| blob | 78d3898e7f3e342e6a66e5d6e3f4924a9e8f66d5 |
1 2008-05-29 Vladimir Makarov <vmakarov@redhat.com>
3 * Makefile.in (caller-save.o): Add CFGLOOP_H.
5 * ira.c (ira): Call flow_loops_find after the allocation before
6 the reload.
8 * global.c (print_insn_chain): Print bitmap saved.
10 * reload.h (insn_chain): Add members saved and saved_pseudo_regno.
12 * reload1.c (changed_allocation_pseudos): New bitmap.
13 (init_reload): Initiate the bitmap.
14 (new_insn_chain): Initiate bitmap saved.
15 (order_regs_for_reload): Check bitmap saved.
16 (find_reg): Check bitmap saved to find register.
17 (delete_caller_save_insns): Print about removing caller-save insn.
18 Invalidate reload register taken from saved registers.
19 Recalculate used_spill_regs.
20 (finish_spills): Check bitmap saved. Set up
21 changed_allocation_pseudos. Remove sanity check.
23 * caller-save.c (cfgloop.h): Add the header.
24 (set_regs): New variable.
25 (bb_info): Remove members empty_save_in_p, kill, gen. Add members
26 empty_save_out_p, empty_restore_in_p, save_kill, save_gen,
27 restore_kill, restore_gen, free_gen, restore_in, restore_out,
28 free_in, free_out, live_at_end, restore_here, restore_in_mode,
29 restore_out_mode, save_in_pseudo, save_out_pseudo,
30 restore_in_pseudo, restore_out_pseudo.
31 (loop_info): New structure.
32 (LOOP_INFO): New macro.
33 (calculate_local_save_info): Add calculation of new bb_info
34 members for local info.
35 (restore_trans_fun, restore_con_fun_0, restore_con_fun_n,
36 calculate_restore_in_out, calculate_restore_here, free_trans_fun,
37 free_con_fun_0, free_con_fun_n, calculate_free_in_out): New
38 functions.
39 (make_global_save_analysis): Add calculation of new bb_info
40 members for global info.
41 (print_hard_reg_set_and_mode): Rename to
42 print_annotated_hard_reg_set. Print pseudo regnos too.
43 (print_save_data): Add printing new bb_info members.
44 (set_hard_reg_saved): New parameters from_saved_pseudo,
45 save_pseudo. Set them up.
46 (save_call_clobbered_regs): Rewrite.
47 (mark_referenced_regs): Set up set_regs.
48 (insert_restore, insert_save): New parameter save_pseudo. Use it
49 for setting save_pseudo_regno and for debugging output.
51 * ira-conflicts.c (build_conflict_bit_table): Check min/max.
53 * ira-build.c (conflict_vector_profitable_p): Ditto.
54 (clear_allocno_conflicts): Check that conflict allocno array size.
56 2008-05-21 Vladimir Makarov <vmakarov@redhat.com>
58 * ira.c (setup_preferred_alternate_classes): Remove.
59 (setup_preferred_alternate_classes_for_new_pseudos): New.
60 (setup_preferred_alternate_classes): Set memory cost for NO_REGS
61 to minimal one.
62 (ira): Remove setup_preferred_alternate_classes. Call
63 setup_preferred_alternate_classes_for_new_pseudos.
65 * ira-costs.c (record_reg_classes): Don't decrease frequency for
66 allows_mem.
67 (record_operand_costs): Use memcpy instead of memmove.
68 (print_costs): Use regno instead of allocno number in
69 invalid_mode_change_p.
70 (find_allocno_class_costs): Set up preferred and alternative
71 classes.
73 2008-05-18 Vladimir Makarov <vmakarov@redhat.com>
74 PR tree-optimization/26854
76 * timevar.def (TV_RELOAD): New timer.
78 * ira.c (ira): Use TV_IRA and TV_RELOAD.
79 (pass_ira): Remove TV_IRA.
81 * Makefile.in (ira-color.o): Add SPLAY_TREE_H.
83 * ira-conflicts.c (DEF_VEC_P, DEF_ALLOCC_P): Move to ira-int.h.
85 * ira-int.h (DEF_VEC_P, DEF_ALLOCC_P): Move from ira-conflicts.c and
86 ira-color.c.
87 (struct allocno): New bitfield splay_removed_p.
88 (ALLOCNO_MAY_BE_SPILLED_P): New macro.
90 * ira-color.c (splay-tree.h): Add the header.
91 (allocno_spill_priority_compare, splay_tree_allocate,
92 splay_tree_free): New functions.
93 (DEF_VEC_P, DEF_ALLOCC_P): Move to ira-int.h.
94 (sorted_allocnos_for_spilling): Rename to allocnos_for_spilling.
95 (splay_tree_node_pool, removed_splay_allocno_vec,
96 uncolorable_allocnos_num, uncolorable_allocnos_splay_tree): New
97 global variables.
98 (add_allocno_to_bucket, add_allocno_to_ordered_bucket,
99 delete_allocno_from_bucket): Update uncolorable_allocnos_num.
100 (USE_SPLAY_P): New macro.
101 (push_allocno_to_stack): Remove allocno from the splay tree.
102 (push_allocnos_to_stack): Use the splay trees.
103 (do_coloring): Create and finish splay_tree_node_pool.
104 Move allocation/deallocation of allocnos_for_spilling to here...
105 (initiate_ira_assign, finish_ira_assign): Move
106 allocnos_for_spilling from here...
107 (ira_color): Allocate/deallocate removed_splay_allocno_vec.
109 * ira-build.c (DEF_VEC_P, DEF_ALLOCC_P): Move to ira-int.h.
110 (create_allocno): Initiate ALLOCNO_SPLAY_REMOVED_P.
112 2008-05-12 Vladimir Makarov <vmakarov@redhat.com>
114 * Makefile.in (ira-build.o): Add sparseset.h.
116 * ira-build.c (sparseset.h): Add.
117 (remove_wrong_conflicts, change_allocno_conflicts,
118 check_and_add_conflicts, add_conflict_with_underlying_allocnos):
119 Remove.
120 (finish_loop_tree_node, clear_allocno_conflicts,
121 change_allocno_in_range_list): New functions.
122 (allocnos_bitmap): New variable.
123 (finish_loop_tree_nodes): Use finish_loop_tree_node.
124 (initiate_allocnos): Initiate allocno conflict id by its allocno
125 number.
126 (conflict_vector_profitable_p): Use allocno min/max attributes.
127 (temp_change_bit_vec): Remove.
128 (finish_allocno): Nullify the corresponding element in allocnos
129 and conflict_id_allocno_map.
130 (local_allocnos_bitmap): Remove.
131 (create_loop_tree_node_caps): Use local_allocnos_bitmap instead of
132 local_allocnos_bitmap.
133 (regno_top_level_allocno_map): Move to ira_flattening.
134 (ira_flattening): Rewriting conflict rebuilding.
135 (ira_build): Allocate/free allocnos_bitmap. Move
136 create_allocno_live_ranges before creation of allocno caps.
138 * ira-lives.c (propagate_new_allocno_info, propagate_new_info):
139 New functions.
140 (create_allocno_live_ranges): Call propagate_new_info.
142 * ira-color.c (ira_fast_allocation): Collect allocnos for sorting.
144 * ira-conflicts.c (propagate_allocno_info): Rename to
145 propagate_allocno_copy_info. Propagate only copies.
146 (propagate_info): Rename to propagate_copy_info.
148 2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
150 * toplev.c (backend_init_target): Move init_ira call from here...
151 (lang_dependent_init_target): ...to here.
153 2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
155 * ira.c (setup_class_subset_and_memory_move_costs): Don't calculate
156 memory move costs for NO_REGS.
158 2008-05-08 Vladimir Makarov <vmakarov@redhat.com>
160 * ira-int.h (loop_tree_node): New members subloops and
161 subloop_next.
163 * ira-conflicts.c (propagate_modified_regnos): Check that it is a
164 loop node.
165 (ira_build_conflicts): Use TRUE for traverse_loop_tree.
167 * ira-color.c (color_pass): Check that it is a
168 loop node. Use subloops and subloop_next for traversing.
169 (move_spill_restore): Ditto.
170 (coalesced_pseudo_reg_freq_compare,
171 coalesced_pseudo_reg_slot_compare, pseudo_reg_compare): Don't
172 discard const.
174 * ira-lives.c (create_allocno_live_ranges): Use TRUE for
175 traverse_loop_tree.
177 * ira-emit.c (ira_emit): Ditto.
179 * ira-build.c (add_loop_to_tree): Set up subloops and
180 subloop_next.
181 (setup_loop_tree_level): Use subloops and subloop_next for
182 traversing.
183 (form_loop_tree): Initialize subloops and subloop_next.
184 (traverse_loop_tree): Change 1st parameter semantics. Rewrite the
185 function.
186 (create_loop_tree_node_caps): Check that it is a loop node.
187 (check_and_add_conflicts): Check allocno loop nodes.
188 (add_conflict_with_underlying_allocnos): Use subloops and
189 subloop_next for traversing.
191 * ira.c (chain_freq_compare, chain_bb_compare): Don't discard
192 const.
193 (ira): Call regstat functions second time only if new pseudos are
194 created.
196 * ira-costs.c (find_allocno_class_costs): Use TRUE for
197 traverse_loop_tree.
198 (setup_allocno_cover_class_and_costs): Ditto.
200 2008-05-06 Vladimir Makarov <vmakarov@redhat.com>
202 PR rtl-optimization/36028
203 * caller-save.c (setup_save_areas): Adjust reused stack slot.
205 2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
207 * ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
208 STACK_REGS is defined.
210 2008-05-05 Vladimir Makarov <vmakarov@redhat.com>
212 * ira-color.c (allocno_assign_compare_func): Remove.
213 (ira_fast_allocation): Rewrite.
215 2008-05-02 Vladimir Makarov <vmakarov@redhat.com>
217 * ira-conflicts.c (print_conflicts): Exclude non-allocatable hard
218 regs and hard regs from different cover classes.
219 (ira_build_conflicts): Build conflicts only for optimization mode.
221 * cfgloopanal.c (estimate_reg_pressure_cost): Decrease cost only
222 for optimization mode.
224 * caller-save.c (caller-save.c, calculate_local_save_info,
225 save_call_clobbered_regs): Do save/restore placement optimization
226 and sharing stack slots only for optimization mode.
228 * ira-int.h (set_allocno_cover_class, ira_fast_allocation): New
229 prototypes.
231 * ira-color.c (assign_hard_reg): Clear conflicting_regs.
232 (allocno_assign_compare_func, allocno_assign_compare_func): New
233 functions.
235 * global.c (build_insn_chain): Add spilled pseudos only in
236 optimization mode.
238 * ira-emit.c (modify_move_list): Use set_allocno_cover_class.
240 * alias.c (nonoverlapping_memrefs_p): Check addresses only in
241 optimization mode.
243 * ira-build.c (create_allocno): Initialize
244 ALLOCNO_CONFLICT_HARD_REGS and ALLOCNO_TOTAL_CONFLICT_HARD_REGS by
245 non-allocatable hard reg set.
246 (set_allocno_cover_class): New function.
247 (create_cap_allocno): Use set_allocno_cover_class.
248 (ira_build): Call create_loop_tree_node_caps,
249 propagate_info_to_loop_tree_node_caps, and
250 propagate_info_to_loop_tree_node_caps only in optimization mode.
251 * ira.c (setup_reg_renumber): Add optimize to ira_assert.
252 (ira): Call find_reg_equiv_invariant_const, ira_color,
253 sort_insn_chain, and fix_reg_equiv_init only in optimization mode.
254 Call ira_fast_allocation for -O0. Use right argument for reload.
256 * ira-costs.c (find_allocno_class_costs): Use important_classes
257 only for optimization mode.
258 (setup_allocno_cover_class_and_costs): Use
259 set_allocno_cover_class. Initialize cost vectors only in
260 optimization mode. Call process_bb_node_for_hard_reg_moves only
261 in optimization mode.
263 * reload1.c (compute_use_by_pseudos): Add optimize to ira_assert.
264 (reload): Sort pseudo-registers only optimization mode. Restore
265 original order for insn chain only in optimization mode.
266 (calculate_needs_all_insns): Call mark_memory_move_deletion only
267 in optimization mode.
268 (count_pseudo, count_spilled_pseudo): Check spilled pseudos only
269 in optimization mode.
270 (alter_reg): Share stack slots only in optimization mode.
271 (finish_spills): Check spilled pseudos only in optimization mode.
272 (emit_input_reload_insns, delete_output_reload): Call
273 mark_allocation_change only in optimization mode.
275 2008-05-01 Vladimir Makarov <vmakarov@redhat.com>
277 * ira-int.h (IRA_BB_NODE_BY_INDEX, IRA_LOOP_NODE_BY_INDEX): Use
278 gcc_unreachable instead of exit.
279 (struct allocno): New members min, max, and conflict_id.
280 (ALLOCNO_MIN, ALLOCNO_MAX, ALLOCNO_CONFLICT_ID): New macros.
281 (conflict_id_allocno_map):
282 (SET_ALLOCNO_SET_BIT, CLEAR_ALLOCNO_SET_BIT,
283 TEST_ALLOCNO_SET_BIT): Add two new parameters. Add versions for
284 checking.
285 (allocno_set_iterator): Add new member start_val.
286 (allocno_set_iter_init): Add two new parameters. Set up
287 start_val.
288 (allocno_set_iter_cond): Use start_val.
289 (FOR_EACH_ALLOCNO_IN_SET): Add two new parameters.
290 (allocno_set_words): Remove.
291 (allocno_conflict_iterator): Add new member base_conflict_id.
292 (allocno_conflict_iter_init): Set up base_conflict_id. Use
293 ALLOCNO_MIN and ALLOCNO_MAX.
294 (allocno_conflict_iter_cond): Use conflict_id_allocno_map and
295 base_conflict_id.
297 * ira-lives.c: Include sparseset.h.
298 (allocno_set_words, SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE,
299 TEST_ALLOCNO_LIVE, allocnos_live_bitmap): Remove.
300 (allocnos_live): Define as sparseset.
301 (make_regno_born, clear_allocno_live, mark_reg_store,
302 mark_reg_death, process_single_reg_class_operands,
303 process_bb_node_lives, create_allocno_live_ranges): Don't use
304 allocnos_live_bitmap. Use allocnos_live as sparseset.
306 * Makefile.in (ira-conflicts.o, ira-lives.o): Add sparseset.h
308 * ira-conflicts.c: Add sparseset.h header.
309 (mirror_conflicts): Remove.
310 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE, TEST_ALLOCNO_LIVE): Remove.
311 (allocnos_live): Remove.
312 (CONFLICT_P): Remove
313 (CONFLICT_ALLOCNO_P): New.
314 (build_conflict_bit_table): Use sparseset. Use FOR_EACH_ALLOCNO.
315 Allocate bits for [min..max] range. Report conflict bit table
316 sizes. Setup conflicts for both allocnos.
317 (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for copy vectors.
318 (remove_conflict_allocno_copies): Use CONFLICT_ALLOCNO_P. Rename
319 conflict_allocno_copy_varray to conflict_allocno_copy_vec and make
320 it VEC.
321 (build_allocno_conflicts): Use two new arguments for
322 FOR_EACH_ALLOCNO_IN_SET. Use conflict_id_allocno_map. Modify
323 calculation of ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE. Use two new
324 arguments for SET_ALLOCNO_SET_BIT.
325 (ira_build_conflicts): Don't call mirror_conflicts.
327 * ira-color.c (varray.h): Remove.
328 (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for
329 allocno vectors.
330 (allocno_stack_varray): Rename to allocno_stack_vec. Make it a
331 VEC.
332 (assign_hard_reg, push_allocno_to_stack, pop_allocnos_from_stack,
333 ira_color): Use allocno_stack_vec as VEC.
335 * ira-build.c (setup_min_max_allocno_live_range_point,
336 allocno_range_compare_func, sort_conflict_id_allocno_map,
337 setup_min_max_conflict_allocno_ids): New function.
338 (conflict_id_allocno_map, conflict_id_allocno_map_vec): New global
339 variable.
340 (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for allocno vectors.
341 (allocno_varray): Rename to allocno_vec and make it a VEC.
342 (initiate_allocnos): Initiate conflict_id_allocno_map_vec. Use
343 allocno_vec as a VEC.
344 (create_allocno): Initiate min, max, and conflict_id_allocno.
345 Update conflict_id_allocno_map. Use allocno_vec as a VEC.
346 (allocate_allocno_conflict_bit_vec): Use ALLOCNO_MIN and
347 ALLOCNO_MAX.
348 (add_to_allocno_conflicts): Ditto.
349 (remove_wrong_conflicts): Ditto. Use conflict_id_allocno_map.
350 (change_allocno_conflicts): Ditto. Use add_to_allocno_conflicts
351 instead of SET_ALLOCNO_SET_BIT.
352 (finish_allocnos): Free conflict_id_allocno_map_vec. Use
353 allocno_vec as a VEC.
354 (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for copy vectors.
355 (copy_varray): Rename to copy_vec and make it a VEC.
356 (initiate_copies, create_copy, finish_copies): Use copy_vec as
357 a VEC.
358 (ira_build): Call setup_min_max_allocno_live_range_point,
359 sort_conflict_id_allocno_map, and
360 setup_min_max_conflict_allocno_ids.
362 * ira-emit.c (move_t): New typedef.
363 (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for move vectors.
364 (move_varray): Rename it to move_vec and make it a VEC.
365 (emit_move_list, add_range_and_copies_from_move_list): Use move_t.
366 (traverse_moves, ira_emit): Ditto. Use move_vec as a VEC.
367 (modify_move_list): Ditto. Set up conflict_id, min, and max for
368 the new allocno.
370 2008-04-10 Vladimir Makarov <vmakarov@redhat.com>
372 * reload1.c (substitute, gen_reload_chain_without_interm_reg_p):
373 New functions.
374 (reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
376 2008-04-09 Vladimir Makarov <vmakarov@redhat.com>
378 * ira.c (ira): Move allocate_initial_values after initializing reg
379 info.
381 2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
383 * config/spu/spu.h (IRA_COVER_CLASSES): New macro.
385 2008-04-08 Vladimir Makarov <vmakarov@redhat.com>
387 * ira-color.c (assign_hard_reg): Add debug printing.
389 * ira-lives.c (mark_reg_store, mark_reg_death,
390 process_bb_node_lives): Ignore hard regno of class NO_REGS.
392 * ira.c: Fix typos in comments.
394 2008-04-07 Vladimir Makarov <vmakarov@redhat.com>
396 * cfgloopanal.c (estimate_reg_pressure_cost): Decrease register
397 pressure cost for IRA regional allocation.
399 * ira.c: Add IRA overview.
401 2008-04-06 Vladimir Makarov <vmakarov@redhat.com>
403 * ira-int.h (reg_class_intersect, reg_class_union): Add comments.
405 * hard-reg-set.h (reg_class_subclasses): New external definition.
407 * ira.c (setup_reg_class_intersect_union): Define for classes
408 containing no hard registers available for allocation.
410 * regclass.c (reg_class_subclasses): Make it external.
412 * config/sh/sh.h (IRA_COVER_CLASSES): Add TARGET_REGS.
414 2008-04-05 Vladimir Makarov <vmakarov@redhat.com>
416 * toplev.c (backend_init_target): Move init_ira after
417 init_fake_stack_mems.
419 * config/sh/sh.c (sh_secondary_reload): Remove check of x on null.
421 2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
423 * config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
425 2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
427 * config/sh/sh.h (IRA_COVER_CLASSES): Define.
428 * config/sh/sh.c (sh_secondary_reload): Return NO_REGS for
429 null rtl.
430 * config/sh/sh.md (movsicc_true+3): Check if emit returns
431 a barrier.
432 * final.c (update_regs_ever_live): Check null rtl.
434 2008-04-04 Vladimir Makarov <vmakarov@redhat.com>
436 * reload1.c: Remove spaces before [.
438 * ira-conflicts.c, ira-int.h, ira-color.c, ira-lives.c,
439 ira-emit.c, ira-build.c, ira.c, ira.h, ira-costs.c: Ditto. Use
440 GPL3.
442 * caller-save.c: Ditto.
443 (set_up_bb_rts_numbers, rpost_cmp): Remove.
444 (save_trans_fun, save_con_fun_0, save_con_fun_n): New functions.
445 (struct bb_info): Remove member rts_number.
446 (calculate_local_save_info): Setup empty_save_in_p for abnormal
447 edges.
448 (all_blocks): New variable.
449 (calculate_save_in_out): Use df_simple_dataflow.
450 (make_global_save_analysis): Allocate/setup/free all_blocks.
452 2008-04-04 Vladimir Makarov <vmakarov@redhat.com>
454 * ira-costs.c: Use GPL3 in the header.
455 (find_allocno_class_costs): Use all important
456 classes on the 1st iteration.
458 2008-04-03 Vladimir Makarov <vmakarov@redhat.com>
460 PR rtl-optimization/35817
461 * ira-costs.c (ira-costs.c): Check have_regs_of_mode.
463 2008-04-02 Vladimir Makarov <vmakarov@redhat.com>
465 * ira-color.c (start_allocno_priorities): Permit zero allocno
466 nref.
468 2008-03-31 Vladimir Makarov <vmakarov@redhat.com>
470 * ira-color.c (push_allocnos_to_stack): Don't use double. Use
471 const as the secondary heuristic.
473 * ira-emit.c (set_allocno_reg): Change cap reg too. Process all
474 loop parents.
476 * doc/invoke.texi (-fira-coalescing): Change to -fira-coalesce.
478 * toplev.h (flag_lower_subreg): Remove.
480 * global.c (build_insn_chain): Remove the prototype.
482 * alias.c (value_addr_p): Change comment.
484 * emit-rtl.c (gen_lowpart_common): Remove CONCATN.
486 * simplify-rtx.c (simplify_subreg): Ditto.
488 * common.opt (flower-subreg): Remove.
490 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Fix last
491 merge.
493 2008-03-29 Vladimir Makarov <vmakarov@redhat.com>
495 * ira-lives (process_single_reg_class_operands): Fix typo in
496 setting up cover_class.
498 2008-03-28 Vladimir Makarov <vmakarov@redhat.com>
500 * ira-conflicts.c, global.c, regmove.c, function.c,
501 ira-emit.c, alias.c, reload1.c: Add comments, fix comments.
503 * reload.h: Add 2008 to the Copyright.
505 * caller-save.c: Add comments.
506 (reg_save_code, reg_restore_code, initiate_saved_hard_regs,
507 new_saved_hard_reg, finish_saved_hard_regs,
508 saved_hard_reg_compare_func, calculate_local_save_info,
509 set_up_bb_rts_numbers, rpost_cmp, calculate_save_in_out,
510 calculate_save_here, make_global_save_analysis,
511 print_hard_reg_set_and_mode, print_hard_reg_set, print_save_data,
512 set_hard_reg_saved, add_stored_regs): Add prototypes.
514 * df-scan.c (df_get_call_refs): Use
515 get_call_invalidated_used_regs.
517 * ira-int.h: Add comments.
518 (loop_tree_node): Rename inner to children.
519 (ira_allocate_regset, ira_free_regset): Remove.
520 (reassign_conflict_allocnos): Remove one parameter.
522 * ira-color.c: Add comments.
523 (setup_curr_costs): Rename to update_curr_costs.
524 (allocno_cost_compare_func, print_coalesced_allocno,
525 allocno_reload_assign): Add prototypes.
526 (reassign_conflict_allocnos): Remove one parameter.
528 * ira-lives.c: Add comments.
529 (make_regno_dead, make_regno_born_and_dead,
530 create_start_finish_chains, print_allocno_live_ranges,
531 print_live_ranges): Add protoypes.
533 * ira-build.c: Add comments.
534 (copy_allocno_live_range_list): Make it static.
536 * ira.c: Add comments.
537 (setup_cover_classes): Rename to
538 setup_cover_and_important_classes.
539 (free_register_move_costs, chain_freq_compare, chain_bb_compare,
540 ira): New prototypes.
541 (mode_inner_mode, setup_inner_mode, ira_allocate_regset,
542 ira_free_regset): Remove.
544 * ira.h: Add comments.
545 (SECONDARY_INPUT_RELOAD_CLASS,
546 SECONDARY_OUTPUT_RELOAD_CLASS, HAVE_SECONDARY_RELOADS,
547 MEMORY_MOVE_COST, reg_equiv_memory_loc_varray, reg_equiv_constant,
548 reg_equiv_memory_loc, reg_equiv_address, reg_equiv_mem, ira):
549 Remove.
551 * ira-costs.c: Add comments.
552 (find_allocno_class_costs): Make common class a cover class.
554 2008-03-20 Vladimir Makarov <vmakarov@redhat.com>
556 * ira-int.h (allocno): Rename conflict_allocno_vec and
557 conflict_allocno_vec_size into conflict_allocno_array and
558 conflict_allocno_array_size. Remove conflict_allocnos_num.
559 Rename total_conflict_allocnos_num into conflict_allocnos_num New
560 members child_renamed_p and conflict_vec_p.
561 (ALLOCNO_CONFLICT_ALLOCNO_VEC): Rename to
562 ALLOCNO_CONFLICT_ALLOCNO_ARRAY.
563 (ALLOCNO_CONFLICT_ALLOCNO_VEC_SIZE): Rename to
564 ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE.
565 (ALLOCNO_CHILD_RENAMED_P, ALLOCNO_CONFLICT_VEC_P): New macros.
566 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Change to
567 FOR_EACH_ALLOCNO_IN_SET.
568 (allocno_set_iterator): New typedef.
569 (allocno_set_iter_init, allocno_set_iter_cond,
570 allocno_set_iter_next): New functions.
571 (conflict_vector_profitable_p, allocate_allocno_conflict_vec): New
572 prototypes.
573 (allocno_iterator): New typedef.
574 (allocno_iter_init, allocno_iter_cond): New functions.
575 (FOR_EACH_ALLOCNO): New macro.
576 (copy_iterator): New typedef.
577 (copy_iter_init, copy_iter_cond): New functions.
578 (FOR_EACH_COPY): New macro.
579 (allocno_conflict_iterator): New typedef.
580 (allocno_conflict_iter_init, allocno_conflict_iter_cond,
581 allocno_conflict_iter_next): New functions.
582 (conflict_vector_profitable_p, allocate_allocno_conflict_vec): New
583 prototypes.
584 (FOR_EACH_ALLOCNO_CONFLICT): New macro.
586 * ira-conflicts.c (conflicts): Change type.
587 (CONFLICT_P): Use one more index for conflicts.
588 (build_conflict_bit_table): Change allocation and initialization
589 of conflicts.
590 (mirror_conflicts): Rewrite.
591 (remove_conflict_allocno_copies): Use FOR_EACH_ALLOCNO.
592 (build_allocno_conflict_vects): Rename to build_allocno_conflicts.
593 Rewrite it.
594 (print_conflicts): Use FOR_EACH_ALLOCNO, don't print star.
595 (ira_build_conflicts): Use FOR_EACH_ALLOCNO.
597 * ira-color.c (assign_hard_reg): Use FOR_EACH_ALLOCNO_CONFLICT.
598 Use min_full_cost for finding register profitability.
599 (push_allocno_to_stack): Use FOR_EACH_ALLOCNO_CONFLICT.
600 (setup_allocno_left_conflicts_num, coalesced_allocno_conflict_p):
601 Ditto.
602 (move_spill_restore): Use FOR_EACH_ALLOCNO.
603 (reassign_conflict_allocnos): Ditto. Use
604 FOR_EACH_ALLOCNO_CONFLICT.
605 (sort_regnos_for_alter_reg): Use FOR_EACH_ALLOCNO.
606 (reassign_pseudos): Use FOR_EACH_ALLOCNO_CONFLICT.
608 * ira-lives.c (make_regno_born, clear_allocno_live,
609 mark_reg_death, process_single_reg_class_operands,
610 process_bb_node_lives): Use FOR_EACH_ALLOCNO_IN_SET.
611 (create_start_finish_chains, print_live_ranges): Use
612 FOR_EACH_ALLOCNO.
614 * ira-emit.c (set_allocno_reg): Set up ALLOCNO_CHILD_RENAMED_P.
615 (set_allocno_somewhere_renamed_p): Use
616 ALLOCNO_CONFLICT_ALLOCNO_ARRAY.
617 (ira_emit): Use FOR_EACH_ALLOCNO.
619 * ira.c (setup_reg_renumber, setup_allocno_assignment_flags,
620 calculate_allocation_cost, check_allocation,
621 print_redundant_copies, setup_preferred_alternate_classes): Use
622 FOR_EACH_ALLOCNO.
624 * ira-costs.c (print_costs, setup_allocno_cover_class_and_costs,
625 ira_costs, tune_allocno_costs_and_cover_classes): Use
626 FOR_EACH_ALLOCNO.
628 * ira-build.c (check_allocno_conflict_vec): Remove.
629 (add_to_allocno_conflict_vec): Rename to
630 allocate_allocno_conflicts. Rewrite.
631 (allocate_allocno_conflict_bit_vec, allocate_allocno_conflicts,
632 remove_wrong_conflicts, change_allocno_conflicts): New functions.
633 (rebuild_regno_allocno_maps): Use FOR_EACH_ALLOCNO.
634 (create_allocno): Initialize ALLOCNO_CHILD_RENAMED_P and
635 ALLOCNO_CONFLICT_VEC_P.
636 (conflict_vector_profitable_p): New function.
637 (compress_allocno_conflict_vec): Use
638 ALLOCNO_CONFLICT_ALLOCNO_ARRAY and don't use
639 ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM.
640 (compress_conflict_vecs): Use FOR_EACH_ALLOCNO. Check
641 ALLOCNO_CONFLICT_VEC_P.
642 (propagate_info_to_cap): Use FOR_EACH_ALLOCNO_CONFLICT.
643 (finish_allocnos): Use FOR_EACH_ALLOCNO.
644 (finish_copies): Use FOR_EACH_COPY.
645 (check_and_add_conflicts): Change second parameter. Use
646 add_to_allocno_conflicts instead of add_to_allocno_conflict_vec.
647 (temp_change_bit_vec): New variable.
648 (ira_flattening): Use FOR_EACH_ALLOCNO and FOR_EACH_COPY. Use
649 remove_wrong_conflicts, change_allocno_conflicts. Allocate and
650 free temp_change_bit_vec. Nullify `allocnos' elements for removed
651 allocnos. Check ALLOCNO_CHILD_RENAMED_P for removing obsolete
652 conflicts. Don't compress and enumerate allocnos and copies.
653 Nullify `copies' elements for removed copies. Use
654 add_to_allocno_conflicts instead of add_to_allocno_conflict_vec.
655 (ira_build): Use FOR_EACH_ALLOCNO.
657 2008-03-18 Vladimir Makarov <vmakarov@redhat.com>
659 * common.opt (fira-algorithm): Fix description
661 * ira-int.h (allocno): Remove best_class.
662 (ALLOCNO_BEST_CLASS): Remove.
663 (strict_class_subset_p): Remove.
665 * ira-color.c (get_coalesced_allocnos_best_class_and_freq): Rename
666 to get_coalesced_allocnos_attributes. Change prototype.
667 Calculate available regs.
668 (bucket_allocno_compare_func, sort_bucket): New functions.
669 (sorted_allocnos_for_spilling): New variable.
670 (assign_hard_reg): Don't add prohibited_class_mode_regs to
671 conflicting_regs. Use it in loop for finding the best hard
672 register.
673 (add_allocno_to_ordered_bucket): Use bucket_allocno_compare_func.
674 (push_only_colorable): Call sort_bucket.
675 (push_allocnos_to_stack): Use sorted_allocnos_for_spilling instead
676 of sorted_allocnos.
677 (put_allocno_into_bucket): Use add_allocno_to_bucket instead of
678 add_allocno_to_ordered_bucket.
679 (initiate_ira_assign): Allocate sorted_allocnos_for_spilling.
680 (finish_ira_assign): Free sorted_allocnos_for_spilling.
682 * ira-emit.c (modify_move_list): Remove setting ALLOCNO_BEST_CLASS
683 up.
685 * ira-build.c (create_allocno, create_cap_allocno): Ditto.
687 * ira.c (strict_class_subset_p): Remove.
688 (setup_class_subset_and_memory_move_costs): Remove setting
689 strict_class_subset_p up.
691 * ira-costs.c (setup_allocno_cover_class_and_costs): Remove
692 setting ALLOCNO_BEST_CLASS up.
694 2008-03-12 Vladimir Makarov <vmakarov@redhat.com>
696 * ira-int.h (allocno_pool, copy_pool, allocno_live_range_pool):
697 Remove external definitions.
698 (free_allocno_updated_costs, allocate_cost_vector,
699 free_cost_vector): New prototypes.
700 (allocate_and_set_costs, allocate_and_copy_costs,
701 allocate_and_set_or_copy_costs): Change prototypes. Use
702 allocate_cost_vector instead of ira_allocate.
704 * ira-conflicts.c (add_insn_allocno_copies): Pass register class
705 to allocate_and_set_costs.
707 * ira-color.c (update_copy_costs_1): Pass register class to
708 allocate_and_set_or_copy_costs.
709 (assign_hard_reg): Pass register class to allocate_and_copy_costs.
710 Free updated costs.
711 (pop_allocnos_from_stack, color_allocnos): Check updated costs.
712 (color_pass): Pass register class to allocate_and_set_costs. Free
713 updated costs.
714 (move_spill_restore): Check reg equivalences.
715 (setup_curr_costs): Pass register class to
716 allocate_and_set_or_copy_costs.
717 (reassign_conflict_allocnos, allocno_reload_assign): Check updated
718 costs.
719 (calculate_spill_cost): Use REG_N_REFS after checking regno.
721 * ira-lives.c (process_single_reg_class_operands): Pass register
722 class to allocate_and_set_costs.
724 * ira-build.c (allocno_pool, allocno_live_range_pool): New
725 variables.
726 (initiate_allocnos): Initiate the pools.
727 (free_allocno_updated_costs): New function.
728 (finish_allocno): Use free_cost_vector. Free the pools.
729 (copy_pool): New variable.
730 (initiate_copies): Initiate the pool.
731 (cost_vector_pool): New variable.
732 (initiate_cost_vectors, allocate_cost_vector, free_cost_vector,
733 finish_cost_vectors): New functions.
734 (ira_flattening): Call free_allocno_updated_costs. Check updated
735 costs.
736 (ira_build): Call initiate_cost_vectors.
737 (ira_destroy): Call finish_cost_vectors.
739 * ira.c (find_reg_equiv_invariant_const): Check read only memory.
740 (setup_reg_renumber, setup_allocno_assignment_flags): Call
741 free_allocno_updated_costs.
742 (ira): Remove initializations and freeing allocno_pool, copy_pool,
743 and allocno_live_range_pool. Call generate_setjmp_warnings.
745 * ira-costs.c (process_bb_node_for_hard_reg_moves,
746 tune_allocno_costs_and_cover_classes): Pass register class to
747 allocate_and_set_costs.
749 * caller-save.c (save_slots_num, save_slots): New variables.
750 (init_save_areas): Initiate save_slots_num.
751 (setup_save_areas): Use stack slots from the previous reload
752 iteration independetly what slot was used on the previous pass.
754 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
756 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
757 Remove commutativity hint.
759 2008-03-06 Vladimir Makarov <vmakarov@redhat.com>
761 * ira.h (sort_regnos_for_alter_reg): Add parameter.
763 * reload1.c (reload): Pass additional argument to
764 sort_regnos_for_alter_reg.
766 * ira-int.h (reg_equiv_len): New global variable.
768 * ira-emit.c (change_loop): Add assertion.
770 * ira.c (reg_equiv_len): New global variable.
771 (setup_reg_renumber): Use reg_equiv_len in assertion.
772 (ira): Initialize reg_equiv_len and spilled_reg_stack_slots.
774 * ira-color.c (coalesced_pseudo_reg_compare): Rename to
775 coalesced_pseudo_reg_freq_compare.
776 (coalesced_pseudo_reg_slot_compare,
777 setup_coalesced_allocno_costs_and_nums,
778 collect_spilled_coalesced_allocnos, coalesce_spill_slots): New
779 functions.
780 (coalesced_allocno_conflict_p): Add new parameter. Use live
781 ranges to find conflicts for the reload.
782 (coalesce_allocnos): Don't coalesce allocnos with equivalences.
783 (color_pass): Check reg_quiv_len.
784 (regno_max_ref_width): New variable.
785 (sort_regnos_for_alter_reg): Add secondary coalescing spilled
786 allocnos. Assign stack slot numbers. Use costs instead of
787 frequencies.
788 (mark_allocation_change): Set up allocno hard regno.
789 (allocno_reload_assign): Ditto.
790 (reuse_stack_slot): Use stack slot numbers.
791 (mark_new_stack_slot): Set up allocno slot number.
793 * doc/passes.texi: Add more info about IRA.
795 2008-03-03 Vladimir Makarov <vmakarov@redhat.com>
797 * ira-conflicts.c (allocno_conflict_p): Rename to
798 allocno_live_ranges_intersect_p.
799 (allocno_reg_conflict_p): Rename to
800 pseudo_live_ranges_intersect_p.
802 * ira-lives.c (high_pressure_start_point): New variable.
803 (update_allocno_pressure_excess_length): New function.
804 (make_regno_dead): Call it.
805 (set_allocno_live): Udpate high_pressure_start_point.
806 (clear_allocno_live, mark_reg_store, mark_reg_death): Ditto.
807 (process_bb_node_lives): Initialize high_pressure_start_point.
808 Consider only allocatable hard regs for liveness.
810 * ira-costs.c (record_reg_classes): Multiply cost by frequency.
811 Use half frequency when memory is allowed. Remove check for
812 prefferred small register classes of pseudo-registers.
813 (scan_one_insn): Continue processing operands for moves of
814 pseudo-registers with equivalence. Don't multiply cost by
815 frequency.
816 (init_ira_costs): Use bigger initial cost value.
818 * ira-int.h: Ditto.
819 (allocno): New members somewhere_renamed_p and
820 excess_pressure_points_num.
821 (ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_EXCESS_PRESSURE_POINTS_NUM):
822 New macros.
823 (allocno_reg_conflict_p): Rename to
824 pseudo_live_ranges_intersect_p.
825 (allocno_conflict_p): Rename to allocno_live_ranges_intersect_p.
827 * ira.h (sort_regnos_for_alter_reg, better_spill_reload_regno_p):
828 New function prototypes.
830 * ira-color.c (merge_allocnos): Remove mode check.
831 (coalesce_allocnos): Add parameter and modify to use it for
832 coalescing spilled allocnos.
833 (color_allocnos): Pass parameter to coalesce_allocnos.
834 (regno_coalesced_allocno_freq, regno_coalesced_allocno_num): New
835 variables.
836 (coalesced_pseudo_reg_compare, calculate_spill_cost,
837 sort_regnos_for_alter_reg, better_spill_reload_regno_p): New
838 functions.
839 (mark_allocation_change, allocno_reload_assign, reassign_pseudos
840 ): Use ALLOCNO_MEMORY_COST instead of ALLOCNO_UPDATED_MEMORY_COST.
841 (reuse_stack_slot): Use pseudo_live_ranges_intersect_p instead of
842 allocno_reg_conflict_p.
844 * ira-emit.c (set_allocno_somewhere_renamed_p): New function.
845 (renamed_regno_bitmap): New static variable.
846 (change_loop): Check register pressure for creating new pseudo.
847 Set up ALLOCNO_SOMEWHERE_RENAMED_P and renamed_regno_bitmap.
848 (ira_emit): Allocate/deallocate renamed_regno_bitmap.
849 Call set_allocno_somewhere_renamed_p.
851 * ira-build.c (ira_loops): Move to ira.c.
852 (create_allocno): Initialize ALLOCNO_SOMEWHERE_RENAMED_P and
853 ALLOCNO_MEMORY_COST.
854 (create_cap_allocno): Set up ALLOCNO_MEMORY_COST.
855 (check_and_add_conflicts): Use allocno_live_ranges_intersect_p
856 instead of allocno_conflict_p.
857 (ira_flattening): Check conflicts of allocno renamed somewhere
858 locally. Update ALLOCNO_EXCESS_PRESSURE_POINTS_NUM.
859 (ira_build): Move code for finding loops to ira.c.
860 (ira_destroy): Move code for freeing loops to ira.c.
862 * ira.c (setup_reg_class_intersect_union): Fix calculation of
863 reg_class_union.
864 (calculate_allocation_cost): Use ALLOCNO_MEMORY_COST instead of
865 ALLOCNO_UPDATED_MEMORY_COST.
866 (ira_loops): Move from ira-build.c.
867 (ira): Move code for finding and freeing loops from ira-build.c.
868 Don't use regional RA when there are too many loops.
870 * reload1.c (pseudo_reg_compare): Remove.
871 (reload): Use sort_regnos_for_alter_reg.
872 (hard_regno_to_pseudo_regno): New variable.
873 (count_pseudo): Set up hard_regno_to_pseudo_regno.
874 (order_regs_for_reload): Initialize hard_regno_to_pseudo_regno.
875 (count_spilled_pseudo): Update hard_regno_to_pseudo_regno.
876 (find_reg): Use better_spill_reload_regno_p. Check
877 hard_regno_to_pseudo_regno.
879 * cfgloopanal.c: Include params.h.
880 (estimate_reg_pressure_cost): Check number of loops.
882 * params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
884 * params.h (IRA_MAX_LOOPS_NUM): New macro.
886 * Makefile.in (cfgloopanal.o): Add PARAMS_H.
888 * doc/invoke.texi (ira-max-loops-num): Describe.
890 2008-02-20 Vladimir Makarov <vmakarov@redhat.com>
892 * ira.h, ira-emit.c: Add year 2008 to the copyright.
894 * ira-int.h: Ditto.
895 (struct copy): Rename move_insn to insn.
896 (initiate_ira_assign, finish_ira_assign, debug_allocno_copies):
897 New function prototypes.
899 * ira-build.c: Add year 2008 to the copyright. Rename member
900 move_insn of the copies to insn.
901 (find_allocno_copy): New function.
902 (propagate_info_to_cap, add_allocno_copy): Use it.
903 (print_allocno_copies, debug_allocno_copies): New functions.
905 * ira-conflicts.c: Add year 2008 to the copyright. Rename member
906 move_insn of the copies to insn.
908 * ira.c: Ditto.
909 (setup_reg_class_intersect_union): Fix reg_class_union for cover
910 classes.
911 (ira): Call initiate_ira_assign and finish_ira_assign. Remove
912 setting reload_completed up.
914 * ira-costs.c: Add year 2008 to the copyright.
915 (ira_costs): Check modes of registers.
917 * ira-lives.c: Add year 2008 to the copyright.
918 (mark_reg_store, mark_reg_death, process_bb_node_lives): Don't use
919 REG_N_REFS.
920 (process_single_reg_class_operands): Check that the hard reg
921 belongs to the cover class.
923 * ira-color.c: Add year 2008 to the copyright. Rename member
924 move_insn of the copies to insn.
925 (initiate_cost_update, finish_cost_update, update_copy_costs_1):
926 New functions.
927 (allocno_update_cost_check, update_cost_check): New static
928 variables.
929 (update_copy_costs): Increment update_cost_check. Call
930 update_copy_costs_1.
931 (coalesce_allocnos): Don't coalesce already assigned allocnos or
932 copies with null insn.
933 (color_pass): Check loop tree node of the subloop allocno.
934 (finish_allocno_priorities): Remove.
935 (do_coloring): Move allocation/deallocation of
936 consideration_allocno_bitmap into initiate_cost_update and
937 finish_cost_update.
938 (reassign_conflict_allocnos): Remove allocation/deallocation of
939 sorted_allocnos. Remove call of finish_allocno_priorities.
940 (reassign_pseudos): Remove allocation/deallocation of
941 consideration_allocno_bitmap and sorted_allocnos. Remove call of
942 finish_allocno_priorities.
943 (initiate_ira_assign, finish_ira_assign): New fucntions.
944 (ira_color): Remove allocation/deallocation of sorted_allocnos.
945 Call initiate_ira_assign and finish_ira_assign.
947 * postreload.c (gate_handle_postreload): Don't do post reload
948 optimizations unless the reload is completed.
950 * cfgloopanal.c (estimate_reg_pressure_cost): Return zero if we
951 use regional RA.
953 * recog.c (peep2_free_reg_search_ofs): New static variable.
954 (peep2_find_free_register): Remove search_ofs. Use
955 peep2_free_reg_search_ofs instead of it.
956 (peephole2_optimize): Reset peep2_free_reg_search_ofs.
958 2008-01-10 Vladimir Makarov <vmakarov@redhat.com>
960 * reload1.c (compute_use_by_pseudos): Permits spilled registers in
961 FROM.
962 (temp_pseudo_reg_arr): New variable.
963 (reload): Use instead temp_pseudo_reg_arr of pseudo_regs. Move
964 freeing to the function end. Don't clear spilled_pseudos for IRA.
965 Restore original insn chain for IRA.
966 (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
967 (count_pseudo, count_spilled_pseudo): Check spilled pseudos.
968 (alter_reg): Set up spilled_pseudos.
969 (finish_spills): Set up pseudo_previous_regs only for spilled
970 pseudos. Call reassign_pseudos once for all spilled pseudos,
971 pass more arguments. Don't clear live_throughout and dead_or_set
972 for spilled pseudos.
974 2008-01-10 Vladimir Makarov <vmakarov@redhat.com>
976 * reload1.c (compute_use_by_pseudos): Permits spilled registers in
977 FROM.
978 (temp_pseudo_reg_arr): New variable.
979 (reload): Use instead temp_pseudo_reg_arr of pseudo_regs. Move
980 freeing to the function end. Don't clear spilled_pseudos for IRA.
981 Restore original insn chain for IRA.
982 (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
983 (count_pseudo, count_spilled_pseudo): Check spilled pseudos.
984 (alter_reg): Set up spilled_pseudos.
985 (finish_spills): Set up pseudo_previous_regs only for spilled
986 pseudos. Call reassign_pseudos once for all spilled pseudos,
987 pass more arguments. Don't clear live_throughout and dead_or_set
988 for spilled pseudos.
990 * global.c (reg_becomes_live, build_insn_chain): Don't ignore
991 spilled pseudos for IRA.
993 * caller-save.c (calculate_local_save_info,
994 save_call_clobbered_regs): Ignore spilled pseudos for IRA.
996 * toplev.c (backend_init_target): Call init_ira.
997 (backend_init): Move call of init_ira_once before
998 backend_init_target.
1000 * ira.h (init_ira, sort_insn_chain, mark_memory_move_deletion):
1001 New function prototypes.
1002 (retry_ira_color): Rename to reassign_pseudos. Change
1003 signature.
1005 * ira-int.h (allocno): New member dont_reassign_p.
1006 (ALLOCNO_DONT_REASSIGN_P): New macro.
1007 (memory_move_cost): Change element type.
1008 (register_move_cost): Change type.
1009 (register_may_move_in_cost, register_may_move_out_cost,
1010 reg_class_intersect): New arrays.
1011 (important_class_nums): Fix element type.
1012 (hard_reg_not_in_set_p): Make it static inline.
1013 (init_register_move_cost, init_ira_costs): New function
1014 prototypes.
1015 (allocno_conflict_index): Remove.
1016 (allocate_and_set_costs, allocate_and_copy_costs,
1017 allocate_and_set_or_copy_costs): New static inline functions.
1019 * ira-build.c (compress_allocno_conflict_vec,
1020 compress_conflict_vecs): New functions.
1021 (allocno_conflict_index): Remove.
1022 (allocno_conflict_check, curr_allocno_conflict_check_tick): New
1023 variables.
1024 (propagate_info_to_cap): Use allocate_and_copy_costs.
1025 (check_and_add_conflicts): Don't call allocno_conflict_index.
1026 (ira_flattening): Add some assertions. Check that cost vectors
1027 have been allocated. Don't call allocno_conflict_index. Call
1028 compress_conflict_vecs.
1030 * ira.c (memory_move_cost, register_move_cost): Change types.
1031 (register_may_move_in_cost, register_may_move_out_cost,
1032 strict_class_subset_p): New variables.
1033 (setup_class_subset_and_move_costs): Rename to
1034 setup_class_subset_and_memory_move_costs. Remove
1035 register_move_cost setup. Don't consider no_unit_alloc_regs. Add
1036 strict_class_subset_p setup.
1037 (setup_reg_class_intersect): Rename to
1038 setup_reg_class_intersect_union. Don't consider
1039 no_unit_alloc_regs. Add reg_class_union setup.
1040 (hard_reg_not_in_set_p): Move to ira-int.h.
1041 (setup_reg_subclasses): Use no_unit_alloc_regs instead of
1042 fixed_reg_set. Don't consider no_unit_alloc_regs.
1043 (important_class_nums): Fix element type.
1044 (setup_cover_classes): Use no_unit_alloc_regs instead of
1045 fixed_reg_set. Don't consider no_unit_alloc_regs.
1046 (setup_class_translate): Ditto.
1047 (reg_class_union): New variable.
1048 (init_register_move_cost, free_register_move_costs): New
1049 functions.
1050 (init_ira_once): Initialize register_move_cost,
1051 register_may_move_in_cost, register_may_move_out_cost. Move some
1052 code to init_ira.
1053 (init_ira): New function. Move some code from init_ira_once.
1054 Call free_register_move_costs and init_ira_costs.
1055 (calculate_allocation_cost): Check allocation of allocno hard reg
1056 cost vector.
1057 (basic_block_order_nums): New variable.
1058 (chain_freq_compare, chain_bb_compare, sort_insn_chain): New
1059 functions.
1060 (ira): Call sort_insn_chain.
1062 * ira-color.c (allocno_coalesced_p): New variable.
1063 (update_copy_costs): Use allocate_and_set_or_copy_costs.
1064 (assign_hard_reg): Clear and use
1065 processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
1066 Use allocate_and_copy_costs. Use allocno cover class cost if the
1067 hard register cost vector is not allocated.
1068 (get_coalesced_allocnos_best_class_and_freq): Use
1069 reg_class_intersect instead of reg_class_subintersect.
1070 (add_allocno_to_ordered_bucket): Use strict_class_subset_p.
1071 (push_allocno_to_stack): Clear and use
1072 processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
1073 (setup_allocno_left_conflicts_num): Don't setup
1074 ALLOCNO_UPDATED_HARD_REG_COSTS and
1075 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS. Clear and use
1076 processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
1077 (put_allocno_into_bucket): Don't setup
1078 ALLOCNO_UPDATED_HARD_REG_COSTS and
1079 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.
1080 (coalesced_allocno_conflict_p): Clear and use
1081 processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
1082 (coalesce_allocnos): Setup allocno_coalesced_p.
1083 (color_allocnos): Add processing reg class NO_REGS.
1084 (color_pass): Propagate assignment of spilled allocno not
1085 mentioned in the subregion for the mixed algorithm. Use
1086 allocate_and_set_costs.
1087 (move_spill_restore, mark_allocation_change): Check unallocated
1088 hard reg cost vectors.
1089 (setup_curr_costs): Don't setup ALLOCNO_UPDATED_HARD_REG_COSTS and
1090 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS. Use
1091 allocate_and_set_or_copy_costs.
1092 (mark_memory_move_deletion, allocno_reload_assign,
1093 pseudo_reg_compare, reassign_pseudos): New functions.
1094 (retry_ira_color): Remove.
1096 * ira-conflicts.c (add_insn_allocno_copies): Use
1097 allocate_and_set_costs.
1098 (allocno_conflict_p): Simplify the code.
1100 * ira-costs.c: Rename reg_class_subunion to reg_class_union
1101 everywhere.
1102 (cost_classes, cost_classes_num, cost_class_nums,
1103 max_struct_costs_size): New variables.
1104 (copy_cost): Use init_register_move_cost instead of
1105 init_move_cost.
1106 (record_reg_classes): Ditto. Use cost_classes and
1107 cost_classes_num instead of important_classes and
1108 important_classes_num. Use register_may_move_{in,out}_cost
1109 instead of may_move_{in,out}_cost. Check reg class intersection
1110 for alt_cost.
1111 (record_address_regs): Use init_register_move_cost instead of
1112 init_move_cost. Use cost_classes and cost_classes_num instead of
1113 important_classes and important_classes_num. Use
1114 register_may_move_in_cost instead of may_move_in_cost.
1115 (scan_one_insn): Use cost_classes_num instead of
1116 important_classes_num.
1117 (print_costs): Use cost_classes and cost_classes_num instead of
1118 important_classes and important_classes_num.
1119 (find_allocno_class_costs): Initialize cost_classes and
1120 cost_class_nums. Use cost_classes and cost_classes_num instead of
1121 important_classes and important_classes_num.
1122 (process_bb_node_for_hard_reg_moves): Use allocate_and_set_costs.
1123 (setup_allocno_cover_class_and_costs): Use cost_classes and
1124 cost_classes_num instead of important_classes and
1125 important_classes_num.
1126 (init_ira_costs_once): Move some code to init_ira_costs. Initiate
1127 cost_classes.
1128 (free_ira_costs: New function. Move some code from
1129 finish_ira_costs_once.
1130 (init_ira_costs): New function. Move some code from
1131 init_ira_costs_once. Use max_struct_costs_size instead of
1132 struct_costs_size. Call free_ira_costs. Allocate cost_classes.
1133 (finish_ira_costs_once): Move some code to finish_ira_costs. Call
1134 free_ira_costs.
1135 (ira_costs): Use max_struct_costs_size instead of
1136 struct_costs_size. Use allocate_and_set_costs.
1138 * ira-emit.c (modify_move_list): Remove allocation of hard reg
1139 cost vectors.
1141 * ira-lives.c (process_single_reg_class_operands): Add new
1142 parameter freq. Calculate costs basing on the frequency.
1143 (process_bb_node_lives): Pass the frequency to
1144 process_single_reg_class_operands.
1146 2007-12-17 Vladimir Makarov <vmakarov@redhat.com>
1148 * doc/invoke.texi (fira-algoirthm): Remove prioirity coloring.
1149 Make mixed the default.
1151 * flags.h (ira_algorithm): Remove IRA_ALGORITHM_PRIORITY.
1153 * ira-color.c (priority_coloring): Remove.
1154 (do_coloring): Don't call priority_coloring.
1156 * opts.c (common_handle_option): Remove priority coloring option.
1158 * toplev.c (flag_ira_algorithm): Assign IRA_ALGORITHM_MIXED.
1160 * ira-build.c (check_and_add_conflicts, ira_flattening): Increase
1161 threshold for internal_flag_ira_verbose.
1163 2007-12-17 Vladimir Makarov <vmakarov@redhat.com>
1165 * common.opt (fira-assign-after-call-split, fira-biased-coloring,
1166 fira-split-around-calls): Remove.
1167 (fdump-simple-rtl, fira-verbose): New options.
1168 (fira, fira-coalesce): Initiate by 0.
1170 * opts.c (common_handle_option): Process flag_ira_verbose.
1172 * flags.h (flag_ira_verbose): New external definition.
1174 * toplev.h (flag_ira_assign_after_call_split,
1175 flag_ira_biased_coloring, flag_ira_split_around_calls): Remove.
1177 * toplev.c (flag_ira_verbose): New external declaration.
1178 (finalize): Call finish_ira_once.
1180 * print-rtl.c (flag_simple): Rename to flag_dump_simple_rtl.
1182 * doc/invoke.texi (-fno-ira-assign-after-call-split,
1183 -fira-biased-coloring, -fno-ira-split-around-calls): Remove.
1184 (-fdump-simple-rtl, -fira-verbose): New options.
1186 * caller-save.c (insert_restore, insert_save): Use
1187 adjust_address_nv instead of adjust_address. Check the mode by
1188 reg_save_code.
1190 * ira-call.c: Remove file.
1192 * ira-lives.c: New file.
1194 * Makefile.in (ira-live.o): Add
1195 (ira-call.o): Remove.
1196 (IRA_INT_H): Add alloc-pool.h.
1198 * ira.h (finish_ira_once): New external definition.
1200 * ira-int.h (internal_flag_ira_verbose, alloc_pool allocno_pool,
1201 copy_pool, allocno_live_range_pool, ira_loop_tree_height,
1202 max_point, start_point_ranges, finish_point_ranges,
1203 prohibited_mode_move_regs, important_class_nums,
1204 ira_curr_regno_allocno_map, allocno_set_words): New external
1205 definitions.
1206 (loop_tree_node_t, allocno_live_range_t): New typedefs. Use them
1207 everywhere.
1208 (ira_loop_tree_node): Rename to loop_tree_node.
1209 (loop_tree_node): New member level.
1210 (allocno_live_range): New structure.
1211 (allocno): New members nrefs, live_ranges,
1212 total_conflict_hard_regs, conflict_allocnos_num,
1213 total_conflict_allocnos_num, mem_optimized_dest,
1214 mem_optimized_dest_p, total_no_stack_reg_p. Remove members
1215 conflict_allocno_vec_active_size and original_memory_cost. Rename
1216 member curr_hard_reg_costs to updated_hard_reg_costs.
1217 (ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM,
1218 ALLOCNO_TOTAL_CONFLICT_HARD_REGS, ALLOCNO_CONFLICT_ALLOCNOS_NUM,
1219 ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM, ALLOCNO_NREFS,
1220 ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
1221 ALLOCNO_TOTAL_NO_STACK_REG_P, ALLOCNO_LIVE_RANGES): New access
1222 macros.
1223 (ALLOCNO_CONFLICT_ALLOCNO_VEC_ACTIVE_SIZE,
1224 ALLOCNO_ORIGINAL_MEMORY_COST): Remove.
1225 (ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS): Rename to
1226 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.
1227 (allocno_copy): New member loop_tree_node.
1228 (INT_BITS, INT_TYPE, EXECUTE_IF_SET_IN_ALLOCNO_SET): Move from
1229 ira-conflicts.c.
1230 (SET_ALLOCNO_SET_BIT, CLEAR_ALLOCNO_SET_BIT,
1231 TEST_ALLOCNO_SET_BIT): New macros.
1232 (ira_reallocate, allocno_conflict_index, add_allocno_conflict,
1233 create_allocno_live_range, finish_allocno_live_range,
1234 add_allocno_copy_to_list, swap_allocno_copy_ends_if_necessary,
1235 remove_allocno_copy_from_list, add_allocno_copy, ira_flattening,
1236 finish_ira_costs_once, rebuild_start_finish_chains,
1237 print_live_range_list, debug_live_range_list,
1238 debug_allocno_live_ranges, debug_live_ranges,
1239 create_allocno_live_ranges, finish_allocno_live_ranges,
1240 allocno_conflict_p, loop_edge_freq): New external function
1241 definitions.
1242 (hard_reg_in_set_p, original_regno_call_crossed_p,
1243 ira_max_regno_before, ira_max_regno_call_before): Remove.
1244 (traverse_loop_tree): Add new parameter type.
1245 (create_copy): Ditto.
1246 (debug_conflicts, ira_emit, add_allocno_copy): Add parameter.
1247 (debug_ira_call_data, split_around_calls, get_around_calls_regno):
1248 Remove.
1250 * ira.c (setup_prohibited_mode_move_regs): New function.
1251 (internal_flag_ira_verbose, allocno_pool, copy_pool,
1252 allocno_live_range_pool, important_class_nums): New external
1253 variables.
1254 (IRA_NO_OBSTACK): Uncomment it.
1255 (ira_reallocate): New function.
1256 (setup_cover_classes): Set up important_class_nums.
1257 (finish_ira_once): New function.
1258 (prohibited_mode_move_regs,
1259 prohibited_mode_move_regs_initialized_p): New global variables.
1260 (setup_prohibited_mode_move_regs): New function.
1261 (setup_reg_renumber): Remove parameters.
1262 (setup_allocno_assignment_from_reg_renumber): Rename to
1263 setup_allocno_assignment_flags. Set up ALLOCNO_ASSIGNED_P.
1264 (calculate_allocation_cost): Use ALLOCNO_UPDATED_MEMORY_COST.
1265 (ira_max_regno_before, ira_max_regno_call_before): Remove.
1266 (ira): Set up internal_flag_ira_verbose. Call
1267 setup_prohibited_mode_move_regs. Create and destroy allocno,
1268 copy, and live range pools. Remove original_regno_call_crossed_p.
1269 Report major passes. Use argument for ira_emit. Call
1270 ira_flattening and df_analyze. Remove live range splitting around
1271 calls.
1273 * ira-build.c (setup_loop_tree_level, rebuild_regno_allocno_maps,
1274 expand_calls, compress_calls, allocno_conflict_index,
1275 add_to_allocno_conflict_vec, propagate_info_to_cap,
1276 copy_allocno_live_range, copy_allocno_live_range_list,
1277 finish_allocno, finish_copy,
1278 propagate_info_to_loop_tree_node_caps, merge_ranges,
1279 common_loop_tree_node_dominator, check_and_add_conflicts,
1280 add_conflict_with_underlying_allocnos, ira_flattening): New
1281 functions.
1282 (check_coalesced_allocnos): Remove.
1283 (ira_loop_tree_height): New external variable.
1284 (form_loop_tree): Call setup_loop_tree_level.
1285 (initiate_calls): Allocate a bit more. (create_allocno): Use
1286 pool_alloc. Set up ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM,
1287 ALLOCNO_TOTAL_CONFLICT_HARD_REGS, ALLOCNO_NREFS,
1288 ALLOCNO_TOTAL_NO_STACK_REG_P, ALLOCNO_MEM_OPTIMIZED_DEST,
1289 ALLOCNO_MEM_OPTIMIZED_DEST_P, ALLOCNO_UPDATED_MEMORY_COST, and
1290 ALLOCNO_LIVE_RANGES. Rename
1291 ALLOCNO_CONFLICT_ALLOCNO_VEC_ACTIVE_SIZE,
1292 ALLOCNO_CURR_HARD_REG_COSTS, and
1293 ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS to
1294 ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_UPDATED_HARD_REG_COSTS, and
1295 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.
1296 (add_allocno_conflict): Make it external. Use
1297 add_to_allocno_conflict_vec.
1298 (create_cap_allocno): Move part of code to propagate_info_to_cap.
1299 (finish_allocnos): Use finish_allocno.
1300 (add_allocno_copy_to_list, remove_allocno_copy_from_list,
1301 swap_allocno_copy_ends_if_necessary, add_allocno_copy): Move from
1302 ira-conflicts.c. Make them external.
1303 (create_copy): Use pool_alloc. Add parameter loop_tree_node.
1304 (finish_copies): Use finish_copy.
1305 (ira_curr_regno_allocno_map): New external variable.
1306 (traverse_loop_tree): Add parameter bb_first_p.
1307 (create_insn_allocnos): Update ALLOCNO_NREFS.
1308 (create_loop_tree_node_allocnos): Traverse loop tree nodes with
1309 BBs first. Update ALLOCNO_NREFS.
1310 (create_loop_tree_node_caps): Move part of code to
1311 propagate_info_to_loop_tree_node_cap.
1312 (regno_top_level_allocno_map): New global variable.
1313 (ira_build): Create caps before build conflicts. Call
1314 create_allocno_live_ranges. Propagate info to caps. Report
1315 statistics.
1316 (ira_destroy): Call finish_allocno_live_ranges.
1318 * ira-conflicts.c (set_allocno_live, clear_allocno_live,
1319 record_regno_conflict, mark_reg_store, mark_reg_clobber,
1320 mark_reg_conflicts, mark_reg_death): Remove.
1321 (add_insn_allocno_copies, add_copies): New functions.
1322 (add_allocno_copy_to_list, remove_allocno_copy_from_list,
1323 swap_allocno_copy_ends_if_necessary, add_allocno_copy): Remove.
1324 (add_allocno_copies): Rename to add_insn_allocno_copies. Use
1325 ira_curr_regno_allocno_map and add_insn_allocno_copies.
1326 (single_reg_class, single_reg_operand_class,
1327 process_single_reg_class_operands, process_bb_node_for_conflicts):
1328 Remove.
1329 (INT_BITS, INT_TYPE, EXECUTE_IF_SET_IN_ALLOCNO_SET): Move to
1330 ira-int.h.
1331 (allocnos_live_bitmap, SET_ALLOCNO_CONFLICT_ROW,
1332 CLEAR_ALLOCNO_CONFLICT_ROW, TEST_ALLOCNO_CONFLICT_ROW): Remove.
1333 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE, TEST_ALLOCNO_LIVE):
1334 Use {SET, CLEAR, TEST}_ALLOCNO_SET_BIT.
1335 (allocno_row_words, hard_regs_live, curr_bb_node,
1336 curr_regno_allocno_map, curr_reg_pressure): Remove.
1337 (CONFLICTP): Rename to CONFLICT_P.
1338 (regs_set): Remove.
1339 (propagate_allocno_info): Use ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1340 Set up ALLOCNO_CALLS_CROSSED_START.
1341 (allocno_conflict_p): New function.
1342 (allocno_reg_conflict_p): Use allocno_conflict_p.
1343 (build_allocno_conflict_vects): Divide original and propagated
1344 conflicts.
1345 (print_hard_reg_set): New function.
1346 (print_conflicts): Use print_hard_reg_set. Set up mark for the
1347 start of propagated conflicts.
1348 (debug_conflicts): Add parameter.
1349 (ira_build_conflicts): Call add_copies. Set up
1350 ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1352 * ira-costs.c (struct costs): Make cost allocated dynamically.
1353 (struct_costs_size, temp_cots, op_costs, this_op_costs): New
1354 variables.
1355 (costs): Rename to total_costs.
1356 (COSTS_OF_ALLOCNO): New macro.
1357 (curr_regno_allocno_map): Remove. Use ira_curr_regno_allocno_map
1358 instead.
1359 (record_reg_classes): Check NO_REGS in allocno_pref.
1360 (record_address_regs): Use COSTS_OF_ALLOCNO.
1361 (scan_one_insn): Ditto.
1362 (print_costs): Ditto.
1363 (find_allocno_class_costs): Ditto. Pass additional argument to
1364 traverse_loop_tree. Set up NO_REGS if memory is cheaper.
1365 (setup_allocno_cover_class_and_costs): Use
1366 ALLOCNO_UPDATED_MEMORY_COST instead of
1367 ALLOCNO_ORIGINAL_MEMORY_COST, ALLOCNO_UPDATED_HARD_REG_COSTS
1368 instead of ALLOCNO_CURR_HARD_REG_COSTS, and
1369 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS instead of
1370 ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS. Pass additional argument to
1371 traverse_loop_tree.
1372 (init_ira_costs_once): Allocate init_cost, op_costs,
1373 this_op_costs, temp_costs.
1374 (finish_ira_costs_once): New function.
1376 * ira-color.c: Use ALLOCNO_UPDATED_MEMORY_COST instead of
1377 ALLOCNO_ORIGINAL_MEMORY_COST, ALLOCNO_UPDATED_HARD_REG_COSTS
1378 instead of ALLOCNO_CURR_HARD_REG_COSTS, and
1379 ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS instead of
1380 ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS. Use
1381 ALLOCNO_TOTAL_CONFLICT_HARD_REGS instead of
1382 ALLOCNO_CONFLICT_HARD_REGS.
1383 (processed_allocno_bitmap): Rename into
1384 processed_coalesced_allocno_bitmap.
1385 (allocno_cost_compare_func): Use ALLOCNO_UPDATED_MEMORY_COST
1386 instead of ALLOCNO_MEMORY_COST.
1387 (assign_hard_reg): Remove biased coloring.
1388 (add_allocno_to_ordered_bucket): Check cover class first.
1389 (loop_edge_freq): Make it external.
1390 (setup_allocno_left_conflicts_num): Check that conflicting
1391 allocnos of one class.
1392 (allocno_conflict_p): Rename to coalesced_allocno_conflict_p.
1393 (color_pass): Check pressure in the loop (not in subloops) for
1394 mixed algorithm.
1395 (allocno_priorities): New variable.
1396 (start_allocno_priorities, finish_allocno_priorities): New
1397 functions.
1398 (allocno_priority_compare_func): Use allocno_priorities.
1399 (priority_coloring): Call start_allocno_priorities and
1400 finish_allocno_priorities.
1401 (do_coloring): Pass additional argument to traverse_loop_tree.
1403 * ira-emit.c (struct move): Add member insn.
1404 (create_move): Initialize member insn.
1405 (generate_edge_moves): Set up ALLOCNO_MEM_OPTIMIZED_DEST and
1406 ALLOCNO_MEM_OPTIMIZED_DEST_P.
1407 (change_loop): Check prohibited_mode_move_regs.
1408 (curr_jump_map, can_move_through_p): Remove.
1409 (unify_moves): Don't move through jump.
1410 (modify_move_list): Set up attributes for new allocno used for
1411 breaking dependency loops.
1412 (emit_move_list): Set up insn codes.
1413 (update_costs, add_range_and_copies_from_move_list,
1414 add_ranges_and_copies): New functions.
1415 (ira_emit): Add a parameter. Call add_ranges_and_copies.
1417 2007-10-09 Vladimir Makarov <vmakarov@redhat.com>
1419 * toplev.h (flag_ira_coalesce): New external variable.
1421 * ira-int.h (allocno): New members first_coalesced_allocno,
1422 next_coalesced_allocno.
1423 (ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO):
1424 New macros.
1425 (reg_class_subintersect): New external variable.
1427 * ira-color.c (processed_allocno_bitmap): New variable.
1428 (allocno_cost_compare_func, print_coalesced_allocno): New
1429 functions.
1430 (assign_hard_reg): Process coalesced allocnos.
1431 (get_coalesced_allocnos_best_class_and_freq): New function.
1432 (add_allocno_to_ordered_bucket): Use the function.
1433 (push_allocno_to_stack, push_allocnos_to_stack): Process coalesced
1434 allocnos.
1435 (remove_allocno_from_bucket_and_push, pop_allocnos_from_stack):
1436 Use print_coalesced_allocno.
1437 (setup_allocno_available_regs_num,
1438 setup_allocno_left_conflicts_num): Process coalesced allocnos.
1439 (copy_freq_compare_func, allocno_conflict_p, coalesce_allocnos):
1440 New functions.
1441 (color_allocnos): Allocate/free processed_allocno_bitmap. Call
1442 coalesce_allocnos.
1443 (priority_coloring): Allocate/free processed_allocno_bitmap.
1445 * ira-build.c (check_coalesced_allocnos): New function.
1446 (create_allocno): Initiate next_coalesced_allocno,
1447 first_coalesced_allocno.
1448 (create_cap_allocno): Check next_coalesced_allocno,
1449 first_coalesced_allocno.
1451 * common.opt (fira-coalesce): New option.
1453 * ira.c (setup_reg_class_intersect): New function.
1454 (reg_class_subintersect): New global variable.
1455 (init_ira_once): Call setup_reg_class_intersect.
1457 * doc/invoke.texi (-fira-coalescing): New option.
1459 2007-09-20 Vladimir Makarov <vmakarov@redhat.com>
1461 * ira-build.c (create_allocno): Initialize ALLOCNO_BEST_CLASS.
1463 * ira-color.c (add_allocno_to_ordered_bucket): Use
1464 ALLOCNO_BEST_CLASS.
1466 * ira-costs.c (setup_allocno_cover_class_and_costs): Initialize
1467 ALLOCNO_BEST_CLASS.
1469 * ira-int.h (allocno): New member best_class.
1470 (ALLOCNO_BEST_CLASS): New macro.
1472 2007-09-19 Vladimir Makarov <vmakarov@redhat.com>
1474 * ira-int.h (allocno): Remove calls_crosed. Add
1475 calls_crossed_start.
1476 (ALLOCNO_CALLS_CROSSED): Remove.
1477 (ALLOCNO_CALLS_CROSSED_START): Add.
1478 (build_df): Remove.
1479 (regno_calls, add_regno_call): New.
1481 * ira-build.c (initiate_calls, finish_calls, add_regno_call): New
1482 functions.
1483 (regno_calls, regno_calls_num): New globals.
1484 (build_df): Remove.
1485 (add_loop_to_tree): Use loop_outer.
1486 (form_loop_tree): Ditto.
1487 (initiate_allocnos, create_cap_allocno): Remove
1488 ALLOCNO_CALLS_CROSSED. Add ALLOCNO_CALLS_CROSSED_START.
1489 (finish_allocnos): Remove ALLOCNO_CALLS_CROSSED.
1490 (create_bb_allocnos, create_loop_allocnos): Use DF_LR_{IN,OUT}
1491 instead of DF_UPWARD_LIVE_{IN,OUT}.
1492 (ira_build): Remove adding df problems and call of
1493 free_dominance_info. Call initiate_calls.
1494 (ira_destroy): Add free_dominance_info and finish_calls. Remove
1495 df_finish.
1497 * ira-emit.c (change_regs): Return the result.
1498 (generate_edge_moves): Use DF_LR_{IN,OUT} instead of
1499 DF_UPWARD_LIVE_{IN,OUT}.
1500 (change_loop): Call df_insn_rescan and df_note_rescan if there is
1501 a change.
1502 (can_move_through_p): Use hard_reg_set_equal_p instead of
1503 GO_IF_HARD_REG_EQUAL.
1505 * ira-costs.c (copy_cost, record_reg_classes,
1506 record_address_regs): Call init_move_cost if it is necessary.
1507 (tune_allocno_costs_and_cover_classes): Use regno_calls and
1508 ALLOCNO_CALLS_CROSSED_START instead of ALLOCNO_CALLS_CROSSED.
1510 * ira-conflicts.c (n_regs_set): Remove.
1511 (regs_set): Make it a vector.
1512 (mark_reg_store, mark_reg_clobber): Change 2nd parameter type.
1513 (process_bb_node_for_conflicts): Use DF_LR_IN instead of
1514 DF_UPWARD_LIVE_IN. Call add_regno_call. Initialize
1515 ALLOCNO_CALLS_CROSSED_START. Remove ALLOCNO_CALLS_CROSSED.
1516 (build_conflict_bit_table): Initialize and finalize regs_set.
1517 (propagate_allocno_info): Remove ALLOCNO_CALLS_CROSSED.
1518 Initialzie ALLOCNO_CALLS_CROSSED_START.
1520 * ira-color.c (setup_allocno_available_regs_num,
1521 setup_allocno_left_conflicts_num): New functions.
1522 (update_allocno_avaialable_regs): Remove.
1523 (sorted_allocnos, allocno_stack_varray): Move upper.
1524 (assign_hard_reg): Use hard_reg_set_subset_p instead of
1525 GO_IF_HARD_REG_SUBSET.
1526 (loop_edge_freq): Use DF_LR_{IN,OUT} instead of
1527 DF_UPWARD_LIVE_{IN,OUT}.
1528 (put_allocno_into_bucket): Call setup_allocno_available_regs_num
1529 and setup_allocno_left_conflicts_num.
1530 (print_loop_title): Use loop_depth.
1531 (allocno_priority_compare_func): Remove REG_N_REFS and
1532 REG_LIVE_LENGTH.
1533 (retry_ira_color): Use SET_REGNO. Use ALLOCNO_CALLS_CROSSED_NUM
1534 instead of ALLOCNO_CALLS_CROSSED.
1535 (collect_pseudo_call_clobbered_regs): Use regno_calls and
1536 ALLOCNO_CALLS_CROSSED_START instead of ALLOCNO_CALLS_CROSSED.
1538 * ira-call.c (init_ira_call_data): Add argument to
1539 post_order_compute.
1540 (n_regs_set): Remove.
1541 (regs_set): Make it a vector.
1542 (mark_reg_store, mark_reg_clobber): Change 2nd parameter type.
1543 (mark_referenced_regs): Check null x.
1544 (put_save_restore_and_calculate_local_info): Initialize and
1545 finalize regs_set. Use DF_LR_{IN,OUT} instead of
1546 DF_UPWARD_LIVE_{IN,OUT}. Use loop_outer.
1547 (do_init_nothing): Remove.
1548 (save_trans_fun, save_con_fun_0, restore_trans_fun,
1549 restore_con_fun_0): Remove 1st parameter.
1550 (save_con_fun_n, restore_con_fun_n): Ditto. Use
1551 df_simple_dataflow instead of df_analyze_problem.
1552 (put_save_restore): Use DF_LR_IN instead of DF_UPWARD_LIVE_IN.
1553 Call mark_all_referenced_regs for all insn. Use bitmap progress.
1554 (get_move_insn): New function.
1555 (put_save_restore_and_calculate_local_info, put_save_restore): Use
1556 the function.
1558 * ira.c (insn_contains_asm_1, insn_contains_asm,
1559 compute_regs_asm_clobbered, expand_reg_info): New functions.
1560 (setup_class_subset_and_move_costs): Use hard_reg_set_subset_p
1561 instead of GO_IF_HARD_REG_SUBSET.
1562 (setup_reg_subclasses, setup_class_translate): Ditto. Use
1563 hard_reg_set_equal_p instead of GO_IF_HARD_REG_EQUAL.
1564 (setup_eliminable_regset): Call compute_regs_asm_clobbered. Use
1565 df_set_regs_ever_live instead of regs_ever_live.
1566 (setup_reg_renumber): Check reg_equiv_const and
1567 reg_equiv_invariant_p.
1568 (ira): Remove no_new_pseudos. Add df-problems and analyze. Call
1569 regstat_init_n_sets_and_refs and regstat_compute_ri. Remove
1570 delete_unreachable_blocks. Use expand_reg_info. Move
1571 setup_preferred_alternate_classes upper. Remove life_analysis.
1572 Prepare df-insfrastructure for reload.
1574 * regclass.c (setup_reg_classes): Don't use reg_pref_buffer.
1576 * function.[ch] (get_call_invalidated_used_regs): Change 1st
1577 parameter type.
1579 * gengtype.c (main): Add HARD_REG_SET.
1581 * alias.c (value_addr_p): New function.
1582 (nonoverlapping_memrefs_p): Use it.
1584 * caller-save.c (init_caller_save): Use DF_LR_TOP for IRA instead
1585 of global_live_at_start.
1587 2007-05-04 Vladimir Makarov <vmakarov@redhat.com>
1589 * ira-conflicts.c: Change pseudo to allocno.
1590 * ira-color.c: Ditto.
1591 * ira-emit.c: Ditto.
1592 * ira-build.c: Ditto.
1593 * ira.c: Ditto.
1594 (important_classes_num, important_classes): New variables.
1595 (setup_cover_classes): Set up the variable values.
1596 * ira-costs.c: Ditto.
1597 (record_reg_classes, record_address_regs, scan_one_insn,
1598 find_pseudo_class_costs): Process only important classes.
1599 * ira-call.c: Ditto. Add comments about placement optimization.
1600 * ira-int.h: Ditto.
1601 (allocno) Use one bit field for boolean members.
1602 (important_classes_num, important_classes): New external
1603 definitions.
1605 2007-03-16 Vladimir Makarov <vmakarov@redhat.com>
1607 * flags.h (ira_algorithm): Add IRA_ALGORITHM_MIXED.
1609 * opts.c (common_handle_option): Set up IRA_ALGORITHM_MIXED from
1610 the option argument.
1612 * common.opt (fira-assign-after-call-split, fira-propagate-cost,
1613 fira-split-around-calls): New options.
1614 (fira-ipra): Switch off by default.
1616 * doc/invoke.texi (-fira-algorithm): Add mixed algorithm.
1617 (-fno-ira-ipra): Rename to -fira-ipra.
1618 (-fno-ira-assign-after-call-split, -fira-propagate-cost,
1619 -fno-ira-split-around-calls): Add new options.
1621 * ira-conflicts.c (curr_reg_pressure): New variable.
1622 (set_pseudo_live, clear_pseudo_live, mark_reg_store,
1623 mark_reg_death): Update reg pressure.
1624 (add_pseudo_copies): Decrease cost for copy with dead pseudo.
1625 (process_bb_node_for_conflicts): Propagate reg pressure.
1626 (build_conflict_bit_table): Call process_bb_node_for_conflicts in
1627 preorder.
1628 (ira_build_conflicts): Add new coloring algorithm.
1629 (ira_build_conflicts): Add flag_ira_split_around_calls.
1631 * ira-emit.c (change_loop): Print allocation on the region
1632 borders. Use pseudo_cap_member instead of regno.
1633 (modify_move_list): Add parameter to create pseudo.
1634 (ira_emit): Use pseudo_cap_member instead of regno.
1636 * ira-build.c (create_loop_tree_nodes): Set up initial reg
1637 pressure.
1638 (create_pseudo): Add parameter. Use the parameter value instead
1639 of regno.
1640 (print_expanded_pseudo): Use pseudo_cap_member instead of regno.
1641 (create_cap_pseudo, create_insn_pseudos, create_bb_pseudos,
1642 create_loop_pseudos): Add argument to create_pseudo call.
1643 (create_pseudos, ira_build): Process IRA_ALGORITHM_MIXED.
1644 (create_loop_tree_node_caps): Create cap pseudo for all pseudos
1645 not having father pseudo.
1647 * final.c (rest_of_handle_final): Process INCOMING_REGNO.
1649 * toplev.h (flag_ira_assign_after_call_split,
1650 flag_ira_propagate_cost, flag_ira_split_around_calls): New flags.
1652 * caller-save.c (save_call_clobbered_regs): Move declaration
1653 this_insn_sets to the function start.
1655 * ira-int.h (ira_loop_tree_node): Add reg_pressure.
1656 (pseudo): More comments for regno and cap_member
1657 (original_regno_call_crossed_p, ira_max_regno_before,
1658 ira_max_regno_call_before): New external variables.
1659 (create_pseudo): Add parameter.
1660 (reassign_conflict_pseudos, debug_ira_call_data,
1661 split_around_calls, get_around_calls_regno): New function
1662 prototypes.
1664 * ira-color.c (assign_hard_reg): Set best_hard_regno and
1665 conflict_regs earlier. Check register availability earlier.
1666 Ignore conflict and copy cost for PSEUDO_MAY_BE_SPILLED_P.
1667 (calculate_pseudo_spill_cost): Use pseudo_cap instead of regno.
1668 Check father pseudo instead of subloop pseudos.
1669 (pop_pseudos_from_stack): Set up PSEUDO_ASSIGNED_P for NO_REGS
1670 pseudo.
1671 (print_loop_title): Print reg pressure.
1672 (color_pass): Use PSEUDO_CAP_MEMBER instead of regno. Add mixed
1673 coloring algorithm.
1674 (move_spill_restore): Use PSEUDO_CAP_MEMBER instead of regno. Use
1675 subloop pseudos instead of father pseudo for cost calculation.
1676 (setup_curr_costs, reassign_conflict_pseudos): New functions.
1677 (retry_ira_color): Don't allocate call used registers when
1678 flag_caller_saves or flag_ira_split_around_calls. Call
1679 setup_curr_cost. Print about spilling pseudo split around calls.
1680 (reuse_stack_slot): Choose the slot with minimal memory-memory
1681 costs.
1683 * ira.c (setup_reg_renumber): Add 2 parameters. Use cap_number
1684 instead of regno. Initialize caller_save_needed. Make assertion
1685 stricter.
1686 (setup_pseudo_assignment_from_reg_renumber): New function.
1687 (calculate_allocation_cost): Add assertion.
1688 (print_redundant_copies): Use cap_number instead of regno.
1689 (original_regno_call_crossed_p, ira_max_regno_before,
1690 ira_max_regno_call_before): New global variables.
1691 (ira): Process IRA_ALGORITHM_MIXED. Set up
1692 ira_max_regno_call_before and ira_max_regno_before. New arguments
1693 for setup_reg_renumber. Reassign if pseudo changed its class.
1694 Split pseudos around the call if necessary. Reassign if a pseudo
1695 is split.
1697 * ira.h: New year for Copyright.
1699 * ira-costs.c (reg_pref): Rename to pseudo_pref.
1700 (reg_pref_buffer): rename to pseudo_pref_buffer.
1701 (find_pseudo_class_costs): Initialize best_cost and best_class.
1702 Process IRA_ALGORITHM_MIXED. Find best cover class for regno.
1703 (process_bb_node_for_hard_reg_moves): Process IRA_ALGORITHM_MIXED.
1705 * Makefile.in (ira-call.o): Add new file.
1707 * reload1.c (calculate_needs_all_insns): Remove unnecessary
1708 memory-memory move.
1710 * ira-call.c: New file.
1712 2007-02-09 Vladimir Makarov <vmakarov@redhat.com>
1714 * common.opt (fipra): Rename to fira-ipra. Make it default.
1715 (fira-move-spills, fira-share-save-slots, fira-share-spill-slots):
1716 New.
1717 * toplev.h (flag_ipra): Rename to flag_ira_ipra.
1718 (flag_ira_move_spills, flag_ira_share_save_slots,
1719 flag_ira_share_spill_slots): New external definitions.
1720 * doc/invoke.texi (-fipra): Rename to -fno-ira-ipra.
1721 (-fno-ira-move-spills, -fno-ira-share-save-slots,
1722 -fno-ira-share-spill-slots): New options.
1723 * function.c (get_call_invalidated_used_regs): Rename flag_ipra to
1724 flag_ira_ipra.
1725 * ira-costs.c (tune_pseudo_costs_and_cover_classes): Ditto.
1726 * caller-save.c (setup_save_areas): Use flag_ira_share_save_slots.
1727 Rename flag_ipra to flag_ira_ipra.
1728 (flag_ira_share_save_slots): Use flag_ira_move_spills.
1729 * ira-color.c (assign_hard_reg): Skip pseudos with different cover
1730 class.
1731 (reuse_stack_slot): Use flag_ira_share_spill_slots.
1732 * config/arm/arm.h (IRA_COVER_CLASSES): New macro.
1734 2007-02-31 Vladimir Makarov <vmakarov@redhat.com>
1736 * reload.h (debug_save_data): New definition.
1738 * caller-save.c (struct bb_info): New.
1739 (BB_INFO, BB_INFO_BY_INDEX): New macros.
1740 (calculate_local_save_info, set_up_bb_rts_numbers, rpost_cmp,
1741 calculate_save_in_out, calculate_save_here,
1742 make_global_save_analysis, print_hard_reg_set_and_mode,
1743 print_hard_reg_set, print_save_data, debug_save_data,
1744 set_hard_reg_saved): New functions.
1745 (save_call_clobbered_regs): Make global save analysis and use it
1746 to put save/restore code.
1747 (insert_one_insn): Check CODE_LABEL.
1749 2007-01-19 Vladimir Makarov <vmakarov@redhat.com>
1751 * toplev.h (flag_ipra): New external definition.
1753 * common.opt (fipra): New option.
1755 * doc/invoke.texi (-fipra); Document the option.
1757 * cgraph.h (cgraph_node): New member function_used_regs.
1759 * cgraph.c (cgraph_create_node): Initialize function_used_regs.
1761 * final.c (update_regs_ever_live): New function.
1762 (rest_of_handle_final): Set up function_used_regs and
1763 call_used_regs.
1765 * ira-build.c (ira_build): Clear function call_used_regs.
1767 * function.h: Add hard-reg-set.h header.
1768 (emit_status): New member call_used_regs.
1769 (get_call_invalidated_used_regs): New definition.
1771 * function.c (get_call, get_call_invalidated_used_regs): New
1772 functions.
1774 * Makefile.in (FUNCTION_H): Add hard-reg-set.h.
1775 (caller-save.o): Add dependence on output.h and ira.h
1777 * regrename.c (copyprop_hardreg_forward_1): Use function
1778 get_call_invalidated_used_regs.
1780 * ira-conflicts.c (process_bb_node_for_conflicts): Ditto.
1782 * postreload-gcse.c (record_opr_changes,
1783 reg_set_between_after_reload_p, reg_used_between_after_reload_p):
1784 Ditto.
1786 * postreload.c (reload_combine, reload_cse_move2add): Ditto.
1788 * rtlanal.c (reg_set_between_p): Ditto.
1790 * flow.c (propagate_one_insn): Ditto.
1792 * df-scan.c (df_insn_refs_record): Ditto.
1794 * gcse.c (compute_hash_table_work, compute_store_table): Ditto.
1796 * cselib.c (cselib_process_insn): Ditto.
1798 * loop-iv.c (simplify_using_assignment): Ditto.
1800 * sched-deps.c (sched_analyze): Ditto.
1802 * combine.c (record_dead_and_set_regs): Ditto.
1804 * resource.c (mark_set_resources, mark_set_resources): Ditto.
1806 * var-tracking.c (var-tracking.c): Ditto.
1808 * reload1.c (reload): Ditto.
1810 * cse.c (invalidate_for_call): Ditto. Add parameter.
1811 (cse_insn): Pass the parameter.
1813 * ira.h (try_to_migrate): Remove the definition.
1814 (collect_pseudo_call_clobbered_regs): New external definition.
1816 * ira-color.c (collect_pseudo_call_clobbered_regs): New function.
1818 * ira-costs.c (tune_pseudo_costs_and_cover_classes): Add cost
1819 calculation when IPRA is used.
1821 * caller-save.c: Include headers output.h and ira.h.
1822 (saved_hard_reg): New structure.
1823 (hard_reg_map, hard_reg_map, all_saved_regs): New variables.
1824 (all_saved_regs, new_saved_hard_reg, finish_saved_hard_regs,
1825 saved_hard_reg_compare_func): New functions.
1826 (setup_save_areas): Add code for sharing stack slots.
1827 (save_call_clobbered_regs): Use function
1828 get_call_invalidated_used_regs.
1830 2007-01-12 Vladimir Makarov <vmakarov@redhat.com>
1832 * doc/tm.texi (IRA_HARD_REGNO_ADD_COST_MULTIPLIER): New macro.
1834 * ira-conflicts.c (add_pseudo_copies): Add copy between output and
1835 died operand pseudos.
1837 * ira.c (setup_cover_classes, setup_class_translate): Define and
1838 call only when IRA_COVER_CLASSES is defined.
1839 (no_alloc_regs): Rename to no_unit_alloc_regs.
1840 (setup_eliminable_regset): Set up no_alloc_regs.
1842 * ira-costs.c (tune_pseudo_costs_and_cover_classes): Modify cost
1843 if IRA_HARD_REGNO_ADD_COST_MULTIPLIER is defined.
1845 * config/s390/s390.h (IRA_COVER_CLASSES,
1846 IRA_HARD_REGNO_ADD_COST_MULTIPLIER(regno)): Define.
1848 2006-12-22 Vladimir Makarov <vmakarov@redhat.com>
1850 * rtl.h (setup_reg_classes): New function prototype.
1852 * regclass.c (setup_reg_classes): New function.
1854 * global.c (global_alloc): Dump information about register
1855 assigning.
1857 * ira-int.h (ira_build): Change prototype signature.
1859 * ira-color.c (pseudo_compare_func): Rename to
1860 pseudo_priority_compare_func.
1861 (priority_coloring): Dump information about register
1862 assigning.
1864 * ira-build.c (ira_build): Return true if we have loops for the
1865 allocation.
1867 * ira.c (setup_preferred_alternate_classes): New function.
1868 (ira): Use it instead of regclass. Rebuild only if we have loops.
1870 2006-12-15 Vladimir Makarov <vmakarov@redhat.com>
1872 * ira.h, ira-int.h, ira.c, ira-build.c, ira-costs.c
1873 ira-conflicts.c, ira-color.c, ira-emit.c: New files.
1875 * flags.h (ira_algorithm): New enumeration.
1876 (flag_ira_algorithm): New external variable declaration.
1878 * tree-pass.h (pass_ira): New external variable declaration.
1880 * toplev.c (ira.h): New include.
1881 (flag_ira_algorithm): New global variable.
1882 (backend_init): Call init_ira_once.
1884 * toplev.h (flag_ira, flag_ira_biased_coloring): New external
1885 variable declarations.
1887 * regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
1888 may_move_out_cost): New external variable declarations.
1890 * caller-save.c (no_caller_save_reg_set): New global variable.
1891 (init_caller_save): Set up no_caller_save_reg_set.
1893 * global.c (eliminable_regset): Make it external.
1894 (gate_handle_global_alloc): New function.
1895 (pass_global_alloc): Add the gate function.
1897 * opts.c (decode_options): Print the warning for -fira.
1898 (common_handle_option): Process -fira-algorithm option.
1900 * timevar.def (TV_IRA): New pass.
1902 * hard-reg-set.h (no_caller_save_reg_set): New external variable
1903 declaration.
1905 * regmove.c (regmove_optimize): Don't do replacement of output
1906 operands by input operands.
1907 (rest_of_handle_regmove): Don't do CFG cleanup for IRA.
1909 * local-alloc.c (update_equiv_regs): Make it external. Return
1910 true if jump label rebuilding should be done.
1911 (gate_handle_local_alloc): New function.
1912 (pass_local_alloc): Add the gate function.
1914 * alias.c (stack_addr_p): New function.
1915 (nonoverlapping_memrefs_p): Add code for IRA.
1917 * common.opt (fira, fira-algorithm, fira-biased-coloring): New
1918 options.
1920 * regclass.c (contains_reg_of_mode, move_cost, may_move_in_cost,
1921 may_move_out_cost): Make the variables external.
1923 * rtl.h (eliminable_regset): New external variable declaration.
1924 (update_equiv_regs): New external function definition.
1926 * Makefile.in (IRA_INT_H): New definition.
1927 (OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
1928 ira-conflicts.o, ira-color.o, and ira-emit.o.
1929 (reload1.o, toplev.o): Add dependence on ira.h.
1930 (ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
1931 ira-emit.o): New entries.
1933 * passes.c (pass_ira): New pass.
1935 * reload1.c (alter_reg): Add a new parameter.
1936 (pseudo_reg_compare): New function.
1937 (reload): Sort pseudos for IRA. Call alter_reg with the
1938 additional parameter.
1939 (count_spilled_pseudo): New variable freq. Use it.
1940 (alter_reg): Add code for IRA.
1941 (eliminate_regs_1, finish_spills, emit_input_reload_insns,
1942 delete_output_reload): Use additional parameter for alter_reg.
1943 (finish_spills, emit_input_reload_insns, delete_output_reload):
1944 Call mark_allocation_change.
1945 (finish_spills): Call retry_ira_color.
1947 * doc/invoke.texi: Describe new options -fira,
1948 -fira-biased-coloring, and -fira-algorithm.
1950 * doc/passes.texi: Decribe IRA.
1952 * doc/tm.texi: Decribe macro IRA_COVER_CLASSES.
1954 * config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
1956 * config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
1958 * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
1960 * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
1962 Richard Henderson <rth@redhat.com>
1964 * tree-pass.h (pass_lower_subreg): New external definition.
1965 * toplev.h (flag_lower_subreg): New external definition.
1966 * rtl.def (CONCATN): New rtl expression.
1967 * dwarf2out.c (concatn_loc_descriptor): New function.
1968 (loc_descriptor): Process CONCATN.
1969 * timevar.def (TV_LOWER_SUBREG): New definition.
1970 * emit-rtl.c (gen_reg_rtx_offset): New function.
1971 (gen_lowpart_common): Process CONCATN.
1972 * simplify-rtx.c (simplify_subreg): Process CONCATN.
1973 * common.opt (flower-subreg): New options.
1974 * rtl.h (gen_reg_rtx_offset): New external definition.
1975 * Makefile.in (OBJS-common): Add lower-subreg.o.
1976 (lower-subreg.o): New entry.
1977 * passes.c (pass_lower_subreg): Add new pass.
1978 * lower-subreg.c: New file.
1980 2008-03-28 Rafael Espindola <espindola@google.com>
1982 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
1983 (tree_binary_nonnegative_warnv_p): Make it public.
1984 (tree_single_nonnegative_warnv_p): Make it public.
1985 (tree_invalid_nonnegative_warnv_p): Make it public.
1986 (tree_unary_nonzero_warnv_p): Make it public.
1987 (tree_binary_nonzero_warnv_p): Make it public
1988 (tree_single_nonzero_warnv_p): Make it public.
1989 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
1990 (extract_range_from_binary_expr): Split the expr argument.
1991 (extract_range_from_unary_expr): Split the expr argument.
1992 (extract_range_from_comparison): Split the expr argument.
1993 (extract_range_from_expr): Use the new aux functions.
1994 (vrp_evaluate_conditional_warnv): Use
1995 vrp_evaluate_conditional_warnv_with_ops.
1996 * tree.h (tree_unary_nonzero_warnv_p): Declare.
1997 (tree_binary_nonzero_warnv_p): Declare.
1998 (tree_single_nonzero_warnv_p): Declare.
1999 (tree_expr_nonzero_warnv_p): Declare.
2000 (tree_unary_nonnegative_warnv_p): Declare.
2001 (tree_binary_nonnegative_warnv_p): Declare.
2002 (tree_single_nonnegative_warnv_p): Declare.
2003 (tree_invalid_nonnegative_warnv_p): Declare.
2005 2008-03-28 Richard Guenther <rguenther@suse.de>
2007 PR tree-optimization/30317
2008 PR tree-optimization/30911
2009 PR tree-optimization/34793
2010 * tree-vrp.c (set_and_canonicalize_value_range): New function.
2011 (struct assert_locus_d): New member EXPR.
2012 (register_new_assert_for): Add EXPR parameter to support
2013 ASSERT_EXPR <name, expr OP limit>.
2014 (register_edge_assert_for_1): Adjust callers.
2015 (find_assert_locations): Likewise.
2016 (process_assert_insertions_for): Build condition from
2017 expression.
2018 (extract_range_from_assert): Handle ASSERT_EXPRs
2019 of the form ASSERT_EXPR <name, expr OP limit>.
2020 (register_edge_assert_for_2): New helper registering
2021 asserts for comparisons. Recognize range tests of the form
2022 (unsigned)i - CST1 OP CST2.
2023 (register_edge_assert_for_1): Use it.
2024 (register_edge_assert_for): Likewise.
2025 (needs_overflow_infinity): Integer sub-types
2026 do not need overflow infinities.
2027 (vrp_val_is_max): The extreme values of integer sub-types
2028 are those of the base type.
2029 (vrp_val_is_min): Likewise.
2030 * tree.def (ASSERT_EXPR): Document extra allowed conditional
2031 expressions.
2033 2008-03-28 Nick Clifton <nickc@redhat.com>
2035 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
2036 Return GENERAL_REGS for stack adjustment reloads.
2038 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2040 PR target/31334
2041 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
2042 const_vector when all the vectors are constant.
2044 2008-03-27 Bob Wilson <bob.wilson@acm.org>
2046 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
2047 comparisons.
2048 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
2049 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
2050 (scc_sf): New.
2051 (s<code>_sf): Use new scc_sf attribute for opcode names.
2053 2008-03-27 Tom Tromey <tromey@redhat.com>
2055 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
2056 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
2057 config/spu/t-spu-elf, config/i386/t-interix,
2058 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
2059 config/i386/x-darwin, config/i386/x-mingw32,
2060 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
2061 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
2062 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
2063 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
2064 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
2065 config/rs6000/x-darwin, config/rs6000/t-rs6000,
2066 config/score/t-score-elf, config/arm/t-strongarm-pe,
2067 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
2068 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
2069 Revert automatic dependency patch.
2071 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
2073 PR target/35657
2074 * config/i386/i386.c (ix86_function_arg_boundary): Align
2075 decimal floating point to its natural boundary.
2077 2008-03-27 Richard Guenther <rguenther@suse.de>
2079 PR middle-end/35716
2080 * fold-const.c (fold_comparison): Restrict distinct decl
2081 comparison folding to VAR_DECLs and PARM_DECLs. Do not
2082 solely rely on operand_equal_p.
2084 2008-03-27 Richard Guenther <rguenther@suse.de>
2086 PR c/32511
2087 * c-common.c (handle_weak_attribute): Reject combination of
2088 weak and inline.
2090 2008-03-27 Richard Guenther <rguenther@suse.de>
2092 PR tree-optimization/32810
2093 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
2094 conversions from DECL_INITIAL.
2095 (fold_const_aggregate_ref): Likewise from constructor elements.
2097 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
2099 * tree-affine.h (aff_combination_expand): Declare.
2100 (get_inner_reference_aff): Likewise.
2101 * tree-affine.c (aff_combination_expand): Split out from
2102 tree_to_aff_combination_expand.
2103 (get_inner_reference_aff): New function.
2104 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
2105 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
2106 (struct lim_aux_data): sm_done field removed.
2107 (mem_ref_loc_p, mem_ref_locs_p): New types.
2108 (struct mem_ref): Added id, stored, accesses_in_loop,
2109 indep_loop, dep_loop, indep_ref, dep_ref fields.
2110 Removed is_stored, locs and next fields.
2111 (memory_accesses): New variable.
2112 (movement_possibility): Do not allow moving statements
2113 that store to memory.
2114 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
2115 New functions.
2116 (determine_max_movement): For statements with memory references,
2117 find the outermost loop in that the reference is independent.
2118 (move_computations_stmt): Mark the virtual operands for
2119 renaming.
2120 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
2121 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
2122 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
2123 add_vop_ref_mapping, create_vop_ref_mapping_loop,
2124 create_vop_ref_mapping, analyze_memory_references,
2125 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
2126 get_all_locs_in_loop, ref_always_accessed_p,
2127 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
2128 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
2129 store_motion_loop, store_motion): New functions.
2130 (struct vop_to_refs_elt): New type.
2131 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
2132 memref_hash, memref_eq, hoist_memory_references): Rewritten.
2133 (schedule_sm): Replaced by...
2134 (execute_sm): ... this.
2135 (determine_lsm_ref, hoist_memory_references,
2136 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
2137 find_more_ref_vops, free_mem_ref, free_mem_refs,
2138 determine_lsm_loop, determine_lsm): Removed.
2139 (tree_ssa_lim_finalize): Free data structures used by store
2140 motion.
2141 (tree_ssa_lim): Call analyze_memory_references. Use
2142 store_motion instead of determine_lsm.
2144 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
2146 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
2147 rename tmake_file to m68hc11/t-m68hc11.
2148 (mcore): Set inhibit_libc to true.
2149 * config.host (alpha*-dec-*vms*): Set extra_programs.
2150 (interix3*): Don't use host_xmake_file.
2151 * configure.ac: Let config.gcc override inhibit_libc.
2152 * configure: Regenerate.
2154 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
2155 * config/t-openbsd-thread: Remove commented out lines.
2157 * config/x-interix: Remove.
2159 * config/m68hc11/t-m68hc11-gas: Rename to...
2160 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
2162 * config/mcore/t-mcore: Remove T_CFLAGS.
2163 * config/mcore/t-mcore-pe: Likewise.
2165 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
2167 * configure.ac: Replace custom __GNU_SOURCE test with
2168 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
2169 * aclocal.m4: Regenerate.
2170 * configure: Regenerate.
2171 * config.in: Regenerate.
2173 2008-03-27 Richard Guenther <rguenther@suse.de>
2175 * fold-const.c (target.h): Include.
2176 (fold_comparison): Fold comparison of addresses of decls
2177 that bind locally or of constants. Consolidate address folding code.
2178 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
2179 results from fold_binary_to_constant.
2180 (compare_values_warnv): Likewise.
2182 2008-03-27 Andrew Pinski <pinskia@gmail.com>
2184 PR middle-end/35429
2185 * fold-const.c (fold_truthop): Check for integeral types when folding
2186 a == 0 && b == 0 and a != 0 || b != 0 .
2188 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
2190 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
2192 2008-03-26 Andreas Schwab <schwab@suse.de>
2194 * doc/invoke.texi: Fix use of @item vs. @itemx.
2196 2008-03-26 Tom Tromey <tromey@redhat.com>
2198 * Makefile.in (build/gensupport.o, build/print-rtl.o,
2199 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
2200 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
2201 build/gencodes.o, build/genconditions.o, build/genconfig.o,
2202 build/genconstants.o, build/genemit.o, build/genextract.o,
2203 build/genflags.o, build/genmddeps.o, build/genopinit.o,
2204 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
2205 options.h.
2207 2008-03-26 Richard Guenther <rguenther@suse.de>
2209 Revert
2210 2008-03-26 Richard Guenther <rguenther@suse.de>
2212 * fold-const.c (target.h): Include.
2213 (fold_comparison): Fold comparison of addresses of two decls
2214 that bind locally. Consolidate address folding code.
2216 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2218 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
2219 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
2220 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
2221 dconstsqrt2, dconstthird, dconste and/or dconst10.
2222 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
2223 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
2224 dconstsqrt2, dconste): Delete.
2225 (init_emit_once): Likewise. Simplify initializing dconstm1.
2226 Constify variable.
2227 * real.c (get_real_const): New.
2228 * real.h (dconst3, dconst10, dconstm2, dconstthird,
2229 dconstsqrt2, dconste): Delete.
2230 (real_value_const, get_real_const): New.
2232 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
2234 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
2236 * config/i386/i386.c (ix86_function_arg_boundary): Check
2237 BIGGEST_ALIGNMENT instead of 128.
2238 (setup_incoming_varargs_64): Likewise.
2240 2008-03-26 Tom Tromey <tromey@redhat.com>
2242 * Makefile.in (DEPFILES): Add missing '/'.
2244 2008-03-26 Richard Guenther <rguenther@suse.de>
2246 * fold-const.c (target.h): Include.
2247 (fold_comparison): Fold comparison of addresses of two decls
2248 that bind locally. Consolidate address folding code.
2250 2008-03-26 Nick Clifton <nickc@redhat.com>
2252 PR target/31232
2253 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
2254 not allow INT+INT as a legitimate addressing mode.
2256 2008-03-26 Richard Guenther <rguenther@suse.de>
2258 * tree-flow.h (widen_bitfield): Remove declaration.
2259 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
2260 (widen_bitfield): Remove function.
2261 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
2262 code.
2264 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
2266 PR target/31558
2267 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
2268 error_mark_node's.
2270 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
2272 PR rtl-optimization/35232
2273 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
2274 (forget_old_reloads_1, forget_marked_reloads): Don't clear
2275 reg_reloaded_call_part_clobbered here.
2276 (reload_regs_reach_end_p): New function.
2277 (reload_reg_rtx_for_input): New variable.
2278 (reload_reg_rtx_for_output): Likewise.
2279 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
2280 when reassigning a pseudo register. Load reloadreg from
2281 reload_reg_rtx_for_input, moving the mode and register
2282 calculation to...
2283 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
2284 instead of the original when deciding whether an input reload
2285 would be a no-op or whether an output reload can be deleted.
2286 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
2287 when setting up new_spill_reg_store. Load it from
2288 reload_reg_rtx_for_output, moving the mode and register
2289 calculation to...
2290 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
2291 instead of the original when deciding whether an output reload
2292 would be a no-op. Do the same when modifying insn notes.
2293 Use rtx_equal_p instead of == to compare the registers.
2294 (inherit_piecemeal_p): Take a mode and two register numbers
2295 as argument.
2296 (emit_reload_insns): Clear new_spill_reg_store for every hard
2297 register in the reload register. Remove spill registers
2298 from reg_reloaded_valid before considering whether to record
2299 inheritance information for them. Use reload_reg_rtx_for_output
2300 instead of reg_rtx when recording output reloads. Use
2301 reload_reg_rtx_for_input instead of reg_rtx when recording
2302 input reloads. Set or clear reg_reloaded_call_part_clobbered
2303 at the same time as setting reg_reloaded_valid.
2304 (delete_output_reload): Add a new_reload_reg parameter and use it
2305 instead of rld[j].reg_rtx.
2306 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
2307 calls accordingly.
2309 2008-03-25 Tom Tromey <tromey@redhat.com>
2311 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
2312 (build/genattr.o): Likewise.
2313 (build/genattrtab.o): Likewise.
2314 (build/gencodes.o): Likewise.
2315 (build/genconfig.o): Likewise.
2316 (build/genconstants.o): Likewise.
2317 (build/genemit.o): Likewise.
2318 (build/genextract.o): Likewise.
2319 (build/genflags.o): Likewise.
2321 2008-03-25 Bob Wilson <bob.wilson@acm.org>
2323 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
2324 instead of size_int for integer types.
2325 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
2326 to match type of MINUS_EXPR.
2328 2008-03-25 Tom Tromey <tromey@redhat.com>
2330 * configure: Rebuilt.
2331 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
2332 Makefile.
2334 2008-03-25 Tom Tromey <tromey@redhat.com>
2336 * config/x-solaris (host-solaris.o): Update.
2337 * config/x-linux (host-linux.o): Update.
2338 * config/x-hpux (host-hpux.o): Update.
2339 * config/x-darwin (host-darwin.o): Update.
2340 * config/v850/t-v850e (v850-c.o): Update.
2341 * config/v850/t-v850 (v850-c.o): Update.
2342 * config/t-vxworks (vxworks.o): Update.
2343 * config/t-sol2 (sol2-c.o, sol2.o): Update.
2344 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
2345 * config/spu/t-spu-elf (spu-c.o): Update.
2346 (spu.o): Remove.
2347 * config/sh/t-symbian (sh-c.o): Update.
2348 (symbian.o): Update.
2349 * config/sh/t-sh (sh-c.o): Update.
2350 * config/score/t-score-elf (score7.o, score3.o): Update.
2351 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
2352 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
2353 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
2354 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
2355 (rs6000.o): Remove.
2356 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
2357 * config/m32c/t-m32c (m32c-pragma.o): Update.
2358 * config/ia64/t-ia64 (ia64-c.o): Update.
2359 * config/i386/x-mingw32 (host-mingw32.o): Update.
2360 * config/i386/x-i386 (driver-i386.o): Update.
2361 * config/i386/x-darwin (host-i386-darwin.o): Update.
2362 * config/i386/x-cygwin (host-cygwin.o): Update.
2363 * config/i386/t-nwld (nwld.o): Update.
2364 * config/i386/t-netware (netware.o): Update.
2365 * config/i386/t-interix (winnt.o): Update.
2366 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
2367 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
2368 msformat-c.o): Update.
2369 * config/bfin/t-bfin-linux (generated_files): Add
2370 linux-sysroot-suffix.h.
2371 * config/arm/t-wince-pe (pe.o): Update.
2372 * config/arm/t-strongarm-pe (pe.o): Update.
2373 * config/arm/t-pe (pe.o): Update.
2374 * config/arm/t-arm (arm-c.o): Update.
2375 * doc/install.texi (Prerequisites): Require make 3.80.
2376 * Makefile.in: Remove .o targets.
2377 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
2378 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
2379 (simple_generated_h, simple_generated_c): Move earlier.
2380 (generated_files): New variable.
2381 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
2382 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
2383 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
2384 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
2385 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
2386 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
2387 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
2388 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
2389 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
2390 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
2391 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
2392 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
2393 (.c.o): Remove.
2394 (COMPILE.base, COMPILE): New variables.
2395 (%.o): New pattern rule.
2396 (ALL_HOST_OBJS): New variable.
2397 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
2398 (dummy-checksum.o, cc1-checksum.o): Remove.
2399 (DRIVER_SHLIB): New variable.
2400 (DRIVER_DEFINES): Use it.
2401 (gencondmd.c): Move out of build/.
2402 (s-conditions): Update.
2403 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
2404 (ALL_BUILD_OBJS): Likewise.
2405 (build/%.o): Use BUILDCOMPILE.
2406 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
2407 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
2408 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
2409 build/gencheck.o, build/gencodes.o, build/genconditions.o,
2410 build/genconfig.o, build/genconstants.o, build/genemit.o,
2411 build/genextract.o, build/genflags.o, build/genmddeps.o,
2412 build/genopinit.o, build/genoutput.o, build/genpeep.o,
2413 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
2414 build/gen-protos.o, build/scan.o, build/fix-header.o,
2415 build/scan-decls.o): Simplify.
2416 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
2417 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
2418 prefix.o, toplev.o): Reduce to variable setting.
2419 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
2420 ($(out_object_file), gcc-options.o): New targets.
2421 ($(ALL_HOST_OBJS)): New target. Include dependency files.
2422 * configure: Rebuilt.
2423 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
2424 * doc/sourcebuild.texi (Front End Directory): Document new variable.
2426 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
2428 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
2429 complain when we hit an error, return ERROR_MARK_NODE.
2431 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2433 * config/sh/constraints.md (Pso, Psz): New constraints.
2434 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
2435 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
2437 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2439 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
2440 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
2442 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2444 * config/sh/sh.md (prefetch): Add condition for SH2A target.
2445 (prefetch_sh2a): New.
2447 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
2448 Naveen.H.S <naveen.hs@kpitcummins.com>
2450 * config/sh/constraints.md (I28): New constraint.
2451 * config/sh/sh.c (broken_move): Add support for movi20s.
2452 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
2454 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
2455 Jayant Sonar <Jayant.sonar@kpitcummins.com>
2456 Naveen.H.S <naveen.hs@kpitcummins.com>
2458 * config/sh/sh.c (SH_ATTRIBUTES): Define.
2459 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
2460 (print_operand): Handle resbank in %@ operand code.
2461 (sh_encode_section_info): New.
2462 (push_regs): Add conditions for resbank.
2463 (sh_expand_epilogue): Likewise.
2464 (sh_insert_attributes): Likewise.
2465 (sh_attribute_table): Likewise.
2466 (sh_handle_resbank_handler_attribute): New.
2467 (sh2a_handle_function_vector_handler_attribute): New.
2468 (sh2a_is_function_vector_call): New.
2469 (sh2a_get_function_vector_number): New.
2470 (sh2a_function_vector_p): New.
2471 (sh_cfun_resbank_handler_p): New.
2472 * config/sh/sh.md (calli): Emit jsr/n if possible.
2473 (calli_tbr_rel): New.
2474 (calli_pcrel): Emit jsr/n if possible.
2475 (return_i): Emit rts/n if possible.
2476 (call_valuei_tbr_rel): New.
2477 (call_valuei_pcrel): Add condition for SH2A target.
2478 (call_value): Likewise.
2479 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
2480 (sh2a_get_function_vector_number): Likewise.
2481 (sh2a_is_function_vector_call): Likewise.
2482 * doc/extend.texi: Document TBR relative addressing of SH2A.
2483 (resbank): Add description for SH2A.
2485 2008-03-24 Richard Guenther <rguenther@suse.de>
2487 PR c/22371
2488 * gimplify.c (gimplify_modify_expr): For frontend type-correct
2489 pointer assignments change conversions according to middle-end rules.
2490 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
2491 * configure.ac: Include type checking in yes.
2492 * configure: Regenerate.
2494 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2496 * diagnostic.c (diagnostic_count_diagnostic): Delete.
2497 (diagnostic_report_diagnostic): Update. Handle ICEs here.
2499 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
2501 * gthr-vxworks.h (UNUSED): Define.
2503 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
2505 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and
2506 CX_REG.
2508 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
2510 * doc/extend.texi (Function Attributes): Add missing comma in the
2511 example of the "alloc_size" attribute.
2513 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
2515 Revert:
2516 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
2518 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2519 32bit host.
2521 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
2523 PR target/35496
2524 * stor-layout.c (update_alignment_for_field): Set minimum alignment
2525 of the underlying type of a MS bitfield layout to the natural
2526 alignment of the type.
2528 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
2530 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
2531 to their natural alignment to avoid store forwarding stalls.
2533 2008-03-22 Richard Guenther <rguenther@suse.de>
2535 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
2536 For PHI nodes verify the address is invariant.
2537 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
2538 (get_symbol_constant_value): Use is_gimple_min_invariant.
2539 (maybe_fold_stmt_indirect): Likewise.
2541 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
2543 PR rtl-optimization/33927
2544 * Makefile.in (dse.o): Depend on $(TM_P_H).
2545 * expr.h (extract_low_bits): Declare.
2546 * expmed.c (extract_low_bits): New function.
2547 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
2548 * dse.c: Include tm_p.h.
2549 (find_shift_sequence): Remove the read_reg argument and return the
2550 read value. Emit the instructions instead of returning them.
2551 Iterate on new_mode rather than calculating it each time.
2552 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
2553 source to NEW_MODE and extract_low_bits to convert the shifted
2554 value to READ_MODE.
2555 (replace_read): Allow the load and store to have different mode
2556 classes. Use extract_low_bits when SHIFT == 0. Create the shift
2557 or extraction instructions before trying the replacement. Update
2558 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
2560 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
2562 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
2563 to their natural alignment to avoid store forwarding stalls.
2565 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
2567 PR target/27946
2568 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
2569 encouraging but not allowing gprs for input;
2570 change the input constraint to !f#r.
2571 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
2572 gprs for output;
2573 change the output constraint to !f#r.
2575 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
2577 PR target/13958
2578 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
2579 corresponding post-reload splitters.
2580 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
2581 when x87 FP math is selected.
2582 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
2583 New function prototype.
2584 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
2585 unreachable function to ease macroization of insn patterns.
2587 2008-03-21 Martin Jambor <mjambor@suse.cz>
2589 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
2590 reference dumps if ddr is NULL or dependence is unknown.
2592 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2594 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
2595 unsigned extension into account.
2596 (ATOMIC_COMPARE_AND_SWAP): Likewise.
2597 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
2598 Do computations on a scratch register.
2600 2008-03-21 Richard Guenther <rguenther@suse.de>
2602 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
2603 Use is_gimple_min_invariant instead of TREE_INVARIANT.
2604 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
2605 * tree-ssa-dom.c (record_equality): Likewise.
2606 * tree-inline.c (copy_body_r): Likewise.
2607 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
2608 TREE_INVARIANT.
2610 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2612 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
2613 as 'delete_unused' argument.
2615 2008-03-20 Richard Guenther <rguenther@suse.de>
2617 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2618 special casing of constant qualifiers.
2619 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
2620 care about them in general.
2621 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
2622 regardless of their type.
2623 (fold_stmt_r): Forcefully fold *& if we end up with that.
2625 2008-03-20 Paul Brook <paul@codesourcery.com>
2627 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
2628 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
2629 linker flags.
2630 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
2631 definition.
2632 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
2633 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
2635 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
2637 * common.opt (Wmudflap): New option.
2638 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
2639 (mx_register_decls): Likewise.
2640 (mudflap_finish_file): Likewise.
2641 * doc/invoke.texi: Document -Wno-mudflap.
2643 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
2645 * c-format.c (replace_format_name_to_system_name): New.
2646 (cmp_attribs): New.
2647 (convert_format_name_to_system_name): New.
2648 (decode_format_attr): Add use of convert_format_name_to_system_name.
2649 (format_types_orig): Add gnu_ prefix to names.
2650 (check_format_info_main): Special treating of \0 escaped names for
2651 supporting multi-character format specifiers as I32, I64.
2652 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
2653 (gnu_target_overrides_format_attributes): New.
2654 * c-format.h: Add structure target_ovr_attr to hold
2655 system specific formatter names.
2656 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
2657 msformat-c.o file to c_target_objs and cxx_target_objs.
2658 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
2659 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
2660 (TARGET_N_FORMAT_TYPES): New.
2661 * config/i386/msformat-c.c: New.
2662 * config/i386/t-cygming: Add build rule for msformat-c.o.
2663 * doc/extend.texi: Add new format names gnu_* and ms_* and
2664 further details.
2665 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
2667 2008-03-20 Ira Rosen <irar@il.ibm.com>
2669 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
2670 optimizations turned on under -O3.
2671 (ftree-vectorize): Add that the flag is turned on with -O3.
2673 2008-03-20 Ben Elliston <bje@au.ibm.com>
2675 * regmove.c (try_auto_increment): Fix spelling error in comment.
2676 * final.c (final_scan_insn): Likewise.
2678 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
2680 PR target/14552
2681 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
2682 allocator preferences for "y" and "r" class registers.
2683 ("*mov<mode>_internal"): Ditto.
2684 ("*movv2sf_internal_rex64"): Ditto.
2685 ("*movv2sf_internal"): Ditto.
2687 2008-03-19 Michael Matz <matz@suse.de>
2689 PR middle-end/35616
2690 * calls.c (expand_call): Check overlap of arguments with call
2691 address for sibcalls.
2693 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
2695 PR target/35496
2696 * stor-layout.c (update_alignment_for_field): Set minimum alignment
2697 of the underlying type of a MS bitfield layout to the natural
2698 alignment of the type.
2700 2008-03-19 Jan Hubicka <jh@suse.cz>
2702 PR other/35094
2703 * toplev.c (decode_d_option): Handle all CPP flags.
2704 * tree-vrp.c: Update tree_pass descriptors.
2705 * regrename.c: Update tree_pass descriptors.
2706 * fwprop.c: Update tree_pass descriptors.
2707 * doc/invoke.texi: Remove documentation of dropped -d? flags.
2708 * tree-into-ssa.c: Update tree_pass descriptors.
2709 * tree-dump.c: Update tree_pass descriptors.
2710 * tree-complex.c: Update tree_pass descriptors.
2711 * tree-dump.h: Update tree_pass descriptors.
2712 * see.c: Update tree_pass descriptors.
2713 * cgraphbuild.c: Update tree_pass descriptors.
2714 * tracer.c: Update tree_pass descriptors.
2715 * tree-loop-distribution.c: Update tree_pass descriptors.
2716 * cgraph.c: Update tree_pass descriptors.
2717 * postreload-gcse.c: Update tree_pass descriptors.
2718 * postreload.c: Update tree_pass descriptors.
2719 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
2720 * tree-tailcall.c: Update tree_pass descriptors.
2721 * tree-pass.h (tree_opt_pass): Rename to ...
2722 (opt_pass) ... this one; add "type" field and remove letter field.
2723 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
2724 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
2725 all_lowering_passes): Update declaration.
2726 * ipa-cp.c: Update tree_pass descriptors.
2727 * final.c: Update tree_pass descriptors.
2728 * omp-low.c: Update tree_pass descriptors.
2729 * tree-ssa-dse.c: Update tree_pass descriptors.
2730 * ipa-reference.c: Update tree_pass descriptors.
2731 * tree-ssa-uncprop.c: Update tree_pass descriptors.
2732 * auto-inc-dec.c: Update tree_pass descriptors.
2733 * reorg.c: Update tree_pass descriptors.
2734 * cgraphunit.c: Update tree_pass descriptors.
2735 * tree-ssa-copyrename.c: Update tree_pass descriptors.
2736 * tree-ssa-ccp.c: Update tree_pass descriptors.
2737 * df-core.c: Update tree_pass descriptors.
2738 * mode-switching.c: Update tree_pass descriptors.
2739 * tree-nomudflap.c: Update tree_pass descriptors.
2740 * modulo-sched.c: Update tree_pass descriptors.
2741 * ipa-pure-const.c: Update tree_pass descriptors.
2742 * cse.c: Update tree_pass descriptors.
2743 * web.c: Update tree_pass descriptors.
2744 * tree-stdarg.c: Update tree_pass descriptors.
2745 * tree-ssa-math-opts.c: Update tree_pass descriptors.
2746 * tree-ssa-dom.c: Update tree_pass descriptors.
2747 * tree-nrv.c: Update tree_pass descriptors.
2748 * tree-ssa-alias.c: Update tree_pass descriptors.
2749 * loop-init.c: Update tree_pass descriptors.
2750 * gimple-low.c: Update tree_pass descriptors.
2751 * ipa-inline.c: Update tree_pass descriptors.
2752 * tree-ssa-sink.c: Update tree_pass descriptors.
2753 * global.c: Update tree_pass descriptors.
2754 * ifcvt.c: Update tree_pass descriptors.
2755 * jump.c: Update tree_pass descriptors.
2756 * predict.c: Update tree_pass descriptors.
2757 * tree-ssa-loop.c: Update tree_pass descriptors.
2758 * recog.c: Update tree_pass descriptors.
2759 * dse.c: Update tree_pass descriptors.
2760 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
2761 * tree-eh.c: Update tree_pass descriptors.
2762 * regmove.c: Update tree_pass descriptors.
2763 * local-alloc.c
2764 * function.c: Update tree_pass descriptors.
2765 * tree-vectorizer.c: Update tree_pass descriptors.
2766 * gcse.c: Update tree_pass descriptors.
2767 * ipa-type-escape.c: Update tree_pass descriptors.
2768 * tree-if-conv.c: Update tree_pass descriptors.
2769 * init-regs.c: Update tree_pass descriptors.
2770 * ipa.c: Update tree_pass descriptors.
2771 * tree-ssa-phiopt.c: Update tree_pass descriptors.
2772 * rtl-factoring.c: Update tree_pass descriptors.
2773 * lower-subreg.c: Update tree_pass descriptors.
2774 * bt-load.c: Update tree_pass descriptors.
2775 * tree-dfa.c: Update tree_pass descriptors.
2776 * except.c: Update tree_pass descriptors.
2777 * emit-rtl.c: Update tree_pass descriptors.
2778 * cfgexpand.c: Update tree_pass descriptors.
2779 * tree-cfgcleanup.c: Update tree_pass descriptors.
2780 * cfgcleanup.c: Update tree_pass descriptors.
2781 * tree-ssa-pre.c: Update tree_pass descriptors.
2782 * tree-sra.c: Update tree_pass descriptors.
2783 * tree-mudflap.c: Update tree_pass descriptors.
2784 * tree-ssa-copy.c: Update tree_pass descriptors.
2785 * cfglayout.c: Update tree_pass descriptors.
2786 * tree-ssa-forwprop.c: Update tree_pass descriptors.
2787 * tree-ssa-dce.c: Update tree_pass descriptors.
2788 * tree-ssa.c: Update tree_pass descriptors.
2789 * regclass.c: Update tree_pass descriptors.
2790 * integrate.c: Update tree_pass descriptors.
2791 * tree-optimize.c: Update tree_pass descriptors.
2792 * tree-ssa-phiprop.c: Update tree_pass descriptors.
2793 * tree-object-size.c: Update tree_pass descriptors.
2794 * combine.c: Update tree_pass descriptors.
2795 * tree-outof-ssa.c: Update tree_pass descriptors.
2796 * bb-reorder.c: Update tree_pass descriptors.
2797 * stack-ptr-mod.c: Update tree_pass descriptors.
2798 * var-tracking.c: Update tree_pass descriptors.
2799 * tree-profile.c: Update tree_pass descriptors.
2800 * tree-vect-generic.c: Update tree_pass descriptors.
2801 * reg-stack.c: Update tree_pass descriptors.
2802 * sched-rgn.c: Update tree_pass descriptors.
2803 * tree-ssa-structalias.c: Update tree_pass descriptors.
2804 * tree-cfg.c: Update tree_pass descriptors.
2805 * passes.c (current_pass): Update declaration.
2806 (finish_optimization_passes): Update.
2807 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
2808 (register_one_dump_file, register_dump_files_1, next_pass_1):
2809 Update arguments.
2810 (init_optimization_passes): Update handling of new types.
2811 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
2812 * ipa-struct-reorg.c: Update tree_pass descriptors.
2813 * tree-ssa-reassoc.c: Update tree_pass descriptors.
2814 * combine-stack-adj.c: Update tree_pass descriptors.
2815 * cfgrtl.c: Update tree_pass descriptors.
2816 * dce.c: Update tree_pass descriptors.
2817 * tree-ssanames.c: Update tree_pass descriptors.
2819 2008-03-19 Richard Guenther <rguenther@suse.de>
2821 PR middle-end/35609
2822 * tree-ssa.c (walk_data): New structure.
2823 (warn_uninitialized_var): If not always_executed warn with "maybe"
2824 instead of "is".
2825 (execute_early_warn_uninitialized): Compute post-dominators.
2826 Initialize always_executed before processing each basic block.
2828 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
2830 PR target/35504
2831 * config/i386/i386.c (x86_this_parameter): Calculate correct location
2832 of "this" pointer when "regparm = N" or "fastcall" is in effect.
2834 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2836 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
2838 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
2840 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
2841 is true.
2842 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
2843 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
2844 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
2845 target after ignore has been set, and move there also the commputation
2846 of subtarget and original_target.
2847 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
2848 (LANG_HOOKS_INITIALIZER): Remove it.
2849 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
2851 2008-03-18 Richard Guenther <rguenther@suse.de>
2853 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
2854 found an expression with constants, note that in the VN for the lhs.
2855 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
2856 fold them to constants if possible. Run cleanup_cfg if done so.
2857 (execute_pre): Return todo.
2858 (do_pre): Likewise.
2859 (execute_fre): Likewise.
2860 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
2861 of constants.
2862 (get_prop_source_stmt): Look through pointer conversions.
2864 2008-03-18 Jan Hubicka <jh@suse.cz>
2866 * tree-pretty-print.c: Include predict.h.
2867 (dump_generic_node): Dump predictor.
2868 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
2869 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
2870 * gimple-low.c (lower_stmt): Likewise.
2871 * expr.c (expand_expr_real): Likewise.
2872 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
2873 them.
2874 (build_predict_expr, build_predict_expr): New.
2875 * predict.h (predictor_name, build_predict_expr): Update.
2876 * c-typeck.c (c_finish_bc_stmt): Add prediction.
2877 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
2878 * predict.def (PRED_CONTINUE): Update hitrate.
2879 * tree.def (PREDICT_EXPR): Define.
2880 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
2881 do not handle BIND_EXPR.
2882 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
2883 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
2884 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
2885 operands.
2887 2008-03-18 Michael Matz <matz@suse.de>
2889 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
2891 2008-03-18 Richard Guenther <rguenther@suse.de>
2893 * tree-gimple.h (is_gimple_invariant_address): Declare.
2894 (is_gimple_constant): Likewise.
2895 * tree-gimple.c (is_gimple_constant): New function.
2896 (is_gimple_invariant_address): Likewise.
2897 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
2898 and is_gimple_invariant_address.
2899 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
2900 previous change.
2901 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
2902 an addressable base.
2904 2008-03-18 Jakub Jelinek <jakub@redhat.com>
2906 PR middle-end/35611
2907 * gimplify.c (gimplify_expr): Gimplify second operand of
2908 OMP_ATOMIC_LOAD.
2910 2008-03-17 Richard Guenther <rguenther@suse.de>
2912 PR tree-optimization/19637
2913 * fold-const.c (fold_unary): Remove restrictions of removing
2914 intermediate pointer-conversions (P2)(P1)P0.
2915 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
2916 conversion to void pointer.
2917 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
2919 2008-03-16 James E. Wilson <wilson@tuliptree.org>
2921 PR debug/31510
2922 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
2923 emulated thread local variables.
2925 2008-03-16 Richard Guenther <rguenther@suse.de>
2927 PR middle-end/35607
2928 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
2929 expand TREE_INVARIANT operations that are not gimple invariant.
2931 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
2933 * doc/extend.texi (Alignment): Say that the ABI controls
2934 the __alignof__ for non-strict-alignment targets rather
2935 than being a recommendation.
2937 2008-03-15 Paul Brook <paul@codesourcery.com>
2939 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
2940 annotations.
2941 (arm_output_fn_unwind): Mark functions that can not be unwound.
2943 2008-03-15 Paul Brook <paul@codesourcery.com>
2945 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
2946 extension instructions.
2948 2008-03-15 Richard Guenther <rguenther@suse.de>
2950 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
2951 and fold constant aggregate refs.
2952 (fold_const_aggregate_ref): Handle string constants
2953 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
2954 (evaluate_stmt): Simplify now that ccp_fold folds constant
2955 aggregate refs.
2957 2008-03-15 Paul Brook <paul@codesourcery.com>
2959 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
2960 (extzv): Use gen_extzv_t2.
2961 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
2963 2008-03-15 Richard Guenther <rguenther@suse.de>
2965 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
2966 (fold_const_aggregate_ref): Likewise.
2967 (get_value): Return NULL if we don't have any values.
2968 (ccp_finalize): Set const_val to NULL after freeing it.
2969 * tree-flow.h (get_symbol_constant_value): Declare.
2970 (fold_const_aggregate_ref): Likewise.
2971 * tree-ssa-sccvn.c (try_to_simplify): Use them.
2973 2008-03-15 Richard Guenther <rguenther@suse.de>
2975 PR middle-end/35593
2976 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
2977 to not produce negative array indices if not allowed. Add
2978 parameter to indicate that.
2979 (maybe_fold_offset_to_component_ref): Allow negative array
2980 indices only for the first member of a structure.
2981 (maybe_fold_offset_to_reference): Allow negative array indices.
2982 (maybe_fold_stmt_addition): Likewise.
2984 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
2985 Anatoly Sokolov <aesok@post.ru>
2987 * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
2988 (avr_arch): Add ARCH_AVR6.
2989 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
2990 (initial_elimination_offset): Initialize and use 'avr_pc_size'
2991 instead of fixed value 2.
2992 (print_operand_address): Use gs() asm specifier instead of pm().
2993 (avr_assemble_integer): (Ditto.).
2994 (avr_output_addr_vec_elt): (Ditto.).
2995 (print_operand): Handle "!" code.
2996 * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
2997 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
2998 (AVR_HAVE_EIJMP_EICALL): Define.
2999 (AVR_3_BYTE_PC): Redefine.
3000 (AVR_2_BYTE_PC): (Ditto.).
3001 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
3002 (LINK_SPEC): Add atmega2560 and atmega2561.
3003 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
3004 (crtm2561.o).
3005 * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
3006 for 3 byte PC devices.
3007 (call_value_insn): (Ditto.).
3008 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
3009 (indirect_jump): Use only for for 2 byte PC devices.
3010 (*tablejump): (Ditto.).
3011 (*indirect_jump_avr6): Add insn.
3012 (*tablejump_rjmp): Don't use for 3 byte PC devices.
3013 * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
3014 instead of ijmp for 3 byte PC devices.
3015 (__tablejump2__): (Ditto.).
3016 * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
3017 (MULITLIB_DIRNAMES): (Ditto.).
3018 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
3020 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
3022 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
3023 "sse2_umulsidi3". Use V1DI mode for operand 0.
3024 ("mmx_psadbw"): Use V1DI mode for operand 0.
3025 * config/i386/i386-modes.def (V1SI): New vector mode.
3026 * config/i386/i386.c (struct builtin_description)
3027 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
3028 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
3029 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
3030 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
3031 v1di_ftype_v8qi_v8qi type.
3032 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
3034 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
3035 __builtin_ia32_pmuludq]: Fix the mode of return value.
3037 2008-03-15 Richard Guenther <rguenther@suse.de>
3039 PR middle-end/35595
3040 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
3041 being a PHI_NODE.
3043 2008-03-14 Bob Wilson <bob.wilson@acm.org>
3045 * doc/invoke.texi (Option Summary, Xtensa Options): Document
3046 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
3047 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
3048 unless TARGET_SERIALIZE_VOLATILE is enabled.
3049 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
3050 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
3051 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
3053 2008-03-14 Richard Guenther <rguenther@suse.de>
3055 PR tree-optimization/34172
3056 * tree-flow.h (refs_may_alias_p): Declare.
3057 (get_single_def_stmt): Likewise.
3058 (get_single_def_stmt_from_phi): Likewise.
3059 (get_single_def_stmt_with_phi): Likewise.
3060 * tree-dfa.c (refs_may_alias_p): New function.
3061 (get_single_def_stmt): Likewise.
3062 (get_single_def_stmt_from_phi): Likewise.
3063 (get_single_def_stmt_with_phi): Likewise.
3064 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
3065 (vn_reference_lookup_1): New helper function.
3066 (vn_reference_lookup): Walk the virtual use-def chain to
3067 continue searching for a match if the def does not alias the
3068 reference we are looking for.
3070 2008-03-14 David Edelsohn <edelsohn@gnu.org>
3072 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
3073 archive and Perzl. Update The Written Word listing.
3075 2008-03-14 Richard Guenther <rguenther@suse.de>
3077 PR tree-optimization/34043
3078 PR tree-optimization/33989
3079 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
3080 when doing FRE.
3081 (bitmap_find_leader): Use extra argument to verify dominance
3082 relationship inside a basic-block.
3083 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
3084 (find_leader_in_sets): Adjust.
3085 (create_component_ref_by_pieces): Take extra argument for
3086 dominance check, handle lookup failures.
3087 (find_or_generate_expression): Likewise.
3088 (create_expression_by_pieces): Likewise.
3089 (insert_into_preds_of_block): Adjust.
3090 (create_value_expr_from): If asked for, verify all operands
3091 are in the blocks AVAIL_OUT set.
3092 (make_values_for_stmt): Check for SSA_NAMEs that are life
3093 over an abnormal edge.
3094 (compute_avail): Remove such check.
3095 (do_SCCVN_insertion): New function.
3096 (eliminate): If we do not find a leader suitable for replacement
3097 insert a replacement expression from SCCVN if available.
3098 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
3099 (struct vn_ssa_aux): Add needs_insertion flag.
3100 * tree-ssa-sccvn.c (may_insert): New global flag.
3101 (copy_reference_ops_from_ref): Value-number union member access
3102 based on its size, not type and member if insertion is allowed.
3103 (visit_reference_op_load): For a weak match from union type
3104 punning lookup a view-converted value and insert a SSA_NAME
3105 for that value if that is not found.
3106 (visit_use): Make dumps shorter. Do not disallow value numbering
3107 SSA_NAMEs that are life over an abnormal edge to constants.
3108 (free_scc_vn): Release inserted SSA_NAMEs.
3109 (run_scc_vn): New flag to specify whether insertion is allowed.
3110 Process SSA_NAMEs in forward order.
3111 * tree-ssa-loop-im.c (for_each_index): Handle invariant
3112 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
3113 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
3114 pointer type to/from integral types that do not change the
3115 precision to regular conversions.
3117 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
3119 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
3120 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
3121 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
3122 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
3123 input arguments and the mode of return value. Built-in functions
3124 that operate on whole 64-bit MMX register now use V1DI mode.
3126 2008-03-13 Alon Dayan <alond@il.ibm.com>
3127 Olga Golovanevsky <olga@il.ibm.com>
3129 PR tree-optimization/35041
3130 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
3131 to locate the right position in a statement.
3133 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
3135 PR target/34000
3136 PR target/35553
3137 * config/i386/xmmintrin.h: Change all static inline functions to
3138 extern inline and add __gnu_inline__ attribute.
3139 * config/i386/bmintrin.h: Ditto.
3140 * config/i386/smmintrin.h: Ditto.
3141 * config/i386/tmmintrin.h: Ditto.
3142 * config/i386/mmintrin-common.h: Ditto.
3143 * config/i386/ammintrin.h: Ditto.
3144 * config/i386/emmintrin.h: Ditto.
3145 * config/i386/pmmintrin.h: Ditto.
3146 * config/i386/mmintrin.h: Ditto.
3147 * config/i386/mm3dnow.h: Ditto.
3149 2008-03-13 Jakub Jelinek <jakub@redhat.com>
3151 PR middle-end/35185
3152 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
3153 (lower_omp_2): New function.
3154 (lower_omp_1, lower_omp): Rewritten.
3156 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
3158 PR 35054
3159 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
3160 with the phrase "Microsoft Windows compilers".
3161 (Push/Pop Macro Pragmas): New subsection. Document
3162 #pragma push_macro and pragma pop_macro.
3164 2008-03-12 Paul Brook <paul@codesourcery.com>
3166 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
3168 2008-03-12 Paul Brook <paul@codesourcery.com>
3170 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
3171 (thumb2_alusi3_short): Exclude PLUS and MINUS.
3172 (thumb2_addsi_shortim): Rename ...
3173 (thumb2_addsi_short): ... to this. Allow register operands.
3174 (thumb2_subsi_short): New pattern.
3175 (thumb2_one_cmplsi2_short,
3176 thumb2_negsi2_short): New patterns and peepholes.
3178 2008-03-12 Paul Brook <paul@codesourcery.com>
3180 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
3182 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
3184 * config/i386/i386.md (int_cond): New code iterator.
3185 (fp_cond): Ditto.
3186 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
3187 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
3188 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
3189 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
3190 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
3191 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
3192 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
3193 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
3195 2008-03-12 Paul Brook <paul@codesourcery.com>
3197 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
3198 instead of {arm,thumb}_compute_save_reg_mask.
3199 (output_return_instruction): Ditto.
3200 (thumb_unexpanded_epilogue): Ditto.
3201 (thumb1_expand_prologue): Ditto.
3202 (thumb1_output_function_prologue): Ditto.
3203 (arm_set_return_address): Ditto.
3204 (thumb_set_return_address): Ditto.
3205 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
3206 regs to achieve stack alignment.
3207 (thumb1_compute_save_reg_mask): Fix compiler warning.
3208 (arm_output_epilogue): Use offsets->saved_regs_mask.
3209 Adjust stack pointer by poping call clobered registers.
3210 (arm_expand_prologue): Use offsets->saved_regs_mask.
3211 Adjust stack pointer by pushing extra registers.
3212 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
3214 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
3216 PR tree-opt/35422
3217 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
3218 conversion to the operands of a multiplication.
3220 2008-03-12 Richard Guenther <rguenther@suse.de>
3222 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
3223 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
3224 * timevar.def (TV_TREE_PHIPROP): Add.
3225 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
3226 pass description. Use TV_TREE_PHIPROP.
3227 * tree-ssa-forwprop.c: Remove phiprop code.
3229 2008-03-12 Jakub Jelinek <jakub@redhat.com>
3231 PR middle-end/35549
3232 * omp-low.c (maybe_lookup_decl): Constify first argument.
3233 (use_pointer_for_field): Change last argument from bool to
3234 omp_context *. Disallow shared copy-in/out in nested
3235 parallel if decl is shared in outer parallel too.
3236 (build_outer_var_ref, scan_sharing_clauses,
3237 lower_rec_input_clauses, lower_copyprivate_clauses,
3238 lower_send_clauses, lower_send_shared_vars): Adjust callers.
3240 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
3241 Ira Rosen <irar@il.ibm.com>
3243 * tree-vectorizer.c (free_stmt_vec_info): New function.
3244 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
3245 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
3246 * tree-vectorizer.h (free_stmt_vec_info): Declare.
3247 * tree-vect-transform.c (vectorizable_conversion): Free
3248 vec_oprnds0 if it was allocated.
3249 (vect_permute_store_chain): Remove unused VECs.
3250 (vectorizable_store): Free VECs that are allocated in the..
3251 function.
3252 (vect_transform_strided_load, vectorizable_load): Likewise.
3253 (vect_remove_stores): Simplify the code.
3254 (vect_transform_loop): Move code to vect_remove_stores().
3255 Call vect_remove_stores() and free_stmt_vec_info().
3257 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3259 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
3260 TARGET_HPUX. Revise comment.
3261 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
3262 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
3263 Use sr4 variant of `be' instruction when not generating PIC code.
3264 (attr_length_call): Adjust for above change.
3266 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3268 * ipa-reference.c (static_execute): Remove module_statics_const and
3269 associated setting code.
3271 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
3273 PR target/35540
3274 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
3275 predicate for operand 1.
3276 (paritysi2_cmp): Use register_operand predicate for operand 2.
3277 Use earlyclobber modifier for operand 1. Remove support for
3278 memory operands.
3279 (paritydi2_cmp): Use register_operand predicate for operand 3.
3280 Use earlyclobber modifier for operand 1. Remove support for
3281 memory operands.
3283 2008-03-11 Paul Brook <paul@codesourcery.com>
3284 Vladimir Prus <vladimir@codesourcery.com>
3286 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
3287 (arm_compute_save_reg0_reg12_mask): Always
3288 check if register 11 must be saved. Always safe hard frame pointer
3289 when frame_pointer_needeed.
3290 (arm_compute_save_reg_mask): Save IP and PC
3291 only with apcs frames.
3292 (arm_output_epilogue): Adjust Thumb2 codepath to
3293 be also invoked and work for ARM non-apcs frames.
3294 (arm_expand_prologue): Don't bother saving IP
3295 for non-apcs frame, since it's not clobbered by
3296 prologue code. Implement non-apcs frame
3297 layout.
3299 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
3301 PR rtl-optimization/35281
3302 * expr.c (convert_move): Use a new pseudo for the intermediate
3303 from_mode->word_mode result.
3305 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
3307 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
3308 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
3309 * toplev.c (compile_file): Don't call it.
3311 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
3313 PR middle-end/35526
3314 * expr.c (store_expr): Call emit_block_move if the mode
3315 of "temp" RTX is BLKmode.
3317 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3318 Richard Guenther <rguenther@suse.de>
3320 PR tree-optimization/31358
3321 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
3322 the step with a NULL_TREE.
3323 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
3324 to sizetype if type is a pointer type.
3325 (add_candidate_1): Don't convert the base and step to
3326 the generic type if the orginal type is a pointer type.
3327 (add_iv_value_candidates): Use sizetype for the step
3328 if type is a pointer type.
3329 (cand_value_at): Likewise.
3330 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
3331 for pointer types.
3332 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
3333 Don't convert the tem affine to the type.
3334 (add_elt_to_tree): Use sizetype for the step if a pointer.
3335 Use POINTER_PLUS_EXPR for pointers.
3336 (aff_combination_to_tree): Use sizetype for the step if a
3337 pointer.
3339 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
3341 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
3342 Remove commutativity hint.
3344 2008-03-10 Jakub Jelinek <jakub@redhat.com>
3346 PR c/35438
3347 PR c/35439
3348 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
3349 errorneous type. Check that v is a VAR_DECL.
3351 PR middle-end/35099
3352 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
3354 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
3356 PR tree-optimization/35494
3357 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
3358 may be overriden at link and run time.
3360 2008-03-10 Richard Guenther <rguenther@suse.de>
3362 PR tree-optimization/34677
3363 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
3364 (poolify_tree): Likewise.
3365 (modify_expr_template): Likewise.
3366 (poolify_modify_stmt): Likewise.
3367 (insert_fake_stores): Handle all component-ref style stores
3368 in addition to INDIRECT_REF. Also handle complex types.
3369 Do not poolify the inserted load.
3370 (realify_fake_stores): Do not rebuild the tree but only
3371 make it a SSA_NAME copy.
3372 (init_pre): Remove initialzation of modify_expr_template.
3373 Do not allocate modify_expr_node_pool.
3374 (fini_pre): Do not free modify_expr_node_pool.
3376 2008-03-10 Paul Brook <paul@codesourcery.com>
3378 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
3379 to avoid conflicts.
3381 2008-03-10 Paul Brook <paul@codesourcery.com>
3382 Mark Shinwell <shinwell@codesourcery.com>
3384 * config/arm/cortex-r4.md: New.
3385 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
3386 insn attributes.
3387 * config/arm/arm.md: Include cortex-r4.md.
3388 (insn): Add smmls, sdiv and udiv values.
3389 (generic_sched): Don't use generic scheduling for Cortex-R4.
3390 (arm_issue_rate): New function.
3391 (TARGET_SCHED_ISSUE_RATE): Define.
3393 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
3395 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
3397 2008-03-10 Richard Guenther <rguenther@suse.de>
3399 * tree-ssa-pre.c (get_sccvn_value): Simplify.
3400 (compute_avail): Do not add stmt uses to AVAIL_OUT.
3402 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
3404 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
3405 Set default to true.
3407 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3409 * c.opt (Wsynth): Deprecate.
3410 * doc/invoke.texi (Option Summary, Warning Options): Document
3411 -Wno-format-contains-nul.
3413 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
3415 PR target/35496
3416 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
3417 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
3419 2008-03-09 Ira Rosen <irar@il.ibm.com>
3421 * config/rs6000/rs6000.c (builtin_description): Rename vector
3422 left shift operations.
3423 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
3424 (altivec_vsl<VI_char>): Rename to ...
3425 (ashl<mode>3): ... new name.
3426 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
3427 gen_ashlv4si3.
3428 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
3430 2008-03-08 Richard Guenther <rguenther@suse.de>
3432 * coverage.h (tree_coverage_counter_addr): Declare.
3433 * coverage.c (tree_coverage_counter_addr): New function.
3434 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
3435 before using again.
3436 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
3437 (tree_gen_one_value_profiler): Likewise.
3438 (tree_gen_ic_profiler): Likewise.
3439 (tree_gen_average_profiler): Likewise.
3440 (tree_gen_ior_profiler): Likewise.
3442 2008-03-08 Richard Guenther <rguenther@suse.de>
3444 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
3445 (vn_binary_op_insert): Likewise.
3446 (vn_unary_op_lookup): Likewise.
3447 (vn_unary_op_insert): Likewise.
3448 (vn_nary_op_lookup): Declare.
3449 (vn_nary_op_insert): Likewise.
3450 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
3451 and binary hashes, use a single obstack for unary_op_pool
3452 and binary_op_pool.
3453 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
3454 a single struct vn_nary_op_s. Store tree code length and
3455 a variable number of operands.
3456 (struct vn_reference_op_struct): Remove unused op2.
3457 (vn_reference_op_eq): Do not compare op2.
3458 (vn_reference_op_compute_hash): Do not compute hash of op2.
3459 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
3460 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
3461 with vn_nary_op_compute_hash.
3462 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
3463 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
3464 vn_nary_op_lookup.
3465 (vn_unary_op_insert, vn_binary_op_insert): Replace with
3466 vn_nary_op_insert.
3467 (visit_unary_op): Call nary functions.
3468 (visit_binary_op): Likewise.
3469 (process_scc): Adjust for struct vn_tables_s changes.
3470 (allocate_vn_table): Likewise.
3471 (free_vn_table): Likewise.
3472 * tree-vn.c (vn_add): Call nary functions.
3473 (vn_lookup): Likewise.
3475 2008-03-08 Jakub Jelinek <jakub@redhat.com>
3477 PR target/35498
3478 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
3479 wdst back after sync_compare_and_swapqhi_internal.
3481 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
3483 PR target/22152
3484 * config/i386/i386-modes.def (V1DI): New vector mode.
3485 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
3486 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
3487 (MMXMODE248): Ditto.
3488 (MMXMODE): Add V1DI mode.
3489 (mmxvecsize): Change DI mode to V1DI mode.
3490 ("mov<mode>): Use MMXMODEI8 mode iterator.
3491 ("*mov<mode>_internal_rex64"): Ditto.
3492 ("*mov<mode>_internal"): Ditto.
3493 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
3494 ("mmx_sub<mode>3"): Ditto.
3495 ("mmx_adddi3"): Remove insn pattern.
3496 ("mmx_subdi3"): Ditto.
3497 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
3498 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
3499 ("mmx_ashl<mode>3"): Ditto.
3500 ("mmx_lshrdi3"): Remove insn pattern.
3501 ("mmx_ashldi3"): Ditto.
3502 * config/i386/i386.c (classify_argument): Handle V1DImode.
3503 (function_arg_advance_32): Ditto.
3504 (function_arg_32): Ditto.
3505 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
3506 mmx_addv1di3 insn pattern.
3507 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
3508 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
3509 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
3510 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
3511 Remove definitions of built-in functions.
3512 (V1DI_type_node): New node.
3513 (v1di_ftype_v1di_int): Ditto.
3514 (v1di_ftype_v1di_v1di): Ditto.
3515 (v2si_ftype_v2si_si): Ditto.
3516 (v4hi_ftype_v4hi_di): Remove node.
3517 (v2si_ftype_v2si_di): Ditto.
3518 (ix86_init_mmx_sse_builtins): Handle V1DImode.
3519 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
3520 Redefine builtins using def_builtin_const with *_ftype_*_int node.
3521 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
3522 Add new builtins using def_builtin_const.
3523 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
3524 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
3525 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
3526 * config/i386/mmintrin.h (__v1di): New typedef.
3527 (_mm_add_si64): Cast arguments to __v1di type.
3528 (_mm_sub_si64): Ditto.
3529 (_mm_sll_pi16): Cast __count to __v4hi type.
3530 (_mm_sll_pi32): Cast __count to __v2si type.
3531 (_mm_sll_si64): Cast arguments to __v1di type.
3532 (_mm_srl_pi16): Cast __count to __v4hi type.
3533 (_mm_srl_pi32): Cast __count to __v2si type.
3534 (_mm_srl_si64): Cast arguments to __v1di type.
3535 (_mm_sra_pi16): Cast __count to __v4hi type.
3536 (_mm_sra_pi32): Cast __count to __v2si type.
3537 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
3538 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
3539 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
3540 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
3541 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
3542 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
3543 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
3544 (_mm_srai_pi32): Use __builtin_ia32_psradi.
3545 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
3546 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
3547 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
3548 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
3550 2008-03-07 Joseph Myers <joseph@codesourcery.com>
3552 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
3554 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
3556 PR target/35373
3557 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
3558 reg+const addressing for Altivec modes. Don't generate reg+reg
3559 addressing for TFmode or TDmode quantities.
3561 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
3563 * c-common.c (vector_types_convertible_p): Call langhook
3564 instead of comptypes.
3566 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3568 PR tree-opt/35402
3569 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
3570 integral and scalar float variables which have a
3571 NULL DECL_INITIAL.
3573 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
3575 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
3576 dwarf_register_span hook when emitting unwind information for
3577 register-to-memory saves.
3578 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
3579 (rs6000_frame_related): Remove call to spe_synthesize_frame.
3581 2008-03-06 Jakub Jelinek <jakub@redhat.com>
3583 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
3584 for the same VAR_DECL.
3586 2008-03-06 Tom Tromey <tromey@redhat.com>
3588 * treelang: Delete.
3589 * doc/standards.texi (Standards): Don't mention treelang.
3590 * doc/invoke.texi (Overall Options): Don't mention treelang.
3591 * doc/install.texi (Prerequisites): Don't mention bison or
3592 treelang.
3593 (Configuration): Don't mention treelang.
3594 (Building): Likewise.
3595 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
3597 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
3599 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
3600 word-extractions out of a multi-word object.
3602 2008-03-06 Richard Guenther <rguenther@suse.de>
3604 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
3605 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
3606 result type and precision.
3607 * expr.c (get_inner_reference): Set unsignedp based on the result
3608 type of BIT_FIELD_REF.
3609 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
3610 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
3611 (try_instantiate_multiple_fields): Likewise. Use the correct type
3612 for BIT_FIELD_REF.
3613 (sra_build_assignment): Likewise.
3614 (sra_build_elt_assignment): Likewise.
3615 (sra_explode_bitfield_assignment): Likewise.
3616 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
3617 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
3618 set BIT_FIELD_REF_UNSIGNED.
3619 (vectorizable_load): Likewise.
3621 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
3623 * cse.c (cse_extended_basic_block): Invalidate artificial defs
3624 at bb start.
3626 2008-03-06 Richard Guenther <rguenther@suse.de>
3628 * alias.c (struct alias_set_entry): Move has_zero_child field
3629 to pack with alias_set.
3631 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
3633 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3634 32bit host.
3636 2008-03-05 Ian Lance Taylor <iant@google.com>
3638 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
3640 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
3642 * fwprop.c (update_df): Support width and offset parameters of
3643 df_ref_create.
3644 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
3645 global_conflicts): Change DF_REF_EXTRACT to either
3646 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3647 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3648 * df-scan.c (df_ref_record, df_defs_record,
3649 df_ref_create_structure, df_def_record_1, df_uses_record,
3650 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
3651 df_bb_refs_collect, df_entry_block_defs_collect,
3652 df_exit_block_uses_collect): Support new width and offset fields.
3653 (ref_extract_pool): New storage pool.
3654 (df_free_ref): New function.
3655 (df_reg_chain_unlink, df_free_collection_rec,
3656 df_sort_and_compress_refs): Call df_free_ref.
3657 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
3658 of df_ref_extract.
3659 (df_ref_create_structure): Allocate df_ref_extract if offset and
3660 width fields are used.
3661 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
3662 (df_uses_record): Get offset and width from ZERO_EXTRACT
3663 and SIGN_EXTRACT.
3664 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
3665 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3666 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3667 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
3668 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3669 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3670 (df_ref_extract): New structure.
3671 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
3672 (df_ref_create): Add width and offset parameters.
3674 2008-03-05 Richard Guenther <rguenther@suse.de>
3676 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3677 Use ranges_overlap_p.
3678 (offset_overlaps_with_access): Rename
3679 to ranges_overlap_p and move ...
3680 * tree-flow-inline.h (ranges_overlap_p): ... here.
3682 * tree.h (get_inner_reference, handled_component_p): Update
3683 comments.
3685 * tree.h (record_component_aliases, get_alias_set,
3686 alias_sets_conflict_p, alias_sets_must_conflict_p,
3687 objects_must_conflict_p): Move declarations ...
3688 * alias.h (record_component_aliases, get_alias_set,
3689 alias_sets_conflict_p, alias_sets_must_conflict_p,
3690 objects_must_conflict_p): ... here.
3691 Include coretypes.h.
3692 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
3694 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
3696 * cfg.c: Include tree-flow.h.
3697 (remove_edge_raw): Call redirect_edge_var_map_clear.
3698 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
3699 * tree-flow-inline.h (redirect_edge_var_map_def): New.
3700 (redirect_edge_var_map_result): New.
3701 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
3702 PENDING_STMT use with redirect_edge_var_map_*.
3703 * tree-ssa.c (edge_var_maps): New definition.
3704 (redirect_edge_var_map_add): New.
3705 (redirect_edge_var_map_clear): New.
3706 (redirect_edge_var_map_dup): New.
3707 (redirect_edge_var_map_vector): New.
3708 (redirect_edge_var_map_destroy): New.
3709 (ssa_redirect_edge): Replace PENDING_STMT use with
3710 redirect_edge_var_map_*.
3711 (flush_pending_stmts): Same.
3712 (delete_tree_ssa): Destroy edge var map.
3713 * tree-flow.h (struct _edge_var_map): New.
3714 Define edge_var_map vector type.
3715 Declare redirect_edge_var_map_* prototypes.
3716 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
3717 * tree-cfg.c (reinstall_phi_args): Replace
3718 PENDING_STMT use with redirect_edge_var_map_*.
3720 2008-03-05 Richard Guenther <rguenther@suse.de>
3722 PR tree-optimization/35472
3723 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
3724 whose single use_stmt has a overlapping set of loaded and
3725 stored symbols as that use_stmt might be a noop assignment then.
3727 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3729 * gthr-rtems.h: Implement __gthread_mutex_destroy.
3731 2008-03-05 Richard Guenther <rguenther@suse.de>
3733 PR c++/35336
3734 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
3735 should be constants.
3736 * tree-cfg.c (verify_expr): Verify it.
3737 * fold-const.c (fold_truthop): Remove code generating
3738 BIT_FIELD_REFs of structure bases.
3739 (fold_binary): Likewise.
3740 (fold_ternary): Position and size of BIT_FIELD_REFs are
3741 always host integers.
3742 (make_bit_field_ref): Remove.
3743 (optimize_bit_field_compare): Remove.
3744 (all_ones_mask_p): Remove.
3746 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
3748 PR gcc/33009
3749 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
3750 (split_block_and_df_analyze): New. Split basic block and rebuild
3751 dataflow.
3752 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
3753 SPLIT_BLOCK.
3754 (split_pattern_seq): Likewise.
3755 (erase_matching_seqs): Likewise.
3756 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
3758 2008-03-04 Geoff Keating <geoffk@apple.com>
3760 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
3761 declaration and code.
3762 (tree_invalid_nonnegative_warnv_p): Likewise.
3764 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3766 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
3767 examples. Truncate option-names then causing overfull hbox.
3769 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3771 PR target/35222
3772 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
3773 on hpux10.
3774 * configure: Rebuilt.
3776 2008-03-04 Rafael Espindola <espindola@google.com>
3778 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
3779 (tree_unary_nonnegative_warnv_p): New.
3780 (tree_binary_nonnegative_warnv_p): New.
3781 (tree_single_nonnegative_warnv_p): New.
3782 (tree_invalid_nonnegative_warnv_p): New.
3783 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
3785 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3787 PR 28322
3788 * opts.c (handle_option): Postpone 'unknown option' errors only for
3789 warning options.
3791 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
3793 PR target/35453
3794 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
3795 (_SIDD_XXX): This.
3797 2008-03-04 Rafael Espindola <espindola@google.com>
3799 * fold-const.c (tree_unary_nonzero_warnv_p): New.
3800 (tree_binary_nonzero_warnv_p): New.
3801 (tree_single_nonzero_warnv_p): New.
3802 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
3804 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
3806 PR middle-end/35456
3807 * fold-const.c (fold_cond_expr_with_comparison): Prevent
3808 transformations for modes that have signed zeros.
3809 * ifcvt.c (noce_try_abs): Ditto.
3811 2008-03-04 Joseph Myers <joseph@codesourcery.com>
3813 * config/i386/i386.c (override_options): Force
3814 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
3816 2008-03-04 Jan Hubicka <jh@suse.cz>
3818 PR c++/35262
3819 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
3820 in last commit.
3822 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
3824 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
3825 label to probe the stack.
3827 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
3829 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
3830 (__gthr_win32_mutex_destroy): Declare.
3831 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
3832 __gthr_win32_mutex_destroy.
3833 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
3835 2008-03-03 Jan Hubicka <jh@suse.cz>
3837 PR c++/35262
3838 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
3839 aggressive on inlining cold calls.
3841 2008-03-03 Richard Guenther <rguenther@suse.de>
3843 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
3844 struct copies into the expression table.
3845 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
3846 (try_to_simplify): Likewise.
3847 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
3848 integral and pointer arguments which do not change the
3849 precision to NOP_EXPRs.
3850 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
3851 VIEW_CONVERT_EXPR case.
3853 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
3855 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
3856 defined in a loop at depth 0 is invariant.
3857 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
3858 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
3859 be called at loop depth 0.
3861 2008-03-02 Jakub Jelinek <jakub@redhat.com>
3863 PR driver/35420
3864 * gcc.c (process_command): Update copyright notice dates.
3865 * gcov.c (print_version): Likewise.
3866 * gcov-dump.c (print_version): Likewise.
3867 * mips-tfile.c (main): Likewise.
3868 * mips-tdump.c (main): Likewise.
3870 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3872 PR 24924
3873 * c-common.c (flag_permissive): Delete.
3874 (constant_expression_warnings): Check flags first.
3875 (constant_expression_error): New.
3876 * c-common.h (flag_permissive): Delete.
3877 (constant_expression_error): Declare.
3878 * flags.h (flag_permissive): Declare. Update description.
3879 * diagnostic.c (pedwarn): Update.
3880 (permerror): New.
3881 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
3882 (permissive_error_kind): New.
3883 * toplev.c (flag_permissive): Define. Update description.
3884 * toplev.h (permissive_error_kind): Declare.
3885 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
3886 (pedwarn_c90): Use pedantic_warning_kind.
3887 * c-opts.c (c_common_post_options): flag_permissive does not affect
3888 flag_pedantic_errors.
3890 2008-03-02 Joseph Myers <joseph@codesourcery.com>
3892 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
3893 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
3894 __absvsi2, __absvDI2): Use unsigned arithmetic.
3896 2008-03-02 Andi Kleen <ak@suse.de>
3897 Richard Guenther <rguenther@suse.de>
3899 * struct-equiv.c: Remove file.
3900 * cfg_cleanup.c (condjump_equiv_p): Remove.
3901 * Makefile.in (OBJS-common): Remove struct-equiv.o.
3902 (struct-equiv.o): Remove rule.
3903 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
3904 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
3905 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
3907 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3909 * ifcvt.c (noce_process_if_block): Try to handle only the then
3910 block if the else block exists but isn't suitable.
3912 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
3914 PR gcc/35063
3915 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
3916 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
3917 regression from previous patch.
3919 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
3921 PR gcc/35063
3922 * gthr.h: Add __gthread_mutex_destroy as a function that must be
3923 implemented.
3924 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
3925 * gthr-single.h (__gthread_mutex_destroy): Likewise.
3926 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
3927 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
3928 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
3929 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
3930 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
3931 (__gthread_mutex_destroy_function): Rename to
3932 __gthread_mutex_destroy.
3933 * gthr-dce.h (__gthread_mutex_destroy): Call
3934 pthread_mutex_destroy.
3935 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
3936 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
3937 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
3939 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3941 * df-scan.c (df_ref_chain_change_bb): Simplify.
3942 (df_insn_change_bb): Add new_bb argument. Simplify. Call
3943 set_block_for_insn if there's any change.
3944 * df.h ((df_insn_change_bb): Fix prototype.
3945 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
3946 df_insn_change_bb, don't call set_block_for_insn.
3947 * emit-rtl.c (reorder_insns): Likewise.
3948 * haifa-sched.c (move_insn): Likewise.
3950 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3952 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
3954 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3956 * tree-flow-inline.h (next_readonly_imm_use): Return
3957 NULL_USE_OPERAND_P after the end.
3959 2008-03-01 Richard Guenther <rguenther@suse.de>
3961 PR tree-optimization/35411
3962 * tree-sra.c (sra_build_assignment): Split conversion to
3963 final type to a separate statement if we are not assigning
3964 to a register.
3966 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3968 * fold-const.c (fold_convertible_p): Correct the logic to follow
3969 that in fold_convert().
3971 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
3973 PR c++/35315
3974 * tree-inline.c (build_duplicate_type): When we make a
3975 duplicate type, make it unique in the canonical types system.
3977 2008-02-29 Tom Tromey <tromey@redhat.com>
3979 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
3980 input_file_stack_history, input_file_stack_restored): Remove.
3981 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3982 * input.h (struct file_stack): Remove.
3983 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3984 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
3985 Likewise.
3986 * diagnostic.h (struct diagnostic_context) <last_module>: Change
3987 type.
3988 (diagnostic_last_module_changed): Add 'map' argument.
3989 (diagnostic_set_last_function): Likewise.
3990 * diagnostic.c (undiagnostic_report_current_module): Iterate using
3991 line map, not input_file_stack.
3992 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
3994 2008-02-29 Paul Brook <paul@codesourcery.com>
3996 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
3998 2008-02-29 Paul Brook <paul@codesourcery.com>
4000 * config/arm/ieee754-df.S (muldf3): Use RET macros.
4002 2008-02-29 Richard Guenther <rguenther@suse.de>
4004 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
4005 vn_lookup_or_add.
4006 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
4007 value for comparing for a store match.
4008 (simplify_unary_expression): Do nothing for SSA_NAMEs.
4009 (try_to_simplify): Do not do a full-blown reference lookup.
4011 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
4013 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
4014 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4016 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
4018 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
4020 * tree-loop-linear.c (try_interchange_loops): Compare memory access
4021 strides against cache sizes.
4023 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
4025 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
4026 constant to fpul.
4028 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
4030 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
4031 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
4032 is smaller than the original promoted value.
4033 (simplify_subreg): If OP is a SUBREG, try to preserve its
4034 SUBREG_PROMOTED_VAR_P information.
4036 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4038 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
4039 (VN_INFO_GET): Allocate new objects on the obstack.
4040 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
4041 for rpo_numbers_temp, for consistency.
4042 (free_scc_vn): Free the obstack.
4044 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
4046 * doc/invoke.texi: Document -ftree-loop-distribution.
4047 * tree-loop-distribution.c: New.
4048 * tree-pass.h (pass_loop_distribution): New.
4049 * graphds.h (struct graph): Add htab_t indices.
4050 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
4051 * tree-vectorizer.c (rename_variables_in_loop): Extern.
4052 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
4053 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
4054 * tree-data-ref.c (debug_data_dependence_relations): New.
4055 (dump_data_dependence_relation): Also print data references.
4056 (free_data_ref): Extern.
4057 (same_access_functions): Moved...
4058 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
4059 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
4060 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
4061 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
4062 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
4063 (stmts_from_loop): Skip LABEL_EXPR.
4064 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
4065 New.
4066 (build_rdg): Initialize rdg->indices htab.
4067 (free_rdg, stores_from_loop, ref_base_address,
4068 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
4069 have_similar_memory_accesses_1, ref_base_address_1,
4070 remove_similar_memory_refs): New.
4071 * tree-data-ref.h: Depend on tree-chrec.h.
4072 (debug_data_dependence_relations, free_data_ref): Declared.
4073 (same_access_functions): ... here.
4074 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
4075 New.
4076 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
4077 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
4078 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
4079 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
4080 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
4081 rdg_vertex_for_stmt): Declared.
4082 (struct rdg_edge): Add level.
4083 (RDGE_LEVEL): New.
4084 (free_rdg, stores_from_loop, remove_similar_memory_refs,
4085 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
4086 Declared.
4087 (rdg_has_similar_memory_accesses): New.
4088 * tree-vect-analyze.c: Remove unused static decls.
4089 * lambda.h (dependence_level): New.
4090 * common.opt (ftree-loop-distribution): New.
4091 * tree-flow.h (mark_virtual_ops_in_bb,
4092 slpeel_tree_duplicate_loop_to_edge_cfg,
4093 rename_variables_in_loop): Declared.
4094 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
4095 (OBJS-common): Add tree-loop-distribution.o.
4096 (tree-loop-distribution.o): New rule.
4097 * tree-cfg.c (mark_virtual_ops_in_bb): New.
4098 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
4099 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
4101 2008-02-28 Joseph Myers <joseph@codesourcery.com>
4103 PR target/33963
4104 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
4105 other than structures and unions.
4107 2008-02-28 Richard Guenther <rguenther@suse.de>
4109 Revert:
4110 2008-02-26 Richard Guenther <rguenther@suse.de>
4112 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4113 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4114 (lookup_decl_from_uid): Declare.
4115 (remove_decl_from_map): Likewise.
4116 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4117 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4118 (decl_for_uid_map): New global hashtable mapping DECL_UID
4119 to the decl tree.
4120 (init_ttree): Allocate it.
4121 (insert_decl_to_uid_decl_map): New helper function.
4122 (make_node_stat): Insert new decls into the map.
4123 (copy_node_stat): Likewise.
4124 (lookup_decl_from_uid): New function.
4125 (remove_decl_from_map): Likewise.
4126 (print_decl_for_uid_map_statistics): New helper.
4127 (dump_tree_statistics): Call it.
4129 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4130 (referenced_var_iterator): Adjust.
4131 (FOR_EACH_REFERENCED_VAR): Adjust.
4132 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4133 (num_referenced_vars): Adjust.
4134 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4135 (first_referenced_var): Remove.
4136 (end_referenced_vars_p): Likewise.
4137 (next_referenced_var): Likewise.
4138 (referenced_var_iterator_set): New helper function.
4139 * tree-dfa.c (referenced_var_lookup): Adjust.
4140 (referenced_var_check_and_insert): Likewise.
4141 (remove_referenced_var): Likewise.
4142 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4143 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4144 (verify_call_clobbering): Likewise.
4145 (verify_memory_partitions): Likewise.
4146 (init_tree_ssa): Allocate bitmap instead of hashtable for
4147 referenced_vars.
4148 (delete_tree_ssa): Adjust.
4149 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4150 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4151 (compute_tag_properties): Likewise.
4152 (set_initial_properties): Likewise.
4153 (find_partition_for): Likewise.
4154 (update_reference_counts): Likewise.
4155 (dump_may_aliases_for): Likewise.
4156 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4157 (add_call_clobber_ops): Likewise.
4158 (add_call_read_ops): Likewise.
4159 (get_asm_expr_operands): Likewise.
4160 * tree-into-ssa.c (dump_decl_set): Likewise.
4161 (update_ssa): Likewise.
4162 * tree-sra.c (scan_function): Likewise.
4163 (decide_instantiations): Likewise.
4164 (scalarize_parms): Likewise.
4165 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4166 (dsa_named_for): Likewise.
4167 * tree-ssa-structalias.c (update_alias_info): Likewise.
4168 (merge_smts_into): Likewise.
4170 2008-02-27 David Daney <ddaney@avtrex.com>
4172 PR target/34409
4173 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
4174 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
4175 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
4176 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
4177 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
4179 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
4181 PR target/25477
4182 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
4183 (BUILT_IN_NEXTTOWARD): Remove.
4184 (BUILT_IN_NEXTTOWARDF): Ditto.
4185 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
4186 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
4188 2008-02-27 Tom Tromey <tromey@redhat.com>
4190 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
4191 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
4193 2008-02-27 Jan Beulich <jbeulich@novell.com>
4195 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
4196 update the respective field on newdecl.
4198 2008-02-27 Revital Eres <eres@il.ibm.com>
4200 PR rtl-optimization/34999
4201 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
4202 crossing edges that ends with a call insn.
4203 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
4204 call insn and clear the EDGE_CROSSING flag of the crossing edge
4205 when fixing fallthru edges.
4207 2008-02-27 Richard Guenther <rguenther@suse.de>
4209 PR middle-end/35390
4210 * fold-const.c (fold_unary): Return the correct argument,
4211 converted to the result type.
4213 2008-02-27 Richard Guenther <rguenther@suse.de>
4215 PR middle-end/34971
4216 * expr.c (expand_expr_real_1): Assert on rotates that operate
4217 on partial modes.
4218 * fold-const.c (fold_binary): Use the types precision, not the
4219 bitsize of the mode if folding rotate expressions. Build rotates
4220 only for full modes.
4222 2008-02-27 Jakub Jelinek <jakub@redhat.com>
4224 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
4225 and CPP_PRAGMA_EOL.
4226 * c-pragma.c (pragma_ns_name): New typedef.
4227 (registered_pp_pragmas): New variable.
4228 (c_pp_lookup_pragma): New function.
4229 (c_register_pragma_1): If flag_preprocess_only, do nothing
4230 for non-expanded pragmas, for expanded ones push pragma's
4231 namespace and name into registered_pp_pragmas vector.
4232 (c_invoke_pragma_handler): Register OpenMP pragmas even when
4233 flag_preprocess_only, don't register GCC pch_preprocess
4234 pragma if flag_preprocess_only.
4235 * c-opts.c (c_common_init): Call init_pragma even if
4236 flag_preprocess_only.
4237 * c-pragma.c (c_pp_lookup_pragma): New prototype.
4238 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
4239 cpp_register_pragma if flag_preprocess_only.
4241 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4243 PR c/28800
4244 * c-parser.c (c_parser_translation_unit): Warn for empty
4245 translation unit, not empty source file.
4247 2008-02-26 Paul Brook <paul@codesourcery.com>
4249 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
4250 operand for Thumb-2.
4251 * config/arm/arm.h (reg_class): Add CORE_REGS.
4252 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
4253 (BASE_REG_CLASS): Use CORE_REGS.
4254 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
4255 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
4256 (REGNO_OK_FOR_INDEX_P): Exclude SP.
4257 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
4258 ARM_REGNO_OK_FOR_INDEX_P.
4259 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
4260 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
4261 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
4262 (ldm/stm peepholes): Ditto.
4263 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
4264 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
4265 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
4266 * config/arm/constraints.md: Enable "k" constraint on ARM.
4268 2008-02-27 Ben Elliston <bje@au.ibm.com>
4270 * config/rs6000/rs6000.c: Annotate cache line size field in all
4271 instances of struct processor_costs.
4273 2008-02-26 David Edelsohn <edelsohn@gnu.org>
4275 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
4276 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
4277 jump_bypass): New counters.
4278 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
4279 * dce.c (gate_ud_dce): Same.
4280 (gate_fast_dce): Same.
4281 * dse.c (gate_dse1): New function.
4282 (gate_dse2): New function.
4283 (gate_dse): Merge results of new gate functions.
4284 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
4285 (gate_handle_jump_bypass): Add dbg_cnt.
4286 (gate_handle_gcse): Add dbg_cnt.
4287 * ifcvt.c (gate_handle_if_conversion): Same.
4288 (gate_handle_if_after_combine): Same.
4289 (gate_handle_if_after_reload): Same.
4290 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
4292 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
4294 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
4295 line sizes.
4296 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
4298 2008-02-26 Jason Merrill <jason@redhat.com>
4300 PR c++/35315
4301 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
4302 alone if it's the naming decl for the type's main variant.
4304 2008-02-26 Tom Tromey <tromey@redhat.com>
4306 * system.h (USE_MAPPED_LOCATION): Poison.
4307 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
4308 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
4309 (make_goto_expr_edges): Likewise.
4310 (remove_bb): Likewise.
4311 (execute_warn_function_return): Likewise.
4312 * basic-block.h (struct edge_def) <goto_locus>: Change type to
4313 location_t.
4314 * c-common.c (fname_decl): Remove old location code.
4315 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
4316 location code.
4317 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
4318 variant.
4319 (ASM_INPUT_SOURCE_LOCATION): Likewise.
4320 (gen_rtx_ASM_INPUT): Likewise.
4321 (gen_rtx_ASM_INPUT_loc): Likewise.
4322 (get_rtx_asm_OPERANDS): Remove.
4323 * cfglayout.c (insn_locators_alloc): Remove old location code.
4324 (set_curr_insn_source_location): Likewise.
4325 (curr_insn_locator): Likewise.
4326 * print-tree.c (print_node): Remove old location code.
4327 * tree-mudflap.c (mf_varname_tree): Remove old location code.
4328 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
4329 * cfgexpand.c (expand_gimple_cond_expr): Don't use
4330 location_from_locus.
4331 (construct_exit_block): Remove old location code.
4332 * emit-rtl.c (force_next_line_note): Remove old location code.
4333 * profile.c (branch_prob): Remove old location code.
4334 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
4335 LOC_LINE): Remove old-location variants.
4336 * langhooks.c (lhd_print_error_function): Remove old location
4337 code.
4338 * configure, config.in: Rebuilt.
4339 * configure.ac (--enable-mapped-location): Remove.
4340 * c-decl.c (c_init_decl_processing): Remove old location code.
4341 (finish_function): Likewise.
4342 * recog.c (decode_asm_operands): Remove old location code.
4343 * c-pch.c (c_common_read_pch): Remove old location code.
4344 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
4345 variants.
4346 * gimple-low.c (lower_function_body): Remove old location code.
4347 * toplev.c (unknown_location): Remove.
4348 (push_srcloc): Remove old-location variant.
4349 (process_options): Remove old location code.
4350 (lang_dependent_init): Likewise.
4351 * input.h (UNKNOWN_LOCATION): Move definition.
4352 (location_t): Undeprecate.
4353 (source_locus): Remove.
4354 (location_from_locus): Remove.
4355 (struct location_s): Remove.
4356 Remove all old-location code.
4357 (input_line, input_filename): Remove.
4358 * final.c (final_scan_insn): Remove old location code.
4359 * diagnostic.c (diagnostic_build_prefix): Remove
4360 USE_MAPPED_LOCATION test.
4361 * tree.h (gimple_stmt) <locus>: Now a location_t.
4362 (tree_exp) <locus>: Likewise.
4363 (DECL_IS_BUILTIN): Remove old-location variant.
4364 (annotate_with_file_line, annotate_with_locus): Likewise.
4365 (expr_locus, set_expr_locus): Update.
4366 * tree.c (build1_stat): Remove old location code.
4367 (last_annotated_node): Remove.
4368 (annotate_with_file_line): Remove old-location variant.
4369 (annotate_with_locus): Likewise.
4370 (expr_location): Remove old location code.
4371 (set_expr_location): Likewise.
4372 (expr_has_location): Likewise.
4373 (expr_locus): Likewise.
4374 (set_expr_locus): Likewise.
4375 (expr_filename): Don't use location_from_locus.
4376 (expr_lineno): Likewise.
4377 * rtl-error.c (location_for_asm): Remove old location code.
4378 * c-lex.c (cb_line_change): Remove old location code.
4379 (fe_file_change): Likewise.
4380 (cb_def_pragma): Likewise.
4381 (c_lex_with_flags): Likewise.
4382 * gengtype.c (do_typedef): Don't special-case location types.
4383 (define_location_structures): Remove.
4384 (main): Don't call define_location_structures.
4385 * tree-pretty-print.c (dump_implicit_edges): Remove old location
4386 code.
4388 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4390 PR 26264
4391 * builtins.def (BUILT_IN_STDARG_START): Remove.
4392 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
4393 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
4394 * tree-inline.c (inline_forbidden_p_1): Likewise.
4396 2008-02-26 Richard Guenther <rguenther@suse.de>
4398 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4399 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4400 (lookup_decl_from_uid): Declare.
4401 (remove_decl_from_map): Likewise.
4402 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4403 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4404 (decl_for_uid_map): New global hashtable mapping DECL_UID
4405 to the decl tree.
4406 (init_ttree): Allocate it.
4407 (insert_decl_to_uid_decl_map): New helper function.
4408 (make_node_stat): Insert new decls into the map.
4409 (copy_node_stat): Likewise.
4410 (lookup_decl_from_uid): New function.
4411 (remove_decl_from_map): Likewise.
4412 (print_decl_for_uid_map_statistics): New helper.
4413 (dump_tree_statistics): Call it.
4415 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4416 (referenced_var_iterator): Adjust.
4417 (FOR_EACH_REFERENCED_VAR): Adjust.
4418 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4419 (num_referenced_vars): Adjust.
4420 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4421 (first_referenced_var): Remove.
4422 (end_referenced_vars_p): Likewise.
4423 (next_referenced_var): Likewise.
4424 (referenced_var_iterator_set): New helper function.
4425 * tree-dfa.c (referenced_var_lookup): Adjust.
4426 (referenced_var_check_and_insert): Likewise.
4427 (remove_referenced_var): Likewise.
4428 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4429 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4430 (verify_call_clobbering): Likewise.
4431 (verify_memory_partitions): Likewise.
4432 (init_tree_ssa): Allocate bitmap instead of hashtable for
4433 referenced_vars.
4434 (delete_tree_ssa): Adjust.
4435 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4436 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4437 (compute_tag_properties): Likewise.
4438 (set_initial_properties): Likewise.
4439 (find_partition_for): Likewise.
4440 (update_reference_counts): Likewise.
4441 (dump_may_aliases_for): Likewise.
4442 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4443 (add_call_clobber_ops): Likewise.
4444 (add_call_read_ops): Likewise.
4445 (get_asm_expr_operands): Likewise.
4446 * tree-into-ssa.c (dump_decl_set): Likewise.
4447 (update_ssa): Likewise.
4448 * tree-sra.c (scan_function): Likewise.
4449 (decide_instantiations): Likewise.
4450 (scalarize_parms): Likewise.
4451 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4452 (dsa_named_for): Likewise.
4453 * tree-ssa-structalias.c (update_alias_info): Likewise.
4454 (merge_smts_into): Likewise.
4456 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4458 PR 34351
4459 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
4460 * c-opts.c (c_common_handle_option): Wall enables
4461 Wvolatile-register-var.
4462 * common.opt: Move Wvolatile-register-var to...
4463 * c.opt: ...here.
4465 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4467 * common.opt (Wlarger-than=): New.
4468 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
4469 -Wlarger-than=.
4470 * opts.c (common_handle_option): Handle -Wlarger-than=.
4471 * optc-gen.awk: Likewise.
4472 * opth-gen.awk: Likewise.
4473 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
4474 * tree-optimize.c (tree_rest_of_compilation): Likewise.
4476 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4478 * c-common.c (match_case_to_enum_1): Add appropriate
4479 OPT_W* parameter to warning.
4480 (c_do_switch_warnings): Likewise.
4481 * c-typeck.c (warning_init): Add one more parameter following
4482 'warning' function.
4483 (push_init_level): Update call to warning_init.
4484 (pop_init_level): Likewise.
4485 (add_pending_init): Likewise.
4486 (output_init_element: Likewise.
4488 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4490 PR 28322
4491 * toplev.c (toplev_main): If there are warnings or error, print
4492 errors for ignored options.
4493 * opts.c (ignored_options): New static variable.
4494 (postpone_unknown_option_error): New.
4495 (print_ignored_options): New.
4496 (handle_option): Postpone errors for unknown -Wno-* options.
4497 * opts.h (print_ignored_options): Declare.
4499 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
4501 * config/mips/mips.md (loadgp_blockage, blockage): Change type
4502 to "ghost".
4504 2008-02-25 Richard Guenther <rguenther@suse.de>
4506 Revert:
4507 2008-02-25 Richard Guenther <rguenther@suse.de>
4509 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4510 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4511 (lookup_decl_from_uid): Declare.
4512 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4513 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4514 (decl_for_uid_map): New global hashtable mapping DECL_UID
4515 to the decl tree.
4516 (init_ttree): Allocate it.
4517 (insert_decl_to_uid_decl_map): New helper function.
4518 (make_node_stat): Insert new decls into the map.
4519 (copy_node_stat): Likewise.
4520 (lookup_decl_from_uid): New function.
4521 (print_decl_for_uid_map_statistics): New helper.
4522 (dump_tree_statistics): Call it.
4524 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4525 (referenced_var_iterator): Adjust.
4526 (FOR_EACH_REFERENCED_VAR): Adjust.
4527 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4528 (num_referenced_vars): Adjust.
4529 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4530 (first_referenced_var): Remove.
4531 (end_referenced_vars_p): Likewise.
4532 (next_referenced_var): Likewise.
4533 (referenced_var_iterator_set): New helper function.
4534 * tree-dfa.c (referenced_var_lookup): Adjust.
4535 (referenced_var_check_and_insert): Likewise.
4536 (remove_referenced_var): Likewise.
4537 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4538 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4539 (verify_call_clobbering): Likewise.
4540 (verify_memory_partitions): Likewise.
4541 (init_tree_ssa): Allocate bitmap instead of hashtable for
4542 referenced_vars.
4543 (delete_tree_ssa): Adjust.
4544 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4545 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4546 (compute_tag_properties): Likewise.
4547 (set_initial_properties): Likewise.
4548 (find_partition_for): Likewise.
4549 (update_reference_counts): Likewise.
4550 (dump_may_aliases_for): Likewise.
4551 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4552 (add_call_clobber_ops): Likewise.
4553 (add_call_read_ops): Likewise.
4554 (get_asm_expr_operands): Likewise.
4555 * tree-into-ssa.c (dump_decl_set): Likewise.
4556 (update_ssa): Likewise.
4557 * tree-sra.c (scan_function): Likewise.
4558 (decide_instantiations): Likewise.
4559 (scalarize_parms): Likewise.
4560 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4561 (dsa_named_for): Likewise.
4562 * tree-ssa-structalias.c (update_alias_info): Likewise.
4563 (merge_smts_into): Likewise.
4565 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
4567 PR fortran/29549
4568 * doc/invoke.texi (-fcx-limited-range): Document new option.
4569 * toplev.c (process_options): Handle -fcx-fortran-rules.
4570 * common.opt: Add documentation for -fcx-fortran-rules.
4572 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
4574 PR c/35162
4575 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
4576 actual behaviour and C99.
4578 2008-02-26 Ben Elliston <bje@au.ibm.com>
4580 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
4581 (ASM_CPU_POWER6_SPEC): Likewise.
4582 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
4583 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
4584 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
4586 2008-02-25 Richard Guenther <rguenther@suse.de>
4588 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4589 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4590 (lookup_decl_from_uid): Declare.
4591 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4592 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4593 (decl_for_uid_map): New global hashtable mapping DECL_UID
4594 to the decl tree.
4595 (init_ttree): Allocate it.
4596 (insert_decl_to_uid_decl_map): New helper function.
4597 (make_node_stat): Insert new decls into the map.
4598 (copy_node_stat): Likewise.
4599 (lookup_decl_from_uid): New function.
4600 (print_decl_for_uid_map_statistics): New helper.
4601 (dump_tree_statistics): Call it.
4603 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4604 (referenced_var_iterator): Adjust.
4605 (FOR_EACH_REFERENCED_VAR): Adjust.
4606 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4607 (num_referenced_vars): Adjust.
4608 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4609 (first_referenced_var): Remove.
4610 (end_referenced_vars_p): Likewise.
4611 (next_referenced_var): Likewise.
4612 (referenced_var_iterator_set): New helper function.
4613 * tree-dfa.c (referenced_var_lookup): Adjust.
4614 (referenced_var_check_and_insert): Likewise.
4615 (remove_referenced_var): Likewise.
4616 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4617 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4618 (verify_call_clobbering): Likewise.
4619 (verify_memory_partitions): Likewise.
4620 (init_tree_ssa): Allocate bitmap instead of hashtable for
4621 referenced_vars.
4622 (delete_tree_ssa): Adjust.
4623 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4624 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4625 (compute_tag_properties): Likewise.
4626 (set_initial_properties): Likewise.
4627 (find_partition_for): Likewise.
4628 (update_reference_counts): Likewise.
4629 (dump_may_aliases_for): Likewise.
4630 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4631 (add_call_clobber_ops): Likewise.
4632 (add_call_read_ops): Likewise.
4633 (get_asm_expr_operands): Likewise.
4634 * tree-into-ssa.c (dump_decl_set): Likewise.
4635 (update_ssa): Likewise.
4636 * tree-sra.c (scan_function): Likewise.
4637 (decide_instantiations): Likewise.
4638 (scalarize_parms): Likewise.
4639 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4640 (dsa_named_for): Likewise.
4641 * tree-ssa-structalias.c (update_alias_info): Likewise.
4642 (merge_smts_into): Likewise.
4644 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
4646 PR target/35258
4647 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
4648 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
4649 * alias.h (nonoverlapping_memrefs_p): Likewise.
4651 2008-02-25 Jan Beulich <jbeulich@novell.com>
4653 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
4654 * config/i386/netware-libgcc.exp: Add __bswap?i2,
4655 __emultls_get_address, __emultls_register_common,
4656 __floatundi?f, and _Unwind_GetIPInfo.
4657 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
4658 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
4659 (gen_regparm_prefix): Likewise.
4660 (i386_nlm_encode_section_info): Sync with
4661 config/i386/winnt.c:i386_pe_encode_section_info().
4662 (i386_nlm_maybe_mangle_decl_assembler_name): New.
4663 i386_nlm_mangle_decl_assembler_name): New.
4664 (netware_override_options): New.
4665 * config/i386/netware.h (netware_override_options): Declare.
4666 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
4667 (i386_nlm_mangle_decl_assembler_name): Declare.
4668 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
4670 2008-02-25 Ben Elliston <bje@au.ibm.com>
4672 PR other/32948
4673 * c-decl.c (grokdeclarator): Remove unused local variables
4674 `typedef_type' and `type_as_written'.
4675 * bb-reorder.c
4676 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
4677 unused local variable `has_hot_blocks'.
4678 (fix_crossing_conditional_branches): Remove unused local variable
4679 `prev_bb'.
4681 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
4683 PR middle-end/19984
4684 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
4685 using DEF_C99_BUILTIN.
4686 (BUILT_IN_NANF): Ditto.
4687 (BUILT_IN_NANL): Ditto.
4689 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
4690 Revital Eres <eres@il.ibm.com>
4692 * modulo-sched.c (calculate_must_precede_follow): Address TODO
4693 regarding the order of two dependent insns in the same row.
4695 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
4697 * stor-layout.c (layout_decl): Do not bump the alignment of a
4698 bit-field to more than byte alignment if it is packed.
4700 2008-02-24 David Edelsohn <edelsohn@gnu.org>
4702 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
4703 e300c2 and e300c3.
4705 2008-02-24 Diego Novillo <dnovillo@google.com>
4707 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
4709 PR 33738
4710 * tree-vrp.c (vrp_evaluate_conditional): With
4711 -Wtype-limits, emit a warning when comparing against a
4712 constant outside the natural range of OP0's type.
4713 * c.opt (Wtype-limits): Move ...
4714 * common.opt (Wtype-limits): ... here.
4716 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
4718 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
4719 * config/rs6000/e300c2c3.md: New file.
4720 * config/rs6000/rs6000.c (processor_costs): Add new costs for
4721 e300c2 and e300c3.
4722 (rs6000_override_options): Add e300c2 and e300c3 cases to
4723 processor_target_table. Do not allow usage of Altivec or Spe
4724 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
4725 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
4726 * config/rs6000/rs6000.h (processor_type): Add
4727 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
4728 (ASM_CPU_SPEC): Add e300c2 and e300c3.
4729 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
4730 and ppce300c3. Include e300c2c3.md.
4732 2008-02-23 David Edelsohn <edelsohn@gnu.org>
4734 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
4735 instead of TARGET_STRICT_ALIGN.
4737 2008-02-23 Joseph Myers <joseph@codesourcery.com>
4739 * explow.c (memory_address): Assert that the generated address is
4740 valid.
4742 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4744 PR target/25477
4745 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
4746 * config/darwin-ppc-ldouble-patch.def: New file.
4747 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
4748 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
4749 SUBTARGET_INIT_BUILTINS if defined.
4750 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
4751 New functions.
4753 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
4755 PR rtl-opt/33512
4756 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
4757 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
4759 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
4761 PR pch/35027
4762 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
4763 file" warning condtional on -Winvalid-PCH.
4765 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
4767 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
4769 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
4771 PR target/22076
4772 PR target/34256
4773 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
4774 prevent reload from using MMX registers.
4775 (*mov<mode>_internal): Ditto.
4776 (*movv2sf_internal_rex64): Ditto.
4777 (*movv2sf_internal): Ditto.
4779 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4781 PR documentation/31569
4782 * doc/install.texi2html: Use makeinfo --no-number-sections.
4784 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4786 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
4787 ensure that we can address an entire entity > 8 bytes. Don't
4788 generate reg+reg addressing for such data.
4790 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4792 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
4793 strings when optimizing for size, unless the target cares about
4794 alignment.
4796 2008-02-22 Tom Tromey <tromey@redhat.com>
4798 * regclass.c (current_pass): Remove declaration.
4800 2008-02-22 Anatoly Sokolov <aesok@post.ru>
4802 * config/avr/libgcc.S (__RAMPZ__): Define.
4803 (__do_copy_data): Add for devices with 128KB code memory.
4805 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4807 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4808 Use spe_abi.
4809 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
4811 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
4813 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
4814 GENNONACR_REGS.
4816 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4818 PR c/19999
4819 * c-typeck.c (build_binary_op): Warn about floating point
4820 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
4822 2008-02-21 Janis Johnson <janis187@us.ibm.com>
4824 PR target/34526
4825 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
4826 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
4827 add vrsave.
4828 (rs6000_override_options): Set altivec_abi as default, not override,
4829 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
4830 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
4831 is used; use new member spe_abi.
4832 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
4833 spe_abi and altivec_abi.
4835 2008-02-22 Tomas Bily <tbily@suse.cz>
4837 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
4839 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4841 PR bootstrap/35273
4842 * config.build (build_file_translate): Set to `CMD //c' only if
4843 it works.
4844 * Makefile.in (build_file_translate): Improve comment.
4846 2008-02-21 Jan Hubicka <jh@suse.cz>
4848 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
4849 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
4850 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
4852 2008-02-21 Michael Matz <matz@suse.de>
4854 PR target/35264
4855 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
4857 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
4859 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
4860 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
4861 as insn constraint.
4862 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
4863 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
4864 SSE_VEC_FLOAT_MODE_P as insn constraint.
4865 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
4866 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
4867 sse4a_movntdf using MODEF mode iterator.
4868 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
4869 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
4870 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
4871 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
4872 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
4873 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
4874 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
4876 2008-02-21 Richard Guenther <rguenther@suse.de>
4878 * tree.def (PAREN_EXPR): New tree code.
4879 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
4880 and PAREN_EXPR.
4881 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
4882 * expr.c (expand_expr_real_1): Likewise.
4883 * tree-inline.c (estimate_num_insns_1): Likewise.
4884 * tree-complex.c (expand_complex_move): Likewise.
4885 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
4886 as plain x.
4888 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
4890 PR target/35225
4891 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
4893 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
4895 PR target/35190
4896 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
4898 * config/sh/sh.c (find_barrier): Don't go past
4899 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
4901 2008-02-20 DJ Delorie <dj@redhat.com>
4903 * config/h8300/h8300.md (insv): Force source operand to be a register.
4905 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
4906 as a jump, not as a plain insn.
4908 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
4910 * doc/invoke.texi (Warning Options): Add new option
4911 -Wframe-larger-than=.
4912 (-Wframe-larger-than): Document.
4914 * flags.h (warn_frame_larger_than, frame_larger_than_size):
4915 Add declarations for new option variables.
4917 * final.c (final_start_function): Check the frame size
4918 before emission and issue a Wframe-larger-than warning.
4920 * opts.c (warn_frame_larger_than, frame_larger_than_size):
4921 Add definitions for new option variables.
4922 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
4924 * common.opt (Wframe-larger-than=): New option.
4926 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
4928 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
4929 (<sse>_div<mode>3): Ditto.
4930 (<sse>_vmdiv<mode>3): Ditto.
4931 (<sse>_vmsqrt<mode>2): Ditto.
4932 (*smax<mode>3): Ditto.
4933 (sse5_frcz<mode>2): Ditto.
4934 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
4935 as insn constraint.
4937 2008-02-20 Richard Guenther <rguenther@suse.de>
4939 PR middle-end/35265
4940 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
4941 be happy with INTEGRAL_TYPE_P.
4943 2008-02-20 Richard Guenther <rguenther@suse.de>
4945 * fold-const.c (split_tree): Associate floatig-point expressions
4946 if flag_associative_math is set.
4948 2008-02-20 Richard Guenther <rguenther@suse.de>
4950 * tree.h (fold_real_zero_addition_p): Declare.
4951 * fold-const.c (fold_real_zero_addition_p): Export.
4952 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
4953 floating-point operations with zero and one.
4955 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
4957 * doc/install.texi: Correct references to CFLAGS, replacing them
4958 with BOOT_CFLAGS. Document flags used during bootstrap for
4959 target libraries.
4961 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
4963 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
4964 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
4965 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
4966 insn constraint.
4967 (smin<mode>3): Ditto from similar patterns.
4968 (smax<mode>3): Ditto.
4969 (*ieee_smin<mode>3): Ditto.
4970 (*ieee_smax<mode>3): Ditto.
4971 * config/i386/sse.md (sse): New mode attribute.
4972 (mov<mode>): Macroize expander from movv4sf and movv2df using
4973 SSEMODEF2P mode iterator.
4974 (<sse>_movnt<mode>): Ditto from similar patterns. Use
4975 SSE_VEC_FLOAT_MODE_P as insn constraint.
4976 (storent<mode>): Ditto.
4977 (storent<mode>): Macroize expander from storentsf and storentdf using
4978 MODEF mode iterator.
4979 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
4980 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
4981 (abs<mode>2): Ditto from similar patterns.
4982 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
4983 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
4984 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
4985 (<sse>_vmsqrt<mode>2): Ditto.
4986 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
4987 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
4988 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
4989 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
4990 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
4991 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
4992 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
4993 insn constraint.
4994 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
4995 iterator and SSE_FLOAT_MODE_P as insn constraint.
4996 (<sse>_ucomi): Ditto from similar patterns.
4997 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
4998 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
4999 SSE_VEC_FLOAT_MODE_P as insn constraint.
5000 (vcond<mode>): Ditto from similar patterns.
5001 (and<mode>3, *and<mode>3): Ditto.
5002 (<sse>_nand<mode>3): Ditto.
5003 (ior<mode>3, *ior<mode>3): Ditto.
5004 (xor<mode>3, *xor<mode>3): Ditto.
5005 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
5006 iterator and SSE_FLOAT_MODE_P as insn constraint.
5007 (*nand<mode>3): Ditto from similar patterns.
5008 (*ior<mode>3): Ditto.
5009 (*xor<mode>3): Ditto.
5011 2008-02-20 Ira Rosen <irar@il.ibm.com>
5013 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
5014 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
5015 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
5017 2008-02-19 Jan Hubicka <jh@suse.cz>
5019 * predict.c (tree_bb_level_predictions): Remove variable next
5020 mistakely introduced by previous commit.
5022 2008-02-19 Jan Hubicka <jh@suse.cz>
5024 * predict.c (predict_paths_leading_to): Rewrite.
5025 (predict_paths_for_bb): New.
5026 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
5028 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5030 PR bootstrap/35218
5031 * Makefile.in (build_file_translate): New.
5032 (gcc-vers.texi): Use it for translating $(abs_srcdir).
5033 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
5034 * configure.ac (build_file_translate): Substitute it.
5035 * configure: Regenerate.
5037 2008-02-19 Jan Hubicka <jh@suse.cz>
5039 PR rtl-optimization/34408
5040 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
5041 invalid sharing.
5043 2008-02-19 Jan Hubicka <jh@suse.cz>
5045 PR middle-end/28779
5046 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
5047 call_expr.
5049 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
5051 PR Ada/35186
5052 * config/i386/i386-modes.def: Revert the last DI alignment
5053 change until Ada people can look into it.
5055 2008-02-19 Nick Clifton <nickc@redhat.com>
5057 * opts.c (print_specific_help): Fix typo in --help text.
5059 2008-02-19 Jakub Jelinek <jakub@redhat.com>
5061 PR target/35239
5062 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
5063 32-bit inline asm without asm alternatives for host GCC < 3.0.
5065 2008-02-19 Richard Guenther <rguenther@suse.de>
5067 PR tree-optimization/34989
5068 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
5069 Allow propagation to INDIRECT_REF if we can simplify only.
5071 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5073 * c-common.c (warn_for_collisions_1): Use appropriate option when
5074 warning.
5076 2008-02-19 Nick Clifton <nickc@redhat.com>
5078 PR other/31349
5079 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
5080 (handle_options): Fix indentation.
5081 (print_filtered_help): If no language-specific options were
5082 displayed tell the user how to list all the options supported by
5083 the language's front-end.
5084 (print_specific_help): Fix indentation and remove duplicate line.
5085 (common_handle_option): Handle the -v option.
5086 For --help enable the display of undocumented options if the -v
5087 switch has been included on the command line.
5088 For --help= check for overlaps in the arguments between the option
5089 classes and the language names and issue a warning when they
5090 cannot be disambiguated.
5091 * c.opt (v): Pass on to the common option handler.
5093 2008-02-19 Revital Eres <eres@il.ibm.com>
5095 * modulo-sched.c (sms_schedule): Change dump message when
5096 create_ddg function fails.
5097 (try_scheduling_node_in_cycle): Rename row to cycle.
5098 (print_partial_schedule): Rename CYCLE to ROW.
5100 2008-02-19 Christian Bruel <christian.bruel@st.com>
5101 Zdenek Dvorak <ook@ucw.cz>
5103 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
5105 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
5107 PR target/33555
5108 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
5109 (*x86_movdicc_0_m1_se): Ditto.
5111 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
5113 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
5114 (CMPtype): Define as __gcc_CMPtype.
5115 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
5116 (CMPtype): Define as __gcc_CMPtype.
5118 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
5120 Support valgrind 3.3 for --enable-checking=valgrind.
5121 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
5122 here.
5123 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
5124 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
5125 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
5126 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
5127 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
5128 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
5129 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
5130 respectively.
5131 * ggc-zone.c: Similar.
5132 * ggc-page.c: Similar.
5134 2008-02-19 Paul Brook <paul@codesourcery.com>
5136 PR target/35071
5137 * config/arm/ieee754-df.S: Fix do_it typo.
5138 * config/arm/ieee754-sf.S: Fix do_it typo.
5140 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
5142 PR target/35189
5143 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
5144 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
5145 (OPTION_MASK_ISA_SSE_SET): Likewise.
5146 (OPTION_MASK_ISA_SSE2_SET): Likewise.
5147 (OPTION_MASK_ISA_SSE3_SET): Likewise.
5148 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
5149 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
5150 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
5151 (OPTION_MASK_ISA_SSE4_SET): Likewise.
5152 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
5153 (OPTION_MASK_ISA_SSE5_SET): Likewise.
5154 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
5155 (OPTION_MASK_ISA_MMX_UNSET): Updated.
5156 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
5157 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
5158 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
5159 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
5160 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
5161 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
5162 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
5163 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
5164 (OPTION_MASK_ISA_SSE4): Removed.
5165 (ix86_handle_option): Turn on bits in ix86_isa_flags and
5166 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
5167 (override_options): Don't turn on implied SSE/MMX bits in
5168 ix86_isa_flags.
5170 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
5172 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
5173 32bit host.
5175 2008-02-18 Joey Ye <joey.ye@intel.com>
5177 PR middle-end/34921
5178 * tree-nested.c (insert_field_into_struct): Set type alignment
5179 to field alignment if the former is less than the latter.
5181 2008-02-18 Jakub Jelinek <jakub@redhat.com>
5183 * BASE-VER: Set to 4.4.0.
5185 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5187 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
5188 * doc/cfg.texi: Likewise.
5189 * doc/extend.texi: Likewise.
5190 * doc/gty.texi: Likewise.
5191 * doc/invoke.texi: Likewise.
5192 * doc/loop.texi: Likewise.
5193 * doc/md.texi: Likewise.
5194 * doc/passes.texi: Likewise.
5195 * doc/rtl.texi: Likewise.
5196 * doc/sourcebuild.texi: Likewise.
5197 * doc/tm.texi: Likewise.
5198 * doc/tree-ssa.texi: Likewise.
5200 2008-02-17 Richard Guenther <rguenther@suse.de>
5202 PR middle-end/35227
5203 * tree-complex.c (init_parameter_lattice_values): Handle parameters
5204 without default definition.
5206 2008-02-17 Richard Guenther <rguenther@suse.de>
5208 PR tree-optimization/35231
5209 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
5210 if A | B != 1.
5212 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
5214 Revert:
5215 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5216 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
5217 libgcc_cmp_return mode.
5219 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5221 PR c/28368
5222 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
5224 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
5226 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
5227 multilibs.
5229 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5231 * doc/c-tree.texi: Use `@.' where appropriate.
5232 * doc/extend.texi: Likewise.
5233 * doc/install.texi: Likewise.
5234 * doc/invoke.texi: Likewise.
5235 * doc/loop.texi: Likewise.
5236 * doc/makefile.texi: Likewise.
5237 * doc/md.texi: Likewise.
5238 * doc/passes.texi: Likewise.
5239 * doc/standards.texi: Likewise.
5240 * doc/tm.texi: Likewise.
5242 2008-02-15 Jakub Jelinek <jakub@redhat.com>
5244 PR middle-end/35196
5245 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
5246 in entry_bb.
5247 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
5248 rather than in entry_bb.
5250 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5252 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
5253 libgcc_cmp_return mode.
5255 2008-02-15 Jakub Jelinek <jakub@redhat.com>
5257 PR middle-end/35130
5258 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
5259 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
5261 2008-02-15 Richard Guenther <rguenther@suse.de>
5262 Zdenek Dvorak <ook@ucw.cz>
5264 PR tree-optimization/35164
5265 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
5266 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
5267 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
5268 Only propagate addresses which do not have abnormal SSA_NAMEs
5269 in their operands.
5271 2008-02-15 Joseph Myers <joseph@codesourcery.com>
5273 PR target/35088
5274 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
5276 2008-02-15 Jan Hubicka <jh@suse.cz>
5278 PR middle-end/35149
5279 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
5281 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5283 PR middle-end/34621
5284 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
5285 when calculating alignment_pad.
5287 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5289 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
5290 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
5291 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
5292 and STACK_BOUNDARY define.
5294 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
5296 PR preprocessor/35061
5297 * c-pragma.c (handle_pragma_pop_macro): Check that
5298 pushed_macro_table has been allocated.
5300 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
5302 PR middle-end/35136
5303 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
5304 (force_gimple_operand): Likewise.
5305 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
5306 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
5307 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
5308 (find_interesting_uses_address): Check addressability and alignment
5309 of the base expression only after substituting bases of IVs into it.
5311 2008-02-14 Michael Matz <matz@suse.de>
5313 PR target/34930
5314 * function.c (instantiate_virtual_regs_in_insn): Reload address
5315 before falling back to reloading the whole operand.
5317 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
5319 * config/s390/s390.c (s390_mainpool_start): Emit the pool
5320 before the first section switch note.
5322 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5324 * doc/bugreport.texi: Update copyright years.
5325 * doc/c-tree.texi: Likewise.
5326 * doc/cfg.texi: Likewise.
5327 * doc/cpp.texi: Likewise.
5328 * doc/cppinternals.texi: Likewise.
5329 * doc/fragments.texi: Likewise.
5330 * doc/frontends.texi: Likewise.
5331 * doc/gcc.texi: Likewise.
5332 * doc/gty.texi: Likewise.
5333 * doc/hostconfig.texi: Likewise.
5334 * doc/implement-c.texi: Likewise.
5335 * doc/libgcc.texi: Likewise.
5336 * doc/loop.texi: Likewise.
5337 * doc/makefile.texi: Likewise.
5338 * doc/options.texi: Likewise.
5339 * doc/passes.texi: Likewise.
5340 * doc/rtl.texi: Likewise.
5341 * doc/sourcebuild.texi: Likewise.
5342 * doc/standards.texi: Likewise.
5343 * doc/tree-ssa.texi: Likewise.
5344 * doc/trouble.texi: Likewise.
5346 * doc/extend.texi: Use @: or add comma where appropriate.
5347 * doc/invoke.texi: Likewise.
5348 * doc/tm.texi: Likewise.
5350 2008-02-14 Alan Modra <amodra@bigpond.net.au>
5352 PR target/34393
5353 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
5354 to a reg.
5356 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
5358 * doc/md.texi (clz, ctz): Add reference.
5359 * doc/rtl.texi (clz, ctz): Likewise.
5361 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5363 PR other/35148
5364 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
5365 srcdir.
5367 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
5369 * config/s390/s390.c (struct constant_pool): New field
5370 emit_pool_after added.
5371 (s390_mainpool_start): Set the emit_pool_after flag according
5372 to the section switch notes.
5373 (s390_mainpool_finish): Consider emit_pool_after when emitting
5374 the literal pool at the end of the function.
5375 (s390_chunkify_start): Force literal pool splits at section
5376 switch notes.
5378 2008-02-13 Michael Matz <matz@suse.de>
5380 PR debug/35065
5381 * var-tracking.c (clobber_variable_part): Correctly traverse the
5382 list.
5384 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5386 PR 29673
5387 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
5388 Add -fdump-ipa-inline.
5389 * tree-dump.c (dump_files): Remove tree-inlined dump.
5390 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
5392 2008-02-12 Richard Guenther <rguenther@suse.de>
5394 PR tree-optimization/35171
5395 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
5396 default defs.
5398 2008-02-12 Richard Guenther <rguenther@suse.de>
5400 PR middle-end/35163
5401 * fold-const.c (fold_widened_comparison): Use get_unwidened in
5402 value-preserving mode. Disallow final truncation.
5404 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
5406 PR middle-end/35136
5407 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
5408 code from here to...
5409 (force_gimple_operand): ...here.
5411 2008-02-12 Jakub Jelinek <jakub@redhat.com>
5413 PR c++/35144
5414 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
5415 non-compatible pointers.
5416 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
5417 different FIELD_DECLs, try harder by comparing field offsets, sizes
5418 and types.
5420 PR inline-asm/35160
5421 * function.c (match_asm_constraints_1): Don't replace the same input
5422 multiple times.
5424 2008-02-12 Anatoly Sokolov <aesok@post.ru>
5426 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
5427 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
5428 (expand_epilogue): Restore RAMPZ register.
5429 * config/avr/avr.md (RAMPZ_ADDR): New constant.
5431 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
5433 * config/i386/cygwin.asm: (__alloca): Correct calling
5434 convention and alignment.
5435 (__chkstk): Force 8 byte stack alignment.
5437 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
5438 Richard Guenther <rguenther@suse.de>
5440 PR tree-optimization/33992
5441 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
5442 the zero we compare against.
5444 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
5446 PR libfortran/35063
5447 * gthr-win32.h (__gthread_mutex_destroy_function): New function
5448 to CloseHandle after unlocking to prevent accumulation of handle
5449 count.
5451 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5453 PR middle_end/34150
5454 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
5455 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
5456 and update LABEL_NUSES during and after reload.
5458 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
5460 PR middle-end/34627
5461 * combine.c (simplify_if_then_else): Make sure the comparison is
5462 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
5464 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
5466 PR bootstrap/35051
5467 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
5468 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
5469 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
5470 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
5471 * tree.h (get_type_static_bounds): Likewise.
5473 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5475 * doc/invoke.texi (Option Summary, C++ Dialect Options)
5476 (Objective-C and Objective-C++ Dialect Options, Warning Options):
5477 Make -Wfoo language annotations match what the compiler outputs.
5479 2008-02-08 Sa Liu <saliu@de.ibm.com>
5481 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
5482 intrinsics spu_convts, spu_convtu, spu_convtf.
5483 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
5485 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
5487 * doc/extend.texi (Function Attributes) <noinline>: Mention
5488 asm ("") as method to keep calls.
5490 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5492 PR other/32754
5493 * doc/options.texi (Options): Replace references to opts.sh with
5494 optc-gen.awk.
5495 * opts-common.c: Likewise.
5496 * optc-gen.awk: Likewise.
5498 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
5500 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
5502 2008-02-07 Richard Henderson <rth@redhat.com>
5504 PR rtl-opt/33410
5505 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
5506 EXPR_LIST for the REG_EQUAL instead of a comparison with a
5507 funny mode.
5509 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
5511 PR tree-optimization/35085
5512 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
5513 for operand entry oe2 in addition to operand entry oe3 in order to
5514 expose more opportunities for vectorizer sum reduction.
5516 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5518 PR other/35107
5519 * Makefile.in (LIBS): Remove $(GMPLIBS).
5520 (cc1-dummy, cc1): Add $(GMPLIBS).
5522 2008-02-06 Jan Hubicka <jh@suse.cz>
5524 PR target/23322
5525 * i386.md (moddf_integer): Do not produce partial memory stalls for
5526 targets where it hurts.
5528 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
5530 PR target/35083
5531 * optabs.c (expand_float): Do not check for decimal modes when
5532 expanding unsigned integer through signed conversion.
5534 2008-02-06 Nick Clifton <nickc@redhat.com>
5536 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
5537 inside the clobber with a match_operand and duplicated operand
5538 number in the constraint.
5539 (ineqbranchsi): Delete redundant comment.
5541 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
5543 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
5544 builtin_define ("__USE_INIT_FINI__").
5545 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
5546 -msx multilibs.
5547 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
5549 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5551 PR documentation/30330
5552 * doc/invoke.texi (C++ Dialect Options)
5553 (Objective-C and Objective-C++ Dialect Options, Warning Options):
5554 For each warning option -Wfoo that allows -Wno-foo, ensure both
5555 -Wfoo and -Wno-foo are listed in the option index. Fix index
5556 entry of -Wswitch-default, index -Wnormalized= including the
5557 `=', and -Wlarger-than-@var{len} including @var{len}.
5559 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
5561 * config/i386/i386.md (floatunssisf2): Use
5562 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
5563 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
5564 Macroize expander using MODEF mode iterator.
5566 2008-02-05 Diego Novillo <dnovillo@google.com>
5568 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
5570 PR 33738
5571 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
5573 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5575 PR other/35070
5576 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
5578 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
5580 PR target/35084
5581 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
5582 to indicate if a message should be generated.
5583 (init_cumulative_args): Updated.
5584 (function_value_32): Likewise.
5586 2008-02-05 Joseph Myers <joseph@codesourcery.com>
5588 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
5590 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
5592 PR target/35083
5593 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
5594 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
5596 2008-02-04 Diego Novillo <dnovillo@google.com>
5598 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
5600 PR 33738
5601 * tree-vrp.c (vrp_evaluate_conditional): With
5602 -Wtype-limits, emit a warning when comparing against a
5603 constant outside the natural range of OP0's type.
5605 2008-02-04 Richard Guenther <rguenther@suse.de>
5607 PR middle-end/33631
5608 * expr.c (count_type_elements): Give for unions instead of
5609 guessing.
5611 2008-02-04 Richard Guenther <rguenther@suse.de>
5613 PR middle-end/35043
5614 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
5615 to TYPE_DOMAINs base type instead of using bitsizetype here.
5617 2008-02-03 Jason Merrill <jason@redhat.com>
5619 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
5621 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5623 PR other/29972
5624 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
5625 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
5626 (RS/6000 and PowerPC Options): Fix typos and markup.
5627 * doc/passes.texi (Tree-SSA passes): Likewise.
5629 2008-02-02 Michael Matz <matz@suse.de>
5631 PR target/35045
5632 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
5633 from record_last_reg_set_info.
5634 (record_last_reg_set_info): Take an RTX argument, iterate over all
5635 constituent hardregs.
5636 (record_last_set_info, record_opr_changes): Change calls to
5637 new signature or to record_last_reg_set_info_regno.
5639 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
5641 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
5643 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
5645 PR rtl-optimization/34773
5646 * reg-notes.def (EQUAL): Mention significance of combination of
5647 REG_EQUAL and REG_RETVAL.
5648 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
5649 insn that has a REG_RETVAL.
5651 2008-02-01 Roger Sayle <roger@eyesopen.com>
5653 PR bootstrap/33781
5654 * configure.ac (--enable-fixed-point): Disable unless explicitly
5655 requested on IRIX.
5656 * configure: Regenerate.
5658 2008-02-01 Richard Guenther <rguenther@suse.de>
5660 PR other/35042
5661 * invoke.texi (-finline-limit): Remove no longer true parts
5662 of the documentation. Note that there is no default value.
5664 2008-02-01 Andrew Pinski <pinskia@gmail.com>
5665 Mark Mitchell <mark@codesourcery.com>
5666 Ben Elliston <bje@au.ibm.com>
5668 PR c/29326
5669 * doc/extend.texi (Other Builtins): Document.
5671 2008-01-31 Tom Browder <tom.browder@gmail.com>
5673 * doc/c-tree.texi (Types): Fix grammar.
5674 (Expression trees): Ditto.
5675 * doc/passes.texi (Tree-SSA passes): Ditto.
5677 * doc/configterms.texi (Configure Terms): Fix typo.
5678 * doc/cpp.texi (Common Predefined Macros): Ditto.
5679 * doc/md.texi (Machine Constraints): Ditto.
5681 * doc/makefile.texi (Makefile): Add comma.
5683 2008-01-31 Tom Browder <tom.browder@gmail.com>
5684 Gerald Pfeifer <gerald@pfeifer.com>
5686 * doc/sourcebuild.texi (Front End): Remove references to CVS
5687 and CVSROOT/modules.
5688 (Texinfo Manuals): Replace reference to CVS by one to SVN.
5689 (Back End): Remove reference to CVS.
5691 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
5693 PR target/34900
5694 * config/mips/mips.c (gen_load_const_gp): New function, taking a
5695 comment from...
5696 (mips16_gp_pseudo_reg): ...here.
5697 * config/mips/mips.md (load_const_gp): Replace with...
5698 (load_const_gp_<mode>): ...this :P-based insn.
5700 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5702 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
5703 options. Minor fixes.
5704 (-std): Move reference to standards closer to where language
5705 standards are first mentioned.
5707 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
5709 PR rtl-optimization/34995
5710 * reload.c (alternative_allows_const_pool_ref): Take an rtx
5711 parameter and return a bool. If the rtx parameter is nonnull,
5712 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
5713 (find_reloads): Update call accordingly. Pass the new operand
5714 if it needed no address reloads, otherwise pass null.
5716 2008-01-30 Richard Henderson <rth@redhat.com>
5718 PR c/34993
5719 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
5720 for unbounded arrays.
5722 2008-01-30 Silvius Rus <rus@google.com>
5724 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
5726 2008-01-30 Jan Hubicka <jh@suse.cz>
5728 PR target/34982
5729 * i386.c (init_cumulative_args): Use real function declaration when
5730 calling locally.
5732 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
5734 PR rtl-optimization/34998
5735 * global.c (build_insn_chain): Treat non-subreg_lowpart
5736 SUBREGs of pseudos as clobbering all the words covered by the
5737 SUBREG, not just all the bytes.
5738 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
5739 original df_ref rather than an extract parameter.
5740 (global_conflicts): Update call accordingly.
5742 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
5744 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
5745 the overflow check to make it easier to read.
5746 (__fixtfdi): Change the type of the ll member in union
5747 long_double to UDItype_x.
5749 2008-01-30 Jakub Jelinek <jakub@redhat.com>
5751 PR middle-end/34969
5752 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
5753 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
5754 * tree-inline.c (fold_marked_statements): Call
5755 cgraph_update_edges_for_call_stmt if folding a call statement.
5756 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
5757 debug_generic_stmt calls, reset it back afterwards.
5759 PR c/35017
5760 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
5761 static decls.
5762 * c-typeck.c (build_external_ref): Don't pedwarn about
5763 static vars in current function's scope.
5765 2008-01-29 Joseph Myers <joseph@codesourcery.com>
5767 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
5769 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
5771 PR c/35002
5772 * ipa-struct-reorg.c: Fix spelling.
5773 * params.def: Ditto.
5775 2008-01-29 Richard Guenther <rguenther@suse.de>
5777 PR middle-end/35006
5778 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
5779 field.
5780 * tree-inline.c (remap_type): Increment remapping_type_depth
5781 around remapping types.
5782 (copy_body_r): Only add referenced variables if they are referenced
5783 from code, not types.
5785 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
5787 PR c++/34055
5788 PR c++/34103
5789 PR c++/34219
5790 PR c++/34606
5791 PR c++/34753
5792 PR c++/34754
5793 PR c++/34755
5794 PR c++/34919
5795 PR c++/34961
5796 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
5797 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
5799 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
5801 PR target/34412
5802 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
5803 pointer for tiny stack.
5805 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
5807 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
5809 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
5811 * config/vx-common.h: Fix typo in comment.
5813 2008-01-28 Ian Lance Taylor <iant@google.com>
5815 PR c++/34862
5816 PR c++/33407
5817 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
5818 coalesce pointers if they have different DECL_NO_TBAA_P values.
5819 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
5820 between variables with different DECL_NO_TBAA_P values.
5822 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
5824 PR 31535
5825 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
5826 are not legitimate small data references on SPE targets.
5828 2008-01-28 David Daney <ddaney@avtrex.com>
5830 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
5832 2008-01-28 David Daney <ddaney@avtrex.com>
5834 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
5836 2008-01-27 Joseph Myers <joseph@codesourcery.com>
5838 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
5839 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
5840 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
5841 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
5842 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
5843 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
5844 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
5845 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
5847 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5849 * basic-block.h (condjump_equiv_p): Fix comment.
5851 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5853 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
5854 print_generic_stmt_indented): Fix comment.
5856 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5858 * configure.ac (__stack_chk_fail): Add detecion for availability
5859 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
5860 * configure: Regenerate.
5862 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
5864 PR middle-end/34688
5865 * final.c (output_addr_const): Handle TRUNCATE.
5867 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
5869 PR target/34711
5870 * tree-ssa-loop-ivopts.c (comp_cost): New type.
5871 (zero_cost, infinite_cost): New constants.
5872 (struct cost_pair): Change type of cost to comp_cost.
5873 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
5874 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
5875 New functions.
5876 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
5877 split_address_cost, ptr_difference_cost, difference_cost,
5878 get_computation_cost_at, get_computation_cost,
5879 determine_use_iv_cost_generic, determine_use_iv_cost_address,
5880 determine_use_iv_cost_condition, determine_use_iv_costs,
5881 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
5882 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
5883 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
5884 Change type of cost to comp_cost.
5885 (determine_iv_cost): Increase cost of non-original ivs, instead
5886 of decreasing the cost of original ones.
5887 (get_address_cost): Indicate the complexity of the addressing mode
5888 in comp_cost.
5889 (try_add_cand_for): Prefer using ivs not specific to some object.
5890 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
5892 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
5893 Janis Johnson <janis187@us.ibm.com>
5895 PR target/34814
5896 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
5897 (TARGET_INSTANTIATE_DECLS): Likewise.
5898 * target.h (expand_to_rtl_hook): New target hook.
5899 (instantiate_decls): Likewise.
5900 * function.c (instantiate_decl): Make non-static. Rename to...
5901 (instantiate_decl_rtl): ... this.
5902 (instantiate_expr): Use instantiate_decl_rtl.
5903 (instantiate_decls_1): Likewise.
5904 (instantiate_decls): Likewise.
5905 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
5906 * function.h (instantiate_decl_rtl): Add prototype.
5907 * cfgexpand.c (target.h): New include.
5908 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
5909 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
5910 (TARGET_INSTANTIATE_DECLS): Likewise.
5911 (TARGET_INITIALIZER): New target hooks added.
5912 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
5913 New prototype.
5914 * config/rs6000/rs6000.c (tree-flow.h): New include.
5915 (machine_function): Add sdmode_stack_slot field.
5916 (rs6000_alloc_sdmode_stack_slot): New function.
5917 (rs6000_instantiate_decls): Likewise.
5918 (rs6000_secondary_memory_needed_rtx): Likewise.
5919 (rs6000_check_sdmode): Likewise.
5920 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
5921 (TARGET_INSTANTIATE_DECLS): Likewise.
5922 (rs6000_hard_regno_mode_ok): Allow SDmode.
5923 (num_insns_constant): Likewise. Handle _Decimal32 constants.
5924 (rs6000_emit_move): Handle SDmode.
5925 (function_arg_advance): Likewise.
5926 (function_arg): Likewise.
5927 (rs6000_gimplify_va_arg): Likewise. Add special handling of
5928 SDmode var args for 32-bit compiles.
5929 (rs6000_secondary_reload_class): Handle SDmode.
5930 (rs6000_output_function_epilogue): Likewise.
5931 (rs6000_function_value): Simplify if statement.
5932 (rs6000_libcall_value): Likewise.
5933 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
5934 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
5935 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
5936 (movsd_hardfloat): New define_insn.
5937 (movsd_softfloat): Likewise.
5938 (movsd_store): Likewise.
5939 (movsd_load): Likewise.
5940 (extendsddd2): Likewise.
5941 (extendsdtd2): Likewise.
5942 (truncddsd2): Likewise.
5943 (movdd_hardfloat64): Fixup comment.
5944 (UNSPEC_MOVSD_LOAD): New constant.
5945 (UNSPEC_MOVSD_STORE): Likewise.
5947 2008-01-26 Jakub Jelinek <jakub@redhat.com>
5949 PR c++/34965
5950 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
5951 TRUTH_XOR_EXPR.
5952 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
5953 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
5954 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
5955 and TRUTH_XOR_EXPR.
5957 2008-01-26 David Edelsohn <edelsohn@gnu.org>
5959 PR target/34794
5960 * config.gcc: Separate AIX 5.3 from AIX 6.1.
5961 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5962 __LONGDOUBLE128 too.
5963 * config/rs6000/aix61.h: New file.
5965 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
5967 PR rtl-optimization/34959
5968 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
5969 popcount and parity rtxes the same mode as their operand.
5970 Truncate or extend the result to the return value's mode
5971 if necessary.
5973 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
5975 PR target/34981
5976 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
5977 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
5978 to GOT_VERSION_REGNUM.
5979 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
5980 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
5981 * config/mips/mips.c (mips_emit_call_insn): New function.
5982 (mips_call_tls_get_addr): Call mips_expand_call directly.
5983 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
5984 emit_call_insn.
5985 (mips16_build_call_stub): Likewise. Return the call insn or null.
5986 (mips_expand_call): Update the call to mips16_build_call_stub
5987 accordingly and a remove redundant condition. Assert that MIPS16
5988 stubs do not use lazy binding. Use mips_emit_call_insn and return
5989 the call insn.
5990 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
5991 TARGET_USE_GOT.
5992 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
5993 (mips_avoid_hazard): Remove hazard_set handling.
5994 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
5995 (UNSPEC_RESTORE_GP): ...this.
5996 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
5997 (FAKE_CALL_REGNO): Rename to...
5998 (GOT_VERSION_REGNUM): ...this.
5999 (type): Add "ghost" value. Add an associated insn reservation.
6000 (hazard_set): Remove.
6001 (exception_receiver): Rename to...
6002 (restore_gp): ...this and update the unspec identifier accordingly.
6003 (exception_receiver, nonlocal_got_receiver): New expanders.
6004 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
6005 FAKE_CALL_REGNO. Remove hazard_set attribute.
6006 (set_got_version, update_got_version): New patterns.
6008 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
6010 PR target/34970
6011 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
6013 2008-01-25 Joseph Myers <joseph@codesourcery.com>
6015 PR other/31955
6016 * doc/install.texi2html: Generate gcc-vers.texi.
6018 2008-01-25 DJ Delorie <dj@redhat.com>
6020 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
6022 2008-01-25 Joseph Myers <joseph@codesourcery.com>
6024 * config/c4x: Remove directory.
6025 * config.gcc (crx-*, mt-*): Mark obsolete.
6026 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
6027 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
6028 sh-*-rtemscoff*): Remove cases.
6029 * defaults.h (C4X_FLOAT_FORMAT): Remove.
6030 * real.c (encode_c4x_single, decode_c4x_single,
6031 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
6032 c4x_extended_format): Remove.
6033 * real.h (c4x_single_format, c4x_extended_format): Remove.
6034 * doc/extend.texi (interrupt, naked): Remove mention of attributes
6035 on C4x.
6036 (Pragmas): Remove comment about c4x pragmas.
6037 * doc/install.texi (c4x): Remove target-specific instructions.
6038 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
6039 * doc/md.texi (Machine Constraints): Remove C4x documentation.
6040 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
6041 refer to C4x source files as examples.
6042 (C4X_FLOAT_FORMAT): Remove documentation.
6044 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
6046 * config/bfin/bfin.c (override_options): Reorder tests so that
6047 flag_pic gets enabled for -msep-data.
6049 2008-01-25 Richard Guenther <rguenther@suse.de>
6051 PR middle-end/32244
6052 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
6053 to its bitfield precision if required.
6055 2008-01-25 Jakub Jelinek <jakub@redhat.com>
6057 PR middle-end/33880
6058 * tree-nested.c (walk_omp_for): New function.
6059 (convert_nonlocal_reference, convert_local_reference): Call
6060 walk_omp_for on OMP_FOR.
6061 (convert_call_expr): Call walk_body on OMP_FOR's
6062 OMP_FOR_PRE_INIT_BODY.
6064 2008-01-25 Richard Guenther <rguenther@suse.de>
6066 PR tree-optimization/34966
6067 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
6068 default defs and PHI_NODEs we have to insert after the
6069 defining statement.
6071 2008-01-24 Nick Clifton <nickc@redhat.com>
6073 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
6074 Provide a default definition.
6075 (LIBGCC2_UNITS_PER_WORD): Likewise.
6077 * config/stormy16/stormy16.c: Include df.h for the prototype
6078 for df_regs_ever_live_p.
6079 (xstormy16_expand_builtin_va_start): Convert the stack offset
6080 into a component_ref and then use POINTER_PLUS_EXPR to add it
6081 to the incoming_virtual_args_rtx.
6082 (xstormy16_gimplify_va_arg_expr): Rename to
6083 xstormy16_gimplify_va_arg_expr.
6084 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
6085 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
6086 xstormy16_gimplify_va_arg_expr.
6087 Fix up some formatting issues.
6089 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
6090 Move to predicates.md.
6091 (xs_hi_general_operand): Likewise.
6092 (xs_hi_nonmemory_operand): Likewise.
6093 * config/stormy16/predicates.md:
6094 (xstormy16_carry_plus_operand): New predicate.
6095 (xs_hi_general_operand): New predicate.
6096 (xs_hi_nonmemory_operand): New predicate.
6097 * config/stormy16/stormy16-protos.h:
6098 (xstormy16_carry_plus_operand): Delete prototype.
6099 (xs_hi_general_operand): Likewise.
6100 (xs_hi_nonmemory_operand): Likewise.
6102 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
6103 modifiers as they are no longer needed and they can trigger
6104 reload spill failures.
6106 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
6107 with a match_operand in order to help reload.
6109 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
6110 constraint with 'e' for the 8th alternative as this version of
6111 the mov.w instruction only accepts the lower 8 registers.
6113 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
6115 PR target/34856
6116 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
6117 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
6118 vector elements.
6120 2008-01-25 Jakub Jelinek <jakub@redhat.com>
6122 PR middle-end/33333
6123 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
6125 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
6127 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
6128 New functions.
6129 (remove_structure): Update allocations list before removing structure.
6131 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
6133 * ipa-struct-reorg.c (is_safe_cond_expr,
6134 create_new_stmts_for_cond_expr): Use integer_zerop function,
6135 that recognize not only zero-pointer, but zero-integer too.
6137 2008-01-25 Ben Elliston <bje@au.ibm.com>
6139 PR other/22232
6140 * fixproto: Escape "." in sed expression that strips leading "./".
6142 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
6144 PR driver/34904
6145 * gcc.c (SWITCH_OK): Removed.
6146 (SWITCH_LIVE): Changed to bit.
6147 (SWITCH_FALSE): Likewise.
6148 (SWITCH_IGNORE): Likewise.
6149 (switchstr): Change live_cond to unsigned int.
6150 (process_command): Replace SWITCH_OK with 0.
6151 (do_self_spec): Likewise.
6152 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
6153 (give_switch): Likewise.
6154 (used_arg): Likewise.
6155 (do_spec_1): Set the SWITCH_IGNORE bit.
6156 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
6157 bits. Set the SWITCH_LIVE bit.
6159 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
6161 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
6163 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
6165 PR tree-optimization/34472
6166 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
6167 parameter to a "bool *" and set *DATA to false if there is
6168 an unsafe access. Do not delete the structure here.
6169 (check_cond_exprs): Delete it here instead.
6170 (check_cond_exprs, exclude_cold_structs): Do not increase
6171 I when removing a structure.
6173 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
6175 PR target/34856
6176 * config/i386/i386.c (ix86_expand_vector_init): Consider only
6177 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
6179 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
6181 PR middle-end/34934
6182 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
6183 a fixed vector for stack.
6185 2008-01-24 Ben Elliston <bje@au.ibm.com>
6187 PR c++/25701
6188 * doc/gcc.texi (Software development): Add a direntry for g++.
6190 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
6192 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
6193 stale and straggling -fforce-addr comments above.
6195 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
6196 define.
6197 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
6198 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
6200 2008-01-23 Michael Matz <matz@suse.de>
6202 PR debug/34895
6203 * dwarf2out.c (force_type_die): Use modified_type_die instead of
6204 gen_type_die.
6206 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
6208 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
6209 malloc result type.
6211 2008-01-23 Anatoly Sokolov <aesok@post.ru>
6213 * config/avr/avr.c (avr_current_arch): New variable.
6214 (avr_arch_types): Add 'avr31' and 'avr51' entries.
6215 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
6216 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
6217 (avr_override_options): Init 'avr_current_arch'.
6218 (base_arch_s): Move from here...
6219 * config/avr/avr.h (base_arch_s): ... here. Add new members
6220 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
6221 'mega' to 'have_jmp_call'.
6222 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
6223 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
6224 macros.
6225 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
6226 architectures.
6227 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
6228 MULTILIB_MATCHES): (Ditto.).
6230 2008-01-23 Richard Guenther <rguenther@suse.de>
6232 PR middle-end/31529
6233 * cgraphunit.c (cgraph_reset_node): Always mark the node
6234 not reachable if it is not queued already.
6236 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
6238 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
6239 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
6240 (cputype_selected): New static variable.
6241 (bfin_handle_option): Set it if -mcpu is used.
6242 (override_option): Select default set of workarounds if no cpu type
6243 selected on the command line.
6244 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
6246 From Michael Frysinger <michael.frysinger@analog.com>
6247 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
6248 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
6250 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
6251 for bf547, bf523, bf524, and bf526.
6252 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
6253 bf526.
6254 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6255 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
6256 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
6257 __ADSPBF547__ and __ADSPBF54x__ for bf547.
6258 * doc/invoke.texi (Blackfin Options): Document that
6259 -mcpu now accept bf547, bf523, bf524, and bf526.
6261 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
6263 PR rtl-optimization/34628
6264 * combine.c (try_combine): Stop and undo after the first combination
6265 if an autoincrement side-effect on the first insn has effectively
6266 been lost.
6268 2008-01-22 David Edelsohn <edelsohn@gnu.org>
6270 PR target/34529
6271 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
6272 Offset addresses are not valid for Altivec or paired float modes.
6274 2008-01-22 Jakub Jelinek <jakub@redhat.com>
6276 PR c++/34607
6277 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
6278 if DECL_INITIAL (decl) is error_mark_node.
6280 PR c++/34914
6281 * c-common.c (handle_vector_size_attribute): Only allow
6282 integral, scalar float and fixed point types. Handle OFFSET_TYPE
6283 the same way as pointer, array etc. types.
6284 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
6286 PR c++/34917
6287 * tree.c (build_type_attribute_qual_variant): Call
6288 build_qualified_type if attributes are equal, but quals are not.
6290 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6292 PR 32102
6293 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
6294 * flags.h (warn_strict_aliasing): Remove.
6295 (warn_strict_overflow): Remove.
6296 * opts.c (warn_strict_aliasing): Remove.
6297 (warn_strict_overflow): Remove.
6298 * c-opts.c (c_common_handle_option): -Wall only sets
6299 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
6300 (c_common_post_options): Give default values to -Wstrict-aliasing
6301 and -Wstrict-overflow if they are uninitialized.
6302 * common.opt (Wstrict-aliasing): Specify Var and Init.
6303 (Wstrict-overflow): Likewise.
6305 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6307 PR rtl-optimization/26854
6308 PR rtl-optimization/34400
6309 PR rtl-optimization/34884
6310 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
6311 DF_RD->gen.
6312 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
6313 (df_rd_bb_info.expanded_lr_out): Deleted
6314 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
6315 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
6316 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
6317 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
6318 Removed code to allocate, initialize or free expanded_lr_out.
6319 (df_rd_bb_local_compute_process_def): Restructured to make more
6320 understandable.
6321 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
6322 sets if the sets are being trimmed.
6324 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
6326 PR bootstrap/32287
6327 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
6328 (as_vers): Likewise.
6329 * configure: Regenerated.
6331 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6333 PR middle-end/33092
6334 * tree-pass.h (pass_build_alias): New pass.
6335 * tree-ssa-alias.c (gate_build_alias): New.
6336 (pass_build_alias): New.
6337 * passes.c (init_optimization_passes): Add pass_build_alias after
6338 pass_create_structure_vars.
6340 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
6342 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
6343 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
6344 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
6345 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
6346 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
6347 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
6348 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
6349 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
6350 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
6351 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
6352 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
6353 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
6354 * config/s390/s390.md (FP_ALL): New mode iterator.
6355 (_d): New mode attribute.
6356 ("*signbit<mode>2>"): Changed mode of first operand.
6357 ("isinf<mode>2"): Changed mode of first operand.
6358 ("*TDC_insn"): Adaptation for DFP modes.
6360 2008-01-22 Ben Elliston <bje@au.ibm.com>
6362 * tree.c (check_qualified_type): Improve function description.
6364 2008-01-21 Jason Merrill <jason@redhat.com>
6366 PR c++/34196
6367 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
6368 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
6369 if it is set.
6371 2008-01-21 DJ Delorie <dj@redhat.com>
6373 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
6374 return zero.
6376 2008-01-21 Richard Guenther <rguenther@suse.de>
6378 PR middle-end/34856
6379 * tree-cfg.c (verify_expr): Allow all invariant expressions
6380 instead of just constant class ones as reference argument.
6381 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
6382 like any other constant.
6383 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
6385 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
6387 * regmove.c (fixup_match_1): Update call crossed frequencies.
6389 2008-01-21 Richard Guenther <rguenther@suse.de>
6391 PR c/34885
6392 * tree-inline.c (setup_one_parameter): Deal with mismatched
6393 types using a VIEW_CONVERT_EXPR.
6395 2008-01-21 Alon Dayan <alond@il.ibm.com>
6396 Olga Golovanevsky <olga@il.ibm.com>
6398 PR tree-optimization/34701
6399 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
6400 when the structure size is not a power of 2.
6402 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
6404 * doc/install.texi: Add doc for --enable-checking=df.
6406 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
6408 PR rtl-optimization/34808
6409 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
6411 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
6413 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
6414 input.
6416 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6418 PR rtl-optimization/26854
6419 PR rtl-optimization/34400
6420 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
6421 DF_RD->gen.
6422 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
6423 (df_rd_bb_info.expanded_lr_out): New.
6424 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
6425 * loop_iv.c (iv_analysis_loop_init): Ditto.
6426 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
6427 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
6428 Added code to allocate, initialize or free expanded_lr_out.
6429 (df_rd_bb_local_compute_process_def): Restructured to make
6430 more understandable.
6431 (df_rd_confluence_n): Add code to do nothing with fake edges and
6432 code to no apply invalidate_by_call sets if the sets are being trimmed.
6433 (df_lr_local_finalize): Renamed to df_lr_finalize.
6434 (df_live_local_finalize): Renamed to df_live_finalize.
6436 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
6438 PR target/34831
6439 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
6440 deciding whether to use reciprocal instructions.
6442 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
6444 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
6445 dwarf2out_note_section_used if cold_text_section is NULL.
6447 2008-01-19 Jakub Jelinek <jakub@redhat.com>
6449 PR gcov-profile/34610
6450 * tree-cfg.c (make_edges): Mark both outgoing edges from
6451 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
6452 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
6453 from OMP_FOR and OMP_CONTINUE outgoing edges.
6455 * tree-profile.c (tree_profiling): Return early if
6456 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
6457 at the end.
6458 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
6459 from cfun to child_cfun.
6460 * function.h (struct function): Add after_tree_profile bit.
6462 2008-01-19 Anatoly Sokolov <aesok@post.ru>
6464 * config/avr/avr.S (_exit): Disable interrupt.
6466 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
6467 Steven Bosscher <stevenb.gcc@gmail.com>
6469 PR rtl-optimization/26854
6470 PR rtl-optimization/34400
6471 * df-problems.c (df_live_scratch): New scratch bitmap.
6472 (df_live_alloc): Allocate df_live_scratch when doing df_live.
6473 (df_live_reset): Clear the proper bitmaps.
6474 (df_live_bb_local_compute): Only process the artificial defs once
6475 since the order is not important.
6476 (df_live_init): Init the df_live sets only with the variables
6477 found live by df_lr.
6478 (df_live_transfer_function): Use the df_lr sets to prune the
6479 df_live sets as they are being computed.
6480 (df_live_free): Free df_live_scratch.
6482 2008-01-18 Ian Lance Taylor <iant@google.com>
6484 * common.opt: Add fmerge-debug-strings.
6485 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
6486 flag_merge_debug_strings rather than flag_merge_constants.
6487 * doc/invoke.texi (Option Summary): Mention
6488 -fmerge-debug-strings.
6489 (Debugging Options): Document -fmerge-debug-strings.
6491 2008-01-18 Ian Lance Taylor <iant@google.com>
6493 PR c++/33407
6494 * tree.h (DECL_IS_OPERATOR_NEW): Define.
6495 (struct tree_function_decl): Add new field operator_new_flag.
6496 * tree-inline.c (expand_call_inline): When inlining a call to
6497 operator new, force the return value to go into a variable, and
6498 set DECL_NO_TBAA_P on that variable.
6499 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
6501 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
6503 PR debug/34484
6504 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
6505 DWARF2_DEBUGGING_INFO.
6506 (dwarf2out_note_section_used): Ditto. Add prototype.
6507 (have_multiple_function_sections, text_section_used,
6508 cold_text_section_used, *cold_text_sections): Move declarations
6509 before their uses.
6511 2008-01-17 Bob Wilson <bob.wilson@acm.org>
6513 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
6514 field and add signal_ra.
6515 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
6516 assignments to frame state pc. Move end of stack check after
6517 MD_FALLBACK_FRAME_STATE_FOR.
6518 (uw_update_context_1): Use frame state signal_regs if set, instead
6519 of checking signal_frame flag.
6520 (uw_update_context): Use frame state signal_ra if set.
6521 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
6522 * config/xtensa/linux-unwind.h: New file.
6524 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
6526 * modulo-sched.c (get_sched_window): Fix comment typo.
6528 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
6530 PR tree-optimization/34648
6531 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
6533 2008-01-17 Anatoly Sokolov <aesok@post.ru>
6535 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
6536 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
6538 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
6540 PR rtl-optimization/34400
6541 * df-core.c (df_worklist_dataflow_overeager,
6542 df_worklist_dataflow_doublequeue): New functions.
6543 (df_worklist_dataflow): Two different worklist solvers.
6544 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
6545 New param.
6547 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6549 PR testsuite/34821
6550 * doc/invoke.texi: Document the dependence on pthread for fopenmp
6551 and ftree-parallelize-loops.
6553 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
6555 PR rtl-optimization/34826
6556 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
6558 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
6560 * global.c (find_reg): Mark the eh regs as used if necessary.
6561 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
6562 * ra.h (struct allocno): no_eh_reg field added. Changed
6563 no_stack_reg type to bitfield.
6565 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
6567 * tree.c (substitute_in_expr): Add missing 'break'.
6569 2008-01-17 Richard Guenther <rguenther@suse.de>
6571 PR tree-optimization/34825
6572 * tree-ssa-math-opts.c (is_division_by): Do not recognize
6573 x / x as division to handle.
6575 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6577 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
6578 "-pthread" is specified.
6579 * pa-hpux11.h (LIB_SPEC): Likewise.
6581 2008-01-16 Janis Johnson <janis187@us.ibm.com>
6582 Peter Bergner <bergner@vnet.ibm.com>
6584 PR rtl-optimization/33796
6585 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
6587 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6589 PR libgfortran/34699
6590 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
6591 static links.
6592 * pa-hpux10.h (LINK_SPEC): Likewise.
6593 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
6595 2008-01-16 Richard Guenther <rguenther@suse.de>
6597 PR middle-end/32628
6598 * fold-const.c (fold_convert_const_int_from_int): Do not
6599 set overflow if that occured only because of a sign extension
6600 change when converting from/to a sizetype with the same
6601 precision and signedness.
6603 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
6605 PR debug/34249
6606 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
6607 location address to the correct place. Update copyright year.
6609 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6611 * lambda-code.c (lambda_transform_legal_p): Handle the case of
6612 no dependences in the dependence_relations vector.
6614 2008-01-16 Jan Hubicka <jh@suse.cz>
6616 PR rtl-optimization/31396
6617 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
6618 * cfg.c (dump_reg_info): Print it.
6619 * regs.h (struct reg_info_t): add freq_calls_crossed.
6620 (REG_FREQ_CALLS_CROSSED): New macro.
6621 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
6622 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
6623 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
6624 regmove_optimize): Update call crossed frequencies.
6625 * local-alloc.c (struct qty): Add freq_calls_crossed.
6626 (alloc_qty): Copute freq_calls_crossed.
6627 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
6628 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
6629 * ra.h (struct allocno): Add freq_calls_crossed.
6631 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6633 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
6634 libgomp when compiling with ftree-parallelize-loops.
6635 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
6637 2008-01-16 Richard Guenther <rguenther@suse.de>
6639 PR tree-optimization/34769
6640 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
6641 * tree.c (int_cst_value): Instead make this function more
6642 permissive in what it accepts as valid input. Document this
6643 function always sign-extends the value.
6645 2008-01-16 Jakub Jelinek <jakub@redhat.com>
6646 Richard Guenther <rguenther@suse.de>
6648 PR c/34668
6649 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
6650 (gimple_fold_indirect_ref_rhs): ... this.
6651 (gimple_fold_indirect_ref): New function with foldings
6652 that preserve lvalueness.
6653 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
6654 * tree-flow.h (gimple_fold_indirect_ref): Declare.
6655 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
6656 to fold an INDIRECT_REF, fall back to the old use of
6657 fold_indirect_ref_1.
6659 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6661 * tree-data-ref.c (subscript_dependence_tester_1): Call
6662 free_conflict_function.
6663 (compute_self_dependence): Same.
6665 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
6667 PR debug/34249
6668 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
6669 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
6670 function global.
6671 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
6672 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
6673 for DWARF2_UNWIND_INFO targets.
6675 2008-01-16 Richard Guenther <rguenther@suse.de>
6677 PR c/34768
6678 * c-typeck.c (common_pointer_type): Do not merge inconsistent
6679 type qualifiers for function types.
6681 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
6683 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
6684 loop_iterator li from previous commit.
6686 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
6688 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
6690 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
6692 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
6693 (parallelize_loops): Don't parallelize irreducible components.
6695 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6697 PR c++/24924
6698 * c-opts (c_common_post_options): Do not enable CPP
6699 flag_pedantic_errors by default.
6701 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
6703 PR rtl-optimization/31944
6704 * cse.c (remove_pseudo_from_table): New function.
6705 (merge_equiv_classes): Use above function to remove pseudo-registers.
6706 (invalidate): Likewise.
6708 2008-01-13 Richard Guenther <rguenther@suse.de>
6710 PR middle-end/34601
6711 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
6712 instead of TYPE_MODE to deal with calls from expand_one_error_var.
6714 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
6716 * gcse.c (cprop_jump): Call validate_unshare_change instead of
6717 validate_change to unshare the source of the PC set.
6719 2008-01-12 Jan Hubicka <jh@suse.cz>
6721 PR middle-end/32135
6722 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
6723 references above array bounds. This might trigger bounds checks for
6724 pointers to arrays.
6726 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
6728 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
6729 new_replaceable_dependencies.
6731 2008-01-12 Doug Kwan <dougkwan@google.com>
6733 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
6734 instead of OPT_Wreturn_type in warning due to ignored return type
6735 qualifiers.
6736 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
6737 options included in -Wextra.
6738 * c.opt: New option -Wignored_qualifiers.
6739 * doc/invoke.texi (Warning Options, -Wextra): Add new option
6740 -Wignore_qualifiers.
6741 (-Wignored-qualifiers): Document.
6742 (-Wreturn-type): Remove description of functionality now handled
6743 by -Wignored-qualifiers.
6745 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
6747 PR ada/33788
6748 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
6749 NOP_EXPR if it is between integral types with the same precision.
6751 2008-01-12 Jan Hubicka <jh@suse.cz>
6753 PR other/28023
6754 * invoke.texi (max-inline-recursive-depth): Fix default value.
6756 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
6758 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
6759 correct type.
6761 2008-01-11 Bob Wilson <bob.wilson@acm.org>
6763 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
6765 2008-01-11 James E. Wilson <wilson@specifix.com>
6767 PR target/26015
6768 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
6770 2008-01-11 Anatoly Sokolov <aesok@post.ru>
6772 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
6773 save/restore frame pointer register and don't use 'call-prologues'
6774 optimization in function with "OS_task" attribute.
6776 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
6778 PR middle-end/31309
6779 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
6780 when copying to memory.
6782 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
6784 PR rtl-optimization/30905
6785 * cfgcleanup.c: Include dce.h
6786 (crossjumps_occured): New global variable.
6787 (try_crossjump_bb): Exit loop after finding a fallthru edge.
6788 If something changed, set crossjumps_occured to true.
6789 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
6790 Don't add/remove fake edges to exit here...
6791 (cleanup_cfg): ...but do it here, when crossjumping.
6792 Run a fast DCE when successful crossjumps occured in the latest
6793 iteration of try_optimize_cfg.
6795 2008-01-11 Richard Guenther <rguenther@suse.de>
6797 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
6798 (struct vn_unary_op_s): Likewise.
6799 (vn_reference_insert): Free old reference on hash collision.
6801 2008-01-10 Raksit Ashok <raksit@google.com>
6803 PR rtl-optimization/27971
6804 * combine.c (find_split_point): Split PLUS expressions which are
6805 inside a MEM rtx, and whose first operand is complex.
6807 2008-01-10 DJ Delorie <dj@redhat.com>
6809 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
6810 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
6811 (m32c_hard_regno_ok): Call the underlying function.
6813 2008-01-10 Richard Guenther <rguenther@suse.de>
6815 PR middle-end/34683
6816 * tree-cfg.c (tree_merge_blocks): Do not go through the
6817 full-blown folding and stmt updating path if we just deal
6818 with virtual operands.
6819 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
6820 test for abnormal SSA_NAMEs.
6822 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
6824 PR middle-end/34641
6825 * reload.c (push_reload): Add assertions. All constants from
6826 reg_equiv_constant should have been used for replacing the respective
6827 pseudo earlier.
6828 (find_reloads_address): Invoke find_reloads_address_part for
6829 constant taken from the reg_equiv_constant array.
6831 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
6833 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
6834 field (valnum) the first in the struct. Replace bools with
6835 unit bit fields.
6837 2008-01-10 Richard Guenther <rguenther@suse.de>
6839 PR tree-optimization/34651
6840 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
6841 types and ordering for masking and converting.
6843 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
6845 PR tree-optimization/34017
6846 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
6847 also for PHI_NODE expressions.
6849 2008-01-09 Jan Hubicka <jh@suse.cz>
6851 PR tree-optimization/34708
6852 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
6853 based on number of case labels.
6854 (init_inline_once): Remove switch_cost.
6855 * tree-inline.h (eni_weights_d): Remove switch_cost.
6857 2008-01-09 Richard Guenther <rguenther@suse.de>
6858 Andrew Pinski <andrew_pinski@playstation.sony.com>
6860 PR middle-end/30132
6861 * gimplify.c (gimplify_cond_expr): Do not create an addressable
6862 temporary if an rvalue is ok or an lvalue is not required.
6864 2008-01-09 Richard Guenther <rguenther@suse.de>
6866 PR middle-end/34458
6867 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
6868 adjust return type.
6870 2008-01-09 Richard Guenther <rguenther@suse.de>
6872 PR middle-end/34679
6873 * tree.c (host_integerp): Check for sizetype only if the
6874 type is an integer type.
6876 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
6878 PR debug/26364
6879 * opts.c (decode_options): Disable inlining of functions called
6880 once if not in unit-at-a-time mode.
6882 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
6884 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
6886 2008-01-08 Richard Guenther <rguenther@suse.de>
6888 PR middle-end/31863
6889 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
6890 out early if the result will be unused.
6892 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
6894 PR target/34709
6895 Revert:
6897 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6898 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
6899 for TARGET_RECIP.
6901 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
6903 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
6904 for vectorization tuned.
6906 2008-01-08 Richard Guenther <rguenther@suse.de>
6908 PR tree-optimization/34683
6909 * tree-ssa-operands.c (operand_build_cmp): Export.
6910 * tree-ssa-operands.h (operand_build_cmp): Declare.
6911 * tree-vn.c (vuses_compare): Remove.
6912 (sort_vuses): Use operand_build_cmp.
6913 (sort_vuses_heap): Likewise.
6914 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
6915 to re-use old VEC if available. Do not sort already sorted VUSEs.
6916 (vdefs_to_vec): Do not sort already sorted VDEFs.
6918 2008-01-08 Jakub Jelinek <jakub@redhat.com>
6920 PR middle-end/34694
6921 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
6923 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
6925 PR target/34702
6926 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
6927 limitations of reciprocal sequences on x86 targets.
6929 2008-01-08 Richard Guenther <rguenther@suse.de>
6931 PR tree-optimization/34683
6932 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
6934 2008-01-07 Jakub Jelinek <jakub@redhat.com>
6936 PR target/34622
6937 * config/darwin.c (darwin_mergeable_string_section): Don't use
6938 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
6940 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
6942 PR target/34682
6943 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
6944 negxf2. Macroize expander using X87MODEF mode iterator. Change
6945 predicates of op0 and op1 to register_operand.
6946 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
6947 expander using X87MODEF mode iterator. Change predicates of
6948 op0 and op1 to register_operand.
6949 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
6950 corresponding patterns and macroize using MODEF macro. Change
6951 predicates of op0 and op1 to register_operand and remove
6952 "m" constraint. Disparage "r" alternative with "!".
6953 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
6954 macroize using X87MODEF macro. Change predicates of op0 and op1
6955 to register_operand and remove "m" constraint. Disparage "r"
6956 alternative with "!".
6957 (absneg splitter with memory operands): Remove.
6958 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
6959 patterns and macroize using X87MODEF mode iterator.
6960 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
6961 Change predicate of op1 to register_operand.
6962 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
6963 for memory operands.
6965 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
6967 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
6969 2008-01-07 Richard Guenther <rguenther@suse.de>
6971 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
6972 fields.
6974 2008-01-07 Richard Guenther <rguenther@suse.de>
6976 PR tree-optimization/34683
6977 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
6978 VOPs of the needed size to save memory. Use VEC_quick_push
6979 to save compile-time.
6980 (vdefs_to_vec): Likewise.
6982 2008-01-07 Sa Liu <saliu@de.ibm.com>
6984 * config/spu/spu.md (divdf3): Genetate inline code for double
6985 division. The implementation doesn't handle INF or NAN, therefore it
6986 only applies when -ffinite-math-only is given.
6988 2008-01-06 Paolo Carlini <pcarlini@suse.de>
6990 PR libstdc++/34680
6991 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
6992 * doc/cpp.texi ([Common Predefined Macros]): Document.
6994 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
6996 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
6997 order to use commutative addition instead of subtraction.
6999 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
7000 Mircea Namolaru <namolaru@il.ibm.com>
7001 Vladimir Yanovsky <yanov@il.ibm.com>
7002 Revital Eres <eres@il.ibm.com>
7004 PR tree-optimization/34263
7005 * tree-outof-ssa.c (process_single_block_loop_latch,
7006 contains_tree_r): New functions.
7007 (analyze_edges_for_bb): Call process_single_block_loop_latch
7008 function to empty single-basic-block latch block if possible.
7010 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
7012 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
7013 for TARGET_RECIP.
7014 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
7016 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
7018 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
7020 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
7022 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
7024 2008-01-05 Jakub Jelinek <jakub@redhat.com>
7026 PR tree-optimization/34618
7027 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
7028 flag from T.
7030 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
7032 PR target/34673
7033 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
7034 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
7035 Update copyright year.
7037 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
7038 Update copyright year.
7039 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
7040 using NR fixup.
7042 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
7044 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
7045 edge does not point to current bb before changing need_assert.
7047 2008-01-04 Richard Guenther <rguenther@suse.de>
7049 PR middle-end/34029
7050 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
7051 for verifying purposes if they are is_gimple_min_invariant.
7053 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
7055 PR tree-optimization/34448
7056 PR tree-optimization/34465
7057 * gimplify.c (gimplify_init_constructor): Add new parameter
7058 notify_temp_creation. Use it.
7059 (gimplify_modify_expr_rhs): Take volatiles into account when
7060 optimizing constructors.
7061 Do not optimize constructors if gimplify_init_constructor will dump to
7062 memory.
7063 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
7064 * gcc.c-torture/compile/pr34448.c: New.
7066 2008-01-04 Jakub Jelinek <jakub@redhat.com>
7068 PR gcov-profile/34609
7069 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
7070 return_slot if result is TREE_ADDRESSABLE.
7072 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
7074 * config/mips/mips.md (sqrt_condition): Tweak comment.
7075 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
7077 2008-01-03 Tom Tromey <tromey@redhat.com>
7079 PR c/34457
7080 * c-common.c (c_type_hash): Handle VLAs.
7082 2008-01-03 Jan Hubicka <jh@suse.cz>
7084 PR tree-optimization/31081
7085 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
7086 0 when inlining and not inlining to first basic block.
7087 (remap_decl): When var is initialized to 0, don't set default_def.
7088 (expand_call_inline): Set entry_bb.
7089 * tree-inline.h (copy_body_data): Add entry_bb.
7091 2008-01-03 Jakub Jelinek <jakub@redhat.com>
7093 PR c++/34619
7094 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
7095 before returning.
7097 PR tree-optimization/29484
7098 * tree-inline.c (inline_forbidden_p_2): New function.
7099 (inline_forbidden_p): Disallow inlining if some static var
7100 has an address of a local LABEL_DECL in its initializer.
7101 * doc/extend.texi (Labels as Values): Document &&foo behaviour
7102 vs. inlining.
7104 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
7106 PR tree-optimization/34635
7107 * tree-data-ref.c (add_other_self_distances): Make sure that the
7108 evolution step is constant.
7110 2008-01-03 Jakub Jelinek <jakub@redhat.com>
7112 PR middle-end/34608
7113 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
7115 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
7117 * tree-sra.c (scalarize_init): Insert the generate_element_init
7118 statements after the generate_element_zero statements.
7120 2008-01-02 Richard Guenther <rguenther@suse.de>
7122 PR middle-end/34093
7123 PR middle-end/31976
7124 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
7125 for very large number of operands instead of ICEing.
7127 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
7129 PR target/34013
7130 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
7131 while stack probing.
7133 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
7135 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
7136 in C++0x mode.
7138 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
7140 PR libmudflap/26442
7141 * tree-mudflap.c (mx_register_decls): Guard warning by
7142 !DECL_ARTIFICIAL check.
7144 2008-01-01 Jakub Jelinek <jakub@redhat.com>
7146 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
7147 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
7148 sse5_perm<mode>): Fix constraints.