
217 * tree-nested.c (var_map_hash): Use explicit cast to convert from
219 (var_map_eq): Likewise.
220 (lookup_field_for_decl): Likewise.
221 (convert_nonlocal_reference): Likewise.
222 (convert_local_reference): Likewise.
223 (convert_nl_goto_reference): Likewise.
224 (convert_nl_goto_receiver): Likewise.
225 (convert_call_expr): Likewise.
226 (convert_tramp_reference): Likewise.
227 (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
228 (convert_nl_goto_reference): Likewise.
229 (lookup_field_for_decl): Use GGC_NEW.
230 (create_nesting_tree): Use GGC_CNEW.
231 * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
232 * tree-ssa-alias.c (init_alias_info): Use XCNEW.
233 (create_alias_map_for): Likewise.
234 (setup_pointers_and_addressables): Use XCNEWVEC.
235 (get_ptr_info): Use GGC_NEW.
236 (used_part_map_eq): Use explicit cast to convert from void *.
237 (up_lookup): Likewise.
238 (up_insert): Use XNEW.
239 (get_or_create_used_part_for): Use XCNEW.
240 (get_tmt_for): Likewise.
241 * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
242 * tree-ssa-pre.c (phi_trans_add): Use XNEW.
243 (bitmap_set_new): Use explicit cast to convert from void *.
245 (insert_into_set): Likewise.
246 (pool_copy_list): Likewise.
247 (phi_translate): Likewise.
248 (create_value_expr_from): Likewise.
249 (insert_aux): Use XCNEWVEC.
250 (compute_avail): Use XNEWVEC.
251 * tree-ssa-live.c (calculate_live_on_entry): Likewise.
252 (sort_coalesce_list): Likewise.
253 (build_tree_conflict_graph): Use XCNEWVEC.
254 * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
255 * tree-ssa-copy.c (init_copy_prop): Likewise.
256 (fini_copy_prop): Likewise.
257 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
259 (record_equiv): Use XNEW.
260 (uncprop_into_successor_phis): Use explicit cast to convert from
262 (uncprop_initialize_block): Likewise.
264 2005-12-18 Dorit Nuzman <dorit@il.ibm.com>
266 PR tree-optimization/24378
267 * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
268 basic-block after loop-versioning.
270 2005-12-18 Jeff Law <law@redhat.com>
272 * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
273 to simplify SWITCH_EXPR_CODE moved from here to ...
274 * tree-ssa-forwprop.c (simplify_switch_expr): Here.
275 (tree-ssa-forward_propagate_single_use_vars): Call
276 simplify_switch_expr when appropriate.
278 2005-12-17 Andrew Pinski <pinskia@physics.uc.edu>
280 * doc/objc.texi (Type encoding): Add documentation about encoding
281 complex types and _Bool.
283 2005-12-17 Paul Brook <paul@codesourcery.com>
285 * config/m68k/m68k.md (m68k_output_function_prologue): Always call
286 dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
287 when frame_pointer_needed.
289 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
291 * tree-vn.c (vn_add): Use XNEW.
292 * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
293 (ccp_fold): Likewise.
294 (fold_stmt_r): Use explicit cast to convert from void *.
295 * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
296 (new_temp_expr_table): Likewise.
297 * gimplify.c (lookup_tmp_var): Use XNEW.
298 (gimplify_asm_expr): Use explcit cast to convert from void *.
299 * tree-into-ssa.c (get_ssa_name_ann): Likewise.
300 (get_def_blocks_for): Use XNEW.
301 (add_to_repl_tbl): Likewise.
302 (mark_def_sites): Use explicit cast to convert from void *.
303 (def_blocks_free): Likewise.
304 (mark_def_sites_initialize_block): Likewise.
305 (update_ssa): Use XNEWVEC.
306 * tree-dfa.c (create_var_ann): Use GGC_NEW.
307 (create_stmt_ann): Likewise.
308 (create_tree_ann): Likewise.
309 (referenced_var_insert): Likewise.
310 (set_default_def): Likewise.
311 (referenced_var_lookup_if_exists): Use explicit cast to convert
313 (referenced_var_lookup): Likewise.
314 (default_def): Likewise.
315 (set_default_def): Likewise.
316 * tree-cfg.c (create_bb): Likewise.
317 (edge_to_cases_cleanup): Likewise.
318 (verify_node_sharing): Likewise.
319 (record_switch_edge): Use XNEW.
320 (cleanup_dead_labels): Use XCNEWVEC.
321 (tree_duplicate_sese_region): Use XNEWVEC.
322 * tree-scalar-evolution.c (get_instantiated_value): Likewise.
323 * tree-ssa.c (verify_ssa): Use XCNEWVEC.
324 (int_tree_map_eq): Use explicit cast to convert from void *.
325 * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
326 (__gcov_execl): Likewise.
327 (__gcov_execlp): Likewise.
328 (__gcov_execle): Likewise.
329 * tree-eh.c (struct_ptr_eq): Likewise.
330 (struct_ptr_hash): Likewise.
331 (lookup_stmt_eh_region_fn): Likewise.
332 (outside_finally_tree): Likewise.
333 (find_goto_replacement): Likewise.
334 (make_eh_edge): Likewise.
335 (mark_eh_edge): Likewise.
336 (add_stmt_to_eh_region_fn): Use GGC_NEW.
337 (record_in_finally_tree): Use XNEW.
338 (maybe_record_in_goto_queue): Use XRESIZEVEC.
339 (lower_try_finally_copy): Use XCNEWVEC.
341 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
343 * tree-inline.c (copy_body_r): Use explicit cast when converting
346 (copy_edges_for_bb): Likewise.
347 (remap_decl_1): Likewise.
348 (estimate_num_insns_1): Likewise.
349 * cgraph.c (hash_node): Use explicit cast when converting from
352 (cgraph_create_node): Use GGC_CNEW.
353 (cgraph_create_edge): Use GGC_NEW.
354 (cgraph_remove_node): Use explicit cast when converting from void *.
355 (hash_varpool_node): Likewise.
356 (eq_varpool_node): Likewise.
357 (cgraph_varpool_node): Use GGC_CNEW.
358 * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
359 * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
360 (eq_scev_info): Use explicit cast when converting from void *.
361 (find_var_scev_info): Likewise.
362 (set_instantiated_value): Likewise.
363 (gather_stats_on_scev_database_1): Likewise.
364 * cfgloop.h (simple_loop_desc): Use explicit cast when converting
366 * c-pch.c (c_common_write_pch): Use XNEWVEC.
367 (c_common_read_pch): Likewise.
368 * prefix.c (save_string): Use XNEWVEC.
369 (translate_name): Use explicit cast when converting from void *.
370 * c-ppoutput.c (print_line): Use explicit cast when converting
372 (pp_dir_change): Likewise.
373 * c-cppbuiltin.c (builtin_define_std): Likewise.
374 (builtin_define_with_value): Likewise.
375 (builtin_define_with_value_n): Likewise.
376 (builtin_define_with_int_value): Likewise.
377 (builtin_define_type_max): Likewise.
378 * c-incpath.c (add_env_var_paths): Use XNEWVEC.
379 (add_path): Use XNEW.
380 * c-format.c (check_format_info_main): Use GGC_NEW.
381 (format_type_warning): Use explicit cast when converting from void *.
382 * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
384 (start_init): Likewise.
385 * tree-flow-inline.h (first_referenced_var): Use explicit cast
386 when converting from void *.
387 (next_referenced_var): Likewise.
388 * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
389 * gensupport.c (lookup_predicate): Use explicit cast to convert
391 (init_predicate_table): Use XCNEW instead of xcalloc.
392 * genpreds.c (process_define_predicate): Likewise.
394 2005-12-17 Danny Berlin <dberlin@dberlin.org>
395 Kenneth Zadeck <zadeck@naturalbridge.com>
397 * basic-block.h: Changed basic block numbering so that the entry
398 block is 0 and the exit block is 1. Changed insn iterators so
399 that they are tolerant of blocks with no insns.
400 * regrename.c (copyprop_hardreg_forward): Changed basic block
401 numbering so that the entry block is 0 and the exit block is 1.
402 * sched-ebb.c (sehedule_ebbs): Ditto.
403 * tracer.c (branch_ratio_cutoff): Ditto.
404 * cfgloopmanip.c (fix_loop_structure): Ditto.
405 * cfghooks.c (verify_flow_info): Ditto.
406 * cfg.c (compact_blocks): Ditto.
407 * reorg.c (dbr_schedule): Ditto.
408 * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
409 * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
410 calculate_dominance_info): Ditto.
411 * cfganal.c (create_edge_list, print_edge_list,
412 flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
413 flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
414 dfs_enumerate_from): Ditto.
415 * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
416 * ifcvt.c (find_if_case_2): Ditto.
417 * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
418 find_basic_blocks): Ditto.
419 * predict.c (predict_loops, tree_bb_level_predictions,
420 predict_paths_leading_to, propagate_freq): Ditto.
421 * lcm.c (compute_antinout_edge, compute_laterin,
422 compute_available): Ditto.
423 * function.c (thread_prologue_and_epilogue_insns): Ditto.
424 * gcse.c (gcse_main, bypass_jumps): Ditto.
425 * profile.c (compute_branch_probabilities,
426 compute_value_histograms, branch_prob): Ditto.
427 * tree-flow-inline.h (bsi_start, bsi_after_labels,
429 * tree-ssa-phiopt.c (tree_ssa_phiopt,
430 blocks_in_phiopt_order): Ditto.
431 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
432 compute_out, link_btr_uses, migrate_btr_defs): Ditto.
433 * tree-dfa.c (collect_dfa_stats): Ditto.
434 * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
435 * cfglayout.c (fixup_reorder_chain): Ditto.
436 * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
437 partition_hot_cold_basic_blocks): Ditto.
438 * var-tracking.c (vt_find_locations): Ditto.
439 * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
440 * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
441 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
442 label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
443 * tree-ssa-reassoc.c (init_reassoc): Ditto.
444 * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
445 rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
446 * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
447 and removed unused reverse orders.
449 * combine.c: Fix document typo.
451 2005-12-17 Jan Hubicka <jh@suse.cz>
453 * tree-flow-inline.h (set_default_def, default_def): Kill.
454 * tree-dfa.c (default_defs): New global variable.
455 (default_def, set_default_def): New functions.
456 * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
457 * tree-flow.h (struct var_ann_d): Kill default_def field.
458 (set_default_def, default_def): Update prototype.
459 (default_defs): Declare.
461 2005-12-16 Jeff Law <law@redhat.com>
463 * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
464 (simplify_rhs_and_lookup_avail_expr): Kill. Remnants moved
465 into tree-ssa-forwprop.c.
466 (eliminate_redundant_computations): Do not call
467 simplify_rhs_and_lookup_avail_expr anymore.
468 * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
469 extracted from remnants of simplify_rhs_and_lookup_avail_expr.
470 (tree_ssa_forward_propagate_single_use_vars): Call
471 simplify_not_neg_expr appropriately.
473 2005-12-16 Bernd Trog <berndtrog@yahoo.com>
476 * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
478 2005-12-17 Kazu Hirata <kazu@codesourcery.com>
480 PR rtl-optimization/25456
481 * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
482 info->x_start with p->x_start.
484 2005-12-17 Alan Modra <amodra@bigpond.net.au>
486 * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
487 introduced 2005-12-16.
489 2005-12-16 Steven Bosscher <stevenb@suse.de>
491 PR rtl-optimization/23837
492 * optabs.c (expand_binop): For a multi-word rotate, never emit
493 a REG_NO_CONFLICT block.
495 2005-12-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
498 * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
501 * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
504 2005-12-16 Steven Bosscher <stevenb@suse.de>
506 * loop-invariant.c (move_loop_invariants): Add missing hunk from
507 the previous patch, to nullify df.
509 2005-12-16 Steven Bosscher <stevenb@suse.de>
511 * reorg.c (mostly_true_jump): Clean up code depending on
512 LABEL_OUTSIDE_LOOP_P and loop notes. Remove code doing
513 poor man's branch prediction, instead rely on REG_BR_PROB
514 notes to be available.
516 2005-12-16 Jakub Jelinek <jakub@redhat.com>
518 PR rtl-optimization/24899
519 * loop.c (strength_reduce): Don't reduce giv that is not always
520 computable and where add_val or mult_val can trap.
522 * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
524 2005-12-16 Nathan Sidwell <nathan@codesourcery.com>
526 * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
527 names of ms1-16-002 files.
529 2005-12-16 Alan Modra <amodra@bigpond.net.au>
532 * gcc.c (for_each_path): New function.
533 (add_to_obstack, file_at_path): New functions.
534 (struct file_at_path_info, struct add_to_obstack_info): New.
535 (build_search_list): Rewrite using for_each_path. Constify struct
536 path_prefix pointer. Add do_multi param. Adjust all callers.
537 (find_a_file): Similarly, but just change existing param to bool.
538 (putenv_from_prefixes): Add do_multi param, make "paths" const.
539 (do_spec_path): Delete.
540 (struct spec_path_info): New.
541 (spec_path): New function.
542 (do_spec_1): Use for_each_path for %D and %I.
543 (find_file): Adjust for find_a_file changes.
544 (main): Search multilibs for specs. Print multilib lib path for
545 -print-search-dirs. Likewise add multilibs to LIBRARY_PATH_ENV.
546 (read_specs): Search multilibs for %include and %include_noerr.
547 (is_directory): Remove second string param. Change last param
548 to a bool. Don't use concat. Remove SMALL_ARG_MAX test, always
549 check path is a dir. Update all callers.
550 * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
551 * system.h (SMALL_ARG_MAX): Poison.
552 * config.gcc: Don't define SMALL_ARG_MAX.
553 * config.host: Likewise.
554 * config.build: Likewise.
556 2005-12-16 Paolo Bonzini <bonzini@gnu.org>
558 * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
559 FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
560 ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
561 simplify_logical): Move simplifications that do not require
562 additional infrastructure...
563 * simplify-rtx.c (simplify_unary_operation_1,
564 simplify_binary_operation_1): ... here.
566 2005-12-16 Andreas Krebbel <krebbel1@de.ibm.com>
569 * flow.c (mark_used_dest_regs): New function.
570 (mark_used_regs): Call mark_used_dest_regs.
572 2005-12-16 Jeff Law <law@redhat.com>
574 * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
575 represent a use and definition of the same SSA_NAME.
577 2005-12-16 Jon Grimm <jgrimm2@us.ibm.com>
578 Janis Johnson <janis187@us.ibm.com>
579 Ben Elliston <bje@au.ibm.com>
581 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
582 (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
583 * target.h (struct gcc_target): Add decimal_float_supported_p.
584 * targhooks.c (default_scalar_mode_supported_p): Handle
586 * builtins.def: Add new builtins for 32, 64 and 128 bit variants
587 of inf, nan, finite, isinf and isnan.
588 * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
589 BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
590 BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
591 BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
592 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
593 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
594 BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
595 * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
596 Pedwarn if decimal floating point types are used. Error if
597 decimal floating point is not supported by the target.
598 (finish_declspecs): Return type from DFP typespec_word.
599 * c-typeck.c (c_common_type): Choose the decimal floating point
600 type with the greater precision when determining a common type.
601 (convert_arguments): Warn if there is a mismatch between argument
602 and prototype for decimal float types. Warn of conversions with
603 binary float types and of precision narrowing due to prototype.
604 * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
605 (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
606 (c_token_starts_declspecs): Likewise.
607 (c_parser_attributes): Likewise.
608 * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
609 RID_DFLOAT64, RID_DFLOAT128.
610 (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
611 * c-common.c (c_common_type_for_mode): Handle decimal float modes.
612 (shorten_compare): Convert DFP/BFP operands to a common type.
613 (c_common_modes_and_builtins): Register built-in decimal float
614 types if the target supports them.
615 (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
616 * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
617 inf, nan, finite, isinf and isnan builtins.
618 * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
619 (builtin_define_float_constants): Assert non-decimal radix.
620 (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
621 Call builtin_define_decimal_float_constants for each type.
622 * c-lex.c (interpret_float): Decode decimal float types from CPP_N
623 flags. Use real_from_string3, which can handle binary or decimal
625 * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
626 cts_dfloat64, cts_dfloat128.
627 * tree.c (build_common_tree_nodes_2): Add decimal float types.
628 * tree.h (enum tree_index): Add new enumeration values
629 TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
630 TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
631 (dfloat32_type_node): New macro.
632 (dfloat64_type_node, dfloat128_type_node): Likewise.
633 (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
634 (dfloat128_ptr_type_node): Likewise.
635 * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
636 bit decimal floating point types with "df", "dd" and "dl".
637 * c-format.h (enum format_lengths): Add new enumeration values
638 FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
639 * c-format.c (printf_length_specs, scanf_length_specs): Add
640 entries for H, D, DD.
641 (print_char_table, scan_char_table): Use new entries.
642 (asm_fprintf_char_table, gcc_diag_char_table,
643 gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
645 * defaults.h (DECIMAL32_TYPE_SIZE): Define.
646 (DECIMAL64_TYPE_SIZE): Likewise.
647 (DECIMAL128_TYPE_SIZE): Likewise.
648 (TARGET_DEC_EVAL_METHOD): Likewise.
649 * doc/extend.texi (Decimal Float): New node.
650 (Constructing Calls): Document decimal float built-ins.
651 * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
652 * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
653 * ginclude/decfloat.h: New file.
655 2005-12-16 Alan Modra <amodra@bigpond.net.au>
657 * reload.c (find_reloads): Fix comment typo.
658 * recog.h (recog_memoized): Correct comment.
660 2005-12-16 Kazu Hirata <kazu@codesourcery.com>
662 * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
663 config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
664 reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
665 tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
666 * doc/invoke.texi, doc/tm.texi: Fix typos.
668 2005-12-16 Ben Elliston <bje@au.ibm.com>
670 * real.c (decimal_quad_format): Correct values for emin, emax.
672 2005-12-15 DJ Delorie <dj@redhat.com>
674 * config/m32c/predicates.md (m32c_psi_scale): New.
675 * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
676 * config/m32c/muldiv.md (mulpsi3): Support negative constants.
678 2005-12-16 Jan Hubicka <jh@suse.cz>
680 PR rtl-optimization/25224
681 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
684 2005-12-15 Zdenek Dvorak <dvorakz@suse.cz>
685 Steven Bosscher <stevenb@suse.de>
687 * loop-invariant.c (df): New global variable.
688 (find_defs, check_dependencies, find_invariant_insn, record_uses,
689 find_invariants_bb, find_invariants_body, find_invariants,
690 find_invariants_to_move, move_invariants, free_inv_motion_data,
691 move_single_loop_invariants, move_loop_invariants): Do not pass df in
694 2005-12-15 Jakub Jelinek <jakub@redhat.com>
696 * varasm.c (default_unique_section_1): Use special section
697 names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
699 2005-12-16 Ben Elliston <bje@au.ibm.com>
701 * doc/invoke.texi (Warning Options): Document -Walways-true being
704 2005-12-15 Joseph S. Myers <joseph@codesourcery.com>
707 * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
708 * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
709 __floatunditf): Use #error if type sizes don't match requirements
711 (__floatdisf, __floatdidf): Unify. Possibly use XFmode or TFmode
712 as wider floating-point type. Use #error if type sizes don't
713 match requirements of implementation. Avoid overflow in computing
714 Wtype_MAXp1_F * Wtype_MAXp1_F. When special casing conversion,
715 shift one more bit. Cast 1 to DWtype or UDWtype for shifting.
716 (__floatundisf, __floatundidf): Likewise.
717 * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
718 * config/ia64/ia64.c (ia64_init_libfuncs): Use
719 _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
720 TFmode-TImode conversions.
721 * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
723 2005-12-14 Craig Rodrigues <rodrigc@gcc.gnu.org>
725 * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
726 Use builtin_define_with_int_value() instead of
727 adding a new check for every new major FreeBSD version.
729 2005-12-14 Andrew Pinski <pinskia@physics.uc.edu>
731 * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
733 2005-12-15 Richard Sandiford <richard@codesourcery.com>
735 * config/arm/predicates.md (call_memory_operand): New.
736 * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
738 2005-12-15 Andrew Haley <aph@redhat.com>
740 * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
741 against prev_cache_entry == NULL when moving a cache entry to the
744 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
746 * config/mt/mt.c (mt_override_options): Require lower case
747 architectures. Revert accidental default to ms2.
748 * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
749 ENDFILE_SPEC): Require lower case architectures. Revert default
752 * doc/invoke.texi (MT Options): Rename and update.
753 * doc/md.texi (MorphoTech family): Rename and update.
755 2005-12-15 Olivier Hainque <hainque@adacore.com>
757 * stor-layout.c (layout_type): Don't complain about a too small
758 an array element type size compared to its alignment when the
761 2005-12-15 Jan Hubicka <jh@suse.cz>
764 * i386.c (classify_argument): Properly adjust offset of bitfield for
767 2005-12-15 Richard Sandiford <richard@codesourcery.com>
769 * final.c (final_scan_insn): Flip in_cold_section_p when changing
770 between the hot and cold sections. Use current_function_section
771 to get the new section.
772 * dwarf2out.c (output_line_info): Use in_cold_section_p to
773 determine whether we are assembling hot or cold code.
774 (secname_for_decl, dwarf2out_var_location): Likewise.
775 (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
776 * varasm.c (last_text_section): Delete.
777 (in_cold_section_p): New variable.
778 (hot_function_section): New function.
779 (current_function_section): Pass in_cold_section_p as the
780 reloc argument to select_section. Use it to decide between
781 unlikely_function_section and hot_function_section.
782 (assemble_start_function): Use switch_to_section. Set
783 in_cold_section_p instead of last_text_section.
784 (assemble_end_function): Use switch_to_section.
785 (switch_to_section): Don't set last_text_section.
786 * config/darwin/darwin.c (machopic_select_section): Trust the reloc
787 argument to make the right choice between hot and cold sections.
789 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
791 Second part of MS1->MT renaming
792 * config/mt/mt.md (doloop_end): Call mt_add_loop.
793 (movqi, movhi): Call mt_set_memflags.
794 (*movdf_internal): Call mt_split_words.
795 (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
797 (cmpsi): Store to mt_compare_op[01].
798 (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
799 bungt, bunle, bunlt): Call mt_emit_cbranch.
800 (prologue): Call mt_expand_prologue.
801 (epilogu): Call mt_expend_epilogue.
802 (eh_return): Call mt_expand_eh_return.
803 (eh_epilogue): Call me_emit_eh_epilogue.
804 (conditional_trap): Store to mt_compare_op[01].
805 * config/mt/crti.asm: Adjust comment.
806 * config/mt/crtn.asm: Adjust comment.
807 * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
808 (mt_compare_op0, mt_compare_op1): Renamed.
809 (current_frame_info, zero_frame_info): Adjust type.
810 (mt_ucmpsi3_libcall): Renamed.
811 (mt_flag_delayed_branch): Renamed.
812 (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
813 (mt_nops_required, mt_nop_reasons): Renamed.
814 (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
815 mt_debug_stack, mt_print_operand_simple_address,
816 mt_print_operand_address, mt_print_operand): Renamed, adjusted.
817 (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
818 mt_function_arg_advance, mt_arg_partial_bytes,
819 mt_pass_by_reference, mt_function_arg_boundary,
820 mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
821 mt_legitimate_address_p): Renamed, adjusted.
823 (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
824 mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
825 mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p,
826 mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
827 mt_expand_eh_return, mt_emit_eh_prologue,
828 mt_handl_interrupt_attribute): Renamed, adjusted.
829 (mt_attribute_table): Renamed, adjusted.
830 (mt_initial_elimination_offset, mt_generate_compare,
831 mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
832 mt_secondary_reload_class, mt_function_value, mt_split_words,
833 mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
834 mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
835 (mt_labels): Renamed.
836 (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
837 mt_machine_reorg): Renamed, adjusted.
838 (mt_attribute_table: Renamed.
839 (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
840 TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
841 TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
842 * config/mt/mt.opt (march): Set mt_cpu_string.
843 * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
844 (TARGET_CPU_CPP_BUILTINS): Adjust.
845 (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
847 (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
848 (MT_MIN_INT): Renamed.
849 (RETURN_ADDR_RTX): Adjust.
850 (struct mt_frame_info): Renamed.
851 (current_frame_info): Adjust type.
852 (INITIAL_ELIMINATION_OFFSET): Adjust.
853 (MT_NUM_ARG_REGS): Renamed.
854 (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
855 FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
856 LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
857 GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
858 FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
859 (mt_compare_op0, mt_compare_op1): Renamed.
860 * config/mt/mt-protos.h: Rename prototypes.
862 2005-12-15 Richard Guenther <rguenther@suse.de>
864 * tree-flow.h (okay_component_ref_for_subvars): Remove.
865 (get_ref_base_and_extent): Declare.
866 * tree-dfa.c (okay_component_ref_for_subvars): Remove.
867 (get_ref_base_and_extent): New function.
868 * tree-ssa-alias.c (find_used_portions): Use it.
869 * tree-ssa-structalias.c (get_constraint_for_component_ref):
871 * tree-ssa-operands.c (get_expr_operands): Likewise.
873 2005-12-15 Paolo Bonzini <bonzini@gnu.org>
875 * combine.c: Remove force_to_mode's fourth parameter.
876 (force_to_mode): Do not handle REG.
877 (canon_reg_for_combine): New.
878 (make_field_assignment): Use it where the removed argument was non-NULL.
880 2005-12-15 Alan Modra <amodra@bigpond.net.au>
883 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
884 error_mark_node. Make alignment params unsigned.
885 * config/rs6000/rs6000-protos.h
886 (rs6000_special_round_type_align): Update prototype.
887 (rs6000_machopic_legitimize_pic_address): Remove arg names.
889 2005-12-14 Ulrich Weigand <uweigand@de.ibm.com>
891 PR rtl-optimization/25310
892 * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
893 of the eliminable register when substituting into a PLUS.
895 2005-12-14 Jakub Jelinek <jakub@redhat.com>
898 * config/i386/i386.c (ix86_force_to_memory): Always use
899 SImode push for HImode in -m32.
900 (ix86_free_from_memory): Likewise.
902 2005-12-14 Richard Sandiford <richard@codesourcery.com>
904 * gcc/config/arm/arm.md: Provide a big-endian version of the
905 (zero_extend:SI (subreg:QI ...)) splitter.
907 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
909 * struct-equiv.c (note_local_live): Handle hard regs with different
912 2005-12-14 Jeff Law <law@redhat.com>
914 * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
915 to a structure containing state rather than a pointer to bool.
916 (case ARRAY_REF): New code to handle folding some array references.
917 (case ADDR_EXPR): Note when we are processing expressions found
918 within an ADDRE_EXPR.
919 (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
920 for state variables rather than just a pointer to a boolean.
921 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
922 handling of constant string references.
924 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
926 * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
927 ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
928 ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
929 Move other tst* patterns to retain partial order.
931 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
933 * config/s390/s390.md ("d0", "1"): New mode attributes.
934 ("<shift>di3", "<shift>si3"): Merge.
935 ("*<shift>di3_and", "*<shift>si3_and"): Merge.
936 ("ashrdi3", "ashrsi3"): Merge.
937 ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
938 ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
939 ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
940 ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
941 ("*ashrdi3", "*ashrsi3"): Merge.
942 ("*ashrdi3_and", "*ashrsi3_and"): Merge.
944 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
946 * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
947 ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
948 ("*extendqidi2", "*extendqisi2") Merge.
949 ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
950 ("zero_extendhidi2", "zero_extendqidi2"): Merge.
951 ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
952 Move some patterns to retain partial ordering.
954 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
956 * config/s390/s390.md ("atype", "length"): Rewrite.
957 ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
959 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
961 * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
963 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
965 * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
966 PARALLELs with a mode.
968 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
970 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
973 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
975 * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
977 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
981 * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
984 * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
986 2005-12-14 Jakub Jelinek <jakub@redhat.com>
990 * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
991 DECL_P, call get_section rather than get_named_section. Supply
994 2005-12-14 Ben Elliston <bje@au.ibm.com>
996 * c-common.c (c_common_truthvalue_conversion): Generalise warning
997 for addresses converted to booleans; not just function addresses.
998 * c-typeck.c (build_binary_op): Warn for address comparisons which
999 can never be NULL (eg. func == NULL or &var == NULL).
1000 * common.opt (Walways-true): New option.
1001 * c-opts.c (c_common_handle_option): Set it with -Wall.
1002 * doc/invoke.texi: Document it.
1004 2005-12-13 Paul Brook <paul@codesourcery.com>
1006 * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
1007 __floatunsidf, __floatunsisf, __floatunsixf): New functions.
1009 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
1011 * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
1012 (EXTRA_MULTILIB_PARTS): Define.
1014 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
1016 PR rtl-optimization/20070 / part1
1017 * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
1018 count_or_remove_death_notes with kill == -1.
1019 (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
1020 registers if PROP_POST_REGSTACK is set.
1021 (mark_used_reg): Likewise.
1022 (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
1023 REG_UNUSED notes for stack regs.
1024 * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
1025 to match rtx_equiv_p machinery. Change caller.
1026 (outgoing_edges_match): Likewise.
1027 (try_crossjump_to_edge): Use struct_equiv_block_eq
1028 instead of flow_find_cross_jump.
1029 * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
1030 (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
1031 (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
1032 (STRUCT_EQUIV_MAX_LOCAL): Likewise.
1033 (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
1034 (insns_match_p): Update prototype.
1035 (flow_find_cross_jump): Remove prototype.
1036 (struct_equiv_block_eq, struct_equiv_init): Declare.
1037 (rtx_equiv_p, condjump_equiv_p): Likewise.
1038 * struct-equiv.c: Include reload.h.
1039 (IMPOSSIBLE_MOVE_FACTOR): Define.
1040 (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
1041 (struct_equiv_improve_checkpoint): Likewise.
1042 (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
1043 (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
1044 (struct_equiv_merge, find_dying_input): Likewise.
1045 (resolve_input_conflict, note_local_live): Likewise.
1046 (death_notes_match_p): Change parameters and processing
1047 to match rtx_equiv_p machinery. Change caller.
1048 (insns_match_p): Likewise.
1049 (flow_find_cross_jump): Replace with:
1050 (struct_equiv_block_eq).
1052 Back out this change:
1053 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
1054 * recog.c (verify_changes): Make it static.
1055 * recog.h: Remove the corresponding prototype.
1057 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
1059 * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
1062 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
1064 * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
1065 (MULTILIB_DIRNAMES): Add ms2. Prefix ms1 dirs with 'ms1'.
1066 * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
1067 TARGET_MS1_64_001 appropriately.
1068 (ms1_machine_reorg): Use TARGET_MS2.
1070 2005-12-13 Jakub Jelinek <jakub@redhat.com>
1074 * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
1075 and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
1076 Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
1077 * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
1078 Set mode to SI, adjust constraints.
1079 (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
1080 * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
1083 2005-12-13 Carlos O'Donell <carlos@codesourcery.com>
1085 * c-cppbuiltin.c (builtin_define_float_constants): Add
1086 fp_cast parameter, pass to builtin_define_with_hex_fp_value.
1087 Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
1088 (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
1089 (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
1090 to "((double)%sL)" otherwise "%s".
1092 2005-12-13 Paul Brook <paul@codesourcery.com>
1094 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
1097 2005-12-11 Rafael vila de Espndola <rafael.espindola@gmail.com>
1099 * tree-flow.h: Allow compilation with a C++ compiler.
1100 (struct edge_prediction): Prefix all field names with "ep_".
1101 * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
1102 (tree_predict_edge, combine_predictions_for_bb): Likewise.
1103 (remove_predictions_associated_with_edge): Likewise.
1105 2005-12-12 Jeff Law <law@redhat.com>
1107 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1109 * passes.c (init_optimization_passes): Run reassociation again
1110 after loop optimizations.
1112 2005-12-12 Daniel Berlin <dberlin@dberlin.org>
1114 * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
1116 (optimize_stmt): Ditto.
1117 (canonicalize_comparison): New function.
1118 * tree-ssa-operands.c (swap_tree_operands): Make external.
1119 (get_expr_operands): Stop auto-canonicalization.
1120 * tree-ssa-reassoc.c: Rewrite.
1121 (init_optimization_passes):
1122 * tree-flow.h (swap_tree_operands): Prototype.
1123 * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
1125 2005-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1127 * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
1128 indicate function epilogue has been output.
1129 (pa_asm_output_mi_thunk): Likewise.
1130 (output_deferred_plabels): Put plabels in readonly data section when
1131 not generating PIC code.
1132 (som_output_text_section_asm_op): Use .NSUBSPA to output debug
1133 information. Add assert.
1134 (som_output_comdat_data_section_asm_op): New function.
1135 (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
1136 instead of output_section_asm_op for COMDAT sections.
1138 2005-12-12 J"orn Rennecke <joern.rennecke@st.com>
1140 * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
1141 Fix whitespace in vincinity of to-be-installed changes.
1142 * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
1143 (insns_match_p): Likewise.
1145 2005-12-12 Nathan Sidwell <nathan@codesourcery.com>
1147 * config.gcc (ms1): Replace with ...
1149 * config/ms1: Rename to ...
1150 * config/mt: ... here. Rename ms1 files to mt.
1151 * config/mt/mt.c: Adjust gt-mt.h #include.
1152 * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
1153 (crti.o, crtn.o): Adjust file names.
1155 2005-12-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1157 * varray.h: Allow compilation with a C++ compiler.
1158 (union varray_data_tag): Prefix all field names with "vdt_".
1159 (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
1160 VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
1161 VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
1162 VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
1163 VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
1164 VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
1165 (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
1166 VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT,
1167 VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT,
1168 VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR,
1169 VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR,
1170 VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE,
1171 VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB,
1172 VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
1173 (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT,
1174 VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT,
1175 VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT,
1176 VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR,
1177 VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX,
1178 VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP,
1179 VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE,
1180 VARRAY_TOP_TREE_PTR): Likewise.
1181 * varray.c (varray_grow): Likewise.
1182 (varray_clear): Likewise.
1184 2005-12-12 Alan Modra <amodra@bigpond.net.au>
1187 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
1188 alignment to doubleword if the first field is a double array.
1189 * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
1191 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1193 * tree-ssa-structalias.c (process_constraint): Remove code to
1194 transform addressofs into scalar.
1195 (create_variable_info_for): In whole-program IPA, globals don't
1196 point to ANYTHING by default.
1198 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1200 * timevar.def (TV_IPA_PTA): New.
1201 * tree-pass.h (pass_ipa_pta): New
1202 * tree-ssa-structalias.c: Include cgraph.h
1204 (predbitmap_obstack): New.
1205 (EXECUTE_IF_IN_NONNULL_BITMAP): New.
1206 (struct constraint_stats): Add num_edges.
1207 (new_var_info): Don't call bitmap_clear.
1208 (struct constraint_edge): Update docs.
1209 (new_constraint_edge): Remove src param.
1210 (struct constraint_graph): Add zero_weight_succs,
1211 zero_weight_preds. Update docs.
1212 (constraint_expr_equal): Reformat.
1213 (constraint_edge_equal): Update for removal of src.
1214 (constraint_edge_less): Ditto.
1215 (constraint_edge_vec_find): Ditto.
1216 (erase_graph_self_edge): Update for removal of src and and zero
1218 (clear_edges_for_node): Ditto.
1219 (add_graph_edge): Ditto.
1220 (get_graph_weights): Ditto.
1221 (allocate_graph_weights): Ditto.
1222 (merge_graph_nodes): Ditto.
1223 (int_add_graph_edge): Ditto.
1224 (valid_graph_edge): Ditto.
1225 (valid_weighted_graph_edge): Ditto.
1226 (build_constraint_graph): Ditto.
1228 (collapse_nodes): Ditto.
1229 (process_unification_queue): Ditto.
1230 (topo_visit): Ditto.
1231 (solve_graph): Ditto.
1232 (do_structure_copy): Ditto.
1233 (perform_var_substitution): Ditto.
1234 Init and release obstack.
1235 (handle_ptr_arith): Try to resolve directly.
1236 (find_func_aliases): Don't call update_alias_info here
1237 Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
1238 (do_sd_constraint): Add code for propagating faster.
1240 (do_ds_constraint): Ditto.
1241 (count_num_arguments): New function.
1242 (create_function_info_for): Ditto.
1243 (create_variable_info_for): Handle FUNCTION_DECL.
1244 (intra_create_variable_infos): Use make_constraint_to_anything.
1245 (init_alias_vars): Init obstacks here.
1246 (need_to_solve): Handle zero weight graph changes.
1247 (compute_points_to_sets): Call update_alias_info here.
1248 (delete_points_to_sets): Free zero weight preds/succs here.
1249 (gate_ipa_pta): New.
1250 (ipa_pta_execute): New
1252 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1254 * tree-ssa-structalias.c (var_anyoffset): Removed.
1255 (anyoffset_tree): Ditto.
1256 (anyoffset_id): Ditto.
1257 (do_deref): Take vector of constraints, no return value.
1258 Update to work on vector.
1259 (get_constraint_for): Ditto.
1260 (get_constraint_for_component_ref): Ditto.
1261 (do_structure_copy): Ditto.
1262 (handle_ptr_arith): Ditto.
1263 (find_func_aliases): Ditto.
1264 (set_uids_in_ptset): Remove anyoffset handling.
1265 (init_base_vars): Ditto.
1267 2005-12-10 Mark Mitchell <mark@codesourcery.com>
1270 * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
1271 DECL_EXTERNAL functions have no bodies. Tidy.
1273 2005-12-10 Andreas Schwab <schwab@suse.de>
1275 * except.c (switch_to_exception_section): Only define if
1276 TARGET_UNWIND_INFO is not defined.
1278 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1280 * config/darwin.h (HAS_INIT_SECTION): Remove definition.
1281 (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
1283 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1285 * output.h (init_section, fini_section): Delete.
1286 * varasm.c (init_section, fini_section): Delete.
1287 (init_varasm_once): Don't initialize them.
1288 * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
1289 there are no corresponding varasm.c variables.
1291 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1293 * dwarf2out.c (default_eh_frame_section): Delete, moving handling
1294 of EH_FRAME_SECTION_NAME into...
1295 (switch_to_eh_frame_section): ...here. Try to set eh_frame_section
1296 if it is still null.
1297 * except.c (default_exception_section): Delete, moving most
1299 (switch_to_exception_section): ...this new function. Set
1300 exception_section if it is still null, then switch to it.
1301 (output_function_exception_table): Use switch_to_exception_section.
1302 * varasm.c (exception_section, eh_frame_section): Update comments.
1303 (get_section): Hoist use of SECTION_NAMED.
1304 (init_varasm_once): Don't set exception_section and eh_frame_section.
1305 * output.h (default_exception_section): Delete.
1306 (default_eh_frame_section): Delete.
1308 2005-12-09 Bernd Schmidt <bernd.schmidt@analog.com>
1310 * config/bfin/bfin.c: Include "cgraph.h".
1311 (bfin_load_pic_reg): Omit loading pic reg if in a local function.
1312 Return the reg that holds the pointer to the GOT.
1313 (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
1314 doing stack checking.
1316 2005-12-09 Diego Novillo <dnovillo@redhat.com>
1318 * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
1319 recompute_tree_invarant_for_addr_expr.
1320 Update uses everywhere.
1322 2005-12-09 Aldy Hernandez <aldyh@redhat.com>
1324 * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
1325 (MULTILIB_DIRNAMES): Define.
1327 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
1330 * config/s390/s390.c (struct s390_address): New field literal_pool.
1331 (s390_decompose_address): Compute literal_pool field. Do not
1332 assume register %r13 is always (and solely) used as pool base.
1333 (s390_extra_constraint_str): Use literal_pool field.
1335 2005-12-09 Thiemo Seufer <ths@networkno.de>
1337 * config/mips/mips.c (override_options): Don't allow too small
1338 integers in FP registers.
1340 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
1342 * config/s390/s390.c (s390_function_ok_for_sibcall): Use
1343 targetm.binds_local_p to check for local function calls.
1345 2005-12-09 Alan Modra <amodra@bigpond.net.au>
1348 * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1349 call_used_regs can't be used to save reg in another reg.
1351 2005-12-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1352 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1354 * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1356 * except.c (output_ttype): Likewise.
1357 * tree-object-size.c (collect_object_sizes_for): Likewise.
1358 (check_for_plus_in_loops_1): Likewise.
1359 (check_for_plus_in_loops): Likewise.
1360 (compute_object_sizes): Use gcc_unreachable instead of abort.
1362 2005-12-08 Nathan Sidwell <nathan@codesourcery.com>
1364 * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1365 (loop_end, loop_init, doloop_end): New insns.
1366 * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1367 (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1368 (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1369 (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1370 * config/ms1/ms1.c: #include basic-block.h
1371 (struct machine_function): Add has_loops field.
1372 (ms1_add_loop): New.
1373 (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1374 (struct loop_info, struct loop_work): New.
1375 (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1376 (ms1_reorg_loops): New loop optimization.
1377 (ms1_machine_reorg): Call it.
1378 * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1380 2005-12-08 Zdenek Dvorak <dvorakz@suse.cz>
1382 PR tree-optimization/25248
1383 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1384 evolution_of_loop from the failed attempt. Remove handling
1387 2005-12-08 Gabriel Dos Reis <gdr@integrable-solutions.net>
1389 * tree.h (DECL_EXTERNAL): Clarify documentation.
1391 2005-12-08 Andreas Krebbel <krebbel1@de.ibm.com>
1392 Jakub Jelinek <jakub@redhat.com>
1395 * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1396 argument. Don't drop outer ANDs.
1397 (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1398 * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1400 * config/s390/predicates.md (setmem_operand): Remove.
1401 (shift_count_operand): Rename to...
1402 (shift_count_or_setmem_operand): ... this. Adjust
1403 s390_decompose_shift_count caller.
1404 * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1405 ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1406 ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1407 <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1408 rotl<mode>3_and, setmem_long_and): New insns.
1409 (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1410 ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1411 <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1412 <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1413 of shift_count_operand.
1414 (setmem_long): Use shift_count_or_setmem_operand instead of
1417 2005-12-08 Daniel Jacobowitz <dan@codesourcery.com>
1418 Andreas Tobler <a.tobler@schweiz.ch>
1420 * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1423 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1425 * expr.c (force_operand): Use convert_to_mode for conversions.
1427 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1429 * reload.h (reg_equiv_invariant): Declare.
1430 * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1431 register also when reg_equiv_invariant[R] is set.
1433 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1434 Andreas Tobler <a.tobler@schweiz.ch>
1436 * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1438 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
1440 * tree-ssa-pre.c (bitmap_set_and): New function.
1441 (bitmap_set_and_compl): New function.
1442 (bitmap_set_empty_p): New function.
1443 (insert_extra_phis): New function.
1444 (compute_avail): Use insert_extra_phis.
1446 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
1448 * config/s390/s390.c (s390_expand_atomic): New function.
1449 Adjust comment of helper functions.
1450 * config/s390/s390-protos.h (s390_expand_atomic): Declare.
1451 * config/s390/s390.md ("ATOMIC"): New code macro.
1452 ("atomic"): Corresponding new code attribute.
1453 ("sync_lock_test_and_set[hq]i",
1454 "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1456 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
1458 * config/s390/s390.c (s390_expand_mask_and_shift,
1459 struct alignment_context, init_alignment_context,
1460 s390_expand_cs_hqi): New.
1461 * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1462 * config/s390/s390.md ("sync_compare_and_swaphi",
1463 "sync_compare_and_swapqi"): New pattern.
1465 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
1467 Fix PR tree-optimization/25291
1468 * tree-ssa-operands.c (add_call_clobber_ops): Remove
1469 redundant and crashing check.
1471 2005-12-08 Alan Modra <amodra@bigpond.net.au>
1474 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1475 tests further when !strict && reload_in_progress.
1476 (print_operand): Check that both operands of indexed address are regs.
1477 (print_operand_address): Likewise.
1478 * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1479 (INT_REG_OK_FOR_BASE_P): Correct.
1481 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1483 Preparation for PR rtl-optimization/20070 / part1
1484 * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1485 * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1486 outgoing_edges_match.
1487 (outgoing_edges_match): Use condjump_equiv_p.
1488 (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1490 * struct-equiv.c: New file.
1491 (death_notes_match_p) New function, broken out of insns_match_p.
1492 * Makefile.in (OBJS-common): Add struct-equiv.o.
1493 (struct-equiv.o): New target.
1495 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1497 * coretypes.h: Revert previous change.
1498 * config/darwin.h: Revert previous reversion.
1499 * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1501 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1503 * coretypes.h (section): Provide dummy definition for target files.
1504 * config/darwin.h: Revert previous change.
1506 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1508 * doc/sourcebuild.texi (all.build, install-normal): Remove.
1509 * configure.ac: Remove all.build and install-normal from target_list
1510 * configure: Regenerate.
1511 * Makefile.in (install): Don't depend on install-normal.
1513 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1515 * Makefile.in: Document the use of stamps.
1517 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1519 * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1520 * Makefile.in: Add code to compute some dependencies on s-gtype
1521 automatically. Remove the declaration of those dependencies.
1523 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1525 * gcc/reload.c (push_secondary_reload): Fix typo:
1526 s/insn_constraint/scratch_constraint/.
1528 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1530 * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1532 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1534 * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1535 (alpha_elf_select_rtx_section): Return the selected section rather
1536 than emitting assembly code.
1537 (alpha_write_linkage): Emit a ".link" directive directly and then
1538 set in_section to NULL.
1539 (vms_asm_out_constructor): Use switch_to_section.
1540 (vms_asm_out_destructor): Likewise.
1541 (unicosmk_output_common): Set in_section to NULL instead of calling
1542 the dummy common_section function.
1543 (unicosmk_text_section): Delete in favor of...
1544 (unicosmk_output_text_section_asm_op): ...this new function.
1545 (unicosmk_data_section): Delete in favor of...
1546 (unicosmk_output_data_section_asm_op): ...this new function.
1547 (unicosmk_init_sections): New function.
1548 (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1549 (unicosmk_output_ssib): Set in_section to NULL instead of calling
1550 the dummy ssib_section function.
1551 (unicosmk_section_buf): Delete.
1552 * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1553 (unicosmk_data_section): Delete.
1554 * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1555 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1556 (SECTION_FUNCTION_TEMPLATE): Delete.
1557 * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1558 (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1559 (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1560 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1561 (TARGET_ASM_INIT_SECTIONS): Define.
1562 * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1563 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1564 (link_section, literals_section): Delete.
1565 (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1566 set in_section to NULL.
1568 * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1569 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1570 (COMMON_SECTION): Delete.
1571 (TARGET_ASM_INIT_SECTIONS): Define.
1572 (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1573 the dummy common_section function.
1574 * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1575 * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1576 between readonly_data_section and text_section to check whether
1577 read-only data is being put in the text section.
1578 (arm_output_function_epilogue): Use switch_to_section.
1579 (arm_elf_asm_constructor): Likewise.
1580 (thumb_call_via_reg): Replace call to in_text_section with
1581 a comparison between in_section and text_section.
1582 (arm_file_end): Use switch_to_section.
1583 (aof_text_section): Delete in favor of...
1584 (aof_output_text_section_asm_op): ...this new function.
1585 (aof_data_section): Delete in favor of...
1586 (aof_output_data_section_asm_op): ...this new function.
1587 (aof_asm_init_sections): New function.
1588 (zero_init_section): Moved from config/arm/aof.h.
1589 (aof_dump_imports, aof_file_start): Use switch_to_section.
1590 * config/arm/arm.h (thumb_call_via_label): Update comment.
1591 * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1592 (common_section): Delete.
1593 * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1594 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1595 global switch_to_section function instead of the old port-local one.
1596 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1597 (SWITCH_TO_SECTION_FUNCTION): Delete.
1598 (drectve_section): Redefine as a macro.
1599 * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1600 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1603 * config/avr/avr.c (progmem_section): New variable.
1604 (avr_output_progmem_section_asm_op): New function.
1605 (avr_asm_init_sections): New function.
1606 (avr_output_addr_vec_elt): Use switch_to_section.
1607 * config/avr/avr.h (progmem_section): Declare.
1608 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1609 (READONLY_DATA_SECTION): Delete.
1610 (TARGET_ASM_INIT_SECTIONS): Define.
1611 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1612 * config/avr/avr-protos.h (progmem_section): Delete.
1614 * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1616 * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1617 (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1619 * config/darwin-sections.def: New file.
1620 * config/darwin.c: Define all sections in darwin-sections.def.
1621 (output_objc_section_asm_op, darwin_init_sections): New functions.
1622 (machopic_output_indirection): Use switch_to_section.
1623 (machopic_select_section): Return the selected section rather than
1624 emitting assembly code. Replace the static function table with
1625 inline conditional expressions. Update the tests of last_text_section
1626 and move them into the FUNCTION_DECL block.
1627 (machopic_select_rtx_section): Return the selected section rather than
1628 emitting assembly code.
1629 (machopic_asm_out_constructor, machopic_asm_out_destructor)
1630 (darwin_file_end): Use switch_to_section.
1631 * config/darwin.h: Use darwin-sections.def to declare sections.
1632 (INIT_SECTION_ASM_OP): Remove empty definition.
1633 (HAS_INIT_SECTION): Define this instead.
1634 (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1635 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1636 (TARGET_ASM_EH_FRAME_SECTION): Delete.
1637 (TARGET_ASM_INIT_SECTIONS): Define.
1638 * config/darwin-protos.h (darwin_init_sections): Declare.
1639 (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1640 (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1641 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1642 (constructor_section, destructor_section, mod_init_section): Delete.
1643 (mod_term_section): Delete.
1644 (darwin_exception_section, darwin_eh_frame_section): Delete.
1645 (machopic_select_section): Return a section.
1646 (machopic_select_rtx_section): Likewise.
1647 (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1648 (const_section, const_coal_section, const_data_section): Delete.
1649 (const_data_coal_section, data_coal_section, cstring_section): Delete.
1650 (literal4_section, literal8_section, constructor_section): Delete.
1651 (mod_init_section, mod_term_section, destructor_section): Delete.
1652 (objc_class_section, objc_meta_class_section, objc_category_section)
1653 (objc_class_vars_section, objc_instance_vars_section): Delete.
1654 (objc_cls_meth_section, objc_inst_meth_section): Delete.
1655 (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1656 (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1657 (objc_symbols_section, objc_module_info_section): Delete.
1658 (objc_image_info_section, objc_protocol_section): Delete.
1659 (objc_string_object_section, objc_constant_string_object_section)
1660 (objc_class_names_section, objc_meth_var_names_section): Delete.
1661 (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1662 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1663 (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1664 (darwin_exception_section, darwin_eh_frame_section): Delete.
1665 * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1667 * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1668 (frv_asm_out_destructor): Likewise.
1669 * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1670 (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1671 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1673 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1674 * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1675 (data_section): Delete.
1677 * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1678 (DRECTVE_SECTION_FUNCTION): Delete.
1679 (drectve_section): Redefine as a macro that sets in_section after
1680 emitting the directive.
1681 (SWITCH_TO_SECTION_FUNCTION): Delete.
1682 * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1683 in_text_section with comparison between in_section and text_section.
1684 * config/i386/i386.c (x86_64_elf_select_section): Return the section
1685 rather than emitting assembly code. Use get_named_section.
1686 (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1688 (machopic_output_stub): Use switch_to_section.
1689 * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1690 (nwld_named_section_asm_out_destructor): Use get_section and
1693 * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1694 rather than emitting assembly code.
1695 (ia64_rwreloc_select_section): Likewise.
1696 (ia64_rwreloc_select_rtx_section): Likewise.
1697 * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1698 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1700 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1701 (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1703 * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1704 section rather than emitting assembly code.
1705 (iq2000_select_section): Likewise.
1706 * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1707 (sbss_section): Delete.
1709 * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1710 and get_named_section.
1711 * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1713 * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1714 (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1715 (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1716 (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1718 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1719 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1720 global switch_to_section function instead of the old port-local one.
1721 * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1722 (SWITCH_SECTION_FUNCTION): Delete.
1723 * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1724 (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1725 (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1726 (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1728 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1729 global switch_to_section function instead of the old port-local one.
1730 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1732 * config/mips/mips.c (mips_file_start): Update comment.
1733 (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1734 (mips_output_aligned_decl_common): Use switch_to_section.
1735 (mips_select_rtx_section): Return the section rather than emitting
1736 assembly code. Use get_named_section.
1737 (mips_function_rodata_section: Likewise get_section.
1738 (build_mips16_function_stub): Use switch_to_section.
1739 * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1740 (SDATA_SECTION_ASM_OP): Delete.
1741 * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1742 (EXTRA_SECTION_FUNCTIONS): Delete.
1744 * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1745 (mmix_asm_output_aligned_local): Use switch_to_section.
1747 * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1748 (som_one_only_readonly_data_section): New variables.
1749 (pa_output_function_epilogue): Set in_section to NULL instead of
1750 calling forget_section.
1751 (output_deferred_plabels): Use select_section.
1752 (pa_asm_output_mi_thunk): Likewise. Set in_section to NULL instead
1753 of calling forget_section.
1754 (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1755 (pa_asm_output_aligned_local): Use select_section.
1756 (som_text_section_asm_op): Delete in favor of...
1757 (som_output_text_section_asm_op): ...this new function.
1758 (pa_som_asm_init_sections): New function.
1759 (pa_select_section): Return the section rather than emitting
1761 * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1762 (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1763 (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1764 (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1765 * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1766 (som_readonly_data_section, som_one_only_readonly_data_section)
1767 (som_one_only_data_section, forget_section): Delete.
1768 * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1769 (TARGET_ASM_INIT_SECTIONS): Define.
1770 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1772 * config/rs6000/rs6000.c (read_only_data_section): New variable.
1773 (private_data_section, read_only_private_data_section): New variables.
1774 (sdata2_section, toc_section): New variables.
1775 (rs6000_file_start): Use switch_to_section.
1776 (rs6000_assemble_integer): Use comparisons against in_section
1777 instead of calling in_toc_section and in_text_section. Use
1778 unlikely_text_section_p.
1779 (rs6000_elf_output_toc_section_asm_op): New function, derived
1780 from the old rs6000/sysv4.h toc_section function.
1781 (rs6000_elf_asm_init_sections): New function.
1782 (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1783 the section rather than emitting assembly code.
1784 (machopic_output_stub): Use switch_to_section.
1785 (toc_section): Delete dummy function.
1786 (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1787 switch_to_section and get_section.
1788 (rs6000_xcoff_output_readonly_section_asm_op): New function.
1789 (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1790 (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1791 the old rs6000/xcoff.h toc_section function.
1792 (rs6000_xcoff_asm_init_sections): New function.
1793 (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1794 the section rather than emitting assembly code.
1795 (rs6000_xcoff_file_start): Use switch_to_section.
1796 (rs6000_xcoff_file_end): Likewise.
1797 * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1798 (sdata2_section, sbss_section, private_data_section): Delete.
1799 (read_only_data_section, read_only_private_data_section): Delete.
1800 * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1801 (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1802 (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1803 (FINI_SECTION_FUNCTION): Delete.
1804 (TARGET_ASM_INIT_SECTIONS): Define.
1805 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1806 * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1807 (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1808 (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1809 (READONLY_DATA_SECTION): Delete.
1810 (TARGET_ASM_INIT_SECTIONS): Define.
1811 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. Set in_section
1812 to NULL rather than no_section.
1813 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1815 * config/sh/sh.c (sh_file_start): Use switch_to_section.
1817 * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1818 (sparc_output_deferred_case_vectors): Likewise. Remove argument
1819 from call to current_function_section.
1821 * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1822 (bss100_section): New variable.
1823 (xstormy16_asm_output_aligned_common): Use switch_to_section.
1824 (xstormy16_asm_init_sections): New function.
1825 (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1826 switch_to_section and get_section.
1827 (xstormy16_output_addr_vec): Use switch_to_section. Remove argument
1828 from calls to current_function_section.
1829 * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1830 (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1831 (TARGET_ASM_INIT_SECTIONS): Define.
1832 * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1834 * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1835 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1836 (FINI_SECTION_FUNCTION): Delete.
1838 * config/v850/v850.c: Include gt-v850.h.
1839 (rosdata_section, rozdata_section, tdata_section, zdata_section)
1840 (zbss_section): New variables.
1841 (v850_output_aligned_bss): Use switch_to_section.
1842 (v850_asm_init_sections): New function.
1843 (v850_select_section): Return the section rather than emitting
1845 * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1846 (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1847 (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1848 (TARGET_ASM_INIT_SECTIONS): Define.
1849 * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1850 (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1851 (zbss_section): Delete.
1853 * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1855 * config/vx-common.h (vxworks_exception_section): Delete.
1856 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1858 * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1859 section rather than emitting assembly code.
1860 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1863 * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1864 * coretypes.h (section): New union and typedef.
1865 * dbxout.c (FORCE_TEXT): Use switch_to_section. Remove argument
1866 from call to current_function_section.
1867 (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1868 (dbxout_symbol_location): Use switch_to_section.
1869 * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1870 most of the code into...
1871 (default_eh_frame_section): ...here. Return a section.
1872 (collect2_eh_frame_section): Delete, moving most of the code into..
1873 (switch_to_eh_frame_section): ...this new function.
1874 (debug_info_section, debug_abbrev_section, debug_aranges_section)
1875 (debug_macinfo_section, debug_line_section, debug_loc_section)
1876 (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1878 (output_call_frame_info): Call switch_to_eh_frame_section instead of
1879 eh_frame_section. Use switch_to_section and get_section.
1880 (dwarf2out_begin_prologue): Use switch_to_section.
1881 (AT_string_form): Check the flags in debug_str_section instead of
1882 DEBUG_STR_SECTION_FLAGS.
1883 (output_comp_unit): Use switch_to_section, get_section, and
1885 (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1886 (dwarf2out_begin_block): Use switch_to_section. Remove argument
1887 from call to current_function_section.
1888 (dwarf2out_var_location): Use unlikely_text_section_p.
1889 (dwarf2out_source_line): Use switch_to_section. Remove argument
1890 from call to current_function_section.
1891 (dwarf2out_start_source_file, dwarf2out_end_source_file)
1892 (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1893 debug_macinfo_section.
1894 (dwarf2out_init): Initialize the new section variables. Use them
1895 instead of calls to named_section_flags. Use switch_to_section.
1896 (output_indirect_string): Use switch_to_section and debug_str_section.
1897 (dwarf2out_finish): Use switch_to_section and the new section
1899 * except.c (default_exception_section): Return the section instead
1900 of emitting assembly code.
1901 (output_function_exception_table): Use the global exception_section
1902 variable instead of the target hook. Use switch_to_section. Remove
1903 argument from call to current_function_section.
1904 * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1905 (shorten_branches): Use pointer comparisons to detect whether the
1906 text section is the same as readonly_data_section.
1907 (profile_function): Use switch_to_section. Remove argument from
1908 call to current_function_section.
1909 (final_scan_insn): Likewise. Update use of last_text_section.
1910 * gengtype.c (open_base_files): Add an include of output.h.
1911 * output.h (text_section, data_section, readonly_data_section)
1912 (ctors_section, dtors_section, bss_section, init_section)
1913 (fini_section, sdata_section): Turn into section pointers.
1914 (in_text_section, in_unlikely_text_section, exports_section)
1915 (drectve_section, named_section, mergeable_string_section)
1916 (last_text_section_name): Delete.
1917 (default_exception_section, default_eh_frame_section): Return sections.
1918 (SECTION_DECLARED, SECTION_NAMED): New macros.
1919 (SECTION_MACH_DEP): Bump value.
1920 (section_common, named_section, unnamed_section): New structures.
1921 (unnamed_section_callback): New typedef.
1922 (section): New union.
1923 (sbss_section, exception_section, eh_frame_section): New variables.
1924 (in_section, last_text_section): Turn into section pointers.
1925 (get_unnamed_section, get_section, get_named_section): New functions.
1926 (mergeable_constant_section, function_section): Return a section.
1927 (unlikely_text_section): Likewise.
1928 (current_function_section): Likewise. Remove the decl argument.
1929 (unlikely_text_section_p, switch_to_section): New functions.
1930 (output_section_asm_op): New function.
1931 (set_named_section_flags, named_section_flags, named_section_real)
1932 (named_section_first_declaration): Delete.
1933 (default_select_section, default_elf_select_section): Return a section.
1934 (default_elf_select_section_1, default_function_rodata_section)
1935 (default_no_function_rodata_section, default_select_rtx_section)
1936 (default_elf_select_rtx_section): Likewise.
1937 * rtl.h (in_data_section): Delete.
1938 * sdbout.c (sdbout_one_type): Use switch_to_section.
1939 * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1940 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1941 (TARGET_ASM_EH_FRAME_SECTION): Poison.
1942 * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1943 (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1944 (TARGET_ASM_OUT): Update after above changes.
1945 * target.h (init_sections): New hook.
1946 (exception_section, eh_frame_section): Delete.
1947 (select_section, select_rtx_section, function_rodata_section): Return
1948 a section rather than emitting assembly code.
1949 * varasm.c (text_section, data_section, readonly_data_section)
1950 (ctors_section, dtors_section, bss_section, init_section)
1951 (fini_section): Turn into section pointers.
1952 (sdata_section, sbss_section, exception_section): New variables.
1953 (eh_frame_section): New variable.
1954 (in_section): Make global and turn into a section pointer.
1955 (last_text_section): Turn into a section pointer.
1956 (unnamed_sections): New variable.
1957 (in_named_name, last_text_section_name): Delete.
1958 (EXTRA_SECTION_FUNCTIONS): Delete.
1959 (in_named_entry): Delete.
1960 (section_htab): New variable, replacing...
1961 (in_named_htab): ...this deleted variable.
1962 (section_entry_eq, section_entry_hash): New functions, based on...
1963 (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1964 (get_unnamed_section, get_section): New functions.
1965 (unlikely_text_section): Return a section instead of emitting
1967 (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1968 (get_named_section_flags, named_section_first_declaration): Delete.
1969 (unlikely_text_section_p): New function.
1970 (named_section_real, named_section): Delete.
1971 (get_named_section): New function.
1972 (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1973 (function_section): Return a section rather than emitting
1975 (current_function_section): Likewise. Remove argument. Use
1976 last_text_section if nonnull, otherwise use function_section.
1977 (default_function_rodata_section): Return a section rather than
1978 emitting assembly code. Use get_section.
1979 (default_no_function_rodata_section): Return a section rather than
1980 emitting assembly code.
1981 (variable_section): Use switch_to_section and get_named_section.
1982 (mergeable_string_section): Return a section rather than emitting
1983 assembly code. Use get_section. Make static. Don't take special
1984 countermeasures for empty strings.
1985 (mergeable_constant_section): Return a section rather than emitting
1986 assembly code. Use get_section.
1987 (default_named_section_asm_out_destructor): Use switch_to_section
1989 (default_dtor_section_asm_out_destructor): Use switch_to_section.
1990 (default_named_section_asm_out_constructor): Use switch_to_section
1992 (default_ctor_section_asm_out_constructor): Use switch_to_section.
1993 (assemble_start_function): Likewise. Set last_text_section to
1994 NULL rather than no_section. Change the type of save_section.
1995 (assemble_zeros, assemble_variable): Use the section flags to detect
1996 whether or not a section is text.
1997 (assemble_static_space): Use switch_to_section.
1998 (assemble_trampoline_template): Likewise.
1999 (output_constant_def_contents): Use switch_to_section and
2001 (output_constant_pool_1): Use switch_to_section. Use the section
2002 flags to see whether sections contain mergeable data.
2003 (init_varasm_once): Initialize section_htab instead of in_named_htab.
2004 Initialize new section variables. Call TARGET_ASM_INIT_SECTIONS.
2005 (default_elf_asm_named_section): Use SECTION_DECLARED to detect
2006 whether a section has already been declared.
2007 (default_select_section, default_elf_select_section): Return a
2008 section rather than emitting assembly code.
2009 (default_elf_select_section_1): Likewise. Use bss_section for
2010 SECCAT_BSS if nonnull. Use get_named_section.
2011 (default_select_rtx_section): Return a section rather than
2012 emitting assembly code.
2013 (default_elf_select_rtx_section): Likewise. Use get_named_section.
2014 (file_end_indicate_exec_stack): Use switch_to_section and get_section.
2015 (output_section_asm_op, switch_to_section): New functions.
2016 * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
2019 * doc/tm.texi: Expand the introduction to the sections documentation.
2020 (TRAMPOLINE_SECTION): Document new interface.
2021 (SDATA_SECTION_ASM_OP): Document new macro.
2022 (READONLY_DATA_SECTION): Delete.
2023 (SDATA_SECTION_ASM_OP): Document new macro.
2024 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2025 (TARGET_ASM_INIT_SECTIONS): Document new hook.
2026 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
2027 (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
2028 (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
2030 2005-12-07 Alan Modra <amodra@bigpond.net.au>
2032 * gcc.c (init_gcc_specs): Match braces inside conditionally
2035 2005-12-06 Geoffrey Keating <geoffk@apple.com>
2037 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
2039 2005-12-06 Aldy Hernandez <aldyh@redhat.com>
2042 * tree.c (integer_all_onesp): Always return true if all bits on.
2044 * testsuite/g++.dg/init/array0.C: New.
2046 2005-12-06 Adrian Straetling <straetling@de.ibm.com>
2048 * doc/md.texi: Adapt to implementation.
2050 2005-12-06 Andreas Schwab <schwab@suse.de>
2052 * opts.c (decode_options): Fix typo in message.
2054 2005-12-06 Alan Modra <amodra@bigpond.net.au>
2057 * longlong.h: Merge PPC tests from upstream.
2059 2005-12-06 Richard Guenther <rguenther@suse.de>
2061 * fold-const.c (fold_convert): Do not build and fold
2062 CONVERT_EXPR, but always use NOP_EXPR.
2064 2005-12-06 Jan Beulich <jbeulich@novell.com>
2066 * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
2067 __builtin_ia32_paddq and __builtin_ia32_subq.
2068 (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
2069 __builtin_ia32_pshufw.
2070 * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
2072 2005-12-05 James E Wilson <wilson@specifix.com>
2075 * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
2078 2005-12-05 Daniel Berlin <dberlin@dberlin.org>
2080 * print-tree.c (print_node): Ditto.
2081 * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
2082 * tree-dump.c (dequeue_and_dump): Check for decl_common structure
2083 before accessing DECL_ARTIFICIAL.
2084 Handle new tag tree codes.
2085 * tree-flow-inline.h (clear_call_clobbered): Update for tag
2087 (unmodifiable_var_p): Ditto.
2088 * tree-flow.h (mem_tag_kind): Remove.
2089 (struct var_ann_d): Remove mem_tag_kind member.
2090 * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
2091 * tree-pretty-print.c (dump_generic_node): Handle memory tags.
2092 * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
2093 (group_aliases): Ditto.
2094 (setup_pointers_and_addressables): Ditto.
2095 (is_escape_site): Ditto.
2096 (may_alias_p): Ditto.
2097 (create_tag_raw): New function.
2098 (create_memory_tag): Use it.
2099 (dump_alias_info): Update for tags.
2100 (may_be_aliased): Ditto.
2101 (add_type_alias): Ditto.
2102 (new_type_alias): Ditto.
2103 (create_sft): Ditto.
2104 (create_structure_vars): Ditto.
2105 * tree-ssa-ccp.c (get_default_value): Ditto.
2106 * tree-ssa-operands.c (get_expr_operands): Ditto.
2107 (add_stmt_operand): Ditto.
2108 (add_call_clobber_ops): Remove duplicated condition.
2109 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2111 * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
2112 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2113 * tree.c (init_ttree): Update structures for new tree codes.
2114 (tree_code_size): Update sizes for new tree codes.
2115 (make_node_stat): Don't try to set common things on minimal
2117 (tree_node_structure): Update for tags.
2118 (is_global_var): Ditto.
2119 * tree.def: Add new tree codes.
2120 * tree.h (MTAG_P): New macro.
2121 (TREE_MEMORY_TAG_CHECK): Ditto.
2122 (SSA_VAR_P): Update for tags.
2123 (struct tree_memory_tag): New structure.
2124 (MTAG_GLOBAL): New macro.
2125 (union tree_node): Add memory tag member.
2126 * treestruct.def (TS_MEMORY_TAG): New.
2128 2005-12-05 Dale Johannesen <dalej@apple.com>
2130 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match
2131 what was approved (PR 24323).
2133 2005-12-05 Gabriel Dos Reis <gdr@integrable-solutions.net>
2135 * doc/c-tree.texi (Function Bodies): Remove description of
2138 2005-12-05 Joseph S. Myers <joseph@codesourcery.com>
2140 * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
2141 __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
2142 __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
2143 __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
2144 __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
2145 __divxc3): Document.
2147 2005-12-05 Geoffrey Keating <geoffk@apple.com>
2149 * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
2151 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
2152 hook_bool_void_false.
2153 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2154 * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
2156 * config/darwin.c (machopic_select_section): It's not defined
2157 as weak if it's only marked as weak_import.
2159 * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
2162 * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
2163 A hidden weak object does bind locally. Strong linkonce data
2164 counts like any other strong symbol for binding.
2165 (weak_finish_1): Don't specially handle weakrefs, they no longer
2167 (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
2168 * c-common.c (handle_alias_attribute): Allow static aliases
2170 (handle_weakref_attribute): Don't call declare_weak on weakrefs.
2171 * gthr-dce.h: Make weakrefs static.
2172 * gthr-tpf.h: Likewise.
2173 * gthr-solaris.h: Likewise.
2174 * gthr-posix.h: Likewise.
2175 * gthr-posix95.h: Likewise.
2176 * config/darwin.c (darwin_encode_section_info): static weakref
2177 variables are not necessarily defined in this translation unit.
2178 * doc/extend.texi (Function Attributes): Mention that an alias
2179 attribute creates a definition for the thing it's attached to.
2180 Change the documentation for weakref to say that the thing
2181 it's attached to must be static.
2183 * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
2184 we don't go into an infinite loop.
2186 2005-12-05 Paolo Bonzini <bonzini@gnu.org>
2188 * config/rs6000/predicates.md (logical_const_operand): Split
2189 out of logical_operand.
2190 (logical_operand): Use it.
2191 * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
2192 logical_const_operand.
2194 2005-12-05 Jan Beulich <jbeulich@novell.com>
2196 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
2197 and IX86_BUILTIN_CMPNESS.
2198 (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
2199 * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
2200 * config/i386/i386.md (movti_internal): Correct type attribute.
2201 Simplify mode attribute.
2202 (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
2203 Correct type attribute.
2204 (absxf2): Correct operator.
2205 * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
2206 movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
2207 * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
2209 (sse2_vmsqrtv2df2): Correct mode attribute.
2211 2005-12-05 Jan Beulich <jbeulich@novell.com>
2213 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
2214 16 bits. Provide insn pattern for this case.
2216 2005-12-05 Jan Beulich <jbeulich@novell.com>
2218 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
2220 (__popcountDI2): Likewise.
2222 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2225 * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
2226 _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
2227 * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
2230 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
2232 * c-typeck.c (null_pointer_constant_p): New function.
2233 (build_conditional_expr, build_c_cast, convert_for_assignment,
2234 build_binary_op): Use it.
2236 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
2238 * c-common.c (binary_op_error): Do not allow NOP_EXPR.
2239 (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
2241 (check_function_arguments_recurse): Allow both NOP_EXPR and
2242 CONVERT_EXPR but check conversions preserve precision.
2243 * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
2244 but check conversions preserve precision.
2245 (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in
2248 2005-12-04 Roger Sayle <roger@eyesopen.com>
2251 * common.opt (Wstring-literal-comparison): New command line option.
2252 * c-opts.c (c_common_handle_option): Set it with -Wall.
2253 * c-typeck.c (parser_build_binary_op): Issue warning if either
2254 operand of a comparison operator is a string literal, except for
2255 testing equality or inequality against NULL.
2257 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
2259 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
2261 * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
2262 of building a NOP_EXPR.
2263 (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as
2265 * c-convert.c (convert): Use fold_convert instead of building
2266 NOP_EXPRs and CONVERT_EXPRs directly. Don't special case
2267 c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove
2269 * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
2270 NOP_EXPR the same as CONVERT_EXPR.
2271 * c-typeck.c (build_function_call): Use fold_convert instead of
2272 building a NOP_EXPR directly.
2273 (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
2275 2005-12-03 Alan Modra <amodra@bigpond.net.au>
2277 PR rtl-optimization/25197
2278 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
2281 2005-12-02 Stuart Hastings <stuart@apple.com>
2283 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
2286 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
2288 * c-typeck.c (default_function_array_conversion,
2289 build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
2290 (build_conditional_expr): Apply integer_zerop to orig_op1 and
2291 orig_op2. Don't check them for NOP_EXPR.
2292 (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
2293 around integer zero.
2295 2005-12-03 Alan Modra <amodra@bigpond.net.au>
2297 * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
2298 toc_save_offset, toc_size, lr_size.
2299 (rs6000_stack_info): Use memset rather than bss struct copy to init.
2300 Test rs6000_ra_ever_killed last in condition setting lr_save_p.
2301 Adjust for removal of unused rs6000_stack_t fields.
2302 (debug_stack_info): Adjust.
2303 (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls
2304 first, and don't bother checking for set/inc of lr on sibcalls.
2305 (rs6000_emit_epilogue): Tidy code restoring stack pointer.
2307 2005-12-02 Jakub Jelinek <jakub@redhat.com>
2310 * config/i386/i386.md (movqi_1): Only force imovx for alternative
2311 5 if operand 1 is not aligned. Undo previous constraint change.
2312 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
2314 2005-12-02 Richard Guenther <rguenther@suse.de>
2316 * tree.h (build): Remove prototype.
2317 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
2318 * tree.c (build): Remove.
2319 (build0_stat): Update comment.
2321 2005-12-02 Richard Guenther <rguenther@suse.de>
2323 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
2324 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
2326 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
2327 maybe_fold_offset_to_component_ref): Likewise.
2328 * tree-ssa-dom.c (thread_across_edge,
2329 simplify_rhs_and_lookup_avail_expr,
2330 find_equivalent_equality_comparison, record_equivalences_from_stmt):
2332 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
2333 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
2334 lower_try_finally_switch): Likewise.
2335 * tree-if-conv.c (add_to_dst_predicate_list,
2336 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2337 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2338 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2339 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2340 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2341 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2342 gimplify_init_ctor_eval, gimplify_init_constructor,
2343 gimplify_variable_sized_compare, gimplify_boolean_expr,
2344 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2345 gimplify_expr, gimplify_body, gimplify_function_tree,
2346 force_gimple_operand): Likewise.
2347 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2348 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2349 mx_register_decls): Likewise.
2350 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2351 get_frame_field, finalize_nesting_tree_1): Likewise.
2352 * tree-inline.c (setup_one_parameter): Likewise.
2353 * tree-vect-transform.c (vectorizable_condition): Likewise.
2354 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2356 * tree-profile.c (tree_gen_edge_profiler): Likewise.
2357 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2358 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2359 * tree-chrec.h (build_polynomial_chrec): Likewise.
2361 2005-12-02 Richard Guenther <rguenther@suse.de>
2363 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2364 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2365 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2366 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2367 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2368 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2369 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2371 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2372 sh_adjust_unroll_max): Likewise.
2373 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2374 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2375 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2377 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2379 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2382 2005-12-02 Richard Guenther <rguenther@suse.de>
2384 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2385 simplify_cond_using_ranges): Use buildN instead of build.
2386 * tree-tailcall.c (adjust_accumulator_values,
2387 adjust_return_value): Likewise.
2388 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
2389 generate_element_copy, generate_element_zero,
2390 generate_one_element_init): Likewise.
2391 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2392 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2393 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2394 perfect_nestify): Likewise.
2396 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2398 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
2400 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
2402 * ggc.h (GGC_RESIZEVEC): New.
2404 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2406 * gcc.c (execute): Improve readability.
2408 2005-12-02 Richard Guenther <rguenther@suse.de>
2410 * tree-cfg.c (mark_used_vars): New function.
2411 (dump_function_to_file): Dump only used VAR_DECLs.
2413 2005-12-02 Richard Guenther <rguenther@suse.de>
2415 * convert.c (convert_to_integer): Fix compare for nonpositive
2416 constant to use tree_int_cst_sgn <= 0.
2418 2005-12-02 Richard Guenther <rguenther@suse.de>
2420 * convert.c (convert_to_integer): Use fold_convert instead
2421 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
2422 instead of comparing against 0. Use build_int_cst instead
2423 of converting integer_zero_node.
2425 2005-12-02 Richard Guenther <rguenther@suse.de>
2427 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2430 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2433 * combine.c (simplify_logical <IOR>): Simplify more patterns to
2436 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2439 * function.c (expand_function_end): Emit blockage for unwinder
2442 2005-12-01 Roger Sayle <roger@eyesopen.com>
2444 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2445 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2446 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2447 integer constant comparisons.
2449 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
2450 Janis Johnson <janis187@us.ibm.com>
2451 David Edelsohn <dje@watson.ibm.com>
2452 Ben Elliston <bje@au.ibm.com>
2454 * dfp.h, dfp.c: New files.
2455 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2456 (DECNUM_H): Likewise.
2457 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2458 (INCLUDES): Append $(DECNUMINC).
2459 (OBJS-common): Add dfp.o.
2461 * real.h (EXP_BITS): Pinch one bit to ..
2462 (struct real_value): Add decimal field.
2463 (real_format): Change table size, update documentation.
2464 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
2465 (real_from_string3): Declare.
2466 (decimal_single_format): Declare.
2467 (decimal_double_format): Declare.
2468 (decimal_quad_format): Declare.
2469 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
2470 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
2471 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
2472 * real.c: Include dfp.h.
2473 (normalize): Early return for decimal floats.
2474 (do_add): Zero decimal field.
2475 (do_compare): Call do_decimal_compare for decimal floats.
2476 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2477 (real_arithmetic): Call decimal_real_arithmetic for decimal
2478 floating point operands.
2479 (real_identical): If a and b are of differing radix, return false.
2480 (real_to_integer): Call decimal_real_to_integer if the value is a
2482 (real_to_integer2): Likewise, call decimal_real_to_integer2.
2483 (real_to_decimal): Likewise, call decimal_real_to_decimal.
2484 (real_to_hexadecimal): Place "N/A" in the return string for
2486 (real_from_string3): New variant, given a mode.
2487 (real_maxval): Use decimal_real_maxval for decimal floats.
2488 (round_for_format): Use decimal_round_for_format for decimals.
2489 (real_convert): Use decimal_real_convert where appropriate.
2490 (significand_size): Handle base 10.
2491 (encode_decimal_single, decode_decimal_single,
2492 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2493 decode_decimal_quad): New functions.
2494 (decimal_single_format): New.
2495 (decimal_double_format): New.
2496 (decimal_quad_format): New.
2497 * machmode.def: Add SD, DD and TD decimal floating point modes.
2498 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2499 Include MODE_DECIMAL_FLOAT.
2500 (DECIMAL_FLOAT_MODE_P): New.
2501 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2502 * genmodes.c (struct mode_data): Add counter field.
2503 (struct mode_data): Update comment for format.
2504 (blank_mode): Initialise counter field.
2505 (new_mode): Increment counter field for each mode defined.
2506 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2508 (make_complex_modes): Handle modes containing `D'.
2509 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2510 (make_decimal_float_mode): New.
2511 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2512 (cmp_modes): Compare counter field if other characteristics
2514 (emit_real_format_for_mode): Support formats for decimal floats.
2515 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2516 Document MODE_DECIMAL_FLOAT.
2518 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2520 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2523 2005-12-01 Richard Henderson <rth@redhat.com>
2525 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2527 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2529 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2531 * config/pa/pa.c (pa_init_builtins): If we detect
2532 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2535 2005-12-01 Richard Guenther <rguenther@suse.de>
2537 * fold-const.c (fold_binary): Use fold_build2, not
2540 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
2542 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2544 * vec.h (VEC_block_remove): New.
2546 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
2549 * c-common.c (lvalue_error): Fix wording.
2551 2005-12-01 Richard Guenther <rguenther@suse.de>
2553 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2554 thinko in last patch.
2556 2005-12-01 Geoffrey Keating <geoffk@apple.com>
2558 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2559 than -flat_namespace.
2561 2005-12-01 Ben Elliston <bje@au.ibm.com>
2563 * mklibgcc.in: Parameterise the script to build soft float
2564 functions by iterating over each type, rather than cloning the
2567 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2570 * builtins.c (fold_builtin_fputs): Defer check for missing
2571 replacement functions.
2573 2005-11-30 Kean Johnston <jkj@sco.com>
2575 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2576 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2578 2005-11-30 Richard Guenther <rguenther@suse.de>
2580 PR tree-optimization/22501
2581 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2582 function split out from ...
2583 (forward_propagate_addr_expr): ... here. Use it to propagate
2584 ADDR_EXPRs to all uses.
2586 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2588 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2589 * builtins.c (expand_builtin_mathfn): Use them.
2590 (expand_builtin_mathfn_2): Likewise.
2591 (expand_builtin_mathfn_3): Likewise.
2592 (expand_builtin_int_roundingfn): Likewise.
2593 (expand_builtin): Likewise.
2594 (integer_valued_real_p): Likewise.
2595 (fold_builtin_int_roundingfn): Likewise.
2596 (fold_builtin_bitop): Likewise.
2597 (fold_builtin_logarithm): Likewise.
2598 (fold_builtin_1): Likewise.
2599 * convert.c (convert_to_integer): Likewise.
2600 * fold-const.c (negate_mathfn_p): Likewise.
2601 (tree_expr_nonnegative_p): Likewise.
2603 2005-11-30 Dale Johannesen <dalej@apple.com>
2604 Andrew Pinski <pinskia@physics.uc.edu>
2606 * combine.c (find_split_point): Sign extend bitmask
2607 when changing bitfield assignment to IOR of AND.
2609 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2611 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2612 clobber to scratch reg.
2613 (*decrement_and_branch_until_zero_no_clobber): Remove.
2614 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2615 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2616 * config/ms1/ms1.opt (mmul): Remove.
2617 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2618 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2620 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2621 Bernd Schmidt <bernd.schmidt@analog.com>
2623 * pa/predicates.md (symbolic_operand): Add comment.
2624 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2625 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2626 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2627 (pa_secondary_reload_class): Delete.
2628 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2629 and pa_secondary_reload_class. Reorder some checks. Update inline
2630 copy of symbolic operand.
2631 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2633 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2635 * loop-doloop.c (add_test): Only add jump notes if we did emit a
2638 2005-11-30 Jeff Law <law@redhat.com>
2640 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2641 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2643 2005-11-30 Jakub Jelinek <jakub@redhat.com>
2645 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2646 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2647 (ia64_expand_move): Adjust caller.
2649 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2650 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2653 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
2655 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2656 Always produce an output if we can remove NEGs or canonicalize
2657 (minus (minus ...)) expressions. Provide a fast path for the
2659 (simplify_gen_binary): Do not call simplify_plus_minus.
2660 (simplify_binary_operation_1): Reassociate at the end of the
2663 2005-11-29 Evan Cheng <evan.cheng@apple.com>
2665 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2666 moves and unpack to speed up.
2668 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
2670 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2671 argument, they are always sparc_compare_op0 and sparc_compare_op1.
2672 (gen_v9_scc): Update callers.
2673 * config/sparc/sparc.md: Likewise.
2674 * config/sparc/sparc-protos.h: Update extern declaration.
2676 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2678 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2680 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2683 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2685 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2686 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2687 (negate_expr): Here.
2689 2005-11-29 Ben Elliston <bje@au.ibm.com>
2691 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2692 Fix typo in comment.
2694 2005-11-29 Ben Elliston <bje@au.ibm.com>
2696 * Makefile.in (clean-target): Depend on clean-target-libgcc.
2697 (clean-target-libgcc): Import rule from the top-level Makefile.in.
2699 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2703 * builtins.c (init_target_chars): New.
2704 (expand_builtin_printf, expand_builtin_fprintf,
2705 expand_builtin_sprintf, fold_builtin_sprintf,
2706 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2707 fold_builtin_snprintf_chk, fold_builtin_printf,
2708 fold_builtin_fprintf): Check for matching format strings using
2711 2005-11-29 Paul Brook <paul@codesourcery.com>
2713 * config.gcc: Do not use fixproto on m68k-elf.
2715 2005-11-28 Roger Sayle <roger@eyesopen.com>
2717 * expmed.c (div_cost): Replace with...
2718 (sdiv_cost, udiv_cost): New.
2719 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2720 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2721 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2722 (expand_divmod): Replace use of div_cost with either sdiv_cost
2723 or udiv_cost depending upon the signedness of the operation.
2725 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2728 * config/darwin.c (machopic_indirection_name,
2729 machopic_output_indirection): Follow transparent alias chain.
2731 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2733 * varasm.c (ultimate_transparent_alias_target): Add comment.
2735 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
2737 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2738 SET_SRC instead of XEXP where appropriate.
2740 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2742 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2745 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2747 * config/fp-bit.h (LSHIFT): Take shift count parameter.
2748 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2751 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
2753 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2754 secondary_input_reload_class, made static. Adapt to new
2756 (secondary_output_reload_class): Delete.
2757 (TARGET_SECONDARY_RELOAD): New macro.
2758 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2759 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2761 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
2764 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
2765 when its natural alignment is > BITS_PER_UNIT.
2766 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2767 * c-common.c (handle_packed_attribute): Ignore packing on a field
2768 whose type is naturally char aligned.
2770 2005-11-28 Richard Guenther <rguenther@suse.de>
2772 * c-common.c (strict_aliasing_warning): Handle all
2773 component-ref like accesses.
2775 2005-11-28 Roger Sayle <roger@eyesopen.com>
2776 Uros Bizjak <uros@kss-loka.si>
2779 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2780 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2781 when flag_unsafe_math_optimizations is set and
2782 we don't care about NaNs or Infinities.
2784 Move x/expN(y) and x/pow(y,z) transformation into common
2785 flag_unsafe_math_optimizations section.
2787 2005-11-27 Mark Mitchell <mark@codesourcery.com>
2789 * gcc.c (main): Change type of argv to "char **".
2791 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2793 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2794 small data sections.
2795 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2796 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2797 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2798 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
2799 output locals to sbss if !rs6000_elf_in_small_data_p.
2800 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2802 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2805 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2806 generated by reload.
2807 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2808 indexed_or_indirect_address.
2809 (indexed_or_indirect_address): Don't test for base reg. Call
2810 address_operand last. Make it a special predicate.
2812 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
2814 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2816 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
2819 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2821 (negate_expr): Likewise.
2823 2005-11-27 Andreas Schwab <schwab@suse.de>
2825 * config/m68k/m68k.c: Reindent and fix whitespace, remove
2828 2005-11-27 Steven Bosscher <stevenb@suse.de>
2830 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2831 has EH predecessor edges.
2833 2005-11-26 Eric Christopher <echristo@apple.com>
2835 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2836 register stalls by zero extending to the full register.
2838 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
2840 * config/floatunsisf.c, config/floatunsidf.c,
2841 config/floatunsixf.c, config/floatunsitf.c: New files.
2842 * config/ia64/t-hpux: Add floatunsitf.c.
2843 * config/ia64/ia64.c (ia64_init_libfuncs): Use
2844 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2846 2005-11-26 Richard Henderson <rth@redhat.com>
2848 * c-lex.c (pragma_lex): Rename from c_lex.
2849 * c-pch.c: Update for pragma_lex rename.
2850 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2851 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2852 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2853 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2854 * doc/tm.texi: Likewise.
2856 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
2859 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2860 when overflow is undefined.
2862 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
2864 * doc/md.texi (Insn Canonicalizations): Refer to the
2865 function commutative_operand_precedence for further rules.
2867 2005-11-25 Roger Sayle <roger@eyesopen.com>
2870 * expmed.c (choose_mult_variant): Return immediately when mult_cost
2871 is less than zero. Limit mult_cost to a reasonable upper bound for
2872 the synthetic multiplication sequence.
2874 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2877 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2878 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2879 Lookup the explicit replacement functions for any unlocked
2880 stdio builtin transformations.
2882 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
2884 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2886 * targhooks.c (default_secondary_reload): Don't require operand 2
2887 for an input reload to be earlyclobber.
2889 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2891 * fold-const.c (negate_mathfn_p): Fix comment and add support
2892 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2895 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2898 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2899 _Q_ulltoq for unsigned conversions from SImode and DImode to
2902 2005-11-25 Alan Modra <amodra@bigpond.net.au>
2904 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2905 (__floatundidf, __floatundisf): Likewise.
2907 2005-11-25 David Edelsohn <edelsohn@gnu.org>
2909 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2910 (rs6000_override_options): Remove initialization of
2911 rs6000_sr_alias_set.
2912 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2913 (rs6000_emit_stack_tie): Same.
2914 (emit_frame_save): Same.
2915 (gen_frame_mem_offset): Same.
2916 (rs6000_emit_prologue): Same.
2917 (rs6000_emit_epilogue): Same.
2919 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2922 * fold-const.c (fold_build): Convert bool_var != 1 and
2923 bool_var == 0 to !bool_var.
2925 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2928 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2929 for C being INTEGER_CST. Likewise for !=.
2931 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2934 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2935 unsigned conversions from SImode to TFmode.
2937 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
2939 * expr.c (expand_expr_real_1): Fix error in last change.
2941 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
2943 * caller-save.c: (this_insn_sets): Move into:
2944 (save_call_clobbered_regs).
2945 (mark_set_regs): Get this_insn_sets from data.
2947 (save_call_clobbered_regs): Take sets of the return value by
2948 sibcalls into account.
2950 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
2953 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2954 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2955 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2956 (memory_move_secondary_cost, init_reg_autoinc): Remove
2957 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2958 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2959 secondary_reload_class call.
2960 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
2962 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2963 (push_secondary_reload): Use secondary_reload target hook.
2964 (secondary_reload_class, scratch_reload_class): New functions.
2965 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2966 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
2967 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2968 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2969 (secondary_reload_class, scratch_reload_class): Declare.
2970 * reload1.c: Include target.h.
2971 (reload_adjust_reg_for_temp): New function.
2972 (reload_adjust_reg_for_icode): Likewise.
2973 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2974 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2976 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
2977 for inheritance. Support case when both secondary & tertiary reloads
2978 are for intermediate registers.
2979 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2980 with secondary_reload_class call. Support case when both secondary
2981 & tertiary reloads are for intermediate registers.
2982 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2983 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2984 * target.h (secondary_reload_info): New struct / typedef.
2985 (struct gcc_target): New member secondary_reload.
2986 * targhooks.c Include reload.h, optabs.h and recog.h.
2987 (default_secondary_reload): New function.
2988 * targhooks.h (default_secondary_reload): Declare.
2989 * doc/tm.texi: Document secondary_reload target hook. Update
2990 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2991 * doc/md.texi: Likewise.
2993 * sh-protos.h (sh_secondary_reload): Declare.
2994 * sh.c (TARGET_SECONDARY_RELOAD): Override.
2995 (sh_secondary_reload): New function.
2996 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2997 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2998 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2999 (HAVE_SECONDARY_RELOADS): Define.
3000 * sh.md (reload_indf): Rename to:
3002 (reload_outdf): Rename to:
3003 (reload_outdf__RnFRm).
3004 (reload_insf): Rename to:
3006 (reload_insi): Rename to:
3007 (reload_insi__i_fpul).
3009 2005-11-24 Uros Bizjak <uros@kss-loka.si>
3011 * configure.ac: Require at least texinfo 4.4.
3012 * configure: Regenerate.
3014 * doc/install.texi (Tools/packages necessary for building GCC):
3015 Update required version of texinfo to at least 4.4.
3016 (Installing GCC: Building): Update required version of texinfo
3018 (Installing GCC: Final installation): Update required version
3019 of texi2dvi to at least 4.4.
3020 (Host/target specific installation notes for GCC): Update required
3021 version of texinfo to at least 4.4.
3023 2005-11-24 Richard Guenther <rguenther@suse.de>
3024 Dirk Mueller <dmueller@suse.de>
3027 * c-common.h (strict_aliasing_warning): Declare.
3028 * c-common.c (strict_aliasing_warning): New function,
3030 * c-typeck.c (build_c_cast): ... here.
3032 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
3034 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3036 (swap_commutative_operands_with_target): New.
3038 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
3040 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
3041 also when doing PRE, rather than only for global CPROP.
3043 2005-11-24 Ben Elliston <bje@au.ibm.com>
3045 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
3046 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
3048 (expand_twoval_unop): Likewise.
3049 (widen_clz): Likewise.
3050 (expand_parity): Likewise.
3051 (expand_unop): Likewise.
3052 (emit_cmp_and_jmp_insn_1): Likewise.
3053 (prepare_float_lib_cmp): Likewise.
3055 2005-11-24 Ben Elliston <bje@au.ibm.com>
3057 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
3058 Remove unused `class' variable.
3060 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
3063 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
3064 C/C++ diagnostic function warn_array_subscript_with_type_char.
3065 * c-common.h (warn_array_subscript_with_type_char): Declare.
3066 * c-common.c (warn_array_subscript_with_type_char): Define.
3068 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
3071 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
3072 compiling at the intersection of C and C++.
3074 2005-11-23 Mark Mitchell <mark@codesourcery.com>
3076 * doc/invoke.texi: For man pages, include gcc-vers.texi.
3077 List @file in the option summary. Include the libiberty
3078 documentation for @file.
3079 * gcc.c (main): Call expandargv.
3080 * Makefile.in (gcc-vers.texi): Define srcdir.
3082 2005-11-23 Diego Novillo <dnovillo@redhat.com>
3084 * passes.c (init_optimization_passes): Document
3085 sequencing of passes.
3087 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
3089 * config/m68k/predicates.md (pcrel_address, extend_operator,
3090 post_inc_operand, pre_dec_operand): Remove redundant
3092 (const_uint32_operand, const_sint32_operand): Use gcc_assert
3094 (valid_dbcc_comparison_p): Rewrite in the lisp style.
3096 2005-11-23 Ben Elliston <bje@au.ibm.com>
3098 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
3100 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
3102 Preparatory work for PR target/21623:
3103 * alpha.c (secondary_reload_class): Rename to:
3104 (alpha_secondary_reload_class).
3105 * alpha.h, alpha-protos.h: Likewise.
3106 * mn10300.c (secondary_reload_class): Rename to:
3107 (mn10300_secondary_reload_class).
3108 * mn10300.h, mn10300-protos.h: Likewise.
3109 * pa.c (secondary_reload_class): Rename to:
3110 (pa_secondary_reload_class).
3111 * pa.h, pa-protos.h: Likewise.
3112 * rs6000.c (secondary_reload_class): Rename to:
3113 rs6000_secondary_reload_class.
3114 * rs6000.h, rs6000-protos.h: Likewise.
3116 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
3119 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
3121 2005-11-22 Ian Lance Taylor <ian@airs.com>
3123 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
3125 (prepare_cmp_insn): Likewise.
3127 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
3130 * m68k.md (zero_extendsidi2): Force operands[1] to a register
3131 if both operands[0] and operands[1] are memory.
3133 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
3136 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
3137 COMPARISON_CLASS_P and an integral types create create a new
3138 expression with the new type and fold that.
3140 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
3143 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
3144 to SUBTARGET_OS_CPP_BUILTINS.
3146 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
3148 * arm.c (emit_set_insn): New function.
3149 (arm_split_constant): Call it.
3150 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
3151 (arm_legitimize_address): Likewise. Use plus_constant.
3152 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
3153 (thumb_expand_prologue): Likewise.
3154 (arm_gen_load_multiple): Use VOIDmode in SET.
3155 (arm_gen_store_multiple): Likewise.
3156 (vfp_emit_fstmx): Likewise. Use plus_constant.
3157 (emit_multi_reg_push): Likewise.
3158 (emit_sfm): Use plus_constant.
3160 2005-11-23 Alan Modra <amodra@bigpond.net.au>
3163 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
3166 2005-11-22 Alan Modra <amodra@bigpond.net.au>
3169 * expmed.c (store_bit_field): Don't attempt to insv a field
3170 larger than the reg.
3172 2005-11-22 Alan Modra <amodra@bigpond.net.au>
3175 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
3176 explicit sign extension, not a (char) cast.
3178 2005-11-22 Ben Elliston <bje@au.ibm.com>
3180 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
3181 GET_MODE_CLASS (x) == MODE_FLOAT.
3182 * config/i386/i386.c: Likewise.
3183 * config/rs6000/xcoff.h: Likewise.
3184 * config/rs6000/linux64.h: Likewise.
3185 * config/rs6000/rs6000.c: Likewise.
3186 * config/rs6000/rs6000.h: Likewise.
3187 * config/rs6000/predicates.md: Likewise.
3188 * config/rs6000/sysv4.h: Likewise.
3190 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3192 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
3195 * config/alpha/freebsd.h, config/alpha/linux.h,
3196 config/arm/linux-elf.h, config/bfin/bfin.h,
3197 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
3198 config/i386/beos-elf.h, config/i386/gnu.h,
3199 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
3200 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
3201 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
3202 config/rs6000/linux64.h, config/rs6000/sysv4.h,
3203 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
3204 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
3205 config/sparc/linux.h, config/sparc/linux64.h,
3206 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
3208 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
3209 are both defined when either flag -fpic or -fPIC are used.
3211 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
3213 * config/fp-bit.c (clzusi): New function.
3214 (si_to_float, usi_to_float): Use it to compute proper shift.
3215 (usi_to_float): Preserve guard bits when shifting right.
3216 * libgcc-std.ver (GCC_4.2.0): New version.
3217 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
3218 __floatundisf): New functions.
3219 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
3220 __floatundisf): Declare.
3221 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
3222 _floatundixf, and _floatunditf.
3223 * optabs.c (expand_float): If target does not define a pattern for
3224 signed or unsigned conversion, use an unsigned libcall instead of
3226 (init_optabs): Initialize ufloat_optab.
3228 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
3230 * config/rs6000/rs6000.opt (mmulhw): New option.
3231 * doc/invoke.texi (-mmulhw): Document.
3232 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
3234 * config/rs6000/rs6000.md: Add half-word multiply and
3235 multiply-accumulate instructions for 405 and 440.
3237 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
3239 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
3240 which matches behavior of gcc 4.0 and older for RTEMS targets. The
3241 default now includes a linker group which makes the RTEMS one nest.
3243 2005-11-22 Ben Elliston <bje@au.ibm.com>
3245 * cse.c (fold_rtx): Typo fix.
3246 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
3248 2005-11-21 Richard Henderson <rth@redhat.com>
3250 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
3251 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
3253 * c-tree.h (lookup_name): Move declaration ...
3254 * c-common.h (lookup_name): ... here.
3255 * config/darwin-c.c: Include c-common.h.
3256 * config/t-darwin: Update dependencies.
3258 2005-11-22 Ben Elliston <bje@au.ibm.com>
3260 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
3261 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
3262 * genopinit.c (gen_insn): Likewise.
3263 * reload.c (find_equiv_reg): Likewise.
3264 * loop.c (load_mems): Likewise.
3265 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
3266 * cse.c (find_comparison_args, fold_rtx): Likewise.
3267 * dwarf2out.c (add_const_value_attribute): Likewise.
3268 * expr.c (convert_move): Likewise.
3269 * recog.c (general_operand, register_operand): Likewise.
3270 * reg-stack.c (replace_reg): Likewise.
3271 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3272 * c-common.c (handle_vector_size_attribute): Likewise.
3273 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
3274 (simplify_binary_operation_1): Likewise.
3275 (simplify_const_binary_operation): Likewise.
3276 (simplify_relational_operation): Likewise.
3277 (simplify_const_relational_operation): Likewise.
3278 (simplify_immed_subreg): Likewise.
3279 * emit-rtl.c (gen_lowpart_common): Likewise.
3280 * expmed.c (expand_mult): Likewise.
3281 * stor-layout.c (layout_type): Likewise.
3283 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
3286 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
3287 cst2 only for SPE vectors.
3289 2005-11-21 David Edelsohn <edelsohn@gnu.org>
3292 * config/rs6000/predicates.md (vrsave_operation): Check
3293 UNSPEC_VOLATILE value.
3295 2005-11-21 Jan Hubicka <jh@suse.cz>
3297 PR tree-optimization/24653
3298 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
3300 2005-11-21 Uros Bizjak <uros@kss-loka.si>
3302 * config/i386/predicates.md (ax_reg_operand): New predicate.
3303 (memory_displacement_only_operand): New predicate.
3304 * config/i386/i386.md ("modrm" attribute): Return 0 if one
3305 operand is AX register and the other operand is memory operand
3306 with displacement only.
3308 2005-11-21 Uros Bizjak <uros@kss-loka.si>
3310 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
3311 if we don't care about NaNs or Infinities.
3313 2005-11-20 Ian Lance Taylor <ian@airs.com>
3315 PR rtl-optimization/24883
3316 * combine.c (combinable_i3pat): When checking whether the
3317 destination of i3 is used in i3, consider paradoxical subregs.
3319 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
3322 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
3324 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
3326 * combine.c (try_combine): Do not run subst on i1src and i2src in
3327 the case of generating a PARALLEL for a comparison.
3329 2005-11-20 Richard Henderson <rth@redhat.com>
3332 * tree-sra.c (struct sra_elt): Add all_no_warning.
3333 (struct sra_walk_fns) <use>: Add use_all argument.
3334 (sra_walk_expr): Pass it.
3335 (sra_walk_modify_expr): Likewise.
3336 (scalarize_ldst): Likewise.
3337 (scan_use): Update for new argument.
3338 (mark_no_warning): New.
3339 (scalarize_use): Use it.
3341 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3343 * expr.c (expand_expr_real): Use usmul_optab for widening
3344 signed * unsigned multiplies.
3345 * genopinit.c (optabs): Add usmul_widen_optab.
3346 * optabs.c (init_optabs): Likewise.
3347 * optabs.h (enum optab_index): Add OTI_usmul_widen.
3348 (usmul_widen_optab): Define.
3349 * config/bfin/bfin.md (usmulhisi3): New pattern.
3351 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3353 2005-11-20 Graham Stott <btinternet.com>
3355 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
3357 2005-11-20 Andreas Schwab <schwab@suse.de>
3360 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3363 2005-11-19 Richard Henderson <rth@redhat.com>
3366 * tree-gimple.c (is_gimple_id): Export.
3367 * tree-gimple.h (is_gimple_id): Declare.
3368 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3369 (get_default_value): Use it.
3370 (maybe_fold_stmt_indirect): Likewise.
3372 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
3374 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3375 than VR1 or vice-versa.
3377 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
3381 * reload.c (find_reloads_address_1): Mention dependency on
3383 * reload1.c (gen_reload): For IN with an unary operation, try
3384 moving inner expression to OUT if trivial SET is not valid.
3385 Confirm that the result is valid. Move common code block into...
3386 (emit_insn_if_valid_for_reload): New function.
3388 2005-11-19 Richard Guenther <rguenther@suse.de>
3390 * fold-const.c (fold_indirect_ref_1): Make sure we fold
3391 ARRAY_REFs of constant strings.
3393 2005-11-19 Jakub Jelinek <jakub@redhat.com>
3395 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3396 fatal format string.
3398 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
3400 * combine.c (make_compound_operation): Swap operands of
3401 commutative operation if necessary before returning.
3403 2005-11-19 Richard Guenther <rguenther@suse.de>
3406 * fold-const.c (fold_plusminus_mult_expr): New function.
3407 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3408 cases, remove now unnecessary code.
3410 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
3412 * gensupport.c (old_preds): Rename to std_preds, add special field.
3413 (struct old_pred_table): Rename to struct std_pred_table, add special
3415 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3416 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3417 (init_predicate_table): Adjust, and set along the way whether a
3418 predicate is special.
3420 2005-11-18 Mark Mitchell <mark@codesourcery.com>
3422 * BASE-VER: Change to 4.2.0.
3424 2005-11-18 James E Wilson <wilson@specifix.com>
3426 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3429 2005-11-18 Mike Stump <mrs@apple.com>
3431 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3432 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3433 * c-decl.c (lookup_name_two) Remove.
3434 * c-tree.h (lookup_name_two): Remove.
3435 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3436 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3437 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3438 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
3440 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
3443 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3444 when not generating code to use that co-processor.
3446 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
3448 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3449 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3450 these functions are now in tree-phinodes.c.
3452 2005-11-18 Jie Zhang <jie.zhang@analog.com>
3454 * config/bfin/bfin.md (trap): New pattern.
3456 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3458 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3461 * expr.c (expand_expr_real): Don't call record_block_change unless
3462 ib_boundaries_block is non-null
3464 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
3466 * fold-const.c (build_range_check): Use proper type for subtraction
3467 when merging lower bound.
3469 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
3471 PR rtl-optimization/24497
3472 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3475 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
3477 * tree-scalar-evolution.c (expression_expensive_p): New function.
3478 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3480 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
3482 * config/bfin/crtlibid.s: New file.
3484 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3487 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3488 when not using sjlj exceptions.
3489 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3490 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3491 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3492 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3493 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3494 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3495 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3496 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3497 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3498 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3499 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3500 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3501 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3503 * config/pa/hpux-unwind.h: New file.
3505 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
3507 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3508 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3509 * varasm.c (do_assemble_alias): Adjust call.
3510 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3512 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3514 2005-11-17 James E Wilson <wilson@specifix.com>
3516 * tree.def (FUNCTION_DECL): Correct typo in comment.
3518 2005-11-17 Richard Henderson <rth@redhat.com>
3520 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3521 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3522 and DW_CFA_def_cfa_sf.
3523 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3524 (dbx_reg_number): Don't assert particular registers here.
3525 (based_loc_descr): ... do it here instead. Fold in ...
3526 (eliminate_reg_to_offset): ... this function.
3527 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3528 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3529 * unwind-dw2.c (execute_cfa_program): Apply data align factor
3530 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3531 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3532 (instantiate_virtual_regs): Likewise.
3533 * var-tracking.c (adjust_stack_reference): Likewise.
3534 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3536 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
3538 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3539 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3540 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3542 ($(T)crtlibid.o): New rule.
3544 2005-11-16 Richard Guenther <rguenther@suse.de>
3547 * fold-const.c (extract_array_ref): Return byte offset
3549 (fold_binary): Fold &x[a] CMP &x[b] to
3550 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3553 2005-11-16 Richard Henderson <rth@redhat.com>
3556 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3557 parts of an SSA_NAME.
3559 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
3562 * arm.md (split for movsf with immediate): Restrict split to insns
3563 that set a general register.
3565 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3567 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
3569 * unwind-dw2.c (uw_advance_context): Likewise.
3570 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
3571 _Unwind_SjLj_Unregister.
3572 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3574 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3576 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3578 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3580 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3581 langhook to get a DImode integer type.
3583 2005-11-16 Richard Henderson <rth@redhat.com>
3584 J"orn Rennecke <joern.rennecke@st.com>
3585 Ulrich Weigand <uweigand@de.ibm.com>
3589 * reload1.c (reg_equiv_invariant): New.
3590 (reload): Allocate, initialize, and free it.
3591 (calculate_needs_all_insns): Check it when skipping equivalence
3593 (alter_reg): Likewise.
3594 (eliminate_regs_1): Rename from eliminate_regs. Add new
3595 may_use_invariant argument; only use reg_equiv_invariant when true.
3596 (eliminate_regs): New.
3597 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3598 a context for which may_use_invariant may be true.
3600 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3602 * fold-const.c (const_binop): Don't constant fold the operation
3603 if the result has overflowed and flag_trapping_math.
3604 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3606 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3608 * config/arm/unwind-arm.c (abort): Add prototype here.
3609 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3610 (struct phase1_vrs): Add prev_sp.
3611 (unwind_phase2_forced): Save the original core registers instead of
3612 modifying entry_vrs. Take a new flag argument for resuming unwinding
3613 and set action flags accordingly. Always set _US_END_OF_STACK when
3614 get_eit_entry fails. Unwind before calling the stop function.
3615 (_Unwind_GetCFA): New function.
3616 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3617 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3618 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3619 just call unwind_phase2_forced.
3620 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3621 * config/arm/unwind-arm.h (abort): Remove prototype.
3622 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3624 (_Unwind_GetCFA): New prototype.
3625 * config/arm/pr-support.c (abort): Add prototype here.
3626 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3628 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3629 not schedule the prologue with non-call exceptions and EABI.
3631 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
3633 * config/arm/unwind-arm.h: Reorder interface function declarations.
3634 (_URC_END_OF_STACK): New enumeration value.
3635 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3636 (struct _Unwind_Control_Block): Document reserved field use.
3637 (_Unwind_Stop_Fn): New typedef.
3638 (_Unwind_ForcedUnwind): Declare.
3639 (_Unwind_Resume_or_Rethrow): Declare.
3640 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3642 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3643 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3644 (UCB_FORCED_STOP_ARG): New.
3645 (search_EIT_table): Update boundary condition checks.
3646 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3647 (unwind_phase2): Replace for with do..while.
3648 (unwind_phase2_forced): New.
3649 (__gnu_Unwind_RaiseException): Replace for with do..while.
3650 (__gnu_Unwind_ForcedUnwind): New.
3651 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3652 Use appropriate phase2 unwinder.
3653 (__gnu_Unwind_Resume_or_Rethrow): New.
3654 (__gnu_unwind_pr_common): Cope with forced unwinding.
3656 2005-11-16 David Edelsohn <edelsohn@gnu.org>
3659 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3661 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3662 roundsf2): Remove "s" from mnemonic.
3664 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
3666 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3668 * config/bfin/crtn.s: Change epilogues to match.
3669 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3670 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3671 __PIC__ and __pic__.
3673 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
3676 * doc/invoke.texi: Distinguish between free and fixed form instead of
3677 Fortran and Fortran 90/95. Remove ratfor from the list of supported
3679 * gcc.c (default_compilers): Remove double entries, add entries for
3680 suffixes '.F90' and '.F95'.
3682 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3684 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3685 in the stack probing loop.
3687 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3689 * configure.ac: Use .machine power5 not power5x.
3690 * configure: Regenerate.
3692 2005-11-15 Mike Stump <mrs@apple.com>
3694 * c-decl.c (lookup_name_two): Add.
3695 * c-tree.h (lookup_name_two): Likewise.
3696 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3697 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3699 2005-11-16 Alan Modra <amodra@bigpond.net.au>
3701 PR rtl-optimization/23392
3702 * regrename.c (enum scan_actions) Add mark_access.
3703 (scan_actions_name): Ditto.
3704 (scan_rtx_reg): Handle mark_access.
3705 (scan_rtx_address): Do nothing for mark_access.
3706 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3707 and regs in REG_INC notes before closing chains for dead regs.
3708 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3709 opening chains for new writes.
3711 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3713 * c.opt (ffixed-line-length-none): New.
3715 2005-11-15 Steve Ellcey <sje@cup.hp.com>
3717 * mklibgcc.in: Change contents of eh_dummy.c.
3719 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3721 * loop.c (scan_loop): Do not insert temporaries for hard registers.
3723 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3725 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3727 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
3729 2005-11-15 Jan Hubicka <jh@suse.cz>
3731 * invoke.texi (large-unit-insns): Document.
3732 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3733 * params.def (large-unit-insns): New param.
3735 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
3738 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3739 special register for operand 3. Reindent constraints to align
3742 2005-11-14 David Edelsohn <edelsohn@gnu.org>
3744 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3745 -mpopcntb, -mfprnd. Add -mcpu=power5+.
3746 * configure.ac: Add test for FP rounding instructions.
3747 * configure: Regenerate.
3748 * config.in: Regenerate.
3749 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3750 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3752 * config/rs6000/rs6000.opt (mfprnd): New.
3753 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3754 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3755 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3756 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3757 (TARGET_FPRND): New.
3758 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3760 (btrunc<mode>2): New.
3762 (floor<mode>2): New.
3763 (round<mode>2): New.
3765 2005-11-14 Geoffrey Keating <geoffk@apple.com>
3767 * gcc.c (version_compare_spec_function): Use fatal() rather than
3770 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3771 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3772 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3774 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3777 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3778 on -mmacosx-version-min setting.
3780 2005-11-14 Diego Novillo <dnovillo@redhat.com>
3783 * tree-vrp.c (infer_value_range): Return false if STMT is a
3784 block terminator and its basic block has no successors.
3786 2005-11-14 Mike Stump <mrs@apple.com>
3788 * config/i386/i386.c (override_options): -masm=intel isn't
3789 supported on darwin.
3790 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3792 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
3794 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3795 vfork after including auto-host.h.
3797 2005-11-15 Alan Modra <amodra@bigpond.net.au>
3799 PR rtl-optimization/22002
3800 * combine.c (distribute_notes): Detect cases where a reg dies
3801 two or more times in a bb, including on the insn we are combining,
3802 and place the death note on the correct range.
3804 2005-11-14 Dale Johannesen <dalej@apple.com>
3806 * expmed.c (store_bit_field): Add offset unconditionally for
3808 (extract_bit_field): Don't force extzv or extv operand into
3809 a register if field is too big.
3811 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3813 * config/arm/arm.c (pic_labelno): New.
3814 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3815 LABEL_REF. Pass only the labelno to PIC insns.
3816 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3817 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3818 * arm.md (UNSPEC_PIC_LABEL): New constant.
3819 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3820 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3821 Use the correct label prefix.
3823 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3825 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3828 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
3830 * loop-invariant.c: Include tm_p.h.
3831 * Makefile.in: Updated.
3833 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3835 * pa.c (store_reg): Revise generation of frame notes in large frames.
3836 (set_reg_plus_d): Likewise.
3838 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
3840 PR tree-optimization/24709
3841 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3844 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
3846 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3847 and duplicate declaration of pthread_self.
3849 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
3850 Ian Lance Taylor <ian@airs.com>
3853 * calls.c (expand_call): If TARGET is a MEM and some part of the
3854 argument area has been saved, force TARGET to a register.
3856 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
3858 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3861 2005-11-13 Jason Merrill <jason@redhat.com>
3864 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3865 lazily declared methods.
3866 (force_decl_die): Stop if forcing out the context already make a
3868 (force_type_die): Likewise.
3870 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
3873 * builtins.c (integer_valued_real_p): Add break in
3874 REAL_CST having TREE_OVERFLOW set.
3876 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
3878 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3879 addressing modes during calculation of costs.
3881 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
3883 * function.c (assign_stack_local_1): Restrict sanity check
3884 on frame size overflow to 32-bit and above platforms.
3886 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3888 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3889 * config/cris/cris.c: Include reload.h.
3890 (cris_initial_elimination_offset): New function.
3891 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3894 2005-11-12 Richard Guenther <rguenther@suse.de>
3896 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3898 2005-11-12 Jan Hubicka <jh@suse.cz>
3900 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3901 to compare against 0 when possible.
3903 2005-11-12 Jie Zhang <jie.zhang@analog.com>
3905 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3906 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3907 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3908 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3911 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3913 * recog.c (constrain_operands) <case 'g'>: For a match, require
3914 that a non-register matches general_operand when strict >= 0.
3916 2005-11-11 Steven Bosscher <stevenb@suse.de>
3918 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3921 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3923 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3924 (memory_address_same): New.
3925 (dse_optimize_stmt): Call memory_address_same.
3927 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3930 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3931 ZERO_EXTEND>: New cases.
3933 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3935 * longlong.h (__clz_tab): Always provide.
3937 2005-11-11 Steven Bosscher <stevenb@suse.de>
3940 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3942 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3943 before check_maybe_invariant.
3944 (move_invariant_reg): Use gen_move_insn instead of replacing
3945 SET_DEST with the temporary for the invariant.
3946 (move_loop_invariants): If checking is enabled, do internal
3947 consistency checks after completing the pass.
3949 2005-11-11 David Edelsohn <edelsohn@gnu.org>
3952 * common.opt (Wvolatile-register-var): New.
3953 * varasm.c (make_decl_rtl): Only emit warning when option
3954 specified. Clarify warning message.
3955 * doc/invoke.texi (Wvolatile-register-var): Document new option.
3957 * doc/md.texi (copysign): Document standard named pattern.
3959 2005-11-11 Jie Zhang <jie.zhang@analog.com>
3961 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3962 bytes when align is 2.
3963 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3964 by the first instruction of the loop.
3966 2005-11-11 Jason Merrill <jason@redhat.com>
3969 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3972 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3974 PR rtl-optimization/22509
3975 * local-alloc.c (memref_used_between_p): Check whether a function call
3976 could not reference the memref.
3978 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
3980 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3981 algorithm so as to choose the best, not the worst, alternative.
3982 Reset accumulated register class before processing next alternative.
3984 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
3987 * calls.c (expand_call): Copy a return value to a plain register
3990 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
3993 * varasm.c (assemble_name): Recompute name only for transparent
3996 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
3998 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
4000 2005-11-04 Jeff Law <law@redhat.com>
4003 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
4004 perform reassociation if the parent statement will not die as
4005 a result of the optimization.
4007 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
4009 * tree-ssa-alias.c (compute_may_aliases): Remove call to
4010 delete_old_heap_vars.
4011 * tree-dfa.c (referenced_var_remove): Remove function.
4012 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
4013 (delete_tree_ssa): Remove call to delete_old_heapvars.
4014 Add call to delete_alias_heapvars.
4015 * tree-flow.h (referenced_var_remove): Remove prototype
4016 (init_alias_heapvars): New prototype.
4017 (delete_alias_heapvars): Ditto.
4018 * Makefile.in (tree-ssa-structalias.o): Add
4019 gt-tree-ssa-structalias.o
4020 (GTFILES): Add tree-ssa-structalias.h and
4021 tree-ssa-structalias.c.
4022 (s-gtype): Add gt-tree-ssa-structalias.h.
4023 * tree-ssa-structalias.c (heapvars): Remove.
4024 (oldheapvars): Remove.
4025 (heapvar_for_stmt): New variable.
4026 (heapvar_lookup): New function.
4027 (heapvar_insert): Ditto.
4028 (get_constraint_for): See if we have an old heapvar
4030 (init_alias_heapvars): New function.
4031 (delete_alias_heapvars): Ditto.
4032 Add include of gt-tree-ssa-structalias.h.
4034 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4037 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
4039 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
4041 * tree.c (int_fits_type_p): Only look at the base type
4042 if it has the same precision as the original type.
4044 2005-11-10 Jakub Jelinek <jakub@redhat.com>
4047 * varasm.c (assemble_alias): Use %q+D in the error
4048 message instead of %J and %qD.
4050 2005-11-10 Richard Guenther <rguenther@suse.de>
4052 * gcse.c (free_ldst_entry): Only free hashtable if
4055 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4057 * function.c (assign_stack_local_1): Issue an error message if
4058 the frame size overflows in the signed target arithmetics.
4060 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4062 * tree.c (build_qualified_type): Chain the new type to the original
4063 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4064 a POINTER_TYPE or a REFERENCE_TYPE respectively.
4065 (build_pointer_type_for_mode): Only return unqualified types.
4066 (build_reference_type_for_mode): Likewise.
4068 2005-11-09 Jakub Jelinek <jakub@redhat.com>
4070 * Makefile.in (gnucompare): Do comparison of all files using one of
4071 the chosen methods and only afterwards decide if just warning should
4072 be issued or comparison failure raised.
4074 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4076 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
4077 (noce_try_abs): Negate if the comparison is reversed.
4078 Look only one instruction backwards for a REG_EQUAL note.
4080 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
4083 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
4084 gthr-tpf.h: Define __gthrw. For all identifiers that might
4085 be weak, introduce weakrefs or non-weak aliases with __gthrw,
4086 and prefix all uses with __ghtrw.
4088 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
4091 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
4092 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
4093 * c-common.c (handle_weakref_attribute): New.
4094 (c_common_attribute_table): Add weakref.
4095 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
4097 * configure, config.in: Rebuilt.
4098 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
4099 * doc/extend.texi: Document weakref attribute.
4100 * varasm.c (ultimate_transparent_alias_target): New
4101 (assemble_name): Use it.
4102 (weak_finish_1): Split out of...
4103 (weak_finish): ... and deal with weakrefs in...
4104 (weakref_targets): ... new list.
4105 (globalize_decl): Clean up weakref_targets.
4106 (do_assemble_alias): Handle weakrefs.
4107 (finish_aliases_1): Do not reject weakrefs to external symbols.
4108 (assemble_alias): Handle weakrefs.
4110 2005-11-09 Richard Guenther <rguenther@suse.de>
4112 PR tree-optimization/24716
4113 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
4114 t_bool to track results from follow_ssa_edge.
4116 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4118 * final.c (force_source_line): New global variable.
4119 (final_scan_insn): Set it to true instead of clearing last_filename.
4120 (notice_source_line): Return true if force_source_line is true,
4121 unless source info is absent.
4123 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
4126 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
4127 a linkage name for a variable if it a register variable.
4128 * c-decl.c (grokdeclarator): Global register variables
4129 should be set as PUBLIC.
4131 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4134 * config/s390/s390.c (struct s390_frame_layout): New fields
4135 first_save_gpr_slot and last_save_gpr_slot.
4136 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
4137 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
4138 first_save_gpr and last_save_gpr with the _slot variants.
4139 (s390_register_info): Calculate first_save_gpr_slot and
4140 last_save_gpr_slot using regs_ever_live.
4142 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4145 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
4146 for a function containing a landing pad.
4148 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4151 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
4154 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
4156 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
4157 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
4159 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
4162 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
4164 (call,load,store): New insn types.
4165 (mem_access, branch_access): Adjust reservation conditions.
4166 (define_delay): Adjust condition.
4167 (decrement_and_branch_until_zero): Allow for ms2. Set branch
4169 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
4170 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
4172 (call_internal, call_value_internal, return_internal,
4173 return_interrupt_internal, eh_return_internal, indirect_jump,
4174 tablejump): Set call insn type.
4175 (blockage, ei, di): Use appropriate unspec const.
4176 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
4177 (ms1_get_attr_type): Adjust to give load & store types.
4178 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
4179 backwards past a barrier.
4180 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
4182 (struct branch_info, struct label_info): New.
4184 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
4185 (ms1_machine_reorg): New.
4186 (TARGET_MACHINE_DEPENDENT_REORG): Override.
4187 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
4188 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
4189 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
4192 2005-11-09 Per Bothner <per@bothner.com>
4193 Uros Bizjak <uros@kss-loka.si>
4196 * toplev.c (process_options): Initialize debug_hooks early
4197 in case lang_hooks.post_options ends up calling a debug_hook.
4199 2005-11-08 Jakub Jelinek <jakub@redhat.com>
4201 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
4202 DBX_REGISTER_NUMBER being contiguous.
4204 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
4205 Diego Novillo <dnovillo@redhat.com>
4208 * tree-vrp.c (register_edge_assert_for): Do not register
4209 always-false predicates.
4211 2005-11-08 Devang Patel <dpatel@apple.com>
4213 PR tree-optimization/23115
4214 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
4217 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
4219 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
4222 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
4224 Fix PR tree-optimization/23382
4226 * tree-ssa-alias.c (compute_may_aliases): Call
4227 delete_old_heap_vars.
4228 * tree-dfa.c (referenced_var_remove): New function.
4229 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
4230 * tree-flow.h (referenced_var_remove): Add prototype.
4231 (delete_old_heap_vars): Ditto.
4232 * tree-ssa-structalias.c (heapvars): New variable.
4233 (oldheapvars): Ditto.
4234 (get_constraint_for): Put heap vars on heapvars list.
4235 (delete_old_heap_vars): New function.
4237 2005-11-08 Jason Merrill <jason@redhat.com>
4239 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
4241 2005-11-08 Uros Bizjak <uros@kss-loka.si>
4244 * reg-stack.c (reg_to_stack): Update register liveness also
4245 for flag_sched2_use_traces.
4247 2005-11-08 Alan Modra <amodra@bigpond.net.au>
4250 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
4251 override prior explicit -mno-powerpc-gfxopt.
4253 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
4255 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
4256 if the bitsize is zero.
4257 * doc/md.texi (Standard Pattern Names): Document it.
4259 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
4260 (TARGET_PASS_BY_REFERENCE): Likewise.
4262 2005-11-07 Ian Lance Taylor <ian@airs.com>
4264 PR rtl-optimization/24683
4265 * config/i386/i386.c (legitimize_pic_address): If constant operand
4266 to PLUS is too large, put it in a register.
4268 2005-11-07 Jie Zhang <jie.zhang@analog.com>
4270 * configure.ac: Enable checking assembler dwarf2 support for bfin
4272 * configure: Regenerate.
4274 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
4278 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
4279 gen_easy_vector_constant_add_self): Delete.
4280 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
4282 (output_vec_const_move): Use gen_easy_altivec_constant.
4283 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
4284 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
4285 (easy_vector_constant_add_self): Rewritten.
4286 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
4287 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
4288 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
4289 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
4290 Macroize and adjust for the other changes.
4292 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
4296 * c-typeck.c (build_c_cast): Try using a shared constant, and see
4297 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
4299 2005-11-07 Jakub Jelinek <jakub@redhat.com>
4301 PR rtl-optimization/23567
4302 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
4303 (noce_process_if_block): Don't do any optimizations except
4304 if (cond) x = x; if !set_b and write into orig_x may trap
4305 or fault. Remove the MEM_READONLY_P check.
4307 2005-11-06 Diego Novillo <dnovillo@redhat.com>
4310 * tree-vrp.c (fix_equivalence_set): New.
4311 (extract_range_from_assert): Call it.
4313 2005-11-05 Ian Lance Taylor <ian@airs.com>
4316 * combine.c (apply_distributive_law): Don't distribute across a
4319 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
4321 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
4322 config/ms1/ms1.h, config/rs6000/predicates.md,
4323 config/s390/s390.c, params.def, postreload-gcse.c,
4324 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
4325 tree-vrp.c, tree.c: Fix comment typos.
4326 * doc/invoke.texi: Fix typos.
4328 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
4330 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
4331 for testing whether the data_dependence_relation contains distance
4332 vectors. Iterate over all distance vectors of the ddr.
4333 * lambda.h: Define a vec of lambda_vector pointers.
4334 * tree-data-ref.c (dump_data_dependence_relation,
4335 dump_data_dependence_direction): Iterate over all distance and
4336 direction vectors of the ddr.
4337 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
4339 (build_classic_dist_vector, build_classic_dir_vector): Push a set
4340 of distance/direction vectors instead of a single one.
4341 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
4342 lambda_vectors with a vec of lambda_vectors.
4343 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
4344 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
4345 DDR_NUM_DIST_VECTS): New.
4346 * tree-loop-linear.c (gather_interchange_stats): Test for the
4347 existence of distance vectors only after having checked that there
4348 is a dependence. Iterate over all distance vectors of the ddr.
4349 (linear_transform_loops): Use dump_data_dependence_relation.
4350 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
4351 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
4352 distance vectors of the ddr.
4354 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
4356 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
4357 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
4358 IS_INTHANDLER; all callers changed.
4359 (n_regs_saved_by_prologue): Take interrupt handler attributes into
4361 (do_link, do_unlink): New argument ALL; all callers changed.
4362 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
4363 If function isn't leaf, save and restore all registers.
4364 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
4367 2005-11-05 Jan Hubicka <jh@suse.cz>
4369 PR rtl-optimization/23490
4370 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
4371 max-flow-memory-location): Document.
4372 * flow.c: Include params.h
4373 (MAX_MEM_SET_LIST_LEN): Kill.
4374 (add_to_mem_set_list): Use new param.
4375 * cse.c (cse_basic_block): Replace 1000 by new param.
4376 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
4377 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
4378 * predict.c (predict_loops): Use new param.
4379 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
4381 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
4382 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4383 Do not hold memory returned by cgraph_node_name across other call.
4385 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
4388 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
4391 2005-11-04 Jeff Law <law@redhat.com>
4394 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
4395 * tree-ssa-dom.c: Include params.h.
4396 (thread_across_edge): If there are too many statements in the
4397 target block, then do not thread through it.
4398 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
4399 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
4401 2005-11-03 Diego Novillo <dnovillo@redhat.com>
4404 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
4405 TODO_update_ssa instead of TODO_update_ssa_no_phi.
4407 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
4410 * tree-scalar-evolution.c (instantiate_parameters_1,
4411 instantiate_parameters, resolve_mixers): Compute the size of an
4412 expression to be instantiated and give up the instantiation if the
4413 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4415 2005-11-04 Richard Guenther <rguenther@suse.de>
4417 * tree-flow.h (ref_contains_indirect_ref): Rename to
4418 array_ref_contains_indirect_ref.
4419 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
4420 (array_ref_contains_indirect_ref): Make comment match the code
4422 (ref_contains_array_ref): Likewise.
4423 * tree-ssa-structalias.c (find_func_aliases): Remove call to
4424 ref_contains_indirect_ref.
4425 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4426 Rename calls to ref_contains_indirect_ref.
4428 2005-11-04 Paul Brook <paul@codesourcery.com>
4430 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
4431 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
4432 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4433 * config/arm/arm.md: Use match_operand in peephole input templates
4434 and match_dup in peephole output templates.
4436 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4438 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
4441 2005-11-04 Mark Mitchell <mark@codesourcery.com>
4442 Daniel Jacobowitz <dan@codesourcery.com>
4444 * longlong.h (add_ssaaaa): Clobber condition code register
4446 (sub_ddmmss): Likewise.
4447 (umul_ppmm): Likewise.
4449 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4450 Paul Brook <paul@codesourcery.com>
4451 Phil Blundell <pb@reciva.com>
4453 * configure.ac: Add test for ARM TLS support.
4454 * configure: Regenerated.
4455 * config/arm/arm-protos.h (legitimize_tls_address)
4456 (arm_tls_referenced_p, tls_mentioned_p)
4457 (arm_output_addr_const_extra): New prototypes.
4458 (thumb_legitimize_pic_address): Delete.
4459 * config/arm/arm.c: Include "gt-arm.h".
4460 (enum tls_reloc): New.
4461 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
4462 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
4463 (arm_call_tls_get_addr, legitimize_tls_address)
4464 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
4465 (arm_init_tls_builtins, arm_emit_tls_decoration)
4466 (arm_output_addr_const_extra): New functions.
4467 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
4468 (TARGET_HAVE_TLS): Define.
4469 (target_thread_pointer): New.
4470 (arm_override_options): Handle -mtp=.
4471 (legitimize_pic_address): Ignore UNSPECs.
4472 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4474 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4475 (tls_get_addr_libfunc): New variable.
4476 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4477 (arm_init_builtins): Call arm_init_tls_builtins.
4478 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4479 (arm_encode_section_info): Call default_encode_section_info.
4480 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4481 (enum arm_tp_type): New.
4482 (target_thread_pointer): Add declaration.
4483 (LEGITIMATE_CONSTANT_P): Handle TLS.
4484 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4485 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4486 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4487 * config/arm/arm.md: Add UNSPEC_TLS.
4488 (movsi): Handle TLS.
4489 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4491 (tls_load_dot_plus_eight): New insn and a peephole to create it.
4492 (load_tp_hard, load_tp_soft): New insns.
4493 * arm.opt: Add -mtp=.
4494 * doc/invoke.texi (ARM Options): Document -mtp.
4496 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4498 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4499 * config/arm/libunwind.S: Include "lib1funcs.asm".
4500 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4501 (LIB2ADDEH): Add libunwind.S.
4502 (LIB2ADDEHDEP): Add lib1funcs.asm.
4503 * mklibgcc.in: Handle asm files in libgcc_eh.a.
4505 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4508 * gcc/c.opt: Add a -lang-fortran option.
4509 * gcc/c-opts.c: Add a lang_fortran flag.
4510 (c_common_init_options): Handling the -lang-fortran option.
4511 (c_common_handle_option): Add a case for Fortran options in
4512 preprocessing. Remove cases for -ffixed-form and
4513 -ffixed-line-length. Add a case for -lang-fortran.
4515 2005-11-03 David Edelsohn <edelsohn@gnu.org>
4517 * config/rs6000/rs6000.c: Include params.h
4518 (optimization_options): Set max-grow-copy-bb-insns default to 16.
4519 (bdesc_2arg): Delete vpkuhss and vpkuwss.
4520 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4521 (UNSPEC_VPKUWSS): Delete.
4522 (altivec_vpkuhss): Delete.
4523 (altivec_vpkuwss): Delete.
4524 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4526 (neg_eq0<mode>): Remove final condition.
4527 (neg_eq<mode>): Remove condition and split-condition.
4529 2005-11-04 Alan Modra <amodra@bigpond.net.au>
4531 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4532 Use associated print macros.
4534 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4537 * diagnostic.c (diagnostic_set_info_translated): New function.
4538 (diagnostic_set_info): Use it. Add comment.
4539 * diagnostic.h (diagnostic_set_info_translated): Declare.
4541 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
4543 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4544 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4545 reference only if 'public' is true.
4546 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4547 emit the .hidden directive only if the indirect reference is public.
4548 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4549 Pass it to dw2_force_const_mem.
4550 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4551 * dwarf2out.c (output_cfi): Adjust calls to above function.
4552 (output_call_frame_info): Likewise.
4553 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4554 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4556 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
4558 PR tree-optimization/24483
4559 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4560 field to elts if possible.
4562 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4565 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4568 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
4570 Fix PR tree-optimization/24351
4572 * tree-ssa-structalias.c (struct variable_info): Add
4574 (get_varinfo_fc): New function to follow collapsing.
4575 (new_var_info): Set collapsed_to to NULL.
4576 (dump_constraint): Follow collapsing.
4577 (build_constraint_graph): Handle collapsing.
4578 (do_simple_structure_copy): Return false if something bad
4580 (collapse_rest_of_var): New function.
4581 (do_structure_copy): Collapse if do_simple_structure_copy returns
4584 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4587 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4588 expressions to a statement list instead of gimplifying them.
4590 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4592 PR rtl-optimization/23585
4593 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4594 that can't trap plus a constant integer, if the mode has zero size.
4596 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
4599 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4601 ("*insv<mode>_reg_extimm"): Likewise.
4603 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4606 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4607 c_common_type_for_mode returns an unnamed type.
4609 2005-11-02 Richard Henderson <rth@redhat.com>
4613 * dwarf2out.c (dwarf2out_reg_save_reg): New.
4614 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4615 * function.c (assign_parms): Use calls.internal_arg_pointer.
4616 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4618 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4619 (TARGET_CALLS): Add it.
4620 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4621 * targhooks.c (default_internal_arg_pointer): New.
4622 * targhooks.h (default_internal_arg_pointer): Declare.
4623 * tree.h (dwarf2out_reg_save_reg): Declare.
4624 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4625 * config/i386/i386.c (dbx_register_map): Add return column.
4626 (dbx64_register_map, svr4_dbx_register_map): Likewise.
4627 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4628 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4629 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4630 (ix86_save_reg): Save force_align_arg_pointer.
4631 (ix86_emit_save_regs): Make regno unsigned.
4632 (ix86_emit_save_regs_using_mov): Likewise.
4633 (ix86_expand_prologue): Handle force_align_arg_pointer.
4634 (ix86_expand_epilogue): Likewise.
4635 * config/i386/i386.h: (dbx_register_map): Update.
4636 (dbx64_register_map, svr4_dbx_register_map): Update.
4637 (struct machine_function): Add force_align_arg_pointer.
4638 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4639 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4640 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4642 2005-11-02 Jan Hubicka <jh@suse.cz>
4645 * i386.md: Add peep2 for simplyfing array accesses.
4647 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4650 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4651 * config/s390/s390.c (s390_decompose_shift_count): New function.
4652 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4653 (print_shift_count_operand): Use s390_decompose_shift_count.
4654 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4655 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
4657 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4660 * loop.c (loop_givs_rescan): Use force_operand to expand
4663 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
4666 * fold-const.c (build_range_check): Use unsigned when signed
4667 overflow is undefined also. If etype is subtype, make sure that
4668 the subtraction is in the supertype.
4670 2005-11-02 Richard Henderson <rth@redhat.com>
4673 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4676 2005-11-01 Richard Henderson <rth@redhat.com>
4679 * loop.c (scan_loop): Do not propagate computations to a hard
4680 register destination with SMALL_REGISTER_CLASSES.
4682 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
4684 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4685 costs for MULT inside PLUS or MINUS.
4687 2005-11-01 Bob Wilson <bob.wilson@acm.org>
4689 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4690 (TRAMPOLINE_SIZE): Round up to 60.
4691 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4693 2005-10-31 James E. Wilson <wilson@specifix.com>
4696 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4697 ifdef. Put ifdefs around call in gen_subprogram_die.
4698 (compute_frame_pointer_to_cfa_displacement): Likewise.
4699 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4702 PR rtl-optimization/17356
4703 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
4704 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4706 2005-10-31 Jan Hubicka <jh@suse.cz>
4709 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4712 * i386.c (legitimize_pic_address): Deal with large immediates.
4715 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4716 from symbol names while computing checkup.
4719 * predict.c (predict_loops): Do not estimate more than
4720 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4721 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4723 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
4725 PR tree-optimization/19097
4726 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4728 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
4730 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4732 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
4735 * tree-inline.c (setup_one_parameter): If the init_stmt
4736 is NULL, don't insert the statement.
4738 2005-10-30 Jan Hubicka <jh@suse.cz>
4740 PR tree-optimization/24172
4741 * tree-inline.c (copy_body_r): Unshare the substituted value first.
4743 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
4745 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4746 constants for hosts with long != 32 bits.
4748 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
4751 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4753 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
4755 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4756 (TARGET_MS1_16_002): New.
4757 (TARGET_MS1_16_003): New.
4759 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4760 ("*decrement_and_branch_until_zero_no_clobber"): New.
4761 Add corresponding splitter for decrement_and_branch_until_zero
4763 Key all decrement_and_branch_until_zero patterns off of
4766 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
4769 * tree-complex.c (extract_component): Treat RESULT_DECL
4770 like the rest of the decls.
4772 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
4774 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4775 indirect call to _mcount if the function needs a static chain.
4777 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
4778 Caroline Tice <ctice@apple.com>
4780 PR rtl-optimization/24460
4781 * dwarf2out.c (have_switched_text_sections): New boolean variable.
4782 (dwarf2out_switch_text_section): Set it to true instead of
4783 incrementing separate_line_info_table_in_use.
4784 (output_loc_list): Additionally test have_switched_text_sections.
4785 (output_ranges): Likewise.
4786 (dwarf2out_finish): Likewise.
4787 * varasm.c (assemble_start_function): Do not call
4788 insert_section_boundary_note.
4789 (assemble_end_function): If flag_reorder_blocks_and_partition,
4790 switch to the function's section before emitting the .size directive.
4791 * bb-reorder.c (insert_section_boundary_note): Staticify.
4792 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4793 * output.h (insert_section_boundary_note): Delete.
4795 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
4798 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4799 instead of pointer equality when comparing types.
4801 2005-10-24 James E. Wilson <wilson@specifix.com>
4803 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4804 add_dependence_list_and_free calls.
4806 2005-10-24 Steven Bosscher <stevenb@suse.de>
4808 * contrib.texi: Add the names of the LLNL folks who donated
4809 Cray pointer support for gfortran.
4811 2005-10-24 Steven Bosscher <stevenb@suse.de>
4813 PR tree-optimization/24225
4814 * profile.c (branch_prob): Look from end to start through a
4815 basic block when looking for a locus.
4817 2005-10-24 Richard Henderson <rth@redhat.com>
4819 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4821 (hppa_expand_prologue): Likewise.
4823 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4825 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4826 (NO_DEFERRED_PROFILE_COUNTERS): Define.
4827 * pa.h (NO_PROFILE_COUNTERS): Define.
4828 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4829 (funcdef_nos): New vector to hold label numbers of deferred profile
4831 (output_deferred_profile_counters): New function.
4832 (hppa_profile_hook): Push label number onto funcdef_nos.
4833 (pa_hpux_file_end): Call output_deferred_profile_counters if
4834 NO_DEFERRED_PROFILE_COUNTERS is false.
4836 * pa-protos.h (get_deferred_plabel): New prototype.
4837 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
4839 (output_call): Adjust calls.
4841 2005-10-24 Alan Modra <amodra@bigpond.net.au>
4843 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4844 peculiarity of GOT/TOC section usage.
4846 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
4849 * c-common.c (constant_string_class_name): Add documentation.
4851 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
4854 * recog.c (peephole2_optimize): Increment peep2_current_count
4855 only when the slot is empty.
4857 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4860 * except.c (output_function_exception_table): Call
4861 assemble_external_libcall if we need a personality function.
4863 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4865 PR rtl-optimization/24460
4866 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4867 set the basic block for barriers.
4869 2005-10-21 Janis Johnson <janis187@us.ibm.com>
4871 * var-tracking.c (vt_initialize): Initialize post.
4873 2005-10-21 Devang Patel <dpatel@apple.com>
4876 * c-common.c (vector_types_convertible_p): Check vector element type.
4878 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
4880 * config/sh/sh.c (prepare_move_operands): Handle the address
4881 constant which is a tls symbolic address plus a constant.
4883 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
4886 * gcc.c (main): Use the correct counter for erroring out
4887 about mulitple files.
4889 2005-10-21 Alan Modra <amodra@bigpond.net.au>
4892 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4893 use r2 for 64-bit tls .got access.
4895 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
4897 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4900 2005-10-20 Steven Bosscher <stevenb@suse.de>
4902 PR tree-optimization/24307
4903 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4905 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
4908 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4910 * varasm.c (find_decl_and_mark_needed): After cgraph global info
4911 is ready, stop marking functions, but still mark variables.
4913 2005-10-20 Richard Guenther <rguenther@suse.de>
4916 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4919 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
4921 PR rtl-optimization/23585
4922 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4923 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
4924 (may_trap_p_1): New predicate extracted from...
4925 (may_trap_p): ... here. Invoke may_trap_p_1.
4926 (may_trap_or_fault_p): New predicate.
4927 * rtl.h (may_trap_or_fault_p): Declare it.
4928 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4929 instead of may_trap_p.
4930 (steal_delay_list_from_fallthrough): Likewise.
4931 (fill_simple_delay_slots): Likewise.
4932 (fill_slots_from_thread): Likewise.
4933 * function.c (pad_to_arg_alignment): Rework comment about
4934 SPARC_STACK_BOUNDARY_HACK.
4935 * config/sparc/sparc.h: Likewise.
4937 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
4939 * config/s390/s390.c (s390_expand_insv): New.
4940 * config/s390/s390-protos.h (s390_expand_insv): Declare.
4941 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4942 ("icm_hi"): Remove mode attribute.
4943 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4945 ("*extracthi", "*extractqi"): Remove.
4946 (extv<mode>", "*extzv<mode>"): New.
4947 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4948 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4950 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4952 * cfgexpand.c (discover_nonconstant_array_refs_r,
4953 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4954 (tree_expand_cfg): Call discover_nonconstant_array_refs.
4955 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4956 discover_nonconstant_array_refs.
4958 2005-10-19 Steven Bosscher <stevenb@suse.de>
4961 * c-decl.c (pop_scope): Don't warn about an unused variable
4962 if it is marked with TREE_NO_WARNING.
4963 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4964 somenow mismatch and olddecl is to be replaced.
4966 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
4969 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4970 whether registers live on the edge can be saved/restored.
4972 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
4974 * config/sh/sh.c (fixup_mova): Skip notes.
4976 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4978 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4979 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4980 (s390_can_eliminate): Handle BASE_REGNUM elimination.
4981 (s390_initial_elimination_offset): Likewise.
4982 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4983 register on TARGET_ZARCH targets.
4984 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4985 (INITIAL_FRAME_POINTER_OFFSET): Remove.
4986 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4987 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4989 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
4991 * config/s390/s390.md: Comment describing output modifiers updated.
4992 * config/s390/s390.c (print_operand): Likewise.
4994 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
4996 * config/s390/s390.c (override_options): Added check for -mstack-size
4998 * doc/invoke.texi: Mention that limit in the documenation.
5000 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
5003 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
5005 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
5007 Fix PR tree-optimization/24231
5009 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
5010 (compute_avail): Ditto.
5012 2005-10-18 Richard Henderson <rth@redhat.com>
5015 * config/i386/i386.c (legitimate_constant_p): Check
5016 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
5018 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
5019 (legitimate_pic_address_disp_p): Reorg CONST checking to make
5020 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
5022 (print_operand_address): Likewise.
5023 * config/i386/predicates.md (x86_64_immediate_operand): Test
5024 SYMBOL_REF_TLS_MODEL properly inside CONST.
5025 (x86_64_zext_immediate_operand): Likewise.
5026 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
5027 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
5028 * config/i386/i386-protos.h: Remove predicates.md entries.
5030 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
5032 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
5033 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
5035 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
5036 Ian Lance Taylor <ian@airs.com>
5039 * fold-const.c (fold_widened_comparison): Do not allow range based
5040 constant folding when right operand cannot be unwidened.
5042 2005-10-17 Richard Henderson <rth@redhat.com>
5044 * builtins.c (expand_builtin_synchronize): Build a new-style asm
5045 with a memory clobber.
5047 2005-10-17 James E Wilson <wilson@specifix.com>
5049 PR rtl-optimization/17356
5050 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
5051 checking for EDGE_EH.
5053 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
5055 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
5056 the slot on an even boundary for any type with 16-byte alignment.
5058 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
5061 * md.texi (Modifiers) <%>: Clarify that % doesn't work
5062 after register allocation.
5064 2005-10-17 DJ Delorie <dj@redhat.com>
5066 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
5069 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
5072 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
5075 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
5077 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
5078 to 2 if it's already non-zero.
5079 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
5080 is set and warn about it if flag_schedule_insns is 1.
5082 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
5084 * config/crx/crx.md: Compare-and-branch instructions need to
5087 2005-10-17 Uros Bizjak <uros@kss-loka.si>
5090 * config/i386/i386.md (*pushdi2_rex64 splitter)
5091 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
5092 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
5093 flow2 pass only when (optimize > 0 && flag_peephole2).
5095 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
5098 * gcc.c (have_c): New static variable.
5100 (process_command): Remove declation of have_c.
5101 Set have_o to 1 when handling -o.
5102 (main): Add a fatel error if there are multiple
5103 files specified and -o and -c/-S is passed witout
5104 -combine or multiple languages.
5106 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
5108 Fix PR tree-optimization/22444
5109 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
5110 Assert that we don't hit something with subvars.
5111 (setup_pointers_and_addressables): Don't add things with subvars,
5112 because we'll already process the subvars for aliasing purposes.
5114 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
5117 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
5118 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
5119 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
5120 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
5121 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
5122 swapped, alternatives for the R constraint.
5125 * builtins.c (get_builtin_sync_mode): Make unlimited
5126 mode_for_size request.
5128 2005-10-15 Richard Henderson <rth@redhat.com>
5130 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
5131 (gimplify_expr): ... here.
5132 (gimplify_compound_lval): Use it in initial scan loop. Allow
5133 fb_lvalue in base expression.
5135 2005-10-15 Richard Henderson <rth@redhat.com>
5138 * builtins.c (expand_builtin_trap): Export.
5139 * expr.h (expand_builtin_trap): Declare.
5140 * expr.c (expand_assignment): Emit a trap for integral offsets
5141 from registers that weren't reduced to bitpos.
5143 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
5144 (mark_array_ref_addressable): Remove.
5145 * tree-flow.h (mark_array_ref_addressable): Remove.
5146 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
5148 2005-10-15 James E Wilson <wilson@specifix.com>
5151 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
5152 (add_dependence_list_and_free): Likewise.
5153 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
5156 2005-10-15 Diego Novillo <dnovillo@redhat.com>
5160 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
5161 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
5163 (vrp_visit_phi_node): Only prevent infinite iterations when
5164 the previous result and the new result are both VR_RANGEs.
5166 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
5168 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
5171 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5174 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
5177 2005-10-14 Per Bothner <per@bothner.com>
5179 PR preprocessor/21250
5180 * c-ppoutput.c (print_line): Print internal line 0 as 1.
5182 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
5185 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
5186 overflow flags. Refactor some conditionals.
5188 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
5191 * tree-dfa.c (add_referenced_var): Only look at decls which
5192 have TREE_CONSTANT or TREE_READONLY set instead of if
5193 !TREE_PUBLIC or !TREE_CONSTANT.
5195 2005-10-13 James E Wilson <wilson@specifix.com>
5197 * doc/invoke.texi: For -x, add f95-cpp-input.
5198 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
5200 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
5202 PR tree-optimization/24262
5203 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
5204 in loop all the time.
5206 2005-10-12 Richard Henderson <rth@redhat.com>
5209 * tree.h (DECL_TRANSPARENT_UNION): Remove.
5210 * function.c (assign_parm_find_data_types): Don't support it.
5211 * print-tree.c (print_node): Likewise.
5212 * c-common.c (handle_transparent_union_attribute): Likewise.
5213 Use build_duplicate_type.
5214 * tree-inline.c (remap_type_1): Split out of remap_type;
5215 properly remap aggregate fields.
5216 (build_duplicate_type): New.
5217 * doc/extend.texi (Variable Attributes): Remove documentation
5218 for transparent_union.
5220 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5223 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
5224 (gen_stack_pointer_dec): Likewise.
5226 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
5230 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
5232 (struct cxx): Add adjust_class_at_definition target hook.
5233 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
5234 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
5235 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
5236 hook_void_tree. Add to TARGET_CXX.
5237 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
5239 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
5240 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
5241 instead of attribute. Check for dllexport override. Warn if
5242 inconsistent dll linkage. Don't lose old dllimport if decl has
5243 had address referenced. Tweak lookup of dllimport atribute.
5244 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
5245 for target specific rules. Don't add dllimport attribute if
5246 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
5247 dllimport attribute.
5248 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
5249 * varasm.c (initializer_constant_valid_p): Replace
5250 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
5254 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
5255 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
5256 (i[34567]86-*-mingw32*): Likewise.
5258 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
5259 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
5261 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
5262 C++-specific code. Change return value to bool.
5263 (i386_pe_dllimport_p): Likewise.
5264 (associated_type): Simplify and make language-independent
5265 (i386_pe_encode_section_info): Replace override of ambiguous
5266 dllimport symbol refs with a gcc_assert.
5267 (i386_pe_valid_dllimport_attribute_p): Define.
5268 * config/i386/winnt-cxx.c: New file. Define C++ versions of
5269 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5270 i386_pe_adjust_class_at_definition.
5271 * config/i386/winnt-stubs.c: New file. Define stub versions of
5272 lang-specific functions.
5273 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
5274 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5275 i386_pe_adjust_class_at_definition.
5276 (i386_pe_valid_dllimport_attribute_p): Declare.
5277 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
5278 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
5279 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
5282 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
5283 dllimport attribute with test of DECL_DLLIMPORT_P.
5285 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
5287 * combine.c (make_extraction): Correct offset computation.
5289 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
5291 * config/cris/t-linux (LIMITS_H_TEST): Define.
5293 2005-10-12 Richard Henderson <rth@redhat.com>
5296 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
5298 2005-10-12 Richard Guenther <rguenther@suse.de>
5300 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
5302 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
5305 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
5306 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
5309 2005-10-12 Richard Guenther <rguenther@suse.de>
5312 * varasm.c (output_constant): Correct typo from previous
5315 2005-10-11 Ian Lance Taylor <ian@airs.com>
5317 PR rtl-optimization/13931
5318 * combine.c: Revert patch of 2003-05-14, and:
5319 (try_combine): Only set elim_i1 and elim_i2 if the destination is
5320 completely killed in the appropriate insn.
5321 (distribute_notes): Don't skip multiple hard register test for
5322 elim_i1 and elim_i2.
5324 2005-10-11 Richard Henderson <rth@redhat.com>
5327 * c-typeck.c (convert_for_assignment): Use build_constructor_single
5328 to initialize a transparent union instead of a nop_expr.
5330 2005-10-11 Richard Henderson <rth@redhat.com>
5332 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
5333 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
5334 (tree_ssa_dce_loop): Call scev_reset.
5337 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
5338 * tree-ssa-dce.c: Include cfgloop.h.
5339 (tree_ssa_dce_loop, pass_dce_loop): New.
5340 * tree-pass.h (pass_dce_loop): Declare it.
5341 * passes.c (init_optimization_passes): Use it.
5343 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5346 * convert.c (convert_to_real): Revert 2005-10-05 patch.
5347 Only apply the optimization for rounding builtins if the inner
5348 cast is also an extension.
5350 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
5353 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
5354 mark_new_vars_to_rename instead of update_stmt.
5356 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
5358 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
5360 2005-10-11 Jakub Jelinek <jakub@redhat.com>
5362 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
5363 for setting MMX register to 0 rather than mmx.
5365 2005-10-10 Steve Ellcey <sje@cup.hp.com>
5368 * configure.ac: Move gas check from mips specific case to common case.
5369 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
5370 * configure: Regenerate
5371 * doc/install.texi: Update.
5373 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5376 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
5378 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
5380 * gcc.c (do_spec_1): Accept numeric characters in file name
5383 2005-10-10 Nick Clifton <nickc@redhat.com>
5385 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
5386 describing the deleted arm_gen_rotated_half_load function.
5388 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
5390 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
5393 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
5395 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
5397 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
5398 (EXTRA_MULTILIB_PARTS): Define.
5399 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5400 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5401 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
5402 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5403 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5404 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
5406 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
5408 PR tree-optimization/24226
5409 * tree-cfg.c (remove_bb): Clean up unreachable loops.
5410 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
5411 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
5414 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5416 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
5418 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
5421 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
5422 Rewrite for no need for the early clobber.
5424 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
5426 Merge from csl-arm-branch:
5427 2005-09-07 Paul Brook <paul@codesourcery.com>
5428 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
5431 2005-04-30 Paul Brook <paul@codesourcery.com>
5432 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
5433 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
5435 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
5436 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
5437 (arm_override_options): Use TARGET_AAPCS_BASED.
5438 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
5439 (PTRDIFF_TYPE): Use int for AAPCS.
5440 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
5441 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
5442 (DEFAULT_SHORT_ENUMS): Delete.
5443 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
5445 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
5446 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
5447 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
5448 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
5450 2004-12-03 Mark Mitchell <mark@codesourcery.com>
5451 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
5453 2004-11-22 Mark Mitchell <mark@codesourcery.com>
5454 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
5456 2004-11-19 Mark Mitchell <mark@codesourcery.com>
5457 * config.gcc (arm*-*-linux-gnueabi): Add it.
5458 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
5460 (TARGET_OS_CPP_BUILTINS): Likeiwse.
5461 * config/arm/linux-eabi.h: New file.
5462 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
5463 (LINUX_TARET_LINK_SPEC): Likewise.
5464 (LINK_SPEC): Use it.
5465 * config/arm/t-linux-eabi: New file.
5467 2005-10-08 Steven Bosscher <stevenb@suse.de>
5470 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
5472 (PARAM_SMS_DFA_HISTORY): Likewise.
5474 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
5477 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5478 (load_register_parameters): Call it.
5479 (check_sibcall_argument_overlap_1): Likewise.
5480 (store_one_arg): Likewise.
5482 2005-10-07 James E. Wilson <wilson@specifix.com>
5484 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5485 DImode not VECINT24 for operand 2.
5488 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5492 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5493 fr_spill): Use destination_operand for operand 0.
5495 2005-10-07 DJ Delorie <dj@redhat.com>
5497 * varasm.c (output_constant): Limit error to expanding
5500 2005-10-07 Richard Guenther <rguenther@suse.de>
5503 * fold-const.c (fold_binary): Fix operand types during folding
5504 of X op (A, Y). Evaluation order of the side-effects of
5505 X and A are frontend-defined, so ensure we honour that even for
5506 tcc_comparison class operands; eased by removing duplicate code.
5508 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5510 * stor-layout.c (layout_type): Do not allow alignment of array
5511 elements to be greater than their size.
5513 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5515 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5517 (hppa*-*-linux*): Ditto.
5518 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5519 * config/host-hpux.c: New.
5520 * config/x-hpux: New.
5521 * config/pa/x-hpux: Remove.
5522 * config/pa/x-linux: Remove.
5523 * config/pa/pa-host.c: Remove.
5525 2005-10-07 Jeff Law <law@redhat.com>
5527 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5528 determine whether or not to try and thread outgoing edges.
5530 2005-10-07 David Edelsohn <edelsohn@gnu.org>
5532 * config/rs6000/rs6000.md (eqsi_power): New.
5533 (neg_eq0si): Add TARGET_POWER to final condition.
5536 2005-10-06 Richard Henderson <rth@redhat.com>
5538 * config/rs6000/rs6000.c: Revert last change.
5540 2005-10-06 Richard Henderson <rth@redhat.com>
5542 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5543 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5545 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
5549 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5550 out return_label and naked_return_label.
5552 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5554 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5557 2005-10-06 Richard Henderson <rth@redhat.com>
5560 * tree-inline.c (declare_return_variable): Handle modify_dest not
5563 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5565 Fix PR tree-optimization/22488
5566 * tree-ssa-structalias.c (check_for_overlaps): New function.
5567 (create_variable_info_for): Use it.
5569 2005-10-06 Richard Henderson <rth@redhat.com>
5572 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5573 (dwarf2out_start_source_file): Print it.
5575 2005-10-06 Geoffrey Keating <geoffk@apple.com>
5577 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5579 2005-10-06 Richard Henderson <rth@redhat.com>
5582 * mode-switching.c (optimize_mode_switching): Clear transp bit
5583 for block with incomming abnormal edges.
5585 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5586 (fpscr_set_from_mem): Use them.
5587 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5588 (fpscr postinc splitters): Rewrite as peephole2+split.
5590 2005-10-06 David Edelsohn <edelsohn@gnu.org>
5592 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5593 (eq<mode>_compare): Same.
5595 2005-10-06 Richard Guenther <rguenther@suse.de>
5597 PR tree-optimization/24238
5598 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5600 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
5602 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5603 here. Use AC_PATH_PROG for environment variables instead of
5605 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
5607 * configure: Regenerated.
5609 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
5612 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5613 then force it into a register.
5614 (call_value): Likewise.
5616 2005-10-06 Richard Henderson <rth@redhat.com>
5619 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5620 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
5621 under pass_vectorize.
5623 2005-10-05 Devang Patel <dpatel@apple.com>
5626 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5627 handling constants. Check NAMESPACE_DECL context for constants.
5629 2005-10-05 Eric Christopher <echristo@apple.com>
5631 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5633 2005-10-05 Richard Henderson <rth@redhat.com>
5636 * tree-cfg.c (mark_array_ref_addressable_1): New.
5637 (mark_array_ref_addressable): New.
5638 * tree-flow.h (mark_array_ref_addressable): Declare.
5639 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5641 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
5645 * reload.c (subst_reloads): When adding a REG_LABEL to a
5646 jump instruction, also update JUMP_LABEL.
5648 2005-10-05 David Edelsohn <edelsohn@gnu.org>
5650 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5651 * bb-reorder.c (copy_bb_p): Use it.
5652 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5654 2005-10-05 Richard Henderson <rth@redhat.com>
5657 * toplev.c (process_options): Warn about unsupported combinations
5658 of unwind tables and omit-frame-pointer.
5659 * config/i386/i386.c (override_options): Similarly. Enable
5660 accumulate-outgoing-args if not explicitly disabled.
5662 2005-10-05 Steve Ellcey <sje@cup.hp.com>
5664 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5665 Handle big endian vs. small endian.
5666 (vec_initv2sf): Handle big endian vs. small endian.
5667 (*vec_extractv2sf_1): Ditto.
5669 2005-10-05 Dale Johannesen <dalej@apple.com>
5671 * convert.c (convert_to_real): Don't convert
5672 (float)floor(double d) to floorf((float)d).
5674 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
5676 * config/arm/arm.md (insv): Use gen_int_mode in more places.
5678 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
5680 PR tree-optimization/18587
5681 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5682 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5683 build_vuses): Change to VEC type.
5684 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5685 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5686 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5687 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5688 (get_name_decl): New. Return DECL_UID of base variable.
5689 (operand_build_cmp): New. qsort comparison routine.
5690 (operand_build_sort_virtual): New. Sort virtual build vector.
5691 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5692 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5693 (FINALIZE_BASE): Use get_name_decl.
5694 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5695 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5696 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5697 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5698 direct VEC_* manipulations.
5699 (build_ssa_operands): Call operand_build_sort_virtual.
5700 (copy_virtual_operand, create_ssa_artficial_load_stmt,
5701 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5702 with direct VEC_* manipulations.
5703 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5704 with direct VEC manipulations.
5706 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
5708 PR tree-optimization/21419
5709 PR tree-optimization/24146
5710 PR tree-optimization/24151
5712 * c-typeck.c (readonly_error): Handle USE being lv_asm.
5713 (build_asm_expr): Call it if outputs are read-only.
5714 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5716 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
5717 Paolo Bonzini <bonzini@gnu.org>
5721 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5722 enable the instructions and not just the built-ins.
5723 * doc/invoke.texi (x86 Options): Likewise.
5725 2005-10-04 Geoffrey Keating <geoffk@apple.com>
5727 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5729 * doc/invoke.texi (Option Summary): Correct spelling
5730 of -mmacosx-version-min.
5732 2005-10-04 Devang Patel <dpatel@apple.com>
5734 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5737 2005-10-04 Steve Ellcey <sje@cup.hp.com>
5739 * tree-vect-transform.c (vect_create_epilog_for_reduction):
5740 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5742 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
5744 * config/s390/s390.md ("TDSI","DP"): New mode macros.
5745 ("TE","tg"): New mode attributes.
5746 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5747 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5748 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5749 dword_mode and one for GPRmode.
5751 2005-10-04 Ian Lance Taylor <ian@airs.com>
5753 PR preprocessor/13726
5754 * c-ppoutput.c (cb_include): Add comments parameter, and print out
5755 any comments passed in.
5757 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5759 * tree.c (annotate_with_file_line): Fix typo.
5761 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5764 * builtins.c (fold_builtin_memcmp): When constructing the pointer
5765 type used to access data in the inlined length == 1 case, use
5766 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5767 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5769 2005-10-04 Uros Bizjak <uros@kss-loka.si>
5771 * config/i386/i386.h (TARGET_FISTTP): Enable also for
5772 TARGET_SSE3 and only for TARGET_80387.
5773 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5774 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5775 Do not depend on TARGET_80387.
5777 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5779 * tree.c (last_annotated_node): Change type to location_t*.
5780 (annotate_with_file_line): Reflect the change of
5781 last_annotated_node type.
5783 2005-10-04 Richard Guenther <rguenther@suse.de>
5786 * c-decl.c (grokdeclarator): Don't write to fields
5789 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5792 * c-decl.c (finish_decl): Use set_user_assembler_name even for
5794 * varasm.c (make_decl_rtl): If a register variable does not
5795 have a set user assmbler name, error out.
5796 Decode the asmspec is now name+1 bypassing '*'.
5798 2005-10-04 Steven Bosscher <stevenb@suse.de>
5800 PR tree-optimization/23049
5801 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5802 of a COND_EXPR is folded before calling fold on the whole rhs of a
5803 conditional assignment.
5804 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5805 document that a COND_EXPR may appear there.
5807 2005-10-03 Diego Novillo <dnovillo@redhat.com>
5810 * tree-vrp.c (extract_range_from_assert): If the new numeric
5811 range created out of the assertion contradicts the existing
5812 numeric range of the ASSERT_EXPR variable, make the new range
5815 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
5817 * config/sh/sh.c (sh_register_move_cost): Add case for moving
5818 from T_REGS to FP register class.
5820 2005-10-03 Richard Henderson <rth@redhat.com>
5823 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5824 before creating a new one.
5826 2005-10-03 David Edelsohn <edelsohn@gnu.org>
5828 * config/rs6000/t-aix43 (LDFLAGS): New.
5829 * config/rs6000/t-aix52 (LDFLAGS): New.
5831 2005-10-03 Ian Lance Taylor <ian@airs.com>
5833 * gimplify.c (find_single_pointer_decl_1): New static function.
5834 (find_single_pointer_decl): New static function.
5835 (internal_get_tmp_var): For a formal variable, set restrict base
5836 information if appropriate.
5837 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5839 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5840 (DECL_GET_RESTRICT_BASE): Define.
5841 (SET_DECL_RESTRICT_BASE): Define.
5842 (decl_restrict_base_lookup): Declare.
5843 (decl_restrict_base_insert): Declare.
5844 (struct tree_decl_with_vis): Add based_on_restrict_p field.
5845 * tree.c (restrict_base_for_decl): New static variable.
5846 (init_ttree): Initialize restrict_base_for_decl.
5847 (copy_node_stat): Copy restrict base information.
5848 (decl_restrict_base_lookup): New function.
5849 (decl_restrict_base_insert): New function.
5850 (print_restrict_base_statistics): New static function.
5851 (dump_tree_statistics): Call print_restrict_base_statistics.
5853 2005-10-02 Diego Novillo <dnovillo@redhat.com>
5856 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5857 case of anti-ranges.
5859 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
5862 * c-typeck.c (tagged_tu_seen): Rename to ...
5863 (tagged_tu_seen_cache): this and add val field.
5864 (comptypes): Move functional to comptypes_internal
5865 and free tagged_tu_seen.
5866 (comptypes_internal): New function and call comptypes_internal
5867 instead of comptypes. Speed up by sibcalling
5868 tagged_types_tu_compatible_p.
5869 (alloc_tagged_tu_seen): New function
5870 (free_all_tagged_tu_seen_up_to): New function.
5871 (tagged_types_tu_compatible_p): Return the val of the seen two
5873 Add that the two types are the same to tagged_tu_seen_base
5874 if they are and call comptypes_internal instead of comptypes.
5875 <case UNION_TYPE>: Speed up common type where the fields are
5877 (function_types_compatible_p): Call comptypes_internal instead of
5879 (type_lists_compatible_p): Likewise.
5880 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5882 2005-10-02 Matthias Klose <doko@debian.org>
5884 * doc/invoke.texi: Fix typo and speling error.
5886 2005-10-01 Richard Henderson <rth@redhat.com>
5888 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5890 2005-10-01 Mark Mitchell <mark@codesourcery.com>
5892 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5893 using --start-group and --end-group.
5895 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5897 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5898 FIXME note regarding quirky semantics.
5900 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5903 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5904 non-null range as a last resort.
5906 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
5907 Diego Novillo <dnovillo@redhat.com>
5910 * tree-vrp.c (extract_range_from_assert): For !=
5911 assertions, only build an anti-range if LIMIT is a
5912 single-valued range.
5914 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
5916 * arm.md (movqi): On thumb when optimizing, handle loading from
5917 memory by describing this as taking a subreg of a zero-extended load
5918 into an SImode register.
5921 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
5923 * reload1.c (merge_assigned_reloads): Do not change any
5924 RELOAD_FOR_OUTPUT_ADDRESS reloads.
5926 2005-09-30 Geoffrey Keating <geoffk@apple.com>
5928 * Makefile.in (LIPO_FOR_TARGET): Define.
5929 (STRIP_FOR_TARGET): Define.
5931 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5932 before creating new ones. Do symlinks before creating the actual
5935 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5936 to work out which multilibs are actually being built.
5938 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
5940 * tree-vect-transform.c, config/ms1/ms1.md,
5941 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5942 Follow spelling conventions.
5943 * doc/invoke.texi, doc/md.texi: Fix typos.
5945 2005-09-30 Andrew Macleod <amacleod@redat.com>
5947 PR tree-optimization/21430
5948 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5949 use operands, and set stmt pointer if need be.
5950 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5951 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5954 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5957 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5959 2005-09-29 Mark Mitchell <mark@codesourcery.com>
5961 * optabs.c (expand_binop): Initialize first_pass_p.
5963 2005-09-29 Jakub Jelinek <jakub@redhat.com>
5966 * c-decl.c (c_write_global_declarations_1): If any
5967 wrapup_global_declaration_2 call returned true, restart the loop.
5969 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
5971 Fix PR tree-optimization/24117
5972 * tree-ssa-structalias.c (find_func_aliases): Strip nops
5973 before considering whether to use anyoffset.
5975 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
5979 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
5981 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5983 (swap_commutative_operands_with_target): New.
5985 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
5988 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5991 2005-09-29 Steven Bosscher <stevenb@suse.de>
5993 PR tree-optimization/23911
5994 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5995 and IMAGPART_EXPR too.
5997 2005-09-28 Mark Mitchell <mark@codesourcery.com>
6000 * expmed.c (expand_shift): Move logic to reverse rotation
6001 direction when rotating by constants ...
6002 * optabs.c (expand_binop): ... here.
6003 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
6004 (ix86_rotrdi3): New pattern.
6005 (rotldi3): Handle 32-bit mode.
6006 (ix86_rotldi3): New pattern.
6008 2005-09-29 Alan Modra <amodra@bigpond.net.au>
6011 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
6012 check for numbers that need no bit twiddle.
6014 2005-09-28 Geoffrey Keating <geoffk@apple.com>
6016 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
6017 multilib to be built.
6019 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
6020 (stage1-start): Delete old libgcc and libunwind before moving
6021 anything into the stage directory.
6022 (stage2-start): Likewise.
6023 (stage3-start): Likewise.
6024 (stage4-start): Likewise.
6025 (stageprofile-start): Likewise.
6026 (stagefeedback-start): Likewise.
6027 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
6028 header in tm_file and CPU-specific t-darwin in tmake_file.
6029 (i[34567]86-*-darwin*): Don't change tm_file.
6030 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
6031 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
6032 shared library stub for target OS version.
6033 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
6034 (SHLIB_LINK): Don't make SHLIB_SOLINK.
6035 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
6036 (libgcc_s.%.dylib): New.
6038 (install-darwin-libgcc-stubs): New.
6039 (INSTALL_LIBGCC): New append.
6040 * config/i386/darwin-libgcc.10.4.ver: New.
6041 * config/i386/darwin-libgcc.10.5.ver: New.
6042 * config/i386/t-darwin: New.
6043 * config/rs6000/darwin-libgcc.10.4.ver: New.
6044 * config/rs6000/darwin-libgcc.10.5.ver: New.
6045 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
6046 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
6048 2005-09-28 Paul Brook <paul@codesourcery.com>
6050 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
6053 2005-09-28 Richard Guenther <rguenther@suse.de>
6055 PR tree-optimization/23853
6056 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
6057 host_integerp to verify misalignment value.
6059 2005-09-28 Richard Henderson <rth@redhat.com>
6061 * builtins.c (get_builtin_sync_mode): New.
6062 (expand_builtin_sync_operation): Pass in mode argument.
6063 (expand_builtin_compare_and_swap): Likewise.
6064 (expand_builtin_lock_test_and_set): Likewise.
6065 (expand_builtin_lock_release): Likewise.
6066 (expand_builtin): Update to match.
6068 2005-09-28 Nick Clifton <nickc@redhat.com>
6070 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
6071 formatting. Add check to PLUS case to ensure that the offset is
6072 within an acceptable range.
6074 * config/v850/v850.md (casesi): Disable the generation of the
6075 switch pattern as it is not being handled properly at the moment.
6077 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
6078 for when the high words are identical.
6080 2005-09-27 Richard Henderson <rth@redhat.com>
6082 * pretty-print.c (pp_base_format): Fix typo for %>.
6084 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
6085 Devang Patel <dpatel@apple.com>
6087 PR tree-optimization/23625
6088 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
6089 LABEL_EXPR, assertion check.
6091 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
6093 * optabs.c (no_conflict_move_test): Check if a result of a
6094 to-be-moved insn would be clobbered by an originally
6097 2005-09-27 Jeff Law <law@redhat.com>
6099 * passes.c (init_optimization_passes): Replace copy propagation
6100 passes immediately after DOM with phi-only copy propagation
6101 pases. Add phi-only copy propagation pass after first DOM pass.
6102 * tree-pass.h (pass_phi_only_copy_prop): Declare.
6103 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
6104 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
6105 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
6106 to init_copy_prop. Callers updated.
6107 (do_phi_only_copy_prop): New function.
6108 (pass_phi_only_copy_prop): New pass descriptor.
6110 2005-09-27 Nick Clifton <nickc@redhat.com>
6112 * libgcc2.c (__popcount_tab): Remove redundant prototype.
6114 2005-09-26 Jason Merrill <jason@redhat.com>
6117 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
6119 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
6121 2005-09-26 James E Wilson <wilson@specifix.com>
6123 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
6124 copyright. Add gcc copyright plus libgcc exception.
6125 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
6127 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
6129 2005-09-26 Jeff Law <law@redhat.com>
6131 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
6132 about when to iterate.
6134 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
6137 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
6138 for __complex__ double in -mcpu=G5 mode.
6140 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
6142 PR tree-optimization/23942
6143 * Makefile.in (SCEV_H): Depends on PARAMS_H.
6144 * tree-scalar-evolution.c: Include params.h.
6146 (follow_ssa_edge, follow_ssa_edge_in_rhs,
6147 follow_ssa_edge_in_condition_phi_branch,
6148 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
6149 Change return type to t_bool. Use a parameter to limit the size of
6150 trees that are walked before stopping
6151 (analyze_evolution_in_loop): Initialize the limit to 0.
6152 (follow_ssa_edge): Give up by returning t_dont_know if the limit
6153 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
6155 2005-09-26 Uros Bizjak <uros@kss-loka.si>
6158 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
6159 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
6161 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
6163 * combine.c (make_extraction): Check for valid use of subreg.
6165 2005-09-26 Uros Bizjak <uros@kss-loka.si>
6168 * config/i386/i386.md ("*fistdi2_1"): New pattern.
6169 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
6170 ("fist<mode>2_with_temp"): Use only register operands.
6172 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
6174 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
6175 CALL_INSN_FUNCTION_USAGE.
6177 2005-09-26 Richard Guenther <rguenther@suse.de>
6180 * gcse.c: Include hashtab.h, define ldst entry hashtable.
6181 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
6182 (ldst_entry): Use the hashtable instead of list-walking.
6183 (find_rtx_in_ldst): Likewise.
6184 (free_ldst_entry): Free the hashtable.
6185 (compute_ld_motion_mems): Create the hashtable.
6186 (trim_ld_motion_mems): Remove entry from hashtable if
6187 removing it from list.
6188 (compute_store_table): Likewise^2.
6189 (store_motion): Free hashtable in case we did not see
6192 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
6194 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
6195 and arg1 if we are passing them to fold_build2.
6197 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
6200 * config/i386/i386.c (ix86_function_regparm): Fix the test for
6203 2005-09-25 Richard Henderson <rth@redhat.com>
6205 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
6206 SYMBOL_REF_TLS_MODEL to be correct.
6208 2005-09-24 Richard Henderson <rth@redhat.com>
6210 * ipa-type-escape.c (discover_unique_type): Remove dead code at
6211 end of function. Reindent.
6213 2005-09-24 Ian Lance Taylor <ian@airs.com>
6215 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
6216 NEGATE_EXPR/BIT_NOT_EXPR case.
6218 2005-09-24 Richard Henderson <rth@redhat.com>
6220 * c-common.c (handle_mode_attribute): When not modifying in place,
6221 create subtypes for enumerations.
6222 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
6223 * gimplify.c (create_tmp_from_val): Likewise.
6225 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
6227 * config/i386/i386.md (*tls_global_dynamic_64,
6228 *tls_local_dynamic_base_64): Add missing mode to call.
6229 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
6231 2005-09-24 Jan Hubicka <jh@suse.cz>
6233 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
6234 (cgraph_clone_node): Likewise.
6235 * cgraph.h (cgraph_clone_edge): Update prototype.
6236 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
6237 duplicated prototypes; add updating argument.
6238 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
6239 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
6241 (cgraph_mark_inline_edge): Likewise.
6242 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
6243 (cgraph_flatten_node): Likewise.
6244 (cgraph_decide_recursive_inlining): Likewise.
6245 (cgraph_decide_inlining_of_small_function): Likewise.
6246 * tree-optimize.c (tree_rest_of_compilation): Likewise.
6248 2005-09-23 David Edelsohn <edelsohn@gnu.org>
6249 Pete Steinmetz <steinmtz@us.ibm.com>
6251 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
6252 (rldic.): Set type to "compare".
6254 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
6255 mfjmpr for MFCTR/MFLR.
6256 (movdf_hardfloat64): Same.
6257 (movdf_softfloat64): Same. Correct order of store and move types.
6258 (movti_string): Set type to store_ux/load_ux.
6259 (load_multiple): Set type to load_ux.
6260 (store_multiple): Set type to store_ux.
6261 (movmemsi): Set type to store_ux.
6262 (output_cbranch direct_return): Set type to jmpreg.
6263 (stmw): Set type to store_ux.
6264 (lmw): Set type to load_ux.
6265 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
6266 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
6267 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
6268 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
6269 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
6270 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
6271 (rios1-fpstore): Increase latency to 3.
6272 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
6273 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
6275 2005-09-23 David Edelsohn <edelsohn@gnu.org>
6276 Andrew Pinski <pinskia@physics.uc.edu>
6278 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
6279 operand2 constraint to "b".
6280 (sync_<fetchop_name>di_internal): Same.
6281 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
6283 (sync_old_<fetchop_name>di_internal): Same.
6284 (sync_new_<fetchop_name>si_internal): Same.
6285 (sync_new_<fetchop_name>di_internal): Same.
6287 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
6290 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
6291 case, define as macros.
6293 PR rtl-optimization/23837
6294 * optabs.c (no_conflict_move_test): Don't set must_stay for a
6295 clobber / clobber match between dest and p->first.
6297 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
6298 (no_conflict_move_test): Update comments.
6300 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6302 * doc/install.texi: Update URL for Jacks.
6303 * doc/sourcebuild.texi: Likewise.
6305 2005-09-22 David Edelsohn <edelsohn@gnu.org>
6308 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
6309 registers when choosing register preferences.
6310 (movdf_hardfloat64): Same.
6312 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
6314 * expmed.c (expand_shift): Don't use the target of the rotate as
6315 target for the first expanded shift insn.
6316 * testsuite/gcc.dg/20050922-1.c: Testcase added.
6318 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
6320 PR tree-optimization/22438
6321 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
6322 preserved iv rhs rewriting specially.
6324 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
6326 * tree-data-ref.c (analyze_array_indexes): Only estimate when
6327 estimate_only is true.
6328 * tree-flow.h (ref_contains_indirect_ref): New prototype.
6329 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
6330 tree-ssa-structalias.c
6331 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
6332 ref_contains_indirect_ref.
6333 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
6335 2005-09-21 DJ Delorie <dj@redhat.com>
6337 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
6339 (mn10300_return_in_memory): Support variable size types also.
6340 (mn10300_pass_by_reference): Likewise.
6341 (mn10300_function_value): New.
6342 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
6343 (FUNCTION_OUTGOING_VALUE): Likewise.
6344 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
6345 * doc/invoke.texi: Document it.
6347 2005-09-21 Uros Bizjak <uros@kss-loka.si>
6350 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
6351 force integer op1 into register for XFmode compares.
6353 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6356 * expmed.c (alg_code): Add alg_impossible.
6357 (alg_hash_entry): Add cost.
6358 (synth_mult): Record alg_impossible in the hash table if
6359 multiplication by a given integer is impossble within the
6360 limit. Speed up using alg_impossible.
6362 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
6364 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
6365 argument. Allow and set any offset if needs_anyoffset is passed
6367 (get_constraint_for): Add argument here too.
6369 (do_structure_copy): Pass NULL to get_constraint_for.
6370 (handle_ptr_arith): Ditto.
6371 (find_func_aliases): Ditto.
6373 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
6375 PR rtl-optimization/23898
6376 * output.h (get_attr_min_length): Declare.
6377 * final.c (get_attr_length_1): New function, broken out of:
6379 (get_attr_min_length): New function.
6380 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
6381 (duplicate_computed_gotos): Likewise.
6382 * genattr.c (insn_min_length): Generate declaration.
6383 * genattrtab.c (min_fn, min_attr_value): New functions.
6384 (make_length_attrs): Generate insn_min_length.
6386 2005-09-20 Steve Ellcey <sje@cup.hp.com>
6388 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
6390 2005-09-20 Richard Henderson <rth@redhat.com>
6392 PR tree-optimization/24059
6393 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
6396 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
6398 * c.opt (fextended-identifiers): New.
6399 * c-opts.c (c_common_handle_option): Handle
6400 -fextended-identifiers.
6401 * doc/cpp.texi: Update documentation of extended identifiers.
6402 * doc/cppopts.texi (-fextended-identifiers): Document.
6404 2005-09-20 Jakub Jelinek <jakub@redhat.com>
6406 PR tree-optimization/23929
6407 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
6410 PR tree-optimization/23818
6411 * tree-stdarg.c (execute_optimize_stdarg): Call
6412 calculate_dominance_info.
6414 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
6416 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
6417 (analyze_siv_subscript_cst_affine): Add weak SIV test.
6418 (compute_overlap_steps_for_affine_1_2): Use
6419 get_number_of_iters_for_loop.
6420 (analyze_subscript_affine_affine): Check whether difference is
6422 Use get_number_of_iters_for_loop.
6423 Check whether overlap occurs outside of bounds.
6424 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
6426 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
6428 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
6429 base register if possible.
6431 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
6433 PR tree-optimization/18463
6434 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
6435 converting it directly is not possible.
6436 (chrec_convert_aggressive): New function.
6437 * tree-chrec.h (chrec_convert_aggressive): Declare.
6438 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
6439 Fold chrec conversions aggressively if asked to.
6440 (instantiate_parameters): Modified because of changes in
6441 instantiate_parameters_1.
6443 2005-09-19 Richard Henderson <rth@redhat.com>
6445 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
6446 (reduc_splus_v2df): New.
6448 2005-09-19 Richard Sandiford <richard@codesourcery.com>
6450 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
6451 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
6453 2005-09-19 Richard Henderson <rth@redhat.com>
6455 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
6458 2005-09-19 Richard Henderson <rth@redhat.com>
6460 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
6461 (ia64_expand_dot_prod_v8qi): New.
6462 * config/ia64/ia64-protos.h: Update.
6463 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
6464 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
6465 sdot_prodv8qi, sdot_prodv4hi): New.
6466 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
6468 2005-09-19 Richard Henderson <rth@redhat.com>
6471 * real.c (exact_real_truncate): Return false if the format cannot
6472 represent the number as a normal.
6474 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6475 for a memory source.
6477 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
6479 * tree-ssa-operands.c (swap_tree_operands): Export.
6480 * tree.h (swap_tree_operands): Declare.
6481 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6482 Call swap_tree_operands.
6484 2005-09-19 Richard Henderson <rth@redhat.com>
6486 * tree-flow.h (merge_alias_info): Declare.
6487 * tree-ssa-copy.c (merge_alias_info): Export.
6488 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6489 (vect_create_data_ref_ptr): Use create_iv directly.
6490 (vectorizable_load): Use correct types for integer constants.
6491 (vect_generate_tmps_on_preheader): Likewise.
6492 (vect_gen_niters_for_prolog_loop): Likewise.
6494 2005-09-19 Steven Bosscher <stevenb@suse.de>
6496 PR rtl-optimization/23943
6497 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6499 2005-09-18 Jan Hubicka <jh@suse.cz>
6501 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6503 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
6505 * varasm.c (output_constant): Do not abort on conversions to union
6506 types between different sizes.
6508 2005-09-18 Richard Guenther <rguenther@suse.de>
6511 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6514 2005-09-18 Paul Brook <paul@codesourcery.com>
6516 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6518 2005-09-17 Richard Henderson <rth@redhat.com>
6520 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6521 * tree-ssa-loop.c (pass_vect_dce): Remove.
6522 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6525 2005-09-17 Richard Henderson <rth@redhat.com>
6527 * tree-pass.h (pass_vect_dce): Declare.
6528 * passes.c (init_optimization_passes): Add it.
6529 * tree-flow.h (tree_ssa_dce): Declare.
6530 * tree-ssa-dce.c (tree_ssa_dce): Export.
6531 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6532 (gate_tree_vectorize): ... here.
6533 (pass_vect_dce): New.
6535 2005-09-17 Jan Hubicka <jh@suse.cz>
6537 * except.c (struct eh_status): Turn region_array into vec.
6538 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6539 convert_from_eh_region_ranges, find_exception_handler_labels,
6540 current_function_has_exception_handlers, assign_filter_values,
6541 build_post_landing_pads, dw2_build_landing_pads,
6542 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6543 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6544 foreach_reachable_handler, can_throw_internal_1,
6545 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6547 (duplicate_eh_region_1): Update region_array.
6548 (duplicate_eh_regions): Resize region_array and avoid recomputing.
6550 2005-09-17 David Edelsohn <edelsohn@gnu.org>
6553 * expmed.c (expand_mult): Substitute simple register for op0 when
6556 2005-09-17 Richard Henderson <rth@redhat.com>
6558 * expr.c (emit_move_via_integer): Add force argument, pass it on
6559 to emit_move_change_mode. Update callers.
6560 (emit_move_complex): Pass true to new force argument.
6561 * function.c (expand_function_end): Move expand_eh_return call
6562 earlier. Merge sub-word complex values into a pseudo before
6563 copying to the return hard register.
6565 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
6567 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6568 between different sizes.
6570 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
6574 * passes.c (init_optimization_passes): Register dump files for
6577 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
6579 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6580 * config/s390/s390.c (s390_overlap_p): New function.
6581 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6582 peephole2, "*xc" peephole2): Added overlap check to the peephole2
6585 2005-09-16 Richard Guenther <rguenther@suse.de>
6587 * ipa-pure-const.c (static_execute): Free auxiliar information.
6588 * ipa-type-escape.c (discover_unique_type): Free temporary key.
6589 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6591 2005-09-15 DJ Delorie <dj@redhat.com>
6593 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6595 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
6597 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6599 (swap_commutative_operands_with_target): New.
6601 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
6603 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6606 (estimate_iters_using_array): New function.
6607 * tree-data-ref.h (estimate_iters_using_array): Prototype
6608 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6609 Use estimate_iters_using_array instead of analyze_array.
6611 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
6613 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6616 2005-09-15 Michael Matz <matz@suse.de>
6618 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6620 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
6622 PR tree-optimization/23835
6623 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6624 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6626 2005-09-14 Richard Henderson <rth@redhat.com>
6628 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6629 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6631 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
6633 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6634 in the ARRAY_TYPE case.
6636 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
6638 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6640 2005-09-14 Uros Bizjak <uros@kss-loka.si>
6643 * tree-vect-transform.c (vectorizable_operation): Return false for
6644 scalar shift operations and for vector shift operations with
6645 non-invariant shift arguments. Use scalar tree operand op1 as
6646 a shift operand when vector shift insn pattern uses scalar shift
6648 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6650 2005-09-14 Olivier Hainque <hainque@adacore.com>
6652 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6653 value if it has side-effects.
6655 2005-09-14 David Edelsohn <edelsohn@gnu.org>
6658 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6660 2005-09-14 Alan Modra <amodra@bigpond.net.au>
6662 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6663 passed as NAME as if it were label at start of function code.
6665 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
6667 * config/sh/sh.md (*movv4sf_i): Add general register cases to
6670 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6672 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6673 as early clobber. Rewrite so the PIC register is not implicitly used.
6675 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6677 * tree.c (annotate_with_file_line): Compare line numbers before
6680 2005-09-13 Uros Bizjak <uros@kss-loka.si>
6683 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6684 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6686 2005-09-13 Ian Lance Taylor <ian@airs.com>
6688 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6689 than a HOST_WIDEST_INT to gen_doloop_begin.
6691 2005-09-13 Diego Novillo <dnovillo@redhat.com>
6693 * tree-dfa.c (dump_variable): Guard against NULL annotations.
6695 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
6697 PR tree-optimize/23817
6698 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6700 2005-09-13 Alan Modra <amodra@bigpond.net.au>
6703 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6704 word before changing the stack pointer. Use gen_frame_mem for MEMs.
6705 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6706 (restore_stack_nonlocal): Likewise.
6707 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6709 2005-09-12 Ian Lance Taylor <ian@airs.com>
6712 * c.opt (ffriend-injection): New C++ option.
6713 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6714 (C++ Dialect Options): Document -ffriend-injection.
6716 2005-09-12 Josh Conner <jconner@apple.com>
6719 * ipa-reference.c (static_execute): Don't mark variables in
6720 named sections TREE_READONLY.
6722 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6724 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6727 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6729 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6730 V_MUST_DEF instead of just the first_use_p.
6731 Don't mark the virtual variables for renaming on the statement which
6733 (pass_dse): Remove TODO_update_ssa.
6735 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
6738 * stor-layout.c (compute_record_mode): For records with a single
6739 field, actually check the field's mode size against the type size.
6741 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6742 registers for TARGET_SHMEDIA.
6743 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6744 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
6745 of GENERAL_REGS and FP_REGS.
6747 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
6749 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6751 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6753 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6754 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6755 are omitted. Exclude stack_tie insn too.
6757 2005-09-11 David Edelsohn <edelsohn@gnu.org>
6759 PR rtl-optimization/23098
6760 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6762 * config/rs6000/rs6000.md (movdf splitter): Use
6763 const_double_operand predicate for TARGET_POWERPC64.
6764 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6765 SYMBOL_REF method to ABI_V4.
6767 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6768 replace_equiv_address.
6769 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6770 rs6000_sr_alias_set and MEM_NOTRAP.
6771 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6773 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
6775 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6776 handle CALL_EXPR again.
6778 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
6780 * arm/predicates.md (alignable_memory_operand): Delete.
6782 2005-09-10 Richard Henderson <rth@redhat.com>
6785 * dbxout.c (dbxout_expand_expr): New.
6786 (dbxout_symbol): Use it.
6788 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
6790 * arm.c (arm_gen_rotated_half_load): Delete.
6791 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6792 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6793 (thumb_set_return_address): Likewise.
6794 (thumb_load_double_from_address): Use adjust_address.
6795 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6796 (extendhsisi2_mem, movhi_bytes): Use change_address.
6797 (movhi): Use widen_memory_access.
6798 (reload_out_df): Use replace_equiv_address.
6799 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6801 2005-09-09 Richard Henderson <rth@redhat.com>
6804 * dbxout.c: Include expr.h.
6805 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6806 (dbxout_symbol): Handle DECL_VALUE_EXPR.
6807 * Makefile.in (dbxout.o): Add EXPR_H.
6809 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
6811 PR tree-optimization/23509
6812 * tree-cfg.c (replace_uses_by): Use replace_exp.
6813 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6814 pointers have name_mem_tag or type_mem_tag set.
6816 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6818 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6819 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6820 of wrongly accessing operands.
6822 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6824 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6825 * tree-chrec.c: Include tree-scalar-evolution.h.
6826 (chrec_convert): Instantiate the base and step before calling
6827 scev_probably_wraps_p that would fail on parametric evolutions.
6828 Collect all the fails into a single section failed_to_convert,
6829 print a diagnostic, and return chrec_dont_know instead of calling
6831 * tree-scalar-evolution.c (loop_closed_phi_def): New.
6832 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6834 (scev_const_prop): Don't replace the definition of a loop closed ssa
6835 phi node by itself, or by another loop closed ssa phi node.
6836 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6837 that base and step are defined.
6839 2005-09-09 Richard Guenther <rguenther@suse.de>
6842 * fold-const.c (fold_ternary): Check truth_value_p before
6843 calling invert_truthvalue.
6845 2005-09-09 Nick Clifton <nickc@redhat.com>
6847 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6848 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6849 dimension of these arrays.
6850 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6852 * longlong.h: Only provide a prototype for the __clz_tab[] array
6853 if this header has not been included from libgcc2.h.
6854 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6856 Provide prototypes for exported functions.
6857 Use the __clz_tab[] and __popcount_tab[] arrays provided by
6860 2005-09-08 Josh Conner <jconner@apple.com>
6864 * expr.c (expand_expr_addr_expr_1): Don't invoke
6865 expand_simple_binop for EXPAND_INITIALIZER.
6867 2005-09-08 Richard Henderson <rth@redhat.com>
6870 * toplev.c (wrapup_global_declaration_1): Split out ...
6871 (wrapup_global_declaration_2): ... from ...
6872 (wrapup_global_declarations): ... here. Return bool.
6873 (check_global_declaration_1): Split out ...
6874 (check_global_declarations): from here.
6875 (emit_debug_global_declarations): New.
6876 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6877 check_global_declaration_1, emit_debug_global_declarations): Declare.
6878 * c-decl.c (c_write_global_declarations_1): Don't create a vector
6879 of decls. Call wrapup_global_declaration_1,
6880 wrapup_global_declaration_2, check_global_declaration_1 directly.
6881 (c_write_global_declarations_2): New.
6883 (c_write_global_declarations): Call c_write_global_declarations_2.
6884 * langhooks.c (write_global_declarations): Call
6885 emit_debug_global_declarations.
6887 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6888 remove decls that have DECL_RTL_SET_P.
6889 * passes.c (rest_of_decl_compilation): Invoke
6890 cgraph_varpool_finalize_decl for all but functions.
6892 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
6894 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6895 the result of a conversion if the new min and max cannot be compared.
6897 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
6899 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6900 (override_options): Setting s390_sr_alias_set removed.
6901 (save_fpr, save_gprs): Set alias set to vararg or frame.
6902 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6903 s390_sr_alias_set with get_frame_alias_set ().
6904 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6905 get_varargs_alias_set ().
6907 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6911 * c-parser.c (c_parser_objc_method_definition): If the next
6912 token is not "{", error out and don't start the function.
6914 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6916 * tree-vrp.c (extract_range_from_expr): Move the check for non
6917 nullness after the check for gimple invariant.
6919 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6921 * tree.c (host_integerp, tree_low_cst): Correct function comment.
6923 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6926 * config/m32r.md (movmemsi_internal): Canonicalize order of
6927 operands in PLUS component of template.
6929 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
6931 * reload1.c (fixup_eh_region_note): Remove assertion.
6932 (fixup_abnormal_edges): Reverted removal of call to
6933 find_many_sub_basic_blocks made on 2005-08-31.
6935 2005-09-07 Richard Henderson <rth@redhat.com>
6937 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6938 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6939 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6940 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6941 rearrange for better packing.
6942 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6943 (lookup_cfa_1): Remove inline marker.
6944 (cfa_equal_p): Split out of ...
6945 (def_cfa_1): ... here. Use INVALID_REGNUM.
6946 (build_cfa_loc): Handle !cfa->indirect.
6947 (frame_pointer_cfa_offset): New.
6948 (dbx_reg_number): Assert register elimination performed; do
6949 leaf register remapping.
6950 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6951 (eliminate_reg_to_offset): New.
6952 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
6953 for verifiably local stack frame addresses; re-base to CFA.
6954 (mem_loc_descriptor): Remove can_use_fbreg argument.
6955 (concat_loc_descriptor, loc_descriptor): Likewise.
6956 (containing_function_has_frame_base): Remove.
6957 (rtl_for_decl_location): Don't do register elimination or
6958 leaf register remapping here.
6959 (secname_for_decl): Split out from ..
6960 (add_location_or_const_value_attribute): ... here.
6961 (convert_cfa_to_loc_list): New.
6962 (compute_frame_pointer_to_cfa_displacement): New.
6963 (gen_subprogram_die): Use them.
6964 * tree.h (frame_base_decl): Remove.
6965 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6966 (prologue_stack_adjust): Remove.
6967 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6968 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6969 (set_frame_base_location): Remove.
6970 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6971 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6972 (vt_add_function_parameters): Don't eliminate_regs.
6973 (vt_initialize): Don't create frame_base_decl.
6975 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6977 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6978 version of GNU binutils for 4.x and later.
6980 2005-09-06 Mark Mitchell <mark@codesourcery.com>
6982 * ggc-page.c (ggc_push_context): Remove.
6983 (ggc_pop_context): Likewise.
6984 * ggc.h (ggc_push_context): Remove.
6985 (ggc_pop_context): Likewise.
6987 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6990 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6991 returning from an interrupt handler.
6993 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6996 * config/arc/arc.c (output_shift): Add check for loop count when
6999 2005-09-06 Steven Bosscher <stevenb@suse.de>
7001 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
7003 (abs_replacement): Likewise.
7004 (pass_phiopt): Remove TODO_update_ssa.
7006 2005-09-06 Jakub Jelinek <jakub@redhat.com>
7009 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
7010 if "return with no value, in function returning non-void" warning
7012 * tree-cfg.c (execute_warn_function_return): Don't look at
7013 RETURN_EXPRs with TREE_NO_WARNING set.
7016 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
7017 for internal functions doesn't use registers used by global registers
7018 variables. Use fewer register parameters if there are global register
7021 2005-09-06 Olivier Hainque <hainque@adacore.com>
7022 Eric Botcazou <ebotcazou@adacore.com>
7025 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
7026 when we would be extracting outside its bit span (bitpos+bitsize
7027 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
7028 Ada unchecked conversions.
7030 2005-09-06 Steven Bosscher <stevenb@suse.de>
7032 * tree-ssa-pre.c (try_look_through_load): New function.
7033 (compute_avail): Use it to try to look through loads for some
7034 more useful expressions.
7036 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
7038 * simplify-rtx.c (simplify_binary_operation_1): Correct the
7039 condition for detecting cases like (a&a) and (a^a).
7041 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
7043 * common.opt: Add option ftree-vect-loop-version.
7044 * params.def: Add --param vect-max-version-checks.
7045 * doc/invoke.texi: Document ftree-vect-loop-version and
7046 --param vect-max-version-checks.
7047 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
7048 may_misalign_stmts and defines for accessors.
7049 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
7050 LOOP_VINFO_MAY_MISALIGN_STMTS.
7051 (destroy_loop_vec_info): VEC_free for
7052 LOOP_VINFO_MAY_MISALIGN_STMTS.
7053 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7054 Update documentation.
7055 (vect_update_misalignment_for_peel): New.
7056 (vect_enhance_data_refs_alignment): Update to choose loop
7057 peeling or loop versioning if appropriate for the (potentially)
7058 unaligned data references in the loop.
7059 (vect_analyze_data_refs_alignment): Remove call to
7060 vect_enhance_data_refs_alignment so the checks can be done
7062 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
7063 and move up call to vect_analyze_data_refs_alignment.
7064 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
7065 (vect_transform_loop): Add call to loop_version.
7067 2005-09-06 Jakub Jelinek <jakub@redhat.com>
7069 PR rtl-optimization/23098
7070 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
7071 * simplify-rtx.c (constant_pool_reference_p): New function.
7072 * rtl.h (constant_pool_reference_p): New prototype.
7073 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
7074 constant_pool_reference_p in condition and
7075 avoid_constant_pool_reference in preparation statements.
7077 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
7079 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
7080 STRICT_LOW_PART SETs.
7082 2005-09-06 Alan Modra <amodra@bigpond.net.au>
7085 * except.c (sjlj_emit_function_enter): Find the function begin
7086 note even when it's not in first basic block.
7088 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
7090 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
7091 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
7092 * aclocal.m4: Regenerate.
7094 2005-09-05 DJ Delorie <dj@redhat.com>
7096 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
7099 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
7101 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
7102 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
7103 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
7104 Follow spelling conventions.
7105 * doc/invoke.texi: Follow spelling conventions.
7107 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
7109 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
7110 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
7111 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
7113 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
7116 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
7117 (output_stack_adjust): Use gen_tmp_stack_mem.
7118 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
7119 (sh_set_return_address, sh_allocate_initial_value): Likewise.
7120 (sh_get_pr_initial_val): Likewise.
7121 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
7122 (sh_initialize_trampoline): Likewise. Also use adjust_address.
7123 * sh.md (divsi_inv_m0): Use gen_const_mem.
7124 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
7125 (movdf_i4+1): Use gen_tmp_stack_mem.
7126 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
7127 (fpu_switch+2): Likewise.
7128 (movv4sf_i, movv16sf_i): Use adjust_address.
7129 (symGOT_load): Set MEM_NOTRAP_P bit.
7131 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7134 * pa.c (emit_move_sequence): Fix typo in last change.
7136 2005-09-03 Jakub Jelinek <jakub@redhat.com>
7138 PR rtl-optimization/23454
7139 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
7142 2005-09-03 Richard Henderson <rth@redhat.com>
7143 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7146 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
7149 2005-09-02 Nicolas Pitre <nico@cam.org>
7151 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
7152 to bit_count to 32 bits.
7154 2005-08-31 Mark Mitchell <mark@codesourcery.com>
7157 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
7158 generating synthetic loads from volatile lvalues.
7160 005-09-02 Nick Clifton <nickc@redhat.com>
7162 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
7163 __ctzhi2, __clzhi2): New functions.
7165 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
7168 * tree-nested.c (struct var_map_elt): Mark with GTY.
7169 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
7171 (lookup_field_for_decl): Allocate new element in GC memory.
7172 (lookup_tramp_for_decl): Likewise.
7173 (convert_nl_goto_reference): Likewise
7174 (create_nesting_tree): Allocate info in GC memory. Likewise for
7176 (free_nesting_tree): Free with ggc_free instead of free.
7177 (root): New static variable.
7178 (lower_nested_functions): Remove root as local variable. And zero out
7179 root at the end of the function.
7181 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
7183 PR rtl-optimization/20365
7184 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
7185 to short. New member ix.
7186 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
7187 (simplify_plus_minus): Initialize ix members before calling qsort.
7189 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
7191 PR tree-optimization/23626
7192 * tree-cfg.c (replace_uses_by): Clean up eh info.
7194 2005-09-01 DJ Delorie <dj@redhat.com>
7196 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
7199 2005-09-01 David Edelsohn <edelsohn@gnu.org>
7201 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
7202 (rs6000_split_multireg_move): Use replace_equiv_address instead of
7205 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
7207 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
7208 do not issue warning for a variable definition following
7211 2005-09-01 Richard Henderson <rth@redhat.com>
7214 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
7215 conversion to CONST_VECTOR.
7217 2005-09-01 Richard Henderson <rth@redhat.com>
7220 * reload1.c (reload_as_needed): Check !CALL_P before calling
7221 fixup_eh_region_note.
7222 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
7224 2005-09-01 DJ Delorie <dj@redhat.com>
7226 * varasm.c (output_constant): Let the target resolve
7227 conversions of addresses to non-default pointer sizes.
7229 2005-09-01 Nicolas Pitre <nico@cam.org>
7231 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
7232 to alow matching ARM pre-indexed addressing mode.
7233 (arm_override_options): Remove now irrelevant comment.
7235 2005-09-01 Phil Edwards <phil@codesourcery.com>
7237 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
7238 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
7239 * config/i386/vxworks.h: Likewise.
7240 * config/i386/t-vxworksae: New file, for VxWorks AE.
7241 * config/i386/vxworksae.h: Likewise.
7243 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
7245 PR tree-optimization/23410
7246 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
7247 sequence is not wrapping during the first step.
7249 2005-09-01 Jakub Jelinek <jakub@redhat.com>
7252 * dwarf2out.c (base_type_die): Compare char_type_node with
7253 TYPE_MAIN_VARIANT (type), not type.
7255 2005-09-01 Richard Guenther <rguenther@suse.de>
7257 PR tree-optimization/15366
7258 * common.opt: Add -finline-functions-called-once.
7259 Put -fearly-inlining in alphabetically ordered place.
7260 * doc/invoke.texi: Document new option.
7261 * ipa-inline.c (cgraph_decide_inlining): Honour
7262 flag_inline_functions_called_once.
7264 2005-09-01 Jakub Jelinek <jakub@redhat.com>
7266 PR rtl-optimization/23478
7267 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
7268 (alloc_qty): Initialize it.
7269 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
7270 (combine_regs): Combine also n_throwing_calls_crossed fields.
7271 (find_free_reg): Don't attempt to caller-save pseudos crossing
7272 calls that might throw.
7273 * global.c (struct allocno): Add throwing_calls_crossed field.
7274 (global_alloc): Revert 2005-08-22 change. Initialize
7275 throwing_calls_crossed.
7276 (find_reg): Don't attempt to caller-save pseudos crossing calls that
7279 2005-09-01 Alan Modra <amodra@bigpond.net.au>
7282 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
7283 (mask64_operand): Reinstate code prior to 2005-06-11 change.
7284 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
7285 (and64_2_operand): Tweak to use predicate.
7286 (and_operand): Adjust for mask_operand changes.
7287 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
7288 (print_operand): Likewise.
7289 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
7290 (mask64_1or2_operand): Delete.
7291 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
7292 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
7293 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
7294 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
7295 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
7296 (rotldi3_internal4): Likewise.
7297 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
7298 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
7299 (ashldi3_internal7): Likewise.
7300 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
7301 (ashldi3_internal, ashldi3_internal9 split): Likewise.
7302 (anddi3 split): Don't match mask64_operand.
7303 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
7304 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
7305 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
7306 't' splitter predicate.
7307 (movdi_internal64 + 2): Revert 2005-06-11 change.
7309 2005-08-31 DJ Delorie <dj@redhat.com>
7311 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
7312 (m32c_asm_integer): Add support for 32 bit pointers.
7314 2005-08-31 Richard Henderson <rth@redhat.com>
7316 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
7317 component-like references for setting MEM_NOTRAP_P.
7319 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
7320 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
7322 2005-08-31 Richard Henderson <rth@redhat.com>
7324 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
7325 into a pseudo before applying gen_lowpart.
7327 2005-08-31 Geoffrey Keating <geoffk@apple.com>
7329 * doc/install.texi (Specific): Update cctools version required
7330 for full functionality.
7331 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
7332 linkers as -macosx_version_min.
7334 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
7337 * sh.c (print_operand, %R and %S): Add handling of floating point
7338 registers, memory, constants and invalid operands.
7340 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
7342 * ipa-pure-const.c: Change dump name.
7344 2005-08-31 Uros Bizjak <uros@kss-loka.si>
7347 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
7348 to "reg_or_0_operand".
7349 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
7351 2005-08-31 Dale Johannesen <dalej@apple.com>
7353 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
7354 loops that count down.
7356 2005-08-31 Richard Henderson <rth@redhat.com>
7359 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
7360 (fixup_eh_region_note): New.
7361 (reload_as_needed): Call it.
7362 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
7363 don't call find_many_sub_basic_blocks; call verify_flow_info.
7364 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
7365 (keep_stack_depressed): Likewise.
7366 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
7368 2005-08-31 Richard Henderson <rth@redhat.com>
7370 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
7373 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
7375 * expr.c (expand_expr_real_1): Compare size of address
7376 mode to target's address mode size in deciding expansion of
7377 the constant address.
7379 2005-08-31 Richard Guenther <rguenther@suse.de>
7382 * expr.c (all_zeros_p): New function.
7383 (expand_expr_real_1): Handle the case of an all-zero
7384 non-addressable constructor separately.
7386 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
7388 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
7389 arguments, adjust all callers.
7390 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
7392 2005-08-30 Richard Henderson <rth@redhat.com>
7395 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
7396 whenever the mode sizes match.
7398 2005-08-31 Alan Modra <amodra@bigpond.net.au>
7400 * calls.c (load_register_parameters): Fix comment typo.
7401 * expr.c (emit_push_insn): Comment formatting.
7403 2005-08-30 Ian Lance Taylor <ian@airs.com>
7405 * config/i386/x-cygwin (host-cygwin): Change dependency from
7406 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
7408 2005-08-29 Geoffrey Keating <geoffk@apple.com>
7410 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
7413 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7416 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
7417 call to ggc_collect.
7419 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
7422 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
7423 beginning. Remove $(INCLUDES) from all the rules, if following
7424 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
7426 2005-08-29 Jakub Jelinek <jakub@redhat.com>
7429 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
7430 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
7431 not constant, but maxlen is, don't set len to maxlen, rather
7432 set maxlen to len if len is a constant.
7434 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
7436 PR tree-optimization/23475
7437 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
7440 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
7442 Fix PR middle-end/22455
7444 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
7445 Checksum only the parts of the tree that exist for the tree code.
7447 2005-08-28 Dale Johannesen <dalej@apple.com>
7449 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
7451 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
7453 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
7455 2005-08-28 Richard Henderson <rth@redhat.com>
7457 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
7458 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
7461 2005-08-28 Jakub Jelinek <jakub@redhat.com>
7464 * builtins.c (get_memory_rtx): Don't strip nops
7465 in between COMPONENT_REFs.
7467 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
7470 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
7472 (gimplify_modify_expr): Check for zero sized types and gimplify the
7473 rhs and lhs as statements.
7475 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
7478 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7479 state for return address column of signal frames.
7481 2005-08-27 David Edelsohn <edelsohn@gnu.org>
7484 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7485 bytes >= 2 not bytes == 2.
7486 (expand_block_move): Same.
7488 2005-08-27 Richard Guenther <rguenther@suse.de>
7491 * config/i386/sse.md (sse2_movsd): Add missing closing
7494 2005-08-27 Paul Brook <paul@codesourcery.com>
7496 * genrecog.c (enum decision_type): Add DT_num_insns.
7497 (struct decision_test): Add u.num_insns.
7498 (add_to_sequence): Add DT_num_insns test.
7499 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7500 (write_cond, debug_decision_2): Ditto.
7501 (change_state): Assume peep2_next_insn never fails.
7502 Remove "afterward" argument.
7503 (write afterward, write_tree): Update to match.
7504 * recog.c (peep2_current_count): New variable.
7505 (peep2_next_insn): Check it.
7506 (peephole2_optimize): Set peep2_current_count.
7507 * recog.h (peep2_current_count): Declare.
7509 2005-08-26 Josh Conner <jconner@apple.com>
7512 * ipa-pure-const.c (check_tree): Check for volatile-ness
7513 when considering a dereference.
7515 2005-08-27 Jakub Jelinek <jakub@redhat.com>
7517 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7519 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7521 PR rtl-optimization/23561
7522 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
7523 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7524 at most LEN bytes long memory fits into the field.
7525 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7526 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7527 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7529 2005-08-26 Richard Henderson <rth@redhat.com>
7532 * loop.c (biased_biv_may_wrap_p): New.
7533 (maybe_eliminate_biv_1): Use it to suppress non-equality
7534 comparison transformations. Delete disabled code.
7536 2005-08-26 Ian Lance Taylor <ian@airs.com>
7538 * combine.c (make_extraction): Avoid reference outside object.
7540 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
7542 * stor-layout.c (finalize_type_size): Restore behaviour for
7543 non-aggregate types to the status quo ante of the patch for
7544 pr 23467. Document why it matters.
7546 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7549 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7550 array by one element, initialize the BT_LAST element with NULL.
7552 2005-08-26 David Edelsohn <edelsohn@gnu.org>
7554 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7555 optimizing for size.
7557 (compare_plus_eqsi): Same.
7558 (plus_eqsi_compare): Same.
7559 (neg_eq0<mode>): Same.
7560 (neg_eq<mode>): Same.
7562 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7565 2005-08-26 Nick Clifton <nickc@redhat.com>
7567 * config/v850/v850.c (ep_memory_operand): Return FALSE if
7568 TARGET_EP is not defined.
7569 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7570 TARGET_EP is enabled.
7571 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7572 * config/v850/v850.md (save_all_interrupt): Only use the EP
7573 register if TARGET_EP is defined.
7574 (restore_all_interrupt): Likewise.
7575 * config/v850/lib1funcs.asm: Update functions so that the EP
7576 register is only used if __EP__ is defined.
7578 2005-08-26 David Ung <davidu@mips.com>
7580 * config/mips/mips.c (mips_expand_prologue): Handle case when
7581 generating for MIPS16 and the outgoing argument area is more than
7582 SMALL_OPERAND. Use the frame pointer as temporary to generate the
7585 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
7587 * config/crx/crx.md: Make doloop_end pattern usage controllable
7588 via mloop-nesting=<max-nesting> command line switch. Make sure
7589 the combiner cannot use doloop_end_<mode> in an illegal way.
7590 * config/crx/crx.c: Use regs up to r6 for argument passing.
7591 Refine crx_address_cost (non cst4 displacements are expensive).
7592 * config/crx/crx.opt: Add switch for mloop-nesting=.
7594 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
7596 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7597 (UNSPEC_MVST): New constant.
7599 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
7601 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7602 Reject operands containing eliminable registers.
7603 * testsuite/gcc.dg/20050825-1.c: New testcase.
7605 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7606 Jan Hubicka <jh@suse.cz>
7608 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7610 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7612 PR tree-optimization/23546
7613 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7616 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
7618 * params.def (PARAM_MIN_SPEC_PROB): New.
7619 * sched-rgn.c (MIN_PROBABILITY): Delete.
7620 (compute_trg_info): Convert to PARAM_VALUE.
7621 * doc/invoke.texi (param): Document min-spec-prob.
7623 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
7625 * config/darwin.h: define __PIC__
7626 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7627 TARGET_OS_CPP_BUILTINS macro.
7629 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7631 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7634 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7636 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7638 * cfghooks.c (duplicate_block): Added position where to place
7639 new block as argument.
7640 * cfghooks.h (duplicate_block): Declaration changed.
7641 * cfglayout.c (copy_bbs): Add argument after. Pass it to
7643 * cfglayout.h (copy_bbs): Declaration changed.
7644 * cfgloop.h (loop_version): Declaration changed.
7645 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7646 position to copy_bbs.
7647 (loop_version): Pass position to duplicate_loop_to_header_edge.
7648 Add place_after argument and position new blocks according to
7650 * modulo-sched.c (sms_schedule): Pass place_after argument
7652 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7653 * tree-cfg.c (split_edge_bb_loc): New function.
7654 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7655 to determine position of new blocks.
7656 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7658 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7659 argument to duplicate_block.
7660 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7661 Pass position to copy_bbs.
7663 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7665 * fold-const.c (ptr_difference_const): Use
7666 cst_and_fits_in_hwi instead of host_integerp.
7668 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7670 * config/darwin.c (gen_pic_offset): New.
7671 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
7674 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
7676 PR tree-optimization/23486
7677 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7679 2005-08-23 Phil Edwards <phil@codesourcery.com>
7681 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
7682 remove use_collect2.
7683 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
7685 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
7686 configuration files to override the default value.
7688 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
7689 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7690 * config/vx-common.h: New file, split out from...
7691 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
7692 * config/vxworksae.h: New file, for VxWorks AE.
7693 * config/vxworks.opt: New file.
7694 * config/vxlib.c: Update for VxWorks 6.
7696 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
7697 other MULTILIB_* variables appropriately.
7698 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
7699 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
7700 * config/rs6000/vxworks.h: Update for VxWorks 6.
7701 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
7703 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
7706 * config/darwin.c (machopic_select_section): Remove the hack to
7707 mark "::operator new" and "::operator delete" for coalescing
7708 even though they are not weak.
7710 2005-08-24 Alan Modra <amodra@bigpond.net.au>
7712 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7713 * configure: Regenerate.
7715 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7718 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7720 * convert.c (convert_to_integer, convert_to_vector): Likewise.
7721 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7724 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7726 * config/rs6000/predicates.md (equality_operator): New.
7727 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7728 comparison with a large constant.
7730 2005-08-23 Mark Mitchell <mark@codesourcery.com>
7732 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7734 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
7736 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7737 registers is even, and we have a hardware double precision fp,
7739 (sh_gimplify_va_arg_expr): For floating point arguments, consider
7740 size of current argument when checking if argument was passed in
7743 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7746 * stor-layout.c (finalize_type_size): Dont override
7747 existing alignment with a smaller alignment from the mode.
7749 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7751 * lambda-code.c (lambda_vector_lexico_pos): Moved...
7752 * lambda.h (lambda_vector_lexico_pos): ... here.
7753 * tree-data-ref.c (build_classic_dist_vector): Return false when
7754 the distance vector is lexicographically negative.
7756 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7758 PR tree-optimization/23511
7759 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7760 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7762 2005-08-23 Jakub Jelinek <jakub@redhat.com>
7764 PR tree-optimization/22043
7765 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7766 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7767 If ALLOW_FLEXARR, handle types ending with flexible array member.
7768 Pass false as second argument to recursive count_type_elements calls.
7769 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7770 argument to count_type_elements call.
7771 * tree-sra.c (decide_block_copy): Likewise.
7772 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7773 for a constant-sized object, set cleared as well. Pass true as
7774 second argument to count_type_elements call.
7776 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7779 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7780 from legitimate_small_data_p, and make global. Update use.
7781 Remove forward declaration.
7782 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7784 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7786 2005-08-23 David Edelsohn <edelsohn@gnu.org>
7788 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7789 of scratch intermediates.
7790 (eq<mode>_compare): Same.
7791 (neg_eq0<mode>): New.
7792 (neg_eq<mode>): Convert to define_insn_and_split.
7794 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7797 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7798 stdarg functions, set/clear the fp marker even when no variable
7800 * config/rs6000/sysv4.opt (mprototype): Describe.
7802 2005-08-22 Jakub Jelinek <jakub@redhat.com>
7804 PR rtl-optimization/23478
7805 * regs.h (reg_info): Add throw_calls_crossed.
7806 (REG_N_THROWING_CALLS_CROSSED): Define.
7807 * flow.c (allocate_reg_life_data): Initialize
7808 REG_N_THROWING_CALLS_CROSSED.
7809 (propagate_one_insn, attempt_auto_inc): Update
7810 REG_N_THROWING_CALLS_CROSSED.
7811 * global.c (global_alloc): Don't allocate pseudos across
7812 calls that may throw.
7814 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
7817 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7818 value is inbetween the range if we did not find an exact match.
7820 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
7822 * doc/invoke.texi (Option Summary): Add ms1 options.
7823 * doc/extend.texi: Document interrupt handler attribute for ms1.
7824 * doc/md.texi: Document ms1 constraints.
7825 * config.gcc: Add ms1-*-elf.
7826 * config/ms1/ms1.h: New.
7827 * config/ms1/ms1.c: New.
7828 * config/ms1/ms1.md: New.
7829 * config/ms1/ms1-protos.h: New.
7830 * config/ms1/ABI.txt: New.
7831 * config/ms1/crti.asm: New.
7832 * config/ms1/crtn.asm: New.
7833 * config/ms1/lib2extra-funcs.c: New.
7834 * config/ms1/t-ms1: New.
7835 * config/ms1/ms1.opt: New.
7837 2005-08-22 Ira Rosen <irar@il.ibm.com>
7839 * config/rs6000/altivec.md (xorv4sf3): New.
7840 (negv4sf2, neg<mode>2): Likewise.
7842 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
7845 * config/ia64/ia64.md (divsi3): Check divide by zero.
7846 (udivsi3): Likewise.
7848 (udivdi3): Likewise.
7850 2005-08-21 Jakub Jelinek <jakub@redhat.com>
7852 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7853 up to elem_bitsize bits, not max_bitsize.
7855 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7857 PR tree-optimization/23433
7858 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7859 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7861 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7863 PR tree-optimization/23434
7864 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7865 the iteration bound is not an INTEGER_CST.
7867 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
7869 * tree-vect-transform.c (get_initial_def_for_reduction): Set
7870 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7871 NULL if need_epilog_adjust is false.
7872 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7873 Case 3 always peels first itration, not just for PLUS case, and no need
7874 to use scalar_initial_def here. Create an epilog adjustment only if
7875 scalar_initial_def is not NULL.
7877 (vectorizable_reduction): Remove assert.
7879 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
7882 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7883 (__moddi3): Likewise.
7884 (__udivdi3): Likewise.
7885 (__umoddi3): Likewise.
7886 (__divsi3): Likewise.
7887 (__modsi3): Likewise.
7888 (__udivsi3): Likewise.
7889 (__umodsi3): Likewise.
7891 2005-08-20 Jakub Jelinek <jakub@redhat.com>
7893 * tree-pass.h (TDF_GRAPH): Define.
7894 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7895 * passes.c (finish_optimization_passes): Only call
7896 finish_graph_dump_file if TDF_GRAPH is set.
7897 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7898 NULL. Set TDF_GRAPH bit.
7899 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7901 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
7903 * arm.h (arm_stack_offsets): Add locals_base field.
7904 * arm.c (arm_get_frame_offsets): Compute it.
7905 (thumb_compute_initial_elimination offset): Make the Thumb frame
7906 pointer point to the base of the local variables.
7907 (thumb_expand_prologue): Update accordingly.
7908 (thumb_expand_epilogue): Likewise.
7910 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
7911 mode of clobbered scratch to DImode. Handle a case that's known to
7914 2005-08-19 David Edelsohn <edelsohn@gnu.org>
7916 * config/rs6000/rs6000.md (gt0<mode>): Delete.
7917 (gt0<mode>_compare): Delete.
7918 (neg_gt0<mode>): Delete.
7920 2005-08-19 Eric Christopher <echristo@apple.com>
7922 * optabs.h: Change CTI_ to COI_.
7925 2005-08-19 James E Wilson <wilson@specifix.com>
7927 * builtins.c (expand_builtin_return_addr): Set
7928 current_function_accesses_prior_frames when count != 0. Use
7929 frame_pointer_rtx when count == 0.
7930 * function.h (struct function): Add accesses_prior_frames field.
7931 (current_function_accesses_prior_frames): Define.
7932 * reload1.c (init_elim_table): Check
7933 current_function_accesses_prior_frames.
7934 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7936 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7938 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7939 indicator. Return true if the flowgraph changed during
7942 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7945 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7946 conditional expression before testing its value.
7948 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7950 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7952 2005-08-19 Devang Patel <dpatel@apple.com>
7954 PR tree-optimization/23048
7955 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7956 third parameter. Check whether latch is dominated by exit
7958 (if_convertible_loop_p): Supply exit block itself to
7959 if_convertible_bb_p.
7961 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
7964 * arm.md (arm_load_pic_register): Change argument to the mask of
7965 saved registers. Call thumb_find_work_register if we need a
7966 scratch register on Thumb.
7967 (arm_expand_prologue): Pass empty register set to
7968 arm_load_pic_register.
7969 (thumb_expand_prologue): Pass live_regs_mask directly to
7970 arm_load_pic_register.
7971 * arm-protos.h (arm_load_pic_register): Update prototype.
7973 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
7975 * sh.c (find_sole_member): New function.
7976 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7977 if the record's alignment is larger than the size of its only member.
7979 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
7982 * arm.c (thumb_legitimize_reload_address): New function.
7983 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7984 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7986 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
7988 * config/crx/crx.c: Implement crx_decompose_address. Reject
7989 symbolic displacements since CRX register relative adressing
7990 mode can't handle unsigned 32-bit values as displacements.
7991 * config/crx/crx.h: Simplify definitions, remove redundant
7992 parenthesis and obsolete macros.
7993 * config/crx/crx.opt: Add new switch for debugging addresses.
7994 * config/crx/crx-protos.h: Add new declarations for above.
7996 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
7999 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
8002 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8004 * collect2.c (dup2): Delete.
8005 * configure.ac: Don't check for dup2.
8007 * config.in, configure: Regenerate.
8009 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
8011 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
8012 record with the type of its only member.
8014 2005-08-18 David Edelsohn <edelsohn@gnu.org>
8016 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
8017 define_insn_and_split.
8018 (plus_ltu<mode>_compare): Same.
8019 (gtu<mode>_compare): Same.
8020 (plus_gtu<mode>_compare): Same.
8022 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
8024 PR tree-optimization/22228
8025 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
8027 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
8028 are recorded in vect_vnames_to_rename for renaming.
8029 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
8030 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
8031 in vect_vnames_to_rename.
8032 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
8033 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
8035 2005-08-18 Jan Hubicka <jh@suse.cz>
8038 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
8039 info only for local statics, not for member variables.
8041 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8043 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
8045 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8047 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
8049 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
8052 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
8054 2005-08-17 James E Wilson <wilson@specifix.com>
8056 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8059 2005-08-17 David Edelsohn <edelsohn@gnu.org>
8061 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
8062 (leu<mode>_compare): Same.
8063 (plus_leu<mode>): Same.
8064 (neg_leu<mode>): Same.
8065 (and_neg_leu<mode): Same.
8066 (ltu<mode>_compare): Same.
8067 (plus_ltu<mode>): Same.
8069 (geu<mode>_compare): Same.
8070 (plus_geu<mode>): Same.
8071 (neg_geu<mode>): Same.
8072 (and_neg_geu<mode>): Same.
8073 (plus_gt<mode>): Same.
8074 (gtu<mode>_compare): Same.
8075 (plus_gtu<mode>): Same.
8077 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
8079 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
8080 Move call_table_data to end. Delete spurious .text.
8081 (callt_save_all_interrupt): Fix comment typo.
8083 2005-08-17 James E Wilson <wilson@specifix.com>
8084 Kevin Winchester <winchester@amirix.com>
8087 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
8089 2005-08-17 Uros Bizjak <uros@kss-loka.si>
8092 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
8093 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
8095 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
8097 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
8098 record with the type of its only member if the modes don't match.
8100 * varasm.c (decode_reg_name): Skip empty additional register names.
8102 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8104 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
8105 lsm_tmp_name_length): New.
8106 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
8107 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
8109 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
8110 Andreas Krebbel <krebbel1@de.ibm.com>
8112 * config.gcc: Added z9-109 switch.
8113 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
8114 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
8115 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
8116 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
8117 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
8118 for "z9_109" cpu attribute.
8119 * config/s390/s390.c (z9_109_cost): New processor cost structure.
8120 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
8121 (s390_handle_arch_option): Added z9-109 switch.
8122 (override_options): Set respective cost function for z9-109.
8123 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
8124 (legitimate_reload_constant_p): Accept extended immediates.
8125 (print_operand): Three new output modifiers added: k, m and o.
8126 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
8127 (s390_output_mi_thunk): Use extended immediate when possible.
8128 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
8129 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
8130 (CONSTRAINT_LEN): Added length of O constraint.
8131 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
8132 * config/s390/s390.md ("cpu"): New value z9_109 added.
8133 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
8134 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
8135 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
8136 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
8137 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
8138 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
8139 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
8140 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
8141 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
8142 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8143 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
8144 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
8145 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
8146 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
8147 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
8149 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
8150 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
8151 insns for TARGET_EXTIMM.
8153 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
8155 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
8157 2005-08-17 Nick Clifton <nickc@redhat.com>
8159 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
8160 Call default_encode_section_info.
8162 2005-08-17 Steven Bosscher <stevenb@suse.de>
8164 PR tree-optimization/21574
8165 * tree-ssa-ccp.c (likely_value): If the right hand side is a
8166 constant, return CONSTANT.
8167 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
8168 (ccp_fold, visit_assignment): Likewise.
8169 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
8171 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
8173 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
8174 fold_buildN instead of buildN then fold_initializer or fold.
8175 (build_unary_op): Likewise.
8176 (build_binary_op): Likewise.
8177 * fold-const.c (fold_initializer): Remove.
8178 (fold_build1_initializer): New function.
8179 (fold_build2_initializer): New function.
8180 (fold_build3_initializer): New function.
8181 * tree.h (fold_initializer): Remove.
8182 (fold_build1_initializer): New function.
8183 (fold_build2_initializer): New function.
8184 (fold_build3_initializer): New function.
8186 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
8188 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
8189 (try_move_mult_to_index): Call fold_build2 instead of build2.
8190 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
8191 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
8192 fold_binary_to_constant.
8193 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
8195 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
8196 check if A == gcd (A, B). Remove TYPE argument.
8197 (analyze_offset) Use fold_build2 instead of fold (build.
8198 (create_data_ref): Likewise.
8199 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
8200 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
8203 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
8205 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
8206 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
8208 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
8211 * gimplify.c (zero_sized_type): New function.
8212 (gimplify_modify_expr_rhs): If we have a zero sized type,
8213 replace the statement with an empty statement.
8215 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
8217 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
8220 2005-08-16 Ian Lance Taylor <ian@airs.com>
8222 * doc/tm.texi (Label Output): Correct typo.
8224 2005-08-16 Steven Bosscher <stevenb@suse.de>
8227 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
8228 force_operand will work later on using have_insn_for.
8230 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8232 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
8234 2005-08-16 Ian Lance Taylor <ian@airs.com>
8237 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
8238 vector type, don't try to construct it element by element. Add an
8239 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
8241 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8243 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
8245 2005-08-16 Geoffrey Keating <geoffk@apple.com>
8247 * doc/invoke.texi (Precompiled Headers): Document some more options
8248 which are known to be safe.
8250 2005-08-16 James E Wilson <wilson@specifix.com>
8252 PR tree-optimization/21105
8253 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8254 TREE_OVERFLOW check.
8256 2005-08-16 David Edelsohn <edelsohn@gnu.org>
8258 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
8259 (neg_ltu<mode>): Same.
8261 (neg_gtu<mode>): Same.
8263 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8265 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
8266 (fold_builtin_isdigit): Use fold_buildN.
8267 (build_function_call_expr): Likewise.
8268 * c-typeck.c (c_finish_loop): Likewise.
8270 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
8271 Richard Shann <rshann@superh.com>
8273 PR middle-end/20396:
8274 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
8276 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
8278 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
8280 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
8283 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
8284 arm_compure_save_reg0_reg12_mask to determine when the PIC register
8287 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8290 * fold-const.c (build_range_check): Disable optimization for function
8291 pointer expressions on targets that require function pointer
8294 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
8296 * simplify-rtx.c (simplify_const_relational_operation): When
8297 extracting arguments of a COMPARE, recompute the mode as well.
8299 2005-08-15 Ian Lance Taylor <ian@airs.com>
8301 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
8303 2005-08-15 DJ Delorie <dj@redhat.com>
8305 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
8307 (movsi_splittable): Allow, but split, moves to the stack.
8308 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
8311 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8313 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
8314 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
8315 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
8317 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
8318 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
8319 Delete HOST_PTR_PRINTF.
8321 * configure, config.in: Regenerate.
8323 2005-08-15 David Edelsohn <edelsohn@gnu.org>
8325 * config/rs6000/rs6000.md (QHSI): New mode macro.
8326 (wd): Extend mode attr for QImode and HImode
8327 (dbits): New mode attr.
8328 (zero_extend<mode>di2): Convert to mode macro.
8330 2005-08-15 Steve Ellcey <sje@cup.hp.com>
8333 * doc/invoke.texi (-mgnu-ld): Update description.
8336 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
8339 * Makefile.in (tree-chrec.o): Depends on real.h.
8340 * tree-chrec.c: Include real.h.
8341 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
8342 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
8343 * tree-scalar-evolution.c (add_to_evolution_1,
8344 interpret_rhs_modify_expr): Ditto.
8346 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
8349 * tree-data-ref.c (estimate_niter_from_size_of_data): When
8350 step is negative compute the estimation from init downwards to zero.
8352 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
8354 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
8356 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
8358 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
8360 (legitimate_reload_constant_p): Fix handling of lliXX operands.
8361 Accept double-word constants that can be split.
8362 * config/s390/s390.md ("movti"): Use 'P' constraint.
8363 ("*movdi_31", "*movdf_31"): Likewise.
8365 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
8367 Fix PR tree-optimization/22615
8369 * tree-ssa-structalias.c (solution_set_add): Handle
8370 first_vi_for_offset returning NULL.
8371 (do_da_constraint): Ditto.
8372 (do_sd_constraint): Ditto.
8373 (do_ds_constraint): Ditto
8374 (find_func_aliases): Ditto.
8375 (build_constraint_graph): RHS is allowed be ANYTHING.
8376 (first_vi_for_offset): Return NULL if we couldn't find anything at
8379 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
8381 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
8382 over memory as first operand.
8384 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
8387 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
8388 available for setting it.
8390 2005-08-14 Ira Rosen <irar@il.ibm.com>
8392 PR tree-optimization/23320
8393 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
8394 data-refs' types instead of base object nullness. Add check for
8395 pointer type data-refs before first location comparison. Remove
8398 2005-08-14 Andreas Schwab <schwab@suse.de>
8400 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
8402 2005-08-13 James E Wilson <wilson@specifix.com>
8404 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
8405 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
8406 -fstack-protector-all, --param ssp-buffer-size): Document.
8407 (-Wvariadic-macros): Alphabetize.
8408 (-fsched-stalled-insns-dep): Add missing 'f'.
8410 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
8413 2005-08-13 David Edelsohn <edelsohn@gnu.org>
8415 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
8416 or indirect address operand.
8417 (EXTRA_ADDRESS_CONSTRAINT): New.
8418 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
8420 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
8422 PR tree-optimization/22236
8423 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
8424 successors and predecessors.
8425 * tree-chrec.c (chrec_convert): Before converting, check that
8426 sequences don't wrap.
8427 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
8428 (analyze_array): Extern.
8429 (find_data_references_in_loop): Remove call to
8430 compute_estimated_nb_iterations.
8431 * tree-data-ref.h (analyze_array): Declared.
8432 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
8433 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
8434 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
8435 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
8437 * tree-ssa-loop-ivcanon.c: Fix documentation.
8438 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
8439 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
8440 (infer_loop_bounds_from_undefined): New.
8441 (estimate_numbers_of_iterations_loop): Use
8442 infer_loop_bounds_from_undefined.
8443 (used_in_pointer_arithmetic_p): New.
8444 (scev_probably_wraps_p): Pass an extra parameter. Call
8445 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
8446 (convert_step): Fix documentation.
8447 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
8448 Use initial_condition_in_loop_num and evolution_part_in_loop_num
8449 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
8450 scev_probably_wraps_p.
8452 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
8454 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
8455 (s390_register_info): Ignore clobbered_regs information for fixed
8456 registers, and only fixed registers.
8457 (s390_init_frame_layout): Remove redundant call.
8459 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
8461 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
8462 description of -Wold-style-casts.
8464 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8465 Jakub Jelinek <jakub@redhat.com>
8467 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8468 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
8469 * config/s390/s390.c (print_operand): New output modifier 'G' added.
8470 (get_thread_pointer): Renamed to s390_get_thread_pointer.
8471 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
8472 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
8473 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8474 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8475 ("stack_protect_set", "stack_protect_test"): New expanders.
8476 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8477 "stack_protect_testdi"): New insn definitions.
8479 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8481 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8483 2005-08-12 Paul Brook <paul@codesourcery.com>
8485 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8487 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8489 * config/s390/predicates.md (setmem_operand): New predicate.
8490 (shift_count_operand): Accept ANDs with special constants as
8492 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8493 with special constants.
8494 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8495 shift_count_operand with setmem_operand.
8497 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8499 * config/s390/s390.c (s390_extract_part, s390_single_part):
8501 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8502 (s390_output_mi_thunk): Don't use lg on 31 bit.
8503 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8504 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8506 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8508 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8509 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8510 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8511 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8512 with one of the new macros.
8514 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8516 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8517 Don't set save_return_addr_p.
8518 (s390_register_info): Make clobbered_regs not depending on
8521 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
8523 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8524 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8526 2005-08-11 James E. Wilson <wilson@specifix.com>
8528 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8530 2005-08-11 Jakub Jelinek <jakub@redhat.com>
8532 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8533 locations gathered by var-tracking in single entry loc_list
8534 over loc_descriptor_from_tree.
8536 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8537 pass it down to loc_descriptor.
8538 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8539 (containing_function_has_frame_base): Move earlier in the file.
8540 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8541 instead of always assuming fbreg can't be used.
8543 2005-08-11 David Edelsohn <edelsohn@gnu.org>
8545 * config/rs6000/altivec.md: Change constraint "m" to "Z".
8546 * config/rs6000/predicates.md (indexed_or_indirect_operand):
8547 Accept address wrapped in AND for Altivec.
8548 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8549 Strip AND wrapping offset address for Altivec.
8551 2005-08-11 Richard Henderson <rth@redhat.com>
8554 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8555 before using TYPE_IS_SIZETYPE.
8557 2005-08-11 Richard Henderson <rth@redhat.com>
8560 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8561 insn types not present on ev4.
8562 (alphaev5_insn_pipe): Similarly.
8564 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
8567 * arm.c (arm_override_options): If the user has selected callee-super-
8568 interworking, then enable normal interworking.
8570 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8572 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8575 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
8577 * doc/rtl.texi: Fix two typos.
8579 2005-08-11 Richard Guenther <rguenther@suse.de>
8582 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8583 cases where we call to/from functions returning void.
8585 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
8588 * tree.c (build_pointer_type_for_mode): Robustify.
8590 2005-08-10 James E Wilson <wilson@specifix.com>
8592 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8593 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8595 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8598 2005-08-10 Eric Christopher <echristo@apple.com>
8600 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8601 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8604 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
8607 * config/darwin.c (machopic_indirect_data_reference): Use a new register
8608 for the high part when generating dynamic-no-pic code.
8610 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
8612 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8613 (x86_64-*-linux*): Likewise.
8615 * config/i386/crtfastmath.c: New file.
8616 * config/i386/t-crtfm: Likewise.
8618 * config/i386/linux.h (ENDFILE_SPEC): New.
8619 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8621 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8624 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
8626 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8627 (vec_shl, vec_shr): Document new operations.
8628 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8630 2005-08-10 David Edelsohn <edelsohn@gnu.org>
8632 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8633 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8634 change predicate to indexed_or_indirect_address.
8636 2005-08-10 Richard Sandiford <richard@codesourcery.com>
8638 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8639 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8640 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8641 and __aeabi_uwrite8.
8642 * config/arm/unaligned-funcs.c: New file.
8643 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8645 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
8647 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8649 * cfglayout.c (pass_insn_locators_initialize): Add dump.
8650 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8652 * except.c (pass_convert_to_eh_region_ranges): Add dump.
8653 * final.c (pass_shorten_branches): Add dump.
8654 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8655 (pass_life): Rename dump.
8656 (rest_of_handle_flow2): Remove initial verify_flow_info.
8657 * function.c (pass_instantiate_virtual_regs): Add dump.
8658 * integrate.c (pass_initial_value_sets): Add dump.
8659 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8660 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8661 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8662 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8663 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8664 gate_rtl_unrool_and_peel_loops): New.
8665 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8666 rtl_doloop): Do not look at flags.
8667 * mode-switching.c (pass_mode_switching): Add dump.
8668 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8669 pass_split_before_regstack): Add dump.
8670 * regmove.c (pass_stack_adjustments): Add dump.
8671 * tree-optimize.c (pass_fixup_cfg): Add dump.
8673 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8676 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8677 deciding which instruction sequence to use.
8679 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
8681 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8682 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8684 2005-08-09 Richard Guenther <rguenther@suse.de>
8686 * c-common.c (builtin_function_2): Remove.
8687 (def_builtin_1): New function.
8688 (c_common_nodes_and_builtins): Use def_builtin_1 to
8689 build builtin functions.
8691 2005-08-09 Jie Zhang <jie.zhang@analog.com>
8693 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8694 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8695 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8698 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8700 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8701 fold_binary instead of fold_build2 since we don't care about the
8703 (loop_niter_by_eval): Likewise.
8704 (compare_trees): Likewise.
8705 (proved_non_wrapping_p): Likewise.
8707 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8711 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8712 if the if is really empty.
8714 2005-08-09 Steven Bosscher <stevenb@suse.de>
8716 PR tree-optimization/23234
8717 * tree-ssa-math-opts.c (place_reciprocal): New enum.
8718 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8719 argument of the new enum.
8720 (execute_cse_reciprocals): Add reciprocals for function arguments
8721 on the unique successor edge of the entry block. Update other calls
8722 to execute_cse_reciprocals_1.
8724 2005-08-08 Richard Henderson <rth@redhat.com>
8727 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8729 2005-08-08 Bob Wilson <bob.wilson@acm.org>
8731 * expr.c (write_complex_part): Return after handling MEM.
8733 2005-08-08 Josh Conner <jconner@apple.com>
8735 PR rtl-optimization/23241
8736 * combine.c (simplify_comparison): Fix error in determining
8737 whether to lift a subreg from comparison.
8739 2005-08-08 David Edelsohn <edelsohn@gnu.org>
8742 * config/rs6000/altivec.md (vec_init<mode>): New.
8743 (vec_set<mode>): New.
8744 (vec_extract<mode>): New.
8745 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8746 (rs6000_expand_vector_set): New.
8747 (rs6000_expand_vector_extract): New.
8748 (rs6000_legitimate_offset_address_p): Offset addresses are valid
8749 for Altivec modes before reload.
8750 (altivec_expand_vec_init_builtin): New.
8751 (get_element_number): New.
8752 (altivec_expand_vec_set_builtin): New.
8753 (altivec_expand_vec_ext_builtin): New.
8754 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8756 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8758 * config/rs6000/rs6000.h (rs6000_builtins): Add
8759 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8760 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8761 * config/rs6000/rs6000-protos.h: Declare new functions.
8763 2005-08-08 Jan Hubicka <jh@suse.cz>
8765 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8766 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8767 * i386.md (movdi*): Use pic_32bit_operand.
8768 * predicates.md (pic_32bit_operand): New.
8770 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
8773 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8775 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
8777 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8778 (test_for_singularity): Use fold_build2.
8780 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8782 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8784 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
8786 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8787 (COMMON_ASM_OP) Define.
8788 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8789 (ix86_encode_section_info): Likewise.
8790 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8791 SUBTARGET_ENCODE_SECTION_INFO.
8793 2005-08-06 Richard Henderson <rth@redhat.com>
8796 * tree-nested.c (convert_local_reference): Save and restore val_only
8797 around component_ref and friends. Clear walk_subtrees by default.
8799 2005-08-06 Peter O'Gorman <peter@pogma.com>
8802 * gcc.c (process_command): Check the argument to -b has a dash.
8803 * doc/invoke.texi: Update -b and -V docs.
8805 2005-08-06 James E Wilson <wilson@specifix.com>
8807 * config/mips/cross64.h, config/mips/t-cross64: Delete.
8809 2005-08-06 Michael Matz <matz@suse.de>
8811 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8812 member only if only one insn is associated with the value.
8814 2005-08-06 Nick Clifton <nickc@redhat.com>
8816 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8818 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8819 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8820 Check symbol flags instead of symbol name mangling.
8821 (xstormy16_asm_output_aligned_common): Likewise. Also
8822 simplify code since the bss100_section cass is the only case
8823 where the below100 code will be triggered.
8824 (xstormy16_encode_section_info): Encode below100 attribute
8825 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8827 (xstormy16_strip_name_encoding): Delete - this function is no
8829 (TARGET_STRIP_NAME_ENCODING): Undefine.
8830 * config/stormy16/stormy16-protos.h: Delete prototype for
8831 xstormy16_strip_name_encoding.
8833 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
8835 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8836 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8837 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8838 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8839 config/alpha/predicates.md, config/arc/arc.h,
8840 config/arm/arm.h, config/arm/ieee754-df.S,
8841 config/arm/ieee754-sf.S, config/bfin/bfin.c,
8842 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8843 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8844 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8845 config/m68hc11/m68hc11.h, config/mips/mips.c,
8846 config/mips/mips.h, config/mips/openbsd.h,
8847 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8848 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8849 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8850 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8851 config/sparc/linux.h, config/sparc/linux64.h,
8852 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8853 doc/extend.texi, doc/gcov.texi, doc/install.texi,
8854 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8855 typos. Follow spelling conventions.
8857 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
8860 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8861 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8862 specially. Check for side effects only for COND_EXPR.
8863 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8864 return with TREE_NO_WARNING.
8866 2005-08-06 Richard Sandiford <richard@codesourcery.com>
8868 PR rtl-optimization/23233
8869 * loop.c (combine_movables): Require the modes to be the same.
8870 (move_movables): Remove handling of cases where the replacement
8871 had a different mode to the original.
8873 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
8875 PR tree-optimization/23128
8876 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8877 subtraction wrap, and set TREE_OVERFLOW if they do.
8879 2005-08-05 Richard Henderson <rth@redhat.com>
8882 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8883 FORCED_LABEL labels.
8885 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
8888 * reload.c (find_reloads_subreg_address): Pass down TYPE
8889 unchanged. Change all callers except find_reloads_toplev.
8891 2005-08-05 Michael Matz <matz@suse.de>
8893 * genattrtab.c (current_alternative_string): Remove.
8894 (SIMPLIFY_ALTERNATIVE): Ditto.
8895 (attr_alt_bit_p): Ditto.
8896 (alternative_name): Make const char *.
8897 (evaluate_eq_attr): Remove use of above things.
8898 (simplify_test_exp): Ditto.
8899 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8900 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8902 2005-08-04 James E Wilson <wilson@specifix.com>
8904 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8905 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8906 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8907 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8908 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8910 2005-08-04 Richard Henderson <rth@redhat.com>
8913 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8914 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8915 * tree-sra.c (decide_block_copy): Use it. Disable element copy
8916 if we'd have to instantiate too many members.
8918 2005-08-04 Richard Henderson <rth@redhat.com>
8921 * tree-outof-ssa.c (coalesce_asm_operands): New.
8922 (coalesce_ssa_name): Use it. Split out ...
8923 (coalesce_phi_operands, coalesce_result_decls): ... these.
8925 2005-08-04 Paul Brook <paul@codesourcery.com>
8927 * read-rtl.c (read_quoted_string): Break if EOF.
8929 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
8931 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8932 (fold_build2): Likewise.
8933 (fold_build3): Likewise.
8934 (fold_build1_stat): New function prototype.
8935 (fold_build2_stat): Likewise.
8936 (fold_build3_stat): Likewise.
8937 * fold-const.c (fold_build1): Rename to ..
8938 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8939 through to build1_stat.
8940 (fold_build2): Rename to ..
8941 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8942 through to build2_stat.
8943 (fold_build3): Rename to ..
8944 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8945 through to build3_stat.
8947 2005-08-04 David Edelsohn <edelsohn@gnu.org>
8948 Ian Lance Taylor <ian@airs.com>
8950 * function.c (assign_stack_local_1): Do not correct stack slot
8951 address if allocation size is smaller than mode size.
8953 2005-08-04 Diego Novillo <dnovillo@redhat.com>
8956 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8957 (tree_merge_blocks): Propagate anything allowed by
8959 Clarify documentation.
8960 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8961 SSA form, schedule an update if necessary.
8963 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
8965 * doc/install.texi (Binaries): Remove broken link to
8966 Sinix/Reliant Unix binaries.
8968 2005-08-03 Richard Henderson <rth@redhat.com>
8971 * function.c (stack_protect_epilogue): Export.
8972 * tree.h (stack_protect_epilogue): Declare.
8973 * calls.c (expand_call): Call it.
8975 2005-08-03 Eric Christopher <echristo@apple.com>
8977 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8978 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8981 2005-08-04 Jan Hubicka <jh@suse.cz>
8983 * profile.c (branch_prob): Split edges with goto locus on them
8984 to get proper line counts.
8985 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8987 2005-08-03 Paul Brook <paul@codesourcery.com>
8989 * function.c (assign_parms): Round current_function_args_size
8990 to PARM_BOUNDARY, not STACK_BOUNDARY.
8992 2005-08-03 Geoffrey Keating <geoffk@apple.com>
8994 * config/i386/i386.c (x86_elf_aligned_common)
8995 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8997 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
8999 PR tree-optimization/23157
9000 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
9001 before emitting them.
9003 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9005 PR tree-optimization/19899
9006 * Makefile.in (tree-scalar-evolution.o): Add real.h.
9007 * tree-scalar-evolution.c: Include real.h.
9008 (add_to_evolution): Build constant -1 of correct type.
9010 2005-08-03 Jan Hubicka <jh@suse.cz>
9012 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
9013 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
9014 profile updating for complette unrolling.
9015 * loop-unroll.c (peel_loop_completely): Use it.
9016 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
9017 (tree_unroll_loops_completely): Disable code growing unrolling of cold
9020 2005-08-03 Paul Brook <paul@codesourcery.com>
9022 * combine.c (can_change_dest_mode): New function.
9023 (try_combine, simplify_set): Use it.
9025 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
9027 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
9030 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
9032 * doc/install.texi (Specific): Adjust link to openavr.org.
9033 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
9034 (Binaries): Adjust HP-UX Porting Center link.
9035 (Binaries): Adjust Free Software Foundation ordering link.
9037 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
9039 * convert.c (convert_to_integer): Use fold_build1 instead of
9040 build1 when converting an integer to an integer.
9042 2005-08-02 Richard Henderson <rth@redhat.com>
9044 * combine.c (combine_instructions): Don't use reg_equal/equiv
9045 results if the mode doesn't match.
9047 2005-08-02 Mark Mitchell <mark@codesourcery.com>
9049 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
9050 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
9052 2005-08-02 Richard Henderson <rth@redhat.com>
9055 * explow.c (memory_address): Remove special-case for
9056 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
9058 2005-08-02 Diego Novillo <dnovillo@redhat.com>
9061 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
9062 number of calls to cleanup_tree_cfg_1.
9064 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
9066 * doc/invoke.texi: document file extensions .F90 and .F95
9068 2005-08-02 Richard Guenther <rguenther@suse.de>
9070 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
9071 positive if its first argument is positive.
9073 2005-08-02 Richard Guenther <rguenther@suse.de>
9075 PR tree-optimization/23177
9076 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
9079 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
9081 PR tree-optimization/23129
9082 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
9083 varying for divisions with anti-ranges.
9085 2005-08-02 Jan Hubicka <jh@suse.cz>
9087 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
9088 * tree-ssa-threadupdate.c (thread_block): Add it here.
9090 2005-08-01 James E Wilson <wilson@specifix.com>
9092 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
9093 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
9094 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
9096 * config/mips/predicates.md (const_call_insn_operand): Add check for
9097 SYMBOL_REF_LONG_CALL_P.
9098 * doc/extend.texi (long_call): Document the new attribute.
9100 2005-08-01 Ian Lance Taylor <ian@airs.com>
9101 Richard Henderson <rth@redhat.com>
9103 * Makefile.in (RTL_BASE_H): Add real.h.
9104 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
9106 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
9108 * rtl.c (rtl_check_failed_code_mode): New.
9109 * rtl.h (struct rtx_def): Add u.rv.
9110 (XCMWINT, XCNMPRV): New.
9111 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
9112 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
9114 2005-08-01 Richard Henderson <rth@redhat.com>
9116 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
9117 with auto-inc codes.
9119 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
9121 2005-08-01 Jan Hubicka <jh@suse.cz>
9123 * i386-protos.h (asm_preferred_eh_data_format): Declare.
9124 * i386.c: Include dwarf2.h
9125 (asm_preferred_eh_data_format): New.
9126 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
9128 2005-08-01 Ian Lance Taylor <ian@airs.com>
9130 * config/host-linux.c (linux_gt_pch_get_address): Add new name
9131 randomize_va_space for virtual address randomization control.
9133 2005-08-01 Steven Bosscher <stevenb@suse.de>
9135 * common.opt (flag_ipa_cp): Put in right place to maintain
9138 2005-08-01 Jan Hubicka <jh@suse.cz>
9140 * profile.c (compute_value_histograms): Fix thinko.
9141 * value-prof.c: Include toplev.h
9142 (check_counter): New function.
9143 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
9144 tree_mod_subtract_transform): Add sanity check.
9146 2005-08-01 Richard Guenther <rguenther@suse.de>
9148 PR tree-optimization/23133
9149 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
9150 current functions parameter decls to find defs to cse
9153 2005-08-01 Richard Guenther <rguenther@suse.de>
9155 PR tree-optimization/23109
9156 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
9157 If trapping math is in effect, use post-dominator information
9158 to check if we'd in any case reach a trapping point before
9159 doing the reciprocal insertion.
9160 (execute_cse_reciprocals): Compute post-dominators, if necessary.
9161 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
9162 expressions are invariant only if trapping math is not in effect.
9164 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
9166 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
9167 cgraph_function_versioning): New declarations.
9168 * cgraphunit.c: Add include to ipa-prop.h.
9169 (update_call_expr, cgraph_copy_node_for_versioning,
9170 cgraph_function_versioning): New functions.
9171 * integrate.c (copy_decl_for_inlining): Remove.
9172 * ipa-prop.h (ipa_replace_map): New struct.
9173 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
9174 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
9175 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
9176 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
9177 ipcp_iterate_stage, ipcp_method_scale_print,
9178 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
9179 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
9180 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
9181 ipcp_update_bb_counts, ipcp_update_profiling,
9182 ipcp_update_edges_counts): New functions.
9183 (ipcp_method_cval_init): Remove restriction regarding local methods.
9184 (ipcp_init_stage): Add ipcp_method_compute_scale.
9185 (ipcp_insert_stage): Add versioning.
9186 (ipcp_structures_print): Add ipcp_method_scale_print.
9187 (ipcp_driver): Dump profiling info.
9188 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
9189 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
9190 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
9191 (struct inline_data): Add versioning_p, ipa_info, new fields.
9192 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
9193 declare_return_variable): Replace calls to copy_decl_for_inlining with
9195 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
9197 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
9198 Add argument VERSIONING.
9199 (copy_arguments_for_versioning, copy_static_chain,
9200 function_versionable_p, tree_versionable_function_p,
9201 tree_function_versioning, replace_ref_tree): New functions.
9202 * tree-inline.h: Include varray.h.
9203 (tree_versionable_function_p, tree_function_versioning,
9204 tree copy_decl_for_dup): New declarations.
9206 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
9208 * ipa-cp.c: New file. Contains IPCP specific functionality.
9209 * ipa-prop.h: New file. Contains structures/definitions that can be
9210 used by several interprocedural data flow optimizations (and also IPCP).
9211 * ipa-prop.c: New file.
9212 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
9213 * common.opt: Add ipa-cp flag.
9214 * timevar.def: Add IPCP optimization.
9215 * tree-optimize.c (init_tree_optimization_passes): Schedule
9217 * tree-pass.h (pass_ipa_cp): Declare.
9219 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
9221 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
9222 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
9223 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
9224 config/i386/i386.c, config/mips/mips.h,
9225 config/rs6000/rs6000.h, config/sh/sh.c,
9226 config/stormy16/stormy16.c: Fix comment typos.
9228 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
9231 * c-typeck.c (build_binary_op): Use common_type wrapper on
9233 (common_type): Update comment.
9235 2005-07-31 Steven Bosscher <stevenb@suse.de>
9238 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
9239 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
9240 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
9242 2005-07-31 Jan Hubicka <jh@suse.cz>
9244 * pretty-print.h (pp_widest_integer): New macro.
9245 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
9248 2005-07-31 Jan Hubicka <jh@suse.cz>
9250 * output.h (enum section_category): Export from varasm.c
9251 (categorize_decl_for_section): Likewise.
9252 * varasm.c (enum section_category): Kill.
9253 (categorize_decl_for_section): Make global.
9254 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
9256 * i386.c (ix86_section_threshold): New static variable.
9257 (ix86_in_large_data_p, ix86_encode_section_info,
9258 x86_64_elf_unique_section,
9259 x86_64_elf_select_section): New functions.
9260 (TARGET_ENCODE_SECTION_INFO): Define
9261 (override_options): Enable medium model for PIC.
9262 (ix86_expand_prologue): Expand gen_set_got_rex64.
9263 (legitimate_constant_p): Handle new UNSPECs.
9264 (legitimate_pic_address_disp_p): Likewise.
9265 (legitimize_pic_address): Lower MEDIUM model addressing.
9266 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
9267 (enum cmodel): Add MEDIUM_PIC.
9268 (SYMBOL_REF_FAR_ADDR_P): New macro.
9269 (SYMBOL_FLAG_FAR_ADDR): New flag.
9270 * i386.md (movdi): Support medium model.
9271 (set_got_rex64): New pattern.
9272 * i386.opt (mlarge-data-threshold): New flag.
9273 * predicates.md (zext_operand/sext_operand): Deal with medium model.
9274 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
9275 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
9276 TARGET_ASM_UNIQUE_SECTION): New.
9278 * invoke.texi (-mlarge_data_threshold): Document
9280 2005-07-31 Jan Hubicka <jh@suse.cz>
9282 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
9283 (coalesce_vars): Likewise.
9284 * tree-ssa-live.c (coalesce_cost): New.
9285 (build_tree_conflict_graph): Use coalesce_cost.
9286 * tree-ssa-live.h (coalesce_cost): Declare.
9288 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
9290 * arm.md (all peepholes for post-increment operations): Delete.
9291 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
9292 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
9293 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
9294 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
9295 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
9297 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
9299 * fold-const.c (tree_expr_nonnegative_p): Always return true for
9302 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
9305 * doc/invoke.texi: Document -rdynamic.
9307 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
9310 * c-parser.c (c_parser_parms_list_declarator): Call
9311 mark_forward_parm_decls.
9312 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
9313 decls with visibility structure.
9315 2005-07-30 Paul Brook <paul@codesourcery.com>
9317 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
9319 2005-07-30 Paul Brook <paul@codesourcery.com>
9321 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
9323 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
9325 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
9327 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9330 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
9331 nested function declarators.
9332 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
9333 (grokparms): Call warn_if_shadowing for parameters used within the
9335 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
9336 not used within the parameter list.
9337 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
9339 2005-07-30 Jan Hubicka <jh@suse.cz>
9341 * expr.c (expand_expr_real_1): Do not load mem targets into register.
9342 * i386.c (ix86_fixup_binary_operands): Likewise.
9343 (ix86_expand_unary_operator): Likewise.
9344 (ix86_expand_fp_absneg_operator): Likewise.
9345 * optabs.c (expand_vec_cond_expr): Validate dest.
9347 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9350 * real.c (real_from_string): Also set last bit if there is a
9351 nonzero hex digit beyond GCC's internal precision after ".".
9353 2005-07-29 David Edelsohn <edelsohn@gnu.org>
9355 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
9356 define_constants. Change duplicate values to unassigned numbers.
9357 Change UNSPEC_SUBS to UNSPEC_VSUBS.
9358 (*altivec_vspltsf): New.
9359 (altivec_vperm_v4sf): Delete.
9360 (altivec_vperm_<mode>): Use mode macro V.
9361 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
9362 (altivec_predicate_v4sf): Delete.
9363 (altivec_predicate_<mode>): Use mode macro V.
9364 (*altivec_lvesfx): New.
9365 (*altivec_stvesfx): New.
9366 (vec_realign_load_v4sf): Delete.
9367 (vec_realign_load_<mode>): Use mode macro V.
9368 * config/rs6000/rs6000.c (generate_set_vrsave): Use
9371 2005-07-29 Mark Mitchell <mark@codesourcery.com>
9374 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
9376 * configure: Regenerated.
9378 2005-07-29 Paul Brook <paul@codesourcery.com>
9380 * doc/install.texi: Add link to GFortran binaries wiki page.
9382 2005-07-29 David Ung <davidu@mips.com>
9384 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
9385 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
9386 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
9387 * config/mips/mips.md (cpu): Add 5kf name.
9388 (includes): Includes 5k.md.
9389 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
9390 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
9393 2005-07-29 Diego Novillo <dnovillo@redhat.com>
9396 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
9397 (cleanup_tree_cfg): ... here.
9398 Call cleanup_tree_cfg_1 until there are no more cleanups to
9401 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
9403 * tree-vrp.c (compare_range_with_value): Return true or false
9404 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
9405 EQ_EXPR respectively.
9407 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
9409 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
9412 2005-07-29 Diego Novillo <dnovillo@redhat.com>
9414 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
9415 (tree_ssa_dominator_optimize): Increment it.
9416 (dump_dominator_optimization_stats): Print it.
9418 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
9419 Steven Bosscher <stevenb@suse.de>
9421 PR rtl-optimization/23117
9422 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
9423 when head == tail. Tidy comment.
9425 2005-07-28 Richard Henderson <rth@redhat.com>
9427 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
9428 * cselib.c (rtx_equal_for_cselib_p): Likewise.
9429 * jump.c (rtx_renumbered_equal_p): Likewise.
9430 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
9431 CONST_INT and CONST_DOUBLE.
9432 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
9433 * reload.c (operands_match_p): Special case CONST_INT and
9434 CONST_DOUBLE; check mode earlier.
9436 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9439 * c-typeck.c (convert_for_assignment): Do not check
9440 DECL_IN_SYSTEM_HEADER on NULL fundecl.
9442 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9445 * c-typeck.c (composite_type): Prefer constant size arrays to
9448 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9451 * real.c (real_from_string): Set last bit if there is a nonzero
9452 hex digit beyond GCC's internal precision.
9454 2005-07-28 Richard Henderson <rth@redhat.com>
9457 * cfgcleanup.c (try_forward_edges): Watch out for end of
9460 2005-07-28 James E Wilson <wilson@specifixinc.com>
9463 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
9465 2005-07-28 Jan Hubicka <jh@suse.cz>
9467 * Makefile.in (rtl-profile.o): Kill all traces of it.
9468 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
9469 * coverage.h (rtl_coverage_counter_ref): Kill.
9470 * opts.c (flag_speculative_prefetching_set): Kill.
9471 (flag_loop_optimize_set): New.
9472 (common_handle_option): Disable loop optimizer when profiling;
9473 do not handle speculative prefetching.
9474 * passes.c (init_optimization_passes): Replace pass_profiling combo
9475 by branch_prob pass.
9476 * profile.c (compute_value_histograms): Update for simplified value
9478 (rtl_register_profile_hooks): Kill.
9479 (pass_profiling): Kill.
9480 (rest_of_handle_branch_prob): Do not profile.
9481 * toplev.c (process_options): Remove speculative prefetching.
9482 * toplev.h (flag_tree_based_profiling): Kill.
9483 * tree-profile.c (prepare_instrumented_value,
9484 tree_gen_interval_profiler, tree_gen_pow2_profiler,
9485 tree_gen_one_value_profiler, do_tree_profiling): Update for
9486 simplified datastructures.
9487 * value-prof.c: Add comment that speculative prefetching was dropped;
9488 update rest of file for simplified datastructures.
9489 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9490 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9491 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9492 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9493 rtl_mod_subtract, gen_speculative_prefetch,
9494 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9495 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9496 (gate_handle_value_profile_transformations,
9497 rest_of_handle_value_profile_transformations,
9498 pass_value_profile_transformations): Kill.
9499 * value-prof.h (histogram_value_t): Remove IL based unions.
9500 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9501 rtl_profile_hooks): Remove hooks.
9503 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9505 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9506 (cgraph_clone_node): Likewise.
9507 * cgraph.h (cgraph_clone_edge): Update prototype.
9508 (cgraph_clone_node): Likewise.
9509 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9511 (lookup_recursive_calls): Consider profile.
9512 (cgraph_decide_recursive_inlining): Fix updating; use new
9513 probability argument; use profile.
9514 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9515 * tree-inline.c (copy_bb): Update clal of clone_edge.
9516 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9518 * invoke.texi (min-inline-recursive-probability): Document.
9520 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
9522 * doc/install.texi (Configuration): Update Valgrind homepage.
9524 2005-07-28 Richard Henderson <rth@redhat.com>
9527 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9528 labels we want to delete.
9529 (cfg_layout_merge_blocks): Likewise.
9531 2005-07-28 Richard Henderson <rth@redhat.com>
9534 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9535 when expanding to nothing.
9537 2005-07-28 Josh Conner <jconner@apple.com>
9539 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9540 (cgraph_decide_inlining_of_small_functions): Likewise.
9542 2005-07-28 Josh Conner <jconner@apple.com>
9544 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
9545 direction of badness if negative.
9546 (cgraph_default_inline_p): Add reason to parameters, and assign it
9548 (cgraph_decide_inlining_of_small_functions): New parameter in call
9549 to cgraph_default_inline_p.
9550 (cgraph_decide_inlining_incrementally): Likewise.
9551 * cgraphunit.c (decide_is_function_needed): Likewise.
9552 * cgraph.h (cgraph_default_inline_p): Likewise.
9554 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9556 * builtins.c: Fix comment typo(s).
9557 * genautomata.c: Likewise.
9558 * gimplify.c: Likewise.
9559 * tree-dfa.c: Likewise.
9560 * tree-flow-inline.h: Likewise.
9561 * tree-into-ssa.c: Likewise.
9562 * tree-ssa-alias.c: Likewise.
9563 * tree-ssa-ccp.c: Likewise.
9564 * tree-ssa-copy.c: Likewise.
9565 * tree-ssa-dce.c: Likewise.
9566 * tree-ssa-dom.c: Likewise.
9567 * tree-ssa-operands.c: Likewise.
9568 * tree-tailcall.c: Likewise.
9569 * tree-vectorizer.c: Likewise.
9570 * tree-vrp.c: Likewise.
9573 2005-07-28 Jeff Law <law@redhat.com>
9575 * tree-vrp.c (test_for_singularity): Extracted from ...
9576 (simplify_cond_using_ranges): Attempt to simplify a relational
9577 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
9579 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
9581 PR tree-optimization/22506
9582 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9583 phis whose argument is constant.
9585 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
9587 PR rtl-optimization/18992
9588 Back out this patch:
9589 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9590 PR optimization/12142
9591 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9592 uses of the register in the SET_SRC. Remove unnecessary argument.
9594 Replace it with this:
9595 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9596 if flag_non_call_exceptions is set and the insn may trap, pass
9597 pc_rtx as dest for recursion.
9598 In SET_SRC part of SET case, if dest is already set, pass it down
9601 2005-07-28 Jan Hubicka <jh@suse.cz>
9603 * cfg.c (update_bb_profile_for_threading): Use RDIV.
9604 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9605 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9607 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9608 profile when available.
9610 2005-07-28 Jan Beulich <jbeulich@novell.com>
9612 * config/ia64/ia64.c (ia64_load_pair_ok): New.
9613 (ia64_print_operand): Describe and handle 'X'.
9614 (ia64_register_move_cost): Also handle FP_REGS.
9615 (ia64_preferred_reload_class): Likewise.
9616 (ia64_secondary_reload_class): Likewise.
9617 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9618 it. Also check for ITANIUM_CLASS_FLDP.
9619 * config/ia64/ia64.h (FP_REGNO_P): New.
9620 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9621 (reg_class): Add FP_REGS.
9622 (REG_CLASS_NAMES): Adjust for it.
9623 (REG_CLASS_CONTENTS): Likewise.
9624 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9625 (REG_CLASS_FROM_LETTER): Handle 'x'.
9626 (CLASS_MAX_NREGS): Handle FP_REGS.
9627 (MEMORY_MOVE_COST): Likewise.
9628 * config/ia64/ia64.md (itanium_class): Add fldp.
9629 (type): Handle fldp.
9630 (movti_internal): More allowable operand combinations. Use ldfp8 when
9631 splitting unnecessary. Remove predicable attribute. Adjust
9632 itanium_class attribute.
9633 (smuldi3_highpart): Remove outdated comment.
9634 (mulditi3, umulditi3, rotlti3): New expanders.
9635 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9636 (absti2): Disabled new insn for future reference.
9637 Respective new splitters.
9638 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9639 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9640 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9642 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
9644 PR rtl-optimization/23047
9645 * simplify-rtx.c (simplify_const_relational_operation): Respect
9646 flag_wrapv for comparisons with ABS.
9648 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
9650 PR tree-optimization/22493
9651 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9652 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9654 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
9656 * config/frv/frv.opt (moptimize-membar): New.
9658 * doc/invoke.texi: Document -moptimize-membar and its inverse.
9660 * config/frv/frv.h: Remove machine_function definition.
9662 * config/frv/frv.c (struct frv_io): New.
9663 (struct machine_function): Moved from frv.h. Add has_membar_p.
9664 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9665 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9666 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9667 (frv_optimize_membar_global, frv_optimize_membar): New functions.
9668 (frv_reorg): Call frv_optimize_membar when appropriate.
9669 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9670 (frv_expand_builtin): Adjust calls accordingly.
9671 (frv_io_address_cookie): New function.
9672 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9673 load or store rather than a special insn. Add ccnstant address and
9674 io-type operands to the membar.
9675 (frv_ifcvt_modify_tests): Unsign regno.
9676 (frv_ifcvt_modify_tests): Same.
9678 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
9679 UNSPEC_OPTIONAL_MEMBAR constant.
9680 (builtin_read_<mode>): Delete.
9681 (builtin_write_<mode>): Delete.
9682 ("optional_membar_<mode>"): Add operand.
9684 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9685 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9686 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9687 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9688 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9689 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9690 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9691 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9692 * testsuite/gcc.target/frv/all-read-write-1.c: New.
9694 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
9696 * df.c (df_uses_record): Handle SCRATCH.
9698 2005-07-28 Steven Bosscher <stevenb@suse.de>
9701 * passes.c (rest_of_decl_compilation): If decl is a type and
9702 we have encountered errors, don't emit debug information.
9704 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9706 * params.def: Fixed comment.
9708 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
9711 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9712 (TARGET_ASM_UNALIGNED_HI_OP): Add.
9713 (TARGET_ASM_UNALIGNED_SI_OP): Add.
9715 2005-07-27 Steven Bosscher <stevenb@suse.de>
9718 * varasm.c (assemble_start_function): Don't do anything that may
9719 require a CFG if the current function is a thunk.
9721 2005-07-25 Geoffrey Keating <geoffk@apple.com>
9723 * doc/install.texi (Prerequisites): Mention that perl is needed
9724 to do export control in libstdc++ targetting Darwin.
9726 2005-07-27 Steven Bosscher <stevenb@suse.de>
9728 PR rtl-optimization/17808
9729 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9730 (sched_insns_conditions_mutex_p): Split out from...
9731 (add_dependence): ...here. But don't call it from here.
9732 (add_dependence_list): Check sched_insns_conditions_mutex_p
9733 before calling add_dependence.
9734 (add_dependence_list_and_free): Likewise.
9735 (fixup_sched_groups): Likewise.
9736 (sched_analyze_1): Likewise.
9737 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9738 (sched_analyze): Likewise.
9739 (sched_analyze_insn): Likewise.
9740 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9741 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
9742 dependencies on all COND_EXEC insns to jumps ending basic blocks
9743 when doing intrablock scheduling.
9744 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9746 2005-07-27 Jeff Law <law@redhat.com>
9748 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9749 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
9750 equivalency sets, correctly handle the case were vr0 has an
9751 equivalency set, but vr1 does not.
9753 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
9755 PR tree-optimization/23073
9756 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9757 vect_print_dump_info before fprintf.
9759 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9761 PR tree-optimize/22348
9762 * tree-ssa-loop-niter.c (number_of_iterations_cond):
9763 Fold the partial computation.
9765 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9767 PR tree-optimization/22325
9768 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9770 * tree-scalar-evolution.c (scev_const_prop): Add generic final
9772 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9773 (force_var_cost): ... this function.
9774 (compute_phi_arg_on_exit): Export.
9776 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9778 PR tree-optimization/20773
9779 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9782 2005-07-27 Richard Guenther <rguenther@suse.de>
9784 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9785 Avoid pushing again if current struct contains only
9786 fields we decomposed.
9788 2005-07-27 Jan Hubicka <jh@suse.cz>
9790 PR tree-optimization/22574
9791 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9794 * tree-tailcall.c (decrease_profile): New function.
9795 (eliminate_tail_call): Use it.
9797 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9798 visibility flags correctly in whole program mode.
9800 2005-07-26 Steve Ellcey <sje@cup.hp.com>
9802 PR rtl-optimization/22472
9803 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9805 2005-07-26 Steven Bosscher <stevenb@suse.de>
9807 PR tree-optimization/22504
9808 * tree-complex.c (expand_complex_addition): Use 'code' instead
9809 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9811 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9813 * config.gcc (cpu_type): Add frv case.
9814 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9815 (supported_defaults): Add fr550 case.
9817 2005-07-26 Diego Novillo <dnovillo@redhat.com>
9820 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9821 whether a pointer of type T * may point to objects of type T *.
9823 2005-07-26 DJ Delorie <dj@redhat.com>
9825 * configure: Regenerate.
9827 2005-07-26 Dale Johannesen <dalej@apple.com>
9829 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
9831 2005-07-26 Mark Mitchell <mark@codesourcery.com>
9833 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9834 Clarify use of "build" in name.
9836 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9838 * doc/extend.texi (Raw read/write Functions): New section.
9839 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9840 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9841 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9842 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9843 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9844 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9845 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9846 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9847 * config/frv/frv.c: Add bdesc_loads global.
9848 Add bdesc_stores global.
9849 (frv_init_builtins): Add support for __builtin_{read/write}*.
9850 (frv_volatile_memref): New.
9851 (frv_expand_load_builtin): New.
9852 (frv_expand_store_builtin): New.
9853 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9854 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9855 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9856 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9857 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9858 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9859 (builtin_read_<mode>): New.
9860 (builtin_write_<mode>): New.
9861 (builtin_write64): New.
9862 (optional_membar_<mode>): New.
9864 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
9866 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9867 (rather than units) against HOST_BITS_PER_WIDE_INT.
9869 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
9871 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9872 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9873 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9874 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9877 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9878 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9879 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9881 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9883 2005-07-26 Richard Guenther <rguenther@suse.de>
9885 PR tree-optimization/22486
9886 * fold-const.c (fold_unary): Fold away useless component
9887 references of the form (T *)&T.x, if the address
9890 2005-07-25 James E Wilson <wilson@specifixinc.com>
9892 * dwarf2out.c (add_call_src_coords_attributes): New.
9893 (gen_inlined_subroutine_die): Call it.
9894 (maybe_emit_file, init_file_table): Add comments.
9895 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9897 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9898 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9899 * tree.h (BLOCK_SOURCE_LOCATION): New.
9900 (struct tree_block): New field locus.
9902 2005-07-26 Andreas Schwab <schwab@suse.de>
9904 PR rtl-optimization/23043
9905 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9906 when allocating a struct unoccr.
9908 2005-07-25 Richard Henderson <rth@redhat.com>
9911 * tree-complex.c (gate_no_optimization): True if errors.
9912 * Makefile.in (tree-complex.o): Update dependencies.
9914 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
9916 * config/frv/predicates.md (integer_register_operand): Use
9919 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9922 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9924 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9926 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9928 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9929 types when flag_unsafe_math_optimizations is true.
9931 2005-07-25 Mark Mitchell <mark@codesourcery.com>
9933 * gcc.c (option_map): Add --sysroot.
9934 (process_command): Handle --sysroot.
9935 (display_help): Document it.
9936 * doc/cppopts.tex (-isysroot): Document.
9937 * doc/invoke.texi (--sysroot): Document.
9938 * doc/install.texi (--with-build-sysroot): Document.
9940 * Makefile.in (inhibit_libc): New variable.
9941 (INHIBIT_LIBC_CFLAGS): Likewise.
9942 (LIBGCC2_CFLAGS): Include
9943 $(INHIBIT_LIBC_CFLAGS).
9944 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9945 ($(T)crtbegin.o): Do not use @inhibit_libc@.
9946 ($(T)crtend.o): Likewise.
9947 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9948 ($(T)crtendS.o): Likewise.
9949 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9950 ($(T)crtendT.o): Likewise.
9951 (stmp-fixinc): Do not complain about missing headers if
9953 * configure.ac (inhibit_libc): Set it to true/false.
9954 (--with-build-sysroot): New option. Use it to set
9956 * configure: Regenerated.
9958 2005-07-25 Manfred Hollstein <mh@suse.com>
9960 * calls.c (store_one_arg): Fix unsigned comparison warning.
9962 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
9965 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9966 (ggc_print_statistics): Initialize variable before use.
9968 2005-07-25 Richard Guenther <rguenther@suse.de>
9970 * tree-dfa.c (mark_new_vars_to_rename): Protect against
9971 calling with a PHI_NODE argument.
9973 * tree-flow-inline.h (overlap_subvar): Protect against
9976 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
9978 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9979 * configure: Regenerate.
9981 2005-07-25 Ira Rosen <irar@il.ibm.com>
9983 * expr.c (highest_pow2_factor): Make extern.
9984 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9985 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9986 record_array_differ_p, array_ptr_differ_p): Likewise.
9987 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9988 additional cases. Call the above functions.
9989 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9990 base_object_differ_p when there are two base objects. Otherwise, compare
9991 base address and offset. Call may_alias_p.
9992 (dump_data_reference): Use a correct field name.
9993 (analyze_array): Make static. Initialize new data-ref fields.
9994 (analyze_indirect_ref): New function.
9995 (init_data_ref): Initialize new data-ref fields.
9996 (strip_conversion): Moved from tree-vect-analyze.c.
9997 (analyze_offset_expr, get_ptr_offset, address_analysis,
9998 object_analysis): Likewise.
9999 (analyze_offset): New function.
10000 (create_data_ref): Likewise.
10001 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
10002 dimensions for ARRAY_REFs only.
10003 (build_classic_dist_vector): Make static.
10004 (access_functions_are_affine_or_constant_p): Call macro to get the
10005 address of access functions.
10006 (compute_all_dependences): Add new parameter
10007 compute_self_and_read_read_dependences. Compute self and read-read
10008 dependences if it is true.
10009 (find_data_references_in_loop): Call create_data_ref. Initialize new
10011 (compute_data_dependences_for_loop): Add new parameter
10012 compute_self_and_read_read_dependences. Remove parameter nb_loops,
10013 compute nb_loops. Call compute_all_dependences,
10014 build_classic_dist_vector and build_classic_dir_vector with correct
10016 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
10017 with correct parameters. Compare dimensions for ARRAY_REFs only.
10018 (free_data_refs): Call macro to free access functions.
10019 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
10020 fields from stmt_vinfo.
10021 (struct base_object_info): New structure.
10022 (struct data_reference): Move fields to base_object_info. Add fields
10023 first_location and object_info for above structures. Move fields from
10024 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
10025 aligned_to. Add macros to access the new fields.
10026 Update functions declarations.
10027 * tree-flow.h (is_aliased_with): Declare.
10028 * tree-loop-linear.c (linear_transform_loops): Call
10029 compute_data_dependences_for_loop with correct parameters.
10030 * tree-ssa-alias.c (is_aliased_with): New function.
10031 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
10032 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
10033 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
10034 vect_base_addr_differ_p, compute_subscript_distance and
10035 build_classic_dist_vector. Add printings. Check absolute value of
10037 (vect_analyze_data_ref_dependences): Go through ddrs instead of
10039 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
10040 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
10041 to bytes. Add printing.
10042 (vect_compute_data_refs_alignment): Go through loads and stores in one
10044 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
10045 vect_analyze_data_ref_access): Likewise.
10046 (vect_analyze_pointer_ref_access): Remove.
10047 (vect_address_analysis, vect_object_analysis): Likewise.
10048 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
10049 and analyze data-refs in the loop.
10050 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
10051 fields of data-ref instead of stmt. Add init to the offset from the
10053 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
10054 (vect_update_init_of_dr): Likewise.
10055 (vect_update_inits_of_drs): Go through loads and stores in one loop.
10056 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
10058 (new_loop_vec_info): Initialize new fields.
10059 (destroy_loop_vec_info): Free new fields.
10060 (vect_strip_conversion): Remove.
10061 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
10062 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
10063 datarefs. Add new field ddrs.
10064 Add macros for the new fields access.
10065 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
10066 base_aligned_p, misalignment, memtag, ptr_info and subvars.
10067 Remove their macros.
10068 * tree.h (highest_pow2_factor): Declare.
10070 2005-07-25 Jakub Jelinek <jakub@redhat.com>
10072 * calls.c (store_one_arg): Check for sibling call MEM arguments
10073 from already clobbered incoming argument area.
10075 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10077 * c-common.c (check_missing_format_attribute): New.
10078 * c-common.h (check_missing_format_attribute): Likewise.
10079 * c-typeck.c (convert_for_assignment): Use it.
10081 2005-07-24 Andreas Schwab <schwab@suse.de>
10083 * config/m68k/m68k.md ("extendqidi2"): When source is an address
10084 register use a word move. Correct operand of ext.w in 68000 code.
10086 2005-07-23 Mark Mitchell <mark@codesourcery.com>
10088 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
10089 variables as declarations, rather than definitions.
10091 2005-07-24 Ira Rosen <irar@il.ibm.com>
10093 PR tree-optimization/22526
10094 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
10097 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10099 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
10100 that C99 reserve for future use. Use it to define clog10,
10101 clog10f and clog10l.
10103 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10105 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
10106 * configure.ac: Check for -Wmissing-format-attribute.
10108 * configure: Regenerate.
10110 2005-07-23 Richard Henderson <rth@redhat.com>
10112 PR tree-optimization/22623
10113 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
10115 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
10118 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
10120 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10122 * Makefile.in (C_TREE_H): Update dependencies.
10123 * c-tree.h: Include toplev.h.
10124 * diagnostic.h (diagnostic_set_info): Add format attribute.
10125 * rtl-error.c (diagnostic_for_asm): Likewise.
10127 2005-07-23 Chao-ying Fu <fu@mips.com>
10129 * config/mips/mips-dsp.md: New file.
10130 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
10131 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
10133 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
10134 MIPS_BUILTIN_BPOSGE32.
10135 (mips_expand_builtin_direct): Add one parameter to indicate that
10136 builtin functions need to return a value.
10137 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
10139 (mips_regno_to_class): Add classes for 12 new DSP registers.
10140 (mips_subword): Change to check four HI registers.
10141 (mips_output_move): Output move to and from 6 new DSP accumulators.
10142 (override_options): Make sure -mdsp and -mips16 are not used together.
10143 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
10145 (mips_conditional_register_usage): Disable 6 new DSP accumulators
10147 (print_operand): Add 'q' for printing DSP accumulators.
10148 (mips_cannot_change_mode_class): Check ACC_REGS.
10149 (mips_secondary_reload_class): Check ACC_REGS.
10150 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
10151 (mips_register_move_cost): Check ACC_REGS.
10152 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
10153 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
10154 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
10155 (dsp_bdesc): New array.
10156 (bdesc_arrays): Add DSP builtin function table.
10157 (mips_prepare_builtin_arg): Check predicate again after
10159 (mips_expand_builtin): Add one more parameter to
10160 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
10161 MIPS_BUILTIN_BPOSGE32.
10162 (mips_init_builtins): Initialize new function types.
10163 (mips_expand_builtin_direct): Check if builtin functions need to
10164 return a value and pass operands properly.
10165 (mips_expand_builtin_bposge): New function.
10166 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
10167 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
10168 (FIRST_PSEUDO_REGISTER): Increase to 188.
10169 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
10170 Update for 12 new DSP registers.
10171 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
10172 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
10173 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
10174 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
10175 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
10176 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
10177 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
10178 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
10179 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
10180 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
10181 (REGISTER_NAMES): Add names for 12 new DSP registers.
10182 * config/mips/mips.md: Include mips-dsp.md.
10183 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
10184 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
10185 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
10186 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
10187 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
10188 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
10189 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
10190 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
10191 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
10192 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
10193 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
10194 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
10195 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
10196 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
10197 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
10198 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
10199 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
10200 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
10201 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
10202 (UNSPEC_RDDSP): New constants.
10203 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
10204 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
10206 * config/mips/mips.opt (-mdsp): New option.
10207 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
10208 (reg_imm10_operand): New predicates.
10209 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
10210 * doc/invoke.texi (-mdsp): Document new option.
10212 2005-07-22 DJ Delorie <dj@redhat.com>
10214 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
10216 * tree-inline.c (inlinable_function_p): Likewise.
10218 2005-07-22 Mark Mitchell <mark@codesourcery.com>
10221 * toplev.c (check_global_declarations): Do not mark undefined
10222 variables as DECL_IGNORED_P.
10223 * varasm.c (first_global_object_name): GTY it.
10224 (weak_global_object_name): Likewise.
10225 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
10226 a string to go into {weak,first}_global_object_name.
10228 2005-07-22 DJ Delorie <dj@redhat.com>
10230 * c-format.c (check_function_format): Change warning control
10231 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
10233 2005-07-22 Diego Novillo <dnovillo@redhat.com>
10235 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
10236 &PTR->FLD a dereference of PTR.
10237 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
10238 a potential dereference of PTR.
10240 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
10242 PR rtl-optimization/20370
10243 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
10244 call allocate_reg_info if necessary.
10246 PR rtl-optimization/21848
10247 * calls.c (emit_library_call_value_1): For const functions, add
10248 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
10250 PR rtl-optimization/22445
10251 * cselib.c (target.h): Include.
10252 (rtx_equal_for_cselib_p): Allow commutative matches.
10253 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
10254 Remove MODE parameter. Changed all callers.
10256 PR rtl-optimization/22258
10257 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
10259 (try_combine): Use likely_spilled_retval_p.
10261 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
10263 * config.gcc: Add crx-elf support.
10265 * doc/contrib.texi: Mention crx.
10266 * doc/extend.texi: Document crx extensions.
10267 * doc/install.texi: Document crx install.
10268 * doc/invoke.texi: Document crx options.
10269 * doc/md.texi: Document crx constraints.
10271 * config/crx/crx-protos.h: New file.
10272 * config/crx/crx.c: New file.
10273 * config/crx/crx.h: New file.
10274 * config/crx/crx.md: New file.
10275 * config/crx/crx.opt: New file.
10276 * config/crx/t-crx: New file.
10278 2005-07-22 Manfred Hollstein <mh@suse.com>
10280 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
10282 (int_add_graph_edge): Likewise.
10283 (collapse_nodes): Likewise.
10284 (process_unification_queue): Likewise.
10286 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10287 Laurent GUERBY <laurent@guerby.net>
10289 PR tree-optimization/22336
10290 * function.c (record_block_change): Check for
10291 cfun->ib_boundaries_block.
10293 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
10295 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
10296 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
10298 2005-07-21 DJ Delorie <dj@redhat.com>
10300 * toplev.c (warn_deprecated_use): Add warning control to warning
10302 * c-typeck.c (parser_build_binary_op): Likewise.
10303 (c_finish_if_stmt): Likewise.
10304 * c-common.c (check_function_sentinel): Likewise.
10305 (check_nonnull_arg): Likewise.
10307 2005-07-21 Richard Henderson <rth@redhat.com>
10310 * tree-complex.c (complex_ssa_name_components): New.
10311 (cvc_lookup): Allow entry not found.
10312 (create_components): Remove.
10313 (create_one_component_var, get_component_var): New.
10314 (get_component_ssa_name, set_component_ssa_name): New.
10315 (extract_component): Use get_component_ssa_name.
10316 (update_complex_components): Use set_component_ssa_name.
10317 (update_complex_components_on_edge): Likewise.
10318 (update_phi_components): Create new PHI nodes directly, instead
10319 of adding insns to edges.
10320 (tree_lower_complex): Allocate and free complex_variable_components
10321 and complex_ssa_name_components here.
10323 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
10325 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
10326 revert to returning false.
10328 2005-07-21 Uros Bizjak <uros@kss-loka.si>
10331 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
10333 2005-07-21 Uros Bizjak <uros@kss-loka.si>
10336 * config/i386/i386.md (cmpxf): Change operand constraints
10337 to "nonmemory_operand".
10339 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10341 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
10343 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10345 PR middle-end/21180
10346 * fold-const.c (fold_build1): Add checksum for the operands.
10347 (fold_build2): Likewise.
10348 (fold_build3): Likewise.
10350 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10352 PR middle-end/19055
10353 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
10355 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10357 * common.opt (-fforward-propagate): Committed by mistake,
10360 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10362 * reg-stack.c: Fix comment typo(s).
10363 * tree-ssa-operands.c: Likewise.
10364 * tree-vectorizer: Likewise.
10366 2005-07-21 Nick Clifton <nickc@redhat.com>
10368 * config/sh/symbian.c: Replace C++ style line comments with C
10369 style line comments.
10370 (symbian_add_attribute): Do not use a ? operator on the LHS of
10372 (sh_symbian_handle_dll_attribute): Change the type of the
10373 method vector to "VEC(tree,gc)*" and use vector accessor
10374 macros to walk over the elements.
10375 (symbian_export_vtable_and_rtti_p): Likewise.
10376 (symbian_class_needs_attribute_p): Likewise.
10378 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10381 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
10382 initialize targetm.resolve_overloaded_builtin here.
10383 (altivec_expand_overloaded_builtin): Make it non-static.
10384 * config/rs6000/rs6000-protos.h
10385 (altivec_expand_overloaded_builtin): New prototype.
10386 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
10387 targetm.resolve_overloaded_builtin here.
10388 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
10390 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10391 Zdenek Dvorak <dvorakz@suse.cz>
10393 PR tree-optimization/19210
10394 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
10396 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
10397 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
10398 rely on unproven assumptions.
10399 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
10400 * tree-flow.h (number_of_iterations_exit): Add final parameter.
10401 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
10402 to number_of_iterations_exit.
10403 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
10404 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
10405 * tree-ssa-loop-niter.c (find_loop_niter,
10406 estimate_numbers_of_iterations_loop): Likewise.
10407 (number_of_iterations_exit): Honor the new options.
10408 * doc/invoke.texi (Wunsafe-loop-optimizations,
10409 funsafe-loop-optimizations): Document them.
10411 2005-07-21 Richard Sandiford <richard@codesourcery.com>
10413 PR rtl-optimization/22167
10414 * gcse.c (hoist_code): Fix hoist_exprs[] check.
10416 2005-07-20 Adam Nemet <anemet@lnxw.com>
10418 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
10419 __do_global_dtors_aux longcall.
10421 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
10423 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
10424 (old_special_pred_table): Don't reference
10425 SPECIAL_MODE_PREDICATES.
10426 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
10427 * config/arc/arc.h: Don't mention PREDICATE_CODES.
10428 * config/sh/predicates.h: Don't mention
10429 SPECIAL_MODE_PREDICATES.
10430 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
10433 2005-07-20 DJ Delorie <dj@redhat.com>
10435 * config.gcc: Add m32c-elf support.
10437 * doc/contrib.texi: Mention m32c.
10438 * doc/extend.texi: Document m32c extensions.
10439 * doc/install.texi: Mention m32c.
10440 * doc/invoke.texi: Document m32c options.
10441 * doc/md.texi: Document m32c constraints.
10443 * config/m32c/addsub.md: New file.
10444 * config/m32c/bitops.md: New file.
10445 * config/m32c/cond.md: New file.
10446 * config/m32c/jump.md: New file.
10447 * config/m32c/m32c-lib1.S: New file.
10448 * config/m32c/m32c-lib2.c: New file.
10449 * config/m32c/m32c-modes.def: New file.
10450 * config/m32c/m32c-pragma.c: New file.
10451 * config/m32c/m32c-protos.h: New file.
10452 * config/m32c/m32c.abi: New file.
10453 * config/m32c/m32c.c: New file.
10454 * config/m32c/m32c.h: New file.
10455 * config/m32c/m32c.md: New file.
10456 * config/m32c/m32c.opt: New file.
10457 * config/m32c/minmax.md: New file.
10458 * config/m32c/mov.md: New file.
10459 * config/m32c/muldiv.md: New file.
10460 * config/m32c/predicates.md: New file.
10461 * config/m32c/prologue.md: New file.
10462 * config/m32c/shift.md: New file.
10463 * config/m32c/t-m32c: New file.
10465 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10467 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
10468 (stack_protect_set, stack_protect_test): New expanders.
10469 (stack_protect_set_si, stack_protect_set_si_media,
10470 stack_protect_set_di_media, stack_protect_test_si,
10471 stack_protect_test_si_media, stack_protect_test_di_media):
10474 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
10476 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10478 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
10480 * tree.h (tree_expr_nonzero_p): Export.
10481 * fold-const.c (tree_expr_nonzero_p): Likewise.
10482 Return true for CALL_EXPRs that are alloca calls.
10483 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10485 * tree-flow.h (expr_computes_nonzero): Remove.
10486 * tree-vrp.c (expr_computes_nonzero): Remove.
10487 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10488 (extract_range_from_unary_expr): Likewise.
10489 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10490 tree_expr_nonzero_p.
10492 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
10494 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10495 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
10496 extra arg "picreg" and use it instead of pic_offset_table_rtx.
10497 All callers changed.
10498 (frame_related_constant_load): New arg "related" which controls
10499 setting of RTX_FRAME_RELATED_P. All callers changed.
10500 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10501 (bfin_expand_prologue): Add stack limit checking.
10502 * config/bfin/bfin.md (trapifcc): New pattern.
10504 * config/bfin/bfin.c: Include "langhooks.h".
10505 (def_builtin): Go through lang_hooks to call builtin_function.
10507 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10508 * config/bfin/predicates.md (symbol_ref_operand): New.
10509 (call_insn_operand): Delete. All callers changed to use
10510 register_no_elim_operand.
10511 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10513 (function_arg): Use it to generate the call's operand 2.
10514 (bfin_longcall_p): New function.
10515 (bfin_expand_call): Extra arg "cookie". All callers and declaration
10516 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
10517 determine if the address needs to be in a REG.
10518 (bfin_handle_longcall_attribute): New function.
10519 (bfin_attribute_table): Add "longcall" and "shortcall".
10520 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10521 (CUMULATIVE_ARGS): New member call_cookie.
10522 (PREDICATE_CODES): Add symbol_ref_operand.
10523 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10524 extra USE to the pattern.
10525 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10526 New patterns, split off call_insn, sibcall_insn, call_value_insn and
10527 sibcall_value_insn; now the new patterns handle direct calls and the
10528 old ones indirect calls.
10529 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10531 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
10533 * doc/trouble.texi: Update section on handling of empty loops.
10535 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
10537 * config.gcc: Remove support for sparc-*-openbsd*,
10538 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10540 * config.host: Remove support for i860-*-sysv4* as a host.
10541 * config/i860/*, config/ip2k/*, config/ns32k/*,
10542 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10543 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10544 mention obsolete ports.
10546 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10548 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10549 soft frame pointer.
10550 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10551 of frame_pointer_rtx.
10552 (sh_expand_epilogue): Likewise.
10553 (sh_set_return_address): Likewise.
10554 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10555 instead of FRAME_POINTER_REGNUM if needed. Add elimination
10556 offsets from FRAME_POINTER_REGNUM.
10557 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10558 (sh_register_names): Add initializer for sfp.
10559 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10560 (VALID_REGISTER_P): Likewise.
10561 (FIRST_PSEUDO_REGISTER): Update.
10562 (DWARF_FRAME_REGISTERS): Define.
10563 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10564 (HARD_FRAME_POINTER_REGNUM): Define.
10565 (FRAME_POINTER_REGNUM): Redefine.
10566 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10567 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
10568 from FRAME_POINTER_REGNUM.
10569 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10570 FRAME_POINTER_REGNUM.
10571 (REG_CLASS_CONTENTS): Add sfp.
10572 (REG_ALLOC_ORDER): Likewise.
10573 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
10574 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10575 of frame_pointer_rtx.
10576 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10578 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
10580 * fold-const.c (tree_expr_nonnegative_p): Only return true for
10581 ABS_EXPR when flag_wrapv is false because of INT_MIN.
10582 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10584 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10587 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
10589 Make CONSTRUCTOR use VEC to store initializers.
10590 * c-common.c (complete_array_type): Update to cope with VEC in
10592 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10593 (pp_c_constructor_elts): New function.
10594 * c-pretty-print.h (pp_c_constructor_elts): Declare.
10595 * c-typeck.c (build_function_call, build_c_cast, digest_init,
10596 struct constructor_stack, struct initializer_stack,
10597 constructor_elements, push_init_level, pop_init_level,
10598 add_pending_init, find_init_member, output_init_element): Update to
10599 cope with VEC in CONSTRUCTOR_ELTS.
10600 * coverage.c (build_fn_info_value, build_ctr_info_value,
10601 build_gcov_info): Likewise.
10602 * expr.c (categorize_ctor_elements_1, store_constructor,
10603 expand_expr_real_1): Likewise.
10604 * fold-const.c (fold_ternary): Likewise.
10605 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10606 gimplify_init_constructor, gimplify_expr): Likewise.
10607 * tree-dump.c (dequeue_and_dump): Likewise.
10608 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10610 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10612 * tree-sra.c (generate_element_init_1): Likewise.
10613 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10614 * tree-ssa-operands.c (get_expr_operands): Likewise.
10615 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10616 * tree-vect-transform.c (vect_get_vec_def_for_operand):
10617 (get_initial_def_for_reduction): Likewise.
10618 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10619 value handle in annotations.
10620 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10621 tree_node_structure): Add support for constr_kind.
10622 (build_vector_from_ctor, build_constructor_single,
10623 build_constructor_from_list): New functions.
10624 (build_constructor): Update to take a VEC instead of a TREE_LIST.
10625 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10626 Update to cope with VEC in CONSTRUCTOR_ELTS.
10627 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10628 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10629 CONSTRUCTOR_APPEND_ELT): New macros.
10630 (struct constructor_elt, struct tree_constructor): New data types.
10631 (union tree_node): Add tree_constructor field.
10632 * treestruct.def: Define TS_CONSTRUCTOR.
10633 * varasm.c (const_hash_1, compare_constant, copy_constant,
10634 compute_reloc_for_constant, output_addressed_constants,
10635 initializer_constant_valid_p, output_constant,
10636 array_size_for_constructor, output_constructor): Update to cope with
10637 VEC in CONSTRUCTOR_ELTS.
10638 * vec.h (VEC_empty, VEC_copy): New macros.
10640 2005-07-19 Devang Patel <dpatel@apple.com>
10642 * dbxout.c (dbxout_type): Check Objective-C++ lang.
10644 2005-07-19 Richard Henderson <rth@redhat.com>
10647 * gimplify.c (gimplify_expr): Use main variant type for the temp
10648 destination for a discarded volatile read.
10649 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10650 casts between non-void types that change volatility.
10652 2005-07-15 DJ Delorie <dj@redhat.com>
10654 * toplev.h: Add comment about the first parameter for warning().
10655 * errors.h: Likewise.
10657 * c.opt (Wpragmas): New.
10658 * doc/invoke.texi: Document it.
10660 * function.c (do_warn_unused_parameter): Add warning control to
10662 * c-decl.c (warn_if_shadowing): Likewise.
10663 * c-lex.c (cb_def_pragma): Likewise.
10664 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10665 (pop_alignment): Likewise.
10666 (handle_pragma_pack): Likewise.
10667 (apply_pragma_weak): Likewise.
10668 (handle_pragma_weak): Likewise.
10669 (handle_pragma_redefine_extname): Likewise.
10670 (add_to_renaming_pragma_list): Likewise.
10671 (handle_pragma_extern_prefix): Likewise.
10672 (maybe_apply_renaming_pragma): Likewise.
10673 (handle_pragma_visibility): Likewise.
10675 * config/c4x/c4x-c.c (BAD): Likewise.
10676 (c4x_parse_pragma): Likewise.
10677 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10678 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10679 (rs6000_pragma_longcall): Likewise.
10680 * config/v850/v850-c.c (pop_data_area): Likewise.
10681 (ghs_pragma_section): Likewise.
10682 (ghs_pragma_section): Likewise.
10683 (ghs_pragma_interrupt): Likewise.
10684 (ghs_pragma_starttda): Likewise.
10685 (ghs_pragma_startsda): Likewise.
10686 (ghs_pragma_startzda): Likewise.
10687 (ghs_pragma_endtda): Likewise.
10688 (ghs_pragma_endsda): Likewise.
10689 (ghs_pragma_endzda): Likewise.
10691 2005-07-19 Danny Berlin <dberlin@dberlin.org>
10692 Kenneth Zadeck <zadeck@naturalbridge.com>
10694 * Makefile.in: Removed tree-promote-statics.c
10695 * tree-promote-statics.c: Removed.
10696 * common.opt: Removed flag-promote-statics.
10698 * passes.c: Removed tree-promote-statics pass.
10699 * tree-pass.h: Ditto.
10700 * timevar.def: Removed TV_PROMOTE_STATICS.
10703 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
10705 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10707 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10709 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10712 * c-common.c (check_function_arguments): Call
10713 'check_function_format' if either -Wformat or
10714 -Wmissing-format-attribute are specified.
10715 * c-format.c (check_function_format): Check -Wformat before
10716 calling 'check_format_info'.
10717 * c-opts.c (c_common_post_options): Don't warn for
10718 -Wmissing-format-attribute without -Wformat.
10719 * c-typeck.c (convert_for_assignment): Detect additional cases for
10720 -Wmissing-format-attribute.
10721 * doc/invoke.texi (-Wmissing-format-attribute): Document new
10724 2005-07-19 Richard Guenther <rguenther@suse.de>
10726 * config/i386/i386.md (lrint<mode>2): Use temporary
10727 instead of clobbering non-existent memory.
10729 2005-07-19 Nick Clifton <nickc@redhat.com>
10731 * config/avr/avr.c (legitimate_address_p): Fix debugging print
10732 statement to avoid displaying ASCII control characters.
10734 2005-07-19 Ben Elliston <bje@au.ibm.com>
10736 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10737 * cfganal.c (find_edge_index): Ditto.
10738 * combine.c (combine_instructions): Ditto.
10739 * ddg.c (create_scc): Ditto.
10740 (find_successors): Ditto.
10741 (find_predecessors): Ditto.
10742 (find_nodes_on_paths): Ditto.
10743 (longest_simple_path): Ditto.
10744 * flow.c (update_life_info): Ditto.
10745 (count_or_remove_death_notes): Ditto.
10746 (clear_log_links): Ditto.
10747 * modulo-sched.c (generate_reg_moves): Ditto.
10748 (find_max_asap): Ditto.
10749 (find_max_hv_min_mob): Ditto.
10750 (find_max_dv_min_mob): Ditto.
10751 * sbitmap.c (sbitmap_first_set_bit): Ditto.
10752 * sched-rgn.c (extract_edgelst): Ditto.
10753 * tree-into-ssa.c (prepare_names_to_update): Ditto.
10754 (dump_update_ssa): Ditto.
10755 (ssa_names_to_replace) Ditto.
10756 (switch_virtuals_to_full_rewrite): Ditto.
10757 (update_ssa): Ditto.
10758 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10760 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
10762 Fix PR tree-optimization/22483
10764 * tree-complex.c (create_components): Use
10765 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10766 * tree-flow-inline.h (fill_referenced_var_vec): New function.
10767 * tree-flow.h (safe_referenced_var_iterator): New structure.
10768 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10769 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10770 safe_referenced_var iterator.
10771 (add_type_alias): Ditto.
10773 2005-07-19 Steven Bosscher <stevenb@suse.de>
10775 * loop-init.c (rest_of_handle_loop2): Remove.
10776 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10777 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10778 (pass_rtl_loop_init, pass_rtl_loop_done,
10779 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10780 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10781 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10782 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10783 pass_tree_loop_done, and pass_tree_unswitch.
10784 (gate_loop): Rename to gate_tree_loop.
10785 * passes.c (init_optimization_passes): Update for renamed tree
10786 loop passes. Add the new loop2 passes as subpasses of loop2.
10787 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10788 Update for the renamed tree loop passes.
10790 2005-07-18 Ian Lance Taylor <ian@airs.com>
10792 PR middle-end/22057
10793 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10794 blocks when optimizing.
10796 2005-07-18 Steve Ellcey <sje@cup.hp.com>
10798 * common.opt (frename-registers): Initialize to 2.
10800 (fgcse-after-reload): Ditto.
10801 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10802 (process_options): Only change flag_web, flag_rename_registers,
10803 and flag_rerun_cse_after_loop if not explicitly set by user.
10805 2005-07-18 Jan Beulich <jbeulich@novell.com>
10807 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10808 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10809 in 64-bit mode the same as DImode in 32-bit mode.
10810 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10811 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10812 mode. Add new mode parameter.
10813 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10814 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10815 x86_64_shift_adj): New expanders.
10816 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10817 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10819 Respective new splitters. Use renamed shift splitter helpers in 32-bit
10820 DImode shift splitters.
10821 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10822 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10825 2005-07-18 Jan Beulich <jbeulich@novell.com>
10827 * i386.md (movdi_extzv_1): New.
10828 (zero_extendhidi2): Combine alternatives and never force use of
10830 (zero_extendqidi2): Likewise. Don't restrict input selection.
10832 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10834 Fix PR tree-optimization/22531
10835 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
10838 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10840 * tree-promote-statics.c (pass_promote_statics): Change dump file
10843 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10845 * tree-optimize.c (init_tree_optimization_passes): Add
10846 pass_eliminate_useless_stores pass.
10847 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10848 * tree-ssa-pre.c (is_copy_stmt): New function.
10849 (follow_copies_till_vuse): Ditto.
10850 (do_eustores): Ditto.
10851 (gate_eustores): Ditto.
10853 2005-07-16 Richard Henderson <rth@redhat.com>
10855 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10857 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10858 Kenneth Zadeck <zadeck@naturalbridge.com>
10860 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10861 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10862 ipa-type-escape.h, tree-promote-statics.c
10863 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10864 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10865 tree-promote-statics.c: new files.
10866 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10867 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10868 int nonlocal_set_p, mark_constant_function): Deleted.
10869 (rest_of_handle_cfg): Removed call to mark_constant_function.
10870 (nonoverlapping_component_refs_p): Added calls to support
10871 type based aliasing.
10872 * tree-ssa-alias.c (may_alias_p,
10873 compute_flow_insensitive_aliasing): Ditto.
10874 * calls.c (flags_from_decl_or_type): Removed reference to
10876 * c-typeck.c (convert_arguments): Make builtins tolerant of having
10877 too many arguments. This is necessary for Spec 2000.
10878 * cgraph.h (const_function, pure_function): Removed.
10879 * common.opt: Added "fipa-pure-const", "fipa-reference",
10880 "fipa-type-escape", and "ftree-promote-static".
10882 * passes.c: Added ipa and tree-promote-statics passes.
10883 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10884 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10885 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10886 * tree-flow.h: Added exposed sra calls and addition of
10887 reference_vars_info field for FUNCTION_DECLS.
10888 * tree-pass.h: Added passes.
10889 * tree-sra.c: (sra_init_cache): New function.
10890 (sra_insert_before, sra_insert_after) Made public.
10891 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10893 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10894 aliasing. (may_alias_p): Added code to use type escape analysis to
10895 improve alias sets.
10896 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10897 code to prune clobbers of static variables based on information
10898 produced in ipa-reference pass. Changed call clobbering so that
10899 statics are not marked as clobbered if the call does not clobber
10902 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
10904 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10907 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10909 * doc/install.texi (*-*-solaris2*): Document recommended version
10910 of GNU binutils and mention GNU linker problem on Solaris 10.
10912 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
10915 * c-decl.c (c_build_bitfield_integer_type): New function.
10916 (finish_struct): Call it.
10917 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10919 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10921 * c-typeck.c (digest_init): Call 'convert_for_assignment'
10924 2005-07-16 Jan Hubicka <jh@suse.cz>
10926 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10927 (scale_bbs_frequencies_int): Watch roundoff errors.
10928 * predict.c (return_prediction): Initialize return_stmt.
10930 2005-07-16 Jan Hubicka <jh@suse.cz>
10932 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10933 after RTL profiling.
10935 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
10937 PR middle-end/22398
10938 * fold-const.c (build_range_check): Convert high/low to etype
10939 if we are only comparing against exp.
10941 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
10943 Fix PR tree-optimization/22376
10944 * tree-ssa-structalias.c (build_constraint_graph): We really meant
10946 (need_to_solve): New function.
10947 (compute_points_to_sets): Use it.
10949 2005-07-15 Jan Hubicka <jh@suse.cz>
10951 * cfg.c (update_bb_profile_for_threading): More diagnostic.
10952 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10954 2005-07-15 Richard Guenther <rguenther@suse.de>
10956 * c-common.c (handle_flatten_attribute): New function.
10957 Add flatten function attribute.
10958 * doc/extend.texi: Document flatten function attribute.
10959 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10960 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10962 (cgraph_decide_inlining): Handle functions with flatten
10965 2005-07-14 David Edelsohn <edelsohn@gnu.org>
10967 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10968 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10969 UNSPEC_XCHG, UNSPEC_AND): New.
10970 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10971 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10972 * config/rs6000/sync.md (FETCHOP): New code macro.
10973 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10975 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10976 (sync_compare_and_swap<mode>): Same.
10977 (sync_lock_test_and_set<mode>): Same.
10978 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10979 for QImode and HImode, and not PPC405.
10980 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10981 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10982 (sync_<fetchop>{si,di}_internal): New.
10983 (sync_nand{si,di}_internal): New.
10984 (sync_old_<fetchop>{si,di}_internal): New.
10985 (sync_old_nand{si,di}_internal): New
10986 (sync_new_<fetchop>{si,di}_internal): New.
10987 (sync_new_nand{si,di}_internal): New.
10988 (atomic_and{si,di}): New.
10989 (sync_new_nand{si,di}_internal): New.
10990 (atomic_and{si,di}): New.
10991 (sync_add<mode>_internal): Delete.
10992 (sync_addshort_internal): Use unspec instead of unspec_volatile.
10993 (sync_sub<mode>_internal): Delte.
10994 (sync_subshort_internal): New.
10995 (sync_andsi_internal): Use unspec instead of unspec_volatile.
10996 (sync_anddi_internal): Delete.
10997 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10998 (sync_booldi_internal): Delete.
10999 (sync_boolc<mode>_internal): Delete.
11000 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
11001 (sync_boolc<mode>_internal2): Delete.
11002 (sync_boolcc<mode>_internal): Delete.
11003 (isync, lwsync): Use unspec instead of unspec_volatile.
11004 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
11005 Revert UNSPEC_VOLATILE.
11006 (rs6000_split_atomic_op): New.
11007 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
11009 2005-07-14 Eric Christopher <echristo@redhat.com>
11011 * config/mips/mips.c (mips_canonicalize_comparison): Cast
11012 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
11014 2005-07-14 Eric Christopher <echristo@redhat.com>
11016 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
11018 2005-07-14 Steven Bosscher <stevenb@suse.de>
11020 PR tree-optimization/22230
11021 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
11022 the computation of the four cross productions for "range op range".
11024 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
11025 Ulrich Weigand <uweigand@de.ibm.com>
11028 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
11031 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
11033 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
11035 2005-07-14 Steve Ellcey <sje@cup.hp.com>
11037 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
11039 2005-07-14 Richard Guenther <rguenther@suse.de>
11041 PR middle-end/22347
11042 * config/i386/i386-protos.h (ix86_function_value): Change
11043 prototype to match new target hook.
11044 * config/i386/i386.c (ix86_value_regno): Change prototype
11045 to take extra type argument.
11046 (TARGET_FUNCTION_VALUE): Define.
11047 (ix86_function_ok_for_sibcall): Pass extra argument to
11048 ix86_value_regno, check return slot rtx for exact match.
11049 (ix86_function_value): Take extra parameter. Dispatch to
11050 ix86_value_regno with fndecl/fntype as provided.
11051 (ix86_value_regno): Handle extra type argument.
11052 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
11054 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
11055 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
11056 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
11057 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
11058 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
11060 2005-07-14 Richard Guenther <rguenther@suse.de>
11062 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
11063 * calls.c (expand_call): Pass fntype to hard_function_value.
11064 (emit_library_call_value_1): Likewise.
11065 * explow.c: Include target.h.
11066 (hard_function_value): Take extra argument, the fntype.
11067 Use new target hook for function_value.
11068 * expr.h (hard_function_value): Change prototype.
11069 * function.c (aggregate_value_p): Pass 0 as fntype to
11070 hard_function_value.
11071 (assign_parms): Use new target hook for function_value.
11072 Pass 0 as fntype to hard_function_value.
11073 (expand_function_end): Likewise.
11074 * reg-stack.c: Include target.h.
11075 (stack_result): Use new target hook for function_value.
11076 * target-def.h: New target hook function_value.
11077 * target.h: Likewise.
11078 * targhooks.c (default_function_value): New function.
11079 * targhooks.h (default_function_value): Declare.
11081 2005-07-13 Ian Lance Taylor <ian@airs.com>
11083 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
11085 2005-07-14 Jan Hubicka <jh@suse.cz>
11087 * tree-dfa.c (dump_variable): Use default_def function.
11088 * tree-ssa-alias.c (dump_points_to_info): Likewise.
11089 * tree-ssa.c (verify_use): Likewise.
11090 * tree-ssanames.c (release_ssa_name): Likewise.
11091 * tree-tailcall.c (eliminate_tail_call): Likewise.
11092 (tree_optimize_tail_calls_1): Likewise.
11093 * tree-vrp.c (get_value_range): Likewise.
11095 2005-07-14 Ben Elliston <bje@au.ibm.com>
11097 * gcc.c (main): Compare language[0] with '*' when iterating over
11100 2005-07-13 Adrian Straetling <straetling@de.ibm.com>
11102 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
11103 "s390_emit_compare". Add handling of CCZ1mode.
11104 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
11105 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
11107 (s390_branch_condition_mask): Add CCZ1mode handling.
11108 * config/s390/s390.md: ("seq", "*seq"): New pattern.
11109 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
11110 Use CCZ1mode instead of CCZmode.
11111 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
11113 2005-07-13 Adrian Straetling <straetling@de.ibm.com>
11115 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
11117 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
11119 2005-07-13 Eric Christopher <echristo@redhat.com>
11121 * config/mips/mips.c (mips_canonicalize_comparison): New.
11122 (mips_emit_int_relational): Use.
11124 2005-07-13 Eric Christopher <echristo@redhat.com>
11126 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11127 static extra parts.
11128 * config/s390/s390.md: Include tpf.md. Move tpf specific
11130 * config/s390/tpf.md: To here.
11131 * config/s390/s390.opt: Move tpf specific options...
11132 * config/s390/tpf.opt: to here. Add mmain option.
11133 * config/s390/tpf-unwind.h: Remove unnecessary defines.
11134 * config/s390/tpf.h: Rewrite.
11136 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
11138 * doc/tm.texi: Remove @xref{Cross-profiling}.
11140 2005-07-13 Jeff Law <law@redhat.com>
11142 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
11143 expressions, test their _DECL operands for pointer equality rather
11144 than using operand_equal_p.
11146 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
11148 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
11149 (TARGET_POSIX_IO): This.
11150 * config/darwin.h: Likewise.
11151 * config/freebsd.h: Likewise.
11152 * config/linux.h: Likewise.
11153 * config/lynx.h: Likewise.
11154 * config/netbsd.h: Likewise.
11155 * config/rs6000/linux64.h: Likewise.
11156 * config/rs6000/linux.h: Likewise.
11157 * config/s390/tpf.h: Likewise.
11158 * config/sh/embed-elf.h: Likewise.
11159 * config/sparc/linux64.h: Likewise.
11160 * config/sparc/linux.h: Likewise.
11161 * config/svr4.h: Likewise.
11162 * gcov-io.h: Likewise.
11164 * doc/tm.texi: Updated.
11166 * libgcov.c (create_file_directory): Defined only if
11167 TARGET_POSIX_IO is defined.
11168 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
11171 2005-07-13 Jan Hubicka <jh@suse.cz>
11173 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
11175 2005-07-13 David Edelsohn <edelsohn@gnu.org>
11177 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
11178 structure as argument.
11180 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
11182 PR tree-optimization/21921
11183 * tree-iterator.c (tsi_link_before): Support the case when
11184 tsi_end_p (tsi) == true.
11186 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11188 PR tree-optimization/22442
11189 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
11192 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11194 PR rtl-optimization/20376
11195 * toplev.c (process_options): Enable -fweb and -frename-registers when
11197 * doc/invoke.texi: Update the information about when -fweb and
11198 -frename-registers are enabled.
11200 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11203 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
11204 if *rhs_p is not a SSA_NAME.
11206 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
11208 Fix PR tree-optimization/22422
11209 * tree-ssa-structalias.c (struct variable_info): Add flag for
11211 (get_varinfo): Now a static function.
11212 (new_varinfo): init has_union and is_special_var to false.
11213 (solution_set_add): Check has_union.
11214 (do_da_constraint): Move temporary variable so it gets reset
11216 Also check for special variable.
11217 (do_ds_constraint): Ditto.
11218 (do_sd_constraint): Ditto.
11219 (do_structure_copy): Check for special variable.
11220 (find_func_aliases): Ditto.
11221 (init_base_vars): Set special vars properly.
11223 2005-07-13 Jan Hubicka <jh@suse.cz>
11225 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
11228 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
11229 (get_expr_operands): Fix thinko wrt flags and subvars.
11231 PR tree-optimize/22379
11232 * tree-inline.c (expand_call_inline): Do not output sorry in early
11235 2005-07-12 Dale Johannesen <dalej@apple.com>
11237 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
11239 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11242 * host-linux.h: Include limits.h.
11244 2005-07-12 Dale Johannesen <dalej@apple.com>
11246 * expr.c (compress_float_constant): Add cost check.
11247 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
11249 2005-07-12 Dale Johannesen <dalej@apple.com>
11251 * gcc.target/i386/compress-float-sse.c: New.
11252 * gcc.target/i386/compress-float-sse-pic.c: New.
11253 * gcc.target/i386/compress-float-387.c: New.
11254 * gcc.target/i386/compress-float-387-pic.c: New.
11255 * gcc.dg/compress-float-ppc.c: New.
11256 * gcc.dg/compress-float-ppc-pic.c: New.
11258 2005-07-12 Eric Christopher <echristo@redhat.com>
11260 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11261 static extra parts.
11262 * config/s390/s390.md: Include tpf.md. Move tpf specific
11264 * config/s390/tpf.md: To here.
11265 * config/s390/s390.opt: Move tpf specific options...
11266 * config/s390/tpf.opt: to here. Add mmain option.
11267 * config/s390/tpf-unwind.h: Remove unnecessary defines.
11268 * config/s390/tpf.h: Rewrite.
11270 2005-07-12 Eric Christopher <echristo@redhat.com>
11272 * gcc.c (struct infile): Update comment for language.
11273 (main): Rewrite input file resetting code.
11275 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11278 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
11279 requiring a cast in a non RHS of modify_expr. Add a cast when required.
11280 (lookup_avail_expr): Use constant_boolean_node instead
11281 of boolean_false_node/boolean_true_node.
11283 2005-07-12 Ben Elliston <bje@au.ibm.com>
11285 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
11286 and use it when printing num_edges.
11288 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
11290 * doc/extend.texi (Blackfin Built-in Functions): New section.
11291 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
11294 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
11296 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
11297 s/cmpstrsi/cmpstrnsi
11298 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
11300 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
11301 (init_optabs): Initialize cmpstrn_optab.
11302 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
11303 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
11304 * expr.c: (enum insn_code cmpstrn_optab): Declare.
11305 * config/i386/i386.md: s/cmpstr/cmpstrn
11306 * config/c4x/c4x.md: s/cmpstr/cmpstrn
11307 * doc/md.texi: Update documentation.
11309 2005-07-11 Richard Henderson <rth@redhat.com>
11311 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
11312 build_va_arg_indirect_ref.
11313 (alpha_gimplify_va_arg): Likewise.
11314 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
11315 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11316 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
11317 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
11318 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11319 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
11321 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11323 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11325 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
11326 * passes.c (init_optimization_passes): Add pass_empty_loop.
11327 * tree-pass.h (pass_empty_loop): Declare.
11328 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
11329 try_remove_empty_loop, remove_empty_loops): New functions.
11330 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
11331 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
11333 2005-07-12 Peter Barada <peter@the-baradas.com>
11335 PR middle-end/16719
11336 PR middle-end/18421
11337 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
11338 in address registers.
11339 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
11340 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
11341 alternative of addsi3_5200.
11343 2005-07-11 Ian Lance Taylor <ian@airs.com>
11345 * config/mips/mips.md (ffs<mode>2): Remove.
11347 2005-07-11 Ian Lance Taylor <ian@airs.com>
11349 * doc/tree-ssa.texi (Cleanups): Improve description of
11351 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
11353 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
11355 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
11356 * tree.h (DECL_ARGUMENT_FLD): New macro.
11358 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
11360 Fix PR tree-optimization/22404
11362 * tree-ssa-structalias.c (create_variable_info_for): Use
11365 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
11367 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
11368 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
11369 for second comparison operand.
11370 * config/bfin/predicates.md (reg_or_const_int_operand): New.
11372 * config/bfin/bfin.md (define_attr "type"): Add "sync".
11373 (define_insn_reservation "alu"): Likewise.
11374 (csync, ssync): Now of type sync.
11375 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
11376 -mcsync-anomaly -mspecld-anomaly.
11377 * config/bfin/bfin.opt (mcsync): Remove.
11378 (mcsync-anomaly, mspecld-anomaly): Add.
11379 * config/bfin/bfin.c: Include "insn-codes.h".
11380 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
11381 (TARGET_DEFAULT_TARGET_FLAGS): New.
11382 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
11384 2005-07-11 Steven Bosscher <stevenb@suse.de>
11386 * basic-block.h: Give the BB flags enum a name, bb_flags.
11387 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
11388 * cfgcleanup.c (enum bb_flags): Remove here.
11389 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
11390 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
11391 (update_forwarder_flag): Likewise.
11392 (thread_jump): Likewise.
11393 (try_forward_edges): Likewise.
11394 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
11395 forwarder flags. Don't clear bb->aux for all basic blocks. Only
11396 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
11398 2005-07-11 Richard Guenther <rguenther@suse.de>
11400 * config/i386/i386.opt: New target option -msseregparm.
11401 * config/i386/i386.c (override_options): Error out for
11402 -msseregparm but no SSE support.
11403 (ix86_function_sseregparm): Check for global sseregparm.
11404 * doc/invoke.texi: Document -msseregparm.
11406 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11408 * config.gcc (m32r-*-linux*): Use the default extra_parts.
11409 (m32rle-*-linux*): Ditto.
11411 2005-07-11 Jakub Jelinek <jakub@redhat.com>
11413 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
11414 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
11417 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11419 PR middle-end/22239
11421 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
11422 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
11424 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
11426 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
11427 (varmap): Heapify varmap.
11428 (constraints): Heapify constraints.
11429 (struct constraint_graph): Heapify succs and preds.
11430 (constraint_vec_find): Update for heapification.
11431 (constraint_set_union): Ditto.
11432 (insert_into_complex): Ditto.
11433 (constraint_edge_vec_find): Ditto.
11434 (erase_graph_self_edge): Ditto.
11435 (add_graph_edge): Ditto.
11436 (get_graph_weights): Ditto.
11437 (merge_graph_nodes): Ditto.
11438 (build_constraint_graph): Ditto.
11439 (topo_visit): Ditto.
11440 (solve_graph): Ditto.
11441 (create_variable_info_for): Ditto.
11442 (init_base_vars): Ditto.
11443 (delete_points_to_sets): Free graph, varmap, and complex constraints.
11444 (condese_varmap_nodes): Free complex vector.
11445 (clear_edges_for_node): Clear succs and preds vector.
11447 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
11449 * tree-ssa-structalias.c (update_alias_info): Change counting of
11450 references to not include vdefs.
11452 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
11454 * tree-ssa-alias.c (free_used_part_map): Add missing free.
11455 (up_insert): Ditto.
11457 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11459 * pa.c (pa_commutative_p): Make PLUS commutative when
11460 TARGET_NO_SPACE_REGS is true.
11462 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11464 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
11465 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
11466 * tree-dfa.c (dump_subvars_for): New.
11467 (debug_subvars_for): New.
11468 (dump_variable): Show subvariables if VAR has them.
11469 * tree-flow-inline.h (get_subvar_at): New.
11470 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
11471 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
11473 (struct subvar): Change fields offset and size to unsigned
11475 (dump_subvars_for): Declare.
11476 (debug_subvars_for): Declare.
11477 (get_subvar_at): Declare.
11478 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11479 to unsigned HOST_WIDE_INT *.
11480 (overlap_subvar): Likewise.
11481 * tree-gimple.c (is_gimple_reg): Always return false for
11482 SFTs and memory tags.
11483 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11484 Update all callers.
11485 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11486 (compute_may_aliases): Call compute_points_to_sets.
11487 (collect_points_to_info_for): Remove.
11488 (compute_points_to_and_addr_escape): Remove.
11489 (delete_alias_info): Call delete_points_to_sets.
11490 (compute_flow_sensitive_aliasing): If the call to
11491 find_what_p_points_to returns false, call set_pt_anything.
11492 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11493 (set_pt_anything): Clear pi->pt_vars.
11494 (set_pt_malloc): Remove.
11495 (merge_pointed_to_info): Remove.
11496 (add_pointed_to_expr): Remove.
11497 (add_pointed_to_var): Remove.
11498 (collect_points_to_info_r): Remove.
11499 (is_escape_site): Make extern.
11501 (create_overlap_variables_for): Call it.
11502 * tree-ssa-copy.c (merge_alias_info): Never merge
11503 flow-sensitive alias information.
11504 * tree-ssa-operands.c (get_expr_operands): Adjust variables
11505 offset and size to be unsigned HOST_WIDE_INT.
11506 (add_to_addressable_set): Rename from note_addressable.
11507 Set TREE_ADDRESSABLE as the variables are added to the set.
11509 (add_stmt_operand): Do not try to micro-optimize unmodifiable
11510 operands into VUSEs when adding V_MAY_DEFs for members in an
11512 * tree-ssa-operands.h (add_to_addressable_set): Declare.
11513 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11514 (struct variable_info): Add bitfield is_heap_var.
11515 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11516 (new_var_info): Initialize is_heap_var.
11517 (get_constraint_for): Add HEAP variables to the symbol table.
11518 Mark them with is_heap_var.
11519 (update_alias_info): New. Taken mostly from the old
11520 compute_points_to_and_addr_escape.
11521 (handle_ptr_arith): New.
11522 (find_func_aliases): Call update_alias_info.
11523 Call handle_ptr_info for tcc_binary expressions.
11524 Call mark_stmt_modified.
11525 (create_variable_info_for): If DECL has subvars, do not create
11526 variables for its subvars. Always add all the fields.
11527 (set_uids_in_ptset): If the solution includes ANYOFFSET and
11528 SFTs, then add all the SFTs of the structure.
11529 If VI->DECL is an aggregate with subvariables, add the SFT at
11531 (find_what_p_points_to): If VI is an artificial variable,
11532 translate to bitfields in SSA_NAME_PTR_INFO.
11533 If the solution is empty, set pi->pt_vars to NULL
11534 (init_base_vars): Create ANYOFFSET.
11535 (compute_points_to_sets): Rename from create_alias_vars.
11537 (pass_build_pta): Remove.
11538 (delete_points_to_sets): Rename from delete_alias_vars.
11539 (pass_del_pta): Remove.
11540 * tree-ssa-structalias.h (struct alias_info): Move from
11542 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11543 NUM_REFERENCES_SET): Likewise.
11544 (compute_points_to_sets, delete_points_to_sets): Declare.
11546 2005-07-09 Richard Henderson <rth@redhat.com>
11548 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11549 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11550 alpha_split_lock_test_and_set_12): New functions.
11551 * config/alpha/alpha-protos.h: Update.
11552 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11553 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11554 * config/alpha/sync.md (I12MODE): New.
11555 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11556 (sync_<fetchop_name><I48MODE>): Likewise.
11557 (sync_nand<I48MODE>): Likewise.
11558 (sync_old_<fetchop_name><I48MODE>): Likewise.
11559 (sync_new_<fetchop_name><I48MODE>): Likewise.
11560 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11561 (sync_compare_and_swap<I48MODE>): Likewise.
11562 (sync_lock_test_and_set<I48MODE>): Likewise.
11563 (sync_compare_and_swap<I12MODE>): New.
11564 (sync_compare_and_swap<I12MODE>_1): New.
11565 (sync_lock_test_and_set<I12MODE>): New.
11566 (sync_lock_test_and_set<I12MODE>_1): New.
11568 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11572 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11574 2005-07-09 Jakub Jelinek <jakub@redhat.com>
11576 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11577 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11579 2005-07-09 Richard SAndiford <richard@codesourcery.com>
11582 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11584 2005-07-08 David Edelsohn <edelsohn@gnu.org>
11586 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11587 memory_operand constraint.
11588 (store_conditional_<mode>): Same.
11589 (sync_compare_and_swap<mode>): Same.
11590 (sync_lock_test_and_set<mode>): Same.
11592 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
11594 Rewrite PIC support to more closely model actual instructions.
11595 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11596 (cris_symbol): Remove prototypes for removed functions.
11597 (cris_pic_symbol_type_of, cris_valid_pic_const)
11598 (cris_expand_pic_call_address): Prototypes for new functions.
11599 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11601 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11603 <case ':'>: Add case for new punctuation character.
11604 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11605 emitting (extra) PIC modifier.
11606 <case UNSPEC>: Do not assert for PLT.
11607 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11608 (cris_expand_prologue, cris_expand_epilogue): Check
11609 for pic_offset_table_rtx usage instead of taking
11610 current_function_uses_pic_offset_table as the final word.
11611 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11612 Remove flag_pic difference.
11613 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11614 the moral equivalents of...
11615 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11617 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11618 (cris_handle_option): Mark ARG as unused.
11619 (cris_expand_pic_call_address): New worker function for "call",
11621 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11622 output PIC constructs here.
11623 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11624 as symbol-specific modifers, not whole or part of operands.
11625 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11626 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11627 constants and flag_pic.
11628 (CONSTANT_INDEX_P): Adjust for new functions.
11629 (enum cris_pic_symbol_type): New helper type.
11630 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11631 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11632 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11634 ("movsi"): Emit actual instructions for GOT and relative access.
11635 ("*movsi_got_load"): New pattern to set up the register holding
11637 ("*movsi_internal"): Operand 1 is not a plain general_operand.
11638 Adjust FIXME for 'S'.
11639 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11640 Use "movs" for -fpic cases.
11641 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11642 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11643 ("call", "call_value"): Just call cris_expand_pic_call_address for
11645 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11646 Remove special pattern.
11647 ("*expanded_call_side", "*expanded_call_value_side"): New
11649 (gotplt-to-plt, gotplt-to-plt-side-call)
11650 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11652 * config/cris/cris/predicates.md
11653 ("cris_general_operand_or_gotless_symbol"): Remove unused
11655 ("cris_general_operand_or_symbol"): Adjust for new functions.
11657 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11659 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11661 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
11663 * Makefile.in (TREE_H): Add treestruct.def.
11664 (c-decl.o): Add pointer-set.h
11665 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11666 visibility on regular DECL's.
11667 (merge_decls): Fix the copying of decl nodes of various types for
11668 the new structures. Don't update RTL, section name, weak status,
11669 etc, on DECL's without RTL.
11670 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11671 Don't check volatile on non-variable types.
11672 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11673 to check whether we have seen arguments.
11674 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11675 flag is checked before field (flag is common, field is not).
11676 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
11677 TS_DECL_COMMON could have an origin.
11678 (add_location_or_const_value_attribute): Don't check section name
11679 on non-var/function decls.
11680 (dwarf2out_var_location): Reverse order of tests.
11681 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11682 with DECL_WRTL_CHECK.
11683 * expmed.c (make_tree): rtl is now in decl_with_rtl.
11684 * fold-const.c (fold_binary): Don't check weakness on
11685 non-var/function decls.
11686 (tree_expr_nonzero_p): Ditto.
11687 (fold_checksum_tree): Use tree_decl_extra as sizeof
11689 * ggc-page.c (extra_order_size_table): Add sizes for
11690 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
11692 * gimplify.c (gimplify_bind_expr): Only set
11693 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11694 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11696 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11697 * langhooks.h (init_ts). New langhook.
11698 * passes.c (rest_of_decl_compilation): Reverse order of tests.
11699 * print-tree.c (print_node): Update to only print fields that
11700 exist in the structures the passed decl has.
11701 * toplev.c (wrapup_global_declarations): Don't reset
11702 DECL_DEFER_OUTPUT on DECL's that don't contain it.
11703 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11704 * tree-inline.c (remap_decl): Ditto.
11705 * tree-outof-ssa.c (create_temp): Reverse order of tests.
11706 * tree-pretty-print.c (print_declaration): Don't print
11707 DECL_REGISTER on things that don't contain it.
11708 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11709 non-var/function decls.
11710 * tree.c (tree_contains_struct): New structure.
11711 (init_priority_for_decl): New hashtable.
11712 (tree_int_map): New structure.
11713 (tree_int_map_eq): New function.
11714 (tree_int_map_marked_p): Ditto.
11715 (tree_int_map_hash): Ditto.
11716 (tree_map): Move to tree.h.
11717 (tree_map_eq): Externalize.
11718 (tree_map_hash): Ditto.
11719 (tree_map_marked_p): Ditto.
11720 (init_ttree): Set up tree_contains_struct and call langhook.
11721 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11722 (tree_code_size): Update for new structures.
11723 (tree_node_structure): Update for new structures.
11724 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11726 (copy_node_stat): Copy init priority.
11727 (build_decl_stat): Ditto for visibility.
11728 (ts_enum_names): New.
11729 (tree_contains_struct_check_failed): New function.
11730 (decl_init_priority_lookup): Ditto.
11731 (decl_init_priority_insert): Ditto.
11732 * treestruct.def: New file.
11733 * tree.h (CODE_CONTAINS_STRUCT): New macro.
11734 (CONTAINS_STRUCT_CHECK): Ditto.
11735 (tree_contains_struct_check_failed): New prototype.
11736 (DECL_CHECK): Removed.
11737 (DECL_MINIMAL_CHECK): New.
11738 (DECL_COMMON_CHECK): Ditto.
11739 (DECL_WRTL_CHECK): Ditto.
11740 (DECL_NON_COMMON_CHECK): Ditto.
11741 (DECL_WITH_VIS_CHECK): Ditto.
11742 (VAR_OR_FUNCTION_DECL_P): Ditto
11743 (struct tree_decl_minimal): New structure.
11744 (struct tree_decl_common): Ditto.
11745 (struct tree_decl_with_rtl): Ditto.
11746 (struct tree_decl_with_vis): Ditto.
11747 (struct tree_decl_non_common): Ditto.
11748 (struct tree_field_decl): Ditto.
11749 (struct tree_parm_decl): Ditto.
11750 (struct tree_var_decl): Ditto.
11751 (struct tree_function_decl): Ditto.
11752 (struct tree_const_decl): Ditto.
11753 (struct tree_result_decl): Ditto.
11754 (union tree_node): Add new structures.
11755 * var-tracking.c (track_expr_p): Reverse order of tests.
11757 * doc/c-tree.texi: Add documentation on DECL node internal structure.
11759 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11761 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11762 * system.h: Poison FINALIZE_PIC.
11763 * doc/tm.texi (FINALIZE_PIC): Remove.
11765 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11768 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11769 to the correct type if we have a MODIFY_EXPR.
11771 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11773 PR tree-optimization/22360
11774 * tree.c (upper_bound_in_type): Fix calculations for casting
11775 to a non-wider signed type and casting a signed value to a
11776 wider unsigned type.
11777 (lower_bound_in_type): Fix calculations for casting to a
11778 non-wider signed type.
11780 PR tree-optimization/20139
11781 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11783 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11784 fold_cond_expr_cond.
11785 * tree-ssanames.c (release_defs): Assert in_ssa_p.
11786 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11788 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11791 * tree-complex.c (expand_complex_libcall): Produce
11792 REALPART_EXPR/IMAGPART_EXPR with the correct type.
11794 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
11796 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11797 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11798 b" assert and inserted fastpath code for this case.
11799 (bitmap_ior): Removed "a != b" assert.
11801 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11803 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11804 (ENDFILE_SPEC): Likewise.
11805 * config/m32r/m32r.h (ASM_SPEC): Likewise.
11807 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11808 a large stack frame at epilogue.
11810 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
11812 * final.c: Include sdbout.h when required.
11814 2005-07-07 Geoffrey Keating <geoffk@apple.com>
11816 * config.gcc (*-*-darwin*): Only one target-specific header file
11817 for generic darwin.
11818 (powerpc-*-darwin*): Add version-specific header files.
11819 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11820 * config.in: Regenerate.
11821 * configure: Regenerate.
11822 * gcc.c: Include xregex.h.
11823 (version_compare_spec_function): New.
11824 (spec_function): Add version-compare.
11825 (replace_outfile_spec_function): Reformat comment.
11826 (compare_version_strings): New.
11827 * config/darwin-c.c (version_as_macro): New.
11828 (builtin_define): New.
11829 (darwin_cpp_builtins): New.
11830 * config/darwin-protos.h (darwin_cpp_builtins): New.
11831 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11832 (LIB_SPEC): Make unconditional, update comment.
11833 (TARGET_C99_FUNCTIONS): Define.
11834 * config/darwin.opt: Sort.
11835 (mmacosx-version-min=): New.
11836 * config/darwin7.h: Delete.
11837 * config/darwin8.h: Delete.
11838 * config/i386/darwin.h (): Call darwin_cpp_builtins.
11839 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11840 (TARGET_C99_FUNCTIONS): Define.
11841 * config/rs6000/darwin7.h: New.
11842 * config/rs6000/darwin8.h: New.
11843 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11844 (-mmacosx-version-min): Document.
11846 2005-07-07 Ian Lance Taylor <ian@airs.com>
11848 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11850 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
11852 PR middle-end/22239
11853 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11855 2005-07-07 Khem Raj <kraj@mvista.com>
11857 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11858 in bytes, not words.
11860 2005-07-07 Paul Brook <paul@codesourcery.com>
11862 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11863 DEFAULT_FUNCTION_ARG_PADDING to upward.
11865 2005-07-07 Richard Henderson <rth@redhat.com>
11867 * function.c (locate_and_pad_parm): Record parameter alignment in
11868 stack_alignment_needed.
11870 2005-07-07 David Edelsohn <edelsohn@gnu.org>
11872 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11873 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11874 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11875 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11876 (define_attr "type"): Add isync, sync, load_l, store_c.
11877 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11878 Create scratch volatile MEM.
11879 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
11881 (load_locked_<mode>): New.
11882 (store_conditional_<mode>): New.
11883 (sync_compare_and_swap<mode>): Replace with splitter.
11884 (sync_lock_test_and_set<mode>): Replace with splitter.
11885 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11887 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
11888 is ics. Attribute isync.
11889 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
11891 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11892 and UNSPECV_SYNC_OP.
11893 (emit_unlikely_jump): New.
11894 (emit_load_locked): New.
11895 (emit_store_conditional): New.
11896 (rs6000_split_compare_and_swap): New.
11897 (rs6000_split_lock_test_and_set): New.
11898 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11899 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11900 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11901 rs6000_split_lock_test_and_set): Declare.
11902 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11903 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11904 store_c, isync, sync.
11906 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
11908 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11909 filenames to gtyp-gen.h.
11910 (s-typ-gen): Use it in place of for loops.
11912 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
11914 * hooks.c (hook_bool_rtx_int_false): New function.
11915 * hooks.h (hook_bool_rtx_int_false): Declare.
11916 * target-def.h (TARGET_COMMUTATIVE_P): Define.
11917 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11918 * target.h (struct gcc_target): Add commutative_p member.
11919 * targhooks.c (hook_bool_rtx_commutative_p): New function.
11920 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11921 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11922 (pa_commutative_p): New function.
11923 * jump.c (target.h): Include.
11924 (rtx_renumbered_equal_p): Use targetm.commutative_p.
11925 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11927 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11929 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11930 (s390_expand_setmem): New.
11931 * config/s390/s390.c: Likewise.
11932 (print_shift_count_operand): Truncate to 12 bits instead of 6.
11934 * config/s390/s390.md: ("setmem<mode>"): Accept character as
11935 general_operand. Call new function "s390_expand_setmem".
11936 ("clrmem_long", "*clrmem_long"): Rewrite to ...
11937 ("setmem_long", "*setmem_long"): ... this.
11939 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11941 * config/s390/s390.c: (optimization_options): Enable
11942 TARGET_MVCLE at -Os.
11943 * doc/invoke.texi: Document changes in default behaviour.
11944 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11946 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11948 * expr.c: (set_storage_via_setmem): Convert opchar to mode
11949 defined by back-end.
11951 2005-07-07 Jakub Jelinek <jakub@redhat.com>
11953 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11954 all sets in the pattern.
11955 * config/rs6000/rs6000.md (stack_protect_testsi,
11956 stack_protect_testdi): Likewise.
11958 2005-07-06 Jeff Law <law@redhat.com>
11960 * tree-vrp.c (simplify_using_ranges): Kill.
11961 (vrp_finalize): Remove call to simplify_using_ranges.
11962 (simplify_stmt_using_ranges): New function extracted from
11963 simplify_using_ranges.
11964 (simplify_div_or_mod_using_ranges): Likewise.
11965 (simplify_abs_using_ranges): Likewise.
11966 (simplify_cond_using_ranges): New function.
11967 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11968 * tree-ssa-propagate.c (substitute_and_fold): Call
11969 simplify_stmt_using_ranges if we have range information.
11971 2005-07-06 James E. Wilson <wilson@specifixinc.com>
11973 * config/ia64/ia64.c (ia64_reorg): Check optimize before
11974 ia64_flag_schedule_isns2.
11976 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11977 reading/writing general registers.
11978 (ia64_function_arg): Revert 2005-06-18 change.
11980 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
11982 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11983 (legitimize_tls_address): Use gcc_unreachable instead of abort.
11985 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
11987 * function.c (expand_function_end): Revert part of 2005-06-27
11988 patch. Do sjlj_emit_function_exit_after after return_label.
11990 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
11992 * doc/install.texi (--disable-libssp): New.
11994 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
11996 * doc/invoke.texi: Update -fforce-mem documentation.
11997 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11998 code for -fforce-mem.
11999 * expmed.c: (store_bit_field,store_fixed_bit_field,
12000 extract_bit_field): Ditto.
12001 * expr.c: (convert_move): Ditto.
12002 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
12003 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
12004 emit_conditional_add,expand_float,expand_fix): Ditto.
12005 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
12006 (common_handle_option): Issue warning when -fforce-mem specified.
12008 2005-07-06 Paul Brook <paul@codesourcery.com>
12010 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
12012 * configure: Regenerate.
12014 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
12016 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
12018 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
12020 Fix PR tree-optimization/22319
12021 Fix PR tree-optimization/22140
12022 Fix PR tree-optimization/22310
12024 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
12025 variable sized types.
12026 Use correct type for intermediate structure on *a = *b structure
12029 2005-07-06 Jakub Jelinek <jakub@redhat.com>
12031 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
12033 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
12034 (machine_function): Move typedef to...
12035 * config/rs6000/rs6000.c (machine_function): ... here. Add
12036 varargs_save_offset field.
12037 (rs6000_stack_t): Remove varargs_size field.
12038 (setup_incoming_varargs): Allocate varargs save area using
12039 assign_stack_local, try to make it as small as possible.
12040 Save offset from virtual_stack_vars_rtx to the save area
12041 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
12042 instead of magic 8 when fp word byte size is used.
12043 (rs6000_va_start): Use cfun->machine->varargs_save_offset
12044 instead of -RS6000_VARARGS_SIZE.
12045 (rs6000_stack_info, debug_stack_info,
12046 rs6000_initial_elimination_offset): Remove all traces of
12048 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
12049 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
12050 RS6000_VARARGS_AREA.
12052 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
12054 PR tree-optimization/21963
12055 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
12056 constant_multiple_of in the same way get_computation_cost_at does.
12058 2005-07-06 Jakub Jelinek <jakub@redhat.com>
12060 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
12061 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
12062 (gen_compare_reg): If sparc_compare_emitted is set, clear it
12063 and return its previous value.
12064 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
12065 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
12067 (stack_protect_set, stack_protect_test): New expanders.
12068 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
12069 stack_protect_testdi): New insns.
12070 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12071 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
12073 2005-07-06 Jeff Law <law@redhat.com>
12075 * tree-ssa-dce.c (cfg_altered): New global.
12076 (tree_dce_init): Initialize cfg_altered.
12077 (remove_dead_stmt): If we remove an edge in the CFG, then set
12079 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
12082 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
12084 * Makefile.in (stamp-collect-ld): Use
12085 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
12086 ./collect-ld if it already exists.
12087 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
12088 Don't remove ./nm if it already exists.
12090 2005-07-05 Devang Patel <dpatel@apple.com>
12092 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
12093 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
12094 * tree-vectorizer.c (vect_loop_location): New.
12095 (vect_print_dump_info): Use vect_loop_location.
12096 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
12097 (vectorize_loops): Set vect_loop_location.
12098 * tree-vect-analyze.c (vect_analyze_offset_expr,
12099 vect_determin_vectorization_factor, vect_analyze_operations,
12100 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
12101 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
12102 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
12103 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
12104 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
12105 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
12106 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
12107 vect_analyze_loop): Adjust vect_print_dump_info API.
12108 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12109 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
12110 vect_finish_stmt_generation, vectorizable_assignment,
12111 vectorizable_operation, vectorizable_store, vectorizable_load,
12112 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
12113 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
12114 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
12115 vect_transform_loop): Same.
12116 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
12117 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
12120 2005-07-05 Randolph Chung <tausq@debian.org>
12122 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
12123 * configure: Regenerate.
12124 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
12125 (pa_tls_referenced_p): Declare.
12126 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
12127 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
12128 (legitimize_tls_address): New.
12129 (hppa_legitimize_address): Handle TLS addresses.
12130 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
12131 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
12132 (emit_move_sequence): Handle TLS addresses.
12133 (pa_encode_section_info): Call default handler to handle common
12135 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
12136 (CONSTANT_ADDRESS_P): Reject TLS operands.
12137 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
12138 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
12139 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
12140 (UNSPEC_TLSLE): Define new constants.
12141 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
12142 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
12143 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
12144 (tie_symbolic_operand, tle_symbolic_operand): New
12146 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
12148 * aclocal.m4: Update macros for autoconf 2.59 style.
12149 * configure.ac: Likewise.
12151 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12153 * pa.c (function_value): Handle small aggregates on 32-bit targets.
12154 (function_arg): Pass small aggregates in general registers on 32-bit
12156 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
12158 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
12160 * Makefile.in (final.o): Fix dependencies.
12162 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
12166 * langhooks.h (struct lang_hooks): Add expr_to_decl.
12167 * langhooks.c (lhd_expr_to_decl): New.
12168 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
12170 (LANG_HOOKS_INITIALIZER): Update.
12171 * tree.c (recompute_tree_invarant_for_addr_expr): Call
12172 expr_to_decl langhook.
12173 * c-tree.h (c_expr_to_decl): Declare.
12174 * c-typeck.c (c_expr_to_decl): New.
12175 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
12177 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
12179 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
12182 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
12183 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
12185 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
12187 * Makefile.in: Adjust dependencies.
12188 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
12189 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
12190 * alias.c (rest_of_handle_cfg, pass_cfg): New.
12191 * bb-reorder.c (duplicate_computed_gotos): Make it static.
12192 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
12193 rest_of_compilation.
12195 * bb-reorder.c (gate_duplicate_computed_gotos,
12196 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
12197 rest_of_handle_reorder_blocks, pass_reorder_blocks,
12198 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
12199 pass_partition_blocks): New.
12200 * bt-load.c (gate_handle_branch_target_load_optimize,
12201 rest_of_handle_branch_target_load_optimize,
12202 pass_branch_target_load_optimize): New.
12203 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
12205 * cfglayout.c (pass_insn_locators_initialize): New.
12206 * cfgrtl.c (pass_free_cfg): New.
12207 * combine.c (gate_handle_combine, rest_of_handle_combine,
12208 pass_combine): New.
12209 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
12210 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
12211 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
12212 * except.c (pass_set_nothrow_function_flags,
12213 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
12215 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
12216 rest_of_handle_shorten_branches, pass_shorten_branches,
12217 rest_of_clean_state, pass_clean_state): New.
12218 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
12219 rest_of_handle_remove_death_notes, pass_remove_death_notes,
12220 rest_of_handle_life, pass_life, rest_of_handle_flow2,
12222 * function.c (pass_instantiate_virtual_regs, pass_init_function,
12223 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
12224 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
12225 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
12227 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
12228 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
12229 pass_rtl_ifcvt, gate_handle_if_after_combine,
12230 rest_of_handle_if_after_combine, pass_if_after_combine,
12231 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
12232 pass_if_after_reload): New.
12233 * integrate.c (pass_initial_value_sets): New.
12234 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
12235 pass_purge_lineno_notes): New.
12236 * mode-switching.c (rest_of_handle_mode_switching,
12237 pass_mode_switching): New.
12238 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
12239 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
12241 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
12242 pass_loop_optimize): New.
12243 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
12245 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
12247 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
12248 pass_postreload_cse): New.
12249 * profile.c (gate_handle_profiling, pass_profiling,
12250 rest_of_handle_branch_prob, pass_branch_prob): New.
12251 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
12252 pass_split_before_regstack, gate_handle_split_before_regstack,
12253 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
12254 rest_of_handle_split_all_insns, pass_split_all_insns): New.
12255 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
12256 pass_stack_regs): New.
12257 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
12258 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
12259 pass_stack_adjustments): New.
12260 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
12261 pass_regrename): New.
12262 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
12263 pass_delay_slots, gate_handle_machine_reorg,
12264 rest_of_handle_machine_reorg, pass_machine_reorg): New.
12265 * rtl.h (extern void purge_line_number_notes): New.
12266 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
12267 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
12269 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
12271 * value-prof.c (gate_handle_value_profile_transformations,
12272 rest_of_handle_value_profile_transformations,
12273 pass_value_profile_transformations): New.
12274 * var-tracking.c (gate_handle_var_tracking,
12275 pass_variable_tracking): New.
12276 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
12278 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
12279 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
12280 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
12281 rest_of_handle_old_regalloc, rest_of_handle_regrename,
12282 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
12283 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
12284 rest_of_handle_gcse2, rest_of_handle_regmove,
12285 rest_of_handle_tracer, rest_of_handle_if_conversion,
12286 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
12287 rest_of_handle_web, rest_of_handle_branch_prob,
12288 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
12289 rest_of_handle_jump_bypass, rest_of_handle_combine,
12290 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12291 rest_of_handle_gcse, rest_of_handle_loop_optimize,
12292 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
12293 rest_of_handle_mode_switching, rest_of_handle_jump,
12294 rest_of_handle_eh, rest_of_handle_stack_adjustments,
12295 rest_of_handle_flow2, rest_of_handle_jump2,
12296 rest_of_handle_peephole2, rest_of_handle_postreload,
12297 rest_of_handle_shorten_branches, rest_of_clean_state,
12298 rest_of_compilation): Remove.
12300 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
12301 * passes.c (dump_flags, in_gimple_form, all_passes,
12302 all_ipa_passes, all_lowering_passes, register_one_dump_file,
12303 register_dump_files, next_pass_1, last_verified, execute_todo,
12304 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
12305 from tree-optimize.c.
12306 (init_optimization_passes): Moved from tree-optimize.c,
12307 adding the RTL optimizations.
12308 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
12309 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
12310 all_ipa_passes, all_lowering_passes, register_one_dump_file,
12311 register_dump_files, next_pass_1, last_verified, execute_todo,
12312 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
12313 init_tree_optimization_passes, ipa_passes): Delete.
12314 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
12316 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
12317 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
12319 (ipa_passes): Remove.
12320 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
12321 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
12322 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
12323 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
12324 (dump_info_p, dump_flag): Moved to tree-dump.h.
12326 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
12328 * passes.c (finish_optimization_passes): Use dump_begin
12329 and dump_end, TDI_end.
12330 (gate_rest_of_compilation): New.
12331 (pass_rest_of_compilation): Use it.
12332 (gate_postreload, pass_postreload): New.
12333 * toplev.c (general_init): Rename init_tree_optimization_passes.
12334 * toplev.h (init_tree_optimization_passes): Rename to
12335 init_optimizations_passes.
12336 * tree-dump.c (dump_flag): Make static.
12337 (dump_files): Remove RTL dumps.
12338 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
12339 pass_cleanup_cfg, pass_free_cfg_annotations,
12340 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
12341 pass_init_datastructures, pass_fixup_cfg): Make non-static.
12342 * tree-pretty-print.c: Include tree-pass.h.
12343 * cgraph.c: Include tree-dump.h.
12345 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
12347 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
12348 Only fall back to saying it points to readonly memory if
12349 we can't do better.
12351 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
12353 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
12354 * config/m32r/m32r.c (m32r_compute_frame_size,
12355 m32r_expand_prologue): Take current_function_profile into
12356 account whenever we reference
12357 current_function_uses_pic_offset_table.
12358 (m32r_finalize_pic): Remove.
12359 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
12361 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
12363 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
12364 instead of $<. Don't remove ./as if it already exists.
12366 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12369 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
12370 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
12371 for complex modes when generating code for PA 1.0.
12372 (VALID_FP_MODE_P): New macro.
12373 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
12374 sets for all general and floating point modes. Align wide floating
12375 point modes to even register boundaries to comply with architectural
12377 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
12378 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
12379 (VALID_FP_MODE_P): New macro.
12380 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
12381 sets for all general and floating point modes. Align wide floating
12382 point modes to even register boundaries to comply with architectural
12385 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12387 * tree-dump.c (dump_files): Initialize dump number for .cgraph
12390 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12392 * tree-ssa-structalias.c: Don't include expr.h.
12394 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12396 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
12399 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
12401 Fix PR tree-optimization/22279
12403 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
12406 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
12408 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
12410 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
12412 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
12413 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
12414 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
12415 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
12416 config/stormy16/stormy16.c, config/v850/v850.c,
12417 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
12418 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
12419 Avoid "." or "\n" at end of diagnostics and capital letters at
12420 start of diagnostics.
12421 * combine.c, cse.c: Don't translate dump file output.
12422 * toplev.c (print_version): Only translate output if going to
12425 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
12427 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
12428 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
12431 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12433 * pa.c (fix_range): Fix typo in comment.
12435 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
12437 * tree-vrp.c (extract_range_from_assert): Replace
12438 fold (build (...)) with fold_build2.
12440 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12442 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
12443 gcc_gfc_char_table, init_dynamic_gfc_info): New.
12444 (format_types_orig, handle_format_attribute): Add support for
12447 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
12449 * varasm.c (assemble_variable): Fix format specifier thinko.
12451 2005-07-03 Ira Rosen <irar@il.ibm.com>
12453 PR tree-optimization/22029 (and 22135)
12454 * tree-pretty-print.c (dump_generic_node): Check that the node is not
12455 a phi node before calling dump_vops.
12457 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
12459 * tree-dump.h (dump_string_field): Declare.
12460 * tree-dump.c: Use it instead of dump_string.
12461 (dump_string_field): Make non-static.
12463 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
12465 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
12466 up the minimal CFG stuff always when optimize > 0. Call
12467 split_all_insns_noflow in PIC case if needed.
12469 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
12470 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
12473 * c-decl.c (c_write_global_declarations): Dump contents of
12475 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12476 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12477 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12478 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12481 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
12483 * c-common.h (GCC_DIAG_STYLE): Define.
12484 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
12485 version for format checking to 4.1.
12486 * c-format.c: Include toplev.h after c-common.h.
12487 (enum format_type): Add gcc_tdiag_format_type.
12488 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12489 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12490 (format_types_orig): Add gcc_tdiag.
12491 (init_dynamic_diag_info): Support gcc_tdiag formats.
12492 (handle_format_attribute): Likewise.
12493 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12494 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
12495 version for format checking to 4.1.
12496 (warning0, warning, error, pedwarn, sorry): Use
12497 ATTRIBUTE_GCC_DIAG.
12498 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12499 (finish_aliases_1): Do not use %qE.
12500 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12501 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12502 Correct format bugs.
12503 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12504 parameter to unsigned HOST_WIDE_INT.
12505 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12507 2005-07-02 David Edelsohn <edelsohn@gnu.org>
12509 PR middle-end/21742
12510 * expr.c (write_complex_part): Use adjust_address for MEM.
12511 (read_complex_part): Same.
12513 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
12515 Fix PR tree-optimization/22280
12517 * tree-sra.c (generate_element_init): Remove useless loop.
12519 2005-07-02 Richard Henderson <rth@redhat.com>
12521 * config/alpha/alpha.c (alpha_legitimize_address): Check for
12523 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12525 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
12527 PR middle-end/14490
12528 * fold-const.c (fold_binary): Handle the return value of
12529 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12530 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12532 2005-07-02 Jeff Law <law@redhat.com>
12534 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12535 a eliminate type conversion which feeds an equality comparison
12536 if the original type or either operand in the comparison is a
12539 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
12541 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12542 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12544 * config/avr/avr.c: Do not use '`' as left quote.
12545 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12546 Remove "." from end of diagnostics. Make diagnostics start with
12549 2005-07-02 Zack Weinberg <zack@codesourcery.com>
12550 Joseph S. Myers <joseph@codesourcery.com>
12552 * toplev.c (default_tree_printer): Handle setting location with
12554 * c-objc.common.c (c_tree_printer): Likewise.
12555 * c-format.c (gcc_diag_flag_specs): Add '+'.
12556 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12557 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12559 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12560 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12561 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12562 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12563 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12564 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
12565 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
12566 format arguments where %J is used without %D.
12568 2005-07-02 Jakub Jelinek <jakub@redhat.com>
12570 * gcc.c (LINK_SSP_SPEC): Define.
12571 (link_ssp_spec): New variable.
12572 (LINK_COMMAND_SPEC): Add %(link_ssp).
12573 (static_specs): Add link_ssp_spec.
12574 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12575 * configure: Rebuilt.
12576 * config.in: Rebuilt.
12578 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12579 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12580 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12581 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12582 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12583 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12584 -0x7008(2) instead of reading __stack_chk_guard variable.
12585 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12587 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12588 (stack_protect_set, stack_protect_test): Use *_tls* patterns
12589 if TARGET_THREAD_SSP_OFFSET is defined.
12590 (stack_tls_protect_set_si, stack_tls_protect_set_di,
12591 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12594 2005-06-27 Richard Henderson <rth@redhat.com>
12595 * libgcc-std.ver (GCC_4.1.0): New.
12596 * libgcc.h (__stack_chk_guard): Declare.
12597 (__stack_chk_fail, __stack_chk_fail_local): Declare.
12598 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12599 * mklibgcc.in (lib2funcs): Add them.
12601 2005-07-01 Richard Henderson <rth@redhat.com>
12603 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12604 void * before struct sigcontext *.
12605 (x86_fallback_frame_state): Likewise.
12607 2005-07-01 James E. Wilson <wilson@specifixinc.com>
12609 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12611 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12614 * tree-ssa-reassoc.c (should_transpose): Fix which operand
12615 we check for SSA_NAME for.
12617 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
12619 Fix PR tree-optimization/22071
12621 * tree-ssa-structalias.c (offset_overlaps_with_access): New
12623 (get_constraint_for_component_ref): Use it.
12625 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12628 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12629 print out the last new line.
12631 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
12633 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12634 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12635 * config/cris/cris.c (cris_conditional_register_usage): Adjust
12636 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12637 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12638 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12639 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12640 (enum reg_class): New member CC0_REGS.
12641 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12642 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12643 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12644 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12645 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12646 Adjust for register now described.
12648 2005-07-01 Jakub Jelinek <jakub@redhat.com>
12651 * config/i386/i386.md (stack_protect_test_si,
12652 stack_protect_test_di): Add earlyclobber for scratch 3.
12653 * config/rs6000/rs6000.md (stack_protect_testsi,
12654 stack_protect_testdi): Add earlyclobber for scratch 3,
12655 remove earlyclobber from scratch 4.
12657 Older entries for 2005 can be found in ChangeLog-2005.