1 2008-05-02 Vladimir Makarov <vmakarov@redhat.com>
3 * ira-conflicts.c (print_conflicts): Exclude non-allocatable hard
4 regs and hard regs from different cover classes.
5 (ira_build_conflicts): Build conflicts only for optimization mode.
7 * cfgloopanal.c (estimate_reg_pressure_cost): Decrease cost only
10 * caller-save.c (caller-save.c, calculate_local_save_info,
11 save_call_clobbered_regs): Do save/restore placement optimization
12 and sharing stack slots only for optimization mode.
14 * ira-int.h (set_allocno_cover_class, ira_fast_allocation): New
17 * ira-color.c (assign_hard_reg): Clear conflicting_regs.
18 (allocno_assign_compare_func, allocno_assign_compare_func): New
21 * global.c (build_insn_chain): Add spilled pseudos only in
24 * ira-emit.c (modify_move_list): Use set_allocno_cover_class.
26 * alias.c (nonoverlapping_memrefs_p): Check addresses only in
29 * ira-build.c (create_allocno): Initialize
30 ALLOCNO_CONFLICT_HARD_REGS and ALLOCNO_TOTAL_CONFLICT_HARD_REGS by
31 non-allocatable hard reg set.
32 (set_allocno_cover_class): New function.
33 (create_cap_allocno): Use set_allocno_cover_class.
34 (ira_build): Call create_loop_tree_node_caps,
35 propagate_info_to_loop_tree_node_caps, and
36 propagate_info_to_loop_tree_node_caps only in optimization mode.
37 * ira.c (setup_reg_renumber): Add optimize to ira_assert.
38 (ira): Call find_reg_equiv_invariant_const, ira_color,
39 sort_insn_chain, and fix_reg_equiv_init only in optimization mode.
40 Call ira_fast_allocation for -O0. Use right argument for reload.
42 * ira-costs.c (find_allocno_class_costs): Use important_classes
43 only for optimization mode.
44 (setup_allocno_cover_class_and_costs): Use
45 set_allocno_cover_class. Initialize cost vectors only in
46 optimization mode. Call process_bb_node_for_hard_reg_moves only
49 * reload1.c (compute_use_by_pseudos): Add optimize to ira_assert.
50 (reload): Sort pseudo-registers only optimization mode. Restore
51 original order for insn chain only in optimization mode.
52 (calculate_needs_all_insns): Call mark_memory_move_deletion only
54 (count_pseudo, count_spilled_pseudo): Check spilled pseudos only
56 (alter_reg): Share stack slots only in optimization mode.
57 (finish_spills): Check spilled pseudos only in optimization mode.
58 (emit_input_reload_insns, delete_output_reload): Call
59 mark_allocation_change only in optimization mode.
61 2008-05-01 Vladimir Makarov <vmakarov@redhat.com>
63 * ira-int.h (IRA_BB_NODE_BY_INDEX, IRA_LOOP_NODE_BY_INDEX): Use
64 gcc_unreachable instead of exit.
65 (struct allocno): New members min, max, and conflict_id.
66 (ALLOCNO_MIN, ALLOCNO_MAX, ALLOCNO_CONFLICT_ID): New macros.
67 (conflict_id_allocno_map):
68 (SET_ALLOCNO_SET_BIT, CLEAR_ALLOCNO_SET_BIT,
69 TEST_ALLOCNO_SET_BIT): Add two new parameters. Add versions for
71 (allocno_set_iterator): Add new member start_val.
72 (allocno_set_iter_init): Add two new parameters. Set up
74 (allocno_set_iter_cond): Use start_val.
75 (FOR_EACH_ALLOCNO_IN_SET): Add two new parameters.
76 (allocno_set_words): Remove.
77 (allocno_conflict_iterator): Add new member base_conflict_id.
78 (allocno_conflict_iter_init): Set up base_conflict_id. Use
79 ALLOCNO_MIN and ALLOCNO_MAX.
80 (allocno_conflict_iter_cond): Use conflict_id_allocno_map and
83 * ira-lives.c: Include sparseset.h.
84 (allocno_set_words, SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE,
85 TEST_ALLOCNO_LIVE, allocnos_live_bitmap): Remove.
86 (allocnos_live): Define as sparseset.
87 (make_regno_born, clear_allocno_live, mark_reg_store,
88 mark_reg_death, process_single_reg_class_operands,
89 process_bb_node_lives, create_allocno_live_ranges): Don't use
90 allocnos_live_bitmap. Use allocnos_live as sparseset.
92 * Makefile.in (ira-conflicts.o, ira-lives.o): Add sparseset.h
94 * ira-conflicts.c: Add sparseset.h header.
95 (mirror_conflicts): Remove.
96 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE, TEST_ALLOCNO_LIVE): Remove.
97 (allocnos_live): Remove.
99 (CONFLICT_ALLOCNO_P): New.
100 (build_conflict_bit_table): Use sparseset. Use FOR_EACH_ALLOCNO.
101 Allocate bits for [min..max] range. Report conflict bit table
102 sizes. Setup conflicts for both allocnos.
103 (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for copy vectors.
104 (remove_conflict_allocno_copies): Use CONFLICT_ALLOCNO_P. Rename
105 conflict_allocno_copy_varray to conflict_allocno_copy_vec and make
107 (build_allocno_conflicts): Use two new arguments for
108 FOR_EACH_ALLOCNO_IN_SET. Use conflict_id_allocno_map. Modify
109 calculation of ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE. Use two new
110 arguments for SET_ALLOCNO_SET_BIT.
111 (ira_build_conflicts): Don't call mirror_conflicts.
113 * ira-color.c (varray.h): Remove.
114 (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for
116 (allocno_stack_varray): Rename to allocno_stack_vec. Make it a
118 (assign_hard_reg, push_allocno_to_stack, pop_allocnos_from_stack,
119 ira_color): Use allocno_stack_vec as VEC.
121 * ira-build.c (setup_min_max_allocno_live_range_point,
122 allocno_range_compare_func, sort_conflict_id_allocno_map,
123 setup_min_max_conflict_allocno_ids): New function.
124 (conflict_id_allocno_map, conflict_id_allocno_map_vec): New global
126 (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for allocno vectors.
127 (allocno_varray): Rename to allocno_vec and make it a VEC.
128 (initiate_allocnos): Initiate conflict_id_allocno_map_vec. Use
129 allocno_vec as a VEC.
130 (create_allocno): Initiate min, max, and conflict_id_allocno.
131 Update conflict_id_allocno_map. Use allocno_vec as a VEC.
132 (allocate_allocno_conflict_bit_vec): Use ALLOCNO_MIN and
134 (add_to_allocno_conflicts): Ditto.
135 (remove_wrong_conflicts): Ditto. Use conflict_id_allocno_map.
136 (change_allocno_conflicts): Ditto. Use add_to_allocno_conflicts
137 instead of SET_ALLOCNO_SET_BIT.
138 (finish_allocnos): Free conflict_id_allocno_map_vec. Use
139 allocno_vec as a VEC.
140 (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for copy vectors.
141 (copy_varray): Rename to copy_vec and make it a VEC.
142 (initiate_copies, create_copy, finish_copies): Use copy_vec as
144 (ira_build): Call setup_min_max_allocno_live_range_point,
145 sort_conflict_id_allocno_map, and
146 setup_min_max_conflict_allocno_ids.
148 * ira-emit.c (move_t): New typedef.
149 (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for move vectors.
150 (move_varray): Rename it to move_vec and make it a VEC.
151 (emit_move_list, add_range_and_copies_from_move_list): Use move_t.
152 (traverse_moves, ira_emit): Ditto. Use move_vec as a VEC.
153 (modify_move_list): Ditto. Set up conflict_id, min, and max for
156 2008-04-10 Vladimir Makarov <vmakarov@redhat.com>
158 * reload1.c (substitute, gen_reload_chain_without_interm_reg_p):
160 (reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
162 2008-04-09 Vladimir Makarov <vmakarov@redhat.com>
164 * ira.c (ira): Move allocate_initial_values after initializing reg
167 2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
169 * config/spu/spu.h (IRA_COVER_CLASSES): New macro.
171 2008-04-08 Vladimir Makarov <vmakarov@redhat.com>
173 * ira-color.c (assign_hard_reg): Add debug printing.
175 * ira-lives.c (mark_reg_store, mark_reg_death,
176 process_bb_node_lives): Ignore hard regno of class NO_REGS.
178 * ira.c: Fix typos in comments.
180 2008-04-07 Vladimir Makarov <vmakarov@redhat.com>
182 * cfgloopanal.c (estimate_reg_pressure_cost): Decrease register
183 pressure cost for IRA regional allocation.
185 * ira.c: Add IRA overview.
187 2008-04-06 Vladimir Makarov <vmakarov@redhat.com>
189 * ira-int.h (reg_class_intersect, reg_class_union): Add comments.
191 * hard-reg-set.h (reg_class_subclasses): New external definition.
193 * ira.c (setup_reg_class_intersect_union): Define for classes
194 containing no hard registers available for allocation.
196 * regclass.c (reg_class_subclasses): Make it external.
198 * config/sh/sh.h (IRA_COVER_CLASSES): Add TARGET_REGS.
200 2008-04-05 Vladimir Makarov <vmakarov@redhat.com>
202 * toplev.c (backend_init_target): Move init_ira after
203 init_fake_stack_mems.
205 * config/sh/sh.c (sh_secondary_reload): Remove check of x on null.
207 2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
209 * config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
211 2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
213 * config/sh/sh.h (IRA_COVER_CLASSES): Define.
214 * config/sh/sh.c (sh_secondary_reload): Return NO_REGS for
216 * config/sh/sh.md (movsicc_true+3): Check if emit returns
218 * final.c (update_regs_ever_live): Check null rtl.
220 2008-04-04 Vladimir Makarov <vmakarov@redhat.com>
222 * reload1.c: Remove spaces before [.
224 * ira-conflicts.c, ira-int.h, ira-color.c, ira-lives.c,
225 ira-emit.c, ira-build.c, ira.c, ira.h, ira-costs.c: Ditto. Use
228 * caller-save.c: Ditto.
229 (set_up_bb_rts_numbers, rpost_cmp): Remove.
230 (save_trans_fun, save_con_fun_0, save_con_fun_n): New functions.
231 (struct bb_info): Remove member rts_number.
232 (calculate_local_save_info): Setup empty_save_in_p for abnormal
234 (all_blocks): New variable.
235 (calculate_save_in_out): Use df_simple_dataflow.
236 (make_global_save_analysis): Allocate/setup/free all_blocks.
238 2008-04-04 Vladimir Makarov <vmakarov@redhat.com>
240 * ira-costs.c: Use GPL3 in the header.
241 (find_allocno_class_costs): Use all important
242 classes on the 1st iteration.
244 2008-04-03 Vladimir Makarov <vmakarov@redhat.com>
246 PR rtl-optimization/35817
247 * ira-costs.c (ira-costs.c): Check have_regs_of_mode.
249 2008-04-02 Vladimir Makarov <vmakarov@redhat.com>
251 * ira-color.c (start_allocno_priorities): Permit zero allocno
254 2008-03-31 Vladimir Makarov <vmakarov@redhat.com>
256 * ira-color.c (push_allocnos_to_stack): Don't use double. Use
257 const as the secondary heuristic.
259 * ira-emit.c (set_allocno_reg): Change cap reg too. Process all
262 * doc/invoke.texi (-fira-coalescing): Change to -fira-coalesce.
264 * toplev.h (flag_lower_subreg): Remove.
266 * global.c (build_insn_chain): Remove the prototype.
268 * alias.c (value_addr_p): Change comment.
270 * emit-rtl.c (gen_lowpart_common): Remove CONCATN.
272 * simplify-rtx.c (simplify_subreg): Ditto.
274 * common.opt (flower-subreg): Remove.
276 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Fix last
279 2008-03-29 Vladimir Makarov <vmakarov@redhat.com>
281 * ira-lives (process_single_reg_class_operands): Fix typo in
282 setting up cover_class.
284 2008-03-28 Vladimir Makarov <vmakarov@redhat.com>
286 * ira-conflicts.c, global.c, regmove.c, function.c,
287 ira-emit.c, alias.c, reload1.c: Add comments, fix comments.
289 * reload.h: Add 2008 to the Copyright.
291 * caller-save.c: Add comments.
292 (reg_save_code, reg_restore_code, initiate_saved_hard_regs,
293 new_saved_hard_reg, finish_saved_hard_regs,
294 saved_hard_reg_compare_func, calculate_local_save_info,
295 set_up_bb_rts_numbers, rpost_cmp, calculate_save_in_out,
296 calculate_save_here, make_global_save_analysis,
297 print_hard_reg_set_and_mode, print_hard_reg_set, print_save_data,
298 set_hard_reg_saved, add_stored_regs): Add prototypes.
300 * df-scan.c (df_get_call_refs): Use
301 get_call_invalidated_used_regs.
303 * ira-int.h: Add comments.
304 (loop_tree_node): Rename inner to children.
305 (ira_allocate_regset, ira_free_regset): Remove.
306 (reassign_conflict_allocnos): Remove one parameter.
308 * ira-color.c: Add comments.
309 (setup_curr_costs): Rename to update_curr_costs.
310 (allocno_cost_compare_func, print_coalesced_allocno,
311 allocno_reload_assign): Add prototypes.
312 (reassign_conflict_allocnos): Remove one parameter.
314 * ira-lives.c: Add comments.
315 (make_regno_dead, make_regno_born_and_dead,
316 create_start_finish_chains, print_allocno_live_ranges,
317 print_live_ranges): Add protoypes.
319 * ira-build.c: Add comments.
320 (copy_allocno_live_range_list): Make it static.
322 * ira.c: Add comments.
323 (setup_cover_classes): Rename to
324 setup_cover_and_important_classes.
325 (free_register_move_costs, chain_freq_compare, chain_bb_compare,
326 ira): New prototypes.
327 (mode_inner_mode, setup_inner_mode, ira_allocate_regset,
328 ira_free_regset): Remove.
330 * ira.h: Add comments.
331 (SECONDARY_INPUT_RELOAD_CLASS,
332 SECONDARY_OUTPUT_RELOAD_CLASS, HAVE_SECONDARY_RELOADS,
333 MEMORY_MOVE_COST, reg_equiv_memory_loc_varray, reg_equiv_constant,
334 reg_equiv_memory_loc, reg_equiv_address, reg_equiv_mem, ira):
337 * ira-costs.c: Add comments.
338 (find_allocno_class_costs): Make common class a cover class.
340 2008-03-20 Vladimir Makarov <vmakarov@redhat.com>
342 * ira-int.h (allocno): Rename conflict_allocno_vec and
343 conflict_allocno_vec_size into conflict_allocno_array and
344 conflict_allocno_array_size. Remove conflict_allocnos_num.
345 Rename total_conflict_allocnos_num into conflict_allocnos_num New
346 members child_renamed_p and conflict_vec_p.
347 (ALLOCNO_CONFLICT_ALLOCNO_VEC): Rename to
348 ALLOCNO_CONFLICT_ALLOCNO_ARRAY.
349 (ALLOCNO_CONFLICT_ALLOCNO_VEC_SIZE): Rename to
350 ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE.
351 (ALLOCNO_CHILD_RENAMED_P, ALLOCNO_CONFLICT_VEC_P): New macros.
352 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Change to
353 FOR_EACH_ALLOCNO_IN_SET.
354 (allocno_set_iterator): New typedef.
355 (allocno_set_iter_init, allocno_set_iter_cond,
356 allocno_set_iter_next): New functions.
357 (conflict_vector_profitable_p, allocate_allocno_conflict_vec): New
359 (allocno_iterator): New typedef.
360 (allocno_iter_init, allocno_iter_cond): New functions.
361 (FOR_EACH_ALLOCNO): New macro.
362 (copy_iterator): New typedef.
363 (copy_iter_init, copy_iter_cond): New functions.
364 (FOR_EACH_COPY): New macro.
365 (allocno_conflict_iterator): New typedef.
366 (allocno_conflict_iter_init, allocno_conflict_iter_cond,
367 allocno_conflict_iter_next): New functions.
368 (conflict_vector_profitable_p, allocate_allocno_conflict_vec): New
370 (FOR_EACH_ALLOCNO_CONFLICT): New macro.
372 * ira-conflicts.c (conflicts): Change type.
373 (CONFLICT_P): Use one more index for conflicts.
374 (build_conflict_bit_table): Change allocation and initialization
376 (mirror_conflicts): Rewrite.
377 (remove_conflict_allocno_copies): Use FOR_EACH_ALLOCNO.
378 (build_allocno_conflict_vects): Rename to build_allocno_conflicts.
380 (print_conflicts): Use FOR_EACH_ALLOCNO, don't print star.
381 (ira_build_conflicts): Use FOR_EACH_ALLOCNO.
383 * ira-color.c (assign_hard_reg): Use FOR_EACH_ALLOCNO_CONFLICT.
384 Use min_full_cost for finding register profitability.
385 (push_allocno_to_stack): Use FOR_EACH_ALLOCNO_CONFLICT.
386 (setup_allocno_left_conflicts_num, coalesced_allocno_conflict_p):
388 (move_spill_restore): Use FOR_EACH_ALLOCNO.
389 (reassign_conflict_allocnos): Ditto. Use
390 FOR_EACH_ALLOCNO_CONFLICT.
391 (sort_regnos_for_alter_reg): Use FOR_EACH_ALLOCNO.
392 (reassign_pseudos): Use FOR_EACH_ALLOCNO_CONFLICT.
394 * ira-lives.c (make_regno_born, clear_allocno_live,
395 mark_reg_death, process_single_reg_class_operands,
396 process_bb_node_lives): Use FOR_EACH_ALLOCNO_IN_SET.
397 (create_start_finish_chains, print_live_ranges): Use
400 * ira-emit.c (set_allocno_reg): Set up ALLOCNO_CHILD_RENAMED_P.
401 (set_allocno_somewhere_renamed_p): Use
402 ALLOCNO_CONFLICT_ALLOCNO_ARRAY.
403 (ira_emit): Use FOR_EACH_ALLOCNO.
405 * ira.c (setup_reg_renumber, setup_allocno_assignment_flags,
406 calculate_allocation_cost, check_allocation,
407 print_redundant_copies, setup_preferred_alternate_classes): Use
410 * ira-costs.c (print_costs, setup_allocno_cover_class_and_costs,
411 ira_costs, tune_allocno_costs_and_cover_classes): Use
414 * ira-build.c (check_allocno_conflict_vec): Remove.
415 (add_to_allocno_conflict_vec): Rename to
416 allocate_allocno_conflicts. Rewrite.
417 (allocate_allocno_conflict_bit_vec, allocate_allocno_conflicts,
418 remove_wrong_conflicts, change_allocno_conflicts): New functions.
419 (rebuild_regno_allocno_maps): Use FOR_EACH_ALLOCNO.
420 (create_allocno): Initialize ALLOCNO_CHILD_RENAMED_P and
421 ALLOCNO_CONFLICT_VEC_P.
422 (conflict_vector_profitable_p): New function.
423 (compress_allocno_conflict_vec): Use
424 ALLOCNO_CONFLICT_ALLOCNO_ARRAY and don't use
425 ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM.
426 (compress_conflict_vecs): Use FOR_EACH_ALLOCNO. Check
427 ALLOCNO_CONFLICT_VEC_P.
428 (propagate_info_to_cap): Use FOR_EACH_ALLOCNO_CONFLICT.
429 (finish_allocnos): Use FOR_EACH_ALLOCNO.
430 (finish_copies): Use FOR_EACH_COPY.
431 (check_and_add_conflicts): Change second parameter. Use
432 add_to_allocno_conflicts instead of add_to_allocno_conflict_vec.
433 (temp_change_bit_vec): New variable.
434 (ira_flattening): Use FOR_EACH_ALLOCNO and FOR_EACH_COPY. Use
435 remove_wrong_conflicts, change_allocno_conflicts. Allocate and
436 free temp_change_bit_vec. Nullify `allocnos' elements for removed
437 allocnos. Check ALLOCNO_CHILD_RENAMED_P for removing obsolete
438 conflicts. Don't compress and enumerate allocnos and copies.
439 Nullify `copies' elements for removed copies. Use
440 add_to_allocno_conflicts instead of add_to_allocno_conflict_vec.
441 (ira_build): Use FOR_EACH_ALLOCNO.
443 2008-03-18 Vladimir Makarov <vmakarov@redhat.com>
445 * common.opt (fira-algorithm): Fix description
447 * ira-int.h (allocno): Remove best_class.
448 (ALLOCNO_BEST_CLASS): Remove.
449 (strict_class_subset_p): Remove.
451 * ira-color.c (get_coalesced_allocnos_best_class_and_freq): Rename
452 to get_coalesced_allocnos_attributes. Change prototype.
453 Calculate available regs.
454 (bucket_allocno_compare_func, sort_bucket): New functions.
455 (sorted_allocnos_for_spilling): New variable.
456 (assign_hard_reg): Don't add prohibited_class_mode_regs to
457 conflicting_regs. Use it in loop for finding the best hard
459 (add_allocno_to_ordered_bucket): Use bucket_allocno_compare_func.
460 (push_only_colorable): Call sort_bucket.
461 (push_allocnos_to_stack): Use sorted_allocnos_for_spilling instead
463 (put_allocno_into_bucket): Use add_allocno_to_bucket instead of
464 add_allocno_to_ordered_bucket.
465 (initiate_ira_assign): Allocate sorted_allocnos_for_spilling.
466 (finish_ira_assign): Free sorted_allocnos_for_spilling.
468 * ira-emit.c (modify_move_list): Remove setting ALLOCNO_BEST_CLASS
471 * ira-build.c (create_allocno, create_cap_allocno): Ditto.
473 * ira.c (strict_class_subset_p): Remove.
474 (setup_class_subset_and_memory_move_costs): Remove setting
475 strict_class_subset_p up.
477 * ira-costs.c (setup_allocno_cover_class_and_costs): Remove
478 setting ALLOCNO_BEST_CLASS up.
480 2008-03-12 Vladimir Makarov <vmakarov@redhat.com>
482 * ira-int.h (allocno_pool, copy_pool, allocno_live_range_pool):
483 Remove external definitions.
484 (free_allocno_updated_costs, allocate_cost_vector,
485 free_cost_vector): New prototypes.
486 (allocate_and_set_costs, allocate_and_copy_costs,
487 allocate_and_set_or_copy_costs): Change prototypes. Use
488 allocate_cost_vector instead of ira_allocate.
490 * ira-conflicts.c (add_insn_allocno_copies): Pass register class
491 to allocate_and_set_costs.
493 * ira-color.c (update_copy_costs_1): Pass register class to
494 allocate_and_set_or_copy_costs.
495 (assign_hard_reg): Pass register class to allocate_and_copy_costs.
497 (pop_allocnos_from_stack, color_allocnos): Check updated costs.
498 (color_pass): Pass register class to allocate_and_set_costs. Free
500 (move_spill_restore): Check reg equivalences.
501 (setup_curr_costs): Pass register class to
502 allocate_and_set_or_copy_costs.
503 (reassign_conflict_allocnos, allocno_reload_assign): Check updated
505 (calculate_spill_cost): Use REG_N_REFS after checking regno.
507 * ira-lives.c (process_single_reg_class_operands): Pass register
508 class to allocate_and_set_costs.
510 * ira-build.c (allocno_pool, allocno_live_range_pool): New
512 (initiate_allocnos): Initiate the pools.
513 (free_allocno_updated_costs): New function.
514 (finish_allocno): Use free_cost_vector. Free the pools.
515 (copy_pool): New variable.
516 (initiate_copies): Initiate the pool.
517 (cost_vector_pool): New variable.
518 (initiate_cost_vectors, allocate_cost_vector, free_cost_vector,
519 finish_cost_vectors): New functions.
520 (ira_flattening): Call free_allocno_updated_costs. Check updated
522 (ira_build): Call initiate_cost_vectors.
523 (ira_destroy): Call finish_cost_vectors.
525 * ira.c (find_reg_equiv_invariant_const): Check read only memory.
526 (setup_reg_renumber, setup_allocno_assignment_flags): Call
527 free_allocno_updated_costs.
528 (ira): Remove initializations and freeing allocno_pool, copy_pool,
529 and allocno_live_range_pool. Call generate_setjmp_warnings.
531 * ira-costs.c (process_bb_node_for_hard_reg_moves,
532 tune_allocno_costs_and_cover_classes): Pass register class to
533 allocate_and_set_costs.
535 * caller-save.c (save_slots_num, save_slots): New variables.
536 (init_save_areas): Initiate save_slots_num.
537 (setup_save_areas): Use stack slots from the previous reload
538 iteration independetly what slot was used on the previous pass.
540 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
542 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
543 Remove commutativity hint.
545 2008-03-06 Vladimir Makarov <vmakarov@redhat.com>
547 * ira.h (sort_regnos_for_alter_reg): Add parameter.
549 * reload1.c (reload): Pass additional argument to
550 sort_regnos_for_alter_reg.
552 * ira-int.h (reg_equiv_len): New global variable.
554 * ira-emit.c (change_loop): Add assertion.
556 * ira.c (reg_equiv_len): New global variable.
557 (setup_reg_renumber): Use reg_equiv_len in assertion.
558 (ira): Initialize reg_equiv_len and spilled_reg_stack_slots.
560 * ira-color.c (coalesced_pseudo_reg_compare): Rename to
561 coalesced_pseudo_reg_freq_compare.
562 (coalesced_pseudo_reg_slot_compare,
563 setup_coalesced_allocno_costs_and_nums,
564 collect_spilled_coalesced_allocnos, coalesce_spill_slots): New
566 (coalesced_allocno_conflict_p): Add new parameter. Use live
567 ranges to find conflicts for the reload.
568 (coalesce_allocnos): Don't coalesce allocnos with equivalences.
569 (color_pass): Check reg_quiv_len.
570 (regno_max_ref_width): New variable.
571 (sort_regnos_for_alter_reg): Add secondary coalescing spilled
572 allocnos. Assign stack slot numbers. Use costs instead of
574 (mark_allocation_change): Set up allocno hard regno.
575 (allocno_reload_assign): Ditto.
576 (reuse_stack_slot): Use stack slot numbers.
577 (mark_new_stack_slot): Set up allocno slot number.
579 * doc/passes.texi: Add more info about IRA.
581 2008-03-03 Vladimir Makarov <vmakarov@redhat.com>
583 * ira-conflicts.c (allocno_conflict_p): Rename to
584 allocno_live_ranges_intersect_p.
585 (allocno_reg_conflict_p): Rename to
586 pseudo_live_ranges_intersect_p.
588 * ira-lives.c (high_pressure_start_point): New variable.
589 (update_allocno_pressure_excess_length): New function.
590 (make_regno_dead): Call it.
591 (set_allocno_live): Udpate high_pressure_start_point.
592 (clear_allocno_live, mark_reg_store, mark_reg_death): Ditto.
593 (process_bb_node_lives): Initialize high_pressure_start_point.
594 Consider only allocatable hard regs for liveness.
596 * ira-costs.c (record_reg_classes): Multiply cost by frequency.
597 Use half frequency when memory is allowed. Remove check for
598 prefferred small register classes of pseudo-registers.
599 (scan_one_insn): Continue processing operands for moves of
600 pseudo-registers with equivalence. Don't multiply cost by
602 (init_ira_costs): Use bigger initial cost value.
605 (allocno): New members somewhere_renamed_p and
606 excess_pressure_points_num.
607 (ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_EXCESS_PRESSURE_POINTS_NUM):
609 (allocno_reg_conflict_p): Rename to
610 pseudo_live_ranges_intersect_p.
611 (allocno_conflict_p): Rename to allocno_live_ranges_intersect_p.
613 * ira.h (sort_regnos_for_alter_reg, better_spill_reload_regno_p):
614 New function prototypes.
616 * ira-color.c (merge_allocnos): Remove mode check.
617 (coalesce_allocnos): Add parameter and modify to use it for
618 coalescing spilled allocnos.
619 (color_allocnos): Pass parameter to coalesce_allocnos.
620 (regno_coalesced_allocno_freq, regno_coalesced_allocno_num): New
622 (coalesced_pseudo_reg_compare, calculate_spill_cost,
623 sort_regnos_for_alter_reg, better_spill_reload_regno_p): New
625 (mark_allocation_change, allocno_reload_assign, reassign_pseudos
626 ): Use ALLOCNO_MEMORY_COST instead of ALLOCNO_UPDATED_MEMORY_COST.
627 (reuse_stack_slot): Use pseudo_live_ranges_intersect_p instead of
628 allocno_reg_conflict_p.
630 * ira-emit.c (set_allocno_somewhere_renamed_p): New function.
631 (renamed_regno_bitmap): New static variable.
632 (change_loop): Check register pressure for creating new pseudo.
633 Set up ALLOCNO_SOMEWHERE_RENAMED_P and renamed_regno_bitmap.
634 (ira_emit): Allocate/deallocate renamed_regno_bitmap.
635 Call set_allocno_somewhere_renamed_p.
637 * ira-build.c (ira_loops): Move to ira.c.
638 (create_allocno): Initialize ALLOCNO_SOMEWHERE_RENAMED_P and
640 (create_cap_allocno): Set up ALLOCNO_MEMORY_COST.
641 (check_and_add_conflicts): Use allocno_live_ranges_intersect_p
642 instead of allocno_conflict_p.
643 (ira_flattening): Check conflicts of allocno renamed somewhere
644 locally. Update ALLOCNO_EXCESS_PRESSURE_POINTS_NUM.
645 (ira_build): Move code for finding loops to ira.c.
646 (ira_destroy): Move code for freeing loops to ira.c.
648 * ira.c (setup_reg_class_intersect_union): Fix calculation of
650 (calculate_allocation_cost): Use ALLOCNO_MEMORY_COST instead of
651 ALLOCNO_UPDATED_MEMORY_COST.
652 (ira_loops): Move from ira-build.c.
653 (ira): Move code for finding and freeing loops from ira-build.c.
654 Don't use regional RA when there are too many loops.
656 * reload1.c (pseudo_reg_compare): Remove.
657 (reload): Use sort_regnos_for_alter_reg.
658 (hard_regno_to_pseudo_regno): New variable.
659 (count_pseudo): Set up hard_regno_to_pseudo_regno.
660 (order_regs_for_reload): Initialize hard_regno_to_pseudo_regno.
661 (count_spilled_pseudo): Update hard_regno_to_pseudo_regno.
662 (find_reg): Use better_spill_reload_regno_p. Check
663 hard_regno_to_pseudo_regno.
665 * cfgloopanal.c: Include params.h.
666 (estimate_reg_pressure_cost): Check number of loops.
668 * params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
670 * params.h (IRA_MAX_LOOPS_NUM): New macro.
672 * Makefile.in (cfgloopanal.o): Add PARAMS_H.
674 * doc/invoke.texi (ira-max-loops-num): Describe.
676 2008-02-20 Vladimir Makarov <vmakarov@redhat.com>
678 * ira.h, ira-emit.c: Add year 2008 to the copyright.
681 (struct copy): Rename move_insn to insn.
682 (initiate_ira_assign, finish_ira_assign, debug_allocno_copies):
683 New function prototypes.
685 * ira-build.c: Add year 2008 to the copyright. Rename member
686 move_insn of the copies to insn.
687 (find_allocno_copy): New function.
688 (propagate_info_to_cap, add_allocno_copy): Use it.
689 (print_allocno_copies, debug_allocno_copies): New functions.
691 * ira-conflicts.c: Add year 2008 to the copyright. Rename member
692 move_insn of the copies to insn.
695 (setup_reg_class_intersect_union): Fix reg_class_union for cover
697 (ira): Call initiate_ira_assign and finish_ira_assign. Remove
698 setting reload_completed up.
700 * ira-costs.c: Add year 2008 to the copyright.
701 (ira_costs): Check modes of registers.
703 * ira-lives.c: Add year 2008 to the copyright.
704 (mark_reg_store, mark_reg_death, process_bb_node_lives): Don't use
706 (process_single_reg_class_operands): Check that the hard reg
707 belongs to the cover class.
709 * ira-color.c: Add year 2008 to the copyright. Rename member
710 move_insn of the copies to insn.
711 (initiate_cost_update, finish_cost_update, update_copy_costs_1):
713 (allocno_update_cost_check, update_cost_check): New static
715 (update_copy_costs): Increment update_cost_check. Call
717 (coalesce_allocnos): Don't coalesce already assigned allocnos or
718 copies with null insn.
719 (color_pass): Check loop tree node of the subloop allocno.
720 (finish_allocno_priorities): Remove.
721 (do_coloring): Move allocation/deallocation of
722 consideration_allocno_bitmap into initiate_cost_update and
724 (reassign_conflict_allocnos): Remove allocation/deallocation of
725 sorted_allocnos. Remove call of finish_allocno_priorities.
726 (reassign_pseudos): Remove allocation/deallocation of
727 consideration_allocno_bitmap and sorted_allocnos. Remove call of
728 finish_allocno_priorities.
729 (initiate_ira_assign, finish_ira_assign): New fucntions.
730 (ira_color): Remove allocation/deallocation of sorted_allocnos.
731 Call initiate_ira_assign and finish_ira_assign.
733 * postreload.c (gate_handle_postreload): Don't do post reload
734 optimizations unless the reload is completed.
736 * cfgloopanal.c (estimate_reg_pressure_cost): Return zero if we
739 * recog.c (peep2_free_reg_search_ofs): New static variable.
740 (peep2_find_free_register): Remove search_ofs. Use
741 peep2_free_reg_search_ofs instead of it.
742 (peephole2_optimize): Reset peep2_free_reg_search_ofs.
744 2008-01-10 Vladimir Makarov <vmakarov@redhat.com>
746 * reload1.c (compute_use_by_pseudos): Permits spilled registers in
748 (temp_pseudo_reg_arr): New variable.
749 (reload): Use instead temp_pseudo_reg_arr of pseudo_regs. Move
750 freeing to the function end. Don't clear spilled_pseudos for IRA.
751 Restore original insn chain for IRA.
752 (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
753 (count_pseudo, count_spilled_pseudo): Check spilled pseudos.
754 (alter_reg): Set up spilled_pseudos.
755 (finish_spills): Set up pseudo_previous_regs only for spilled
756 pseudos. Call reassign_pseudos once for all spilled pseudos,
757 pass more arguments. Don't clear live_throughout and dead_or_set
760 2008-01-10 Vladimir Makarov <vmakarov@redhat.com>
762 * reload1.c (compute_use_by_pseudos): Permits spilled registers in
764 (temp_pseudo_reg_arr): New variable.
765 (reload): Use instead temp_pseudo_reg_arr of pseudo_regs. Move
766 freeing to the function end. Don't clear spilled_pseudos for IRA.
767 Restore original insn chain for IRA.
768 (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
769 (count_pseudo, count_spilled_pseudo): Check spilled pseudos.
770 (alter_reg): Set up spilled_pseudos.
771 (finish_spills): Set up pseudo_previous_regs only for spilled
772 pseudos. Call reassign_pseudos once for all spilled pseudos,
773 pass more arguments. Don't clear live_throughout and dead_or_set
776 * global.c (reg_becomes_live, build_insn_chain): Don't ignore
777 spilled pseudos for IRA.
779 * caller-save.c (calculate_local_save_info,
780 save_call_clobbered_regs): Ignore spilled pseudos for IRA.
782 * toplev.c (backend_init_target): Call init_ira.
783 (backend_init): Move call of init_ira_once before
786 * ira.h (init_ira, sort_insn_chain, mark_memory_move_deletion):
787 New function prototypes.
788 (retry_ira_color): Rename to reassign_pseudos. Change
791 * ira-int.h (allocno): New member dont_reassign_p.
792 (ALLOCNO_DONT_REASSIGN_P): New macro.
793 (memory_move_cost): Change element type.
794 (register_move_cost): Change type.
795 (register_may_move_in_cost, register_may_move_out_cost,
796 reg_class_intersect): New arrays.
797 (important_class_nums): Fix element type.
798 (hard_reg_not_in_set_p): Make it static inline.
799 (init_register_move_cost, init_ira_costs): New function
801 (allocno_conflict_index): Remove.
802 (allocate_and_set_costs, allocate_and_copy_costs,
803 allocate_and_set_or_copy_costs): New static inline functions.
805 * ira-build.c (compress_allocno_conflict_vec,
806 compress_conflict_vecs): New functions.
807 (allocno_conflict_index): Remove.
808 (allocno_conflict_check, curr_allocno_conflict_check_tick): New
810 (propagate_info_to_cap): Use allocate_and_copy_costs.
811 (check_and_add_conflicts): Don't call allocno_conflict_index.
812 (ira_flattening): Add some assertions. Check that cost vectors
813 have been allocated. Don't call allocno_conflict_index. Call
814 compress_conflict_vecs.
816 * ira.c (memory_move_cost, register_move_cost): Change types.
817 (register_may_move_in_cost, register_may_move_out_cost,
818 strict_class_subset_p): New variables.
819 (setup_class_subset_and_move_costs): Rename to
820 setup_class_subset_and_memory_move_costs. Remove
821 register_move_cost setup. Don't consider no_unit_alloc_regs. Add
822 strict_class_subset_p setup.
823 (setup_reg_class_intersect): Rename to
824 setup_reg_class_intersect_union. Don't consider
825 no_unit_alloc_regs. Add reg_class_union setup.
826 (hard_reg_not_in_set_p): Move to ira-int.h.
827 (setup_reg_subclasses): Use no_unit_alloc_regs instead of
828 fixed_reg_set. Don't consider no_unit_alloc_regs.
829 (important_class_nums): Fix element type.
830 (setup_cover_classes): Use no_unit_alloc_regs instead of
831 fixed_reg_set. Don't consider no_unit_alloc_regs.
832 (setup_class_translate): Ditto.
833 (reg_class_union): New variable.
834 (init_register_move_cost, free_register_move_costs): New
836 (init_ira_once): Initialize register_move_cost,
837 register_may_move_in_cost, register_may_move_out_cost. Move some
839 (init_ira): New function. Move some code from init_ira_once.
840 Call free_register_move_costs and init_ira_costs.
841 (calculate_allocation_cost): Check allocation of allocno hard reg
843 (basic_block_order_nums): New variable.
844 (chain_freq_compare, chain_bb_compare, sort_insn_chain): New
846 (ira): Call sort_insn_chain.
848 * ira-color.c (allocno_coalesced_p): New variable.
849 (update_copy_costs): Use allocate_and_set_or_copy_costs.
850 (assign_hard_reg): Clear and use
851 processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
852 Use allocate_and_copy_costs. Use allocno cover class cost if the
853 hard register cost vector is not allocated.
854 (get_coalesced_allocnos_best_class_and_freq): Use
855 reg_class_intersect instead of reg_class_subintersect.
856 (add_allocno_to_ordered_bucket): Use strict_class_subset_p.
857 (push_allocno_to_stack): Clear and use
858 processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
859 (setup_allocno_left_conflicts_num): Don't setup
860 ALLOCNO_UPDATED_HARD_REG_COSTS and
861 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS. Clear and use
862 processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
863 (put_allocno_into_bucket): Don't setup
864 ALLOCNO_UPDATED_HARD_REG_COSTS and
865 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.
866 (coalesced_allocno_conflict_p): Clear and use
867 processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
868 (coalesce_allocnos): Setup allocno_coalesced_p.
869 (color_allocnos): Add processing reg class NO_REGS.
870 (color_pass): Propagate assignment of spilled allocno not
871 mentioned in the subregion for the mixed algorithm. Use
872 allocate_and_set_costs.
873 (move_spill_restore, mark_allocation_change): Check unallocated
874 hard reg cost vectors.
875 (setup_curr_costs): Don't setup ALLOCNO_UPDATED_HARD_REG_COSTS and
876 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS. Use
877 allocate_and_set_or_copy_costs.
878 (mark_memory_move_deletion, allocno_reload_assign,
879 pseudo_reg_compare, reassign_pseudos): New functions.
880 (retry_ira_color): Remove.
882 * ira-conflicts.c (add_insn_allocno_copies): Use
883 allocate_and_set_costs.
884 (allocno_conflict_p): Simplify the code.
886 * ira-costs.c: Rename reg_class_subunion to reg_class_union
888 (cost_classes, cost_classes_num, cost_class_nums,
889 max_struct_costs_size): New variables.
890 (copy_cost): Use init_register_move_cost instead of
892 (record_reg_classes): Ditto. Use cost_classes and
893 cost_classes_num instead of important_classes and
894 important_classes_num. Use register_may_move_{in,out}_cost
895 instead of may_move_{in,out}_cost. Check reg class intersection
897 (record_address_regs): Use init_register_move_cost instead of
898 init_move_cost. Use cost_classes and cost_classes_num instead of
899 important_classes and important_classes_num. Use
900 register_may_move_in_cost instead of may_move_in_cost.
901 (scan_one_insn): Use cost_classes_num instead of
902 important_classes_num.
903 (print_costs): Use cost_classes and cost_classes_num instead of
904 important_classes and important_classes_num.
905 (find_allocno_class_costs): Initialize cost_classes and
906 cost_class_nums. Use cost_classes and cost_classes_num instead of
907 important_classes and important_classes_num.
908 (process_bb_node_for_hard_reg_moves): Use allocate_and_set_costs.
909 (setup_allocno_cover_class_and_costs): Use cost_classes and
910 cost_classes_num instead of important_classes and
911 important_classes_num.
912 (init_ira_costs_once): Move some code to init_ira_costs. Initiate
914 (free_ira_costs: New function. Move some code from
915 finish_ira_costs_once.
916 (init_ira_costs): New function. Move some code from
917 init_ira_costs_once. Use max_struct_costs_size instead of
918 struct_costs_size. Call free_ira_costs. Allocate cost_classes.
919 (finish_ira_costs_once): Move some code to finish_ira_costs. Call
921 (ira_costs): Use max_struct_costs_size instead of
922 struct_costs_size. Use allocate_and_set_costs.
924 * ira-emit.c (modify_move_list): Remove allocation of hard reg
927 * ira-lives.c (process_single_reg_class_operands): Add new
928 parameter freq. Calculate costs basing on the frequency.
929 (process_bb_node_lives): Pass the frequency to
930 process_single_reg_class_operands.
932 2007-12-17 Vladimir Makarov <vmakarov@redhat.com>
934 * doc/invoke.texi (fira-algoirthm): Remove prioirity coloring.
935 Make mixed the default.
937 * flags.h (ira_algorithm): Remove IRA_ALGORITHM_PRIORITY.
939 * ira-color.c (priority_coloring): Remove.
940 (do_coloring): Don't call priority_coloring.
942 * opts.c (common_handle_option): Remove priority coloring option.
944 * toplev.c (flag_ira_algorithm): Assign IRA_ALGORITHM_MIXED.
946 * ira-build.c (check_and_add_conflicts, ira_flattening): Increase
947 threshold for internal_flag_ira_verbose.
949 2007-12-17 Vladimir Makarov <vmakarov@redhat.com>
951 * common.opt (fira-assign-after-call-split, fira-biased-coloring,
952 fira-split-around-calls): Remove.
953 (fdump-simple-rtl, fira-verbose): New options.
954 (fira, fira-coalesce): Initiate by 0.
956 * opts.c (common_handle_option): Process flag_ira_verbose.
958 * flags.h (flag_ira_verbose): New external definition.
960 * toplev.h (flag_ira_assign_after_call_split,
961 flag_ira_biased_coloring, flag_ira_split_around_calls): Remove.
963 * toplev.c (flag_ira_verbose): New external declaration.
964 (finalize): Call finish_ira_once.
966 * print-rtl.c (flag_simple): Rename to flag_dump_simple_rtl.
968 * doc/invoke.texi (-fno-ira-assign-after-call-split,
969 -fira-biased-coloring, -fno-ira-split-around-calls): Remove.
970 (-fdump-simple-rtl, -fira-verbose): New options.
972 * caller-save.c (insert_restore, insert_save): Use
973 adjust_address_nv instead of adjust_address. Check the mode by
976 * ira-call.c: Remove file.
978 * ira-lives.c: New file.
980 * Makefile.in (ira-live.o): Add
981 (ira-call.o): Remove.
982 (IRA_INT_H): Add alloc-pool.h.
984 * ira.h (finish_ira_once): New external definition.
986 * ira-int.h (internal_flag_ira_verbose, alloc_pool allocno_pool,
987 copy_pool, allocno_live_range_pool, ira_loop_tree_height,
988 max_point, start_point_ranges, finish_point_ranges,
989 prohibited_mode_move_regs, important_class_nums,
990 ira_curr_regno_allocno_map, allocno_set_words): New external
992 (loop_tree_node_t, allocno_live_range_t): New typedefs. Use them
994 (ira_loop_tree_node): Rename to loop_tree_node.
995 (loop_tree_node): New member level.
996 (allocno_live_range): New structure.
997 (allocno): New members nrefs, live_ranges,
998 total_conflict_hard_regs, conflict_allocnos_num,
999 total_conflict_allocnos_num, mem_optimized_dest,
1000 mem_optimized_dest_p, total_no_stack_reg_p. Remove members
1001 conflict_allocno_vec_active_size and original_memory_cost. Rename
1002 member curr_hard_reg_costs to updated_hard_reg_costs.
1003 (ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM,
1004 ALLOCNO_TOTAL_CONFLICT_HARD_REGS, ALLOCNO_CONFLICT_ALLOCNOS_NUM,
1005 ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM, ALLOCNO_NREFS,
1006 ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
1007 ALLOCNO_TOTAL_NO_STACK_REG_P, ALLOCNO_LIVE_RANGES): New access
1009 (ALLOCNO_CONFLICT_ALLOCNO_VEC_ACTIVE_SIZE,
1010 ALLOCNO_ORIGINAL_MEMORY_COST): Remove.
1011 (ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS): Rename to
1012 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.
1013 (allocno_copy): New member loop_tree_node.
1014 (INT_BITS, INT_TYPE, EXECUTE_IF_SET_IN_ALLOCNO_SET): Move from
1016 (SET_ALLOCNO_SET_BIT, CLEAR_ALLOCNO_SET_BIT,
1017 TEST_ALLOCNO_SET_BIT): New macros.
1018 (ira_reallocate, allocno_conflict_index, add_allocno_conflict,
1019 create_allocno_live_range, finish_allocno_live_range,
1020 add_allocno_copy_to_list, swap_allocno_copy_ends_if_necessary,
1021 remove_allocno_copy_from_list, add_allocno_copy, ira_flattening,
1022 finish_ira_costs_once, rebuild_start_finish_chains,
1023 print_live_range_list, debug_live_range_list,
1024 debug_allocno_live_ranges, debug_live_ranges,
1025 create_allocno_live_ranges, finish_allocno_live_ranges,
1026 allocno_conflict_p, loop_edge_freq): New external function
1028 (hard_reg_in_set_p, original_regno_call_crossed_p,
1029 ira_max_regno_before, ira_max_regno_call_before): Remove.
1030 (traverse_loop_tree): Add new parameter type.
1031 (create_copy): Ditto.
1032 (debug_conflicts, ira_emit, add_allocno_copy): Add parameter.
1033 (debug_ira_call_data, split_around_calls, get_around_calls_regno):
1036 * ira.c (setup_prohibited_mode_move_regs): New function.
1037 (internal_flag_ira_verbose, allocno_pool, copy_pool,
1038 allocno_live_range_pool, important_class_nums): New external
1040 (IRA_NO_OBSTACK): Uncomment it.
1041 (ira_reallocate): New function.
1042 (setup_cover_classes): Set up important_class_nums.
1043 (finish_ira_once): New function.
1044 (prohibited_mode_move_regs,
1045 prohibited_mode_move_regs_initialized_p): New global variables.
1046 (setup_prohibited_mode_move_regs): New function.
1047 (setup_reg_renumber): Remove parameters.
1048 (setup_allocno_assignment_from_reg_renumber): Rename to
1049 setup_allocno_assignment_flags. Set up ALLOCNO_ASSIGNED_P.
1050 (calculate_allocation_cost): Use ALLOCNO_UPDATED_MEMORY_COST.
1051 (ira_max_regno_before, ira_max_regno_call_before): Remove.
1052 (ira): Set up internal_flag_ira_verbose. Call
1053 setup_prohibited_mode_move_regs. Create and destroy allocno,
1054 copy, and live range pools. Remove original_regno_call_crossed_p.
1055 Report major passes. Use argument for ira_emit. Call
1056 ira_flattening and df_analyze. Remove live range splitting around
1059 * ira-build.c (setup_loop_tree_level, rebuild_regno_allocno_maps,
1060 expand_calls, compress_calls, allocno_conflict_index,
1061 add_to_allocno_conflict_vec, propagate_info_to_cap,
1062 copy_allocno_live_range, copy_allocno_live_range_list,
1063 finish_allocno, finish_copy,
1064 propagate_info_to_loop_tree_node_caps, merge_ranges,
1065 common_loop_tree_node_dominator, check_and_add_conflicts,
1066 add_conflict_with_underlying_allocnos, ira_flattening): New
1068 (check_coalesced_allocnos): Remove.
1069 (ira_loop_tree_height): New external variable.
1070 (form_loop_tree): Call setup_loop_tree_level.
1071 (initiate_calls): Allocate a bit more. (create_allocno): Use
1072 pool_alloc. Set up ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM,
1073 ALLOCNO_TOTAL_CONFLICT_HARD_REGS, ALLOCNO_NREFS,
1074 ALLOCNO_TOTAL_NO_STACK_REG_P, ALLOCNO_MEM_OPTIMIZED_DEST,
1075 ALLOCNO_MEM_OPTIMIZED_DEST_P, ALLOCNO_UPDATED_MEMORY_COST, and
1076 ALLOCNO_LIVE_RANGES. Rename
1077 ALLOCNO_CONFLICT_ALLOCNO_VEC_ACTIVE_SIZE,
1078 ALLOCNO_CURR_HARD_REG_COSTS, and
1079 ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS to
1080 ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_UPDATED_HARD_REG_COSTS, and
1081 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.
1082 (add_allocno_conflict): Make it external. Use
1083 add_to_allocno_conflict_vec.
1084 (create_cap_allocno): Move part of code to propagate_info_to_cap.
1085 (finish_allocnos): Use finish_allocno.
1086 (add_allocno_copy_to_list, remove_allocno_copy_from_list,
1087 swap_allocno_copy_ends_if_necessary, add_allocno_copy): Move from
1088 ira-conflicts.c. Make them external.
1089 (create_copy): Use pool_alloc. Add parameter loop_tree_node.
1090 (finish_copies): Use finish_copy.
1091 (ira_curr_regno_allocno_map): New external variable.
1092 (traverse_loop_tree): Add parameter bb_first_p.
1093 (create_insn_allocnos): Update ALLOCNO_NREFS.
1094 (create_loop_tree_node_allocnos): Traverse loop tree nodes with
1095 BBs first. Update ALLOCNO_NREFS.
1096 (create_loop_tree_node_caps): Move part of code to
1097 propagate_info_to_loop_tree_node_cap.
1098 (regno_top_level_allocno_map): New global variable.
1099 (ira_build): Create caps before build conflicts. Call
1100 create_allocno_live_ranges. Propagate info to caps. Report
1102 (ira_destroy): Call finish_allocno_live_ranges.
1104 * ira-conflicts.c (set_allocno_live, clear_allocno_live,
1105 record_regno_conflict, mark_reg_store, mark_reg_clobber,
1106 mark_reg_conflicts, mark_reg_death): Remove.
1107 (add_insn_allocno_copies, add_copies): New functions.
1108 (add_allocno_copy_to_list, remove_allocno_copy_from_list,
1109 swap_allocno_copy_ends_if_necessary, add_allocno_copy): Remove.
1110 (add_allocno_copies): Rename to add_insn_allocno_copies. Use
1111 ira_curr_regno_allocno_map and add_insn_allocno_copies.
1112 (single_reg_class, single_reg_operand_class,
1113 process_single_reg_class_operands, process_bb_node_for_conflicts):
1115 (INT_BITS, INT_TYPE, EXECUTE_IF_SET_IN_ALLOCNO_SET): Move to
1117 (allocnos_live_bitmap, SET_ALLOCNO_CONFLICT_ROW,
1118 CLEAR_ALLOCNO_CONFLICT_ROW, TEST_ALLOCNO_CONFLICT_ROW): Remove.
1119 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE, TEST_ALLOCNO_LIVE):
1120 Use {SET, CLEAR, TEST}_ALLOCNO_SET_BIT.
1121 (allocno_row_words, hard_regs_live, curr_bb_node,
1122 curr_regno_allocno_map, curr_reg_pressure): Remove.
1123 (CONFLICTP): Rename to CONFLICT_P.
1125 (propagate_allocno_info): Use ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1126 Set up ALLOCNO_CALLS_CROSSED_START.
1127 (allocno_conflict_p): New function.
1128 (allocno_reg_conflict_p): Use allocno_conflict_p.
1129 (build_allocno_conflict_vects): Divide original and propagated
1131 (print_hard_reg_set): New function.
1132 (print_conflicts): Use print_hard_reg_set. Set up mark for the
1133 start of propagated conflicts.
1134 (debug_conflicts): Add parameter.
1135 (ira_build_conflicts): Call add_copies. Set up
1136 ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1138 * ira-costs.c (struct costs): Make cost allocated dynamically.
1139 (struct_costs_size, temp_cots, op_costs, this_op_costs): New
1141 (costs): Rename to total_costs.
1142 (COSTS_OF_ALLOCNO): New macro.
1143 (curr_regno_allocno_map): Remove. Use ira_curr_regno_allocno_map
1145 (record_reg_classes): Check NO_REGS in allocno_pref.
1146 (record_address_regs): Use COSTS_OF_ALLOCNO.
1147 (scan_one_insn): Ditto.
1148 (print_costs): Ditto.
1149 (find_allocno_class_costs): Ditto. Pass additional argument to
1150 traverse_loop_tree. Set up NO_REGS if memory is cheaper.
1151 (setup_allocno_cover_class_and_costs): Use
1152 ALLOCNO_UPDATED_MEMORY_COST instead of
1153 ALLOCNO_ORIGINAL_MEMORY_COST, ALLOCNO_UPDATED_HARD_REG_COSTS
1154 instead of ALLOCNO_CURR_HARD_REG_COSTS, and
1155 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS instead of
1156 ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS. Pass additional argument to
1158 (init_ira_costs_once): Allocate init_cost, op_costs,
1159 this_op_costs, temp_costs.
1160 (finish_ira_costs_once): New function.
1162 * ira-color.c: Use ALLOCNO_UPDATED_MEMORY_COST instead of
1163 ALLOCNO_ORIGINAL_MEMORY_COST, ALLOCNO_UPDATED_HARD_REG_COSTS
1164 instead of ALLOCNO_CURR_HARD_REG_COSTS, and
1165 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS instead of
1166 ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS. Use
1167 ALLOCNO_TOTAL_CONFLICT_HARD_REGS instead of
1168 ALLOCNO_CONFLICT_HARD_REGS.
1169 (processed_allocno_bitmap): Rename into
1170 processed_coalesced_allocno_bitmap.
1171 (allocno_cost_compare_func): Use ALLOCNO_UPDATED_MEMORY_COST
1172 instead of ALLOCNO_MEMORY_COST.
1173 (assign_hard_reg): Remove biased coloring.
1174 (add_allocno_to_ordered_bucket): Check cover class first.
1175 (loop_edge_freq): Make it external.
1176 (setup_allocno_left_conflicts_num): Check that conflicting
1177 allocnos of one class.
1178 (allocno_conflict_p): Rename to coalesced_allocno_conflict_p.
1179 (color_pass): Check pressure in the loop (not in subloops) for
1181 (allocno_priorities): New variable.
1182 (start_allocno_priorities, finish_allocno_priorities): New
1184 (allocno_priority_compare_func): Use allocno_priorities.
1185 (priority_coloring): Call start_allocno_priorities and
1186 finish_allocno_priorities.
1187 (do_coloring): Pass additional argument to traverse_loop_tree.
1189 * ira-emit.c (struct move): Add member insn.
1190 (create_move): Initialize member insn.
1191 (generate_edge_moves): Set up ALLOCNO_MEM_OPTIMIZED_DEST and
1192 ALLOCNO_MEM_OPTIMIZED_DEST_P.
1193 (change_loop): Check prohibited_mode_move_regs.
1194 (curr_jump_map, can_move_through_p): Remove.
1195 (unify_moves): Don't move through jump.
1196 (modify_move_list): Set up attributes for new allocno used for
1197 breaking dependency loops.
1198 (emit_move_list): Set up insn codes.
1199 (update_costs, add_range_and_copies_from_move_list,
1200 add_ranges_and_copies): New functions.
1201 (ira_emit): Add a parameter. Call add_ranges_and_copies.
1203 2007-10-09 Vladimir Makarov <vmakarov@redhat.com>
1205 * toplev.h (flag_ira_coalesce): New external variable.
1207 * ira-int.h (allocno): New members first_coalesced_allocno,
1208 next_coalesced_allocno.
1209 (ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO):
1211 (reg_class_subintersect): New external variable.
1213 * ira-color.c (processed_allocno_bitmap): New variable.
1214 (allocno_cost_compare_func, print_coalesced_allocno): New
1216 (assign_hard_reg): Process coalesced allocnos.
1217 (get_coalesced_allocnos_best_class_and_freq): New function.
1218 (add_allocno_to_ordered_bucket): Use the function.
1219 (push_allocno_to_stack, push_allocnos_to_stack): Process coalesced
1221 (remove_allocno_from_bucket_and_push, pop_allocnos_from_stack):
1222 Use print_coalesced_allocno.
1223 (setup_allocno_available_regs_num,
1224 setup_allocno_left_conflicts_num): Process coalesced allocnos.
1225 (copy_freq_compare_func, allocno_conflict_p, coalesce_allocnos):
1227 (color_allocnos): Allocate/free processed_allocno_bitmap. Call
1229 (priority_coloring): Allocate/free processed_allocno_bitmap.
1231 * ira-build.c (check_coalesced_allocnos): New function.
1232 (create_allocno): Initiate next_coalesced_allocno,
1233 first_coalesced_allocno.
1234 (create_cap_allocno): Check next_coalesced_allocno,
1235 first_coalesced_allocno.
1237 * common.opt (fira-coalesce): New option.
1239 * ira.c (setup_reg_class_intersect): New function.
1240 (reg_class_subintersect): New global variable.
1241 (init_ira_once): Call setup_reg_class_intersect.
1243 * doc/invoke.texi (-fira-coalescing): New option.
1245 2007-09-20 Vladimir Makarov <vmakarov@redhat.com>
1247 * ira-build.c (create_allocno): Initialize ALLOCNO_BEST_CLASS.
1249 * ira-color.c (add_allocno_to_ordered_bucket): Use
1252 * ira-costs.c (setup_allocno_cover_class_and_costs): Initialize
1255 * ira-int.h (allocno): New member best_class.
1256 (ALLOCNO_BEST_CLASS): New macro.
1258 2007-09-19 Vladimir Makarov <vmakarov@redhat.com>
1260 * ira-int.h (allocno): Remove calls_crosed. Add
1261 calls_crossed_start.
1262 (ALLOCNO_CALLS_CROSSED): Remove.
1263 (ALLOCNO_CALLS_CROSSED_START): Add.
1265 (regno_calls, add_regno_call): New.
1267 * ira-build.c (initiate_calls, finish_calls, add_regno_call): New
1269 (regno_calls, regno_calls_num): New globals.
1271 (add_loop_to_tree): Use loop_outer.
1272 (form_loop_tree): Ditto.
1273 (initiate_allocnos, create_cap_allocno): Remove
1274 ALLOCNO_CALLS_CROSSED. Add ALLOCNO_CALLS_CROSSED_START.
1275 (finish_allocnos): Remove ALLOCNO_CALLS_CROSSED.
1276 (create_bb_allocnos, create_loop_allocnos): Use DF_LR_{IN,OUT}
1277 instead of DF_UPWARD_LIVE_{IN,OUT}.
1278 (ira_build): Remove adding df problems and call of
1279 free_dominance_info. Call initiate_calls.
1280 (ira_destroy): Add free_dominance_info and finish_calls. Remove
1283 * ira-emit.c (change_regs): Return the result.
1284 (generate_edge_moves): Use DF_LR_{IN,OUT} instead of
1285 DF_UPWARD_LIVE_{IN,OUT}.
1286 (change_loop): Call df_insn_rescan and df_note_rescan if there is
1288 (can_move_through_p): Use hard_reg_set_equal_p instead of
1289 GO_IF_HARD_REG_EQUAL.
1291 * ira-costs.c (copy_cost, record_reg_classes,
1292 record_address_regs): Call init_move_cost if it is necessary.
1293 (tune_allocno_costs_and_cover_classes): Use regno_calls and
1294 ALLOCNO_CALLS_CROSSED_START instead of ALLOCNO_CALLS_CROSSED.
1296 * ira-conflicts.c (n_regs_set): Remove.
1297 (regs_set): Make it a vector.
1298 (mark_reg_store, mark_reg_clobber): Change 2nd parameter type.
1299 (process_bb_node_for_conflicts): Use DF_LR_IN instead of
1300 DF_UPWARD_LIVE_IN. Call add_regno_call. Initialize
1301 ALLOCNO_CALLS_CROSSED_START. Remove ALLOCNO_CALLS_CROSSED.
1302 (build_conflict_bit_table): Initialize and finalize regs_set.
1303 (propagate_allocno_info): Remove ALLOCNO_CALLS_CROSSED.
1304 Initialzie ALLOCNO_CALLS_CROSSED_START.
1306 * ira-color.c (setup_allocno_available_regs_num,
1307 setup_allocno_left_conflicts_num): New functions.
1308 (update_allocno_avaialable_regs): Remove.
1309 (sorted_allocnos, allocno_stack_varray): Move upper.
1310 (assign_hard_reg): Use hard_reg_set_subset_p instead of
1311 GO_IF_HARD_REG_SUBSET.
1312 (loop_edge_freq): Use DF_LR_{IN,OUT} instead of
1313 DF_UPWARD_LIVE_{IN,OUT}.
1314 (put_allocno_into_bucket): Call setup_allocno_available_regs_num
1315 and setup_allocno_left_conflicts_num.
1316 (print_loop_title): Use loop_depth.
1317 (allocno_priority_compare_func): Remove REG_N_REFS and
1319 (retry_ira_color): Use SET_REGNO. Use ALLOCNO_CALLS_CROSSED_NUM
1320 instead of ALLOCNO_CALLS_CROSSED.
1321 (collect_pseudo_call_clobbered_regs): Use regno_calls and
1322 ALLOCNO_CALLS_CROSSED_START instead of ALLOCNO_CALLS_CROSSED.
1324 * ira-call.c (init_ira_call_data): Add argument to
1326 (n_regs_set): Remove.
1327 (regs_set): Make it a vector.
1328 (mark_reg_store, mark_reg_clobber): Change 2nd parameter type.
1329 (mark_referenced_regs): Check null x.
1330 (put_save_restore_and_calculate_local_info): Initialize and
1331 finalize regs_set. Use DF_LR_{IN,OUT} instead of
1332 DF_UPWARD_LIVE_{IN,OUT}. Use loop_outer.
1333 (do_init_nothing): Remove.
1334 (save_trans_fun, save_con_fun_0, restore_trans_fun,
1335 restore_con_fun_0): Remove 1st parameter.
1336 (save_con_fun_n, restore_con_fun_n): Ditto. Use
1337 df_simple_dataflow instead of df_analyze_problem.
1338 (put_save_restore): Use DF_LR_IN instead of DF_UPWARD_LIVE_IN.
1339 Call mark_all_referenced_regs for all insn. Use bitmap progress.
1340 (get_move_insn): New function.
1341 (put_save_restore_and_calculate_local_info, put_save_restore): Use
1344 * ira.c (insn_contains_asm_1, insn_contains_asm,
1345 compute_regs_asm_clobbered, expand_reg_info): New functions.
1346 (setup_class_subset_and_move_costs): Use hard_reg_set_subset_p
1347 instead of GO_IF_HARD_REG_SUBSET.
1348 (setup_reg_subclasses, setup_class_translate): Ditto. Use
1349 hard_reg_set_equal_p instead of GO_IF_HARD_REG_EQUAL.
1350 (setup_eliminable_regset): Call compute_regs_asm_clobbered. Use
1351 df_set_regs_ever_live instead of regs_ever_live.
1352 (setup_reg_renumber): Check reg_equiv_const and
1353 reg_equiv_invariant_p.
1354 (ira): Remove no_new_pseudos. Add df-problems and analyze. Call
1355 regstat_init_n_sets_and_refs and regstat_compute_ri. Remove
1356 delete_unreachable_blocks. Use expand_reg_info. Move
1357 setup_preferred_alternate_classes upper. Remove life_analysis.
1358 Prepare df-insfrastructure for reload.
1360 * regclass.c (setup_reg_classes): Don't use reg_pref_buffer.
1362 * function.[ch] (get_call_invalidated_used_regs): Change 1st
1365 * gengtype.c (main): Add HARD_REG_SET.
1367 * alias.c (value_addr_p): New function.
1368 (nonoverlapping_memrefs_p): Use it.
1370 * caller-save.c (init_caller_save): Use DF_LR_TOP for IRA instead
1371 of global_live_at_start.
1373 2007-05-04 Vladimir Makarov <vmakarov@redhat.com>
1375 * ira-conflicts.c: Change pseudo to allocno.
1376 * ira-color.c: Ditto.
1377 * ira-emit.c: Ditto.
1378 * ira-build.c: Ditto.
1380 (important_classes_num, important_classes): New variables.
1381 (setup_cover_classes): Set up the variable values.
1382 * ira-costs.c: Ditto.
1383 (record_reg_classes, record_address_regs, scan_one_insn,
1384 find_pseudo_class_costs): Process only important classes.
1385 * ira-call.c: Ditto. Add comments about placement optimization.
1387 (allocno) Use one bit field for boolean members.
1388 (important_classes_num, important_classes): New external
1391 2007-03-16 Vladimir Makarov <vmakarov@redhat.com>
1393 * flags.h (ira_algorithm): Add IRA_ALGORITHM_MIXED.
1395 * opts.c (common_handle_option): Set up IRA_ALGORITHM_MIXED from
1396 the option argument.
1398 * common.opt (fira-assign-after-call-split, fira-propagate-cost,
1399 fira-split-around-calls): New options.
1400 (fira-ipra): Switch off by default.
1402 * doc/invoke.texi (-fira-algorithm): Add mixed algorithm.
1403 (-fno-ira-ipra): Rename to -fira-ipra.
1404 (-fno-ira-assign-after-call-split, -fira-propagate-cost,
1405 -fno-ira-split-around-calls): Add new options.
1407 * ira-conflicts.c (curr_reg_pressure): New variable.
1408 (set_pseudo_live, clear_pseudo_live, mark_reg_store,
1409 mark_reg_death): Update reg pressure.
1410 (add_pseudo_copies): Decrease cost for copy with dead pseudo.
1411 (process_bb_node_for_conflicts): Propagate reg pressure.
1412 (build_conflict_bit_table): Call process_bb_node_for_conflicts in
1414 (ira_build_conflicts): Add new coloring algorithm.
1415 (ira_build_conflicts): Add flag_ira_split_around_calls.
1417 * ira-emit.c (change_loop): Print allocation on the region
1418 borders. Use pseudo_cap_member instead of regno.
1419 (modify_move_list): Add parameter to create pseudo.
1420 (ira_emit): Use pseudo_cap_member instead of regno.
1422 * ira-build.c (create_loop_tree_nodes): Set up initial reg
1424 (create_pseudo): Add parameter. Use the parameter value instead
1426 (print_expanded_pseudo): Use pseudo_cap_member instead of regno.
1427 (create_cap_pseudo, create_insn_pseudos, create_bb_pseudos,
1428 create_loop_pseudos): Add argument to create_pseudo call.
1429 (create_pseudos, ira_build): Process IRA_ALGORITHM_MIXED.
1430 (create_loop_tree_node_caps): Create cap pseudo for all pseudos
1431 not having father pseudo.
1433 * final.c (rest_of_handle_final): Process INCOMING_REGNO.
1435 * toplev.h (flag_ira_assign_after_call_split,
1436 flag_ira_propagate_cost, flag_ira_split_around_calls): New flags.
1438 * caller-save.c (save_call_clobbered_regs): Move declaration
1439 this_insn_sets to the function start.
1441 * ira-int.h (ira_loop_tree_node): Add reg_pressure.
1442 (pseudo): More comments for regno and cap_member
1443 (original_regno_call_crossed_p, ira_max_regno_before,
1444 ira_max_regno_call_before): New external variables.
1445 (create_pseudo): Add parameter.
1446 (reassign_conflict_pseudos, debug_ira_call_data,
1447 split_around_calls, get_around_calls_regno): New function
1450 * ira-color.c (assign_hard_reg): Set best_hard_regno and
1451 conflict_regs earlier. Check register availability earlier.
1452 Ignore conflict and copy cost for PSEUDO_MAY_BE_SPILLED_P.
1453 (calculate_pseudo_spill_cost): Use pseudo_cap instead of regno.
1454 Check father pseudo instead of subloop pseudos.
1455 (pop_pseudos_from_stack): Set up PSEUDO_ASSIGNED_P for NO_REGS
1457 (print_loop_title): Print reg pressure.
1458 (color_pass): Use PSEUDO_CAP_MEMBER instead of regno. Add mixed
1460 (move_spill_restore): Use PSEUDO_CAP_MEMBER instead of regno. Use
1461 subloop pseudos instead of father pseudo for cost calculation.
1462 (setup_curr_costs, reassign_conflict_pseudos): New functions.
1463 (retry_ira_color): Don't allocate call used registers when
1464 flag_caller_saves or flag_ira_split_around_calls. Call
1465 setup_curr_cost. Print about spilling pseudo split around calls.
1466 (reuse_stack_slot): Choose the slot with minimal memory-memory
1469 * ira.c (setup_reg_renumber): Add 2 parameters. Use cap_number
1470 instead of regno. Initialize caller_save_needed. Make assertion
1472 (setup_pseudo_assignment_from_reg_renumber): New function.
1473 (calculate_allocation_cost): Add assertion.
1474 (print_redundant_copies): Use cap_number instead of regno.
1475 (original_regno_call_crossed_p, ira_max_regno_before,
1476 ira_max_regno_call_before): New global variables.
1477 (ira): Process IRA_ALGORITHM_MIXED. Set up
1478 ira_max_regno_call_before and ira_max_regno_before. New arguments
1479 for setup_reg_renumber. Reassign if pseudo changed its class.
1480 Split pseudos around the call if necessary. Reassign if a pseudo
1483 * ira.h: New year for Copyright.
1485 * ira-costs.c (reg_pref): Rename to pseudo_pref.
1486 (reg_pref_buffer): rename to pseudo_pref_buffer.
1487 (find_pseudo_class_costs): Initialize best_cost and best_class.
1488 Process IRA_ALGORITHM_MIXED. Find best cover class for regno.
1489 (process_bb_node_for_hard_reg_moves): Process IRA_ALGORITHM_MIXED.
1491 * Makefile.in (ira-call.o): Add new file.
1493 * reload1.c (calculate_needs_all_insns): Remove unnecessary
1496 * ira-call.c: New file.
1498 2007-02-09 Vladimir Makarov <vmakarov@redhat.com>
1500 * common.opt (fipra): Rename to fira-ipra. Make it default.
1501 (fira-move-spills, fira-share-save-slots, fira-share-spill-slots):
1503 * toplev.h (flag_ipra): Rename to flag_ira_ipra.
1504 (flag_ira_move_spills, flag_ira_share_save_slots,
1505 flag_ira_share_spill_slots): New external definitions.
1506 * doc/invoke.texi (-fipra): Rename to -fno-ira-ipra.
1507 (-fno-ira-move-spills, -fno-ira-share-save-slots,
1508 -fno-ira-share-spill-slots): New options.
1509 * function.c (get_call_invalidated_used_regs): Rename flag_ipra to
1511 * ira-costs.c (tune_pseudo_costs_and_cover_classes): Ditto.
1512 * caller-save.c (setup_save_areas): Use flag_ira_share_save_slots.
1513 Rename flag_ipra to flag_ira_ipra.
1514 (flag_ira_share_save_slots): Use flag_ira_move_spills.
1515 * ira-color.c (assign_hard_reg): Skip pseudos with different cover
1517 (reuse_stack_slot): Use flag_ira_share_spill_slots.
1518 * config/arm/arm.h (IRA_COVER_CLASSES): New macro.
1520 2007-02-31 Vladimir Makarov <vmakarov@redhat.com>
1522 * reload.h (debug_save_data): New definition.
1524 * caller-save.c (struct bb_info): New.
1525 (BB_INFO, BB_INFO_BY_INDEX): New macros.
1526 (calculate_local_save_info, set_up_bb_rts_numbers, rpost_cmp,
1527 calculate_save_in_out, calculate_save_here,
1528 make_global_save_analysis, print_hard_reg_set_and_mode,
1529 print_hard_reg_set, print_save_data, debug_save_data,
1530 set_hard_reg_saved): New functions.
1531 (save_call_clobbered_regs): Make global save analysis and use it
1532 to put save/restore code.
1533 (insert_one_insn): Check CODE_LABEL.
1535 2007-01-19 Vladimir Makarov <vmakarov@redhat.com>
1537 * toplev.h (flag_ipra): New external definition.
1539 * common.opt (fipra): New option.
1541 * doc/invoke.texi (-fipra); Document the option.
1543 * cgraph.h (cgraph_node): New member function_used_regs.
1545 * cgraph.c (cgraph_create_node): Initialize function_used_regs.
1547 * final.c (update_regs_ever_live): New function.
1548 (rest_of_handle_final): Set up function_used_regs and
1551 * ira-build.c (ira_build): Clear function call_used_regs.
1553 * function.h: Add hard-reg-set.h header.
1554 (emit_status): New member call_used_regs.
1555 (get_call_invalidated_used_regs): New definition.
1557 * function.c (get_call, get_call_invalidated_used_regs): New
1560 * Makefile.in (FUNCTION_H): Add hard-reg-set.h.
1561 (caller-save.o): Add dependence on output.h and ira.h
1563 * regrename.c (copyprop_hardreg_forward_1): Use function
1564 get_call_invalidated_used_regs.
1566 * ira-conflicts.c (process_bb_node_for_conflicts): Ditto.
1568 * postreload-gcse.c (record_opr_changes,
1569 reg_set_between_after_reload_p, reg_used_between_after_reload_p):
1572 * postreload.c (reload_combine, reload_cse_move2add): Ditto.
1574 * rtlanal.c (reg_set_between_p): Ditto.
1576 * flow.c (propagate_one_insn): Ditto.
1578 * df-scan.c (df_insn_refs_record): Ditto.
1580 * gcse.c (compute_hash_table_work, compute_store_table): Ditto.
1582 * cselib.c (cselib_process_insn): Ditto.
1584 * loop-iv.c (simplify_using_assignment): Ditto.
1586 * sched-deps.c (sched_analyze): Ditto.
1588 * combine.c (record_dead_and_set_regs): Ditto.
1590 * resource.c (mark_set_resources, mark_set_resources): Ditto.
1592 * var-tracking.c (var-tracking.c): Ditto.
1594 * reload1.c (reload): Ditto.
1596 * cse.c (invalidate_for_call): Ditto. Add parameter.
1597 (cse_insn): Pass the parameter.
1599 * ira.h (try_to_migrate): Remove the definition.
1600 (collect_pseudo_call_clobbered_regs): New external definition.
1602 * ira-color.c (collect_pseudo_call_clobbered_regs): New function.
1604 * ira-costs.c (tune_pseudo_costs_and_cover_classes): Add cost
1605 calculation when IPRA is used.
1607 * caller-save.c: Include headers output.h and ira.h.
1608 (saved_hard_reg): New structure.
1609 (hard_reg_map, hard_reg_map, all_saved_regs): New variables.
1610 (all_saved_regs, new_saved_hard_reg, finish_saved_hard_regs,
1611 saved_hard_reg_compare_func): New functions.
1612 (setup_save_areas): Add code for sharing stack slots.
1613 (save_call_clobbered_regs): Use function
1614 get_call_invalidated_used_regs.
1616 2007-01-12 Vladimir Makarov <vmakarov@redhat.com>
1618 * doc/tm.texi (IRA_HARD_REGNO_ADD_COST_MULTIPLIER): New macro.
1620 * ira-conflicts.c (add_pseudo_copies): Add copy between output and
1621 died operand pseudos.
1623 * ira.c (setup_cover_classes, setup_class_translate): Define and
1624 call only when IRA_COVER_CLASSES is defined.
1625 (no_alloc_regs): Rename to no_unit_alloc_regs.
1626 (setup_eliminable_regset): Set up no_alloc_regs.
1628 * ira-costs.c (tune_pseudo_costs_and_cover_classes): Modify cost
1629 if IRA_HARD_REGNO_ADD_COST_MULTIPLIER is defined.
1631 * config/s390/s390.h (IRA_COVER_CLASSES,
1632 IRA_HARD_REGNO_ADD_COST_MULTIPLIER(regno)): Define.
1634 2006-12-22 Vladimir Makarov <vmakarov@redhat.com>
1636 * rtl.h (setup_reg_classes): New function prototype.
1638 * regclass.c (setup_reg_classes): New function.
1640 * global.c (global_alloc): Dump information about register
1643 * ira-int.h (ira_build): Change prototype signature.
1645 * ira-color.c (pseudo_compare_func): Rename to
1646 pseudo_priority_compare_func.
1647 (priority_coloring): Dump information about register
1650 * ira-build.c (ira_build): Return true if we have loops for the
1653 * ira.c (setup_preferred_alternate_classes): New function.
1654 (ira): Use it instead of regclass. Rebuild only if we have loops.
1656 2006-12-15 Vladimir Makarov <vmakarov@redhat.com>
1658 * ira.h, ira-int.h, ira.c, ira-build.c, ira-costs.c
1659 ira-conflicts.c, ira-color.c, ira-emit.c: New files.
1661 * flags.h (ira_algorithm): New enumeration.
1662 (flag_ira_algorithm): New external variable declaration.
1664 * tree-pass.h (pass_ira): New external variable declaration.
1666 * toplev.c (ira.h): New include.
1667 (flag_ira_algorithm): New global variable.
1668 (backend_init): Call init_ira_once.
1670 * toplev.h (flag_ira, flag_ira_biased_coloring): New external
1671 variable declarations.
1673 * regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
1674 may_move_out_cost): New external variable declarations.
1676 * caller-save.c (no_caller_save_reg_set): New global variable.
1677 (init_caller_save): Set up no_caller_save_reg_set.
1679 * global.c (eliminable_regset): Make it external.
1680 (gate_handle_global_alloc): New function.
1681 (pass_global_alloc): Add the gate function.
1683 * opts.c (decode_options): Print the warning for -fira.
1684 (common_handle_option): Process -fira-algorithm option.
1686 * timevar.def (TV_IRA): New pass.
1688 * hard-reg-set.h (no_caller_save_reg_set): New external variable
1691 * regmove.c (regmove_optimize): Don't do replacement of output
1692 operands by input operands.
1693 (rest_of_handle_regmove): Don't do CFG cleanup for IRA.
1695 * local-alloc.c (update_equiv_regs): Make it external. Return
1696 true if jump label rebuilding should be done.
1697 (gate_handle_local_alloc): New function.
1698 (pass_local_alloc): Add the gate function.
1700 * alias.c (stack_addr_p): New function.
1701 (nonoverlapping_memrefs_p): Add code for IRA.
1703 * common.opt (fira, fira-algorithm, fira-biased-coloring): New
1706 * regclass.c (contains_reg_of_mode, move_cost, may_move_in_cost,
1707 may_move_out_cost): Make the variables external.
1709 * rtl.h (eliminable_regset): New external variable declaration.
1710 (update_equiv_regs): New external function definition.
1712 * Makefile.in (IRA_INT_H): New definition.
1713 (OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
1714 ira-conflicts.o, ira-color.o, and ira-emit.o.
1715 (reload1.o, toplev.o): Add dependence on ira.h.
1716 (ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
1717 ira-emit.o): New entries.
1719 * passes.c (pass_ira): New pass.
1721 * reload1.c (alter_reg): Add a new parameter.
1722 (pseudo_reg_compare): New function.
1723 (reload): Sort pseudos for IRA. Call alter_reg with the
1724 additional parameter.
1725 (count_spilled_pseudo): New variable freq. Use it.
1726 (alter_reg): Add code for IRA.
1727 (eliminate_regs_1, finish_spills, emit_input_reload_insns,
1728 delete_output_reload): Use additional parameter for alter_reg.
1729 (finish_spills, emit_input_reload_insns, delete_output_reload):
1730 Call mark_allocation_change.
1731 (finish_spills): Call retry_ira_color.
1733 * doc/invoke.texi: Describe new options -fira,
1734 -fira-biased-coloring, and -fira-algorithm.
1736 * doc/passes.texi: Decribe IRA.
1738 * doc/tm.texi: Decribe macro IRA_COVER_CLASSES.
1740 * config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
1742 * config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
1744 * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
1746 * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
1748 Richard Henderson <rth@redhat.com>
1750 * tree-pass.h (pass_lower_subreg): New external definition.
1751 * toplev.h (flag_lower_subreg): New external definition.
1752 * rtl.def (CONCATN): New rtl expression.
1753 * dwarf2out.c (concatn_loc_descriptor): New function.
1754 (loc_descriptor): Process CONCATN.
1755 * timevar.def (TV_LOWER_SUBREG): New definition.
1756 * emit-rtl.c (gen_reg_rtx_offset): New function.
1757 (gen_lowpart_common): Process CONCATN.
1758 * simplify-rtx.c (simplify_subreg): Process CONCATN.
1759 * common.opt (flower-subreg): New options.
1760 * rtl.h (gen_reg_rtx_offset): New external definition.
1761 * Makefile.in (OBJS-common): Add lower-subreg.o.
1762 (lower-subreg.o): New entry.
1763 * passes.c (pass_lower_subreg): Add new pass.
1764 * lower-subreg.c: New file.
1766 2008-03-28 Rafael Espindola <espindola@google.com>
1768 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
1769 (tree_binary_nonnegative_warnv_p): Make it public.
1770 (tree_single_nonnegative_warnv_p): Make it public.
1771 (tree_invalid_nonnegative_warnv_p): Make it public.
1772 (tree_unary_nonzero_warnv_p): Make it public.
1773 (tree_binary_nonzero_warnv_p): Make it public
1774 (tree_single_nonzero_warnv_p): Make it public.
1775 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
1776 (extract_range_from_binary_expr): Split the expr argument.
1777 (extract_range_from_unary_expr): Split the expr argument.
1778 (extract_range_from_comparison): Split the expr argument.
1779 (extract_range_from_expr): Use the new aux functions.
1780 (vrp_evaluate_conditional_warnv): Use
1781 vrp_evaluate_conditional_warnv_with_ops.
1782 * tree.h (tree_unary_nonzero_warnv_p): Declare.
1783 (tree_binary_nonzero_warnv_p): Declare.
1784 (tree_single_nonzero_warnv_p): Declare.
1785 (tree_expr_nonzero_warnv_p): Declare.
1786 (tree_unary_nonnegative_warnv_p): Declare.
1787 (tree_binary_nonnegative_warnv_p): Declare.
1788 (tree_single_nonnegative_warnv_p): Declare.
1789 (tree_invalid_nonnegative_warnv_p): Declare.
1791 2008-03-28 Richard Guenther <rguenther@suse.de>
1793 PR tree-optimization/30317
1794 PR tree-optimization/30911
1795 PR tree-optimization/34793
1796 * tree-vrp.c (set_and_canonicalize_value_range): New function.
1797 (struct assert_locus_d): New member EXPR.
1798 (register_new_assert_for): Add EXPR parameter to support
1799 ASSERT_EXPR <name, expr OP limit>.
1800 (register_edge_assert_for_1): Adjust callers.
1801 (find_assert_locations): Likewise.
1802 (process_assert_insertions_for): Build condition from
1804 (extract_range_from_assert): Handle ASSERT_EXPRs
1805 of the form ASSERT_EXPR <name, expr OP limit>.
1806 (register_edge_assert_for_2): New helper registering
1807 asserts for comparisons. Recognize range tests of the form
1808 (unsigned)i - CST1 OP CST2.
1809 (register_edge_assert_for_1): Use it.
1810 (register_edge_assert_for): Likewise.
1811 (needs_overflow_infinity): Integer sub-types
1812 do not need overflow infinities.
1813 (vrp_val_is_max): The extreme values of integer sub-types
1814 are those of the base type.
1815 (vrp_val_is_min): Likewise.
1816 * tree.def (ASSERT_EXPR): Document extra allowed conditional
1819 2008-03-28 Nick Clifton <nickc@redhat.com>
1821 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
1822 Return GENERAL_REGS for stack adjustment reloads.
1824 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1827 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
1828 const_vector when all the vectors are constant.
1830 2008-03-27 Bob Wilson <bob.wilson@acm.org>
1832 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
1834 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
1835 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
1837 (s<code>_sf): Use new scc_sf attribute for opcode names.
1839 2008-03-27 Tom Tromey <tromey@redhat.com>
1841 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
1842 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
1843 config/spu/t-spu-elf, config/i386/t-interix,
1844 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
1845 config/i386/x-darwin, config/i386/x-mingw32,
1846 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
1847 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
1848 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
1849 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
1850 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
1851 config/rs6000/x-darwin, config/rs6000/t-rs6000,
1852 config/score/t-score-elf, config/arm/t-strongarm-pe,
1853 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
1854 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
1855 Revert automatic dependency patch.
1857 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
1860 * config/i386/i386.c (ix86_function_arg_boundary): Align
1861 decimal floating point to its natural boundary.
1863 2008-03-27 Richard Guenther <rguenther@suse.de>
1866 * fold-const.c (fold_comparison): Restrict distinct decl
1867 comparison folding to VAR_DECLs and PARM_DECLs. Do not
1868 solely rely on operand_equal_p.
1870 2008-03-27 Richard Guenther <rguenther@suse.de>
1873 * c-common.c (handle_weak_attribute): Reject combination of
1876 2008-03-27 Richard Guenther <rguenther@suse.de>
1878 PR tree-optimization/32810
1879 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
1880 conversions from DECL_INITIAL.
1881 (fold_const_aggregate_ref): Likewise from constructor elements.
1883 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
1885 * tree-affine.h (aff_combination_expand): Declare.
1886 (get_inner_reference_aff): Likewise.
1887 * tree-affine.c (aff_combination_expand): Split out from
1888 tree_to_aff_combination_expand.
1889 (get_inner_reference_aff): New function.
1890 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
1891 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
1892 (struct lim_aux_data): sm_done field removed.
1893 (mem_ref_loc_p, mem_ref_locs_p): New types.
1894 (struct mem_ref): Added id, stored, accesses_in_loop,
1895 indep_loop, dep_loop, indep_ref, dep_ref fields.
1896 Removed is_stored, locs and next fields.
1897 (memory_accesses): New variable.
1898 (movement_possibility): Do not allow moving statements
1899 that store to memory.
1900 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
1902 (determine_max_movement): For statements with memory references,
1903 find the outermost loop in that the reference is independent.
1904 (move_computations_stmt): Mark the virtual operands for
1906 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
1907 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
1908 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
1909 add_vop_ref_mapping, create_vop_ref_mapping_loop,
1910 create_vop_ref_mapping, analyze_memory_references,
1911 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
1912 get_all_locs_in_loop, ref_always_accessed_p,
1913 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
1914 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
1915 store_motion_loop, store_motion): New functions.
1916 (struct vop_to_refs_elt): New type.
1917 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
1918 memref_hash, memref_eq, hoist_memory_references): Rewritten.
1919 (schedule_sm): Replaced by...
1920 (execute_sm): ... this.
1921 (determine_lsm_ref, hoist_memory_references,
1922 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
1923 find_more_ref_vops, free_mem_ref, free_mem_refs,
1924 determine_lsm_loop, determine_lsm): Removed.
1925 (tree_ssa_lim_finalize): Free data structures used by store
1927 (tree_ssa_lim): Call analyze_memory_references. Use
1928 store_motion instead of determine_lsm.
1930 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
1932 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
1933 rename tmake_file to m68hc11/t-m68hc11.
1934 (mcore): Set inhibit_libc to true.
1935 * config.host (alpha*-dec-*vms*): Set extra_programs.
1936 (interix3*): Don't use host_xmake_file.
1937 * configure.ac: Let config.gcc override inhibit_libc.
1938 * configure: Regenerate.
1940 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
1941 * config/t-openbsd-thread: Remove commented out lines.
1943 * config/x-interix: Remove.
1945 * config/m68hc11/t-m68hc11-gas: Rename to...
1946 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
1948 * config/mcore/t-mcore: Remove T_CFLAGS.
1949 * config/mcore/t-mcore-pe: Likewise.
1951 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
1953 * configure.ac: Replace custom __GNU_SOURCE test with
1954 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
1955 * aclocal.m4: Regenerate.
1956 * configure: Regenerate.
1957 * config.in: Regenerate.
1959 2008-03-27 Richard Guenther <rguenther@suse.de>
1961 * fold-const.c (target.h): Include.
1962 (fold_comparison): Fold comparison of addresses of decls
1963 that bind locally or of constants. Consolidate address folding code.
1964 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
1965 results from fold_binary_to_constant.
1966 (compare_values_warnv): Likewise.
1968 2008-03-27 Andrew Pinski <pinskia@gmail.com>
1971 * fold-const.c (fold_truthop): Check for integeral types when folding
1972 a == 0 && b == 0 and a != 0 || b != 0 .
1974 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
1976 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
1978 2008-03-26 Andreas Schwab <schwab@suse.de>
1980 * doc/invoke.texi: Fix use of @item vs. @itemx.
1982 2008-03-26 Tom Tromey <tromey@redhat.com>
1984 * Makefile.in (build/gensupport.o, build/print-rtl.o,
1985 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
1986 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
1987 build/gencodes.o, build/genconditions.o, build/genconfig.o,
1988 build/genconstants.o, build/genemit.o, build/genextract.o,
1989 build/genflags.o, build/genmddeps.o, build/genopinit.o,
1990 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
1993 2008-03-26 Richard Guenther <rguenther@suse.de>
1996 2008-03-26 Richard Guenther <rguenther@suse.de>
1998 * fold-const.c (target.h): Include.
1999 (fold_comparison): Fold comparison of addresses of two decls
2000 that bind locally. Consolidate address folding code.
2002 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2004 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
2005 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
2006 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
2007 dconstsqrt2, dconstthird, dconste and/or dconst10.
2008 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
2009 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
2010 dconstsqrt2, dconste): Delete.
2011 (init_emit_once): Likewise. Simplify initializing dconstm1.
2013 * real.c (get_real_const): New.
2014 * real.h (dconst3, dconst10, dconstm2, dconstthird,
2015 dconstsqrt2, dconste): Delete.
2016 (real_value_const, get_real_const): New.
2018 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
2020 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
2022 * config/i386/i386.c (ix86_function_arg_boundary): Check
2023 BIGGEST_ALIGNMENT instead of 128.
2024 (setup_incoming_varargs_64): Likewise.
2026 2008-03-26 Tom Tromey <tromey@redhat.com>
2028 * Makefile.in (DEPFILES): Add missing '/'.
2030 2008-03-26 Richard Guenther <rguenther@suse.de>
2032 * fold-const.c (target.h): Include.
2033 (fold_comparison): Fold comparison of addresses of two decls
2034 that bind locally. Consolidate address folding code.
2036 2008-03-26 Nick Clifton <nickc@redhat.com>
2039 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
2040 not allow INT+INT as a legitimate addressing mode.
2042 2008-03-26 Richard Guenther <rguenther@suse.de>
2044 * tree-flow.h (widen_bitfield): Remove declaration.
2045 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
2046 (widen_bitfield): Remove function.
2047 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
2050 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
2053 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
2056 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
2058 PR rtl-optimization/35232
2059 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
2060 (forget_old_reloads_1, forget_marked_reloads): Don't clear
2061 reg_reloaded_call_part_clobbered here.
2062 (reload_regs_reach_end_p): New function.
2063 (reload_reg_rtx_for_input): New variable.
2064 (reload_reg_rtx_for_output): Likewise.
2065 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
2066 when reassigning a pseudo register. Load reloadreg from
2067 reload_reg_rtx_for_input, moving the mode and register
2069 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
2070 instead of the original when deciding whether an input reload
2071 would be a no-op or whether an output reload can be deleted.
2072 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
2073 when setting up new_spill_reg_store. Load it from
2074 reload_reg_rtx_for_output, moving the mode and register
2076 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
2077 instead of the original when deciding whether an output reload
2078 would be a no-op. Do the same when modifying insn notes.
2079 Use rtx_equal_p instead of == to compare the registers.
2080 (inherit_piecemeal_p): Take a mode and two register numbers
2082 (emit_reload_insns): Clear new_spill_reg_store for every hard
2083 register in the reload register. Remove spill registers
2084 from reg_reloaded_valid before considering whether to record
2085 inheritance information for them. Use reload_reg_rtx_for_output
2086 instead of reg_rtx when recording output reloads. Use
2087 reload_reg_rtx_for_input instead of reg_rtx when recording
2088 input reloads. Set or clear reg_reloaded_call_part_clobbered
2089 at the same time as setting reg_reloaded_valid.
2090 (delete_output_reload): Add a new_reload_reg parameter and use it
2091 instead of rld[j].reg_rtx.
2092 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
2095 2008-03-25 Tom Tromey <tromey@redhat.com>
2097 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
2098 (build/genattr.o): Likewise.
2099 (build/genattrtab.o): Likewise.
2100 (build/gencodes.o): Likewise.
2101 (build/genconfig.o): Likewise.
2102 (build/genconstants.o): Likewise.
2103 (build/genemit.o): Likewise.
2104 (build/genextract.o): Likewise.
2105 (build/genflags.o): Likewise.
2107 2008-03-25 Bob Wilson <bob.wilson@acm.org>
2109 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
2110 instead of size_int for integer types.
2111 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
2112 to match type of MINUS_EXPR.
2114 2008-03-25 Tom Tromey <tromey@redhat.com>
2116 * configure: Rebuilt.
2117 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
2120 2008-03-25 Tom Tromey <tromey@redhat.com>
2122 * config/x-solaris (host-solaris.o): Update.
2123 * config/x-linux (host-linux.o): Update.
2124 * config/x-hpux (host-hpux.o): Update.
2125 * config/x-darwin (host-darwin.o): Update.
2126 * config/v850/t-v850e (v850-c.o): Update.
2127 * config/v850/t-v850 (v850-c.o): Update.
2128 * config/t-vxworks (vxworks.o): Update.
2129 * config/t-sol2 (sol2-c.o, sol2.o): Update.
2130 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
2131 * config/spu/t-spu-elf (spu-c.o): Update.
2133 * config/sh/t-symbian (sh-c.o): Update.
2134 (symbian.o): Update.
2135 * config/sh/t-sh (sh-c.o): Update.
2136 * config/score/t-score-elf (score7.o, score3.o): Update.
2137 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
2138 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
2139 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
2140 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
2142 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
2143 * config/m32c/t-m32c (m32c-pragma.o): Update.
2144 * config/ia64/t-ia64 (ia64-c.o): Update.
2145 * config/i386/x-mingw32 (host-mingw32.o): Update.
2146 * config/i386/x-i386 (driver-i386.o): Update.
2147 * config/i386/x-darwin (host-i386-darwin.o): Update.
2148 * config/i386/x-cygwin (host-cygwin.o): Update.
2149 * config/i386/t-nwld (nwld.o): Update.
2150 * config/i386/t-netware (netware.o): Update.
2151 * config/i386/t-interix (winnt.o): Update.
2152 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
2153 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
2154 msformat-c.o): Update.
2155 * config/bfin/t-bfin-linux (generated_files): Add
2156 linux-sysroot-suffix.h.
2157 * config/arm/t-wince-pe (pe.o): Update.
2158 * config/arm/t-strongarm-pe (pe.o): Update.
2159 * config/arm/t-pe (pe.o): Update.
2160 * config/arm/t-arm (arm-c.o): Update.
2161 * doc/install.texi (Prerequisites): Require make 3.80.
2162 * Makefile.in: Remove .o targets.
2163 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
2164 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
2165 (simple_generated_h, simple_generated_c): Move earlier.
2166 (generated_files): New variable.
2167 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
2168 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
2169 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
2170 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
2171 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
2172 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
2173 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
2174 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
2175 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
2176 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
2177 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
2178 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
2180 (COMPILE.base, COMPILE): New variables.
2181 (%.o): New pattern rule.
2182 (ALL_HOST_OBJS): New variable.
2183 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
2184 (dummy-checksum.o, cc1-checksum.o): Remove.
2185 (DRIVER_SHLIB): New variable.
2186 (DRIVER_DEFINES): Use it.
2187 (gencondmd.c): Move out of build/.
2188 (s-conditions): Update.
2189 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
2190 (ALL_BUILD_OBJS): Likewise.
2191 (build/%.o): Use BUILDCOMPILE.
2192 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
2193 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
2194 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
2195 build/gencheck.o, build/gencodes.o, build/genconditions.o,
2196 build/genconfig.o, build/genconstants.o, build/genemit.o,
2197 build/genextract.o, build/genflags.o, build/genmddeps.o,
2198 build/genopinit.o, build/genoutput.o, build/genpeep.o,
2199 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
2200 build/gen-protos.o, build/scan.o, build/fix-header.o,
2201 build/scan-decls.o): Simplify.
2202 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
2203 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
2204 prefix.o, toplev.o): Reduce to variable setting.
2205 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
2206 ($(out_object_file), gcc-options.o): New targets.
2207 ($(ALL_HOST_OBJS)): New target. Include dependency files.
2208 * configure: Rebuilt.
2209 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
2210 * doc/sourcebuild.texi (Front End Directory): Document new variable.
2212 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
2214 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
2215 complain when we hit an error, return ERROR_MARK_NODE.
2217 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2219 * config/sh/constraints.md (Pso, Psz): New constraints.
2220 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
2221 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
2223 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2225 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
2226 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
2228 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2230 * config/sh/sh.md (prefetch): Add condition for SH2A target.
2231 (prefetch_sh2a): New.
2233 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
2234 Naveen.H.S <naveen.hs@kpitcummins.com>
2236 * config/sh/constraints.md (I28): New constraint.
2237 * config/sh/sh.c (broken_move): Add support for movi20s.
2238 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
2240 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
2241 Jayant Sonar <Jayant.sonar@kpitcummins.com>
2242 Naveen.H.S <naveen.hs@kpitcummins.com>
2244 * config/sh/sh.c (SH_ATTRIBUTES): Define.
2245 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
2246 (print_operand): Handle resbank in %@ operand code.
2247 (sh_encode_section_info): New.
2248 (push_regs): Add conditions for resbank.
2249 (sh_expand_epilogue): Likewise.
2250 (sh_insert_attributes): Likewise.
2251 (sh_attribute_table): Likewise.
2252 (sh_handle_resbank_handler_attribute): New.
2253 (sh2a_handle_function_vector_handler_attribute): New.
2254 (sh2a_is_function_vector_call): New.
2255 (sh2a_get_function_vector_number): New.
2256 (sh2a_function_vector_p): New.
2257 (sh_cfun_resbank_handler_p): New.
2258 * config/sh/sh.md (calli): Emit jsr/n if possible.
2259 (calli_tbr_rel): New.
2260 (calli_pcrel): Emit jsr/n if possible.
2261 (return_i): Emit rts/n if possible.
2262 (call_valuei_tbr_rel): New.
2263 (call_valuei_pcrel): Add condition for SH2A target.
2264 (call_value): Likewise.
2265 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
2266 (sh2a_get_function_vector_number): Likewise.
2267 (sh2a_is_function_vector_call): Likewise.
2268 * doc/extend.texi: Document TBR relative addressing of SH2A.
2269 (resbank): Add description for SH2A.
2271 2008-03-24 Richard Guenther <rguenther@suse.de>
2274 * gimplify.c (gimplify_modify_expr): For frontend type-correct
2275 pointer assignments change conversions according to middle-end rules.
2276 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
2277 * configure.ac: Include type checking in yes.
2278 * configure: Regenerate.
2280 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2282 * diagnostic.c (diagnostic_count_diagnostic): Delete.
2283 (diagnostic_report_diagnostic): Update. Handle ICEs here.
2285 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
2287 * gthr-vxworks.h (UNUSED): Define.
2289 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
2291 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and
2294 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
2296 * doc/extend.texi (Function Attributes): Add missing comma in the
2297 example of the "alloc_size" attribute.
2299 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
2302 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
2304 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2307 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
2310 * stor-layout.c (update_alignment_for_field): Set minimum alignment
2311 of the underlying type of a MS bitfield layout to the natural
2312 alignment of the type.
2314 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
2316 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
2317 to their natural alignment to avoid store forwarding stalls.
2319 2008-03-22 Richard Guenther <rguenther@suse.de>
2321 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
2322 For PHI nodes verify the address is invariant.
2323 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
2324 (get_symbol_constant_value): Use is_gimple_min_invariant.
2325 (maybe_fold_stmt_indirect): Likewise.
2327 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
2329 PR rtl-optimization/33927
2330 * Makefile.in (dse.o): Depend on $(TM_P_H).
2331 * expr.h (extract_low_bits): Declare.
2332 * expmed.c (extract_low_bits): New function.
2333 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
2334 * dse.c: Include tm_p.h.
2335 (find_shift_sequence): Remove the read_reg argument and return the
2336 read value. Emit the instructions instead of returning them.
2337 Iterate on new_mode rather than calculating it each time.
2338 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
2339 source to NEW_MODE and extract_low_bits to convert the shifted
2341 (replace_read): Allow the load and store to have different mode
2342 classes. Use extract_low_bits when SHIFT == 0. Create the shift
2343 or extraction instructions before trying the replacement. Update
2344 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
2346 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
2348 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
2349 to their natural alignment to avoid store forwarding stalls.
2351 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
2354 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
2355 encouraging but not allowing gprs for input;
2356 change the input constraint to !f#r.
2357 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
2359 change the output constraint to !f#r.
2361 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
2364 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
2365 corresponding post-reload splitters.
2366 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
2367 when x87 FP math is selected.
2368 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
2369 New function prototype.
2370 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
2371 unreachable function to ease macroization of insn patterns.
2373 2008-03-21 Martin Jambor <mjambor@suse.cz>
2375 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
2376 reference dumps if ddr is NULL or dependence is unknown.
2378 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2380 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
2381 unsigned extension into account.
2382 (ATOMIC_COMPARE_AND_SWAP): Likewise.
2383 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
2384 Do computations on a scratch register.
2386 2008-03-21 Richard Guenther <rguenther@suse.de>
2388 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
2389 Use is_gimple_min_invariant instead of TREE_INVARIANT.
2390 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
2391 * tree-ssa-dom.c (record_equality): Likewise.
2392 * tree-inline.c (copy_body_r): Likewise.
2393 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
2396 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2398 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
2399 as 'delete_unused' argument.
2401 2008-03-20 Richard Guenther <rguenther@suse.de>
2403 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2404 special casing of constant qualifiers.
2405 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
2406 care about them in general.
2407 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
2408 regardless of their type.
2409 (fold_stmt_r): Forcefully fold *& if we end up with that.
2411 2008-03-20 Paul Brook <paul@codesourcery.com>
2413 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
2414 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
2416 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
2418 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
2419 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
2421 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
2423 * common.opt (Wmudflap): New option.
2424 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
2425 (mx_register_decls): Likewise.
2426 (mudflap_finish_file): Likewise.
2427 * doc/invoke.texi: Document -Wno-mudflap.
2429 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
2431 * c-format.c (replace_format_name_to_system_name): New.
2433 (convert_format_name_to_system_name): New.
2434 (decode_format_attr): Add use of convert_format_name_to_system_name.
2435 (format_types_orig): Add gnu_ prefix to names.
2436 (check_format_info_main): Special treating of \0 escaped names for
2437 supporting multi-character format specifiers as I32, I64.
2438 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
2439 (gnu_target_overrides_format_attributes): New.
2440 * c-format.h: Add structure target_ovr_attr to hold
2441 system specific formatter names.
2442 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
2443 msformat-c.o file to c_target_objs and cxx_target_objs.
2444 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
2445 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
2446 (TARGET_N_FORMAT_TYPES): New.
2447 * config/i386/msformat-c.c: New.
2448 * config/i386/t-cygming: Add build rule for msformat-c.o.
2449 * doc/extend.texi: Add new format names gnu_* and ms_* and
2451 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
2453 2008-03-20 Ira Rosen <irar@il.ibm.com>
2455 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
2456 optimizations turned on under -O3.
2457 (ftree-vectorize): Add that the flag is turned on with -O3.
2459 2008-03-20 Ben Elliston <bje@au.ibm.com>
2461 * regmove.c (try_auto_increment): Fix spelling error in comment.
2462 * final.c (final_scan_insn): Likewise.
2464 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
2467 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
2468 allocator preferences for "y" and "r" class registers.
2469 ("*mov<mode>_internal"): Ditto.
2470 ("*movv2sf_internal_rex64"): Ditto.
2471 ("*movv2sf_internal"): Ditto.
2473 2008-03-19 Michael Matz <matz@suse.de>
2476 * calls.c (expand_call): Check overlap of arguments with call
2477 address for sibcalls.
2479 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
2482 * stor-layout.c (update_alignment_for_field): Set minimum alignment
2483 of the underlying type of a MS bitfield layout to the natural
2484 alignment of the type.
2486 2008-03-19 Jan Hubicka <jh@suse.cz>
2489 * toplev.c (decode_d_option): Handle all CPP flags.
2490 * tree-vrp.c: Update tree_pass descriptors.
2491 * regrename.c: Update tree_pass descriptors.
2492 * fwprop.c: Update tree_pass descriptors.
2493 * doc/invoke.texi: Remove documentation of dropped -d? flags.
2494 * tree-into-ssa.c: Update tree_pass descriptors.
2495 * tree-dump.c: Update tree_pass descriptors.
2496 * tree-complex.c: Update tree_pass descriptors.
2497 * tree-dump.h: Update tree_pass descriptors.
2498 * see.c: Update tree_pass descriptors.
2499 * cgraphbuild.c: Update tree_pass descriptors.
2500 * tracer.c: Update tree_pass descriptors.
2501 * tree-loop-distribution.c: Update tree_pass descriptors.
2502 * cgraph.c: Update tree_pass descriptors.
2503 * postreload-gcse.c: Update tree_pass descriptors.
2504 * postreload.c: Update tree_pass descriptors.
2505 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
2506 * tree-tailcall.c: Update tree_pass descriptors.
2507 * tree-pass.h (tree_opt_pass): Rename to ...
2508 (opt_pass) ... this one; add "type" field and remove letter field.
2509 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
2510 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
2511 all_lowering_passes): Update declaration.
2512 * ipa-cp.c: Update tree_pass descriptors.
2513 * final.c: Update tree_pass descriptors.
2514 * omp-low.c: Update tree_pass descriptors.
2515 * tree-ssa-dse.c: Update tree_pass descriptors.
2516 * ipa-reference.c: Update tree_pass descriptors.
2517 * tree-ssa-uncprop.c: Update tree_pass descriptors.
2518 * auto-inc-dec.c: Update tree_pass descriptors.
2519 * reorg.c: Update tree_pass descriptors.
2520 * cgraphunit.c: Update tree_pass descriptors.
2521 * tree-ssa-copyrename.c: Update tree_pass descriptors.
2522 * tree-ssa-ccp.c: Update tree_pass descriptors.
2523 * df-core.c: Update tree_pass descriptors.
2524 * mode-switching.c: Update tree_pass descriptors.
2525 * tree-nomudflap.c: Update tree_pass descriptors.
2526 * modulo-sched.c: Update tree_pass descriptors.
2527 * ipa-pure-const.c: Update tree_pass descriptors.
2528 * cse.c: Update tree_pass descriptors.
2529 * web.c: Update tree_pass descriptors.
2530 * tree-stdarg.c: Update tree_pass descriptors.
2531 * tree-ssa-math-opts.c: Update tree_pass descriptors.
2532 * tree-ssa-dom.c: Update tree_pass descriptors.
2533 * tree-nrv.c: Update tree_pass descriptors.
2534 * tree-ssa-alias.c: Update tree_pass descriptors.
2535 * loop-init.c: Update tree_pass descriptors.
2536 * gimple-low.c: Update tree_pass descriptors.
2537 * ipa-inline.c: Update tree_pass descriptors.
2538 * tree-ssa-sink.c: Update tree_pass descriptors.
2539 * global.c: Update tree_pass descriptors.
2540 * ifcvt.c: Update tree_pass descriptors.
2541 * jump.c: Update tree_pass descriptors.
2542 * predict.c: Update tree_pass descriptors.
2543 * tree-ssa-loop.c: Update tree_pass descriptors.
2544 * recog.c: Update tree_pass descriptors.
2545 * dse.c: Update tree_pass descriptors.
2546 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
2547 * tree-eh.c: Update tree_pass descriptors.
2548 * regmove.c: Update tree_pass descriptors.
2550 * function.c: Update tree_pass descriptors.
2551 * tree-vectorizer.c: Update tree_pass descriptors.
2552 * gcse.c: Update tree_pass descriptors.
2553 * ipa-type-escape.c: Update tree_pass descriptors.
2554 * tree-if-conv.c: Update tree_pass descriptors.
2555 * init-regs.c: Update tree_pass descriptors.
2556 * ipa.c: Update tree_pass descriptors.
2557 * tree-ssa-phiopt.c: Update tree_pass descriptors.
2558 * rtl-factoring.c: Update tree_pass descriptors.
2559 * lower-subreg.c: Update tree_pass descriptors.
2560 * bt-load.c: Update tree_pass descriptors.
2561 * tree-dfa.c: Update tree_pass descriptors.
2562 * except.c: Update tree_pass descriptors.
2563 * emit-rtl.c: Update tree_pass descriptors.
2564 * cfgexpand.c: Update tree_pass descriptors.
2565 * tree-cfgcleanup.c: Update tree_pass descriptors.
2566 * cfgcleanup.c: Update tree_pass descriptors.
2567 * tree-ssa-pre.c: Update tree_pass descriptors.
2568 * tree-sra.c: Update tree_pass descriptors.
2569 * tree-mudflap.c: Update tree_pass descriptors.
2570 * tree-ssa-copy.c: Update tree_pass descriptors.
2571 * cfglayout.c: Update tree_pass descriptors.
2572 * tree-ssa-forwprop.c: Update tree_pass descriptors.
2573 * tree-ssa-dce.c: Update tree_pass descriptors.
2574 * tree-ssa.c: Update tree_pass descriptors.
2575 * regclass.c: Update tree_pass descriptors.
2576 * integrate.c: Update tree_pass descriptors.
2577 * tree-optimize.c: Update tree_pass descriptors.
2578 * tree-ssa-phiprop.c: Update tree_pass descriptors.
2579 * tree-object-size.c: Update tree_pass descriptors.
2580 * combine.c: Update tree_pass descriptors.
2581 * tree-outof-ssa.c: Update tree_pass descriptors.
2582 * bb-reorder.c: Update tree_pass descriptors.
2583 * stack-ptr-mod.c: Update tree_pass descriptors.
2584 * var-tracking.c: Update tree_pass descriptors.
2585 * tree-profile.c: Update tree_pass descriptors.
2586 * tree-vect-generic.c: Update tree_pass descriptors.
2587 * reg-stack.c: Update tree_pass descriptors.
2588 * sched-rgn.c: Update tree_pass descriptors.
2589 * tree-ssa-structalias.c: Update tree_pass descriptors.
2590 * tree-cfg.c: Update tree_pass descriptors.
2591 * passes.c (current_pass): Update declaration.
2592 (finish_optimization_passes): Update.
2593 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
2594 (register_one_dump_file, register_dump_files_1, next_pass_1):
2596 (init_optimization_passes): Update handling of new types.
2597 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
2598 * ipa-struct-reorg.c: Update tree_pass descriptors.
2599 * tree-ssa-reassoc.c: Update tree_pass descriptors.
2600 * combine-stack-adj.c: Update tree_pass descriptors.
2601 * cfgrtl.c: Update tree_pass descriptors.
2602 * dce.c: Update tree_pass descriptors.
2603 * tree-ssanames.c: Update tree_pass descriptors.
2605 2008-03-19 Richard Guenther <rguenther@suse.de>
2608 * tree-ssa.c (walk_data): New structure.
2609 (warn_uninitialized_var): If not always_executed warn with "maybe"
2611 (execute_early_warn_uninitialized): Compute post-dominators.
2612 Initialize always_executed before processing each basic block.
2614 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
2617 * config/i386/i386.c (x86_this_parameter): Calculate correct location
2618 of "this" pointer when "regparm = N" or "fastcall" is in effect.
2620 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2622 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
2624 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
2626 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
2628 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
2629 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
2630 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
2631 target after ignore has been set, and move there also the commputation
2632 of subtarget and original_target.
2633 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
2634 (LANG_HOOKS_INITIALIZER): Remove it.
2635 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
2637 2008-03-18 Richard Guenther <rguenther@suse.de>
2639 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
2640 found an expression with constants, note that in the VN for the lhs.
2641 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
2642 fold them to constants if possible. Run cleanup_cfg if done so.
2643 (execute_pre): Return todo.
2645 (execute_fre): Likewise.
2646 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
2648 (get_prop_source_stmt): Look through pointer conversions.
2650 2008-03-18 Jan Hubicka <jh@suse.cz>
2652 * tree-pretty-print.c: Include predict.h.
2653 (dump_generic_node): Dump predictor.
2654 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
2655 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
2656 * gimple-low.c (lower_stmt): Likewise.
2657 * expr.c (expand_expr_real): Likewise.
2658 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
2660 (build_predict_expr, build_predict_expr): New.
2661 * predict.h (predictor_name, build_predict_expr): Update.
2662 * c-typeck.c (c_finish_bc_stmt): Add prediction.
2663 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
2664 * predict.def (PRED_CONTINUE): Update hitrate.
2665 * tree.def (PREDICT_EXPR): Define.
2666 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
2667 do not handle BIND_EXPR.
2668 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
2669 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
2670 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
2673 2008-03-18 Michael Matz <matz@suse.de>
2675 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
2677 2008-03-18 Richard Guenther <rguenther@suse.de>
2679 * tree-gimple.h (is_gimple_invariant_address): Declare.
2680 (is_gimple_constant): Likewise.
2681 * tree-gimple.c (is_gimple_constant): New function.
2682 (is_gimple_invariant_address): Likewise.
2683 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
2684 and is_gimple_invariant_address.
2685 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
2687 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
2688 an addressable base.
2690 2008-03-18 Jakub Jelinek <jakub@redhat.com>
2693 * gimplify.c (gimplify_expr): Gimplify second operand of
2696 2008-03-17 Richard Guenther <rguenther@suse.de>
2698 PR tree-optimization/19637
2699 * fold-const.c (fold_unary): Remove restrictions of removing
2700 intermediate pointer-conversions (P2)(P1)P0.
2701 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
2702 conversion to void pointer.
2703 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
2705 2008-03-16 James E. Wilson <wilson@tuliptree.org>
2708 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
2709 emulated thread local variables.
2711 2008-03-16 Richard Guenther <rguenther@suse.de>
2714 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
2715 expand TREE_INVARIANT operations that are not gimple invariant.
2717 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
2719 * doc/extend.texi (Alignment): Say that the ABI controls
2720 the __alignof__ for non-strict-alignment targets rather
2721 than being a recommendation.
2723 2008-03-15 Paul Brook <paul@codesourcery.com>
2725 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
2727 (arm_output_fn_unwind): Mark functions that can not be unwound.
2729 2008-03-15 Paul Brook <paul@codesourcery.com>
2731 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
2732 extension instructions.
2734 2008-03-15 Richard Guenther <rguenther@suse.de>
2736 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
2737 and fold constant aggregate refs.
2738 (fold_const_aggregate_ref): Handle string constants
2739 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
2740 (evaluate_stmt): Simplify now that ccp_fold folds constant
2743 2008-03-15 Paul Brook <paul@codesourcery.com>
2745 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
2746 (extzv): Use gen_extzv_t2.
2747 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
2749 2008-03-15 Richard Guenther <rguenther@suse.de>
2751 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
2752 (fold_const_aggregate_ref): Likewise.
2753 (get_value): Return NULL if we don't have any values.
2754 (ccp_finalize): Set const_val to NULL after freeing it.
2755 * tree-flow.h (get_symbol_constant_value): Declare.
2756 (fold_const_aggregate_ref): Likewise.
2757 * tree-ssa-sccvn.c (try_to_simplify): Use them.
2759 2008-03-15 Richard Guenther <rguenther@suse.de>
2762 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
2763 to not produce negative array indices if not allowed. Add
2764 parameter to indicate that.
2765 (maybe_fold_offset_to_component_ref): Allow negative array
2766 indices only for the first member of a structure.
2767 (maybe_fold_offset_to_reference): Allow negative array indices.
2768 (maybe_fold_stmt_addition): Likewise.
2770 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
2771 Anatoly Sokolov <aesok@post.ru>
2773 * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
2774 (avr_arch): Add ARCH_AVR6.
2775 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
2776 (initial_elimination_offset): Initialize and use 'avr_pc_size'
2777 instead of fixed value 2.
2778 (print_operand_address): Use gs() asm specifier instead of pm().
2779 (avr_assemble_integer): (Ditto.).
2780 (avr_output_addr_vec_elt): (Ditto.).
2781 (print_operand): Handle "!" code.
2782 * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
2783 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
2784 (AVR_HAVE_EIJMP_EICALL): Define.
2785 (AVR_3_BYTE_PC): Redefine.
2786 (AVR_2_BYTE_PC): (Ditto.).
2787 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
2788 (LINK_SPEC): Add atmega2560 and atmega2561.
2789 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
2791 * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
2792 for 3 byte PC devices.
2793 (call_value_insn): (Ditto.).
2794 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
2795 (indirect_jump): Use only for for 2 byte PC devices.
2796 (*tablejump): (Ditto.).
2797 (*indirect_jump_avr6): Add insn.
2798 (*tablejump_rjmp): Don't use for 3 byte PC devices.
2799 * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
2800 instead of ijmp for 3 byte PC devices.
2801 (__tablejump2__): (Ditto.).
2802 * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
2803 (MULITLIB_DIRNAMES): (Ditto.).
2804 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
2806 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
2808 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
2809 "sse2_umulsidi3". Use V1DI mode for operand 0.
2810 ("mmx_psadbw"): Use V1DI mode for operand 0.
2811 * config/i386/i386-modes.def (V1SI): New vector mode.
2812 * config/i386/i386.c (struct builtin_description)
2813 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
2814 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
2815 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
2816 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
2817 v1di_ftype_v8qi_v8qi type.
2818 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
2820 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
2821 __builtin_ia32_pmuludq]: Fix the mode of return value.
2823 2008-03-15 Richard Guenther <rguenther@suse.de>
2826 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
2829 2008-03-14 Bob Wilson <bob.wilson@acm.org>
2831 * doc/invoke.texi (Option Summary, Xtensa Options): Document
2832 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
2833 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
2834 unless TARGET_SERIALIZE_VOLATILE is enabled.
2835 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
2836 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
2837 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
2839 2008-03-14 Richard Guenther <rguenther@suse.de>
2841 PR tree-optimization/34172
2842 * tree-flow.h (refs_may_alias_p): Declare.
2843 (get_single_def_stmt): Likewise.
2844 (get_single_def_stmt_from_phi): Likewise.
2845 (get_single_def_stmt_with_phi): Likewise.
2846 * tree-dfa.c (refs_may_alias_p): New function.
2847 (get_single_def_stmt): Likewise.
2848 (get_single_def_stmt_from_phi): Likewise.
2849 (get_single_def_stmt_with_phi): Likewise.
2850 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
2851 (vn_reference_lookup_1): New helper function.
2852 (vn_reference_lookup): Walk the virtual use-def chain to
2853 continue searching for a match if the def does not alias the
2854 reference we are looking for.
2856 2008-03-14 David Edelsohn <edelsohn@gnu.org>
2858 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
2859 archive and Perzl. Update The Written Word listing.
2861 2008-03-14 Richard Guenther <rguenther@suse.de>
2863 PR tree-optimization/34043
2864 PR tree-optimization/33989
2865 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
2867 (bitmap_find_leader): Use extra argument to verify dominance
2868 relationship inside a basic-block.
2869 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
2870 (find_leader_in_sets): Adjust.
2871 (create_component_ref_by_pieces): Take extra argument for
2872 dominance check, handle lookup failures.
2873 (find_or_generate_expression): Likewise.
2874 (create_expression_by_pieces): Likewise.
2875 (insert_into_preds_of_block): Adjust.
2876 (create_value_expr_from): If asked for, verify all operands
2877 are in the blocks AVAIL_OUT set.
2878 (make_values_for_stmt): Check for SSA_NAMEs that are life
2879 over an abnormal edge.
2880 (compute_avail): Remove such check.
2881 (do_SCCVN_insertion): New function.
2882 (eliminate): If we do not find a leader suitable for replacement
2883 insert a replacement expression from SCCVN if available.
2884 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
2885 (struct vn_ssa_aux): Add needs_insertion flag.
2886 * tree-ssa-sccvn.c (may_insert): New global flag.
2887 (copy_reference_ops_from_ref): Value-number union member access
2888 based on its size, not type and member if insertion is allowed.
2889 (visit_reference_op_load): For a weak match from union type
2890 punning lookup a view-converted value and insert a SSA_NAME
2891 for that value if that is not found.
2892 (visit_use): Make dumps shorter. Do not disallow value numbering
2893 SSA_NAMEs that are life over an abnormal edge to constants.
2894 (free_scc_vn): Release inserted SSA_NAMEs.
2895 (run_scc_vn): New flag to specify whether insertion is allowed.
2896 Process SSA_NAMEs in forward order.
2897 * tree-ssa-loop-im.c (for_each_index): Handle invariant
2898 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
2899 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
2900 pointer type to/from integral types that do not change the
2901 precision to regular conversions.
2903 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
2905 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2906 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2907 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
2908 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
2909 input arguments and the mode of return value. Built-in functions
2910 that operate on whole 64-bit MMX register now use V1DI mode.
2912 2008-03-13 Alon Dayan <alond@il.ibm.com>
2913 Olga Golovanevsky <olga@il.ibm.com>
2915 PR tree-optimization/35041
2916 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
2917 to locate the right position in a statement.
2919 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
2923 * config/i386/xmmintrin.h: Change all static inline functions to
2924 extern inline and add __gnu_inline__ attribute.
2925 * config/i386/bmintrin.h: Ditto.
2926 * config/i386/smmintrin.h: Ditto.
2927 * config/i386/tmmintrin.h: Ditto.
2928 * config/i386/mmintrin-common.h: Ditto.
2929 * config/i386/ammintrin.h: Ditto.
2930 * config/i386/emmintrin.h: Ditto.
2931 * config/i386/pmmintrin.h: Ditto.
2932 * config/i386/mmintrin.h: Ditto.
2933 * config/i386/mm3dnow.h: Ditto.
2935 2008-03-13 Jakub Jelinek <jakub@redhat.com>
2938 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
2939 (lower_omp_2): New function.
2940 (lower_omp_1, lower_omp): Rewritten.
2942 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
2945 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
2946 with the phrase "Microsoft Windows compilers".
2947 (Push/Pop Macro Pragmas): New subsection. Document
2948 #pragma push_macro and pragma pop_macro.
2950 2008-03-12 Paul Brook <paul@codesourcery.com>
2952 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
2954 2008-03-12 Paul Brook <paul@codesourcery.com>
2956 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
2957 (thumb2_alusi3_short): Exclude PLUS and MINUS.
2958 (thumb2_addsi_shortim): Rename ...
2959 (thumb2_addsi_short): ... to this. Allow register operands.
2960 (thumb2_subsi_short): New pattern.
2961 (thumb2_one_cmplsi2_short,
2962 thumb2_negsi2_short): New patterns and peepholes.
2964 2008-03-12 Paul Brook <paul@codesourcery.com>
2966 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
2968 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
2970 * config/i386/i386.md (int_cond): New code iterator.
2972 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
2973 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
2974 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
2975 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
2976 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
2977 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
2978 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
2979 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
2981 2008-03-12 Paul Brook <paul@codesourcery.com>
2983 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
2984 instead of {arm,thumb}_compute_save_reg_mask.
2985 (output_return_instruction): Ditto.
2986 (thumb_unexpanded_epilogue): Ditto.
2987 (thumb1_expand_prologue): Ditto.
2988 (thumb1_output_function_prologue): Ditto.
2989 (arm_set_return_address): Ditto.
2990 (thumb_set_return_address): Ditto.
2991 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
2992 regs to achieve stack alignment.
2993 (thumb1_compute_save_reg_mask): Fix compiler warning.
2994 (arm_output_epilogue): Use offsets->saved_regs_mask.
2995 Adjust stack pointer by poping call clobered registers.
2996 (arm_expand_prologue): Use offsets->saved_regs_mask.
2997 Adjust stack pointer by pushing extra registers.
2998 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
3000 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
3003 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
3004 conversion to the operands of a multiplication.
3006 2008-03-12 Richard Guenther <rguenther@suse.de>
3008 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
3009 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
3010 * timevar.def (TV_TREE_PHIPROP): Add.
3011 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
3012 pass description. Use TV_TREE_PHIPROP.
3013 * tree-ssa-forwprop.c: Remove phiprop code.
3015 2008-03-12 Jakub Jelinek <jakub@redhat.com>
3018 * omp-low.c (maybe_lookup_decl): Constify first argument.
3019 (use_pointer_for_field): Change last argument from bool to
3020 omp_context *. Disallow shared copy-in/out in nested
3021 parallel if decl is shared in outer parallel too.
3022 (build_outer_var_ref, scan_sharing_clauses,
3023 lower_rec_input_clauses, lower_copyprivate_clauses,
3024 lower_send_clauses, lower_send_shared_vars): Adjust callers.
3026 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
3027 Ira Rosen <irar@il.ibm.com>
3029 * tree-vectorizer.c (free_stmt_vec_info): New function.
3030 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
3031 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
3032 * tree-vectorizer.h (free_stmt_vec_info): Declare.
3033 * tree-vect-transform.c (vectorizable_conversion): Free
3034 vec_oprnds0 if it was allocated.
3035 (vect_permute_store_chain): Remove unused VECs.
3036 (vectorizable_store): Free VECs that are allocated in the..
3038 (vect_transform_strided_load, vectorizable_load): Likewise.
3039 (vect_remove_stores): Simplify the code.
3040 (vect_transform_loop): Move code to vect_remove_stores().
3041 Call vect_remove_stores() and free_stmt_vec_info().
3043 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3045 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
3046 TARGET_HPUX. Revise comment.
3047 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
3048 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
3049 Use sr4 variant of `be' instruction when not generating PIC code.
3050 (attr_length_call): Adjust for above change.
3052 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3054 * ipa-reference.c (static_execute): Remove module_statics_const and
3055 associated setting code.
3057 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
3060 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
3061 predicate for operand 1.
3062 (paritysi2_cmp): Use register_operand predicate for operand 2.
3063 Use earlyclobber modifier for operand 1. Remove support for
3065 (paritydi2_cmp): Use register_operand predicate for operand 3.
3066 Use earlyclobber modifier for operand 1. Remove support for
3069 2008-03-11 Paul Brook <paul@codesourcery.com>
3070 Vladimir Prus <vladimir@codesourcery.com>
3072 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
3073 (arm_compute_save_reg0_reg12_mask): Always
3074 check if register 11 must be saved. Always safe hard frame pointer
3075 when frame_pointer_needeed.
3076 (arm_compute_save_reg_mask): Save IP and PC
3077 only with apcs frames.
3078 (arm_output_epilogue): Adjust Thumb2 codepath to
3079 be also invoked and work for ARM non-apcs frames.
3080 (arm_expand_prologue): Don't bother saving IP
3081 for non-apcs frame, since it's not clobbered by
3082 prologue code. Implement non-apcs frame
3085 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
3087 PR rtl-optimization/35281
3088 * expr.c (convert_move): Use a new pseudo for the intermediate
3089 from_mode->word_mode result.
3091 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
3093 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
3094 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
3095 * toplev.c (compile_file): Don't call it.
3097 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
3100 * expr.c (store_expr): Call emit_block_move if the mode
3101 of "temp" RTX is BLKmode.
3103 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3104 Richard Guenther <rguenther@suse.de>
3106 PR tree-optimization/31358
3107 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
3108 the step with a NULL_TREE.
3109 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
3110 to sizetype if type is a pointer type.
3111 (add_candidate_1): Don't convert the base and step to
3112 the generic type if the orginal type is a pointer type.
3113 (add_iv_value_candidates): Use sizetype for the step
3114 if type is a pointer type.
3115 (cand_value_at): Likewise.
3116 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
3118 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
3119 Don't convert the tem affine to the type.
3120 (add_elt_to_tree): Use sizetype for the step if a pointer.
3121 Use POINTER_PLUS_EXPR for pointers.
3122 (aff_combination_to_tree): Use sizetype for the step if a
3125 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
3127 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
3128 Remove commutativity hint.
3130 2008-03-10 Jakub Jelinek <jakub@redhat.com>
3134 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
3135 errorneous type. Check that v is a VAR_DECL.
3138 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
3140 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
3142 PR tree-optimization/35494
3143 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
3144 may be overriden at link and run time.
3146 2008-03-10 Richard Guenther <rguenther@suse.de>
3148 PR tree-optimization/34677
3149 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
3150 (poolify_tree): Likewise.
3151 (modify_expr_template): Likewise.
3152 (poolify_modify_stmt): Likewise.
3153 (insert_fake_stores): Handle all component-ref style stores
3154 in addition to INDIRECT_REF. Also handle complex types.
3155 Do not poolify the inserted load.
3156 (realify_fake_stores): Do not rebuild the tree but only
3157 make it a SSA_NAME copy.
3158 (init_pre): Remove initialzation of modify_expr_template.
3159 Do not allocate modify_expr_node_pool.
3160 (fini_pre): Do not free modify_expr_node_pool.
3162 2008-03-10 Paul Brook <paul@codesourcery.com>
3164 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
3167 2008-03-10 Paul Brook <paul@codesourcery.com>
3168 Mark Shinwell <shinwell@codesourcery.com>
3170 * config/arm/cortex-r4.md: New.
3171 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
3173 * config/arm/arm.md: Include cortex-r4.md.
3174 (insn): Add smmls, sdiv and udiv values.
3175 (generic_sched): Don't use generic scheduling for Cortex-R4.
3176 (arm_issue_rate): New function.
3177 (TARGET_SCHED_ISSUE_RATE): Define.
3179 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
3181 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
3183 2008-03-10 Richard Guenther <rguenther@suse.de>
3185 * tree-ssa-pre.c (get_sccvn_value): Simplify.
3186 (compute_avail): Do not add stmt uses to AVAIL_OUT.
3188 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
3190 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
3191 Set default to true.
3193 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3195 * c.opt (Wsynth): Deprecate.
3196 * doc/invoke.texi (Option Summary, Warning Options): Document
3197 -Wno-format-contains-nul.
3199 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
3202 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
3203 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
3205 2008-03-09 Ira Rosen <irar@il.ibm.com>
3207 * config/rs6000/rs6000.c (builtin_description): Rename vector
3208 left shift operations.
3209 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
3210 (altivec_vsl<VI_char>): Rename to ...
3211 (ashl<mode>3): ... new name.
3212 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
3214 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
3216 2008-03-08 Richard Guenther <rguenther@suse.de>
3218 * coverage.h (tree_coverage_counter_addr): Declare.
3219 * coverage.c (tree_coverage_counter_addr): New function.
3220 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
3222 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
3223 (tree_gen_one_value_profiler): Likewise.
3224 (tree_gen_ic_profiler): Likewise.
3225 (tree_gen_average_profiler): Likewise.
3226 (tree_gen_ior_profiler): Likewise.
3228 2008-03-08 Richard Guenther <rguenther@suse.de>
3230 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
3231 (vn_binary_op_insert): Likewise.
3232 (vn_unary_op_lookup): Likewise.
3233 (vn_unary_op_insert): Likewise.
3234 (vn_nary_op_lookup): Declare.
3235 (vn_nary_op_insert): Likewise.
3236 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
3237 and binary hashes, use a single obstack for unary_op_pool
3239 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
3240 a single struct vn_nary_op_s. Store tree code length and
3241 a variable number of operands.
3242 (struct vn_reference_op_struct): Remove unused op2.
3243 (vn_reference_op_eq): Do not compare op2.
3244 (vn_reference_op_compute_hash): Do not compute hash of op2.
3245 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
3246 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
3247 with vn_nary_op_compute_hash.
3248 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
3249 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
3251 (vn_unary_op_insert, vn_binary_op_insert): Replace with
3253 (visit_unary_op): Call nary functions.
3254 (visit_binary_op): Likewise.
3255 (process_scc): Adjust for struct vn_tables_s changes.
3256 (allocate_vn_table): Likewise.
3257 (free_vn_table): Likewise.
3258 * tree-vn.c (vn_add): Call nary functions.
3259 (vn_lookup): Likewise.
3261 2008-03-08 Jakub Jelinek <jakub@redhat.com>
3264 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
3265 wdst back after sync_compare_and_swapqhi_internal.
3267 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
3270 * config/i386/i386-modes.def (V1DI): New vector mode.
3271 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
3272 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
3273 (MMXMODE248): Ditto.
3274 (MMXMODE): Add V1DI mode.
3275 (mmxvecsize): Change DI mode to V1DI mode.
3276 ("mov<mode>): Use MMXMODEI8 mode iterator.
3277 ("*mov<mode>_internal_rex64"): Ditto.
3278 ("*mov<mode>_internal"): Ditto.
3279 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
3280 ("mmx_sub<mode>3"): Ditto.
3281 ("mmx_adddi3"): Remove insn pattern.
3282 ("mmx_subdi3"): Ditto.
3283 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
3284 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
3285 ("mmx_ashl<mode>3"): Ditto.
3286 ("mmx_lshrdi3"): Remove insn pattern.
3287 ("mmx_ashldi3"): Ditto.
3288 * config/i386/i386.c (classify_argument): Handle V1DImode.
3289 (function_arg_advance_32): Ditto.
3290 (function_arg_32): Ditto.
3291 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
3292 mmx_addv1di3 insn pattern.
3293 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
3294 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
3295 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
3296 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
3297 Remove definitions of built-in functions.
3298 (V1DI_type_node): New node.
3299 (v1di_ftype_v1di_int): Ditto.
3300 (v1di_ftype_v1di_v1di): Ditto.
3301 (v2si_ftype_v2si_si): Ditto.
3302 (v4hi_ftype_v4hi_di): Remove node.
3303 (v2si_ftype_v2si_di): Ditto.
3304 (ix86_init_mmx_sse_builtins): Handle V1DImode.
3305 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
3306 Redefine builtins using def_builtin_const with *_ftype_*_int node.
3307 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
3308 Add new builtins using def_builtin_const.
3309 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
3310 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
3311 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
3312 * config/i386/mmintrin.h (__v1di): New typedef.
3313 (_mm_add_si64): Cast arguments to __v1di type.
3314 (_mm_sub_si64): Ditto.
3315 (_mm_sll_pi16): Cast __count to __v4hi type.
3316 (_mm_sll_pi32): Cast __count to __v2si type.
3317 (_mm_sll_si64): Cast arguments to __v1di type.
3318 (_mm_srl_pi16): Cast __count to __v4hi type.
3319 (_mm_srl_pi32): Cast __count to __v2si type.
3320 (_mm_srl_si64): Cast arguments to __v1di type.
3321 (_mm_sra_pi16): Cast __count to __v4hi type.
3322 (_mm_sra_pi32): Cast __count to __v2si type.
3323 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
3324 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
3325 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
3326 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
3327 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
3328 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
3329 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
3330 (_mm_srai_pi32): Use __builtin_ia32_psradi.
3331 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
3332 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
3333 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
3334 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
3336 2008-03-07 Joseph Myers <joseph@codesourcery.com>
3338 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
3340 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
3343 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
3344 reg+const addressing for Altivec modes. Don't generate reg+reg
3345 addressing for TFmode or TDmode quantities.
3347 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
3349 * c-common.c (vector_types_convertible_p): Call langhook
3350 instead of comptypes.
3352 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3355 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
3356 integral and scalar float variables which have a
3359 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
3361 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
3362 dwarf_register_span hook when emitting unwind information for
3363 register-to-memory saves.
3364 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
3365 (rs6000_frame_related): Remove call to spe_synthesize_frame.
3367 2008-03-06 Jakub Jelinek <jakub@redhat.com>
3369 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
3370 for the same VAR_DECL.
3372 2008-03-06 Tom Tromey <tromey@redhat.com>
3375 * doc/standards.texi (Standards): Don't mention treelang.
3376 * doc/invoke.texi (Overall Options): Don't mention treelang.
3377 * doc/install.texi (Prerequisites): Don't mention bison or
3379 (Configuration): Don't mention treelang.
3380 (Building): Likewise.
3381 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
3383 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
3385 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
3386 word-extractions out of a multi-word object.
3388 2008-03-06 Richard Guenther <rguenther@suse.de>
3390 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
3391 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
3392 result type and precision.
3393 * expr.c (get_inner_reference): Set unsignedp based on the result
3394 type of BIT_FIELD_REF.
3395 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
3396 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
3397 (try_instantiate_multiple_fields): Likewise. Use the correct type
3399 (sra_build_assignment): Likewise.
3400 (sra_build_elt_assignment): Likewise.
3401 (sra_explode_bitfield_assignment): Likewise.
3402 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
3403 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
3404 set BIT_FIELD_REF_UNSIGNED.
3405 (vectorizable_load): Likewise.
3407 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
3409 * cse.c (cse_extended_basic_block): Invalidate artificial defs
3412 2008-03-06 Richard Guenther <rguenther@suse.de>
3414 * alias.c (struct alias_set_entry): Move has_zero_child field
3415 to pack with alias_set.
3417 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
3419 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3422 2008-03-05 Ian Lance Taylor <iant@google.com>
3424 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
3426 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
3428 * fwprop.c (update_df): Support width and offset parameters of
3430 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
3431 global_conflicts): Change DF_REF_EXTRACT to either
3432 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3433 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3434 * df-scan.c (df_ref_record, df_defs_record,
3435 df_ref_create_structure, df_def_record_1, df_uses_record,
3436 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
3437 df_bb_refs_collect, df_entry_block_defs_collect,
3438 df_exit_block_uses_collect): Support new width and offset fields.
3439 (ref_extract_pool): New storage pool.
3440 (df_free_ref): New function.
3441 (df_reg_chain_unlink, df_free_collection_rec,
3442 df_sort_and_compress_refs): Call df_free_ref.
3443 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
3445 (df_ref_create_structure): Allocate df_ref_extract if offset and
3446 width fields are used.
3447 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
3448 (df_uses_record): Get offset and width from ZERO_EXTRACT
3450 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
3451 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3452 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3453 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
3454 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3455 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3456 (df_ref_extract): New structure.
3457 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
3458 (df_ref_create): Add width and offset parameters.
3460 2008-03-05 Richard Guenther <rguenther@suse.de>
3462 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3463 Use ranges_overlap_p.
3464 (offset_overlaps_with_access): Rename
3465 to ranges_overlap_p and move ...
3466 * tree-flow-inline.h (ranges_overlap_p): ... here.
3468 * tree.h (get_inner_reference, handled_component_p): Update
3471 * tree.h (record_component_aliases, get_alias_set,
3472 alias_sets_conflict_p, alias_sets_must_conflict_p,
3473 objects_must_conflict_p): Move declarations ...
3474 * alias.h (record_component_aliases, get_alias_set,
3475 alias_sets_conflict_p, alias_sets_must_conflict_p,
3476 objects_must_conflict_p): ... here.
3477 Include coretypes.h.
3478 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
3480 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
3482 * cfg.c: Include tree-flow.h.
3483 (remove_edge_raw): Call redirect_edge_var_map_clear.
3484 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
3485 * tree-flow-inline.h (redirect_edge_var_map_def): New.
3486 (redirect_edge_var_map_result): New.
3487 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
3488 PENDING_STMT use with redirect_edge_var_map_*.
3489 * tree-ssa.c (edge_var_maps): New definition.
3490 (redirect_edge_var_map_add): New.
3491 (redirect_edge_var_map_clear): New.
3492 (redirect_edge_var_map_dup): New.
3493 (redirect_edge_var_map_vector): New.
3494 (redirect_edge_var_map_destroy): New.
3495 (ssa_redirect_edge): Replace PENDING_STMT use with
3496 redirect_edge_var_map_*.
3497 (flush_pending_stmts): Same.
3498 (delete_tree_ssa): Destroy edge var map.
3499 * tree-flow.h (struct _edge_var_map): New.
3500 Define edge_var_map vector type.
3501 Declare redirect_edge_var_map_* prototypes.
3502 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
3503 * tree-cfg.c (reinstall_phi_args): Replace
3504 PENDING_STMT use with redirect_edge_var_map_*.
3506 2008-03-05 Richard Guenther <rguenther@suse.de>
3508 PR tree-optimization/35472
3509 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
3510 whose single use_stmt has a overlapping set of loaded and
3511 stored symbols as that use_stmt might be a noop assignment then.
3513 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3515 * gthr-rtems.h: Implement __gthread_mutex_destroy.
3517 2008-03-05 Richard Guenther <rguenther@suse.de>
3520 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
3521 should be constants.
3522 * tree-cfg.c (verify_expr): Verify it.
3523 * fold-const.c (fold_truthop): Remove code generating
3524 BIT_FIELD_REFs of structure bases.
3525 (fold_binary): Likewise.
3526 (fold_ternary): Position and size of BIT_FIELD_REFs are
3527 always host integers.
3528 (make_bit_field_ref): Remove.
3529 (optimize_bit_field_compare): Remove.
3530 (all_ones_mask_p): Remove.
3532 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
3535 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
3536 (split_block_and_df_analyze): New. Split basic block and rebuild
3538 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
3540 (split_pattern_seq): Likewise.
3541 (erase_matching_seqs): Likewise.
3542 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
3544 2008-03-04 Geoff Keating <geoffk@apple.com>
3546 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
3547 declaration and code.
3548 (tree_invalid_nonnegative_warnv_p): Likewise.
3550 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3552 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
3553 examples. Truncate option-names then causing overfull hbox.
3555 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3558 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
3560 * configure: Rebuilt.
3562 2008-03-04 Rafael Espindola <espindola@google.com>
3564 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
3565 (tree_unary_nonnegative_warnv_p): New.
3566 (tree_binary_nonnegative_warnv_p): New.
3567 (tree_single_nonnegative_warnv_p): New.
3568 (tree_invalid_nonnegative_warnv_p): New.
3569 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
3571 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3574 * opts.c (handle_option): Postpone 'unknown option' errors only for
3577 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
3580 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
3583 2008-03-04 Rafael Espindola <espindola@google.com>
3585 * fold-const.c (tree_unary_nonzero_warnv_p): New.
3586 (tree_binary_nonzero_warnv_p): New.
3587 (tree_single_nonzero_warnv_p): New.
3588 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
3590 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
3593 * fold-const.c (fold_cond_expr_with_comparison): Prevent
3594 transformations for modes that have signed zeros.
3595 * ifcvt.c (noce_try_abs): Ditto.
3597 2008-03-04 Joseph Myers <joseph@codesourcery.com>
3599 * config/i386/i386.c (override_options): Force
3600 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
3602 2008-03-04 Jan Hubicka <jh@suse.cz>
3605 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
3608 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
3610 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
3611 label to probe the stack.
3613 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
3615 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
3616 (__gthr_win32_mutex_destroy): Declare.
3617 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
3618 __gthr_win32_mutex_destroy.
3619 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
3621 2008-03-03 Jan Hubicka <jh@suse.cz>
3624 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
3625 aggressive on inlining cold calls.
3627 2008-03-03 Richard Guenther <rguenther@suse.de>
3629 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
3630 struct copies into the expression table.
3631 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
3632 (try_to_simplify): Likewise.
3633 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
3634 integral and pointer arguments which do not change the
3635 precision to NOP_EXPRs.
3636 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
3637 VIEW_CONVERT_EXPR case.
3639 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
3641 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
3642 defined in a loop at depth 0 is invariant.
3643 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
3644 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
3645 be called at loop depth 0.
3647 2008-03-02 Jakub Jelinek <jakub@redhat.com>
3650 * gcc.c (process_command): Update copyright notice dates.
3651 * gcov.c (print_version): Likewise.
3652 * gcov-dump.c (print_version): Likewise.
3653 * mips-tfile.c (main): Likewise.
3654 * mips-tdump.c (main): Likewise.
3656 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3659 * c-common.c (flag_permissive): Delete.
3660 (constant_expression_warnings): Check flags first.
3661 (constant_expression_error): New.
3662 * c-common.h (flag_permissive): Delete.
3663 (constant_expression_error): Declare.
3664 * flags.h (flag_permissive): Declare. Update description.
3665 * diagnostic.c (pedwarn): Update.
3667 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
3668 (permissive_error_kind): New.
3669 * toplev.c (flag_permissive): Define. Update description.
3670 * toplev.h (permissive_error_kind): Declare.
3671 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
3672 (pedwarn_c90): Use pedantic_warning_kind.
3673 * c-opts.c (c_common_post_options): flag_permissive does not affect
3674 flag_pedantic_errors.
3676 2008-03-02 Joseph Myers <joseph@codesourcery.com>
3678 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
3679 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
3680 __absvsi2, __absvDI2): Use unsigned arithmetic.
3682 2008-03-02 Andi Kleen <ak@suse.de>
3683 Richard Guenther <rguenther@suse.de>
3685 * struct-equiv.c: Remove file.
3686 * cfg_cleanup.c (condjump_equiv_p): Remove.
3687 * Makefile.in (OBJS-common): Remove struct-equiv.o.
3688 (struct-equiv.o): Remove rule.
3689 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
3690 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
3691 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
3693 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3695 * ifcvt.c (noce_process_if_block): Try to handle only the then
3696 block if the else block exists but isn't suitable.
3698 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
3701 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
3702 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
3703 regression from previous patch.
3705 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
3708 * gthr.h: Add __gthread_mutex_destroy as a function that must be
3710 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
3711 * gthr-single.h (__gthread_mutex_destroy): Likewise.
3712 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
3713 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
3714 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
3715 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
3716 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
3717 (__gthread_mutex_destroy_function): Rename to
3718 __gthread_mutex_destroy.
3719 * gthr-dce.h (__gthread_mutex_destroy): Call
3720 pthread_mutex_destroy.
3721 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
3722 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
3723 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
3725 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3727 * df-scan.c (df_ref_chain_change_bb): Simplify.
3728 (df_insn_change_bb): Add new_bb argument. Simplify. Call
3729 set_block_for_insn if there's any change.
3730 * df.h ((df_insn_change_bb): Fix prototype.
3731 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
3732 df_insn_change_bb, don't call set_block_for_insn.
3733 * emit-rtl.c (reorder_insns): Likewise.
3734 * haifa-sched.c (move_insn): Likewise.
3736 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3738 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
3740 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3742 * tree-flow-inline.h (next_readonly_imm_use): Return
3743 NULL_USE_OPERAND_P after the end.
3745 2008-03-01 Richard Guenther <rguenther@suse.de>
3747 PR tree-optimization/35411
3748 * tree-sra.c (sra_build_assignment): Split conversion to
3749 final type to a separate statement if we are not assigning
3752 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3754 * fold-const.c (fold_convertible_p): Correct the logic to follow
3755 that in fold_convert().
3757 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
3760 * tree-inline.c (build_duplicate_type): When we make a
3761 duplicate type, make it unique in the canonical types system.
3763 2008-02-29 Tom Tromey <tromey@redhat.com>
3765 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
3766 input_file_stack_history, input_file_stack_restored): Remove.
3767 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3768 * input.h (struct file_stack): Remove.
3769 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3770 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
3772 * diagnostic.h (struct diagnostic_context) <last_module>: Change
3774 (diagnostic_last_module_changed): Add 'map' argument.
3775 (diagnostic_set_last_function): Likewise.
3776 * diagnostic.c (undiagnostic_report_current_module): Iterate using
3777 line map, not input_file_stack.
3778 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
3780 2008-02-29 Paul Brook <paul@codesourcery.com>
3782 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
3784 2008-02-29 Paul Brook <paul@codesourcery.com>
3786 * config/arm/ieee754-df.S (muldf3): Use RET macros.
3788 2008-02-29 Richard Guenther <rguenther@suse.de>
3790 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
3792 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
3793 value for comparing for a store match.
3794 (simplify_unary_expression): Do nothing for SSA_NAMEs.
3795 (try_to_simplify): Do not do a full-blown reference lookup.
3797 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
3799 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
3800 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3802 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
3804 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
3806 * tree-loop-linear.c (try_interchange_loops): Compare memory access
3807 strides against cache sizes.
3809 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
3811 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
3814 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
3816 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
3817 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
3818 is smaller than the original promoted value.
3819 (simplify_subreg): If OP is a SUBREG, try to preserve its
3820 SUBREG_PROMOTED_VAR_P information.
3822 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3824 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
3825 (VN_INFO_GET): Allocate new objects on the obstack.
3826 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
3827 for rpo_numbers_temp, for consistency.
3828 (free_scc_vn): Free the obstack.
3830 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
3832 * doc/invoke.texi: Document -ftree-loop-distribution.
3833 * tree-loop-distribution.c: New.
3834 * tree-pass.h (pass_loop_distribution): New.
3835 * graphds.h (struct graph): Add htab_t indices.
3836 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
3837 * tree-vectorizer.c (rename_variables_in_loop): Extern.
3838 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
3839 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
3840 * tree-data-ref.c (debug_data_dependence_relations): New.
3841 (dump_data_dependence_relation): Also print data references.
3842 (free_data_ref): Extern.
3843 (same_access_functions): Moved...
3844 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
3845 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3846 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
3847 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
3848 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
3849 (stmts_from_loop): Skip LABEL_EXPR.
3850 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
3852 (build_rdg): Initialize rdg->indices htab.
3853 (free_rdg, stores_from_loop, ref_base_address,
3854 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
3855 have_similar_memory_accesses_1, ref_base_address_1,
3856 remove_similar_memory_refs): New.
3857 * tree-data-ref.h: Depend on tree-chrec.h.
3858 (debug_data_dependence_relations, free_data_ref): Declared.
3859 (same_access_functions): ... here.
3860 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
3862 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
3863 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
3864 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
3865 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3866 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
3867 rdg_vertex_for_stmt): Declared.
3868 (struct rdg_edge): Add level.
3870 (free_rdg, stores_from_loop, remove_similar_memory_refs,
3871 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
3873 (rdg_has_similar_memory_accesses): New.
3874 * tree-vect-analyze.c: Remove unused static decls.
3875 * lambda.h (dependence_level): New.
3876 * common.opt (ftree-loop-distribution): New.
3877 * tree-flow.h (mark_virtual_ops_in_bb,
3878 slpeel_tree_duplicate_loop_to_edge_cfg,
3879 rename_variables_in_loop): Declared.
3880 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
3881 (OBJS-common): Add tree-loop-distribution.o.
3882 (tree-loop-distribution.o): New rule.
3883 * tree-cfg.c (mark_virtual_ops_in_bb): New.
3884 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
3885 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
3887 2008-02-28 Joseph Myers <joseph@codesourcery.com>
3890 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
3891 other than structures and unions.
3893 2008-02-28 Richard Guenther <rguenther@suse.de>
3896 2008-02-26 Richard Guenther <rguenther@suse.de>
3898 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3899 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3900 (lookup_decl_from_uid): Declare.
3901 (remove_decl_from_map): Likewise.
3902 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3903 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3904 (decl_for_uid_map): New global hashtable mapping DECL_UID
3906 (init_ttree): Allocate it.
3907 (insert_decl_to_uid_decl_map): New helper function.
3908 (make_node_stat): Insert new decls into the map.
3909 (copy_node_stat): Likewise.
3910 (lookup_decl_from_uid): New function.
3911 (remove_decl_from_map): Likewise.
3912 (print_decl_for_uid_map_statistics): New helper.
3913 (dump_tree_statistics): Call it.
3915 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3916 (referenced_var_iterator): Adjust.
3917 (FOR_EACH_REFERENCED_VAR): Adjust.
3918 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3919 (num_referenced_vars): Adjust.
3920 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3921 (first_referenced_var): Remove.
3922 (end_referenced_vars_p): Likewise.
3923 (next_referenced_var): Likewise.
3924 (referenced_var_iterator_set): New helper function.
3925 * tree-dfa.c (referenced_var_lookup): Adjust.
3926 (referenced_var_check_and_insert): Likewise.
3927 (remove_referenced_var): Likewise.
3928 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3929 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3930 (verify_call_clobbering): Likewise.
3931 (verify_memory_partitions): Likewise.
3932 (init_tree_ssa): Allocate bitmap instead of hashtable for
3934 (delete_tree_ssa): Adjust.
3935 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3936 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3937 (compute_tag_properties): Likewise.
3938 (set_initial_properties): Likewise.
3939 (find_partition_for): Likewise.
3940 (update_reference_counts): Likewise.
3941 (dump_may_aliases_for): Likewise.
3942 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3943 (add_call_clobber_ops): Likewise.
3944 (add_call_read_ops): Likewise.
3945 (get_asm_expr_operands): Likewise.
3946 * tree-into-ssa.c (dump_decl_set): Likewise.
3947 (update_ssa): Likewise.
3948 * tree-sra.c (scan_function): Likewise.
3949 (decide_instantiations): Likewise.
3950 (scalarize_parms): Likewise.
3951 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3952 (dsa_named_for): Likewise.
3953 * tree-ssa-structalias.c (update_alias_info): Likewise.
3954 (merge_smts_into): Likewise.
3956 2008-02-27 David Daney <ddaney@avtrex.com>
3959 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
3960 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
3961 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
3962 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
3963 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
3965 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
3968 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
3969 (BUILT_IN_NEXTTOWARD): Remove.
3970 (BUILT_IN_NEXTTOWARDF): Ditto.
3971 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
3972 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
3974 2008-02-27 Tom Tromey <tromey@redhat.com>
3976 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
3977 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
3979 2008-02-27 Jan Beulich <jbeulich@novell.com>
3981 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
3982 update the respective field on newdecl.
3984 2008-02-27 Revital Eres <eres@il.ibm.com>
3986 PR rtl-optimization/34999
3987 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
3988 crossing edges that ends with a call insn.
3989 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
3990 call insn and clear the EDGE_CROSSING flag of the crossing edge
3991 when fixing fallthru edges.
3993 2008-02-27 Richard Guenther <rguenther@suse.de>
3996 * fold-const.c (fold_unary): Return the correct argument,
3997 converted to the result type.
3999 2008-02-27 Richard Guenther <rguenther@suse.de>
4002 * expr.c (expand_expr_real_1): Assert on rotates that operate
4004 * fold-const.c (fold_binary): Use the types precision, not the
4005 bitsize of the mode if folding rotate expressions. Build rotates
4006 only for full modes.
4008 2008-02-27 Jakub Jelinek <jakub@redhat.com>
4010 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
4012 * c-pragma.c (pragma_ns_name): New typedef.
4013 (registered_pp_pragmas): New variable.
4014 (c_pp_lookup_pragma): New function.
4015 (c_register_pragma_1): If flag_preprocess_only, do nothing
4016 for non-expanded pragmas, for expanded ones push pragma's
4017 namespace and name into registered_pp_pragmas vector.
4018 (c_invoke_pragma_handler): Register OpenMP pragmas even when
4019 flag_preprocess_only, don't register GCC pch_preprocess
4020 pragma if flag_preprocess_only.
4021 * c-opts.c (c_common_init): Call init_pragma even if
4022 flag_preprocess_only.
4023 * c-pragma.c (c_pp_lookup_pragma): New prototype.
4024 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
4025 cpp_register_pragma if flag_preprocess_only.
4027 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4030 * c-parser.c (c_parser_translation_unit): Warn for empty
4031 translation unit, not empty source file.
4033 2008-02-26 Paul Brook <paul@codesourcery.com>
4035 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
4036 operand for Thumb-2.
4037 * config/arm/arm.h (reg_class): Add CORE_REGS.
4038 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
4039 (BASE_REG_CLASS): Use CORE_REGS.
4040 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
4041 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
4042 (REGNO_OK_FOR_INDEX_P): Exclude SP.
4043 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
4044 ARM_REGNO_OK_FOR_INDEX_P.
4045 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
4046 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
4047 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
4048 (ldm/stm peepholes): Ditto.
4049 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
4050 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
4051 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
4052 * config/arm/constraints.md: Enable "k" constraint on ARM.
4054 2008-02-27 Ben Elliston <bje@au.ibm.com>
4056 * config/rs6000/rs6000.c: Annotate cache line size field in all
4057 instances of struct processor_costs.
4059 2008-02-26 David Edelsohn <edelsohn@gnu.org>
4061 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
4062 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
4063 jump_bypass): New counters.
4064 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
4065 * dce.c (gate_ud_dce): Same.
4066 (gate_fast_dce): Same.
4067 * dse.c (gate_dse1): New function.
4068 (gate_dse2): New function.
4069 (gate_dse): Merge results of new gate functions.
4070 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
4071 (gate_handle_jump_bypass): Add dbg_cnt.
4072 (gate_handle_gcse): Add dbg_cnt.
4073 * ifcvt.c (gate_handle_if_conversion): Same.
4074 (gate_handle_if_after_combine): Same.
4075 (gate_handle_if_after_reload): Same.
4076 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
4078 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
4080 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
4082 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
4084 2008-02-26 Jason Merrill <jason@redhat.com>
4087 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
4088 alone if it's the naming decl for the type's main variant.
4090 2008-02-26 Tom Tromey <tromey@redhat.com>
4092 * system.h (USE_MAPPED_LOCATION): Poison.
4093 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
4094 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
4095 (make_goto_expr_edges): Likewise.
4096 (remove_bb): Likewise.
4097 (execute_warn_function_return): Likewise.
4098 * basic-block.h (struct edge_def) <goto_locus>: Change type to
4100 * c-common.c (fname_decl): Remove old location code.
4101 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
4103 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
4105 (ASM_INPUT_SOURCE_LOCATION): Likewise.
4106 (gen_rtx_ASM_INPUT): Likewise.
4107 (gen_rtx_ASM_INPUT_loc): Likewise.
4108 (get_rtx_asm_OPERANDS): Remove.
4109 * cfglayout.c (insn_locators_alloc): Remove old location code.
4110 (set_curr_insn_source_location): Likewise.
4111 (curr_insn_locator): Likewise.
4112 * print-tree.c (print_node): Remove old location code.
4113 * tree-mudflap.c (mf_varname_tree): Remove old location code.
4114 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
4115 * cfgexpand.c (expand_gimple_cond_expr): Don't use
4116 location_from_locus.
4117 (construct_exit_block): Remove old location code.
4118 * emit-rtl.c (force_next_line_note): Remove old location code.
4119 * profile.c (branch_prob): Remove old location code.
4120 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
4121 LOC_LINE): Remove old-location variants.
4122 * langhooks.c (lhd_print_error_function): Remove old location
4124 * configure, config.in: Rebuilt.
4125 * configure.ac (--enable-mapped-location): Remove.
4126 * c-decl.c (c_init_decl_processing): Remove old location code.
4127 (finish_function): Likewise.
4128 * recog.c (decode_asm_operands): Remove old location code.
4129 * c-pch.c (c_common_read_pch): Remove old location code.
4130 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
4132 * gimple-low.c (lower_function_body): Remove old location code.
4133 * toplev.c (unknown_location): Remove.
4134 (push_srcloc): Remove old-location variant.
4135 (process_options): Remove old location code.
4136 (lang_dependent_init): Likewise.
4137 * input.h (UNKNOWN_LOCATION): Move definition.
4138 (location_t): Undeprecate.
4139 (source_locus): Remove.
4140 (location_from_locus): Remove.
4141 (struct location_s): Remove.
4142 Remove all old-location code.
4143 (input_line, input_filename): Remove.
4144 * final.c (final_scan_insn): Remove old location code.
4145 * diagnostic.c (diagnostic_build_prefix): Remove
4146 USE_MAPPED_LOCATION test.
4147 * tree.h (gimple_stmt) <locus>: Now a location_t.
4148 (tree_exp) <locus>: Likewise.
4149 (DECL_IS_BUILTIN): Remove old-location variant.
4150 (annotate_with_file_line, annotate_with_locus): Likewise.
4151 (expr_locus, set_expr_locus): Update.
4152 * tree.c (build1_stat): Remove old location code.
4153 (last_annotated_node): Remove.
4154 (annotate_with_file_line): Remove old-location variant.
4155 (annotate_with_locus): Likewise.
4156 (expr_location): Remove old location code.
4157 (set_expr_location): Likewise.
4158 (expr_has_location): Likewise.
4159 (expr_locus): Likewise.
4160 (set_expr_locus): Likewise.
4161 (expr_filename): Don't use location_from_locus.
4162 (expr_lineno): Likewise.
4163 * rtl-error.c (location_for_asm): Remove old location code.
4164 * c-lex.c (cb_line_change): Remove old location code.
4165 (fe_file_change): Likewise.
4166 (cb_def_pragma): Likewise.
4167 (c_lex_with_flags): Likewise.
4168 * gengtype.c (do_typedef): Don't special-case location types.
4169 (define_location_structures): Remove.
4170 (main): Don't call define_location_structures.
4171 * tree-pretty-print.c (dump_implicit_edges): Remove old location
4174 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4177 * builtins.def (BUILT_IN_STDARG_START): Remove.
4178 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
4179 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
4180 * tree-inline.c (inline_forbidden_p_1): Likewise.
4182 2008-02-26 Richard Guenther <rguenther@suse.de>
4184 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4185 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4186 (lookup_decl_from_uid): Declare.
4187 (remove_decl_from_map): Likewise.
4188 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4189 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4190 (decl_for_uid_map): New global hashtable mapping DECL_UID
4192 (init_ttree): Allocate it.
4193 (insert_decl_to_uid_decl_map): New helper function.
4194 (make_node_stat): Insert new decls into the map.
4195 (copy_node_stat): Likewise.
4196 (lookup_decl_from_uid): New function.
4197 (remove_decl_from_map): Likewise.
4198 (print_decl_for_uid_map_statistics): New helper.
4199 (dump_tree_statistics): Call it.
4201 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4202 (referenced_var_iterator): Adjust.
4203 (FOR_EACH_REFERENCED_VAR): Adjust.
4204 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4205 (num_referenced_vars): Adjust.
4206 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4207 (first_referenced_var): Remove.
4208 (end_referenced_vars_p): Likewise.
4209 (next_referenced_var): Likewise.
4210 (referenced_var_iterator_set): New helper function.
4211 * tree-dfa.c (referenced_var_lookup): Adjust.
4212 (referenced_var_check_and_insert): Likewise.
4213 (remove_referenced_var): Likewise.
4214 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4215 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4216 (verify_call_clobbering): Likewise.
4217 (verify_memory_partitions): Likewise.
4218 (init_tree_ssa): Allocate bitmap instead of hashtable for
4220 (delete_tree_ssa): Adjust.
4221 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4222 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4223 (compute_tag_properties): Likewise.
4224 (set_initial_properties): Likewise.
4225 (find_partition_for): Likewise.
4226 (update_reference_counts): Likewise.
4227 (dump_may_aliases_for): Likewise.
4228 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4229 (add_call_clobber_ops): Likewise.
4230 (add_call_read_ops): Likewise.
4231 (get_asm_expr_operands): Likewise.
4232 * tree-into-ssa.c (dump_decl_set): Likewise.
4233 (update_ssa): Likewise.
4234 * tree-sra.c (scan_function): Likewise.
4235 (decide_instantiations): Likewise.
4236 (scalarize_parms): Likewise.
4237 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4238 (dsa_named_for): Likewise.
4239 * tree-ssa-structalias.c (update_alias_info): Likewise.
4240 (merge_smts_into): Likewise.
4242 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4245 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
4246 * c-opts.c (c_common_handle_option): Wall enables
4247 Wvolatile-register-var.
4248 * common.opt: Move Wvolatile-register-var to...
4251 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4253 * common.opt (Wlarger-than=): New.
4254 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
4256 * opts.c (common_handle_option): Handle -Wlarger-than=.
4257 * optc-gen.awk: Likewise.
4258 * opth-gen.awk: Likewise.
4259 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
4260 * tree-optimize.c (tree_rest_of_compilation): Likewise.
4262 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4264 * c-common.c (match_case_to_enum_1): Add appropriate
4265 OPT_W* parameter to warning.
4266 (c_do_switch_warnings): Likewise.
4267 * c-typeck.c (warning_init): Add one more parameter following
4269 (push_init_level): Update call to warning_init.
4270 (pop_init_level): Likewise.
4271 (add_pending_init): Likewise.
4272 (output_init_element: Likewise.
4274 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4277 * toplev.c (toplev_main): If there are warnings or error, print
4278 errors for ignored options.
4279 * opts.c (ignored_options): New static variable.
4280 (postpone_unknown_option_error): New.
4281 (print_ignored_options): New.
4282 (handle_option): Postpone errors for unknown -Wno-* options.
4283 * opts.h (print_ignored_options): Declare.
4285 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
4287 * config/mips/mips.md (loadgp_blockage, blockage): Change type
4290 2008-02-25 Richard Guenther <rguenther@suse.de>
4293 2008-02-25 Richard Guenther <rguenther@suse.de>
4295 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4296 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4297 (lookup_decl_from_uid): Declare.
4298 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4299 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4300 (decl_for_uid_map): New global hashtable mapping DECL_UID
4302 (init_ttree): Allocate it.
4303 (insert_decl_to_uid_decl_map): New helper function.
4304 (make_node_stat): Insert new decls into the map.
4305 (copy_node_stat): Likewise.
4306 (lookup_decl_from_uid): New function.
4307 (print_decl_for_uid_map_statistics): New helper.
4308 (dump_tree_statistics): Call it.
4310 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4311 (referenced_var_iterator): Adjust.
4312 (FOR_EACH_REFERENCED_VAR): Adjust.
4313 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4314 (num_referenced_vars): Adjust.
4315 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4316 (first_referenced_var): Remove.
4317 (end_referenced_vars_p): Likewise.
4318 (next_referenced_var): Likewise.
4319 (referenced_var_iterator_set): New helper function.
4320 * tree-dfa.c (referenced_var_lookup): Adjust.
4321 (referenced_var_check_and_insert): Likewise.
4322 (remove_referenced_var): Likewise.
4323 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4324 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4325 (verify_call_clobbering): Likewise.
4326 (verify_memory_partitions): Likewise.
4327 (init_tree_ssa): Allocate bitmap instead of hashtable for
4329 (delete_tree_ssa): Adjust.
4330 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4331 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4332 (compute_tag_properties): Likewise.
4333 (set_initial_properties): Likewise.
4334 (find_partition_for): Likewise.
4335 (update_reference_counts): Likewise.
4336 (dump_may_aliases_for): Likewise.
4337 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4338 (add_call_clobber_ops): Likewise.
4339 (add_call_read_ops): Likewise.
4340 (get_asm_expr_operands): Likewise.
4341 * tree-into-ssa.c (dump_decl_set): Likewise.
4342 (update_ssa): Likewise.
4343 * tree-sra.c (scan_function): Likewise.
4344 (decide_instantiations): Likewise.
4345 (scalarize_parms): Likewise.
4346 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4347 (dsa_named_for): Likewise.
4348 * tree-ssa-structalias.c (update_alias_info): Likewise.
4349 (merge_smts_into): Likewise.
4351 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
4354 * doc/invoke.texi (-fcx-limited-range): Document new option.
4355 * toplev.c (process_options): Handle -fcx-fortran-rules.
4356 * common.opt: Add documentation for -fcx-fortran-rules.
4358 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
4361 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
4362 actual behaviour and C99.
4364 2008-02-26 Ben Elliston <bje@au.ibm.com>
4366 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
4367 (ASM_CPU_POWER6_SPEC): Likewise.
4368 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
4369 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
4370 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
4372 2008-02-25 Richard Guenther <rguenther@suse.de>
4374 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4375 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4376 (lookup_decl_from_uid): Declare.
4377 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4378 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4379 (decl_for_uid_map): New global hashtable mapping DECL_UID
4381 (init_ttree): Allocate it.
4382 (insert_decl_to_uid_decl_map): New helper function.
4383 (make_node_stat): Insert new decls into the map.
4384 (copy_node_stat): Likewise.
4385 (lookup_decl_from_uid): New function.
4386 (print_decl_for_uid_map_statistics): New helper.
4387 (dump_tree_statistics): Call it.
4389 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4390 (referenced_var_iterator): Adjust.
4391 (FOR_EACH_REFERENCED_VAR): Adjust.
4392 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4393 (num_referenced_vars): Adjust.
4394 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4395 (first_referenced_var): Remove.
4396 (end_referenced_vars_p): Likewise.
4397 (next_referenced_var): Likewise.
4398 (referenced_var_iterator_set): New helper function.
4399 * tree-dfa.c (referenced_var_lookup): Adjust.
4400 (referenced_var_check_and_insert): Likewise.
4401 (remove_referenced_var): Likewise.
4402 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4403 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4404 (verify_call_clobbering): Likewise.
4405 (verify_memory_partitions): Likewise.
4406 (init_tree_ssa): Allocate bitmap instead of hashtable for
4408 (delete_tree_ssa): Adjust.
4409 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4410 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4411 (compute_tag_properties): Likewise.
4412 (set_initial_properties): Likewise.
4413 (find_partition_for): Likewise.
4414 (update_reference_counts): Likewise.
4415 (dump_may_aliases_for): Likewise.
4416 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4417 (add_call_clobber_ops): Likewise.
4418 (add_call_read_ops): Likewise.
4419 (get_asm_expr_operands): Likewise.
4420 * tree-into-ssa.c (dump_decl_set): Likewise.
4421 (update_ssa): Likewise.
4422 * tree-sra.c (scan_function): Likewise.
4423 (decide_instantiations): Likewise.
4424 (scalarize_parms): Likewise.
4425 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4426 (dsa_named_for): Likewise.
4427 * tree-ssa-structalias.c (update_alias_info): Likewise.
4428 (merge_smts_into): Likewise.
4430 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
4433 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
4434 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
4435 * alias.h (nonoverlapping_memrefs_p): Likewise.
4437 2008-02-25 Jan Beulich <jbeulich@novell.com>
4439 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
4440 * config/i386/netware-libgcc.exp: Add __bswap?i2,
4441 __emultls_get_address, __emultls_register_common,
4442 __floatundi?f, and _Unwind_GetIPInfo.
4443 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
4444 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
4445 (gen_regparm_prefix): Likewise.
4446 (i386_nlm_encode_section_info): Sync with
4447 config/i386/winnt.c:i386_pe_encode_section_info().
4448 (i386_nlm_maybe_mangle_decl_assembler_name): New.
4449 i386_nlm_mangle_decl_assembler_name): New.
4450 (netware_override_options): New.
4451 * config/i386/netware.h (netware_override_options): Declare.
4452 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
4453 (i386_nlm_mangle_decl_assembler_name): Declare.
4454 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
4456 2008-02-25 Ben Elliston <bje@au.ibm.com>
4459 * c-decl.c (grokdeclarator): Remove unused local variables
4460 `typedef_type' and `type_as_written'.
4462 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
4463 unused local variable `has_hot_blocks'.
4464 (fix_crossing_conditional_branches): Remove unused local variable
4467 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
4470 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
4471 using DEF_C99_BUILTIN.
4472 (BUILT_IN_NANF): Ditto.
4473 (BUILT_IN_NANL): Ditto.
4475 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
4476 Revital Eres <eres@il.ibm.com>
4478 * modulo-sched.c (calculate_must_precede_follow): Address TODO
4479 regarding the order of two dependent insns in the same row.
4481 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
4483 * stor-layout.c (layout_decl): Do not bump the alignment of a
4484 bit-field to more than byte alignment if it is packed.
4486 2008-02-24 David Edelsohn <edelsohn@gnu.org>
4488 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
4491 2008-02-24 Diego Novillo <dnovillo@google.com>
4493 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
4496 * tree-vrp.c (vrp_evaluate_conditional): With
4497 -Wtype-limits, emit a warning when comparing against a
4498 constant outside the natural range of OP0's type.
4499 * c.opt (Wtype-limits): Move ...
4500 * common.opt (Wtype-limits): ... here.
4502 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
4504 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
4505 * config/rs6000/e300c2c3.md: New file.
4506 * config/rs6000/rs6000.c (processor_costs): Add new costs for
4508 (rs6000_override_options): Add e300c2 and e300c3 cases to
4509 processor_target_table. Do not allow usage of Altivec or Spe
4510 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
4511 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
4512 * config/rs6000/rs6000.h (processor_type): Add
4513 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
4514 (ASM_CPU_SPEC): Add e300c2 and e300c3.
4515 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
4516 and ppce300c3. Include e300c2c3.md.
4518 2008-02-23 David Edelsohn <edelsohn@gnu.org>
4520 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
4521 instead of TARGET_STRICT_ALIGN.
4523 2008-02-23 Joseph Myers <joseph@codesourcery.com>
4525 * explow.c (memory_address): Assert that the generated address is
4528 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4531 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
4532 * config/darwin-ppc-ldouble-patch.def: New file.
4533 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
4534 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
4535 SUBTARGET_INIT_BUILTINS if defined.
4536 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
4539 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
4542 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
4543 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
4545 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
4548 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
4549 file" warning condtional on -Winvalid-PCH.
4551 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
4553 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
4555 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
4559 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
4560 prevent reload from using MMX registers.
4561 (*mov<mode>_internal): Ditto.
4562 (*movv2sf_internal_rex64): Ditto.
4563 (*movv2sf_internal): Ditto.
4565 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4567 PR documentation/31569
4568 * doc/install.texi2html: Use makeinfo --no-number-sections.
4570 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4572 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
4573 ensure that we can address an entire entity > 8 bytes. Don't
4574 generate reg+reg addressing for such data.
4576 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4578 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
4579 strings when optimizing for size, unless the target cares about
4582 2008-02-22 Tom Tromey <tromey@redhat.com>
4584 * regclass.c (current_pass): Remove declaration.
4586 2008-02-22 Anatoly Sokolov <aesok@post.ru>
4588 * config/avr/libgcc.S (__RAMPZ__): Define.
4589 (__do_copy_data): Add for devices with 128KB code memory.
4591 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4593 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4595 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
4597 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
4599 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
4602 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4605 * c-typeck.c (build_binary_op): Warn about floating point
4606 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
4608 2008-02-21 Janis Johnson <janis187@us.ibm.com>
4611 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
4612 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
4614 (rs6000_override_options): Set altivec_abi as default, not override,
4615 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
4616 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
4617 is used; use new member spe_abi.
4618 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
4619 spe_abi and altivec_abi.
4621 2008-02-22 Tomas Bily <tbily@suse.cz>
4623 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
4625 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4628 * config.build (build_file_translate): Set to `CMD //c' only if
4630 * Makefile.in (build_file_translate): Improve comment.
4632 2008-02-21 Jan Hubicka <jh@suse.cz>
4634 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
4635 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
4636 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
4638 2008-02-21 Michael Matz <matz@suse.de>
4641 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
4643 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
4645 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
4646 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
4648 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
4649 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
4650 SSE_VEC_FLOAT_MODE_P as insn constraint.
4651 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
4652 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
4653 sse4a_movntdf using MODEF mode iterator.
4654 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
4655 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
4656 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
4657 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
4658 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
4659 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
4660 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
4662 2008-02-21 Richard Guenther <rguenther@suse.de>
4664 * tree.def (PAREN_EXPR): New tree code.
4665 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
4667 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
4668 * expr.c (expand_expr_real_1): Likewise.
4669 * tree-inline.c (estimate_num_insns_1): Likewise.
4670 * tree-complex.c (expand_complex_move): Likewise.
4671 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
4674 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
4677 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
4679 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
4682 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
4684 * config/sh/sh.c (find_barrier): Don't go past
4685 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
4687 2008-02-20 DJ Delorie <dj@redhat.com>
4689 * config/h8300/h8300.md (insv): Force source operand to be a register.
4691 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
4692 as a jump, not as a plain insn.
4694 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
4696 * doc/invoke.texi (Warning Options): Add new option
4697 -Wframe-larger-than=.
4698 (-Wframe-larger-than): Document.
4700 * flags.h (warn_frame_larger_than, frame_larger_than_size):
4701 Add declarations for new option variables.
4703 * final.c (final_start_function): Check the frame size
4704 before emission and issue a Wframe-larger-than warning.
4706 * opts.c (warn_frame_larger_than, frame_larger_than_size):
4707 Add definitions for new option variables.
4708 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
4710 * common.opt (Wframe-larger-than=): New option.
4712 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
4714 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
4715 (<sse>_div<mode>3): Ditto.
4716 (<sse>_vmdiv<mode>3): Ditto.
4717 (<sse>_vmsqrt<mode>2): Ditto.
4718 (*smax<mode>3): Ditto.
4719 (sse5_frcz<mode>2): Ditto.
4720 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
4723 2008-02-20 Richard Guenther <rguenther@suse.de>
4726 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
4727 be happy with INTEGRAL_TYPE_P.
4729 2008-02-20 Richard Guenther <rguenther@suse.de>
4731 * fold-const.c (split_tree): Associate floatig-point expressions
4732 if flag_associative_math is set.
4734 2008-02-20 Richard Guenther <rguenther@suse.de>
4736 * tree.h (fold_real_zero_addition_p): Declare.
4737 * fold-const.c (fold_real_zero_addition_p): Export.
4738 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
4739 floating-point operations with zero and one.
4741 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
4743 * doc/install.texi: Correct references to CFLAGS, replacing them
4744 with BOOT_CFLAGS. Document flags used during bootstrap for
4747 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
4749 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
4750 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
4751 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
4753 (smin<mode>3): Ditto from similar patterns.
4754 (smax<mode>3): Ditto.
4755 (*ieee_smin<mode>3): Ditto.
4756 (*ieee_smax<mode>3): Ditto.
4757 * config/i386/sse.md (sse): New mode attribute.
4758 (mov<mode>): Macroize expander from movv4sf and movv2df using
4759 SSEMODEF2P mode iterator.
4760 (<sse>_movnt<mode>): Ditto from similar patterns. Use
4761 SSE_VEC_FLOAT_MODE_P as insn constraint.
4762 (storent<mode>): Ditto.
4763 (storent<mode>): Macroize expander from storentsf and storentdf using
4764 MODEF mode iterator.
4765 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
4766 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
4767 (abs<mode>2): Ditto from similar patterns.
4768 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
4769 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
4770 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
4771 (<sse>_vmsqrt<mode>2): Ditto.
4772 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
4773 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
4774 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
4775 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
4776 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
4777 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
4778 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
4780 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
4781 iterator and SSE_FLOAT_MODE_P as insn constraint.
4782 (<sse>_ucomi): Ditto from similar patterns.
4783 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
4784 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
4785 SSE_VEC_FLOAT_MODE_P as insn constraint.
4786 (vcond<mode>): Ditto from similar patterns.
4787 (and<mode>3, *and<mode>3): Ditto.
4788 (<sse>_nand<mode>3): Ditto.
4789 (ior<mode>3, *ior<mode>3): Ditto.
4790 (xor<mode>3, *xor<mode>3): Ditto.
4791 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
4792 iterator and SSE_FLOAT_MODE_P as insn constraint.
4793 (*nand<mode>3): Ditto from similar patterns.
4794 (*ior<mode>3): Ditto.
4795 (*xor<mode>3): Ditto.
4797 2008-02-20 Ira Rosen <irar@il.ibm.com>
4799 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
4800 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
4801 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
4803 2008-02-19 Jan Hubicka <jh@suse.cz>
4805 * predict.c (tree_bb_level_predictions): Remove variable next
4806 mistakely introduced by previous commit.
4808 2008-02-19 Jan Hubicka <jh@suse.cz>
4810 * predict.c (predict_paths_leading_to): Rewrite.
4811 (predict_paths_for_bb): New.
4812 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
4814 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4817 * Makefile.in (build_file_translate): New.
4818 (gcc-vers.texi): Use it for translating $(abs_srcdir).
4819 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
4820 * configure.ac (build_file_translate): Substitute it.
4821 * configure: Regenerate.
4823 2008-02-19 Jan Hubicka <jh@suse.cz>
4825 PR rtl-optimization/34408
4826 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
4829 2008-02-19 Jan Hubicka <jh@suse.cz>
4832 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
4835 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
4838 * config/i386/i386-modes.def: Revert the last DI alignment
4839 change until Ada people can look into it.
4841 2008-02-19 Nick Clifton <nickc@redhat.com>
4843 * opts.c (print_specific_help): Fix typo in --help text.
4845 2008-02-19 Jakub Jelinek <jakub@redhat.com>
4848 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
4849 32-bit inline asm without asm alternatives for host GCC < 3.0.
4851 2008-02-19 Richard Guenther <rguenther@suse.de>
4853 PR tree-optimization/34989
4854 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
4855 Allow propagation to INDIRECT_REF if we can simplify only.
4857 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4859 * c-common.c (warn_for_collisions_1): Use appropriate option when
4862 2008-02-19 Nick Clifton <nickc@redhat.com>
4865 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
4866 (handle_options): Fix indentation.
4867 (print_filtered_help): If no language-specific options were
4868 displayed tell the user how to list all the options supported by
4869 the language's front-end.
4870 (print_specific_help): Fix indentation and remove duplicate line.
4871 (common_handle_option): Handle the -v option.
4872 For --help enable the display of undocumented options if the -v
4873 switch has been included on the command line.
4874 For --help= check for overlaps in the arguments between the option
4875 classes and the language names and issue a warning when they
4876 cannot be disambiguated.
4877 * c.opt (v): Pass on to the common option handler.
4879 2008-02-19 Revital Eres <eres@il.ibm.com>
4881 * modulo-sched.c (sms_schedule): Change dump message when
4882 create_ddg function fails.
4883 (try_scheduling_node_in_cycle): Rename row to cycle.
4884 (print_partial_schedule): Rename CYCLE to ROW.
4886 2008-02-19 Christian Bruel <christian.bruel@st.com>
4887 Zdenek Dvorak <ook@ucw.cz>
4889 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
4891 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
4894 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
4895 (*x86_movdicc_0_m1_se): Ditto.
4897 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
4899 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
4900 (CMPtype): Define as __gcc_CMPtype.
4901 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
4902 (CMPtype): Define as __gcc_CMPtype.
4904 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
4906 Support valgrind 3.3 for --enable-checking=valgrind.
4907 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
4909 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
4910 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
4911 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
4912 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
4913 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
4914 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
4915 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
4917 * ggc-zone.c: Similar.
4918 * ggc-page.c: Similar.
4920 2008-02-19 Paul Brook <paul@codesourcery.com>
4923 * config/arm/ieee754-df.S: Fix do_it typo.
4924 * config/arm/ieee754-sf.S: Fix do_it typo.
4926 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
4929 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
4930 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
4931 (OPTION_MASK_ISA_SSE_SET): Likewise.
4932 (OPTION_MASK_ISA_SSE2_SET): Likewise.
4933 (OPTION_MASK_ISA_SSE3_SET): Likewise.
4934 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
4935 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
4936 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
4937 (OPTION_MASK_ISA_SSE4_SET): Likewise.
4938 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
4939 (OPTION_MASK_ISA_SSE5_SET): Likewise.
4940 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
4941 (OPTION_MASK_ISA_MMX_UNSET): Updated.
4942 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
4943 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
4944 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
4945 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
4946 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
4947 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
4948 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
4949 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
4950 (OPTION_MASK_ISA_SSE4): Removed.
4951 (ix86_handle_option): Turn on bits in ix86_isa_flags and
4952 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
4953 (override_options): Don't turn on implied SSE/MMX bits in
4956 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
4958 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
4961 2008-02-18 Joey Ye <joey.ye@intel.com>
4964 * tree-nested.c (insert_field_into_struct): Set type alignment
4965 to field alignment if the former is less than the latter.
4967 2008-02-18 Jakub Jelinek <jakub@redhat.com>
4969 * BASE-VER: Set to 4.4.0.
4971 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4973 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
4974 * doc/cfg.texi: Likewise.
4975 * doc/extend.texi: Likewise.
4976 * doc/gty.texi: Likewise.
4977 * doc/invoke.texi: Likewise.
4978 * doc/loop.texi: Likewise.
4979 * doc/md.texi: Likewise.
4980 * doc/passes.texi: Likewise.
4981 * doc/rtl.texi: Likewise.
4982 * doc/sourcebuild.texi: Likewise.
4983 * doc/tm.texi: Likewise.
4984 * doc/tree-ssa.texi: Likewise.
4986 2008-02-17 Richard Guenther <rguenther@suse.de>
4989 * tree-complex.c (init_parameter_lattice_values): Handle parameters
4990 without default definition.
4992 2008-02-17 Richard Guenther <rguenther@suse.de>
4994 PR tree-optimization/35231
4995 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
4998 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
5001 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5002 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
5003 libgcc_cmp_return mode.
5005 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5008 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
5010 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
5012 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
5015 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5017 * doc/c-tree.texi: Use `@.' where appropriate.
5018 * doc/extend.texi: Likewise.
5019 * doc/install.texi: Likewise.
5020 * doc/invoke.texi: Likewise.
5021 * doc/loop.texi: Likewise.
5022 * doc/makefile.texi: Likewise.
5023 * doc/md.texi: Likewise.
5024 * doc/passes.texi: Likewise.
5025 * doc/standards.texi: Likewise.
5026 * doc/tm.texi: Likewise.
5028 2008-02-15 Jakub Jelinek <jakub@redhat.com>
5031 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
5033 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
5034 rather than in entry_bb.
5036 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5038 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
5039 libgcc_cmp_return mode.
5041 2008-02-15 Jakub Jelinek <jakub@redhat.com>
5044 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
5045 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
5047 2008-02-15 Richard Guenther <rguenther@suse.de>
5048 Zdenek Dvorak <ook@ucw.cz>
5050 PR tree-optimization/35164
5051 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
5052 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
5053 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
5054 Only propagate addresses which do not have abnormal SSA_NAMEs
5057 2008-02-15 Joseph Myers <joseph@codesourcery.com>
5060 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
5062 2008-02-15 Jan Hubicka <jh@suse.cz>
5065 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
5067 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5070 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
5071 when calculating alignment_pad.
5073 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5075 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
5076 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
5077 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
5078 and STACK_BOUNDARY define.
5080 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
5082 PR preprocessor/35061
5083 * c-pragma.c (handle_pragma_pop_macro): Check that
5084 pushed_macro_table has been allocated.
5086 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
5089 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
5090 (force_gimple_operand): Likewise.
5091 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
5092 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
5093 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
5094 (find_interesting_uses_address): Check addressability and alignment
5095 of the base expression only after substituting bases of IVs into it.
5097 2008-02-14 Michael Matz <matz@suse.de>
5100 * function.c (instantiate_virtual_regs_in_insn): Reload address
5101 before falling back to reloading the whole operand.
5103 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
5105 * config/s390/s390.c (s390_mainpool_start): Emit the pool
5106 before the first section switch note.
5108 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5110 * doc/bugreport.texi: Update copyright years.
5111 * doc/c-tree.texi: Likewise.
5112 * doc/cfg.texi: Likewise.
5113 * doc/cpp.texi: Likewise.
5114 * doc/cppinternals.texi: Likewise.
5115 * doc/fragments.texi: Likewise.
5116 * doc/frontends.texi: Likewise.
5117 * doc/gcc.texi: Likewise.
5118 * doc/gty.texi: Likewise.
5119 * doc/hostconfig.texi: Likewise.
5120 * doc/implement-c.texi: Likewise.
5121 * doc/libgcc.texi: Likewise.
5122 * doc/loop.texi: Likewise.
5123 * doc/makefile.texi: Likewise.
5124 * doc/options.texi: Likewise.
5125 * doc/passes.texi: Likewise.
5126 * doc/rtl.texi: Likewise.
5127 * doc/sourcebuild.texi: Likewise.
5128 * doc/standards.texi: Likewise.
5129 * doc/tree-ssa.texi: Likewise.
5130 * doc/trouble.texi: Likewise.
5132 * doc/extend.texi: Use @: or add comma where appropriate.
5133 * doc/invoke.texi: Likewise.
5134 * doc/tm.texi: Likewise.
5136 2008-02-14 Alan Modra <amodra@bigpond.net.au>
5139 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
5142 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
5144 * doc/md.texi (clz, ctz): Add reference.
5145 * doc/rtl.texi (clz, ctz): Likewise.
5147 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5150 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
5153 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
5155 * config/s390/s390.c (struct constant_pool): New field
5156 emit_pool_after added.
5157 (s390_mainpool_start): Set the emit_pool_after flag according
5158 to the section switch notes.
5159 (s390_mainpool_finish): Consider emit_pool_after when emitting
5160 the literal pool at the end of the function.
5161 (s390_chunkify_start): Force literal pool splits at section
5164 2008-02-13 Michael Matz <matz@suse.de>
5167 * var-tracking.c (clobber_variable_part): Correctly traverse the
5170 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5173 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
5174 Add -fdump-ipa-inline.
5175 * tree-dump.c (dump_files): Remove tree-inlined dump.
5176 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
5178 2008-02-12 Richard Guenther <rguenther@suse.de>
5180 PR tree-optimization/35171
5181 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
5184 2008-02-12 Richard Guenther <rguenther@suse.de>
5187 * fold-const.c (fold_widened_comparison): Use get_unwidened in
5188 value-preserving mode. Disallow final truncation.
5190 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
5193 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
5194 code from here to...
5195 (force_gimple_operand): ...here.
5197 2008-02-12 Jakub Jelinek <jakub@redhat.com>
5200 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
5201 non-compatible pointers.
5202 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
5203 different FIELD_DECLs, try harder by comparing field offsets, sizes
5207 * function.c (match_asm_constraints_1): Don't replace the same input
5210 2008-02-12 Anatoly Sokolov <aesok@post.ru>
5212 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
5213 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
5214 (expand_epilogue): Restore RAMPZ register.
5215 * config/avr/avr.md (RAMPZ_ADDR): New constant.
5217 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
5219 * config/i386/cygwin.asm: (__alloca): Correct calling
5220 convention and alignment.
5221 (__chkstk): Force 8 byte stack alignment.
5223 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
5224 Richard Guenther <rguenther@suse.de>
5226 PR tree-optimization/33992
5227 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
5228 the zero we compare against.
5230 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
5233 * gthr-win32.h (__gthread_mutex_destroy_function): New function
5234 to CloseHandle after unlocking to prevent accumulation of handle
5237 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5240 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
5241 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
5242 and update LABEL_NUSES during and after reload.
5244 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
5247 * combine.c (simplify_if_then_else): Make sure the comparison is
5248 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
5250 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
5253 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
5254 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
5255 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
5256 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
5257 * tree.h (get_type_static_bounds): Likewise.
5259 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5261 * doc/invoke.texi (Option Summary, C++ Dialect Options)
5262 (Objective-C and Objective-C++ Dialect Options, Warning Options):
5263 Make -Wfoo language annotations match what the compiler outputs.
5265 2008-02-08 Sa Liu <saliu@de.ibm.com>
5267 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
5268 intrinsics spu_convts, spu_convtu, spu_convtf.
5269 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
5271 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
5273 * doc/extend.texi (Function Attributes) <noinline>: Mention
5274 asm ("") as method to keep calls.
5276 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5279 * doc/options.texi (Options): Replace references to opts.sh with
5281 * opts-common.c: Likewise.
5282 * optc-gen.awk: Likewise.
5284 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
5286 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
5288 2008-02-07 Richard Henderson <rth@redhat.com>
5291 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
5292 EXPR_LIST for the REG_EQUAL instead of a comparison with a
5295 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
5297 PR tree-optimization/35085
5298 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
5299 for operand entry oe2 in addition to operand entry oe3 in order to
5300 expose more opportunities for vectorizer sum reduction.
5302 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5305 * Makefile.in (LIBS): Remove $(GMPLIBS).
5306 (cc1-dummy, cc1): Add $(GMPLIBS).
5308 2008-02-06 Jan Hubicka <jh@suse.cz>
5311 * i386.md (moddf_integer): Do not produce partial memory stalls for
5312 targets where it hurts.
5314 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
5317 * optabs.c (expand_float): Do not check for decimal modes when
5318 expanding unsigned integer through signed conversion.
5320 2008-02-06 Nick Clifton <nickc@redhat.com>
5322 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
5323 inside the clobber with a match_operand and duplicated operand
5324 number in the constraint.
5325 (ineqbranchsi): Delete redundant comment.
5327 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
5329 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
5330 builtin_define ("__USE_INIT_FINI__").
5331 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
5333 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
5335 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5337 PR documentation/30330
5338 * doc/invoke.texi (C++ Dialect Options)
5339 (Objective-C and Objective-C++ Dialect Options, Warning Options):
5340 For each warning option -Wfoo that allows -Wno-foo, ensure both
5341 -Wfoo and -Wno-foo are listed in the option index. Fix index
5342 entry of -Wswitch-default, index -Wnormalized= including the
5343 `=', and -Wlarger-than-@var{len} including @var{len}.
5345 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
5347 * config/i386/i386.md (floatunssisf2): Use
5348 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
5349 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
5350 Macroize expander using MODEF mode iterator.
5352 2008-02-05 Diego Novillo <dnovillo@google.com>
5354 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
5357 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
5359 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5362 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
5364 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
5367 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
5368 to indicate if a message should be generated.
5369 (init_cumulative_args): Updated.
5370 (function_value_32): Likewise.
5372 2008-02-05 Joseph Myers <joseph@codesourcery.com>
5374 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
5376 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
5379 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
5380 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
5382 2008-02-04 Diego Novillo <dnovillo@google.com>
5384 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
5387 * tree-vrp.c (vrp_evaluate_conditional): With
5388 -Wtype-limits, emit a warning when comparing against a
5389 constant outside the natural range of OP0's type.
5391 2008-02-04 Richard Guenther <rguenther@suse.de>
5394 * expr.c (count_type_elements): Give for unions instead of
5397 2008-02-04 Richard Guenther <rguenther@suse.de>
5400 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
5401 to TYPE_DOMAINs base type instead of using bitsizetype here.
5403 2008-02-03 Jason Merrill <jason@redhat.com>
5405 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
5407 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5410 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
5411 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
5412 (RS/6000 and PowerPC Options): Fix typos and markup.
5413 * doc/passes.texi (Tree-SSA passes): Likewise.
5415 2008-02-02 Michael Matz <matz@suse.de>
5418 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
5419 from record_last_reg_set_info.
5420 (record_last_reg_set_info): Take an RTX argument, iterate over all
5421 constituent hardregs.
5422 (record_last_set_info, record_opr_changes): Change calls to
5423 new signature or to record_last_reg_set_info_regno.
5425 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
5427 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
5429 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
5431 PR rtl-optimization/34773
5432 * reg-notes.def (EQUAL): Mention significance of combination of
5433 REG_EQUAL and REG_RETVAL.
5434 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
5435 insn that has a REG_RETVAL.
5437 2008-02-01 Roger Sayle <roger@eyesopen.com>
5440 * configure.ac (--enable-fixed-point): Disable unless explicitly
5442 * configure: Regenerate.
5444 2008-02-01 Richard Guenther <rguenther@suse.de>
5447 * invoke.texi (-finline-limit): Remove no longer true parts
5448 of the documentation. Note that there is no default value.
5450 2008-02-01 Andrew Pinski <pinskia@gmail.com>
5451 Mark Mitchell <mark@codesourcery.com>
5452 Ben Elliston <bje@au.ibm.com>
5455 * doc/extend.texi (Other Builtins): Document.
5457 2008-01-31 Tom Browder <tom.browder@gmail.com>
5459 * doc/c-tree.texi (Types): Fix grammar.
5460 (Expression trees): Ditto.
5461 * doc/passes.texi (Tree-SSA passes): Ditto.
5463 * doc/configterms.texi (Configure Terms): Fix typo.
5464 * doc/cpp.texi (Common Predefined Macros): Ditto.
5465 * doc/md.texi (Machine Constraints): Ditto.
5467 * doc/makefile.texi (Makefile): Add comma.
5469 2008-01-31 Tom Browder <tom.browder@gmail.com>
5470 Gerald Pfeifer <gerald@pfeifer.com>
5472 * doc/sourcebuild.texi (Front End): Remove references to CVS
5473 and CVSROOT/modules.
5474 (Texinfo Manuals): Replace reference to CVS by one to SVN.
5475 (Back End): Remove reference to CVS.
5477 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
5480 * config/mips/mips.c (gen_load_const_gp): New function, taking a
5482 (mips16_gp_pseudo_reg): ...here.
5483 * config/mips/mips.md (load_const_gp): Replace with...
5484 (load_const_gp_<mode>): ...this :P-based insn.
5486 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5488 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
5489 options. Minor fixes.
5490 (-std): Move reference to standards closer to where language
5491 standards are first mentioned.
5493 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
5495 PR rtl-optimization/34995
5496 * reload.c (alternative_allows_const_pool_ref): Take an rtx
5497 parameter and return a bool. If the rtx parameter is nonnull,
5498 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
5499 (find_reloads): Update call accordingly. Pass the new operand
5500 if it needed no address reloads, otherwise pass null.
5502 2008-01-30 Richard Henderson <rth@redhat.com>
5505 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
5506 for unbounded arrays.
5508 2008-01-30 Silvius Rus <rus@google.com>
5510 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
5512 2008-01-30 Jan Hubicka <jh@suse.cz>
5515 * i386.c (init_cumulative_args): Use real function declaration when
5518 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
5520 PR rtl-optimization/34998
5521 * global.c (build_insn_chain): Treat non-subreg_lowpart
5522 SUBREGs of pseudos as clobbering all the words covered by the
5523 SUBREG, not just all the bytes.
5524 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
5525 original df_ref rather than an extract parameter.
5526 (global_conflicts): Update call accordingly.
5528 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
5530 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
5531 the overflow check to make it easier to read.
5532 (__fixtfdi): Change the type of the ll member in union
5533 long_double to UDItype_x.
5535 2008-01-30 Jakub Jelinek <jakub@redhat.com>
5538 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
5539 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
5540 * tree-inline.c (fold_marked_statements): Call
5541 cgraph_update_edges_for_call_stmt if folding a call statement.
5542 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
5543 debug_generic_stmt calls, reset it back afterwards.
5546 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
5548 * c-typeck.c (build_external_ref): Don't pedwarn about
5549 static vars in current function's scope.
5551 2008-01-29 Joseph Myers <joseph@codesourcery.com>
5553 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
5555 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
5558 * ipa-struct-reorg.c: Fix spelling.
5559 * params.def: Ditto.
5561 2008-01-29 Richard Guenther <rguenther@suse.de>
5564 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
5566 * tree-inline.c (remap_type): Increment remapping_type_depth
5567 around remapping types.
5568 (copy_body_r): Only add referenced variables if they are referenced
5569 from code, not types.
5571 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
5582 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
5583 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
5585 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
5588 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
5589 pointer for tiny stack.
5591 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
5593 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
5595 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
5597 * config/vx-common.h: Fix typo in comment.
5599 2008-01-28 Ian Lance Taylor <iant@google.com>
5603 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
5604 coalesce pointers if they have different DECL_NO_TBAA_P values.
5605 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
5606 between variables with different DECL_NO_TBAA_P values.
5608 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
5611 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
5612 are not legitimate small data references on SPE targets.
5614 2008-01-28 David Daney <ddaney@avtrex.com>
5616 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
5618 2008-01-28 David Daney <ddaney@avtrex.com>
5620 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
5622 2008-01-27 Joseph Myers <joseph@codesourcery.com>
5624 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
5625 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
5626 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
5627 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
5628 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
5629 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
5630 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
5631 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
5633 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5635 * basic-block.h (condjump_equiv_p): Fix comment.
5637 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5639 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
5640 print_generic_stmt_indented): Fix comment.
5642 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5644 * configure.ac (__stack_chk_fail): Add detecion for availability
5645 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
5646 * configure: Regenerate.
5648 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
5651 * final.c (output_addr_const): Handle TRUNCATE.
5653 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
5656 * tree-ssa-loop-ivopts.c (comp_cost): New type.
5657 (zero_cost, infinite_cost): New constants.
5658 (struct cost_pair): Change type of cost to comp_cost.
5659 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
5660 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
5662 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
5663 split_address_cost, ptr_difference_cost, difference_cost,
5664 get_computation_cost_at, get_computation_cost,
5665 determine_use_iv_cost_generic, determine_use_iv_cost_address,
5666 determine_use_iv_cost_condition, determine_use_iv_costs,
5667 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
5668 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
5669 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
5670 Change type of cost to comp_cost.
5671 (determine_iv_cost): Increase cost of non-original ivs, instead
5672 of decreasing the cost of original ones.
5673 (get_address_cost): Indicate the complexity of the addressing mode
5675 (try_add_cand_for): Prefer using ivs not specific to some object.
5676 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
5678 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
5679 Janis Johnson <janis187@us.ibm.com>
5682 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
5683 (TARGET_INSTANTIATE_DECLS): Likewise.
5684 * target.h (expand_to_rtl_hook): New target hook.
5685 (instantiate_decls): Likewise.
5686 * function.c (instantiate_decl): Make non-static. Rename to...
5687 (instantiate_decl_rtl): ... this.
5688 (instantiate_expr): Use instantiate_decl_rtl.
5689 (instantiate_decls_1): Likewise.
5690 (instantiate_decls): Likewise.
5691 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
5692 * function.h (instantiate_decl_rtl): Add prototype.
5693 * cfgexpand.c (target.h): New include.
5694 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
5695 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
5696 (TARGET_INSTANTIATE_DECLS): Likewise.
5697 (TARGET_INITIALIZER): New target hooks added.
5698 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
5700 * config/rs6000/rs6000.c (tree-flow.h): New include.
5701 (machine_function): Add sdmode_stack_slot field.
5702 (rs6000_alloc_sdmode_stack_slot): New function.
5703 (rs6000_instantiate_decls): Likewise.
5704 (rs6000_secondary_memory_needed_rtx): Likewise.
5705 (rs6000_check_sdmode): Likewise.
5706 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
5707 (TARGET_INSTANTIATE_DECLS): Likewise.
5708 (rs6000_hard_regno_mode_ok): Allow SDmode.
5709 (num_insns_constant): Likewise. Handle _Decimal32 constants.
5710 (rs6000_emit_move): Handle SDmode.
5711 (function_arg_advance): Likewise.
5712 (function_arg): Likewise.
5713 (rs6000_gimplify_va_arg): Likewise. Add special handling of
5714 SDmode var args for 32-bit compiles.
5715 (rs6000_secondary_reload_class): Handle SDmode.
5716 (rs6000_output_function_epilogue): Likewise.
5717 (rs6000_function_value): Simplify if statement.
5718 (rs6000_libcall_value): Likewise.
5719 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
5720 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
5721 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
5722 (movsd_hardfloat): New define_insn.
5723 (movsd_softfloat): Likewise.
5724 (movsd_store): Likewise.
5725 (movsd_load): Likewise.
5726 (extendsddd2): Likewise.
5727 (extendsdtd2): Likewise.
5728 (truncddsd2): Likewise.
5729 (movdd_hardfloat64): Fixup comment.
5730 (UNSPEC_MOVSD_LOAD): New constant.
5731 (UNSPEC_MOVSD_STORE): Likewise.
5733 2008-01-26 Jakub Jelinek <jakub@redhat.com>
5736 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
5738 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
5739 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
5740 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
5743 2008-01-26 David Edelsohn <edelsohn@gnu.org>
5746 * config.gcc: Separate AIX 5.3 from AIX 6.1.
5747 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5748 __LONGDOUBLE128 too.
5749 * config/rs6000/aix61.h: New file.
5751 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
5753 PR rtl-optimization/34959
5754 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
5755 popcount and parity rtxes the same mode as their operand.
5756 Truncate or extend the result to the return value's mode
5759 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
5762 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
5763 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
5764 to GOT_VERSION_REGNUM.
5765 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
5766 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
5767 * config/mips/mips.c (mips_emit_call_insn): New function.
5768 (mips_call_tls_get_addr): Call mips_expand_call directly.
5769 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
5771 (mips16_build_call_stub): Likewise. Return the call insn or null.
5772 (mips_expand_call): Update the call to mips16_build_call_stub
5773 accordingly and a remove redundant condition. Assert that MIPS16
5774 stubs do not use lazy binding. Use mips_emit_call_insn and return
5776 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
5778 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
5779 (mips_avoid_hazard): Remove hazard_set handling.
5780 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
5781 (UNSPEC_RESTORE_GP): ...this.
5782 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
5783 (FAKE_CALL_REGNO): Rename to...
5784 (GOT_VERSION_REGNUM): ...this.
5785 (type): Add "ghost" value. Add an associated insn reservation.
5786 (hazard_set): Remove.
5787 (exception_receiver): Rename to...
5788 (restore_gp): ...this and update the unspec identifier accordingly.
5789 (exception_receiver, nonlocal_got_receiver): New expanders.
5790 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
5791 FAKE_CALL_REGNO. Remove hazard_set attribute.
5792 (set_got_version, update_got_version): New patterns.
5794 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
5797 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
5799 2008-01-25 Joseph Myers <joseph@codesourcery.com>
5802 * doc/install.texi2html: Generate gcc-vers.texi.
5804 2008-01-25 DJ Delorie <dj@redhat.com>
5806 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
5808 2008-01-25 Joseph Myers <joseph@codesourcery.com>
5810 * config/c4x: Remove directory.
5811 * config.gcc (crx-*, mt-*): Mark obsolete.
5812 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
5813 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
5814 sh-*-rtemscoff*): Remove cases.
5815 * defaults.h (C4X_FLOAT_FORMAT): Remove.
5816 * real.c (encode_c4x_single, decode_c4x_single,
5817 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
5818 c4x_extended_format): Remove.
5819 * real.h (c4x_single_format, c4x_extended_format): Remove.
5820 * doc/extend.texi (interrupt, naked): Remove mention of attributes
5822 (Pragmas): Remove comment about c4x pragmas.
5823 * doc/install.texi (c4x): Remove target-specific instructions.
5824 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
5825 * doc/md.texi (Machine Constraints): Remove C4x documentation.
5826 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
5827 refer to C4x source files as examples.
5828 (C4X_FLOAT_FORMAT): Remove documentation.
5830 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
5832 * config/bfin/bfin.c (override_options): Reorder tests so that
5833 flag_pic gets enabled for -msep-data.
5835 2008-01-25 Richard Guenther <rguenther@suse.de>
5838 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
5839 to its bitfield precision if required.
5841 2008-01-25 Jakub Jelinek <jakub@redhat.com>
5844 * tree-nested.c (walk_omp_for): New function.
5845 (convert_nonlocal_reference, convert_local_reference): Call
5846 walk_omp_for on OMP_FOR.
5847 (convert_call_expr): Call walk_body on OMP_FOR's
5848 OMP_FOR_PRE_INIT_BODY.
5850 2008-01-25 Richard Guenther <rguenther@suse.de>
5852 PR tree-optimization/34966
5853 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
5854 default defs and PHI_NODEs we have to insert after the
5857 2008-01-24 Nick Clifton <nickc@redhat.com>
5859 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
5860 Provide a default definition.
5861 (LIBGCC2_UNITS_PER_WORD): Likewise.
5863 * config/stormy16/stormy16.c: Include df.h for the prototype
5864 for df_regs_ever_live_p.
5865 (xstormy16_expand_builtin_va_start): Convert the stack offset
5866 into a component_ref and then use POINTER_PLUS_EXPR to add it
5867 to the incoming_virtual_args_rtx.
5868 (xstormy16_gimplify_va_arg_expr): Rename to
5869 xstormy16_gimplify_va_arg_expr.
5870 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
5871 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
5872 xstormy16_gimplify_va_arg_expr.
5873 Fix up some formatting issues.
5875 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
5876 Move to predicates.md.
5877 (xs_hi_general_operand): Likewise.
5878 (xs_hi_nonmemory_operand): Likewise.
5879 * config/stormy16/predicates.md:
5880 (xstormy16_carry_plus_operand): New predicate.
5881 (xs_hi_general_operand): New predicate.
5882 (xs_hi_nonmemory_operand): New predicate.
5883 * config/stormy16/stormy16-protos.h:
5884 (xstormy16_carry_plus_operand): Delete prototype.
5885 (xs_hi_general_operand): Likewise.
5886 (xs_hi_nonmemory_operand): Likewise.
5888 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
5889 modifiers as they are no longer needed and they can trigger
5890 reload spill failures.
5892 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
5893 with a match_operand in order to help reload.
5895 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
5896 constraint with 'e' for the 8th alternative as this version of
5897 the mov.w instruction only accepts the lower 8 registers.
5899 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
5902 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
5903 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
5906 2008-01-25 Jakub Jelinek <jakub@redhat.com>
5909 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
5911 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
5913 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
5915 (remove_structure): Update allocations list before removing structure.
5917 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
5919 * ipa-struct-reorg.c (is_safe_cond_expr,
5920 create_new_stmts_for_cond_expr): Use integer_zerop function,
5921 that recognize not only zero-pointer, but zero-integer too.
5923 2008-01-25 Ben Elliston <bje@au.ibm.com>
5926 * fixproto: Escape "." in sed expression that strips leading "./".
5928 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
5931 * gcc.c (SWITCH_OK): Removed.
5932 (SWITCH_LIVE): Changed to bit.
5933 (SWITCH_FALSE): Likewise.
5934 (SWITCH_IGNORE): Likewise.
5935 (switchstr): Change live_cond to unsigned int.
5936 (process_command): Replace SWITCH_OK with 0.
5937 (do_self_spec): Likewise.
5938 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
5939 (give_switch): Likewise.
5940 (used_arg): Likewise.
5941 (do_spec_1): Set the SWITCH_IGNORE bit.
5942 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
5943 bits. Set the SWITCH_LIVE bit.
5945 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
5947 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
5949 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
5951 PR tree-optimization/34472
5952 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
5953 parameter to a "bool *" and set *DATA to false if there is
5954 an unsafe access. Do not delete the structure here.
5955 (check_cond_exprs): Delete it here instead.
5956 (check_cond_exprs, exclude_cold_structs): Do not increase
5957 I when removing a structure.
5959 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
5962 * config/i386/i386.c (ix86_expand_vector_init): Consider only
5963 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
5965 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
5968 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
5969 a fixed vector for stack.
5971 2008-01-24 Ben Elliston <bje@au.ibm.com>
5974 * doc/gcc.texi (Software development): Add a direntry for g++.
5976 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
5978 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
5979 stale and straggling -fforce-addr comments above.
5981 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
5983 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
5984 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
5986 2008-01-23 Michael Matz <matz@suse.de>
5989 * dwarf2out.c (force_type_die): Use modified_type_die instead of
5992 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
5994 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
5997 2008-01-23 Anatoly Sokolov <aesok@post.ru>
5999 * config/avr/avr.c (avr_current_arch): New variable.
6000 (avr_arch_types): Add 'avr31' and 'avr51' entries.
6001 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
6002 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
6003 (avr_override_options): Init 'avr_current_arch'.
6004 (base_arch_s): Move from here...
6005 * config/avr/avr.h (base_arch_s): ... here. Add new members
6006 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
6007 'mega' to 'have_jmp_call'.
6008 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
6009 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
6011 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
6013 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
6014 MULTILIB_MATCHES): (Ditto.).
6016 2008-01-23 Richard Guenther <rguenther@suse.de>
6019 * cgraphunit.c (cgraph_reset_node): Always mark the node
6020 not reachable if it is not queued already.
6022 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
6024 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
6025 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
6026 (cputype_selected): New static variable.
6027 (bfin_handle_option): Set it if -mcpu is used.
6028 (override_option): Select default set of workarounds if no cpu type
6029 selected on the command line.
6030 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
6032 From Michael Frysinger <michael.frysinger@analog.com>
6033 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
6034 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
6036 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
6037 for bf547, bf523, bf524, and bf526.
6038 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
6040 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6041 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
6042 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
6043 __ADSPBF547__ and __ADSPBF54x__ for bf547.
6044 * doc/invoke.texi (Blackfin Options): Document that
6045 -mcpu now accept bf547, bf523, bf524, and bf526.
6047 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
6049 PR rtl-optimization/34628
6050 * combine.c (try_combine): Stop and undo after the first combination
6051 if an autoincrement side-effect on the first insn has effectively
6054 2008-01-22 David Edelsohn <edelsohn@gnu.org>
6057 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
6058 Offset addresses are not valid for Altivec or paired float modes.
6060 2008-01-22 Jakub Jelinek <jakub@redhat.com>
6063 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
6064 if DECL_INITIAL (decl) is error_mark_node.
6067 * c-common.c (handle_vector_size_attribute): Only allow
6068 integral, scalar float and fixed point types. Handle OFFSET_TYPE
6069 the same way as pointer, array etc. types.
6070 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
6073 * tree.c (build_type_attribute_qual_variant): Call
6074 build_qualified_type if attributes are equal, but quals are not.
6076 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6079 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
6080 * flags.h (warn_strict_aliasing): Remove.
6081 (warn_strict_overflow): Remove.
6082 * opts.c (warn_strict_aliasing): Remove.
6083 (warn_strict_overflow): Remove.
6084 * c-opts.c (c_common_handle_option): -Wall only sets
6085 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
6086 (c_common_post_options): Give default values to -Wstrict-aliasing
6087 and -Wstrict-overflow if they are uninitialized.
6088 * common.opt (Wstrict-aliasing): Specify Var and Init.
6089 (Wstrict-overflow): Likewise.
6091 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6093 PR rtl-optimization/26854
6094 PR rtl-optimization/34400
6095 PR rtl-optimization/34884
6096 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
6098 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
6099 (df_rd_bb_info.expanded_lr_out): Deleted
6100 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
6101 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
6102 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
6103 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
6104 Removed code to allocate, initialize or free expanded_lr_out.
6105 (df_rd_bb_local_compute_process_def): Restructured to make more
6107 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
6108 sets if the sets are being trimmed.
6110 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
6113 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
6114 (as_vers): Likewise.
6115 * configure: Regenerated.
6117 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6120 * tree-pass.h (pass_build_alias): New pass.
6121 * tree-ssa-alias.c (gate_build_alias): New.
6122 (pass_build_alias): New.
6123 * passes.c (init_optimization_passes): Add pass_build_alias after
6124 pass_create_structure_vars.
6126 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
6128 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
6129 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
6130 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
6131 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
6132 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
6133 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
6134 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
6135 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
6136 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
6137 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
6138 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
6139 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
6140 * config/s390/s390.md (FP_ALL): New mode iterator.
6141 (_d): New mode attribute.
6142 ("*signbit<mode>2>"): Changed mode of first operand.
6143 ("isinf<mode>2"): Changed mode of first operand.
6144 ("*TDC_insn"): Adaptation for DFP modes.
6146 2008-01-22 Ben Elliston <bje@au.ibm.com>
6148 * tree.c (check_qualified_type): Improve function description.
6150 2008-01-21 Jason Merrill <jason@redhat.com>
6153 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
6154 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
6157 2008-01-21 DJ Delorie <dj@redhat.com>
6159 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
6162 2008-01-21 Richard Guenther <rguenther@suse.de>
6165 * tree-cfg.c (verify_expr): Allow all invariant expressions
6166 instead of just constant class ones as reference argument.
6167 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
6168 like any other constant.
6169 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
6171 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
6173 * regmove.c (fixup_match_1): Update call crossed frequencies.
6175 2008-01-21 Richard Guenther <rguenther@suse.de>
6178 * tree-inline.c (setup_one_parameter): Deal with mismatched
6179 types using a VIEW_CONVERT_EXPR.
6181 2008-01-21 Alon Dayan <alond@il.ibm.com>
6182 Olga Golovanevsky <olga@il.ibm.com>
6184 PR tree-optimization/34701
6185 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
6186 when the structure size is not a power of 2.
6188 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
6190 * doc/install.texi: Add doc for --enable-checking=df.
6192 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
6194 PR rtl-optimization/34808
6195 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
6197 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
6199 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
6202 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6204 PR rtl-optimization/26854
6205 PR rtl-optimization/34400
6206 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
6208 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
6209 (df_rd_bb_info.expanded_lr_out): New.
6210 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
6211 * loop_iv.c (iv_analysis_loop_init): Ditto.
6212 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
6213 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
6214 Added code to allocate, initialize or free expanded_lr_out.
6215 (df_rd_bb_local_compute_process_def): Restructured to make
6216 more understandable.
6217 (df_rd_confluence_n): Add code to do nothing with fake edges and
6218 code to no apply invalidate_by_call sets if the sets are being trimmed.
6219 (df_lr_local_finalize): Renamed to df_lr_finalize.
6220 (df_live_local_finalize): Renamed to df_live_finalize.
6222 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
6225 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
6226 deciding whether to use reciprocal instructions.
6228 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
6230 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
6231 dwarf2out_note_section_used if cold_text_section is NULL.
6233 2008-01-19 Jakub Jelinek <jakub@redhat.com>
6235 PR gcov-profile/34610
6236 * tree-cfg.c (make_edges): Mark both outgoing edges from
6237 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
6238 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
6239 from OMP_FOR and OMP_CONTINUE outgoing edges.
6241 * tree-profile.c (tree_profiling): Return early if
6242 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
6244 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
6245 from cfun to child_cfun.
6246 * function.h (struct function): Add after_tree_profile bit.
6248 2008-01-19 Anatoly Sokolov <aesok@post.ru>
6250 * config/avr/avr.S (_exit): Disable interrupt.
6252 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
6253 Steven Bosscher <stevenb.gcc@gmail.com>
6255 PR rtl-optimization/26854
6256 PR rtl-optimization/34400
6257 * df-problems.c (df_live_scratch): New scratch bitmap.
6258 (df_live_alloc): Allocate df_live_scratch when doing df_live.
6259 (df_live_reset): Clear the proper bitmaps.
6260 (df_live_bb_local_compute): Only process the artificial defs once
6261 since the order is not important.
6262 (df_live_init): Init the df_live sets only with the variables
6263 found live by df_lr.
6264 (df_live_transfer_function): Use the df_lr sets to prune the
6265 df_live sets as they are being computed.
6266 (df_live_free): Free df_live_scratch.
6268 2008-01-18 Ian Lance Taylor <iant@google.com>
6270 * common.opt: Add fmerge-debug-strings.
6271 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
6272 flag_merge_debug_strings rather than flag_merge_constants.
6273 * doc/invoke.texi (Option Summary): Mention
6274 -fmerge-debug-strings.
6275 (Debugging Options): Document -fmerge-debug-strings.
6277 2008-01-18 Ian Lance Taylor <iant@google.com>
6280 * tree.h (DECL_IS_OPERATOR_NEW): Define.
6281 (struct tree_function_decl): Add new field operator_new_flag.
6282 * tree-inline.c (expand_call_inline): When inlining a call to
6283 operator new, force the return value to go into a variable, and
6284 set DECL_NO_TBAA_P on that variable.
6285 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
6287 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
6290 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
6291 DWARF2_DEBUGGING_INFO.
6292 (dwarf2out_note_section_used): Ditto. Add prototype.
6293 (have_multiple_function_sections, text_section_used,
6294 cold_text_section_used, *cold_text_sections): Move declarations
6297 2008-01-17 Bob Wilson <bob.wilson@acm.org>
6299 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
6300 field and add signal_ra.
6301 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
6302 assignments to frame state pc. Move end of stack check after
6303 MD_FALLBACK_FRAME_STATE_FOR.
6304 (uw_update_context_1): Use frame state signal_regs if set, instead
6305 of checking signal_frame flag.
6306 (uw_update_context): Use frame state signal_ra if set.
6307 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
6308 * config/xtensa/linux-unwind.h: New file.
6310 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
6312 * modulo-sched.c (get_sched_window): Fix comment typo.
6314 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
6316 PR tree-optimization/34648
6317 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
6319 2008-01-17 Anatoly Sokolov <aesok@post.ru>
6321 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
6322 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
6324 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
6326 PR rtl-optimization/34400
6327 * df-core.c (df_worklist_dataflow_overeager,
6328 df_worklist_dataflow_doublequeue): New functions.
6329 (df_worklist_dataflow): Two different worklist solvers.
6330 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
6333 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6336 * doc/invoke.texi: Document the dependence on pthread for fopenmp
6337 and ftree-parallelize-loops.
6339 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
6341 PR rtl-optimization/34826
6342 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
6344 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
6346 * global.c (find_reg): Mark the eh regs as used if necessary.
6347 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
6348 * ra.h (struct allocno): no_eh_reg field added. Changed
6349 no_stack_reg type to bitfield.
6351 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
6353 * tree.c (substitute_in_expr): Add missing 'break'.
6355 2008-01-17 Richard Guenther <rguenther@suse.de>
6357 PR tree-optimization/34825
6358 * tree-ssa-math-opts.c (is_division_by): Do not recognize
6359 x / x as division to handle.
6361 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6363 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
6364 "-pthread" is specified.
6365 * pa-hpux11.h (LIB_SPEC): Likewise.
6367 2008-01-16 Janis Johnson <janis187@us.ibm.com>
6368 Peter Bergner <bergner@vnet.ibm.com>
6370 PR rtl-optimization/33796
6371 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
6373 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6375 PR libgfortran/34699
6376 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
6378 * pa-hpux10.h (LINK_SPEC): Likewise.
6379 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
6381 2008-01-16 Richard Guenther <rguenther@suse.de>
6384 * fold-const.c (fold_convert_const_int_from_int): Do not
6385 set overflow if that occured only because of a sign extension
6386 change when converting from/to a sizetype with the same
6387 precision and signedness.
6389 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
6392 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
6393 location address to the correct place. Update copyright year.
6395 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6397 * lambda-code.c (lambda_transform_legal_p): Handle the case of
6398 no dependences in the dependence_relations vector.
6400 2008-01-16 Jan Hubicka <jh@suse.cz>
6402 PR rtl-optimization/31396
6403 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
6404 * cfg.c (dump_reg_info): Print it.
6405 * regs.h (struct reg_info_t): add freq_calls_crossed.
6406 (REG_FREQ_CALLS_CROSSED): New macro.
6407 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
6408 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
6409 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
6410 regmove_optimize): Update call crossed frequencies.
6411 * local-alloc.c (struct qty): Add freq_calls_crossed.
6412 (alloc_qty): Copute freq_calls_crossed.
6413 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
6414 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
6415 * ra.h (struct allocno): Add freq_calls_crossed.
6417 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6419 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
6420 libgomp when compiling with ftree-parallelize-loops.
6421 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
6423 2008-01-16 Richard Guenther <rguenther@suse.de>
6425 PR tree-optimization/34769
6426 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
6427 * tree.c (int_cst_value): Instead make this function more
6428 permissive in what it accepts as valid input. Document this
6429 function always sign-extends the value.
6431 2008-01-16 Jakub Jelinek <jakub@redhat.com>
6432 Richard Guenther <rguenther@suse.de>
6435 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
6436 (gimple_fold_indirect_ref_rhs): ... this.
6437 (gimple_fold_indirect_ref): New function with foldings
6438 that preserve lvalueness.
6439 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
6440 * tree-flow.h (gimple_fold_indirect_ref): Declare.
6441 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
6442 to fold an INDIRECT_REF, fall back to the old use of
6443 fold_indirect_ref_1.
6445 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6447 * tree-data-ref.c (subscript_dependence_tester_1): Call
6448 free_conflict_function.
6449 (compute_self_dependence): Same.
6451 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
6454 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
6455 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
6457 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
6458 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
6459 for DWARF2_UNWIND_INFO targets.
6461 2008-01-16 Richard Guenther <rguenther@suse.de>
6464 * c-typeck.c (common_pointer_type): Do not merge inconsistent
6465 type qualifiers for function types.
6467 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
6469 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
6470 loop_iterator li from previous commit.
6472 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
6474 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
6476 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
6478 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
6479 (parallelize_loops): Don't parallelize irreducible components.
6481 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6484 * c-opts (c_common_post_options): Do not enable CPP
6485 flag_pedantic_errors by default.
6487 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
6489 PR rtl-optimization/31944
6490 * cse.c (remove_pseudo_from_table): New function.
6491 (merge_equiv_classes): Use above function to remove pseudo-registers.
6492 (invalidate): Likewise.
6494 2008-01-13 Richard Guenther <rguenther@suse.de>
6497 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
6498 instead of TYPE_MODE to deal with calls from expand_one_error_var.
6500 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
6502 * gcse.c (cprop_jump): Call validate_unshare_change instead of
6503 validate_change to unshare the source of the PC set.
6505 2008-01-12 Jan Hubicka <jh@suse.cz>
6508 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
6509 references above array bounds. This might trigger bounds checks for
6512 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
6514 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
6515 new_replaceable_dependencies.
6517 2008-01-12 Doug Kwan <dougkwan@google.com>
6519 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
6520 instead of OPT_Wreturn_type in warning due to ignored return type
6522 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
6523 options included in -Wextra.
6524 * c.opt: New option -Wignored_qualifiers.
6525 * doc/invoke.texi (Warning Options, -Wextra): Add new option
6526 -Wignore_qualifiers.
6527 (-Wignored-qualifiers): Document.
6528 (-Wreturn-type): Remove description of functionality now handled
6529 by -Wignored-qualifiers.
6531 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
6534 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
6535 NOP_EXPR if it is between integral types with the same precision.
6537 2008-01-12 Jan Hubicka <jh@suse.cz>
6540 * invoke.texi (max-inline-recursive-depth): Fix default value.
6542 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
6544 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
6547 2008-01-11 Bob Wilson <bob.wilson@acm.org>
6549 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
6551 2008-01-11 James E. Wilson <wilson@specifix.com>
6554 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
6556 2008-01-11 Anatoly Sokolov <aesok@post.ru>
6558 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
6559 save/restore frame pointer register and don't use 'call-prologues'
6560 optimization in function with "OS_task" attribute.
6562 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
6565 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
6566 when copying to memory.
6568 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
6570 PR rtl-optimization/30905
6571 * cfgcleanup.c: Include dce.h
6572 (crossjumps_occured): New global variable.
6573 (try_crossjump_bb): Exit loop after finding a fallthru edge.
6574 If something changed, set crossjumps_occured to true.
6575 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
6576 Don't add/remove fake edges to exit here...
6577 (cleanup_cfg): ...but do it here, when crossjumping.
6578 Run a fast DCE when successful crossjumps occured in the latest
6579 iteration of try_optimize_cfg.
6581 2008-01-11 Richard Guenther <rguenther@suse.de>
6583 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
6584 (struct vn_unary_op_s): Likewise.
6585 (vn_reference_insert): Free old reference on hash collision.
6587 2008-01-10 Raksit Ashok <raksit@google.com>
6589 PR rtl-optimization/27971
6590 * combine.c (find_split_point): Split PLUS expressions which are
6591 inside a MEM rtx, and whose first operand is complex.
6593 2008-01-10 DJ Delorie <dj@redhat.com>
6595 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
6596 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
6597 (m32c_hard_regno_ok): Call the underlying function.
6599 2008-01-10 Richard Guenther <rguenther@suse.de>
6602 * tree-cfg.c (tree_merge_blocks): Do not go through the
6603 full-blown folding and stmt updating path if we just deal
6604 with virtual operands.
6605 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
6606 test for abnormal SSA_NAMEs.
6608 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
6611 * reload.c (push_reload): Add assertions. All constants from
6612 reg_equiv_constant should have been used for replacing the respective
6614 (find_reloads_address): Invoke find_reloads_address_part for
6615 constant taken from the reg_equiv_constant array.
6617 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
6619 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
6620 field (valnum) the first in the struct. Replace bools with
6623 2008-01-10 Richard Guenther <rguenther@suse.de>
6625 PR tree-optimization/34651
6626 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
6627 types and ordering for masking and converting.
6629 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
6631 PR tree-optimization/34017
6632 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
6633 also for PHI_NODE expressions.
6635 2008-01-09 Jan Hubicka <jh@suse.cz>
6637 PR tree-optimization/34708
6638 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
6639 based on number of case labels.
6640 (init_inline_once): Remove switch_cost.
6641 * tree-inline.h (eni_weights_d): Remove switch_cost.
6643 2008-01-09 Richard Guenther <rguenther@suse.de>
6644 Andrew Pinski <andrew_pinski@playstation.sony.com>
6647 * gimplify.c (gimplify_cond_expr): Do not create an addressable
6648 temporary if an rvalue is ok or an lvalue is not required.
6650 2008-01-09 Richard Guenther <rguenther@suse.de>
6653 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
6656 2008-01-09 Richard Guenther <rguenther@suse.de>
6659 * tree.c (host_integerp): Check for sizetype only if the
6660 type is an integer type.
6662 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
6665 * opts.c (decode_options): Disable inlining of functions called
6666 once if not in unit-at-a-time mode.
6668 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
6670 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
6672 2008-01-08 Richard Guenther <rguenther@suse.de>
6675 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
6676 out early if the result will be unused.
6678 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
6683 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6684 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
6687 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
6689 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
6690 for vectorization tuned.
6692 2008-01-08 Richard Guenther <rguenther@suse.de>
6694 PR tree-optimization/34683
6695 * tree-ssa-operands.c (operand_build_cmp): Export.
6696 * tree-ssa-operands.h (operand_build_cmp): Declare.
6697 * tree-vn.c (vuses_compare): Remove.
6698 (sort_vuses): Use operand_build_cmp.
6699 (sort_vuses_heap): Likewise.
6700 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
6701 to re-use old VEC if available. Do not sort already sorted VUSEs.
6702 (vdefs_to_vec): Do not sort already sorted VDEFs.
6704 2008-01-08 Jakub Jelinek <jakub@redhat.com>
6707 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
6709 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
6712 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
6713 limitations of reciprocal sequences on x86 targets.
6715 2008-01-08 Richard Guenther <rguenther@suse.de>
6717 PR tree-optimization/34683
6718 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
6720 2008-01-07 Jakub Jelinek <jakub@redhat.com>
6723 * config/darwin.c (darwin_mergeable_string_section): Don't use
6724 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
6726 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
6729 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
6730 negxf2. Macroize expander using X87MODEF mode iterator. Change
6731 predicates of op0 and op1 to register_operand.
6732 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
6733 expander using X87MODEF mode iterator. Change predicates of
6734 op0 and op1 to register_operand.
6735 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
6736 corresponding patterns and macroize using MODEF macro. Change
6737 predicates of op0 and op1 to register_operand and remove
6738 "m" constraint. Disparage "r" alternative with "!".
6739 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
6740 macroize using X87MODEF macro. Change predicates of op0 and op1
6741 to register_operand and remove "m" constraint. Disparage "r"
6742 alternative with "!".
6743 (absneg splitter with memory operands): Remove.
6744 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
6745 patterns and macroize using X87MODEF mode iterator.
6746 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
6747 Change predicate of op1 to register_operand.
6748 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
6749 for memory operands.
6751 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
6753 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
6755 2008-01-07 Richard Guenther <rguenther@suse.de>
6757 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
6760 2008-01-07 Richard Guenther <rguenther@suse.de>
6762 PR tree-optimization/34683
6763 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
6764 VOPs of the needed size to save memory. Use VEC_quick_push
6765 to save compile-time.
6766 (vdefs_to_vec): Likewise.
6768 2008-01-07 Sa Liu <saliu@de.ibm.com>
6770 * config/spu/spu.md (divdf3): Genetate inline code for double
6771 division. The implementation doesn't handle INF or NAN, therefore it
6772 only applies when -ffinite-math-only is given.
6774 2008-01-06 Paolo Carlini <pcarlini@suse.de>
6777 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
6778 * doc/cpp.texi ([Common Predefined Macros]): Document.
6780 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
6782 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
6783 order to use commutative addition instead of subtraction.
6785 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
6786 Mircea Namolaru <namolaru@il.ibm.com>
6787 Vladimir Yanovsky <yanov@il.ibm.com>
6788 Revital Eres <eres@il.ibm.com>
6790 PR tree-optimization/34263
6791 * tree-outof-ssa.c (process_single_block_loop_latch,
6792 contains_tree_r): New functions.
6793 (analyze_edges_for_bb): Call process_single_block_loop_latch
6794 function to empty single-basic-block latch block if possible.
6796 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6798 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
6800 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
6802 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
6804 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
6806 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
6808 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
6810 2008-01-05 Jakub Jelinek <jakub@redhat.com>
6812 PR tree-optimization/34618
6813 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
6816 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6819 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
6820 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
6821 Update copyright year.
6823 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
6824 Update copyright year.
6825 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
6828 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
6830 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
6831 edge does not point to current bb before changing need_assert.
6833 2008-01-04 Richard Guenther <rguenther@suse.de>
6836 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
6837 for verifying purposes if they are is_gimple_min_invariant.
6839 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
6841 PR tree-optimization/34448
6842 PR tree-optimization/34465
6843 * gimplify.c (gimplify_init_constructor): Add new parameter
6844 notify_temp_creation. Use it.
6845 (gimplify_modify_expr_rhs): Take volatiles into account when
6846 optimizing constructors.
6847 Do not optimize constructors if gimplify_init_constructor will dump to
6849 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
6850 * gcc.c-torture/compile/pr34448.c: New.
6852 2008-01-04 Jakub Jelinek <jakub@redhat.com>
6854 PR gcov-profile/34609
6855 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
6856 return_slot if result is TREE_ADDRESSABLE.
6858 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
6860 * config/mips/mips.md (sqrt_condition): Tweak comment.
6861 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
6863 2008-01-03 Tom Tromey <tromey@redhat.com>
6866 * c-common.c (c_type_hash): Handle VLAs.
6868 2008-01-03 Jan Hubicka <jh@suse.cz>
6870 PR tree-optimization/31081
6871 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
6872 0 when inlining and not inlining to first basic block.
6873 (remap_decl): When var is initialized to 0, don't set default_def.
6874 (expand_call_inline): Set entry_bb.
6875 * tree-inline.h (copy_body_data): Add entry_bb.
6877 2008-01-03 Jakub Jelinek <jakub@redhat.com>
6880 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
6883 PR tree-optimization/29484
6884 * tree-inline.c (inline_forbidden_p_2): New function.
6885 (inline_forbidden_p): Disallow inlining if some static var
6886 has an address of a local LABEL_DECL in its initializer.
6887 * doc/extend.texi (Labels as Values): Document &&foo behaviour
6890 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
6892 PR tree-optimization/34635
6893 * tree-data-ref.c (add_other_self_distances): Make sure that the
6894 evolution step is constant.
6896 2008-01-03 Jakub Jelinek <jakub@redhat.com>
6899 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
6901 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
6903 * tree-sra.c (scalarize_init): Insert the generate_element_init
6904 statements after the generate_element_zero statements.
6906 2008-01-02 Richard Guenther <rguenther@suse.de>
6910 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
6911 for very large number of operands instead of ICEing.
6913 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
6916 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
6917 while stack probing.
6919 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
6921 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
6924 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
6927 * tree-mudflap.c (mx_register_decls): Guard warning by
6928 !DECL_ARTIFICIAL check.
6930 2008-01-01 Jakub Jelinek <jakub@redhat.com>
6932 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
6933 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
6934 sse5_perm<mode>): Fix constraints.