1 2008-04-09 Vladimir Makarov <vmakarov@redhat.com>
3 * ira.c (ira): Move allocate_initial_values after initializing reg
6 2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
8 * config/spu/spu.h (IRA_COVER_CLASSES): New macro.
10 2008-04-08 Vladimir Makarov <vmakarov@redhat.com>
12 * ira-color.c (assign_hard_reg): Add debug printing.
14 * ira-lives.c (mark_reg_store, mark_reg_death,
15 process_bb_node_lives): Ignore hard regno of class NO_REGS.
17 * ira.c: Fix typos in comments.
19 2008-04-07 Vladimir Makarov <vmakarov@redhat.com>
21 * cfgloopanal.c (estimate_reg_pressure_cost): Decrease register
22 pressure cost for IRA regional allocation.
24 * ira.c: Add IRA overview.
26 2008-04-06 Vladimir Makarov <vmakarov@redhat.com>
28 * ira-int.h (reg_class_intersect, reg_class_union): Add comments.
30 * hard-reg-set.h (reg_class_subclasses): New external definition.
32 * ira.c (setup_reg_class_intersect_union): Define for classes
33 containing no hard registers available for allocation.
35 * regclass.c (reg_class_subclasses): Make it external.
37 * config/sh/sh.h (IRA_COVER_CLASSES): Add TARGET_REGS.
39 2008-04-05 Vladimir Makarov <vmakarov@redhat.com>
41 * toplev.c (backend_init_target): Move init_ira after
44 * config/sh/sh.c (sh_secondary_reload): Remove check of x on null.
46 2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
48 * config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
50 2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
52 * config/sh/sh.h (IRA_COVER_CLASSES): Define.
53 * config/sh/sh.c (sh_secondary_reload): Return NO_REGS for
55 * config/sh/sh.md (movsicc_true+3): Check if emit returns
57 * final.c (update_regs_ever_live): Check null rtl.
59 2008-04-04 Vladimir Makarov <vmakarov@redhat.com>
61 * reload1.c: Remove spaces before [.
63 * ira-conflicts.c, ira-int.h, ira-color.c, ira-lives.c,
64 ira-emit.c, ira-build.c, ira.c, ira.h, ira-costs.c: Ditto. Use
67 * caller-save.c: Ditto.
68 (set_up_bb_rts_numbers, rpost_cmp): Remove.
69 (save_trans_fun, save_con_fun_0, save_con_fun_n): New functions.
70 (struct bb_info): Remove member rts_number.
71 (calculate_local_save_info): Setup empty_save_in_p for abnormal
73 (all_blocks): New variable.
74 (calculate_save_in_out): Use df_simple_dataflow.
75 (make_global_save_analysis): Allocate/setup/free all_blocks.
77 2008-04-04 Vladimir Makarov <vmakarov@redhat.com>
79 * ira-costs.c: Use GPL3 in the header.
80 (find_allocno_class_costs): Use all important
81 classes on the 1st iteration.
83 2008-04-03 Vladimir Makarov <vmakarov@redhat.com>
85 PR rtl-optimization/35817
86 * ira-costs.c (ira-costs.c): Check have_regs_of_mode.
88 2008-04-02 Vladimir Makarov <vmakarov@redhat.com>
90 * ira-color.c (start_allocno_priorities): Permit zero allocno
93 2008-03-31 Vladimir Makarov <vmakarov@redhat.com>
95 * ira-color.c (push_allocnos_to_stack): Don't use double. Use
96 const as the secondary heuristic.
98 * ira-emit.c (set_allocno_reg): Change cap reg too. Process all
101 * doc/invoke.texi (-fira-coalescing): Change to -fira-coalesce.
103 * toplev.h (flag_lower_subreg): Remove.
105 * global.c (build_insn_chain): Remove the prototype.
107 * alias.c (value_addr_p): Change comment.
109 * emit-rtl.c (gen_lowpart_common): Remove CONCATN.
111 * simplify-rtx.c (simplify_subreg): Ditto.
113 * common.opt (flower-subreg): Remove.
115 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Fix last
118 2008-03-29 Vladimir Makarov <vmakarov@redhat.com>
120 * ira-lives (process_single_reg_class_operands): Fix typo in
121 setting up cover_class.
123 2008-03-28 Vladimir Makarov <vmakarov@redhat.com>
125 * ira-conflicts.c, global.c, regmove.c, function.c,
126 ira-emit.c, alias.c, reload1.c: Add comments, fix comments.
128 * reload.h: Add 2008 to the Copyright.
130 * caller-save.c: Add comments.
131 (reg_save_code, reg_restore_code, initiate_saved_hard_regs,
132 new_saved_hard_reg, finish_saved_hard_regs,
133 saved_hard_reg_compare_func, calculate_local_save_info,
134 set_up_bb_rts_numbers, rpost_cmp, calculate_save_in_out,
135 calculate_save_here, make_global_save_analysis,
136 print_hard_reg_set_and_mode, print_hard_reg_set, print_save_data,
137 set_hard_reg_saved, add_stored_regs): Add prototypes.
139 * df-scan.c (df_get_call_refs): Use
140 get_call_invalidated_used_regs.
142 * ira-int.h: Add comments.
143 (loop_tree_node): Rename inner to children.
144 (ira_allocate_regset, ira_free_regset): Remove.
145 (reassign_conflict_allocnos): Remove one parameter.
147 * ira-color.c: Add comments.
148 (setup_curr_costs): Rename to update_curr_costs.
149 (allocno_cost_compare_func, print_coalesced_allocno,
150 allocno_reload_assign): Add prototypes.
151 (reassign_conflict_allocnos): Remove one parameter.
153 * ira-lives.c: Add comments.
154 (make_regno_dead, make_regno_born_and_dead,
155 create_start_finish_chains, print_allocno_live_ranges,
156 print_live_ranges): Add protoypes.
158 * ira-build.c: Add comments.
159 (copy_allocno_live_range_list): Make it static.
161 * ira.c: Add comments.
162 (setup_cover_classes): Rename to
163 setup_cover_and_important_classes.
164 (free_register_move_costs, chain_freq_compare, chain_bb_compare,
165 ira): New prototypes.
166 (mode_inner_mode, setup_inner_mode, ira_allocate_regset,
167 ira_free_regset): Remove.
169 * ira.h: Add comments.
170 (SECONDARY_INPUT_RELOAD_CLASS,
171 SECONDARY_OUTPUT_RELOAD_CLASS, HAVE_SECONDARY_RELOADS,
172 MEMORY_MOVE_COST, reg_equiv_memory_loc_varray, reg_equiv_constant,
173 reg_equiv_memory_loc, reg_equiv_address, reg_equiv_mem, ira):
176 * ira-costs.c: Add comments.
177 (find_allocno_class_costs): Make common class a cover class.
179 2008-03-20 Vladimir Makarov <vmakarov@redhat.com>
181 * ira-int.h (allocno): Rename conflict_allocno_vec and
182 conflict_allocno_vec_size into conflict_allocno_array and
183 conflict_allocno_array_size. Remove conflict_allocnos_num.
184 Rename total_conflict_allocnos_num into conflict_allocnos_num New
185 members child_renamed_p and conflict_vec_p.
186 (ALLOCNO_CONFLICT_ALLOCNO_VEC): Rename to
187 ALLOCNO_CONFLICT_ALLOCNO_ARRAY.
188 (ALLOCNO_CONFLICT_ALLOCNO_VEC_SIZE): Rename to
189 ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE.
190 (ALLOCNO_CHILD_RENAMED_P, ALLOCNO_CONFLICT_VEC_P): New macros.
191 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Change to
192 FOR_EACH_ALLOCNO_IN_SET.
193 (allocno_set_iterator): New typedef.
194 (allocno_set_iter_init, allocno_set_iter_cond,
195 allocno_set_iter_next): New functions.
196 (conflict_vector_profitable_p, allocate_allocno_conflict_vec): New
198 (allocno_iterator): New typedef.
199 (allocno_iter_init, allocno_iter_cond): New functions.
200 (FOR_EACH_ALLOCNO): New macro.
201 (copy_iterator): New typedef.
202 (copy_iter_init, copy_iter_cond): New functions.
203 (FOR_EACH_COPY): New macro.
204 (allocno_conflict_iterator): New typedef.
205 (allocno_conflict_iter_init, allocno_conflict_iter_cond,
206 allocno_conflict_iter_next): New functions.
207 (conflict_vector_profitable_p, allocate_allocno_conflict_vec): New
209 (FOR_EACH_ALLOCNO_CONFLICT): New macro.
211 * ira-conflicts.c (conflicts): Change type.
212 (CONFLICT_P): Use one more index for conflicts.
213 (build_conflict_bit_table): Change allocation and initialization
215 (mirror_conflicts): Rewrite.
216 (remove_conflict_allocno_copies): Use FOR_EACH_ALLOCNO.
217 (build_allocno_conflict_vects): Rename to build_allocno_conflicts.
219 (print_conflicts): Use FOR_EACH_ALLOCNO, don't print star.
220 (ira_build_conflicts): Use FOR_EACH_ALLOCNO.
222 * ira-color.c (assign_hard_reg): Use FOR_EACH_ALLOCNO_CONFLICT.
223 Use min_full_cost for finding register profitability.
224 (push_allocno_to_stack): Use FOR_EACH_ALLOCNO_CONFLICT.
225 (setup_allocno_left_conflicts_num, coalesced_allocno_conflict_p):
227 (move_spill_restore): Use FOR_EACH_ALLOCNO.
228 (reassign_conflict_allocnos): Ditto. Use
229 FOR_EACH_ALLOCNO_CONFLICT.
230 (sort_regnos_for_alter_reg): Use FOR_EACH_ALLOCNO.
231 (reassign_pseudos): Use FOR_EACH_ALLOCNO_CONFLICT.
233 * ira-lives.c (make_regno_born, clear_allocno_live,
234 mark_reg_death, process_single_reg_class_operands,
235 process_bb_node_lives): Use FOR_EACH_ALLOCNO_IN_SET.
236 (create_start_finish_chains, print_live_ranges): Use
239 * ira-emit.c (set_allocno_reg): Set up ALLOCNO_CHILD_RENAMED_P.
240 (set_allocno_somewhere_renamed_p): Use
241 ALLOCNO_CONFLICT_ALLOCNO_ARRAY.
242 (ira_emit): Use FOR_EACH_ALLOCNO.
244 * ira.c (setup_reg_renumber, setup_allocno_assignment_flags,
245 calculate_allocation_cost, check_allocation,
246 print_redundant_copies, setup_preferred_alternate_classes): Use
249 * ira-costs.c (print_costs, setup_allocno_cover_class_and_costs,
250 ira_costs, tune_allocno_costs_and_cover_classes): Use
253 * ira-build.c (check_allocno_conflict_vec): Remove.
254 (add_to_allocno_conflict_vec): Rename to
255 allocate_allocno_conflicts. Rewrite.
256 (allocate_allocno_conflict_bit_vec, allocate_allocno_conflicts,
257 remove_wrong_conflicts, change_allocno_conflicts): New functions.
258 (rebuild_regno_allocno_maps): Use FOR_EACH_ALLOCNO.
259 (create_allocno): Initialize ALLOCNO_CHILD_RENAMED_P and
260 ALLOCNO_CONFLICT_VEC_P.
261 (conflict_vector_profitable_p): New function.
262 (compress_allocno_conflict_vec): Use
263 ALLOCNO_CONFLICT_ALLOCNO_ARRAY and don't use
264 ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM.
265 (compress_conflict_vecs): Use FOR_EACH_ALLOCNO. Check
266 ALLOCNO_CONFLICT_VEC_P.
267 (propagate_info_to_cap): Use FOR_EACH_ALLOCNO_CONFLICT.
268 (finish_allocnos): Use FOR_EACH_ALLOCNO.
269 (finish_copies): Use FOR_EACH_COPY.
270 (check_and_add_conflicts): Change second parameter. Use
271 add_to_allocno_conflicts instead of add_to_allocno_conflict_vec.
272 (temp_change_bit_vec): New variable.
273 (ira_flattening): Use FOR_EACH_ALLOCNO and FOR_EACH_COPY. Use
274 remove_wrong_conflicts, change_allocno_conflicts. Allocate and
275 free temp_change_bit_vec. Nullify `allocnos' elements for removed
276 allocnos. Check ALLOCNO_CHILD_RENAMED_P for removing obsolete
277 conflicts. Don't compress and enumerate allocnos and copies.
278 Nullify `copies' elements for removed copies. Use
279 add_to_allocno_conflicts instead of add_to_allocno_conflict_vec.
280 (ira_build): Use FOR_EACH_ALLOCNO.
282 2008-03-18 Vladimir Makarov <vmakarov@redhat.com>
284 * common.opt (fira-algorithm): Fix description
286 * ira-int.h (allocno): Remove best_class.
287 (ALLOCNO_BEST_CLASS): Remove.
288 (strict_class_subset_p): Remove.
290 * ira-color.c (get_coalesced_allocnos_best_class_and_freq): Rename
291 to get_coalesced_allocnos_attributes. Change prototype.
292 Calculate available regs.
293 (bucket_allocno_compare_func, sort_bucket): New functions.
294 (sorted_allocnos_for_spilling): New variable.
295 (assign_hard_reg): Don't add prohibited_class_mode_regs to
296 conflicting_regs. Use it in loop for finding the best hard
298 (add_allocno_to_ordered_bucket): Use bucket_allocno_compare_func.
299 (push_only_colorable): Call sort_bucket.
300 (push_allocnos_to_stack): Use sorted_allocnos_for_spilling instead
302 (put_allocno_into_bucket): Use add_allocno_to_bucket instead of
303 add_allocno_to_ordered_bucket.
304 (initiate_ira_assign): Allocate sorted_allocnos_for_spilling.
305 (finish_ira_assign): Free sorted_allocnos_for_spilling.
307 * ira-emit.c (modify_move_list): Remove setting ALLOCNO_BEST_CLASS
310 * ira-build.c (create_allocno, create_cap_allocno): Ditto.
312 * ira.c (strict_class_subset_p): Remove.
313 (setup_class_subset_and_memory_move_costs): Remove setting
314 strict_class_subset_p up.
316 * ira-costs.c (setup_allocno_cover_class_and_costs): Remove
317 setting ALLOCNO_BEST_CLASS up.
319 2008-03-12 Vladimir Makarov <vmakarov@redhat.com>
321 * ira-int.h (allocno_pool, copy_pool, allocno_live_range_pool):
322 Remove external definitions.
323 (free_allocno_updated_costs, allocate_cost_vector,
324 free_cost_vector): New prototypes.
325 (allocate_and_set_costs, allocate_and_copy_costs,
326 allocate_and_set_or_copy_costs): Change prototypes. Use
327 allocate_cost_vector instead of ira_allocate.
329 * ira-conflicts.c (add_insn_allocno_copies): Pass register class
330 to allocate_and_set_costs.
332 * ira-color.c (update_copy_costs_1): Pass register class to
333 allocate_and_set_or_copy_costs.
334 (assign_hard_reg): Pass register class to allocate_and_copy_costs.
336 (pop_allocnos_from_stack, color_allocnos): Check updated costs.
337 (color_pass): Pass register class to allocate_and_set_costs. Free
339 (move_spill_restore): Check reg equivalences.
340 (setup_curr_costs): Pass register class to
341 allocate_and_set_or_copy_costs.
342 (reassign_conflict_allocnos, allocno_reload_assign): Check updated
344 (calculate_spill_cost): Use REG_N_REFS after checking regno.
346 * ira-lives.c (process_single_reg_class_operands): Pass register
347 class to allocate_and_set_costs.
349 * ira-build.c (allocno_pool, allocno_live_range_pool): New
351 (initiate_allocnos): Initiate the pools.
352 (free_allocno_updated_costs): New function.
353 (finish_allocno): Use free_cost_vector. Free the pools.
354 (copy_pool): New variable.
355 (initiate_copies): Initiate the pool.
356 (cost_vector_pool): New variable.
357 (initiate_cost_vectors, allocate_cost_vector, free_cost_vector,
358 finish_cost_vectors): New functions.
359 (ira_flattening): Call free_allocno_updated_costs. Check updated
361 (ira_build): Call initiate_cost_vectors.
362 (ira_destroy): Call finish_cost_vectors.
364 * ira.c (find_reg_equiv_invariant_const): Check read only memory.
365 (setup_reg_renumber, setup_allocno_assignment_flags): Call
366 free_allocno_updated_costs.
367 (ira): Remove initializations and freeing allocno_pool, copy_pool,
368 and allocno_live_range_pool. Call generate_setjmp_warnings.
370 * ira-costs.c (process_bb_node_for_hard_reg_moves,
371 tune_allocno_costs_and_cover_classes): Pass register class to
372 allocate_and_set_costs.
374 * caller-save.c (save_slots_num, save_slots): New variables.
375 (init_save_areas): Initiate save_slots_num.
376 (setup_save_areas): Use stack slots from the previous reload
377 iteration independetly what slot was used on the previous pass.
379 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
381 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
382 Remove commutativity hint.
384 2008-03-06 Vladimir Makarov <vmakarov@redhat.com>
386 * ira.h (sort_regnos_for_alter_reg): Add parameter.
388 * reload1.c (reload): Pass additional argument to
389 sort_regnos_for_alter_reg.
391 * ira-int.h (reg_equiv_len): New global variable.
393 * ira-emit.c (change_loop): Add assertion.
395 * ira.c (reg_equiv_len): New global variable.
396 (setup_reg_renumber): Use reg_equiv_len in assertion.
397 (ira): Initialize reg_equiv_len and spilled_reg_stack_slots.
399 * ira-color.c (coalesced_pseudo_reg_compare): Rename to
400 coalesced_pseudo_reg_freq_compare.
401 (coalesced_pseudo_reg_slot_compare,
402 setup_coalesced_allocno_costs_and_nums,
403 collect_spilled_coalesced_allocnos, coalesce_spill_slots): New
405 (coalesced_allocno_conflict_p): Add new parameter. Use live
406 ranges to find conflicts for the reload.
407 (coalesce_allocnos): Don't coalesce allocnos with equivalences.
408 (color_pass): Check reg_quiv_len.
409 (regno_max_ref_width): New variable.
410 (sort_regnos_for_alter_reg): Add secondary coalescing spilled
411 allocnos. Assign stack slot numbers. Use costs instead of
413 (mark_allocation_change): Set up allocno hard regno.
414 (allocno_reload_assign): Ditto.
415 (reuse_stack_slot): Use stack slot numbers.
416 (mark_new_stack_slot): Set up allocno slot number.
418 * doc/passes.texi: Add more info about IRA.
420 2008-03-03 Vladimir Makarov <vmakarov@redhat.com>
422 * ira-conflicts.c (allocno_conflict_p): Rename to
423 allocno_live_ranges_intersect_p.
424 (allocno_reg_conflict_p): Rename to
425 pseudo_live_ranges_intersect_p.
427 * ira-lives.c (high_pressure_start_point): New variable.
428 (update_allocno_pressure_excess_length): New function.
429 (make_regno_dead): Call it.
430 (set_allocno_live): Udpate high_pressure_start_point.
431 (clear_allocno_live, mark_reg_store, mark_reg_death): Ditto.
432 (process_bb_node_lives): Initialize high_pressure_start_point.
433 Consider only allocatable hard regs for liveness.
435 * ira-costs.c (record_reg_classes): Multiply cost by frequency.
436 Use half frequency when memory is allowed. Remove check for
437 prefferred small register classes of pseudo-registers.
438 (scan_one_insn): Continue processing operands for moves of
439 pseudo-registers with equivalence. Don't multiply cost by
441 (init_ira_costs): Use bigger initial cost value.
444 (allocno): New members somewhere_renamed_p and
445 excess_pressure_points_num.
446 (ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_EXCESS_PRESSURE_POINTS_NUM):
448 (allocno_reg_conflict_p): Rename to
449 pseudo_live_ranges_intersect_p.
450 (allocno_conflict_p): Rename to allocno_live_ranges_intersect_p.
452 * ira.h (sort_regnos_for_alter_reg, better_spill_reload_regno_p):
453 New function prototypes.
455 * ira-color.c (merge_allocnos): Remove mode check.
456 (coalesce_allocnos): Add parameter and modify to use it for
457 coalescing spilled allocnos.
458 (color_allocnos): Pass parameter to coalesce_allocnos.
459 (regno_coalesced_allocno_freq, regno_coalesced_allocno_num): New
461 (coalesced_pseudo_reg_compare, calculate_spill_cost,
462 sort_regnos_for_alter_reg, better_spill_reload_regno_p): New
464 (mark_allocation_change, allocno_reload_assign, reassign_pseudos
465 ): Use ALLOCNO_MEMORY_COST instead of ALLOCNO_UPDATED_MEMORY_COST.
466 (reuse_stack_slot): Use pseudo_live_ranges_intersect_p instead of
467 allocno_reg_conflict_p.
469 * ira-emit.c (set_allocno_somewhere_renamed_p): New function.
470 (renamed_regno_bitmap): New static variable.
471 (change_loop): Check register pressure for creating new pseudo.
472 Set up ALLOCNO_SOMEWHERE_RENAMED_P and renamed_regno_bitmap.
473 (ira_emit): Allocate/deallocate renamed_regno_bitmap.
474 Call set_allocno_somewhere_renamed_p.
476 * ira-build.c (ira_loops): Move to ira.c.
477 (create_allocno): Initialize ALLOCNO_SOMEWHERE_RENAMED_P and
479 (create_cap_allocno): Set up ALLOCNO_MEMORY_COST.
480 (check_and_add_conflicts): Use allocno_live_ranges_intersect_p
481 instead of allocno_conflict_p.
482 (ira_flattening): Check conflicts of allocno renamed somewhere
483 locally. Update ALLOCNO_EXCESS_PRESSURE_POINTS_NUM.
484 (ira_build): Move code for finding loops to ira.c.
485 (ira_destroy): Move code for freeing loops to ira.c.
487 * ira.c (setup_reg_class_intersect_union): Fix calculation of
489 (calculate_allocation_cost): Use ALLOCNO_MEMORY_COST instead of
490 ALLOCNO_UPDATED_MEMORY_COST.
491 (ira_loops): Move from ira-build.c.
492 (ira): Move code for finding and freeing loops from ira-build.c.
493 Don't use regional RA when there are too many loops.
495 * reload1.c (pseudo_reg_compare): Remove.
496 (reload): Use sort_regnos_for_alter_reg.
497 (hard_regno_to_pseudo_regno): New variable.
498 (count_pseudo): Set up hard_regno_to_pseudo_regno.
499 (order_regs_for_reload): Initialize hard_regno_to_pseudo_regno.
500 (count_spilled_pseudo): Update hard_regno_to_pseudo_regno.
501 (find_reg): Use better_spill_reload_regno_p. Check
502 hard_regno_to_pseudo_regno.
504 * cfgloopanal.c: Include params.h.
505 (estimate_reg_pressure_cost): Check number of loops.
507 * params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
509 * params.h (IRA_MAX_LOOPS_NUM): New macro.
511 * Makefile.in (cfgloopanal.o): Add PARAMS_H.
513 * doc/invoke.texi (ira-max-loops-num): Describe.
515 2008-02-20 Vladimir Makarov <vmakarov@redhat.com>
517 * ira.h, ira-emit.c: Add year 2008 to the copyright.
520 (struct copy): Rename move_insn to insn.
521 (initiate_ira_assign, finish_ira_assign, debug_allocno_copies):
522 New function prototypes.
524 * ira-build.c: Add year 2008 to the copyright. Rename member
525 move_insn of the copies to insn.
526 (find_allocno_copy): New function.
527 (propagate_info_to_cap, add_allocno_copy): Use it.
528 (print_allocno_copies, debug_allocno_copies): New functions.
530 * ira-conflicts.c: Add year 2008 to the copyright. Rename member
531 move_insn of the copies to insn.
534 (setup_reg_class_intersect_union): Fix reg_class_union for cover
536 (ira): Call initiate_ira_assign and finish_ira_assign. Remove
537 setting reload_completed up.
539 * ira-costs.c: Add year 2008 to the copyright.
540 (ira_costs): Check modes of registers.
542 * ira-lives.c: Add year 2008 to the copyright.
543 (mark_reg_store, mark_reg_death, process_bb_node_lives): Don't use
545 (process_single_reg_class_operands): Check that the hard reg
546 belongs to the cover class.
548 * ira-color.c: Add year 2008 to the copyright. Rename member
549 move_insn of the copies to insn.
550 (initiate_cost_update, finish_cost_update, update_copy_costs_1):
552 (allocno_update_cost_check, update_cost_check): New static
554 (update_copy_costs): Increment update_cost_check. Call
556 (coalesce_allocnos): Don't coalesce already assigned allocnos or
557 copies with null insn.
558 (color_pass): Check loop tree node of the subloop allocno.
559 (finish_allocno_priorities): Remove.
560 (do_coloring): Move allocation/deallocation of
561 consideration_allocno_bitmap into initiate_cost_update and
563 (reassign_conflict_allocnos): Remove allocation/deallocation of
564 sorted_allocnos. Remove call of finish_allocno_priorities.
565 (reassign_pseudos): Remove allocation/deallocation of
566 consideration_allocno_bitmap and sorted_allocnos. Remove call of
567 finish_allocno_priorities.
568 (initiate_ira_assign, finish_ira_assign): New fucntions.
569 (ira_color): Remove allocation/deallocation of sorted_allocnos.
570 Call initiate_ira_assign and finish_ira_assign.
572 * postreload.c (gate_handle_postreload): Don't do post reload
573 optimizations unless the reload is completed.
575 * cfgloopanal.c (estimate_reg_pressure_cost): Return zero if we
578 * recog.c (peep2_free_reg_search_ofs): New static variable.
579 (peep2_find_free_register): Remove search_ofs. Use
580 peep2_free_reg_search_ofs instead of it.
581 (peephole2_optimize): Reset peep2_free_reg_search_ofs.
583 2008-01-10 Vladimir Makarov <vmakarov@redhat.com>
585 * reload1.c (compute_use_by_pseudos): Permits spilled registers in
587 (temp_pseudo_reg_arr): New variable.
588 (reload): Use instead temp_pseudo_reg_arr of pseudo_regs. Move
589 freeing to the function end. Don't clear spilled_pseudos for IRA.
590 Restore original insn chain for IRA.
591 (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
592 (count_pseudo, count_spilled_pseudo): Check spilled pseudos.
593 (alter_reg): Set up spilled_pseudos.
594 (finish_spills): Set up pseudo_previous_regs only for spilled
595 pseudos. Call reassign_pseudos once for all spilled pseudos,
596 pass more arguments. Don't clear live_throughout and dead_or_set
599 2008-01-10 Vladimir Makarov <vmakarov@redhat.com>
601 * reload1.c (compute_use_by_pseudos): Permits spilled registers in
603 (temp_pseudo_reg_arr): New variable.
604 (reload): Use instead temp_pseudo_reg_arr of pseudo_regs. Move
605 freeing to the function end. Don't clear spilled_pseudos for IRA.
606 Restore original insn chain for IRA.
607 (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
608 (count_pseudo, count_spilled_pseudo): Check spilled pseudos.
609 (alter_reg): Set up spilled_pseudos.
610 (finish_spills): Set up pseudo_previous_regs only for spilled
611 pseudos. Call reassign_pseudos once for all spilled pseudos,
612 pass more arguments. Don't clear live_throughout and dead_or_set
615 * global.c (reg_becomes_live, build_insn_chain): Don't ignore
616 spilled pseudos for IRA.
618 * caller-save.c (calculate_local_save_info,
619 save_call_clobbered_regs): Ignore spilled pseudos for IRA.
621 * toplev.c (backend_init_target): Call init_ira.
622 (backend_init): Move call of init_ira_once before
625 * ira.h (init_ira, sort_insn_chain, mark_memory_move_deletion):
626 New function prototypes.
627 (retry_ira_color): Rename to reassign_pseudos. Change
630 * ira-int.h (allocno): New member dont_reassign_p.
631 (ALLOCNO_DONT_REASSIGN_P): New macro.
632 (memory_move_cost): Change element type.
633 (register_move_cost): Change type.
634 (register_may_move_in_cost, register_may_move_out_cost,
635 reg_class_intersect): New arrays.
636 (important_class_nums): Fix element type.
637 (hard_reg_not_in_set_p): Make it static inline.
638 (init_register_move_cost, init_ira_costs): New function
640 (allocno_conflict_index): Remove.
641 (allocate_and_set_costs, allocate_and_copy_costs,
642 allocate_and_set_or_copy_costs): New static inline functions.
644 * ira-build.c (compress_allocno_conflict_vec,
645 compress_conflict_vecs): New functions.
646 (allocno_conflict_index): Remove.
647 (allocno_conflict_check, curr_allocno_conflict_check_tick): New
649 (propagate_info_to_cap): Use allocate_and_copy_costs.
650 (check_and_add_conflicts): Don't call allocno_conflict_index.
651 (ira_flattening): Add some assertions. Check that cost vectors
652 have been allocated. Don't call allocno_conflict_index. Call
653 compress_conflict_vecs.
655 * ira.c (memory_move_cost, register_move_cost): Change types.
656 (register_may_move_in_cost, register_may_move_out_cost,
657 strict_class_subset_p): New variables.
658 (setup_class_subset_and_move_costs): Rename to
659 setup_class_subset_and_memory_move_costs. Remove
660 register_move_cost setup. Don't consider no_unit_alloc_regs. Add
661 strict_class_subset_p setup.
662 (setup_reg_class_intersect): Rename to
663 setup_reg_class_intersect_union. Don't consider
664 no_unit_alloc_regs. Add reg_class_union setup.
665 (hard_reg_not_in_set_p): Move to ira-int.h.
666 (setup_reg_subclasses): Use no_unit_alloc_regs instead of
667 fixed_reg_set. Don't consider no_unit_alloc_regs.
668 (important_class_nums): Fix element type.
669 (setup_cover_classes): Use no_unit_alloc_regs instead of
670 fixed_reg_set. Don't consider no_unit_alloc_regs.
671 (setup_class_translate): Ditto.
672 (reg_class_union): New variable.
673 (init_register_move_cost, free_register_move_costs): New
675 (init_ira_once): Initialize register_move_cost,
676 register_may_move_in_cost, register_may_move_out_cost. Move some
678 (init_ira): New function. Move some code from init_ira_once.
679 Call free_register_move_costs and init_ira_costs.
680 (calculate_allocation_cost): Check allocation of allocno hard reg
682 (basic_block_order_nums): New variable.
683 (chain_freq_compare, chain_bb_compare, sort_insn_chain): New
685 (ira): Call sort_insn_chain.
687 * ira-color.c (allocno_coalesced_p): New variable.
688 (update_copy_costs): Use allocate_and_set_or_copy_costs.
689 (assign_hard_reg): Clear and use
690 processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
691 Use allocate_and_copy_costs. Use allocno cover class cost if the
692 hard register cost vector is not allocated.
693 (get_coalesced_allocnos_best_class_and_freq): Use
694 reg_class_intersect instead of reg_class_subintersect.
695 (add_allocno_to_ordered_bucket): Use strict_class_subset_p.
696 (push_allocno_to_stack): Clear and use
697 processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
698 (setup_allocno_left_conflicts_num): Don't setup
699 ALLOCNO_UPDATED_HARD_REG_COSTS and
700 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS. Clear and use
701 processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
702 (put_allocno_into_bucket): Don't setup
703 ALLOCNO_UPDATED_HARD_REG_COSTS and
704 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.
705 (coalesced_allocno_conflict_p): Clear and use
706 processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
707 (coalesce_allocnos): Setup allocno_coalesced_p.
708 (color_allocnos): Add processing reg class NO_REGS.
709 (color_pass): Propagate assignment of spilled allocno not
710 mentioned in the subregion for the mixed algorithm. Use
711 allocate_and_set_costs.
712 (move_spill_restore, mark_allocation_change): Check unallocated
713 hard reg cost vectors.
714 (setup_curr_costs): Don't setup ALLOCNO_UPDATED_HARD_REG_COSTS and
715 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS. Use
716 allocate_and_set_or_copy_costs.
717 (mark_memory_move_deletion, allocno_reload_assign,
718 pseudo_reg_compare, reassign_pseudos): New functions.
719 (retry_ira_color): Remove.
721 * ira-conflicts.c (add_insn_allocno_copies): Use
722 allocate_and_set_costs.
723 (allocno_conflict_p): Simplify the code.
725 * ira-costs.c: Rename reg_class_subunion to reg_class_union
727 (cost_classes, cost_classes_num, cost_class_nums,
728 max_struct_costs_size): New variables.
729 (copy_cost): Use init_register_move_cost instead of
731 (record_reg_classes): Ditto. Use cost_classes and
732 cost_classes_num instead of important_classes and
733 important_classes_num. Use register_may_move_{in,out}_cost
734 instead of may_move_{in,out}_cost. Check reg class intersection
736 (record_address_regs): Use init_register_move_cost instead of
737 init_move_cost. Use cost_classes and cost_classes_num instead of
738 important_classes and important_classes_num. Use
739 register_may_move_in_cost instead of may_move_in_cost.
740 (scan_one_insn): Use cost_classes_num instead of
741 important_classes_num.
742 (print_costs): Use cost_classes and cost_classes_num instead of
743 important_classes and important_classes_num.
744 (find_allocno_class_costs): Initialize cost_classes and
745 cost_class_nums. Use cost_classes and cost_classes_num instead of
746 important_classes and important_classes_num.
747 (process_bb_node_for_hard_reg_moves): Use allocate_and_set_costs.
748 (setup_allocno_cover_class_and_costs): Use cost_classes and
749 cost_classes_num instead of important_classes and
750 important_classes_num.
751 (init_ira_costs_once): Move some code to init_ira_costs. Initiate
753 (free_ira_costs: New function. Move some code from
754 finish_ira_costs_once.
755 (init_ira_costs): New function. Move some code from
756 init_ira_costs_once. Use max_struct_costs_size instead of
757 struct_costs_size. Call free_ira_costs. Allocate cost_classes.
758 (finish_ira_costs_once): Move some code to finish_ira_costs. Call
760 (ira_costs): Use max_struct_costs_size instead of
761 struct_costs_size. Use allocate_and_set_costs.
763 * ira-emit.c (modify_move_list): Remove allocation of hard reg
766 * ira-lives.c (process_single_reg_class_operands): Add new
767 parameter freq. Calculate costs basing on the frequency.
768 (process_bb_node_lives): Pass the frequency to
769 process_single_reg_class_operands.
771 2007-12-17 Vladimir Makarov <vmakarov@redhat.com>
773 * doc/invoke.texi (fira-algoirthm): Remove prioirity coloring.
774 Make mixed the default.
776 * flags.h (ira_algorithm): Remove IRA_ALGORITHM_PRIORITY.
778 * ira-color.c (priority_coloring): Remove.
779 (do_coloring): Don't call priority_coloring.
781 * opts.c (common_handle_option): Remove priority coloring option.
783 * toplev.c (flag_ira_algorithm): Assign IRA_ALGORITHM_MIXED.
785 * ira-build.c (check_and_add_conflicts, ira_flattening): Increase
786 threshold for internal_flag_ira_verbose.
788 2007-12-17 Vladimir Makarov <vmakarov@redhat.com>
790 * common.opt (fira-assign-after-call-split, fira-biased-coloring,
791 fira-split-around-calls): Remove.
792 (fdump-simple-rtl, fira-verbose): New options.
793 (fira, fira-coalesce): Initiate by 0.
795 * opts.c (common_handle_option): Process flag_ira_verbose.
797 * flags.h (flag_ira_verbose): New external definition.
799 * toplev.h (flag_ira_assign_after_call_split,
800 flag_ira_biased_coloring, flag_ira_split_around_calls): Remove.
802 * toplev.c (flag_ira_verbose): New external declaration.
803 (finalize): Call finish_ira_once.
805 * print-rtl.c (flag_simple): Rename to flag_dump_simple_rtl.
807 * doc/invoke.texi (-fno-ira-assign-after-call-split,
808 -fira-biased-coloring, -fno-ira-split-around-calls): Remove.
809 (-fdump-simple-rtl, -fira-verbose): New options.
811 * caller-save.c (insert_restore, insert_save): Use
812 adjust_address_nv instead of adjust_address. Check the mode by
815 * ira-call.c: Remove file.
817 * ira-lives.c: New file.
819 * Makefile.in (ira-live.o): Add
820 (ira-call.o): Remove.
821 (IRA_INT_H): Add alloc-pool.h.
823 * ira.h (finish_ira_once): New external definition.
825 * ira-int.h (internal_flag_ira_verbose, alloc_pool allocno_pool,
826 copy_pool, allocno_live_range_pool, ira_loop_tree_height,
827 max_point, start_point_ranges, finish_point_ranges,
828 prohibited_mode_move_regs, important_class_nums,
829 ira_curr_regno_allocno_map, allocno_set_words): New external
831 (loop_tree_node_t, allocno_live_range_t): New typedefs. Use them
833 (ira_loop_tree_node): Rename to loop_tree_node.
834 (loop_tree_node): New member level.
835 (allocno_live_range): New structure.
836 (allocno): New members nrefs, live_ranges,
837 total_conflict_hard_regs, conflict_allocnos_num,
838 total_conflict_allocnos_num, mem_optimized_dest,
839 mem_optimized_dest_p, total_no_stack_reg_p. Remove members
840 conflict_allocno_vec_active_size and original_memory_cost. Rename
841 member curr_hard_reg_costs to updated_hard_reg_costs.
842 (ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM,
843 ALLOCNO_TOTAL_CONFLICT_HARD_REGS, ALLOCNO_CONFLICT_ALLOCNOS_NUM,
844 ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM, ALLOCNO_NREFS,
845 ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
846 ALLOCNO_TOTAL_NO_STACK_REG_P, ALLOCNO_LIVE_RANGES): New access
848 (ALLOCNO_CONFLICT_ALLOCNO_VEC_ACTIVE_SIZE,
849 ALLOCNO_ORIGINAL_MEMORY_COST): Remove.
850 (ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS): Rename to
851 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.
852 (allocno_copy): New member loop_tree_node.
853 (INT_BITS, INT_TYPE, EXECUTE_IF_SET_IN_ALLOCNO_SET): Move from
855 (SET_ALLOCNO_SET_BIT, CLEAR_ALLOCNO_SET_BIT,
856 TEST_ALLOCNO_SET_BIT): New macros.
857 (ira_reallocate, allocno_conflict_index, add_allocno_conflict,
858 create_allocno_live_range, finish_allocno_live_range,
859 add_allocno_copy_to_list, swap_allocno_copy_ends_if_necessary,
860 remove_allocno_copy_from_list, add_allocno_copy, ira_flattening,
861 finish_ira_costs_once, rebuild_start_finish_chains,
862 print_live_range_list, debug_live_range_list,
863 debug_allocno_live_ranges, debug_live_ranges,
864 create_allocno_live_ranges, finish_allocno_live_ranges,
865 allocno_conflict_p, loop_edge_freq): New external function
867 (hard_reg_in_set_p, original_regno_call_crossed_p,
868 ira_max_regno_before, ira_max_regno_call_before): Remove.
869 (traverse_loop_tree): Add new parameter type.
870 (create_copy): Ditto.
871 (debug_conflicts, ira_emit, add_allocno_copy): Add parameter.
872 (debug_ira_call_data, split_around_calls, get_around_calls_regno):
875 * ira.c (setup_prohibited_mode_move_regs): New function.
876 (internal_flag_ira_verbose, allocno_pool, copy_pool,
877 allocno_live_range_pool, important_class_nums): New external
879 (IRA_NO_OBSTACK): Uncomment it.
880 (ira_reallocate): New function.
881 (setup_cover_classes): Set up important_class_nums.
882 (finish_ira_once): New function.
883 (prohibited_mode_move_regs,
884 prohibited_mode_move_regs_initialized_p): New global variables.
885 (setup_prohibited_mode_move_regs): New function.
886 (setup_reg_renumber): Remove parameters.
887 (setup_allocno_assignment_from_reg_renumber): Rename to
888 setup_allocno_assignment_flags. Set up ALLOCNO_ASSIGNED_P.
889 (calculate_allocation_cost): Use ALLOCNO_UPDATED_MEMORY_COST.
890 (ira_max_regno_before, ira_max_regno_call_before): Remove.
891 (ira): Set up internal_flag_ira_verbose. Call
892 setup_prohibited_mode_move_regs. Create and destroy allocno,
893 copy, and live range pools. Remove original_regno_call_crossed_p.
894 Report major passes. Use argument for ira_emit. Call
895 ira_flattening and df_analyze. Remove live range splitting around
898 * ira-build.c (setup_loop_tree_level, rebuild_regno_allocno_maps,
899 expand_calls, compress_calls, allocno_conflict_index,
900 add_to_allocno_conflict_vec, propagate_info_to_cap,
901 copy_allocno_live_range, copy_allocno_live_range_list,
902 finish_allocno, finish_copy,
903 propagate_info_to_loop_tree_node_caps, merge_ranges,
904 common_loop_tree_node_dominator, check_and_add_conflicts,
905 add_conflict_with_underlying_allocnos, ira_flattening): New
907 (check_coalesced_allocnos): Remove.
908 (ira_loop_tree_height): New external variable.
909 (form_loop_tree): Call setup_loop_tree_level.
910 (initiate_calls): Allocate a bit more. (create_allocno): Use
911 pool_alloc. Set up ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM,
912 ALLOCNO_TOTAL_CONFLICT_HARD_REGS, ALLOCNO_NREFS,
913 ALLOCNO_TOTAL_NO_STACK_REG_P, ALLOCNO_MEM_OPTIMIZED_DEST,
914 ALLOCNO_MEM_OPTIMIZED_DEST_P, ALLOCNO_UPDATED_MEMORY_COST, and
915 ALLOCNO_LIVE_RANGES. Rename
916 ALLOCNO_CONFLICT_ALLOCNO_VEC_ACTIVE_SIZE,
917 ALLOCNO_CURR_HARD_REG_COSTS, and
918 ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS to
919 ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_UPDATED_HARD_REG_COSTS, and
920 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.
921 (add_allocno_conflict): Make it external. Use
922 add_to_allocno_conflict_vec.
923 (create_cap_allocno): Move part of code to propagate_info_to_cap.
924 (finish_allocnos): Use finish_allocno.
925 (add_allocno_copy_to_list, remove_allocno_copy_from_list,
926 swap_allocno_copy_ends_if_necessary, add_allocno_copy): Move from
927 ira-conflicts.c. Make them external.
928 (create_copy): Use pool_alloc. Add parameter loop_tree_node.
929 (finish_copies): Use finish_copy.
930 (ira_curr_regno_allocno_map): New external variable.
931 (traverse_loop_tree): Add parameter bb_first_p.
932 (create_insn_allocnos): Update ALLOCNO_NREFS.
933 (create_loop_tree_node_allocnos): Traverse loop tree nodes with
934 BBs first. Update ALLOCNO_NREFS.
935 (create_loop_tree_node_caps): Move part of code to
936 propagate_info_to_loop_tree_node_cap.
937 (regno_top_level_allocno_map): New global variable.
938 (ira_build): Create caps before build conflicts. Call
939 create_allocno_live_ranges. Propagate info to caps. Report
941 (ira_destroy): Call finish_allocno_live_ranges.
943 * ira-conflicts.c (set_allocno_live, clear_allocno_live,
944 record_regno_conflict, mark_reg_store, mark_reg_clobber,
945 mark_reg_conflicts, mark_reg_death): Remove.
946 (add_insn_allocno_copies, add_copies): New functions.
947 (add_allocno_copy_to_list, remove_allocno_copy_from_list,
948 swap_allocno_copy_ends_if_necessary, add_allocno_copy): Remove.
949 (add_allocno_copies): Rename to add_insn_allocno_copies. Use
950 ira_curr_regno_allocno_map and add_insn_allocno_copies.
951 (single_reg_class, single_reg_operand_class,
952 process_single_reg_class_operands, process_bb_node_for_conflicts):
954 (INT_BITS, INT_TYPE, EXECUTE_IF_SET_IN_ALLOCNO_SET): Move to
956 (allocnos_live_bitmap, SET_ALLOCNO_CONFLICT_ROW,
957 CLEAR_ALLOCNO_CONFLICT_ROW, TEST_ALLOCNO_CONFLICT_ROW): Remove.
958 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE, TEST_ALLOCNO_LIVE):
959 Use {SET, CLEAR, TEST}_ALLOCNO_SET_BIT.
960 (allocno_row_words, hard_regs_live, curr_bb_node,
961 curr_regno_allocno_map, curr_reg_pressure): Remove.
962 (CONFLICTP): Rename to CONFLICT_P.
964 (propagate_allocno_info): Use ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
965 Set up ALLOCNO_CALLS_CROSSED_START.
966 (allocno_conflict_p): New function.
967 (allocno_reg_conflict_p): Use allocno_conflict_p.
968 (build_allocno_conflict_vects): Divide original and propagated
970 (print_hard_reg_set): New function.
971 (print_conflicts): Use print_hard_reg_set. Set up mark for the
972 start of propagated conflicts.
973 (debug_conflicts): Add parameter.
974 (ira_build_conflicts): Call add_copies. Set up
975 ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
977 * ira-costs.c (struct costs): Make cost allocated dynamically.
978 (struct_costs_size, temp_cots, op_costs, this_op_costs): New
980 (costs): Rename to total_costs.
981 (COSTS_OF_ALLOCNO): New macro.
982 (curr_regno_allocno_map): Remove. Use ira_curr_regno_allocno_map
984 (record_reg_classes): Check NO_REGS in allocno_pref.
985 (record_address_regs): Use COSTS_OF_ALLOCNO.
986 (scan_one_insn): Ditto.
987 (print_costs): Ditto.
988 (find_allocno_class_costs): Ditto. Pass additional argument to
989 traverse_loop_tree. Set up NO_REGS if memory is cheaper.
990 (setup_allocno_cover_class_and_costs): Use
991 ALLOCNO_UPDATED_MEMORY_COST instead of
992 ALLOCNO_ORIGINAL_MEMORY_COST, ALLOCNO_UPDATED_HARD_REG_COSTS
993 instead of ALLOCNO_CURR_HARD_REG_COSTS, and
994 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS instead of
995 ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS. Pass additional argument to
997 (init_ira_costs_once): Allocate init_cost, op_costs,
998 this_op_costs, temp_costs.
999 (finish_ira_costs_once): New function.
1001 * ira-color.c: Use ALLOCNO_UPDATED_MEMORY_COST instead of
1002 ALLOCNO_ORIGINAL_MEMORY_COST, ALLOCNO_UPDATED_HARD_REG_COSTS
1003 instead of ALLOCNO_CURR_HARD_REG_COSTS, and
1004 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS instead of
1005 ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS. Use
1006 ALLOCNO_TOTAL_CONFLICT_HARD_REGS instead of
1007 ALLOCNO_CONFLICT_HARD_REGS.
1008 (processed_allocno_bitmap): Rename into
1009 processed_coalesced_allocno_bitmap.
1010 (allocno_cost_compare_func): Use ALLOCNO_UPDATED_MEMORY_COST
1011 instead of ALLOCNO_MEMORY_COST.
1012 (assign_hard_reg): Remove biased coloring.
1013 (add_allocno_to_ordered_bucket): Check cover class first.
1014 (loop_edge_freq): Make it external.
1015 (setup_allocno_left_conflicts_num): Check that conflicting
1016 allocnos of one class.
1017 (allocno_conflict_p): Rename to coalesced_allocno_conflict_p.
1018 (color_pass): Check pressure in the loop (not in subloops) for
1020 (allocno_priorities): New variable.
1021 (start_allocno_priorities, finish_allocno_priorities): New
1023 (allocno_priority_compare_func): Use allocno_priorities.
1024 (priority_coloring): Call start_allocno_priorities and
1025 finish_allocno_priorities.
1026 (do_coloring): Pass additional argument to traverse_loop_tree.
1028 * ira-emit.c (struct move): Add member insn.
1029 (create_move): Initialize member insn.
1030 (generate_edge_moves): Set up ALLOCNO_MEM_OPTIMIZED_DEST and
1031 ALLOCNO_MEM_OPTIMIZED_DEST_P.
1032 (change_loop): Check prohibited_mode_move_regs.
1033 (curr_jump_map, can_move_through_p): Remove.
1034 (unify_moves): Don't move through jump.
1035 (modify_move_list): Set up attributes for new allocno used for
1036 breaking dependency loops.
1037 (emit_move_list): Set up insn codes.
1038 (update_costs, add_range_and_copies_from_move_list,
1039 add_ranges_and_copies): New functions.
1040 (ira_emit): Add a parameter. Call add_ranges_and_copies.
1042 2007-10-09 Vladimir Makarov <vmakarov@redhat.com>
1044 * toplev.h (flag_ira_coalesce): New external variable.
1046 * ira-int.h (allocno): New members first_coalesced_allocno,
1047 next_coalesced_allocno.
1048 (ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO):
1050 (reg_class_subintersect): New external variable.
1052 * ira-color.c (processed_allocno_bitmap): New variable.
1053 (allocno_cost_compare_func, print_coalesced_allocno): New
1055 (assign_hard_reg): Process coalesced allocnos.
1056 (get_coalesced_allocnos_best_class_and_freq): New function.
1057 (add_allocno_to_ordered_bucket): Use the function.
1058 (push_allocno_to_stack, push_allocnos_to_stack): Process coalesced
1060 (remove_allocno_from_bucket_and_push, pop_allocnos_from_stack):
1061 Use print_coalesced_allocno.
1062 (setup_allocno_available_regs_num,
1063 setup_allocno_left_conflicts_num): Process coalesced allocnos.
1064 (copy_freq_compare_func, allocno_conflict_p, coalesce_allocnos):
1066 (color_allocnos): Allocate/free processed_allocno_bitmap. Call
1068 (priority_coloring): Allocate/free processed_allocno_bitmap.
1070 * ira-build.c (check_coalesced_allocnos): New function.
1071 (create_allocno): Initiate next_coalesced_allocno,
1072 first_coalesced_allocno.
1073 (create_cap_allocno): Check next_coalesced_allocno,
1074 first_coalesced_allocno.
1076 * common.opt (fira-coalesce): New option.
1078 * ira.c (setup_reg_class_intersect): New function.
1079 (reg_class_subintersect): New global variable.
1080 (init_ira_once): Call setup_reg_class_intersect.
1082 * doc/invoke.texi (-fira-coalescing): New option.
1084 2007-09-20 Vladimir Makarov <vmakarov@redhat.com>
1086 * ira-build.c (create_allocno): Initialize ALLOCNO_BEST_CLASS.
1088 * ira-color.c (add_allocno_to_ordered_bucket): Use
1091 * ira-costs.c (setup_allocno_cover_class_and_costs): Initialize
1094 * ira-int.h (allocno): New member best_class.
1095 (ALLOCNO_BEST_CLASS): New macro.
1097 2007-09-19 Vladimir Makarov <vmakarov@redhat.com>
1099 * ira-int.h (allocno): Remove calls_crosed. Add
1100 calls_crossed_start.
1101 (ALLOCNO_CALLS_CROSSED): Remove.
1102 (ALLOCNO_CALLS_CROSSED_START): Add.
1104 (regno_calls, add_regno_call): New.
1106 * ira-build.c (initiate_calls, finish_calls, add_regno_call): New
1108 (regno_calls, regno_calls_num): New globals.
1110 (add_loop_to_tree): Use loop_outer.
1111 (form_loop_tree): Ditto.
1112 (initiate_allocnos, create_cap_allocno): Remove
1113 ALLOCNO_CALLS_CROSSED. Add ALLOCNO_CALLS_CROSSED_START.
1114 (finish_allocnos): Remove ALLOCNO_CALLS_CROSSED.
1115 (create_bb_allocnos, create_loop_allocnos): Use DF_LR_{IN,OUT}
1116 instead of DF_UPWARD_LIVE_{IN,OUT}.
1117 (ira_build): Remove adding df problems and call of
1118 free_dominance_info. Call initiate_calls.
1119 (ira_destroy): Add free_dominance_info and finish_calls. Remove
1122 * ira-emit.c (change_regs): Return the result.
1123 (generate_edge_moves): Use DF_LR_{IN,OUT} instead of
1124 DF_UPWARD_LIVE_{IN,OUT}.
1125 (change_loop): Call df_insn_rescan and df_note_rescan if there is
1127 (can_move_through_p): Use hard_reg_set_equal_p instead of
1128 GO_IF_HARD_REG_EQUAL.
1130 * ira-costs.c (copy_cost, record_reg_classes,
1131 record_address_regs): Call init_move_cost if it is necessary.
1132 (tune_allocno_costs_and_cover_classes): Use regno_calls and
1133 ALLOCNO_CALLS_CROSSED_START instead of ALLOCNO_CALLS_CROSSED.
1135 * ira-conflicts.c (n_regs_set): Remove.
1136 (regs_set): Make it a vector.
1137 (mark_reg_store, mark_reg_clobber): Change 2nd parameter type.
1138 (process_bb_node_for_conflicts): Use DF_LR_IN instead of
1139 DF_UPWARD_LIVE_IN. Call add_regno_call. Initialize
1140 ALLOCNO_CALLS_CROSSED_START. Remove ALLOCNO_CALLS_CROSSED.
1141 (build_conflict_bit_table): Initialize and finalize regs_set.
1142 (propagate_allocno_info): Remove ALLOCNO_CALLS_CROSSED.
1143 Initialzie ALLOCNO_CALLS_CROSSED_START.
1145 * ira-color.c (setup_allocno_available_regs_num,
1146 setup_allocno_left_conflicts_num): New functions.
1147 (update_allocno_avaialable_regs): Remove.
1148 (sorted_allocnos, allocno_stack_varray): Move upper.
1149 (assign_hard_reg): Use hard_reg_set_subset_p instead of
1150 GO_IF_HARD_REG_SUBSET.
1151 (loop_edge_freq): Use DF_LR_{IN,OUT} instead of
1152 DF_UPWARD_LIVE_{IN,OUT}.
1153 (put_allocno_into_bucket): Call setup_allocno_available_regs_num
1154 and setup_allocno_left_conflicts_num.
1155 (print_loop_title): Use loop_depth.
1156 (allocno_priority_compare_func): Remove REG_N_REFS and
1158 (retry_ira_color): Use SET_REGNO. Use ALLOCNO_CALLS_CROSSED_NUM
1159 instead of ALLOCNO_CALLS_CROSSED.
1160 (collect_pseudo_call_clobbered_regs): Use regno_calls and
1161 ALLOCNO_CALLS_CROSSED_START instead of ALLOCNO_CALLS_CROSSED.
1163 * ira-call.c (init_ira_call_data): Add argument to
1165 (n_regs_set): Remove.
1166 (regs_set): Make it a vector.
1167 (mark_reg_store, mark_reg_clobber): Change 2nd parameter type.
1168 (mark_referenced_regs): Check null x.
1169 (put_save_restore_and_calculate_local_info): Initialize and
1170 finalize regs_set. Use DF_LR_{IN,OUT} instead of
1171 DF_UPWARD_LIVE_{IN,OUT}. Use loop_outer.
1172 (do_init_nothing): Remove.
1173 (save_trans_fun, save_con_fun_0, restore_trans_fun,
1174 restore_con_fun_0): Remove 1st parameter.
1175 (save_con_fun_n, restore_con_fun_n): Ditto. Use
1176 df_simple_dataflow instead of df_analyze_problem.
1177 (put_save_restore): Use DF_LR_IN instead of DF_UPWARD_LIVE_IN.
1178 Call mark_all_referenced_regs for all insn. Use bitmap progress.
1179 (get_move_insn): New function.
1180 (put_save_restore_and_calculate_local_info, put_save_restore): Use
1183 * ira.c (insn_contains_asm_1, insn_contains_asm,
1184 compute_regs_asm_clobbered, expand_reg_info): New functions.
1185 (setup_class_subset_and_move_costs): Use hard_reg_set_subset_p
1186 instead of GO_IF_HARD_REG_SUBSET.
1187 (setup_reg_subclasses, setup_class_translate): Ditto. Use
1188 hard_reg_set_equal_p instead of GO_IF_HARD_REG_EQUAL.
1189 (setup_eliminable_regset): Call compute_regs_asm_clobbered. Use
1190 df_set_regs_ever_live instead of regs_ever_live.
1191 (setup_reg_renumber): Check reg_equiv_const and
1192 reg_equiv_invariant_p.
1193 (ira): Remove no_new_pseudos. Add df-problems and analyze. Call
1194 regstat_init_n_sets_and_refs and regstat_compute_ri. Remove
1195 delete_unreachable_blocks. Use expand_reg_info. Move
1196 setup_preferred_alternate_classes upper. Remove life_analysis.
1197 Prepare df-insfrastructure for reload.
1199 * regclass.c (setup_reg_classes): Don't use reg_pref_buffer.
1201 * function.[ch] (get_call_invalidated_used_regs): Change 1st
1204 * gengtype.c (main): Add HARD_REG_SET.
1206 * alias.c (value_addr_p): New function.
1207 (nonoverlapping_memrefs_p): Use it.
1209 * caller-save.c (init_caller_save): Use DF_LR_TOP for IRA instead
1210 of global_live_at_start.
1212 2007-05-04 Vladimir Makarov <vmakarov@redhat.com>
1214 * ira-conflicts.c: Change pseudo to allocno.
1215 * ira-color.c: Ditto.
1216 * ira-emit.c: Ditto.
1217 * ira-build.c: Ditto.
1219 (important_classes_num, important_classes): New variables.
1220 (setup_cover_classes): Set up the variable values.
1221 * ira-costs.c: Ditto.
1222 (record_reg_classes, record_address_regs, scan_one_insn,
1223 find_pseudo_class_costs): Process only important classes.
1224 * ira-call.c: Ditto. Add comments about placement optimization.
1226 (allocno) Use one bit field for boolean members.
1227 (important_classes_num, important_classes): New external
1230 2007-03-16 Vladimir Makarov <vmakarov@redhat.com>
1232 * flags.h (ira_algorithm): Add IRA_ALGORITHM_MIXED.
1234 * opts.c (common_handle_option): Set up IRA_ALGORITHM_MIXED from
1235 the option argument.
1237 * common.opt (fira-assign-after-call-split, fira-propagate-cost,
1238 fira-split-around-calls): New options.
1239 (fira-ipra): Switch off by default.
1241 * doc/invoke.texi (-fira-algorithm): Add mixed algorithm.
1242 (-fno-ira-ipra): Rename to -fira-ipra.
1243 (-fno-ira-assign-after-call-split, -fira-propagate-cost,
1244 -fno-ira-split-around-calls): Add new options.
1246 * ira-conflicts.c (curr_reg_pressure): New variable.
1247 (set_pseudo_live, clear_pseudo_live, mark_reg_store,
1248 mark_reg_death): Update reg pressure.
1249 (add_pseudo_copies): Decrease cost for copy with dead pseudo.
1250 (process_bb_node_for_conflicts): Propagate reg pressure.
1251 (build_conflict_bit_table): Call process_bb_node_for_conflicts in
1253 (ira_build_conflicts): Add new coloring algorithm.
1254 (ira_build_conflicts): Add flag_ira_split_around_calls.
1256 * ira-emit.c (change_loop): Print allocation on the region
1257 borders. Use pseudo_cap_member instead of regno.
1258 (modify_move_list): Add parameter to create pseudo.
1259 (ira_emit): Use pseudo_cap_member instead of regno.
1261 * ira-build.c (create_loop_tree_nodes): Set up initial reg
1263 (create_pseudo): Add parameter. Use the parameter value instead
1265 (print_expanded_pseudo): Use pseudo_cap_member instead of regno.
1266 (create_cap_pseudo, create_insn_pseudos, create_bb_pseudos,
1267 create_loop_pseudos): Add argument to create_pseudo call.
1268 (create_pseudos, ira_build): Process IRA_ALGORITHM_MIXED.
1269 (create_loop_tree_node_caps): Create cap pseudo for all pseudos
1270 not having father pseudo.
1272 * final.c (rest_of_handle_final): Process INCOMING_REGNO.
1274 * toplev.h (flag_ira_assign_after_call_split,
1275 flag_ira_propagate_cost, flag_ira_split_around_calls): New flags.
1277 * caller-save.c (save_call_clobbered_regs): Move declaration
1278 this_insn_sets to the function start.
1280 * ira-int.h (ira_loop_tree_node): Add reg_pressure.
1281 (pseudo): More comments for regno and cap_member
1282 (original_regno_call_crossed_p, ira_max_regno_before,
1283 ira_max_regno_call_before): New external variables.
1284 (create_pseudo): Add parameter.
1285 (reassign_conflict_pseudos, debug_ira_call_data,
1286 split_around_calls, get_around_calls_regno): New function
1289 * ira-color.c (assign_hard_reg): Set best_hard_regno and
1290 conflict_regs earlier. Check register availability earlier.
1291 Ignore conflict and copy cost for PSEUDO_MAY_BE_SPILLED_P.
1292 (calculate_pseudo_spill_cost): Use pseudo_cap instead of regno.
1293 Check father pseudo instead of subloop pseudos.
1294 (pop_pseudos_from_stack): Set up PSEUDO_ASSIGNED_P for NO_REGS
1296 (print_loop_title): Print reg pressure.
1297 (color_pass): Use PSEUDO_CAP_MEMBER instead of regno. Add mixed
1299 (move_spill_restore): Use PSEUDO_CAP_MEMBER instead of regno. Use
1300 subloop pseudos instead of father pseudo for cost calculation.
1301 (setup_curr_costs, reassign_conflict_pseudos): New functions.
1302 (retry_ira_color): Don't allocate call used registers when
1303 flag_caller_saves or flag_ira_split_around_calls. Call
1304 setup_curr_cost. Print about spilling pseudo split around calls.
1305 (reuse_stack_slot): Choose the slot with minimal memory-memory
1308 * ira.c (setup_reg_renumber): Add 2 parameters. Use cap_number
1309 instead of regno. Initialize caller_save_needed. Make assertion
1311 (setup_pseudo_assignment_from_reg_renumber): New function.
1312 (calculate_allocation_cost): Add assertion.
1313 (print_redundant_copies): Use cap_number instead of regno.
1314 (original_regno_call_crossed_p, ira_max_regno_before,
1315 ira_max_regno_call_before): New global variables.
1316 (ira): Process IRA_ALGORITHM_MIXED. Set up
1317 ira_max_regno_call_before and ira_max_regno_before. New arguments
1318 for setup_reg_renumber. Reassign if pseudo changed its class.
1319 Split pseudos around the call if necessary. Reassign if a pseudo
1322 * ira.h: New year for Copyright.
1324 * ira-costs.c (reg_pref): Rename to pseudo_pref.
1325 (reg_pref_buffer): rename to pseudo_pref_buffer.
1326 (find_pseudo_class_costs): Initialize best_cost and best_class.
1327 Process IRA_ALGORITHM_MIXED. Find best cover class for regno.
1328 (process_bb_node_for_hard_reg_moves): Process IRA_ALGORITHM_MIXED.
1330 * Makefile.in (ira-call.o): Add new file.
1332 * reload1.c (calculate_needs_all_insns): Remove unnecessary
1335 * ira-call.c: New file.
1337 2007-02-09 Vladimir Makarov <vmakarov@redhat.com>
1339 * common.opt (fipra): Rename to fira-ipra. Make it default.
1340 (fira-move-spills, fira-share-save-slots, fira-share-spill-slots):
1342 * toplev.h (flag_ipra): Rename to flag_ira_ipra.
1343 (flag_ira_move_spills, flag_ira_share_save_slots,
1344 flag_ira_share_spill_slots): New external definitions.
1345 * doc/invoke.texi (-fipra): Rename to -fno-ira-ipra.
1346 (-fno-ira-move-spills, -fno-ira-share-save-slots,
1347 -fno-ira-share-spill-slots): New options.
1348 * function.c (get_call_invalidated_used_regs): Rename flag_ipra to
1350 * ira-costs.c (tune_pseudo_costs_and_cover_classes): Ditto.
1351 * caller-save.c (setup_save_areas): Use flag_ira_share_save_slots.
1352 Rename flag_ipra to flag_ira_ipra.
1353 (flag_ira_share_save_slots): Use flag_ira_move_spills.
1354 * ira-color.c (assign_hard_reg): Skip pseudos with different cover
1356 (reuse_stack_slot): Use flag_ira_share_spill_slots.
1357 * config/arm/arm.h (IRA_COVER_CLASSES): New macro.
1359 2007-02-31 Vladimir Makarov <vmakarov@redhat.com>
1361 * reload.h (debug_save_data): New definition.
1363 * caller-save.c (struct bb_info): New.
1364 (BB_INFO, BB_INFO_BY_INDEX): New macros.
1365 (calculate_local_save_info, set_up_bb_rts_numbers, rpost_cmp,
1366 calculate_save_in_out, calculate_save_here,
1367 make_global_save_analysis, print_hard_reg_set_and_mode,
1368 print_hard_reg_set, print_save_data, debug_save_data,
1369 set_hard_reg_saved): New functions.
1370 (save_call_clobbered_regs): Make global save analysis and use it
1371 to put save/restore code.
1372 (insert_one_insn): Check CODE_LABEL.
1374 2007-01-19 Vladimir Makarov <vmakarov@redhat.com>
1376 * toplev.h (flag_ipra): New external definition.
1378 * common.opt (fipra): New option.
1380 * doc/invoke.texi (-fipra); Document the option.
1382 * cgraph.h (cgraph_node): New member function_used_regs.
1384 * cgraph.c (cgraph_create_node): Initialize function_used_regs.
1386 * final.c (update_regs_ever_live): New function.
1387 (rest_of_handle_final): Set up function_used_regs and
1390 * ira-build.c (ira_build): Clear function call_used_regs.
1392 * function.h: Add hard-reg-set.h header.
1393 (emit_status): New member call_used_regs.
1394 (get_call_invalidated_used_regs): New definition.
1396 * function.c (get_call, get_call_invalidated_used_regs): New
1399 * Makefile.in (FUNCTION_H): Add hard-reg-set.h.
1400 (caller-save.o): Add dependence on output.h and ira.h
1402 * regrename.c (copyprop_hardreg_forward_1): Use function
1403 get_call_invalidated_used_regs.
1405 * ira-conflicts.c (process_bb_node_for_conflicts): Ditto.
1407 * postreload-gcse.c (record_opr_changes,
1408 reg_set_between_after_reload_p, reg_used_between_after_reload_p):
1411 * postreload.c (reload_combine, reload_cse_move2add): Ditto.
1413 * rtlanal.c (reg_set_between_p): Ditto.
1415 * flow.c (propagate_one_insn): Ditto.
1417 * df-scan.c (df_insn_refs_record): Ditto.
1419 * gcse.c (compute_hash_table_work, compute_store_table): Ditto.
1421 * cselib.c (cselib_process_insn): Ditto.
1423 * loop-iv.c (simplify_using_assignment): Ditto.
1425 * sched-deps.c (sched_analyze): Ditto.
1427 * combine.c (record_dead_and_set_regs): Ditto.
1429 * resource.c (mark_set_resources, mark_set_resources): Ditto.
1431 * var-tracking.c (var-tracking.c): Ditto.
1433 * reload1.c (reload): Ditto.
1435 * cse.c (invalidate_for_call): Ditto. Add parameter.
1436 (cse_insn): Pass the parameter.
1438 * ira.h (try_to_migrate): Remove the definition.
1439 (collect_pseudo_call_clobbered_regs): New external definition.
1441 * ira-color.c (collect_pseudo_call_clobbered_regs): New function.
1443 * ira-costs.c (tune_pseudo_costs_and_cover_classes): Add cost
1444 calculation when IPRA is used.
1446 * caller-save.c: Include headers output.h and ira.h.
1447 (saved_hard_reg): New structure.
1448 (hard_reg_map, hard_reg_map, all_saved_regs): New variables.
1449 (all_saved_regs, new_saved_hard_reg, finish_saved_hard_regs,
1450 saved_hard_reg_compare_func): New functions.
1451 (setup_save_areas): Add code for sharing stack slots.
1452 (save_call_clobbered_regs): Use function
1453 get_call_invalidated_used_regs.
1455 2007-01-12 Vladimir Makarov <vmakarov@redhat.com>
1457 * doc/tm.texi (IRA_HARD_REGNO_ADD_COST_MULTIPLIER): New macro.
1459 * ira-conflicts.c (add_pseudo_copies): Add copy between output and
1460 died operand pseudos.
1462 * ira.c (setup_cover_classes, setup_class_translate): Define and
1463 call only when IRA_COVER_CLASSES is defined.
1464 (no_alloc_regs): Rename to no_unit_alloc_regs.
1465 (setup_eliminable_regset): Set up no_alloc_regs.
1467 * ira-costs.c (tune_pseudo_costs_and_cover_classes): Modify cost
1468 if IRA_HARD_REGNO_ADD_COST_MULTIPLIER is defined.
1470 * config/s390/s390.h (IRA_COVER_CLASSES,
1471 IRA_HARD_REGNO_ADD_COST_MULTIPLIER(regno)): Define.
1473 2006-12-22 Vladimir Makarov <vmakarov@redhat.com>
1475 * rtl.h (setup_reg_classes): New function prototype.
1477 * regclass.c (setup_reg_classes): New function.
1479 * global.c (global_alloc): Dump information about register
1482 * ira-int.h (ira_build): Change prototype signature.
1484 * ira-color.c (pseudo_compare_func): Rename to
1485 pseudo_priority_compare_func.
1486 (priority_coloring): Dump information about register
1489 * ira-build.c (ira_build): Return true if we have loops for the
1492 * ira.c (setup_preferred_alternate_classes): New function.
1493 (ira): Use it instead of regclass. Rebuild only if we have loops.
1495 2006-12-15 Vladimir Makarov <vmakarov@redhat.com>
1497 * ira.h, ira-int.h, ira.c, ira-build.c, ira-costs.c
1498 ira-conflicts.c, ira-color.c, ira-emit.c: New files.
1500 * flags.h (ira_algorithm): New enumeration.
1501 (flag_ira_algorithm): New external variable declaration.
1503 * tree-pass.h (pass_ira): New external variable declaration.
1505 * toplev.c (ira.h): New include.
1506 (flag_ira_algorithm): New global variable.
1507 (backend_init): Call init_ira_once.
1509 * toplev.h (flag_ira, flag_ira_biased_coloring): New external
1510 variable declarations.
1512 * regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
1513 may_move_out_cost): New external variable declarations.
1515 * caller-save.c (no_caller_save_reg_set): New global variable.
1516 (init_caller_save): Set up no_caller_save_reg_set.
1518 * global.c (eliminable_regset): Make it external.
1519 (gate_handle_global_alloc): New function.
1520 (pass_global_alloc): Add the gate function.
1522 * opts.c (decode_options): Print the warning for -fira.
1523 (common_handle_option): Process -fira-algorithm option.
1525 * timevar.def (TV_IRA): New pass.
1527 * hard-reg-set.h (no_caller_save_reg_set): New external variable
1530 * regmove.c (regmove_optimize): Don't do replacement of output
1531 operands by input operands.
1532 (rest_of_handle_regmove): Don't do CFG cleanup for IRA.
1534 * local-alloc.c (update_equiv_regs): Make it external. Return
1535 true if jump label rebuilding should be done.
1536 (gate_handle_local_alloc): New function.
1537 (pass_local_alloc): Add the gate function.
1539 * alias.c (stack_addr_p): New function.
1540 (nonoverlapping_memrefs_p): Add code for IRA.
1542 * common.opt (fira, fira-algorithm, fira-biased-coloring): New
1545 * regclass.c (contains_reg_of_mode, move_cost, may_move_in_cost,
1546 may_move_out_cost): Make the variables external.
1548 * rtl.h (eliminable_regset): New external variable declaration.
1549 (update_equiv_regs): New external function definition.
1551 * Makefile.in (IRA_INT_H): New definition.
1552 (OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
1553 ira-conflicts.o, ira-color.o, and ira-emit.o.
1554 (reload1.o, toplev.o): Add dependence on ira.h.
1555 (ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
1556 ira-emit.o): New entries.
1558 * passes.c (pass_ira): New pass.
1560 * reload1.c (alter_reg): Add a new parameter.
1561 (pseudo_reg_compare): New function.
1562 (reload): Sort pseudos for IRA. Call alter_reg with the
1563 additional parameter.
1564 (count_spilled_pseudo): New variable freq. Use it.
1565 (alter_reg): Add code for IRA.
1566 (eliminate_regs_1, finish_spills, emit_input_reload_insns,
1567 delete_output_reload): Use additional parameter for alter_reg.
1568 (finish_spills, emit_input_reload_insns, delete_output_reload):
1569 Call mark_allocation_change.
1570 (finish_spills): Call retry_ira_color.
1572 * doc/invoke.texi: Describe new options -fira,
1573 -fira-biased-coloring, and -fira-algorithm.
1575 * doc/passes.texi: Decribe IRA.
1577 * doc/tm.texi: Decribe macro IRA_COVER_CLASSES.
1579 * config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
1581 * config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
1583 * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
1585 * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
1587 Richard Henderson <rth@redhat.com>
1589 * tree-pass.h (pass_lower_subreg): New external definition.
1590 * toplev.h (flag_lower_subreg): New external definition.
1591 * rtl.def (CONCATN): New rtl expression.
1592 * dwarf2out.c (concatn_loc_descriptor): New function.
1593 (loc_descriptor): Process CONCATN.
1594 * timevar.def (TV_LOWER_SUBREG): New definition.
1595 * emit-rtl.c (gen_reg_rtx_offset): New function.
1596 (gen_lowpart_common): Process CONCATN.
1597 * simplify-rtx.c (simplify_subreg): Process CONCATN.
1598 * common.opt (flower-subreg): New options.
1599 * rtl.h (gen_reg_rtx_offset): New external definition.
1600 * Makefile.in (OBJS-common): Add lower-subreg.o.
1601 (lower-subreg.o): New entry.
1602 * passes.c (pass_lower_subreg): Add new pass.
1603 * lower-subreg.c: New file.
1605 2008-03-28 Rafael Espindola <espindola@google.com>
1607 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
1608 (tree_binary_nonnegative_warnv_p): Make it public.
1609 (tree_single_nonnegative_warnv_p): Make it public.
1610 (tree_invalid_nonnegative_warnv_p): Make it public.
1611 (tree_unary_nonzero_warnv_p): Make it public.
1612 (tree_binary_nonzero_warnv_p): Make it public
1613 (tree_single_nonzero_warnv_p): Make it public.
1614 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
1615 (extract_range_from_binary_expr): Split the expr argument.
1616 (extract_range_from_unary_expr): Split the expr argument.
1617 (extract_range_from_comparison): Split the expr argument.
1618 (extract_range_from_expr): Use the new aux functions.
1619 (vrp_evaluate_conditional_warnv): Use
1620 vrp_evaluate_conditional_warnv_with_ops.
1621 * tree.h (tree_unary_nonzero_warnv_p): Declare.
1622 (tree_binary_nonzero_warnv_p): Declare.
1623 (tree_single_nonzero_warnv_p): Declare.
1624 (tree_expr_nonzero_warnv_p): Declare.
1625 (tree_unary_nonnegative_warnv_p): Declare.
1626 (tree_binary_nonnegative_warnv_p): Declare.
1627 (tree_single_nonnegative_warnv_p): Declare.
1628 (tree_invalid_nonnegative_warnv_p): Declare.
1630 2008-03-28 Richard Guenther <rguenther@suse.de>
1632 PR tree-optimization/30317
1633 PR tree-optimization/30911
1634 PR tree-optimization/34793
1635 * tree-vrp.c (set_and_canonicalize_value_range): New function.
1636 (struct assert_locus_d): New member EXPR.
1637 (register_new_assert_for): Add EXPR parameter to support
1638 ASSERT_EXPR <name, expr OP limit>.
1639 (register_edge_assert_for_1): Adjust callers.
1640 (find_assert_locations): Likewise.
1641 (process_assert_insertions_for): Build condition from
1643 (extract_range_from_assert): Handle ASSERT_EXPRs
1644 of the form ASSERT_EXPR <name, expr OP limit>.
1645 (register_edge_assert_for_2): New helper registering
1646 asserts for comparisons. Recognize range tests of the form
1647 (unsigned)i - CST1 OP CST2.
1648 (register_edge_assert_for_1): Use it.
1649 (register_edge_assert_for): Likewise.
1650 (needs_overflow_infinity): Integer sub-types
1651 do not need overflow infinities.
1652 (vrp_val_is_max): The extreme values of integer sub-types
1653 are those of the base type.
1654 (vrp_val_is_min): Likewise.
1655 * tree.def (ASSERT_EXPR): Document extra allowed conditional
1658 2008-03-28 Nick Clifton <nickc@redhat.com>
1660 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
1661 Return GENERAL_REGS for stack adjustment reloads.
1663 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1666 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
1667 const_vector when all the vectors are constant.
1669 2008-03-27 Bob Wilson <bob.wilson@acm.org>
1671 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
1673 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
1674 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
1676 (s<code>_sf): Use new scc_sf attribute for opcode names.
1678 2008-03-27 Tom Tromey <tromey@redhat.com>
1680 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
1681 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
1682 config/spu/t-spu-elf, config/i386/t-interix,
1683 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
1684 config/i386/x-darwin, config/i386/x-mingw32,
1685 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
1686 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
1687 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
1688 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
1689 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
1690 config/rs6000/x-darwin, config/rs6000/t-rs6000,
1691 config/score/t-score-elf, config/arm/t-strongarm-pe,
1692 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
1693 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
1694 Revert automatic dependency patch.
1696 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
1699 * config/i386/i386.c (ix86_function_arg_boundary): Align
1700 decimal floating point to its natural boundary.
1702 2008-03-27 Richard Guenther <rguenther@suse.de>
1705 * fold-const.c (fold_comparison): Restrict distinct decl
1706 comparison folding to VAR_DECLs and PARM_DECLs. Do not
1707 solely rely on operand_equal_p.
1709 2008-03-27 Richard Guenther <rguenther@suse.de>
1712 * c-common.c (handle_weak_attribute): Reject combination of
1715 2008-03-27 Richard Guenther <rguenther@suse.de>
1717 PR tree-optimization/32810
1718 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
1719 conversions from DECL_INITIAL.
1720 (fold_const_aggregate_ref): Likewise from constructor elements.
1722 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
1724 * tree-affine.h (aff_combination_expand): Declare.
1725 (get_inner_reference_aff): Likewise.
1726 * tree-affine.c (aff_combination_expand): Split out from
1727 tree_to_aff_combination_expand.
1728 (get_inner_reference_aff): New function.
1729 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
1730 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
1731 (struct lim_aux_data): sm_done field removed.
1732 (mem_ref_loc_p, mem_ref_locs_p): New types.
1733 (struct mem_ref): Added id, stored, accesses_in_loop,
1734 indep_loop, dep_loop, indep_ref, dep_ref fields.
1735 Removed is_stored, locs and next fields.
1736 (memory_accesses): New variable.
1737 (movement_possibility): Do not allow moving statements
1738 that store to memory.
1739 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
1741 (determine_max_movement): For statements with memory references,
1742 find the outermost loop in that the reference is independent.
1743 (move_computations_stmt): Mark the virtual operands for
1745 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
1746 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
1747 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
1748 add_vop_ref_mapping, create_vop_ref_mapping_loop,
1749 create_vop_ref_mapping, analyze_memory_references,
1750 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
1751 get_all_locs_in_loop, ref_always_accessed_p,
1752 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
1753 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
1754 store_motion_loop, store_motion): New functions.
1755 (struct vop_to_refs_elt): New type.
1756 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
1757 memref_hash, memref_eq, hoist_memory_references): Rewritten.
1758 (schedule_sm): Replaced by...
1759 (execute_sm): ... this.
1760 (determine_lsm_ref, hoist_memory_references,
1761 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
1762 find_more_ref_vops, free_mem_ref, free_mem_refs,
1763 determine_lsm_loop, determine_lsm): Removed.
1764 (tree_ssa_lim_finalize): Free data structures used by store
1766 (tree_ssa_lim): Call analyze_memory_references. Use
1767 store_motion instead of determine_lsm.
1769 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
1771 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
1772 rename tmake_file to m68hc11/t-m68hc11.
1773 (mcore): Set inhibit_libc to true.
1774 * config.host (alpha*-dec-*vms*): Set extra_programs.
1775 (interix3*): Don't use host_xmake_file.
1776 * configure.ac: Let config.gcc override inhibit_libc.
1777 * configure: Regenerate.
1779 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
1780 * config/t-openbsd-thread: Remove commented out lines.
1782 * config/x-interix: Remove.
1784 * config/m68hc11/t-m68hc11-gas: Rename to...
1785 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
1787 * config/mcore/t-mcore: Remove T_CFLAGS.
1788 * config/mcore/t-mcore-pe: Likewise.
1790 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
1792 * configure.ac: Replace custom __GNU_SOURCE test with
1793 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
1794 * aclocal.m4: Regenerate.
1795 * configure: Regenerate.
1796 * config.in: Regenerate.
1798 2008-03-27 Richard Guenther <rguenther@suse.de>
1800 * fold-const.c (target.h): Include.
1801 (fold_comparison): Fold comparison of addresses of decls
1802 that bind locally or of constants. Consolidate address folding code.
1803 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
1804 results from fold_binary_to_constant.
1805 (compare_values_warnv): Likewise.
1807 2008-03-27 Andrew Pinski <pinskia@gmail.com>
1810 * fold-const.c (fold_truthop): Check for integeral types when folding
1811 a == 0 && b == 0 and a != 0 || b != 0 .
1813 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
1815 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
1817 2008-03-26 Andreas Schwab <schwab@suse.de>
1819 * doc/invoke.texi: Fix use of @item vs. @itemx.
1821 2008-03-26 Tom Tromey <tromey@redhat.com>
1823 * Makefile.in (build/gensupport.o, build/print-rtl.o,
1824 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
1825 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
1826 build/gencodes.o, build/genconditions.o, build/genconfig.o,
1827 build/genconstants.o, build/genemit.o, build/genextract.o,
1828 build/genflags.o, build/genmddeps.o, build/genopinit.o,
1829 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
1832 2008-03-26 Richard Guenther <rguenther@suse.de>
1835 2008-03-26 Richard Guenther <rguenther@suse.de>
1837 * fold-const.c (target.h): Include.
1838 (fold_comparison): Fold comparison of addresses of two decls
1839 that bind locally. Consolidate address folding code.
1841 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1843 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
1844 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
1845 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
1846 dconstsqrt2, dconstthird, dconste and/or dconst10.
1847 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
1848 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
1849 dconstsqrt2, dconste): Delete.
1850 (init_emit_once): Likewise. Simplify initializing dconstm1.
1852 * real.c (get_real_const): New.
1853 * real.h (dconst3, dconst10, dconstm2, dconstthird,
1854 dconstsqrt2, dconste): Delete.
1855 (real_value_const, get_real_const): New.
1857 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
1859 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
1861 * config/i386/i386.c (ix86_function_arg_boundary): Check
1862 BIGGEST_ALIGNMENT instead of 128.
1863 (setup_incoming_varargs_64): Likewise.
1865 2008-03-26 Tom Tromey <tromey@redhat.com>
1867 * Makefile.in (DEPFILES): Add missing '/'.
1869 2008-03-26 Richard Guenther <rguenther@suse.de>
1871 * fold-const.c (target.h): Include.
1872 (fold_comparison): Fold comparison of addresses of two decls
1873 that bind locally. Consolidate address folding code.
1875 2008-03-26 Nick Clifton <nickc@redhat.com>
1878 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
1879 not allow INT+INT as a legitimate addressing mode.
1881 2008-03-26 Richard Guenther <rguenther@suse.de>
1883 * tree-flow.h (widen_bitfield): Remove declaration.
1884 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
1885 (widen_bitfield): Remove function.
1886 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
1889 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
1892 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
1895 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
1897 PR rtl-optimization/35232
1898 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
1899 (forget_old_reloads_1, forget_marked_reloads): Don't clear
1900 reg_reloaded_call_part_clobbered here.
1901 (reload_regs_reach_end_p): New function.
1902 (reload_reg_rtx_for_input): New variable.
1903 (reload_reg_rtx_for_output): Likewise.
1904 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
1905 when reassigning a pseudo register. Load reloadreg from
1906 reload_reg_rtx_for_input, moving the mode and register
1908 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
1909 instead of the original when deciding whether an input reload
1910 would be a no-op or whether an output reload can be deleted.
1911 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
1912 when setting up new_spill_reg_store. Load it from
1913 reload_reg_rtx_for_output, moving the mode and register
1915 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
1916 instead of the original when deciding whether an output reload
1917 would be a no-op. Do the same when modifying insn notes.
1918 Use rtx_equal_p instead of == to compare the registers.
1919 (inherit_piecemeal_p): Take a mode and two register numbers
1921 (emit_reload_insns): Clear new_spill_reg_store for every hard
1922 register in the reload register. Remove spill registers
1923 from reg_reloaded_valid before considering whether to record
1924 inheritance information for them. Use reload_reg_rtx_for_output
1925 instead of reg_rtx when recording output reloads. Use
1926 reload_reg_rtx_for_input instead of reg_rtx when recording
1927 input reloads. Set or clear reg_reloaded_call_part_clobbered
1928 at the same time as setting reg_reloaded_valid.
1929 (delete_output_reload): Add a new_reload_reg parameter and use it
1930 instead of rld[j].reg_rtx.
1931 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
1934 2008-03-25 Tom Tromey <tromey@redhat.com>
1936 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
1937 (build/genattr.o): Likewise.
1938 (build/genattrtab.o): Likewise.
1939 (build/gencodes.o): Likewise.
1940 (build/genconfig.o): Likewise.
1941 (build/genconstants.o): Likewise.
1942 (build/genemit.o): Likewise.
1943 (build/genextract.o): Likewise.
1944 (build/genflags.o): Likewise.
1946 2008-03-25 Bob Wilson <bob.wilson@acm.org>
1948 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
1949 instead of size_int for integer types.
1950 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
1951 to match type of MINUS_EXPR.
1953 2008-03-25 Tom Tromey <tromey@redhat.com>
1955 * configure: Rebuilt.
1956 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
1959 2008-03-25 Tom Tromey <tromey@redhat.com>
1961 * config/x-solaris (host-solaris.o): Update.
1962 * config/x-linux (host-linux.o): Update.
1963 * config/x-hpux (host-hpux.o): Update.
1964 * config/x-darwin (host-darwin.o): Update.
1965 * config/v850/t-v850e (v850-c.o): Update.
1966 * config/v850/t-v850 (v850-c.o): Update.
1967 * config/t-vxworks (vxworks.o): Update.
1968 * config/t-sol2 (sol2-c.o, sol2.o): Update.
1969 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
1970 * config/spu/t-spu-elf (spu-c.o): Update.
1972 * config/sh/t-symbian (sh-c.o): Update.
1973 (symbian.o): Update.
1974 * config/sh/t-sh (sh-c.o): Update.
1975 * config/score/t-score-elf (score7.o, score3.o): Update.
1976 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
1977 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
1978 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
1979 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
1981 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1982 * config/m32c/t-m32c (m32c-pragma.o): Update.
1983 * config/ia64/t-ia64 (ia64-c.o): Update.
1984 * config/i386/x-mingw32 (host-mingw32.o): Update.
1985 * config/i386/x-i386 (driver-i386.o): Update.
1986 * config/i386/x-darwin (host-i386-darwin.o): Update.
1987 * config/i386/x-cygwin (host-cygwin.o): Update.
1988 * config/i386/t-nwld (nwld.o): Update.
1989 * config/i386/t-netware (netware.o): Update.
1990 * config/i386/t-interix (winnt.o): Update.
1991 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
1992 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
1993 msformat-c.o): Update.
1994 * config/bfin/t-bfin-linux (generated_files): Add
1995 linux-sysroot-suffix.h.
1996 * config/arm/t-wince-pe (pe.o): Update.
1997 * config/arm/t-strongarm-pe (pe.o): Update.
1998 * config/arm/t-pe (pe.o): Update.
1999 * config/arm/t-arm (arm-c.o): Update.
2000 * doc/install.texi (Prerequisites): Require make 3.80.
2001 * Makefile.in: Remove .o targets.
2002 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
2003 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
2004 (simple_generated_h, simple_generated_c): Move earlier.
2005 (generated_files): New variable.
2006 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
2007 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
2008 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
2009 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
2010 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
2011 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
2012 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
2013 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
2014 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
2015 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
2016 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
2017 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
2019 (COMPILE.base, COMPILE): New variables.
2020 (%.o): New pattern rule.
2021 (ALL_HOST_OBJS): New variable.
2022 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
2023 (dummy-checksum.o, cc1-checksum.o): Remove.
2024 (DRIVER_SHLIB): New variable.
2025 (DRIVER_DEFINES): Use it.
2026 (gencondmd.c): Move out of build/.
2027 (s-conditions): Update.
2028 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
2029 (ALL_BUILD_OBJS): Likewise.
2030 (build/%.o): Use BUILDCOMPILE.
2031 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
2032 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
2033 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
2034 build/gencheck.o, build/gencodes.o, build/genconditions.o,
2035 build/genconfig.o, build/genconstants.o, build/genemit.o,
2036 build/genextract.o, build/genflags.o, build/genmddeps.o,
2037 build/genopinit.o, build/genoutput.o, build/genpeep.o,
2038 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
2039 build/gen-protos.o, build/scan.o, build/fix-header.o,
2040 build/scan-decls.o): Simplify.
2041 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
2042 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
2043 prefix.o, toplev.o): Reduce to variable setting.
2044 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
2045 ($(out_object_file), gcc-options.o): New targets.
2046 ($(ALL_HOST_OBJS)): New target. Include dependency files.
2047 * configure: Rebuilt.
2048 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
2049 * doc/sourcebuild.texi (Front End Directory): Document new variable.
2051 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
2053 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
2054 complain when we hit an error, return ERROR_MARK_NODE.
2056 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2058 * config/sh/constraints.md (Pso, Psz): New constraints.
2059 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
2060 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
2062 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2064 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
2065 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
2067 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2069 * config/sh/sh.md (prefetch): Add condition for SH2A target.
2070 (prefetch_sh2a): New.
2072 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
2073 Naveen.H.S <naveen.hs@kpitcummins.com>
2075 * config/sh/constraints.md (I28): New constraint.
2076 * config/sh/sh.c (broken_move): Add support for movi20s.
2077 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
2079 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
2080 Jayant Sonar <Jayant.sonar@kpitcummins.com>
2081 Naveen.H.S <naveen.hs@kpitcummins.com>
2083 * config/sh/sh.c (SH_ATTRIBUTES): Define.
2084 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
2085 (print_operand): Handle resbank in %@ operand code.
2086 (sh_encode_section_info): New.
2087 (push_regs): Add conditions for resbank.
2088 (sh_expand_epilogue): Likewise.
2089 (sh_insert_attributes): Likewise.
2090 (sh_attribute_table): Likewise.
2091 (sh_handle_resbank_handler_attribute): New.
2092 (sh2a_handle_function_vector_handler_attribute): New.
2093 (sh2a_is_function_vector_call): New.
2094 (sh2a_get_function_vector_number): New.
2095 (sh2a_function_vector_p): New.
2096 (sh_cfun_resbank_handler_p): New.
2097 * config/sh/sh.md (calli): Emit jsr/n if possible.
2098 (calli_tbr_rel): New.
2099 (calli_pcrel): Emit jsr/n if possible.
2100 (return_i): Emit rts/n if possible.
2101 (call_valuei_tbr_rel): New.
2102 (call_valuei_pcrel): Add condition for SH2A target.
2103 (call_value): Likewise.
2104 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
2105 (sh2a_get_function_vector_number): Likewise.
2106 (sh2a_is_function_vector_call): Likewise.
2107 * doc/extend.texi: Document TBR relative addressing of SH2A.
2108 (resbank): Add description for SH2A.
2110 2008-03-24 Richard Guenther <rguenther@suse.de>
2113 * gimplify.c (gimplify_modify_expr): For frontend type-correct
2114 pointer assignments change conversions according to middle-end rules.
2115 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
2116 * configure.ac: Include type checking in yes.
2117 * configure: Regenerate.
2119 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2121 * diagnostic.c (diagnostic_count_diagnostic): Delete.
2122 (diagnostic_report_diagnostic): Update. Handle ICEs here.
2124 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
2126 * gthr-vxworks.h (UNUSED): Define.
2128 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
2130 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and
2133 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
2135 * doc/extend.texi (Function Attributes): Add missing comma in the
2136 example of the "alloc_size" attribute.
2138 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
2141 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
2143 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2146 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
2149 * stor-layout.c (update_alignment_for_field): Set minimum alignment
2150 of the underlying type of a MS bitfield layout to the natural
2151 alignment of the type.
2153 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
2155 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
2156 to their natural alignment to avoid store forwarding stalls.
2158 2008-03-22 Richard Guenther <rguenther@suse.de>
2160 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
2161 For PHI nodes verify the address is invariant.
2162 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
2163 (get_symbol_constant_value): Use is_gimple_min_invariant.
2164 (maybe_fold_stmt_indirect): Likewise.
2166 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
2168 PR rtl-optimization/33927
2169 * Makefile.in (dse.o): Depend on $(TM_P_H).
2170 * expr.h (extract_low_bits): Declare.
2171 * expmed.c (extract_low_bits): New function.
2172 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
2173 * dse.c: Include tm_p.h.
2174 (find_shift_sequence): Remove the read_reg argument and return the
2175 read value. Emit the instructions instead of returning them.
2176 Iterate on new_mode rather than calculating it each time.
2177 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
2178 source to NEW_MODE and extract_low_bits to convert the shifted
2180 (replace_read): Allow the load and store to have different mode
2181 classes. Use extract_low_bits when SHIFT == 0. Create the shift
2182 or extraction instructions before trying the replacement. Update
2183 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
2185 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
2187 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
2188 to their natural alignment to avoid store forwarding stalls.
2190 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
2193 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
2194 encouraging but not allowing gprs for input;
2195 change the input constraint to !f#r.
2196 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
2198 change the output constraint to !f#r.
2200 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
2203 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
2204 corresponding post-reload splitters.
2205 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
2206 when x87 FP math is selected.
2207 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
2208 New function prototype.
2209 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
2210 unreachable function to ease macroization of insn patterns.
2212 2008-03-21 Martin Jambor <mjambor@suse.cz>
2214 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
2215 reference dumps if ddr is NULL or dependence is unknown.
2217 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2219 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
2220 unsigned extension into account.
2221 (ATOMIC_COMPARE_AND_SWAP): Likewise.
2222 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
2223 Do computations on a scratch register.
2225 2008-03-21 Richard Guenther <rguenther@suse.de>
2227 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
2228 Use is_gimple_min_invariant instead of TREE_INVARIANT.
2229 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
2230 * tree-ssa-dom.c (record_equality): Likewise.
2231 * tree-inline.c (copy_body_r): Likewise.
2232 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
2235 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2237 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
2238 as 'delete_unused' argument.
2240 2008-03-20 Richard Guenther <rguenther@suse.de>
2242 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2243 special casing of constant qualifiers.
2244 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
2245 care about them in general.
2246 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
2247 regardless of their type.
2248 (fold_stmt_r): Forcefully fold *& if we end up with that.
2250 2008-03-20 Paul Brook <paul@codesourcery.com>
2252 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
2253 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
2255 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
2257 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
2258 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
2260 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
2262 * common.opt (Wmudflap): New option.
2263 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
2264 (mx_register_decls): Likewise.
2265 (mudflap_finish_file): Likewise.
2266 * doc/invoke.texi: Document -Wno-mudflap.
2268 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
2270 * c-format.c (replace_format_name_to_system_name): New.
2272 (convert_format_name_to_system_name): New.
2273 (decode_format_attr): Add use of convert_format_name_to_system_name.
2274 (format_types_orig): Add gnu_ prefix to names.
2275 (check_format_info_main): Special treating of \0 escaped names for
2276 supporting multi-character format specifiers as I32, I64.
2277 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
2278 (gnu_target_overrides_format_attributes): New.
2279 * c-format.h: Add structure target_ovr_attr to hold
2280 system specific formatter names.
2281 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
2282 msformat-c.o file to c_target_objs and cxx_target_objs.
2283 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
2284 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
2285 (TARGET_N_FORMAT_TYPES): New.
2286 * config/i386/msformat-c.c: New.
2287 * config/i386/t-cygming: Add build rule for msformat-c.o.
2288 * doc/extend.texi: Add new format names gnu_* and ms_* and
2290 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
2292 2008-03-20 Ira Rosen <irar@il.ibm.com>
2294 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
2295 optimizations turned on under -O3.
2296 (ftree-vectorize): Add that the flag is turned on with -O3.
2298 2008-03-20 Ben Elliston <bje@au.ibm.com>
2300 * regmove.c (try_auto_increment): Fix spelling error in comment.
2301 * final.c (final_scan_insn): Likewise.
2303 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
2306 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
2307 allocator preferences for "y" and "r" class registers.
2308 ("*mov<mode>_internal"): Ditto.
2309 ("*movv2sf_internal_rex64"): Ditto.
2310 ("*movv2sf_internal"): Ditto.
2312 2008-03-19 Michael Matz <matz@suse.de>
2315 * calls.c (expand_call): Check overlap of arguments with call
2316 address for sibcalls.
2318 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
2321 * stor-layout.c (update_alignment_for_field): Set minimum alignment
2322 of the underlying type of a MS bitfield layout to the natural
2323 alignment of the type.
2325 2008-03-19 Jan Hubicka <jh@suse.cz>
2328 * toplev.c (decode_d_option): Handle all CPP flags.
2329 * tree-vrp.c: Update tree_pass descriptors.
2330 * regrename.c: Update tree_pass descriptors.
2331 * fwprop.c: Update tree_pass descriptors.
2332 * doc/invoke.texi: Remove documentation of dropped -d? flags.
2333 * tree-into-ssa.c: Update tree_pass descriptors.
2334 * tree-dump.c: Update tree_pass descriptors.
2335 * tree-complex.c: Update tree_pass descriptors.
2336 * tree-dump.h: Update tree_pass descriptors.
2337 * see.c: Update tree_pass descriptors.
2338 * cgraphbuild.c: Update tree_pass descriptors.
2339 * tracer.c: Update tree_pass descriptors.
2340 * tree-loop-distribution.c: Update tree_pass descriptors.
2341 * cgraph.c: Update tree_pass descriptors.
2342 * postreload-gcse.c: Update tree_pass descriptors.
2343 * postreload.c: Update tree_pass descriptors.
2344 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
2345 * tree-tailcall.c: Update tree_pass descriptors.
2346 * tree-pass.h (tree_opt_pass): Rename to ...
2347 (opt_pass) ... this one; add "type" field and remove letter field.
2348 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
2349 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
2350 all_lowering_passes): Update declaration.
2351 * ipa-cp.c: Update tree_pass descriptors.
2352 * final.c: Update tree_pass descriptors.
2353 * omp-low.c: Update tree_pass descriptors.
2354 * tree-ssa-dse.c: Update tree_pass descriptors.
2355 * ipa-reference.c: Update tree_pass descriptors.
2356 * tree-ssa-uncprop.c: Update tree_pass descriptors.
2357 * auto-inc-dec.c: Update tree_pass descriptors.
2358 * reorg.c: Update tree_pass descriptors.
2359 * cgraphunit.c: Update tree_pass descriptors.
2360 * tree-ssa-copyrename.c: Update tree_pass descriptors.
2361 * tree-ssa-ccp.c: Update tree_pass descriptors.
2362 * df-core.c: Update tree_pass descriptors.
2363 * mode-switching.c: Update tree_pass descriptors.
2364 * tree-nomudflap.c: Update tree_pass descriptors.
2365 * modulo-sched.c: Update tree_pass descriptors.
2366 * ipa-pure-const.c: Update tree_pass descriptors.
2367 * cse.c: Update tree_pass descriptors.
2368 * web.c: Update tree_pass descriptors.
2369 * tree-stdarg.c: Update tree_pass descriptors.
2370 * tree-ssa-math-opts.c: Update tree_pass descriptors.
2371 * tree-ssa-dom.c: Update tree_pass descriptors.
2372 * tree-nrv.c: Update tree_pass descriptors.
2373 * tree-ssa-alias.c: Update tree_pass descriptors.
2374 * loop-init.c: Update tree_pass descriptors.
2375 * gimple-low.c: Update tree_pass descriptors.
2376 * ipa-inline.c: Update tree_pass descriptors.
2377 * tree-ssa-sink.c: Update tree_pass descriptors.
2378 * global.c: Update tree_pass descriptors.
2379 * ifcvt.c: Update tree_pass descriptors.
2380 * jump.c: Update tree_pass descriptors.
2381 * predict.c: Update tree_pass descriptors.
2382 * tree-ssa-loop.c: Update tree_pass descriptors.
2383 * recog.c: Update tree_pass descriptors.
2384 * dse.c: Update tree_pass descriptors.
2385 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
2386 * tree-eh.c: Update tree_pass descriptors.
2387 * regmove.c: Update tree_pass descriptors.
2389 * function.c: Update tree_pass descriptors.
2390 * tree-vectorizer.c: Update tree_pass descriptors.
2391 * gcse.c: Update tree_pass descriptors.
2392 * ipa-type-escape.c: Update tree_pass descriptors.
2393 * tree-if-conv.c: Update tree_pass descriptors.
2394 * init-regs.c: Update tree_pass descriptors.
2395 * ipa.c: Update tree_pass descriptors.
2396 * tree-ssa-phiopt.c: Update tree_pass descriptors.
2397 * rtl-factoring.c: Update tree_pass descriptors.
2398 * lower-subreg.c: Update tree_pass descriptors.
2399 * bt-load.c: Update tree_pass descriptors.
2400 * tree-dfa.c: Update tree_pass descriptors.
2401 * except.c: Update tree_pass descriptors.
2402 * emit-rtl.c: Update tree_pass descriptors.
2403 * cfgexpand.c: Update tree_pass descriptors.
2404 * tree-cfgcleanup.c: Update tree_pass descriptors.
2405 * cfgcleanup.c: Update tree_pass descriptors.
2406 * tree-ssa-pre.c: Update tree_pass descriptors.
2407 * tree-sra.c: Update tree_pass descriptors.
2408 * tree-mudflap.c: Update tree_pass descriptors.
2409 * tree-ssa-copy.c: Update tree_pass descriptors.
2410 * cfglayout.c: Update tree_pass descriptors.
2411 * tree-ssa-forwprop.c: Update tree_pass descriptors.
2412 * tree-ssa-dce.c: Update tree_pass descriptors.
2413 * tree-ssa.c: Update tree_pass descriptors.
2414 * regclass.c: Update tree_pass descriptors.
2415 * integrate.c: Update tree_pass descriptors.
2416 * tree-optimize.c: Update tree_pass descriptors.
2417 * tree-ssa-phiprop.c: Update tree_pass descriptors.
2418 * tree-object-size.c: Update tree_pass descriptors.
2419 * combine.c: Update tree_pass descriptors.
2420 * tree-outof-ssa.c: Update tree_pass descriptors.
2421 * bb-reorder.c: Update tree_pass descriptors.
2422 * stack-ptr-mod.c: Update tree_pass descriptors.
2423 * var-tracking.c: Update tree_pass descriptors.
2424 * tree-profile.c: Update tree_pass descriptors.
2425 * tree-vect-generic.c: Update tree_pass descriptors.
2426 * reg-stack.c: Update tree_pass descriptors.
2427 * sched-rgn.c: Update tree_pass descriptors.
2428 * tree-ssa-structalias.c: Update tree_pass descriptors.
2429 * tree-cfg.c: Update tree_pass descriptors.
2430 * passes.c (current_pass): Update declaration.
2431 (finish_optimization_passes): Update.
2432 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
2433 (register_one_dump_file, register_dump_files_1, next_pass_1):
2435 (init_optimization_passes): Update handling of new types.
2436 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
2437 * ipa-struct-reorg.c: Update tree_pass descriptors.
2438 * tree-ssa-reassoc.c: Update tree_pass descriptors.
2439 * combine-stack-adj.c: Update tree_pass descriptors.
2440 * cfgrtl.c: Update tree_pass descriptors.
2441 * dce.c: Update tree_pass descriptors.
2442 * tree-ssanames.c: Update tree_pass descriptors.
2444 2008-03-19 Richard Guenther <rguenther@suse.de>
2447 * tree-ssa.c (walk_data): New structure.
2448 (warn_uninitialized_var): If not always_executed warn with "maybe"
2450 (execute_early_warn_uninitialized): Compute post-dominators.
2451 Initialize always_executed before processing each basic block.
2453 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
2456 * config/i386/i386.c (x86_this_parameter): Calculate correct location
2457 of "this" pointer when "regparm = N" or "fastcall" is in effect.
2459 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2461 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
2463 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
2465 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
2467 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
2468 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
2469 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
2470 target after ignore has been set, and move there also the commputation
2471 of subtarget and original_target.
2472 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
2473 (LANG_HOOKS_INITIALIZER): Remove it.
2474 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
2476 2008-03-18 Richard Guenther <rguenther@suse.de>
2478 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
2479 found an expression with constants, note that in the VN for the lhs.
2480 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
2481 fold them to constants if possible. Run cleanup_cfg if done so.
2482 (execute_pre): Return todo.
2484 (execute_fre): Likewise.
2485 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
2487 (get_prop_source_stmt): Look through pointer conversions.
2489 2008-03-18 Jan Hubicka <jh@suse.cz>
2491 * tree-pretty-print.c: Include predict.h.
2492 (dump_generic_node): Dump predictor.
2493 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
2494 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
2495 * gimple-low.c (lower_stmt): Likewise.
2496 * expr.c (expand_expr_real): Likewise.
2497 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
2499 (build_predict_expr, build_predict_expr): New.
2500 * predict.h (predictor_name, build_predict_expr): Update.
2501 * c-typeck.c (c_finish_bc_stmt): Add prediction.
2502 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
2503 * predict.def (PRED_CONTINUE): Update hitrate.
2504 * tree.def (PREDICT_EXPR): Define.
2505 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
2506 do not handle BIND_EXPR.
2507 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
2508 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
2509 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
2512 2008-03-18 Michael Matz <matz@suse.de>
2514 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
2516 2008-03-18 Richard Guenther <rguenther@suse.de>
2518 * tree-gimple.h (is_gimple_invariant_address): Declare.
2519 (is_gimple_constant): Likewise.
2520 * tree-gimple.c (is_gimple_constant): New function.
2521 (is_gimple_invariant_address): Likewise.
2522 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
2523 and is_gimple_invariant_address.
2524 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
2526 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
2527 an addressable base.
2529 2008-03-18 Jakub Jelinek <jakub@redhat.com>
2532 * gimplify.c (gimplify_expr): Gimplify second operand of
2535 2008-03-17 Richard Guenther <rguenther@suse.de>
2537 PR tree-optimization/19637
2538 * fold-const.c (fold_unary): Remove restrictions of removing
2539 intermediate pointer-conversions (P2)(P1)P0.
2540 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
2541 conversion to void pointer.
2542 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
2544 2008-03-16 James E. Wilson <wilson@tuliptree.org>
2547 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
2548 emulated thread local variables.
2550 2008-03-16 Richard Guenther <rguenther@suse.de>
2553 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
2554 expand TREE_INVARIANT operations that are not gimple invariant.
2556 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
2558 * doc/extend.texi (Alignment): Say that the ABI controls
2559 the __alignof__ for non-strict-alignment targets rather
2560 than being a recommendation.
2562 2008-03-15 Paul Brook <paul@codesourcery.com>
2564 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
2566 (arm_output_fn_unwind): Mark functions that can not be unwound.
2568 2008-03-15 Paul Brook <paul@codesourcery.com>
2570 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
2571 extension instructions.
2573 2008-03-15 Richard Guenther <rguenther@suse.de>
2575 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
2576 and fold constant aggregate refs.
2577 (fold_const_aggregate_ref): Handle string constants
2578 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
2579 (evaluate_stmt): Simplify now that ccp_fold folds constant
2582 2008-03-15 Paul Brook <paul@codesourcery.com>
2584 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
2585 (extzv): Use gen_extzv_t2.
2586 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
2588 2008-03-15 Richard Guenther <rguenther@suse.de>
2590 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
2591 (fold_const_aggregate_ref): Likewise.
2592 (get_value): Return NULL if we don't have any values.
2593 (ccp_finalize): Set const_val to NULL after freeing it.
2594 * tree-flow.h (get_symbol_constant_value): Declare.
2595 (fold_const_aggregate_ref): Likewise.
2596 * tree-ssa-sccvn.c (try_to_simplify): Use them.
2598 2008-03-15 Richard Guenther <rguenther@suse.de>
2601 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
2602 to not produce negative array indices if not allowed. Add
2603 parameter to indicate that.
2604 (maybe_fold_offset_to_component_ref): Allow negative array
2605 indices only for the first member of a structure.
2606 (maybe_fold_offset_to_reference): Allow negative array indices.
2607 (maybe_fold_stmt_addition): Likewise.
2609 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
2610 Anatoly Sokolov <aesok@post.ru>
2612 * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
2613 (avr_arch): Add ARCH_AVR6.
2614 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
2615 (initial_elimination_offset): Initialize and use 'avr_pc_size'
2616 instead of fixed value 2.
2617 (print_operand_address): Use gs() asm specifier instead of pm().
2618 (avr_assemble_integer): (Ditto.).
2619 (avr_output_addr_vec_elt): (Ditto.).
2620 (print_operand): Handle "!" code.
2621 * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
2622 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
2623 (AVR_HAVE_EIJMP_EICALL): Define.
2624 (AVR_3_BYTE_PC): Redefine.
2625 (AVR_2_BYTE_PC): (Ditto.).
2626 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
2627 (LINK_SPEC): Add atmega2560 and atmega2561.
2628 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
2630 * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
2631 for 3 byte PC devices.
2632 (call_value_insn): (Ditto.).
2633 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
2634 (indirect_jump): Use only for for 2 byte PC devices.
2635 (*tablejump): (Ditto.).
2636 (*indirect_jump_avr6): Add insn.
2637 (*tablejump_rjmp): Don't use for 3 byte PC devices.
2638 * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
2639 instead of ijmp for 3 byte PC devices.
2640 (__tablejump2__): (Ditto.).
2641 * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
2642 (MULITLIB_DIRNAMES): (Ditto.).
2643 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
2645 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
2647 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
2648 "sse2_umulsidi3". Use V1DI mode for operand 0.
2649 ("mmx_psadbw"): Use V1DI mode for operand 0.
2650 * config/i386/i386-modes.def (V1SI): New vector mode.
2651 * config/i386/i386.c (struct builtin_description)
2652 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
2653 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
2654 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
2655 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
2656 v1di_ftype_v8qi_v8qi type.
2657 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
2659 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
2660 __builtin_ia32_pmuludq]: Fix the mode of return value.
2662 2008-03-15 Richard Guenther <rguenther@suse.de>
2665 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
2668 2008-03-14 Bob Wilson <bob.wilson@acm.org>
2670 * doc/invoke.texi (Option Summary, Xtensa Options): Document
2671 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
2672 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
2673 unless TARGET_SERIALIZE_VOLATILE is enabled.
2674 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
2675 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
2676 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
2678 2008-03-14 Richard Guenther <rguenther@suse.de>
2680 PR tree-optimization/34172
2681 * tree-flow.h (refs_may_alias_p): Declare.
2682 (get_single_def_stmt): Likewise.
2683 (get_single_def_stmt_from_phi): Likewise.
2684 (get_single_def_stmt_with_phi): Likewise.
2685 * tree-dfa.c (refs_may_alias_p): New function.
2686 (get_single_def_stmt): Likewise.
2687 (get_single_def_stmt_from_phi): Likewise.
2688 (get_single_def_stmt_with_phi): Likewise.
2689 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
2690 (vn_reference_lookup_1): New helper function.
2691 (vn_reference_lookup): Walk the virtual use-def chain to
2692 continue searching for a match if the def does not alias the
2693 reference we are looking for.
2695 2008-03-14 David Edelsohn <edelsohn@gnu.org>
2697 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
2698 archive and Perzl. Update The Written Word listing.
2700 2008-03-14 Richard Guenther <rguenther@suse.de>
2702 PR tree-optimization/34043
2703 PR tree-optimization/33989
2704 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
2706 (bitmap_find_leader): Use extra argument to verify dominance
2707 relationship inside a basic-block.
2708 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
2709 (find_leader_in_sets): Adjust.
2710 (create_component_ref_by_pieces): Take extra argument for
2711 dominance check, handle lookup failures.
2712 (find_or_generate_expression): Likewise.
2713 (create_expression_by_pieces): Likewise.
2714 (insert_into_preds_of_block): Adjust.
2715 (create_value_expr_from): If asked for, verify all operands
2716 are in the blocks AVAIL_OUT set.
2717 (make_values_for_stmt): Check for SSA_NAMEs that are life
2718 over an abnormal edge.
2719 (compute_avail): Remove such check.
2720 (do_SCCVN_insertion): New function.
2721 (eliminate): If we do not find a leader suitable for replacement
2722 insert a replacement expression from SCCVN if available.
2723 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
2724 (struct vn_ssa_aux): Add needs_insertion flag.
2725 * tree-ssa-sccvn.c (may_insert): New global flag.
2726 (copy_reference_ops_from_ref): Value-number union member access
2727 based on its size, not type and member if insertion is allowed.
2728 (visit_reference_op_load): For a weak match from union type
2729 punning lookup a view-converted value and insert a SSA_NAME
2730 for that value if that is not found.
2731 (visit_use): Make dumps shorter. Do not disallow value numbering
2732 SSA_NAMEs that are life over an abnormal edge to constants.
2733 (free_scc_vn): Release inserted SSA_NAMEs.
2734 (run_scc_vn): New flag to specify whether insertion is allowed.
2735 Process SSA_NAMEs in forward order.
2736 * tree-ssa-loop-im.c (for_each_index): Handle invariant
2737 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
2738 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
2739 pointer type to/from integral types that do not change the
2740 precision to regular conversions.
2742 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
2744 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2745 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2746 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
2747 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
2748 input arguments and the mode of return value. Built-in functions
2749 that operate on whole 64-bit MMX register now use V1DI mode.
2751 2008-03-13 Alon Dayan <alond@il.ibm.com>
2752 Olga Golovanevsky <olga@il.ibm.com>
2754 PR tree-optimization/35041
2755 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
2756 to locate the right position in a statement.
2758 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
2762 * config/i386/xmmintrin.h: Change all static inline functions to
2763 extern inline and add __gnu_inline__ attribute.
2764 * config/i386/bmintrin.h: Ditto.
2765 * config/i386/smmintrin.h: Ditto.
2766 * config/i386/tmmintrin.h: Ditto.
2767 * config/i386/mmintrin-common.h: Ditto.
2768 * config/i386/ammintrin.h: Ditto.
2769 * config/i386/emmintrin.h: Ditto.
2770 * config/i386/pmmintrin.h: Ditto.
2771 * config/i386/mmintrin.h: Ditto.
2772 * config/i386/mm3dnow.h: Ditto.
2774 2008-03-13 Jakub Jelinek <jakub@redhat.com>
2777 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
2778 (lower_omp_2): New function.
2779 (lower_omp_1, lower_omp): Rewritten.
2781 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
2784 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
2785 with the phrase "Microsoft Windows compilers".
2786 (Push/Pop Macro Pragmas): New subsection. Document
2787 #pragma push_macro and pragma pop_macro.
2789 2008-03-12 Paul Brook <paul@codesourcery.com>
2791 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
2793 2008-03-12 Paul Brook <paul@codesourcery.com>
2795 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
2796 (thumb2_alusi3_short): Exclude PLUS and MINUS.
2797 (thumb2_addsi_shortim): Rename ...
2798 (thumb2_addsi_short): ... to this. Allow register operands.
2799 (thumb2_subsi_short): New pattern.
2800 (thumb2_one_cmplsi2_short,
2801 thumb2_negsi2_short): New patterns and peepholes.
2803 2008-03-12 Paul Brook <paul@codesourcery.com>
2805 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
2807 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
2809 * config/i386/i386.md (int_cond): New code iterator.
2811 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
2812 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
2813 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
2814 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
2815 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
2816 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
2817 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
2818 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
2820 2008-03-12 Paul Brook <paul@codesourcery.com>
2822 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
2823 instead of {arm,thumb}_compute_save_reg_mask.
2824 (output_return_instruction): Ditto.
2825 (thumb_unexpanded_epilogue): Ditto.
2826 (thumb1_expand_prologue): Ditto.
2827 (thumb1_output_function_prologue): Ditto.
2828 (arm_set_return_address): Ditto.
2829 (thumb_set_return_address): Ditto.
2830 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
2831 regs to achieve stack alignment.
2832 (thumb1_compute_save_reg_mask): Fix compiler warning.
2833 (arm_output_epilogue): Use offsets->saved_regs_mask.
2834 Adjust stack pointer by poping call clobered registers.
2835 (arm_expand_prologue): Use offsets->saved_regs_mask.
2836 Adjust stack pointer by pushing extra registers.
2837 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
2839 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
2842 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
2843 conversion to the operands of a multiplication.
2845 2008-03-12 Richard Guenther <rguenther@suse.de>
2847 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
2848 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
2849 * timevar.def (TV_TREE_PHIPROP): Add.
2850 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
2851 pass description. Use TV_TREE_PHIPROP.
2852 * tree-ssa-forwprop.c: Remove phiprop code.
2854 2008-03-12 Jakub Jelinek <jakub@redhat.com>
2857 * omp-low.c (maybe_lookup_decl): Constify first argument.
2858 (use_pointer_for_field): Change last argument from bool to
2859 omp_context *. Disallow shared copy-in/out in nested
2860 parallel if decl is shared in outer parallel too.
2861 (build_outer_var_ref, scan_sharing_clauses,
2862 lower_rec_input_clauses, lower_copyprivate_clauses,
2863 lower_send_clauses, lower_send_shared_vars): Adjust callers.
2865 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
2866 Ira Rosen <irar@il.ibm.com>
2868 * tree-vectorizer.c (free_stmt_vec_info): New function.
2869 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
2870 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
2871 * tree-vectorizer.h (free_stmt_vec_info): Declare.
2872 * tree-vect-transform.c (vectorizable_conversion): Free
2873 vec_oprnds0 if it was allocated.
2874 (vect_permute_store_chain): Remove unused VECs.
2875 (vectorizable_store): Free VECs that are allocated in the..
2877 (vect_transform_strided_load, vectorizable_load): Likewise.
2878 (vect_remove_stores): Simplify the code.
2879 (vect_transform_loop): Move code to vect_remove_stores().
2880 Call vect_remove_stores() and free_stmt_vec_info().
2882 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2884 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
2885 TARGET_HPUX. Revise comment.
2886 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
2887 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
2888 Use sr4 variant of `be' instruction when not generating PIC code.
2889 (attr_length_call): Adjust for above change.
2891 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2893 * ipa-reference.c (static_execute): Remove module_statics_const and
2894 associated setting code.
2896 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
2899 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
2900 predicate for operand 1.
2901 (paritysi2_cmp): Use register_operand predicate for operand 2.
2902 Use earlyclobber modifier for operand 1. Remove support for
2904 (paritydi2_cmp): Use register_operand predicate for operand 3.
2905 Use earlyclobber modifier for operand 1. Remove support for
2908 2008-03-11 Paul Brook <paul@codesourcery.com>
2909 Vladimir Prus <vladimir@codesourcery.com>
2911 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
2912 (arm_compute_save_reg0_reg12_mask): Always
2913 check if register 11 must be saved. Always safe hard frame pointer
2914 when frame_pointer_needeed.
2915 (arm_compute_save_reg_mask): Save IP and PC
2916 only with apcs frames.
2917 (arm_output_epilogue): Adjust Thumb2 codepath to
2918 be also invoked and work for ARM non-apcs frames.
2919 (arm_expand_prologue): Don't bother saving IP
2920 for non-apcs frame, since it's not clobbered by
2921 prologue code. Implement non-apcs frame
2924 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
2926 PR rtl-optimization/35281
2927 * expr.c (convert_move): Use a new pseudo for the intermediate
2928 from_mode->word_mode result.
2930 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
2932 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
2933 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
2934 * toplev.c (compile_file): Don't call it.
2936 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
2939 * expr.c (store_expr): Call emit_block_move if the mode
2940 of "temp" RTX is BLKmode.
2942 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2943 Richard Guenther <rguenther@suse.de>
2945 PR tree-optimization/31358
2946 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
2947 the step with a NULL_TREE.
2948 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
2949 to sizetype if type is a pointer type.
2950 (add_candidate_1): Don't convert the base and step to
2951 the generic type if the orginal type is a pointer type.
2952 (add_iv_value_candidates): Use sizetype for the step
2953 if type is a pointer type.
2954 (cand_value_at): Likewise.
2955 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
2957 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
2958 Don't convert the tem affine to the type.
2959 (add_elt_to_tree): Use sizetype for the step if a pointer.
2960 Use POINTER_PLUS_EXPR for pointers.
2961 (aff_combination_to_tree): Use sizetype for the step if a
2964 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
2966 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
2967 Remove commutativity hint.
2969 2008-03-10 Jakub Jelinek <jakub@redhat.com>
2973 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
2974 errorneous type. Check that v is a VAR_DECL.
2977 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
2979 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
2981 PR tree-optimization/35494
2982 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
2983 may be overriden at link and run time.
2985 2008-03-10 Richard Guenther <rguenther@suse.de>
2987 PR tree-optimization/34677
2988 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
2989 (poolify_tree): Likewise.
2990 (modify_expr_template): Likewise.
2991 (poolify_modify_stmt): Likewise.
2992 (insert_fake_stores): Handle all component-ref style stores
2993 in addition to INDIRECT_REF. Also handle complex types.
2994 Do not poolify the inserted load.
2995 (realify_fake_stores): Do not rebuild the tree but only
2996 make it a SSA_NAME copy.
2997 (init_pre): Remove initialzation of modify_expr_template.
2998 Do not allocate modify_expr_node_pool.
2999 (fini_pre): Do not free modify_expr_node_pool.
3001 2008-03-10 Paul Brook <paul@codesourcery.com>
3003 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
3006 2008-03-10 Paul Brook <paul@codesourcery.com>
3007 Mark Shinwell <shinwell@codesourcery.com>
3009 * config/arm/cortex-r4.md: New.
3010 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
3012 * config/arm/arm.md: Include cortex-r4.md.
3013 (insn): Add smmls, sdiv and udiv values.
3014 (generic_sched): Don't use generic scheduling for Cortex-R4.
3015 (arm_issue_rate): New function.
3016 (TARGET_SCHED_ISSUE_RATE): Define.
3018 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
3020 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
3022 2008-03-10 Richard Guenther <rguenther@suse.de>
3024 * tree-ssa-pre.c (get_sccvn_value): Simplify.
3025 (compute_avail): Do not add stmt uses to AVAIL_OUT.
3027 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
3029 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
3030 Set default to true.
3032 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3034 * c.opt (Wsynth): Deprecate.
3035 * doc/invoke.texi (Option Summary, Warning Options): Document
3036 -Wno-format-contains-nul.
3038 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
3041 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
3042 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
3044 2008-03-09 Ira Rosen <irar@il.ibm.com>
3046 * config/rs6000/rs6000.c (builtin_description): Rename vector
3047 left shift operations.
3048 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
3049 (altivec_vsl<VI_char>): Rename to ...
3050 (ashl<mode>3): ... new name.
3051 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
3053 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
3055 2008-03-08 Richard Guenther <rguenther@suse.de>
3057 * coverage.h (tree_coverage_counter_addr): Declare.
3058 * coverage.c (tree_coverage_counter_addr): New function.
3059 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
3061 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
3062 (tree_gen_one_value_profiler): Likewise.
3063 (tree_gen_ic_profiler): Likewise.
3064 (tree_gen_average_profiler): Likewise.
3065 (tree_gen_ior_profiler): Likewise.
3067 2008-03-08 Richard Guenther <rguenther@suse.de>
3069 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
3070 (vn_binary_op_insert): Likewise.
3071 (vn_unary_op_lookup): Likewise.
3072 (vn_unary_op_insert): Likewise.
3073 (vn_nary_op_lookup): Declare.
3074 (vn_nary_op_insert): Likewise.
3075 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
3076 and binary hashes, use a single obstack for unary_op_pool
3078 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
3079 a single struct vn_nary_op_s. Store tree code length and
3080 a variable number of operands.
3081 (struct vn_reference_op_struct): Remove unused op2.
3082 (vn_reference_op_eq): Do not compare op2.
3083 (vn_reference_op_compute_hash): Do not compute hash of op2.
3084 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
3085 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
3086 with vn_nary_op_compute_hash.
3087 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
3088 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
3090 (vn_unary_op_insert, vn_binary_op_insert): Replace with
3092 (visit_unary_op): Call nary functions.
3093 (visit_binary_op): Likewise.
3094 (process_scc): Adjust for struct vn_tables_s changes.
3095 (allocate_vn_table): Likewise.
3096 (free_vn_table): Likewise.
3097 * tree-vn.c (vn_add): Call nary functions.
3098 (vn_lookup): Likewise.
3100 2008-03-08 Jakub Jelinek <jakub@redhat.com>
3103 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
3104 wdst back after sync_compare_and_swapqhi_internal.
3106 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
3109 * config/i386/i386-modes.def (V1DI): New vector mode.
3110 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
3111 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
3112 (MMXMODE248): Ditto.
3113 (MMXMODE): Add V1DI mode.
3114 (mmxvecsize): Change DI mode to V1DI mode.
3115 ("mov<mode>): Use MMXMODEI8 mode iterator.
3116 ("*mov<mode>_internal_rex64"): Ditto.
3117 ("*mov<mode>_internal"): Ditto.
3118 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
3119 ("mmx_sub<mode>3"): Ditto.
3120 ("mmx_adddi3"): Remove insn pattern.
3121 ("mmx_subdi3"): Ditto.
3122 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
3123 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
3124 ("mmx_ashl<mode>3"): Ditto.
3125 ("mmx_lshrdi3"): Remove insn pattern.
3126 ("mmx_ashldi3"): Ditto.
3127 * config/i386/i386.c (classify_argument): Handle V1DImode.
3128 (function_arg_advance_32): Ditto.
3129 (function_arg_32): Ditto.
3130 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
3131 mmx_addv1di3 insn pattern.
3132 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
3133 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
3134 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
3135 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
3136 Remove definitions of built-in functions.
3137 (V1DI_type_node): New node.
3138 (v1di_ftype_v1di_int): Ditto.
3139 (v1di_ftype_v1di_v1di): Ditto.
3140 (v2si_ftype_v2si_si): Ditto.
3141 (v4hi_ftype_v4hi_di): Remove node.
3142 (v2si_ftype_v2si_di): Ditto.
3143 (ix86_init_mmx_sse_builtins): Handle V1DImode.
3144 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
3145 Redefine builtins using def_builtin_const with *_ftype_*_int node.
3146 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
3147 Add new builtins using def_builtin_const.
3148 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
3149 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
3150 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
3151 * config/i386/mmintrin.h (__v1di): New typedef.
3152 (_mm_add_si64): Cast arguments to __v1di type.
3153 (_mm_sub_si64): Ditto.
3154 (_mm_sll_pi16): Cast __count to __v4hi type.
3155 (_mm_sll_pi32): Cast __count to __v2si type.
3156 (_mm_sll_si64): Cast arguments to __v1di type.
3157 (_mm_srl_pi16): Cast __count to __v4hi type.
3158 (_mm_srl_pi32): Cast __count to __v2si type.
3159 (_mm_srl_si64): Cast arguments to __v1di type.
3160 (_mm_sra_pi16): Cast __count to __v4hi type.
3161 (_mm_sra_pi32): Cast __count to __v2si type.
3162 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
3163 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
3164 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
3165 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
3166 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
3167 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
3168 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
3169 (_mm_srai_pi32): Use __builtin_ia32_psradi.
3170 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
3171 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
3172 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
3173 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
3175 2008-03-07 Joseph Myers <joseph@codesourcery.com>
3177 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
3179 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
3182 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
3183 reg+const addressing for Altivec modes. Don't generate reg+reg
3184 addressing for TFmode or TDmode quantities.
3186 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
3188 * c-common.c (vector_types_convertible_p): Call langhook
3189 instead of comptypes.
3191 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3194 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
3195 integral and scalar float variables which have a
3198 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
3200 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
3201 dwarf_register_span hook when emitting unwind information for
3202 register-to-memory saves.
3203 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
3204 (rs6000_frame_related): Remove call to spe_synthesize_frame.
3206 2008-03-06 Jakub Jelinek <jakub@redhat.com>
3208 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
3209 for the same VAR_DECL.
3211 2008-03-06 Tom Tromey <tromey@redhat.com>
3214 * doc/standards.texi (Standards): Don't mention treelang.
3215 * doc/invoke.texi (Overall Options): Don't mention treelang.
3216 * doc/install.texi (Prerequisites): Don't mention bison or
3218 (Configuration): Don't mention treelang.
3219 (Building): Likewise.
3220 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
3222 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
3224 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
3225 word-extractions out of a multi-word object.
3227 2008-03-06 Richard Guenther <rguenther@suse.de>
3229 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
3230 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
3231 result type and precision.
3232 * expr.c (get_inner_reference): Set unsignedp based on the result
3233 type of BIT_FIELD_REF.
3234 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
3235 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
3236 (try_instantiate_multiple_fields): Likewise. Use the correct type
3238 (sra_build_assignment): Likewise.
3239 (sra_build_elt_assignment): Likewise.
3240 (sra_explode_bitfield_assignment): Likewise.
3241 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
3242 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
3243 set BIT_FIELD_REF_UNSIGNED.
3244 (vectorizable_load): Likewise.
3246 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
3248 * cse.c (cse_extended_basic_block): Invalidate artificial defs
3251 2008-03-06 Richard Guenther <rguenther@suse.de>
3253 * alias.c (struct alias_set_entry): Move has_zero_child field
3254 to pack with alias_set.
3256 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
3258 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3261 2008-03-05 Ian Lance Taylor <iant@google.com>
3263 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
3265 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
3267 * fwprop.c (update_df): Support width and offset parameters of
3269 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
3270 global_conflicts): Change DF_REF_EXTRACT to either
3271 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3272 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3273 * df-scan.c (df_ref_record, df_defs_record,
3274 df_ref_create_structure, df_def_record_1, df_uses_record,
3275 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
3276 df_bb_refs_collect, df_entry_block_defs_collect,
3277 df_exit_block_uses_collect): Support new width and offset fields.
3278 (ref_extract_pool): New storage pool.
3279 (df_free_ref): New function.
3280 (df_reg_chain_unlink, df_free_collection_rec,
3281 df_sort_and_compress_refs): Call df_free_ref.
3282 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
3284 (df_ref_create_structure): Allocate df_ref_extract if offset and
3285 width fields are used.
3286 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
3287 (df_uses_record): Get offset and width from ZERO_EXTRACT
3289 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
3290 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3291 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3292 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
3293 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3294 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3295 (df_ref_extract): New structure.
3296 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
3297 (df_ref_create): Add width and offset parameters.
3299 2008-03-05 Richard Guenther <rguenther@suse.de>
3301 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3302 Use ranges_overlap_p.
3303 (offset_overlaps_with_access): Rename
3304 to ranges_overlap_p and move ...
3305 * tree-flow-inline.h (ranges_overlap_p): ... here.
3307 * tree.h (get_inner_reference, handled_component_p): Update
3310 * tree.h (record_component_aliases, get_alias_set,
3311 alias_sets_conflict_p, alias_sets_must_conflict_p,
3312 objects_must_conflict_p): Move declarations ...
3313 * alias.h (record_component_aliases, get_alias_set,
3314 alias_sets_conflict_p, alias_sets_must_conflict_p,
3315 objects_must_conflict_p): ... here.
3316 Include coretypes.h.
3317 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
3319 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
3321 * cfg.c: Include tree-flow.h.
3322 (remove_edge_raw): Call redirect_edge_var_map_clear.
3323 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
3324 * tree-flow-inline.h (redirect_edge_var_map_def): New.
3325 (redirect_edge_var_map_result): New.
3326 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
3327 PENDING_STMT use with redirect_edge_var_map_*.
3328 * tree-ssa.c (edge_var_maps): New definition.
3329 (redirect_edge_var_map_add): New.
3330 (redirect_edge_var_map_clear): New.
3331 (redirect_edge_var_map_dup): New.
3332 (redirect_edge_var_map_vector): New.
3333 (redirect_edge_var_map_destroy): New.
3334 (ssa_redirect_edge): Replace PENDING_STMT use with
3335 redirect_edge_var_map_*.
3336 (flush_pending_stmts): Same.
3337 (delete_tree_ssa): Destroy edge var map.
3338 * tree-flow.h (struct _edge_var_map): New.
3339 Define edge_var_map vector type.
3340 Declare redirect_edge_var_map_* prototypes.
3341 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
3342 * tree-cfg.c (reinstall_phi_args): Replace
3343 PENDING_STMT use with redirect_edge_var_map_*.
3345 2008-03-05 Richard Guenther <rguenther@suse.de>
3347 PR tree-optimization/35472
3348 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
3349 whose single use_stmt has a overlapping set of loaded and
3350 stored symbols as that use_stmt might be a noop assignment then.
3352 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3354 * gthr-rtems.h: Implement __gthread_mutex_destroy.
3356 2008-03-05 Richard Guenther <rguenther@suse.de>
3359 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
3360 should be constants.
3361 * tree-cfg.c (verify_expr): Verify it.
3362 * fold-const.c (fold_truthop): Remove code generating
3363 BIT_FIELD_REFs of structure bases.
3364 (fold_binary): Likewise.
3365 (fold_ternary): Position and size of BIT_FIELD_REFs are
3366 always host integers.
3367 (make_bit_field_ref): Remove.
3368 (optimize_bit_field_compare): Remove.
3369 (all_ones_mask_p): Remove.
3371 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
3374 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
3375 (split_block_and_df_analyze): New. Split basic block and rebuild
3377 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
3379 (split_pattern_seq): Likewise.
3380 (erase_matching_seqs): Likewise.
3381 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
3383 2008-03-04 Geoff Keating <geoffk@apple.com>
3385 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
3386 declaration and code.
3387 (tree_invalid_nonnegative_warnv_p): Likewise.
3389 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3391 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
3392 examples. Truncate option-names then causing overfull hbox.
3394 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3397 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
3399 * configure: Rebuilt.
3401 2008-03-04 Rafael Espindola <espindola@google.com>
3403 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
3404 (tree_unary_nonnegative_warnv_p): New.
3405 (tree_binary_nonnegative_warnv_p): New.
3406 (tree_single_nonnegative_warnv_p): New.
3407 (tree_invalid_nonnegative_warnv_p): New.
3408 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
3410 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3413 * opts.c (handle_option): Postpone 'unknown option' errors only for
3416 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
3419 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
3422 2008-03-04 Rafael Espindola <espindola@google.com>
3424 * fold-const.c (tree_unary_nonzero_warnv_p): New.
3425 (tree_binary_nonzero_warnv_p): New.
3426 (tree_single_nonzero_warnv_p): New.
3427 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
3429 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
3432 * fold-const.c (fold_cond_expr_with_comparison): Prevent
3433 transformations for modes that have signed zeros.
3434 * ifcvt.c (noce_try_abs): Ditto.
3436 2008-03-04 Joseph Myers <joseph@codesourcery.com>
3438 * config/i386/i386.c (override_options): Force
3439 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
3441 2008-03-04 Jan Hubicka <jh@suse.cz>
3444 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
3447 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
3449 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
3450 label to probe the stack.
3452 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
3454 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
3455 (__gthr_win32_mutex_destroy): Declare.
3456 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
3457 __gthr_win32_mutex_destroy.
3458 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
3460 2008-03-03 Jan Hubicka <jh@suse.cz>
3463 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
3464 aggressive on inlining cold calls.
3466 2008-03-03 Richard Guenther <rguenther@suse.de>
3468 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
3469 struct copies into the expression table.
3470 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
3471 (try_to_simplify): Likewise.
3472 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
3473 integral and pointer arguments which do not change the
3474 precision to NOP_EXPRs.
3475 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
3476 VIEW_CONVERT_EXPR case.
3478 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
3480 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
3481 defined in a loop at depth 0 is invariant.
3482 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
3483 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
3484 be called at loop depth 0.
3486 2008-03-02 Jakub Jelinek <jakub@redhat.com>
3489 * gcc.c (process_command): Update copyright notice dates.
3490 * gcov.c (print_version): Likewise.
3491 * gcov-dump.c (print_version): Likewise.
3492 * mips-tfile.c (main): Likewise.
3493 * mips-tdump.c (main): Likewise.
3495 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3498 * c-common.c (flag_permissive): Delete.
3499 (constant_expression_warnings): Check flags first.
3500 (constant_expression_error): New.
3501 * c-common.h (flag_permissive): Delete.
3502 (constant_expression_error): Declare.
3503 * flags.h (flag_permissive): Declare. Update description.
3504 * diagnostic.c (pedwarn): Update.
3506 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
3507 (permissive_error_kind): New.
3508 * toplev.c (flag_permissive): Define. Update description.
3509 * toplev.h (permissive_error_kind): Declare.
3510 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
3511 (pedwarn_c90): Use pedantic_warning_kind.
3512 * c-opts.c (c_common_post_options): flag_permissive does not affect
3513 flag_pedantic_errors.
3515 2008-03-02 Joseph Myers <joseph@codesourcery.com>
3517 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
3518 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
3519 __absvsi2, __absvDI2): Use unsigned arithmetic.
3521 2008-03-02 Andi Kleen <ak@suse.de>
3522 Richard Guenther <rguenther@suse.de>
3524 * struct-equiv.c: Remove file.
3525 * cfg_cleanup.c (condjump_equiv_p): Remove.
3526 * Makefile.in (OBJS-common): Remove struct-equiv.o.
3527 (struct-equiv.o): Remove rule.
3528 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
3529 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
3530 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
3532 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3534 * ifcvt.c (noce_process_if_block): Try to handle only the then
3535 block if the else block exists but isn't suitable.
3537 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
3540 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
3541 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
3542 regression from previous patch.
3544 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
3547 * gthr.h: Add __gthread_mutex_destroy as a function that must be
3549 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
3550 * gthr-single.h (__gthread_mutex_destroy): Likewise.
3551 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
3552 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
3553 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
3554 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
3555 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
3556 (__gthread_mutex_destroy_function): Rename to
3557 __gthread_mutex_destroy.
3558 * gthr-dce.h (__gthread_mutex_destroy): Call
3559 pthread_mutex_destroy.
3560 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
3561 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
3562 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
3564 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3566 * df-scan.c (df_ref_chain_change_bb): Simplify.
3567 (df_insn_change_bb): Add new_bb argument. Simplify. Call
3568 set_block_for_insn if there's any change.
3569 * df.h ((df_insn_change_bb): Fix prototype.
3570 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
3571 df_insn_change_bb, don't call set_block_for_insn.
3572 * emit-rtl.c (reorder_insns): Likewise.
3573 * haifa-sched.c (move_insn): Likewise.
3575 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3577 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
3579 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3581 * tree-flow-inline.h (next_readonly_imm_use): Return
3582 NULL_USE_OPERAND_P after the end.
3584 2008-03-01 Richard Guenther <rguenther@suse.de>
3586 PR tree-optimization/35411
3587 * tree-sra.c (sra_build_assignment): Split conversion to
3588 final type to a separate statement if we are not assigning
3591 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3593 * fold-const.c (fold_convertible_p): Correct the logic to follow
3594 that in fold_convert().
3596 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
3599 * tree-inline.c (build_duplicate_type): When we make a
3600 duplicate type, make it unique in the canonical types system.
3602 2008-02-29 Tom Tromey <tromey@redhat.com>
3604 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
3605 input_file_stack_history, input_file_stack_restored): Remove.
3606 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3607 * input.h (struct file_stack): Remove.
3608 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3609 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
3611 * diagnostic.h (struct diagnostic_context) <last_module>: Change
3613 (diagnostic_last_module_changed): Add 'map' argument.
3614 (diagnostic_set_last_function): Likewise.
3615 * diagnostic.c (undiagnostic_report_current_module): Iterate using
3616 line map, not input_file_stack.
3617 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
3619 2008-02-29 Paul Brook <paul@codesourcery.com>
3621 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
3623 2008-02-29 Paul Brook <paul@codesourcery.com>
3625 * config/arm/ieee754-df.S (muldf3): Use RET macros.
3627 2008-02-29 Richard Guenther <rguenther@suse.de>
3629 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
3631 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
3632 value for comparing for a store match.
3633 (simplify_unary_expression): Do nothing for SSA_NAMEs.
3634 (try_to_simplify): Do not do a full-blown reference lookup.
3636 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
3638 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
3639 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3641 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
3643 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
3645 * tree-loop-linear.c (try_interchange_loops): Compare memory access
3646 strides against cache sizes.
3648 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
3650 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
3653 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
3655 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
3656 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
3657 is smaller than the original promoted value.
3658 (simplify_subreg): If OP is a SUBREG, try to preserve its
3659 SUBREG_PROMOTED_VAR_P information.
3661 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3663 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
3664 (VN_INFO_GET): Allocate new objects on the obstack.
3665 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
3666 for rpo_numbers_temp, for consistency.
3667 (free_scc_vn): Free the obstack.
3669 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
3671 * doc/invoke.texi: Document -ftree-loop-distribution.
3672 * tree-loop-distribution.c: New.
3673 * tree-pass.h (pass_loop_distribution): New.
3674 * graphds.h (struct graph): Add htab_t indices.
3675 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
3676 * tree-vectorizer.c (rename_variables_in_loop): Extern.
3677 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
3678 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
3679 * tree-data-ref.c (debug_data_dependence_relations): New.
3680 (dump_data_dependence_relation): Also print data references.
3681 (free_data_ref): Extern.
3682 (same_access_functions): Moved...
3683 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
3684 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3685 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
3686 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
3687 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
3688 (stmts_from_loop): Skip LABEL_EXPR.
3689 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
3691 (build_rdg): Initialize rdg->indices htab.
3692 (free_rdg, stores_from_loop, ref_base_address,
3693 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
3694 have_similar_memory_accesses_1, ref_base_address_1,
3695 remove_similar_memory_refs): New.
3696 * tree-data-ref.h: Depend on tree-chrec.h.
3697 (debug_data_dependence_relations, free_data_ref): Declared.
3698 (same_access_functions): ... here.
3699 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
3701 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
3702 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
3703 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
3704 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3705 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
3706 rdg_vertex_for_stmt): Declared.
3707 (struct rdg_edge): Add level.
3709 (free_rdg, stores_from_loop, remove_similar_memory_refs,
3710 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
3712 (rdg_has_similar_memory_accesses): New.
3713 * tree-vect-analyze.c: Remove unused static decls.
3714 * lambda.h (dependence_level): New.
3715 * common.opt (ftree-loop-distribution): New.
3716 * tree-flow.h (mark_virtual_ops_in_bb,
3717 slpeel_tree_duplicate_loop_to_edge_cfg,
3718 rename_variables_in_loop): Declared.
3719 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
3720 (OBJS-common): Add tree-loop-distribution.o.
3721 (tree-loop-distribution.o): New rule.
3722 * tree-cfg.c (mark_virtual_ops_in_bb): New.
3723 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
3724 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
3726 2008-02-28 Joseph Myers <joseph@codesourcery.com>
3729 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
3730 other than structures and unions.
3732 2008-02-28 Richard Guenther <rguenther@suse.de>
3735 2008-02-26 Richard Guenther <rguenther@suse.de>
3737 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3738 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3739 (lookup_decl_from_uid): Declare.
3740 (remove_decl_from_map): Likewise.
3741 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3742 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3743 (decl_for_uid_map): New global hashtable mapping DECL_UID
3745 (init_ttree): Allocate it.
3746 (insert_decl_to_uid_decl_map): New helper function.
3747 (make_node_stat): Insert new decls into the map.
3748 (copy_node_stat): Likewise.
3749 (lookup_decl_from_uid): New function.
3750 (remove_decl_from_map): Likewise.
3751 (print_decl_for_uid_map_statistics): New helper.
3752 (dump_tree_statistics): Call it.
3754 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3755 (referenced_var_iterator): Adjust.
3756 (FOR_EACH_REFERENCED_VAR): Adjust.
3757 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3758 (num_referenced_vars): Adjust.
3759 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3760 (first_referenced_var): Remove.
3761 (end_referenced_vars_p): Likewise.
3762 (next_referenced_var): Likewise.
3763 (referenced_var_iterator_set): New helper function.
3764 * tree-dfa.c (referenced_var_lookup): Adjust.
3765 (referenced_var_check_and_insert): Likewise.
3766 (remove_referenced_var): Likewise.
3767 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3768 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3769 (verify_call_clobbering): Likewise.
3770 (verify_memory_partitions): Likewise.
3771 (init_tree_ssa): Allocate bitmap instead of hashtable for
3773 (delete_tree_ssa): Adjust.
3774 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3775 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3776 (compute_tag_properties): Likewise.
3777 (set_initial_properties): Likewise.
3778 (find_partition_for): Likewise.
3779 (update_reference_counts): Likewise.
3780 (dump_may_aliases_for): Likewise.
3781 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3782 (add_call_clobber_ops): Likewise.
3783 (add_call_read_ops): Likewise.
3784 (get_asm_expr_operands): Likewise.
3785 * tree-into-ssa.c (dump_decl_set): Likewise.
3786 (update_ssa): Likewise.
3787 * tree-sra.c (scan_function): Likewise.
3788 (decide_instantiations): Likewise.
3789 (scalarize_parms): Likewise.
3790 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3791 (dsa_named_for): Likewise.
3792 * tree-ssa-structalias.c (update_alias_info): Likewise.
3793 (merge_smts_into): Likewise.
3795 2008-02-27 David Daney <ddaney@avtrex.com>
3798 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
3799 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
3800 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
3801 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
3802 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
3804 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
3807 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
3808 (BUILT_IN_NEXTTOWARD): Remove.
3809 (BUILT_IN_NEXTTOWARDF): Ditto.
3810 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
3811 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
3813 2008-02-27 Tom Tromey <tromey@redhat.com>
3815 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
3816 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
3818 2008-02-27 Jan Beulich <jbeulich@novell.com>
3820 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
3821 update the respective field on newdecl.
3823 2008-02-27 Revital Eres <eres@il.ibm.com>
3825 PR rtl-optimization/34999
3826 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
3827 crossing edges that ends with a call insn.
3828 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
3829 call insn and clear the EDGE_CROSSING flag of the crossing edge
3830 when fixing fallthru edges.
3832 2008-02-27 Richard Guenther <rguenther@suse.de>
3835 * fold-const.c (fold_unary): Return the correct argument,
3836 converted to the result type.
3838 2008-02-27 Richard Guenther <rguenther@suse.de>
3841 * expr.c (expand_expr_real_1): Assert on rotates that operate
3843 * fold-const.c (fold_binary): Use the types precision, not the
3844 bitsize of the mode if folding rotate expressions. Build rotates
3845 only for full modes.
3847 2008-02-27 Jakub Jelinek <jakub@redhat.com>
3849 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
3851 * c-pragma.c (pragma_ns_name): New typedef.
3852 (registered_pp_pragmas): New variable.
3853 (c_pp_lookup_pragma): New function.
3854 (c_register_pragma_1): If flag_preprocess_only, do nothing
3855 for non-expanded pragmas, for expanded ones push pragma's
3856 namespace and name into registered_pp_pragmas vector.
3857 (c_invoke_pragma_handler): Register OpenMP pragmas even when
3858 flag_preprocess_only, don't register GCC pch_preprocess
3859 pragma if flag_preprocess_only.
3860 * c-opts.c (c_common_init): Call init_pragma even if
3861 flag_preprocess_only.
3862 * c-pragma.c (c_pp_lookup_pragma): New prototype.
3863 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
3864 cpp_register_pragma if flag_preprocess_only.
3866 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3869 * c-parser.c (c_parser_translation_unit): Warn for empty
3870 translation unit, not empty source file.
3872 2008-02-26 Paul Brook <paul@codesourcery.com>
3874 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
3875 operand for Thumb-2.
3876 * config/arm/arm.h (reg_class): Add CORE_REGS.
3877 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
3878 (BASE_REG_CLASS): Use CORE_REGS.
3879 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
3880 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
3881 (REGNO_OK_FOR_INDEX_P): Exclude SP.
3882 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
3883 ARM_REGNO_OK_FOR_INDEX_P.
3884 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
3885 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
3886 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
3887 (ldm/stm peepholes): Ditto.
3888 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
3889 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
3890 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
3891 * config/arm/constraints.md: Enable "k" constraint on ARM.
3893 2008-02-27 Ben Elliston <bje@au.ibm.com>
3895 * config/rs6000/rs6000.c: Annotate cache line size field in all
3896 instances of struct processor_costs.
3898 2008-02-26 David Edelsohn <edelsohn@gnu.org>
3900 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
3901 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
3902 jump_bypass): New counters.
3903 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
3904 * dce.c (gate_ud_dce): Same.
3905 (gate_fast_dce): Same.
3906 * dse.c (gate_dse1): New function.
3907 (gate_dse2): New function.
3908 (gate_dse): Merge results of new gate functions.
3909 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
3910 (gate_handle_jump_bypass): Add dbg_cnt.
3911 (gate_handle_gcse): Add dbg_cnt.
3912 * ifcvt.c (gate_handle_if_conversion): Same.
3913 (gate_handle_if_after_combine): Same.
3914 (gate_handle_if_after_reload): Same.
3915 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
3917 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
3919 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
3921 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
3923 2008-02-26 Jason Merrill <jason@redhat.com>
3926 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
3927 alone if it's the naming decl for the type's main variant.
3929 2008-02-26 Tom Tromey <tromey@redhat.com>
3931 * system.h (USE_MAPPED_LOCATION): Poison.
3932 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
3933 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
3934 (make_goto_expr_edges): Likewise.
3935 (remove_bb): Likewise.
3936 (execute_warn_function_return): Likewise.
3937 * basic-block.h (struct edge_def) <goto_locus>: Change type to
3939 * c-common.c (fname_decl): Remove old location code.
3940 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
3942 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
3944 (ASM_INPUT_SOURCE_LOCATION): Likewise.
3945 (gen_rtx_ASM_INPUT): Likewise.
3946 (gen_rtx_ASM_INPUT_loc): Likewise.
3947 (get_rtx_asm_OPERANDS): Remove.
3948 * cfglayout.c (insn_locators_alloc): Remove old location code.
3949 (set_curr_insn_source_location): Likewise.
3950 (curr_insn_locator): Likewise.
3951 * print-tree.c (print_node): Remove old location code.
3952 * tree-mudflap.c (mf_varname_tree): Remove old location code.
3953 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
3954 * cfgexpand.c (expand_gimple_cond_expr): Don't use
3955 location_from_locus.
3956 (construct_exit_block): Remove old location code.
3957 * emit-rtl.c (force_next_line_note): Remove old location code.
3958 * profile.c (branch_prob): Remove old location code.
3959 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
3960 LOC_LINE): Remove old-location variants.
3961 * langhooks.c (lhd_print_error_function): Remove old location
3963 * configure, config.in: Rebuilt.
3964 * configure.ac (--enable-mapped-location): Remove.
3965 * c-decl.c (c_init_decl_processing): Remove old location code.
3966 (finish_function): Likewise.
3967 * recog.c (decode_asm_operands): Remove old location code.
3968 * c-pch.c (c_common_read_pch): Remove old location code.
3969 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
3971 * gimple-low.c (lower_function_body): Remove old location code.
3972 * toplev.c (unknown_location): Remove.
3973 (push_srcloc): Remove old-location variant.
3974 (process_options): Remove old location code.
3975 (lang_dependent_init): Likewise.
3976 * input.h (UNKNOWN_LOCATION): Move definition.
3977 (location_t): Undeprecate.
3978 (source_locus): Remove.
3979 (location_from_locus): Remove.
3980 (struct location_s): Remove.
3981 Remove all old-location code.
3982 (input_line, input_filename): Remove.
3983 * final.c (final_scan_insn): Remove old location code.
3984 * diagnostic.c (diagnostic_build_prefix): Remove
3985 USE_MAPPED_LOCATION test.
3986 * tree.h (gimple_stmt) <locus>: Now a location_t.
3987 (tree_exp) <locus>: Likewise.
3988 (DECL_IS_BUILTIN): Remove old-location variant.
3989 (annotate_with_file_line, annotate_with_locus): Likewise.
3990 (expr_locus, set_expr_locus): Update.
3991 * tree.c (build1_stat): Remove old location code.
3992 (last_annotated_node): Remove.
3993 (annotate_with_file_line): Remove old-location variant.
3994 (annotate_with_locus): Likewise.
3995 (expr_location): Remove old location code.
3996 (set_expr_location): Likewise.
3997 (expr_has_location): Likewise.
3998 (expr_locus): Likewise.
3999 (set_expr_locus): Likewise.
4000 (expr_filename): Don't use location_from_locus.
4001 (expr_lineno): Likewise.
4002 * rtl-error.c (location_for_asm): Remove old location code.
4003 * c-lex.c (cb_line_change): Remove old location code.
4004 (fe_file_change): Likewise.
4005 (cb_def_pragma): Likewise.
4006 (c_lex_with_flags): Likewise.
4007 * gengtype.c (do_typedef): Don't special-case location types.
4008 (define_location_structures): Remove.
4009 (main): Don't call define_location_structures.
4010 * tree-pretty-print.c (dump_implicit_edges): Remove old location
4013 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4016 * builtins.def (BUILT_IN_STDARG_START): Remove.
4017 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
4018 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
4019 * tree-inline.c (inline_forbidden_p_1): Likewise.
4021 2008-02-26 Richard Guenther <rguenther@suse.de>
4023 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4024 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4025 (lookup_decl_from_uid): Declare.
4026 (remove_decl_from_map): Likewise.
4027 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4028 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4029 (decl_for_uid_map): New global hashtable mapping DECL_UID
4031 (init_ttree): Allocate it.
4032 (insert_decl_to_uid_decl_map): New helper function.
4033 (make_node_stat): Insert new decls into the map.
4034 (copy_node_stat): Likewise.
4035 (lookup_decl_from_uid): New function.
4036 (remove_decl_from_map): Likewise.
4037 (print_decl_for_uid_map_statistics): New helper.
4038 (dump_tree_statistics): Call it.
4040 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4041 (referenced_var_iterator): Adjust.
4042 (FOR_EACH_REFERENCED_VAR): Adjust.
4043 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4044 (num_referenced_vars): Adjust.
4045 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4046 (first_referenced_var): Remove.
4047 (end_referenced_vars_p): Likewise.
4048 (next_referenced_var): Likewise.
4049 (referenced_var_iterator_set): New helper function.
4050 * tree-dfa.c (referenced_var_lookup): Adjust.
4051 (referenced_var_check_and_insert): Likewise.
4052 (remove_referenced_var): Likewise.
4053 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4054 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4055 (verify_call_clobbering): Likewise.
4056 (verify_memory_partitions): Likewise.
4057 (init_tree_ssa): Allocate bitmap instead of hashtable for
4059 (delete_tree_ssa): Adjust.
4060 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4061 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4062 (compute_tag_properties): Likewise.
4063 (set_initial_properties): Likewise.
4064 (find_partition_for): Likewise.
4065 (update_reference_counts): Likewise.
4066 (dump_may_aliases_for): Likewise.
4067 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4068 (add_call_clobber_ops): Likewise.
4069 (add_call_read_ops): Likewise.
4070 (get_asm_expr_operands): Likewise.
4071 * tree-into-ssa.c (dump_decl_set): Likewise.
4072 (update_ssa): Likewise.
4073 * tree-sra.c (scan_function): Likewise.
4074 (decide_instantiations): Likewise.
4075 (scalarize_parms): Likewise.
4076 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4077 (dsa_named_for): Likewise.
4078 * tree-ssa-structalias.c (update_alias_info): Likewise.
4079 (merge_smts_into): Likewise.
4081 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4084 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
4085 * c-opts.c (c_common_handle_option): Wall enables
4086 Wvolatile-register-var.
4087 * common.opt: Move Wvolatile-register-var to...
4090 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4092 * common.opt (Wlarger-than=): New.
4093 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
4095 * opts.c (common_handle_option): Handle -Wlarger-than=.
4096 * optc-gen.awk: Likewise.
4097 * opth-gen.awk: Likewise.
4098 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
4099 * tree-optimize.c (tree_rest_of_compilation): Likewise.
4101 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4103 * c-common.c (match_case_to_enum_1): Add appropriate
4104 OPT_W* parameter to warning.
4105 (c_do_switch_warnings): Likewise.
4106 * c-typeck.c (warning_init): Add one more parameter following
4108 (push_init_level): Update call to warning_init.
4109 (pop_init_level): Likewise.
4110 (add_pending_init): Likewise.
4111 (output_init_element: Likewise.
4113 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4116 * toplev.c (toplev_main): If there are warnings or error, print
4117 errors for ignored options.
4118 * opts.c (ignored_options): New static variable.
4119 (postpone_unknown_option_error): New.
4120 (print_ignored_options): New.
4121 (handle_option): Postpone errors for unknown -Wno-* options.
4122 * opts.h (print_ignored_options): Declare.
4124 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
4126 * config/mips/mips.md (loadgp_blockage, blockage): Change type
4129 2008-02-25 Richard Guenther <rguenther@suse.de>
4132 2008-02-25 Richard Guenther <rguenther@suse.de>
4134 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4135 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4136 (lookup_decl_from_uid): Declare.
4137 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4138 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4139 (decl_for_uid_map): New global hashtable mapping DECL_UID
4141 (init_ttree): Allocate it.
4142 (insert_decl_to_uid_decl_map): New helper function.
4143 (make_node_stat): Insert new decls into the map.
4144 (copy_node_stat): Likewise.
4145 (lookup_decl_from_uid): New function.
4146 (print_decl_for_uid_map_statistics): New helper.
4147 (dump_tree_statistics): Call it.
4149 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4150 (referenced_var_iterator): Adjust.
4151 (FOR_EACH_REFERENCED_VAR): Adjust.
4152 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4153 (num_referenced_vars): Adjust.
4154 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4155 (first_referenced_var): Remove.
4156 (end_referenced_vars_p): Likewise.
4157 (next_referenced_var): Likewise.
4158 (referenced_var_iterator_set): New helper function.
4159 * tree-dfa.c (referenced_var_lookup): Adjust.
4160 (referenced_var_check_and_insert): Likewise.
4161 (remove_referenced_var): Likewise.
4162 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4163 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4164 (verify_call_clobbering): Likewise.
4165 (verify_memory_partitions): Likewise.
4166 (init_tree_ssa): Allocate bitmap instead of hashtable for
4168 (delete_tree_ssa): Adjust.
4169 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4170 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4171 (compute_tag_properties): Likewise.
4172 (set_initial_properties): Likewise.
4173 (find_partition_for): Likewise.
4174 (update_reference_counts): Likewise.
4175 (dump_may_aliases_for): Likewise.
4176 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4177 (add_call_clobber_ops): Likewise.
4178 (add_call_read_ops): Likewise.
4179 (get_asm_expr_operands): Likewise.
4180 * tree-into-ssa.c (dump_decl_set): Likewise.
4181 (update_ssa): Likewise.
4182 * tree-sra.c (scan_function): Likewise.
4183 (decide_instantiations): Likewise.
4184 (scalarize_parms): Likewise.
4185 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4186 (dsa_named_for): Likewise.
4187 * tree-ssa-structalias.c (update_alias_info): Likewise.
4188 (merge_smts_into): Likewise.
4190 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
4193 * doc/invoke.texi (-fcx-limited-range): Document new option.
4194 * toplev.c (process_options): Handle -fcx-fortran-rules.
4195 * common.opt: Add documentation for -fcx-fortran-rules.
4197 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
4200 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
4201 actual behaviour and C99.
4203 2008-02-26 Ben Elliston <bje@au.ibm.com>
4205 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
4206 (ASM_CPU_POWER6_SPEC): Likewise.
4207 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
4208 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
4209 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
4211 2008-02-25 Richard Guenther <rguenther@suse.de>
4213 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4214 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4215 (lookup_decl_from_uid): Declare.
4216 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4217 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4218 (decl_for_uid_map): New global hashtable mapping DECL_UID
4220 (init_ttree): Allocate it.
4221 (insert_decl_to_uid_decl_map): New helper function.
4222 (make_node_stat): Insert new decls into the map.
4223 (copy_node_stat): Likewise.
4224 (lookup_decl_from_uid): New function.
4225 (print_decl_for_uid_map_statistics): New helper.
4226 (dump_tree_statistics): Call it.
4228 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4229 (referenced_var_iterator): Adjust.
4230 (FOR_EACH_REFERENCED_VAR): Adjust.
4231 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4232 (num_referenced_vars): Adjust.
4233 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4234 (first_referenced_var): Remove.
4235 (end_referenced_vars_p): Likewise.
4236 (next_referenced_var): Likewise.
4237 (referenced_var_iterator_set): New helper function.
4238 * tree-dfa.c (referenced_var_lookup): Adjust.
4239 (referenced_var_check_and_insert): Likewise.
4240 (remove_referenced_var): Likewise.
4241 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4242 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4243 (verify_call_clobbering): Likewise.
4244 (verify_memory_partitions): Likewise.
4245 (init_tree_ssa): Allocate bitmap instead of hashtable for
4247 (delete_tree_ssa): Adjust.
4248 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4249 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4250 (compute_tag_properties): Likewise.
4251 (set_initial_properties): Likewise.
4252 (find_partition_for): Likewise.
4253 (update_reference_counts): Likewise.
4254 (dump_may_aliases_for): Likewise.
4255 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4256 (add_call_clobber_ops): Likewise.
4257 (add_call_read_ops): Likewise.
4258 (get_asm_expr_operands): Likewise.
4259 * tree-into-ssa.c (dump_decl_set): Likewise.
4260 (update_ssa): Likewise.
4261 * tree-sra.c (scan_function): Likewise.
4262 (decide_instantiations): Likewise.
4263 (scalarize_parms): Likewise.
4264 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4265 (dsa_named_for): Likewise.
4266 * tree-ssa-structalias.c (update_alias_info): Likewise.
4267 (merge_smts_into): Likewise.
4269 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
4272 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
4273 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
4274 * alias.h (nonoverlapping_memrefs_p): Likewise.
4276 2008-02-25 Jan Beulich <jbeulich@novell.com>
4278 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
4279 * config/i386/netware-libgcc.exp: Add __bswap?i2,
4280 __emultls_get_address, __emultls_register_common,
4281 __floatundi?f, and _Unwind_GetIPInfo.
4282 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
4283 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
4284 (gen_regparm_prefix): Likewise.
4285 (i386_nlm_encode_section_info): Sync with
4286 config/i386/winnt.c:i386_pe_encode_section_info().
4287 (i386_nlm_maybe_mangle_decl_assembler_name): New.
4288 i386_nlm_mangle_decl_assembler_name): New.
4289 (netware_override_options): New.
4290 * config/i386/netware.h (netware_override_options): Declare.
4291 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
4292 (i386_nlm_mangle_decl_assembler_name): Declare.
4293 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
4295 2008-02-25 Ben Elliston <bje@au.ibm.com>
4298 * c-decl.c (grokdeclarator): Remove unused local variables
4299 `typedef_type' and `type_as_written'.
4301 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
4302 unused local variable `has_hot_blocks'.
4303 (fix_crossing_conditional_branches): Remove unused local variable
4306 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
4309 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
4310 using DEF_C99_BUILTIN.
4311 (BUILT_IN_NANF): Ditto.
4312 (BUILT_IN_NANL): Ditto.
4314 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
4315 Revital Eres <eres@il.ibm.com>
4317 * modulo-sched.c (calculate_must_precede_follow): Address TODO
4318 regarding the order of two dependent insns in the same row.
4320 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
4322 * stor-layout.c (layout_decl): Do not bump the alignment of a
4323 bit-field to more than byte alignment if it is packed.
4325 2008-02-24 David Edelsohn <edelsohn@gnu.org>
4327 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
4330 2008-02-24 Diego Novillo <dnovillo@google.com>
4332 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
4335 * tree-vrp.c (vrp_evaluate_conditional): With
4336 -Wtype-limits, emit a warning when comparing against a
4337 constant outside the natural range of OP0's type.
4338 * c.opt (Wtype-limits): Move ...
4339 * common.opt (Wtype-limits): ... here.
4341 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
4343 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
4344 * config/rs6000/e300c2c3.md: New file.
4345 * config/rs6000/rs6000.c (processor_costs): Add new costs for
4347 (rs6000_override_options): Add e300c2 and e300c3 cases to
4348 processor_target_table. Do not allow usage of Altivec or Spe
4349 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
4350 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
4351 * config/rs6000/rs6000.h (processor_type): Add
4352 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
4353 (ASM_CPU_SPEC): Add e300c2 and e300c3.
4354 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
4355 and ppce300c3. Include e300c2c3.md.
4357 2008-02-23 David Edelsohn <edelsohn@gnu.org>
4359 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
4360 instead of TARGET_STRICT_ALIGN.
4362 2008-02-23 Joseph Myers <joseph@codesourcery.com>
4364 * explow.c (memory_address): Assert that the generated address is
4367 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4370 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
4371 * config/darwin-ppc-ldouble-patch.def: New file.
4372 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
4373 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
4374 SUBTARGET_INIT_BUILTINS if defined.
4375 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
4378 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
4381 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
4382 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
4384 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
4387 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
4388 file" warning condtional on -Winvalid-PCH.
4390 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
4392 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
4394 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
4398 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
4399 prevent reload from using MMX registers.
4400 (*mov<mode>_internal): Ditto.
4401 (*movv2sf_internal_rex64): Ditto.
4402 (*movv2sf_internal): Ditto.
4404 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4406 PR documentation/31569
4407 * doc/install.texi2html: Use makeinfo --no-number-sections.
4409 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4411 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
4412 ensure that we can address an entire entity > 8 bytes. Don't
4413 generate reg+reg addressing for such data.
4415 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4417 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
4418 strings when optimizing for size, unless the target cares about
4421 2008-02-22 Tom Tromey <tromey@redhat.com>
4423 * regclass.c (current_pass): Remove declaration.
4425 2008-02-22 Anatoly Sokolov <aesok@post.ru>
4427 * config/avr/libgcc.S (__RAMPZ__): Define.
4428 (__do_copy_data): Add for devices with 128KB code memory.
4430 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4432 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4434 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
4436 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
4438 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
4441 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4444 * c-typeck.c (build_binary_op): Warn about floating point
4445 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
4447 2008-02-21 Janis Johnson <janis187@us.ibm.com>
4450 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
4451 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
4453 (rs6000_override_options): Set altivec_abi as default, not override,
4454 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
4455 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
4456 is used; use new member spe_abi.
4457 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
4458 spe_abi and altivec_abi.
4460 2008-02-22 Tomas Bily <tbily@suse.cz>
4462 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
4464 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4467 * config.build (build_file_translate): Set to `CMD //c' only if
4469 * Makefile.in (build_file_translate): Improve comment.
4471 2008-02-21 Jan Hubicka <jh@suse.cz>
4473 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
4474 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
4475 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
4477 2008-02-21 Michael Matz <matz@suse.de>
4480 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
4482 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
4484 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
4485 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
4487 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
4488 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
4489 SSE_VEC_FLOAT_MODE_P as insn constraint.
4490 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
4491 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
4492 sse4a_movntdf using MODEF mode iterator.
4493 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
4494 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
4495 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
4496 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
4497 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
4498 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
4499 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
4501 2008-02-21 Richard Guenther <rguenther@suse.de>
4503 * tree.def (PAREN_EXPR): New tree code.
4504 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
4506 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
4507 * expr.c (expand_expr_real_1): Likewise.
4508 * tree-inline.c (estimate_num_insns_1): Likewise.
4509 * tree-complex.c (expand_complex_move): Likewise.
4510 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
4513 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
4516 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
4518 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
4521 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
4523 * config/sh/sh.c (find_barrier): Don't go past
4524 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
4526 2008-02-20 DJ Delorie <dj@redhat.com>
4528 * config/h8300/h8300.md (insv): Force source operand to be a register.
4530 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
4531 as a jump, not as a plain insn.
4533 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
4535 * doc/invoke.texi (Warning Options): Add new option
4536 -Wframe-larger-than=.
4537 (-Wframe-larger-than): Document.
4539 * flags.h (warn_frame_larger_than, frame_larger_than_size):
4540 Add declarations for new option variables.
4542 * final.c (final_start_function): Check the frame size
4543 before emission and issue a Wframe-larger-than warning.
4545 * opts.c (warn_frame_larger_than, frame_larger_than_size):
4546 Add definitions for new option variables.
4547 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
4549 * common.opt (Wframe-larger-than=): New option.
4551 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
4553 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
4554 (<sse>_div<mode>3): Ditto.
4555 (<sse>_vmdiv<mode>3): Ditto.
4556 (<sse>_vmsqrt<mode>2): Ditto.
4557 (*smax<mode>3): Ditto.
4558 (sse5_frcz<mode>2): Ditto.
4559 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
4562 2008-02-20 Richard Guenther <rguenther@suse.de>
4565 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
4566 be happy with INTEGRAL_TYPE_P.
4568 2008-02-20 Richard Guenther <rguenther@suse.de>
4570 * fold-const.c (split_tree): Associate floatig-point expressions
4571 if flag_associative_math is set.
4573 2008-02-20 Richard Guenther <rguenther@suse.de>
4575 * tree.h (fold_real_zero_addition_p): Declare.
4576 * fold-const.c (fold_real_zero_addition_p): Export.
4577 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
4578 floating-point operations with zero and one.
4580 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
4582 * doc/install.texi: Correct references to CFLAGS, replacing them
4583 with BOOT_CFLAGS. Document flags used during bootstrap for
4586 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
4588 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
4589 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
4590 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
4592 (smin<mode>3): Ditto from similar patterns.
4593 (smax<mode>3): Ditto.
4594 (*ieee_smin<mode>3): Ditto.
4595 (*ieee_smax<mode>3): Ditto.
4596 * config/i386/sse.md (sse): New mode attribute.
4597 (mov<mode>): Macroize expander from movv4sf and movv2df using
4598 SSEMODEF2P mode iterator.
4599 (<sse>_movnt<mode>): Ditto from similar patterns. Use
4600 SSE_VEC_FLOAT_MODE_P as insn constraint.
4601 (storent<mode>): Ditto.
4602 (storent<mode>): Macroize expander from storentsf and storentdf using
4603 MODEF mode iterator.
4604 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
4605 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
4606 (abs<mode>2): Ditto from similar patterns.
4607 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
4608 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
4609 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
4610 (<sse>_vmsqrt<mode>2): Ditto.
4611 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
4612 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
4613 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
4614 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
4615 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
4616 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
4617 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
4619 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
4620 iterator and SSE_FLOAT_MODE_P as insn constraint.
4621 (<sse>_ucomi): Ditto from similar patterns.
4622 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
4623 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
4624 SSE_VEC_FLOAT_MODE_P as insn constraint.
4625 (vcond<mode>): Ditto from similar patterns.
4626 (and<mode>3, *and<mode>3): Ditto.
4627 (<sse>_nand<mode>3): Ditto.
4628 (ior<mode>3, *ior<mode>3): Ditto.
4629 (xor<mode>3, *xor<mode>3): Ditto.
4630 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
4631 iterator and SSE_FLOAT_MODE_P as insn constraint.
4632 (*nand<mode>3): Ditto from similar patterns.
4633 (*ior<mode>3): Ditto.
4634 (*xor<mode>3): Ditto.
4636 2008-02-20 Ira Rosen <irar@il.ibm.com>
4638 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
4639 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
4640 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
4642 2008-02-19 Jan Hubicka <jh@suse.cz>
4644 * predict.c (tree_bb_level_predictions): Remove variable next
4645 mistakely introduced by previous commit.
4647 2008-02-19 Jan Hubicka <jh@suse.cz>
4649 * predict.c (predict_paths_leading_to): Rewrite.
4650 (predict_paths_for_bb): New.
4651 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
4653 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4656 * Makefile.in (build_file_translate): New.
4657 (gcc-vers.texi): Use it for translating $(abs_srcdir).
4658 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
4659 * configure.ac (build_file_translate): Substitute it.
4660 * configure: Regenerate.
4662 2008-02-19 Jan Hubicka <jh@suse.cz>
4664 PR rtl-optimization/34408
4665 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
4668 2008-02-19 Jan Hubicka <jh@suse.cz>
4671 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
4674 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
4677 * config/i386/i386-modes.def: Revert the last DI alignment
4678 change until Ada people can look into it.
4680 2008-02-19 Nick Clifton <nickc@redhat.com>
4682 * opts.c (print_specific_help): Fix typo in --help text.
4684 2008-02-19 Jakub Jelinek <jakub@redhat.com>
4687 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
4688 32-bit inline asm without asm alternatives for host GCC < 3.0.
4690 2008-02-19 Richard Guenther <rguenther@suse.de>
4692 PR tree-optimization/34989
4693 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
4694 Allow propagation to INDIRECT_REF if we can simplify only.
4696 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4698 * c-common.c (warn_for_collisions_1): Use appropriate option when
4701 2008-02-19 Nick Clifton <nickc@redhat.com>
4704 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
4705 (handle_options): Fix indentation.
4706 (print_filtered_help): If no language-specific options were
4707 displayed tell the user how to list all the options supported by
4708 the language's front-end.
4709 (print_specific_help): Fix indentation and remove duplicate line.
4710 (common_handle_option): Handle the -v option.
4711 For --help enable the display of undocumented options if the -v
4712 switch has been included on the command line.
4713 For --help= check for overlaps in the arguments between the option
4714 classes and the language names and issue a warning when they
4715 cannot be disambiguated.
4716 * c.opt (v): Pass on to the common option handler.
4718 2008-02-19 Revital Eres <eres@il.ibm.com>
4720 * modulo-sched.c (sms_schedule): Change dump message when
4721 create_ddg function fails.
4722 (try_scheduling_node_in_cycle): Rename row to cycle.
4723 (print_partial_schedule): Rename CYCLE to ROW.
4725 2008-02-19 Christian Bruel <christian.bruel@st.com>
4726 Zdenek Dvorak <ook@ucw.cz>
4728 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
4730 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
4733 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
4734 (*x86_movdicc_0_m1_se): Ditto.
4736 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
4738 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
4739 (CMPtype): Define as __gcc_CMPtype.
4740 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
4741 (CMPtype): Define as __gcc_CMPtype.
4743 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
4745 Support valgrind 3.3 for --enable-checking=valgrind.
4746 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
4748 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
4749 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
4750 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
4751 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
4752 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
4753 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
4754 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
4756 * ggc-zone.c: Similar.
4757 * ggc-page.c: Similar.
4759 2008-02-19 Paul Brook <paul@codesourcery.com>
4762 * config/arm/ieee754-df.S: Fix do_it typo.
4763 * config/arm/ieee754-sf.S: Fix do_it typo.
4765 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
4768 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
4769 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
4770 (OPTION_MASK_ISA_SSE_SET): Likewise.
4771 (OPTION_MASK_ISA_SSE2_SET): Likewise.
4772 (OPTION_MASK_ISA_SSE3_SET): Likewise.
4773 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
4774 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
4775 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
4776 (OPTION_MASK_ISA_SSE4_SET): Likewise.
4777 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
4778 (OPTION_MASK_ISA_SSE5_SET): Likewise.
4779 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
4780 (OPTION_MASK_ISA_MMX_UNSET): Updated.
4781 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
4782 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
4783 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
4784 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
4785 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
4786 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
4787 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
4788 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
4789 (OPTION_MASK_ISA_SSE4): Removed.
4790 (ix86_handle_option): Turn on bits in ix86_isa_flags and
4791 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
4792 (override_options): Don't turn on implied SSE/MMX bits in
4795 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
4797 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
4800 2008-02-18 Joey Ye <joey.ye@intel.com>
4803 * tree-nested.c (insert_field_into_struct): Set type alignment
4804 to field alignment if the former is less than the latter.
4806 2008-02-18 Jakub Jelinek <jakub@redhat.com>
4808 * BASE-VER: Set to 4.4.0.
4810 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4812 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
4813 * doc/cfg.texi: Likewise.
4814 * doc/extend.texi: Likewise.
4815 * doc/gty.texi: Likewise.
4816 * doc/invoke.texi: Likewise.
4817 * doc/loop.texi: Likewise.
4818 * doc/md.texi: Likewise.
4819 * doc/passes.texi: Likewise.
4820 * doc/rtl.texi: Likewise.
4821 * doc/sourcebuild.texi: Likewise.
4822 * doc/tm.texi: Likewise.
4823 * doc/tree-ssa.texi: Likewise.
4825 2008-02-17 Richard Guenther <rguenther@suse.de>
4828 * tree-complex.c (init_parameter_lattice_values): Handle parameters
4829 without default definition.
4831 2008-02-17 Richard Guenther <rguenther@suse.de>
4833 PR tree-optimization/35231
4834 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
4837 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
4840 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4841 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
4842 libgcc_cmp_return mode.
4844 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4847 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
4849 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
4851 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
4854 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4856 * doc/c-tree.texi: Use `@.' where appropriate.
4857 * doc/extend.texi: Likewise.
4858 * doc/install.texi: Likewise.
4859 * doc/invoke.texi: Likewise.
4860 * doc/loop.texi: Likewise.
4861 * doc/makefile.texi: Likewise.
4862 * doc/md.texi: Likewise.
4863 * doc/passes.texi: Likewise.
4864 * doc/standards.texi: Likewise.
4865 * doc/tm.texi: Likewise.
4867 2008-02-15 Jakub Jelinek <jakub@redhat.com>
4870 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
4872 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
4873 rather than in entry_bb.
4875 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4877 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
4878 libgcc_cmp_return mode.
4880 2008-02-15 Jakub Jelinek <jakub@redhat.com>
4883 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
4884 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
4886 2008-02-15 Richard Guenther <rguenther@suse.de>
4887 Zdenek Dvorak <ook@ucw.cz>
4889 PR tree-optimization/35164
4890 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
4891 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
4892 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
4893 Only propagate addresses which do not have abnormal SSA_NAMEs
4896 2008-02-15 Joseph Myers <joseph@codesourcery.com>
4899 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
4901 2008-02-15 Jan Hubicka <jh@suse.cz>
4904 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
4906 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4909 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
4910 when calculating alignment_pad.
4912 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4914 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
4915 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
4916 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
4917 and STACK_BOUNDARY define.
4919 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
4921 PR preprocessor/35061
4922 * c-pragma.c (handle_pragma_pop_macro): Check that
4923 pushed_macro_table has been allocated.
4925 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
4928 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
4929 (force_gimple_operand): Likewise.
4930 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
4931 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
4932 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
4933 (find_interesting_uses_address): Check addressability and alignment
4934 of the base expression only after substituting bases of IVs into it.
4936 2008-02-14 Michael Matz <matz@suse.de>
4939 * function.c (instantiate_virtual_regs_in_insn): Reload address
4940 before falling back to reloading the whole operand.
4942 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
4944 * config/s390/s390.c (s390_mainpool_start): Emit the pool
4945 before the first section switch note.
4947 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4949 * doc/bugreport.texi: Update copyright years.
4950 * doc/c-tree.texi: Likewise.
4951 * doc/cfg.texi: Likewise.
4952 * doc/cpp.texi: Likewise.
4953 * doc/cppinternals.texi: Likewise.
4954 * doc/fragments.texi: Likewise.
4955 * doc/frontends.texi: Likewise.
4956 * doc/gcc.texi: Likewise.
4957 * doc/gty.texi: Likewise.
4958 * doc/hostconfig.texi: Likewise.
4959 * doc/implement-c.texi: Likewise.
4960 * doc/libgcc.texi: Likewise.
4961 * doc/loop.texi: Likewise.
4962 * doc/makefile.texi: Likewise.
4963 * doc/options.texi: Likewise.
4964 * doc/passes.texi: Likewise.
4965 * doc/rtl.texi: Likewise.
4966 * doc/sourcebuild.texi: Likewise.
4967 * doc/standards.texi: Likewise.
4968 * doc/tree-ssa.texi: Likewise.
4969 * doc/trouble.texi: Likewise.
4971 * doc/extend.texi: Use @: or add comma where appropriate.
4972 * doc/invoke.texi: Likewise.
4973 * doc/tm.texi: Likewise.
4975 2008-02-14 Alan Modra <amodra@bigpond.net.au>
4978 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
4981 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
4983 * doc/md.texi (clz, ctz): Add reference.
4984 * doc/rtl.texi (clz, ctz): Likewise.
4986 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4989 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
4992 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
4994 * config/s390/s390.c (struct constant_pool): New field
4995 emit_pool_after added.
4996 (s390_mainpool_start): Set the emit_pool_after flag according
4997 to the section switch notes.
4998 (s390_mainpool_finish): Consider emit_pool_after when emitting
4999 the literal pool at the end of the function.
5000 (s390_chunkify_start): Force literal pool splits at section
5003 2008-02-13 Michael Matz <matz@suse.de>
5006 * var-tracking.c (clobber_variable_part): Correctly traverse the
5009 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5012 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
5013 Add -fdump-ipa-inline.
5014 * tree-dump.c (dump_files): Remove tree-inlined dump.
5015 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
5017 2008-02-12 Richard Guenther <rguenther@suse.de>
5019 PR tree-optimization/35171
5020 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
5023 2008-02-12 Richard Guenther <rguenther@suse.de>
5026 * fold-const.c (fold_widened_comparison): Use get_unwidened in
5027 value-preserving mode. Disallow final truncation.
5029 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
5032 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
5033 code from here to...
5034 (force_gimple_operand): ...here.
5036 2008-02-12 Jakub Jelinek <jakub@redhat.com>
5039 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
5040 non-compatible pointers.
5041 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
5042 different FIELD_DECLs, try harder by comparing field offsets, sizes
5046 * function.c (match_asm_constraints_1): Don't replace the same input
5049 2008-02-12 Anatoly Sokolov <aesok@post.ru>
5051 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
5052 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
5053 (expand_epilogue): Restore RAMPZ register.
5054 * config/avr/avr.md (RAMPZ_ADDR): New constant.
5056 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
5058 * config/i386/cygwin.asm: (__alloca): Correct calling
5059 convention and alignment.
5060 (__chkstk): Force 8 byte stack alignment.
5062 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
5063 Richard Guenther <rguenther@suse.de>
5065 PR tree-optimization/33992
5066 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
5067 the zero we compare against.
5069 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
5072 * gthr-win32.h (__gthread_mutex_destroy_function): New function
5073 to CloseHandle after unlocking to prevent accumulation of handle
5076 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5079 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
5080 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
5081 and update LABEL_NUSES during and after reload.
5083 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
5086 * combine.c (simplify_if_then_else): Make sure the comparison is
5087 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
5089 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
5092 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
5093 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
5094 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
5095 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
5096 * tree.h (get_type_static_bounds): Likewise.
5098 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5100 * doc/invoke.texi (Option Summary, C++ Dialect Options)
5101 (Objective-C and Objective-C++ Dialect Options, Warning Options):
5102 Make -Wfoo language annotations match what the compiler outputs.
5104 2008-02-08 Sa Liu <saliu@de.ibm.com>
5106 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
5107 intrinsics spu_convts, spu_convtu, spu_convtf.
5108 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
5110 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
5112 * doc/extend.texi (Function Attributes) <noinline>: Mention
5113 asm ("") as method to keep calls.
5115 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5118 * doc/options.texi (Options): Replace references to opts.sh with
5120 * opts-common.c: Likewise.
5121 * optc-gen.awk: Likewise.
5123 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
5125 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
5127 2008-02-07 Richard Henderson <rth@redhat.com>
5130 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
5131 EXPR_LIST for the REG_EQUAL instead of a comparison with a
5134 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
5136 PR tree-optimization/35085
5137 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
5138 for operand entry oe2 in addition to operand entry oe3 in order to
5139 expose more opportunities for vectorizer sum reduction.
5141 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5144 * Makefile.in (LIBS): Remove $(GMPLIBS).
5145 (cc1-dummy, cc1): Add $(GMPLIBS).
5147 2008-02-06 Jan Hubicka <jh@suse.cz>
5150 * i386.md (moddf_integer): Do not produce partial memory stalls for
5151 targets where it hurts.
5153 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
5156 * optabs.c (expand_float): Do not check for decimal modes when
5157 expanding unsigned integer through signed conversion.
5159 2008-02-06 Nick Clifton <nickc@redhat.com>
5161 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
5162 inside the clobber with a match_operand and duplicated operand
5163 number in the constraint.
5164 (ineqbranchsi): Delete redundant comment.
5166 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
5168 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
5169 builtin_define ("__USE_INIT_FINI__").
5170 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
5172 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
5174 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5176 PR documentation/30330
5177 * doc/invoke.texi (C++ Dialect Options)
5178 (Objective-C and Objective-C++ Dialect Options, Warning Options):
5179 For each warning option -Wfoo that allows -Wno-foo, ensure both
5180 -Wfoo and -Wno-foo are listed in the option index. Fix index
5181 entry of -Wswitch-default, index -Wnormalized= including the
5182 `=', and -Wlarger-than-@var{len} including @var{len}.
5184 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
5186 * config/i386/i386.md (floatunssisf2): Use
5187 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
5188 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
5189 Macroize expander using MODEF mode iterator.
5191 2008-02-05 Diego Novillo <dnovillo@google.com>
5193 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
5196 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
5198 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5201 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
5203 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
5206 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
5207 to indicate if a message should be generated.
5208 (init_cumulative_args): Updated.
5209 (function_value_32): Likewise.
5211 2008-02-05 Joseph Myers <joseph@codesourcery.com>
5213 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
5215 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
5218 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
5219 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
5221 2008-02-04 Diego Novillo <dnovillo@google.com>
5223 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
5226 * tree-vrp.c (vrp_evaluate_conditional): With
5227 -Wtype-limits, emit a warning when comparing against a
5228 constant outside the natural range of OP0's type.
5230 2008-02-04 Richard Guenther <rguenther@suse.de>
5233 * expr.c (count_type_elements): Give for unions instead of
5236 2008-02-04 Richard Guenther <rguenther@suse.de>
5239 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
5240 to TYPE_DOMAINs base type instead of using bitsizetype here.
5242 2008-02-03 Jason Merrill <jason@redhat.com>
5244 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
5246 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5249 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
5250 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
5251 (RS/6000 and PowerPC Options): Fix typos and markup.
5252 * doc/passes.texi (Tree-SSA passes): Likewise.
5254 2008-02-02 Michael Matz <matz@suse.de>
5257 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
5258 from record_last_reg_set_info.
5259 (record_last_reg_set_info): Take an RTX argument, iterate over all
5260 constituent hardregs.
5261 (record_last_set_info, record_opr_changes): Change calls to
5262 new signature or to record_last_reg_set_info_regno.
5264 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
5266 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
5268 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
5270 PR rtl-optimization/34773
5271 * reg-notes.def (EQUAL): Mention significance of combination of
5272 REG_EQUAL and REG_RETVAL.
5273 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
5274 insn that has a REG_RETVAL.
5276 2008-02-01 Roger Sayle <roger@eyesopen.com>
5279 * configure.ac (--enable-fixed-point): Disable unless explicitly
5281 * configure: Regenerate.
5283 2008-02-01 Richard Guenther <rguenther@suse.de>
5286 * invoke.texi (-finline-limit): Remove no longer true parts
5287 of the documentation. Note that there is no default value.
5289 2008-02-01 Andrew Pinski <pinskia@gmail.com>
5290 Mark Mitchell <mark@codesourcery.com>
5291 Ben Elliston <bje@au.ibm.com>
5294 * doc/extend.texi (Other Builtins): Document.
5296 2008-01-31 Tom Browder <tom.browder@gmail.com>
5298 * doc/c-tree.texi (Types): Fix grammar.
5299 (Expression trees): Ditto.
5300 * doc/passes.texi (Tree-SSA passes): Ditto.
5302 * doc/configterms.texi (Configure Terms): Fix typo.
5303 * doc/cpp.texi (Common Predefined Macros): Ditto.
5304 * doc/md.texi (Machine Constraints): Ditto.
5306 * doc/makefile.texi (Makefile): Add comma.
5308 2008-01-31 Tom Browder <tom.browder@gmail.com>
5309 Gerald Pfeifer <gerald@pfeifer.com>
5311 * doc/sourcebuild.texi (Front End): Remove references to CVS
5312 and CVSROOT/modules.
5313 (Texinfo Manuals): Replace reference to CVS by one to SVN.
5314 (Back End): Remove reference to CVS.
5316 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
5319 * config/mips/mips.c (gen_load_const_gp): New function, taking a
5321 (mips16_gp_pseudo_reg): ...here.
5322 * config/mips/mips.md (load_const_gp): Replace with...
5323 (load_const_gp_<mode>): ...this :P-based insn.
5325 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5327 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
5328 options. Minor fixes.
5329 (-std): Move reference to standards closer to where language
5330 standards are first mentioned.
5332 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
5334 PR rtl-optimization/34995
5335 * reload.c (alternative_allows_const_pool_ref): Take an rtx
5336 parameter and return a bool. If the rtx parameter is nonnull,
5337 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
5338 (find_reloads): Update call accordingly. Pass the new operand
5339 if it needed no address reloads, otherwise pass null.
5341 2008-01-30 Richard Henderson <rth@redhat.com>
5344 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
5345 for unbounded arrays.
5347 2008-01-30 Silvius Rus <rus@google.com>
5349 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
5351 2008-01-30 Jan Hubicka <jh@suse.cz>
5354 * i386.c (init_cumulative_args): Use real function declaration when
5357 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
5359 PR rtl-optimization/34998
5360 * global.c (build_insn_chain): Treat non-subreg_lowpart
5361 SUBREGs of pseudos as clobbering all the words covered by the
5362 SUBREG, not just all the bytes.
5363 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
5364 original df_ref rather than an extract parameter.
5365 (global_conflicts): Update call accordingly.
5367 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
5369 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
5370 the overflow check to make it easier to read.
5371 (__fixtfdi): Change the type of the ll member in union
5372 long_double to UDItype_x.
5374 2008-01-30 Jakub Jelinek <jakub@redhat.com>
5377 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
5378 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
5379 * tree-inline.c (fold_marked_statements): Call
5380 cgraph_update_edges_for_call_stmt if folding a call statement.
5381 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
5382 debug_generic_stmt calls, reset it back afterwards.
5385 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
5387 * c-typeck.c (build_external_ref): Don't pedwarn about
5388 static vars in current function's scope.
5390 2008-01-29 Joseph Myers <joseph@codesourcery.com>
5392 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
5394 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
5397 * ipa-struct-reorg.c: Fix spelling.
5398 * params.def: Ditto.
5400 2008-01-29 Richard Guenther <rguenther@suse.de>
5403 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
5405 * tree-inline.c (remap_type): Increment remapping_type_depth
5406 around remapping types.
5407 (copy_body_r): Only add referenced variables if they are referenced
5408 from code, not types.
5410 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
5421 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
5422 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
5424 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
5427 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
5428 pointer for tiny stack.
5430 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
5432 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
5434 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
5436 * config/vx-common.h: Fix typo in comment.
5438 2008-01-28 Ian Lance Taylor <iant@google.com>
5442 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
5443 coalesce pointers if they have different DECL_NO_TBAA_P values.
5444 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
5445 between variables with different DECL_NO_TBAA_P values.
5447 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
5450 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
5451 are not legitimate small data references on SPE targets.
5453 2008-01-28 David Daney <ddaney@avtrex.com>
5455 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
5457 2008-01-28 David Daney <ddaney@avtrex.com>
5459 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
5461 2008-01-27 Joseph Myers <joseph@codesourcery.com>
5463 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
5464 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
5465 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
5466 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
5467 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
5468 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
5469 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
5470 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
5472 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5474 * basic-block.h (condjump_equiv_p): Fix comment.
5476 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5478 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
5479 print_generic_stmt_indented): Fix comment.
5481 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5483 * configure.ac (__stack_chk_fail): Add detecion for availability
5484 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
5485 * configure: Regenerate.
5487 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
5490 * final.c (output_addr_const): Handle TRUNCATE.
5492 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
5495 * tree-ssa-loop-ivopts.c (comp_cost): New type.
5496 (zero_cost, infinite_cost): New constants.
5497 (struct cost_pair): Change type of cost to comp_cost.
5498 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
5499 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
5501 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
5502 split_address_cost, ptr_difference_cost, difference_cost,
5503 get_computation_cost_at, get_computation_cost,
5504 determine_use_iv_cost_generic, determine_use_iv_cost_address,
5505 determine_use_iv_cost_condition, determine_use_iv_costs,
5506 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
5507 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
5508 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
5509 Change type of cost to comp_cost.
5510 (determine_iv_cost): Increase cost of non-original ivs, instead
5511 of decreasing the cost of original ones.
5512 (get_address_cost): Indicate the complexity of the addressing mode
5514 (try_add_cand_for): Prefer using ivs not specific to some object.
5515 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
5517 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
5518 Janis Johnson <janis187@us.ibm.com>
5521 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
5522 (TARGET_INSTANTIATE_DECLS): Likewise.
5523 * target.h (expand_to_rtl_hook): New target hook.
5524 (instantiate_decls): Likewise.
5525 * function.c (instantiate_decl): Make non-static. Rename to...
5526 (instantiate_decl_rtl): ... this.
5527 (instantiate_expr): Use instantiate_decl_rtl.
5528 (instantiate_decls_1): Likewise.
5529 (instantiate_decls): Likewise.
5530 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
5531 * function.h (instantiate_decl_rtl): Add prototype.
5532 * cfgexpand.c (target.h): New include.
5533 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
5534 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
5535 (TARGET_INSTANTIATE_DECLS): Likewise.
5536 (TARGET_INITIALIZER): New target hooks added.
5537 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
5539 * config/rs6000/rs6000.c (tree-flow.h): New include.
5540 (machine_function): Add sdmode_stack_slot field.
5541 (rs6000_alloc_sdmode_stack_slot): New function.
5542 (rs6000_instantiate_decls): Likewise.
5543 (rs6000_secondary_memory_needed_rtx): Likewise.
5544 (rs6000_check_sdmode): Likewise.
5545 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
5546 (TARGET_INSTANTIATE_DECLS): Likewise.
5547 (rs6000_hard_regno_mode_ok): Allow SDmode.
5548 (num_insns_constant): Likewise. Handle _Decimal32 constants.
5549 (rs6000_emit_move): Handle SDmode.
5550 (function_arg_advance): Likewise.
5551 (function_arg): Likewise.
5552 (rs6000_gimplify_va_arg): Likewise. Add special handling of
5553 SDmode var args for 32-bit compiles.
5554 (rs6000_secondary_reload_class): Handle SDmode.
5555 (rs6000_output_function_epilogue): Likewise.
5556 (rs6000_function_value): Simplify if statement.
5557 (rs6000_libcall_value): Likewise.
5558 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
5559 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
5560 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
5561 (movsd_hardfloat): New define_insn.
5562 (movsd_softfloat): Likewise.
5563 (movsd_store): Likewise.
5564 (movsd_load): Likewise.
5565 (extendsddd2): Likewise.
5566 (extendsdtd2): Likewise.
5567 (truncddsd2): Likewise.
5568 (movdd_hardfloat64): Fixup comment.
5569 (UNSPEC_MOVSD_LOAD): New constant.
5570 (UNSPEC_MOVSD_STORE): Likewise.
5572 2008-01-26 Jakub Jelinek <jakub@redhat.com>
5575 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
5577 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
5578 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
5579 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
5582 2008-01-26 David Edelsohn <edelsohn@gnu.org>
5585 * config.gcc: Separate AIX 5.3 from AIX 6.1.
5586 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5587 __LONGDOUBLE128 too.
5588 * config/rs6000/aix61.h: New file.
5590 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
5592 PR rtl-optimization/34959
5593 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
5594 popcount and parity rtxes the same mode as their operand.
5595 Truncate or extend the result to the return value's mode
5598 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
5601 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
5602 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
5603 to GOT_VERSION_REGNUM.
5604 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
5605 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
5606 * config/mips/mips.c (mips_emit_call_insn): New function.
5607 (mips_call_tls_get_addr): Call mips_expand_call directly.
5608 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
5610 (mips16_build_call_stub): Likewise. Return the call insn or null.
5611 (mips_expand_call): Update the call to mips16_build_call_stub
5612 accordingly and a remove redundant condition. Assert that MIPS16
5613 stubs do not use lazy binding. Use mips_emit_call_insn and return
5615 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
5617 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
5618 (mips_avoid_hazard): Remove hazard_set handling.
5619 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
5620 (UNSPEC_RESTORE_GP): ...this.
5621 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
5622 (FAKE_CALL_REGNO): Rename to...
5623 (GOT_VERSION_REGNUM): ...this.
5624 (type): Add "ghost" value. Add an associated insn reservation.
5625 (hazard_set): Remove.
5626 (exception_receiver): Rename to...
5627 (restore_gp): ...this and update the unspec identifier accordingly.
5628 (exception_receiver, nonlocal_got_receiver): New expanders.
5629 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
5630 FAKE_CALL_REGNO. Remove hazard_set attribute.
5631 (set_got_version, update_got_version): New patterns.
5633 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
5636 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
5638 2008-01-25 Joseph Myers <joseph@codesourcery.com>
5641 * doc/install.texi2html: Generate gcc-vers.texi.
5643 2008-01-25 DJ Delorie <dj@redhat.com>
5645 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
5647 2008-01-25 Joseph Myers <joseph@codesourcery.com>
5649 * config/c4x: Remove directory.
5650 * config.gcc (crx-*, mt-*): Mark obsolete.
5651 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
5652 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
5653 sh-*-rtemscoff*): Remove cases.
5654 * defaults.h (C4X_FLOAT_FORMAT): Remove.
5655 * real.c (encode_c4x_single, decode_c4x_single,
5656 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
5657 c4x_extended_format): Remove.
5658 * real.h (c4x_single_format, c4x_extended_format): Remove.
5659 * doc/extend.texi (interrupt, naked): Remove mention of attributes
5661 (Pragmas): Remove comment about c4x pragmas.
5662 * doc/install.texi (c4x): Remove target-specific instructions.
5663 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
5664 * doc/md.texi (Machine Constraints): Remove C4x documentation.
5665 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
5666 refer to C4x source files as examples.
5667 (C4X_FLOAT_FORMAT): Remove documentation.
5669 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
5671 * config/bfin/bfin.c (override_options): Reorder tests so that
5672 flag_pic gets enabled for -msep-data.
5674 2008-01-25 Richard Guenther <rguenther@suse.de>
5677 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
5678 to its bitfield precision if required.
5680 2008-01-25 Jakub Jelinek <jakub@redhat.com>
5683 * tree-nested.c (walk_omp_for): New function.
5684 (convert_nonlocal_reference, convert_local_reference): Call
5685 walk_omp_for on OMP_FOR.
5686 (convert_call_expr): Call walk_body on OMP_FOR's
5687 OMP_FOR_PRE_INIT_BODY.
5689 2008-01-25 Richard Guenther <rguenther@suse.de>
5691 PR tree-optimization/34966
5692 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
5693 default defs and PHI_NODEs we have to insert after the
5696 2008-01-24 Nick Clifton <nickc@redhat.com>
5698 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
5699 Provide a default definition.
5700 (LIBGCC2_UNITS_PER_WORD): Likewise.
5702 * config/stormy16/stormy16.c: Include df.h for the prototype
5703 for df_regs_ever_live_p.
5704 (xstormy16_expand_builtin_va_start): Convert the stack offset
5705 into a component_ref and then use POINTER_PLUS_EXPR to add it
5706 to the incoming_virtual_args_rtx.
5707 (xstormy16_gimplify_va_arg_expr): Rename to
5708 xstormy16_gimplify_va_arg_expr.
5709 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
5710 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
5711 xstormy16_gimplify_va_arg_expr.
5712 Fix up some formatting issues.
5714 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
5715 Move to predicates.md.
5716 (xs_hi_general_operand): Likewise.
5717 (xs_hi_nonmemory_operand): Likewise.
5718 * config/stormy16/predicates.md:
5719 (xstormy16_carry_plus_operand): New predicate.
5720 (xs_hi_general_operand): New predicate.
5721 (xs_hi_nonmemory_operand): New predicate.
5722 * config/stormy16/stormy16-protos.h:
5723 (xstormy16_carry_plus_operand): Delete prototype.
5724 (xs_hi_general_operand): Likewise.
5725 (xs_hi_nonmemory_operand): Likewise.
5727 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
5728 modifiers as they are no longer needed and they can trigger
5729 reload spill failures.
5731 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
5732 with a match_operand in order to help reload.
5734 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
5735 constraint with 'e' for the 8th alternative as this version of
5736 the mov.w instruction only accepts the lower 8 registers.
5738 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
5741 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
5742 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
5745 2008-01-25 Jakub Jelinek <jakub@redhat.com>
5748 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
5750 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
5752 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
5754 (remove_structure): Update allocations list before removing structure.
5756 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
5758 * ipa-struct-reorg.c (is_safe_cond_expr,
5759 create_new_stmts_for_cond_expr): Use integer_zerop function,
5760 that recognize not only zero-pointer, but zero-integer too.
5762 2008-01-25 Ben Elliston <bje@au.ibm.com>
5765 * fixproto: Escape "." in sed expression that strips leading "./".
5767 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
5770 * gcc.c (SWITCH_OK): Removed.
5771 (SWITCH_LIVE): Changed to bit.
5772 (SWITCH_FALSE): Likewise.
5773 (SWITCH_IGNORE): Likewise.
5774 (switchstr): Change live_cond to unsigned int.
5775 (process_command): Replace SWITCH_OK with 0.
5776 (do_self_spec): Likewise.
5777 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
5778 (give_switch): Likewise.
5779 (used_arg): Likewise.
5780 (do_spec_1): Set the SWITCH_IGNORE bit.
5781 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
5782 bits. Set the SWITCH_LIVE bit.
5784 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
5786 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
5788 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
5790 PR tree-optimization/34472
5791 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
5792 parameter to a "bool *" and set *DATA to false if there is
5793 an unsafe access. Do not delete the structure here.
5794 (check_cond_exprs): Delete it here instead.
5795 (check_cond_exprs, exclude_cold_structs): Do not increase
5796 I when removing a structure.
5798 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
5801 * config/i386/i386.c (ix86_expand_vector_init): Consider only
5802 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
5804 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
5807 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
5808 a fixed vector for stack.
5810 2008-01-24 Ben Elliston <bje@au.ibm.com>
5813 * doc/gcc.texi (Software development): Add a direntry for g++.
5815 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
5817 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
5818 stale and straggling -fforce-addr comments above.
5820 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
5822 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
5823 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
5825 2008-01-23 Michael Matz <matz@suse.de>
5828 * dwarf2out.c (force_type_die): Use modified_type_die instead of
5831 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
5833 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
5836 2008-01-23 Anatoly Sokolov <aesok@post.ru>
5838 * config/avr/avr.c (avr_current_arch): New variable.
5839 (avr_arch_types): Add 'avr31' and 'avr51' entries.
5840 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
5841 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
5842 (avr_override_options): Init 'avr_current_arch'.
5843 (base_arch_s): Move from here...
5844 * config/avr/avr.h (base_arch_s): ... here. Add new members
5845 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
5846 'mega' to 'have_jmp_call'.
5847 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
5848 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
5850 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
5852 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
5853 MULTILIB_MATCHES): (Ditto.).
5855 2008-01-23 Richard Guenther <rguenther@suse.de>
5858 * cgraphunit.c (cgraph_reset_node): Always mark the node
5859 not reachable if it is not queued already.
5861 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
5863 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
5864 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
5865 (cputype_selected): New static variable.
5866 (bfin_handle_option): Set it if -mcpu is used.
5867 (override_option): Select default set of workarounds if no cpu type
5868 selected on the command line.
5869 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
5871 From Michael Frysinger <michael.frysinger@analog.com>
5872 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
5873 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
5875 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
5876 for bf547, bf523, bf524, and bf526.
5877 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
5879 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5880 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
5881 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
5882 __ADSPBF547__ and __ADSPBF54x__ for bf547.
5883 * doc/invoke.texi (Blackfin Options): Document that
5884 -mcpu now accept bf547, bf523, bf524, and bf526.
5886 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
5888 PR rtl-optimization/34628
5889 * combine.c (try_combine): Stop and undo after the first combination
5890 if an autoincrement side-effect on the first insn has effectively
5893 2008-01-22 David Edelsohn <edelsohn@gnu.org>
5896 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
5897 Offset addresses are not valid for Altivec or paired float modes.
5899 2008-01-22 Jakub Jelinek <jakub@redhat.com>
5902 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
5903 if DECL_INITIAL (decl) is error_mark_node.
5906 * c-common.c (handle_vector_size_attribute): Only allow
5907 integral, scalar float and fixed point types. Handle OFFSET_TYPE
5908 the same way as pointer, array etc. types.
5909 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
5912 * tree.c (build_type_attribute_qual_variant): Call
5913 build_qualified_type if attributes are equal, but quals are not.
5915 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5918 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
5919 * flags.h (warn_strict_aliasing): Remove.
5920 (warn_strict_overflow): Remove.
5921 * opts.c (warn_strict_aliasing): Remove.
5922 (warn_strict_overflow): Remove.
5923 * c-opts.c (c_common_handle_option): -Wall only sets
5924 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
5925 (c_common_post_options): Give default values to -Wstrict-aliasing
5926 and -Wstrict-overflow if they are uninitialized.
5927 * common.opt (Wstrict-aliasing): Specify Var and Init.
5928 (Wstrict-overflow): Likewise.
5930 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5932 PR rtl-optimization/26854
5933 PR rtl-optimization/34400
5934 PR rtl-optimization/34884
5935 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
5937 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
5938 (df_rd_bb_info.expanded_lr_out): Deleted
5939 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
5940 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
5941 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5942 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5943 Removed code to allocate, initialize or free expanded_lr_out.
5944 (df_rd_bb_local_compute_process_def): Restructured to make more
5946 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
5947 sets if the sets are being trimmed.
5949 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
5952 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
5953 (as_vers): Likewise.
5954 * configure: Regenerated.
5956 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5959 * tree-pass.h (pass_build_alias): New pass.
5960 * tree-ssa-alias.c (gate_build_alias): New.
5961 (pass_build_alias): New.
5962 * passes.c (init_optimization_passes): Add pass_build_alias after
5963 pass_create_structure_vars.
5965 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
5967 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
5968 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
5969 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
5970 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
5971 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
5972 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
5973 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
5974 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
5975 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
5976 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
5977 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
5978 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
5979 * config/s390/s390.md (FP_ALL): New mode iterator.
5980 (_d): New mode attribute.
5981 ("*signbit<mode>2>"): Changed mode of first operand.
5982 ("isinf<mode>2"): Changed mode of first operand.
5983 ("*TDC_insn"): Adaptation for DFP modes.
5985 2008-01-22 Ben Elliston <bje@au.ibm.com>
5987 * tree.c (check_qualified_type): Improve function description.
5989 2008-01-21 Jason Merrill <jason@redhat.com>
5992 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
5993 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
5996 2008-01-21 DJ Delorie <dj@redhat.com>
5998 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
6001 2008-01-21 Richard Guenther <rguenther@suse.de>
6004 * tree-cfg.c (verify_expr): Allow all invariant expressions
6005 instead of just constant class ones as reference argument.
6006 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
6007 like any other constant.
6008 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
6010 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
6012 * regmove.c (fixup_match_1): Update call crossed frequencies.
6014 2008-01-21 Richard Guenther <rguenther@suse.de>
6017 * tree-inline.c (setup_one_parameter): Deal with mismatched
6018 types using a VIEW_CONVERT_EXPR.
6020 2008-01-21 Alon Dayan <alond@il.ibm.com>
6021 Olga Golovanevsky <olga@il.ibm.com>
6023 PR tree-optimization/34701
6024 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
6025 when the structure size is not a power of 2.
6027 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
6029 * doc/install.texi: Add doc for --enable-checking=df.
6031 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
6033 PR rtl-optimization/34808
6034 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
6036 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
6038 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
6041 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6043 PR rtl-optimization/26854
6044 PR rtl-optimization/34400
6045 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
6047 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
6048 (df_rd_bb_info.expanded_lr_out): New.
6049 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
6050 * loop_iv.c (iv_analysis_loop_init): Ditto.
6051 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
6052 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
6053 Added code to allocate, initialize or free expanded_lr_out.
6054 (df_rd_bb_local_compute_process_def): Restructured to make
6055 more understandable.
6056 (df_rd_confluence_n): Add code to do nothing with fake edges and
6057 code to no apply invalidate_by_call sets if the sets are being trimmed.
6058 (df_lr_local_finalize): Renamed to df_lr_finalize.
6059 (df_live_local_finalize): Renamed to df_live_finalize.
6061 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
6064 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
6065 deciding whether to use reciprocal instructions.
6067 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
6069 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
6070 dwarf2out_note_section_used if cold_text_section is NULL.
6072 2008-01-19 Jakub Jelinek <jakub@redhat.com>
6074 PR gcov-profile/34610
6075 * tree-cfg.c (make_edges): Mark both outgoing edges from
6076 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
6077 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
6078 from OMP_FOR and OMP_CONTINUE outgoing edges.
6080 * tree-profile.c (tree_profiling): Return early if
6081 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
6083 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
6084 from cfun to child_cfun.
6085 * function.h (struct function): Add after_tree_profile bit.
6087 2008-01-19 Anatoly Sokolov <aesok@post.ru>
6089 * config/avr/avr.S (_exit): Disable interrupt.
6091 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
6092 Steven Bosscher <stevenb.gcc@gmail.com>
6094 PR rtl-optimization/26854
6095 PR rtl-optimization/34400
6096 * df-problems.c (df_live_scratch): New scratch bitmap.
6097 (df_live_alloc): Allocate df_live_scratch when doing df_live.
6098 (df_live_reset): Clear the proper bitmaps.
6099 (df_live_bb_local_compute): Only process the artificial defs once
6100 since the order is not important.
6101 (df_live_init): Init the df_live sets only with the variables
6102 found live by df_lr.
6103 (df_live_transfer_function): Use the df_lr sets to prune the
6104 df_live sets as they are being computed.
6105 (df_live_free): Free df_live_scratch.
6107 2008-01-18 Ian Lance Taylor <iant@google.com>
6109 * common.opt: Add fmerge-debug-strings.
6110 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
6111 flag_merge_debug_strings rather than flag_merge_constants.
6112 * doc/invoke.texi (Option Summary): Mention
6113 -fmerge-debug-strings.
6114 (Debugging Options): Document -fmerge-debug-strings.
6116 2008-01-18 Ian Lance Taylor <iant@google.com>
6119 * tree.h (DECL_IS_OPERATOR_NEW): Define.
6120 (struct tree_function_decl): Add new field operator_new_flag.
6121 * tree-inline.c (expand_call_inline): When inlining a call to
6122 operator new, force the return value to go into a variable, and
6123 set DECL_NO_TBAA_P on that variable.
6124 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
6126 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
6129 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
6130 DWARF2_DEBUGGING_INFO.
6131 (dwarf2out_note_section_used): Ditto. Add prototype.
6132 (have_multiple_function_sections, text_section_used,
6133 cold_text_section_used, *cold_text_sections): Move declarations
6136 2008-01-17 Bob Wilson <bob.wilson@acm.org>
6138 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
6139 field and add signal_ra.
6140 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
6141 assignments to frame state pc. Move end of stack check after
6142 MD_FALLBACK_FRAME_STATE_FOR.
6143 (uw_update_context_1): Use frame state signal_regs if set, instead
6144 of checking signal_frame flag.
6145 (uw_update_context): Use frame state signal_ra if set.
6146 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
6147 * config/xtensa/linux-unwind.h: New file.
6149 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
6151 * modulo-sched.c (get_sched_window): Fix comment typo.
6153 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
6155 PR tree-optimization/34648
6156 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
6158 2008-01-17 Anatoly Sokolov <aesok@post.ru>
6160 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
6161 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
6163 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
6165 PR rtl-optimization/34400
6166 * df-core.c (df_worklist_dataflow_overeager,
6167 df_worklist_dataflow_doublequeue): New functions.
6168 (df_worklist_dataflow): Two different worklist solvers.
6169 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
6172 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6175 * doc/invoke.texi: Document the dependence on pthread for fopenmp
6176 and ftree-parallelize-loops.
6178 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
6180 PR rtl-optimization/34826
6181 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
6183 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
6185 * global.c (find_reg): Mark the eh regs as used if necessary.
6186 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
6187 * ra.h (struct allocno): no_eh_reg field added. Changed
6188 no_stack_reg type to bitfield.
6190 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
6192 * tree.c (substitute_in_expr): Add missing 'break'.
6194 2008-01-17 Richard Guenther <rguenther@suse.de>
6196 PR tree-optimization/34825
6197 * tree-ssa-math-opts.c (is_division_by): Do not recognize
6198 x / x as division to handle.
6200 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6202 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
6203 "-pthread" is specified.
6204 * pa-hpux11.h (LIB_SPEC): Likewise.
6206 2008-01-16 Janis Johnson <janis187@us.ibm.com>
6207 Peter Bergner <bergner@vnet.ibm.com>
6209 PR rtl-optimization/33796
6210 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
6212 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6214 PR libgfortran/34699
6215 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
6217 * pa-hpux10.h (LINK_SPEC): Likewise.
6218 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
6220 2008-01-16 Richard Guenther <rguenther@suse.de>
6223 * fold-const.c (fold_convert_const_int_from_int): Do not
6224 set overflow if that occured only because of a sign extension
6225 change when converting from/to a sizetype with the same
6226 precision and signedness.
6228 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
6231 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
6232 location address to the correct place. Update copyright year.
6234 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6236 * lambda-code.c (lambda_transform_legal_p): Handle the case of
6237 no dependences in the dependence_relations vector.
6239 2008-01-16 Jan Hubicka <jh@suse.cz>
6241 PR rtl-optimization/31396
6242 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
6243 * cfg.c (dump_reg_info): Print it.
6244 * regs.h (struct reg_info_t): add freq_calls_crossed.
6245 (REG_FREQ_CALLS_CROSSED): New macro.
6246 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
6247 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
6248 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
6249 regmove_optimize): Update call crossed frequencies.
6250 * local-alloc.c (struct qty): Add freq_calls_crossed.
6251 (alloc_qty): Copute freq_calls_crossed.
6252 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
6253 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
6254 * ra.h (struct allocno): Add freq_calls_crossed.
6256 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6258 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
6259 libgomp when compiling with ftree-parallelize-loops.
6260 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
6262 2008-01-16 Richard Guenther <rguenther@suse.de>
6264 PR tree-optimization/34769
6265 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
6266 * tree.c (int_cst_value): Instead make this function more
6267 permissive in what it accepts as valid input. Document this
6268 function always sign-extends the value.
6270 2008-01-16 Jakub Jelinek <jakub@redhat.com>
6271 Richard Guenther <rguenther@suse.de>
6274 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
6275 (gimple_fold_indirect_ref_rhs): ... this.
6276 (gimple_fold_indirect_ref): New function with foldings
6277 that preserve lvalueness.
6278 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
6279 * tree-flow.h (gimple_fold_indirect_ref): Declare.
6280 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
6281 to fold an INDIRECT_REF, fall back to the old use of
6282 fold_indirect_ref_1.
6284 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6286 * tree-data-ref.c (subscript_dependence_tester_1): Call
6287 free_conflict_function.
6288 (compute_self_dependence): Same.
6290 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
6293 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
6294 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
6296 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
6297 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
6298 for DWARF2_UNWIND_INFO targets.
6300 2008-01-16 Richard Guenther <rguenther@suse.de>
6303 * c-typeck.c (common_pointer_type): Do not merge inconsistent
6304 type qualifiers for function types.
6306 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
6308 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
6309 loop_iterator li from previous commit.
6311 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
6313 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
6315 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
6317 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
6318 (parallelize_loops): Don't parallelize irreducible components.
6320 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6323 * c-opts (c_common_post_options): Do not enable CPP
6324 flag_pedantic_errors by default.
6326 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
6328 PR rtl-optimization/31944
6329 * cse.c (remove_pseudo_from_table): New function.
6330 (merge_equiv_classes): Use above function to remove pseudo-registers.
6331 (invalidate): Likewise.
6333 2008-01-13 Richard Guenther <rguenther@suse.de>
6336 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
6337 instead of TYPE_MODE to deal with calls from expand_one_error_var.
6339 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
6341 * gcse.c (cprop_jump): Call validate_unshare_change instead of
6342 validate_change to unshare the source of the PC set.
6344 2008-01-12 Jan Hubicka <jh@suse.cz>
6347 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
6348 references above array bounds. This might trigger bounds checks for
6351 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
6353 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
6354 new_replaceable_dependencies.
6356 2008-01-12 Doug Kwan <dougkwan@google.com>
6358 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
6359 instead of OPT_Wreturn_type in warning due to ignored return type
6361 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
6362 options included in -Wextra.
6363 * c.opt: New option -Wignored_qualifiers.
6364 * doc/invoke.texi (Warning Options, -Wextra): Add new option
6365 -Wignore_qualifiers.
6366 (-Wignored-qualifiers): Document.
6367 (-Wreturn-type): Remove description of functionality now handled
6368 by -Wignored-qualifiers.
6370 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
6373 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
6374 NOP_EXPR if it is between integral types with the same precision.
6376 2008-01-12 Jan Hubicka <jh@suse.cz>
6379 * invoke.texi (max-inline-recursive-depth): Fix default value.
6381 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
6383 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
6386 2008-01-11 Bob Wilson <bob.wilson@acm.org>
6388 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
6390 2008-01-11 James E. Wilson <wilson@specifix.com>
6393 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
6395 2008-01-11 Anatoly Sokolov <aesok@post.ru>
6397 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
6398 save/restore frame pointer register and don't use 'call-prologues'
6399 optimization in function with "OS_task" attribute.
6401 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
6404 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
6405 when copying to memory.
6407 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
6409 PR rtl-optimization/30905
6410 * cfgcleanup.c: Include dce.h
6411 (crossjumps_occured): New global variable.
6412 (try_crossjump_bb): Exit loop after finding a fallthru edge.
6413 If something changed, set crossjumps_occured to true.
6414 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
6415 Don't add/remove fake edges to exit here...
6416 (cleanup_cfg): ...but do it here, when crossjumping.
6417 Run a fast DCE when successful crossjumps occured in the latest
6418 iteration of try_optimize_cfg.
6420 2008-01-11 Richard Guenther <rguenther@suse.de>
6422 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
6423 (struct vn_unary_op_s): Likewise.
6424 (vn_reference_insert): Free old reference on hash collision.
6426 2008-01-10 Raksit Ashok <raksit@google.com>
6428 PR rtl-optimization/27971
6429 * combine.c (find_split_point): Split PLUS expressions which are
6430 inside a MEM rtx, and whose first operand is complex.
6432 2008-01-10 DJ Delorie <dj@redhat.com>
6434 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
6435 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
6436 (m32c_hard_regno_ok): Call the underlying function.
6438 2008-01-10 Richard Guenther <rguenther@suse.de>
6441 * tree-cfg.c (tree_merge_blocks): Do not go through the
6442 full-blown folding and stmt updating path if we just deal
6443 with virtual operands.
6444 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
6445 test for abnormal SSA_NAMEs.
6447 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
6450 * reload.c (push_reload): Add assertions. All constants from
6451 reg_equiv_constant should have been used for replacing the respective
6453 (find_reloads_address): Invoke find_reloads_address_part for
6454 constant taken from the reg_equiv_constant array.
6456 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
6458 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
6459 field (valnum) the first in the struct. Replace bools with
6462 2008-01-10 Richard Guenther <rguenther@suse.de>
6464 PR tree-optimization/34651
6465 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
6466 types and ordering for masking and converting.
6468 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
6470 PR tree-optimization/34017
6471 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
6472 also for PHI_NODE expressions.
6474 2008-01-09 Jan Hubicka <jh@suse.cz>
6476 PR tree-optimization/34708
6477 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
6478 based on number of case labels.
6479 (init_inline_once): Remove switch_cost.
6480 * tree-inline.h (eni_weights_d): Remove switch_cost.
6482 2008-01-09 Richard Guenther <rguenther@suse.de>
6483 Andrew Pinski <andrew_pinski@playstation.sony.com>
6486 * gimplify.c (gimplify_cond_expr): Do not create an addressable
6487 temporary if an rvalue is ok or an lvalue is not required.
6489 2008-01-09 Richard Guenther <rguenther@suse.de>
6492 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
6495 2008-01-09 Richard Guenther <rguenther@suse.de>
6498 * tree.c (host_integerp): Check for sizetype only if the
6499 type is an integer type.
6501 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
6504 * opts.c (decode_options): Disable inlining of functions called
6505 once if not in unit-at-a-time mode.
6507 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
6509 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
6511 2008-01-08 Richard Guenther <rguenther@suse.de>
6514 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
6515 out early if the result will be unused.
6517 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
6522 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6523 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
6526 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
6528 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
6529 for vectorization tuned.
6531 2008-01-08 Richard Guenther <rguenther@suse.de>
6533 PR tree-optimization/34683
6534 * tree-ssa-operands.c (operand_build_cmp): Export.
6535 * tree-ssa-operands.h (operand_build_cmp): Declare.
6536 * tree-vn.c (vuses_compare): Remove.
6537 (sort_vuses): Use operand_build_cmp.
6538 (sort_vuses_heap): Likewise.
6539 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
6540 to re-use old VEC if available. Do not sort already sorted VUSEs.
6541 (vdefs_to_vec): Do not sort already sorted VDEFs.
6543 2008-01-08 Jakub Jelinek <jakub@redhat.com>
6546 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
6548 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
6551 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
6552 limitations of reciprocal sequences on x86 targets.
6554 2008-01-08 Richard Guenther <rguenther@suse.de>
6556 PR tree-optimization/34683
6557 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
6559 2008-01-07 Jakub Jelinek <jakub@redhat.com>
6562 * config/darwin.c (darwin_mergeable_string_section): Don't use
6563 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
6565 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
6568 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
6569 negxf2. Macroize expander using X87MODEF mode iterator. Change
6570 predicates of op0 and op1 to register_operand.
6571 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
6572 expander using X87MODEF mode iterator. Change predicates of
6573 op0 and op1 to register_operand.
6574 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
6575 corresponding patterns and macroize using MODEF macro. Change
6576 predicates of op0 and op1 to register_operand and remove
6577 "m" constraint. Disparage "r" alternative with "!".
6578 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
6579 macroize using X87MODEF macro. Change predicates of op0 and op1
6580 to register_operand and remove "m" constraint. Disparage "r"
6581 alternative with "!".
6582 (absneg splitter with memory operands): Remove.
6583 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
6584 patterns and macroize using X87MODEF mode iterator.
6585 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
6586 Change predicate of op1 to register_operand.
6587 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
6588 for memory operands.
6590 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
6592 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
6594 2008-01-07 Richard Guenther <rguenther@suse.de>
6596 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
6599 2008-01-07 Richard Guenther <rguenther@suse.de>
6601 PR tree-optimization/34683
6602 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
6603 VOPs of the needed size to save memory. Use VEC_quick_push
6604 to save compile-time.
6605 (vdefs_to_vec): Likewise.
6607 2008-01-07 Sa Liu <saliu@de.ibm.com>
6609 * config/spu/spu.md (divdf3): Genetate inline code for double
6610 division. The implementation doesn't handle INF or NAN, therefore it
6611 only applies when -ffinite-math-only is given.
6613 2008-01-06 Paolo Carlini <pcarlini@suse.de>
6616 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
6617 * doc/cpp.texi ([Common Predefined Macros]): Document.
6619 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
6621 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
6622 order to use commutative addition instead of subtraction.
6624 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
6625 Mircea Namolaru <namolaru@il.ibm.com>
6626 Vladimir Yanovsky <yanov@il.ibm.com>
6627 Revital Eres <eres@il.ibm.com>
6629 PR tree-optimization/34263
6630 * tree-outof-ssa.c (process_single_block_loop_latch,
6631 contains_tree_r): New functions.
6632 (analyze_edges_for_bb): Call process_single_block_loop_latch
6633 function to empty single-basic-block latch block if possible.
6635 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6637 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
6639 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
6641 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
6643 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
6645 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
6647 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
6649 2008-01-05 Jakub Jelinek <jakub@redhat.com>
6651 PR tree-optimization/34618
6652 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
6655 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6658 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
6659 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
6660 Update copyright year.
6662 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
6663 Update copyright year.
6664 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
6667 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
6669 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
6670 edge does not point to current bb before changing need_assert.
6672 2008-01-04 Richard Guenther <rguenther@suse.de>
6675 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
6676 for verifying purposes if they are is_gimple_min_invariant.
6678 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
6680 PR tree-optimization/34448
6681 PR tree-optimization/34465
6682 * gimplify.c (gimplify_init_constructor): Add new parameter
6683 notify_temp_creation. Use it.
6684 (gimplify_modify_expr_rhs): Take volatiles into account when
6685 optimizing constructors.
6686 Do not optimize constructors if gimplify_init_constructor will dump to
6688 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
6689 * gcc.c-torture/compile/pr34448.c: New.
6691 2008-01-04 Jakub Jelinek <jakub@redhat.com>
6693 PR gcov-profile/34609
6694 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
6695 return_slot if result is TREE_ADDRESSABLE.
6697 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
6699 * config/mips/mips.md (sqrt_condition): Tweak comment.
6700 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
6702 2008-01-03 Tom Tromey <tromey@redhat.com>
6705 * c-common.c (c_type_hash): Handle VLAs.
6707 2008-01-03 Jan Hubicka <jh@suse.cz>
6709 PR tree-optimization/31081
6710 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
6711 0 when inlining and not inlining to first basic block.
6712 (remap_decl): When var is initialized to 0, don't set default_def.
6713 (expand_call_inline): Set entry_bb.
6714 * tree-inline.h (copy_body_data): Add entry_bb.
6716 2008-01-03 Jakub Jelinek <jakub@redhat.com>
6719 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
6722 PR tree-optimization/29484
6723 * tree-inline.c (inline_forbidden_p_2): New function.
6724 (inline_forbidden_p): Disallow inlining if some static var
6725 has an address of a local LABEL_DECL in its initializer.
6726 * doc/extend.texi (Labels as Values): Document &&foo behaviour
6729 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
6731 PR tree-optimization/34635
6732 * tree-data-ref.c (add_other_self_distances): Make sure that the
6733 evolution step is constant.
6735 2008-01-03 Jakub Jelinek <jakub@redhat.com>
6738 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
6740 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
6742 * tree-sra.c (scalarize_init): Insert the generate_element_init
6743 statements after the generate_element_zero statements.
6745 2008-01-02 Richard Guenther <rguenther@suse.de>
6749 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
6750 for very large number of operands instead of ICEing.
6752 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
6755 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
6756 while stack probing.
6758 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
6760 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
6763 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
6766 * tree-mudflap.c (mx_register_decls): Guard warning by
6767 !DECL_ARTIFICIAL check.
6769 2008-01-01 Jakub Jelinek <jakub@redhat.com>
6771 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
6772 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
6773 sse5_perm<mode>): Fix constraints.