1 2005-12-20 Kazu Hirata <kazu@codesourcery.com>
3 PR tree-optimization/25501
4 * tree-cfgcleanup.c (merge_phi_nodes): Check that RESULT is
5 used in the PHI argument corresponding to the edge from BB to
8 2005-12-20 Richard Guenther <rguenther@suse.de>
11 2005-12-02 Richard Guenther <rguenther@suse.de>
13 * tree-cfg.c (mark_used_vars): New function.
14 (dump_function_to_file): Dump only used VAR_DECLs.
16 2005-12-19 Roger Sayle <roger@eyesopen.com>
18 * combine.c (try_combine): Improve splitting of binary operators
19 by taking advantage of reassociative transformations.
21 2005-12-19 Jeff Law <law@redhat.com>
23 * tree-ssa-dom.c (thread_across_edge): Do not use local_fold.
24 Strip away all type conversions after simplifying the
27 * tree-cfgcleanup.c (merge_phi_nodes): Allow merging in some
28 cases the forwarder block dominates the destination.
30 2005-12-19 DJ Delorie <dj@redhat.com>
32 * reload1.c (spill_failure): Dump reload data to dump file.
33 (find_reload_regs): Likewise.
35 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
37 PR tree-optimization/24793
38 * tree-ssa-loop-ivopts.c (get_ref_tag): Remember the
39 original reference if there are subvars.
40 * tree-ssa-operands.c (get_tmr_operands): Handle subvars.
42 2005-12-19 Kenneth Zadeck <zadeck@naturalbridge.com>
44 * df.c (df_analyze_1, df_analyze_subcfg, iterative_dataflow):
45 Corrected basic block number calculations for changes in entry and
48 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
50 * tree-flow.h (struct var_ann_d): Change type of
51 may_aliases field to VEC(tree, gc) *.
52 (may_aliases): Declaration changed.
53 * tree-ssa-alias.c (group_aliases, add_may_alias,
54 replace_may_alias, dump_may_aliases_for,
55 is_aliased_with, add_type_alias, new_type_alias):
56 Work with VEC(tree, gc) * instead of varray.
57 * tree-flow-inline.h (may_aliases): Ditto.
58 * tree-ssa.c (verify_flow_insensitive_alias_info,
59 verify_name_tags): Ditto.
60 * tree-ssa-operands.c (add_stmt_operand): Ditto.
62 2005-12-19 J"orn Rennecke <joern.rennecke@st.com>
64 * cfgcleanup.c: Temporarily revert patches for PR 20070 till Bernd
67 2005-12-19 J"orn Rennecke <joern.rennecke@st.com>
69 * struct-equiv.c (struct_equiv_improve_checkpoint): Fix sets_cc0_p
72 2005-12-19 Ben Elliston <bje@au.ibm.com>
74 * doc/install.texi (Configuration): Typo in Fortran subheading.
76 2005-12-19 Nathan Sidwell <nathan@codesourcery.com>
78 * config/mt/mt.md (decrement_and_branch_until_zero): Add another
79 scratch. Correct its reload split. Adjust its peephole.
80 (doloop_end): Add additional scratch.
82 * config/mt/mt.c (MT_INT_ARG_FIRST): Remove.
83 (mt_asm_output_opcode, mt_print_operand): Use 'nop'.
84 (mt_function_arg_slotno): Use FIRST_ARG_REGNUM.
85 (mt_builtin_saveregs): Replace with ...
86 (mt_setup_incoming_varargs): ... here. Save just the varadic
88 (mt_va_start): Remove.
89 (mt_reorg_hazard): Ignore USE insns. Don't call set_noop_p.
90 (mt_machine_reorg): Split all insns here.
91 (TARGET_SETUP_INCOMING_VARARGS): Override.
92 * config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only.
94 (EXPAND_BUILTIN_VA_START): Remove.
96 2005-12-17 Kenneth Zadeck <zadeck@naturalbridge.com>
98 * flow.c (update_life_info, count_or_remove_death_notes): Fixed
99 latent bug that could happen if update_life_info was called with a
100 blocks parameter and the call to cleanup_cfg actually deleted one
103 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
105 * tree-ssa-structalias.c (update_alias_info): Remove handling
106 of may_be_aliased (SSA_NAME_VAR (op)) case.
108 2005-12-19 Zdenek Dvorak <dvorakz@suse.cz>
110 * tree-flow.h (struct stmt_ann_d): Remove
111 makes_aliased_loads and makes_aliased_stores fields.
112 * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores
113 and makes_aliased_loads fields.
114 * tree-ssa-dom.c (eliminate_redundant_computations): Do not
115 use makes_aliased_stores.
116 * tree-ssa-operands.c (clobbered_aliased_loads,
117 clobbered_aliased_stores, ro_call_aliased_loads): Removed.
118 (build_ssa_operands, add_stmt_operand, add_call_clobber_ops,
119 add_call_read_ops): Do not set makes_aliased_stores and
120 makes_aliased_loads fields.
121 * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores
124 2005-12-18 Geoffrey Keating <geoffk@apple.com>
126 * config/darwin.h: Don't include darwin-sections.def to declare
127 global variables; instead create darwin_section_enum.
128 (darwin_section_enum): New.
129 (darwin_sections): New.
130 * config/darwin.c: Don't include darwin-sections.def to define
132 (darwin_sections): New.
133 (output_objc_section_asm_op): Rewrite to take advantage of
135 (darwin_init_sections): Rewrite to use darwin_sections.
136 (machopic_output_indirection): Update for darwin_sections array.
137 (machopic_select_section): Likewise.
138 (machopic_select_rtx_section): Likewise.
139 (machopic_asm_out_constructor): Likewise.
140 (machopic_asm_out_destructor): Likewise.
141 (darwin_file_end): Likewise.
142 * config/rs6000/rs6000.c (machopic_output_stub): Likewise.
143 * config/i386/i386.c (machopic_output_stub): Likewise.
145 2005-12-18 Richard Guenther <rguenther@suse.de>
147 PR tree-optimization/25481
148 * tree-ssa-structalias.c (handle_ptr_arith): Handle
149 accesses we don't have a varinfo for.
151 2005-12-17 Jon Grimm <jgrimm2@us.ibm.com>
152 Janis Johnson <janis187@us.ibm.com>
153 Ben Elliston <bje@au.ibm.com>
155 * optabs.c (init_floating_libfuncs): Handle decimal float modes.
156 (init_optabs): Handle libfuncs for decimal float.
157 * genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
158 * stor-layout.c (int_mode_for_mode): Likewise.
159 * simplify-rtx.c (simplify_immed_subreg): Likewise.
160 (simplify_unary_operation_1): Skip optimisations for decimal float
162 * varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
163 * emit-rtl.c (gen_const_vector): Add assertion check.
164 (init_emit_once): Populate const_tiny_rtx with constants in each
166 * expmed.c (extract_high_half, expand_mult_highpart_optab,
167 expand_mult_highpart): Assert that mode is not a scalar float
169 * expr.c (convert_move): Handle conversion between decimal and
170 binary floats of the same size.
171 * convert.c (convert_to_real): Consider decimal float types when
173 * dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
174 describe decimal floating point types.
176 2005-12-18 Ulrich Weigand <uweigand@de.ibm.com>
178 PR rtl-optimization/21041
179 * reload.c (find_reloads_subreg_address): Replace paradoxical
180 subreg of MEM by widened access only if the resulting memory
181 is properly aligned, even on !STRICT_ALIGNMENT targets.
183 2005-12-18 Andreas Krebbel <krebbel1@de.ibm.com>
185 * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.
187 2005-12-18 Steven Bosscher <stevenb@suse.de>
189 * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
190 the 2005-12-17 patch to renumber the entry and exit blocks.
192 2005-12-18 Gabriel Dos Reis <gdr@integrable-solutions.net>
194 * doc/objc.texi (Type encoding): Fix typo.
196 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
198 * tree-tailcall.c (find_tail_calls): Use XNEW.
199 * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
200 (free_all_edge_infos): Use explicit cast to convert from void *.
201 (vrp_free): Likewise.
202 (dom_opt_finalize_block): Likewise.
203 (record_equivalences_from_incoming_edge): Likewise.
204 (thread_across_edge): Likewise. Use XCNEWVEC.
205 (record_cond): Use XCNEW.
206 (record_conditions): Use XNEWVEC.
207 (record_edge_info): Use XCNEWVEC.
208 (lookup_avail_expr): Use XNEW.
209 (record_range): Likewise. Use GGC_NEW.
210 * tree-nested.c (var_map_hash): Use explicit cast to convert from
212 (var_map_eq): Likewise.
213 (lookup_field_for_decl): Likewise.
214 (convert_nonlocal_reference): Likewise.
215 (convert_local_reference): Likewise.
216 (convert_nl_goto_reference): Likewise.
217 (convert_nl_goto_receiver): Likewise.
218 (convert_call_expr): Likewise.
219 (convert_tramp_reference): Likewise.
220 (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
221 (convert_nl_goto_reference): Likewise.
222 (lookup_field_for_decl): Use GGC_NEW.
223 (create_nesting_tree): Use GGC_CNEW.
224 * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
225 * tree-ssa-alias.c (init_alias_info): Use XCNEW.
226 (create_alias_map_for): Likewise.
227 (setup_pointers_and_addressables): Use XCNEWVEC.
228 (get_ptr_info): Use GGC_NEW.
229 (used_part_map_eq): Use explicit cast to convert from void *.
230 (up_lookup): Likewise.
231 (up_insert): Use XNEW.
232 (get_or_create_used_part_for): Use XCNEW.
233 (get_tmt_for): Likewise.
234 * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
235 * tree-ssa-pre.c (phi_trans_add): Use XNEW.
236 (bitmap_set_new): Use explicit cast to convert from void *.
238 (insert_into_set): Likewise.
239 (pool_copy_list): Likewise.
240 (phi_translate): Likewise.
241 (create_value_expr_from): Likewise.
242 (insert_aux): Use XCNEWVEC.
243 (compute_avail): Use XNEWVEC.
244 * tree-ssa-live.c (calculate_live_on_entry): Likewise.
245 (sort_coalesce_list): Likewise.
246 (build_tree_conflict_graph): Use XCNEWVEC.
247 * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
248 * tree-ssa-copy.c (init_copy_prop): Likewise.
249 (fini_copy_prop): Likewise.
250 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
252 (record_equiv): Use XNEW.
253 (uncprop_into_successor_phis): Use explicit cast to convert from
255 (uncprop_initialize_block): Likewise.
257 2005-12-18 Dorit Nuzman <dorit@il.ibm.com>
259 PR tree-optimization/24378
260 * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
261 basic-block after loop-versioning.
263 2005-12-18 Jeff Law <law@redhat.com>
265 * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
266 to simplify SWITCH_EXPR_CODE moved from here to ...
267 * tree-ssa-forwprop.c (simplify_switch_expr): Here.
268 (tree-ssa-forward_propagate_single_use_vars): Call
269 simplify_switch_expr when appropriate.
271 2005-12-17 Andrew Pinski <pinskia@physics.uc.edu>
273 * doc/objc.texi (Type encoding): Add documentation about encoding
274 complex types and _Bool.
276 2005-12-17 Paul Brook <paul@codesourcery.com>
278 * config/m68k/m68k.md (m68k_output_function_prologue): Always call
279 dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
280 when frame_pointer_needed.
282 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
284 * tree-vn.c (vn_add): Use XNEW.
285 * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
286 (ccp_fold): Likewise.
287 (fold_stmt_r): Use explicit cast to convert from void *.
288 * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
289 (new_temp_expr_table): Likewise.
290 * gimplify.c (lookup_tmp_var): Use XNEW.
291 (gimplify_asm_expr): Use explcit cast to convert from void *.
292 * tree-into-ssa.c (get_ssa_name_ann): Likewise.
293 (get_def_blocks_for): Use XNEW.
294 (add_to_repl_tbl): Likewise.
295 (mark_def_sites): Use explicit cast to convert from void *.
296 (def_blocks_free): Likewise.
297 (mark_def_sites_initialize_block): Likewise.
298 (update_ssa): Use XNEWVEC.
299 * tree-dfa.c (create_var_ann): Use GGC_NEW.
300 (create_stmt_ann): Likewise.
301 (create_tree_ann): Likewise.
302 (referenced_var_insert): Likewise.
303 (set_default_def): Likewise.
304 (referenced_var_lookup_if_exists): Use explicit cast to convert
306 (referenced_var_lookup): Likewise.
307 (default_def): Likewise.
308 (set_default_def): Likewise.
309 * tree-cfg.c (create_bb): Likewise.
310 (edge_to_cases_cleanup): Likewise.
311 (verify_node_sharing): Likewise.
312 (record_switch_edge): Use XNEW.
313 (cleanup_dead_labels): Use XCNEWVEC.
314 (tree_duplicate_sese_region): Use XNEWVEC.
315 * tree-scalar-evolution.c (get_instantiated_value): Likewise.
316 * tree-ssa.c (verify_ssa): Use XCNEWVEC.
317 (int_tree_map_eq): Use explicit cast to convert from void *.
318 * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
319 (__gcov_execl): Likewise.
320 (__gcov_execlp): Likewise.
321 (__gcov_execle): Likewise.
322 * tree-eh.c (struct_ptr_eq): Likewise.
323 (struct_ptr_hash): Likewise.
324 (lookup_stmt_eh_region_fn): Likewise.
325 (outside_finally_tree): Likewise.
326 (find_goto_replacement): Likewise.
327 (make_eh_edge): Likewise.
328 (mark_eh_edge): Likewise.
329 (add_stmt_to_eh_region_fn): Use GGC_NEW.
330 (record_in_finally_tree): Use XNEW.
331 (maybe_record_in_goto_queue): Use XRESIZEVEC.
332 (lower_try_finally_copy): Use XCNEWVEC.
334 2005-12-17 Gabriel Dos Reis <gdr@integrable-solutions.net>
336 * tree-inline.c (copy_body_r): Use explicit cast when converting
339 (copy_edges_for_bb): Likewise.
340 (remap_decl_1): Likewise.
341 (estimate_num_insns_1): Likewise.
342 * cgraph.c (hash_node): Use explicit cast when converting from
345 (cgraph_create_node): Use GGC_CNEW.
346 (cgraph_create_edge): Use GGC_NEW.
347 (cgraph_remove_node): Use explicit cast when converting from void *.
348 (hash_varpool_node): Likewise.
349 (eq_varpool_node): Likewise.
350 (cgraph_varpool_node): Use GGC_CNEW.
351 * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
352 * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
353 (eq_scev_info): Use explicit cast when converting from void *.
354 (find_var_scev_info): Likewise.
355 (set_instantiated_value): Likewise.
356 (gather_stats_on_scev_database_1): Likewise.
357 * cfgloop.h (simple_loop_desc): Use explicit cast when converting
359 * c-pch.c (c_common_write_pch): Use XNEWVEC.
360 (c_common_read_pch): Likewise.
361 * prefix.c (save_string): Use XNEWVEC.
362 (translate_name): Use explicit cast when converting from void *.
363 * c-ppoutput.c (print_line): Use explicit cast when converting
365 (pp_dir_change): Likewise.
366 * c-cppbuiltin.c (builtin_define_std): Likewise.
367 (builtin_define_with_value): Likewise.
368 (builtin_define_with_value_n): Likewise.
369 (builtin_define_with_int_value): Likewise.
370 (builtin_define_type_max): Likewise.
371 * c-incpath.c (add_env_var_paths): Use XNEWVEC.
372 (add_path): Use XNEW.
373 * c-format.c (check_format_info_main): Use GGC_NEW.
374 (format_type_warning): Use explicit cast when converting from void *.
375 * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
377 (start_init): Likewise.
378 * tree-flow-inline.h (first_referenced_var): Use explicit cast
379 when converting from void *.
380 (next_referenced_var): Likewise.
381 * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
382 * gensupport.c (lookup_predicate): Use explicit cast to convert
384 (init_predicate_table): Use XCNEW instead of xcalloc.
385 * genpreds.c (process_define_predicate): Likewise.
387 2005-12-17 Danny Berlin <dberlin@dberlin.org>
388 Kenneth Zadeck <zadeck@naturalbridge.com>
390 * basic-block.h: Changed basic block numbering so that the entry
391 block is 0 and the exit block is 1. Changed insn iterators so
392 that they are tolerant of blocks with no insns.
393 * regrename.c (copyprop_hardreg_forward): Changed basic block
394 numbering so that the entry block is 0 and the exit block is 1.
395 * sched-ebb.c (sehedule_ebbs): Ditto.
396 * tracer.c (branch_ratio_cutoff): Ditto.
397 * cfgloopmanip.c (fix_loop_structure): Ditto.
398 * cfghooks.c (verify_flow_info): Ditto.
399 * cfg.c (compact_blocks): Ditto.
400 * reorg.c (dbr_schedule): Ditto.
401 * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
402 * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
403 calculate_dominance_info): Ditto.
404 * cfganal.c (create_edge_list, print_edge_list,
405 flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
406 flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
407 dfs_enumerate_from): Ditto.
408 * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
409 * ifcvt.c (find_if_case_2): Ditto.
410 * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
411 find_basic_blocks): Ditto.
412 * predict.c (predict_loops, tree_bb_level_predictions,
413 predict_paths_leading_to, propagate_freq): Ditto.
414 * lcm.c (compute_antinout_edge, compute_laterin,
415 compute_available): Ditto.
416 * function.c (thread_prologue_and_epilogue_insns): Ditto.
417 * gcse.c (gcse_main, bypass_jumps): Ditto.
418 * profile.c (compute_branch_probabilities,
419 compute_value_histograms, branch_prob): Ditto.
420 * tree-flow-inline.h (bsi_start, bsi_after_labels,
422 * tree-ssa-phiopt.c (tree_ssa_phiopt,
423 blocks_in_phiopt_order): Ditto.
424 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
425 compute_out, link_btr_uses, migrate_btr_defs): Ditto.
426 * tree-dfa.c (collect_dfa_stats): Ditto.
427 * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
428 * cfglayout.c (fixup_reorder_chain): Ditto.
429 * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
430 partition_hot_cold_basic_blocks): Ditto.
431 * var-tracking.c (vt_find_locations): Ditto.
432 * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
433 * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
434 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
435 label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
436 * tree-ssa-reassoc.c (init_reassoc): Ditto.
437 * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
438 rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
439 * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
440 and removed unused reverse orders.
442 * combine.c: Fix document typo.
444 2005-12-17 Jan Hubicka <jh@suse.cz>
446 * tree-flow-inline.h (set_default_def, default_def): Kill.
447 * tree-dfa.c (default_defs): New global variable.
448 (default_def, set_default_def): New functions.
449 * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
450 * tree-flow.h (struct var_ann_d): Kill default_def field.
451 (set_default_def, default_def): Update prototype.
452 (default_defs): Declare.
454 2005-12-16 Jeff Law <law@redhat.com>
456 * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
457 (simplify_rhs_and_lookup_avail_expr): Kill. Remnants moved
458 into tree-ssa-forwprop.c.
459 (eliminate_redundant_computations): Do not call
460 simplify_rhs_and_lookup_avail_expr anymore.
461 * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
462 extracted from remnants of simplify_rhs_and_lookup_avail_expr.
463 (tree_ssa_forward_propagate_single_use_vars): Call
464 simplify_not_neg_expr appropriately.
466 2005-12-16 Bernd Trog <berndtrog@yahoo.com>
469 * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
471 2005-12-17 Kazu Hirata <kazu@codesourcery.com>
473 PR rtl-optimization/25456
474 * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
475 info->x_start with p->x_start.
477 2005-12-17 Alan Modra <amodra@bigpond.net.au>
479 * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
480 introduced 2005-12-16.
482 2005-12-16 Steven Bosscher <stevenb@suse.de>
484 PR rtl-optimization/23837
485 * optabs.c (expand_binop): For a multi-word rotate, never emit
486 a REG_NO_CONFLICT block.
488 2005-12-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
491 * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
494 * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
497 2005-12-16 Steven Bosscher <stevenb@suse.de>
499 * loop-invariant.c (move_loop_invariants): Add missing hunk from
500 the previous patch, to nullify df.
502 2005-12-16 Steven Bosscher <stevenb@suse.de>
504 * reorg.c (mostly_true_jump): Clean up code depending on
505 LABEL_OUTSIDE_LOOP_P and loop notes. Remove code doing
506 poor man's branch prediction, instead rely on REG_BR_PROB
507 notes to be available.
509 2005-12-16 Jakub Jelinek <jakub@redhat.com>
511 PR rtl-optimization/24899
512 * loop.c (strength_reduce): Don't reduce giv that is not always
513 computable and where add_val or mult_val can trap.
515 * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
517 2005-12-16 Nathan Sidwell <nathan@codesourcery.com>
519 * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
520 names of ms1-16-002 files.
522 2005-12-16 Alan Modra <amodra@bigpond.net.au>
525 * gcc.c (for_each_path): New function.
526 (add_to_obstack, file_at_path): New functions.
527 (struct file_at_path_info, struct add_to_obstack_info): New.
528 (build_search_list): Rewrite using for_each_path. Constify struct
529 path_prefix pointer. Add do_multi param. Adjust all callers.
530 (find_a_file): Similarly, but just change existing param to bool.
531 (putenv_from_prefixes): Add do_multi param, make "paths" const.
532 (do_spec_path): Delete.
533 (struct spec_path_info): New.
534 (spec_path): New function.
535 (do_spec_1): Use for_each_path for %D and %I.
536 (find_file): Adjust for find_a_file changes.
537 (main): Search multilibs for specs. Print multilib lib path for
538 -print-search-dirs. Likewise add multilibs to LIBRARY_PATH_ENV.
539 (read_specs): Search multilibs for %include and %include_noerr.
540 (is_directory): Remove second string param. Change last param
541 to a bool. Don't use concat. Remove SMALL_ARG_MAX test, always
542 check path is a dir. Update all callers.
543 * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
544 * system.h (SMALL_ARG_MAX): Poison.
545 * config.gcc: Don't define SMALL_ARG_MAX.
546 * config.host: Likewise.
547 * config.build: Likewise.
549 2005-12-16 Paolo Bonzini <bonzini@gnu.org>
551 * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
552 FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
553 ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
554 simplify_logical): Move simplifications that do not require
555 additional infrastructure...
556 * simplify-rtx.c (simplify_unary_operation_1,
557 simplify_binary_operation_1): ... here.
559 2005-12-16 Andreas Krebbel <krebbel1@de.ibm.com>
562 * flow.c (mark_used_dest_regs): New function.
563 (mark_used_regs): Call mark_used_dest_regs.
565 2005-12-16 Jeff Law <law@redhat.com>
567 * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
568 represent a use and definition of the same SSA_NAME.
570 2005-12-16 Jon Grimm <jgrimm2@us.ibm.com>
571 Janis Johnson <janis187@us.ibm.com>
572 Ben Elliston <bje@au.ibm.com>
574 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
575 (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
576 * target.h (struct gcc_target): Add decimal_float_supported_p.
577 * targhooks.c (default_scalar_mode_supported_p): Handle
579 * builtins.def: Add new builtins for 32, 64 and 128 bit variants
580 of inf, nan, finite, isinf and isnan.
581 * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
582 BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
583 BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
584 BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
585 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
586 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
587 BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
588 * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
589 Pedwarn if decimal floating point types are used. Error if
590 decimal floating point is not supported by the target.
591 (finish_declspecs): Return type from DFP typespec_word.
592 * c-typeck.c (c_common_type): Choose the decimal floating point
593 type with the greater precision when determining a common type.
594 (convert_arguments): Warn if there is a mismatch between argument
595 and prototype for decimal float types. Warn of conversions with
596 binary float types and of precision narrowing due to prototype.
597 * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
598 (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
599 (c_token_starts_declspecs): Likewise.
600 (c_parser_attributes): Likewise.
601 * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
602 RID_DFLOAT64, RID_DFLOAT128.
603 (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
604 * c-common.c (c_common_type_for_mode): Handle decimal float modes.
605 (shorten_compare): Convert DFP/BFP operands to a common type.
606 (c_common_modes_and_builtins): Register built-in decimal float
607 types if the target supports them.
608 (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
609 * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
610 inf, nan, finite, isinf and isnan builtins.
611 * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
612 (builtin_define_float_constants): Assert non-decimal radix.
613 (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
614 Call builtin_define_decimal_float_constants for each type.
615 * c-lex.c (interpret_float): Decode decimal float types from CPP_N
616 flags. Use real_from_string3, which can handle binary or decimal
618 * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
619 cts_dfloat64, cts_dfloat128.
620 * tree.c (build_common_tree_nodes_2): Add decimal float types.
621 * tree.h (enum tree_index): Add new enumeration values
622 TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
623 TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
624 (dfloat32_type_node): New macro.
625 (dfloat64_type_node, dfloat128_type_node): Likewise.
626 (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
627 (dfloat128_ptr_type_node): Likewise.
628 * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
629 bit decimal floating point types with "df", "dd" and "dl".
630 * c-format.h (enum format_lengths): Add new enumeration values
631 FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
632 * c-format.c (printf_length_specs, scanf_length_specs): Add
633 entries for H, D, DD.
634 (print_char_table, scan_char_table): Use new entries.
635 (asm_fprintf_char_table, gcc_diag_char_table,
636 gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
638 * defaults.h (DECIMAL32_TYPE_SIZE): Define.
639 (DECIMAL64_TYPE_SIZE): Likewise.
640 (DECIMAL128_TYPE_SIZE): Likewise.
641 (TARGET_DEC_EVAL_METHOD): Likewise.
642 * doc/extend.texi (Decimal Float): New node.
643 (Constructing Calls): Document decimal float built-ins.
644 * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
645 * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
646 * ginclude/decfloat.h: New file.
648 2005-12-16 Alan Modra <amodra@bigpond.net.au>
650 * reload.c (find_reloads): Fix comment typo.
651 * recog.h (recog_memoized): Correct comment.
653 2005-12-16 Kazu Hirata <kazu@codesourcery.com>
655 * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
656 config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
657 reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
658 tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
659 * doc/invoke.texi, doc/tm.texi: Fix typos.
661 2005-12-16 Ben Elliston <bje@au.ibm.com>
663 * real.c (decimal_quad_format): Correct values for emin, emax.
665 2005-12-15 DJ Delorie <dj@redhat.com>
667 * config/m32c/predicates.md (m32c_psi_scale): New.
668 * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
669 * config/m32c/muldiv.md (mulpsi3): Support negative constants.
671 2005-12-16 Jan Hubicka <jh@suse.cz>
673 PR rtl-optimization/25224
674 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
677 2005-12-15 Zdenek Dvorak <dvorakz@suse.cz>
678 Steven Bosscher <stevenb@suse.de>
680 * loop-invariant.c (df): New global variable.
681 (find_defs, check_dependencies, find_invariant_insn, record_uses,
682 find_invariants_bb, find_invariants_body, find_invariants,
683 find_invariants_to_move, move_invariants, free_inv_motion_data,
684 move_single_loop_invariants, move_loop_invariants): Do not pass df in
687 2005-12-15 Jakub Jelinek <jakub@redhat.com>
689 * varasm.c (default_unique_section_1): Use special section
690 names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
692 2005-12-16 Ben Elliston <bje@au.ibm.com>
694 * doc/invoke.texi (Warning Options): Document -Walways-true being
697 2005-12-15 Joseph S. Myers <joseph@codesourcery.com>
700 * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
701 * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
702 __floatunditf): Use #error if type sizes don't match requirements
704 (__floatdisf, __floatdidf): Unify. Possibly use XFmode or TFmode
705 as wider floating-point type. Use #error if type sizes don't
706 match requirements of implementation. Avoid overflow in computing
707 Wtype_MAXp1_F * Wtype_MAXp1_F. When special casing conversion,
708 shift one more bit. Cast 1 to DWtype or UDWtype for shifting.
709 (__floatundisf, __floatundidf): Likewise.
710 * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
711 * config/ia64/ia64.c (ia64_init_libfuncs): Use
712 _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
713 TFmode-TImode conversions.
714 * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
716 2005-12-14 Craig Rodrigues <rodrigc@gcc.gnu.org>
718 * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
719 Use builtin_define_with_int_value() instead of
720 adding a new check for every new major FreeBSD version.
722 2005-12-14 Andrew Pinski <pinskia@physics.uc.edu>
724 * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
726 2005-12-15 Richard Sandiford <richard@codesourcery.com>
728 * config/arm/predicates.md (call_memory_operand): New.
729 * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
731 2005-12-15 Andrew Haley <aph@redhat.com>
733 * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
734 against prev_cache_entry == NULL when moving a cache entry to the
737 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
739 * config/mt/mt.c (mt_override_options): Require lower case
740 architectures. Revert accidental default to ms2.
741 * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
742 ENDFILE_SPEC): Require lower case architectures. Revert default
745 * doc/invoke.texi (MT Options): Rename and update.
746 * doc/md.texi (MorphoTech family): Rename and update.
748 2005-12-15 Olivier Hainque <hainque@adacore.com>
750 * stor-layout.c (layout_type): Don't complain about a too small
751 an array element type size compared to its alignment when the
754 2005-12-15 Jan Hubicka <jh@suse.cz>
757 * i386.c (classify_argument): Properly adjust offset of bitfield for
760 2005-12-15 Richard Sandiford <richard@codesourcery.com>
762 * final.c (final_scan_insn): Flip in_cold_section_p when changing
763 between the hot and cold sections. Use current_function_section
764 to get the new section.
765 * dwarf2out.c (output_line_info): Use in_cold_section_p to
766 determine whether we are assembling hot or cold code.
767 (secname_for_decl, dwarf2out_var_location): Likewise.
768 (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
769 * varasm.c (last_text_section): Delete.
770 (in_cold_section_p): New variable.
771 (hot_function_section): New function.
772 (current_function_section): Pass in_cold_section_p as the
773 reloc argument to select_section. Use it to decide between
774 unlikely_function_section and hot_function_section.
775 (assemble_start_function): Use switch_to_section. Set
776 in_cold_section_p instead of last_text_section.
777 (assemble_end_function): Use switch_to_section.
778 (switch_to_section): Don't set last_text_section.
779 * config/darwin/darwin.c (machopic_select_section): Trust the reloc
780 argument to make the right choice between hot and cold sections.
782 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
784 Second part of MS1->MT renaming
785 * config/mt/mt.md (doloop_end): Call mt_add_loop.
786 (movqi, movhi): Call mt_set_memflags.
787 (*movdf_internal): Call mt_split_words.
788 (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
790 (cmpsi): Store to mt_compare_op[01].
791 (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
792 bungt, bunle, bunlt): Call mt_emit_cbranch.
793 (prologue): Call mt_expand_prologue.
794 (epilogu): Call mt_expend_epilogue.
795 (eh_return): Call mt_expand_eh_return.
796 (eh_epilogue): Call me_emit_eh_epilogue.
797 (conditional_trap): Store to mt_compare_op[01].
798 * config/mt/crti.asm: Adjust comment.
799 * config/mt/crtn.asm: Adjust comment.
800 * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
801 (mt_compare_op0, mt_compare_op1): Renamed.
802 (current_frame_info, zero_frame_info): Adjust type.
803 (mt_ucmpsi3_libcall): Renamed.
804 (mt_flag_delayed_branch): Renamed.
805 (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
806 (mt_nops_required, mt_nop_reasons): Renamed.
807 (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
808 mt_debug_stack, mt_print_operand_simple_address,
809 mt_print_operand_address, mt_print_operand): Renamed, adjusted.
810 (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
811 mt_function_arg_advance, mt_arg_partial_bytes,
812 mt_pass_by_reference, mt_function_arg_boundary,
813 mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
814 mt_legitimate_address_p): Renamed, adjusted.
816 (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
817 mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
818 mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p,
819 mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
820 mt_expand_eh_return, mt_emit_eh_prologue,
821 mt_handl_interrupt_attribute): Renamed, adjusted.
822 (mt_attribute_table): Renamed, adjusted.
823 (mt_initial_elimination_offset, mt_generate_compare,
824 mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
825 mt_secondary_reload_class, mt_function_value, mt_split_words,
826 mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
827 mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
828 (mt_labels): Renamed.
829 (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
830 mt_machine_reorg): Renamed, adjusted.
831 (mt_attribute_table: Renamed.
832 (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
833 TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
834 TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
835 * config/mt/mt.opt (march): Set mt_cpu_string.
836 * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
837 (TARGET_CPU_CPP_BUILTINS): Adjust.
838 (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
840 (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
841 (MT_MIN_INT): Renamed.
842 (RETURN_ADDR_RTX): Adjust.
843 (struct mt_frame_info): Renamed.
844 (current_frame_info): Adjust type.
845 (INITIAL_ELIMINATION_OFFSET): Adjust.
846 (MT_NUM_ARG_REGS): Renamed.
847 (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
848 FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
849 LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
850 GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
851 FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
852 (mt_compare_op0, mt_compare_op1): Renamed.
853 * config/mt/mt-protos.h: Rename prototypes.
855 2005-12-15 Richard Guenther <rguenther@suse.de>
857 * tree-flow.h (okay_component_ref_for_subvars): Remove.
858 (get_ref_base_and_extent): Declare.
859 * tree-dfa.c (okay_component_ref_for_subvars): Remove.
860 (get_ref_base_and_extent): New function.
861 * tree-ssa-alias.c (find_used_portions): Use it.
862 * tree-ssa-structalias.c (get_constraint_for_component_ref):
864 * tree-ssa-operands.c (get_expr_operands): Likewise.
866 2005-12-15 Paolo Bonzini <bonzini@gnu.org>
868 * combine.c: Remove force_to_mode's fourth parameter.
869 (force_to_mode): Do not handle REG.
870 (canon_reg_for_combine): New.
871 (make_field_assignment): Use it where the removed argument was non-NULL.
873 2005-12-15 Alan Modra <amodra@bigpond.net.au>
876 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
877 error_mark_node. Make alignment params unsigned.
878 * config/rs6000/rs6000-protos.h
879 (rs6000_special_round_type_align): Update prototype.
880 (rs6000_machopic_legitimize_pic_address): Remove arg names.
882 2005-12-14 Ulrich Weigand <uweigand@de.ibm.com>
884 PR rtl-optimization/25310
885 * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
886 of the eliminable register when substituting into a PLUS.
888 2005-12-14 Jakub Jelinek <jakub@redhat.com>
891 * config/i386/i386.c (ix86_force_to_memory): Always use
892 SImode push for HImode in -m32.
893 (ix86_free_from_memory): Likewise.
895 2005-12-14 Richard Sandiford <richard@codesourcery.com>
897 * gcc/config/arm/arm.md: Provide a big-endian version of the
898 (zero_extend:SI (subreg:QI ...)) splitter.
900 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
902 * struct-equiv.c (note_local_live): Handle hard regs with different
905 2005-12-14 Jeff Law <law@redhat.com>
907 * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
908 to a structure containing state rather than a pointer to bool.
909 (case ARRAY_REF): New code to handle folding some array references.
910 (case ADDR_EXPR): Note when we are processing expressions found
911 within an ADDRE_EXPR.
912 (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
913 for state variables rather than just a pointer to a boolean.
914 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
915 handling of constant string references.
917 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
919 * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
920 ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
921 ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
922 Move other tst* patterns to retain partial order.
924 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
926 * config/s390/s390.md ("d0", "1"): New mode attributes.
927 ("<shift>di3", "<shift>si3"): Merge.
928 ("*<shift>di3_and", "*<shift>si3_and"): Merge.
929 ("ashrdi3", "ashrsi3"): Merge.
930 ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
931 ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
932 ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
933 ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
934 ("*ashrdi3", "*ashrsi3"): Merge.
935 ("*ashrdi3_and", "*ashrsi3_and"): Merge.
937 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
939 * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
940 ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
941 ("*extendqidi2", "*extendqisi2") Merge.
942 ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
943 ("zero_extendhidi2", "zero_extendqidi2"): Merge.
944 ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
945 Move some patterns to retain partial ordering.
947 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
949 * config/s390/s390.md ("atype", "length"): Rewrite.
950 ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
952 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
954 * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
956 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
958 * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
959 PARALLELs with a mode.
961 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
963 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
966 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
968 * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
970 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
974 * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
977 * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
979 2005-12-14 Jakub Jelinek <jakub@redhat.com>
983 * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
984 DECL_P, call get_section rather than get_named_section. Supply
987 2005-12-14 Ben Elliston <bje@au.ibm.com>
989 * c-common.c (c_common_truthvalue_conversion): Generalise warning
990 for addresses converted to booleans; not just function addresses.
991 * c-typeck.c (build_binary_op): Warn for address comparisons which
992 can never be NULL (eg. func == NULL or &var == NULL).
993 * common.opt (Walways-true): New option.
994 * c-opts.c (c_common_handle_option): Set it with -Wall.
995 * doc/invoke.texi: Document it.
997 2005-12-13 Paul Brook <paul@codesourcery.com>
999 * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
1000 __floatunsidf, __floatunsisf, __floatunsixf): New functions.
1002 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
1004 * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
1005 (EXTRA_MULTILIB_PARTS): Define.
1007 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
1009 PR rtl-optimization/20070 / part1
1010 * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
1011 count_or_remove_death_notes with kill == -1.
1012 (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
1013 registers if PROP_POST_REGSTACK is set.
1014 (mark_used_reg): Likewise.
1015 (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
1016 REG_UNUSED notes for stack regs.
1017 * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
1018 to match rtx_equiv_p machinery. Change caller.
1019 (outgoing_edges_match): Likewise.
1020 (try_crossjump_to_edge): Use struct_equiv_block_eq
1021 instead of flow_find_cross_jump.
1022 * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
1023 (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
1024 (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
1025 (STRUCT_EQUIV_MAX_LOCAL): Likewise.
1026 (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
1027 (insns_match_p): Update prototype.
1028 (flow_find_cross_jump): Remove prototype.
1029 (struct_equiv_block_eq, struct_equiv_init): Declare.
1030 (rtx_equiv_p, condjump_equiv_p): Likewise.
1031 * struct-equiv.c: Include reload.h.
1032 (IMPOSSIBLE_MOVE_FACTOR): Define.
1033 (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
1034 (struct_equiv_improve_checkpoint): Likewise.
1035 (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
1036 (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
1037 (struct_equiv_merge, find_dying_input): Likewise.
1038 (resolve_input_conflict, note_local_live): Likewise.
1039 (death_notes_match_p): Change parameters and processing
1040 to match rtx_equiv_p machinery. Change caller.
1041 (insns_match_p): Likewise.
1042 (flow_find_cross_jump): Replace with:
1043 (struct_equiv_block_eq).
1045 Back out this change:
1046 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
1047 * recog.c (verify_changes): Make it static.
1048 * recog.h: Remove the corresponding prototype.
1050 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
1052 * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
1055 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
1057 * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
1058 (MULTILIB_DIRNAMES): Add ms2. Prefix ms1 dirs with 'ms1'.
1059 * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
1060 TARGET_MS1_64_001 appropriately.
1061 (ms1_machine_reorg): Use TARGET_MS2.
1063 2005-12-13 Jakub Jelinek <jakub@redhat.com>
1067 * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
1068 and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
1069 Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
1070 * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
1071 Set mode to SI, adjust constraints.
1072 (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
1073 * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
1076 2005-12-13 Carlos O'Donell <carlos@codesourcery.com>
1078 * c-cppbuiltin.c (builtin_define_float_constants): Add
1079 fp_cast parameter, pass to builtin_define_with_hex_fp_value.
1080 Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
1081 (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
1082 (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
1083 to "((double)%sL)" otherwise "%s".
1085 2005-12-13 Paul Brook <paul@codesourcery.com>
1087 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
1090 2005-12-11 Rafael vila de Espndola <rafael.espindola@gmail.com>
1092 * tree-flow.h: Allow compilation with a C++ compiler.
1093 (struct edge_prediction): Prefix all field names with "ep_".
1094 * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
1095 (tree_predict_edge, combine_predictions_for_bb): Likewise.
1096 (remove_predictions_associated_with_edge): Likewise.
1098 2005-12-12 Jeff Law <law@redhat.com>
1100 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1102 * passes.c (init_optimization_passes): Run reassociation again
1103 after loop optimizations.
1105 2005-12-12 Daniel Berlin <dberlin@dberlin.org>
1107 * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
1109 (optimize_stmt): Ditto.
1110 (canonicalize_comparison): New function.
1111 * tree-ssa-operands.c (swap_tree_operands): Make external.
1112 (get_expr_operands): Stop auto-canonicalization.
1113 * tree-ssa-reassoc.c: Rewrite.
1114 (init_optimization_passes):
1115 * tree-flow.h (swap_tree_operands): Prototype.
1116 * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
1118 2005-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1120 * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
1121 indicate function epilogue has been output.
1122 (pa_asm_output_mi_thunk): Likewise.
1123 (output_deferred_plabels): Put plabels in readonly data section when
1124 not generating PIC code.
1125 (som_output_text_section_asm_op): Use .NSUBSPA to output debug
1126 information. Add assert.
1127 (som_output_comdat_data_section_asm_op): New function.
1128 (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
1129 instead of output_section_asm_op for COMDAT sections.
1131 2005-12-12 J"orn Rennecke <joern.rennecke@st.com>
1133 * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
1134 Fix whitespace in vincinity of to-be-installed changes.
1135 * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
1136 (insns_match_p): Likewise.
1138 2005-12-12 Nathan Sidwell <nathan@codesourcery.com>
1140 * config.gcc (ms1): Replace with ...
1142 * config/ms1: Rename to ...
1143 * config/mt: ... here. Rename ms1 files to mt.
1144 * config/mt/mt.c: Adjust gt-mt.h #include.
1145 * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
1146 (crti.o, crtn.o): Adjust file names.
1148 2005-12-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1150 * varray.h: Allow compilation with a C++ compiler.
1151 (union varray_data_tag): Prefix all field names with "vdt_".
1152 (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
1153 VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
1154 VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
1155 VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
1156 VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
1157 VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
1158 (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
1159 VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT,
1160 VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT,
1161 VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR,
1162 VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR,
1163 VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE,
1164 VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB,
1165 VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
1166 (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT,
1167 VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT,
1168 VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT,
1169 VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR,
1170 VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX,
1171 VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP,
1172 VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE,
1173 VARRAY_TOP_TREE_PTR): Likewise.
1174 * varray.c (varray_grow): Likewise.
1175 (varray_clear): Likewise.
1177 2005-12-12 Alan Modra <amodra@bigpond.net.au>
1180 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
1181 alignment to doubleword if the first field is a double array.
1182 * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
1184 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1186 * tree-ssa-structalias.c (process_constraint): Remove code to
1187 transform addressofs into scalar.
1188 (create_variable_info_for): In whole-program IPA, globals don't
1189 point to ANYTHING by default.
1191 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1193 * timevar.def (TV_IPA_PTA): New.
1194 * tree-pass.h (pass_ipa_pta): New
1195 * tree-ssa-structalias.c: Include cgraph.h
1197 (predbitmap_obstack): New.
1198 (EXECUTE_IF_IN_NONNULL_BITMAP): New.
1199 (struct constraint_stats): Add num_edges.
1200 (new_var_info): Don't call bitmap_clear.
1201 (struct constraint_edge): Update docs.
1202 (new_constraint_edge): Remove src param.
1203 (struct constraint_graph): Add zero_weight_succs,
1204 zero_weight_preds. Update docs.
1205 (constraint_expr_equal): Reformat.
1206 (constraint_edge_equal): Update for removal of src.
1207 (constraint_edge_less): Ditto.
1208 (constraint_edge_vec_find): Ditto.
1209 (erase_graph_self_edge): Update for removal of src and and zero
1211 (clear_edges_for_node): Ditto.
1212 (add_graph_edge): Ditto.
1213 (get_graph_weights): Ditto.
1214 (allocate_graph_weights): Ditto.
1215 (merge_graph_nodes): Ditto.
1216 (int_add_graph_edge): Ditto.
1217 (valid_graph_edge): Ditto.
1218 (valid_weighted_graph_edge): Ditto.
1219 (build_constraint_graph): Ditto.
1221 (collapse_nodes): Ditto.
1222 (process_unification_queue): Ditto.
1223 (topo_visit): Ditto.
1224 (solve_graph): Ditto.
1225 (do_structure_copy): Ditto.
1226 (perform_var_substitution): Ditto.
1227 Init and release obstack.
1228 (handle_ptr_arith): Try to resolve directly.
1229 (find_func_aliases): Don't call update_alias_info here
1230 Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
1231 (do_sd_constraint): Add code for propagating faster.
1233 (do_ds_constraint): Ditto.
1234 (count_num_arguments): New function.
1235 (create_function_info_for): Ditto.
1236 (create_variable_info_for): Handle FUNCTION_DECL.
1237 (intra_create_variable_infos): Use make_constraint_to_anything.
1238 (init_alias_vars): Init obstacks here.
1239 (need_to_solve): Handle zero weight graph changes.
1240 (compute_points_to_sets): Call update_alias_info here.
1241 (delete_points_to_sets): Free zero weight preds/succs here.
1242 (gate_ipa_pta): New.
1243 (ipa_pta_execute): New
1245 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
1247 * tree-ssa-structalias.c (var_anyoffset): Removed.
1248 (anyoffset_tree): Ditto.
1249 (anyoffset_id): Ditto.
1250 (do_deref): Take vector of constraints, no return value.
1251 Update to work on vector.
1252 (get_constraint_for): Ditto.
1253 (get_constraint_for_component_ref): Ditto.
1254 (do_structure_copy): Ditto.
1255 (handle_ptr_arith): Ditto.
1256 (find_func_aliases): Ditto.
1257 (set_uids_in_ptset): Remove anyoffset handling.
1258 (init_base_vars): Ditto.
1260 2005-12-10 Mark Mitchell <mark@codesourcery.com>
1263 * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
1264 DECL_EXTERNAL functions have no bodies. Tidy.
1266 2005-12-10 Andreas Schwab <schwab@suse.de>
1268 * except.c (switch_to_exception_section): Only define if
1269 TARGET_UNWIND_INFO is not defined.
1271 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1273 * config/darwin.h (HAS_INIT_SECTION): Remove definition.
1274 (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
1276 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1278 * output.h (init_section, fini_section): Delete.
1279 * varasm.c (init_section, fini_section): Delete.
1280 (init_varasm_once): Don't initialize them.
1281 * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
1282 there are no corresponding varasm.c variables.
1284 2005-12-10 Richard Sandiford <richard@codesourcery.com>
1286 * dwarf2out.c (default_eh_frame_section): Delete, moving handling
1287 of EH_FRAME_SECTION_NAME into...
1288 (switch_to_eh_frame_section): ...here. Try to set eh_frame_section
1289 if it is still null.
1290 * except.c (default_exception_section): Delete, moving most
1292 (switch_to_exception_section): ...this new function. Set
1293 exception_section if it is still null, then switch to it.
1294 (output_function_exception_table): Use switch_to_exception_section.
1295 * varasm.c (exception_section, eh_frame_section): Update comments.
1296 (get_section): Hoist use of SECTION_NAMED.
1297 (init_varasm_once): Don't set exception_section and eh_frame_section.
1298 * output.h (default_exception_section): Delete.
1299 (default_eh_frame_section): Delete.
1301 2005-12-09 Bernd Schmidt <bernd.schmidt@analog.com>
1303 * config/bfin/bfin.c: Include "cgraph.h".
1304 (bfin_load_pic_reg): Omit loading pic reg if in a local function.
1305 Return the reg that holds the pointer to the GOT.
1306 (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
1307 doing stack checking.
1309 2005-12-09 Diego Novillo <dnovillo@redhat.com>
1311 * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
1312 recompute_tree_invarant_for_addr_expr.
1313 Update uses everywhere.
1315 2005-12-09 Aldy Hernandez <aldyh@redhat.com>
1317 * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
1318 (MULTILIB_DIRNAMES): Define.
1320 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
1323 * config/s390/s390.c (struct s390_address): New field literal_pool.
1324 (s390_decompose_address): Compute literal_pool field. Do not
1325 assume register %r13 is always (and solely) used as pool base.
1326 (s390_extra_constraint_str): Use literal_pool field.
1328 2005-12-09 Thiemo Seufer <ths@networkno.de>
1330 * config/mips/mips.c (override_options): Don't allow too small
1331 integers in FP registers.
1333 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
1335 * config/s390/s390.c (s390_function_ok_for_sibcall): Use
1336 targetm.binds_local_p to check for local function calls.
1338 2005-12-09 Alan Modra <amodra@bigpond.net.au>
1341 * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1342 call_used_regs can't be used to save reg in another reg.
1344 2005-12-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1345 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1347 * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1349 * except.c (output_ttype): Likewise.
1350 * tree-object-size.c (collect_object_sizes_for): Likewise.
1351 (check_for_plus_in_loops_1): Likewise.
1352 (check_for_plus_in_loops): Likewise.
1353 (compute_object_sizes): Use gcc_unreachable instead of abort.
1355 2005-12-08 Nathan Sidwell <nathan@codesourcery.com>
1357 * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1358 (loop_end, loop_init, doloop_end): New insns.
1359 * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1360 (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1361 (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1362 (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1363 * config/ms1/ms1.c: #include basic-block.h
1364 (struct machine_function): Add has_loops field.
1365 (ms1_add_loop): New.
1366 (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1367 (struct loop_info, struct loop_work): New.
1368 (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1369 (ms1_reorg_loops): New loop optimization.
1370 (ms1_machine_reorg): Call it.
1371 * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1373 2005-12-08 Zdenek Dvorak <dvorakz@suse.cz>
1375 PR tree-optimization/25248
1376 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1377 evolution_of_loop from the failed attempt. Remove handling
1380 2005-12-08 Gabriel Dos Reis <gdr@integrable-solutions.net>
1382 * tree.h (DECL_EXTERNAL): Clarify documentation.
1384 2005-12-08 Andreas Krebbel <krebbel1@de.ibm.com>
1385 Jakub Jelinek <jakub@redhat.com>
1388 * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1389 argument. Don't drop outer ANDs.
1390 (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1391 * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1393 * config/s390/predicates.md (setmem_operand): Remove.
1394 (shift_count_operand): Rename to...
1395 (shift_count_or_setmem_operand): ... this. Adjust
1396 s390_decompose_shift_count caller.
1397 * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1398 ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1399 ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1400 <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1401 rotl<mode>3_and, setmem_long_and): New insns.
1402 (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1403 ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1404 <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1405 <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1406 of shift_count_operand.
1407 (setmem_long): Use shift_count_or_setmem_operand instead of
1410 2005-12-08 Daniel Jacobowitz <dan@codesourcery.com>
1411 Andreas Tobler <a.tobler@schweiz.ch>
1413 * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1416 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1418 * expr.c (force_operand): Use convert_to_mode for conversions.
1420 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1422 * reload.h (reg_equiv_invariant): Declare.
1423 * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1424 register also when reg_equiv_invariant[R] is set.
1426 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1427 Andreas Tobler <a.tobler@schweiz.ch>
1429 * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1431 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
1433 * tree-ssa-pre.c (bitmap_set_and): New function.
1434 (bitmap_set_and_compl): New function.
1435 (bitmap_set_empty_p): New function.
1436 (insert_extra_phis): New function.
1437 (compute_avail): Use insert_extra_phis.
1439 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
1441 * config/s390/s390.c (s390_expand_atomic): New function.
1442 Adjust comment of helper functions.
1443 * config/s390/s390-protos.h (s390_expand_atomic): Declare.
1444 * config/s390/s390.md ("ATOMIC"): New code macro.
1445 ("atomic"): Corresponding new code attribute.
1446 ("sync_lock_test_and_set[hq]i",
1447 "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1449 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
1451 * config/s390/s390.c (s390_expand_mask_and_shift,
1452 struct alignment_context, init_alignment_context,
1453 s390_expand_cs_hqi): New.
1454 * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1455 * config/s390/s390.md ("sync_compare_and_swaphi",
1456 "sync_compare_and_swapqi"): New pattern.
1458 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
1460 Fix PR tree-optimization/25291
1461 * tree-ssa-operands.c (add_call_clobber_ops): Remove
1462 redundant and crashing check.
1464 2005-12-08 Alan Modra <amodra@bigpond.net.au>
1467 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1468 tests further when !strict && reload_in_progress.
1469 (print_operand): Check that both operands of indexed address are regs.
1470 (print_operand_address): Likewise.
1471 * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1472 (INT_REG_OK_FOR_BASE_P): Correct.
1474 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1476 Preparation for PR rtl-optimization/20070 / part1
1477 * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1478 * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1479 outgoing_edges_match.
1480 (outgoing_edges_match): Use condjump_equiv_p.
1481 (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1483 * struct-equiv.c: New file.
1484 (death_notes_match_p) New function, broken out of insns_match_p.
1485 * Makefile.in (OBJS-common): Add struct-equiv.o.
1486 (struct-equiv.o): New target.
1488 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1490 * coretypes.h: Revert previous change.
1491 * config/darwin.h: Revert previous reversion.
1492 * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1494 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1496 * coretypes.h (section): Provide dummy definition for target files.
1497 * config/darwin.h: Revert previous change.
1499 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1501 * doc/sourcebuild.texi (all.build, install-normal): Remove.
1502 * configure.ac: Remove all.build and install-normal from target_list
1503 * configure: Regenerate.
1504 * Makefile.in (install): Don't depend on install-normal.
1506 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1508 * Makefile.in: Document the use of stamps.
1510 2005-12-07 Rafael vila de Espndola <rafael.espindola@gmail.com>
1512 * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1513 * Makefile.in: Add code to compute some dependencies on s-gtype
1514 automatically. Remove the declaration of those dependencies.
1516 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1518 * gcc/reload.c (push_secondary_reload): Fix typo:
1519 s/insn_constraint/scratch_constraint/.
1521 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1523 * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1525 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1527 * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1528 (alpha_elf_select_rtx_section): Return the selected section rather
1529 than emitting assembly code.
1530 (alpha_write_linkage): Emit a ".link" directive directly and then
1531 set in_section to NULL.
1532 (vms_asm_out_constructor): Use switch_to_section.
1533 (vms_asm_out_destructor): Likewise.
1534 (unicosmk_output_common): Set in_section to NULL instead of calling
1535 the dummy common_section function.
1536 (unicosmk_text_section): Delete in favor of...
1537 (unicosmk_output_text_section_asm_op): ...this new function.
1538 (unicosmk_data_section): Delete in favor of...
1539 (unicosmk_output_data_section_asm_op): ...this new function.
1540 (unicosmk_init_sections): New function.
1541 (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1542 (unicosmk_output_ssib): Set in_section to NULL instead of calling
1543 the dummy ssib_section function.
1544 (unicosmk_section_buf): Delete.
1545 * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1546 (unicosmk_data_section): Delete.
1547 * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1548 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1549 (SECTION_FUNCTION_TEMPLATE): Delete.
1550 * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1551 (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1552 (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1553 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1554 (TARGET_ASM_INIT_SECTIONS): Define.
1555 * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1556 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1557 (link_section, literals_section): Delete.
1558 (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1559 set in_section to NULL.
1561 * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1562 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1563 (COMMON_SECTION): Delete.
1564 (TARGET_ASM_INIT_SECTIONS): Define.
1565 (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1566 the dummy common_section function.
1567 * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1568 * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1569 between readonly_data_section and text_section to check whether
1570 read-only data is being put in the text section.
1571 (arm_output_function_epilogue): Use switch_to_section.
1572 (arm_elf_asm_constructor): Likewise.
1573 (thumb_call_via_reg): Replace call to in_text_section with
1574 a comparison between in_section and text_section.
1575 (arm_file_end): Use switch_to_section.
1576 (aof_text_section): Delete in favor of...
1577 (aof_output_text_section_asm_op): ...this new function.
1578 (aof_data_section): Delete in favor of...
1579 (aof_output_data_section_asm_op): ...this new function.
1580 (aof_asm_init_sections): New function.
1581 (zero_init_section): Moved from config/arm/aof.h.
1582 (aof_dump_imports, aof_file_start): Use switch_to_section.
1583 * config/arm/arm.h (thumb_call_via_label): Update comment.
1584 * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1585 (common_section): Delete.
1586 * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1587 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1588 global switch_to_section function instead of the old port-local one.
1589 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1590 (SWITCH_TO_SECTION_FUNCTION): Delete.
1591 (drectve_section): Redefine as a macro.
1592 * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1593 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1596 * config/avr/avr.c (progmem_section): New variable.
1597 (avr_output_progmem_section_asm_op): New function.
1598 (avr_asm_init_sections): New function.
1599 (avr_output_addr_vec_elt): Use switch_to_section.
1600 * config/avr/avr.h (progmem_section): Declare.
1601 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1602 (READONLY_DATA_SECTION): Delete.
1603 (TARGET_ASM_INIT_SECTIONS): Define.
1604 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1605 * config/avr/avr-protos.h (progmem_section): Delete.
1607 * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1609 * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1610 (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1612 * config/darwin-sections.def: New file.
1613 * config/darwin.c: Define all sections in darwin-sections.def.
1614 (output_objc_section_asm_op, darwin_init_sections): New functions.
1615 (machopic_output_indirection): Use switch_to_section.
1616 (machopic_select_section): Return the selected section rather than
1617 emitting assembly code. Replace the static function table with
1618 inline conditional expressions. Update the tests of last_text_section
1619 and move them into the FUNCTION_DECL block.
1620 (machopic_select_rtx_section): Return the selected section rather than
1621 emitting assembly code.
1622 (machopic_asm_out_constructor, machopic_asm_out_destructor)
1623 (darwin_file_end): Use switch_to_section.
1624 * config/darwin.h: Use darwin-sections.def to declare sections.
1625 (INIT_SECTION_ASM_OP): Remove empty definition.
1626 (HAS_INIT_SECTION): Define this instead.
1627 (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1628 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1629 (TARGET_ASM_EH_FRAME_SECTION): Delete.
1630 (TARGET_ASM_INIT_SECTIONS): Define.
1631 * config/darwin-protos.h (darwin_init_sections): Declare.
1632 (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1633 (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1634 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1635 (constructor_section, destructor_section, mod_init_section): Delete.
1636 (mod_term_section): Delete.
1637 (darwin_exception_section, darwin_eh_frame_section): Delete.
1638 (machopic_select_section): Return a section.
1639 (machopic_select_rtx_section): Likewise.
1640 (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1641 (const_section, const_coal_section, const_data_section): Delete.
1642 (const_data_coal_section, data_coal_section, cstring_section): Delete.
1643 (literal4_section, literal8_section, constructor_section): Delete.
1644 (mod_init_section, mod_term_section, destructor_section): Delete.
1645 (objc_class_section, objc_meta_class_section, objc_category_section)
1646 (objc_class_vars_section, objc_instance_vars_section): Delete.
1647 (objc_cls_meth_section, objc_inst_meth_section): Delete.
1648 (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1649 (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1650 (objc_symbols_section, objc_module_info_section): Delete.
1651 (objc_image_info_section, objc_protocol_section): Delete.
1652 (objc_string_object_section, objc_constant_string_object_section)
1653 (objc_class_names_section, objc_meth_var_names_section): Delete.
1654 (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1655 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1656 (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1657 (darwin_exception_section, darwin_eh_frame_section): Delete.
1658 * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1660 * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1661 (frv_asm_out_destructor): Likewise.
1662 * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1663 (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1664 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1666 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1667 * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1668 (data_section): Delete.
1670 * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1671 (DRECTVE_SECTION_FUNCTION): Delete.
1672 (drectve_section): Redefine as a macro that sets in_section after
1673 emitting the directive.
1674 (SWITCH_TO_SECTION_FUNCTION): Delete.
1675 * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1676 in_text_section with comparison between in_section and text_section.
1677 * config/i386/i386.c (x86_64_elf_select_section): Return the section
1678 rather than emitting assembly code. Use get_named_section.
1679 (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1681 (machopic_output_stub): Use switch_to_section.
1682 * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1683 (nwld_named_section_asm_out_destructor): Use get_section and
1686 * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1687 rather than emitting assembly code.
1688 (ia64_rwreloc_select_section): Likewise.
1689 (ia64_rwreloc_select_rtx_section): Likewise.
1690 * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1691 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1693 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1694 (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1696 * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1697 section rather than emitting assembly code.
1698 (iq2000_select_section): Likewise.
1699 * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1700 (sbss_section): Delete.
1702 * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1703 and get_named_section.
1704 * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1706 * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1707 (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1708 (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1709 (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1711 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1712 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1713 global switch_to_section function instead of the old port-local one.
1714 * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1715 (SWITCH_SECTION_FUNCTION): Delete.
1716 * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1717 (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1718 (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1719 (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1721 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1722 global switch_to_section function instead of the old port-local one.
1723 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1725 * config/mips/mips.c (mips_file_start): Update comment.
1726 (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1727 (mips_output_aligned_decl_common): Use switch_to_section.
1728 (mips_select_rtx_section): Return the section rather than emitting
1729 assembly code. Use get_named_section.
1730 (mips_function_rodata_section: Likewise get_section.
1731 (build_mips16_function_stub): Use switch_to_section.
1732 * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1733 (SDATA_SECTION_ASM_OP): Delete.
1734 * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1735 (EXTRA_SECTION_FUNCTIONS): Delete.
1737 * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1738 (mmix_asm_output_aligned_local): Use switch_to_section.
1740 * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1741 (som_one_only_readonly_data_section): New variables.
1742 (pa_output_function_epilogue): Set in_section to NULL instead of
1743 calling forget_section.
1744 (output_deferred_plabels): Use select_section.
1745 (pa_asm_output_mi_thunk): Likewise. Set in_section to NULL instead
1746 of calling forget_section.
1747 (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1748 (pa_asm_output_aligned_local): Use select_section.
1749 (som_text_section_asm_op): Delete in favor of...
1750 (som_output_text_section_asm_op): ...this new function.
1751 (pa_som_asm_init_sections): New function.
1752 (pa_select_section): Return the section rather than emitting
1754 * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1755 (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1756 (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1757 (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1758 * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1759 (som_readonly_data_section, som_one_only_readonly_data_section)
1760 (som_one_only_data_section, forget_section): Delete.
1761 * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1762 (TARGET_ASM_INIT_SECTIONS): Define.
1763 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1765 * config/rs6000/rs6000.c (read_only_data_section): New variable.
1766 (private_data_section, read_only_private_data_section): New variables.
1767 (sdata2_section, toc_section): New variables.
1768 (rs6000_file_start): Use switch_to_section.
1769 (rs6000_assemble_integer): Use comparisons against in_section
1770 instead of calling in_toc_section and in_text_section. Use
1771 unlikely_text_section_p.
1772 (rs6000_elf_output_toc_section_asm_op): New function, derived
1773 from the old rs6000/sysv4.h toc_section function.
1774 (rs6000_elf_asm_init_sections): New function.
1775 (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1776 the section rather than emitting assembly code.
1777 (machopic_output_stub): Use switch_to_section.
1778 (toc_section): Delete dummy function.
1779 (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1780 switch_to_section and get_section.
1781 (rs6000_xcoff_output_readonly_section_asm_op): New function.
1782 (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1783 (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1784 the old rs6000/xcoff.h toc_section function.
1785 (rs6000_xcoff_asm_init_sections): New function.
1786 (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1787 the section rather than emitting assembly code.
1788 (rs6000_xcoff_file_start): Use switch_to_section.
1789 (rs6000_xcoff_file_end): Likewise.
1790 * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1791 (sdata2_section, sbss_section, private_data_section): Delete.
1792 (read_only_data_section, read_only_private_data_section): Delete.
1793 * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1794 (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1795 (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1796 (FINI_SECTION_FUNCTION): Delete.
1797 (TARGET_ASM_INIT_SECTIONS): Define.
1798 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1799 * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1800 (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1801 (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1802 (READONLY_DATA_SECTION): Delete.
1803 (TARGET_ASM_INIT_SECTIONS): Define.
1804 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. Set in_section
1805 to NULL rather than no_section.
1806 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1808 * config/sh/sh.c (sh_file_start): Use switch_to_section.
1810 * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1811 (sparc_output_deferred_case_vectors): Likewise. Remove argument
1812 from call to current_function_section.
1814 * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1815 (bss100_section): New variable.
1816 (xstormy16_asm_output_aligned_common): Use switch_to_section.
1817 (xstormy16_asm_init_sections): New function.
1818 (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1819 switch_to_section and get_section.
1820 (xstormy16_output_addr_vec): Use switch_to_section. Remove argument
1821 from calls to current_function_section.
1822 * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1823 (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1824 (TARGET_ASM_INIT_SECTIONS): Define.
1825 * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1827 * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1828 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1829 (FINI_SECTION_FUNCTION): Delete.
1831 * config/v850/v850.c: Include gt-v850.h.
1832 (rosdata_section, rozdata_section, tdata_section, zdata_section)
1833 (zbss_section): New variables.
1834 (v850_output_aligned_bss): Use switch_to_section.
1835 (v850_asm_init_sections): New function.
1836 (v850_select_section): Return the section rather than emitting
1838 * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1839 (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1840 (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1841 (TARGET_ASM_INIT_SECTIONS): Define.
1842 * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1843 (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1844 (zbss_section): Delete.
1846 * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1848 * config/vx-common.h (vxworks_exception_section): Delete.
1849 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1851 * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1852 section rather than emitting assembly code.
1853 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1856 * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1857 * coretypes.h (section): New union and typedef.
1858 * dbxout.c (FORCE_TEXT): Use switch_to_section. Remove argument
1859 from call to current_function_section.
1860 (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1861 (dbxout_symbol_location): Use switch_to_section.
1862 * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1863 most of the code into...
1864 (default_eh_frame_section): ...here. Return a section.
1865 (collect2_eh_frame_section): Delete, moving most of the code into..
1866 (switch_to_eh_frame_section): ...this new function.
1867 (debug_info_section, debug_abbrev_section, debug_aranges_section)
1868 (debug_macinfo_section, debug_line_section, debug_loc_section)
1869 (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1871 (output_call_frame_info): Call switch_to_eh_frame_section instead of
1872 eh_frame_section. Use switch_to_section and get_section.
1873 (dwarf2out_begin_prologue): Use switch_to_section.
1874 (AT_string_form): Check the flags in debug_str_section instead of
1875 DEBUG_STR_SECTION_FLAGS.
1876 (output_comp_unit): Use switch_to_section, get_section, and
1878 (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1879 (dwarf2out_begin_block): Use switch_to_section. Remove argument
1880 from call to current_function_section.
1881 (dwarf2out_var_location): Use unlikely_text_section_p.
1882 (dwarf2out_source_line): Use switch_to_section. Remove argument
1883 from call to current_function_section.
1884 (dwarf2out_start_source_file, dwarf2out_end_source_file)
1885 (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1886 debug_macinfo_section.
1887 (dwarf2out_init): Initialize the new section variables. Use them
1888 instead of calls to named_section_flags. Use switch_to_section.
1889 (output_indirect_string): Use switch_to_section and debug_str_section.
1890 (dwarf2out_finish): Use switch_to_section and the new section
1892 * except.c (default_exception_section): Return the section instead
1893 of emitting assembly code.
1894 (output_function_exception_table): Use the global exception_section
1895 variable instead of the target hook. Use switch_to_section. Remove
1896 argument from call to current_function_section.
1897 * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1898 (shorten_branches): Use pointer comparisons to detect whether the
1899 text section is the same as readonly_data_section.
1900 (profile_function): Use switch_to_section. Remove argument from
1901 call to current_function_section.
1902 (final_scan_insn): Likewise. Update use of last_text_section.
1903 * gengtype.c (open_base_files): Add an include of output.h.
1904 * output.h (text_section, data_section, readonly_data_section)
1905 (ctors_section, dtors_section, bss_section, init_section)
1906 (fini_section, sdata_section): Turn into section pointers.
1907 (in_text_section, in_unlikely_text_section, exports_section)
1908 (drectve_section, named_section, mergeable_string_section)
1909 (last_text_section_name): Delete.
1910 (default_exception_section, default_eh_frame_section): Return sections.
1911 (SECTION_DECLARED, SECTION_NAMED): New macros.
1912 (SECTION_MACH_DEP): Bump value.
1913 (section_common, named_section, unnamed_section): New structures.
1914 (unnamed_section_callback): New typedef.
1915 (section): New union.
1916 (sbss_section, exception_section, eh_frame_section): New variables.
1917 (in_section, last_text_section): Turn into section pointers.
1918 (get_unnamed_section, get_section, get_named_section): New functions.
1919 (mergeable_constant_section, function_section): Return a section.
1920 (unlikely_text_section): Likewise.
1921 (current_function_section): Likewise. Remove the decl argument.
1922 (unlikely_text_section_p, switch_to_section): New functions.
1923 (output_section_asm_op): New function.
1924 (set_named_section_flags, named_section_flags, named_section_real)
1925 (named_section_first_declaration): Delete.
1926 (default_select_section, default_elf_select_section): Return a section.
1927 (default_elf_select_section_1, default_function_rodata_section)
1928 (default_no_function_rodata_section, default_select_rtx_section)
1929 (default_elf_select_rtx_section): Likewise.
1930 * rtl.h (in_data_section): Delete.
1931 * sdbout.c (sdbout_one_type): Use switch_to_section.
1932 * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1933 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1934 (TARGET_ASM_EH_FRAME_SECTION): Poison.
1935 * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1936 (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1937 (TARGET_ASM_OUT): Update after above changes.
1938 * target.h (init_sections): New hook.
1939 (exception_section, eh_frame_section): Delete.
1940 (select_section, select_rtx_section, function_rodata_section): Return
1941 a section rather than emitting assembly code.
1942 * varasm.c (text_section, data_section, readonly_data_section)
1943 (ctors_section, dtors_section, bss_section, init_section)
1944 (fini_section): Turn into section pointers.
1945 (sdata_section, sbss_section, exception_section): New variables.
1946 (eh_frame_section): New variable.
1947 (in_section): Make global and turn into a section pointer.
1948 (last_text_section): Turn into a section pointer.
1949 (unnamed_sections): New variable.
1950 (in_named_name, last_text_section_name): Delete.
1951 (EXTRA_SECTION_FUNCTIONS): Delete.
1952 (in_named_entry): Delete.
1953 (section_htab): New variable, replacing...
1954 (in_named_htab): ...this deleted variable.
1955 (section_entry_eq, section_entry_hash): New functions, based on...
1956 (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1957 (get_unnamed_section, get_section): New functions.
1958 (unlikely_text_section): Return a section instead of emitting
1960 (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1961 (get_named_section_flags, named_section_first_declaration): Delete.
1962 (unlikely_text_section_p): New function.
1963 (named_section_real, named_section): Delete.
1964 (get_named_section): New function.
1965 (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1966 (function_section): Return a section rather than emitting
1968 (current_function_section): Likewise. Remove argument. Use
1969 last_text_section if nonnull, otherwise use function_section.
1970 (default_function_rodata_section): Return a section rather than
1971 emitting assembly code. Use get_section.
1972 (default_no_function_rodata_section): Return a section rather than
1973 emitting assembly code.
1974 (variable_section): Use switch_to_section and get_named_section.
1975 (mergeable_string_section): Return a section rather than emitting
1976 assembly code. Use get_section. Make static. Don't take special
1977 countermeasures for empty strings.
1978 (mergeable_constant_section): Return a section rather than emitting
1979 assembly code. Use get_section.
1980 (default_named_section_asm_out_destructor): Use switch_to_section
1982 (default_dtor_section_asm_out_destructor): Use switch_to_section.
1983 (default_named_section_asm_out_constructor): Use switch_to_section
1985 (default_ctor_section_asm_out_constructor): Use switch_to_section.
1986 (assemble_start_function): Likewise. Set last_text_section to
1987 NULL rather than no_section. Change the type of save_section.
1988 (assemble_zeros, assemble_variable): Use the section flags to detect
1989 whether or not a section is text.
1990 (assemble_static_space): Use switch_to_section.
1991 (assemble_trampoline_template): Likewise.
1992 (output_constant_def_contents): Use switch_to_section and
1994 (output_constant_pool_1): Use switch_to_section. Use the section
1995 flags to see whether sections contain mergeable data.
1996 (init_varasm_once): Initialize section_htab instead of in_named_htab.
1997 Initialize new section variables. Call TARGET_ASM_INIT_SECTIONS.
1998 (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1999 whether a section has already been declared.
2000 (default_select_section, default_elf_select_section): Return a
2001 section rather than emitting assembly code.
2002 (default_elf_select_section_1): Likewise. Use bss_section for
2003 SECCAT_BSS if nonnull. Use get_named_section.
2004 (default_select_rtx_section): Return a section rather than
2005 emitting assembly code.
2006 (default_elf_select_rtx_section): Likewise. Use get_named_section.
2007 (file_end_indicate_exec_stack): Use switch_to_section and get_section.
2008 (output_section_asm_op, switch_to_section): New functions.
2009 * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
2012 * doc/tm.texi: Expand the introduction to the sections documentation.
2013 (TRAMPOLINE_SECTION): Document new interface.
2014 (SDATA_SECTION_ASM_OP): Document new macro.
2015 (READONLY_DATA_SECTION): Delete.
2016 (SDATA_SECTION_ASM_OP): Document new macro.
2017 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2018 (TARGET_ASM_INIT_SECTIONS): Document new hook.
2019 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
2020 (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
2021 (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
2023 2005-12-07 Alan Modra <amodra@bigpond.net.au>
2025 * gcc.c (init_gcc_specs): Match braces inside conditionally
2028 2005-12-06 Geoffrey Keating <geoffk@apple.com>
2030 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
2032 2005-12-06 Aldy Hernandez <aldyh@redhat.com>
2035 * tree.c (integer_all_onesp): Always return true if all bits on.
2037 * testsuite/g++.dg/init/array0.C: New.
2039 2005-12-06 Adrian Straetling <straetling@de.ibm.com>
2041 * doc/md.texi: Adapt to implementation.
2043 2005-12-06 Andreas Schwab <schwab@suse.de>
2045 * opts.c (decode_options): Fix typo in message.
2047 2005-12-06 Alan Modra <amodra@bigpond.net.au>
2050 * longlong.h: Merge PPC tests from upstream.
2052 2005-12-06 Richard Guenther <rguenther@suse.de>
2054 * fold-const.c (fold_convert): Do not build and fold
2055 CONVERT_EXPR, but always use NOP_EXPR.
2057 2005-12-06 Jan Beulich <jbeulich@novell.com>
2059 * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
2060 __builtin_ia32_paddq and __builtin_ia32_subq.
2061 (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
2062 __builtin_ia32_pshufw.
2063 * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
2065 2005-12-05 James E Wilson <wilson@specifix.com>
2068 * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
2071 2005-12-05 Daniel Berlin <dberlin@dberlin.org>
2073 * print-tree.c (print_node): Ditto.
2074 * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
2075 * tree-dump.c (dequeue_and_dump): Check for decl_common structure
2076 before accessing DECL_ARTIFICIAL.
2077 Handle new tag tree codes.
2078 * tree-flow-inline.h (clear_call_clobbered): Update for tag
2080 (unmodifiable_var_p): Ditto.
2081 * tree-flow.h (mem_tag_kind): Remove.
2082 (struct var_ann_d): Remove mem_tag_kind member.
2083 * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
2084 * tree-pretty-print.c (dump_generic_node): Handle memory tags.
2085 * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
2086 (group_aliases): Ditto.
2087 (setup_pointers_and_addressables): Ditto.
2088 (is_escape_site): Ditto.
2089 (may_alias_p): Ditto.
2090 (create_tag_raw): New function.
2091 (create_memory_tag): Use it.
2092 (dump_alias_info): Update for tags.
2093 (may_be_aliased): Ditto.
2094 (add_type_alias): Ditto.
2095 (new_type_alias): Ditto.
2096 (create_sft): Ditto.
2097 (create_structure_vars): Ditto.
2098 * tree-ssa-ccp.c (get_default_value): Ditto.
2099 * tree-ssa-operands.c (get_expr_operands): Ditto.
2100 (add_stmt_operand): Ditto.
2101 (add_call_clobber_ops): Remove duplicated condition.
2102 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2104 * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
2105 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2106 * tree.c (init_ttree): Update structures for new tree codes.
2107 (tree_code_size): Update sizes for new tree codes.
2108 (make_node_stat): Don't try to set common things on minimal
2110 (tree_node_structure): Update for tags.
2111 (is_global_var): Ditto.
2112 * tree.def: Add new tree codes.
2113 * tree.h (MTAG_P): New macro.
2114 (TREE_MEMORY_TAG_CHECK): Ditto.
2115 (SSA_VAR_P): Update for tags.
2116 (struct tree_memory_tag): New structure.
2117 (MTAG_GLOBAL): New macro.
2118 (union tree_node): Add memory tag member.
2119 * treestruct.def (TS_MEMORY_TAG): New.
2121 2005-12-05 Dale Johannesen <dalej@apple.com>
2123 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match
2124 what was approved (PR 24323).
2126 2005-12-05 Gabriel Dos Reis <gdr@integrable-solutions.net>
2128 * doc/c-tree.texi (Function Bodies): Remove description of
2131 2005-12-05 Joseph S. Myers <joseph@codesourcery.com>
2133 * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
2134 __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
2135 __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
2136 __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
2137 __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
2138 __divxc3): Document.
2140 2005-12-05 Geoffrey Keating <geoffk@apple.com>
2142 * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
2144 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
2145 hook_bool_void_false.
2146 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2147 * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
2149 * config/darwin.c (machopic_select_section): It's not defined
2150 as weak if it's only marked as weak_import.
2152 * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
2155 * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
2156 A hidden weak object does bind locally. Strong linkonce data
2157 counts like any other strong symbol for binding.
2158 (weak_finish_1): Don't specially handle weakrefs, they no longer
2160 (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
2161 * c-common.c (handle_alias_attribute): Allow static aliases
2163 (handle_weakref_attribute): Don't call declare_weak on weakrefs.
2164 * gthr-dce.h: Make weakrefs static.
2165 * gthr-tpf.h: Likewise.
2166 * gthr-solaris.h: Likewise.
2167 * gthr-posix.h: Likewise.
2168 * gthr-posix95.h: Likewise.
2169 * config/darwin.c (darwin_encode_section_info): static weakref
2170 variables are not necessarily defined in this translation unit.
2171 * doc/extend.texi (Function Attributes): Mention that an alias
2172 attribute creates a definition for the thing it's attached to.
2173 Change the documentation for weakref to say that the thing
2174 it's attached to must be static.
2176 * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
2177 we don't go into an infinite loop.
2179 2005-12-05 Paolo Bonzini <bonzini@gnu.org>
2181 * config/rs6000/predicates.md (logical_const_operand): Split
2182 out of logical_operand.
2183 (logical_operand): Use it.
2184 * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
2185 logical_const_operand.
2187 2005-12-05 Jan Beulich <jbeulich@novell.com>
2189 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
2190 and IX86_BUILTIN_CMPNESS.
2191 (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
2192 * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
2193 * config/i386/i386.md (movti_internal): Correct type attribute.
2194 Simplify mode attribute.
2195 (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
2196 Correct type attribute.
2197 (absxf2): Correct operator.
2198 * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
2199 movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
2200 * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
2202 (sse2_vmsqrtv2df2): Correct mode attribute.
2204 2005-12-05 Jan Beulich <jbeulich@novell.com>
2206 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
2207 16 bits. Provide insn pattern for this case.
2209 2005-12-05 Jan Beulich <jbeulich@novell.com>
2211 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
2213 (__popcountDI2): Likewise.
2215 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2218 * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
2219 _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
2220 * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
2223 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
2225 * c-typeck.c (null_pointer_constant_p): New function.
2226 (build_conditional_expr, build_c_cast, convert_for_assignment,
2227 build_binary_op): Use it.
2229 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
2231 * c-common.c (binary_op_error): Do not allow NOP_EXPR.
2232 (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
2234 (check_function_arguments_recurse): Allow both NOP_EXPR and
2235 CONVERT_EXPR but check conversions preserve precision.
2236 * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
2237 but check conversions preserve precision.
2238 (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in
2241 2005-12-04 Roger Sayle <roger@eyesopen.com>
2244 * common.opt (Wstring-literal-comparison): New command line option.
2245 * c-opts.c (c_common_handle_option): Set it with -Wall.
2246 * c-typeck.c (parser_build_binary_op): Issue warning if either
2247 operand of a comparison operator is a string literal, except for
2248 testing equality or inequality against NULL.
2250 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
2252 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
2254 * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
2255 of building a NOP_EXPR.
2256 (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as
2258 * c-convert.c (convert): Use fold_convert instead of building
2259 NOP_EXPRs and CONVERT_EXPRs directly. Don't special case
2260 c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove
2262 * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
2263 NOP_EXPR the same as CONVERT_EXPR.
2264 * c-typeck.c (build_function_call): Use fold_convert instead of
2265 building a NOP_EXPR directly.
2266 (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
2268 2005-12-03 Alan Modra <amodra@bigpond.net.au>
2270 PR rtl-optimization/25197
2271 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
2274 2005-12-02 Stuart Hastings <stuart@apple.com>
2276 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
2279 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
2281 * c-typeck.c (default_function_array_conversion,
2282 build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
2283 (build_conditional_expr): Apply integer_zerop to orig_op1 and
2284 orig_op2. Don't check them for NOP_EXPR.
2285 (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
2286 around integer zero.
2288 2005-12-03 Alan Modra <amodra@bigpond.net.au>
2290 * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
2291 toc_save_offset, toc_size, lr_size.
2292 (rs6000_stack_info): Use memset rather than bss struct copy to init.
2293 Test rs6000_ra_ever_killed last in condition setting lr_save_p.
2294 Adjust for removal of unused rs6000_stack_t fields.
2295 (debug_stack_info): Adjust.
2296 (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls
2297 first, and don't bother checking for set/inc of lr on sibcalls.
2298 (rs6000_emit_epilogue): Tidy code restoring stack pointer.
2300 2005-12-02 Jakub Jelinek <jakub@redhat.com>
2303 * config/i386/i386.md (movqi_1): Only force imovx for alternative
2304 5 if operand 1 is not aligned. Undo previous constraint change.
2305 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
2307 2005-12-02 Richard Guenther <rguenther@suse.de>
2309 * tree.h (build): Remove prototype.
2310 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
2311 * tree.c (build): Remove.
2312 (build0_stat): Update comment.
2314 2005-12-02 Richard Guenther <rguenther@suse.de>
2316 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
2317 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
2319 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
2320 maybe_fold_offset_to_component_ref): Likewise.
2321 * tree-ssa-dom.c (thread_across_edge,
2322 simplify_rhs_and_lookup_avail_expr,
2323 find_equivalent_equality_comparison, record_equivalences_from_stmt):
2325 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
2326 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
2327 lower_try_finally_switch): Likewise.
2328 * tree-if-conv.c (add_to_dst_predicate_list,
2329 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2330 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2331 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2332 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2333 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2334 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2335 gimplify_init_ctor_eval, gimplify_init_constructor,
2336 gimplify_variable_sized_compare, gimplify_boolean_expr,
2337 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2338 gimplify_expr, gimplify_body, gimplify_function_tree,
2339 force_gimple_operand): Likewise.
2340 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2341 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2342 mx_register_decls): Likewise.
2343 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2344 get_frame_field, finalize_nesting_tree_1): Likewise.
2345 * tree-inline.c (setup_one_parameter): Likewise.
2346 * tree-vect-transform.c (vectorizable_condition): Likewise.
2347 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2349 * tree-profile.c (tree_gen_edge_profiler): Likewise.
2350 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2351 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2352 * tree-chrec.h (build_polynomial_chrec): Likewise.
2354 2005-12-02 Richard Guenther <rguenther@suse.de>
2356 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2357 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2358 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2359 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2360 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2361 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2362 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2364 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2365 sh_adjust_unroll_max): Likewise.
2366 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2367 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2368 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2370 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2372 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2375 2005-12-02 Richard Guenther <rguenther@suse.de>
2377 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2378 simplify_cond_using_ranges): Use buildN instead of build.
2379 * tree-tailcall.c (adjust_accumulator_values,
2380 adjust_return_value): Likewise.
2381 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
2382 generate_element_copy, generate_element_zero,
2383 generate_one_element_init): Likewise.
2384 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2385 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2386 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2387 perfect_nestify): Likewise.
2389 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2391 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
2393 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
2395 * ggc.h (GGC_RESIZEVEC): New.
2397 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2399 * gcc.c (execute): Improve readability.
2401 2005-12-02 Richard Guenther <rguenther@suse.de>
2403 * tree-cfg.c (mark_used_vars): New function.
2404 (dump_function_to_file): Dump only used VAR_DECLs.
2406 2005-12-02 Richard Guenther <rguenther@suse.de>
2408 * convert.c (convert_to_integer): Fix compare for nonpositive
2409 constant to use tree_int_cst_sgn <= 0.
2411 2005-12-02 Richard Guenther <rguenther@suse.de>
2413 * convert.c (convert_to_integer): Use fold_convert instead
2414 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
2415 instead of comparing against 0. Use build_int_cst instead
2416 of converting integer_zero_node.
2418 2005-12-02 Richard Guenther <rguenther@suse.de>
2420 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2423 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2426 * combine.c (simplify_logical <IOR>): Simplify more patterns to
2429 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2432 * function.c (expand_function_end): Emit blockage for unwinder
2435 2005-12-01 Roger Sayle <roger@eyesopen.com>
2437 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2438 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2439 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2440 integer constant comparisons.
2442 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
2443 Janis Johnson <janis187@us.ibm.com>
2444 David Edelsohn <dje@watson.ibm.com>
2445 Ben Elliston <bje@au.ibm.com>
2447 * dfp.h, dfp.c: New files.
2448 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2449 (DECNUM_H): Likewise.
2450 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2451 (INCLUDES): Append $(DECNUMINC).
2452 (OBJS-common): Add dfp.o.
2454 * real.h (EXP_BITS): Pinch one bit to ..
2455 (struct real_value): Add decimal field.
2456 (real_format): Change table size, update documentation.
2457 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
2458 (real_from_string3): Declare.
2459 (decimal_single_format): Declare.
2460 (decimal_double_format): Declare.
2461 (decimal_quad_format): Declare.
2462 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
2463 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
2464 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
2465 * real.c: Include dfp.h.
2466 (normalize): Early return for decimal floats.
2467 (do_add): Zero decimal field.
2468 (do_compare): Call do_decimal_compare for decimal floats.
2469 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2470 (real_arithmetic): Call decimal_real_arithmetic for decimal
2471 floating point operands.
2472 (real_identical): If a and b are of differing radix, return false.
2473 (real_to_integer): Call decimal_real_to_integer if the value is a
2475 (real_to_integer2): Likewise, call decimal_real_to_integer2.
2476 (real_to_decimal): Likewise, call decimal_real_to_decimal.
2477 (real_to_hexadecimal): Place "N/A" in the return string for
2479 (real_from_string3): New variant, given a mode.
2480 (real_maxval): Use decimal_real_maxval for decimal floats.
2481 (round_for_format): Use decimal_round_for_format for decimals.
2482 (real_convert): Use decimal_real_convert where appropriate.
2483 (significand_size): Handle base 10.
2484 (encode_decimal_single, decode_decimal_single,
2485 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2486 decode_decimal_quad): New functions.
2487 (decimal_single_format): New.
2488 (decimal_double_format): New.
2489 (decimal_quad_format): New.
2490 * machmode.def: Add SD, DD and TD decimal floating point modes.
2491 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2492 Include MODE_DECIMAL_FLOAT.
2493 (DECIMAL_FLOAT_MODE_P): New.
2494 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2495 * genmodes.c (struct mode_data): Add counter field.
2496 (struct mode_data): Update comment for format.
2497 (blank_mode): Initialise counter field.
2498 (new_mode): Increment counter field for each mode defined.
2499 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2501 (make_complex_modes): Handle modes containing `D'.
2502 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2503 (make_decimal_float_mode): New.
2504 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2505 (cmp_modes): Compare counter field if other characteristics
2507 (emit_real_format_for_mode): Support formats for decimal floats.
2508 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2509 Document MODE_DECIMAL_FLOAT.
2511 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2513 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2516 2005-12-01 Richard Henderson <rth@redhat.com>
2518 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2520 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2522 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2524 * config/pa/pa.c (pa_init_builtins): If we detect
2525 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2528 2005-12-01 Richard Guenther <rguenther@suse.de>
2530 * fold-const.c (fold_binary): Use fold_build2, not
2533 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
2535 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2537 * vec.h (VEC_block_remove): New.
2539 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
2542 * c-common.c (lvalue_error): Fix wording.
2544 2005-12-01 Richard Guenther <rguenther@suse.de>
2546 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2547 thinko in last patch.
2549 2005-12-01 Geoffrey Keating <geoffk@apple.com>
2551 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2552 than -flat_namespace.
2554 2005-12-01 Ben Elliston <bje@au.ibm.com>
2556 * mklibgcc.in: Parameterise the script to build soft float
2557 functions by iterating over each type, rather than cloning the
2560 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2563 * builtins.c (fold_builtin_fputs): Defer check for missing
2564 replacement functions.
2566 2005-11-30 Kean Johnston <jkj@sco.com>
2568 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2569 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2571 2005-11-30 Richard Guenther <rguenther@suse.de>
2573 PR tree-optimization/22501
2574 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2575 function split out from ...
2576 (forward_propagate_addr_expr): ... here. Use it to propagate
2577 ADDR_EXPRs to all uses.
2579 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2581 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2582 * builtins.c (expand_builtin_mathfn): Use them.
2583 (expand_builtin_mathfn_2): Likewise.
2584 (expand_builtin_mathfn_3): Likewise.
2585 (expand_builtin_int_roundingfn): Likewise.
2586 (expand_builtin): Likewise.
2587 (integer_valued_real_p): Likewise.
2588 (fold_builtin_int_roundingfn): Likewise.
2589 (fold_builtin_bitop): Likewise.
2590 (fold_builtin_logarithm): Likewise.
2591 (fold_builtin_1): Likewise.
2592 * convert.c (convert_to_integer): Likewise.
2593 * fold-const.c (negate_mathfn_p): Likewise.
2594 (tree_expr_nonnegative_p): Likewise.
2596 2005-11-30 Dale Johannesen <dalej@apple.com>
2597 Andrew Pinski <pinskia@physics.uc.edu>
2599 * combine.c (find_split_point): Sign extend bitmask
2600 when changing bitfield assignment to IOR of AND.
2602 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2604 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2605 clobber to scratch reg.
2606 (*decrement_and_branch_until_zero_no_clobber): Remove.
2607 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2608 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2609 * config/ms1/ms1.opt (mmul): Remove.
2610 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2611 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2613 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2614 Bernd Schmidt <bernd.schmidt@analog.com>
2616 * pa/predicates.md (symbolic_operand): Add comment.
2617 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2618 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2619 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2620 (pa_secondary_reload_class): Delete.
2621 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2622 and pa_secondary_reload_class. Reorder some checks. Update inline
2623 copy of symbolic operand.
2624 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2626 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2628 * loop-doloop.c (add_test): Only add jump notes if we did emit a
2631 2005-11-30 Jeff Law <law@redhat.com>
2633 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2634 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2636 2005-11-30 Jakub Jelinek <jakub@redhat.com>
2638 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2639 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2640 (ia64_expand_move): Adjust caller.
2642 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2643 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2646 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
2648 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2649 Always produce an output if we can remove NEGs or canonicalize
2650 (minus (minus ...)) expressions. Provide a fast path for the
2652 (simplify_gen_binary): Do not call simplify_plus_minus.
2653 (simplify_binary_operation_1): Reassociate at the end of the
2656 2005-11-29 Evan Cheng <evan.cheng@apple.com>
2658 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2659 moves and unpack to speed up.
2661 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
2663 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2664 argument, they are always sparc_compare_op0 and sparc_compare_op1.
2665 (gen_v9_scc): Update callers.
2666 * config/sparc/sparc.md: Likewise.
2667 * config/sparc/sparc-protos.h: Update extern declaration.
2669 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2671 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2673 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2676 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2678 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2679 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2680 (negate_expr): Here.
2682 2005-11-29 Ben Elliston <bje@au.ibm.com>
2684 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2685 Fix typo in comment.
2687 2005-11-29 Ben Elliston <bje@au.ibm.com>
2689 * Makefile.in (clean-target): Depend on clean-target-libgcc.
2690 (clean-target-libgcc): Import rule from the top-level Makefile.in.
2692 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2696 * builtins.c (init_target_chars): New.
2697 (expand_builtin_printf, expand_builtin_fprintf,
2698 expand_builtin_sprintf, fold_builtin_sprintf,
2699 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2700 fold_builtin_snprintf_chk, fold_builtin_printf,
2701 fold_builtin_fprintf): Check for matching format strings using
2704 2005-11-29 Paul Brook <paul@codesourcery.com>
2706 * config.gcc: Do not use fixproto on m68k-elf.
2708 2005-11-28 Roger Sayle <roger@eyesopen.com>
2710 * expmed.c (div_cost): Replace with...
2711 (sdiv_cost, udiv_cost): New.
2712 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2713 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2714 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2715 (expand_divmod): Replace use of div_cost with either sdiv_cost
2716 or udiv_cost depending upon the signedness of the operation.
2718 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2721 * config/darwin.c (machopic_indirection_name,
2722 machopic_output_indirection): Follow transparent alias chain.
2724 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2726 * varasm.c (ultimate_transparent_alias_target): Add comment.
2728 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
2730 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2731 SET_SRC instead of XEXP where appropriate.
2733 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2735 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2738 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2740 * config/fp-bit.h (LSHIFT): Take shift count parameter.
2741 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2744 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
2746 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2747 secondary_input_reload_class, made static. Adapt to new
2749 (secondary_output_reload_class): Delete.
2750 (TARGET_SECONDARY_RELOAD): New macro.
2751 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2752 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2754 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
2757 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
2758 when its natural alignment is > BITS_PER_UNIT.
2759 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2760 * c-common.c (handle_packed_attribute): Ignore packing on a field
2761 whose type is naturally char aligned.
2763 2005-11-28 Richard Guenther <rguenther@suse.de>
2765 * c-common.c (strict_aliasing_warning): Handle all
2766 component-ref like accesses.
2768 2005-11-28 Roger Sayle <roger@eyesopen.com>
2769 Uros Bizjak <uros@kss-loka.si>
2772 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2773 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2774 when flag_unsafe_math_optimizations is set and
2775 we don't care about NaNs or Infinities.
2777 Move x/expN(y) and x/pow(y,z) transformation into common
2778 flag_unsafe_math_optimizations section.
2780 2005-11-27 Mark Mitchell <mark@codesourcery.com>
2782 * gcc.c (main): Change type of argv to "char **".
2784 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2786 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2787 small data sections.
2788 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2789 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2790 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2791 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
2792 output locals to sbss if !rs6000_elf_in_small_data_p.
2793 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2795 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2798 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2799 generated by reload.
2800 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2801 indexed_or_indirect_address.
2802 (indexed_or_indirect_address): Don't test for base reg. Call
2803 address_operand last. Make it a special predicate.
2805 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
2807 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2809 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
2812 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2814 (negate_expr): Likewise.
2816 2005-11-27 Andreas Schwab <schwab@suse.de>
2818 * config/m68k/m68k.c: Reindent and fix whitespace, remove
2821 2005-11-27 Steven Bosscher <stevenb@suse.de>
2823 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2824 has EH predecessor edges.
2826 2005-11-26 Eric Christopher <echristo@apple.com>
2828 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2829 register stalls by zero extending to the full register.
2831 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
2833 * config/floatunsisf.c, config/floatunsidf.c,
2834 config/floatunsixf.c, config/floatunsitf.c: New files.
2835 * config/ia64/t-hpux: Add floatunsitf.c.
2836 * config/ia64/ia64.c (ia64_init_libfuncs): Use
2837 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2839 2005-11-26 Richard Henderson <rth@redhat.com>
2841 * c-lex.c (pragma_lex): Rename from c_lex.
2842 * c-pch.c: Update for pragma_lex rename.
2843 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2844 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2845 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2846 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2847 * doc/tm.texi: Likewise.
2849 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
2852 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2853 when overflow is undefined.
2855 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
2857 * doc/md.texi (Insn Canonicalizations): Refer to the
2858 function commutative_operand_precedence for further rules.
2860 2005-11-25 Roger Sayle <roger@eyesopen.com>
2863 * expmed.c (choose_mult_variant): Return immediately when mult_cost
2864 is less than zero. Limit mult_cost to a reasonable upper bound for
2865 the synthetic multiplication sequence.
2867 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2870 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2871 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2872 Lookup the explicit replacement functions for any unlocked
2873 stdio builtin transformations.
2875 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
2877 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2879 * targhooks.c (default_secondary_reload): Don't require operand 2
2880 for an input reload to be earlyclobber.
2882 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2884 * fold-const.c (negate_mathfn_p): Fix comment and add support
2885 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2888 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2891 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2892 _Q_ulltoq for unsigned conversions from SImode and DImode to
2895 2005-11-25 Alan Modra <amodra@bigpond.net.au>
2897 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2898 (__floatundidf, __floatundisf): Likewise.
2900 2005-11-25 David Edelsohn <edelsohn@gnu.org>
2902 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2903 (rs6000_override_options): Remove initialization of
2904 rs6000_sr_alias_set.
2905 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2906 (rs6000_emit_stack_tie): Same.
2907 (emit_frame_save): Same.
2908 (gen_frame_mem_offset): Same.
2909 (rs6000_emit_prologue): Same.
2910 (rs6000_emit_epilogue): Same.
2912 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2915 * fold-const.c (fold_build): Convert bool_var != 1 and
2916 bool_var == 0 to !bool_var.
2918 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2921 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2922 for C being INTEGER_CST. Likewise for !=.
2924 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2927 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2928 unsigned conversions from SImode to TFmode.
2930 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
2932 * expr.c (expand_expr_real_1): Fix error in last change.
2934 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
2936 * caller-save.c: (this_insn_sets): Move into:
2937 (save_call_clobbered_regs).
2938 (mark_set_regs): Get this_insn_sets from data.
2940 (save_call_clobbered_regs): Take sets of the return value by
2941 sibcalls into account.
2943 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
2946 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2947 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2948 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2949 (memory_move_secondary_cost, init_reg_autoinc): Remove
2950 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2951 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2952 secondary_reload_class call.
2953 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
2955 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2956 (push_secondary_reload): Use secondary_reload target hook.
2957 (secondary_reload_class, scratch_reload_class): New functions.
2958 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2959 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
2960 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2961 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2962 (secondary_reload_class, scratch_reload_class): Declare.
2963 * reload1.c: Include target.h.
2964 (reload_adjust_reg_for_temp): New function.
2965 (reload_adjust_reg_for_icode): Likewise.
2966 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2967 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2969 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
2970 for inheritance. Support case when both secondary & tertiary reloads
2971 are for intermediate registers.
2972 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2973 with secondary_reload_class call. Support case when both secondary
2974 & tertiary reloads are for intermediate registers.
2975 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2976 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2977 * target.h (secondary_reload_info): New struct / typedef.
2978 (struct gcc_target): New member secondary_reload.
2979 * targhooks.c Include reload.h, optabs.h and recog.h.
2980 (default_secondary_reload): New function.
2981 * targhooks.h (default_secondary_reload): Declare.
2982 * doc/tm.texi: Document secondary_reload target hook. Update
2983 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2984 * doc/md.texi: Likewise.
2986 * sh-protos.h (sh_secondary_reload): Declare.
2987 * sh.c (TARGET_SECONDARY_RELOAD): Override.
2988 (sh_secondary_reload): New function.
2989 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2990 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2991 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2992 (HAVE_SECONDARY_RELOADS): Define.
2993 * sh.md (reload_indf): Rename to:
2995 (reload_outdf): Rename to:
2996 (reload_outdf__RnFRm).
2997 (reload_insf): Rename to:
2999 (reload_insi): Rename to:
3000 (reload_insi__i_fpul).
3002 2005-11-24 Uros Bizjak <uros@kss-loka.si>
3004 * configure.ac: Require at least texinfo 4.4.
3005 * configure: Regenerate.
3007 * doc/install.texi (Tools/packages necessary for building GCC):
3008 Update required version of texinfo to at least 4.4.
3009 (Installing GCC: Building): Update required version of texinfo
3011 (Installing GCC: Final installation): Update required version
3012 of texi2dvi to at least 4.4.
3013 (Host/target specific installation notes for GCC): Update required
3014 version of texinfo to at least 4.4.
3016 2005-11-24 Richard Guenther <rguenther@suse.de>
3017 Dirk Mueller <dmueller@suse.de>
3020 * c-common.h (strict_aliasing_warning): Declare.
3021 * c-common.c (strict_aliasing_warning): New function,
3023 * c-typeck.c (build_c_cast): ... here.
3025 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
3027 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3029 (swap_commutative_operands_with_target): New.
3031 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
3033 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
3034 also when doing PRE, rather than only for global CPROP.
3036 2005-11-24 Ben Elliston <bje@au.ibm.com>
3038 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
3039 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
3041 (expand_twoval_unop): Likewise.
3042 (widen_clz): Likewise.
3043 (expand_parity): Likewise.
3044 (expand_unop): Likewise.
3045 (emit_cmp_and_jmp_insn_1): Likewise.
3046 (prepare_float_lib_cmp): Likewise.
3048 2005-11-24 Ben Elliston <bje@au.ibm.com>
3050 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
3051 Remove unused `class' variable.
3053 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
3056 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
3057 C/C++ diagnostic function warn_array_subscript_with_type_char.
3058 * c-common.h (warn_array_subscript_with_type_char): Declare.
3059 * c-common.c (warn_array_subscript_with_type_char): Define.
3061 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
3064 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
3065 compiling at the intersection of C and C++.
3067 2005-11-23 Mark Mitchell <mark@codesourcery.com>
3069 * doc/invoke.texi: For man pages, include gcc-vers.texi.
3070 List @file in the option summary. Include the libiberty
3071 documentation for @file.
3072 * gcc.c (main): Call expandargv.
3073 * Makefile.in (gcc-vers.texi): Define srcdir.
3075 2005-11-23 Diego Novillo <dnovillo@redhat.com>
3077 * passes.c (init_optimization_passes): Document
3078 sequencing of passes.
3080 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
3082 * config/m68k/predicates.md (pcrel_address, extend_operator,
3083 post_inc_operand, pre_dec_operand): Remove redundant
3085 (const_uint32_operand, const_sint32_operand): Use gcc_assert
3087 (valid_dbcc_comparison_p): Rewrite in the lisp style.
3089 2005-11-23 Ben Elliston <bje@au.ibm.com>
3091 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
3093 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
3095 Preparatory work for PR target/21623:
3096 * alpha.c (secondary_reload_class): Rename to:
3097 (alpha_secondary_reload_class).
3098 * alpha.h, alpha-protos.h: Likewise.
3099 * mn10300.c (secondary_reload_class): Rename to:
3100 (mn10300_secondary_reload_class).
3101 * mn10300.h, mn10300-protos.h: Likewise.
3102 * pa.c (secondary_reload_class): Rename to:
3103 (pa_secondary_reload_class).
3104 * pa.h, pa-protos.h: Likewise.
3105 * rs6000.c (secondary_reload_class): Rename to:
3106 rs6000_secondary_reload_class.
3107 * rs6000.h, rs6000-protos.h: Likewise.
3109 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
3112 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
3114 2005-11-22 Ian Lance Taylor <ian@airs.com>
3116 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
3118 (prepare_cmp_insn): Likewise.
3120 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
3123 * m68k.md (zero_extendsidi2): Force operands[1] to a register
3124 if both operands[0] and operands[1] are memory.
3126 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
3129 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
3130 COMPARISON_CLASS_P and an integral types create create a new
3131 expression with the new type and fold that.
3133 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
3136 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
3137 to SUBTARGET_OS_CPP_BUILTINS.
3139 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
3141 * arm.c (emit_set_insn): New function.
3142 (arm_split_constant): Call it.
3143 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
3144 (arm_legitimize_address): Likewise. Use plus_constant.
3145 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
3146 (thumb_expand_prologue): Likewise.
3147 (arm_gen_load_multiple): Use VOIDmode in SET.
3148 (arm_gen_store_multiple): Likewise.
3149 (vfp_emit_fstmx): Likewise. Use plus_constant.
3150 (emit_multi_reg_push): Likewise.
3151 (emit_sfm): Use plus_constant.
3153 2005-11-23 Alan Modra <amodra@bigpond.net.au>
3156 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
3159 2005-11-22 Alan Modra <amodra@bigpond.net.au>
3162 * expmed.c (store_bit_field): Don't attempt to insv a field
3163 larger than the reg.
3165 2005-11-22 Alan Modra <amodra@bigpond.net.au>
3168 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
3169 explicit sign extension, not a (char) cast.
3171 2005-11-22 Ben Elliston <bje@au.ibm.com>
3173 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
3174 GET_MODE_CLASS (x) == MODE_FLOAT.
3175 * config/i386/i386.c: Likewise.
3176 * config/rs6000/xcoff.h: Likewise.
3177 * config/rs6000/linux64.h: Likewise.
3178 * config/rs6000/rs6000.c: Likewise.
3179 * config/rs6000/rs6000.h: Likewise.
3180 * config/rs6000/predicates.md: Likewise.
3181 * config/rs6000/sysv4.h: Likewise.
3183 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3185 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
3188 * config/alpha/freebsd.h, config/alpha/linux.h,
3189 config/arm/linux-elf.h, config/bfin/bfin.h,
3190 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
3191 config/i386/beos-elf.h, config/i386/gnu.h,
3192 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
3193 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
3194 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
3195 config/rs6000/linux64.h, config/rs6000/sysv4.h,
3196 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
3197 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
3198 config/sparc/linux.h, config/sparc/linux64.h,
3199 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
3201 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
3202 are both defined when either flag -fpic or -fPIC are used.
3204 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
3206 * config/fp-bit.c (clzusi): New function.
3207 (si_to_float, usi_to_float): Use it to compute proper shift.
3208 (usi_to_float): Preserve guard bits when shifting right.
3209 * libgcc-std.ver (GCC_4.2.0): New version.
3210 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
3211 __floatundisf): New functions.
3212 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
3213 __floatundisf): Declare.
3214 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
3215 _floatundixf, and _floatunditf.
3216 * optabs.c (expand_float): If target does not define a pattern for
3217 signed or unsigned conversion, use an unsigned libcall instead of
3219 (init_optabs): Initialize ufloat_optab.
3221 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
3223 * config/rs6000/rs6000.opt (mmulhw): New option.
3224 * doc/invoke.texi (-mmulhw): Document.
3225 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
3227 * config/rs6000/rs6000.md: Add half-word multiply and
3228 multiply-accumulate instructions for 405 and 440.
3230 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
3232 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
3233 which matches behavior of gcc 4.0 and older for RTEMS targets. The
3234 default now includes a linker group which makes the RTEMS one nest.
3236 2005-11-22 Ben Elliston <bje@au.ibm.com>
3238 * cse.c (fold_rtx): Typo fix.
3239 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
3241 2005-11-21 Richard Henderson <rth@redhat.com>
3243 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
3244 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
3246 * c-tree.h (lookup_name): Move declaration ...
3247 * c-common.h (lookup_name): ... here.
3248 * config/darwin-c.c: Include c-common.h.
3249 * config/t-darwin: Update dependencies.
3251 2005-11-22 Ben Elliston <bje@au.ibm.com>
3253 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
3254 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
3255 * genopinit.c (gen_insn): Likewise.
3256 * reload.c (find_equiv_reg): Likewise.
3257 * loop.c (load_mems): Likewise.
3258 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
3259 * cse.c (find_comparison_args, fold_rtx): Likewise.
3260 * dwarf2out.c (add_const_value_attribute): Likewise.
3261 * expr.c (convert_move): Likewise.
3262 * recog.c (general_operand, register_operand): Likewise.
3263 * reg-stack.c (replace_reg): Likewise.
3264 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3265 * c-common.c (handle_vector_size_attribute): Likewise.
3266 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
3267 (simplify_binary_operation_1): Likewise.
3268 (simplify_const_binary_operation): Likewise.
3269 (simplify_relational_operation): Likewise.
3270 (simplify_const_relational_operation): Likewise.
3271 (simplify_immed_subreg): Likewise.
3272 * emit-rtl.c (gen_lowpart_common): Likewise.
3273 * expmed.c (expand_mult): Likewise.
3274 * stor-layout.c (layout_type): Likewise.
3276 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
3279 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
3280 cst2 only for SPE vectors.
3282 2005-11-21 David Edelsohn <edelsohn@gnu.org>
3285 * config/rs6000/predicates.md (vrsave_operation): Check
3286 UNSPEC_VOLATILE value.
3288 2005-11-21 Jan Hubicka <jh@suse.cz>
3290 PR tree-optimization/24653
3291 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
3293 2005-11-21 Uros Bizjak <uros@kss-loka.si>
3295 * config/i386/predicates.md (ax_reg_operand): New predicate.
3296 (memory_displacement_only_operand): New predicate.
3297 * config/i386/i386.md ("modrm" attribute): Return 0 if one
3298 operand is AX register and the other operand is memory operand
3299 with displacement only.
3301 2005-11-21 Uros Bizjak <uros@kss-loka.si>
3303 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
3304 if we don't care about NaNs or Infinities.
3306 2005-11-20 Ian Lance Taylor <ian@airs.com>
3308 PR rtl-optimization/24883
3309 * combine.c (combinable_i3pat): When checking whether the
3310 destination of i3 is used in i3, consider paradoxical subregs.
3312 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
3315 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
3317 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
3319 * combine.c (try_combine): Do not run subst on i1src and i2src in
3320 the case of generating a PARALLEL for a comparison.
3322 2005-11-20 Richard Henderson <rth@redhat.com>
3325 * tree-sra.c (struct sra_elt): Add all_no_warning.
3326 (struct sra_walk_fns) <use>: Add use_all argument.
3327 (sra_walk_expr): Pass it.
3328 (sra_walk_modify_expr): Likewise.
3329 (scalarize_ldst): Likewise.
3330 (scan_use): Update for new argument.
3331 (mark_no_warning): New.
3332 (scalarize_use): Use it.
3334 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3336 * expr.c (expand_expr_real): Use usmul_optab for widening
3337 signed * unsigned multiplies.
3338 * genopinit.c (optabs): Add usmul_widen_optab.
3339 * optabs.c (init_optabs): Likewise.
3340 * optabs.h (enum optab_index): Add OTI_usmul_widen.
3341 (usmul_widen_optab): Define.
3342 * config/bfin/bfin.md (usmulhisi3): New pattern.
3344 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3346 2005-11-20 Graham Stott <btinternet.com>
3348 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
3350 2005-11-20 Andreas Schwab <schwab@suse.de>
3353 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3356 2005-11-19 Richard Henderson <rth@redhat.com>
3359 * tree-gimple.c (is_gimple_id): Export.
3360 * tree-gimple.h (is_gimple_id): Declare.
3361 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3362 (get_default_value): Use it.
3363 (maybe_fold_stmt_indirect): Likewise.
3365 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
3367 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3368 than VR1 or vice-versa.
3370 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
3374 * reload.c (find_reloads_address_1): Mention dependency on
3376 * reload1.c (gen_reload): For IN with an unary operation, try
3377 moving inner expression to OUT if trivial SET is not valid.
3378 Confirm that the result is valid. Move common code block into...
3379 (emit_insn_if_valid_for_reload): New function.
3381 2005-11-19 Richard Guenther <rguenther@suse.de>
3383 * fold-const.c (fold_indirect_ref_1): Make sure we fold
3384 ARRAY_REFs of constant strings.
3386 2005-11-19 Jakub Jelinek <jakub@redhat.com>
3388 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3389 fatal format string.
3391 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
3393 * combine.c (make_compound_operation): Swap operands of
3394 commutative operation if necessary before returning.
3396 2005-11-19 Richard Guenther <rguenther@suse.de>
3399 * fold-const.c (fold_plusminus_mult_expr): New function.
3400 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3401 cases, remove now unnecessary code.
3403 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
3405 * gensupport.c (old_preds): Rename to std_preds, add special field.
3406 (struct old_pred_table): Rename to struct std_pred_table, add special
3408 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3409 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3410 (init_predicate_table): Adjust, and set along the way whether a
3411 predicate is special.
3413 2005-11-18 Mark Mitchell <mark@codesourcery.com>
3415 * BASE-VER: Change to 4.2.0.
3417 2005-11-18 James E Wilson <wilson@specifix.com>
3419 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3422 2005-11-18 Mike Stump <mrs@apple.com>
3424 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3425 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3426 * c-decl.c (lookup_name_two) Remove.
3427 * c-tree.h (lookup_name_two): Remove.
3428 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3429 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3430 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3431 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
3433 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
3436 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3437 when not generating code to use that co-processor.
3439 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
3441 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3442 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3443 these functions are now in tree-phinodes.c.
3445 2005-11-18 Jie Zhang <jie.zhang@analog.com>
3447 * config/bfin/bfin.md (trap): New pattern.
3449 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3451 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3454 * expr.c (expand_expr_real): Don't call record_block_change unless
3455 ib_boundaries_block is non-null
3457 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
3459 * fold-const.c (build_range_check): Use proper type for subtraction
3460 when merging lower bound.
3462 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
3464 PR rtl-optimization/24497
3465 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3468 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
3470 * tree-scalar-evolution.c (expression_expensive_p): New function.
3471 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3473 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
3475 * config/bfin/crtlibid.s: New file.
3477 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3480 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3481 when not using sjlj exceptions.
3482 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3483 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3484 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3485 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3486 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3487 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3488 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3489 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3490 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3491 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3492 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3493 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3494 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3496 * config/pa/hpux-unwind.h: New file.
3498 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
3500 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3501 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3502 * varasm.c (do_assemble_alias): Adjust call.
3503 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3505 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3507 2005-11-17 James E Wilson <wilson@specifix.com>
3509 * tree.def (FUNCTION_DECL): Correct typo in comment.
3511 2005-11-17 Richard Henderson <rth@redhat.com>
3513 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3514 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3515 and DW_CFA_def_cfa_sf.
3516 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3517 (dbx_reg_number): Don't assert particular registers here.
3518 (based_loc_descr): ... do it here instead. Fold in ...
3519 (eliminate_reg_to_offset): ... this function.
3520 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3521 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3522 * unwind-dw2.c (execute_cfa_program): Apply data align factor
3523 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3524 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3525 (instantiate_virtual_regs): Likewise.
3526 * var-tracking.c (adjust_stack_reference): Likewise.
3527 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3529 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
3531 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3532 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3533 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3535 ($(T)crtlibid.o): New rule.
3537 2005-11-16 Richard Guenther <rguenther@suse.de>
3540 * fold-const.c (extract_array_ref): Return byte offset
3542 (fold_binary): Fold &x[a] CMP &x[b] to
3543 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3546 2005-11-16 Richard Henderson <rth@redhat.com>
3549 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3550 parts of an SSA_NAME.
3552 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
3555 * arm.md (split for movsf with immediate): Restrict split to insns
3556 that set a general register.
3558 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3560 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
3562 * unwind-dw2.c (uw_advance_context): Likewise.
3563 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
3564 _Unwind_SjLj_Unregister.
3565 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3567 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3569 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3571 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3573 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3574 langhook to get a DImode integer type.
3576 2005-11-16 Richard Henderson <rth@redhat.com>
3577 J"orn Rennecke <joern.rennecke@st.com>
3578 Ulrich Weigand <uweigand@de.ibm.com>
3582 * reload1.c (reg_equiv_invariant): New.
3583 (reload): Allocate, initialize, and free it.
3584 (calculate_needs_all_insns): Check it when skipping equivalence
3586 (alter_reg): Likewise.
3587 (eliminate_regs_1): Rename from eliminate_regs. Add new
3588 may_use_invariant argument; only use reg_equiv_invariant when true.
3589 (eliminate_regs): New.
3590 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3591 a context for which may_use_invariant may be true.
3593 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3595 * fold-const.c (const_binop): Don't constant fold the operation
3596 if the result has overflowed and flag_trapping_math.
3597 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3599 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3601 * config/arm/unwind-arm.c (abort): Add prototype here.
3602 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3603 (struct phase1_vrs): Add prev_sp.
3604 (unwind_phase2_forced): Save the original core registers instead of
3605 modifying entry_vrs. Take a new flag argument for resuming unwinding
3606 and set action flags accordingly. Always set _US_END_OF_STACK when
3607 get_eit_entry fails. Unwind before calling the stop function.
3608 (_Unwind_GetCFA): New function.
3609 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3610 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3611 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3612 just call unwind_phase2_forced.
3613 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3614 * config/arm/unwind-arm.h (abort): Remove prototype.
3615 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3617 (_Unwind_GetCFA): New prototype.
3618 * config/arm/pr-support.c (abort): Add prototype here.
3619 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3621 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3622 not schedule the prologue with non-call exceptions and EABI.
3624 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
3626 * config/arm/unwind-arm.h: Reorder interface function declarations.
3627 (_URC_END_OF_STACK): New enumeration value.
3628 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3629 (struct _Unwind_Control_Block): Document reserved field use.
3630 (_Unwind_Stop_Fn): New typedef.
3631 (_Unwind_ForcedUnwind): Declare.
3632 (_Unwind_Resume_or_Rethrow): Declare.
3633 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3635 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3636 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3637 (UCB_FORCED_STOP_ARG): New.
3638 (search_EIT_table): Update boundary condition checks.
3639 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3640 (unwind_phase2): Replace for with do..while.
3641 (unwind_phase2_forced): New.
3642 (__gnu_Unwind_RaiseException): Replace for with do..while.
3643 (__gnu_Unwind_ForcedUnwind): New.
3644 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3645 Use appropriate phase2 unwinder.
3646 (__gnu_Unwind_Resume_or_Rethrow): New.
3647 (__gnu_unwind_pr_common): Cope with forced unwinding.
3649 2005-11-16 David Edelsohn <edelsohn@gnu.org>
3652 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3654 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3655 roundsf2): Remove "s" from mnemonic.
3657 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
3659 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3661 * config/bfin/crtn.s: Change epilogues to match.
3662 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3663 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3664 __PIC__ and __pic__.
3666 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
3669 * doc/invoke.texi: Distinguish between free and fixed form instead of
3670 Fortran and Fortran 90/95. Remove ratfor from the list of supported
3672 * gcc.c (default_compilers): Remove double entries, add entries for
3673 suffixes '.F90' and '.F95'.
3675 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3677 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3678 in the stack probing loop.
3680 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3682 * configure.ac: Use .machine power5 not power5x.
3683 * configure: Regenerate.
3685 2005-11-15 Mike Stump <mrs@apple.com>
3687 * c-decl.c (lookup_name_two): Add.
3688 * c-tree.h (lookup_name_two): Likewise.
3689 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3690 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3692 2005-11-16 Alan Modra <amodra@bigpond.net.au>
3694 PR rtl-optimization/23392
3695 * regrename.c (enum scan_actions) Add mark_access.
3696 (scan_actions_name): Ditto.
3697 (scan_rtx_reg): Handle mark_access.
3698 (scan_rtx_address): Do nothing for mark_access.
3699 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3700 and regs in REG_INC notes before closing chains for dead regs.
3701 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3702 opening chains for new writes.
3704 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3706 * c.opt (ffixed-line-length-none): New.
3708 2005-11-15 Steve Ellcey <sje@cup.hp.com>
3710 * mklibgcc.in: Change contents of eh_dummy.c.
3712 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3714 * loop.c (scan_loop): Do not insert temporaries for hard registers.
3716 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3718 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3720 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
3722 2005-11-15 Jan Hubicka <jh@suse.cz>
3724 * invoke.texi (large-unit-insns): Document.
3725 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3726 * params.def (large-unit-insns): New param.
3728 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
3731 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3732 special register for operand 3. Reindent constraints to align
3735 2005-11-14 David Edelsohn <edelsohn@gnu.org>
3737 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3738 -mpopcntb, -mfprnd. Add -mcpu=power5+.
3739 * configure.ac: Add test for FP rounding instructions.
3740 * configure: Regenerate.
3741 * config.in: Regenerate.
3742 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3743 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3745 * config/rs6000/rs6000.opt (mfprnd): New.
3746 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3747 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3748 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3749 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3750 (TARGET_FPRND): New.
3751 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3753 (btrunc<mode>2): New.
3755 (floor<mode>2): New.
3756 (round<mode>2): New.
3758 2005-11-14 Geoffrey Keating <geoffk@apple.com>
3760 * gcc.c (version_compare_spec_function): Use fatal() rather than
3763 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3764 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3765 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3767 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3770 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3771 on -mmacosx-version-min setting.
3773 2005-11-14 Diego Novillo <dnovillo@redhat.com>
3776 * tree-vrp.c (infer_value_range): Return false if STMT is a
3777 block terminator and its basic block has no successors.
3779 2005-11-14 Mike Stump <mrs@apple.com>
3781 * config/i386/i386.c (override_options): -masm=intel isn't
3782 supported on darwin.
3783 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3785 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
3787 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3788 vfork after including auto-host.h.
3790 2005-11-15 Alan Modra <amodra@bigpond.net.au>
3792 PR rtl-optimization/22002
3793 * combine.c (distribute_notes): Detect cases where a reg dies
3794 two or more times in a bb, including on the insn we are combining,
3795 and place the death note on the correct range.
3797 2005-11-14 Dale Johannesen <dalej@apple.com>
3799 * expmed.c (store_bit_field): Add offset unconditionally for
3801 (extract_bit_field): Don't force extzv or extv operand into
3802 a register if field is too big.
3804 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3806 * config/arm/arm.c (pic_labelno): New.
3807 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3808 LABEL_REF. Pass only the labelno to PIC insns.
3809 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3810 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3811 * arm.md (UNSPEC_PIC_LABEL): New constant.
3812 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3813 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3814 Use the correct label prefix.
3816 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3818 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3821 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
3823 * loop-invariant.c: Include tm_p.h.
3824 * Makefile.in: Updated.
3826 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3828 * pa.c (store_reg): Revise generation of frame notes in large frames.
3829 (set_reg_plus_d): Likewise.
3831 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
3833 PR tree-optimization/24709
3834 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3837 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
3839 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3840 and duplicate declaration of pthread_self.
3842 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
3843 Ian Lance Taylor <ian@airs.com>
3846 * calls.c (expand_call): If TARGET is a MEM and some part of the
3847 argument area has been saved, force TARGET to a register.
3849 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
3851 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3854 2005-11-13 Jason Merrill <jason@redhat.com>
3857 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3858 lazily declared methods.
3859 (force_decl_die): Stop if forcing out the context already make a
3861 (force_type_die): Likewise.
3863 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
3866 * builtins.c (integer_valued_real_p): Add break in
3867 REAL_CST having TREE_OVERFLOW set.
3869 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
3871 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3872 addressing modes during calculation of costs.
3874 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
3876 * function.c (assign_stack_local_1): Restrict sanity check
3877 on frame size overflow to 32-bit and above platforms.
3879 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3881 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3882 * config/cris/cris.c: Include reload.h.
3883 (cris_initial_elimination_offset): New function.
3884 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3887 2005-11-12 Richard Guenther <rguenther@suse.de>
3889 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3891 2005-11-12 Jan Hubicka <jh@suse.cz>
3893 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3894 to compare against 0 when possible.
3896 2005-11-12 Jie Zhang <jie.zhang@analog.com>
3898 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3899 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3900 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3901 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3904 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3906 * recog.c (constrain_operands) <case 'g'>: For a match, require
3907 that a non-register matches general_operand when strict >= 0.
3909 2005-11-11 Steven Bosscher <stevenb@suse.de>
3911 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3914 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3916 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3917 (memory_address_same): New.
3918 (dse_optimize_stmt): Call memory_address_same.
3920 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3923 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3924 ZERO_EXTEND>: New cases.
3926 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3928 * longlong.h (__clz_tab): Always provide.
3930 2005-11-11 Steven Bosscher <stevenb@suse.de>
3933 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3935 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3936 before check_maybe_invariant.
3937 (move_invariant_reg): Use gen_move_insn instead of replacing
3938 SET_DEST with the temporary for the invariant.
3939 (move_loop_invariants): If checking is enabled, do internal
3940 consistency checks after completing the pass.
3942 2005-11-11 David Edelsohn <edelsohn@gnu.org>
3945 * common.opt (Wvolatile-register-var): New.
3946 * varasm.c (make_decl_rtl): Only emit warning when option
3947 specified. Clarify warning message.
3948 * doc/invoke.texi (Wvolatile-register-var): Document new option.
3950 * doc/md.texi (copysign): Document standard named pattern.
3952 2005-11-11 Jie Zhang <jie.zhang@analog.com>
3954 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3955 bytes when align is 2.
3956 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3957 by the first instruction of the loop.
3959 2005-11-11 Jason Merrill <jason@redhat.com>
3962 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3965 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3967 PR rtl-optimization/22509
3968 * local-alloc.c (memref_used_between_p): Check whether a function call
3969 could not reference the memref.
3971 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
3973 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3974 algorithm so as to choose the best, not the worst, alternative.
3975 Reset accumulated register class before processing next alternative.
3977 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
3980 * calls.c (expand_call): Copy a return value to a plain register
3983 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
3986 * varasm.c (assemble_name): Recompute name only for transparent
3989 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
3991 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3993 2005-11-04 Jeff Law <law@redhat.com>
3996 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3997 perform reassociation if the parent statement will not die as
3998 a result of the optimization.
4000 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
4002 * tree-ssa-alias.c (compute_may_aliases): Remove call to
4003 delete_old_heap_vars.
4004 * tree-dfa.c (referenced_var_remove): Remove function.
4005 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
4006 (delete_tree_ssa): Remove call to delete_old_heapvars.
4007 Add call to delete_alias_heapvars.
4008 * tree-flow.h (referenced_var_remove): Remove prototype
4009 (init_alias_heapvars): New prototype.
4010 (delete_alias_heapvars): Ditto.
4011 * Makefile.in (tree-ssa-structalias.o): Add
4012 gt-tree-ssa-structalias.o
4013 (GTFILES): Add tree-ssa-structalias.h and
4014 tree-ssa-structalias.c.
4015 (s-gtype): Add gt-tree-ssa-structalias.h.
4016 * tree-ssa-structalias.c (heapvars): Remove.
4017 (oldheapvars): Remove.
4018 (heapvar_for_stmt): New variable.
4019 (heapvar_lookup): New function.
4020 (heapvar_insert): Ditto.
4021 (get_constraint_for): See if we have an old heapvar
4023 (init_alias_heapvars): New function.
4024 (delete_alias_heapvars): Ditto.
4025 Add include of gt-tree-ssa-structalias.h.
4027 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4030 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
4032 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
4034 * tree.c (int_fits_type_p): Only look at the base type
4035 if it has the same precision as the original type.
4037 2005-11-10 Jakub Jelinek <jakub@redhat.com>
4040 * varasm.c (assemble_alias): Use %q+D in the error
4041 message instead of %J and %qD.
4043 2005-11-10 Richard Guenther <rguenther@suse.de>
4045 * gcse.c (free_ldst_entry): Only free hashtable if
4048 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4050 * function.c (assign_stack_local_1): Issue an error message if
4051 the frame size overflows in the signed target arithmetics.
4053 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4055 * tree.c (build_qualified_type): Chain the new type to the original
4056 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4057 a POINTER_TYPE or a REFERENCE_TYPE respectively.
4058 (build_pointer_type_for_mode): Only return unqualified types.
4059 (build_reference_type_for_mode): Likewise.
4061 2005-11-09 Jakub Jelinek <jakub@redhat.com>
4063 * Makefile.in (gnucompare): Do comparison of all files using one of
4064 the chosen methods and only afterwards decide if just warning should
4065 be issued or comparison failure raised.
4067 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4069 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
4070 (noce_try_abs): Negate if the comparison is reversed.
4071 Look only one instruction backwards for a REG_EQUAL note.
4073 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
4076 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
4077 gthr-tpf.h: Define __gthrw. For all identifiers that might
4078 be weak, introduce weakrefs or non-weak aliases with __gthrw,
4079 and prefix all uses with __ghtrw.
4081 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
4084 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
4085 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
4086 * c-common.c (handle_weakref_attribute): New.
4087 (c_common_attribute_table): Add weakref.
4088 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
4090 * configure, config.in: Rebuilt.
4091 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
4092 * doc/extend.texi: Document weakref attribute.
4093 * varasm.c (ultimate_transparent_alias_target): New
4094 (assemble_name): Use it.
4095 (weak_finish_1): Split out of...
4096 (weak_finish): ... and deal with weakrefs in...
4097 (weakref_targets): ... new list.
4098 (globalize_decl): Clean up weakref_targets.
4099 (do_assemble_alias): Handle weakrefs.
4100 (finish_aliases_1): Do not reject weakrefs to external symbols.
4101 (assemble_alias): Handle weakrefs.
4103 2005-11-09 Richard Guenther <rguenther@suse.de>
4105 PR tree-optimization/24716
4106 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
4107 t_bool to track results from follow_ssa_edge.
4109 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4111 * final.c (force_source_line): New global variable.
4112 (final_scan_insn): Set it to true instead of clearing last_filename.
4113 (notice_source_line): Return true if force_source_line is true,
4114 unless source info is absent.
4116 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
4119 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
4120 a linkage name for a variable if it a register variable.
4121 * c-decl.c (grokdeclarator): Global register variables
4122 should be set as PUBLIC.
4124 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4127 * config/s390/s390.c (struct s390_frame_layout): New fields
4128 first_save_gpr_slot and last_save_gpr_slot.
4129 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
4130 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
4131 first_save_gpr and last_save_gpr with the _slot variants.
4132 (s390_register_info): Calculate first_save_gpr_slot and
4133 last_save_gpr_slot using regs_ever_live.
4135 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4138 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
4139 for a function containing a landing pad.
4141 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4144 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
4147 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
4149 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
4150 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
4152 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
4155 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
4157 (call,load,store): New insn types.
4158 (mem_access, branch_access): Adjust reservation conditions.
4159 (define_delay): Adjust condition.
4160 (decrement_and_branch_until_zero): Allow for ms2. Set branch
4162 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
4163 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
4165 (call_internal, call_value_internal, return_internal,
4166 return_interrupt_internal, eh_return_internal, indirect_jump,
4167 tablejump): Set call insn type.
4168 (blockage, ei, di): Use appropriate unspec const.
4169 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
4170 (ms1_get_attr_type): Adjust to give load & store types.
4171 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
4172 backwards past a barrier.
4173 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
4175 (struct branch_info, struct label_info): New.
4177 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
4178 (ms1_machine_reorg): New.
4179 (TARGET_MACHINE_DEPENDENT_REORG): Override.
4180 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
4181 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
4182 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
4185 2005-11-09 Per Bothner <per@bothner.com>
4186 Uros Bizjak <uros@kss-loka.si>
4189 * toplev.c (process_options): Initialize debug_hooks early
4190 in case lang_hooks.post_options ends up calling a debug_hook.
4192 2005-11-08 Jakub Jelinek <jakub@redhat.com>
4194 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
4195 DBX_REGISTER_NUMBER being contiguous.
4197 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
4198 Diego Novillo <dnovillo@redhat.com>
4201 * tree-vrp.c (register_edge_assert_for): Do not register
4202 always-false predicates.
4204 2005-11-08 Devang Patel <dpatel@apple.com>
4206 PR tree-optimization/23115
4207 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
4210 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
4212 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
4215 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
4217 Fix PR tree-optimization/23382
4219 * tree-ssa-alias.c (compute_may_aliases): Call
4220 delete_old_heap_vars.
4221 * tree-dfa.c (referenced_var_remove): New function.
4222 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
4223 * tree-flow.h (referenced_var_remove): Add prototype.
4224 (delete_old_heap_vars): Ditto.
4225 * tree-ssa-structalias.c (heapvars): New variable.
4226 (oldheapvars): Ditto.
4227 (get_constraint_for): Put heap vars on heapvars list.
4228 (delete_old_heap_vars): New function.
4230 2005-11-08 Jason Merrill <jason@redhat.com>
4232 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
4234 2005-11-08 Uros Bizjak <uros@kss-loka.si>
4237 * reg-stack.c (reg_to_stack): Update register liveness also
4238 for flag_sched2_use_traces.
4240 2005-11-08 Alan Modra <amodra@bigpond.net.au>
4243 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
4244 override prior explicit -mno-powerpc-gfxopt.
4246 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
4248 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
4249 if the bitsize is zero.
4250 * doc/md.texi (Standard Pattern Names): Document it.
4252 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
4253 (TARGET_PASS_BY_REFERENCE): Likewise.
4255 2005-11-07 Ian Lance Taylor <ian@airs.com>
4257 PR rtl-optimization/24683
4258 * config/i386/i386.c (legitimize_pic_address): If constant operand
4259 to PLUS is too large, put it in a register.
4261 2005-11-07 Jie Zhang <jie.zhang@analog.com>
4263 * configure.ac: Enable checking assembler dwarf2 support for bfin
4265 * configure: Regenerate.
4267 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
4271 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
4272 gen_easy_vector_constant_add_self): Delete.
4273 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
4275 (output_vec_const_move): Use gen_easy_altivec_constant.
4276 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
4277 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
4278 (easy_vector_constant_add_self): Rewritten.
4279 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
4280 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
4281 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
4282 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
4283 Macroize and adjust for the other changes.
4285 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
4289 * c-typeck.c (build_c_cast): Try using a shared constant, and see
4290 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
4292 2005-11-07 Jakub Jelinek <jakub@redhat.com>
4294 PR rtl-optimization/23567
4295 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
4296 (noce_process_if_block): Don't do any optimizations except
4297 if (cond) x = x; if !set_b and write into orig_x may trap
4298 or fault. Remove the MEM_READONLY_P check.
4300 2005-11-06 Diego Novillo <dnovillo@redhat.com>
4303 * tree-vrp.c (fix_equivalence_set): New.
4304 (extract_range_from_assert): Call it.
4306 2005-11-05 Ian Lance Taylor <ian@airs.com>
4309 * combine.c (apply_distributive_law): Don't distribute across a
4312 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
4314 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
4315 config/ms1/ms1.h, config/rs6000/predicates.md,
4316 config/s390/s390.c, params.def, postreload-gcse.c,
4317 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
4318 tree-vrp.c, tree.c: Fix comment typos.
4319 * doc/invoke.texi: Fix typos.
4321 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
4323 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
4324 for testing whether the data_dependence_relation contains distance
4325 vectors. Iterate over all distance vectors of the ddr.
4326 * lambda.h: Define a vec of lambda_vector pointers.
4327 * tree-data-ref.c (dump_data_dependence_relation,
4328 dump_data_dependence_direction): Iterate over all distance and
4329 direction vectors of the ddr.
4330 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
4332 (build_classic_dist_vector, build_classic_dir_vector): Push a set
4333 of distance/direction vectors instead of a single one.
4334 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
4335 lambda_vectors with a vec of lambda_vectors.
4336 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
4337 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
4338 DDR_NUM_DIST_VECTS): New.
4339 * tree-loop-linear.c (gather_interchange_stats): Test for the
4340 existence of distance vectors only after having checked that there
4341 is a dependence. Iterate over all distance vectors of the ddr.
4342 (linear_transform_loops): Use dump_data_dependence_relation.
4343 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
4344 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
4345 distance vectors of the ddr.
4347 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
4349 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
4350 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
4351 IS_INTHANDLER; all callers changed.
4352 (n_regs_saved_by_prologue): Take interrupt handler attributes into
4354 (do_link, do_unlink): New argument ALL; all callers changed.
4355 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
4356 If function isn't leaf, save and restore all registers.
4357 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
4360 2005-11-05 Jan Hubicka <jh@suse.cz>
4362 PR rtl-optimization/23490
4363 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
4364 max-flow-memory-location): Document.
4365 * flow.c: Include params.h
4366 (MAX_MEM_SET_LIST_LEN): Kill.
4367 (add_to_mem_set_list): Use new param.
4368 * cse.c (cse_basic_block): Replace 1000 by new param.
4369 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
4370 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
4371 * predict.c (predict_loops): Use new param.
4372 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
4374 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
4375 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4376 Do not hold memory returned by cgraph_node_name across other call.
4378 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
4381 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
4384 2005-11-04 Jeff Law <law@redhat.com>
4387 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
4388 * tree-ssa-dom.c: Include params.h.
4389 (thread_across_edge): If there are too many statements in the
4390 target block, then do not thread through it.
4391 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
4392 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
4394 2005-11-03 Diego Novillo <dnovillo@redhat.com>
4397 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
4398 TODO_update_ssa instead of TODO_update_ssa_no_phi.
4400 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
4403 * tree-scalar-evolution.c (instantiate_parameters_1,
4404 instantiate_parameters, resolve_mixers): Compute the size of an
4405 expression to be instantiated and give up the instantiation if the
4406 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4408 2005-11-04 Richard Guenther <rguenther@suse.de>
4410 * tree-flow.h (ref_contains_indirect_ref): Rename to
4411 array_ref_contains_indirect_ref.
4412 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
4413 (array_ref_contains_indirect_ref): Make comment match the code
4415 (ref_contains_array_ref): Likewise.
4416 * tree-ssa-structalias.c (find_func_aliases): Remove call to
4417 ref_contains_indirect_ref.
4418 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4419 Rename calls to ref_contains_indirect_ref.
4421 2005-11-04 Paul Brook <paul@codesourcery.com>
4423 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
4424 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
4425 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4426 * config/arm/arm.md: Use match_operand in peephole input templates
4427 and match_dup in peephole output templates.
4429 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4431 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
4434 2005-11-04 Mark Mitchell <mark@codesourcery.com>
4435 Daniel Jacobowitz <dan@codesourcery.com>
4437 * longlong.h (add_ssaaaa): Clobber condition code register
4439 (sub_ddmmss): Likewise.
4440 (umul_ppmm): Likewise.
4442 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4443 Paul Brook <paul@codesourcery.com>
4444 Phil Blundell <pb@reciva.com>
4446 * configure.ac: Add test for ARM TLS support.
4447 * configure: Regenerated.
4448 * config/arm/arm-protos.h (legitimize_tls_address)
4449 (arm_tls_referenced_p, tls_mentioned_p)
4450 (arm_output_addr_const_extra): New prototypes.
4451 (thumb_legitimize_pic_address): Delete.
4452 * config/arm/arm.c: Include "gt-arm.h".
4453 (enum tls_reloc): New.
4454 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
4455 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
4456 (arm_call_tls_get_addr, legitimize_tls_address)
4457 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
4458 (arm_init_tls_builtins, arm_emit_tls_decoration)
4459 (arm_output_addr_const_extra): New functions.
4460 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
4461 (TARGET_HAVE_TLS): Define.
4462 (target_thread_pointer): New.
4463 (arm_override_options): Handle -mtp=.
4464 (legitimize_pic_address): Ignore UNSPECs.
4465 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4467 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4468 (tls_get_addr_libfunc): New variable.
4469 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4470 (arm_init_builtins): Call arm_init_tls_builtins.
4471 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4472 (arm_encode_section_info): Call default_encode_section_info.
4473 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4474 (enum arm_tp_type): New.
4475 (target_thread_pointer): Add declaration.
4476 (LEGITIMATE_CONSTANT_P): Handle TLS.
4477 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4478 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4479 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4480 * config/arm/arm.md: Add UNSPEC_TLS.
4481 (movsi): Handle TLS.
4482 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4484 (tls_load_dot_plus_eight): New insn and a peephole to create it.
4485 (load_tp_hard, load_tp_soft): New insns.
4486 * arm.opt: Add -mtp=.
4487 * doc/invoke.texi (ARM Options): Document -mtp.
4489 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4491 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4492 * config/arm/libunwind.S: Include "lib1funcs.asm".
4493 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4494 (LIB2ADDEH): Add libunwind.S.
4495 (LIB2ADDEHDEP): Add lib1funcs.asm.
4496 * mklibgcc.in: Handle asm files in libgcc_eh.a.
4498 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4501 * gcc/c.opt: Add a -lang-fortran option.
4502 * gcc/c-opts.c: Add a lang_fortran flag.
4503 (c_common_init_options): Handling the -lang-fortran option.
4504 (c_common_handle_option): Add a case for Fortran options in
4505 preprocessing. Remove cases for -ffixed-form and
4506 -ffixed-line-length. Add a case for -lang-fortran.
4508 2005-11-03 David Edelsohn <edelsohn@gnu.org>
4510 * config/rs6000/rs6000.c: Include params.h
4511 (optimization_options): Set max-grow-copy-bb-insns default to 16.
4512 (bdesc_2arg): Delete vpkuhss and vpkuwss.
4513 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4514 (UNSPEC_VPKUWSS): Delete.
4515 (altivec_vpkuhss): Delete.
4516 (altivec_vpkuwss): Delete.
4517 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4519 (neg_eq0<mode>): Remove final condition.
4520 (neg_eq<mode>): Remove condition and split-condition.
4522 2005-11-04 Alan Modra <amodra@bigpond.net.au>
4524 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4525 Use associated print macros.
4527 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4530 * diagnostic.c (diagnostic_set_info_translated): New function.
4531 (diagnostic_set_info): Use it. Add comment.
4532 * diagnostic.h (diagnostic_set_info_translated): Declare.
4534 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
4536 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4537 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4538 reference only if 'public' is true.
4539 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4540 emit the .hidden directive only if the indirect reference is public.
4541 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4542 Pass it to dw2_force_const_mem.
4543 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4544 * dwarf2out.c (output_cfi): Adjust calls to above function.
4545 (output_call_frame_info): Likewise.
4546 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4547 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4549 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
4551 PR tree-optimization/24483
4552 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4553 field to elts if possible.
4555 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4558 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4561 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
4563 Fix PR tree-optimization/24351
4565 * tree-ssa-structalias.c (struct variable_info): Add
4567 (get_varinfo_fc): New function to follow collapsing.
4568 (new_var_info): Set collapsed_to to NULL.
4569 (dump_constraint): Follow collapsing.
4570 (build_constraint_graph): Handle collapsing.
4571 (do_simple_structure_copy): Return false if something bad
4573 (collapse_rest_of_var): New function.
4574 (do_structure_copy): Collapse if do_simple_structure_copy returns
4577 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4580 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4581 expressions to a statement list instead of gimplifying them.
4583 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4585 PR rtl-optimization/23585
4586 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4587 that can't trap plus a constant integer, if the mode has zero size.
4589 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
4592 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4594 ("*insv<mode>_reg_extimm"): Likewise.
4596 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4599 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4600 c_common_type_for_mode returns an unnamed type.
4602 2005-11-02 Richard Henderson <rth@redhat.com>
4606 * dwarf2out.c (dwarf2out_reg_save_reg): New.
4607 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4608 * function.c (assign_parms): Use calls.internal_arg_pointer.
4609 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4611 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4612 (TARGET_CALLS): Add it.
4613 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4614 * targhooks.c (default_internal_arg_pointer): New.
4615 * targhooks.h (default_internal_arg_pointer): Declare.
4616 * tree.h (dwarf2out_reg_save_reg): Declare.
4617 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4618 * config/i386/i386.c (dbx_register_map): Add return column.
4619 (dbx64_register_map, svr4_dbx_register_map): Likewise.
4620 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4621 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4622 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4623 (ix86_save_reg): Save force_align_arg_pointer.
4624 (ix86_emit_save_regs): Make regno unsigned.
4625 (ix86_emit_save_regs_using_mov): Likewise.
4626 (ix86_expand_prologue): Handle force_align_arg_pointer.
4627 (ix86_expand_epilogue): Likewise.
4628 * config/i386/i386.h: (dbx_register_map): Update.
4629 (dbx64_register_map, svr4_dbx_register_map): Update.
4630 (struct machine_function): Add force_align_arg_pointer.
4631 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4632 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4633 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4635 2005-11-02 Jan Hubicka <jh@suse.cz>
4638 * i386.md: Add peep2 for simplyfing array accesses.
4640 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4643 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4644 * config/s390/s390.c (s390_decompose_shift_count): New function.
4645 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4646 (print_shift_count_operand): Use s390_decompose_shift_count.
4647 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4648 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
4650 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4653 * loop.c (loop_givs_rescan): Use force_operand to expand
4656 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
4659 * fold-const.c (build_range_check): Use unsigned when signed
4660 overflow is undefined also. If etype is subtype, make sure that
4661 the subtraction is in the supertype.
4663 2005-11-02 Richard Henderson <rth@redhat.com>
4666 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4669 2005-11-01 Richard Henderson <rth@redhat.com>
4672 * loop.c (scan_loop): Do not propagate computations to a hard
4673 register destination with SMALL_REGISTER_CLASSES.
4675 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
4677 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4678 costs for MULT inside PLUS or MINUS.
4680 2005-11-01 Bob Wilson <bob.wilson@acm.org>
4682 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4683 (TRAMPOLINE_SIZE): Round up to 60.
4684 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4686 2005-10-31 James E. Wilson <wilson@specifix.com>
4689 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4690 ifdef. Put ifdefs around call in gen_subprogram_die.
4691 (compute_frame_pointer_to_cfa_displacement): Likewise.
4692 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4695 PR rtl-optimization/17356
4696 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
4697 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4699 2005-10-31 Jan Hubicka <jh@suse.cz>
4702 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4705 * i386.c (legitimize_pic_address): Deal with large immediates.
4708 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4709 from symbol names while computing checkup.
4712 * predict.c (predict_loops): Do not estimate more than
4713 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4714 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4716 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
4718 PR tree-optimization/19097
4719 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4721 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
4723 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4725 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
4728 * tree-inline.c (setup_one_parameter): If the init_stmt
4729 is NULL, don't insert the statement.
4731 2005-10-30 Jan Hubicka <jh@suse.cz>
4733 PR tree-optimization/24172
4734 * tree-inline.c (copy_body_r): Unshare the substituted value first.
4736 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
4738 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4739 constants for hosts with long != 32 bits.
4741 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
4744 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4746 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
4748 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4749 (TARGET_MS1_16_002): New.
4750 (TARGET_MS1_16_003): New.
4752 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4753 ("*decrement_and_branch_until_zero_no_clobber"): New.
4754 Add corresponding splitter for decrement_and_branch_until_zero
4756 Key all decrement_and_branch_until_zero patterns off of
4759 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
4762 * tree-complex.c (extract_component): Treat RESULT_DECL
4763 like the rest of the decls.
4765 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
4767 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4768 indirect call to _mcount if the function needs a static chain.
4770 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
4771 Caroline Tice <ctice@apple.com>
4773 PR rtl-optimization/24460
4774 * dwarf2out.c (have_switched_text_sections): New boolean variable.
4775 (dwarf2out_switch_text_section): Set it to true instead of
4776 incrementing separate_line_info_table_in_use.
4777 (output_loc_list): Additionally test have_switched_text_sections.
4778 (output_ranges): Likewise.
4779 (dwarf2out_finish): Likewise.
4780 * varasm.c (assemble_start_function): Do not call
4781 insert_section_boundary_note.
4782 (assemble_end_function): If flag_reorder_blocks_and_partition,
4783 switch to the function's section before emitting the .size directive.
4784 * bb-reorder.c (insert_section_boundary_note): Staticify.
4785 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4786 * output.h (insert_section_boundary_note): Delete.
4788 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
4791 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4792 instead of pointer equality when comparing types.
4794 2005-10-24 James E. Wilson <wilson@specifix.com>
4796 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4797 add_dependence_list_and_free calls.
4799 2005-10-24 Steven Bosscher <stevenb@suse.de>
4801 * contrib.texi: Add the names of the LLNL folks who donated
4802 Cray pointer support for gfortran.
4804 2005-10-24 Steven Bosscher <stevenb@suse.de>
4806 PR tree-optimization/24225
4807 * profile.c (branch_prob): Look from end to start through a
4808 basic block when looking for a locus.
4810 2005-10-24 Richard Henderson <rth@redhat.com>
4812 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4814 (hppa_expand_prologue): Likewise.
4816 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4818 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4819 (NO_DEFERRED_PROFILE_COUNTERS): Define.
4820 * pa.h (NO_PROFILE_COUNTERS): Define.
4821 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4822 (funcdef_nos): New vector to hold label numbers of deferred profile
4824 (output_deferred_profile_counters): New function.
4825 (hppa_profile_hook): Push label number onto funcdef_nos.
4826 (pa_hpux_file_end): Call output_deferred_profile_counters if
4827 NO_DEFERRED_PROFILE_COUNTERS is false.
4829 * pa-protos.h (get_deferred_plabel): New prototype.
4830 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
4832 (output_call): Adjust calls.
4834 2005-10-24 Alan Modra <amodra@bigpond.net.au>
4836 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4837 peculiarity of GOT/TOC section usage.
4839 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
4842 * c-common.c (constant_string_class_name): Add documentation.
4844 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
4847 * recog.c (peephole2_optimize): Increment peep2_current_count
4848 only when the slot is empty.
4850 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4853 * except.c (output_function_exception_table): Call
4854 assemble_external_libcall if we need a personality function.
4856 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4858 PR rtl-optimization/24460
4859 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4860 set the basic block for barriers.
4862 2005-10-21 Janis Johnson <janis187@us.ibm.com>
4864 * var-tracking.c (vt_initialize): Initialize post.
4866 2005-10-21 Devang Patel <dpatel@apple.com>
4869 * c-common.c (vector_types_convertible_p): Check vector element type.
4871 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
4873 * config/sh/sh.c (prepare_move_operands): Handle the address
4874 constant which is a tls symbolic address plus a constant.
4876 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
4879 * gcc.c (main): Use the correct counter for erroring out
4880 about mulitple files.
4882 2005-10-21 Alan Modra <amodra@bigpond.net.au>
4885 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4886 use r2 for 64-bit tls .got access.
4888 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
4890 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4893 2005-10-20 Steven Bosscher <stevenb@suse.de>
4895 PR tree-optimization/24307
4896 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4898 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
4901 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4903 * varasm.c (find_decl_and_mark_needed): After cgraph global info
4904 is ready, stop marking functions, but still mark variables.
4906 2005-10-20 Richard Guenther <rguenther@suse.de>
4909 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4912 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
4914 PR rtl-optimization/23585
4915 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4916 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
4917 (may_trap_p_1): New predicate extracted from...
4918 (may_trap_p): ... here. Invoke may_trap_p_1.
4919 (may_trap_or_fault_p): New predicate.
4920 * rtl.h (may_trap_or_fault_p): Declare it.
4921 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4922 instead of may_trap_p.
4923 (steal_delay_list_from_fallthrough): Likewise.
4924 (fill_simple_delay_slots): Likewise.
4925 (fill_slots_from_thread): Likewise.
4926 * function.c (pad_to_arg_alignment): Rework comment about
4927 SPARC_STACK_BOUNDARY_HACK.
4928 * config/sparc/sparc.h: Likewise.
4930 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
4932 * config/s390/s390.c (s390_expand_insv): New.
4933 * config/s390/s390-protos.h (s390_expand_insv): Declare.
4934 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4935 ("icm_hi"): Remove mode attribute.
4936 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4938 ("*extracthi", "*extractqi"): Remove.
4939 (extv<mode>", "*extzv<mode>"): New.
4940 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4941 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4943 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4945 * cfgexpand.c (discover_nonconstant_array_refs_r,
4946 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4947 (tree_expand_cfg): Call discover_nonconstant_array_refs.
4948 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4949 discover_nonconstant_array_refs.
4951 2005-10-19 Steven Bosscher <stevenb@suse.de>
4954 * c-decl.c (pop_scope): Don't warn about an unused variable
4955 if it is marked with TREE_NO_WARNING.
4956 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4957 somenow mismatch and olddecl is to be replaced.
4959 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
4962 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4963 whether registers live on the edge can be saved/restored.
4965 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
4967 * config/sh/sh.c (fixup_mova): Skip notes.
4969 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4971 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4972 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4973 (s390_can_eliminate): Handle BASE_REGNUM elimination.
4974 (s390_initial_elimination_offset): Likewise.
4975 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4976 register on TARGET_ZARCH targets.
4977 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4978 (INITIAL_FRAME_POINTER_OFFSET): Remove.
4979 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4980 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4982 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
4984 * config/s390/s390.md: Comment describing output modifiers updated.
4985 * config/s390/s390.c (print_operand): Likewise.
4987 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
4989 * config/s390/s390.c (override_options): Added check for -mstack-size
4991 * doc/invoke.texi: Mention that limit in the documenation.
4993 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
4996 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4998 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
5000 Fix PR tree-optimization/24231
5002 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
5003 (compute_avail): Ditto.
5005 2005-10-18 Richard Henderson <rth@redhat.com>
5008 * config/i386/i386.c (legitimate_constant_p): Check
5009 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
5011 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
5012 (legitimate_pic_address_disp_p): Reorg CONST checking to make
5013 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
5015 (print_operand_address): Likewise.
5016 * config/i386/predicates.md (x86_64_immediate_operand): Test
5017 SYMBOL_REF_TLS_MODEL properly inside CONST.
5018 (x86_64_zext_immediate_operand): Likewise.
5019 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
5020 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
5021 * config/i386/i386-protos.h: Remove predicates.md entries.
5023 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
5025 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
5026 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
5028 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
5029 Ian Lance Taylor <ian@airs.com>
5032 * fold-const.c (fold_widened_comparison): Do not allow range based
5033 constant folding when right operand cannot be unwidened.
5035 2005-10-17 Richard Henderson <rth@redhat.com>
5037 * builtins.c (expand_builtin_synchronize): Build a new-style asm
5038 with a memory clobber.
5040 2005-10-17 James E Wilson <wilson@specifix.com>
5042 PR rtl-optimization/17356
5043 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
5044 checking for EDGE_EH.
5046 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
5048 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
5049 the slot on an even boundary for any type with 16-byte alignment.
5051 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
5054 * md.texi (Modifiers) <%>: Clarify that % doesn't work
5055 after register allocation.
5057 2005-10-17 DJ Delorie <dj@redhat.com>
5059 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
5062 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
5065 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
5068 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
5070 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
5071 to 2 if it's already non-zero.
5072 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
5073 is set and warn about it if flag_schedule_insns is 1.
5075 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
5077 * config/crx/crx.md: Compare-and-branch instructions need to
5080 2005-10-17 Uros Bizjak <uros@kss-loka.si>
5083 * config/i386/i386.md (*pushdi2_rex64 splitter)
5084 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
5085 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
5086 flow2 pass only when (optimize > 0 && flag_peephole2).
5088 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
5091 * gcc.c (have_c): New static variable.
5093 (process_command): Remove declation of have_c.
5094 Set have_o to 1 when handling -o.
5095 (main): Add a fatel error if there are multiple
5096 files specified and -o and -c/-S is passed witout
5097 -combine or multiple languages.
5099 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
5101 Fix PR tree-optimization/22444
5102 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
5103 Assert that we don't hit something with subvars.
5104 (setup_pointers_and_addressables): Don't add things with subvars,
5105 because we'll already process the subvars for aliasing purposes.
5107 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
5110 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
5111 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
5112 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
5113 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
5114 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
5115 swapped, alternatives for the R constraint.
5118 * builtins.c (get_builtin_sync_mode): Make unlimited
5119 mode_for_size request.
5121 2005-10-15 Richard Henderson <rth@redhat.com>
5123 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
5124 (gimplify_expr): ... here.
5125 (gimplify_compound_lval): Use it in initial scan loop. Allow
5126 fb_lvalue in base expression.
5128 2005-10-15 Richard Henderson <rth@redhat.com>
5131 * builtins.c (expand_builtin_trap): Export.
5132 * expr.h (expand_builtin_trap): Declare.
5133 * expr.c (expand_assignment): Emit a trap for integral offsets
5134 from registers that weren't reduced to bitpos.
5136 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
5137 (mark_array_ref_addressable): Remove.
5138 * tree-flow.h (mark_array_ref_addressable): Remove.
5139 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
5141 2005-10-15 James E Wilson <wilson@specifix.com>
5144 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
5145 (add_dependence_list_and_free): Likewise.
5146 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
5149 2005-10-15 Diego Novillo <dnovillo@redhat.com>
5153 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
5154 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
5156 (vrp_visit_phi_node): Only prevent infinite iterations when
5157 the previous result and the new result are both VR_RANGEs.
5159 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
5161 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
5164 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5167 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
5170 2005-10-14 Per Bothner <per@bothner.com>
5172 PR preprocessor/21250
5173 * c-ppoutput.c (print_line): Print internal line 0 as 1.
5175 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
5178 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
5179 overflow flags. Refactor some conditionals.
5181 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
5184 * tree-dfa.c (add_referenced_var): Only look at decls which
5185 have TREE_CONSTANT or TREE_READONLY set instead of if
5186 !TREE_PUBLIC or !TREE_CONSTANT.
5188 2005-10-13 James E Wilson <wilson@specifix.com>
5190 * doc/invoke.texi: For -x, add f95-cpp-input.
5191 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
5193 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
5195 PR tree-optimization/24262
5196 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
5197 in loop all the time.
5199 2005-10-12 Richard Henderson <rth@redhat.com>
5202 * tree.h (DECL_TRANSPARENT_UNION): Remove.
5203 * function.c (assign_parm_find_data_types): Don't support it.
5204 * print-tree.c (print_node): Likewise.
5205 * c-common.c (handle_transparent_union_attribute): Likewise.
5206 Use build_duplicate_type.
5207 * tree-inline.c (remap_type_1): Split out of remap_type;
5208 properly remap aggregate fields.
5209 (build_duplicate_type): New.
5210 * doc/extend.texi (Variable Attributes): Remove documentation
5211 for transparent_union.
5213 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5216 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
5217 (gen_stack_pointer_dec): Likewise.
5219 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
5223 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
5225 (struct cxx): Add adjust_class_at_definition target hook.
5226 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
5227 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
5228 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
5229 hook_void_tree. Add to TARGET_CXX.
5230 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
5232 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
5233 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
5234 instead of attribute. Check for dllexport override. Warn if
5235 inconsistent dll linkage. Don't lose old dllimport if decl has
5236 had address referenced. Tweak lookup of dllimport atribute.
5237 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
5238 for target specific rules. Don't add dllimport attribute if
5239 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
5240 dllimport attribute.
5241 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
5242 * varasm.c (initializer_constant_valid_p): Replace
5243 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
5247 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
5248 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
5249 (i[34567]86-*-mingw32*): Likewise.
5251 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
5252 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
5254 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
5255 C++-specific code. Change return value to bool.
5256 (i386_pe_dllimport_p): Likewise.
5257 (associated_type): Simplify and make language-independent
5258 (i386_pe_encode_section_info): Replace override of ambiguous
5259 dllimport symbol refs with a gcc_assert.
5260 (i386_pe_valid_dllimport_attribute_p): Define.
5261 * config/i386/winnt-cxx.c: New file. Define C++ versions of
5262 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5263 i386_pe_adjust_class_at_definition.
5264 * config/i386/winnt-stubs.c: New file. Define stub versions of
5265 lang-specific functions.
5266 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
5267 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5268 i386_pe_adjust_class_at_definition.
5269 (i386_pe_valid_dllimport_attribute_p): Declare.
5270 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
5271 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
5272 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
5275 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
5276 dllimport attribute with test of DECL_DLLIMPORT_P.
5278 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
5280 * combine.c (make_extraction): Correct offset computation.
5282 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
5284 * config/cris/t-linux (LIMITS_H_TEST): Define.
5286 2005-10-12 Richard Henderson <rth@redhat.com>
5289 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
5291 2005-10-12 Richard Guenther <rguenther@suse.de>
5293 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
5295 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
5298 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
5299 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
5302 2005-10-12 Richard Guenther <rguenther@suse.de>
5305 * varasm.c (output_constant): Correct typo from previous
5308 2005-10-11 Ian Lance Taylor <ian@airs.com>
5310 PR rtl-optimization/13931
5311 * combine.c: Revert patch of 2003-05-14, and:
5312 (try_combine): Only set elim_i1 and elim_i2 if the destination is
5313 completely killed in the appropriate insn.
5314 (distribute_notes): Don't skip multiple hard register test for
5315 elim_i1 and elim_i2.
5317 2005-10-11 Richard Henderson <rth@redhat.com>
5320 * c-typeck.c (convert_for_assignment): Use build_constructor_single
5321 to initialize a transparent union instead of a nop_expr.
5323 2005-10-11 Richard Henderson <rth@redhat.com>
5325 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
5326 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
5327 (tree_ssa_dce_loop): Call scev_reset.
5330 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
5331 * tree-ssa-dce.c: Include cfgloop.h.
5332 (tree_ssa_dce_loop, pass_dce_loop): New.
5333 * tree-pass.h (pass_dce_loop): Declare it.
5334 * passes.c (init_optimization_passes): Use it.
5336 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5339 * convert.c (convert_to_real): Revert 2005-10-05 patch.
5340 Only apply the optimization for rounding builtins if the inner
5341 cast is also an extension.
5343 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
5346 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
5347 mark_new_vars_to_rename instead of update_stmt.
5349 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
5351 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
5353 2005-10-11 Jakub Jelinek <jakub@redhat.com>
5355 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
5356 for setting MMX register to 0 rather than mmx.
5358 2005-10-10 Steve Ellcey <sje@cup.hp.com>
5361 * configure.ac: Move gas check from mips specific case to common case.
5362 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
5363 * configure: Regenerate
5364 * doc/install.texi: Update.
5366 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5369 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
5371 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
5373 * gcc.c (do_spec_1): Accept numeric characters in file name
5376 2005-10-10 Nick Clifton <nickc@redhat.com>
5378 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
5379 describing the deleted arm_gen_rotated_half_load function.
5381 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
5383 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
5386 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
5388 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
5390 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
5391 (EXTRA_MULTILIB_PARTS): Define.
5392 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5393 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5394 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
5395 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5396 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5397 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
5399 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
5401 PR tree-optimization/24226
5402 * tree-cfg.c (remove_bb): Clean up unreachable loops.
5403 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
5404 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
5407 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5409 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
5411 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
5414 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
5415 Rewrite for no need for the early clobber.
5417 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
5419 Merge from csl-arm-branch:
5420 2005-09-07 Paul Brook <paul@codesourcery.com>
5421 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
5424 2005-04-30 Paul Brook <paul@codesourcery.com>
5425 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
5426 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
5428 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
5429 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
5430 (arm_override_options): Use TARGET_AAPCS_BASED.
5431 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
5432 (PTRDIFF_TYPE): Use int for AAPCS.
5433 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
5434 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
5435 (DEFAULT_SHORT_ENUMS): Delete.
5436 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
5438 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
5439 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
5440 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
5441 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
5443 2004-12-03 Mark Mitchell <mark@codesourcery.com>
5444 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
5446 2004-11-22 Mark Mitchell <mark@codesourcery.com>
5447 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
5449 2004-11-19 Mark Mitchell <mark@codesourcery.com>
5450 * config.gcc (arm*-*-linux-gnueabi): Add it.
5451 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
5453 (TARGET_OS_CPP_BUILTINS): Likeiwse.
5454 * config/arm/linux-eabi.h: New file.
5455 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
5456 (LINUX_TARET_LINK_SPEC): Likewise.
5457 (LINK_SPEC): Use it.
5458 * config/arm/t-linux-eabi: New file.
5460 2005-10-08 Steven Bosscher <stevenb@suse.de>
5463 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
5465 (PARAM_SMS_DFA_HISTORY): Likewise.
5467 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
5470 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5471 (load_register_parameters): Call it.
5472 (check_sibcall_argument_overlap_1): Likewise.
5473 (store_one_arg): Likewise.
5475 2005-10-07 James E. Wilson <wilson@specifix.com>
5477 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5478 DImode not VECINT24 for operand 2.
5481 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5485 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5486 fr_spill): Use destination_operand for operand 0.
5488 2005-10-07 DJ Delorie <dj@redhat.com>
5490 * varasm.c (output_constant): Limit error to expanding
5493 2005-10-07 Richard Guenther <rguenther@suse.de>
5496 * fold-const.c (fold_binary): Fix operand types during folding
5497 of X op (A, Y). Evaluation order of the side-effects of
5498 X and A are frontend-defined, so ensure we honour that even for
5499 tcc_comparison class operands; eased by removing duplicate code.
5501 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5503 * stor-layout.c (layout_type): Do not allow alignment of array
5504 elements to be greater than their size.
5506 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5508 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5510 (hppa*-*-linux*): Ditto.
5511 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5512 * config/host-hpux.c: New.
5513 * config/x-hpux: New.
5514 * config/pa/x-hpux: Remove.
5515 * config/pa/x-linux: Remove.
5516 * config/pa/pa-host.c: Remove.
5518 2005-10-07 Jeff Law <law@redhat.com>
5520 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5521 determine whether or not to try and thread outgoing edges.
5523 2005-10-07 David Edelsohn <edelsohn@gnu.org>
5525 * config/rs6000/rs6000.md (eqsi_power): New.
5526 (neg_eq0si): Add TARGET_POWER to final condition.
5529 2005-10-06 Richard Henderson <rth@redhat.com>
5531 * config/rs6000/rs6000.c: Revert last change.
5533 2005-10-06 Richard Henderson <rth@redhat.com>
5535 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5536 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5538 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
5542 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5543 out return_label and naked_return_label.
5545 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5547 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5550 2005-10-06 Richard Henderson <rth@redhat.com>
5553 * tree-inline.c (declare_return_variable): Handle modify_dest not
5556 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5558 Fix PR tree-optimization/22488
5559 * tree-ssa-structalias.c (check_for_overlaps): New function.
5560 (create_variable_info_for): Use it.
5562 2005-10-06 Richard Henderson <rth@redhat.com>
5565 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5566 (dwarf2out_start_source_file): Print it.
5568 2005-10-06 Geoffrey Keating <geoffk@apple.com>
5570 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5572 2005-10-06 Richard Henderson <rth@redhat.com>
5575 * mode-switching.c (optimize_mode_switching): Clear transp bit
5576 for block with incomming abnormal edges.
5578 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5579 (fpscr_set_from_mem): Use them.
5580 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5581 (fpscr postinc splitters): Rewrite as peephole2+split.
5583 2005-10-06 David Edelsohn <edelsohn@gnu.org>
5585 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5586 (eq<mode>_compare): Same.
5588 2005-10-06 Richard Guenther <rguenther@suse.de>
5590 PR tree-optimization/24238
5591 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5593 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
5595 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5596 here. Use AC_PATH_PROG for environment variables instead of
5598 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
5600 * configure: Regenerated.
5602 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
5605 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5606 then force it into a register.
5607 (call_value): Likewise.
5609 2005-10-06 Richard Henderson <rth@redhat.com>
5612 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5613 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
5614 under pass_vectorize.
5616 2005-10-05 Devang Patel <dpatel@apple.com>
5619 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5620 handling constants. Check NAMESPACE_DECL context for constants.
5622 2005-10-05 Eric Christopher <echristo@apple.com>
5624 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5626 2005-10-05 Richard Henderson <rth@redhat.com>
5629 * tree-cfg.c (mark_array_ref_addressable_1): New.
5630 (mark_array_ref_addressable): New.
5631 * tree-flow.h (mark_array_ref_addressable): Declare.
5632 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5634 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
5638 * reload.c (subst_reloads): When adding a REG_LABEL to a
5639 jump instruction, also update JUMP_LABEL.
5641 2005-10-05 David Edelsohn <edelsohn@gnu.org>
5643 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5644 * bb-reorder.c (copy_bb_p): Use it.
5645 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5647 2005-10-05 Richard Henderson <rth@redhat.com>
5650 * toplev.c (process_options): Warn about unsupported combinations
5651 of unwind tables and omit-frame-pointer.
5652 * config/i386/i386.c (override_options): Similarly. Enable
5653 accumulate-outgoing-args if not explicitly disabled.
5655 2005-10-05 Steve Ellcey <sje@cup.hp.com>
5657 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5658 Handle big endian vs. small endian.
5659 (vec_initv2sf): Handle big endian vs. small endian.
5660 (*vec_extractv2sf_1): Ditto.
5662 2005-10-05 Dale Johannesen <dalej@apple.com>
5664 * convert.c (convert_to_real): Don't convert
5665 (float)floor(double d) to floorf((float)d).
5667 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
5669 * config/arm/arm.md (insv): Use gen_int_mode in more places.
5671 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
5673 PR tree-optimization/18587
5674 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5675 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5676 build_vuses): Change to VEC type.
5677 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5678 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5679 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5680 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5681 (get_name_decl): New. Return DECL_UID of base variable.
5682 (operand_build_cmp): New. qsort comparison routine.
5683 (operand_build_sort_virtual): New. Sort virtual build vector.
5684 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5685 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5686 (FINALIZE_BASE): Use get_name_decl.
5687 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5688 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5689 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5690 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5691 direct VEC_* manipulations.
5692 (build_ssa_operands): Call operand_build_sort_virtual.
5693 (copy_virtual_operand, create_ssa_artficial_load_stmt,
5694 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5695 with direct VEC_* manipulations.
5696 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5697 with direct VEC manipulations.
5699 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
5701 PR tree-optimization/21419
5702 PR tree-optimization/24146
5703 PR tree-optimization/24151
5705 * c-typeck.c (readonly_error): Handle USE being lv_asm.
5706 (build_asm_expr): Call it if outputs are read-only.
5707 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5709 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
5710 Paolo Bonzini <bonzini@gnu.org>
5714 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5715 enable the instructions and not just the built-ins.
5716 * doc/invoke.texi (x86 Options): Likewise.
5718 2005-10-04 Geoffrey Keating <geoffk@apple.com>
5720 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5722 * doc/invoke.texi (Option Summary): Correct spelling
5723 of -mmacosx-version-min.
5725 2005-10-04 Devang Patel <dpatel@apple.com>
5727 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5730 2005-10-04 Steve Ellcey <sje@cup.hp.com>
5732 * tree-vect-transform.c (vect_create_epilog_for_reduction):
5733 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5735 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
5737 * config/s390/s390.md ("TDSI","DP"): New mode macros.
5738 ("TE","tg"): New mode attributes.
5739 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5740 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5741 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5742 dword_mode and one for GPRmode.
5744 2005-10-04 Ian Lance Taylor <ian@airs.com>
5746 PR preprocessor/13726
5747 * c-ppoutput.c (cb_include): Add comments parameter, and print out
5748 any comments passed in.
5750 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5752 * tree.c (annotate_with_file_line): Fix typo.
5754 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5757 * builtins.c (fold_builtin_memcmp): When constructing the pointer
5758 type used to access data in the inlined length == 1 case, use
5759 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5760 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5762 2005-10-04 Uros Bizjak <uros@kss-loka.si>
5764 * config/i386/i386.h (TARGET_FISTTP): Enable also for
5765 TARGET_SSE3 and only for TARGET_80387.
5766 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5767 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5768 Do not depend on TARGET_80387.
5770 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5772 * tree.c (last_annotated_node): Change type to location_t*.
5773 (annotate_with_file_line): Reflect the change of
5774 last_annotated_node type.
5776 2005-10-04 Richard Guenther <rguenther@suse.de>
5779 * c-decl.c (grokdeclarator): Don't write to fields
5782 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5785 * c-decl.c (finish_decl): Use set_user_assembler_name even for
5787 * varasm.c (make_decl_rtl): If a register variable does not
5788 have a set user assmbler name, error out.
5789 Decode the asmspec is now name+1 bypassing '*'.
5791 2005-10-04 Steven Bosscher <stevenb@suse.de>
5793 PR tree-optimization/23049
5794 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5795 of a COND_EXPR is folded before calling fold on the whole rhs of a
5796 conditional assignment.
5797 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5798 document that a COND_EXPR may appear there.
5800 2005-10-03 Diego Novillo <dnovillo@redhat.com>
5803 * tree-vrp.c (extract_range_from_assert): If the new numeric
5804 range created out of the assertion contradicts the existing
5805 numeric range of the ASSERT_EXPR variable, make the new range
5808 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
5810 * config/sh/sh.c (sh_register_move_cost): Add case for moving
5811 from T_REGS to FP register class.
5813 2005-10-03 Richard Henderson <rth@redhat.com>
5816 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5817 before creating a new one.
5819 2005-10-03 David Edelsohn <edelsohn@gnu.org>
5821 * config/rs6000/t-aix43 (LDFLAGS): New.
5822 * config/rs6000/t-aix52 (LDFLAGS): New.
5824 2005-10-03 Ian Lance Taylor <ian@airs.com>
5826 * gimplify.c (find_single_pointer_decl_1): New static function.
5827 (find_single_pointer_decl): New static function.
5828 (internal_get_tmp_var): For a formal variable, set restrict base
5829 information if appropriate.
5830 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5832 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5833 (DECL_GET_RESTRICT_BASE): Define.
5834 (SET_DECL_RESTRICT_BASE): Define.
5835 (decl_restrict_base_lookup): Declare.
5836 (decl_restrict_base_insert): Declare.
5837 (struct tree_decl_with_vis): Add based_on_restrict_p field.
5838 * tree.c (restrict_base_for_decl): New static variable.
5839 (init_ttree): Initialize restrict_base_for_decl.
5840 (copy_node_stat): Copy restrict base information.
5841 (decl_restrict_base_lookup): New function.
5842 (decl_restrict_base_insert): New function.
5843 (print_restrict_base_statistics): New static function.
5844 (dump_tree_statistics): Call print_restrict_base_statistics.
5846 2005-10-02 Diego Novillo <dnovillo@redhat.com>
5849 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5850 case of anti-ranges.
5852 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
5855 * c-typeck.c (tagged_tu_seen): Rename to ...
5856 (tagged_tu_seen_cache): this and add val field.
5857 (comptypes): Move functional to comptypes_internal
5858 and free tagged_tu_seen.
5859 (comptypes_internal): New function and call comptypes_internal
5860 instead of comptypes. Speed up by sibcalling
5861 tagged_types_tu_compatible_p.
5862 (alloc_tagged_tu_seen): New function
5863 (free_all_tagged_tu_seen_up_to): New function.
5864 (tagged_types_tu_compatible_p): Return the val of the seen two
5866 Add that the two types are the same to tagged_tu_seen_base
5867 if they are and call comptypes_internal instead of comptypes.
5868 <case UNION_TYPE>: Speed up common type where the fields are
5870 (function_types_compatible_p): Call comptypes_internal instead of
5872 (type_lists_compatible_p): Likewise.
5873 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5875 2005-10-02 Matthias Klose <doko@debian.org>
5877 * doc/invoke.texi: Fix typo and speling error.
5879 2005-10-01 Richard Henderson <rth@redhat.com>
5881 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5883 2005-10-01 Mark Mitchell <mark@codesourcery.com>
5885 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5886 using --start-group and --end-group.
5888 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5890 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5891 FIXME note regarding quirky semantics.
5893 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5896 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5897 non-null range as a last resort.
5899 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
5900 Diego Novillo <dnovillo@redhat.com>
5903 * tree-vrp.c (extract_range_from_assert): For !=
5904 assertions, only build an anti-range if LIMIT is a
5905 single-valued range.
5907 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
5909 * arm.md (movqi): On thumb when optimizing, handle loading from
5910 memory by describing this as taking a subreg of a zero-extended load
5911 into an SImode register.
5914 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
5916 * reload1.c (merge_assigned_reloads): Do not change any
5917 RELOAD_FOR_OUTPUT_ADDRESS reloads.
5919 2005-09-30 Geoffrey Keating <geoffk@apple.com>
5921 * Makefile.in (LIPO_FOR_TARGET): Define.
5922 (STRIP_FOR_TARGET): Define.
5924 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5925 before creating new ones. Do symlinks before creating the actual
5928 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5929 to work out which multilibs are actually being built.
5931 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
5933 * tree-vect-transform.c, config/ms1/ms1.md,
5934 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5935 Follow spelling conventions.
5936 * doc/invoke.texi, doc/md.texi: Fix typos.
5938 2005-09-30 Andrew Macleod <amacleod@redat.com>
5940 PR tree-optimization/21430
5941 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5942 use operands, and set stmt pointer if need be.
5943 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5944 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5947 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5950 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5952 2005-09-29 Mark Mitchell <mark@codesourcery.com>
5954 * optabs.c (expand_binop): Initialize first_pass_p.
5956 2005-09-29 Jakub Jelinek <jakub@redhat.com>
5959 * c-decl.c (c_write_global_declarations_1): If any
5960 wrapup_global_declaration_2 call returned true, restart the loop.
5962 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
5964 Fix PR tree-optimization/24117
5965 * tree-ssa-structalias.c (find_func_aliases): Strip nops
5966 before considering whether to use anyoffset.
5968 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
5972 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
5974 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5976 (swap_commutative_operands_with_target): New.
5978 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
5981 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5984 2005-09-29 Steven Bosscher <stevenb@suse.de>
5986 PR tree-optimization/23911
5987 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5988 and IMAGPART_EXPR too.
5990 2005-09-28 Mark Mitchell <mark@codesourcery.com>
5993 * expmed.c (expand_shift): Move logic to reverse rotation
5994 direction when rotating by constants ...
5995 * optabs.c (expand_binop): ... here.
5996 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5997 (ix86_rotrdi3): New pattern.
5998 (rotldi3): Handle 32-bit mode.
5999 (ix86_rotldi3): New pattern.
6001 2005-09-29 Alan Modra <amodra@bigpond.net.au>
6004 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
6005 check for numbers that need no bit twiddle.
6007 2005-09-28 Geoffrey Keating <geoffk@apple.com>
6009 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
6010 multilib to be built.
6012 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
6013 (stage1-start): Delete old libgcc and libunwind before moving
6014 anything into the stage directory.
6015 (stage2-start): Likewise.
6016 (stage3-start): Likewise.
6017 (stage4-start): Likewise.
6018 (stageprofile-start): Likewise.
6019 (stagefeedback-start): Likewise.
6020 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
6021 header in tm_file and CPU-specific t-darwin in tmake_file.
6022 (i[34567]86-*-darwin*): Don't change tm_file.
6023 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
6024 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
6025 shared library stub for target OS version.
6026 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
6027 (SHLIB_LINK): Don't make SHLIB_SOLINK.
6028 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
6029 (libgcc_s.%.dylib): New.
6031 (install-darwin-libgcc-stubs): New.
6032 (INSTALL_LIBGCC): New append.
6033 * config/i386/darwin-libgcc.10.4.ver: New.
6034 * config/i386/darwin-libgcc.10.5.ver: New.
6035 * config/i386/t-darwin: New.
6036 * config/rs6000/darwin-libgcc.10.4.ver: New.
6037 * config/rs6000/darwin-libgcc.10.5.ver: New.
6038 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
6039 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
6041 2005-09-28 Paul Brook <paul@codesourcery.com>
6043 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
6046 2005-09-28 Richard Guenther <rguenther@suse.de>
6048 PR tree-optimization/23853
6049 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
6050 host_integerp to verify misalignment value.
6052 2005-09-28 Richard Henderson <rth@redhat.com>
6054 * builtins.c (get_builtin_sync_mode): New.
6055 (expand_builtin_sync_operation): Pass in mode argument.
6056 (expand_builtin_compare_and_swap): Likewise.
6057 (expand_builtin_lock_test_and_set): Likewise.
6058 (expand_builtin_lock_release): Likewise.
6059 (expand_builtin): Update to match.
6061 2005-09-28 Nick Clifton <nickc@redhat.com>
6063 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
6064 formatting. Add check to PLUS case to ensure that the offset is
6065 within an acceptable range.
6067 * config/v850/v850.md (casesi): Disable the generation of the
6068 switch pattern as it is not being handled properly at the moment.
6070 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
6071 for when the high words are identical.
6073 2005-09-27 Richard Henderson <rth@redhat.com>
6075 * pretty-print.c (pp_base_format): Fix typo for %>.
6077 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
6078 Devang Patel <dpatel@apple.com>
6080 PR tree-optimization/23625
6081 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
6082 LABEL_EXPR, assertion check.
6084 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
6086 * optabs.c (no_conflict_move_test): Check if a result of a
6087 to-be-moved insn would be clobbered by an originally
6090 2005-09-27 Jeff Law <law@redhat.com>
6092 * passes.c (init_optimization_passes): Replace copy propagation
6093 passes immediately after DOM with phi-only copy propagation
6094 pases. Add phi-only copy propagation pass after first DOM pass.
6095 * tree-pass.h (pass_phi_only_copy_prop): Declare.
6096 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
6097 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
6098 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
6099 to init_copy_prop. Callers updated.
6100 (do_phi_only_copy_prop): New function.
6101 (pass_phi_only_copy_prop): New pass descriptor.
6103 2005-09-27 Nick Clifton <nickc@redhat.com>
6105 * libgcc2.c (__popcount_tab): Remove redundant prototype.
6107 2005-09-26 Jason Merrill <jason@redhat.com>
6110 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
6112 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
6114 2005-09-26 James E Wilson <wilson@specifix.com>
6116 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
6117 copyright. Add gcc copyright plus libgcc exception.
6118 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
6120 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
6122 2005-09-26 Jeff Law <law@redhat.com>
6124 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
6125 about when to iterate.
6127 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
6130 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
6131 for __complex__ double in -mcpu=G5 mode.
6133 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
6135 PR tree-optimization/23942
6136 * Makefile.in (SCEV_H): Depends on PARAMS_H.
6137 * tree-scalar-evolution.c: Include params.h.
6139 (follow_ssa_edge, follow_ssa_edge_in_rhs,
6140 follow_ssa_edge_in_condition_phi_branch,
6141 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
6142 Change return type to t_bool. Use a parameter to limit the size of
6143 trees that are walked before stopping
6144 (analyze_evolution_in_loop): Initialize the limit to 0.
6145 (follow_ssa_edge): Give up by returning t_dont_know if the limit
6146 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
6148 2005-09-26 Uros Bizjak <uros@kss-loka.si>
6151 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
6152 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
6154 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
6156 * combine.c (make_extraction): Check for valid use of subreg.
6158 2005-09-26 Uros Bizjak <uros@kss-loka.si>
6161 * config/i386/i386.md ("*fistdi2_1"): New pattern.
6162 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
6163 ("fist<mode>2_with_temp"): Use only register operands.
6165 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
6167 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
6168 CALL_INSN_FUNCTION_USAGE.
6170 2005-09-26 Richard Guenther <rguenther@suse.de>
6173 * gcse.c: Include hashtab.h, define ldst entry hashtable.
6174 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
6175 (ldst_entry): Use the hashtable instead of list-walking.
6176 (find_rtx_in_ldst): Likewise.
6177 (free_ldst_entry): Free the hashtable.
6178 (compute_ld_motion_mems): Create the hashtable.
6179 (trim_ld_motion_mems): Remove entry from hashtable if
6180 removing it from list.
6181 (compute_store_table): Likewise^2.
6182 (store_motion): Free hashtable in case we did not see
6185 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
6187 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
6188 and arg1 if we are passing them to fold_build2.
6190 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
6193 * config/i386/i386.c (ix86_function_regparm): Fix the test for
6196 2005-09-25 Richard Henderson <rth@redhat.com>
6198 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
6199 SYMBOL_REF_TLS_MODEL to be correct.
6201 2005-09-24 Richard Henderson <rth@redhat.com>
6203 * ipa-type-escape.c (discover_unique_type): Remove dead code at
6204 end of function. Reindent.
6206 2005-09-24 Ian Lance Taylor <ian@airs.com>
6208 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
6209 NEGATE_EXPR/BIT_NOT_EXPR case.
6211 2005-09-24 Richard Henderson <rth@redhat.com>
6213 * c-common.c (handle_mode_attribute): When not modifying in place,
6214 create subtypes for enumerations.
6215 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
6216 * gimplify.c (create_tmp_from_val): Likewise.
6218 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
6220 * config/i386/i386.md (*tls_global_dynamic_64,
6221 *tls_local_dynamic_base_64): Add missing mode to call.
6222 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
6224 2005-09-24 Jan Hubicka <jh@suse.cz>
6226 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
6227 (cgraph_clone_node): Likewise.
6228 * cgraph.h (cgraph_clone_edge): Update prototype.
6229 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
6230 duplicated prototypes; add updating argument.
6231 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
6232 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
6234 (cgraph_mark_inline_edge): Likewise.
6235 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
6236 (cgraph_flatten_node): Likewise.
6237 (cgraph_decide_recursive_inlining): Likewise.
6238 (cgraph_decide_inlining_of_small_function): Likewise.
6239 * tree-optimize.c (tree_rest_of_compilation): Likewise.
6241 2005-09-23 David Edelsohn <edelsohn@gnu.org>
6242 Pete Steinmetz <steinmtz@us.ibm.com>
6244 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
6245 (rldic.): Set type to "compare".
6247 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
6248 mfjmpr for MFCTR/MFLR.
6249 (movdf_hardfloat64): Same.
6250 (movdf_softfloat64): Same. Correct order of store and move types.
6251 (movti_string): Set type to store_ux/load_ux.
6252 (load_multiple): Set type to load_ux.
6253 (store_multiple): Set type to store_ux.
6254 (movmemsi): Set type to store_ux.
6255 (output_cbranch direct_return): Set type to jmpreg.
6256 (stmw): Set type to store_ux.
6257 (lmw): Set type to load_ux.
6258 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
6259 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
6260 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
6261 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
6262 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
6263 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
6264 (rios1-fpstore): Increase latency to 3.
6265 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
6266 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
6268 2005-09-23 David Edelsohn <edelsohn@gnu.org>
6269 Andrew Pinski <pinskia@physics.uc.edu>
6271 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
6272 operand2 constraint to "b".
6273 (sync_<fetchop_name>di_internal): Same.
6274 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
6276 (sync_old_<fetchop_name>di_internal): Same.
6277 (sync_new_<fetchop_name>si_internal): Same.
6278 (sync_new_<fetchop_name>di_internal): Same.
6280 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
6283 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
6284 case, define as macros.
6286 PR rtl-optimization/23837
6287 * optabs.c (no_conflict_move_test): Don't set must_stay for a
6288 clobber / clobber match between dest and p->first.
6290 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
6291 (no_conflict_move_test): Update comments.
6293 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6295 * doc/install.texi: Update URL for Jacks.
6296 * doc/sourcebuild.texi: Likewise.
6298 2005-09-22 David Edelsohn <edelsohn@gnu.org>
6301 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
6302 registers when choosing register preferences.
6303 (movdf_hardfloat64): Same.
6305 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
6307 * expmed.c (expand_shift): Don't use the target of the rotate as
6308 target for the first expanded shift insn.
6309 * testsuite/gcc.dg/20050922-1.c: Testcase added.
6311 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
6313 PR tree-optimization/22438
6314 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
6315 preserved iv rhs rewriting specially.
6317 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
6319 * tree-data-ref.c (analyze_array_indexes): Only estimate when
6320 estimate_only is true.
6321 * tree-flow.h (ref_contains_indirect_ref): New prototype.
6322 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
6323 tree-ssa-structalias.c
6324 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
6325 ref_contains_indirect_ref.
6326 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
6328 2005-09-21 DJ Delorie <dj@redhat.com>
6330 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
6332 (mn10300_return_in_memory): Support variable size types also.
6333 (mn10300_pass_by_reference): Likewise.
6334 (mn10300_function_value): New.
6335 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
6336 (FUNCTION_OUTGOING_VALUE): Likewise.
6337 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
6338 * doc/invoke.texi: Document it.
6340 2005-09-21 Uros Bizjak <uros@kss-loka.si>
6343 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
6344 force integer op1 into register for XFmode compares.
6346 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6349 * expmed.c (alg_code): Add alg_impossible.
6350 (alg_hash_entry): Add cost.
6351 (synth_mult): Record alg_impossible in the hash table if
6352 multiplication by a given integer is impossble within the
6353 limit. Speed up using alg_impossible.
6355 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
6357 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
6358 argument. Allow and set any offset if needs_anyoffset is passed
6360 (get_constraint_for): Add argument here too.
6362 (do_structure_copy): Pass NULL to get_constraint_for.
6363 (handle_ptr_arith): Ditto.
6364 (find_func_aliases): Ditto.
6366 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
6368 PR rtl-optimization/23898
6369 * output.h (get_attr_min_length): Declare.
6370 * final.c (get_attr_length_1): New function, broken out of:
6372 (get_attr_min_length): New function.
6373 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
6374 (duplicate_computed_gotos): Likewise.
6375 * genattr.c (insn_min_length): Generate declaration.
6376 * genattrtab.c (min_fn, min_attr_value): New functions.
6377 (make_length_attrs): Generate insn_min_length.
6379 2005-09-20 Steve Ellcey <sje@cup.hp.com>
6381 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
6383 2005-09-20 Richard Henderson <rth@redhat.com>
6385 PR tree-optimization/24059
6386 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
6389 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
6391 * c.opt (fextended-identifiers): New.
6392 * c-opts.c (c_common_handle_option): Handle
6393 -fextended-identifiers.
6394 * doc/cpp.texi: Update documentation of extended identifiers.
6395 * doc/cppopts.texi (-fextended-identifiers): Document.
6397 2005-09-20 Jakub Jelinek <jakub@redhat.com>
6399 PR tree-optimization/23929
6400 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
6403 PR tree-optimization/23818
6404 * tree-stdarg.c (execute_optimize_stdarg): Call
6405 calculate_dominance_info.
6407 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
6409 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
6410 (analyze_siv_subscript_cst_affine): Add weak SIV test.
6411 (compute_overlap_steps_for_affine_1_2): Use
6412 get_number_of_iters_for_loop.
6413 (analyze_subscript_affine_affine): Check whether difference is
6415 Use get_number_of_iters_for_loop.
6416 Check whether overlap occurs outside of bounds.
6417 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
6419 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
6421 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
6422 base register if possible.
6424 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
6426 PR tree-optimization/18463
6427 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
6428 converting it directly is not possible.
6429 (chrec_convert_aggressive): New function.
6430 * tree-chrec.h (chrec_convert_aggressive): Declare.
6431 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
6432 Fold chrec conversions aggressively if asked to.
6433 (instantiate_parameters): Modified because of changes in
6434 instantiate_parameters_1.
6436 2005-09-19 Richard Henderson <rth@redhat.com>
6438 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
6439 (reduc_splus_v2df): New.
6441 2005-09-19 Richard Sandiford <richard@codesourcery.com>
6443 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
6444 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
6446 2005-09-19 Richard Henderson <rth@redhat.com>
6448 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
6451 2005-09-19 Richard Henderson <rth@redhat.com>
6453 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
6454 (ia64_expand_dot_prod_v8qi): New.
6455 * config/ia64/ia64-protos.h: Update.
6456 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
6457 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
6458 sdot_prodv8qi, sdot_prodv4hi): New.
6459 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
6461 2005-09-19 Richard Henderson <rth@redhat.com>
6464 * real.c (exact_real_truncate): Return false if the format cannot
6465 represent the number as a normal.
6467 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6468 for a memory source.
6470 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
6472 * tree-ssa-operands.c (swap_tree_operands): Export.
6473 * tree.h (swap_tree_operands): Declare.
6474 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6475 Call swap_tree_operands.
6477 2005-09-19 Richard Henderson <rth@redhat.com>
6479 * tree-flow.h (merge_alias_info): Declare.
6480 * tree-ssa-copy.c (merge_alias_info): Export.
6481 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6482 (vect_create_data_ref_ptr): Use create_iv directly.
6483 (vectorizable_load): Use correct types for integer constants.
6484 (vect_generate_tmps_on_preheader): Likewise.
6485 (vect_gen_niters_for_prolog_loop): Likewise.
6487 2005-09-19 Steven Bosscher <stevenb@suse.de>
6489 PR rtl-optimization/23943
6490 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6492 2005-09-18 Jan Hubicka <jh@suse.cz>
6494 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6496 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
6498 * varasm.c (output_constant): Do not abort on conversions to union
6499 types between different sizes.
6501 2005-09-18 Richard Guenther <rguenther@suse.de>
6504 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6507 2005-09-18 Paul Brook <paul@codesourcery.com>
6509 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6511 2005-09-17 Richard Henderson <rth@redhat.com>
6513 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6514 * tree-ssa-loop.c (pass_vect_dce): Remove.
6515 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6518 2005-09-17 Richard Henderson <rth@redhat.com>
6520 * tree-pass.h (pass_vect_dce): Declare.
6521 * passes.c (init_optimization_passes): Add it.
6522 * tree-flow.h (tree_ssa_dce): Declare.
6523 * tree-ssa-dce.c (tree_ssa_dce): Export.
6524 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6525 (gate_tree_vectorize): ... here.
6526 (pass_vect_dce): New.
6528 2005-09-17 Jan Hubicka <jh@suse.cz>
6530 * except.c (struct eh_status): Turn region_array into vec.
6531 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6532 convert_from_eh_region_ranges, find_exception_handler_labels,
6533 current_function_has_exception_handlers, assign_filter_values,
6534 build_post_landing_pads, dw2_build_landing_pads,
6535 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6536 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6537 foreach_reachable_handler, can_throw_internal_1,
6538 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6540 (duplicate_eh_region_1): Update region_array.
6541 (duplicate_eh_regions): Resize region_array and avoid recomputing.
6543 2005-09-17 David Edelsohn <edelsohn@gnu.org>
6546 * expmed.c (expand_mult): Substitute simple register for op0 when
6549 2005-09-17 Richard Henderson <rth@redhat.com>
6551 * expr.c (emit_move_via_integer): Add force argument, pass it on
6552 to emit_move_change_mode. Update callers.
6553 (emit_move_complex): Pass true to new force argument.
6554 * function.c (expand_function_end): Move expand_eh_return call
6555 earlier. Merge sub-word complex values into a pseudo before
6556 copying to the return hard register.
6558 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
6560 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6561 between different sizes.
6563 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
6567 * passes.c (init_optimization_passes): Register dump files for
6570 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
6572 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6573 * config/s390/s390.c (s390_overlap_p): New function.
6574 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6575 peephole2, "*xc" peephole2): Added overlap check to the peephole2
6578 2005-09-16 Richard Guenther <rguenther@suse.de>
6580 * ipa-pure-const.c (static_execute): Free auxiliar information.
6581 * ipa-type-escape.c (discover_unique_type): Free temporary key.
6582 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6584 2005-09-15 DJ Delorie <dj@redhat.com>
6586 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6588 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
6590 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6592 (swap_commutative_operands_with_target): New.
6594 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
6596 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6599 (estimate_iters_using_array): New function.
6600 * tree-data-ref.h (estimate_iters_using_array): Prototype
6601 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6602 Use estimate_iters_using_array instead of analyze_array.
6604 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
6606 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6609 2005-09-15 Michael Matz <matz@suse.de>
6611 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6613 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
6615 PR tree-optimization/23835
6616 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6617 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6619 2005-09-14 Richard Henderson <rth@redhat.com>
6621 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6622 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6624 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
6626 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6627 in the ARRAY_TYPE case.
6629 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
6631 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6633 2005-09-14 Uros Bizjak <uros@kss-loka.si>
6636 * tree-vect-transform.c (vectorizable_operation): Return false for
6637 scalar shift operations and for vector shift operations with
6638 non-invariant shift arguments. Use scalar tree operand op1 as
6639 a shift operand when vector shift insn pattern uses scalar shift
6641 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6643 2005-09-14 Olivier Hainque <hainque@adacore.com>
6645 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6646 value if it has side-effects.
6648 2005-09-14 David Edelsohn <edelsohn@gnu.org>
6651 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6653 2005-09-14 Alan Modra <amodra@bigpond.net.au>
6655 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6656 passed as NAME as if it were label at start of function code.
6658 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
6660 * config/sh/sh.md (*movv4sf_i): Add general register cases to
6663 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6665 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6666 as early clobber. Rewrite so the PIC register is not implicitly used.
6668 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6670 * tree.c (annotate_with_file_line): Compare line numbers before
6673 2005-09-13 Uros Bizjak <uros@kss-loka.si>
6676 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6677 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6679 2005-09-13 Ian Lance Taylor <ian@airs.com>
6681 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6682 than a HOST_WIDEST_INT to gen_doloop_begin.
6684 2005-09-13 Diego Novillo <dnovillo@redhat.com>
6686 * tree-dfa.c (dump_variable): Guard against NULL annotations.
6688 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
6690 PR tree-optimize/23817
6691 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6693 2005-09-13 Alan Modra <amodra@bigpond.net.au>
6696 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6697 word before changing the stack pointer. Use gen_frame_mem for MEMs.
6698 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6699 (restore_stack_nonlocal): Likewise.
6700 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6702 2005-09-12 Ian Lance Taylor <ian@airs.com>
6705 * c.opt (ffriend-injection): New C++ option.
6706 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6707 (C++ Dialect Options): Document -ffriend-injection.
6709 2005-09-12 Josh Conner <jconner@apple.com>
6712 * ipa-reference.c (static_execute): Don't mark variables in
6713 named sections TREE_READONLY.
6715 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6717 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6720 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6722 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6723 V_MUST_DEF instead of just the first_use_p.
6724 Don't mark the virtual variables for renaming on the statement which
6726 (pass_dse): Remove TODO_update_ssa.
6728 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
6731 * stor-layout.c (compute_record_mode): For records with a single
6732 field, actually check the field's mode size against the type size.
6734 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6735 registers for TARGET_SHMEDIA.
6736 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6737 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
6738 of GENERAL_REGS and FP_REGS.
6740 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
6742 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6744 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6746 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6747 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6748 are omitted. Exclude stack_tie insn too.
6750 2005-09-11 David Edelsohn <edelsohn@gnu.org>
6752 PR rtl-optimization/23098
6753 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6755 * config/rs6000/rs6000.md (movdf splitter): Use
6756 const_double_operand predicate for TARGET_POWERPC64.
6757 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6758 SYMBOL_REF method to ABI_V4.
6760 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6761 replace_equiv_address.
6762 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6763 rs6000_sr_alias_set and MEM_NOTRAP.
6764 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6766 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
6768 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6769 handle CALL_EXPR again.
6771 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
6773 * arm/predicates.md (alignable_memory_operand): Delete.
6775 2005-09-10 Richard Henderson <rth@redhat.com>
6778 * dbxout.c (dbxout_expand_expr): New.
6779 (dbxout_symbol): Use it.
6781 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
6783 * arm.c (arm_gen_rotated_half_load): Delete.
6784 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6785 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6786 (thumb_set_return_address): Likewise.
6787 (thumb_load_double_from_address): Use adjust_address.
6788 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6789 (extendhsisi2_mem, movhi_bytes): Use change_address.
6790 (movhi): Use widen_memory_access.
6791 (reload_out_df): Use replace_equiv_address.
6792 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6794 2005-09-09 Richard Henderson <rth@redhat.com>
6797 * dbxout.c: Include expr.h.
6798 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6799 (dbxout_symbol): Handle DECL_VALUE_EXPR.
6800 * Makefile.in (dbxout.o): Add EXPR_H.
6802 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
6804 PR tree-optimization/23509
6805 * tree-cfg.c (replace_uses_by): Use replace_exp.
6806 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6807 pointers have name_mem_tag or type_mem_tag set.
6809 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6811 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6812 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6813 of wrongly accessing operands.
6815 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6817 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6818 * tree-chrec.c: Include tree-scalar-evolution.h.
6819 (chrec_convert): Instantiate the base and step before calling
6820 scev_probably_wraps_p that would fail on parametric evolutions.
6821 Collect all the fails into a single section failed_to_convert,
6822 print a diagnostic, and return chrec_dont_know instead of calling
6824 * tree-scalar-evolution.c (loop_closed_phi_def): New.
6825 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6827 (scev_const_prop): Don't replace the definition of a loop closed ssa
6828 phi node by itself, or by another loop closed ssa phi node.
6829 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6830 that base and step are defined.
6832 2005-09-09 Richard Guenther <rguenther@suse.de>
6835 * fold-const.c (fold_ternary): Check truth_value_p before
6836 calling invert_truthvalue.
6838 2005-09-09 Nick Clifton <nickc@redhat.com>
6840 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6841 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6842 dimension of these arrays.
6843 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6845 * longlong.h: Only provide a prototype for the __clz_tab[] array
6846 if this header has not been included from libgcc2.h.
6847 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6849 Provide prototypes for exported functions.
6850 Use the __clz_tab[] and __popcount_tab[] arrays provided by
6853 2005-09-08 Josh Conner <jconner@apple.com>
6857 * expr.c (expand_expr_addr_expr_1): Don't invoke
6858 expand_simple_binop for EXPAND_INITIALIZER.
6860 2005-09-08 Richard Henderson <rth@redhat.com>
6863 * toplev.c (wrapup_global_declaration_1): Split out ...
6864 (wrapup_global_declaration_2): ... from ...
6865 (wrapup_global_declarations): ... here. Return bool.
6866 (check_global_declaration_1): Split out ...
6867 (check_global_declarations): from here.
6868 (emit_debug_global_declarations): New.
6869 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6870 check_global_declaration_1, emit_debug_global_declarations): Declare.
6871 * c-decl.c (c_write_global_declarations_1): Don't create a vector
6872 of decls. Call wrapup_global_declaration_1,
6873 wrapup_global_declaration_2, check_global_declaration_1 directly.
6874 (c_write_global_declarations_2): New.
6876 (c_write_global_declarations): Call c_write_global_declarations_2.
6877 * langhooks.c (write_global_declarations): Call
6878 emit_debug_global_declarations.
6880 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6881 remove decls that have DECL_RTL_SET_P.
6882 * passes.c (rest_of_decl_compilation): Invoke
6883 cgraph_varpool_finalize_decl for all but functions.
6885 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
6887 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6888 the result of a conversion if the new min and max cannot be compared.
6890 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
6892 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6893 (override_options): Setting s390_sr_alias_set removed.
6894 (save_fpr, save_gprs): Set alias set to vararg or frame.
6895 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6896 s390_sr_alias_set with get_frame_alias_set ().
6897 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6898 get_varargs_alias_set ().
6900 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6904 * c-parser.c (c_parser_objc_method_definition): If the next
6905 token is not "{", error out and don't start the function.
6907 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6909 * tree-vrp.c (extract_range_from_expr): Move the check for non
6910 nullness after the check for gimple invariant.
6912 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6914 * tree.c (host_integerp, tree_low_cst): Correct function comment.
6916 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6919 * config/m32r.md (movmemsi_internal): Canonicalize order of
6920 operands in PLUS component of template.
6922 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
6924 * reload1.c (fixup_eh_region_note): Remove assertion.
6925 (fixup_abnormal_edges): Reverted removal of call to
6926 find_many_sub_basic_blocks made on 2005-08-31.
6928 2005-09-07 Richard Henderson <rth@redhat.com>
6930 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6931 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6932 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6933 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6934 rearrange for better packing.
6935 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6936 (lookup_cfa_1): Remove inline marker.
6937 (cfa_equal_p): Split out of ...
6938 (def_cfa_1): ... here. Use INVALID_REGNUM.
6939 (build_cfa_loc): Handle !cfa->indirect.
6940 (frame_pointer_cfa_offset): New.
6941 (dbx_reg_number): Assert register elimination performed; do
6942 leaf register remapping.
6943 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6944 (eliminate_reg_to_offset): New.
6945 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
6946 for verifiably local stack frame addresses; re-base to CFA.
6947 (mem_loc_descriptor): Remove can_use_fbreg argument.
6948 (concat_loc_descriptor, loc_descriptor): Likewise.
6949 (containing_function_has_frame_base): Remove.
6950 (rtl_for_decl_location): Don't do register elimination or
6951 leaf register remapping here.
6952 (secname_for_decl): Split out from ..
6953 (add_location_or_const_value_attribute): ... here.
6954 (convert_cfa_to_loc_list): New.
6955 (compute_frame_pointer_to_cfa_displacement): New.
6956 (gen_subprogram_die): Use them.
6957 * tree.h (frame_base_decl): Remove.
6958 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6959 (prologue_stack_adjust): Remove.
6960 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6961 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6962 (set_frame_base_location): Remove.
6963 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6964 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6965 (vt_add_function_parameters): Don't eliminate_regs.
6966 (vt_initialize): Don't create frame_base_decl.
6968 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6970 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6971 version of GNU binutils for 4.x and later.
6973 2005-09-06 Mark Mitchell <mark@codesourcery.com>
6975 * ggc-page.c (ggc_push_context): Remove.
6976 (ggc_pop_context): Likewise.
6977 * ggc.h (ggc_push_context): Remove.
6978 (ggc_pop_context): Likewise.
6980 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6983 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6984 returning from an interrupt handler.
6986 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6989 * config/arc/arc.c (output_shift): Add check for loop count when
6992 2005-09-06 Steven Bosscher <stevenb@suse.de>
6994 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6996 (abs_replacement): Likewise.
6997 (pass_phiopt): Remove TODO_update_ssa.
6999 2005-09-06 Jakub Jelinek <jakub@redhat.com>
7002 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
7003 if "return with no value, in function returning non-void" warning
7005 * tree-cfg.c (execute_warn_function_return): Don't look at
7006 RETURN_EXPRs with TREE_NO_WARNING set.
7009 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
7010 for internal functions doesn't use registers used by global registers
7011 variables. Use fewer register parameters if there are global register
7014 2005-09-06 Olivier Hainque <hainque@adacore.com>
7015 Eric Botcazou <ebotcazou@adacore.com>
7018 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
7019 when we would be extracting outside its bit span (bitpos+bitsize
7020 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
7021 Ada unchecked conversions.
7023 2005-09-06 Steven Bosscher <stevenb@suse.de>
7025 * tree-ssa-pre.c (try_look_through_load): New function.
7026 (compute_avail): Use it to try to look through loads for some
7027 more useful expressions.
7029 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
7031 * simplify-rtx.c (simplify_binary_operation_1): Correct the
7032 condition for detecting cases like (a&a) and (a^a).
7034 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
7036 * common.opt: Add option ftree-vect-loop-version.
7037 * params.def: Add --param vect-max-version-checks.
7038 * doc/invoke.texi: Document ftree-vect-loop-version and
7039 --param vect-max-version-checks.
7040 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
7041 may_misalign_stmts and defines for accessors.
7042 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
7043 LOOP_VINFO_MAY_MISALIGN_STMTS.
7044 (destroy_loop_vec_info): VEC_free for
7045 LOOP_VINFO_MAY_MISALIGN_STMTS.
7046 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7047 Update documentation.
7048 (vect_update_misalignment_for_peel): New.
7049 (vect_enhance_data_refs_alignment): Update to choose loop
7050 peeling or loop versioning if appropriate for the (potentially)
7051 unaligned data references in the loop.
7052 (vect_analyze_data_refs_alignment): Remove call to
7053 vect_enhance_data_refs_alignment so the checks can be done
7055 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
7056 and move up call to vect_analyze_data_refs_alignment.
7057 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
7058 (vect_transform_loop): Add call to loop_version.
7060 2005-09-06 Jakub Jelinek <jakub@redhat.com>
7062 PR rtl-optimization/23098
7063 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
7064 * simplify-rtx.c (constant_pool_reference_p): New function.
7065 * rtl.h (constant_pool_reference_p): New prototype.
7066 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
7067 constant_pool_reference_p in condition and
7068 avoid_constant_pool_reference in preparation statements.
7070 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
7072 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
7073 STRICT_LOW_PART SETs.
7075 2005-09-06 Alan Modra <amodra@bigpond.net.au>
7078 * except.c (sjlj_emit_function_enter): Find the function begin
7079 note even when it's not in first basic block.
7081 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
7083 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
7084 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
7085 * aclocal.m4: Regenerate.
7087 2005-09-05 DJ Delorie <dj@redhat.com>
7089 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
7092 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
7094 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
7095 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
7096 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
7097 Follow spelling conventions.
7098 * doc/invoke.texi: Follow spelling conventions.
7100 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
7102 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
7103 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
7104 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
7106 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
7109 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
7110 (output_stack_adjust): Use gen_tmp_stack_mem.
7111 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
7112 (sh_set_return_address, sh_allocate_initial_value): Likewise.
7113 (sh_get_pr_initial_val): Likewise.
7114 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
7115 (sh_initialize_trampoline): Likewise. Also use adjust_address.
7116 * sh.md (divsi_inv_m0): Use gen_const_mem.
7117 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
7118 (movdf_i4+1): Use gen_tmp_stack_mem.
7119 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
7120 (fpu_switch+2): Likewise.
7121 (movv4sf_i, movv16sf_i): Use adjust_address.
7122 (symGOT_load): Set MEM_NOTRAP_P bit.
7124 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7127 * pa.c (emit_move_sequence): Fix typo in last change.
7129 2005-09-03 Jakub Jelinek <jakub@redhat.com>
7131 PR rtl-optimization/23454
7132 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
7135 2005-09-03 Richard Henderson <rth@redhat.com>
7136 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7139 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
7142 2005-09-02 Nicolas Pitre <nico@cam.org>
7144 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
7145 to bit_count to 32 bits.
7147 2005-08-31 Mark Mitchell <mark@codesourcery.com>
7150 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
7151 generating synthetic loads from volatile lvalues.
7153 005-09-02 Nick Clifton <nickc@redhat.com>
7155 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
7156 __ctzhi2, __clzhi2): New functions.
7158 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
7161 * tree-nested.c (struct var_map_elt): Mark with GTY.
7162 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
7164 (lookup_field_for_decl): Allocate new element in GC memory.
7165 (lookup_tramp_for_decl): Likewise.
7166 (convert_nl_goto_reference): Likewise
7167 (create_nesting_tree): Allocate info in GC memory. Likewise for
7169 (free_nesting_tree): Free with ggc_free instead of free.
7170 (root): New static variable.
7171 (lower_nested_functions): Remove root as local variable. And zero out
7172 root at the end of the function.
7174 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
7176 PR rtl-optimization/20365
7177 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
7178 to short. New member ix.
7179 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
7180 (simplify_plus_minus): Initialize ix members before calling qsort.
7182 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
7184 PR tree-optimization/23626
7185 * tree-cfg.c (replace_uses_by): Clean up eh info.
7187 2005-09-01 DJ Delorie <dj@redhat.com>
7189 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
7192 2005-09-01 David Edelsohn <edelsohn@gnu.org>
7194 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
7195 (rs6000_split_multireg_move): Use replace_equiv_address instead of
7198 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
7200 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
7201 do not issue warning for a variable definition following
7204 2005-09-01 Richard Henderson <rth@redhat.com>
7207 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
7208 conversion to CONST_VECTOR.
7210 2005-09-01 Richard Henderson <rth@redhat.com>
7213 * reload1.c (reload_as_needed): Check !CALL_P before calling
7214 fixup_eh_region_note.
7215 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
7217 2005-09-01 DJ Delorie <dj@redhat.com>
7219 * varasm.c (output_constant): Let the target resolve
7220 conversions of addresses to non-default pointer sizes.
7222 2005-09-01 Nicolas Pitre <nico@cam.org>
7224 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
7225 to alow matching ARM pre-indexed addressing mode.
7226 (arm_override_options): Remove now irrelevant comment.
7228 2005-09-01 Phil Edwards <phil@codesourcery.com>
7230 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
7231 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
7232 * config/i386/vxworks.h: Likewise.
7233 * config/i386/t-vxworksae: New file, for VxWorks AE.
7234 * config/i386/vxworksae.h: Likewise.
7236 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
7238 PR tree-optimization/23410
7239 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
7240 sequence is not wrapping during the first step.
7242 2005-09-01 Jakub Jelinek <jakub@redhat.com>
7245 * dwarf2out.c (base_type_die): Compare char_type_node with
7246 TYPE_MAIN_VARIANT (type), not type.
7248 2005-09-01 Richard Guenther <rguenther@suse.de>
7250 PR tree-optimization/15366
7251 * common.opt: Add -finline-functions-called-once.
7252 Put -fearly-inlining in alphabetically ordered place.
7253 * doc/invoke.texi: Document new option.
7254 * ipa-inline.c (cgraph_decide_inlining): Honour
7255 flag_inline_functions_called_once.
7257 2005-09-01 Jakub Jelinek <jakub@redhat.com>
7259 PR rtl-optimization/23478
7260 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
7261 (alloc_qty): Initialize it.
7262 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
7263 (combine_regs): Combine also n_throwing_calls_crossed fields.
7264 (find_free_reg): Don't attempt to caller-save pseudos crossing
7265 calls that might throw.
7266 * global.c (struct allocno): Add throwing_calls_crossed field.
7267 (global_alloc): Revert 2005-08-22 change. Initialize
7268 throwing_calls_crossed.
7269 (find_reg): Don't attempt to caller-save pseudos crossing calls that
7272 2005-09-01 Alan Modra <amodra@bigpond.net.au>
7275 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
7276 (mask64_operand): Reinstate code prior to 2005-06-11 change.
7277 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
7278 (and64_2_operand): Tweak to use predicate.
7279 (and_operand): Adjust for mask_operand changes.
7280 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
7281 (print_operand): Likewise.
7282 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
7283 (mask64_1or2_operand): Delete.
7284 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
7285 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
7286 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
7287 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
7288 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
7289 (rotldi3_internal4): Likewise.
7290 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
7291 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
7292 (ashldi3_internal7): Likewise.
7293 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
7294 (ashldi3_internal, ashldi3_internal9 split): Likewise.
7295 (anddi3 split): Don't match mask64_operand.
7296 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
7297 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
7298 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
7299 't' splitter predicate.
7300 (movdi_internal64 + 2): Revert 2005-06-11 change.
7302 2005-08-31 DJ Delorie <dj@redhat.com>
7304 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
7305 (m32c_asm_integer): Add support for 32 bit pointers.
7307 2005-08-31 Richard Henderson <rth@redhat.com>
7309 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
7310 component-like references for setting MEM_NOTRAP_P.
7312 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
7313 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
7315 2005-08-31 Richard Henderson <rth@redhat.com>
7317 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
7318 into a pseudo before applying gen_lowpart.
7320 2005-08-31 Geoffrey Keating <geoffk@apple.com>
7322 * doc/install.texi (Specific): Update cctools version required
7323 for full functionality.
7324 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
7325 linkers as -macosx_version_min.
7327 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
7330 * sh.c (print_operand, %R and %S): Add handling of floating point
7331 registers, memory, constants and invalid operands.
7333 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
7335 * ipa-pure-const.c: Change dump name.
7337 2005-08-31 Uros Bizjak <uros@kss-loka.si>
7340 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
7341 to "reg_or_0_operand".
7342 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
7344 2005-08-31 Dale Johannesen <dalej@apple.com>
7346 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
7347 loops that count down.
7349 2005-08-31 Richard Henderson <rth@redhat.com>
7352 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
7353 (fixup_eh_region_note): New.
7354 (reload_as_needed): Call it.
7355 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
7356 don't call find_many_sub_basic_blocks; call verify_flow_info.
7357 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
7358 (keep_stack_depressed): Likewise.
7359 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
7361 2005-08-31 Richard Henderson <rth@redhat.com>
7363 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
7366 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
7368 * expr.c (expand_expr_real_1): Compare size of address
7369 mode to target's address mode size in deciding expansion of
7370 the constant address.
7372 2005-08-31 Richard Guenther <rguenther@suse.de>
7375 * expr.c (all_zeros_p): New function.
7376 (expand_expr_real_1): Handle the case of an all-zero
7377 non-addressable constructor separately.
7379 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
7381 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
7382 arguments, adjust all callers.
7383 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
7385 2005-08-30 Richard Henderson <rth@redhat.com>
7388 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
7389 whenever the mode sizes match.
7391 2005-08-31 Alan Modra <amodra@bigpond.net.au>
7393 * calls.c (load_register_parameters): Fix comment typo.
7394 * expr.c (emit_push_insn): Comment formatting.
7396 2005-08-30 Ian Lance Taylor <ian@airs.com>
7398 * config/i386/x-cygwin (host-cygwin): Change dependency from
7399 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
7401 2005-08-29 Geoffrey Keating <geoffk@apple.com>
7403 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
7406 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7409 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
7410 call to ggc_collect.
7412 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
7415 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
7416 beginning. Remove $(INCLUDES) from all the rules, if following
7417 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
7419 2005-08-29 Jakub Jelinek <jakub@redhat.com>
7422 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
7423 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
7424 not constant, but maxlen is, don't set len to maxlen, rather
7425 set maxlen to len if len is a constant.
7427 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
7429 PR tree-optimization/23475
7430 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
7433 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
7435 Fix PR middle-end/22455
7437 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
7438 Checksum only the parts of the tree that exist for the tree code.
7440 2005-08-28 Dale Johannesen <dalej@apple.com>
7442 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
7444 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
7446 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
7448 2005-08-28 Richard Henderson <rth@redhat.com>
7450 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
7451 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
7454 2005-08-28 Jakub Jelinek <jakub@redhat.com>
7457 * builtins.c (get_memory_rtx): Don't strip nops
7458 in between COMPONENT_REFs.
7460 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
7463 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
7465 (gimplify_modify_expr): Check for zero sized types and gimplify the
7466 rhs and lhs as statements.
7468 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
7471 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7472 state for return address column of signal frames.
7474 2005-08-27 David Edelsohn <edelsohn@gnu.org>
7477 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7478 bytes >= 2 not bytes == 2.
7479 (expand_block_move): Same.
7481 2005-08-27 Richard Guenther <rguenther@suse.de>
7484 * config/i386/sse.md (sse2_movsd): Add missing closing
7487 2005-08-27 Paul Brook <paul@codesourcery.com>
7489 * genrecog.c (enum decision_type): Add DT_num_insns.
7490 (struct decision_test): Add u.num_insns.
7491 (add_to_sequence): Add DT_num_insns test.
7492 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7493 (write_cond, debug_decision_2): Ditto.
7494 (change_state): Assume peep2_next_insn never fails.
7495 Remove "afterward" argument.
7496 (write afterward, write_tree): Update to match.
7497 * recog.c (peep2_current_count): New variable.
7498 (peep2_next_insn): Check it.
7499 (peephole2_optimize): Set peep2_current_count.
7500 * recog.h (peep2_current_count): Declare.
7502 2005-08-26 Josh Conner <jconner@apple.com>
7505 * ipa-pure-const.c (check_tree): Check for volatile-ness
7506 when considering a dereference.
7508 2005-08-27 Jakub Jelinek <jakub@redhat.com>
7510 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7512 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7514 PR rtl-optimization/23561
7515 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
7516 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7517 at most LEN bytes long memory fits into the field.
7518 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7519 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7520 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7522 2005-08-26 Richard Henderson <rth@redhat.com>
7525 * loop.c (biased_biv_may_wrap_p): New.
7526 (maybe_eliminate_biv_1): Use it to suppress non-equality
7527 comparison transformations. Delete disabled code.
7529 2005-08-26 Ian Lance Taylor <ian@airs.com>
7531 * combine.c (make_extraction): Avoid reference outside object.
7533 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
7535 * stor-layout.c (finalize_type_size): Restore behaviour for
7536 non-aggregate types to the status quo ante of the patch for
7537 pr 23467. Document why it matters.
7539 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7542 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7543 array by one element, initialize the BT_LAST element with NULL.
7545 2005-08-26 David Edelsohn <edelsohn@gnu.org>
7547 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7548 optimizing for size.
7550 (compare_plus_eqsi): Same.
7551 (plus_eqsi_compare): Same.
7552 (neg_eq0<mode>): Same.
7553 (neg_eq<mode>): Same.
7555 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7558 2005-08-26 Nick Clifton <nickc@redhat.com>
7560 * config/v850/v850.c (ep_memory_operand): Return FALSE if
7561 TARGET_EP is not defined.
7562 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7563 TARGET_EP is enabled.
7564 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7565 * config/v850/v850.md (save_all_interrupt): Only use the EP
7566 register if TARGET_EP is defined.
7567 (restore_all_interrupt): Likewise.
7568 * config/v850/lib1funcs.asm: Update functions so that the EP
7569 register is only used if __EP__ is defined.
7571 2005-08-26 David Ung <davidu@mips.com>
7573 * config/mips/mips.c (mips_expand_prologue): Handle case when
7574 generating for MIPS16 and the outgoing argument area is more than
7575 SMALL_OPERAND. Use the frame pointer as temporary to generate the
7578 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
7580 * config/crx/crx.md: Make doloop_end pattern usage controllable
7581 via mloop-nesting=<max-nesting> command line switch. Make sure
7582 the combiner cannot use doloop_end_<mode> in an illegal way.
7583 * config/crx/crx.c: Use regs up to r6 for argument passing.
7584 Refine crx_address_cost (non cst4 displacements are expensive).
7585 * config/crx/crx.opt: Add switch for mloop-nesting=.
7587 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
7589 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7590 (UNSPEC_MVST): New constant.
7592 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
7594 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7595 Reject operands containing eliminable registers.
7596 * testsuite/gcc.dg/20050825-1.c: New testcase.
7598 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7599 Jan Hubicka <jh@suse.cz>
7601 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7603 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7605 PR tree-optimization/23546
7606 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7609 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
7611 * params.def (PARAM_MIN_SPEC_PROB): New.
7612 * sched-rgn.c (MIN_PROBABILITY): Delete.
7613 (compute_trg_info): Convert to PARAM_VALUE.
7614 * doc/invoke.texi (param): Document min-spec-prob.
7616 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
7618 * config/darwin.h: define __PIC__
7619 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7620 TARGET_OS_CPP_BUILTINS macro.
7622 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7624 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7627 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7629 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7631 * cfghooks.c (duplicate_block): Added position where to place
7632 new block as argument.
7633 * cfghooks.h (duplicate_block): Declaration changed.
7634 * cfglayout.c (copy_bbs): Add argument after. Pass it to
7636 * cfglayout.h (copy_bbs): Declaration changed.
7637 * cfgloop.h (loop_version): Declaration changed.
7638 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7639 position to copy_bbs.
7640 (loop_version): Pass position to duplicate_loop_to_header_edge.
7641 Add place_after argument and position new blocks according to
7643 * modulo-sched.c (sms_schedule): Pass place_after argument
7645 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7646 * tree-cfg.c (split_edge_bb_loc): New function.
7647 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7648 to determine position of new blocks.
7649 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7651 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7652 argument to duplicate_block.
7653 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7654 Pass position to copy_bbs.
7656 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7658 * fold-const.c (ptr_difference_const): Use
7659 cst_and_fits_in_hwi instead of host_integerp.
7661 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7663 * config/darwin.c (gen_pic_offset): New.
7664 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
7667 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
7669 PR tree-optimization/23486
7670 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7672 2005-08-23 Phil Edwards <phil@codesourcery.com>
7674 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
7675 remove use_collect2.
7676 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
7678 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
7679 configuration files to override the default value.
7681 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
7682 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7683 * config/vx-common.h: New file, split out from...
7684 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
7685 * config/vxworksae.h: New file, for VxWorks AE.
7686 * config/vxworks.opt: New file.
7687 * config/vxlib.c: Update for VxWorks 6.
7689 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
7690 other MULTILIB_* variables appropriately.
7691 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
7692 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
7693 * config/rs6000/vxworks.h: Update for VxWorks 6.
7694 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
7696 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
7699 * config/darwin.c (machopic_select_section): Remove the hack to
7700 mark "::operator new" and "::operator delete" for coalescing
7701 even though they are not weak.
7703 2005-08-24 Alan Modra <amodra@bigpond.net.au>
7705 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7706 * configure: Regenerate.
7708 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7711 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7713 * convert.c (convert_to_integer, convert_to_vector): Likewise.
7714 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7717 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7719 * config/rs6000/predicates.md (equality_operator): New.
7720 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7721 comparison with a large constant.
7723 2005-08-23 Mark Mitchell <mark@codesourcery.com>
7725 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7727 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
7729 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7730 registers is even, and we have a hardware double precision fp,
7732 (sh_gimplify_va_arg_expr): For floating point arguments, consider
7733 size of current argument when checking if argument was passed in
7736 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7739 * stor-layout.c (finalize_type_size): Dont override
7740 existing alignment with a smaller alignment from the mode.
7742 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7744 * lambda-code.c (lambda_vector_lexico_pos): Moved...
7745 * lambda.h (lambda_vector_lexico_pos): ... here.
7746 * tree-data-ref.c (build_classic_dist_vector): Return false when
7747 the distance vector is lexicographically negative.
7749 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7751 PR tree-optimization/23511
7752 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7753 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7755 2005-08-23 Jakub Jelinek <jakub@redhat.com>
7757 PR tree-optimization/22043
7758 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7759 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7760 If ALLOW_FLEXARR, handle types ending with flexible array member.
7761 Pass false as second argument to recursive count_type_elements calls.
7762 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7763 argument to count_type_elements call.
7764 * tree-sra.c (decide_block_copy): Likewise.
7765 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7766 for a constant-sized object, set cleared as well. Pass true as
7767 second argument to count_type_elements call.
7769 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7772 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7773 from legitimate_small_data_p, and make global. Update use.
7774 Remove forward declaration.
7775 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7777 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7779 2005-08-23 David Edelsohn <edelsohn@gnu.org>
7781 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7782 of scratch intermediates.
7783 (eq<mode>_compare): Same.
7784 (neg_eq0<mode>): New.
7785 (neg_eq<mode>): Convert to define_insn_and_split.
7787 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7790 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7791 stdarg functions, set/clear the fp marker even when no variable
7793 * config/rs6000/sysv4.opt (mprototype): Describe.
7795 2005-08-22 Jakub Jelinek <jakub@redhat.com>
7797 PR rtl-optimization/23478
7798 * regs.h (reg_info): Add throw_calls_crossed.
7799 (REG_N_THROWING_CALLS_CROSSED): Define.
7800 * flow.c (allocate_reg_life_data): Initialize
7801 REG_N_THROWING_CALLS_CROSSED.
7802 (propagate_one_insn, attempt_auto_inc): Update
7803 REG_N_THROWING_CALLS_CROSSED.
7804 * global.c (global_alloc): Don't allocate pseudos across
7805 calls that may throw.
7807 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
7810 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7811 value is inbetween the range if we did not find an exact match.
7813 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
7815 * doc/invoke.texi (Option Summary): Add ms1 options.
7816 * doc/extend.texi: Document interrupt handler attribute for ms1.
7817 * doc/md.texi: Document ms1 constraints.
7818 * config.gcc: Add ms1-*-elf.
7819 * config/ms1/ms1.h: New.
7820 * config/ms1/ms1.c: New.
7821 * config/ms1/ms1.md: New.
7822 * config/ms1/ms1-protos.h: New.
7823 * config/ms1/ABI.txt: New.
7824 * config/ms1/crti.asm: New.
7825 * config/ms1/crtn.asm: New.
7826 * config/ms1/lib2extra-funcs.c: New.
7827 * config/ms1/t-ms1: New.
7828 * config/ms1/ms1.opt: New.
7830 2005-08-22 Ira Rosen <irar@il.ibm.com>
7832 * config/rs6000/altivec.md (xorv4sf3): New.
7833 (negv4sf2, neg<mode>2): Likewise.
7835 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
7838 * config/ia64/ia64.md (divsi3): Check divide by zero.
7839 (udivsi3): Likewise.
7841 (udivdi3): Likewise.
7843 2005-08-21 Jakub Jelinek <jakub@redhat.com>
7845 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7846 up to elem_bitsize bits, not max_bitsize.
7848 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7850 PR tree-optimization/23433
7851 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7852 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7854 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7856 PR tree-optimization/23434
7857 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7858 the iteration bound is not an INTEGER_CST.
7860 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
7862 * tree-vect-transform.c (get_initial_def_for_reduction): Set
7863 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7864 NULL if need_epilog_adjust is false.
7865 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7866 Case 3 always peels first itration, not just for PLUS case, and no need
7867 to use scalar_initial_def here. Create an epilog adjustment only if
7868 scalar_initial_def is not NULL.
7870 (vectorizable_reduction): Remove assert.
7872 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
7875 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7876 (__moddi3): Likewise.
7877 (__udivdi3): Likewise.
7878 (__umoddi3): Likewise.
7879 (__divsi3): Likewise.
7880 (__modsi3): Likewise.
7881 (__udivsi3): Likewise.
7882 (__umodsi3): Likewise.
7884 2005-08-20 Jakub Jelinek <jakub@redhat.com>
7886 * tree-pass.h (TDF_GRAPH): Define.
7887 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7888 * passes.c (finish_optimization_passes): Only call
7889 finish_graph_dump_file if TDF_GRAPH is set.
7890 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7891 NULL. Set TDF_GRAPH bit.
7892 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7894 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
7896 * arm.h (arm_stack_offsets): Add locals_base field.
7897 * arm.c (arm_get_frame_offsets): Compute it.
7898 (thumb_compute_initial_elimination offset): Make the Thumb frame
7899 pointer point to the base of the local variables.
7900 (thumb_expand_prologue): Update accordingly.
7901 (thumb_expand_epilogue): Likewise.
7903 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
7904 mode of clobbered scratch to DImode. Handle a case that's known to
7907 2005-08-19 David Edelsohn <edelsohn@gnu.org>
7909 * config/rs6000/rs6000.md (gt0<mode>): Delete.
7910 (gt0<mode>_compare): Delete.
7911 (neg_gt0<mode>): Delete.
7913 2005-08-19 Eric Christopher <echristo@apple.com>
7915 * optabs.h: Change CTI_ to COI_.
7918 2005-08-19 James E Wilson <wilson@specifix.com>
7920 * builtins.c (expand_builtin_return_addr): Set
7921 current_function_accesses_prior_frames when count != 0. Use
7922 frame_pointer_rtx when count == 0.
7923 * function.h (struct function): Add accesses_prior_frames field.
7924 (current_function_accesses_prior_frames): Define.
7925 * reload1.c (init_elim_table): Check
7926 current_function_accesses_prior_frames.
7927 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7929 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7931 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7932 indicator. Return true if the flowgraph changed during
7935 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7938 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7939 conditional expression before testing its value.
7941 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7943 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7945 2005-08-19 Devang Patel <dpatel@apple.com>
7947 PR tree-optimization/23048
7948 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7949 third parameter. Check whether latch is dominated by exit
7951 (if_convertible_loop_p): Supply exit block itself to
7952 if_convertible_bb_p.
7954 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
7957 * arm.md (arm_load_pic_register): Change argument to the mask of
7958 saved registers. Call thumb_find_work_register if we need a
7959 scratch register on Thumb.
7960 (arm_expand_prologue): Pass empty register set to
7961 arm_load_pic_register.
7962 (thumb_expand_prologue): Pass live_regs_mask directly to
7963 arm_load_pic_register.
7964 * arm-protos.h (arm_load_pic_register): Update prototype.
7966 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
7968 * sh.c (find_sole_member): New function.
7969 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7970 if the record's alignment is larger than the size of its only member.
7972 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
7975 * arm.c (thumb_legitimize_reload_address): New function.
7976 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7977 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7979 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
7981 * config/crx/crx.c: Implement crx_decompose_address. Reject
7982 symbolic displacements since CRX register relative adressing
7983 mode can't handle unsigned 32-bit values as displacements.
7984 * config/crx/crx.h: Simplify definitions, remove redundant
7985 parenthesis and obsolete macros.
7986 * config/crx/crx.opt: Add new switch for debugging addresses.
7987 * config/crx/crx-protos.h: Add new declarations for above.
7989 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
7992 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7995 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7997 * collect2.c (dup2): Delete.
7998 * configure.ac: Don't check for dup2.
8000 * config.in, configure: Regenerate.
8002 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
8004 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
8005 record with the type of its only member.
8007 2005-08-18 David Edelsohn <edelsohn@gnu.org>
8009 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
8010 define_insn_and_split.
8011 (plus_ltu<mode>_compare): Same.
8012 (gtu<mode>_compare): Same.
8013 (plus_gtu<mode>_compare): Same.
8015 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
8017 PR tree-optimization/22228
8018 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
8020 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
8021 are recorded in vect_vnames_to_rename for renaming.
8022 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
8023 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
8024 in vect_vnames_to_rename.
8025 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
8026 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
8028 2005-08-18 Jan Hubicka <jh@suse.cz>
8031 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
8032 info only for local statics, not for member variables.
8034 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8036 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
8038 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8040 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
8042 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
8045 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
8047 2005-08-17 James E Wilson <wilson@specifix.com>
8049 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8052 2005-08-17 David Edelsohn <edelsohn@gnu.org>
8054 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
8055 (leu<mode>_compare): Same.
8056 (plus_leu<mode>): Same.
8057 (neg_leu<mode>): Same.
8058 (and_neg_leu<mode): Same.
8059 (ltu<mode>_compare): Same.
8060 (plus_ltu<mode>): Same.
8062 (geu<mode>_compare): Same.
8063 (plus_geu<mode>): Same.
8064 (neg_geu<mode>): Same.
8065 (and_neg_geu<mode>): Same.
8066 (plus_gt<mode>): Same.
8067 (gtu<mode>_compare): Same.
8068 (plus_gtu<mode>): Same.
8070 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
8072 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
8073 Move call_table_data to end. Delete spurious .text.
8074 (callt_save_all_interrupt): Fix comment typo.
8076 2005-08-17 James E Wilson <wilson@specifix.com>
8077 Kevin Winchester <winchester@amirix.com>
8080 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
8082 2005-08-17 Uros Bizjak <uros@kss-loka.si>
8085 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
8086 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
8088 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
8090 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
8091 record with the type of its only member if the modes don't match.
8093 * varasm.c (decode_reg_name): Skip empty additional register names.
8095 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8097 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
8098 lsm_tmp_name_length): New.
8099 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
8100 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
8102 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
8103 Andreas Krebbel <krebbel1@de.ibm.com>
8105 * config.gcc: Added z9-109 switch.
8106 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
8107 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
8108 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
8109 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
8110 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
8111 for "z9_109" cpu attribute.
8112 * config/s390/s390.c (z9_109_cost): New processor cost structure.
8113 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
8114 (s390_handle_arch_option): Added z9-109 switch.
8115 (override_options): Set respective cost function for z9-109.
8116 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
8117 (legitimate_reload_constant_p): Accept extended immediates.
8118 (print_operand): Three new output modifiers added: k, m and o.
8119 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
8120 (s390_output_mi_thunk): Use extended immediate when possible.
8121 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
8122 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
8123 (CONSTRAINT_LEN): Added length of O constraint.
8124 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
8125 * config/s390/s390.md ("cpu"): New value z9_109 added.
8126 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
8127 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
8128 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
8129 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
8130 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
8131 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
8132 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
8133 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
8134 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
8135 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8136 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
8137 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
8138 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
8139 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
8140 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
8142 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
8143 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
8144 insns for TARGET_EXTIMM.
8146 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
8148 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
8150 2005-08-17 Nick Clifton <nickc@redhat.com>
8152 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
8153 Call default_encode_section_info.
8155 2005-08-17 Steven Bosscher <stevenb@suse.de>
8157 PR tree-optimization/21574
8158 * tree-ssa-ccp.c (likely_value): If the right hand side is a
8159 constant, return CONSTANT.
8160 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
8161 (ccp_fold, visit_assignment): Likewise.
8162 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
8164 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
8166 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
8167 fold_buildN instead of buildN then fold_initializer or fold.
8168 (build_unary_op): Likewise.
8169 (build_binary_op): Likewise.
8170 * fold-const.c (fold_initializer): Remove.
8171 (fold_build1_initializer): New function.
8172 (fold_build2_initializer): New function.
8173 (fold_build3_initializer): New function.
8174 * tree.h (fold_initializer): Remove.
8175 (fold_build1_initializer): New function.
8176 (fold_build2_initializer): New function.
8177 (fold_build3_initializer): New function.
8179 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
8181 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
8182 (try_move_mult_to_index): Call fold_build2 instead of build2.
8183 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
8184 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
8185 fold_binary_to_constant.
8186 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
8188 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
8189 check if A == gcd (A, B). Remove TYPE argument.
8190 (analyze_offset) Use fold_build2 instead of fold (build.
8191 (create_data_ref): Likewise.
8192 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
8193 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
8196 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
8198 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
8199 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
8201 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
8204 * gimplify.c (zero_sized_type): New function.
8205 (gimplify_modify_expr_rhs): If we have a zero sized type,
8206 replace the statement with an empty statement.
8208 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
8210 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
8213 2005-08-16 Ian Lance Taylor <ian@airs.com>
8215 * doc/tm.texi (Label Output): Correct typo.
8217 2005-08-16 Steven Bosscher <stevenb@suse.de>
8220 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
8221 force_operand will work later on using have_insn_for.
8223 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8225 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
8227 2005-08-16 Ian Lance Taylor <ian@airs.com>
8230 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
8231 vector type, don't try to construct it element by element. Add an
8232 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
8234 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8236 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
8238 2005-08-16 Geoffrey Keating <geoffk@apple.com>
8240 * doc/invoke.texi (Precompiled Headers): Document some more options
8241 which are known to be safe.
8243 2005-08-16 James E Wilson <wilson@specifix.com>
8245 PR tree-optimization/21105
8246 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8247 TREE_OVERFLOW check.
8249 2005-08-16 David Edelsohn <edelsohn@gnu.org>
8251 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
8252 (neg_ltu<mode>): Same.
8254 (neg_gtu<mode>): Same.
8256 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8258 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
8259 (fold_builtin_isdigit): Use fold_buildN.
8260 (build_function_call_expr): Likewise.
8261 * c-typeck.c (c_finish_loop): Likewise.
8263 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
8264 Richard Shann <rshann@superh.com>
8266 PR middle-end/20396:
8267 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
8269 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
8271 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
8273 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
8276 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
8277 arm_compure_save_reg0_reg12_mask to determine when the PIC register
8280 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8283 * fold-const.c (build_range_check): Disable optimization for function
8284 pointer expressions on targets that require function pointer
8287 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
8289 * simplify-rtx.c (simplify_const_relational_operation): When
8290 extracting arguments of a COMPARE, recompute the mode as well.
8292 2005-08-15 Ian Lance Taylor <ian@airs.com>
8294 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
8296 2005-08-15 DJ Delorie <dj@redhat.com>
8298 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
8300 (movsi_splittable): Allow, but split, moves to the stack.
8301 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
8304 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8306 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
8307 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
8308 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
8310 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
8311 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
8312 Delete HOST_PTR_PRINTF.
8314 * configure, config.in: Regenerate.
8316 2005-08-15 David Edelsohn <edelsohn@gnu.org>
8318 * config/rs6000/rs6000.md (QHSI): New mode macro.
8319 (wd): Extend mode attr for QImode and HImode
8320 (dbits): New mode attr.
8321 (zero_extend<mode>di2): Convert to mode macro.
8323 2005-08-15 Steve Ellcey <sje@cup.hp.com>
8326 * doc/invoke.texi (-mgnu-ld): Update description.
8329 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
8332 * Makefile.in (tree-chrec.o): Depends on real.h.
8333 * tree-chrec.c: Include real.h.
8334 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
8335 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
8336 * tree-scalar-evolution.c (add_to_evolution_1,
8337 interpret_rhs_modify_expr): Ditto.
8339 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
8342 * tree-data-ref.c (estimate_niter_from_size_of_data): When
8343 step is negative compute the estimation from init downwards to zero.
8345 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
8347 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
8349 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
8351 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
8353 (legitimate_reload_constant_p): Fix handling of lliXX operands.
8354 Accept double-word constants that can be split.
8355 * config/s390/s390.md ("movti"): Use 'P' constraint.
8356 ("*movdi_31", "*movdf_31"): Likewise.
8358 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
8360 Fix PR tree-optimization/22615
8362 * tree-ssa-structalias.c (solution_set_add): Handle
8363 first_vi_for_offset returning NULL.
8364 (do_da_constraint): Ditto.
8365 (do_sd_constraint): Ditto.
8366 (do_ds_constraint): Ditto
8367 (find_func_aliases): Ditto.
8368 (build_constraint_graph): RHS is allowed be ANYTHING.
8369 (first_vi_for_offset): Return NULL if we couldn't find anything at
8372 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
8374 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
8375 over memory as first operand.
8377 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
8380 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
8381 available for setting it.
8383 2005-08-14 Ira Rosen <irar@il.ibm.com>
8385 PR tree-optimization/23320
8386 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
8387 data-refs' types instead of base object nullness. Add check for
8388 pointer type data-refs before first location comparison. Remove
8391 2005-08-14 Andreas Schwab <schwab@suse.de>
8393 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
8395 2005-08-13 James E Wilson <wilson@specifix.com>
8397 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
8398 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
8399 -fstack-protector-all, --param ssp-buffer-size): Document.
8400 (-Wvariadic-macros): Alphabetize.
8401 (-fsched-stalled-insns-dep): Add missing 'f'.
8403 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
8406 2005-08-13 David Edelsohn <edelsohn@gnu.org>
8408 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
8409 or indirect address operand.
8410 (EXTRA_ADDRESS_CONSTRAINT): New.
8411 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
8413 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
8415 PR tree-optimization/22236
8416 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
8417 successors and predecessors.
8418 * tree-chrec.c (chrec_convert): Before converting, check that
8419 sequences don't wrap.
8420 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
8421 (analyze_array): Extern.
8422 (find_data_references_in_loop): Remove call to
8423 compute_estimated_nb_iterations.
8424 * tree-data-ref.h (analyze_array): Declared.
8425 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
8426 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
8427 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
8428 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
8430 * tree-ssa-loop-ivcanon.c: Fix documentation.
8431 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
8432 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
8433 (infer_loop_bounds_from_undefined): New.
8434 (estimate_numbers_of_iterations_loop): Use
8435 infer_loop_bounds_from_undefined.
8436 (used_in_pointer_arithmetic_p): New.
8437 (scev_probably_wraps_p): Pass an extra parameter. Call
8438 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
8439 (convert_step): Fix documentation.
8440 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
8441 Use initial_condition_in_loop_num and evolution_part_in_loop_num
8442 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
8443 scev_probably_wraps_p.
8445 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
8447 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
8448 (s390_register_info): Ignore clobbered_regs information for fixed
8449 registers, and only fixed registers.
8450 (s390_init_frame_layout): Remove redundant call.
8452 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
8454 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
8455 description of -Wold-style-casts.
8457 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8458 Jakub Jelinek <jakub@redhat.com>
8460 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8461 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
8462 * config/s390/s390.c (print_operand): New output modifier 'G' added.
8463 (get_thread_pointer): Renamed to s390_get_thread_pointer.
8464 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
8465 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
8466 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8467 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8468 ("stack_protect_set", "stack_protect_test"): New expanders.
8469 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8470 "stack_protect_testdi"): New insn definitions.
8472 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8474 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8476 2005-08-12 Paul Brook <paul@codesourcery.com>
8478 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8480 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8482 * config/s390/predicates.md (setmem_operand): New predicate.
8483 (shift_count_operand): Accept ANDs with special constants as
8485 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8486 with special constants.
8487 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8488 shift_count_operand with setmem_operand.
8490 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8492 * config/s390/s390.c (s390_extract_part, s390_single_part):
8494 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8495 (s390_output_mi_thunk): Don't use lg on 31 bit.
8496 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8497 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8499 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8501 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8502 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8503 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8504 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8505 with one of the new macros.
8507 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8509 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8510 Don't set save_return_addr_p.
8511 (s390_register_info): Make clobbered_regs not depending on
8514 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
8516 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8517 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8519 2005-08-11 James E. Wilson <wilson@specifix.com>
8521 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8523 2005-08-11 Jakub Jelinek <jakub@redhat.com>
8525 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8526 locations gathered by var-tracking in single entry loc_list
8527 over loc_descriptor_from_tree.
8529 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8530 pass it down to loc_descriptor.
8531 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8532 (containing_function_has_frame_base): Move earlier in the file.
8533 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8534 instead of always assuming fbreg can't be used.
8536 2005-08-11 David Edelsohn <edelsohn@gnu.org>
8538 * config/rs6000/altivec.md: Change constraint "m" to "Z".
8539 * config/rs6000/predicates.md (indexed_or_indirect_operand):
8540 Accept address wrapped in AND for Altivec.
8541 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8542 Strip AND wrapping offset address for Altivec.
8544 2005-08-11 Richard Henderson <rth@redhat.com>
8547 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8548 before using TYPE_IS_SIZETYPE.
8550 2005-08-11 Richard Henderson <rth@redhat.com>
8553 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8554 insn types not present on ev4.
8555 (alphaev5_insn_pipe): Similarly.
8557 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
8560 * arm.c (arm_override_options): If the user has selected callee-super-
8561 interworking, then enable normal interworking.
8563 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8565 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8568 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
8570 * doc/rtl.texi: Fix two typos.
8572 2005-08-11 Richard Guenther <rguenther@suse.de>
8575 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8576 cases where we call to/from functions returning void.
8578 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
8581 * tree.c (build_pointer_type_for_mode): Robustify.
8583 2005-08-10 James E Wilson <wilson@specifix.com>
8585 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8586 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8588 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8591 2005-08-10 Eric Christopher <echristo@apple.com>
8593 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8594 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8597 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
8600 * config/darwin.c (machopic_indirect_data_reference): Use a new register
8601 for the high part when generating dynamic-no-pic code.
8603 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
8605 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8606 (x86_64-*-linux*): Likewise.
8608 * config/i386/crtfastmath.c: New file.
8609 * config/i386/t-crtfm: Likewise.
8611 * config/i386/linux.h (ENDFILE_SPEC): New.
8612 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8614 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8617 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
8619 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8620 (vec_shl, vec_shr): Document new operations.
8621 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8623 2005-08-10 David Edelsohn <edelsohn@gnu.org>
8625 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8626 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8627 change predicate to indexed_or_indirect_address.
8629 2005-08-10 Richard Sandiford <richard@codesourcery.com>
8631 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8632 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8633 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8634 and __aeabi_uwrite8.
8635 * config/arm/unaligned-funcs.c: New file.
8636 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8638 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
8640 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8642 * cfglayout.c (pass_insn_locators_initialize): Add dump.
8643 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8645 * except.c (pass_convert_to_eh_region_ranges): Add dump.
8646 * final.c (pass_shorten_branches): Add dump.
8647 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8648 (pass_life): Rename dump.
8649 (rest_of_handle_flow2): Remove initial verify_flow_info.
8650 * function.c (pass_instantiate_virtual_regs): Add dump.
8651 * integrate.c (pass_initial_value_sets): Add dump.
8652 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8653 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8654 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8655 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8656 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8657 gate_rtl_unrool_and_peel_loops): New.
8658 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8659 rtl_doloop): Do not look at flags.
8660 * mode-switching.c (pass_mode_switching): Add dump.
8661 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8662 pass_split_before_regstack): Add dump.
8663 * regmove.c (pass_stack_adjustments): Add dump.
8664 * tree-optimize.c (pass_fixup_cfg): Add dump.
8666 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8669 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8670 deciding which instruction sequence to use.
8672 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
8674 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8675 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8677 2005-08-09 Richard Guenther <rguenther@suse.de>
8679 * c-common.c (builtin_function_2): Remove.
8680 (def_builtin_1): New function.
8681 (c_common_nodes_and_builtins): Use def_builtin_1 to
8682 build builtin functions.
8684 2005-08-09 Jie Zhang <jie.zhang@analog.com>
8686 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8687 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8688 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8691 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8693 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8694 fold_binary instead of fold_build2 since we don't care about the
8696 (loop_niter_by_eval): Likewise.
8697 (compare_trees): Likewise.
8698 (proved_non_wrapping_p): Likewise.
8700 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8704 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8705 if the if is really empty.
8707 2005-08-09 Steven Bosscher <stevenb@suse.de>
8709 PR tree-optimization/23234
8710 * tree-ssa-math-opts.c (place_reciprocal): New enum.
8711 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8712 argument of the new enum.
8713 (execute_cse_reciprocals): Add reciprocals for function arguments
8714 on the unique successor edge of the entry block. Update other calls
8715 to execute_cse_reciprocals_1.
8717 2005-08-08 Richard Henderson <rth@redhat.com>
8720 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8722 2005-08-08 Bob Wilson <bob.wilson@acm.org>
8724 * expr.c (write_complex_part): Return after handling MEM.
8726 2005-08-08 Josh Conner <jconner@apple.com>
8728 PR rtl-optimization/23241
8729 * combine.c (simplify_comparison): Fix error in determining
8730 whether to lift a subreg from comparison.
8732 2005-08-08 David Edelsohn <edelsohn@gnu.org>
8735 * config/rs6000/altivec.md (vec_init<mode>): New.
8736 (vec_set<mode>): New.
8737 (vec_extract<mode>): New.
8738 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8739 (rs6000_expand_vector_set): New.
8740 (rs6000_expand_vector_extract): New.
8741 (rs6000_legitimate_offset_address_p): Offset addresses are valid
8742 for Altivec modes before reload.
8743 (altivec_expand_vec_init_builtin): New.
8744 (get_element_number): New.
8745 (altivec_expand_vec_set_builtin): New.
8746 (altivec_expand_vec_ext_builtin): New.
8747 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8749 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8751 * config/rs6000/rs6000.h (rs6000_builtins): Add
8752 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8753 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8754 * config/rs6000/rs6000-protos.h: Declare new functions.
8756 2005-08-08 Jan Hubicka <jh@suse.cz>
8758 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8759 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8760 * i386.md (movdi*): Use pic_32bit_operand.
8761 * predicates.md (pic_32bit_operand): New.
8763 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
8766 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8768 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
8770 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8771 (test_for_singularity): Use fold_build2.
8773 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8775 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8777 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
8779 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8780 (COMMON_ASM_OP) Define.
8781 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8782 (ix86_encode_section_info): Likewise.
8783 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8784 SUBTARGET_ENCODE_SECTION_INFO.
8786 2005-08-06 Richard Henderson <rth@redhat.com>
8789 * tree-nested.c (convert_local_reference): Save and restore val_only
8790 around component_ref and friends. Clear walk_subtrees by default.
8792 2005-08-06 Peter O'Gorman <peter@pogma.com>
8795 * gcc.c (process_command): Check the argument to -b has a dash.
8796 * doc/invoke.texi: Update -b and -V docs.
8798 2005-08-06 James E Wilson <wilson@specifix.com>
8800 * config/mips/cross64.h, config/mips/t-cross64: Delete.
8802 2005-08-06 Michael Matz <matz@suse.de>
8804 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8805 member only if only one insn is associated with the value.
8807 2005-08-06 Nick Clifton <nickc@redhat.com>
8809 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8811 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8812 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8813 Check symbol flags instead of symbol name mangling.
8814 (xstormy16_asm_output_aligned_common): Likewise. Also
8815 simplify code since the bss100_section cass is the only case
8816 where the below100 code will be triggered.
8817 (xstormy16_encode_section_info): Encode below100 attribute
8818 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8820 (xstormy16_strip_name_encoding): Delete - this function is no
8822 (TARGET_STRIP_NAME_ENCODING): Undefine.
8823 * config/stormy16/stormy16-protos.h: Delete prototype for
8824 xstormy16_strip_name_encoding.
8826 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
8828 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8829 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8830 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8831 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8832 config/alpha/predicates.md, config/arc/arc.h,
8833 config/arm/arm.h, config/arm/ieee754-df.S,
8834 config/arm/ieee754-sf.S, config/bfin/bfin.c,
8835 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8836 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8837 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8838 config/m68hc11/m68hc11.h, config/mips/mips.c,
8839 config/mips/mips.h, config/mips/openbsd.h,
8840 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8841 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8842 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8843 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8844 config/sparc/linux.h, config/sparc/linux64.h,
8845 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8846 doc/extend.texi, doc/gcov.texi, doc/install.texi,
8847 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8848 typos. Follow spelling conventions.
8850 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
8853 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8854 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8855 specially. Check for side effects only for COND_EXPR.
8856 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8857 return with TREE_NO_WARNING.
8859 2005-08-06 Richard Sandiford <richard@codesourcery.com>
8861 PR rtl-optimization/23233
8862 * loop.c (combine_movables): Require the modes to be the same.
8863 (move_movables): Remove handling of cases where the replacement
8864 had a different mode to the original.
8866 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
8868 PR tree-optimization/23128
8869 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8870 subtraction wrap, and set TREE_OVERFLOW if they do.
8872 2005-08-05 Richard Henderson <rth@redhat.com>
8875 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8876 FORCED_LABEL labels.
8878 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
8881 * reload.c (find_reloads_subreg_address): Pass down TYPE
8882 unchanged. Change all callers except find_reloads_toplev.
8884 2005-08-05 Michael Matz <matz@suse.de>
8886 * genattrtab.c (current_alternative_string): Remove.
8887 (SIMPLIFY_ALTERNATIVE): Ditto.
8888 (attr_alt_bit_p): Ditto.
8889 (alternative_name): Make const char *.
8890 (evaluate_eq_attr): Remove use of above things.
8891 (simplify_test_exp): Ditto.
8892 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8893 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8895 2005-08-04 James E Wilson <wilson@specifix.com>
8897 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8898 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8899 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8900 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8901 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8903 2005-08-04 Richard Henderson <rth@redhat.com>
8906 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8907 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8908 * tree-sra.c (decide_block_copy): Use it. Disable element copy
8909 if we'd have to instantiate too many members.
8911 2005-08-04 Richard Henderson <rth@redhat.com>
8914 * tree-outof-ssa.c (coalesce_asm_operands): New.
8915 (coalesce_ssa_name): Use it. Split out ...
8916 (coalesce_phi_operands, coalesce_result_decls): ... these.
8918 2005-08-04 Paul Brook <paul@codesourcery.com>
8920 * read-rtl.c (read_quoted_string): Break if EOF.
8922 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
8924 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8925 (fold_build2): Likewise.
8926 (fold_build3): Likewise.
8927 (fold_build1_stat): New function prototype.
8928 (fold_build2_stat): Likewise.
8929 (fold_build3_stat): Likewise.
8930 * fold-const.c (fold_build1): Rename to ..
8931 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8932 through to build1_stat.
8933 (fold_build2): Rename to ..
8934 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8935 through to build2_stat.
8936 (fold_build3): Rename to ..
8937 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8938 through to build3_stat.
8940 2005-08-04 David Edelsohn <edelsohn@gnu.org>
8941 Ian Lance Taylor <ian@airs.com>
8943 * function.c (assign_stack_local_1): Do not correct stack slot
8944 address if allocation size is smaller than mode size.
8946 2005-08-04 Diego Novillo <dnovillo@redhat.com>
8949 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8950 (tree_merge_blocks): Propagate anything allowed by
8952 Clarify documentation.
8953 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8954 SSA form, schedule an update if necessary.
8956 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
8958 * doc/install.texi (Binaries): Remove broken link to
8959 Sinix/Reliant Unix binaries.
8961 2005-08-03 Richard Henderson <rth@redhat.com>
8964 * function.c (stack_protect_epilogue): Export.
8965 * tree.h (stack_protect_epilogue): Declare.
8966 * calls.c (expand_call): Call it.
8968 2005-08-03 Eric Christopher <echristo@apple.com>
8970 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8971 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8974 2005-08-04 Jan Hubicka <jh@suse.cz>
8976 * profile.c (branch_prob): Split edges with goto locus on them
8977 to get proper line counts.
8978 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8980 2005-08-03 Paul Brook <paul@codesourcery.com>
8982 * function.c (assign_parms): Round current_function_args_size
8983 to PARM_BOUNDARY, not STACK_BOUNDARY.
8985 2005-08-03 Geoffrey Keating <geoffk@apple.com>
8987 * config/i386/i386.c (x86_elf_aligned_common)
8988 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8990 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
8992 PR tree-optimization/23157
8993 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8994 before emitting them.
8996 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8998 PR tree-optimization/19899
8999 * Makefile.in (tree-scalar-evolution.o): Add real.h.
9000 * tree-scalar-evolution.c: Include real.h.
9001 (add_to_evolution): Build constant -1 of correct type.
9003 2005-08-03 Jan Hubicka <jh@suse.cz>
9005 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
9006 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
9007 profile updating for complette unrolling.
9008 * loop-unroll.c (peel_loop_completely): Use it.
9009 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
9010 (tree_unroll_loops_completely): Disable code growing unrolling of cold
9013 2005-08-03 Paul Brook <paul@codesourcery.com>
9015 * combine.c (can_change_dest_mode): New function.
9016 (try_combine, simplify_set): Use it.
9018 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
9020 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
9023 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
9025 * doc/install.texi (Specific): Adjust link to openavr.org.
9026 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
9027 (Binaries): Adjust HP-UX Porting Center link.
9028 (Binaries): Adjust Free Software Foundation ordering link.
9030 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
9032 * convert.c (convert_to_integer): Use fold_build1 instead of
9033 build1 when converting an integer to an integer.
9035 2005-08-02 Richard Henderson <rth@redhat.com>
9037 * combine.c (combine_instructions): Don't use reg_equal/equiv
9038 results if the mode doesn't match.
9040 2005-08-02 Mark Mitchell <mark@codesourcery.com>
9042 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
9043 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
9045 2005-08-02 Richard Henderson <rth@redhat.com>
9048 * explow.c (memory_address): Remove special-case for
9049 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
9051 2005-08-02 Diego Novillo <dnovillo@redhat.com>
9054 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
9055 number of calls to cleanup_tree_cfg_1.
9057 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
9059 * doc/invoke.texi: document file extensions .F90 and .F95
9061 2005-08-02 Richard Guenther <rguenther@suse.de>
9063 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
9064 positive if its first argument is positive.
9066 2005-08-02 Richard Guenther <rguenther@suse.de>
9068 PR tree-optimization/23177
9069 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
9072 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
9074 PR tree-optimization/23129
9075 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
9076 varying for divisions with anti-ranges.
9078 2005-08-02 Jan Hubicka <jh@suse.cz>
9080 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
9081 * tree-ssa-threadupdate.c (thread_block): Add it here.
9083 2005-08-01 James E Wilson <wilson@specifix.com>
9085 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
9086 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
9087 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
9089 * config/mips/predicates.md (const_call_insn_operand): Add check for
9090 SYMBOL_REF_LONG_CALL_P.
9091 * doc/extend.texi (long_call): Document the new attribute.
9093 2005-08-01 Ian Lance Taylor <ian@airs.com>
9094 Richard Henderson <rth@redhat.com>
9096 * Makefile.in (RTL_BASE_H): Add real.h.
9097 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
9099 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
9101 * rtl.c (rtl_check_failed_code_mode): New.
9102 * rtl.h (struct rtx_def): Add u.rv.
9103 (XCMWINT, XCNMPRV): New.
9104 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
9105 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
9107 2005-08-01 Richard Henderson <rth@redhat.com>
9109 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
9110 with auto-inc codes.
9112 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
9114 2005-08-01 Jan Hubicka <jh@suse.cz>
9116 * i386-protos.h (asm_preferred_eh_data_format): Declare.
9117 * i386.c: Include dwarf2.h
9118 (asm_preferred_eh_data_format): New.
9119 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
9121 2005-08-01 Ian Lance Taylor <ian@airs.com>
9123 * config/host-linux.c (linux_gt_pch_get_address): Add new name
9124 randomize_va_space for virtual address randomization control.
9126 2005-08-01 Steven Bosscher <stevenb@suse.de>
9128 * common.opt (flag_ipa_cp): Put in right place to maintain
9131 2005-08-01 Jan Hubicka <jh@suse.cz>
9133 * profile.c (compute_value_histograms): Fix thinko.
9134 * value-prof.c: Include toplev.h
9135 (check_counter): New function.
9136 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
9137 tree_mod_subtract_transform): Add sanity check.
9139 2005-08-01 Richard Guenther <rguenther@suse.de>
9141 PR tree-optimization/23133
9142 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
9143 current functions parameter decls to find defs to cse
9146 2005-08-01 Richard Guenther <rguenther@suse.de>
9148 PR tree-optimization/23109
9149 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
9150 If trapping math is in effect, use post-dominator information
9151 to check if we'd in any case reach a trapping point before
9152 doing the reciprocal insertion.
9153 (execute_cse_reciprocals): Compute post-dominators, if necessary.
9154 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
9155 expressions are invariant only if trapping math is not in effect.
9157 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
9159 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
9160 cgraph_function_versioning): New declarations.
9161 * cgraphunit.c: Add include to ipa-prop.h.
9162 (update_call_expr, cgraph_copy_node_for_versioning,
9163 cgraph_function_versioning): New functions.
9164 * integrate.c (copy_decl_for_inlining): Remove.
9165 * ipa-prop.h (ipa_replace_map): New struct.
9166 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
9167 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
9168 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
9169 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
9170 ipcp_iterate_stage, ipcp_method_scale_print,
9171 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
9172 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
9173 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
9174 ipcp_update_bb_counts, ipcp_update_profiling,
9175 ipcp_update_edges_counts): New functions.
9176 (ipcp_method_cval_init): Remove restriction regarding local methods.
9177 (ipcp_init_stage): Add ipcp_method_compute_scale.
9178 (ipcp_insert_stage): Add versioning.
9179 (ipcp_structures_print): Add ipcp_method_scale_print.
9180 (ipcp_driver): Dump profiling info.
9181 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
9182 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
9183 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
9184 (struct inline_data): Add versioning_p, ipa_info, new fields.
9185 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
9186 declare_return_variable): Replace calls to copy_decl_for_inlining with
9188 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
9190 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
9191 Add argument VERSIONING.
9192 (copy_arguments_for_versioning, copy_static_chain,
9193 function_versionable_p, tree_versionable_function_p,
9194 tree_function_versioning, replace_ref_tree): New functions.
9195 * tree-inline.h: Include varray.h.
9196 (tree_versionable_function_p, tree_function_versioning,
9197 tree copy_decl_for_dup): New declarations.
9199 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
9201 * ipa-cp.c: New file. Contains IPCP specific functionality.
9202 * ipa-prop.h: New file. Contains structures/definitions that can be
9203 used by several interprocedural data flow optimizations (and also IPCP).
9204 * ipa-prop.c: New file.
9205 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
9206 * common.opt: Add ipa-cp flag.
9207 * timevar.def: Add IPCP optimization.
9208 * tree-optimize.c (init_tree_optimization_passes): Schedule
9210 * tree-pass.h (pass_ipa_cp): Declare.
9212 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
9214 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
9215 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
9216 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
9217 config/i386/i386.c, config/mips/mips.h,
9218 config/rs6000/rs6000.h, config/sh/sh.c,
9219 config/stormy16/stormy16.c: Fix comment typos.
9221 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
9224 * c-typeck.c (build_binary_op): Use common_type wrapper on
9226 (common_type): Update comment.
9228 2005-07-31 Steven Bosscher <stevenb@suse.de>
9231 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
9232 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
9233 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
9235 2005-07-31 Jan Hubicka <jh@suse.cz>
9237 * pretty-print.h (pp_widest_integer): New macro.
9238 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
9241 2005-07-31 Jan Hubicka <jh@suse.cz>
9243 * output.h (enum section_category): Export from varasm.c
9244 (categorize_decl_for_section): Likewise.
9245 * varasm.c (enum section_category): Kill.
9246 (categorize_decl_for_section): Make global.
9247 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
9249 * i386.c (ix86_section_threshold): New static variable.
9250 (ix86_in_large_data_p, ix86_encode_section_info,
9251 x86_64_elf_unique_section,
9252 x86_64_elf_select_section): New functions.
9253 (TARGET_ENCODE_SECTION_INFO): Define
9254 (override_options): Enable medium model for PIC.
9255 (ix86_expand_prologue): Expand gen_set_got_rex64.
9256 (legitimate_constant_p): Handle new UNSPECs.
9257 (legitimate_pic_address_disp_p): Likewise.
9258 (legitimize_pic_address): Lower MEDIUM model addressing.
9259 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
9260 (enum cmodel): Add MEDIUM_PIC.
9261 (SYMBOL_REF_FAR_ADDR_P): New macro.
9262 (SYMBOL_FLAG_FAR_ADDR): New flag.
9263 * i386.md (movdi): Support medium model.
9264 (set_got_rex64): New pattern.
9265 * i386.opt (mlarge-data-threshold): New flag.
9266 * predicates.md (zext_operand/sext_operand): Deal with medium model.
9267 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
9268 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
9269 TARGET_ASM_UNIQUE_SECTION): New.
9271 * invoke.texi (-mlarge_data_threshold): Document
9273 2005-07-31 Jan Hubicka <jh@suse.cz>
9275 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
9276 (coalesce_vars): Likewise.
9277 * tree-ssa-live.c (coalesce_cost): New.
9278 (build_tree_conflict_graph): Use coalesce_cost.
9279 * tree-ssa-live.h (coalesce_cost): Declare.
9281 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
9283 * arm.md (all peepholes for post-increment operations): Delete.
9284 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
9285 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
9286 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
9287 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
9288 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
9290 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
9292 * fold-const.c (tree_expr_nonnegative_p): Always return true for
9295 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
9298 * doc/invoke.texi: Document -rdynamic.
9300 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
9303 * c-parser.c (c_parser_parms_list_declarator): Call
9304 mark_forward_parm_decls.
9305 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
9306 decls with visibility structure.
9308 2005-07-30 Paul Brook <paul@codesourcery.com>
9310 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
9312 2005-07-30 Paul Brook <paul@codesourcery.com>
9314 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
9316 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
9318 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
9320 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9323 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
9324 nested function declarators.
9325 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
9326 (grokparms): Call warn_if_shadowing for parameters used within the
9328 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
9329 not used within the parameter list.
9330 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
9332 2005-07-30 Jan Hubicka <jh@suse.cz>
9334 * expr.c (expand_expr_real_1): Do not load mem targets into register.
9335 * i386.c (ix86_fixup_binary_operands): Likewise.
9336 (ix86_expand_unary_operator): Likewise.
9337 (ix86_expand_fp_absneg_operator): Likewise.
9338 * optabs.c (expand_vec_cond_expr): Validate dest.
9340 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9343 * real.c (real_from_string): Also set last bit if there is a
9344 nonzero hex digit beyond GCC's internal precision after ".".
9346 2005-07-29 David Edelsohn <edelsohn@gnu.org>
9348 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
9349 define_constants. Change duplicate values to unassigned numbers.
9350 Change UNSPEC_SUBS to UNSPEC_VSUBS.
9351 (*altivec_vspltsf): New.
9352 (altivec_vperm_v4sf): Delete.
9353 (altivec_vperm_<mode>): Use mode macro V.
9354 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
9355 (altivec_predicate_v4sf): Delete.
9356 (altivec_predicate_<mode>): Use mode macro V.
9357 (*altivec_lvesfx): New.
9358 (*altivec_stvesfx): New.
9359 (vec_realign_load_v4sf): Delete.
9360 (vec_realign_load_<mode>): Use mode macro V.
9361 * config/rs6000/rs6000.c (generate_set_vrsave): Use
9364 2005-07-29 Mark Mitchell <mark@codesourcery.com>
9367 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
9369 * configure: Regenerated.
9371 2005-07-29 Paul Brook <paul@codesourcery.com>
9373 * doc/install.texi: Add link to GFortran binaries wiki page.
9375 2005-07-29 David Ung <davidu@mips.com>
9377 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
9378 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
9379 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
9380 * config/mips/mips.md (cpu): Add 5kf name.
9381 (includes): Includes 5k.md.
9382 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
9383 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
9386 2005-07-29 Diego Novillo <dnovillo@redhat.com>
9389 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
9390 (cleanup_tree_cfg): ... here.
9391 Call cleanup_tree_cfg_1 until there are no more cleanups to
9394 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
9396 * tree-vrp.c (compare_range_with_value): Return true or false
9397 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
9398 EQ_EXPR respectively.
9400 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
9402 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
9405 2005-07-29 Diego Novillo <dnovillo@redhat.com>
9407 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
9408 (tree_ssa_dominator_optimize): Increment it.
9409 (dump_dominator_optimization_stats): Print it.
9411 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
9412 Steven Bosscher <stevenb@suse.de>
9414 PR rtl-optimization/23117
9415 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
9416 when head == tail. Tidy comment.
9418 2005-07-28 Richard Henderson <rth@redhat.com>
9420 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
9421 * cselib.c (rtx_equal_for_cselib_p): Likewise.
9422 * jump.c (rtx_renumbered_equal_p): Likewise.
9423 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
9424 CONST_INT and CONST_DOUBLE.
9425 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
9426 * reload.c (operands_match_p): Special case CONST_INT and
9427 CONST_DOUBLE; check mode earlier.
9429 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9432 * c-typeck.c (convert_for_assignment): Do not check
9433 DECL_IN_SYSTEM_HEADER on NULL fundecl.
9435 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9438 * c-typeck.c (composite_type): Prefer constant size arrays to
9441 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
9444 * real.c (real_from_string): Set last bit if there is a nonzero
9445 hex digit beyond GCC's internal precision.
9447 2005-07-28 Richard Henderson <rth@redhat.com>
9450 * cfgcleanup.c (try_forward_edges): Watch out for end of
9453 2005-07-28 James E Wilson <wilson@specifixinc.com>
9456 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
9458 2005-07-28 Jan Hubicka <jh@suse.cz>
9460 * Makefile.in (rtl-profile.o): Kill all traces of it.
9461 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
9462 * coverage.h (rtl_coverage_counter_ref): Kill.
9463 * opts.c (flag_speculative_prefetching_set): Kill.
9464 (flag_loop_optimize_set): New.
9465 (common_handle_option): Disable loop optimizer when profiling;
9466 do not handle speculative prefetching.
9467 * passes.c (init_optimization_passes): Replace pass_profiling combo
9468 by branch_prob pass.
9469 * profile.c (compute_value_histograms): Update for simplified value
9471 (rtl_register_profile_hooks): Kill.
9472 (pass_profiling): Kill.
9473 (rest_of_handle_branch_prob): Do not profile.
9474 * toplev.c (process_options): Remove speculative prefetching.
9475 * toplev.h (flag_tree_based_profiling): Kill.
9476 * tree-profile.c (prepare_instrumented_value,
9477 tree_gen_interval_profiler, tree_gen_pow2_profiler,
9478 tree_gen_one_value_profiler, do_tree_profiling): Update for
9479 simplified datastructures.
9480 * value-prof.c: Add comment that speculative prefetching was dropped;
9481 update rest of file for simplified datastructures.
9482 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9483 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9484 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9485 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9486 rtl_mod_subtract, gen_speculative_prefetch,
9487 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9488 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9489 (gate_handle_value_profile_transformations,
9490 rest_of_handle_value_profile_transformations,
9491 pass_value_profile_transformations): Kill.
9492 * value-prof.h (histogram_value_t): Remove IL based unions.
9493 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9494 rtl_profile_hooks): Remove hooks.
9496 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9498 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9499 (cgraph_clone_node): Likewise.
9500 * cgraph.h (cgraph_clone_edge): Update prototype.
9501 (cgraph_clone_node): Likewise.
9502 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9504 (lookup_recursive_calls): Consider profile.
9505 (cgraph_decide_recursive_inlining): Fix updating; use new
9506 probability argument; use profile.
9507 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9508 * tree-inline.c (copy_bb): Update clal of clone_edge.
9509 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9511 * invoke.texi (min-inline-recursive-probability): Document.
9513 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
9515 * doc/install.texi (Configuration): Update Valgrind homepage.
9517 2005-07-28 Richard Henderson <rth@redhat.com>
9520 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9521 labels we want to delete.
9522 (cfg_layout_merge_blocks): Likewise.
9524 2005-07-28 Richard Henderson <rth@redhat.com>
9527 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9528 when expanding to nothing.
9530 2005-07-28 Josh Conner <jconner@apple.com>
9532 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9533 (cgraph_decide_inlining_of_small_functions): Likewise.
9535 2005-07-28 Josh Conner <jconner@apple.com>
9537 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
9538 direction of badness if negative.
9539 (cgraph_default_inline_p): Add reason to parameters, and assign it
9541 (cgraph_decide_inlining_of_small_functions): New parameter in call
9542 to cgraph_default_inline_p.
9543 (cgraph_decide_inlining_incrementally): Likewise.
9544 * cgraphunit.c (decide_is_function_needed): Likewise.
9545 * cgraph.h (cgraph_default_inline_p): Likewise.
9547 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9549 * builtins.c: Fix comment typo(s).
9550 * genautomata.c: Likewise.
9551 * gimplify.c: Likewise.
9552 * tree-dfa.c: Likewise.
9553 * tree-flow-inline.h: Likewise.
9554 * tree-into-ssa.c: Likewise.
9555 * tree-ssa-alias.c: Likewise.
9556 * tree-ssa-ccp.c: Likewise.
9557 * tree-ssa-copy.c: Likewise.
9558 * tree-ssa-dce.c: Likewise.
9559 * tree-ssa-dom.c: Likewise.
9560 * tree-ssa-operands.c: Likewise.
9561 * tree-tailcall.c: Likewise.
9562 * tree-vectorizer.c: Likewise.
9563 * tree-vrp.c: Likewise.
9566 2005-07-28 Jeff Law <law@redhat.com>
9568 * tree-vrp.c (test_for_singularity): Extracted from ...
9569 (simplify_cond_using_ranges): Attempt to simplify a relational
9570 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
9572 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
9574 PR tree-optimization/22506
9575 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9576 phis whose argument is constant.
9578 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
9580 PR rtl-optimization/18992
9581 Back out this patch:
9582 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9583 PR optimization/12142
9584 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9585 uses of the register in the SET_SRC. Remove unnecessary argument.
9587 Replace it with this:
9588 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9589 if flag_non_call_exceptions is set and the insn may trap, pass
9590 pc_rtx as dest for recursion.
9591 In SET_SRC part of SET case, if dest is already set, pass it down
9594 2005-07-28 Jan Hubicka <jh@suse.cz>
9596 * cfg.c (update_bb_profile_for_threading): Use RDIV.
9597 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9598 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9600 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9601 profile when available.
9603 2005-07-28 Jan Beulich <jbeulich@novell.com>
9605 * config/ia64/ia64.c (ia64_load_pair_ok): New.
9606 (ia64_print_operand): Describe and handle 'X'.
9607 (ia64_register_move_cost): Also handle FP_REGS.
9608 (ia64_preferred_reload_class): Likewise.
9609 (ia64_secondary_reload_class): Likewise.
9610 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9611 it. Also check for ITANIUM_CLASS_FLDP.
9612 * config/ia64/ia64.h (FP_REGNO_P): New.
9613 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9614 (reg_class): Add FP_REGS.
9615 (REG_CLASS_NAMES): Adjust for it.
9616 (REG_CLASS_CONTENTS): Likewise.
9617 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9618 (REG_CLASS_FROM_LETTER): Handle 'x'.
9619 (CLASS_MAX_NREGS): Handle FP_REGS.
9620 (MEMORY_MOVE_COST): Likewise.
9621 * config/ia64/ia64.md (itanium_class): Add fldp.
9622 (type): Handle fldp.
9623 (movti_internal): More allowable operand combinations. Use ldfp8 when
9624 splitting unnecessary. Remove predicable attribute. Adjust
9625 itanium_class attribute.
9626 (smuldi3_highpart): Remove outdated comment.
9627 (mulditi3, umulditi3, rotlti3): New expanders.
9628 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9629 (absti2): Disabled new insn for future reference.
9630 Respective new splitters.
9631 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9632 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9633 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9635 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
9637 PR rtl-optimization/23047
9638 * simplify-rtx.c (simplify_const_relational_operation): Respect
9639 flag_wrapv for comparisons with ABS.
9641 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
9643 PR tree-optimization/22493
9644 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9645 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9647 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
9649 * config/frv/frv.opt (moptimize-membar): New.
9651 * doc/invoke.texi: Document -moptimize-membar and its inverse.
9653 * config/frv/frv.h: Remove machine_function definition.
9655 * config/frv/frv.c (struct frv_io): New.
9656 (struct machine_function): Moved from frv.h. Add has_membar_p.
9657 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9658 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9659 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9660 (frv_optimize_membar_global, frv_optimize_membar): New functions.
9661 (frv_reorg): Call frv_optimize_membar when appropriate.
9662 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9663 (frv_expand_builtin): Adjust calls accordingly.
9664 (frv_io_address_cookie): New function.
9665 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9666 load or store rather than a special insn. Add ccnstant address and
9667 io-type operands to the membar.
9668 (frv_ifcvt_modify_tests): Unsign regno.
9669 (frv_ifcvt_modify_tests): Same.
9671 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
9672 UNSPEC_OPTIONAL_MEMBAR constant.
9673 (builtin_read_<mode>): Delete.
9674 (builtin_write_<mode>): Delete.
9675 ("optional_membar_<mode>"): Add operand.
9677 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9678 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9679 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9680 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9681 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9682 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9683 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9684 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9685 * testsuite/gcc.target/frv/all-read-write-1.c: New.
9687 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
9689 * df.c (df_uses_record): Handle SCRATCH.
9691 2005-07-28 Steven Bosscher <stevenb@suse.de>
9694 * passes.c (rest_of_decl_compilation): If decl is a type and
9695 we have encountered errors, don't emit debug information.
9697 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9699 * params.def: Fixed comment.
9701 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
9704 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9705 (TARGET_ASM_UNALIGNED_HI_OP): Add.
9706 (TARGET_ASM_UNALIGNED_SI_OP): Add.
9708 2005-07-27 Steven Bosscher <stevenb@suse.de>
9711 * varasm.c (assemble_start_function): Don't do anything that may
9712 require a CFG if the current function is a thunk.
9714 2005-07-25 Geoffrey Keating <geoffk@apple.com>
9716 * doc/install.texi (Prerequisites): Mention that perl is needed
9717 to do export control in libstdc++ targetting Darwin.
9719 2005-07-27 Steven Bosscher <stevenb@suse.de>
9721 PR rtl-optimization/17808
9722 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9723 (sched_insns_conditions_mutex_p): Split out from...
9724 (add_dependence): ...here. But don't call it from here.
9725 (add_dependence_list): Check sched_insns_conditions_mutex_p
9726 before calling add_dependence.
9727 (add_dependence_list_and_free): Likewise.
9728 (fixup_sched_groups): Likewise.
9729 (sched_analyze_1): Likewise.
9730 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9731 (sched_analyze): Likewise.
9732 (sched_analyze_insn): Likewise.
9733 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9734 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
9735 dependencies on all COND_EXEC insns to jumps ending basic blocks
9736 when doing intrablock scheduling.
9737 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9739 2005-07-27 Jeff Law <law@redhat.com>
9741 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9742 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
9743 equivalency sets, correctly handle the case were vr0 has an
9744 equivalency set, but vr1 does not.
9746 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
9748 PR tree-optimization/23073
9749 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9750 vect_print_dump_info before fprintf.
9752 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9754 PR tree-optimize/22348
9755 * tree-ssa-loop-niter.c (number_of_iterations_cond):
9756 Fold the partial computation.
9758 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9760 PR tree-optimization/22325
9761 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9763 * tree-scalar-evolution.c (scev_const_prop): Add generic final
9765 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9766 (force_var_cost): ... this function.
9767 (compute_phi_arg_on_exit): Export.
9769 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9771 PR tree-optimization/20773
9772 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9775 2005-07-27 Richard Guenther <rguenther@suse.de>
9777 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9778 Avoid pushing again if current struct contains only
9779 fields we decomposed.
9781 2005-07-27 Jan Hubicka <jh@suse.cz>
9783 PR tree-optimization/22574
9784 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9787 * tree-tailcall.c (decrease_profile): New function.
9788 (eliminate_tail_call): Use it.
9790 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9791 visibility flags correctly in whole program mode.
9793 2005-07-26 Steve Ellcey <sje@cup.hp.com>
9795 PR rtl-optimization/22472
9796 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9798 2005-07-26 Steven Bosscher <stevenb@suse.de>
9800 PR tree-optimization/22504
9801 * tree-complex.c (expand_complex_addition): Use 'code' instead
9802 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9804 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9806 * config.gcc (cpu_type): Add frv case.
9807 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9808 (supported_defaults): Add fr550 case.
9810 2005-07-26 Diego Novillo <dnovillo@redhat.com>
9813 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9814 whether a pointer of type T * may point to objects of type T *.
9816 2005-07-26 DJ Delorie <dj@redhat.com>
9818 * configure: Regenerate.
9820 2005-07-26 Dale Johannesen <dalej@apple.com>
9822 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
9824 2005-07-26 Mark Mitchell <mark@codesourcery.com>
9826 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9827 Clarify use of "build" in name.
9829 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9831 * doc/extend.texi (Raw read/write Functions): New section.
9832 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9833 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9834 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9835 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9836 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9837 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9838 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9839 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9840 * config/frv/frv.c: Add bdesc_loads global.
9841 Add bdesc_stores global.
9842 (frv_init_builtins): Add support for __builtin_{read/write}*.
9843 (frv_volatile_memref): New.
9844 (frv_expand_load_builtin): New.
9845 (frv_expand_store_builtin): New.
9846 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9847 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9848 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9849 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9850 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9851 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9852 (builtin_read_<mode>): New.
9853 (builtin_write_<mode>): New.
9854 (builtin_write64): New.
9855 (optional_membar_<mode>): New.
9857 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
9859 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9860 (rather than units) against HOST_BITS_PER_WIDE_INT.
9862 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
9864 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9865 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9866 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9867 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9870 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9871 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9872 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9874 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9876 2005-07-26 Richard Guenther <rguenther@suse.de>
9878 PR tree-optimization/22486
9879 * fold-const.c (fold_unary): Fold away useless component
9880 references of the form (T *)&T.x, if the address
9883 2005-07-25 James E Wilson <wilson@specifixinc.com>
9885 * dwarf2out.c (add_call_src_coords_attributes): New.
9886 (gen_inlined_subroutine_die): Call it.
9887 (maybe_emit_file, init_file_table): Add comments.
9888 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9890 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9891 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9892 * tree.h (BLOCK_SOURCE_LOCATION): New.
9893 (struct tree_block): New field locus.
9895 2005-07-26 Andreas Schwab <schwab@suse.de>
9897 PR rtl-optimization/23043
9898 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9899 when allocating a struct unoccr.
9901 2005-07-25 Richard Henderson <rth@redhat.com>
9904 * tree-complex.c (gate_no_optimization): True if errors.
9905 * Makefile.in (tree-complex.o): Update dependencies.
9907 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
9909 * config/frv/predicates.md (integer_register_operand): Use
9912 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9915 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9917 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9919 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9921 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9922 types when flag_unsafe_math_optimizations is true.
9924 2005-07-25 Mark Mitchell <mark@codesourcery.com>
9926 * gcc.c (option_map): Add --sysroot.
9927 (process_command): Handle --sysroot.
9928 (display_help): Document it.
9929 * doc/cppopts.tex (-isysroot): Document.
9930 * doc/invoke.texi (--sysroot): Document.
9931 * doc/install.texi (--with-build-sysroot): Document.
9933 * Makefile.in (inhibit_libc): New variable.
9934 (INHIBIT_LIBC_CFLAGS): Likewise.
9935 (LIBGCC2_CFLAGS): Include
9936 $(INHIBIT_LIBC_CFLAGS).
9937 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9938 ($(T)crtbegin.o): Do not use @inhibit_libc@.
9939 ($(T)crtend.o): Likewise.
9940 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9941 ($(T)crtendS.o): Likewise.
9942 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9943 ($(T)crtendT.o): Likewise.
9944 (stmp-fixinc): Do not complain about missing headers if
9946 * configure.ac (inhibit_libc): Set it to true/false.
9947 (--with-build-sysroot): New option. Use it to set
9949 * configure: Regenerated.
9951 2005-07-25 Manfred Hollstein <mh@suse.com>
9953 * calls.c (store_one_arg): Fix unsigned comparison warning.
9955 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
9958 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9959 (ggc_print_statistics): Initialize variable before use.
9961 2005-07-25 Richard Guenther <rguenther@suse.de>
9963 * tree-dfa.c (mark_new_vars_to_rename): Protect against
9964 calling with a PHI_NODE argument.
9966 * tree-flow-inline.h (overlap_subvar): Protect against
9969 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
9971 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9972 * configure: Regenerate.
9974 2005-07-25 Ira Rosen <irar@il.ibm.com>
9976 * expr.c (highest_pow2_factor): Make extern.
9977 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9978 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9979 record_array_differ_p, array_ptr_differ_p): Likewise.
9980 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9981 additional cases. Call the above functions.
9982 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9983 base_object_differ_p when there are two base objects. Otherwise, compare
9984 base address and offset. Call may_alias_p.
9985 (dump_data_reference): Use a correct field name.
9986 (analyze_array): Make static. Initialize new data-ref fields.
9987 (analyze_indirect_ref): New function.
9988 (init_data_ref): Initialize new data-ref fields.
9989 (strip_conversion): Moved from tree-vect-analyze.c.
9990 (analyze_offset_expr, get_ptr_offset, address_analysis,
9991 object_analysis): Likewise.
9992 (analyze_offset): New function.
9993 (create_data_ref): Likewise.
9994 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9995 dimensions for ARRAY_REFs only.
9996 (build_classic_dist_vector): Make static.
9997 (access_functions_are_affine_or_constant_p): Call macro to get the
9998 address of access functions.
9999 (compute_all_dependences): Add new parameter
10000 compute_self_and_read_read_dependences. Compute self and read-read
10001 dependences if it is true.
10002 (find_data_references_in_loop): Call create_data_ref. Initialize new
10004 (compute_data_dependences_for_loop): Add new parameter
10005 compute_self_and_read_read_dependences. Remove parameter nb_loops,
10006 compute nb_loops. Call compute_all_dependences,
10007 build_classic_dist_vector and build_classic_dir_vector with correct
10009 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
10010 with correct parameters. Compare dimensions for ARRAY_REFs only.
10011 (free_data_refs): Call macro to free access functions.
10012 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
10013 fields from stmt_vinfo.
10014 (struct base_object_info): New structure.
10015 (struct data_reference): Move fields to base_object_info. Add fields
10016 first_location and object_info for above structures. Move fields from
10017 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
10018 aligned_to. Add macros to access the new fields.
10019 Update functions declarations.
10020 * tree-flow.h (is_aliased_with): Declare.
10021 * tree-loop-linear.c (linear_transform_loops): Call
10022 compute_data_dependences_for_loop with correct parameters.
10023 * tree-ssa-alias.c (is_aliased_with): New function.
10024 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
10025 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
10026 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
10027 vect_base_addr_differ_p, compute_subscript_distance and
10028 build_classic_dist_vector. Add printings. Check absolute value of
10030 (vect_analyze_data_ref_dependences): Go through ddrs instead of
10032 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
10033 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
10034 to bytes. Add printing.
10035 (vect_compute_data_refs_alignment): Go through loads and stores in one
10037 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
10038 vect_analyze_data_ref_access): Likewise.
10039 (vect_analyze_pointer_ref_access): Remove.
10040 (vect_address_analysis, vect_object_analysis): Likewise.
10041 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
10042 and analyze data-refs in the loop.
10043 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
10044 fields of data-ref instead of stmt. Add init to the offset from the
10046 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
10047 (vect_update_init_of_dr): Likewise.
10048 (vect_update_inits_of_drs): Go through loads and stores in one loop.
10049 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
10051 (new_loop_vec_info): Initialize new fields.
10052 (destroy_loop_vec_info): Free new fields.
10053 (vect_strip_conversion): Remove.
10054 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
10055 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
10056 datarefs. Add new field ddrs.
10057 Add macros for the new fields access.
10058 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
10059 base_aligned_p, misalignment, memtag, ptr_info and subvars.
10060 Remove their macros.
10061 * tree.h (highest_pow2_factor): Declare.
10063 2005-07-25 Jakub Jelinek <jakub@redhat.com>
10065 * calls.c (store_one_arg): Check for sibling call MEM arguments
10066 from already clobbered incoming argument area.
10068 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10070 * c-common.c (check_missing_format_attribute): New.
10071 * c-common.h (check_missing_format_attribute): Likewise.
10072 * c-typeck.c (convert_for_assignment): Use it.
10074 2005-07-24 Andreas Schwab <schwab@suse.de>
10076 * config/m68k/m68k.md ("extendqidi2"): When source is an address
10077 register use a word move. Correct operand of ext.w in 68000 code.
10079 2005-07-23 Mark Mitchell <mark@codesourcery.com>
10081 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
10082 variables as declarations, rather than definitions.
10084 2005-07-24 Ira Rosen <irar@il.ibm.com>
10086 PR tree-optimization/22526
10087 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
10090 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10092 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
10093 that C99 reserve for future use. Use it to define clog10,
10094 clog10f and clog10l.
10096 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10098 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
10099 * configure.ac: Check for -Wmissing-format-attribute.
10101 * configure: Regenerate.
10103 2005-07-23 Richard Henderson <rth@redhat.com>
10105 PR tree-optimization/22623
10106 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
10108 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
10111 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
10113 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10115 * Makefile.in (C_TREE_H): Update dependencies.
10116 * c-tree.h: Include toplev.h.
10117 * diagnostic.h (diagnostic_set_info): Add format attribute.
10118 * rtl-error.c (diagnostic_for_asm): Likewise.
10120 2005-07-23 Chao-ying Fu <fu@mips.com>
10122 * config/mips/mips-dsp.md: New file.
10123 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
10124 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
10126 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
10127 MIPS_BUILTIN_BPOSGE32.
10128 (mips_expand_builtin_direct): Add one parameter to indicate that
10129 builtin functions need to return a value.
10130 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
10132 (mips_regno_to_class): Add classes for 12 new DSP registers.
10133 (mips_subword): Change to check four HI registers.
10134 (mips_output_move): Output move to and from 6 new DSP accumulators.
10135 (override_options): Make sure -mdsp and -mips16 are not used together.
10136 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
10138 (mips_conditional_register_usage): Disable 6 new DSP accumulators
10140 (print_operand): Add 'q' for printing DSP accumulators.
10141 (mips_cannot_change_mode_class): Check ACC_REGS.
10142 (mips_secondary_reload_class): Check ACC_REGS.
10143 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
10144 (mips_register_move_cost): Check ACC_REGS.
10145 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
10146 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
10147 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
10148 (dsp_bdesc): New array.
10149 (bdesc_arrays): Add DSP builtin function table.
10150 (mips_prepare_builtin_arg): Check predicate again after
10152 (mips_expand_builtin): Add one more parameter to
10153 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
10154 MIPS_BUILTIN_BPOSGE32.
10155 (mips_init_builtins): Initialize new function types.
10156 (mips_expand_builtin_direct): Check if builtin functions need to
10157 return a value and pass operands properly.
10158 (mips_expand_builtin_bposge): New function.
10159 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
10160 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
10161 (FIRST_PSEUDO_REGISTER): Increase to 188.
10162 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
10163 Update for 12 new DSP registers.
10164 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
10165 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
10166 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
10167 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
10168 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
10169 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
10170 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
10171 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
10172 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
10173 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
10174 (REGISTER_NAMES): Add names for 12 new DSP registers.
10175 * config/mips/mips.md: Include mips-dsp.md.
10176 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
10177 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
10178 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
10179 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
10180 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
10181 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
10182 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
10183 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
10184 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
10185 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
10186 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
10187 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
10188 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
10189 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
10190 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
10191 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
10192 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
10193 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
10194 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
10195 (UNSPEC_RDDSP): New constants.
10196 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
10197 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
10199 * config/mips/mips.opt (-mdsp): New option.
10200 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
10201 (reg_imm10_operand): New predicates.
10202 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
10203 * doc/invoke.texi (-mdsp): Document new option.
10205 2005-07-22 DJ Delorie <dj@redhat.com>
10207 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
10209 * tree-inline.c (inlinable_function_p): Likewise.
10211 2005-07-22 Mark Mitchell <mark@codesourcery.com>
10214 * toplev.c (check_global_declarations): Do not mark undefined
10215 variables as DECL_IGNORED_P.
10216 * varasm.c (first_global_object_name): GTY it.
10217 (weak_global_object_name): Likewise.
10218 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
10219 a string to go into {weak,first}_global_object_name.
10221 2005-07-22 DJ Delorie <dj@redhat.com>
10223 * c-format.c (check_function_format): Change warning control
10224 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
10226 2005-07-22 Diego Novillo <dnovillo@redhat.com>
10228 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
10229 &PTR->FLD a dereference of PTR.
10230 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
10231 a potential dereference of PTR.
10233 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
10235 PR rtl-optimization/20370
10236 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
10237 call allocate_reg_info if necessary.
10239 PR rtl-optimization/21848
10240 * calls.c (emit_library_call_value_1): For const functions, add
10241 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
10243 PR rtl-optimization/22445
10244 * cselib.c (target.h): Include.
10245 (rtx_equal_for_cselib_p): Allow commutative matches.
10246 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
10247 Remove MODE parameter. Changed all callers.
10249 PR rtl-optimization/22258
10250 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
10252 (try_combine): Use likely_spilled_retval_p.
10254 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
10256 * config.gcc: Add crx-elf support.
10258 * doc/contrib.texi: Mention crx.
10259 * doc/extend.texi: Document crx extensions.
10260 * doc/install.texi: Document crx install.
10261 * doc/invoke.texi: Document crx options.
10262 * doc/md.texi: Document crx constraints.
10264 * config/crx/crx-protos.h: New file.
10265 * config/crx/crx.c: New file.
10266 * config/crx/crx.h: New file.
10267 * config/crx/crx.md: New file.
10268 * config/crx/crx.opt: New file.
10269 * config/crx/t-crx: New file.
10271 2005-07-22 Manfred Hollstein <mh@suse.com>
10273 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
10275 (int_add_graph_edge): Likewise.
10276 (collapse_nodes): Likewise.
10277 (process_unification_queue): Likewise.
10279 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10280 Laurent GUERBY <laurent@guerby.net>
10282 PR tree-optimization/22336
10283 * function.c (record_block_change): Check for
10284 cfun->ib_boundaries_block.
10286 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
10288 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
10289 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
10291 2005-07-21 DJ Delorie <dj@redhat.com>
10293 * toplev.c (warn_deprecated_use): Add warning control to warning
10295 * c-typeck.c (parser_build_binary_op): Likewise.
10296 (c_finish_if_stmt): Likewise.
10297 * c-common.c (check_function_sentinel): Likewise.
10298 (check_nonnull_arg): Likewise.
10300 2005-07-21 Richard Henderson <rth@redhat.com>
10303 * tree-complex.c (complex_ssa_name_components): New.
10304 (cvc_lookup): Allow entry not found.
10305 (create_components): Remove.
10306 (create_one_component_var, get_component_var): New.
10307 (get_component_ssa_name, set_component_ssa_name): New.
10308 (extract_component): Use get_component_ssa_name.
10309 (update_complex_components): Use set_component_ssa_name.
10310 (update_complex_components_on_edge): Likewise.
10311 (update_phi_components): Create new PHI nodes directly, instead
10312 of adding insns to edges.
10313 (tree_lower_complex): Allocate and free complex_variable_components
10314 and complex_ssa_name_components here.
10316 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
10318 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
10319 revert to returning false.
10321 2005-07-21 Uros Bizjak <uros@kss-loka.si>
10324 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
10326 2005-07-21 Uros Bizjak <uros@kss-loka.si>
10329 * config/i386/i386.md (cmpxf): Change operand constraints
10330 to "nonmemory_operand".
10332 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10334 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
10336 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10338 PR middle-end/21180
10339 * fold-const.c (fold_build1): Add checksum for the operands.
10340 (fold_build2): Likewise.
10341 (fold_build3): Likewise.
10343 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
10345 PR middle-end/19055
10346 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
10348 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10350 * common.opt (-fforward-propagate): Committed by mistake,
10353 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10355 * reg-stack.c: Fix comment typo(s).
10356 * tree-ssa-operands.c: Likewise.
10357 * tree-vectorizer: Likewise.
10359 2005-07-21 Nick Clifton <nickc@redhat.com>
10361 * config/sh/symbian.c: Replace C++ style line comments with C
10362 style line comments.
10363 (symbian_add_attribute): Do not use a ? operator on the LHS of
10365 (sh_symbian_handle_dll_attribute): Change the type of the
10366 method vector to "VEC(tree,gc)*" and use vector accessor
10367 macros to walk over the elements.
10368 (symbian_export_vtable_and_rtti_p): Likewise.
10369 (symbian_class_needs_attribute_p): Likewise.
10371 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10374 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
10375 initialize targetm.resolve_overloaded_builtin here.
10376 (altivec_expand_overloaded_builtin): Make it non-static.
10377 * config/rs6000/rs6000-protos.h
10378 (altivec_expand_overloaded_builtin): New prototype.
10379 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
10380 targetm.resolve_overloaded_builtin here.
10381 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
10383 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
10384 Zdenek Dvorak <dvorakz@suse.cz>
10386 PR tree-optimization/19210
10387 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
10389 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
10390 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
10391 rely on unproven assumptions.
10392 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
10393 * tree-flow.h (number_of_iterations_exit): Add final parameter.
10394 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
10395 to number_of_iterations_exit.
10396 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
10397 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
10398 * tree-ssa-loop-niter.c (find_loop_niter,
10399 estimate_numbers_of_iterations_loop): Likewise.
10400 (number_of_iterations_exit): Honor the new options.
10401 * doc/invoke.texi (Wunsafe-loop-optimizations,
10402 funsafe-loop-optimizations): Document them.
10404 2005-07-21 Richard Sandiford <richard@codesourcery.com>
10406 PR rtl-optimization/22167
10407 * gcse.c (hoist_code): Fix hoist_exprs[] check.
10409 2005-07-20 Adam Nemet <anemet@lnxw.com>
10411 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
10412 __do_global_dtors_aux longcall.
10414 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
10416 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
10417 (old_special_pred_table): Don't reference
10418 SPECIAL_MODE_PREDICATES.
10419 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
10420 * config/arc/arc.h: Don't mention PREDICATE_CODES.
10421 * config/sh/predicates.h: Don't mention
10422 SPECIAL_MODE_PREDICATES.
10423 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
10426 2005-07-20 DJ Delorie <dj@redhat.com>
10428 * config.gcc: Add m32c-elf support.
10430 * doc/contrib.texi: Mention m32c.
10431 * doc/extend.texi: Document m32c extensions.
10432 * doc/install.texi: Mention m32c.
10433 * doc/invoke.texi: Document m32c options.
10434 * doc/md.texi: Document m32c constraints.
10436 * config/m32c/addsub.md: New file.
10437 * config/m32c/bitops.md: New file.
10438 * config/m32c/cond.md: New file.
10439 * config/m32c/jump.md: New file.
10440 * config/m32c/m32c-lib1.S: New file.
10441 * config/m32c/m32c-lib2.c: New file.
10442 * config/m32c/m32c-modes.def: New file.
10443 * config/m32c/m32c-pragma.c: New file.
10444 * config/m32c/m32c-protos.h: New file.
10445 * config/m32c/m32c.abi: New file.
10446 * config/m32c/m32c.c: New file.
10447 * config/m32c/m32c.h: New file.
10448 * config/m32c/m32c.md: New file.
10449 * config/m32c/m32c.opt: New file.
10450 * config/m32c/minmax.md: New file.
10451 * config/m32c/mov.md: New file.
10452 * config/m32c/muldiv.md: New file.
10453 * config/m32c/predicates.md: New file.
10454 * config/m32c/prologue.md: New file.
10455 * config/m32c/shift.md: New file.
10456 * config/m32c/t-m32c: New file.
10458 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10460 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
10461 (stack_protect_set, stack_protect_test): New expanders.
10462 (stack_protect_set_si, stack_protect_set_si_media,
10463 stack_protect_set_di_media, stack_protect_test_si,
10464 stack_protect_test_si_media, stack_protect_test_di_media):
10467 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
10469 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10471 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
10473 * tree.h (tree_expr_nonzero_p): Export.
10474 * fold-const.c (tree_expr_nonzero_p): Likewise.
10475 Return true for CALL_EXPRs that are alloca calls.
10476 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10478 * tree-flow.h (expr_computes_nonzero): Remove.
10479 * tree-vrp.c (expr_computes_nonzero): Remove.
10480 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10481 (extract_range_from_unary_expr): Likewise.
10482 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10483 tree_expr_nonzero_p.
10485 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
10487 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10488 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
10489 extra arg "picreg" and use it instead of pic_offset_table_rtx.
10490 All callers changed.
10491 (frame_related_constant_load): New arg "related" which controls
10492 setting of RTX_FRAME_RELATED_P. All callers changed.
10493 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10494 (bfin_expand_prologue): Add stack limit checking.
10495 * config/bfin/bfin.md (trapifcc): New pattern.
10497 * config/bfin/bfin.c: Include "langhooks.h".
10498 (def_builtin): Go through lang_hooks to call builtin_function.
10500 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10501 * config/bfin/predicates.md (symbol_ref_operand): New.
10502 (call_insn_operand): Delete. All callers changed to use
10503 register_no_elim_operand.
10504 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10506 (function_arg): Use it to generate the call's operand 2.
10507 (bfin_longcall_p): New function.
10508 (bfin_expand_call): Extra arg "cookie". All callers and declaration
10509 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
10510 determine if the address needs to be in a REG.
10511 (bfin_handle_longcall_attribute): New function.
10512 (bfin_attribute_table): Add "longcall" and "shortcall".
10513 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10514 (CUMULATIVE_ARGS): New member call_cookie.
10515 (PREDICATE_CODES): Add symbol_ref_operand.
10516 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10517 extra USE to the pattern.
10518 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10519 New patterns, split off call_insn, sibcall_insn, call_value_insn and
10520 sibcall_value_insn; now the new patterns handle direct calls and the
10521 old ones indirect calls.
10522 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10524 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
10526 * doc/trouble.texi: Update section on handling of empty loops.
10528 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
10530 * config.gcc: Remove support for sparc-*-openbsd*,
10531 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10533 * config.host: Remove support for i860-*-sysv4* as a host.
10534 * config/i860/*, config/ip2k/*, config/ns32k/*,
10535 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10536 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10537 mention obsolete ports.
10539 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10541 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10542 soft frame pointer.
10543 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10544 of frame_pointer_rtx.
10545 (sh_expand_epilogue): Likewise.
10546 (sh_set_return_address): Likewise.
10547 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10548 instead of FRAME_POINTER_REGNUM if needed. Add elimination
10549 offsets from FRAME_POINTER_REGNUM.
10550 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10551 (sh_register_names): Add initializer for sfp.
10552 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10553 (VALID_REGISTER_P): Likewise.
10554 (FIRST_PSEUDO_REGISTER): Update.
10555 (DWARF_FRAME_REGISTERS): Define.
10556 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10557 (HARD_FRAME_POINTER_REGNUM): Define.
10558 (FRAME_POINTER_REGNUM): Redefine.
10559 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10560 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
10561 from FRAME_POINTER_REGNUM.
10562 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10563 FRAME_POINTER_REGNUM.
10564 (REG_CLASS_CONTENTS): Add sfp.
10565 (REG_ALLOC_ORDER): Likewise.
10566 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
10567 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10568 of frame_pointer_rtx.
10569 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10571 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
10573 * fold-const.c (tree_expr_nonnegative_p): Only return true for
10574 ABS_EXPR when flag_wrapv is false because of INT_MIN.
10575 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10577 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10580 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
10582 Make CONSTRUCTOR use VEC to store initializers.
10583 * c-common.c (complete_array_type): Update to cope with VEC in
10585 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10586 (pp_c_constructor_elts): New function.
10587 * c-pretty-print.h (pp_c_constructor_elts): Declare.
10588 * c-typeck.c (build_function_call, build_c_cast, digest_init,
10589 struct constructor_stack, struct initializer_stack,
10590 constructor_elements, push_init_level, pop_init_level,
10591 add_pending_init, find_init_member, output_init_element): Update to
10592 cope with VEC in CONSTRUCTOR_ELTS.
10593 * coverage.c (build_fn_info_value, build_ctr_info_value,
10594 build_gcov_info): Likewise.
10595 * expr.c (categorize_ctor_elements_1, store_constructor,
10596 expand_expr_real_1): Likewise.
10597 * fold-const.c (fold_ternary): Likewise.
10598 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10599 gimplify_init_constructor, gimplify_expr): Likewise.
10600 * tree-dump.c (dequeue_and_dump): Likewise.
10601 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10603 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10605 * tree-sra.c (generate_element_init_1): Likewise.
10606 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10607 * tree-ssa-operands.c (get_expr_operands): Likewise.
10608 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10609 * tree-vect-transform.c (vect_get_vec_def_for_operand):
10610 (get_initial_def_for_reduction): Likewise.
10611 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10612 value handle in annotations.
10613 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10614 tree_node_structure): Add support for constr_kind.
10615 (build_vector_from_ctor, build_constructor_single,
10616 build_constructor_from_list): New functions.
10617 (build_constructor): Update to take a VEC instead of a TREE_LIST.
10618 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10619 Update to cope with VEC in CONSTRUCTOR_ELTS.
10620 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10621 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10622 CONSTRUCTOR_APPEND_ELT): New macros.
10623 (struct constructor_elt, struct tree_constructor): New data types.
10624 (union tree_node): Add tree_constructor field.
10625 * treestruct.def: Define TS_CONSTRUCTOR.
10626 * varasm.c (const_hash_1, compare_constant, copy_constant,
10627 compute_reloc_for_constant, output_addressed_constants,
10628 initializer_constant_valid_p, output_constant,
10629 array_size_for_constructor, output_constructor): Update to cope with
10630 VEC in CONSTRUCTOR_ELTS.
10631 * vec.h (VEC_empty, VEC_copy): New macros.
10633 2005-07-19 Devang Patel <dpatel@apple.com>
10635 * dbxout.c (dbxout_type): Check Objective-C++ lang.
10637 2005-07-19 Richard Henderson <rth@redhat.com>
10640 * gimplify.c (gimplify_expr): Use main variant type for the temp
10641 destination for a discarded volatile read.
10642 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10643 casts between non-void types that change volatility.
10645 2005-07-15 DJ Delorie <dj@redhat.com>
10647 * toplev.h: Add comment about the first parameter for warning().
10648 * errors.h: Likewise.
10650 * c.opt (Wpragmas): New.
10651 * doc/invoke.texi: Document it.
10653 * function.c (do_warn_unused_parameter): Add warning control to
10655 * c-decl.c (warn_if_shadowing): Likewise.
10656 * c-lex.c (cb_def_pragma): Likewise.
10657 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10658 (pop_alignment): Likewise.
10659 (handle_pragma_pack): Likewise.
10660 (apply_pragma_weak): Likewise.
10661 (handle_pragma_weak): Likewise.
10662 (handle_pragma_redefine_extname): Likewise.
10663 (add_to_renaming_pragma_list): Likewise.
10664 (handle_pragma_extern_prefix): Likewise.
10665 (maybe_apply_renaming_pragma): Likewise.
10666 (handle_pragma_visibility): Likewise.
10668 * config/c4x/c4x-c.c (BAD): Likewise.
10669 (c4x_parse_pragma): Likewise.
10670 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10671 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10672 (rs6000_pragma_longcall): Likewise.
10673 * config/v850/v850-c.c (pop_data_area): Likewise.
10674 (ghs_pragma_section): Likewise.
10675 (ghs_pragma_section): Likewise.
10676 (ghs_pragma_interrupt): Likewise.
10677 (ghs_pragma_starttda): Likewise.
10678 (ghs_pragma_startsda): Likewise.
10679 (ghs_pragma_startzda): Likewise.
10680 (ghs_pragma_endtda): Likewise.
10681 (ghs_pragma_endsda): Likewise.
10682 (ghs_pragma_endzda): Likewise.
10684 2005-07-19 Danny Berlin <dberlin@dberlin.org>
10685 Kenneth Zadeck <zadeck@naturalbridge.com>
10687 * Makefile.in: Removed tree-promote-statics.c
10688 * tree-promote-statics.c: Removed.
10689 * common.opt: Removed flag-promote-statics.
10691 * passes.c: Removed tree-promote-statics pass.
10692 * tree-pass.h: Ditto.
10693 * timevar.def: Removed TV_PROMOTE_STATICS.
10696 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
10698 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10700 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10702 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10705 * c-common.c (check_function_arguments): Call
10706 'check_function_format' if either -Wformat or
10707 -Wmissing-format-attribute are specified.
10708 * c-format.c (check_function_format): Check -Wformat before
10709 calling 'check_format_info'.
10710 * c-opts.c (c_common_post_options): Don't warn for
10711 -Wmissing-format-attribute without -Wformat.
10712 * c-typeck.c (convert_for_assignment): Detect additional cases for
10713 -Wmissing-format-attribute.
10714 * doc/invoke.texi (-Wmissing-format-attribute): Document new
10717 2005-07-19 Richard Guenther <rguenther@suse.de>
10719 * config/i386/i386.md (lrint<mode>2): Use temporary
10720 instead of clobbering non-existent memory.
10722 2005-07-19 Nick Clifton <nickc@redhat.com>
10724 * config/avr/avr.c (legitimate_address_p): Fix debugging print
10725 statement to avoid displaying ASCII control characters.
10727 2005-07-19 Ben Elliston <bje@au.ibm.com>
10729 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10730 * cfganal.c (find_edge_index): Ditto.
10731 * combine.c (combine_instructions): Ditto.
10732 * ddg.c (create_scc): Ditto.
10733 (find_successors): Ditto.
10734 (find_predecessors): Ditto.
10735 (find_nodes_on_paths): Ditto.
10736 (longest_simple_path): Ditto.
10737 * flow.c (update_life_info): Ditto.
10738 (count_or_remove_death_notes): Ditto.
10739 (clear_log_links): Ditto.
10740 * modulo-sched.c (generate_reg_moves): Ditto.
10741 (find_max_asap): Ditto.
10742 (find_max_hv_min_mob): Ditto.
10743 (find_max_dv_min_mob): Ditto.
10744 * sbitmap.c (sbitmap_first_set_bit): Ditto.
10745 * sched-rgn.c (extract_edgelst): Ditto.
10746 * tree-into-ssa.c (prepare_names_to_update): Ditto.
10747 (dump_update_ssa): Ditto.
10748 (ssa_names_to_replace) Ditto.
10749 (switch_virtuals_to_full_rewrite): Ditto.
10750 (update_ssa): Ditto.
10751 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10753 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
10755 Fix PR tree-optimization/22483
10757 * tree-complex.c (create_components): Use
10758 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10759 * tree-flow-inline.h (fill_referenced_var_vec): New function.
10760 * tree-flow.h (safe_referenced_var_iterator): New structure.
10761 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10762 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10763 safe_referenced_var iterator.
10764 (add_type_alias): Ditto.
10766 2005-07-19 Steven Bosscher <stevenb@suse.de>
10768 * loop-init.c (rest_of_handle_loop2): Remove.
10769 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10770 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10771 (pass_rtl_loop_init, pass_rtl_loop_done,
10772 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10773 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10774 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10775 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10776 pass_tree_loop_done, and pass_tree_unswitch.
10777 (gate_loop): Rename to gate_tree_loop.
10778 * passes.c (init_optimization_passes): Update for renamed tree
10779 loop passes. Add the new loop2 passes as subpasses of loop2.
10780 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10781 Update for the renamed tree loop passes.
10783 2005-07-18 Ian Lance Taylor <ian@airs.com>
10785 PR middle-end/22057
10786 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10787 blocks when optimizing.
10789 2005-07-18 Steve Ellcey <sje@cup.hp.com>
10791 * common.opt (frename-registers): Initialize to 2.
10793 (fgcse-after-reload): Ditto.
10794 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10795 (process_options): Only change flag_web, flag_rename_registers,
10796 and flag_rerun_cse_after_loop if not explicitly set by user.
10798 2005-07-18 Jan Beulich <jbeulich@novell.com>
10800 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10801 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10802 in 64-bit mode the same as DImode in 32-bit mode.
10803 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10804 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10805 mode. Add new mode parameter.
10806 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10807 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10808 x86_64_shift_adj): New expanders.
10809 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10810 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10812 Respective new splitters. Use renamed shift splitter helpers in 32-bit
10813 DImode shift splitters.
10814 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10815 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10818 2005-07-18 Jan Beulich <jbeulich@novell.com>
10820 * i386.md (movdi_extzv_1): New.
10821 (zero_extendhidi2): Combine alternatives and never force use of
10823 (zero_extendqidi2): Likewise. Don't restrict input selection.
10825 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10827 Fix PR tree-optimization/22531
10828 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
10831 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10833 * tree-promote-statics.c (pass_promote_statics): Change dump file
10836 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10838 * tree-optimize.c (init_tree_optimization_passes): Add
10839 pass_eliminate_useless_stores pass.
10840 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10841 * tree-ssa-pre.c (is_copy_stmt): New function.
10842 (follow_copies_till_vuse): Ditto.
10843 (do_eustores): Ditto.
10844 (gate_eustores): Ditto.
10846 2005-07-16 Richard Henderson <rth@redhat.com>
10848 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10850 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10851 Kenneth Zadeck <zadeck@naturalbridge.com>
10853 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10854 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10855 ipa-type-escape.h, tree-promote-statics.c
10856 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10857 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10858 tree-promote-statics.c: new files.
10859 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10860 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10861 int nonlocal_set_p, mark_constant_function): Deleted.
10862 (rest_of_handle_cfg): Removed call to mark_constant_function.
10863 (nonoverlapping_component_refs_p): Added calls to support
10864 type based aliasing.
10865 * tree-ssa-alias.c (may_alias_p,
10866 compute_flow_insensitive_aliasing): Ditto.
10867 * calls.c (flags_from_decl_or_type): Removed reference to
10869 * c-typeck.c (convert_arguments): Make builtins tolerant of having
10870 too many arguments. This is necessary for Spec 2000.
10871 * cgraph.h (const_function, pure_function): Removed.
10872 * common.opt: Added "fipa-pure-const", "fipa-reference",
10873 "fipa-type-escape", and "ftree-promote-static".
10875 * passes.c: Added ipa and tree-promote-statics passes.
10876 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10877 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10878 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10879 * tree-flow.h: Added exposed sra calls and addition of
10880 reference_vars_info field for FUNCTION_DECLS.
10881 * tree-pass.h: Added passes.
10882 * tree-sra.c: (sra_init_cache): New function.
10883 (sra_insert_before, sra_insert_after) Made public.
10884 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10886 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10887 aliasing. (may_alias_p): Added code to use type escape analysis to
10888 improve alias sets.
10889 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10890 code to prune clobbers of static variables based on information
10891 produced in ipa-reference pass. Changed call clobbering so that
10892 statics are not marked as clobbered if the call does not clobber
10895 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
10897 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10900 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10902 * doc/install.texi (*-*-solaris2*): Document recommended version
10903 of GNU binutils and mention GNU linker problem on Solaris 10.
10905 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
10908 * c-decl.c (c_build_bitfield_integer_type): New function.
10909 (finish_struct): Call it.
10910 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10912 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10914 * c-typeck.c (digest_init): Call 'convert_for_assignment'
10917 2005-07-16 Jan Hubicka <jh@suse.cz>
10919 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10920 (scale_bbs_frequencies_int): Watch roundoff errors.
10921 * predict.c (return_prediction): Initialize return_stmt.
10923 2005-07-16 Jan Hubicka <jh@suse.cz>
10925 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10926 after RTL profiling.
10928 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
10930 PR middle-end/22398
10931 * fold-const.c (build_range_check): Convert high/low to etype
10932 if we are only comparing against exp.
10934 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
10936 Fix PR tree-optimization/22376
10937 * tree-ssa-structalias.c (build_constraint_graph): We really meant
10939 (need_to_solve): New function.
10940 (compute_points_to_sets): Use it.
10942 2005-07-15 Jan Hubicka <jh@suse.cz>
10944 * cfg.c (update_bb_profile_for_threading): More diagnostic.
10945 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10947 2005-07-15 Richard Guenther <rguenther@suse.de>
10949 * c-common.c (handle_flatten_attribute): New function.
10950 Add flatten function attribute.
10951 * doc/extend.texi: Document flatten function attribute.
10952 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10953 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10955 (cgraph_decide_inlining): Handle functions with flatten
10958 2005-07-14 David Edelsohn <edelsohn@gnu.org>
10960 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10961 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10962 UNSPEC_XCHG, UNSPEC_AND): New.
10963 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10964 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10965 * config/rs6000/sync.md (FETCHOP): New code macro.
10966 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10968 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10969 (sync_compare_and_swap<mode>): Same.
10970 (sync_lock_test_and_set<mode>): Same.
10971 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10972 for QImode and HImode, and not PPC405.
10973 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10974 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10975 (sync_<fetchop>{si,di}_internal): New.
10976 (sync_nand{si,di}_internal): New.
10977 (sync_old_<fetchop>{si,di}_internal): New.
10978 (sync_old_nand{si,di}_internal): New
10979 (sync_new_<fetchop>{si,di}_internal): New.
10980 (sync_new_nand{si,di}_internal): New.
10981 (atomic_and{si,di}): New.
10982 (sync_new_nand{si,di}_internal): New.
10983 (atomic_and{si,di}): New.
10984 (sync_add<mode>_internal): Delete.
10985 (sync_addshort_internal): Use unspec instead of unspec_volatile.
10986 (sync_sub<mode>_internal): Delte.
10987 (sync_subshort_internal): New.
10988 (sync_andsi_internal): Use unspec instead of unspec_volatile.
10989 (sync_anddi_internal): Delete.
10990 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10991 (sync_booldi_internal): Delete.
10992 (sync_boolc<mode>_internal): Delete.
10993 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10994 (sync_boolc<mode>_internal2): Delete.
10995 (sync_boolcc<mode>_internal): Delete.
10996 (isync, lwsync): Use unspec instead of unspec_volatile.
10997 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10998 Revert UNSPEC_VOLATILE.
10999 (rs6000_split_atomic_op): New.
11000 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
11002 2005-07-14 Eric Christopher <echristo@redhat.com>
11004 * config/mips/mips.c (mips_canonicalize_comparison): Cast
11005 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
11007 2005-07-14 Eric Christopher <echristo@redhat.com>
11009 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
11011 2005-07-14 Steven Bosscher <stevenb@suse.de>
11013 PR tree-optimization/22230
11014 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
11015 the computation of the four cross productions for "range op range".
11017 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
11018 Ulrich Weigand <uweigand@de.ibm.com>
11021 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
11024 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
11026 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
11028 2005-07-14 Steve Ellcey <sje@cup.hp.com>
11030 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
11032 2005-07-14 Richard Guenther <rguenther@suse.de>
11034 PR middle-end/22347
11035 * config/i386/i386-protos.h (ix86_function_value): Change
11036 prototype to match new target hook.
11037 * config/i386/i386.c (ix86_value_regno): Change prototype
11038 to take extra type argument.
11039 (TARGET_FUNCTION_VALUE): Define.
11040 (ix86_function_ok_for_sibcall): Pass extra argument to
11041 ix86_value_regno, check return slot rtx for exact match.
11042 (ix86_function_value): Take extra parameter. Dispatch to
11043 ix86_value_regno with fndecl/fntype as provided.
11044 (ix86_value_regno): Handle extra type argument.
11045 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
11047 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
11048 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
11049 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
11050 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
11051 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
11053 2005-07-14 Richard Guenther <rguenther@suse.de>
11055 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
11056 * calls.c (expand_call): Pass fntype to hard_function_value.
11057 (emit_library_call_value_1): Likewise.
11058 * explow.c: Include target.h.
11059 (hard_function_value): Take extra argument, the fntype.
11060 Use new target hook for function_value.
11061 * expr.h (hard_function_value): Change prototype.
11062 * function.c (aggregate_value_p): Pass 0 as fntype to
11063 hard_function_value.
11064 (assign_parms): Use new target hook for function_value.
11065 Pass 0 as fntype to hard_function_value.
11066 (expand_function_end): Likewise.
11067 * reg-stack.c: Include target.h.
11068 (stack_result): Use new target hook for function_value.
11069 * target-def.h: New target hook function_value.
11070 * target.h: Likewise.
11071 * targhooks.c (default_function_value): New function.
11072 * targhooks.h (default_function_value): Declare.
11074 2005-07-13 Ian Lance Taylor <ian@airs.com>
11076 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
11078 2005-07-14 Jan Hubicka <jh@suse.cz>
11080 * tree-dfa.c (dump_variable): Use default_def function.
11081 * tree-ssa-alias.c (dump_points_to_info): Likewise.
11082 * tree-ssa.c (verify_use): Likewise.
11083 * tree-ssanames.c (release_ssa_name): Likewise.
11084 * tree-tailcall.c (eliminate_tail_call): Likewise.
11085 (tree_optimize_tail_calls_1): Likewise.
11086 * tree-vrp.c (get_value_range): Likewise.
11088 2005-07-14 Ben Elliston <bje@au.ibm.com>
11090 * gcc.c (main): Compare language[0] with '*' when iterating over
11093 2005-07-13 Adrian Straetling <straetling@de.ibm.com>
11095 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
11096 "s390_emit_compare". Add handling of CCZ1mode.
11097 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
11098 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
11100 (s390_branch_condition_mask): Add CCZ1mode handling.
11101 * config/s390/s390.md: ("seq", "*seq"): New pattern.
11102 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
11103 Use CCZ1mode instead of CCZmode.
11104 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
11106 2005-07-13 Adrian Straetling <straetling@de.ibm.com>
11108 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
11110 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
11112 2005-07-13 Eric Christopher <echristo@redhat.com>
11114 * config/mips/mips.c (mips_canonicalize_comparison): New.
11115 (mips_emit_int_relational): Use.
11117 2005-07-13 Eric Christopher <echristo@redhat.com>
11119 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11120 static extra parts.
11121 * config/s390/s390.md: Include tpf.md. Move tpf specific
11123 * config/s390/tpf.md: To here.
11124 * config/s390/s390.opt: Move tpf specific options...
11125 * config/s390/tpf.opt: to here. Add mmain option.
11126 * config/s390/tpf-unwind.h: Remove unnecessary defines.
11127 * config/s390/tpf.h: Rewrite.
11129 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
11131 * doc/tm.texi: Remove @xref{Cross-profiling}.
11133 2005-07-13 Jeff Law <law@redhat.com>
11135 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
11136 expressions, test their _DECL operands for pointer equality rather
11137 than using operand_equal_p.
11139 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
11141 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
11142 (TARGET_POSIX_IO): This.
11143 * config/darwin.h: Likewise.
11144 * config/freebsd.h: Likewise.
11145 * config/linux.h: Likewise.
11146 * config/lynx.h: Likewise.
11147 * config/netbsd.h: Likewise.
11148 * config/rs6000/linux64.h: Likewise.
11149 * config/rs6000/linux.h: Likewise.
11150 * config/s390/tpf.h: Likewise.
11151 * config/sh/embed-elf.h: Likewise.
11152 * config/sparc/linux64.h: Likewise.
11153 * config/sparc/linux.h: Likewise.
11154 * config/svr4.h: Likewise.
11155 * gcov-io.h: Likewise.
11157 * doc/tm.texi: Updated.
11159 * libgcov.c (create_file_directory): Defined only if
11160 TARGET_POSIX_IO is defined.
11161 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
11164 2005-07-13 Jan Hubicka <jh@suse.cz>
11166 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
11168 2005-07-13 David Edelsohn <edelsohn@gnu.org>
11170 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
11171 structure as argument.
11173 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
11175 PR tree-optimization/21921
11176 * tree-iterator.c (tsi_link_before): Support the case when
11177 tsi_end_p (tsi) == true.
11179 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11181 PR tree-optimization/22442
11182 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
11185 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11187 PR rtl-optimization/20376
11188 * toplev.c (process_options): Enable -fweb and -frename-registers when
11190 * doc/invoke.texi: Update the information about when -fweb and
11191 -frename-registers are enabled.
11193 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11196 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
11197 if *rhs_p is not a SSA_NAME.
11199 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
11201 Fix PR tree-optimization/22422
11202 * tree-ssa-structalias.c (struct variable_info): Add flag for
11204 (get_varinfo): Now a static function.
11205 (new_varinfo): init has_union and is_special_var to false.
11206 (solution_set_add): Check has_union.
11207 (do_da_constraint): Move temporary variable so it gets reset
11209 Also check for special variable.
11210 (do_ds_constraint): Ditto.
11211 (do_sd_constraint): Ditto.
11212 (do_structure_copy): Check for special variable.
11213 (find_func_aliases): Ditto.
11214 (init_base_vars): Set special vars properly.
11216 2005-07-13 Jan Hubicka <jh@suse.cz>
11218 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
11221 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
11222 (get_expr_operands): Fix thinko wrt flags and subvars.
11224 PR tree-optimize/22379
11225 * tree-inline.c (expand_call_inline): Do not output sorry in early
11228 2005-07-12 Dale Johannesen <dalej@apple.com>
11230 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
11232 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11235 * host-linux.h: Include limits.h.
11237 2005-07-12 Dale Johannesen <dalej@apple.com>
11239 * expr.c (compress_float_constant): Add cost check.
11240 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
11242 2005-07-12 Dale Johannesen <dalej@apple.com>
11244 * gcc.target/i386/compress-float-sse.c: New.
11245 * gcc.target/i386/compress-float-sse-pic.c: New.
11246 * gcc.target/i386/compress-float-387.c: New.
11247 * gcc.target/i386/compress-float-387-pic.c: New.
11248 * gcc.dg/compress-float-ppc.c: New.
11249 * gcc.dg/compress-float-ppc-pic.c: New.
11251 2005-07-12 Eric Christopher <echristo@redhat.com>
11253 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11254 static extra parts.
11255 * config/s390/s390.md: Include tpf.md. Move tpf specific
11257 * config/s390/tpf.md: To here.
11258 * config/s390/s390.opt: Move tpf specific options...
11259 * config/s390/tpf.opt: to here. Add mmain option.
11260 * config/s390/tpf-unwind.h: Remove unnecessary defines.
11261 * config/s390/tpf.h: Rewrite.
11263 2005-07-12 Eric Christopher <echristo@redhat.com>
11265 * gcc.c (struct infile): Update comment for language.
11266 (main): Rewrite input file resetting code.
11268 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
11271 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
11272 requiring a cast in a non RHS of modify_expr. Add a cast when required.
11273 (lookup_avail_expr): Use constant_boolean_node instead
11274 of boolean_false_node/boolean_true_node.
11276 2005-07-12 Ben Elliston <bje@au.ibm.com>
11278 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
11279 and use it when printing num_edges.
11281 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
11283 * doc/extend.texi (Blackfin Built-in Functions): New section.
11284 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
11287 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
11289 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
11290 s/cmpstrsi/cmpstrnsi
11291 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
11293 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
11294 (init_optabs): Initialize cmpstrn_optab.
11295 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
11296 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
11297 * expr.c: (enum insn_code cmpstrn_optab): Declare.
11298 * config/i386/i386.md: s/cmpstr/cmpstrn
11299 * config/c4x/c4x.md: s/cmpstr/cmpstrn
11300 * doc/md.texi: Update documentation.
11302 2005-07-11 Richard Henderson <rth@redhat.com>
11304 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
11305 build_va_arg_indirect_ref.
11306 (alpha_gimplify_va_arg): Likewise.
11307 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
11308 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11309 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
11310 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
11311 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11312 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
11314 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11316 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
11318 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
11319 * passes.c (init_optimization_passes): Add pass_empty_loop.
11320 * tree-pass.h (pass_empty_loop): Declare.
11321 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
11322 try_remove_empty_loop, remove_empty_loops): New functions.
11323 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
11324 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
11326 2005-07-12 Peter Barada <peter@the-baradas.com>
11328 PR middle-end/16719
11329 PR middle-end/18421
11330 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
11331 in address registers.
11332 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
11333 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
11334 alternative of addsi3_5200.
11336 2005-07-11 Ian Lance Taylor <ian@airs.com>
11338 * config/mips/mips.md (ffs<mode>2): Remove.
11340 2005-07-11 Ian Lance Taylor <ian@airs.com>
11342 * doc/tree-ssa.texi (Cleanups): Improve description of
11344 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
11346 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
11348 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
11349 * tree.h (DECL_ARGUMENT_FLD): New macro.
11351 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
11353 Fix PR tree-optimization/22404
11355 * tree-ssa-structalias.c (create_variable_info_for): Use
11358 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
11360 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
11361 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
11362 for second comparison operand.
11363 * config/bfin/predicates.md (reg_or_const_int_operand): New.
11365 * config/bfin/bfin.md (define_attr "type"): Add "sync".
11366 (define_insn_reservation "alu"): Likewise.
11367 (csync, ssync): Now of type sync.
11368 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
11369 -mcsync-anomaly -mspecld-anomaly.
11370 * config/bfin/bfin.opt (mcsync): Remove.
11371 (mcsync-anomaly, mspecld-anomaly): Add.
11372 * config/bfin/bfin.c: Include "insn-codes.h".
11373 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
11374 (TARGET_DEFAULT_TARGET_FLAGS): New.
11375 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
11377 2005-07-11 Steven Bosscher <stevenb@suse.de>
11379 * basic-block.h: Give the BB flags enum a name, bb_flags.
11380 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
11381 * cfgcleanup.c (enum bb_flags): Remove here.
11382 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
11383 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
11384 (update_forwarder_flag): Likewise.
11385 (thread_jump): Likewise.
11386 (try_forward_edges): Likewise.
11387 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
11388 forwarder flags. Don't clear bb->aux for all basic blocks. Only
11389 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
11391 2005-07-11 Richard Guenther <rguenther@suse.de>
11393 * config/i386/i386.opt: New target option -msseregparm.
11394 * config/i386/i386.c (override_options): Error out for
11395 -msseregparm but no SSE support.
11396 (ix86_function_sseregparm): Check for global sseregparm.
11397 * doc/invoke.texi: Document -msseregparm.
11399 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11401 * config.gcc (m32r-*-linux*): Use the default extra_parts.
11402 (m32rle-*-linux*): Ditto.
11404 2005-07-11 Jakub Jelinek <jakub@redhat.com>
11406 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
11407 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
11410 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11412 PR middle-end/22239
11414 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
11415 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
11417 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
11419 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
11420 (varmap): Heapify varmap.
11421 (constraints): Heapify constraints.
11422 (struct constraint_graph): Heapify succs and preds.
11423 (constraint_vec_find): Update for heapification.
11424 (constraint_set_union): Ditto.
11425 (insert_into_complex): Ditto.
11426 (constraint_edge_vec_find): Ditto.
11427 (erase_graph_self_edge): Ditto.
11428 (add_graph_edge): Ditto.
11429 (get_graph_weights): Ditto.
11430 (merge_graph_nodes): Ditto.
11431 (build_constraint_graph): Ditto.
11432 (topo_visit): Ditto.
11433 (solve_graph): Ditto.
11434 (create_variable_info_for): Ditto.
11435 (init_base_vars): Ditto.
11436 (delete_points_to_sets): Free graph, varmap, and complex constraints.
11437 (condese_varmap_nodes): Free complex vector.
11438 (clear_edges_for_node): Clear succs and preds vector.
11440 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
11442 * tree-ssa-structalias.c (update_alias_info): Change counting of
11443 references to not include vdefs.
11445 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
11447 * tree-ssa-alias.c (free_used_part_map): Add missing free.
11448 (up_insert): Ditto.
11450 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11452 * pa.c (pa_commutative_p): Make PLUS commutative when
11453 TARGET_NO_SPACE_REGS is true.
11455 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11457 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
11458 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
11459 * tree-dfa.c (dump_subvars_for): New.
11460 (debug_subvars_for): New.
11461 (dump_variable): Show subvariables if VAR has them.
11462 * tree-flow-inline.h (get_subvar_at): New.
11463 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
11464 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
11466 (struct subvar): Change fields offset and size to unsigned
11468 (dump_subvars_for): Declare.
11469 (debug_subvars_for): Declare.
11470 (get_subvar_at): Declare.
11471 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11472 to unsigned HOST_WIDE_INT *.
11473 (overlap_subvar): Likewise.
11474 * tree-gimple.c (is_gimple_reg): Always return false for
11475 SFTs and memory tags.
11476 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11477 Update all callers.
11478 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11479 (compute_may_aliases): Call compute_points_to_sets.
11480 (collect_points_to_info_for): Remove.
11481 (compute_points_to_and_addr_escape): Remove.
11482 (delete_alias_info): Call delete_points_to_sets.
11483 (compute_flow_sensitive_aliasing): If the call to
11484 find_what_p_points_to returns false, call set_pt_anything.
11485 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11486 (set_pt_anything): Clear pi->pt_vars.
11487 (set_pt_malloc): Remove.
11488 (merge_pointed_to_info): Remove.
11489 (add_pointed_to_expr): Remove.
11490 (add_pointed_to_var): Remove.
11491 (collect_points_to_info_r): Remove.
11492 (is_escape_site): Make extern.
11494 (create_overlap_variables_for): Call it.
11495 * tree-ssa-copy.c (merge_alias_info): Never merge
11496 flow-sensitive alias information.
11497 * tree-ssa-operands.c (get_expr_operands): Adjust variables
11498 offset and size to be unsigned HOST_WIDE_INT.
11499 (add_to_addressable_set): Rename from note_addressable.
11500 Set TREE_ADDRESSABLE as the variables are added to the set.
11502 (add_stmt_operand): Do not try to micro-optimize unmodifiable
11503 operands into VUSEs when adding V_MAY_DEFs for members in an
11505 * tree-ssa-operands.h (add_to_addressable_set): Declare.
11506 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11507 (struct variable_info): Add bitfield is_heap_var.
11508 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11509 (new_var_info): Initialize is_heap_var.
11510 (get_constraint_for): Add HEAP variables to the symbol table.
11511 Mark them with is_heap_var.
11512 (update_alias_info): New. Taken mostly from the old
11513 compute_points_to_and_addr_escape.
11514 (handle_ptr_arith): New.
11515 (find_func_aliases): Call update_alias_info.
11516 Call handle_ptr_info for tcc_binary expressions.
11517 Call mark_stmt_modified.
11518 (create_variable_info_for): If DECL has subvars, do not create
11519 variables for its subvars. Always add all the fields.
11520 (set_uids_in_ptset): If the solution includes ANYOFFSET and
11521 SFTs, then add all the SFTs of the structure.
11522 If VI->DECL is an aggregate with subvariables, add the SFT at
11524 (find_what_p_points_to): If VI is an artificial variable,
11525 translate to bitfields in SSA_NAME_PTR_INFO.
11526 If the solution is empty, set pi->pt_vars to NULL
11527 (init_base_vars): Create ANYOFFSET.
11528 (compute_points_to_sets): Rename from create_alias_vars.
11530 (pass_build_pta): Remove.
11531 (delete_points_to_sets): Rename from delete_alias_vars.
11532 (pass_del_pta): Remove.
11533 * tree-ssa-structalias.h (struct alias_info): Move from
11535 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11536 NUM_REFERENCES_SET): Likewise.
11537 (compute_points_to_sets, delete_points_to_sets): Declare.
11539 2005-07-09 Richard Henderson <rth@redhat.com>
11541 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11542 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11543 alpha_split_lock_test_and_set_12): New functions.
11544 * config/alpha/alpha-protos.h: Update.
11545 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11546 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11547 * config/alpha/sync.md (I12MODE): New.
11548 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11549 (sync_<fetchop_name><I48MODE>): Likewise.
11550 (sync_nand<I48MODE>): Likewise.
11551 (sync_old_<fetchop_name><I48MODE>): Likewise.
11552 (sync_new_<fetchop_name><I48MODE>): Likewise.
11553 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11554 (sync_compare_and_swap<I48MODE>): Likewise.
11555 (sync_lock_test_and_set<I48MODE>): Likewise.
11556 (sync_compare_and_swap<I12MODE>): New.
11557 (sync_compare_and_swap<I12MODE>_1): New.
11558 (sync_lock_test_and_set<I12MODE>): New.
11559 (sync_lock_test_and_set<I12MODE>_1): New.
11561 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11565 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11567 2005-07-09 Jakub Jelinek <jakub@redhat.com>
11569 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11570 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11572 2005-07-09 Richard SAndiford <richard@codesourcery.com>
11575 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11577 2005-07-08 David Edelsohn <edelsohn@gnu.org>
11579 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11580 memory_operand constraint.
11581 (store_conditional_<mode>): Same.
11582 (sync_compare_and_swap<mode>): Same.
11583 (sync_lock_test_and_set<mode>): Same.
11585 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
11587 Rewrite PIC support to more closely model actual instructions.
11588 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11589 (cris_symbol): Remove prototypes for removed functions.
11590 (cris_pic_symbol_type_of, cris_valid_pic_const)
11591 (cris_expand_pic_call_address): Prototypes for new functions.
11592 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11594 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11596 <case ':'>: Add case for new punctuation character.
11597 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11598 emitting (extra) PIC modifier.
11599 <case UNSPEC>: Do not assert for PLT.
11600 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11601 (cris_expand_prologue, cris_expand_epilogue): Check
11602 for pic_offset_table_rtx usage instead of taking
11603 current_function_uses_pic_offset_table as the final word.
11604 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11605 Remove flag_pic difference.
11606 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11607 the moral equivalents of...
11608 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11610 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11611 (cris_handle_option): Mark ARG as unused.
11612 (cris_expand_pic_call_address): New worker function for "call",
11614 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11615 output PIC constructs here.
11616 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11617 as symbol-specific modifers, not whole or part of operands.
11618 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11619 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11620 constants and flag_pic.
11621 (CONSTANT_INDEX_P): Adjust for new functions.
11622 (enum cris_pic_symbol_type): New helper type.
11623 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11624 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11625 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11627 ("movsi"): Emit actual instructions for GOT and relative access.
11628 ("*movsi_got_load"): New pattern to set up the register holding
11630 ("*movsi_internal"): Operand 1 is not a plain general_operand.
11631 Adjust FIXME for 'S'.
11632 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11633 Use "movs" for -fpic cases.
11634 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11635 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11636 ("call", "call_value"): Just call cris_expand_pic_call_address for
11638 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11639 Remove special pattern.
11640 ("*expanded_call_side", "*expanded_call_value_side"): New
11642 (gotplt-to-plt, gotplt-to-plt-side-call)
11643 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11645 * config/cris/cris/predicates.md
11646 ("cris_general_operand_or_gotless_symbol"): Remove unused
11648 ("cris_general_operand_or_symbol"): Adjust for new functions.
11650 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11652 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11654 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
11656 * Makefile.in (TREE_H): Add treestruct.def.
11657 (c-decl.o): Add pointer-set.h
11658 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11659 visibility on regular DECL's.
11660 (merge_decls): Fix the copying of decl nodes of various types for
11661 the new structures. Don't update RTL, section name, weak status,
11662 etc, on DECL's without RTL.
11663 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11664 Don't check volatile on non-variable types.
11665 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11666 to check whether we have seen arguments.
11667 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11668 flag is checked before field (flag is common, field is not).
11669 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
11670 TS_DECL_COMMON could have an origin.
11671 (add_location_or_const_value_attribute): Don't check section name
11672 on non-var/function decls.
11673 (dwarf2out_var_location): Reverse order of tests.
11674 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11675 with DECL_WRTL_CHECK.
11676 * expmed.c (make_tree): rtl is now in decl_with_rtl.
11677 * fold-const.c (fold_binary): Don't check weakness on
11678 non-var/function decls.
11679 (tree_expr_nonzero_p): Ditto.
11680 (fold_checksum_tree): Use tree_decl_extra as sizeof
11682 * ggc-page.c (extra_order_size_table): Add sizes for
11683 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
11685 * gimplify.c (gimplify_bind_expr): Only set
11686 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11687 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11689 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11690 * langhooks.h (init_ts). New langhook.
11691 * passes.c (rest_of_decl_compilation): Reverse order of tests.
11692 * print-tree.c (print_node): Update to only print fields that
11693 exist in the structures the passed decl has.
11694 * toplev.c (wrapup_global_declarations): Don't reset
11695 DECL_DEFER_OUTPUT on DECL's that don't contain it.
11696 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11697 * tree-inline.c (remap_decl): Ditto.
11698 * tree-outof-ssa.c (create_temp): Reverse order of tests.
11699 * tree-pretty-print.c (print_declaration): Don't print
11700 DECL_REGISTER on things that don't contain it.
11701 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11702 non-var/function decls.
11703 * tree.c (tree_contains_struct): New structure.
11704 (init_priority_for_decl): New hashtable.
11705 (tree_int_map): New structure.
11706 (tree_int_map_eq): New function.
11707 (tree_int_map_marked_p): Ditto.
11708 (tree_int_map_hash): Ditto.
11709 (tree_map): Move to tree.h.
11710 (tree_map_eq): Externalize.
11711 (tree_map_hash): Ditto.
11712 (tree_map_marked_p): Ditto.
11713 (init_ttree): Set up tree_contains_struct and call langhook.
11714 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11715 (tree_code_size): Update for new structures.
11716 (tree_node_structure): Update for new structures.
11717 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11719 (copy_node_stat): Copy init priority.
11720 (build_decl_stat): Ditto for visibility.
11721 (ts_enum_names): New.
11722 (tree_contains_struct_check_failed): New function.
11723 (decl_init_priority_lookup): Ditto.
11724 (decl_init_priority_insert): Ditto.
11725 * treestruct.def: New file.
11726 * tree.h (CODE_CONTAINS_STRUCT): New macro.
11727 (CONTAINS_STRUCT_CHECK): Ditto.
11728 (tree_contains_struct_check_failed): New prototype.
11729 (DECL_CHECK): Removed.
11730 (DECL_MINIMAL_CHECK): New.
11731 (DECL_COMMON_CHECK): Ditto.
11732 (DECL_WRTL_CHECK): Ditto.
11733 (DECL_NON_COMMON_CHECK): Ditto.
11734 (DECL_WITH_VIS_CHECK): Ditto.
11735 (VAR_OR_FUNCTION_DECL_P): Ditto
11736 (struct tree_decl_minimal): New structure.
11737 (struct tree_decl_common): Ditto.
11738 (struct tree_decl_with_rtl): Ditto.
11739 (struct tree_decl_with_vis): Ditto.
11740 (struct tree_decl_non_common): Ditto.
11741 (struct tree_field_decl): Ditto.
11742 (struct tree_parm_decl): Ditto.
11743 (struct tree_var_decl): Ditto.
11744 (struct tree_function_decl): Ditto.
11745 (struct tree_const_decl): Ditto.
11746 (struct tree_result_decl): Ditto.
11747 (union tree_node): Add new structures.
11748 * var-tracking.c (track_expr_p): Reverse order of tests.
11750 * doc/c-tree.texi: Add documentation on DECL node internal structure.
11752 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11754 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11755 * system.h: Poison FINALIZE_PIC.
11756 * doc/tm.texi (FINALIZE_PIC): Remove.
11758 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11761 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11762 to the correct type if we have a MODIFY_EXPR.
11764 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11766 PR tree-optimization/22360
11767 * tree.c (upper_bound_in_type): Fix calculations for casting
11768 to a non-wider signed type and casting a signed value to a
11769 wider unsigned type.
11770 (lower_bound_in_type): Fix calculations for casting to a
11771 non-wider signed type.
11773 PR tree-optimization/20139
11774 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11776 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11777 fold_cond_expr_cond.
11778 * tree-ssanames.c (release_defs): Assert in_ssa_p.
11779 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11781 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11784 * tree-complex.c (expand_complex_libcall): Produce
11785 REALPART_EXPR/IMAGPART_EXPR with the correct type.
11787 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
11789 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11790 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11791 b" assert and inserted fastpath code for this case.
11792 (bitmap_ior): Removed "a != b" assert.
11794 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11796 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11797 (ENDFILE_SPEC): Likewise.
11798 * config/m32r/m32r.h (ASM_SPEC): Likewise.
11800 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11801 a large stack frame at epilogue.
11803 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
11805 * final.c: Include sdbout.h when required.
11807 2005-07-07 Geoffrey Keating <geoffk@apple.com>
11809 * config.gcc (*-*-darwin*): Only one target-specific header file
11810 for generic darwin.
11811 (powerpc-*-darwin*): Add version-specific header files.
11812 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11813 * config.in: Regenerate.
11814 * configure: Regenerate.
11815 * gcc.c: Include xregex.h.
11816 (version_compare_spec_function): New.
11817 (spec_function): Add version-compare.
11818 (replace_outfile_spec_function): Reformat comment.
11819 (compare_version_strings): New.
11820 * config/darwin-c.c (version_as_macro): New.
11821 (builtin_define): New.
11822 (darwin_cpp_builtins): New.
11823 * config/darwin-protos.h (darwin_cpp_builtins): New.
11824 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11825 (LIB_SPEC): Make unconditional, update comment.
11826 (TARGET_C99_FUNCTIONS): Define.
11827 * config/darwin.opt: Sort.
11828 (mmacosx-version-min=): New.
11829 * config/darwin7.h: Delete.
11830 * config/darwin8.h: Delete.
11831 * config/i386/darwin.h (): Call darwin_cpp_builtins.
11832 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11833 (TARGET_C99_FUNCTIONS): Define.
11834 * config/rs6000/darwin7.h: New.
11835 * config/rs6000/darwin8.h: New.
11836 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11837 (-mmacosx-version-min): Document.
11839 2005-07-07 Ian Lance Taylor <ian@airs.com>
11841 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11843 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
11845 PR middle-end/22239
11846 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11848 2005-07-07 Khem Raj <kraj@mvista.com>
11850 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11851 in bytes, not words.
11853 2005-07-07 Paul Brook <paul@codesourcery.com>
11855 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11856 DEFAULT_FUNCTION_ARG_PADDING to upward.
11858 2005-07-07 Richard Henderson <rth@redhat.com>
11860 * function.c (locate_and_pad_parm): Record parameter alignment in
11861 stack_alignment_needed.
11863 2005-07-07 David Edelsohn <edelsohn@gnu.org>
11865 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11866 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11867 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11868 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11869 (define_attr "type"): Add isync, sync, load_l, store_c.
11870 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11871 Create scratch volatile MEM.
11872 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
11874 (load_locked_<mode>): New.
11875 (store_conditional_<mode>): New.
11876 (sync_compare_and_swap<mode>): Replace with splitter.
11877 (sync_lock_test_and_set<mode>): Replace with splitter.
11878 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11880 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
11881 is ics. Attribute isync.
11882 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
11884 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11885 and UNSPECV_SYNC_OP.
11886 (emit_unlikely_jump): New.
11887 (emit_load_locked): New.
11888 (emit_store_conditional): New.
11889 (rs6000_split_compare_and_swap): New.
11890 (rs6000_split_lock_test_and_set): New.
11891 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11892 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11893 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11894 rs6000_split_lock_test_and_set): Declare.
11895 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11896 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11897 store_c, isync, sync.
11899 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
11901 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11902 filenames to gtyp-gen.h.
11903 (s-typ-gen): Use it in place of for loops.
11905 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
11907 * hooks.c (hook_bool_rtx_int_false): New function.
11908 * hooks.h (hook_bool_rtx_int_false): Declare.
11909 * target-def.h (TARGET_COMMUTATIVE_P): Define.
11910 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11911 * target.h (struct gcc_target): Add commutative_p member.
11912 * targhooks.c (hook_bool_rtx_commutative_p): New function.
11913 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11914 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11915 (pa_commutative_p): New function.
11916 * jump.c (target.h): Include.
11917 (rtx_renumbered_equal_p): Use targetm.commutative_p.
11918 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11920 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11922 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11923 (s390_expand_setmem): New.
11924 * config/s390/s390.c: Likewise.
11925 (print_shift_count_operand): Truncate to 12 bits instead of 6.
11927 * config/s390/s390.md: ("setmem<mode>"): Accept character as
11928 general_operand. Call new function "s390_expand_setmem".
11929 ("clrmem_long", "*clrmem_long"): Rewrite to ...
11930 ("setmem_long", "*setmem_long"): ... this.
11932 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11934 * config/s390/s390.c: (optimization_options): Enable
11935 TARGET_MVCLE at -Os.
11936 * doc/invoke.texi: Document changes in default behaviour.
11937 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11939 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11941 * expr.c: (set_storage_via_setmem): Convert opchar to mode
11942 defined by back-end.
11944 2005-07-07 Jakub Jelinek <jakub@redhat.com>
11946 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11947 all sets in the pattern.
11948 * config/rs6000/rs6000.md (stack_protect_testsi,
11949 stack_protect_testdi): Likewise.
11951 2005-07-06 Jeff Law <law@redhat.com>
11953 * tree-vrp.c (simplify_using_ranges): Kill.
11954 (vrp_finalize): Remove call to simplify_using_ranges.
11955 (simplify_stmt_using_ranges): New function extracted from
11956 simplify_using_ranges.
11957 (simplify_div_or_mod_using_ranges): Likewise.
11958 (simplify_abs_using_ranges): Likewise.
11959 (simplify_cond_using_ranges): New function.
11960 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11961 * tree-ssa-propagate.c (substitute_and_fold): Call
11962 simplify_stmt_using_ranges if we have range information.
11964 2005-07-06 James E. Wilson <wilson@specifixinc.com>
11966 * config/ia64/ia64.c (ia64_reorg): Check optimize before
11967 ia64_flag_schedule_isns2.
11969 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11970 reading/writing general registers.
11971 (ia64_function_arg): Revert 2005-06-18 change.
11973 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
11975 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11976 (legitimize_tls_address): Use gcc_unreachable instead of abort.
11978 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
11980 * function.c (expand_function_end): Revert part of 2005-06-27
11981 patch. Do sjlj_emit_function_exit_after after return_label.
11983 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
11985 * doc/install.texi (--disable-libssp): New.
11987 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
11989 * doc/invoke.texi: Update -fforce-mem documentation.
11990 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11991 code for -fforce-mem.
11992 * expmed.c: (store_bit_field,store_fixed_bit_field,
11993 extract_bit_field): Ditto.
11994 * expr.c: (convert_move): Ditto.
11995 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11996 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11997 emit_conditional_add,expand_float,expand_fix): Ditto.
11998 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11999 (common_handle_option): Issue warning when -fforce-mem specified.
12001 2005-07-06 Paul Brook <paul@codesourcery.com>
12003 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
12005 * configure: Regenerate.
12007 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
12009 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
12011 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
12013 Fix PR tree-optimization/22319
12014 Fix PR tree-optimization/22140
12015 Fix PR tree-optimization/22310
12017 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
12018 variable sized types.
12019 Use correct type for intermediate structure on *a = *b structure
12022 2005-07-06 Jakub Jelinek <jakub@redhat.com>
12024 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
12026 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
12027 (machine_function): Move typedef to...
12028 * config/rs6000/rs6000.c (machine_function): ... here. Add
12029 varargs_save_offset field.
12030 (rs6000_stack_t): Remove varargs_size field.
12031 (setup_incoming_varargs): Allocate varargs save area using
12032 assign_stack_local, try to make it as small as possible.
12033 Save offset from virtual_stack_vars_rtx to the save area
12034 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
12035 instead of magic 8 when fp word byte size is used.
12036 (rs6000_va_start): Use cfun->machine->varargs_save_offset
12037 instead of -RS6000_VARARGS_SIZE.
12038 (rs6000_stack_info, debug_stack_info,
12039 rs6000_initial_elimination_offset): Remove all traces of
12041 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
12042 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
12043 RS6000_VARARGS_AREA.
12045 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
12047 PR tree-optimization/21963
12048 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
12049 constant_multiple_of in the same way get_computation_cost_at does.
12051 2005-07-06 Jakub Jelinek <jakub@redhat.com>
12053 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
12054 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
12055 (gen_compare_reg): If sparc_compare_emitted is set, clear it
12056 and return its previous value.
12057 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
12058 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
12060 (stack_protect_set, stack_protect_test): New expanders.
12061 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
12062 stack_protect_testdi): New insns.
12063 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12064 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
12066 2005-07-06 Jeff Law <law@redhat.com>
12068 * tree-ssa-dce.c (cfg_altered): New global.
12069 (tree_dce_init): Initialize cfg_altered.
12070 (remove_dead_stmt): If we remove an edge in the CFG, then set
12072 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
12075 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
12077 * Makefile.in (stamp-collect-ld): Use
12078 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
12079 ./collect-ld if it already exists.
12080 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
12081 Don't remove ./nm if it already exists.
12083 2005-07-05 Devang Patel <dpatel@apple.com>
12085 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
12086 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
12087 * tree-vectorizer.c (vect_loop_location): New.
12088 (vect_print_dump_info): Use vect_loop_location.
12089 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
12090 (vectorize_loops): Set vect_loop_location.
12091 * tree-vect-analyze.c (vect_analyze_offset_expr,
12092 vect_determin_vectorization_factor, vect_analyze_operations,
12093 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
12094 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
12095 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
12096 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
12097 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
12098 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
12099 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
12100 vect_analyze_loop): Adjust vect_print_dump_info API.
12101 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12102 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
12103 vect_finish_stmt_generation, vectorizable_assignment,
12104 vectorizable_operation, vectorizable_store, vectorizable_load,
12105 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
12106 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
12107 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
12108 vect_transform_loop): Same.
12109 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
12110 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
12113 2005-07-05 Randolph Chung <tausq@debian.org>
12115 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
12116 * configure: Regenerate.
12117 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
12118 (pa_tls_referenced_p): Declare.
12119 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
12120 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
12121 (legitimize_tls_address): New.
12122 (hppa_legitimize_address): Handle TLS addresses.
12123 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
12124 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
12125 (emit_move_sequence): Handle TLS addresses.
12126 (pa_encode_section_info): Call default handler to handle common
12128 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
12129 (CONSTANT_ADDRESS_P): Reject TLS operands.
12130 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
12131 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
12132 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
12133 (UNSPEC_TLSLE): Define new constants.
12134 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
12135 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
12136 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
12137 (tie_symbolic_operand, tle_symbolic_operand): New
12139 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
12141 * aclocal.m4: Update macros for autoconf 2.59 style.
12142 * configure.ac: Likewise.
12144 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12146 * pa.c (function_value): Handle small aggregates on 32-bit targets.
12147 (function_arg): Pass small aggregates in general registers on 32-bit
12149 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
12151 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
12153 * Makefile.in (final.o): Fix dependencies.
12155 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
12159 * langhooks.h (struct lang_hooks): Add expr_to_decl.
12160 * langhooks.c (lhd_expr_to_decl): New.
12161 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
12163 (LANG_HOOKS_INITIALIZER): Update.
12164 * tree.c (recompute_tree_invarant_for_addr_expr): Call
12165 expr_to_decl langhook.
12166 * c-tree.h (c_expr_to_decl): Declare.
12167 * c-typeck.c (c_expr_to_decl): New.
12168 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
12170 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
12172 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
12175 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
12176 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
12178 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
12180 * Makefile.in: Adjust dependencies.
12181 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
12182 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
12183 * alias.c (rest_of_handle_cfg, pass_cfg): New.
12184 * bb-reorder.c (duplicate_computed_gotos): Make it static.
12185 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
12186 rest_of_compilation.
12188 * bb-reorder.c (gate_duplicate_computed_gotos,
12189 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
12190 rest_of_handle_reorder_blocks, pass_reorder_blocks,
12191 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
12192 pass_partition_blocks): New.
12193 * bt-load.c (gate_handle_branch_target_load_optimize,
12194 rest_of_handle_branch_target_load_optimize,
12195 pass_branch_target_load_optimize): New.
12196 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
12198 * cfglayout.c (pass_insn_locators_initialize): New.
12199 * cfgrtl.c (pass_free_cfg): New.
12200 * combine.c (gate_handle_combine, rest_of_handle_combine,
12201 pass_combine): New.
12202 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
12203 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
12204 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
12205 * except.c (pass_set_nothrow_function_flags,
12206 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
12208 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
12209 rest_of_handle_shorten_branches, pass_shorten_branches,
12210 rest_of_clean_state, pass_clean_state): New.
12211 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
12212 rest_of_handle_remove_death_notes, pass_remove_death_notes,
12213 rest_of_handle_life, pass_life, rest_of_handle_flow2,
12215 * function.c (pass_instantiate_virtual_regs, pass_init_function,
12216 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
12217 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
12218 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
12220 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
12221 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
12222 pass_rtl_ifcvt, gate_handle_if_after_combine,
12223 rest_of_handle_if_after_combine, pass_if_after_combine,
12224 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
12225 pass_if_after_reload): New.
12226 * integrate.c (pass_initial_value_sets): New.
12227 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
12228 pass_purge_lineno_notes): New.
12229 * mode-switching.c (rest_of_handle_mode_switching,
12230 pass_mode_switching): New.
12231 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
12232 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
12234 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
12235 pass_loop_optimize): New.
12236 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
12238 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
12240 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
12241 pass_postreload_cse): New.
12242 * profile.c (gate_handle_profiling, pass_profiling,
12243 rest_of_handle_branch_prob, pass_branch_prob): New.
12244 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
12245 pass_split_before_regstack, gate_handle_split_before_regstack,
12246 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
12247 rest_of_handle_split_all_insns, pass_split_all_insns): New.
12248 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
12249 pass_stack_regs): New.
12250 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
12251 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
12252 pass_stack_adjustments): New.
12253 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
12254 pass_regrename): New.
12255 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
12256 pass_delay_slots, gate_handle_machine_reorg,
12257 rest_of_handle_machine_reorg, pass_machine_reorg): New.
12258 * rtl.h (extern void purge_line_number_notes): New.
12259 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
12260 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
12262 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
12264 * value-prof.c (gate_handle_value_profile_transformations,
12265 rest_of_handle_value_profile_transformations,
12266 pass_value_profile_transformations): New.
12267 * var-tracking.c (gate_handle_var_tracking,
12268 pass_variable_tracking): New.
12269 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
12271 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
12272 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
12273 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
12274 rest_of_handle_old_regalloc, rest_of_handle_regrename,
12275 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
12276 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
12277 rest_of_handle_gcse2, rest_of_handle_regmove,
12278 rest_of_handle_tracer, rest_of_handle_if_conversion,
12279 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
12280 rest_of_handle_web, rest_of_handle_branch_prob,
12281 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
12282 rest_of_handle_jump_bypass, rest_of_handle_combine,
12283 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12284 rest_of_handle_gcse, rest_of_handle_loop_optimize,
12285 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
12286 rest_of_handle_mode_switching, rest_of_handle_jump,
12287 rest_of_handle_eh, rest_of_handle_stack_adjustments,
12288 rest_of_handle_flow2, rest_of_handle_jump2,
12289 rest_of_handle_peephole2, rest_of_handle_postreload,
12290 rest_of_handle_shorten_branches, rest_of_clean_state,
12291 rest_of_compilation): Remove.
12293 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
12294 * passes.c (dump_flags, in_gimple_form, all_passes,
12295 all_ipa_passes, all_lowering_passes, register_one_dump_file,
12296 register_dump_files, next_pass_1, last_verified, execute_todo,
12297 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
12298 from tree-optimize.c.
12299 (init_optimization_passes): Moved from tree-optimize.c,
12300 adding the RTL optimizations.
12301 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
12302 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
12303 all_ipa_passes, all_lowering_passes, register_one_dump_file,
12304 register_dump_files, next_pass_1, last_verified, execute_todo,
12305 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
12306 init_tree_optimization_passes, ipa_passes): Delete.
12307 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
12309 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
12310 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
12312 (ipa_passes): Remove.
12313 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
12314 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
12315 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
12316 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
12317 (dump_info_p, dump_flag): Moved to tree-dump.h.
12319 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
12321 * passes.c (finish_optimization_passes): Use dump_begin
12322 and dump_end, TDI_end.
12323 (gate_rest_of_compilation): New.
12324 (pass_rest_of_compilation): Use it.
12325 (gate_postreload, pass_postreload): New.
12326 * toplev.c (general_init): Rename init_tree_optimization_passes.
12327 * toplev.h (init_tree_optimization_passes): Rename to
12328 init_optimizations_passes.
12329 * tree-dump.c (dump_flag): Make static.
12330 (dump_files): Remove RTL dumps.
12331 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
12332 pass_cleanup_cfg, pass_free_cfg_annotations,
12333 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
12334 pass_init_datastructures, pass_fixup_cfg): Make non-static.
12335 * tree-pretty-print.c: Include tree-pass.h.
12336 * cgraph.c: Include tree-dump.h.
12338 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
12340 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
12341 Only fall back to saying it points to readonly memory if
12342 we can't do better.
12344 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
12346 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
12347 * config/m32r/m32r.c (m32r_compute_frame_size,
12348 m32r_expand_prologue): Take current_function_profile into
12349 account whenever we reference
12350 current_function_uses_pic_offset_table.
12351 (m32r_finalize_pic): Remove.
12352 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
12354 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
12356 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
12357 instead of $<. Don't remove ./as if it already exists.
12359 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12362 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
12363 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
12364 for complex modes when generating code for PA 1.0.
12365 (VALID_FP_MODE_P): New macro.
12366 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
12367 sets for all general and floating point modes. Align wide floating
12368 point modes to even register boundaries to comply with architectural
12370 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
12371 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
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
12378 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12380 * tree-dump.c (dump_files): Initialize dump number for .cgraph
12383 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12385 * tree-ssa-structalias.c: Don't include expr.h.
12387 2005-07-04 Diego Novillo <dnovillo@redhat.com>
12389 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
12392 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
12394 Fix PR tree-optimization/22279
12396 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
12399 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
12401 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
12403 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
12405 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
12406 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
12407 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
12408 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
12409 config/stormy16/stormy16.c, config/v850/v850.c,
12410 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
12411 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
12412 Avoid "." or "\n" at end of diagnostics and capital letters at
12413 start of diagnostics.
12414 * combine.c, cse.c: Don't translate dump file output.
12415 * toplev.c (print_version): Only translate output if going to
12418 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
12420 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
12421 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
12424 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12426 * pa.c (fix_range): Fix typo in comment.
12428 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
12430 * tree-vrp.c (extract_range_from_assert): Replace
12431 fold (build (...)) with fold_build2.
12433 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12435 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
12436 gcc_gfc_char_table, init_dynamic_gfc_info): New.
12437 (format_types_orig, handle_format_attribute): Add support for
12440 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
12442 * varasm.c (assemble_variable): Fix format specifier thinko.
12444 2005-07-03 Ira Rosen <irar@il.ibm.com>
12446 PR tree-optimization/22029 (and 22135)
12447 * tree-pretty-print.c (dump_generic_node): Check that the node is not
12448 a phi node before calling dump_vops.
12450 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
12452 * tree-dump.h (dump_string_field): Declare.
12453 * tree-dump.c: Use it instead of dump_string.
12454 (dump_string_field): Make non-static.
12456 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
12458 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
12459 up the minimal CFG stuff always when optimize > 0. Call
12460 split_all_insns_noflow in PIC case if needed.
12462 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
12463 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
12466 * c-decl.c (c_write_global_declarations): Dump contents of
12468 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12469 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12470 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12471 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12474 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
12476 * c-common.h (GCC_DIAG_STYLE): Define.
12477 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
12478 version for format checking to 4.1.
12479 * c-format.c: Include toplev.h after c-common.h.
12480 (enum format_type): Add gcc_tdiag_format_type.
12481 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12482 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12483 (format_types_orig): Add gcc_tdiag.
12484 (init_dynamic_diag_info): Support gcc_tdiag formats.
12485 (handle_format_attribute): Likewise.
12486 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12487 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
12488 version for format checking to 4.1.
12489 (warning0, warning, error, pedwarn, sorry): Use
12490 ATTRIBUTE_GCC_DIAG.
12491 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12492 (finish_aliases_1): Do not use %qE.
12493 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12494 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12495 Correct format bugs.
12496 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12497 parameter to unsigned HOST_WIDE_INT.
12498 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12500 2005-07-02 David Edelsohn <edelsohn@gnu.org>
12502 PR middle-end/21742
12503 * expr.c (write_complex_part): Use adjust_address for MEM.
12504 (read_complex_part): Same.
12506 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
12508 Fix PR tree-optimization/22280
12510 * tree-sra.c (generate_element_init): Remove useless loop.
12512 2005-07-02 Richard Henderson <rth@redhat.com>
12514 * config/alpha/alpha.c (alpha_legitimize_address): Check for
12516 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12518 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
12520 PR middle-end/14490
12521 * fold-const.c (fold_binary): Handle the return value of
12522 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12523 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12525 2005-07-02 Jeff Law <law@redhat.com>
12527 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12528 a eliminate type conversion which feeds an equality comparison
12529 if the original type or either operand in the comparison is a
12532 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
12534 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12535 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12537 * config/avr/avr.c: Do not use '`' as left quote.
12538 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12539 Remove "." from end of diagnostics. Make diagnostics start with
12542 2005-07-02 Zack Weinberg <zack@codesourcery.com>
12543 Joseph S. Myers <joseph@codesourcery.com>
12545 * toplev.c (default_tree_printer): Handle setting location with
12547 * c-objc.common.c (c_tree_printer): Likewise.
12548 * c-format.c (gcc_diag_flag_specs): Add '+'.
12549 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12550 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12552 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12553 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12554 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12555 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12556 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12557 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
12558 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
12559 format arguments where %J is used without %D.
12561 2005-07-02 Jakub Jelinek <jakub@redhat.com>
12563 * gcc.c (LINK_SSP_SPEC): Define.
12564 (link_ssp_spec): New variable.
12565 (LINK_COMMAND_SPEC): Add %(link_ssp).
12566 (static_specs): Add link_ssp_spec.
12567 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12568 * configure: Rebuilt.
12569 * config.in: Rebuilt.
12571 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12572 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12573 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12574 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12575 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12576 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12577 -0x7008(2) instead of reading __stack_chk_guard variable.
12578 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12580 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12581 (stack_protect_set, stack_protect_test): Use *_tls* patterns
12582 if TARGET_THREAD_SSP_OFFSET is defined.
12583 (stack_tls_protect_set_si, stack_tls_protect_set_di,
12584 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12587 2005-06-27 Richard Henderson <rth@redhat.com>
12588 * libgcc-std.ver (GCC_4.1.0): New.
12589 * libgcc.h (__stack_chk_guard): Declare.
12590 (__stack_chk_fail, __stack_chk_fail_local): Declare.
12591 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12592 * mklibgcc.in (lib2funcs): Add them.
12594 2005-07-01 Richard Henderson <rth@redhat.com>
12596 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12597 void * before struct sigcontext *.
12598 (x86_fallback_frame_state): Likewise.
12600 2005-07-01 James E. Wilson <wilson@specifixinc.com>
12602 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12604 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12607 * tree-ssa-reassoc.c (should_transpose): Fix which operand
12608 we check for SSA_NAME for.
12610 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
12612 Fix PR tree-optimization/22071
12614 * tree-ssa-structalias.c (offset_overlaps_with_access): New
12616 (get_constraint_for_component_ref): Use it.
12618 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12621 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12622 print out the last new line.
12624 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
12626 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12627 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12628 * config/cris/cris.c (cris_conditional_register_usage): Adjust
12629 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12630 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12631 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12632 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12633 (enum reg_class): New member CC0_REGS.
12634 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12635 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12636 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12637 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12638 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12639 Adjust for register now described.
12641 2005-07-01 Jakub Jelinek <jakub@redhat.com>
12644 * config/i386/i386.md (stack_protect_test_si,
12645 stack_protect_test_di): Add earlyclobber for scratch 3.
12646 * config/rs6000/rs6000.md (stack_protect_testsi,
12647 stack_protect_testdi): Add earlyclobber for scratch 3,
12648 remove earlyclobber from scratch 4.
12650 Older entries for 2005 can be found in ChangeLog-2005.