1 2008-04-08 Vladimir Makarov <vmakarov@redhat.com>
3 * ira-color.c (assign_hard_reg): Add debug printing.
5 * ira-lives.c (mark_reg_store, mark_reg_death,
6 process_bb_node_lives): Ignore hard regno of class NO_REGS.
8 * ira.c: Fix typos in comments.
10 2008-04-07 Vladimir Makarov <vmakarov@redhat.com>
12 * cfgloopanal.c (estimate_reg_pressure_cost): Decrease register
13 pressure cost for IRA regional allocation.
15 * ira.c: Add IRA overview.
17 2008-04-06 Vladimir Makarov <vmakarov@redhat.com>
19 * ira-int.h (reg_class_intersect, reg_class_union): Add comments.
21 * hard-reg-set.h (reg_class_subclasses): New external definition.
23 * ira.c (setup_reg_class_intersect_union): Define for classes
24 containing no hard registers available for allocation.
26 * regclass.c (reg_class_subclasses): Make it external.
28 * config/sh/sh.h (IRA_COVER_CLASSES): Add TARGET_REGS.
30 2008-04-05 Vladimir Makarov <vmakarov@redhat.com>
32 * toplev.c (backend_init_target): Move init_ira after
35 * config/sh/sh.c (sh_secondary_reload): Remove check of x on null.
37 2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
39 * config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
41 2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
43 * config/sh/sh.h (IRA_COVER_CLASSES): Define.
44 * config/sh/sh.c (sh_secondary_reload): Return NO_REGS for
46 * config/sh/sh.md (movsicc_true+3): Check if emit returns
48 * final.c (update_regs_ever_live): Check null rtl.
50 2008-04-04 Vladimir Makarov <vmakarov@redhat.com>
52 * reload1.c: Remove spaces before [.
54 * ira-conflicts.c, ira-int.h, ira-color.c, ira-lives.c,
55 ira-emit.c, ira-build.c, ira.c, ira.h, ira-costs.c: Ditto. Use
58 * caller-save.c: Ditto.
59 (set_up_bb_rts_numbers, rpost_cmp): Remove.
60 (save_trans_fun, save_con_fun_0, save_con_fun_n): New functions.
61 (struct bb_info): Remove member rts_number.
62 (calculate_local_save_info): Setup empty_save_in_p for abnormal
64 (all_blocks): New variable.
65 (calculate_save_in_out): Use df_simple_dataflow.
66 (make_global_save_analysis): Allocate/setup/free all_blocks.
68 2008-04-04 Vladimir Makarov <vmakarov@redhat.com>
70 * ira-costs.c: Use GPL3 in the header.
71 (find_allocno_class_costs): Use all important
72 classes on the 1st iteration.
74 2008-04-03 Vladimir Makarov <vmakarov@redhat.com>
76 PR rtl-optimization/35817
77 * ira-costs.c (ira-costs.c): Check have_regs_of_mode.
79 2008-04-02 Vladimir Makarov <vmakarov@redhat.com>
81 * ira-color.c (start_allocno_priorities): Permit zero allocno
84 2008-03-31 Vladimir Makarov <vmakarov@redhat.com>
86 * ira-color.c (push_allocnos_to_stack): Don't use double. Use
87 const as the secondary heuristic.
89 * ira-emit.c (set_allocno_reg): Change cap reg too. Process all
92 * doc/invoke.texi (-fira-coalescing): Change to -fira-coalesce.
94 * toplev.h (flag_lower_subreg): Remove.
96 * global.c (build_insn_chain): Remove the prototype.
98 * alias.c (value_addr_p): Change comment.
100 * emit-rtl.c (gen_lowpart_common): Remove CONCATN.
102 * simplify-rtx.c (simplify_subreg): Ditto.
104 * common.opt (flower-subreg): Remove.
106 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Fix last
109 2008-03-29 Vladimir Makarov <vmakarov@redhat.com>
111 * ira-lives (process_single_reg_class_operands): Fix typo in
112 setting up cover_class.
114 2008-03-28 Vladimir Makarov <vmakarov@redhat.com>
116 * ira-conflicts.c, global.c, regmove.c, function.c,
117 ira-emit.c, alias.c, reload1.c: Add comments, fix comments.
119 * reload.h: Add 2008 to the Copyright.
121 * caller-save.c: Add comments.
122 (reg_save_code, reg_restore_code, initiate_saved_hard_regs,
123 new_saved_hard_reg, finish_saved_hard_regs,
124 saved_hard_reg_compare_func, calculate_local_save_info,
125 set_up_bb_rts_numbers, rpost_cmp, calculate_save_in_out,
126 calculate_save_here, make_global_save_analysis,
127 print_hard_reg_set_and_mode, print_hard_reg_set, print_save_data,
128 set_hard_reg_saved, add_stored_regs): Add prototypes.
130 * df-scan.c (df_get_call_refs): Use
131 get_call_invalidated_used_regs.
133 * ira-int.h: Add comments.
134 (loop_tree_node): Rename inner to children.
135 (ira_allocate_regset, ira_free_regset): Remove.
136 (reassign_conflict_allocnos): Remove one parameter.
138 * ira-color.c: Add comments.
139 (setup_curr_costs): Rename to update_curr_costs.
140 (allocno_cost_compare_func, print_coalesced_allocno,
141 allocno_reload_assign): Add prototypes.
142 (reassign_conflict_allocnos): Remove one parameter.
144 * ira-lives.c: Add comments.
145 (make_regno_dead, make_regno_born_and_dead,
146 create_start_finish_chains, print_allocno_live_ranges,
147 print_live_ranges): Add protoypes.
149 * ira-build.c: Add comments.
150 (copy_allocno_live_range_list): Make it static.
152 * ira.c: Add comments.
153 (setup_cover_classes): Rename to
154 setup_cover_and_important_classes.
155 (free_register_move_costs, chain_freq_compare, chain_bb_compare,
156 ira): New prototypes.
157 (mode_inner_mode, setup_inner_mode, ira_allocate_regset,
158 ira_free_regset): Remove.
160 * ira.h: Add comments.
161 (SECONDARY_INPUT_RELOAD_CLASS,
162 SECONDARY_OUTPUT_RELOAD_CLASS, HAVE_SECONDARY_RELOADS,
163 MEMORY_MOVE_COST, reg_equiv_memory_loc_varray, reg_equiv_constant,
164 reg_equiv_memory_loc, reg_equiv_address, reg_equiv_mem, ira):
167 * ira-costs.c: Add comments.
168 (find_allocno_class_costs): Make common class a cover class.
170 2008-03-20 Vladimir Makarov <vmakarov@redhat.com>
172 * ira-int.h (allocno): Rename conflict_allocno_vec and
173 conflict_allocno_vec_size into conflict_allocno_array and
174 conflict_allocno_array_size. Remove conflict_allocnos_num.
175 Rename total_conflict_allocnos_num into conflict_allocnos_num New
176 members child_renamed_p and conflict_vec_p.
177 (ALLOCNO_CONFLICT_ALLOCNO_VEC): Rename to
178 ALLOCNO_CONFLICT_ALLOCNO_ARRAY.
179 (ALLOCNO_CONFLICT_ALLOCNO_VEC_SIZE): Rename to
180 ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE.
181 (ALLOCNO_CHILD_RENAMED_P, ALLOCNO_CONFLICT_VEC_P): New macros.
182 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Change to
183 FOR_EACH_ALLOCNO_IN_SET.
184 (allocno_set_iterator): New typedef.
185 (allocno_set_iter_init, allocno_set_iter_cond,
186 allocno_set_iter_next): New functions.
187 (conflict_vector_profitable_p, allocate_allocno_conflict_vec): New
189 (allocno_iterator): New typedef.
190 (allocno_iter_init, allocno_iter_cond): New functions.
191 (FOR_EACH_ALLOCNO): New macro.
192 (copy_iterator): New typedef.
193 (copy_iter_init, copy_iter_cond): New functions.
194 (FOR_EACH_COPY): New macro.
195 (allocno_conflict_iterator): New typedef.
196 (allocno_conflict_iter_init, allocno_conflict_iter_cond,
197 allocno_conflict_iter_next): New functions.
198 (conflict_vector_profitable_p, allocate_allocno_conflict_vec): New
200 (FOR_EACH_ALLOCNO_CONFLICT): New macro.
202 * ira-conflicts.c (conflicts): Change type.
203 (CONFLICT_P): Use one more index for conflicts.
204 (build_conflict_bit_table): Change allocation and initialization
206 (mirror_conflicts): Rewrite.
207 (remove_conflict_allocno_copies): Use FOR_EACH_ALLOCNO.
208 (build_allocno_conflict_vects): Rename to build_allocno_conflicts.
210 (print_conflicts): Use FOR_EACH_ALLOCNO, don't print star.
211 (ira_build_conflicts): Use FOR_EACH_ALLOCNO.
213 * ira-color.c (assign_hard_reg): Use FOR_EACH_ALLOCNO_CONFLICT.
214 Use min_full_cost for finding register profitability.
215 (push_allocno_to_stack): Use FOR_EACH_ALLOCNO_CONFLICT.
216 (setup_allocno_left_conflicts_num, coalesced_allocno_conflict_p):
218 (move_spill_restore): Use FOR_EACH_ALLOCNO.
219 (reassign_conflict_allocnos): Ditto. Use
220 FOR_EACH_ALLOCNO_CONFLICT.
221 (sort_regnos_for_alter_reg): Use FOR_EACH_ALLOCNO.
222 (reassign_pseudos): Use FOR_EACH_ALLOCNO_CONFLICT.
224 * ira-lives.c (make_regno_born, clear_allocno_live,
225 mark_reg_death, process_single_reg_class_operands,
226 process_bb_node_lives): Use FOR_EACH_ALLOCNO_IN_SET.
227 (create_start_finish_chains, print_live_ranges): Use
230 * ira-emit.c (set_allocno_reg): Set up ALLOCNO_CHILD_RENAMED_P.
231 (set_allocno_somewhere_renamed_p): Use
232 ALLOCNO_CONFLICT_ALLOCNO_ARRAY.
233 (ira_emit): Use FOR_EACH_ALLOCNO.
235 * ira.c (setup_reg_renumber, setup_allocno_assignment_flags,
236 calculate_allocation_cost, check_allocation,
237 print_redundant_copies, setup_preferred_alternate_classes): Use
240 * ira-costs.c (print_costs, setup_allocno_cover_class_and_costs,
241 ira_costs, tune_allocno_costs_and_cover_classes): Use
244 * ira-build.c (check_allocno_conflict_vec): Remove.
245 (add_to_allocno_conflict_vec): Rename to
246 allocate_allocno_conflicts. Rewrite.
247 (allocate_allocno_conflict_bit_vec, allocate_allocno_conflicts,
248 remove_wrong_conflicts, change_allocno_conflicts): New functions.
249 (rebuild_regno_allocno_maps): Use FOR_EACH_ALLOCNO.
250 (create_allocno): Initialize ALLOCNO_CHILD_RENAMED_P and
251 ALLOCNO_CONFLICT_VEC_P.
252 (conflict_vector_profitable_p): New function.
253 (compress_allocno_conflict_vec): Use
254 ALLOCNO_CONFLICT_ALLOCNO_ARRAY and don't use
255 ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM.
256 (compress_conflict_vecs): Use FOR_EACH_ALLOCNO. Check
257 ALLOCNO_CONFLICT_VEC_P.
258 (propagate_info_to_cap): Use FOR_EACH_ALLOCNO_CONFLICT.
259 (finish_allocnos): Use FOR_EACH_ALLOCNO.
260 (finish_copies): Use FOR_EACH_COPY.
261 (check_and_add_conflicts): Change second parameter. Use
262 add_to_allocno_conflicts instead of add_to_allocno_conflict_vec.
263 (temp_change_bit_vec): New variable.
264 (ira_flattening): Use FOR_EACH_ALLOCNO and FOR_EACH_COPY. Use
265 remove_wrong_conflicts, change_allocno_conflicts. Allocate and
266 free temp_change_bit_vec. Nullify `allocnos' elements for removed
267 allocnos. Check ALLOCNO_CHILD_RENAMED_P for removing obsolete
268 conflicts. Don't compress and enumerate allocnos and copies.
269 Nullify `copies' elements for removed copies. Use
270 add_to_allocno_conflicts instead of add_to_allocno_conflict_vec.
271 (ira_build): Use FOR_EACH_ALLOCNO.
273 2008-03-18 Vladimir Makarov <vmakarov@redhat.com>
275 * common.opt (fira-algorithm): Fix description
277 * ira-int.h (allocno): Remove best_class.
278 (ALLOCNO_BEST_CLASS): Remove.
279 (strict_class_subset_p): Remove.
281 * ira-color.c (get_coalesced_allocnos_best_class_and_freq): Rename
282 to get_coalesced_allocnos_attributes. Change prototype.
283 Calculate available regs.
284 (bucket_allocno_compare_func, sort_bucket): New functions.
285 (sorted_allocnos_for_spilling): New variable.
286 (assign_hard_reg): Don't add prohibited_class_mode_regs to
287 conflicting_regs. Use it in loop for finding the best hard
289 (add_allocno_to_ordered_bucket): Use bucket_allocno_compare_func.
290 (push_only_colorable): Call sort_bucket.
291 (push_allocnos_to_stack): Use sorted_allocnos_for_spilling instead
293 (put_allocno_into_bucket): Use add_allocno_to_bucket instead of
294 add_allocno_to_ordered_bucket.
295 (initiate_ira_assign): Allocate sorted_allocnos_for_spilling.
296 (finish_ira_assign): Free sorted_allocnos_for_spilling.
298 * ira-emit.c (modify_move_list): Remove setting ALLOCNO_BEST_CLASS
301 * ira-build.c (create_allocno, create_cap_allocno): Ditto.
303 * ira.c (strict_class_subset_p): Remove.
304 (setup_class_subset_and_memory_move_costs): Remove setting
305 strict_class_subset_p up.
307 * ira-costs.c (setup_allocno_cover_class_and_costs): Remove
308 setting ALLOCNO_BEST_CLASS up.
310 2008-03-12 Vladimir Makarov <vmakarov@redhat.com>
312 * ira-int.h (allocno_pool, copy_pool, allocno_live_range_pool):
313 Remove external definitions.
314 (free_allocno_updated_costs, allocate_cost_vector,
315 free_cost_vector): New prototypes.
316 (allocate_and_set_costs, allocate_and_copy_costs,
317 allocate_and_set_or_copy_costs): Change prototypes. Use
318 allocate_cost_vector instead of ira_allocate.
320 * ira-conflicts.c (add_insn_allocno_copies): Pass register class
321 to allocate_and_set_costs.
323 * ira-color.c (update_copy_costs_1): Pass register class to
324 allocate_and_set_or_copy_costs.
325 (assign_hard_reg): Pass register class to allocate_and_copy_costs.
327 (pop_allocnos_from_stack, color_allocnos): Check updated costs.
328 (color_pass): Pass register class to allocate_and_set_costs. Free
330 (move_spill_restore): Check reg equivalences.
331 (setup_curr_costs): Pass register class to
332 allocate_and_set_or_copy_costs.
333 (reassign_conflict_allocnos, allocno_reload_assign): Check updated
335 (calculate_spill_cost): Use REG_N_REFS after checking regno.
337 * ira-lives.c (process_single_reg_class_operands): Pass register
338 class to allocate_and_set_costs.
340 * ira-build.c (allocno_pool, allocno_live_range_pool): New
342 (initiate_allocnos): Initiate the pools.
343 (free_allocno_updated_costs): New function.
344 (finish_allocno): Use free_cost_vector. Free the pools.
345 (copy_pool): New variable.
346 (initiate_copies): Initiate the pool.
347 (cost_vector_pool): New variable.
348 (initiate_cost_vectors, allocate_cost_vector, free_cost_vector,
349 finish_cost_vectors): New functions.
350 (ira_flattening): Call free_allocno_updated_costs. Check updated
352 (ira_build): Call initiate_cost_vectors.
353 (ira_destroy): Call finish_cost_vectors.
355 * ira.c (find_reg_equiv_invariant_const): Check read only memory.
356 (setup_reg_renumber, setup_allocno_assignment_flags): Call
357 free_allocno_updated_costs.
358 (ira): Remove initializations and freeing allocno_pool, copy_pool,
359 and allocno_live_range_pool. Call generate_setjmp_warnings.
361 * ira-costs.c (process_bb_node_for_hard_reg_moves,
362 tune_allocno_costs_and_cover_classes): Pass register class to
363 allocate_and_set_costs.
365 * caller-save.c (save_slots_num, save_slots): New variables.
366 (init_save_areas): Initiate save_slots_num.
367 (setup_save_areas): Use stack slots from the previous reload
368 iteration independetly what slot was used on the previous pass.
370 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
372 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
373 Remove commutativity hint.
375 2008-03-06 Vladimir Makarov <vmakarov@redhat.com>
377 * ira.h (sort_regnos_for_alter_reg): Add parameter.
379 * reload1.c (reload): Pass additional argument to
380 sort_regnos_for_alter_reg.
382 * ira-int.h (reg_equiv_len): New global variable.
384 * ira-emit.c (change_loop): Add assertion.
386 * ira.c (reg_equiv_len): New global variable.
387 (setup_reg_renumber): Use reg_equiv_len in assertion.
388 (ira): Initialize reg_equiv_len and spilled_reg_stack_slots.
390 * ira-color.c (coalesced_pseudo_reg_compare): Rename to
391 coalesced_pseudo_reg_freq_compare.
392 (coalesced_pseudo_reg_slot_compare,
393 setup_coalesced_allocno_costs_and_nums,
394 collect_spilled_coalesced_allocnos, coalesce_spill_slots): New
396 (coalesced_allocno_conflict_p): Add new parameter. Use live
397 ranges to find conflicts for the reload.
398 (coalesce_allocnos): Don't coalesce allocnos with equivalences.
399 (color_pass): Check reg_quiv_len.
400 (regno_max_ref_width): New variable.
401 (sort_regnos_for_alter_reg): Add secondary coalescing spilled
402 allocnos. Assign stack slot numbers. Use costs instead of
404 (mark_allocation_change): Set up allocno hard regno.
405 (allocno_reload_assign): Ditto.
406 (reuse_stack_slot): Use stack slot numbers.
407 (mark_new_stack_slot): Set up allocno slot number.
409 * doc/passes.texi: Add more info about IRA.
411 2008-03-03 Vladimir Makarov <vmakarov@redhat.com>
413 * ira-conflicts.c (allocno_conflict_p): Rename to
414 allocno_live_ranges_intersect_p.
415 (allocno_reg_conflict_p): Rename to
416 pseudo_live_ranges_intersect_p.
418 * ira-lives.c (high_pressure_start_point): New variable.
419 (update_allocno_pressure_excess_length): New function.
420 (make_regno_dead): Call it.
421 (set_allocno_live): Udpate high_pressure_start_point.
422 (clear_allocno_live, mark_reg_store, mark_reg_death): Ditto.
423 (process_bb_node_lives): Initialize high_pressure_start_point.
424 Consider only allocatable hard regs for liveness.
426 * ira-costs.c (record_reg_classes): Multiply cost by frequency.
427 Use half frequency when memory is allowed. Remove check for
428 prefferred small register classes of pseudo-registers.
429 (scan_one_insn): Continue processing operands for moves of
430 pseudo-registers with equivalence. Don't multiply cost by
432 (init_ira_costs): Use bigger initial cost value.
435 (allocno): New members somewhere_renamed_p and
436 excess_pressure_points_num.
437 (ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_EXCESS_PRESSURE_POINTS_NUM):
439 (allocno_reg_conflict_p): Rename to
440 pseudo_live_ranges_intersect_p.
441 (allocno_conflict_p): Rename to allocno_live_ranges_intersect_p.
443 * ira.h (sort_regnos_for_alter_reg, better_spill_reload_regno_p):
444 New function prototypes.
446 * ira-color.c (merge_allocnos): Remove mode check.
447 (coalesce_allocnos): Add parameter and modify to use it for
448 coalescing spilled allocnos.
449 (color_allocnos): Pass parameter to coalesce_allocnos.
450 (regno_coalesced_allocno_freq, regno_coalesced_allocno_num): New
452 (coalesced_pseudo_reg_compare, calculate_spill_cost,
453 sort_regnos_for_alter_reg, better_spill_reload_regno_p): New
455 (mark_allocation_change, allocno_reload_assign, reassign_pseudos
456 ): Use ALLOCNO_MEMORY_COST instead of ALLOCNO_UPDATED_MEMORY_COST.
457 (reuse_stack_slot): Use pseudo_live_ranges_intersect_p instead of
458 allocno_reg_conflict_p.
460 * ira-emit.c (set_allocno_somewhere_renamed_p): New function.
461 (renamed_regno_bitmap): New static variable.
462 (change_loop): Check register pressure for creating new pseudo.
463 Set up ALLOCNO_SOMEWHERE_RENAMED_P and renamed_regno_bitmap.
464 (ira_emit): Allocate/deallocate renamed_regno_bitmap.
465 Call set_allocno_somewhere_renamed_p.
467 * ira-build.c (ira_loops): Move to ira.c.
468 (create_allocno): Initialize ALLOCNO_SOMEWHERE_RENAMED_P and
470 (create_cap_allocno): Set up ALLOCNO_MEMORY_COST.
471 (check_and_add_conflicts): Use allocno_live_ranges_intersect_p
472 instead of allocno_conflict_p.
473 (ira_flattening): Check conflicts of allocno renamed somewhere
474 locally. Update ALLOCNO_EXCESS_PRESSURE_POINTS_NUM.
475 (ira_build): Move code for finding loops to ira.c.
476 (ira_destroy): Move code for freeing loops to ira.c.
478 * ira.c (setup_reg_class_intersect_union): Fix calculation of
480 (calculate_allocation_cost): Use ALLOCNO_MEMORY_COST instead of
481 ALLOCNO_UPDATED_MEMORY_COST.
482 (ira_loops): Move from ira-build.c.
483 (ira): Move code for finding and freeing loops from ira-build.c.
484 Don't use regional RA when there are too many loops.
486 * reload1.c (pseudo_reg_compare): Remove.
487 (reload): Use sort_regnos_for_alter_reg.
488 (hard_regno_to_pseudo_regno): New variable.
489 (count_pseudo): Set up hard_regno_to_pseudo_regno.
490 (order_regs_for_reload): Initialize hard_regno_to_pseudo_regno.
491 (count_spilled_pseudo): Update hard_regno_to_pseudo_regno.
492 (find_reg): Use better_spill_reload_regno_p. Check
493 hard_regno_to_pseudo_regno.
495 * cfgloopanal.c: Include params.h.
496 (estimate_reg_pressure_cost): Check number of loops.
498 * params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
500 * params.h (IRA_MAX_LOOPS_NUM): New macro.
502 * Makefile.in (cfgloopanal.o): Add PARAMS_H.
504 * doc/invoke.texi (ira-max-loops-num): Describe.
506 2008-02-20 Vladimir Makarov <vmakarov@redhat.com>
508 * ira.h, ira-emit.c: Add year 2008 to the copyright.
511 (struct copy): Rename move_insn to insn.
512 (initiate_ira_assign, finish_ira_assign, debug_allocno_copies):
513 New function prototypes.
515 * ira-build.c: Add year 2008 to the copyright. Rename member
516 move_insn of the copies to insn.
517 (find_allocno_copy): New function.
518 (propagate_info_to_cap, add_allocno_copy): Use it.
519 (print_allocno_copies, debug_allocno_copies): New functions.
521 * ira-conflicts.c: Add year 2008 to the copyright. Rename member
522 move_insn of the copies to insn.
525 (setup_reg_class_intersect_union): Fix reg_class_union for cover
527 (ira): Call initiate_ira_assign and finish_ira_assign. Remove
528 setting reload_completed up.
530 * ira-costs.c: Add year 2008 to the copyright.
531 (ira_costs): Check modes of registers.
533 * ira-lives.c: Add year 2008 to the copyright.
534 (mark_reg_store, mark_reg_death, process_bb_node_lives): Don't use
536 (process_single_reg_class_operands): Check that the hard reg
537 belongs to the cover class.
539 * ira-color.c: Add year 2008 to the copyright. Rename member
540 move_insn of the copies to insn.
541 (initiate_cost_update, finish_cost_update, update_copy_costs_1):
543 (allocno_update_cost_check, update_cost_check): New static
545 (update_copy_costs): Increment update_cost_check. Call
547 (coalesce_allocnos): Don't coalesce already assigned allocnos or
548 copies with null insn.
549 (color_pass): Check loop tree node of the subloop allocno.
550 (finish_allocno_priorities): Remove.
551 (do_coloring): Move allocation/deallocation of
552 consideration_allocno_bitmap into initiate_cost_update and
554 (reassign_conflict_allocnos): Remove allocation/deallocation of
555 sorted_allocnos. Remove call of finish_allocno_priorities.
556 (reassign_pseudos): Remove allocation/deallocation of
557 consideration_allocno_bitmap and sorted_allocnos. Remove call of
558 finish_allocno_priorities.
559 (initiate_ira_assign, finish_ira_assign): New fucntions.
560 (ira_color): Remove allocation/deallocation of sorted_allocnos.
561 Call initiate_ira_assign and finish_ira_assign.
563 * postreload.c (gate_handle_postreload): Don't do post reload
564 optimizations unless the reload is completed.
566 * cfgloopanal.c (estimate_reg_pressure_cost): Return zero if we
569 * recog.c (peep2_free_reg_search_ofs): New static variable.
570 (peep2_find_free_register): Remove search_ofs. Use
571 peep2_free_reg_search_ofs instead of it.
572 (peephole2_optimize): Reset peep2_free_reg_search_ofs.
574 2008-01-10 Vladimir Makarov <vmakarov@redhat.com>
576 * reload1.c (compute_use_by_pseudos): Permits spilled registers in
578 (temp_pseudo_reg_arr): New variable.
579 (reload): Use instead temp_pseudo_reg_arr of pseudo_regs. Move
580 freeing to the function end. Don't clear spilled_pseudos for IRA.
581 Restore original insn chain for IRA.
582 (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
583 (count_pseudo, count_spilled_pseudo): Check spilled pseudos.
584 (alter_reg): Set up spilled_pseudos.
585 (finish_spills): Set up pseudo_previous_regs only for spilled
586 pseudos. Call reassign_pseudos once for all spilled pseudos,
587 pass more arguments. Don't clear live_throughout and dead_or_set
590 2008-01-10 Vladimir Makarov <vmakarov@redhat.com>
592 * reload1.c (compute_use_by_pseudos): Permits spilled registers in
594 (temp_pseudo_reg_arr): New variable.
595 (reload): Use instead temp_pseudo_reg_arr of pseudo_regs. Move
596 freeing to the function end. Don't clear spilled_pseudos for IRA.
597 Restore original insn chain for IRA.
598 (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
599 (count_pseudo, count_spilled_pseudo): Check spilled pseudos.
600 (alter_reg): Set up spilled_pseudos.
601 (finish_spills): Set up pseudo_previous_regs only for spilled
602 pseudos. Call reassign_pseudos once for all spilled pseudos,
603 pass more arguments. Don't clear live_throughout and dead_or_set
606 * global.c (reg_becomes_live, build_insn_chain): Don't ignore
607 spilled pseudos for IRA.
609 * caller-save.c (calculate_local_save_info,
610 save_call_clobbered_regs): Ignore spilled pseudos for IRA.
612 * toplev.c (backend_init_target): Call init_ira.
613 (backend_init): Move call of init_ira_once before
616 * ira.h (init_ira, sort_insn_chain, mark_memory_move_deletion):
617 New function prototypes.
618 (retry_ira_color): Rename to reassign_pseudos. Change
621 * ira-int.h (allocno): New member dont_reassign_p.
622 (ALLOCNO_DONT_REASSIGN_P): New macro.
623 (memory_move_cost): Change element type.
624 (register_move_cost): Change type.
625 (register_may_move_in_cost, register_may_move_out_cost,
626 reg_class_intersect): New arrays.
627 (important_class_nums): Fix element type.
628 (hard_reg_not_in_set_p): Make it static inline.
629 (init_register_move_cost, init_ira_costs): New function
631 (allocno_conflict_index): Remove.
632 (allocate_and_set_costs, allocate_and_copy_costs,
633 allocate_and_set_or_copy_costs): New static inline functions.
635 * ira-build.c (compress_allocno_conflict_vec,
636 compress_conflict_vecs): New functions.
637 (allocno_conflict_index): Remove.
638 (allocno_conflict_check, curr_allocno_conflict_check_tick): New
640 (propagate_info_to_cap): Use allocate_and_copy_costs.
641 (check_and_add_conflicts): Don't call allocno_conflict_index.
642 (ira_flattening): Add some assertions. Check that cost vectors
643 have been allocated. Don't call allocno_conflict_index. Call
644 compress_conflict_vecs.
646 * ira.c (memory_move_cost, register_move_cost): Change types.
647 (register_may_move_in_cost, register_may_move_out_cost,
648 strict_class_subset_p): New variables.
649 (setup_class_subset_and_move_costs): Rename to
650 setup_class_subset_and_memory_move_costs. Remove
651 register_move_cost setup. Don't consider no_unit_alloc_regs. Add
652 strict_class_subset_p setup.
653 (setup_reg_class_intersect): Rename to
654 setup_reg_class_intersect_union. Don't consider
655 no_unit_alloc_regs. Add reg_class_union setup.
656 (hard_reg_not_in_set_p): Move to ira-int.h.
657 (setup_reg_subclasses): Use no_unit_alloc_regs instead of
658 fixed_reg_set. Don't consider no_unit_alloc_regs.
659 (important_class_nums): Fix element type.
660 (setup_cover_classes): Use no_unit_alloc_regs instead of
661 fixed_reg_set. Don't consider no_unit_alloc_regs.
662 (setup_class_translate): Ditto.
663 (reg_class_union): New variable.
664 (init_register_move_cost, free_register_move_costs): New
666 (init_ira_once): Initialize register_move_cost,
667 register_may_move_in_cost, register_may_move_out_cost. Move some
669 (init_ira): New function. Move some code from init_ira_once.
670 Call free_register_move_costs and init_ira_costs.
671 (calculate_allocation_cost): Check allocation of allocno hard reg
673 (basic_block_order_nums): New variable.
674 (chain_freq_compare, chain_bb_compare, sort_insn_chain): New
676 (ira): Call sort_insn_chain.
678 * ira-color.c (allocno_coalesced_p): New variable.
679 (update_copy_costs): Use allocate_and_set_or_copy_costs.
680 (assign_hard_reg): Clear and use
681 processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
682 Use allocate_and_copy_costs. Use allocno cover class cost if the
683 hard register cost vector is not allocated.
684 (get_coalesced_allocnos_best_class_and_freq): Use
685 reg_class_intersect instead of reg_class_subintersect.
686 (add_allocno_to_ordered_bucket): Use strict_class_subset_p.
687 (push_allocno_to_stack): Clear and use
688 processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
689 (setup_allocno_left_conflicts_num): Don't setup
690 ALLOCNO_UPDATED_HARD_REG_COSTS and
691 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS. Clear and use
692 processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
693 (put_allocno_into_bucket): Don't setup
694 ALLOCNO_UPDATED_HARD_REG_COSTS and
695 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.
696 (coalesced_allocno_conflict_p): Clear and use
697 processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
698 (coalesce_allocnos): Setup allocno_coalesced_p.
699 (color_allocnos): Add processing reg class NO_REGS.
700 (color_pass): Propagate assignment of spilled allocno not
701 mentioned in the subregion for the mixed algorithm. Use
702 allocate_and_set_costs.
703 (move_spill_restore, mark_allocation_change): Check unallocated
704 hard reg cost vectors.
705 (setup_curr_costs): Don't setup ALLOCNO_UPDATED_HARD_REG_COSTS and
706 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS. Use
707 allocate_and_set_or_copy_costs.
708 (mark_memory_move_deletion, allocno_reload_assign,
709 pseudo_reg_compare, reassign_pseudos): New functions.
710 (retry_ira_color): Remove.
712 * ira-conflicts.c (add_insn_allocno_copies): Use
713 allocate_and_set_costs.
714 (allocno_conflict_p): Simplify the code.
716 * ira-costs.c: Rename reg_class_subunion to reg_class_union
718 (cost_classes, cost_classes_num, cost_class_nums,
719 max_struct_costs_size): New variables.
720 (copy_cost): Use init_register_move_cost instead of
722 (record_reg_classes): Ditto. Use cost_classes and
723 cost_classes_num instead of important_classes and
724 important_classes_num. Use register_may_move_{in,out}_cost
725 instead of may_move_{in,out}_cost. Check reg class intersection
727 (record_address_regs): Use init_register_move_cost instead of
728 init_move_cost. Use cost_classes and cost_classes_num instead of
729 important_classes and important_classes_num. Use
730 register_may_move_in_cost instead of may_move_in_cost.
731 (scan_one_insn): Use cost_classes_num instead of
732 important_classes_num.
733 (print_costs): Use cost_classes and cost_classes_num instead of
734 important_classes and important_classes_num.
735 (find_allocno_class_costs): Initialize cost_classes and
736 cost_class_nums. Use cost_classes and cost_classes_num instead of
737 important_classes and important_classes_num.
738 (process_bb_node_for_hard_reg_moves): Use allocate_and_set_costs.
739 (setup_allocno_cover_class_and_costs): Use cost_classes and
740 cost_classes_num instead of important_classes and
741 important_classes_num.
742 (init_ira_costs_once): Move some code to init_ira_costs. Initiate
744 (free_ira_costs: New function. Move some code from
745 finish_ira_costs_once.
746 (init_ira_costs): New function. Move some code from
747 init_ira_costs_once. Use max_struct_costs_size instead of
748 struct_costs_size. Call free_ira_costs. Allocate cost_classes.
749 (finish_ira_costs_once): Move some code to finish_ira_costs. Call
751 (ira_costs): Use max_struct_costs_size instead of
752 struct_costs_size. Use allocate_and_set_costs.
754 * ira-emit.c (modify_move_list): Remove allocation of hard reg
757 * ira-lives.c (process_single_reg_class_operands): Add new
758 parameter freq. Calculate costs basing on the frequency.
759 (process_bb_node_lives): Pass the frequency to
760 process_single_reg_class_operands.
762 2007-12-17 Vladimir Makarov <vmakarov@redhat.com>
764 * doc/invoke.texi (fira-algoirthm): Remove prioirity coloring.
765 Make mixed the default.
767 * flags.h (ira_algorithm): Remove IRA_ALGORITHM_PRIORITY.
769 * ira-color.c (priority_coloring): Remove.
770 (do_coloring): Don't call priority_coloring.
772 * opts.c (common_handle_option): Remove priority coloring option.
774 * toplev.c (flag_ira_algorithm): Assign IRA_ALGORITHM_MIXED.
776 * ira-build.c (check_and_add_conflicts, ira_flattening): Increase
777 threshold for internal_flag_ira_verbose.
779 2007-12-17 Vladimir Makarov <vmakarov@redhat.com>
781 * common.opt (fira-assign-after-call-split, fira-biased-coloring,
782 fira-split-around-calls): Remove.
783 (fdump-simple-rtl, fira-verbose): New options.
784 (fira, fira-coalesce): Initiate by 0.
786 * opts.c (common_handle_option): Process flag_ira_verbose.
788 * flags.h (flag_ira_verbose): New external definition.
790 * toplev.h (flag_ira_assign_after_call_split,
791 flag_ira_biased_coloring, flag_ira_split_around_calls): Remove.
793 * toplev.c (flag_ira_verbose): New external declaration.
794 (finalize): Call finish_ira_once.
796 * print-rtl.c (flag_simple): Rename to flag_dump_simple_rtl.
798 * doc/invoke.texi (-fno-ira-assign-after-call-split,
799 -fira-biased-coloring, -fno-ira-split-around-calls): Remove.
800 (-fdump-simple-rtl, -fira-verbose): New options.
802 * caller-save.c (insert_restore, insert_save): Use
803 adjust_address_nv instead of adjust_address. Check the mode by
806 * ira-call.c: Remove file.
808 * ira-lives.c: New file.
810 * Makefile.in (ira-live.o): Add
811 (ira-call.o): Remove.
812 (IRA_INT_H): Add alloc-pool.h.
814 * ira.h (finish_ira_once): New external definition.
816 * ira-int.h (internal_flag_ira_verbose, alloc_pool allocno_pool,
817 copy_pool, allocno_live_range_pool, ira_loop_tree_height,
818 max_point, start_point_ranges, finish_point_ranges,
819 prohibited_mode_move_regs, important_class_nums,
820 ira_curr_regno_allocno_map, allocno_set_words): New external
822 (loop_tree_node_t, allocno_live_range_t): New typedefs. Use them
824 (ira_loop_tree_node): Rename to loop_tree_node.
825 (loop_tree_node): New member level.
826 (allocno_live_range): New structure.
827 (allocno): New members nrefs, live_ranges,
828 total_conflict_hard_regs, conflict_allocnos_num,
829 total_conflict_allocnos_num, mem_optimized_dest,
830 mem_optimized_dest_p, total_no_stack_reg_p. Remove members
831 conflict_allocno_vec_active_size and original_memory_cost. Rename
832 member curr_hard_reg_costs to updated_hard_reg_costs.
833 (ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM,
834 ALLOCNO_TOTAL_CONFLICT_HARD_REGS, ALLOCNO_CONFLICT_ALLOCNOS_NUM,
835 ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM, ALLOCNO_NREFS,
836 ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
837 ALLOCNO_TOTAL_NO_STACK_REG_P, ALLOCNO_LIVE_RANGES): New access
839 (ALLOCNO_CONFLICT_ALLOCNO_VEC_ACTIVE_SIZE,
840 ALLOCNO_ORIGINAL_MEMORY_COST): Remove.
841 (ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS): Rename to
842 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.
843 (allocno_copy): New member loop_tree_node.
844 (INT_BITS, INT_TYPE, EXECUTE_IF_SET_IN_ALLOCNO_SET): Move from
846 (SET_ALLOCNO_SET_BIT, CLEAR_ALLOCNO_SET_BIT,
847 TEST_ALLOCNO_SET_BIT): New macros.
848 (ira_reallocate, allocno_conflict_index, add_allocno_conflict,
849 create_allocno_live_range, finish_allocno_live_range,
850 add_allocno_copy_to_list, swap_allocno_copy_ends_if_necessary,
851 remove_allocno_copy_from_list, add_allocno_copy, ira_flattening,
852 finish_ira_costs_once, rebuild_start_finish_chains,
853 print_live_range_list, debug_live_range_list,
854 debug_allocno_live_ranges, debug_live_ranges,
855 create_allocno_live_ranges, finish_allocno_live_ranges,
856 allocno_conflict_p, loop_edge_freq): New external function
858 (hard_reg_in_set_p, original_regno_call_crossed_p,
859 ira_max_regno_before, ira_max_regno_call_before): Remove.
860 (traverse_loop_tree): Add new parameter type.
861 (create_copy): Ditto.
862 (debug_conflicts, ira_emit, add_allocno_copy): Add parameter.
863 (debug_ira_call_data, split_around_calls, get_around_calls_regno):
866 * ira.c (setup_prohibited_mode_move_regs): New function.
867 (internal_flag_ira_verbose, allocno_pool, copy_pool,
868 allocno_live_range_pool, important_class_nums): New external
870 (IRA_NO_OBSTACK): Uncomment it.
871 (ira_reallocate): New function.
872 (setup_cover_classes): Set up important_class_nums.
873 (finish_ira_once): New function.
874 (prohibited_mode_move_regs,
875 prohibited_mode_move_regs_initialized_p): New global variables.
876 (setup_prohibited_mode_move_regs): New function.
877 (setup_reg_renumber): Remove parameters.
878 (setup_allocno_assignment_from_reg_renumber): Rename to
879 setup_allocno_assignment_flags. Set up ALLOCNO_ASSIGNED_P.
880 (calculate_allocation_cost): Use ALLOCNO_UPDATED_MEMORY_COST.
881 (ira_max_regno_before, ira_max_regno_call_before): Remove.
882 (ira): Set up internal_flag_ira_verbose. Call
883 setup_prohibited_mode_move_regs. Create and destroy allocno,
884 copy, and live range pools. Remove original_regno_call_crossed_p.
885 Report major passes. Use argument for ira_emit. Call
886 ira_flattening and df_analyze. Remove live range splitting around
889 * ira-build.c (setup_loop_tree_level, rebuild_regno_allocno_maps,
890 expand_calls, compress_calls, allocno_conflict_index,
891 add_to_allocno_conflict_vec, propagate_info_to_cap,
892 copy_allocno_live_range, copy_allocno_live_range_list,
893 finish_allocno, finish_copy,
894 propagate_info_to_loop_tree_node_caps, merge_ranges,
895 common_loop_tree_node_dominator, check_and_add_conflicts,
896 add_conflict_with_underlying_allocnos, ira_flattening): New
898 (check_coalesced_allocnos): Remove.
899 (ira_loop_tree_height): New external variable.
900 (form_loop_tree): Call setup_loop_tree_level.
901 (initiate_calls): Allocate a bit more. (create_allocno): Use
902 pool_alloc. Set up ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM,
903 ALLOCNO_TOTAL_CONFLICT_HARD_REGS, ALLOCNO_NREFS,
904 ALLOCNO_TOTAL_NO_STACK_REG_P, ALLOCNO_MEM_OPTIMIZED_DEST,
905 ALLOCNO_MEM_OPTIMIZED_DEST_P, ALLOCNO_UPDATED_MEMORY_COST, and
906 ALLOCNO_LIVE_RANGES. Rename
907 ALLOCNO_CONFLICT_ALLOCNO_VEC_ACTIVE_SIZE,
908 ALLOCNO_CURR_HARD_REG_COSTS, and
909 ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS to
910 ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_UPDATED_HARD_REG_COSTS, and
911 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.
912 (add_allocno_conflict): Make it external. Use
913 add_to_allocno_conflict_vec.
914 (create_cap_allocno): Move part of code to propagate_info_to_cap.
915 (finish_allocnos): Use finish_allocno.
916 (add_allocno_copy_to_list, remove_allocno_copy_from_list,
917 swap_allocno_copy_ends_if_necessary, add_allocno_copy): Move from
918 ira-conflicts.c. Make them external.
919 (create_copy): Use pool_alloc. Add parameter loop_tree_node.
920 (finish_copies): Use finish_copy.
921 (ira_curr_regno_allocno_map): New external variable.
922 (traverse_loop_tree): Add parameter bb_first_p.
923 (create_insn_allocnos): Update ALLOCNO_NREFS.
924 (create_loop_tree_node_allocnos): Traverse loop tree nodes with
925 BBs first. Update ALLOCNO_NREFS.
926 (create_loop_tree_node_caps): Move part of code to
927 propagate_info_to_loop_tree_node_cap.
928 (regno_top_level_allocno_map): New global variable.
929 (ira_build): Create caps before build conflicts. Call
930 create_allocno_live_ranges. Propagate info to caps. Report
932 (ira_destroy): Call finish_allocno_live_ranges.
934 * ira-conflicts.c (set_allocno_live, clear_allocno_live,
935 record_regno_conflict, mark_reg_store, mark_reg_clobber,
936 mark_reg_conflicts, mark_reg_death): Remove.
937 (add_insn_allocno_copies, add_copies): New functions.
938 (add_allocno_copy_to_list, remove_allocno_copy_from_list,
939 swap_allocno_copy_ends_if_necessary, add_allocno_copy): Remove.
940 (add_allocno_copies): Rename to add_insn_allocno_copies. Use
941 ira_curr_regno_allocno_map and add_insn_allocno_copies.
942 (single_reg_class, single_reg_operand_class,
943 process_single_reg_class_operands, process_bb_node_for_conflicts):
945 (INT_BITS, INT_TYPE, EXECUTE_IF_SET_IN_ALLOCNO_SET): Move to
947 (allocnos_live_bitmap, SET_ALLOCNO_CONFLICT_ROW,
948 CLEAR_ALLOCNO_CONFLICT_ROW, TEST_ALLOCNO_CONFLICT_ROW): Remove.
949 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE, TEST_ALLOCNO_LIVE):
950 Use {SET, CLEAR, TEST}_ALLOCNO_SET_BIT.
951 (allocno_row_words, hard_regs_live, curr_bb_node,
952 curr_regno_allocno_map, curr_reg_pressure): Remove.
953 (CONFLICTP): Rename to CONFLICT_P.
955 (propagate_allocno_info): Use ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
956 Set up ALLOCNO_CALLS_CROSSED_START.
957 (allocno_conflict_p): New function.
958 (allocno_reg_conflict_p): Use allocno_conflict_p.
959 (build_allocno_conflict_vects): Divide original and propagated
961 (print_hard_reg_set): New function.
962 (print_conflicts): Use print_hard_reg_set. Set up mark for the
963 start of propagated conflicts.
964 (debug_conflicts): Add parameter.
965 (ira_build_conflicts): Call add_copies. Set up
966 ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
968 * ira-costs.c (struct costs): Make cost allocated dynamically.
969 (struct_costs_size, temp_cots, op_costs, this_op_costs): New
971 (costs): Rename to total_costs.
972 (COSTS_OF_ALLOCNO): New macro.
973 (curr_regno_allocno_map): Remove. Use ira_curr_regno_allocno_map
975 (record_reg_classes): Check NO_REGS in allocno_pref.
976 (record_address_regs): Use COSTS_OF_ALLOCNO.
977 (scan_one_insn): Ditto.
978 (print_costs): Ditto.
979 (find_allocno_class_costs): Ditto. Pass additional argument to
980 traverse_loop_tree. Set up NO_REGS if memory is cheaper.
981 (setup_allocno_cover_class_and_costs): Use
982 ALLOCNO_UPDATED_MEMORY_COST instead of
983 ALLOCNO_ORIGINAL_MEMORY_COST, ALLOCNO_UPDATED_HARD_REG_COSTS
984 instead of ALLOCNO_CURR_HARD_REG_COSTS, and
985 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS instead of
986 ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS. Pass additional argument to
988 (init_ira_costs_once): Allocate init_cost, op_costs,
989 this_op_costs, temp_costs.
990 (finish_ira_costs_once): New function.
992 * ira-color.c: Use ALLOCNO_UPDATED_MEMORY_COST instead of
993 ALLOCNO_ORIGINAL_MEMORY_COST, ALLOCNO_UPDATED_HARD_REG_COSTS
994 instead of ALLOCNO_CURR_HARD_REG_COSTS, and
995 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS instead of
996 ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS. Use
997 ALLOCNO_TOTAL_CONFLICT_HARD_REGS instead of
998 ALLOCNO_CONFLICT_HARD_REGS.
999 (processed_allocno_bitmap): Rename into
1000 processed_coalesced_allocno_bitmap.
1001 (allocno_cost_compare_func): Use ALLOCNO_UPDATED_MEMORY_COST
1002 instead of ALLOCNO_MEMORY_COST.
1003 (assign_hard_reg): Remove biased coloring.
1004 (add_allocno_to_ordered_bucket): Check cover class first.
1005 (loop_edge_freq): Make it external.
1006 (setup_allocno_left_conflicts_num): Check that conflicting
1007 allocnos of one class.
1008 (allocno_conflict_p): Rename to coalesced_allocno_conflict_p.
1009 (color_pass): Check pressure in the loop (not in subloops) for
1011 (allocno_priorities): New variable.
1012 (start_allocno_priorities, finish_allocno_priorities): New
1014 (allocno_priority_compare_func): Use allocno_priorities.
1015 (priority_coloring): Call start_allocno_priorities and
1016 finish_allocno_priorities.
1017 (do_coloring): Pass additional argument to traverse_loop_tree.
1019 * ira-emit.c (struct move): Add member insn.
1020 (create_move): Initialize member insn.
1021 (generate_edge_moves): Set up ALLOCNO_MEM_OPTIMIZED_DEST and
1022 ALLOCNO_MEM_OPTIMIZED_DEST_P.
1023 (change_loop): Check prohibited_mode_move_regs.
1024 (curr_jump_map, can_move_through_p): Remove.
1025 (unify_moves): Don't move through jump.
1026 (modify_move_list): Set up attributes for new allocno used for
1027 breaking dependency loops.
1028 (emit_move_list): Set up insn codes.
1029 (update_costs, add_range_and_copies_from_move_list,
1030 add_ranges_and_copies): New functions.
1031 (ira_emit): Add a parameter. Call add_ranges_and_copies.
1033 2007-10-09 Vladimir Makarov <vmakarov@redhat.com>
1035 * toplev.h (flag_ira_coalesce): New external variable.
1037 * ira-int.h (allocno): New members first_coalesced_allocno,
1038 next_coalesced_allocno.
1039 (ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO):
1041 (reg_class_subintersect): New external variable.
1043 * ira-color.c (processed_allocno_bitmap): New variable.
1044 (allocno_cost_compare_func, print_coalesced_allocno): New
1046 (assign_hard_reg): Process coalesced allocnos.
1047 (get_coalesced_allocnos_best_class_and_freq): New function.
1048 (add_allocno_to_ordered_bucket): Use the function.
1049 (push_allocno_to_stack, push_allocnos_to_stack): Process coalesced
1051 (remove_allocno_from_bucket_and_push, pop_allocnos_from_stack):
1052 Use print_coalesced_allocno.
1053 (setup_allocno_available_regs_num,
1054 setup_allocno_left_conflicts_num): Process coalesced allocnos.
1055 (copy_freq_compare_func, allocno_conflict_p, coalesce_allocnos):
1057 (color_allocnos): Allocate/free processed_allocno_bitmap. Call
1059 (priority_coloring): Allocate/free processed_allocno_bitmap.
1061 * ira-build.c (check_coalesced_allocnos): New function.
1062 (create_allocno): Initiate next_coalesced_allocno,
1063 first_coalesced_allocno.
1064 (create_cap_allocno): Check next_coalesced_allocno,
1065 first_coalesced_allocno.
1067 * common.opt (fira-coalesce): New option.
1069 * ira.c (setup_reg_class_intersect): New function.
1070 (reg_class_subintersect): New global variable.
1071 (init_ira_once): Call setup_reg_class_intersect.
1073 * doc/invoke.texi (-fira-coalescing): New option.
1075 2007-09-20 Vladimir Makarov <vmakarov@redhat.com>
1077 * ira-build.c (create_allocno): Initialize ALLOCNO_BEST_CLASS.
1079 * ira-color.c (add_allocno_to_ordered_bucket): Use
1082 * ira-costs.c (setup_allocno_cover_class_and_costs): Initialize
1085 * ira-int.h (allocno): New member best_class.
1086 (ALLOCNO_BEST_CLASS): New macro.
1088 2007-09-19 Vladimir Makarov <vmakarov@redhat.com>
1090 * ira-int.h (allocno): Remove calls_crosed. Add
1091 calls_crossed_start.
1092 (ALLOCNO_CALLS_CROSSED): Remove.
1093 (ALLOCNO_CALLS_CROSSED_START): Add.
1095 (regno_calls, add_regno_call): New.
1097 * ira-build.c (initiate_calls, finish_calls, add_regno_call): New
1099 (regno_calls, regno_calls_num): New globals.
1101 (add_loop_to_tree): Use loop_outer.
1102 (form_loop_tree): Ditto.
1103 (initiate_allocnos, create_cap_allocno): Remove
1104 ALLOCNO_CALLS_CROSSED. Add ALLOCNO_CALLS_CROSSED_START.
1105 (finish_allocnos): Remove ALLOCNO_CALLS_CROSSED.
1106 (create_bb_allocnos, create_loop_allocnos): Use DF_LR_{IN,OUT}
1107 instead of DF_UPWARD_LIVE_{IN,OUT}.
1108 (ira_build): Remove adding df problems and call of
1109 free_dominance_info. Call initiate_calls.
1110 (ira_destroy): Add free_dominance_info and finish_calls. Remove
1113 * ira-emit.c (change_regs): Return the result.
1114 (generate_edge_moves): Use DF_LR_{IN,OUT} instead of
1115 DF_UPWARD_LIVE_{IN,OUT}.
1116 (change_loop): Call df_insn_rescan and df_note_rescan if there is
1118 (can_move_through_p): Use hard_reg_set_equal_p instead of
1119 GO_IF_HARD_REG_EQUAL.
1121 * ira-costs.c (copy_cost, record_reg_classes,
1122 record_address_regs): Call init_move_cost if it is necessary.
1123 (tune_allocno_costs_and_cover_classes): Use regno_calls and
1124 ALLOCNO_CALLS_CROSSED_START instead of ALLOCNO_CALLS_CROSSED.
1126 * ira-conflicts.c (n_regs_set): Remove.
1127 (regs_set): Make it a vector.
1128 (mark_reg_store, mark_reg_clobber): Change 2nd parameter type.
1129 (process_bb_node_for_conflicts): Use DF_LR_IN instead of
1130 DF_UPWARD_LIVE_IN. Call add_regno_call. Initialize
1131 ALLOCNO_CALLS_CROSSED_START. Remove ALLOCNO_CALLS_CROSSED.
1132 (build_conflict_bit_table): Initialize and finalize regs_set.
1133 (propagate_allocno_info): Remove ALLOCNO_CALLS_CROSSED.
1134 Initialzie ALLOCNO_CALLS_CROSSED_START.
1136 * ira-color.c (setup_allocno_available_regs_num,
1137 setup_allocno_left_conflicts_num): New functions.
1138 (update_allocno_avaialable_regs): Remove.
1139 (sorted_allocnos, allocno_stack_varray): Move upper.
1140 (assign_hard_reg): Use hard_reg_set_subset_p instead of
1141 GO_IF_HARD_REG_SUBSET.
1142 (loop_edge_freq): Use DF_LR_{IN,OUT} instead of
1143 DF_UPWARD_LIVE_{IN,OUT}.
1144 (put_allocno_into_bucket): Call setup_allocno_available_regs_num
1145 and setup_allocno_left_conflicts_num.
1146 (print_loop_title): Use loop_depth.
1147 (allocno_priority_compare_func): Remove REG_N_REFS and
1149 (retry_ira_color): Use SET_REGNO. Use ALLOCNO_CALLS_CROSSED_NUM
1150 instead of ALLOCNO_CALLS_CROSSED.
1151 (collect_pseudo_call_clobbered_regs): Use regno_calls and
1152 ALLOCNO_CALLS_CROSSED_START instead of ALLOCNO_CALLS_CROSSED.
1154 * ira-call.c (init_ira_call_data): Add argument to
1156 (n_regs_set): Remove.
1157 (regs_set): Make it a vector.
1158 (mark_reg_store, mark_reg_clobber): Change 2nd parameter type.
1159 (mark_referenced_regs): Check null x.
1160 (put_save_restore_and_calculate_local_info): Initialize and
1161 finalize regs_set. Use DF_LR_{IN,OUT} instead of
1162 DF_UPWARD_LIVE_{IN,OUT}. Use loop_outer.
1163 (do_init_nothing): Remove.
1164 (save_trans_fun, save_con_fun_0, restore_trans_fun,
1165 restore_con_fun_0): Remove 1st parameter.
1166 (save_con_fun_n, restore_con_fun_n): Ditto. Use
1167 df_simple_dataflow instead of df_analyze_problem.
1168 (put_save_restore): Use DF_LR_IN instead of DF_UPWARD_LIVE_IN.
1169 Call mark_all_referenced_regs for all insn. Use bitmap progress.
1170 (get_move_insn): New function.
1171 (put_save_restore_and_calculate_local_info, put_save_restore): Use
1174 * ira.c (insn_contains_asm_1, insn_contains_asm,
1175 compute_regs_asm_clobbered, expand_reg_info): New functions.
1176 (setup_class_subset_and_move_costs): Use hard_reg_set_subset_p
1177 instead of GO_IF_HARD_REG_SUBSET.
1178 (setup_reg_subclasses, setup_class_translate): Ditto. Use
1179 hard_reg_set_equal_p instead of GO_IF_HARD_REG_EQUAL.
1180 (setup_eliminable_regset): Call compute_regs_asm_clobbered. Use
1181 df_set_regs_ever_live instead of regs_ever_live.
1182 (setup_reg_renumber): Check reg_equiv_const and
1183 reg_equiv_invariant_p.
1184 (ira): Remove no_new_pseudos. Add df-problems and analyze. Call
1185 regstat_init_n_sets_and_refs and regstat_compute_ri. Remove
1186 delete_unreachable_blocks. Use expand_reg_info. Move
1187 setup_preferred_alternate_classes upper. Remove life_analysis.
1188 Prepare df-insfrastructure for reload.
1190 * regclass.c (setup_reg_classes): Don't use reg_pref_buffer.
1192 * function.[ch] (get_call_invalidated_used_regs): Change 1st
1195 * gengtype.c (main): Add HARD_REG_SET.
1197 * alias.c (value_addr_p): New function.
1198 (nonoverlapping_memrefs_p): Use it.
1200 * caller-save.c (init_caller_save): Use DF_LR_TOP for IRA instead
1201 of global_live_at_start.
1203 2007-05-04 Vladimir Makarov <vmakarov@redhat.com>
1205 * ira-conflicts.c: Change pseudo to allocno.
1206 * ira-color.c: Ditto.
1207 * ira-emit.c: Ditto.
1208 * ira-build.c: Ditto.
1210 (important_classes_num, important_classes): New variables.
1211 (setup_cover_classes): Set up the variable values.
1212 * ira-costs.c: Ditto.
1213 (record_reg_classes, record_address_regs, scan_one_insn,
1214 find_pseudo_class_costs): Process only important classes.
1215 * ira-call.c: Ditto. Add comments about placement optimization.
1217 (allocno) Use one bit field for boolean members.
1218 (important_classes_num, important_classes): New external
1221 2007-03-16 Vladimir Makarov <vmakarov@redhat.com>
1223 * flags.h (ira_algorithm): Add IRA_ALGORITHM_MIXED.
1225 * opts.c (common_handle_option): Set up IRA_ALGORITHM_MIXED from
1226 the option argument.
1228 * common.opt (fira-assign-after-call-split, fira-propagate-cost,
1229 fira-split-around-calls): New options.
1230 (fira-ipra): Switch off by default.
1232 * doc/invoke.texi (-fira-algorithm): Add mixed algorithm.
1233 (-fno-ira-ipra): Rename to -fira-ipra.
1234 (-fno-ira-assign-after-call-split, -fira-propagate-cost,
1235 -fno-ira-split-around-calls): Add new options.
1237 * ira-conflicts.c (curr_reg_pressure): New variable.
1238 (set_pseudo_live, clear_pseudo_live, mark_reg_store,
1239 mark_reg_death): Update reg pressure.
1240 (add_pseudo_copies): Decrease cost for copy with dead pseudo.
1241 (process_bb_node_for_conflicts): Propagate reg pressure.
1242 (build_conflict_bit_table): Call process_bb_node_for_conflicts in
1244 (ira_build_conflicts): Add new coloring algorithm.
1245 (ira_build_conflicts): Add flag_ira_split_around_calls.
1247 * ira-emit.c (change_loop): Print allocation on the region
1248 borders. Use pseudo_cap_member instead of regno.
1249 (modify_move_list): Add parameter to create pseudo.
1250 (ira_emit): Use pseudo_cap_member instead of regno.
1252 * ira-build.c (create_loop_tree_nodes): Set up initial reg
1254 (create_pseudo): Add parameter. Use the parameter value instead
1256 (print_expanded_pseudo): Use pseudo_cap_member instead of regno.
1257 (create_cap_pseudo, create_insn_pseudos, create_bb_pseudos,
1258 create_loop_pseudos): Add argument to create_pseudo call.
1259 (create_pseudos, ira_build): Process IRA_ALGORITHM_MIXED.
1260 (create_loop_tree_node_caps): Create cap pseudo for all pseudos
1261 not having father pseudo.
1263 * final.c (rest_of_handle_final): Process INCOMING_REGNO.
1265 * toplev.h (flag_ira_assign_after_call_split,
1266 flag_ira_propagate_cost, flag_ira_split_around_calls): New flags.
1268 * caller-save.c (save_call_clobbered_regs): Move declaration
1269 this_insn_sets to the function start.
1271 * ira-int.h (ira_loop_tree_node): Add reg_pressure.
1272 (pseudo): More comments for regno and cap_member
1273 (original_regno_call_crossed_p, ira_max_regno_before,
1274 ira_max_regno_call_before): New external variables.
1275 (create_pseudo): Add parameter.
1276 (reassign_conflict_pseudos, debug_ira_call_data,
1277 split_around_calls, get_around_calls_regno): New function
1280 * ira-color.c (assign_hard_reg): Set best_hard_regno and
1281 conflict_regs earlier. Check register availability earlier.
1282 Ignore conflict and copy cost for PSEUDO_MAY_BE_SPILLED_P.
1283 (calculate_pseudo_spill_cost): Use pseudo_cap instead of regno.
1284 Check father pseudo instead of subloop pseudos.
1285 (pop_pseudos_from_stack): Set up PSEUDO_ASSIGNED_P for NO_REGS
1287 (print_loop_title): Print reg pressure.
1288 (color_pass): Use PSEUDO_CAP_MEMBER instead of regno. Add mixed
1290 (move_spill_restore): Use PSEUDO_CAP_MEMBER instead of regno. Use
1291 subloop pseudos instead of father pseudo for cost calculation.
1292 (setup_curr_costs, reassign_conflict_pseudos): New functions.
1293 (retry_ira_color): Don't allocate call used registers when
1294 flag_caller_saves or flag_ira_split_around_calls. Call
1295 setup_curr_cost. Print about spilling pseudo split around calls.
1296 (reuse_stack_slot): Choose the slot with minimal memory-memory
1299 * ira.c (setup_reg_renumber): Add 2 parameters. Use cap_number
1300 instead of regno. Initialize caller_save_needed. Make assertion
1302 (setup_pseudo_assignment_from_reg_renumber): New function.
1303 (calculate_allocation_cost): Add assertion.
1304 (print_redundant_copies): Use cap_number instead of regno.
1305 (original_regno_call_crossed_p, ira_max_regno_before,
1306 ira_max_regno_call_before): New global variables.
1307 (ira): Process IRA_ALGORITHM_MIXED. Set up
1308 ira_max_regno_call_before and ira_max_regno_before. New arguments
1309 for setup_reg_renumber. Reassign if pseudo changed its class.
1310 Split pseudos around the call if necessary. Reassign if a pseudo
1313 * ira.h: New year for Copyright.
1315 * ira-costs.c (reg_pref): Rename to pseudo_pref.
1316 (reg_pref_buffer): rename to pseudo_pref_buffer.
1317 (find_pseudo_class_costs): Initialize best_cost and best_class.
1318 Process IRA_ALGORITHM_MIXED. Find best cover class for regno.
1319 (process_bb_node_for_hard_reg_moves): Process IRA_ALGORITHM_MIXED.
1321 * Makefile.in (ira-call.o): Add new file.
1323 * reload1.c (calculate_needs_all_insns): Remove unnecessary
1326 * ira-call.c: New file.
1328 2007-02-09 Vladimir Makarov <vmakarov@redhat.com>
1330 * common.opt (fipra): Rename to fira-ipra. Make it default.
1331 (fira-move-spills, fira-share-save-slots, fira-share-spill-slots):
1333 * toplev.h (flag_ipra): Rename to flag_ira_ipra.
1334 (flag_ira_move_spills, flag_ira_share_save_slots,
1335 flag_ira_share_spill_slots): New external definitions.
1336 * doc/invoke.texi (-fipra): Rename to -fno-ira-ipra.
1337 (-fno-ira-move-spills, -fno-ira-share-save-slots,
1338 -fno-ira-share-spill-slots): New options.
1339 * function.c (get_call_invalidated_used_regs): Rename flag_ipra to
1341 * ira-costs.c (tune_pseudo_costs_and_cover_classes): Ditto.
1342 * caller-save.c (setup_save_areas): Use flag_ira_share_save_slots.
1343 Rename flag_ipra to flag_ira_ipra.
1344 (flag_ira_share_save_slots): Use flag_ira_move_spills.
1345 * ira-color.c (assign_hard_reg): Skip pseudos with different cover
1347 (reuse_stack_slot): Use flag_ira_share_spill_slots.
1348 * config/arm/arm.h (IRA_COVER_CLASSES): New macro.
1350 2007-02-31 Vladimir Makarov <vmakarov@redhat.com>
1352 * reload.h (debug_save_data): New definition.
1354 * caller-save.c (struct bb_info): New.
1355 (BB_INFO, BB_INFO_BY_INDEX): New macros.
1356 (calculate_local_save_info, set_up_bb_rts_numbers, rpost_cmp,
1357 calculate_save_in_out, calculate_save_here,
1358 make_global_save_analysis, print_hard_reg_set_and_mode,
1359 print_hard_reg_set, print_save_data, debug_save_data,
1360 set_hard_reg_saved): New functions.
1361 (save_call_clobbered_regs): Make global save analysis and use it
1362 to put save/restore code.
1363 (insert_one_insn): Check CODE_LABEL.
1365 2007-01-19 Vladimir Makarov <vmakarov@redhat.com>
1367 * toplev.h (flag_ipra): New external definition.
1369 * common.opt (fipra): New option.
1371 * doc/invoke.texi (-fipra); Document the option.
1373 * cgraph.h (cgraph_node): New member function_used_regs.
1375 * cgraph.c (cgraph_create_node): Initialize function_used_regs.
1377 * final.c (update_regs_ever_live): New function.
1378 (rest_of_handle_final): Set up function_used_regs and
1381 * ira-build.c (ira_build): Clear function call_used_regs.
1383 * function.h: Add hard-reg-set.h header.
1384 (emit_status): New member call_used_regs.
1385 (get_call_invalidated_used_regs): New definition.
1387 * function.c (get_call, get_call_invalidated_used_regs): New
1390 * Makefile.in (FUNCTION_H): Add hard-reg-set.h.
1391 (caller-save.o): Add dependence on output.h and ira.h
1393 * regrename.c (copyprop_hardreg_forward_1): Use function
1394 get_call_invalidated_used_regs.
1396 * ira-conflicts.c (process_bb_node_for_conflicts): Ditto.
1398 * postreload-gcse.c (record_opr_changes,
1399 reg_set_between_after_reload_p, reg_used_between_after_reload_p):
1402 * postreload.c (reload_combine, reload_cse_move2add): Ditto.
1404 * rtlanal.c (reg_set_between_p): Ditto.
1406 * flow.c (propagate_one_insn): Ditto.
1408 * df-scan.c (df_insn_refs_record): Ditto.
1410 * gcse.c (compute_hash_table_work, compute_store_table): Ditto.
1412 * cselib.c (cselib_process_insn): Ditto.
1414 * loop-iv.c (simplify_using_assignment): Ditto.
1416 * sched-deps.c (sched_analyze): Ditto.
1418 * combine.c (record_dead_and_set_regs): Ditto.
1420 * resource.c (mark_set_resources, mark_set_resources): Ditto.
1422 * var-tracking.c (var-tracking.c): Ditto.
1424 * reload1.c (reload): Ditto.
1426 * cse.c (invalidate_for_call): Ditto. Add parameter.
1427 (cse_insn): Pass the parameter.
1429 * ira.h (try_to_migrate): Remove the definition.
1430 (collect_pseudo_call_clobbered_regs): New external definition.
1432 * ira-color.c (collect_pseudo_call_clobbered_regs): New function.
1434 * ira-costs.c (tune_pseudo_costs_and_cover_classes): Add cost
1435 calculation when IPRA is used.
1437 * caller-save.c: Include headers output.h and ira.h.
1438 (saved_hard_reg): New structure.
1439 (hard_reg_map, hard_reg_map, all_saved_regs): New variables.
1440 (all_saved_regs, new_saved_hard_reg, finish_saved_hard_regs,
1441 saved_hard_reg_compare_func): New functions.
1442 (setup_save_areas): Add code for sharing stack slots.
1443 (save_call_clobbered_regs): Use function
1444 get_call_invalidated_used_regs.
1446 2007-01-12 Vladimir Makarov <vmakarov@redhat.com>
1448 * doc/tm.texi (IRA_HARD_REGNO_ADD_COST_MULTIPLIER): New macro.
1450 * ira-conflicts.c (add_pseudo_copies): Add copy between output and
1451 died operand pseudos.
1453 * ira.c (setup_cover_classes, setup_class_translate): Define and
1454 call only when IRA_COVER_CLASSES is defined.
1455 (no_alloc_regs): Rename to no_unit_alloc_regs.
1456 (setup_eliminable_regset): Set up no_alloc_regs.
1458 * ira-costs.c (tune_pseudo_costs_and_cover_classes): Modify cost
1459 if IRA_HARD_REGNO_ADD_COST_MULTIPLIER is defined.
1461 * config/s390/s390.h (IRA_COVER_CLASSES,
1462 IRA_HARD_REGNO_ADD_COST_MULTIPLIER(regno)): Define.
1464 2006-12-22 Vladimir Makarov <vmakarov@redhat.com>
1466 * rtl.h (setup_reg_classes): New function prototype.
1468 * regclass.c (setup_reg_classes): New function.
1470 * global.c (global_alloc): Dump information about register
1473 * ira-int.h (ira_build): Change prototype signature.
1475 * ira-color.c (pseudo_compare_func): Rename to
1476 pseudo_priority_compare_func.
1477 (priority_coloring): Dump information about register
1480 * ira-build.c (ira_build): Return true if we have loops for the
1483 * ira.c (setup_preferred_alternate_classes): New function.
1484 (ira): Use it instead of regclass. Rebuild only if we have loops.
1486 2006-12-15 Vladimir Makarov <vmakarov@redhat.com>
1488 * ira.h, ira-int.h, ira.c, ira-build.c, ira-costs.c
1489 ira-conflicts.c, ira-color.c, ira-emit.c: New files.
1491 * flags.h (ira_algorithm): New enumeration.
1492 (flag_ira_algorithm): New external variable declaration.
1494 * tree-pass.h (pass_ira): New external variable declaration.
1496 * toplev.c (ira.h): New include.
1497 (flag_ira_algorithm): New global variable.
1498 (backend_init): Call init_ira_once.
1500 * toplev.h (flag_ira, flag_ira_biased_coloring): New external
1501 variable declarations.
1503 * regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
1504 may_move_out_cost): New external variable declarations.
1506 * caller-save.c (no_caller_save_reg_set): New global variable.
1507 (init_caller_save): Set up no_caller_save_reg_set.
1509 * global.c (eliminable_regset): Make it external.
1510 (gate_handle_global_alloc): New function.
1511 (pass_global_alloc): Add the gate function.
1513 * opts.c (decode_options): Print the warning for -fira.
1514 (common_handle_option): Process -fira-algorithm option.
1516 * timevar.def (TV_IRA): New pass.
1518 * hard-reg-set.h (no_caller_save_reg_set): New external variable
1521 * regmove.c (regmove_optimize): Don't do replacement of output
1522 operands by input operands.
1523 (rest_of_handle_regmove): Don't do CFG cleanup for IRA.
1525 * local-alloc.c (update_equiv_regs): Make it external. Return
1526 true if jump label rebuilding should be done.
1527 (gate_handle_local_alloc): New function.
1528 (pass_local_alloc): Add the gate function.
1530 * alias.c (stack_addr_p): New function.
1531 (nonoverlapping_memrefs_p): Add code for IRA.
1533 * common.opt (fira, fira-algorithm, fira-biased-coloring): New
1536 * regclass.c (contains_reg_of_mode, move_cost, may_move_in_cost,
1537 may_move_out_cost): Make the variables external.
1539 * rtl.h (eliminable_regset): New external variable declaration.
1540 (update_equiv_regs): New external function definition.
1542 * Makefile.in (IRA_INT_H): New definition.
1543 (OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
1544 ira-conflicts.o, ira-color.o, and ira-emit.o.
1545 (reload1.o, toplev.o): Add dependence on ira.h.
1546 (ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
1547 ira-emit.o): New entries.
1549 * passes.c (pass_ira): New pass.
1551 * reload1.c (alter_reg): Add a new parameter.
1552 (pseudo_reg_compare): New function.
1553 (reload): Sort pseudos for IRA. Call alter_reg with the
1554 additional parameter.
1555 (count_spilled_pseudo): New variable freq. Use it.
1556 (alter_reg): Add code for IRA.
1557 (eliminate_regs_1, finish_spills, emit_input_reload_insns,
1558 delete_output_reload): Use additional parameter for alter_reg.
1559 (finish_spills, emit_input_reload_insns, delete_output_reload):
1560 Call mark_allocation_change.
1561 (finish_spills): Call retry_ira_color.
1563 * doc/invoke.texi: Describe new options -fira,
1564 -fira-biased-coloring, and -fira-algorithm.
1566 * doc/passes.texi: Decribe IRA.
1568 * doc/tm.texi: Decribe macro IRA_COVER_CLASSES.
1570 * config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
1572 * config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
1574 * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
1576 * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
1578 Richard Henderson <rth@redhat.com>
1580 * tree-pass.h (pass_lower_subreg): New external definition.
1581 * toplev.h (flag_lower_subreg): New external definition.
1582 * rtl.def (CONCATN): New rtl expression.
1583 * dwarf2out.c (concatn_loc_descriptor): New function.
1584 (loc_descriptor): Process CONCATN.
1585 * timevar.def (TV_LOWER_SUBREG): New definition.
1586 * emit-rtl.c (gen_reg_rtx_offset): New function.
1587 (gen_lowpart_common): Process CONCATN.
1588 * simplify-rtx.c (simplify_subreg): Process CONCATN.
1589 * common.opt (flower-subreg): New options.
1590 * rtl.h (gen_reg_rtx_offset): New external definition.
1591 * Makefile.in (OBJS-common): Add lower-subreg.o.
1592 (lower-subreg.o): New entry.
1593 * passes.c (pass_lower_subreg): Add new pass.
1594 * lower-subreg.c: New file.
1596 2008-03-28 Rafael Espindola <espindola@google.com>
1598 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
1599 (tree_binary_nonnegative_warnv_p): Make it public.
1600 (tree_single_nonnegative_warnv_p): Make it public.
1601 (tree_invalid_nonnegative_warnv_p): Make it public.
1602 (tree_unary_nonzero_warnv_p): Make it public.
1603 (tree_binary_nonzero_warnv_p): Make it public
1604 (tree_single_nonzero_warnv_p): Make it public.
1605 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
1606 (extract_range_from_binary_expr): Split the expr argument.
1607 (extract_range_from_unary_expr): Split the expr argument.
1608 (extract_range_from_comparison): Split the expr argument.
1609 (extract_range_from_expr): Use the new aux functions.
1610 (vrp_evaluate_conditional_warnv): Use
1611 vrp_evaluate_conditional_warnv_with_ops.
1612 * tree.h (tree_unary_nonzero_warnv_p): Declare.
1613 (tree_binary_nonzero_warnv_p): Declare.
1614 (tree_single_nonzero_warnv_p): Declare.
1615 (tree_expr_nonzero_warnv_p): Declare.
1616 (tree_unary_nonnegative_warnv_p): Declare.
1617 (tree_binary_nonnegative_warnv_p): Declare.
1618 (tree_single_nonnegative_warnv_p): Declare.
1619 (tree_invalid_nonnegative_warnv_p): Declare.
1621 2008-03-28 Richard Guenther <rguenther@suse.de>
1623 PR tree-optimization/30317
1624 PR tree-optimization/30911
1625 PR tree-optimization/34793
1626 * tree-vrp.c (set_and_canonicalize_value_range): New function.
1627 (struct assert_locus_d): New member EXPR.
1628 (register_new_assert_for): Add EXPR parameter to support
1629 ASSERT_EXPR <name, expr OP limit>.
1630 (register_edge_assert_for_1): Adjust callers.
1631 (find_assert_locations): Likewise.
1632 (process_assert_insertions_for): Build condition from
1634 (extract_range_from_assert): Handle ASSERT_EXPRs
1635 of the form ASSERT_EXPR <name, expr OP limit>.
1636 (register_edge_assert_for_2): New helper registering
1637 asserts for comparisons. Recognize range tests of the form
1638 (unsigned)i - CST1 OP CST2.
1639 (register_edge_assert_for_1): Use it.
1640 (register_edge_assert_for): Likewise.
1641 (needs_overflow_infinity): Integer sub-types
1642 do not need overflow infinities.
1643 (vrp_val_is_max): The extreme values of integer sub-types
1644 are those of the base type.
1645 (vrp_val_is_min): Likewise.
1646 * tree.def (ASSERT_EXPR): Document extra allowed conditional
1649 2008-03-28 Nick Clifton <nickc@redhat.com>
1651 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
1652 Return GENERAL_REGS for stack adjustment reloads.
1654 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1657 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
1658 const_vector when all the vectors are constant.
1660 2008-03-27 Bob Wilson <bob.wilson@acm.org>
1662 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
1664 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
1665 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
1667 (s<code>_sf): Use new scc_sf attribute for opcode names.
1669 2008-03-27 Tom Tromey <tromey@redhat.com>
1671 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
1672 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
1673 config/spu/t-spu-elf, config/i386/t-interix,
1674 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
1675 config/i386/x-darwin, config/i386/x-mingw32,
1676 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
1677 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
1678 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
1679 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
1680 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
1681 config/rs6000/x-darwin, config/rs6000/t-rs6000,
1682 config/score/t-score-elf, config/arm/t-strongarm-pe,
1683 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
1684 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
1685 Revert automatic dependency patch.
1687 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
1690 * config/i386/i386.c (ix86_function_arg_boundary): Align
1691 decimal floating point to its natural boundary.
1693 2008-03-27 Richard Guenther <rguenther@suse.de>
1696 * fold-const.c (fold_comparison): Restrict distinct decl
1697 comparison folding to VAR_DECLs and PARM_DECLs. Do not
1698 solely rely on operand_equal_p.
1700 2008-03-27 Richard Guenther <rguenther@suse.de>
1703 * c-common.c (handle_weak_attribute): Reject combination of
1706 2008-03-27 Richard Guenther <rguenther@suse.de>
1708 PR tree-optimization/32810
1709 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
1710 conversions from DECL_INITIAL.
1711 (fold_const_aggregate_ref): Likewise from constructor elements.
1713 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
1715 * tree-affine.h (aff_combination_expand): Declare.
1716 (get_inner_reference_aff): Likewise.
1717 * tree-affine.c (aff_combination_expand): Split out from
1718 tree_to_aff_combination_expand.
1719 (get_inner_reference_aff): New function.
1720 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
1721 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
1722 (struct lim_aux_data): sm_done field removed.
1723 (mem_ref_loc_p, mem_ref_locs_p): New types.
1724 (struct mem_ref): Added id, stored, accesses_in_loop,
1725 indep_loop, dep_loop, indep_ref, dep_ref fields.
1726 Removed is_stored, locs and next fields.
1727 (memory_accesses): New variable.
1728 (movement_possibility): Do not allow moving statements
1729 that store to memory.
1730 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
1732 (determine_max_movement): For statements with memory references,
1733 find the outermost loop in that the reference is independent.
1734 (move_computations_stmt): Mark the virtual operands for
1736 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
1737 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
1738 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
1739 add_vop_ref_mapping, create_vop_ref_mapping_loop,
1740 create_vop_ref_mapping, analyze_memory_references,
1741 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
1742 get_all_locs_in_loop, ref_always_accessed_p,
1743 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
1744 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
1745 store_motion_loop, store_motion): New functions.
1746 (struct vop_to_refs_elt): New type.
1747 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
1748 memref_hash, memref_eq, hoist_memory_references): Rewritten.
1749 (schedule_sm): Replaced by...
1750 (execute_sm): ... this.
1751 (determine_lsm_ref, hoist_memory_references,
1752 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
1753 find_more_ref_vops, free_mem_ref, free_mem_refs,
1754 determine_lsm_loop, determine_lsm): Removed.
1755 (tree_ssa_lim_finalize): Free data structures used by store
1757 (tree_ssa_lim): Call analyze_memory_references. Use
1758 store_motion instead of determine_lsm.
1760 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
1762 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
1763 rename tmake_file to m68hc11/t-m68hc11.
1764 (mcore): Set inhibit_libc to true.
1765 * config.host (alpha*-dec-*vms*): Set extra_programs.
1766 (interix3*): Don't use host_xmake_file.
1767 * configure.ac: Let config.gcc override inhibit_libc.
1768 * configure: Regenerate.
1770 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
1771 * config/t-openbsd-thread: Remove commented out lines.
1773 * config/x-interix: Remove.
1775 * config/m68hc11/t-m68hc11-gas: Rename to...
1776 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
1778 * config/mcore/t-mcore: Remove T_CFLAGS.
1779 * config/mcore/t-mcore-pe: Likewise.
1781 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
1783 * configure.ac: Replace custom __GNU_SOURCE test with
1784 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
1785 * aclocal.m4: Regenerate.
1786 * configure: Regenerate.
1787 * config.in: Regenerate.
1789 2008-03-27 Richard Guenther <rguenther@suse.de>
1791 * fold-const.c (target.h): Include.
1792 (fold_comparison): Fold comparison of addresses of decls
1793 that bind locally or of constants. Consolidate address folding code.
1794 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
1795 results from fold_binary_to_constant.
1796 (compare_values_warnv): Likewise.
1798 2008-03-27 Andrew Pinski <pinskia@gmail.com>
1801 * fold-const.c (fold_truthop): Check for integeral types when folding
1802 a == 0 && b == 0 and a != 0 || b != 0 .
1804 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
1806 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
1808 2008-03-26 Andreas Schwab <schwab@suse.de>
1810 * doc/invoke.texi: Fix use of @item vs. @itemx.
1812 2008-03-26 Tom Tromey <tromey@redhat.com>
1814 * Makefile.in (build/gensupport.o, build/print-rtl.o,
1815 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
1816 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
1817 build/gencodes.o, build/genconditions.o, build/genconfig.o,
1818 build/genconstants.o, build/genemit.o, build/genextract.o,
1819 build/genflags.o, build/genmddeps.o, build/genopinit.o,
1820 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
1823 2008-03-26 Richard Guenther <rguenther@suse.de>
1826 2008-03-26 Richard Guenther <rguenther@suse.de>
1828 * fold-const.c (target.h): Include.
1829 (fold_comparison): Fold comparison of addresses of two decls
1830 that bind locally. Consolidate address folding code.
1832 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1834 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
1835 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
1836 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
1837 dconstsqrt2, dconstthird, dconste and/or dconst10.
1838 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
1839 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
1840 dconstsqrt2, dconste): Delete.
1841 (init_emit_once): Likewise. Simplify initializing dconstm1.
1843 * real.c (get_real_const): New.
1844 * real.h (dconst3, dconst10, dconstm2, dconstthird,
1845 dconstsqrt2, dconste): Delete.
1846 (real_value_const, get_real_const): New.
1848 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
1850 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
1852 * config/i386/i386.c (ix86_function_arg_boundary): Check
1853 BIGGEST_ALIGNMENT instead of 128.
1854 (setup_incoming_varargs_64): Likewise.
1856 2008-03-26 Tom Tromey <tromey@redhat.com>
1858 * Makefile.in (DEPFILES): Add missing '/'.
1860 2008-03-26 Richard Guenther <rguenther@suse.de>
1862 * fold-const.c (target.h): Include.
1863 (fold_comparison): Fold comparison of addresses of two decls
1864 that bind locally. Consolidate address folding code.
1866 2008-03-26 Nick Clifton <nickc@redhat.com>
1869 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
1870 not allow INT+INT as a legitimate addressing mode.
1872 2008-03-26 Richard Guenther <rguenther@suse.de>
1874 * tree-flow.h (widen_bitfield): Remove declaration.
1875 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
1876 (widen_bitfield): Remove function.
1877 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
1880 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
1883 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
1886 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
1888 PR rtl-optimization/35232
1889 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
1890 (forget_old_reloads_1, forget_marked_reloads): Don't clear
1891 reg_reloaded_call_part_clobbered here.
1892 (reload_regs_reach_end_p): New function.
1893 (reload_reg_rtx_for_input): New variable.
1894 (reload_reg_rtx_for_output): Likewise.
1895 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
1896 when reassigning a pseudo register. Load reloadreg from
1897 reload_reg_rtx_for_input, moving the mode and register
1899 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
1900 instead of the original when deciding whether an input reload
1901 would be a no-op or whether an output reload can be deleted.
1902 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
1903 when setting up new_spill_reg_store. Load it from
1904 reload_reg_rtx_for_output, moving the mode and register
1906 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
1907 instead of the original when deciding whether an output reload
1908 would be a no-op. Do the same when modifying insn notes.
1909 Use rtx_equal_p instead of == to compare the registers.
1910 (inherit_piecemeal_p): Take a mode and two register numbers
1912 (emit_reload_insns): Clear new_spill_reg_store for every hard
1913 register in the reload register. Remove spill registers
1914 from reg_reloaded_valid before considering whether to record
1915 inheritance information for them. Use reload_reg_rtx_for_output
1916 instead of reg_rtx when recording output reloads. Use
1917 reload_reg_rtx_for_input instead of reg_rtx when recording
1918 input reloads. Set or clear reg_reloaded_call_part_clobbered
1919 at the same time as setting reg_reloaded_valid.
1920 (delete_output_reload): Add a new_reload_reg parameter and use it
1921 instead of rld[j].reg_rtx.
1922 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
1925 2008-03-25 Tom Tromey <tromey@redhat.com>
1927 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
1928 (build/genattr.o): Likewise.
1929 (build/genattrtab.o): Likewise.
1930 (build/gencodes.o): Likewise.
1931 (build/genconfig.o): Likewise.
1932 (build/genconstants.o): Likewise.
1933 (build/genemit.o): Likewise.
1934 (build/genextract.o): Likewise.
1935 (build/genflags.o): Likewise.
1937 2008-03-25 Bob Wilson <bob.wilson@acm.org>
1939 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
1940 instead of size_int for integer types.
1941 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
1942 to match type of MINUS_EXPR.
1944 2008-03-25 Tom Tromey <tromey@redhat.com>
1946 * configure: Rebuilt.
1947 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
1950 2008-03-25 Tom Tromey <tromey@redhat.com>
1952 * config/x-solaris (host-solaris.o): Update.
1953 * config/x-linux (host-linux.o): Update.
1954 * config/x-hpux (host-hpux.o): Update.
1955 * config/x-darwin (host-darwin.o): Update.
1956 * config/v850/t-v850e (v850-c.o): Update.
1957 * config/v850/t-v850 (v850-c.o): Update.
1958 * config/t-vxworks (vxworks.o): Update.
1959 * config/t-sol2 (sol2-c.o, sol2.o): Update.
1960 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
1961 * config/spu/t-spu-elf (spu-c.o): Update.
1963 * config/sh/t-symbian (sh-c.o): Update.
1964 (symbian.o): Update.
1965 * config/sh/t-sh (sh-c.o): Update.
1966 * config/score/t-score-elf (score7.o, score3.o): Update.
1967 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
1968 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
1969 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
1970 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
1972 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1973 * config/m32c/t-m32c (m32c-pragma.o): Update.
1974 * config/ia64/t-ia64 (ia64-c.o): Update.
1975 * config/i386/x-mingw32 (host-mingw32.o): Update.
1976 * config/i386/x-i386 (driver-i386.o): Update.
1977 * config/i386/x-darwin (host-i386-darwin.o): Update.
1978 * config/i386/x-cygwin (host-cygwin.o): Update.
1979 * config/i386/t-nwld (nwld.o): Update.
1980 * config/i386/t-netware (netware.o): Update.
1981 * config/i386/t-interix (winnt.o): Update.
1982 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
1983 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
1984 msformat-c.o): Update.
1985 * config/bfin/t-bfin-linux (generated_files): Add
1986 linux-sysroot-suffix.h.
1987 * config/arm/t-wince-pe (pe.o): Update.
1988 * config/arm/t-strongarm-pe (pe.o): Update.
1989 * config/arm/t-pe (pe.o): Update.
1990 * config/arm/t-arm (arm-c.o): Update.
1991 * doc/install.texi (Prerequisites): Require make 3.80.
1992 * Makefile.in: Remove .o targets.
1993 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
1994 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
1995 (simple_generated_h, simple_generated_c): Move earlier.
1996 (generated_files): New variable.
1997 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
1998 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
1999 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
2000 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
2001 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
2002 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
2003 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
2004 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
2005 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
2006 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
2007 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
2008 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
2010 (COMPILE.base, COMPILE): New variables.
2011 (%.o): New pattern rule.
2012 (ALL_HOST_OBJS): New variable.
2013 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
2014 (dummy-checksum.o, cc1-checksum.o): Remove.
2015 (DRIVER_SHLIB): New variable.
2016 (DRIVER_DEFINES): Use it.
2017 (gencondmd.c): Move out of build/.
2018 (s-conditions): Update.
2019 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
2020 (ALL_BUILD_OBJS): Likewise.
2021 (build/%.o): Use BUILDCOMPILE.
2022 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
2023 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
2024 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
2025 build/gencheck.o, build/gencodes.o, build/genconditions.o,
2026 build/genconfig.o, build/genconstants.o, build/genemit.o,
2027 build/genextract.o, build/genflags.o, build/genmddeps.o,
2028 build/genopinit.o, build/genoutput.o, build/genpeep.o,
2029 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
2030 build/gen-protos.o, build/scan.o, build/fix-header.o,
2031 build/scan-decls.o): Simplify.
2032 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
2033 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
2034 prefix.o, toplev.o): Reduce to variable setting.
2035 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
2036 ($(out_object_file), gcc-options.o): New targets.
2037 ($(ALL_HOST_OBJS)): New target. Include dependency files.
2038 * configure: Rebuilt.
2039 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
2040 * doc/sourcebuild.texi (Front End Directory): Document new variable.
2042 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
2044 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
2045 complain when we hit an error, return ERROR_MARK_NODE.
2047 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2049 * config/sh/constraints.md (Pso, Psz): New constraints.
2050 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
2051 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
2053 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2055 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
2056 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
2058 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2060 * config/sh/sh.md (prefetch): Add condition for SH2A target.
2061 (prefetch_sh2a): New.
2063 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
2064 Naveen.H.S <naveen.hs@kpitcummins.com>
2066 * config/sh/constraints.md (I28): New constraint.
2067 * config/sh/sh.c (broken_move): Add support for movi20s.
2068 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
2070 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
2071 Jayant Sonar <Jayant.sonar@kpitcummins.com>
2072 Naveen.H.S <naveen.hs@kpitcummins.com>
2074 * config/sh/sh.c (SH_ATTRIBUTES): Define.
2075 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
2076 (print_operand): Handle resbank in %@ operand code.
2077 (sh_encode_section_info): New.
2078 (push_regs): Add conditions for resbank.
2079 (sh_expand_epilogue): Likewise.
2080 (sh_insert_attributes): Likewise.
2081 (sh_attribute_table): Likewise.
2082 (sh_handle_resbank_handler_attribute): New.
2083 (sh2a_handle_function_vector_handler_attribute): New.
2084 (sh2a_is_function_vector_call): New.
2085 (sh2a_get_function_vector_number): New.
2086 (sh2a_function_vector_p): New.
2087 (sh_cfun_resbank_handler_p): New.
2088 * config/sh/sh.md (calli): Emit jsr/n if possible.
2089 (calli_tbr_rel): New.
2090 (calli_pcrel): Emit jsr/n if possible.
2091 (return_i): Emit rts/n if possible.
2092 (call_valuei_tbr_rel): New.
2093 (call_valuei_pcrel): Add condition for SH2A target.
2094 (call_value): Likewise.
2095 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
2096 (sh2a_get_function_vector_number): Likewise.
2097 (sh2a_is_function_vector_call): Likewise.
2098 * doc/extend.texi: Document TBR relative addressing of SH2A.
2099 (resbank): Add description for SH2A.
2101 2008-03-24 Richard Guenther <rguenther@suse.de>
2104 * gimplify.c (gimplify_modify_expr): For frontend type-correct
2105 pointer assignments change conversions according to middle-end rules.
2106 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
2107 * configure.ac: Include type checking in yes.
2108 * configure: Regenerate.
2110 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2112 * diagnostic.c (diagnostic_count_diagnostic): Delete.
2113 (diagnostic_report_diagnostic): Update. Handle ICEs here.
2115 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
2117 * gthr-vxworks.h (UNUSED): Define.
2119 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
2121 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and
2124 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
2126 * doc/extend.texi (Function Attributes): Add missing comma in the
2127 example of the "alloc_size" attribute.
2129 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
2132 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
2134 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2137 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
2140 * stor-layout.c (update_alignment_for_field): Set minimum alignment
2141 of the underlying type of a MS bitfield layout to the natural
2142 alignment of the type.
2144 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
2146 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
2147 to their natural alignment to avoid store forwarding stalls.
2149 2008-03-22 Richard Guenther <rguenther@suse.de>
2151 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
2152 For PHI nodes verify the address is invariant.
2153 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
2154 (get_symbol_constant_value): Use is_gimple_min_invariant.
2155 (maybe_fold_stmt_indirect): Likewise.
2157 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
2159 PR rtl-optimization/33927
2160 * Makefile.in (dse.o): Depend on $(TM_P_H).
2161 * expr.h (extract_low_bits): Declare.
2162 * expmed.c (extract_low_bits): New function.
2163 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
2164 * dse.c: Include tm_p.h.
2165 (find_shift_sequence): Remove the read_reg argument and return the
2166 read value. Emit the instructions instead of returning them.
2167 Iterate on new_mode rather than calculating it each time.
2168 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
2169 source to NEW_MODE and extract_low_bits to convert the shifted
2171 (replace_read): Allow the load and store to have different mode
2172 classes. Use extract_low_bits when SHIFT == 0. Create the shift
2173 or extraction instructions before trying the replacement. Update
2174 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
2176 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
2178 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
2179 to their natural alignment to avoid store forwarding stalls.
2181 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
2184 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
2185 encouraging but not allowing gprs for input;
2186 change the input constraint to !f#r.
2187 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
2189 change the output constraint to !f#r.
2191 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
2194 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
2195 corresponding post-reload splitters.
2196 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
2197 when x87 FP math is selected.
2198 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
2199 New function prototype.
2200 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
2201 unreachable function to ease macroization of insn patterns.
2203 2008-03-21 Martin Jambor <mjambor@suse.cz>
2205 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
2206 reference dumps if ddr is NULL or dependence is unknown.
2208 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2210 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
2211 unsigned extension into account.
2212 (ATOMIC_COMPARE_AND_SWAP): Likewise.
2213 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
2214 Do computations on a scratch register.
2216 2008-03-21 Richard Guenther <rguenther@suse.de>
2218 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
2219 Use is_gimple_min_invariant instead of TREE_INVARIANT.
2220 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
2221 * tree-ssa-dom.c (record_equality): Likewise.
2222 * tree-inline.c (copy_body_r): Likewise.
2223 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
2226 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2228 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
2229 as 'delete_unused' argument.
2231 2008-03-20 Richard Guenther <rguenther@suse.de>
2233 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2234 special casing of constant qualifiers.
2235 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
2236 care about them in general.
2237 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
2238 regardless of their type.
2239 (fold_stmt_r): Forcefully fold *& if we end up with that.
2241 2008-03-20 Paul Brook <paul@codesourcery.com>
2243 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
2244 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
2246 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
2248 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
2249 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
2251 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
2253 * common.opt (Wmudflap): New option.
2254 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
2255 (mx_register_decls): Likewise.
2256 (mudflap_finish_file): Likewise.
2257 * doc/invoke.texi: Document -Wno-mudflap.
2259 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
2261 * c-format.c (replace_format_name_to_system_name): New.
2263 (convert_format_name_to_system_name): New.
2264 (decode_format_attr): Add use of convert_format_name_to_system_name.
2265 (format_types_orig): Add gnu_ prefix to names.
2266 (check_format_info_main): Special treating of \0 escaped names for
2267 supporting multi-character format specifiers as I32, I64.
2268 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
2269 (gnu_target_overrides_format_attributes): New.
2270 * c-format.h: Add structure target_ovr_attr to hold
2271 system specific formatter names.
2272 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
2273 msformat-c.o file to c_target_objs and cxx_target_objs.
2274 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
2275 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
2276 (TARGET_N_FORMAT_TYPES): New.
2277 * config/i386/msformat-c.c: New.
2278 * config/i386/t-cygming: Add build rule for msformat-c.o.
2279 * doc/extend.texi: Add new format names gnu_* and ms_* and
2281 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
2283 2008-03-20 Ira Rosen <irar@il.ibm.com>
2285 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
2286 optimizations turned on under -O3.
2287 (ftree-vectorize): Add that the flag is turned on with -O3.
2289 2008-03-20 Ben Elliston <bje@au.ibm.com>
2291 * regmove.c (try_auto_increment): Fix spelling error in comment.
2292 * final.c (final_scan_insn): Likewise.
2294 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
2297 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
2298 allocator preferences for "y" and "r" class registers.
2299 ("*mov<mode>_internal"): Ditto.
2300 ("*movv2sf_internal_rex64"): Ditto.
2301 ("*movv2sf_internal"): Ditto.
2303 2008-03-19 Michael Matz <matz@suse.de>
2306 * calls.c (expand_call): Check overlap of arguments with call
2307 address for sibcalls.
2309 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
2312 * stor-layout.c (update_alignment_for_field): Set minimum alignment
2313 of the underlying type of a MS bitfield layout to the natural
2314 alignment of the type.
2316 2008-03-19 Jan Hubicka <jh@suse.cz>
2319 * toplev.c (decode_d_option): Handle all CPP flags.
2320 * tree-vrp.c: Update tree_pass descriptors.
2321 * regrename.c: Update tree_pass descriptors.
2322 * fwprop.c: Update tree_pass descriptors.
2323 * doc/invoke.texi: Remove documentation of dropped -d? flags.
2324 * tree-into-ssa.c: Update tree_pass descriptors.
2325 * tree-dump.c: Update tree_pass descriptors.
2326 * tree-complex.c: Update tree_pass descriptors.
2327 * tree-dump.h: Update tree_pass descriptors.
2328 * see.c: Update tree_pass descriptors.
2329 * cgraphbuild.c: Update tree_pass descriptors.
2330 * tracer.c: Update tree_pass descriptors.
2331 * tree-loop-distribution.c: Update tree_pass descriptors.
2332 * cgraph.c: Update tree_pass descriptors.
2333 * postreload-gcse.c: Update tree_pass descriptors.
2334 * postreload.c: Update tree_pass descriptors.
2335 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
2336 * tree-tailcall.c: Update tree_pass descriptors.
2337 * tree-pass.h (tree_opt_pass): Rename to ...
2338 (opt_pass) ... this one; add "type" field and remove letter field.
2339 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
2340 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
2341 all_lowering_passes): Update declaration.
2342 * ipa-cp.c: Update tree_pass descriptors.
2343 * final.c: Update tree_pass descriptors.
2344 * omp-low.c: Update tree_pass descriptors.
2345 * tree-ssa-dse.c: Update tree_pass descriptors.
2346 * ipa-reference.c: Update tree_pass descriptors.
2347 * tree-ssa-uncprop.c: Update tree_pass descriptors.
2348 * auto-inc-dec.c: Update tree_pass descriptors.
2349 * reorg.c: Update tree_pass descriptors.
2350 * cgraphunit.c: Update tree_pass descriptors.
2351 * tree-ssa-copyrename.c: Update tree_pass descriptors.
2352 * tree-ssa-ccp.c: Update tree_pass descriptors.
2353 * df-core.c: Update tree_pass descriptors.
2354 * mode-switching.c: Update tree_pass descriptors.
2355 * tree-nomudflap.c: Update tree_pass descriptors.
2356 * modulo-sched.c: Update tree_pass descriptors.
2357 * ipa-pure-const.c: Update tree_pass descriptors.
2358 * cse.c: Update tree_pass descriptors.
2359 * web.c: Update tree_pass descriptors.
2360 * tree-stdarg.c: Update tree_pass descriptors.
2361 * tree-ssa-math-opts.c: Update tree_pass descriptors.
2362 * tree-ssa-dom.c: Update tree_pass descriptors.
2363 * tree-nrv.c: Update tree_pass descriptors.
2364 * tree-ssa-alias.c: Update tree_pass descriptors.
2365 * loop-init.c: Update tree_pass descriptors.
2366 * gimple-low.c: Update tree_pass descriptors.
2367 * ipa-inline.c: Update tree_pass descriptors.
2368 * tree-ssa-sink.c: Update tree_pass descriptors.
2369 * global.c: Update tree_pass descriptors.
2370 * ifcvt.c: Update tree_pass descriptors.
2371 * jump.c: Update tree_pass descriptors.
2372 * predict.c: Update tree_pass descriptors.
2373 * tree-ssa-loop.c: Update tree_pass descriptors.
2374 * recog.c: Update tree_pass descriptors.
2375 * dse.c: Update tree_pass descriptors.
2376 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
2377 * tree-eh.c: Update tree_pass descriptors.
2378 * regmove.c: Update tree_pass descriptors.
2380 * function.c: Update tree_pass descriptors.
2381 * tree-vectorizer.c: Update tree_pass descriptors.
2382 * gcse.c: Update tree_pass descriptors.
2383 * ipa-type-escape.c: Update tree_pass descriptors.
2384 * tree-if-conv.c: Update tree_pass descriptors.
2385 * init-regs.c: Update tree_pass descriptors.
2386 * ipa.c: Update tree_pass descriptors.
2387 * tree-ssa-phiopt.c: Update tree_pass descriptors.
2388 * rtl-factoring.c: Update tree_pass descriptors.
2389 * lower-subreg.c: Update tree_pass descriptors.
2390 * bt-load.c: Update tree_pass descriptors.
2391 * tree-dfa.c: Update tree_pass descriptors.
2392 * except.c: Update tree_pass descriptors.
2393 * emit-rtl.c: Update tree_pass descriptors.
2394 * cfgexpand.c: Update tree_pass descriptors.
2395 * tree-cfgcleanup.c: Update tree_pass descriptors.
2396 * cfgcleanup.c: Update tree_pass descriptors.
2397 * tree-ssa-pre.c: Update tree_pass descriptors.
2398 * tree-sra.c: Update tree_pass descriptors.
2399 * tree-mudflap.c: Update tree_pass descriptors.
2400 * tree-ssa-copy.c: Update tree_pass descriptors.
2401 * cfglayout.c: Update tree_pass descriptors.
2402 * tree-ssa-forwprop.c: Update tree_pass descriptors.
2403 * tree-ssa-dce.c: Update tree_pass descriptors.
2404 * tree-ssa.c: Update tree_pass descriptors.
2405 * regclass.c: Update tree_pass descriptors.
2406 * integrate.c: Update tree_pass descriptors.
2407 * tree-optimize.c: Update tree_pass descriptors.
2408 * tree-ssa-phiprop.c: Update tree_pass descriptors.
2409 * tree-object-size.c: Update tree_pass descriptors.
2410 * combine.c: Update tree_pass descriptors.
2411 * tree-outof-ssa.c: Update tree_pass descriptors.
2412 * bb-reorder.c: Update tree_pass descriptors.
2413 * stack-ptr-mod.c: Update tree_pass descriptors.
2414 * var-tracking.c: Update tree_pass descriptors.
2415 * tree-profile.c: Update tree_pass descriptors.
2416 * tree-vect-generic.c: Update tree_pass descriptors.
2417 * reg-stack.c: Update tree_pass descriptors.
2418 * sched-rgn.c: Update tree_pass descriptors.
2419 * tree-ssa-structalias.c: Update tree_pass descriptors.
2420 * tree-cfg.c: Update tree_pass descriptors.
2421 * passes.c (current_pass): Update declaration.
2422 (finish_optimization_passes): Update.
2423 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
2424 (register_one_dump_file, register_dump_files_1, next_pass_1):
2426 (init_optimization_passes): Update handling of new types.
2427 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
2428 * ipa-struct-reorg.c: Update tree_pass descriptors.
2429 * tree-ssa-reassoc.c: Update tree_pass descriptors.
2430 * combine-stack-adj.c: Update tree_pass descriptors.
2431 * cfgrtl.c: Update tree_pass descriptors.
2432 * dce.c: Update tree_pass descriptors.
2433 * tree-ssanames.c: Update tree_pass descriptors.
2435 2008-03-19 Richard Guenther <rguenther@suse.de>
2438 * tree-ssa.c (walk_data): New structure.
2439 (warn_uninitialized_var): If not always_executed warn with "maybe"
2441 (execute_early_warn_uninitialized): Compute post-dominators.
2442 Initialize always_executed before processing each basic block.
2444 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
2447 * config/i386/i386.c (x86_this_parameter): Calculate correct location
2448 of "this" pointer when "regparm = N" or "fastcall" is in effect.
2450 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2452 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
2454 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
2456 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
2458 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
2459 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
2460 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
2461 target after ignore has been set, and move there also the commputation
2462 of subtarget and original_target.
2463 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
2464 (LANG_HOOKS_INITIALIZER): Remove it.
2465 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
2467 2008-03-18 Richard Guenther <rguenther@suse.de>
2469 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
2470 found an expression with constants, note that in the VN for the lhs.
2471 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
2472 fold them to constants if possible. Run cleanup_cfg if done so.
2473 (execute_pre): Return todo.
2475 (execute_fre): Likewise.
2476 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
2478 (get_prop_source_stmt): Look through pointer conversions.
2480 2008-03-18 Jan Hubicka <jh@suse.cz>
2482 * tree-pretty-print.c: Include predict.h.
2483 (dump_generic_node): Dump predictor.
2484 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
2485 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
2486 * gimple-low.c (lower_stmt): Likewise.
2487 * expr.c (expand_expr_real): Likewise.
2488 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
2490 (build_predict_expr, build_predict_expr): New.
2491 * predict.h (predictor_name, build_predict_expr): Update.
2492 * c-typeck.c (c_finish_bc_stmt): Add prediction.
2493 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
2494 * predict.def (PRED_CONTINUE): Update hitrate.
2495 * tree.def (PREDICT_EXPR): Define.
2496 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
2497 do not handle BIND_EXPR.
2498 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
2499 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
2500 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
2503 2008-03-18 Michael Matz <matz@suse.de>
2505 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
2507 2008-03-18 Richard Guenther <rguenther@suse.de>
2509 * tree-gimple.h (is_gimple_invariant_address): Declare.
2510 (is_gimple_constant): Likewise.
2511 * tree-gimple.c (is_gimple_constant): New function.
2512 (is_gimple_invariant_address): Likewise.
2513 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
2514 and is_gimple_invariant_address.
2515 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
2517 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
2518 an addressable base.
2520 2008-03-18 Jakub Jelinek <jakub@redhat.com>
2523 * gimplify.c (gimplify_expr): Gimplify second operand of
2526 2008-03-17 Richard Guenther <rguenther@suse.de>
2528 PR tree-optimization/19637
2529 * fold-const.c (fold_unary): Remove restrictions of removing
2530 intermediate pointer-conversions (P2)(P1)P0.
2531 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
2532 conversion to void pointer.
2533 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
2535 2008-03-16 James E. Wilson <wilson@tuliptree.org>
2538 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
2539 emulated thread local variables.
2541 2008-03-16 Richard Guenther <rguenther@suse.de>
2544 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
2545 expand TREE_INVARIANT operations that are not gimple invariant.
2547 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
2549 * doc/extend.texi (Alignment): Say that the ABI controls
2550 the __alignof__ for non-strict-alignment targets rather
2551 than being a recommendation.
2553 2008-03-15 Paul Brook <paul@codesourcery.com>
2555 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
2557 (arm_output_fn_unwind): Mark functions that can not be unwound.
2559 2008-03-15 Paul Brook <paul@codesourcery.com>
2561 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
2562 extension instructions.
2564 2008-03-15 Richard Guenther <rguenther@suse.de>
2566 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
2567 and fold constant aggregate refs.
2568 (fold_const_aggregate_ref): Handle string constants
2569 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
2570 (evaluate_stmt): Simplify now that ccp_fold folds constant
2573 2008-03-15 Paul Brook <paul@codesourcery.com>
2575 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
2576 (extzv): Use gen_extzv_t2.
2577 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
2579 2008-03-15 Richard Guenther <rguenther@suse.de>
2581 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
2582 (fold_const_aggregate_ref): Likewise.
2583 (get_value): Return NULL if we don't have any values.
2584 (ccp_finalize): Set const_val to NULL after freeing it.
2585 * tree-flow.h (get_symbol_constant_value): Declare.
2586 (fold_const_aggregate_ref): Likewise.
2587 * tree-ssa-sccvn.c (try_to_simplify): Use them.
2589 2008-03-15 Richard Guenther <rguenther@suse.de>
2592 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
2593 to not produce negative array indices if not allowed. Add
2594 parameter to indicate that.
2595 (maybe_fold_offset_to_component_ref): Allow negative array
2596 indices only for the first member of a structure.
2597 (maybe_fold_offset_to_reference): Allow negative array indices.
2598 (maybe_fold_stmt_addition): Likewise.
2600 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
2601 Anatoly Sokolov <aesok@post.ru>
2603 * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
2604 (avr_arch): Add ARCH_AVR6.
2605 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
2606 (initial_elimination_offset): Initialize and use 'avr_pc_size'
2607 instead of fixed value 2.
2608 (print_operand_address): Use gs() asm specifier instead of pm().
2609 (avr_assemble_integer): (Ditto.).
2610 (avr_output_addr_vec_elt): (Ditto.).
2611 (print_operand): Handle "!" code.
2612 * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
2613 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
2614 (AVR_HAVE_EIJMP_EICALL): Define.
2615 (AVR_3_BYTE_PC): Redefine.
2616 (AVR_2_BYTE_PC): (Ditto.).
2617 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
2618 (LINK_SPEC): Add atmega2560 and atmega2561.
2619 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
2621 * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
2622 for 3 byte PC devices.
2623 (call_value_insn): (Ditto.).
2624 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
2625 (indirect_jump): Use only for for 2 byte PC devices.
2626 (*tablejump): (Ditto.).
2627 (*indirect_jump_avr6): Add insn.
2628 (*tablejump_rjmp): Don't use for 3 byte PC devices.
2629 * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
2630 instead of ijmp for 3 byte PC devices.
2631 (__tablejump2__): (Ditto.).
2632 * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
2633 (MULITLIB_DIRNAMES): (Ditto.).
2634 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
2636 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
2638 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
2639 "sse2_umulsidi3". Use V1DI mode for operand 0.
2640 ("mmx_psadbw"): Use V1DI mode for operand 0.
2641 * config/i386/i386-modes.def (V1SI): New vector mode.
2642 * config/i386/i386.c (struct builtin_description)
2643 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
2644 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
2645 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
2646 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
2647 v1di_ftype_v8qi_v8qi type.
2648 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
2650 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
2651 __builtin_ia32_pmuludq]: Fix the mode of return value.
2653 2008-03-15 Richard Guenther <rguenther@suse.de>
2656 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
2659 2008-03-14 Bob Wilson <bob.wilson@acm.org>
2661 * doc/invoke.texi (Option Summary, Xtensa Options): Document
2662 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
2663 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
2664 unless TARGET_SERIALIZE_VOLATILE is enabled.
2665 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
2666 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
2667 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
2669 2008-03-14 Richard Guenther <rguenther@suse.de>
2671 PR tree-optimization/34172
2672 * tree-flow.h (refs_may_alias_p): Declare.
2673 (get_single_def_stmt): Likewise.
2674 (get_single_def_stmt_from_phi): Likewise.
2675 (get_single_def_stmt_with_phi): Likewise.
2676 * tree-dfa.c (refs_may_alias_p): New function.
2677 (get_single_def_stmt): Likewise.
2678 (get_single_def_stmt_from_phi): Likewise.
2679 (get_single_def_stmt_with_phi): Likewise.
2680 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
2681 (vn_reference_lookup_1): New helper function.
2682 (vn_reference_lookup): Walk the virtual use-def chain to
2683 continue searching for a match if the def does not alias the
2684 reference we are looking for.
2686 2008-03-14 David Edelsohn <edelsohn@gnu.org>
2688 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
2689 archive and Perzl. Update The Written Word listing.
2691 2008-03-14 Richard Guenther <rguenther@suse.de>
2693 PR tree-optimization/34043
2694 PR tree-optimization/33989
2695 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
2697 (bitmap_find_leader): Use extra argument to verify dominance
2698 relationship inside a basic-block.
2699 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
2700 (find_leader_in_sets): Adjust.
2701 (create_component_ref_by_pieces): Take extra argument for
2702 dominance check, handle lookup failures.
2703 (find_or_generate_expression): Likewise.
2704 (create_expression_by_pieces): Likewise.
2705 (insert_into_preds_of_block): Adjust.
2706 (create_value_expr_from): If asked for, verify all operands
2707 are in the blocks AVAIL_OUT set.
2708 (make_values_for_stmt): Check for SSA_NAMEs that are life
2709 over an abnormal edge.
2710 (compute_avail): Remove such check.
2711 (do_SCCVN_insertion): New function.
2712 (eliminate): If we do not find a leader suitable for replacement
2713 insert a replacement expression from SCCVN if available.
2714 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
2715 (struct vn_ssa_aux): Add needs_insertion flag.
2716 * tree-ssa-sccvn.c (may_insert): New global flag.
2717 (copy_reference_ops_from_ref): Value-number union member access
2718 based on its size, not type and member if insertion is allowed.
2719 (visit_reference_op_load): For a weak match from union type
2720 punning lookup a view-converted value and insert a SSA_NAME
2721 for that value if that is not found.
2722 (visit_use): Make dumps shorter. Do not disallow value numbering
2723 SSA_NAMEs that are life over an abnormal edge to constants.
2724 (free_scc_vn): Release inserted SSA_NAMEs.
2725 (run_scc_vn): New flag to specify whether insertion is allowed.
2726 Process SSA_NAMEs in forward order.
2727 * tree-ssa-loop-im.c (for_each_index): Handle invariant
2728 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
2729 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
2730 pointer type to/from integral types that do not change the
2731 precision to regular conversions.
2733 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
2735 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2736 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2737 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
2738 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
2739 input arguments and the mode of return value. Built-in functions
2740 that operate on whole 64-bit MMX register now use V1DI mode.
2742 2008-03-13 Alon Dayan <alond@il.ibm.com>
2743 Olga Golovanevsky <olga@il.ibm.com>
2745 PR tree-optimization/35041
2746 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
2747 to locate the right position in a statement.
2749 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
2753 * config/i386/xmmintrin.h: Change all static inline functions to
2754 extern inline and add __gnu_inline__ attribute.
2755 * config/i386/bmintrin.h: Ditto.
2756 * config/i386/smmintrin.h: Ditto.
2757 * config/i386/tmmintrin.h: Ditto.
2758 * config/i386/mmintrin-common.h: Ditto.
2759 * config/i386/ammintrin.h: Ditto.
2760 * config/i386/emmintrin.h: Ditto.
2761 * config/i386/pmmintrin.h: Ditto.
2762 * config/i386/mmintrin.h: Ditto.
2763 * config/i386/mm3dnow.h: Ditto.
2765 2008-03-13 Jakub Jelinek <jakub@redhat.com>
2768 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
2769 (lower_omp_2): New function.
2770 (lower_omp_1, lower_omp): Rewritten.
2772 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
2775 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
2776 with the phrase "Microsoft Windows compilers".
2777 (Push/Pop Macro Pragmas): New subsection. Document
2778 #pragma push_macro and pragma pop_macro.
2780 2008-03-12 Paul Brook <paul@codesourcery.com>
2782 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
2784 2008-03-12 Paul Brook <paul@codesourcery.com>
2786 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
2787 (thumb2_alusi3_short): Exclude PLUS and MINUS.
2788 (thumb2_addsi_shortim): Rename ...
2789 (thumb2_addsi_short): ... to this. Allow register operands.
2790 (thumb2_subsi_short): New pattern.
2791 (thumb2_one_cmplsi2_short,
2792 thumb2_negsi2_short): New patterns and peepholes.
2794 2008-03-12 Paul Brook <paul@codesourcery.com>
2796 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
2798 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
2800 * config/i386/i386.md (int_cond): New code iterator.
2802 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
2803 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
2804 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
2805 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
2806 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
2807 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
2808 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
2809 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
2811 2008-03-12 Paul Brook <paul@codesourcery.com>
2813 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
2814 instead of {arm,thumb}_compute_save_reg_mask.
2815 (output_return_instruction): Ditto.
2816 (thumb_unexpanded_epilogue): Ditto.
2817 (thumb1_expand_prologue): Ditto.
2818 (thumb1_output_function_prologue): Ditto.
2819 (arm_set_return_address): Ditto.
2820 (thumb_set_return_address): Ditto.
2821 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
2822 regs to achieve stack alignment.
2823 (thumb1_compute_save_reg_mask): Fix compiler warning.
2824 (arm_output_epilogue): Use offsets->saved_regs_mask.
2825 Adjust stack pointer by poping call clobered registers.
2826 (arm_expand_prologue): Use offsets->saved_regs_mask.
2827 Adjust stack pointer by pushing extra registers.
2828 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
2830 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
2833 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
2834 conversion to the operands of a multiplication.
2836 2008-03-12 Richard Guenther <rguenther@suse.de>
2838 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
2839 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
2840 * timevar.def (TV_TREE_PHIPROP): Add.
2841 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
2842 pass description. Use TV_TREE_PHIPROP.
2843 * tree-ssa-forwprop.c: Remove phiprop code.
2845 2008-03-12 Jakub Jelinek <jakub@redhat.com>
2848 * omp-low.c (maybe_lookup_decl): Constify first argument.
2849 (use_pointer_for_field): Change last argument from bool to
2850 omp_context *. Disallow shared copy-in/out in nested
2851 parallel if decl is shared in outer parallel too.
2852 (build_outer_var_ref, scan_sharing_clauses,
2853 lower_rec_input_clauses, lower_copyprivate_clauses,
2854 lower_send_clauses, lower_send_shared_vars): Adjust callers.
2856 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
2857 Ira Rosen <irar@il.ibm.com>
2859 * tree-vectorizer.c (free_stmt_vec_info): New function.
2860 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
2861 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
2862 * tree-vectorizer.h (free_stmt_vec_info): Declare.
2863 * tree-vect-transform.c (vectorizable_conversion): Free
2864 vec_oprnds0 if it was allocated.
2865 (vect_permute_store_chain): Remove unused VECs.
2866 (vectorizable_store): Free VECs that are allocated in the..
2868 (vect_transform_strided_load, vectorizable_load): Likewise.
2869 (vect_remove_stores): Simplify the code.
2870 (vect_transform_loop): Move code to vect_remove_stores().
2871 Call vect_remove_stores() and free_stmt_vec_info().
2873 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2875 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
2876 TARGET_HPUX. Revise comment.
2877 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
2878 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
2879 Use sr4 variant of `be' instruction when not generating PIC code.
2880 (attr_length_call): Adjust for above change.
2882 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2884 * ipa-reference.c (static_execute): Remove module_statics_const and
2885 associated setting code.
2887 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
2890 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
2891 predicate for operand 1.
2892 (paritysi2_cmp): Use register_operand predicate for operand 2.
2893 Use earlyclobber modifier for operand 1. Remove support for
2895 (paritydi2_cmp): Use register_operand predicate for operand 3.
2896 Use earlyclobber modifier for operand 1. Remove support for
2899 2008-03-11 Paul Brook <paul@codesourcery.com>
2900 Vladimir Prus <vladimir@codesourcery.com>
2902 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
2903 (arm_compute_save_reg0_reg12_mask): Always
2904 check if register 11 must be saved. Always safe hard frame pointer
2905 when frame_pointer_needeed.
2906 (arm_compute_save_reg_mask): Save IP and PC
2907 only with apcs frames.
2908 (arm_output_epilogue): Adjust Thumb2 codepath to
2909 be also invoked and work for ARM non-apcs frames.
2910 (arm_expand_prologue): Don't bother saving IP
2911 for non-apcs frame, since it's not clobbered by
2912 prologue code. Implement non-apcs frame
2915 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
2917 PR rtl-optimization/35281
2918 * expr.c (convert_move): Use a new pseudo for the intermediate
2919 from_mode->word_mode result.
2921 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
2923 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
2924 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
2925 * toplev.c (compile_file): Don't call it.
2927 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
2930 * expr.c (store_expr): Call emit_block_move if the mode
2931 of "temp" RTX is BLKmode.
2933 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2934 Richard Guenther <rguenther@suse.de>
2936 PR tree-optimization/31358
2937 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
2938 the step with a NULL_TREE.
2939 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
2940 to sizetype if type is a pointer type.
2941 (add_candidate_1): Don't convert the base and step to
2942 the generic type if the orginal type is a pointer type.
2943 (add_iv_value_candidates): Use sizetype for the step
2944 if type is a pointer type.
2945 (cand_value_at): Likewise.
2946 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
2948 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
2949 Don't convert the tem affine to the type.
2950 (add_elt_to_tree): Use sizetype for the step if a pointer.
2951 Use POINTER_PLUS_EXPR for pointers.
2952 (aff_combination_to_tree): Use sizetype for the step if a
2955 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
2957 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
2958 Remove commutativity hint.
2960 2008-03-10 Jakub Jelinek <jakub@redhat.com>
2964 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
2965 errorneous type. Check that v is a VAR_DECL.
2968 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
2970 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
2972 PR tree-optimization/35494
2973 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
2974 may be overriden at link and run time.
2976 2008-03-10 Richard Guenther <rguenther@suse.de>
2978 PR tree-optimization/34677
2979 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
2980 (poolify_tree): Likewise.
2981 (modify_expr_template): Likewise.
2982 (poolify_modify_stmt): Likewise.
2983 (insert_fake_stores): Handle all component-ref style stores
2984 in addition to INDIRECT_REF. Also handle complex types.
2985 Do not poolify the inserted load.
2986 (realify_fake_stores): Do not rebuild the tree but only
2987 make it a SSA_NAME copy.
2988 (init_pre): Remove initialzation of modify_expr_template.
2989 Do not allocate modify_expr_node_pool.
2990 (fini_pre): Do not free modify_expr_node_pool.
2992 2008-03-10 Paul Brook <paul@codesourcery.com>
2994 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
2997 2008-03-10 Paul Brook <paul@codesourcery.com>
2998 Mark Shinwell <shinwell@codesourcery.com>
3000 * config/arm/cortex-r4.md: New.
3001 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
3003 * config/arm/arm.md: Include cortex-r4.md.
3004 (insn): Add smmls, sdiv and udiv values.
3005 (generic_sched): Don't use generic scheduling for Cortex-R4.
3006 (arm_issue_rate): New function.
3007 (TARGET_SCHED_ISSUE_RATE): Define.
3009 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
3011 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
3013 2008-03-10 Richard Guenther <rguenther@suse.de>
3015 * tree-ssa-pre.c (get_sccvn_value): Simplify.
3016 (compute_avail): Do not add stmt uses to AVAIL_OUT.
3018 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
3020 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
3021 Set default to true.
3023 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3025 * c.opt (Wsynth): Deprecate.
3026 * doc/invoke.texi (Option Summary, Warning Options): Document
3027 -Wno-format-contains-nul.
3029 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
3032 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
3033 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
3035 2008-03-09 Ira Rosen <irar@il.ibm.com>
3037 * config/rs6000/rs6000.c (builtin_description): Rename vector
3038 left shift operations.
3039 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
3040 (altivec_vsl<VI_char>): Rename to ...
3041 (ashl<mode>3): ... new name.
3042 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
3044 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
3046 2008-03-08 Richard Guenther <rguenther@suse.de>
3048 * coverage.h (tree_coverage_counter_addr): Declare.
3049 * coverage.c (tree_coverage_counter_addr): New function.
3050 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
3052 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
3053 (tree_gen_one_value_profiler): Likewise.
3054 (tree_gen_ic_profiler): Likewise.
3055 (tree_gen_average_profiler): Likewise.
3056 (tree_gen_ior_profiler): Likewise.
3058 2008-03-08 Richard Guenther <rguenther@suse.de>
3060 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
3061 (vn_binary_op_insert): Likewise.
3062 (vn_unary_op_lookup): Likewise.
3063 (vn_unary_op_insert): Likewise.
3064 (vn_nary_op_lookup): Declare.
3065 (vn_nary_op_insert): Likewise.
3066 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
3067 and binary hashes, use a single obstack for unary_op_pool
3069 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
3070 a single struct vn_nary_op_s. Store tree code length and
3071 a variable number of operands.
3072 (struct vn_reference_op_struct): Remove unused op2.
3073 (vn_reference_op_eq): Do not compare op2.
3074 (vn_reference_op_compute_hash): Do not compute hash of op2.
3075 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
3076 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
3077 with vn_nary_op_compute_hash.
3078 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
3079 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
3081 (vn_unary_op_insert, vn_binary_op_insert): Replace with
3083 (visit_unary_op): Call nary functions.
3084 (visit_binary_op): Likewise.
3085 (process_scc): Adjust for struct vn_tables_s changes.
3086 (allocate_vn_table): Likewise.
3087 (free_vn_table): Likewise.
3088 * tree-vn.c (vn_add): Call nary functions.
3089 (vn_lookup): Likewise.
3091 2008-03-08 Jakub Jelinek <jakub@redhat.com>
3094 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
3095 wdst back after sync_compare_and_swapqhi_internal.
3097 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
3100 * config/i386/i386-modes.def (V1DI): New vector mode.
3101 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
3102 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
3103 (MMXMODE248): Ditto.
3104 (MMXMODE): Add V1DI mode.
3105 (mmxvecsize): Change DI mode to V1DI mode.
3106 ("mov<mode>): Use MMXMODEI8 mode iterator.
3107 ("*mov<mode>_internal_rex64"): Ditto.
3108 ("*mov<mode>_internal"): Ditto.
3109 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
3110 ("mmx_sub<mode>3"): Ditto.
3111 ("mmx_adddi3"): Remove insn pattern.
3112 ("mmx_subdi3"): Ditto.
3113 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
3114 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
3115 ("mmx_ashl<mode>3"): Ditto.
3116 ("mmx_lshrdi3"): Remove insn pattern.
3117 ("mmx_ashldi3"): Ditto.
3118 * config/i386/i386.c (classify_argument): Handle V1DImode.
3119 (function_arg_advance_32): Ditto.
3120 (function_arg_32): Ditto.
3121 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
3122 mmx_addv1di3 insn pattern.
3123 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
3124 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
3125 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
3126 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
3127 Remove definitions of built-in functions.
3128 (V1DI_type_node): New node.
3129 (v1di_ftype_v1di_int): Ditto.
3130 (v1di_ftype_v1di_v1di): Ditto.
3131 (v2si_ftype_v2si_si): Ditto.
3132 (v4hi_ftype_v4hi_di): Remove node.
3133 (v2si_ftype_v2si_di): Ditto.
3134 (ix86_init_mmx_sse_builtins): Handle V1DImode.
3135 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
3136 Redefine builtins using def_builtin_const with *_ftype_*_int node.
3137 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
3138 Add new builtins using def_builtin_const.
3139 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
3140 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
3141 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
3142 * config/i386/mmintrin.h (__v1di): New typedef.
3143 (_mm_add_si64): Cast arguments to __v1di type.
3144 (_mm_sub_si64): Ditto.
3145 (_mm_sll_pi16): Cast __count to __v4hi type.
3146 (_mm_sll_pi32): Cast __count to __v2si type.
3147 (_mm_sll_si64): Cast arguments to __v1di type.
3148 (_mm_srl_pi16): Cast __count to __v4hi type.
3149 (_mm_srl_pi32): Cast __count to __v2si type.
3150 (_mm_srl_si64): Cast arguments to __v1di type.
3151 (_mm_sra_pi16): Cast __count to __v4hi type.
3152 (_mm_sra_pi32): Cast __count to __v2si type.
3153 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
3154 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
3155 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
3156 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
3157 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
3158 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
3159 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
3160 (_mm_srai_pi32): Use __builtin_ia32_psradi.
3161 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
3162 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
3163 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
3164 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
3166 2008-03-07 Joseph Myers <joseph@codesourcery.com>
3168 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
3170 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
3173 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
3174 reg+const addressing for Altivec modes. Don't generate reg+reg
3175 addressing for TFmode or TDmode quantities.
3177 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
3179 * c-common.c (vector_types_convertible_p): Call langhook
3180 instead of comptypes.
3182 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3185 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
3186 integral and scalar float variables which have a
3189 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
3191 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
3192 dwarf_register_span hook when emitting unwind information for
3193 register-to-memory saves.
3194 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
3195 (rs6000_frame_related): Remove call to spe_synthesize_frame.
3197 2008-03-06 Jakub Jelinek <jakub@redhat.com>
3199 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
3200 for the same VAR_DECL.
3202 2008-03-06 Tom Tromey <tromey@redhat.com>
3205 * doc/standards.texi (Standards): Don't mention treelang.
3206 * doc/invoke.texi (Overall Options): Don't mention treelang.
3207 * doc/install.texi (Prerequisites): Don't mention bison or
3209 (Configuration): Don't mention treelang.
3210 (Building): Likewise.
3211 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
3213 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
3215 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
3216 word-extractions out of a multi-word object.
3218 2008-03-06 Richard Guenther <rguenther@suse.de>
3220 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
3221 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
3222 result type and precision.
3223 * expr.c (get_inner_reference): Set unsignedp based on the result
3224 type of BIT_FIELD_REF.
3225 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
3226 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
3227 (try_instantiate_multiple_fields): Likewise. Use the correct type
3229 (sra_build_assignment): Likewise.
3230 (sra_build_elt_assignment): Likewise.
3231 (sra_explode_bitfield_assignment): Likewise.
3232 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
3233 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
3234 set BIT_FIELD_REF_UNSIGNED.
3235 (vectorizable_load): Likewise.
3237 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
3239 * cse.c (cse_extended_basic_block): Invalidate artificial defs
3242 2008-03-06 Richard Guenther <rguenther@suse.de>
3244 * alias.c (struct alias_set_entry): Move has_zero_child field
3245 to pack with alias_set.
3247 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
3249 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3252 2008-03-05 Ian Lance Taylor <iant@google.com>
3254 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
3256 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
3258 * fwprop.c (update_df): Support width and offset parameters of
3260 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
3261 global_conflicts): Change DF_REF_EXTRACT to either
3262 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3263 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3264 * df-scan.c (df_ref_record, df_defs_record,
3265 df_ref_create_structure, df_def_record_1, df_uses_record,
3266 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
3267 df_bb_refs_collect, df_entry_block_defs_collect,
3268 df_exit_block_uses_collect): Support new width and offset fields.
3269 (ref_extract_pool): New storage pool.
3270 (df_free_ref): New function.
3271 (df_reg_chain_unlink, df_free_collection_rec,
3272 df_sort_and_compress_refs): Call df_free_ref.
3273 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
3275 (df_ref_create_structure): Allocate df_ref_extract if offset and
3276 width fields are used.
3277 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
3278 (df_uses_record): Get offset and width from ZERO_EXTRACT
3280 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
3281 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3282 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3283 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
3284 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3285 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3286 (df_ref_extract): New structure.
3287 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
3288 (df_ref_create): Add width and offset parameters.
3290 2008-03-05 Richard Guenther <rguenther@suse.de>
3292 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3293 Use ranges_overlap_p.
3294 (offset_overlaps_with_access): Rename
3295 to ranges_overlap_p and move ...
3296 * tree-flow-inline.h (ranges_overlap_p): ... here.
3298 * tree.h (get_inner_reference, handled_component_p): Update
3301 * tree.h (record_component_aliases, get_alias_set,
3302 alias_sets_conflict_p, alias_sets_must_conflict_p,
3303 objects_must_conflict_p): Move declarations ...
3304 * alias.h (record_component_aliases, get_alias_set,
3305 alias_sets_conflict_p, alias_sets_must_conflict_p,
3306 objects_must_conflict_p): ... here.
3307 Include coretypes.h.
3308 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
3310 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
3312 * cfg.c: Include tree-flow.h.
3313 (remove_edge_raw): Call redirect_edge_var_map_clear.
3314 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
3315 * tree-flow-inline.h (redirect_edge_var_map_def): New.
3316 (redirect_edge_var_map_result): New.
3317 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
3318 PENDING_STMT use with redirect_edge_var_map_*.
3319 * tree-ssa.c (edge_var_maps): New definition.
3320 (redirect_edge_var_map_add): New.
3321 (redirect_edge_var_map_clear): New.
3322 (redirect_edge_var_map_dup): New.
3323 (redirect_edge_var_map_vector): New.
3324 (redirect_edge_var_map_destroy): New.
3325 (ssa_redirect_edge): Replace PENDING_STMT use with
3326 redirect_edge_var_map_*.
3327 (flush_pending_stmts): Same.
3328 (delete_tree_ssa): Destroy edge var map.
3329 * tree-flow.h (struct _edge_var_map): New.
3330 Define edge_var_map vector type.
3331 Declare redirect_edge_var_map_* prototypes.
3332 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
3333 * tree-cfg.c (reinstall_phi_args): Replace
3334 PENDING_STMT use with redirect_edge_var_map_*.
3336 2008-03-05 Richard Guenther <rguenther@suse.de>
3338 PR tree-optimization/35472
3339 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
3340 whose single use_stmt has a overlapping set of loaded and
3341 stored symbols as that use_stmt might be a noop assignment then.
3343 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3345 * gthr-rtems.h: Implement __gthread_mutex_destroy.
3347 2008-03-05 Richard Guenther <rguenther@suse.de>
3350 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
3351 should be constants.
3352 * tree-cfg.c (verify_expr): Verify it.
3353 * fold-const.c (fold_truthop): Remove code generating
3354 BIT_FIELD_REFs of structure bases.
3355 (fold_binary): Likewise.
3356 (fold_ternary): Position and size of BIT_FIELD_REFs are
3357 always host integers.
3358 (make_bit_field_ref): Remove.
3359 (optimize_bit_field_compare): Remove.
3360 (all_ones_mask_p): Remove.
3362 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
3365 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
3366 (split_block_and_df_analyze): New. Split basic block and rebuild
3368 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
3370 (split_pattern_seq): Likewise.
3371 (erase_matching_seqs): Likewise.
3372 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
3374 2008-03-04 Geoff Keating <geoffk@apple.com>
3376 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
3377 declaration and code.
3378 (tree_invalid_nonnegative_warnv_p): Likewise.
3380 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3382 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
3383 examples. Truncate option-names then causing overfull hbox.
3385 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3388 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
3390 * configure: Rebuilt.
3392 2008-03-04 Rafael Espindola <espindola@google.com>
3394 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
3395 (tree_unary_nonnegative_warnv_p): New.
3396 (tree_binary_nonnegative_warnv_p): New.
3397 (tree_single_nonnegative_warnv_p): New.
3398 (tree_invalid_nonnegative_warnv_p): New.
3399 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
3401 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3404 * opts.c (handle_option): Postpone 'unknown option' errors only for
3407 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
3410 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
3413 2008-03-04 Rafael Espindola <espindola@google.com>
3415 * fold-const.c (tree_unary_nonzero_warnv_p): New.
3416 (tree_binary_nonzero_warnv_p): New.
3417 (tree_single_nonzero_warnv_p): New.
3418 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
3420 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
3423 * fold-const.c (fold_cond_expr_with_comparison): Prevent
3424 transformations for modes that have signed zeros.
3425 * ifcvt.c (noce_try_abs): Ditto.
3427 2008-03-04 Joseph Myers <joseph@codesourcery.com>
3429 * config/i386/i386.c (override_options): Force
3430 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
3432 2008-03-04 Jan Hubicka <jh@suse.cz>
3435 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
3438 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
3440 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
3441 label to probe the stack.
3443 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
3445 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
3446 (__gthr_win32_mutex_destroy): Declare.
3447 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
3448 __gthr_win32_mutex_destroy.
3449 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
3451 2008-03-03 Jan Hubicka <jh@suse.cz>
3454 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
3455 aggressive on inlining cold calls.
3457 2008-03-03 Richard Guenther <rguenther@suse.de>
3459 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
3460 struct copies into the expression table.
3461 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
3462 (try_to_simplify): Likewise.
3463 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
3464 integral and pointer arguments which do not change the
3465 precision to NOP_EXPRs.
3466 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
3467 VIEW_CONVERT_EXPR case.
3469 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
3471 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
3472 defined in a loop at depth 0 is invariant.
3473 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
3474 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
3475 be called at loop depth 0.
3477 2008-03-02 Jakub Jelinek <jakub@redhat.com>
3480 * gcc.c (process_command): Update copyright notice dates.
3481 * gcov.c (print_version): Likewise.
3482 * gcov-dump.c (print_version): Likewise.
3483 * mips-tfile.c (main): Likewise.
3484 * mips-tdump.c (main): Likewise.
3486 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3489 * c-common.c (flag_permissive): Delete.
3490 (constant_expression_warnings): Check flags first.
3491 (constant_expression_error): New.
3492 * c-common.h (flag_permissive): Delete.
3493 (constant_expression_error): Declare.
3494 * flags.h (flag_permissive): Declare. Update description.
3495 * diagnostic.c (pedwarn): Update.
3497 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
3498 (permissive_error_kind): New.
3499 * toplev.c (flag_permissive): Define. Update description.
3500 * toplev.h (permissive_error_kind): Declare.
3501 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
3502 (pedwarn_c90): Use pedantic_warning_kind.
3503 * c-opts.c (c_common_post_options): flag_permissive does not affect
3504 flag_pedantic_errors.
3506 2008-03-02 Joseph Myers <joseph@codesourcery.com>
3508 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
3509 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
3510 __absvsi2, __absvDI2): Use unsigned arithmetic.
3512 2008-03-02 Andi Kleen <ak@suse.de>
3513 Richard Guenther <rguenther@suse.de>
3515 * struct-equiv.c: Remove file.
3516 * cfg_cleanup.c (condjump_equiv_p): Remove.
3517 * Makefile.in (OBJS-common): Remove struct-equiv.o.
3518 (struct-equiv.o): Remove rule.
3519 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
3520 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
3521 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
3523 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3525 * ifcvt.c (noce_process_if_block): Try to handle only the then
3526 block if the else block exists but isn't suitable.
3528 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
3531 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
3532 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
3533 regression from previous patch.
3535 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
3538 * gthr.h: Add __gthread_mutex_destroy as a function that must be
3540 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
3541 * gthr-single.h (__gthread_mutex_destroy): Likewise.
3542 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
3543 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
3544 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
3545 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
3546 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
3547 (__gthread_mutex_destroy_function): Rename to
3548 __gthread_mutex_destroy.
3549 * gthr-dce.h (__gthread_mutex_destroy): Call
3550 pthread_mutex_destroy.
3551 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
3552 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
3553 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
3555 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3557 * df-scan.c (df_ref_chain_change_bb): Simplify.
3558 (df_insn_change_bb): Add new_bb argument. Simplify. Call
3559 set_block_for_insn if there's any change.
3560 * df.h ((df_insn_change_bb): Fix prototype.
3561 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
3562 df_insn_change_bb, don't call set_block_for_insn.
3563 * emit-rtl.c (reorder_insns): Likewise.
3564 * haifa-sched.c (move_insn): Likewise.
3566 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3568 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
3570 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3572 * tree-flow-inline.h (next_readonly_imm_use): Return
3573 NULL_USE_OPERAND_P after the end.
3575 2008-03-01 Richard Guenther <rguenther@suse.de>
3577 PR tree-optimization/35411
3578 * tree-sra.c (sra_build_assignment): Split conversion to
3579 final type to a separate statement if we are not assigning
3582 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3584 * fold-const.c (fold_convertible_p): Correct the logic to follow
3585 that in fold_convert().
3587 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
3590 * tree-inline.c (build_duplicate_type): When we make a
3591 duplicate type, make it unique in the canonical types system.
3593 2008-02-29 Tom Tromey <tromey@redhat.com>
3595 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
3596 input_file_stack_history, input_file_stack_restored): Remove.
3597 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3598 * input.h (struct file_stack): Remove.
3599 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3600 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
3602 * diagnostic.h (struct diagnostic_context) <last_module>: Change
3604 (diagnostic_last_module_changed): Add 'map' argument.
3605 (diagnostic_set_last_function): Likewise.
3606 * diagnostic.c (undiagnostic_report_current_module): Iterate using
3607 line map, not input_file_stack.
3608 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
3610 2008-02-29 Paul Brook <paul@codesourcery.com>
3612 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
3614 2008-02-29 Paul Brook <paul@codesourcery.com>
3616 * config/arm/ieee754-df.S (muldf3): Use RET macros.
3618 2008-02-29 Richard Guenther <rguenther@suse.de>
3620 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
3622 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
3623 value for comparing for a store match.
3624 (simplify_unary_expression): Do nothing for SSA_NAMEs.
3625 (try_to_simplify): Do not do a full-blown reference lookup.
3627 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
3629 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
3630 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3632 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
3634 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
3636 * tree-loop-linear.c (try_interchange_loops): Compare memory access
3637 strides against cache sizes.
3639 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
3641 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
3644 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
3646 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
3647 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
3648 is smaller than the original promoted value.
3649 (simplify_subreg): If OP is a SUBREG, try to preserve its
3650 SUBREG_PROMOTED_VAR_P information.
3652 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3654 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
3655 (VN_INFO_GET): Allocate new objects on the obstack.
3656 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
3657 for rpo_numbers_temp, for consistency.
3658 (free_scc_vn): Free the obstack.
3660 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
3662 * doc/invoke.texi: Document -ftree-loop-distribution.
3663 * tree-loop-distribution.c: New.
3664 * tree-pass.h (pass_loop_distribution): New.
3665 * graphds.h (struct graph): Add htab_t indices.
3666 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
3667 * tree-vectorizer.c (rename_variables_in_loop): Extern.
3668 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
3669 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
3670 * tree-data-ref.c (debug_data_dependence_relations): New.
3671 (dump_data_dependence_relation): Also print data references.
3672 (free_data_ref): Extern.
3673 (same_access_functions): Moved...
3674 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
3675 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3676 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
3677 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
3678 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
3679 (stmts_from_loop): Skip LABEL_EXPR.
3680 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
3682 (build_rdg): Initialize rdg->indices htab.
3683 (free_rdg, stores_from_loop, ref_base_address,
3684 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
3685 have_similar_memory_accesses_1, ref_base_address_1,
3686 remove_similar_memory_refs): New.
3687 * tree-data-ref.h: Depend on tree-chrec.h.
3688 (debug_data_dependence_relations, free_data_ref): Declared.
3689 (same_access_functions): ... here.
3690 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
3692 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
3693 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
3694 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
3695 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3696 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
3697 rdg_vertex_for_stmt): Declared.
3698 (struct rdg_edge): Add level.
3700 (free_rdg, stores_from_loop, remove_similar_memory_refs,
3701 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
3703 (rdg_has_similar_memory_accesses): New.
3704 * tree-vect-analyze.c: Remove unused static decls.
3705 * lambda.h (dependence_level): New.
3706 * common.opt (ftree-loop-distribution): New.
3707 * tree-flow.h (mark_virtual_ops_in_bb,
3708 slpeel_tree_duplicate_loop_to_edge_cfg,
3709 rename_variables_in_loop): Declared.
3710 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
3711 (OBJS-common): Add tree-loop-distribution.o.
3712 (tree-loop-distribution.o): New rule.
3713 * tree-cfg.c (mark_virtual_ops_in_bb): New.
3714 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
3715 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
3717 2008-02-28 Joseph Myers <joseph@codesourcery.com>
3720 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
3721 other than structures and unions.
3723 2008-02-28 Richard Guenther <rguenther@suse.de>
3726 2008-02-26 Richard Guenther <rguenther@suse.de>
3728 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3729 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3730 (lookup_decl_from_uid): Declare.
3731 (remove_decl_from_map): Likewise.
3732 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3733 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3734 (decl_for_uid_map): New global hashtable mapping DECL_UID
3736 (init_ttree): Allocate it.
3737 (insert_decl_to_uid_decl_map): New helper function.
3738 (make_node_stat): Insert new decls into the map.
3739 (copy_node_stat): Likewise.
3740 (lookup_decl_from_uid): New function.
3741 (remove_decl_from_map): Likewise.
3742 (print_decl_for_uid_map_statistics): New helper.
3743 (dump_tree_statistics): Call it.
3745 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3746 (referenced_var_iterator): Adjust.
3747 (FOR_EACH_REFERENCED_VAR): Adjust.
3748 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3749 (num_referenced_vars): Adjust.
3750 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3751 (first_referenced_var): Remove.
3752 (end_referenced_vars_p): Likewise.
3753 (next_referenced_var): Likewise.
3754 (referenced_var_iterator_set): New helper function.
3755 * tree-dfa.c (referenced_var_lookup): Adjust.
3756 (referenced_var_check_and_insert): Likewise.
3757 (remove_referenced_var): Likewise.
3758 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3759 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3760 (verify_call_clobbering): Likewise.
3761 (verify_memory_partitions): Likewise.
3762 (init_tree_ssa): Allocate bitmap instead of hashtable for
3764 (delete_tree_ssa): Adjust.
3765 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3766 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3767 (compute_tag_properties): Likewise.
3768 (set_initial_properties): Likewise.
3769 (find_partition_for): Likewise.
3770 (update_reference_counts): Likewise.
3771 (dump_may_aliases_for): Likewise.
3772 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3773 (add_call_clobber_ops): Likewise.
3774 (add_call_read_ops): Likewise.
3775 (get_asm_expr_operands): Likewise.
3776 * tree-into-ssa.c (dump_decl_set): Likewise.
3777 (update_ssa): Likewise.
3778 * tree-sra.c (scan_function): Likewise.
3779 (decide_instantiations): Likewise.
3780 (scalarize_parms): Likewise.
3781 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3782 (dsa_named_for): Likewise.
3783 * tree-ssa-structalias.c (update_alias_info): Likewise.
3784 (merge_smts_into): Likewise.
3786 2008-02-27 David Daney <ddaney@avtrex.com>
3789 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
3790 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
3791 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
3792 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
3793 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
3795 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
3798 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
3799 (BUILT_IN_NEXTTOWARD): Remove.
3800 (BUILT_IN_NEXTTOWARDF): Ditto.
3801 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
3802 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
3804 2008-02-27 Tom Tromey <tromey@redhat.com>
3806 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
3807 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
3809 2008-02-27 Jan Beulich <jbeulich@novell.com>
3811 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
3812 update the respective field on newdecl.
3814 2008-02-27 Revital Eres <eres@il.ibm.com>
3816 PR rtl-optimization/34999
3817 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
3818 crossing edges that ends with a call insn.
3819 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
3820 call insn and clear the EDGE_CROSSING flag of the crossing edge
3821 when fixing fallthru edges.
3823 2008-02-27 Richard Guenther <rguenther@suse.de>
3826 * fold-const.c (fold_unary): Return the correct argument,
3827 converted to the result type.
3829 2008-02-27 Richard Guenther <rguenther@suse.de>
3832 * expr.c (expand_expr_real_1): Assert on rotates that operate
3834 * fold-const.c (fold_binary): Use the types precision, not the
3835 bitsize of the mode if folding rotate expressions. Build rotates
3836 only for full modes.
3838 2008-02-27 Jakub Jelinek <jakub@redhat.com>
3840 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
3842 * c-pragma.c (pragma_ns_name): New typedef.
3843 (registered_pp_pragmas): New variable.
3844 (c_pp_lookup_pragma): New function.
3845 (c_register_pragma_1): If flag_preprocess_only, do nothing
3846 for non-expanded pragmas, for expanded ones push pragma's
3847 namespace and name into registered_pp_pragmas vector.
3848 (c_invoke_pragma_handler): Register OpenMP pragmas even when
3849 flag_preprocess_only, don't register GCC pch_preprocess
3850 pragma if flag_preprocess_only.
3851 * c-opts.c (c_common_init): Call init_pragma even if
3852 flag_preprocess_only.
3853 * c-pragma.c (c_pp_lookup_pragma): New prototype.
3854 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
3855 cpp_register_pragma if flag_preprocess_only.
3857 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3860 * c-parser.c (c_parser_translation_unit): Warn for empty
3861 translation unit, not empty source file.
3863 2008-02-26 Paul Brook <paul@codesourcery.com>
3865 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
3866 operand for Thumb-2.
3867 * config/arm/arm.h (reg_class): Add CORE_REGS.
3868 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
3869 (BASE_REG_CLASS): Use CORE_REGS.
3870 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
3871 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
3872 (REGNO_OK_FOR_INDEX_P): Exclude SP.
3873 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
3874 ARM_REGNO_OK_FOR_INDEX_P.
3875 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
3876 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
3877 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
3878 (ldm/stm peepholes): Ditto.
3879 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
3880 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
3881 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
3882 * config/arm/constraints.md: Enable "k" constraint on ARM.
3884 2008-02-27 Ben Elliston <bje@au.ibm.com>
3886 * config/rs6000/rs6000.c: Annotate cache line size field in all
3887 instances of struct processor_costs.
3889 2008-02-26 David Edelsohn <edelsohn@gnu.org>
3891 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
3892 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
3893 jump_bypass): New counters.
3894 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
3895 * dce.c (gate_ud_dce): Same.
3896 (gate_fast_dce): Same.
3897 * dse.c (gate_dse1): New function.
3898 (gate_dse2): New function.
3899 (gate_dse): Merge results of new gate functions.
3900 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
3901 (gate_handle_jump_bypass): Add dbg_cnt.
3902 (gate_handle_gcse): Add dbg_cnt.
3903 * ifcvt.c (gate_handle_if_conversion): Same.
3904 (gate_handle_if_after_combine): Same.
3905 (gate_handle_if_after_reload): Same.
3906 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
3908 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
3910 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
3912 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
3914 2008-02-26 Jason Merrill <jason@redhat.com>
3917 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
3918 alone if it's the naming decl for the type's main variant.
3920 2008-02-26 Tom Tromey <tromey@redhat.com>
3922 * system.h (USE_MAPPED_LOCATION): Poison.
3923 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
3924 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
3925 (make_goto_expr_edges): Likewise.
3926 (remove_bb): Likewise.
3927 (execute_warn_function_return): Likewise.
3928 * basic-block.h (struct edge_def) <goto_locus>: Change type to
3930 * c-common.c (fname_decl): Remove old location code.
3931 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
3933 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
3935 (ASM_INPUT_SOURCE_LOCATION): Likewise.
3936 (gen_rtx_ASM_INPUT): Likewise.
3937 (gen_rtx_ASM_INPUT_loc): Likewise.
3938 (get_rtx_asm_OPERANDS): Remove.
3939 * cfglayout.c (insn_locators_alloc): Remove old location code.
3940 (set_curr_insn_source_location): Likewise.
3941 (curr_insn_locator): Likewise.
3942 * print-tree.c (print_node): Remove old location code.
3943 * tree-mudflap.c (mf_varname_tree): Remove old location code.
3944 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
3945 * cfgexpand.c (expand_gimple_cond_expr): Don't use
3946 location_from_locus.
3947 (construct_exit_block): Remove old location code.
3948 * emit-rtl.c (force_next_line_note): Remove old location code.
3949 * profile.c (branch_prob): Remove old location code.
3950 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
3951 LOC_LINE): Remove old-location variants.
3952 * langhooks.c (lhd_print_error_function): Remove old location
3954 * configure, config.in: Rebuilt.
3955 * configure.ac (--enable-mapped-location): Remove.
3956 * c-decl.c (c_init_decl_processing): Remove old location code.
3957 (finish_function): Likewise.
3958 * recog.c (decode_asm_operands): Remove old location code.
3959 * c-pch.c (c_common_read_pch): Remove old location code.
3960 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
3962 * gimple-low.c (lower_function_body): Remove old location code.
3963 * toplev.c (unknown_location): Remove.
3964 (push_srcloc): Remove old-location variant.
3965 (process_options): Remove old location code.
3966 (lang_dependent_init): Likewise.
3967 * input.h (UNKNOWN_LOCATION): Move definition.
3968 (location_t): Undeprecate.
3969 (source_locus): Remove.
3970 (location_from_locus): Remove.
3971 (struct location_s): Remove.
3972 Remove all old-location code.
3973 (input_line, input_filename): Remove.
3974 * final.c (final_scan_insn): Remove old location code.
3975 * diagnostic.c (diagnostic_build_prefix): Remove
3976 USE_MAPPED_LOCATION test.
3977 * tree.h (gimple_stmt) <locus>: Now a location_t.
3978 (tree_exp) <locus>: Likewise.
3979 (DECL_IS_BUILTIN): Remove old-location variant.
3980 (annotate_with_file_line, annotate_with_locus): Likewise.
3981 (expr_locus, set_expr_locus): Update.
3982 * tree.c (build1_stat): Remove old location code.
3983 (last_annotated_node): Remove.
3984 (annotate_with_file_line): Remove old-location variant.
3985 (annotate_with_locus): Likewise.
3986 (expr_location): Remove old location code.
3987 (set_expr_location): Likewise.
3988 (expr_has_location): Likewise.
3989 (expr_locus): Likewise.
3990 (set_expr_locus): Likewise.
3991 (expr_filename): Don't use location_from_locus.
3992 (expr_lineno): Likewise.
3993 * rtl-error.c (location_for_asm): Remove old location code.
3994 * c-lex.c (cb_line_change): Remove old location code.
3995 (fe_file_change): Likewise.
3996 (cb_def_pragma): Likewise.
3997 (c_lex_with_flags): Likewise.
3998 * gengtype.c (do_typedef): Don't special-case location types.
3999 (define_location_structures): Remove.
4000 (main): Don't call define_location_structures.
4001 * tree-pretty-print.c (dump_implicit_edges): Remove old location
4004 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4007 * builtins.def (BUILT_IN_STDARG_START): Remove.
4008 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
4009 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
4010 * tree-inline.c (inline_forbidden_p_1): Likewise.
4012 2008-02-26 Richard Guenther <rguenther@suse.de>
4014 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4015 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4016 (lookup_decl_from_uid): Declare.
4017 (remove_decl_from_map): Likewise.
4018 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4019 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4020 (decl_for_uid_map): New global hashtable mapping DECL_UID
4022 (init_ttree): Allocate it.
4023 (insert_decl_to_uid_decl_map): New helper function.
4024 (make_node_stat): Insert new decls into the map.
4025 (copy_node_stat): Likewise.
4026 (lookup_decl_from_uid): New function.
4027 (remove_decl_from_map): Likewise.
4028 (print_decl_for_uid_map_statistics): New helper.
4029 (dump_tree_statistics): Call it.
4031 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4032 (referenced_var_iterator): Adjust.
4033 (FOR_EACH_REFERENCED_VAR): Adjust.
4034 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4035 (num_referenced_vars): Adjust.
4036 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4037 (first_referenced_var): Remove.
4038 (end_referenced_vars_p): Likewise.
4039 (next_referenced_var): Likewise.
4040 (referenced_var_iterator_set): New helper function.
4041 * tree-dfa.c (referenced_var_lookup): Adjust.
4042 (referenced_var_check_and_insert): Likewise.
4043 (remove_referenced_var): Likewise.
4044 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4045 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4046 (verify_call_clobbering): Likewise.
4047 (verify_memory_partitions): Likewise.
4048 (init_tree_ssa): Allocate bitmap instead of hashtable for
4050 (delete_tree_ssa): Adjust.
4051 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4052 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4053 (compute_tag_properties): Likewise.
4054 (set_initial_properties): Likewise.
4055 (find_partition_for): Likewise.
4056 (update_reference_counts): Likewise.
4057 (dump_may_aliases_for): Likewise.
4058 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4059 (add_call_clobber_ops): Likewise.
4060 (add_call_read_ops): Likewise.
4061 (get_asm_expr_operands): Likewise.
4062 * tree-into-ssa.c (dump_decl_set): Likewise.
4063 (update_ssa): Likewise.
4064 * tree-sra.c (scan_function): Likewise.
4065 (decide_instantiations): Likewise.
4066 (scalarize_parms): Likewise.
4067 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4068 (dsa_named_for): Likewise.
4069 * tree-ssa-structalias.c (update_alias_info): Likewise.
4070 (merge_smts_into): Likewise.
4072 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4075 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
4076 * c-opts.c (c_common_handle_option): Wall enables
4077 Wvolatile-register-var.
4078 * common.opt: Move Wvolatile-register-var to...
4081 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4083 * common.opt (Wlarger-than=): New.
4084 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
4086 * opts.c (common_handle_option): Handle -Wlarger-than=.
4087 * optc-gen.awk: Likewise.
4088 * opth-gen.awk: Likewise.
4089 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
4090 * tree-optimize.c (tree_rest_of_compilation): Likewise.
4092 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4094 * c-common.c (match_case_to_enum_1): Add appropriate
4095 OPT_W* parameter to warning.
4096 (c_do_switch_warnings): Likewise.
4097 * c-typeck.c (warning_init): Add one more parameter following
4099 (push_init_level): Update call to warning_init.
4100 (pop_init_level): Likewise.
4101 (add_pending_init): Likewise.
4102 (output_init_element: Likewise.
4104 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4107 * toplev.c (toplev_main): If there are warnings or error, print
4108 errors for ignored options.
4109 * opts.c (ignored_options): New static variable.
4110 (postpone_unknown_option_error): New.
4111 (print_ignored_options): New.
4112 (handle_option): Postpone errors for unknown -Wno-* options.
4113 * opts.h (print_ignored_options): Declare.
4115 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
4117 * config/mips/mips.md (loadgp_blockage, blockage): Change type
4120 2008-02-25 Richard Guenther <rguenther@suse.de>
4123 2008-02-25 Richard Guenther <rguenther@suse.de>
4125 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4126 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4127 (lookup_decl_from_uid): Declare.
4128 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4129 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4130 (decl_for_uid_map): New global hashtable mapping DECL_UID
4132 (init_ttree): Allocate it.
4133 (insert_decl_to_uid_decl_map): New helper function.
4134 (make_node_stat): Insert new decls into the map.
4135 (copy_node_stat): Likewise.
4136 (lookup_decl_from_uid): New function.
4137 (print_decl_for_uid_map_statistics): New helper.
4138 (dump_tree_statistics): Call it.
4140 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4141 (referenced_var_iterator): Adjust.
4142 (FOR_EACH_REFERENCED_VAR): Adjust.
4143 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4144 (num_referenced_vars): Adjust.
4145 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4146 (first_referenced_var): Remove.
4147 (end_referenced_vars_p): Likewise.
4148 (next_referenced_var): Likewise.
4149 (referenced_var_iterator_set): New helper function.
4150 * tree-dfa.c (referenced_var_lookup): Adjust.
4151 (referenced_var_check_and_insert): Likewise.
4152 (remove_referenced_var): Likewise.
4153 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4154 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4155 (verify_call_clobbering): Likewise.
4156 (verify_memory_partitions): Likewise.
4157 (init_tree_ssa): Allocate bitmap instead of hashtable for
4159 (delete_tree_ssa): Adjust.
4160 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4161 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4162 (compute_tag_properties): Likewise.
4163 (set_initial_properties): Likewise.
4164 (find_partition_for): Likewise.
4165 (update_reference_counts): Likewise.
4166 (dump_may_aliases_for): Likewise.
4167 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4168 (add_call_clobber_ops): Likewise.
4169 (add_call_read_ops): Likewise.
4170 (get_asm_expr_operands): Likewise.
4171 * tree-into-ssa.c (dump_decl_set): Likewise.
4172 (update_ssa): Likewise.
4173 * tree-sra.c (scan_function): Likewise.
4174 (decide_instantiations): Likewise.
4175 (scalarize_parms): Likewise.
4176 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4177 (dsa_named_for): Likewise.
4178 * tree-ssa-structalias.c (update_alias_info): Likewise.
4179 (merge_smts_into): Likewise.
4181 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
4184 * doc/invoke.texi (-fcx-limited-range): Document new option.
4185 * toplev.c (process_options): Handle -fcx-fortran-rules.
4186 * common.opt: Add documentation for -fcx-fortran-rules.
4188 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
4191 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
4192 actual behaviour and C99.
4194 2008-02-26 Ben Elliston <bje@au.ibm.com>
4196 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
4197 (ASM_CPU_POWER6_SPEC): Likewise.
4198 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
4199 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
4200 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
4202 2008-02-25 Richard Guenther <rguenther@suse.de>
4204 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4205 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4206 (lookup_decl_from_uid): Declare.
4207 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4208 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4209 (decl_for_uid_map): New global hashtable mapping DECL_UID
4211 (init_ttree): Allocate it.
4212 (insert_decl_to_uid_decl_map): New helper function.
4213 (make_node_stat): Insert new decls into the map.
4214 (copy_node_stat): Likewise.
4215 (lookup_decl_from_uid): New function.
4216 (print_decl_for_uid_map_statistics): New helper.
4217 (dump_tree_statistics): Call it.
4219 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4220 (referenced_var_iterator): Adjust.
4221 (FOR_EACH_REFERENCED_VAR): Adjust.
4222 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4223 (num_referenced_vars): Adjust.
4224 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4225 (first_referenced_var): Remove.
4226 (end_referenced_vars_p): Likewise.
4227 (next_referenced_var): Likewise.
4228 (referenced_var_iterator_set): New helper function.
4229 * tree-dfa.c (referenced_var_lookup): Adjust.
4230 (referenced_var_check_and_insert): Likewise.
4231 (remove_referenced_var): Likewise.
4232 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4233 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4234 (verify_call_clobbering): Likewise.
4235 (verify_memory_partitions): Likewise.
4236 (init_tree_ssa): Allocate bitmap instead of hashtable for
4238 (delete_tree_ssa): Adjust.
4239 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4240 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4241 (compute_tag_properties): Likewise.
4242 (set_initial_properties): Likewise.
4243 (find_partition_for): Likewise.
4244 (update_reference_counts): Likewise.
4245 (dump_may_aliases_for): Likewise.
4246 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4247 (add_call_clobber_ops): Likewise.
4248 (add_call_read_ops): Likewise.
4249 (get_asm_expr_operands): Likewise.
4250 * tree-into-ssa.c (dump_decl_set): Likewise.
4251 (update_ssa): Likewise.
4252 * tree-sra.c (scan_function): Likewise.
4253 (decide_instantiations): Likewise.
4254 (scalarize_parms): Likewise.
4255 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4256 (dsa_named_for): Likewise.
4257 * tree-ssa-structalias.c (update_alias_info): Likewise.
4258 (merge_smts_into): Likewise.
4260 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
4263 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
4264 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
4265 * alias.h (nonoverlapping_memrefs_p): Likewise.
4267 2008-02-25 Jan Beulich <jbeulich@novell.com>
4269 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
4270 * config/i386/netware-libgcc.exp: Add __bswap?i2,
4271 __emultls_get_address, __emultls_register_common,
4272 __floatundi?f, and _Unwind_GetIPInfo.
4273 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
4274 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
4275 (gen_regparm_prefix): Likewise.
4276 (i386_nlm_encode_section_info): Sync with
4277 config/i386/winnt.c:i386_pe_encode_section_info().
4278 (i386_nlm_maybe_mangle_decl_assembler_name): New.
4279 i386_nlm_mangle_decl_assembler_name): New.
4280 (netware_override_options): New.
4281 * config/i386/netware.h (netware_override_options): Declare.
4282 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
4283 (i386_nlm_mangle_decl_assembler_name): Declare.
4284 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
4286 2008-02-25 Ben Elliston <bje@au.ibm.com>
4289 * c-decl.c (grokdeclarator): Remove unused local variables
4290 `typedef_type' and `type_as_written'.
4292 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
4293 unused local variable `has_hot_blocks'.
4294 (fix_crossing_conditional_branches): Remove unused local variable
4297 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
4300 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
4301 using DEF_C99_BUILTIN.
4302 (BUILT_IN_NANF): Ditto.
4303 (BUILT_IN_NANL): Ditto.
4305 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
4306 Revital Eres <eres@il.ibm.com>
4308 * modulo-sched.c (calculate_must_precede_follow): Address TODO
4309 regarding the order of two dependent insns in the same row.
4311 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
4313 * stor-layout.c (layout_decl): Do not bump the alignment of a
4314 bit-field to more than byte alignment if it is packed.
4316 2008-02-24 David Edelsohn <edelsohn@gnu.org>
4318 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
4321 2008-02-24 Diego Novillo <dnovillo@google.com>
4323 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
4326 * tree-vrp.c (vrp_evaluate_conditional): With
4327 -Wtype-limits, emit a warning when comparing against a
4328 constant outside the natural range of OP0's type.
4329 * c.opt (Wtype-limits): Move ...
4330 * common.opt (Wtype-limits): ... here.
4332 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
4334 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
4335 * config/rs6000/e300c2c3.md: New file.
4336 * config/rs6000/rs6000.c (processor_costs): Add new costs for
4338 (rs6000_override_options): Add e300c2 and e300c3 cases to
4339 processor_target_table. Do not allow usage of Altivec or Spe
4340 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
4341 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
4342 * config/rs6000/rs6000.h (processor_type): Add
4343 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
4344 (ASM_CPU_SPEC): Add e300c2 and e300c3.
4345 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
4346 and ppce300c3. Include e300c2c3.md.
4348 2008-02-23 David Edelsohn <edelsohn@gnu.org>
4350 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
4351 instead of TARGET_STRICT_ALIGN.
4353 2008-02-23 Joseph Myers <joseph@codesourcery.com>
4355 * explow.c (memory_address): Assert that the generated address is
4358 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4361 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
4362 * config/darwin-ppc-ldouble-patch.def: New file.
4363 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
4364 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
4365 SUBTARGET_INIT_BUILTINS if defined.
4366 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
4369 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
4372 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
4373 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
4375 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
4378 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
4379 file" warning condtional on -Winvalid-PCH.
4381 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
4383 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
4385 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
4389 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
4390 prevent reload from using MMX registers.
4391 (*mov<mode>_internal): Ditto.
4392 (*movv2sf_internal_rex64): Ditto.
4393 (*movv2sf_internal): Ditto.
4395 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4397 PR documentation/31569
4398 * doc/install.texi2html: Use makeinfo --no-number-sections.
4400 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4402 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
4403 ensure that we can address an entire entity > 8 bytes. Don't
4404 generate reg+reg addressing for such data.
4406 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4408 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
4409 strings when optimizing for size, unless the target cares about
4412 2008-02-22 Tom Tromey <tromey@redhat.com>
4414 * regclass.c (current_pass): Remove declaration.
4416 2008-02-22 Anatoly Sokolov <aesok@post.ru>
4418 * config/avr/libgcc.S (__RAMPZ__): Define.
4419 (__do_copy_data): Add for devices with 128KB code memory.
4421 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4423 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4425 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
4427 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
4429 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
4432 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4435 * c-typeck.c (build_binary_op): Warn about floating point
4436 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
4438 2008-02-21 Janis Johnson <janis187@us.ibm.com>
4441 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
4442 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
4444 (rs6000_override_options): Set altivec_abi as default, not override,
4445 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
4446 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
4447 is used; use new member spe_abi.
4448 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
4449 spe_abi and altivec_abi.
4451 2008-02-22 Tomas Bily <tbily@suse.cz>
4453 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
4455 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4458 * config.build (build_file_translate): Set to `CMD //c' only if
4460 * Makefile.in (build_file_translate): Improve comment.
4462 2008-02-21 Jan Hubicka <jh@suse.cz>
4464 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
4465 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
4466 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
4468 2008-02-21 Michael Matz <matz@suse.de>
4471 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
4473 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
4475 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
4476 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
4478 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
4479 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
4480 SSE_VEC_FLOAT_MODE_P as insn constraint.
4481 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
4482 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
4483 sse4a_movntdf using MODEF mode iterator.
4484 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
4485 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
4486 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
4487 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
4488 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
4489 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
4490 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
4492 2008-02-21 Richard Guenther <rguenther@suse.de>
4494 * tree.def (PAREN_EXPR): New tree code.
4495 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
4497 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
4498 * expr.c (expand_expr_real_1): Likewise.
4499 * tree-inline.c (estimate_num_insns_1): Likewise.
4500 * tree-complex.c (expand_complex_move): Likewise.
4501 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
4504 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
4507 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
4509 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
4512 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
4514 * config/sh/sh.c (find_barrier): Don't go past
4515 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
4517 2008-02-20 DJ Delorie <dj@redhat.com>
4519 * config/h8300/h8300.md (insv): Force source operand to be a register.
4521 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
4522 as a jump, not as a plain insn.
4524 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
4526 * doc/invoke.texi (Warning Options): Add new option
4527 -Wframe-larger-than=.
4528 (-Wframe-larger-than): Document.
4530 * flags.h (warn_frame_larger_than, frame_larger_than_size):
4531 Add declarations for new option variables.
4533 * final.c (final_start_function): Check the frame size
4534 before emission and issue a Wframe-larger-than warning.
4536 * opts.c (warn_frame_larger_than, frame_larger_than_size):
4537 Add definitions for new option variables.
4538 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
4540 * common.opt (Wframe-larger-than=): New option.
4542 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
4544 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
4545 (<sse>_div<mode>3): Ditto.
4546 (<sse>_vmdiv<mode>3): Ditto.
4547 (<sse>_vmsqrt<mode>2): Ditto.
4548 (*smax<mode>3): Ditto.
4549 (sse5_frcz<mode>2): Ditto.
4550 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
4553 2008-02-20 Richard Guenther <rguenther@suse.de>
4556 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
4557 be happy with INTEGRAL_TYPE_P.
4559 2008-02-20 Richard Guenther <rguenther@suse.de>
4561 * fold-const.c (split_tree): Associate floatig-point expressions
4562 if flag_associative_math is set.
4564 2008-02-20 Richard Guenther <rguenther@suse.de>
4566 * tree.h (fold_real_zero_addition_p): Declare.
4567 * fold-const.c (fold_real_zero_addition_p): Export.
4568 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
4569 floating-point operations with zero and one.
4571 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
4573 * doc/install.texi: Correct references to CFLAGS, replacing them
4574 with BOOT_CFLAGS. Document flags used during bootstrap for
4577 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
4579 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
4580 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
4581 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
4583 (smin<mode>3): Ditto from similar patterns.
4584 (smax<mode>3): Ditto.
4585 (*ieee_smin<mode>3): Ditto.
4586 (*ieee_smax<mode>3): Ditto.
4587 * config/i386/sse.md (sse): New mode attribute.
4588 (mov<mode>): Macroize expander from movv4sf and movv2df using
4589 SSEMODEF2P mode iterator.
4590 (<sse>_movnt<mode>): Ditto from similar patterns. Use
4591 SSE_VEC_FLOAT_MODE_P as insn constraint.
4592 (storent<mode>): Ditto.
4593 (storent<mode>): Macroize expander from storentsf and storentdf using
4594 MODEF mode iterator.
4595 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
4596 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
4597 (abs<mode>2): Ditto from similar patterns.
4598 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
4599 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
4600 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
4601 (<sse>_vmsqrt<mode>2): Ditto.
4602 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
4603 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
4604 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
4605 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
4606 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
4607 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
4608 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
4610 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
4611 iterator and SSE_FLOAT_MODE_P as insn constraint.
4612 (<sse>_ucomi): Ditto from similar patterns.
4613 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
4614 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
4615 SSE_VEC_FLOAT_MODE_P as insn constraint.
4616 (vcond<mode>): Ditto from similar patterns.
4617 (and<mode>3, *and<mode>3): Ditto.
4618 (<sse>_nand<mode>3): Ditto.
4619 (ior<mode>3, *ior<mode>3): Ditto.
4620 (xor<mode>3, *xor<mode>3): Ditto.
4621 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
4622 iterator and SSE_FLOAT_MODE_P as insn constraint.
4623 (*nand<mode>3): Ditto from similar patterns.
4624 (*ior<mode>3): Ditto.
4625 (*xor<mode>3): Ditto.
4627 2008-02-20 Ira Rosen <irar@il.ibm.com>
4629 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
4630 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
4631 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
4633 2008-02-19 Jan Hubicka <jh@suse.cz>
4635 * predict.c (tree_bb_level_predictions): Remove variable next
4636 mistakely introduced by previous commit.
4638 2008-02-19 Jan Hubicka <jh@suse.cz>
4640 * predict.c (predict_paths_leading_to): Rewrite.
4641 (predict_paths_for_bb): New.
4642 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
4644 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4647 * Makefile.in (build_file_translate): New.
4648 (gcc-vers.texi): Use it for translating $(abs_srcdir).
4649 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
4650 * configure.ac (build_file_translate): Substitute it.
4651 * configure: Regenerate.
4653 2008-02-19 Jan Hubicka <jh@suse.cz>
4655 PR rtl-optimization/34408
4656 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
4659 2008-02-19 Jan Hubicka <jh@suse.cz>
4662 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
4665 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
4668 * config/i386/i386-modes.def: Revert the last DI alignment
4669 change until Ada people can look into it.
4671 2008-02-19 Nick Clifton <nickc@redhat.com>
4673 * opts.c (print_specific_help): Fix typo in --help text.
4675 2008-02-19 Jakub Jelinek <jakub@redhat.com>
4678 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
4679 32-bit inline asm without asm alternatives for host GCC < 3.0.
4681 2008-02-19 Richard Guenther <rguenther@suse.de>
4683 PR tree-optimization/34989
4684 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
4685 Allow propagation to INDIRECT_REF if we can simplify only.
4687 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4689 * c-common.c (warn_for_collisions_1): Use appropriate option when
4692 2008-02-19 Nick Clifton <nickc@redhat.com>
4695 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
4696 (handle_options): Fix indentation.
4697 (print_filtered_help): If no language-specific options were
4698 displayed tell the user how to list all the options supported by
4699 the language's front-end.
4700 (print_specific_help): Fix indentation and remove duplicate line.
4701 (common_handle_option): Handle the -v option.
4702 For --help enable the display of undocumented options if the -v
4703 switch has been included on the command line.
4704 For --help= check for overlaps in the arguments between the option
4705 classes and the language names and issue a warning when they
4706 cannot be disambiguated.
4707 * c.opt (v): Pass on to the common option handler.
4709 2008-02-19 Revital Eres <eres@il.ibm.com>
4711 * modulo-sched.c (sms_schedule): Change dump message when
4712 create_ddg function fails.
4713 (try_scheduling_node_in_cycle): Rename row to cycle.
4714 (print_partial_schedule): Rename CYCLE to ROW.
4716 2008-02-19 Christian Bruel <christian.bruel@st.com>
4717 Zdenek Dvorak <ook@ucw.cz>
4719 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
4721 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
4724 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
4725 (*x86_movdicc_0_m1_se): Ditto.
4727 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
4729 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
4730 (CMPtype): Define as __gcc_CMPtype.
4731 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
4732 (CMPtype): Define as __gcc_CMPtype.
4734 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
4736 Support valgrind 3.3 for --enable-checking=valgrind.
4737 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
4739 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
4740 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
4741 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
4742 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
4743 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
4744 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
4745 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
4747 * ggc-zone.c: Similar.
4748 * ggc-page.c: Similar.
4750 2008-02-19 Paul Brook <paul@codesourcery.com>
4753 * config/arm/ieee754-df.S: Fix do_it typo.
4754 * config/arm/ieee754-sf.S: Fix do_it typo.
4756 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
4759 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
4760 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
4761 (OPTION_MASK_ISA_SSE_SET): Likewise.
4762 (OPTION_MASK_ISA_SSE2_SET): Likewise.
4763 (OPTION_MASK_ISA_SSE3_SET): Likewise.
4764 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
4765 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
4766 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
4767 (OPTION_MASK_ISA_SSE4_SET): Likewise.
4768 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
4769 (OPTION_MASK_ISA_SSE5_SET): Likewise.
4770 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
4771 (OPTION_MASK_ISA_MMX_UNSET): Updated.
4772 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
4773 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
4774 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
4775 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
4776 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
4777 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
4778 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
4779 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
4780 (OPTION_MASK_ISA_SSE4): Removed.
4781 (ix86_handle_option): Turn on bits in ix86_isa_flags and
4782 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
4783 (override_options): Don't turn on implied SSE/MMX bits in
4786 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
4788 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
4791 2008-02-18 Joey Ye <joey.ye@intel.com>
4794 * tree-nested.c (insert_field_into_struct): Set type alignment
4795 to field alignment if the former is less than the latter.
4797 2008-02-18 Jakub Jelinek <jakub@redhat.com>
4799 * BASE-VER: Set to 4.4.0.
4801 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4803 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
4804 * doc/cfg.texi: Likewise.
4805 * doc/extend.texi: Likewise.
4806 * doc/gty.texi: Likewise.
4807 * doc/invoke.texi: Likewise.
4808 * doc/loop.texi: Likewise.
4809 * doc/md.texi: Likewise.
4810 * doc/passes.texi: Likewise.
4811 * doc/rtl.texi: Likewise.
4812 * doc/sourcebuild.texi: Likewise.
4813 * doc/tm.texi: Likewise.
4814 * doc/tree-ssa.texi: Likewise.
4816 2008-02-17 Richard Guenther <rguenther@suse.de>
4819 * tree-complex.c (init_parameter_lattice_values): Handle parameters
4820 without default definition.
4822 2008-02-17 Richard Guenther <rguenther@suse.de>
4824 PR tree-optimization/35231
4825 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
4828 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
4831 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4832 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
4833 libgcc_cmp_return mode.
4835 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4838 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
4840 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
4842 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
4845 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4847 * doc/c-tree.texi: Use `@.' where appropriate.
4848 * doc/extend.texi: Likewise.
4849 * doc/install.texi: Likewise.
4850 * doc/invoke.texi: Likewise.
4851 * doc/loop.texi: Likewise.
4852 * doc/makefile.texi: Likewise.
4853 * doc/md.texi: Likewise.
4854 * doc/passes.texi: Likewise.
4855 * doc/standards.texi: Likewise.
4856 * doc/tm.texi: Likewise.
4858 2008-02-15 Jakub Jelinek <jakub@redhat.com>
4861 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
4863 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
4864 rather than in entry_bb.
4866 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4868 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
4869 libgcc_cmp_return mode.
4871 2008-02-15 Jakub Jelinek <jakub@redhat.com>
4874 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
4875 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
4877 2008-02-15 Richard Guenther <rguenther@suse.de>
4878 Zdenek Dvorak <ook@ucw.cz>
4880 PR tree-optimization/35164
4881 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
4882 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
4883 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
4884 Only propagate addresses which do not have abnormal SSA_NAMEs
4887 2008-02-15 Joseph Myers <joseph@codesourcery.com>
4890 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
4892 2008-02-15 Jan Hubicka <jh@suse.cz>
4895 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
4897 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4900 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
4901 when calculating alignment_pad.
4903 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4905 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
4906 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
4907 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
4908 and STACK_BOUNDARY define.
4910 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
4912 PR preprocessor/35061
4913 * c-pragma.c (handle_pragma_pop_macro): Check that
4914 pushed_macro_table has been allocated.
4916 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
4919 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
4920 (force_gimple_operand): Likewise.
4921 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
4922 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
4923 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
4924 (find_interesting_uses_address): Check addressability and alignment
4925 of the base expression only after substituting bases of IVs into it.
4927 2008-02-14 Michael Matz <matz@suse.de>
4930 * function.c (instantiate_virtual_regs_in_insn): Reload address
4931 before falling back to reloading the whole operand.
4933 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
4935 * config/s390/s390.c (s390_mainpool_start): Emit the pool
4936 before the first section switch note.
4938 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4940 * doc/bugreport.texi: Update copyright years.
4941 * doc/c-tree.texi: Likewise.
4942 * doc/cfg.texi: Likewise.
4943 * doc/cpp.texi: Likewise.
4944 * doc/cppinternals.texi: Likewise.
4945 * doc/fragments.texi: Likewise.
4946 * doc/frontends.texi: Likewise.
4947 * doc/gcc.texi: Likewise.
4948 * doc/gty.texi: Likewise.
4949 * doc/hostconfig.texi: Likewise.
4950 * doc/implement-c.texi: Likewise.
4951 * doc/libgcc.texi: Likewise.
4952 * doc/loop.texi: Likewise.
4953 * doc/makefile.texi: Likewise.
4954 * doc/options.texi: Likewise.
4955 * doc/passes.texi: Likewise.
4956 * doc/rtl.texi: Likewise.
4957 * doc/sourcebuild.texi: Likewise.
4958 * doc/standards.texi: Likewise.
4959 * doc/tree-ssa.texi: Likewise.
4960 * doc/trouble.texi: Likewise.
4962 * doc/extend.texi: Use @: or add comma where appropriate.
4963 * doc/invoke.texi: Likewise.
4964 * doc/tm.texi: Likewise.
4966 2008-02-14 Alan Modra <amodra@bigpond.net.au>
4969 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
4972 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
4974 * doc/md.texi (clz, ctz): Add reference.
4975 * doc/rtl.texi (clz, ctz): Likewise.
4977 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4980 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
4983 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
4985 * config/s390/s390.c (struct constant_pool): New field
4986 emit_pool_after added.
4987 (s390_mainpool_start): Set the emit_pool_after flag according
4988 to the section switch notes.
4989 (s390_mainpool_finish): Consider emit_pool_after when emitting
4990 the literal pool at the end of the function.
4991 (s390_chunkify_start): Force literal pool splits at section
4994 2008-02-13 Michael Matz <matz@suse.de>
4997 * var-tracking.c (clobber_variable_part): Correctly traverse the
5000 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5003 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
5004 Add -fdump-ipa-inline.
5005 * tree-dump.c (dump_files): Remove tree-inlined dump.
5006 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
5008 2008-02-12 Richard Guenther <rguenther@suse.de>
5010 PR tree-optimization/35171
5011 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
5014 2008-02-12 Richard Guenther <rguenther@suse.de>
5017 * fold-const.c (fold_widened_comparison): Use get_unwidened in
5018 value-preserving mode. Disallow final truncation.
5020 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
5023 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
5024 code from here to...
5025 (force_gimple_operand): ...here.
5027 2008-02-12 Jakub Jelinek <jakub@redhat.com>
5030 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
5031 non-compatible pointers.
5032 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
5033 different FIELD_DECLs, try harder by comparing field offsets, sizes
5037 * function.c (match_asm_constraints_1): Don't replace the same input
5040 2008-02-12 Anatoly Sokolov <aesok@post.ru>
5042 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
5043 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
5044 (expand_epilogue): Restore RAMPZ register.
5045 * config/avr/avr.md (RAMPZ_ADDR): New constant.
5047 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
5049 * config/i386/cygwin.asm: (__alloca): Correct calling
5050 convention and alignment.
5051 (__chkstk): Force 8 byte stack alignment.
5053 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
5054 Richard Guenther <rguenther@suse.de>
5056 PR tree-optimization/33992
5057 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
5058 the zero we compare against.
5060 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
5063 * gthr-win32.h (__gthread_mutex_destroy_function): New function
5064 to CloseHandle after unlocking to prevent accumulation of handle
5067 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5070 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
5071 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
5072 and update LABEL_NUSES during and after reload.
5074 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
5077 * combine.c (simplify_if_then_else): Make sure the comparison is
5078 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
5080 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
5083 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
5084 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
5085 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
5086 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
5087 * tree.h (get_type_static_bounds): Likewise.
5089 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5091 * doc/invoke.texi (Option Summary, C++ Dialect Options)
5092 (Objective-C and Objective-C++ Dialect Options, Warning Options):
5093 Make -Wfoo language annotations match what the compiler outputs.
5095 2008-02-08 Sa Liu <saliu@de.ibm.com>
5097 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
5098 intrinsics spu_convts, spu_convtu, spu_convtf.
5099 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
5101 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
5103 * doc/extend.texi (Function Attributes) <noinline>: Mention
5104 asm ("") as method to keep calls.
5106 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5109 * doc/options.texi (Options): Replace references to opts.sh with
5111 * opts-common.c: Likewise.
5112 * optc-gen.awk: Likewise.
5114 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
5116 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
5118 2008-02-07 Richard Henderson <rth@redhat.com>
5121 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
5122 EXPR_LIST for the REG_EQUAL instead of a comparison with a
5125 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
5127 PR tree-optimization/35085
5128 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
5129 for operand entry oe2 in addition to operand entry oe3 in order to
5130 expose more opportunities for vectorizer sum reduction.
5132 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5135 * Makefile.in (LIBS): Remove $(GMPLIBS).
5136 (cc1-dummy, cc1): Add $(GMPLIBS).
5138 2008-02-06 Jan Hubicka <jh@suse.cz>
5141 * i386.md (moddf_integer): Do not produce partial memory stalls for
5142 targets where it hurts.
5144 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
5147 * optabs.c (expand_float): Do not check for decimal modes when
5148 expanding unsigned integer through signed conversion.
5150 2008-02-06 Nick Clifton <nickc@redhat.com>
5152 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
5153 inside the clobber with a match_operand and duplicated operand
5154 number in the constraint.
5155 (ineqbranchsi): Delete redundant comment.
5157 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
5159 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
5160 builtin_define ("__USE_INIT_FINI__").
5161 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
5163 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
5165 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5167 PR documentation/30330
5168 * doc/invoke.texi (C++ Dialect Options)
5169 (Objective-C and Objective-C++ Dialect Options, Warning Options):
5170 For each warning option -Wfoo that allows -Wno-foo, ensure both
5171 -Wfoo and -Wno-foo are listed in the option index. Fix index
5172 entry of -Wswitch-default, index -Wnormalized= including the
5173 `=', and -Wlarger-than-@var{len} including @var{len}.
5175 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
5177 * config/i386/i386.md (floatunssisf2): Use
5178 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
5179 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
5180 Macroize expander using MODEF mode iterator.
5182 2008-02-05 Diego Novillo <dnovillo@google.com>
5184 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
5187 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
5189 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5192 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
5194 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
5197 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
5198 to indicate if a message should be generated.
5199 (init_cumulative_args): Updated.
5200 (function_value_32): Likewise.
5202 2008-02-05 Joseph Myers <joseph@codesourcery.com>
5204 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
5206 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
5209 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
5210 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
5212 2008-02-04 Diego Novillo <dnovillo@google.com>
5214 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
5217 * tree-vrp.c (vrp_evaluate_conditional): With
5218 -Wtype-limits, emit a warning when comparing against a
5219 constant outside the natural range of OP0's type.
5221 2008-02-04 Richard Guenther <rguenther@suse.de>
5224 * expr.c (count_type_elements): Give for unions instead of
5227 2008-02-04 Richard Guenther <rguenther@suse.de>
5230 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
5231 to TYPE_DOMAINs base type instead of using bitsizetype here.
5233 2008-02-03 Jason Merrill <jason@redhat.com>
5235 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
5237 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5240 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
5241 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
5242 (RS/6000 and PowerPC Options): Fix typos and markup.
5243 * doc/passes.texi (Tree-SSA passes): Likewise.
5245 2008-02-02 Michael Matz <matz@suse.de>
5248 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
5249 from record_last_reg_set_info.
5250 (record_last_reg_set_info): Take an RTX argument, iterate over all
5251 constituent hardregs.
5252 (record_last_set_info, record_opr_changes): Change calls to
5253 new signature or to record_last_reg_set_info_regno.
5255 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
5257 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
5259 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
5261 PR rtl-optimization/34773
5262 * reg-notes.def (EQUAL): Mention significance of combination of
5263 REG_EQUAL and REG_RETVAL.
5264 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
5265 insn that has a REG_RETVAL.
5267 2008-02-01 Roger Sayle <roger@eyesopen.com>
5270 * configure.ac (--enable-fixed-point): Disable unless explicitly
5272 * configure: Regenerate.
5274 2008-02-01 Richard Guenther <rguenther@suse.de>
5277 * invoke.texi (-finline-limit): Remove no longer true parts
5278 of the documentation. Note that there is no default value.
5280 2008-02-01 Andrew Pinski <pinskia@gmail.com>
5281 Mark Mitchell <mark@codesourcery.com>
5282 Ben Elliston <bje@au.ibm.com>
5285 * doc/extend.texi (Other Builtins): Document.
5287 2008-01-31 Tom Browder <tom.browder@gmail.com>
5289 * doc/c-tree.texi (Types): Fix grammar.
5290 (Expression trees): Ditto.
5291 * doc/passes.texi (Tree-SSA passes): Ditto.
5293 * doc/configterms.texi (Configure Terms): Fix typo.
5294 * doc/cpp.texi (Common Predefined Macros): Ditto.
5295 * doc/md.texi (Machine Constraints): Ditto.
5297 * doc/makefile.texi (Makefile): Add comma.
5299 2008-01-31 Tom Browder <tom.browder@gmail.com>
5300 Gerald Pfeifer <gerald@pfeifer.com>
5302 * doc/sourcebuild.texi (Front End): Remove references to CVS
5303 and CVSROOT/modules.
5304 (Texinfo Manuals): Replace reference to CVS by one to SVN.
5305 (Back End): Remove reference to CVS.
5307 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
5310 * config/mips/mips.c (gen_load_const_gp): New function, taking a
5312 (mips16_gp_pseudo_reg): ...here.
5313 * config/mips/mips.md (load_const_gp): Replace with...
5314 (load_const_gp_<mode>): ...this :P-based insn.
5316 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5318 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
5319 options. Minor fixes.
5320 (-std): Move reference to standards closer to where language
5321 standards are first mentioned.
5323 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
5325 PR rtl-optimization/34995
5326 * reload.c (alternative_allows_const_pool_ref): Take an rtx
5327 parameter and return a bool. If the rtx parameter is nonnull,
5328 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
5329 (find_reloads): Update call accordingly. Pass the new operand
5330 if it needed no address reloads, otherwise pass null.
5332 2008-01-30 Richard Henderson <rth@redhat.com>
5335 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
5336 for unbounded arrays.
5338 2008-01-30 Silvius Rus <rus@google.com>
5340 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
5342 2008-01-30 Jan Hubicka <jh@suse.cz>
5345 * i386.c (init_cumulative_args): Use real function declaration when
5348 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
5350 PR rtl-optimization/34998
5351 * global.c (build_insn_chain): Treat non-subreg_lowpart
5352 SUBREGs of pseudos as clobbering all the words covered by the
5353 SUBREG, not just all the bytes.
5354 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
5355 original df_ref rather than an extract parameter.
5356 (global_conflicts): Update call accordingly.
5358 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
5360 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
5361 the overflow check to make it easier to read.
5362 (__fixtfdi): Change the type of the ll member in union
5363 long_double to UDItype_x.
5365 2008-01-30 Jakub Jelinek <jakub@redhat.com>
5368 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
5369 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
5370 * tree-inline.c (fold_marked_statements): Call
5371 cgraph_update_edges_for_call_stmt if folding a call statement.
5372 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
5373 debug_generic_stmt calls, reset it back afterwards.
5376 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
5378 * c-typeck.c (build_external_ref): Don't pedwarn about
5379 static vars in current function's scope.
5381 2008-01-29 Joseph Myers <joseph@codesourcery.com>
5383 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
5385 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
5388 * ipa-struct-reorg.c: Fix spelling.
5389 * params.def: Ditto.
5391 2008-01-29 Richard Guenther <rguenther@suse.de>
5394 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
5396 * tree-inline.c (remap_type): Increment remapping_type_depth
5397 around remapping types.
5398 (copy_body_r): Only add referenced variables if they are referenced
5399 from code, not types.
5401 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
5412 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
5413 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
5415 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
5418 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
5419 pointer for tiny stack.
5421 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
5423 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
5425 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
5427 * config/vx-common.h: Fix typo in comment.
5429 2008-01-28 Ian Lance Taylor <iant@google.com>
5433 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
5434 coalesce pointers if they have different DECL_NO_TBAA_P values.
5435 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
5436 between variables with different DECL_NO_TBAA_P values.
5438 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
5441 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
5442 are not legitimate small data references on SPE targets.
5444 2008-01-28 David Daney <ddaney@avtrex.com>
5446 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
5448 2008-01-28 David Daney <ddaney@avtrex.com>
5450 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
5452 2008-01-27 Joseph Myers <joseph@codesourcery.com>
5454 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
5455 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
5456 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
5457 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
5458 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
5459 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
5460 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
5461 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
5463 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5465 * basic-block.h (condjump_equiv_p): Fix comment.
5467 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5469 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
5470 print_generic_stmt_indented): Fix comment.
5472 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5474 * configure.ac (__stack_chk_fail): Add detecion for availability
5475 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
5476 * configure: Regenerate.
5478 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
5481 * final.c (output_addr_const): Handle TRUNCATE.
5483 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
5486 * tree-ssa-loop-ivopts.c (comp_cost): New type.
5487 (zero_cost, infinite_cost): New constants.
5488 (struct cost_pair): Change type of cost to comp_cost.
5489 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
5490 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
5492 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
5493 split_address_cost, ptr_difference_cost, difference_cost,
5494 get_computation_cost_at, get_computation_cost,
5495 determine_use_iv_cost_generic, determine_use_iv_cost_address,
5496 determine_use_iv_cost_condition, determine_use_iv_costs,
5497 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
5498 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
5499 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
5500 Change type of cost to comp_cost.
5501 (determine_iv_cost): Increase cost of non-original ivs, instead
5502 of decreasing the cost of original ones.
5503 (get_address_cost): Indicate the complexity of the addressing mode
5505 (try_add_cand_for): Prefer using ivs not specific to some object.
5506 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
5508 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
5509 Janis Johnson <janis187@us.ibm.com>
5512 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
5513 (TARGET_INSTANTIATE_DECLS): Likewise.
5514 * target.h (expand_to_rtl_hook): New target hook.
5515 (instantiate_decls): Likewise.
5516 * function.c (instantiate_decl): Make non-static. Rename to...
5517 (instantiate_decl_rtl): ... this.
5518 (instantiate_expr): Use instantiate_decl_rtl.
5519 (instantiate_decls_1): Likewise.
5520 (instantiate_decls): Likewise.
5521 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
5522 * function.h (instantiate_decl_rtl): Add prototype.
5523 * cfgexpand.c (target.h): New include.
5524 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
5525 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
5526 (TARGET_INSTANTIATE_DECLS): Likewise.
5527 (TARGET_INITIALIZER): New target hooks added.
5528 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
5530 * config/rs6000/rs6000.c (tree-flow.h): New include.
5531 (machine_function): Add sdmode_stack_slot field.
5532 (rs6000_alloc_sdmode_stack_slot): New function.
5533 (rs6000_instantiate_decls): Likewise.
5534 (rs6000_secondary_memory_needed_rtx): Likewise.
5535 (rs6000_check_sdmode): Likewise.
5536 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
5537 (TARGET_INSTANTIATE_DECLS): Likewise.
5538 (rs6000_hard_regno_mode_ok): Allow SDmode.
5539 (num_insns_constant): Likewise. Handle _Decimal32 constants.
5540 (rs6000_emit_move): Handle SDmode.
5541 (function_arg_advance): Likewise.
5542 (function_arg): Likewise.
5543 (rs6000_gimplify_va_arg): Likewise. Add special handling of
5544 SDmode var args for 32-bit compiles.
5545 (rs6000_secondary_reload_class): Handle SDmode.
5546 (rs6000_output_function_epilogue): Likewise.
5547 (rs6000_function_value): Simplify if statement.
5548 (rs6000_libcall_value): Likewise.
5549 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
5550 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
5551 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
5552 (movsd_hardfloat): New define_insn.
5553 (movsd_softfloat): Likewise.
5554 (movsd_store): Likewise.
5555 (movsd_load): Likewise.
5556 (extendsddd2): Likewise.
5557 (extendsdtd2): Likewise.
5558 (truncddsd2): Likewise.
5559 (movdd_hardfloat64): Fixup comment.
5560 (UNSPEC_MOVSD_LOAD): New constant.
5561 (UNSPEC_MOVSD_STORE): Likewise.
5563 2008-01-26 Jakub Jelinek <jakub@redhat.com>
5566 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
5568 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
5569 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
5570 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
5573 2008-01-26 David Edelsohn <edelsohn@gnu.org>
5576 * config.gcc: Separate AIX 5.3 from AIX 6.1.
5577 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5578 __LONGDOUBLE128 too.
5579 * config/rs6000/aix61.h: New file.
5581 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
5583 PR rtl-optimization/34959
5584 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
5585 popcount and parity rtxes the same mode as their operand.
5586 Truncate or extend the result to the return value's mode
5589 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
5592 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
5593 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
5594 to GOT_VERSION_REGNUM.
5595 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
5596 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
5597 * config/mips/mips.c (mips_emit_call_insn): New function.
5598 (mips_call_tls_get_addr): Call mips_expand_call directly.
5599 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
5601 (mips16_build_call_stub): Likewise. Return the call insn or null.
5602 (mips_expand_call): Update the call to mips16_build_call_stub
5603 accordingly and a remove redundant condition. Assert that MIPS16
5604 stubs do not use lazy binding. Use mips_emit_call_insn and return
5606 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
5608 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
5609 (mips_avoid_hazard): Remove hazard_set handling.
5610 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
5611 (UNSPEC_RESTORE_GP): ...this.
5612 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
5613 (FAKE_CALL_REGNO): Rename to...
5614 (GOT_VERSION_REGNUM): ...this.
5615 (type): Add "ghost" value. Add an associated insn reservation.
5616 (hazard_set): Remove.
5617 (exception_receiver): Rename to...
5618 (restore_gp): ...this and update the unspec identifier accordingly.
5619 (exception_receiver, nonlocal_got_receiver): New expanders.
5620 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
5621 FAKE_CALL_REGNO. Remove hazard_set attribute.
5622 (set_got_version, update_got_version): New patterns.
5624 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
5627 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
5629 2008-01-25 Joseph Myers <joseph@codesourcery.com>
5632 * doc/install.texi2html: Generate gcc-vers.texi.
5634 2008-01-25 DJ Delorie <dj@redhat.com>
5636 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
5638 2008-01-25 Joseph Myers <joseph@codesourcery.com>
5640 * config/c4x: Remove directory.
5641 * config.gcc (crx-*, mt-*): Mark obsolete.
5642 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
5643 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
5644 sh-*-rtemscoff*): Remove cases.
5645 * defaults.h (C4X_FLOAT_FORMAT): Remove.
5646 * real.c (encode_c4x_single, decode_c4x_single,
5647 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
5648 c4x_extended_format): Remove.
5649 * real.h (c4x_single_format, c4x_extended_format): Remove.
5650 * doc/extend.texi (interrupt, naked): Remove mention of attributes
5652 (Pragmas): Remove comment about c4x pragmas.
5653 * doc/install.texi (c4x): Remove target-specific instructions.
5654 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
5655 * doc/md.texi (Machine Constraints): Remove C4x documentation.
5656 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
5657 refer to C4x source files as examples.
5658 (C4X_FLOAT_FORMAT): Remove documentation.
5660 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
5662 * config/bfin/bfin.c (override_options): Reorder tests so that
5663 flag_pic gets enabled for -msep-data.
5665 2008-01-25 Richard Guenther <rguenther@suse.de>
5668 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
5669 to its bitfield precision if required.
5671 2008-01-25 Jakub Jelinek <jakub@redhat.com>
5674 * tree-nested.c (walk_omp_for): New function.
5675 (convert_nonlocal_reference, convert_local_reference): Call
5676 walk_omp_for on OMP_FOR.
5677 (convert_call_expr): Call walk_body on OMP_FOR's
5678 OMP_FOR_PRE_INIT_BODY.
5680 2008-01-25 Richard Guenther <rguenther@suse.de>
5682 PR tree-optimization/34966
5683 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
5684 default defs and PHI_NODEs we have to insert after the
5687 2008-01-24 Nick Clifton <nickc@redhat.com>
5689 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
5690 Provide a default definition.
5691 (LIBGCC2_UNITS_PER_WORD): Likewise.
5693 * config/stormy16/stormy16.c: Include df.h for the prototype
5694 for df_regs_ever_live_p.
5695 (xstormy16_expand_builtin_va_start): Convert the stack offset
5696 into a component_ref and then use POINTER_PLUS_EXPR to add it
5697 to the incoming_virtual_args_rtx.
5698 (xstormy16_gimplify_va_arg_expr): Rename to
5699 xstormy16_gimplify_va_arg_expr.
5700 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
5701 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
5702 xstormy16_gimplify_va_arg_expr.
5703 Fix up some formatting issues.
5705 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
5706 Move to predicates.md.
5707 (xs_hi_general_operand): Likewise.
5708 (xs_hi_nonmemory_operand): Likewise.
5709 * config/stormy16/predicates.md:
5710 (xstormy16_carry_plus_operand): New predicate.
5711 (xs_hi_general_operand): New predicate.
5712 (xs_hi_nonmemory_operand): New predicate.
5713 * config/stormy16/stormy16-protos.h:
5714 (xstormy16_carry_plus_operand): Delete prototype.
5715 (xs_hi_general_operand): Likewise.
5716 (xs_hi_nonmemory_operand): Likewise.
5718 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
5719 modifiers as they are no longer needed and they can trigger
5720 reload spill failures.
5722 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
5723 with a match_operand in order to help reload.
5725 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
5726 constraint with 'e' for the 8th alternative as this version of
5727 the mov.w instruction only accepts the lower 8 registers.
5729 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
5732 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
5733 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
5736 2008-01-25 Jakub Jelinek <jakub@redhat.com>
5739 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
5741 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
5743 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
5745 (remove_structure): Update allocations list before removing structure.
5747 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
5749 * ipa-struct-reorg.c (is_safe_cond_expr,
5750 create_new_stmts_for_cond_expr): Use integer_zerop function,
5751 that recognize not only zero-pointer, but zero-integer too.
5753 2008-01-25 Ben Elliston <bje@au.ibm.com>
5756 * fixproto: Escape "." in sed expression that strips leading "./".
5758 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
5761 * gcc.c (SWITCH_OK): Removed.
5762 (SWITCH_LIVE): Changed to bit.
5763 (SWITCH_FALSE): Likewise.
5764 (SWITCH_IGNORE): Likewise.
5765 (switchstr): Change live_cond to unsigned int.
5766 (process_command): Replace SWITCH_OK with 0.
5767 (do_self_spec): Likewise.
5768 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
5769 (give_switch): Likewise.
5770 (used_arg): Likewise.
5771 (do_spec_1): Set the SWITCH_IGNORE bit.
5772 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
5773 bits. Set the SWITCH_LIVE bit.
5775 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
5777 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
5779 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
5781 PR tree-optimization/34472
5782 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
5783 parameter to a "bool *" and set *DATA to false if there is
5784 an unsafe access. Do not delete the structure here.
5785 (check_cond_exprs): Delete it here instead.
5786 (check_cond_exprs, exclude_cold_structs): Do not increase
5787 I when removing a structure.
5789 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
5792 * config/i386/i386.c (ix86_expand_vector_init): Consider only
5793 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
5795 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
5798 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
5799 a fixed vector for stack.
5801 2008-01-24 Ben Elliston <bje@au.ibm.com>
5804 * doc/gcc.texi (Software development): Add a direntry for g++.
5806 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
5808 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
5809 stale and straggling -fforce-addr comments above.
5811 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
5813 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
5814 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
5816 2008-01-23 Michael Matz <matz@suse.de>
5819 * dwarf2out.c (force_type_die): Use modified_type_die instead of
5822 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
5824 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
5827 2008-01-23 Anatoly Sokolov <aesok@post.ru>
5829 * config/avr/avr.c (avr_current_arch): New variable.
5830 (avr_arch_types): Add 'avr31' and 'avr51' entries.
5831 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
5832 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
5833 (avr_override_options): Init 'avr_current_arch'.
5834 (base_arch_s): Move from here...
5835 * config/avr/avr.h (base_arch_s): ... here. Add new members
5836 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
5837 'mega' to 'have_jmp_call'.
5838 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
5839 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
5841 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
5843 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
5844 MULTILIB_MATCHES): (Ditto.).
5846 2008-01-23 Richard Guenther <rguenther@suse.de>
5849 * cgraphunit.c (cgraph_reset_node): Always mark the node
5850 not reachable if it is not queued already.
5852 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
5854 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
5855 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
5856 (cputype_selected): New static variable.
5857 (bfin_handle_option): Set it if -mcpu is used.
5858 (override_option): Select default set of workarounds if no cpu type
5859 selected on the command line.
5860 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
5862 From Michael Frysinger <michael.frysinger@analog.com>
5863 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
5864 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
5866 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
5867 for bf547, bf523, bf524, and bf526.
5868 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
5870 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5871 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
5872 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
5873 __ADSPBF547__ and __ADSPBF54x__ for bf547.
5874 * doc/invoke.texi (Blackfin Options): Document that
5875 -mcpu now accept bf547, bf523, bf524, and bf526.
5877 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
5879 PR rtl-optimization/34628
5880 * combine.c (try_combine): Stop and undo after the first combination
5881 if an autoincrement side-effect on the first insn has effectively
5884 2008-01-22 David Edelsohn <edelsohn@gnu.org>
5887 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
5888 Offset addresses are not valid for Altivec or paired float modes.
5890 2008-01-22 Jakub Jelinek <jakub@redhat.com>
5893 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
5894 if DECL_INITIAL (decl) is error_mark_node.
5897 * c-common.c (handle_vector_size_attribute): Only allow
5898 integral, scalar float and fixed point types. Handle OFFSET_TYPE
5899 the same way as pointer, array etc. types.
5900 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
5903 * tree.c (build_type_attribute_qual_variant): Call
5904 build_qualified_type if attributes are equal, but quals are not.
5906 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5909 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
5910 * flags.h (warn_strict_aliasing): Remove.
5911 (warn_strict_overflow): Remove.
5912 * opts.c (warn_strict_aliasing): Remove.
5913 (warn_strict_overflow): Remove.
5914 * c-opts.c (c_common_handle_option): -Wall only sets
5915 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
5916 (c_common_post_options): Give default values to -Wstrict-aliasing
5917 and -Wstrict-overflow if they are uninitialized.
5918 * common.opt (Wstrict-aliasing): Specify Var and Init.
5919 (Wstrict-overflow): Likewise.
5921 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5923 PR rtl-optimization/26854
5924 PR rtl-optimization/34400
5925 PR rtl-optimization/34884
5926 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
5928 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
5929 (df_rd_bb_info.expanded_lr_out): Deleted
5930 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
5931 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
5932 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5933 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5934 Removed code to allocate, initialize or free expanded_lr_out.
5935 (df_rd_bb_local_compute_process_def): Restructured to make more
5937 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
5938 sets if the sets are being trimmed.
5940 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
5943 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
5944 (as_vers): Likewise.
5945 * configure: Regenerated.
5947 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5950 * tree-pass.h (pass_build_alias): New pass.
5951 * tree-ssa-alias.c (gate_build_alias): New.
5952 (pass_build_alias): New.
5953 * passes.c (init_optimization_passes): Add pass_build_alias after
5954 pass_create_structure_vars.
5956 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
5958 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
5959 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
5960 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
5961 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
5962 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
5963 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
5964 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
5965 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
5966 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
5967 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
5968 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
5969 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
5970 * config/s390/s390.md (FP_ALL): New mode iterator.
5971 (_d): New mode attribute.
5972 ("*signbit<mode>2>"): Changed mode of first operand.
5973 ("isinf<mode>2"): Changed mode of first operand.
5974 ("*TDC_insn"): Adaptation for DFP modes.
5976 2008-01-22 Ben Elliston <bje@au.ibm.com>
5978 * tree.c (check_qualified_type): Improve function description.
5980 2008-01-21 Jason Merrill <jason@redhat.com>
5983 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
5984 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
5987 2008-01-21 DJ Delorie <dj@redhat.com>
5989 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
5992 2008-01-21 Richard Guenther <rguenther@suse.de>
5995 * tree-cfg.c (verify_expr): Allow all invariant expressions
5996 instead of just constant class ones as reference argument.
5997 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
5998 like any other constant.
5999 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
6001 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
6003 * regmove.c (fixup_match_1): Update call crossed frequencies.
6005 2008-01-21 Richard Guenther <rguenther@suse.de>
6008 * tree-inline.c (setup_one_parameter): Deal with mismatched
6009 types using a VIEW_CONVERT_EXPR.
6011 2008-01-21 Alon Dayan <alond@il.ibm.com>
6012 Olga Golovanevsky <olga@il.ibm.com>
6014 PR tree-optimization/34701
6015 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
6016 when the structure size is not a power of 2.
6018 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
6020 * doc/install.texi: Add doc for --enable-checking=df.
6022 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
6024 PR rtl-optimization/34808
6025 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
6027 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
6029 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
6032 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6034 PR rtl-optimization/26854
6035 PR rtl-optimization/34400
6036 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
6038 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
6039 (df_rd_bb_info.expanded_lr_out): New.
6040 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
6041 * loop_iv.c (iv_analysis_loop_init): Ditto.
6042 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
6043 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
6044 Added code to allocate, initialize or free expanded_lr_out.
6045 (df_rd_bb_local_compute_process_def): Restructured to make
6046 more understandable.
6047 (df_rd_confluence_n): Add code to do nothing with fake edges and
6048 code to no apply invalidate_by_call sets if the sets are being trimmed.
6049 (df_lr_local_finalize): Renamed to df_lr_finalize.
6050 (df_live_local_finalize): Renamed to df_live_finalize.
6052 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
6055 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
6056 deciding whether to use reciprocal instructions.
6058 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
6060 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
6061 dwarf2out_note_section_used if cold_text_section is NULL.
6063 2008-01-19 Jakub Jelinek <jakub@redhat.com>
6065 PR gcov-profile/34610
6066 * tree-cfg.c (make_edges): Mark both outgoing edges from
6067 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
6068 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
6069 from OMP_FOR and OMP_CONTINUE outgoing edges.
6071 * tree-profile.c (tree_profiling): Return early if
6072 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
6074 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
6075 from cfun to child_cfun.
6076 * function.h (struct function): Add after_tree_profile bit.
6078 2008-01-19 Anatoly Sokolov <aesok@post.ru>
6080 * config/avr/avr.S (_exit): Disable interrupt.
6082 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
6083 Steven Bosscher <stevenb.gcc@gmail.com>
6085 PR rtl-optimization/26854
6086 PR rtl-optimization/34400
6087 * df-problems.c (df_live_scratch): New scratch bitmap.
6088 (df_live_alloc): Allocate df_live_scratch when doing df_live.
6089 (df_live_reset): Clear the proper bitmaps.
6090 (df_live_bb_local_compute): Only process the artificial defs once
6091 since the order is not important.
6092 (df_live_init): Init the df_live sets only with the variables
6093 found live by df_lr.
6094 (df_live_transfer_function): Use the df_lr sets to prune the
6095 df_live sets as they are being computed.
6096 (df_live_free): Free df_live_scratch.
6098 2008-01-18 Ian Lance Taylor <iant@google.com>
6100 * common.opt: Add fmerge-debug-strings.
6101 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
6102 flag_merge_debug_strings rather than flag_merge_constants.
6103 * doc/invoke.texi (Option Summary): Mention
6104 -fmerge-debug-strings.
6105 (Debugging Options): Document -fmerge-debug-strings.
6107 2008-01-18 Ian Lance Taylor <iant@google.com>
6110 * tree.h (DECL_IS_OPERATOR_NEW): Define.
6111 (struct tree_function_decl): Add new field operator_new_flag.
6112 * tree-inline.c (expand_call_inline): When inlining a call to
6113 operator new, force the return value to go into a variable, and
6114 set DECL_NO_TBAA_P on that variable.
6115 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
6117 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
6120 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
6121 DWARF2_DEBUGGING_INFO.
6122 (dwarf2out_note_section_used): Ditto. Add prototype.
6123 (have_multiple_function_sections, text_section_used,
6124 cold_text_section_used, *cold_text_sections): Move declarations
6127 2008-01-17 Bob Wilson <bob.wilson@acm.org>
6129 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
6130 field and add signal_ra.
6131 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
6132 assignments to frame state pc. Move end of stack check after
6133 MD_FALLBACK_FRAME_STATE_FOR.
6134 (uw_update_context_1): Use frame state signal_regs if set, instead
6135 of checking signal_frame flag.
6136 (uw_update_context): Use frame state signal_ra if set.
6137 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
6138 * config/xtensa/linux-unwind.h: New file.
6140 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
6142 * modulo-sched.c (get_sched_window): Fix comment typo.
6144 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
6146 PR tree-optimization/34648
6147 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
6149 2008-01-17 Anatoly Sokolov <aesok@post.ru>
6151 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
6152 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
6154 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
6156 PR rtl-optimization/34400
6157 * df-core.c (df_worklist_dataflow_overeager,
6158 df_worklist_dataflow_doublequeue): New functions.
6159 (df_worklist_dataflow): Two different worklist solvers.
6160 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
6163 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6166 * doc/invoke.texi: Document the dependence on pthread for fopenmp
6167 and ftree-parallelize-loops.
6169 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
6171 PR rtl-optimization/34826
6172 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
6174 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
6176 * global.c (find_reg): Mark the eh regs as used if necessary.
6177 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
6178 * ra.h (struct allocno): no_eh_reg field added. Changed
6179 no_stack_reg type to bitfield.
6181 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
6183 * tree.c (substitute_in_expr): Add missing 'break'.
6185 2008-01-17 Richard Guenther <rguenther@suse.de>
6187 PR tree-optimization/34825
6188 * tree-ssa-math-opts.c (is_division_by): Do not recognize
6189 x / x as division to handle.
6191 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6193 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
6194 "-pthread" is specified.
6195 * pa-hpux11.h (LIB_SPEC): Likewise.
6197 2008-01-16 Janis Johnson <janis187@us.ibm.com>
6198 Peter Bergner <bergner@vnet.ibm.com>
6200 PR rtl-optimization/33796
6201 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
6203 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6205 PR libgfortran/34699
6206 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
6208 * pa-hpux10.h (LINK_SPEC): Likewise.
6209 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
6211 2008-01-16 Richard Guenther <rguenther@suse.de>
6214 * fold-const.c (fold_convert_const_int_from_int): Do not
6215 set overflow if that occured only because of a sign extension
6216 change when converting from/to a sizetype with the same
6217 precision and signedness.
6219 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
6222 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
6223 location address to the correct place. Update copyright year.
6225 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6227 * lambda-code.c (lambda_transform_legal_p): Handle the case of
6228 no dependences in the dependence_relations vector.
6230 2008-01-16 Jan Hubicka <jh@suse.cz>
6232 PR rtl-optimization/31396
6233 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
6234 * cfg.c (dump_reg_info): Print it.
6235 * regs.h (struct reg_info_t): add freq_calls_crossed.
6236 (REG_FREQ_CALLS_CROSSED): New macro.
6237 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
6238 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
6239 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
6240 regmove_optimize): Update call crossed frequencies.
6241 * local-alloc.c (struct qty): Add freq_calls_crossed.
6242 (alloc_qty): Copute freq_calls_crossed.
6243 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
6244 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
6245 * ra.h (struct allocno): Add freq_calls_crossed.
6247 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6249 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
6250 libgomp when compiling with ftree-parallelize-loops.
6251 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
6253 2008-01-16 Richard Guenther <rguenther@suse.de>
6255 PR tree-optimization/34769
6256 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
6257 * tree.c (int_cst_value): Instead make this function more
6258 permissive in what it accepts as valid input. Document this
6259 function always sign-extends the value.
6261 2008-01-16 Jakub Jelinek <jakub@redhat.com>
6262 Richard Guenther <rguenther@suse.de>
6265 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
6266 (gimple_fold_indirect_ref_rhs): ... this.
6267 (gimple_fold_indirect_ref): New function with foldings
6268 that preserve lvalueness.
6269 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
6270 * tree-flow.h (gimple_fold_indirect_ref): Declare.
6271 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
6272 to fold an INDIRECT_REF, fall back to the old use of
6273 fold_indirect_ref_1.
6275 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6277 * tree-data-ref.c (subscript_dependence_tester_1): Call
6278 free_conflict_function.
6279 (compute_self_dependence): Same.
6281 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
6284 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
6285 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
6287 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
6288 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
6289 for DWARF2_UNWIND_INFO targets.
6291 2008-01-16 Richard Guenther <rguenther@suse.de>
6294 * c-typeck.c (common_pointer_type): Do not merge inconsistent
6295 type qualifiers for function types.
6297 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
6299 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
6300 loop_iterator li from previous commit.
6302 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
6304 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
6306 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
6308 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
6309 (parallelize_loops): Don't parallelize irreducible components.
6311 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6314 * c-opts (c_common_post_options): Do not enable CPP
6315 flag_pedantic_errors by default.
6317 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
6319 PR rtl-optimization/31944
6320 * cse.c (remove_pseudo_from_table): New function.
6321 (merge_equiv_classes): Use above function to remove pseudo-registers.
6322 (invalidate): Likewise.
6324 2008-01-13 Richard Guenther <rguenther@suse.de>
6327 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
6328 instead of TYPE_MODE to deal with calls from expand_one_error_var.
6330 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
6332 * gcse.c (cprop_jump): Call validate_unshare_change instead of
6333 validate_change to unshare the source of the PC set.
6335 2008-01-12 Jan Hubicka <jh@suse.cz>
6338 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
6339 references above array bounds. This might trigger bounds checks for
6342 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
6344 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
6345 new_replaceable_dependencies.
6347 2008-01-12 Doug Kwan <dougkwan@google.com>
6349 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
6350 instead of OPT_Wreturn_type in warning due to ignored return type
6352 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
6353 options included in -Wextra.
6354 * c.opt: New option -Wignored_qualifiers.
6355 * doc/invoke.texi (Warning Options, -Wextra): Add new option
6356 -Wignore_qualifiers.
6357 (-Wignored-qualifiers): Document.
6358 (-Wreturn-type): Remove description of functionality now handled
6359 by -Wignored-qualifiers.
6361 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
6364 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
6365 NOP_EXPR if it is between integral types with the same precision.
6367 2008-01-12 Jan Hubicka <jh@suse.cz>
6370 * invoke.texi (max-inline-recursive-depth): Fix default value.
6372 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
6374 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
6377 2008-01-11 Bob Wilson <bob.wilson@acm.org>
6379 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
6381 2008-01-11 James E. Wilson <wilson@specifix.com>
6384 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
6386 2008-01-11 Anatoly Sokolov <aesok@post.ru>
6388 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
6389 save/restore frame pointer register and don't use 'call-prologues'
6390 optimization in function with "OS_task" attribute.
6392 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
6395 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
6396 when copying to memory.
6398 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
6400 PR rtl-optimization/30905
6401 * cfgcleanup.c: Include dce.h
6402 (crossjumps_occured): New global variable.
6403 (try_crossjump_bb): Exit loop after finding a fallthru edge.
6404 If something changed, set crossjumps_occured to true.
6405 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
6406 Don't add/remove fake edges to exit here...
6407 (cleanup_cfg): ...but do it here, when crossjumping.
6408 Run a fast DCE when successful crossjumps occured in the latest
6409 iteration of try_optimize_cfg.
6411 2008-01-11 Richard Guenther <rguenther@suse.de>
6413 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
6414 (struct vn_unary_op_s): Likewise.
6415 (vn_reference_insert): Free old reference on hash collision.
6417 2008-01-10 Raksit Ashok <raksit@google.com>
6419 PR rtl-optimization/27971
6420 * combine.c (find_split_point): Split PLUS expressions which are
6421 inside a MEM rtx, and whose first operand is complex.
6423 2008-01-10 DJ Delorie <dj@redhat.com>
6425 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
6426 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
6427 (m32c_hard_regno_ok): Call the underlying function.
6429 2008-01-10 Richard Guenther <rguenther@suse.de>
6432 * tree-cfg.c (tree_merge_blocks): Do not go through the
6433 full-blown folding and stmt updating path if we just deal
6434 with virtual operands.
6435 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
6436 test for abnormal SSA_NAMEs.
6438 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
6441 * reload.c (push_reload): Add assertions. All constants from
6442 reg_equiv_constant should have been used for replacing the respective
6444 (find_reloads_address): Invoke find_reloads_address_part for
6445 constant taken from the reg_equiv_constant array.
6447 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
6449 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
6450 field (valnum) the first in the struct. Replace bools with
6453 2008-01-10 Richard Guenther <rguenther@suse.de>
6455 PR tree-optimization/34651
6456 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
6457 types and ordering for masking and converting.
6459 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
6461 PR tree-optimization/34017
6462 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
6463 also for PHI_NODE expressions.
6465 2008-01-09 Jan Hubicka <jh@suse.cz>
6467 PR tree-optimization/34708
6468 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
6469 based on number of case labels.
6470 (init_inline_once): Remove switch_cost.
6471 * tree-inline.h (eni_weights_d): Remove switch_cost.
6473 2008-01-09 Richard Guenther <rguenther@suse.de>
6474 Andrew Pinski <andrew_pinski@playstation.sony.com>
6477 * gimplify.c (gimplify_cond_expr): Do not create an addressable
6478 temporary if an rvalue is ok or an lvalue is not required.
6480 2008-01-09 Richard Guenther <rguenther@suse.de>
6483 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
6486 2008-01-09 Richard Guenther <rguenther@suse.de>
6489 * tree.c (host_integerp): Check for sizetype only if the
6490 type is an integer type.
6492 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
6495 * opts.c (decode_options): Disable inlining of functions called
6496 once if not in unit-at-a-time mode.
6498 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
6500 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
6502 2008-01-08 Richard Guenther <rguenther@suse.de>
6505 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
6506 out early if the result will be unused.
6508 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
6513 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6514 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
6517 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
6519 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
6520 for vectorization tuned.
6522 2008-01-08 Richard Guenther <rguenther@suse.de>
6524 PR tree-optimization/34683
6525 * tree-ssa-operands.c (operand_build_cmp): Export.
6526 * tree-ssa-operands.h (operand_build_cmp): Declare.
6527 * tree-vn.c (vuses_compare): Remove.
6528 (sort_vuses): Use operand_build_cmp.
6529 (sort_vuses_heap): Likewise.
6530 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
6531 to re-use old VEC if available. Do not sort already sorted VUSEs.
6532 (vdefs_to_vec): Do not sort already sorted VDEFs.
6534 2008-01-08 Jakub Jelinek <jakub@redhat.com>
6537 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
6539 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
6542 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
6543 limitations of reciprocal sequences on x86 targets.
6545 2008-01-08 Richard Guenther <rguenther@suse.de>
6547 PR tree-optimization/34683
6548 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
6550 2008-01-07 Jakub Jelinek <jakub@redhat.com>
6553 * config/darwin.c (darwin_mergeable_string_section): Don't use
6554 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
6556 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
6559 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
6560 negxf2. Macroize expander using X87MODEF mode iterator. Change
6561 predicates of op0 and op1 to register_operand.
6562 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
6563 expander using X87MODEF mode iterator. Change predicates of
6564 op0 and op1 to register_operand.
6565 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
6566 corresponding patterns and macroize using MODEF macro. Change
6567 predicates of op0 and op1 to register_operand and remove
6568 "m" constraint. Disparage "r" alternative with "!".
6569 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
6570 macroize using X87MODEF macro. Change predicates of op0 and op1
6571 to register_operand and remove "m" constraint. Disparage "r"
6572 alternative with "!".
6573 (absneg splitter with memory operands): Remove.
6574 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
6575 patterns and macroize using X87MODEF mode iterator.
6576 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
6577 Change predicate of op1 to register_operand.
6578 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
6579 for memory operands.
6581 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
6583 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
6585 2008-01-07 Richard Guenther <rguenther@suse.de>
6587 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
6590 2008-01-07 Richard Guenther <rguenther@suse.de>
6592 PR tree-optimization/34683
6593 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
6594 VOPs of the needed size to save memory. Use VEC_quick_push
6595 to save compile-time.
6596 (vdefs_to_vec): Likewise.
6598 2008-01-07 Sa Liu <saliu@de.ibm.com>
6600 * config/spu/spu.md (divdf3): Genetate inline code for double
6601 division. The implementation doesn't handle INF or NAN, therefore it
6602 only applies when -ffinite-math-only is given.
6604 2008-01-06 Paolo Carlini <pcarlini@suse.de>
6607 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
6608 * doc/cpp.texi ([Common Predefined Macros]): Document.
6610 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
6612 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
6613 order to use commutative addition instead of subtraction.
6615 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
6616 Mircea Namolaru <namolaru@il.ibm.com>
6617 Vladimir Yanovsky <yanov@il.ibm.com>
6618 Revital Eres <eres@il.ibm.com>
6620 PR tree-optimization/34263
6621 * tree-outof-ssa.c (process_single_block_loop_latch,
6622 contains_tree_r): New functions.
6623 (analyze_edges_for_bb): Call process_single_block_loop_latch
6624 function to empty single-basic-block latch block if possible.
6626 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6628 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
6630 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
6632 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
6634 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
6636 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
6638 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
6640 2008-01-05 Jakub Jelinek <jakub@redhat.com>
6642 PR tree-optimization/34618
6643 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
6646 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6649 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
6650 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
6651 Update copyright year.
6653 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
6654 Update copyright year.
6655 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
6658 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
6660 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
6661 edge does not point to current bb before changing need_assert.
6663 2008-01-04 Richard Guenther <rguenther@suse.de>
6666 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
6667 for verifying purposes if they are is_gimple_min_invariant.
6669 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
6671 PR tree-optimization/34448
6672 PR tree-optimization/34465
6673 * gimplify.c (gimplify_init_constructor): Add new parameter
6674 notify_temp_creation. Use it.
6675 (gimplify_modify_expr_rhs): Take volatiles into account when
6676 optimizing constructors.
6677 Do not optimize constructors if gimplify_init_constructor will dump to
6679 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
6680 * gcc.c-torture/compile/pr34448.c: New.
6682 2008-01-04 Jakub Jelinek <jakub@redhat.com>
6684 PR gcov-profile/34609
6685 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
6686 return_slot if result is TREE_ADDRESSABLE.
6688 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
6690 * config/mips/mips.md (sqrt_condition): Tweak comment.
6691 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
6693 2008-01-03 Tom Tromey <tromey@redhat.com>
6696 * c-common.c (c_type_hash): Handle VLAs.
6698 2008-01-03 Jan Hubicka <jh@suse.cz>
6700 PR tree-optimization/31081
6701 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
6702 0 when inlining and not inlining to first basic block.
6703 (remap_decl): When var is initialized to 0, don't set default_def.
6704 (expand_call_inline): Set entry_bb.
6705 * tree-inline.h (copy_body_data): Add entry_bb.
6707 2008-01-03 Jakub Jelinek <jakub@redhat.com>
6710 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
6713 PR tree-optimization/29484
6714 * tree-inline.c (inline_forbidden_p_2): New function.
6715 (inline_forbidden_p): Disallow inlining if some static var
6716 has an address of a local LABEL_DECL in its initializer.
6717 * doc/extend.texi (Labels as Values): Document &&foo behaviour
6720 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
6722 PR tree-optimization/34635
6723 * tree-data-ref.c (add_other_self_distances): Make sure that the
6724 evolution step is constant.
6726 2008-01-03 Jakub Jelinek <jakub@redhat.com>
6729 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
6731 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
6733 * tree-sra.c (scalarize_init): Insert the generate_element_init
6734 statements after the generate_element_zero statements.
6736 2008-01-02 Richard Guenther <rguenther@suse.de>
6740 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
6741 for very large number of operands instead of ICEing.
6743 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
6746 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
6747 while stack probing.
6749 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
6751 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
6754 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
6757 * tree-mudflap.c (mx_register_decls): Guard warning by
6758 !DECL_ARTIFICIAL check.
6760 2008-01-01 Jakub Jelinek <jakub@redhat.com>
6762 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
6763 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
6764 sse5_perm<mode>): Fix constraints.