2008-06-26 Kenneth Zadeck <zadeck@naturalbridge.com>
[official-gcc.git] / gcc / ChangeLog
blob29a91df0aed24a6d696fe9367ece843be7116c60
1 2008-06-26  Kenneth Zadeck <zadeck@naturalbridge.com>
3         * ira-conflicts.c ira-color.c ira-lives.c ira-emit.c ira-build.c
4         ira.c ira-costs.c : Fix comments.
6 2008-06-11  Vladimir Makarov  <vmakarov@redhat.com>
8         * caller-save.c (restore_con_fun_n, save_con_fun_n): Use loop
9         mentioned_regs instead of clearing all result.
11 2008-06-11  Vladimir Makarov  <vmakarov@redhat.com>
13         * doc/tm.texi (IRA_HARD_REGNO_ADD_COST_MULTIPLIER,
14         IRA_COVER_CLASSES): Fix macro descriptions.
15         
16         * doc/invoke.texi (fira): Fix the description.
17         
18         * flags.h (ira_algorithm): Fix formatting.
19         
20         * ira-conflicts.c: Remove all forward prototypes of static
21         functions.  Use type bool and true and false for boolean values.
22         Change father to parent.
23         (get_dup_num): Remove equiv_const.  More comments.
24         (process_regs_for_copy, process_reg_shuffles): New functions.
25         (add_insn_allocno_copies): Use them.
27         * ira-int.h: Use type bool and true and false for boolean values.
28         Change father to parent.
30         * ira-color.c: Remove all forward prototypes of static
31         functions.  Use type bool and true and false for boolean values.
32         Change father to parent.
34         * ira-lives.c: Remove all forward prototypes of static
35         functions.  Use type bool and true and false for boolean values.
36         Change father to parent.
38         * ira-emit.c: Ditto.
40         * ira.c: Ditto.
42         * ira-costs.c: Remove all forward prototypes of static
43         functions.  Use type bool and true and false for boolean values.
44         Change father to parent.
47         * ira-build.c: Remove all forward prototypes of static functions
48         except for find_allocno_copy.  Use type bool and true and false
49         for boolean values.  Change father to parent.
51         * ira.h: Use type bool for boolean values.
53         * reload1.c (reload): Pass false instead of FALSE.
54         
55 2008-06-10  Vladimir Makarov  <vmakarov@redhat.com>
56         PR target/36450
57         * caller-save.c (insert_restore, insert_save):  Don't require
58         alignment more than PREFERRED_STACK_BOUNDARY in asserts.
60 2008-06-10  Vladimir Makarov  <vmakarov@redhat.com>
62         * ira-int.h (allocno_copy):  Change comments.
63         
64         * ira-conflicts.c (build_conflict_bit_table): Use cast in printf
65         for %ld.
67 2008-06-10  Vladimir Makarov  <vmakarov@redhat.com>
69         * common.opt (fira-move-spills): Remove.
71         * caller-save.c: Add more comments.
72         (save_call_clobbered_regs): Remove flag_ira_move_spills.
74         * doc/invoke.texi (-fno-ira-move-spills): Remove.
76 2008-06-06  Vladimir Makarov  <vmakarov@redhat.com>
78         * ira-build.c (ira_flattening): Check first info propagation.
80         * config/alpha/alpha.h (IRA_COVER_CLASSES): New.
82 2008-06-03  Vladimir Makarov  <vmakarov@redhat.com>
84         * caller-saves.c (mark_referenced_regs): Add new parameter.
85         Process increments/decrements.
86         (set_regs): Rename to modified_regs.
87         (calculate_local_save_info, save_call_clobbered_regs): Pass the
88         new parameter value to mark_referenced_regs.
90         * ira-costs.c (find_allocno_class_costs): Always use important
91         classes.
93         * reload1.c (reload): Clear changed_allocation_pseudos at the end
94         of reload.
95         
96 2008-06-03  Steve Chamberlain <steve.chamberlain@gmail.com>
98         * ira-build.c (allocno_range_compare_func): Stabilize sort.
100 2008-05-30  Vladimir Makarov  <vmakarov@redhat.com>
101         Merge 132243:136204 from trunk
102         * ira.c (setup_eliminable_regset): Use cfun.
103         (ira): Set up DF_VERIFY_SCHEDULED.
104         
105         * ira-lives.c (process_bb_node_lives): Use cfun.
106         
107         * ira_build (ira_build): Use crtl.
108         
109         * local-alloc.c (update_equiv_regs): Rescan equivalent insn.
111         * final (rest_of_handle_final): Use crtl.
112         
113         * caller-save.c (save_call_clobbered_regs): Initialize save.
115 2008-05-29  Andy Hutchinson   <hutchinsonandy@aim.com>
117         * config/avr/avr.h (IRA_COVER_CLASSES): New macro
119         * reload1.c (find_reg): Process registers in register allocation
120         order.
122 2008-05-29  Vladimir Makarov  <vmakarov@redhat.com>
124         * Makefile.in (caller-save.o): Add CFGLOOP_H.
126         * ira.c (ira): Call flow_loops_find after the allocation before
127         the reload.
129         * global.c (print_insn_chain): Print bitmap saved.
131         * reload.h (insn_chain): Add members saved and saved_pseudo_regno.
133         * reload1.c (changed_allocation_pseudos): New bitmap.
134         (init_reload): Initiate the bitmap.
135         (new_insn_chain): Initiate bitmap saved.
136         (order_regs_for_reload): Check bitmap saved.
137         (find_reg): Check bitmap saved to find register.
138         (delete_caller_save_insns): Print about removing caller-save insn.
139         Invalidate reload register taken from saved registers.
140         Recalculate used_spill_regs.
141         (finish_spills): Check bitmap saved.  Set up
142         changed_allocation_pseudos.  Remove sanity check.
144         * caller-save.c (cfgloop.h): Add the header.
145         (set_regs): New variable.
146         (bb_info): Remove members empty_save_in_p, kill, gen.  Add members
147         empty_save_out_p, empty_restore_in_p, save_kill, save_gen,
148         restore_kill, restore_gen, free_gen, restore_in, restore_out,
149         free_in, free_out, live_at_end, restore_here, restore_in_mode,
150         restore_out_mode, save_in_pseudo, save_out_pseudo,
151         restore_in_pseudo, restore_out_pseudo.
152         (loop_info): New structure.
153         (LOOP_INFO): New macro.
154         (calculate_local_save_info): Add calculation of new bb_info
155         members for local info.
156         (restore_trans_fun, restore_con_fun_0, restore_con_fun_n,
157         calculate_restore_in_out, calculate_restore_here, free_trans_fun,
158         free_con_fun_0, free_con_fun_n, calculate_free_in_out): New
159         functions.
160         (make_global_save_analysis): Add calculation of new bb_info
161         members for global info.
162         (print_hard_reg_set_and_mode): Rename to
163         print_annotated_hard_reg_set.  Print pseudo regnos too.
164         (print_save_data): Add printing new bb_info members.
165         (set_hard_reg_saved): New parameters from_saved_pseudo,
166         save_pseudo.  Set them up.
167         (save_call_clobbered_regs): Rewrite.
168         (mark_referenced_regs): Set up set_regs.
169         (insert_restore, insert_save): New parameter save_pseudo.  Use it
170         for setting save_pseudo_regno and for debugging output.
172         * ira-conflicts.c (build_conflict_bit_table): Check min/max.
174         * ira-build.c (conflict_vector_profitable_p): Ditto.
175         (clear_allocno_conflicts): Check that conflict allocno array size.
176         
177 2008-05-21  Vladimir Makarov  <vmakarov@redhat.com>
179         * ira.c (setup_preferred_alternate_classes): Remove.
180         (setup_preferred_alternate_classes_for_new_pseudos): New.
181         (setup_preferred_alternate_classes): Set memory cost for NO_REGS
182         to minimal one.
183         (ira): Remove setup_preferred_alternate_classes.  Call
184         setup_preferred_alternate_classes_for_new_pseudos.
186         * ira-costs.c (record_reg_classes): Don't decrease frequency for
187         allows_mem.
188         (record_operand_costs): Use memcpy instead of memmove.
189         (print_costs): Use regno instead of allocno number in
190         invalid_mode_change_p.
191         (find_allocno_class_costs): Set up preferred and alternative
192         classes.
193         
194 2008-05-18  Vladimir Makarov  <vmakarov@redhat.com>
195         PR tree-optimization/26854
197         * timevar.def (TV_RELOAD): New timer.
199         * ira.c (ira): Use TV_IRA and TV_RELOAD.
200         (pass_ira): Remove TV_IRA.
202         * Makefile.in (ira-color.o): Add SPLAY_TREE_H.
204         * ira-conflicts.c (DEF_VEC_P, DEF_ALLOCC_P): Move to ira-int.h.
206         * ira-int.h (DEF_VEC_P, DEF_ALLOCC_P): Move from ira-conflicts.c and
207         ira-color.c.
208         (struct allocno): New bitfield splay_removed_p.
209         (ALLOCNO_MAY_BE_SPILLED_P): New macro.
211         * ira-color.c (splay-tree.h): Add the header.
212         (allocno_spill_priority_compare, splay_tree_allocate,
213         splay_tree_free): New functions.
214         (DEF_VEC_P, DEF_ALLOCC_P): Move to ira-int.h.
215         (sorted_allocnos_for_spilling): Rename to allocnos_for_spilling.
216         (splay_tree_node_pool, removed_splay_allocno_vec,
217         uncolorable_allocnos_num, uncolorable_allocnos_splay_tree): New
218         global variables.
219         (add_allocno_to_bucket, add_allocno_to_ordered_bucket,
220         delete_allocno_from_bucket): Update uncolorable_allocnos_num.
221         (USE_SPLAY_P): New macro.
222         (push_allocno_to_stack): Remove allocno from the splay tree.
223         (push_allocnos_to_stack): Use the splay trees.
224         (do_coloring): Create and finish splay_tree_node_pool.
225         Move allocation/deallocation of allocnos_for_spilling to here...
226         (initiate_ira_assign, finish_ira_assign): Move
227         allocnos_for_spilling from here...
228         (ira_color): Allocate/deallocate removed_splay_allocno_vec.
230         * ira-build.c (DEF_VEC_P, DEF_ALLOCC_P): Move to ira-int.h.
231         (create_allocno): Initiate ALLOCNO_SPLAY_REMOVED_P.
232         
233 2008-05-12  Vladimir Makarov  <vmakarov@redhat.com>
235         * Makefile.in (ira-build.o): Add sparseset.h.
236         
237         * ira-build.c (sparseset.h): Add.
238         (remove_wrong_conflicts, change_allocno_conflicts,
239         check_and_add_conflicts, add_conflict_with_underlying_allocnos):
240         Remove.
241         (finish_loop_tree_node, clear_allocno_conflicts,
242         change_allocno_in_range_list): New functions.
243         (allocnos_bitmap): New variable.
244         (finish_loop_tree_nodes): Use finish_loop_tree_node.
245         (initiate_allocnos): Initiate allocno conflict id by its allocno
246         number.
247         (conflict_vector_profitable_p): Use allocno min/max attributes.
248         (temp_change_bit_vec): Remove.
249         (finish_allocno): Nullify the corresponding element in allocnos
250         and conflict_id_allocno_map.
251         (local_allocnos_bitmap): Remove.
252         (create_loop_tree_node_caps): Use local_allocnos_bitmap instead of
253         local_allocnos_bitmap.
254         (regno_top_level_allocno_map): Move to ira_flattening.
255         (ira_flattening): Rewriting conflict rebuilding.
256         (ira_build): Allocate/free allocnos_bitmap.  Move
257         create_allocno_live_ranges before creation of allocno caps.
259         * ira-lives.c (propagate_new_allocno_info, propagate_new_info):
260         New functions.
261         (create_allocno_live_ranges): Call propagate_new_info.
263         * ira-color.c (ira_fast_allocation): Collect allocnos for sorting.
265         * ira-conflicts.c (propagate_allocno_info): Rename to
266         propagate_allocno_copy_info.  Propagate only copies.
267         (propagate_info): Rename to propagate_copy_info.
269 2008-05-10  Richard Sandiford  <rsandifo@nildram.co.uk>
271         * toplev.c (backend_init_target): Move init_ira call from here...
272         (lang_dependent_init_target): ...to here.
274 2008-05-10  Richard Sandiford  <rsandifo@nildram.co.uk>
276         * ira.c (setup_class_subset_and_memory_move_costs): Don't calculate
277         memory move costs for NO_REGS.
279 2008-05-08  Vladimir Makarov  <vmakarov@redhat.com>
281         * ira-int.h (loop_tree_node): New members subloops and
282         subloop_next.
283         
284         * ira-conflicts.c (propagate_modified_regnos): Check that it is a
285         loop node.
286         (ira_build_conflicts): Use TRUE for traverse_loop_tree.
287         
288         * ira-color.c (color_pass): Check that it is a
289         loop node.  Use subloops and subloop_next for traversing.
290         (move_spill_restore): Ditto.
291         (coalesced_pseudo_reg_freq_compare,
292         coalesced_pseudo_reg_slot_compare, pseudo_reg_compare): Don't
293         discard const.
294         
295         * ira-lives.c (create_allocno_live_ranges): Use TRUE for
296         traverse_loop_tree.
297         
298         * ira-emit.c (ira_emit): Ditto.
300         * ira-build.c (add_loop_to_tree): Set up subloops and
301         subloop_next.
302         (setup_loop_tree_level): Use subloops and subloop_next for
303         traversing.
304         (form_loop_tree): Initialize subloops and subloop_next.
305         (traverse_loop_tree): Change 1st parameter semantics.  Rewrite the
306         function.
307         (create_loop_tree_node_caps): Check that it is a loop node.
308         (check_and_add_conflicts): Check allocno loop nodes.
309         (add_conflict_with_underlying_allocnos): Use subloops and
310         subloop_next for traversing.
311         
312         * ira.c (chain_freq_compare, chain_bb_compare): Don't discard
313         const.
314         (ira): Call regstat functions second time only if new pseudos are
315         created.
317         * ira-costs.c (find_allocno_class_costs): Use TRUE for
318         traverse_loop_tree.
319         (setup_allocno_cover_class_and_costs): Ditto.
321 2008-05-06  Vladimir Makarov  <vmakarov@redhat.com>
323         PR rtl-optimization/36028
324         * caller-save.c (setup_save_areas): Adjust reused stack slot.
326 2008-05-05  Kaz Kojima  <kkojima@gcc.gnu.org>
328         * ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
329         STACK_REGS is defined.
331 2008-05-05  Vladimir Makarov  <vmakarov@redhat.com>
333         * ira-color.c (allocno_assign_compare_func): Remove.
334         (ira_fast_allocation): Rewrite.
336 2008-05-02  Vladimir Makarov  <vmakarov@redhat.com>
338         * ira-conflicts.c (print_conflicts): Exclude non-allocatable hard
339         regs and hard regs from different cover classes.
340         (ira_build_conflicts): Build conflicts only for optimization mode.
342         * cfgloopanal.c (estimate_reg_pressure_cost): Decrease cost only
343         for optimization mode.
345         * caller-save.c (caller-save.c, calculate_local_save_info,
346         save_call_clobbered_regs): Do save/restore placement optimization
347         and sharing stack slots only for optimization mode.
349         * ira-int.h (set_allocno_cover_class, ira_fast_allocation): New
350         prototypes.
352         * ira-color.c (assign_hard_reg): Clear conflicting_regs.
353         (allocno_assign_compare_func, allocno_assign_compare_func): New
354         functions.
356         * global.c (build_insn_chain): Add spilled pseudos only in
357         optimization mode.
359         * ira-emit.c (modify_move_list): Use set_allocno_cover_class.
361         * alias.c (nonoverlapping_memrefs_p): Check addresses only in
362         optimization mode.
364         * ira-build.c (create_allocno): Initialize
365         ALLOCNO_CONFLICT_HARD_REGS and ALLOCNO_TOTAL_CONFLICT_HARD_REGS by
366         non-allocatable hard reg set.
367         (set_allocno_cover_class): New function.
368         (create_cap_allocno): Use set_allocno_cover_class.
369         (ira_build): Call create_loop_tree_node_caps,
370         propagate_info_to_loop_tree_node_caps, and
371         propagate_info_to_loop_tree_node_caps only in optimization mode.
372         * ira.c (setup_reg_renumber): Add optimize to ira_assert.
373         (ira): Call find_reg_equiv_invariant_const, ira_color,
374         sort_insn_chain, and fix_reg_equiv_init only in optimization mode.
375         Call ira_fast_allocation for -O0.  Use right argument for reload.
377         * ira-costs.c (find_allocno_class_costs): Use important_classes
378         only for optimization mode.
379         (setup_allocno_cover_class_and_costs): Use
380         set_allocno_cover_class.  Initialize cost vectors only in
381         optimization mode.  Call process_bb_node_for_hard_reg_moves only
382         in optimization mode.
384         * reload1.c (compute_use_by_pseudos): Add optimize to ira_assert.
385         (reload): Sort pseudo-registers only optimization mode.  Restore
386         original order for insn chain only in optimization mode.
387         (calculate_needs_all_insns): Call mark_memory_move_deletion only
388         in optimization mode.
389         (count_pseudo, count_spilled_pseudo): Check spilled pseudos only
390         in optimization mode.
391         (alter_reg): Share stack slots only in optimization mode.
392         (finish_spills): Check spilled pseudos only in optimization mode.
393         (emit_input_reload_insns, delete_output_reload): Call
394         mark_allocation_change only in optimization mode.
395         
396 2008-05-01  Vladimir Makarov  <vmakarov@redhat.com>
398         * ira-int.h (IRA_BB_NODE_BY_INDEX, IRA_LOOP_NODE_BY_INDEX): Use
399         gcc_unreachable instead of exit.
400         (struct allocno): New members min, max, and conflict_id.
401         (ALLOCNO_MIN, ALLOCNO_MAX, ALLOCNO_CONFLICT_ID): New macros.
402         (conflict_id_allocno_map):
403         (SET_ALLOCNO_SET_BIT, CLEAR_ALLOCNO_SET_BIT,
404         TEST_ALLOCNO_SET_BIT): Add two new parameters.  Add versions for
405         checking.
406         (allocno_set_iterator): Add new member start_val.
407         (allocno_set_iter_init): Add two new parameters.  Set up
408         start_val.
409         (allocno_set_iter_cond): Use start_val.
410         (FOR_EACH_ALLOCNO_IN_SET): Add two new parameters.
411         (allocno_set_words): Remove.
412         (allocno_conflict_iterator): Add new member base_conflict_id.
413         (allocno_conflict_iter_init): Set up base_conflict_id.  Use
414         ALLOCNO_MIN and ALLOCNO_MAX.
415         (allocno_conflict_iter_cond): Use conflict_id_allocno_map and
416         base_conflict_id.
418         * ira-lives.c: Include sparseset.h.
419         (allocno_set_words, SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE,
420         TEST_ALLOCNO_LIVE, allocnos_live_bitmap): Remove.
421         (allocnos_live): Define as sparseset.
422         (make_regno_born, clear_allocno_live, mark_reg_store,
423         mark_reg_death, process_single_reg_class_operands,
424         process_bb_node_lives, create_allocno_live_ranges): Don't use
425         allocnos_live_bitmap.  Use allocnos_live as sparseset.
427         * Makefile.in (ira-conflicts.o, ira-lives.o): Add sparseset.h
429         * ira-conflicts.c: Add sparseset.h header.
430         (mirror_conflicts): Remove.
431         (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE, TEST_ALLOCNO_LIVE): Remove.
432         (allocnos_live): Remove.
433         (CONFLICT_P): Remove
434         (CONFLICT_ALLOCNO_P): New.
435         (build_conflict_bit_table): Use sparseset.  Use FOR_EACH_ALLOCNO.
436         Allocate bits for [min..max] range.  Report conflict bit table
437         sizes.  Setup conflicts for both allocnos.
438         (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for copy vectors.
439         (remove_conflict_allocno_copies): Use CONFLICT_ALLOCNO_P.  Rename
440         conflict_allocno_copy_varray to conflict_allocno_copy_vec and make
441         it VEC.
442         (build_allocno_conflicts): Use two new arguments for
443         FOR_EACH_ALLOCNO_IN_SET.  Use conflict_id_allocno_map.  Modify
444         calculation of ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE.  Use two new
445         arguments for SET_ALLOCNO_SET_BIT.
446         (ira_build_conflicts): Don't call mirror_conflicts.
448         * ira-color.c (varray.h): Remove.
449         (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for
450         allocno vectors.
451         (allocno_stack_varray): Rename to allocno_stack_vec.  Make it a
452         VEC.
453         (assign_hard_reg, push_allocno_to_stack, pop_allocnos_from_stack,
454         ira_color): Use allocno_stack_vec as VEC.
455         
456         * ira-build.c (setup_min_max_allocno_live_range_point,
457         allocno_range_compare_func, sort_conflict_id_allocno_map,
458         setup_min_max_conflict_allocno_ids): New function.
459         (conflict_id_allocno_map, conflict_id_allocno_map_vec): New global
460         variable.
461         (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for allocno vectors.
462         (allocno_varray): Rename to allocno_vec and make it a VEC.
463         (initiate_allocnos): Initiate conflict_id_allocno_map_vec.  Use
464         allocno_vec as a VEC.
465         (create_allocno): Initiate min, max, and conflict_id_allocno.
466         Update conflict_id_allocno_map.  Use allocno_vec as a VEC.
467         (allocate_allocno_conflict_bit_vec): Use ALLOCNO_MIN and
468         ALLOCNO_MAX.
469         (add_to_allocno_conflicts): Ditto.
470         (remove_wrong_conflicts): Ditto.  Use conflict_id_allocno_map.
471         (change_allocno_conflicts): Ditto.  Use add_to_allocno_conflicts
472         instead of SET_ALLOCNO_SET_BIT.
473         (finish_allocnos): Free conflict_id_allocno_map_vec.  Use
474         allocno_vec as a VEC.
475         (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for copy vectors.
476         (copy_varray): Rename to copy_vec and make it a VEC.
477         (initiate_copies, create_copy, finish_copies): Use copy_vec as
478         a VEC.
479         (ira_build): Call setup_min_max_allocno_live_range_point,
480         sort_conflict_id_allocno_map, and
481         setup_min_max_conflict_allocno_ids.
482         
483         * ira-emit.c (move_t): New typedef.
484         (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for move vectors.
485         (move_varray): Rename it to move_vec and make it a VEC.
486         (emit_move_list, add_range_and_copies_from_move_list): Use move_t.
487         (traverse_moves, ira_emit): Ditto.  Use move_vec as a VEC.
488         (modify_move_list): Ditto.  Set up conflict_id, min, and max for
489         the new allocno.
490         
491 2008-04-10  Vladimir Makarov  <vmakarov@redhat.com>
493         * reload1.c (substitute, gen_reload_chain_without_interm_reg_p):
494         New functions.
495         (reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
497 2008-04-09  Vladimir Makarov  <vmakarov@redhat.com>
499         * ira.c (ira): Move allocate_initial_values after initializing reg
500         info.
502 2008-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
504         * config/spu/spu.h (IRA_COVER_CLASSES): New macro.
506 2008-04-08  Vladimir Makarov  <vmakarov@redhat.com>
508         * ira-color.c (assign_hard_reg): Add debug printing.
509         
510         * ira-lives.c (mark_reg_store, mark_reg_death,
511         process_bb_node_lives): Ignore hard regno of class NO_REGS.
513         * ira.c: Fix typos in comments.
515 2008-04-07  Vladimir Makarov  <vmakarov@redhat.com>
517         * cfgloopanal.c (estimate_reg_pressure_cost): Decrease register
518         pressure cost for IRA regional allocation.
520         * ira.c:  Add IRA overview.
522 2008-04-06  Vladimir Makarov  <vmakarov@redhat.com>
524         * ira-int.h (reg_class_intersect, reg_class_union): Add comments.
525         
526         * hard-reg-set.h (reg_class_subclasses): New external definition.
528         * ira.c (setup_reg_class_intersect_union): Define for classes
529         containing no hard registers available for allocation.
531         * regclass.c (reg_class_subclasses): Make it external.
533         * config/sh/sh.h (IRA_COVER_CLASSES): Add TARGET_REGS.
534         
535 2008-04-05  Vladimir Makarov  <vmakarov@redhat.com>
537         * toplev.c (backend_init_target): Move init_ira after
538         init_fake_stack_mems.
540         * config/sh/sh.c (sh_secondary_reload): Remove check of x on null.
542 2008-04-04  Bernd Schmidt  <bernd.schmidt@analog.com>
544         * config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
546 2008-04-04  Kaz Kojima  <kkojima@gcc.gnu.org>
548         * config/sh/sh.h (IRA_COVER_CLASSES): Define.
549         * config/sh/sh.c (sh_secondary_reload): Return NO_REGS for
550         null rtl.
551         * config/sh/sh.md (movsicc_true+3): Check if emit returns
552         a barrier.
553         * final.c (update_regs_ever_live): Check null rtl.
554         
555 2008-04-04  Vladimir Makarov  <vmakarov@redhat.com>
557         * reload1.c: Remove spaces before [.
558         
559         * ira-conflicts.c, ira-int.h, ira-color.c, ira-lives.c,
560         ira-emit.c, ira-build.c, ira.c, ira.h, ira-costs.c: Ditto.  Use
561         GPL3.
562         
563         * caller-save.c: Ditto.
564         (set_up_bb_rts_numbers, rpost_cmp): Remove.
565         (save_trans_fun, save_con_fun_0, save_con_fun_n): New functions.
566         (struct bb_info): Remove member rts_number.
567         (calculate_local_save_info): Setup empty_save_in_p for abnormal
568         edges.
569         (all_blocks): New variable.
570         (calculate_save_in_out): Use df_simple_dataflow.
571         (make_global_save_analysis): Allocate/setup/free all_blocks.
572                 
573 2008-04-04  Vladimir Makarov  <vmakarov@redhat.com>
575         * ira-costs.c: Use GPL3 in the header.
576         (find_allocno_class_costs): Use all important
577         classes on the 1st iteration.
579 2008-04-03  Vladimir Makarov  <vmakarov@redhat.com>
581         PR rtl-optimization/35817
582         * ira-costs.c (ira-costs.c): Check have_regs_of_mode.
584 2008-04-02  Vladimir Makarov  <vmakarov@redhat.com>
586         * ira-color.c (start_allocno_priorities): Permit zero allocno
587         nref.
589 2008-03-31  Vladimir Makarov  <vmakarov@redhat.com>
591         * ira-color.c (push_allocnos_to_stack): Don't use double.  Use
592         const as the secondary heuristic.
594         * ira-emit.c (set_allocno_reg): Change cap reg too.  Process all
595         loop parents.
596         
597         * doc/invoke.texi (-fira-coalescing): Change to -fira-coalesce.
599         * toplev.h (flag_lower_subreg): Remove.
601         * global.c (build_insn_chain): Remove the prototype.
603         * alias.c (value_addr_p): Change comment.
605         * emit-rtl.c (gen_lowpart_common): Remove CONCATN.
607         * simplify-rtx.c (simplify_subreg): Ditto.
609         * common.opt (flower-subreg): Remove.
611         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Fix last
612         merge.
614 2008-03-29  Vladimir Makarov  <vmakarov@redhat.com>
616         * ira-lives (process_single_reg_class_operands): Fix typo in
617         setting up cover_class.
619 2008-03-28  Vladimir Makarov  <vmakarov@redhat.com>
621         * ira-conflicts.c, global.c, regmove.c, function.c,
622         ira-emit.c, alias.c, reload1.c: Add comments, fix comments.
624         * reload.h: Add 2008 to the Copyright.
625         
626         * caller-save.c: Add comments.
627         (reg_save_code, reg_restore_code, initiate_saved_hard_regs,
628         new_saved_hard_reg, finish_saved_hard_regs,
629         saved_hard_reg_compare_func, calculate_local_save_info,
630         set_up_bb_rts_numbers, rpost_cmp, calculate_save_in_out,
631         calculate_save_here, make_global_save_analysis,
632         print_hard_reg_set_and_mode, print_hard_reg_set, print_save_data,
633         set_hard_reg_saved, add_stored_regs): Add prototypes.
634         
635         * df-scan.c (df_get_call_refs): Use
636         get_call_invalidated_used_regs.
638         * ira-int.h: Add comments.
639         (loop_tree_node): Rename inner to children.
640         (ira_allocate_regset, ira_free_regset): Remove.
641         (reassign_conflict_allocnos): Remove one parameter.
643         * ira-color.c: Add comments.
644         (setup_curr_costs): Rename to update_curr_costs.
645         (allocno_cost_compare_func, print_coalesced_allocno,
646         allocno_reload_assign): Add prototypes.
647         (reassign_conflict_allocnos): Remove one parameter.
649         * ira-lives.c: Add comments.
650         (make_regno_dead, make_regno_born_and_dead,
651         create_start_finish_chains, print_allocno_live_ranges,
652         print_live_ranges): Add protoypes.
654         * ira-build.c: Add comments.
655         (copy_allocno_live_range_list): Make it static.
657         * ira.c: Add comments.
658         (setup_cover_classes): Rename to
659         setup_cover_and_important_classes.
660         (free_register_move_costs, chain_freq_compare, chain_bb_compare,
661         ira): New prototypes.
662         (mode_inner_mode, setup_inner_mode, ira_allocate_regset,
663         ira_free_regset): Remove.
665         * ira.h: Add comments.
666         (SECONDARY_INPUT_RELOAD_CLASS,
667         SECONDARY_OUTPUT_RELOAD_CLASS, HAVE_SECONDARY_RELOADS,
668         MEMORY_MOVE_COST, reg_equiv_memory_loc_varray, reg_equiv_constant,
669         reg_equiv_memory_loc, reg_equiv_address, reg_equiv_mem, ira):
670         Remove.
671         
672         * ira-costs.c: Add comments.
673         (find_allocno_class_costs): Make common class a cover class.
674         
675 2008-03-20  Vladimir Makarov  <vmakarov@redhat.com>
677         * ira-int.h (allocno): Rename conflict_allocno_vec and
678         conflict_allocno_vec_size into conflict_allocno_array and
679         conflict_allocno_array_size.  Remove conflict_allocnos_num.
680         Rename total_conflict_allocnos_num into conflict_allocnos_num New
681         members child_renamed_p and conflict_vec_p.
682         (ALLOCNO_CONFLICT_ALLOCNO_VEC): Rename to
683         ALLOCNO_CONFLICT_ALLOCNO_ARRAY.
684         (ALLOCNO_CONFLICT_ALLOCNO_VEC_SIZE): Rename to
685         ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE.
686         (ALLOCNO_CHILD_RENAMED_P, ALLOCNO_CONFLICT_VEC_P): New macros.
687         (EXECUTE_IF_SET_IN_ALLOCNO_SET): Change to
688         FOR_EACH_ALLOCNO_IN_SET.
689         (allocno_set_iterator): New typedef.
690         (allocno_set_iter_init, allocno_set_iter_cond,
691         allocno_set_iter_next): New functions.
692         (conflict_vector_profitable_p, allocate_allocno_conflict_vec): New
693         prototypes.
694         (allocno_iterator): New typedef.
695         (allocno_iter_init, allocno_iter_cond): New functions.
696         (FOR_EACH_ALLOCNO): New macro.
697         (copy_iterator): New typedef.
698         (copy_iter_init, copy_iter_cond): New functions.
699         (FOR_EACH_COPY): New macro.
700         (allocno_conflict_iterator): New typedef.
701         (allocno_conflict_iter_init, allocno_conflict_iter_cond,
702         allocno_conflict_iter_next): New functions.
703         (conflict_vector_profitable_p, allocate_allocno_conflict_vec): New
704         prototypes.
705         (FOR_EACH_ALLOCNO_CONFLICT): New macro.
707         * ira-conflicts.c (conflicts): Change type.
708         (CONFLICT_P): Use one more index for conflicts.
709         (build_conflict_bit_table): Change allocation and initialization
710         of conflicts.
711         (mirror_conflicts): Rewrite.
712         (remove_conflict_allocno_copies): Use FOR_EACH_ALLOCNO.
713         (build_allocno_conflict_vects): Rename to build_allocno_conflicts.
714         Rewrite it.
715         (print_conflicts): Use FOR_EACH_ALLOCNO, don't print star.
716         (ira_build_conflicts): Use FOR_EACH_ALLOCNO.
718         * ira-color.c (assign_hard_reg): Use FOR_EACH_ALLOCNO_CONFLICT.
719         Use min_full_cost for finding register profitability.
720         (push_allocno_to_stack): Use FOR_EACH_ALLOCNO_CONFLICT.
721         (setup_allocno_left_conflicts_num, coalesced_allocno_conflict_p):
722         Ditto.
723         (move_spill_restore): Use FOR_EACH_ALLOCNO.
724         (reassign_conflict_allocnos): Ditto.  Use
725         FOR_EACH_ALLOCNO_CONFLICT.
726         (sort_regnos_for_alter_reg): Use FOR_EACH_ALLOCNO.
727         (reassign_pseudos): Use FOR_EACH_ALLOCNO_CONFLICT.
729         * ira-lives.c (make_regno_born, clear_allocno_live,
730         mark_reg_death, process_single_reg_class_operands,
731         process_bb_node_lives): Use FOR_EACH_ALLOCNO_IN_SET.
732         (create_start_finish_chains, print_live_ranges): Use
733         FOR_EACH_ALLOCNO.
735         * ira-emit.c (set_allocno_reg): Set up ALLOCNO_CHILD_RENAMED_P.
736         (set_allocno_somewhere_renamed_p): Use
737         ALLOCNO_CONFLICT_ALLOCNO_ARRAY.
738         (ira_emit): Use FOR_EACH_ALLOCNO.
740         * ira.c (setup_reg_renumber, setup_allocno_assignment_flags,
741         calculate_allocation_cost, check_allocation,
742         print_redundant_copies, setup_preferred_alternate_classes): Use
743         FOR_EACH_ALLOCNO.
745         * ira-costs.c (print_costs, setup_allocno_cover_class_and_costs,
746         ira_costs, tune_allocno_costs_and_cover_classes): Use
747         FOR_EACH_ALLOCNO.
749         * ira-build.c (check_allocno_conflict_vec): Remove.
750         (add_to_allocno_conflict_vec): Rename to
751         allocate_allocno_conflicts.  Rewrite.
752         (allocate_allocno_conflict_bit_vec, allocate_allocno_conflicts,
753         remove_wrong_conflicts, change_allocno_conflicts): New functions.
754         (rebuild_regno_allocno_maps): Use FOR_EACH_ALLOCNO.
755         (create_allocno): Initialize ALLOCNO_CHILD_RENAMED_P and
756         ALLOCNO_CONFLICT_VEC_P.
757         (conflict_vector_profitable_p): New function.
758         (compress_allocno_conflict_vec): Use
759         ALLOCNO_CONFLICT_ALLOCNO_ARRAY and don't use
760         ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM.
761         (compress_conflict_vecs): Use FOR_EACH_ALLOCNO.  Check
762         ALLOCNO_CONFLICT_VEC_P.
763         (propagate_info_to_cap): Use FOR_EACH_ALLOCNO_CONFLICT.
764         (finish_allocnos): Use FOR_EACH_ALLOCNO.
765         (finish_copies): Use FOR_EACH_COPY.
766         (check_and_add_conflicts): Change second parameter.  Use
767         add_to_allocno_conflicts instead of add_to_allocno_conflict_vec.
768         (temp_change_bit_vec): New variable.
769         (ira_flattening): Use FOR_EACH_ALLOCNO and FOR_EACH_COPY.  Use
770         remove_wrong_conflicts, change_allocno_conflicts.  Allocate and
771         free temp_change_bit_vec.  Nullify `allocnos' elements for removed
772         allocnos.  Check ALLOCNO_CHILD_RENAMED_P for removing obsolete
773         conflicts.  Don't compress and enumerate allocnos and copies.
774         Nullify `copies' elements for removed copies.  Use
775         add_to_allocno_conflicts instead of add_to_allocno_conflict_vec.
776         (ira_build): Use FOR_EACH_ALLOCNO.
777         
778 2008-03-18  Vladimir Makarov  <vmakarov@redhat.com>
780         * common.opt (fira-algorithm): Fix description
782         * ira-int.h (allocno): Remove best_class.
783         (ALLOCNO_BEST_CLASS): Remove.
784         (strict_class_subset_p): Remove.
785         
786         * ira-color.c (get_coalesced_allocnos_best_class_and_freq): Rename
787         to get_coalesced_allocnos_attributes.  Change prototype.
788         Calculate available regs.
789         (bucket_allocno_compare_func, sort_bucket): New functions.
790         (sorted_allocnos_for_spilling): New variable.
791         (assign_hard_reg): Don't add prohibited_class_mode_regs to
792         conflicting_regs.  Use it in loop for finding the best hard
793         register.
794         (add_allocno_to_ordered_bucket): Use bucket_allocno_compare_func.
795         (push_only_colorable): Call sort_bucket.
796         (push_allocnos_to_stack): Use sorted_allocnos_for_spilling instead
797         of sorted_allocnos.
798         (put_allocno_into_bucket): Use add_allocno_to_bucket instead of
799         add_allocno_to_ordered_bucket.
800         (initiate_ira_assign): Allocate sorted_allocnos_for_spilling.
801         (finish_ira_assign): Free sorted_allocnos_for_spilling.
803         * ira-emit.c (modify_move_list): Remove setting ALLOCNO_BEST_CLASS
804         up.
805         
806         * ira-build.c (create_allocno, create_cap_allocno): Ditto.
807         
808         * ira.c (strict_class_subset_p): Remove.
809         (setup_class_subset_and_memory_move_costs): Remove setting
810         strict_class_subset_p up.
811         
812         * ira-costs.c (setup_allocno_cover_class_and_costs): Remove
813         setting ALLOCNO_BEST_CLASS up.
814         
815 2008-03-12  Vladimir Makarov  <vmakarov@redhat.com>
817         * ira-int.h (allocno_pool, copy_pool, allocno_live_range_pool):
818         Remove external definitions.
819         (free_allocno_updated_costs, allocate_cost_vector,
820         free_cost_vector): New prototypes.
821         (allocate_and_set_costs, allocate_and_copy_costs,
822         allocate_and_set_or_copy_costs): Change prototypes.  Use
823         allocate_cost_vector instead of ira_allocate.
825         * ira-conflicts.c (add_insn_allocno_copies): Pass register class
826         to allocate_and_set_costs.
828         * ira-color.c (update_copy_costs_1): Pass register class to
829         allocate_and_set_or_copy_costs.
830         (assign_hard_reg): Pass register class to allocate_and_copy_costs.
831         Free updated costs.
832         (pop_allocnos_from_stack, color_allocnos): Check updated costs.
833         (color_pass): Pass register class to allocate_and_set_costs.  Free
834         updated costs.
835         (move_spill_restore): Check reg equivalences.
836         (setup_curr_costs): Pass register class to
837         allocate_and_set_or_copy_costs.
838         (reassign_conflict_allocnos, allocno_reload_assign): Check updated
839         costs.
840         (calculate_spill_cost): Use REG_N_REFS after checking regno.
842         * ira-lives.c (process_single_reg_class_operands): Pass register
843         class to allocate_and_set_costs.
845         * ira-build.c (allocno_pool, allocno_live_range_pool): New
846         variables.
847         (initiate_allocnos): Initiate the pools.
848         (free_allocno_updated_costs): New function.
849         (finish_allocno): Use free_cost_vector.  Free the pools.
850         (copy_pool): New variable.
851         (initiate_copies): Initiate the pool.
852         (cost_vector_pool): New variable.
853         (initiate_cost_vectors, allocate_cost_vector, free_cost_vector,
854         finish_cost_vectors): New functions.
855         (ira_flattening): Call free_allocno_updated_costs.  Check updated
856         costs.
857         (ira_build): Call initiate_cost_vectors.
858         (ira_destroy): Call finish_cost_vectors.
860         * ira.c (find_reg_equiv_invariant_const): Check read only memory.
861         (setup_reg_renumber, setup_allocno_assignment_flags): Call
862         free_allocno_updated_costs.
863         (ira): Remove initializations and freeing allocno_pool, copy_pool,
864         and allocno_live_range_pool.  Call generate_setjmp_warnings.
866         * ira-costs.c (process_bb_node_for_hard_reg_moves,
867         tune_allocno_costs_and_cover_classes): Pass register class to
868         allocate_and_set_costs.
870         * caller-save.c (save_slots_num, save_slots): New variables.
871         (init_save_areas): Initiate save_slots_num.
872         (setup_save_areas): Use stack slots from the previous reload
873         iteration independetly what slot was used on the previous pass.
874         
875 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
877         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
878         Remove commutativity hint.
880 2008-03-06  Vladimir Makarov  <vmakarov@redhat.com>
882         * ira.h (sort_regnos_for_alter_reg): Add parameter.
883         
884         * reload1.c (reload): Pass additional argument to
885         sort_regnos_for_alter_reg.
887         * ira-int.h (reg_equiv_len): New global variable.
889         * ira-emit.c (change_loop): Add assertion.
891         * ira.c (reg_equiv_len): New global variable.
892         (setup_reg_renumber): Use reg_equiv_len in assertion.
893         (ira): Initialize reg_equiv_len and spilled_reg_stack_slots.
895         * ira-color.c (coalesced_pseudo_reg_compare): Rename to
896         coalesced_pseudo_reg_freq_compare.
897         (coalesced_pseudo_reg_slot_compare,
898         setup_coalesced_allocno_costs_and_nums,
899         collect_spilled_coalesced_allocnos, coalesce_spill_slots): New
900         functions.
901         (coalesced_allocno_conflict_p): Add new parameter.  Use live
902         ranges to find conflicts for the reload.
903         (coalesce_allocnos): Don't coalesce allocnos with equivalences.
904         (color_pass): Check reg_quiv_len.
905         (regno_max_ref_width): New variable.
906         (sort_regnos_for_alter_reg): Add secondary coalescing spilled
907         allocnos.  Assign stack slot numbers.  Use costs instead of
908         frequencies.
909         (mark_allocation_change): Set up allocno hard regno.
910         (allocno_reload_assign): Ditto.
911         (reuse_stack_slot): Use stack slot numbers.
912         (mark_new_stack_slot): Set up allocno slot number.
914         * doc/passes.texi: Add more info about IRA.
915         
916 2008-03-03  Vladimir Makarov  <vmakarov@redhat.com>
918         * ira-conflicts.c (allocno_conflict_p): Rename to
919         allocno_live_ranges_intersect_p.
920         (allocno_reg_conflict_p): Rename to
921         pseudo_live_ranges_intersect_p.
923         * ira-lives.c (high_pressure_start_point): New variable.
924         (update_allocno_pressure_excess_length): New function.
925         (make_regno_dead): Call it.
926         (set_allocno_live): Udpate high_pressure_start_point.
927         (clear_allocno_live, mark_reg_store, mark_reg_death): Ditto.
928         (process_bb_node_lives): Initialize high_pressure_start_point.
929         Consider only allocatable hard regs for liveness.
930         
931         * ira-costs.c (record_reg_classes): Multiply cost by frequency.
932         Use half frequency when memory is allowed.  Remove check for
933         prefferred small register classes of pseudo-registers.
934         (scan_one_insn): Continue processing operands for moves of
935         pseudo-registers with equivalence.  Don't multiply cost by
936         frequency.
937         (init_ira_costs): Use bigger initial cost value.
938         
939         * ira-int.h: Ditto.
940         (allocno): New members somewhere_renamed_p and
941         excess_pressure_points_num.
942         (ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_EXCESS_PRESSURE_POINTS_NUM):
943         New macros.
944         (allocno_reg_conflict_p): Rename to
945         pseudo_live_ranges_intersect_p.
946         (allocno_conflict_p): Rename to allocno_live_ranges_intersect_p.
948         * ira.h (sort_regnos_for_alter_reg, better_spill_reload_regno_p):
949         New function prototypes.
950         
951         * ira-color.c (merge_allocnos): Remove mode check.
952         (coalesce_allocnos): Add parameter and modify to use it for
953         coalescing spilled allocnos.
954         (color_allocnos): Pass parameter to coalesce_allocnos.
955         (regno_coalesced_allocno_freq, regno_coalesced_allocno_num): New
956         variables.
957         (coalesced_pseudo_reg_compare, calculate_spill_cost,
958         sort_regnos_for_alter_reg, better_spill_reload_regno_p): New
959         functions.
960         (mark_allocation_change, allocno_reload_assign, reassign_pseudos
961         ): Use ALLOCNO_MEMORY_COST instead of ALLOCNO_UPDATED_MEMORY_COST.
962         (reuse_stack_slot): Use pseudo_live_ranges_intersect_p instead of
963         allocno_reg_conflict_p.
964         
965         * ira-emit.c (set_allocno_somewhere_renamed_p): New function.
966         (renamed_regno_bitmap): New static variable.
967         (change_loop): Check register pressure for creating new pseudo.
968         Set up ALLOCNO_SOMEWHERE_RENAMED_P and renamed_regno_bitmap.
969         (ira_emit): Allocate/deallocate renamed_regno_bitmap.
970         Call set_allocno_somewhere_renamed_p.
972         * ira-build.c (ira_loops): Move to ira.c.
973         (create_allocno): Initialize ALLOCNO_SOMEWHERE_RENAMED_P and
974         ALLOCNO_MEMORY_COST.
975         (create_cap_allocno): Set up ALLOCNO_MEMORY_COST.
976         (check_and_add_conflicts): Use allocno_live_ranges_intersect_p
977         instead of allocno_conflict_p.
978         (ira_flattening): Check conflicts of allocno renamed somewhere
979         locally.  Update ALLOCNO_EXCESS_PRESSURE_POINTS_NUM.
980         (ira_build): Move code for finding loops to ira.c.
981         (ira_destroy): Move code for freeing loops to ira.c.
983         * ira.c (setup_reg_class_intersect_union): Fix calculation of
984         reg_class_union.
985         (calculate_allocation_cost): Use ALLOCNO_MEMORY_COST instead of
986         ALLOCNO_UPDATED_MEMORY_COST.
987         (ira_loops): Move from ira-build.c.
988         (ira): Move code for finding and freeing loops from ira-build.c.
989         Don't use regional RA when there are too many loops.
991         * reload1.c (pseudo_reg_compare): Remove.
992         (reload): Use sort_regnos_for_alter_reg.
993         (hard_regno_to_pseudo_regno): New variable.
994         (count_pseudo): Set up hard_regno_to_pseudo_regno.
995         (order_regs_for_reload): Initialize hard_regno_to_pseudo_regno.
996         (count_spilled_pseudo): Update hard_regno_to_pseudo_regno.
997         (find_reg): Use better_spill_reload_regno_p.  Check
998         hard_regno_to_pseudo_regno.
1000         * cfgloopanal.c: Include params.h.
1001         (estimate_reg_pressure_cost): Check number of loops.
1003         * params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
1005         * params.h (IRA_MAX_LOOPS_NUM): New macro.
1007         * Makefile.in (cfgloopanal.o): Add PARAMS_H.
1008         
1009         * doc/invoke.texi (ira-max-loops-num): Describe.
1010         
1011 2008-02-20  Vladimir Makarov  <vmakarov@redhat.com>
1013         * ira.h, ira-emit.c: Add year 2008 to the copyright.
1014         
1015         * ira-int.h: Ditto.
1016         (struct copy): Rename move_insn to insn.
1017         (initiate_ira_assign, finish_ira_assign, debug_allocno_copies):
1018         New function prototypes.
1019         
1020         * ira-build.c: Add year 2008 to the copyright.  Rename member
1021         move_insn of the copies to insn.
1022         (find_allocno_copy): New function.
1023         (propagate_info_to_cap, add_allocno_copy): Use it.
1024         (print_allocno_copies, debug_allocno_copies): New functions.
1025         
1026         * ira-conflicts.c: Add year 2008 to the copyright.  Rename member
1027         move_insn of the copies to insn.
1029         * ira.c: Ditto.
1030         (setup_reg_class_intersect_union): Fix reg_class_union for cover
1031         classes.
1032         (ira): Call initiate_ira_assign and finish_ira_assign.  Remove
1033         setting reload_completed up.
1034         
1035         * ira-costs.c: Add year 2008 to the copyright.
1036         (ira_costs): Check modes of registers.
1038         * ira-lives.c: Add year 2008 to the copyright.
1039         (mark_reg_store, mark_reg_death, process_bb_node_lives): Don't use
1040         REG_N_REFS.
1041         (process_single_reg_class_operands): Check that the hard reg
1042         belongs to the cover class.
1044         * ira-color.c: Add year 2008 to the copyright.  Rename member
1045         move_insn of the copies to insn.
1046         (initiate_cost_update, finish_cost_update, update_copy_costs_1):
1047         New functions.
1048         (allocno_update_cost_check, update_cost_check): New static
1049         variables.
1050         (update_copy_costs): Increment update_cost_check.  Call
1051         update_copy_costs_1.
1052         (coalesce_allocnos): Don't coalesce already assigned allocnos or
1053         copies with null insn.
1054         (color_pass): Check loop tree node of the subloop allocno.
1055         (finish_allocno_priorities): Remove.
1056         (do_coloring): Move allocation/deallocation of
1057         consideration_allocno_bitmap into initiate_cost_update and
1058         finish_cost_update.
1059         (reassign_conflict_allocnos): Remove allocation/deallocation of
1060         sorted_allocnos.  Remove call of finish_allocno_priorities.
1061         (reassign_pseudos): Remove allocation/deallocation of
1062         consideration_allocno_bitmap and sorted_allocnos.  Remove call of
1063         finish_allocno_priorities.
1064         (initiate_ira_assign, finish_ira_assign): New fucntions.
1065         (ira_color): Remove allocation/deallocation of sorted_allocnos.
1066         Call initiate_ira_assign and finish_ira_assign.
1067         
1068         * postreload.c (gate_handle_postreload): Don't do post reload
1069         optimizations unless the reload is completed.
1070         
1071         * cfgloopanal.c (estimate_reg_pressure_cost): Return zero if we
1072         use regional RA.
1074         * recog.c (peep2_free_reg_search_ofs): New static variable.
1075         (peep2_find_free_register): Remove search_ofs.  Use
1076         peep2_free_reg_search_ofs instead of it.
1077         (peephole2_optimize): Reset peep2_free_reg_search_ofs.
1078         
1079 2008-01-10  Vladimir Makarov  <vmakarov@redhat.com>
1081         * reload1.c (compute_use_by_pseudos): Permits spilled registers in
1082         FROM.
1083         (temp_pseudo_reg_arr): New variable.
1084         (reload): Use instead temp_pseudo_reg_arr of pseudo_regs.  Move
1085         freeing to the function end.  Don't clear spilled_pseudos for IRA.
1086         Restore original insn chain for IRA.
1087         (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
1088         (count_pseudo, count_spilled_pseudo): Check spilled pseudos.
1089         (alter_reg): Set up spilled_pseudos.
1090         (finish_spills): Set up pseudo_previous_regs only for spilled
1091         pseudos.  Call reassign_pseudos once for all spilled pseudos,
1092         pass more arguments.  Don't clear live_throughout and dead_or_set
1093         for spilled pseudos.
1095 2008-01-10  Vladimir Makarov  <vmakarov@redhat.com>
1097         * reload1.c (compute_use_by_pseudos): Permits spilled registers in
1098         FROM.
1099         (temp_pseudo_reg_arr): New variable.
1100         (reload): Use instead temp_pseudo_reg_arr of pseudo_regs.  Move
1101         freeing to the function end.  Don't clear spilled_pseudos for IRA.
1102         Restore original insn chain for IRA.
1103         (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
1104         (count_pseudo, count_spilled_pseudo): Check spilled pseudos.
1105         (alter_reg): Set up spilled_pseudos.
1106         (finish_spills): Set up pseudo_previous_regs only for spilled
1107         pseudos.  Call reassign_pseudos once for all spilled pseudos,
1108         pass more arguments.  Don't clear live_throughout and dead_or_set
1109         for spilled pseudos.
1111         * global.c (reg_becomes_live, build_insn_chain): Don't ignore
1112         spilled pseudos for IRA.
1113         
1114         * caller-save.c (calculate_local_save_info,
1115         save_call_clobbered_regs): Ignore spilled pseudos for IRA.
1116         
1117         * toplev.c (backend_init_target): Call init_ira.
1118         (backend_init): Move call of init_ira_once before
1119         backend_init_target.
1120         
1121         * ira.h (init_ira, sort_insn_chain, mark_memory_move_deletion):
1122         New function prototypes.
1123         (retry_ira_color): Rename to reassign_pseudos.  Change
1124         signature.
1126         * ira-int.h (allocno): New member dont_reassign_p.
1127         (ALLOCNO_DONT_REASSIGN_P): New macro.
1128         (memory_move_cost): Change element type.
1129         (register_move_cost): Change type.
1130         (register_may_move_in_cost, register_may_move_out_cost,
1131         reg_class_intersect): New arrays.
1132         (important_class_nums): Fix element type.
1133         (hard_reg_not_in_set_p): Make it static inline.
1134         (init_register_move_cost, init_ira_costs): New function
1135         prototypes.
1136         (allocno_conflict_index): Remove.
1137         (allocate_and_set_costs, allocate_and_copy_costs,
1138         allocate_and_set_or_copy_costs): New static inline functions.
1139         
1140         * ira-build.c (compress_allocno_conflict_vec,
1141         compress_conflict_vecs): New functions.
1142         (allocno_conflict_index): Remove.
1143         (allocno_conflict_check, curr_allocno_conflict_check_tick): New
1144         variables.
1145         (propagate_info_to_cap): Use allocate_and_copy_costs.
1146         (check_and_add_conflicts): Don't call allocno_conflict_index.
1147         (ira_flattening): Add some assertions.  Check that cost vectors
1148         have been allocated.  Don't call allocno_conflict_index.  Call
1149         compress_conflict_vecs.
1151         * ira.c (memory_move_cost, register_move_cost): Change types.
1152         (register_may_move_in_cost, register_may_move_out_cost,
1153         strict_class_subset_p): New variables.
1154         (setup_class_subset_and_move_costs): Rename to
1155         setup_class_subset_and_memory_move_costs.  Remove
1156         register_move_cost setup.  Don't consider no_unit_alloc_regs.  Add
1157         strict_class_subset_p setup.
1158         (setup_reg_class_intersect): Rename to
1159         setup_reg_class_intersect_union.  Don't consider
1160         no_unit_alloc_regs.  Add reg_class_union setup.
1161         (hard_reg_not_in_set_p): Move to ira-int.h.
1162         (setup_reg_subclasses): Use no_unit_alloc_regs instead of
1163         fixed_reg_set.  Don't consider no_unit_alloc_regs.
1164         (important_class_nums): Fix element type.
1165         (setup_cover_classes): Use no_unit_alloc_regs instead of
1166         fixed_reg_set.  Don't consider no_unit_alloc_regs.
1167         (setup_class_translate): Ditto.
1168         (reg_class_union): New variable.
1169         (init_register_move_cost, free_register_move_costs): New
1170         functions.
1171         (init_ira_once): Initialize register_move_cost,
1172         register_may_move_in_cost, register_may_move_out_cost.  Move some
1173         code to init_ira.
1174         (init_ira): New function.  Move some code from init_ira_once.
1175         Call free_register_move_costs and init_ira_costs.
1176         (calculate_allocation_cost): Check allocation of allocno hard reg
1177         cost vector.
1178         (basic_block_order_nums): New variable.
1179         (chain_freq_compare, chain_bb_compare, sort_insn_chain): New
1180         functions.
1181         (ira): Call sort_insn_chain.
1183         * ira-color.c (allocno_coalesced_p): New variable.
1184         (update_copy_costs): Use allocate_and_set_or_copy_costs.
1185         (assign_hard_reg): Clear and use
1186         processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
1187         Use allocate_and_copy_costs.  Use allocno cover class cost if the
1188         hard register cost vector is not allocated.
1189         (get_coalesced_allocnos_best_class_and_freq): Use
1190         reg_class_intersect instead of reg_class_subintersect.
1191         (add_allocno_to_ordered_bucket): Use strict_class_subset_p.
1192         (push_allocno_to_stack): Clear and use
1193         processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
1194         (setup_allocno_left_conflicts_num): Don't setup
1195         ALLOCNO_UPDATED_HARD_REG_COSTS and
1196         ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.  Clear and use
1197         processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
1198         (put_allocno_into_bucket): Don't setup
1199         ALLOCNO_UPDATED_HARD_REG_COSTS and
1200         ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.
1201         (coalesced_allocno_conflict_p): Clear and use
1202         processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
1203         (coalesce_allocnos): Setup allocno_coalesced_p.
1204         (color_allocnos): Add processing reg class NO_REGS.
1205         (color_pass): Propagate assignment of spilled allocno not
1206         mentioned in the subregion for the mixed algorithm.  Use
1207         allocate_and_set_costs.
1208         (move_spill_restore, mark_allocation_change): Check unallocated
1209         hard reg cost vectors.
1210         (setup_curr_costs): Don't setup ALLOCNO_UPDATED_HARD_REG_COSTS and
1211         ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.  Use
1212         allocate_and_set_or_copy_costs.
1213         (mark_memory_move_deletion, allocno_reload_assign,
1214         pseudo_reg_compare, reassign_pseudos): New functions.
1215         (retry_ira_color): Remove.
1216         
1217         * ira-conflicts.c (add_insn_allocno_copies): Use
1218         allocate_and_set_costs.
1219         (allocno_conflict_p): Simplify the code.
1220         
1221         * ira-costs.c: Rename reg_class_subunion to reg_class_union
1222         everywhere.
1223         (cost_classes, cost_classes_num, cost_class_nums,
1224         max_struct_costs_size): New variables.
1225         (copy_cost): Use init_register_move_cost instead of
1226         init_move_cost.
1227         (record_reg_classes): Ditto.  Use cost_classes and
1228         cost_classes_num instead of important_classes and
1229         important_classes_num.  Use register_may_move_{in,out}_cost
1230         instead of may_move_{in,out}_cost.  Check reg class intersection
1231         for alt_cost.
1232         (record_address_regs): Use init_register_move_cost instead of
1233         init_move_cost.  Use cost_classes and cost_classes_num instead of
1234         important_classes and important_classes_num.  Use
1235         register_may_move_in_cost instead of may_move_in_cost.
1236         (scan_one_insn): Use cost_classes_num instead of
1237         important_classes_num.
1238         (print_costs): Use cost_classes and cost_classes_num instead of
1239         important_classes and important_classes_num.
1240         (find_allocno_class_costs): Initialize cost_classes and
1241         cost_class_nums.  Use cost_classes and cost_classes_num instead of
1242         important_classes and important_classes_num.
1243         (process_bb_node_for_hard_reg_moves): Use allocate_and_set_costs.
1244         (setup_allocno_cover_class_and_costs): Use cost_classes and
1245         cost_classes_num instead of important_classes and
1246         important_classes_num.
1247         (init_ira_costs_once): Move some code to init_ira_costs.  Initiate
1248         cost_classes.
1249         (free_ira_costs: New function.  Move some code from
1250         finish_ira_costs_once.
1251         (init_ira_costs): New function.  Move some code from
1252         init_ira_costs_once.  Use max_struct_costs_size instead of
1253         struct_costs_size.  Call free_ira_costs.  Allocate cost_classes.
1254         (finish_ira_costs_once): Move some code to finish_ira_costs.  Call
1255         free_ira_costs.
1256         (ira_costs): Use max_struct_costs_size instead of
1257         struct_costs_size.  Use allocate_and_set_costs.
1259         * ira-emit.c (modify_move_list): Remove allocation of hard reg
1260         cost vectors.
1262         * ira-lives.c (process_single_reg_class_operands): Add new
1263         parameter freq.  Calculate costs basing on the frequency.
1264         (process_bb_node_lives): Pass the frequency to
1265         process_single_reg_class_operands.
1266         
1267 2007-12-17  Vladimir Makarov  <vmakarov@redhat.com>
1269         * doc/invoke.texi (fira-algoirthm): Remove prioirity coloring.
1270         Make mixed the default.
1272         * flags.h (ira_algorithm): Remove IRA_ALGORITHM_PRIORITY.
1274         * ira-color.c (priority_coloring):  Remove.
1275         (do_coloring): Don't call priority_coloring.
1277         * opts.c (common_handle_option): Remove priority coloring option.
1279         * toplev.c (flag_ira_algorithm): Assign IRA_ALGORITHM_MIXED.
1280         
1281         * ira-build.c (check_and_add_conflicts, ira_flattening): Increase
1282         threshold for internal_flag_ira_verbose.
1283         
1284 2007-12-17  Vladimir Makarov  <vmakarov@redhat.com>
1286         * common.opt (fira-assign-after-call-split, fira-biased-coloring,
1287         fira-split-around-calls): Remove.
1288         (fdump-simple-rtl, fira-verbose): New options.
1289         (fira, fira-coalesce): Initiate by 0.
1291         * opts.c (common_handle_option):  Process flag_ira_verbose.
1293         * flags.h (flag_ira_verbose): New external definition.
1295         * toplev.h (flag_ira_assign_after_call_split,
1296         flag_ira_biased_coloring, flag_ira_split_around_calls):  Remove.
1298         * toplev.c (flag_ira_verbose): New external declaration.
1299         (finalize): Call finish_ira_once.
1301         * print-rtl.c (flag_simple):  Rename to flag_dump_simple_rtl.
1303         * doc/invoke.texi (-fno-ira-assign-after-call-split,
1304         -fira-biased-coloring, -fno-ira-split-around-calls):  Remove.
1305         (-fdump-simple-rtl, -fira-verbose): New options.
1307         * caller-save.c (insert_restore, insert_save): Use
1308         adjust_address_nv instead of adjust_address.  Check the mode by
1309         reg_save_code.
1311         * ira-call.c: Remove file.
1313         * ira-lives.c: New file.
1315         * Makefile.in (ira-live.o): Add
1316         (ira-call.o): Remove.
1317         (IRA_INT_H): Add alloc-pool.h.
1319         * ira.h (finish_ira_once): New external definition.
1321         * ira-int.h (internal_flag_ira_verbose, alloc_pool allocno_pool,
1322         copy_pool, allocno_live_range_pool, ira_loop_tree_height,
1323         max_point, start_point_ranges, finish_point_ranges,
1324         prohibited_mode_move_regs, important_class_nums,
1325         ira_curr_regno_allocno_map, allocno_set_words): New external
1326         definitions.
1327         (loop_tree_node_t, allocno_live_range_t): New typedefs.  Use them
1328         everywhere.
1329         (ira_loop_tree_node): Rename to loop_tree_node.
1330         (loop_tree_node): New member level.
1331         (allocno_live_range): New structure.
1332         (allocno): New members nrefs, live_ranges,
1333         total_conflict_hard_regs, conflict_allocnos_num,
1334         total_conflict_allocnos_num, mem_optimized_dest,
1335         mem_optimized_dest_p, total_no_stack_reg_p.  Remove members
1336         conflict_allocno_vec_active_size and original_memory_cost.  Rename
1337         member curr_hard_reg_costs to updated_hard_reg_costs.
1338         (ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM,
1339         ALLOCNO_TOTAL_CONFLICT_HARD_REGS, ALLOCNO_CONFLICT_ALLOCNOS_NUM,
1340         ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM, ALLOCNO_NREFS,
1341         ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
1342         ALLOCNO_TOTAL_NO_STACK_REG_P, ALLOCNO_LIVE_RANGES): New access
1343         macros.
1344         (ALLOCNO_CONFLICT_ALLOCNO_VEC_ACTIVE_SIZE,
1345         ALLOCNO_ORIGINAL_MEMORY_COST): Remove.
1346         (ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS): Rename to
1347         ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.
1348         (allocno_copy): New member loop_tree_node.
1349         (INT_BITS, INT_TYPE, EXECUTE_IF_SET_IN_ALLOCNO_SET): Move from
1350         ira-conflicts.c.
1351         (SET_ALLOCNO_SET_BIT, CLEAR_ALLOCNO_SET_BIT,
1352         TEST_ALLOCNO_SET_BIT): New macros.
1353         (ira_reallocate, allocno_conflict_index, add_allocno_conflict,
1354         create_allocno_live_range, finish_allocno_live_range,
1355         add_allocno_copy_to_list, swap_allocno_copy_ends_if_necessary,
1356         remove_allocno_copy_from_list, add_allocno_copy, ira_flattening,
1357         finish_ira_costs_once, rebuild_start_finish_chains,
1358         print_live_range_list, debug_live_range_list,
1359         debug_allocno_live_ranges, debug_live_ranges,
1360         create_allocno_live_ranges, finish_allocno_live_ranges,
1361         allocno_conflict_p, loop_edge_freq): New external function
1362         definitions.
1363         (hard_reg_in_set_p, original_regno_call_crossed_p,
1364         ira_max_regno_before, ira_max_regno_call_before): Remove.
1365         (traverse_loop_tree): Add new parameter type.
1366         (create_copy): Ditto.
1367         (debug_conflicts, ira_emit, add_allocno_copy): Add parameter.
1368         (debug_ira_call_data, split_around_calls, get_around_calls_regno):
1369         Remove.
1370         
1371         * ira.c (setup_prohibited_mode_move_regs): New function.
1372         (internal_flag_ira_verbose, allocno_pool, copy_pool,
1373         allocno_live_range_pool, important_class_nums): New external
1374         variables.
1375         (IRA_NO_OBSTACK): Uncomment it.
1376         (ira_reallocate): New function.
1377         (setup_cover_classes): Set up important_class_nums.
1378         (finish_ira_once): New function.
1379         (prohibited_mode_move_regs,
1380         prohibited_mode_move_regs_initialized_p): New global variables.
1381         (setup_prohibited_mode_move_regs): New function.
1382         (setup_reg_renumber): Remove parameters.
1383         (setup_allocno_assignment_from_reg_renumber): Rename to
1384         setup_allocno_assignment_flags.  Set up ALLOCNO_ASSIGNED_P.
1385         (calculate_allocation_cost): Use ALLOCNO_UPDATED_MEMORY_COST.
1386         (ira_max_regno_before, ira_max_regno_call_before): Remove.
1387         (ira): Set up internal_flag_ira_verbose.  Call
1388         setup_prohibited_mode_move_regs.  Create and destroy allocno,
1389         copy, and live range pools.  Remove original_regno_call_crossed_p.
1390         Report major passes.  Use argument for ira_emit.  Call
1391         ira_flattening and df_analyze.  Remove live range splitting around
1392         calls.
1393         
1394         * ira-build.c (setup_loop_tree_level, rebuild_regno_allocno_maps,
1395         expand_calls, compress_calls, allocno_conflict_index,
1396         add_to_allocno_conflict_vec, propagate_info_to_cap,
1397         copy_allocno_live_range, copy_allocno_live_range_list,
1398         finish_allocno, finish_copy,
1399         propagate_info_to_loop_tree_node_caps, merge_ranges,
1400         common_loop_tree_node_dominator, check_and_add_conflicts,
1401         add_conflict_with_underlying_allocnos, ira_flattening): New
1402         functions.
1403         (check_coalesced_allocnos): Remove.
1404         (ira_loop_tree_height): New external variable.
1405         (form_loop_tree): Call setup_loop_tree_level.
1406         (initiate_calls): Allocate a bit more.  (create_allocno): Use
1407         pool_alloc.  Set up ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM,
1408         ALLOCNO_TOTAL_CONFLICT_HARD_REGS, ALLOCNO_NREFS,
1409         ALLOCNO_TOTAL_NO_STACK_REG_P, ALLOCNO_MEM_OPTIMIZED_DEST,
1410         ALLOCNO_MEM_OPTIMIZED_DEST_P, ALLOCNO_UPDATED_MEMORY_COST, and
1411         ALLOCNO_LIVE_RANGES.  Rename
1412         ALLOCNO_CONFLICT_ALLOCNO_VEC_ACTIVE_SIZE,
1413         ALLOCNO_CURR_HARD_REG_COSTS, and
1414         ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS to
1415         ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_UPDATED_HARD_REG_COSTS, and
1416         ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.
1417         (add_allocno_conflict): Make it external.  Use
1418         add_to_allocno_conflict_vec.
1419         (create_cap_allocno): Move part of code to propagate_info_to_cap.
1420         (finish_allocnos): Use finish_allocno.
1421         (add_allocno_copy_to_list, remove_allocno_copy_from_list,
1422         swap_allocno_copy_ends_if_necessary, add_allocno_copy): Move from
1423         ira-conflicts.c.  Make them external.
1424         (create_copy): Use pool_alloc.  Add parameter loop_tree_node.
1425         (finish_copies): Use finish_copy.
1426         (ira_curr_regno_allocno_map): New external variable.
1427         (traverse_loop_tree): Add parameter bb_first_p.
1428         (create_insn_allocnos): Update ALLOCNO_NREFS.
1429         (create_loop_tree_node_allocnos): Traverse loop tree nodes with
1430         BBs first.  Update ALLOCNO_NREFS.
1431         (create_loop_tree_node_caps): Move part of code to
1432         propagate_info_to_loop_tree_node_cap.
1433         (regno_top_level_allocno_map): New global variable.
1434         (ira_build): Create caps before build conflicts.  Call
1435         create_allocno_live_ranges.  Propagate info to caps.  Report
1436         statistics.
1437         (ira_destroy): Call finish_allocno_live_ranges.
1439         * ira-conflicts.c (set_allocno_live, clear_allocno_live,
1440         record_regno_conflict, mark_reg_store, mark_reg_clobber,
1441         mark_reg_conflicts, mark_reg_death): Remove.
1442         (add_insn_allocno_copies, add_copies): New functions.
1443         (add_allocno_copy_to_list, remove_allocno_copy_from_list,
1444         swap_allocno_copy_ends_if_necessary, add_allocno_copy): Remove.
1445         (add_allocno_copies): Rename to add_insn_allocno_copies.  Use
1446         ira_curr_regno_allocno_map and add_insn_allocno_copies.
1447         (single_reg_class, single_reg_operand_class,
1448         process_single_reg_class_operands, process_bb_node_for_conflicts):
1449         Remove.
1450         (INT_BITS, INT_TYPE, EXECUTE_IF_SET_IN_ALLOCNO_SET): Move to
1451         ira-int.h.
1452         (allocnos_live_bitmap, SET_ALLOCNO_CONFLICT_ROW,
1453         CLEAR_ALLOCNO_CONFLICT_ROW, TEST_ALLOCNO_CONFLICT_ROW): Remove.
1454         (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE, TEST_ALLOCNO_LIVE):
1455         Use {SET, CLEAR, TEST}_ALLOCNO_SET_BIT.
1456         (allocno_row_words, hard_regs_live, curr_bb_node,
1457         curr_regno_allocno_map, curr_reg_pressure): Remove.
1458         (CONFLICTP): Rename to CONFLICT_P.
1459         (regs_set): Remove.
1460         (propagate_allocno_info): Use ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1461         Set up ALLOCNO_CALLS_CROSSED_START.
1462         (allocno_conflict_p): New function.
1463         (allocno_reg_conflict_p): Use allocno_conflict_p.
1464         (build_allocno_conflict_vects): Divide original and propagated
1465         conflicts.
1466         (print_hard_reg_set): New function.
1467         (print_conflicts): Use print_hard_reg_set.  Set up mark for the
1468         start of propagated conflicts.
1469         (debug_conflicts): Add parameter.
1470         (ira_build_conflicts): Call add_copies.  Set up
1471         ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1473         * ira-costs.c (struct costs): Make cost allocated dynamically.
1474         (struct_costs_size, temp_cots, op_costs, this_op_costs): New
1475         variables.
1476         (costs): Rename to total_costs.
1477         (COSTS_OF_ALLOCNO): New macro.
1478         (curr_regno_allocno_map): Remove.  Use ira_curr_regno_allocno_map
1479         instead.
1480         (record_reg_classes): Check NO_REGS in allocno_pref.
1481         (record_address_regs): Use COSTS_OF_ALLOCNO.
1482         (scan_one_insn): Ditto.
1483         (print_costs): Ditto.
1484         (find_allocno_class_costs): Ditto.  Pass additional argument to
1485         traverse_loop_tree.  Set up NO_REGS if memory is cheaper.
1486         (setup_allocno_cover_class_and_costs): Use
1487         ALLOCNO_UPDATED_MEMORY_COST instead of
1488         ALLOCNO_ORIGINAL_MEMORY_COST, ALLOCNO_UPDATED_HARD_REG_COSTS
1489         instead of ALLOCNO_CURR_HARD_REG_COSTS, and
1490         ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS instead of
1491         ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS.  Pass additional argument to
1492         traverse_loop_tree.
1493         (init_ira_costs_once): Allocate init_cost, op_costs,
1494         this_op_costs, temp_costs.
1495         (finish_ira_costs_once): New function.
1496         
1497         * ira-color.c: Use ALLOCNO_UPDATED_MEMORY_COST instead of
1498         ALLOCNO_ORIGINAL_MEMORY_COST, ALLOCNO_UPDATED_HARD_REG_COSTS
1499         instead of ALLOCNO_CURR_HARD_REG_COSTS, and
1500         ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS instead of
1501         ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS.  Use
1502         ALLOCNO_TOTAL_CONFLICT_HARD_REGS instead of
1503         ALLOCNO_CONFLICT_HARD_REGS.
1504         (processed_allocno_bitmap): Rename into
1505         processed_coalesced_allocno_bitmap.
1506         (allocno_cost_compare_func): Use ALLOCNO_UPDATED_MEMORY_COST
1507         instead of ALLOCNO_MEMORY_COST.
1508         (assign_hard_reg): Remove biased coloring.
1509         (add_allocno_to_ordered_bucket): Check cover class first.
1510         (loop_edge_freq): Make it external.
1511         (setup_allocno_left_conflicts_num): Check that conflicting
1512         allocnos of one class.
1513         (allocno_conflict_p): Rename to coalesced_allocno_conflict_p.
1514         (color_pass): Check pressure in the loop (not in subloops) for
1515         mixed algorithm.
1516         (allocno_priorities): New variable.
1517         (start_allocno_priorities, finish_allocno_priorities): New
1518         functions.
1519         (allocno_priority_compare_func): Use allocno_priorities.
1520         (priority_coloring): Call start_allocno_priorities and
1521         finish_allocno_priorities.
1522         (do_coloring): Pass additional argument to traverse_loop_tree.
1523         
1524         * ira-emit.c (struct move): Add member insn.
1525         (create_move): Initialize member insn.
1526         (generate_edge_moves): Set up ALLOCNO_MEM_OPTIMIZED_DEST and
1527         ALLOCNO_MEM_OPTIMIZED_DEST_P.
1528         (change_loop): Check prohibited_mode_move_regs.
1529         (curr_jump_map, can_move_through_p): Remove.
1530         (unify_moves): Don't move through jump.
1531         (modify_move_list): Set up attributes for new allocno used for
1532         breaking dependency loops.
1533         (emit_move_list): Set up insn codes.
1534         (update_costs, add_range_and_copies_from_move_list,
1535         add_ranges_and_copies): New functions.
1536         (ira_emit): Add a parameter.  Call add_ranges_and_copies.
1537         
1538 2007-10-09  Vladimir Makarov  <vmakarov@redhat.com>
1540         * toplev.h (flag_ira_coalesce): New external variable.
1542         * ira-int.h (allocno): New members first_coalesced_allocno,
1543         next_coalesced_allocno.
1544         (ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO):
1545         New macros.
1546         (reg_class_subintersect): New external variable.
1548         * ira-color.c (processed_allocno_bitmap): New variable.
1549         (allocno_cost_compare_func, print_coalesced_allocno): New
1550         functions.
1551         (assign_hard_reg): Process coalesced allocnos.
1552         (get_coalesced_allocnos_best_class_and_freq): New function.
1553         (add_allocno_to_ordered_bucket): Use the function.
1554         (push_allocno_to_stack, push_allocnos_to_stack): Process coalesced
1555         allocnos.
1556         (remove_allocno_from_bucket_and_push, pop_allocnos_from_stack):
1557         Use print_coalesced_allocno.
1558         (setup_allocno_available_regs_num,
1559         setup_allocno_left_conflicts_num): Process coalesced allocnos.
1560         (copy_freq_compare_func, allocno_conflict_p, coalesce_allocnos):
1561         New functions.
1562         (color_allocnos): Allocate/free processed_allocno_bitmap.  Call
1563         coalesce_allocnos.
1564         (priority_coloring): Allocate/free processed_allocno_bitmap.
1566         * ira-build.c (check_coalesced_allocnos): New function.
1567         (create_allocno): Initiate next_coalesced_allocno,
1568         first_coalesced_allocno.
1569         (create_cap_allocno): Check  next_coalesced_allocno,
1570         first_coalesced_allocno.
1572         * common.opt (fira-coalesce): New option.
1574         * ira.c (setup_reg_class_intersect): New function.
1575         (reg_class_subintersect): New global variable.
1576         (init_ira_once): Call setup_reg_class_intersect.
1578         * doc/invoke.texi (-fira-coalescing): New option.
1579         
1580 2007-09-20  Vladimir Makarov  <vmakarov@redhat.com>
1582         * ira-build.c (create_allocno): Initialize ALLOCNO_BEST_CLASS.
1584         * ira-color.c (add_allocno_to_ordered_bucket): Use
1585         ALLOCNO_BEST_CLASS.
1587         * ira-costs.c (setup_allocno_cover_class_and_costs): Initialize
1588         ALLOCNO_BEST_CLASS.
1590         * ira-int.h (allocno): New member best_class.
1591         (ALLOCNO_BEST_CLASS): New macro.
1592         
1593 2007-09-19  Vladimir Makarov  <vmakarov@redhat.com>
1595         * ira-int.h (allocno): Remove calls_crosed.  Add
1596         calls_crossed_start.
1597         (ALLOCNO_CALLS_CROSSED): Remove.
1598         (ALLOCNO_CALLS_CROSSED_START): Add.
1599         (build_df): Remove.
1600         (regno_calls, add_regno_call): New.
1601         
1602         * ira-build.c (initiate_calls, finish_calls, add_regno_call): New
1603         functions.
1604         (regno_calls, regno_calls_num): New globals.
1605         (build_df): Remove.
1606         (add_loop_to_tree): Use loop_outer.
1607         (form_loop_tree): Ditto.
1608         (initiate_allocnos, create_cap_allocno): Remove
1609         ALLOCNO_CALLS_CROSSED.  Add ALLOCNO_CALLS_CROSSED_START.
1610         (finish_allocnos): Remove ALLOCNO_CALLS_CROSSED.
1611         (create_bb_allocnos, create_loop_allocnos): Use DF_LR_{IN,OUT}
1612         instead of DF_UPWARD_LIVE_{IN,OUT}.
1613         (ira_build): Remove adding df problems and call of
1614         free_dominance_info.  Call initiate_calls.
1615         (ira_destroy): Add free_dominance_info and finish_calls.  Remove
1616         df_finish.
1618         * ira-emit.c (change_regs): Return the result.
1619         (generate_edge_moves): Use DF_LR_{IN,OUT} instead of
1620         DF_UPWARD_LIVE_{IN,OUT}.
1621         (change_loop): Call df_insn_rescan and df_note_rescan if there is
1622         a change.
1623         (can_move_through_p): Use hard_reg_set_equal_p instead of
1624         GO_IF_HARD_REG_EQUAL.
1626         * ira-costs.c (copy_cost, record_reg_classes,
1627         record_address_regs): Call init_move_cost if it is necessary.
1628         (tune_allocno_costs_and_cover_classes): Use regno_calls and
1629         ALLOCNO_CALLS_CROSSED_START instead of ALLOCNO_CALLS_CROSSED.
1631         * ira-conflicts.c (n_regs_set): Remove.
1632         (regs_set): Make it a vector.
1633         (mark_reg_store, mark_reg_clobber): Change 2nd parameter type.
1634         (process_bb_node_for_conflicts): Use DF_LR_IN instead of
1635         DF_UPWARD_LIVE_IN.  Call add_regno_call.  Initialize
1636         ALLOCNO_CALLS_CROSSED_START.  Remove ALLOCNO_CALLS_CROSSED.
1637         (build_conflict_bit_table): Initialize and finalize regs_set.
1638         (propagate_allocno_info): Remove ALLOCNO_CALLS_CROSSED.
1639         Initialzie ALLOCNO_CALLS_CROSSED_START.
1640         
1641         * ira-color.c (setup_allocno_available_regs_num,
1642         setup_allocno_left_conflicts_num): New functions.
1643         (update_allocno_avaialable_regs): Remove.
1644         (sorted_allocnos, allocno_stack_varray): Move upper.
1645         (assign_hard_reg): Use hard_reg_set_subset_p instead of
1646         GO_IF_HARD_REG_SUBSET.
1647         (loop_edge_freq): Use DF_LR_{IN,OUT} instead of
1648         DF_UPWARD_LIVE_{IN,OUT}.
1649         (put_allocno_into_bucket): Call setup_allocno_available_regs_num
1650         and setup_allocno_left_conflicts_num.
1651         (print_loop_title): Use loop_depth.
1652         (allocno_priority_compare_func): Remove REG_N_REFS and
1653         REG_LIVE_LENGTH.
1654         (retry_ira_color): Use SET_REGNO.  Use ALLOCNO_CALLS_CROSSED_NUM
1655         instead of ALLOCNO_CALLS_CROSSED.
1656         (collect_pseudo_call_clobbered_regs):  Use regno_calls and
1657         ALLOCNO_CALLS_CROSSED_START instead of ALLOCNO_CALLS_CROSSED.
1659         * ira-call.c (init_ira_call_data): Add argument to
1660         post_order_compute.
1661         (n_regs_set): Remove.
1662         (regs_set): Make it a vector.
1663         (mark_reg_store, mark_reg_clobber): Change 2nd parameter type.
1664         (mark_referenced_regs): Check null x.
1665         (put_save_restore_and_calculate_local_info): Initialize and
1666         finalize regs_set.  Use DF_LR_{IN,OUT} instead of
1667         DF_UPWARD_LIVE_{IN,OUT}.  Use loop_outer.
1668         (do_init_nothing): Remove.
1669         (save_trans_fun, save_con_fun_0, restore_trans_fun,
1670         restore_con_fun_0): Remove 1st parameter.
1671         (save_con_fun_n, restore_con_fun_n): Ditto.  Use
1672         df_simple_dataflow instead of df_analyze_problem.
1673         (put_save_restore): Use DF_LR_IN instead of DF_UPWARD_LIVE_IN.
1674         Call mark_all_referenced_regs for all insn.  Use bitmap progress.
1675         (get_move_insn): New function.
1676         (put_save_restore_and_calculate_local_info, put_save_restore): Use
1677         the function.
1679         * ira.c (insn_contains_asm_1, insn_contains_asm,
1680         compute_regs_asm_clobbered, expand_reg_info): New functions.
1681         (setup_class_subset_and_move_costs): Use hard_reg_set_subset_p
1682         instead of GO_IF_HARD_REG_SUBSET.
1683         (setup_reg_subclasses, setup_class_translate): Ditto. Use
1684         hard_reg_set_equal_p instead of GO_IF_HARD_REG_EQUAL.
1685         (setup_eliminable_regset): Call compute_regs_asm_clobbered.  Use
1686         df_set_regs_ever_live instead of regs_ever_live.
1687         (setup_reg_renumber): Check reg_equiv_const and
1688         reg_equiv_invariant_p.
1689         (ira): Remove no_new_pseudos. Add df-problems and analyze.  Call
1690         regstat_init_n_sets_and_refs and regstat_compute_ri.  Remove
1691         delete_unreachable_blocks.  Use expand_reg_info.  Move
1692         setup_preferred_alternate_classes upper.  Remove life_analysis.
1693         Prepare df-insfrastructure for reload.
1695         * regclass.c (setup_reg_classes): Don't use reg_pref_buffer.
1697         * function.[ch] (get_call_invalidated_used_regs): Change 1st
1698         parameter type.
1699         
1700         * gengtype.c (main): Add HARD_REG_SET.
1702         * alias.c (value_addr_p): New function.
1703         (nonoverlapping_memrefs_p): Use it.
1705         * caller-save.c (init_caller_save): Use DF_LR_TOP for IRA instead
1706         of global_live_at_start.
1707         
1708 2007-05-04  Vladimir Makarov  <vmakarov@redhat.com>
1710         * ira-conflicts.c: Change pseudo to allocno.
1711         * ira-color.c: Ditto.
1712         * ira-emit.c: Ditto.
1713         * ira-build.c: Ditto.
1714         * ira.c: Ditto.
1715         (important_classes_num, important_classes): New variables.
1716         (setup_cover_classes): Set up the variable values.
1717         * ira-costs.c: Ditto.
1718         (record_reg_classes, record_address_regs, scan_one_insn,
1719         find_pseudo_class_costs):  Process only important classes.
1720         * ira-call.c: Ditto.  Add comments about placement optimization.
1721         * ira-int.h: Ditto.
1722         (allocno) Use one bit field for boolean members.
1723         (important_classes_num, important_classes): New external
1724         definitions.
1726 2007-03-16  Vladimir Makarov  <vmakarov@redhat.com>
1728         * flags.h (ira_algorithm): Add IRA_ALGORITHM_MIXED.
1730         * opts.c (common_handle_option): Set up IRA_ALGORITHM_MIXED from
1731         the option argument.
1732         
1733         * common.opt (fira-assign-after-call-split, fira-propagate-cost,
1734         fira-split-around-calls): New options.
1735         (fira-ipra): Switch off by default.
1736         
1737         * doc/invoke.texi (-fira-algorithm): Add mixed algorithm.
1738         (-fno-ira-ipra): Rename to -fira-ipra.
1739         (-fno-ira-assign-after-call-split, -fira-propagate-cost,
1740         -fno-ira-split-around-calls): Add new options.
1741         
1742         * ira-conflicts.c (curr_reg_pressure): New variable.
1743         (set_pseudo_live, clear_pseudo_live, mark_reg_store,
1744         mark_reg_death): Update reg pressure.
1745         (add_pseudo_copies): Decrease cost for copy with dead pseudo.
1746         (process_bb_node_for_conflicts): Propagate reg pressure.
1747         (build_conflict_bit_table): Call process_bb_node_for_conflicts in
1748         preorder.
1749         (ira_build_conflicts): Add new coloring algorithm.
1750         (ira_build_conflicts): Add flag_ira_split_around_calls.
1752         * ira-emit.c (change_loop): Print allocation on the region
1753         borders.  Use pseudo_cap_member instead of regno.
1754         (modify_move_list): Add parameter to create pseudo.
1755         (ira_emit): Use pseudo_cap_member instead of regno.
1756         
1757         * ira-build.c (create_loop_tree_nodes): Set up initial reg
1758         pressure.
1759         (create_pseudo): Add parameter.  Use the parameter value instead
1760         of regno.
1761         (print_expanded_pseudo): Use pseudo_cap_member instead of regno.
1762         (create_cap_pseudo, create_insn_pseudos, create_bb_pseudos,
1763         create_loop_pseudos): Add argument to create_pseudo call.
1764         (create_pseudos, ira_build): Process IRA_ALGORITHM_MIXED.
1765         (create_loop_tree_node_caps):  Create cap pseudo for all pseudos
1766         not having father pseudo.
1767         
1768         * final.c (rest_of_handle_final): Process INCOMING_REGNO.
1770         * toplev.h (flag_ira_assign_after_call_split,
1771         flag_ira_propagate_cost, flag_ira_split_around_calls): New flags.
1773         * caller-save.c (save_call_clobbered_regs): Move declaration
1774         this_insn_sets to the function start.
1775         
1776         * ira-int.h (ira_loop_tree_node): Add reg_pressure.
1777         (pseudo): More comments for regno and cap_member
1778         (original_regno_call_crossed_p, ira_max_regno_before,
1779         ira_max_regno_call_before): New external variables.
1780         (create_pseudo): Add parameter.
1781         (reassign_conflict_pseudos, debug_ira_call_data,
1782         split_around_calls, get_around_calls_regno): New function
1783         prototypes.
1785         * ira-color.c (assign_hard_reg): Set best_hard_regno and
1786         conflict_regs earlier.  Check register availability earlier.
1787         Ignore conflict and copy cost for PSEUDO_MAY_BE_SPILLED_P.
1788         (calculate_pseudo_spill_cost): Use pseudo_cap instead of regno.
1789         Check father pseudo instead of subloop pseudos.
1790         (pop_pseudos_from_stack): Set up PSEUDO_ASSIGNED_P for NO_REGS
1791         pseudo.
1792         (print_loop_title): Print reg pressure.
1793         (color_pass): Use PSEUDO_CAP_MEMBER instead of regno.  Add mixed
1794         coloring algorithm.
1795         (move_spill_restore): Use PSEUDO_CAP_MEMBER instead of regno.  Use
1796         subloop pseudos instead of father pseudo for cost calculation.
1797         (setup_curr_costs, reassign_conflict_pseudos): New functions.
1798         (retry_ira_color): Don't allocate call used registers when
1799         flag_caller_saves or flag_ira_split_around_calls.  Call
1800         setup_curr_cost.  Print about spilling pseudo split around calls.
1801         (reuse_stack_slot): Choose the slot with minimal memory-memory
1802         costs.
1804         * ira.c (setup_reg_renumber): Add 2 parameters.  Use cap_number
1805         instead of regno.  Initialize caller_save_needed.  Make assertion
1806         stricter.
1807         (setup_pseudo_assignment_from_reg_renumber): New function.
1808         (calculate_allocation_cost): Add assertion.
1809         (print_redundant_copies): Use cap_number instead of regno.
1810         (original_regno_call_crossed_p, ira_max_regno_before,
1811         ira_max_regno_call_before): New global variables.
1812         (ira): Process IRA_ALGORITHM_MIXED.  Set up
1813         ira_max_regno_call_before and ira_max_regno_before.  New arguments
1814         for setup_reg_renumber.  Reassign if pseudo changed its class.
1815         Split pseudos around the call if necessary.  Reassign if a pseudo
1816         is split.
1818         * ira.h: New year for Copyright.
1820         * ira-costs.c (reg_pref): Rename to pseudo_pref.
1821         (reg_pref_buffer): rename to pseudo_pref_buffer.
1822         (find_pseudo_class_costs): Initialize best_cost and best_class.
1823         Process IRA_ALGORITHM_MIXED.  Find best cover class for regno.
1824         (process_bb_node_for_hard_reg_moves): Process IRA_ALGORITHM_MIXED.
1826         * Makefile.in (ira-call.o): Add new file.
1828         * reload1.c (calculate_needs_all_insns): Remove unnecessary
1829         memory-memory move.
1831         * ira-call.c: New file.
1832         
1833 2007-02-09  Vladimir Makarov  <vmakarov@redhat.com>
1835         * common.opt (fipra): Rename to fira-ipra.  Make it default.
1836         (fira-move-spills, fira-share-save-slots, fira-share-spill-slots):
1837         New.
1838         * toplev.h (flag_ipra): Rename to flag_ira_ipra.
1839         (flag_ira_move_spills, flag_ira_share_save_slots,
1840         flag_ira_share_spill_slots): New external definitions.
1841         * doc/invoke.texi (-fipra): Rename to -fno-ira-ipra. 
1842         (-fno-ira-move-spills, -fno-ira-share-save-slots,
1843         -fno-ira-share-spill-slots): New options.
1844         * function.c (get_call_invalidated_used_regs): Rename flag_ipra to
1845         flag_ira_ipra.
1846         * ira-costs.c (tune_pseudo_costs_and_cover_classes): Ditto.
1847         * caller-save.c (setup_save_areas): Use flag_ira_share_save_slots.
1848         Rename flag_ipra to flag_ira_ipra.
1849         (flag_ira_share_save_slots): Use flag_ira_move_spills.
1850         * ira-color.c (assign_hard_reg): Skip pseudos with different cover
1851         class.
1852         (reuse_stack_slot): Use flag_ira_share_spill_slots.
1853         * config/arm/arm.h (IRA_COVER_CLASSES): New macro.
1854         
1855 2007-02-31  Vladimir Makarov  <vmakarov@redhat.com>
1857         * reload.h (debug_save_data): New definition.
1858         
1859         * caller-save.c (struct bb_info): New.
1860         (BB_INFO, BB_INFO_BY_INDEX): New macros.
1861         (calculate_local_save_info, set_up_bb_rts_numbers, rpost_cmp,
1862         calculate_save_in_out, calculate_save_here,
1863         make_global_save_analysis, print_hard_reg_set_and_mode,
1864         print_hard_reg_set, print_save_data, debug_save_data,
1865         set_hard_reg_saved): New functions.
1866         (save_call_clobbered_regs): Make global save analysis and use it
1867         to put save/restore code.
1868         (insert_one_insn): Check CODE_LABEL.
1870 2007-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1872         * toplev.h (flag_ipra): New external definition.
1874         * common.opt (fipra): New option.
1876         * doc/invoke.texi (-fipra); Document the option.
1878         * cgraph.h (cgraph_node): New member function_used_regs.
1880         * cgraph.c (cgraph_create_node): Initialize function_used_regs.
1882         * final.c (update_regs_ever_live): New function.
1883         (rest_of_handle_final): Set up function_used_regs and
1884         call_used_regs.
1886         * ira-build.c (ira_build): Clear function call_used_regs.
1888         * function.h: Add hard-reg-set.h header.
1889         (emit_status): New member call_used_regs.
1890         (get_call_invalidated_used_regs): New definition.
1892         * function.c (get_call, get_call_invalidated_used_regs): New
1893         functions.
1895         * Makefile.in (FUNCTION_H): Add hard-reg-set.h.
1896         (caller-save.o): Add dependence on output.h and ira.h
1898         * regrename.c (copyprop_hardreg_forward_1): Use function
1899         get_call_invalidated_used_regs.
1901         * ira-conflicts.c (process_bb_node_for_conflicts): Ditto.
1903         * postreload-gcse.c (record_opr_changes,
1904         reg_set_between_after_reload_p, reg_used_between_after_reload_p):
1905         Ditto.
1907         * postreload.c (reload_combine, reload_cse_move2add): Ditto.
1909         * rtlanal.c (reg_set_between_p): Ditto.
1911         * flow.c (propagate_one_insn): Ditto.
1913         * df-scan.c (df_insn_refs_record): Ditto.
1915         * gcse.c (compute_hash_table_work, compute_store_table): Ditto.
1917         * cselib.c (cselib_process_insn): Ditto.
1919         * loop-iv.c (simplify_using_assignment): Ditto.
1921         * sched-deps.c (sched_analyze): Ditto.
1923         * combine.c (record_dead_and_set_regs): Ditto.
1925         * resource.c (mark_set_resources, mark_set_resources): Ditto.
1927         * var-tracking.c (var-tracking.c): Ditto.
1929         * reload1.c (reload): Ditto.
1931         * cse.c (invalidate_for_call): Ditto.  Add parameter.
1932         (cse_insn): Pass the parameter.
1934         * ira.h (try_to_migrate): Remove the definition.
1935         (collect_pseudo_call_clobbered_regs): New external definition.
1937         * ira-color.c (collect_pseudo_call_clobbered_regs): New function.
1939         * ira-costs.c (tune_pseudo_costs_and_cover_classes): Add cost
1940         calculation when IPRA is used.
1942         * caller-save.c: Include headers output.h and ira.h.
1943         (saved_hard_reg): New structure.
1944         (hard_reg_map, hard_reg_map, all_saved_regs): New variables.
1945         (all_saved_regs, new_saved_hard_reg, finish_saved_hard_regs,
1946         saved_hard_reg_compare_func): New functions.
1947         (setup_save_areas): Add code for sharing stack slots.
1948         (save_call_clobbered_regs): Use function
1949         get_call_invalidated_used_regs.
1950         
1951 2007-01-12  Vladimir Makarov  <vmakarov@redhat.com>
1953         * doc/tm.texi (IRA_HARD_REGNO_ADD_COST_MULTIPLIER): New macro.
1955         * ira-conflicts.c (add_pseudo_copies): Add copy between output and
1956         died operand pseudos.
1958         * ira.c (setup_cover_classes, setup_class_translate): Define and
1959         call only when IRA_COVER_CLASSES is defined.
1960         (no_alloc_regs): Rename to no_unit_alloc_regs.
1961         (setup_eliminable_regset): Set up no_alloc_regs.
1963         * ira-costs.c (tune_pseudo_costs_and_cover_classes): Modify cost
1964         if IRA_HARD_REGNO_ADD_COST_MULTIPLIER is defined.
1966         * config/s390/s390.h (IRA_COVER_CLASSES,
1967         IRA_HARD_REGNO_ADD_COST_MULTIPLIER(regno)): Define.
1968         
1969 2006-12-22  Vladimir Makarov  <vmakarov@redhat.com>
1971         * rtl.h (setup_reg_classes): New function prototype.
1972         
1973         * regclass.c (setup_reg_classes): New function.
1975         * global.c (global_alloc): Dump information about register
1976         assigning.
1978         * ira-int.h (ira_build): Change prototype signature.
1980         * ira-color.c (pseudo_compare_func): Rename to
1981         pseudo_priority_compare_func.
1982         (priority_coloring): Dump information about register
1983         assigning.
1985         * ira-build.c (ira_build): Return true if we have loops for the
1986         allocation.
1988         * ira.c (setup_preferred_alternate_classes): New function.
1989         (ira): Use it instead of regclass.  Rebuild only if we have loops.
1991 2006-12-15  Vladimir Makarov  <vmakarov@redhat.com>
1993         * ira.h, ira-int.h, ira.c, ira-build.c, ira-costs.c
1994         ira-conflicts.c, ira-color.c, ira-emit.c: New files.
1996         * flags.h (ira_algorithm): New enumeration.
1997         (flag_ira_algorithm): New external variable declaration.
1999         * tree-pass.h (pass_ira): New external variable declaration.
2001         * toplev.c (ira.h): New include.
2002         (flag_ira_algorithm): New global variable.
2003         (backend_init): Call init_ira_once.
2005         * toplev.h (flag_ira, flag_ira_biased_coloring): New external
2006         variable declarations.
2008         * regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
2009         may_move_out_cost): New external variable declarations.
2010         
2011         * caller-save.c (no_caller_save_reg_set): New global variable.
2012         (init_caller_save): Set up no_caller_save_reg_set.
2013         
2014         * global.c (eliminable_regset): Make it external.
2015         (gate_handle_global_alloc): New function.
2016         (pass_global_alloc): Add the gate function.
2018         * opts.c (decode_options):  Print the warning for -fira.
2019         (common_handle_option): Process -fira-algorithm option.
2021         * timevar.def (TV_IRA): New pass.
2023         * hard-reg-set.h (no_caller_save_reg_set): New external variable
2024         declaration.
2026         * regmove.c (regmove_optimize): Don't do replacement of output
2027         operands by input operands.
2028         (rest_of_handle_regmove): Don't do CFG cleanup for IRA.
2030         * local-alloc.c (update_equiv_regs): Make it external.  Return
2031         true if jump label rebuilding should be done.
2032         (gate_handle_local_alloc): New function.
2033         (pass_local_alloc): Add the gate function.
2035         * alias.c (stack_addr_p): New function.
2036         (nonoverlapping_memrefs_p): Add code for IRA.
2038         * common.opt (fira, fira-algorithm, fira-biased-coloring): New
2039         options.
2041         * regclass.c (contains_reg_of_mode, move_cost, may_move_in_cost,
2042         may_move_out_cost): Make the variables external.
2043         
2044         * rtl.h (eliminable_regset): New external variable declaration.
2045         (update_equiv_regs): New external function definition.
2047         * Makefile.in (IRA_INT_H): New definition.
2048         (OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
2049         ira-conflicts.o, ira-color.o, and ira-emit.o.
2050         (reload1.o, toplev.o): Add dependence on ira.h.
2051         (ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
2052         ira-emit.o): New entries.
2054         * passes.c (pass_ira): New pass.
2056         * reload1.c (alter_reg): Add a new parameter.
2057         (pseudo_reg_compare): New function.
2058         (reload): Sort pseudos for IRA.  Call alter_reg with the
2059         additional parameter.
2060         (count_spilled_pseudo): New variable freq.  Use it.
2061         (alter_reg): Add code for IRA.
2062         (eliminate_regs_1, finish_spills, emit_input_reload_insns,
2063         delete_output_reload): Use additional parameter for alter_reg.
2064         (finish_spills, emit_input_reload_insns, delete_output_reload):
2065         Call mark_allocation_change.
2066         (finish_spills): Call retry_ira_color.
2067         
2068         * doc/invoke.texi: Describe new options -fira,
2069         -fira-biased-coloring, and -fira-algorithm.
2070         
2071         * doc/passes.texi: Decribe IRA.
2073         * doc/tm.texi:  Decribe macro IRA_COVER_CLASSES.
2074         
2075         * config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
2077         * config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
2079         * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
2081         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
2082         
2083         Richard Henderson  <rth@redhat.com>
2085         * tree-pass.h (pass_lower_subreg): New external definition.
2086         * toplev.h (flag_lower_subreg): New external definition.
2087         * rtl.def (CONCATN): New rtl expression.
2088         * dwarf2out.c (concatn_loc_descriptor): New function.
2089         (loc_descriptor): Process CONCATN.
2090         * timevar.def (TV_LOWER_SUBREG): New definition.
2091         * emit-rtl.c (gen_reg_rtx_offset): New function.
2092         (gen_lowpart_common): Process CONCATN.
2093         * simplify-rtx.c (simplify_subreg): Process CONCATN.
2094         * common.opt (flower-subreg): New options.
2095         * rtl.h (gen_reg_rtx_offset): New external definition.
2096         * Makefile.in (OBJS-common): Add lower-subreg.o.
2097         (lower-subreg.o): New entry.
2098         * passes.c (pass_lower_subreg): Add new pass.
2099         * lower-subreg.c: New file.
2100         
2101 2008-03-28  Rafael Espindola  <espindola@google.com>
2103         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
2104         (tree_binary_nonnegative_warnv_p): Make it public.
2105         (tree_single_nonnegative_warnv_p): Make it public.
2106         (tree_invalid_nonnegative_warnv_p): Make it public.
2107         (tree_unary_nonzero_warnv_p): Make it public.
2108         (tree_binary_nonzero_warnv_p): Make it public
2109         (tree_single_nonzero_warnv_p): Make it public.
2110         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
2111         (extract_range_from_binary_expr): Split the expr argument.
2112         (extract_range_from_unary_expr): Split the expr argument.
2113         (extract_range_from_comparison): Split the expr argument.
2114         (extract_range_from_expr): Use the new aux functions.
2115         (vrp_evaluate_conditional_warnv): Use
2116         vrp_evaluate_conditional_warnv_with_ops.
2117         * tree.h (tree_unary_nonzero_warnv_p): Declare.
2118         (tree_binary_nonzero_warnv_p): Declare.
2119         (tree_single_nonzero_warnv_p): Declare.
2120         (tree_expr_nonzero_warnv_p): Declare.
2121         (tree_unary_nonnegative_warnv_p): Declare.
2122         (tree_binary_nonnegative_warnv_p): Declare.
2123         (tree_single_nonnegative_warnv_p): Declare.
2124         (tree_invalid_nonnegative_warnv_p): Declare.
2126 2008-03-28  Richard Guenther  <rguenther@suse.de>
2128         PR tree-optimization/30317
2129         PR tree-optimization/30911
2130         PR tree-optimization/34793
2131         * tree-vrp.c (set_and_canonicalize_value_range): New function.
2132         (struct assert_locus_d): New member EXPR.
2133         (register_new_assert_for): Add EXPR parameter to support
2134         ASSERT_EXPR <name, expr OP limit>.
2135         (register_edge_assert_for_1): Adjust callers.
2136         (find_assert_locations): Likewise.
2137         (process_assert_insertions_for): Build condition from
2138         expression.
2139         (extract_range_from_assert): Handle ASSERT_EXPRs
2140         of the form ASSERT_EXPR <name, expr OP limit>.
2141         (register_edge_assert_for_2): New helper registering
2142         asserts for comparisons.  Recognize range tests of the form
2143         (unsigned)i - CST1 OP CST2.
2144         (register_edge_assert_for_1): Use it.
2145         (register_edge_assert_for): Likewise.
2146         (needs_overflow_infinity): Integer sub-types
2147         do not need overflow infinities.
2148         (vrp_val_is_max): The extreme values of integer sub-types
2149         are those of the base type.
2150         (vrp_val_is_min): Likewise.
2151         * tree.def (ASSERT_EXPR): Document extra allowed conditional
2152         expressions.
2154 2008-03-28  Nick Clifton  <nickc@redhat.com>
2156         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
2157         Return GENERAL_REGS for stack adjustment reloads.
2159 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2161         PR target/31334
2162         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
2163         const_vector when all the vectors are constant.
2165 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
2167         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
2168         comparisons.
2169         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
2170         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
2171         (scc_sf): New.
2172         (s<code>_sf): Use new scc_sf attribute for opcode names.
2174 2008-03-27  Tom Tromey  <tromey@redhat.com>
2176         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
2177         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
2178         config/spu/t-spu-elf, config/i386/t-interix,
2179         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
2180         config/i386/x-darwin, config/i386/x-mingw32,
2181         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
2182         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
2183         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
2184         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
2185         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
2186         config/rs6000/x-darwin, config/rs6000/t-rs6000,
2187         config/score/t-score-elf, config/arm/t-strongarm-pe,
2188         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
2189         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
2190         Revert automatic dependency patch.
2192 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2194         PR target/35657
2195         * config/i386/i386.c (ix86_function_arg_boundary): Align
2196         decimal floating point to its natural boundary.
2198 2008-03-27  Richard Guenther  <rguenther@suse.de>
2200         PR middle-end/35716
2201         * fold-const.c (fold_comparison): Restrict distinct decl
2202         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
2203         solely rely on operand_equal_p.
2205 2008-03-27  Richard Guenther  <rguenther@suse.de>
2207         PR c/32511
2208         * c-common.c (handle_weak_attribute): Reject combination of
2209         weak and inline.
2211 2008-03-27  Richard Guenther  <rguenther@suse.de>
2213         PR tree-optimization/32810
2214         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
2215         conversions from DECL_INITIAL.
2216         (fold_const_aggregate_ref): Likewise from constructor elements.
2218 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
2220         * tree-affine.h (aff_combination_expand): Declare.
2221         (get_inner_reference_aff): Likewise.
2222         * tree-affine.c (aff_combination_expand): Split out from
2223         tree_to_aff_combination_expand.
2224         (get_inner_reference_aff): New function.
2225         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
2226         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
2227         (struct lim_aux_data): sm_done field removed.
2228         (mem_ref_loc_p, mem_ref_locs_p): New types.
2229         (struct mem_ref): Added id, stored, accesses_in_loop,
2230         indep_loop, dep_loop, indep_ref, dep_ref fields.
2231         Removed is_stored, locs and next fields.
2232         (memory_accesses): New variable.
2233         (movement_possibility): Do not allow moving statements
2234         that store to memory.
2235         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
2236         New functions.
2237         (determine_max_movement): For statements with memory references,
2238         find the outermost loop in that the reference is independent.
2239         (move_computations_stmt): Mark the virtual operands for
2240         renaming.
2241         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
2242         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
2243         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
2244         add_vop_ref_mapping, create_vop_ref_mapping_loop,
2245         create_vop_ref_mapping, analyze_memory_references,
2246         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
2247         get_all_locs_in_loop, ref_always_accessed_p,
2248         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
2249         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
2250         store_motion_loop, store_motion): New functions.
2251         (struct vop_to_refs_elt): New type.
2252         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
2253         memref_hash, memref_eq, hoist_memory_references): Rewritten.
2254         (schedule_sm): Replaced by...
2255         (execute_sm): ... this.
2256         (determine_lsm_ref, hoist_memory_references,
2257         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
2258         find_more_ref_vops, free_mem_ref, free_mem_refs,
2259         determine_lsm_loop, determine_lsm): Removed.
2260         (tree_ssa_lim_finalize): Free data structures used by store
2261         motion.
2262         (tree_ssa_lim): Call analyze_memory_references.  Use
2263         store_motion instead of determine_lsm.
2265 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
2267         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
2268         rename tmake_file to m68hc11/t-m68hc11.
2269         (mcore): Set inhibit_libc to true.
2270         * config.host (alpha*-dec-*vms*): Set extra_programs.
2271         (interix3*): Don't use host_xmake_file.
2272         * configure.ac: Let config.gcc override inhibit_libc.
2273         * configure: Regenerate.
2275         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
2276         * config/t-openbsd-thread: Remove commented out lines.
2277         
2278         * config/x-interix: Remove.
2280         * config/m68hc11/t-m68hc11-gas: Rename to...
2281         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
2283         * config/mcore/t-mcore: Remove T_CFLAGS.
2284         * config/mcore/t-mcore-pe: Likewise.
2286 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
2288         * configure.ac: Replace custom __GNU_SOURCE test with
2289         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
2290         * aclocal.m4: Regenerate.
2291         * configure: Regenerate.
2292         * config.in: Regenerate.
2294 2008-03-27  Richard Guenther  <rguenther@suse.de>
2296         * fold-const.c (target.h): Include.
2297         (fold_comparison): Fold comparison of addresses of decls
2298         that bind locally or of constants.  Consolidate address folding code.
2299         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
2300         results from fold_binary_to_constant.
2301         (compare_values_warnv): Likewise.
2303 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
2305         PR middle-end/35429
2306         * fold-const.c (fold_truthop): Check for integeral types when folding
2307         a == 0 && b == 0 and a != 0 || b != 0 .
2309 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
2311         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
2313 2008-03-26  Andreas Schwab  <schwab@suse.de>
2315         * doc/invoke.texi: Fix use of @item vs. @itemx.
2317 2008-03-26  Tom Tromey  <tromey@redhat.com>
2319         * Makefile.in (build/gensupport.o, build/print-rtl.o,
2320         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
2321         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
2322         build/gencodes.o, build/genconditions.o, build/genconfig.o,
2323         build/genconstants.o, build/genemit.o, build/genextract.o,
2324         build/genflags.o, build/genmddeps.o, build/genopinit.o,
2325         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
2326         options.h.
2328 2008-03-26  Richard Guenther  <rguenther@suse.de>
2330         Revert
2331         2008-03-26  Richard Guenther  <rguenther@suse.de>
2333         * fold-const.c (target.h): Include.
2334         (fold_comparison): Fold comparison of addresses of two decls
2335         that bind locally.  Consolidate address folding code.
2337 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2339         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
2340         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
2341         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
2342         dconstsqrt2, dconstthird, dconste and/or dconst10.
2343         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
2344         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
2345         dconstsqrt2, dconste): Delete.
2346         (init_emit_once): Likewise.  Simplify initializing dconstm1.
2347         Constify variable.
2348         * real.c (get_real_const): New.
2349         * real.h (dconst3, dconst10, dconstm2, dconstthird,
2350         dconstsqrt2, dconste): Delete.
2351         (real_value_const, get_real_const): New.
2353 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
2355         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
2357         * config/i386/i386.c (ix86_function_arg_boundary): Check
2358         BIGGEST_ALIGNMENT instead of 128.
2359         (setup_incoming_varargs_64): Likewise.
2361 2008-03-26  Tom Tromey  <tromey@redhat.com>
2363         * Makefile.in (DEPFILES): Add missing '/'.
2365 2008-03-26  Richard Guenther  <rguenther@suse.de>
2367         * fold-const.c (target.h): Include.
2368         (fold_comparison): Fold comparison of addresses of two decls
2369         that bind locally.  Consolidate address folding code.
2371 2008-03-26  Nick Clifton  <nickc@redhat.com>
2373         PR target/31232
2374         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
2375         not allow INT+INT as a legitimate addressing mode.
2377 2008-03-26  Richard Guenther  <rguenther@suse.de>
2379         * tree-flow.h (widen_bitfield): Remove declaration.
2380         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
2381         (widen_bitfield): Remove function.
2382         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
2383         code.
2385 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2387         PR target/31558
2388         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
2389         error_mark_node's.
2391 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
2393         PR rtl-optimization/35232
2394         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
2395         (forget_old_reloads_1, forget_marked_reloads): Don't clear
2396         reg_reloaded_call_part_clobbered here.
2397         (reload_regs_reach_end_p): New function.
2398         (reload_reg_rtx_for_input): New variable.
2399         (reload_reg_rtx_for_output): Likewise.
2400         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
2401         when reassigning a pseudo register.  Load reloadreg from 
2402         reload_reg_rtx_for_input, moving the mode and register
2403         calculation to...
2404         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
2405         instead of the original when deciding whether an input reload
2406         would be a no-op or whether an output reload can be deleted.
2407         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
2408         when setting up new_spill_reg_store.  Load it from
2409         reload_reg_rtx_for_output, moving the mode and register
2410         calculation to...
2411         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
2412         instead of the original when deciding whether an output reload
2413         would be a no-op.  Do the same when modifying insn notes.
2414         Use rtx_equal_p instead of == to compare the registers.
2415         (inherit_piecemeal_p): Take a mode and two register numbers
2416         as argument.
2417         (emit_reload_insns): Clear new_spill_reg_store for every hard
2418         register in the reload register.  Remove spill registers
2419         from reg_reloaded_valid before considering whether to record
2420         inheritance information for them.  Use reload_reg_rtx_for_output
2421         instead of reg_rtx when recording output reloads.  Use
2422         reload_reg_rtx_for_input instead of reg_rtx when recording
2423         input reloads.  Set or clear reg_reloaded_call_part_clobbered
2424         at the same time as setting reg_reloaded_valid.
2425         (delete_output_reload): Add a new_reload_reg parameter and use it
2426         instead of rld[j].reg_rtx.
2427         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
2428         calls accordingly.
2430 2008-03-25  Tom Tromey  <tromey@redhat.com>
2432         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
2433         (build/genattr.o): Likewise.
2434         (build/genattrtab.o): Likewise.
2435         (build/gencodes.o): Likewise.
2436         (build/genconfig.o): Likewise.
2437         (build/genconstants.o): Likewise.
2438         (build/genemit.o): Likewise.
2439         (build/genextract.o): Likewise.
2440         (build/genflags.o): Likewise.
2442 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
2443         
2444         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
2445         instead of size_int for integer types.
2446         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
2447         to match type of MINUS_EXPR.
2448         
2449 2008-03-25  Tom Tromey  <tromey@redhat.com>
2451         * configure: Rebuilt.
2452         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
2453         Makefile.
2455 2008-03-25  Tom Tromey  <tromey@redhat.com>
2457         * config/x-solaris (host-solaris.o): Update.
2458         * config/x-linux (host-linux.o): Update.
2459         * config/x-hpux (host-hpux.o): Update.
2460         * config/x-darwin (host-darwin.o): Update.
2461         * config/v850/t-v850e (v850-c.o): Update.
2462         * config/v850/t-v850 (v850-c.o): Update.
2463         * config/t-vxworks (vxworks.o): Update.
2464         * config/t-sol2 (sol2-c.o, sol2.o): Update.
2465         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
2466         * config/spu/t-spu-elf (spu-c.o): Update.
2467         (spu.o): Remove.
2468         * config/sh/t-symbian (sh-c.o): Update.
2469         (symbian.o): Update.
2470         * config/sh/t-sh (sh-c.o): Update.
2471         * config/score/t-score-elf (score7.o, score3.o): Update.
2472         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
2473         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
2474         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
2475         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
2476         (rs6000.o): Remove.
2477         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
2478         * config/m32c/t-m32c (m32c-pragma.o): Update.
2479         * config/ia64/t-ia64 (ia64-c.o): Update.
2480         * config/i386/x-mingw32 (host-mingw32.o): Update.
2481         * config/i386/x-i386 (driver-i386.o): Update.
2482         * config/i386/x-darwin (host-i386-darwin.o): Update.
2483         * config/i386/x-cygwin (host-cygwin.o): Update.
2484         * config/i386/t-nwld (nwld.o): Update.
2485         * config/i386/t-netware (netware.o): Update.
2486         * config/i386/t-interix (winnt.o): Update.
2487         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
2488         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
2489         msformat-c.o): Update.
2490         * config/bfin/t-bfin-linux (generated_files): Add
2491         linux-sysroot-suffix.h.
2492         * config/arm/t-wince-pe (pe.o): Update.
2493         * config/arm/t-strongarm-pe (pe.o): Update.
2494         * config/arm/t-pe (pe.o): Update.
2495         * config/arm/t-arm (arm-c.o): Update.
2496         * doc/install.texi (Prerequisites): Require make 3.80.
2497         * Makefile.in: Remove .o targets.
2498         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
2499         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
2500         (simple_generated_h, simple_generated_c): Move earlier.
2501         (generated_files): New variable.
2502         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
2503         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
2504         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
2505         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
2506         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
2507         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
2508         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
2509         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
2510         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
2511         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
2512         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
2513         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
2514         (.c.o): Remove.
2515         (COMPILE.base, COMPILE): New variables.
2516         (%.o): New pattern rule.
2517         (ALL_HOST_OBJS): New variable.
2518         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
2519         (dummy-checksum.o, cc1-checksum.o): Remove.
2520         (DRIVER_SHLIB): New variable.
2521         (DRIVER_DEFINES): Use it.
2522         (gencondmd.c): Move out of build/.
2523         (s-conditions): Update.
2524         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
2525         (ALL_BUILD_OBJS): Likewise.
2526         (build/%.o): Use BUILDCOMPILE.
2527         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
2528         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
2529         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
2530         build/gencheck.o, build/gencodes.o, build/genconditions.o,
2531         build/genconfig.o, build/genconstants.o, build/genemit.o,
2532         build/genextract.o, build/genflags.o, build/genmddeps.o,
2533         build/genopinit.o, build/genoutput.o, build/genpeep.o,
2534         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
2535         build/gen-protos.o, build/scan.o, build/fix-header.o,
2536         build/scan-decls.o): Simplify.
2537         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
2538         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
2539         prefix.o, toplev.o): Reduce to variable setting.
2540         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
2541         ($(out_object_file), gcc-options.o): New targets.
2542         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
2543         * configure: Rebuilt.
2544         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
2545         * doc/sourcebuild.texi (Front End Directory): Document new variable.
2547 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
2549         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
2550         complain when we hit an error, return ERROR_MARK_NODE.
2552 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
2554         * config/sh/constraints.md (Pso, Psz): New constraints.
2555         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
2556         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
2558 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
2560         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
2561         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
2563 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
2565         * config/sh/sh.md (prefetch): Add condition for SH2A target.
2566         (prefetch_sh2a): New.   
2568 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
2569             Naveen.H.S  <naveen.hs@kpitcummins.com>
2571         * config/sh/constraints.md (I28): New constraint.
2572         * config/sh/sh.c (broken_move): Add support for movi20s.
2573         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
2575 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
2576             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
2577             Naveen.H.S  <naveen.hs@kpitcummins.com>
2579         * config/sh/sh.c (SH_ATTRIBUTES): Define.
2580         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
2581         (print_operand): Handle resbank in %@ operand code.
2582         (sh_encode_section_info): New.
2583         (push_regs): Add conditions for resbank.
2584         (sh_expand_epilogue): Likewise.
2585         (sh_insert_attributes): Likewise.
2586         (sh_attribute_table): Likewise.
2587         (sh_handle_resbank_handler_attribute): New.
2588         (sh2a_handle_function_vector_handler_attribute): New.
2589         (sh2a_is_function_vector_call): New.
2590         (sh2a_get_function_vector_number): New.
2591         (sh2a_function_vector_p): New.
2592         (sh_cfun_resbank_handler_p): New.
2593         * config/sh/sh.md (calli): Emit jsr/n if possible.
2594         (calli_tbr_rel): New.
2595         (calli_pcrel): Emit jsr/n if possible.
2596         (return_i): Emit rts/n if possible.
2597         (call_valuei_tbr_rel): New.
2598         (call_valuei_pcrel): Add condition for SH2A target.
2599         (call_value): Likewise.
2600         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
2601         (sh2a_get_function_vector_number): Likewise.
2602         (sh2a_is_function_vector_call): Likewise.
2603         * doc/extend.texi: Document TBR relative addressing of SH2A.
2604         (resbank): Add description for SH2A.
2606 2008-03-24  Richard Guenther  <rguenther@suse.de>
2608         PR c/22371
2609         * gimplify.c (gimplify_modify_expr): For frontend type-correct
2610         pointer assignments change conversions according to middle-end rules.
2611         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
2612         * configure.ac: Include type checking in yes.
2613         * configure: Regenerate.
2615 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2617         * diagnostic.c (diagnostic_count_diagnostic): Delete.
2618         (diagnostic_report_diagnostic): Update. Handle ICEs here.
2619         
2620 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
2622         * gthr-vxworks.h (UNUSED): Define.
2624 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
2626         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and
2627         CX_REG.
2629 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
2631         * doc/extend.texi (Function Attributes): Add missing comma in the
2632         example of the "alloc_size" attribute.
2633         
2634 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
2636         Revert:
2637         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
2639         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2640         32bit host.
2642         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
2644         PR target/35496
2645         * stor-layout.c (update_alignment_for_field): Set minimum alignment
2646         of the underlying type of a MS bitfield layout to the natural
2647         alignment of the type.
2649         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
2651         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
2652         to their natural alignment to avoid store forwarding stalls.
2654 2008-03-22  Richard Guenther  <rguenther@suse.de>
2656         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
2657         For PHI nodes verify the address is invariant.
2658         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
2659         (get_symbol_constant_value): Use is_gimple_min_invariant.
2660         (maybe_fold_stmt_indirect): Likewise.
2662 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
2664         PR rtl-optimization/33927
2665         * Makefile.in (dse.o): Depend on $(TM_P_H).
2666         * expr.h (extract_low_bits): Declare.
2667         * expmed.c (extract_low_bits): New function.
2668         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
2669         * dse.c: Include tm_p.h.
2670         (find_shift_sequence): Remove the read_reg argument and return the
2671         read value.  Emit the instructions instead of returning them.
2672         Iterate on new_mode rather than calculating it each time.
2673         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
2674         source to NEW_MODE and extract_low_bits to convert the shifted
2675         value to READ_MODE.
2676         (replace_read): Allow the load and store to have different mode
2677         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
2678         or extraction instructions before trying the replacement.  Update
2679         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
2681 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
2683         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
2684         to their natural alignment to avoid store forwarding stalls.
2686 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2688         PR target/27946
2689         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
2690         encouraging but not allowing gprs for input;
2691         change the input constraint to !f#r.
2692         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
2693         gprs for output;
2694         change the output constraint to !f#r.
2696 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
2698         PR target/13958
2699         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
2700         corresponding post-reload splitters.
2701         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
2702         when x87 FP math is selected.
2703         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
2704         New function prototype.
2705         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
2706         unreachable function to ease macroization of insn patterns.
2708 2008-03-21  Martin Jambor  <mjambor@suse.cz>
2710         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
2711         reference dumps if ddr is NULL or dependence is unknown.
2713 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2715         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
2716         unsigned extension into account.
2717         (ATOMIC_COMPARE_AND_SWAP): Likewise.
2718         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
2719         Do computations on a scratch register.
2721 2008-03-21  Richard Guenther  <rguenther@suse.de>
2723         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
2724         Use is_gimple_min_invariant instead of TREE_INVARIANT.
2725         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
2726         * tree-ssa-dom.c (record_equality): Likewise.
2727         * tree-inline.c (copy_body_r): Likewise.
2728         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
2729         TREE_INVARIANT.
2731 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2733         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
2734         as 'delete_unused' argument.
2736 2008-03-20  Richard Guenther  <rguenther@suse.de>
2738         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2739         special casing of constant qualifiers.
2740         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
2741         care about them in general.
2742         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
2743         regardless of their type.
2744         (fold_stmt_r): Forcefully fold *& if we end up with that.
2746 2008-03-20  Paul Brook  <paul@codesourcery.com>
2748         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
2749         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
2750         linker flags.
2751         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
2752         definition.
2753         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
2754         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
2756 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
2758         * common.opt (Wmudflap): New option.
2759         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
2760         (mx_register_decls): Likewise.
2761         (mudflap_finish_file): Likewise.
2762         * doc/invoke.texi: Document -Wno-mudflap.
2764 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
2766         * c-format.c (replace_format_name_to_system_name): New.
2767         (cmp_attribs): New.
2768         (convert_format_name_to_system_name): New.
2769         (decode_format_attr): Add use of convert_format_name_to_system_name.
2770         (format_types_orig): Add gnu_ prefix to names.
2771         (check_format_info_main): Special treating of \0 escaped names for
2772         supporting multi-character format specifiers as I32, I64.
2773         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
2774         (gnu_target_overrides_format_attributes): New.
2775         * c-format.h: Add structure target_ovr_attr to hold
2776         system specific formatter names.
2777         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
2778         msformat-c.o file to c_target_objs and cxx_target_objs.
2779         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
2780         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
2781         (TARGET_N_FORMAT_TYPES): New.
2782         * config/i386/msformat-c.c: New.
2783         * config/i386/t-cygming: Add build rule for msformat-c.o.
2784         * doc/extend.texi: Add new format names gnu_* and ms_* and
2785         further details.
2786         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
2788 2008-03-20  Ira Rosen  <irar@il.ibm.com>
2790         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
2791         optimizations turned on under -O3.
2792         (ftree-vectorize): Add that the flag is turned on with -O3.
2794 2008-03-20  Ben Elliston  <bje@au.ibm.com>
2796         * regmove.c (try_auto_increment): Fix spelling error in comment.
2797         * final.c (final_scan_insn): Likewise.
2799 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
2801         PR target/14552
2802         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
2803         allocator preferences for "y" and "r" class registers.
2804         ("*mov<mode>_internal"): Ditto.
2805         ("*movv2sf_internal_rex64"): Ditto.
2806         ("*movv2sf_internal"): Ditto.
2808 2008-03-19  Michael Matz  <matz@suse.de>
2810         PR middle-end/35616
2811         * calls.c (expand_call): Check overlap of arguments with call
2812         address for sibcalls.
2814 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
2816         PR target/35496
2817         * stor-layout.c (update_alignment_for_field): Set minimum alignment
2818         of the underlying type of a MS bitfield layout to the natural
2819         alignment of the type.
2821 2008-03-19  Jan Hubicka  <jh@suse.cz>
2823         PR other/35094
2824         * toplev.c (decode_d_option): Handle all CPP flags.
2825         * tree-vrp.c: Update tree_pass descriptors.
2826         * regrename.c: Update tree_pass descriptors.
2827         * fwprop.c: Update tree_pass descriptors.
2828         * doc/invoke.texi: Remove documentation of dropped -d? flags.
2829         * tree-into-ssa.c: Update tree_pass descriptors.
2830         * tree-dump.c: Update tree_pass descriptors.
2831         * tree-complex.c: Update tree_pass descriptors.
2832         * tree-dump.h: Update tree_pass descriptors.
2833         * see.c: Update tree_pass descriptors.
2834         * cgraphbuild.c: Update tree_pass descriptors.
2835         * tracer.c: Update tree_pass descriptors.
2836         * tree-loop-distribution.c: Update tree_pass descriptors.
2837         * cgraph.c: Update tree_pass descriptors.
2838         * postreload-gcse.c: Update tree_pass descriptors.
2839         * postreload.c: Update tree_pass descriptors.
2840         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
2841         * tree-tailcall.c: Update tree_pass descriptors.
2842         * tree-pass.h (tree_opt_pass): Rename to ...
2843         (opt_pass) ... this one; add "type" field and remove letter field.
2844         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
2845         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
2846         all_lowering_passes): Update declaration.
2847         * ipa-cp.c: Update tree_pass descriptors.
2848         * final.c: Update tree_pass descriptors.
2849         * omp-low.c: Update tree_pass descriptors.
2850         * tree-ssa-dse.c: Update tree_pass descriptors.
2851         * ipa-reference.c: Update tree_pass descriptors.
2852         * tree-ssa-uncprop.c: Update tree_pass descriptors.
2853         * auto-inc-dec.c: Update tree_pass descriptors.
2854         * reorg.c: Update tree_pass descriptors.
2855         * cgraphunit.c: Update tree_pass descriptors.
2856         * tree-ssa-copyrename.c: Update tree_pass descriptors.
2857         * tree-ssa-ccp.c: Update tree_pass descriptors.
2858         * df-core.c: Update tree_pass descriptors.
2859         * mode-switching.c: Update tree_pass descriptors.
2860         * tree-nomudflap.c: Update tree_pass descriptors.
2861         * modulo-sched.c: Update tree_pass descriptors.
2862         * ipa-pure-const.c: Update tree_pass descriptors.
2863         * cse.c: Update tree_pass descriptors.
2864         * web.c: Update tree_pass descriptors.
2865         * tree-stdarg.c: Update tree_pass descriptors.
2866         * tree-ssa-math-opts.c: Update tree_pass descriptors.
2867         * tree-ssa-dom.c: Update tree_pass descriptors.
2868         * tree-nrv.c: Update tree_pass descriptors.
2869         * tree-ssa-alias.c: Update tree_pass descriptors.
2870         * loop-init.c: Update tree_pass descriptors.
2871         * gimple-low.c: Update tree_pass descriptors.
2872         * ipa-inline.c: Update tree_pass descriptors.
2873         * tree-ssa-sink.c: Update tree_pass descriptors.
2874         * global.c: Update tree_pass descriptors.
2875         * ifcvt.c: Update tree_pass descriptors.
2876         * jump.c: Update tree_pass descriptors.
2877         * predict.c: Update tree_pass descriptors.
2878         * tree-ssa-loop.c: Update tree_pass descriptors.
2879         * recog.c: Update tree_pass descriptors.
2880         * dse.c: Update tree_pass descriptors.
2881         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
2882         * tree-eh.c: Update tree_pass descriptors.
2883         * regmove.c: Update tree_pass descriptors.
2884         * local-alloc.c
2885         * function.c: Update tree_pass descriptors.
2886         * tree-vectorizer.c: Update tree_pass descriptors.
2887         * gcse.c: Update tree_pass descriptors.
2888         * ipa-type-escape.c: Update tree_pass descriptors.
2889         * tree-if-conv.c: Update tree_pass descriptors.
2890         * init-regs.c: Update tree_pass descriptors.
2891         * ipa.c: Update tree_pass descriptors.
2892         * tree-ssa-phiopt.c: Update tree_pass descriptors.
2893         * rtl-factoring.c: Update tree_pass descriptors.
2894         * lower-subreg.c: Update tree_pass descriptors.
2895         * bt-load.c: Update tree_pass descriptors.
2896         * tree-dfa.c: Update tree_pass descriptors.
2897         * except.c: Update tree_pass descriptors.
2898         * emit-rtl.c: Update tree_pass descriptors.
2899         * cfgexpand.c: Update tree_pass descriptors.
2900         * tree-cfgcleanup.c: Update tree_pass descriptors.
2901         * cfgcleanup.c: Update tree_pass descriptors.
2902         * tree-ssa-pre.c: Update tree_pass descriptors.
2903         * tree-sra.c: Update tree_pass descriptors.
2904         * tree-mudflap.c: Update tree_pass descriptors.
2905         * tree-ssa-copy.c: Update tree_pass descriptors.
2906         * cfglayout.c: Update tree_pass descriptors.
2907         * tree-ssa-forwprop.c: Update tree_pass descriptors.
2908         * tree-ssa-dce.c: Update tree_pass descriptors.
2909         * tree-ssa.c: Update tree_pass descriptors.
2910         * regclass.c: Update tree_pass descriptors.
2911         * integrate.c: Update tree_pass descriptors.
2912         * tree-optimize.c: Update tree_pass descriptors.
2913         * tree-ssa-phiprop.c: Update tree_pass descriptors.
2914         * tree-object-size.c: Update tree_pass descriptors.
2915         * combine.c: Update tree_pass descriptors.
2916         * tree-outof-ssa.c: Update tree_pass descriptors.
2917         * bb-reorder.c: Update tree_pass descriptors.
2918         * stack-ptr-mod.c: Update tree_pass descriptors.
2919         * var-tracking.c: Update tree_pass descriptors.
2920         * tree-profile.c: Update tree_pass descriptors.
2921         * tree-vect-generic.c: Update tree_pass descriptors.
2922         * reg-stack.c: Update tree_pass descriptors.
2923         * sched-rgn.c: Update tree_pass descriptors.
2924         * tree-ssa-structalias.c: Update tree_pass descriptors.
2925         * tree-cfg.c: Update tree_pass descriptors.
2926         * passes.c (current_pass): Update declaration.
2927         (finish_optimization_passes): Update.
2928         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
2929         (register_one_dump_file, register_dump_files_1, next_pass_1):
2930         Update arguments.
2931         (init_optimization_passes): Update handling of new types.
2932         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
2933         * ipa-struct-reorg.c: Update tree_pass descriptors.
2934         * tree-ssa-reassoc.c: Update tree_pass descriptors.
2935         * combine-stack-adj.c: Update tree_pass descriptors.
2936         * cfgrtl.c: Update tree_pass descriptors.
2937         * dce.c: Update tree_pass descriptors.
2938         * tree-ssanames.c: Update tree_pass descriptors.
2940 2008-03-19  Richard Guenther  <rguenther@suse.de>
2942         PR middle-end/35609
2943         * tree-ssa.c (walk_data): New structure.
2944         (warn_uninitialized_var): If not always_executed warn with "maybe"
2945         instead of "is".
2946         (execute_early_warn_uninitialized): Compute post-dominators.
2947         Initialize always_executed before processing each basic block.
2949 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
2951         PR target/35504
2952         * config/i386/i386.c (x86_this_parameter): Calculate correct location
2953         of "this" pointer when "regparm = N" or "fastcall" is in effect.
2955 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2957         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
2959 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
2961         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
2962         is true.
2963         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
2964         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
2965         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
2966         target after ignore has been set, and move there also the commputation
2967         of subtarget and original_target.
2968         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
2969         (LANG_HOOKS_INITIALIZER): Remove it.
2970         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
2972 2008-03-18  Richard Guenther  <rguenther@suse.de>
2974         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
2975         found an expression with constants, note that in the VN for the lhs.
2976         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
2977         fold them to constants if possible.  Run cleanup_cfg if done so.
2978         (execute_pre): Return todo.
2979         (do_pre): Likewise.
2980         (execute_fre): Likewise.
2981         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
2982         of constants.
2983         (get_prop_source_stmt): Look through pointer conversions.
2985 2008-03-18  Jan Hubicka  <jh@suse.cz>
2987         * tree-pretty-print.c: Include predict.h.
2988         (dump_generic_node): Dump predictor.
2989         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
2990         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
2991         * gimple-low.c (lower_stmt): Likewise.
2992         * expr.c (expand_expr_real): Likewise.
2993         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
2994         them.
2995         (build_predict_expr, build_predict_expr): New.
2996         * predict.h (predictor_name, build_predict_expr): Update.
2997         * c-typeck.c (c_finish_bc_stmt): Add prediction.
2998         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
2999         * predict.def (PRED_CONTINUE): Update hitrate.
3000         * tree.def (PREDICT_EXPR): Define.
3001         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
3002         do not handle BIND_EXPR.
3003         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
3004         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
3005         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
3006         operands.
3008 2008-03-18  Michael Matz  <matz@suse.de>
3010         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
3012 2008-03-18  Richard Guenther  <rguenther@suse.de>
3014         * tree-gimple.h (is_gimple_invariant_address): Declare.
3015         (is_gimple_constant): Likewise.
3016         * tree-gimple.c (is_gimple_constant): New function.
3017         (is_gimple_invariant_address): Likewise.
3018         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
3019         and is_gimple_invariant_address.
3020         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
3021         previous change.
3022         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
3023         an addressable base.
3025 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
3027         PR middle-end/35611
3028         * gimplify.c (gimplify_expr): Gimplify second operand of
3029         OMP_ATOMIC_LOAD.
3031 2008-03-17  Richard Guenther  <rguenther@suse.de>
3033         PR tree-optimization/19637
3034         * fold-const.c (fold_unary): Remove restrictions of removing
3035         intermediate pointer-conversions (P2)(P1)P0.
3036         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
3037         conversion to void pointer.
3038         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
3040 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
3042         PR debug/31510
3043         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
3044         emulated thread local variables.
3046 2008-03-16  Richard Guenther  <rguenther@suse.de>
3048         PR middle-end/35607
3049         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
3050         expand TREE_INVARIANT operations that are not gimple invariant.
3052 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
3054         * doc/extend.texi (Alignment): Say that the ABI controls
3055         the __alignof__ for non-strict-alignment targets rather
3056         than being a recommendation.
3058 2008-03-15  Paul Brook  <paul@codesourcery.com>
3060         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
3061         annotations.
3062         (arm_output_fn_unwind): Mark functions that can not be unwound.
3064 2008-03-15  Paul Brook  <paul@codesourcery.com>
3066         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
3067         extension instructions.
3069 2008-03-15  Richard Guenther  <rguenther@suse.de>
3071         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
3072         and fold constant aggregate refs.
3073         (fold_const_aggregate_ref): Handle string constants
3074         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
3075         (evaluate_stmt): Simplify now that ccp_fold folds constant
3076         aggregate refs.
3078 2008-03-15  Paul Brook  <paul@codesourcery.com>
3080         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
3081         (extzv): Use gen_extzv_t2.
3082         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
3084 2008-03-15  Richard Guenther  <rguenther@suse.de>
3086         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
3087         (fold_const_aggregate_ref): Likewise.
3088         (get_value): Return NULL if we don't have any values.
3089         (ccp_finalize): Set const_val to NULL after freeing it.
3090         * tree-flow.h (get_symbol_constant_value): Declare.
3091         (fold_const_aggregate_ref): Likewise.
3092         * tree-ssa-sccvn.c (try_to_simplify): Use them.
3094 2008-03-15  Richard Guenther  <rguenther@suse.de>
3096         PR middle-end/35593
3097         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
3098         to not produce negative array indices if not allowed.  Add
3099         parameter to indicate that.
3100         (maybe_fold_offset_to_component_ref): Allow negative array
3101         indices only for the first member of a structure.
3102         (maybe_fold_offset_to_reference): Allow negative array indices.
3103         (maybe_fold_stmt_addition): Likewise.
3105 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
3106             Anatoly Sokolov <aesok@post.ru>
3108         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
3109         (avr_arch): Add ARCH_AVR6.
3110         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
3111         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
3112         instead of fixed value 2.
3113         (print_operand_address): Use gs() asm specifier instead of pm().
3114         (avr_assemble_integer): (Ditto.).
3115         (avr_output_addr_vec_elt): (Ditto.).
3116         (print_operand): Handle "!" code.
3117         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
3118         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
3119         (AVR_HAVE_EIJMP_EICALL): Define.
3120         (AVR_3_BYTE_PC): Redefine.
3121         (AVR_2_BYTE_PC): (Ditto.).
3122         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
3123         (LINK_SPEC): Add atmega2560 and atmega2561.
3124         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
3125         (crtm2561.o).
3126         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
3127         for 3 byte PC devices.
3128         (call_value_insn): (Ditto.).
3129         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
3130         (indirect_jump): Use only for for 2 byte PC devices.
3131         (*tablejump): (Ditto.).
3132         (*indirect_jump_avr6): Add insn.
3133         (*tablejump_rjmp): Don't use for 3 byte PC devices.
3134         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
3135         instead of ijmp for 3 byte PC devices.
3136         (__tablejump2__): (Ditto.).
3137         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
3138         (MULITLIB_DIRNAMES): (Ditto.). 
3139         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
3141 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
3143         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
3144         "sse2_umulsidi3".  Use V1DI mode for operand 0.
3145         ("mmx_psadbw"): Use V1DI mode for operand 0.
3146         * config/i386/i386-modes.def (V1SI): New vector mode.
3147         * config/i386/i386.c (struct builtin_description)
3148         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
3149         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
3150         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
3151         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
3152         v1di_ftype_v8qi_v8qi type.
3153         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
3155         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
3156         __builtin_ia32_pmuludq]: Fix the mode of return value.
3158 2008-03-15  Richard Guenther  <rguenther@suse.de>
3160         PR middle-end/35595
3161         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
3162         being a PHI_NODE.
3164 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
3165         
3166         * doc/invoke.texi (Option Summary, Xtensa Options): Document
3167         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
3168         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
3169         unless TARGET_SERIALIZE_VOLATILE is enabled.
3170         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
3171         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
3172         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
3174 2008-03-14  Richard Guenther  <rguenther@suse.de>
3176         PR tree-optimization/34172
3177         * tree-flow.h (refs_may_alias_p): Declare.
3178         (get_single_def_stmt): Likewise.
3179         (get_single_def_stmt_from_phi): Likewise.
3180         (get_single_def_stmt_with_phi): Likewise.
3181         * tree-dfa.c (refs_may_alias_p): New function.
3182         (get_single_def_stmt): Likewise.
3183         (get_single_def_stmt_from_phi): Likewise.
3184         (get_single_def_stmt_with_phi): Likewise.
3185         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
3186         (vn_reference_lookup_1): New helper function.
3187         (vn_reference_lookup): Walk the virtual use-def chain to
3188         continue searching for a match if the def does not alias the
3189         reference we are looking for.
3191 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
3193         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
3194         archive and Perzl.  Update The Written Word listing.
3196 2008-03-14  Richard Guenther  <rguenther@suse.de>
3198         PR tree-optimization/34043
3199         PR tree-optimization/33989
3200         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
3201         when doing FRE.
3202         (bitmap_find_leader): Use extra argument to verify dominance
3203         relationship inside a basic-block.
3204         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
3205         (find_leader_in_sets): Adjust.
3206         (create_component_ref_by_pieces): Take extra argument for
3207         dominance check, handle lookup failures.
3208         (find_or_generate_expression): Likewise.
3209         (create_expression_by_pieces): Likewise.
3210         (insert_into_preds_of_block): Adjust.
3211         (create_value_expr_from): If asked for, verify all operands
3212         are in the blocks AVAIL_OUT set.
3213         (make_values_for_stmt): Check for SSA_NAMEs that are life
3214         over an abnormal edge.
3215         (compute_avail): Remove such check.
3216         (do_SCCVN_insertion): New function.
3217         (eliminate): If we do not find a leader suitable for replacement
3218         insert a replacement expression from SCCVN if available.
3219         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
3220         (struct vn_ssa_aux): Add needs_insertion flag.
3221         * tree-ssa-sccvn.c (may_insert): New global flag.
3222         (copy_reference_ops_from_ref): Value-number union member access
3223         based on its size, not type and member if insertion is allowed.
3224         (visit_reference_op_load): For a weak match from union type
3225         punning lookup a view-converted value and insert a SSA_NAME
3226         for that value if that is not found.
3227         (visit_use): Make dumps shorter.  Do not disallow value numbering
3228         SSA_NAMEs that are life over an abnormal edge to constants.
3229         (free_scc_vn): Release inserted SSA_NAMEs.
3230         (run_scc_vn): New flag to specify whether insertion is allowed.
3231         Process SSA_NAMEs in forward order.
3232         * tree-ssa-loop-im.c (for_each_index): Handle invariant
3233         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
3234         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
3235         pointer type to/from integral types that do not change the
3236         precision to regular conversions.
3238 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
3240         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
3241         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
3242         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
3243         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
3244         input arguments and the mode of return value.  Built-in functions
3245         that operate on whole 64-bit MMX register now use V1DI mode.
3247 2008-03-13  Alon Dayan  <alond@il.ibm.com>
3248             Olga Golovanevsky  <olga@il.ibm.com>
3250         PR tree-optimization/35041
3251         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
3252         to locate the right position in a statement.
3254 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
3256         PR target/34000
3257         PR target/35553
3258         * config/i386/xmmintrin.h:  Change all static inline functions to
3259         extern inline and add __gnu_inline__ attribute.
3260         * config/i386/bmintrin.h: Ditto.
3261         * config/i386/smmintrin.h: Ditto.
3262         * config/i386/tmmintrin.h: Ditto.
3263         * config/i386/mmintrin-common.h: Ditto.
3264         * config/i386/ammintrin.h: Ditto.
3265         * config/i386/emmintrin.h: Ditto.
3266         * config/i386/pmmintrin.h: Ditto.
3267         * config/i386/mmintrin.h: Ditto.
3268         * config/i386/mm3dnow.h: Ditto.
3270 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
3272         PR middle-end/35185
3273         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
3274         (lower_omp_2): New function.
3275         (lower_omp_1, lower_omp): Rewritten.
3277 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
3279         PR 35054
3280         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
3281         with the phrase "Microsoft Windows compilers".
3282         (Push/Pop Macro Pragmas): New subsection. Document
3283         #pragma push_macro and pragma pop_macro.
3285 2008-03-12  Paul Brook  <paul@codesourcery.com>
3287         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
3289 2008-03-12  Paul Brook  <paul@codesourcery.com>
3291         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
3292         (thumb2_alusi3_short): Exclude PLUS and MINUS.
3293         (thumb2_addsi_shortim): Rename ...
3294         (thumb2_addsi_short): ... to this.  Allow register operands.
3295         (thumb2_subsi_short): New pattern.
3296         (thumb2_one_cmplsi2_short,
3297         thumb2_negsi2_short): New patterns and peepholes.
3299 2008-03-12  Paul Brook  <paul@codesourcery.com>
3301         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
3303 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
3305         * config/i386/i386.md (int_cond): New code iterator.
3306         (fp_cond): Ditto.
3307         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
3308         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
3309         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
3310         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
3311         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
3312         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
3313         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
3314         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
3316 2008-03-12  Paul Brook  <paul@codesourcery.com>
3318         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
3319         instead of {arm,thumb}_compute_save_reg_mask.
3320         (output_return_instruction): Ditto.
3321         (thumb_unexpanded_epilogue): Ditto.
3322         (thumb1_expand_prologue): Ditto.
3323         (thumb1_output_function_prologue): Ditto.
3324         (arm_set_return_address): Ditto.
3325         (thumb_set_return_address): Ditto.
3326         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
3327         regs to achieve stack alignment.
3328         (thumb1_compute_save_reg_mask): Fix compiler warning.
3329         (arm_output_epilogue): Use offsets->saved_regs_mask.
3330         Adjust stack pointer by poping call clobered registers.
3331         (arm_expand_prologue): Use offsets->saved_regs_mask.
3332         Adjust stack pointer by pushing extra registers.
3333         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
3335 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
3337         PR tree-opt/35422
3338         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
3339         conversion to the operands of a multiplication.
3341 2008-03-12  Richard Guenther  <rguenther@suse.de>
3343         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
3344         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
3345         * timevar.def (TV_TREE_PHIPROP): Add.
3346         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
3347         pass description.  Use TV_TREE_PHIPROP.
3348         * tree-ssa-forwprop.c: Remove phiprop code.
3350 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
3352         PR middle-end/35549
3353         * omp-low.c (maybe_lookup_decl): Constify first argument.
3354         (use_pointer_for_field): Change last argument from bool to
3355         omp_context *.  Disallow shared copy-in/out in nested
3356         parallel if decl is shared in outer parallel too.
3357         (build_outer_var_ref, scan_sharing_clauses,
3358         lower_rec_input_clauses, lower_copyprivate_clauses,
3359         lower_send_clauses, lower_send_shared_vars): Adjust callers.
3361 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
3362             Ira Rosen  <irar@il.ibm.com>
3364         * tree-vectorizer.c (free_stmt_vec_info): New function.
3365         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
3366         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
3367         * tree-vectorizer.h (free_stmt_vec_info): Declare.
3368         * tree-vect-transform.c (vectorizable_conversion): Free
3369         vec_oprnds0 if it was allocated.
3370         (vect_permute_store_chain): Remove unused VECs.
3371         (vectorizable_store): Free VECs that are allocated in the..
3372         function.
3373         (vect_transform_strided_load, vectorizable_load): Likewise.
3374         (vect_remove_stores): Simplify the code.
3375         (vect_transform_loop): Move code to vect_remove_stores().
3376         Call vect_remove_stores() and free_stmt_vec_info().
3378 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3380         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
3381         TARGET_HPUX.  Revise comment.
3382         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
3383         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
3384         Use sr4 variant of `be' instruction when not generating PIC code.
3385         (attr_length_call): Adjust for above change.
3387 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3389         * ipa-reference.c (static_execute): Remove module_statics_const and
3390         associated setting code.
3392 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
3394         PR target/35540
3395         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
3396         predicate for operand 1.
3397         (paritysi2_cmp): Use register_operand predicate for operand 2.
3398         Use earlyclobber modifier for operand 1.  Remove support for
3399         memory operands.
3400         (paritydi2_cmp): Use register_operand predicate for operand 3.
3401         Use earlyclobber modifier for operand 1.  Remove support for
3402         memory operands.
3404 2008-03-11  Paul Brook  <paul@codesourcery.com>
3405             Vladimir Prus  <vladimir@codesourcery.com>
3407         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
3408         (arm_compute_save_reg0_reg12_mask): Always
3409         check if register 11 must be saved.  Always safe hard frame pointer
3410         when frame_pointer_needeed.
3411         (arm_compute_save_reg_mask): Save IP and PC
3412         only with apcs frames.
3413         (arm_output_epilogue): Adjust Thumb2 codepath to
3414         be also invoked and work for ARM non-apcs frames.
3415         (arm_expand_prologue): Don't bother saving IP
3416         for non-apcs frame, since it's not clobbered by
3417         prologue code.  Implement non-apcs frame
3418         layout.
3420 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
3422         PR rtl-optimization/35281
3423         * expr.c (convert_move): Use a new pseudo for the intermediate
3424         from_mode->word_mode result.
3426 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
3428         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
3429         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
3430         * toplev.c (compile_file): Don't call it.
3432 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
3434         PR middle-end/35526
3435         * expr.c (store_expr): Call emit_block_move if the mode
3436         of "temp" RTX is BLKmode.
3438 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3439             Richard Guenther  <rguenther@suse.de>
3441         PR tree-optimization/31358
3442         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
3443         the step with a NULL_TREE.
3444         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
3445         to sizetype if type is a pointer type.
3446         (add_candidate_1): Don't convert the base and step to
3447         the generic type if the orginal type is a pointer type.
3448         (add_iv_value_candidates): Use sizetype for the step
3449         if type is a pointer type.
3450         (cand_value_at): Likewise.
3451         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
3452         for pointer types.
3453         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
3454         Don't convert the tem affine to the type.
3455         (add_elt_to_tree): Use sizetype for the step if a pointer.
3456         Use POINTER_PLUS_EXPR for pointers.
3457         (aff_combination_to_tree): Use sizetype for the step if a
3458         pointer.
3460 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
3462         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
3463         Remove commutativity hint.
3465 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
3467         PR c/35438
3468         PR c/35439
3469         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
3470         errorneous type.  Check that v is a VAR_DECL.
3472         PR middle-end/35099
3473         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
3475 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
3477         PR tree-optimization/35494
3478         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
3479         may be overriden at link and run time.
3481 2008-03-10  Richard Guenther  <rguenther@suse.de>
3483         PR tree-optimization/34677
3484         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
3485         (poolify_tree): Likewise.
3486         (modify_expr_template): Likewise.
3487         (poolify_modify_stmt): Likewise.
3488         (insert_fake_stores): Handle all component-ref style stores
3489         in addition to INDIRECT_REF.  Also handle complex types.
3490         Do not poolify the inserted load.
3491         (realify_fake_stores): Do not rebuild the tree but only
3492         make it a SSA_NAME copy.
3493         (init_pre): Remove initialzation of modify_expr_template.
3494         Do not allocate modify_expr_node_pool.
3495         (fini_pre): Do not free modify_expr_node_pool.
3497 2008-03-10  Paul Brook  <paul@codesourcery.com>
3499         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
3500         to avoid conflicts.
3502 2008-03-10  Paul Brook  <paul@codesourcery.com>
3503             Mark Shinwell  <shinwell@codesourcery.com>
3505         * config/arm/cortex-r4.md: New.
3506         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
3507         insn attributes.
3508         * config/arm/arm.md: Include cortex-r4.md.
3509         (insn): Add smmls, sdiv and udiv values.
3510         (generic_sched): Don't use generic scheduling for Cortex-R4.
3511         (arm_issue_rate): New function.
3512         (TARGET_SCHED_ISSUE_RATE): Define.
3514 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3516         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
3518 2008-03-10  Richard Guenther  <rguenther@suse.de>
3520         * tree-ssa-pre.c (get_sccvn_value): Simplify.
3521         (compute_avail): Do not add stmt uses to AVAIL_OUT.
3523 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
3525         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
3526         Set default to true.
3528 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3530         * c.opt (Wsynth): Deprecate.
3531         * doc/invoke.texi (Option Summary, Warning Options): Document
3532         -Wno-format-contains-nul.
3534 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
3536         PR target/35496
3537         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
3538         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
3540 2008-03-09  Ira Rosen  <irar@il.ibm.com>
3542         * config/rs6000/rs6000.c (builtin_description): Rename vector
3543         left shift operations.
3544         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
3545         (altivec_vsl<VI_char>): Rename to ...
3546         (ashl<mode>3): ... new name.
3547         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
3548         gen_ashlv4si3.
3549         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
3551 2008-03-08  Richard Guenther  <rguenther@suse.de>
3553         * coverage.h (tree_coverage_counter_addr): Declare.
3554         * coverage.c (tree_coverage_counter_addr): New function.
3555         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
3556         before using again.
3557         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
3558         (tree_gen_one_value_profiler): Likewise.
3559         (tree_gen_ic_profiler): Likewise.
3560         (tree_gen_average_profiler): Likewise.
3561         (tree_gen_ior_profiler): Likewise.
3563 2008-03-08  Richard Guenther  <rguenther@suse.de>
3565         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
3566         (vn_binary_op_insert): Likewise.
3567         (vn_unary_op_lookup): Likewise.
3568         (vn_unary_op_insert): Likewise.
3569         (vn_nary_op_lookup): Declare.
3570         (vn_nary_op_insert): Likewise.
3571         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
3572         and binary hashes, use a single obstack for unary_op_pool
3573         and binary_op_pool.
3574         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
3575         a single struct vn_nary_op_s.  Store tree code length and
3576         a variable number of operands.
3577         (struct vn_reference_op_struct): Remove unused op2.
3578         (vn_reference_op_eq): Do not compare op2.
3579         (vn_reference_op_compute_hash): Do not compute hash of op2.
3580         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
3581         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
3582         with vn_nary_op_compute_hash.
3583         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
3584         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
3585         vn_nary_op_lookup.
3586         (vn_unary_op_insert, vn_binary_op_insert): Replace with
3587         vn_nary_op_insert.
3588         (visit_unary_op): Call nary functions.
3589         (visit_binary_op): Likewise.
3590         (process_scc): Adjust for struct vn_tables_s changes.
3591         (allocate_vn_table): Likewise.
3592         (free_vn_table): Likewise.
3593         * tree-vn.c (vn_add): Call nary functions.
3594         (vn_lookup): Likewise.
3596 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
3598         PR target/35498
3599         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
3600         wdst back after sync_compare_and_swapqhi_internal.
3602 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
3604         PR target/22152
3605         * config/i386/i386-modes.def (V1DI): New vector mode.
3606         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
3607         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
3608         (MMXMODE248): Ditto.
3609         (MMXMODE): Add V1DI mode.
3610         (mmxvecsize): Change DI mode to V1DI mode.
3611         ("mov<mode>): Use MMXMODEI8 mode iterator.
3612         ("*mov<mode>_internal_rex64"): Ditto.
3613         ("*mov<mode>_internal"): Ditto.
3614         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
3615         ("mmx_sub<mode>3"): Ditto.
3616         ("mmx_adddi3"): Remove insn pattern.
3617         ("mmx_subdi3"): Ditto.
3618         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
3619         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
3620         ("mmx_ashl<mode>3"): Ditto.
3621         ("mmx_lshrdi3"): Remove insn pattern.
3622         ("mmx_ashldi3"): Ditto.
3623         * config/i386/i386.c (classify_argument): Handle V1DImode.
3624         (function_arg_advance_32): Ditto.
3625         (function_arg_32): Ditto.
3626         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
3627         mmx_addv1di3 insn pattern.
3628         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
3629         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
3630         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
3631         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
3632         Remove definitions of built-in functions.
3633         (V1DI_type_node): New node.
3634         (v1di_ftype_v1di_int): Ditto.
3635         (v1di_ftype_v1di_v1di): Ditto.
3636         (v2si_ftype_v2si_si): Ditto.
3637         (v4hi_ftype_v4hi_di): Remove node.
3638         (v2si_ftype_v2si_di): Ditto.
3639         (ix86_init_mmx_sse_builtins): Handle V1DImode.
3640         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
3641         Redefine builtins using def_builtin_const with *_ftype_*_int node.
3642         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
3643         Add new builtins using def_builtin_const.
3644         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
3645         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
3646         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
3647         * config/i386/mmintrin.h (__v1di): New typedef.
3648         (_mm_add_si64): Cast arguments to __v1di type.
3649         (_mm_sub_si64): Ditto.
3650         (_mm_sll_pi16): Cast __count to __v4hi type.
3651         (_mm_sll_pi32): Cast __count to __v2si type.
3652         (_mm_sll_si64): Cast arguments to __v1di type.
3653         (_mm_srl_pi16): Cast __count to __v4hi type.
3654         (_mm_srl_pi32): Cast __count to __v2si type.
3655         (_mm_srl_si64): Cast arguments to __v1di type.
3656         (_mm_sra_pi16): Cast __count to __v4hi type.
3657         (_mm_sra_pi32): Cast __count to __v2si type.
3658         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
3659         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
3660         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
3661         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
3662         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
3663         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
3664         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
3665         (_mm_srai_pi32): Use __builtin_ia32_psradi.
3666         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
3667         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
3668         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
3669         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
3671 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
3673         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
3675 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
3677         PR target/35373
3678         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
3679         reg+const addressing for Altivec modes.  Don't generate reg+reg
3680         addressing for TFmode or TDmode quantities.
3682 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
3684         * c-common.c (vector_types_convertible_p): Call langhook
3685         instead of comptypes.
3687 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3689         PR tree-opt/35402
3690         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
3691         integral and scalar float variables which have a
3692         NULL DECL_INITIAL.
3694 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
3696         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
3697         dwarf_register_span hook when emitting unwind information for
3698         register-to-memory saves.
3699         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
3700         (rs6000_frame_related): Remove call to spe_synthesize_frame.
3702 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
3704         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
3705         for the same VAR_DECL.
3707 2008-03-06  Tom Tromey  <tromey@redhat.com>
3709         * treelang: Delete.
3710         * doc/standards.texi (Standards): Don't mention treelang.
3711         * doc/invoke.texi (Overall Options): Don't mention treelang.
3712         * doc/install.texi (Prerequisites): Don't mention bison or
3713         treelang.
3714         (Configuration): Don't mention treelang.
3715         (Building): Likewise.
3716         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
3718 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
3720         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
3721         word-extractions out of a multi-word object.
3723 2008-03-06  Richard Guenther  <rguenther@suse.de>
3725         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
3726         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
3727         result type and precision.
3728         * expr.c (get_inner_reference): Set unsignedp based on the result
3729         type of BIT_FIELD_REF.
3730         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
3731         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
3732         (try_instantiate_multiple_fields): Likewise.  Use the correct type
3733         for BIT_FIELD_REF.
3734         (sra_build_assignment): Likewise.
3735         (sra_build_elt_assignment): Likewise.
3736         (sra_explode_bitfield_assignment): Likewise.
3737         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
3738         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
3739         set BIT_FIELD_REF_UNSIGNED.
3740         (vectorizable_load): Likewise.
3742 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
3744         * cse.c (cse_extended_basic_block): Invalidate artificial defs
3745         at bb start.
3747 2008-03-06  Richard Guenther  <rguenther@suse.de>
3749         * alias.c (struct alias_set_entry): Move has_zero_child field
3750         to pack with alias_set.
3752 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
3754         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3755         32bit host.
3757 2008-03-05  Ian Lance Taylor  <iant@google.com>
3759         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
3761 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
3763         * fwprop.c (update_df): Support width and offset parameters of
3764         df_ref_create.
3765         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
3766         global_conflicts): Change DF_REF_EXTRACT to either
3767         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
3768         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3769         * df-scan.c (df_ref_record, df_defs_record,
3770         df_ref_create_structure, df_def_record_1, df_uses_record,
3771         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
3772         df_bb_refs_collect, df_entry_block_defs_collect,
3773         df_exit_block_uses_collect): Support new width and offset fields.
3774         (ref_extract_pool): New storage pool.
3775         (df_free_ref): New function.
3776         (df_reg_chain_unlink, df_free_collection_rec,
3777         df_sort_and_compress_refs): Call df_free_ref.
3778         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
3779         of df_ref_extract.
3780         (df_ref_create_structure): Allocate df_ref_extract if offset and
3781         width fields are used.
3782         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
3783         (df_uses_record): Get offset and width from ZERO_EXTRACT 
3784         and SIGN_EXTRACT.
3785         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
3786         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
3787         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3788         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
3789         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
3790         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3791         (df_ref_extract): New structure.
3792         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
3793         (df_ref_create): Add width and offset parameters.
3794         
3795 2008-03-05  Richard Guenther  <rguenther@suse.de>
3797         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3798         Use ranges_overlap_p.
3799         (offset_overlaps_with_access): Rename
3800         to ranges_overlap_p and move ...
3801         * tree-flow-inline.h (ranges_overlap_p): ... here.
3803         * tree.h (get_inner_reference, handled_component_p): Update
3804         comments.
3806         * tree.h (record_component_aliases, get_alias_set,
3807         alias_sets_conflict_p, alias_sets_must_conflict_p,
3808         objects_must_conflict_p): Move declarations ...
3809         * alias.h (record_component_aliases, get_alias_set,
3810         alias_sets_conflict_p, alias_sets_must_conflict_p,
3811         objects_must_conflict_p): ... here.
3812         Include coretypes.h.
3813         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
3815 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
3817         * cfg.c: Include tree-flow.h.
3818         (remove_edge_raw): Call redirect_edge_var_map_clear.
3819         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
3820         * tree-flow-inline.h (redirect_edge_var_map_def): New.
3821         (redirect_edge_var_map_result): New.
3822         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
3823         PENDING_STMT use with redirect_edge_var_map_*.
3824         * tree-ssa.c (edge_var_maps): New definition.
3825         (redirect_edge_var_map_add): New.
3826         (redirect_edge_var_map_clear): New.
3827         (redirect_edge_var_map_dup): New.
3828         (redirect_edge_var_map_vector): New.
3829         (redirect_edge_var_map_destroy): New.
3830         (ssa_redirect_edge): Replace PENDING_STMT use with
3831         redirect_edge_var_map_*.
3832         (flush_pending_stmts): Same.
3833         (delete_tree_ssa): Destroy edge var map.
3834         * tree-flow.h (struct _edge_var_map): New.
3835         Define edge_var_map vector type.
3836         Declare redirect_edge_var_map_* prototypes.
3837         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
3838         * tree-cfg.c (reinstall_phi_args): Replace
3839         PENDING_STMT use with redirect_edge_var_map_*.
3841 2008-03-05  Richard Guenther  <rguenther@suse.de>
3843         PR tree-optimization/35472
3844         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
3845         whose single use_stmt has a overlapping set of loaded and
3846         stored symbols as that use_stmt might be a noop assignment then.
3848 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
3850         * gthr-rtems.h: Implement __gthread_mutex_destroy.
3852 2008-03-05  Richard Guenther  <rguenther@suse.de>
3854         PR c++/35336
3855         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
3856         should be constants.
3857         * tree-cfg.c (verify_expr): Verify it.
3858         * fold-const.c (fold_truthop): Remove code generating
3859         BIT_FIELD_REFs of structure bases.
3860         (fold_binary): Likewise.
3861         (fold_ternary): Position and size of BIT_FIELD_REFs are
3862         always host integers.
3863         (make_bit_field_ref): Remove.
3864         (optimize_bit_field_compare): Remove.
3865         (all_ones_mask_p): Remove.
3867 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
3869         PR gcc/33009
3870         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
3871         (split_block_and_df_analyze): New. Split basic block and rebuild
3872         dataflow.
3873         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
3874         SPLIT_BLOCK.
3875         (split_pattern_seq): Likewise.
3876         (erase_matching_seqs): Likewise.
3877         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
3879 2008-03-04  Geoff Keating  <geoffk@apple.com>
3881         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
3882         declaration and code.
3883         (tree_invalid_nonnegative_warnv_p): Likewise.
3885 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
3887         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
3888         examples.  Truncate option-names then causing overfull hbox.
3890 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3892         PR target/35222
3893         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
3894         on hpux10.
3895         * configure: Rebuilt.
3897 2008-03-04  Rafael Espindola  <espindola@google.com>
3899         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
3900         (tree_unary_nonnegative_warnv_p): New.
3901         (tree_binary_nonnegative_warnv_p): New.
3902         (tree_single_nonnegative_warnv_p): New.
3903         (tree_invalid_nonnegative_warnv_p): New.
3904         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
3906 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3908         PR 28322
3909         * opts.c (handle_option): Postpone 'unknown option' errors only for
3910         warning options.
3912 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
3914         PR target/35453
3915         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
3916         (_SIDD_XXX): This.
3918 2008-03-04  Rafael Espindola  <espindola@google.com>
3920         * fold-const.c (tree_unary_nonzero_warnv_p): New.
3921         (tree_binary_nonzero_warnv_p): New.
3922         (tree_single_nonzero_warnv_p): New.
3923         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
3925 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
3927         PR middle-end/35456
3928         * fold-const.c (fold_cond_expr_with_comparison): Prevent
3929         transformations for modes that have signed zeros.
3930         * ifcvt.c (noce_try_abs): Ditto.
3932 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
3934         * config/i386/i386.c (override_options): Force
3935         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
3937 2008-03-04  Jan Hubicka  <jh@suse.cz>
3939         PR c++/35262
3940         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
3941         in last commit.
3943 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
3945         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
3946         label to probe the stack.
3948 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
3950         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
3951         (__gthr_win32_mutex_destroy): Declare.
3952         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
3953         __gthr_win32_mutex_destroy.
3954         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
3956 2008-03-03  Jan Hubicka  <jh@suse.cz>
3958         PR c++/35262
3959         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
3960         aggressive on inlining cold calls.
3962 2008-03-03  Richard Guenther  <rguenther@suse.de>
3964         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
3965         struct copies into the expression table.
3966         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
3967         (try_to_simplify): Likewise.
3968         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
3969         integral and pointer arguments which do not change the
3970         precision to NOP_EXPRs.
3971         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
3972         VIEW_CONVERT_EXPR case.
3974 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3976         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
3977         defined in a loop at depth 0 is invariant.
3978         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
3979         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
3980         be called at loop depth 0.
3982 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
3984         PR driver/35420
3985         * gcc.c (process_command): Update copyright notice dates.
3986         * gcov.c (print_version): Likewise.
3987         * gcov-dump.c (print_version): Likewise.
3988         * mips-tfile.c (main): Likewise.
3989         * mips-tdump.c (main): Likewise.
3991 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3993         PR 24924
3994         * c-common.c (flag_permissive): Delete.
3995         (constant_expression_warnings): Check flags first.
3996         (constant_expression_error): New.
3997         * c-common.h (flag_permissive): Delete.
3998         (constant_expression_error): Declare.
3999         * flags.h (flag_permissive): Declare. Update description.
4000         * diagnostic.c (pedwarn): Update.
4001         (permerror): New.
4002         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
4003         (permissive_error_kind): New.
4004         * toplev.c (flag_permissive): Define. Update description.
4005         * toplev.h (permissive_error_kind): Declare.
4006         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
4007         (pedwarn_c90): Use pedantic_warning_kind.
4008         * c-opts.c (c_common_post_options): flag_permissive does not affect
4009         flag_pedantic_errors.
4011 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
4013         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
4014         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
4015         __absvsi2, __absvDI2): Use unsigned arithmetic.
4017 2008-03-02  Andi Kleen  <ak@suse.de>
4018             Richard Guenther  <rguenther@suse.de>
4020         * struct-equiv.c: Remove file.
4021         * cfg_cleanup.c (condjump_equiv_p): Remove.
4022         * Makefile.in (OBJS-common): Remove struct-equiv.o.
4023         (struct-equiv.o): Remove rule.
4024         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
4025         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
4026         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
4028 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
4030         * ifcvt.c (noce_process_if_block): Try to handle only the then
4031         block if the else block exists but isn't suitable.
4033 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
4035         PR gcc/35063
4036         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
4037         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
4038         regression from previous patch.
4040 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
4042         PR gcc/35063
4043         * gthr.h: Add __gthread_mutex_destroy as a function that must be
4044         implemented.
4045         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
4046         * gthr-single.h (__gthread_mutex_destroy): Likewise.
4047         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
4048         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
4049         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
4050         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
4051         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
4052         (__gthread_mutex_destroy_function): Rename to
4053         __gthread_mutex_destroy.
4054         * gthr-dce.h (__gthread_mutex_destroy): Call
4055         pthread_mutex_destroy.
4056         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
4057         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
4058         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
4060 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
4062         * df-scan.c (df_ref_chain_change_bb): Simplify.
4063         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
4064         set_block_for_insn if there's any change.
4065         * df.h ((df_insn_change_bb): Fix prototype.
4066         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
4067         df_insn_change_bb, don't call set_block_for_insn.
4068         * emit-rtl.c (reorder_insns): Likewise.
4069         * haifa-sched.c (move_insn): Likewise.
4071 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
4073         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
4075 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
4077         * tree-flow-inline.h (next_readonly_imm_use): Return
4078         NULL_USE_OPERAND_P after the end.
4080 2008-03-01  Richard Guenther  <rguenther@suse.de>
4082         PR tree-optimization/35411
4083         * tree-sra.c (sra_build_assignment): Split conversion to
4084         final type to a separate statement if we are not assigning
4085         to a register.
4087 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4089         * fold-const.c (fold_convertible_p): Correct the logic to follow
4090         that in fold_convert().
4092 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
4094         PR c++/35315
4095         * tree-inline.c (build_duplicate_type): When we make a
4096         duplicate type, make it unique in the canonical types system.
4098 2008-02-29  Tom Tromey  <tromey@redhat.com>
4100         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
4101         input_file_stack_history, input_file_stack_restored): Remove.
4102         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
4103         * input.h (struct file_stack): Remove.
4104         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
4105         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
4106         Likewise.
4107         * diagnostic.h (struct diagnostic_context) <last_module>: Change
4108         type.
4109         (diagnostic_last_module_changed): Add 'map' argument.
4110         (diagnostic_set_last_function): Likewise.
4111         * diagnostic.c (undiagnostic_report_current_module): Iterate using
4112         line map, not input_file_stack.
4113         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
4115 2008-02-29  Paul Brook  <paul@codesourcery.com>
4117         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
4119 2008-02-29  Paul Brook  <paul@codesourcery.com>
4121         * config/arm/ieee754-df.S (muldf3): Use RET macros.
4123 2008-02-29  Richard Guenther  <rguenther@suse.de>
4125         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
4126         vn_lookup_or_add.
4127         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
4128         value for comparing for a store match.
4129         (simplify_unary_expression): Do nothing for SSA_NAMEs.
4130         (try_to_simplify): Do not do a full-blown reference lookup.
4132 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
4134         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
4135         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4137         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
4139 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
4141         * tree-loop-linear.c (try_interchange_loops): Compare memory access
4142         strides against cache sizes.
4144 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
4146         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
4147         constant to fpul.
4149 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
4151         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
4152         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
4153         is smaller than the original promoted value.
4154         (simplify_subreg): If OP is a SUBREG, try to preserve its
4155         SUBREG_PROMOTED_VAR_P information.
4157 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
4159         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
4160         (VN_INFO_GET): Allocate new objects on the obstack.
4161         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
4162         for rpo_numbers_temp, for consistency.
4163         (free_scc_vn): Free the obstack.
4165 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
4167         * doc/invoke.texi: Document -ftree-loop-distribution.
4168         * tree-loop-distribution.c: New.
4169         * tree-pass.h (pass_loop_distribution): New.
4170         * graphds.h (struct graph): Add htab_t indices.
4171         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
4172         * tree-vectorizer.c (rename_variables_in_loop): Extern.
4173         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
4174         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
4175         * tree-data-ref.c (debug_data_dependence_relations): New.
4176         (dump_data_dependence_relation): Also print data references.
4177         (free_data_ref): Extern.
4178         (same_access_functions): Moved...
4179         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
4180         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
4181         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
4182         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
4183         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
4184         (stmts_from_loop): Skip LABEL_EXPR.
4185         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
4186         New.
4187         (build_rdg): Initialize rdg->indices htab.
4188         (free_rdg, stores_from_loop, ref_base_address,
4189         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
4190         have_similar_memory_accesses_1, ref_base_address_1,
4191         remove_similar_memory_refs): New.
4192         * tree-data-ref.h: Depend on tree-chrec.h.
4193         (debug_data_dependence_relations, free_data_ref): Declared.
4194         (same_access_functions): ... here.
4195         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
4196         New.
4197         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
4198         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
4199         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
4200         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
4201         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
4202         rdg_vertex_for_stmt): Declared.
4203         (struct rdg_edge): Add level.
4204         (RDGE_LEVEL): New.
4205         (free_rdg, stores_from_loop, remove_similar_memory_refs,
4206         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
4207         Declared.
4208         (rdg_has_similar_memory_accesses): New.
4209         * tree-vect-analyze.c: Remove unused static decls.
4210         * lambda.h (dependence_level): New.
4211         * common.opt (ftree-loop-distribution): New.
4212         * tree-flow.h (mark_virtual_ops_in_bb, 
4213         slpeel_tree_duplicate_loop_to_edge_cfg,
4214         rename_variables_in_loop): Declared.
4215         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
4216         (OBJS-common): Add tree-loop-distribution.o.
4217         (tree-loop-distribution.o): New rule.
4218         * tree-cfg.c (mark_virtual_ops_in_bb): New.
4219         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
4220         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
4222 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
4224         PR target/33963
4225         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
4226         other than structures and unions.
4228 2008-02-28  Richard Guenther  <rguenther@suse.de>
4230         Revert:
4231         2008-02-26  Richard Guenther  <rguenther@suse.de>
4233         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4234         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4235         (lookup_decl_from_uid): Declare.
4236         (remove_decl_from_map): Likewise.
4237         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4238         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4239         (decl_for_uid_map): New global hashtable mapping DECL_UID
4240         to the decl tree.
4241         (init_ttree): Allocate it.
4242         (insert_decl_to_uid_decl_map): New helper function.
4243         (make_node_stat): Insert new decls into the map.
4244         (copy_node_stat): Likewise.
4245         (lookup_decl_from_uid): New function.
4246         (remove_decl_from_map): Likewise.
4247         (print_decl_for_uid_map_statistics): New helper.
4248         (dump_tree_statistics): Call it.
4250         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4251         (referenced_var_iterator): Adjust.
4252         (FOR_EACH_REFERENCED_VAR): Adjust.
4253         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4254         (num_referenced_vars): Adjust.
4255         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4256         (first_referenced_var): Remove.
4257         (end_referenced_vars_p): Likewise.
4258         (next_referenced_var): Likewise.
4259         (referenced_var_iterator_set): New helper function.
4260         * tree-dfa.c (referenced_var_lookup): Adjust.
4261         (referenced_var_check_and_insert): Likewise.
4262         (remove_referenced_var): Likewise.
4263         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4264         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4265         (verify_call_clobbering): Likewise.
4266         (verify_memory_partitions): Likewise.
4267         (init_tree_ssa): Allocate bitmap instead of hashtable for
4268         referenced_vars.
4269         (delete_tree_ssa): Adjust.
4270         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4271         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4272         (compute_tag_properties): Likewise.
4273         (set_initial_properties): Likewise.
4274         (find_partition_for): Likewise.
4275         (update_reference_counts): Likewise.
4276         (dump_may_aliases_for): Likewise.
4277         * tree-ssa-operands.c (add_virtual_operand): Likewise.
4278         (add_call_clobber_ops): Likewise.
4279         (add_call_read_ops): Likewise.
4280         (get_asm_expr_operands): Likewise.
4281         * tree-into-ssa.c (dump_decl_set): Likewise.
4282         (update_ssa): Likewise.
4283         * tree-sra.c (scan_function): Likewise.
4284         (decide_instantiations): Likewise.
4285         (scalarize_parms): Likewise.
4286         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4287         (dsa_named_for): Likewise.
4288         * tree-ssa-structalias.c (update_alias_info): Likewise.
4289         (merge_smts_into): Likewise.
4291 2008-02-27  David Daney  <ddaney@avtrex.com>
4293         PR target/34409
4294         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
4295         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
4296         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
4297         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
4298         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
4300 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
4302         PR target/25477
4303         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
4304         (BUILT_IN_NEXTTOWARD): Remove.
4305         (BUILT_IN_NEXTTOWARDF): Ditto.
4306         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
4307         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
4309 2008-02-27  Tom Tromey  <tromey@redhat.com>
4311         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
4312         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
4314 2008-02-27  Jan Beulich  <jbeulich@novell.com>
4316         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
4317         update the respective field on newdecl.
4319 2008-02-27  Revital Eres  <eres@il.ibm.com>
4321         PR rtl-optimization/34999
4322         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
4323         crossing edges that ends with a call insn.
4324         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
4325         call insn and clear the EDGE_CROSSING flag of the crossing edge
4326         when fixing fallthru edges.
4328 2008-02-27  Richard Guenther  <rguenther@suse.de>
4330         PR middle-end/35390
4331         * fold-const.c (fold_unary): Return the correct argument,
4332         converted to the result type.
4334 2008-02-27  Richard Guenther  <rguenther@suse.de>
4336         PR middle-end/34971
4337         * expr.c (expand_expr_real_1): Assert on rotates that operate
4338         on partial modes.
4339         * fold-const.c (fold_binary): Use the types precision, not the
4340         bitsize of the mode if folding rotate expressions.  Build rotates
4341         only for full modes.
4343 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
4345         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
4346         and CPP_PRAGMA_EOL.
4347         * c-pragma.c (pragma_ns_name): New typedef.
4348         (registered_pp_pragmas): New variable.
4349         (c_pp_lookup_pragma): New function.
4350         (c_register_pragma_1): If flag_preprocess_only, do nothing
4351         for non-expanded pragmas, for expanded ones push pragma's
4352         namespace and name into registered_pp_pragmas vector.
4353         (c_invoke_pragma_handler): Register OpenMP pragmas even when
4354         flag_preprocess_only, don't register GCC pch_preprocess
4355         pragma if flag_preprocess_only.
4356         * c-opts.c (c_common_init): Call init_pragma even if
4357         flag_preprocess_only.
4358         * c-pragma.c (c_pp_lookup_pragma): New prototype.
4359         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
4360         cpp_register_pragma if flag_preprocess_only.
4362 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4364         PR c/28800
4365         * c-parser.c (c_parser_translation_unit): Warn for empty
4366         translation unit, not empty source file.
4368 2008-02-26  Paul Brook  <paul@codesourcery.com>
4370         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
4371         operand for Thumb-2.
4372         * config/arm/arm.h (reg_class): Add CORE_REGS.
4373         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
4374         (BASE_REG_CLASS): Use CORE_REGS.
4375         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
4376         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
4377         (REGNO_OK_FOR_INDEX_P): Exclude SP.
4378         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
4379         ARM_REGNO_OK_FOR_INDEX_P.
4380         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
4381         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
4382         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
4383         (ldm/stm peepholes): Ditto.
4384         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
4385         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
4386         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
4387         * config/arm/constraints.md: Enable "k" constraint on ARM.
4389 2008-02-27  Ben Elliston  <bje@au.ibm.com>
4391         * config/rs6000/rs6000.c: Annotate cache line size field in all
4392         instances of struct processor_costs.
4394 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
4396         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
4397         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
4398         jump_bypass): New counters.
4399         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
4400         * dce.c (gate_ud_dce): Same.
4401         (gate_fast_dce): Same.
4402         * dse.c (gate_dse1): New function.
4403         (gate_dse2): New function.
4404         (gate_dse): Merge results of new gate functions.
4405         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
4406         (gate_handle_jump_bypass): Add dbg_cnt.
4407         (gate_handle_gcse): Add dbg_cnt.
4408         * ifcvt.c (gate_handle_if_conversion): Same.
4409         (gate_handle_if_after_combine): Same.
4410         (gate_handle_if_after_reload): Same.
4411         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
4413 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
4415         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
4416         line sizes.
4417         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
4419 2008-02-26  Jason Merrill  <jason@redhat.com>
4421         PR c++/35315
4422         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
4423         alone if it's the naming decl for the type's main variant.
4425 2008-02-26  Tom Tromey  <tromey@redhat.com>
4427         * system.h (USE_MAPPED_LOCATION): Poison.
4428         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
4429         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
4430         (make_goto_expr_edges): Likewise.
4431         (remove_bb): Likewise.
4432         (execute_warn_function_return): Likewise.
4433         * basic-block.h (struct edge_def) <goto_locus>: Change type to
4434         location_t.
4435         * c-common.c (fname_decl): Remove old location code.
4436         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
4437         location code.
4438         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
4439         variant.
4440         (ASM_INPUT_SOURCE_LOCATION): Likewise.
4441         (gen_rtx_ASM_INPUT): Likewise.
4442         (gen_rtx_ASM_INPUT_loc): Likewise.
4443         (get_rtx_asm_OPERANDS): Remove.
4444         * cfglayout.c (insn_locators_alloc): Remove old location code.
4445         (set_curr_insn_source_location): Likewise.
4446         (curr_insn_locator): Likewise.
4447         * print-tree.c (print_node): Remove old location code.
4448         * tree-mudflap.c (mf_varname_tree): Remove old location code.
4449         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
4450         * cfgexpand.c (expand_gimple_cond_expr): Don't use
4451         location_from_locus.
4452         (construct_exit_block): Remove old location code.
4453         * emit-rtl.c (force_next_line_note): Remove old location code.
4454         * profile.c (branch_prob): Remove old location code.
4455         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
4456         LOC_LINE): Remove old-location variants.
4457         * langhooks.c (lhd_print_error_function): Remove old location
4458         code.
4459         * configure, config.in: Rebuilt.
4460         * configure.ac (--enable-mapped-location): Remove.
4461         * c-decl.c (c_init_decl_processing): Remove old location code.
4462         (finish_function): Likewise.
4463         * recog.c (decode_asm_operands): Remove old location code.
4464         * c-pch.c (c_common_read_pch): Remove old location code.
4465         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
4466         variants.
4467         * gimple-low.c (lower_function_body): Remove old location code.
4468         * toplev.c (unknown_location): Remove.
4469         (push_srcloc): Remove old-location variant.
4470         (process_options): Remove old location code.
4471         (lang_dependent_init): Likewise.
4472         * input.h (UNKNOWN_LOCATION): Move definition.
4473         (location_t): Undeprecate.
4474         (source_locus): Remove.
4475         (location_from_locus): Remove.
4476         (struct location_s): Remove.
4477         Remove all old-location code.
4478         (input_line, input_filename): Remove.
4479         * final.c (final_scan_insn): Remove old location code.
4480         * diagnostic.c (diagnostic_build_prefix): Remove
4481         USE_MAPPED_LOCATION test.
4482         * tree.h (gimple_stmt) <locus>: Now a location_t.
4483         (tree_exp) <locus>: Likewise.
4484         (DECL_IS_BUILTIN): Remove old-location variant.
4485         (annotate_with_file_line, annotate_with_locus): Likewise.
4486         (expr_locus, set_expr_locus): Update.
4487         * tree.c (build1_stat): Remove old location code.
4488         (last_annotated_node): Remove.
4489         (annotate_with_file_line): Remove old-location variant.
4490         (annotate_with_locus): Likewise.
4491         (expr_location): Remove old location code.
4492         (set_expr_location): Likewise.
4493         (expr_has_location): Likewise.
4494         (expr_locus): Likewise.
4495         (set_expr_locus): Likewise.
4496         (expr_filename): Don't use location_from_locus.
4497         (expr_lineno): Likewise.
4498         * rtl-error.c (location_for_asm): Remove old location code.
4499         * c-lex.c (cb_line_change): Remove old location code.
4500         (fe_file_change): Likewise.
4501         (cb_def_pragma): Likewise.
4502         (c_lex_with_flags): Likewise.
4503         * gengtype.c (do_typedef): Don't special-case location types.
4504         (define_location_structures): Remove.
4505         (main): Don't call define_location_structures.
4506         * tree-pretty-print.c (dump_implicit_edges): Remove old location
4507         code.
4509 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4511         PR 26264
4512         * builtins.def (BUILT_IN_STDARG_START): Remove.
4513         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
4514         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
4515         * tree-inline.c (inline_forbidden_p_1): Likewise.
4516         
4517 2008-02-26  Richard Guenther  <rguenther@suse.de>
4519         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4520         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4521         (lookup_decl_from_uid): Declare.
4522         (remove_decl_from_map): Likewise.
4523         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4524         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4525         (decl_for_uid_map): New global hashtable mapping DECL_UID
4526         to the decl tree.
4527         (init_ttree): Allocate it.
4528         (insert_decl_to_uid_decl_map): New helper function.
4529         (make_node_stat): Insert new decls into the map.
4530         (copy_node_stat): Likewise.
4531         (lookup_decl_from_uid): New function.
4532         (remove_decl_from_map): Likewise.
4533         (print_decl_for_uid_map_statistics): New helper.
4534         (dump_tree_statistics): Call it.
4536         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4537         (referenced_var_iterator): Adjust.
4538         (FOR_EACH_REFERENCED_VAR): Adjust.
4539         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4540         (num_referenced_vars): Adjust.
4541         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4542         (first_referenced_var): Remove.
4543         (end_referenced_vars_p): Likewise.
4544         (next_referenced_var): Likewise.
4545         (referenced_var_iterator_set): New helper function.
4546         * tree-dfa.c (referenced_var_lookup): Adjust.
4547         (referenced_var_check_and_insert): Likewise.
4548         (remove_referenced_var): Likewise.
4549         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4550         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4551         (verify_call_clobbering): Likewise.
4552         (verify_memory_partitions): Likewise.
4553         (init_tree_ssa): Allocate bitmap instead of hashtable for
4554         referenced_vars.
4555         (delete_tree_ssa): Adjust.
4556         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4557         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4558         (compute_tag_properties): Likewise.
4559         (set_initial_properties): Likewise.
4560         (find_partition_for): Likewise.
4561         (update_reference_counts): Likewise.
4562         (dump_may_aliases_for): Likewise.
4563         * tree-ssa-operands.c (add_virtual_operand): Likewise.
4564         (add_call_clobber_ops): Likewise.
4565         (add_call_read_ops): Likewise.
4566         (get_asm_expr_operands): Likewise.
4567         * tree-into-ssa.c (dump_decl_set): Likewise.
4568         (update_ssa): Likewise.
4569         * tree-sra.c (scan_function): Likewise.
4570         (decide_instantiations): Likewise.
4571         (scalarize_parms): Likewise.
4572         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4573         (dsa_named_for): Likewise.
4574         * tree-ssa-structalias.c (update_alias_info): Likewise.
4575         (merge_smts_into): Likewise.
4577 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4579         PR 34351
4580         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
4581         * c-opts.c (c_common_handle_option): Wall enables
4582         Wvolatile-register-var.
4583         * common.opt: Move Wvolatile-register-var to...
4584         * c.opt: ...here.
4585         
4586 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4588         * common.opt (Wlarger-than=): New.
4589         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
4590         -Wlarger-than=.
4591         * opts.c (common_handle_option): Handle -Wlarger-than=.
4592         * optc-gen.awk: Likewise.
4593         * opth-gen.awk: Likewise.
4594         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
4595         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4596         
4597 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4599         * c-common.c (match_case_to_enum_1): Add appropriate
4600         OPT_W* parameter to warning.
4601         (c_do_switch_warnings): Likewise.
4602         * c-typeck.c (warning_init): Add one more parameter following
4603         'warning' function.
4604         (push_init_level): Update call to warning_init.
4605         (pop_init_level): Likewise.
4606         (add_pending_init): Likewise.
4607         (output_init_element: Likewise.
4609 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4611         PR 28322
4612         * toplev.c (toplev_main): If there are warnings or error, print
4613         errors for ignored options.
4614         * opts.c (ignored_options): New static variable.
4615         (postpone_unknown_option_error): New.
4616         (print_ignored_options): New.
4617         (handle_option): Postpone errors for unknown -Wno-* options.
4618         * opts.h (print_ignored_options): Declare.
4619         
4620 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
4622         * config/mips/mips.md (loadgp_blockage, blockage): Change type
4623         to "ghost".
4625 2008-02-25  Richard Guenther  <rguenther@suse.de>
4627         Revert:
4628         2008-02-25  Richard Guenther  <rguenther@suse.de>
4630         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4631         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4632         (lookup_decl_from_uid): Declare.
4633         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4634         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4635         (decl_for_uid_map): New global hashtable mapping DECL_UID
4636         to the decl tree.
4637         (init_ttree): Allocate it.
4638         (insert_decl_to_uid_decl_map): New helper function.
4639         (make_node_stat): Insert new decls into the map.
4640         (copy_node_stat): Likewise.
4641         (lookup_decl_from_uid): New function.
4642         (print_decl_for_uid_map_statistics): New helper.
4643         (dump_tree_statistics): Call it.
4645         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4646         (referenced_var_iterator): Adjust.
4647         (FOR_EACH_REFERENCED_VAR): Adjust.
4648         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4649         (num_referenced_vars): Adjust.
4650         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4651         (first_referenced_var): Remove.
4652         (end_referenced_vars_p): Likewise.
4653         (next_referenced_var): Likewise.
4654         (referenced_var_iterator_set): New helper function.
4655         * tree-dfa.c (referenced_var_lookup): Adjust.
4656         (referenced_var_check_and_insert): Likewise.
4657         (remove_referenced_var): Likewise.
4658         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4659         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4660         (verify_call_clobbering): Likewise.
4661         (verify_memory_partitions): Likewise.
4662         (init_tree_ssa): Allocate bitmap instead of hashtable for
4663         referenced_vars.
4664         (delete_tree_ssa): Adjust.
4665         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4666         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4667         (compute_tag_properties): Likewise.
4668         (set_initial_properties): Likewise.
4669         (find_partition_for): Likewise.
4670         (update_reference_counts): Likewise.
4671         (dump_may_aliases_for): Likewise.
4672         * tree-ssa-operands.c (add_virtual_operand): Likewise.
4673         (add_call_clobber_ops): Likewise.
4674         (add_call_read_ops): Likewise.
4675         (get_asm_expr_operands): Likewise.
4676         * tree-into-ssa.c (dump_decl_set): Likewise.
4677         (update_ssa): Likewise.
4678         * tree-sra.c (scan_function): Likewise.
4679         (decide_instantiations): Likewise.
4680         (scalarize_parms): Likewise.
4681         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4682         (dsa_named_for): Likewise.
4683         * tree-ssa-structalias.c (update_alias_info): Likewise.
4684         (merge_smts_into): Likewise.
4686 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
4688         PR fortran/29549
4689         * doc/invoke.texi (-fcx-limited-range): Document new option.
4690         * toplev.c (process_options): Handle -fcx-fortran-rules.
4691         * common.opt: Add documentation for -fcx-fortran-rules.
4693 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
4695         PR c/35162
4696         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
4697         actual behaviour and C99.
4698         
4699 2008-02-26  Ben Elliston  <bje@au.ibm.com>
4701         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
4702         (ASM_CPU_POWER6_SPEC): Likewise.
4703         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
4704         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
4705         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
4707 2008-02-25  Richard Guenther  <rguenther@suse.de>
4709         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4710         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4711         (lookup_decl_from_uid): Declare.
4712         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4713         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4714         (decl_for_uid_map): New global hashtable mapping DECL_UID
4715         to the decl tree.
4716         (init_ttree): Allocate it.
4717         (insert_decl_to_uid_decl_map): New helper function.
4718         (make_node_stat): Insert new decls into the map.
4719         (copy_node_stat): Likewise.
4720         (lookup_decl_from_uid): New function.
4721         (print_decl_for_uid_map_statistics): New helper.
4722         (dump_tree_statistics): Call it.
4724         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4725         (referenced_var_iterator): Adjust.
4726         (FOR_EACH_REFERENCED_VAR): Adjust.
4727         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4728         (num_referenced_vars): Adjust.
4729         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4730         (first_referenced_var): Remove.
4731         (end_referenced_vars_p): Likewise.
4732         (next_referenced_var): Likewise.
4733         (referenced_var_iterator_set): New helper function.
4734         * tree-dfa.c (referenced_var_lookup): Adjust.
4735         (referenced_var_check_and_insert): Likewise.
4736         (remove_referenced_var): Likewise.
4737         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4738         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4739         (verify_call_clobbering): Likewise.
4740         (verify_memory_partitions): Likewise.
4741         (init_tree_ssa): Allocate bitmap instead of hashtable for
4742         referenced_vars.
4743         (delete_tree_ssa): Adjust.
4744         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4745         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4746         (compute_tag_properties): Likewise.
4747         (set_initial_properties): Likewise.
4748         (find_partition_for): Likewise.
4749         (update_reference_counts): Likewise.
4750         (dump_may_aliases_for): Likewise.
4751         * tree-ssa-operands.c (add_virtual_operand): Likewise.
4752         (add_call_clobber_ops): Likewise.
4753         (add_call_read_ops): Likewise.
4754         (get_asm_expr_operands): Likewise.
4755         * tree-into-ssa.c (dump_decl_set): Likewise.
4756         (update_ssa): Likewise.
4757         * tree-sra.c (scan_function): Likewise.
4758         (decide_instantiations): Likewise.
4759         (scalarize_parms): Likewise.
4760         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4761         (dsa_named_for): Likewise.
4762         * tree-ssa-structalias.c (update_alias_info): Likewise.
4763         (merge_smts_into): Likewise.
4765 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
4767         PR target/35258
4768         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
4769         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
4770         * alias.h (nonoverlapping_memrefs_p): Likewise.
4772 2008-02-25  Jan Beulich  <jbeulich@novell.com>
4774         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
4775         * config/i386/netware-libgcc.exp: Add __bswap?i2,
4776         __emultls_get_address, __emultls_register_common,
4777         __floatundi?f, and _Unwind_GetIPInfo.
4778         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
4779         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
4780         (gen_regparm_prefix): Likewise.
4781         (i386_nlm_encode_section_info): Sync with
4782         config/i386/winnt.c:i386_pe_encode_section_info().
4783         (i386_nlm_maybe_mangle_decl_assembler_name): New.
4784         i386_nlm_mangle_decl_assembler_name): New.
4785         (netware_override_options): New.
4786         * config/i386/netware.h (netware_override_options): Declare.
4787         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
4788         (i386_nlm_mangle_decl_assembler_name): Declare.
4789         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
4791 2008-02-25  Ben Elliston  <bje@au.ibm.com>
4793         PR other/32948
4794         * c-decl.c (grokdeclarator): Remove unused local variables
4795         `typedef_type' and `type_as_written'.
4796         * bb-reorder.c
4797         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
4798         unused local variable `has_hot_blocks'.
4799         (fix_crossing_conditional_branches): Remove unused local variable
4800         `prev_bb'.
4801         
4802 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
4804         PR middle-end/19984
4805         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
4806         using DEF_C99_BUILTIN.
4807         (BUILT_IN_NANF): Ditto.
4808         (BUILT_IN_NANL): Ditto.
4810 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
4811             Revital Eres  <eres@il.ibm.com>
4813         * modulo-sched.c (calculate_must_precede_follow): Address TODO
4814         regarding the order of two dependent insns in the same row.
4816 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
4818         * stor-layout.c (layout_decl): Do not bump the alignment of a
4819         bit-field to more than byte alignment if it is packed.
4821 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
4823         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
4824         e300c2 and e300c3.
4826 2008-02-24  Diego Novillo  <dnovillo@google.com>
4828         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
4830         PR 33738
4831         * tree-vrp.c (vrp_evaluate_conditional): With
4832         -Wtype-limits, emit a warning when comparing against a
4833         constant outside the natural range of OP0's type.
4834         * c.opt (Wtype-limits): Move ...
4835         * common.opt (Wtype-limits): ... here.
4837 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
4839         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
4840         * config/rs6000/e300c2c3.md: New file.
4841         * config/rs6000/rs6000.c (processor_costs): Add new costs for
4842         e300c2 and e300c3.
4843         (rs6000_override_options): Add e300c2 and e300c3 cases to
4844         processor_target_table. Do not allow usage of Altivec or Spe
4845         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
4846         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
4847         * config/rs6000/rs6000.h (processor_type): Add
4848         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
4849         (ASM_CPU_SPEC): Add e300c2 and e300c3.
4850         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
4851         and ppce300c3. Include e300c2c3.md.
4853 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
4855         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
4856         instead of TARGET_STRICT_ALIGN.
4858 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
4860         * explow.c (memory_address): Assert that the generated address is
4861         valid.
4863 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4865         PR target/25477
4866         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
4867         * config/darwin-ppc-ldouble-patch.def: New file.
4868         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
4869         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
4870         SUBTARGET_INIT_BUILTINS if defined.
4871         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
4872         New functions.
4874 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4876         PR rtl-opt/33512
4877         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
4878         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
4880 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4882         PR pch/35027
4883         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
4884         file" warning condtional on -Winvalid-PCH.
4886 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
4888         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
4890 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
4892         PR target/22076
4893         PR target/34256 
4894         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
4895         prevent reload from using MMX registers.
4896         (*mov<mode>_internal): Ditto.
4897         (*movv2sf_internal_rex64): Ditto.
4898         (*movv2sf_internal): Ditto.
4900 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4902         PR documentation/31569
4903         * doc/install.texi2html: Use makeinfo --no-number-sections.
4905 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
4907         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
4908         ensure that we can address an entire entity > 8 bytes.  Don't
4909         generate reg+reg addressing for such data.
4911 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
4913         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
4914         strings when optimizing for size, unless the target cares about
4915         alignment.
4917 2008-02-22  Tom Tromey  <tromey@redhat.com>
4919         * regclass.c (current_pass): Remove declaration.
4921 2008-02-22  Anatoly Sokolov <aesok@post.ru>
4923         * config/avr/libgcc.S (__RAMPZ__): Define.
4924         (__do_copy_data): Add for devices with 128KB code memory.
4926 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
4928         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4929         Use spe_abi.
4930         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
4932 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
4934         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
4935         GENNONACR_REGS.
4937 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4939         PR c/19999
4940         * c-typeck.c (build_binary_op): Warn about floating point
4941         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
4943 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
4945         PR target/34526
4946         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
4947         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
4948         add vrsave.
4949         (rs6000_override_options): Set altivec_abi as default, not override,
4950         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
4951         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
4952         is used; use new member spe_abi.
4953         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
4954         spe_abi and altivec_abi.
4956 2008-02-22  Tomas Bily  <tbily@suse.cz>
4958         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
4960 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4962         PR bootstrap/35273
4963         * config.build (build_file_translate): Set to `CMD //c' only if
4964         it works.
4965         * Makefile.in (build_file_translate): Improve comment.
4967 2008-02-21  Jan Hubicka  <jh@suse.cz>
4969         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
4970         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
4971         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
4973 2008-02-21  Michael Matz  <matz@suse.de>
4975         PR target/35264
4976         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
4978 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
4980         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
4981         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
4982         as insn constraint.
4983         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
4984         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
4985         SSE_VEC_FLOAT_MODE_P as insn constraint.
4986         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
4987         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
4988         sse4a_movntdf using MODEF mode iterator.
4989         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
4990         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
4991         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
4992         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
4993         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
4994         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
4995         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
4997 2008-02-21  Richard Guenther  <rguenther@suse.de>
4999         * tree.def (PAREN_EXPR): New tree code.
5000         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
5001         and PAREN_EXPR.
5002         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
5003         * expr.c (expand_expr_real_1): Likewise.
5004         * tree-inline.c (estimate_num_insns_1): Likewise.
5005         * tree-complex.c (expand_complex_move): Likewise.
5006         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
5007         as plain x.
5009 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5011         PR target/35225
5012         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
5014 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5016         PR target/35190
5017         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
5019         * config/sh/sh.c (find_barrier): Don't go past
5020         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
5022 2008-02-20  DJ Delorie  <dj@redhat.com>
5024         * config/h8300/h8300.md (insv): Force source operand to be a register.
5026         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
5027         as a jump, not as a plain insn.
5028         
5029 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
5031         * doc/invoke.texi (Warning Options): Add new option
5032         -Wframe-larger-than=.
5033         (-Wframe-larger-than): Document.
5035         * flags.h (warn_frame_larger_than, frame_larger_than_size):
5036         Add declarations for new option variables.
5038         * final.c (final_start_function): Check the frame size
5039         before emission and issue a Wframe-larger-than warning.
5041         * opts.c (warn_frame_larger_than, frame_larger_than_size):
5042         Add definitions for new option variables.
5043         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
5045         * common.opt (Wframe-larger-than=): New option.
5047 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
5049         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
5050         (<sse>_div<mode>3): Ditto.
5051         (<sse>_vmdiv<mode>3): Ditto.
5052         (<sse>_vmsqrt<mode>2): Ditto.
5053         (*smax<mode>3): Ditto.
5054         (sse5_frcz<mode>2): Ditto.
5055         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
5056         as insn constraint.
5058 2008-02-20  Richard Guenther  <rguenther@suse.de>
5060         PR middle-end/35265
5061         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
5062         be happy with INTEGRAL_TYPE_P.
5064 2008-02-20  Richard Guenther  <rguenther@suse.de>
5066         * fold-const.c (split_tree): Associate floatig-point expressions
5067         if flag_associative_math is set.
5069 2008-02-20  Richard Guenther  <rguenther@suse.de>
5071         * tree.h (fold_real_zero_addition_p): Declare.
5072         * fold-const.c (fold_real_zero_addition_p): Export.
5073         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
5074         floating-point operations with zero and one.
5076 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
5078         * doc/install.texi: Correct references to CFLAGS, replacing them
5079         with BOOT_CFLAGS.  Document flags used during bootstrap for
5080         target libraries.
5081                                 
5082 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
5084         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
5085         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
5086         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
5087         insn constraint.
5088         (smin<mode>3): Ditto from similar patterns.
5089         (smax<mode>3): Ditto.
5090         (*ieee_smin<mode>3): Ditto.
5091         (*ieee_smax<mode>3): Ditto.
5092         * config/i386/sse.md (sse): New mode attribute.
5093         (mov<mode>): Macroize expander from movv4sf and movv2df using
5094         SSEMODEF2P mode iterator.
5095         (<sse>_movnt<mode>): Ditto from similar patterns. Use
5096         SSE_VEC_FLOAT_MODE_P as insn constraint.
5097         (storent<mode>): Ditto.
5098         (storent<mode>): Macroize expander from storentsf and storentdf using
5099         MODEF mode iterator.
5100         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
5101         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
5102         (abs<mode>2): Ditto from similar patterns.
5103         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
5104         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
5105         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
5106         (<sse>_vmsqrt<mode>2): Ditto.
5107         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
5108         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
5109         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
5110         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
5111         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
5112         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
5113         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
5114         insn constraint.
5115         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
5116         iterator and SSE_FLOAT_MODE_P as insn constraint.
5117         (<sse>_ucomi): Ditto from similar patterns.
5118         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
5119         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
5120         SSE_VEC_FLOAT_MODE_P as insn constraint.
5121         (vcond<mode>): Ditto from similar patterns.
5122         (and<mode>3, *and<mode>3): Ditto.
5123         (<sse>_nand<mode>3): Ditto.
5124         (ior<mode>3, *ior<mode>3): Ditto.
5125         (xor<mode>3, *xor<mode>3): Ditto.
5126         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
5127         iterator and SSE_FLOAT_MODE_P as insn constraint.
5128         (*nand<mode>3): Ditto from similar patterns.
5129         (*ior<mode>3): Ditto.
5130         (*xor<mode>3): Ditto.
5132 2008-02-20  Ira Rosen  <irar@il.ibm.com>
5134         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
5135         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
5136         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
5138 2008-02-19  Jan Hubicka  <jh@suse.cz>
5140         * predict.c (tree_bb_level_predictions): Remove variable next
5141         mistakely introduced by previous commit.
5143 2008-02-19  Jan Hubicka  <jh@suse.cz>
5145         * predict.c (predict_paths_leading_to): Rewrite.
5146         (predict_paths_for_bb): New.
5147         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
5149 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5151         PR bootstrap/35218
5152         * Makefile.in (build_file_translate): New.
5153         (gcc-vers.texi): Use it for translating $(abs_srcdir).
5154         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
5155         * configure.ac (build_file_translate): Substitute it.
5156         * configure: Regenerate.
5158 2008-02-19  Jan Hubicka  <jh@suse.cz>
5160         PR rtl-optimization/34408
5161         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
5162         invalid sharing.
5164 2008-02-19  Jan Hubicka  <jh@suse.cz>
5166         PR middle-end/28779
5167         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
5168         call_expr.
5170 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
5172         PR Ada/35186
5173         * config/i386/i386-modes.def: Revert the last DI alignment
5174         change until Ada people can look into it.
5176 2008-02-19  Nick Clifton  <nickc@redhat.com>
5178         * opts.c (print_specific_help): Fix typo in --help text.
5180 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
5182         PR target/35239
5183         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
5184         32-bit inline asm without asm alternatives for host GCC < 3.0.
5186 2008-02-19  Richard Guenther  <rguenther@suse.de>
5188         PR tree-optimization/34989
5189         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
5190         Allow propagation to INDIRECT_REF if we can simplify only.
5192 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5194         * c-common.c (warn_for_collisions_1): Use appropriate option when
5195         warning.
5197 2008-02-19  Nick Clifton  <nickc@redhat.com>
5199         PR other/31349
5200         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
5201         (handle_options): Fix indentation.
5202         (print_filtered_help): If no language-specific options were
5203         displayed tell the user how to list all the options supported by
5204         the language's front-end.
5205         (print_specific_help): Fix indentation and remove duplicate line.
5206         (common_handle_option): Handle the -v option.
5207         For --help enable the display of undocumented options if the -v
5208         switch has been included on the command line.
5209         For --help= check for overlaps in the arguments between the option
5210         classes and the language names and issue a warning when they
5211         cannot be disambiguated.
5212         * c.opt (v): Pass on to the common option handler.
5214 2008-02-19  Revital Eres  <eres@il.ibm.com> 
5216         * modulo-sched.c (sms_schedule): Change dump message when
5217         create_ddg function fails.
5218         (try_scheduling_node_in_cycle): Rename row to cycle.
5219         (print_partial_schedule): Rename CYCLE to ROW.
5221 2008-02-19  Christian Bruel  <christian.bruel@st.com>
5222             Zdenek Dvorak  <ook@ucw.cz>
5224         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
5226 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
5228         PR target/33555
5229         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
5230         (*x86_movdicc_0_m1_se): Ditto.
5232 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
5234         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
5235         (CMPtype): Define as __gcc_CMPtype.
5236         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
5237         (CMPtype): Define as __gcc_CMPtype.
5239 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
5241         Support valgrind 3.3 for --enable-checking=valgrind.
5242         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
5243         here.
5244         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
5245         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
5246         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
5247         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
5248         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
5249         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
5250         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
5251         respectively.
5252         * ggc-zone.c: Similar.
5253         * ggc-page.c: Similar.
5255 2008-02-19  Paul Brook  <paul@codesourcery.com>
5257         PR target/35071
5258         * config/arm/ieee754-df.S: Fix do_it typo.
5259         * config/arm/ieee754-sf.S: Fix do_it typo.
5261 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
5263         PR target/35189
5264         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
5265         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
5266         (OPTION_MASK_ISA_SSE_SET): Likewise.
5267         (OPTION_MASK_ISA_SSE2_SET): Likewise.
5268         (OPTION_MASK_ISA_SSE3_SET): Likewise.
5269         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
5270         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
5271         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
5272         (OPTION_MASK_ISA_SSE4_SET): Likewise.
5273         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
5274         (OPTION_MASK_ISA_SSE5_SET): Likewise.
5275         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
5276         (OPTION_MASK_ISA_MMX_UNSET): Updated.
5277         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
5278         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
5279         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
5280         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
5281         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
5282         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
5283         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
5284         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
5285         (OPTION_MASK_ISA_SSE4): Removed.
5286         (ix86_handle_option): Turn on bits in ix86_isa_flags and
5287         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
5288         (override_options): Don't turn on implied SSE/MMX bits in
5289         ix86_isa_flags.
5291 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
5293         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
5294         32bit host.
5296 2008-02-18  Joey Ye  <joey.ye@intel.com>
5298         PR middle-end/34921
5299         * tree-nested.c (insert_field_into_struct): Set type alignment
5300         to field alignment if the former is less than the latter.
5302 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
5304         * BASE-VER: Set to 4.4.0.
5306 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5308         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
5309         * doc/cfg.texi: Likewise.
5310         * doc/extend.texi: Likewise.
5311         * doc/gty.texi: Likewise.
5312         * doc/invoke.texi: Likewise.
5313         * doc/loop.texi: Likewise.
5314         * doc/md.texi: Likewise.
5315         * doc/passes.texi: Likewise.
5316         * doc/rtl.texi: Likewise.
5317         * doc/sourcebuild.texi: Likewise.
5318         * doc/tm.texi: Likewise.
5319         * doc/tree-ssa.texi: Likewise.
5321 2008-02-17  Richard Guenther  <rguenther@suse.de>
5323         PR middle-end/35227
5324         * tree-complex.c (init_parameter_lattice_values): Handle parameters
5325         without default definition.
5327 2008-02-17  Richard Guenther  <rguenther@suse.de>
5329         PR tree-optimization/35231
5330         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
5331         if A | B != 1.
5333 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
5335         Revert:
5336         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
5337         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
5338         libgcc_cmp_return mode.
5340 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5342         PR c/28368
5343         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
5345 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
5347         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
5348         multilibs.
5350 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5352         * doc/c-tree.texi: Use `@.' where appropriate.
5353         * doc/extend.texi: Likewise.
5354         * doc/install.texi: Likewise.
5355         * doc/invoke.texi: Likewise.
5356         * doc/loop.texi: Likewise.
5357         * doc/makefile.texi: Likewise.
5358         * doc/md.texi: Likewise.
5359         * doc/passes.texi: Likewise.
5360         * doc/standards.texi: Likewise.
5361         * doc/tm.texi: Likewise.
5363 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
5365         PR middle-end/35196
5366         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
5367         in entry_bb.
5368         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
5369         rather than in entry_bb.
5371 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
5373         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
5374         libgcc_cmp_return mode.
5376 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
5378         PR middle-end/35130
5379         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
5380         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
5382 2008-02-15  Richard Guenther  <rguenther@suse.de>
5383             Zdenek Dvorak  <ook@ucw.cz>
5385         PR tree-optimization/35164
5386         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
5387         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
5388         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
5389         Only propagate addresses which do not have abnormal SSA_NAMEs
5390         in their operands.
5392 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
5394         PR target/35088
5395         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
5397 2008-02-15  Jan Hubicka  <jh@suse.cz>
5399         PR middle-end/35149
5400         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
5402 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
5404         PR middle-end/34621
5405         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
5406         when calculating alignment_pad.
5408 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
5410         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
5411         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
5412         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
5413         and STACK_BOUNDARY define.
5415 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
5417         PR preprocessor/35061
5418         * c-pragma.c (handle_pragma_pop_macro): Check that
5419         pushed_macro_table has been allocated.
5421 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
5423         PR middle-end/35136
5424         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
5425         (force_gimple_operand): Likewise.
5426         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
5427         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
5428         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
5429         (find_interesting_uses_address): Check addressability and alignment
5430         of the base expression only after substituting bases of IVs into it.
5432 2008-02-14  Michael Matz  <matz@suse.de>
5434         PR target/34930
5435         * function.c (instantiate_virtual_regs_in_insn): Reload address
5436         before falling back to reloading the whole operand.
5438 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
5440         * config/s390/s390.c (s390_mainpool_start): Emit the pool
5441         before the first section switch note.
5443 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5445         * doc/bugreport.texi: Update copyright years.
5446         * doc/c-tree.texi: Likewise.
5447         * doc/cfg.texi: Likewise.
5448         * doc/cpp.texi: Likewise.
5449         * doc/cppinternals.texi: Likewise.
5450         * doc/fragments.texi: Likewise.
5451         * doc/frontends.texi: Likewise.
5452         * doc/gcc.texi: Likewise.
5453         * doc/gty.texi: Likewise.
5454         * doc/hostconfig.texi: Likewise.
5455         * doc/implement-c.texi: Likewise.
5456         * doc/libgcc.texi: Likewise.
5457         * doc/loop.texi: Likewise.
5458         * doc/makefile.texi: Likewise.
5459         * doc/options.texi: Likewise.
5460         * doc/passes.texi: Likewise.
5461         * doc/rtl.texi: Likewise.
5462         * doc/sourcebuild.texi: Likewise.
5463         * doc/standards.texi: Likewise.
5464         * doc/tree-ssa.texi: Likewise.
5465         * doc/trouble.texi: Likewise.
5467         * doc/extend.texi: Use @: or add comma where appropriate.
5468         * doc/invoke.texi: Likewise.
5469         * doc/tm.texi: Likewise.
5471 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
5473         PR target/34393
5474         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
5475         to a reg.
5477 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
5479         * doc/md.texi (clz, ctz): Add reference.
5480         * doc/rtl.texi (clz, ctz): Likewise.
5482 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5484         PR other/35148
5485         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
5486         srcdir.
5488 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
5490         * config/s390/s390.c (struct constant_pool): New field
5491         emit_pool_after added.
5492         (s390_mainpool_start): Set the emit_pool_after flag according
5493         to the section switch notes.
5494         (s390_mainpool_finish): Consider emit_pool_after when emitting
5495         the literal pool at the end of the function.
5496         (s390_chunkify_start): Force literal pool splits at section
5497         switch notes.
5499 2008-02-13  Michael Matz  <matz@suse.de>
5501         PR debug/35065
5502         * var-tracking.c (clobber_variable_part): Correctly traverse the
5503         list.
5505 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5507         PR 29673
5508         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
5509         Add -fdump-ipa-inline.
5510         * tree-dump.c (dump_files): Remove tree-inlined dump.
5511         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
5512         
5513 2008-02-12  Richard Guenther  <rguenther@suse.de>
5515         PR tree-optimization/35171
5516         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
5517         default defs.
5519 2008-02-12  Richard Guenther  <rguenther@suse.de>
5521         PR middle-end/35163
5522         * fold-const.c (fold_widened_comparison): Use get_unwidened in
5523         value-preserving mode.  Disallow final truncation.
5525 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5527         PR middle-end/35136
5528         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
5529         code from here to...
5530         (force_gimple_operand): ...here.
5532 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
5534         PR c++/35144
5535         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
5536         non-compatible pointers.
5537         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
5538         different FIELD_DECLs, try harder by comparing field offsets, sizes
5539         and types.
5541         PR inline-asm/35160
5542         * function.c (match_asm_constraints_1): Don't replace the same input
5543         multiple times.
5545 2008-02-12  Anatoly Sokolov <aesok@post.ru>
5547         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
5548         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
5549         (expand_epilogue): Restore RAMPZ register.
5550         * config/avr/avr.md (RAMPZ_ADDR): New constant.
5552 2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
5554         * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
5556 2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
5558         * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
5559         rather than OS names to choose INO_T_EQ definition.
5560         (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
5561         (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name
5562         field.
5564 2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
5566         PR target/36348
5567         * config/darwin-f.c: New.
5568         * config/t-darwin: Added rule to build darwin-f.o.
5569         * config.gcc: Defined new variable, fortran_target_objs.
5570         (*-*-darwin*): Set fortran_target_objs.
5571         * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
5572         * configure.ac: Substitute fortran_target_objs, set
5573         FORTRAN_TARGET_OBJS.
5574         * configure: Regenerated.
5576 2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
5578         PR target/35771
5579         * config/i386/i386.c (ix86_function_arg_boundary): Convert to
5580         canonical type if needed.
5582 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
5584         * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
5586 2008-05-29  Richard Guenther  <rguenther@suse.de>
5588         PR tree-optimization/36343
5589         PR tree-optimization/36346
5590         PR tree-optimization/36347
5591         * tree-flow.h (clobber_what_p_points_to): Declare.
5592         * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
5593         pointed-to variable is dereferenced is irrelevant to whether
5594         the pointer can access the pointed-to variable.
5595         (clobber_what_p_points_to): New function.
5596         * tree-ssa-alias.c (set_initial_properties): Use it.
5597         * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
5598         call clobber check for NMTs.
5600 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
5601         
5602         * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
5603         for printing gcov_type.
5605 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
5607         * tree-ssa-propagate.c (set_rhs): Preserve the histogram
5608         and the eh region information.
5609         * value-prof.c (gimple_move_stmt_histograms): New function.
5610         * value-prof.h (gimple_move_stmt_histograms): New function declaration.
5612 2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
5614         * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
5616 2008-05-28  Seongbae Park <seongbae.park@gmail.com>
5618         * value-prof.c (tree_ic_transform): Print counts.
5619         * tree-profile.c (tree_gen_ic_func_profiler):
5620         Clear __gcov_indreict_call_callee variable
5621         to avoid misattribution of the profile.
5623 2008-05-28  Rafael Espindola  <espindola@google.com>
5625         * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
5626         invalid sharing.
5628 2008-05-28  Richard Guenther  <rguenther@suse.de>
5630         PR tree-optimization/36339
5631         * tree-ssa-alias.c (set_initial_properties): Move pt_anything
5632         and clobbering code out of the loop.
5634 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
5636         * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
5637         letters defined.
5639         * config/s390/s390.c (s390_compare_and_branch_condition_mask,
5640         s390_contiguous_bitmask_p, s390_symref_operand_p,
5641         s390_check_symref_alignment, s390_reload_larl_operand,
5642         s390_reload_symref_address): New functions.
5643         (s390_branch_condition_mnemonic): Support compare and branch
5644         instructions.
5645         (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
5646         and 'W' constraints.
5647         (s390_secondary_reload): Add secondary reloads for unaligned
5648         symbol refs or symbol refs to floating point or QI/TI mode
5649         integer values.
5650         (legitimate_address_p): Accept symbol references as addresses.
5651         (s390_expand_insv): Use rotate and insert selected bits
5652         instruction for insv when building for z10.
5653         (print_operand_address): Handle symbol ref addresses.
5654         (print_operand): Output modifier 'c' added for signed byte
5655         values.
5656         (s390_encode_section_info): Mark symbol refs with
5657         SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
5659         * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
5660         (length attribute): RRF, RRR have 4 byte length.
5661         (FPALL, INTALL): New mode iterators added.
5662         (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
5663         *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
5664         *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
5665         *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
5666         *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
5667         *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
5668         *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
5669         *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
5670         instructions.
5671         (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
5672         *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
5673         *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
5674         reload<INTALL:mode><P:mode>_toreg_z10,
5675         reload<FPALL:mode><P:mode>_tomem_z10,
5676         reload<FPALL:mode><P:mode>_toreg_z10,
5677         reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
5678         *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
5679         *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
5680         *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
5681         definition.
5682         (movmem, clrmem, cmpmem): New splitters added.
5684         * config/s390/predicates.md (larl_operand): Use
5685         SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
5686         SYMBOL_REF_ALIGN1_P.
5687         (s390_signed_integer_comparison,
5688         s390_unsigned_integer_comparison): New predicates.
5690         * config/s390/s390-protos.h (s390_check_symref_alignment,
5691         s390_contiguous_bitmask_p, s390_reload_larl_operand,
5692         s390_reload_symref_address,
5693         s390_compare_and_branch_condition_mask): Prototypes added.
5695         * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
5696         SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
5697         SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
5699 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
5701         * config/s390/s390.c (z10_cost): New cost function for z10.
5702         (s390_handle_arch_option, override_options): Support
5703         -march=z10 switch.
5704         (s390_issue_rate): Adjust issue rate for z10.
5705         * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
5706         (processor_flags): Add PF_Z10.
5707         (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
5708         * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
5709         * gcc/config.gcc: Add z10.
5711 2008-05-28  Richard Guenther  <rguenther@suse.de>
5713         PR tree-optimization/36291
5714         * tree-flow. h (struct gimple_df): Remove var_anns member.
5715         * tree-flow-inline.h (gimple_var_anns): Remove.
5716         (var_ann): Simplify.
5717         * tree-dfa.c (create_var_ann): Simplify.
5718         (remove_referenced_var): Clear alias info from var_anns of globals.
5719         * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
5720         (delete_tree_ssa): Clear alias info from var_anns of globals.
5721         Do not free var_anns.
5722         (var_ann_eq): Remove.
5723         (var_ann_hash): Likewise.
5725 2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
5727         * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
5728         and loongson2f entries.
5729         (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
5730         * config/mips/mips.h (processor_type): Add Loongson-2E
5731         and Loongson-2F entries.
5732         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
5733         (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
5734         * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
5735         * doc/invoke.texi (MIPS Options): Document loongson2e
5736         and loongson2f processor names.
5738 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
5740         PR target/35767
5741         PR target/35771
5742         * config/i386/i386.c (ix86_function_arg_boundary): Use
5743         alignment of canonical type.
5744         (ix86_expand_vector_move): Check unaligned memory access for
5745         all SSE modes.
5747 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
5749         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
5750         Moved to the front of file.
5752 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
5753             H.J. Lu  <hongjiu.lu@intel.com>
5755         * dwarf2out.c (current_fde): New.
5756         (add_cfi): Use it.
5757         (lookup_cfa:): Likewise.
5758         (dwarf2out_end_epilogue): Likewise.
5759         (dwarf2out_note_section_used): Likewise.
5761 2008-05-27  Michael Matz  <matz@suse.de>
5763         PR c++/27975
5764         * c.opt (Wenum-compare): New warning option.
5765         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
5767 2008-05-27  Michael Matz  <matz@suse.de>
5769         PR middle-end/36326
5770         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
5771         non-BLKmode types.
5772         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
5773         into memory as tail calls.
5775 2008-05-27  Richard Guenther  <rguenther@suse.de>
5777         PR tree-optimization/36339
5778         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
5779         pointers cause all addressable variables to be call clobbered.
5781 2008-05-27  Richard Guenther  <rguenther@suse.de>
5783         PR tree-optimization/36245
5784         * tree-ssa-address.c (add_to_parts): Deal with non-pointer
5785         bases.
5787 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
5789         * config/s390/s390.md: Replace all occurences of the 'm'
5790         constraint with 'RT'.
5792 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
5794         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
5795         definitions added.
5796         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
5797         "*movdi_64".
5798         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
5799         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
5800         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
5802 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
5804         * reload.c: (find_reloads): Skip alternatives according to the
5805         "enabled" attribute. Constify the constraint variable.
5806         * recog.c (get_attr_enabled): Add default implementation.
5807         (extract_insn): Set the alternative_enabled_p array
5808         in the recog_data struct.
5809         (preprocess_constraints, constrain_operands): Skip
5810         alternatives according to the "enabled" attribute
5811         * recog.h (struct recog_data): New field alternative_enabled_p.
5812         (skip_alternative): New inline function.
5813         * regclass.c: (record_operand_costs): Check the "enabled"
5814         attribute.
5815         (record_reg_classes): Skip alternative according to the
5816         "enabled" attribute.
5818         * doc/md.texi: Add documention for the "enabled" attribute.
5820 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
5822         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
5823         * postreload.c (reload_cse_simplify_operands): Replace 'm'
5824         constraint with TARGET_MEM_CONSTRAINT.
5825         * recog.c (asm_operand_ok, preprocess_constraints,
5826         constrain_operands): Likewise.
5827         * regclass.c (record_reg_classes): Likewise.
5828         * reload.c (find_reloads, alternative_allows_const_pool_ref):
5829         Likewise.
5830         * reload1.c (maybe_fix_stack_asms): Likewise.
5831         * stmt.c (parse_output_constraint, parse_input_constraint):
5832         Likewise.
5833         * recog.h: Adjust comment.
5834         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
5835         * genoutput.c (note_constraint): Don't emit error for 'm'
5836         constraint.
5837         * doc/md.texi: Add a note to description of 'm' constraint.
5838         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
5840 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
5842         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
5843         that the bitfield is of integral type before testing its precision.
5845 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
5846             Sa Liu  <saliu@de.ibm.com> 
5848         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3, 
5849         __modti3, __udivti3, __umodti3 and __udivmodti4.
5850         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
5851         that implement TImode mul and div functions.
5852         * config/spu/multi3.c: New. Implement __multi3.
5853         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
5854         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
5855         functions on SPU.
5857 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
5859         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
5860         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
5861         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
5862         tls_sysv_suffix): New mode and mode attribute iterators.
5863         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
5864         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
5865         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
5866         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
5867         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
5868         iterators.
5870 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
5872         PR tree-optimization/36329
5873         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
5874         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
5875         * cgraphbuild.c (initialize_inline_failed): Use the latter
5876         macro in lieu of the former.
5877         * ipa-inline.c (cgraph_mark_inline): Likewise.
5878         (cgraph_decide_inlining_of_small_function): Likewise.
5879         (cgraph_decide_inlining): Likewise.
5880         (cgraph_decide_inlining_incrementally): Likewise.
5882 2008-05-26  Tristan Gingold  <gingold@adacore.com>
5883             Anatoly Sokolov  <aesok@post.ru>
5885         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
5886         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
5887         * config/avr/avr.c (expand_prologue): Tune "call_prologue" 
5888         optimization for 'avr6' architecture.
5890 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
5892         PR target/34932
5893         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
5895 2008-05-26  Richard Guenther  <rguenther@suse.de>
5897         * tree-ssa-sccvn.c (expr_has_constants): Declare.
5898         (visit_reference_op_load): Initialize VN_INFO->has_constants
5899         properly.
5901 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
5903         PR middle-end/36253
5904         * caller-save.c (insert_restore): Verify alignment of spill
5905         space.
5906         (insert_save): Likewise.
5908         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
5910         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
5911         (STACK_SLOT_ALIGNMENT): Likewise.
5913         * function.c (LOCAL_ALIGNMENT): Removed.
5914         (get_stack_local_alignment): New.
5915         (assign_stack_local): Use it.  Set alignment on stack slot.
5916         (assign_stack_temp_for_type): Use get_stack_local_alignment.
5918         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
5919         (STACK_SLOT_ALIGNMENT): New.
5921         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
5922         stack slot in XFmode.
5924         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
5926 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
5928         PR/36321
5929         * config/i386/i386.md (allocate_stack_worker_64): Make sure
5930         argument operand in rax isn't removed.
5932 2008-05-26  Richard Guenther  <rguenther@suse.de>
5934         PR middle-end/36300
5935         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
5936         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
5938 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
5940         PR bootstrap/36331
5941         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
5943 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
5945         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
5946         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
5948 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
5950          * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
5951         build a trampoline if we don't want one.
5952         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
5953         return zero for nested functions if we don't want a trampoline.
5955 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
5957         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
5959 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
5961         PR fortran/18428
5962         * c.opt: Removed undocumented option '-lang-fortran'.
5963         * c-common.h: Removed global variable 'lang_fortran'.
5964         * c-opts.c (c_common_handle_option): Removed code to handle
5965         option '-lang-fortran'. Updated includes.
5966         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
5967         definition of '__GFORTRAN__'.
5968         (define__GNUC__): Reimplemented to use BASEVER and
5969         cpp_define_formatted.
5970         (builtin_define_with_value_n): Removed.
5971         * c-incpath.h: Renamed to ...
5972         * incpath.h: ... this.
5973         * c-incpath.c: Renamed to ...
5974         * incpath.c: ... this. Updated includes.
5975         * fix-header.c: Updated includes.
5976         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
5977         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
5978         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
5980 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
5982         * tree.h: Update the table of flags used on tree nodes.
5983         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
5984         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
5985         (FORCED_LABEL): Add access check.
5986         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
5987         (ASM_INPUT_P): Likewise.
5988         (ASM_VOLATILE_P): Likewise.
5989         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
5990         (OMP_SECTION_LAST): Access private_flag directly.
5991         (OMP_RETURN_NOWAIT): Likewise.
5992         (OMP_PARALLEL_COMBINED): Likewise.
5993         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
5994         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
5995         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
5996         deprecated_flag directly.
5998 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
6000         * final.c (frame_pointer_needed): Removed.
6001         * flags.h (frame_pointer_needed): Likewise.
6003         * function.h (rtl_data): Add frame_pointer_needed.
6004         (frame_pointer_needed): New.
6006 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
6008         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
6010 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
6012         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
6013         SRC is a REG.
6015 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
6017         * c-common.c (strip_array_types): Move function to..
6018         * tree.c: ..here.
6019         (get_inner_array_type): Delete.
6020         * c-common.h (strip_array_types): Move declaration to..
6021         * tree.h: ..here.
6022         (get_inner_array_type): Delete.
6023         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
6024         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
6025         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
6026         * config/pa/pa.c (emit_move_sequence): Likewise.
6028 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
6030         * config/i386/i386.md (*sse_prologue_save_insn): Set length
6031         attribute to 34.
6033 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
6035         * function.c: Include target hook for nonlocal_goto frame value.
6037 2008-05-24  Richard Guenther  <rguenther@suse.de>
6039         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that
6040         a scalar variable can be only accessed through a pointer
6041         or a union.
6043 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6045         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
6046         * doc/extend.texi: Likewise.
6048 2008-05-23  DJ Delorie  <dj@redhat.com>
6050         * config/m32c/jump.md (untyped_call): Add.
6052         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
6053         for A24 to PSImode.
6054         (m32c_address_cost): Detail costs for indirect offsets.
6056 2008-05-23  Rafael Espindola  <espindola@google.com>
6058         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
6059         if a node is a SUBREG.
6060         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
6061         is a SUBREG.
6063 2008-05-23  Paul Brook  <paul@codesourcery.com>
6064             Carlos O'Donell  <carlos@codesourcery.com>
6066         * doc/extend.texi: Clarify use of __attribute__((naked)).
6067         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
6068         * target.h (gcc_target): Add allocate_stack_slots_for_args.
6069         * function.c (use_register_for_decl): Use
6070         targetm.calls.allocate_stack_slots_for_args.
6071         * target-def.h (TARGET_CALLS): Add 
6072         TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
6073         * config/arm/arm.c (arm_allocate_stack_slots_for_args): 
6074         New function.
6075         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
6077 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
6079         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
6081 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
6083         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
6084         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
6085         is only rounded once.
6087 2008-05-23  Richard Guenther  <rguenther@suse.de>
6089         * tree-ssa-operands.c (mark_difference_for_renaming): Use
6090         bitmap_xor.
6092 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
6093             Jakub Jelinek  <jakub@redhat.com>
6095         PR target/36079
6096         * configure.ac: Handle --enable-cld.
6097         * configure: Regenerated.
6098         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
6099         * config/i386/i386.h (struct machine_function): Add needs_cld field.
6100         (ix86_current_function_needs_cld): New define.
6101         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
6102         (cld): New isns pattern.
6103         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
6104         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
6105         * config/i386/i386.opt (mcld): New option.
6106         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
6107         TARGET_CLD and ix86_current_function_needs_cld.
6108         (override_options): Use -mcld by default for 32-bit code if
6109         USE_IX86_CLD.
6111         * doc/install.texi (Options specification): Document --enable-cld.
6112         * doc/invoke.texi (Machine Dependent Options)
6113         [i386 and x86-64 Options]: Add -mcld option.
6114         (Intel 386 and AMD x86-64 Options): Document -mcld option.
6116 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
6117         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
6118         (return_in_memory_64): Likewise.
6119         (return_in_memory_ms_64): Likewise.
6121 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6123         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
6124         * builtins.c (fold_builtin_fpclassify): New.
6125         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
6126         * builtins.def (BUILT_IN_FPCLASSIFY): New.
6127         * c-common.c (handle_type_generic_attribute): Adjust to accept
6128         fixed arguments before an elipsis.
6129         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
6130         * doc/extend.texi: Document __builtin_fpclassify.
6132 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
6134         * omp-low.c (gate_expand_omp_ssa): Remove.
6135         (pass_expand_omp_ssa): Remove.
6136         (gate_expand_omp): Do not check for flag_openmp_ssa.
6137         * common.opt (-fopenmp-ssa): Remove.
6138         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
6140 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
6142         * config/sh/sh.opt (mfixed-range): New option.
6143         * config/sh/sh-protos.h (sh_fix_range): Declare.
6144         * config/sh/sh.c (sh_fix_range): New function.
6145         * config/sh/sh.h (sh_fixed_range_str): Declare.
6146         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
6147         is not empty.
6148         * doc/invoke.texi (SH Options): Document -mfixed-range.
6150 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
6152         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
6153         it before the redeclaration.
6155 2008-05-22  Anatoly Sokolov <aesok@post.ru>
6157         * config/avr/avr.c (get_sequence_length): Add new function.
6158         (expand_prologue, expand_epilogue): Remove duplicate code.
6160 2008-05-22  Rafael Espindola  <espindola@google.com>
6162         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
6163         sharing.
6165 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
6167         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
6168         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
6170         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
6171         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
6172         (vect_update_misalignment_for_peel): Likewise.
6173         (vector_alignment_reachable_p): Likewise.
6174         * tree-vect-transform.c (vectorizable_load): Likewise.
6175         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
6176         (get_vectype_for_scalar_type): Pass mode of scalar_type
6177         to UNITS_PER_SIMD_WORD.
6179         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
6180         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
6181         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
6182         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
6183         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
6185 2008-05-22  Ira Rosen  <irar@il.ibm.com>
6187         PR tree-optimization/36293
6188         * tree-vect-transform.c (vect_transform_strided_load): Don't check
6189         if the first load must be skipped because of a gap.
6191 2008-05-22  Richard Guenther  <rguenther@suse.de>
6193         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
6194         more cases of offset disambiguation that is possible if
6195         strict-aliasing rules apply.
6196         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
6197         for basic offset and type-based disambiguation.
6199 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
6201         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
6202         ix86_expand_vector_set on V16QImode for SSE4.1.
6204 2008-05-21  Tom Tromey  <tromey@redhat.com>
6206         * c.opt (Wimport): Mark as undocumented.
6207         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
6208         -Wno-import.
6209         (Warning Options): Likewise.
6210         * doc/cppopts.texi: Don't mention -Wimport.
6212 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
6214         PR tree-optimization/36287
6215         PR tree-optimization/36286
6216         * lambda-code.c (build_access_matrix): Do not use the loop->num
6217         for computing the number of induction variables: use the loop depth
6218         instead.
6220 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
6222         PR/36280
6223         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
6224         option -f(no-)leading-underscore.
6226 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
6228         * config/i386/i386.c (ix86_expand_vector_init_general): Use
6229         GET_MODE_NUNITS (mode).
6231 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
6233         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
6234         (-mmulhw): Add 464 to description.
6235         (-mdlmzb): Likewise.
6236         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
6237         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
6238         464fp entries.
6239         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
6240         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
6241         * config/rs6000/rs6000.md: Update comments for 464.
6243 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
6245         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
6247 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
6249         * config/i386/sse.md (vec_extractv4sf): Removed.
6250         (vec_extractv2df): Likewise.
6251         (vec_extractv2di): Likewise.
6252         (vec_extractv4si): Likewise.
6253         (vec_extractv8hi): Likewise.
6254         (vec_extractv16qi): Likewise.
6255         (vec_extract<mode>): New.
6257 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
6259         * config/i386/sse.md (vec_setv4sf): Removed.
6260         (vec_setv2df): Likewise.
6261         (vec_setv2di): Likewise.
6262         (vec_setv4si): Likewise.
6263         (vec_setv8hi): Likewise.
6264         (vec_setv16qi): Likewise.
6265         (vec_set<mode>): New.
6267 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
6269         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
6270         goto for vec_concat and vec_interleave.
6272 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
6274         * config/i386/sse.md (vec_initv4sf): Removed.
6275         (vec_initv2df): Likewise.
6276         (vec_initv2di): Likewise.
6277         (vec_initv4si): Likewise.
6278         (vec_initv8hi): Likewise.
6279         (vec_initv16qi): Likewise.
6280         (vec_init<mode>): New.
6282 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
6284         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
6286 2008-05-21  Tom Tromey  <tromey@redhat.com>
6288         * ggc-zone.c (lookup_page_table_if_allocated): New function.
6289         (zone_find_object_offset): Likewise.
6290         (gt_ggc_m_S): Likewise.
6291         (highest_bit): Likewise.
6292         * ggc-page.c (gt_ggc_m_S): New function.
6293         * stringpool.c (string_stack): Remove.
6294         (init_stringpool): Update.
6295         (ggc_alloc_string): Use ggc_alloc.
6296         (maybe_delete_ident): New function.
6297         (ggc_purge_stringpool): Likewise.
6298         (gt_ggc_m_S): Remove.
6299         * ggc-common.c (ggc_protect_identifiers): New global.
6300         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
6301         ggc_protect_identifiers.
6302         * ggc.h (ggc_protect_identifiers): Declare.
6303         (gt_ggc_m_S): Update.
6304         (ggc_purge_stringpool): Declare.
6305         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
6306         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
6307         special case.
6308         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
6310 2008-05-21  David S. Miller  <davem@davemloft.net>
6312         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
6313         tmake_file.
6315 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
6317         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
6318         once finished.
6320 2008-05-20  David Daney  <ddaney@avtrex.com>
6322         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
6323         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
6324         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
6325         UNSPEC_UPDATE_GOT_VERSION): Renumber.
6326         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
6327         (atomic_hiqi_op): New define_code_iterator.
6328         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
6329         mips_expand_compare_and_swap_12.
6330         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
6331         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
6332         (sync_<optab><mode>, sync_old_<optab><mode>,
6333         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
6334         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
6335         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
6336         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
6337         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
6338         (test_and_set_12): New insn.
6339         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
6340         sync_new_<optab><mode>, sync_old_nand<mode>,
6341         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
6342         clobber to operand 0 for SI and DI mode insns.
6343         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
6344         mips_gen_fn_4): New typedefs.
6345         (mips_gen_fn_ptrs): Define new union type.
6346         (mips_expand_compare_and_swap_12): Remove declaration.
6347         (mips_expand_atomic_qihi): Declare function.
6348         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
6349         (mips_expand_atomic_qihi): ... this.  Use new generator function
6350         parameter.
6351         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
6352         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
6353         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP,
6354         MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
6355         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
6356         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
6357         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
6358         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
6359         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
6360         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
6361         MIPS_SYNC_EXCHANGE_12_ZERO_OP,
6362         MIPS_SYNC_EXCHANGE_12_NONZERO_OP): New macros.
6364 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
6366         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
6367         the missing break.
6369 2008-05-20  Anatoly Sokolov <aesok@post.ru>
6371         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
6372         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
6373         (avr_attribute_table): Add 'OS_main' function attribute.
6374         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
6375         functions with 'OS_main' attribute.
6377 2008-05-20  Richard Guenther  <rguenther@suse.de>
6379         PR tree-optimization/35204
6380         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
6381         helper, split out from ...
6382         (DFS): ... here.  Make the DFS walk non-recursive.
6384 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
6385             Jan Sjodin  <jan.sjodin@amd.com>
6387         PR tree-optimization/36181
6388         * tree-parloops.c (loop_has_vector_phi_nodes): New.
6389         (parallelize_loops): Don't parallelize when the loop has vector
6390         phi nodes.
6392 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
6393             Sebastian Pop  <sebastian.pop@amd.com>
6395         * tree-loop-linear.c (gather_interchange_stats): Look in the access
6396         matrix, and never look at the tree representation of the memory
6397         accesses.
6398         (linear_transform_loops): Computes parameters and access matrices.
6399         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
6400         when fails.
6401         (access_matrix_get_index_for_parameter): New.
6402         * tree-data-ref.h (struct access_matrix): New.
6403         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
6404         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
6405         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
6406         am_vector_index_for_loop): New.
6407         (struct data_reference): Add field access_matrix.
6408         (DR_ACCESS_MATRIX): New.
6409         (compute_data_dependences_for_loop): Update declaration.
6410         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
6411         * lambda.h (lambda_vector_vec_p): Declared.
6412         * lambda-code.c: Depend on pointer-set.h.
6413         (lambda_collect_parameters_from_af, lambda_collect_parameters,
6414         av_for_af_base, av_for_af, build_access_matrix,
6415         lambda_compute_access_matrices): New.
6416         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
6418 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
6420         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
6421         $SOURCEDIR/include.
6423 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
6424             Sebastian Pop  <sebastian.pop@amd.com>
6426         PR tree-optimization/36206
6427         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
6428         FOLD_CONVERSIONS.
6429         (instantiate_scev_1): Rename flags to fold_conversions.
6430         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
6431         outeside instantiation_loop.
6432         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
6433         (evolution_function_is_affine_or_constant_p): Removed.
6434         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
6435         instantiate_scev.
6436         (analyze_siv_subscript): Pass in the loop nest number.
6437         Call evolution_function_is_affine_in_loop instead of 
6438         evolution_function_is_affine_p.
6439         (analyze_overlapping_iterations): Pass in the loop nest number.
6441 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
6442             Sebastian Pop  <sebastian.pop@amd.com>
6444         PR tree-optimization/36206
6445         * tree-chrec.h (chrec_fold_op): New.
6446         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
6447         and other trees.
6449 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
6451         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
6452         (DIRS_EQ): New.
6453         (remove_duplicates): Do not set inode on non-inode systems.
6454         Use DIRS_EQ.
6456 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
6458         * config.gcc (tm_file): Update comments about relative pathnames.
6460 2008-05-20  Richard Guenther  <rguenther@suse.de>
6462         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
6463         * tree-ssa-sccvn.c (process_scc): Likewise.
6464         * tree-ssa-sink.c (execute_sink_code): Likewise.
6465         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
6466         * tree-vrp.c (process_assert_insertions): Likewise.
6467         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
6468         (perform_tree_ssa_dce): Likewise.
6469         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
6470         (dump_dominator_optimization_stats): Likewise.
6471         * tree-vectorizer.c (vectorize_loops): Likewise.
6473 2008-05-20  Richard Guenther  <rguenther@suse.de>
6475         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
6477 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
6479         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
6480         (ix86_i386elf_return_in_memory): Likewise.
6481         (ix86_i386interix_return_in_memory): Likewise.
6482         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
6483         (SUBTARGET_RETURN_IN_MEMORY): New.
6484         * config/i386/i386elf.h: Likewise.
6485         * config/i386/ptx4-i.h: Likewise.
6486         * config/i386/sol2-10.h: Likewise.
6487         * config/i386/sysv4.h: Likewise.
6488         * config/i386/vx-common.h: Likewise.
6489         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
6490         * config/i386/i386.c (ix86_return_in_memory): Made static and
6491         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
6492         (ix86_i386elf_return_in_memory): Removed.
6493         (ix86_i386interix_return_in_memory): Removed.
6494         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
6495         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
6497 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
6499         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
6501 2008-05-19  Xinliang David Li  <davidxl@google.com>
6503         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18. 
6504         * opts.c: Ditto.
6505         * common.opt: Ditto.
6506         * doc/invoke.texi: Ditto.
6508 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
6510         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
6511         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
6513 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
6515         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
6516         sizes of operand array from 8/4 to 4/2.
6517         (ix86_expand_vector_init_general): Change size of operand array
6518         from 32 to 16.  Remove op0, op1 and half_mode.
6520 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
6522         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
6523         (ix86_expand_vector_init_interleave): Likewise.
6524         (ix86_expand_vector_init_general): Use them.  Assert word_mode
6525         == SImode when n_words == 4.
6527 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
6529         * config/i386/i386.c (ix86_secondary_reload): New static function.
6530         (TARGET_SECONDARY_RELOAD): New define.
6531         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
6532         * config/i386/i386.md (reload_outqi): Remove.
6534 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6536         PR middle-end/35509
6537         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
6538         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
6539         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
6540         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
6541         (fold_builtin_1): Likewise.
6542         * builtins.def (BUILT_IN_ISINF_SIGN): New.
6543         c-common.c (check_builtin_function_arguments): Handle
6544         BUILT_IN_ISINF_SIGN.
6545         * doc/extend.texi: Document __builtin_isinf_sign.
6546         * fold-const.c (operand_equal_p): Handle COND_EXPR.
6548 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
6550         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
6551         EH cleanup at the end of the pass, search for those that have been
6552         turned into forwarder blocks and do the cleanup on their successor.
6554 2008-05-18  Richard Guenther  <rguenther@suse.de>
6556         * tree-cfg.c (verify_gimple_expr): Allow conversions from
6557         pointers to sizetype and vice versa.
6559 2008-05-18 Xinliang David Li   <davidxl@google.com>
6561         * gcc/tree-ssa-dce.c: Coding style fix.
6562         (check_pow): Documentation comment. 
6563         (check_log): Documenation comment. Coding style fix.
6564         (is_unnecessary_except_errno_call): Ditto.
6565         (gen_conditions_for_pow): Ditto.
6566         (gen_conditions_for_log): Ditto.
6567         (gen_shrink_wrap_conditions): Ditto.
6568         (shrink_wrap_one_built_in_calls): Ditto.
6569         * gcc/doc/invoke.texi: Better documentation string.
6570         * ChangeLog: Fix wrong change log entries from 
6571         May 17 checkin on function call DCE.
6573 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
6575         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
6577 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
6579         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
6580         * df-problems.c (simulation routines): Fixed block comment to
6581         properly say how to add forwards scanning functions.
6582         
6583 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
6585         * tree-inline.c (setup_one_parameter): Remove dead code.
6587 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
6589         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
6590         a BIT_AND_EXPR only for an INTEGER_TYPE.
6592 2008-05-17 Xinliang David Li   <davidxl@google.com>
6594         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
6595         (check_pow, check_log, is_unnecessary_except_errno_call): New 
6596         functions to check for eliminating math functions that are pure 
6597         except for setting errno.
6598         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
6599         general condition expressions for shrink-wrapping pow/log calls.
6600         (gen_shrink_wrap_conditions): Ditto.
6601         (shrink_wrap_one_built_in_call): Ditto.
6602         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
6603         (mark_operand_necessary): If debugging, output if OP is necessary.
6604         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
6605         unnecessary.
6606         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
6607         opt level >= 2.
6608         * gcc/common.opt: New user flag -ftree-builtin-dce.
6609         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
6611 2008-05-16  David S. Miller  <davem@davemloft.net>
6613         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
6614         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
6616 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
6618         PR target/36246
6619         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
6621 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
6623         * ifcvt.c (dead_or_predicable): Rename
6624         df_simulate_one_insn_backwards to df_simulate_one_insn.
6625         * recog.c (peephole2_optimize): Ditto.
6626         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
6627         Ditto.
6628         * df.h: Rename df_simulate_one_insn_backwards to
6629         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
6630         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
6631         scanning of defs and uses.
6632         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
6633         (df_simulate_one_insn_forwards): Removed.
6635 2008-05-16  Doug Kwan  <dougkwan@google.com>
6637         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
6638         QNaN & SNaN.
6639         (real_from_string): Handle NaNs and Inf as approriate.
6641 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
6643         * doc/gty.texi (Source Files Containing Type Information): Note
6644         that headers should appear first in the gtfiles list.
6646 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
6648         * tree.def (COND_EXEC): Properly documented this code.
6650 2008-05-16  Diego Novillo  <dnovillo@google.com>
6652         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
6653         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
6654         the new field.
6656 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
6658         * tree-ssa-dse (max_stmt_uid): Removed.
6659         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
6660         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
6661         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
6662         * function.h (cfun.last_stmt_uid): New field.
6663         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
6664         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
6665         New functions.
6666         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
6667         (create_stmt_ann): Initialize the ann->uid field.
6668         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
6669         with new calls.
6670         * tree-flow.h (renumber_gimple_stmt_uids): New function.
6672 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
6674         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
6675         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
6676         (init_empty_tree_cfg): Call it.
6678 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
6680         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
6681         Update all users.
6683 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
6685         * doc/invoke.text (-fdump-tree-*-verbose): New option.
6686         * tree-dump.c (dump_options): New verbose option.
6687         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
6688         Add verbose dump.
6689         * tree-pass.h (TDF_VERBOSE): New dump flag.
6690         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
6691         (tree-flow.h): Added include.
6692         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
6694 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
6696         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
6698         From Jie Zhang  <jie.zhang@analog.com>
6699         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
6700         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
6701         mcpu=bf561-none and mcpu=bf561-0.2.
6702         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
6703         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
6704         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
6705         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
6706         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
6707         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
6708         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
6709         option.
6710         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
6711         (cputype_selected): Remove.
6712         (bfin_handle_option): Don't use cputype_selected.
6713         (override_options): When no mcpu option, enable all workarounds.
6714         Don't use bfin_workarounds.
6715         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
6716         processor type.
6717         (DEFAULT_CPU_TYPE): Don't define.
6719 2008-05-16  Richard Guenther  <rguenther@suse.de>
6721         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
6722         on deletion of the last stmt.
6724 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
6726         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
6727         V8HImode for SSE2 and V16QImode for SSE4.1.
6729 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
6731         * cgraph.h (compute_inline_parameters): Made public.
6732         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
6733         variable_generate_summary, function_write_summary,
6734         variable_write_summary, variable_read_summary.  Added generate_summary,
6735         write_summary, read_summary.
6736         * cgraphunit.c (cgraph_process_new_functions): Changed call from
6737         pass_ipa_inline.function_generate_summary, to
6738         compute_inline_parameters. 
6739         * ipa-inline.c (compute_inline_parameters): Made public and added
6740         node parameter.
6741         (compute_inline_parameters_for_current): New function.
6742         (pass_inline_param): Now calls compute_inline_parameters_for_current.
6743         (inline_generate_summary): Removed parameter and made to loop over
6744         all cgraph nodes.
6745         (pass_ipa_inline): Updated for new IPA_PASS structure.
6746         * passes.c (execute_ipa_summary_passes): Now is called once per
6747         pass rather than once per node*pass.
6748         
6749 2008-05-15  Anatoly Sokolov <aesok@post.ru>
6751         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
6752         avr_have_mul_p, avr_asm_only_p): Remove variables.
6753         (avr_override_options): Remove initialization of removed variables.
6754         (avr_file_start):  Convert removed variables to fields of 
6755         'struct base_arch_s *avr_current_arch'. 
6756         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
6757         (AVR_HAVE_MUL): (Ditto.).
6758         (AVR_HAVE_MOVW): (Ditto.).
6759         (AVR_HAVE_LPMX): (Ditto.). 
6760         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
6761         avr_asm_only_p): Remove declaration.
6763 2008-05-15  Diego Novillo  <dnovillo@google.com>
6765         * config/arm/arm.c (arm_return_in_memory): Fix return type.
6766         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
6768 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
6770         PR middle-end/36194
6771         * combine.c (check_conversion): Rename back to check_promoted_subreg.
6772         Don't call record_truncated_value from here.
6773         (record_truncated_value): Turn it into a for_each_rtx callback.
6774         (record_truncated_values): New function.
6775         (combine_instructions): Call note_uses with record_truncated_values.
6776         Change name of check_conversion to check_promoted_subreg. 
6778 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
6780         * doc/sourcebuild.texi: Document support for torture tests.
6782 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
6784         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
6785         to alternative 4 of operand 2.
6787 2008-05-15  Richard Guenther  <rguenther@suse.de>
6789         * tree-pass.h (current_pass): Declare.
6790         (get_pass_for_id): Likewise.
6791         * passes.c (passes_by_id, passes_by_id_size): New globals.
6792         (set_pass_for_id): New function.
6793         (get_pass_for_id): Likewise.
6794         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
6795         (execute_function_todo): Flush per function statistics.
6796         * toplev.c (compile_file): Init statistics.
6797         (general_init): Do early statistics initialization.
6798         (finalize): Finish statistics.
6799         * statistics.h (statistics_early_init): Declare.
6800         (statistics_init): Likewise.
6801         (statistics_fini): Likewise.
6802         (statistics_fini_pass): Likewise.
6803         (statistics_counter_event): Likewise.
6804         (statistics_histogram_event): Likewise.
6805         * statistics.c: New file.
6806         * Makefile.in (OBJS-common): Add statistics.o.
6807         (statistics.o): Add dependencies.
6808         * doc/invoke.texi (-fdump-statistics): Document.
6810         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
6811         (insert): Likewise.
6812         (execute_pre): Use statistics_counter_event.
6813         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
6814         (substitute_and_fold): Increment it.  Use statistics_counter_event.
6816 2008-05-15  Diego Novillo  <dnovillo@google.com>
6818         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
6820         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
6821         * tree-ssa-alias.c (new_type_alias): Remove references to
6822         sub-variables from comment.
6823         * tree-ssa-operands.c (swap_tree_operands): Likewise.
6825 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
6827         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
6828         attribute to 1 only for insertps alternative.
6830 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
6832         * config/bfin/bfin.md (loadbytes): New pattern.
6833         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
6834         (bfin_init_builtins): Initialize it.
6835         (bdesc_1arg): Add it.
6837 2008-05-15  Sa Liu  <saliu@de.ibm.com>
6839         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
6840         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
6841         * testsuite/lib/target-supports.exp: Add
6842         check_effective_target_fortran_integer_16.
6844 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
6846         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
6847         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
6848         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
6849         (TARGET_RETURN_IN_MEMORY): Define.
6851 2008-05-15  Richard Guenther  <rguenther@suse.de>
6853         PR middle-end/36244
6854         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
6855         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
6856         represent unmodifiable vars.
6858 2008-05-15  Richard Guenther  <rguenther@suse.de>
6860         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
6861         INDIRECT_REF and TARGET_MEM_REF.
6862         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
6863         TARGET_MEM_REF.
6865 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
6866             H.J. Lu  <hongjiu.lu@intel.com>
6868         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
6869         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
6870         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
6871         insn alternatives.  Add missing alternatives.
6872         (*vec_concatv2di_rex64_sse4_1): Likewise.
6873         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
6874         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
6875         Require TARGET_SSE.
6877 2008-05-15  Richard Guenther  <rguenther@suse.de>
6879         PR tree-optimization/36009
6880         PR tree-optimization/36204
6881         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
6882         (determine_invariantness_stmt): Record the loop a store is
6883         always executed in.
6884         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
6885         dependency.
6887 2008-05-15  Richard Guenther  <rguenther@suse.de>
6889         PR tree-optimization/34330
6890         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
6891         through the pointer will alias the SMT.
6893 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
6895         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
6897 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
6899         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
6901 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
6902             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6904         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
6905         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
6906         (vashl_optab): New optab for vector/vector shifts.
6907         (vashr_optab): Ditto.
6908         (vlshr_optab): Ditto.
6909         (vrotl_optab): Ditto.
6910         (vrotr_optab): Ditto.
6911         (optab_subtype): New enum for optab_for_tree_code call.
6912         (optab_for_tree_code): Add enum optab_subtype argument.
6914         * optabs.c (optab_for_tree_code): Take an additional argument to
6915         distinguish between a vector shift by a scalar and vector shift by
6916         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
6917         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
6918         vector shift by a vector.
6919         (expand_widen_pattern_expr): Pass additional argument to
6920         optab_for_tree_code.
6922         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
6923         vrotl_optab, vrotr_optab.
6925         * expr.c (expand_expr_real_1): Update calls to
6926         optab_for_tree_code to distinguish between vector shifted by a
6927         scalar and vector shifted by a vector.
6928         * tree-vectorizer.c (supportable_widening_operation): Ditto.
6929         (supportable_narrowing_operation): Ditto.
6930         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
6931         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
6932         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
6933         (vect_create_epilog_for_reduction): Ditto.
6934         (vectorizable_reduction): Ditto.
6935         (vectorizable_operation): Ditto.
6936         (vect_strided_store_supported): Ditto.
6937         (vect_strided_load_supported): Ditto.
6938         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
6939         * expmed.c (expand_shift): Ditto.
6941         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
6942         scalar type.
6943         (ashr@var{m}3): Ditto.
6944         (vashl@var{m}3): Document new vector/vector shift standard name.
6945         (vashr@var{m}3): Ditto.
6946         (vlshr@var{m}3): Ditto.
6947         (vrotl@var{m}3): Ditto.
6948         (vrotr@var{m}3): Ditto.
6950         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
6951         (PPERM_INVERT): Ditto.
6952         (PPERM_REVERSE): Ditto.
6953         (PPERM_REV_INV): Ditto.
6954         (PPERM_ZERO): Ditto.
6955         (PPERM_ONES): Ditto.
6956         (PPERM_SIGN): Ditto.
6957         (PPERM_INV_SIGN): Ditto.
6958         (PPERM_SRC1): Ditto.
6959         (PPERM_SRC2): Ditto.
6961         * config/i386/sse.md (mulv2di3): Add SSE5 support.
6962         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
6963         allows a memory operand to be the value being added, and split it
6964         to improve vectorization.
6965         (sse5_pmacsdqh_mem): Ditto.
6966         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
6967         (sse5_mulv2div2di3_high): Ditto.
6968         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
6969         (vec_pack_trunc_v4si): Ditto.
6970         (vec_pack_trunc_v2di): Ditto.
6971         (sse5_pcmov_<mode>): Remove code that tried to use use
6972         andps/andnps instead of pcmov.
6973         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
6974         pmacsdqh instructions.
6975         (vec_widen_smult_lo_v4si): Ditto.
6977         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
6978         (PPERM_INVERT): Ditto.
6979         (PPERM_REVERSE): Ditto.
6980         (PPERM_REV_INV): Ditto.
6981         (PPERM_ZERO): Ditto.
6982         (PPERM_ONES): Ditto.
6983         (PPERM_SIGN): Ditto.
6984         (PPERM_INV_SIGN): Ditto.
6985         (PPERM_SRC1): Ditto.
6986         (PPERM_SRC2): Ditto.
6987         (ix86_expand_sse_movcc): Move the SSE5 test after the if
6988         true/false tests.
6989         (ix86_expand_int_vcond): If SSE5 generate all possible integer
6990         comparisons.
6991         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
6992         says ignore whether the last reference is a memory operand.
6994 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
6995             Paolo Bonzini <bonzini at gnu dot org>
6997         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
6998         shift patterns.
7000         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
7001         (vlshr<mode>3): Rename from vlshr<mode>3.
7002         (vashr<mode>3): Rename from vashr<mode>3.
7003         (mulv4sf3): Change the names of vector shift patterns.
7004         (mulv4si3): Ditto.
7005         (negv4sf2): Ditt.
7007         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
7008         shift insns.
7010         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
7011         (SI_SHLHI): Ditto.
7012         (SI_SHL): Ditto.
7013         (SI_SHLI): Ditto.
7014         (SI_ROTH): Ditto.
7015         (SI_ROTHI): Ditto.
7016         (SI_ROT): Ditto.
7017         (SI_ROTI): Ditto.
7018         (SPU_RL_0): Ditto.
7019         (SPU_RL_1): Ditto.
7020         (SPU_RL_2): Ditto.
7021         (SPU_RL_3): Ditto.
7022         (SPU_RL_4): Ditto.
7023         (SPU_RL_5): Ditto.
7024         (SPU_RL_6): Ditto.
7025         (SPU_RL_7): Ditto.
7026         (SPU_SL_0): Ditto.
7027         (SPU_SL_1): Ditto.
7028         (SPU_SL_2): Ditto.
7029         (SPU_SL_3): Ditto.
7030         (SPU_SL_4): Ditto.
7031         (SPU_SL_5): Ditto.
7032         (SPU_SL_6): Ditto.
7033         (SPU_SL_7): Ditto.
7035         * config/spu/spu.md (v): New iterator macro to add v for vector types.
7036         (floatunssidf2_internal): Change vector/vector shift names.
7037         (floatunsdidf2_internal): Ditto.
7038         (mulv8hi3): Ditto.
7039         (ashrdi3): Ditto.
7040         (ashrti3): Ditto.
7041         (cgt_df): Ditto.
7042         (cgt_v2df): Ditto.
7043         (dftsv): Ditto.
7044         (vashl<mode>3): Rename from ashl<mode>3.
7045         (vashr<mode>3): Rename from ashr<mode>3.
7046         (vlshr<mode>3): Rename from lshr<mode>3.
7047         (vrotl<mode>3): Rename from rotl<mode>3.
7049 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
7051         PR target/36224
7052         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
7053         multiply gives the wrong value when doing widening multiplies.
7054         (vec_widen_smult_lo_v4si): Ditto.
7056 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
7058         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
7059         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
7060         emit_library_call_value. 
7061         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
7062         * tree.h (ECF_LIBCALL_BLOCK): Removed.
7063         * calls.c (initialize_argument_information, precompute_arguments, 
7064         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
7065         (precompute_arguments): Removed flags parameter.
7066         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
7067         
7068 2008-05-14  Richard Guenther  <rguenther@suse.de>
7070         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
7071         Make sure to register the store if the use is a PHI_NODE.
7073 2008-05-14  Olivier Hainque  <hainque@adacore.com>
7075         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
7076         memory if the component is to be referenced in BLKmode according
7077         to get_inner_reference.
7079 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
7081         * calls.c (emit_library_call_value_1): Restore code clearing
7082         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
7084 2008-05-14  Olivier Hainque  <hainque@adacore.com>
7085             Nicolas Roche  <roche@adacore.com>
7087         * configure.ac: Add support for a "gcc_subdir" variable in
7088         config-lang.in, to denote a subdirectory where the language/GCC
7089         integration files are to be found.
7090         * configure: Regenerate.
7092 2008-05-14  Ira Rosen  <irar@il.ibm.com>
7094         PR tree-optimization/36098
7095         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
7096         value for the first load in the group in case of a gap.
7097         (vect_build_slp_tree): Check that there are no gaps in loads.
7099 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
7101         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
7102         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
7103         expand_copysign_bit, ): Change call to emit_no_conflict_block to
7104         emit_insn and remove unneeded code to construct extra args.
7105         (emit_no_conflict_block): Removed.
7106         * optabls.h: (emit_no_conflict_block): Removed.
7107         * cse.c (cse_extended_basic_block): Remove search for
7108         REG_NO_CONFLICT note.
7109         * global.c: Removed incorrect comment added in revision 117.
7110         * expr.c (convert_move): Change call to emit_no_conflict_block to
7111         emit_insn.
7112         * recog.c: Change comments so that they do not mention
7113         REG_NO_CONFLICT.
7114         * local_alloc.c (combine_regs): Removed last parameter.
7115         (no_conflict_p): Removed.
7116         (block_alloc): Removed note, no_conflict_combined_regno and set
7117         local vars. Removed all code to process REG_NO_CONFLICT blocks.
7118         (combine_regs): Removed already_dead and code to look for
7119         REG_NO_CONFLICT notes.
7120         * lower_subreg (remove_retval_note): Removed code to look for
7121         REG_NO_CONFLICT block.
7122         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
7123         (resolve_clobber): Remove code to process libcalls that have
7124         REG_NO_CONFLICT notes.
7125         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
7126         case.
7127         * combine.c (can_combine_p, distribute_notes):  Removed
7128         REG_NO_CONFLICT case.
7129         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
7130         to emit_insns.
7131         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
7132         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
7133         Ditto.
7134         * reg-notes.def (NO_CONFLICT): Removed.
7136 2008-05-14  David S. Miller  <davem@davemloft.net>
7138         * config/sparc/sparc.c (sparc_profile_hook): If
7139         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
7140         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
7141         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
7143 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
7145         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
7147 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
7149         PR target/36222
7150         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
7151         and op1 expansion before vector concat to have less live pseudos.
7153 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
7155         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
7156         ix86_expand_vector_set if supported.
7158 2008-05-13  Diego Novillo  <dnovillo@google.com>
7159             Kenneth Zadeck  <zadeck@naturalbridge.com>
7161         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
7163         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
7164         phinodes_print_statistics, init_ssanames, fini_ssanames,
7165         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
7166         release_ssa_name, release_defs, replace_ssa_name_symbol,
7167         ssanames_print_statistics): Move ...
7168         * tree-flow.h: ... here.
7169         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
7170         Use FN instead of cfun.
7171         (make_ssa_name_fn): Rename from make_ssa_name.
7172         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
7173         * tree-flow-inline.h (make_ssa_name): Move from
7174         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
7175         * omp-low.c (expand_omp_parallel):
7176         * tree-flow-inline.h (redirect_edge_var_map_result):
7177         * tree-ssa.c (init_tree_ssa): Add argument FN.
7178         Use it instead of cfun.  Update all users.
7180 2008-05-13  Tom Tromey  <tromey@redhat.com>
7182         PR preprocessor/22168:
7183         * doc/cpp.texi (Top): Update menu.
7184         (Alternatives to Wrapper #ifndef): New node.
7185         (Other Directives): Document deprecation.
7186         (Obsolete Features): Remove menu.
7187         (Assertions): Merge node into Obsolete Features.
7188         (Obsolete once-only headers): Move earlier; rename to Alternatives
7189         to Wrapper #ifndef.
7190         * doc/cppopts.texi: Update.
7191         * c.opt (Wdeprecated): Enable for C and ObjC.
7192         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
7193         (C++ Dialect Options): Move -Wno-deprecated from here to...
7194         (Warning Options): ... here.
7196 2008-05-13  Richard Guenther  <rguenther@suse.de>
7198         PR middle-end/36227
7199         * fold-const.c (fold_sign_changed_comparison): Do not allow
7200         changes in pointer-ness.
7202 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7204         PR target/24713
7205         * config/sh/sh.c (sh_expand_prologue): Don't clear
7206         RTX_FRAME_RELATED_P for push insns.
7208 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
7210         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
7212 2008-05-12  Anatoly Sokolov <aesok@post.ru>
7214         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
7215         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
7216         Use 'machine->is_leaf' instead of 'leaf_func_p'.
7218 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
7220         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
7221         (*vec_concatv4sf_sse): This.
7222         (*sse2_concatv2si): Renamed to ...
7223         (*vec_concatv2si_sse2): This.
7224         (*sse1_concatv2si): Renamed to ...
7225         (*vec_concatv2si_sse): This.
7226         (*vec_concatv2di_rex): Renamed to ...
7227         (*vec_concatv2di_rex64): This.
7228         (*vec_concatv2si_sse4_1): New.
7229         (*vec_concatv2di_rex64_sse4_1): Likewise.
7231 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
7233         PR rtl-optimization/36111
7234         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
7235         that was created for swappable operands.
7237 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
7239         PR ada/36001
7240         * Makefile.in: Substitute GNATMAKE and GNATBIND.
7241         * configure.ac: Add call to ACX_PROG_GNAT.
7243 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
7245         * optc-gen.awk: Fix comment typo.
7247 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
7249         * pretty-print.c (pp_integer_with_precision): Use
7250         HOST_LONG_LONG_FORMAT.
7252 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
7254         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
7255                 
7256 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
7258         * config/i386/i386.c (bdesc_ptest): Removed.
7259         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
7260         (bdesc_args): Add __builtin_ia32_ptestz128,
7261         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
7262         (ix86_init_mmx_sse_builtins): Updated.
7263         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
7264         (ix86_expand_builtin): Updated.
7266 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
7268         * tree-cfg.c (valid_fixed_convert_types_p): New function.
7269         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
7271 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
7273         * value-prof.c (interesting_stringop_to_profile): Do not
7274         return early for BUILT_IN_MEMPCPY.
7276 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
7278         * calls.c (expand_call): Don't use callgraph to increase
7279         preferred_stack_boundary.
7281         * cgraph.h (cgraph_rtl_info): Use unsigned on
7282         preferred_incoming_stack_boundary.
7284         * final.c (rest_of_clean_state): Use unsigned on
7285         preferred_stack_boundary.
7287 2008-05-09  Tom Tromey  <tromey@redhat.com>
7289         PR preprocessor/22231:
7290         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
7291         proceeding.
7293 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
7295         PR tree-optimization/36129
7296         * tree-ssa-ccp.c: Include value-prof.h.
7297         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
7298         built-in function was folded to a constant.
7299         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
7301 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
7302             Sebastian Pop  <sebastian.pop@amd.com>
7304         * tree-scalar-evolution.c: Document instantiate_scev.
7305         (instantiate_parameters_1): Renamed instantiate_scev_1.
7306         Don't use the same loop for instantiation_loop and evolution_loop.
7307         (instantiate_scev): New.
7308         (instantiate_parameters): Moved...
7309         (resolve_mixers): Update call to instantiate_scev_1 to pass the
7310         same loop twice.  Maintains the semantics for this function.
7311         * tree-scalar-evolution.h (instantiate_scev): Declare.
7312         (instantiate_parameters): ...here.  Now static inline.
7313         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
7314         instead of resolve_mixers.
7316 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
7318         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
7320 2008-05-09  Tomas Bily  <tbily@suse.cz>
7322         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
7323         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
7324         * tree-ssa-structalias.c (get_constraint_for): Likewise.
7325         * c-common.c (c_common_truthvalue_conversion): Likewise.
7326         * tree-object-size.c (compute_object_offset): Likewise.
7327         * tree-inline.c (estimate_num_insns_1): Likewise.
7328         * varasm.c (const_hash_1, compare_constant, copy_constant)
7329         (compute_reloc_for_constant, output_addressed_constants)
7330         (initializer_constant_valid_p): Likewise.
7331         * c-omp.c (check_omp_for_incr_expr): Likewise.
7332         * gimplify.c (gimplify_expr): Likewise.
7333         * c-typeck.c (c_finish_return): Likewise.
7334         * tree-vectorizer.c (supportable_widening_operation)
7335         (supportable_narrowing_operation): Likewise.
7336         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
7337         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
7338         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
7339         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
7340         (descr_info_loc): Likewise.
7341         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
7342         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
7343         (fold_unary): Likewise.
7344         * builtins.c (get_pointer_alignment): Likewise.
7345         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
7346         (instantiate_parameters_1): Likewise.
7347         * tree.c (expr_align, stabilize_reference): Likewise.
7348         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
7349         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
7350         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
7351         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
7352         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
7353         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
7354         Likewise.
7355         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
7356         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
7357         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
7358         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
7359         (forward_propagate_comparison)
7360         (tree_ssa_forward_propagate_single_use_vars): Likewise.
7361         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
7362         * emit-rtl.c (component_ref_for_mem_expr)
7363         (set_mem_attributes_minus_bitpos): Likewise.
7364         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
7365         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
7366         Likewise.
7367         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
7368         (build_function_call, pointer_diff, build_compound_expr)
7369         (c_finish_return): Likewise.
7370         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
7371         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
7372         Likewise.
7373         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
7374         * expr.c (is_aligning_offset): Likewise.
7375         * tree-ssa-alias.c (is_escape_site): Likewise.
7376         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
7377         (check_all_va_list_escapes): Likewise.
7378         * tree-ssa-loop-ivopts.c (determine_base_object)
7379         (determine_common_wider_type): Likewise.
7380         * dojump.c (do_jump): Likewise.
7381         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
7382         * tree-gimple.c (is_gimple_cast): Likewise.
7383         * fold-const.c (decode_field_reference, )
7384         (fold_sign_changed_comparison, fold_unary, fold_comparison)
7385         (fold_binary): Likewise.
7386         * tree-ssa-alias-warnings.c (find_alias_site_helper)
7387         (already_warned_in_frontend_p): Likewise.
7388         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
7389         * tree.c (really_constant_p, get_unwidened): Likewise.
7390         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
7391         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
7392         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
7393         Likewise.
7394         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
7395         CONVERT_EXPR_P.
7396         (CONVERT_EXPR_P): Define.
7397         (CASE_CONVERT): Define.
7398         
7399 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
7401         PR middle-end/36117
7402         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
7403         (delete_unmarked_insns): When deleting a call, call
7404         delete_unreachable_blocks.
7405         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
7406         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
7408 2008-05-08  Richard Guenther  <rguenther@suse.de>
7410         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
7411         (-ftree-salias): Likewise.
7412         (salias-max-implicit-fields): Remove param documentation.
7413         (salias-max-array-elements): Likewise.
7414         * tree-pass.h (pass_create_structure_vars): Remove.
7415         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
7416         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
7417         * tree-ssa-alias.c (create_structure_vars): Remove.
7418         (gate_structure_vars): Likewise.
7419         (pass_create_structure_vars): Likewise.
7420         (gate_build_alias): Likewise.
7421         (pass_build_alias): Adjust to run always and dump the function.
7422         * common.opt (ftree-salias): Hide.
7423         * passes.c (init_optimization_passes): Remove
7424         pass_create_structure_vars, adjust comment.
7425         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
7426         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
7427         * opts.c (decode_options): Do not set flag_tree_salias.
7428         (common_handle_option): Add OPT_ftree_salias to the backward
7429         compatibility section.
7431 2008-05-08  Richard Guenther  <rguenther@suse.de>
7433         * tree-flow-inline.h (var_can_have_subvars): Move ...
7434         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
7435         * tree-flow.h (var_can_have_subvars): Remove.
7436         (push_fields_onto_fieldstack): Remove.
7437         (sort_fieldstack): Likewise.
7438         (struct fieldoff): Move ...
7439         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
7440         alias_set and base_for_components fields.
7441         (sort_fieldstack): Make static.
7442         (push_fields_onto_fieldstack): Likewise.  Remove code that
7443         handles anything but RECORD_TYPEs.  Remove alias_set and
7444         base_for_components handling.
7445         (create_variable_info_for): Adjust.
7447 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
7449         * common.opt (Wframe-larger-than=): Shorten the help message
7450         to one line.
7451         * doc/invoke.texi (Wframe-larger-than=): Add more description.
7453 2008-05-08  Rafael Espindola  <espindola@google.com>
7455         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
7456         trap.
7457         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
7458         trap and that both operands are gimple values.
7459         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
7460         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
7461         is a fp operation.
7463 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
7465         * read-rtl.c (join_c_conditions): Return the first string if the
7466         two strings are equal.
7468 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
7470         * gensupport.h (pred_data): Add a "num_codes" field.
7471         (add_predicate_code): Declare.
7472         * gensupport.c (add_predicate_code): New function.
7473         (std_pred_table): Add an "allows_const_p" field.
7474         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
7475         Remove the (incomplete) list of such codes from the codes field.
7476         (init_predicate_table): Use add_predicate_code.  Add all
7477         RTX_CONST_OBJs if allows_const_p is true.
7478         * genrecog.c (process_define_predicate): Use add_predicate_code.
7480 2008-05-08  David Daney  <ddaney@avtrex.com>
7481             Richard Sandiford  <rsandifo@nildram.co.uk>
7482         
7483         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
7484         special case of constant zero operands.
7485         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
7486         old and new values.  Special case constant zero values.
7487         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
7488         fails.
7489         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
7490         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
7492 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
7494         PR target/36090
7495         * simplify-rtx.c (simplify_plus_minus): Create CONST of
7496         similar RTX_CONST_OBJ before CONST_INT.
7498 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
7500         * stmt.c (expand_stack_restore): Change sa mode if needed.
7502 2008-05-08  Richard Guenther  <rguenther@suse.de>
7504         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
7505         return type to bool.
7506         (ix86_sol10_return_in_memory): Likewise.
7507         (ix86_i386elf_return_in_memory): Likewise.
7508         (ix86_i386interix_return_in_memory): Likewise.
7509         * config/i386/i386.c (ix86_return_in_memory): Likewise.
7510         (ix86_sol10_return_in_memory): Likewise.
7511         (ix86_i386elf_return_in_memory): Likewise.
7512         (ix86_i386interix_return_in_memory): Likewise.
7514 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
7516         PR bootstrap/36180
7517         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
7518         fndecl argument.
7519         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
7520         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
7521         declared in front.
7523 2008-05-08  Richard Guenther  <rguenther@suse.de>
7525         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
7526         * tree-data-ref.h (struct dr_alias): Remove subvars field.
7527         (DR_SUBVARS): Remove.
7528         * tree-dfa.c (dump_subvars_for): Remove.
7529         (debug_subvars_for): Likewise.
7530         (dump_variable): Do not dump subvars.
7531         (remove_referenced_var): Do not remove subvars.
7532         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
7533         (lookup_subvars_for_var): Remove.
7534         (get_subvars_for_var): Likewise.
7535         (get_subvars_at): Likewise.
7536         (get_first_overlapping_subvar): Likewise.
7537         (overlap_subvar): Likewise.
7538         * tree-flow.h (subvar_t): Remove.
7539         (struct var_ann_d): Remove subvars field.
7540         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
7541         argument.  Remove special handling of SFTs.
7542         (compute_tag_properties): Likewise.
7543         (set_initial_properties): Likewise.
7544         (compute_call_clobbered): Likewise.
7545         (count_mem_refs): Likewise.
7546         (compute_memory_partitions): Likewise.
7547         (compute_flow_insensitive_aliasing): Likewise.
7548         (setup_pointers_and_addressables): Likewise.
7549         (new_type_alias): Likewise.
7550         (struct used_part): Remove.
7551         (used_portions): Likewise.
7552         (struct used_part_map): Likewise.
7553         (used_part_map_eq): Likewise.
7554         (used_part_map_hash): Likewise.
7555         (free_used_part_map): Likewise.
7556         (up_lookup): Likewise.
7557         (up_insert): Likewise.
7558         (get_or_create_used_part_for): Likewise.
7559         (create_sft): Likewise.
7560         (create_overlap_variables_for): Likewise.
7561         (find_used_portions): Likewise.
7562         (create_structure_vars): Likewise.
7563         * tree.def (STRUCT_FIELD_TAG): Remove.
7564         * tree.h (MTAG_P): Adjust.
7565         (struct tree_memory_tag): Remove base_for_components and
7566         unpartitionable flags.
7567         (struct tree_struct_field_tag): Remove.
7568         (SFT_PARENT_VAR): Likewise.
7569         (SFT_OFFSET): Likewise.
7570         (SFT_SIZE): Likewise.
7571         (SFT_NONADDRESSABLE_P): Likewise.
7572         (SFT_ALIAS_SET): Likewise.
7573         (SFT_UNPARTITIONABLE_P): Likewise.
7574         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
7575         (union tree_node): Remove sft field.
7576         * alias.c (get_alias_set): Remove special handling of SFTs.
7577         * print-tree.c (print_node): Remove handling of SFTs.
7578         * tree-dump.c (dequeue_and_dump): Likewise.
7579         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
7580         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
7581         * tree-predcom.c (set_alias_info): Do not set subvars.
7582         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
7583         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
7584         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
7585         (add_vars_for_offset): Remove.
7586         (add_virtual_operand): Remove special handling of SFTs.
7587         (add_call_clobber_ops): Likewise.
7588         (add_call_read_ops): Likewise.
7589         (get_asm_expr_operands): Likewise.
7590         (get_modify_stmt_operands): Likewise.
7591         (get_expr_operands): Likewise.
7592         (add_to_addressable_set): Likewise.
7593         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
7594         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
7595         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
7596         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
7597         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
7598         (tree_node_structure): Likewise.
7599         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
7600         handling of SFTs.
7601         (find_what_p_points_to): Likewise.
7603 2008-05-08  Sa Liu  <saliu@de.ibm.com>
7605         * config/spu/spu.md: Fixed subti3 pattern.
7607 2008-05-08  Richard Guenther  <rguenther@suse.de>
7609         PR middle-end/36154
7610         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
7611         sure to create a representative for trailing arrays for PTA.
7613 2008-05-08  Richard Guenther  <rguenther@suse.de>
7615         PR middle-end/36172
7616         * fold-const.c (operand_equal_p): Two objects which types
7617         differ in pointerness are not equal.
7619 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
7621         * calls.c (compute_argument_block_size): Add argument tree fndecl.
7622         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
7623         (emit_library_call_value_1): Add new variable fndecl initialized by
7624         NULL_TREE. It should be the decl type of orgfun, but this information
7625         seems not to be available here, so it uses the default calling abi.
7626         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
7627         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
7628         by TARGET_RETURN_IN_MEMORY.
7629         * config/i386/i386-interix.h: Likewise.
7630         * config/i386/i386.h: Likewise.
7631         * config/i386/i386elf.h: Likewise.
7632         * config/i386/ptx4-i.h: Likewise.
7633         * config/i386/sol2-10.h: Likewise.
7634         * config/i386/sysv4.h: Likewise.
7635         * config/i386/vx-common.h: Likewise.
7636         * config/cris/cris.h: Removed #if 0 clause.
7637         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
7638         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
7639         argument.
7640         (ix86_sol10_return_in_memory): Likewise.
7641         (ix86_i386elf_return_in_memory): New.
7642         (ix86_i386interix_return_in_memory): New.
7643         * config/mt/mt-protos.h (mt_return_in_memory): New.
7644         * config/mt/mt.c: Likewise.
7645         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
7646         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
7647         * config/bfin/bfin.h: Likewise.
7648         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
7649         argument.
7650         * config/bfin/bfin.c: Likewise.
7651         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
7652         * config/alpha/unicosmk.h: Likewise.
7653         * config/i386/cygming.h: Likewise.
7654         * config/iq2000/iq2000.h: Likewise.
7655         * config/mips/mips.h: Likewise.
7656         * config/mn10300/mn10300.h: Likewise.
7657         * config/rs6000/rs6000.h: Likewise.
7658         * config/score/score.h: Likewise.
7659         * config/spu/spu.h: Likewise.
7660         * config/v850/v850.h: Likewise.
7661         * defaults.h: Likewise.
7662         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
7663         * expr.c (emit_block_move): Adjust use of
7664         OUTGOING_REG_PARM_STACK_SPACE.
7665         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
7666         OUTGOING_REG_PARM_STACK_SPACE.
7667         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
7669 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
7671         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
7672         on OMP_RETURN for OMP_FOR.
7674         PR debug/35896
7675         * dwarf2out.c (dw_expand_expr, common_check): Removed.
7676         (fortran_common): New function.
7677         (gen_variable_die): Call fortran_common instead of common_check,
7678         adjust for it returning tree instead of rtx.  Formatting.
7680 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
7682         PR rtl/7335
7683         PR rtl/33826
7684         * see.c (see_copy_insn): Copy new pure const attributes for new call.
7685         * c-decl.c (merge_decls): Ditto.
7686         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
7687         to RTL_CONST_OR_PURE_CALL_P.
7688         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
7689         Initialized DECL_LOOPING_CONST_PURE.
7690         (process_call_operands): Set tree_side_effects properly.
7691         * tree.h (TREE_READONLY_DECL_P): Removed.
7692         (DECL_IS_PURE): Renamed to DECL_PURE_P.
7693         (DECL_LOOPING_OR_CONST_P): New macro.
7694         (struct tree_function_decl): Added looping_const_or_pure_p.
7695         (ECF_*) Renumbered.
7696         (ECF_LOOPING_OR_CONST_P): New macro.
7697         * rtlanal.c (pure_const_p): Removed.
7698         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
7699         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
7700         to RTL_CONST_CALL_P.
7701         * ipa-pure-const.c (pure_const_state_e): Added looping field.
7702         (check_decl, check_tree, check_call, scan_function): Initialize
7703         looping.
7704         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
7705         (static_execute): Set looping true for recursive functions.
7706         Undo setting state to IPA_NEITHER for recursive functions.
7707         * cse.c (cse_insn): 
7708         * ifcvt.c (noce_can_store_speculate_p): Changed
7709         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
7710         RTL_CONST_OR_PURE_CALL_P.
7711         * dse.c (scan_insn): Ditto.
7712         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
7713         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
7714         RTL_CONST_OR_PURE_CALL_P.
7715         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
7716         pure_call_p to RTL_CONST_CALL_P.
7717         * gimplify.c (gimplify_call_expr): Clear side effects for
7718         non-looping pure and constant calls.
7719         * calls.c (emit_call_1): Set rtl flags from ecf flags.
7720         (flags_from_decl_or_type): Set ecf flags from decl flags.
7721         (initialize_argument_information): Turn off
7722         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
7723         Change const to pure if callee_copies is true rather than just
7724         turning off const.
7725         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
7726         way of marking pure calls.
7727         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
7728         Remove hack that was supposed to fix pr7335 and remove old
7729         way of marking pure calls.
7730         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
7731         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
7732         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
7733         RTL_CONST_OR_PURE_CALL_P.
7734         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
7735         * loop-invariant.c (find_exits, find_invariant_bb): Changed
7736         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
7737         * sched-deps.c (schedule_analyze): Ditto.
7738         * rtl.h (struct rtx_def): Use call field, unchanging field, and
7739         return_val field of calls to represent pure and const function info.
7740         (CONST_OR_PURE_CALL_P): Deleted macro.
7741         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
7742         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
7743         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
7744         TREE_READONLY.
7745         * tree-optimize.c (execute_fixup_cfg): Added test for
7746         ECF_LOOPING_CONST_OR_PURE.
7747         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
7748         DECL_PURE_P.
7749         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
7750         effects for looping pure or const calls.
7751         (verify_gimple_expr): Added verification code. 
7752         * config/alpha/alpha.c (alpha_legitimize_address,
7753         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
7754         RTL_CONST_CALL_P.
7755         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
7756         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
7757         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
7758         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
7759         RTL_CONST_OR_PURE_CALL_P.
7760         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
7761         and const calls to be deleted.
7763 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
7765         PR target/35714
7766         * config/i386/mmx.md (mmx_subv2sf3): New expander.
7767         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
7768         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
7769         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
7770         to handle nonimmediate operands.
7771         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
7772         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
7773         to handle nonimmediate operands.
7774         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
7775         (mmx_pmulhrwv4hi3): New expander.  Use
7776         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
7777         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
7778         (sse2_umulv1siv1di3): New expander.  Use
7779         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
7780         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
7781         (mmx_eq<mode>3): New expander.  Use
7782         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
7783         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
7784         (mmx_uavgv8qi3): New expander.  Use
7785         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
7786         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
7787         (mmx_uavgv4hi3): New expander.  Use
7788         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
7790         * config/i386/sse.md
7791         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
7792         to handle nonimmediate operands.
7793         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
7794         to handle nonimmediate operands.
7795         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
7796         to handle nonimmediate operands.
7797         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
7798         to handle nonimmediate operands.
7799         (sse2_unpckhpd_exp): New expander.  Use
7800         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
7801         (sse2_unpcklpd_exp): New expander.  Use
7802         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
7803         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
7804         to handle nonimmediate operands.
7805         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
7806         to handle nonimmediate operands.
7807         (*sse2_<plusminus_insn><mode>3): Rename from
7808         sse2_<plusminus_insn><mode>3 insn pattern.
7809         (sse2_<plusminus_insn><mode>3): New expander.  Use
7810         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
7811         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
7812         (sse2_umulv2siv2di3): New expander.  Use
7813         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
7814         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
7815         (sse4_1_mulv2siv2di3): New expander.  Use
7816         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
7817         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
7818         (sse2_pmaddwd): New expander.  Use
7819         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
7820         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
7821         (sse2_eq<mode>3): New expander.  Use
7822         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
7823         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
7824         (sse4_1_eqv2di3): New expander.  Use
7825         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
7826         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
7827         (sse2_uavgv16qi3): New expander.  Use
7828         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
7829         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
7830         (sse2_uavgv16qi3): New expander.  Use
7831         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
7832         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
7833         (sse2_uavgv8hi3): New expander.  Use
7834         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
7835         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
7836         (ssse3_pmulhrswv8hi3): New expander.  Use
7837         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
7838         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
7839         (ssse3_pmulhrswv4hi3): New expander.  Use
7840         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
7842         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
7843         (<sse>_vmmul<mode>3): Ditto.
7844         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
7845         (divv2df3): Ditto.
7846         (ssse3_pmaddubsw128): Use register_operand for operand 1.
7847         (ssse3_pmaddubsw): Ditto.
7849         * config/i386/i386.c (struct_builtin_description)
7850         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
7851         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
7852         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
7853         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
7854         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
7855         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
7856         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
7857         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
7858         (ix86_fixup_binary_operands): Assert that src1
7859         and src2 must have the same mode when swapped.
7860         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
7861         and ix86_binary_operator_ok.  Do not force operands in registers
7862         when optimizing.
7864 2008-05-07  Jan Hubicka  <jh@suse.cz>
7866         * cgraph.c (dump_cgraph_node): Update.
7867         * cgraph.h (cgraph_local_info): Break out inline summary.
7868         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
7869         hook.
7870         * ipa-inline (inline_summary): New accestor function.
7871         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
7872         cgraph_decide_inlining, compute_inline_parameters): Update.
7873         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
7875 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
7877         Cleanup ColdFire scheduling support and add V4 pipeline model.
7879         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
7880         (define_attr cpu): Add cfv4 value.
7881         (define_attr type, define_attr type1): Merge into a single 'type'
7882         attribute.  Update all uses.
7883         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
7884         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
7885         Update all uses.
7886         (define_attr opx_mem, define_attr opy_mem): Remove.
7887         (define_attr op_mem): Clean up, update comment.
7888         (define_attr size): Use specific values instead of general int.
7889         (define_attr guess, define_attr split): Remove.  Update all uses.
7890         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
7891         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
7892         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
7893         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
7894         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
7895         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
7896         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
7897         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
7898         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
7899         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
7900         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
7901         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
7902         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
7903         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
7904         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
7905         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
7906         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
7907         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
7908         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
7909         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
7910         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
7911         Update or set attributes.
7912         (stack_tie): New fake instruction.
7914         * config/m68k/m68k.h (TUNE_CFV4): New macro.
7915         (m68k_sched_attr_size): Update declaration.
7916         (m68k_sched_attr_type2): Remove.
7917         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
7918         Declare new bypass predicates.
7920         * config/m68k/m68k.c (m68k_sched_issue_rate,
7921         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
7922         implementations.
7923         (TARGET_SCHED_ISSUE_RATE,
7924         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
7925         (override_options): Handle scheduling for ColdFire V4 core.
7926         (m68k_expand_prologue): Emit stack_tie.
7927         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
7928         'OP_TYPE_FPN'.  Update all uses.
7929         (sched_guess_p): Remove.
7930         (sched_address_type): Handle symbolic addresses.
7931         (sched_get_operand): New static function.
7932         (sched_operand_type): Merge into sched_attr_op_type.
7933         (sched_attr_op_type): Handle FP registers, handle quick constants,
7934         update.
7935         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
7936         (m68k_sched_attr_size): Update.  Move logic to ...
7937         (sched_get_attr_size_int): New static function.
7938         (sched_get_opxy_mem_type): New static function.
7939         (m68k_sched_attr_op_mem): Update.
7940         (m68k_sched_attr_type2): Remove.
7941         (sched_cfv4_bypass_data): New static variable.
7942         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
7943         (m68k_sched_issue_rate): Implement scheduler hook.
7944         (struct _sched_ib: enabled_p): New field.
7945         (m68k_sched_variable_issue): Update.  Handle V4.
7946         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
7947         sched_dump_class_func_t, sched_dump_split_class,
7948         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
7949         sched_dump_dfa_class, m68k_sched_dump): Remove.
7950         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
7951         hook.
7952         (m68k_sched_init_global): Remove statisctics dumping, introduce
7953         sanity check that all instructions have pipeline reservations.  Handle
7954         ColdFire V4 core.
7955         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
7956         Handle ColdFire V4 core.
7957         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
7958         New static functions.
7959         (m68k_sched_address_bypass_p): New bypass predicate.
7960         (sched_get_indexed_address_scale): New static function.
7961         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
7963         * cf.md: Update comments.
7964         (define_attr type2): Remove.  Use 'type' attribute instead.
7965         Update all uses.
7966         (cf_ib): Rename to cfv123_ib.  Update all uses.
7967         (cf_oep): Rename to cfv123_oep.  Update all uses.
7968         (cf_chr): Rename to cfv123_chr.  Update all uses.
7969         (cf_mem): Rename to cfv123_mem.  Update all uses.
7970         (cf_mac): Move to more appropriate place.
7971         (cfv123_guess): New automaton and cpu_unit.
7972         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
7973         Update uses of 'size' attribute.  Handle before reload scheduling.
7974         (cfv123_guess): New dummy reservation for unhandled instructions.
7975         (cfv4_*): Pipeline description of ColdFire V4 core.
7976         (ignore): New reservation to handle 'ignore' type.
7978 2008-05-07  Ian Lance Taylor  <iant@google.com>
7980         PR middle-end/36013
7981         * gimplify.c (find_single_pointer_decl_1): Don't look through
7982         indirections.
7983         (find_single_pointer_decl): Adjust comments.
7985 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
7987         PR middle-end/36137
7988         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
7989         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
7991         PR middle-end/36106
7992         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
7993         integral type rather than floating point, then VIEW_CONVERT_EXPR
7994         to the floating point type.
7996 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
7998         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
7999         TFmode op0 to register.
8001 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
8003         * c-decl.c (grokdeclarator): Comment typo.
8005 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
8007         * tree-flow.h: Remove prototype for computed_goto_p.
8008         * tree-cfg.c (computed_goto_p): Make static.
8010 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
8012         PR target/35657
8013         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
8014         (contains_aligned_value_p): This.  Handle _Decimal128.
8015         (ix86_function_arg_boundary): Only align _Decimal128 to its
8016         natural boundary and handle it properly.
8018 2008-05-06  Martin Jambor  <mjambor@suse.cz>
8020         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
8021         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
8022         (ipcp_method_set_orig_node): Removed.
8023         (ipcp_cval_get_cvalue_type): Removed.
8024         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
8025         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
8026         (ipcp_cval_set_cvalue_type): Removed.
8027         (ipcp_cval_get_cvalue): Removed.
8028         (ipcp_cval_set_cvalue): Removed.
8029         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
8030         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
8031         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
8032         (ipcp_cval_meet): Renamed to ipa_lattice_meet
8033         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
8034         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
8035         (ipcp_get_ith_lattice): Changed parameters.
8036         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
8037         (ipcp_lattice_from_jfunc): Changed parameters.
8038         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
8039         (ipcp_method_cval_print): Added temporary variable info.
8040         (ipcp_redirect): Removed already unused local variable caller.
8041         (ipcp_redirect): New temporary variable orig_callee_info
8042         (ipcp_redirect): Removed newly unused local variable callee.
8043         (ipcp_redirect): Removed (a bit confusing) local variable type.
8044         (ipcp_insert_stage): Added local variable info.
8045         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
8046         renamed too
8047         (ipcp_formal_create): Removed.
8048         (ipcp_method_cval_set): Removed.
8049         (ipcp_propagate_stage): Renamed lattice variables.
8050         (ipcp_method_cval_set_cvalue_type): Removed.
8051         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
8052         (ipcp_print_all_lattices): Changed printed strings to refer to 
8053         lattices rather than cvals.
8054         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
8055         (ipcp_propagate_const): Changed formal parameters.
8056         (build_const_val): Changed formal parameters.
8057         (ipcp_insert_stage): Removed useless variable cvalue
8058         (build_const_val): Changed formal parameters.
8059         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
8060         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
8061         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
8062         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
8063         (ipcp_print_func_profile_counts): Changed string from "method" to 
8064         "function"
8065         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
8066         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
8067         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
8068         (ipcp_structures_print): Renamed to ipcp_print_all_structures
8069         (ipcp_profile_print): Renamed to ipcp_print_profile_data
8070         (ipcp_lat_is_const): Changed parameters and made inline.
8071         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
8072         (ipcp_redirect): Renamed to ipcp_need_redirect_p
8073         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
8074         the predicate condition directly
8075         (ipcp_propagate_stage): Added local variable args. Removed local
8076         variable callee.  (Both are mere code simplifications.)
8077         (ipcp_method_dont_insert_const): Renamed to
8078         ipcp_node_not_modifiable_p.
8079         (ipcp_node_not_modifiable_p): Made inline.
8080         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
8081         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
8082         (ipcp_print_all_lattices): Removed variable cvalue
8083         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
8084         Updated comments.
8086 2008-05-06  Olivier Hainque  <hainque@adacore.com>
8088         * tree-sra.c (try_instantiate_multiple_fields): Early return
8089         if field has POINTER_TYPE.
8091 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
8093         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
8094         by using 'q' specifier for instruction.
8095         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
8097 2008-05-06  Anatoly Sokolov <aesok@post.ru>
8099         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
8100         Change mode of zero_extract from QImode to HImode.
8101         (sign bit tests peepholes): (Ditto.).
8103 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
8105         * config/i386/mmx.md: Remove double backslashes from asm templates.
8106         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
8107         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
8108         to handle nonimmediate operands.
8109         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
8110         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
8111         to handle nonimmediate operands.
8112         (*mmx_<code>v2sf3_finite): New insn pattern.
8113         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
8114         (mmx_<code>v2sf3): New expander.  Use
8115         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
8116         (mmx_<plusminus_insn><mode>3): New expander.  Use
8117         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
8118         (*mmx_<plusminus_insn><mode>3): New insn pattern.
8119         (mmx_add<mode>3): Removed.
8120         (mmx_ssadd<mode>3): Ditto.
8121         (mmx_usadd<mode>3): Ditto.
8122         (mmx_sub<mode>3): Ditto.
8123         (mmx_sssub<mode>3): Ditto.
8124         (mmx_ussub<mode>3): Ditto.
8125         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
8126         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
8127         to handle nonimmediate operands.
8128         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
8129         insn pattern.
8130         (mmx_smulv4hi3_highpart): New expander.  Use
8131         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
8132         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
8133         insn pattern.
8134         (mmx_umulv4hi3_highpart): New expander.  Use
8135         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
8136         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
8137         (mmx_<code>v4hi3): New expander.  Use
8138         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
8139         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
8140         (mmx_<code>v8qi3): New expander.  Use
8141         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
8142         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
8143         (mmx_<code><mode>3): New expander.  Use
8144         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
8146 2008-05-05  Jan Hubicka  <jh@suse.cz>
8148         PR tree-optimization/36118
8149         * passes.c (pass_init_dump_file): Fix dump header.
8151 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8153         PR middle-end/36141
8154         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
8155         VCE for function decls.
8157 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
8159         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
8161 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
8163         * config/i386/i386.md (sat_plusminus): New.
8164         (plusminus_insn): Likewise.
8165         (plusminus_mnemonic): Likewise.
8166         (addsub): Removed.
8167         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
8168         (*<addsub><mode>3_cc_overflow): Renamed to ...
8169         (*<plusminus_insn><mode>3_cc_overflow): This.
8170         (*<addsub>si3_zext_cc_overflow): Renamed to ...
8171         (*<plusminus_insn>si3_zext_cc_overflow): This.
8173         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
8174         (<plusminus_insn><mode>3): This.
8175         (*<addsub><mode>3): Renamed to ...
8176         (*<plusminus_insn><mode>3): This.
8177         (<sse>_vm<addsub><mode>3): Renamed to ...
8178         (<sse>_vm<plusminus_insn><mode>3): This.
8179         (sse3_h<addsub>v4sf3): Renamed to ...
8180         (sse3_h<plusminus_insn>v4sf3): This.
8181         (sse3_h<addsub>v2df3): Renamed to ...
8182         (sse3_h<plusminus_insn>v2df3): This.
8183         (<plusminus_insn><mode>3): New.
8184         (*<plusminus_insn><mode>3): Likewise.
8185         (sse2_<plusminus_insn><mode>3): Likewise.
8186         (add<mode>): Removed.
8187         (*add<mode>3): Likewise.
8188         (sse2_ssadd<mode>3): Likewise.
8189         (sse2_usadd<mode>3): Likewise.
8190         (sub<mode>3): Likewise.
8191         (*sub<mode>3): Likewise.
8192         (sse2_sssub<mode>3): Likewise.
8193         (sse2_ussub<mode>3): Likewise.
8195 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
8197         * gthr-single.h: Add in required interface elements as per gthr.h.
8198         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
8199         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
8200         Generalize UNUSED macro. 
8201         (__gthread_once): Add.
8202         (__gthread_key_create): Add.
8203         (__gthread_key_delete): Add.
8204         (__gthread_getspecific): Add.
8205         (__gthread_setspecific): Add.
8206         
8207 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
8209         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
8210         the same size types for the indirect reference on the rhs, then
8211         create a VCE.
8213 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
8215         * config/i386/i386.md
8216         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
8217         one insn template instead of template series.
8218         (*xordi_1_rex64): Ditto.
8219         (*xordi_2_rex64): Ditto.
8221 2008-05-05  Ira Rosen  <irar@il.ibm.com>
8223         PR tree-optimization/36119
8224         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
8225         in case of SLP.
8227 2008-06-04  Jan Hubicka  <jh@suse.cz>
8229         tree-optimization/36100
8230         * tree-pass.h (pass_O0_always_inline): Declare.
8231         * ipa-inline.c (inline_transform): Remove dead code.
8232         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
8233         pass_O0_always_inline): New.
8234         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
8236 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
8238         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
8239         mnemonic in this_param move for TARGET_64BIT.
8241 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
8243         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
8244         (*strmovsi_rex_1): Ditto.
8245         (*strsetsi_1): Ditto.
8246         (*strsetsi_rex_1): Ditto.
8248         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
8249         adddicc expanders using SWI mode iterator.
8251 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
8253         PR target/36121
8254         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
8255         argument handling.
8257 2008-05-04  David S. Miller  <davem@davemloft.net>
8259         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
8260         (sparc*-*-linux*): Use linux.h in tm_file.
8261         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
8262         compiler defaulting to 32-bit.
8263         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
8264         no longer needed.
8265         * config/sparc/linux.h: Remove definitions now obtained
8266         properly from linux.h
8267         * config/sparc/linux64.h: Likewise.
8268         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
8269         don't want this setting for 32-bit builds in a biarch compiler.
8270         * doc/install.texi: Add sparc-linux to list of targets
8271         supporting --enable-targets=all.
8273 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
8275         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
8277 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
8279         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
8280         after V4SI_FTYPE_V8HI.
8281         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
8282         case V4SI_FTYPE_V2DF.
8284 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
8286         * doc/invoke.texi (max-flow-memory-locations): Removed.
8287         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
8288         
8289 2008-05-03  Richard Guenther  <rguenther@suse.de>
8291         PR middle-end/34973
8292         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
8294 2008-05-02  David S. Miller  <davem@davemloft.net>
8296         * config.gcc (need_64bit_hwint): Document libcpp dependency.
8298 2008-05-02  Simon Baldwin <simonb@google.com>
8300         PR bootstrap/36108
8301         * c-common.h (warn_array_subscript_range): Removed.
8302         * c-common.c (warn_array_subscript_range): Ditto.
8303         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
8304         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
8306 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
8308         * config/i386/i386.c (ix86_special_builtin_type): New.
8309         (bdesc_special_args): Likewise.
8310         (ix86_expand_special_args_builtin): Likewise.
8311         (ix86_init_mmx_sse_builtins): Updated.
8312         (ix86_expand_builtin): Updated.
8313         (ix86_expand_store_builtin): Removed.
8314         (ix86_expand_unop_builtin): Likewise.
8316         * config/i386/mm3dnow.h (__v2sf): Moved to ...
8317         * config/i386/mmintrin.h (__v2sf): Here.
8319         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
8320         const __v2sf.
8321         (_mm_loadl_pi): Likewise.
8322         (_mm_storeh_pi): Replace __v2si with __v2sf.
8323         (_mm_storel_pi): Likewise.
8325         * doc/extend.texi: Correct __builtin_ia32_loadhps,
8326         __builtin_ia32_loadlps, __builtin_ia32_storehps,
8327         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
8328         __builtin_ia32_loadlpd.
8330 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
8332         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
8333         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
8334         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
8335         (ix86_init_mmx_sse_builtins): Updated.
8336         (ix86_expand_args_builtin): Likewise.
8337         (ix86_expand_builtin): Likewise.
8338         (ix86_expand_unop1_builtin): Renamed to ...
8339         (ix86_expand_unop_vec_merge_builtin): This.
8341 2008-05-01  Jan Hubicka  <jh@suse.cz>
8343         PR bootstrap/36100
8344         * ipa-inline.c (inline_generate_summary): Make static.
8345         (inline_transform): Do not call inlining at -O0; make static.
8346         * passes.c (execute_todo): Add sanity check.
8347         (execute_one_ipa_transform_pass): Execute proper flags.
8349 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
8351         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
8352         (DECL_NONADDRESSABLE_P): Likewise.
8353         * alias.c (record_component_aliases): Fix comment.
8355 2008-05-01  Simon Baldwin <simonb@google.com>
8357         * c-common.h (warn_array_subscript_range): New function.
8358         * c-common.c (warn_array_subscript_range): Ditto.
8359         * tree-vrp.c (check_array_ref): Corrected code to agree with
8360         comment, ignoring only arrays of size 0 or size 1.
8361         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
8363 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
8365         * config/i386/i386.c (ix86_builtin_type): Replace
8366         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
8367         (bdesc_args): Updated.
8368         (ix86_init_mmx_sse_builtins): Likewise.
8369         (ix86_expand_args_builtin): Likewise.
8371         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
8372         with __v1di.
8374         * doc/extend.texi: Correct __builtin_ia32_palignr.
8376 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
8378         PR target/36095
8379         * config/i386/i386.c (bdesc_crc32): Removed.
8380         (ix86_expand_crc32): Likewise.
8381         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
8382         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
8383         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
8384         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
8385         UINT_FTYPE_UINT_UCHAR.
8386         (bdesc_args): Updated. Add crc32 builtins.
8387         (ix86_init_mmx_sse_builtins): Updated.
8388         (ix86_expand_args_builtin): Updated to support subreg.
8390         * doc/extend.texi: Correct __builtin_ia32_crc32di.
8392 2008-05-01  Jan Hubicka  <jh@suse.cz>
8394         * tree-pass.h (opt_pass): Add IPA_PASS.
8395         (varpool_node, cgraph_node): Forward declare.
8396         (ipa_opt_pass): Define.
8397         (pass_ipa_inline): Turn into ipa_opt_pass.
8398         (pass_apply_inline): Remove.
8399         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
8400         (apply_inline): Turn into ....
8401         (inline_transform): ... this one.
8402         (inline_generate_summary): New function.
8403         (pass_apply_inline): Remove.
8404         * function.h (ipa_opt_pass): Forward declare structure; typedef;
8405         vector.
8406         (struct function): Add ipa_transforms_to_apply.
8407         * passes.c (register_one_dump_file): Work on IPA_PASS.
8408         (init_optimization_passes): Remove pass_inline_parameters and
8409         pass_apply_inline.
8410         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
8411         (execute_one_pass) ... here; apply transforms when possible.
8412         (add_ipa_transform_pass, execute_ipa_summary_asses,
8413         execute_one_ipa_transform_pass): New.
8414         (execute_ipa_pass_list): Update for IPA_PASS type.
8416 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
8418         * config/i386/i386.c (ix86_builtin_type): Add
8419         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
8420         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
8421         (bdesc_args): Add SSE4a builtins.
8422         (ix86_init_mmx_sse_builtins): Updated.
8423         (ix86_expand_args_builtin): Likewise.
8424         (ix86_expand_builtin): Likewise.
8426 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
8428         * config/i386/i386.c (ix86_builtin_type): Add
8429         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
8430         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
8431         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
8432         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
8433         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
8434         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
8435         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
8436         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
8437         and DI_FTYPE_DI_DI_INT.
8438         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
8439         (ix86_init_mmx_sse_builtins): Updated.
8440         (ix86_expand_args_builtin): Likewise.
8441         (ix86_expand_builtin): Likewise.
8442         (ix86_expand_binop_imm_builtin): Removed.
8444         * doc/extend.texi: Correct __builtin_ia32_palignr128.
8446 2008-04-30  Richard Guenther  <rguenther@suse.de>
8448         PR tree-optimization/32921
8449         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
8451 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
8453         * config/arm/arm.c (arm_unwind_emit): Use
8454         crtl->all_throwers_are_sibcalls instead of
8455         cfun->all_throwers_are_sibcalls.
8456         (arm_output_fn_unwind): Likewise.
8457         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
8458         instead of cfun->uses_pic_offset_table.
8459         (frv_expand_prologue): Likewise.
8460         (frv_frame_pointer_required): Likewise.
8461         (frv_expand_fdpic_call): Likewise.
8462         (frv_emit_movsi): Likewise.
8463         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
8464         cfun->returns_pcc_struct instead of
8465         current_function_returns_pcc_struct.
8466         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
8467         instead of cfun->calls_eh_return.
8468         (m32c_pushm_popm): Likewise.
8469         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
8470         "extern" declaration.
8472 2008-04-30  Richard Guenther  <rguenther@suse.de>
8474         PR tree-optimization/21636
8475         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
8476         constant address.
8477         (evaluate_stmt): Print the likely value.
8478         (ccp_visit_stmt): Avoid excessive vertical spacing.
8480 2008-04-30  Rafael Espindola  <espindola@google.com>
8482         * builtins.c (fold_call_expr): Return realret.
8483         * tree-ssa-threadedge.c
8484         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
8485         __builtin_object_size.
8487 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
8489         * gcc.c (wrapper_string): New variable.
8490         (insert_wrapper): New function.
8491         (execute): New option -wrapper.
8492         * doc/invoke.texi (Overall Options): New driver option -wrapper.
8494 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
8496         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
8497         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
8498         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
8499         from...
8500         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
8501         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
8502         config/rs6000/e500crtres64gprctr.asm,
8503         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
8504         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
8505         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
8506         config/rs6000/e500crtsav64gprctr.asm,
8507         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
8508         config/rs6000/e500crtsavg64gprctr.asm: New files.
8509         * config/rs6000/t-ppccomm: Add build rules for new files.
8510         (LIB2FUNCS_STATIC_EXTRA): Add new files.
8511         * config/rs6000/t-netbsd: Add build rules for new files.
8512         (LIB2FUNCS_STATIC_EXTRA): New variable.
8513         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
8514         (CRTSAVRES_DEFAULT_SPEC): Likewise.
8515         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
8517 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
8519         * config/i386/i386.c (ix86_builtin_type): Add
8520         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
8521         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
8522         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
8523         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
8524         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
8525         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
8526         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
8527         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
8528         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
8529         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
8530         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
8531         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
8532         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
8533         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
8534         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
8535         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
8536         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
8537         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
8538         V1DI_FTYPE_V2SI_V2SI.
8539         (bdesc_2arg): Moved to ...
8540         (bdesc_args): Here.
8541         (ix86_init_mmx_sse_builtins): Updated.
8542         (ix86_expand_args_builtin): Updated.  Take a pointer
8543         to const struct builtin_description.  Handle comparison
8544         builtin functions.
8545         (ix86_expand_sse_compare): Take a new argument for swapping operands.
8546         (ix86_expand_builtin): Updated.
8548         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
8549         (ssse3_pmaddubsw128): This.
8550         (ssse3_pmaddubswv4hi3): Renamed to ...
8551         (ssse3_pmaddubsw): This.
8553         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
8554         (__builtin_ia32_packssdw128): Likewise.
8555         (__builtin_ia32_packuswb128): Likewise.
8556         (__builtin_ia32_pmaddubsw): Likewise.
8557         (__builtin_ia32_pmaddubsw128): Likewise.
8559 2008-04-30  Richard Guenther  <rguenther@suse.de>
8561         PR tree-optimization/14847
8562         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
8563         (recognize_bits_test): Use it.
8564         (recognize_single_bit_test): Likewise.
8566 2008-04-30  Martin Jambor  <mjambor@suse.cz>
8568         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
8569         instead of setting number of formal parameters to zero.
8570         (ipcp_init_stage): Do not set the number of actual parameters to zero 
8571         either.
8572         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
8573         which are called with variable number of arguments.
8574         (ipcp_insert_stage): Explicitely skipping all nodes which are
8575         called with variable number of arguments.
8576         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
8577         number of parameters.
8579         * ipa-prop.h (struct ipa_node_params): Added flag
8580         called_with_var_arguments
8581         (ipa_set_param_count): Added.  Changed sole setter to use it.
8582         (ipa_get_param_count): Added.  All readers of param_count
8583         converted to use it instead.
8584         (ipa_set_called_with_variable_arg): Added.
8585         (ipa_is_called_with_var_arguments): Added.
8586         (ipa_get_ith_param): Added.  All readers of param_decls converted
8587         to use it instead.
8588         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
8589         changed to use it. 
8590         (ipa_get_cs_argument_count): Added, all readers of argument_count
8591         changed to cal it.
8592         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
8593         to use it.
8594         
8595         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
8596         (struct ipcp_lattice): Renamed cval_type to type
8597         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
8599         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
8600         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
8601         (ipcp_insert_stage): Changed the type of variable cvalue to tree
8602         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
8603         (build_const_val): Changed the type of parameter cvalue to tree
8604         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
8605         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
8606         
8607         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
8608         constant 
8610         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
8611         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
8612         (ipa_add_method): Renamed to ipa_push_func_to_list
8613         (ipa_remove_method): Renamed to ipa_pop_func_from_list
8614         (ipa_callsite_param_count): Removed.
8615         (ipa_callsite_param_count_set): Removed.
8616         (ipa_callsite_param): Removed.
8617         (ipa_callsite_callee): Removed.
8618         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
8619         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
8620         (ipa_method_formal_count): Removed.
8621         (ipa_method_formal_count_set): Removed.
8622         (ipa_method_get_tree): Removed.
8623         (ipa_method_tree_map_create): Removed.
8624         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
8625         (ipa_create_param_decls_array): Creates the array itself
8626         (ipa_create_param_decls_array): Temporary variable info instead of 
8627         a few dereferences.
8628         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
8629         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
8630         (get_type): Removed.
8631         (ipa_jf_get_info_type): Removed.
8632         (ipa_node_create): Renamed to ipa_create_node_params
8633         (ipa_free): Renamed to ipa_free_all_node_params
8634         (ipa_nodes_create): Renamed to ipa_create_all_node_params
8635         (ipa_edges_create): Renamed to ipa_create_all_edge_args
8636         (ipa_edges_free): Renamed to ipa_free_all_edge_args
8637         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
8638         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
8639         ipa_free_all_edge_args
8640         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
8641         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
8642         (ipa_create_methodlist_node): Removed.
8643         (ipa_methodlist_method): Removed.
8644         (ipa_methodlist_method_set): Removed.
8645         (ipa_methodlist_next_method): Removed.
8646         (ipa_methodlist_next_method_set): Removed.
8647         (ipa_method_is_modified): Removed.
8648         (ipa_method_modify_create): Removed.
8649         (ipa_method_modify_init): Temporary variable info instead of a few 
8650         dereferences.
8651         (ipa_detect_param_modifications): Temporary variable info instead of 
8652         a few dereferences.
8653         (ipa_compute_jump_functions): Temporary variable info instead of 
8654         a few dereferences.
8655         (ipa_method_modify_set): Removed.
8656         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
8657         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
8658         than craph_node as the first parameter.
8659         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
8660         (ipa_method_modify_init): Removed.
8661         (ipa_compute_jump_functions): Added a temp variable instead of 
8662         repeatadly dereferencing the cgraph_edge.aux pointer
8663         (ipa_callsite_param_set_type): Removed.
8664         (ipa_compute_jump_functions): i renamed to index and moved to 
8665         an inner block
8666         (ipa_callsite_param_set_info_type_formal): Removed.
8667         (ipa_callsite_param_set_info_type): Removed.
8668         (ipa_callsite_param_map_create): Removed.
8669         (ipa_callsite_tree): Removed.
8670         (ipa_callsite_caller): Removed.
8671         (ipa_pop_func_from_list): return_method removed to return_func
8673         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
8674         prefixed all values with IPA_. Changed all users.
8675         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
8676         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
8677         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
8678         (union parameter_info): Renamed to jump_func_value.
8679         (union jump_func_value): Renamed value to constant
8680         (struct ipa_jump_func): Renamed info_type to value
8681         (struct ipa_node): Renamed to ipa_node_params
8682         (struct ipa_node_params): Renamed ipa_arg_num to param_count
8683         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
8684         (struct ipa_node_params): Renamed ipa_mod to modified_flags
8685         (struct ipa_edge): Renamed to ipa_edge_args
8686         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
8687         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
8688         (struct ipa_methodlist): Renamed to ipa_func_list
8689         (struct ipa_func_list): method_p renamed to node, next_method
8690         renamed to next
8691         (ipa_methodlist_p): Removed, switched all users to struct pointer
8692         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
8694 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
8696         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
8697         (rs6000_emit_epilogue): Use backchain to restore only when we
8698         have a large frame.  Make use of frame pointer to restore if we
8699         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
8701 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
8703         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
8704         Add mode to zero_extract.
8705         (sign bit tests peepholes): (Ditto.).
8707 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
8709         * config/i386/i386.c (ix86_builtins): Replace Prescott New
8710         Instructions in comments with SSE3.
8711         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
8712         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
8713         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
8714         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
8715         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
8716         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
8717         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
8718         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
8719         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
8720         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
8721         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
8722         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
8723         (bdesc_sse_args): Renamed to ...
8724         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
8725         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
8726         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
8727         IX86_BUILTIN_FABSQ.
8728         (bdesc_1arg): Moved to ...
8729         (bdesc_args): Here.
8730         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
8731         Instructions in comments with SSE3.
8732         (ix86_expand_sse_operands_builtin): Renamed to ...
8733         (ix86_expand_args_builtin): This.  Updated.
8734         (ix86_expand_unop1_builtin): Update comments.
8735         (ix86_expand_builtin): Updated.
8737 2008-04-29  Richard Guenther  <rguenther@suse.de>
8739         PR tree-optimization/36078
8740         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
8741         Update virtual SSA form after cleaning up the CFG.
8743 2008-04-29  Richard Guenther  <rguenther@suse.de>
8745         PR middle-end/15255
8746         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
8748 2008-04-29  Richard Guenther  <rguenther@suse.de>
8750         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
8751         (compute_may_aliases): Do not call finalize_ref_all_pointers.
8752         (compute_flow_insensitive_aliasing): Do not treat
8753         PTR_IS_REF_ALL pointers special.
8754         (get_smt_for): Likewise.
8755         (may_alias_p): Re-structure.
8756         (is_escape_site): A ref-all pointer conversion is not an escape site.
8757         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
8758         PTR_IS_REF_ALL pointers special.
8759         * tree-ssa-structalias.h (struct alias_info): Remove
8760         ref_all_symbol_mem_tag field.
8761         (PTR_IS_REF_ALL): Remove.
8763 2008-04-29  Richard Guenther  <rguenther@suse.de>
8765         PR middle-end/36077
8766         * fold-const.c (extract_muldiv_1): In combining division constants
8767         make sure to never overflow.
8769 2008-04-29  Nick Clifton  <nickc@redhat.com>
8771         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
8773 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8775         PR bootstrap/35169
8776         * optc-gen.awk: Work around HP-UX/IA awk bug.
8778 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
8780         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
8781         2008-04-25 commit.
8783 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
8785         PR target/36073
8786         * config/i386/i386.md
8787         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
8788         Change operand 1 predicate to nonimmediate_operand.
8790 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
8792         PR debug/36060
8793         * dwarf2out.c (struct die_struct): Mark as chain_circular through
8794         die_sub field.
8795         * gengtype.c (walk_type, write_func_for_structure): Handle
8796         chain_circular.
8797         * doc/gty.texi: Document chain_circular.
8799 2008-04-28  Richard Guenther  <rguenther@suse.de>
8801         PR tree-optimization/36066
8802         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
8803         SCEV and loop.
8805 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
8807         PR target/36064
8808         * config/i386/i386.md
8809         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
8810         Use match_scratch instead of match_operand for operands 3 and 4.
8812 2008-04-27  Richard Guenther  <rguenther@suse.de>
8814         PR tree-optimization/18754
8815         PR tree-optimization/34223
8816         * tree-pass.h (pass_complete_unrolli): Declare.
8817         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
8818         loop size before and after unconditionally of UL_NO_GROWTH in effect.
8819         Rewrite loop into loop closed SSA form if it is not already.
8820         (tree_unroll_loops_completely): Re-structure to iterate over
8821         innermost loops with intermediate CFG cleanups.
8822         Unroll outermost loops only if requested or the code does not grow
8823         doing so.
8824         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
8825         loops are available.
8826         (tree_vectorize): Instead do so here.
8827         (tree_complete_unroll): Also unroll outermost loops.
8828         (tree_complete_unroll_inner): New function.
8829         (gate_tree_complete_unroll_inner): Likewise.
8830         (pass_complete_unrolli): New pass.
8831         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
8832         uses outside of the loop.
8833         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
8834         form if it is available.  
8835         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
8836         * passes.c (init_optimization_passes): Schedule complete inner
8837         loop unrolling pass before the first CCP pass after final inlining.
8839 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
8841         * targhooks.h (default_emutls_var_fields,
8842         default_emutls_var_init): Declare.
8843         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
8844         * target.h (struct gcc_target): Add struct emutls member.
8845         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
8846         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
8847         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
8848         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
8849         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
8850         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
8851         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
8852         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
8853         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
8854         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
8855         emit debug information.
8856         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
8857         * varasm.c: Include targhooks.h.
8858         (emutls_object_section, emutls_tmpl_section): New.
8859         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
8860         (EMUTLS_SEPARATOR): New.
8861         (prefix_name): New.
8862         (get_emutls_object_name): New.
8863         (default_emutls_var_fields): New, broken out of ...
8864         (get_emutls_object_type): ... here.  Adjust to use target hooks.
8865         (get_emutls_init_templ_addr): Adjust to use target hooks.
8866         (emutls_decl): Adjust to use target hooks.
8867         (emutls_finish): Likewise.
8868         (default_emutls_var_init): New, broken out of ...
8869         (assemble_variable): ... here.  Adjust to use target hooks.
8870         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
8871         SECCAT_EMUTLS_TMPL.
8872         * c-common.c (handle_section_attribute): Prevent overriding
8873         sections for emulated tls with special sections.
8874         * config/i386/i386.c (x86_64_elf_select_section): Add
8875         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
8876         (x86_64_elf_unique_section): Likewise.
8877         * config/vxworks.c: Include tree.h.
8878         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
8879         (vxworks_override_options): Set TLS scheme.
8880         * doc/tm.texi (Emulated TLS): New node.
8882 2008-04-26  Simon Baldwin <simonb@google.com>
8884         PR c/35652
8885         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
8886         with propagated string constants.
8888 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
8890         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
8891         constraint for operand 2 when operand 0 is memory operand.
8892         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
8893         operand 0 is memory operand.
8894         (fix_trunc<mode>_i387_with_temp): Ditto.
8895         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
8896         operand 2 when operand 1 is memory operand.
8897         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
8898         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
8899         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
8900         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
8901         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
8902         operands 2,3 and 4 when operand 1 is memory operand.
8903         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
8904         is memory operand.
8905         (fistdi2_floor_with_temp): Ditto.
8906         (fist<mode>2_floor_with_temp): Ditto.
8907         (fistdi2_ceil_with_temp): Ditto.
8908         (fist<mode>2_ceil_with_temp): Ditto.
8909         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
8911 2008-04-26  David Daney  <ddaney@avtrex.com>
8913         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
8914         unspec_volitile.
8915         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
8916         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
8917         UNSPEC_UPDATE_GOT_VERSION): Renumber.
8918         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
8919         (compare_and_swap_12): New insn.
8920         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
8921         * config/mips/mips.c (mips_force_binary): New function.
8922         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
8923         (mips_expand_compare_and_swap_12): New function.
8924         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
8926 2008-04-25  Jan Hubicka  <jh@suse.cz>
8928         PR testsuite/35843
8929         * cfgexpand.c (pass_expand): Turn into RTL pass.
8930         * passes.c (execute_one_pass): Do pass typechecking after execution.
8931         * tree-pass.h (pass_expand): Turn into RTL pass.
8933         * function.h (struct rtl_data): Move here fields
8934         accesses_prior_frames, calls_eh_return, saves_all_registers,
8935         has_nonlocal_goto, has_asm_statement, is_thunk,
8936         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
8937         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
8938         arg_pointer_save_area_init from struct function; turn into bool.
8939         (struct function): Move
8940         calls_eh_return, saves_all_registers, has_nonlocal_goto,
8941         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
8942         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
8943         tail_call_emit, arg_pointer_save_area_init
8944         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
8945         (current_function_returns_struct, current_function_returns_pcc_struct,
8946         current_function_calls_setjmp, current_function_calls_alloca,
8947         current_function_accesses_prior_frames,
8948         current_function_calls_eh_return, current_function_is_thunk,
8949         current_function_stdarg, current_function_profile,
8950         current_function_limit_stack, current_function_uses_pic_offset_table,
8951         current_function_uses_const_pool, current_function_has_nonlocal_label,
8952         current_function_saves_all_registers,
8953         current_function_has_nonlocal_goto,
8954         current_function_has_asm_statement): Remove accesor macros.
8955         * ra-conflict.c (global_conflicts): Update.
8956         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
8957         (suitable_for_tail_call_opt_p): Update.
8958         * builtins.c (expand_builtin_return_addr): Update.
8959         (expand_builtin_setjmp_setup): Update.
8960         (expand_builtin_nonlocal_goto): Update.
8961         * final.c (final_start_function): Update.
8962         (profile_function): Update.
8963         (leaf_function_p): Update.
8964         (only_leaf_regs_used): Update.
8965         * df-scan.c (df_get_exit_block_use_set): Update.
8966         * dojump.c (clear_pending_stack_adjust): Update.
8967         * tree-stdarg.c (gate_optimize_stdarg): Update.
8968         * gimple-low.c (lower_function_body): Update.
8969         * global.c (compute_regsets): Update.
8970         (global_alloc): Update.
8971         * dwarf2out.c (dwarf2out_begin_prologue): Update.
8972         * expr.c (expand_assignment): Update.
8973         * dse.c (dse_step0): Update.
8974         (dse_step1): Update.
8975         * c-decl.c (store_parm_decls): Update.
8976         * local-alloc.c (combine_regs): Update.
8977         (find_free_reg): Update.
8978         * function.c (assign_parms_augmented_arg_list): Update.
8979         (assign_parm_find_data_types): Update.
8980         (assign_parms): Update.
8981         (allocate_struct_function): Update.
8982         (expand_function_start): Update.
8983         (expand_function_end): Update.
8984         (get_arg_pointer_save_area): Update.
8985         (thread_prologue_and_epilogue_insns): Update.
8986         (rest_of_match_asm_constraints): Update.
8987         * stor-layout.c (variable_size): Update.
8988         * gcse.c (gcse_main): Update.
8989         (bypass_jumps): Update.
8990         * gimplify.c (gimplify_function_tree): Update.
8991         * calls.c (emit_call_1): Update.
8992         (expand_call): Update.
8993         * bt-load.c (compute_defs_uses_and_gen): Update.
8994         * except.c (sjlj_assign_call_site_values): Update.
8995         (sjlj_emit_function_enter): Update.
8996         (can_throw_external): Update.
8997         (set_nothrow_function_flags): Update.
8998         (expand_builtin_unwind_init): Update.
8999         (expand_eh_return): Update.
9000         (convert_to_eh_region_ranges): Update.
9001         (output_function_exception_table): Update.
9002         * emit-rtl.c (gen_tmp_stack_mem): Update.
9003         * cfgexpand.c (expand_used_vars): Update.
9004         (tree_expand_cfg): Update.
9005         * cfgcleanup.c (rest_of_handle_jump): Update.
9006         * explow.c (allocate_dynamic_stack_space): Update.
9007         * varasm.c (assemble_start_function): Update.
9008         (force_const_mem): Update.
9009         (mark_constant_pool): Update.
9010         * tree-optimize.c (tree_rest_of_compilation): Update.
9011         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
9012         * tree-cfg.c (notice_special_calls): Update.
9013         (is_ctrl_altering_stmt): Update.
9014         (tree_can_make_abnormal_goto): Update.
9015         (tree_purge_dead_abnormal_call_edges): Update.
9016         * config/alpha/predicates.md: Update.
9017         * config/alpha/alpha.c (alpha_sa_mask): Update.
9018         (alpha_sa_size): Update.
9019         (alpha_does_function_need_gp): Update.
9020         (alpha_expand_prologue): Update.
9021         (alpha_start_function): Update.
9022         (alpha_output_function_end_prologue): Update.
9023         (alpha_expand_epilogue): Update.
9024         * config/frv/frv.c (frv_stack_info): Update.
9025         (frv_expand_epilogue): Update.
9026         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
9027         (s390_register_info): Update.
9028         (s390_frame_info): Update.
9029         (s390_init_frame_layout): Update.
9030         (s390_can_eliminate): Update.
9031         (save_gprs): Update.
9032         * config/spu/spu.c (spu_split_immediate): Update.
9033         (need_to_save_reg): Update.
9034         (spu_expand_prologue): Update.
9035         (spu_expand_epilogue): Update.
9036         * config/sparc/sparc.md: Update.
9037         * config/sparc/sparc.c (eligible_for_return_delay): Update.
9038         (sparc_tls_got): Update.
9039         (legitimize_pic_address): Update.
9040         (sparc_emit_call_insn): Update.
9041         (sparc_expand_prologue): Update.
9042         (output_return): Update.
9043         (print_operand): Update.
9044         (sparc_function_ok_for_sibcall): Update.
9045         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
9046         * config/m32r/m32r.md: Update.
9047         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
9048         (m32r_compute_frame_size): Update.
9049         (m32r_expand_prologue): Update.
9050         (m32r_expand_epilogue): Update.
9051         (m32r_legitimize_pic_address): Update.
9052         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
9053         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
9054         * config/i386/i386.c (ix86_frame_pointer_required): Update.
9055         (gen_push): Update.
9056         (ix86_save_reg): Update.
9057         (ix86_compute_frame_layout): Update.
9058         (ix86_expand_prologue): Update.
9059         (ix86_expand_epilogue): Update.
9060         * config/sh/sh.c (output_stack_adjust): Update.
9061         (calc_live_regs): Update.
9062         (sh5_schedule_saves): Update.
9063         (sh_expand_prologue): Update.
9064         (sh_expand_epilogue): Update.
9065         (sh_setup_incoming_varargs): Update.
9066         (sh_allocate_initial_value): Update.
9067         (sh_get_pr_initial_val): Update.
9068         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
9069         * config/sh/sh.md (label:): Update.
9070         * config/avr/avr.c (out_movhi_mr_r): Update.
9071         * config/crx/crx.h (enum): Update.
9072         * config/xtensa/xtensa.h (along): Update.
9073         * config/stormy16/stormy16.c Update.
9074         (xstormy16_compute_stack_layout): Update.
9075         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
9076         (fr30_expand_prologue): Update.
9077         * config/cris/cris.c (cris_conditional_register_usage): Update.
9078         (cris_reg_saved_in_regsave_area): Update.
9079         (cris_initial_frame_pointer_offset): Update.
9080         (cris_simple_epilogue): Update.
9081         (cris_expand_prologue): Update.
9082         (cris_expand_epilogue): Update.
9083         (cris_expand_pic_call_address): Update.
9084         (cris_asm_output_symbol_ref): Update.
9085         (cris_asm_output_label_ref): Update.
9086         * config/cris/cris.md Update.
9087         * config/iq2000/iq2000.c (compute_frame_size): Update.
9088         (iq2000_expand_epilogue): Update.
9089         * config/mt/mt.h (save_direction): Update.
9090         * config/mn10300/mn10300.c (mn10300_function_value): Update.
9091         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
9092         (ia64_secondary_reload_class): Update.
9093         * config/m68k/m68k.c (m68k_save_reg): Update.
9094         (m68k_expand_prologue): Update.
9095         (m68k_expand_epilogue): Update.
9096         (legitimize_pic_address): Update.
9097         * config/rs6000/rs6000.c (rs6000_got_register): Update.
9098         (first_reg_to_save): Update.
9099         (first_altivec_reg_to_save): Update.
9100         (compute_vrsave_mask): Update.
9101         (compute_save_world_info): Update.
9102         (rs6000_stack_info): Update.
9103         (spe_func_has_64bit_regs_p): Update.
9104         (rs6000_ra_ever_killed): Update.
9105         (rs6000_emit_eh_reg_restore): Update.
9106         (rs6000_emit_allocate_stack): Update.
9107         (rs6000_emit_prologue): Update.
9108         (rs6000_emit_epilogue): Update.
9109         (rs6000_output_function_epilogue): Update.
9110         (output_profile_hook): Update.
9111         (rs6000_elf_declare_function_name): Update.
9112         * config/rs6000/rs6000.h (rs6000_args): Update.
9113         * config/rs6000/rs6000.md: Update.
9114         * config/mcore/mcore.c (mcore_expand_prolog): Update.
9115         * config/arc/arc.c (arc_output_function_epilogue): Update.
9116         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
9117         * config/darwin.c (machopic_function_base_name): Update.
9118         * config/score/score3.c (score3_compute_frame_size): Update.
9119         (rpush): Update.
9120         (rpop): Update.
9121         (score3_epilogue): Update.
9122         * config/score/score7.c (score7_compute_frame_size): Update.
9123         (score7_prologue): Update.
9124         (score7_epilogue): Update.
9125         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
9126         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
9127         * config/arm/arm.c (use_return_insn): Update.
9128         (require_pic_register): Update.
9129         (arm_load_pic_register): Update.
9130         (arm_compute_save_reg0_reg12_mask): Update.
9131         (arm_compute_save_reg_mask): Update.
9132         (thumb1_compute_save_reg_mask): Update.
9133         (output_return_instruction): Update.
9134         (arm_output_function_prologue): Update.
9135         (arm_output_epilogue): Update.
9136         (arm_get_frame_offsets): Update.
9137         (arm_expand_prologue): Update.
9138         (thumb_pushpop): Update.
9139         (thumb_exit): Update.
9140         (thumb1_expand_prologue): Update.
9141         (thumb1_expand_epilogue): Update.
9142         (arm_unwind_emit): Update.
9143         (arm_output_fn_unwind): Update.
9144         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
9145         * config/arm/arm.md: Update.
9146         * config/pa/pa.md: Update.
9147         * config/pa/pa.c (legitimize_pic_address): Update.
9148         (compute_frame_size): Update.
9149         (hppa_expand_prologue): Update.
9150         (hppa_expand_epilogue): Update.
9151         (borx_reg_operand): Update.
9152         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
9153         (HARD_REGNO_RENAME_OK): Update.
9154         * config/mips/mips.c (mips_global_pointer): Update.
9155         (mips_save_reg_p): Update.
9156         (mips_compute_frame_info): Update.
9157         (mips_frame_pointer_required): Update.
9158         (mips_expand_prologue): Update.
9159         (mips_expand_epilogue): Update.
9160         (mips_can_use_return_insn): Update.
9161         (mips_reorg_process_insns): Update.
9162         * config/v850/v850.c (compute_register_save_size): Update.
9163         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
9164         * config/mmix/mmix.c (along): Update.
9165         (mmix_expand_epilogue): Update.
9166         * config/bfin/bfin.c (legitimize_pic_address): Update.
9167         (must_save_p): Update.
9168         (stack_frame_needed_p): Update.
9169         (add_to_reg): Update.
9170         (bfin_expand_prologue): Update.
9171         * stmt.c (expand_asm_operands): Update.
9172         * reload1.c (reload): Update.
9173         (init_elim_table): Update.
9175 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
9176         
9177         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
9178         
9179 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
9181         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
9182         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
9183         (mov<mode>): Removed.
9184         (*movv4sf_internal): Likewise.
9185         (*movv2df_internal): Likewise.
9187 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
9189         * config.gcc (crx-*-elf): Remove deprecation.
9191 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
9193         * config/i386/cygming-crtend.c (register_frame_ctor): Register
9194         __gcc_deregister_frame with atexit.
9195         (deregister_frame_dtor): Remove.
9197 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
9198             Nathan Sidwell  <nathan@codesourcery.com>
9200         * config/rs6000/rs6000.opt (mspe): Remove Var property.
9201         (misel): Likewise.
9202         * config/rs6000/rs6000.h (rs6000_spe): Declare.
9203         (rs6000_isel): Likewise.
9204         * config/rs6000/rs6000.c (rs6000_spe): New variable.
9205         (rs6000_isel): New variable.
9206         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
9208 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
9210         PR c++/35758
9211         * c-common.c (handle_vector_size_attribute): Call
9212         lang_hooks.types.reconstruct_complex_type instead of
9213         reconstruct_complex_type.
9214         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
9215         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
9216         * langhooks.h (struct lang_hooks_for_types): Add
9217         reconstruct_complex_type hook.
9218         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
9219         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
9221 2008-04-24  Richard Guenther  <rguenther@suse.de>
9223         * c-common.h (check_builtin_function_arguments): Declare.
9224         * c-common.c (validate_nargs): New function.
9225         (check_builtin_function_arguments): Likewise.
9226         * c-typeck.c (build_function_call): Call
9227         check_builtin_function_arguments.
9228         * builtins.c (fold_builtin_classify): Remove error reporting code.
9229         (fold_builtin_unordered_cmp): Likewise.
9230         (fold_builtin_1): Likewise.
9231         (fold_builtin_n): Likewise.
9233 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
9235         PR tree-optimization/36008
9236         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
9237         the original op1, rather than delta by step.
9239 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
9240             Sebastian Pop  <sebastian.pop@amd.com>
9242         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
9243         eliminate_local_variables_stmt, eliminate_local_variables,
9244         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
9245         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
9246         of code delimited by two edges in the CFG.
9247         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
9248         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
9249         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
9250         the case of parallelisation of reductions.
9251         (expr_invariant_in_region_p): New.
9253         * tree-flow.h (gather_blocks_in_sese_region): Declared.
9254         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
9256 2008-04-24  Ira Rosen  <irar@il.ibm.com>
9257             Richard Guenther  <rguenther@suse.de>
9259         PR tree-optimization/36034
9260         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
9261         incapable of dealing with loads with gaps.
9263 2008-04-24  Rafael Espindola  <espindola@google.com>
9265         * tree-flow.h (vrp_evaluate_conditional): Change signature.
9266         * tree-ssa-propagate.c (fold_predicate_in): Update call to
9267         vrp_evaluate_conditional.
9268         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
9269         (vrp_evaluate_conditional): Split the cond argument.
9270         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
9271         (simplify_stmt_for_jump_threading): Update call to
9272         vrp_evaluate_conditional.
9274 2008-04-24  Ira Rosen  <irar@il.ibm.com>
9276         PR tree-optimization/35982
9277         * tree-vect-analyze.c (vect_check_interleaving): Check that the
9278         interleaved data-refs are of the same type.
9280 2008-04-24  Danny Smith  <dannysmith@users.net>
9282         * c-format.c (check_format_info_main): Use strncmp rather than a
9283         magic prefix to handle multichar length specs.
9284         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
9285         Don't prefix "I64" and "I32" with '\0'.
9287 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
9289         PR target/36015
9290         * config/i386/i386.c (init_cumulative_args): Don't pass anything
9291         in registers for -m32 only if stdarg_p (fntype).
9293 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
9295         PR rtl-optimization/36006
9296         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
9297         temp to op0 in order to avoid invalid rtx sharing.
9299 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
9301         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
9302         check TREE_INVARIANT.
9303         * tree-gimple.c (is_gimple_address): New.
9304         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
9305         * tree-gimple.h (is_gimple_address): New.
9306         * tree.h (decl_address_invariant_p): New.
9307         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
9308         (build_string): Likewise.
9309         (decl_address_invariant_p): New, from is_gimple_invariant_address.
9310         (tree_invariant_p_1): Likewise.
9311         (save_expr): Use it.
9312         (tree_invariant_p): New.
9313         (skip_simple_arithmetic): Use it.
9314         (stabilize_reference_1): Use it.
9315         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
9316         simplify.
9317         (build1_stat): Drop code to compute TREE_INVARIANT.
9318         (build2_stat): Drop code to compute TREE_INVARIANT.
9319         (build3_stat): Drop code to compute TREE_INVARIANT.
9320         (build4_stat): Drop code to compute TREE_INVARIANT.
9321         (build5_stat): Drop code to compute TREE_INVARIANT.
9322         (build7_stat): Drop code to compute TREE_INVARIANT.
9323         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
9324         * tree.h (struct tree_base): Remove invariant_flag.
9325         (TREE_INVARIANT): Remove.
9326         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
9327         (fold_builtin_expect): Check TREE_CONSTANT.
9328         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
9329         * c-tree.h (c_expr_to_decl): Drop third parameter.
9330         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
9331         (build_c_cast): Don't set TREE_INVARIANT.
9332         (pop_init_level): Don't set TREE_INVARIANT.
9333         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
9334         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
9335         TREE_CONSTANT.
9336         (gimplify_init_constructor): Don't set TREE_INVARIANT.
9337         (gimplify_addr_expr): Adjust comment.
9338         * tree-mudflap.c (mf_build_string):
9339         * print-tree.c (print_node): Don't print TREE_INVARIANT.
9340         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
9341         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
9342         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
9343         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
9344         * langhooks.h (struct lang_hooks): Drop third parameter from
9345         expr_to_decl.
9347 2008-04-23  Richard Guenther  <rguenther@suse.de>
9349         PR tree-optimization/27799
9350         PR tree-optimization/32921
9351         PR tree-optimization/32624
9352         * tree-ssa-structalias.c (merge_smts_into): Only merge the
9353         SMTs aliases and the tag itself into the solution.
9354         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
9355         merge the points-to solution back into the SMT aliases.
9356         (may_alias_p): Use alias_set_subset_of instead of
9357         aliases_conflict_p.  A pointer which points to
9358         memory with alias set zero may access any variable.
9360 2008-04-23  Richard Guenther  <rguenther@suse.de>
9362         * alias.c (alias_set_subset_of): Correctly handle asking
9363         if zero is a subset of an alias set with zero child.
9364         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
9365         (compute_flow_insensitive_aliasing): Correctly walk all
9366         pointers.  Do not unnecessarily union sets.
9368 2008-04-23  Richard Guenther  <rguenther@suse.de>
9370         PR middle-end/36021
9371         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
9373 2008-04-22  Tomas Bily  <tbily@suse.cz>
9375         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
9376         unreachable case.
9377         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
9378         NON_LVALUE_EXPR.
9379         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
9380         * tree-ssa-structalias.c (get_constraint_for): Likewise.
9381         * tree-inline.c (estimate_num_insns_1): Likewise.
9382         * varasm.c (const_hash_1, compare_constant, copy_constant)
9383         (compute_reloc_for_constant, output_addressed_constants): Likewise.
9384         * emit-rtl.c (component_ref_for_mem_expr)
9385         (set_mem_attributes_minus_bitpos): Likewise.
9386         * expr.c (highest_pow2_factor, expand_expr_real_1, )
9387         (is_aligning_offset): Likewise.
9388         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
9389         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
9390         * dojump.c (do_jump): Likewise.
9391         * builtins.c (get_pointer_alignment, get_memory_rtx)
9392         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
9393         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
9395 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
9397         PR rtl-optimization/36017
9398         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
9399         expanding the library call.
9401 2008-04-22  Ian Lance Taylor  <iant@google.com>
9403         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
9404         than size_in_bytes.
9406 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
9408         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
9409         of LR/CTR moves for Power6.
9411 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
9413         PR middle-end/36003
9414         * passes.c (init_optimization_passes): Remove
9415         pass_fast_rtl_byte_dce.
9416         
9417 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
9419         PR target/29096
9420         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
9421         builtin functions to generate faster code.
9422         (_mm_cvtpu16_ps): Ditto.
9423         (_mm_cvtpi32x2_ps): Ditto.
9425 2008-04-22  Nick Clifton  <nickc@redhat.com>
9427         * common.opt (ftree-loop-distribution): Add Optimization
9428         attribute.
9430         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
9431         (frv_expand_builtin_va_start): Likewise.
9433         * config/arm/arm.c (thumb_find_work_register): Fix location of
9434         argument register count.
9436 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
9438         Support scheduling for ColdFire V1 and V3 microarchitecture.
9439         Improve scheduling of multiplication instructions.
9441         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
9442         (mac): New instruction attribute.
9443         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
9444         (m68k_sched_mac): New variable.
9445         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
9446         Handle cfv1 and cfv3.
9447         (max_insn_size): New static variable.
9448         (struct _sched_ib): New type.
9449         (sched_ib): New static variable.
9450         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
9451         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
9452         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
9453         Update.
9454         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
9455         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
9456         new variables.  Update.
9457         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
9458         Add modeling of cfv3 instruction buffer.  Update.
9459         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
9460         * config/m68k/m68k.h (TUNE_CFV3): New macro.
9461         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
9462         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
9463         a particular reservation applies to.
9464         (type2): Reorganize attribute values.  Rename alu to alu_reg,
9465         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
9466         to mul_l and mul_w.
9467         (cf_ib_*): Simplify description of instruction buffer.
9468         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
9469         (cf_mem): Split into cf_mem1 and cf_mem2.
9470         (cf_v2_move_??): Rename to cfv12_alu_??.
9471         (cf_v2_move_l_??): Rename to cfv12_omove_??.
9472         (cf_v2_mul_??): Remove reservations.
9473         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
9474         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
9475         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
9476         appropriate place.
9477         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
9478         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
9479         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
9480         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
9481         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
9482         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
9483         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
9484         expansions of the above reservations for instructions of sizes
9485         1, 2 and 3 words.
9487 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
9489         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
9491 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
9493         * coverage.c: Include tree-pass.h.
9494         (coverage_counter_alloc): Print da_file_name to the dump file.
9496 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
9498         * sbitmap.c (sbitmap_range_empty_p): New function.
9499         * sbitmap.h (sbitmap_range_empty_p): New function.
9500         * bitmap.h: Now includes obstack.h.
9502 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
9503             Kenneth Zadeck  <zadeck@naturalbridge.com>
9505         * dbgcnt.def (ra_byte_scan): Added.
9506         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
9507         when the last hit happens for a counter.  
9508         * timevar.def (TV_DF_BYTE_LR): New variable.
9509         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
9510         * passes.c (pass_fast_rtl_byte_dce): New pass.
9511         * fwprop.c (update_df): Added mode to call df_ref_create.
9512         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
9513         DF_REF_EXTRACT_OFFSET.
9514         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
9515         DF_BYTE_LR_OUT, df_byte_lr): New macro.
9516         (df_mm): New enum.
9517         (df_ref_extract): Added mode field.
9518         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
9519         DF_REF_EXTRACT_OFFSET.
9520         (DF_REF_EXTRACT_MODE): New macro.
9521         (df_byte_lr_bb_info): New structure.
9522         (df_print_byte_regset, df_compute_accessed_bytes, 
9523         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
9524         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
9525         df_byte_lr_simulate_uses,
9526         df_byte_lr_simulate_artificial_refs_at_top,
9527         df_byte_lr_simulate_artificial_refs_at_end,
9528         df_compute_accessed_bytes): New function.
9529         (df_ref_create): Add parameter.
9530         (df_byte_lr_get_bb_info): New inline function.
9531         * df-scan.c (df_ref_record, df_uses_record,
9532         df_ref_create_structure): Added mode parameter.
9533         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
9534         df_defs_record, df_uses_record, df_get_conditional_uses,
9535         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
9536         df_entry_block_defs_collect, df_exit_block_uses_collect):
9537         Added mode parameter to calls to df_ref_record, df_uses_record,
9538         df_ref_create_structure.
9539         (df_ref_equal_p, df_ref_compare): Added test for modes.
9540         (df_ref_create_structure): Added code to set mode.  Renamed
9541         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
9542         DF_REF_EXTRACT_OFFSET.
9543         * df-core.c (df_print_byte_regset): New function.
9544         * df-byte-scan.c: New file.
9545         * df-problems.c (df_rd_transfer_function): Removed unnecessary
9546         calls to BITMAP_FREE.  
9547         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
9548         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
9549         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
9550         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
9551         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
9552         df_byte_lr_local_compute, df_byte_lr_init,
9553         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
9554         df_byte_lr_transfer_function, df_byte_lr_free, 
9555         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
9556         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
9557         df_byte_lr_simulate_uses,
9558         df_byte_lr_simulate_artificial_refs_at_top,
9559         df_byte_lr_simulate_artificial_refs_at_end): New function.
9560         * dce.c (byte_dce_process_block): New function.
9561         (dce_process_block): au is now passed in rather than computed
9562         locally.  Changed loops that look at artificial defs to not look
9563         for conditional or partial ones, because there never are any.  
9564         (fast_dce): Now is able to drive byte_dce_process_block or 
9565         dce_process_block depending on the kind of dce being done.
9566         (rest_of_handle_fast_dce): Add parameter to fast_dce.
9567         (rest_of_handle_fast_byte_dce): New function.
9568         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
9569         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
9571 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
9573         PR fortran/35019
9574         * gcc.h: Added fortran options that take arguments to
9575         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
9576         macros.
9578 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
9580         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
9581         scalarization if on the LHS and not a full access.
9583 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9585         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
9587 2008-04-18  Rafael Espindola  <espindola@google.com>
9589         * tree-vrp.c (find_case_label_index): Fix the binary search.
9590         (find_case_label_range): New.
9591         (vrp_visit_switch_stmt): Use find_case_label_range.
9592         (simplify_switch_using_ranges): Use find_case_label_range.
9594 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
9596         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
9597         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
9599 2008-04-18  Tom Tromey  <tromey@redhat.com>
9601         PR libcpp/15500:
9602         * doc/cpp.texi (Implementation-defined behavior): Mention
9603         -finput-charset.
9605 2008-04-18  Ian Lance Taylor  <iant@google.com>
9607         * fold-const.c (pointer_may_wrap_p): New static function.
9608         (fold_comparison): Add another test for pointer overflow.  Use
9609         pointer_may_wrap_p to disable some false positives.
9611 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
9612           
9613         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
9614         (fname_as_string): Match updated cpp_interpret_string prototype.
9615         (fix_string_type): Support char16_t* and char32_t*.
9616         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
9617         derivative) nodes.  Register as builtin if C++0x.
9618         (c_parse_error): Support CPP_CHAR{16,32}.
9619         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
9620         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
9621         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
9622         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
9623         CTI_CHAR32_ARRAY_TYPE>: New elements.
9624         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
9625         char32_type_node, signed_char32_type_node, char16_array_type_node,
9626         char32_array_type_node): New defines.
9627         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
9628         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
9629         (lex_string): Support CPP_STRING{16,32}, match updated
9630         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
9631         (lex_charconst): Support CPP_CHAR{16,32}.
9632         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
9633         and CPP_STRING{16,32}.
9635 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
9637         PR bootstrap/35457
9638         * aclocal.m4: Regenerate.
9639         * configure: Regenerate.
9641 2008-04-18  Jan Hubicka  <jh@suse.cz>
9643         * except.c (dw2_size_of_call_site_table,
9644         sjlj_size_of_call_site_table): Use vector API for call_site_record.
9646         * cgraphbuild.c (build_cgraph_edges): Update.
9647         * tree-pass.h: Update comment.
9648         * final.c (leaf_function_p): Update.
9649         (leaf_renumber_regs): Update.
9650         (rest_of_clean_state): Update.
9651         * omp-low.c (expand_omp_parallel): Update.
9652         * ipa-reference.c (analyze_function): Update.
9653         * reorg.c (find_end_label): Update.
9654         (optimize_skip): Update.
9655         (fill_simple_delay_slots): Update.
9656         (fill_simple_delay_slots): Update.
9657         (make_return_insns): Update.
9658         (dbr_schedule): Update.
9659         * gimple-low.c (record_vars_into): Update.
9660         * cfgbuild.c (make_edges): Update.
9661         * function.c (assign_stack_local): Update.
9662         (assign_parm_adjust_stack_rtl): Update.
9663         (locate_and_pad_parm): Update.
9664         (allocate_struct_function): Do not initialize stack_alignment_needed
9665         and preferred_stack_boundary here.
9666         (stack_protect_prologue): Update.
9667         (stack_protect_epilogue): Update.
9668         (expand_function_start): Initialize stack_alignment_needed,
9669         preferred_stack_boundary and max_jumptable_ents.
9670         (expand_function_end): Update.
9671         (free_after_compilation): Do not NULLify epilogue_delay_list.
9672         * function.h (struct rtl_data): Add stack_protect_guard,
9673         stack_alignment_needed,
9674         preferred_stack_boundary, epilogue_delay_list.
9675         (struct function): Remove value_histograms, stack_alignment_needed,
9676         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
9677         last_label_uid,
9678         unexpanded_var_list, stack_protect_guard.
9679         (current_function_epilogue_delay_list): Remove.
9680         * ipa-type-escape.c (analyze_function): Update.
9681         * gimplify.c (pop_gimplify_context): Update comment.
9682         * calls.c (expand_call): Update.
9683         (emit_library_call_value_1): Update.
9684         * except.c (set_nothrow_function_flags): Update.
9685         * cfgexpand.c (get_decl_align_unit): Update.
9686         (create_stack_guard): Update.
9687         (estimated_stack_frame_size): Update.
9688         (expand_used_vars): Update.
9689         (tree_expand_cfg): Free histogram earliers, init expansion variables.
9690         * explow.c (allocate_dynamic_stack_space): Update.
9691         * tree-ssa-live.c (remove_unused_locals): Update.
9692         * varasm.c (mark_constant_pool): Update.
9693         * tree-inline.c (remap_decls): Update.
9694         (initialize_cfun): Update.
9695         (declare_return_variable): Update.
9696         (inline_forbidden_p): Update.
9697         (expand_call_inline): Update.
9698         (declare_inline_vars): Update.
9699         (tree_function_versioning): Update.
9700         * tree-flow.h (value_histograms): New.
9701         (VALUE_HISTOGRAMS): New macro.
9702         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
9703         last_label_uid.
9704         * tree-cfg.c (set_bb_for_stmt): Update.
9705         (replace_by_duplicate_decl): Update.
9706         (move_block_to_fn): Update.
9707         (new_label_mapper): Update.
9708         (dump_function_to_file): Update.
9709         * ipa-struct-reorg.c (build_data_structure): Update.
9710         * cfgrtl.c (print_rtl_with_bb): Update.
9711         * reload1.c (reload): Update.
9712         (reload): Update.
9713         * config/i386/i386.c (setup_incoming_varargs_64,
9714         ix86_compute_frame_layout): Update.
9715         * config/arc/arc.c (arc_output_function_epilogue): Update.
9717 2008-04-18  Marius Strobl <marius@FreeBSD.org>
9719         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
9720         for FreeBSD as well.
9721         * gthr-posix95.h: Likewise.
9723 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
9725         PR rtl-optimization/35838
9726         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
9727         out the byte offset of the first subreg.
9729 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
9731         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
9732         to split_ti instead of three separate calls with single member arrays.
9733         (subti3 splitter): Ditto.
9734         (adddi3 splitter): Ditto with split_di.
9735         (subdi3 splitter): Ditto.
9736         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
9737         two separate calls with single member arrays.  Swap match_dup
9738         operands 1 and 2 to better fit into the array.
9739         (negdi2 splitter): Ditto with split_di.
9740         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
9741         two separate calls with single member arrays.  Swap match_dup operands
9742         6 and 7 to better fit into the array.
9744 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
9746         * config/i386/i386.c (sse_builtin_type): New.
9747         (bdesc_sse_args): Likewise.
9748         (bdesc_sse_3arg): Removed.
9749         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
9750         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
9751         IX86_BUILTIN_ROUNDPS.
9752         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
9753         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
9754         IX86_BUILTIN_ROUNDPS.
9755         (ix86_expand_sse_4_operands_builtin): Removed.
9756         (ix86_expand_sse_operands_builtin): New.
9757         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
9758         and CODE_FOR_sse4_1_roundps.
9759         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
9760         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
9762 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
9764         PR target/35907
9765         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
9766         regs before frame pop when needed.  If use_backchain_to_restore_sp
9767         then load backchain into a temp reg to restore vr and vrsave.  Add
9768         code to restore vr after frame pop if possible.
9770 2008-04-17  Richard Guenther  <rguenther@suse.de>
9772         * tree-vn.c (expressions_equal_p): Do not check type
9773         equality or compatibility before calling operand_equal_p.
9774         * fold-const.c (operand_equal_p): Check equivalence of
9775         integer constants before bailing out due to signedness or
9776         precision differences.
9777         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
9778         spurious differences in type qualification.  Ignore types
9779         for COMPONENT_REFs at all.
9781 2008-04-17  Christian Bruel  <christian.bruel@st.com>
9783         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
9784         msw_skip comparison.
9785         
9786 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
9788         PR c/35739
9789         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
9790         reg type.
9792         PR tree-optimization/35899
9793         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
9794         rather than TREE_OPERAND.
9796 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
9798         PR target/35944
9799         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
9800         temporary registers.  Change operand predicate to general_operand.
9801         (remainderxf3): Ditto.
9803 2008-04-16  Richard Guenther  <rguenther@suse.de>
9805         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
9806         * tree-affine.c (aff_combination_expand): Look through some
9807         conversions.
9809 2008-04-15  Doug Kwan  <dougkwan@google.com>
9811         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
9812         for hex printing.
9813         * tree-pretty-print.c (dump_generic_node): Ditto.
9814         * final.c (output_addr_const): Ditto.
9815         * dwarf2out.c (output_cfi): Ditto.
9816         * c-pretty-print.c (pp_c_integer_constant): Ditto.
9817         * print-rtl.c (print_rtx): Ditto.
9818         * print-tree.c (print_node_brief, print_node): Ditto.
9819         * c-common.c (match_case_to_enum_1): Ditto.
9820         * sched-vis.c (print_value): Ditto.
9821         * config/i386/i386.c (print_operand): Cast to long unsigned int
9822         for hex printing.
9824 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
9825         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
9826         MS Windows VirtualProtect function.
9828 2008-04-15  Jan Hubicka  <jh@suse.cz>
9830         * gengtype.c (write_root): Param_is argument is OK.
9831         * expr.c (expand_expr_real_1): Update call of get_exception_*.
9832         * function.h: Include varray.h
9833         (rtl_eh): New stucture based on except.c one.
9834         (call_site_record): New forward declaration and vector type.
9835         * calls.c (emit_call_1): Do not call
9836         note_current_region_may_contain_throw.
9837         * except.c (eh_status): Remove cur_region, try_region since they are
9838         unused.
9839         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
9840         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
9841         sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
9842         Remove call_site_data_used, call_site_data_size.
9843         Turn call_site_record into vector in function.h.
9844         (note_current_region_may_contain_throw): Remove.
9845         (get_exception_pointer, get_exception_filter): Do not take struct
9846         function argument; update.
9847         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
9848         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
9849         build_post_landing_pads, dw2_build_landing_pads,
9850         sjlj_assign_call_site_values, sjlj_mark_call_sites,
9851         sjlj_emit_function_enter, sjlj_emit_function_enter, 
9852         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
9853         sjlj_build_landing_pads, finish_eh_generation,
9854         remove_exception_handler_label, remove_eh_handler,
9855         maybe_remove_eh_handler, add_reachable_handler,
9856         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
9857         add_action_record, collect_one_action_chain, add_call_site,
9858         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
9859         sjlj_output_call_site_table, output_function_exception_table,
9860         * except.h (note_current_region_may_contain_throw): Remove
9861         (get_exception_pointer, get_exception_filter): Do not take struct
9862         function argument.
9863         * Makefile.in (GTFILES): Put varargs before struct function.
9865 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
9867         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
9868         punt for STRING_CST.
9869         (get_constraint_for): Deal with STRING_CST here instead.
9871 2008-04-15  Richard Guenther  <rguenther@suse.de>
9873         * tree-ssa-propagate.c (substitute_and_fold): Substitute
9874         statements in a basic-block with a backward walk.  Do not
9875         substitute into dead statements but instead remove those.
9877 2008-04-15  Richard Guenther  <rguenther@suse.de>
9879         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
9880         to zero, thus disable creation of SFTs.
9882 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
9884         * tree-predcom.c (suitable_reference_p): Return false if the
9885         reference can throw.
9887 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
9889         PR c/35751
9890         * c-decl.c (finish_decl): If extern or static var has variable
9891         size, set TREE_TYPE (decl) to error_mark_node.
9893 2008-04-15  Rafael Espindola  <espindola@google.com>
9895         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
9896         variable arg1.
9898 2008-04-15  Richard Guenther  <rguenther@suse.de>
9900         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
9901         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
9902         (visit_reference_op_load): Do walk vuse-vdef chains on
9903         vn_reference_lookup.
9904         (visit_reference_op_store): But do not here.
9905         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
9906         vn_reference_lookup.
9907         (vn_lookup_with_vuses): But do so here.
9909 2008-04-14  Ian Lance Taylor  <iant@google.com>
9911         * fold-const.c (fold_overflow_warning): Remove assertion.
9913 2008-04-15  Ben Elliston  <bje@au.ibm.com>
9915         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
9916         temp1 local variables.
9918 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
9920         PR target/35661
9921         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
9922         ".text.unlikely" section as executable.
9924 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
9926         * config/ia64/ia64.c (rtx_needs_barrier): Handle
9927         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
9928         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
9929         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
9930         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
9931         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
9932         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
9934 2008-04-14  Ian Lance Taylor  <iant@google.com>
9936         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
9937         * fold-const.c (fold_comparison): If appropriate, test
9938         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
9939         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
9940         reassociating a pointer type.
9941         * doc/invoke.texi (Optimize Options): Document that
9942         -fstrict-overflow applies to pointer wraparound.
9944 2008-04-13  Jan Hubicka  <jh@suse.cz>
9946         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
9948 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
9950         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
9951         we are going to "save the world".
9953 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
9955         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
9956         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
9957         operand 0 constraint, not "=".
9959 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
9961         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
9963 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
9965         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
9966         of size of positions_needed * CHAR_BIT.
9968 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
9970         PR middle-end/35897
9971         * dse.c (store_info): Change positions_needed to unsigned
9972         HOST_WIDE_INT.
9973         (lowpart_bitmask): New.
9974         (record_store): Cast to unsigned HOST_WIDE_INT for
9975         positions_needed.  Assert width <= size of positions_needed *
9976         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
9977         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
9978         lowpart_bitmask to set mask.
9980 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
9982         * config/bfin/constraints.md: New file.
9983         * config/bfin/bfin.md: Include it.
9984         (adddi3): Use satisfies_constraint functions instead of the old macros.
9985         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
9986         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
9987         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
9988         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
9989         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
9990         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
9991         EXTRA_CONSTRAINT): Delete.
9992         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
9993         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
9994         of the old macros.
9995         * config/bfin/bfin.c: Include "tm-constrs.h".
9996         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
9997         Use satisfies_constraint functions instead of the old macros.
9998         * doc/md.texi (Blackfin Constraints): Update file name reference.
10000 2008-04-11  Richard Guenther  <rguenther@suse.de>
10002         PR tree-optimization/35869
10003         * tree-vrp.c (execute_vrp): Move switch statement update after
10004         jump threading.  Schedule another cfg cleanup run.
10006 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
10008         PR c/35744
10009         * attribs.c (decl_attributes): Return early on errorneous node.
10011 2008-04-10  Oleg Ryjkov  <olegr@google.com>
10013         * tree.h (struct tree_base): Added a new flag default_def_flag.
10014         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
10016 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
10018         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
10020 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10022         PR target/35768
10023         * pa.md: Define mode iterator P.  Define mode attribute dwc.
10024         (dcacheflush): Update pattern to use iterator P and attribute dwc.
10025         (icacheflush): Likewise.
10026         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
10027         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
10029 2008-04-11  Ben Elliston  <bje@au.ibm.com>
10031         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
10033 2008-04-10  Rafael Espindola  <espindola@google.com>
10035         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
10036         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
10037         (extract_range_from_expr): The same.
10039 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
10041         * config/mips/mips.md (GPR2): New mode iterator.
10042         (seq): Add comment.
10043         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
10044         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
10045         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
10046         Rewrite these to take two modes, the mode of comparison and the
10047         mode of the destination.
10048         * config/mips/mips.c (mips_expand_scc): Instead of having
10049         paradoxical subreg as destination, expand "narrowing" scc if mode
10050         of comparison is SI and target is requested in DI mode.
10051         (mips_emit_int_order_test): Update comment.  Make mode of
10052         comparison match CMP0 rather than TARGET.  When creating inverse
10053         target use mode of TARGET.
10055 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
10057         * gcov-dump.c (tag_summary): Only print summaries for the first
10058         GCOV_COUNTERS_SUMMABLE counters.
10060 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
10062         * config/i386/i386.md (absneg): New code iterator.
10063         (absnegprefix): New code attribute.
10064         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
10065         patterns using absneg code iterator.
10066         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
10067         using absneg code iterator.
10068         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
10069         *neg<mode>2 patterns using absneg code iterator.
10070         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
10071         *negextendsfdf2 patterns using absneg code iterator.
10072         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
10073         *negextendsfxf2 patterns using absneg code iterator.
10074         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
10075         *negextendsfdf2 patterns using absneg code iterator.
10076         * config/i386/sse.md (<code><mode>2): Macroize expander from
10077         abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 
10079 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
10081         * config/s390/s390.h: Remove the remains of the recent search
10082         & replace action of current_function_outgoing_args_size.
10084 2008-04-10  Ira Rosen  <irar@il.ibm.com>
10086         PR tree-optimization/35821
10087         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
10088         NEW_STMT_LIST is not NULL.
10090 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
10092         PR libstdc++/35597
10093         * toplev.c (process_options): Remove -ffunction-sections debugging
10094         warning.
10096 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
10098         PR middle-end/PR28690
10099         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
10100         than gen_rtx_fmt_ee to perform more canonicalizations.
10102 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10104         PR driver/35665
10105         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
10107 2008-04-09  Richard Guenther  <rguenther@suse.de>
10109         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
10110         (dump_function_to_file): Dump function arguments with types.
10112 2008-04-08  Richard Guenther  <rguenther@suse.de>
10114         * fold-const.c (fold_widened_comparison): Do not allow
10115         sign-changes that change the result.
10117 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
10119         PR target/35839
10120         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
10121         kinds of indirect references.
10123 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
10125         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
10126         GNU Fortran language string.
10128 2008-04-08  Rafael Espindola  <espindola@google.com>
10130         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
10131         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
10132         * tree.h (tree_call_nonnegative_warnv_p): New.
10134 2008-04-08  Jan Hubicka  <jh@suse.cz>
10136         * function.c (free_after_compilation): Clear out regno_reg_rtx
10137         pointer.
10139 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
10141         Revert
10142         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
10144         PR middle-end/PR28690
10145         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
10146         same precedence as REG_POINTER and MEM_POINTER operands.
10148 2008-04-08  Richard Guenther  <rguenther@suse.de>
10150         PR middle-end/35834
10151         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
10152         for adding index to base.
10154 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
10156         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
10157         (MINGW_ENABLE_EXECUTE_STACK): New.
10158         (IN_LIBGCC2): For libgcc include windows.h file for
10159         function declarations.
10161 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
10163         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
10164         and tem2 if tem1 is not a REG or MULT.
10166 2008-04-08  Jan Hubicka  <jh@suse.cz>
10168         * function.h (incomming_args): Break out of struct function.
10169         (function_subsections): Break out of struct function.
10170         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
10171         return_rtx and hard_reg_initial_vals from struct function.
10172         Kill inl_max_label_num.
10173         (current_function_pops_args, current_function_args_info,
10174         current_function_args_size, current_function_args_size,
10175         current_function_pretend_args_size,
10176         current_function_outgoing_args_size,
10177         current_function_internal_arg_pointer, current_function_return_rtx):
10178         Kill compatibility accestor macros.
10179         * builtins.c (expand_builtin_apply_args_1): Update.
10180         (expand_builtin_next_arg): Update.
10181         * df-scan.c (df_get_call_refs): Update.
10182         * dbxout.c (dbxout_function_end): Update.
10183         * dwarf2out.c (dwarf2out_switch_text_section): Update.
10184         (output_line_info): Update.
10185         (secname_for_decl): Update.
10186         (dwarf2out_var_location): Update.
10187         * function.c (free_after_compilation): Update.
10188         (assign_parm_find_stack_rtl): Update.
10189         (assign_parms): Update.
10190         (expand_dummy_function_end): Update.
10191         (expand_function_end): Update.
10192         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
10193         (expand_call): Update.
10194         (emit_library_call_value_1): Update.
10195         (store_one_arg): Update.
10196         * varasm.c (initialize_cold_section_name): Update.
10197         (unlikely_text_section): Update.
10198         (unlikely_text_section_p): Update.
10199         (assemble_start_function): Update.
10200         (assemble_end_function): Update.
10201         (default_section_type_flags): Update.
10202         (switch_to_section): Update.
10203         * integrate.c (set_decl_abstract_flags): Update.
10204         (get_hard_reg_initial_val): Update.
10205         (has_hard_reg_initial_val): Update.
10206         (allocate_initial_values): Update.
10207         * resource.c (init_resource_info): Update.
10208         * config/alpha/alpha.c (NUM_ARGS): Update.
10209         (direct_return): Update.
10210         (alpha_va_start): Update.
10211         (alpha_sa_size): Update.
10212         (alpha_initial_elimination_offset): Update.
10213         (alpha_expand_prologue): Update.
10214         (alpha_start_function): Update.
10215         (alpha_expand_epilogue): Update.
10216         (unicosmk_initial_elimination_offset):
10217         * config/alpha/alpha.md (call expander): Update.
10218         * config/s390/s390.c (s390_register_info): Update.
10219         (s390_register_info): Update.
10220         (s390_frame_info): Update.
10221         (s390_initial_elimination_offset): Update.
10222         (s390_build_builtin_va_list): Update.
10223         (s390_va_start): Update.
10224         * config/spu/spu.c (direct_return): Update.
10225         (spu_expand_prologue): Update.
10226         (spu_initial_elimination_offset): Update.
10227         (spu_build_builtin_va_list): Update.
10228         (spu_va_start): Update.
10229         * config/sparc/sparc.c (sparc_init_modes): Update.
10230         (sparc_compute_frame_size): Update.
10231         (function_value): Update.
10232         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
10233         * config/i386/i386.md (return expander): Update.
10234         * config/i386/i386.c (ix86_va_start): Update.
10235         (ix86_can_use_return_insn_p): Update.
10236         (ix86_compute_frame_layout): Update.
10237         (ix86_expand_epilogue): Update.
10238         * config/sh/sh.c (output_stack_adjust): Update.
10239         (calc_live_regs): Update.
10240         (sh_expand_prologue): Update.
10241         (sh_builtin_saveregs): Update.
10242         (sh_va_start): Update.
10243         (initial_elimination_offset): Update.
10244         (sh_allocate_initial_value): Update.
10245         (sh_function_ok_for_sibcall): Update.
10246         (sh_get_pr_initial_val): Update.
10247         * config/sh/sh.md (return expander): Update.
10248         * config/avr/avr.c (frame_pointer_required_p): UPdate.
10249         * config/crx/crx.c (crx_compute_frame): UPdate.
10250         (crx_initial_elimination_offset): UPdate.
10251         * config/xtensa/xtensa.c (compute_frame_size): Update
10252         (xtensa_builtin_saveregs): Update.
10253         (xtensa_va_start): Update.
10254         (order_regs_for_local_alloc): Update.
10255         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
10256         (xstormy16_expand_builtin_va_start): Update.
10257         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
10258         * config/m68hc11/m68hc11.md (return expanders): Update.
10259         * config/m68hc11/m68hc11.c (expand_prologue): Update.
10260         (expand_epilogue): Update.
10261         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
10262         (cris_simple_epilogue): Update.
10263         (cris_expand_prologue): Update.
10264         (cris_expand_epilogue): Update.
10265         * config/iq2000/iq2000.c (iq2000_va_start): Update.
10266         (compute_frame_size): Update.
10267         * config/mt/mt.c (mt_compute_frame_size): Update.
10268         * config/mn10300/mn10300.c (expand_prologue): Update.
10269         (expand_epilogue): Update.
10270         (initial_offset): Update.
10271         (mn10300_builtin_saveregs):
10272         * config/mn10300/mn10300.md (return expander): Update.
10273         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
10274         (ia64_initial_elimination_offset): Update.
10275         (ia64_initial_elimination_offset): Update.
10276         (ia64_expand_prologue): Update.
10277         * config/m68k/m68k.md (return expander): Update.
10278         * config/rs6000/rs6000.c (rs6000_va_start): Update.
10279         (rs6000_stack_info): Update.
10280         * config/mcore/mcore.c (layout_mcore_frame): Update.
10281         (mcore_expand_prolog): Update.
10282         * config/arc/arc.c (arc_compute_frame_size): Update.
10283         * config/score/score3.c (score3_compute_frame_size): Update.
10284         * config/score/score7.c (score7_compute_frame_size): Update.
10285         * config/arm/arm.c (use_return_insn): Update.
10286         (thumb_find_work_register): Update.
10287         (arm_compute_save_reg_mask): Update.
10288         (arm_output_function_prologue): Update.
10289         (arm_output_epilogue): Update.
10290         (arm_size_return_regs): Update.
10291         (arm_get_frame_offsets): Update.
10292         (arm_expand_prologue): Update.
10293         (thumb_exit): Update.
10294         (thumb_unexpanded_epilogue): Update.
10295         (thumb1_output_function_prologue): Update.
10296         * config/pa/pa.md (return expander): Update.
10297         * config/pa/pa.c (compute_frame_size): Update.
10298         (hppa_builtin_saveregs): Update.
10299         * config/mips/mips.c (mips_va_start): Update.
10300         (mips16_build_function_stub): Update.
10301         (mips_compute_frame_info): Update.
10302         (mips_restore_gp): Update.
10303         (mips_output_function_prologue): Update.
10304         (mips_expand_prologue): Update.
10305         * config/v850/v850.c (compute_frame_size): Update.
10306         (expand_prologue): * config/mmix/mmix.c (along): update.
10307         (mmix_initial_elimination_offset): update.
10308         (mmix_reorg): update.
10309         (mmix_use_simple_return): update.
10310         (mmix_expand_prologue): update.
10311         (mmix_expand_epilogue): Update.
10312         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
10313         (emit_link_insn): Update.
10315 2008-04-08  Anatoly Sokolov <aesok@post.ru>
10317         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
10318         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
10319         instructions.
10320         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
10321         atmega103 device.
10323 2008-04-07  Jan Hubicka  <jh@suse.cz>
10325         * function.h (rtl): Rename to x_rtl.
10326         (crtl): New define.
10327         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
10328         frame_offset, stack_check_probe_note, arg_pointer_save_area,
10329         used_temp_slots avail_temp_slots, temp_slot_level,
10330         nonlocal_goto_handler_labels): Update accesstors.
10331         (rtl): New global variable.
10332         (struct function): Move some fileds to rtl_data.
10333         (get_arg_pointer_save_area): Update prototype.
10334         * builtins.c (expand_builtin_setjmp_receiver): Update call of
10335         get_arg_pointer_save_area.
10336         * expr.c (init_expr): Update
10337         * function.c (get_frame_size): Update
10338         (assign_stack_local): Update
10339         (expand_function_end): Update.
10340         (get_art_pointer_save_area): Update
10341         * function.h 
10342         * emit-rtl.c (rtl): Declare.
10343         (regno_reg_rtx): Declare.
10344         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
10345         Update.
10346         (gen_reg_rtx): Update.
10347         * varasm.c (n_deferred_constatns): Update accestor.
10348         (init_varasm_status): Do not allocate varasm_status.
10349         (force_const_mem, get_pool_size, output_constant_pool): Update.
10350         * stmt.c (force_label_rtx): Do not use x_ prefixes.
10351         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
10352         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
10353         * sparc/sparc.h (INIT_EXPANDERS): Update.
10354         * ia64/ia64.h (INIT_EXPANDERS): Update.
10356 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
10358         * reload.c (push_secondary_reload): Add missing break to for loop.
10360 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
10362         PR middle-end/PR28690
10363         * rtlanal.c: Update copyright years.
10364         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
10365         as REG_POINTER and MEM_POINTER operands.
10366         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
10367         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
10368         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
10369         * gcse.c: Update copyright years.
10370         (pre_delete): Call gen_reg_rtx_and_attrs.
10371         (hoist_code): Likewise.
10372         (build_store_vectors): Likewise.
10373         (delete_store): Likewise.
10374         * loop-invariant.c (move_invariant_reg): Likewise.
10375         Update copyright years.
10377 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
10379         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
10380         control string instead of quoted.
10382 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
10384         * doc/rtl.texi: Rewrite of subreg section.
10386 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
10388         PR/35842
10389         * config/i386/i386.c (legitimize_pic_address): Add treating
10390         of dllimport SYM_REF's.
10391         (legitimize_dllimport_symbol): Add prototype.
10393 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
10395         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
10396         reference in constructor with non self-referential type.
10398 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
10400         Removal of Return with Depressed Stack Pointer support
10401         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
10402         (ECF_SP_DEPRESSED): Likewise.
10403         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
10404         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
10405         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
10406         (expand_call): Do not test ECF_SP_DEPRESSED.
10407         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
10408         * function.c (keep_stack_depressed): Delete.
10409         (handle_epilogue_set): Likewise.
10410         (update_epilogue_consts): Likewise.
10411         (emit_equiv_load): Likewise.
10412         (thread_prologue_and_epilogue_insns): Remove support for Return with
10413         Depressed Stack Pointer.
10414         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
10416 2008-04-06  Richard Guenther  <rguenther@suse.de>
10418         PR tree-optimization/35400
10419         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
10420         information from SSA_NAMEs.
10422 2008-04-06  Anatoly Sokolov <aesok@post.ru>
10424         * config/avr/avr.h (avr_mega_p): Remove declaration.
10425         (AVR_MEGA): Remove macro.
10426         * config/avr/avr.c (avr_mega_p): Remove variable.
10427         (avr_override_options): Remove inicializion of avr_mega_p.
10428         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
10429         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
10430         (avr_jump_mode): (Ditto.).
10431         (avr_output_progmem_section_asm_op): (Ditto.).
10432         (avr_asm_init_sections): (Ditto.).
10433         (avr_asm_init_sections): (Ditto.).
10434         (avr_rtx_costs): (Ditto.).
10435         * config/avr/avr.md: (Ditto.).
10436         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
10437         '__AVR_MEGA__'.
10439 2008-04-06  Richard Guenther  <rguenther@suse.de>
10441         PR tree-optimization/35842
10442         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
10443         is_gimple_invariant_address.
10445 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
10447         * gcc.c (default_compilers): Sync Fortran extensions list with
10448         that in fortran/lang-specs.h.
10449         * doc/invoke.texi: Likewise.
10450         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
10451         * dwarf2out.c (gen_compile_unit_die): Likewise.
10453 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
10455         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
10457 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
10459         PR target/12329
10460         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
10461         attribute is used for nested functions.
10463 2008-04-05  Jan Hubicka  <jh@suse.cz>
10465         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
10467         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
10468         letter argument.
10469         (dump_files): Update.
10470         (enable_rtl_dump_file): Do not accept letter argument.
10471         * tree-pass.h (dump_file_info): Remove letter argument.
10472         * toplev.c (decode_d_option): Update -da handling.
10473         * toplev.h (enable_rtl_dump_file): Update prototype.
10474         * passes.c (register_one_dump_file): Do not accept IPA argument; work
10475         it out based on pass type.
10476         (register_dump_files_1): Likewise.
10477         (init_optimization_passes): Update register_one_dump_file calls.
10478         (execute_one_pass): Sanity check that IPA passes are called at IPA
10479         level and RTL passes at RTL level.
10480         (execute_pass_list): IPA pass can not be after or subpass of
10481         GIMPLE/RTL pass.
10482         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
10483         disallov RTL subpasses of IPA subpasses.
10485 2008-04-05  Ben Elliston  <bje@au.ibm.com>
10487         * tree-cfg.c (need_fake_edge_p): Return false for calls to
10488         builtins that return exactly once and do not throw. Cache call to
10489         call_expr_flags.
10491 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
10493         PR rtl-optimization/34916
10494         PR middle-end/35519
10495         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
10496         between instruction pairs.
10498 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
10500         * doc/invoke.texi: Document -mbitops for SH.
10501         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
10502         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
10503         * config/sh/sh.c (print_operand): Add %t operand code.
10504         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
10505         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
10506         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
10507         (extendqihi2): Likewise.
10508         (movqi_i): Likewise.
10509         (insv): Use bset, bclr and bst instructions for SH2A if possible.
10510         (extv): Use bld instruction for SH2A if possible.
10511         (extzv): Likewise.
10512         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
10513         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
10514         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
10515         (bset.b, bclr.b): Define peepholes.
10516         * config/sh/sh.opt (mbitops): New option.
10518 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
10520         PR target/35620
10521         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
10522         and view convert expression.
10524 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
10526         PR target/35364
10527         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
10529 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
10531         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
10533         * config/i386/cpuid.h (bit_AES): New.
10534         (bit_PCLMUL): Likewise.
10536         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
10537         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
10538         SSE2 if AES or PCLMUL is enabled.
10539         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
10540         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
10541         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
10542         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
10543         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
10544         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
10545         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
10546         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
10547         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
10548         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
10549         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
10550         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
10551         __builtin_ia32_aeskeygenassist128 and
10552         __builtin_ia32_pclmulqdq128.
10553         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
10554         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
10555         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
10557         * config/i386/i386.h (TARGET_AES): New.
10558         (TARGET_PCLMUL): Likewise.
10559         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
10561         * config/i386/i386.md (UNSPEC_AESENC): New.
10562         (UNSPEC_AESENCLAST): Likewise.
10563         (UNSPEC_AESDEC): Likewise.
10564         (UNSPEC_AESDECLAST): Likewise.
10565         (UNSPEC_AESIMC): Likewise.
10566         (UNSPEC_AESKEYGENASSIST): Likewise.
10567         (UNSPEC_PCLMUL): Likewise.
10569         * config/i386/i386.opt (maes): New.
10570         (mpclmul): Likewise.
10572         * config/i386/sse.md (aesenc): New pattern.
10573         (aesenclast): Likewise.
10574         (aesdec): Likewise.
10575         (aesdeclast): Likewise.
10576         (aesimc): Likewise.
10577         (aeskeygenassist): Likewise.
10578         (pclmulqdq): Likewise.
10580         * config/i386/wmmintrin.h: New.
10582         * doc/extend.texi: Document AES and PCLMUL built-in function.
10584         * doc/invoke.texi: Document -maes and -mpclmul.
10586 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
10588         * function.c (free_after_parsing): Replace with
10589         cxx_push_function_context from C++ front-end.
10590         (allocate_struct_function): Don't call langhook.
10591         * langhooks.h (struct lang_hooks_for_functions): Delete.
10592         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
10593         member "function".
10594         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
10595         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
10596         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
10597         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
10598         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
10599         remove LANG_HOOKS_FUNCTION_INITIALIZER.
10600         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
10602         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
10603         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
10604         
10605 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
10607         PR c/35440
10608         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
10609         for all types.
10611 2008-04-04  Richard Guenther  <rguenther@suse.de>
10613         PR middle-end/35823
10614         * fold-const.c (optimize_minmax_comparison): Use the correct
10615         type for the constant in the simplified comparison.
10617 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
10619         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
10620         Pass L2 size as "--param l2-cache-size" to the compiler.
10621         (decode_l2_cache): New function to decode L2 cache parameters using
10622         0x8000006 extended cpuid function.
10623         (detect_caches_amd): Determine parameters of L2 cache using
10624         decode_l2_caches function.
10625         (decode_caches_intel): Decode L2 cache parameters.
10626         (detect_caches_intel): Determine L2 cache parameters using
10627         decode_caches_intel and decode_l2_caches functions.
10629 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
10631         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
10632         secondary input reload for subword loads from the constant pool.
10634 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
10636         PR target/35713
10637         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
10638           constants of the appropriate size for runtime calculations.
10640         PR c/35712
10641         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
10642           decimal-float literal constant zero.
10644 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
10646         PR c/35738
10647         * c-parser.c (c_parser_omp_atomic): Call
10648         default_function_array_conversion on the RHS.
10650         PR middle-end/35818
10651         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
10652         call is_variable_sized if decl has incomplete type.
10654 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
10656         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
10658 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
10660         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
10661         iterators.
10662         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
10663         (sgt<u>): Merge sgt and sgtu into new expander.
10664         (sgt, sgtu): Remove expanders.
10665         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
10666         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
10667         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
10668         *sgtu_<mode>_mips16 into new pattern.
10669         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
10670         (sge<u>): Merge sge and sgeu into new expander.
10671         (sge, sgeu): Remove expanders.
10672         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
10673         new pattern.
10674         (*sge_<mode>, second *sge_<mode>): Remove patterns.
10675         (slt<u>): Merge slt and sltu into new expander.
10676         (slt, sltu): Remove expanders.
10677         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
10678         (*slt_<mode>, *sltu_<mode>): Remove patterns.
10679         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
10680         *sltu_<mode>_mips16 into new pattern.
10681         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
10682         (sle<u>): Merge sle and sleu into new expander.
10683         (sle, sleu): Remove expanders.
10684         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
10685         (*sle_<mode>, *sleu_<mode>): Remove patterns.
10686         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
10687         *sleu_<mode>_mips16 into new pattern.
10688         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
10690 2008-04-03  Jan Hubicka  <jh@suse.cz>
10692         PR tree-optimization/35795
10693         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
10694         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
10695         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
10696         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
10697         * score/score3.c (score3_output_mi_thunk): Likewise.
10698         * score/score7.c (score7_output_mi_thunk): Likewise.
10699         * mips/mips.c (mips_output_mi_thunk): Likewise.
10701 2008-04-03  Richard Guenther  <rguenther@suse.de>
10703         * tree-vrp.c (extract_range_from_unary_expr): Handle all
10704         conversions.  Simplify code.
10706 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
10708         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
10710 2008-04-03  Tom Tromey  <tromey@redhat.com>
10711             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10713         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
10714         * config/bfin/t-bfin-linux (generated_files): Add
10715         linux-sysroot-suffix.h.
10716         * doc/install.texi (Prerequisites): Require make 3.80.
10717         * doc/sourcebuild.texi (Front End Directory): Document new
10718         variable.
10719         * Makefile.in (generated_files): New variable.
10720         (ALL_HOST_OBJS): New variable.
10721         ($(ALL_HOST_OBJS)): New target.
10723 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
10725         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
10726         (remap_block): Call id->transform_lang_insert_block instead
10727         of langhook.
10728         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
10729         Set id.transform_lang_insert_block to NULL.
10730         (clone_body): Move to cp/optimize.c
10731         * tree-inline.h (struct copy_body_data): Change
10732         transform_lang_insert_block to function pointer.
10733         (copy_generic_body, copy_decl_no_change): Export.
10734         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
10735         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
10736         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
10738         * c-tree.h (insert_block): Kill.
10739         * c-decl.c (insert_block): Kill.
10741 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
10743         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
10744         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
10745         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
10746         argument.
10747         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
10748         argument, call {push,pop}_function_context from here.
10749         * c-parser.c: Use c_{push,pop}_function_context.
10751         * function.c (push_function_context_to): Move meat ...
10752         (push_function_context): ... here.  Simplify.
10753         * function.c (pop_function_context_from): Move meat ...
10754         (pop_function_context): ... here.  Simplify.
10755         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
10756         leave_nested).
10757         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
10758         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
10759         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
10760         * tree.h (push_function_context_to, pop_function_context_from): Remove.
10762 2008-04-03  Ben Elliston  <bje@au.ibm.com>
10764         * expmed.c (extract_force_align_mem_bit_field): Remove.
10766 2008-04-03  Richard Guenther  <rguenther@suse.de>
10768         PR middle-end/35800
10769         * expr.h (try_casesi): Adjust prototype.
10770         * expr.c (try_casesi): Take fallback label as extra parameter.
10771         Use that for gen_casesi if default_label is NULL.
10772         * stmt.c (expand_case): Pass fallback label to try_casesi,
10773         make sure to fill gaps with a fallback label if default_label
10774         is not present.
10776 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
10778         PR target/35801
10779         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
10781 2008-04-03  Ben Elliston  <bje@au.ibm.com>
10783         * expmed.c (extract_split_bit_field): Remove if (0) code.
10784         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
10785         (do_ds_constraint): Likewise.
10787 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
10789         * doc/cppopts.texi (-dU): Document.
10790         * c-common.h (flag_dump_macros): Update comment.
10791         * c-opts.c (handle_OPT_d): Handle -dU.
10792         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
10793         dump_queued_macros, cb_used_define, cb_used_undef): New.
10794         (init_pp_output): Handle -dU.
10795         (cb_line_change): Call dump_queued_macros.
10796         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
10798 2008-04-02  Anatoly Sokolov <aesok@post.ru>
10800         * config/avr/predicates.md (io_address_operand): New predicate. 
10801         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
10802         * config/avr/avr.c (avr_io_address_p): Remove function.
10803         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
10804         'avr_io_address_p' function.
10805         (out_movhi_r_mr): (Ditto.).
10806         (out_movqi_mr_r): (Ditto.).
10807         (out_movhi_mr_r): (Ditto.).
10808         (avr_address_cost): (Ditto.).
10810 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
10812         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
10813         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
10814         in 32bit mode when XMM registers are available to avoid store
10815         forwarding stalls.
10816         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
10817         corresponding post-reload splitters.
10819 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
10821         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
10822         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
10823         __builtin_ia32_roundss.
10824         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
10825         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
10826         __builtin_ia32_roundss.
10827         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
10828         IX86_BUILTIN_SHUFPD here.
10830 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
10832         * config/i386/i386.md (plogic): New.
10833         (plogicprefix): Likewise.
10835         * config/i386/mmx.md (mmx_<code><mode>3): New.
10836         (mmx_and<mode>3): Removed.
10837         (mmx_ior<mode>3): Likewise.
10838         (mmx_xor<mode>3): Likewise.
10840         * config/i386/sse.md (<code><mode>3): New.
10841         (*<code><mode>3): Likewise.
10842         (*<code><mode>3): Likewise.
10843         (<code><mode>3): Likewise.
10844         (*sse_<code><mode>3): Likewise.
10845         (*sse2_<code><mode>3): Likewise.
10846         (<code>tf3): Likewise.
10847         (*<code>tf3): Likewise.
10848         (and<mode>3): Likewise.
10849         (*and<mode>3): Likewise.
10850         (ior<mode>3): Removed.
10851         (*ior<mode>3): Likewise.
10852         (xor<mode>3): Likewise.
10853         (*xor<mode>3): Likewise.
10854         (*and<mode>3): Likewise.
10855         (*ior<mode>3): Likewise.
10856         (*xor<mode>3): Likewise.
10857         (and<mode>3): Likewise.
10858         (*sse_and<mode>3): Likewise.
10859         (*sse2_and<mode>3): Likewise.
10860         (andtf3): Likewise.
10861         (*andtf3): Likewise.
10862         (ior<mode>3): Likewise.
10863         (*sse_ior<mode>3): Likewise.
10864         (*sse2_ior<mode>3): Likewise.
10865         (iortf3): Likewise.
10866         (*iortf3): Likewise.
10867         (xor<mode>3): Likewise.
10868         (*sse_xor<mode>3): Likewise.
10869         (*sse2_xor<mode>3): Likewise.
10870         (xortf3): Likewise.
10871         (*xortf3): Likewise.
10873 2008-04-02  Richard Guenther  <rguenther@suse.de>
10875         PR tree-optimization/14495
10876         PR tree-optimization/34793
10877         * tree-vrp.c (struct switch_update): New structure.
10878         (to_remove_edges, to_update_switch_stmts): New VECs.
10879         (simplify_switch_using_ranges): New function.  Remove not taken
10880         case labels and edges.
10881         (simplify_stmt_using_ranges): Call it.
10882         (identify_jump_threads): Mark edges we have queued for removal
10883         so we don't thread them.
10884         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
10885         case label vector.
10886         * tree-cfg.c (group_case_labels): Deal with missing default label.
10887         (tree_verify_flow_info): Allow missing default label.
10888         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
10889         (emit_case_nodes): Likewise.
10890         (expand_case): Do not rely on the default label to be present.
10891         * expr.c (try_casesi): Deal with NULL default_label.
10892         (do_tablejump): Likewise.
10894 2008-04-02  Richard Guenther  <rguenther@suse.de>
10896         PR tree-optimization/14495
10897         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
10898         SWITCH_EXPR here ...
10899         (vrp_visit_switch_stmt): ... but here (new function).
10900         (find_case_label_index): New helper function.
10901         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
10903 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
10905         * fwprop.c: Fix ISO-C99ism.
10907 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
10909         PR bootstrap/35752
10910         * Makefile.in (objdir): Set it here.
10911         * configure.ac: Not here.  Find dynamic linker characteristics.
10912         * exec-tool.in: Use them.
10913         * aclocal.m4: Regenerate.
10914         * configure: Regenerate.
10916 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
10918         * expr.c (expand_var): Delete it.
10919         * expr.h (expand_var): Delete prototype.
10920         * function.c (expand_function_start): Use expand_decl instead.
10921         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
10922         langhook.
10924 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
10926         PR rtl-optimization/35542
10927         * fwprop.c (forward_propagate_and_simplify): Replace
10928         loc_reg_mentioned_in_p with reg_mentioned_p.
10930 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
10932         PR rtl-optimization/35281
10933         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
10934         (propagate_rtx_1): Handle PR_HANDLE_MEM.
10935         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
10936         (varying_mem_p): Move above propagate_rtx.
10937         (all_uses_available_at): Do not check MEMs.
10939 2008-04-02  Rafael Espindola  <espindola@google.com>
10941         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
10942         (register_edge_assert_for_2): Split the cond argument.
10943         (register_edge_assert_for_1): Adjust for the change in
10944         register_edge_assert_for_2.
10945         (register_edge_assert_for): Split the cond argument.
10946         (find_switch_asserts): Adjust for the change in
10947         register_edge_assert_for.
10949 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
10951         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
10952         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
10953         offsets for 64-bit mingw.
10954         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
10955         abi for x86_64-pc-mingw.
10957 2008-04-02  Richard Guenther  <rguenther@suse.de>
10959         * tree-vrp.c (extract_range_from_assert): Make sure to not
10960         produce range min/max with TREE_OVERFOW set.
10961         If merging a anti-range and a range keep the anti-range if
10962         the range covers all values of the type.
10963         (register_edge_assert_for_2): Only allow sign-changing
10964         conversions in detecting canonical range checks.  Also
10965         register an assert for the unsigned name if useful.
10967         PR tree-optimization/35787
10968         * tree-vrp.c (vrp_val_max): New function.
10969         (vrp_val_min): Likewise.
10970         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
10971         (vrp_val_is_min): Likewise.
10972         (supports_overflow_infinity): Use vrp_val_{min,max}.
10973         (negative_overflow_infinity): Likewise.
10974         (positive_overflow_infinity): Likewise.
10975         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
10976         (is_positive_overflow_infinity): Likewise.
10977         (is_overflow_infinity): Likewise.
10978         (avoid_overflow_infinity): Use vrp_val_{min,max} and
10979         vrp_val_is_{min,max}.
10980         (set_and_canonicalize_value_range): Canonicalize anti-ranges
10981         to ranges if possible.  Avoid empty ranges.
10983 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10985         PR middle-end/35705
10986         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
10987         the expression is a function address.
10989 2008-04-01  George Helffrich  <george@gcc.gnu.org>
10991         PR fortran/35154, fortran/23057
10992         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
10993         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
10994         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
10995         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
10996         in common.
10997         (dbxout_syms): Check for COMMON-based symbol and wrap in
10998         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
10999         in bracket for efficiency.
11001         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
11002         using DW_TAG_common_block + member offset.
11003         (add_pubname_string): New function.
11004         (dw_expand_expr): New function to find block name and offset for
11005         COMMON var.
11006         (common_check): New function to check whether symbol in Fortran COMMON.
11007         (gen_variable_die): If COMMON, use DW_TAG_common_block.
11009 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
11011         PR c/35436
11012         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
11014 2008-04-02  Ben Elliston  <bje@au.ibm.com>
11016         * config/v850/v850.md (casesi): Remove if (0) code.
11017         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
11018         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
11020 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
11022         * config/i386/i386.md (rex64suffix): New mode attribute.
11023         (floathi<mode>2): Disable expander for SSE math.
11024         (*floathi<mode>2_1): New insn insn_and_split pattern.
11025         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
11026         corresponding post-reload splitters.
11027         (*floathi<mode>2_i387): New macroized insn pattern.
11028         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
11029         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
11030         insn_and_split pattern.
11031         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
11032         New macroized instruction patterns and corresponding post-reload
11033         splitters.
11034         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
11035         and corresponding post-reload splitters.
11036         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
11037         New macroized instruction patterns.
11038         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
11039         macroized instruction patterns and corresponding post-reload splitters.
11040         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
11041         corresponding post-reload splitters.
11042         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
11043         New macroized instruction patterns.
11044         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
11045         corresponding post-reload splitters.
11046         (*floatsi<mode>2_i387): New macroized instruction patterns.
11048 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
11050         * config/i386/i386.md (smaxmin): New.
11051         (umaxmin): Likewise.
11052         (maxminiprefix): Likewise.
11053         (maxminfprefix): Likewise.
11054         (<code><mode>3): Likewise.
11055         (smin<mode>3): Removed.
11056         (smax<mode>3): Likewise.
11058         * config/i386/mmx.md (mmx_<code>v2sf3): New.
11059         (mmx_<code>v4hi3): Likewise.
11060         (mmx_<code>v8qi3): Likewise.
11061         (mmx_smaxv2sf3): Removed.
11062         (mmx_sminv2sf3): Likewise.
11063         (mmx_umaxv8qi3): Likewise.
11064         (mmx_smaxv4hi3): Likewise.
11065         (mmx_uminv8qi3): Likewise.
11066         (mmx_sminv4hi3): Likewise.
11068         * config/i386/sse.md (<addsub><mode>3): New.
11069         (*<addsub><mode>3): Likewise.
11070         (<sse>_vm<addsub><mode>3): Likewise.
11071         (<maxmin><mode>3): Likewise.
11072         (*<maxmin><mode>3_finite): Likewise.
11073         (*<maxmin><mode>3): Likewise.
11074         (<sse>_vm<maxmin><mode>3): Likewise.
11075         (sse3_h<addsub>v4sf3): Likewise.
11076         (sse3_h<addsub>v2df3): Likewise.
11077         (<maxmin>v16qi3): Likewise.
11078         (*<maxmin>v16qi3): Likewise.
11079         (<maxmin>v8hi3): Likewise.
11080         (*<maxmin>v8hi3): Likewise.
11081         (*sse4_1_<maxmin><mode>3): Likewise.
11082         (*sse4_1_<maxmin><mode>3): Likewise.
11083         (add<mode>3): Removed.
11084         (*add<mode>3): Likewise.
11085         (<sse>_vmadd<mode>3): Likewise.
11086         (sub<mode>3): Likewise.
11087         (*sub<mode>3): Likewise.
11088         (<sse>_vmsub<mode>3): Likewise.
11089         (smin<mode>3): Likewise.
11090         (*smin<mode>3_finite): Likewise.
11091         (*smin<mode>3): Likewise.
11092         (<sse>_vmsmin<mode>3): Likewise.
11093         (smax<mode>3): Likewise.
11094         (*smax<mode>3_finite): Likewise.
11095         (*smax<mode>3): Likewise.
11096         (<sse>_vmsmax<mode>3): Likewise.
11097         (sse3_haddv4sf3): Likewise.
11098         (sse3_haddv2df3): Likewise.
11099         (sse3_hsubv4sf3): Likewise.
11100         (sse3_hsubv2df3): Likewise.
11101         (umaxv16qi3): Likewise.
11102         (*umaxv16qi3): Likewise.
11103         (smaxv8hi3): Likewise.
11104         (*smaxv8hi3): Likewise.
11105         (*sse4_1_smax<mode>3): Likewise.
11106         (*sse4_1_umax<mode>3): Likewise.
11107         (uminv16qi3): Likewise.
11108         (*uminv16qi3): Likewise.
11109         (sminv8hi3): Likewise.
11110         (*sminv8hi3): Likewise.
11111         (*sse4_1_smin<mode>3): Likewise.
11112         (*sse4_1_umin<mode>3): Likewise.
11114 2008-04-01  Rafael Espindola  <espindola@google.com>
11116         * tree-cfg.c (verify_expr): remove in_phi.
11117         (verify_stmt): Don't call walk_tree with verify_expr. Use
11118         is_gimple_min_invariant instead of is_gimple_val.
11120 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
11122         * doc/include/gpl_v3.texi: Update for manpage generation.
11123         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
11124         gpl.texi.
11125         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
11126         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
11127         gpl_v3.texi instead of gpl.texi.
11128         (gpl.pod): New.
11130 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
11132         PR pch/13675
11133         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
11135 2008-04-01  Rafael Espindola  <espindola@google.com>
11137         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
11138         (extract_code_and_val_from_cond): Use
11139         extract_code_and_val_from_cond_with_ops.
11141 2008-04-01  Jan Hubicka  <jh@suse.cz>
11143         * function.c (free_after_compilation): Free epilogue_delay_list.
11144         (prepare_function_start): Assert that previous compilation was freed.
11146 2008-04-01  Jan Hubicka  <jh@suse.cz>
11147             Jim Wilson  <wilson@tuliptree.org>
11148             Andreas Tobler <andreast@gcc.gnu.org>
11150         PR middle-end/35781
11151         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
11152         rtl.emit instead cfun->emit.
11153         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
11154         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
11156 2008-04-01  Ben Elliston  <bje@au.ibm.com>
11158         * doc/c-tree.texi (Function Basics): Fix grammatical error.
11160 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
11162         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
11163         New options
11164         (fprofile-use): Add var flag_profile_use
11165         * coverage.c (coverage_begin_output): Do not open a gcno file for
11166         output only if -ftest-coverage is set.
11167         Do not add getpwd() to gcda file path.
11168         (build_gcov_info): Check the new flag
11169         flag_profile_datafile_relative_path.
11170         (coverage_init): Use profile_data_prefix.
11171         Read profile counter only if flag_profile_use is set.
11172         * opts.c (common_handle_option): New option fprofile-use=,
11173         fprofile-dir=, fprofile-generate=.
11174         * toplev.c (profile_data_prefix): New variable definition.
11175         * toplev.h (profile_data_prefix): New declaration.
11176         * doc/invoke.tex (Option Summary, Optimization Options):
11177         Add new options.
11179 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
11181         * varasm.c (output_constant_pool_1): In LABEL_REF check,
11182         use tmp consistently.
11184         PR target/35695
11185         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
11186         * config/ia64/ia64.c (rtx_needs_barrier): Handle
11187         UNSPEC_FR_RECIP_APPROX_RES.
11188         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
11190 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
11192         PR c/35750
11193         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
11195 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11197         PR middle-end/30186
11198         * fold-const.c (fold_indirect_ref_1): Support accessing non first
11199         element of the vector via a pointer.
11201 2008-03-31  Ian Lance Taylor  <iant@google.com>
11203         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
11205 2008-03-31  Jan Hubicka  <jh@suse.cz>
11207         * builtins.c (expand_builtin_setjmp_receiver): Update call of
11208         get_arg_pointer_save_area.
11209         * expr.c (init_expr): Just clear out rtl.expr.
11210         * function.c (free_after_compilation): Clear out whole RTL structure.
11211         (get_func_frame_size): Merge into ...
11212         (get_frame_size): ... this one.
11213         (assign_stack_local_1): Merge into ...
11214         (assign_stack_local): ... this one.
11215         (expand_function_end): Update call of get_arg_pointer_save_area.
11216         (get_art_pointer_save_area): Remove cfun argument.
11217         * function.h (emit_status): regno_pointer_align does not need length
11218         attribute. Move x_regno_reg_rtx to ...
11219         (regno_reg_rtx): ... new global array.
11220         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
11221         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
11222         apply_args_value, forced_labels, stack_pointer_delta):
11223         Update accestors.
11224         (struct varasm_status): Move here from varasm.c
11225         (struct rtl_data): New. Move here some fields from struct function.
11226         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
11227         frame_offset, stack_check_probe_note, arg_pointer_save_area,
11228         used_temp_slots avail_temp_slots, temp_slot_level,
11229         nonlocal_goto_handler_labels): Update accesstors.
11230         (rtl): New global variable.
11231         (struct function): Move some fileds to rtl_data.
11232         (get_arg_pointer_save_area): Update prototype.
11233         * emit-rtl.c (rtl): Declare.
11234         (regno_reg_rtx): Declare.
11235         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
11236         Update.
11237         (gen_reg_rtx): Update.
11238         (init_virtual_regs): Do not tate emit_status argument.
11239         (init_emit): Do not allocate emit.
11240         * varasm.c (varasm_statuc): Move to function.h.
11241         (n_deferred_constatns): Update accestor.
11242         (init_varasm_status): Do not allocate varasm_status.
11243         (force_const_mem, get_pool_size, output_constant_pool): Update.
11244         * stmt.c (force_label_rtx): Do not use x_ prefixes.
11245         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
11247 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
11249         PR rtl-optimization/35729
11250         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
11251         references.
11253 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
11255         PR target/32000
11256         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
11257         load/store if memory is unaligned.
11258         (*movti_rex64): Likewise.
11260         * config/i386/predicates.md (misaligned_operand): New.
11262 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
11264         PR tree-opt/35431
11265         * tree-ssa-phiopt.c (conditional_replacement): Return early for
11266         complex types.
11268 2008-03-31  Jan Beulich  <jbeulich@novell.com>
11270         * config/ia64/constraints.md: Add 'j' constraint.
11271         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
11272         (movdi_internal): Likewise.
11274 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
11276         PR c/35748
11277         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
11279 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
11281         PR target/35757
11282         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
11283         proper error message for the third argument on blendpd and
11284         blendps.
11286         * config/i386/sse.md (blendbits): New.
11287         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
11289 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
11291         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
11293 2008-03-30  Richard Guenther  <rguenther@suse.de>
11295         PR middle-end/31023
11296         * fold-const.c (fold_sign_changed_comparison): Do leave
11297         conversions to base-types alone.
11299 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11301         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
11302         the link register if one altivec register is be saved.
11304 2008-03-30  Ben Elliston  <bje@au.ibm.com>
11306         * final.c (final_scan_insn): Remove if (0) code.
11308 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
11310         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
11312 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
11314         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
11315         of V4SFmode to ix86_binary_operator_ok.
11317 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
11319         * config/i386/i386.c (override_options): Initialize
11320         ix86_veclib_handler to ix86_veclibabi_svml when
11321         -mveclibabi=svml is used.
11322         (ix86_veclibabi_svml): New function for SVML ABI style
11323         vectorization support.
11324         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
11326 2008-03-28  Rafael Espindola  <espindola@google.com>
11328         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
11329         (tree_binary_nonnegative_warnv_p): Make it public.
11330         (tree_single_nonnegative_warnv_p): Make it public.
11331         (tree_invalid_nonnegative_warnv_p): Make it public.
11332         (tree_unary_nonzero_warnv_p): Make it public.
11333         (tree_binary_nonzero_warnv_p): Make it public
11334         (tree_single_nonzero_warnv_p): Make it public.
11335         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
11336         (extract_range_from_binary_expr): Split the expr argument.
11337         (extract_range_from_unary_expr): Split the expr argument.
11338         (extract_range_from_comparison): Split the expr argument.
11339         (extract_range_from_expr): Use the new aux functions.
11340         (vrp_evaluate_conditional_warnv): Use
11341         vrp_evaluate_conditional_warnv_with_ops.
11342         * tree.h (tree_unary_nonzero_warnv_p): Declare.
11343         (tree_binary_nonzero_warnv_p): Declare.
11344         (tree_single_nonzero_warnv_p): Declare.
11345         (tree_expr_nonzero_warnv_p): Declare.
11346         (tree_unary_nonnegative_warnv_p): Declare.
11347         (tree_binary_nonnegative_warnv_p): Declare.
11348         (tree_single_nonnegative_warnv_p): Declare.
11349         (tree_invalid_nonnegative_warnv_p): Declare.
11351 2008-03-28  Richard Guenther  <rguenther@suse.de>
11353         PR tree-optimization/30317
11354         PR tree-optimization/30911
11355         PR tree-optimization/34793
11356         * tree-vrp.c (set_and_canonicalize_value_range): New function.
11357         (struct assert_locus_d): New member EXPR.
11358         (register_new_assert_for): Add EXPR parameter to support
11359         ASSERT_EXPR <name, expr OP limit>.
11360         (register_edge_assert_for_1): Adjust callers.
11361         (find_assert_locations): Likewise.
11362         (process_assert_insertions_for): Build condition from expression.
11363         (extract_range_from_assert): Handle ASSERT_EXPRs
11364         of the form ASSERT_EXPR <name, expr OP limit>.
11365         (register_edge_assert_for_2): New helper registering
11366         asserts for comparisons.  Recognize range tests of the form
11367         (unsigned)i - CST1 OP CST2.
11368         (register_edge_assert_for_1): Use it.
11369         (register_edge_assert_for): Likewise.
11370         (needs_overflow_infinity): Integer sub-types
11371         do not need overflow infinities.
11372         (vrp_val_is_max): The extreme values of integer sub-types
11373         are those of the base type.
11374         (vrp_val_is_min): Likewise.
11375         * tree.def (ASSERT_EXPR): Document extra allowed conditional
11376         expressions.
11378 2008-03-28  Nick Clifton  <nickc@redhat.com>
11380         PR target/31110
11381         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
11382         Return GENERAL_REGS for stack adjustment reloads.
11384 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11386         PR target/31334
11387         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
11388         const_vector when all the vectors are constant.
11390 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
11392         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
11393         comparisons.
11394         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
11395         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
11396         (scc_sf): New.
11397         (s<code>_sf): Use new scc_sf attribute for opcode names.
11399 2008-03-27  Tom Tromey  <tromey@redhat.com>
11401         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
11402         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
11403         config/spu/t-spu-elf, config/i386/t-interix,
11404         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
11405         config/i386/x-darwin, config/i386/x-mingw32,
11406         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
11407         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
11408         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
11409         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
11410         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
11411         config/rs6000/x-darwin, config/rs6000/t-rs6000,
11412         config/score/t-score-elf, config/arm/t-strongarm-pe,
11413         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
11414         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
11415         Revert automatic dependency patch.
11417 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
11419         PR target/35657
11420         * config/i386/i386.c (ix86_function_arg_boundary): Align
11421         decimal floating point to its natural boundary.
11423 2008-03-27  Richard Guenther  <rguenther@suse.de>
11425         PR middle-end/35716
11426         * fold-const.c (fold_comparison): Restrict distinct decl
11427         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
11428         solely rely on operand_equal_p.
11430 2008-03-27  Richard Guenther  <rguenther@suse.de>
11432         PR c/32511
11433         * c-common.c (handle_weak_attribute): Reject combination of
11434         weak and inline.
11436 2008-03-27  Richard Guenther  <rguenther@suse.de>
11438         PR tree-optimization/32810
11439         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
11440         conversions from DECL_INITIAL.
11441         (fold_const_aggregate_ref): Likewise from constructor elements.
11443 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
11445         * tree-affine.h (aff_combination_expand): Declare.
11446         (get_inner_reference_aff): Likewise.
11447         * tree-affine.c (aff_combination_expand): Split out from
11448         tree_to_aff_combination_expand.
11449         (get_inner_reference_aff): New function.
11450         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
11451         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
11452         (struct lim_aux_data): sm_done field removed.
11453         (mem_ref_loc_p, mem_ref_locs_p): New types.
11454         (struct mem_ref): Added id, stored, accesses_in_loop,
11455         indep_loop, dep_loop, indep_ref, dep_ref fields.
11456         Removed is_stored, locs and next fields.
11457         (memory_accesses): New variable.
11458         (movement_possibility): Do not allow moving statements
11459         that store to memory.
11460         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
11461         New functions.
11462         (determine_max_movement): For statements with memory references,
11463         find the outermost loop in that the reference is independent.
11464         (move_computations_stmt): Mark the virtual operands for renaming.
11465         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
11466         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
11467         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
11468         add_vop_ref_mapping, create_vop_ref_mapping_loop,
11469         create_vop_ref_mapping, analyze_memory_references,
11470         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
11471         get_all_locs_in_loop, ref_always_accessed_p,
11472         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
11473         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
11474         store_motion_loop, store_motion): New functions.
11475         (struct vop_to_refs_elt): New type.
11476         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
11477         memref_hash, memref_eq, hoist_memory_references): Rewritten.
11478         (schedule_sm): Replaced by...
11479         (execute_sm): ... this.
11480         (determine_lsm_ref, hoist_memory_references,
11481         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
11482         find_more_ref_vops, free_mem_ref, free_mem_refs,
11483         determine_lsm_loop, determine_lsm): Removed.
11484         (tree_ssa_lim_finalize): Free data structures used by store motion.
11485         (tree_ssa_lim): Call analyze_memory_references.  Use
11486         store_motion instead of determine_lsm.
11488 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
11490         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
11491         rename tmake_file to m68hc11/t-m68hc11.
11492         (mcore): Set inhibit_libc to true.
11493         * config.host (alpha*-dec-*vms*): Set extra_programs.
11494         (interix3*): Don't use host_xmake_file.
11495         * configure.ac: Let config.gcc override inhibit_libc.
11496         * configure: Regenerate.
11498         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
11499         * config/t-openbsd-thread: Remove commented out lines.
11500         
11501         * config/x-interix: Remove.
11503         * config/m68hc11/t-m68hc11-gas: Rename to...
11504         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
11506         * config/mcore/t-mcore: Remove T_CFLAGS.
11507         * config/mcore/t-mcore-pe: Likewise.
11509 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
11511         * configure.ac: Replace custom __GNU_SOURCE test with
11512         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
11513         * aclocal.m4: Regenerate.
11514         * configure: Regenerate.
11515         * config.in: Regenerate.
11517 2008-03-27  Richard Guenther  <rguenther@suse.de>
11519         * fold-const.c (target.h): Include.
11520         (fold_comparison): Fold comparison of addresses of decls
11521         that bind locally or of constants.  Consolidate address folding code.
11522         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
11523         results from fold_binary_to_constant.
11524         (compare_values_warnv): Likewise.
11526 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
11528         PR middle-end/35429
11529         * fold-const.c (fold_truthop): Check for integeral types when folding
11530         a == 0 && b == 0 and a != 0 || b != 0 .
11532 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
11534         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
11536 2008-03-26  Andreas Schwab  <schwab@suse.de>
11538         * doc/invoke.texi: Fix use of @item vs. @itemx.
11540 2008-03-26  Tom Tromey  <tromey@redhat.com>
11542         * Makefile.in (build/gensupport.o, build/print-rtl.o,
11543         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
11544         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
11545         build/gencodes.o, build/genconditions.o, build/genconfig.o,
11546         build/genconstants.o, build/genemit.o, build/genextract.o,
11547         build/genflags.o, build/genmddeps.o, build/genopinit.o,
11548         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
11549         options.h.
11551 2008-03-26  Richard Guenther  <rguenther@suse.de>
11553         Revert
11554         2008-03-26  Richard Guenther  <rguenther@suse.de>
11556         * fold-const.c (target.h): Include.
11557         (fold_comparison): Fold comparison of addresses of two decls
11558         that bind locally.  Consolidate address folding code.
11560 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11562         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
11563         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
11564         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
11565         dconstsqrt2, dconstthird, dconste and/or dconst10.
11566         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
11567         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
11568         dconstsqrt2, dconste): Delete.
11569         (init_emit_once): Likewise.  Simplify initializing dconstm1.
11570         Constify variable.
11571         * real.c (get_real_const): New.
11572         * real.h (dconst3, dconst10, dconstm2, dconstthird,
11573         dconstsqrt2, dconste): Delete.
11574         (real_value_const, get_real_const): New.
11576 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
11578         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
11580         * config/i386/i386.c (ix86_function_arg_boundary): Check
11581         BIGGEST_ALIGNMENT instead of 128.
11582         (setup_incoming_varargs_64): Likewise.
11584 2008-03-26  Tom Tromey  <tromey@redhat.com>
11586         * Makefile.in (DEPFILES): Add missing '/'.
11588 2008-03-26  Richard Guenther  <rguenther@suse.de>
11590         * fold-const.c (target.h): Include.
11591         (fold_comparison): Fold comparison of addresses of two decls
11592         that bind locally.  Consolidate address folding code.
11594 2008-03-26  Nick Clifton  <nickc@redhat.com>
11596         PR target/31232
11597         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
11598         not allow INT+INT as a legitimate addressing mode.
11600 2008-03-26  Richard Guenther  <rguenther@suse.de>
11602         * tree-flow.h (widen_bitfield): Remove declaration.
11603         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
11604         (widen_bitfield): Remove function.
11605         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
11606         code.
11608 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11610         PR target/31558
11611         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
11612         error_mark_node's.
11614 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
11616         PR rtl-optimization/35232
11617         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
11618         (forget_old_reloads_1, forget_marked_reloads): Don't clear
11619         reg_reloaded_call_part_clobbered here.
11620         (reload_regs_reach_end_p): New function.
11621         (reload_reg_rtx_for_input): New variable.
11622         (reload_reg_rtx_for_output): Likewise.
11623         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
11624         when reassigning a pseudo register.  Load reloadreg from 
11625         reload_reg_rtx_for_input, moving the mode and register
11626         calculation to...
11627         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
11628         instead of the original when deciding whether an input reload
11629         would be a no-op or whether an output reload can be deleted.
11630         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
11631         when setting up new_spill_reg_store.  Load it from
11632         reload_reg_rtx_for_output, moving the mode and register
11633         calculation to...
11634         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
11635         instead of the original when deciding whether an output reload
11636         would be a no-op.  Do the same when modifying insn notes.
11637         Use rtx_equal_p instead of == to compare the registers.
11638         (inherit_piecemeal_p): Take a mode and two register numbers
11639         as argument.
11640         (emit_reload_insns): Clear new_spill_reg_store for every hard
11641         register in the reload register.  Remove spill registers
11642         from reg_reloaded_valid before considering whether to record
11643         inheritance information for them.  Use reload_reg_rtx_for_output
11644         instead of reg_rtx when recording output reloads.  Use
11645         reload_reg_rtx_for_input instead of reg_rtx when recording
11646         input reloads.  Set or clear reg_reloaded_call_part_clobbered
11647         at the same time as setting reg_reloaded_valid.
11648         (delete_output_reload): Add a new_reload_reg parameter and use it
11649         instead of rld[j].reg_rtx.
11650         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
11651         calls accordingly.
11653 2008-03-25  Tom Tromey  <tromey@redhat.com>
11655         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
11656         (build/genattr.o): Likewise.
11657         (build/genattrtab.o): Likewise.
11658         (build/gencodes.o): Likewise.
11659         (build/genconfig.o): Likewise.
11660         (build/genconstants.o): Likewise.
11661         (build/genemit.o): Likewise.
11662         (build/genextract.o): Likewise.
11663         (build/genflags.o): Likewise.
11665 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
11666         
11667         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
11668         instead of size_int for integer types.
11669         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
11670         to match type of MINUS_EXPR.
11671         
11672 2008-03-25  Tom Tromey  <tromey@redhat.com>
11674         * configure: Rebuilt.
11675         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
11676         Makefile.
11678 2008-03-25  Tom Tromey  <tromey@redhat.com>
11680         * config/x-solaris (host-solaris.o): Update.
11681         * config/x-linux (host-linux.o): Update.
11682         * config/x-hpux (host-hpux.o): Update.
11683         * config/x-darwin (host-darwin.o): Update.
11684         * config/v850/t-v850e (v850-c.o): Update.
11685         * config/v850/t-v850 (v850-c.o): Update.
11686         * config/t-vxworks (vxworks.o): Update.
11687         * config/t-sol2 (sol2-c.o, sol2.o): Update.
11688         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
11689         * config/spu/t-spu-elf (spu-c.o): Update.
11690         (spu.o): Remove.
11691         * config/sh/t-symbian (sh-c.o): Update.
11692         (symbian.o): Update.
11693         * config/sh/t-sh (sh-c.o): Update.
11694         * config/score/t-score-elf (score7.o, score3.o): Update.
11695         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
11696         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
11697         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
11698         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
11699         (rs6000.o): Remove.
11700         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
11701         * config/m32c/t-m32c (m32c-pragma.o): Update.
11702         * config/ia64/t-ia64 (ia64-c.o): Update.
11703         * config/i386/x-mingw32 (host-mingw32.o): Update.
11704         * config/i386/x-i386 (driver-i386.o): Update.
11705         * config/i386/x-darwin (host-i386-darwin.o): Update.
11706         * config/i386/x-cygwin (host-cygwin.o): Update.
11707         * config/i386/t-nwld (nwld.o): Update.
11708         * config/i386/t-netware (netware.o): Update.
11709         * config/i386/t-interix (winnt.o): Update.
11710         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
11711         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
11712         msformat-c.o): Update.
11713         * config/bfin/t-bfin-linux (generated_files): Add
11714         linux-sysroot-suffix.h.
11715         * config/arm/t-wince-pe (pe.o): Update.
11716         * config/arm/t-strongarm-pe (pe.o): Update.
11717         * config/arm/t-pe (pe.o): Update.
11718         * config/arm/t-arm (arm-c.o): Update.
11719         * doc/install.texi (Prerequisites): Require make 3.80.
11720         * Makefile.in: Remove .o targets.
11721         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
11722         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
11723         (simple_generated_h, simple_generated_c): Move earlier.
11724         (generated_files): New variable.
11725         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
11726         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
11727         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
11728         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
11729         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
11730         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
11731         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
11732         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
11733         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
11734         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
11735         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
11736         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
11737         (.c.o): Remove.
11738         (COMPILE.base, COMPILE): New variables.
11739         (%.o): New pattern rule.
11740         (ALL_HOST_OBJS): New variable.
11741         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
11742         (dummy-checksum.o, cc1-checksum.o): Remove.
11743         (DRIVER_SHLIB): New variable.
11744         (DRIVER_DEFINES): Use it.
11745         (gencondmd.c): Move out of build/.
11746         (s-conditions): Update.
11747         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
11748         (ALL_BUILD_OBJS): Likewise.
11749         (build/%.o): Use BUILDCOMPILE.
11750         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
11751         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
11752         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
11753         build/gencheck.o, build/gencodes.o, build/genconditions.o,
11754         build/genconfig.o, build/genconstants.o, build/genemit.o,
11755         build/genextract.o, build/genflags.o, build/genmddeps.o,
11756         build/genopinit.o, build/genoutput.o, build/genpeep.o,
11757         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
11758         build/gen-protos.o, build/scan.o, build/fix-header.o,
11759         build/scan-decls.o): Simplify.
11760         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
11761         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
11762         prefix.o, toplev.o): Reduce to variable setting.
11763         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
11764         ($(out_object_file), gcc-options.o): New targets.
11765         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
11766         * configure: Rebuilt.
11767         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
11768         * doc/sourcebuild.texi (Front End Directory): Document new variable.
11770 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
11772         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
11773         complain when we hit an error, return ERROR_MARK_NODE.
11775 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
11777         * config/sh/constraints.md (Pso, Psz): New constraints.
11778         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
11779         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
11781 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
11783         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
11784         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
11786 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
11788         * config/sh/sh.md (prefetch): Add condition for SH2A target.
11789         (prefetch_sh2a): New.   
11791 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
11792             Naveen.H.S  <naveen.hs@kpitcummins.com>
11794         * config/sh/constraints.md (I28): New constraint.
11795         * config/sh/sh.c (broken_move): Add support for movi20s.
11796         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
11798 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
11799             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
11800             Naveen.H.S  <naveen.hs@kpitcummins.com>
11802         * config/sh/sh.c (SH_ATTRIBUTES): Define.
11803         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
11804         (print_operand): Handle resbank in %@ operand code.
11805         (sh_encode_section_info): New.
11806         (push_regs): Add conditions for resbank.
11807         (sh_expand_epilogue): Likewise.
11808         (sh_insert_attributes): Likewise.
11809         (sh_attribute_table): Likewise.
11810         (sh_handle_resbank_handler_attribute): New.
11811         (sh2a_handle_function_vector_handler_attribute): New.
11812         (sh2a_is_function_vector_call): New.
11813         (sh2a_get_function_vector_number): New.
11814         (sh2a_function_vector_p): New.
11815         (sh_cfun_resbank_handler_p): New.
11816         * config/sh/sh.md (calli): Emit jsr/n if possible.
11817         (calli_tbr_rel): New.
11818         (calli_pcrel): Emit jsr/n if possible.
11819         (return_i): Emit rts/n if possible.
11820         (call_valuei_tbr_rel): New.
11821         (call_valuei_pcrel): Add condition for SH2A target.
11822         (call_value): Likewise.
11823         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
11824         (sh2a_get_function_vector_number): Likewise.
11825         (sh2a_is_function_vector_call): Likewise.
11826         * doc/extend.texi: Document TBR relative addressing of SH2A.
11827         (resbank): Add description for SH2A.
11829 2008-03-24  Richard Guenther  <rguenther@suse.de>
11831         PR c/22371
11832         * gimplify.c (gimplify_modify_expr): For frontend type-correct
11833         pointer assignments change conversions according to middle-end rules.
11834         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
11835         * configure.ac: Include type checking in yes.
11836         * configure: Regenerate.
11838 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11840         * diagnostic.c (diagnostic_count_diagnostic): Delete.
11841         (diagnostic_report_diagnostic): Update. Handle ICEs here.
11842         
11843 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
11845         * gthr-vxworks.h (UNUSED): Define.
11847 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
11849         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
11851 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
11853         * doc/extend.texi (Function Attributes): Add missing comma in the
11854         example of the "alloc_size" attribute.
11855         
11856 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
11858         Revert:
11859         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
11861         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
11862         32bit host.
11864         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
11866         PR target/35496
11867         * stor-layout.c (update_alignment_for_field): Set minimum alignment
11868         of the underlying type of a MS bitfield layout to the natural
11869         alignment of the type.
11871         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
11873         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
11874         to their natural alignment to avoid store forwarding stalls.
11876 2008-03-22  Richard Guenther  <rguenther@suse.de>
11878         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
11879         For PHI nodes verify the address is invariant.
11880         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
11881         (get_symbol_constant_value): Use is_gimple_min_invariant.
11882         (maybe_fold_stmt_indirect): Likewise.
11884 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
11886         PR rtl-optimization/33927
11887         * Makefile.in (dse.o): Depend on $(TM_P_H).
11888         * expr.h (extract_low_bits): Declare.
11889         * expmed.c (extract_low_bits): New function.
11890         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
11891         * dse.c: Include tm_p.h.
11892         (find_shift_sequence): Remove the read_reg argument and return the
11893         read value.  Emit the instructions instead of returning them.
11894         Iterate on new_mode rather than calculating it each time.
11895         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
11896         source to NEW_MODE and extract_low_bits to convert the shifted
11897         value to READ_MODE.
11898         (replace_read): Allow the load and store to have different mode
11899         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
11900         or extraction instructions before trying the replacement.  Update
11901         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
11903 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
11905         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
11906         to their natural alignment to avoid store forwarding stalls.
11908 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11910         PR target/27946
11911         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
11912         encouraging but not allowing gprs for input;
11913         change the input constraint to !f#r.
11914         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
11915         gprs for output;
11916         change the output constraint to !f#r.
11918 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
11920         PR target/13958
11921         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
11922         corresponding post-reload splitters.
11923         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
11924         when x87 FP math is selected.
11925         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
11926         New function prototype.
11927         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
11928         unreachable function to ease macroization of insn patterns.
11930 2008-03-21  Martin Jambor  <mjambor@suse.cz>
11932         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
11933         reference dumps if ddr is NULL or dependence is unknown.
11935 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
11937         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
11938         unsigned extension into account.
11939         (ATOMIC_COMPARE_AND_SWAP): Likewise.
11940         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
11941         Do computations on a scratch register.
11943 2008-03-21  Richard Guenther  <rguenther@suse.de>
11945         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
11946         Use is_gimple_min_invariant instead of TREE_INVARIANT.
11947         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
11948         * tree-ssa-dom.c (record_equality): Likewise.
11949         * tree-inline.c (copy_body_r): Likewise.
11950         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
11951         TREE_INVARIANT.
11953 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
11955         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
11956         as 'delete_unused' argument.
11958 2008-03-20  Richard Guenther  <rguenther@suse.de>
11960         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
11961         special casing of constant qualifiers.
11962         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
11963         care about them in general.
11964         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
11965         regardless of their type.
11966         (fold_stmt_r): Forcefully fold *& if we end up with that.
11968 2008-03-20  Paul Brook  <paul@codesourcery.com>
11970         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
11971         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
11972         linker flags.
11973         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
11974         definition.
11975         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
11976         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
11978 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
11980         * common.opt (Wmudflap): New option.
11981         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
11982         (mx_register_decls): Likewise.
11983         (mudflap_finish_file): Likewise.
11984         * doc/invoke.texi: Document -Wno-mudflap.
11986 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
11988         * c-format.c (replace_format_name_to_system_name): New.
11989         (cmp_attribs): New.
11990         (convert_format_name_to_system_name): New.
11991         (decode_format_attr): Add use of convert_format_name_to_system_name.
11992         (format_types_orig): Add gnu_ prefix to names.
11993         (check_format_info_main): Special treating of \0 escaped names for
11994         supporting multi-character format specifiers as I32, I64.
11995         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
11996         (gnu_target_overrides_format_attributes): New.
11997         * c-format.h: Add structure target_ovr_attr to hold
11998         system specific formatter names.
11999         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
12000         msformat-c.o file to c_target_objs and cxx_target_objs.
12001         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
12002         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
12003         (TARGET_N_FORMAT_TYPES): New.
12004         * config/i386/msformat-c.c: New.
12005         * config/i386/t-cygming: Add build rule for msformat-c.o.
12006         * doc/extend.texi: Add new format names gnu_* and ms_* and
12007         further details.
12008         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
12010 2008-03-20  Ira Rosen  <irar@il.ibm.com>
12012         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
12013         optimizations turned on under -O3.
12014         (ftree-vectorize): Add that the flag is turned on with -O3.
12016 2008-03-20  Ben Elliston  <bje@au.ibm.com>
12018         * regmove.c (try_auto_increment): Fix spelling error in comment.
12019         * final.c (final_scan_insn): Likewise.
12021 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
12023         PR target/14552
12024         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
12025         allocator preferences for "y" and "r" class registers.
12026         ("*mov<mode>_internal"): Ditto.
12027         ("*movv2sf_internal_rex64"): Ditto.
12028         ("*movv2sf_internal"): Ditto.
12030 2008-03-19  Michael Matz  <matz@suse.de>
12032         PR middle-end/35616
12033         * calls.c (expand_call): Check overlap of arguments with call
12034         address for sibcalls.
12036 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
12038         PR target/35496
12039         * stor-layout.c (update_alignment_for_field): Set minimum alignment
12040         of the underlying type of a MS bitfield layout to the natural
12041         alignment of the type.
12043 2008-03-19  Jan Hubicka  <jh@suse.cz>
12045         PR other/35094
12046         * toplev.c (decode_d_option): Handle all CPP flags.
12047         * tree-vrp.c: Update tree_pass descriptors.
12048         * regrename.c: Update tree_pass descriptors.
12049         * fwprop.c: Update tree_pass descriptors.
12050         * doc/invoke.texi: Remove documentation of dropped -d? flags.
12051         * tree-into-ssa.c: Update tree_pass descriptors.
12052         * tree-dump.c: Update tree_pass descriptors.
12053         * tree-complex.c: Update tree_pass descriptors.
12054         * tree-dump.h: Update tree_pass descriptors.
12055         * see.c: Update tree_pass descriptors.
12056         * cgraphbuild.c: Update tree_pass descriptors.
12057         * tracer.c: Update tree_pass descriptors.
12058         * tree-loop-distribution.c: Update tree_pass descriptors.
12059         * cgraph.c: Update tree_pass descriptors.
12060         * postreload-gcse.c: Update tree_pass descriptors.
12061         * postreload.c: Update tree_pass descriptors.
12062         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
12063         * tree-tailcall.c: Update tree_pass descriptors.
12064         * tree-pass.h (tree_opt_pass): Rename to ...
12065         (opt_pass) ... this one; add "type" field and remove letter field.
12066         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
12067         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
12068         all_lowering_passes): Update declaration.
12069         * ipa-cp.c: Update tree_pass descriptors.
12070         * final.c: Update tree_pass descriptors.
12071         * omp-low.c: Update tree_pass descriptors.
12072         * tree-ssa-dse.c: Update tree_pass descriptors.
12073         * ipa-reference.c: Update tree_pass descriptors.
12074         * tree-ssa-uncprop.c: Update tree_pass descriptors.
12075         * auto-inc-dec.c: Update tree_pass descriptors.
12076         * reorg.c: Update tree_pass descriptors.
12077         * cgraphunit.c: Update tree_pass descriptors.
12078         * tree-ssa-copyrename.c: Update tree_pass descriptors.
12079         * tree-ssa-ccp.c: Update tree_pass descriptors.
12080         * df-core.c: Update tree_pass descriptors.
12081         * mode-switching.c: Update tree_pass descriptors.
12082         * tree-nomudflap.c: Update tree_pass descriptors.
12083         * modulo-sched.c: Update tree_pass descriptors.
12084         * ipa-pure-const.c: Update tree_pass descriptors.
12085         * cse.c: Update tree_pass descriptors.
12086         * web.c: Update tree_pass descriptors.
12087         * tree-stdarg.c: Update tree_pass descriptors.
12088         * tree-ssa-math-opts.c: Update tree_pass descriptors.
12089         * tree-ssa-dom.c: Update tree_pass descriptors.
12090         * tree-nrv.c: Update tree_pass descriptors.
12091         * tree-ssa-alias.c: Update tree_pass descriptors.
12092         * loop-init.c: Update tree_pass descriptors.
12093         * gimple-low.c: Update tree_pass descriptors.
12094         * ipa-inline.c: Update tree_pass descriptors.
12095         * tree-ssa-sink.c: Update tree_pass descriptors.
12096         * global.c: Update tree_pass descriptors.
12097         * ifcvt.c: Update tree_pass descriptors.
12098         * jump.c: Update tree_pass descriptors.
12099         * predict.c: Update tree_pass descriptors.
12100         * tree-ssa-loop.c: Update tree_pass descriptors.
12101         * recog.c: Update tree_pass descriptors.
12102         * dse.c: Update tree_pass descriptors.
12103         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
12104         * tree-eh.c: Update tree_pass descriptors.
12105         * regmove.c: Update tree_pass descriptors.
12106         * local-alloc.c
12107         * function.c: Update tree_pass descriptors.
12108         * tree-vectorizer.c: Update tree_pass descriptors.
12109         * gcse.c: Update tree_pass descriptors.
12110         * ipa-type-escape.c: Update tree_pass descriptors.
12111         * tree-if-conv.c: Update tree_pass descriptors.
12112         * init-regs.c: Update tree_pass descriptors.
12113         * ipa.c: Update tree_pass descriptors.
12114         * tree-ssa-phiopt.c: Update tree_pass descriptors.
12115         * rtl-factoring.c: Update tree_pass descriptors.
12116         * lower-subreg.c: Update tree_pass descriptors.
12117         * bt-load.c: Update tree_pass descriptors.
12118         * tree-dfa.c: Update tree_pass descriptors.
12119         * except.c: Update tree_pass descriptors.
12120         * emit-rtl.c: Update tree_pass descriptors.
12121         * cfgexpand.c: Update tree_pass descriptors.
12122         * tree-cfgcleanup.c: Update tree_pass descriptors.
12123         * cfgcleanup.c: Update tree_pass descriptors.
12124         * tree-ssa-pre.c: Update tree_pass descriptors.
12125         * tree-sra.c: Update tree_pass descriptors.
12126         * tree-mudflap.c: Update tree_pass descriptors.
12127         * tree-ssa-copy.c: Update tree_pass descriptors.
12128         * cfglayout.c: Update tree_pass descriptors.
12129         * tree-ssa-forwprop.c: Update tree_pass descriptors.
12130         * tree-ssa-dce.c: Update tree_pass descriptors.
12131         * tree-ssa.c: Update tree_pass descriptors.
12132         * regclass.c: Update tree_pass descriptors.
12133         * integrate.c: Update tree_pass descriptors.
12134         * tree-optimize.c: Update tree_pass descriptors.
12135         * tree-ssa-phiprop.c: Update tree_pass descriptors.
12136         * tree-object-size.c: Update tree_pass descriptors.
12137         * combine.c: Update tree_pass descriptors.
12138         * tree-outof-ssa.c: Update tree_pass descriptors.
12139         * bb-reorder.c: Update tree_pass descriptors.
12140         * stack-ptr-mod.c: Update tree_pass descriptors.
12141         * var-tracking.c: Update tree_pass descriptors.
12142         * tree-profile.c: Update tree_pass descriptors.
12143         * tree-vect-generic.c: Update tree_pass descriptors.
12144         * reg-stack.c: Update tree_pass descriptors.
12145         * sched-rgn.c: Update tree_pass descriptors.
12146         * tree-ssa-structalias.c: Update tree_pass descriptors.
12147         * tree-cfg.c: Update tree_pass descriptors.
12148         * passes.c (current_pass): Update declaration.
12149         (finish_optimization_passes): Update.
12150         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
12151         (register_one_dump_file, register_dump_files_1, next_pass_1):
12152         Update arguments.
12153         (init_optimization_passes): Update handling of new types.
12154         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
12155         * ipa-struct-reorg.c: Update tree_pass descriptors.
12156         * tree-ssa-reassoc.c: Update tree_pass descriptors.
12157         * combine-stack-adj.c: Update tree_pass descriptors.
12158         * cfgrtl.c: Update tree_pass descriptors.
12159         * dce.c: Update tree_pass descriptors.
12160         * tree-ssanames.c: Update tree_pass descriptors.
12162 2008-03-19  Richard Guenther  <rguenther@suse.de>
12164         PR middle-end/35609
12165         * tree-ssa.c (walk_data): New structure.
12166         (warn_uninitialized_var): If not always_executed warn with "maybe"
12167         instead of "is".
12168         (execute_early_warn_uninitialized): Compute post-dominators.
12169         Initialize always_executed before processing each basic block.
12171 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
12173         PR target/35504
12174         * config/i386/i386.c (x86_this_parameter): Calculate correct location
12175         of "this" pointer when "regparm = N" or "fastcall" is in effect.
12177 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12179         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
12181 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
12183         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
12184         is true.
12185         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
12186         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
12187         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
12188         target after ignore has been set, and move there also the commputation
12189         of subtarget and original_target.
12190         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
12191         (LANG_HOOKS_INITIALIZER): Remove it.
12192         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
12194 2008-03-18  Richard Guenther  <rguenther@suse.de>
12196         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
12197         found an expression with constants, note that in the VN for the lhs.
12198         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
12199         fold them to constants if possible.  Run cleanup_cfg if done so.
12200         (execute_pre): Return todo.
12201         (do_pre): Likewise.
12202         (execute_fre): Likewise.
12203         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
12204         of constants.
12205         (get_prop_source_stmt): Look through pointer conversions.
12207 2008-03-18  Jan Hubicka  <jh@suse.cz>
12209         * tree-pretty-print.c: Include predict.h.
12210         (dump_generic_node): Dump predictor.
12211         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
12212         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
12213         * gimple-low.c (lower_stmt): Likewise.
12214         * expr.c (expand_expr_real): Likewise.
12215         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
12216         them.
12217         (build_predict_expr, build_predict_expr): New.
12218         * predict.h (predictor_name, build_predict_expr): Update.
12219         * c-typeck.c (c_finish_bc_stmt): Add prediction.
12220         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
12221         * predict.def (PRED_CONTINUE): Update hitrate.
12222         * tree.def (PREDICT_EXPR): Define.
12223         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
12224         do not handle BIND_EXPR.
12225         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
12226         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
12227         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
12228         operands.
12230 2008-03-18  Michael Matz  <matz@suse.de>
12232         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
12234 2008-03-18  Richard Guenther  <rguenther@suse.de>
12236         * tree-gimple.h (is_gimple_invariant_address): Declare.
12237         (is_gimple_constant): Likewise.
12238         * tree-gimple.c (is_gimple_constant): New function.
12239         (is_gimple_invariant_address): Likewise.
12240         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
12241         and is_gimple_invariant_address.
12242         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
12243         previous change.
12244         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
12245         an addressable base.
12247 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
12249         PR middle-end/35611
12250         * gimplify.c (gimplify_expr): Gimplify second operand of
12251         OMP_ATOMIC_LOAD.
12253 2008-03-17  Richard Guenther  <rguenther@suse.de>
12255         PR tree-optimization/19637
12256         * fold-const.c (fold_unary): Remove restrictions of removing
12257         intermediate pointer-conversions (P2)(P1)P0.
12258         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
12259         conversion to void pointer.
12260         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
12262 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
12264         PR debug/31510
12265         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
12266         emulated thread local variables.
12268 2008-03-16  Richard Guenther  <rguenther@suse.de>
12270         PR middle-end/35607
12271         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
12272         expand TREE_INVARIANT operations that are not gimple invariant.
12274 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
12276         * doc/extend.texi (Alignment): Say that the ABI controls
12277         the __alignof__ for non-strict-alignment targets rather
12278         than being a recommendation.
12280 2008-03-15  Paul Brook  <paul@codesourcery.com>
12282         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
12283         annotations.
12284         (arm_output_fn_unwind): Mark functions that can not be unwound.
12286 2008-03-15  Paul Brook  <paul@codesourcery.com>
12288         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
12289         extension instructions.
12291 2008-03-15  Richard Guenther  <rguenther@suse.de>
12293         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
12294         and fold constant aggregate refs.
12295         (fold_const_aggregate_ref): Handle string constants
12296         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
12297         (evaluate_stmt): Simplify now that ccp_fold folds constant
12298         aggregate refs.
12300 2008-03-15  Paul Brook  <paul@codesourcery.com>
12302         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
12303         (extzv): Use gen_extzv_t2.
12304         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
12306 2008-03-15  Richard Guenther  <rguenther@suse.de>
12308         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
12309         (fold_const_aggregate_ref): Likewise.
12310         (get_value): Return NULL if we don't have any values.
12311         (ccp_finalize): Set const_val to NULL after freeing it.
12312         * tree-flow.h (get_symbol_constant_value): Declare.
12313         (fold_const_aggregate_ref): Likewise.
12314         * tree-ssa-sccvn.c (try_to_simplify): Use them.
12316 2008-03-15  Richard Guenther  <rguenther@suse.de>
12318         PR middle-end/35593
12319         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
12320         to not produce negative array indices if not allowed.  Add
12321         parameter to indicate that.
12322         (maybe_fold_offset_to_component_ref): Allow negative array
12323         indices only for the first member of a structure.
12324         (maybe_fold_offset_to_reference): Allow negative array indices.
12325         (maybe_fold_stmt_addition): Likewise.
12327 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
12328             Anatoly Sokolov <aesok@post.ru>
12330         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
12331         (avr_arch): Add ARCH_AVR6.
12332         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
12333         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
12334         instead of fixed value 2.
12335         (print_operand_address): Use gs() asm specifier instead of pm().
12336         (avr_assemble_integer): (Ditto.).
12337         (avr_output_addr_vec_elt): (Ditto.).
12338         (print_operand): Handle "!" code.
12339         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
12340         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
12341         (AVR_HAVE_EIJMP_EICALL): Define.
12342         (AVR_3_BYTE_PC): Redefine.
12343         (AVR_2_BYTE_PC): (Ditto.).
12344         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
12345         (LINK_SPEC): Add atmega2560 and atmega2561.
12346         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
12347         (crtm2561.o).
12348         * config/avr/avr.md (call_insn): Use eicall instead of icall 
12349         for 3 byte PC devices.
12350         (call_value_insn): (Ditto.).
12351         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
12352         (indirect_jump): Use only for for 2 byte PC devices.
12353         (*tablejump): (Ditto.).
12354         (*indirect_jump_avr6): Add insn.
12355         (*tablejump_rjmp): Don't use for 3 byte PC devices.
12356         * config/avr/libgcc.S (__prologue_saves__): Use eijmp 
12357         instead of ijmp for 3 byte PC devices.
12358         (__tablejump2__): (Ditto.).
12359         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
12360         (MULITLIB_DIRNAMES): (Ditto.). 
12361         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
12363 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
12365         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
12366         "sse2_umulsidi3".  Use V1DI mode for operand 0.
12367         ("mmx_psadbw"): Use V1DI mode for operand 0.
12368         * config/i386/i386-modes.def (V1SI): New vector mode.
12369         * config/i386/i386.c (struct builtin_description)
12370         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
12371         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
12372         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
12373         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
12374         v1di_ftype_v8qi_v8qi type.
12375         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
12377         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
12378         __builtin_ia32_pmuludq]: Fix the mode of return value.
12380 2008-03-15  Richard Guenther  <rguenther@suse.de>
12382         PR middle-end/35595
12383         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
12384         being a PHI_NODE.
12386 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
12387         
12388         * doc/invoke.texi (Option Summary, Xtensa Options): Document
12389         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
12390         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
12391         unless TARGET_SERIALIZE_VOLATILE is enabled.
12392         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
12393         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
12394         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
12396 2008-03-14  Richard Guenther  <rguenther@suse.de>
12398         PR tree-optimization/34172
12399         * tree-flow.h (refs_may_alias_p): Declare.
12400         (get_single_def_stmt): Likewise.
12401         (get_single_def_stmt_from_phi): Likewise.
12402         (get_single_def_stmt_with_phi): Likewise.
12403         * tree-dfa.c (refs_may_alias_p): New function.
12404         (get_single_def_stmt): Likewise.
12405         (get_single_def_stmt_from_phi): Likewise.
12406         (get_single_def_stmt_with_phi): Likewise.
12407         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
12408         (vn_reference_lookup_1): New helper function.
12409         (vn_reference_lookup): Walk the virtual use-def chain to
12410         continue searching for a match if the def does not alias the
12411         reference we are looking for.
12413 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
12415         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
12416         archive and Perzl.  Update The Written Word listing.
12418 2008-03-14  Richard Guenther  <rguenther@suse.de>
12420         PR tree-optimization/34043
12421         PR tree-optimization/33989
12422         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
12423         when doing FRE.
12424         (bitmap_find_leader): Use extra argument to verify dominance
12425         relationship inside a basic-block.
12426         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
12427         (find_leader_in_sets): Adjust.
12428         (create_component_ref_by_pieces): Take extra argument for
12429         dominance check, handle lookup failures.
12430         (find_or_generate_expression): Likewise.
12431         (create_expression_by_pieces): Likewise.
12432         (insert_into_preds_of_block): Adjust.
12433         (create_value_expr_from): If asked for, verify all operands
12434         are in the blocks AVAIL_OUT set.
12435         (make_values_for_stmt): Check for SSA_NAMEs that are life
12436         over an abnormal edge.
12437         (compute_avail): Remove such check.
12438         (do_SCCVN_insertion): New function.
12439         (eliminate): If we do not find a leader suitable for replacement
12440         insert a replacement expression from SCCVN if available.
12441         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
12442         (struct vn_ssa_aux): Add needs_insertion flag.
12443         * tree-ssa-sccvn.c (may_insert): New global flag.
12444         (copy_reference_ops_from_ref): Value-number union member access
12445         based on its size, not type and member if insertion is allowed.
12446         (visit_reference_op_load): For a weak match from union type
12447         punning lookup a view-converted value and insert a SSA_NAME
12448         for that value if that is not found.
12449         (visit_use): Make dumps shorter.  Do not disallow value numbering
12450         SSA_NAMEs that are life over an abnormal edge to constants.
12451         (free_scc_vn): Release inserted SSA_NAMEs.
12452         (run_scc_vn): New flag to specify whether insertion is allowed.
12453         Process SSA_NAMEs in forward order.
12454         * tree-ssa-loop-im.c (for_each_index): Handle invariant
12455         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
12456         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
12457         pointer type to/from integral types that do not change the
12458         precision to regular conversions.
12460 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
12462         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
12463         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
12464         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
12465         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
12466         input arguments and the mode of return value.  Built-in functions
12467         that operate on whole 64-bit MMX register now use V1DI mode.
12469 2008-03-13  Alon Dayan  <alond@il.ibm.com>
12470             Olga Golovanevsky  <olga@il.ibm.com>
12472         PR tree-optimization/35041
12473         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
12474         to locate the right position in a statement.
12476 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
12478         PR target/34000
12479         PR target/35553
12480         * config/i386/xmmintrin.h:  Change all static inline functions to
12481         extern inline and add __gnu_inline__ attribute.
12482         * config/i386/bmintrin.h: Ditto.
12483         * config/i386/smmintrin.h: Ditto.
12484         * config/i386/tmmintrin.h: Ditto.
12485         * config/i386/mmintrin-common.h: Ditto.
12486         * config/i386/ammintrin.h: Ditto.
12487         * config/i386/emmintrin.h: Ditto.
12488         * config/i386/pmmintrin.h: Ditto.
12489         * config/i386/mmintrin.h: Ditto.
12490         * config/i386/mm3dnow.h: Ditto.
12492 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
12494         PR middle-end/35185
12495         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
12496         (lower_omp_2): New function.
12497         (lower_omp_1, lower_omp): Rewritten.
12499 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
12501         PR 35054
12502         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
12503         with the phrase "Microsoft Windows compilers".
12504         (Push/Pop Macro Pragmas): New subsection. Document
12505         #pragma push_macro and pragma pop_macro.
12507 2008-03-12  Paul Brook  <paul@codesourcery.com>
12509         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
12511 2008-03-12  Paul Brook  <paul@codesourcery.com>
12513         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
12514         (thumb2_alusi3_short): Exclude PLUS and MINUS.
12515         (thumb2_addsi_shortim): Rename ...
12516         (thumb2_addsi_short): ... to this.  Allow register operands.
12517         (thumb2_subsi_short): New pattern.
12518         (thumb2_one_cmplsi2_short,
12519         thumb2_negsi2_short): New patterns and peepholes.
12521 2008-03-12  Paul Brook  <paul@codesourcery.com>
12523         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
12525 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
12527         * config/i386/i386.md (int_cond): New code iterator.
12528         (fp_cond): Ditto.
12529         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
12530         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
12531         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
12532         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
12533         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
12534         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
12535         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
12536         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
12538 2008-03-12  Paul Brook  <paul@codesourcery.com>
12540         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
12541         instead of {arm,thumb}_compute_save_reg_mask.
12542         (output_return_instruction): Ditto.
12543         (thumb_unexpanded_epilogue): Ditto.
12544         (thumb1_expand_prologue): Ditto.
12545         (thumb1_output_function_prologue): Ditto.
12546         (arm_set_return_address): Ditto.
12547         (thumb_set_return_address): Ditto.
12548         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
12549         regs to achieve stack alignment.
12550         (thumb1_compute_save_reg_mask): Fix compiler warning.
12551         (arm_output_epilogue): Use offsets->saved_regs_mask.
12552         Adjust stack pointer by poping call clobered registers.
12553         (arm_expand_prologue): Use offsets->saved_regs_mask.
12554         Adjust stack pointer by pushing extra registers.
12555         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
12557 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
12559         PR tree-opt/35422
12560         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
12561         conversion to the operands of a multiplication.
12563 2008-03-12  Richard Guenther  <rguenther@suse.de>
12565         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
12566         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
12567         * timevar.def (TV_TREE_PHIPROP): Add.
12568         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
12569         pass description.  Use TV_TREE_PHIPROP.
12570         * tree-ssa-forwprop.c: Remove phiprop code.
12572 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
12574         PR middle-end/35549
12575         * omp-low.c (maybe_lookup_decl): Constify first argument.
12576         (use_pointer_for_field): Change last argument from bool to
12577         omp_context *.  Disallow shared copy-in/out in nested
12578         parallel if decl is shared in outer parallel too.
12579         (build_outer_var_ref, scan_sharing_clauses,
12580         lower_rec_input_clauses, lower_copyprivate_clauses,
12581         lower_send_clauses, lower_send_shared_vars): Adjust callers.
12583 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
12584             Ira Rosen  <irar@il.ibm.com>
12586         * tree-vectorizer.c (free_stmt_vec_info): New function.
12587         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
12588         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
12589         * tree-vectorizer.h (free_stmt_vec_info): Declare.
12590         * tree-vect-transform.c (vectorizable_conversion): Free
12591         vec_oprnds0 if it was allocated.
12592         (vect_permute_store_chain): Remove unused VECs.
12593         (vectorizable_store): Free VECs that are allocated in the..
12594         function.
12595         (vect_transform_strided_load, vectorizable_load): Likewise.
12596         (vect_remove_stores): Simplify the code.
12597         (vect_transform_loop): Move code to vect_remove_stores().
12598         Call vect_remove_stores() and free_stmt_vec_info().
12600 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12602         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
12603         TARGET_HPUX.  Revise comment.
12604         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
12605         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
12606         Use sr4 variant of `be' instruction when not generating PIC code.
12607         (attr_length_call): Adjust for above change.
12609 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12611         * ipa-reference.c (static_execute): Remove module_statics_const and
12612         associated setting code.
12614 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
12616         PR target/35540
12617         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
12618         predicate for operand 1.
12619         (paritysi2_cmp): Use register_operand predicate for operand 2.
12620         Use earlyclobber modifier for operand 1.  Remove support for
12621         memory operands.
12622         (paritydi2_cmp): Use register_operand predicate for operand 3.
12623         Use earlyclobber modifier for operand 1.  Remove support for
12624         memory operands.
12626 2008-03-11  Paul Brook  <paul@codesourcery.com>
12627             Vladimir Prus  <vladimir@codesourcery.com>
12629         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
12630         (arm_compute_save_reg0_reg12_mask): Always
12631         check if register 11 must be saved.  Always safe hard frame pointer
12632         when frame_pointer_needeed.
12633         (arm_compute_save_reg_mask): Save IP and PC
12634         only with apcs frames.
12635         (arm_output_epilogue): Adjust Thumb2 codepath to
12636         be also invoked and work for ARM non-apcs frames.
12637         (arm_expand_prologue): Don't bother saving IP
12638         for non-apcs frame, since it's not clobbered by
12639         prologue code.  Implement non-apcs frame
12640         layout.
12642 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
12644         PR rtl-optimization/35281
12645         * expr.c (convert_move): Use a new pseudo for the intermediate
12646         from_mode->word_mode result.
12648 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
12650         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
12651         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
12652         * toplev.c (compile_file): Don't call it.
12654 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
12656         PR middle-end/35526
12657         * expr.c (store_expr): Call emit_block_move if the mode
12658         of "temp" RTX is BLKmode.
12660 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12661             Richard Guenther  <rguenther@suse.de>
12663         PR tree-optimization/31358
12664         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
12665         the step with a NULL_TREE.
12666         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
12667         to sizetype if type is a pointer type.
12668         (add_candidate_1): Don't convert the base and step to
12669         the generic type if the orginal type is a pointer type.
12670         (add_iv_value_candidates): Use sizetype for the step
12671         if type is a pointer type.
12672         (cand_value_at): Likewise.
12673         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
12674         for pointer types.
12675         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
12676         Don't convert the tem affine to the type.
12677         (add_elt_to_tree): Use sizetype for the step if a pointer.
12678         Use POINTER_PLUS_EXPR for pointers.
12679         (aff_combination_to_tree): Use sizetype for the step if a
12680         pointer.
12682 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
12684         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
12685         Remove commutativity hint.
12687 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
12689         PR c/35438
12690         PR c/35439
12691         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
12692         errorneous type.  Check that v is a VAR_DECL.
12694         PR middle-end/35099
12695         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
12697 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
12699         PR tree-optimization/35494
12700         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
12701         may be overriden at link and run time.
12703 2008-03-10  Richard Guenther  <rguenther@suse.de>
12705         PR tree-optimization/34677
12706         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
12707         (poolify_tree): Likewise.
12708         (modify_expr_template): Likewise.
12709         (poolify_modify_stmt): Likewise.
12710         (insert_fake_stores): Handle all component-ref style stores
12711         in addition to INDIRECT_REF.  Also handle complex types.
12712         Do not poolify the inserted load.
12713         (realify_fake_stores): Do not rebuild the tree but only
12714         make it a SSA_NAME copy.
12715         (init_pre): Remove initialzation of modify_expr_template.
12716         Do not allocate modify_expr_node_pool.
12717         (fini_pre): Do not free modify_expr_node_pool.
12719 2008-03-10  Paul Brook  <paul@codesourcery.com>
12721         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
12722         to avoid conflicts.
12724 2008-03-10  Paul Brook  <paul@codesourcery.com>
12725             Mark Shinwell  <shinwell@codesourcery.com>
12727         * config/arm/cortex-r4.md: New.
12728         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
12729         insn attributes.
12730         * config/arm/arm.md: Include cortex-r4.md.
12731         (insn): Add smmls, sdiv and udiv values.
12732         (generic_sched): Don't use generic scheduling for Cortex-R4.
12733         (arm_issue_rate): New function.
12734         (TARGET_SCHED_ISSUE_RATE): Define.
12736 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
12738         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
12740 2008-03-10  Richard Guenther  <rguenther@suse.de>
12742         * tree-ssa-pre.c (get_sccvn_value): Simplify.
12743         (compute_avail): Do not add stmt uses to AVAIL_OUT.
12745 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
12747         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
12748         Set default to true.
12750 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12752         * c.opt (Wsynth): Deprecate.
12753         * doc/invoke.texi (Option Summary, Warning Options): Document
12754         -Wno-format-contains-nul.
12756 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
12758         PR target/35496
12759         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
12760         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
12762 2008-03-09  Ira Rosen  <irar@il.ibm.com>
12764         * config/rs6000/rs6000.c (builtin_description): Rename vector
12765         left shift operations.
12766         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
12767         (altivec_vsl<VI_char>): Rename to ...
12768         (ashl<mode>3): ... new name.
12769         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
12770         gen_ashlv4si3.
12771         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
12773 2008-03-08  Richard Guenther  <rguenther@suse.de>
12775         * coverage.h (tree_coverage_counter_addr): Declare.
12776         * coverage.c (tree_coverage_counter_addr): New function.
12777         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
12778         before using again.
12779         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
12780         (tree_gen_one_value_profiler): Likewise.
12781         (tree_gen_ic_profiler): Likewise.
12782         (tree_gen_average_profiler): Likewise.
12783         (tree_gen_ior_profiler): Likewise.
12785 2008-03-08  Richard Guenther  <rguenther@suse.de>
12787         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
12788         (vn_binary_op_insert): Likewise.
12789         (vn_unary_op_lookup): Likewise.
12790         (vn_unary_op_insert): Likewise.
12791         (vn_nary_op_lookup): Declare.
12792         (vn_nary_op_insert): Likewise.
12793         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
12794         and binary hashes, use a single obstack for unary_op_pool
12795         and binary_op_pool.
12796         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
12797         a single struct vn_nary_op_s.  Store tree code length and
12798         a variable number of operands.
12799         (struct vn_reference_op_struct): Remove unused op2.
12800         (vn_reference_op_eq): Do not compare op2.
12801         (vn_reference_op_compute_hash): Do not compute hash of op2.
12802         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
12803         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
12804         with vn_nary_op_compute_hash.
12805         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
12806         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
12807         vn_nary_op_lookup.
12808         (vn_unary_op_insert, vn_binary_op_insert): Replace with
12809         vn_nary_op_insert.
12810         (visit_unary_op): Call nary functions.
12811         (visit_binary_op): Likewise.
12812         (process_scc): Adjust for struct vn_tables_s changes.
12813         (allocate_vn_table): Likewise.
12814         (free_vn_table): Likewise.
12815         * tree-vn.c (vn_add): Call nary functions.
12816         (vn_lookup): Likewise.
12818 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
12820         PR target/35498
12821         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
12822         wdst back after sync_compare_and_swapqhi_internal.
12824 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
12826         PR target/22152
12827         * config/i386/i386-modes.def (V1DI): New vector mode.
12828         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
12829         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
12830         (MMXMODE248): Ditto.
12831         (MMXMODE): Add V1DI mode.
12832         (mmxvecsize): Change DI mode to V1DI mode.
12833         ("mov<mode>): Use MMXMODEI8 mode iterator.
12834         ("*mov<mode>_internal_rex64"): Ditto.
12835         ("*mov<mode>_internal"): Ditto.
12836         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
12837         ("mmx_sub<mode>3"): Ditto.
12838         ("mmx_adddi3"): Remove insn pattern.
12839         ("mmx_subdi3"): Ditto.
12840         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
12841         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
12842         ("mmx_ashl<mode>3"): Ditto.
12843         ("mmx_lshrdi3"): Remove insn pattern.
12844         ("mmx_ashldi3"): Ditto.
12845         * config/i386/i386.c (classify_argument): Handle V1DImode.
12846         (function_arg_advance_32): Ditto.
12847         (function_arg_32): Ditto.
12848         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
12849         mmx_addv1di3 insn pattern.
12850         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
12851         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
12852         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
12853         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
12854         Remove definitions of built-in functions.
12855         (V1DI_type_node): New node.
12856         (v1di_ftype_v1di_int): Ditto.
12857         (v1di_ftype_v1di_v1di): Ditto.
12858         (v2si_ftype_v2si_si): Ditto.
12859         (v4hi_ftype_v4hi_di): Remove node.
12860         (v2si_ftype_v2si_di): Ditto.
12861         (ix86_init_mmx_sse_builtins): Handle V1DImode.
12862         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
12863         Redefine builtins using def_builtin_const with *_ftype_*_int node.
12864         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
12865         Add new builtins using def_builtin_const.
12866         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
12867         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
12868         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
12869         * config/i386/mmintrin.h (__v1di): New typedef.
12870         (_mm_add_si64): Cast arguments to __v1di type.
12871         (_mm_sub_si64): Ditto.
12872         (_mm_sll_pi16): Cast __count to __v4hi type.
12873         (_mm_sll_pi32): Cast __count to __v2si type.
12874         (_mm_sll_si64): Cast arguments to __v1di type.
12875         (_mm_srl_pi16): Cast __count to __v4hi type.
12876         (_mm_srl_pi32): Cast __count to __v2si type.
12877         (_mm_srl_si64): Cast arguments to __v1di type.
12878         (_mm_sra_pi16): Cast __count to __v4hi type.
12879         (_mm_sra_pi32): Cast __count to __v2si type.
12880         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
12881         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
12882         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
12883         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
12884         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
12885         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
12886         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
12887         (_mm_srai_pi32): Use __builtin_ia32_psradi.
12888         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
12889         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
12890         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
12891         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
12893 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
12895         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
12897 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
12899         PR target/35373
12900         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
12901         reg+const addressing for Altivec modes.  Don't generate reg+reg
12902         addressing for TFmode or TDmode quantities.
12904 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
12906         * c-common.c (vector_types_convertible_p): Call langhook
12907         instead of comptypes.
12909 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12911         PR tree-opt/35402
12912         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
12913         integral and scalar float variables which have a
12914         NULL DECL_INITIAL.
12916 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
12918         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
12919         dwarf_register_span hook when emitting unwind information for
12920         register-to-memory saves.
12921         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
12922         (rs6000_frame_related): Remove call to spe_synthesize_frame.
12924 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
12926         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
12927         for the same VAR_DECL.
12929 2008-03-06  Tom Tromey  <tromey@redhat.com>
12931         * treelang: Delete.
12932         * doc/standards.texi (Standards): Don't mention treelang.
12933         * doc/invoke.texi (Overall Options): Don't mention treelang.
12934         * doc/install.texi (Prerequisites): Don't mention bison or
12935         treelang.
12936         (Configuration): Don't mention treelang.
12937         (Building): Likewise.
12938         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
12940 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
12942         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
12943         word-extractions out of a multi-word object.
12945 2008-03-06  Richard Guenther  <rguenther@suse.de>
12947         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
12948         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
12949         result type and precision.
12950         * expr.c (get_inner_reference): Set unsignedp based on the result
12951         type of BIT_FIELD_REF.
12952         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
12953         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
12954         (try_instantiate_multiple_fields): Likewise.  Use the correct type
12955         for BIT_FIELD_REF.
12956         (sra_build_assignment): Likewise.
12957         (sra_build_elt_assignment): Likewise.
12958         (sra_explode_bitfield_assignment): Likewise.
12959         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
12960         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
12961         set BIT_FIELD_REF_UNSIGNED.
12962         (vectorizable_load): Likewise.
12964 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
12966         * cse.c (cse_extended_basic_block): Invalidate artificial defs
12967         at bb start.
12969 2008-03-06  Richard Guenther  <rguenther@suse.de>
12971         * alias.c (struct alias_set_entry): Move has_zero_child field
12972         to pack with alias_set.
12974 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
12976         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
12977         32bit host.
12979 2008-03-05  Ian Lance Taylor  <iant@google.com>
12981         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
12983 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
12985         * fwprop.c (update_df): Support width and offset parameters of
12986         df_ref_create.
12987         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
12988         global_conflicts): Change DF_REF_EXTRACT to either
12989         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
12990         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
12991         * df-scan.c (df_ref_record, df_defs_record,
12992         df_ref_create_structure, df_def_record_1, df_uses_record,
12993         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
12994         df_bb_refs_collect, df_entry_block_defs_collect,
12995         df_exit_block_uses_collect): Support new width and offset fields.
12996         (ref_extract_pool): New storage pool.
12997         (df_free_ref): New function.
12998         (df_reg_chain_unlink, df_free_collection_rec,
12999         df_sort_and_compress_refs): Call df_free_ref.
13000         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
13001         of df_ref_extract.
13002         (df_ref_create_structure): Allocate df_ref_extract if offset and
13003         width fields are used.
13004         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
13005         (df_uses_record): Get offset and width from ZERO_EXTRACT 
13006         and SIGN_EXTRACT.
13007         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
13008         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
13009         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
13010         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
13011         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
13012         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
13013         (df_ref_extract): New structure.
13014         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
13015         (df_ref_create): Add width and offset parameters.
13016         
13017 2008-03-05  Richard Guenther  <rguenther@suse.de>
13019         * tree-ssa-structalias.c (get_constraint_for_component_ref):
13020         Use ranges_overlap_p.
13021         (offset_overlaps_with_access): Rename
13022         to ranges_overlap_p and move ...
13023         * tree-flow-inline.h (ranges_overlap_p): ... here.
13025         * tree.h (get_inner_reference, handled_component_p): Update
13026         comments.
13028         * tree.h (record_component_aliases, get_alias_set,
13029         alias_sets_conflict_p, alias_sets_must_conflict_p,
13030         objects_must_conflict_p): Move declarations ...
13031         * alias.h (record_component_aliases, get_alias_set,
13032         alias_sets_conflict_p, alias_sets_must_conflict_p,
13033         objects_must_conflict_p): ... here.
13034         Include coretypes.h.
13035         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
13037 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
13039         * cfg.c: Include tree-flow.h.
13040         (remove_edge_raw): Call redirect_edge_var_map_clear.
13041         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
13042         * tree-flow-inline.h (redirect_edge_var_map_def): New.
13043         (redirect_edge_var_map_result): New.
13044         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
13045         PENDING_STMT use with redirect_edge_var_map_*.
13046         * tree-ssa.c (edge_var_maps): New definition.
13047         (redirect_edge_var_map_add): New.
13048         (redirect_edge_var_map_clear): New.
13049         (redirect_edge_var_map_dup): New.
13050         (redirect_edge_var_map_vector): New.
13051         (redirect_edge_var_map_destroy): New.
13052         (ssa_redirect_edge): Replace PENDING_STMT use with
13053         redirect_edge_var_map_*.
13054         (flush_pending_stmts): Same.
13055         (delete_tree_ssa): Destroy edge var map.
13056         * tree-flow.h (struct _edge_var_map): New.
13057         Define edge_var_map vector type.
13058         Declare redirect_edge_var_map_* prototypes.
13059         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
13060         * tree-cfg.c (reinstall_phi_args): Replace
13061         PENDING_STMT use with redirect_edge_var_map_*.
13063 2008-03-05  Richard Guenther  <rguenther@suse.de>
13065         PR tree-optimization/35472
13066         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
13067         whose single use_stmt has a overlapping set of loaded and
13068         stored symbols as that use_stmt might be a noop assignment then.
13070 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
13072         * gthr-rtems.h: Implement __gthread_mutex_destroy.
13074 2008-03-05  Richard Guenther  <rguenther@suse.de>
13076         PR c++/35336
13077         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
13078         should be constants.
13079         * tree-cfg.c (verify_expr): Verify it.
13080         * fold-const.c (fold_truthop): Remove code generating
13081         BIT_FIELD_REFs of structure bases.
13082         (fold_binary): Likewise.
13083         (fold_ternary): Position and size of BIT_FIELD_REFs are
13084         always host integers.
13085         (make_bit_field_ref): Remove.
13086         (optimize_bit_field_compare): Remove.
13087         (all_ones_mask_p): Remove.
13089 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
13091         PR gcc/33009
13092         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
13093         (split_block_and_df_analyze): New. Split basic block and rebuild
13094         dataflow.
13095         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
13096         SPLIT_BLOCK.
13097         (split_pattern_seq): Likewise.
13098         (erase_matching_seqs): Likewise.
13099         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
13101 2008-03-04  Geoff Keating  <geoffk@apple.com>
13103         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
13104         declaration and code.
13105         (tree_invalid_nonnegative_warnv_p): Likewise.
13107 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
13109         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
13110         examples.  Truncate option-names then causing overfull hbox.
13112 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13114         PR target/35222
13115         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
13116         on hpux10.
13117         * configure: Rebuilt.
13119 2008-03-04  Rafael Espindola  <espindola@google.com>
13121         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
13122         (tree_unary_nonnegative_warnv_p): New.
13123         (tree_binary_nonnegative_warnv_p): New.
13124         (tree_single_nonnegative_warnv_p): New.
13125         (tree_invalid_nonnegative_warnv_p): New.
13126         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
13128 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
13130         PR 28322
13131         * opts.c (handle_option): Postpone 'unknown option' errors only for
13132         warning options.
13134 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
13136         PR target/35453
13137         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
13138         (_SIDD_XXX): This.
13140 2008-03-04  Rafael Espindola  <espindola@google.com>
13142         * fold-const.c (tree_unary_nonzero_warnv_p): New.
13143         (tree_binary_nonzero_warnv_p): New.
13144         (tree_single_nonzero_warnv_p): New.
13145         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
13147 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
13149         PR middle-end/35456
13150         * fold-const.c (fold_cond_expr_with_comparison): Prevent
13151         transformations for modes that have signed zeros.
13152         * ifcvt.c (noce_try_abs): Ditto.
13154 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
13156         * config/i386/i386.c (override_options): Force
13157         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
13159 2008-03-04  Jan Hubicka  <jh@suse.cz>
13161         PR c++/35262
13162         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
13163         in last commit.
13165 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
13167         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
13168         label to probe the stack.
13170 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
13172         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
13173         (__gthr_win32_mutex_destroy): Declare.
13174         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
13175         __gthr_win32_mutex_destroy.
13176         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
13178 2008-03-03  Jan Hubicka  <jh@suse.cz>
13180         PR c++/35262
13181         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
13182         aggressive on inlining cold calls.
13184 2008-03-03  Richard Guenther  <rguenther@suse.de>
13186         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
13187         struct copies into the expression table.
13188         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
13189         (try_to_simplify): Likewise.
13190         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
13191         integral and pointer arguments which do not change the
13192         precision to NOP_EXPRs.
13193         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
13194         VIEW_CONVERT_EXPR case.
13196 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
13198         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
13199         defined in a loop at depth 0 is invariant.
13200         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
13201         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
13202         be called at loop depth 0.
13204 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
13206         PR driver/35420
13207         * gcc.c (process_command): Update copyright notice dates.
13208         * gcov.c (print_version): Likewise.
13209         * gcov-dump.c (print_version): Likewise.
13210         * mips-tfile.c (main): Likewise.
13211         * mips-tdump.c (main): Likewise.
13213 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
13215         PR 24924
13216         * c-common.c (flag_permissive): Delete.
13217         (constant_expression_warnings): Check flags first.
13218         (constant_expression_error): New.
13219         * c-common.h (flag_permissive): Delete.
13220         (constant_expression_error): Declare.
13221         * flags.h (flag_permissive): Declare. Update description.
13222         * diagnostic.c (pedwarn): Update.
13223         (permerror): New.
13224         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
13225         (permissive_error_kind): New.
13226         * toplev.c (flag_permissive): Define. Update description.
13227         * toplev.h (permissive_error_kind): Declare.
13228         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
13229         (pedwarn_c90): Use pedantic_warning_kind.
13230         * c-opts.c (c_common_post_options): flag_permissive does not affect
13231         flag_pedantic_errors.
13233 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
13235         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
13236         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
13237         __absvsi2, __absvDI2): Use unsigned arithmetic.
13239 2008-03-02  Andi Kleen  <ak@suse.de>
13240             Richard Guenther  <rguenther@suse.de>
13242         * struct-equiv.c: Remove file.
13243         * cfg_cleanup.c (condjump_equiv_p): Remove.
13244         * Makefile.in (OBJS-common): Remove struct-equiv.o.
13245         (struct-equiv.o): Remove rule.
13246         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
13247         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
13248         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
13250 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
13252         * ifcvt.c (noce_process_if_block): Try to handle only the then
13253         block if the else block exists but isn't suitable.
13255 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
13257         PR gcc/35063
13258         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
13259         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
13260         regression from previous patch.
13262 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
13264         PR gcc/35063
13265         * gthr.h: Add __gthread_mutex_destroy as a function that must be
13266         implemented.
13267         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
13268         * gthr-single.h (__gthread_mutex_destroy): Likewise.
13269         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
13270         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
13271         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
13272         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
13273         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
13274         (__gthread_mutex_destroy_function): Rename to
13275         __gthread_mutex_destroy.
13276         * gthr-dce.h (__gthread_mutex_destroy): Call
13277         pthread_mutex_destroy.
13278         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
13279         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
13280         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
13282 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
13284         * df-scan.c (df_ref_chain_change_bb): Simplify.
13285         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
13286         set_block_for_insn if there's any change.
13287         * df.h ((df_insn_change_bb): Fix prototype.
13288         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
13289         df_insn_change_bb, don't call set_block_for_insn.
13290         * emit-rtl.c (reorder_insns): Likewise.
13291         * haifa-sched.c (move_insn): Likewise.
13293 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
13295         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
13297 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
13299         * tree-flow-inline.h (next_readonly_imm_use): Return
13300         NULL_USE_OPERAND_P after the end.
13302 2008-03-01  Richard Guenther  <rguenther@suse.de>
13304         PR tree-optimization/35411
13305         * tree-sra.c (sra_build_assignment): Split conversion to
13306         final type to a separate statement if we are not assigning
13307         to a register.
13309 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
13311         * fold-const.c (fold_convertible_p): Correct the logic to follow
13312         that in fold_convert().
13314 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
13316         PR c++/35315
13317         * tree-inline.c (build_duplicate_type): When we make a
13318         duplicate type, make it unique in the canonical types system.
13320 2008-02-29  Tom Tromey  <tromey@redhat.com>
13322         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
13323         input_file_stack_history, input_file_stack_restored): Remove.
13324         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
13325         * input.h (struct file_stack): Remove.
13326         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
13327         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
13328         Likewise.
13329         * diagnostic.h (struct diagnostic_context) <last_module>: Change
13330         type.
13331         (diagnostic_last_module_changed): Add 'map' argument.
13332         (diagnostic_set_last_function): Likewise.
13333         * diagnostic.c (undiagnostic_report_current_module): Iterate using
13334         line map, not input_file_stack.
13335         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
13337 2008-02-29  Paul Brook  <paul@codesourcery.com>
13339         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
13341 2008-02-29  Paul Brook  <paul@codesourcery.com>
13343         * config/arm/ieee754-df.S (muldf3): Use RET macros.
13345 2008-02-29  Richard Guenther  <rguenther@suse.de>
13347         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
13348         vn_lookup_or_add.
13349         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
13350         value for comparing for a store match.
13351         (simplify_unary_expression): Do nothing for SSA_NAMEs.
13352         (try_to_simplify): Do not do a full-blown reference lookup.
13354 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
13356         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
13357         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13359         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
13361 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
13363         * tree-loop-linear.c (try_interchange_loops): Compare memory access
13364         strides against cache sizes.
13366 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
13368         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
13369         constant to fpul.
13371 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
13373         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
13374         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
13375         is smaller than the original promoted value.
13376         (simplify_subreg): If OP is a SUBREG, try to preserve its
13377         SUBREG_PROMOTED_VAR_P information.
13379 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
13381         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
13382         (VN_INFO_GET): Allocate new objects on the obstack.
13383         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
13384         for rpo_numbers_temp, for consistency.
13385         (free_scc_vn): Free the obstack.
13387 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
13389         * doc/invoke.texi: Document -ftree-loop-distribution.
13390         * tree-loop-distribution.c: New.
13391         * tree-pass.h (pass_loop_distribution): New.
13392         * graphds.h (struct graph): Add htab_t indices.
13393         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
13394         * tree-vectorizer.c (rename_variables_in_loop): Extern.
13395         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
13396         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
13397         * tree-data-ref.c (debug_data_dependence_relations): New.
13398         (dump_data_dependence_relation): Also print data references.
13399         (free_data_ref): Extern.
13400         (same_access_functions): Moved...
13401         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
13402         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
13403         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
13404         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
13405         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
13406         (stmts_from_loop): Skip LABEL_EXPR.
13407         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
13408         New.
13409         (build_rdg): Initialize rdg->indices htab.
13410         (free_rdg, stores_from_loop, ref_base_address,
13411         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
13412         have_similar_memory_accesses_1, ref_base_address_1,
13413         remove_similar_memory_refs): New.
13414         * tree-data-ref.h: Depend on tree-chrec.h.
13415         (debug_data_dependence_relations, free_data_ref): Declared.
13416         (same_access_functions): ... here.
13417         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
13418         New.
13419         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
13420         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
13421         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
13422         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
13423         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
13424         rdg_vertex_for_stmt): Declared.
13425         (struct rdg_edge): Add level.
13426         (RDGE_LEVEL): New.
13427         (free_rdg, stores_from_loop, remove_similar_memory_refs,
13428         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
13429         Declared.
13430         (rdg_has_similar_memory_accesses): New.
13431         * tree-vect-analyze.c: Remove unused static decls.
13432         * lambda.h (dependence_level): New.
13433         * common.opt (ftree-loop-distribution): New.
13434         * tree-flow.h (mark_virtual_ops_in_bb, 
13435         slpeel_tree_duplicate_loop_to_edge_cfg,
13436         rename_variables_in_loop): Declared.
13437         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
13438         (OBJS-common): Add tree-loop-distribution.o.
13439         (tree-loop-distribution.o): New rule.
13440         * tree-cfg.c (mark_virtual_ops_in_bb): New.
13441         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
13442         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
13444 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
13446         PR target/33963
13447         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
13448         other than structures and unions.
13450 2008-02-28  Richard Guenther  <rguenther@suse.de>
13452         Revert:
13453         2008-02-26  Richard Guenther  <rguenther@suse.de>
13455         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
13456         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
13457         (lookup_decl_from_uid): Declare.
13458         (remove_decl_from_map): Likewise.
13459         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
13460         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
13461         (decl_for_uid_map): New global hashtable mapping DECL_UID
13462         to the decl tree.
13463         (init_ttree): Allocate it.
13464         (insert_decl_to_uid_decl_map): New helper function.
13465         (make_node_stat): Insert new decls into the map.
13466         (copy_node_stat): Likewise.
13467         (lookup_decl_from_uid): New function.
13468         (remove_decl_from_map): Likewise.
13469         (print_decl_for_uid_map_statistics): New helper.
13470         (dump_tree_statistics): Call it.
13472         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
13473         (referenced_var_iterator): Adjust.
13474         (FOR_EACH_REFERENCED_VAR): Adjust.
13475         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
13476         (num_referenced_vars): Adjust.
13477         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
13478         (first_referenced_var): Remove.
13479         (end_referenced_vars_p): Likewise.
13480         (next_referenced_var): Likewise.
13481         (referenced_var_iterator_set): New helper function.
13482         * tree-dfa.c (referenced_var_lookup): Adjust.
13483         (referenced_var_check_and_insert): Likewise.
13484         (remove_referenced_var): Likewise.
13485         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
13486         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
13487         (verify_call_clobbering): Likewise.
13488         (verify_memory_partitions): Likewise.
13489         (init_tree_ssa): Allocate bitmap instead of hashtable for
13490         referenced_vars.
13491         (delete_tree_ssa): Adjust.
13492         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
13493         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
13494         (compute_tag_properties): Likewise.
13495         (set_initial_properties): Likewise.
13496         (find_partition_for): Likewise.
13497         (update_reference_counts): Likewise.
13498         (dump_may_aliases_for): Likewise.
13499         * tree-ssa-operands.c (add_virtual_operand): Likewise.
13500         (add_call_clobber_ops): Likewise.
13501         (add_call_read_ops): Likewise.
13502         (get_asm_expr_operands): Likewise.
13503         * tree-into-ssa.c (dump_decl_set): Likewise.
13504         (update_ssa): Likewise.
13505         * tree-sra.c (scan_function): Likewise.
13506         (decide_instantiations): Likewise.
13507         (scalarize_parms): Likewise.
13508         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
13509         (dsa_named_for): Likewise.
13510         * tree-ssa-structalias.c (update_alias_info): Likewise.
13511         (merge_smts_into): Likewise.
13513 2008-02-27  David Daney  <ddaney@avtrex.com>
13515         PR target/34409
13516         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
13517         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
13518         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
13519         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
13520         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
13522 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
13524         PR target/25477
13525         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
13526         (BUILT_IN_NEXTTOWARD): Remove.
13527         (BUILT_IN_NEXTTOWARDF): Ditto.
13528         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
13529         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
13531 2008-02-27  Tom Tromey  <tromey@redhat.com>
13533         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
13534         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
13536 2008-02-27  Jan Beulich  <jbeulich@novell.com>
13538         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
13539         update the respective field on newdecl.
13541 2008-02-27  Revital Eres  <eres@il.ibm.com>
13543         PR rtl-optimization/34999
13544         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
13545         crossing edges that ends with a call insn.
13546         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
13547         call insn and clear the EDGE_CROSSING flag of the crossing edge
13548         when fixing fallthru edges.
13550 2008-02-27  Richard Guenther  <rguenther@suse.de>
13552         PR middle-end/35390
13553         * fold-const.c (fold_unary): Return the correct argument,
13554         converted to the result type.
13556 2008-02-27  Richard Guenther  <rguenther@suse.de>
13558         PR middle-end/34971
13559         * expr.c (expand_expr_real_1): Assert on rotates that operate
13560         on partial modes.
13561         * fold-const.c (fold_binary): Use the types precision, not the
13562         bitsize of the mode if folding rotate expressions.  Build rotates
13563         only for full modes.
13565 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
13567         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
13568         and CPP_PRAGMA_EOL.
13569         * c-pragma.c (pragma_ns_name): New typedef.
13570         (registered_pp_pragmas): New variable.
13571         (c_pp_lookup_pragma): New function.
13572         (c_register_pragma_1): If flag_preprocess_only, do nothing
13573         for non-expanded pragmas, for expanded ones push pragma's
13574         namespace and name into registered_pp_pragmas vector.
13575         (c_invoke_pragma_handler): Register OpenMP pragmas even when
13576         flag_preprocess_only, don't register GCC pch_preprocess
13577         pragma if flag_preprocess_only.
13578         * c-opts.c (c_common_init): Call init_pragma even if
13579         flag_preprocess_only.
13580         * c-pragma.c (c_pp_lookup_pragma): New prototype.
13581         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
13582         cpp_register_pragma if flag_preprocess_only.
13584 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13586         PR c/28800
13587         * c-parser.c (c_parser_translation_unit): Warn for empty
13588         translation unit, not empty source file.
13590 2008-02-26  Paul Brook  <paul@codesourcery.com>
13592         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
13593         operand for Thumb-2.
13594         * config/arm/arm.h (reg_class): Add CORE_REGS.
13595         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
13596         (BASE_REG_CLASS): Use CORE_REGS.
13597         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
13598         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
13599         (REGNO_OK_FOR_INDEX_P): Exclude SP.
13600         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
13601         ARM_REGNO_OK_FOR_INDEX_P.
13602         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
13603         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
13604         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
13605         (ldm/stm peepholes): Ditto.
13606         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
13607         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
13608         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
13609         * config/arm/constraints.md: Enable "k" constraint on ARM.
13611 2008-02-27  Ben Elliston  <bje@au.ibm.com>
13613         * config/rs6000/rs6000.c: Annotate cache line size field in all
13614         instances of struct processor_costs.
13616 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
13618         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
13619         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
13620         jump_bypass): New counters.
13621         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
13622         * dce.c (gate_ud_dce): Same.
13623         (gate_fast_dce): Same.
13624         * dse.c (gate_dse1): New function.
13625         (gate_dse2): New function.
13626         (gate_dse): Merge results of new gate functions.
13627         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
13628         (gate_handle_jump_bypass): Add dbg_cnt.
13629         (gate_handle_gcse): Add dbg_cnt.
13630         * ifcvt.c (gate_handle_if_conversion): Same.
13631         (gate_handle_if_after_combine): Same.
13632         (gate_handle_if_after_reload): Same.
13633         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
13635 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
13637         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
13638         line sizes.
13639         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
13641 2008-02-26  Jason Merrill  <jason@redhat.com>
13643         PR c++/35315
13644         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
13645         alone if it's the naming decl for the type's main variant.
13647 2008-02-26  Tom Tromey  <tromey@redhat.com>
13649         * system.h (USE_MAPPED_LOCATION): Poison.
13650         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
13651         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
13652         (make_goto_expr_edges): Likewise.
13653         (remove_bb): Likewise.
13654         (execute_warn_function_return): Likewise.
13655         * basic-block.h (struct edge_def) <goto_locus>: Change type to
13656         location_t.
13657         * c-common.c (fname_decl): Remove old location code.
13658         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
13659         location code.
13660         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
13661         variant.
13662         (ASM_INPUT_SOURCE_LOCATION): Likewise.
13663         (gen_rtx_ASM_INPUT): Likewise.
13664         (gen_rtx_ASM_INPUT_loc): Likewise.
13665         (get_rtx_asm_OPERANDS): Remove.
13666         * cfglayout.c (insn_locators_alloc): Remove old location code.
13667         (set_curr_insn_source_location): Likewise.
13668         (curr_insn_locator): Likewise.
13669         * print-tree.c (print_node): Remove old location code.
13670         * tree-mudflap.c (mf_varname_tree): Remove old location code.
13671         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
13672         * cfgexpand.c (expand_gimple_cond_expr): Don't use
13673         location_from_locus.
13674         (construct_exit_block): Remove old location code.
13675         * emit-rtl.c (force_next_line_note): Remove old location code.
13676         * profile.c (branch_prob): Remove old location code.
13677         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
13678         LOC_LINE): Remove old-location variants.
13679         * langhooks.c (lhd_print_error_function): Remove old location
13680         code.
13681         * configure, config.in: Rebuilt.
13682         * configure.ac (--enable-mapped-location): Remove.
13683         * c-decl.c (c_init_decl_processing): Remove old location code.
13684         (finish_function): Likewise.
13685         * recog.c (decode_asm_operands): Remove old location code.
13686         * c-pch.c (c_common_read_pch): Remove old location code.
13687         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
13688         variants.
13689         * gimple-low.c (lower_function_body): Remove old location code.
13690         * toplev.c (unknown_location): Remove.
13691         (push_srcloc): Remove old-location variant.
13692         (process_options): Remove old location code.
13693         (lang_dependent_init): Likewise.
13694         * input.h (UNKNOWN_LOCATION): Move definition.
13695         (location_t): Undeprecate.
13696         (source_locus): Remove.
13697         (location_from_locus): Remove.
13698         (struct location_s): Remove.
13699         Remove all old-location code.
13700         (input_line, input_filename): Remove.
13701         * final.c (final_scan_insn): Remove old location code.
13702         * diagnostic.c (diagnostic_build_prefix): Remove
13703         USE_MAPPED_LOCATION test.
13704         * tree.h (gimple_stmt) <locus>: Now a location_t.
13705         (tree_exp) <locus>: Likewise.
13706         (DECL_IS_BUILTIN): Remove old-location variant.
13707         (annotate_with_file_line, annotate_with_locus): Likewise.
13708         (expr_locus, set_expr_locus): Update.
13709         * tree.c (build1_stat): Remove old location code.
13710         (last_annotated_node): Remove.
13711         (annotate_with_file_line): Remove old-location variant.
13712         (annotate_with_locus): Likewise.
13713         (expr_location): Remove old location code.
13714         (set_expr_location): Likewise.
13715         (expr_has_location): Likewise.
13716         (expr_locus): Likewise.
13717         (set_expr_locus): Likewise.
13718         (expr_filename): Don't use location_from_locus.
13719         (expr_lineno): Likewise.
13720         * rtl-error.c (location_for_asm): Remove old location code.
13721         * c-lex.c (cb_line_change): Remove old location code.
13722         (fe_file_change): Likewise.
13723         (cb_def_pragma): Likewise.
13724         (c_lex_with_flags): Likewise.
13725         * gengtype.c (do_typedef): Don't special-case location types.
13726         (define_location_structures): Remove.
13727         (main): Don't call define_location_structures.
13728         * tree-pretty-print.c (dump_implicit_edges): Remove old location
13729         code.
13731 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
13733         PR 26264
13734         * builtins.def (BUILT_IN_STDARG_START): Remove.
13735         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
13736         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
13737         * tree-inline.c (inline_forbidden_p_1): Likewise.
13738         
13739 2008-02-26  Richard Guenther  <rguenther@suse.de>
13741         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
13742         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
13743         (lookup_decl_from_uid): Declare.
13744         (remove_decl_from_map): Likewise.
13745         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
13746         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
13747         (decl_for_uid_map): New global hashtable mapping DECL_UID
13748         to the decl tree.
13749         (init_ttree): Allocate it.
13750         (insert_decl_to_uid_decl_map): New helper function.
13751         (make_node_stat): Insert new decls into the map.
13752         (copy_node_stat): Likewise.
13753         (lookup_decl_from_uid): New function.
13754         (remove_decl_from_map): Likewise.
13755         (print_decl_for_uid_map_statistics): New helper.
13756         (dump_tree_statistics): Call it.
13758         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
13759         (referenced_var_iterator): Adjust.
13760         (FOR_EACH_REFERENCED_VAR): Adjust.
13761         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
13762         (num_referenced_vars): Adjust.
13763         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
13764         (first_referenced_var): Remove.
13765         (end_referenced_vars_p): Likewise.
13766         (next_referenced_var): Likewise.
13767         (referenced_var_iterator_set): New helper function.
13768         * tree-dfa.c (referenced_var_lookup): Adjust.
13769         (referenced_var_check_and_insert): Likewise.
13770         (remove_referenced_var): Likewise.
13771         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
13772         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
13773         (verify_call_clobbering): Likewise.
13774         (verify_memory_partitions): Likewise.
13775         (init_tree_ssa): Allocate bitmap instead of hashtable for
13776         referenced_vars.
13777         (delete_tree_ssa): Adjust.
13778         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
13779         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
13780         (compute_tag_properties): Likewise.
13781         (set_initial_properties): Likewise.
13782         (find_partition_for): Likewise.
13783         (update_reference_counts): Likewise.
13784         (dump_may_aliases_for): Likewise.
13785         * tree-ssa-operands.c (add_virtual_operand): Likewise.
13786         (add_call_clobber_ops): Likewise.
13787         (add_call_read_ops): Likewise.
13788         (get_asm_expr_operands): Likewise.
13789         * tree-into-ssa.c (dump_decl_set): Likewise.
13790         (update_ssa): Likewise.
13791         * tree-sra.c (scan_function): Likewise.
13792         (decide_instantiations): Likewise.
13793         (scalarize_parms): Likewise.
13794         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
13795         (dsa_named_for): Likewise.
13796         * tree-ssa-structalias.c (update_alias_info): Likewise.
13797         (merge_smts_into): Likewise.
13799 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
13801         PR 34351
13802         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
13803         * c-opts.c (c_common_handle_option): Wall enables
13804         Wvolatile-register-var.
13805         * common.opt: Move Wvolatile-register-var to...
13806         * c.opt: ...here.
13807         
13808 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
13810         * common.opt (Wlarger-than=): New.
13811         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
13812         -Wlarger-than=.
13813         * opts.c (common_handle_option): Handle -Wlarger-than=.
13814         * optc-gen.awk: Likewise.
13815         * opth-gen.awk: Likewise.
13816         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
13817         * tree-optimize.c (tree_rest_of_compilation): Likewise.
13818         
13819 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13821         * c-common.c (match_case_to_enum_1): Add appropriate
13822         OPT_W* parameter to warning.
13823         (c_do_switch_warnings): Likewise.
13824         * c-typeck.c (warning_init): Add one more parameter following
13825         'warning' function.
13826         (push_init_level): Update call to warning_init.
13827         (pop_init_level): Likewise.
13828         (add_pending_init): Likewise.
13829         (output_init_element: Likewise.
13831 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
13833         PR 28322
13834         * toplev.c (toplev_main): If there are warnings or error, print
13835         errors for ignored options.
13836         * opts.c (ignored_options): New static variable.
13837         (postpone_unknown_option_error): New.
13838         (print_ignored_options): New.
13839         (handle_option): Postpone errors for unknown -Wno-* options.
13840         * opts.h (print_ignored_options): Declare.
13841         
13842 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
13844         * config/mips/mips.md (loadgp_blockage, blockage): Change type
13845         to "ghost".
13847 2008-02-25  Richard Guenther  <rguenther@suse.de>
13849         Revert:
13850         2008-02-25  Richard Guenther  <rguenther@suse.de>
13852         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
13853         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
13854         (lookup_decl_from_uid): Declare.
13855         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
13856         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
13857         (decl_for_uid_map): New global hashtable mapping DECL_UID
13858         to the decl tree.
13859         (init_ttree): Allocate it.
13860         (insert_decl_to_uid_decl_map): New helper function.
13861         (make_node_stat): Insert new decls into the map.
13862         (copy_node_stat): Likewise.
13863         (lookup_decl_from_uid): New function.
13864         (print_decl_for_uid_map_statistics): New helper.
13865         (dump_tree_statistics): Call it.
13867         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
13868         (referenced_var_iterator): Adjust.
13869         (FOR_EACH_REFERENCED_VAR): Adjust.
13870         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
13871         (num_referenced_vars): Adjust.
13872         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
13873         (first_referenced_var): Remove.
13874         (end_referenced_vars_p): Likewise.
13875         (next_referenced_var): Likewise.
13876         (referenced_var_iterator_set): New helper function.
13877         * tree-dfa.c (referenced_var_lookup): Adjust.
13878         (referenced_var_check_and_insert): Likewise.
13879         (remove_referenced_var): Likewise.
13880         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
13881         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
13882         (verify_call_clobbering): Likewise.
13883         (verify_memory_partitions): Likewise.
13884         (init_tree_ssa): Allocate bitmap instead of hashtable for
13885         referenced_vars.
13886         (delete_tree_ssa): Adjust.
13887         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
13888         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
13889         (compute_tag_properties): Likewise.
13890         (set_initial_properties): Likewise.
13891         (find_partition_for): Likewise.
13892         (update_reference_counts): Likewise.
13893         (dump_may_aliases_for): Likewise.
13894         * tree-ssa-operands.c (add_virtual_operand): Likewise.
13895         (add_call_clobber_ops): Likewise.
13896         (add_call_read_ops): Likewise.
13897         (get_asm_expr_operands): Likewise.
13898         * tree-into-ssa.c (dump_decl_set): Likewise.
13899         (update_ssa): Likewise.
13900         * tree-sra.c (scan_function): Likewise.
13901         (decide_instantiations): Likewise.
13902         (scalarize_parms): Likewise.
13903         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
13904         (dsa_named_for): Likewise.
13905         * tree-ssa-structalias.c (update_alias_info): Likewise.
13906         (merge_smts_into): Likewise.
13908 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
13910         PR fortran/29549
13911         * doc/invoke.texi (-fcx-limited-range): Document new option.
13912         * toplev.c (process_options): Handle -fcx-fortran-rules.
13913         * common.opt: Add documentation for -fcx-fortran-rules.
13915 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
13917         PR c/35162
13918         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
13919         actual behaviour and C99.
13920         
13921 2008-02-26  Ben Elliston  <bje@au.ibm.com>
13923         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
13924         (ASM_CPU_POWER6_SPEC): Likewise.
13925         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
13926         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
13927         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
13929 2008-02-25  Richard Guenther  <rguenther@suse.de>
13931         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
13932         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
13933         (lookup_decl_from_uid): Declare.
13934         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
13935         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
13936         (decl_for_uid_map): New global hashtable mapping DECL_UID
13937         to the decl tree.
13938         (init_ttree): Allocate it.
13939         (insert_decl_to_uid_decl_map): New helper function.
13940         (make_node_stat): Insert new decls into the map.
13941         (copy_node_stat): Likewise.
13942         (lookup_decl_from_uid): New function.
13943         (print_decl_for_uid_map_statistics): New helper.
13944         (dump_tree_statistics): Call it.
13946         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
13947         (referenced_var_iterator): Adjust.
13948         (FOR_EACH_REFERENCED_VAR): Adjust.
13949         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
13950         (num_referenced_vars): Adjust.
13951         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
13952         (first_referenced_var): Remove.
13953         (end_referenced_vars_p): Likewise.
13954         (next_referenced_var): Likewise.
13955         (referenced_var_iterator_set): New helper function.
13956         * tree-dfa.c (referenced_var_lookup): Adjust.
13957         (referenced_var_check_and_insert): Likewise.
13958         (remove_referenced_var): Likewise.
13959         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
13960         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
13961         (verify_call_clobbering): Likewise.
13962         (verify_memory_partitions): Likewise.
13963         (init_tree_ssa): Allocate bitmap instead of hashtable for
13964         referenced_vars.
13965         (delete_tree_ssa): Adjust.
13966         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
13967         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
13968         (compute_tag_properties): Likewise.
13969         (set_initial_properties): Likewise.
13970         (find_partition_for): Likewise.
13971         (update_reference_counts): Likewise.
13972         (dump_may_aliases_for): Likewise.
13973         * tree-ssa-operands.c (add_virtual_operand): Likewise.
13974         (add_call_clobber_ops): Likewise.
13975         (add_call_read_ops): Likewise.
13976         (get_asm_expr_operands): Likewise.
13977         * tree-into-ssa.c (dump_decl_set): Likewise.
13978         (update_ssa): Likewise.
13979         * tree-sra.c (scan_function): Likewise.
13980         (decide_instantiations): Likewise.
13981         (scalarize_parms): Likewise.
13982         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
13983         (dsa_named_for): Likewise.
13984         * tree-ssa-structalias.c (update_alias_info): Likewise.
13985         (merge_smts_into): Likewise.
13987 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
13989         PR target/35258
13990         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
13991         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
13992         * alias.h (nonoverlapping_memrefs_p): Likewise.
13994 2008-02-25  Jan Beulich  <jbeulich@novell.com>
13996         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
13997         * config/i386/netware-libgcc.exp: Add __bswap?i2,
13998         __emultls_get_address, __emultls_register_common,
13999         __floatundi?f, and _Unwind_GetIPInfo.
14000         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
14001         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
14002         (gen_regparm_prefix): Likewise.
14003         (i386_nlm_encode_section_info): Sync with
14004         config/i386/winnt.c:i386_pe_encode_section_info().
14005         (i386_nlm_maybe_mangle_decl_assembler_name): New.
14006         i386_nlm_mangle_decl_assembler_name): New.
14007         (netware_override_options): New.
14008         * config/i386/netware.h (netware_override_options): Declare.
14009         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
14010         (i386_nlm_mangle_decl_assembler_name): Declare.
14011         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
14013 2008-02-25  Ben Elliston  <bje@au.ibm.com>
14015         PR other/32948
14016         * c-decl.c (grokdeclarator): Remove unused local variables
14017         `typedef_type' and `type_as_written'.
14018         * bb-reorder.c
14019         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
14020         unused local variable `has_hot_blocks'.
14021         (fix_crossing_conditional_branches): Remove unused local variable
14022         `prev_bb'.
14023         
14024 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
14026         PR middle-end/19984
14027         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
14028         using DEF_C99_BUILTIN.
14029         (BUILT_IN_NANF): Ditto.
14030         (BUILT_IN_NANL): Ditto.
14032 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
14033             Revital Eres  <eres@il.ibm.com>
14035         * modulo-sched.c (calculate_must_precede_follow): Address TODO
14036         regarding the order of two dependent insns in the same row.
14038 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
14040         * stor-layout.c (layout_decl): Do not bump the alignment of a
14041         bit-field to more than byte alignment if it is packed.
14043 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
14045         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
14046         e300c2 and e300c3.
14048 2008-02-24  Diego Novillo  <dnovillo@google.com>
14050         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
14052         PR 33738
14053         * tree-vrp.c (vrp_evaluate_conditional): With
14054         -Wtype-limits, emit a warning when comparing against a
14055         constant outside the natural range of OP0's type.
14056         * c.opt (Wtype-limits): Move ...
14057         * common.opt (Wtype-limits): ... here.
14059 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
14061         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
14062         * config/rs6000/e300c2c3.md: New file.
14063         * config/rs6000/rs6000.c (processor_costs): Add new costs for
14064         e300c2 and e300c3.
14065         (rs6000_override_options): Add e300c2 and e300c3 cases to
14066         processor_target_table. Do not allow usage of Altivec or Spe
14067         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
14068         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
14069         * config/rs6000/rs6000.h (processor_type): Add
14070         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
14071         (ASM_CPU_SPEC): Add e300c2 and e300c3.
14072         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
14073         and ppce300c3. Include e300c2c3.md.
14075 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
14077         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
14078         instead of TARGET_STRICT_ALIGN.
14080 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
14082         * explow.c (memory_address): Assert that the generated address is
14083         valid.
14085 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
14087         PR target/25477
14088         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
14089         * config/darwin-ppc-ldouble-patch.def: New file.
14090         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
14091         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
14092         SUBTARGET_INIT_BUILTINS if defined.
14093         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
14094         New functions.
14096 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14098         PR rtl-opt/33512
14099         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
14100         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
14102 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14104         PR pch/35027
14105         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
14106         file" warning condtional on -Winvalid-PCH.
14108 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
14110         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
14112 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
14114         PR target/22076
14115         PR target/34256 
14116         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
14117         prevent reload from using MMX registers.
14118         (*mov<mode>_internal): Ditto.
14119         (*movv2sf_internal_rex64): Ditto.
14120         (*movv2sf_internal): Ditto.
14122 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14124         PR documentation/31569
14125         * doc/install.texi2html: Use makeinfo --no-number-sections.
14127 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
14129         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
14130         ensure that we can address an entire entity > 8 bytes.  Don't
14131         generate reg+reg addressing for such data.
14133 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
14135         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
14136         strings when optimizing for size, unless the target cares about
14137         alignment.
14139 2008-02-22  Tom Tromey  <tromey@redhat.com>
14141         * regclass.c (current_pass): Remove declaration.
14143 2008-02-22  Anatoly Sokolov <aesok@post.ru>
14145         * config/avr/libgcc.S (__RAMPZ__): Define.
14146         (__do_copy_data): Add for devices with 128KB code memory.
14148 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
14150         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
14151         Use spe_abi.
14152         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
14154 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
14156         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
14157         GENNONACR_REGS.
14159 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14161         PR c/19999
14162         * c-typeck.c (build_binary_op): Warn about floating point
14163         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
14165 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
14167         PR target/34526
14168         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
14169         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
14170         add vrsave.
14171         (rs6000_override_options): Set altivec_abi as default, not override,
14172         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
14173         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
14174         is used; use new member spe_abi.
14175         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
14176         spe_abi and altivec_abi.
14178 2008-02-22  Tomas Bily  <tbily@suse.cz>
14180         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
14182 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14184         PR bootstrap/35273
14185         * config.build (build_file_translate): Set to `CMD //c' only if
14186         it works.
14187         * Makefile.in (build_file_translate): Improve comment.
14189 2008-02-21  Jan Hubicka  <jh@suse.cz>
14191         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
14192         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
14193         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
14195 2008-02-21  Michael Matz  <matz@suse.de>
14197         PR target/35264
14198         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
14200 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
14202         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
14203         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
14204         as insn constraint.
14205         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
14206         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
14207         SSE_VEC_FLOAT_MODE_P as insn constraint.
14208         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
14209         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
14210         sse4a_movntdf using MODEF mode iterator.
14211         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
14212         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
14213         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
14214         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
14215         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
14216         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
14217         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
14219 2008-02-21  Richard Guenther  <rguenther@suse.de>
14221         * tree.def (PAREN_EXPR): New tree code.
14222         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
14223         and PAREN_EXPR.
14224         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
14225         * expr.c (expand_expr_real_1): Likewise.
14226         * tree-inline.c (estimate_num_insns_1): Likewise.
14227         * tree-complex.c (expand_complex_move): Likewise.
14228         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
14229         as plain x.
14231 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
14233         PR target/35225
14234         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
14236 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
14238         PR target/35190
14239         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
14241         * config/sh/sh.c (find_barrier): Don't go past
14242         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
14244 2008-02-20  DJ Delorie  <dj@redhat.com>
14246         * config/h8300/h8300.md (insv): Force source operand to be a register.
14248         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
14249         as a jump, not as a plain insn.
14250         
14251 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
14253         * doc/invoke.texi (Warning Options): Add new option
14254         -Wframe-larger-than=.
14255         (-Wframe-larger-than): Document.
14257         * flags.h (warn_frame_larger_than, frame_larger_than_size):
14258         Add declarations for new option variables.
14260         * final.c (final_start_function): Check the frame size
14261         before emission and issue a Wframe-larger-than warning.
14263         * opts.c (warn_frame_larger_than, frame_larger_than_size):
14264         Add definitions for new option variables.
14265         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
14267         * common.opt (Wframe-larger-than=): New option.
14269 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
14271         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
14272         (<sse>_div<mode>3): Ditto.
14273         (<sse>_vmdiv<mode>3): Ditto.
14274         (<sse>_vmsqrt<mode>2): Ditto.
14275         (*smax<mode>3): Ditto.
14276         (sse5_frcz<mode>2): Ditto.
14277         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
14278         as insn constraint.
14280 2008-02-20  Richard Guenther  <rguenther@suse.de>
14282         PR middle-end/35265
14283         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
14284         be happy with INTEGRAL_TYPE_P.
14286 2008-02-20  Richard Guenther  <rguenther@suse.de>
14288         * fold-const.c (split_tree): Associate floatig-point expressions
14289         if flag_associative_math is set.
14291 2008-02-20  Richard Guenther  <rguenther@suse.de>
14293         * tree.h (fold_real_zero_addition_p): Declare.
14294         * fold-const.c (fold_real_zero_addition_p): Export.
14295         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
14296         floating-point operations with zero and one.
14298 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
14300         * doc/install.texi: Correct references to CFLAGS, replacing them
14301         with BOOT_CFLAGS.  Document flags used during bootstrap for
14302         target libraries.
14303                                 
14304 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
14306         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
14307         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
14308         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
14309         insn constraint.
14310         (smin<mode>3): Ditto from similar patterns.
14311         (smax<mode>3): Ditto.
14312         (*ieee_smin<mode>3): Ditto.
14313         (*ieee_smax<mode>3): Ditto.
14314         * config/i386/sse.md (sse): New mode attribute.
14315         (mov<mode>): Macroize expander from movv4sf and movv2df using
14316         SSEMODEF2P mode iterator.
14317         (<sse>_movnt<mode>): Ditto from similar patterns. Use
14318         SSE_VEC_FLOAT_MODE_P as insn constraint.
14319         (storent<mode>): Ditto.
14320         (storent<mode>): Macroize expander from storentsf and storentdf using
14321         MODEF mode iterator.
14322         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
14323         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
14324         (abs<mode>2): Ditto from similar patterns.
14325         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
14326         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
14327         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
14328         (<sse>_vmsqrt<mode>2): Ditto.
14329         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
14330         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
14331         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
14332         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
14333         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
14334         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
14335         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
14336         insn constraint.
14337         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
14338         iterator and SSE_FLOAT_MODE_P as insn constraint.
14339         (<sse>_ucomi): Ditto from similar patterns.
14340         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
14341         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
14342         SSE_VEC_FLOAT_MODE_P as insn constraint.
14343         (vcond<mode>): Ditto from similar patterns.
14344         (and<mode>3, *and<mode>3): Ditto.
14345         (<sse>_nand<mode>3): Ditto.
14346         (ior<mode>3, *ior<mode>3): Ditto.
14347         (xor<mode>3, *xor<mode>3): Ditto.
14348         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
14349         iterator and SSE_FLOAT_MODE_P as insn constraint.
14350         (*nand<mode>3): Ditto from similar patterns.
14351         (*ior<mode>3): Ditto.
14352         (*xor<mode>3): Ditto.
14354 2008-02-20  Ira Rosen  <irar@il.ibm.com>
14356         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
14357         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
14358         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
14360 2008-02-19  Jan Hubicka  <jh@suse.cz>
14362         * predict.c (tree_bb_level_predictions): Remove variable next
14363         mistakely introduced by previous commit.
14365 2008-02-19  Jan Hubicka  <jh@suse.cz>
14367         * predict.c (predict_paths_leading_to): Rewrite.
14368         (predict_paths_for_bb): New.
14369         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
14371 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14373         PR bootstrap/35218
14374         * Makefile.in (build_file_translate): New.
14375         (gcc-vers.texi): Use it for translating $(abs_srcdir).
14376         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
14377         * configure.ac (build_file_translate): Substitute it.
14378         * configure: Regenerate.
14380 2008-02-19  Jan Hubicka  <jh@suse.cz>
14382         PR rtl-optimization/34408
14383         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
14384         invalid sharing.
14386 2008-02-19  Jan Hubicka  <jh@suse.cz>
14388         PR middle-end/28779
14389         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
14390         call_expr.
14392 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
14394         PR Ada/35186
14395         * config/i386/i386-modes.def: Revert the last DI alignment
14396         change until Ada people can look into it.
14398 2008-02-19  Nick Clifton  <nickc@redhat.com>
14400         * opts.c (print_specific_help): Fix typo in --help text.
14402 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
14404         PR target/35239
14405         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
14406         32-bit inline asm without asm alternatives for host GCC < 3.0.
14408 2008-02-19  Richard Guenther  <rguenther@suse.de>
14410         PR tree-optimization/34989
14411         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
14412         Allow propagation to INDIRECT_REF if we can simplify only.
14414 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
14416         * c-common.c (warn_for_collisions_1): Use appropriate option when
14417         warning.
14419 2008-02-19  Nick Clifton  <nickc@redhat.com>
14421         PR other/31349
14422         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
14423         (handle_options): Fix indentation.
14424         (print_filtered_help): If no language-specific options were
14425         displayed tell the user how to list all the options supported by
14426         the language's front-end.
14427         (print_specific_help): Fix indentation and remove duplicate line.
14428         (common_handle_option): Handle the -v option.
14429         For --help enable the display of undocumented options if the -v
14430         switch has been included on the command line.
14431         For --help= check for overlaps in the arguments between the option
14432         classes and the language names and issue a warning when they
14433         cannot be disambiguated.
14434         * c.opt (v): Pass on to the common option handler.
14436 2008-02-19  Revital Eres  <eres@il.ibm.com> 
14438         * modulo-sched.c (sms_schedule): Change dump message when
14439         create_ddg function fails.
14440         (try_scheduling_node_in_cycle): Rename row to cycle.
14441         (print_partial_schedule): Rename CYCLE to ROW.
14443 2008-02-19  Christian Bruel  <christian.bruel@st.com>
14444             Zdenek Dvorak  <ook@ucw.cz>
14446         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
14448 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
14450         PR target/33555
14451         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
14452         (*x86_movdicc_0_m1_se): Ditto.
14454 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
14456         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
14457         (CMPtype): Define as __gcc_CMPtype.
14458         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
14459         (CMPtype): Define as __gcc_CMPtype.
14461 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
14463         Support valgrind 3.3 for --enable-checking=valgrind.
14464         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
14465         here.
14466         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
14467         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
14468         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
14469         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
14470         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
14471         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
14472         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
14473         respectively.
14474         * ggc-zone.c: Similar.
14475         * ggc-page.c: Similar.
14477 2008-02-19  Paul Brook  <paul@codesourcery.com>
14479         PR target/35071
14480         * config/arm/ieee754-df.S: Fix do_it typo.
14481         * config/arm/ieee754-sf.S: Fix do_it typo.
14483 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
14485         PR target/35189
14486         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
14487         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
14488         (OPTION_MASK_ISA_SSE_SET): Likewise.
14489         (OPTION_MASK_ISA_SSE2_SET): Likewise.
14490         (OPTION_MASK_ISA_SSE3_SET): Likewise.
14491         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
14492         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
14493         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
14494         (OPTION_MASK_ISA_SSE4_SET): Likewise.
14495         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
14496         (OPTION_MASK_ISA_SSE5_SET): Likewise.
14497         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
14498         (OPTION_MASK_ISA_MMX_UNSET): Updated.
14499         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
14500         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
14501         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
14502         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
14503         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
14504         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
14505         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
14506         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
14507         (OPTION_MASK_ISA_SSE4): Removed.
14508         (ix86_handle_option): Turn on bits in ix86_isa_flags and
14509         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
14510         (override_options): Don't turn on implied SSE/MMX bits in
14511         ix86_isa_flags.
14513 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
14515         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
14516         32bit host.
14518 2008-02-18  Joey Ye  <joey.ye@intel.com>
14520         PR middle-end/34921
14521         * tree-nested.c (insert_field_into_struct): Set type alignment
14522         to field alignment if the former is less than the latter.
14524 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
14526         * BASE-VER: Set to 4.4.0.
14528 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
14530         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
14531         * doc/cfg.texi: Likewise.
14532         * doc/extend.texi: Likewise.
14533         * doc/gty.texi: Likewise.
14534         * doc/invoke.texi: Likewise.
14535         * doc/loop.texi: Likewise.
14536         * doc/md.texi: Likewise.
14537         * doc/passes.texi: Likewise.
14538         * doc/rtl.texi: Likewise.
14539         * doc/sourcebuild.texi: Likewise.
14540         * doc/tm.texi: Likewise.
14541         * doc/tree-ssa.texi: Likewise.
14543 2008-02-17  Richard Guenther  <rguenther@suse.de>
14545         PR middle-end/35227
14546         * tree-complex.c (init_parameter_lattice_values): Handle parameters
14547         without default definition.
14549 2008-02-17  Richard Guenther  <rguenther@suse.de>
14551         PR tree-optimization/35231
14552         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
14553         if A | B != 1.
14555 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
14557         Revert:
14558         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
14559         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
14560         libgcc_cmp_return mode.
14562 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
14564         PR c/28368
14565         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
14567 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
14569         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
14570         multilibs.
14572 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14574         * doc/c-tree.texi: Use `@.' where appropriate.
14575         * doc/extend.texi: Likewise.
14576         * doc/install.texi: Likewise.
14577         * doc/invoke.texi: Likewise.
14578         * doc/loop.texi: Likewise.
14579         * doc/makefile.texi: Likewise.
14580         * doc/md.texi: Likewise.
14581         * doc/passes.texi: Likewise.
14582         * doc/standards.texi: Likewise.
14583         * doc/tm.texi: Likewise.
14585 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
14587         PR middle-end/35196
14588         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
14589         in entry_bb.
14590         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
14591         rather than in entry_bb.
14593 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
14595         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
14596         libgcc_cmp_return mode.
14598 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
14600         PR middle-end/35130
14601         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
14602         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
14604 2008-02-15  Richard Guenther  <rguenther@suse.de>
14605             Zdenek Dvorak  <ook@ucw.cz>
14607         PR tree-optimization/35164
14608         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
14609         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
14610         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
14611         Only propagate addresses which do not have abnormal SSA_NAMEs
14612         in their operands.
14614 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
14616         PR target/35088
14617         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
14619 2008-02-15  Jan Hubicka  <jh@suse.cz>
14621         PR middle-end/35149
14622         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
14624 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
14626         PR middle-end/34621
14627         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
14628         when calculating alignment_pad.
14630 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
14632         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
14633         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
14634         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
14635         and STACK_BOUNDARY define.
14637 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
14639         PR preprocessor/35061
14640         * c-pragma.c (handle_pragma_pop_macro): Check that
14641         pushed_macro_table has been allocated.
14643 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
14645         PR middle-end/35136
14646         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
14647         (force_gimple_operand): Likewise.
14648         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
14649         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
14650         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
14651         (find_interesting_uses_address): Check addressability and alignment
14652         of the base expression only after substituting bases of IVs into it.
14654 2008-02-14  Michael Matz  <matz@suse.de>
14656         PR target/34930
14657         * function.c (instantiate_virtual_regs_in_insn): Reload address
14658         before falling back to reloading the whole operand.
14660 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
14662         * config/s390/s390.c (s390_mainpool_start): Emit the pool
14663         before the first section switch note.
14665 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
14667         * doc/bugreport.texi: Update copyright years.
14668         * doc/c-tree.texi: Likewise.
14669         * doc/cfg.texi: Likewise.
14670         * doc/cpp.texi: Likewise.
14671         * doc/cppinternals.texi: Likewise.
14672         * doc/fragments.texi: Likewise.
14673         * doc/frontends.texi: Likewise.
14674         * doc/gcc.texi: Likewise.
14675         * doc/gty.texi: Likewise.
14676         * doc/hostconfig.texi: Likewise.
14677         * doc/implement-c.texi: Likewise.
14678         * doc/libgcc.texi: Likewise.
14679         * doc/loop.texi: Likewise.
14680         * doc/makefile.texi: Likewise.
14681         * doc/options.texi: Likewise.
14682         * doc/passes.texi: Likewise.
14683         * doc/rtl.texi: Likewise.
14684         * doc/sourcebuild.texi: Likewise.
14685         * doc/standards.texi: Likewise.
14686         * doc/tree-ssa.texi: Likewise.
14687         * doc/trouble.texi: Likewise.
14689         * doc/extend.texi: Use @: or add comma where appropriate.
14690         * doc/invoke.texi: Likewise.
14691         * doc/tm.texi: Likewise.
14693 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
14695         PR target/34393
14696         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
14697         to a reg.
14699 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
14701         * doc/md.texi (clz, ctz): Add reference.
14702         * doc/rtl.texi (clz, ctz): Likewise.
14704 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14706         PR other/35148
14707         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
14708         srcdir.
14710 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
14712         * config/s390/s390.c (struct constant_pool): New field
14713         emit_pool_after added.
14714         (s390_mainpool_start): Set the emit_pool_after flag according
14715         to the section switch notes.
14716         (s390_mainpool_finish): Consider emit_pool_after when emitting
14717         the literal pool at the end of the function.
14718         (s390_chunkify_start): Force literal pool splits at section
14719         switch notes.
14721 2008-02-13  Michael Matz  <matz@suse.de>
14723         PR debug/35065
14724         * var-tracking.c (clobber_variable_part): Correctly traverse the
14725         list.
14727 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
14729         PR 29673
14730         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
14731         Add -fdump-ipa-inline.
14732         * tree-dump.c (dump_files): Remove tree-inlined dump.
14733         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
14734         
14735 2008-02-12  Richard Guenther  <rguenther@suse.de>
14737         PR tree-optimization/35171
14738         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
14739         default defs.
14741 2008-02-12  Richard Guenther  <rguenther@suse.de>
14743         PR middle-end/35163
14744         * fold-const.c (fold_widened_comparison): Use get_unwidened in
14745         value-preserving mode.  Disallow final truncation.
14747 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
14749         PR middle-end/35136
14750         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
14751         code from here to...
14752         (force_gimple_operand): ...here.
14754 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
14756         PR c++/35144
14757         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
14758         non-compatible pointers.
14759         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
14760         different FIELD_DECLs, try harder by comparing field offsets, sizes
14761         and types.
14763         PR inline-asm/35160
14764         * function.c (match_asm_constraints_1): Don't replace the same input
14765         multiple times.
14767 2008-02-12  Anatoly Sokolov <aesok@post.ru>
14769         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
14770         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
14771         (expand_epilogue): Restore RAMPZ register.
14772         * config/avr/avr.md (RAMPZ_ADDR): New constant.
14774 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
14776         * config/i386/cygwin.asm: (__alloca): Correct calling
14777         convention and alignment.
14778         (__chkstk): Force 8 byte stack alignment.
14780 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
14781             Richard Guenther  <rguenther@suse.de>
14783         PR tree-optimization/33992
14784         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
14785         the zero we compare against.
14787 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
14789         PR libfortran/35063
14790         * gthr-win32.h (__gthread_mutex_destroy_function): New function
14791         to CloseHandle after unlocking to prevent accumulation of handle
14792         count.
14794 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14796         PR middle_end/34150
14797         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
14798         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
14799         and update LABEL_NUSES during and after reload.
14801 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
14803         PR middle-end/34627
14804         * combine.c (simplify_if_then_else): Make sure the comparison is
14805         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
14807 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
14809         PR bootstrap/35051
14810         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
14811         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
14812         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
14813         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
14814         * tree.h (get_type_static_bounds): Likewise.
14816 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14818         * doc/invoke.texi (Option Summary, C++ Dialect Options)
14819         (Objective-C and Objective-C++ Dialect Options, Warning Options):
14820         Make -Wfoo language annotations match what the compiler outputs.
14822 2008-02-08  Sa Liu  <saliu@de.ibm.com>
14824         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
14825         intrinsics spu_convts, spu_convtu, spu_convtf.
14827 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
14829         * doc/extend.texi (Function Attributes) <noinline>: Mention
14830         asm ("") as method to keep calls.
14832 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
14834         PR other/32754
14835         * doc/options.texi (Options): Replace references to opts.sh with
14836         optc-gen.awk.
14837         * opts-common.c: Likewise.
14838         * optc-gen.awk: Likewise.
14839         
14840 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
14842         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
14844 2008-02-07  Richard Henderson  <rth@redhat.com>
14846         PR rtl-opt/33410
14847         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
14848         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
14849         funny mode.
14851 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
14853         PR tree-optimization/35085
14854         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
14855         for operand entry oe2 in addition to operand entry oe3 in order to
14856         expose more opportunities for vectorizer sum reduction.
14858 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14860         PR other/35107
14861         * Makefile.in (LIBS): Remove $(GMPLIBS).
14862         (cc1-dummy, cc1): Add $(GMPLIBS).
14864 2008-02-06  Jan Hubicka  <jh@suse.cz>
14866         PR target/23322
14867         * i386.md (moddf_integer): Do not produce partial memory stalls for
14868         targets where it hurts.
14870 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
14872         PR target/35083
14873         * optabs.c (expand_float): Do not check for decimal modes when
14874         expanding unsigned integer through signed conversion.
14876 2008-02-06  Nick Clifton  <nickc@redhat.com>
14878         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
14879         inside the clobber with a match_operand and duplicated operand
14880         number in the constraint.
14881         (ineqbranchsi): Delete redundant comment.
14883 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
14885         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
14886         builtin_define ("__USE_INIT_FINI__").
14887         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
14888         -msx multilibs.
14889         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
14891 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14893         PR documentation/30330
14894         * doc/invoke.texi (C++ Dialect Options)
14895         (Objective-C and Objective-C++ Dialect Options, Warning Options):
14896         For each warning option -Wfoo that allows -Wno-foo, ensure both
14897         -Wfoo and -Wno-foo are listed in the option index.  Fix index
14898         entry of -Wswitch-default, index -Wnormalized= including the
14899         `=', and -Wlarger-than-@var{len} including @var{len}.
14901 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
14903         * config/i386/i386.md (floatunssisf2): Use
14904         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
14905         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
14906         Macroize expander using MODEF mode iterator.
14908 2008-02-05  Diego Novillo  <dnovillo@google.com>
14910         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
14912         PR 33738
14913         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
14915 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14917         PR other/35070
14918         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
14920 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
14922         PR target/35084
14923         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
14924         to indicate if a message should be generated.
14925         (init_cumulative_args): Updated.
14926         (function_value_32): Likewise.
14928 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
14930         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
14932 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
14934         PR target/35083
14935         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
14936         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
14938 2008-02-04  Diego Novillo  <dnovillo@google.com>
14940         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
14942         PR 33738
14943         * tree-vrp.c (vrp_evaluate_conditional): With
14944         -Wtype-limits, emit a warning when comparing against a
14945         constant outside the natural range of OP0's type.
14947 2008-02-04  Richard Guenther  <rguenther@suse.de>
14949         PR middle-end/33631
14950         * expr.c (count_type_elements): Give for unions instead of
14951         guessing.
14953 2008-02-04  Richard Guenther  <rguenther@suse.de>
14955         PR middle-end/35043
14956         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
14957         to TYPE_DOMAINs base type instead of using bitsizetype here.
14959 2008-02-03  Jason Merrill  <jason@redhat.com>
14961         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
14963 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14965         PR other/29972
14966         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
14967         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
14968         (RS/6000 and PowerPC Options): Fix typos and markup.
14969         * doc/passes.texi (Tree-SSA passes): Likewise.
14971 2008-02-02  Michael Matz  <matz@suse.de>
14973         PR target/35045
14974         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
14975         from record_last_reg_set_info.
14976         (record_last_reg_set_info): Take an RTX argument, iterate over all
14977         constituent hardregs.
14978         (record_last_set_info, record_opr_changes): Change calls to
14979         new signature or to record_last_reg_set_info_regno.
14981 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
14983         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
14985 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
14987         PR rtl-optimization/34773
14988         * reg-notes.def (EQUAL): Mention significance of combination of
14989         REG_EQUAL and REG_RETVAL.
14990         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
14991         insn that has a REG_RETVAL.
14993 2008-02-01  Roger Sayle  <roger@eyesopen.com>
14995         PR bootstrap/33781
14996         * configure.ac (--enable-fixed-point): Disable unless explicitly
14997         requested on IRIX.
14998         * configure: Regenerate.
15000 2008-02-01  Richard Guenther  <rguenther@suse.de>
15002         PR other/35042
15003         * invoke.texi (-finline-limit): Remove no longer true parts
15004         of the documentation.  Note that there is no default value.
15006 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
15007             Mark Mitchell  <mark@codesourcery.com>
15008             Ben Elliston  <bje@au.ibm.com>
15010         PR c/29326
15011         * doc/extend.texi (Other Builtins): Document.
15013 2008-01-31  Tom Browder <tom.browder@gmail.com>
15015         * doc/c-tree.texi (Types): Fix grammar.
15016         (Expression trees): Ditto.
15017         * doc/passes.texi (Tree-SSA passes): Ditto.
15018         
15019         * doc/configterms.texi (Configure Terms): Fix typo.
15020         * doc/cpp.texi (Common Predefined Macros): Ditto.
15021         * doc/md.texi (Machine Constraints): Ditto.
15022         
15023         * doc/makefile.texi (Makefile): Add comma.
15025 2008-01-31  Tom Browder  <tom.browder@gmail.com>
15026             Gerald Pfeifer  <gerald@pfeifer.com>
15027         
15028         * doc/sourcebuild.texi (Front End): Remove references to CVS
15029         and CVSROOT/modules.
15030         (Texinfo Manuals): Replace reference to CVS by one to SVN.
15031         (Back End): Remove reference to CVS.
15033 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
15035         PR target/34900
15036         * config/mips/mips.c (gen_load_const_gp): New function, taking a
15037         comment from...
15038         (mips16_gp_pseudo_reg): ...here.
15039         * config/mips/mips.md (load_const_gp): Replace with...
15040         (load_const_gp_<mode>): ...this :P-based insn.
15042 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15044         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
15045         options. Minor fixes.
15046         (-std): Move reference to standards closer to where language
15047         standards are first mentioned.
15048         
15049 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
15051         PR rtl-optimization/34995
15052         * reload.c (alternative_allows_const_pool_ref): Take an rtx
15053         parameter and return a bool.  If the rtx parameter is nonnull,
15054         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
15055         (find_reloads): Update call accordingly.  Pass the new operand
15056         if it needed no address reloads, otherwise pass null.
15058 2008-01-30  Richard Henderson  <rth@redhat.com>
15060         PR c/34993
15061         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
15062         for unbounded arrays.
15064 2008-01-30  Silvius Rus  <rus@google.com>
15066         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
15068 2008-01-30  Jan Hubicka  <jh@suse.cz>
15070         PR target/34982
15071         * i386.c (init_cumulative_args): Use real function declaration when
15072         calling locally.
15074 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
15076         PR rtl-optimization/34998
15077         * global.c (build_insn_chain): Treat non-subreg_lowpart
15078         SUBREGs of pseudos as clobbering all the words covered by the
15079         SUBREG, not just all the bytes.
15080         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
15081         original df_ref rather than an extract parameter.
15082         (global_conflicts): Update call accordingly.
15084 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
15086         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
15087         the overflow check to make it easier to read.
15088         (__fixtfdi): Change the type of the ll member in union
15089         long_double to UDItype_x.
15091 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
15093         PR middle-end/34969
15094         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
15095         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
15096         * tree-inline.c (fold_marked_statements): Call
15097         cgraph_update_edges_for_call_stmt if folding a call statement.
15098         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
15099         debug_generic_stmt calls, reset it back afterwards.
15101         PR c/35017
15102         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
15103         static decls.
15104         * c-typeck.c (build_external_ref): Don't pedwarn about
15105         static vars in current function's scope.
15107 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
15109         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
15111 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
15113         PR c/35002
15114         * ipa-struct-reorg.c: Fix spelling.
15115         * params.def: Ditto.
15117 2008-01-29  Richard Guenther  <rguenther@suse.de>
15119         PR middle-end/35006
15120         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
15121         field.
15122         * tree-inline.c (remap_type): Increment remapping_type_depth
15123         around remapping types.
15124         (copy_body_r): Only add referenced variables if they are referenced
15125         from code, not types.
15127 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
15129         PR c++/34055
15130         PR c++/34103
15131         PR c++/34219
15132         PR c++/34606
15133         PR c++/34753
15134         PR c++/34754
15135         PR c++/34755
15136         PR c++/34919
15137         PR c++/34961
15138         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
15139         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
15141 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
15143         PR target/34412
15144         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
15145         pointer for tiny stack.
15147 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
15149         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
15151 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
15153         * config/vx-common.h: Fix typo in comment.
15155 2008-01-28  Ian Lance Taylor  <iant@google.com>
15157         PR c++/34862
15158         PR c++/33407
15159         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
15160         coalesce pointers if they have different DECL_NO_TBAA_P values.
15161         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
15162         between variables with different DECL_NO_TBAA_P values.
15164 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
15166         PR 31535
15167         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
15168         are not legitimate small data references on SPE targets.
15170 2008-01-28  David Daney  <ddaney@avtrex.com>
15172         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
15174 2008-01-28  David Daney  <ddaney@avtrex.com>
15176         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
15178 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
15180         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
15181         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
15182         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
15183         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
15184         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
15185         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
15186         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
15187         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
15189 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
15191         * basic-block.h (condjump_equiv_p): Fix comment.
15193 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
15195         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
15196         print_generic_stmt_indented): Fix comment.
15198 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
15200         * configure.ac (__stack_chk_fail): Add detecion for availability
15201         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
15202         * configure: Regenerate.
15204 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
15206         PR middle-end/34688
15207         * final.c (output_addr_const): Handle TRUNCATE.
15209 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
15211         PR target/34711
15212         * tree-ssa-loop-ivopts.c (comp_cost): New type.
15213         (zero_cost, infinite_cost): New constants.
15214         (struct cost_pair): Change type of cost to comp_cost.
15215         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
15216         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
15217         New functions.
15218         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
15219         split_address_cost, ptr_difference_cost, difference_cost,
15220         get_computation_cost_at, get_computation_cost,
15221         determine_use_iv_cost_generic, determine_use_iv_cost_address,
15222         determine_use_iv_cost_condition, determine_use_iv_costs,
15223         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
15224         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
15225         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
15226         Change type of cost to comp_cost.
15227         (determine_iv_cost): Increase cost of non-original ivs, instead
15228         of decreasing the cost of original ones.
15229         (get_address_cost): Indicate the complexity of the addressing mode 
15230         in comp_cost.
15231         (try_add_cand_for): Prefer using ivs not specific to some object.
15232         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
15234 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
15235             Janis Johnson  <janis187@us.ibm.com>
15237         PR target/34814
15238         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
15239         (TARGET_INSTANTIATE_DECLS): Likewise.
15240         * target.h (expand_to_rtl_hook): New target hook.
15241         (instantiate_decls): Likewise.
15242         * function.c (instantiate_decl): Make non-static.  Rename to...
15243         (instantiate_decl_rtl): ... this.
15244         (instantiate_expr): Use instantiate_decl_rtl.
15245         (instantiate_decls_1): Likewise.
15246         (instantiate_decls): Likewise.
15247         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
15248         * function.h (instantiate_decl_rtl): Add prototype.
15249         * cfgexpand.c (target.h): New include.
15250         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
15251         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
15252         (TARGET_INSTANTIATE_DECLS): Likewise.
15253         (TARGET_INITIALIZER): New target hooks added.
15254         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
15255         New prototype.
15256         * config/rs6000/rs6000.c (tree-flow.h): New include.
15257         (machine_function): Add sdmode_stack_slot field.
15258         (rs6000_alloc_sdmode_stack_slot): New function.
15259         (rs6000_instantiate_decls): Likewise.
15260         (rs6000_secondary_memory_needed_rtx): Likewise.
15261         (rs6000_check_sdmode): Likewise.
15262         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
15263         (TARGET_INSTANTIATE_DECLS): Likewise.
15264         (rs6000_hard_regno_mode_ok): Allow SDmode.
15265         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
15266         (rs6000_emit_move): Handle SDmode.
15267         (function_arg_advance): Likewise.
15268         (function_arg): Likewise.
15269         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
15270         SDmode var args for 32-bit compiles.
15271         (rs6000_secondary_reload_class): Handle SDmode.
15272         (rs6000_output_function_epilogue): Likewise.
15273         (rs6000_function_value): Simplify if statement.
15274         (rs6000_libcall_value): Likewise.
15275         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
15276         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
15277         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
15278         (movsd_hardfloat): New define_insn.
15279         (movsd_softfloat): Likewise.
15280         (movsd_store): Likewise.
15281         (movsd_load): Likewise.
15282         (extendsddd2): Likewise.
15283         (extendsdtd2): Likewise.
15284         (truncddsd2): Likewise.
15285         (movdd_hardfloat64): Fixup comment.
15286         (UNSPEC_MOVSD_LOAD): New constant.
15287         (UNSPEC_MOVSD_STORE): Likewise.
15289 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
15291         PR c++/34965
15292         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
15293         TRUTH_XOR_EXPR.
15294         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
15295         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
15296         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
15297         and TRUTH_XOR_EXPR.
15299 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
15301         PR target/34794
15302         * config.gcc: Separate AIX 5.3 from AIX 6.1.
15303         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
15304         __LONGDOUBLE128 too.
15305         * config/rs6000/aix61.h: New file.
15307 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
15309         PR rtl-optimization/34959
15310         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
15311         popcount and parity rtxes the same mode as their operand.
15312         Truncate or extend the result to the return value's mode
15313         if necessary.
15315 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
15317         PR target/34981
15318         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
15319         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
15320         to GOT_VERSION_REGNUM.
15321         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
15322         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
15323         * config/mips/mips.c (mips_emit_call_insn): New function.
15324         (mips_call_tls_get_addr): Call mips_expand_call directly.
15325         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
15326         emit_call_insn.
15327         (mips16_build_call_stub): Likewise.  Return the call insn or null.
15328         (mips_expand_call): Update the call to mips16_build_call_stub
15329         accordingly and a remove redundant condition.  Assert that MIPS16
15330         stubs do not use lazy binding.  Use mips_emit_call_insn and return
15331         the call insn.
15332         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
15333         TARGET_USE_GOT.
15334         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
15335         (mips_avoid_hazard): Remove hazard_set handling.
15336         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
15337         (UNSPEC_RESTORE_GP): ...this.
15338         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
15339         (FAKE_CALL_REGNO): Rename to...
15340         (GOT_VERSION_REGNUM): ...this.
15341         (type): Add "ghost" value.  Add an associated insn reservation.
15342         (hazard_set): Remove.
15343         (exception_receiver): Rename to...
15344         (restore_gp): ...this and update the unspec identifier accordingly.
15345         (exception_receiver, nonlocal_got_receiver): New expanders.
15346         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
15347         FAKE_CALL_REGNO.  Remove hazard_set attribute.
15348         (set_got_version, update_got_version): New patterns.
15350 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
15352         PR target/34970
15353         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
15355 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
15357         PR other/31955
15358         * doc/install.texi2html: Generate gcc-vers.texi.
15360 2008-01-25  DJ Delorie  <dj@redhat.com>
15362         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
15364 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
15366         * config/c4x: Remove directory.
15367         * config.gcc (crx-*, mt-*): Mark obsolete.
15368         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
15369         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
15370         sh-*-rtemscoff*): Remove cases.
15371         * defaults.h (C4X_FLOAT_FORMAT): Remove.
15372         * real.c (encode_c4x_single, decode_c4x_single,
15373         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
15374         c4x_extended_format): Remove.
15375         * real.h (c4x_single_format, c4x_extended_format): Remove.
15376         * doc/extend.texi (interrupt, naked): Remove mention of attributes
15377         on C4x.
15378         (Pragmas): Remove comment about c4x pragmas.
15379         * doc/install.texi (c4x): Remove target-specific instructions.
15380         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
15381         * doc/md.texi (Machine Constraints): Remove C4x documentation.
15382         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
15383         refer to C4x source files as examples.
15384         (C4X_FLOAT_FORMAT): Remove documentation.
15386 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
15388         * config/bfin/bfin.c (override_options): Reorder tests so that
15389         flag_pic gets enabled for -msep-data.
15391 2008-01-25  Richard Guenther  <rguenther@suse.de>
15393         PR middle-end/32244
15394         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
15395         to its bitfield precision if required.
15397 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
15399         PR middle-end/33880
15400         * tree-nested.c (walk_omp_for): New function.
15401         (convert_nonlocal_reference, convert_local_reference): Call
15402         walk_omp_for on OMP_FOR.
15403         (convert_call_expr): Call walk_body on OMP_FOR's
15404         OMP_FOR_PRE_INIT_BODY.
15406 2008-01-25  Richard Guenther  <rguenther@suse.de>
15408         PR tree-optimization/34966
15409         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
15410         default defs and PHI_NODEs we have to insert after the
15411         defining statement.
15413 2008-01-24  Nick Clifton  <nickc@redhat.com>
15415         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
15416         Provide a default definition.
15417         (LIBGCC2_UNITS_PER_WORD): Likewise.
15419         * config/stormy16/stormy16.c: Include df.h for the prototype
15420         for df_regs_ever_live_p.
15421         (xstormy16_expand_builtin_va_start): Convert the stack offset
15422         into a component_ref and then use POINTER_PLUS_EXPR to add it
15423         to the incoming_virtual_args_rtx.
15424         (xstormy16_gimplify_va_arg_expr): Rename to
15425         xstormy16_gimplify_va_arg_expr.
15426         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
15427         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
15428         xstormy16_gimplify_va_arg_expr.
15429         Fix up some formatting issues.
15431         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
15432         Move to predicates.md.
15433         (xs_hi_general_operand): Likewise.
15434         (xs_hi_nonmemory_operand): Likewise.
15435         * config/stormy16/predicates.md:
15436         (xstormy16_carry_plus_operand): New predicate.
15437         (xs_hi_general_operand): New predicate.
15438         (xs_hi_nonmemory_operand): New predicate.
15439         * config/stormy16/stormy16-protos.h:
15440         (xstormy16_carry_plus_operand): Delete prototype.
15441         (xs_hi_general_operand): Likewise.
15442         (xs_hi_nonmemory_operand): Likewise.
15444         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
15445         modifiers as they are no longer needed and they can trigger
15446         reload spill failures.
15448         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
15449         with a match_operand in order to help reload.
15451         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
15452         constraint with 'e' for the 8th alternative as this version of
15453         the mov.w instruction only accepts the lower 8 registers.
15455 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
15457         PR target/34856
15458         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
15459         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
15460         vector elements.
15462 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
15464         PR middle-end/33333
15465         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
15467 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
15469         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
15470         New functions.
15471         (remove_structure): Update allocations list before removing structure.
15472         
15473 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
15475         * ipa-struct-reorg.c (is_safe_cond_expr, 
15476         create_new_stmts_for_cond_expr): Use integer_zerop function,
15477         that recognize not only zero-pointer, but zero-integer too.
15479 2008-01-25  Ben Elliston  <bje@au.ibm.com>
15481         PR other/22232
15482         * fixproto: Escape "." in sed expression that strips leading "./".
15484 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
15486         PR driver/34904
15487         * gcc.c (SWITCH_OK): Removed.
15488         (SWITCH_LIVE): Changed to bit.
15489         (SWITCH_FALSE): Likewise.
15490         (SWITCH_IGNORE): Likewise.
15491         (switchstr): Change live_cond to unsigned int.
15492         (process_command): Replace SWITCH_OK with 0.
15493         (do_self_spec): Likewise.
15494         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
15495         (give_switch): Likewise.
15496         (used_arg): Likewise.
15497         (do_spec_1): Set the SWITCH_IGNORE bit.
15498         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
15499         bits.  Set the SWITCH_LIVE bit.
15501 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
15503         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
15505 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
15507         PR tree-optimization/34472
15508         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
15509         parameter to a "bool *" and set *DATA to false if there is
15510         an unsafe access.  Do not delete the structure here.
15511         (check_cond_exprs): Delete it here instead.
15512         (check_cond_exprs, exclude_cold_structs): Do not increase
15513         I when removing a structure.
15515 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
15517         PR target/34856
15518         * config/i386/i386.c (ix86_expand_vector_init): Consider only
15519         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
15521 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
15523         PR middle-end/34934
15524         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
15525         a fixed vector for stack.
15527 2008-01-24  Ben Elliston  <bje@au.ibm.com>
15529         PR c++/25701
15530         * doc/gcc.texi (Software development): Add a direntry for g++.
15531         
15532 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
15534         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
15535         stale and straggling -fforce-addr comments above.
15537         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
15538         define.
15539         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
15540         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
15542 2008-01-23  Michael Matz  <matz@suse.de>
15544         PR debug/34895
15545         * dwarf2out.c (force_type_die): Use modified_type_die instead of
15546         gen_type_die.
15548 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
15550         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
15551         malloc result type.
15553 2008-01-23 Anatoly Sokolov <aesok@post.ru>
15555         * config/avr/avr.c (avr_current_arch): New variable.
15556         (avr_arch_types): Add 'avr31' and 'avr51' entries.
15557         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
15558         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
15559         (avr_override_options): Init 'avr_current_arch'. 
15560         (base_arch_s): Move from here...
15561         * config/avr/avr.h (base_arch_s): ... here. Add new members 
15562         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
15563         'mega' to 'have_jmp_call'.
15564         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
15565         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
15566         macros.
15567         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
15568         architectures.
15569         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
15570         MULTILIB_MATCHES): (Ditto.).
15572 2008-01-23  Richard Guenther  <rguenther@suse.de>
15574         PR middle-end/31529
15575         * cgraphunit.c (cgraph_reset_node): Always mark the node
15576         not reachable if it is not queued already.
15578 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
15580         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
15581         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
15582         (cputype_selected): New static variable.
15583         (bfin_handle_option): Set it if -mcpu is used.
15584         (override_option): Select default set of workarounds if no cpu type
15585         selected on the command line.
15586         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
15588         From  Michael Frysinger  <michael.frysinger@analog.com>
15589         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
15590         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
15592         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
15593         for bf547, bf523, bf524, and bf526.
15594         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
15595         bf526.
15596         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
15597         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
15598         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
15599         __ADSPBF547__ and __ADSPBF54x__ for bf547.
15600         * doc/invoke.texi (Blackfin Options): Document that
15601         -mcpu now accept bf547, bf523, bf524, and bf526.
15603 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
15605         PR rtl-optimization/34628
15606         * combine.c (try_combine): Stop and undo after the first combination
15607         if an autoincrement side-effect on the first insn has effectively
15608         been lost.
15610 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
15612         PR target/34529
15613         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
15614         Offset addresses are not valid for Altivec or paired float modes.
15616 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
15618         PR c++/34607
15619         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
15620         if DECL_INITIAL (decl) is error_mark_node.
15622         PR c++/34914
15623         * c-common.c (handle_vector_size_attribute): Only allow
15624         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
15625         the same way as pointer, array etc. types.
15626         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
15628         PR c++/34917
15629         * tree.c (build_type_attribute_qual_variant): Call
15630         build_qualified_type if attributes are equal, but quals are not.
15632 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15634         PR 32102
15635         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
15636         * flags.h (warn_strict_aliasing): Remove.
15637         (warn_strict_overflow): Remove.
15638         * opts.c (warn_strict_aliasing): Remove.
15639         (warn_strict_overflow): Remove.
15640         * c-opts.c (c_common_handle_option): -Wall only sets
15641         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
15642         (c_common_post_options): Give default values to -Wstrict-aliasing
15643         and -Wstrict-overflow if they are uninitialized.
15644         * common.opt (Wstrict-aliasing): Specify Var and Init.
15645         (Wstrict-overflow): Likewise.
15647 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
15649         PR rtl-optimization/26854
15650         PR rtl-optimization/34400
15651         PR rtl-optimization/34884
15652         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
15653         DF_RD->gen.
15654         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
15655         (df_rd_bb_info.expanded_lr_out): Deleted
15656         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
15657         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
15658         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
15659         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
15660         Removed code to allocate, initialize or free expanded_lr_out.
15661         (df_rd_bb_local_compute_process_def): Restructured to make more
15662         understandable.
15663         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
15664         sets if the sets are being trimmed.
15666 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
15668         PR bootstrap/32287
15669         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
15670         (as_vers): Likewise.
15671         * configure: Regenerated.
15673 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15675         PR middle-end/33092
15676         * tree-pass.h (pass_build_alias): New pass.
15677         * tree-ssa-alias.c (gate_build_alias): New.
15678         (pass_build_alias): New.
15679         * passes.c (init_optimization_passes): Add pass_build_alias after
15680         pass_create_structure_vars.
15682 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
15684         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
15685         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
15686         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
15687         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
15688         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
15689         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
15690         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
15691         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
15692         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
15693         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
15694         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
15695         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
15696         * config/s390/s390.md (FP_ALL): New mode iterator.
15697         (_d): New mode attribute.
15698         ("*signbit<mode>2>"): Changed mode of first operand.
15699         ("isinf<mode>2"): Changed mode of first operand.
15700         ("*TDC_insn"): Adaptation for DFP modes.
15702 2008-01-22  Ben Elliston  <bje@au.ibm.com>
15704         * tree.c (check_qualified_type): Improve function description.
15706 2008-01-21  Jason Merrill  <jason@redhat.com>
15708         PR c++/34196
15709         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
15710         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
15711         if it is set.
15713 2008-01-21  DJ Delorie  <dj@redhat.com>
15715         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
15716         return zero.
15718 2008-01-21  Richard Guenther  <rguenther@suse.de>
15720         PR middle-end/34856
15721         * tree-cfg.c (verify_expr): Allow all invariant expressions
15722         instead of just constant class ones as reference argument.
15723         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
15724         like any other constant.
15725         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
15727 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
15729         * regmove.c (fixup_match_1): Update call crossed frequencies.
15731 2008-01-21  Richard Guenther  <rguenther@suse.de>
15733         PR c/34885
15734         * tree-inline.c (setup_one_parameter): Deal with mismatched
15735         types using a VIEW_CONVERT_EXPR.
15737 2008-01-21  Alon Dayan  <alond@il.ibm.com>
15738             Olga Golovanevsky  <olga@il.ibm.com>
15739         
15740         PR tree-optimization/34701
15741         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
15742         when the structure size is not a power of 2.
15744 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
15746         * doc/install.texi: Add doc for --enable-checking=df.
15747         
15748 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
15750         PR rtl-optimization/34808
15751         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
15753 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
15755         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
15756         input.
15758 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
15760         PR rtl-optimization/26854
15761         PR rtl-optimization/34400
15762         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
15763         DF_RD->gen.
15764         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
15765         (df_rd_bb_info.expanded_lr_out): New.
15766         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
15767         * loop_iv.c (iv_analysis_loop_init): Ditto.
15768         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
15769         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
15770         Added code to allocate, initialize or free expanded_lr_out.
15771         (df_rd_bb_local_compute_process_def): Restructured to make
15772         more understandable.
15773         (df_rd_confluence_n): Add code to do nothing with fake edges and
15774         code to no apply invalidate_by_call sets if the sets are being trimmed.
15775         (df_lr_local_finalize): Renamed to df_lr_finalize.
15776         (df_live_local_finalize): Renamed to df_live_finalize.
15778 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
15780         PR target/34831
15781         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
15782         deciding whether to use reciprocal instructions.
15784 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
15786         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
15787         dwarf2out_note_section_used if cold_text_section is NULL.
15789 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
15791         PR gcov-profile/34610
15792         * tree-cfg.c (make_edges): Mark both outgoing edges from
15793         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
15794         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
15795         from OMP_FOR and OMP_CONTINUE outgoing edges.
15797         * tree-profile.c (tree_profiling): Return early if
15798         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
15799         at the end.
15800         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
15801         from cfun to child_cfun.
15802         * function.h (struct function): Add after_tree_profile bit.
15804 2008-01-19 Anatoly Sokolov <aesok@post.ru>
15806         * config/avr/avr.S (_exit): Disable interrupt.
15808 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
15809             Steven Bosscher  <stevenb.gcc@gmail.com>
15811         PR rtl-optimization/26854
15812         PR rtl-optimization/34400
15813         * df-problems.c (df_live_scratch): New scratch bitmap.
15814         (df_live_alloc): Allocate df_live_scratch when doing df_live.
15815         (df_live_reset): Clear the proper bitmaps.
15816         (df_live_bb_local_compute): Only process the artificial defs once
15817         since the order is not important.
15818         (df_live_init): Init the df_live sets only with the variables
15819         found live by df_lr.
15820         (df_live_transfer_function): Use the df_lr sets to prune the
15821         df_live sets as they are being computed.  
15822         (df_live_free): Free df_live_scratch.
15824 2008-01-18  Ian Lance Taylor  <iant@google.com>
15826         * common.opt: Add fmerge-debug-strings.
15827         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
15828         flag_merge_debug_strings rather than flag_merge_constants.
15829         * doc/invoke.texi (Option Summary): Mention
15830         -fmerge-debug-strings.
15831         (Debugging Options): Document -fmerge-debug-strings.
15833 2008-01-18  Ian Lance Taylor  <iant@google.com>
15835         PR c++/33407
15836         * tree.h (DECL_IS_OPERATOR_NEW): Define.
15837         (struct tree_function_decl): Add new field operator_new_flag.
15838         * tree-inline.c (expand_call_inline): When inlining a call to
15839         operator new, force the return value to go into a variable, and
15840         set DECL_NO_TBAA_P on that variable.
15841         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
15843 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
15845         PR debug/34484
15846         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
15847         DWARF2_DEBUGGING_INFO.
15848         (dwarf2out_note_section_used): Ditto.  Add prototype.
15849         (have_multiple_function_sections, text_section_used,
15850         cold_text_section_used, *cold_text_sections): Move declarations
15851         before their uses.
15853 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
15855         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
15856         field and add signal_ra.
15857         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
15858         assignments to frame state pc.  Move end of stack check after
15859         MD_FALLBACK_FRAME_STATE_FOR.
15860         (uw_update_context_1): Use frame state signal_regs if set, instead
15861         of checking signal_frame flag.
15862         (uw_update_context): Use frame state signal_ra if set.
15863         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
15864         * config/xtensa/linux-unwind.h: New file.
15866 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
15868         * modulo-sched.c (get_sched_window): Fix comment typo.
15870 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
15872         PR tree-optimization/34648
15873         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
15875 2008-01-17  Anatoly Sokolov <aesok@post.ru>
15877         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
15878         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
15880 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
15882         PR rtl-optimization/34400
15883         * df-core.c (df_worklist_dataflow_overeager,
15884         df_worklist_dataflow_doublequeue): New functions.
15885         (df_worklist_dataflow): Two different worklist solvers.
15886         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
15887         New param.
15889 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
15891         PR testsuite/34821
15892         * doc/invoke.texi: Document the dependence on pthread for fopenmp
15893         and ftree-parallelize-loops.
15895 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
15897         PR rtl-optimization/34826
15898         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
15900 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
15902         * global.c (find_reg): Mark the eh regs as used if necessary.
15903         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
15904         * ra.h (struct allocno): no_eh_reg field added.  Changed
15905         no_stack_reg type to bitfield.
15907 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
15909         * tree.c (substitute_in_expr): Add missing 'break'.
15911 2008-01-17  Richard Guenther  <rguenther@suse.de>
15913         PR tree-optimization/34825
15914         * tree-ssa-math-opts.c (is_division_by): Do not recognize
15915         x / x as division to handle.
15917 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15919         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
15920         "-pthread" is specified.
15921         * pa-hpux11.h (LIB_SPEC): Likewise.
15923 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
15924             Peter Bergner  <bergner@vnet.ibm.com>
15926         PR rtl-optimization/33796
15927         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
15929 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15931         PR libgfortran/34699
15932         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
15933         static links.
15934         * pa-hpux10.h (LINK_SPEC): Likewise.
15935         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
15937 2008-01-16  Richard Guenther  <rguenther@suse.de>
15939         PR middle-end/32628
15940         * fold-const.c (fold_convert_const_int_from_int): Do not
15941         set overflow if that occured only because of a sign extension
15942         change when converting from/to a sizetype with the same
15943         precision and signedness.
15945 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
15947         PR debug/34249
15948         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
15949         location address to the correct place.  Update copyright year.
15951 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
15953         * lambda-code.c (lambda_transform_legal_p): Handle the case of
15954         no dependences in the dependence_relations vector.
15956 2008-01-16  Jan Hubicka  <jh@suse.cz>
15958         PR rtl-optimization/31396
15959         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
15960         * cfg.c (dump_reg_info): Print it.
15961         * regs.h (struct reg_info_t): add freq_calls_crossed.
15962         (REG_FREQ_CALLS_CROSSED): New macro.
15963         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
15964         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
15965         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
15966         regmove_optimize): Update call crossed frequencies.
15967         * local-alloc.c (struct qty): Add freq_calls_crossed.
15968         (alloc_qty): Copute freq_calls_crossed.
15969         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
15970         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
15971         * ra.h (struct allocno): Add freq_calls_crossed.
15973 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
15975         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
15976         libgomp when compiling with ftree-parallelize-loops.
15977         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
15979 2008-01-16  Richard Guenther  <rguenther@suse.de>
15981         PR tree-optimization/34769
15982         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
15983         * tree.c (int_cst_value): Instead make this function more
15984         permissive in what it accepts as valid input.  Document this
15985         function always sign-extends the value.
15987 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
15988             Richard Guenther  <rguenther@suse.de>
15990         PR c/34668
15991         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
15992         (gimple_fold_indirect_ref_rhs): ... this.
15993         (gimple_fold_indirect_ref): New function with foldings
15994         that preserve lvalueness.
15995         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
15996         * tree-flow.h (gimple_fold_indirect_ref): Declare.
15997         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
15998         to fold an INDIRECT_REF, fall back to the old use of
15999         fold_indirect_ref_1.
16001 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
16003         * tree-data-ref.c (subscript_dependence_tester_1): Call 
16004         free_conflict_function.
16005         (compute_self_dependence): Same.
16007 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
16009         PR debug/34249
16010         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
16011         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
16012         function global.
16013         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
16014         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
16015         for DWARF2_UNWIND_INFO targets.
16017 2008-01-16  Richard Guenther  <rguenther@suse.de>
16019         PR c/34768
16020         * c-typeck.c (common_pointer_type): Do not merge inconsistent
16021         type qualifiers for function types.
16023 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
16025         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
16026         loop_iterator li from previous commit.
16028 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
16030         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
16032 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
16034         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
16035         (parallelize_loops): Don't parallelize irreducible components.
16037 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
16039         PR c++/24924
16040         * c-opts (c_common_post_options): Do not enable CPP
16041         flag_pedantic_errors by default.
16042         
16043 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
16045         PR rtl-optimization/31944
16046         * cse.c (remove_pseudo_from_table): New function.
16047         (merge_equiv_classes): Use above function to remove pseudo-registers.
16048         (invalidate): Likewise.
16050 2008-01-13  Richard Guenther  <rguenther@suse.de>
16052         PR middle-end/34601
16053         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
16054         instead of TYPE_MODE to deal with calls from expand_one_error_var.
16056 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
16058         * gcse.c (cprop_jump): Call validate_unshare_change instead of
16059         validate_change to unshare the source of the PC set.
16061 2008-01-12  Jan Hubicka  <jh@suse.cz>
16063         PR middle-end/32135
16064         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
16065         references above array bounds.  This might trigger bounds checks for
16066         pointers to arrays.
16068 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
16070         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
16071         new_replaceable_dependencies.
16073 2008-01-12  Doug Kwan  <dougkwan@google.com>
16075         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
16076         instead of OPT_Wreturn_type in warning due to ignored return type
16077         qualifiers.
16078         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
16079         options included in -Wextra.
16080         * c.opt: New option -Wignored_qualifiers.
16081         * doc/invoke.texi (Warning Options, -Wextra): Add new option
16082         -Wignore_qualifiers.
16083         (-Wignored-qualifiers): Document.
16084         (-Wreturn-type): Remove description of functionality now handled
16085         by -Wignored-qualifiers.
16087 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
16089         PR ada/33788
16090         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
16091         NOP_EXPR if it is between integral types with the same precision.
16093 2008-01-12  Jan Hubicka  <jh@suse.cz>
16095         PR other/28023
16096         * invoke.texi (max-inline-recursive-depth): Fix default value.
16098 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
16100         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
16101         correct type.
16103 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
16104         
16105         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
16106         
16107 2008-01-11  James E. Wilson  <wilson@specifix.com>
16109         PR target/26015
16110         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
16112 2008-01-11  Anatoly Sokolov <aesok@post.ru>
16114         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
16115         save/restore frame pointer register and don't use 'call-prologues' 
16116         optimization in function with "OS_task" attribute.
16118 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
16120         PR middle-end/31309
16121         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
16122         when copying to memory.
16124 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
16126         PR rtl-optimization/30905
16127         * cfgcleanup.c: Include dce.h
16128         (crossjumps_occured): New global variable.
16129         (try_crossjump_bb): Exit loop after finding a fallthru edge.
16130         If something changed, set crossjumps_occured to true.
16131         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
16132         Don't add/remove fake edges to exit here...
16133         (cleanup_cfg): ...but do it here, when crossjumping.
16134         Run a fast DCE when successful crossjumps occured in the latest
16135         iteration of try_optimize_cfg.
16137 2008-01-11  Richard Guenther  <rguenther@suse.de>
16139         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
16140         (struct vn_unary_op_s): Likewise.
16141         (vn_reference_insert): Free old reference on hash collision.
16143 2008-01-10  Raksit Ashok  <raksit@google.com>
16145         PR rtl-optimization/27971
16146         * combine.c (find_split_point): Split PLUS expressions which are
16147         inside a MEM rtx, and whose first operand is complex.
16149 2008-01-10  DJ Delorie  <dj@redhat.com>
16151         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
16152         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
16153         (m32c_hard_regno_ok): Call the underlying function.
16155 2008-01-10  Richard Guenther  <rguenther@suse.de>
16157         PR middle-end/34683
16158         * tree-cfg.c (tree_merge_blocks): Do not go through the
16159         full-blown folding and stmt updating path if we just deal
16160         with virtual operands.
16161         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
16162         test for abnormal SSA_NAMEs.
16164 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
16166         PR middle-end/34641
16167         * reload.c (push_reload): Add assertions.  All constants from
16168         reg_equiv_constant should have been used for replacing the respective
16169         pseudo earlier.
16170         (find_reloads_address): Invoke find_reloads_address_part for
16171         constant taken from the reg_equiv_constant array.
16173 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
16175         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
16176         field (valnum) the first in the struct.  Replace bools with
16177         unit bit fields.
16179 2008-01-10  Richard Guenther  <rguenther@suse.de>
16181         PR tree-optimization/34651
16182         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
16183         types and ordering for masking and converting.
16185 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
16187         PR tree-optimization/34017
16188         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
16189         also for PHI_NODE expressions.
16191 2008-01-09  Jan Hubicka  <jh@suse.cz>
16193         PR tree-optimization/34708
16194         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
16195         based on number of case labels.
16196         (init_inline_once): Remove switch_cost.
16197         * tree-inline.h (eni_weights_d): Remove switch_cost.
16199 2008-01-09  Richard Guenther  <rguenther@suse.de>
16200         Andrew Pinski  <andrew_pinski@playstation.sony.com>
16202         PR middle-end/30132
16203         * gimplify.c (gimplify_cond_expr): Do not create an addressable
16204         temporary if an rvalue is ok or an lvalue is not required.
16206 2008-01-09  Richard Guenther  <rguenther@suse.de>
16208         PR middle-end/34458
16209         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
16210         adjust return type.
16212 2008-01-09  Richard Guenther  <rguenther@suse.de>
16214         PR middle-end/34679
16215         * tree.c (host_integerp): Check for sizetype only if the
16216         type is an integer type.
16218 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
16220         PR debug/26364
16221         * opts.c (decode_options): Disable inlining of functions called
16222         once if not in unit-at-a-time mode.
16224 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
16226         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
16228 2008-01-08  Richard Guenther  <rguenther@suse.de>
16230         PR middle-end/31863
16231         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
16232         out early if the result will be unused.
16234 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
16236         PR target/34709
16237         Revert:
16239         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
16240         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
16241         for TARGET_RECIP.       
16242         
16243 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
16244         
16245         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
16246         for vectorization tuned.
16247         
16248 2008-01-08  Richard Guenther  <rguenther@suse.de>
16250         PR tree-optimization/34683
16251         * tree-ssa-operands.c (operand_build_cmp): Export.
16252         * tree-ssa-operands.h (operand_build_cmp): Declare.
16253         * tree-vn.c (vuses_compare): Remove.
16254         (sort_vuses): Use operand_build_cmp.
16255         (sort_vuses_heap): Likewise.
16256         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
16257         to re-use old VEC if available.  Do not sort already sorted VUSEs.
16258         (vdefs_to_vec): Do not sort already sorted VDEFs.
16260 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
16262         PR middle-end/34694
16263         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
16265 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
16267         PR target/34702
16268         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
16269         limitations of reciprocal sequences on x86 targets.
16271 2008-01-08  Richard Guenther  <rguenther@suse.de>
16273         PR tree-optimization/34683
16274         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
16276 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
16278         PR target/34622
16279         * config/darwin.c (darwin_mergeable_string_section): Don't use
16280         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
16282 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
16284         PR target/34682
16285         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
16286         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
16287         predicates of op0 and op1 to register_operand.
16288         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
16289         expander using X87MODEF mode iterator.  Change predicates of
16290         op0 and op1 to register_operand.
16291         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
16292         corresponding patterns and macroize using MODEF macro.  Change
16293         predicates of op0 and op1 to register_operand and remove
16294         "m" constraint. Disparage "r" alternative with "!".
16295         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
16296         macroize using X87MODEF macro.  Change predicates of op0 and op1
16297         to register_operand and remove "m" constraint.  Disparage "r"
16298         alternative with "!".
16299         (absneg splitter with memory operands): Remove.
16300         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
16301         patterns and macroize using X87MODEF mode iterator.
16302         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
16303         Change predicate of op1 to register_operand.
16304         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
16305         for memory operands.
16307 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
16309         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
16311 2008-01-07  Richard Guenther  <rguenther@suse.de>
16313         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
16314         fields.
16316 2008-01-07  Richard Guenther  <rguenther@suse.de>
16318         PR tree-optimization/34683
16319         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
16320         VOPs of the needed size to save memory.  Use VEC_quick_push
16321         to save compile-time.
16322         (vdefs_to_vec): Likewise.
16324 2008-01-07  Sa Liu  <saliu@de.ibm.com>
16326         * config/spu/spu.md (divdf3): Genetate inline code for double
16327         division.  The implementation doesn't handle INF or NAN, therefore it
16328         only applies when -ffinite-math-only is given.
16330 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
16332         PR libstdc++/34680
16333         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
16334         * doc/cpp.texi ([Common Predefined Macros]): Document.
16336 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
16338         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
16339         order to use commutative addition instead of subtraction.
16341 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16342             Mircea Namolaru  <namolaru@il.ibm.com>
16343             Vladimir Yanovsky  <yanov@il.ibm.com>
16344             Revital Eres  <eres@il.ibm.com>
16346         PR tree-optimization/34263
16347         * tree-outof-ssa.c (process_single_block_loop_latch,
16348         contains_tree_r): New functions.
16349         (analyze_edges_for_bb): Call process_single_block_loop_latch
16350         function to empty single-basic-block latch block if possible.
16352 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
16354         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
16355         for TARGET_RECIP.
16356         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
16358 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
16360         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
16362 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
16364         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
16366 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
16368         PR tree-optimization/34618
16369         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
16370         flag from T.
16372 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
16374         PR target/34673
16375         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
16376         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
16377         Update copyright year.
16379         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
16380         Update copyright year.
16381         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
16382         using NR fixup.
16384 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
16386         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
16387         edge does not point to current bb before changing need_assert.
16389 2008-01-04  Richard Guenther  <rguenther@suse.de>
16391         PR middle-end/34029
16392         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
16393         for verifying purposes if they are is_gimple_min_invariant.
16395 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
16397         PR tree-optimization/34448
16398         PR tree-optimization/34465
16399         * gimplify.c (gimplify_init_constructor): Add new parameter
16400         notify_temp_creation.  Use it.
16401         (gimplify_modify_expr_rhs): Take volatiles into account when
16402         optimizing constructors.
16403         Do not optimize constructors if gimplify_init_constructor will dump to
16404         memory.
16405         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
16406         * gcc.c-torture/compile/pr34448.c: New.
16408 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
16410         PR gcov-profile/34609
16411         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
16412         return_slot if result is TREE_ADDRESSABLE.
16414 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
16416         * config/mips/mips.md (sqrt_condition): Tweak comment.
16417         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
16419 2008-01-03  Tom Tromey  <tromey@redhat.com>
16421         PR c/34457
16422         * c-common.c (c_type_hash): Handle VLAs.
16424 2008-01-03  Jan Hubicka  <jh@suse.cz>
16426         PR tree-optimization/31081
16427         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
16428         0 when inlining and not inlining to first basic block.
16429         (remap_decl): When var is initialized to 0, don't set default_def.
16430         (expand_call_inline): Set entry_bb.
16431         * tree-inline.h (copy_body_data): Add entry_bb.
16433 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
16435         PR c++/34619
16436         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
16437         before returning.
16439         PR tree-optimization/29484
16440         * tree-inline.c (inline_forbidden_p_2): New function.
16441         (inline_forbidden_p): Disallow inlining if some static var
16442         has an address of a local LABEL_DECL in its initializer.
16443         * doc/extend.texi (Labels as Values): Document &&foo behaviour
16444         vs. inlining.
16446 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
16448         PR tree-optimization/34635
16449         * tree-data-ref.c (add_other_self_distances): Make sure that the
16450         evolution step is constant.
16452 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
16454         PR middle-end/34608
16455         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
16457 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
16459         * tree-sra.c (scalarize_init): Insert the generate_element_init
16460         statements after the generate_element_zero statements.
16462 2008-01-02  Richard Guenther  <rguenther@suse.de>
16464         PR middle-end/34093
16465         PR middle-end/31976
16466         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
16467         for very large number of operands instead of ICEing.
16469 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
16471         PR target/34013
16472         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
16473         while stack probing.
16475 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
16477         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
16478         in C++0x mode.
16480 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
16482         PR libmudflap/26442
16483         * tree-mudflap.c (mx_register_decls): Guard warning by
16484         !DECL_ARTIFICIAL check.
16486 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
16488         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
16489         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
16490         sse5_perm<mode>): Fix constraints.