1 2008-05-08 Vladimir Makarov <vmakarov@redhat.com>
3 * ira-int.h (loop_tree_node): New members subloops and
6 * ira-conflicts.c (propagate_modified_regnos): Check that it is a
8 (ira_build_conflicts): Use TRUE for traverse_loop_tree.
10 * ira-color.c (color_pass): Check that it is a
11 loop node. Use subloops and subloop_next for traversing.
12 (move_spill_restore): Ditto.
13 (coalesced_pseudo_reg_freq_compare,
14 coalesced_pseudo_reg_slot_compare, pseudo_reg_compare): Don't
17 * ira-lives.c (create_allocno_live_ranges): Use TRUE for
20 * ira-emit.c (ira_emit): Ditto.
22 * ira-build.c (add_loop_to_tree): Set up subloops and
24 (setup_loop_tree_level): Use subloops and subloop_next for
26 (form_loop_tree): Initialize subloops and subloop_next.
27 (traverse_loop_tree): Change 1st parameter semantics. Rewrite the
29 (create_loop_tree_node_caps): Check that it is a loop node.
30 (check_and_add_conflicts): Check allocno loop nodes.
31 (add_conflict_with_underlying_allocnos): Use subloops and
32 subloop_next for traversing.
34 * ira.c (chain_freq_compare, chain_bb_compare): Don't discard
36 (ira): Call regstat functions second time only if new pseudos are
39 * ira-costs.c (find_allocno_class_costs): Use TRUE for
41 (setup_allocno_cover_class_and_costs): Ditto.
43 2008-05-06 Vladimir Makarov <vmakarov@redhat.com>
45 PR rtl-optimization/36028
46 * caller-save.c (setup_save_areas): Adjust reused stack slot.
48 2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
50 * ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
51 STACK_REGS is defined.
53 2008-05-05 Vladimir Makarov <vmakarov@redhat.com>
55 * ira-color.c (allocno_assign_compare_func): Remove.
56 (ira_fast_allocation): Rewrite.
58 2008-05-02 Vladimir Makarov <vmakarov@redhat.com>
60 * ira-conflicts.c (print_conflicts): Exclude non-allocatable hard
61 regs and hard regs from different cover classes.
62 (ira_build_conflicts): Build conflicts only for optimization mode.
64 * cfgloopanal.c (estimate_reg_pressure_cost): Decrease cost only
65 for optimization mode.
67 * caller-save.c (caller-save.c, calculate_local_save_info,
68 save_call_clobbered_regs): Do save/restore placement optimization
69 and sharing stack slots only for optimization mode.
71 * ira-int.h (set_allocno_cover_class, ira_fast_allocation): New
74 * ira-color.c (assign_hard_reg): Clear conflicting_regs.
75 (allocno_assign_compare_func, allocno_assign_compare_func): New
78 * global.c (build_insn_chain): Add spilled pseudos only in
81 * ira-emit.c (modify_move_list): Use set_allocno_cover_class.
83 * alias.c (nonoverlapping_memrefs_p): Check addresses only in
86 * ira-build.c (create_allocno): Initialize
87 ALLOCNO_CONFLICT_HARD_REGS and ALLOCNO_TOTAL_CONFLICT_HARD_REGS by
88 non-allocatable hard reg set.
89 (set_allocno_cover_class): New function.
90 (create_cap_allocno): Use set_allocno_cover_class.
91 (ira_build): Call create_loop_tree_node_caps,
92 propagate_info_to_loop_tree_node_caps, and
93 propagate_info_to_loop_tree_node_caps only in optimization mode.
94 * ira.c (setup_reg_renumber): Add optimize to ira_assert.
95 (ira): Call find_reg_equiv_invariant_const, ira_color,
96 sort_insn_chain, and fix_reg_equiv_init only in optimization mode.
97 Call ira_fast_allocation for -O0. Use right argument for reload.
99 * ira-costs.c (find_allocno_class_costs): Use important_classes
100 only for optimization mode.
101 (setup_allocno_cover_class_and_costs): Use
102 set_allocno_cover_class. Initialize cost vectors only in
103 optimization mode. Call process_bb_node_for_hard_reg_moves only
104 in optimization mode.
106 * reload1.c (compute_use_by_pseudos): Add optimize to ira_assert.
107 (reload): Sort pseudo-registers only optimization mode. Restore
108 original order for insn chain only in optimization mode.
109 (calculate_needs_all_insns): Call mark_memory_move_deletion only
110 in optimization mode.
111 (count_pseudo, count_spilled_pseudo): Check spilled pseudos only
112 in optimization mode.
113 (alter_reg): Share stack slots only in optimization mode.
114 (finish_spills): Check spilled pseudos only in optimization mode.
115 (emit_input_reload_insns, delete_output_reload): Call
116 mark_allocation_change only in optimization mode.
118 2008-05-01 Vladimir Makarov <vmakarov@redhat.com>
120 * ira-int.h (IRA_BB_NODE_BY_INDEX, IRA_LOOP_NODE_BY_INDEX): Use
121 gcc_unreachable instead of exit.
122 (struct allocno): New members min, max, and conflict_id.
123 (ALLOCNO_MIN, ALLOCNO_MAX, ALLOCNO_CONFLICT_ID): New macros.
124 (conflict_id_allocno_map):
125 (SET_ALLOCNO_SET_BIT, CLEAR_ALLOCNO_SET_BIT,
126 TEST_ALLOCNO_SET_BIT): Add two new parameters. Add versions for
128 (allocno_set_iterator): Add new member start_val.
129 (allocno_set_iter_init): Add two new parameters. Set up
131 (allocno_set_iter_cond): Use start_val.
132 (FOR_EACH_ALLOCNO_IN_SET): Add two new parameters.
133 (allocno_set_words): Remove.
134 (allocno_conflict_iterator): Add new member base_conflict_id.
135 (allocno_conflict_iter_init): Set up base_conflict_id. Use
136 ALLOCNO_MIN and ALLOCNO_MAX.
137 (allocno_conflict_iter_cond): Use conflict_id_allocno_map and
140 * ira-lives.c: Include sparseset.h.
141 (allocno_set_words, SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE,
142 TEST_ALLOCNO_LIVE, allocnos_live_bitmap): Remove.
143 (allocnos_live): Define as sparseset.
144 (make_regno_born, clear_allocno_live, mark_reg_store,
145 mark_reg_death, process_single_reg_class_operands,
146 process_bb_node_lives, create_allocno_live_ranges): Don't use
147 allocnos_live_bitmap. Use allocnos_live as sparseset.
149 * Makefile.in (ira-conflicts.o, ira-lives.o): Add sparseset.h
151 * ira-conflicts.c: Add sparseset.h header.
152 (mirror_conflicts): Remove.
153 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE, TEST_ALLOCNO_LIVE): Remove.
154 (allocnos_live): Remove.
156 (CONFLICT_ALLOCNO_P): New.
157 (build_conflict_bit_table): Use sparseset. Use FOR_EACH_ALLOCNO.
158 Allocate bits for [min..max] range. Report conflict bit table
159 sizes. Setup conflicts for both allocnos.
160 (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for copy vectors.
161 (remove_conflict_allocno_copies): Use CONFLICT_ALLOCNO_P. Rename
162 conflict_allocno_copy_varray to conflict_allocno_copy_vec and make
164 (build_allocno_conflicts): Use two new arguments for
165 FOR_EACH_ALLOCNO_IN_SET. Use conflict_id_allocno_map. Modify
166 calculation of ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE. Use two new
167 arguments for SET_ALLOCNO_SET_BIT.
168 (ira_build_conflicts): Don't call mirror_conflicts.
170 * ira-color.c (varray.h): Remove.
171 (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for
173 (allocno_stack_varray): Rename to allocno_stack_vec. Make it a
175 (assign_hard_reg, push_allocno_to_stack, pop_allocnos_from_stack,
176 ira_color): Use allocno_stack_vec as VEC.
178 * ira-build.c (setup_min_max_allocno_live_range_point,
179 allocno_range_compare_func, sort_conflict_id_allocno_map,
180 setup_min_max_conflict_allocno_ids): New function.
181 (conflict_id_allocno_map, conflict_id_allocno_map_vec): New global
183 (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for allocno vectors.
184 (allocno_varray): Rename to allocno_vec and make it a VEC.
185 (initiate_allocnos): Initiate conflict_id_allocno_map_vec. Use
186 allocno_vec as a VEC.
187 (create_allocno): Initiate min, max, and conflict_id_allocno.
188 Update conflict_id_allocno_map. Use allocno_vec as a VEC.
189 (allocate_allocno_conflict_bit_vec): Use ALLOCNO_MIN and
191 (add_to_allocno_conflicts): Ditto.
192 (remove_wrong_conflicts): Ditto. Use conflict_id_allocno_map.
193 (change_allocno_conflicts): Ditto. Use add_to_allocno_conflicts
194 instead of SET_ALLOCNO_SET_BIT.
195 (finish_allocnos): Free conflict_id_allocno_map_vec. Use
196 allocno_vec as a VEC.
197 (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for copy vectors.
198 (copy_varray): Rename to copy_vec and make it a VEC.
199 (initiate_copies, create_copy, finish_copies): Use copy_vec as
201 (ira_build): Call setup_min_max_allocno_live_range_point,
202 sort_conflict_id_allocno_map, and
203 setup_min_max_conflict_allocno_ids.
205 * ira-emit.c (move_t): New typedef.
206 (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for move vectors.
207 (move_varray): Rename it to move_vec and make it a VEC.
208 (emit_move_list, add_range_and_copies_from_move_list): Use move_t.
209 (traverse_moves, ira_emit): Ditto. Use move_vec as a VEC.
210 (modify_move_list): Ditto. Set up conflict_id, min, and max for
213 2008-04-10 Vladimir Makarov <vmakarov@redhat.com>
215 * reload1.c (substitute, gen_reload_chain_without_interm_reg_p):
217 (reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
219 2008-04-09 Vladimir Makarov <vmakarov@redhat.com>
221 * ira.c (ira): Move allocate_initial_values after initializing reg
224 2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
226 * config/spu/spu.h (IRA_COVER_CLASSES): New macro.
228 2008-04-08 Vladimir Makarov <vmakarov@redhat.com>
230 * ira-color.c (assign_hard_reg): Add debug printing.
232 * ira-lives.c (mark_reg_store, mark_reg_death,
233 process_bb_node_lives): Ignore hard regno of class NO_REGS.
235 * ira.c: Fix typos in comments.
237 2008-04-07 Vladimir Makarov <vmakarov@redhat.com>
239 * cfgloopanal.c (estimate_reg_pressure_cost): Decrease register
240 pressure cost for IRA regional allocation.
242 * ira.c: Add IRA overview.
244 2008-04-06 Vladimir Makarov <vmakarov@redhat.com>
246 * ira-int.h (reg_class_intersect, reg_class_union): Add comments.
248 * hard-reg-set.h (reg_class_subclasses): New external definition.
250 * ira.c (setup_reg_class_intersect_union): Define for classes
251 containing no hard registers available for allocation.
253 * regclass.c (reg_class_subclasses): Make it external.
255 * config/sh/sh.h (IRA_COVER_CLASSES): Add TARGET_REGS.
257 2008-04-05 Vladimir Makarov <vmakarov@redhat.com>
259 * toplev.c (backend_init_target): Move init_ira after
260 init_fake_stack_mems.
262 * config/sh/sh.c (sh_secondary_reload): Remove check of x on null.
264 2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
266 * config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
268 2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
270 * config/sh/sh.h (IRA_COVER_CLASSES): Define.
271 * config/sh/sh.c (sh_secondary_reload): Return NO_REGS for
273 * config/sh/sh.md (movsicc_true+3): Check if emit returns
275 * final.c (update_regs_ever_live): Check null rtl.
277 2008-04-04 Vladimir Makarov <vmakarov@redhat.com>
279 * reload1.c: Remove spaces before [.
281 * ira-conflicts.c, ira-int.h, ira-color.c, ira-lives.c,
282 ira-emit.c, ira-build.c, ira.c, ira.h, ira-costs.c: Ditto. Use
285 * caller-save.c: Ditto.
286 (set_up_bb_rts_numbers, rpost_cmp): Remove.
287 (save_trans_fun, save_con_fun_0, save_con_fun_n): New functions.
288 (struct bb_info): Remove member rts_number.
289 (calculate_local_save_info): Setup empty_save_in_p for abnormal
291 (all_blocks): New variable.
292 (calculate_save_in_out): Use df_simple_dataflow.
293 (make_global_save_analysis): Allocate/setup/free all_blocks.
295 2008-04-04 Vladimir Makarov <vmakarov@redhat.com>
297 * ira-costs.c: Use GPL3 in the header.
298 (find_allocno_class_costs): Use all important
299 classes on the 1st iteration.
301 2008-04-03 Vladimir Makarov <vmakarov@redhat.com>
303 PR rtl-optimization/35817
304 * ira-costs.c (ira-costs.c): Check have_regs_of_mode.
306 2008-04-02 Vladimir Makarov <vmakarov@redhat.com>
308 * ira-color.c (start_allocno_priorities): Permit zero allocno
311 2008-03-31 Vladimir Makarov <vmakarov@redhat.com>
313 * ira-color.c (push_allocnos_to_stack): Don't use double. Use
314 const as the secondary heuristic.
316 * ira-emit.c (set_allocno_reg): Change cap reg too. Process all
319 * doc/invoke.texi (-fira-coalescing): Change to -fira-coalesce.
321 * toplev.h (flag_lower_subreg): Remove.
323 * global.c (build_insn_chain): Remove the prototype.
325 * alias.c (value_addr_p): Change comment.
327 * emit-rtl.c (gen_lowpart_common): Remove CONCATN.
329 * simplify-rtx.c (simplify_subreg): Ditto.
331 * common.opt (flower-subreg): Remove.
333 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Fix last
336 2008-03-29 Vladimir Makarov <vmakarov@redhat.com>
338 * ira-lives (process_single_reg_class_operands): Fix typo in
339 setting up cover_class.
341 2008-03-28 Vladimir Makarov <vmakarov@redhat.com>
343 * ira-conflicts.c, global.c, regmove.c, function.c,
344 ira-emit.c, alias.c, reload1.c: Add comments, fix comments.
346 * reload.h: Add 2008 to the Copyright.
348 * caller-save.c: Add comments.
349 (reg_save_code, reg_restore_code, initiate_saved_hard_regs,
350 new_saved_hard_reg, finish_saved_hard_regs,
351 saved_hard_reg_compare_func, calculate_local_save_info,
352 set_up_bb_rts_numbers, rpost_cmp, calculate_save_in_out,
353 calculate_save_here, make_global_save_analysis,
354 print_hard_reg_set_and_mode, print_hard_reg_set, print_save_data,
355 set_hard_reg_saved, add_stored_regs): Add prototypes.
357 * df-scan.c (df_get_call_refs): Use
358 get_call_invalidated_used_regs.
360 * ira-int.h: Add comments.
361 (loop_tree_node): Rename inner to children.
362 (ira_allocate_regset, ira_free_regset): Remove.
363 (reassign_conflict_allocnos): Remove one parameter.
365 * ira-color.c: Add comments.
366 (setup_curr_costs): Rename to update_curr_costs.
367 (allocno_cost_compare_func, print_coalesced_allocno,
368 allocno_reload_assign): Add prototypes.
369 (reassign_conflict_allocnos): Remove one parameter.
371 * ira-lives.c: Add comments.
372 (make_regno_dead, make_regno_born_and_dead,
373 create_start_finish_chains, print_allocno_live_ranges,
374 print_live_ranges): Add protoypes.
376 * ira-build.c: Add comments.
377 (copy_allocno_live_range_list): Make it static.
379 * ira.c: Add comments.
380 (setup_cover_classes): Rename to
381 setup_cover_and_important_classes.
382 (free_register_move_costs, chain_freq_compare, chain_bb_compare,
383 ira): New prototypes.
384 (mode_inner_mode, setup_inner_mode, ira_allocate_regset,
385 ira_free_regset): Remove.
387 * ira.h: Add comments.
388 (SECONDARY_INPUT_RELOAD_CLASS,
389 SECONDARY_OUTPUT_RELOAD_CLASS, HAVE_SECONDARY_RELOADS,
390 MEMORY_MOVE_COST, reg_equiv_memory_loc_varray, reg_equiv_constant,
391 reg_equiv_memory_loc, reg_equiv_address, reg_equiv_mem, ira):
394 * ira-costs.c: Add comments.
395 (find_allocno_class_costs): Make common class a cover class.
397 2008-03-20 Vladimir Makarov <vmakarov@redhat.com>
399 * ira-int.h (allocno): Rename conflict_allocno_vec and
400 conflict_allocno_vec_size into conflict_allocno_array and
401 conflict_allocno_array_size. Remove conflict_allocnos_num.
402 Rename total_conflict_allocnos_num into conflict_allocnos_num New
403 members child_renamed_p and conflict_vec_p.
404 (ALLOCNO_CONFLICT_ALLOCNO_VEC): Rename to
405 ALLOCNO_CONFLICT_ALLOCNO_ARRAY.
406 (ALLOCNO_CONFLICT_ALLOCNO_VEC_SIZE): Rename to
407 ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE.
408 (ALLOCNO_CHILD_RENAMED_P, ALLOCNO_CONFLICT_VEC_P): New macros.
409 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Change to
410 FOR_EACH_ALLOCNO_IN_SET.
411 (allocno_set_iterator): New typedef.
412 (allocno_set_iter_init, allocno_set_iter_cond,
413 allocno_set_iter_next): New functions.
414 (conflict_vector_profitable_p, allocate_allocno_conflict_vec): New
416 (allocno_iterator): New typedef.
417 (allocno_iter_init, allocno_iter_cond): New functions.
418 (FOR_EACH_ALLOCNO): New macro.
419 (copy_iterator): New typedef.
420 (copy_iter_init, copy_iter_cond): New functions.
421 (FOR_EACH_COPY): New macro.
422 (allocno_conflict_iterator): New typedef.
423 (allocno_conflict_iter_init, allocno_conflict_iter_cond,
424 allocno_conflict_iter_next): New functions.
425 (conflict_vector_profitable_p, allocate_allocno_conflict_vec): New
427 (FOR_EACH_ALLOCNO_CONFLICT): New macro.
429 * ira-conflicts.c (conflicts): Change type.
430 (CONFLICT_P): Use one more index for conflicts.
431 (build_conflict_bit_table): Change allocation and initialization
433 (mirror_conflicts): Rewrite.
434 (remove_conflict_allocno_copies): Use FOR_EACH_ALLOCNO.
435 (build_allocno_conflict_vects): Rename to build_allocno_conflicts.
437 (print_conflicts): Use FOR_EACH_ALLOCNO, don't print star.
438 (ira_build_conflicts): Use FOR_EACH_ALLOCNO.
440 * ira-color.c (assign_hard_reg): Use FOR_EACH_ALLOCNO_CONFLICT.
441 Use min_full_cost for finding register profitability.
442 (push_allocno_to_stack): Use FOR_EACH_ALLOCNO_CONFLICT.
443 (setup_allocno_left_conflicts_num, coalesced_allocno_conflict_p):
445 (move_spill_restore): Use FOR_EACH_ALLOCNO.
446 (reassign_conflict_allocnos): Ditto. Use
447 FOR_EACH_ALLOCNO_CONFLICT.
448 (sort_regnos_for_alter_reg): Use FOR_EACH_ALLOCNO.
449 (reassign_pseudos): Use FOR_EACH_ALLOCNO_CONFLICT.
451 * ira-lives.c (make_regno_born, clear_allocno_live,
452 mark_reg_death, process_single_reg_class_operands,
453 process_bb_node_lives): Use FOR_EACH_ALLOCNO_IN_SET.
454 (create_start_finish_chains, print_live_ranges): Use
457 * ira-emit.c (set_allocno_reg): Set up ALLOCNO_CHILD_RENAMED_P.
458 (set_allocno_somewhere_renamed_p): Use
459 ALLOCNO_CONFLICT_ALLOCNO_ARRAY.
460 (ira_emit): Use FOR_EACH_ALLOCNO.
462 * ira.c (setup_reg_renumber, setup_allocno_assignment_flags,
463 calculate_allocation_cost, check_allocation,
464 print_redundant_copies, setup_preferred_alternate_classes): Use
467 * ira-costs.c (print_costs, setup_allocno_cover_class_and_costs,
468 ira_costs, tune_allocno_costs_and_cover_classes): Use
471 * ira-build.c (check_allocno_conflict_vec): Remove.
472 (add_to_allocno_conflict_vec): Rename to
473 allocate_allocno_conflicts. Rewrite.
474 (allocate_allocno_conflict_bit_vec, allocate_allocno_conflicts,
475 remove_wrong_conflicts, change_allocno_conflicts): New functions.
476 (rebuild_regno_allocno_maps): Use FOR_EACH_ALLOCNO.
477 (create_allocno): Initialize ALLOCNO_CHILD_RENAMED_P and
478 ALLOCNO_CONFLICT_VEC_P.
479 (conflict_vector_profitable_p): New function.
480 (compress_allocno_conflict_vec): Use
481 ALLOCNO_CONFLICT_ALLOCNO_ARRAY and don't use
482 ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM.
483 (compress_conflict_vecs): Use FOR_EACH_ALLOCNO. Check
484 ALLOCNO_CONFLICT_VEC_P.
485 (propagate_info_to_cap): Use FOR_EACH_ALLOCNO_CONFLICT.
486 (finish_allocnos): Use FOR_EACH_ALLOCNO.
487 (finish_copies): Use FOR_EACH_COPY.
488 (check_and_add_conflicts): Change second parameter. Use
489 add_to_allocno_conflicts instead of add_to_allocno_conflict_vec.
490 (temp_change_bit_vec): New variable.
491 (ira_flattening): Use FOR_EACH_ALLOCNO and FOR_EACH_COPY. Use
492 remove_wrong_conflicts, change_allocno_conflicts. Allocate and
493 free temp_change_bit_vec. Nullify `allocnos' elements for removed
494 allocnos. Check ALLOCNO_CHILD_RENAMED_P for removing obsolete
495 conflicts. Don't compress and enumerate allocnos and copies.
496 Nullify `copies' elements for removed copies. Use
497 add_to_allocno_conflicts instead of add_to_allocno_conflict_vec.
498 (ira_build): Use FOR_EACH_ALLOCNO.
500 2008-03-18 Vladimir Makarov <vmakarov@redhat.com>
502 * common.opt (fira-algorithm): Fix description
504 * ira-int.h (allocno): Remove best_class.
505 (ALLOCNO_BEST_CLASS): Remove.
506 (strict_class_subset_p): Remove.
508 * ira-color.c (get_coalesced_allocnos_best_class_and_freq): Rename
509 to get_coalesced_allocnos_attributes. Change prototype.
510 Calculate available regs.
511 (bucket_allocno_compare_func, sort_bucket): New functions.
512 (sorted_allocnos_for_spilling): New variable.
513 (assign_hard_reg): Don't add prohibited_class_mode_regs to
514 conflicting_regs. Use it in loop for finding the best hard
516 (add_allocno_to_ordered_bucket): Use bucket_allocno_compare_func.
517 (push_only_colorable): Call sort_bucket.
518 (push_allocnos_to_stack): Use sorted_allocnos_for_spilling instead
520 (put_allocno_into_bucket): Use add_allocno_to_bucket instead of
521 add_allocno_to_ordered_bucket.
522 (initiate_ira_assign): Allocate sorted_allocnos_for_spilling.
523 (finish_ira_assign): Free sorted_allocnos_for_spilling.
525 * ira-emit.c (modify_move_list): Remove setting ALLOCNO_BEST_CLASS
528 * ira-build.c (create_allocno, create_cap_allocno): Ditto.
530 * ira.c (strict_class_subset_p): Remove.
531 (setup_class_subset_and_memory_move_costs): Remove setting
532 strict_class_subset_p up.
534 * ira-costs.c (setup_allocno_cover_class_and_costs): Remove
535 setting ALLOCNO_BEST_CLASS up.
537 2008-03-12 Vladimir Makarov <vmakarov@redhat.com>
539 * ira-int.h (allocno_pool, copy_pool, allocno_live_range_pool):
540 Remove external definitions.
541 (free_allocno_updated_costs, allocate_cost_vector,
542 free_cost_vector): New prototypes.
543 (allocate_and_set_costs, allocate_and_copy_costs,
544 allocate_and_set_or_copy_costs): Change prototypes. Use
545 allocate_cost_vector instead of ira_allocate.
547 * ira-conflicts.c (add_insn_allocno_copies): Pass register class
548 to allocate_and_set_costs.
550 * ira-color.c (update_copy_costs_1): Pass register class to
551 allocate_and_set_or_copy_costs.
552 (assign_hard_reg): Pass register class to allocate_and_copy_costs.
554 (pop_allocnos_from_stack, color_allocnos): Check updated costs.
555 (color_pass): Pass register class to allocate_and_set_costs. Free
557 (move_spill_restore): Check reg equivalences.
558 (setup_curr_costs): Pass register class to
559 allocate_and_set_or_copy_costs.
560 (reassign_conflict_allocnos, allocno_reload_assign): Check updated
562 (calculate_spill_cost): Use REG_N_REFS after checking regno.
564 * ira-lives.c (process_single_reg_class_operands): Pass register
565 class to allocate_and_set_costs.
567 * ira-build.c (allocno_pool, allocno_live_range_pool): New
569 (initiate_allocnos): Initiate the pools.
570 (free_allocno_updated_costs): New function.
571 (finish_allocno): Use free_cost_vector. Free the pools.
572 (copy_pool): New variable.
573 (initiate_copies): Initiate the pool.
574 (cost_vector_pool): New variable.
575 (initiate_cost_vectors, allocate_cost_vector, free_cost_vector,
576 finish_cost_vectors): New functions.
577 (ira_flattening): Call free_allocno_updated_costs. Check updated
579 (ira_build): Call initiate_cost_vectors.
580 (ira_destroy): Call finish_cost_vectors.
582 * ira.c (find_reg_equiv_invariant_const): Check read only memory.
583 (setup_reg_renumber, setup_allocno_assignment_flags): Call
584 free_allocno_updated_costs.
585 (ira): Remove initializations and freeing allocno_pool, copy_pool,
586 and allocno_live_range_pool. Call generate_setjmp_warnings.
588 * ira-costs.c (process_bb_node_for_hard_reg_moves,
589 tune_allocno_costs_and_cover_classes): Pass register class to
590 allocate_and_set_costs.
592 * caller-save.c (save_slots_num, save_slots): New variables.
593 (init_save_areas): Initiate save_slots_num.
594 (setup_save_areas): Use stack slots from the previous reload
595 iteration independetly what slot was used on the previous pass.
597 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
599 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
600 Remove commutativity hint.
602 2008-03-06 Vladimir Makarov <vmakarov@redhat.com>
604 * ira.h (sort_regnos_for_alter_reg): Add parameter.
606 * reload1.c (reload): Pass additional argument to
607 sort_regnos_for_alter_reg.
609 * ira-int.h (reg_equiv_len): New global variable.
611 * ira-emit.c (change_loop): Add assertion.
613 * ira.c (reg_equiv_len): New global variable.
614 (setup_reg_renumber): Use reg_equiv_len in assertion.
615 (ira): Initialize reg_equiv_len and spilled_reg_stack_slots.
617 * ira-color.c (coalesced_pseudo_reg_compare): Rename to
618 coalesced_pseudo_reg_freq_compare.
619 (coalesced_pseudo_reg_slot_compare,
620 setup_coalesced_allocno_costs_and_nums,
621 collect_spilled_coalesced_allocnos, coalesce_spill_slots): New
623 (coalesced_allocno_conflict_p): Add new parameter. Use live
624 ranges to find conflicts for the reload.
625 (coalesce_allocnos): Don't coalesce allocnos with equivalences.
626 (color_pass): Check reg_quiv_len.
627 (regno_max_ref_width): New variable.
628 (sort_regnos_for_alter_reg): Add secondary coalescing spilled
629 allocnos. Assign stack slot numbers. Use costs instead of
631 (mark_allocation_change): Set up allocno hard regno.
632 (allocno_reload_assign): Ditto.
633 (reuse_stack_slot): Use stack slot numbers.
634 (mark_new_stack_slot): Set up allocno slot number.
636 * doc/passes.texi: Add more info about IRA.
638 2008-03-03 Vladimir Makarov <vmakarov@redhat.com>
640 * ira-conflicts.c (allocno_conflict_p): Rename to
641 allocno_live_ranges_intersect_p.
642 (allocno_reg_conflict_p): Rename to
643 pseudo_live_ranges_intersect_p.
645 * ira-lives.c (high_pressure_start_point): New variable.
646 (update_allocno_pressure_excess_length): New function.
647 (make_regno_dead): Call it.
648 (set_allocno_live): Udpate high_pressure_start_point.
649 (clear_allocno_live, mark_reg_store, mark_reg_death): Ditto.
650 (process_bb_node_lives): Initialize high_pressure_start_point.
651 Consider only allocatable hard regs for liveness.
653 * ira-costs.c (record_reg_classes): Multiply cost by frequency.
654 Use half frequency when memory is allowed. Remove check for
655 prefferred small register classes of pseudo-registers.
656 (scan_one_insn): Continue processing operands for moves of
657 pseudo-registers with equivalence. Don't multiply cost by
659 (init_ira_costs): Use bigger initial cost value.
662 (allocno): New members somewhere_renamed_p and
663 excess_pressure_points_num.
664 (ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_EXCESS_PRESSURE_POINTS_NUM):
666 (allocno_reg_conflict_p): Rename to
667 pseudo_live_ranges_intersect_p.
668 (allocno_conflict_p): Rename to allocno_live_ranges_intersect_p.
670 * ira.h (sort_regnos_for_alter_reg, better_spill_reload_regno_p):
671 New function prototypes.
673 * ira-color.c (merge_allocnos): Remove mode check.
674 (coalesce_allocnos): Add parameter and modify to use it for
675 coalescing spilled allocnos.
676 (color_allocnos): Pass parameter to coalesce_allocnos.
677 (regno_coalesced_allocno_freq, regno_coalesced_allocno_num): New
679 (coalesced_pseudo_reg_compare, calculate_spill_cost,
680 sort_regnos_for_alter_reg, better_spill_reload_regno_p): New
682 (mark_allocation_change, allocno_reload_assign, reassign_pseudos
683 ): Use ALLOCNO_MEMORY_COST instead of ALLOCNO_UPDATED_MEMORY_COST.
684 (reuse_stack_slot): Use pseudo_live_ranges_intersect_p instead of
685 allocno_reg_conflict_p.
687 * ira-emit.c (set_allocno_somewhere_renamed_p): New function.
688 (renamed_regno_bitmap): New static variable.
689 (change_loop): Check register pressure for creating new pseudo.
690 Set up ALLOCNO_SOMEWHERE_RENAMED_P and renamed_regno_bitmap.
691 (ira_emit): Allocate/deallocate renamed_regno_bitmap.
692 Call set_allocno_somewhere_renamed_p.
694 * ira-build.c (ira_loops): Move to ira.c.
695 (create_allocno): Initialize ALLOCNO_SOMEWHERE_RENAMED_P and
697 (create_cap_allocno): Set up ALLOCNO_MEMORY_COST.
698 (check_and_add_conflicts): Use allocno_live_ranges_intersect_p
699 instead of allocno_conflict_p.
700 (ira_flattening): Check conflicts of allocno renamed somewhere
701 locally. Update ALLOCNO_EXCESS_PRESSURE_POINTS_NUM.
702 (ira_build): Move code for finding loops to ira.c.
703 (ira_destroy): Move code for freeing loops to ira.c.
705 * ira.c (setup_reg_class_intersect_union): Fix calculation of
707 (calculate_allocation_cost): Use ALLOCNO_MEMORY_COST instead of
708 ALLOCNO_UPDATED_MEMORY_COST.
709 (ira_loops): Move from ira-build.c.
710 (ira): Move code for finding and freeing loops from ira-build.c.
711 Don't use regional RA when there are too many loops.
713 * reload1.c (pseudo_reg_compare): Remove.
714 (reload): Use sort_regnos_for_alter_reg.
715 (hard_regno_to_pseudo_regno): New variable.
716 (count_pseudo): Set up hard_regno_to_pseudo_regno.
717 (order_regs_for_reload): Initialize hard_regno_to_pseudo_regno.
718 (count_spilled_pseudo): Update hard_regno_to_pseudo_regno.
719 (find_reg): Use better_spill_reload_regno_p. Check
720 hard_regno_to_pseudo_regno.
722 * cfgloopanal.c: Include params.h.
723 (estimate_reg_pressure_cost): Check number of loops.
725 * params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
727 * params.h (IRA_MAX_LOOPS_NUM): New macro.
729 * Makefile.in (cfgloopanal.o): Add PARAMS_H.
731 * doc/invoke.texi (ira-max-loops-num): Describe.
733 2008-02-20 Vladimir Makarov <vmakarov@redhat.com>
735 * ira.h, ira-emit.c: Add year 2008 to the copyright.
738 (struct copy): Rename move_insn to insn.
739 (initiate_ira_assign, finish_ira_assign, debug_allocno_copies):
740 New function prototypes.
742 * ira-build.c: Add year 2008 to the copyright. Rename member
743 move_insn of the copies to insn.
744 (find_allocno_copy): New function.
745 (propagate_info_to_cap, add_allocno_copy): Use it.
746 (print_allocno_copies, debug_allocno_copies): New functions.
748 * ira-conflicts.c: Add year 2008 to the copyright. Rename member
749 move_insn of the copies to insn.
752 (setup_reg_class_intersect_union): Fix reg_class_union for cover
754 (ira): Call initiate_ira_assign and finish_ira_assign. Remove
755 setting reload_completed up.
757 * ira-costs.c: Add year 2008 to the copyright.
758 (ira_costs): Check modes of registers.
760 * ira-lives.c: Add year 2008 to the copyright.
761 (mark_reg_store, mark_reg_death, process_bb_node_lives): Don't use
763 (process_single_reg_class_operands): Check that the hard reg
764 belongs to the cover class.
766 * ira-color.c: Add year 2008 to the copyright. Rename member
767 move_insn of the copies to insn.
768 (initiate_cost_update, finish_cost_update, update_copy_costs_1):
770 (allocno_update_cost_check, update_cost_check): New static
772 (update_copy_costs): Increment update_cost_check. Call
774 (coalesce_allocnos): Don't coalesce already assigned allocnos or
775 copies with null insn.
776 (color_pass): Check loop tree node of the subloop allocno.
777 (finish_allocno_priorities): Remove.
778 (do_coloring): Move allocation/deallocation of
779 consideration_allocno_bitmap into initiate_cost_update and
781 (reassign_conflict_allocnos): Remove allocation/deallocation of
782 sorted_allocnos. Remove call of finish_allocno_priorities.
783 (reassign_pseudos): Remove allocation/deallocation of
784 consideration_allocno_bitmap and sorted_allocnos. Remove call of
785 finish_allocno_priorities.
786 (initiate_ira_assign, finish_ira_assign): New fucntions.
787 (ira_color): Remove allocation/deallocation of sorted_allocnos.
788 Call initiate_ira_assign and finish_ira_assign.
790 * postreload.c (gate_handle_postreload): Don't do post reload
791 optimizations unless the reload is completed.
793 * cfgloopanal.c (estimate_reg_pressure_cost): Return zero if we
796 * recog.c (peep2_free_reg_search_ofs): New static variable.
797 (peep2_find_free_register): Remove search_ofs. Use
798 peep2_free_reg_search_ofs instead of it.
799 (peephole2_optimize): Reset peep2_free_reg_search_ofs.
801 2008-01-10 Vladimir Makarov <vmakarov@redhat.com>
803 * reload1.c (compute_use_by_pseudos): Permits spilled registers in
805 (temp_pseudo_reg_arr): New variable.
806 (reload): Use instead temp_pseudo_reg_arr of pseudo_regs. Move
807 freeing to the function end. Don't clear spilled_pseudos for IRA.
808 Restore original insn chain for IRA.
809 (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
810 (count_pseudo, count_spilled_pseudo): Check spilled pseudos.
811 (alter_reg): Set up spilled_pseudos.
812 (finish_spills): Set up pseudo_previous_regs only for spilled
813 pseudos. Call reassign_pseudos once for all spilled pseudos,
814 pass more arguments. Don't clear live_throughout and dead_or_set
817 2008-01-10 Vladimir Makarov <vmakarov@redhat.com>
819 * reload1.c (compute_use_by_pseudos): Permits spilled registers in
821 (temp_pseudo_reg_arr): New variable.
822 (reload): Use instead temp_pseudo_reg_arr of pseudo_regs. Move
823 freeing to the function end. Don't clear spilled_pseudos for IRA.
824 Restore original insn chain for IRA.
825 (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
826 (count_pseudo, count_spilled_pseudo): Check spilled pseudos.
827 (alter_reg): Set up spilled_pseudos.
828 (finish_spills): Set up pseudo_previous_regs only for spilled
829 pseudos. Call reassign_pseudos once for all spilled pseudos,
830 pass more arguments. Don't clear live_throughout and dead_or_set
833 * global.c (reg_becomes_live, build_insn_chain): Don't ignore
834 spilled pseudos for IRA.
836 * caller-save.c (calculate_local_save_info,
837 save_call_clobbered_regs): Ignore spilled pseudos for IRA.
839 * toplev.c (backend_init_target): Call init_ira.
840 (backend_init): Move call of init_ira_once before
843 * ira.h (init_ira, sort_insn_chain, mark_memory_move_deletion):
844 New function prototypes.
845 (retry_ira_color): Rename to reassign_pseudos. Change
848 * ira-int.h (allocno): New member dont_reassign_p.
849 (ALLOCNO_DONT_REASSIGN_P): New macro.
850 (memory_move_cost): Change element type.
851 (register_move_cost): Change type.
852 (register_may_move_in_cost, register_may_move_out_cost,
853 reg_class_intersect): New arrays.
854 (important_class_nums): Fix element type.
855 (hard_reg_not_in_set_p): Make it static inline.
856 (init_register_move_cost, init_ira_costs): New function
858 (allocno_conflict_index): Remove.
859 (allocate_and_set_costs, allocate_and_copy_costs,
860 allocate_and_set_or_copy_costs): New static inline functions.
862 * ira-build.c (compress_allocno_conflict_vec,
863 compress_conflict_vecs): New functions.
864 (allocno_conflict_index): Remove.
865 (allocno_conflict_check, curr_allocno_conflict_check_tick): New
867 (propagate_info_to_cap): Use allocate_and_copy_costs.
868 (check_and_add_conflicts): Don't call allocno_conflict_index.
869 (ira_flattening): Add some assertions. Check that cost vectors
870 have been allocated. Don't call allocno_conflict_index. Call
871 compress_conflict_vecs.
873 * ira.c (memory_move_cost, register_move_cost): Change types.
874 (register_may_move_in_cost, register_may_move_out_cost,
875 strict_class_subset_p): New variables.
876 (setup_class_subset_and_move_costs): Rename to
877 setup_class_subset_and_memory_move_costs. Remove
878 register_move_cost setup. Don't consider no_unit_alloc_regs. Add
879 strict_class_subset_p setup.
880 (setup_reg_class_intersect): Rename to
881 setup_reg_class_intersect_union. Don't consider
882 no_unit_alloc_regs. Add reg_class_union setup.
883 (hard_reg_not_in_set_p): Move to ira-int.h.
884 (setup_reg_subclasses): Use no_unit_alloc_regs instead of
885 fixed_reg_set. Don't consider no_unit_alloc_regs.
886 (important_class_nums): Fix element type.
887 (setup_cover_classes): Use no_unit_alloc_regs instead of
888 fixed_reg_set. Don't consider no_unit_alloc_regs.
889 (setup_class_translate): Ditto.
890 (reg_class_union): New variable.
891 (init_register_move_cost, free_register_move_costs): New
893 (init_ira_once): Initialize register_move_cost,
894 register_may_move_in_cost, register_may_move_out_cost. Move some
896 (init_ira): New function. Move some code from init_ira_once.
897 Call free_register_move_costs and init_ira_costs.
898 (calculate_allocation_cost): Check allocation of allocno hard reg
900 (basic_block_order_nums): New variable.
901 (chain_freq_compare, chain_bb_compare, sort_insn_chain): New
903 (ira): Call sort_insn_chain.
905 * ira-color.c (allocno_coalesced_p): New variable.
906 (update_copy_costs): Use allocate_and_set_or_copy_costs.
907 (assign_hard_reg): Clear and use
908 processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
909 Use allocate_and_copy_costs. Use allocno cover class cost if the
910 hard register cost vector is not allocated.
911 (get_coalesced_allocnos_best_class_and_freq): Use
912 reg_class_intersect instead of reg_class_subintersect.
913 (add_allocno_to_ordered_bucket): Use strict_class_subset_p.
914 (push_allocno_to_stack): Clear and use
915 processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
916 (setup_allocno_left_conflicts_num): Don't setup
917 ALLOCNO_UPDATED_HARD_REG_COSTS and
918 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS. Clear and use
919 processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
920 (put_allocno_into_bucket): Don't setup
921 ALLOCNO_UPDATED_HARD_REG_COSTS and
922 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.
923 (coalesced_allocno_conflict_p): Clear and use
924 processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
925 (coalesce_allocnos): Setup allocno_coalesced_p.
926 (color_allocnos): Add processing reg class NO_REGS.
927 (color_pass): Propagate assignment of spilled allocno not
928 mentioned in the subregion for the mixed algorithm. Use
929 allocate_and_set_costs.
930 (move_spill_restore, mark_allocation_change): Check unallocated
931 hard reg cost vectors.
932 (setup_curr_costs): Don't setup ALLOCNO_UPDATED_HARD_REG_COSTS and
933 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS. Use
934 allocate_and_set_or_copy_costs.
935 (mark_memory_move_deletion, allocno_reload_assign,
936 pseudo_reg_compare, reassign_pseudos): New functions.
937 (retry_ira_color): Remove.
939 * ira-conflicts.c (add_insn_allocno_copies): Use
940 allocate_and_set_costs.
941 (allocno_conflict_p): Simplify the code.
943 * ira-costs.c: Rename reg_class_subunion to reg_class_union
945 (cost_classes, cost_classes_num, cost_class_nums,
946 max_struct_costs_size): New variables.
947 (copy_cost): Use init_register_move_cost instead of
949 (record_reg_classes): Ditto. Use cost_classes and
950 cost_classes_num instead of important_classes and
951 important_classes_num. Use register_may_move_{in,out}_cost
952 instead of may_move_{in,out}_cost. Check reg class intersection
954 (record_address_regs): Use init_register_move_cost instead of
955 init_move_cost. Use cost_classes and cost_classes_num instead of
956 important_classes and important_classes_num. Use
957 register_may_move_in_cost instead of may_move_in_cost.
958 (scan_one_insn): Use cost_classes_num instead of
959 important_classes_num.
960 (print_costs): Use cost_classes and cost_classes_num instead of
961 important_classes and important_classes_num.
962 (find_allocno_class_costs): Initialize cost_classes and
963 cost_class_nums. Use cost_classes and cost_classes_num instead of
964 important_classes and important_classes_num.
965 (process_bb_node_for_hard_reg_moves): Use allocate_and_set_costs.
966 (setup_allocno_cover_class_and_costs): Use cost_classes and
967 cost_classes_num instead of important_classes and
968 important_classes_num.
969 (init_ira_costs_once): Move some code to init_ira_costs. Initiate
971 (free_ira_costs: New function. Move some code from
972 finish_ira_costs_once.
973 (init_ira_costs): New function. Move some code from
974 init_ira_costs_once. Use max_struct_costs_size instead of
975 struct_costs_size. Call free_ira_costs. Allocate cost_classes.
976 (finish_ira_costs_once): Move some code to finish_ira_costs. Call
978 (ira_costs): Use max_struct_costs_size instead of
979 struct_costs_size. Use allocate_and_set_costs.
981 * ira-emit.c (modify_move_list): Remove allocation of hard reg
984 * ira-lives.c (process_single_reg_class_operands): Add new
985 parameter freq. Calculate costs basing on the frequency.
986 (process_bb_node_lives): Pass the frequency to
987 process_single_reg_class_operands.
989 2007-12-17 Vladimir Makarov <vmakarov@redhat.com>
991 * doc/invoke.texi (fira-algoirthm): Remove prioirity coloring.
992 Make mixed the default.
994 * flags.h (ira_algorithm): Remove IRA_ALGORITHM_PRIORITY.
996 * ira-color.c (priority_coloring): Remove.
997 (do_coloring): Don't call priority_coloring.
999 * opts.c (common_handle_option): Remove priority coloring option.
1001 * toplev.c (flag_ira_algorithm): Assign IRA_ALGORITHM_MIXED.
1003 * ira-build.c (check_and_add_conflicts, ira_flattening): Increase
1004 threshold for internal_flag_ira_verbose.
1006 2007-12-17 Vladimir Makarov <vmakarov@redhat.com>
1008 * common.opt (fira-assign-after-call-split, fira-biased-coloring,
1009 fira-split-around-calls): Remove.
1010 (fdump-simple-rtl, fira-verbose): New options.
1011 (fira, fira-coalesce): Initiate by 0.
1013 * opts.c (common_handle_option): Process flag_ira_verbose.
1015 * flags.h (flag_ira_verbose): New external definition.
1017 * toplev.h (flag_ira_assign_after_call_split,
1018 flag_ira_biased_coloring, flag_ira_split_around_calls): Remove.
1020 * toplev.c (flag_ira_verbose): New external declaration.
1021 (finalize): Call finish_ira_once.
1023 * print-rtl.c (flag_simple): Rename to flag_dump_simple_rtl.
1025 * doc/invoke.texi (-fno-ira-assign-after-call-split,
1026 -fira-biased-coloring, -fno-ira-split-around-calls): Remove.
1027 (-fdump-simple-rtl, -fira-verbose): New options.
1029 * caller-save.c (insert_restore, insert_save): Use
1030 adjust_address_nv instead of adjust_address. Check the mode by
1033 * ira-call.c: Remove file.
1035 * ira-lives.c: New file.
1037 * Makefile.in (ira-live.o): Add
1038 (ira-call.o): Remove.
1039 (IRA_INT_H): Add alloc-pool.h.
1041 * ira.h (finish_ira_once): New external definition.
1043 * ira-int.h (internal_flag_ira_verbose, alloc_pool allocno_pool,
1044 copy_pool, allocno_live_range_pool, ira_loop_tree_height,
1045 max_point, start_point_ranges, finish_point_ranges,
1046 prohibited_mode_move_regs, important_class_nums,
1047 ira_curr_regno_allocno_map, allocno_set_words): New external
1049 (loop_tree_node_t, allocno_live_range_t): New typedefs. Use them
1051 (ira_loop_tree_node): Rename to loop_tree_node.
1052 (loop_tree_node): New member level.
1053 (allocno_live_range): New structure.
1054 (allocno): New members nrefs, live_ranges,
1055 total_conflict_hard_regs, conflict_allocnos_num,
1056 total_conflict_allocnos_num, mem_optimized_dest,
1057 mem_optimized_dest_p, total_no_stack_reg_p. Remove members
1058 conflict_allocno_vec_active_size and original_memory_cost. Rename
1059 member curr_hard_reg_costs to updated_hard_reg_costs.
1060 (ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM,
1061 ALLOCNO_TOTAL_CONFLICT_HARD_REGS, ALLOCNO_CONFLICT_ALLOCNOS_NUM,
1062 ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM, ALLOCNO_NREFS,
1063 ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
1064 ALLOCNO_TOTAL_NO_STACK_REG_P, ALLOCNO_LIVE_RANGES): New access
1066 (ALLOCNO_CONFLICT_ALLOCNO_VEC_ACTIVE_SIZE,
1067 ALLOCNO_ORIGINAL_MEMORY_COST): Remove.
1068 (ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS): Rename to
1069 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.
1070 (allocno_copy): New member loop_tree_node.
1071 (INT_BITS, INT_TYPE, EXECUTE_IF_SET_IN_ALLOCNO_SET): Move from
1073 (SET_ALLOCNO_SET_BIT, CLEAR_ALLOCNO_SET_BIT,
1074 TEST_ALLOCNO_SET_BIT): New macros.
1075 (ira_reallocate, allocno_conflict_index, add_allocno_conflict,
1076 create_allocno_live_range, finish_allocno_live_range,
1077 add_allocno_copy_to_list, swap_allocno_copy_ends_if_necessary,
1078 remove_allocno_copy_from_list, add_allocno_copy, ira_flattening,
1079 finish_ira_costs_once, rebuild_start_finish_chains,
1080 print_live_range_list, debug_live_range_list,
1081 debug_allocno_live_ranges, debug_live_ranges,
1082 create_allocno_live_ranges, finish_allocno_live_ranges,
1083 allocno_conflict_p, loop_edge_freq): New external function
1085 (hard_reg_in_set_p, original_regno_call_crossed_p,
1086 ira_max_regno_before, ira_max_regno_call_before): Remove.
1087 (traverse_loop_tree): Add new parameter type.
1088 (create_copy): Ditto.
1089 (debug_conflicts, ira_emit, add_allocno_copy): Add parameter.
1090 (debug_ira_call_data, split_around_calls, get_around_calls_regno):
1093 * ira.c (setup_prohibited_mode_move_regs): New function.
1094 (internal_flag_ira_verbose, allocno_pool, copy_pool,
1095 allocno_live_range_pool, important_class_nums): New external
1097 (IRA_NO_OBSTACK): Uncomment it.
1098 (ira_reallocate): New function.
1099 (setup_cover_classes): Set up important_class_nums.
1100 (finish_ira_once): New function.
1101 (prohibited_mode_move_regs,
1102 prohibited_mode_move_regs_initialized_p): New global variables.
1103 (setup_prohibited_mode_move_regs): New function.
1104 (setup_reg_renumber): Remove parameters.
1105 (setup_allocno_assignment_from_reg_renumber): Rename to
1106 setup_allocno_assignment_flags. Set up ALLOCNO_ASSIGNED_P.
1107 (calculate_allocation_cost): Use ALLOCNO_UPDATED_MEMORY_COST.
1108 (ira_max_regno_before, ira_max_regno_call_before): Remove.
1109 (ira): Set up internal_flag_ira_verbose. Call
1110 setup_prohibited_mode_move_regs. Create and destroy allocno,
1111 copy, and live range pools. Remove original_regno_call_crossed_p.
1112 Report major passes. Use argument for ira_emit. Call
1113 ira_flattening and df_analyze. Remove live range splitting around
1116 * ira-build.c (setup_loop_tree_level, rebuild_regno_allocno_maps,
1117 expand_calls, compress_calls, allocno_conflict_index,
1118 add_to_allocno_conflict_vec, propagate_info_to_cap,
1119 copy_allocno_live_range, copy_allocno_live_range_list,
1120 finish_allocno, finish_copy,
1121 propagate_info_to_loop_tree_node_caps, merge_ranges,
1122 common_loop_tree_node_dominator, check_and_add_conflicts,
1123 add_conflict_with_underlying_allocnos, ira_flattening): New
1125 (check_coalesced_allocnos): Remove.
1126 (ira_loop_tree_height): New external variable.
1127 (form_loop_tree): Call setup_loop_tree_level.
1128 (initiate_calls): Allocate a bit more. (create_allocno): Use
1129 pool_alloc. Set up ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM,
1130 ALLOCNO_TOTAL_CONFLICT_HARD_REGS, ALLOCNO_NREFS,
1131 ALLOCNO_TOTAL_NO_STACK_REG_P, ALLOCNO_MEM_OPTIMIZED_DEST,
1132 ALLOCNO_MEM_OPTIMIZED_DEST_P, ALLOCNO_UPDATED_MEMORY_COST, and
1133 ALLOCNO_LIVE_RANGES. Rename
1134 ALLOCNO_CONFLICT_ALLOCNO_VEC_ACTIVE_SIZE,
1135 ALLOCNO_CURR_HARD_REG_COSTS, and
1136 ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS to
1137 ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_UPDATED_HARD_REG_COSTS, and
1138 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.
1139 (add_allocno_conflict): Make it external. Use
1140 add_to_allocno_conflict_vec.
1141 (create_cap_allocno): Move part of code to propagate_info_to_cap.
1142 (finish_allocnos): Use finish_allocno.
1143 (add_allocno_copy_to_list, remove_allocno_copy_from_list,
1144 swap_allocno_copy_ends_if_necessary, add_allocno_copy): Move from
1145 ira-conflicts.c. Make them external.
1146 (create_copy): Use pool_alloc. Add parameter loop_tree_node.
1147 (finish_copies): Use finish_copy.
1148 (ira_curr_regno_allocno_map): New external variable.
1149 (traverse_loop_tree): Add parameter bb_first_p.
1150 (create_insn_allocnos): Update ALLOCNO_NREFS.
1151 (create_loop_tree_node_allocnos): Traverse loop tree nodes with
1152 BBs first. Update ALLOCNO_NREFS.
1153 (create_loop_tree_node_caps): Move part of code to
1154 propagate_info_to_loop_tree_node_cap.
1155 (regno_top_level_allocno_map): New global variable.
1156 (ira_build): Create caps before build conflicts. Call
1157 create_allocno_live_ranges. Propagate info to caps. Report
1159 (ira_destroy): Call finish_allocno_live_ranges.
1161 * ira-conflicts.c (set_allocno_live, clear_allocno_live,
1162 record_regno_conflict, mark_reg_store, mark_reg_clobber,
1163 mark_reg_conflicts, mark_reg_death): Remove.
1164 (add_insn_allocno_copies, add_copies): New functions.
1165 (add_allocno_copy_to_list, remove_allocno_copy_from_list,
1166 swap_allocno_copy_ends_if_necessary, add_allocno_copy): Remove.
1167 (add_allocno_copies): Rename to add_insn_allocno_copies. Use
1168 ira_curr_regno_allocno_map and add_insn_allocno_copies.
1169 (single_reg_class, single_reg_operand_class,
1170 process_single_reg_class_operands, process_bb_node_for_conflicts):
1172 (INT_BITS, INT_TYPE, EXECUTE_IF_SET_IN_ALLOCNO_SET): Move to
1174 (allocnos_live_bitmap, SET_ALLOCNO_CONFLICT_ROW,
1175 CLEAR_ALLOCNO_CONFLICT_ROW, TEST_ALLOCNO_CONFLICT_ROW): Remove.
1176 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE, TEST_ALLOCNO_LIVE):
1177 Use {SET, CLEAR, TEST}_ALLOCNO_SET_BIT.
1178 (allocno_row_words, hard_regs_live, curr_bb_node,
1179 curr_regno_allocno_map, curr_reg_pressure): Remove.
1180 (CONFLICTP): Rename to CONFLICT_P.
1182 (propagate_allocno_info): Use ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1183 Set up ALLOCNO_CALLS_CROSSED_START.
1184 (allocno_conflict_p): New function.
1185 (allocno_reg_conflict_p): Use allocno_conflict_p.
1186 (build_allocno_conflict_vects): Divide original and propagated
1188 (print_hard_reg_set): New function.
1189 (print_conflicts): Use print_hard_reg_set. Set up mark for the
1190 start of propagated conflicts.
1191 (debug_conflicts): Add parameter.
1192 (ira_build_conflicts): Call add_copies. Set up
1193 ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1195 * ira-costs.c (struct costs): Make cost allocated dynamically.
1196 (struct_costs_size, temp_cots, op_costs, this_op_costs): New
1198 (costs): Rename to total_costs.
1199 (COSTS_OF_ALLOCNO): New macro.
1200 (curr_regno_allocno_map): Remove. Use ira_curr_regno_allocno_map
1202 (record_reg_classes): Check NO_REGS in allocno_pref.
1203 (record_address_regs): Use COSTS_OF_ALLOCNO.
1204 (scan_one_insn): Ditto.
1205 (print_costs): Ditto.
1206 (find_allocno_class_costs): Ditto. Pass additional argument to
1207 traverse_loop_tree. Set up NO_REGS if memory is cheaper.
1208 (setup_allocno_cover_class_and_costs): Use
1209 ALLOCNO_UPDATED_MEMORY_COST instead of
1210 ALLOCNO_ORIGINAL_MEMORY_COST, ALLOCNO_UPDATED_HARD_REG_COSTS
1211 instead of ALLOCNO_CURR_HARD_REG_COSTS, and
1212 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS instead of
1213 ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS. Pass additional argument to
1215 (init_ira_costs_once): Allocate init_cost, op_costs,
1216 this_op_costs, temp_costs.
1217 (finish_ira_costs_once): New function.
1219 * ira-color.c: Use ALLOCNO_UPDATED_MEMORY_COST instead of
1220 ALLOCNO_ORIGINAL_MEMORY_COST, ALLOCNO_UPDATED_HARD_REG_COSTS
1221 instead of ALLOCNO_CURR_HARD_REG_COSTS, and
1222 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS instead of
1223 ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS. Use
1224 ALLOCNO_TOTAL_CONFLICT_HARD_REGS instead of
1225 ALLOCNO_CONFLICT_HARD_REGS.
1226 (processed_allocno_bitmap): Rename into
1227 processed_coalesced_allocno_bitmap.
1228 (allocno_cost_compare_func): Use ALLOCNO_UPDATED_MEMORY_COST
1229 instead of ALLOCNO_MEMORY_COST.
1230 (assign_hard_reg): Remove biased coloring.
1231 (add_allocno_to_ordered_bucket): Check cover class first.
1232 (loop_edge_freq): Make it external.
1233 (setup_allocno_left_conflicts_num): Check that conflicting
1234 allocnos of one class.
1235 (allocno_conflict_p): Rename to coalesced_allocno_conflict_p.
1236 (color_pass): Check pressure in the loop (not in subloops) for
1238 (allocno_priorities): New variable.
1239 (start_allocno_priorities, finish_allocno_priorities): New
1241 (allocno_priority_compare_func): Use allocno_priorities.
1242 (priority_coloring): Call start_allocno_priorities and
1243 finish_allocno_priorities.
1244 (do_coloring): Pass additional argument to traverse_loop_tree.
1246 * ira-emit.c (struct move): Add member insn.
1247 (create_move): Initialize member insn.
1248 (generate_edge_moves): Set up ALLOCNO_MEM_OPTIMIZED_DEST and
1249 ALLOCNO_MEM_OPTIMIZED_DEST_P.
1250 (change_loop): Check prohibited_mode_move_regs.
1251 (curr_jump_map, can_move_through_p): Remove.
1252 (unify_moves): Don't move through jump.
1253 (modify_move_list): Set up attributes for new allocno used for
1254 breaking dependency loops.
1255 (emit_move_list): Set up insn codes.
1256 (update_costs, add_range_and_copies_from_move_list,
1257 add_ranges_and_copies): New functions.
1258 (ira_emit): Add a parameter. Call add_ranges_and_copies.
1260 2007-10-09 Vladimir Makarov <vmakarov@redhat.com>
1262 * toplev.h (flag_ira_coalesce): New external variable.
1264 * ira-int.h (allocno): New members first_coalesced_allocno,
1265 next_coalesced_allocno.
1266 (ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO):
1268 (reg_class_subintersect): New external variable.
1270 * ira-color.c (processed_allocno_bitmap): New variable.
1271 (allocno_cost_compare_func, print_coalesced_allocno): New
1273 (assign_hard_reg): Process coalesced allocnos.
1274 (get_coalesced_allocnos_best_class_and_freq): New function.
1275 (add_allocno_to_ordered_bucket): Use the function.
1276 (push_allocno_to_stack, push_allocnos_to_stack): Process coalesced
1278 (remove_allocno_from_bucket_and_push, pop_allocnos_from_stack):
1279 Use print_coalesced_allocno.
1280 (setup_allocno_available_regs_num,
1281 setup_allocno_left_conflicts_num): Process coalesced allocnos.
1282 (copy_freq_compare_func, allocno_conflict_p, coalesce_allocnos):
1284 (color_allocnos): Allocate/free processed_allocno_bitmap. Call
1286 (priority_coloring): Allocate/free processed_allocno_bitmap.
1288 * ira-build.c (check_coalesced_allocnos): New function.
1289 (create_allocno): Initiate next_coalesced_allocno,
1290 first_coalesced_allocno.
1291 (create_cap_allocno): Check next_coalesced_allocno,
1292 first_coalesced_allocno.
1294 * common.opt (fira-coalesce): New option.
1296 * ira.c (setup_reg_class_intersect): New function.
1297 (reg_class_subintersect): New global variable.
1298 (init_ira_once): Call setup_reg_class_intersect.
1300 * doc/invoke.texi (-fira-coalescing): New option.
1302 2007-09-20 Vladimir Makarov <vmakarov@redhat.com>
1304 * ira-build.c (create_allocno): Initialize ALLOCNO_BEST_CLASS.
1306 * ira-color.c (add_allocno_to_ordered_bucket): Use
1309 * ira-costs.c (setup_allocno_cover_class_and_costs): Initialize
1312 * ira-int.h (allocno): New member best_class.
1313 (ALLOCNO_BEST_CLASS): New macro.
1315 2007-09-19 Vladimir Makarov <vmakarov@redhat.com>
1317 * ira-int.h (allocno): Remove calls_crosed. Add
1318 calls_crossed_start.
1319 (ALLOCNO_CALLS_CROSSED): Remove.
1320 (ALLOCNO_CALLS_CROSSED_START): Add.
1322 (regno_calls, add_regno_call): New.
1324 * ira-build.c (initiate_calls, finish_calls, add_regno_call): New
1326 (regno_calls, regno_calls_num): New globals.
1328 (add_loop_to_tree): Use loop_outer.
1329 (form_loop_tree): Ditto.
1330 (initiate_allocnos, create_cap_allocno): Remove
1331 ALLOCNO_CALLS_CROSSED. Add ALLOCNO_CALLS_CROSSED_START.
1332 (finish_allocnos): Remove ALLOCNO_CALLS_CROSSED.
1333 (create_bb_allocnos, create_loop_allocnos): Use DF_LR_{IN,OUT}
1334 instead of DF_UPWARD_LIVE_{IN,OUT}.
1335 (ira_build): Remove adding df problems and call of
1336 free_dominance_info. Call initiate_calls.
1337 (ira_destroy): Add free_dominance_info and finish_calls. Remove
1340 * ira-emit.c (change_regs): Return the result.
1341 (generate_edge_moves): Use DF_LR_{IN,OUT} instead of
1342 DF_UPWARD_LIVE_{IN,OUT}.
1343 (change_loop): Call df_insn_rescan and df_note_rescan if there is
1345 (can_move_through_p): Use hard_reg_set_equal_p instead of
1346 GO_IF_HARD_REG_EQUAL.
1348 * ira-costs.c (copy_cost, record_reg_classes,
1349 record_address_regs): Call init_move_cost if it is necessary.
1350 (tune_allocno_costs_and_cover_classes): Use regno_calls and
1351 ALLOCNO_CALLS_CROSSED_START instead of ALLOCNO_CALLS_CROSSED.
1353 * ira-conflicts.c (n_regs_set): Remove.
1354 (regs_set): Make it a vector.
1355 (mark_reg_store, mark_reg_clobber): Change 2nd parameter type.
1356 (process_bb_node_for_conflicts): Use DF_LR_IN instead of
1357 DF_UPWARD_LIVE_IN. Call add_regno_call. Initialize
1358 ALLOCNO_CALLS_CROSSED_START. Remove ALLOCNO_CALLS_CROSSED.
1359 (build_conflict_bit_table): Initialize and finalize regs_set.
1360 (propagate_allocno_info): Remove ALLOCNO_CALLS_CROSSED.
1361 Initialzie ALLOCNO_CALLS_CROSSED_START.
1363 * ira-color.c (setup_allocno_available_regs_num,
1364 setup_allocno_left_conflicts_num): New functions.
1365 (update_allocno_avaialable_regs): Remove.
1366 (sorted_allocnos, allocno_stack_varray): Move upper.
1367 (assign_hard_reg): Use hard_reg_set_subset_p instead of
1368 GO_IF_HARD_REG_SUBSET.
1369 (loop_edge_freq): Use DF_LR_{IN,OUT} instead of
1370 DF_UPWARD_LIVE_{IN,OUT}.
1371 (put_allocno_into_bucket): Call setup_allocno_available_regs_num
1372 and setup_allocno_left_conflicts_num.
1373 (print_loop_title): Use loop_depth.
1374 (allocno_priority_compare_func): Remove REG_N_REFS and
1376 (retry_ira_color): Use SET_REGNO. Use ALLOCNO_CALLS_CROSSED_NUM
1377 instead of ALLOCNO_CALLS_CROSSED.
1378 (collect_pseudo_call_clobbered_regs): Use regno_calls and
1379 ALLOCNO_CALLS_CROSSED_START instead of ALLOCNO_CALLS_CROSSED.
1381 * ira-call.c (init_ira_call_data): Add argument to
1383 (n_regs_set): Remove.
1384 (regs_set): Make it a vector.
1385 (mark_reg_store, mark_reg_clobber): Change 2nd parameter type.
1386 (mark_referenced_regs): Check null x.
1387 (put_save_restore_and_calculate_local_info): Initialize and
1388 finalize regs_set. Use DF_LR_{IN,OUT} instead of
1389 DF_UPWARD_LIVE_{IN,OUT}. Use loop_outer.
1390 (do_init_nothing): Remove.
1391 (save_trans_fun, save_con_fun_0, restore_trans_fun,
1392 restore_con_fun_0): Remove 1st parameter.
1393 (save_con_fun_n, restore_con_fun_n): Ditto. Use
1394 df_simple_dataflow instead of df_analyze_problem.
1395 (put_save_restore): Use DF_LR_IN instead of DF_UPWARD_LIVE_IN.
1396 Call mark_all_referenced_regs for all insn. Use bitmap progress.
1397 (get_move_insn): New function.
1398 (put_save_restore_and_calculate_local_info, put_save_restore): Use
1401 * ira.c (insn_contains_asm_1, insn_contains_asm,
1402 compute_regs_asm_clobbered, expand_reg_info): New functions.
1403 (setup_class_subset_and_move_costs): Use hard_reg_set_subset_p
1404 instead of GO_IF_HARD_REG_SUBSET.
1405 (setup_reg_subclasses, setup_class_translate): Ditto. Use
1406 hard_reg_set_equal_p instead of GO_IF_HARD_REG_EQUAL.
1407 (setup_eliminable_regset): Call compute_regs_asm_clobbered. Use
1408 df_set_regs_ever_live instead of regs_ever_live.
1409 (setup_reg_renumber): Check reg_equiv_const and
1410 reg_equiv_invariant_p.
1411 (ira): Remove no_new_pseudos. Add df-problems and analyze. Call
1412 regstat_init_n_sets_and_refs and regstat_compute_ri. Remove
1413 delete_unreachable_blocks. Use expand_reg_info. Move
1414 setup_preferred_alternate_classes upper. Remove life_analysis.
1415 Prepare df-insfrastructure for reload.
1417 * regclass.c (setup_reg_classes): Don't use reg_pref_buffer.
1419 * function.[ch] (get_call_invalidated_used_regs): Change 1st
1422 * gengtype.c (main): Add HARD_REG_SET.
1424 * alias.c (value_addr_p): New function.
1425 (nonoverlapping_memrefs_p): Use it.
1427 * caller-save.c (init_caller_save): Use DF_LR_TOP for IRA instead
1428 of global_live_at_start.
1430 2007-05-04 Vladimir Makarov <vmakarov@redhat.com>
1432 * ira-conflicts.c: Change pseudo to allocno.
1433 * ira-color.c: Ditto.
1434 * ira-emit.c: Ditto.
1435 * ira-build.c: Ditto.
1437 (important_classes_num, important_classes): New variables.
1438 (setup_cover_classes): Set up the variable values.
1439 * ira-costs.c: Ditto.
1440 (record_reg_classes, record_address_regs, scan_one_insn,
1441 find_pseudo_class_costs): Process only important classes.
1442 * ira-call.c: Ditto. Add comments about placement optimization.
1444 (allocno) Use one bit field for boolean members.
1445 (important_classes_num, important_classes): New external
1448 2007-03-16 Vladimir Makarov <vmakarov@redhat.com>
1450 * flags.h (ira_algorithm): Add IRA_ALGORITHM_MIXED.
1452 * opts.c (common_handle_option): Set up IRA_ALGORITHM_MIXED from
1453 the option argument.
1455 * common.opt (fira-assign-after-call-split, fira-propagate-cost,
1456 fira-split-around-calls): New options.
1457 (fira-ipra): Switch off by default.
1459 * doc/invoke.texi (-fira-algorithm): Add mixed algorithm.
1460 (-fno-ira-ipra): Rename to -fira-ipra.
1461 (-fno-ira-assign-after-call-split, -fira-propagate-cost,
1462 -fno-ira-split-around-calls): Add new options.
1464 * ira-conflicts.c (curr_reg_pressure): New variable.
1465 (set_pseudo_live, clear_pseudo_live, mark_reg_store,
1466 mark_reg_death): Update reg pressure.
1467 (add_pseudo_copies): Decrease cost for copy with dead pseudo.
1468 (process_bb_node_for_conflicts): Propagate reg pressure.
1469 (build_conflict_bit_table): Call process_bb_node_for_conflicts in
1471 (ira_build_conflicts): Add new coloring algorithm.
1472 (ira_build_conflicts): Add flag_ira_split_around_calls.
1474 * ira-emit.c (change_loop): Print allocation on the region
1475 borders. Use pseudo_cap_member instead of regno.
1476 (modify_move_list): Add parameter to create pseudo.
1477 (ira_emit): Use pseudo_cap_member instead of regno.
1479 * ira-build.c (create_loop_tree_nodes): Set up initial reg
1481 (create_pseudo): Add parameter. Use the parameter value instead
1483 (print_expanded_pseudo): Use pseudo_cap_member instead of regno.
1484 (create_cap_pseudo, create_insn_pseudos, create_bb_pseudos,
1485 create_loop_pseudos): Add argument to create_pseudo call.
1486 (create_pseudos, ira_build): Process IRA_ALGORITHM_MIXED.
1487 (create_loop_tree_node_caps): Create cap pseudo for all pseudos
1488 not having father pseudo.
1490 * final.c (rest_of_handle_final): Process INCOMING_REGNO.
1492 * toplev.h (flag_ira_assign_after_call_split,
1493 flag_ira_propagate_cost, flag_ira_split_around_calls): New flags.
1495 * caller-save.c (save_call_clobbered_regs): Move declaration
1496 this_insn_sets to the function start.
1498 * ira-int.h (ira_loop_tree_node): Add reg_pressure.
1499 (pseudo): More comments for regno and cap_member
1500 (original_regno_call_crossed_p, ira_max_regno_before,
1501 ira_max_regno_call_before): New external variables.
1502 (create_pseudo): Add parameter.
1503 (reassign_conflict_pseudos, debug_ira_call_data,
1504 split_around_calls, get_around_calls_regno): New function
1507 * ira-color.c (assign_hard_reg): Set best_hard_regno and
1508 conflict_regs earlier. Check register availability earlier.
1509 Ignore conflict and copy cost for PSEUDO_MAY_BE_SPILLED_P.
1510 (calculate_pseudo_spill_cost): Use pseudo_cap instead of regno.
1511 Check father pseudo instead of subloop pseudos.
1512 (pop_pseudos_from_stack): Set up PSEUDO_ASSIGNED_P for NO_REGS
1514 (print_loop_title): Print reg pressure.
1515 (color_pass): Use PSEUDO_CAP_MEMBER instead of regno. Add mixed
1517 (move_spill_restore): Use PSEUDO_CAP_MEMBER instead of regno. Use
1518 subloop pseudos instead of father pseudo for cost calculation.
1519 (setup_curr_costs, reassign_conflict_pseudos): New functions.
1520 (retry_ira_color): Don't allocate call used registers when
1521 flag_caller_saves or flag_ira_split_around_calls. Call
1522 setup_curr_cost. Print about spilling pseudo split around calls.
1523 (reuse_stack_slot): Choose the slot with minimal memory-memory
1526 * ira.c (setup_reg_renumber): Add 2 parameters. Use cap_number
1527 instead of regno. Initialize caller_save_needed. Make assertion
1529 (setup_pseudo_assignment_from_reg_renumber): New function.
1530 (calculate_allocation_cost): Add assertion.
1531 (print_redundant_copies): Use cap_number instead of regno.
1532 (original_regno_call_crossed_p, ira_max_regno_before,
1533 ira_max_regno_call_before): New global variables.
1534 (ira): Process IRA_ALGORITHM_MIXED. Set up
1535 ira_max_regno_call_before and ira_max_regno_before. New arguments
1536 for setup_reg_renumber. Reassign if pseudo changed its class.
1537 Split pseudos around the call if necessary. Reassign if a pseudo
1540 * ira.h: New year for Copyright.
1542 * ira-costs.c (reg_pref): Rename to pseudo_pref.
1543 (reg_pref_buffer): rename to pseudo_pref_buffer.
1544 (find_pseudo_class_costs): Initialize best_cost and best_class.
1545 Process IRA_ALGORITHM_MIXED. Find best cover class for regno.
1546 (process_bb_node_for_hard_reg_moves): Process IRA_ALGORITHM_MIXED.
1548 * Makefile.in (ira-call.o): Add new file.
1550 * reload1.c (calculate_needs_all_insns): Remove unnecessary
1553 * ira-call.c: New file.
1555 2007-02-09 Vladimir Makarov <vmakarov@redhat.com>
1557 * common.opt (fipra): Rename to fira-ipra. Make it default.
1558 (fira-move-spills, fira-share-save-slots, fira-share-spill-slots):
1560 * toplev.h (flag_ipra): Rename to flag_ira_ipra.
1561 (flag_ira_move_spills, flag_ira_share_save_slots,
1562 flag_ira_share_spill_slots): New external definitions.
1563 * doc/invoke.texi (-fipra): Rename to -fno-ira-ipra.
1564 (-fno-ira-move-spills, -fno-ira-share-save-slots,
1565 -fno-ira-share-spill-slots): New options.
1566 * function.c (get_call_invalidated_used_regs): Rename flag_ipra to
1568 * ira-costs.c (tune_pseudo_costs_and_cover_classes): Ditto.
1569 * caller-save.c (setup_save_areas): Use flag_ira_share_save_slots.
1570 Rename flag_ipra to flag_ira_ipra.
1571 (flag_ira_share_save_slots): Use flag_ira_move_spills.
1572 * ira-color.c (assign_hard_reg): Skip pseudos with different cover
1574 (reuse_stack_slot): Use flag_ira_share_spill_slots.
1575 * config/arm/arm.h (IRA_COVER_CLASSES): New macro.
1577 2007-02-31 Vladimir Makarov <vmakarov@redhat.com>
1579 * reload.h (debug_save_data): New definition.
1581 * caller-save.c (struct bb_info): New.
1582 (BB_INFO, BB_INFO_BY_INDEX): New macros.
1583 (calculate_local_save_info, set_up_bb_rts_numbers, rpost_cmp,
1584 calculate_save_in_out, calculate_save_here,
1585 make_global_save_analysis, print_hard_reg_set_and_mode,
1586 print_hard_reg_set, print_save_data, debug_save_data,
1587 set_hard_reg_saved): New functions.
1588 (save_call_clobbered_regs): Make global save analysis and use it
1589 to put save/restore code.
1590 (insert_one_insn): Check CODE_LABEL.
1592 2007-01-19 Vladimir Makarov <vmakarov@redhat.com>
1594 * toplev.h (flag_ipra): New external definition.
1596 * common.opt (fipra): New option.
1598 * doc/invoke.texi (-fipra); Document the option.
1600 * cgraph.h (cgraph_node): New member function_used_regs.
1602 * cgraph.c (cgraph_create_node): Initialize function_used_regs.
1604 * final.c (update_regs_ever_live): New function.
1605 (rest_of_handle_final): Set up function_used_regs and
1608 * ira-build.c (ira_build): Clear function call_used_regs.
1610 * function.h: Add hard-reg-set.h header.
1611 (emit_status): New member call_used_regs.
1612 (get_call_invalidated_used_regs): New definition.
1614 * function.c (get_call, get_call_invalidated_used_regs): New
1617 * Makefile.in (FUNCTION_H): Add hard-reg-set.h.
1618 (caller-save.o): Add dependence on output.h and ira.h
1620 * regrename.c (copyprop_hardreg_forward_1): Use function
1621 get_call_invalidated_used_regs.
1623 * ira-conflicts.c (process_bb_node_for_conflicts): Ditto.
1625 * postreload-gcse.c (record_opr_changes,
1626 reg_set_between_after_reload_p, reg_used_between_after_reload_p):
1629 * postreload.c (reload_combine, reload_cse_move2add): Ditto.
1631 * rtlanal.c (reg_set_between_p): Ditto.
1633 * flow.c (propagate_one_insn): Ditto.
1635 * df-scan.c (df_insn_refs_record): Ditto.
1637 * gcse.c (compute_hash_table_work, compute_store_table): Ditto.
1639 * cselib.c (cselib_process_insn): Ditto.
1641 * loop-iv.c (simplify_using_assignment): Ditto.
1643 * sched-deps.c (sched_analyze): Ditto.
1645 * combine.c (record_dead_and_set_regs): Ditto.
1647 * resource.c (mark_set_resources, mark_set_resources): Ditto.
1649 * var-tracking.c (var-tracking.c): Ditto.
1651 * reload1.c (reload): Ditto.
1653 * cse.c (invalidate_for_call): Ditto. Add parameter.
1654 (cse_insn): Pass the parameter.
1656 * ira.h (try_to_migrate): Remove the definition.
1657 (collect_pseudo_call_clobbered_regs): New external definition.
1659 * ira-color.c (collect_pseudo_call_clobbered_regs): New function.
1661 * ira-costs.c (tune_pseudo_costs_and_cover_classes): Add cost
1662 calculation when IPRA is used.
1664 * caller-save.c: Include headers output.h and ira.h.
1665 (saved_hard_reg): New structure.
1666 (hard_reg_map, hard_reg_map, all_saved_regs): New variables.
1667 (all_saved_regs, new_saved_hard_reg, finish_saved_hard_regs,
1668 saved_hard_reg_compare_func): New functions.
1669 (setup_save_areas): Add code for sharing stack slots.
1670 (save_call_clobbered_regs): Use function
1671 get_call_invalidated_used_regs.
1673 2007-01-12 Vladimir Makarov <vmakarov@redhat.com>
1675 * doc/tm.texi (IRA_HARD_REGNO_ADD_COST_MULTIPLIER): New macro.
1677 * ira-conflicts.c (add_pseudo_copies): Add copy between output and
1678 died operand pseudos.
1680 * ira.c (setup_cover_classes, setup_class_translate): Define and
1681 call only when IRA_COVER_CLASSES is defined.
1682 (no_alloc_regs): Rename to no_unit_alloc_regs.
1683 (setup_eliminable_regset): Set up no_alloc_regs.
1685 * ira-costs.c (tune_pseudo_costs_and_cover_classes): Modify cost
1686 if IRA_HARD_REGNO_ADD_COST_MULTIPLIER is defined.
1688 * config/s390/s390.h (IRA_COVER_CLASSES,
1689 IRA_HARD_REGNO_ADD_COST_MULTIPLIER(regno)): Define.
1691 2006-12-22 Vladimir Makarov <vmakarov@redhat.com>
1693 * rtl.h (setup_reg_classes): New function prototype.
1695 * regclass.c (setup_reg_classes): New function.
1697 * global.c (global_alloc): Dump information about register
1700 * ira-int.h (ira_build): Change prototype signature.
1702 * ira-color.c (pseudo_compare_func): Rename to
1703 pseudo_priority_compare_func.
1704 (priority_coloring): Dump information about register
1707 * ira-build.c (ira_build): Return true if we have loops for the
1710 * ira.c (setup_preferred_alternate_classes): New function.
1711 (ira): Use it instead of regclass. Rebuild only if we have loops.
1713 2006-12-15 Vladimir Makarov <vmakarov@redhat.com>
1715 * ira.h, ira-int.h, ira.c, ira-build.c, ira-costs.c
1716 ira-conflicts.c, ira-color.c, ira-emit.c: New files.
1718 * flags.h (ira_algorithm): New enumeration.
1719 (flag_ira_algorithm): New external variable declaration.
1721 * tree-pass.h (pass_ira): New external variable declaration.
1723 * toplev.c (ira.h): New include.
1724 (flag_ira_algorithm): New global variable.
1725 (backend_init): Call init_ira_once.
1727 * toplev.h (flag_ira, flag_ira_biased_coloring): New external
1728 variable declarations.
1730 * regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
1731 may_move_out_cost): New external variable declarations.
1733 * caller-save.c (no_caller_save_reg_set): New global variable.
1734 (init_caller_save): Set up no_caller_save_reg_set.
1736 * global.c (eliminable_regset): Make it external.
1737 (gate_handle_global_alloc): New function.
1738 (pass_global_alloc): Add the gate function.
1740 * opts.c (decode_options): Print the warning for -fira.
1741 (common_handle_option): Process -fira-algorithm option.
1743 * timevar.def (TV_IRA): New pass.
1745 * hard-reg-set.h (no_caller_save_reg_set): New external variable
1748 * regmove.c (regmove_optimize): Don't do replacement of output
1749 operands by input operands.
1750 (rest_of_handle_regmove): Don't do CFG cleanup for IRA.
1752 * local-alloc.c (update_equiv_regs): Make it external. Return
1753 true if jump label rebuilding should be done.
1754 (gate_handle_local_alloc): New function.
1755 (pass_local_alloc): Add the gate function.
1757 * alias.c (stack_addr_p): New function.
1758 (nonoverlapping_memrefs_p): Add code for IRA.
1760 * common.opt (fira, fira-algorithm, fira-biased-coloring): New
1763 * regclass.c (contains_reg_of_mode, move_cost, may_move_in_cost,
1764 may_move_out_cost): Make the variables external.
1766 * rtl.h (eliminable_regset): New external variable declaration.
1767 (update_equiv_regs): New external function definition.
1769 * Makefile.in (IRA_INT_H): New definition.
1770 (OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
1771 ira-conflicts.o, ira-color.o, and ira-emit.o.
1772 (reload1.o, toplev.o): Add dependence on ira.h.
1773 (ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
1774 ira-emit.o): New entries.
1776 * passes.c (pass_ira): New pass.
1778 * reload1.c (alter_reg): Add a new parameter.
1779 (pseudo_reg_compare): New function.
1780 (reload): Sort pseudos for IRA. Call alter_reg with the
1781 additional parameter.
1782 (count_spilled_pseudo): New variable freq. Use it.
1783 (alter_reg): Add code for IRA.
1784 (eliminate_regs_1, finish_spills, emit_input_reload_insns,
1785 delete_output_reload): Use additional parameter for alter_reg.
1786 (finish_spills, emit_input_reload_insns, delete_output_reload):
1787 Call mark_allocation_change.
1788 (finish_spills): Call retry_ira_color.
1790 * doc/invoke.texi: Describe new options -fira,
1791 -fira-biased-coloring, and -fira-algorithm.
1793 * doc/passes.texi: Decribe IRA.
1795 * doc/tm.texi: Decribe macro IRA_COVER_CLASSES.
1797 * config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
1799 * config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
1801 * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
1803 * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
1805 Richard Henderson <rth@redhat.com>
1807 * tree-pass.h (pass_lower_subreg): New external definition.
1808 * toplev.h (flag_lower_subreg): New external definition.
1809 * rtl.def (CONCATN): New rtl expression.
1810 * dwarf2out.c (concatn_loc_descriptor): New function.
1811 (loc_descriptor): Process CONCATN.
1812 * timevar.def (TV_LOWER_SUBREG): New definition.
1813 * emit-rtl.c (gen_reg_rtx_offset): New function.
1814 (gen_lowpart_common): Process CONCATN.
1815 * simplify-rtx.c (simplify_subreg): Process CONCATN.
1816 * common.opt (flower-subreg): New options.
1817 * rtl.h (gen_reg_rtx_offset): New external definition.
1818 * Makefile.in (OBJS-common): Add lower-subreg.o.
1819 (lower-subreg.o): New entry.
1820 * passes.c (pass_lower_subreg): Add new pass.
1821 * lower-subreg.c: New file.
1823 2008-03-28 Rafael Espindola <espindola@google.com>
1825 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
1826 (tree_binary_nonnegative_warnv_p): Make it public.
1827 (tree_single_nonnegative_warnv_p): Make it public.
1828 (tree_invalid_nonnegative_warnv_p): Make it public.
1829 (tree_unary_nonzero_warnv_p): Make it public.
1830 (tree_binary_nonzero_warnv_p): Make it public
1831 (tree_single_nonzero_warnv_p): Make it public.
1832 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
1833 (extract_range_from_binary_expr): Split the expr argument.
1834 (extract_range_from_unary_expr): Split the expr argument.
1835 (extract_range_from_comparison): Split the expr argument.
1836 (extract_range_from_expr): Use the new aux functions.
1837 (vrp_evaluate_conditional_warnv): Use
1838 vrp_evaluate_conditional_warnv_with_ops.
1839 * tree.h (tree_unary_nonzero_warnv_p): Declare.
1840 (tree_binary_nonzero_warnv_p): Declare.
1841 (tree_single_nonzero_warnv_p): Declare.
1842 (tree_expr_nonzero_warnv_p): Declare.
1843 (tree_unary_nonnegative_warnv_p): Declare.
1844 (tree_binary_nonnegative_warnv_p): Declare.
1845 (tree_single_nonnegative_warnv_p): Declare.
1846 (tree_invalid_nonnegative_warnv_p): Declare.
1848 2008-03-28 Richard Guenther <rguenther@suse.de>
1850 PR tree-optimization/30317
1851 PR tree-optimization/30911
1852 PR tree-optimization/34793
1853 * tree-vrp.c (set_and_canonicalize_value_range): New function.
1854 (struct assert_locus_d): New member EXPR.
1855 (register_new_assert_for): Add EXPR parameter to support
1856 ASSERT_EXPR <name, expr OP limit>.
1857 (register_edge_assert_for_1): Adjust callers.
1858 (find_assert_locations): Likewise.
1859 (process_assert_insertions_for): Build condition from
1861 (extract_range_from_assert): Handle ASSERT_EXPRs
1862 of the form ASSERT_EXPR <name, expr OP limit>.
1863 (register_edge_assert_for_2): New helper registering
1864 asserts for comparisons. Recognize range tests of the form
1865 (unsigned)i - CST1 OP CST2.
1866 (register_edge_assert_for_1): Use it.
1867 (register_edge_assert_for): Likewise.
1868 (needs_overflow_infinity): Integer sub-types
1869 do not need overflow infinities.
1870 (vrp_val_is_max): The extreme values of integer sub-types
1871 are those of the base type.
1872 (vrp_val_is_min): Likewise.
1873 * tree.def (ASSERT_EXPR): Document extra allowed conditional
1876 2008-03-28 Nick Clifton <nickc@redhat.com>
1878 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
1879 Return GENERAL_REGS for stack adjustment reloads.
1881 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1884 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
1885 const_vector when all the vectors are constant.
1887 2008-03-27 Bob Wilson <bob.wilson@acm.org>
1889 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
1891 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
1892 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
1894 (s<code>_sf): Use new scc_sf attribute for opcode names.
1896 2008-03-27 Tom Tromey <tromey@redhat.com>
1898 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
1899 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
1900 config/spu/t-spu-elf, config/i386/t-interix,
1901 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
1902 config/i386/x-darwin, config/i386/x-mingw32,
1903 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
1904 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
1905 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
1906 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
1907 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
1908 config/rs6000/x-darwin, config/rs6000/t-rs6000,
1909 config/score/t-score-elf, config/arm/t-strongarm-pe,
1910 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
1911 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
1912 Revert automatic dependency patch.
1914 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
1917 * config/i386/i386.c (ix86_function_arg_boundary): Align
1918 decimal floating point to its natural boundary.
1920 2008-03-27 Richard Guenther <rguenther@suse.de>
1923 * fold-const.c (fold_comparison): Restrict distinct decl
1924 comparison folding to VAR_DECLs and PARM_DECLs. Do not
1925 solely rely on operand_equal_p.
1927 2008-03-27 Richard Guenther <rguenther@suse.de>
1930 * c-common.c (handle_weak_attribute): Reject combination of
1933 2008-03-27 Richard Guenther <rguenther@suse.de>
1935 PR tree-optimization/32810
1936 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
1937 conversions from DECL_INITIAL.
1938 (fold_const_aggregate_ref): Likewise from constructor elements.
1940 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
1942 * tree-affine.h (aff_combination_expand): Declare.
1943 (get_inner_reference_aff): Likewise.
1944 * tree-affine.c (aff_combination_expand): Split out from
1945 tree_to_aff_combination_expand.
1946 (get_inner_reference_aff): New function.
1947 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
1948 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
1949 (struct lim_aux_data): sm_done field removed.
1950 (mem_ref_loc_p, mem_ref_locs_p): New types.
1951 (struct mem_ref): Added id, stored, accesses_in_loop,
1952 indep_loop, dep_loop, indep_ref, dep_ref fields.
1953 Removed is_stored, locs and next fields.
1954 (memory_accesses): New variable.
1955 (movement_possibility): Do not allow moving statements
1956 that store to memory.
1957 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
1959 (determine_max_movement): For statements with memory references,
1960 find the outermost loop in that the reference is independent.
1961 (move_computations_stmt): Mark the virtual operands for
1963 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
1964 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
1965 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
1966 add_vop_ref_mapping, create_vop_ref_mapping_loop,
1967 create_vop_ref_mapping, analyze_memory_references,
1968 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
1969 get_all_locs_in_loop, ref_always_accessed_p,
1970 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
1971 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
1972 store_motion_loop, store_motion): New functions.
1973 (struct vop_to_refs_elt): New type.
1974 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
1975 memref_hash, memref_eq, hoist_memory_references): Rewritten.
1976 (schedule_sm): Replaced by...
1977 (execute_sm): ... this.
1978 (determine_lsm_ref, hoist_memory_references,
1979 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
1980 find_more_ref_vops, free_mem_ref, free_mem_refs,
1981 determine_lsm_loop, determine_lsm): Removed.
1982 (tree_ssa_lim_finalize): Free data structures used by store
1984 (tree_ssa_lim): Call analyze_memory_references. Use
1985 store_motion instead of determine_lsm.
1987 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
1989 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
1990 rename tmake_file to m68hc11/t-m68hc11.
1991 (mcore): Set inhibit_libc to true.
1992 * config.host (alpha*-dec-*vms*): Set extra_programs.
1993 (interix3*): Don't use host_xmake_file.
1994 * configure.ac: Let config.gcc override inhibit_libc.
1995 * configure: Regenerate.
1997 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
1998 * config/t-openbsd-thread: Remove commented out lines.
2000 * config/x-interix: Remove.
2002 * config/m68hc11/t-m68hc11-gas: Rename to...
2003 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
2005 * config/mcore/t-mcore: Remove T_CFLAGS.
2006 * config/mcore/t-mcore-pe: Likewise.
2008 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
2010 * configure.ac: Replace custom __GNU_SOURCE test with
2011 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
2012 * aclocal.m4: Regenerate.
2013 * configure: Regenerate.
2014 * config.in: Regenerate.
2016 2008-03-27 Richard Guenther <rguenther@suse.de>
2018 * fold-const.c (target.h): Include.
2019 (fold_comparison): Fold comparison of addresses of decls
2020 that bind locally or of constants. Consolidate address folding code.
2021 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
2022 results from fold_binary_to_constant.
2023 (compare_values_warnv): Likewise.
2025 2008-03-27 Andrew Pinski <pinskia@gmail.com>
2028 * fold-const.c (fold_truthop): Check for integeral types when folding
2029 a == 0 && b == 0 and a != 0 || b != 0 .
2031 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
2033 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
2035 2008-03-26 Andreas Schwab <schwab@suse.de>
2037 * doc/invoke.texi: Fix use of @item vs. @itemx.
2039 2008-03-26 Tom Tromey <tromey@redhat.com>
2041 * Makefile.in (build/gensupport.o, build/print-rtl.o,
2042 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
2043 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
2044 build/gencodes.o, build/genconditions.o, build/genconfig.o,
2045 build/genconstants.o, build/genemit.o, build/genextract.o,
2046 build/genflags.o, build/genmddeps.o, build/genopinit.o,
2047 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
2050 2008-03-26 Richard Guenther <rguenther@suse.de>
2053 2008-03-26 Richard Guenther <rguenther@suse.de>
2055 * fold-const.c (target.h): Include.
2056 (fold_comparison): Fold comparison of addresses of two decls
2057 that bind locally. Consolidate address folding code.
2059 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2061 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
2062 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
2063 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
2064 dconstsqrt2, dconstthird, dconste and/or dconst10.
2065 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
2066 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
2067 dconstsqrt2, dconste): Delete.
2068 (init_emit_once): Likewise. Simplify initializing dconstm1.
2070 * real.c (get_real_const): New.
2071 * real.h (dconst3, dconst10, dconstm2, dconstthird,
2072 dconstsqrt2, dconste): Delete.
2073 (real_value_const, get_real_const): New.
2075 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
2077 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
2079 * config/i386/i386.c (ix86_function_arg_boundary): Check
2080 BIGGEST_ALIGNMENT instead of 128.
2081 (setup_incoming_varargs_64): Likewise.
2083 2008-03-26 Tom Tromey <tromey@redhat.com>
2085 * Makefile.in (DEPFILES): Add missing '/'.
2087 2008-03-26 Richard Guenther <rguenther@suse.de>
2089 * fold-const.c (target.h): Include.
2090 (fold_comparison): Fold comparison of addresses of two decls
2091 that bind locally. Consolidate address folding code.
2093 2008-03-26 Nick Clifton <nickc@redhat.com>
2096 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
2097 not allow INT+INT as a legitimate addressing mode.
2099 2008-03-26 Richard Guenther <rguenther@suse.de>
2101 * tree-flow.h (widen_bitfield): Remove declaration.
2102 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
2103 (widen_bitfield): Remove function.
2104 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
2107 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
2110 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
2113 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
2115 PR rtl-optimization/35232
2116 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
2117 (forget_old_reloads_1, forget_marked_reloads): Don't clear
2118 reg_reloaded_call_part_clobbered here.
2119 (reload_regs_reach_end_p): New function.
2120 (reload_reg_rtx_for_input): New variable.
2121 (reload_reg_rtx_for_output): Likewise.
2122 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
2123 when reassigning a pseudo register. Load reloadreg from
2124 reload_reg_rtx_for_input, moving the mode and register
2126 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
2127 instead of the original when deciding whether an input reload
2128 would be a no-op or whether an output reload can be deleted.
2129 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
2130 when setting up new_spill_reg_store. Load it from
2131 reload_reg_rtx_for_output, moving the mode and register
2133 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
2134 instead of the original when deciding whether an output reload
2135 would be a no-op. Do the same when modifying insn notes.
2136 Use rtx_equal_p instead of == to compare the registers.
2137 (inherit_piecemeal_p): Take a mode and two register numbers
2139 (emit_reload_insns): Clear new_spill_reg_store for every hard
2140 register in the reload register. Remove spill registers
2141 from reg_reloaded_valid before considering whether to record
2142 inheritance information for them. Use reload_reg_rtx_for_output
2143 instead of reg_rtx when recording output reloads. Use
2144 reload_reg_rtx_for_input instead of reg_rtx when recording
2145 input reloads. Set or clear reg_reloaded_call_part_clobbered
2146 at the same time as setting reg_reloaded_valid.
2147 (delete_output_reload): Add a new_reload_reg parameter and use it
2148 instead of rld[j].reg_rtx.
2149 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
2152 2008-03-25 Tom Tromey <tromey@redhat.com>
2154 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
2155 (build/genattr.o): Likewise.
2156 (build/genattrtab.o): Likewise.
2157 (build/gencodes.o): Likewise.
2158 (build/genconfig.o): Likewise.
2159 (build/genconstants.o): Likewise.
2160 (build/genemit.o): Likewise.
2161 (build/genextract.o): Likewise.
2162 (build/genflags.o): Likewise.
2164 2008-03-25 Bob Wilson <bob.wilson@acm.org>
2166 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
2167 instead of size_int for integer types.
2168 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
2169 to match type of MINUS_EXPR.
2171 2008-03-25 Tom Tromey <tromey@redhat.com>
2173 * configure: Rebuilt.
2174 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
2177 2008-03-25 Tom Tromey <tromey@redhat.com>
2179 * config/x-solaris (host-solaris.o): Update.
2180 * config/x-linux (host-linux.o): Update.
2181 * config/x-hpux (host-hpux.o): Update.
2182 * config/x-darwin (host-darwin.o): Update.
2183 * config/v850/t-v850e (v850-c.o): Update.
2184 * config/v850/t-v850 (v850-c.o): Update.
2185 * config/t-vxworks (vxworks.o): Update.
2186 * config/t-sol2 (sol2-c.o, sol2.o): Update.
2187 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
2188 * config/spu/t-spu-elf (spu-c.o): Update.
2190 * config/sh/t-symbian (sh-c.o): Update.
2191 (symbian.o): Update.
2192 * config/sh/t-sh (sh-c.o): Update.
2193 * config/score/t-score-elf (score7.o, score3.o): Update.
2194 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
2195 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
2196 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
2197 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
2199 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
2200 * config/m32c/t-m32c (m32c-pragma.o): Update.
2201 * config/ia64/t-ia64 (ia64-c.o): Update.
2202 * config/i386/x-mingw32 (host-mingw32.o): Update.
2203 * config/i386/x-i386 (driver-i386.o): Update.
2204 * config/i386/x-darwin (host-i386-darwin.o): Update.
2205 * config/i386/x-cygwin (host-cygwin.o): Update.
2206 * config/i386/t-nwld (nwld.o): Update.
2207 * config/i386/t-netware (netware.o): Update.
2208 * config/i386/t-interix (winnt.o): Update.
2209 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
2210 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
2211 msformat-c.o): Update.
2212 * config/bfin/t-bfin-linux (generated_files): Add
2213 linux-sysroot-suffix.h.
2214 * config/arm/t-wince-pe (pe.o): Update.
2215 * config/arm/t-strongarm-pe (pe.o): Update.
2216 * config/arm/t-pe (pe.o): Update.
2217 * config/arm/t-arm (arm-c.o): Update.
2218 * doc/install.texi (Prerequisites): Require make 3.80.
2219 * Makefile.in: Remove .o targets.
2220 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
2221 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
2222 (simple_generated_h, simple_generated_c): Move earlier.
2223 (generated_files): New variable.
2224 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
2225 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
2226 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
2227 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
2228 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
2229 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
2230 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
2231 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
2232 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
2233 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
2234 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
2235 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
2237 (COMPILE.base, COMPILE): New variables.
2238 (%.o): New pattern rule.
2239 (ALL_HOST_OBJS): New variable.
2240 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
2241 (dummy-checksum.o, cc1-checksum.o): Remove.
2242 (DRIVER_SHLIB): New variable.
2243 (DRIVER_DEFINES): Use it.
2244 (gencondmd.c): Move out of build/.
2245 (s-conditions): Update.
2246 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
2247 (ALL_BUILD_OBJS): Likewise.
2248 (build/%.o): Use BUILDCOMPILE.
2249 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
2250 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
2251 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
2252 build/gencheck.o, build/gencodes.o, build/genconditions.o,
2253 build/genconfig.o, build/genconstants.o, build/genemit.o,
2254 build/genextract.o, build/genflags.o, build/genmddeps.o,
2255 build/genopinit.o, build/genoutput.o, build/genpeep.o,
2256 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
2257 build/gen-protos.o, build/scan.o, build/fix-header.o,
2258 build/scan-decls.o): Simplify.
2259 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
2260 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
2261 prefix.o, toplev.o): Reduce to variable setting.
2262 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
2263 ($(out_object_file), gcc-options.o): New targets.
2264 ($(ALL_HOST_OBJS)): New target. Include dependency files.
2265 * configure: Rebuilt.
2266 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
2267 * doc/sourcebuild.texi (Front End Directory): Document new variable.
2269 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
2271 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
2272 complain when we hit an error, return ERROR_MARK_NODE.
2274 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2276 * config/sh/constraints.md (Pso, Psz): New constraints.
2277 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
2278 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
2280 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2282 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
2283 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
2285 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2287 * config/sh/sh.md (prefetch): Add condition for SH2A target.
2288 (prefetch_sh2a): New.
2290 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
2291 Naveen.H.S <naveen.hs@kpitcummins.com>
2293 * config/sh/constraints.md (I28): New constraint.
2294 * config/sh/sh.c (broken_move): Add support for movi20s.
2295 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
2297 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
2298 Jayant Sonar <Jayant.sonar@kpitcummins.com>
2299 Naveen.H.S <naveen.hs@kpitcummins.com>
2301 * config/sh/sh.c (SH_ATTRIBUTES): Define.
2302 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
2303 (print_operand): Handle resbank in %@ operand code.
2304 (sh_encode_section_info): New.
2305 (push_regs): Add conditions for resbank.
2306 (sh_expand_epilogue): Likewise.
2307 (sh_insert_attributes): Likewise.
2308 (sh_attribute_table): Likewise.
2309 (sh_handle_resbank_handler_attribute): New.
2310 (sh2a_handle_function_vector_handler_attribute): New.
2311 (sh2a_is_function_vector_call): New.
2312 (sh2a_get_function_vector_number): New.
2313 (sh2a_function_vector_p): New.
2314 (sh_cfun_resbank_handler_p): New.
2315 * config/sh/sh.md (calli): Emit jsr/n if possible.
2316 (calli_tbr_rel): New.
2317 (calli_pcrel): Emit jsr/n if possible.
2318 (return_i): Emit rts/n if possible.
2319 (call_valuei_tbr_rel): New.
2320 (call_valuei_pcrel): Add condition for SH2A target.
2321 (call_value): Likewise.
2322 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
2323 (sh2a_get_function_vector_number): Likewise.
2324 (sh2a_is_function_vector_call): Likewise.
2325 * doc/extend.texi: Document TBR relative addressing of SH2A.
2326 (resbank): Add description for SH2A.
2328 2008-03-24 Richard Guenther <rguenther@suse.de>
2331 * gimplify.c (gimplify_modify_expr): For frontend type-correct
2332 pointer assignments change conversions according to middle-end rules.
2333 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
2334 * configure.ac: Include type checking in yes.
2335 * configure: Regenerate.
2337 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2339 * diagnostic.c (diagnostic_count_diagnostic): Delete.
2340 (diagnostic_report_diagnostic): Update. Handle ICEs here.
2342 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
2344 * gthr-vxworks.h (UNUSED): Define.
2346 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
2348 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and
2351 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
2353 * doc/extend.texi (Function Attributes): Add missing comma in the
2354 example of the "alloc_size" attribute.
2356 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
2359 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
2361 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2364 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
2367 * stor-layout.c (update_alignment_for_field): Set minimum alignment
2368 of the underlying type of a MS bitfield layout to the natural
2369 alignment of the type.
2371 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
2373 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
2374 to their natural alignment to avoid store forwarding stalls.
2376 2008-03-22 Richard Guenther <rguenther@suse.de>
2378 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
2379 For PHI nodes verify the address is invariant.
2380 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
2381 (get_symbol_constant_value): Use is_gimple_min_invariant.
2382 (maybe_fold_stmt_indirect): Likewise.
2384 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
2386 PR rtl-optimization/33927
2387 * Makefile.in (dse.o): Depend on $(TM_P_H).
2388 * expr.h (extract_low_bits): Declare.
2389 * expmed.c (extract_low_bits): New function.
2390 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
2391 * dse.c: Include tm_p.h.
2392 (find_shift_sequence): Remove the read_reg argument and return the
2393 read value. Emit the instructions instead of returning them.
2394 Iterate on new_mode rather than calculating it each time.
2395 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
2396 source to NEW_MODE and extract_low_bits to convert the shifted
2398 (replace_read): Allow the load and store to have different mode
2399 classes. Use extract_low_bits when SHIFT == 0. Create the shift
2400 or extraction instructions before trying the replacement. Update
2401 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
2403 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
2405 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
2406 to their natural alignment to avoid store forwarding stalls.
2408 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
2411 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
2412 encouraging but not allowing gprs for input;
2413 change the input constraint to !f#r.
2414 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
2416 change the output constraint to !f#r.
2418 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
2421 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
2422 corresponding post-reload splitters.
2423 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
2424 when x87 FP math is selected.
2425 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
2426 New function prototype.
2427 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
2428 unreachable function to ease macroization of insn patterns.
2430 2008-03-21 Martin Jambor <mjambor@suse.cz>
2432 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
2433 reference dumps if ddr is NULL or dependence is unknown.
2435 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2437 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
2438 unsigned extension into account.
2439 (ATOMIC_COMPARE_AND_SWAP): Likewise.
2440 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
2441 Do computations on a scratch register.
2443 2008-03-21 Richard Guenther <rguenther@suse.de>
2445 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
2446 Use is_gimple_min_invariant instead of TREE_INVARIANT.
2447 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
2448 * tree-ssa-dom.c (record_equality): Likewise.
2449 * tree-inline.c (copy_body_r): Likewise.
2450 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
2453 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2455 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
2456 as 'delete_unused' argument.
2458 2008-03-20 Richard Guenther <rguenther@suse.de>
2460 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2461 special casing of constant qualifiers.
2462 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
2463 care about them in general.
2464 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
2465 regardless of their type.
2466 (fold_stmt_r): Forcefully fold *& if we end up with that.
2468 2008-03-20 Paul Brook <paul@codesourcery.com>
2470 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
2471 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
2473 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
2475 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
2476 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
2478 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
2480 * common.opt (Wmudflap): New option.
2481 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
2482 (mx_register_decls): Likewise.
2483 (mudflap_finish_file): Likewise.
2484 * doc/invoke.texi: Document -Wno-mudflap.
2486 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
2488 * c-format.c (replace_format_name_to_system_name): New.
2490 (convert_format_name_to_system_name): New.
2491 (decode_format_attr): Add use of convert_format_name_to_system_name.
2492 (format_types_orig): Add gnu_ prefix to names.
2493 (check_format_info_main): Special treating of \0 escaped names for
2494 supporting multi-character format specifiers as I32, I64.
2495 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
2496 (gnu_target_overrides_format_attributes): New.
2497 * c-format.h: Add structure target_ovr_attr to hold
2498 system specific formatter names.
2499 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
2500 msformat-c.o file to c_target_objs and cxx_target_objs.
2501 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
2502 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
2503 (TARGET_N_FORMAT_TYPES): New.
2504 * config/i386/msformat-c.c: New.
2505 * config/i386/t-cygming: Add build rule for msformat-c.o.
2506 * doc/extend.texi: Add new format names gnu_* and ms_* and
2508 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
2510 2008-03-20 Ira Rosen <irar@il.ibm.com>
2512 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
2513 optimizations turned on under -O3.
2514 (ftree-vectorize): Add that the flag is turned on with -O3.
2516 2008-03-20 Ben Elliston <bje@au.ibm.com>
2518 * regmove.c (try_auto_increment): Fix spelling error in comment.
2519 * final.c (final_scan_insn): Likewise.
2521 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
2524 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
2525 allocator preferences for "y" and "r" class registers.
2526 ("*mov<mode>_internal"): Ditto.
2527 ("*movv2sf_internal_rex64"): Ditto.
2528 ("*movv2sf_internal"): Ditto.
2530 2008-03-19 Michael Matz <matz@suse.de>
2533 * calls.c (expand_call): Check overlap of arguments with call
2534 address for sibcalls.
2536 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
2539 * stor-layout.c (update_alignment_for_field): Set minimum alignment
2540 of the underlying type of a MS bitfield layout to the natural
2541 alignment of the type.
2543 2008-03-19 Jan Hubicka <jh@suse.cz>
2546 * toplev.c (decode_d_option): Handle all CPP flags.
2547 * tree-vrp.c: Update tree_pass descriptors.
2548 * regrename.c: Update tree_pass descriptors.
2549 * fwprop.c: Update tree_pass descriptors.
2550 * doc/invoke.texi: Remove documentation of dropped -d? flags.
2551 * tree-into-ssa.c: Update tree_pass descriptors.
2552 * tree-dump.c: Update tree_pass descriptors.
2553 * tree-complex.c: Update tree_pass descriptors.
2554 * tree-dump.h: Update tree_pass descriptors.
2555 * see.c: Update tree_pass descriptors.
2556 * cgraphbuild.c: Update tree_pass descriptors.
2557 * tracer.c: Update tree_pass descriptors.
2558 * tree-loop-distribution.c: Update tree_pass descriptors.
2559 * cgraph.c: Update tree_pass descriptors.
2560 * postreload-gcse.c: Update tree_pass descriptors.
2561 * postreload.c: Update tree_pass descriptors.
2562 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
2563 * tree-tailcall.c: Update tree_pass descriptors.
2564 * tree-pass.h (tree_opt_pass): Rename to ...
2565 (opt_pass) ... this one; add "type" field and remove letter field.
2566 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
2567 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
2568 all_lowering_passes): Update declaration.
2569 * ipa-cp.c: Update tree_pass descriptors.
2570 * final.c: Update tree_pass descriptors.
2571 * omp-low.c: Update tree_pass descriptors.
2572 * tree-ssa-dse.c: Update tree_pass descriptors.
2573 * ipa-reference.c: Update tree_pass descriptors.
2574 * tree-ssa-uncprop.c: Update tree_pass descriptors.
2575 * auto-inc-dec.c: Update tree_pass descriptors.
2576 * reorg.c: Update tree_pass descriptors.
2577 * cgraphunit.c: Update tree_pass descriptors.
2578 * tree-ssa-copyrename.c: Update tree_pass descriptors.
2579 * tree-ssa-ccp.c: Update tree_pass descriptors.
2580 * df-core.c: Update tree_pass descriptors.
2581 * mode-switching.c: Update tree_pass descriptors.
2582 * tree-nomudflap.c: Update tree_pass descriptors.
2583 * modulo-sched.c: Update tree_pass descriptors.
2584 * ipa-pure-const.c: Update tree_pass descriptors.
2585 * cse.c: Update tree_pass descriptors.
2586 * web.c: Update tree_pass descriptors.
2587 * tree-stdarg.c: Update tree_pass descriptors.
2588 * tree-ssa-math-opts.c: Update tree_pass descriptors.
2589 * tree-ssa-dom.c: Update tree_pass descriptors.
2590 * tree-nrv.c: Update tree_pass descriptors.
2591 * tree-ssa-alias.c: Update tree_pass descriptors.
2592 * loop-init.c: Update tree_pass descriptors.
2593 * gimple-low.c: Update tree_pass descriptors.
2594 * ipa-inline.c: Update tree_pass descriptors.
2595 * tree-ssa-sink.c: Update tree_pass descriptors.
2596 * global.c: Update tree_pass descriptors.
2597 * ifcvt.c: Update tree_pass descriptors.
2598 * jump.c: Update tree_pass descriptors.
2599 * predict.c: Update tree_pass descriptors.
2600 * tree-ssa-loop.c: Update tree_pass descriptors.
2601 * recog.c: Update tree_pass descriptors.
2602 * dse.c: Update tree_pass descriptors.
2603 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
2604 * tree-eh.c: Update tree_pass descriptors.
2605 * regmove.c: Update tree_pass descriptors.
2607 * function.c: Update tree_pass descriptors.
2608 * tree-vectorizer.c: Update tree_pass descriptors.
2609 * gcse.c: Update tree_pass descriptors.
2610 * ipa-type-escape.c: Update tree_pass descriptors.
2611 * tree-if-conv.c: Update tree_pass descriptors.
2612 * init-regs.c: Update tree_pass descriptors.
2613 * ipa.c: Update tree_pass descriptors.
2614 * tree-ssa-phiopt.c: Update tree_pass descriptors.
2615 * rtl-factoring.c: Update tree_pass descriptors.
2616 * lower-subreg.c: Update tree_pass descriptors.
2617 * bt-load.c: Update tree_pass descriptors.
2618 * tree-dfa.c: Update tree_pass descriptors.
2619 * except.c: Update tree_pass descriptors.
2620 * emit-rtl.c: Update tree_pass descriptors.
2621 * cfgexpand.c: Update tree_pass descriptors.
2622 * tree-cfgcleanup.c: Update tree_pass descriptors.
2623 * cfgcleanup.c: Update tree_pass descriptors.
2624 * tree-ssa-pre.c: Update tree_pass descriptors.
2625 * tree-sra.c: Update tree_pass descriptors.
2626 * tree-mudflap.c: Update tree_pass descriptors.
2627 * tree-ssa-copy.c: Update tree_pass descriptors.
2628 * cfglayout.c: Update tree_pass descriptors.
2629 * tree-ssa-forwprop.c: Update tree_pass descriptors.
2630 * tree-ssa-dce.c: Update tree_pass descriptors.
2631 * tree-ssa.c: Update tree_pass descriptors.
2632 * regclass.c: Update tree_pass descriptors.
2633 * integrate.c: Update tree_pass descriptors.
2634 * tree-optimize.c: Update tree_pass descriptors.
2635 * tree-ssa-phiprop.c: Update tree_pass descriptors.
2636 * tree-object-size.c: Update tree_pass descriptors.
2637 * combine.c: Update tree_pass descriptors.
2638 * tree-outof-ssa.c: Update tree_pass descriptors.
2639 * bb-reorder.c: Update tree_pass descriptors.
2640 * stack-ptr-mod.c: Update tree_pass descriptors.
2641 * var-tracking.c: Update tree_pass descriptors.
2642 * tree-profile.c: Update tree_pass descriptors.
2643 * tree-vect-generic.c: Update tree_pass descriptors.
2644 * reg-stack.c: Update tree_pass descriptors.
2645 * sched-rgn.c: Update tree_pass descriptors.
2646 * tree-ssa-structalias.c: Update tree_pass descriptors.
2647 * tree-cfg.c: Update tree_pass descriptors.
2648 * passes.c (current_pass): Update declaration.
2649 (finish_optimization_passes): Update.
2650 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
2651 (register_one_dump_file, register_dump_files_1, next_pass_1):
2653 (init_optimization_passes): Update handling of new types.
2654 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
2655 * ipa-struct-reorg.c: Update tree_pass descriptors.
2656 * tree-ssa-reassoc.c: Update tree_pass descriptors.
2657 * combine-stack-adj.c: Update tree_pass descriptors.
2658 * cfgrtl.c: Update tree_pass descriptors.
2659 * dce.c: Update tree_pass descriptors.
2660 * tree-ssanames.c: Update tree_pass descriptors.
2662 2008-03-19 Richard Guenther <rguenther@suse.de>
2665 * tree-ssa.c (walk_data): New structure.
2666 (warn_uninitialized_var): If not always_executed warn with "maybe"
2668 (execute_early_warn_uninitialized): Compute post-dominators.
2669 Initialize always_executed before processing each basic block.
2671 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
2674 * config/i386/i386.c (x86_this_parameter): Calculate correct location
2675 of "this" pointer when "regparm = N" or "fastcall" is in effect.
2677 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2679 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
2681 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
2683 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
2685 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
2686 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
2687 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
2688 target after ignore has been set, and move there also the commputation
2689 of subtarget and original_target.
2690 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
2691 (LANG_HOOKS_INITIALIZER): Remove it.
2692 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
2694 2008-03-18 Richard Guenther <rguenther@suse.de>
2696 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
2697 found an expression with constants, note that in the VN for the lhs.
2698 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
2699 fold them to constants if possible. Run cleanup_cfg if done so.
2700 (execute_pre): Return todo.
2702 (execute_fre): Likewise.
2703 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
2705 (get_prop_source_stmt): Look through pointer conversions.
2707 2008-03-18 Jan Hubicka <jh@suse.cz>
2709 * tree-pretty-print.c: Include predict.h.
2710 (dump_generic_node): Dump predictor.
2711 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
2712 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
2713 * gimple-low.c (lower_stmt): Likewise.
2714 * expr.c (expand_expr_real): Likewise.
2715 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
2717 (build_predict_expr, build_predict_expr): New.
2718 * predict.h (predictor_name, build_predict_expr): Update.
2719 * c-typeck.c (c_finish_bc_stmt): Add prediction.
2720 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
2721 * predict.def (PRED_CONTINUE): Update hitrate.
2722 * tree.def (PREDICT_EXPR): Define.
2723 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
2724 do not handle BIND_EXPR.
2725 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
2726 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
2727 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
2730 2008-03-18 Michael Matz <matz@suse.de>
2732 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
2734 2008-03-18 Richard Guenther <rguenther@suse.de>
2736 * tree-gimple.h (is_gimple_invariant_address): Declare.
2737 (is_gimple_constant): Likewise.
2738 * tree-gimple.c (is_gimple_constant): New function.
2739 (is_gimple_invariant_address): Likewise.
2740 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
2741 and is_gimple_invariant_address.
2742 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
2744 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
2745 an addressable base.
2747 2008-03-18 Jakub Jelinek <jakub@redhat.com>
2750 * gimplify.c (gimplify_expr): Gimplify second operand of
2753 2008-03-17 Richard Guenther <rguenther@suse.de>
2755 PR tree-optimization/19637
2756 * fold-const.c (fold_unary): Remove restrictions of removing
2757 intermediate pointer-conversions (P2)(P1)P0.
2758 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
2759 conversion to void pointer.
2760 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
2762 2008-03-16 James E. Wilson <wilson@tuliptree.org>
2765 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
2766 emulated thread local variables.
2768 2008-03-16 Richard Guenther <rguenther@suse.de>
2771 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
2772 expand TREE_INVARIANT operations that are not gimple invariant.
2774 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
2776 * doc/extend.texi (Alignment): Say that the ABI controls
2777 the __alignof__ for non-strict-alignment targets rather
2778 than being a recommendation.
2780 2008-03-15 Paul Brook <paul@codesourcery.com>
2782 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
2784 (arm_output_fn_unwind): Mark functions that can not be unwound.
2786 2008-03-15 Paul Brook <paul@codesourcery.com>
2788 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
2789 extension instructions.
2791 2008-03-15 Richard Guenther <rguenther@suse.de>
2793 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
2794 and fold constant aggregate refs.
2795 (fold_const_aggregate_ref): Handle string constants
2796 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
2797 (evaluate_stmt): Simplify now that ccp_fold folds constant
2800 2008-03-15 Paul Brook <paul@codesourcery.com>
2802 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
2803 (extzv): Use gen_extzv_t2.
2804 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
2806 2008-03-15 Richard Guenther <rguenther@suse.de>
2808 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
2809 (fold_const_aggregate_ref): Likewise.
2810 (get_value): Return NULL if we don't have any values.
2811 (ccp_finalize): Set const_val to NULL after freeing it.
2812 * tree-flow.h (get_symbol_constant_value): Declare.
2813 (fold_const_aggregate_ref): Likewise.
2814 * tree-ssa-sccvn.c (try_to_simplify): Use them.
2816 2008-03-15 Richard Guenther <rguenther@suse.de>
2819 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
2820 to not produce negative array indices if not allowed. Add
2821 parameter to indicate that.
2822 (maybe_fold_offset_to_component_ref): Allow negative array
2823 indices only for the first member of a structure.
2824 (maybe_fold_offset_to_reference): Allow negative array indices.
2825 (maybe_fold_stmt_addition): Likewise.
2827 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
2828 Anatoly Sokolov <aesok@post.ru>
2830 * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
2831 (avr_arch): Add ARCH_AVR6.
2832 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
2833 (initial_elimination_offset): Initialize and use 'avr_pc_size'
2834 instead of fixed value 2.
2835 (print_operand_address): Use gs() asm specifier instead of pm().
2836 (avr_assemble_integer): (Ditto.).
2837 (avr_output_addr_vec_elt): (Ditto.).
2838 (print_operand): Handle "!" code.
2839 * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
2840 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
2841 (AVR_HAVE_EIJMP_EICALL): Define.
2842 (AVR_3_BYTE_PC): Redefine.
2843 (AVR_2_BYTE_PC): (Ditto.).
2844 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
2845 (LINK_SPEC): Add atmega2560 and atmega2561.
2846 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
2848 * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
2849 for 3 byte PC devices.
2850 (call_value_insn): (Ditto.).
2851 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
2852 (indirect_jump): Use only for for 2 byte PC devices.
2853 (*tablejump): (Ditto.).
2854 (*indirect_jump_avr6): Add insn.
2855 (*tablejump_rjmp): Don't use for 3 byte PC devices.
2856 * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
2857 instead of ijmp for 3 byte PC devices.
2858 (__tablejump2__): (Ditto.).
2859 * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
2860 (MULITLIB_DIRNAMES): (Ditto.).
2861 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
2863 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
2865 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
2866 "sse2_umulsidi3". Use V1DI mode for operand 0.
2867 ("mmx_psadbw"): Use V1DI mode for operand 0.
2868 * config/i386/i386-modes.def (V1SI): New vector mode.
2869 * config/i386/i386.c (struct builtin_description)
2870 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
2871 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
2872 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
2873 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
2874 v1di_ftype_v8qi_v8qi type.
2875 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
2877 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
2878 __builtin_ia32_pmuludq]: Fix the mode of return value.
2880 2008-03-15 Richard Guenther <rguenther@suse.de>
2883 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
2886 2008-03-14 Bob Wilson <bob.wilson@acm.org>
2888 * doc/invoke.texi (Option Summary, Xtensa Options): Document
2889 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
2890 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
2891 unless TARGET_SERIALIZE_VOLATILE is enabled.
2892 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
2893 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
2894 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
2896 2008-03-14 Richard Guenther <rguenther@suse.de>
2898 PR tree-optimization/34172
2899 * tree-flow.h (refs_may_alias_p): Declare.
2900 (get_single_def_stmt): Likewise.
2901 (get_single_def_stmt_from_phi): Likewise.
2902 (get_single_def_stmt_with_phi): Likewise.
2903 * tree-dfa.c (refs_may_alias_p): New function.
2904 (get_single_def_stmt): Likewise.
2905 (get_single_def_stmt_from_phi): Likewise.
2906 (get_single_def_stmt_with_phi): Likewise.
2907 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
2908 (vn_reference_lookup_1): New helper function.
2909 (vn_reference_lookup): Walk the virtual use-def chain to
2910 continue searching for a match if the def does not alias the
2911 reference we are looking for.
2913 2008-03-14 David Edelsohn <edelsohn@gnu.org>
2915 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
2916 archive and Perzl. Update The Written Word listing.
2918 2008-03-14 Richard Guenther <rguenther@suse.de>
2920 PR tree-optimization/34043
2921 PR tree-optimization/33989
2922 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
2924 (bitmap_find_leader): Use extra argument to verify dominance
2925 relationship inside a basic-block.
2926 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
2927 (find_leader_in_sets): Adjust.
2928 (create_component_ref_by_pieces): Take extra argument for
2929 dominance check, handle lookup failures.
2930 (find_or_generate_expression): Likewise.
2931 (create_expression_by_pieces): Likewise.
2932 (insert_into_preds_of_block): Adjust.
2933 (create_value_expr_from): If asked for, verify all operands
2934 are in the blocks AVAIL_OUT set.
2935 (make_values_for_stmt): Check for SSA_NAMEs that are life
2936 over an abnormal edge.
2937 (compute_avail): Remove such check.
2938 (do_SCCVN_insertion): New function.
2939 (eliminate): If we do not find a leader suitable for replacement
2940 insert a replacement expression from SCCVN if available.
2941 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
2942 (struct vn_ssa_aux): Add needs_insertion flag.
2943 * tree-ssa-sccvn.c (may_insert): New global flag.
2944 (copy_reference_ops_from_ref): Value-number union member access
2945 based on its size, not type and member if insertion is allowed.
2946 (visit_reference_op_load): For a weak match from union type
2947 punning lookup a view-converted value and insert a SSA_NAME
2948 for that value if that is not found.
2949 (visit_use): Make dumps shorter. Do not disallow value numbering
2950 SSA_NAMEs that are life over an abnormal edge to constants.
2951 (free_scc_vn): Release inserted SSA_NAMEs.
2952 (run_scc_vn): New flag to specify whether insertion is allowed.
2953 Process SSA_NAMEs in forward order.
2954 * tree-ssa-loop-im.c (for_each_index): Handle invariant
2955 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
2956 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
2957 pointer type to/from integral types that do not change the
2958 precision to regular conversions.
2960 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
2962 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2963 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2964 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
2965 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
2966 input arguments and the mode of return value. Built-in functions
2967 that operate on whole 64-bit MMX register now use V1DI mode.
2969 2008-03-13 Alon Dayan <alond@il.ibm.com>
2970 Olga Golovanevsky <olga@il.ibm.com>
2972 PR tree-optimization/35041
2973 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
2974 to locate the right position in a statement.
2976 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
2980 * config/i386/xmmintrin.h: Change all static inline functions to
2981 extern inline and add __gnu_inline__ attribute.
2982 * config/i386/bmintrin.h: Ditto.
2983 * config/i386/smmintrin.h: Ditto.
2984 * config/i386/tmmintrin.h: Ditto.
2985 * config/i386/mmintrin-common.h: Ditto.
2986 * config/i386/ammintrin.h: Ditto.
2987 * config/i386/emmintrin.h: Ditto.
2988 * config/i386/pmmintrin.h: Ditto.
2989 * config/i386/mmintrin.h: Ditto.
2990 * config/i386/mm3dnow.h: Ditto.
2992 2008-03-13 Jakub Jelinek <jakub@redhat.com>
2995 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
2996 (lower_omp_2): New function.
2997 (lower_omp_1, lower_omp): Rewritten.
2999 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
3002 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
3003 with the phrase "Microsoft Windows compilers".
3004 (Push/Pop Macro Pragmas): New subsection. Document
3005 #pragma push_macro and pragma pop_macro.
3007 2008-03-12 Paul Brook <paul@codesourcery.com>
3009 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
3011 2008-03-12 Paul Brook <paul@codesourcery.com>
3013 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
3014 (thumb2_alusi3_short): Exclude PLUS and MINUS.
3015 (thumb2_addsi_shortim): Rename ...
3016 (thumb2_addsi_short): ... to this. Allow register operands.
3017 (thumb2_subsi_short): New pattern.
3018 (thumb2_one_cmplsi2_short,
3019 thumb2_negsi2_short): New patterns and peepholes.
3021 2008-03-12 Paul Brook <paul@codesourcery.com>
3023 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
3025 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
3027 * config/i386/i386.md (int_cond): New code iterator.
3029 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
3030 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
3031 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
3032 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
3033 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
3034 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
3035 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
3036 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
3038 2008-03-12 Paul Brook <paul@codesourcery.com>
3040 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
3041 instead of {arm,thumb}_compute_save_reg_mask.
3042 (output_return_instruction): Ditto.
3043 (thumb_unexpanded_epilogue): Ditto.
3044 (thumb1_expand_prologue): Ditto.
3045 (thumb1_output_function_prologue): Ditto.
3046 (arm_set_return_address): Ditto.
3047 (thumb_set_return_address): Ditto.
3048 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
3049 regs to achieve stack alignment.
3050 (thumb1_compute_save_reg_mask): Fix compiler warning.
3051 (arm_output_epilogue): Use offsets->saved_regs_mask.
3052 Adjust stack pointer by poping call clobered registers.
3053 (arm_expand_prologue): Use offsets->saved_regs_mask.
3054 Adjust stack pointer by pushing extra registers.
3055 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
3057 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
3060 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
3061 conversion to the operands of a multiplication.
3063 2008-03-12 Richard Guenther <rguenther@suse.de>
3065 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
3066 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
3067 * timevar.def (TV_TREE_PHIPROP): Add.
3068 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
3069 pass description. Use TV_TREE_PHIPROP.
3070 * tree-ssa-forwprop.c: Remove phiprop code.
3072 2008-03-12 Jakub Jelinek <jakub@redhat.com>
3075 * omp-low.c (maybe_lookup_decl): Constify first argument.
3076 (use_pointer_for_field): Change last argument from bool to
3077 omp_context *. Disallow shared copy-in/out in nested
3078 parallel if decl is shared in outer parallel too.
3079 (build_outer_var_ref, scan_sharing_clauses,
3080 lower_rec_input_clauses, lower_copyprivate_clauses,
3081 lower_send_clauses, lower_send_shared_vars): Adjust callers.
3083 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
3084 Ira Rosen <irar@il.ibm.com>
3086 * tree-vectorizer.c (free_stmt_vec_info): New function.
3087 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
3088 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
3089 * tree-vectorizer.h (free_stmt_vec_info): Declare.
3090 * tree-vect-transform.c (vectorizable_conversion): Free
3091 vec_oprnds0 if it was allocated.
3092 (vect_permute_store_chain): Remove unused VECs.
3093 (vectorizable_store): Free VECs that are allocated in the..
3095 (vect_transform_strided_load, vectorizable_load): Likewise.
3096 (vect_remove_stores): Simplify the code.
3097 (vect_transform_loop): Move code to vect_remove_stores().
3098 Call vect_remove_stores() and free_stmt_vec_info().
3100 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3102 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
3103 TARGET_HPUX. Revise comment.
3104 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
3105 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
3106 Use sr4 variant of `be' instruction when not generating PIC code.
3107 (attr_length_call): Adjust for above change.
3109 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3111 * ipa-reference.c (static_execute): Remove module_statics_const and
3112 associated setting code.
3114 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
3117 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
3118 predicate for operand 1.
3119 (paritysi2_cmp): Use register_operand predicate for operand 2.
3120 Use earlyclobber modifier for operand 1. Remove support for
3122 (paritydi2_cmp): Use register_operand predicate for operand 3.
3123 Use earlyclobber modifier for operand 1. Remove support for
3126 2008-03-11 Paul Brook <paul@codesourcery.com>
3127 Vladimir Prus <vladimir@codesourcery.com>
3129 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
3130 (arm_compute_save_reg0_reg12_mask): Always
3131 check if register 11 must be saved. Always safe hard frame pointer
3132 when frame_pointer_needeed.
3133 (arm_compute_save_reg_mask): Save IP and PC
3134 only with apcs frames.
3135 (arm_output_epilogue): Adjust Thumb2 codepath to
3136 be also invoked and work for ARM non-apcs frames.
3137 (arm_expand_prologue): Don't bother saving IP
3138 for non-apcs frame, since it's not clobbered by
3139 prologue code. Implement non-apcs frame
3142 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
3144 PR rtl-optimization/35281
3145 * expr.c (convert_move): Use a new pseudo for the intermediate
3146 from_mode->word_mode result.
3148 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
3150 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
3151 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
3152 * toplev.c (compile_file): Don't call it.
3154 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
3157 * expr.c (store_expr): Call emit_block_move if the mode
3158 of "temp" RTX is BLKmode.
3160 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3161 Richard Guenther <rguenther@suse.de>
3163 PR tree-optimization/31358
3164 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
3165 the step with a NULL_TREE.
3166 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
3167 to sizetype if type is a pointer type.
3168 (add_candidate_1): Don't convert the base and step to
3169 the generic type if the orginal type is a pointer type.
3170 (add_iv_value_candidates): Use sizetype for the step
3171 if type is a pointer type.
3172 (cand_value_at): Likewise.
3173 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
3175 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
3176 Don't convert the tem affine to the type.
3177 (add_elt_to_tree): Use sizetype for the step if a pointer.
3178 Use POINTER_PLUS_EXPR for pointers.
3179 (aff_combination_to_tree): Use sizetype for the step if a
3182 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
3184 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
3185 Remove commutativity hint.
3187 2008-03-10 Jakub Jelinek <jakub@redhat.com>
3191 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
3192 errorneous type. Check that v is a VAR_DECL.
3195 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
3197 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
3199 PR tree-optimization/35494
3200 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
3201 may be overriden at link and run time.
3203 2008-03-10 Richard Guenther <rguenther@suse.de>
3205 PR tree-optimization/34677
3206 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
3207 (poolify_tree): Likewise.
3208 (modify_expr_template): Likewise.
3209 (poolify_modify_stmt): Likewise.
3210 (insert_fake_stores): Handle all component-ref style stores
3211 in addition to INDIRECT_REF. Also handle complex types.
3212 Do not poolify the inserted load.
3213 (realify_fake_stores): Do not rebuild the tree but only
3214 make it a SSA_NAME copy.
3215 (init_pre): Remove initialzation of modify_expr_template.
3216 Do not allocate modify_expr_node_pool.
3217 (fini_pre): Do not free modify_expr_node_pool.
3219 2008-03-10 Paul Brook <paul@codesourcery.com>
3221 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
3224 2008-03-10 Paul Brook <paul@codesourcery.com>
3225 Mark Shinwell <shinwell@codesourcery.com>
3227 * config/arm/cortex-r4.md: New.
3228 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
3230 * config/arm/arm.md: Include cortex-r4.md.
3231 (insn): Add smmls, sdiv and udiv values.
3232 (generic_sched): Don't use generic scheduling for Cortex-R4.
3233 (arm_issue_rate): New function.
3234 (TARGET_SCHED_ISSUE_RATE): Define.
3236 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
3238 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
3240 2008-03-10 Richard Guenther <rguenther@suse.de>
3242 * tree-ssa-pre.c (get_sccvn_value): Simplify.
3243 (compute_avail): Do not add stmt uses to AVAIL_OUT.
3245 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
3247 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
3248 Set default to true.
3250 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3252 * c.opt (Wsynth): Deprecate.
3253 * doc/invoke.texi (Option Summary, Warning Options): Document
3254 -Wno-format-contains-nul.
3256 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
3259 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
3260 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
3262 2008-03-09 Ira Rosen <irar@il.ibm.com>
3264 * config/rs6000/rs6000.c (builtin_description): Rename vector
3265 left shift operations.
3266 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
3267 (altivec_vsl<VI_char>): Rename to ...
3268 (ashl<mode>3): ... new name.
3269 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
3271 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
3273 2008-03-08 Richard Guenther <rguenther@suse.de>
3275 * coverage.h (tree_coverage_counter_addr): Declare.
3276 * coverage.c (tree_coverage_counter_addr): New function.
3277 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
3279 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
3280 (tree_gen_one_value_profiler): Likewise.
3281 (tree_gen_ic_profiler): Likewise.
3282 (tree_gen_average_profiler): Likewise.
3283 (tree_gen_ior_profiler): Likewise.
3285 2008-03-08 Richard Guenther <rguenther@suse.de>
3287 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
3288 (vn_binary_op_insert): Likewise.
3289 (vn_unary_op_lookup): Likewise.
3290 (vn_unary_op_insert): Likewise.
3291 (vn_nary_op_lookup): Declare.
3292 (vn_nary_op_insert): Likewise.
3293 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
3294 and binary hashes, use a single obstack for unary_op_pool
3296 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
3297 a single struct vn_nary_op_s. Store tree code length and
3298 a variable number of operands.
3299 (struct vn_reference_op_struct): Remove unused op2.
3300 (vn_reference_op_eq): Do not compare op2.
3301 (vn_reference_op_compute_hash): Do not compute hash of op2.
3302 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
3303 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
3304 with vn_nary_op_compute_hash.
3305 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
3306 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
3308 (vn_unary_op_insert, vn_binary_op_insert): Replace with
3310 (visit_unary_op): Call nary functions.
3311 (visit_binary_op): Likewise.
3312 (process_scc): Adjust for struct vn_tables_s changes.
3313 (allocate_vn_table): Likewise.
3314 (free_vn_table): Likewise.
3315 * tree-vn.c (vn_add): Call nary functions.
3316 (vn_lookup): Likewise.
3318 2008-03-08 Jakub Jelinek <jakub@redhat.com>
3321 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
3322 wdst back after sync_compare_and_swapqhi_internal.
3324 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
3327 * config/i386/i386-modes.def (V1DI): New vector mode.
3328 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
3329 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
3330 (MMXMODE248): Ditto.
3331 (MMXMODE): Add V1DI mode.
3332 (mmxvecsize): Change DI mode to V1DI mode.
3333 ("mov<mode>): Use MMXMODEI8 mode iterator.
3334 ("*mov<mode>_internal_rex64"): Ditto.
3335 ("*mov<mode>_internal"): Ditto.
3336 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
3337 ("mmx_sub<mode>3"): Ditto.
3338 ("mmx_adddi3"): Remove insn pattern.
3339 ("mmx_subdi3"): Ditto.
3340 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
3341 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
3342 ("mmx_ashl<mode>3"): Ditto.
3343 ("mmx_lshrdi3"): Remove insn pattern.
3344 ("mmx_ashldi3"): Ditto.
3345 * config/i386/i386.c (classify_argument): Handle V1DImode.
3346 (function_arg_advance_32): Ditto.
3347 (function_arg_32): Ditto.
3348 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
3349 mmx_addv1di3 insn pattern.
3350 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
3351 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
3352 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
3353 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
3354 Remove definitions of built-in functions.
3355 (V1DI_type_node): New node.
3356 (v1di_ftype_v1di_int): Ditto.
3357 (v1di_ftype_v1di_v1di): Ditto.
3358 (v2si_ftype_v2si_si): Ditto.
3359 (v4hi_ftype_v4hi_di): Remove node.
3360 (v2si_ftype_v2si_di): Ditto.
3361 (ix86_init_mmx_sse_builtins): Handle V1DImode.
3362 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
3363 Redefine builtins using def_builtin_const with *_ftype_*_int node.
3364 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
3365 Add new builtins using def_builtin_const.
3366 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
3367 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
3368 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
3369 * config/i386/mmintrin.h (__v1di): New typedef.
3370 (_mm_add_si64): Cast arguments to __v1di type.
3371 (_mm_sub_si64): Ditto.
3372 (_mm_sll_pi16): Cast __count to __v4hi type.
3373 (_mm_sll_pi32): Cast __count to __v2si type.
3374 (_mm_sll_si64): Cast arguments to __v1di type.
3375 (_mm_srl_pi16): Cast __count to __v4hi type.
3376 (_mm_srl_pi32): Cast __count to __v2si type.
3377 (_mm_srl_si64): Cast arguments to __v1di type.
3378 (_mm_sra_pi16): Cast __count to __v4hi type.
3379 (_mm_sra_pi32): Cast __count to __v2si type.
3380 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
3381 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
3382 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
3383 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
3384 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
3385 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
3386 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
3387 (_mm_srai_pi32): Use __builtin_ia32_psradi.
3388 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
3389 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
3390 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
3391 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
3393 2008-03-07 Joseph Myers <joseph@codesourcery.com>
3395 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
3397 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
3400 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
3401 reg+const addressing for Altivec modes. Don't generate reg+reg
3402 addressing for TFmode or TDmode quantities.
3404 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
3406 * c-common.c (vector_types_convertible_p): Call langhook
3407 instead of comptypes.
3409 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3412 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
3413 integral and scalar float variables which have a
3416 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
3418 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
3419 dwarf_register_span hook when emitting unwind information for
3420 register-to-memory saves.
3421 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
3422 (rs6000_frame_related): Remove call to spe_synthesize_frame.
3424 2008-03-06 Jakub Jelinek <jakub@redhat.com>
3426 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
3427 for the same VAR_DECL.
3429 2008-03-06 Tom Tromey <tromey@redhat.com>
3432 * doc/standards.texi (Standards): Don't mention treelang.
3433 * doc/invoke.texi (Overall Options): Don't mention treelang.
3434 * doc/install.texi (Prerequisites): Don't mention bison or
3436 (Configuration): Don't mention treelang.
3437 (Building): Likewise.
3438 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
3440 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
3442 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
3443 word-extractions out of a multi-word object.
3445 2008-03-06 Richard Guenther <rguenther@suse.de>
3447 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
3448 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
3449 result type and precision.
3450 * expr.c (get_inner_reference): Set unsignedp based on the result
3451 type of BIT_FIELD_REF.
3452 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
3453 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
3454 (try_instantiate_multiple_fields): Likewise. Use the correct type
3456 (sra_build_assignment): Likewise.
3457 (sra_build_elt_assignment): Likewise.
3458 (sra_explode_bitfield_assignment): Likewise.
3459 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
3460 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
3461 set BIT_FIELD_REF_UNSIGNED.
3462 (vectorizable_load): Likewise.
3464 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
3466 * cse.c (cse_extended_basic_block): Invalidate artificial defs
3469 2008-03-06 Richard Guenther <rguenther@suse.de>
3471 * alias.c (struct alias_set_entry): Move has_zero_child field
3472 to pack with alias_set.
3474 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
3476 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3479 2008-03-05 Ian Lance Taylor <iant@google.com>
3481 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
3483 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
3485 * fwprop.c (update_df): Support width and offset parameters of
3487 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
3488 global_conflicts): Change DF_REF_EXTRACT to either
3489 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3490 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3491 * df-scan.c (df_ref_record, df_defs_record,
3492 df_ref_create_structure, df_def_record_1, df_uses_record,
3493 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
3494 df_bb_refs_collect, df_entry_block_defs_collect,
3495 df_exit_block_uses_collect): Support new width and offset fields.
3496 (ref_extract_pool): New storage pool.
3497 (df_free_ref): New function.
3498 (df_reg_chain_unlink, df_free_collection_rec,
3499 df_sort_and_compress_refs): Call df_free_ref.
3500 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
3502 (df_ref_create_structure): Allocate df_ref_extract if offset and
3503 width fields are used.
3504 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
3505 (df_uses_record): Get offset and width from ZERO_EXTRACT
3507 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
3508 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3509 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3510 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
3511 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3512 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3513 (df_ref_extract): New structure.
3514 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
3515 (df_ref_create): Add width and offset parameters.
3517 2008-03-05 Richard Guenther <rguenther@suse.de>
3519 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3520 Use ranges_overlap_p.
3521 (offset_overlaps_with_access): Rename
3522 to ranges_overlap_p and move ...
3523 * tree-flow-inline.h (ranges_overlap_p): ... here.
3525 * tree.h (get_inner_reference, handled_component_p): Update
3528 * tree.h (record_component_aliases, get_alias_set,
3529 alias_sets_conflict_p, alias_sets_must_conflict_p,
3530 objects_must_conflict_p): Move declarations ...
3531 * alias.h (record_component_aliases, get_alias_set,
3532 alias_sets_conflict_p, alias_sets_must_conflict_p,
3533 objects_must_conflict_p): ... here.
3534 Include coretypes.h.
3535 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
3537 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
3539 * cfg.c: Include tree-flow.h.
3540 (remove_edge_raw): Call redirect_edge_var_map_clear.
3541 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
3542 * tree-flow-inline.h (redirect_edge_var_map_def): New.
3543 (redirect_edge_var_map_result): New.
3544 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
3545 PENDING_STMT use with redirect_edge_var_map_*.
3546 * tree-ssa.c (edge_var_maps): New definition.
3547 (redirect_edge_var_map_add): New.
3548 (redirect_edge_var_map_clear): New.
3549 (redirect_edge_var_map_dup): New.
3550 (redirect_edge_var_map_vector): New.
3551 (redirect_edge_var_map_destroy): New.
3552 (ssa_redirect_edge): Replace PENDING_STMT use with
3553 redirect_edge_var_map_*.
3554 (flush_pending_stmts): Same.
3555 (delete_tree_ssa): Destroy edge var map.
3556 * tree-flow.h (struct _edge_var_map): New.
3557 Define edge_var_map vector type.
3558 Declare redirect_edge_var_map_* prototypes.
3559 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
3560 * tree-cfg.c (reinstall_phi_args): Replace
3561 PENDING_STMT use with redirect_edge_var_map_*.
3563 2008-03-05 Richard Guenther <rguenther@suse.de>
3565 PR tree-optimization/35472
3566 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
3567 whose single use_stmt has a overlapping set of loaded and
3568 stored symbols as that use_stmt might be a noop assignment then.
3570 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3572 * gthr-rtems.h: Implement __gthread_mutex_destroy.
3574 2008-03-05 Richard Guenther <rguenther@suse.de>
3577 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
3578 should be constants.
3579 * tree-cfg.c (verify_expr): Verify it.
3580 * fold-const.c (fold_truthop): Remove code generating
3581 BIT_FIELD_REFs of structure bases.
3582 (fold_binary): Likewise.
3583 (fold_ternary): Position and size of BIT_FIELD_REFs are
3584 always host integers.
3585 (make_bit_field_ref): Remove.
3586 (optimize_bit_field_compare): Remove.
3587 (all_ones_mask_p): Remove.
3589 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
3592 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
3593 (split_block_and_df_analyze): New. Split basic block and rebuild
3595 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
3597 (split_pattern_seq): Likewise.
3598 (erase_matching_seqs): Likewise.
3599 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
3601 2008-03-04 Geoff Keating <geoffk@apple.com>
3603 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
3604 declaration and code.
3605 (tree_invalid_nonnegative_warnv_p): Likewise.
3607 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3609 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
3610 examples. Truncate option-names then causing overfull hbox.
3612 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3615 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
3617 * configure: Rebuilt.
3619 2008-03-04 Rafael Espindola <espindola@google.com>
3621 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
3622 (tree_unary_nonnegative_warnv_p): New.
3623 (tree_binary_nonnegative_warnv_p): New.
3624 (tree_single_nonnegative_warnv_p): New.
3625 (tree_invalid_nonnegative_warnv_p): New.
3626 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
3628 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3631 * opts.c (handle_option): Postpone 'unknown option' errors only for
3634 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
3637 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
3640 2008-03-04 Rafael Espindola <espindola@google.com>
3642 * fold-const.c (tree_unary_nonzero_warnv_p): New.
3643 (tree_binary_nonzero_warnv_p): New.
3644 (tree_single_nonzero_warnv_p): New.
3645 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
3647 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
3650 * fold-const.c (fold_cond_expr_with_comparison): Prevent
3651 transformations for modes that have signed zeros.
3652 * ifcvt.c (noce_try_abs): Ditto.
3654 2008-03-04 Joseph Myers <joseph@codesourcery.com>
3656 * config/i386/i386.c (override_options): Force
3657 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
3659 2008-03-04 Jan Hubicka <jh@suse.cz>
3662 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
3665 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
3667 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
3668 label to probe the stack.
3670 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
3672 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
3673 (__gthr_win32_mutex_destroy): Declare.
3674 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
3675 __gthr_win32_mutex_destroy.
3676 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
3678 2008-03-03 Jan Hubicka <jh@suse.cz>
3681 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
3682 aggressive on inlining cold calls.
3684 2008-03-03 Richard Guenther <rguenther@suse.de>
3686 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
3687 struct copies into the expression table.
3688 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
3689 (try_to_simplify): Likewise.
3690 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
3691 integral and pointer arguments which do not change the
3692 precision to NOP_EXPRs.
3693 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
3694 VIEW_CONVERT_EXPR case.
3696 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
3698 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
3699 defined in a loop at depth 0 is invariant.
3700 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
3701 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
3702 be called at loop depth 0.
3704 2008-03-02 Jakub Jelinek <jakub@redhat.com>
3707 * gcc.c (process_command): Update copyright notice dates.
3708 * gcov.c (print_version): Likewise.
3709 * gcov-dump.c (print_version): Likewise.
3710 * mips-tfile.c (main): Likewise.
3711 * mips-tdump.c (main): Likewise.
3713 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3716 * c-common.c (flag_permissive): Delete.
3717 (constant_expression_warnings): Check flags first.
3718 (constant_expression_error): New.
3719 * c-common.h (flag_permissive): Delete.
3720 (constant_expression_error): Declare.
3721 * flags.h (flag_permissive): Declare. Update description.
3722 * diagnostic.c (pedwarn): Update.
3724 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
3725 (permissive_error_kind): New.
3726 * toplev.c (flag_permissive): Define. Update description.
3727 * toplev.h (permissive_error_kind): Declare.
3728 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
3729 (pedwarn_c90): Use pedantic_warning_kind.
3730 * c-opts.c (c_common_post_options): flag_permissive does not affect
3731 flag_pedantic_errors.
3733 2008-03-02 Joseph Myers <joseph@codesourcery.com>
3735 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
3736 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
3737 __absvsi2, __absvDI2): Use unsigned arithmetic.
3739 2008-03-02 Andi Kleen <ak@suse.de>
3740 Richard Guenther <rguenther@suse.de>
3742 * struct-equiv.c: Remove file.
3743 * cfg_cleanup.c (condjump_equiv_p): Remove.
3744 * Makefile.in (OBJS-common): Remove struct-equiv.o.
3745 (struct-equiv.o): Remove rule.
3746 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
3747 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
3748 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
3750 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3752 * ifcvt.c (noce_process_if_block): Try to handle only the then
3753 block if the else block exists but isn't suitable.
3755 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
3758 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
3759 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
3760 regression from previous patch.
3762 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
3765 * gthr.h: Add __gthread_mutex_destroy as a function that must be
3767 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
3768 * gthr-single.h (__gthread_mutex_destroy): Likewise.
3769 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
3770 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
3771 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
3772 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
3773 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
3774 (__gthread_mutex_destroy_function): Rename to
3775 __gthread_mutex_destroy.
3776 * gthr-dce.h (__gthread_mutex_destroy): Call
3777 pthread_mutex_destroy.
3778 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
3779 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
3780 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
3782 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3784 * df-scan.c (df_ref_chain_change_bb): Simplify.
3785 (df_insn_change_bb): Add new_bb argument. Simplify. Call
3786 set_block_for_insn if there's any change.
3787 * df.h ((df_insn_change_bb): Fix prototype.
3788 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
3789 df_insn_change_bb, don't call set_block_for_insn.
3790 * emit-rtl.c (reorder_insns): Likewise.
3791 * haifa-sched.c (move_insn): Likewise.
3793 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3795 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
3797 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3799 * tree-flow-inline.h (next_readonly_imm_use): Return
3800 NULL_USE_OPERAND_P after the end.
3802 2008-03-01 Richard Guenther <rguenther@suse.de>
3804 PR tree-optimization/35411
3805 * tree-sra.c (sra_build_assignment): Split conversion to
3806 final type to a separate statement if we are not assigning
3809 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3811 * fold-const.c (fold_convertible_p): Correct the logic to follow
3812 that in fold_convert().
3814 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
3817 * tree-inline.c (build_duplicate_type): When we make a
3818 duplicate type, make it unique in the canonical types system.
3820 2008-02-29 Tom Tromey <tromey@redhat.com>
3822 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
3823 input_file_stack_history, input_file_stack_restored): Remove.
3824 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3825 * input.h (struct file_stack): Remove.
3826 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3827 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
3829 * diagnostic.h (struct diagnostic_context) <last_module>: Change
3831 (diagnostic_last_module_changed): Add 'map' argument.
3832 (diagnostic_set_last_function): Likewise.
3833 * diagnostic.c (undiagnostic_report_current_module): Iterate using
3834 line map, not input_file_stack.
3835 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
3837 2008-02-29 Paul Brook <paul@codesourcery.com>
3839 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
3841 2008-02-29 Paul Brook <paul@codesourcery.com>
3843 * config/arm/ieee754-df.S (muldf3): Use RET macros.
3845 2008-02-29 Richard Guenther <rguenther@suse.de>
3847 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
3849 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
3850 value for comparing for a store match.
3851 (simplify_unary_expression): Do nothing for SSA_NAMEs.
3852 (try_to_simplify): Do not do a full-blown reference lookup.
3854 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
3856 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
3857 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3859 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
3861 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
3863 * tree-loop-linear.c (try_interchange_loops): Compare memory access
3864 strides against cache sizes.
3866 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
3868 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
3871 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
3873 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
3874 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
3875 is smaller than the original promoted value.
3876 (simplify_subreg): If OP is a SUBREG, try to preserve its
3877 SUBREG_PROMOTED_VAR_P information.
3879 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3881 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
3882 (VN_INFO_GET): Allocate new objects on the obstack.
3883 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
3884 for rpo_numbers_temp, for consistency.
3885 (free_scc_vn): Free the obstack.
3887 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
3889 * doc/invoke.texi: Document -ftree-loop-distribution.
3890 * tree-loop-distribution.c: New.
3891 * tree-pass.h (pass_loop_distribution): New.
3892 * graphds.h (struct graph): Add htab_t indices.
3893 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
3894 * tree-vectorizer.c (rename_variables_in_loop): Extern.
3895 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
3896 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
3897 * tree-data-ref.c (debug_data_dependence_relations): New.
3898 (dump_data_dependence_relation): Also print data references.
3899 (free_data_ref): Extern.
3900 (same_access_functions): Moved...
3901 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
3902 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3903 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
3904 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
3905 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
3906 (stmts_from_loop): Skip LABEL_EXPR.
3907 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
3909 (build_rdg): Initialize rdg->indices htab.
3910 (free_rdg, stores_from_loop, ref_base_address,
3911 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
3912 have_similar_memory_accesses_1, ref_base_address_1,
3913 remove_similar_memory_refs): New.
3914 * tree-data-ref.h: Depend on tree-chrec.h.
3915 (debug_data_dependence_relations, free_data_ref): Declared.
3916 (same_access_functions): ... here.
3917 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
3919 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
3920 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
3921 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
3922 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3923 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
3924 rdg_vertex_for_stmt): Declared.
3925 (struct rdg_edge): Add level.
3927 (free_rdg, stores_from_loop, remove_similar_memory_refs,
3928 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
3930 (rdg_has_similar_memory_accesses): New.
3931 * tree-vect-analyze.c: Remove unused static decls.
3932 * lambda.h (dependence_level): New.
3933 * common.opt (ftree-loop-distribution): New.
3934 * tree-flow.h (mark_virtual_ops_in_bb,
3935 slpeel_tree_duplicate_loop_to_edge_cfg,
3936 rename_variables_in_loop): Declared.
3937 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
3938 (OBJS-common): Add tree-loop-distribution.o.
3939 (tree-loop-distribution.o): New rule.
3940 * tree-cfg.c (mark_virtual_ops_in_bb): New.
3941 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
3942 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
3944 2008-02-28 Joseph Myers <joseph@codesourcery.com>
3947 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
3948 other than structures and unions.
3950 2008-02-28 Richard Guenther <rguenther@suse.de>
3953 2008-02-26 Richard Guenther <rguenther@suse.de>
3955 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3956 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3957 (lookup_decl_from_uid): Declare.
3958 (remove_decl_from_map): Likewise.
3959 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3960 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3961 (decl_for_uid_map): New global hashtable mapping DECL_UID
3963 (init_ttree): Allocate it.
3964 (insert_decl_to_uid_decl_map): New helper function.
3965 (make_node_stat): Insert new decls into the map.
3966 (copy_node_stat): Likewise.
3967 (lookup_decl_from_uid): New function.
3968 (remove_decl_from_map): Likewise.
3969 (print_decl_for_uid_map_statistics): New helper.
3970 (dump_tree_statistics): Call it.
3972 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3973 (referenced_var_iterator): Adjust.
3974 (FOR_EACH_REFERENCED_VAR): Adjust.
3975 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3976 (num_referenced_vars): Adjust.
3977 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3978 (first_referenced_var): Remove.
3979 (end_referenced_vars_p): Likewise.
3980 (next_referenced_var): Likewise.
3981 (referenced_var_iterator_set): New helper function.
3982 * tree-dfa.c (referenced_var_lookup): Adjust.
3983 (referenced_var_check_and_insert): Likewise.
3984 (remove_referenced_var): Likewise.
3985 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3986 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3987 (verify_call_clobbering): Likewise.
3988 (verify_memory_partitions): Likewise.
3989 (init_tree_ssa): Allocate bitmap instead of hashtable for
3991 (delete_tree_ssa): Adjust.
3992 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3993 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3994 (compute_tag_properties): Likewise.
3995 (set_initial_properties): Likewise.
3996 (find_partition_for): Likewise.
3997 (update_reference_counts): Likewise.
3998 (dump_may_aliases_for): Likewise.
3999 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4000 (add_call_clobber_ops): Likewise.
4001 (add_call_read_ops): Likewise.
4002 (get_asm_expr_operands): Likewise.
4003 * tree-into-ssa.c (dump_decl_set): Likewise.
4004 (update_ssa): Likewise.
4005 * tree-sra.c (scan_function): Likewise.
4006 (decide_instantiations): Likewise.
4007 (scalarize_parms): Likewise.
4008 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4009 (dsa_named_for): Likewise.
4010 * tree-ssa-structalias.c (update_alias_info): Likewise.
4011 (merge_smts_into): Likewise.
4013 2008-02-27 David Daney <ddaney@avtrex.com>
4016 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
4017 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
4018 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
4019 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
4020 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
4022 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
4025 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
4026 (BUILT_IN_NEXTTOWARD): Remove.
4027 (BUILT_IN_NEXTTOWARDF): Ditto.
4028 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
4029 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
4031 2008-02-27 Tom Tromey <tromey@redhat.com>
4033 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
4034 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
4036 2008-02-27 Jan Beulich <jbeulich@novell.com>
4038 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
4039 update the respective field on newdecl.
4041 2008-02-27 Revital Eres <eres@il.ibm.com>
4043 PR rtl-optimization/34999
4044 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
4045 crossing edges that ends with a call insn.
4046 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
4047 call insn and clear the EDGE_CROSSING flag of the crossing edge
4048 when fixing fallthru edges.
4050 2008-02-27 Richard Guenther <rguenther@suse.de>
4053 * fold-const.c (fold_unary): Return the correct argument,
4054 converted to the result type.
4056 2008-02-27 Richard Guenther <rguenther@suse.de>
4059 * expr.c (expand_expr_real_1): Assert on rotates that operate
4061 * fold-const.c (fold_binary): Use the types precision, not the
4062 bitsize of the mode if folding rotate expressions. Build rotates
4063 only for full modes.
4065 2008-02-27 Jakub Jelinek <jakub@redhat.com>
4067 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
4069 * c-pragma.c (pragma_ns_name): New typedef.
4070 (registered_pp_pragmas): New variable.
4071 (c_pp_lookup_pragma): New function.
4072 (c_register_pragma_1): If flag_preprocess_only, do nothing
4073 for non-expanded pragmas, for expanded ones push pragma's
4074 namespace and name into registered_pp_pragmas vector.
4075 (c_invoke_pragma_handler): Register OpenMP pragmas even when
4076 flag_preprocess_only, don't register GCC pch_preprocess
4077 pragma if flag_preprocess_only.
4078 * c-opts.c (c_common_init): Call init_pragma even if
4079 flag_preprocess_only.
4080 * c-pragma.c (c_pp_lookup_pragma): New prototype.
4081 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
4082 cpp_register_pragma if flag_preprocess_only.
4084 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4087 * c-parser.c (c_parser_translation_unit): Warn for empty
4088 translation unit, not empty source file.
4090 2008-02-26 Paul Brook <paul@codesourcery.com>
4092 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
4093 operand for Thumb-2.
4094 * config/arm/arm.h (reg_class): Add CORE_REGS.
4095 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
4096 (BASE_REG_CLASS): Use CORE_REGS.
4097 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
4098 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
4099 (REGNO_OK_FOR_INDEX_P): Exclude SP.
4100 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
4101 ARM_REGNO_OK_FOR_INDEX_P.
4102 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
4103 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
4104 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
4105 (ldm/stm peepholes): Ditto.
4106 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
4107 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
4108 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
4109 * config/arm/constraints.md: Enable "k" constraint on ARM.
4111 2008-02-27 Ben Elliston <bje@au.ibm.com>
4113 * config/rs6000/rs6000.c: Annotate cache line size field in all
4114 instances of struct processor_costs.
4116 2008-02-26 David Edelsohn <edelsohn@gnu.org>
4118 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
4119 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
4120 jump_bypass): New counters.
4121 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
4122 * dce.c (gate_ud_dce): Same.
4123 (gate_fast_dce): Same.
4124 * dse.c (gate_dse1): New function.
4125 (gate_dse2): New function.
4126 (gate_dse): Merge results of new gate functions.
4127 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
4128 (gate_handle_jump_bypass): Add dbg_cnt.
4129 (gate_handle_gcse): Add dbg_cnt.
4130 * ifcvt.c (gate_handle_if_conversion): Same.
4131 (gate_handle_if_after_combine): Same.
4132 (gate_handle_if_after_reload): Same.
4133 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
4135 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
4137 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
4139 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
4141 2008-02-26 Jason Merrill <jason@redhat.com>
4144 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
4145 alone if it's the naming decl for the type's main variant.
4147 2008-02-26 Tom Tromey <tromey@redhat.com>
4149 * system.h (USE_MAPPED_LOCATION): Poison.
4150 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
4151 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
4152 (make_goto_expr_edges): Likewise.
4153 (remove_bb): Likewise.
4154 (execute_warn_function_return): Likewise.
4155 * basic-block.h (struct edge_def) <goto_locus>: Change type to
4157 * c-common.c (fname_decl): Remove old location code.
4158 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
4160 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
4162 (ASM_INPUT_SOURCE_LOCATION): Likewise.
4163 (gen_rtx_ASM_INPUT): Likewise.
4164 (gen_rtx_ASM_INPUT_loc): Likewise.
4165 (get_rtx_asm_OPERANDS): Remove.
4166 * cfglayout.c (insn_locators_alloc): Remove old location code.
4167 (set_curr_insn_source_location): Likewise.
4168 (curr_insn_locator): Likewise.
4169 * print-tree.c (print_node): Remove old location code.
4170 * tree-mudflap.c (mf_varname_tree): Remove old location code.
4171 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
4172 * cfgexpand.c (expand_gimple_cond_expr): Don't use
4173 location_from_locus.
4174 (construct_exit_block): Remove old location code.
4175 * emit-rtl.c (force_next_line_note): Remove old location code.
4176 * profile.c (branch_prob): Remove old location code.
4177 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
4178 LOC_LINE): Remove old-location variants.
4179 * langhooks.c (lhd_print_error_function): Remove old location
4181 * configure, config.in: Rebuilt.
4182 * configure.ac (--enable-mapped-location): Remove.
4183 * c-decl.c (c_init_decl_processing): Remove old location code.
4184 (finish_function): Likewise.
4185 * recog.c (decode_asm_operands): Remove old location code.
4186 * c-pch.c (c_common_read_pch): Remove old location code.
4187 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
4189 * gimple-low.c (lower_function_body): Remove old location code.
4190 * toplev.c (unknown_location): Remove.
4191 (push_srcloc): Remove old-location variant.
4192 (process_options): Remove old location code.
4193 (lang_dependent_init): Likewise.
4194 * input.h (UNKNOWN_LOCATION): Move definition.
4195 (location_t): Undeprecate.
4196 (source_locus): Remove.
4197 (location_from_locus): Remove.
4198 (struct location_s): Remove.
4199 Remove all old-location code.
4200 (input_line, input_filename): Remove.
4201 * final.c (final_scan_insn): Remove old location code.
4202 * diagnostic.c (diagnostic_build_prefix): Remove
4203 USE_MAPPED_LOCATION test.
4204 * tree.h (gimple_stmt) <locus>: Now a location_t.
4205 (tree_exp) <locus>: Likewise.
4206 (DECL_IS_BUILTIN): Remove old-location variant.
4207 (annotate_with_file_line, annotate_with_locus): Likewise.
4208 (expr_locus, set_expr_locus): Update.
4209 * tree.c (build1_stat): Remove old location code.
4210 (last_annotated_node): Remove.
4211 (annotate_with_file_line): Remove old-location variant.
4212 (annotate_with_locus): Likewise.
4213 (expr_location): Remove old location code.
4214 (set_expr_location): Likewise.
4215 (expr_has_location): Likewise.
4216 (expr_locus): Likewise.
4217 (set_expr_locus): Likewise.
4218 (expr_filename): Don't use location_from_locus.
4219 (expr_lineno): Likewise.
4220 * rtl-error.c (location_for_asm): Remove old location code.
4221 * c-lex.c (cb_line_change): Remove old location code.
4222 (fe_file_change): Likewise.
4223 (cb_def_pragma): Likewise.
4224 (c_lex_with_flags): Likewise.
4225 * gengtype.c (do_typedef): Don't special-case location types.
4226 (define_location_structures): Remove.
4227 (main): Don't call define_location_structures.
4228 * tree-pretty-print.c (dump_implicit_edges): Remove old location
4231 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4234 * builtins.def (BUILT_IN_STDARG_START): Remove.
4235 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
4236 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
4237 * tree-inline.c (inline_forbidden_p_1): Likewise.
4239 2008-02-26 Richard Guenther <rguenther@suse.de>
4241 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4242 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4243 (lookup_decl_from_uid): Declare.
4244 (remove_decl_from_map): Likewise.
4245 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4246 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4247 (decl_for_uid_map): New global hashtable mapping DECL_UID
4249 (init_ttree): Allocate it.
4250 (insert_decl_to_uid_decl_map): New helper function.
4251 (make_node_stat): Insert new decls into the map.
4252 (copy_node_stat): Likewise.
4253 (lookup_decl_from_uid): New function.
4254 (remove_decl_from_map): Likewise.
4255 (print_decl_for_uid_map_statistics): New helper.
4256 (dump_tree_statistics): Call it.
4258 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4259 (referenced_var_iterator): Adjust.
4260 (FOR_EACH_REFERENCED_VAR): Adjust.
4261 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4262 (num_referenced_vars): Adjust.
4263 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4264 (first_referenced_var): Remove.
4265 (end_referenced_vars_p): Likewise.
4266 (next_referenced_var): Likewise.
4267 (referenced_var_iterator_set): New helper function.
4268 * tree-dfa.c (referenced_var_lookup): Adjust.
4269 (referenced_var_check_and_insert): Likewise.
4270 (remove_referenced_var): Likewise.
4271 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4272 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4273 (verify_call_clobbering): Likewise.
4274 (verify_memory_partitions): Likewise.
4275 (init_tree_ssa): Allocate bitmap instead of hashtable for
4277 (delete_tree_ssa): Adjust.
4278 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4279 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4280 (compute_tag_properties): Likewise.
4281 (set_initial_properties): Likewise.
4282 (find_partition_for): Likewise.
4283 (update_reference_counts): Likewise.
4284 (dump_may_aliases_for): Likewise.
4285 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4286 (add_call_clobber_ops): Likewise.
4287 (add_call_read_ops): Likewise.
4288 (get_asm_expr_operands): Likewise.
4289 * tree-into-ssa.c (dump_decl_set): Likewise.
4290 (update_ssa): Likewise.
4291 * tree-sra.c (scan_function): Likewise.
4292 (decide_instantiations): Likewise.
4293 (scalarize_parms): Likewise.
4294 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4295 (dsa_named_for): Likewise.
4296 * tree-ssa-structalias.c (update_alias_info): Likewise.
4297 (merge_smts_into): Likewise.
4299 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4302 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
4303 * c-opts.c (c_common_handle_option): Wall enables
4304 Wvolatile-register-var.
4305 * common.opt: Move Wvolatile-register-var to...
4308 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4310 * common.opt (Wlarger-than=): New.
4311 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
4313 * opts.c (common_handle_option): Handle -Wlarger-than=.
4314 * optc-gen.awk: Likewise.
4315 * opth-gen.awk: Likewise.
4316 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
4317 * tree-optimize.c (tree_rest_of_compilation): Likewise.
4319 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4321 * c-common.c (match_case_to_enum_1): Add appropriate
4322 OPT_W* parameter to warning.
4323 (c_do_switch_warnings): Likewise.
4324 * c-typeck.c (warning_init): Add one more parameter following
4326 (push_init_level): Update call to warning_init.
4327 (pop_init_level): Likewise.
4328 (add_pending_init): Likewise.
4329 (output_init_element: Likewise.
4331 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4334 * toplev.c (toplev_main): If there are warnings or error, print
4335 errors for ignored options.
4336 * opts.c (ignored_options): New static variable.
4337 (postpone_unknown_option_error): New.
4338 (print_ignored_options): New.
4339 (handle_option): Postpone errors for unknown -Wno-* options.
4340 * opts.h (print_ignored_options): Declare.
4342 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
4344 * config/mips/mips.md (loadgp_blockage, blockage): Change type
4347 2008-02-25 Richard Guenther <rguenther@suse.de>
4350 2008-02-25 Richard Guenther <rguenther@suse.de>
4352 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4353 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4354 (lookup_decl_from_uid): Declare.
4355 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4356 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4357 (decl_for_uid_map): New global hashtable mapping DECL_UID
4359 (init_ttree): Allocate it.
4360 (insert_decl_to_uid_decl_map): New helper function.
4361 (make_node_stat): Insert new decls into the map.
4362 (copy_node_stat): Likewise.
4363 (lookup_decl_from_uid): New function.
4364 (print_decl_for_uid_map_statistics): New helper.
4365 (dump_tree_statistics): Call it.
4367 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4368 (referenced_var_iterator): Adjust.
4369 (FOR_EACH_REFERENCED_VAR): Adjust.
4370 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4371 (num_referenced_vars): Adjust.
4372 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4373 (first_referenced_var): Remove.
4374 (end_referenced_vars_p): Likewise.
4375 (next_referenced_var): Likewise.
4376 (referenced_var_iterator_set): New helper function.
4377 * tree-dfa.c (referenced_var_lookup): Adjust.
4378 (referenced_var_check_and_insert): Likewise.
4379 (remove_referenced_var): Likewise.
4380 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4381 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4382 (verify_call_clobbering): Likewise.
4383 (verify_memory_partitions): Likewise.
4384 (init_tree_ssa): Allocate bitmap instead of hashtable for
4386 (delete_tree_ssa): Adjust.
4387 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4388 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4389 (compute_tag_properties): Likewise.
4390 (set_initial_properties): Likewise.
4391 (find_partition_for): Likewise.
4392 (update_reference_counts): Likewise.
4393 (dump_may_aliases_for): Likewise.
4394 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4395 (add_call_clobber_ops): Likewise.
4396 (add_call_read_ops): Likewise.
4397 (get_asm_expr_operands): Likewise.
4398 * tree-into-ssa.c (dump_decl_set): Likewise.
4399 (update_ssa): Likewise.
4400 * tree-sra.c (scan_function): Likewise.
4401 (decide_instantiations): Likewise.
4402 (scalarize_parms): Likewise.
4403 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4404 (dsa_named_for): Likewise.
4405 * tree-ssa-structalias.c (update_alias_info): Likewise.
4406 (merge_smts_into): Likewise.
4408 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
4411 * doc/invoke.texi (-fcx-limited-range): Document new option.
4412 * toplev.c (process_options): Handle -fcx-fortran-rules.
4413 * common.opt: Add documentation for -fcx-fortran-rules.
4415 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
4418 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
4419 actual behaviour and C99.
4421 2008-02-26 Ben Elliston <bje@au.ibm.com>
4423 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
4424 (ASM_CPU_POWER6_SPEC): Likewise.
4425 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
4426 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
4427 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
4429 2008-02-25 Richard Guenther <rguenther@suse.de>
4431 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4432 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4433 (lookup_decl_from_uid): Declare.
4434 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4435 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4436 (decl_for_uid_map): New global hashtable mapping DECL_UID
4438 (init_ttree): Allocate it.
4439 (insert_decl_to_uid_decl_map): New helper function.
4440 (make_node_stat): Insert new decls into the map.
4441 (copy_node_stat): Likewise.
4442 (lookup_decl_from_uid): New function.
4443 (print_decl_for_uid_map_statistics): New helper.
4444 (dump_tree_statistics): Call it.
4446 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4447 (referenced_var_iterator): Adjust.
4448 (FOR_EACH_REFERENCED_VAR): Adjust.
4449 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4450 (num_referenced_vars): Adjust.
4451 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4452 (first_referenced_var): Remove.
4453 (end_referenced_vars_p): Likewise.
4454 (next_referenced_var): Likewise.
4455 (referenced_var_iterator_set): New helper function.
4456 * tree-dfa.c (referenced_var_lookup): Adjust.
4457 (referenced_var_check_and_insert): Likewise.
4458 (remove_referenced_var): Likewise.
4459 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4460 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4461 (verify_call_clobbering): Likewise.
4462 (verify_memory_partitions): Likewise.
4463 (init_tree_ssa): Allocate bitmap instead of hashtable for
4465 (delete_tree_ssa): Adjust.
4466 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4467 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4468 (compute_tag_properties): Likewise.
4469 (set_initial_properties): Likewise.
4470 (find_partition_for): Likewise.
4471 (update_reference_counts): Likewise.
4472 (dump_may_aliases_for): Likewise.
4473 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4474 (add_call_clobber_ops): Likewise.
4475 (add_call_read_ops): Likewise.
4476 (get_asm_expr_operands): Likewise.
4477 * tree-into-ssa.c (dump_decl_set): Likewise.
4478 (update_ssa): Likewise.
4479 * tree-sra.c (scan_function): Likewise.
4480 (decide_instantiations): Likewise.
4481 (scalarize_parms): Likewise.
4482 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4483 (dsa_named_for): Likewise.
4484 * tree-ssa-structalias.c (update_alias_info): Likewise.
4485 (merge_smts_into): Likewise.
4487 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
4490 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
4491 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
4492 * alias.h (nonoverlapping_memrefs_p): Likewise.
4494 2008-02-25 Jan Beulich <jbeulich@novell.com>
4496 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
4497 * config/i386/netware-libgcc.exp: Add __bswap?i2,
4498 __emultls_get_address, __emultls_register_common,
4499 __floatundi?f, and _Unwind_GetIPInfo.
4500 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
4501 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
4502 (gen_regparm_prefix): Likewise.
4503 (i386_nlm_encode_section_info): Sync with
4504 config/i386/winnt.c:i386_pe_encode_section_info().
4505 (i386_nlm_maybe_mangle_decl_assembler_name): New.
4506 i386_nlm_mangle_decl_assembler_name): New.
4507 (netware_override_options): New.
4508 * config/i386/netware.h (netware_override_options): Declare.
4509 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
4510 (i386_nlm_mangle_decl_assembler_name): Declare.
4511 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
4513 2008-02-25 Ben Elliston <bje@au.ibm.com>
4516 * c-decl.c (grokdeclarator): Remove unused local variables
4517 `typedef_type' and `type_as_written'.
4519 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
4520 unused local variable `has_hot_blocks'.
4521 (fix_crossing_conditional_branches): Remove unused local variable
4524 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
4527 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
4528 using DEF_C99_BUILTIN.
4529 (BUILT_IN_NANF): Ditto.
4530 (BUILT_IN_NANL): Ditto.
4532 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
4533 Revital Eres <eres@il.ibm.com>
4535 * modulo-sched.c (calculate_must_precede_follow): Address TODO
4536 regarding the order of two dependent insns in the same row.
4538 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
4540 * stor-layout.c (layout_decl): Do not bump the alignment of a
4541 bit-field to more than byte alignment if it is packed.
4543 2008-02-24 David Edelsohn <edelsohn@gnu.org>
4545 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
4548 2008-02-24 Diego Novillo <dnovillo@google.com>
4550 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
4553 * tree-vrp.c (vrp_evaluate_conditional): With
4554 -Wtype-limits, emit a warning when comparing against a
4555 constant outside the natural range of OP0's type.
4556 * c.opt (Wtype-limits): Move ...
4557 * common.opt (Wtype-limits): ... here.
4559 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
4561 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
4562 * config/rs6000/e300c2c3.md: New file.
4563 * config/rs6000/rs6000.c (processor_costs): Add new costs for
4565 (rs6000_override_options): Add e300c2 and e300c3 cases to
4566 processor_target_table. Do not allow usage of Altivec or Spe
4567 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
4568 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
4569 * config/rs6000/rs6000.h (processor_type): Add
4570 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
4571 (ASM_CPU_SPEC): Add e300c2 and e300c3.
4572 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
4573 and ppce300c3. Include e300c2c3.md.
4575 2008-02-23 David Edelsohn <edelsohn@gnu.org>
4577 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
4578 instead of TARGET_STRICT_ALIGN.
4580 2008-02-23 Joseph Myers <joseph@codesourcery.com>
4582 * explow.c (memory_address): Assert that the generated address is
4585 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4588 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
4589 * config/darwin-ppc-ldouble-patch.def: New file.
4590 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
4591 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
4592 SUBTARGET_INIT_BUILTINS if defined.
4593 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
4596 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
4599 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
4600 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
4602 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
4605 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
4606 file" warning condtional on -Winvalid-PCH.
4608 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
4610 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
4612 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
4616 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
4617 prevent reload from using MMX registers.
4618 (*mov<mode>_internal): Ditto.
4619 (*movv2sf_internal_rex64): Ditto.
4620 (*movv2sf_internal): Ditto.
4622 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4624 PR documentation/31569
4625 * doc/install.texi2html: Use makeinfo --no-number-sections.
4627 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4629 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
4630 ensure that we can address an entire entity > 8 bytes. Don't
4631 generate reg+reg addressing for such data.
4633 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4635 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
4636 strings when optimizing for size, unless the target cares about
4639 2008-02-22 Tom Tromey <tromey@redhat.com>
4641 * regclass.c (current_pass): Remove declaration.
4643 2008-02-22 Anatoly Sokolov <aesok@post.ru>
4645 * config/avr/libgcc.S (__RAMPZ__): Define.
4646 (__do_copy_data): Add for devices with 128KB code memory.
4648 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4650 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4652 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
4654 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
4656 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
4659 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4662 * c-typeck.c (build_binary_op): Warn about floating point
4663 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
4665 2008-02-21 Janis Johnson <janis187@us.ibm.com>
4668 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
4669 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
4671 (rs6000_override_options): Set altivec_abi as default, not override,
4672 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
4673 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
4674 is used; use new member spe_abi.
4675 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
4676 spe_abi and altivec_abi.
4678 2008-02-22 Tomas Bily <tbily@suse.cz>
4680 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
4682 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4685 * config.build (build_file_translate): Set to `CMD //c' only if
4687 * Makefile.in (build_file_translate): Improve comment.
4689 2008-02-21 Jan Hubicka <jh@suse.cz>
4691 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
4692 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
4693 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
4695 2008-02-21 Michael Matz <matz@suse.de>
4698 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
4700 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
4702 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
4703 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
4705 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
4706 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
4707 SSE_VEC_FLOAT_MODE_P as insn constraint.
4708 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
4709 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
4710 sse4a_movntdf using MODEF mode iterator.
4711 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
4712 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
4713 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
4714 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
4715 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
4716 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
4717 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
4719 2008-02-21 Richard Guenther <rguenther@suse.de>
4721 * tree.def (PAREN_EXPR): New tree code.
4722 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
4724 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
4725 * expr.c (expand_expr_real_1): Likewise.
4726 * tree-inline.c (estimate_num_insns_1): Likewise.
4727 * tree-complex.c (expand_complex_move): Likewise.
4728 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
4731 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
4734 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
4736 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
4739 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
4741 * config/sh/sh.c (find_barrier): Don't go past
4742 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
4744 2008-02-20 DJ Delorie <dj@redhat.com>
4746 * config/h8300/h8300.md (insv): Force source operand to be a register.
4748 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
4749 as a jump, not as a plain insn.
4751 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
4753 * doc/invoke.texi (Warning Options): Add new option
4754 -Wframe-larger-than=.
4755 (-Wframe-larger-than): Document.
4757 * flags.h (warn_frame_larger_than, frame_larger_than_size):
4758 Add declarations for new option variables.
4760 * final.c (final_start_function): Check the frame size
4761 before emission and issue a Wframe-larger-than warning.
4763 * opts.c (warn_frame_larger_than, frame_larger_than_size):
4764 Add definitions for new option variables.
4765 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
4767 * common.opt (Wframe-larger-than=): New option.
4769 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
4771 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
4772 (<sse>_div<mode>3): Ditto.
4773 (<sse>_vmdiv<mode>3): Ditto.
4774 (<sse>_vmsqrt<mode>2): Ditto.
4775 (*smax<mode>3): Ditto.
4776 (sse5_frcz<mode>2): Ditto.
4777 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
4780 2008-02-20 Richard Guenther <rguenther@suse.de>
4783 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
4784 be happy with INTEGRAL_TYPE_P.
4786 2008-02-20 Richard Guenther <rguenther@suse.de>
4788 * fold-const.c (split_tree): Associate floatig-point expressions
4789 if flag_associative_math is set.
4791 2008-02-20 Richard Guenther <rguenther@suse.de>
4793 * tree.h (fold_real_zero_addition_p): Declare.
4794 * fold-const.c (fold_real_zero_addition_p): Export.
4795 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
4796 floating-point operations with zero and one.
4798 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
4800 * doc/install.texi: Correct references to CFLAGS, replacing them
4801 with BOOT_CFLAGS. Document flags used during bootstrap for
4804 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
4806 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
4807 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
4808 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
4810 (smin<mode>3): Ditto from similar patterns.
4811 (smax<mode>3): Ditto.
4812 (*ieee_smin<mode>3): Ditto.
4813 (*ieee_smax<mode>3): Ditto.
4814 * config/i386/sse.md (sse): New mode attribute.
4815 (mov<mode>): Macroize expander from movv4sf and movv2df using
4816 SSEMODEF2P mode iterator.
4817 (<sse>_movnt<mode>): Ditto from similar patterns. Use
4818 SSE_VEC_FLOAT_MODE_P as insn constraint.
4819 (storent<mode>): Ditto.
4820 (storent<mode>): Macroize expander from storentsf and storentdf using
4821 MODEF mode iterator.
4822 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
4823 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
4824 (abs<mode>2): Ditto from similar patterns.
4825 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
4826 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
4827 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
4828 (<sse>_vmsqrt<mode>2): Ditto.
4829 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
4830 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
4831 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
4832 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
4833 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
4834 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
4835 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
4837 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
4838 iterator and SSE_FLOAT_MODE_P as insn constraint.
4839 (<sse>_ucomi): Ditto from similar patterns.
4840 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
4841 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
4842 SSE_VEC_FLOAT_MODE_P as insn constraint.
4843 (vcond<mode>): Ditto from similar patterns.
4844 (and<mode>3, *and<mode>3): Ditto.
4845 (<sse>_nand<mode>3): Ditto.
4846 (ior<mode>3, *ior<mode>3): Ditto.
4847 (xor<mode>3, *xor<mode>3): Ditto.
4848 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
4849 iterator and SSE_FLOAT_MODE_P as insn constraint.
4850 (*nand<mode>3): Ditto from similar patterns.
4851 (*ior<mode>3): Ditto.
4852 (*xor<mode>3): Ditto.
4854 2008-02-20 Ira Rosen <irar@il.ibm.com>
4856 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
4857 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
4858 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
4860 2008-02-19 Jan Hubicka <jh@suse.cz>
4862 * predict.c (tree_bb_level_predictions): Remove variable next
4863 mistakely introduced by previous commit.
4865 2008-02-19 Jan Hubicka <jh@suse.cz>
4867 * predict.c (predict_paths_leading_to): Rewrite.
4868 (predict_paths_for_bb): New.
4869 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
4871 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4874 * Makefile.in (build_file_translate): New.
4875 (gcc-vers.texi): Use it for translating $(abs_srcdir).
4876 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
4877 * configure.ac (build_file_translate): Substitute it.
4878 * configure: Regenerate.
4880 2008-02-19 Jan Hubicka <jh@suse.cz>
4882 PR rtl-optimization/34408
4883 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
4886 2008-02-19 Jan Hubicka <jh@suse.cz>
4889 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
4892 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
4895 * config/i386/i386-modes.def: Revert the last DI alignment
4896 change until Ada people can look into it.
4898 2008-02-19 Nick Clifton <nickc@redhat.com>
4900 * opts.c (print_specific_help): Fix typo in --help text.
4902 2008-02-19 Jakub Jelinek <jakub@redhat.com>
4905 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
4906 32-bit inline asm without asm alternatives for host GCC < 3.0.
4908 2008-02-19 Richard Guenther <rguenther@suse.de>
4910 PR tree-optimization/34989
4911 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
4912 Allow propagation to INDIRECT_REF if we can simplify only.
4914 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4916 * c-common.c (warn_for_collisions_1): Use appropriate option when
4919 2008-02-19 Nick Clifton <nickc@redhat.com>
4922 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
4923 (handle_options): Fix indentation.
4924 (print_filtered_help): If no language-specific options were
4925 displayed tell the user how to list all the options supported by
4926 the language's front-end.
4927 (print_specific_help): Fix indentation and remove duplicate line.
4928 (common_handle_option): Handle the -v option.
4929 For --help enable the display of undocumented options if the -v
4930 switch has been included on the command line.
4931 For --help= check for overlaps in the arguments between the option
4932 classes and the language names and issue a warning when they
4933 cannot be disambiguated.
4934 * c.opt (v): Pass on to the common option handler.
4936 2008-02-19 Revital Eres <eres@il.ibm.com>
4938 * modulo-sched.c (sms_schedule): Change dump message when
4939 create_ddg function fails.
4940 (try_scheduling_node_in_cycle): Rename row to cycle.
4941 (print_partial_schedule): Rename CYCLE to ROW.
4943 2008-02-19 Christian Bruel <christian.bruel@st.com>
4944 Zdenek Dvorak <ook@ucw.cz>
4946 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
4948 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
4951 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
4952 (*x86_movdicc_0_m1_se): Ditto.
4954 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
4956 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
4957 (CMPtype): Define as __gcc_CMPtype.
4958 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
4959 (CMPtype): Define as __gcc_CMPtype.
4961 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
4963 Support valgrind 3.3 for --enable-checking=valgrind.
4964 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
4966 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
4967 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
4968 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
4969 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
4970 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
4971 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
4972 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
4974 * ggc-zone.c: Similar.
4975 * ggc-page.c: Similar.
4977 2008-02-19 Paul Brook <paul@codesourcery.com>
4980 * config/arm/ieee754-df.S: Fix do_it typo.
4981 * config/arm/ieee754-sf.S: Fix do_it typo.
4983 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
4986 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
4987 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
4988 (OPTION_MASK_ISA_SSE_SET): Likewise.
4989 (OPTION_MASK_ISA_SSE2_SET): Likewise.
4990 (OPTION_MASK_ISA_SSE3_SET): Likewise.
4991 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
4992 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
4993 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
4994 (OPTION_MASK_ISA_SSE4_SET): Likewise.
4995 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
4996 (OPTION_MASK_ISA_SSE5_SET): Likewise.
4997 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
4998 (OPTION_MASK_ISA_MMX_UNSET): Updated.
4999 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
5000 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
5001 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
5002 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
5003 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
5004 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
5005 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
5006 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
5007 (OPTION_MASK_ISA_SSE4): Removed.
5008 (ix86_handle_option): Turn on bits in ix86_isa_flags and
5009 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
5010 (override_options): Don't turn on implied SSE/MMX bits in
5013 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
5015 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
5018 2008-02-18 Joey Ye <joey.ye@intel.com>
5021 * tree-nested.c (insert_field_into_struct): Set type alignment
5022 to field alignment if the former is less than the latter.
5024 2008-02-18 Jakub Jelinek <jakub@redhat.com>
5026 * BASE-VER: Set to 4.4.0.
5028 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5030 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
5031 * doc/cfg.texi: Likewise.
5032 * doc/extend.texi: Likewise.
5033 * doc/gty.texi: Likewise.
5034 * doc/invoke.texi: Likewise.
5035 * doc/loop.texi: Likewise.
5036 * doc/md.texi: Likewise.
5037 * doc/passes.texi: Likewise.
5038 * doc/rtl.texi: Likewise.
5039 * doc/sourcebuild.texi: Likewise.
5040 * doc/tm.texi: Likewise.
5041 * doc/tree-ssa.texi: Likewise.
5043 2008-02-17 Richard Guenther <rguenther@suse.de>
5046 * tree-complex.c (init_parameter_lattice_values): Handle parameters
5047 without default definition.
5049 2008-02-17 Richard Guenther <rguenther@suse.de>
5051 PR tree-optimization/35231
5052 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
5055 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
5058 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5059 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
5060 libgcc_cmp_return mode.
5062 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5065 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
5067 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
5069 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
5072 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5074 * doc/c-tree.texi: Use `@.' where appropriate.
5075 * doc/extend.texi: Likewise.
5076 * doc/install.texi: Likewise.
5077 * doc/invoke.texi: Likewise.
5078 * doc/loop.texi: Likewise.
5079 * doc/makefile.texi: Likewise.
5080 * doc/md.texi: Likewise.
5081 * doc/passes.texi: Likewise.
5082 * doc/standards.texi: Likewise.
5083 * doc/tm.texi: Likewise.
5085 2008-02-15 Jakub Jelinek <jakub@redhat.com>
5088 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
5090 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
5091 rather than in entry_bb.
5093 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5095 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
5096 libgcc_cmp_return mode.
5098 2008-02-15 Jakub Jelinek <jakub@redhat.com>
5101 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
5102 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
5104 2008-02-15 Richard Guenther <rguenther@suse.de>
5105 Zdenek Dvorak <ook@ucw.cz>
5107 PR tree-optimization/35164
5108 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
5109 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
5110 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
5111 Only propagate addresses which do not have abnormal SSA_NAMEs
5114 2008-02-15 Joseph Myers <joseph@codesourcery.com>
5117 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
5119 2008-02-15 Jan Hubicka <jh@suse.cz>
5122 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
5124 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5127 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
5128 when calculating alignment_pad.
5130 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5132 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
5133 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
5134 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
5135 and STACK_BOUNDARY define.
5137 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
5139 PR preprocessor/35061
5140 * c-pragma.c (handle_pragma_pop_macro): Check that
5141 pushed_macro_table has been allocated.
5143 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
5146 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
5147 (force_gimple_operand): Likewise.
5148 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
5149 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
5150 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
5151 (find_interesting_uses_address): Check addressability and alignment
5152 of the base expression only after substituting bases of IVs into it.
5154 2008-02-14 Michael Matz <matz@suse.de>
5157 * function.c (instantiate_virtual_regs_in_insn): Reload address
5158 before falling back to reloading the whole operand.
5160 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
5162 * config/s390/s390.c (s390_mainpool_start): Emit the pool
5163 before the first section switch note.
5165 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5167 * doc/bugreport.texi: Update copyright years.
5168 * doc/c-tree.texi: Likewise.
5169 * doc/cfg.texi: Likewise.
5170 * doc/cpp.texi: Likewise.
5171 * doc/cppinternals.texi: Likewise.
5172 * doc/fragments.texi: Likewise.
5173 * doc/frontends.texi: Likewise.
5174 * doc/gcc.texi: Likewise.
5175 * doc/gty.texi: Likewise.
5176 * doc/hostconfig.texi: Likewise.
5177 * doc/implement-c.texi: Likewise.
5178 * doc/libgcc.texi: Likewise.
5179 * doc/loop.texi: Likewise.
5180 * doc/makefile.texi: Likewise.
5181 * doc/options.texi: Likewise.
5182 * doc/passes.texi: Likewise.
5183 * doc/rtl.texi: Likewise.
5184 * doc/sourcebuild.texi: Likewise.
5185 * doc/standards.texi: Likewise.
5186 * doc/tree-ssa.texi: Likewise.
5187 * doc/trouble.texi: Likewise.
5189 * doc/extend.texi: Use @: or add comma where appropriate.
5190 * doc/invoke.texi: Likewise.
5191 * doc/tm.texi: Likewise.
5193 2008-02-14 Alan Modra <amodra@bigpond.net.au>
5196 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
5199 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
5201 * doc/md.texi (clz, ctz): Add reference.
5202 * doc/rtl.texi (clz, ctz): Likewise.
5204 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5207 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
5210 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
5212 * config/s390/s390.c (struct constant_pool): New field
5213 emit_pool_after added.
5214 (s390_mainpool_start): Set the emit_pool_after flag according
5215 to the section switch notes.
5216 (s390_mainpool_finish): Consider emit_pool_after when emitting
5217 the literal pool at the end of the function.
5218 (s390_chunkify_start): Force literal pool splits at section
5221 2008-02-13 Michael Matz <matz@suse.de>
5224 * var-tracking.c (clobber_variable_part): Correctly traverse the
5227 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5230 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
5231 Add -fdump-ipa-inline.
5232 * tree-dump.c (dump_files): Remove tree-inlined dump.
5233 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
5235 2008-02-12 Richard Guenther <rguenther@suse.de>
5237 PR tree-optimization/35171
5238 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
5241 2008-02-12 Richard Guenther <rguenther@suse.de>
5244 * fold-const.c (fold_widened_comparison): Use get_unwidened in
5245 value-preserving mode. Disallow final truncation.
5247 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
5250 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
5251 code from here to...
5252 (force_gimple_operand): ...here.
5254 2008-02-12 Jakub Jelinek <jakub@redhat.com>
5257 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
5258 non-compatible pointers.
5259 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
5260 different FIELD_DECLs, try harder by comparing field offsets, sizes
5264 * function.c (match_asm_constraints_1): Don't replace the same input
5267 2008-02-12 Anatoly Sokolov <aesok@post.ru>
5269 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
5270 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
5271 (expand_epilogue): Restore RAMPZ register.
5272 * config/avr/avr.md (RAMPZ_ADDR): New constant.
5274 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
5276 * config/i386/cygwin.asm: (__alloca): Correct calling
5277 convention and alignment.
5278 (__chkstk): Force 8 byte stack alignment.
5280 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
5281 Richard Guenther <rguenther@suse.de>
5283 PR tree-optimization/33992
5284 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
5285 the zero we compare against.
5287 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
5290 * gthr-win32.h (__gthread_mutex_destroy_function): New function
5291 to CloseHandle after unlocking to prevent accumulation of handle
5294 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5297 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
5298 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
5299 and update LABEL_NUSES during and after reload.
5301 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
5304 * combine.c (simplify_if_then_else): Make sure the comparison is
5305 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
5307 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
5310 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
5311 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
5312 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
5313 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
5314 * tree.h (get_type_static_bounds): Likewise.
5316 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5318 * doc/invoke.texi (Option Summary, C++ Dialect Options)
5319 (Objective-C and Objective-C++ Dialect Options, Warning Options):
5320 Make -Wfoo language annotations match what the compiler outputs.
5322 2008-02-08 Sa Liu <saliu@de.ibm.com>
5324 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
5325 intrinsics spu_convts, spu_convtu, spu_convtf.
5326 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
5328 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
5330 * doc/extend.texi (Function Attributes) <noinline>: Mention
5331 asm ("") as method to keep calls.
5333 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5336 * doc/options.texi (Options): Replace references to opts.sh with
5338 * opts-common.c: Likewise.
5339 * optc-gen.awk: Likewise.
5341 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
5343 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
5345 2008-02-07 Richard Henderson <rth@redhat.com>
5348 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
5349 EXPR_LIST for the REG_EQUAL instead of a comparison with a
5352 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
5354 PR tree-optimization/35085
5355 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
5356 for operand entry oe2 in addition to operand entry oe3 in order to
5357 expose more opportunities for vectorizer sum reduction.
5359 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5362 * Makefile.in (LIBS): Remove $(GMPLIBS).
5363 (cc1-dummy, cc1): Add $(GMPLIBS).
5365 2008-02-06 Jan Hubicka <jh@suse.cz>
5368 * i386.md (moddf_integer): Do not produce partial memory stalls for
5369 targets where it hurts.
5371 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
5374 * optabs.c (expand_float): Do not check for decimal modes when
5375 expanding unsigned integer through signed conversion.
5377 2008-02-06 Nick Clifton <nickc@redhat.com>
5379 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
5380 inside the clobber with a match_operand and duplicated operand
5381 number in the constraint.
5382 (ineqbranchsi): Delete redundant comment.
5384 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
5386 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
5387 builtin_define ("__USE_INIT_FINI__").
5388 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
5390 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
5392 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5394 PR documentation/30330
5395 * doc/invoke.texi (C++ Dialect Options)
5396 (Objective-C and Objective-C++ Dialect Options, Warning Options):
5397 For each warning option -Wfoo that allows -Wno-foo, ensure both
5398 -Wfoo and -Wno-foo are listed in the option index. Fix index
5399 entry of -Wswitch-default, index -Wnormalized= including the
5400 `=', and -Wlarger-than-@var{len} including @var{len}.
5402 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
5404 * config/i386/i386.md (floatunssisf2): Use
5405 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
5406 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
5407 Macroize expander using MODEF mode iterator.
5409 2008-02-05 Diego Novillo <dnovillo@google.com>
5411 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
5414 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
5416 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5419 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
5421 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
5424 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
5425 to indicate if a message should be generated.
5426 (init_cumulative_args): Updated.
5427 (function_value_32): Likewise.
5429 2008-02-05 Joseph Myers <joseph@codesourcery.com>
5431 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
5433 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
5436 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
5437 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
5439 2008-02-04 Diego Novillo <dnovillo@google.com>
5441 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
5444 * tree-vrp.c (vrp_evaluate_conditional): With
5445 -Wtype-limits, emit a warning when comparing against a
5446 constant outside the natural range of OP0's type.
5448 2008-02-04 Richard Guenther <rguenther@suse.de>
5451 * expr.c (count_type_elements): Give for unions instead of
5454 2008-02-04 Richard Guenther <rguenther@suse.de>
5457 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
5458 to TYPE_DOMAINs base type instead of using bitsizetype here.
5460 2008-02-03 Jason Merrill <jason@redhat.com>
5462 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
5464 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5467 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
5468 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
5469 (RS/6000 and PowerPC Options): Fix typos and markup.
5470 * doc/passes.texi (Tree-SSA passes): Likewise.
5472 2008-02-02 Michael Matz <matz@suse.de>
5475 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
5476 from record_last_reg_set_info.
5477 (record_last_reg_set_info): Take an RTX argument, iterate over all
5478 constituent hardregs.
5479 (record_last_set_info, record_opr_changes): Change calls to
5480 new signature or to record_last_reg_set_info_regno.
5482 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
5484 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
5486 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
5488 PR rtl-optimization/34773
5489 * reg-notes.def (EQUAL): Mention significance of combination of
5490 REG_EQUAL and REG_RETVAL.
5491 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
5492 insn that has a REG_RETVAL.
5494 2008-02-01 Roger Sayle <roger@eyesopen.com>
5497 * configure.ac (--enable-fixed-point): Disable unless explicitly
5499 * configure: Regenerate.
5501 2008-02-01 Richard Guenther <rguenther@suse.de>
5504 * invoke.texi (-finline-limit): Remove no longer true parts
5505 of the documentation. Note that there is no default value.
5507 2008-02-01 Andrew Pinski <pinskia@gmail.com>
5508 Mark Mitchell <mark@codesourcery.com>
5509 Ben Elliston <bje@au.ibm.com>
5512 * doc/extend.texi (Other Builtins): Document.
5514 2008-01-31 Tom Browder <tom.browder@gmail.com>
5516 * doc/c-tree.texi (Types): Fix grammar.
5517 (Expression trees): Ditto.
5518 * doc/passes.texi (Tree-SSA passes): Ditto.
5520 * doc/configterms.texi (Configure Terms): Fix typo.
5521 * doc/cpp.texi (Common Predefined Macros): Ditto.
5522 * doc/md.texi (Machine Constraints): Ditto.
5524 * doc/makefile.texi (Makefile): Add comma.
5526 2008-01-31 Tom Browder <tom.browder@gmail.com>
5527 Gerald Pfeifer <gerald@pfeifer.com>
5529 * doc/sourcebuild.texi (Front End): Remove references to CVS
5530 and CVSROOT/modules.
5531 (Texinfo Manuals): Replace reference to CVS by one to SVN.
5532 (Back End): Remove reference to CVS.
5534 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
5537 * config/mips/mips.c (gen_load_const_gp): New function, taking a
5539 (mips16_gp_pseudo_reg): ...here.
5540 * config/mips/mips.md (load_const_gp): Replace with...
5541 (load_const_gp_<mode>): ...this :P-based insn.
5543 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5545 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
5546 options. Minor fixes.
5547 (-std): Move reference to standards closer to where language
5548 standards are first mentioned.
5550 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
5552 PR rtl-optimization/34995
5553 * reload.c (alternative_allows_const_pool_ref): Take an rtx
5554 parameter and return a bool. If the rtx parameter is nonnull,
5555 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
5556 (find_reloads): Update call accordingly. Pass the new operand
5557 if it needed no address reloads, otherwise pass null.
5559 2008-01-30 Richard Henderson <rth@redhat.com>
5562 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
5563 for unbounded arrays.
5565 2008-01-30 Silvius Rus <rus@google.com>
5567 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
5569 2008-01-30 Jan Hubicka <jh@suse.cz>
5572 * i386.c (init_cumulative_args): Use real function declaration when
5575 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
5577 PR rtl-optimization/34998
5578 * global.c (build_insn_chain): Treat non-subreg_lowpart
5579 SUBREGs of pseudos as clobbering all the words covered by the
5580 SUBREG, not just all the bytes.
5581 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
5582 original df_ref rather than an extract parameter.
5583 (global_conflicts): Update call accordingly.
5585 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
5587 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
5588 the overflow check to make it easier to read.
5589 (__fixtfdi): Change the type of the ll member in union
5590 long_double to UDItype_x.
5592 2008-01-30 Jakub Jelinek <jakub@redhat.com>
5595 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
5596 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
5597 * tree-inline.c (fold_marked_statements): Call
5598 cgraph_update_edges_for_call_stmt if folding a call statement.
5599 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
5600 debug_generic_stmt calls, reset it back afterwards.
5603 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
5605 * c-typeck.c (build_external_ref): Don't pedwarn about
5606 static vars in current function's scope.
5608 2008-01-29 Joseph Myers <joseph@codesourcery.com>
5610 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
5612 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
5615 * ipa-struct-reorg.c: Fix spelling.
5616 * params.def: Ditto.
5618 2008-01-29 Richard Guenther <rguenther@suse.de>
5621 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
5623 * tree-inline.c (remap_type): Increment remapping_type_depth
5624 around remapping types.
5625 (copy_body_r): Only add referenced variables if they are referenced
5626 from code, not types.
5628 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
5639 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
5640 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
5642 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
5645 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
5646 pointer for tiny stack.
5648 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
5650 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
5652 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
5654 * config/vx-common.h: Fix typo in comment.
5656 2008-01-28 Ian Lance Taylor <iant@google.com>
5660 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
5661 coalesce pointers if they have different DECL_NO_TBAA_P values.
5662 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
5663 between variables with different DECL_NO_TBAA_P values.
5665 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
5668 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
5669 are not legitimate small data references on SPE targets.
5671 2008-01-28 David Daney <ddaney@avtrex.com>
5673 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
5675 2008-01-28 David Daney <ddaney@avtrex.com>
5677 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
5679 2008-01-27 Joseph Myers <joseph@codesourcery.com>
5681 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
5682 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
5683 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
5684 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
5685 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
5686 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
5687 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
5688 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
5690 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5692 * basic-block.h (condjump_equiv_p): Fix comment.
5694 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5696 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
5697 print_generic_stmt_indented): Fix comment.
5699 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5701 * configure.ac (__stack_chk_fail): Add detecion for availability
5702 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
5703 * configure: Regenerate.
5705 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
5708 * final.c (output_addr_const): Handle TRUNCATE.
5710 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
5713 * tree-ssa-loop-ivopts.c (comp_cost): New type.
5714 (zero_cost, infinite_cost): New constants.
5715 (struct cost_pair): Change type of cost to comp_cost.
5716 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
5717 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
5719 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
5720 split_address_cost, ptr_difference_cost, difference_cost,
5721 get_computation_cost_at, get_computation_cost,
5722 determine_use_iv_cost_generic, determine_use_iv_cost_address,
5723 determine_use_iv_cost_condition, determine_use_iv_costs,
5724 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
5725 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
5726 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
5727 Change type of cost to comp_cost.
5728 (determine_iv_cost): Increase cost of non-original ivs, instead
5729 of decreasing the cost of original ones.
5730 (get_address_cost): Indicate the complexity of the addressing mode
5732 (try_add_cand_for): Prefer using ivs not specific to some object.
5733 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
5735 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
5736 Janis Johnson <janis187@us.ibm.com>
5739 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
5740 (TARGET_INSTANTIATE_DECLS): Likewise.
5741 * target.h (expand_to_rtl_hook): New target hook.
5742 (instantiate_decls): Likewise.
5743 * function.c (instantiate_decl): Make non-static. Rename to...
5744 (instantiate_decl_rtl): ... this.
5745 (instantiate_expr): Use instantiate_decl_rtl.
5746 (instantiate_decls_1): Likewise.
5747 (instantiate_decls): Likewise.
5748 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
5749 * function.h (instantiate_decl_rtl): Add prototype.
5750 * cfgexpand.c (target.h): New include.
5751 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
5752 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
5753 (TARGET_INSTANTIATE_DECLS): Likewise.
5754 (TARGET_INITIALIZER): New target hooks added.
5755 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
5757 * config/rs6000/rs6000.c (tree-flow.h): New include.
5758 (machine_function): Add sdmode_stack_slot field.
5759 (rs6000_alloc_sdmode_stack_slot): New function.
5760 (rs6000_instantiate_decls): Likewise.
5761 (rs6000_secondary_memory_needed_rtx): Likewise.
5762 (rs6000_check_sdmode): Likewise.
5763 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
5764 (TARGET_INSTANTIATE_DECLS): Likewise.
5765 (rs6000_hard_regno_mode_ok): Allow SDmode.
5766 (num_insns_constant): Likewise. Handle _Decimal32 constants.
5767 (rs6000_emit_move): Handle SDmode.
5768 (function_arg_advance): Likewise.
5769 (function_arg): Likewise.
5770 (rs6000_gimplify_va_arg): Likewise. Add special handling of
5771 SDmode var args for 32-bit compiles.
5772 (rs6000_secondary_reload_class): Handle SDmode.
5773 (rs6000_output_function_epilogue): Likewise.
5774 (rs6000_function_value): Simplify if statement.
5775 (rs6000_libcall_value): Likewise.
5776 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
5777 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
5778 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
5779 (movsd_hardfloat): New define_insn.
5780 (movsd_softfloat): Likewise.
5781 (movsd_store): Likewise.
5782 (movsd_load): Likewise.
5783 (extendsddd2): Likewise.
5784 (extendsdtd2): Likewise.
5785 (truncddsd2): Likewise.
5786 (movdd_hardfloat64): Fixup comment.
5787 (UNSPEC_MOVSD_LOAD): New constant.
5788 (UNSPEC_MOVSD_STORE): Likewise.
5790 2008-01-26 Jakub Jelinek <jakub@redhat.com>
5793 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
5795 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
5796 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
5797 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
5800 2008-01-26 David Edelsohn <edelsohn@gnu.org>
5803 * config.gcc: Separate AIX 5.3 from AIX 6.1.
5804 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5805 __LONGDOUBLE128 too.
5806 * config/rs6000/aix61.h: New file.
5808 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
5810 PR rtl-optimization/34959
5811 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
5812 popcount and parity rtxes the same mode as their operand.
5813 Truncate or extend the result to the return value's mode
5816 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
5819 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
5820 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
5821 to GOT_VERSION_REGNUM.
5822 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
5823 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
5824 * config/mips/mips.c (mips_emit_call_insn): New function.
5825 (mips_call_tls_get_addr): Call mips_expand_call directly.
5826 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
5828 (mips16_build_call_stub): Likewise. Return the call insn or null.
5829 (mips_expand_call): Update the call to mips16_build_call_stub
5830 accordingly and a remove redundant condition. Assert that MIPS16
5831 stubs do not use lazy binding. Use mips_emit_call_insn and return
5833 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
5835 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
5836 (mips_avoid_hazard): Remove hazard_set handling.
5837 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
5838 (UNSPEC_RESTORE_GP): ...this.
5839 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
5840 (FAKE_CALL_REGNO): Rename to...
5841 (GOT_VERSION_REGNUM): ...this.
5842 (type): Add "ghost" value. Add an associated insn reservation.
5843 (hazard_set): Remove.
5844 (exception_receiver): Rename to...
5845 (restore_gp): ...this and update the unspec identifier accordingly.
5846 (exception_receiver, nonlocal_got_receiver): New expanders.
5847 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
5848 FAKE_CALL_REGNO. Remove hazard_set attribute.
5849 (set_got_version, update_got_version): New patterns.
5851 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
5854 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
5856 2008-01-25 Joseph Myers <joseph@codesourcery.com>
5859 * doc/install.texi2html: Generate gcc-vers.texi.
5861 2008-01-25 DJ Delorie <dj@redhat.com>
5863 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
5865 2008-01-25 Joseph Myers <joseph@codesourcery.com>
5867 * config/c4x: Remove directory.
5868 * config.gcc (crx-*, mt-*): Mark obsolete.
5869 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
5870 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
5871 sh-*-rtemscoff*): Remove cases.
5872 * defaults.h (C4X_FLOAT_FORMAT): Remove.
5873 * real.c (encode_c4x_single, decode_c4x_single,
5874 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
5875 c4x_extended_format): Remove.
5876 * real.h (c4x_single_format, c4x_extended_format): Remove.
5877 * doc/extend.texi (interrupt, naked): Remove mention of attributes
5879 (Pragmas): Remove comment about c4x pragmas.
5880 * doc/install.texi (c4x): Remove target-specific instructions.
5881 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
5882 * doc/md.texi (Machine Constraints): Remove C4x documentation.
5883 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
5884 refer to C4x source files as examples.
5885 (C4X_FLOAT_FORMAT): Remove documentation.
5887 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
5889 * config/bfin/bfin.c (override_options): Reorder tests so that
5890 flag_pic gets enabled for -msep-data.
5892 2008-01-25 Richard Guenther <rguenther@suse.de>
5895 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
5896 to its bitfield precision if required.
5898 2008-01-25 Jakub Jelinek <jakub@redhat.com>
5901 * tree-nested.c (walk_omp_for): New function.
5902 (convert_nonlocal_reference, convert_local_reference): Call
5903 walk_omp_for on OMP_FOR.
5904 (convert_call_expr): Call walk_body on OMP_FOR's
5905 OMP_FOR_PRE_INIT_BODY.
5907 2008-01-25 Richard Guenther <rguenther@suse.de>
5909 PR tree-optimization/34966
5910 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
5911 default defs and PHI_NODEs we have to insert after the
5914 2008-01-24 Nick Clifton <nickc@redhat.com>
5916 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
5917 Provide a default definition.
5918 (LIBGCC2_UNITS_PER_WORD): Likewise.
5920 * config/stormy16/stormy16.c: Include df.h for the prototype
5921 for df_regs_ever_live_p.
5922 (xstormy16_expand_builtin_va_start): Convert the stack offset
5923 into a component_ref and then use POINTER_PLUS_EXPR to add it
5924 to the incoming_virtual_args_rtx.
5925 (xstormy16_gimplify_va_arg_expr): Rename to
5926 xstormy16_gimplify_va_arg_expr.
5927 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
5928 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
5929 xstormy16_gimplify_va_arg_expr.
5930 Fix up some formatting issues.
5932 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
5933 Move to predicates.md.
5934 (xs_hi_general_operand): Likewise.
5935 (xs_hi_nonmemory_operand): Likewise.
5936 * config/stormy16/predicates.md:
5937 (xstormy16_carry_plus_operand): New predicate.
5938 (xs_hi_general_operand): New predicate.
5939 (xs_hi_nonmemory_operand): New predicate.
5940 * config/stormy16/stormy16-protos.h:
5941 (xstormy16_carry_plus_operand): Delete prototype.
5942 (xs_hi_general_operand): Likewise.
5943 (xs_hi_nonmemory_operand): Likewise.
5945 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
5946 modifiers as they are no longer needed and they can trigger
5947 reload spill failures.
5949 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
5950 with a match_operand in order to help reload.
5952 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
5953 constraint with 'e' for the 8th alternative as this version of
5954 the mov.w instruction only accepts the lower 8 registers.
5956 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
5959 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
5960 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
5963 2008-01-25 Jakub Jelinek <jakub@redhat.com>
5966 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
5968 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
5970 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
5972 (remove_structure): Update allocations list before removing structure.
5974 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
5976 * ipa-struct-reorg.c (is_safe_cond_expr,
5977 create_new_stmts_for_cond_expr): Use integer_zerop function,
5978 that recognize not only zero-pointer, but zero-integer too.
5980 2008-01-25 Ben Elliston <bje@au.ibm.com>
5983 * fixproto: Escape "." in sed expression that strips leading "./".
5985 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
5988 * gcc.c (SWITCH_OK): Removed.
5989 (SWITCH_LIVE): Changed to bit.
5990 (SWITCH_FALSE): Likewise.
5991 (SWITCH_IGNORE): Likewise.
5992 (switchstr): Change live_cond to unsigned int.
5993 (process_command): Replace SWITCH_OK with 0.
5994 (do_self_spec): Likewise.
5995 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
5996 (give_switch): Likewise.
5997 (used_arg): Likewise.
5998 (do_spec_1): Set the SWITCH_IGNORE bit.
5999 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
6000 bits. Set the SWITCH_LIVE bit.
6002 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
6004 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
6006 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
6008 PR tree-optimization/34472
6009 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
6010 parameter to a "bool *" and set *DATA to false if there is
6011 an unsafe access. Do not delete the structure here.
6012 (check_cond_exprs): Delete it here instead.
6013 (check_cond_exprs, exclude_cold_structs): Do not increase
6014 I when removing a structure.
6016 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
6019 * config/i386/i386.c (ix86_expand_vector_init): Consider only
6020 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
6022 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
6025 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
6026 a fixed vector for stack.
6028 2008-01-24 Ben Elliston <bje@au.ibm.com>
6031 * doc/gcc.texi (Software development): Add a direntry for g++.
6033 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
6035 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
6036 stale and straggling -fforce-addr comments above.
6038 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
6040 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
6041 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
6043 2008-01-23 Michael Matz <matz@suse.de>
6046 * dwarf2out.c (force_type_die): Use modified_type_die instead of
6049 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
6051 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
6054 2008-01-23 Anatoly Sokolov <aesok@post.ru>
6056 * config/avr/avr.c (avr_current_arch): New variable.
6057 (avr_arch_types): Add 'avr31' and 'avr51' entries.
6058 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
6059 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
6060 (avr_override_options): Init 'avr_current_arch'.
6061 (base_arch_s): Move from here...
6062 * config/avr/avr.h (base_arch_s): ... here. Add new members
6063 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
6064 'mega' to 'have_jmp_call'.
6065 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
6066 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
6068 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
6070 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
6071 MULTILIB_MATCHES): (Ditto.).
6073 2008-01-23 Richard Guenther <rguenther@suse.de>
6076 * cgraphunit.c (cgraph_reset_node): Always mark the node
6077 not reachable if it is not queued already.
6079 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
6081 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
6082 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
6083 (cputype_selected): New static variable.
6084 (bfin_handle_option): Set it if -mcpu is used.
6085 (override_option): Select default set of workarounds if no cpu type
6086 selected on the command line.
6087 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
6089 From Michael Frysinger <michael.frysinger@analog.com>
6090 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
6091 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
6093 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
6094 for bf547, bf523, bf524, and bf526.
6095 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
6097 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6098 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
6099 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
6100 __ADSPBF547__ and __ADSPBF54x__ for bf547.
6101 * doc/invoke.texi (Blackfin Options): Document that
6102 -mcpu now accept bf547, bf523, bf524, and bf526.
6104 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
6106 PR rtl-optimization/34628
6107 * combine.c (try_combine): Stop and undo after the first combination
6108 if an autoincrement side-effect on the first insn has effectively
6111 2008-01-22 David Edelsohn <edelsohn@gnu.org>
6114 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
6115 Offset addresses are not valid for Altivec or paired float modes.
6117 2008-01-22 Jakub Jelinek <jakub@redhat.com>
6120 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
6121 if DECL_INITIAL (decl) is error_mark_node.
6124 * c-common.c (handle_vector_size_attribute): Only allow
6125 integral, scalar float and fixed point types. Handle OFFSET_TYPE
6126 the same way as pointer, array etc. types.
6127 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
6130 * tree.c (build_type_attribute_qual_variant): Call
6131 build_qualified_type if attributes are equal, but quals are not.
6133 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6136 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
6137 * flags.h (warn_strict_aliasing): Remove.
6138 (warn_strict_overflow): Remove.
6139 * opts.c (warn_strict_aliasing): Remove.
6140 (warn_strict_overflow): Remove.
6141 * c-opts.c (c_common_handle_option): -Wall only sets
6142 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
6143 (c_common_post_options): Give default values to -Wstrict-aliasing
6144 and -Wstrict-overflow if they are uninitialized.
6145 * common.opt (Wstrict-aliasing): Specify Var and Init.
6146 (Wstrict-overflow): Likewise.
6148 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6150 PR rtl-optimization/26854
6151 PR rtl-optimization/34400
6152 PR rtl-optimization/34884
6153 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
6155 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
6156 (df_rd_bb_info.expanded_lr_out): Deleted
6157 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
6158 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
6159 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
6160 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
6161 Removed code to allocate, initialize or free expanded_lr_out.
6162 (df_rd_bb_local_compute_process_def): Restructured to make more
6164 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
6165 sets if the sets are being trimmed.
6167 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
6170 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
6171 (as_vers): Likewise.
6172 * configure: Regenerated.
6174 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6177 * tree-pass.h (pass_build_alias): New pass.
6178 * tree-ssa-alias.c (gate_build_alias): New.
6179 (pass_build_alias): New.
6180 * passes.c (init_optimization_passes): Add pass_build_alias after
6181 pass_create_structure_vars.
6183 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
6185 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
6186 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
6187 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
6188 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
6189 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
6190 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
6191 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
6192 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
6193 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
6194 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
6195 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
6196 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
6197 * config/s390/s390.md (FP_ALL): New mode iterator.
6198 (_d): New mode attribute.
6199 ("*signbit<mode>2>"): Changed mode of first operand.
6200 ("isinf<mode>2"): Changed mode of first operand.
6201 ("*TDC_insn"): Adaptation for DFP modes.
6203 2008-01-22 Ben Elliston <bje@au.ibm.com>
6205 * tree.c (check_qualified_type): Improve function description.
6207 2008-01-21 Jason Merrill <jason@redhat.com>
6210 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
6211 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
6214 2008-01-21 DJ Delorie <dj@redhat.com>
6216 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
6219 2008-01-21 Richard Guenther <rguenther@suse.de>
6222 * tree-cfg.c (verify_expr): Allow all invariant expressions
6223 instead of just constant class ones as reference argument.
6224 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
6225 like any other constant.
6226 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
6228 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
6230 * regmove.c (fixup_match_1): Update call crossed frequencies.
6232 2008-01-21 Richard Guenther <rguenther@suse.de>
6235 * tree-inline.c (setup_one_parameter): Deal with mismatched
6236 types using a VIEW_CONVERT_EXPR.
6238 2008-01-21 Alon Dayan <alond@il.ibm.com>
6239 Olga Golovanevsky <olga@il.ibm.com>
6241 PR tree-optimization/34701
6242 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
6243 when the structure size is not a power of 2.
6245 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
6247 * doc/install.texi: Add doc for --enable-checking=df.
6249 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
6251 PR rtl-optimization/34808
6252 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
6254 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
6256 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
6259 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6261 PR rtl-optimization/26854
6262 PR rtl-optimization/34400
6263 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
6265 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
6266 (df_rd_bb_info.expanded_lr_out): New.
6267 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
6268 * loop_iv.c (iv_analysis_loop_init): Ditto.
6269 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
6270 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
6271 Added code to allocate, initialize or free expanded_lr_out.
6272 (df_rd_bb_local_compute_process_def): Restructured to make
6273 more understandable.
6274 (df_rd_confluence_n): Add code to do nothing with fake edges and
6275 code to no apply invalidate_by_call sets if the sets are being trimmed.
6276 (df_lr_local_finalize): Renamed to df_lr_finalize.
6277 (df_live_local_finalize): Renamed to df_live_finalize.
6279 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
6282 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
6283 deciding whether to use reciprocal instructions.
6285 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
6287 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
6288 dwarf2out_note_section_used if cold_text_section is NULL.
6290 2008-01-19 Jakub Jelinek <jakub@redhat.com>
6292 PR gcov-profile/34610
6293 * tree-cfg.c (make_edges): Mark both outgoing edges from
6294 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
6295 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
6296 from OMP_FOR and OMP_CONTINUE outgoing edges.
6298 * tree-profile.c (tree_profiling): Return early if
6299 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
6301 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
6302 from cfun to child_cfun.
6303 * function.h (struct function): Add after_tree_profile bit.
6305 2008-01-19 Anatoly Sokolov <aesok@post.ru>
6307 * config/avr/avr.S (_exit): Disable interrupt.
6309 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
6310 Steven Bosscher <stevenb.gcc@gmail.com>
6312 PR rtl-optimization/26854
6313 PR rtl-optimization/34400
6314 * df-problems.c (df_live_scratch): New scratch bitmap.
6315 (df_live_alloc): Allocate df_live_scratch when doing df_live.
6316 (df_live_reset): Clear the proper bitmaps.
6317 (df_live_bb_local_compute): Only process the artificial defs once
6318 since the order is not important.
6319 (df_live_init): Init the df_live sets only with the variables
6320 found live by df_lr.
6321 (df_live_transfer_function): Use the df_lr sets to prune the
6322 df_live sets as they are being computed.
6323 (df_live_free): Free df_live_scratch.
6325 2008-01-18 Ian Lance Taylor <iant@google.com>
6327 * common.opt: Add fmerge-debug-strings.
6328 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
6329 flag_merge_debug_strings rather than flag_merge_constants.
6330 * doc/invoke.texi (Option Summary): Mention
6331 -fmerge-debug-strings.
6332 (Debugging Options): Document -fmerge-debug-strings.
6334 2008-01-18 Ian Lance Taylor <iant@google.com>
6337 * tree.h (DECL_IS_OPERATOR_NEW): Define.
6338 (struct tree_function_decl): Add new field operator_new_flag.
6339 * tree-inline.c (expand_call_inline): When inlining a call to
6340 operator new, force the return value to go into a variable, and
6341 set DECL_NO_TBAA_P on that variable.
6342 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
6344 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
6347 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
6348 DWARF2_DEBUGGING_INFO.
6349 (dwarf2out_note_section_used): Ditto. Add prototype.
6350 (have_multiple_function_sections, text_section_used,
6351 cold_text_section_used, *cold_text_sections): Move declarations
6354 2008-01-17 Bob Wilson <bob.wilson@acm.org>
6356 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
6357 field and add signal_ra.
6358 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
6359 assignments to frame state pc. Move end of stack check after
6360 MD_FALLBACK_FRAME_STATE_FOR.
6361 (uw_update_context_1): Use frame state signal_regs if set, instead
6362 of checking signal_frame flag.
6363 (uw_update_context): Use frame state signal_ra if set.
6364 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
6365 * config/xtensa/linux-unwind.h: New file.
6367 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
6369 * modulo-sched.c (get_sched_window): Fix comment typo.
6371 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
6373 PR tree-optimization/34648
6374 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
6376 2008-01-17 Anatoly Sokolov <aesok@post.ru>
6378 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
6379 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
6381 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
6383 PR rtl-optimization/34400
6384 * df-core.c (df_worklist_dataflow_overeager,
6385 df_worklist_dataflow_doublequeue): New functions.
6386 (df_worklist_dataflow): Two different worklist solvers.
6387 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
6390 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6393 * doc/invoke.texi: Document the dependence on pthread for fopenmp
6394 and ftree-parallelize-loops.
6396 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
6398 PR rtl-optimization/34826
6399 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
6401 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
6403 * global.c (find_reg): Mark the eh regs as used if necessary.
6404 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
6405 * ra.h (struct allocno): no_eh_reg field added. Changed
6406 no_stack_reg type to bitfield.
6408 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
6410 * tree.c (substitute_in_expr): Add missing 'break'.
6412 2008-01-17 Richard Guenther <rguenther@suse.de>
6414 PR tree-optimization/34825
6415 * tree-ssa-math-opts.c (is_division_by): Do not recognize
6416 x / x as division to handle.
6418 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6420 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
6421 "-pthread" is specified.
6422 * pa-hpux11.h (LIB_SPEC): Likewise.
6424 2008-01-16 Janis Johnson <janis187@us.ibm.com>
6425 Peter Bergner <bergner@vnet.ibm.com>
6427 PR rtl-optimization/33796
6428 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
6430 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6432 PR libgfortran/34699
6433 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
6435 * pa-hpux10.h (LINK_SPEC): Likewise.
6436 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
6438 2008-01-16 Richard Guenther <rguenther@suse.de>
6441 * fold-const.c (fold_convert_const_int_from_int): Do not
6442 set overflow if that occured only because of a sign extension
6443 change when converting from/to a sizetype with the same
6444 precision and signedness.
6446 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
6449 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
6450 location address to the correct place. Update copyright year.
6452 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6454 * lambda-code.c (lambda_transform_legal_p): Handle the case of
6455 no dependences in the dependence_relations vector.
6457 2008-01-16 Jan Hubicka <jh@suse.cz>
6459 PR rtl-optimization/31396
6460 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
6461 * cfg.c (dump_reg_info): Print it.
6462 * regs.h (struct reg_info_t): add freq_calls_crossed.
6463 (REG_FREQ_CALLS_CROSSED): New macro.
6464 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
6465 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
6466 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
6467 regmove_optimize): Update call crossed frequencies.
6468 * local-alloc.c (struct qty): Add freq_calls_crossed.
6469 (alloc_qty): Copute freq_calls_crossed.
6470 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
6471 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
6472 * ra.h (struct allocno): Add freq_calls_crossed.
6474 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6476 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
6477 libgomp when compiling with ftree-parallelize-loops.
6478 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
6480 2008-01-16 Richard Guenther <rguenther@suse.de>
6482 PR tree-optimization/34769
6483 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
6484 * tree.c (int_cst_value): Instead make this function more
6485 permissive in what it accepts as valid input. Document this
6486 function always sign-extends the value.
6488 2008-01-16 Jakub Jelinek <jakub@redhat.com>
6489 Richard Guenther <rguenther@suse.de>
6492 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
6493 (gimple_fold_indirect_ref_rhs): ... this.
6494 (gimple_fold_indirect_ref): New function with foldings
6495 that preserve lvalueness.
6496 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
6497 * tree-flow.h (gimple_fold_indirect_ref): Declare.
6498 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
6499 to fold an INDIRECT_REF, fall back to the old use of
6500 fold_indirect_ref_1.
6502 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6504 * tree-data-ref.c (subscript_dependence_tester_1): Call
6505 free_conflict_function.
6506 (compute_self_dependence): Same.
6508 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
6511 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
6512 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
6514 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
6515 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
6516 for DWARF2_UNWIND_INFO targets.
6518 2008-01-16 Richard Guenther <rguenther@suse.de>
6521 * c-typeck.c (common_pointer_type): Do not merge inconsistent
6522 type qualifiers for function types.
6524 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
6526 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
6527 loop_iterator li from previous commit.
6529 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
6531 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
6533 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
6535 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
6536 (parallelize_loops): Don't parallelize irreducible components.
6538 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6541 * c-opts (c_common_post_options): Do not enable CPP
6542 flag_pedantic_errors by default.
6544 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
6546 PR rtl-optimization/31944
6547 * cse.c (remove_pseudo_from_table): New function.
6548 (merge_equiv_classes): Use above function to remove pseudo-registers.
6549 (invalidate): Likewise.
6551 2008-01-13 Richard Guenther <rguenther@suse.de>
6554 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
6555 instead of TYPE_MODE to deal with calls from expand_one_error_var.
6557 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
6559 * gcse.c (cprop_jump): Call validate_unshare_change instead of
6560 validate_change to unshare the source of the PC set.
6562 2008-01-12 Jan Hubicka <jh@suse.cz>
6565 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
6566 references above array bounds. This might trigger bounds checks for
6569 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
6571 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
6572 new_replaceable_dependencies.
6574 2008-01-12 Doug Kwan <dougkwan@google.com>
6576 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
6577 instead of OPT_Wreturn_type in warning due to ignored return type
6579 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
6580 options included in -Wextra.
6581 * c.opt: New option -Wignored_qualifiers.
6582 * doc/invoke.texi (Warning Options, -Wextra): Add new option
6583 -Wignore_qualifiers.
6584 (-Wignored-qualifiers): Document.
6585 (-Wreturn-type): Remove description of functionality now handled
6586 by -Wignored-qualifiers.
6588 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
6591 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
6592 NOP_EXPR if it is between integral types with the same precision.
6594 2008-01-12 Jan Hubicka <jh@suse.cz>
6597 * invoke.texi (max-inline-recursive-depth): Fix default value.
6599 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
6601 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
6604 2008-01-11 Bob Wilson <bob.wilson@acm.org>
6606 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
6608 2008-01-11 James E. Wilson <wilson@specifix.com>
6611 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
6613 2008-01-11 Anatoly Sokolov <aesok@post.ru>
6615 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
6616 save/restore frame pointer register and don't use 'call-prologues'
6617 optimization in function with "OS_task" attribute.
6619 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
6622 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
6623 when copying to memory.
6625 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
6627 PR rtl-optimization/30905
6628 * cfgcleanup.c: Include dce.h
6629 (crossjumps_occured): New global variable.
6630 (try_crossjump_bb): Exit loop after finding a fallthru edge.
6631 If something changed, set crossjumps_occured to true.
6632 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
6633 Don't add/remove fake edges to exit here...
6634 (cleanup_cfg): ...but do it here, when crossjumping.
6635 Run a fast DCE when successful crossjumps occured in the latest
6636 iteration of try_optimize_cfg.
6638 2008-01-11 Richard Guenther <rguenther@suse.de>
6640 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
6641 (struct vn_unary_op_s): Likewise.
6642 (vn_reference_insert): Free old reference on hash collision.
6644 2008-01-10 Raksit Ashok <raksit@google.com>
6646 PR rtl-optimization/27971
6647 * combine.c (find_split_point): Split PLUS expressions which are
6648 inside a MEM rtx, and whose first operand is complex.
6650 2008-01-10 DJ Delorie <dj@redhat.com>
6652 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
6653 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
6654 (m32c_hard_regno_ok): Call the underlying function.
6656 2008-01-10 Richard Guenther <rguenther@suse.de>
6659 * tree-cfg.c (tree_merge_blocks): Do not go through the
6660 full-blown folding and stmt updating path if we just deal
6661 with virtual operands.
6662 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
6663 test for abnormal SSA_NAMEs.
6665 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
6668 * reload.c (push_reload): Add assertions. All constants from
6669 reg_equiv_constant should have been used for replacing the respective
6671 (find_reloads_address): Invoke find_reloads_address_part for
6672 constant taken from the reg_equiv_constant array.
6674 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
6676 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
6677 field (valnum) the first in the struct. Replace bools with
6680 2008-01-10 Richard Guenther <rguenther@suse.de>
6682 PR tree-optimization/34651
6683 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
6684 types and ordering for masking and converting.
6686 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
6688 PR tree-optimization/34017
6689 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
6690 also for PHI_NODE expressions.
6692 2008-01-09 Jan Hubicka <jh@suse.cz>
6694 PR tree-optimization/34708
6695 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
6696 based on number of case labels.
6697 (init_inline_once): Remove switch_cost.
6698 * tree-inline.h (eni_weights_d): Remove switch_cost.
6700 2008-01-09 Richard Guenther <rguenther@suse.de>
6701 Andrew Pinski <andrew_pinski@playstation.sony.com>
6704 * gimplify.c (gimplify_cond_expr): Do not create an addressable
6705 temporary if an rvalue is ok or an lvalue is not required.
6707 2008-01-09 Richard Guenther <rguenther@suse.de>
6710 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
6713 2008-01-09 Richard Guenther <rguenther@suse.de>
6716 * tree.c (host_integerp): Check for sizetype only if the
6717 type is an integer type.
6719 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
6722 * opts.c (decode_options): Disable inlining of functions called
6723 once if not in unit-at-a-time mode.
6725 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
6727 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
6729 2008-01-08 Richard Guenther <rguenther@suse.de>
6732 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
6733 out early if the result will be unused.
6735 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
6740 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6741 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
6744 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
6746 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
6747 for vectorization tuned.
6749 2008-01-08 Richard Guenther <rguenther@suse.de>
6751 PR tree-optimization/34683
6752 * tree-ssa-operands.c (operand_build_cmp): Export.
6753 * tree-ssa-operands.h (operand_build_cmp): Declare.
6754 * tree-vn.c (vuses_compare): Remove.
6755 (sort_vuses): Use operand_build_cmp.
6756 (sort_vuses_heap): Likewise.
6757 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
6758 to re-use old VEC if available. Do not sort already sorted VUSEs.
6759 (vdefs_to_vec): Do not sort already sorted VDEFs.
6761 2008-01-08 Jakub Jelinek <jakub@redhat.com>
6764 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
6766 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
6769 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
6770 limitations of reciprocal sequences on x86 targets.
6772 2008-01-08 Richard Guenther <rguenther@suse.de>
6774 PR tree-optimization/34683
6775 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
6777 2008-01-07 Jakub Jelinek <jakub@redhat.com>
6780 * config/darwin.c (darwin_mergeable_string_section): Don't use
6781 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
6783 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
6786 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
6787 negxf2. Macroize expander using X87MODEF mode iterator. Change
6788 predicates of op0 and op1 to register_operand.
6789 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
6790 expander using X87MODEF mode iterator. Change predicates of
6791 op0 and op1 to register_operand.
6792 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
6793 corresponding patterns and macroize using MODEF macro. Change
6794 predicates of op0 and op1 to register_operand and remove
6795 "m" constraint. Disparage "r" alternative with "!".
6796 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
6797 macroize using X87MODEF macro. Change predicates of op0 and op1
6798 to register_operand and remove "m" constraint. Disparage "r"
6799 alternative with "!".
6800 (absneg splitter with memory operands): Remove.
6801 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
6802 patterns and macroize using X87MODEF mode iterator.
6803 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
6804 Change predicate of op1 to register_operand.
6805 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
6806 for memory operands.
6808 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
6810 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
6812 2008-01-07 Richard Guenther <rguenther@suse.de>
6814 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
6817 2008-01-07 Richard Guenther <rguenther@suse.de>
6819 PR tree-optimization/34683
6820 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
6821 VOPs of the needed size to save memory. Use VEC_quick_push
6822 to save compile-time.
6823 (vdefs_to_vec): Likewise.
6825 2008-01-07 Sa Liu <saliu@de.ibm.com>
6827 * config/spu/spu.md (divdf3): Genetate inline code for double
6828 division. The implementation doesn't handle INF or NAN, therefore it
6829 only applies when -ffinite-math-only is given.
6831 2008-01-06 Paolo Carlini <pcarlini@suse.de>
6834 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
6835 * doc/cpp.texi ([Common Predefined Macros]): Document.
6837 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
6839 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
6840 order to use commutative addition instead of subtraction.
6842 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
6843 Mircea Namolaru <namolaru@il.ibm.com>
6844 Vladimir Yanovsky <yanov@il.ibm.com>
6845 Revital Eres <eres@il.ibm.com>
6847 PR tree-optimization/34263
6848 * tree-outof-ssa.c (process_single_block_loop_latch,
6849 contains_tree_r): New functions.
6850 (analyze_edges_for_bb): Call process_single_block_loop_latch
6851 function to empty single-basic-block latch block if possible.
6853 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6855 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
6857 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
6859 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
6861 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
6863 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
6865 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
6867 2008-01-05 Jakub Jelinek <jakub@redhat.com>
6869 PR tree-optimization/34618
6870 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
6873 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6876 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
6877 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
6878 Update copyright year.
6880 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
6881 Update copyright year.
6882 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
6885 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
6887 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
6888 edge does not point to current bb before changing need_assert.
6890 2008-01-04 Richard Guenther <rguenther@suse.de>
6893 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
6894 for verifying purposes if they are is_gimple_min_invariant.
6896 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
6898 PR tree-optimization/34448
6899 PR tree-optimization/34465
6900 * gimplify.c (gimplify_init_constructor): Add new parameter
6901 notify_temp_creation. Use it.
6902 (gimplify_modify_expr_rhs): Take volatiles into account when
6903 optimizing constructors.
6904 Do not optimize constructors if gimplify_init_constructor will dump to
6906 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
6907 * gcc.c-torture/compile/pr34448.c: New.
6909 2008-01-04 Jakub Jelinek <jakub@redhat.com>
6911 PR gcov-profile/34609
6912 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
6913 return_slot if result is TREE_ADDRESSABLE.
6915 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
6917 * config/mips/mips.md (sqrt_condition): Tweak comment.
6918 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
6920 2008-01-03 Tom Tromey <tromey@redhat.com>
6923 * c-common.c (c_type_hash): Handle VLAs.
6925 2008-01-03 Jan Hubicka <jh@suse.cz>
6927 PR tree-optimization/31081
6928 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
6929 0 when inlining and not inlining to first basic block.
6930 (remap_decl): When var is initialized to 0, don't set default_def.
6931 (expand_call_inline): Set entry_bb.
6932 * tree-inline.h (copy_body_data): Add entry_bb.
6934 2008-01-03 Jakub Jelinek <jakub@redhat.com>
6937 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
6940 PR tree-optimization/29484
6941 * tree-inline.c (inline_forbidden_p_2): New function.
6942 (inline_forbidden_p): Disallow inlining if some static var
6943 has an address of a local LABEL_DECL in its initializer.
6944 * doc/extend.texi (Labels as Values): Document &&foo behaviour
6947 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
6949 PR tree-optimization/34635
6950 * tree-data-ref.c (add_other_self_distances): Make sure that the
6951 evolution step is constant.
6953 2008-01-03 Jakub Jelinek <jakub@redhat.com>
6956 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
6958 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
6960 * tree-sra.c (scalarize_init): Insert the generate_element_init
6961 statements after the generate_element_zero statements.
6963 2008-01-02 Richard Guenther <rguenther@suse.de>
6967 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
6968 for very large number of operands instead of ICEing.
6970 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
6973 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
6974 while stack probing.
6976 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
6978 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
6981 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
6984 * tree-mudflap.c (mx_register_decls): Guard warning by
6985 !DECL_ARTIFICIAL check.
6987 2008-01-01 Jakub Jelinek <jakub@redhat.com>
6989 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
6990 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
6991 sse5_perm<mode>): Fix constraints.