1 2008-04-04 Vladimir Makarov <vmakarov@redhat.com>
3 * ira-costs.c: Use GPL3 in the header.
4 (find_allocno_class_costs): Use all important
5 classes on the 1st iteration.
7 2008-04-03 Vladimir Makarov <vmakarov@redhat.com>
9 PR rtl-optimization/35817
10 * ira-costs.c (ira-costs.c): Check have_regs_of_mode.
12 2008-04-02 Vladimir Makarov <vmakarov@redhat.com>
14 * ira-color.c (start_allocno_priorities): Permit zero allocno
17 2008-03-31 Vladimir Makarov <vmakarov@redhat.com>
19 * ira-color.c (push_allocnos_to_stack): Don't use double. Use
20 const as the secondary heuristic.
22 * ira-emit.c (set_allocno_reg): Change cap reg too. Process all
25 * doc/invoke.texi (-fira-coalescing): Change to -fira-coalesce.
27 * toplev.h (flag_lower_subreg): Remove.
29 * global.c (build_insn_chain): Remove the prototype.
31 * alias.c (value_addr_p): Change comment.
33 * emit-rtl.c (gen_lowpart_common): Remove CONCATN.
35 * simplify-rtx.c (simplify_subreg): Ditto.
37 * common.opt (flower-subreg): Remove.
39 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Fix last
42 2008-03-29 Vladimir Makarov <vmakarov@redhat.com>
44 * ira-lives (process_single_reg_class_operands): Fix typo in
45 setting up cover_class.
47 2008-03-28 Vladimir Makarov <vmakarov@redhat.com>
49 * ira-conflicts.c, global.c, regmove.c, function.c,
50 ira-emit.c, alias.c, reload1.c: Add comments, fix comments.
52 * reload.h: Add 2008 to the Copyright.
54 * caller-save.c: Add comments.
55 (reg_save_code, reg_restore_code, initiate_saved_hard_regs,
56 new_saved_hard_reg, finish_saved_hard_regs,
57 saved_hard_reg_compare_func, calculate_local_save_info,
58 set_up_bb_rts_numbers, rpost_cmp, calculate_save_in_out,
59 calculate_save_here, make_global_save_analysis,
60 print_hard_reg_set_and_mode, print_hard_reg_set, print_save_data,
61 set_hard_reg_saved, add_stored_regs): Add prototypes.
63 * df-scan.c (df_get_call_refs): Use
64 get_call_invalidated_used_regs.
66 * ira-int.h: Add comments.
67 (loop_tree_node): Rename inner to children.
68 (ira_allocate_regset, ira_free_regset): Remove.
69 (reassign_conflict_allocnos): Remove one parameter.
71 * ira-color.c: Add comments.
72 (setup_curr_costs): Rename to update_curr_costs.
73 (allocno_cost_compare_func, print_coalesced_allocno,
74 allocno_reload_assign): Add prototypes.
75 (reassign_conflict_allocnos): Remove one parameter.
77 * ira-lives.c: Add comments.
78 (make_regno_dead, make_regno_born_and_dead,
79 create_start_finish_chains, print_allocno_live_ranges,
80 print_live_ranges): Add protoypes.
82 * ira-build.c: Add comments.
83 (copy_allocno_live_range_list): Make it static.
85 * ira.c: Add comments.
86 (setup_cover_classes): Rename to
87 setup_cover_and_important_classes.
88 (free_register_move_costs, chain_freq_compare, chain_bb_compare,
90 (mode_inner_mode, setup_inner_mode, ira_allocate_regset,
91 ira_free_regset): Remove.
93 * ira.h: Add comments.
94 (SECONDARY_INPUT_RELOAD_CLASS,
95 SECONDARY_OUTPUT_RELOAD_CLASS, HAVE_SECONDARY_RELOADS,
96 MEMORY_MOVE_COST, reg_equiv_memory_loc_varray, reg_equiv_constant,
97 reg_equiv_memory_loc, reg_equiv_address, reg_equiv_mem, ira):
100 * ira-costs.c: Add comments.
101 (find_allocno_class_costs): Make common class a cover class.
103 2008-03-20 Vladimir Makarov <vmakarov@redhat.com>
105 * ira-int.h (allocno): Rename conflict_allocno_vec and
106 conflict_allocno_vec_size into conflict_allocno_array and
107 conflict_allocno_array_size. Remove conflict_allocnos_num.
108 Rename total_conflict_allocnos_num into conflict_allocnos_num New
109 members child_renamed_p and conflict_vec_p.
110 (ALLOCNO_CONFLICT_ALLOCNO_VEC): Rename to
111 ALLOCNO_CONFLICT_ALLOCNO_ARRAY.
112 (ALLOCNO_CONFLICT_ALLOCNO_VEC_SIZE): Rename to
113 ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE.
114 (ALLOCNO_CHILD_RENAMED_P, ALLOCNO_CONFLICT_VEC_P): New macros.
115 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Change to
116 FOR_EACH_ALLOCNO_IN_SET.
117 (allocno_set_iterator): New typedef.
118 (allocno_set_iter_init, allocno_set_iter_cond,
119 allocno_set_iter_next): New functions.
120 (conflict_vector_profitable_p, allocate_allocno_conflict_vec): New
122 (allocno_iterator): New typedef.
123 (allocno_iter_init, allocno_iter_cond): New functions.
124 (FOR_EACH_ALLOCNO): New macro.
125 (copy_iterator): New typedef.
126 (copy_iter_init, copy_iter_cond): New functions.
127 (FOR_EACH_COPY): New macro.
128 (allocno_conflict_iterator): New typedef.
129 (allocno_conflict_iter_init, allocno_conflict_iter_cond,
130 allocno_conflict_iter_next): New functions.
131 (conflict_vector_profitable_p, allocate_allocno_conflict_vec): New
133 (FOR_EACH_ALLOCNO_CONFLICT): New macro.
135 * ira-conflicts.c (conflicts): Change type.
136 (CONFLICT_P): Use one more index for conflicts.
137 (build_conflict_bit_table): Change allocation and initialization
139 (mirror_conflicts): Rewrite.
140 (remove_conflict_allocno_copies): Use FOR_EACH_ALLOCNO.
141 (build_allocno_conflict_vects): Rename to build_allocno_conflicts.
143 (print_conflicts): Use FOR_EACH_ALLOCNO, don't print star.
144 (ira_build_conflicts): Use FOR_EACH_ALLOCNO.
146 * ira-color.c (assign_hard_reg): Use FOR_EACH_ALLOCNO_CONFLICT.
147 Use min_full_cost for finding register profitability.
148 (push_allocno_to_stack): Use FOR_EACH_ALLOCNO_CONFLICT.
149 (setup_allocno_left_conflicts_num, coalesced_allocno_conflict_p):
151 (move_spill_restore): Use FOR_EACH_ALLOCNO.
152 (reassign_conflict_allocnos): Ditto. Use
153 FOR_EACH_ALLOCNO_CONFLICT.
154 (sort_regnos_for_alter_reg): Use FOR_EACH_ALLOCNO.
155 (reassign_pseudos): Use FOR_EACH_ALLOCNO_CONFLICT.
157 * ira-lives.c (make_regno_born, clear_allocno_live,
158 mark_reg_death, process_single_reg_class_operands,
159 process_bb_node_lives): Use FOR_EACH_ALLOCNO_IN_SET.
160 (create_start_finish_chains, print_live_ranges): Use
163 * ira-emit.c (set_allocno_reg): Set up ALLOCNO_CHILD_RENAMED_P.
164 (set_allocno_somewhere_renamed_p): Use
165 ALLOCNO_CONFLICT_ALLOCNO_ARRAY.
166 (ira_emit): Use FOR_EACH_ALLOCNO.
168 * ira.c (setup_reg_renumber, setup_allocno_assignment_flags,
169 calculate_allocation_cost, check_allocation,
170 print_redundant_copies, setup_preferred_alternate_classes): Use
173 * ira-costs.c (print_costs, setup_allocno_cover_class_and_costs,
174 ira_costs, tune_allocno_costs_and_cover_classes): Use
177 * ira-build.c (check_allocno_conflict_vec): Remove.
178 (add_to_allocno_conflict_vec): Rename to
179 allocate_allocno_conflicts. Rewrite.
180 (allocate_allocno_conflict_bit_vec, allocate_allocno_conflicts,
181 remove_wrong_conflicts, change_allocno_conflicts): New functions.
182 (rebuild_regno_allocno_maps): Use FOR_EACH_ALLOCNO.
183 (create_allocno): Initialize ALLOCNO_CHILD_RENAMED_P and
184 ALLOCNO_CONFLICT_VEC_P.
185 (conflict_vector_profitable_p): New function.
186 (compress_allocno_conflict_vec): Use
187 ALLOCNO_CONFLICT_ALLOCNO_ARRAY and don't use
188 ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM.
189 (compress_conflict_vecs): Use FOR_EACH_ALLOCNO. Check
190 ALLOCNO_CONFLICT_VEC_P.
191 (propagate_info_to_cap): Use FOR_EACH_ALLOCNO_CONFLICT.
192 (finish_allocnos): Use FOR_EACH_ALLOCNO.
193 (finish_copies): Use FOR_EACH_COPY.
194 (check_and_add_conflicts): Change second parameter. Use
195 add_to_allocno_conflicts instead of add_to_allocno_conflict_vec.
196 (temp_change_bit_vec): New variable.
197 (ira_flattening): Use FOR_EACH_ALLOCNO and FOR_EACH_COPY. Use
198 remove_wrong_conflicts, change_allocno_conflicts. Allocate and
199 free temp_change_bit_vec. Nullify `allocnos' elements for removed
200 allocnos. Check ALLOCNO_CHILD_RENAMED_P for removing obsolete
201 conflicts. Don't compress and enumerate allocnos and copies.
202 Nullify `copies' elements for removed copies. Use
203 add_to_allocno_conflicts instead of add_to_allocno_conflict_vec.
204 (ira_build): Use FOR_EACH_ALLOCNO.
206 2008-03-18 Vladimir Makarov <vmakarov@redhat.com>
208 * common.opt (fira-algorithm): Fix description
210 * ira-int.h (allocno): Remove best_class.
211 (ALLOCNO_BEST_CLASS): Remove.
212 (strict_class_subset_p): Remove.
214 * ira-color.c (get_coalesced_allocnos_best_class_and_freq): Rename
215 to get_coalesced_allocnos_attributes. Change prototype.
216 Calculate available regs.
217 (bucket_allocno_compare_func, sort_bucket): New functions.
218 (sorted_allocnos_for_spilling): New variable.
219 (assign_hard_reg): Don't add prohibited_class_mode_regs to
220 conflicting_regs. Use it in loop for finding the best hard
222 (add_allocno_to_ordered_bucket): Use bucket_allocno_compare_func.
223 (push_only_colorable): Call sort_bucket.
224 (push_allocnos_to_stack): Use sorted_allocnos_for_spilling instead
226 (put_allocno_into_bucket): Use add_allocno_to_bucket instead of
227 add_allocno_to_ordered_bucket.
228 (initiate_ira_assign): Allocate sorted_allocnos_for_spilling.
229 (finish_ira_assign): Free sorted_allocnos_for_spilling.
231 * ira-emit.c (modify_move_list): Remove setting ALLOCNO_BEST_CLASS
234 * ira-build.c (create_allocno, create_cap_allocno): Ditto.
236 * ira.c (strict_class_subset_p): Remove.
237 (setup_class_subset_and_memory_move_costs): Remove setting
238 strict_class_subset_p up.
240 * ira-costs.c (setup_allocno_cover_class_and_costs): Remove
241 setting ALLOCNO_BEST_CLASS up.
243 2008-03-12 Vladimir Makarov <vmakarov@redhat.com>
245 * ira-int.h (allocno_pool, copy_pool, allocno_live_range_pool):
246 Remove external definitions.
247 (free_allocno_updated_costs, allocate_cost_vector,
248 free_cost_vector): New prototypes.
249 (allocate_and_set_costs, allocate_and_copy_costs,
250 allocate_and_set_or_copy_costs): Change prototypes. Use
251 allocate_cost_vector instead of ira_allocate.
253 * ira-conflicts.c (add_insn_allocno_copies): Pass register class
254 to allocate_and_set_costs.
256 * ira-color.c (update_copy_costs_1): Pass register class to
257 allocate_and_set_or_copy_costs.
258 (assign_hard_reg): Pass register class to allocate_and_copy_costs.
260 (pop_allocnos_from_stack, color_allocnos): Check updated costs.
261 (color_pass): Pass register class to allocate_and_set_costs. Free
263 (move_spill_restore): Check reg equivalences.
264 (setup_curr_costs): Pass register class to
265 allocate_and_set_or_copy_costs.
266 (reassign_conflict_allocnos, allocno_reload_assign): Check updated
268 (calculate_spill_cost): Use REG_N_REFS after checking regno.
270 * ira-lives.c (process_single_reg_class_operands): Pass register
271 class to allocate_and_set_costs.
273 * ira-build.c (allocno_pool, allocno_live_range_pool): New
275 (initiate_allocnos): Initiate the pools.
276 (free_allocno_updated_costs): New function.
277 (finish_allocno): Use free_cost_vector. Free the pools.
278 (copy_pool): New variable.
279 (initiate_copies): Initiate the pool.
280 (cost_vector_pool): New variable.
281 (initiate_cost_vectors, allocate_cost_vector, free_cost_vector,
282 finish_cost_vectors): New functions.
283 (ira_flattening): Call free_allocno_updated_costs. Check updated
285 (ira_build): Call initiate_cost_vectors.
286 (ira_destroy): Call finish_cost_vectors.
288 * ira.c (find_reg_equiv_invariant_const): Check read only memory.
289 (setup_reg_renumber, setup_allocno_assignment_flags): Call
290 free_allocno_updated_costs.
291 (ira): Remove initializations and freeing allocno_pool, copy_pool,
292 and allocno_live_range_pool. Call generate_setjmp_warnings.
294 * ira-costs.c (process_bb_node_for_hard_reg_moves,
295 tune_allocno_costs_and_cover_classes): Pass register class to
296 allocate_and_set_costs.
298 * caller-save.c (save_slots_num, save_slots): New variables.
299 (init_save_areas): Initiate save_slots_num.
300 (setup_save_areas): Use stack slots from the previous reload
301 iteration independetly what slot was used on the previous pass.
303 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
305 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
306 Remove commutativity hint.
308 2008-03-06 Vladimir Makarov <vmakarov@redhat.com>
310 * ira.h (sort_regnos_for_alter_reg): Add parameter.
312 * reload1.c (reload): Pass additional argument to
313 sort_regnos_for_alter_reg.
315 * ira-int.h (reg_equiv_len): New global variable.
317 * ira-emit.c (change_loop): Add assertion.
319 * ira.c (reg_equiv_len): New global variable.
320 (setup_reg_renumber): Use reg_equiv_len in assertion.
321 (ira): Initialize reg_equiv_len and spilled_reg_stack_slots.
323 * ira-color.c (coalesced_pseudo_reg_compare): Rename to
324 coalesced_pseudo_reg_freq_compare.
325 (coalesced_pseudo_reg_slot_compare,
326 setup_coalesced_allocno_costs_and_nums,
327 collect_spilled_coalesced_allocnos, coalesce_spill_slots): New
329 (coalesced_allocno_conflict_p): Add new parameter. Use live
330 ranges to find conflicts for the reload.
331 (coalesce_allocnos): Don't coalesce allocnos with equivalences.
332 (color_pass): Check reg_quiv_len.
333 (regno_max_ref_width): New variable.
334 (sort_regnos_for_alter_reg): Add secondary coalescing spilled
335 allocnos. Assign stack slot numbers. Use costs instead of
337 (mark_allocation_change): Set up allocno hard regno.
338 (allocno_reload_assign): Ditto.
339 (reuse_stack_slot): Use stack slot numbers.
340 (mark_new_stack_slot): Set up allocno slot number.
342 * doc/passes.texi: Add more info about IRA.
344 2008-03-03 Vladimir Makarov <vmakarov@redhat.com>
346 * ira-conflicts.c (allocno_conflict_p): Rename to
347 allocno_live_ranges_intersect_p.
348 (allocno_reg_conflict_p): Rename to
349 pseudo_live_ranges_intersect_p.
351 * ira-lives.c (high_pressure_start_point): New variable.
352 (update_allocno_pressure_excess_length): New function.
353 (make_regno_dead): Call it.
354 (set_allocno_live): Udpate high_pressure_start_point.
355 (clear_allocno_live, mark_reg_store, mark_reg_death): Ditto.
356 (process_bb_node_lives): Initialize high_pressure_start_point.
357 Consider only allocatable hard regs for liveness.
359 * ira-costs.c (record_reg_classes): Multiply cost by frequency.
360 Use half frequency when memory is allowed. Remove check for
361 prefferred small register classes of pseudo-registers.
362 (scan_one_insn): Continue processing operands for moves of
363 pseudo-registers with equivalence. Don't multiply cost by
365 (init_ira_costs): Use bigger initial cost value.
368 (allocno): New members somewhere_renamed_p and
369 excess_pressure_points_num.
370 (ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_EXCESS_PRESSURE_POINTS_NUM):
372 (allocno_reg_conflict_p): Rename to
373 pseudo_live_ranges_intersect_p.
374 (allocno_conflict_p): Rename to allocno_live_ranges_intersect_p.
376 * ira.h (sort_regnos_for_alter_reg, better_spill_reload_regno_p):
377 New function prototypes.
379 * ira-color.c (merge_allocnos): Remove mode check.
380 (coalesce_allocnos): Add parameter and modify to use it for
381 coalescing spilled allocnos.
382 (color_allocnos): Pass parameter to coalesce_allocnos.
383 (regno_coalesced_allocno_freq, regno_coalesced_allocno_num): New
385 (coalesced_pseudo_reg_compare, calculate_spill_cost,
386 sort_regnos_for_alter_reg, better_spill_reload_regno_p): New
388 (mark_allocation_change, allocno_reload_assign, reassign_pseudos
389 ): Use ALLOCNO_MEMORY_COST instead of ALLOCNO_UPDATED_MEMORY_COST.
390 (reuse_stack_slot): Use pseudo_live_ranges_intersect_p instead of
391 allocno_reg_conflict_p.
393 * ira-emit.c (set_allocno_somewhere_renamed_p): New function.
394 (renamed_regno_bitmap): New static variable.
395 (change_loop): Check register pressure for creating new pseudo.
396 Set up ALLOCNO_SOMEWHERE_RENAMED_P and renamed_regno_bitmap.
397 (ira_emit): Allocate/deallocate renamed_regno_bitmap.
398 Call set_allocno_somewhere_renamed_p.
400 * ira-build.c (ira_loops): Move to ira.c.
401 (create_allocno): Initialize ALLOCNO_SOMEWHERE_RENAMED_P and
403 (create_cap_allocno): Set up ALLOCNO_MEMORY_COST.
404 (check_and_add_conflicts): Use allocno_live_ranges_intersect_p
405 instead of allocno_conflict_p.
406 (ira_flattening): Check conflicts of allocno renamed somewhere
407 locally. Update ALLOCNO_EXCESS_PRESSURE_POINTS_NUM.
408 (ira_build): Move code for finding loops to ira.c.
409 (ira_destroy): Move code for freeing loops to ira.c.
411 * ira.c (setup_reg_class_intersect_union): Fix calculation of
413 (calculate_allocation_cost): Use ALLOCNO_MEMORY_COST instead of
414 ALLOCNO_UPDATED_MEMORY_COST.
415 (ira_loops): Move from ira-build.c.
416 (ira): Move code for finding and freeing loops from ira-build.c.
417 Don't use regional RA when there are too many loops.
419 * reload1.c (pseudo_reg_compare): Remove.
420 (reload): Use sort_regnos_for_alter_reg.
421 (hard_regno_to_pseudo_regno): New variable.
422 (count_pseudo): Set up hard_regno_to_pseudo_regno.
423 (order_regs_for_reload): Initialize hard_regno_to_pseudo_regno.
424 (count_spilled_pseudo): Update hard_regno_to_pseudo_regno.
425 (find_reg): Use better_spill_reload_regno_p. Check
426 hard_regno_to_pseudo_regno.
428 * cfgloopanal.c: Include params.h.
429 (estimate_reg_pressure_cost): Check number of loops.
431 * params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
433 * params.h (IRA_MAX_LOOPS_NUM): New macro.
435 * Makefile.in (cfgloopanal.o): Add PARAMS_H.
437 * doc/invoke.texi (ira-max-loops-num): Describe.
439 2008-02-20 Vladimir Makarov <vmakarov@redhat.com>
441 * ira.h, ira-emit.c: Add year 2008 to the copyright.
444 (struct copy): Rename move_insn to insn.
445 (initiate_ira_assign, finish_ira_assign, debug_allocno_copies):
446 New function prototypes.
448 * ira-build.c: Add year 2008 to the copyright. Rename member
449 move_insn of the copies to insn.
450 (find_allocno_copy): New function.
451 (propagate_info_to_cap, add_allocno_copy): Use it.
452 (print_allocno_copies, debug_allocno_copies): New functions.
454 * ira-conflicts.c: Add year 2008 to the copyright. Rename member
455 move_insn of the copies to insn.
458 (setup_reg_class_intersect_union): Fix reg_class_union for cover
460 (ira): Call initiate_ira_assign and finish_ira_assign. Remove
461 setting reload_completed up.
463 * ira-costs.c: Add year 2008 to the copyright.
464 (ira_costs): Check modes of registers.
466 * ira-lives.c: Add year 2008 to the copyright.
467 (mark_reg_store, mark_reg_death, process_bb_node_lives): Don't use
469 (process_single_reg_class_operands): Check that the hard reg
470 belongs to the cover class.
472 * ira-color.c: Add year 2008 to the copyright. Rename member
473 move_insn of the copies to insn.
474 (initiate_cost_update, finish_cost_update, update_copy_costs_1):
476 (allocno_update_cost_check, update_cost_check): New static
478 (update_copy_costs): Increment update_cost_check. Call
480 (coalesce_allocnos): Don't coalesce already assigned allocnos or
481 copies with null insn.
482 (color_pass): Check loop tree node of the subloop allocno.
483 (finish_allocno_priorities): Remove.
484 (do_coloring): Move allocation/deallocation of
485 consideration_allocno_bitmap into initiate_cost_update and
487 (reassign_conflict_allocnos): Remove allocation/deallocation of
488 sorted_allocnos. Remove call of finish_allocno_priorities.
489 (reassign_pseudos): Remove allocation/deallocation of
490 consideration_allocno_bitmap and sorted_allocnos. Remove call of
491 finish_allocno_priorities.
492 (initiate_ira_assign, finish_ira_assign): New fucntions.
493 (ira_color): Remove allocation/deallocation of sorted_allocnos.
494 Call initiate_ira_assign and finish_ira_assign.
496 * postreload.c (gate_handle_postreload): Don't do post reload
497 optimizations unless the reload is completed.
499 * cfgloopanal.c (estimate_reg_pressure_cost): Return zero if we
502 * recog.c (peep2_free_reg_search_ofs): New static variable.
503 (peep2_find_free_register): Remove search_ofs. Use
504 peep2_free_reg_search_ofs instead of it.
505 (peephole2_optimize): Reset peep2_free_reg_search_ofs.
507 2008-01-10 Vladimir Makarov <vmakarov@redhat.com>
509 * reload1.c (compute_use_by_pseudos): Permits spilled registers in
511 (temp_pseudo_reg_arr): New variable.
512 (reload): Use instead temp_pseudo_reg_arr of pseudo_regs. Move
513 freeing to the function end. Don't clear spilled_pseudos for IRA.
514 Restore original insn chain for IRA.
515 (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
516 (count_pseudo, count_spilled_pseudo): Check spilled pseudos.
517 (alter_reg): Set up spilled_pseudos.
518 (finish_spills): Set up pseudo_previous_regs only for spilled
519 pseudos. Call reassign_pseudos once for all spilled pseudos,
520 pass more arguments. Don't clear live_throughout and dead_or_set
523 2008-01-10 Vladimir Makarov <vmakarov@redhat.com>
525 * reload1.c (compute_use_by_pseudos): Permits spilled registers in
527 (temp_pseudo_reg_arr): New variable.
528 (reload): Use instead temp_pseudo_reg_arr of pseudo_regs. Move
529 freeing to the function end. Don't clear spilled_pseudos for IRA.
530 Restore original insn chain for IRA.
531 (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
532 (count_pseudo, count_spilled_pseudo): Check spilled pseudos.
533 (alter_reg): Set up spilled_pseudos.
534 (finish_spills): Set up pseudo_previous_regs only for spilled
535 pseudos. Call reassign_pseudos once for all spilled pseudos,
536 pass more arguments. Don't clear live_throughout and dead_or_set
539 * global.c (reg_becomes_live, build_insn_chain): Don't ignore
540 spilled pseudos for IRA.
542 * caller-save.c (calculate_local_save_info,
543 save_call_clobbered_regs): Ignore spilled pseudos for IRA.
545 * toplev.c (backend_init_target): Call init_ira.
546 (backend_init): Move call of init_ira_once before
549 * ira.h (init_ira, sort_insn_chain, mark_memory_move_deletion):
550 New function prototypes.
551 (retry_ira_color): Rename to reassign_pseudos. Change
554 * ira-int.h (allocno): New member dont_reassign_p.
555 (ALLOCNO_DONT_REASSIGN_P): New macro.
556 (memory_move_cost): Change element type.
557 (register_move_cost): Change type.
558 (register_may_move_in_cost, register_may_move_out_cost,
559 reg_class_intersect): New arrays.
560 (important_class_nums): Fix element type.
561 (hard_reg_not_in_set_p): Make it static inline.
562 (init_register_move_cost, init_ira_costs): New function
564 (allocno_conflict_index): Remove.
565 (allocate_and_set_costs, allocate_and_copy_costs,
566 allocate_and_set_or_copy_costs): New static inline functions.
568 * ira-build.c (compress_allocno_conflict_vec,
569 compress_conflict_vecs): New functions.
570 (allocno_conflict_index): Remove.
571 (allocno_conflict_check, curr_allocno_conflict_check_tick): New
573 (propagate_info_to_cap): Use allocate_and_copy_costs.
574 (check_and_add_conflicts): Don't call allocno_conflict_index.
575 (ira_flattening): Add some assertions. Check that cost vectors
576 have been allocated. Don't call allocno_conflict_index. Call
577 compress_conflict_vecs.
579 * ira.c (memory_move_cost, register_move_cost): Change types.
580 (register_may_move_in_cost, register_may_move_out_cost,
581 strict_class_subset_p): New variables.
582 (setup_class_subset_and_move_costs): Rename to
583 setup_class_subset_and_memory_move_costs. Remove
584 register_move_cost setup. Don't consider no_unit_alloc_regs. Add
585 strict_class_subset_p setup.
586 (setup_reg_class_intersect): Rename to
587 setup_reg_class_intersect_union. Don't consider
588 no_unit_alloc_regs. Add reg_class_union setup.
589 (hard_reg_not_in_set_p): Move to ira-int.h.
590 (setup_reg_subclasses): Use no_unit_alloc_regs instead of
591 fixed_reg_set. Don't consider no_unit_alloc_regs.
592 (important_class_nums): Fix element type.
593 (setup_cover_classes): Use no_unit_alloc_regs instead of
594 fixed_reg_set. Don't consider no_unit_alloc_regs.
595 (setup_class_translate): Ditto.
596 (reg_class_union): New variable.
597 (init_register_move_cost, free_register_move_costs): New
599 (init_ira_once): Initialize register_move_cost,
600 register_may_move_in_cost, register_may_move_out_cost. Move some
602 (init_ira): New function. Move some code from init_ira_once.
603 Call free_register_move_costs and init_ira_costs.
604 (calculate_allocation_cost): Check allocation of allocno hard reg
606 (basic_block_order_nums): New variable.
607 (chain_freq_compare, chain_bb_compare, sort_insn_chain): New
609 (ira): Call sort_insn_chain.
611 * ira-color.c (allocno_coalesced_p): New variable.
612 (update_copy_costs): Use allocate_and_set_or_copy_costs.
613 (assign_hard_reg): Clear and use
614 processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
615 Use allocate_and_copy_costs. Use allocno cover class cost if the
616 hard register cost vector is not allocated.
617 (get_coalesced_allocnos_best_class_and_freq): Use
618 reg_class_intersect instead of reg_class_subintersect.
619 (add_allocno_to_ordered_bucket): Use strict_class_subset_p.
620 (push_allocno_to_stack): Clear and use
621 processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
622 (setup_allocno_left_conflicts_num): Don't setup
623 ALLOCNO_UPDATED_HARD_REG_COSTS and
624 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS. Clear and use
625 processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
626 (put_allocno_into_bucket): Don't setup
627 ALLOCNO_UPDATED_HARD_REG_COSTS and
628 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.
629 (coalesced_allocno_conflict_p): Clear and use
630 processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
631 (coalesce_allocnos): Setup allocno_coalesced_p.
632 (color_allocnos): Add processing reg class NO_REGS.
633 (color_pass): Propagate assignment of spilled allocno not
634 mentioned in the subregion for the mixed algorithm. Use
635 allocate_and_set_costs.
636 (move_spill_restore, mark_allocation_change): Check unallocated
637 hard reg cost vectors.
638 (setup_curr_costs): Don't setup ALLOCNO_UPDATED_HARD_REG_COSTS and
639 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS. Use
640 allocate_and_set_or_copy_costs.
641 (mark_memory_move_deletion, allocno_reload_assign,
642 pseudo_reg_compare, reassign_pseudos): New functions.
643 (retry_ira_color): Remove.
645 * ira-conflicts.c (add_insn_allocno_copies): Use
646 allocate_and_set_costs.
647 (allocno_conflict_p): Simplify the code.
649 * ira-costs.c: Rename reg_class_subunion to reg_class_union
651 (cost_classes, cost_classes_num, cost_class_nums,
652 max_struct_costs_size): New variables.
653 (copy_cost): Use init_register_move_cost instead of
655 (record_reg_classes): Ditto. Use cost_classes and
656 cost_classes_num instead of important_classes and
657 important_classes_num. Use register_may_move_{in,out}_cost
658 instead of may_move_{in,out}_cost. Check reg class intersection
660 (record_address_regs): Use init_register_move_cost instead of
661 init_move_cost. Use cost_classes and cost_classes_num instead of
662 important_classes and important_classes_num. Use
663 register_may_move_in_cost instead of may_move_in_cost.
664 (scan_one_insn): Use cost_classes_num instead of
665 important_classes_num.
666 (print_costs): Use cost_classes and cost_classes_num instead of
667 important_classes and important_classes_num.
668 (find_allocno_class_costs): Initialize cost_classes and
669 cost_class_nums. Use cost_classes and cost_classes_num instead of
670 important_classes and important_classes_num.
671 (process_bb_node_for_hard_reg_moves): Use allocate_and_set_costs.
672 (setup_allocno_cover_class_and_costs): Use cost_classes and
673 cost_classes_num instead of important_classes and
674 important_classes_num.
675 (init_ira_costs_once): Move some code to init_ira_costs. Initiate
677 (free_ira_costs: New function. Move some code from
678 finish_ira_costs_once.
679 (init_ira_costs): New function. Move some code from
680 init_ira_costs_once. Use max_struct_costs_size instead of
681 struct_costs_size. Call free_ira_costs. Allocate cost_classes.
682 (finish_ira_costs_once): Move some code to finish_ira_costs. Call
684 (ira_costs): Use max_struct_costs_size instead of
685 struct_costs_size. Use allocate_and_set_costs.
687 * ira-emit.c (modify_move_list): Remove allocation of hard reg
690 * ira-lives.c (process_single_reg_class_operands): Add new
691 parameter freq. Calculate costs basing on the frequency.
692 (process_bb_node_lives): Pass the frequency to
693 process_single_reg_class_operands.
695 2007-12-17 Vladimir Makarov <vmakarov@redhat.com>
697 * doc/invoke.texi (fira-algoirthm): Remove prioirity coloring.
698 Make mixed the default.
700 * flags.h (ira_algorithm): Remove IRA_ALGORITHM_PRIORITY.
702 * ira-color.c (priority_coloring): Remove.
703 (do_coloring): Don't call priority_coloring.
705 * opts.c (common_handle_option): Remove priority coloring option.
707 * toplev.c (flag_ira_algorithm): Assign IRA_ALGORITHM_MIXED.
709 * ira-build.c (check_and_add_conflicts, ira_flattening): Increase
710 threshold for internal_flag_ira_verbose.
712 2007-12-17 Vladimir Makarov <vmakarov@redhat.com>
714 * common.opt (fira-assign-after-call-split, fira-biased-coloring,
715 fira-split-around-calls): Remove.
716 (fdump-simple-rtl, fira-verbose): New options.
717 (fira, fira-coalesce): Initiate by 0.
719 * opts.c (common_handle_option): Process flag_ira_verbose.
721 * flags.h (flag_ira_verbose): New external definition.
723 * toplev.h (flag_ira_assign_after_call_split,
724 flag_ira_biased_coloring, flag_ira_split_around_calls): Remove.
726 * toplev.c (flag_ira_verbose): New external declaration.
727 (finalize): Call finish_ira_once.
729 * print-rtl.c (flag_simple): Rename to flag_dump_simple_rtl.
731 * doc/invoke.texi (-fno-ira-assign-after-call-split,
732 -fira-biased-coloring, -fno-ira-split-around-calls): Remove.
733 (-fdump-simple-rtl, -fira-verbose): New options.
735 * caller-save.c (insert_restore, insert_save): Use
736 adjust_address_nv instead of adjust_address. Check the mode by
739 * ira-call.c: Remove file.
741 * ira-lives.c: New file.
743 * Makefile.in (ira-live.o): Add
744 (ira-call.o): Remove.
745 (IRA_INT_H): Add alloc-pool.h.
747 * ira.h (finish_ira_once): New external definition.
749 * ira-int.h (internal_flag_ira_verbose, alloc_pool allocno_pool,
750 copy_pool, allocno_live_range_pool, ira_loop_tree_height,
751 max_point, start_point_ranges, finish_point_ranges,
752 prohibited_mode_move_regs, important_class_nums,
753 ira_curr_regno_allocno_map, allocno_set_words): New external
755 (loop_tree_node_t, allocno_live_range_t): New typedefs. Use them
757 (ira_loop_tree_node): Rename to loop_tree_node.
758 (loop_tree_node): New member level.
759 (allocno_live_range): New structure.
760 (allocno): New members nrefs, live_ranges,
761 total_conflict_hard_regs, conflict_allocnos_num,
762 total_conflict_allocnos_num, mem_optimized_dest,
763 mem_optimized_dest_p, total_no_stack_reg_p. Remove members
764 conflict_allocno_vec_active_size and original_memory_cost. Rename
765 member curr_hard_reg_costs to updated_hard_reg_costs.
766 (ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM,
767 ALLOCNO_TOTAL_CONFLICT_HARD_REGS, ALLOCNO_CONFLICT_ALLOCNOS_NUM,
768 ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM, ALLOCNO_NREFS,
769 ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
770 ALLOCNO_TOTAL_NO_STACK_REG_P, ALLOCNO_LIVE_RANGES): New access
772 (ALLOCNO_CONFLICT_ALLOCNO_VEC_ACTIVE_SIZE,
773 ALLOCNO_ORIGINAL_MEMORY_COST): Remove.
774 (ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS): Rename to
775 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.
776 (allocno_copy): New member loop_tree_node.
777 (INT_BITS, INT_TYPE, EXECUTE_IF_SET_IN_ALLOCNO_SET): Move from
779 (SET_ALLOCNO_SET_BIT, CLEAR_ALLOCNO_SET_BIT,
780 TEST_ALLOCNO_SET_BIT): New macros.
781 (ira_reallocate, allocno_conflict_index, add_allocno_conflict,
782 create_allocno_live_range, finish_allocno_live_range,
783 add_allocno_copy_to_list, swap_allocno_copy_ends_if_necessary,
784 remove_allocno_copy_from_list, add_allocno_copy, ira_flattening,
785 finish_ira_costs_once, rebuild_start_finish_chains,
786 print_live_range_list, debug_live_range_list,
787 debug_allocno_live_ranges, debug_live_ranges,
788 create_allocno_live_ranges, finish_allocno_live_ranges,
789 allocno_conflict_p, loop_edge_freq): New external function
791 (hard_reg_in_set_p, original_regno_call_crossed_p,
792 ira_max_regno_before, ira_max_regno_call_before): Remove.
793 (traverse_loop_tree): Add new parameter type.
794 (create_copy): Ditto.
795 (debug_conflicts, ira_emit, add_allocno_copy): Add parameter.
796 (debug_ira_call_data, split_around_calls, get_around_calls_regno):
799 * ira.c (setup_prohibited_mode_move_regs): New function.
800 (internal_flag_ira_verbose, allocno_pool, copy_pool,
801 allocno_live_range_pool, important_class_nums): New external
803 (IRA_NO_OBSTACK): Uncomment it.
804 (ira_reallocate): New function.
805 (setup_cover_classes): Set up important_class_nums.
806 (finish_ira_once): New function.
807 (prohibited_mode_move_regs,
808 prohibited_mode_move_regs_initialized_p): New global variables.
809 (setup_prohibited_mode_move_regs): New function.
810 (setup_reg_renumber): Remove parameters.
811 (setup_allocno_assignment_from_reg_renumber): Rename to
812 setup_allocno_assignment_flags. Set up ALLOCNO_ASSIGNED_P.
813 (calculate_allocation_cost): Use ALLOCNO_UPDATED_MEMORY_COST.
814 (ira_max_regno_before, ira_max_regno_call_before): Remove.
815 (ira): Set up internal_flag_ira_verbose. Call
816 setup_prohibited_mode_move_regs. Create and destroy allocno,
817 copy, and live range pools. Remove original_regno_call_crossed_p.
818 Report major passes. Use argument for ira_emit. Call
819 ira_flattening and df_analyze. Remove live range splitting around
822 * ira-build.c (setup_loop_tree_level, rebuild_regno_allocno_maps,
823 expand_calls, compress_calls, allocno_conflict_index,
824 add_to_allocno_conflict_vec, propagate_info_to_cap,
825 copy_allocno_live_range, copy_allocno_live_range_list,
826 finish_allocno, finish_copy,
827 propagate_info_to_loop_tree_node_caps, merge_ranges,
828 common_loop_tree_node_dominator, check_and_add_conflicts,
829 add_conflict_with_underlying_allocnos, ira_flattening): New
831 (check_coalesced_allocnos): Remove.
832 (ira_loop_tree_height): New external variable.
833 (form_loop_tree): Call setup_loop_tree_level.
834 (initiate_calls): Allocate a bit more. (create_allocno): Use
835 pool_alloc. Set up ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM,
836 ALLOCNO_TOTAL_CONFLICT_HARD_REGS, ALLOCNO_NREFS,
837 ALLOCNO_TOTAL_NO_STACK_REG_P, ALLOCNO_MEM_OPTIMIZED_DEST,
838 ALLOCNO_MEM_OPTIMIZED_DEST_P, ALLOCNO_UPDATED_MEMORY_COST, and
839 ALLOCNO_LIVE_RANGES. Rename
840 ALLOCNO_CONFLICT_ALLOCNO_VEC_ACTIVE_SIZE,
841 ALLOCNO_CURR_HARD_REG_COSTS, and
842 ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS to
843 ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_UPDATED_HARD_REG_COSTS, and
844 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.
845 (add_allocno_conflict): Make it external. Use
846 add_to_allocno_conflict_vec.
847 (create_cap_allocno): Move part of code to propagate_info_to_cap.
848 (finish_allocnos): Use finish_allocno.
849 (add_allocno_copy_to_list, remove_allocno_copy_from_list,
850 swap_allocno_copy_ends_if_necessary, add_allocno_copy): Move from
851 ira-conflicts.c. Make them external.
852 (create_copy): Use pool_alloc. Add parameter loop_tree_node.
853 (finish_copies): Use finish_copy.
854 (ira_curr_regno_allocno_map): New external variable.
855 (traverse_loop_tree): Add parameter bb_first_p.
856 (create_insn_allocnos): Update ALLOCNO_NREFS.
857 (create_loop_tree_node_allocnos): Traverse loop tree nodes with
858 BBs first. Update ALLOCNO_NREFS.
859 (create_loop_tree_node_caps): Move part of code to
860 propagate_info_to_loop_tree_node_cap.
861 (regno_top_level_allocno_map): New global variable.
862 (ira_build): Create caps before build conflicts. Call
863 create_allocno_live_ranges. Propagate info to caps. Report
865 (ira_destroy): Call finish_allocno_live_ranges.
867 * ira-conflicts.c (set_allocno_live, clear_allocno_live,
868 record_regno_conflict, mark_reg_store, mark_reg_clobber,
869 mark_reg_conflicts, mark_reg_death): Remove.
870 (add_insn_allocno_copies, add_copies): New functions.
871 (add_allocno_copy_to_list, remove_allocno_copy_from_list,
872 swap_allocno_copy_ends_if_necessary, add_allocno_copy): Remove.
873 (add_allocno_copies): Rename to add_insn_allocno_copies. Use
874 ira_curr_regno_allocno_map and add_insn_allocno_copies.
875 (single_reg_class, single_reg_operand_class,
876 process_single_reg_class_operands, process_bb_node_for_conflicts):
878 (INT_BITS, INT_TYPE, EXECUTE_IF_SET_IN_ALLOCNO_SET): Move to
880 (allocnos_live_bitmap, SET_ALLOCNO_CONFLICT_ROW,
881 CLEAR_ALLOCNO_CONFLICT_ROW, TEST_ALLOCNO_CONFLICT_ROW): Remove.
882 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE, TEST_ALLOCNO_LIVE):
883 Use {SET, CLEAR, TEST}_ALLOCNO_SET_BIT.
884 (allocno_row_words, hard_regs_live, curr_bb_node,
885 curr_regno_allocno_map, curr_reg_pressure): Remove.
886 (CONFLICTP): Rename to CONFLICT_P.
888 (propagate_allocno_info): Use ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
889 Set up ALLOCNO_CALLS_CROSSED_START.
890 (allocno_conflict_p): New function.
891 (allocno_reg_conflict_p): Use allocno_conflict_p.
892 (build_allocno_conflict_vects): Divide original and propagated
894 (print_hard_reg_set): New function.
895 (print_conflicts): Use print_hard_reg_set. Set up mark for the
896 start of propagated conflicts.
897 (debug_conflicts): Add parameter.
898 (ira_build_conflicts): Call add_copies. Set up
899 ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
901 * ira-costs.c (struct costs): Make cost allocated dynamically.
902 (struct_costs_size, temp_cots, op_costs, this_op_costs): New
904 (costs): Rename to total_costs.
905 (COSTS_OF_ALLOCNO): New macro.
906 (curr_regno_allocno_map): Remove. Use ira_curr_regno_allocno_map
908 (record_reg_classes): Check NO_REGS in allocno_pref.
909 (record_address_regs): Use COSTS_OF_ALLOCNO.
910 (scan_one_insn): Ditto.
911 (print_costs): Ditto.
912 (find_allocno_class_costs): Ditto. Pass additional argument to
913 traverse_loop_tree. Set up NO_REGS if memory is cheaper.
914 (setup_allocno_cover_class_and_costs): Use
915 ALLOCNO_UPDATED_MEMORY_COST instead of
916 ALLOCNO_ORIGINAL_MEMORY_COST, ALLOCNO_UPDATED_HARD_REG_COSTS
917 instead of ALLOCNO_CURR_HARD_REG_COSTS, and
918 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS instead of
919 ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS. Pass additional argument to
921 (init_ira_costs_once): Allocate init_cost, op_costs,
922 this_op_costs, temp_costs.
923 (finish_ira_costs_once): New function.
925 * ira-color.c: Use ALLOCNO_UPDATED_MEMORY_COST instead of
926 ALLOCNO_ORIGINAL_MEMORY_COST, ALLOCNO_UPDATED_HARD_REG_COSTS
927 instead of ALLOCNO_CURR_HARD_REG_COSTS, and
928 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS instead of
929 ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS. Use
930 ALLOCNO_TOTAL_CONFLICT_HARD_REGS instead of
931 ALLOCNO_CONFLICT_HARD_REGS.
932 (processed_allocno_bitmap): Rename into
933 processed_coalesced_allocno_bitmap.
934 (allocno_cost_compare_func): Use ALLOCNO_UPDATED_MEMORY_COST
935 instead of ALLOCNO_MEMORY_COST.
936 (assign_hard_reg): Remove biased coloring.
937 (add_allocno_to_ordered_bucket): Check cover class first.
938 (loop_edge_freq): Make it external.
939 (setup_allocno_left_conflicts_num): Check that conflicting
940 allocnos of one class.
941 (allocno_conflict_p): Rename to coalesced_allocno_conflict_p.
942 (color_pass): Check pressure in the loop (not in subloops) for
944 (allocno_priorities): New variable.
945 (start_allocno_priorities, finish_allocno_priorities): New
947 (allocno_priority_compare_func): Use allocno_priorities.
948 (priority_coloring): Call start_allocno_priorities and
949 finish_allocno_priorities.
950 (do_coloring): Pass additional argument to traverse_loop_tree.
952 * ira-emit.c (struct move): Add member insn.
953 (create_move): Initialize member insn.
954 (generate_edge_moves): Set up ALLOCNO_MEM_OPTIMIZED_DEST and
955 ALLOCNO_MEM_OPTIMIZED_DEST_P.
956 (change_loop): Check prohibited_mode_move_regs.
957 (curr_jump_map, can_move_through_p): Remove.
958 (unify_moves): Don't move through jump.
959 (modify_move_list): Set up attributes for new allocno used for
960 breaking dependency loops.
961 (emit_move_list): Set up insn codes.
962 (update_costs, add_range_and_copies_from_move_list,
963 add_ranges_and_copies): New functions.
964 (ira_emit): Add a parameter. Call add_ranges_and_copies.
966 2007-10-09 Vladimir Makarov <vmakarov@redhat.com>
968 * toplev.h (flag_ira_coalesce): New external variable.
970 * ira-int.h (allocno): New members first_coalesced_allocno,
971 next_coalesced_allocno.
972 (ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO):
974 (reg_class_subintersect): New external variable.
976 * ira-color.c (processed_allocno_bitmap): New variable.
977 (allocno_cost_compare_func, print_coalesced_allocno): New
979 (assign_hard_reg): Process coalesced allocnos.
980 (get_coalesced_allocnos_best_class_and_freq): New function.
981 (add_allocno_to_ordered_bucket): Use the function.
982 (push_allocno_to_stack, push_allocnos_to_stack): Process coalesced
984 (remove_allocno_from_bucket_and_push, pop_allocnos_from_stack):
985 Use print_coalesced_allocno.
986 (setup_allocno_available_regs_num,
987 setup_allocno_left_conflicts_num): Process coalesced allocnos.
988 (copy_freq_compare_func, allocno_conflict_p, coalesce_allocnos):
990 (color_allocnos): Allocate/free processed_allocno_bitmap. Call
992 (priority_coloring): Allocate/free processed_allocno_bitmap.
994 * ira-build.c (check_coalesced_allocnos): New function.
995 (create_allocno): Initiate next_coalesced_allocno,
996 first_coalesced_allocno.
997 (create_cap_allocno): Check next_coalesced_allocno,
998 first_coalesced_allocno.
1000 * common.opt (fira-coalesce): New option.
1002 * ira.c (setup_reg_class_intersect): New function.
1003 (reg_class_subintersect): New global variable.
1004 (init_ira_once): Call setup_reg_class_intersect.
1006 * doc/invoke.texi (-fira-coalescing): New option.
1008 2007-09-20 Vladimir Makarov <vmakarov@redhat.com>
1010 * ira-build.c (create_allocno): Initialize ALLOCNO_BEST_CLASS.
1012 * ira-color.c (add_allocno_to_ordered_bucket): Use
1015 * ira-costs.c (setup_allocno_cover_class_and_costs): Initialize
1018 * ira-int.h (allocno): New member best_class.
1019 (ALLOCNO_BEST_CLASS): New macro.
1021 2007-09-19 Vladimir Makarov <vmakarov@redhat.com>
1023 * ira-int.h (allocno): Remove calls_crosed. Add
1024 calls_crossed_start.
1025 (ALLOCNO_CALLS_CROSSED): Remove.
1026 (ALLOCNO_CALLS_CROSSED_START): Add.
1028 (regno_calls, add_regno_call): New.
1030 * ira-build.c (initiate_calls, finish_calls, add_regno_call): New
1032 (regno_calls, regno_calls_num): New globals.
1034 (add_loop_to_tree): Use loop_outer.
1035 (form_loop_tree): Ditto.
1036 (initiate_allocnos, create_cap_allocno): Remove
1037 ALLOCNO_CALLS_CROSSED. Add ALLOCNO_CALLS_CROSSED_START.
1038 (finish_allocnos): Remove ALLOCNO_CALLS_CROSSED.
1039 (create_bb_allocnos, create_loop_allocnos): Use DF_LR_{IN,OUT}
1040 instead of DF_UPWARD_LIVE_{IN,OUT}.
1041 (ira_build): Remove adding df problems and call of
1042 free_dominance_info. Call initiate_calls.
1043 (ira_destroy): Add free_dominance_info and finish_calls. Remove
1046 * ira-emit.c (change_regs): Return the result.
1047 (generate_edge_moves): Use DF_LR_{IN,OUT} instead of
1048 DF_UPWARD_LIVE_{IN,OUT}.
1049 (change_loop): Call df_insn_rescan and df_note_rescan if there is
1051 (can_move_through_p): Use hard_reg_set_equal_p instead of
1052 GO_IF_HARD_REG_EQUAL.
1054 * ira-costs.c (copy_cost, record_reg_classes,
1055 record_address_regs): Call init_move_cost if it is necessary.
1056 (tune_allocno_costs_and_cover_classes): Use regno_calls and
1057 ALLOCNO_CALLS_CROSSED_START instead of ALLOCNO_CALLS_CROSSED.
1059 * ira-conflicts.c (n_regs_set): Remove.
1060 (regs_set): Make it a vector.
1061 (mark_reg_store, mark_reg_clobber): Change 2nd parameter type.
1062 (process_bb_node_for_conflicts): Use DF_LR_IN instead of
1063 DF_UPWARD_LIVE_IN. Call add_regno_call. Initialize
1064 ALLOCNO_CALLS_CROSSED_START. Remove ALLOCNO_CALLS_CROSSED.
1065 (build_conflict_bit_table): Initialize and finalize regs_set.
1066 (propagate_allocno_info): Remove ALLOCNO_CALLS_CROSSED.
1067 Initialzie ALLOCNO_CALLS_CROSSED_START.
1069 * ira-color.c (setup_allocno_available_regs_num,
1070 setup_allocno_left_conflicts_num): New functions.
1071 (update_allocno_avaialable_regs): Remove.
1072 (sorted_allocnos, allocno_stack_varray): Move upper.
1073 (assign_hard_reg): Use hard_reg_set_subset_p instead of
1074 GO_IF_HARD_REG_SUBSET.
1075 (loop_edge_freq): Use DF_LR_{IN,OUT} instead of
1076 DF_UPWARD_LIVE_{IN,OUT}.
1077 (put_allocno_into_bucket): Call setup_allocno_available_regs_num
1078 and setup_allocno_left_conflicts_num.
1079 (print_loop_title): Use loop_depth.
1080 (allocno_priority_compare_func): Remove REG_N_REFS and
1082 (retry_ira_color): Use SET_REGNO. Use ALLOCNO_CALLS_CROSSED_NUM
1083 instead of ALLOCNO_CALLS_CROSSED.
1084 (collect_pseudo_call_clobbered_regs): Use regno_calls and
1085 ALLOCNO_CALLS_CROSSED_START instead of ALLOCNO_CALLS_CROSSED.
1087 * ira-call.c (init_ira_call_data): Add argument to
1089 (n_regs_set): Remove.
1090 (regs_set): Make it a vector.
1091 (mark_reg_store, mark_reg_clobber): Change 2nd parameter type.
1092 (mark_referenced_regs): Check null x.
1093 (put_save_restore_and_calculate_local_info): Initialize and
1094 finalize regs_set. Use DF_LR_{IN,OUT} instead of
1095 DF_UPWARD_LIVE_{IN,OUT}. Use loop_outer.
1096 (do_init_nothing): Remove.
1097 (save_trans_fun, save_con_fun_0, restore_trans_fun,
1098 restore_con_fun_0): Remove 1st parameter.
1099 (save_con_fun_n, restore_con_fun_n): Ditto. Use
1100 df_simple_dataflow instead of df_analyze_problem.
1101 (put_save_restore): Use DF_LR_IN instead of DF_UPWARD_LIVE_IN.
1102 Call mark_all_referenced_regs for all insn. Use bitmap progress.
1103 (get_move_insn): New function.
1104 (put_save_restore_and_calculate_local_info, put_save_restore): Use
1107 * ira.c (insn_contains_asm_1, insn_contains_asm,
1108 compute_regs_asm_clobbered, expand_reg_info): New functions.
1109 (setup_class_subset_and_move_costs): Use hard_reg_set_subset_p
1110 instead of GO_IF_HARD_REG_SUBSET.
1111 (setup_reg_subclasses, setup_class_translate): Ditto. Use
1112 hard_reg_set_equal_p instead of GO_IF_HARD_REG_EQUAL.
1113 (setup_eliminable_regset): Call compute_regs_asm_clobbered. Use
1114 df_set_regs_ever_live instead of regs_ever_live.
1115 (setup_reg_renumber): Check reg_equiv_const and
1116 reg_equiv_invariant_p.
1117 (ira): Remove no_new_pseudos. Add df-problems and analyze. Call
1118 regstat_init_n_sets_and_refs and regstat_compute_ri. Remove
1119 delete_unreachable_blocks. Use expand_reg_info. Move
1120 setup_preferred_alternate_classes upper. Remove life_analysis.
1121 Prepare df-insfrastructure for reload.
1123 * regclass.c (setup_reg_classes): Don't use reg_pref_buffer.
1125 * function.[ch] (get_call_invalidated_used_regs): Change 1st
1128 * gengtype.c (main): Add HARD_REG_SET.
1130 * alias.c (value_addr_p): New function.
1131 (nonoverlapping_memrefs_p): Use it.
1133 * caller-save.c (init_caller_save): Use DF_LR_TOP for IRA instead
1134 of global_live_at_start.
1136 2007-05-04 Vladimir Makarov <vmakarov@redhat.com>
1138 * ira-conflicts.c: Change pseudo to allocno.
1139 * ira-color.c: Ditto.
1140 * ira-emit.c: Ditto.
1141 * ira-build.c: Ditto.
1143 (important_classes_num, important_classes): New variables.
1144 (setup_cover_classes): Set up the variable values.
1145 * ira-costs.c: Ditto.
1146 (record_reg_classes, record_address_regs, scan_one_insn,
1147 find_pseudo_class_costs): Process only important classes.
1148 * ira-call.c: Ditto. Add comments about placement optimization.
1150 (allocno) Use one bit field for boolean members.
1151 (important_classes_num, important_classes): New external
1154 2007-03-16 Vladimir Makarov <vmakarov@redhat.com>
1156 * flags.h (ira_algorithm): Add IRA_ALGORITHM_MIXED.
1158 * opts.c (common_handle_option): Set up IRA_ALGORITHM_MIXED from
1159 the option argument.
1161 * common.opt (fira-assign-after-call-split, fira-propagate-cost,
1162 fira-split-around-calls): New options.
1163 (fira-ipra): Switch off by default.
1165 * doc/invoke.texi (-fira-algorithm): Add mixed algorithm.
1166 (-fno-ira-ipra): Rename to -fira-ipra.
1167 (-fno-ira-assign-after-call-split, -fira-propagate-cost,
1168 -fno-ira-split-around-calls): Add new options.
1170 * ira-conflicts.c (curr_reg_pressure): New variable.
1171 (set_pseudo_live, clear_pseudo_live, mark_reg_store,
1172 mark_reg_death): Update reg pressure.
1173 (add_pseudo_copies): Decrease cost for copy with dead pseudo.
1174 (process_bb_node_for_conflicts): Propagate reg pressure.
1175 (build_conflict_bit_table): Call process_bb_node_for_conflicts in
1177 (ira_build_conflicts): Add new coloring algorithm.
1178 (ira_build_conflicts): Add flag_ira_split_around_calls.
1180 * ira-emit.c (change_loop): Print allocation on the region
1181 borders. Use pseudo_cap_member instead of regno.
1182 (modify_move_list): Add parameter to create pseudo.
1183 (ira_emit): Use pseudo_cap_member instead of regno.
1185 * ira-build.c (create_loop_tree_nodes): Set up initial reg
1187 (create_pseudo): Add parameter. Use the parameter value instead
1189 (print_expanded_pseudo): Use pseudo_cap_member instead of regno.
1190 (create_cap_pseudo, create_insn_pseudos, create_bb_pseudos,
1191 create_loop_pseudos): Add argument to create_pseudo call.
1192 (create_pseudos, ira_build): Process IRA_ALGORITHM_MIXED.
1193 (create_loop_tree_node_caps): Create cap pseudo for all pseudos
1194 not having father pseudo.
1196 * final.c (rest_of_handle_final): Process INCOMING_REGNO.
1198 * toplev.h (flag_ira_assign_after_call_split,
1199 flag_ira_propagate_cost, flag_ira_split_around_calls): New flags.
1201 * caller-save.c (save_call_clobbered_regs): Move declaration
1202 this_insn_sets to the function start.
1204 * ira-int.h (ira_loop_tree_node): Add reg_pressure.
1205 (pseudo): More comments for regno and cap_member
1206 (original_regno_call_crossed_p, ira_max_regno_before,
1207 ira_max_regno_call_before): New external variables.
1208 (create_pseudo): Add parameter.
1209 (reassign_conflict_pseudos, debug_ira_call_data,
1210 split_around_calls, get_around_calls_regno): New function
1213 * ira-color.c (assign_hard_reg): Set best_hard_regno and
1214 conflict_regs earlier. Check register availability earlier.
1215 Ignore conflict and copy cost for PSEUDO_MAY_BE_SPILLED_P.
1216 (calculate_pseudo_spill_cost): Use pseudo_cap instead of regno.
1217 Check father pseudo instead of subloop pseudos.
1218 (pop_pseudos_from_stack): Set up PSEUDO_ASSIGNED_P for NO_REGS
1220 (print_loop_title): Print reg pressure.
1221 (color_pass): Use PSEUDO_CAP_MEMBER instead of regno. Add mixed
1223 (move_spill_restore): Use PSEUDO_CAP_MEMBER instead of regno. Use
1224 subloop pseudos instead of father pseudo for cost calculation.
1225 (setup_curr_costs, reassign_conflict_pseudos): New functions.
1226 (retry_ira_color): Don't allocate call used registers when
1227 flag_caller_saves or flag_ira_split_around_calls. Call
1228 setup_curr_cost. Print about spilling pseudo split around calls.
1229 (reuse_stack_slot): Choose the slot with minimal memory-memory
1232 * ira.c (setup_reg_renumber): Add 2 parameters. Use cap_number
1233 instead of regno. Initialize caller_save_needed. Make assertion
1235 (setup_pseudo_assignment_from_reg_renumber): New function.
1236 (calculate_allocation_cost): Add assertion.
1237 (print_redundant_copies): Use cap_number instead of regno.
1238 (original_regno_call_crossed_p, ira_max_regno_before,
1239 ira_max_regno_call_before): New global variables.
1240 (ira): Process IRA_ALGORITHM_MIXED. Set up
1241 ira_max_regno_call_before and ira_max_regno_before. New arguments
1242 for setup_reg_renumber. Reassign if pseudo changed its class.
1243 Split pseudos around the call if necessary. Reassign if a pseudo
1246 * ira.h: New year for Copyright.
1248 * ira-costs.c (reg_pref): Rename to pseudo_pref.
1249 (reg_pref_buffer): rename to pseudo_pref_buffer.
1250 (find_pseudo_class_costs): Initialize best_cost and best_class.
1251 Process IRA_ALGORITHM_MIXED. Find best cover class for regno.
1252 (process_bb_node_for_hard_reg_moves): Process IRA_ALGORITHM_MIXED.
1254 * Makefile.in (ira-call.o): Add new file.
1256 * reload1.c (calculate_needs_all_insns): Remove unnecessary
1259 * ira-call.c: New file.
1261 2007-02-09 Vladimir Makarov <vmakarov@redhat.com>
1263 * common.opt (fipra): Rename to fira-ipra. Make it default.
1264 (fira-move-spills, fira-share-save-slots, fira-share-spill-slots):
1266 * toplev.h (flag_ipra): Rename to flag_ira_ipra.
1267 (flag_ira_move_spills, flag_ira_share_save_slots,
1268 flag_ira_share_spill_slots): New external definitions.
1269 * doc/invoke.texi (-fipra): Rename to -fno-ira-ipra.
1270 (-fno-ira-move-spills, -fno-ira-share-save-slots,
1271 -fno-ira-share-spill-slots): New options.
1272 * function.c (get_call_invalidated_used_regs): Rename flag_ipra to
1274 * ira-costs.c (tune_pseudo_costs_and_cover_classes): Ditto.
1275 * caller-save.c (setup_save_areas): Use flag_ira_share_save_slots.
1276 Rename flag_ipra to flag_ira_ipra.
1277 (flag_ira_share_save_slots): Use flag_ira_move_spills.
1278 * ira-color.c (assign_hard_reg): Skip pseudos with different cover
1280 (reuse_stack_slot): Use flag_ira_share_spill_slots.
1281 * config/arm/arm.h (IRA_COVER_CLASSES): New macro.
1283 2007-02-31 Vladimir Makarov <vmakarov@redhat.com>
1285 * reload.h (debug_save_data): New definition.
1287 * caller-save.c (struct bb_info): New.
1288 (BB_INFO, BB_INFO_BY_INDEX): New macros.
1289 (calculate_local_save_info, set_up_bb_rts_numbers, rpost_cmp,
1290 calculate_save_in_out, calculate_save_here,
1291 make_global_save_analysis, print_hard_reg_set_and_mode,
1292 print_hard_reg_set, print_save_data, debug_save_data,
1293 set_hard_reg_saved): New functions.
1294 (save_call_clobbered_regs): Make global save analysis and use it
1295 to put save/restore code.
1296 (insert_one_insn): Check CODE_LABEL.
1298 2007-01-19 Vladimir Makarov <vmakarov@redhat.com>
1300 * toplev.h (flag_ipra): New external definition.
1302 * common.opt (fipra): New option.
1304 * doc/invoke.texi (-fipra); Document the option.
1306 * cgraph.h (cgraph_node): New member function_used_regs.
1308 * cgraph.c (cgraph_create_node): Initialize function_used_regs.
1310 * final.c (update_regs_ever_live): New function.
1311 (rest_of_handle_final): Set up function_used_regs and
1314 * ira-build.c (ira_build): Clear function call_used_regs.
1316 * function.h: Add hard-reg-set.h header.
1317 (emit_status): New member call_used_regs.
1318 (get_call_invalidated_used_regs): New definition.
1320 * function.c (get_call, get_call_invalidated_used_regs): New
1323 * Makefile.in (FUNCTION_H): Add hard-reg-set.h.
1324 (caller-save.o): Add dependence on output.h and ira.h
1326 * regrename.c (copyprop_hardreg_forward_1): Use function
1327 get_call_invalidated_used_regs.
1329 * ira-conflicts.c (process_bb_node_for_conflicts): Ditto.
1331 * postreload-gcse.c (record_opr_changes,
1332 reg_set_between_after_reload_p, reg_used_between_after_reload_p):
1335 * postreload.c (reload_combine, reload_cse_move2add): Ditto.
1337 * rtlanal.c (reg_set_between_p): Ditto.
1339 * flow.c (propagate_one_insn): Ditto.
1341 * df-scan.c (df_insn_refs_record): Ditto.
1343 * gcse.c (compute_hash_table_work, compute_store_table): Ditto.
1345 * cselib.c (cselib_process_insn): Ditto.
1347 * loop-iv.c (simplify_using_assignment): Ditto.
1349 * sched-deps.c (sched_analyze): Ditto.
1351 * combine.c (record_dead_and_set_regs): Ditto.
1353 * resource.c (mark_set_resources, mark_set_resources): Ditto.
1355 * var-tracking.c (var-tracking.c): Ditto.
1357 * reload1.c (reload): Ditto.
1359 * cse.c (invalidate_for_call): Ditto. Add parameter.
1360 (cse_insn): Pass the parameter.
1362 * ira.h (try_to_migrate): Remove the definition.
1363 (collect_pseudo_call_clobbered_regs): New external definition.
1365 * ira-color.c (collect_pseudo_call_clobbered_regs): New function.
1367 * ira-costs.c (tune_pseudo_costs_and_cover_classes): Add cost
1368 calculation when IPRA is used.
1370 * caller-save.c: Include headers output.h and ira.h.
1371 (saved_hard_reg): New structure.
1372 (hard_reg_map, hard_reg_map, all_saved_regs): New variables.
1373 (all_saved_regs, new_saved_hard_reg, finish_saved_hard_regs,
1374 saved_hard_reg_compare_func): New functions.
1375 (setup_save_areas): Add code for sharing stack slots.
1376 (save_call_clobbered_regs): Use function
1377 get_call_invalidated_used_regs.
1379 2007-01-12 Vladimir Makarov <vmakarov@redhat.com>
1381 * doc/tm.texi (IRA_HARD_REGNO_ADD_COST_MULTIPLIER): New macro.
1383 * ira-conflicts.c (add_pseudo_copies): Add copy between output and
1384 died operand pseudos.
1386 * ira.c (setup_cover_classes, setup_class_translate): Define and
1387 call only when IRA_COVER_CLASSES is defined.
1388 (no_alloc_regs): Rename to no_unit_alloc_regs.
1389 (setup_eliminable_regset): Set up no_alloc_regs.
1391 * ira-costs.c (tune_pseudo_costs_and_cover_classes): Modify cost
1392 if IRA_HARD_REGNO_ADD_COST_MULTIPLIER is defined.
1394 * config/s390/s390.h (IRA_COVER_CLASSES,
1395 IRA_HARD_REGNO_ADD_COST_MULTIPLIER(regno)): Define.
1397 2006-12-22 Vladimir Makarov <vmakarov@redhat.com>
1399 * rtl.h (setup_reg_classes): New function prototype.
1401 * regclass.c (setup_reg_classes): New function.
1403 * global.c (global_alloc): Dump information about register
1406 * ira-int.h (ira_build): Change prototype signature.
1408 * ira-color.c (pseudo_compare_func): Rename to
1409 pseudo_priority_compare_func.
1410 (priority_coloring): Dump information about register
1413 * ira-build.c (ira_build): Return true if we have loops for the
1416 * ira.c (setup_preferred_alternate_classes): New function.
1417 (ira): Use it instead of regclass. Rebuild only if we have loops.
1419 2006-12-15 Vladimir Makarov <vmakarov@redhat.com>
1421 * ira.h, ira-int.h, ira.c, ira-build.c, ira-costs.c
1422 ira-conflicts.c, ira-color.c, ira-emit.c: New files.
1424 * flags.h (ira_algorithm): New enumeration.
1425 (flag_ira_algorithm): New external variable declaration.
1427 * tree-pass.h (pass_ira): New external variable declaration.
1429 * toplev.c (ira.h): New include.
1430 (flag_ira_algorithm): New global variable.
1431 (backend_init): Call init_ira_once.
1433 * toplev.h (flag_ira, flag_ira_biased_coloring): New external
1434 variable declarations.
1436 * regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
1437 may_move_out_cost): New external variable declarations.
1439 * caller-save.c (no_caller_save_reg_set): New global variable.
1440 (init_caller_save): Set up no_caller_save_reg_set.
1442 * global.c (eliminable_regset): Make it external.
1443 (gate_handle_global_alloc): New function.
1444 (pass_global_alloc): Add the gate function.
1446 * opts.c (decode_options): Print the warning for -fira.
1447 (common_handle_option): Process -fira-algorithm option.
1449 * timevar.def (TV_IRA): New pass.
1451 * hard-reg-set.h (no_caller_save_reg_set): New external variable
1454 * regmove.c (regmove_optimize): Don't do replacement of output
1455 operands by input operands.
1456 (rest_of_handle_regmove): Don't do CFG cleanup for IRA.
1458 * local-alloc.c (update_equiv_regs): Make it external. Return
1459 true if jump label rebuilding should be done.
1460 (gate_handle_local_alloc): New function.
1461 (pass_local_alloc): Add the gate function.
1463 * alias.c (stack_addr_p): New function.
1464 (nonoverlapping_memrefs_p): Add code for IRA.
1466 * common.opt (fira, fira-algorithm, fira-biased-coloring): New
1469 * regclass.c (contains_reg_of_mode, move_cost, may_move_in_cost,
1470 may_move_out_cost): Make the variables external.
1472 * rtl.h (eliminable_regset): New external variable declaration.
1473 (update_equiv_regs): New external function definition.
1475 * Makefile.in (IRA_INT_H): New definition.
1476 (OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
1477 ira-conflicts.o, ira-color.o, and ira-emit.o.
1478 (reload1.o, toplev.o): Add dependence on ira.h.
1479 (ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
1480 ira-emit.o): New entries.
1482 * passes.c (pass_ira): New pass.
1484 * reload1.c (alter_reg): Add a new parameter.
1485 (pseudo_reg_compare): New function.
1486 (reload): Sort pseudos for IRA. Call alter_reg with the
1487 additional parameter.
1488 (count_spilled_pseudo): New variable freq. Use it.
1489 (alter_reg): Add code for IRA.
1490 (eliminate_regs_1, finish_spills, emit_input_reload_insns,
1491 delete_output_reload): Use additional parameter for alter_reg.
1492 (finish_spills, emit_input_reload_insns, delete_output_reload):
1493 Call mark_allocation_change.
1494 (finish_spills): Call retry_ira_color.
1496 * doc/invoke.texi: Describe new options -fira,
1497 -fira-biased-coloring, and -fira-algorithm.
1499 * doc/passes.texi: Decribe IRA.
1501 * doc/tm.texi: Decribe macro IRA_COVER_CLASSES.
1503 * config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
1505 * config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
1507 * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
1509 * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
1511 Richard Henderson <rth@redhat.com>
1513 * tree-pass.h (pass_lower_subreg): New external definition.
1514 * toplev.h (flag_lower_subreg): New external definition.
1515 * rtl.def (CONCATN): New rtl expression.
1516 * dwarf2out.c (concatn_loc_descriptor): New function.
1517 (loc_descriptor): Process CONCATN.
1518 * timevar.def (TV_LOWER_SUBREG): New definition.
1519 * emit-rtl.c (gen_reg_rtx_offset): New function.
1520 (gen_lowpart_common): Process CONCATN.
1521 * simplify-rtx.c (simplify_subreg): Process CONCATN.
1522 * common.opt (flower-subreg): New options.
1523 * rtl.h (gen_reg_rtx_offset): New external definition.
1524 * Makefile.in (OBJS-common): Add lower-subreg.o.
1525 (lower-subreg.o): New entry.
1526 * passes.c (pass_lower_subreg): Add new pass.
1527 * lower-subreg.c: New file.
1529 2008-03-28 Rafael Espindola <espindola@google.com>
1531 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
1532 (tree_binary_nonnegative_warnv_p): Make it public.
1533 (tree_single_nonnegative_warnv_p): Make it public.
1534 (tree_invalid_nonnegative_warnv_p): Make it public.
1535 (tree_unary_nonzero_warnv_p): Make it public.
1536 (tree_binary_nonzero_warnv_p): Make it public
1537 (tree_single_nonzero_warnv_p): Make it public.
1538 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
1539 (extract_range_from_binary_expr): Split the expr argument.
1540 (extract_range_from_unary_expr): Split the expr argument.
1541 (extract_range_from_comparison): Split the expr argument.
1542 (extract_range_from_expr): Use the new aux functions.
1543 (vrp_evaluate_conditional_warnv): Use
1544 vrp_evaluate_conditional_warnv_with_ops.
1545 * tree.h (tree_unary_nonzero_warnv_p): Declare.
1546 (tree_binary_nonzero_warnv_p): Declare.
1547 (tree_single_nonzero_warnv_p): Declare.
1548 (tree_expr_nonzero_warnv_p): Declare.
1549 (tree_unary_nonnegative_warnv_p): Declare.
1550 (tree_binary_nonnegative_warnv_p): Declare.
1551 (tree_single_nonnegative_warnv_p): Declare.
1552 (tree_invalid_nonnegative_warnv_p): Declare.
1554 2008-03-28 Richard Guenther <rguenther@suse.de>
1556 PR tree-optimization/30317
1557 PR tree-optimization/30911
1558 PR tree-optimization/34793
1559 * tree-vrp.c (set_and_canonicalize_value_range): New function.
1560 (struct assert_locus_d): New member EXPR.
1561 (register_new_assert_for): Add EXPR parameter to support
1562 ASSERT_EXPR <name, expr OP limit>.
1563 (register_edge_assert_for_1): Adjust callers.
1564 (find_assert_locations): Likewise.
1565 (process_assert_insertions_for): Build condition from
1567 (extract_range_from_assert): Handle ASSERT_EXPRs
1568 of the form ASSERT_EXPR <name, expr OP limit>.
1569 (register_edge_assert_for_2): New helper registering
1570 asserts for comparisons. Recognize range tests of the form
1571 (unsigned)i - CST1 OP CST2.
1572 (register_edge_assert_for_1): Use it.
1573 (register_edge_assert_for): Likewise.
1574 (needs_overflow_infinity): Integer sub-types
1575 do not need overflow infinities.
1576 (vrp_val_is_max): The extreme values of integer sub-types
1577 are those of the base type.
1578 (vrp_val_is_min): Likewise.
1579 * tree.def (ASSERT_EXPR): Document extra allowed conditional
1582 2008-03-28 Nick Clifton <nickc@redhat.com>
1584 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
1585 Return GENERAL_REGS for stack adjustment reloads.
1587 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1590 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
1591 const_vector when all the vectors are constant.
1593 2008-03-27 Bob Wilson <bob.wilson@acm.org>
1595 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
1597 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
1598 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
1600 (s<code>_sf): Use new scc_sf attribute for opcode names.
1602 2008-03-27 Tom Tromey <tromey@redhat.com>
1604 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
1605 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
1606 config/spu/t-spu-elf, config/i386/t-interix,
1607 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
1608 config/i386/x-darwin, config/i386/x-mingw32,
1609 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
1610 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
1611 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
1612 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
1613 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
1614 config/rs6000/x-darwin, config/rs6000/t-rs6000,
1615 config/score/t-score-elf, config/arm/t-strongarm-pe,
1616 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
1617 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
1618 Revert automatic dependency patch.
1620 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
1623 * config/i386/i386.c (ix86_function_arg_boundary): Align
1624 decimal floating point to its natural boundary.
1626 2008-03-27 Richard Guenther <rguenther@suse.de>
1629 * fold-const.c (fold_comparison): Restrict distinct decl
1630 comparison folding to VAR_DECLs and PARM_DECLs. Do not
1631 solely rely on operand_equal_p.
1633 2008-03-27 Richard Guenther <rguenther@suse.de>
1636 * c-common.c (handle_weak_attribute): Reject combination of
1639 2008-03-27 Richard Guenther <rguenther@suse.de>
1641 PR tree-optimization/32810
1642 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
1643 conversions from DECL_INITIAL.
1644 (fold_const_aggregate_ref): Likewise from constructor elements.
1646 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
1648 * tree-affine.h (aff_combination_expand): Declare.
1649 (get_inner_reference_aff): Likewise.
1650 * tree-affine.c (aff_combination_expand): Split out from
1651 tree_to_aff_combination_expand.
1652 (get_inner_reference_aff): New function.
1653 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
1654 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
1655 (struct lim_aux_data): sm_done field removed.
1656 (mem_ref_loc_p, mem_ref_locs_p): New types.
1657 (struct mem_ref): Added id, stored, accesses_in_loop,
1658 indep_loop, dep_loop, indep_ref, dep_ref fields.
1659 Removed is_stored, locs and next fields.
1660 (memory_accesses): New variable.
1661 (movement_possibility): Do not allow moving statements
1662 that store to memory.
1663 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
1665 (determine_max_movement): For statements with memory references,
1666 find the outermost loop in that the reference is independent.
1667 (move_computations_stmt): Mark the virtual operands for
1669 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
1670 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
1671 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
1672 add_vop_ref_mapping, create_vop_ref_mapping_loop,
1673 create_vop_ref_mapping, analyze_memory_references,
1674 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
1675 get_all_locs_in_loop, ref_always_accessed_p,
1676 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
1677 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
1678 store_motion_loop, store_motion): New functions.
1679 (struct vop_to_refs_elt): New type.
1680 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
1681 memref_hash, memref_eq, hoist_memory_references): Rewritten.
1682 (schedule_sm): Replaced by...
1683 (execute_sm): ... this.
1684 (determine_lsm_ref, hoist_memory_references,
1685 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
1686 find_more_ref_vops, free_mem_ref, free_mem_refs,
1687 determine_lsm_loop, determine_lsm): Removed.
1688 (tree_ssa_lim_finalize): Free data structures used by store
1690 (tree_ssa_lim): Call analyze_memory_references. Use
1691 store_motion instead of determine_lsm.
1693 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
1695 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
1696 rename tmake_file to m68hc11/t-m68hc11.
1697 (mcore): Set inhibit_libc to true.
1698 * config.host (alpha*-dec-*vms*): Set extra_programs.
1699 (interix3*): Don't use host_xmake_file.
1700 * configure.ac: Let config.gcc override inhibit_libc.
1701 * configure: Regenerate.
1703 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
1704 * config/t-openbsd-thread: Remove commented out lines.
1706 * config/x-interix: Remove.
1708 * config/m68hc11/t-m68hc11-gas: Rename to...
1709 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
1711 * config/mcore/t-mcore: Remove T_CFLAGS.
1712 * config/mcore/t-mcore-pe: Likewise.
1714 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
1716 * configure.ac: Replace custom __GNU_SOURCE test with
1717 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
1718 * aclocal.m4: Regenerate.
1719 * configure: Regenerate.
1720 * config.in: Regenerate.
1722 2008-03-27 Richard Guenther <rguenther@suse.de>
1724 * fold-const.c (target.h): Include.
1725 (fold_comparison): Fold comparison of addresses of decls
1726 that bind locally or of constants. Consolidate address folding code.
1727 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
1728 results from fold_binary_to_constant.
1729 (compare_values_warnv): Likewise.
1731 2008-03-27 Andrew Pinski <pinskia@gmail.com>
1734 * fold-const.c (fold_truthop): Check for integeral types when folding
1735 a == 0 && b == 0 and a != 0 || b != 0 .
1737 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
1739 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
1741 2008-03-26 Andreas Schwab <schwab@suse.de>
1743 * doc/invoke.texi: Fix use of @item vs. @itemx.
1745 2008-03-26 Tom Tromey <tromey@redhat.com>
1747 * Makefile.in (build/gensupport.o, build/print-rtl.o,
1748 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
1749 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
1750 build/gencodes.o, build/genconditions.o, build/genconfig.o,
1751 build/genconstants.o, build/genemit.o, build/genextract.o,
1752 build/genflags.o, build/genmddeps.o, build/genopinit.o,
1753 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
1756 2008-03-26 Richard Guenther <rguenther@suse.de>
1759 2008-03-26 Richard Guenther <rguenther@suse.de>
1761 * fold-const.c (target.h): Include.
1762 (fold_comparison): Fold comparison of addresses of two decls
1763 that bind locally. Consolidate address folding code.
1765 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1767 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
1768 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
1769 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
1770 dconstsqrt2, dconstthird, dconste and/or dconst10.
1771 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
1772 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
1773 dconstsqrt2, dconste): Delete.
1774 (init_emit_once): Likewise. Simplify initializing dconstm1.
1776 * real.c (get_real_const): New.
1777 * real.h (dconst3, dconst10, dconstm2, dconstthird,
1778 dconstsqrt2, dconste): Delete.
1779 (real_value_const, get_real_const): New.
1781 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
1783 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
1785 * config/i386/i386.c (ix86_function_arg_boundary): Check
1786 BIGGEST_ALIGNMENT instead of 128.
1787 (setup_incoming_varargs_64): Likewise.
1789 2008-03-26 Tom Tromey <tromey@redhat.com>
1791 * Makefile.in (DEPFILES): Add missing '/'.
1793 2008-03-26 Richard Guenther <rguenther@suse.de>
1795 * fold-const.c (target.h): Include.
1796 (fold_comparison): Fold comparison of addresses of two decls
1797 that bind locally. Consolidate address folding code.
1799 2008-03-26 Nick Clifton <nickc@redhat.com>
1802 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
1803 not allow INT+INT as a legitimate addressing mode.
1805 2008-03-26 Richard Guenther <rguenther@suse.de>
1807 * tree-flow.h (widen_bitfield): Remove declaration.
1808 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
1809 (widen_bitfield): Remove function.
1810 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
1813 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
1816 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
1819 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
1821 PR rtl-optimization/35232
1822 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
1823 (forget_old_reloads_1, forget_marked_reloads): Don't clear
1824 reg_reloaded_call_part_clobbered here.
1825 (reload_regs_reach_end_p): New function.
1826 (reload_reg_rtx_for_input): New variable.
1827 (reload_reg_rtx_for_output): Likewise.
1828 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
1829 when reassigning a pseudo register. Load reloadreg from
1830 reload_reg_rtx_for_input, moving the mode and register
1832 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
1833 instead of the original when deciding whether an input reload
1834 would be a no-op or whether an output reload can be deleted.
1835 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
1836 when setting up new_spill_reg_store. Load it from
1837 reload_reg_rtx_for_output, moving the mode and register
1839 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
1840 instead of the original when deciding whether an output reload
1841 would be a no-op. Do the same when modifying insn notes.
1842 Use rtx_equal_p instead of == to compare the registers.
1843 (inherit_piecemeal_p): Take a mode and two register numbers
1845 (emit_reload_insns): Clear new_spill_reg_store for every hard
1846 register in the reload register. Remove spill registers
1847 from reg_reloaded_valid before considering whether to record
1848 inheritance information for them. Use reload_reg_rtx_for_output
1849 instead of reg_rtx when recording output reloads. Use
1850 reload_reg_rtx_for_input instead of reg_rtx when recording
1851 input reloads. Set or clear reg_reloaded_call_part_clobbered
1852 at the same time as setting reg_reloaded_valid.
1853 (delete_output_reload): Add a new_reload_reg parameter and use it
1854 instead of rld[j].reg_rtx.
1855 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
1858 2008-03-25 Tom Tromey <tromey@redhat.com>
1860 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
1861 (build/genattr.o): Likewise.
1862 (build/genattrtab.o): Likewise.
1863 (build/gencodes.o): Likewise.
1864 (build/genconfig.o): Likewise.
1865 (build/genconstants.o): Likewise.
1866 (build/genemit.o): Likewise.
1867 (build/genextract.o): Likewise.
1868 (build/genflags.o): Likewise.
1870 2008-03-25 Bob Wilson <bob.wilson@acm.org>
1872 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
1873 instead of size_int for integer types.
1874 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
1875 to match type of MINUS_EXPR.
1877 2008-03-25 Tom Tromey <tromey@redhat.com>
1879 * configure: Rebuilt.
1880 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
1883 2008-03-25 Tom Tromey <tromey@redhat.com>
1885 * config/x-solaris (host-solaris.o): Update.
1886 * config/x-linux (host-linux.o): Update.
1887 * config/x-hpux (host-hpux.o): Update.
1888 * config/x-darwin (host-darwin.o): Update.
1889 * config/v850/t-v850e (v850-c.o): Update.
1890 * config/v850/t-v850 (v850-c.o): Update.
1891 * config/t-vxworks (vxworks.o): Update.
1892 * config/t-sol2 (sol2-c.o, sol2.o): Update.
1893 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
1894 * config/spu/t-spu-elf (spu-c.o): Update.
1896 * config/sh/t-symbian (sh-c.o): Update.
1897 (symbian.o): Update.
1898 * config/sh/t-sh (sh-c.o): Update.
1899 * config/score/t-score-elf (score7.o, score3.o): Update.
1900 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
1901 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
1902 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
1903 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
1905 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1906 * config/m32c/t-m32c (m32c-pragma.o): Update.
1907 * config/ia64/t-ia64 (ia64-c.o): Update.
1908 * config/i386/x-mingw32 (host-mingw32.o): Update.
1909 * config/i386/x-i386 (driver-i386.o): Update.
1910 * config/i386/x-darwin (host-i386-darwin.o): Update.
1911 * config/i386/x-cygwin (host-cygwin.o): Update.
1912 * config/i386/t-nwld (nwld.o): Update.
1913 * config/i386/t-netware (netware.o): Update.
1914 * config/i386/t-interix (winnt.o): Update.
1915 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
1916 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
1917 msformat-c.o): Update.
1918 * config/bfin/t-bfin-linux (generated_files): Add
1919 linux-sysroot-suffix.h.
1920 * config/arm/t-wince-pe (pe.o): Update.
1921 * config/arm/t-strongarm-pe (pe.o): Update.
1922 * config/arm/t-pe (pe.o): Update.
1923 * config/arm/t-arm (arm-c.o): Update.
1924 * doc/install.texi (Prerequisites): Require make 3.80.
1925 * Makefile.in: Remove .o targets.
1926 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
1927 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
1928 (simple_generated_h, simple_generated_c): Move earlier.
1929 (generated_files): New variable.
1930 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
1931 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
1932 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
1933 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
1934 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
1935 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
1936 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
1937 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
1938 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
1939 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
1940 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
1941 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
1943 (COMPILE.base, COMPILE): New variables.
1944 (%.o): New pattern rule.
1945 (ALL_HOST_OBJS): New variable.
1946 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
1947 (dummy-checksum.o, cc1-checksum.o): Remove.
1948 (DRIVER_SHLIB): New variable.
1949 (DRIVER_DEFINES): Use it.
1950 (gencondmd.c): Move out of build/.
1951 (s-conditions): Update.
1952 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
1953 (ALL_BUILD_OBJS): Likewise.
1954 (build/%.o): Use BUILDCOMPILE.
1955 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
1956 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
1957 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
1958 build/gencheck.o, build/gencodes.o, build/genconditions.o,
1959 build/genconfig.o, build/genconstants.o, build/genemit.o,
1960 build/genextract.o, build/genflags.o, build/genmddeps.o,
1961 build/genopinit.o, build/genoutput.o, build/genpeep.o,
1962 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
1963 build/gen-protos.o, build/scan.o, build/fix-header.o,
1964 build/scan-decls.o): Simplify.
1965 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
1966 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
1967 prefix.o, toplev.o): Reduce to variable setting.
1968 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
1969 ($(out_object_file), gcc-options.o): New targets.
1970 ($(ALL_HOST_OBJS)): New target. Include dependency files.
1971 * configure: Rebuilt.
1972 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
1973 * doc/sourcebuild.texi (Front End Directory): Document new variable.
1975 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
1977 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
1978 complain when we hit an error, return ERROR_MARK_NODE.
1980 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
1982 * config/sh/constraints.md (Pso, Psz): New constraints.
1983 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
1984 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
1986 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
1988 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
1989 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
1991 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
1993 * config/sh/sh.md (prefetch): Add condition for SH2A target.
1994 (prefetch_sh2a): New.
1996 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
1997 Naveen.H.S <naveen.hs@kpitcummins.com>
1999 * config/sh/constraints.md (I28): New constraint.
2000 * config/sh/sh.c (broken_move): Add support for movi20s.
2001 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
2003 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
2004 Jayant Sonar <Jayant.sonar@kpitcummins.com>
2005 Naveen.H.S <naveen.hs@kpitcummins.com>
2007 * config/sh/sh.c (SH_ATTRIBUTES): Define.
2008 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
2009 (print_operand): Handle resbank in %@ operand code.
2010 (sh_encode_section_info): New.
2011 (push_regs): Add conditions for resbank.
2012 (sh_expand_epilogue): Likewise.
2013 (sh_insert_attributes): Likewise.
2014 (sh_attribute_table): Likewise.
2015 (sh_handle_resbank_handler_attribute): New.
2016 (sh2a_handle_function_vector_handler_attribute): New.
2017 (sh2a_is_function_vector_call): New.
2018 (sh2a_get_function_vector_number): New.
2019 (sh2a_function_vector_p): New.
2020 (sh_cfun_resbank_handler_p): New.
2021 * config/sh/sh.md (calli): Emit jsr/n if possible.
2022 (calli_tbr_rel): New.
2023 (calli_pcrel): Emit jsr/n if possible.
2024 (return_i): Emit rts/n if possible.
2025 (call_valuei_tbr_rel): New.
2026 (call_valuei_pcrel): Add condition for SH2A target.
2027 (call_value): Likewise.
2028 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
2029 (sh2a_get_function_vector_number): Likewise.
2030 (sh2a_is_function_vector_call): Likewise.
2031 * doc/extend.texi: Document TBR relative addressing of SH2A.
2032 (resbank): Add description for SH2A.
2034 2008-03-24 Richard Guenther <rguenther@suse.de>
2037 * gimplify.c (gimplify_modify_expr): For frontend type-correct
2038 pointer assignments change conversions according to middle-end rules.
2039 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
2040 * configure.ac: Include type checking in yes.
2041 * configure: Regenerate.
2043 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2045 * diagnostic.c (diagnostic_count_diagnostic): Delete.
2046 (diagnostic_report_diagnostic): Update. Handle ICEs here.
2048 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
2050 * gthr-vxworks.h (UNUSED): Define.
2052 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
2054 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and
2057 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
2059 * doc/extend.texi (Function Attributes): Add missing comma in the
2060 example of the "alloc_size" attribute.
2062 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
2065 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
2067 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2070 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
2073 * stor-layout.c (update_alignment_for_field): Set minimum alignment
2074 of the underlying type of a MS bitfield layout to the natural
2075 alignment of the type.
2077 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
2079 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
2080 to their natural alignment to avoid store forwarding stalls.
2082 2008-03-22 Richard Guenther <rguenther@suse.de>
2084 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
2085 For PHI nodes verify the address is invariant.
2086 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
2087 (get_symbol_constant_value): Use is_gimple_min_invariant.
2088 (maybe_fold_stmt_indirect): Likewise.
2090 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
2092 PR rtl-optimization/33927
2093 * Makefile.in (dse.o): Depend on $(TM_P_H).
2094 * expr.h (extract_low_bits): Declare.
2095 * expmed.c (extract_low_bits): New function.
2096 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
2097 * dse.c: Include tm_p.h.
2098 (find_shift_sequence): Remove the read_reg argument and return the
2099 read value. Emit the instructions instead of returning them.
2100 Iterate on new_mode rather than calculating it each time.
2101 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
2102 source to NEW_MODE and extract_low_bits to convert the shifted
2104 (replace_read): Allow the load and store to have different mode
2105 classes. Use extract_low_bits when SHIFT == 0. Create the shift
2106 or extraction instructions before trying the replacement. Update
2107 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
2109 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
2111 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
2112 to their natural alignment to avoid store forwarding stalls.
2114 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
2117 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
2118 encouraging but not allowing gprs for input;
2119 change the input constraint to !f#r.
2120 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
2122 change the output constraint to !f#r.
2124 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
2127 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
2128 corresponding post-reload splitters.
2129 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
2130 when x87 FP math is selected.
2131 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
2132 New function prototype.
2133 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
2134 unreachable function to ease macroization of insn patterns.
2136 2008-03-21 Martin Jambor <mjambor@suse.cz>
2138 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
2139 reference dumps if ddr is NULL or dependence is unknown.
2141 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2143 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
2144 unsigned extension into account.
2145 (ATOMIC_COMPARE_AND_SWAP): Likewise.
2146 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
2147 Do computations on a scratch register.
2149 2008-03-21 Richard Guenther <rguenther@suse.de>
2151 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
2152 Use is_gimple_min_invariant instead of TREE_INVARIANT.
2153 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
2154 * tree-ssa-dom.c (record_equality): Likewise.
2155 * tree-inline.c (copy_body_r): Likewise.
2156 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
2159 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2161 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
2162 as 'delete_unused' argument.
2164 2008-03-20 Richard Guenther <rguenther@suse.de>
2166 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2167 special casing of constant qualifiers.
2168 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
2169 care about them in general.
2170 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
2171 regardless of their type.
2172 (fold_stmt_r): Forcefully fold *& if we end up with that.
2174 2008-03-20 Paul Brook <paul@codesourcery.com>
2176 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
2177 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
2179 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
2181 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
2182 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
2184 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
2186 * common.opt (Wmudflap): New option.
2187 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
2188 (mx_register_decls): Likewise.
2189 (mudflap_finish_file): Likewise.
2190 * doc/invoke.texi: Document -Wno-mudflap.
2192 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
2194 * c-format.c (replace_format_name_to_system_name): New.
2196 (convert_format_name_to_system_name): New.
2197 (decode_format_attr): Add use of convert_format_name_to_system_name.
2198 (format_types_orig): Add gnu_ prefix to names.
2199 (check_format_info_main): Special treating of \0 escaped names for
2200 supporting multi-character format specifiers as I32, I64.
2201 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
2202 (gnu_target_overrides_format_attributes): New.
2203 * c-format.h: Add structure target_ovr_attr to hold
2204 system specific formatter names.
2205 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
2206 msformat-c.o file to c_target_objs and cxx_target_objs.
2207 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
2208 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
2209 (TARGET_N_FORMAT_TYPES): New.
2210 * config/i386/msformat-c.c: New.
2211 * config/i386/t-cygming: Add build rule for msformat-c.o.
2212 * doc/extend.texi: Add new format names gnu_* and ms_* and
2214 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
2216 2008-03-20 Ira Rosen <irar@il.ibm.com>
2218 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
2219 optimizations turned on under -O3.
2220 (ftree-vectorize): Add that the flag is turned on with -O3.
2222 2008-03-20 Ben Elliston <bje@au.ibm.com>
2224 * regmove.c (try_auto_increment): Fix spelling error in comment.
2225 * final.c (final_scan_insn): Likewise.
2227 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
2230 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
2231 allocator preferences for "y" and "r" class registers.
2232 ("*mov<mode>_internal"): Ditto.
2233 ("*movv2sf_internal_rex64"): Ditto.
2234 ("*movv2sf_internal"): Ditto.
2236 2008-03-19 Michael Matz <matz@suse.de>
2239 * calls.c (expand_call): Check overlap of arguments with call
2240 address for sibcalls.
2242 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
2245 * stor-layout.c (update_alignment_for_field): Set minimum alignment
2246 of the underlying type of a MS bitfield layout to the natural
2247 alignment of the type.
2249 2008-03-19 Jan Hubicka <jh@suse.cz>
2252 * toplev.c (decode_d_option): Handle all CPP flags.
2253 * tree-vrp.c: Update tree_pass descriptors.
2254 * regrename.c: Update tree_pass descriptors.
2255 * fwprop.c: Update tree_pass descriptors.
2256 * doc/invoke.texi: Remove documentation of dropped -d? flags.
2257 * tree-into-ssa.c: Update tree_pass descriptors.
2258 * tree-dump.c: Update tree_pass descriptors.
2259 * tree-complex.c: Update tree_pass descriptors.
2260 * tree-dump.h: Update tree_pass descriptors.
2261 * see.c: Update tree_pass descriptors.
2262 * cgraphbuild.c: Update tree_pass descriptors.
2263 * tracer.c: Update tree_pass descriptors.
2264 * tree-loop-distribution.c: Update tree_pass descriptors.
2265 * cgraph.c: Update tree_pass descriptors.
2266 * postreload-gcse.c: Update tree_pass descriptors.
2267 * postreload.c: Update tree_pass descriptors.
2268 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
2269 * tree-tailcall.c: Update tree_pass descriptors.
2270 * tree-pass.h (tree_opt_pass): Rename to ...
2271 (opt_pass) ... this one; add "type" field and remove letter field.
2272 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
2273 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
2274 all_lowering_passes): Update declaration.
2275 * ipa-cp.c: Update tree_pass descriptors.
2276 * final.c: Update tree_pass descriptors.
2277 * omp-low.c: Update tree_pass descriptors.
2278 * tree-ssa-dse.c: Update tree_pass descriptors.
2279 * ipa-reference.c: Update tree_pass descriptors.
2280 * tree-ssa-uncprop.c: Update tree_pass descriptors.
2281 * auto-inc-dec.c: Update tree_pass descriptors.
2282 * reorg.c: Update tree_pass descriptors.
2283 * cgraphunit.c: Update tree_pass descriptors.
2284 * tree-ssa-copyrename.c: Update tree_pass descriptors.
2285 * tree-ssa-ccp.c: Update tree_pass descriptors.
2286 * df-core.c: Update tree_pass descriptors.
2287 * mode-switching.c: Update tree_pass descriptors.
2288 * tree-nomudflap.c: Update tree_pass descriptors.
2289 * modulo-sched.c: Update tree_pass descriptors.
2290 * ipa-pure-const.c: Update tree_pass descriptors.
2291 * cse.c: Update tree_pass descriptors.
2292 * web.c: Update tree_pass descriptors.
2293 * tree-stdarg.c: Update tree_pass descriptors.
2294 * tree-ssa-math-opts.c: Update tree_pass descriptors.
2295 * tree-ssa-dom.c: Update tree_pass descriptors.
2296 * tree-nrv.c: Update tree_pass descriptors.
2297 * tree-ssa-alias.c: Update tree_pass descriptors.
2298 * loop-init.c: Update tree_pass descriptors.
2299 * gimple-low.c: Update tree_pass descriptors.
2300 * ipa-inline.c: Update tree_pass descriptors.
2301 * tree-ssa-sink.c: Update tree_pass descriptors.
2302 * global.c: Update tree_pass descriptors.
2303 * ifcvt.c: Update tree_pass descriptors.
2304 * jump.c: Update tree_pass descriptors.
2305 * predict.c: Update tree_pass descriptors.
2306 * tree-ssa-loop.c: Update tree_pass descriptors.
2307 * recog.c: Update tree_pass descriptors.
2308 * dse.c: Update tree_pass descriptors.
2309 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
2310 * tree-eh.c: Update tree_pass descriptors.
2311 * regmove.c: Update tree_pass descriptors.
2313 * function.c: Update tree_pass descriptors.
2314 * tree-vectorizer.c: Update tree_pass descriptors.
2315 * gcse.c: Update tree_pass descriptors.
2316 * ipa-type-escape.c: Update tree_pass descriptors.
2317 * tree-if-conv.c: Update tree_pass descriptors.
2318 * init-regs.c: Update tree_pass descriptors.
2319 * ipa.c: Update tree_pass descriptors.
2320 * tree-ssa-phiopt.c: Update tree_pass descriptors.
2321 * rtl-factoring.c: Update tree_pass descriptors.
2322 * lower-subreg.c: Update tree_pass descriptors.
2323 * bt-load.c: Update tree_pass descriptors.
2324 * tree-dfa.c: Update tree_pass descriptors.
2325 * except.c: Update tree_pass descriptors.
2326 * emit-rtl.c: Update tree_pass descriptors.
2327 * cfgexpand.c: Update tree_pass descriptors.
2328 * tree-cfgcleanup.c: Update tree_pass descriptors.
2329 * cfgcleanup.c: Update tree_pass descriptors.
2330 * tree-ssa-pre.c: Update tree_pass descriptors.
2331 * tree-sra.c: Update tree_pass descriptors.
2332 * tree-mudflap.c: Update tree_pass descriptors.
2333 * tree-ssa-copy.c: Update tree_pass descriptors.
2334 * cfglayout.c: Update tree_pass descriptors.
2335 * tree-ssa-forwprop.c: Update tree_pass descriptors.
2336 * tree-ssa-dce.c: Update tree_pass descriptors.
2337 * tree-ssa.c: Update tree_pass descriptors.
2338 * regclass.c: Update tree_pass descriptors.
2339 * integrate.c: Update tree_pass descriptors.
2340 * tree-optimize.c: Update tree_pass descriptors.
2341 * tree-ssa-phiprop.c: Update tree_pass descriptors.
2342 * tree-object-size.c: Update tree_pass descriptors.
2343 * combine.c: Update tree_pass descriptors.
2344 * tree-outof-ssa.c: Update tree_pass descriptors.
2345 * bb-reorder.c: Update tree_pass descriptors.
2346 * stack-ptr-mod.c: Update tree_pass descriptors.
2347 * var-tracking.c: Update tree_pass descriptors.
2348 * tree-profile.c: Update tree_pass descriptors.
2349 * tree-vect-generic.c: Update tree_pass descriptors.
2350 * reg-stack.c: Update tree_pass descriptors.
2351 * sched-rgn.c: Update tree_pass descriptors.
2352 * tree-ssa-structalias.c: Update tree_pass descriptors.
2353 * tree-cfg.c: Update tree_pass descriptors.
2354 * passes.c (current_pass): Update declaration.
2355 (finish_optimization_passes): Update.
2356 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
2357 (register_one_dump_file, register_dump_files_1, next_pass_1):
2359 (init_optimization_passes): Update handling of new types.
2360 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
2361 * ipa-struct-reorg.c: Update tree_pass descriptors.
2362 * tree-ssa-reassoc.c: Update tree_pass descriptors.
2363 * combine-stack-adj.c: Update tree_pass descriptors.
2364 * cfgrtl.c: Update tree_pass descriptors.
2365 * dce.c: Update tree_pass descriptors.
2366 * tree-ssanames.c: Update tree_pass descriptors.
2368 2008-03-19 Richard Guenther <rguenther@suse.de>
2371 * tree-ssa.c (walk_data): New structure.
2372 (warn_uninitialized_var): If not always_executed warn with "maybe"
2374 (execute_early_warn_uninitialized): Compute post-dominators.
2375 Initialize always_executed before processing each basic block.
2377 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
2380 * config/i386/i386.c (x86_this_parameter): Calculate correct location
2381 of "this" pointer when "regparm = N" or "fastcall" is in effect.
2383 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2385 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
2387 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
2389 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
2391 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
2392 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
2393 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
2394 target after ignore has been set, and move there also the commputation
2395 of subtarget and original_target.
2396 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
2397 (LANG_HOOKS_INITIALIZER): Remove it.
2398 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
2400 2008-03-18 Richard Guenther <rguenther@suse.de>
2402 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
2403 found an expression with constants, note that in the VN for the lhs.
2404 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
2405 fold them to constants if possible. Run cleanup_cfg if done so.
2406 (execute_pre): Return todo.
2408 (execute_fre): Likewise.
2409 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
2411 (get_prop_source_stmt): Look through pointer conversions.
2413 2008-03-18 Jan Hubicka <jh@suse.cz>
2415 * tree-pretty-print.c: Include predict.h.
2416 (dump_generic_node): Dump predictor.
2417 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
2418 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
2419 * gimple-low.c (lower_stmt): Likewise.
2420 * expr.c (expand_expr_real): Likewise.
2421 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
2423 (build_predict_expr, build_predict_expr): New.
2424 * predict.h (predictor_name, build_predict_expr): Update.
2425 * c-typeck.c (c_finish_bc_stmt): Add prediction.
2426 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
2427 * predict.def (PRED_CONTINUE): Update hitrate.
2428 * tree.def (PREDICT_EXPR): Define.
2429 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
2430 do not handle BIND_EXPR.
2431 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
2432 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
2433 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
2436 2008-03-18 Michael Matz <matz@suse.de>
2438 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
2440 2008-03-18 Richard Guenther <rguenther@suse.de>
2442 * tree-gimple.h (is_gimple_invariant_address): Declare.
2443 (is_gimple_constant): Likewise.
2444 * tree-gimple.c (is_gimple_constant): New function.
2445 (is_gimple_invariant_address): Likewise.
2446 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
2447 and is_gimple_invariant_address.
2448 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
2450 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
2451 an addressable base.
2453 2008-03-18 Jakub Jelinek <jakub@redhat.com>
2456 * gimplify.c (gimplify_expr): Gimplify second operand of
2459 2008-03-17 Richard Guenther <rguenther@suse.de>
2461 PR tree-optimization/19637
2462 * fold-const.c (fold_unary): Remove restrictions of removing
2463 intermediate pointer-conversions (P2)(P1)P0.
2464 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
2465 conversion to void pointer.
2466 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
2468 2008-03-16 James E. Wilson <wilson@tuliptree.org>
2471 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
2472 emulated thread local variables.
2474 2008-03-16 Richard Guenther <rguenther@suse.de>
2477 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
2478 expand TREE_INVARIANT operations that are not gimple invariant.
2480 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
2482 * doc/extend.texi (Alignment): Say that the ABI controls
2483 the __alignof__ for non-strict-alignment targets rather
2484 than being a recommendation.
2486 2008-03-15 Paul Brook <paul@codesourcery.com>
2488 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
2490 (arm_output_fn_unwind): Mark functions that can not be unwound.
2492 2008-03-15 Paul Brook <paul@codesourcery.com>
2494 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
2495 extension instructions.
2497 2008-03-15 Richard Guenther <rguenther@suse.de>
2499 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
2500 and fold constant aggregate refs.
2501 (fold_const_aggregate_ref): Handle string constants
2502 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
2503 (evaluate_stmt): Simplify now that ccp_fold folds constant
2506 2008-03-15 Paul Brook <paul@codesourcery.com>
2508 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
2509 (extzv): Use gen_extzv_t2.
2510 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
2512 2008-03-15 Richard Guenther <rguenther@suse.de>
2514 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
2515 (fold_const_aggregate_ref): Likewise.
2516 (get_value): Return NULL if we don't have any values.
2517 (ccp_finalize): Set const_val to NULL after freeing it.
2518 * tree-flow.h (get_symbol_constant_value): Declare.
2519 (fold_const_aggregate_ref): Likewise.
2520 * tree-ssa-sccvn.c (try_to_simplify): Use them.
2522 2008-03-15 Richard Guenther <rguenther@suse.de>
2525 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
2526 to not produce negative array indices if not allowed. Add
2527 parameter to indicate that.
2528 (maybe_fold_offset_to_component_ref): Allow negative array
2529 indices only for the first member of a structure.
2530 (maybe_fold_offset_to_reference): Allow negative array indices.
2531 (maybe_fold_stmt_addition): Likewise.
2533 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
2534 Anatoly Sokolov <aesok@post.ru>
2536 * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
2537 (avr_arch): Add ARCH_AVR6.
2538 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
2539 (initial_elimination_offset): Initialize and use 'avr_pc_size'
2540 instead of fixed value 2.
2541 (print_operand_address): Use gs() asm specifier instead of pm().
2542 (avr_assemble_integer): (Ditto.).
2543 (avr_output_addr_vec_elt): (Ditto.).
2544 (print_operand): Handle "!" code.
2545 * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
2546 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
2547 (AVR_HAVE_EIJMP_EICALL): Define.
2548 (AVR_3_BYTE_PC): Redefine.
2549 (AVR_2_BYTE_PC): (Ditto.).
2550 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
2551 (LINK_SPEC): Add atmega2560 and atmega2561.
2552 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
2554 * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
2555 for 3 byte PC devices.
2556 (call_value_insn): (Ditto.).
2557 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
2558 (indirect_jump): Use only for for 2 byte PC devices.
2559 (*tablejump): (Ditto.).
2560 (*indirect_jump_avr6): Add insn.
2561 (*tablejump_rjmp): Don't use for 3 byte PC devices.
2562 * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
2563 instead of ijmp for 3 byte PC devices.
2564 (__tablejump2__): (Ditto.).
2565 * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
2566 (MULITLIB_DIRNAMES): (Ditto.).
2567 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
2569 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
2571 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
2572 "sse2_umulsidi3". Use V1DI mode for operand 0.
2573 ("mmx_psadbw"): Use V1DI mode for operand 0.
2574 * config/i386/i386-modes.def (V1SI): New vector mode.
2575 * config/i386/i386.c (struct builtin_description)
2576 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
2577 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
2578 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
2579 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
2580 v1di_ftype_v8qi_v8qi type.
2581 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
2583 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
2584 __builtin_ia32_pmuludq]: Fix the mode of return value.
2586 2008-03-15 Richard Guenther <rguenther@suse.de>
2589 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
2592 2008-03-14 Bob Wilson <bob.wilson@acm.org>
2594 * doc/invoke.texi (Option Summary, Xtensa Options): Document
2595 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
2596 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
2597 unless TARGET_SERIALIZE_VOLATILE is enabled.
2598 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
2599 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
2600 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
2602 2008-03-14 Richard Guenther <rguenther@suse.de>
2604 PR tree-optimization/34172
2605 * tree-flow.h (refs_may_alias_p): Declare.
2606 (get_single_def_stmt): Likewise.
2607 (get_single_def_stmt_from_phi): Likewise.
2608 (get_single_def_stmt_with_phi): Likewise.
2609 * tree-dfa.c (refs_may_alias_p): New function.
2610 (get_single_def_stmt): Likewise.
2611 (get_single_def_stmt_from_phi): Likewise.
2612 (get_single_def_stmt_with_phi): Likewise.
2613 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
2614 (vn_reference_lookup_1): New helper function.
2615 (vn_reference_lookup): Walk the virtual use-def chain to
2616 continue searching for a match if the def does not alias the
2617 reference we are looking for.
2619 2008-03-14 David Edelsohn <edelsohn@gnu.org>
2621 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
2622 archive and Perzl. Update The Written Word listing.
2624 2008-03-14 Richard Guenther <rguenther@suse.de>
2626 PR tree-optimization/34043
2627 PR tree-optimization/33989
2628 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
2630 (bitmap_find_leader): Use extra argument to verify dominance
2631 relationship inside a basic-block.
2632 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
2633 (find_leader_in_sets): Adjust.
2634 (create_component_ref_by_pieces): Take extra argument for
2635 dominance check, handle lookup failures.
2636 (find_or_generate_expression): Likewise.
2637 (create_expression_by_pieces): Likewise.
2638 (insert_into_preds_of_block): Adjust.
2639 (create_value_expr_from): If asked for, verify all operands
2640 are in the blocks AVAIL_OUT set.
2641 (make_values_for_stmt): Check for SSA_NAMEs that are life
2642 over an abnormal edge.
2643 (compute_avail): Remove such check.
2644 (do_SCCVN_insertion): New function.
2645 (eliminate): If we do not find a leader suitable for replacement
2646 insert a replacement expression from SCCVN if available.
2647 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
2648 (struct vn_ssa_aux): Add needs_insertion flag.
2649 * tree-ssa-sccvn.c (may_insert): New global flag.
2650 (copy_reference_ops_from_ref): Value-number union member access
2651 based on its size, not type and member if insertion is allowed.
2652 (visit_reference_op_load): For a weak match from union type
2653 punning lookup a view-converted value and insert a SSA_NAME
2654 for that value if that is not found.
2655 (visit_use): Make dumps shorter. Do not disallow value numbering
2656 SSA_NAMEs that are life over an abnormal edge to constants.
2657 (free_scc_vn): Release inserted SSA_NAMEs.
2658 (run_scc_vn): New flag to specify whether insertion is allowed.
2659 Process SSA_NAMEs in forward order.
2660 * tree-ssa-loop-im.c (for_each_index): Handle invariant
2661 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
2662 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
2663 pointer type to/from integral types that do not change the
2664 precision to regular conversions.
2666 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
2668 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2669 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2670 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
2671 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
2672 input arguments and the mode of return value. Built-in functions
2673 that operate on whole 64-bit MMX register now use V1DI mode.
2675 2008-03-13 Alon Dayan <alond@il.ibm.com>
2676 Olga Golovanevsky <olga@il.ibm.com>
2678 PR tree-optimization/35041
2679 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
2680 to locate the right position in a statement.
2682 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
2686 * config/i386/xmmintrin.h: Change all static inline functions to
2687 extern inline and add __gnu_inline__ attribute.
2688 * config/i386/bmintrin.h: Ditto.
2689 * config/i386/smmintrin.h: Ditto.
2690 * config/i386/tmmintrin.h: Ditto.
2691 * config/i386/mmintrin-common.h: Ditto.
2692 * config/i386/ammintrin.h: Ditto.
2693 * config/i386/emmintrin.h: Ditto.
2694 * config/i386/pmmintrin.h: Ditto.
2695 * config/i386/mmintrin.h: Ditto.
2696 * config/i386/mm3dnow.h: Ditto.
2698 2008-03-13 Jakub Jelinek <jakub@redhat.com>
2701 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
2702 (lower_omp_2): New function.
2703 (lower_omp_1, lower_omp): Rewritten.
2705 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
2708 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
2709 with the phrase "Microsoft Windows compilers".
2710 (Push/Pop Macro Pragmas): New subsection. Document
2711 #pragma push_macro and pragma pop_macro.
2713 2008-03-12 Paul Brook <paul@codesourcery.com>
2715 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
2717 2008-03-12 Paul Brook <paul@codesourcery.com>
2719 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
2720 (thumb2_alusi3_short): Exclude PLUS and MINUS.
2721 (thumb2_addsi_shortim): Rename ...
2722 (thumb2_addsi_short): ... to this. Allow register operands.
2723 (thumb2_subsi_short): New pattern.
2724 (thumb2_one_cmplsi2_short,
2725 thumb2_negsi2_short): New patterns and peepholes.
2727 2008-03-12 Paul Brook <paul@codesourcery.com>
2729 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
2731 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
2733 * config/i386/i386.md (int_cond): New code iterator.
2735 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
2736 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
2737 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
2738 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
2739 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
2740 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
2741 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
2742 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
2744 2008-03-12 Paul Brook <paul@codesourcery.com>
2746 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
2747 instead of {arm,thumb}_compute_save_reg_mask.
2748 (output_return_instruction): Ditto.
2749 (thumb_unexpanded_epilogue): Ditto.
2750 (thumb1_expand_prologue): Ditto.
2751 (thumb1_output_function_prologue): Ditto.
2752 (arm_set_return_address): Ditto.
2753 (thumb_set_return_address): Ditto.
2754 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
2755 regs to achieve stack alignment.
2756 (thumb1_compute_save_reg_mask): Fix compiler warning.
2757 (arm_output_epilogue): Use offsets->saved_regs_mask.
2758 Adjust stack pointer by poping call clobered registers.
2759 (arm_expand_prologue): Use offsets->saved_regs_mask.
2760 Adjust stack pointer by pushing extra registers.
2761 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
2763 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
2766 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
2767 conversion to the operands of a multiplication.
2769 2008-03-12 Richard Guenther <rguenther@suse.de>
2771 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
2772 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
2773 * timevar.def (TV_TREE_PHIPROP): Add.
2774 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
2775 pass description. Use TV_TREE_PHIPROP.
2776 * tree-ssa-forwprop.c: Remove phiprop code.
2778 2008-03-12 Jakub Jelinek <jakub@redhat.com>
2781 * omp-low.c (maybe_lookup_decl): Constify first argument.
2782 (use_pointer_for_field): Change last argument from bool to
2783 omp_context *. Disallow shared copy-in/out in nested
2784 parallel if decl is shared in outer parallel too.
2785 (build_outer_var_ref, scan_sharing_clauses,
2786 lower_rec_input_clauses, lower_copyprivate_clauses,
2787 lower_send_clauses, lower_send_shared_vars): Adjust callers.
2789 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
2790 Ira Rosen <irar@il.ibm.com>
2792 * tree-vectorizer.c (free_stmt_vec_info): New function.
2793 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
2794 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
2795 * tree-vectorizer.h (free_stmt_vec_info): Declare.
2796 * tree-vect-transform.c (vectorizable_conversion): Free
2797 vec_oprnds0 if it was allocated.
2798 (vect_permute_store_chain): Remove unused VECs.
2799 (vectorizable_store): Free VECs that are allocated in the..
2801 (vect_transform_strided_load, vectorizable_load): Likewise.
2802 (vect_remove_stores): Simplify the code.
2803 (vect_transform_loop): Move code to vect_remove_stores().
2804 Call vect_remove_stores() and free_stmt_vec_info().
2806 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2808 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
2809 TARGET_HPUX. Revise comment.
2810 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
2811 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
2812 Use sr4 variant of `be' instruction when not generating PIC code.
2813 (attr_length_call): Adjust for above change.
2815 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2817 * ipa-reference.c (static_execute): Remove module_statics_const and
2818 associated setting code.
2820 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
2823 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
2824 predicate for operand 1.
2825 (paritysi2_cmp): Use register_operand predicate for operand 2.
2826 Use earlyclobber modifier for operand 1. Remove support for
2828 (paritydi2_cmp): Use register_operand predicate for operand 3.
2829 Use earlyclobber modifier for operand 1. Remove support for
2832 2008-03-11 Paul Brook <paul@codesourcery.com>
2833 Vladimir Prus <vladimir@codesourcery.com>
2835 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
2836 (arm_compute_save_reg0_reg12_mask): Always
2837 check if register 11 must be saved. Always safe hard frame pointer
2838 when frame_pointer_needeed.
2839 (arm_compute_save_reg_mask): Save IP and PC
2840 only with apcs frames.
2841 (arm_output_epilogue): Adjust Thumb2 codepath to
2842 be also invoked and work for ARM non-apcs frames.
2843 (arm_expand_prologue): Don't bother saving IP
2844 for non-apcs frame, since it's not clobbered by
2845 prologue code. Implement non-apcs frame
2848 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
2850 PR rtl-optimization/35281
2851 * expr.c (convert_move): Use a new pseudo for the intermediate
2852 from_mode->word_mode result.
2854 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
2856 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
2857 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
2858 * toplev.c (compile_file): Don't call it.
2860 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
2863 * expr.c (store_expr): Call emit_block_move if the mode
2864 of "temp" RTX is BLKmode.
2866 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2867 Richard Guenther <rguenther@suse.de>
2869 PR tree-optimization/31358
2870 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
2871 the step with a NULL_TREE.
2872 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
2873 to sizetype if type is a pointer type.
2874 (add_candidate_1): Don't convert the base and step to
2875 the generic type if the orginal type is a pointer type.
2876 (add_iv_value_candidates): Use sizetype for the step
2877 if type is a pointer type.
2878 (cand_value_at): Likewise.
2879 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
2881 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
2882 Don't convert the tem affine to the type.
2883 (add_elt_to_tree): Use sizetype for the step if a pointer.
2884 Use POINTER_PLUS_EXPR for pointers.
2885 (aff_combination_to_tree): Use sizetype for the step if a
2888 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
2890 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
2891 Remove commutativity hint.
2893 2008-03-10 Jakub Jelinek <jakub@redhat.com>
2897 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
2898 errorneous type. Check that v is a VAR_DECL.
2901 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
2903 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
2905 PR tree-optimization/35494
2906 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
2907 may be overriden at link and run time.
2909 2008-03-10 Richard Guenther <rguenther@suse.de>
2911 PR tree-optimization/34677
2912 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
2913 (poolify_tree): Likewise.
2914 (modify_expr_template): Likewise.
2915 (poolify_modify_stmt): Likewise.
2916 (insert_fake_stores): Handle all component-ref style stores
2917 in addition to INDIRECT_REF. Also handle complex types.
2918 Do not poolify the inserted load.
2919 (realify_fake_stores): Do not rebuild the tree but only
2920 make it a SSA_NAME copy.
2921 (init_pre): Remove initialzation of modify_expr_template.
2922 Do not allocate modify_expr_node_pool.
2923 (fini_pre): Do not free modify_expr_node_pool.
2925 2008-03-10 Paul Brook <paul@codesourcery.com>
2927 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
2930 2008-03-10 Paul Brook <paul@codesourcery.com>
2931 Mark Shinwell <shinwell@codesourcery.com>
2933 * config/arm/cortex-r4.md: New.
2934 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
2936 * config/arm/arm.md: Include cortex-r4.md.
2937 (insn): Add smmls, sdiv and udiv values.
2938 (generic_sched): Don't use generic scheduling for Cortex-R4.
2939 (arm_issue_rate): New function.
2940 (TARGET_SCHED_ISSUE_RATE): Define.
2942 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
2944 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
2946 2008-03-10 Richard Guenther <rguenther@suse.de>
2948 * tree-ssa-pre.c (get_sccvn_value): Simplify.
2949 (compute_avail): Do not add stmt uses to AVAIL_OUT.
2951 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
2953 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2954 Set default to true.
2956 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2958 * c.opt (Wsynth): Deprecate.
2959 * doc/invoke.texi (Option Summary, Warning Options): Document
2960 -Wno-format-contains-nul.
2962 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
2965 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
2966 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
2968 2008-03-09 Ira Rosen <irar@il.ibm.com>
2970 * config/rs6000/rs6000.c (builtin_description): Rename vector
2971 left shift operations.
2972 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
2973 (altivec_vsl<VI_char>): Rename to ...
2974 (ashl<mode>3): ... new name.
2975 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
2977 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
2979 2008-03-08 Richard Guenther <rguenther@suse.de>
2981 * coverage.h (tree_coverage_counter_addr): Declare.
2982 * coverage.c (tree_coverage_counter_addr): New function.
2983 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
2985 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
2986 (tree_gen_one_value_profiler): Likewise.
2987 (tree_gen_ic_profiler): Likewise.
2988 (tree_gen_average_profiler): Likewise.
2989 (tree_gen_ior_profiler): Likewise.
2991 2008-03-08 Richard Guenther <rguenther@suse.de>
2993 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
2994 (vn_binary_op_insert): Likewise.
2995 (vn_unary_op_lookup): Likewise.
2996 (vn_unary_op_insert): Likewise.
2997 (vn_nary_op_lookup): Declare.
2998 (vn_nary_op_insert): Likewise.
2999 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
3000 and binary hashes, use a single obstack for unary_op_pool
3002 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
3003 a single struct vn_nary_op_s. Store tree code length and
3004 a variable number of operands.
3005 (struct vn_reference_op_struct): Remove unused op2.
3006 (vn_reference_op_eq): Do not compare op2.
3007 (vn_reference_op_compute_hash): Do not compute hash of op2.
3008 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
3009 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
3010 with vn_nary_op_compute_hash.
3011 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
3012 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
3014 (vn_unary_op_insert, vn_binary_op_insert): Replace with
3016 (visit_unary_op): Call nary functions.
3017 (visit_binary_op): Likewise.
3018 (process_scc): Adjust for struct vn_tables_s changes.
3019 (allocate_vn_table): Likewise.
3020 (free_vn_table): Likewise.
3021 * tree-vn.c (vn_add): Call nary functions.
3022 (vn_lookup): Likewise.
3024 2008-03-08 Jakub Jelinek <jakub@redhat.com>
3027 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
3028 wdst back after sync_compare_and_swapqhi_internal.
3030 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
3033 * config/i386/i386-modes.def (V1DI): New vector mode.
3034 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
3035 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
3036 (MMXMODE248): Ditto.
3037 (MMXMODE): Add V1DI mode.
3038 (mmxvecsize): Change DI mode to V1DI mode.
3039 ("mov<mode>): Use MMXMODEI8 mode iterator.
3040 ("*mov<mode>_internal_rex64"): Ditto.
3041 ("*mov<mode>_internal"): Ditto.
3042 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
3043 ("mmx_sub<mode>3"): Ditto.
3044 ("mmx_adddi3"): Remove insn pattern.
3045 ("mmx_subdi3"): Ditto.
3046 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
3047 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
3048 ("mmx_ashl<mode>3"): Ditto.
3049 ("mmx_lshrdi3"): Remove insn pattern.
3050 ("mmx_ashldi3"): Ditto.
3051 * config/i386/i386.c (classify_argument): Handle V1DImode.
3052 (function_arg_advance_32): Ditto.
3053 (function_arg_32): Ditto.
3054 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
3055 mmx_addv1di3 insn pattern.
3056 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
3057 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
3058 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
3059 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
3060 Remove definitions of built-in functions.
3061 (V1DI_type_node): New node.
3062 (v1di_ftype_v1di_int): Ditto.
3063 (v1di_ftype_v1di_v1di): Ditto.
3064 (v2si_ftype_v2si_si): Ditto.
3065 (v4hi_ftype_v4hi_di): Remove node.
3066 (v2si_ftype_v2si_di): Ditto.
3067 (ix86_init_mmx_sse_builtins): Handle V1DImode.
3068 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
3069 Redefine builtins using def_builtin_const with *_ftype_*_int node.
3070 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
3071 Add new builtins using def_builtin_const.
3072 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
3073 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
3074 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
3075 * config/i386/mmintrin.h (__v1di): New typedef.
3076 (_mm_add_si64): Cast arguments to __v1di type.
3077 (_mm_sub_si64): Ditto.
3078 (_mm_sll_pi16): Cast __count to __v4hi type.
3079 (_mm_sll_pi32): Cast __count to __v2si type.
3080 (_mm_sll_si64): Cast arguments to __v1di type.
3081 (_mm_srl_pi16): Cast __count to __v4hi type.
3082 (_mm_srl_pi32): Cast __count to __v2si type.
3083 (_mm_srl_si64): Cast arguments to __v1di type.
3084 (_mm_sra_pi16): Cast __count to __v4hi type.
3085 (_mm_sra_pi32): Cast __count to __v2si type.
3086 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
3087 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
3088 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
3089 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
3090 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
3091 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
3092 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
3093 (_mm_srai_pi32): Use __builtin_ia32_psradi.
3094 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
3095 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
3096 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
3097 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
3099 2008-03-07 Joseph Myers <joseph@codesourcery.com>
3101 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
3103 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
3106 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
3107 reg+const addressing for Altivec modes. Don't generate reg+reg
3108 addressing for TFmode or TDmode quantities.
3110 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
3112 * c-common.c (vector_types_convertible_p): Call langhook
3113 instead of comptypes.
3115 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3118 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
3119 integral and scalar float variables which have a
3122 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
3124 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
3125 dwarf_register_span hook when emitting unwind information for
3126 register-to-memory saves.
3127 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
3128 (rs6000_frame_related): Remove call to spe_synthesize_frame.
3130 2008-03-06 Jakub Jelinek <jakub@redhat.com>
3132 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
3133 for the same VAR_DECL.
3135 2008-03-06 Tom Tromey <tromey@redhat.com>
3138 * doc/standards.texi (Standards): Don't mention treelang.
3139 * doc/invoke.texi (Overall Options): Don't mention treelang.
3140 * doc/install.texi (Prerequisites): Don't mention bison or
3142 (Configuration): Don't mention treelang.
3143 (Building): Likewise.
3144 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
3146 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
3148 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
3149 word-extractions out of a multi-word object.
3151 2008-03-06 Richard Guenther <rguenther@suse.de>
3153 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
3154 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
3155 result type and precision.
3156 * expr.c (get_inner_reference): Set unsignedp based on the result
3157 type of BIT_FIELD_REF.
3158 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
3159 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
3160 (try_instantiate_multiple_fields): Likewise. Use the correct type
3162 (sra_build_assignment): Likewise.
3163 (sra_build_elt_assignment): Likewise.
3164 (sra_explode_bitfield_assignment): Likewise.
3165 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
3166 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
3167 set BIT_FIELD_REF_UNSIGNED.
3168 (vectorizable_load): Likewise.
3170 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
3172 * cse.c (cse_extended_basic_block): Invalidate artificial defs
3175 2008-03-06 Richard Guenther <rguenther@suse.de>
3177 * alias.c (struct alias_set_entry): Move has_zero_child field
3178 to pack with alias_set.
3180 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
3182 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3185 2008-03-05 Ian Lance Taylor <iant@google.com>
3187 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
3189 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
3191 * fwprop.c (update_df): Support width and offset parameters of
3193 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
3194 global_conflicts): Change DF_REF_EXTRACT to either
3195 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3196 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3197 * df-scan.c (df_ref_record, df_defs_record,
3198 df_ref_create_structure, df_def_record_1, df_uses_record,
3199 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
3200 df_bb_refs_collect, df_entry_block_defs_collect,
3201 df_exit_block_uses_collect): Support new width and offset fields.
3202 (ref_extract_pool): New storage pool.
3203 (df_free_ref): New function.
3204 (df_reg_chain_unlink, df_free_collection_rec,
3205 df_sort_and_compress_refs): Call df_free_ref.
3206 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
3208 (df_ref_create_structure): Allocate df_ref_extract if offset and
3209 width fields are used.
3210 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
3211 (df_uses_record): Get offset and width from ZERO_EXTRACT
3213 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
3214 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3215 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3216 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
3217 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3218 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3219 (df_ref_extract): New structure.
3220 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
3221 (df_ref_create): Add width and offset parameters.
3223 2008-03-05 Richard Guenther <rguenther@suse.de>
3225 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3226 Use ranges_overlap_p.
3227 (offset_overlaps_with_access): Rename
3228 to ranges_overlap_p and move ...
3229 * tree-flow-inline.h (ranges_overlap_p): ... here.
3231 * tree.h (get_inner_reference, handled_component_p): Update
3234 * tree.h (record_component_aliases, get_alias_set,
3235 alias_sets_conflict_p, alias_sets_must_conflict_p,
3236 objects_must_conflict_p): Move declarations ...
3237 * alias.h (record_component_aliases, get_alias_set,
3238 alias_sets_conflict_p, alias_sets_must_conflict_p,
3239 objects_must_conflict_p): ... here.
3240 Include coretypes.h.
3241 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
3243 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
3245 * cfg.c: Include tree-flow.h.
3246 (remove_edge_raw): Call redirect_edge_var_map_clear.
3247 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
3248 * tree-flow-inline.h (redirect_edge_var_map_def): New.
3249 (redirect_edge_var_map_result): New.
3250 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
3251 PENDING_STMT use with redirect_edge_var_map_*.
3252 * tree-ssa.c (edge_var_maps): New definition.
3253 (redirect_edge_var_map_add): New.
3254 (redirect_edge_var_map_clear): New.
3255 (redirect_edge_var_map_dup): New.
3256 (redirect_edge_var_map_vector): New.
3257 (redirect_edge_var_map_destroy): New.
3258 (ssa_redirect_edge): Replace PENDING_STMT use with
3259 redirect_edge_var_map_*.
3260 (flush_pending_stmts): Same.
3261 (delete_tree_ssa): Destroy edge var map.
3262 * tree-flow.h (struct _edge_var_map): New.
3263 Define edge_var_map vector type.
3264 Declare redirect_edge_var_map_* prototypes.
3265 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
3266 * tree-cfg.c (reinstall_phi_args): Replace
3267 PENDING_STMT use with redirect_edge_var_map_*.
3269 2008-03-05 Richard Guenther <rguenther@suse.de>
3271 PR tree-optimization/35472
3272 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
3273 whose single use_stmt has a overlapping set of loaded and
3274 stored symbols as that use_stmt might be a noop assignment then.
3276 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3278 * gthr-rtems.h: Implement __gthread_mutex_destroy.
3280 2008-03-05 Richard Guenther <rguenther@suse.de>
3283 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
3284 should be constants.
3285 * tree-cfg.c (verify_expr): Verify it.
3286 * fold-const.c (fold_truthop): Remove code generating
3287 BIT_FIELD_REFs of structure bases.
3288 (fold_binary): Likewise.
3289 (fold_ternary): Position and size of BIT_FIELD_REFs are
3290 always host integers.
3291 (make_bit_field_ref): Remove.
3292 (optimize_bit_field_compare): Remove.
3293 (all_ones_mask_p): Remove.
3295 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
3298 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
3299 (split_block_and_df_analyze): New. Split basic block and rebuild
3301 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
3303 (split_pattern_seq): Likewise.
3304 (erase_matching_seqs): Likewise.
3305 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
3307 2008-03-04 Geoff Keating <geoffk@apple.com>
3309 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
3310 declaration and code.
3311 (tree_invalid_nonnegative_warnv_p): Likewise.
3313 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3315 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
3316 examples. Truncate option-names then causing overfull hbox.
3318 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3321 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
3323 * configure: Rebuilt.
3325 2008-03-04 Rafael Espindola <espindola@google.com>
3327 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
3328 (tree_unary_nonnegative_warnv_p): New.
3329 (tree_binary_nonnegative_warnv_p): New.
3330 (tree_single_nonnegative_warnv_p): New.
3331 (tree_invalid_nonnegative_warnv_p): New.
3332 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
3334 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3337 * opts.c (handle_option): Postpone 'unknown option' errors only for
3340 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
3343 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
3346 2008-03-04 Rafael Espindola <espindola@google.com>
3348 * fold-const.c (tree_unary_nonzero_warnv_p): New.
3349 (tree_binary_nonzero_warnv_p): New.
3350 (tree_single_nonzero_warnv_p): New.
3351 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
3353 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
3356 * fold-const.c (fold_cond_expr_with_comparison): Prevent
3357 transformations for modes that have signed zeros.
3358 * ifcvt.c (noce_try_abs): Ditto.
3360 2008-03-04 Joseph Myers <joseph@codesourcery.com>
3362 * config/i386/i386.c (override_options): Force
3363 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
3365 2008-03-04 Jan Hubicka <jh@suse.cz>
3368 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
3371 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
3373 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
3374 label to probe the stack.
3376 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
3378 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
3379 (__gthr_win32_mutex_destroy): Declare.
3380 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
3381 __gthr_win32_mutex_destroy.
3382 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
3384 2008-03-03 Jan Hubicka <jh@suse.cz>
3387 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
3388 aggressive on inlining cold calls.
3390 2008-03-03 Richard Guenther <rguenther@suse.de>
3392 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
3393 struct copies into the expression table.
3394 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
3395 (try_to_simplify): Likewise.
3396 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
3397 integral and pointer arguments which do not change the
3398 precision to NOP_EXPRs.
3399 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
3400 VIEW_CONVERT_EXPR case.
3402 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
3404 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
3405 defined in a loop at depth 0 is invariant.
3406 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
3407 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
3408 be called at loop depth 0.
3410 2008-03-02 Jakub Jelinek <jakub@redhat.com>
3413 * gcc.c (process_command): Update copyright notice dates.
3414 * gcov.c (print_version): Likewise.
3415 * gcov-dump.c (print_version): Likewise.
3416 * mips-tfile.c (main): Likewise.
3417 * mips-tdump.c (main): Likewise.
3419 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3422 * c-common.c (flag_permissive): Delete.
3423 (constant_expression_warnings): Check flags first.
3424 (constant_expression_error): New.
3425 * c-common.h (flag_permissive): Delete.
3426 (constant_expression_error): Declare.
3427 * flags.h (flag_permissive): Declare. Update description.
3428 * diagnostic.c (pedwarn): Update.
3430 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
3431 (permissive_error_kind): New.
3432 * toplev.c (flag_permissive): Define. Update description.
3433 * toplev.h (permissive_error_kind): Declare.
3434 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
3435 (pedwarn_c90): Use pedantic_warning_kind.
3436 * c-opts.c (c_common_post_options): flag_permissive does not affect
3437 flag_pedantic_errors.
3439 2008-03-02 Joseph Myers <joseph@codesourcery.com>
3441 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
3442 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
3443 __absvsi2, __absvDI2): Use unsigned arithmetic.
3445 2008-03-02 Andi Kleen <ak@suse.de>
3446 Richard Guenther <rguenther@suse.de>
3448 * struct-equiv.c: Remove file.
3449 * cfg_cleanup.c (condjump_equiv_p): Remove.
3450 * Makefile.in (OBJS-common): Remove struct-equiv.o.
3451 (struct-equiv.o): Remove rule.
3452 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
3453 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
3454 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
3456 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3458 * ifcvt.c (noce_process_if_block): Try to handle only the then
3459 block if the else block exists but isn't suitable.
3461 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
3464 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
3465 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
3466 regression from previous patch.
3468 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
3471 * gthr.h: Add __gthread_mutex_destroy as a function that must be
3473 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
3474 * gthr-single.h (__gthread_mutex_destroy): Likewise.
3475 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
3476 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
3477 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
3478 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
3479 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
3480 (__gthread_mutex_destroy_function): Rename to
3481 __gthread_mutex_destroy.
3482 * gthr-dce.h (__gthread_mutex_destroy): Call
3483 pthread_mutex_destroy.
3484 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
3485 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
3486 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
3488 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3490 * df-scan.c (df_ref_chain_change_bb): Simplify.
3491 (df_insn_change_bb): Add new_bb argument. Simplify. Call
3492 set_block_for_insn if there's any change.
3493 * df.h ((df_insn_change_bb): Fix prototype.
3494 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
3495 df_insn_change_bb, don't call set_block_for_insn.
3496 * emit-rtl.c (reorder_insns): Likewise.
3497 * haifa-sched.c (move_insn): Likewise.
3499 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3501 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
3503 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3505 * tree-flow-inline.h (next_readonly_imm_use): Return
3506 NULL_USE_OPERAND_P after the end.
3508 2008-03-01 Richard Guenther <rguenther@suse.de>
3510 PR tree-optimization/35411
3511 * tree-sra.c (sra_build_assignment): Split conversion to
3512 final type to a separate statement if we are not assigning
3515 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3517 * fold-const.c (fold_convertible_p): Correct the logic to follow
3518 that in fold_convert().
3520 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
3523 * tree-inline.c (build_duplicate_type): When we make a
3524 duplicate type, make it unique in the canonical types system.
3526 2008-02-29 Tom Tromey <tromey@redhat.com>
3528 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
3529 input_file_stack_history, input_file_stack_restored): Remove.
3530 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3531 * input.h (struct file_stack): Remove.
3532 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3533 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
3535 * diagnostic.h (struct diagnostic_context) <last_module>: Change
3537 (diagnostic_last_module_changed): Add 'map' argument.
3538 (diagnostic_set_last_function): Likewise.
3539 * diagnostic.c (undiagnostic_report_current_module): Iterate using
3540 line map, not input_file_stack.
3541 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
3543 2008-02-29 Paul Brook <paul@codesourcery.com>
3545 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
3547 2008-02-29 Paul Brook <paul@codesourcery.com>
3549 * config/arm/ieee754-df.S (muldf3): Use RET macros.
3551 2008-02-29 Richard Guenther <rguenther@suse.de>
3553 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
3555 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
3556 value for comparing for a store match.
3557 (simplify_unary_expression): Do nothing for SSA_NAMEs.
3558 (try_to_simplify): Do not do a full-blown reference lookup.
3560 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
3562 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
3563 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3565 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
3567 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
3569 * tree-loop-linear.c (try_interchange_loops): Compare memory access
3570 strides against cache sizes.
3572 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
3574 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
3577 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
3579 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
3580 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
3581 is smaller than the original promoted value.
3582 (simplify_subreg): If OP is a SUBREG, try to preserve its
3583 SUBREG_PROMOTED_VAR_P information.
3585 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3587 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
3588 (VN_INFO_GET): Allocate new objects on the obstack.
3589 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
3590 for rpo_numbers_temp, for consistency.
3591 (free_scc_vn): Free the obstack.
3593 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
3595 * doc/invoke.texi: Document -ftree-loop-distribution.
3596 * tree-loop-distribution.c: New.
3597 * tree-pass.h (pass_loop_distribution): New.
3598 * graphds.h (struct graph): Add htab_t indices.
3599 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
3600 * tree-vectorizer.c (rename_variables_in_loop): Extern.
3601 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
3602 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
3603 * tree-data-ref.c (debug_data_dependence_relations): New.
3604 (dump_data_dependence_relation): Also print data references.
3605 (free_data_ref): Extern.
3606 (same_access_functions): Moved...
3607 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
3608 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3609 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
3610 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
3611 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
3612 (stmts_from_loop): Skip LABEL_EXPR.
3613 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
3615 (build_rdg): Initialize rdg->indices htab.
3616 (free_rdg, stores_from_loop, ref_base_address,
3617 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
3618 have_similar_memory_accesses_1, ref_base_address_1,
3619 remove_similar_memory_refs): New.
3620 * tree-data-ref.h: Depend on tree-chrec.h.
3621 (debug_data_dependence_relations, free_data_ref): Declared.
3622 (same_access_functions): ... here.
3623 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
3625 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
3626 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
3627 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
3628 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3629 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
3630 rdg_vertex_for_stmt): Declared.
3631 (struct rdg_edge): Add level.
3633 (free_rdg, stores_from_loop, remove_similar_memory_refs,
3634 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
3636 (rdg_has_similar_memory_accesses): New.
3637 * tree-vect-analyze.c: Remove unused static decls.
3638 * lambda.h (dependence_level): New.
3639 * common.opt (ftree-loop-distribution): New.
3640 * tree-flow.h (mark_virtual_ops_in_bb,
3641 slpeel_tree_duplicate_loop_to_edge_cfg,
3642 rename_variables_in_loop): Declared.
3643 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
3644 (OBJS-common): Add tree-loop-distribution.o.
3645 (tree-loop-distribution.o): New rule.
3646 * tree-cfg.c (mark_virtual_ops_in_bb): New.
3647 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
3648 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
3650 2008-02-28 Joseph Myers <joseph@codesourcery.com>
3653 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
3654 other than structures and unions.
3656 2008-02-28 Richard Guenther <rguenther@suse.de>
3659 2008-02-26 Richard Guenther <rguenther@suse.de>
3661 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3662 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3663 (lookup_decl_from_uid): Declare.
3664 (remove_decl_from_map): Likewise.
3665 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3666 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3667 (decl_for_uid_map): New global hashtable mapping DECL_UID
3669 (init_ttree): Allocate it.
3670 (insert_decl_to_uid_decl_map): New helper function.
3671 (make_node_stat): Insert new decls into the map.
3672 (copy_node_stat): Likewise.
3673 (lookup_decl_from_uid): New function.
3674 (remove_decl_from_map): Likewise.
3675 (print_decl_for_uid_map_statistics): New helper.
3676 (dump_tree_statistics): Call it.
3678 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3679 (referenced_var_iterator): Adjust.
3680 (FOR_EACH_REFERENCED_VAR): Adjust.
3681 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3682 (num_referenced_vars): Adjust.
3683 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3684 (first_referenced_var): Remove.
3685 (end_referenced_vars_p): Likewise.
3686 (next_referenced_var): Likewise.
3687 (referenced_var_iterator_set): New helper function.
3688 * tree-dfa.c (referenced_var_lookup): Adjust.
3689 (referenced_var_check_and_insert): Likewise.
3690 (remove_referenced_var): Likewise.
3691 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3692 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3693 (verify_call_clobbering): Likewise.
3694 (verify_memory_partitions): Likewise.
3695 (init_tree_ssa): Allocate bitmap instead of hashtable for
3697 (delete_tree_ssa): Adjust.
3698 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3699 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3700 (compute_tag_properties): Likewise.
3701 (set_initial_properties): Likewise.
3702 (find_partition_for): Likewise.
3703 (update_reference_counts): Likewise.
3704 (dump_may_aliases_for): Likewise.
3705 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3706 (add_call_clobber_ops): Likewise.
3707 (add_call_read_ops): Likewise.
3708 (get_asm_expr_operands): Likewise.
3709 * tree-into-ssa.c (dump_decl_set): Likewise.
3710 (update_ssa): Likewise.
3711 * tree-sra.c (scan_function): Likewise.
3712 (decide_instantiations): Likewise.
3713 (scalarize_parms): Likewise.
3714 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3715 (dsa_named_for): Likewise.
3716 * tree-ssa-structalias.c (update_alias_info): Likewise.
3717 (merge_smts_into): Likewise.
3719 2008-02-27 David Daney <ddaney@avtrex.com>
3722 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
3723 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
3724 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
3725 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
3726 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
3728 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
3731 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
3732 (BUILT_IN_NEXTTOWARD): Remove.
3733 (BUILT_IN_NEXTTOWARDF): Ditto.
3734 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
3735 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
3737 2008-02-27 Tom Tromey <tromey@redhat.com>
3739 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
3740 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
3742 2008-02-27 Jan Beulich <jbeulich@novell.com>
3744 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
3745 update the respective field on newdecl.
3747 2008-02-27 Revital Eres <eres@il.ibm.com>
3749 PR rtl-optimization/34999
3750 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
3751 crossing edges that ends with a call insn.
3752 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
3753 call insn and clear the EDGE_CROSSING flag of the crossing edge
3754 when fixing fallthru edges.
3756 2008-02-27 Richard Guenther <rguenther@suse.de>
3759 * fold-const.c (fold_unary): Return the correct argument,
3760 converted to the result type.
3762 2008-02-27 Richard Guenther <rguenther@suse.de>
3765 * expr.c (expand_expr_real_1): Assert on rotates that operate
3767 * fold-const.c (fold_binary): Use the types precision, not the
3768 bitsize of the mode if folding rotate expressions. Build rotates
3769 only for full modes.
3771 2008-02-27 Jakub Jelinek <jakub@redhat.com>
3773 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
3775 * c-pragma.c (pragma_ns_name): New typedef.
3776 (registered_pp_pragmas): New variable.
3777 (c_pp_lookup_pragma): New function.
3778 (c_register_pragma_1): If flag_preprocess_only, do nothing
3779 for non-expanded pragmas, for expanded ones push pragma's
3780 namespace and name into registered_pp_pragmas vector.
3781 (c_invoke_pragma_handler): Register OpenMP pragmas even when
3782 flag_preprocess_only, don't register GCC pch_preprocess
3783 pragma if flag_preprocess_only.
3784 * c-opts.c (c_common_init): Call init_pragma even if
3785 flag_preprocess_only.
3786 * c-pragma.c (c_pp_lookup_pragma): New prototype.
3787 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
3788 cpp_register_pragma if flag_preprocess_only.
3790 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3793 * c-parser.c (c_parser_translation_unit): Warn for empty
3794 translation unit, not empty source file.
3796 2008-02-26 Paul Brook <paul@codesourcery.com>
3798 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
3799 operand for Thumb-2.
3800 * config/arm/arm.h (reg_class): Add CORE_REGS.
3801 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
3802 (BASE_REG_CLASS): Use CORE_REGS.
3803 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
3804 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
3805 (REGNO_OK_FOR_INDEX_P): Exclude SP.
3806 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
3807 ARM_REGNO_OK_FOR_INDEX_P.
3808 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
3809 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
3810 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
3811 (ldm/stm peepholes): Ditto.
3812 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
3813 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
3814 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
3815 * config/arm/constraints.md: Enable "k" constraint on ARM.
3817 2008-02-27 Ben Elliston <bje@au.ibm.com>
3819 * config/rs6000/rs6000.c: Annotate cache line size field in all
3820 instances of struct processor_costs.
3822 2008-02-26 David Edelsohn <edelsohn@gnu.org>
3824 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
3825 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
3826 jump_bypass): New counters.
3827 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
3828 * dce.c (gate_ud_dce): Same.
3829 (gate_fast_dce): Same.
3830 * dse.c (gate_dse1): New function.
3831 (gate_dse2): New function.
3832 (gate_dse): Merge results of new gate functions.
3833 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
3834 (gate_handle_jump_bypass): Add dbg_cnt.
3835 (gate_handle_gcse): Add dbg_cnt.
3836 * ifcvt.c (gate_handle_if_conversion): Same.
3837 (gate_handle_if_after_combine): Same.
3838 (gate_handle_if_after_reload): Same.
3839 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
3841 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
3843 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
3845 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
3847 2008-02-26 Jason Merrill <jason@redhat.com>
3850 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
3851 alone if it's the naming decl for the type's main variant.
3853 2008-02-26 Tom Tromey <tromey@redhat.com>
3855 * system.h (USE_MAPPED_LOCATION): Poison.
3856 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
3857 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
3858 (make_goto_expr_edges): Likewise.
3859 (remove_bb): Likewise.
3860 (execute_warn_function_return): Likewise.
3861 * basic-block.h (struct edge_def) <goto_locus>: Change type to
3863 * c-common.c (fname_decl): Remove old location code.
3864 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
3866 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
3868 (ASM_INPUT_SOURCE_LOCATION): Likewise.
3869 (gen_rtx_ASM_INPUT): Likewise.
3870 (gen_rtx_ASM_INPUT_loc): Likewise.
3871 (get_rtx_asm_OPERANDS): Remove.
3872 * cfglayout.c (insn_locators_alloc): Remove old location code.
3873 (set_curr_insn_source_location): Likewise.
3874 (curr_insn_locator): Likewise.
3875 * print-tree.c (print_node): Remove old location code.
3876 * tree-mudflap.c (mf_varname_tree): Remove old location code.
3877 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
3878 * cfgexpand.c (expand_gimple_cond_expr): Don't use
3879 location_from_locus.
3880 (construct_exit_block): Remove old location code.
3881 * emit-rtl.c (force_next_line_note): Remove old location code.
3882 * profile.c (branch_prob): Remove old location code.
3883 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
3884 LOC_LINE): Remove old-location variants.
3885 * langhooks.c (lhd_print_error_function): Remove old location
3887 * configure, config.in: Rebuilt.
3888 * configure.ac (--enable-mapped-location): Remove.
3889 * c-decl.c (c_init_decl_processing): Remove old location code.
3890 (finish_function): Likewise.
3891 * recog.c (decode_asm_operands): Remove old location code.
3892 * c-pch.c (c_common_read_pch): Remove old location code.
3893 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
3895 * gimple-low.c (lower_function_body): Remove old location code.
3896 * toplev.c (unknown_location): Remove.
3897 (push_srcloc): Remove old-location variant.
3898 (process_options): Remove old location code.
3899 (lang_dependent_init): Likewise.
3900 * input.h (UNKNOWN_LOCATION): Move definition.
3901 (location_t): Undeprecate.
3902 (source_locus): Remove.
3903 (location_from_locus): Remove.
3904 (struct location_s): Remove.
3905 Remove all old-location code.
3906 (input_line, input_filename): Remove.
3907 * final.c (final_scan_insn): Remove old location code.
3908 * diagnostic.c (diagnostic_build_prefix): Remove
3909 USE_MAPPED_LOCATION test.
3910 * tree.h (gimple_stmt) <locus>: Now a location_t.
3911 (tree_exp) <locus>: Likewise.
3912 (DECL_IS_BUILTIN): Remove old-location variant.
3913 (annotate_with_file_line, annotate_with_locus): Likewise.
3914 (expr_locus, set_expr_locus): Update.
3915 * tree.c (build1_stat): Remove old location code.
3916 (last_annotated_node): Remove.
3917 (annotate_with_file_line): Remove old-location variant.
3918 (annotate_with_locus): Likewise.
3919 (expr_location): Remove old location code.
3920 (set_expr_location): Likewise.
3921 (expr_has_location): Likewise.
3922 (expr_locus): Likewise.
3923 (set_expr_locus): Likewise.
3924 (expr_filename): Don't use location_from_locus.
3925 (expr_lineno): Likewise.
3926 * rtl-error.c (location_for_asm): Remove old location code.
3927 * c-lex.c (cb_line_change): Remove old location code.
3928 (fe_file_change): Likewise.
3929 (cb_def_pragma): Likewise.
3930 (c_lex_with_flags): Likewise.
3931 * gengtype.c (do_typedef): Don't special-case location types.
3932 (define_location_structures): Remove.
3933 (main): Don't call define_location_structures.
3934 * tree-pretty-print.c (dump_implicit_edges): Remove old location
3937 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3940 * builtins.def (BUILT_IN_STDARG_START): Remove.
3941 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
3942 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
3943 * tree-inline.c (inline_forbidden_p_1): Likewise.
3945 2008-02-26 Richard Guenther <rguenther@suse.de>
3947 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3948 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3949 (lookup_decl_from_uid): Declare.
3950 (remove_decl_from_map): Likewise.
3951 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3952 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3953 (decl_for_uid_map): New global hashtable mapping DECL_UID
3955 (init_ttree): Allocate it.
3956 (insert_decl_to_uid_decl_map): New helper function.
3957 (make_node_stat): Insert new decls into the map.
3958 (copy_node_stat): Likewise.
3959 (lookup_decl_from_uid): New function.
3960 (remove_decl_from_map): Likewise.
3961 (print_decl_for_uid_map_statistics): New helper.
3962 (dump_tree_statistics): Call it.
3964 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3965 (referenced_var_iterator): Adjust.
3966 (FOR_EACH_REFERENCED_VAR): Adjust.
3967 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3968 (num_referenced_vars): Adjust.
3969 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3970 (first_referenced_var): Remove.
3971 (end_referenced_vars_p): Likewise.
3972 (next_referenced_var): Likewise.
3973 (referenced_var_iterator_set): New helper function.
3974 * tree-dfa.c (referenced_var_lookup): Adjust.
3975 (referenced_var_check_and_insert): Likewise.
3976 (remove_referenced_var): Likewise.
3977 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3978 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3979 (verify_call_clobbering): Likewise.
3980 (verify_memory_partitions): Likewise.
3981 (init_tree_ssa): Allocate bitmap instead of hashtable for
3983 (delete_tree_ssa): Adjust.
3984 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3985 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3986 (compute_tag_properties): Likewise.
3987 (set_initial_properties): Likewise.
3988 (find_partition_for): Likewise.
3989 (update_reference_counts): Likewise.
3990 (dump_may_aliases_for): Likewise.
3991 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3992 (add_call_clobber_ops): Likewise.
3993 (add_call_read_ops): Likewise.
3994 (get_asm_expr_operands): Likewise.
3995 * tree-into-ssa.c (dump_decl_set): Likewise.
3996 (update_ssa): Likewise.
3997 * tree-sra.c (scan_function): Likewise.
3998 (decide_instantiations): Likewise.
3999 (scalarize_parms): Likewise.
4000 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4001 (dsa_named_for): Likewise.
4002 * tree-ssa-structalias.c (update_alias_info): Likewise.
4003 (merge_smts_into): Likewise.
4005 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4008 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
4009 * c-opts.c (c_common_handle_option): Wall enables
4010 Wvolatile-register-var.
4011 * common.opt: Move Wvolatile-register-var to...
4014 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4016 * common.opt (Wlarger-than=): New.
4017 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
4019 * opts.c (common_handle_option): Handle -Wlarger-than=.
4020 * optc-gen.awk: Likewise.
4021 * opth-gen.awk: Likewise.
4022 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
4023 * tree-optimize.c (tree_rest_of_compilation): Likewise.
4025 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4027 * c-common.c (match_case_to_enum_1): Add appropriate
4028 OPT_W* parameter to warning.
4029 (c_do_switch_warnings): Likewise.
4030 * c-typeck.c (warning_init): Add one more parameter following
4032 (push_init_level): Update call to warning_init.
4033 (pop_init_level): Likewise.
4034 (add_pending_init): Likewise.
4035 (output_init_element: Likewise.
4037 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4040 * toplev.c (toplev_main): If there are warnings or error, print
4041 errors for ignored options.
4042 * opts.c (ignored_options): New static variable.
4043 (postpone_unknown_option_error): New.
4044 (print_ignored_options): New.
4045 (handle_option): Postpone errors for unknown -Wno-* options.
4046 * opts.h (print_ignored_options): Declare.
4048 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
4050 * config/mips/mips.md (loadgp_blockage, blockage): Change type
4053 2008-02-25 Richard Guenther <rguenther@suse.de>
4056 2008-02-25 Richard Guenther <rguenther@suse.de>
4058 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4059 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4060 (lookup_decl_from_uid): Declare.
4061 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4062 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4063 (decl_for_uid_map): New global hashtable mapping DECL_UID
4065 (init_ttree): Allocate it.
4066 (insert_decl_to_uid_decl_map): New helper function.
4067 (make_node_stat): Insert new decls into the map.
4068 (copy_node_stat): Likewise.
4069 (lookup_decl_from_uid): New function.
4070 (print_decl_for_uid_map_statistics): New helper.
4071 (dump_tree_statistics): Call it.
4073 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4074 (referenced_var_iterator): Adjust.
4075 (FOR_EACH_REFERENCED_VAR): Adjust.
4076 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4077 (num_referenced_vars): Adjust.
4078 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4079 (first_referenced_var): Remove.
4080 (end_referenced_vars_p): Likewise.
4081 (next_referenced_var): Likewise.
4082 (referenced_var_iterator_set): New helper function.
4083 * tree-dfa.c (referenced_var_lookup): Adjust.
4084 (referenced_var_check_and_insert): Likewise.
4085 (remove_referenced_var): Likewise.
4086 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4087 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4088 (verify_call_clobbering): Likewise.
4089 (verify_memory_partitions): Likewise.
4090 (init_tree_ssa): Allocate bitmap instead of hashtable for
4092 (delete_tree_ssa): Adjust.
4093 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4094 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4095 (compute_tag_properties): Likewise.
4096 (set_initial_properties): Likewise.
4097 (find_partition_for): Likewise.
4098 (update_reference_counts): Likewise.
4099 (dump_may_aliases_for): Likewise.
4100 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4101 (add_call_clobber_ops): Likewise.
4102 (add_call_read_ops): Likewise.
4103 (get_asm_expr_operands): Likewise.
4104 * tree-into-ssa.c (dump_decl_set): Likewise.
4105 (update_ssa): Likewise.
4106 * tree-sra.c (scan_function): Likewise.
4107 (decide_instantiations): Likewise.
4108 (scalarize_parms): Likewise.
4109 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4110 (dsa_named_for): Likewise.
4111 * tree-ssa-structalias.c (update_alias_info): Likewise.
4112 (merge_smts_into): Likewise.
4114 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
4117 * doc/invoke.texi (-fcx-limited-range): Document new option.
4118 * toplev.c (process_options): Handle -fcx-fortran-rules.
4119 * common.opt: Add documentation for -fcx-fortran-rules.
4121 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
4124 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
4125 actual behaviour and C99.
4127 2008-02-26 Ben Elliston <bje@au.ibm.com>
4129 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
4130 (ASM_CPU_POWER6_SPEC): Likewise.
4131 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
4132 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
4133 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
4135 2008-02-25 Richard Guenther <rguenther@suse.de>
4137 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4138 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4139 (lookup_decl_from_uid): Declare.
4140 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4141 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4142 (decl_for_uid_map): New global hashtable mapping DECL_UID
4144 (init_ttree): Allocate it.
4145 (insert_decl_to_uid_decl_map): New helper function.
4146 (make_node_stat): Insert new decls into the map.
4147 (copy_node_stat): Likewise.
4148 (lookup_decl_from_uid): New function.
4149 (print_decl_for_uid_map_statistics): New helper.
4150 (dump_tree_statistics): Call it.
4152 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4153 (referenced_var_iterator): Adjust.
4154 (FOR_EACH_REFERENCED_VAR): Adjust.
4155 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4156 (num_referenced_vars): Adjust.
4157 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4158 (first_referenced_var): Remove.
4159 (end_referenced_vars_p): Likewise.
4160 (next_referenced_var): Likewise.
4161 (referenced_var_iterator_set): New helper function.
4162 * tree-dfa.c (referenced_var_lookup): Adjust.
4163 (referenced_var_check_and_insert): Likewise.
4164 (remove_referenced_var): Likewise.
4165 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4166 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4167 (verify_call_clobbering): Likewise.
4168 (verify_memory_partitions): Likewise.
4169 (init_tree_ssa): Allocate bitmap instead of hashtable for
4171 (delete_tree_ssa): Adjust.
4172 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4173 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4174 (compute_tag_properties): Likewise.
4175 (set_initial_properties): Likewise.
4176 (find_partition_for): Likewise.
4177 (update_reference_counts): Likewise.
4178 (dump_may_aliases_for): Likewise.
4179 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4180 (add_call_clobber_ops): Likewise.
4181 (add_call_read_ops): Likewise.
4182 (get_asm_expr_operands): Likewise.
4183 * tree-into-ssa.c (dump_decl_set): Likewise.
4184 (update_ssa): Likewise.
4185 * tree-sra.c (scan_function): Likewise.
4186 (decide_instantiations): Likewise.
4187 (scalarize_parms): Likewise.
4188 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4189 (dsa_named_for): Likewise.
4190 * tree-ssa-structalias.c (update_alias_info): Likewise.
4191 (merge_smts_into): Likewise.
4193 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
4196 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
4197 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
4198 * alias.h (nonoverlapping_memrefs_p): Likewise.
4200 2008-02-25 Jan Beulich <jbeulich@novell.com>
4202 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
4203 * config/i386/netware-libgcc.exp: Add __bswap?i2,
4204 __emultls_get_address, __emultls_register_common,
4205 __floatundi?f, and _Unwind_GetIPInfo.
4206 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
4207 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
4208 (gen_regparm_prefix): Likewise.
4209 (i386_nlm_encode_section_info): Sync with
4210 config/i386/winnt.c:i386_pe_encode_section_info().
4211 (i386_nlm_maybe_mangle_decl_assembler_name): New.
4212 i386_nlm_mangle_decl_assembler_name): New.
4213 (netware_override_options): New.
4214 * config/i386/netware.h (netware_override_options): Declare.
4215 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
4216 (i386_nlm_mangle_decl_assembler_name): Declare.
4217 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
4219 2008-02-25 Ben Elliston <bje@au.ibm.com>
4222 * c-decl.c (grokdeclarator): Remove unused local variables
4223 `typedef_type' and `type_as_written'.
4225 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
4226 unused local variable `has_hot_blocks'.
4227 (fix_crossing_conditional_branches): Remove unused local variable
4230 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
4233 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
4234 using DEF_C99_BUILTIN.
4235 (BUILT_IN_NANF): Ditto.
4236 (BUILT_IN_NANL): Ditto.
4238 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
4239 Revital Eres <eres@il.ibm.com>
4241 * modulo-sched.c (calculate_must_precede_follow): Address TODO
4242 regarding the order of two dependent insns in the same row.
4244 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
4246 * stor-layout.c (layout_decl): Do not bump the alignment of a
4247 bit-field to more than byte alignment if it is packed.
4249 2008-02-24 David Edelsohn <edelsohn@gnu.org>
4251 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
4254 2008-02-24 Diego Novillo <dnovillo@google.com>
4256 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
4259 * tree-vrp.c (vrp_evaluate_conditional): With
4260 -Wtype-limits, emit a warning when comparing against a
4261 constant outside the natural range of OP0's type.
4262 * c.opt (Wtype-limits): Move ...
4263 * common.opt (Wtype-limits): ... here.
4265 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
4267 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
4268 * config/rs6000/e300c2c3.md: New file.
4269 * config/rs6000/rs6000.c (processor_costs): Add new costs for
4271 (rs6000_override_options): Add e300c2 and e300c3 cases to
4272 processor_target_table. Do not allow usage of Altivec or Spe
4273 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
4274 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
4275 * config/rs6000/rs6000.h (processor_type): Add
4276 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
4277 (ASM_CPU_SPEC): Add e300c2 and e300c3.
4278 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
4279 and ppce300c3. Include e300c2c3.md.
4281 2008-02-23 David Edelsohn <edelsohn@gnu.org>
4283 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
4284 instead of TARGET_STRICT_ALIGN.
4286 2008-02-23 Joseph Myers <joseph@codesourcery.com>
4288 * explow.c (memory_address): Assert that the generated address is
4291 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4294 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
4295 * config/darwin-ppc-ldouble-patch.def: New file.
4296 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
4297 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
4298 SUBTARGET_INIT_BUILTINS if defined.
4299 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
4302 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
4305 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
4306 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
4308 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
4311 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
4312 file" warning condtional on -Winvalid-PCH.
4314 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
4316 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
4318 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
4322 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
4323 prevent reload from using MMX registers.
4324 (*mov<mode>_internal): Ditto.
4325 (*movv2sf_internal_rex64): Ditto.
4326 (*movv2sf_internal): Ditto.
4328 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4330 PR documentation/31569
4331 * doc/install.texi2html: Use makeinfo --no-number-sections.
4333 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4335 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
4336 ensure that we can address an entire entity > 8 bytes. Don't
4337 generate reg+reg addressing for such data.
4339 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4341 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
4342 strings when optimizing for size, unless the target cares about
4345 2008-02-22 Tom Tromey <tromey@redhat.com>
4347 * regclass.c (current_pass): Remove declaration.
4349 2008-02-22 Anatoly Sokolov <aesok@post.ru>
4351 * config/avr/libgcc.S (__RAMPZ__): Define.
4352 (__do_copy_data): Add for devices with 128KB code memory.
4354 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4356 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4358 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
4360 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
4362 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
4365 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4368 * c-typeck.c (build_binary_op): Warn about floating point
4369 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
4371 2008-02-21 Janis Johnson <janis187@us.ibm.com>
4374 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
4375 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
4377 (rs6000_override_options): Set altivec_abi as default, not override,
4378 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
4379 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
4380 is used; use new member spe_abi.
4381 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
4382 spe_abi and altivec_abi.
4384 2008-02-22 Tomas Bily <tbily@suse.cz>
4386 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
4388 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4391 * config.build (build_file_translate): Set to `CMD //c' only if
4393 * Makefile.in (build_file_translate): Improve comment.
4395 2008-02-21 Jan Hubicka <jh@suse.cz>
4397 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
4398 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
4399 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
4401 2008-02-21 Michael Matz <matz@suse.de>
4404 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
4406 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
4408 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
4409 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
4411 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
4412 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
4413 SSE_VEC_FLOAT_MODE_P as insn constraint.
4414 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
4415 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
4416 sse4a_movntdf using MODEF mode iterator.
4417 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
4418 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
4419 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
4420 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
4421 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
4422 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
4423 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
4425 2008-02-21 Richard Guenther <rguenther@suse.de>
4427 * tree.def (PAREN_EXPR): New tree code.
4428 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
4430 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
4431 * expr.c (expand_expr_real_1): Likewise.
4432 * tree-inline.c (estimate_num_insns_1): Likewise.
4433 * tree-complex.c (expand_complex_move): Likewise.
4434 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
4437 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
4440 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
4442 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
4445 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
4447 * config/sh/sh.c (find_barrier): Don't go past
4448 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
4450 2008-02-20 DJ Delorie <dj@redhat.com>
4452 * config/h8300/h8300.md (insv): Force source operand to be a register.
4454 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
4455 as a jump, not as a plain insn.
4457 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
4459 * doc/invoke.texi (Warning Options): Add new option
4460 -Wframe-larger-than=.
4461 (-Wframe-larger-than): Document.
4463 * flags.h (warn_frame_larger_than, frame_larger_than_size):
4464 Add declarations for new option variables.
4466 * final.c (final_start_function): Check the frame size
4467 before emission and issue a Wframe-larger-than warning.
4469 * opts.c (warn_frame_larger_than, frame_larger_than_size):
4470 Add definitions for new option variables.
4471 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
4473 * common.opt (Wframe-larger-than=): New option.
4475 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
4477 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
4478 (<sse>_div<mode>3): Ditto.
4479 (<sse>_vmdiv<mode>3): Ditto.
4480 (<sse>_vmsqrt<mode>2): Ditto.
4481 (*smax<mode>3): Ditto.
4482 (sse5_frcz<mode>2): Ditto.
4483 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
4486 2008-02-20 Richard Guenther <rguenther@suse.de>
4489 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
4490 be happy with INTEGRAL_TYPE_P.
4492 2008-02-20 Richard Guenther <rguenther@suse.de>
4494 * fold-const.c (split_tree): Associate floatig-point expressions
4495 if flag_associative_math is set.
4497 2008-02-20 Richard Guenther <rguenther@suse.de>
4499 * tree.h (fold_real_zero_addition_p): Declare.
4500 * fold-const.c (fold_real_zero_addition_p): Export.
4501 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
4502 floating-point operations with zero and one.
4504 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
4506 * doc/install.texi: Correct references to CFLAGS, replacing them
4507 with BOOT_CFLAGS. Document flags used during bootstrap for
4510 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
4512 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
4513 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
4514 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
4516 (smin<mode>3): Ditto from similar patterns.
4517 (smax<mode>3): Ditto.
4518 (*ieee_smin<mode>3): Ditto.
4519 (*ieee_smax<mode>3): Ditto.
4520 * config/i386/sse.md (sse): New mode attribute.
4521 (mov<mode>): Macroize expander from movv4sf and movv2df using
4522 SSEMODEF2P mode iterator.
4523 (<sse>_movnt<mode>): Ditto from similar patterns. Use
4524 SSE_VEC_FLOAT_MODE_P as insn constraint.
4525 (storent<mode>): Ditto.
4526 (storent<mode>): Macroize expander from storentsf and storentdf using
4527 MODEF mode iterator.
4528 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
4529 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
4530 (abs<mode>2): Ditto from similar patterns.
4531 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
4532 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
4533 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
4534 (<sse>_vmsqrt<mode>2): Ditto.
4535 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
4536 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
4537 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
4538 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
4539 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
4540 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
4541 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
4543 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
4544 iterator and SSE_FLOAT_MODE_P as insn constraint.
4545 (<sse>_ucomi): Ditto from similar patterns.
4546 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
4547 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
4548 SSE_VEC_FLOAT_MODE_P as insn constraint.
4549 (vcond<mode>): Ditto from similar patterns.
4550 (and<mode>3, *and<mode>3): Ditto.
4551 (<sse>_nand<mode>3): Ditto.
4552 (ior<mode>3, *ior<mode>3): Ditto.
4553 (xor<mode>3, *xor<mode>3): Ditto.
4554 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
4555 iterator and SSE_FLOAT_MODE_P as insn constraint.
4556 (*nand<mode>3): Ditto from similar patterns.
4557 (*ior<mode>3): Ditto.
4558 (*xor<mode>3): Ditto.
4560 2008-02-20 Ira Rosen <irar@il.ibm.com>
4562 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
4563 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
4564 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
4566 2008-02-19 Jan Hubicka <jh@suse.cz>
4568 * predict.c (tree_bb_level_predictions): Remove variable next
4569 mistakely introduced by previous commit.
4571 2008-02-19 Jan Hubicka <jh@suse.cz>
4573 * predict.c (predict_paths_leading_to): Rewrite.
4574 (predict_paths_for_bb): New.
4575 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
4577 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4580 * Makefile.in (build_file_translate): New.
4581 (gcc-vers.texi): Use it for translating $(abs_srcdir).
4582 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
4583 * configure.ac (build_file_translate): Substitute it.
4584 * configure: Regenerate.
4586 2008-02-19 Jan Hubicka <jh@suse.cz>
4588 PR rtl-optimization/34408
4589 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
4592 2008-02-19 Jan Hubicka <jh@suse.cz>
4595 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
4598 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
4601 * config/i386/i386-modes.def: Revert the last DI alignment
4602 change until Ada people can look into it.
4604 2008-02-19 Nick Clifton <nickc@redhat.com>
4606 * opts.c (print_specific_help): Fix typo in --help text.
4608 2008-02-19 Jakub Jelinek <jakub@redhat.com>
4611 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
4612 32-bit inline asm without asm alternatives for host GCC < 3.0.
4614 2008-02-19 Richard Guenther <rguenther@suse.de>
4616 PR tree-optimization/34989
4617 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
4618 Allow propagation to INDIRECT_REF if we can simplify only.
4620 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4622 * c-common.c (warn_for_collisions_1): Use appropriate option when
4625 2008-02-19 Nick Clifton <nickc@redhat.com>
4628 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
4629 (handle_options): Fix indentation.
4630 (print_filtered_help): If no language-specific options were
4631 displayed tell the user how to list all the options supported by
4632 the language's front-end.
4633 (print_specific_help): Fix indentation and remove duplicate line.
4634 (common_handle_option): Handle the -v option.
4635 For --help enable the display of undocumented options if the -v
4636 switch has been included on the command line.
4637 For --help= check for overlaps in the arguments between the option
4638 classes and the language names and issue a warning when they
4639 cannot be disambiguated.
4640 * c.opt (v): Pass on to the common option handler.
4642 2008-02-19 Revital Eres <eres@il.ibm.com>
4644 * modulo-sched.c (sms_schedule): Change dump message when
4645 create_ddg function fails.
4646 (try_scheduling_node_in_cycle): Rename row to cycle.
4647 (print_partial_schedule): Rename CYCLE to ROW.
4649 2008-02-19 Christian Bruel <christian.bruel@st.com>
4650 Zdenek Dvorak <ook@ucw.cz>
4652 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
4654 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
4657 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
4658 (*x86_movdicc_0_m1_se): Ditto.
4660 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
4662 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
4663 (CMPtype): Define as __gcc_CMPtype.
4664 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
4665 (CMPtype): Define as __gcc_CMPtype.
4667 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
4669 Support valgrind 3.3 for --enable-checking=valgrind.
4670 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
4672 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
4673 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
4674 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
4675 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
4676 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
4677 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
4678 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
4680 * ggc-zone.c: Similar.
4681 * ggc-page.c: Similar.
4683 2008-02-19 Paul Brook <paul@codesourcery.com>
4686 * config/arm/ieee754-df.S: Fix do_it typo.
4687 * config/arm/ieee754-sf.S: Fix do_it typo.
4689 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
4692 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
4693 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
4694 (OPTION_MASK_ISA_SSE_SET): Likewise.
4695 (OPTION_MASK_ISA_SSE2_SET): Likewise.
4696 (OPTION_MASK_ISA_SSE3_SET): Likewise.
4697 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
4698 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
4699 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
4700 (OPTION_MASK_ISA_SSE4_SET): Likewise.
4701 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
4702 (OPTION_MASK_ISA_SSE5_SET): Likewise.
4703 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
4704 (OPTION_MASK_ISA_MMX_UNSET): Updated.
4705 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
4706 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
4707 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
4708 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
4709 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
4710 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
4711 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
4712 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
4713 (OPTION_MASK_ISA_SSE4): Removed.
4714 (ix86_handle_option): Turn on bits in ix86_isa_flags and
4715 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
4716 (override_options): Don't turn on implied SSE/MMX bits in
4719 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
4721 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
4724 2008-02-18 Joey Ye <joey.ye@intel.com>
4727 * tree-nested.c (insert_field_into_struct): Set type alignment
4728 to field alignment if the former is less than the latter.
4730 2008-02-18 Jakub Jelinek <jakub@redhat.com>
4732 * BASE-VER: Set to 4.4.0.
4734 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4736 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
4737 * doc/cfg.texi: Likewise.
4738 * doc/extend.texi: Likewise.
4739 * doc/gty.texi: Likewise.
4740 * doc/invoke.texi: Likewise.
4741 * doc/loop.texi: Likewise.
4742 * doc/md.texi: Likewise.
4743 * doc/passes.texi: Likewise.
4744 * doc/rtl.texi: Likewise.
4745 * doc/sourcebuild.texi: Likewise.
4746 * doc/tm.texi: Likewise.
4747 * doc/tree-ssa.texi: Likewise.
4749 2008-02-17 Richard Guenther <rguenther@suse.de>
4752 * tree-complex.c (init_parameter_lattice_values): Handle parameters
4753 without default definition.
4755 2008-02-17 Richard Guenther <rguenther@suse.de>
4757 PR tree-optimization/35231
4758 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
4761 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
4764 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4765 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
4766 libgcc_cmp_return mode.
4768 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4771 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
4773 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
4775 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
4778 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4780 * doc/c-tree.texi: Use `@.' where appropriate.
4781 * doc/extend.texi: Likewise.
4782 * doc/install.texi: Likewise.
4783 * doc/invoke.texi: Likewise.
4784 * doc/loop.texi: Likewise.
4785 * doc/makefile.texi: Likewise.
4786 * doc/md.texi: Likewise.
4787 * doc/passes.texi: Likewise.
4788 * doc/standards.texi: Likewise.
4789 * doc/tm.texi: Likewise.
4791 2008-02-15 Jakub Jelinek <jakub@redhat.com>
4794 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
4796 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
4797 rather than in entry_bb.
4799 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4801 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
4802 libgcc_cmp_return mode.
4804 2008-02-15 Jakub Jelinek <jakub@redhat.com>
4807 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
4808 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
4810 2008-02-15 Richard Guenther <rguenther@suse.de>
4811 Zdenek Dvorak <ook@ucw.cz>
4813 PR tree-optimization/35164
4814 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
4815 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
4816 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
4817 Only propagate addresses which do not have abnormal SSA_NAMEs
4820 2008-02-15 Joseph Myers <joseph@codesourcery.com>
4823 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
4825 2008-02-15 Jan Hubicka <jh@suse.cz>
4828 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
4830 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4833 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
4834 when calculating alignment_pad.
4836 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4838 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
4839 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
4840 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
4841 and STACK_BOUNDARY define.
4843 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
4845 PR preprocessor/35061
4846 * c-pragma.c (handle_pragma_pop_macro): Check that
4847 pushed_macro_table has been allocated.
4849 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
4852 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
4853 (force_gimple_operand): Likewise.
4854 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
4855 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
4856 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
4857 (find_interesting_uses_address): Check addressability and alignment
4858 of the base expression only after substituting bases of IVs into it.
4860 2008-02-14 Michael Matz <matz@suse.de>
4863 * function.c (instantiate_virtual_regs_in_insn): Reload address
4864 before falling back to reloading the whole operand.
4866 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
4868 * config/s390/s390.c (s390_mainpool_start): Emit the pool
4869 before the first section switch note.
4871 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4873 * doc/bugreport.texi: Update copyright years.
4874 * doc/c-tree.texi: Likewise.
4875 * doc/cfg.texi: Likewise.
4876 * doc/cpp.texi: Likewise.
4877 * doc/cppinternals.texi: Likewise.
4878 * doc/fragments.texi: Likewise.
4879 * doc/frontends.texi: Likewise.
4880 * doc/gcc.texi: Likewise.
4881 * doc/gty.texi: Likewise.
4882 * doc/hostconfig.texi: Likewise.
4883 * doc/implement-c.texi: Likewise.
4884 * doc/libgcc.texi: Likewise.
4885 * doc/loop.texi: Likewise.
4886 * doc/makefile.texi: Likewise.
4887 * doc/options.texi: Likewise.
4888 * doc/passes.texi: Likewise.
4889 * doc/rtl.texi: Likewise.
4890 * doc/sourcebuild.texi: Likewise.
4891 * doc/standards.texi: Likewise.
4892 * doc/tree-ssa.texi: Likewise.
4893 * doc/trouble.texi: Likewise.
4895 * doc/extend.texi: Use @: or add comma where appropriate.
4896 * doc/invoke.texi: Likewise.
4897 * doc/tm.texi: Likewise.
4899 2008-02-14 Alan Modra <amodra@bigpond.net.au>
4902 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
4905 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
4907 * doc/md.texi (clz, ctz): Add reference.
4908 * doc/rtl.texi (clz, ctz): Likewise.
4910 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4913 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
4916 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
4918 * config/s390/s390.c (struct constant_pool): New field
4919 emit_pool_after added.
4920 (s390_mainpool_start): Set the emit_pool_after flag according
4921 to the section switch notes.
4922 (s390_mainpool_finish): Consider emit_pool_after when emitting
4923 the literal pool at the end of the function.
4924 (s390_chunkify_start): Force literal pool splits at section
4927 2008-02-13 Michael Matz <matz@suse.de>
4930 * var-tracking.c (clobber_variable_part): Correctly traverse the
4933 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4936 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
4937 Add -fdump-ipa-inline.
4938 * tree-dump.c (dump_files): Remove tree-inlined dump.
4939 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
4941 2008-02-12 Richard Guenther <rguenther@suse.de>
4943 PR tree-optimization/35171
4944 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
4947 2008-02-12 Richard Guenther <rguenther@suse.de>
4950 * fold-const.c (fold_widened_comparison): Use get_unwidened in
4951 value-preserving mode. Disallow final truncation.
4953 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
4956 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
4957 code from here to...
4958 (force_gimple_operand): ...here.
4960 2008-02-12 Jakub Jelinek <jakub@redhat.com>
4963 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
4964 non-compatible pointers.
4965 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
4966 different FIELD_DECLs, try harder by comparing field offsets, sizes
4970 * function.c (match_asm_constraints_1): Don't replace the same input
4973 2008-02-12 Anatoly Sokolov <aesok@post.ru>
4975 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
4976 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
4977 (expand_epilogue): Restore RAMPZ register.
4978 * config/avr/avr.md (RAMPZ_ADDR): New constant.
4980 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
4982 * config/i386/cygwin.asm: (__alloca): Correct calling
4983 convention and alignment.
4984 (__chkstk): Force 8 byte stack alignment.
4986 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
4987 Richard Guenther <rguenther@suse.de>
4989 PR tree-optimization/33992
4990 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
4991 the zero we compare against.
4993 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
4996 * gthr-win32.h (__gthread_mutex_destroy_function): New function
4997 to CloseHandle after unlocking to prevent accumulation of handle
5000 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5003 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
5004 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
5005 and update LABEL_NUSES during and after reload.
5007 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
5010 * combine.c (simplify_if_then_else): Make sure the comparison is
5011 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
5013 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
5016 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
5017 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
5018 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
5019 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
5020 * tree.h (get_type_static_bounds): Likewise.
5022 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5024 * doc/invoke.texi (Option Summary, C++ Dialect Options)
5025 (Objective-C and Objective-C++ Dialect Options, Warning Options):
5026 Make -Wfoo language annotations match what the compiler outputs.
5028 2008-02-08 Sa Liu <saliu@de.ibm.com>
5030 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
5031 intrinsics spu_convts, spu_convtu, spu_convtf.
5032 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
5034 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
5036 * doc/extend.texi (Function Attributes) <noinline>: Mention
5037 asm ("") as method to keep calls.
5039 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5042 * doc/options.texi (Options): Replace references to opts.sh with
5044 * opts-common.c: Likewise.
5045 * optc-gen.awk: Likewise.
5047 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
5049 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
5051 2008-02-07 Richard Henderson <rth@redhat.com>
5054 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
5055 EXPR_LIST for the REG_EQUAL instead of a comparison with a
5058 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
5060 PR tree-optimization/35085
5061 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
5062 for operand entry oe2 in addition to operand entry oe3 in order to
5063 expose more opportunities for vectorizer sum reduction.
5065 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5068 * Makefile.in (LIBS): Remove $(GMPLIBS).
5069 (cc1-dummy, cc1): Add $(GMPLIBS).
5071 2008-02-06 Jan Hubicka <jh@suse.cz>
5074 * i386.md (moddf_integer): Do not produce partial memory stalls for
5075 targets where it hurts.
5077 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
5080 * optabs.c (expand_float): Do not check for decimal modes when
5081 expanding unsigned integer through signed conversion.
5083 2008-02-06 Nick Clifton <nickc@redhat.com>
5085 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
5086 inside the clobber with a match_operand and duplicated operand
5087 number in the constraint.
5088 (ineqbranchsi): Delete redundant comment.
5090 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
5092 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
5093 builtin_define ("__USE_INIT_FINI__").
5094 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
5096 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
5098 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5100 PR documentation/30330
5101 * doc/invoke.texi (C++ Dialect Options)
5102 (Objective-C and Objective-C++ Dialect Options, Warning Options):
5103 For each warning option -Wfoo that allows -Wno-foo, ensure both
5104 -Wfoo and -Wno-foo are listed in the option index. Fix index
5105 entry of -Wswitch-default, index -Wnormalized= including the
5106 `=', and -Wlarger-than-@var{len} including @var{len}.
5108 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
5110 * config/i386/i386.md (floatunssisf2): Use
5111 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
5112 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
5113 Macroize expander using MODEF mode iterator.
5115 2008-02-05 Diego Novillo <dnovillo@google.com>
5117 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
5120 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
5122 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5125 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
5127 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
5130 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
5131 to indicate if a message should be generated.
5132 (init_cumulative_args): Updated.
5133 (function_value_32): Likewise.
5135 2008-02-05 Joseph Myers <joseph@codesourcery.com>
5137 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
5139 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
5142 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
5143 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
5145 2008-02-04 Diego Novillo <dnovillo@google.com>
5147 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
5150 * tree-vrp.c (vrp_evaluate_conditional): With
5151 -Wtype-limits, emit a warning when comparing against a
5152 constant outside the natural range of OP0's type.
5154 2008-02-04 Richard Guenther <rguenther@suse.de>
5157 * expr.c (count_type_elements): Give for unions instead of
5160 2008-02-04 Richard Guenther <rguenther@suse.de>
5163 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
5164 to TYPE_DOMAINs base type instead of using bitsizetype here.
5166 2008-02-03 Jason Merrill <jason@redhat.com>
5168 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
5170 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5173 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
5174 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
5175 (RS/6000 and PowerPC Options): Fix typos and markup.
5176 * doc/passes.texi (Tree-SSA passes): Likewise.
5178 2008-02-02 Michael Matz <matz@suse.de>
5181 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
5182 from record_last_reg_set_info.
5183 (record_last_reg_set_info): Take an RTX argument, iterate over all
5184 constituent hardregs.
5185 (record_last_set_info, record_opr_changes): Change calls to
5186 new signature or to record_last_reg_set_info_regno.
5188 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
5190 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
5192 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
5194 PR rtl-optimization/34773
5195 * reg-notes.def (EQUAL): Mention significance of combination of
5196 REG_EQUAL and REG_RETVAL.
5197 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
5198 insn that has a REG_RETVAL.
5200 2008-02-01 Roger Sayle <roger@eyesopen.com>
5203 * configure.ac (--enable-fixed-point): Disable unless explicitly
5205 * configure: Regenerate.
5207 2008-02-01 Richard Guenther <rguenther@suse.de>
5210 * invoke.texi (-finline-limit): Remove no longer true parts
5211 of the documentation. Note that there is no default value.
5213 2008-02-01 Andrew Pinski <pinskia@gmail.com>
5214 Mark Mitchell <mark@codesourcery.com>
5215 Ben Elliston <bje@au.ibm.com>
5218 * doc/extend.texi (Other Builtins): Document.
5220 2008-01-31 Tom Browder <tom.browder@gmail.com>
5222 * doc/c-tree.texi (Types): Fix grammar.
5223 (Expression trees): Ditto.
5224 * doc/passes.texi (Tree-SSA passes): Ditto.
5226 * doc/configterms.texi (Configure Terms): Fix typo.
5227 * doc/cpp.texi (Common Predefined Macros): Ditto.
5228 * doc/md.texi (Machine Constraints): Ditto.
5230 * doc/makefile.texi (Makefile): Add comma.
5232 2008-01-31 Tom Browder <tom.browder@gmail.com>
5233 Gerald Pfeifer <gerald@pfeifer.com>
5235 * doc/sourcebuild.texi (Front End): Remove references to CVS
5236 and CVSROOT/modules.
5237 (Texinfo Manuals): Replace reference to CVS by one to SVN.
5238 (Back End): Remove reference to CVS.
5240 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
5243 * config/mips/mips.c (gen_load_const_gp): New function, taking a
5245 (mips16_gp_pseudo_reg): ...here.
5246 * config/mips/mips.md (load_const_gp): Replace with...
5247 (load_const_gp_<mode>): ...this :P-based insn.
5249 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5251 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
5252 options. Minor fixes.
5253 (-std): Move reference to standards closer to where language
5254 standards are first mentioned.
5256 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
5258 PR rtl-optimization/34995
5259 * reload.c (alternative_allows_const_pool_ref): Take an rtx
5260 parameter and return a bool. If the rtx parameter is nonnull,
5261 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
5262 (find_reloads): Update call accordingly. Pass the new operand
5263 if it needed no address reloads, otherwise pass null.
5265 2008-01-30 Richard Henderson <rth@redhat.com>
5268 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
5269 for unbounded arrays.
5271 2008-01-30 Silvius Rus <rus@google.com>
5273 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
5275 2008-01-30 Jan Hubicka <jh@suse.cz>
5278 * i386.c (init_cumulative_args): Use real function declaration when
5281 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
5283 PR rtl-optimization/34998
5284 * global.c (build_insn_chain): Treat non-subreg_lowpart
5285 SUBREGs of pseudos as clobbering all the words covered by the
5286 SUBREG, not just all the bytes.
5287 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
5288 original df_ref rather than an extract parameter.
5289 (global_conflicts): Update call accordingly.
5291 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
5293 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
5294 the overflow check to make it easier to read.
5295 (__fixtfdi): Change the type of the ll member in union
5296 long_double to UDItype_x.
5298 2008-01-30 Jakub Jelinek <jakub@redhat.com>
5301 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
5302 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
5303 * tree-inline.c (fold_marked_statements): Call
5304 cgraph_update_edges_for_call_stmt if folding a call statement.
5305 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
5306 debug_generic_stmt calls, reset it back afterwards.
5309 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
5311 * c-typeck.c (build_external_ref): Don't pedwarn about
5312 static vars in current function's scope.
5314 2008-01-29 Joseph Myers <joseph@codesourcery.com>
5316 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
5318 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
5321 * ipa-struct-reorg.c: Fix spelling.
5322 * params.def: Ditto.
5324 2008-01-29 Richard Guenther <rguenther@suse.de>
5327 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
5329 * tree-inline.c (remap_type): Increment remapping_type_depth
5330 around remapping types.
5331 (copy_body_r): Only add referenced variables if they are referenced
5332 from code, not types.
5334 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
5345 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
5346 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
5348 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
5351 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
5352 pointer for tiny stack.
5354 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
5356 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
5358 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
5360 * config/vx-common.h: Fix typo in comment.
5362 2008-01-28 Ian Lance Taylor <iant@google.com>
5366 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
5367 coalesce pointers if they have different DECL_NO_TBAA_P values.
5368 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
5369 between variables with different DECL_NO_TBAA_P values.
5371 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
5374 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
5375 are not legitimate small data references on SPE targets.
5377 2008-01-28 David Daney <ddaney@avtrex.com>
5379 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
5381 2008-01-28 David Daney <ddaney@avtrex.com>
5383 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
5385 2008-01-27 Joseph Myers <joseph@codesourcery.com>
5387 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
5388 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
5389 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
5390 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
5391 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
5392 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
5393 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
5394 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
5396 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5398 * basic-block.h (condjump_equiv_p): Fix comment.
5400 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5402 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
5403 print_generic_stmt_indented): Fix comment.
5405 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5407 * configure.ac (__stack_chk_fail): Add detecion for availability
5408 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
5409 * configure: Regenerate.
5411 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
5414 * final.c (output_addr_const): Handle TRUNCATE.
5416 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
5419 * tree-ssa-loop-ivopts.c (comp_cost): New type.
5420 (zero_cost, infinite_cost): New constants.
5421 (struct cost_pair): Change type of cost to comp_cost.
5422 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
5423 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
5425 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
5426 split_address_cost, ptr_difference_cost, difference_cost,
5427 get_computation_cost_at, get_computation_cost,
5428 determine_use_iv_cost_generic, determine_use_iv_cost_address,
5429 determine_use_iv_cost_condition, determine_use_iv_costs,
5430 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
5431 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
5432 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
5433 Change type of cost to comp_cost.
5434 (determine_iv_cost): Increase cost of non-original ivs, instead
5435 of decreasing the cost of original ones.
5436 (get_address_cost): Indicate the complexity of the addressing mode
5438 (try_add_cand_for): Prefer using ivs not specific to some object.
5439 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
5441 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
5442 Janis Johnson <janis187@us.ibm.com>
5445 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
5446 (TARGET_INSTANTIATE_DECLS): Likewise.
5447 * target.h (expand_to_rtl_hook): New target hook.
5448 (instantiate_decls): Likewise.
5449 * function.c (instantiate_decl): Make non-static. Rename to...
5450 (instantiate_decl_rtl): ... this.
5451 (instantiate_expr): Use instantiate_decl_rtl.
5452 (instantiate_decls_1): Likewise.
5453 (instantiate_decls): Likewise.
5454 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
5455 * function.h (instantiate_decl_rtl): Add prototype.
5456 * cfgexpand.c (target.h): New include.
5457 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
5458 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
5459 (TARGET_INSTANTIATE_DECLS): Likewise.
5460 (TARGET_INITIALIZER): New target hooks added.
5461 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
5463 * config/rs6000/rs6000.c (tree-flow.h): New include.
5464 (machine_function): Add sdmode_stack_slot field.
5465 (rs6000_alloc_sdmode_stack_slot): New function.
5466 (rs6000_instantiate_decls): Likewise.
5467 (rs6000_secondary_memory_needed_rtx): Likewise.
5468 (rs6000_check_sdmode): Likewise.
5469 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
5470 (TARGET_INSTANTIATE_DECLS): Likewise.
5471 (rs6000_hard_regno_mode_ok): Allow SDmode.
5472 (num_insns_constant): Likewise. Handle _Decimal32 constants.
5473 (rs6000_emit_move): Handle SDmode.
5474 (function_arg_advance): Likewise.
5475 (function_arg): Likewise.
5476 (rs6000_gimplify_va_arg): Likewise. Add special handling of
5477 SDmode var args for 32-bit compiles.
5478 (rs6000_secondary_reload_class): Handle SDmode.
5479 (rs6000_output_function_epilogue): Likewise.
5480 (rs6000_function_value): Simplify if statement.
5481 (rs6000_libcall_value): Likewise.
5482 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
5483 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
5484 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
5485 (movsd_hardfloat): New define_insn.
5486 (movsd_softfloat): Likewise.
5487 (movsd_store): Likewise.
5488 (movsd_load): Likewise.
5489 (extendsddd2): Likewise.
5490 (extendsdtd2): Likewise.
5491 (truncddsd2): Likewise.
5492 (movdd_hardfloat64): Fixup comment.
5493 (UNSPEC_MOVSD_LOAD): New constant.
5494 (UNSPEC_MOVSD_STORE): Likewise.
5496 2008-01-26 Jakub Jelinek <jakub@redhat.com>
5499 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
5501 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
5502 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
5503 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
5506 2008-01-26 David Edelsohn <edelsohn@gnu.org>
5509 * config.gcc: Separate AIX 5.3 from AIX 6.1.
5510 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5511 __LONGDOUBLE128 too.
5512 * config/rs6000/aix61.h: New file.
5514 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
5516 PR rtl-optimization/34959
5517 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
5518 popcount and parity rtxes the same mode as their operand.
5519 Truncate or extend the result to the return value's mode
5522 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
5525 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
5526 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
5527 to GOT_VERSION_REGNUM.
5528 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
5529 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
5530 * config/mips/mips.c (mips_emit_call_insn): New function.
5531 (mips_call_tls_get_addr): Call mips_expand_call directly.
5532 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
5534 (mips16_build_call_stub): Likewise. Return the call insn or null.
5535 (mips_expand_call): Update the call to mips16_build_call_stub
5536 accordingly and a remove redundant condition. Assert that MIPS16
5537 stubs do not use lazy binding. Use mips_emit_call_insn and return
5539 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
5541 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
5542 (mips_avoid_hazard): Remove hazard_set handling.
5543 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
5544 (UNSPEC_RESTORE_GP): ...this.
5545 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
5546 (FAKE_CALL_REGNO): Rename to...
5547 (GOT_VERSION_REGNUM): ...this.
5548 (type): Add "ghost" value. Add an associated insn reservation.
5549 (hazard_set): Remove.
5550 (exception_receiver): Rename to...
5551 (restore_gp): ...this and update the unspec identifier accordingly.
5552 (exception_receiver, nonlocal_got_receiver): New expanders.
5553 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
5554 FAKE_CALL_REGNO. Remove hazard_set attribute.
5555 (set_got_version, update_got_version): New patterns.
5557 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
5560 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
5562 2008-01-25 Joseph Myers <joseph@codesourcery.com>
5565 * doc/install.texi2html: Generate gcc-vers.texi.
5567 2008-01-25 DJ Delorie <dj@redhat.com>
5569 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
5571 2008-01-25 Joseph Myers <joseph@codesourcery.com>
5573 * config/c4x: Remove directory.
5574 * config.gcc (crx-*, mt-*): Mark obsolete.
5575 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
5576 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
5577 sh-*-rtemscoff*): Remove cases.
5578 * defaults.h (C4X_FLOAT_FORMAT): Remove.
5579 * real.c (encode_c4x_single, decode_c4x_single,
5580 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
5581 c4x_extended_format): Remove.
5582 * real.h (c4x_single_format, c4x_extended_format): Remove.
5583 * doc/extend.texi (interrupt, naked): Remove mention of attributes
5585 (Pragmas): Remove comment about c4x pragmas.
5586 * doc/install.texi (c4x): Remove target-specific instructions.
5587 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
5588 * doc/md.texi (Machine Constraints): Remove C4x documentation.
5589 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
5590 refer to C4x source files as examples.
5591 (C4X_FLOAT_FORMAT): Remove documentation.
5593 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
5595 * config/bfin/bfin.c (override_options): Reorder tests so that
5596 flag_pic gets enabled for -msep-data.
5598 2008-01-25 Richard Guenther <rguenther@suse.de>
5601 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
5602 to its bitfield precision if required.
5604 2008-01-25 Jakub Jelinek <jakub@redhat.com>
5607 * tree-nested.c (walk_omp_for): New function.
5608 (convert_nonlocal_reference, convert_local_reference): Call
5609 walk_omp_for on OMP_FOR.
5610 (convert_call_expr): Call walk_body on OMP_FOR's
5611 OMP_FOR_PRE_INIT_BODY.
5613 2008-01-25 Richard Guenther <rguenther@suse.de>
5615 PR tree-optimization/34966
5616 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
5617 default defs and PHI_NODEs we have to insert after the
5620 2008-01-24 Nick Clifton <nickc@redhat.com>
5622 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
5623 Provide a default definition.
5624 (LIBGCC2_UNITS_PER_WORD): Likewise.
5626 * config/stormy16/stormy16.c: Include df.h for the prototype
5627 for df_regs_ever_live_p.
5628 (xstormy16_expand_builtin_va_start): Convert the stack offset
5629 into a component_ref and then use POINTER_PLUS_EXPR to add it
5630 to the incoming_virtual_args_rtx.
5631 (xstormy16_gimplify_va_arg_expr): Rename to
5632 xstormy16_gimplify_va_arg_expr.
5633 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
5634 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
5635 xstormy16_gimplify_va_arg_expr.
5636 Fix up some formatting issues.
5638 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
5639 Move to predicates.md.
5640 (xs_hi_general_operand): Likewise.
5641 (xs_hi_nonmemory_operand): Likewise.
5642 * config/stormy16/predicates.md:
5643 (xstormy16_carry_plus_operand): New predicate.
5644 (xs_hi_general_operand): New predicate.
5645 (xs_hi_nonmemory_operand): New predicate.
5646 * config/stormy16/stormy16-protos.h:
5647 (xstormy16_carry_plus_operand): Delete prototype.
5648 (xs_hi_general_operand): Likewise.
5649 (xs_hi_nonmemory_operand): Likewise.
5651 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
5652 modifiers as they are no longer needed and they can trigger
5653 reload spill failures.
5655 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
5656 with a match_operand in order to help reload.
5658 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
5659 constraint with 'e' for the 8th alternative as this version of
5660 the mov.w instruction only accepts the lower 8 registers.
5662 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
5665 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
5666 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
5669 2008-01-25 Jakub Jelinek <jakub@redhat.com>
5672 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
5674 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
5676 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
5678 (remove_structure): Update allocations list before removing structure.
5680 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
5682 * ipa-struct-reorg.c (is_safe_cond_expr,
5683 create_new_stmts_for_cond_expr): Use integer_zerop function,
5684 that recognize not only zero-pointer, but zero-integer too.
5686 2008-01-25 Ben Elliston <bje@au.ibm.com>
5689 * fixproto: Escape "." in sed expression that strips leading "./".
5691 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
5694 * gcc.c (SWITCH_OK): Removed.
5695 (SWITCH_LIVE): Changed to bit.
5696 (SWITCH_FALSE): Likewise.
5697 (SWITCH_IGNORE): Likewise.
5698 (switchstr): Change live_cond to unsigned int.
5699 (process_command): Replace SWITCH_OK with 0.
5700 (do_self_spec): Likewise.
5701 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
5702 (give_switch): Likewise.
5703 (used_arg): Likewise.
5704 (do_spec_1): Set the SWITCH_IGNORE bit.
5705 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
5706 bits. Set the SWITCH_LIVE bit.
5708 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
5710 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
5712 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
5714 PR tree-optimization/34472
5715 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
5716 parameter to a "bool *" and set *DATA to false if there is
5717 an unsafe access. Do not delete the structure here.
5718 (check_cond_exprs): Delete it here instead.
5719 (check_cond_exprs, exclude_cold_structs): Do not increase
5720 I when removing a structure.
5722 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
5725 * config/i386/i386.c (ix86_expand_vector_init): Consider only
5726 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
5728 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
5731 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
5732 a fixed vector for stack.
5734 2008-01-24 Ben Elliston <bje@au.ibm.com>
5737 * doc/gcc.texi (Software development): Add a direntry for g++.
5739 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
5741 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
5742 stale and straggling -fforce-addr comments above.
5744 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
5746 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
5747 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
5749 2008-01-23 Michael Matz <matz@suse.de>
5752 * dwarf2out.c (force_type_die): Use modified_type_die instead of
5755 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
5757 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
5760 2008-01-23 Anatoly Sokolov <aesok@post.ru>
5762 * config/avr/avr.c (avr_current_arch): New variable.
5763 (avr_arch_types): Add 'avr31' and 'avr51' entries.
5764 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
5765 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
5766 (avr_override_options): Init 'avr_current_arch'.
5767 (base_arch_s): Move from here...
5768 * config/avr/avr.h (base_arch_s): ... here. Add new members
5769 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
5770 'mega' to 'have_jmp_call'.
5771 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
5772 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
5774 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
5776 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
5777 MULTILIB_MATCHES): (Ditto.).
5779 2008-01-23 Richard Guenther <rguenther@suse.de>
5782 * cgraphunit.c (cgraph_reset_node): Always mark the node
5783 not reachable if it is not queued already.
5785 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
5787 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
5788 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
5789 (cputype_selected): New static variable.
5790 (bfin_handle_option): Set it if -mcpu is used.
5791 (override_option): Select default set of workarounds if no cpu type
5792 selected on the command line.
5793 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
5795 From Michael Frysinger <michael.frysinger@analog.com>
5796 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
5797 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
5799 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
5800 for bf547, bf523, bf524, and bf526.
5801 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
5803 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5804 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
5805 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
5806 __ADSPBF547__ and __ADSPBF54x__ for bf547.
5807 * doc/invoke.texi (Blackfin Options): Document that
5808 -mcpu now accept bf547, bf523, bf524, and bf526.
5810 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
5812 PR rtl-optimization/34628
5813 * combine.c (try_combine): Stop and undo after the first combination
5814 if an autoincrement side-effect on the first insn has effectively
5817 2008-01-22 David Edelsohn <edelsohn@gnu.org>
5820 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
5821 Offset addresses are not valid for Altivec or paired float modes.
5823 2008-01-22 Jakub Jelinek <jakub@redhat.com>
5826 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
5827 if DECL_INITIAL (decl) is error_mark_node.
5830 * c-common.c (handle_vector_size_attribute): Only allow
5831 integral, scalar float and fixed point types. Handle OFFSET_TYPE
5832 the same way as pointer, array etc. types.
5833 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
5836 * tree.c (build_type_attribute_qual_variant): Call
5837 build_qualified_type if attributes are equal, but quals are not.
5839 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5842 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
5843 * flags.h (warn_strict_aliasing): Remove.
5844 (warn_strict_overflow): Remove.
5845 * opts.c (warn_strict_aliasing): Remove.
5846 (warn_strict_overflow): Remove.
5847 * c-opts.c (c_common_handle_option): -Wall only sets
5848 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
5849 (c_common_post_options): Give default values to -Wstrict-aliasing
5850 and -Wstrict-overflow if they are uninitialized.
5851 * common.opt (Wstrict-aliasing): Specify Var and Init.
5852 (Wstrict-overflow): Likewise.
5854 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5856 PR rtl-optimization/26854
5857 PR rtl-optimization/34400
5858 PR rtl-optimization/34884
5859 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
5861 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
5862 (df_rd_bb_info.expanded_lr_out): Deleted
5863 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
5864 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
5865 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5866 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5867 Removed code to allocate, initialize or free expanded_lr_out.
5868 (df_rd_bb_local_compute_process_def): Restructured to make more
5870 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
5871 sets if the sets are being trimmed.
5873 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
5876 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
5877 (as_vers): Likewise.
5878 * configure: Regenerated.
5880 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5883 * tree-pass.h (pass_build_alias): New pass.
5884 * tree-ssa-alias.c (gate_build_alias): New.
5885 (pass_build_alias): New.
5886 * passes.c (init_optimization_passes): Add pass_build_alias after
5887 pass_create_structure_vars.
5889 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
5891 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
5892 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
5893 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
5894 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
5895 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
5896 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
5897 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
5898 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
5899 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
5900 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
5901 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
5902 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
5903 * config/s390/s390.md (FP_ALL): New mode iterator.
5904 (_d): New mode attribute.
5905 ("*signbit<mode>2>"): Changed mode of first operand.
5906 ("isinf<mode>2"): Changed mode of first operand.
5907 ("*TDC_insn"): Adaptation for DFP modes.
5909 2008-01-22 Ben Elliston <bje@au.ibm.com>
5911 * tree.c (check_qualified_type): Improve function description.
5913 2008-01-21 Jason Merrill <jason@redhat.com>
5916 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
5917 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
5920 2008-01-21 DJ Delorie <dj@redhat.com>
5922 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
5925 2008-01-21 Richard Guenther <rguenther@suse.de>
5928 * tree-cfg.c (verify_expr): Allow all invariant expressions
5929 instead of just constant class ones as reference argument.
5930 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
5931 like any other constant.
5932 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
5934 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
5936 * regmove.c (fixup_match_1): Update call crossed frequencies.
5938 2008-01-21 Richard Guenther <rguenther@suse.de>
5941 * tree-inline.c (setup_one_parameter): Deal with mismatched
5942 types using a VIEW_CONVERT_EXPR.
5944 2008-01-21 Alon Dayan <alond@il.ibm.com>
5945 Olga Golovanevsky <olga@il.ibm.com>
5947 PR tree-optimization/34701
5948 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
5949 when the structure size is not a power of 2.
5951 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
5953 * doc/install.texi: Add doc for --enable-checking=df.
5955 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
5957 PR rtl-optimization/34808
5958 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
5960 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
5962 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
5965 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5967 PR rtl-optimization/26854
5968 PR rtl-optimization/34400
5969 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
5971 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
5972 (df_rd_bb_info.expanded_lr_out): New.
5973 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
5974 * loop_iv.c (iv_analysis_loop_init): Ditto.
5975 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5976 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5977 Added code to allocate, initialize or free expanded_lr_out.
5978 (df_rd_bb_local_compute_process_def): Restructured to make
5979 more understandable.
5980 (df_rd_confluence_n): Add code to do nothing with fake edges and
5981 code to no apply invalidate_by_call sets if the sets are being trimmed.
5982 (df_lr_local_finalize): Renamed to df_lr_finalize.
5983 (df_live_local_finalize): Renamed to df_live_finalize.
5985 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
5988 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
5989 deciding whether to use reciprocal instructions.
5991 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
5993 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
5994 dwarf2out_note_section_used if cold_text_section is NULL.
5996 2008-01-19 Jakub Jelinek <jakub@redhat.com>
5998 PR gcov-profile/34610
5999 * tree-cfg.c (make_edges): Mark both outgoing edges from
6000 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
6001 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
6002 from OMP_FOR and OMP_CONTINUE outgoing edges.
6004 * tree-profile.c (tree_profiling): Return early if
6005 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
6007 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
6008 from cfun to child_cfun.
6009 * function.h (struct function): Add after_tree_profile bit.
6011 2008-01-19 Anatoly Sokolov <aesok@post.ru>
6013 * config/avr/avr.S (_exit): Disable interrupt.
6015 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
6016 Steven Bosscher <stevenb.gcc@gmail.com>
6018 PR rtl-optimization/26854
6019 PR rtl-optimization/34400
6020 * df-problems.c (df_live_scratch): New scratch bitmap.
6021 (df_live_alloc): Allocate df_live_scratch when doing df_live.
6022 (df_live_reset): Clear the proper bitmaps.
6023 (df_live_bb_local_compute): Only process the artificial defs once
6024 since the order is not important.
6025 (df_live_init): Init the df_live sets only with the variables
6026 found live by df_lr.
6027 (df_live_transfer_function): Use the df_lr sets to prune the
6028 df_live sets as they are being computed.
6029 (df_live_free): Free df_live_scratch.
6031 2008-01-18 Ian Lance Taylor <iant@google.com>
6033 * common.opt: Add fmerge-debug-strings.
6034 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
6035 flag_merge_debug_strings rather than flag_merge_constants.
6036 * doc/invoke.texi (Option Summary): Mention
6037 -fmerge-debug-strings.
6038 (Debugging Options): Document -fmerge-debug-strings.
6040 2008-01-18 Ian Lance Taylor <iant@google.com>
6043 * tree.h (DECL_IS_OPERATOR_NEW): Define.
6044 (struct tree_function_decl): Add new field operator_new_flag.
6045 * tree-inline.c (expand_call_inline): When inlining a call to
6046 operator new, force the return value to go into a variable, and
6047 set DECL_NO_TBAA_P on that variable.
6048 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
6050 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
6053 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
6054 DWARF2_DEBUGGING_INFO.
6055 (dwarf2out_note_section_used): Ditto. Add prototype.
6056 (have_multiple_function_sections, text_section_used,
6057 cold_text_section_used, *cold_text_sections): Move declarations
6060 2008-01-17 Bob Wilson <bob.wilson@acm.org>
6062 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
6063 field and add signal_ra.
6064 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
6065 assignments to frame state pc. Move end of stack check after
6066 MD_FALLBACK_FRAME_STATE_FOR.
6067 (uw_update_context_1): Use frame state signal_regs if set, instead
6068 of checking signal_frame flag.
6069 (uw_update_context): Use frame state signal_ra if set.
6070 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
6071 * config/xtensa/linux-unwind.h: New file.
6073 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
6075 * modulo-sched.c (get_sched_window): Fix comment typo.
6077 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
6079 PR tree-optimization/34648
6080 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
6082 2008-01-17 Anatoly Sokolov <aesok@post.ru>
6084 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
6085 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
6087 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
6089 PR rtl-optimization/34400
6090 * df-core.c (df_worklist_dataflow_overeager,
6091 df_worklist_dataflow_doublequeue): New functions.
6092 (df_worklist_dataflow): Two different worklist solvers.
6093 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
6096 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6099 * doc/invoke.texi: Document the dependence on pthread for fopenmp
6100 and ftree-parallelize-loops.
6102 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
6104 PR rtl-optimization/34826
6105 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
6107 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
6109 * global.c (find_reg): Mark the eh regs as used if necessary.
6110 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
6111 * ra.h (struct allocno): no_eh_reg field added. Changed
6112 no_stack_reg type to bitfield.
6114 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
6116 * tree.c (substitute_in_expr): Add missing 'break'.
6118 2008-01-17 Richard Guenther <rguenther@suse.de>
6120 PR tree-optimization/34825
6121 * tree-ssa-math-opts.c (is_division_by): Do not recognize
6122 x / x as division to handle.
6124 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6126 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
6127 "-pthread" is specified.
6128 * pa-hpux11.h (LIB_SPEC): Likewise.
6130 2008-01-16 Janis Johnson <janis187@us.ibm.com>
6131 Peter Bergner <bergner@vnet.ibm.com>
6133 PR rtl-optimization/33796
6134 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
6136 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6138 PR libgfortran/34699
6139 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
6141 * pa-hpux10.h (LINK_SPEC): Likewise.
6142 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
6144 2008-01-16 Richard Guenther <rguenther@suse.de>
6147 * fold-const.c (fold_convert_const_int_from_int): Do not
6148 set overflow if that occured only because of a sign extension
6149 change when converting from/to a sizetype with the same
6150 precision and signedness.
6152 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
6155 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
6156 location address to the correct place. Update copyright year.
6158 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6160 * lambda-code.c (lambda_transform_legal_p): Handle the case of
6161 no dependences in the dependence_relations vector.
6163 2008-01-16 Jan Hubicka <jh@suse.cz>
6165 PR rtl-optimization/31396
6166 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
6167 * cfg.c (dump_reg_info): Print it.
6168 * regs.h (struct reg_info_t): add freq_calls_crossed.
6169 (REG_FREQ_CALLS_CROSSED): New macro.
6170 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
6171 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
6172 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
6173 regmove_optimize): Update call crossed frequencies.
6174 * local-alloc.c (struct qty): Add freq_calls_crossed.
6175 (alloc_qty): Copute freq_calls_crossed.
6176 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
6177 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
6178 * ra.h (struct allocno): Add freq_calls_crossed.
6180 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6182 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
6183 libgomp when compiling with ftree-parallelize-loops.
6184 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
6186 2008-01-16 Richard Guenther <rguenther@suse.de>
6188 PR tree-optimization/34769
6189 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
6190 * tree.c (int_cst_value): Instead make this function more
6191 permissive in what it accepts as valid input. Document this
6192 function always sign-extends the value.
6194 2008-01-16 Jakub Jelinek <jakub@redhat.com>
6195 Richard Guenther <rguenther@suse.de>
6198 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
6199 (gimple_fold_indirect_ref_rhs): ... this.
6200 (gimple_fold_indirect_ref): New function with foldings
6201 that preserve lvalueness.
6202 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
6203 * tree-flow.h (gimple_fold_indirect_ref): Declare.
6204 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
6205 to fold an INDIRECT_REF, fall back to the old use of
6206 fold_indirect_ref_1.
6208 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6210 * tree-data-ref.c (subscript_dependence_tester_1): Call
6211 free_conflict_function.
6212 (compute_self_dependence): Same.
6214 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
6217 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
6218 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
6220 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
6221 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
6222 for DWARF2_UNWIND_INFO targets.
6224 2008-01-16 Richard Guenther <rguenther@suse.de>
6227 * c-typeck.c (common_pointer_type): Do not merge inconsistent
6228 type qualifiers for function types.
6230 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
6232 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
6233 loop_iterator li from previous commit.
6235 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
6237 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
6239 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
6241 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
6242 (parallelize_loops): Don't parallelize irreducible components.
6244 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6247 * c-opts (c_common_post_options): Do not enable CPP
6248 flag_pedantic_errors by default.
6250 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
6252 PR rtl-optimization/31944
6253 * cse.c (remove_pseudo_from_table): New function.
6254 (merge_equiv_classes): Use above function to remove pseudo-registers.
6255 (invalidate): Likewise.
6257 2008-01-13 Richard Guenther <rguenther@suse.de>
6260 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
6261 instead of TYPE_MODE to deal with calls from expand_one_error_var.
6263 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
6265 * gcse.c (cprop_jump): Call validate_unshare_change instead of
6266 validate_change to unshare the source of the PC set.
6268 2008-01-12 Jan Hubicka <jh@suse.cz>
6271 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
6272 references above array bounds. This might trigger bounds checks for
6275 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
6277 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
6278 new_replaceable_dependencies.
6280 2008-01-12 Doug Kwan <dougkwan@google.com>
6282 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
6283 instead of OPT_Wreturn_type in warning due to ignored return type
6285 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
6286 options included in -Wextra.
6287 * c.opt: New option -Wignored_qualifiers.
6288 * doc/invoke.texi (Warning Options, -Wextra): Add new option
6289 -Wignore_qualifiers.
6290 (-Wignored-qualifiers): Document.
6291 (-Wreturn-type): Remove description of functionality now handled
6292 by -Wignored-qualifiers.
6294 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
6297 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
6298 NOP_EXPR if it is between integral types with the same precision.
6300 2008-01-12 Jan Hubicka <jh@suse.cz>
6303 * invoke.texi (max-inline-recursive-depth): Fix default value.
6305 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
6307 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
6310 2008-01-11 Bob Wilson <bob.wilson@acm.org>
6312 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
6314 2008-01-11 James E. Wilson <wilson@specifix.com>
6317 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
6319 2008-01-11 Anatoly Sokolov <aesok@post.ru>
6321 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
6322 save/restore frame pointer register and don't use 'call-prologues'
6323 optimization in function with "OS_task" attribute.
6325 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
6328 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
6329 when copying to memory.
6331 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
6333 PR rtl-optimization/30905
6334 * cfgcleanup.c: Include dce.h
6335 (crossjumps_occured): New global variable.
6336 (try_crossjump_bb): Exit loop after finding a fallthru edge.
6337 If something changed, set crossjumps_occured to true.
6338 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
6339 Don't add/remove fake edges to exit here...
6340 (cleanup_cfg): ...but do it here, when crossjumping.
6341 Run a fast DCE when successful crossjumps occured in the latest
6342 iteration of try_optimize_cfg.
6344 2008-01-11 Richard Guenther <rguenther@suse.de>
6346 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
6347 (struct vn_unary_op_s): Likewise.
6348 (vn_reference_insert): Free old reference on hash collision.
6350 2008-01-10 Raksit Ashok <raksit@google.com>
6352 PR rtl-optimization/27971
6353 * combine.c (find_split_point): Split PLUS expressions which are
6354 inside a MEM rtx, and whose first operand is complex.
6356 2008-01-10 DJ Delorie <dj@redhat.com>
6358 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
6359 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
6360 (m32c_hard_regno_ok): Call the underlying function.
6362 2008-01-10 Richard Guenther <rguenther@suse.de>
6365 * tree-cfg.c (tree_merge_blocks): Do not go through the
6366 full-blown folding and stmt updating path if we just deal
6367 with virtual operands.
6368 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
6369 test for abnormal SSA_NAMEs.
6371 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
6374 * reload.c (push_reload): Add assertions. All constants from
6375 reg_equiv_constant should have been used for replacing the respective
6377 (find_reloads_address): Invoke find_reloads_address_part for
6378 constant taken from the reg_equiv_constant array.
6380 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
6382 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
6383 field (valnum) the first in the struct. Replace bools with
6386 2008-01-10 Richard Guenther <rguenther@suse.de>
6388 PR tree-optimization/34651
6389 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
6390 types and ordering for masking and converting.
6392 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
6394 PR tree-optimization/34017
6395 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
6396 also for PHI_NODE expressions.
6398 2008-01-09 Jan Hubicka <jh@suse.cz>
6400 PR tree-optimization/34708
6401 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
6402 based on number of case labels.
6403 (init_inline_once): Remove switch_cost.
6404 * tree-inline.h (eni_weights_d): Remove switch_cost.
6406 2008-01-09 Richard Guenther <rguenther@suse.de>
6407 Andrew Pinski <andrew_pinski@playstation.sony.com>
6410 * gimplify.c (gimplify_cond_expr): Do not create an addressable
6411 temporary if an rvalue is ok or an lvalue is not required.
6413 2008-01-09 Richard Guenther <rguenther@suse.de>
6416 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
6419 2008-01-09 Richard Guenther <rguenther@suse.de>
6422 * tree.c (host_integerp): Check for sizetype only if the
6423 type is an integer type.
6425 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
6428 * opts.c (decode_options): Disable inlining of functions called
6429 once if not in unit-at-a-time mode.
6431 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
6433 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
6435 2008-01-08 Richard Guenther <rguenther@suse.de>
6438 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
6439 out early if the result will be unused.
6441 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
6446 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6447 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
6450 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
6452 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
6453 for vectorization tuned.
6455 2008-01-08 Richard Guenther <rguenther@suse.de>
6457 PR tree-optimization/34683
6458 * tree-ssa-operands.c (operand_build_cmp): Export.
6459 * tree-ssa-operands.h (operand_build_cmp): Declare.
6460 * tree-vn.c (vuses_compare): Remove.
6461 (sort_vuses): Use operand_build_cmp.
6462 (sort_vuses_heap): Likewise.
6463 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
6464 to re-use old VEC if available. Do not sort already sorted VUSEs.
6465 (vdefs_to_vec): Do not sort already sorted VDEFs.
6467 2008-01-08 Jakub Jelinek <jakub@redhat.com>
6470 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
6472 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
6475 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
6476 limitations of reciprocal sequences on x86 targets.
6478 2008-01-08 Richard Guenther <rguenther@suse.de>
6480 PR tree-optimization/34683
6481 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
6483 2008-01-07 Jakub Jelinek <jakub@redhat.com>
6486 * config/darwin.c (darwin_mergeable_string_section): Don't use
6487 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
6489 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
6492 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
6493 negxf2. Macroize expander using X87MODEF mode iterator. Change
6494 predicates of op0 and op1 to register_operand.
6495 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
6496 expander using X87MODEF mode iterator. Change predicates of
6497 op0 and op1 to register_operand.
6498 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
6499 corresponding patterns and macroize using MODEF macro. Change
6500 predicates of op0 and op1 to register_operand and remove
6501 "m" constraint. Disparage "r" alternative with "!".
6502 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
6503 macroize using X87MODEF macro. Change predicates of op0 and op1
6504 to register_operand and remove "m" constraint. Disparage "r"
6505 alternative with "!".
6506 (absneg splitter with memory operands): Remove.
6507 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
6508 patterns and macroize using X87MODEF mode iterator.
6509 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
6510 Change predicate of op1 to register_operand.
6511 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
6512 for memory operands.
6514 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
6516 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
6518 2008-01-07 Richard Guenther <rguenther@suse.de>
6520 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
6523 2008-01-07 Richard Guenther <rguenther@suse.de>
6525 PR tree-optimization/34683
6526 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
6527 VOPs of the needed size to save memory. Use VEC_quick_push
6528 to save compile-time.
6529 (vdefs_to_vec): Likewise.
6531 2008-01-07 Sa Liu <saliu@de.ibm.com>
6533 * config/spu/spu.md (divdf3): Genetate inline code for double
6534 division. The implementation doesn't handle INF or NAN, therefore it
6535 only applies when -ffinite-math-only is given.
6537 2008-01-06 Paolo Carlini <pcarlini@suse.de>
6540 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
6541 * doc/cpp.texi ([Common Predefined Macros]): Document.
6543 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
6545 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
6546 order to use commutative addition instead of subtraction.
6548 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
6549 Mircea Namolaru <namolaru@il.ibm.com>
6550 Vladimir Yanovsky <yanov@il.ibm.com>
6551 Revital Eres <eres@il.ibm.com>
6553 PR tree-optimization/34263
6554 * tree-outof-ssa.c (process_single_block_loop_latch,
6555 contains_tree_r): New functions.
6556 (analyze_edges_for_bb): Call process_single_block_loop_latch
6557 function to empty single-basic-block latch block if possible.
6559 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6561 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
6563 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
6565 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
6567 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
6569 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
6571 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
6573 2008-01-05 Jakub Jelinek <jakub@redhat.com>
6575 PR tree-optimization/34618
6576 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
6579 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6582 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
6583 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
6584 Update copyright year.
6586 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
6587 Update copyright year.
6588 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
6591 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
6593 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
6594 edge does not point to current bb before changing need_assert.
6596 2008-01-04 Richard Guenther <rguenther@suse.de>
6599 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
6600 for verifying purposes if they are is_gimple_min_invariant.
6602 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
6604 PR tree-optimization/34448
6605 PR tree-optimization/34465
6606 * gimplify.c (gimplify_init_constructor): Add new parameter
6607 notify_temp_creation. Use it.
6608 (gimplify_modify_expr_rhs): Take volatiles into account when
6609 optimizing constructors.
6610 Do not optimize constructors if gimplify_init_constructor will dump to
6612 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
6613 * gcc.c-torture/compile/pr34448.c: New.
6615 2008-01-04 Jakub Jelinek <jakub@redhat.com>
6617 PR gcov-profile/34609
6618 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
6619 return_slot if result is TREE_ADDRESSABLE.
6621 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
6623 * config/mips/mips.md (sqrt_condition): Tweak comment.
6624 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
6626 2008-01-03 Tom Tromey <tromey@redhat.com>
6629 * c-common.c (c_type_hash): Handle VLAs.
6631 2008-01-03 Jan Hubicka <jh@suse.cz>
6633 PR tree-optimization/31081
6634 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
6635 0 when inlining and not inlining to first basic block.
6636 (remap_decl): When var is initialized to 0, don't set default_def.
6637 (expand_call_inline): Set entry_bb.
6638 * tree-inline.h (copy_body_data): Add entry_bb.
6640 2008-01-03 Jakub Jelinek <jakub@redhat.com>
6643 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
6646 PR tree-optimization/29484
6647 * tree-inline.c (inline_forbidden_p_2): New function.
6648 (inline_forbidden_p): Disallow inlining if some static var
6649 has an address of a local LABEL_DECL in its initializer.
6650 * doc/extend.texi (Labels as Values): Document &&foo behaviour
6653 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
6655 PR tree-optimization/34635
6656 * tree-data-ref.c (add_other_self_distances): Make sure that the
6657 evolution step is constant.
6659 2008-01-03 Jakub Jelinek <jakub@redhat.com>
6662 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
6664 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
6666 * tree-sra.c (scalarize_init): Insert the generate_element_init
6667 statements after the generate_element_zero statements.
6669 2008-01-02 Richard Guenther <rguenther@suse.de>
6673 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
6674 for very large number of operands instead of ICEing.
6676 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
6679 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
6680 while stack probing.
6682 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
6684 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
6687 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
6690 * tree-mudflap.c (mx_register_decls): Guard warning by
6691 !DECL_ARTIFICIAL check.
6693 2008-01-01 Jakub Jelinek <jakub@redhat.com>
6695 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
6696 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
6697 sse5_perm<mode>): Fix constraints.