* doc/install.texi (mep-x-elf): Correct chip's full name.
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2009-06-29  DJ Delorie  <dj@redhat.com>
2
3         * doc/install.texi (mep-x-elf): Correct chip's full name.
4
5 2009-06-29  H.J. Lu  <hongjiu.lu@intel.com>
6
7         * doc/extend.texi: Fix typo.
8
9 2009-06-29  Tom Tromey  <tromey@redhat.com>
10
11         * dwarf2.h: Remove.
12         * Makefile.in (DWARF2_H): New variable.
13         (except.o): Use it.
14         (dwarf2out.o): Likewise.
15         (dwarf2asm.o): Likewise.
16         * config/i386/t-i386: Use DWARF2_H.
17         * except.c: Include elf/dwarf2.h.
18         * unwind-dw2.c: Include elf/dwarf2.h.
19         * dwarf2out.c: Include elf/dwarf2.h.
20         (dw_loc_descr_struct) <dw_loc_opc>: Now a bitfield.
21         <dtprel>: New field.
22         (dwarf_stack_op_name): Don't handle INTERNAL_DW_OP_tls_addr.
23         (size_of_loc_descr): Likewise.
24         (output_loc_operands_raw): Likewise.
25         (output_loc_operands): Handle new dtprel field.
26         (loc_checksum): Update.
27         (loc_descriptor_from_tree_1) <VAR_DDECL>: Set dtprel field.
28         * unwind-dw2-fde-glibc.c: Include elf/dwarf2.h.
29         * unwind-dw2-fde.c: Include elf/dwarf2.h.
30         * dwarf2asm.c: Include elf/dwarf2.h.
31         * unwind-dw2-fde-darwin.c: Include elf/dwarf2.h.
32         * config/mmix/mmix.c: Include elf/dwarf2.h.
33         * config/rs6000/darwin-fallback.c: Include elf/dwarf2.h.
34         * config/xtensa/unwind-dw2-xtensa.c: Include elf/dwarf2.h.
35         * config/sh/sh.c: Include elf/dwarf2.h.
36         * config/i386/i386.c: Include elf/dwarf2.h.
37
38 2009-06-29  DJ Delorie  <dj@redhat.com>
39
40         * config/mep/mep.h (CPP_SPEC): Remove __cop macro.
41
42         * doc/extend.texi: Add MeP attributes and pragmas.
43         * doc/invoke.text: Add MeP Options.
44         * doc/contrib.texi: Add MeP contribution.
45         * doc/md.texi: Add MeP constraints.
46         * doc/install.texi: Add MeP target.
47
48 2009-06-30  Anatoly Sokolov  <aesok@post.ru>
49
50         * target.h (struct gcc_target): Add frame_pointer_required field.
51         * target-def.h (TARGET_FRAME_POINTER_REQUIRED): New.
52         (TARGET_INITIALIZER): Use TARGET_FRAME_POINTER_REQUIRED.
53         * ira.c (setup_eliminable_regset): Use frame_pointer_required target
54         hook.
55         * reload1.c (update_eliminables): (Ditto.).
56         * gcc/system.h (FRAME_POINTER_REQUIRED): Poison.
57         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
58         (INITIAL_FRAME_POINTER_OFFSET): (Ditto.).
59
60         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Remove macro.
61
62         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Remove macro.
63         * config/arm/arm.c (TARGET_FRAME_POINTER_REQUIRED): Define.
64         (arm_frame_pointer_required): New function.
65
66         * config/avr/avr.h (FRAME_POINTER_REQUIRED): Remove macro.
67         * config/avr/avr.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
68         (avr_frame_pointer_required_p): Declare as static.
69         * config/avr/avr-protos.h (avr_frame_pointer_required_p): Remove.
70
71         * config/bfin/bfin.h (FRAME_POINTER_REQUIRED): Remove macro.
72         * config/bfin/bfin.c (TARGET_FRAME_POINTER_REQUIRED): Define.
73         (bfin_frame_pointer_required): Make as static, change return type
74         to bool.
75         * config/bfin/bfin-protos.h (bfin_frame_pointer_required): Remove.
76
77         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Remove macro.
78         * config/cris/cris.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
79         (cris_frame_pointer_required): New function.
80         
81         * config/crx/crx.h (FRAME_POINTER_REQUIRED): Remove macro.
82
83         * config/fr30/fr30.h (FRAME_POINTER_REQUIRED): Remove macro.
84         * config/fr30/fr30.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
85         (fr30_frame_pointer_required): New function.
86         
87         * config/frv/frv.h (FRAME_POINTER_REQUIRED): Remove macro.
88         * config/frv/frv.c (TARGET_FRAME_POINTER_REQUIRED): Define.
89         (frv_frame_pointer_required): Make as static, change return type
90         to bool.
91         * config/bfin/bfin-protos.h (frv_frame_pointer_required): Remove.
92
93         * config/i386/i386.h (FRAME_POINTER_REQUIRED): Remove macro.
94         * config/i386/i386.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
95         (ix86_frame_pointer_required): Make as static, change return type to
96         bool.
97         * config/i386/i386-protos.h (ix86_frame_pointer_required): Remove.
98
99         * config/m32c/m32c.h (FRAME_POINTER_REQUIRED): Remove macro.
100         * config/m32c/m32c.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
101
102         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Remove macro.
103
104         * config/mcore/mcore.h (CAN_ELIMINATE): Remove macro.
105         
106         * config/mep/mep.h (FRAME_POINTER_REQUIRED): Remove macro.
107
108         * config/mips/mips.h (FRAME_POINTER_REQUIRED): Remove macro.
109         * config/mips/mips.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
110         (mips_frame_pointer_required): Make as static.
111         * config/mips/mips-protos.h (mips_frame_pointer_required): Remove.
112         
113         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Remove macro.
114         * config/mmix/mmix.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
115         (mmix_frame_pointer_required): Mew function.
116
117         * config/moxie/moxie.h (FRAME_POINTER_REQUIRED): Remove macro.
118         * config/moxie/moxie.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
119
120         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Remove macro.
121
122         * config/score/score.h (FRAME_POINTER_REQUIRED): Remove macro.
123
124         * config/sh/sh.h (CAN_ELIMINATE): Remove macro.
125
126         * config/sparc/sparc.h (FRAME_POINTER_REQUIRED): Remove macro.
127         (CAN_ELIMINATE): Redefine.
128         * config/sparc/sparc.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
129         (sparc_frame_pointer_required): New function.
130         (sparc_can_eliminate): New function.
131         * config/sparc/sparc-protos.h (sparc_can_eliminate): Declare.
132
133         * config/vax/vax.h (FRAME_POINTER_REQUIRED): Remove macro.
134         * config/vax/vax.c (TARGET_FRAME_POINTER_REQUIRED): Define.
135
136         * config/xtensa/xtensa.h (FRAME_POINTER_REQUIRED): Remove macro.
137         * config/xtensa/xtensa.c (TARGET_FRAME_POINTER_REQUIRED): Define.
138         (xtensa_frame_pointer_required): Make as static, change return type
139         to bool.
140         * config/xtensa/xtensa-protos.h (xtensa_frame_pointer_required):
141         Remove.
142
143 2009-06-29  Olatunji Ruwase   <tjruwase@google.com>
144
145         * doc/plugins.texi: Document PLUGIN_START_UNIT.
146         * toplev.c (compile_file): Call PLUGIN_START_UNIT.
147         * gcc-plugin.h (PLUGIN_START_UNIT): Added new event.
148         * plugin.c (plugin_event_name): Added PLUGIN_START_UNIT.
149         (register_callback): Handle PLUGIN_START_UNIT.
150         (invoke_plugin_callbacks): Handle PLUGIN_START_UNIT.
151
152 2009-06-29  Eric Botcazou  <ebotcazou@adacore.com>
153
154         * tree.c (process_call_operands): Propagate TREE_READONLY from the
155         operands.
156         (PROCESS_ARG): Do not clear TREE_READONLY if CONSTANT_CLASS_P.
157         (build3_stat): Propagate TREE_READONLY for COND_EXPR.
158
159 2009-06-29  Daniel Jacobowitz  <dan@codesourcery.com>
160
161         * config/arm/arm.h (REGISTER_MOVE_COST): Increase VFP register
162         move cost.
163
164 2009-06-29  Uros Bizjak  <ubizjak@gmail.com>
165
166         * doc/extend.texi (Additional Floating Types): __float128 is also
167         supported on i386 targets.
168
169 2009-06-29  Richard Guenther  <rguenther@suse.de>
170
171         PR middle-end/14187
172         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
173         flag.
174         (pt_solutions_same_restrict_base): Declare.
175         * tree-ssa-structalias.c (struct variable_info): Add is_restrict_var
176         flag.
177         (new_var_info): Initialize is_global_var properly for SSA_NAMEs.
178         (make_constraint_from, make_copy_constraint): Move earlier.
179         (make_constraint_from_heapvar): New function.
180         (make_constraint_from_restrict): Likewise.
181         (handle_lhs_call): Use it.
182         (find_func_aliases): Use it to track conversions to restrict
183         qualified pointers.
184         (struct fieldoff): Add only_restrict_pointers flag.
185         (push_fields_onto_fieldstack): Initialize it.
186         (create_variable_info_for): Track global restrict qualified pointers.
187         (intra_create_variable_infos): Use make_constraint_from_heapvar.
188         Track restrict qualified pointer arguments.
189         (set_uids_in_ptset): Use varinfo is_global_var flag.
190         (find_what_var_points_to): Set the vars_contains_restrict flag.
191         Always create the points-to solution for sets including restrict tags.
192         (pt_solutions_same_restrict_base): New function.
193         * tree-ssa-alias.c (ptr_derefs_may_alias_p): For two restrict
194         qualified pointers use pt_solutions_same_restrict_base as
195         additional source for disambiguation.
196
197 2009-06-29  Richard Guenther  <rguenther@suse.de>
198
199         PR middle-end/38212
200         * alias.c (find_base_decl): Remove.
201         (get_deref_alias_set_1): Remove restrict handling.
202         * c-common.c (c_apply_type_quals_to_decl): Do not set
203         DECL_POINTER_ALIAS_SET.
204         * gimplify.c (find_single_pointer_decl_1): Remove.
205         (find_single_pointer_decl): Likewise.
206         (internal_get_tmp_var): Remove restrict handling.
207         (gimple_regimplify_operands): Likewise.
208         * omp-low.c (expand_omp_atomic_pipeline): Do not set
209         DECL_POINTER_ALIAS_SET. Use ref-all pointers.
210         * print-tree.c (print_node): Do not print DECL_POINTER_ALIAS_SET.
211         * tree.c (restrict_base_for_decl): Remove.
212         (init_ttree): Do not allocate it.
213         (make_node_stat): Do not set DECL_POINTER_ALIAS_SET.  Set
214         LABEL_DECL_UID for label decls.
215         (copy_node_stat): Do not copy restrict information.
216         (decl_restrict_base_lookup): Remove.
217         (decl_restrict_base_insert): Likewise.
218         (print_restrict_base_statistics): Likewise.
219         (dump_tree_statistics): Do not call print_restrict_base_statistics.
220         * tree.h (DECL_POINTER_ALIAS_SET): Remove.
221         (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
222         (struct tree_decl_common): Rename pointer_alias_set to label_decl_uid.
223         (LABEL_DECL_UID): Adjust.
224         (DECL_BASED_ON_RESTRICT_P): Remove.
225         (DECL_GET_RESTRICT_BASE): Likewise.
226         (SET_DECL_RESTRICT_BASE): Likewise.
227         (struct tree_decl_with_vis): Remove based_on_restrict_p flag.
228
229         * config/i386/i386.c (ix86_gimplify_va_arg): Use ref-all pointers
230         instead of DECL_POINTER_ALIAS_SET.
231         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
232         * config/s390/s390.c (s390_gimplify_va_arg): Likewise.
233         * config/spu/spu.c (spu_gimplify_va_arg_expr): Likewise.
234
235 2009-06-29  Richard Guenther  <rguenther@suse.de>
236
237         PR tree-optimization/40579
238         * tree-vrp.c (vrp_evaluate_conditional): Bail out early if
239         the IL to simplify has constants that overflowed.
240
241 2009-06-28  Uros Bizjak  <ubizjak@gmail.com>
242
243         PR tree-optimization/40550
244         * tree-vect-generic.c (expand_vector_operations_1): Compute in
245         vector_compute_type only when the size of vector_compute_type is
246         less than the size of type.
247
248 2009-06-28  Eric Botcazou  <ebotcazou@adacore.com>
249
250         * fold-const.c (contains_label_1): Fix comments.
251         (contains_label_p): Do not walk trees multiple time.
252
253 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
254
255         * config/i386/i386.h (enum ix86_fpcmp_strategy): New.
256         * config/i386/i386.md (cbranchxf4, cstorexf4, cbranch<MODEF>4,
257         cstore<MODEF>4, mov<X87MODEF>cc): Change predicate to
258         ix86_fp_comparison_operator.
259         (*fp_jcc_1_mixed, *fp_jcc_1_sse, *fp_jcc_1_387, *fp_jcc_2_mixed,
260         *fp_jcc_2_sse, *fp_jcc_2_387): Delete
261         (*fp_jcc_3_387, *fp_jcc_4_387, *fp_jcc_5_387, *fp_jcc_6_387,
262         *fp_jcc_7_387, *fp_jcc_8<MODEF>_387): Eliminate call to
263         !ix86_use_fcomi_compare, change ix86_fp_jump_nontrivial_p call
264         to !TARGET_CMOVE, change predicate to ix86_fp_comparison_operator.
265         (related splits): Change predicate to ix86_fp_comparison_operator.
266         * config/i386/predicates.md: Use ix86_trivial_fp_comparison_operator
267         instead of ix86_fp_comparison_codes.
268         (ix86_trivial_fp_comparison_operator,
269         ix86_fp_comparison_operator): New.
270         * config/i386/i386-protos.h (ix86_fp_comparison_strategy): New.
271         (ix86_expand_compare): Eliminate last two parameters.
272         (ix86_fp_jump_nontrivial_p): Kill.
273         * config/i386/i386.c (put_condition_code): Eliminate call to
274         ix86_fp_comparison_codes and subsequent assertion.
275         (ix86_fp_comparison_codes): Eliminate.
276         (ix86_fp_swap_condition): New.
277         (ix86_fp_comparison_arithmetics_cost, ix86_fp_comparison_fcomi_cost,
278         ix86_fp_comparison_sahf_cost, ix86_use_fcomi_compare): Consolidate
279         into ix86_fp_comparison_cost and ix86_fp_comparison_strategy.
280         (ix86_prepare_fp_compare_args): Use ix86_fp_comparison_strategy
281         and ix86_fp_swap_condition.
282         (ix86_expand_fp_compare): Eliminate code for second jump/bypass jump.
283         Use ix86_fp_comparison_strategy.
284         (ix86_expand_compare): Likewise.  Eliminate last two arguments.
285         (ix86_fp_jump_nontrivial_p): Eliminate.
286         (ix86_expand_branch): Treat SFmode/DFmode/XFmode as simple.  Adjust
287         call to ix86_expand_compare.
288         (ix86_split_fp_branch, ix86_expand_setcc,
289         ix86_expand_carry_flag_compare, ix86_expand_int_movcc,
290         ix86_expand_fp_movcc): Eliminate code for second jump/bypass jump.
291
292 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
293
294         * config/arm/arm.c (arm_final_prescan_ins): Eliminate code
295         related to jump_clobbers.
296         * config/arm/arm.md (conds): Remove jump_clob case.
297         (addsi3_cbranch, addsi3_cbranch_scratch, subsi3_cbranch, two
298         splits): Change comparison_operator to arm_comparison_operator.
299         (*arm_buneq, *arm_bltgt, *arm_buneq_reversed, *arm_bltgt_reversed):
300         Eliminate.
301
302 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
303
304         * dojump.c (do_compare_rtx_and_jump): Try swapping the
305         condition for floating point modes.
306         * expmed.c (emit_store_flag_1): Move here a bigger part
307         of emit_store_flag.
308         (emit_store_flag): Try swapping the condition for floating point
309         modes.
310         * optabs.c (emit_cmp_and_jump_insns): Cope with constant op0 better.
311
312 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
313
314         * expr.c (expand_expr_real_1): Just use do_store_flag.
315         (do_store_flag): Drop support for TRUTH_NOT_EXPR.  Use
316         emit_store_flag_force.
317         * expmed.c (emit_store_flag_force): Copy here trick
318         previously in expand_expr_real_1.  Try reversing the comparison.
319         (emit_store_flag_1): Work if target is NULL.
320         (emit_store_flag): Work if target is NULL, using the result mode
321         from the comparison.  Use split_comparison, restructure final part
322         to simplify conditionals.
323
324 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
325
326         * builtins.c (expand_errno_check): Use do_compare_rtx_and_jump.
327         * dojump.c (do_jump): Change handling of floating-point
328         ops to use just do_compare_and_jump.
329         (split_comparison): New.
330         (do_compare_rtx_and_jump): Add here logic coming previously
331         in do_jump, using split_comparison.
332
333 2009-06-27  H.J. Lu  <hongjiu.lu@intel.com>
334
335         PR target/40489
336         * config/ia64/ia64.c (ia64_reorg): Check NULL insn.
337
338 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
339
340         * tree-ssa-alias.c: Fix unintentional commit.
341
342 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
343
344         * passes.c (execute_one_pass): Fix unintentional commit.
345
346 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
347
348         * df-problems.c (df_set_seen, df_unset_seen): Delete.
349         (df_rd_local_compute, df_md_local_compute): Inline them.
350
351         (df_md_scratch): New.
352         (df_md_alloc, df_md_free): Allocate/free it.
353         (df_md_local_compute): Only include live registers in init.
354         (df_md_transfer_function): Prune the in-set computed by
355         the confluence function, and the gen-set too.
356
357 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
358
359         PR rtl-optimization/26854
360         * timevar.def: Remove TV_DF_RU, add TV_DF_MD.
361         * df-problems.c (df_rd_add_problem): Fix comment.
362         (df_md_set_bb_info, df_md_free_bb_info, df_md_alloc,
363         df_md_simulate_artificial_defs_at_top,
364         df_md_simulate_one_insn, df_md_bb_local_compute_process_def,
365         df_md_bb_local_compute, df_md_local_compute, df_md_reset,
366         df_md_transfer_function, df_md_init, df_md_confluence_0,
367         df_md_confluence_n, df_md_free, df_md_top_dump, df_md_bottom_dump,
368         problem_MD, df_md_add_problem): New.
369         * df.h (DF_MD, DF_MD_BB_INFO, struct df_md_bb_info, df_md,
370         df_md_get_bb_info): New.
371         (DF_LAST_PROBLEM_PLUS1): Adjust.
372
373         * Makefile.in (fwprop.o): Include domwalk.h.
374         * fwprop.c: Include domwalk.h.
375         (reg_defs, reg_defs_stack): New.
376         (bitmap_only_bit_between): Remove.
377         (process_defs): New.
378         (process_uses): Use reg_defs and local_md instead of
379         bitmap_only_bit_between and local_rd.
380         (single_def_use_enter_block): New, from build_single_def_use_links.
381         (single_def_use_leave_block): New.
382         (build_single_def_use_links): Remove code moved to
383         single_def_use_enter_block, invoke domwalk.
384         (use_killed_between): Adjust comment.
385
386 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
387
388         * bitmap.h (bitmap_ior_and_into): New.
389         * bitmap.c (bitmap_ior_and_into): New.
390
391 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
392
393         * domwalk.h (struct dom_walk_data): Remove all callbacks except
394         before_dom_children_before_stmts and after_dom_children_after_stmts.
395         Rename the two remaining callbacks to just before_dom_children and 
396         after_dom_children. Remove other GIMPLE statement walking bits.
397         * domwalk.c (walk_dominator_tree): Remove now unsupported features.
398         * graphite.c: Do not include domwalk.h.
399         * tree-into-ssa.c (interesting_blocks): New global.
400         (struct mark_def_sites_global_data): Remove it and names_to_rename.
401         (mark_def_sites, rewrite_stmt, rewrite_add_phi_arguments,
402         rewrite_update_stmt, rewrite_update_phi_arguments): Simplify
403         now that they're not domwalk callbacks.
404         (rewrite_initialize_block): Rename to...
405         (rewrite_enter_block): ... this, place after called functions.  Test
406         interesting_blocks, call rewrite_stmt and rewrite_add_phi_arguments.
407         (rewrite_finalize_block): Rename to...
408         (rewrite_leave_block): ... this, place after called functions.
409         (rewrite_update_init_block): Rename to...
410         (rewrite_update_enter_block): ... this, place after called functions.
411         Test interesting_blocks, call rewrite_update_stmt and 
412         rewrite_update_phi_arguments.
413         (rewrite_update_fini_block): Rename to...
414         (rewrite_leave_block): ... this, place after called functions.
415         (rewrite_blocks): Remove last argument, simplify initialization of
416         walk_data.
417         (mark_def_sites_initialize_block): Rename to...
418         (mark_def_sites_block): ... this, call mark_def_sites.
419         (mark_def_sites_blocks): Remove argument, simplify initialization of
420         walk_data.
421         (rewrite_into_ssa): Adjust for interesting_blocks_being a global.
422         (update_ssa): Likewise.
423         * tree-ssa-dom.c (optimize_stmt): Simplify now that it's not a domwalk
424         callback.
425         (tree_ssa_dominator_optimize): Simplify initialization of walk_data.
426         (dom_opt_initialize_block): Rename to...
427         (dom_opt_enter_block): ... this, place after called functions.  Walk
428         statements here, inline propagate_to_outgoing_edges.
429         (dom_opt_finalize_block): Rename to...
430         (dom_opt_leave_block): ... this, place after called functions.
431         * tree-ssa-dse.c (dse_optimize_stmt): Simplify now that it's not a
432         domwalk callback.
433         (dse_enter_block, dse_record_phi): New.
434         (dse_record_phis): Delete.
435         (dse_finalize_block): Rename to...
436         (dse_leave_block): ... this.
437         (tree_ssa_dse): Simplify initialization of walk_data.
438         * tree-ssa-loop-im.c (determine_invariantness, move_computations):
439         Adjust initialization of walk_data.
440         * tree-ssa-loop-unswitch.c: Do not include domwalk.h.
441         * tree-ssa-loop-phiopt.c (get_non_trapping):
442         Adjust initialization of walk_data.
443         * tree-ssa-loop-threadedge.c: Do not include domwalk.h.
444         * tree-ssa-uncprop.c (uncprop_into_successor_phis): Simplify now that
445         it's not a domwalk callback.
446         (uncprop_initialize_block): Rename to...
447         (dse_enter_block): ... this, call uncprop_into_successor_phis.
448         (dse_finalize_block): Rename to...
449         (dse_leave_block): ... this.
450         (tree_ssa_uncprop): Simplify initialization of walk_data.
451         * Makefile.in: Adjust dependencies.
452
453 2009-06-27  Richard Earnshaw  <rearnsha@arm.com>
454
455         * arm.md (casesi): Fix test for Thumb1.
456         (thumb1_casesi_internal_pic): Likewise.
457         (thumb1_casesi_dispatch): Likewise.
458
459 2009-06-26  Daniel Gutson  <dgutson@codesourcery.com>
460
461         * config/arm/arm-cores.def: Added core cortex-m0.
462         * config/arm/arm-tune.md: Regenerated.
463         * doc/invoke.texi: Added entry for cpu ARM Cortex-M0.
464
465 2009-06-26  DJ Delorie  <dj@redhat.com>
466
467         * config/mep/mep.opt (mfar): Remove -mfar as it doesn't do anything.
468
469         * config/mep/mep.c (mep_bundle_insns): Account for the fact that
470         the scheduler doesn't tag jump insns.
471
472 2009-06-26  H.J. Lu  <hongjiu.lu@intel.com>
473
474         * c-decl.c (merge_decls): Re-indent.
475
476 2009-06-26  Janis Johnson  <janis187@us.ibm.com>
477
478         PR c/39902
479         * tree.c (real_zerop, real_onep, real_twop, real_minus_onep):
480         Special-case decimal float constants.
481
482 2009-06-26  Richard Henderson  <rth@redhat.com>
483
484         * function.h (struct function): Add cannot_be_copied_reason,
485         and cannot_be_copied_set.
486         * tree-inline.c (has_label_address_in_static_1): Rename from
487         inline_forbidden_p_2; don't set inline_forbidden_reason here.
488         (cannot_copy_type_1): Rename from inline_forbidden_p_op; likewise
489         don't set inline_forbidden_reason.
490         (copy_forbidden): New function, split out of inline_forbidden_p.
491         (inline_forbidden_p_stmt): Don't check for nonlocal labels here.
492         (inline_forbidden_p): Use copy_forbidden.
493         (tree_versionable_function_p): Likewise.
494         (inlinable_function_p): Merge into tree_inlinable_function_p.
495         (tree_function_versioning): Remap cfun->nonlocal_goto_save_area.
496         * ipa-cp.c (ipcp_versionable_function_p): New function.
497         (ipcp_cloning_candidate_p): Use it.
498         (ipcp_node_modifiable_p): Likewise.
499
500 2009-06-26  Olatunji Ruwase  <tjruwase@google.com>
501
502         * builtins.c (expand_builtin_alloca): Handle builtin alloca
503         that is marked not to be inlined. Remove flag_mudflap use.
504         * tree-mudflap.c: Rename mf_xform_derefs to mf_xfrom_statements.
505         (mf_xform_statements): Mark builtin alloca calls as un-inlineable.
506
507 2009-06-26  Steve Ellcey  <sje@cup.hp.com>
508
509         PR bootstrap/40338
510         * config/pa/t-pa-hpux10 (TARGET_LIBGCC2_CFLAGS): Add -frandom-seed.
511         * config/pa/t-pa-hpux11 (TARGET_LIBGCC2_CFLAGS): Ditto.
512
513 2009-06-26  Kai Tietz  <kai.tietz@onevision.com>
514
515         * config/i386/mingw-tls.c (__mingwthr_key_dtor): Remove for none
516         shared libgcc.
517         (__mingwthr_remove_key_dtor): Likewise.
518
519 2009-06-26  Richard Guenther  <rguenther@suse.de>
520
521         * tree-ssa-structalias.c (do_ds_constraint): Simplify escape handling.
522
523 2009-06-26  Steven Bosscher  <steven@gcc.gnu.org>
524
525         PR middle-end/40525
526         * ifcvt.c (dead_or_predicable): If predicating MERGE_BB fails,
527         try the non-cond_exec path also.
528
529 2009-06-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
530
531         PR target/40468
532         * pa.c (branch_to_delay_slot_p, branch_needs_nop_p): New functions.
533         (output_cbranch): Use new functions.
534         (output_lbranch, output_bb, output_bvb, output_dbra, output_movb):
535         Likewise.
536
537 2009-06-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
538             Pat Haugen  <pthaugen@us.ibm.com>
539             Revital Eres <ERES@il.ibm.com>
540
541         * config/rs6000/rs6000-protos.h (rs6000_secondary_reload_class):
542         Change some of the functions called by macros to being called
543         through a pointer, so debug functions can be inserted if
544         -mdebug=addr or -mdebug=cost. 
545         (rs6000_preferred_reload_class_ptr): Ditto.
546         (rs6000_secondary_reload_class_ptr): Ditto.
547         (rs6000_secondary_memory_needed_ptr): Ditto.
548         (rs6000_cannot_change_mode_class_ptr): Ditto.
549         (rs6000_secondary_reload_inner): Ditto.
550         (rs6000_legitimize_reload_address): Ditto.
551         (rs6000_legitimize_reload_address_ptr): Ditto.
552         (rs6000_mode_dependent_address): Ditto.
553         (rs6000_mode_dependent_address_ptr): Ditto.
554
555         * config/rs6000/rs6000.c (reg_offset_addressing_ok_p): New
556         function to return true if the mode allows reg + integer
557         addresses.
558         (virtual_stack_registers_memory_p): New function to return true if
559         the address refers to a virtual stack register.
560         (rs6000_legitimate_offset_address_p): Move code to say whether a
561         mode supports reg+int addressing to reg_offset_addressing_ok_p and
562         call it.
563         (rs6000_legitimate_address_p): Add checks for modes that only can
564         do reg+reg addressing.  Start adding VSX support.
565         (rs6000_legitimize_reload_address): Ditto.
566         (rs6000_legitimize_address): Ditto.
567         (rs6000_debug_legitimate_address_p): New debug functions for
568         -mdebug=addr and -mdebug=cost.
569         (rs6000_debug_rtx_costs): Ditto.
570         (rs6000_debug_address_costs): Ditto.
571         (rs6000_debug_adjust_cost): Ditto.
572         (rs6000_debug_legitimize_address): Ditto.
573         (rs6000_legitimize_reload_address_ptr): Point to call normal
574         function or debug function.  Make functions called via pointer
575         static.
576         (rs6000_mode_dependent_address_ptr): Ditto.
577         (rs6000_secondary_reload_class_ptr): Ditto.
578         (rs6000_hard_regno_mode_ok): Add preliminary VSX support.
579         (rs6000_emit_move): Add -mdebug=addr support.  Change an abort
580         into a friendlier error.
581         (rs6000_init_builtins): Add initial VSX support.
582         (rs6000_adjust_cost): Fix some spacing issues.
583
584         * config/rs6000/rs6000.h (enum reg_class): Add VSX_REGS.
585         (REG_CLASS_NAMES): Ditto.
586         (REG_CLASS_CONTENTS): Ditto.
587         (PREFERRED_RELOAD_CLASS): Move from a macro to calling through a
588         pointer, to add -mdebug=addr support.
589         (CANNOT_CHANGE_MODE_CLASS): Ditto.
590         (SECONDARY_RELOAD_CLASS): Call through a pointer to add
591         -mdebug=addr support.
592         (LEGITIMIZE_RELOAD_ADDRESS): Ditto.
593         (GO_IF_MODE_DEPENDENT_ADDRESS): Ditto.
594         (enum rs6000_builtins): Add RS6000_BUILTIN_BSWAP_HI.
595
596         * config/rs6000/rs6000.md (bswaphi*): Add support for swapping
597         16-bit values.
598         (bswapsi*): Set attribute types for load/store.  Add combiner
599         patterns to eliminate zero extend on 64-bit.
600         (bswapdi*): Add support for swapping 64-bit values.  Use ldbrx and
601         stdbrx if the hardware supports those instructions.
602
603 2009-06-25  Ian Lance Taylor  <iant@google.com>
604
605         * doc/invoke.texi (Option Summary): Mention -static-libstdc++.
606         (Link Options): Document -static-libstdc++.
607
608 2009-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
609
610         PR target/38731
611         * config/rs6000/rs6000.c (LOCAL_ALIGNMENT): Redefine to just use
612         DATA_ALIGNMENT instead.
613
614 2009-06-25  Richard Guenther  <rguenther@suse.de>
615
616         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Disambiguate
617         indirect references against the callused/escaped solutions.
618         (call_may_clobber_ref_p_1): Likewise.
619
620 2009-06-25  Martin Jambor  <mjambor@suse.cz>
621
622         PR tree-optimization/40493
623         * tree-sra.c (sra_modify_expr): Correct BIT_FIELD_REF argument numbers.
624         (enum unscalarized_data_handling): New type.
625         (handle_unscalarized_data_in_subtree): Return what has been done.
626         (load_assign_lhs_subreplacements): Handle left flushes differently.
627         (sra_modify_assign): Use unscalarized_data_handling, simplified
628         condition determining whether to remove the statement.
629
630 2009-06-25  Basile Starynkevitch  <basile@starynkevitch.net>
631
632         * doc/plugins.texi (Building GCC plugins): Correct typo in Makefile
633         excerpt - @ should be doubled for texinfo.
634
635 2009-06-24  Ian Lance Taylor  <iant@google.com>
636
637         * config/arc/arc.c: Include "df.h".
638         (arc_attribute_table): Make static.  Move higher in file.
639         (arc_address_cost): Call SMALL_INT on INTVAL, not rtx.
640         (output_shift): Initialize n later to avoid warning.
641         * config/arm/arm.c (arm_attribute_table): Make static.  Move
642         higher in file.
643         * config/avr/avr.c (avr_attribute_table): Make static.  Move
644         higher in file.
645         (reg_class_tab): Change array type from int to enum reg_class.
646         (avr_jump_mode): Change GET_MODE to GET_CODE when checking for
647         LABEL_REF.
648         (out_tsthi, ashlhi3_out): Don't use AS2 with "or" or "and".
649         (lshrhi3_out): Likewise.
650         (class_likely_spilled_p): Change return type to bool.
651         (avr_rtx_costs): Use local code variable with enum type.
652         * config/avr/avr.md (movmemhi): Use add_reg_note.
653         (andhi3, andsi3): Don't use AS2 with "and".
654         (iorhi3, iorsi3): Don't use AS2 with "or".
655         * config/avr/avr-protos.h (class_likely_spilled_p): Update declaration.
656         * config/crx/crx.c: Include "df.h".
657         (crx_attribute_table): Make static.
658         * config/m32r/m32r.c: Include "df.h".
659         (m32r_attribute_table): Make static.  Move higher in file.
660         (pop): Use add_reg_note.
661         (block_move_call): Change 0 to LCT_NORMAL in function call.
662         * config/m32r/m32r.md (movsi_insn): Remove unused local value.
663         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Likewise.
664         * config/m32r/m32r-protos.h (m32r_compute_function_type): Always
665         declare, not just when TREE_CODE is defined.
666         * config/m68hc11/m68hc11.c: Include "expr.h".
667         (m68hc11_attribute_table): Make static.  Move higher in file.
668         (m68hc11_small_indexed_indirect_p): Change 0 to VOIDmode in
669         function call.
670         (m68hc11_register_indirect_p): Likewise.
671         (m68hc11_function_arg_padding): Change return type to enum
672         direction.
673         (emit_move_after_reload): Use add_reg_note.
674         (m68hc11_emit_logical): Change code parameter to enum rtx_code.
675         (m68hc11_split_logical): Likewise.
676         (m68hc11_rtx_costs): Add local code_and outer_code variables with
677         enum type.
678         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Change 0
679         to VOIDmode in function call.
680         * config/m68hc11/m68hc11-protos.h: Don't check TREE_CODE to see if
681         tree is defined.
682         (m68hc11_split_logical): Update declaration.
683         (m68hc11_function_arg_padding): Update declaration.
684         * config/mcore/mcore.c (regno_reg_class): Change form array of int
685         to array of enum reg_class.
686         (mcore_attribute_table): Make static.  Move higher in file.
687         (mcore_rtx_costs): Add cast to enum type.
688         * config/mcore/mcore.h (regno_reg_class): Update declaration.
689         (GO_IF_LEGITIMATE_INDEX): Add cast to avoid warning.
690         * config/sh/sh.c (sh_attribute_table): Make static.  Move higher
691         in file.
692         * config/sh/predicates.md (trapping_target_operand): Rename and to
693         and_expr.
694         * config/sparc/sparc.c (sparc_attribute_table): Make static.  Move
695         higher in file.
696         * config/spu/spu.c (spu_attribute_table): Make static.  Move
697         higher in file.
698         * config/v850/v850.c (v850_attribute_table): Make static.  Move
699         higher in file.
700         (v850_rtx_costs): Use local code with enum type.
701         (expand_epilogue): Add cast.
702         * config/v850/v850-c.c (ghs_pragma_section): Initialize repeat.
703
704 2009-06-23  Takashi YOSHII  <yoshii.takashi@renesas.com>
705
706         PR target/40515
707         * doc/invoke.texi (SH Options): Document -m2a, -m2a-single,
708         -m2a-single-only and -m2a-nofpu.
709         * config/sh/sh.opt: Document m2a generates FPU code.  
710
711 2009-06-24  Anatoly Sokolov  <aesok@post.ru>
712
713         * defaults.h (CAN_ELIMINATE): Provide default.
714         * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
715         * config/alpha/alpha.h (CAN_ELIMINATE): Delete.
716         * config/m32c/m32c.h (CAN_ELIMINATE): Delete.
717         * config/spu/spu.h (CAN_ELIMINATE): Delete.
718         * config/xtensa/xtensa.h (CAN_ELIMINATE): Delete.
719         * config/moxie/moxie.h (CAN_ELIMINATE): Delete.
720         * config/cris/cris.h (CAN_ELIMINATE): Delete.
721         * config/mn10300/mn10300.h (CAN_ELIMINATE): Delete.
722         * config/pa/pa64-linux.h (CAN_ELIMINATE): Delete.
723         * config/mmix/mmix.h (CAN_ELIMINATE): Delete.
724
725 2009-06-24  DJ Delorie  <dj@redhat.com>
726
727         * mep-ext-cop.cpu: Fix copyright notice.
728         * mep-default: Fix copyright notice.
729         * mep-core: Fix copyright notice.
730         * mep: Fix copyright notice.
731         * mep-ivc2: Fix copyright notice.
732         * mep-c5: Fix copyright notice.
733
734 2009-06-24  Denis Chertykov  <chertykov@gmail.com>
735
736         * doc/contrib.texi (Contributors): 
737
738 2009-06-24  Andreas Krebbel  <krebbel1@de.ibm.com>
739         
740         PR middle-end/40501
741         * tree-ssa-math-opts.c (execute_optimize_bswap): Convert the bswap
742         src and dst operands if necessary.
743
744 2009-06-23  DJ Delorie  <dj@redhat.com>
745
746         Add MeP port.
747         * config.gcc: Add mep support.
748         * recog.c: Resurrect validate_replace_rtx_subexp().
749         * recog.h: Likewise.
750         * config/mep/: Add new port:
751         * config/mep/constraints.md: New file.
752         * config/mep/default.h: New file.
753         * config/mep/intrinsics.h: New file.
754         * config/mep/intrinsics.md: New file.
755         * config/mep/ivc2-template.h: New file.
756         * config/mep/mep-c5.cpu: New file.
757         * config/mep/mep-core.cpu: New file.
758         * config/mep/mep-default.cpu: New file.
759         * config/mep/mep-ext-cop.cpu: New file.
760         * config/mep/mep-intrin.h: New file.
761         * config/mep/mep-ivc2.cpu: New file.
762         * config/mep/mep-lib1.asm: New file.
763         * config/mep/mep-lib2.c: New file.
764         * config/mep/mep-pragma.c: New file.
765         * config/mep/mep-protos.h: New file.
766         * config/mep/mep-tramp.c: New file.
767         * config/mep/mep.c: New file.
768         * config/mep/mep.cpu: New file.
769         * config/mep/mep.h: New file.
770         * config/mep/mep.md: New file.
771         * config/mep/mep.opt: New file.
772         * config/mep/predicates.md: New file.
773         * config/mep/t-mep: New file.
774
775 2009-06-23  Ian Lance Taylor  <iant@google.com>
776
777         * configure.ac: Invoke AC_PROG_CXX.  Separate C specific warnings
778         from loose_warn into c_loose_warn and from strict_warn into
779         c_strict_warn.  Set and substitute warn_cxxflags.  Check for
780         --enable-build-with-cxx.  Set and substitute
781         ENABLE_BUILD_WITH_CXX.  Set and substitute HOST_LIBS.
782         * Makefile.in (CXXFLAGS): New variable.
783         (C_LOOSE_WARN, C_STRICT_WARN): New variables.
784         (GCC_WARN_CFLAGS): Add $(C_LOOSE_WARN).  Add $(C_STRICT_WARN) if
785         the default is the same as $(STRICT_WARN).
786         (GCC_WARN_CXXFLAGS, WARN_CXXFLAGS): New variables.
787         (CXX): New variable.
788         (COMPILER): New value if ENABLE_BUILD_WITH_CXX.
789         (COMPILER_FLAGS, LINKER, LINKER_FLAGS): Likewise.
790         (ALL_COMPILERFLAGS, ALL_LINKERFLAGS): Likewise.
791         (HOST_LIBS): New variable.
792         (GCC_CFLAGS): Add $(C_LOOSE_WARN).
793         (ALL_CXXFLAGS): New variable.
794         (LIBS, BACKENDLIBS): Add $(HOST_LIBS).
795         * doc/install.texi (Configuration): Document
796         --enable-build-with-cxx, --with-stage1-ldflags,
797         --with-stage1-libs, --with-boot-ldflags, --with-boot-libs.
798         * configure: Rebuild.
799
800 2009-06-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
801
802         * config/arm/arm.c (arm_override_options): Fix braces and formatting
803         from previous commit.
804
805 2009-06-23  Ian Lance Taylor  <iant@google.com>
806
807         * Makefile.in ($(out_object_file)): Depend upon $(DF_H).
808
809 2009-06-23  Ian Lance Taylor  <iant@google.com>
810
811         * reload.c (alternative_allows_const_pool_ref): Mark mem parameter
812         with ATTRIBUTE_UNUSED.
813
814 2009-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
815             Pat Haugen  <pthaugen@us.ibm.com>
816             Revital Eres  <eres@il.ibm.com>
817
818         * config.in (HAVE_AS_POPCNTD): Add default definition.
819         (HAVE_AS_LWSYNC): Ditto.
820
821         * configure.ac (gcc_cv_as_powerpc_mfpgpr): Provide real binutils
822         release number.
823         (gcc_cv_as_powerpc_cmpb): Ditto.
824         (gcc_cv_as_powerpc_dfp): Ditto.
825         (gcc_cv_as_powerpc_vsx): Ditto.
826         (gcc_cv_as_powerpc_popcntd): Add feature test for assembler
827         supporting the popcntd/lwsync instructions.
828         (gcc_cv_as_powerpc_lwsync): Ditto.
829         * configure: Regenerate.
830
831         * config/rs6000/aix53.h (ASM_CPU_SPEC): Add support for
832         -mcpu=native and -mcpu=power7.
833         * config/rs6000/aix61.h (ASM_CPU_SPEC): Ditto.
834
835         * config/rs6000/linux64.opt (-mprofile-kernel): Move switch to be
836         a variable instead of a mask to reduce the number of mask bits.
837         * config/rs6000/sysv4.opt (-mbit-align): Ditto.
838         (-mbit-word): Ditto.
839         (-mregnames): Ditto.
840         * config/rs6000/rs6000.opt (-mupdate): Ditto.
841         (-mfused-madd): Ditto.
842
843         * config/rs6000/rs6000.opt (-mpopcntd): New switch for non-VSX ISA
844         2.06 instructions.
845         (-mvsx): New switch for VSX instructions.
846         (-misel): Move from a variable to a mask to allow it to be set by
847         -mcpu=.
848
849         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_nregs): Change
850         function declaration to an array declaration.
851         (rs6000_hard_regno_nregs): New external array declaration.
852
853         * config/rs6000/t-rs6000 (MD_INCLUDES): Define, add all of the .md
854         files included by rs6000.md.
855
856         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
857         SET_PROFILE_KERNEL macro to reset the -mprofile-kernel switch.
858
859         * config/rs6000/rs6000.c (rs6000_isel): Delete, -misel moved to be
860         a target mask.
861         (rs6000_debug_reg): New -mdebug= variables.
862         (rs6000_debug_addr): Ditto.
863         (rs6000_debug_cost): Ditto.
864         (rs6000_pmode): New variable to hold Pmode.
865         (rs6000_pointer_size): New variable to hold POINTER_SIZE.
866         (rs6000_class_max_nregs): New array to hold CLASS_MAX_NREGS
867         calculated at compiler start.
868         (rs6000_hard_regno_nregs): Change function to an array which holds
869         HARD_REGNO_NREGS calculated at compiler start.
870         (rs6000_explicit_options): Delete isel field.
871         (rs6000_vector_unit): New array to hold which vector unit
872         supports arithmetic options for a given type.
873         (rs6000_vector_mem): New array to hold which vector unit supports
874         memory reference operations for a given type.
875         (rs6000_vector_align): New array to given the alignment of each
876         vector type.
877         (power7_cost): New basic costs for power7.
878         (SET_PROFILE_KERNEL): New macro for resetting -mprofile-kernel.
879         (rs6000_hard_regno_nregs_internal): New function, moved from
880         HARD_REGNO_NREGS, to calculate the number of registers each hard
881         register takes for each type.
882         (rs6000_debug_reg_print): New function for -mdebug=reg support.
883         (rs6000_debug_vector_unit): New array, map rs6000_vector to string.
884         (+rs6000_init_hard_regno_mode_ok): New function, move calculation
885         of HARD_REGNO_NREGS, CLASS_MAX_NREGS, REGNO_REG_CLASS, and vector
886         unit information here so it is calculated once at compiler startup
887         time.
888         (rs6000_override_options): Make -misel a target mask.  Add more
889         power7 target masks.  Setup Pmode and POINTER_SIZE.  Add initial
890         VSX support.  Add support for -mdebug=reg, -mdebug=addr, and
891         -mdebug=cost.
892         (POWERPC_MASKS): Add MASK_POPCNTD, MASK_VSX, and MASK_ISEL.
893         (rs6000_handle_option): Move -misel from variable to target mask.
894         (rs6000_builtin_mask_for_load): Add VSX support.
895         (rs6000_conditional_register_usage): Ditto.
896         (USE_ALTIVEC_FOR_ARG_P): Ditto.
897         (function_arg_boundary): Ditto.
898         (rs6000_expand_builtin): Ditto.
899         (def_builtin): Make abort message a little friendlier.
900         (rs6000_emit_int_cmove): Add support for 64-bit isel.
901
902         * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Depend on the
903         assembler support the popcntd instruction instead of a vsx
904         instruction to enable power7 support.
905         (ASM_CPU_SPEC): Add support for -mcpu=native and -mcpu=power7.
906         (EXTRA_SPECS): Add ASM_CPU_NATIVE_SPEC to allow passing the right
907         option to the assembler if -mcpu=native.
908         (ASM_CPU_NATIVE_SPEC): Ditto.
909         (TARGET_POPCNTD): If assembler doesn't support popcntd, turn off
910         ISA 2.06 features.
911         (TARGET_LWSYNC_INSTRUCTION): Define whether it is safe to issue
912         the lwsync instruction.
913         (enum processor_type): Add PROCESSOR_POWER7.
914         (rs6000_debug_reg): New -mdebug= options.
915         (rs6000_debug_addr): Ditto.
916         (rs6000_debug_cost): Ditto.
917         (rs6000_isel): Delete.
918         (enum rs6000_vector): New enum to say what vector unit we have.
919         (VECTOR_UNIT_*): New macros to say which vector unit has
920         arithmetic operations for a given type.
921         (VECTOR_MEM_*): New macros to say which vector unit has memory
922         operations for a given type.
923         (TARGET_LDBRX): Whether the machine supports the ldbrx
924         instruction.
925         (TARGET_ISEL): Delete, -misel moved to be a mask.
926         (TARGET_ISEL64): New macro for 64-bit isel support.
927         (UNITS_PER_VSX_WORD): New macro.
928         (POINTER_SIZE): Move to be an external variable, rather than
929         calculating whether we are generating 32 ot 64-bit code.
930         (Pmode): Ditto.
931         (STACK_BOUNDARY): Add VSX support.
932         (LOCAL_ALIGNMENT): Ditto.
933         (SLOW_UNALIGNED_ACCESS): Ditto.
934         (VSX_REGNO_P): New macro for VSX support.
935         (VFLOAT_REGNO_P): Ditto.
936         (VINT_REGNO_P): Ditto.
937         (VLOGICAL_REGNO_P): Ditto.
938         (VSX_VECTOR_MODE): Ditto.
939         (VSX_SCALAR_MODE): Ditto.
940         (VSX_MODE): Ditto.
941         (VSX_MOVE_MODE): Ditto.
942         (VSX_REG_CLASS_P): Ditto.
943         (HARD_REGNO_NREGS): Instead of calling a function, use an array
944         lookup.
945         (UNITS_PER_SIMD_WORD): Add VSX support.
946         (MODES_TIEABLE_P): Ditto.
947         (STARTING_FRAME_OFFSET): Ditto.
948         (STACK_DYNAMIC_OFFSET): Ditto.
949         (EPILOGUE_USES): Ditto.
950         (REGNO_REG_CLASS): Move to array lookup.
951         (CLASS_MAX_NREGS): Ditto.
952         (rs6000_vector_reg_class): Add declaration.
953         (ADDITIONAL_REGISTER_NAMES): Add VSX names for the registers that
954         overlap with the floating point and Altivec registers.
955
956         * config/rs6000/e500.h (CHECK_E500_OPTIONS): Disallow -mvsx.
957
958         * config/rs6000/driver-rs6000.c (asm_names): New static array to
959         give the appropriate asm switches if -mcpu=native.
960         (host_detect_local_cpu): Add support for "asm".
961         (host_detect_local_cpu): Follow GNU code guidelines for name.
962
963         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Move
964         -mbit-word to a variable instead of being a target mask.
965
966         * config/rs6000/sync.md (lwsync): If the assembler supports it,
967         emit the lwsync instruction instead of emitting the instruction as
968         an integer constant.
969
970         * config/rs6000/spe.md (spe_fixuns_truncdfsi2): Rename from
971         fixuns_trundfsi2, move expander into rs6000.md.
972
973         * config/rs6000/rs6000.md (cpu): Add power7.
974         (sel, *ptrsize): New mode attributes for 32/64-bit isel.
975         (logical predicate patterns): Change the single instruction
976         primitives that set CR0 to be fast_compare instead of compare.
977         (norsi*): Ditto.
978         (popcntwsi2): Add support for ISA 2.06 popcount instructions.
979         (popcntddi2): Ditto.
980         (popcount<mode>): Ditto.
981         (floating multiply/add insns): Name the floating point
982         multiply/add insns.
983         (isel_signed_<mode>): Add support for -misel on 64-bit systems.
984         (isel_unsigned_<mode>): Ditto.
985         (fixuns_trundfsi2): Move expander here from spe.md.
986         (smindi3): Define if we have -misel on 64-bit systems.
987         (smaxdi3): Ditto.
988         (umindi3): Ditto.
989         (umaxdi3): Ditto.
990
991 2009-06-23  Anatoly Sokolov  <aesok@post.ru>
992
993         * config.gcc (avr-*-rtems*, avr-*-*): Set extra_gcc_objs and
994         extra_objs.
995         * config/avr/avr.c (avr_current_device): New variable.
996         (avr_arch_types, avr_mcu_types): Move to avr-deveces.c.
997         (avr_arch, mcu_type_s): Move to avr.h.
998         * config/avr/avr.h (base_arch_s). Add reserved2, arch_name and
999         default_data_section_start fields.
1000         (avr_arch): Moved from avr.c.
1001         (mcu_type_s): Moved from avr.c. Add short_sp, data_section_start and
1002         library_name fields.
1003         (avr_current_device, avr_mcu_types, avr_arch_types,
1004         avr_device_to_arch, avr_device_to_data_start,
1005         avr_device_to_startfiles, avr_device_to_devicelib): Declare.
1006         (EXTRA_SPEC_FUNCTIONS): Define.
1007         (LINK_SPEC): Remove device name to '-m ...' and '-Tdata ...' linker
1008         options mapping. Use device_to_arch and device_to_data_start insted.
1009         (STARTFILE_SPEC): Use device_to_startfile instead of crt_binutils.
1010         (CRT_BINUTILS_SPECS, EXTRA_SPECS): Remove.
1011         * config/avr/t-avr (driver-avr.o, avr-devices.o): New rules.
1012         * config/avr/driver-avr.c: New file.
1013         * config/avr/avr-devices.c: New file.
1014
1015 2009-06-23  Jakub Jelinek  <jakub@redhat.com>
1016
1017         * var-tracking.c (unshare_variable): Force initialized to
1018         be VAR_INIT_STATUS_INITIALIZED unless flag_var_tracking_uninit.
1019         (set_variable_part): Likewise.
1020         (struct variable_union_info): Remove pos_src field.
1021         (vui_vec, vui_allocated): New variables.
1022         (variable_union): Pass VAR_INIT_STATUS_UNKNOWN to unshare_variable
1023         unconditionally.  Avoid XCVECNEW/free for every sorting, for dst_l
1024         == 1 use a simpler sorting algorithm.  Compute pos field right
1025         away, don't fill in pos_src.  For dst_l == 2 avoid qsort.
1026         Avoid quadratic comparison if !flag_var_tracking_uninit.
1027         (variable_canonicalize): Pass VAR_INIT_STATUS_UNKNOWN to
1028         unshare_variable unconditionally.   
1029         (dataflow_set_different_2): Removed.
1030         (dataflow_set_different): Don't traverse second hash table.
1031         (compute_bb_dataflow): Pass VAR_INIT_STATUS_UNINITIALIZED
1032         unconditionally to var_reg_set or var_mem_set.
1033         (emit_notes_in_bb): Likewise.
1034         (delete_variable_part): Pass VAR_INIT_STATUS_UNKNOWN to
1035         unshare_variable.
1036         (emit_note_insn_var_location): Don't set initialized to
1037         VAR_INIT_STATUS_INITIALIZED early.
1038         (vt_finalize): Free vui_vec if needed, clear vui_vec and
1039         vui_allocated.
1040         * rtl.c (rtx_equal_p): Don't implement on top of rtx_equal_p_cb.
1041
1042         * tree-object-size.c (addr_object_size): Instead of checking
1043         for non-NULL TREE_CHAIN of the FIELD_DECL check that there
1044         are no FIELD_DECLs following it.
1045
1046 2009-06-23  Andreas Krebbel  <krebbel1@de.ibm.com>
1047
1048         * tree-ssa-math-opts.c (find_bswap): Increase the search depth in
1049         order to match bswaps with signed source operands.
1050
1051 2009-06-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1052
1053         * sdbout.c (sdbout_one_type): Fix braces in switch.
1054
1055 2009-06-23  Richard Guenther  <rguenther@suse.de>
1056
1057         * tree-ssa-structalias.c (struct variable_info): Add is_global_var
1058         member.
1059         (var_anything, anything_tree, var_nothing, nothing_tree, var_readonly,
1060         readonly_tree, var_escaped, escaped_tree, var_nonlocal, nonlocal_tree,
1061         var_callused, callused_tree, var_storedanything, storedanything_tree,
1062         var_integer, integer_tree): Remove global variables.
1063         (new_var_info): Do not pass new id, append the new var to the
1064         global variable vector.
1065         (do_ds_constraint): Use is_global_var member of the variable-info.
1066         (new_scalar_tmp_constraint_exp): Adjust.
1067         (create_function_info_for): Likewise.
1068         (create_variable_info_for): Likewise.
1069         (find_what_var_points_to): Remove dead code.
1070         (init_base_vars): Simplify.
1071         (compute_points_to_sets): Adjust.
1072
1073 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
1074
1075         * combine.c (try_combine): Dump information about the insns we're
1076         combining.
1077
1078 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
1079
1080         * combine.c (combine_simplify_rtx): Remove TRULY_NOOP_TRUNCATION
1081         check when calling force_to_mode on TRUNCATE's operand.
1082
1083 2009-06-22  Ian Lance Taylor  <iant@google.com>
1084
1085         * config/rs6000/rs6000.opt: Move msched-epilog before msched-prolog.
1086
1087 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
1088
1089         * config/arm/arm.md (prologue_use): Set length of fake insn to 0.
1090
1091 2009-06-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1092
1093         * doc/invoke.texi (Link Options): -nodefaultlibs and -nostdlib
1094         override library linkage flags such as -static-libgcc or
1095         -shared-libgcc.
1096
1097 2009-06-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
1098
1099         * config/m68k/m68k-devices.def: Add line for MCF5221x.
1100
1101 2009-06-22  Ian Lance Taylor  <iant@google.com>
1102
1103         * config/linux.opt: Put mglibc ahead of muclibc.
1104
1105         * c-decl.c (diagnose_mismatched_decls): Add -Wc++-compat warning
1106         for duplicate decls.
1107
1108 2009-06-22  Matthias Klose  <doko@ubuntu.com>
1109
1110         * Makefile.in (install-plugin): Remove extra `/' after $(DESTDIR).
1111
1112 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
1113
1114         PR objc/28050
1115         * c-parser.c (c_parser_objc_message_args): Return error_mark_node
1116         instead of NULL if a parser error occurs.
1117
1118 2009-06-22  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1119
1120         * dwarf2out.c (dwarf2_debug_hooks): Initialize
1121         non-DWARF2_DEBUGGING_INFO version.
1122
1123 2009-06-22  Kai Tietz  <kai.tietz@onevision.com>
1124
1125         * config.gcc (i[34567]86-*-mingw*, x86_64-*-mingw*): Add
1126         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file.
1127
1128         * config/i386/mingw32.h (LIBGCC2_HAS_TF_MODE): Define.
1129         (LIBGCC2_TF_CEXT): Define.
1130         (TF_SIZE): Define.
1131
1132 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1133
1134         PR target/40463
1135         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Fix definition.
1136
1137 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1138
1139         * config/arm/arm.c (arm_override_options): Disable
1140         -mcaller-super-interworking and -mcallee-super-interworking.
1141         * doc/invoke.texi (ARM Options): Document this.
1142
1143 2009-06-22  Nathan Sidwell  <nathan@codesourcery.com>
1144
1145         * config/arm/arm.c (arm_print_operand): Deal with HIGH.
1146         * config/arm/constraints.md (j): New constraint for movw operands.
1147         (N): Remove thumb2 meaning.
1148         * config/arm/arm.md (*arm_movw): Delete.
1149         (*arm_movsi_insn): Use j constraint for movw instead of N constraint.
1150         * config/arm/vfp.md (*arm_movsi_vfp, *thumb2_movsi_vfp): Likewise.
1151         * config/arm/thumb2.md (*thumb2_movsi_insn): Likewise.
1152
1153 2009-06-22  Martin Jambor  <mjambor@suse.cz>
1154
1155         PR tree-optimization/40492
1156         * tree-sra.c (sra_modify_assign): Pass zero offsets to
1157         build_ref_for_offset.
1158
1159 2009-06-22  Shujing Zhao  <pearly.zhao@oracle.com>
1160
1161         * alias.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P, CALL_P, NOTE_P and
1162         JUMP_TABLE_DATA_P predicates where applicable.
1163         * auto-inc-dec.c: Ditto.
1164         * builtins.c: Ditto.
1165         * caller-save.c: Ditto.
1166         * calls.c: Ditto.
1167         * cfgcleanup.c: Ditto.
1168         * cfglayout.c: Ditto.
1169         * cfgrtl.c: Ditto.
1170         * combine.c: Ditto.
1171         * combine-stack-adj.c: Ditto.
1172         * cse.c: Ditto.
1173         * cselib.c: Ditto.
1174         * dbxout.c: Ditto.
1175         * df-scan.c: Ditto.
1176         * dse.c: Ditto.
1177         * dwarf2asm.c: Ditto.
1178         * dwarf2out.c: Ditto.
1179         * emit-rtl.c: Ditto.
1180         * except.c: Ditto.
1181         * explow.c: Ditto.
1182         * expmed.c: Ditto.
1183         * expr.c: Ditto.
1184         * final.c: Ditto.
1185         * function.c: Ditto.
1186         * fwprop.c: Ditto.
1187         * gcse.c: Ditto.
1188         * genpreds.c: Ditto.
1189         * genrecog.c: Ditto.
1190         * ifcvt.c: Ditto.
1191         * ira-costs.c: Ditto.
1192         * ira-lives.c: Ditto.
1193         * jump.c: Ditto.
1194         * loop-iv.c: Ditto.
1195         * lower-subreg.c: Ditto.
1196         * modulo-sched.c: Ditto.
1197         * optabs.c: Ditto.
1198         * postreload.c: Ditto.
1199         * print-rtl.c: Ditto.
1200         * recog.c: Ditto.
1201         * reginfo.c: Ditto.
1202         * regmove.c: Ditto.
1203         * reload1.c: Ditto.
1204         * reload.c: Ditto.
1205         * reorg.c: Ditto.
1206         * rtlanal.c: Ditto.
1207         * rtl.c: Ditto.
1208         * sched-vis.c: Ditto.
1209         * sdbout.c: Ditto.
1210         * sel-sched-ir.c: Ditto.
1211         * simplify-rtx.c: Ditto.
1212         * targhooks.c: Ditto.
1213         * var-tracking.c: Ditto.
1214         * vmsdbgout.c: Ditto.
1215
1216 2009-06-22  Matthias Klose  <doko@ubuntu.com>
1217
1218         * Makefile.in (install-plugin): Always use DESTDIR.
1219
1220 2009-06-22  Olivier Hainque  <hainque@adacore.com>
1221         
1222         * config/pa/pa.c (output_call): Don't optimize post call jumps
1223         into return address adjustments if the call may throw.
1224
1225 2009-06-21  Richard Earnshaw  <rearnsha@arm.com>
1226
1227         * arm.c (thumb1_output_casesi): New function.
1228         * arm.h (CASE_VECTOR_PC_RELATIVE): Thumb-1 code is also relative if
1229         optimizing for size or PIC.
1230         (CASE_VECTOR_SHORTEN_MODE): Handle thumb-1.
1231         * arm.md (UNSPEC_THUMB1_CASESI): New constant.
1232         (casesi): Handle Thumb-1 when optimizing for size or PIC.
1233         (thumb1_casesi_internal_pic): New expand rule.
1234         (thumb1_casesi_dispatch): New pattern.
1235         * aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use shortened vectors for
1236         thumb-1 mode.
1237         * coff.h (JUMP_TABLES_IN_TEXT_SECTION): Thumb-1 jump tables are now
1238         in the text seciton when PIC or optimizing for size.
1239         * elf.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
1240         * lib1funcs.asm ([__ARM_EABI__]): Add an attribute describing stack
1241         preservation properties of code.
1242         (__gnu_thumb1_case_sqi, __gnu_thumb1_case_uqi): New functions.
1243         (__gnu_thumb1_case_shi, __gnu_thumb1_case_uhi): New functions.
1244         (__gnu_thumb1_case_si): New function.
1245         * t-arm (LIB1ASMSRC): Define here.
1246         (LIB1ASMFUNCS): Add some common functions.
1247         * t-arm-elf (LIB1ASMSRC): Delete.
1248         (LIB1ASMFUNCS): Append to existing set.
1249         * t-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
1250         * t-strongarm-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
1251         * t-symbian (LIB1ASMFUNCS): Likewise.
1252         * t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
1253         * t-wince-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
1254
1255 2009-06-21  Richard Guenther  <rguenther@suse.de>
1256
1257         PR tree-optimization/38729
1258         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Restrict
1259         to loops with a single exit if -fno-expensive-optimizations.
1260
1261 2009-06-21  Jakub Jelinek  <jakub@redhat.com>
1262
1263         * var-tracking.c (struct shared_hash_def, shared_hash): New types.
1264         (dataflow_set): Change vars type from htab_t to shared_hash.
1265         (shared_hash_pool, empty_shared_hash): New variables.
1266         (vars_clear): Removed.
1267         (shared_hash_shared, shared_hash_htab, shared_hash_copy,
1268         shared_hash_find_slot_unshare, shared_hash_find_slot,
1269         shared_hash_find_slot_noinsert, shared_hash_find): New
1270         static inlines.
1271         (shared_hash_unshare, shared_hash_destroy): New functions.
1272         (unshare_variable): Unshare set->vars if shared, use
1273         shared_hash_htab.
1274         (vars_copy): Use htab_traverse_noresize instead of htab_traverse.
1275         (get_init_value, find_src_set_src, dump_dataflow_set,
1276         clobber_variable_part, emit_notes_for_differences): Use
1277         shared_hash_htab.
1278         (dataflow_set_init): Remove second argument, set vars to
1279         empty_shared_hash instead of creating a new htab.
1280         (dataflow_set_clear): Call shared_hash_destroy and set vars
1281         to empty_shared_hash instead of calling vars_clear.
1282         (dataflow_set_copy): Don't call vars_copy, instead just share
1283         the src htab with dst.
1284         (variable_union): Use shared_hash_*, use initially NO_INSERT
1285         lookup if set->vars is shared.  Don't keep slot cleared before
1286         calling unshare_variable.  Unshare set->vars if needed.
1287         Even ->refcount == 1 vars must be unshared if set->vars is shared
1288         and var needs to be modified.
1289         (variable_canonicalize): New function.
1290         (dataflow_set_union): If dst->vars is empty, just share src->vars
1291         with dst->vars and traverse with variable_canonicalize to canonicalize
1292         and unshare what is needed.
1293         (dataflow_set_different): If old_set and new_set use the same shared
1294         htab, they aren't different.  If number of htab elements is different,
1295         htabs are different.  Use shared_hash_*.
1296         (dataflow_set_destroy): Call shared_hash_destroy instead of
1297         htab_delete.
1298         (compute_bb_dataflow, emit_notes_in_bb, vt_emit_notes): Don't pass
1299         second argument to dataflow_set_init.
1300         (vt_initialize): Likewise.  Initialize shared_hash_pool and
1301         empty_shared_hash, move bb in/out initialization afterwards.
1302         Use variable_htab_free instead of NULL as changed_variables del hook.
1303         (variable_was_changed): Change type of second argument to pointer to
1304         dataflow_set.  When inserting var into changed_variables, bump
1305         refcount.  Unshare set->vars if set is shared htab and slot needs to
1306         be cleared.
1307         (set_variable_part): Use shared_hash_*, use initially NO_INSERT
1308         lookup if set->vars is shared.  Unshare set->vars if needed.
1309         Even ->refcount == 1 vars must be unshared if set->vars is shared
1310         and var needs to be modified.  Adjust variable_was_changed caller.
1311         (delete_variable_part): Use shared_hash_*.  Even ->refcount == 1
1312         vars must be unshared if set->vars is shared and var needs to be
1313         modified.  Adjust variable_was_changed caller.
1314         (emit_note_insn_var_location): Don't pool_free var.
1315         (emit_notes_for_differences_1): Initialize empty_var->refcount to 0
1316         instead of 1.
1317         (vt_finalize): Call htab_delete on empty_shared_hash->htab and
1318         free_alloc_pool on shared_hash_pool.
1319
1320 2009-06-20  Anthony Green  <green@moxielogic.com>
1321
1322         * config/moxie/sfp-machine.h (__gcc_CMPtype, CMPtype): Define.
1323         * config/moxie/moxie.h (LOAD_EXTEND_OP): Define.
1324
1325 2009-06-20  Richard Guenther  <rguenther@suse.de>
1326
1327         * tree-ssa-structalias.c (find_func_aliases): For memset use
1328         a constraint from NULL if we memset to zero.
1329         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Add builtins
1330         we explicitly handle that do not read from memory.
1331         (call_may_clobber_ref_p_1): Properly handle builtins that may
1332         set errno.
1333
1334 2009-06-20  Richard Guenther  <rguenther@suse.de>
1335
1336         PR tree-optimization/40495
1337         * tree-ssa-structalias.c (get_constraint_exp_for_temp): Remove.
1338         (new_scalar_tmp_constraint_exp): New function.
1339         (process_constraint): Do not create temporary decls.
1340         (process_all_all_constraints): Likewise.
1341         (handle_const_call): Likewise.
1342         (create_function_info_for): Do not set decl.
1343
1344 2009-06-19  Ian Lance Taylor  <iant@google.com>
1345
1346         * config/rs6000/rs6000.c (rs6000_explicit_options): Make static.
1347         (rs6000_attribute_table): Make static; move before use.
1348
1349 2009-06-19  Eric Botcazou  <ebotcazou@adacore.com>
1350
1351         * tree.c (substitute_in_expr) <COMPONENT_REF>: Tweak and reformat.
1352         <tcc_vl_exp>: Call process_call_operands on the new CALL_EXPR.
1353         Propagate the TREE_READONLY flag without overwriting it.
1354         (substitute_placeholder_in_expr) <tcc_vl_exp>: Likewise.
1355         Propagate the TREE_READONLY flag onto the result.
1356         (process_call_operands): Move around.  Use correct constant value.
1357
1358 2009-06-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1359
1360         PR target/40482
1361         * config/arm/arm.c (thumb_shiftable_const): Truncate val to 32 bits.
1362         * config/arm/arm.md: Likewise.
1363
1364 2009-06-19  Ian Lance Taylor  <iant@google.com>
1365
1366         * tree-cfg.c (gimple_redirect_edge_and_branch): Change ERROR_MARK
1367         to GIMPLE_ERROR_MARK.
1368
1369         * c-typeck.c (build_conditional_expr): Add op1_original_type and
1370         op2_original_type parameters.  Warn about using different enum types.
1371         * c-parser.c (c_parser_conditional_expression): Pass original
1372         types to build_conditional_expr.
1373         * c-tree.h (build_conditional_expr): Update declaration.
1374
1375 2009-06-19  Ian Lance Taylor  <iant@google.com>
1376
1377         * config/i386/i386.c (ix86_function_specific_save): Test that
1378         fields match values, rather than testing the values are in a
1379         certain range.
1380
1381 2009-06-19  Richard Guenther  <rguenther@suse.de>
1382
1383         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle
1384         ADDR_EXPR pointers.
1385         (ptr_derefs_may_alias_p): Likewise.
1386         (ptr_deref_may_alias_ref_p_1): New function.
1387         (ptr_deref_may_alias_ref_p): Likewise.
1388         (ref_maybe_used_by_call_p_1): Handle builtins that are not
1389         covered by looking at the ESCAPED solution.
1390         (call_may_clobber_ref_p_1): Likewise.
1391         * tree-ssa-structalias.c (get_constraint_for_ptr_offset):
1392         Handle NULL_TREE offset.  Do not produce redundant constraints.
1393         (process_all_all_constraints): New helper function.
1394         (do_structure_copy): Use it.
1395         (handle_lhs_call): Likewise.
1396         (find_func_aliases): Handle some builtins with pointer arguments
1397         and/or return values explicitly.
1398
1399 2009-06-19  Ian Lance Taylor  <iant@google.com>
1400
1401         * varasm.c (const_rtx_hash_1): Remove const qualifier from shift.
1402
1403 2009-06-19  Ian Lance Taylor  <iant@google.com>
1404
1405         * rtl.h (SUBREG_PROMOTED_UNSIGNED_P): Add cast to int.
1406
1407 2009-06-19  Ian Lance Taylor  <iant@google.com>
1408
1409         * ggc-page.c (ggc_pch_write_object): Initialize emptyBytes.
1410         * sdbout.c (sdb_debug_hooks): Initialize non-SDB_DEBUGGING_INFO
1411         version.
1412
1413         * c-decl.c (finish_decl): If -Wc++-compat, warn about
1414         uninitialized const.
1415
1416 2009-06-19  Ian Lance Taylor  <iant@google.com>
1417
1418         * dse.c (struct store_info): Rename bitmap field to bmap.  Change
1419         all uses.
1420
1421         * c-decl.c (in_struct, struct_types): Remove.
1422         (struct c_binding): Add in_struct field.
1423         (c_binding_ptr): Define type, along with VEC.
1424         (struct c_struct_parse_info): Define.
1425         (struct_parse_info): New static variable.
1426         (bind): Initialize in_struct field.
1427         (start_struct): Remove enclosing_in_struct and
1428         enclosing_struct_types parameters.  Add
1429         enclosing_struct_parse_info parameter.  Change all callers.  Set
1430         struct_parse_info rather than in_struct and struct_types.
1431         (grokfield): If -Wc++-compat and there is a symbol binding for the
1432         field name, set the in_struct flag and push it on the
1433         struct_parse_info->fields vector.
1434         (warn_cxx_compat_finish_struct): New static function.
1435         (finish_struct): Remove enclosing_in_struct and
1436         enclosing_struct_types parameters.  Add
1437         enclosing_struct_parse_info parameter.  Change all callers.  Don't
1438         set C_TYPE_DEFINED_IN_STRUCT here.  Call
1439         warn_cxx_compat_finish_struct.  Free struct_parse_info and set to
1440         parameter.  Only push on struct_types if warn_cxx_compat.
1441         (finish_enum): Only push on struct_types if warn_cxx_compat.
1442         (declspecs_add_type): Add loc parameter.  Change all callers.
1443         Change all error calls to error_at.  Pass loc, not input_location,
1444         to pedwarn calls.  Warn if -Wc++-compat and a typedef name is
1445         defined in a struct.  If -Wc++-compat and parsing a struct, record
1446         that a typedef name was used.
1447         * c-parser.c (c_parser_declspecs): Get location to pass to
1448         declspecs_add_type.
1449         (c_parser_struct_or_union_specifier): Update calls to start_struct
1450         and finish_struct.
1451         * c-tree.h (struct c_struct_parse_info): Declare.
1452         (finish_struct, start_struct): Update declarations.
1453         (declspecs_add_type): Update declaration.
1454
1455 2009-06-19  Ian Lance Taylor  <iant@google.com>
1456
1457         * c-decl.c (grokdeclarator): If -Wc++-compat, warn about a global
1458         variable with an anonymous type.
1459
1460 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
1461
1462         * see.c: Remove for real.
1463
1464 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
1465
1466         * optabs.h (enum optab_index): Add new OTI_significand.
1467         (significand_optab): Define corresponding macro.
1468         * optabs.c (init_optabs): Initialize significand_optab.
1469         * genopinit.c (optabs): Implement significand_optab using
1470         significand?f2 patterns.
1471         * builtins.c (expand_builtin_mathfn): Handle
1472         BUILT_IN_SIGNIFICAND{,F,L}.
1473         (expand_builtin): Expand BUILT_IN_SIGNIFICAND{,F,L} using
1474         expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
1475
1476         * config/i386/i386.md (significandxf2, significand<mode>2): New
1477         expanders to implement significandf, significand and significandl
1478         built-ins as inline x87 intrinsics.
1479
1480 2009-06-18  Anatoly Sokolov  <aesok@post.ru>
1481
1482         * config/avr/avr.c (avr_override_options): Remove setting value of
1483         PARAM_INLINE_CALL_COST.
1484
1485 2009-06-18  Richard Henderson  <rth@redhat.com>
1486
1487         PR 40488
1488         * tree-pass.h (TDF_ASMNAME): New.
1489         * tree-dump.c (dump_options): Add asmname.
1490         * doc/invoke.texi: Document it.
1491
1492         * tree-pretty-print.c (maybe_dump_asm_name): Merge into...
1493         (dump_decl_name): ...here.
1494         (dump_function_name): New flags arg; mind TDF_ASMNAME.
1495         (dump_generic_node): Update dump_function_name calls.
1496         (print_call_name): New flags arg; update all dump calls.
1497         * diagnostic.h (print_call_name): Update.
1498         * gimple-pretty-print.c (dump_gimple_call): Update.
1499
1500 2009-06-18  H.J. Lu  <hongjiu.lu@intel.com>
1501
1502         PR target/40470
1503         * config/i386/i386.h (CLASS_LIKELY_SPILLED_P): Add SSE_FIRST_REG.
1504
1505 2009-06-18  Diego Novillo  <dnovillo@google.com>
1506
1507         * doc/plugins.texi: Document plugin_is_GPL_compatible.
1508         * plugin.c (str_license): Declare.
1509         (try_init_one_plugin): Assert that the symbol
1510         'plugin_is_GPL_compatible' exists.
1511
1512 2009-06-18  Sergei Dyshel  <sergeid@il.ibm.com>
1513
1514         * see.c: Remove.
1515         * Makefile.in (OBJS-common): Remove see.o.
1516         (see.o): Remove.
1517         * common.opt (fsee): Mark as preserved for backward compatibility.
1518         * opts.c (common_handle_option): Add OPT_fsee to the backward 
1519         compatibility section.
1520         * passes.c (init_optimization_passes, pass_see): Remove pass.
1521         * timevar.def (TV_SEE): Remove.
1522         * tree-pass.h (pass_see): Remove declaration.
1523         * doc/invoke.texi (-fsee): Remove documentation.
1524         
1525 2009-06-18  Martin Jambor  <mjambor@suse.cz>
1526
1527         * tree-sra.c: Include statistics.h
1528         (sra_stats): New variable.
1529         (sra_initialize): Clear sra_stats.
1530         (create_access_replacement): Increment sra_stats.replacements.
1531         (get_access_replacement): Do not return twice.
1532         (analyze_all_variable_accesses): Increment statistics counter by the
1533         number of scalarized aggregates.
1534         (generate_subtree_copies): Increment sra_stats.subtree_copies.
1535         (sra_modify_expr): Increment sra_stats.exprs.
1536         (load_assign_lhs_subreplacements): Increment sra_stats.subreplacements.
1537         (sra_modify_assign): Increment sra_stats.exprs,
1538         sra_stats.separate_lhs_rhs_handling and sra_stats.deleted.
1539         (perform_intra_sra): Update statistics counters.
1540         * Makefile.in (tree-sra.o): Add statistics.h to dependencies.
1541
1542 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
1543
1544         * config/arm/arm.c (TARGET_SCALAR_MODE_SUPPORTED_P): Redefine.
1545         (arm_scalar_mode_supported_p): New function.
1546
1547 2009-06-18  Paul Brook  <paul@codesourcery.com>
1548             Sandra Loosemore  <sandra@codesourcery.com>
1549
1550         * config/arm/sfp-machine.h (_FP_NANFRAC_H, _FP_NANSIGN_H): Define.
1551         (__extendhfsf2, __truncsfhf2): Define.
1552         * config/arm/fp16.c: New file.
1553         * config/arm/t-bpabi (LIB2FUNCS_STATIC_EXTRA): Add fp16.c.
1554         * config/arm/t-symbian (LIB2FUNCS_STATIC_EXTRA):  Add fp16.c.
1555
1556 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
1557
1558         * doc/extend.texi (Half-Precision): New section.
1559         * doc/invoke.texi (Option Summary): List -mfp16-format.
1560         (ARM Options): List neon-fp16 as -mfpu value.  Document -mfp16-format.
1561         * config/arm/arm.opt (mfp16-format=): New.
1562         * config/arm/arm.c: Include intl.h.
1563         (TARGET_INVALID_PARAMETER_TYPE): Redefine.
1564         (TARGET_INVALID_RETURN_TYPE): Redefine.
1565         (TARGET_PROMOTED_TYPE): Redefine.
1566         (TARGET_CONVERT_TO_TYPE): Redefine.
1567         (arm_fp16_format): Define.
1568         (all_fpus): Add entry for neon-fp16.
1569         (fp_model_for_fpu): Likewise.
1570         (struct fp16_format): Declare.
1571         (all_fp16_formats): Define.
1572         (arm_init_libfuncs): Add entries for HFmode conversions and arithmetic
1573         functions.
1574         (arm_override_options): Set arm_fp16_format. Call sorry for fp16
1575         and no ldrh.
1576         (arm_legitimate_index_p): Treat HFmode like HImode.
1577         (thumb1_legitimate_address_p): Make it recognize HFmode constants.
1578         (coproc_secondary_reload_class): Special-case HFmode.
1579         (arm_print_operand): Add 'z' specifier for vld1.16/vst1.16.
1580         (arm_hard_regno_mode_ok): Allow HFmode values in VFP registers.
1581         (arm_init_fp16_builtins): New.
1582         (arm_init_builtins): Call it.
1583         (arm_invalid_parameter_type): New.
1584         (arm_invalid_return_type): New.
1585         (arm_promoted_type): New.
1586         (arm_convert_to_type).
1587         (arm_file_start): Deal with neon-fp16 as fpu_name.  Emit tag for fp16
1588         format.
1589         (arm_emit_fp16_const): New function.
1590         (arm_mangle_type): Mangle __fp16 as "Dh".
1591         * config/arm/arm.h (TARGET_VFPD32): Make it know about
1592         FPUTYPE_NEON_FP16.
1593         (TARGET_NEON_FP16): New.
1594         (TARGET_NEON): Make it know about FPUTYPE_NEON_FP16.
1595         (enum fputype): Add FPUTYPE_NEON_FP16.
1596         (enum arm_fp16_format_type): Declare.
1597         (arm_fp16_format): Declare.
1598         (LARGEST_EXPONENT_IS_NORMAL): Define.
1599         * config/arm/arm-protos.h (arm_emit_fp16_const): Declare.
1600         * config/arm/arm-modes.def (HFmode): Define.
1601         * config/arm/vfp.md: (*movhf_vfp): New.
1602         (extendhfsf2): New.
1603         (truncsfhf2): New.
1604         * config/arm/arm.md: (fpu): Add neon_fp16.
1605         (floatsihf2, floatdihf2): New.
1606         (fix_trunchfsi2, fix_trunchfdi2): New.
1607         (truncdfhf2): New.
1608         (extendhfdf2): New.
1609         (movhf): New.
1610         (*arm32_movhf): New.
1611         (*thumb1_movhf): New.
1612         (consttable_2): Add check for HFmode constants.
1613         (consttable_4): Handle HFmode constants.
1614
1615 2009-06-18  Uros Bizjak  <ubizjak@gmail.com>
1616
1617         * convert.c (convert_to_integer): Convert (int)logb() into ilogb().
1618
1619 2009-06-17  Olivier Hainque  <hainque@adacore.com>
1620
1621         * collect2.c (main): Use CONST_CAST2 to perform char ** to
1622         const char ** conversion in AIX specific section.
1623         
1624 2009-06-17  H.J. Lu  <hongjiu.lu@intel.com>
1625
1626         * config/i386/i386.c (ix86_special_builtin_type): Remove
1627         UINT64_FTYPE_PINT.  Add UINT64_FTYPE_PUNSIGNED.
1628         (bdesc_special_args): Updated.
1629         (ix86_init_mmx_sse_builtins): Likewise.
1630         (ix86_expand_special_args_builtin): Likewise.
1631
1632 2009-06-17  Richard Henderson  <rth@redhat.com>
1633
1634         * tree-pretty-print.c (maybe_dump_asm_name): New.
1635         (dump_decl_name): Use it.
1636         (PRINT_FUNCTION_NAME): Merge into...
1637         (dump_function_name): ... here.  Use maybe_dump_asm_name.
1638
1639 2009-06-17  Cary Coutant  <ccoutant@google.com>
1640
1641         * dbxout.c (dbxout_source_line): Add is_stmt parameter.
1642         Change caller.
1643         * debug.c (struct gcc_debug_hooks): Change placeholder for
1644         source_line hook.
1645         (debug_nothing_int_charstar_int): Replaced by...
1646         (debug_nothing_int_charstar_int_bool): ...this.
1647         * debug.h (struct gcc_debug_hooks): Add is_stmt parameter to
1648         source_line prototype.
1649         (debug_nothing_int_charstar_int): Replaced by...
1650         (debug_nothing_int_charstar_int_bool): ...this.
1651         * defaults.h (SUPPORTS_DISCRIMINATOR): New constant.
1652         * dwarf2out.c (dwarf2out_source_line): Add is_stmt parameter.
1653         Output is_stmt operand when necessary.
1654         * final.c (final_scan_insn): Pass is_stmt to source_line debug hook.
1655         (notice_source_line): Add is_stmt parameter.
1656         * sdbout.c (sdbout_source_line): Add is_stmt parameter.
1657         * vmsdbgout.c (vmsdbgout_source_line): Add is_stmt parameter.
1658         Change callers.
1659         * xcoffout.c (xcoffout_source_line): Add is_stmt parameter.
1660         * xcoffout.h (xcoffout_source_line): Add is_stmt parameter.
1661
1662 2009-06-17  Ian Lance Taylor  <iant@google.com>
1663
1664         * expr.c (struct move_by_pieces_d): Rename from move_by_pieces.
1665         Change all uses.
1666         (struct store_by_pieces_d): Rename from store_by_pieces.  Change
1667         call uses.
1668
1669 2009-06-17  Adam Nemet  <anemet@caviumnetworks.com>
1670
1671         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS,
1672         STRIP_USELESS_TYPE_CONVERSION): Use tree_strip_nop_conversions,
1673         tree_strip_sign_nop_conversions and
1674         tree_ssa_strip_useless_type_conversions rather than stripping
1675         the operations here.
1676         (tree_strip_nop_conversions, tree_strip_sign_nop_conversions):
1677         Declare them.
1678         * gimple.h (tree_ssa_strip_useless_type_conversions): Declare it.
1679         * tree-ssa.c (tree_ssa_strip_useless_type_conversions): New function.
1680         * tree.c (tree_nop_conversion, tree_sign_nop_conversion,
1681         tree_strip_nop_conversions, tree_strip_sign_nop_conversions): New
1682         functions.
1683
1684 2009-06-17  Michael Eager  <eager@eagercon.com>
1685
1686         * config/rs6000/constraints.md (register_constraint "d"): New.
1687         * config/rs6000/dfp.md (movsd_store, extendsddd2, extendsdtd2,
1688         truncddsd2, *negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
1689         *movdd_hardfloat32, *movdd_hardfloat64_mfpgpr, *movdd_hardfloat64,
1690         *negtd2_fp, *abstd2_fpr, *nabstd2_fpr, *movtd_internal, extendddtd2,
1691         trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
1692         divtd3, *cmpdd_internal1, *cmptd_internal1, floatditd2, ftruncdd2,
1693         fixdddi2, ftrunctd2, fixtddi2): replace 'f' constraint with 'd'
1694         * config/rs6000/ppu_intrinsics.h (__mffs, __mtfsf, __mtfsfi, __fabs,
1695         __fnabs, __fmadd, __fmsub, __fnmadd, __fnmsub, __fsel, __frsqrte,
1696         __fsqrt, __fmul, __fmuls, __frsp, __fcfid, __fctid, __fctidz, __fctiw,
1697         __fctiwz): Same.
1698         * config/rs6000/rs6000.md (*extendsfdf2_fpr, *truncdfsf2_fpr,
1699         *fseldfsf4, *negdf2_fpr, *absdf2_fpr, *nabsdf2_fpr, *adddf3_fpr,
1700         *subdf3_fpr, *muldf3_fpr, *divdf3_fpr, recipdf3, fred, sqrtdf2,
1701         *fseldfdf4, *fselsfdf4, *floatsidf2_internal, *floatunssidf2_internal,
1702         *fix_truncdfsi2_internal, fix_truncdfsi2_internal_gfxopt,
1703         fix_truncdfsi2_mfpgpr, fctiwz, btruncdf2, ceildf2, floordf2, rounddf2,
1704         stfiwx, floatdidf2, fix_truncdfdi2, floatdisf2_internal1,
1705         *movdf_hardfloat32, *movdf_hardfloat64_mfpgpr, *movdf_hardfloat64,
1706         *movtf_internal, *extenddftf2_internal, trunctfdf2_internal1,
1707         trunctfdf2_internal2, trunctfsf2_fprs, fix_trunc_helper,
1708         *fix_trunctfsi2_internal, negtf2_internal, *movdi_internal32,
1709         *movdi_mfpgpr, *movdi_internal64, *movdf_update1, *movdf_update2,
1710         *cmpdf_internal1, *cmptf_internal1, *cmptf_internal2): Same.
1711         * doc/md.texi: Describe PowerPC 'd' constraint, update 'f' constraint.
1712
1713 2009-06-16  Ian Lance Taylor  <iant@google.com>
1714
1715         * profile.c (total_num_never_executed): Don't define.
1716         (compute_branch_probabilities): Don't count or print
1717         num_never_executed.
1718         (init_branch_prob): Don't set total_num_never_executed.
1719         (end_branch_prob): Don't print total_num_never_executed.
1720
1721 2009-06-17  David Daney  <ddaney@caviumnetworks.com>
1722
1723         * jump.c (cleanup_barriers): Handle case of no insns before a barrier.
1724
1725 2009-06-17  David Edelsohn  <edelsohn@gnu.org>
1726
1727         * config/rs6000/dfp.md (nabsdd2_fpr): Correct mode.
1728         (nabstd2_fpr): Same.
1729
1730 2009-06-17  Steve Ellcey  <sje@cup.hp.com>
1731
1732         * expr.c (expand_assignment): Change complex type check.
1733
1734 2009-06-17  Basile Starynkevitch  <basile@starynkevitch.net>
1735
1736         * doc/plugins.texi (Building GCC plugins): Added new section. 
1737
1738 2009-06-17  Ian Lance Taylor  <iant@google.com>
1739
1740         * c-pch.c (get_ident): Don't set size of templ array.
1741         (pch_init): Don't set size of partial_pch array.
1742
1743         * c-typeck.c (digest_init): If -Wc++-compat, warn about using a
1744         string constant to intialize an array whose size is the length of
1745         the string.
1746
1747 2009-06-17  Richard Guenther  <rguenther@suse.de>
1748
1749         PR tree-optimization/40389
1750         * tree-ssa-structalias.c (handle_rhs_call): Restrict NRV case
1751         to addressable types.
1752         * gimple.c (walk_stmt_load_store_addr_ops): Likewise.
1753
1754 2009-06-17  Richard Guenther  <rguenther@suse.de>
1755
1756         PR middle-end/40460
1757         * tree-chrec.h (build_polynomial_chrec): If we cannot determine
1758         if there is no evolution of left in the loop bail out.
1759         * tree-chrec.c (chrec_fold_multiply_poly_poly): CSE one
1760         chrec_fold_multiply.
1761
1762 2009-06-16  J"orn Rennecke  <joern.rennecke@arc.com>
1763             Janis Johnson  <janis187@us.ibm.com>
1764
1765         PR target/39254
1766         * config/rs6000/rs6000.c (rs6000_emit_move): Don't emit a USE
1767         for the symbol ref of a constant that is the source of a move
1768         - nor for any other not-obvious-label-ref constants.
1769
1770 2009-06-16  Olatunji Ruwase  <tjruwase@google.com>
1771
1772         * plugin.c (position_pass): Skip newly inserted pass during list
1773         traversal to avoid repeated insertion.
1774
1775 2009-06-16  Ian Lance Taylor  <iant@google.com>
1776
1777         * vec.h (VEC_stack_alloc): Define different version if
1778         GATHER_STATISTICS is defined, to accept and ignore MEM_STAT.
1779         (DEF_VEC_ALLOC_FUNC_P_STACK): Remove MEM_STAT_DECL.
1780         (DEF_VEC_ALLOC_FUNC_O_STACK): Likewise.
1781         (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
1782
1783 2009-06-16  H.J. Lu  <hongjiu.lu@intel.com>
1784
1785         * config.gcc (extra_headers): Add ia32intrin.h for x86.
1786
1787         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_BSRSI,
1788         IX86_BUILTIN_BSRDI.  IX86_BUILTIN_RDPMC, IX86_BUILTIN_RDTSC.
1789         IX86_BUILTIN_RDTSCP.  IX86_BUILTIN_ROLQI, IX86_BUILTIN_ROLHI,
1790         IX86_BUILTIN_RORQI and IX86_BUILTIN_RORHI.
1791         (ix86_special_builtin_type): Add UINT64_FTYPE_VOID,
1792         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
1793         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
1794         (bdesc_special_args): Add __builtin_ia32_rdtsc and
1795         __builtin_ia32_rdtscp.
1796         (bdesc_args): Add __builtin_ia32_bsrsi, __builtin_ia32_bsrdi,
1797         __builtin_ia32_rolqi, __builtin_ia32_rolhi, __builtin_ia32_rorqi
1798         and __builtin_ia32_rorhi.
1799         (ix86_init_mmx_sse_builtins): Handle UINT64_FTYPE_VOID,
1800         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
1801         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
1802         (ix86_expand_args_builtin): Likewise.
1803         (ix86_expand_special_args_builtin): Likewise.
1804
1805         * config/i386/i386.md (UNSPECV_RDTSCP): New.
1806         (UNSPECV_RDTSC): Likewise.
1807         (UNSPECV_RDPMC): Likewise.
1808         (*bsr): Renamed to ...
1809         (bsr): This
1810         (*bsr_rex64): Renamed to ...
1811         (bsr_rex64): This.
1812         (rdpmc): New.
1813         (*rdpmc): Likewise.
1814         (*rdpmc_rex64): Likewise.
1815         (rdtsc): Likewise.
1816         (*rdtsc): Likewise.
1817         (*rdtsc_rex64): Likewise.
1818         (rdtscp): Likewise.
1819         (*rdtscp): Likewise.
1820         (*rdtscp_rex64): Likewise.
1821
1822         * config/i386/ia32intrin.h: New.
1823
1824         * config/i386/x86intrin.h: Include <ia32intrin.h>.
1825
1826 2009-06-16  Ian Lance Taylor  <iant@google.com>
1827
1828         * ira-build.c (copy_info_to_removed_store_destinations):
1829         Initialize parent_a.
1830
1831 2009-06-16  Ian Lance Taylor  <iant@google.com>
1832
1833         * c-decl.c (grokdeclarator): Change size_varies to bool.
1834
1835 2009-06-16  Ian Lance Taylor  <iant@google.com>
1836
1837         * sel-sched.c: Make forward declarations of move_op_hooks and
1838         fur_hooks explicitly extern.
1839
1840 2009-06-16  Ian Lance Taylor  <iant@google.com>
1841
1842         * df-problems.c (df_byte_lr_alloc): Don't set problem_data to itself.
1843         * vec.c (vec_gc_o_reserve_1): Don't set alloc to itself.
1844
1845 2009-06-16  Ian Lance Taylor  <iant@google.com>
1846
1847         * resource.c (mark_referenced_resources): Change
1848         include_delayed_effects parameter to bool.  Change all callers.
1849         (mark_end_of_function_resources): Likewise.
1850         * reorg.c (insn_references_resource_p): Likewise.
1851         (insn_sets_resource_p): Likewise.
1852         * resource.h (mark_referenced_resources): Update declaration.
1853         (mark_end_of_function_resources): Update declaration.
1854
1855 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
1856
1857         * config/rs6000/aix.h (LIBSTDCXX_STATIC): Remove -lstdc++.
1858
1859 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
1860
1861         * doc/install.texi (*-*-aix): Update explanation of XLC bootstrap.
1862         GCC can bootstrap on AIX with GNU Binutils 2.20.
1863
1864 2009-06-16  Ian Lance Taylor  <iant@google.com>
1865
1866         * Makefile.in (tree-vect-stmts.o): Depend upon $(TOPLEV_H).
1867
1868 2009-06-16  Ian Lance Taylor  <iant@google.com>
1869
1870         * toplev.h (floor_log2): If GCC_VERSION >= 3004, declare as static
1871         inline, not extern inline.
1872         (exact_log2): Likewise.
1873         * toplev.c (floor_log2): Only define if GCC_VERSION < 3004. Don't
1874         test CLZ_HWI.
1875         (exact_log2): Likewise, but don't test CTZ_HWI.
1876
1877 2009-06-16  Ian Lance Taylor  <iant@google.com>
1878
1879         * bitmap.c (bitmap_clear): Don't declare as inline.
1880         * gimple.c (gimplify_assign): Likewise.
1881         * tree-ssa-sccvn.c (vn_nary_op_compute_hash): Likewise.
1882         * haifa-sched.c (insn_cost): Don't declare with HAIFA_INLINE.
1883         (sched_scan_info): Remove duplicate definition.
1884
1885 2009-06-16  Ian Lance Taylor  <iant@google.com>
1886
1887         * c-common.c (skip_evaluation): Don't define.
1888         (c_inhibit_evaluation_warnings): Define global variable.
1889         (overflow_warning): Check c_inhibit_evaluation_warnings rather
1890         than skip_evaluation.
1891         (convert_and_check, warn_for_div_by_zero): Likewise.
1892         * c-common.h (skip_evaluation): Don't declare.
1893         (c_inhibit_evaluation_warnings): Declare.
1894         * c-parser.c (c_parser_typeof_specifier): Set
1895         c_inhibit_evaluation_warnings rather than skip_evaluation.
1896         (c_parser_conditional_expression): Likewise.
1897         (c_parser_binary_expression): Likewise.
1898         (c_parser_sizeof_expression): Likewise.
1899         (c_parser_alignof_expression): Likewise.
1900         * c-typeck.c (build_indirect_ref): Check
1901         c_inhibit_evaluation_warnings rather than skip_evaluation.
1902         (build_conditional_expr, build_binary_op): Likewise.
1903
1904 2009-06-16  Richard Guenther  <rguenther@suse.de>
1905
1906         * tree-ssa-alias.c (is_escape_site): Remove.
1907         * tree-ssa-alias.h (enum escape_type): Remove.
1908         (is_escape_site): Likewise.
1909         * tree-ssa-structalias.c (find_func_aliases): Handle escapes
1910         via casts and asms without deferring to is_escape_site.
1911
1912 2009-06-16  Jakub Jelinek  <jakub@redhat.com>
1913
1914         PR middle-end/40446
1915         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: Don't
1916         use gen_lowpart if op0 has complex mode.
1917
1918 2009-06-16  Richard Guenther  <rguenther@suse.de>
1919
1920         * tree-ssa-structalias.c (do_ds_constraint): Stores in global
1921         variables add them to ESCAPED.
1922         (find_func_aliases): Do not make all indirectly stored values escaped.
1923
1924 2009-06-16  Rafael Avila de Espindola  <espindola@google.com>
1925
1926         * config/i386/winnt.c (i386_pe_encode_section_info): Update call to
1927         make_decl_one_only.
1928
1929 2009-06-16  Martin Jambor  <mjambor@suse.cz>
1930
1931         PR tree-optimization/40432
1932         * tree-sra.c (sra_modify_assign): When creating VIEW_CONVERT_EXPR,
1933         check whether we need to force gimple register operand.
1934
1935 2009-06-16  Martin Jambor  <mjambor@suse.cz>
1936
1937         PR tree-optimization/40413
1938         * tree-sra.c (load_assign_lhs_subreplacements): Pass offset to
1939         build_ref_for_offset.
1940         (propagate_subacesses_accross_link): Fix a typo in a comment.
1941
1942 2009-06-16  Ira Rosen  <irar@il.ibm.com>
1943
1944         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
1945         with additional parameter.
1946         * tree-vectorizer.h (enum vect_def_type): Add new value
1947         vect_nested_cycle.
1948         (enum vect_relevant): Add comments.
1949         (vect_is_simple_reduction): Add new argument.
1950         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Add comments.
1951         Detect nested cycles.
1952         (vect_is_simple_reduction): Update documentation, add an argument to
1953         distinguish inner-loop reduction from nested cycle, detect nested
1954         cycles, fix printings and indentation, don't swap operands in case
1955         of nested cycle.
1956         (get_initial_def_for_reduction): Handle subtraction.
1957         (vect_create_epilog_for_reduction): Add new argument to specify
1958         reduction variable.
1959         (vect_finalize_reduction): Handle subtraction, fix comments.
1960         (vectorizable_reduction): Handle nested cycles. In case of nested
1961         cycle keep track of the reduction variable position. Call 
1962         vect_is_simple_reduction with additional parameter. Use original 
1963         statement code in reduction epilogue for nested cycle. Call
1964         vect_create_epilog_for_reduction with additional parameter.
1965         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Assert
1966         inner-loop vectorization.
1967         (vect_recog_widen_sum_pattern): Likewise.
1968         * tree-vect-stmts.c (process_use): Distinguish between nested cycles
1969         and reductions.
1970         (vect_mark_stmts_to_be_vectorized): Likewise.
1971         (vect_get_vec_def_for_operand): Handle nested cycles.
1972
1973 2009-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1974
1975         * doc/invoke.texi (Debugging Options): Fix option index entries
1976         for -fdump-statistics, -frandom-seed add entries for
1977         -fdump-tree-original, -fdump-tree-optimized, -frandom-seed.
1978         (FRV Options): Fix entries for -mTLS, -mtls.
1979         (HPPA Options): Fix entries for -mgnu-ld, -mhp-ld.
1980         (i386 and x86-64 Options): Fix entry for -mno-red-zone.
1981         (M68hc1x Options): Fix @itemx for -mnominmax.
1982         (MCore Options): Fix entry for -mno-lsim.
1983         (MMIX Options): Fix entry for -mabi=mmixware.
1984         (PDP-11 Options): Fix entry for -mbcopy-builtin.
1985
1986 2009-06-16  Basile Starynkevitch  <basile@starynkevitch.net>
1987
1988         * doc/plugins.texi (Interacting with the GCC Garbage Collector):
1989         Mention the plugin mode of gengtype.
1990         * doc/gty.texi (Source Files Containing Type Information): Likewise.
1991         * gengtype.c: Updated copyright.
1992         (plugin_files, nb_plugin_files) Added new static variables.
1993         (measure_input_list) Care about plugin_files.
1994         (write_rtx_next): Added early return in plugin mode.
1995         (create_file): Updated copyright year in generated file. Added
1996         asserts.
1997         (oprintf): Added early return if NULL outf.
1998         (get_output_file_with_visibility): Care of plugin_files.
1999         (get_output_file_name): May return null.
2000         (write_local): Added early return.
2001         (put_mangled_filename): Ditto.
2002         (finish_root_table): Added check for base_files.
2003         (write_roots): Care about null when plugins.
2004         (main): Added plugin mode.
2005
2006 2009-06-15  Ian Lance Taylor  <iant@google.com>
2007
2008         * df-problems.c (df_simulate_one_insn_forwards): Fix braces in switch.
2009         * gcov.c (read_count_file): Add braces around variables declared
2010         before label.
2011
2012         * c.opt (Wjump-misses-init): New warning.
2013         * c-opts.c (c_common_handle_option): Set warn_jump_misses_init for
2014         -Wall and -Wc++-compat if not already set.
2015         (c_common_post_options): Clear warn_jump_misses_init if it was not
2016         set.
2017         * c-decl.c (struct c_binding): Change type field to a union with
2018         new label field.  Make it the first field in the struct.  Update
2019         references to type to use u.type instead.
2020         (struct c_spot_bindings): Define.
2021         (struct c_goto_bindings): Define.
2022         (c_goto_bindings_p): Define, along with VECs.
2023         (struct c_label_vars): Define.
2024         (struct c_scope): Add has_label_bindings field.
2025         (bind_label, set_spot_bindings): New static functions.
2026         (decl_jump_unsafe, update_spot_bindings): New static functions.
2027         (update_label_decls): New static function.
2028         (pop_scope): Call update_label_decls.  Don't call c_end_vm_scope.
2029         Update binding u.label field to shadowed field.
2030         (c_binding_start_stmt_expr): New function.
2031         (c_binding_end_stmt_expr): New function.
2032         (pushdecl): Don't call c_begin_vm_scope.
2033         (make_label): Add defining and p_label_vars parameters.  Change
2034         all callers.
2035         (lookup_label): Correct test for whether a label has not yet been
2036         defined.  Call bind_label rather than bind.
2037         (warn_about_goto): New static function.
2038         (lookup_label_for_goto): New function.
2039         (declare_label): Call bind_label rather than bind.
2040         (check_earlier_gotos): New static function.
2041         (define_label): Don't give errors about jumping into statement
2042         expressions or scopes of variably modified types.  Call
2043         set_spot_bindings and check_earlier_gotos.  Call bind_label
2044         instead of bind.  Don't set label_context_stack_se or
2045         label_context_stack_vm.
2046         (c_get_switch_bindings): New function.
2047         (c_release_switch_bindings): New function.
2048         (c_check_switch_jump_warnings): New function.
2049         (start_function): Don't set label_context_stack_se or
2050         label_context_stack_vm.
2051         (finish_function): Likewise.
2052         * c-typeck.c (label_context_stack_se): Don't define.
2053         (label_context_stack_vm): Don't define.
2054         (c_finish_goto_label): Call lookup_label_for_goto rather than
2055         lookup_label.  Don't give errors about jumping into a statement
2056         expression or the scope of a variably modified type.  Don't set
2057         label_context_stack_se or label_context_stack_vm.
2058         (struct c_switch): Remove blocked_stmt_expr and blocked_vm
2059         fields.  Add bindings field.
2060         (c_start_case): Don't set deleted fields.  Set bindings field.
2061         (do_case): Rework order of tests.  Don't check blocked_stmt_expr
2062         or blocked_vm.  Call c_check_switch_jump_warnings.
2063         (c_finish_case): Don't test blocked_stmt_expr field.  Call
2064         c_release_switch_bindings.
2065         (c_begin_stmt_expr): Don't increment blocked_stmt_expr in
2066         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
2067         set label_context_stack_se.  Call c_bindings_start_stmt_expr.
2068         (c_finish_stmt_expr): Don't decrement blocked_stmt_expr in
2069         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
2070         set label_context_stack_se.  Call c_bindings_end_stmt_expr.
2071         (c_begin_vm_scope, c_end_vm_scope): Don't define.
2072         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR): Don't define.
2073         (C_DECL_UNDEFINABLE_STMT_EXPR): Don't define.
2074         (C_DECL_UNJUMPABLE_VM): Don't define.
2075         (C_DECL_UNDEFINABLE_VM): Don't define.
2076         (struct c_label_list): Don't define.
2077         (struct c_label_context_se): Don't define.
2078         (struct c_label_context_vm): Don't define.
2079         (struct c_spot_bindings): Declare.
2080         (c_bindings_start_stmt_expr): Declare.
2081         (c_bindings_end_stmt_expr): Declare.
2082         (lookup_label_for_goto): Declare.
2083         (c_get_switch_bindings, c_release_switch_bindings): Declare.
2084         (c_check_switch_jump_warnings): Declare.
2085         (label_context_stack_se, label_context_stack_vm): Don't declare.
2086         (c_finish_goto_label): Update declaration.
2087         (c_begin_vm_scope, c_end_vm_scope): Don't declare.
2088         * doc/invoke.texi (Option Summary): Mention -Wjump-misses-init.
2089         (Warning Options): Document -Wjump-misses-init.
2090
2091 2009-06-15  Jakub Jelinek  <jakub@redhat.com>
2092
2093         * tree-object-size.c (addr_object_size): Fix a pasto in the last
2094         change.
2095
2096 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
2097
2098         * cgraph.c (cgraph_make_node_local): Use DECL_COMDAT_GROUP.
2099
2100 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
2101
2102         * except.c (init_eh): Use BUILTINS_LOCATION when calling build_decl.
2103
2104 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
2105
2106         * tree-eh.c (lower_try_finally_switch): Initialize tf_loc.
2107
2108 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
2109
2110         * cgraphunit.c (cgraph_function_versioning,save_inline_function_body):
2111         Use DECL_COMDAT_GROUP instead of DECL_ONE_ONLY.
2112         * cgraph.c (cgraph_create_virtual_clone): Use DECL_COMDAT_GROUP.
2113         * config/i386/i386.c (ix86_file_end): Compute DECL_COMDAT_GROUP.
2114         * dwarf2asm.c (dw2_force_const_mem): Update call to
2115         make_decl_one_only.
2116         * langhooks-def.h (lhd_comdat_group, LANG_HOOKS_COMDAT_GROUP): Remove.
2117         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_COMDAT_GROUP.
2118         * langhooks.c (lhd_comdat_group): Remove.
2119         * langhooks.h (lang_hooks_for_decls): Remove comdat_group.
2120         * tree.h (DECL_COMDAT_GROUP): New.
2121         (DECL_ONE_ONLY): Use DECL_COMDAT_GROUP.
2122         (tree_decl_with_vis): Add comdat_group. Remove one_only.
2123         (make_decl_one_only): Change signature.
2124         * varasm.c (get_emutls_init_templ_addr, emutls_decl): Update call to
2125         make_decl_one_only.
2126         (make_decl_one_only): Change signature.
2127         (default_elf_asm_named_section): Use DECL_COMDAT_GROUP.
2128
2129 2009-06-15  Richard Guenther  <rguenther@suse.de>
2130
2131         PR middle-end/40439
2132         * tree.c (widest_int_cst_value): Fix bootstrap on 32bit HWI hosts.
2133
2134 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2135
2136         * tree-ssa-math-opts.c: Remove extra divide.
2137
2138 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2139
2140         * config/s390/s390.md ("bswap<mode>2"): Only available on z900.
2141
2142 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2143
2144         * passes.c: Add bswap pass.
2145         * tree-pass.h: Add pass_optimize_bswap declaration.
2146         * tree-ssa-math-opts.c: Include diagnostics.h for print_gimple_stmt.
2147         Include rtl.h, expr.h and optabs.h for optab_handler check.
2148         (struct symbolic_number, pass_optimize_bswap): New definition.
2149         (do_shift_rotate, verify_symbolic_number_p): New functions.
2150         (find_bswap_1, find_bswap, execute_optimize_bswap): New functions.
2151         (gate_optimize_bswap): New function.
2152         * tree.c (widest_int_cst_value): New function.
2153         * tree.h (widest_int_cst_value): Prototype added.
2154
2155 2009-06-14  Steven Bosscher  <steven@gcc.gnu.org>
2156
2157         * cfgcleanup.c (old_insns_match_p): Remove code to substitute
2158         REG_EQUAL/REG_EQUIV notes.
2159
2160 2009-06-14  Richard Guenther  <rguenther@suse.de>
2161
2162         PR middle-end/40389
2163         * gimple.c (walk_stmt_load_store_addr_ops): The LHS of a call
2164         has its address taken if NRV was applied and it is addressable.
2165         * tree-ssa-structalias.c (get_constraint_for_address_of): New
2166         function split out from ...
2167         (get_constraint_for_1): ... here.
2168         (handle_rhs_call): Use it to mark the return slot escaped if
2169         it is addressable and NRV was applied.
2170
2171 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
2172
2173         * config/rs6000/rs6000-protos.h (altivec_resolve_overloaded_builtin):
2174         Change first argument type to location_t.
2175         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Same.
2176         Do not set input_location.
2177         Use loc instead of input_location throughout.
2178
2179 2009-06-13  Richard Guenther  <rguenther@suse.de>
2180
2181         PR tree-optimization/40421
2182         * tree-predcom.c (should_unroll_loop_p): Remove.
2183         (tree_predictive_commoning_loop): Use can_unroll_loop_p.
2184
2185 2009-06-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
2186
2187         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2188         Add location argument.
2189
2190 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
2191
2192         * config/alpha/alpha.c (alpha_build_builtin_va_list): Pass location to
2193         build_decl.
2194         * config/s390/s390.c (s390_build_builtin_va_list): Same.
2195         (s390_gimplify_va_arg): Pass location to create_artificial_label.
2196         * config/spu/spu-protos.h: Add location to
2197         spu_resolve_overloaded_builtin.
2198         * config/spu/spu.c (spu_build_builtin_va_list): Pass location to
2199         spu_build_builtin_va_list.
2200         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Add location
2201         argument.  Pass location to build_function_call_vec.
2202         * config/sh/sh.c (sh_build_builtin_va_list): Pass location to
2203         build_decl.
2204         (emit_fpu_switch): Same.
2205         (sh_gimplify_va_arg_expr): Pass location to create_artificial_label.
2206         * config/xtensa/xtensa.c (xtensa_build_builtin_va_list): Pass location
2207         to build_decl and create_artificial_label.
2208         (xtensa_gimplify_va_arg_expr): Same.
2209         * config/stormy16/stormy16.c (xstormy16_build_builtin_va_list): Same.
2210         (xstormy16_gimplify_va_arg_expr): Same.
2211         * config/iq2000/iq2000.c (iq2000_expand_prologue): Same.
2212         * config/arm/arm.c (arm_build_builtin_va_list): Same.
2213         * config/mips/mips.c (mips_build_builtin_va_list): Same.
2214         (mips16_build_function_stub): Same.
2215         (mips16_build_call_stub): Same.
2216
2217 2009-06-13  Richard Earnshaw  <rearnsha@arm.com>
2218
2219         PR target/40327
2220         * arm/constraints.md (Pa, Pb): New constraints.
2221         * arm/arm.md (thumb1_addsi3): Support more complex additions.  Add a 
2222         split pattern to deal with them.
2223
2224 2009-06-13  Joerg Sonnenberger  <joerg@britannica.bec.de>
2225
2226         * doc/invoke.texi: Add missing option -Wp,OPTION in list,
2227         fix index entry for -Xpreprocessor.
2228
2229 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
2230
2231         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2232         Add location argument to build_decl call.
2233         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Same.
2234         (rs6000_init_builtins): Same.
2235         (spe_init_builtins): Same.
2236         (rs6000_gimplify_va_arg): Add location argument to
2237         create_artificial_label call.
2238
2239 2009-06-12  Steven Bosscher  <steven@gcc.gnu.org>
2240
2241         * timevar.def (TV_COMBINE_STACK_ADJUST): New timevar.
2242         * combine-stack-adj.c (pass_stack_adjustments): Use it.
2243         * Makefile.in: Fix GGC dependency for gcse.o.
2244
2245 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
2246
2247         * tree-pretty-print.c (dump_generic_node): Dump column numbers.
2248         * gimple-pretty-print.c (dump_gimple_stmt): Same.
2249         * gimplify.c (gimplify_modify_expr): Set location for GIMPLE_ASSIGNs
2250         created.
2251         * c-parser.c (c_parser_binary_expression): Use current column while
2252         building binary operations.
2253         * common.opt (fshow-column): Enable by default.
2254         * tree-vrp.c (check_array_ref): Use warning_at.
2255         (check_array_bounds): Use location from call back if expr has no
2256         location.
2257         * tree.h: Add location argument to maybe_fold_*.
2258         * tree-ssa-ccp.c (ccp_fold): Pass location to maybe_fold_*.
2259         (maybe_fold_offset_to_array_ref): Add location argument and use it.
2260         (maybe_fold_offset_to_component_ref): Same.
2261         (maybe_fold_offset_to_reference): Same.
2262         (maybe_fold_offset_to_address): Same.
2263         (maybe_fold_stmt_indirect): Same.
2264         (maybe_fold_stmt_addition): Same.
2265         (fold_stmt_r): Pass location to maybe_fold_*.
2266         (fold_gimple_assign): Same.
2267         * c-tree.h: Add location argument to finish_decl,
2268         default_function_array_conversion, store_init_value.
2269         * c-decl.c (define_label): Use error_at.
2270         (c_make_fname_decl): Pass location to finish_decl.
2271         (finish_decl): New location argument.
2272         (build_compound_literal): Pass location to store_init_value.
2273         (grokdeclarator): Pass location to finish_decl.
2274         (grokfield): Same.
2275         * c-typeck.c (array_to_pointer_conversion): New location argument.
2276         (function_to_pointer_conversion): Same.
2277         (default_function_array_conversion): Same.
2278         (parser_build_unary_op): Pass location to overflow_warning.
2279         (parser_build_binary_op): Same.  Use warning_at.
2280         (build_unary_op): Pass location to array_to_pointer_conversion.
2281         (build_c_cast): Pass location to digest_init.
2282         (build_modify_expr): New location argument.
2283         (convert_for_assignment): Same.
2284         (store_init_value): Same.
2285         (digest_init): Same.
2286         (output_init_element): Pass location to digest_init and
2287         array_to_pointer_conversion.
2288         (c_finish_return): Pass location to convert_for_assignment.
2289         * gimplify.c (gimplify_conversion): Pass location to
2290         maybe_fold_offset_to_address.
2291         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Pass location
2292         to maybe_fold_stmt_addition.
2293         * c-omp.c (c_finish_omp_atomic): Pass new location to
2294         build_modify_expr.
2295         (c_finish_omp_for): Same.
2296         * c-common.c (overflow_warning): New argument.
2297         * c-common.h: New argument to build_modify_expr, overflow_warning.
2298         * c-parser.c (c_parser_declaration_or_fndef): Pass location to
2299         finish_decl.
2300         (c_parser_initializer): Pass location to
2301         default_function_array_conversion.
2302         (c_parser_initelt): Same.
2303         (c_parser_initval): Same.
2304         (c_parser_asm_operands): Same.
2305         (c_parser_expr_no_commas): Same.  Pass location to build_modify_expr.
2306         (c_parser_conditional_expression): Same.
2307         (c_parser_binary_expression): Add location info to stack.  Use it.
2308         (c_parser_unary_expression): Pass location to
2309         default_function_array_conversion, parser_build_unary_op,
2310         build_indirect_ref, c_parser_postfix_expression_after_primary.
2311         (c_parser_postfix_expression_after_primary): New location argument.
2312         Use it.
2313         (c_parser_expression_conv): Pass location to
2314         default_function_array_conversion.
2315         (c_parser_expr_list): Same.
2316         (c_parser_omp_atomic): Same.
2317         (c_parser_omp_for_loop): Same.
2318         * c-tree.h: (struct c_declarator): Add comment to id_loc.
2319         (build_array_declarator): New argument.
2320         * c-decl.c (build_array_declarator): Add location argument.
2321         (grokdeclarator): Set id_loc for cdk_array.
2322         * c-parser.c (c_parser_direct_declarator_inner): Pass location to
2323         build_array_declarator.
2324         * tree.c (build_omp_clause): Add location argument.
2325         * tree.h (OMP_CLAUSE_HAS_LOCATION): New macro.
2326         (OMP_CLAUSE_LOCATION): New macro.
2327         (struct tree_omp_clause): Add location field.
2328         (build_omp_clause): Add argument.
2329         * testsuite/gcc.dg/gomp/for-1.c: Fix column.
2330         * cp/pt.c (tsubst_omp_for_iterator): Pass location to
2331         build_omp_clause.
2332         * cp/parser.c (cp_parser_omp_var_list_no_open): Same.
2333         (cp_parser_omp_clause_collapse): Same.
2334         (cp_parser_omp_clause_default): Same.
2335         (cp_parser_omp_clause_if): Same.
2336         (cp_parser_omp_clause_nowait): Same.
2337         (cp_parser_omp_clause_num_threads): Same.
2338         (cp_parser_omp_clause_ordered): Same.
2339         (cp_parser_omp_clause_schedule): Same.
2340         (cp_parser_omp_clause_untied): Same.
2341         (cp_parser_omp_for_loop): Same.
2342         (cp_parser_omp_parallel): Pass location to c_split_parallel_clauses.
2343         * c-tree.h (c_start_case): Add location argument.
2344         (c_process_expr_stmt): Same.
2345         (c_finish_goto_*): Same.
2346         * tree-parloops.c (initialize_reductions): Pass location to
2347         build_omp_clause.
2348         (create_parallel_loop): Same.
2349         * fortran/trans-openmp.c (gfc_trans_omp_variable_list): Same.
2350         (gfc_trans_omp_reduction_list): Same.
2351         (gfc_trans_omp_clauses): Same.
2352         (gfc_trans_omp_do): Same.
2353         * c-typeck.c (c_finish_goto_label): Same.
2354         (c_finish_goto_ptr): New location argument.
2355         (c_start_case): Same.
2356         (emit_side_effect_warnings): Same.
2357         (c_process_expr_stmt): Same.
2358         (c_finish_stmt_expr): Same.
2359         (c_finish_omp_clauses): Use error_at instead of error.
2360         * gimplify.c (gimplify_adjust_omp_clauses_1): Pass location to
2361         build_omp_clause.
2362         * c-omp.c (c_split_parallel_clauses): New location argument.
2363         * tree-nested.c (convert_nonlocal_reference_stmt): Pass location
2364         to build_omp_clause.
2365         (convert_local_reference_stmt): Same.
2366         (convert_gimple_call): Same.
2367         * c-common.h (c_split_parallel_clauses): New argument.
2368         * c-parser.c (c_parser_statement_after_labels): Pass location to
2369         c_finish_goto_label.
2370         (c_parser_switch_statement): Pass location to c_start_case.
2371         (c_parser_for_statement): Pass location to c_finish_expr_stmt,
2372         and c_process_expr_stmt.
2373         (c_parser_omp_variable_list): Add location argument.
2374         (c_parser_omp_clause_collapse): Pass location to build_omp_clause.
2375         (c_parser_omp_clause_default): Same.
2376         (c_parser_omp_clause_if): Same.
2377         (c_parser_omp_clause_num_threads): Same.
2378         (-c_parser_omp_clause_ordered): Same.
2379         (c_parser_omp_clause_reduction): Pass location to
2380         c_parser_omp_variable_list.
2381         (c_parser_omp_clause_schedule): Pass location to build_omp_clause.
2382         (c_parser_omp_clause_untied): Same.
2383         (c_parser_omp_for_loop): Pass location to c_process_expr_stmt.
2384         (c_parser_omp_parallel): Pass location to c_split_parallel_clauses.
2385
2386         * c-tree.h (check_for_loop_decls, undeclared_variable,
2387         build_component_ref, build_array_ref, build_external_ref,
2388         c_expr_sizeof_expr, c_expr_sizeof_type, parser_build_unary_op,
2389         build_conditional_expr, build_compound_expr, c_cast_expr,
2390         build_c_cast, build_asm_expr, c_end_compound_stmt, c_finish_stmt_expr,
2391         c_finish_return, c_finish_omp_parallel, c_finish_omp_task): New
2392         argument.
2393         * c-semantics.c (build_stmt): Same.
2394         (build_case_label): Same.
2395         * c-decl.c (c_finish_incomplete_decl): Pass location on down.
2396         (undeclared_variable): New argument.
2397         (make_label): Same.
2398         (lookup_label): Pass location on down.
2399         (define_label): Same.
2400         (finish_decl): Same.
2401         (build_compound_literal): Same.
2402         (finish_struct): Same.
2403         (finish_function): Do not set location here.
2404         (check_for_loop_decls): New argument.
2405         * tree.c (save_expr): Set location.
2406         (build_empty_stmt): New argument.
2407         * tree.h (build_empty_stmt): New argument to build_empty_stmt.
2408         (CAN_HAVE_LOCATION_P): Make sure we have a non empty node.
2409         * builtins.c (gimplify_va_arg_expr): Use locations.
2410         (expand_builtin_sync_operation): Same.
2411         * c-typeck.c (build_component_ref): New argument.
2412         (build_array_ref): Same.
2413         (build_external_ref): Same.
2414         (c_expr_sizeof_expr): Same.
2415         (c_expr_sizeof_type): Same.
2416         (parser_build_unary_op): Same.
2417         (build_conditional_expr): Same.
2418         (build_compound_expr): Pass location on down.
2419         (build_compound_expr): New argument.
2420         (build_c_cast): Same.
2421         (c_cast_expr): Same.
2422         (build_asm_expr): Same.
2423         (c_finish_return): Same.
2424         (c_process_expr_stmt): Pass location on down.
2425         (c_finish_stmt_expr): New argument.
2426         (push_clenaup): Same.
2427         (c_finish_omp_parallel): Same.
2428         (c_finish_omp_task): Same.
2429         * gimplify.c (gimplify_call_expr): Pass location on down.
2430         * c-omp.c (c_finish_omp_master): New argument.
2431         (c_finish_omp_critical): Same.
2432         (c_finish_omp_ordered): Same.
2433         (c_finish_omp_barrier): Same.
2434         (-c_finish_omp_taskwait): Same.
2435         (c_finish_omp_atomic): Same.
2436         (c_finish_omp_flush): Same.
2437         * tree-inline.c (copy_tree_body_r): Pass location on down.
2438         (inline_forbidden_p): Remove use of input_location.
2439         * c-gimplify.c (c_build_bind_expr): New argument.
2440         * c-common.c (c_common_truthvalue_conversion): Pass location on down.
2441         (c_sizeof_or_alignof_type): New argument.
2442         (c_alignof_expr): Same.
2443         (build_va_arg): Same.
2444         (c_add_case_label): Same.
2445         * c-common.h (c_sizeof_or_alignof_type, c_alignof_expr,
2446         c_sizeof, c_alignof, build_va_arg, build_stmt, build_case_label,
2447         c_build_bind_expr, objc_build_selector_expr, objc_build_throw_stmt,
2448         c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered,
2449         c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush,
2450         c_finish_omp_taskwait, c_finish_omp_for, c_split_parallel_clauses):
2451         New argument.
2452         * stub-objc.c (objc_build_selector_expr): Same.
2453         (objc_build_throw_stmt): Same.
2454         * c-parser.c (c_parser_declaration_or_fndef): Pass location on down.
2455         (c_parser_initelt): Same.
2456         (c_parser_compound_statement): Same.
2457         (c_parser_compound_statement_nostart): Same.
2458         (c_parser_label): Same.
2459         (c_parser_statement_after_labels): Same.
2460         (c_parser_if_body): Same.
2461         (c_parser_else_body): Same.
2462         (c_parser_if_statement): Same.
2463         (c_parser_switch_statement): Same.
2464         (c_parser_while_statement): Same.
2465         (c_parser_do_statement): Same.
2466         (c_parser_for_statement): Same.
2467         (c_parser_asm_statement): Same.
2468         (c_parser_conditional_expression): Same.
2469         (c_parser_binary_expression): Same.
2470         (c_parser_cast_expression): Same.
2471         (c_parser_unary_expression): Same.
2472         (c_parser_sizeof_expression): Same.
2473         (c_parser_alignof_expression): Same.
2474         (c_parser_postfix_expression): Same.
2475         (c_parser_expression): Same.
2476         (c_parser_objc_receiver): Same.
2477         (c_parser_omp_variable_list): Same.
2478         (c_parser_omp_structured_block): Same.
2479         (c_parser_omp_atomic): New argument.
2480         (c_parser_omp_barrier): Same.
2481         (c_parser_omp_critical): Same.
2482         (c_parser_omp_flush): Pass location on down.
2483         (c_parser_omp_for_loop): New argument.
2484         (c_parser_omp_for): Same.
2485         (c_parser_omp_master): Same.
2486         (c_parser_omp_ordered): Same.
2487         (c_parser_omp_sections_scope): Same.
2488         (c_parser_omp_sections): Same.
2489         (c_parser_omp_parallel): Same.
2490         (c_parser_omp_single): Same.
2491         (c_parser_omp_task): Same.
2492         (c_parser_omp_taskwait): Pass location on down.
2493         (c_parser_omp_construct): Same.
2494         (c_parser_omp_threadprivate): Same.
2495         * dwarf2asm.c, targhooks.c, optabs.c, tree.c, tree.h, target.h,
2496         builtins.c, omp-low.c, cgraphunit.c, tree-call-cdce.c,
2497         tree-ssa-alias.c, gimple-low.c, c-tree.h, expr.c, tree-parloops.c,
2498         c-decl.c, tree-eh.c, langhooks.c, function.c, stor-layout.c,
2499         c-typeck.c, gimplify.c, c-pragma.c, expmed.c, except.c, coverage.c,
2500         emit-rtl.c, cfgexpand.c, tree-mudflap.c, varasm.c, tree-nested.c,
2501         rtl.h, tree-inline.c, tree-profile.c, c-common.c, c-common.h,
2502         tree-switch-conversion.c, tree-cfg.c, ipa-struct-reorg.c, c-parser.c,
2503         config/i386/i386.c, stmt.c:
2504         Add location argument to the following function definitions and/or
2505         function calls: build_decl, objcp_start_struct, objcp_finish_struct,
2506         start_struct, finish_struct, PUSH_FIELD, create_artificial_label,
2507         cp_make_fname_decl, pushtag, implicitly_declare, c_make_fname_decl,
2508         build_compound_literal, parser_xref_tag, resolve_overloaded_builtin,
2509         do_case, c_finish_bc_stmt, build_compound_literal,
2510         build_function_call.
2511         * c-decl.c (build_compound_literal): Add location argument.
2512         Make all diagnostic calls use location.
2513         (start_struct): Same.
2514         (finish_struct): Same.
2515         (start_enum): Same.
2516         (build_enumerator): Same.
2517         (start_function): Same.
2518         (grokdeclarator): Make all diagnostic calls use location.
2519         (store_parm_decls_oldstyle): Same.
2520         * c-typeck.c (build_function_call): Add location argument.
2521         Make all diagnostic calls use location.
2522         (do_case): Same.
2523         (c_finish_bc_stmt): Same.
2524         * tree-nested.c (get_trampoline_type): Add argument.
2525         Pass location to build_decl.
2526         (lookup_tramp_for_decl): Pass location to get_trampoline_type.
2527         * rtl.h (RTL_LOCATION): New.
2528         * c-common.c (c_add_case_label): Add location argument.
2529         Make all diagnostic calls use location.
2530         * c-common.h: Add location argument to make_fname_decl, do_case,
2531         c_add_case_label, build_function_call, resolve_overloaded_builtin.
2532         * c-parser.c (c_parser_enum_specifier): Rename ident_loc to enum_loc.
2533         Set it appropriately for every case.  Pass enum_loc to start_enum
2534         call.  Pass value_loc first to build_enumerator.  Pass enum_loc to
2535         parser_xref_tag.
2536         (c_parser_struct_or_union_specifier): Save location.  Use it for
2537         start_struct, finish_struct, and parser_xref_tag.
2538
2539 2009-06-12  Ian Lance Taylor  <iant@google.com>
2540
2541         * fold-const.c (fold_unary): Rename local variable and to and_expr.
2542
2543         * c-opts.c (c_common_handle_option): For -Wc++-compat set
2544         cpp_opts->warn_cxx_operator_names.
2545
2546 2009-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2547
2548         PR tree-opt/38865
2549         * tree-ssa-sccvn.c (visit_reference_op_load): If vn_reference_lookup
2550         is returns NULL and OP is a VCE, look through the VCE.
2551
2552 2009-06-12  Ian Lance Taylor  <iant@google.com>
2553
2554         PR bootstrap/40430
2555         * collect2.c (main): Use CONST_CAST2 in code inside #if
2556         LINK_ELIMINATE_DUPLICATE_LDIRECTORIES.
2557
2558 2009-06-12  Joey Ye  <joey.ye@intel.com>
2559
2560         PR middle-end/39146
2561         * cfgexpand.c (get_decl_align_unit): Update
2562         max_used_stack_slot_alignment with align instead of
2563         stack_alignment_needed.
2564
2565         * function.c (assign_stack_local_1): Update
2566         max_used_stack_slot_alignment with alignment_in_bits instead
2567         of stack_alignment_needed.
2568         (locate_and_pad_parm): Don't update max_used_stack_slot_alignment
2569         here.
2570
2571 2009-06-12  Jakub Jelinek  <jakub@redhat.com>
2572
2573         * dwarf2out.c (last_var_location_insn): New variable.
2574         (dwarf2out_end_epilogue): Clear last_var_location_insn.
2575         (dwarf2out_var_location): Don't record anything after last real
2576         insn.  Only change labels if there were any real instructions
2577         in between last note and this one, or if changed sections.
2578
2579 2009-06-11  Richard Henderson  <rth@redhat.com>
2580
2581         * alpha.c (alpha_expand_prologue): Add a REF_CFA_REGISTER
2582         note when storing the frame pointer in a register.
2583         (FRP): Don't redefine to nothing for epilogue.
2584         (alpha_expand_epilogue): Mark register and sp restores.
2585         (unicosmk_gen_dsib): Don't mark weird frame pointer adjust.
2586
2587         * config/alpha/alpha.c (alpha_emit_setcc): Fix test for
2588         when gen_lowpart is needed.
2589
2590 2009-06-11  Richard Henderson  <rth@redhat.com>
2591
2592         * dwarf2out.c (def_cfa_1): Likewise for DW_CFA_cfa_offset.
2593
2594         * dwarf2out.c (need_data_align_sf_opcode): New.
2595         (div_data_align): Move earlier.
2596         (def_cfa_1, reg_save): Use it.
2597
2598 2009-06-11  H.J. Lu  <hongjiu.lu@intel.com>
2599
2600         * config/i386/i386.c (OPTION_MASK_ISA_CRC32_SET): New.
2601         (OPTION_MASK_ISA_CRC32_UNSET): Likewise.
2602         (ix86_handle_option): Handle OPT_mcrc32.
2603         (ix86_target_string): Add -mcrc32.
2604         (bdesc_args): Enable crc32 builtins with OPTION_MASK_ISA_CRC32.
2605
2606         * config/i386/i386.h (TARGET_CRC32): New.
2607
2608         * config/i386/i386.md (sse4_2_crc32<mode>): Also check TARGET_CRC32.
2609         (sse4_2_crc32di): Likewise.
2610
2611         * config/i386/i386.opt (mcrc32): New.
2612
2613         * doc/invoke.texi: Document -mcrc32.
2614
2615 2009-06-11  Richard Henderson  <rth@redhat.com>
2616
2617         * common.opt (gdwarf-): Accept a version number.
2618         * doc/invoke.texi (gdwarf-): Update docs.
2619         * opth-gen.awk: Special case -gdwarf+ to OPT_gdwarfplus.
2620         * opts.c (common_handle_option) [OPT_gdwarf_]: Verify dwarf
2621         version level, and record it.
2622
2623         * dwarf2.h (DW_CIE_VERSION): Remove.
2624         * dwarf2out.c (DWARF_VERSION): Remove.
2625         (add_fde_cfi): Skip DW_CFA_set_loc addition for dwarf3.
2626         (output_call_frame_info): Use CIE version 3 for dwarf3,
2627         or if the return register column is out of range for version 1.
2628         (dwarf_stack_op_name): Add all dwarf3 values.
2629         (DEBUG_PUBTYPES_SECTION): New.
2630         (size_of_die) [dw_val_class_die_ref]: Handle DW_FORM_ref_addr
2631         encoding change for dwarf3.
2632         (output_die) [dw_val_class_die_ref]: Likewise.
2633         (output_compilation_unit_header): Emit correct version for dwarf3.
2634         (output_line_info): Likewise.
2635         (output_pubnames): Update for DWARF_VERSION removal.
2636         (output_aranges): Likewise.
2637         (gen_subprogram_die): Emit DW_OP_call_frame_cfa if emitting dwarf3.
2638         (dwarf2out_init): Don't ifdef DEBUG_PUBTYPES_SECTION.
2639         (dwarf2out_finish): Likewise.
2640
2641 2009-06-11  David Daney  <ddaney@caviumnetworks.com>
2642
2643         * system.h (gcc_assert, gcc_unreachable): Revert accidental commit
2644         in r148403.
2645
2646 2009-06-11  David Daney  <ddaney@caviumnetworks.com>
2647
2648         PR c/39252
2649         * doc/extend.texi ( __builtin_unreachable): Document new builtin.
2650         * builtins.c (expand_builtin_unreachable): New function.
2651         (expand_builtin): Handle BUILT_IN_UNREACHABLE case.
2652         * builtins.def (BUILT_IN_UNREACHABLE): Add new builtin.
2653         * cfgcleanup.c (try_optimize_cfg): Delete empty blocks with no
2654         successors.
2655         * cfgrtl.c (rtl_verify_flow_info): Handle empty blocks when
2656         searching for missing barriers.
2657
2658 2009-06-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
2659
2660         * config/darwin.h (LINK_COMMAND_SPEC): Adjust spec to link libcov
2661         when -fprofile-generate* was passed.
2662         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
2663
2664 2009-06-11  Anthony Green  <green@moxielogic.com>
2665
2666         * config/moxie/moxie.md: Define length attribute for all instructions.
2667         (rCC): Define.
2668         (*b<cond:code>): Support limited branch ranges for new PC-relative
2669         branch instructions.
2670         * config/moxie/moxie.h (HAS_LONG_UNCOND_BRANCH): Define.
2671
2672 2009-06-11  Jakub Jelinek  <jakub@redhat.com>
2673
2674         * config/i386/i386.c (min_insn_size): Use get_attr_length
2675         for normal insns other than TYPE_MULTI, TYPE_OTHER and TYPE_FCMP.
2676         For __asm return 0.
2677
2678         * config/i386/i386.c (ix86_pad_returns): Use emit_jump_insn_before
2679         instead of emit_insn_before.
2680
2681 2009-06-10  Ian Lance Taylor  <iant@google.com>
2682
2683         PR bootstrap/40408
2684         * graphite.c (add_conditions_to_domain): Change SWITCH_EXPR to
2685         GIMPLE_SWITCH.
2686
2687 2009-06-10  Revital Eres  <eres@il.ibm.com>
2688
2689         * passes.c (init_optimization_passes): Reschedule
2690         predictive-commoning pass before complete unroll pass.
2691
2692 2009-06-10  Martin Jambor  <mjambor@suse.cz>
2693
2694         * cgraph.c (cgraph_node_can_be_local_p): New function.
2695         (cgraph_make_node_local): New function.
2696         * cgraph.h (cgraph_node_can_be_local_p): Declare.
2697         (cgraph_make_node_local): Declare.
2698
2699 2009-06-10  Nathan Froyd  <froydnj@codesourcery.com>
2700
2701         * tree.h (tree_base): Add packed_flag and user_align fields.
2702         Decrease size of spare field.
2703         (TYPE_USER_ALIGN): Use user_align from tree_base.
2704         (DECL_USER_ALIGN): Likewise.
2705         (TYPE_PACKED): Use packed_flag from tree_base.
2706         (DECL_PACKED): Likewise.
2707         (tree_type): Delete packed_flag and user_align fields.  Widen
2708         precision field.  Widen mode field and shuffle fields to align
2709         mode on an 8-bit boundary.
2710         (tree_decl_common): Delete decl_flag_1 and user_align fields.
2711         Renumber decl_flag_* fields.  Fix comments.  Widen
2712         decl_common_unused field.
2713         (DECL_HAS_VALUE_EXPR_P): Adjust for renumbering of decl_flag_* fields.
2714         (DECL_EXTERNAL): Likewise.
2715         (DECL_BIT_FIELD): Likewise.
2716         (DECL_NONADDRESSABLE_P): Likewise.
2717         (TYPE_DECL_SUPRESS_DEBUG): Likewise.
2718         * config/arm/arm-modes.def (XImode): Make it an INT_MODE.
2719
2720 2009-06-10  Ian Lance Taylor  <iant@google.com>
2721
2722         * vec.h (DEF_VEC_ALLOC_I): Use DEF_VEC_NONALLOC_FUNCS_I.
2723         (DEF_VEC_ALLOC_P): Use DEF_VEC_NONALLOC_FUNCS_P.
2724         (DEF_VEC_ALLOC_O): Use DEF_VEC_NONALLOC_FUNCS_O.
2725         (DEF_VEC_ALLOC_FUNC_P): Only define VEC_OP (T,A,alloc).
2726         (DEF_VEC_NONALLOC_FUNCS_P): New macro, broken out of old
2727         DEF_VEC_ALLOC_FUNC_P.
2728         (DEF_VEC_ALLOC_FUNC_O): Only define VEC_OP (T,A,alloc).
2729         (DEF_VEC_NONALLOC_FUNCS_O): New macro, broken out of old
2730         DEF_VEC_ALLOC_FUNC_O.
2731         (DEF_VEC_ALLOC_FUNC_I): Only define VEC_OP (T,A,alloc).
2732         (DEF_VEC_NONALLOC_FUNCS_I): New macro, broken out of old
2733         DEF_VEC_ALLOC_FUNC_I.
2734         (vec_stack_p_reserve, vec_stack_p_reserve_exact): Declare.
2735         (vec_stack_p_reserve_exact_1): Declare.
2736         (vec_stack_o_reserve, vec_stack_o_reserve_exact): Declare.
2737         (vec_stack_free): Declare.
2738         (VEC_stack_alloc): Define.
2739         (DEF_VEC_ALLOC_P_STACK, DEF_VEC_ALLOC_FUNC_P_STACK): Define.
2740         (DEF_VEC_ALLOC_O_STACK, DEF_VEC_ALLOC_FUNC_O_STACK): Define.
2741         (DEF_VEC_ALLOC_I_STACK, DEF_VEC_ALLOC_FUNC_I_STACK): Define.
2742         * vec.c (void_p): New type.  Call DEF_VEC_P and DEF_VEC_ALLOC_P
2743         for void_p.
2744         (stack_vecs): New static variable.
2745         (vec_stack_p_reserve_exact_1): New function.
2746         (vec_stack_o_reserve_1): New static function.
2747         (vec_stack_p_reserve, vec_stack_p_reserve_exact): New functions.
2748         (vec_stack_o_reserve, vec_stack_o_reserve_exact): New functions.
2749         (vec_stack_free): New function.
2750         * df-scan.c (df_ref): Use DEF_VEC_P and DEF_VEC_ALLOC_P_STACK.
2751         (VEC_df_ref_stack_alloc): Define.
2752         (df_mw_hardreg_ptr): New type.  Use DEF_VEC_P and
2753         DEF_VEC_ALLOC_P_STACK.
2754         (VEC_df_mw_hardreg_ptr_stack_alloc): Define.
2755         (struct df_collection_rec): Change _vec fields to VEC.  Remove
2756         _use fields.
2757         (df_free_collection_rec): Adjust for new fields.
2758         (df_insn_rescan): Use new df_collection_rec fields.
2759         (df_notes_rescan, df_canonize_collection_rec): Likewise.
2760         (df_ref_create_structure, df_ref_record): Likewise.
2761         (df_get_conditional_uses, df_get_call_refs): Likewise.
2762         (df_insn_refs_collect, df_bb_refs_collect): Likewise.
2763         (df_bb_refs_record, df_record_entry_block_defs): Likewise.
2764         (df_record_exit_block_uses, df_bb_verify): Likewise.
2765         (df_swap_refs): Change ref_vec parameter to VEC.  Change all callers.
2766         (df_sort_and_compress_refs): Change ref_vec parameter to VEC.
2767         Remove count parameter.  Change return type to void.  Change all
2768         callers.
2769         (df_sort_and_compress_mws): Change mw_vec parameter to VEC.
2770         Remove count parameter.  Change return type to void.  Change all
2771         callers.
2772         (df_install_refs): Change old_vec parameter to VEC.  Remove count
2773         parameter.  Change all callers.
2774         (df_install_mws): Change old_vec parameter to VEC.  Remove count
2775         parameter.  Change all callers.
2776         (df_refs_verify): Change new_rec parameter to VEC.  Change call
2777         callers.
2778         (df_mws_verify): Likewise.
2779
2780 2009-06-10  Alexandre Oliva  <aoliva@redhat.com>
2781
2782         * gcc.c (compare_files): Cast munmap argumento to caddr_t.
2783
2784 2009-06-10  H.J. Lu  <hongjiu.lu@intel.com>
2785
2786         * doc/extend.texi: Add description for __builtin_ia32_crc32di.
2787
2788 2009-06-10  Anthony Green  <green@moxielogic.com>
2789
2790         * config/moxie/crti.asm: New file.
2791         * config/moxie/crtn.asm: New file.
2792         * config/moxie/moxie.c: New file.
2793         * config/moxie/moxie.h: New file.
2794         * config/moxie/sfp-machine.h: New file.
2795         * config/moxie/moxie-protos.h: New file.
2796         * config/moxie/t-moxie: Created.
2797         * config/moxie/t-moxie-softfp: Created.
2798         * config/moxie/moxie.md: Created.
2799         * config/moxie/constraints.md: Created.
2800         * config.gcc: Add moxie support.
2801         * doc/md.texi (Machine Constraints): Add moxie constraints.
2802         * doc/contrib.texi (Contributors): Mention moxie port.
2803         * doc/install.texi (Specific): Mention the moxie port.
2804
2805 2009-06-09  Ian Lance Taylor  <iant@google.com>
2806
2807         * system.h (HAVE_DESIGNATED_INITIALIZERS): Don't define if
2808         compiling with C++.
2809         * optabs.c (optab_table): Only use designated initializers if
2810         HAVE_DESIGNATED_INITIALIZERS is defined.
2811         (convert_optab_table): Likewise.
2812         (init_optabs): Always call init_insn_codes if
2813         HAVE_DESIGNATED_INITIALIZERS is not defined.
2814
2815 2009-06-09  Ian Lance Taylor  <iant@google.com>
2816
2817         * targhooks.c (default_builtin_vectorized_function): Change fn
2818         parameter to unsigned int.
2819         (default_builtin_vectorized_conversion): Change code parameter to
2820         unsigned int.
2821         (default_builtin_reciprocal): Change fn parameter to unsigned int.
2822         * targhooks.h: Update declarations.
2823         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Change code
2824         parameter to unsigned int.
2825
2826         * c-typeck.c (comptypes_check_enum_int): New static function.
2827         (comptypes_internal): Add enum_and_int_p parameter.  Change all
2828         callers.
2829         (comp_target_types): Add location parameter.  Change all callers.
2830         (tagged_types_tu_compatible_p): Add enum_and_int_p parameter.
2831         Change all callers.
2832         (function_types_compatible_p, type_lists_compatible_p): Likewise.
2833         (build_conditional_expr): Add colon_loc parameter.  Change all
2834         callers.
2835         (convert_for_assignment): Add location parameter.  Change all callers.
2836         * c-parser.c (c_parser_conditional_expression): Pass location of
2837         colon to build_conditional_expr.
2838         * c-tree.h (build_conditional_expr): Update declaration.
2839
2840 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
2841
2842         * graphite.c: Revert previous patch.
2843
2844 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
2845
2846         PR bootstrap/40103
2847         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
2848
2849 2009-06-09  Ghassan Shobaki  <ghassan.shobaki@amd.com>
2850
2851         * tree-ssa-loop-prefetch.c
2852         (loop_prefetch_arrays): Fixed a portability problem in printf format
2853         string.
2854
2855 2009-06-09  Martin Jambor  <mjambor@suse.cz>
2856
2857         PR tree-optimization/40351
2858         * tree-sra.c (propagate_subacesses_accross_link): Check that a
2859         refrence to a potential artifical subaccess can be constructed.
2860
2861 2009-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>
2862
2863         * config/sh/sh-protos.h (sh_optimization_options): Declare.
2864         (sh_override_options): Likewise.
2865         * config/sh/sh.c: Include params.h.
2866         (sh_optimization_options): New.
2867         (sh_override_options): Likewise.
2868         * config/sh/sh.c (OPTIMIZATION_OPTIONS): Use sh_optimization_options.
2869         (OVERRIDE_OPTIONS): Use sh_override_options.
2870
2871 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
2872
2873         * dwarf2out.c (emit_cfa_remember): New variable.
2874         (add_fde_cfi): If emit_cfa_remember, recurse to add
2875         DW_CFA_remember_state first.
2876         (dwarf2out_begin_epilogue): Don't add_fde_cfi DW_CFA_remember_state,
2877         instead just set emit_cfa_remember.
2878
2879 2009-06-08  Jan Hubicka  <jh@suse.cz>
2880
2881         PR debug/40126
2882         * dwarf2out.c (dwarf2out_abstract_function): Free decl_loc_table.
2883
2884 2009-06-08  Jan Hubicka  <jh@suse.cz>
2885
2886         PR middle-end/39834
2887         * cgraphunit.c (save_inline_function_body): Do not copy transform
2888         hooks for saved inline bodies.
2889         * ipa-passes.c (do_per_function): Do not add the hoks multiple times
2890         for given function.
2891
2892 2009-06-08  Adam Nemet  <anemet@caviumnetworks.com>
2893
2894         * jump.c (returnjump_p): Handle delayed branches.  Add missing
2895         function comment.
2896
2897 2009-06-08  Jan Hubicka  <jh@suse.cz>
2898
2899         PR middle-end/40102
2900         * cgraph.c (cgraph_create_edge_including_clones): Also asume that the
2901         original node might've been modified.
2902         * tree-inline.c (copy_bb): Do not assume that all clones are the same.
2903
2904 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
2905
2906         * tree-object-size.c (addr_object_size): Add OSI argument.
2907         Handle also INDIRECT_REF with SSA_NAME inside of it as base address.
2908         (compute_builtin_object_size, expr_object_size): Adjust callers.
2909         (plus_stmt_object_size): Call addr_object_size instead of
2910         compute_builtin_object_size.
2911
2912 2009-06-08  Ghassan Shobaki  <ghassan.shobaki@amd.com>
2913             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2914         
2915         * tree-ssa-loop-prefetch.c 
2916         (gather_memory_references): Introduced a counter for the number of 
2917         memory references.
2918         (anything_to_prefetch_p): Introduced a counter for the number of 
2919         prefetches.
2920         (is_loop_prefetching_profitable): New function with a cost model 
2921         for prefetching.
2922         (loop_prefetch_arrays): Use the new cost model to determine if 
2923         prefetching is profitable.
2924         * params.def (MIN_INSN_TO_PREFETCH_RATIO, 
2925         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
2926         * params.h (MIN_INSN_TO_PREFETCH_RATIO, 
2927         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
2928         * doc/invoke.texi (MIN_INSN_TO_PREFETCH_RATIO, 
2929         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
2930         
2931 2009-06-08  Michael Matz  <matz@suse.de>
2932
2933         PR debug/40012
2934         * cfgexpand.c (set_rtl): Store place also in DECL_RTL, if all
2935         partitions use the same.
2936         (expand_one_var): Deal with DECL_RTL sometimes begin set also
2937         for basevars of SSA_NAMEs.
2938         (expand_used_vars): Reset TREE_USED for basevars of SSA_NAMEs,
2939         to not expand them twice.
2940         (gimple_expand_cfg): Clear DECL_RTL for those decls that have
2941         multiple places.
2942
2943 2009-06-08  Alexandre Oliva  <aoliva@redhat.com>
2944
2945         * common.opt (fcompare-debug=, fcompare-debug-second): New.
2946         (fdump-final-insns=, gtoggle): New.
2947         * doc/invoke.texi: Document them.
2948         * final.c (rest_of_clean_state): Dump final insn stream.
2949         * gcc.c (invoke_as): Hook in -fcompare-debug.
2950         (static_spec_functions): Add compare-debug-dump-opt,
2951         compare-debug-self-opt and compare-debug-auxbase-opt.
2952         (compare_debug, compare_debug_second, compare_debug_opt): New.
2953         (switches_debug_check, n_switches_debug_check): New.
2954         (debug_auxbase_opt, debug_check_temp_file): New.
2955         (process_command): Handle -fno-compare-debug, -fcompare-debug and
2956         -fcompare-debug=*.
2957         (do_self_spec): Handle arguments after switches.
2958         (do_spec_1): Add .gk extension to temp file basenames for compare.
2959         (check_live_switch): Take SWITCH_IGNORE into account, and earlier.
2960         (cc1_options): Use it instead of normal auxbase computation for
2961         the second compare-debug compilation.
2962         (compare_files): New.
2963         (main): Set up and implement compare debug mode.
2964         (compare_debug_dump_opt_spec_function): New.
2965         (compare_debug_self_opt_spec_function): New.
2966         (compare_debug_auxbase_opt_spec_function): New.
2967         * toplev.c (process_options): Handle flag_gtoggle,
2968         flag_dump_final_insns.
2969         * coverage.c (coverage_begin_output): Don't overwrite .gcno file
2970         during -fcompare-debug-second compilation.
2971
2972 2009-06-07  Ian Lance Taylor  <iant@google.com>
2973
2974         * dwarf2.h (enum dwarf_location_atom): Add INTERNAL_DW_OP_tls_addr.
2975         * dwarf2out.c (INTERNAL_DW_OP_tls_addr): Don't #define.
2976
2977         * c-common.c (c_do_switch_warnings): Don't exit early for -Wswitch
2978         with no default node.  Change warning with %H to warning_at.
2979         Don't clear warn_switch around case checking.
2980         * doc/invoke.texi (Warning Options): Clarify distinction between
2981         -Wswitch and -Wswitch-enum.
2982
2983 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2984
2985         * tree-pass.h (TODO_update_ssa_any): Document internal use only.
2986
2987 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2988
2989         * gbl-ctors.h: Add header guard.
2990
2991 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2992
2993         * tree-flow.h (make_value_handle, set_value_handle, sort_vuses,
2994         sort_vuses_heap, vn_lookup_or_add, vn_lookup_or_add_with_stmt,
2995         vn_lookup_or_add_with_vuses, vn_add, vn_add_with_vuses,
2996         vn_lookup_with_stmt, vn_lookup, vn_lookup_with_vuses): Remove
2997         prototypes for removed functions.
2998         (expressions_equal_p): Move to ...
2999         * tree-ssa-sccvn.h: ... here and ...
3000         * matrix-reorg.c: ... adjust includes.
3001
3002 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3003
3004         * ipa-struct-reorg.c (do_reorg_1): Fix whitespace in dump output.
3005
3006 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3007
3008         * c-decl.c (finish_decl): Use bool for variable was_incomplete.
3009         (finish_function): Remove erroneous whitespace.
3010
3011 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3012
3013         * tree-cfg.c (gimple_merge_blocks): Commentary typo fix.
3014         (verify_stmts): Print statement who's gimple_bb is set to a wrong BB
3015
3016 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3017
3018         * errors.c (internal_error): Commentary typo fix.
3019         * gimple-iterator.c (gsi_insert_seq_on_edge): Ditto.
3020         * tree-ssa-pre.c: Ditto.
3021
3022 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3023
3024         * basic-block.h (ENTRY_BLOCK, EXIT_BLOCK): Document that neither of
3025         them is supposed to hold actual statements.
3026
3027 2009-06-06  Ian Lance Taylor  <iant@google.com>
3028
3029         * doc/extend.texi (Attribute Syntax): Document that C++ labels on
3030         empty statements can now have attributes.
3031
3032 2009-06-05  Shujing Zhao  <pearly.zhao@oracle.com>
3033
3034         * config/mips/mips.c: Use REG_P and CONST_INT_P where applicable.
3035         * config/mips/mips.md: Ditto.
3036
3037 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
3038
3039         * config/rs6000/eabi.asm (__eabi_convert): Don't define if
3040         _RELOCATABLE.
3041         (__eabi_uconvert): Likewise.
3042
3043 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
3044
3045         * config/rs6000/ppc-asm.h: Protect auto-host.h inclusion and
3046         CFI_* definitions with IN_GCC.
3047
3048 2009-06-05  David Edelsohn  <edelsohn@gnu.org>
3049
3050         * xcoffout.h (xcoffout_source_line): Update prototype.
3051
3052 2009-06-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3053
3054         * builtins.c (do_mpc_ckconv, do_mpc_arg1): Use
3055         mpc_realref/mpc_imagref instead of MPC_RE/MPC_IM.
3056
3057 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
3058
3059         PR middle-end/40340
3060         * tree-ssa-live.c (remove_unused_scope_block_p): Don't prune
3061         inlined_function_outer_scope_p blocks for artificial inlines
3062         even at -g0/-g1.
3063         * tree.c (tree_nonartificial_location): Rewrite using
3064         block_nonartificial_location.
3065
3066 2009-06-05  Revital Eres  <eres@il.ibm.com>
3067             Leehod Baruch  <leehod@il.ibm.com>
3068
3069         * expr.c (expand_assignment): Expand MISALIGNED_INDIRECT_REF.
3070         (expand_expr_real_1): Remove comment.
3071         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
3072         Vectorize misaligned access when the target supports it.
3073         (vect_supportable_dr_alignment): Check for unaligned access support.
3074         * tree-vect-stmts.c (vectorizable_store): Generate misaligned store
3075         and remove asset.
3076
3077 2009-06-05  Julian Brown  <julian@codesourcery.com>
3078
3079         * config/arm/ieee754-df.S (cmpdf2): Avoid writing below SP.
3080         * config/arm/ieee754-sf.S (cmpsf2): Likewise.
3081
3082 2009-06-05  Richard Guenther  <rguenther@suse.de>
3083
3084         PR bootstrap/40350
3085         * dwarf2out.c (dwarf2out_begin_function): Mark discriminator
3086         as possibly unused.
3087
3088 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
3089
3090         * config/s390/s390.c (global_not_special_regno_p): New static inline.
3091         (save_gprs): Don't tell unwinder when a global register is saved.
3092         (s390_emit_epilogue): Emit needed epilogue unwind info.
3093
3094 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
3095
3096         * dwarf2out.c (deferred_asm_name): New.
3097         (add_name_and_src_coords_attributes): Defer creation of
3098         DW_AT_MIPS_linkage_name attribute if DECL_ASSEMBLER_NAME was not
3099         computed yet.
3100         (move_linkage_attr): New.
3101         (dwarf2out_finish): Revisit deferrals and emit attributes at the
3102         right place.
3103
3104 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
3105
3106         * tree-nested.c (finalize_nesting_tree_1): Declare the
3107         frame_decl in the binding tree.
3108
3109 2009-06-04  Cary Coutant  <ccoutant@google.com>
3110
3111         * basic-block.h (struct basic_block_def): Add discriminator field.
3112         * dbxout.c (dbxout_source_line): Add new parameter.  Change all
3113         callers.
3114         * debug.c (do_nothing_debug_hooks): Add additional entry.
3115         (debug_nothing_int_charstar_int): New function.
3116         * debug.h (struct gcc_debug_hooks): Add parameter to source_line hook.
3117         (debug_nothing_int_charstar_int): New declaration.
3118         * dwarf2out.c (dwarf2out_source_line): Add new parameter.  Write
3119         discriminator value in .loc directive.
3120         * final.c (last_discriminator): New variable.
3121         (discriminator): New variable.
3122         (final_start_function): Initialize above variables, pass current
3123         discriminator to debug hook.
3124         (notice_source_line): Check for discriminator change.
3125         * gimple-pretty-print.c (dump_bb_header): Print discriminator value.
3126         * sdbout.c (sdbout_source_line): New parameter.
3127         * tree-cfg.c (struct locus_discrim_map): New structure type.
3128         (discriminator_per_locus): New hash table.
3129         (build_gimple_cfg): Allocate and free discriminator hash table.
3130         (make_edges): Call assign_discriminator.
3131         (locus_map_hash): New function.
3132         (locus_map_eq): New function.
3133         (next_discriminator_for_locus): New function.
3134         (same_line_p): New function.
3135         (assign_discriminator): New function.
3136         (make_cond_expr_edges): Call assign_discriminator.
3137         (make_gimple_switch_edges): Likewise.
3138         (first_non_label_stmt): New function.
3139         * vmsdbgout.c (vmsdbgout_source_line): Add new parameter.  Change
3140         all callers.
3141         * xcoffout.c (xcoffout_source_line): Add new parameter.
3142
3143         * configure.ac (gcc_cv_as_discriminator): New configury check for
3144         gas support for discriminator.
3145         * configure: Regenerate.
3146         * config.in: Regenerate.
3147
3148 2009-06-04  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3149
3150         * config/arm/arm.c (thumb2_legitimate_index_p): Initialize
3151         val after checking for integers.
3152
3153 2009-06-04  Uros Bizjak  <ubizjak@gmail.com>
3154
3155         * config/i386/i386.h (X86_64_MS_REGPARM_MAX): Rename from
3156         X64_REGPARM_MAX.
3157         (REGPARM_MAX): Use X86_64_MS_REGPARM_MAX.
3158         (X86_64_MS_SSE_REGPARM_MAX): Rename from X64_SSE_REGPARM_MAX.
3159         (SSE_REGPARM_MAX): Use X86_64_MS_SSE_REGPARM_MAX.
3160         * config/i386/i386.c: Use X86_64_MS_REGPARM_MAX instead of
3161         X64_REGPARM_MAX.  Use X86_64_MS_SSE_REGPARM_MAX instead of
3162         X64_SSE_REGPARM_MAX.
3163         * config/i386/i386.md: Use X86_64_MS_SSE_REGPARM_MAX instead of
3164         X64_SSE_REGPARM_MAX.
3165
3166 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
3167
3168         * gcc.c (report_times_to_file): New.
3169         (execute): Implement it.
3170         (process_command): Support -time=.
3171         * doc/invoke.texi: Document it.
3172
3173 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
3174
3175         * tree-ssa-live.c (remove_unused_scope_block_p): Keep variables
3176         that have value exprs.
3177
3178 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
3179
3180         * dwarf2asm.c (dw2_force_const_mem): Defer creation of
3181         declarations for constants until...
3182         (dw2_output_indirect_constant_1): ... this point.
3183
3184 2009-06-04  Richard Earnshaw  <rearnsha@arm.com>
3185
3186         PR target/10242
3187         * arm.md (arm_addsi3): Don't try to split an add with an
3188         eliminable register until after reload has completed.
3189
3190 2009-06-03  Ian Lance Taylor  <iant@google.com>
3191
3192         * dummy-checksum.c (executable_checksum): Use EXPORTED_CONST.
3193         * genattrtab.c (write_length_unit_log): Likewise.
3194         * genchecksum.c (dosum): Likewise.
3195         * gengtype.c (write_rtx_next): Likewise.
3196         (finish_root_table, write_roots): Likewise.
3197         * gimple.c (gimple_ops_offset_): Likewise.
3198         * tree-nomudflap.c (gt_ggc_r_gt_tree_mudflap_h): Likewise.
3199         * config/arc/arc.c (arc_attribute_table): Likewise.
3200         * config/arm/arm.c (arm_attribute_table): Likewise.
3201         * config/avr/avr.c (avr_attribute_table): Likewise.
3202         * config/crx/crx.c (crx_attribute_table): Likewise.
3203         * config/m32r/m32r.c (m32r_attribute_table): Likewise.
3204         * config/m68hc11/m68hc11.c (m68hc11_attribute_table): Likewise.
3205         * config/mcore/mcore.c (mcore_attribute_table): Likewise.
3206         * config/rs6000/rs6000.c (rs6000_attribute_table): Likewise.
3207         * config/sh/sh.c (sh_attribute_table): Likewise.
3208         * config/sparc/sparc.c (sparc_attribute_table): Likewise.
3209         * config/spu/spu.c (spu_attribute_table): Likewise.
3210         * config/v850/v850.c (v850_attribute_table): Likewise.
3211
3212         * config/alpha/alpha.c (vms_attribute_table): Make static.
3213         * config/bfin/bfin.c (bfin_attribute_table): Likewise.
3214         * config/h8300/h8300.c (h8300_attribute_table): Likewise.
3215         * config/mips/mips.c (mips_attribute_table): Likewise.
3216
3217         * Makefile.in (dummy-checksum.o): Depend upon $(CONFIG_H) and
3218         $(SYSTEM_H).
3219         (cc1-checksum.o): Likewise.
3220
3221 2009-06-03  Steve Ellcey  <sje@cup.hp.com>
3222
3223         * config/ia64/vect.md (*movv2sf_internal): Handle big endian case.
3224
3225 2009-06-03  Jakub Jelinek  <jakub@redhat.com>
3226
3227         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Return generated
3228         insn if it is changing sp.  Use gen_add3_insn instead of
3229         conditionally gen_addsi3 and gen_adddi3.
3230         (offset_below_red_zone_p): New static inline function.
3231         (rs6000_emit_epilogue): Emit needed epilogue unwind info.
3232         Use gen_add3_insn instead of conditionally gen_addsi3 and gen_adddi3.
3233         * config/rs6000/ppc-asm.h: Include auto-host.h.
3234         (CFI_STARTPROC, CFI_ENDPROC, CFI_DEF_CFA_REGISTER, CFI_OFFSET,
3235         CFI_RESTORE): Define.
3236         * config/rs6000/crtresxgpr.asm: Add unwind info.
3237         * config/rs6000/crtresxfpr.asm: Likewise.
3238         * config/rs6000/crtresgpr.asm: Likewise.
3239         * config/rs6000/crtresfpr.asm: Likewise.
3240         * config/rs6000/crtsavgpr.asm: Likewise.
3241         * config/rs6000/crtsavfpr.asm: Likewise.
3242
3243         * dwarf2out.c (output_cfi_directive): Pass 1 instead of 0 to second
3244         argument of DWARF2_FRAME_REG_OUT macros.
3245
3246 2009-06-03  Julian Brown  <julian@codesourcery.com>
3247
3248         * config/arm/arm.c (arm_hard_regno_mode_ok): Permit values of four
3249         words or less (including TImode) in core registers.
3250
3251 2009-06-03  Richard Guenther  <rguenther@suse.de>
3252
3253         PR middle-end/40328
3254         * fold-const.c (fold_convert): Fold the build COMPLEX_EXPR.
3255
3256 2009-06-03  Andrey Belevantsev  <abel@ispras.ru>
3257
3258         * statistics.c (statistics_counter_event): Do not record event 
3259         in pass dump if its number == -1.
3260         (curr_statistics_hash): Add assert that we never get passes 
3261         with static number == -1.
3262
3263 2009-06-03  Richard Guenther  <rguenther@suse.de>
3264             Andrey Belevantsev  <abel@ispras.ru>
3265
3266         * cfgexpand.c (discover_nonconstant_array_refs_r): Make only 
3267         non-BLKmode arrays addressable.
3268
3269 2009-06-03  Maxim Kuvyrkov  <maxim@codesourcery.com>
3270
3271         * config/m68k/linux.h (HAVE_GAS_BALIGN_AND_P2ALIGN): Move to ...
3272         * config/m68k/m68k.h: ... here.
3273         * testsuite/gcc.dg/falign-labels.c (dg-options): Don't restrict for
3274         m68k and fido.
3275
3276 2009-06-03  Martin Jambor  <mjambor@suse.cz>
3277
3278         PR tree-optimization/40323
3279         * ipa-prop.c (get_ssa_def_if_simple_copy): Break if not single
3280         assignment.
3281
3282 2009-06-03  Richard Guenther  <rguenther@suse.de>
3283
3284         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
3285         consistently.
3286
3287 2009-06-03  Shujing Zhao  <pearly.zhao@oracle.com>
3288
3289         * config/sh/predicates.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
3290         JUMP_P, CALL_P, NONJUMP_INSN_P, NOTE_P, BARRIER_P and
3291         JUMP_TABLE_DATA_P where applicable.
3292         * config/sh/sh.c: Ditto.
3293         * config/sh/sh.h: Ditto.
3294         * config/sh/sh.md: Ditto.
3295         * config/sh/symbian.c: Ditto.
3296
3297 2009-06-03  Uros Bizjak  <ubizjak@gmail.com>
3298
3299         * config/i386/driver-i386.c (describe_cache): Optimize
3300         concatenation of strings.  Use snprintf instead of sprintf.
3301         (host_detect_local_cpu): Ditto.  Ignore -march and -mtune for native
3302         target when not compiling with GCC.
3303
3304 2009-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>
3305
3306         * config/sh/sh.c: Revert last change.
3307         (sh_expand_epilogue): Emit a blockage insn before the frame
3308         pointer adjustment unconditionally.
3309
3310 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
3311
3312         * config/pa/pa-hpux.h (LINK_SPEC): Remove "%<fwhole-program".
3313         * config/pa/pa-hpux10.h (LINK_SPEC): Likewise.
3314         * config/pa/pa-hpux11.h (LINK_SPEC): Likewise.
3315         * gcc.c (set_collect_gcc_options): Don't add -fwhole-program
3316         to COLLECT_GCC_OPTIONS.
3317
3318 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
3319
3320         * collect2.c (target_system_root): New variable.
3321         (main): Handle --sysroot=.
3322         (ignore_library): Strip the sysroot from the library path.
3323
3324 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
3325
3326         * Makefile.in (COLLECT2_OBJS): Add collect2-aix.o.
3327         (collect2.o): Depend on collect2-aix.h.
3328         (collect2-aix.o): New rule.
3329         * collect2-aix.h: New file.
3330         * collect2-aix.c: Likewise.
3331         * collect2.c: Include collect2-aix.h.  Don't undefine
3332         OBJECT_FORMAT_COFF if CROSS_AIX_SUPPORT is defined.
3333         Guard native includes with #ifndef CROSS_DIRECTORY_STRUCTURE.
3334         Use TARGET_AIX_VERSION instead of _AIX51.
3335         * config/rs6000/aix43.h (TARGET_AIX_VERSION): Define.
3336         * config/rs6000/aix51.h (TARGET_AIX_VERSION): Likewise.
3337         * config/rs6000/aix52.h (TARGET_AIX_VERSION): Likewise.
3338         * config/rs6000/aix53.h (TARGET_AIX_VERSION): Likewise.
3339         * config/rs6000/aix61.h (TARGET_AIX_VERSION): Likewise.
3340
3341 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
3342
3343         * collect2.c (ignore_library): Avoid premature post-increment
3344         and null deference.
3345
3346 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
3347
3348         * Makefile.in (libgcc.mvars): Add TARGET_SYSTEM_ROOT.
3349         * config/rs6000/aix.h (LINK_SYSCALLS_SPEC): Add %R to the
3350         !CROSS_DIRECTORY_STRUCTURE alternative and use it for
3351         CROSS_DIRECTORY_STRUCTURE too.
3352         (LINK_LIBG_SPEC): Likewise.
3353         (LIB_SPEC): Add %R to sysroot paths.
3354         * config/rs6000/aix43.h (CPP_SPEC): Add %R to sysroot paths.
3355         (CPLUSPLUS_CPP_SPEC, LIB_SPEC): Likewise.
3356         * config/rs6000/aix51.h: As for aix43.h.
3357         * config/rs6000/aix52.h: Likewise.
3358         * config/rs6000/aix53.h: Likewise.
3359         * config/rs6000/aix61.h: Likewise.
3360         * config/rs6000/t-aix52 (SHLIB_LINK): Add $(TARGET_SYSTEM_ROOT)
3361         to the beginning of sysroot paths.
3362
3363 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
3364
3365         * print_rtl (print_rtx): Don't print modes in EXPR_LISTs and
3366         INSN_LISTs that are out of the REG_NOTE range.
3367
3368 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
3369
3370         * loop-unroll.c (struct iv_to_split): Add pointer to next.
3371         (struct var_to_expand): Likewise.
3372         (struct opt_info): Add head and tail for linked lists of the above.
3373         (analyze_insn_to_expand_var): Initialize next.
3374         (analyze_iv_to_split_insn): Likewise.
3375         (analyze_insns_in_loop): Create linked lists.
3376         (allocate_basic_variable): Simplify for use without hash table.
3377         (insert_var_expansion_initialization): Likewise, make it type-safer.
3378         (combine_var_copies_in_loop_exit): Likewise.
3379         (apply_opt_in_copies): Walk lists rather than hash tables.
3380         (release_var_copies): Simplified and inlined by hand into...
3381         (free_opt_info): ... this function.
3382
3383 2009-06-02  Richard Guenther  <rguenther@suse.de>
3384
3385         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
3386         for field decls.
3387
3388 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
3389
3390         * cfgexpand.c (gimple_expand_cfg): Discard the source location
3391         only for builtins that are not overridden.
3392
3393 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
3394
3395         * gengtype.c (adjust_field_rtx_def): Add NOTE_INSN_DELETED_LABEL's
3396         label string.
3397
3398 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
3399
3400         * df-core.c (df_ref_debug): Honor -fdump-noaddr.
3401
3402 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
3403
3404         * combine.c (move_deaths): Compare LUIDs within the same BB only.
3405
3406 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
3407
3408         * common.opt (fdump-unnumbered-links): New.
3409         * doc/invoke.texi (-fdump-unnumbered-links): Document it.
3410         * print-rtl.c (flag_dump_unnumbered_links): New.
3411         (print_rtx): Test it.
3412
3413 2009-06-02  Richard Earnshaw  <rearnsha@arm.com>
3414
3415         * arm.c (arm_get_frame_offsets): Prefer using r3 for padding a
3416         push/pop multiple to 8-byte alignment.
3417
3418 2009-06-01  Jakub Jelinek  <jakub@redhat.com>
3419
3420         * config/i386/i386.c (queued_cfa_restores): New static variable.
3421         (ix86_add_cfa_restore_note, ix86_add_queued_cfa_restore_notes): New
3422         functions.
3423         (pro_epilogue_adjust_stack): Call ix86_add_queued_cfa_restore_notes.
3424         (ix86_emit_restore_reg_using_pop): Add RED_OFFSET argument.
3425         Set RTX_FRAME_RELATED_P immediately after adding a REG_CFA_* note.
3426         Call ix86_add_cfa_restore_note instead of adding REG_CFA_OFFSET
3427         note unconditionally.
3428         (ix86_emit_restore_regs_using_mov): Likewise.
3429         (ix86_emit_restore_sse_regs_using_mov): Likewise.
3430         (ix86_emit_restore_regs_using_pop): Add RED_OFFSET argument, pass
3431         it through to ix86_emit_restore_reg_using_pop.
3432         (ix86_emit_leave): Add RED_OFFSET argument.  Call
3433         ix86_add_queued_cfa_restore_notes.  Call ix86_add_cfa_restore_note
3434         instead of adding REG_CFA_OFFSET note unconditionally.
3435         (ix86_expand_epilogue): Compute RED_OFFSET, pass it down to
3436         the above functions.  Call ix86_add_queued_cfa_restore_notes when
3437         needed.
3438
3439         * dwarf2out.c (dwarf2out_cfi_label): Add FORCE argument, if true,
3440         force output of the label even for dwarf2out_do_cfi_asm.
3441         (add_fde_cfi): If -g2 and above and cfi might change CFA,
3442         force creation of CFI label and chain DW_CFA_set_loc jumping to it
3443         for convert_cfa_to_fb_loc_list.  Adjust other dwarf2out_cfi_label
3444         caller.
3445         (dwarf2out_stack_adjust, dwarf2out_frame_debug,
3446         dwarf2out_begin_epilogue, dwarf2out_frame_debug_restore_state): Adjust
3447         dwarf2out_cfi_label callers.
3448         * tree.h (dwarf2out_cfi_label): Adjust prototype.
3449         * config/arm/arm.c (thumb_pushpop, thumb1_output_function_prologue):
3450         Adjust dwarf2out_cfi_label callers.
3451         * config/vax/vax.c (vax_output_function_prologue): Likewise.
3452
3453         * config/i386/i386.h (struct machine_cfa_state,
3454         struct machine_function): Guard with ifndef USED_FOR_TARGET
3455         instead of not IN_LIBGCC2 and not in IN_TARGET_LIBS.
3456
3457         PR other/40024
3458         * emutls.c (__emutls_get_address): Change arr->size to mean number
3459         of allocated arr->data entries instead of # of slots + 1.
3460
3461         PR middle-end/40316
3462         * recog.c (peep2_reinit_state): New function.
3463         (peephole2_init_state): Use it at the end of a basic block and also
3464         when seeing a RTX_FRAME_RELATED_P insn.
3465
3466 2009-06-01  Steve Ellcey  <sje@cup.hp.com>
3467
3468         * ia64.md (floatdirf2, fix_truncrfdi, floatunsdirf,
3469         fixuns_truncrfdi2): New.
3470         (fix_truncxfdi2_alts, fixuns_truncxfdi2_alts,
3471         *nmaddsf4_alts, *nmadddf4_alts, *nmadddf4_truncsf_alts,
3472         *mulxf3_alts, *mulxf3_truncsf_alts, *mulxf3_truncdf_alts,
3473         *maddxf4_alts, *maddxf4_alts_truncsf, *maddxf4_alts_truncdf,
3474         *nmaddxf4_alts, *nmaddxf4_truncsf_alts, *nmaddxf4_truncdf_alts,
3475         *recip_approx): Remove.
3476         (divsi3 modsi3, udivsi3, umodsi3, divsi3_internal, divdi3,
3477         moddi3, udivdi3, umoddi3, divdi3_internal_lat, divdi3_internal_thr,
3478         divsf3, sqrtsf2, divdf3, sqrtdf2, divxf3, sqrtxf2): Modify and
3479         move to div.md.
3480         * div.md (fix_truncrfdi2_alts, fixuns_truncrfdi2_alt,
3481         setf_exp_rf): New.
3482
3483 2009-06-01  Ian Lance Taylor  <iant@google.com>
3484
3485         * attribs.c (register_attribute): Use CONST_CAST.
3486         * collect2.c (main): Use CONST_CAST2.
3487         (scan_prog_file): Likewise.
3488         * gcc.c (process_command, main): Likewise.
3489         * toplev.c (toplev_main): Likewise.
3490
3491         * c-typeck.c (handle_warn_cast_qual): New static function,
3492         partially broken out of build_c_cast.
3493         (build_c_cast): Call handle_warn_cast_qual.
3494         * doc/invoke.texi (Warning Options): Document new effect of
3495         -Wcast-qual.
3496
3497 2009-06-01  Aldy Hernandez  <aldyh@redhat.com>
3498
3499         * diagnostic.c (diagnostic_build_prefix): Always print columns.
3500         (diagnostic_report_current_module): Print columns.
3501         * common.opt (flag_show_column): Enable by default.
3502
3503 2009-06-01  Luis Machado  <luisgpm@br.ibm.com>
3504
3505         * alias.c (find_base_term): Check for NULL term before returning.
3506
3507 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
3508
3509         Revert due to PR40320:
3510         2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
3511         * calls.c (emit_library_call_value_1): Don't force_operand for move
3512         and push insns.
3513
3514 2009-06-01  Olivier Hainque  <hainque@adacore.com>
3515             Eric Botcazou  <ebotcazou@adacore.com>
3516
3517         * tree.h (CONSTRUCTOR_BITFIELD_P): True if NODE, a FIELD_DECL, is
3518         to be processed as a bitfield for constructor output purposes.
3519         * output.h (initializer_constant_valid_for_bitfield_p): Declare
3520         new function.
3521         * varasm.c (oc_local_state): New type, output_constructor
3522         local state to support communication with helpers.
3523         (oc_outer_state): New type, output_constructor outer state of
3524         relevance in recursive calls.
3525         (output_constructor_array_range): New output_constructor helper,
3526         extracted code for an array range element.
3527         (output_constructor_regular_field): New output_constructor helper,
3528         extracted code for an element that is not a bitfield.
3529         (output_constructor_bitfield): New output_constructor helper,
3530         extracted code for a bitfield element.  Accept an OUTER state
3531         argument for recursive processing.  Recurse on record or array
3532         CONSTRUCTOR values, possibly past noop conversions.
3533         (initializer_constant_valid_for_bitfield_p): New predicate.  Whether
3534         VALUE is a valid constant-valued expression for use in a static
3535         bit-field initializer.
3536         (output_constructor): Rework to use helpers.  Accept and honor an
3537         OUTER state argument for recursive calls.  Return total size.  Be
3538         prepared for nested constructors initializing bitfields.
3539         (output_constant): Feed OUTER in calls to output_constructor.
3540
3541 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
3542
3543         * calls.c (emit_library_call_value_1): Don't force_operand for move
3544         and push insns.
3545
3546 2009-06-01  Nick Clifton  <nickc@redhat.com>
3547
3548         * doc/invoke.texi (IA-64 Options): Fix typo.
3549
3550 2009-06-01  Ira Rosen  <irar@il.ibm.com>
3551
3552         PR tree-optimization/39129
3553         * tree-vect-loop-manip.c (conservative_cost_threshold): Change the 
3554         printed message.
3555         (vect_do_peeling_for_loop_bound): Use 
3556         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
3557         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
3558         (vect_loop_versioning): Likewise.
3559         (vect_create_cond_for_alias_checks): Fix indentation.
3560         * tree-vectorizer.h (struct _loop_vec_info): Fix indentation of the 
3561         macros.
3562         (LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT): Define.
3563         (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Likewise.
3564         * tree-vect-loop.c (vect_analyze_loop_form): Change "too many BBs" to 
3565         "control flow in loop".
3566         (vect_estimate_min_profitable_iters): Use 
3567         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
3568         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
3569         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
3570         (vect_create_data_ref_ptr): Don't mention array dimension in printing.
3571         * tree-vect-stmts.c (vectorizable_store): Replace the check that the 
3572         statement belongs to a group of strided accesses with the exact code 
3573         check.
3574         (vectorizable_load): Likewise.
3575         * tree-vect-slp.c (vect_analyze_slp_instance): Spell out "basic block".
3576         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
3577
3578 2009-06-01  Gerald Pfeifer  <gerald@pfeifer.com>
3579
3580         * config/freebsd-stdint.h: New file.
3581         * config.gcc (*-*-freebsd): Set use_gcc_stdint=wrap.
3582         Add freebsd-stdint.h to tm_file.
3583
3584 2009-06-01  Richard Earnshaw  <rearnsha@arm.com>
3585
3586         * arm/thumb2.md (thumb2_zero_extendhidi2): New insn and split.
3587         (thumb2_extendhidi2): Likewise.
3588
3589 2009-05-31  Ian Lance Taylor  <iant@google.com>
3590
3591         * regstat.c (regstat_n_sets_and_refs): Remove duplicate definition.
3592
3593 2009-05-31  Ian Lance Taylor  <iant@google.com>
3594
3595         * Makefile.in (except.o): Depend upon gt-except.h, not gt-$(EXCEPT_H).
3596         (ipa-cp.o): Depend upon $(FIBHEAP_H) and $(PARAMS_H).
3597         (ipa-reference.o): Depend upon gt-ipa-reference.h.
3598
3599 2009-05-31  Jason Merrill  <jason@redhat.com>
3600
3601         * tree-pretty-print.c (print_call_name): Take the callee, not the
3602         call itself.  Make non-static.  Use dump_function_name for functions.
3603         (dump_generic_node): Adjust.
3604         * diagnostic.h: Declare print_call_name.
3605         * gimple-pretty-print.c (dump_gimple_call): Use it.
3606
3607 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
3608
3609         * config/sh/sh.md (ashldi3_std): New define_expand.
3610         (ashldi3): Use it.
3611
3612 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
3613
3614         PR target/40313
3615         * config/sh/sh.c: Include debug.h.
3616         (sh_expand_epilogue): Emit a blockage insn before the frame
3617         pointer adjustment also when dwarf2out_do_frame returns true.
3618
3619 2009-05-31  Richard Earnshaw  <rearnsha@arm.com>
3620
3621         * arm/thumb2.md (thumb2_extendsidi2): Add a split sub-pattern.
3622         (thumb2_extendqidi2): New pattern.
3623
3624 2009-05-31  Ira Rosen  <irar@il.ibm.com>
3625
3626         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1): Don't
3627         mark phis for renaming.
3628         * tree-vectorizer.c (vect_memsyms_to_rename): Remove.
3629         (vectorize_loops): Don't allocate and free vect_memsyms_to_rename.
3630         Call mark_sym_for_renaming.
3631         * tree-vectorizer.h (vect_memsyms_to_rename): Remove.
3632         * tree-vect-loop.c (vect_transform_loop): Remove
3633         vect_memsyms_to_rename initialization and a call to
3634         mark_set_for_renaming.
3635
3636 2009-05-31  Jakub Jelinek  <jakub@redhat.com>
3637
3638         PR middle-end/40304
3639         * config/i386/i386.c (pro_epilogue_adjust_stack): Mark insns
3640         frame related even if !set_cfa && style < 0.
3641
3642 2009-05-30  Kai Tietz  <kai.tietz@onevision.com>
3643
3644         * config/i386/mingw-tls.c: New file.
3645         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Add mingw-tls.c file.
3646         * gthr-win32.h (MINGW32_SUPPORTS_MT_EH): Define it for targets
3647         defining _WIN32 but not __CYGWIN__.
3648
3649 2009-05-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3650
3651         * configure.ac: Add MPC support.
3652         
3653         * config.in, configure: Regenerate.     
3654
3655 2009-05-29  Richard Henderson  <rth@redhat.com>
3656
3657         * cfgcleanup.c (try_crossjump_to_edge): Only skip past
3658         NOTE_INSN_BASIC_BLOCK.
3659         * cfglayout.c (duplicate_insn_chain): Copy epilogue insn marks.
3660         Duplicate NOTE_INSN_EPILOGUE_BEG notes.
3661         * cfgrtl.c (can_delete_note_p): Allow NOTE_INSN_EPILOGUE_BEG
3662         to be deleted.
3663         * dwarf2out.c (struct cfa_loc): Change indirect field to bitfield,
3664         add in_use field.
3665         (add_cfi): Disable check redefining cfa away from drap.
3666         (lookup_cfa_1): Add remember argument; handle remember/restore.
3667         (lookup_cfa): Pass remember argument.
3668         (cfa_remember): New.
3669         (compute_barrier_args_size_1): Remove sibcall check.
3670         (dwarf2out_frame_debug_def_cfa): New.
3671         (dwarf2out_frame_debug_adjust_cfa): New.
3672         (dwarf2out_frame_debug_cfa_offset): New.
3673         (dwarf2out_frame_debug_cfa_register): New.
3674         (dwarf2out_frame_debug_cfa_restore): New.
3675         (dwarf2out_frame_debug): Handle REG_CFA_* notes.
3676         (dwarf2out_begin_epilogue): New.
3677         (dwarf2out_frame_debug_restore_state): New.
3678         (dw_cfi_oprnd1_desc): Handle DW_CFA_remember_state,
3679         DW_CFA_restore_state.
3680         (output_cfi_directive): Likewise.
3681         (convert_cfa_to_fb_loc_list): Likewise.
3682         (dw_cfi_oprnd1_desc): Handle DW_CFA_restore.
3683         * dwarf2out.h: Update.
3684         * emit-rtl.c (try_split): Don't split RTX_FRAME_RELATED_P.
3685         (copy_insn_1): Early out for null.
3686         * final.c (final_scan_insn): Call dwarf2out_begin_epilogue
3687         and dwarf2out_frame_debug_restore_state.
3688         * function.c (prologue, epilogue, sibcall_epilogue): Remove.
3689         (prologue_insn_hash, epilogue_insn_hash): New.
3690         (free_after_compilation): Adjust freeing accordingly.
3691         (record_insns): Create hash table if needed; push insns into
3692         hash instead of array.
3693         (maybe_copy_epilogue_insn): New.
3694         (contains): Search hash table instead of array.
3695         (sibcall_epilogue_contains): Remove.
3696         (thread_prologue_and_epilogue_insns): Split eh_return insns
3697         and mark them as epilogues.
3698         (reposition_prologue_and_epilogue_notes): Rewrite epilogue
3699         scanning in terms of basic blocks.
3700         * insn-notes.def (CFA_RESTORE_STATE): New.
3701         * jump.c (returnjump_p_1): Accept EH_RETURN.
3702         (eh_returnjump_p_1, eh_returnjump_p): New.
3703         * reg-notes.def (CFA_DEF_CFA, CFA_ADJUST_CFA, CFA_OFFSET,
3704         CFA_REGISTER, CFA_RESTORE): New.
3705         * rtl.def (EH_RETURN): New.
3706         * rtl.h (eh_returnjump_p, maybe_copy_epilogue_insn): Declare.
3707
3708         * config/bfin/bfin.md (UNSPEC_VOLATILE_EH_RETURN): Remove.
3709         (eh_return_internal): Use eh_return rtx; split w/ epilogue.
3710
3711         * config/i386/i386.c (gen_push): Update cfa state.
3712         (pro_epilogue_adjust_stack): Add set_cfa argument.  When true,
3713         add a CFA_ADJUST_CFA note.
3714         (ix86_dwarf_handle_frame_unspec): Remove.
3715         (ix86_expand_prologue): Update cfa state.
3716         (ix86_emit_restore_reg_using_pop): New.
3717         (ix86_emit_restore_regs_using_pop): New.
3718         (ix86_emit_leave): New.
3719         (ix86_emit_restore_regs_using_mov): Add CFA_RESTORE notes.
3720         (ix86_expand_epilogue): Add notes for unwinding the epilogue.
3721         * config/i386/i386.h (struct machine_cfa_state): New.
3722         (ix86_cfa_state): New.
3723         * config/i386/i386.md (UNSPEC_EH_RETURN): Remove.
3724         (eh_return_internal): Merge from eh_return_<mode>,
3725         use eh_return rtx, split w/ epilogue.
3726
3727 2009-05-29  Ian Lance Taylor  <iant@google.com>
3728
3729         * builtins.c (validate_gimple_arglist): Don't use va_arg with
3730         enum type.
3731         * calls.c (emit_library_call_value_1): Likewise.
3732
3733         * c-typeck.c (c_build_va_arg): New function.
3734         * c-tree.h (c_build_va_arg): Declare.
3735         * c-parser.c (c_parser_postfix_expression): Call c_build_va_arg
3736         instead of build_va_arg.
3737
3738 2009-05-29  Eric Botcazou  <ebotcazou@adacore.com>
3739
3740         * tree-ssa-loop-ivopts.c (strip_offset_1) <MULT_EXPR>: New case.
3741         (force_expr_to_var_cost) <NEGATE_EXPR>: Likewise.
3742         (ptr_difference_cost): Use affine combinations to compute it.
3743         (difference_cost): Likewise.
3744         (get_computation_cost_at): Compute more accurate cost for addresses
3745         if the ratio is a multiplier allowed in addresses.
3746         For non-addresses, consider that an additional offset or symbol is
3747         added only once.
3748
3749 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
3750
3751         * config/i386/i386.c (ix86_decompose_address): Avoid useless
3752         0 displacement.  Add 0 displacement if base is %[er]bp or %r13.
3753
3754         * config/i386/i386.md (prefix_data16, prefix_rep): Set to 0 for
3755         TYPE_SSE{MULADD,4ARG,IADD1,CVT1} by default.
3756         (prefix_rex): For UNIT_MMX don't imply the prefix by default
3757         if MODE_DI.
3758         (prefix_extra): Default to 2 for TYPE_SSE{MULADD,4ARG} and
3759         to 1 for TYPE_SSE{IADD1,CVT1}.
3760         (prefix_vex_imm8): Removed.
3761         (length_vex): Only pass 1 as second argument to
3762         ix86_attr_length_vex_default if prefix_extra is 0.
3763         (modrm): For TYPE_INCDEC only set to 0 if not TARGET_64BIT.
3764         (length): For prefix vex computation use length_immediate
3765         attribute instead of prefix_vex_imm8.
3766         (cmpqi_ext_3_insn, cmpqi_ext_3_insn_rex64,
3767         addqi_ext_1, addqi_ext_1_rex64, *testqi_ext_0, andqi_ext_0,
3768         *andqi_ext_0_cc, *iorqi_ext_0, *xorqi_ext_0, *xorqi_cc_ext_1,
3769         *xorqi_cc_ext_1_rex64): Override modrm attribute to 1.
3770         (extendsidi2_rex64, extendhidi2, extendqidi2, extendhisi2,
3771         *extendhisi2_zext, extendqihi2, extendqisi2, *extendqisi2_zext): Emit
3772         a space in between the operands.
3773         (*anddi_1_rex64, *andsi_1): Likewise.  Override prefix_rex to 1
3774         if one operand is 0xff and the other one si, di, bp or sp.
3775         (*andhi_1): Override prefix_rex to 1 if one operand is 0xff and the
3776         other one si, di, bp or sp.
3777         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Add mode attribute.
3778         (*ffssi_1, *ffsdi_1, ctzsi2, ctzdi2): Add
3779         type and mode attributes.
3780         (*bsr, *bsr_rex64, *bsrhi): Add type attribute.
3781         (*cmpfp_i_mixed, *cmpfp_iu_mixed): For TYPE_SSECOMI, clear
3782         prefix_rep attribute and set prefix_data16 attribute iff MODE_DF.
3783         (*cmpfp_i_sse, *cmpfp_iu_sse): Clear prefix_rep attribute and set
3784         prefix_data16 attribute iff MODE_DF.
3785         (*movsi_1): For TYPE_SSEMOV MODE_SI set prefix_data16 attribute.
3786         (fix_trunc<mode>di_sse): Set prefix_rex attribute.
3787         (*adddi_4_rex64, *addsi_4): Use const128_operand instead of
3788         constm128_operand in length_immediate computation.
3789         (*addhi_4): Likewise.  Fix mode attribute to MODE_HI.
3790         (anddi_1_rex64): Use movzbl/movzwl instead of movzbq/movzwq.
3791         (*avx_ashlti3, sse2_ashlti3, *avx_lshrti3, sse2_lshrti3): Set
3792         length_immediate attribute to 1.
3793         (x86_fnstsw_1, x86_fnstcw_1, x86_fldcw_1): Fix length attribute.
3794         (*movdi_1_rex64): Override prefix_rex or prefix_data16 attributes
3795         for certain alternatives.
3796         (*movdf_nointeger, *movdf_integer_rex64, *movdf_integer): Override
3797         prefix_data16 attribute if MODE_V1DF.
3798         (*avx_setcc<mode>, *sse_setcc<mode>, *sse5_setcc<mode>): Set
3799         length_immediate to 1.
3800         (set_got_rex64, set_rip_rex64): Remove length attribute, set
3801         length_address to 4, set mode attribute to MODE_DI.
3802         (set_got_offset_rex64): Likewise.  Set length_immediate to 0.
3803         (fxam<mode>2_i387): Set length attribute to 4.
3804         (*prefetch_sse, *prefetch_sse_rex, *prefetch_3dnow,
3805         *prefetch_3dnow_rex): Override length_address attribute.
3806         (sse4_2_crc32<mode>): Override prefix_data16 and prefix_rex
3807         attributes.
3808         * config/i386/predicates.md (ext_QIreg_nomode_operand): New predicate.
3809         (constm128_operand): Removed.
3810         * config/i386/i386.c (memory_address_length): For
3811         disp && !index && !base in 64-bit mode account for SIB byte if
3812         print_operand_address can't optimize disp32 into disp32(%rip)
3813         and UNSPEC doesn't imply (%rip) addressing.  Add 1 to length
3814         for fs: or gs: segment.
3815         (ix86_attr_length_immediate_default): When checking if shortform
3816         is possible, truncate immediate to the length of the non-shortened
3817         immediate.
3818         (ix86_attr_length_address_default): Ignore MEM_P operands
3819         with X constraint.
3820         (ix86_attr_length_vex_default): Only check for DImode on
3821         GENERAL_REG_P operands.
3822         * config/i386/sse.md (<sse>_comi, <sse>_ucomi): Clear
3823         prefix_rep attribute, set prefix_data16 attribute iff MODE_DF.
3824         (sse_cvttps2pi): Clear prefix_rep attribute.
3825         (sse2_cvttps2dq, *sse2_cvtpd2dq, sse2_cvtps2pd): Clear prefix_data16
3826         attribute.
3827         (*sse2_cvttpd2dq): Don't clear prefix_rep attribute.
3828         (*avx_ashr<mode>3, ashr<mode>3, *avx_lshr<mode>3, lshr<mode>3,
3829         *avx_ashl<mode>3, ashl<mode>3): Set length_immediate attribute to 1
3830         iff operand 2 is const_int_operand.
3831         (*vec_dupv4si, avx_shufpd256_1, *avx_shufpd_<mode>,
3832         sse2_shufpd_<mode>): Set length_immediate attribute to 1.
3833         (sse2_pshufd_1): Likewise.  Set prefix attribute to maybe_vex
3834         instead of vex.
3835         (sse2_pshuflw_1, sse2_pshufhw_1): Set length_immediate to 1 and clear
3836         prefix_data16.
3837         (sse2_unpckhpd, sse2_unpcklpd, sse2_storehpd, *vec_concatv2df): Set
3838         prefix_data16 attribute for movlpd and movhpd instructions.
3839         (sse2_loadhpd, sse2_loadlpd, sse2_movsd): Likewise.  Override
3840         length_immediate for shufpd instruction.
3841         (sse2_movntsi, sse3_lddqu): Clear prefix_data16 attribute.
3842         (avx_cmpp<avxmodesuffixf2c><mode>3,
3843         avx_cmps<ssemodesuffixf2c><mode>3, *avx_maskcmp<mode>3,
3844         <sse>_maskcmp<mode>3, <sse>_vmmaskcmp<mode>3,
3845         avx_shufps256_1, *avx_shufps_<mode>, sse_shufps_<mode>,
3846         *vec_dupv4sf_avx, *vec_dupv4sf): Set length_immediate attribute to 1.
3847         (*avx_cvtsi2ssq, *avx_cvtsi2sdq): Set length_vex attribute to 4.
3848         (sse_cvtsi2ssq, sse2_cvtsi2sdq): Set prefix_rex attribute to 1.
3849         (sse2_cvtpi2pd, sse_loadlps, sse2_storelpd): Override
3850         prefix_data16 attribute for the first alternative to 1.
3851         (*avx_loadlps): Override length_immediate for the first alternative.
3852         (*vec_concatv2sf_avx): Override length_immediate and prefix_extra
3853         attributes for second alternative.
3854         (*vec_concatv2sf_sse4_1): Override length_immediate and
3855         prefix_data16 attributes for second alternative.
3856         (*vec_setv4sf_avx, *avx_insertps, vec_extract_lo_<mode>,
3857         vec_extract_hi_<mode>, vec_extract_lo_v16hi,
3858         vec_extract_hi_v16hi, vec_extract_lo_v32qi,
3859         vec_extract_hi_v32qi): Set prefix_extra and length_immediate to 1.
3860         (*vec_setv4sf_sse4_1, sse4_1_insertps, *sse4_1_extractps): Set
3861         prefix_data16 and length_immediate to 1.
3862         (*avx_mulv2siv2di3, *avx_mulv4si3, sse4_2_gtv2di3): Set prefix_extra
3863         to 1.
3864         (*avx_<code><mode>3, *avx_eq<mode>3, *avx_gt<mode>3): Set
3865         prefix_extra attribute for variants that don't have 0f prefix alone.
3866         (*avx_pinsr<ssevecsize>): Likewise.  Set length_immediate to 1.
3867         (*sse4_1_pinsrb, *sse2_pinsrw, *sse4_1_pinsrd, *sse4_1_pextrb,
3868         *sse4_1_pextrb_memory, *sse2_pextrw, *sse4_1_pextrw_memory,
3869         *sse4_1_pextrd): Set length_immediate to 1.
3870         (*sse4_1_pinsrd): Likewise.  Set prefix_extra to 1.
3871         (*sse4_1_pinsrq, *sse4_1_pextrq): Set prefix_rex and length_immediate
3872         to 1.
3873         (*vec_extractv2di_1_rex64_avx, *vec_extractv2di_1_rex64,
3874         *vec_extractv2di_1_avx, *vec_extractv2di_1_sse2): Override
3875         length_immediate to 1 for second alternative.
3876         (*vec_concatv2si_avx, *vec_concatv2di_rex64_avx): Override
3877         prefix_extra and length_immediate attributes for the first
3878         alternative.
3879         (vec_concatv2si_sse4_1): Override length_immediate to 1 for the
3880         first alternative.
3881         (*vec_concatv2di_rex64_sse4_1): Likewise.  Override prefix_rex
3882         to 1 for the first and third alternative.
3883         (*vec_concatv2di_rex64_sse): Override prefix_rex to 1 for the second
3884         alternative.
3885         (*sse2_maskmovdqu, *sse2_maskmovdqu_rex64): Override length_vex
3886         attribute.
3887         (*sse_sfence, sse2_mfence, sse2_lfence): Override length_address
3888         attribute to 0.
3889         (*avx_phaddwv8hi3, *avx_phadddv4si3, *avx_phaddswv8hi3,
3890         *avx_phsubwv8hi3, *avx_phsubdv4si3, *avx_phsubswv8hi,
3891         *avx_pmaddubsw128, *avx_pmulhrswv8hi3, *avx_pshufbv16qi3,
3892         *avx_psign<mode>3): Set prefix_extra attribute to 1.
3893         (ssse3_phaddwv4hi3, ssse3_phadddv2si3, ssse3_phaddswv4hi3,
3894         ssse3_phsubwv4hi3, ssse3_phsubdv2si3, ssse3_phsubswv4hi3,
3895         ssse3_pmaddubsw, *ssse3_pmulhrswv4hi, ssse3_pshufbv8qi3,
3896         ssse3_psign<mode>3): Override prefix_rex attribute.
3897         (*avx_palignrti): Override prefix_extra and length_immediate to 1.
3898         (ssse3_palignrti): Override length_immediate to 1.
3899         (ssse3_palignrdi): Override length_immediate to 1, override
3900         prefix_rex attribute.
3901         (abs<mode>2): Override prefix_rep to 0, override prefix_rex attribute.
3902         (sse4a_extrqi): Override length_immediate to 2.
3903         (sse4a_insertqi): Likewise.  Override prefix_data16 to 0.
3904         (sse4a_insertq): Override prefix_data16 to 0.
3905         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>,
3906         avx_blendvp<avxmodesuffixf2c><avxmodesuffix>,
3907         avx_dpp<avxmodesuffixf2c><avxmodesuffix>, *avx_mpsadbw,
3908         *avx_pblendvb, *avx_pblendw, avx_roundp<avxmodesuffixf2c>256,
3909         avx_rounds<avxmodesuffixf2c>256): Override prefix_extra
3910         and length_immediate to 1.
3911         (sse4_1_blendp<ssemodesuffixf2c>, sse4_1_dpp<ssemodesuffixf2c>,
3912         sse4_2_pcmpestr, sse4_2_pcmpestri, sse4_2_pcmpestrm,
3913         sse4_2_pcmpestr_cconly, sse4_2_pcmpistr, sse4_2_pcmpistri,
3914         sse4_2_pcmpistrm, sse4_2_pcmpistr_cconly): Override prefix_data16
3915         and length_immediate to 1.
3916         (sse4_1_blendvp<ssemodesuffixf2c>): Override prefix_data16 to 1.
3917         (sse4_1_mpsadbw, sse4_1_pblendw): Override length_immediate to 1.
3918         (*avx_packusdw, avx_vtestp<avxmodesuffixf2c><avxmodesuffix>,
3919         avx_ptest256): Override prefix_extra to 1.
3920         (sse4_1_roundp<ssemodesuffixf2c>, sse4_1_rounds<ssemodesuffixf2c>):
3921         Override prefix_data16 and length_immediate to 1.
3922         (sse5_pperm_zero_v16qi_v8hi, sse5_pperm_sign_v16qi_v8hi,
3923         sse5_pperm_zero_v8hi_v4si, sse5_pperm_sign_v8hi_v4si,
3924         sse5_pperm_zero_v4si_v2di, sse5_pperm_sign_v4si_v2di,
3925         sse5_vrotl<mode>3, sse5_ashl<mode>3, sse5_lshl<mode>3): Override
3926         prefix_data16 to 0 and prefix_extra to 2.
3927         (sse5_rotl<mode>3, sse5_rotr<mode>3): Override length_immediate to 1.
3928         (sse5_frcz<mode>2, sse5_vmfrcz<mode>2): Don't override prefix_extra
3929         attribute.
3930         (*sse5_vmmaskcmp<mode>3, sse5_com_tf<mode>3,
3931         sse5_maskcmp<mode>3, sse5_maskcmp<mode>3, sse5_maskcmp_uns<mode>3):
3932         Override prefix_data16 and prefix_rep to 0, length_immediate to 1
3933         and prefix_extra to 2.
3934         (sse5_maskcmp_uns2<mode>3, sse5_pcom_tf<mode>3): Override
3935         prefix_data16 to 0, length_immediate to 1 and prefix_extra to 2.
3936         (*avx_aesenc, *avx_aesenclast, *avx_aesdec, *avx_aesdeclast,
3937         avx_vpermilvar<mode>3,
3938         avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>,
3939         avx_vbroadcastss256, avx_vbroadcastf128_p<avxmodesuffixf2c>256,
3940         avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>,
3941         avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>):
3942         Override prefix_extra to 1.
3943         (aeskeygenassist, pclmulqdq): Override length_immediate to 1.
3944         (*vpclmulqdq, avx_vpermil<mode>, avx_vperm2f128<mode>3,
3945         vec_set_lo_<mode>, vec_set_hi_<mode>, vec_set_lo_v16hi,
3946         vec_set_hi_v16hi, vec_set_lo_v32qi, vec_set_hi_v32qi): Override
3947         prefix_extra and length_immediate to 1.
3948         (*avx_vzeroall, avx_vzeroupper, avx_vzeroupper_rex64): Override
3949         modrm to 0.
3950         (*vec_concat<mode>_avx): Override prefix_extra and length_immediate
3951         to 1 for the first alternative.
3952         * config/i386/mmx.md (*mov<mode>_internal_rex64): Override
3953         prefix_rep, prefix_data16 and/or prefix_rex attributes in certain
3954         cases.
3955         (*mov<mode>_internal_avx, *movv2sf_internal_rex64,
3956         *movv2sf_internal_avx, *movv2sf_internal): Override
3957         prefix_rep attribute for certain alternatives.
3958         (*mov<mode>_internal): Override prefix_rep or prefix_data16
3959         attributes for certain alternatives.
3960         (*movv2sf_internal_rex64_avx): Override prefix_rep and length_vex
3961         attributes for certain alternatives.
3962         (*mmx_addv2sf3, *mmx_subv2sf3, *mmx_mulv2sf3,
3963         *mmx_<code>v2sf3_finite, *mmx_<code>v2sf3, mmx_rcpv2sf2,
3964         mmx_rcpit1v2sf3, mmx_rcpit2v2sf3, mmx_rsqrtv2sf2, mmx_rsqit1v2sf3,
3965         mmx_haddv2sf3, mmx_hsubv2sf3, mmx_addsubv2sf3,
3966         *mmx_eqv2sf3, mmx_gtv2sf3, mmx_gev2sf3, mmx_pf2id, mmx_pf2iw,
3967         mmx_pi2fw, mmx_floatv2si2, mmx_pswapdv2sf2, *mmx_pmulhrwv4hi3,
3968         mmx_pswapdv2si2): Set prefix_extra attribute to 1.
3969         (mmx_ashr<mode>3, mmx_lshr<mode>3, mmx_ashl<mode>3): Set
3970         length_immediate to 1 if operand 2 is const_int_operand.
3971         (*mmx_pinsrw, mmx_pextrw, mmx_pshufw_1, *vec_dupv4hi,
3972         *vec_extractv2si_1): Set length_immediate attribute to 1.
3973         (*mmx_uavgv8qi3): Override prefix_extra attribute to 1 if
3974         using old 3DNOW insn rather than SSE/3DNOW_A.
3975         (mmx_emms, mmx_femms): Clear modrm attribute.
3976
3977 2009-05-29  Martin Jambor  <mjambor@suse.cz>
3978
3979         * tree-sra.c:  New implementation of SRA.
3980
3981         * params.def (PARAM_SRA_MAX_STRUCTURE_SIZE): Removed.
3982         (PARAM_SRA_MAX_STRUCTURE_COUNT): Removed.
3983         (PARAM_SRA_FIELD_STRUCTURE_RATIO): Removed.
3984         * params.h (SRA_MAX_STRUCTURE_SIZE): Removed.
3985         (SRA_MAX_STRUCTURE_COUNT): Removed.
3986         (SRA_FIELD_STRUCTURE_RATIO): Removed.
3987         * doc/invoke.texi (sra-max-structure-size): Removed.
3988         (sra-field-structure-ratio): Removed.
3989
3990 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
3991
3992         PR middle-end/40291
3993         * builtins.c (expand_builtin_memcmp): Convert len to sizetype
3994         before expansion.
3995
3996 2009-05-29  Andrey Belevantsev  <abel@ispras.ru>
3997
3998         PR rtl-optimization/40101
3999         * sel-sched-ir.c (get_seqno_by_preds): Allow returning negative
4000         seqno.  Adjust comment.
4001         * sel-sched.c (find_seqno_for_bookkeeping): Assert that when 
4002         inserting bookkeeping before a jump, the jump is not scheduled.
4003         When no positive seqno found, provide a value.  Add comment.
4004
4005 2009-05-29  Richard Guenther  <rguenther@suse.de>
4006
4007         * tree-ssa-alias.c (nonaliasing_component_refs_p): Remove
4008         short-cutting on the first component.
4009
4010 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
4011
4012         PR middle-end/39958
4013         * omp-low.c (scan_omp_1_op): Call remap_type on TREE_TYPE
4014         for trees other than decls/types.
4015
4016 2009-05-29  Richard Guenther  <rguenther@suse.de>
4017
4018         * tree-ssa-operands.c (get_expr_operands): Do not handle
4019         INDIRECT_REFs in the handled-component case.  Remove
4020         unused get_ref_base_and_extent case.
4021         * tree-dfa.c (get_ref_base_and_extent): Avoid calling
4022         tree_low_cst and host_integerp where possible.
4023         * tree-ssa-structalias.c (equiv_class_label_eq): Check hash
4024         codes for equivalence.
4025         * dce.c (find_call_stack_args): Avoid redundant bitmap queries.
4026
4027 2009-05-29  David Billinghurst <billingd@gcc.gnu.org>
4028
4029         * config.gcc: Add i386/t-fprules-softfp and soft-fp/t-softfp
4030         to tmake_file for i[34567]86-*-cygwin*. 
4031
4032 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
4033
4034         PR target/40017
4035         * config/rs6000/rs6000-c.c (_Bool_keyword): New variable.
4036         (altivec_categorize_keyword, init_vector_keywords,
4037         rs6000_cpu_cpp_builtins): Define _Bool as conditional macro
4038         similar to bool.
4039
4040 2009-05-29  Kai Tietz  <kai.tietz@onevision.com>
4041
4042         * tree.c (handle_dll_attribute): Check if node is
4043         of kind FUNCTION_DECL for DECL_DECLARED_INLINE_P check.
4044
4045 2009-05-29  Richard Earnshaw  <rearnsha@arm.com>
4046
4047         * config/arm/thumb2.md (thumb2_zero_extendsidi2): Add a split
4048         component.
4049         (thumb2_zero_extendqidi2): Likewise.
4050
4051 2009-05-28  Kaz Kojima  <kkojima@gcc.gnu.org>
4052
4053         * config/sh/sh.c (sh_expand_t_scc): Use gen_xorsi3_movrt
4054         instead of gen_movrt.
4055         * config/sh/sh.md (movrt): Remove.
4056
4057 2009-05-28  Steve Ellcey  <sje@cup.hp.com>
4058
4059         * doc/invoke.texi (IA-64 Options):
4060         Add -msdata, -mfused-madd, -mno-inline-float-divide, 
4061         -mno-inline-int-divide, -mno-inline-sqrt, -msched-spec-ldc,
4062         -msched-spec-control-ldc, -msched-prefer-non-data-spec-insns,
4063         -msched-prefer-non-control-spec-insns,
4064         -msched-stop-bits-after-every-cycle,
4065         -msched-count-spec-in-critical-path,
4066         -msel-sched-dont-check-control-spec, -msched-fp-mem-deps-zero-cost
4067         -msched-max-memory-insns-hard-limit, -msched-max-memory-insns.
4068         Remove -mt, -pthread, -msched-ldc, -mno-sched-control-ldc,
4069         and -msched-spec-verbose.
4070
4071 2009-05-28  Joseph Myers  <joseph@codesourcery.com>
4072
4073         * config/arm/lib1funcs.asm (__clear_cache): Define if L_clear_cache.
4074         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define to give an
4075         error if used.
4076         * config/arm/t-linux-eabi (LIB1ASMFUNCS): Add _clear_cache.
4077
4078 2009-05-28  Richard Guenther  <rguenther@suse.de>
4079
4080         * tree-ssa-alias.c (ao_ref_init): New function.
4081         (ao_ref_base): Likewise.
4082         (ao_ref_base_alias_set): Likewise.
4083         (ao_ref_alias_set): Likewise.
4084         (refs_may_alias_p_1): Change signature.
4085         (refs_may_alias_p): Adjust.
4086         (refs_anti_dependent_p): Likewise.
4087         (refs_output_dependent_p): Likewise.
4088         (call_may_clobber_ref_p_1): Change signature.
4089         (call_may_clobber_ref_p): Adjust.
4090         (stmt_may_clobber_ref_p_1): New function split out from ...
4091         (stmt_may_clobber_ref_p): ... here.
4092         (maybe_skip_until): Adjust signature.
4093         (get_continuation_for_phi): Likewise.
4094         (walk_non_aliased_vuses): Likewise.
4095         * tree-ssa-alias.h (struct ao_ref_s): New structure type.
4096         (ao_ref_init): Declare.
4097         (ao_ref_base): Likewise.
4098         (ao_ref_alias_set): Likewise.
4099         (stmt_may_clobber_ref_p_1): Likewise.
4100         (walk_non_aliased_vuses): Adjust.
4101         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): New function.
4102         (get_ref_from_reference_ops): remove.
4103         (vn_reference_lookup_2): Adjust signature.
4104         (vn_reference_lookup_3): Do not re-build trees.  Handle unions.
4105         (vn_reference_lookup_pieces): Adjust signature, do not re-build trees.
4106         (vn_reference_lookup): Adjust.
4107         (vn_reference_insert): Likewise.
4108         (vn_reference_insert_pieces): Adjust signature.
4109         (visit_reference_op_call): Adjust.
4110         * tree-ssa-pre.c (get_expr_type): Simplify.
4111         (phi_translate_1): Adjust.
4112         (compute_avail): Likewise.
4113         (translate_vuse_through_block): Do not re-build trees.
4114         (value_dies_in_block_x): Likewise.
4115         * tree-ssa-sccvn.h (struct vn_reference_s): Add type and alias-set
4116         fields.
4117         (vn_reference_lookup_pieces): Adjust declaration.
4118         (vn_reference_insert_pieces): Likewise.
4119
4120 2009-05-28  Benjamin Kosnik  <bkoz@redhat.com>
4121
4122         * tree-ssa-copy.c (replace_exp_1): Move op for warning-free use
4123         with checking disabled.
4124
4125 2009-05-28  Dave Korn  <dave.korn.cygwin@gmail.com>
4126
4127         PR target/37216
4128
4129         * configure.ac (HAVE_GAS_ALIGNED_COMM):  Add autoconf test and
4130         macro definition for support of three-operand format aligned
4131         .comm directive in assembler on cygwin/pe/mingw target OS.
4132         * configure:  Regenerate.
4133         * config.h:  Regenerate.
4134
4135         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common):  Use
4136         aligned form of .comm directive if -mpe-aligned-commons is in effect.
4137         * config/i386/cygming.opt (-mpe-aligned-commons):  Add new option.
4138
4139         * doc/invoke.texi (-mpe-aligned-commons):  Document new target option.
4140         * doc/tm.texi (ASM_OUTPUT_COMMON):  Document zero size commons.
4141
4142 2009-05-28  Ira Rosen  <irar@il.ibm.com>
4143
4144         PR tree-optimization/40254
4145         * tree-data-ref.c (dr_analyze_innermost): Take POFFSET into account
4146         in analysis of basic blocks.
4147
4148 2009-05-28  Adam Nemet  <anemet@caviumnetworks.com>
4149
4150         PR middle-end/33699
4151         * target.h (struct gcc_target): Fix indentation.  Add const_anchor.
4152         * target-def.h (TARGET_CONST_ANCHOR): New macro.
4153         (TARGET_INITIALIZER): Use it.
4154         * cse.c (CHEAPER): Move it up to the other macros.
4155         (insert): Rename this ...
4156         (insert_with_costs): ... to this.  Add cost parameters.  Update
4157         function comment.
4158         (insert): New function.  Call insert_with_costs.
4159         (compute_const_anchors, insert_const_anchor, insert_const_anchors,
4160         find_reg_offset_for_const, try_const_anchors): New functions.
4161         (cse_insn): Call try_const_anchors.  Adjust cost of src_related
4162         when using a const-anchor.  Call insert_const_anchors.
4163         * config/mips/mips.c (mips_set_mips16_mode): Set targetm.const_anchor.
4164         * doc/tm.texi (Misc): Document TARGET_CONST_ANCHOR.
4165
4166 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
4167
4168         * tree-inline.c (remap_decls): Enable nonlocalized variables
4169         when not optimizing.
4170
4171 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
4172
4173         * tree-ssa-live.c (remove_unused_locals): Skip when not optimizing.
4174         Simplify other tests involving optimize.
4175
4176 2009-05-27  Tom Tromey  <tromey@redhat.com>
4177
4178         * unwind-dw2.c (_Unwind_DebugHook): New function.
4179         (uw_install_context): Call _Unwind_DebugHook.
4180
4181 2009-05-27  Tom Tromey  <tromey@redhat.com>
4182
4183         * system.h (CONST_CAST2): Use C++ const_cast when compiled as C++
4184
4185 2009-05-27  Ian Lance Taylor  <iant@google.com>
4186
4187         * Makefile.in (LINKER, LINKER_FLAGS): Define.
4188         (LINKER_FOR_BUILD, BUILD_LINKERFLAGS): Define.
4189         (ALL_LINKERFLAGS): Define.
4190         (xgcc$(exeext)): Change $(COMPILER) to $(LINKER).
4191         (cpp$(exeext), cc1-dummy$(exeext), cc1$(exeext)): Likewise.
4192         (collect2$(exeext), mips-tfile, mips-tdump): Likewise.
4193         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
4194         (build/gen%$(build_exeext)): Change $(COMPILER_FOR_BUILD) to
4195         $(LINKER_FOR_BUILD).
4196         (build/gcov-iov$(build_exeext)): Likewise.
4197
4198 2009-05-27  Julian Brown  <julian@codesourcery.com>
4199
4200         * gcse.c (target.h): Include.
4201         (can_assign_to_reg_without_clobbers_p): Check that the target allows
4202         copy of argument to a pseudo register.
4203
4204 2009-05-27  Diego Novillo  <dnovillo@google.com>
4205
4206         * tree-ssa-live.c (dump_scope_block): Document arguments.
4207         (dump_scope_blocks): Document.
4208         (debug_scope_blocks): New.
4209         * tree-flow.h (debug_scope_blocks): Declare.
4210
4211 2009-05-21  Denis Chertykov  <denisc@overta.ru>
4212
4213         * doc/contrib.texi (Contributors): Add myself to the list.
4214
4215 2009-05-27  Olivier Hainque  <hainque@adacore.com>
4216
4217         * expr.c (target_align): New function.  Alignment the TARGET of an
4218         assignment may be assume to have.
4219         (highest_pow2_factor_for_target): Use it instead of relying on
4220         immediate tree attributes of TARGET, not necessarily honored when
4221         intermediate bitfields are involved.
4222         
4223 2009-05-27  H.J. Lu  <hongjiu.lu@intel.com>
4224
4225         PR target/40266
4226         * config/i386/driver-i386.c (host_detect_local_cpu): Support
4227         AVX, SSE4, AES, PCLMUL and POPCNT.
4228
4229 2009-05-27  Diego Novillo  <dnovillo@google.com>
4230
4231         * tree-pretty-print.c (dump_location): New.
4232         (dump_generic_node): Call it.
4233         Factor code to handle BLOCK nodes ...
4234         (dump_block_node): ... here.
4235
4236 2009-05-27  Rafael Avila de Espindola  <espindola@google.com>
4237
4238         * Makefile.in (GCC_PLUGIN_H): New. Replace all uses of gcc-plugin.h
4239         with it.
4240         * doc/plugins.texi: Document that gcc-plugin.h must be the first to be
4241         included.
4242         * gcc-plugin.h: Include config.h and system.h.
4243         (IN_GCC): Define if not defined.
4244
4245 2009-05-27  Hans-Peter Nilsson  <hp@axis.com>
4246
4247         PR middle-end/40249
4248         * Makefile.in (CRTSTUFF_CFLAGS): Replace -fno-inline-functions
4249         with -fno-inline.
4250
4251 2009-05-27  Shujing Zhao  <pearly.zhao@oracle.com>
4252
4253         * config/m32r/m32r.c: Use REG_P, MEM_P and CONST_INT_P where
4254         applicable.
4255         * config/m32r/m32r.h: Ditto.
4256         * config/m32r/m32r.md: Ditto.
4257         * config/m32r/predicates.md: Ditto.
4258
4259 2009-05-27  Alexandre Oliva  <aoliva@redhat.com>
4260
4261         * cgraph.c (dump_cgraph_node): Honor -fdump-noaddr.
4262
4263 2009-05-26  Basile Starynkevitch  <basile@starynkevitch.net>
4264
4265         * doc/plugins.texi
4266         (Loading plugins): typo.
4267         (Plugin callbacks): Documented PLUGIN_INFO, PLUGIN_GGC_START,
4268         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
4269         (Interacting with the GCC Garbage Collector): Added new section.
4270         (Giving information about a plugin): Added new section for
4271         PLUGIN_INFO.
4272         * ggc.h (ggc_register_root_tab): Added declaration.
4273         * gcc-plugin.h (PLUGIN_GGC_START, PLUGIN_GGC_MARKING)
4274         (PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS): Added new events.
4275         (register_callback): Improved comment in declaration.
4276         * ggc-common.c (const_ggc_root_tab_t) Added new typedef for vectors.
4277         (extra_root_vec) Added static variable for dynamic roots registration.
4278         (ggc_register_root_tab) Added new routine.
4279         (ggc_mark_roots) Added iteration inside extra_root_vec, and invoke
4280         PLUGIN_GGC_MARKING event.
4281         * ggc-zone.c: Include plugin.h.
4282         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
4283         * ggc-page.c: Include plugin.h.
4284         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
4285         * plugin.c (plugin_event_name): added names of PLUGIN_GGC_START,
4286         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS
4287         (register_callback): check lack of callbacks for
4288         pseudo-events. Added handling of PLUGIN_REGISTER_GGC_ROOTS,
4289         PLUGIN_GGC_START, PLUGIN_GGC_MARKING, PLUGIN_GGC_END.
4290         (invoke_plugin_callbacks): Handle PLUGIN_GGC_START,
4291         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
4292         * Makefile.in (ggc-common.o, ggc-zone.o, ggc-page.o): Added
4293         dependency on plugin.h.
4294         (plugin.o): Added dependency on ggc.h...
4295
4296 2009-05-26  Richard Guenther  <rguenther@suse.de>
4297
4298         PR middle-end/40248
4299         Revert
4300         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
4301         with mismatched comparison modes.
4302
4303         * expr.c (expand_expr_real_1): Expand the operand of a
4304         VIEW_CONVERT_EXPR in its natural mode.
4305
4306 2009-05-26  Ian Lance Taylor  <iant@google.com>
4307
4308         * Makefile.in (COMPILER, COMPILER_FLAGS): Define.
4309         (COMPILER_FOR_BUILD, BUILD_COMPILERFLAGS): Define.
4310         (ALL_COMPILERFLAGS): Define.
4311         (.c.o, xgcc$(exeext), cpp$(exeext)): Use $(COMPILER).
4312         (cc1-dummy$(exeext), cc1$(exeext)): Likewise.
4313         (collect2$(exeext), collect2.o): Likewise.
4314         (c-opts.o, c-cppbuiltin.o, c-pch.o, gcc.o, gccspec.o): Likewise.
4315         (gcc-options.o, version.o, prefix.o, toplev.o): Likewise.
4316         ($(out_object_file), mips-tfile, mips-tdump): Likewise.
4317         (libbackend.o, intl.o, cppdefault.o): Likewise.
4318         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
4319         (build/%.o): Use $(COMPILER_FOR_BUILD).
4320         (build/gen%$(build_exeext)): Likewise.
4321         (build/gcov-iov$(build_exeext)): LIkewise.
4322         * config/t-darwin (darwin.o): Use $(COMPILER).
4323         (darwin-c.o, darwin-f.o, darwin-driver.o): Likewise.
4324         * config/t-sol2 (sol2-c.o): Likewise.
4325         (sol2.o): Likewise.
4326         * config/t-vxworks (vxworks.o): Likewise.
4327         * config/x-darwin (host-darwin.o): Likewise.
4328         * config/x-hpux (host-hpux.o): Likewise.
4329         * config/x-linux (host-linux.o): Likewise.
4330         * config/x-solaris (host-solaris.o): Likewise.
4331         * config/alpha/x-alpha (driver-alpha.o): Likewise.
4332         * config/arm/t-arm (arm-c.o): Likewise.
4333         * config/arm/t-pe (pe.o): Likewise.
4334         * config/arm/t-wince-pe (pe.o): Likewise.
4335         * config/i386/t-cygming (winnt.o): Likewise.
4336         (winnt-cxx.o, winnt-stubs.o, msformat-c.o): Likewise.
4337         * config/i386/t-cygwin (cygwin1.o): Likewise.
4338         (cygwin2.o): Likewise.
4339         * config/i386/t-i386 (i386-c.o): Likewise.
4340         * config/i386/t-interix (winnt.o): Likewise.
4341         * config/i386/t-netware (netware.o): Likewise.
4342         * config/i386/t-nwld (nwld.o): Likewise.
4343         * config/i386/x-darwin (host-i386-darwin.o): Likewise.
4344         * config/i386/x-i386 (driver-i386.o): Likewise.
4345         * config/i386/x-cygwin (host-cygwin.o): Likewise.
4346         * config/i386/x-mingw32 (host-mingw32.o): Likewise.
4347         * config/ia64/t-ia64 (ia64-c.o): Likewise.
4348         * config/m32c/t-m32c (m32c-pragma.o): Likewise.
4349         * config/mips/x-native (driver-native.o): Likewise.
4350         * config/rs6000/t-rs6000 (rs6000-c.o): Likewise.
4351         * config/rs6000/x-darwin (host-ppc-darwin.o): Likewise.
4352         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Likewise.
4353         * config/rs6000/x-rs6000 (driver-rs6000.o): Likewise.
4354         * config/score/t-score-elf (score7.o): Likewise.
4355         (score3.o): Likewise.
4356         * config/sh/t-sh (sh-c.o): Likewise.
4357         * config/sh/t-symbian (sh-c.o): Likewise.
4358         (symbian.o): Likewise.
4359         * config/spu/t-spu-elf (spu-c.o): Likewise.
4360         * config/v850/t-v850 (v850-c.o): Likewise.
4361         * config/v850/t-v850e (v850-c.o): Likewise.
4362
4363 2009-05-26  Richard Guenther  <rguenther@suse.de>
4364
4365         PR tree-optimization/40122
4366         * tree-ssa-ccp.c (ccp_fold): Fold vector CONSTRUCTORs to
4367         VECTOR_CSTs if possible.
4368         (fold_gimple_assign): Likewise.
4369
4370 2009-05-26  Richard Guenther  <rguenther@suse.de>
4371
4372         PR middle-end/40252
4373         * fold-const.c (fold_binary): Use the correct types for building
4374         rotates.
4375
4376 2009-05-26  Richard Guenther  <rguenther@suse.de>
4377
4378         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove
4379         redundant calls to merge_alias_info.
4380         (bump_vector_ptr): Likewise.
4381         * tree-ssa-copy.c (merge_alias_info): Remove.
4382         (replace_exp_1): Remove call to merge_alias_info.
4383         (propagate_tree_value): Likewise.
4384         (fini_copy_prop): Propagate points-to info.
4385         * tree-flow.h (merge_alias_info): Remove.
4386
4387 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
4388
4389         * config/picochip/picochip.C (PARAM_INLINE_CALL_COST): Remove.
4390
4391 2009-05-25  Jan Hubicka  <jh@suse.cz>
4392
4393         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
4394         * cgraph.h (struct inline_summary): New filed self_wize,
4395         size_inlining_benefit, self_time and time_inlining_benefit.
4396         (struct cgraph_global_info): Replace insns by time ans size fields.
4397         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
4398         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
4399         (ipcp_update_callgraph): Do not touch function bodies.
4400         * ipa-inline.c: Include except.h
4401         (MAX_TIME): New constant.
4402         (overall_insns): Remove.
4403         (leaf_node_p): New.
4404         (overall_size, max_benefit): New static variables.
4405         (cgraph_estimate_time_after_inlining): New function.
4406         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
4407         (cgraph_clone_inlined_nodes): Update size.
4408         (cgraph_mark_inline_edge): Update size.
4409         (cgraph_estimate_growth): Use size info.
4410         (cgraph_check_inline_limits): Check size.
4411         (cgraph_default_inline_p): Likewise.
4412         (cgraph_edge_badness): Compute badness based on benefit and size cost.
4413         (cgraph_decide_recursive_inlining): Check size.
4414         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
4415         and times.
4416         (cgraph_decide_inlining): Likewise.
4417         (cgraph_decide_inlining_incrementally): Likewise; honor
4418         PARAM_EARLY_INLINING_INSNS.
4419         (likely_eliminated_by_inlining_p): New predicate.
4420         (estimate_function_body_sizes): New function.
4421         (compute_inline_parameters): Use it.
4422         * except.c (must_not_throw_labels): New function.
4423         * except.h (must_not_throw_labels): Declare.
4424         * tree-inline.c (init_inline_once): Kill inlining_weigths
4425         * tree-ssa-structalias.c: Avoid uninitialized warning.
4426         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
4427         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
4428         (PARAM_INLINE_CALL_COST): Remove.
4429         (PARAM_EARLY_INLINING_INSNS): New.
4430
4431 2009-05-25  Richard Guenther  <rguenther@suse.de>
4432
4433         PR tree-optimization/36327
4434         * tree-ssa-alias.c (walk_non_aliased_vuses): Add second walker
4435         callback for reference translation or lookup at the point of may-defs.
4436         * tree-ssa-alias.h (walk_non_aliased_vuses): Adjust prototype.
4437         * tree-ssa-sccvn.c (get_ref_from_reference_ops): Bail out
4438         for union COMPONENT_REFs.
4439         (vn_reference_lookup_3): New callback.  Lookup from memset
4440         and CONSTRUCTOR assignment, translate through struct copies.
4441         (vn_reference_lookup_pieces): Make sure to not free the
4442         passed operands array.  Adjust walk_non_aliased_vuses call.
4443         (vn_reference_lookup): Adjust walk_non_aliased_vuses call,
4444         make sure we do not leak memory.
4445
4446 2009-05-25  Richard Guenther  <rguenther@suse.de>
4447
4448         * tree-ssa-alias.h (dump_points_to_solution): Declare.
4449         * tree-inline.c (expand_call_inline): Reset the escaped and
4450         callused solutions.
4451         * tree-ssa-structalias.c (pass_build_ealias): New.
4452         * tree-pass.h (pass_build_ealias): Declare.
4453         * passes.c (init_optimization_passes): Add PTA during 
4454         early optimizations.
4455         * tree-ssa-alias.c (dump_alias_info): Dump the ESCAPED
4456         and CALLUSED solutions.
4457         (dump_points_to_solution): New function, split out from ...
4458         (dump_points_to_info_for): ... here.
4459         * tree-parloops.c (parallelize_loops): Reset the escaped and
4460         callused solutions.
4461
4462 2009-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4463
4464         PR bootstrap/40027
4465         * config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing.
4466         * config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define.
4467
4468 2009-05-25  Ira Rosen  <irar@il.ibm.com>
4469
4470         PR tree-optimization/40238
4471         * tree-vect-stmts.c (vect_init_vector): Insert initialization
4472         statements after basic block's labels.
4473         * tree-vect-slp.c (vect_slp_transform_bb): Call destroy_bb_vec_info() 
4474         to free the allocated memory.
4475
4476 2009-05-24  Kaz Kojima  <kkojima@gcc.gnu.org>
4477
4478         * gcc/config/sh/sh.c (sh_set_return_address): Mark store of
4479         return address with a USE.
4480
4481 2009-05-24  Richard Guenther  <rguenther@suse.de>
4482
4483         PR middle-end/40233
4484         * tree.c (make_vector_type): Build the TYPE_DEBUG_REPRESENTATION_TYPEs
4485         array type from the main variant of the inner type.
4486
4487 2009-05-24  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4488
4489         * config/vax/vax-protos.h (legitimate_constant_address_p): Change
4490         definition to bool (from int) to un-break build.
4491         (legitimate_constant_p, vax_mode_dependent_address_p): Likewise.
4492
4493 2009-05-24  Paolo Bonzini  <bonzini@gnu.org>
4494
4495         * tree-ssa-operands.h (push_stmt_changes, pop_stmt_changes,
4496         discard_stmt_changes): Delete.
4497         * tree-ssa-operands.c (scb_stack): Delete.
4498         (init_ssa_operands): Do not initialize it.
4499         (fini_ssa_operands): Do not free it.
4500         (push_stmt_changes, pop_stmt_changes, discard_stmt_changes): Delete.
4501
4502         * tree-cfg.c (replace_uses_by): Replace pop_stmt_changes with 
4503         update_stmt, remove the others.  Fix comments.
4504         * tree-dfa.c (optimize_stack_restore): Likewise.
4505         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Likewise.
4506         * tree-ssa-loop-ivopts.c (rewrite_use): Likewise.
4507         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
4508         * tree-ssa-ccp.c (optimize_stack_restore, execute_fold_all_builtins):
4509         Likewise.
4510         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
4511         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
4512         (dom_opt_finalize_block): Likewise, adjusting access to
4513         stmts_to_rescan.
4514         (optimize_stmt): Likewise, adjusting access to stmts_to_rescan.
4515         (stmts_to_rescan): Change item type to gimple.
4516         (tree_ssa_dominator_optimize): Change type of stmts_to_rescan.
4517
4518 2009-05-24  Ira Rosen  <irar@il.ibm.com>
4519
4520         * doc/passes.texi (Tree-SSA passes): Document SLP pass.
4521         * tree-pass.h (pass_slp_vectorize): New pass.
4522         * params.h (SLP_MAX_INSNS_IN_BB): Define.
4523         * timevar.def (TV_TREE_SLP_VECTORIZATION): Define.
4524         * tree-vectorizer.c (timevar.h): Include.
4525         (user_vect_verbosity_level): Declare.
4526         (vect_location): Fix comment.
4527         (vect_set_verbosity_level): Update user_vect_verbosity_level
4528         instead of vect_verbosity_level.
4529         (vect_set_dump_settings): Add an argument. Ignore user defined
4530         verbosity if dump flags require higher level of verbosity. Print to
4531         stderr only for loop vectorization.
4532         (vectorize_loops): Update call to vect_set_dump_settings.
4533         (execute_vect_slp): New function.
4534         (gate_vect_slp): Likewise.
4535         (struct gimple_opt_pass pass_slp_vectorize): New.
4536         * tree-vectorizer.h (struct _bb_vec_info): Define along macros to
4537         access its members.
4538         (vec_info_for_bb): New function.
4539         (struct _stmt_vec_info): Add bb_vinfo and a macro for its access.
4540         (VECTORIZATION_ENABLED): New macro.
4541         (SLP_ENABLED, SLP_DISABLED): Likewise.
4542         (vect_is_simple_use): Add bb_vec_info argument.
4543         (new_stmt_vec_info, vect_analyze_data_ref_dependences,
4544         vect_analyze_data_refs_alignment, vect_verify_datarefs_alignment,
4545         vect_analyze_data_ref_accesses, vect_analyze_data_refs,
4546         vect_schedule_slp, vect_analyze_slp): Likewise.
4547         (vect_analyze_stmt): Add slp_tree argument.
4548         (find_bb_location): Declare.
4549         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
4550         * tree-vect-loop.c (new_loop_vec_info): Adjust function calls.
4551         (vect_analyze_loop_operations, vect_analyze_loop,
4552         get_initial_def_for_induction, vect_create_epilog_for_reduction,
4553         vect_finalize_reduction, vectorizable_reduction,
4554         vectorizable_live_operation, vect_transform_loop): Likewise.
4555         * tree-data-ref.c (dr_analyze_innermost): Update comment,
4556         skip evolution analysis if analyzing a basic block.
4557         (dr_analyze_indices): Likewise.
4558         (initialize_data_dependence_relation): Skip the test whether the
4559         object is invariant for basic blocks.
4560         (compute_all_dependences): Skip dependence analysis for data
4561         references in basic blocks.
4562         (find_data_references_in_stmt): Don't fail in case of invariant
4563         access in basic block.
4564         (find_data_references_in_bb): New function.
4565         (find_data_references_in_loop): Move code to
4566         find_data_references_in_bb and add a call to it.
4567         (compute_data_dependences_for_bb): New function.
4568         * tree-data-ref.h (compute_data_dependences_for_bb): Declare.
4569         * tree-vect-data-refs.c (vect_check_interleaving): Adjust to the case
4570         that STEP is 0.
4571         (vect_analyze_data_ref_dependence): Check for interleaving in case of
4572         unknown dependence in basic block and fail in case of dependence in
4573         basic block.
4574         (vect_analyze_data_ref_dependences): Add bb_vinfo argument, get data
4575         dependence instances from either loop or basic block vectorization
4576         info.
4577         (vect_compute_data_ref_alignment): Check if it is loop vectorization
4578         before calling nested_in_vect_loop_p.
4579         (vect_compute_data_refs_alignment): Add bb_vinfo argument, get data
4580         dependence instances from either loop or basic block vectorization
4581         info.
4582         (vect_verify_datarefs_alignment): Likewise.
4583         (vect_enhance_data_refs_alignment): Adjust function calls.
4584         (vect_analyze_data_refs_alignment): Likewise.
4585         (vect_analyze_group_access): Fix printing. Skip different checks if
4586         DR_STEP is 0. Keep strided stores either in loop or basic block
4587         vectorization data structure. Fix indentation.
4588         (vect_analyze_data_ref_access): Fix comments, allow zero step in
4589         basic blocks.
4590         (vect_analyze_data_ref_accesses): Add bb_vinfo argument, get data
4591         dependence instances from either loop or basic block vectorization
4592         info.
4593         (vect_analyze_data_refs): Update comment. Call
4594         compute_data_dependences_for_bb to analyze basic blocks.
4595         (vect_create_addr_base_for_vector_ref): Check for outer loop only in
4596         case of loop vectorization. In case of basic block vectorization use
4597         data-ref itself as a base.
4598         (vect_create_data_ref_ptr): In case of basic block vectorization:
4599         don't advance the pointer, add new statements before the current
4600         statement.  Adjust function calls.
4601         (vect_supportable_dr_alignment): Support only aligned accesses in
4602         basic block vectorization.
4603         * common.opt (ftree-slp-vectorize): New flag.
4604         * tree-vect-patterns.c (widened_name_p): Adjust function calls.
4605         (vect_pattern_recog_1): Likewise.
4606         * tree-vect-stmts.c (process_use): Likewise.
4607         (vect_init_vector): Add new statements in the beginning of the basic
4608         block in case of basic block SLP.
4609         (vect_get_vec_def_for_operand): Adjust function calls.
4610         (vect_finish_stmt_generation): Likewise.
4611         (vectorizable_call): Add assert that it is loop vectorization, adjust
4612         function calls.
4613         (vectorizable_conversion, vectorizable_assignment): Likewise.
4614         (vectorizable_operation): In case of basic block SLP, take
4615         vectorization factor from statement's type and skip the relevance
4616         check. Adjust function calls.
4617         (vectorizable_type_demotion): Add assert that it is loop
4618         vectorization, adjust function calls.
4619         (vectorizable_type_promotion): Likewise.
4620         (vectorizable_store): Check for outer loop only in case of loop
4621         vectorization. Adjust function calls. For basic blocks, skip the
4622         relevance check and don't advance pointers.
4623         (vectorizable_load): Likewise.
4624         (vectorizable_condition): Add assert that it is loop vectorization,
4625         adjust function calls.
4626         (vect_analyze_stmt): Add argument. In case of basic block SLP, check
4627         that it is not reduction, get vector type, call only supported
4628         functions, skip loop specific parts.
4629         (vect_transform_stmt): Check for outer loop only in case of loop
4630         vectorization.
4631         (new_stmt_vec_info): Add new argument and initialize bb_vinfo.
4632         (vect_is_simple_use): Fix comment, add new argument, fix conditions
4633         for external definition.
4634         * passes.c (pass_slp_vectorize): New pass.
4635         * tree-vect-slp.c (find_bb_location): New function.
4636         (vect_get_and_check_slp_defs): Add argument, adjust function calls,
4637         check for patterns only in loops.
4638         (vect_build_slp_tree): Add argument, adjust function calls, fail in
4639         case of multiple types in basic block SLP.
4640         (vect_mark_slp_stmts_relevant): New function.
4641         (vect_supported_load_permutation_p): Fix comment.
4642         (vect_analyze_slp_instance): Add argument. In case of basic block
4643         SLP, take vectorization factor from statement's type, check that
4644         unrolling factor is 1. Adjust function call. Save SLP instance in
4645         either loop or basic block vectorization structure. Return FALSE,
4646         if SLP failed.
4647         (vect_analyze_slp): Add argument. Get strided stores groups from
4648         either loop or basic block vectorization structure. Return FALSE
4649         if basic block SLP failed.
4650         (new_bb_vec_info): New function.
4651         (destroy_bb_vec_info, vect_slp_analyze_node_operations,
4652         vect_slp_analyze_operations, vect_slp_analyze_bb): Likewise.
4653         (vect_schedule_slp): Add argument. Get SLP instances from either
4654         loop or basic block vectorization structure. Set vectorization factor
4655         to be 1 for basic block SLP.
4656         (vect_slp_transform_bb): New function.
4657         * params.def (PARAM_SLP_MAX_INSNS_IN_BB): Define.
4658
4659 2009-05-23  Mark Mitchell  <mark@codesourcery.com>
4660
4661         * final.c (shorten_branches): Do not align labels for jump tables.
4662         (final_scan_insn): Use JUMP_TABLE_DATA_P.
4663
4664 2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>
4665
4666         * doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
4667         Remove outdated reference to flow.c and fix nits.
4668         * doc/gccint.texi: Tweak RTL description.
4669         * doc/rtl.texi: Likewise.
4670
4671 2009-05-23  Denis Chertykov  <chertykov@gmail.com>
4672
4673         * config/avr/avr.c: Change my email address.
4674         * config/avr/avr.h: Likewise.
4675         * config/avr/avr.md: Likewise.
4676         * config/avr/avr-protos.h: Likewise.
4677         * config/avr/libgcc.S: Likewise.
4678
4679 2009-05-22  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
4680
4681         * config/spu/spu-protos.h (aligned_mem_p, spu_valid_mov): Remove.
4682         (spu_split_load, spu_split_store): Change return type to int.
4683         (spu_split_convert): Declare.
4684         * config/spu/predicates.md (spu_mem_operand): Remove.
4685         (spu_mov_operand): Update.
4686         (spu_dest_operand, shiftrt_operator, extend_operator): Define.
4687         * config/spu/spu.c (regno_aligned_for_load): Remove.
4688         (reg_aligned_for_addr, spu_expand_load): Define.
4689         (spu_expand_extv): Reimplement and handle MEM.
4690         (spu_expand_insv): Handle MEM.
4691         (spu_sched_reorder): Handle insn's with length 0.
4692         (spu_legitimate_address_p): Reimplement.
4693         (store_with_one_insn_p): Return TRUE for any mode with size
4694         larger than 16 bytes.
4695         (address_needs_split): Define.
4696         (spu_expand_mov): Call spu_split_load and spu_split_store for MEM
4697         operands.
4698         (spu_convert_move): Define.
4699         (spu_split_load): Use spu_expand_load and change all MEM's to TImode.
4700         (spu_split_store): Change all MEM's to TImode.
4701         (spu_init_expanders): Preallocate registers that correspond to
4702         LAST_VIRTUAL_REG+1 and LAST_VIRTUAL_REG+2 and set them with
4703         mark_reg_pointer.
4704         (spu_split_convert): Define.
4705         * config/spu/spu.md (QHSI, QHSDI): New mode iterators.
4706         (_move<mode>, _movdi, _movti): Update predicate and condition.
4707         (load, store): Change to define_split.
4708         (extendqiti2, extendhiti2, extendsiti2, extendditi2): Simplify to
4709         extend<mode>ti2.
4710         (zero_extendqiti2, zero_extendhiti2, <v>lshr<mode>3_imm): Define.
4711         (lshr<mode>3, lshr<mode>3_imm, lshr<mode>3_re): Simplify to one
4712         define_insn_and_split of lshr<mode>3.
4713         (shrqbybi_<mode>, shrqby_<mode>): Simplify to define_expand.
4714         (<v>ashr<mode>3_imm): Define.
4715         (extv, extzv, insv): Allow MEM operands.
4716         (trunc_shr_ti<mode>, trunc_shr_tidi, shl_ext_<mode>ti,
4717         shl_ext_diti, sext_trunc_lshr_tiqisi, zext_trunc_lshr_tiqisi,
4718         sext_trunc_lshr_tihisi, zext_trunc_lshr_tihisi): Define for combine.
4719         (_spu_convert2): Change to define_insn_and_split and remove the
4720         corresponding define_peephole2.
4721         (stack_protect_set, stack_protect_test, stack_protect_test_si):
4722         Change predicates to memory_operand.
4723
4724 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
4725
4726         * config/arm/thumb2.md: Add 16-bit multiply instructions.
4727
4728 2009-05-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
4729
4730         PR tree-optimization/40219
4731         * tree.c (iterative_hash_expr): Make sure the builtin function is
4732         a normal builtin function and not a front end or back end builtin
4733         before indexing into the built_in_decls array.
4734
4735 2009-05-22  Richard Guenther  <rguenther@suse.de>
4736
4737         PR middle-end/38964
4738         * alias.c (write_dependence_p): Do not use TBAA for answering
4739         anti-dependence or output-dependence.
4740         * tree-ssa-structalias.c (set_uids_in_ptset): Remove TBAA pruning code.
4741         (emit_pointer_definition): Remove.
4742         (emit_alias_warning): Likewise.
4743         (find_what_var_points_to): Remove TBAA pruning code.
4744         (find_what_p_points_to): Likewise.  Do not warn about strict-aliasing
4745         violations.
4746         (compute_points_to_sets): Remove code computing the set of
4747         dereferenced pointers.
4748         * tree-data-ref.c (dr_may_alias_p): Properly use the split
4749         oracle for querying anti and output dependencies.
4750         * tree-ssa-alias.c (refs_may_alias_p_1): Add argument specifying
4751         if TBAA may be applied.
4752         (refs_anti_dependent_p): New function.
4753         (refs_output_dependent_p): Likewise.
4754         * tree-ssa-alias.h (refs_anti_dependent_p): Declare.
4755         (refs_output_dependent_p): Likewise.
4756         * doc/tree-ssa.texi (Memory model): New section.
4757         * doc/c-tree.texi (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
4758         * doc/gimple.texi (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
4759         * cfgexpand.c (expand_gimple_basic_block): Do not handle
4760         GIMPLE_CHANGE_DYNAMIC_TYPE or CHANGE_DYNAMIC_TYPE_EXPR.
4761         * expr.c (expand_expr_real_1): Likewise.
4762         * gimple-low.c (lower_stmt): Likewise.
4763         * gimple-pretty-print.c (dump_gimple_stmt): Likewise.
4764         (dump_gimple_cdt): Remove.
4765         * gimple.c (gss_for_code): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
4766         (gimple_size): Likewise.
4767         (walk_gimple_op): Likewise.
4768         (is_gimple_stmt): Likewise.
4769         (walk_stmt_load_store_addr_ops): Likewise.
4770         (gimple_build_cdt): Remove.
4771         * gimple.def (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
4772         * gimple.h (gimple_cdt_new_type): Remove.
4773         (gimple_cdt_new_type_ptr): Likewise.
4774         (gimple_cdt_set_new_type): Likewise.
4775         (gimple_cdt_location): Likewise.
4776         (gimple_cdt_location_ptr): Likewise.
4777         (gimple_cdt_set_location): Likewise.
4778         * gimplify.c (gimplify_expr): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
4779         * tree-cfg.c (remove_useless_stmts_1): Do not handle
4780         GIMPLE_CHANGE_DYNAMIC_TYPE.
4781         (verify_types_in_gimple_stmt): Likewise.
4782         * tree-inline.c (estimate_num_insns): Likewise.
4783         (expand_call_inline): Do not copy DECL_NO_TBAA_P.
4784         (copy_decl_to_var): Likewise.
4785         (copy_result_decl_to_var): Likewise.
4786         * tree-pretty-print.c (dump_generic_node): Do not handle
4787         CHANGE_DYNAMIC_TYPE_EXPR.
4788         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
4789         * tree-ssa-operands.c (get_expr_operands): Likewise.
4790         * tree-ssa-structalias.c (struct variable_info): Remove
4791         no_tbaa_pruning member.
4792         (new_var_info): Do not set it based on DECL_NO_TBAA_P.
4793         (unify_nodes): Do not copy it.
4794         (find_func_aliases): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
4795         (dump_solution_for_var): Do not dump no_tbaa_pruning state.
4796         (set_uids_in_ptset): Do not check it.
4797         (find_what_var_points_to): Likewise.
4798         (compute_tbaa_pruning): Remove.
4799         (compute_points_to_sets): Do not call it.
4800         * tree.c (walk_tree_1): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
4801         * tree.def (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
4802         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Remove.
4803         (CHANGE_DYNAMIC_TYPE_LOCATION): Likewise.
4804         (DECL_NO_TBAA_P): Likewise.
4805         (struct tree_decl_common): Move no_tbaa_flag to unused flags section.
4806         * omp-low.c (copy_var_decl): Do not copy DECL_NO_TBAA_P.
4807         (expand_omp_atomic_pipeline): Do not set it.
4808         * print-tree.c (print_node): Do not dump it.
4809         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
4810         redundant check.
4811
4812 2009-05-22 Vladimir Makarov <vmakarov@redhat.com>
4813
4814         PR target/39856
4815         * reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
4816         for clobber.
4817
4818 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
4819
4820         * tree.c (handle_dll_attribute): Mark dllexport'd inlines as
4821         non-external.
4822
4823 2009-05-22  Ben Elliston  <bje@au.ibm.com>
4824
4825         * Makefile.in (bversion.h, s-bversion): New targets.
4826         (TOPLEV_H): Add bversion.h.
4827         * toplev.h: Include "bversion.h".
4828         (ATTRIBUTE_GCC_DIAG): When building with checking disabled, use
4829         the __format__ attribute only if compiling with the same version
4830         of GCC as the sources (the "build version").
4831
4832 2009-05-22  Ben Elliston  <bje@au.ibm.com>
4833
4834         * c-format.c (handle_format_attribute): Fix comment typo.
4835
4836 2009-05-21  Steve Ellcey  <sje@cup.hp.com>
4837
4838         PR target/37846
4839         * config/ia64/ia64.opt (mfused-madd): New.
4840         * config/ia64/ia64.h (TARGET_DEFAULT): Set MASK_FUSED_MADD.
4841         * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
4842         * config/ia64/ia64.md (maddsf4, msubsf4, nmaddsf4,
4843         madddf4, madddf4_trunc, msubdf4, msubdf4_trunc, nmadddf4,
4844         nmadddf4_truncsf, maddxf4, maddxf4_truncsf, maddxf4_truncdf,
4845         msubxf4, msubxf4_truncsf msubxf4_truncdf, nmaddxf4,
4846         nmaddxf4_truncsf, nmaddxf4_truncdf): Check TARGET_FUSED_MADD.
4847         * config/ia64/vect.md (addv2sf3, subv2sf3): Force fpma/fpms 
4848         instruction if !TARGET_FUSED_MADD.
4849         (fpma, fpms): Remove colon from name.
4850
4851 2009-05-22  Richard Guenther  <rguenther@suse.de>
4852
4853         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
4854         TMR_ORIGINAL.  Always either record TMR_SYMBOL or TMR_BASE.
4855         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
4856         TARGET_MEM_REF.
4857         (create_expression_by_pieces): Only convert if necessary.
4858         * gimplify.c (gimplify_expr): Handle TARGET_MEM_REF.
4859         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle INTEGER_CST.
4860
4861 2009-05-21  Adam Nemet  <anemet@caviumnetworks.com>
4862
4863         * config/mips/mips.md (*extzv_trunc<mode>_exts): Turn into a
4864         regular pattern from a template and rename it ...
4865         (*extzv_truncsi_exts): ... to this.
4866
4867 2009-05-21  Richard Guenther  <rguenther@suse.de>
4868
4869         * cgraph.h (struct cgraph_node): Remove inline_decl member.
4870         * ipa-inline.c (cgraph_mark_inline_edge): Do not check it.
4871         (cgraph_default_inline_p): Likewise.
4872         (cgraph_decide_inlining_incrementally): Likewise.
4873
4874 2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
4875             Uros Bizjak  <ubizjak@gmail.com>
4876
4877         * config/i386/cpuid.h (bit_MOVBE): New.
4878
4879         * config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.
4880
4881         * config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
4882         (OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
4883         (ix86_handle_option): Handle OPT_mmovbe.
4884         (ix86_target_string): Add -mmovbe.
4885         (pta_flags): Add PTA_MOVBE.
4886         (processor_alias_table): Add PTA_MOVBE to "atom".
4887         (override_options): Handle PTA_MOVBE.
4888
4889         * config/i386/i386.h (TARGET_MOVBE): New.
4890
4891         * config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
4892         (*bswapsi_movbe): New.
4893         (*bswapdi_movbe): Likewise.
4894         (bswapdi2): Renamed to ...
4895         (*bswapdi_1): This.
4896         (bswapdi2): New expander.
4897
4898         * config/i386/i386.opt (mmovbe): New.
4899
4900         * doc/invoke.texi: Document -mmovbe.
4901
4902 2009-05-21  Taras Glek  <tglek@mozilla.com>
4903
4904         * plugin.c (try_init_one_plugin): Updated to new plugin_init API.
4905         * gcc-plugin.h (plugin_init): Updated signature.
4906         * gcc-plugin.h (plugin_name_args): Moved to this header.
4907         * doc/plugins.texi (plugin_init): Updated documention to reflect
4908         API change.
4909         * doc/plugins.texi (plugin_name_args): Added to documention.
4910
4911 2009-05-21  Mark Mitchell  <mark@codesourcery.com>
4912
4913         * config/arm/neon.md (*mul<mode>3add<mode>_neon): New pattern.
4914         (*mul<mode>3neg<mode>add<mode>_neon): Likewise.
4915
4916 2009-05-21  Shujing Zhao  <pearly.zhao@oracle.com>
4917
4918         * config/i386/i386.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P and
4919         JUMP_TABLE_DATA_P predicates where applicable.
4920         * config/i386/predicates.md: Ditto.
4921         * config/i386/sse.md: Ditto.
4922
4923 2009-05-21  Jakub Jelinek  <jakub@redhat.com>
4924
4925         * config/i386/i386.md (adddi_4_rex64, addsi_4, addhi_4): For
4926         operand2 -128 override length_immediate attribute to 1.
4927         * config/i386/predicates.md (constm128_operand): New predicate.
4928
4929         * config/i386/i386.c (memory_address_length): Handle %r12
4930         the same as %rsp and %r13 the same as %rbp.  For %rsp and %rbp
4931         also check REGNO.
4932         (ix86_attr_length_address_default): For MODE_SI lea in 64-bit
4933         mode look through optional ZERO_EXTEND and SUBREG.
4934         * config/i386/i386.md (R12_REG): New define_constant.
4935         (prefix_data16): For sse unit set also for MODE_TI insns.
4936         (prefix_rex): For -m32 always return 0.  For TYPE_IMOVX
4937         insns set if operand 1 is ext_QIreg_operand.
4938         (modrm): For TYPE_IMOV clear only if not MODE_DI.  For
4939         TYPE_{ALU{,1},ICMP,TEST} insn clear if there is non-shortened
4940         immediate.
4941         (*movdi_extzv_1, zero_extendhidi2, zero_extendqidi2): Change
4942         mode from MODE_DI to MODE_SI.
4943         (movdi_1_rex64): Override modrm and length_immediate attributes
4944         only for movabs (TYPE_IMOV, alternative 2).
4945         (zero_extendsidi2_rex64): Clear prefix_0f attribute if TYPE_IMOVX.
4946         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit,
4947         *float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit,
4948         *float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit,
4949         *float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Set
4950         prefix_rex attribute if DImode.
4951         (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, *adddi_5_rex64,
4952         *addsi_1, *addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
4953         *addsi_3_zext, *addsi_5, *addhi_1_lea, *addhi_1, *addhi_2, *addhi_3,
4954         *addhi_5, *addqi_1_lea, *addqi_1): Override length_immediate
4955         attribute to 1 if TYPE_ALU and operand 2 is const128_operand.
4956         (pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64):
4957         Likewise.  For TYPE_IMOV clear length_immediate attribute.
4958         (*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64,
4959         *ashlsi3_1, *ashlsi3_1_zext, *ashlsi3_cmp, **ashlsi3_cconly,
4960         *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp,
4961         *ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
4962         *ashlqi3_cconly): Override length_immediate attribute to 0 if TYPE_ALU
4963         or one operand TYPE_ISHIFT.
4964         (*ashrdi3_1_one_bit_rex64, *ashrdi3_one_bit_cmp_rex64,
4965         *ashrdi3_one_bit_cconly_rex64, *ashrsi3_1_one_bit,
4966         *ashrsi3_1_one_bit_zext, *ashrsi3_one_bit_cmp,
4967         *ashrsi3_one_bit_cconly, *ashrsi3_one_bit_cmp_zext,
4968         *ashrhi3_1_one_bit, *ashrhi3_one_bit_cmp, *ashrhi3_one_bit_cconly,
4969         *ashrqi3_1_one_bit, *ashrqi3_1_one_bit_slp, *ashrqi3_one_bit_cmp,
4970         *ashrqi3_one_bit_cconly, *lshrdi3_1_one_bit_rex64,
4971         *lshrdi3_cmp_one_bit_rex64, *lshrdi3_cconly_one_bit_rex64,
4972         *lshrsi3_1_one_bit, *lshrsi3_1_one_bit_zext, *lshrsi3_one_bit_cmp,
4973         *lshrsi3_one_bit_cconly, *lshrsi3_cmp_one_bit_zext,
4974         *lshrhi3_1_one_bit, *lshrhi3_one_bit_cmp, *lshrhi3_one_bit_cconly,
4975         *lshrqi3_1_one_bit, *lshrqi3_1_one_bit_slp, *lshrqi2_one_bit_cmp,
4976         *lshrqi2_one_bit_cconly, *rotlsi3_1_one_bit_rex64, *rotlsi3_1_one_bit,
4977         *rotlsi3_1_one_bit_zext, *rotlhi3_1_one_bit, *rotlqi3_1_one_bit_slp,
4978         *rotlqi3_1_one_bit, *rotrdi3_1_one_bit_rex64, *rotrsi3_1_one_bit,
4979         *rotrsi3_1_one_bit_zext, *rotrhi3_one_bit, *rotrqi3_1_one_bit,
4980         *rotrqi3_1_one_bit_slp): Override length_immediate attribute to 0,
4981         set mode attribute, don't override length attribute.
4982         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Set prefix_0f attribute
4983         to 1.
4984         (return_internal_long): Set length attribute to 2 instead of 1.
4985         (*strmovqi_rex_1, *strsetqi_rex_1, *rep_stosqi_rex64,
4986         *cmpstrnqi_nz_rex_1, *cmpstrnqi_rex_1, *strlenqi_rex_1): Clear
4987         prefix_rex attribute.
4988         * config/i386/predicates.md (ext_QIreg_operand, const128_operand):
4989         New predicates.
4990         (memory_displacement_only_operand): Always return 0 for TARGET_64BIT.
4991
4992 2009-05-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4993
4994         * config/arm/thumb2.md (orsi_notsi_si): Fix typo in pattern.
4995
4996 2009-05-20  Ian Lance Taylor  <iant@google.com>
4997
4998         * tree.c (build_tree_list_vec_stat): New function.
4999         (ctor_to_vec): New function.
5000         (build_nt_call_vec): New function.
5001         (build_call_array): Change args to be a const pointer.
5002         (build_call_vec): New function.
5003         * tree.h (build_nt_call_vec): Declare.
5004         (build_tree_list_vec_stat): Declare.
5005         (build_tree_list_vec): Define.
5006         (build_call_array): Update declaration.
5007         (build_call_vec): Declare.
5008         (ctor_to_vec): Declare.
5009         * c-common.c (tree_vector_cache): New static variable.
5010         (make_tree_vector): New function.
5011         (release_tree_vector): New function.
5012         (make_tree_vector_single): New function.
5013         (make_tree_vector_copy): New function.
5014         * c-common.h (tree_vector_cache, make_tree_vector): Declare.
5015         (make_tree_vector_single, make_tree_vector_copy): Declare.
5016         * c-parser.c (cached_expr_list_1, cached_expr_list_2): Remove.
5017         (c_parser_expr_list): Don't manage cache here, instead call
5018         make_tree_vector.
5019         (c_parser_release_expr_list): Remove static function.
5020         (c_parser_vec_to_tree_list): Remove static function.
5021         (c_parser_attributes): Call build_tree_list_vec instead of
5022         c_parser_vec_to_tree_list.  Call release_tree_vector instead of
5023         c_parser_release_expr_list.
5024         (c_parser_postfix_expression_after_primary): Likewise.
5025         (c_parser_objc_keywordexpr): Likewise.
5026
5027 2009-05-20  Sandra Loosemore  <sandra@codesourcery.com>
5028
5029         * doc/tm.texi (Misc): Document TARGET_INVALID_PARAMETER_TYPE,
5030         TARGET_INVALID_RETURN_TYPE, TARGET_PROMOTED_TYPE, and
5031         TARGET_CONVERT_TO_TYPE.
5032         * hooks.c (hook_tree_const_tree_null): Define.
5033         * hooks.h (hook_tree_const_tree_null): Declare.
5034         * target.h (struct gcc_target):  Add invalid_parameter_type,
5035         invalid_return_type, promoted_type, and convert_to_type fields.
5036         * target-def.h: (TARGET_INVALID_PARAMETER_TYPE): Define.
5037         (TARGET_INVALID_RETURN_TYPE): Define.
5038         (TARGET_PROMOTED_TYPE): Define.
5039         (TARGET_CONVERT_TO_TYPE): Define.
5040         (TARGET_INITIALIZER): Update for new fields.
5041         * c-decl.c (grokdeclarator): Check targetm.invalid_return_type.
5042         (grokparms): Check targetm.invalid_parameter_type.
5043         * c-typeck.c (default_conversion): Check targetm.promoted_type.
5044         * c-convert.c (convert): Check targetm.convert_to_type.
5045
5046 2009-05-20  Adam Nemet  <anemet@caviumnetworks.com>
5047
5048         * config/mips/mips.md (*extenddi_truncate<mode>,
5049         *extendsi_truncate<mode>): Emit exts if supported.  Add attribute
5050         defintions.
5051         (*extendhi_truncateqi): New define_insn_and_sptit.
5052
5053 2009-05-20  Jakub Jelinek  <jakub@redhat.com>
5054
5055         PR middle-end/40204
5056         * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
5057         recursion if build_int_cst_type returns the same INTEGER_CST as arg1.
5058
5059 2009-05-20  Eric Botcazou  <ebotcazou@adacore.com>
5060
5061         * fold-const.c (build_fold_addr_expr_with_type): Take the address of
5062         the operand of VIEW_CONVERT_EXPR.
5063
5064 2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>
5065
5066         * config/i386/driver-i386.c (host_detect_local_cpu): Check
5067         extended family and model for Intel processors.  Support Intel Atom.
5068
5069 2009-05-20  Olivier Hainque  <hainque@adacore.com>
5070
5071         * gstab.h (stab_code_type): Define, to be used instead of the
5072         __stab_debug_code enum, made anonymous.  Add 2009 to the copyright
5073         notice.
5074         * dbxout.c (STAB_CODE_TYPE): Remove #define and replace use
5075         occurrences by stab_code_type.
5076         * mips-tfile.c (STAB_CODE_TYPE): Remove #define, unused.
5077
5078 2009-05-20  Martin Jambor  <mjambor@suse.cz>
5079
5080         * tree-flow.h (insert_edge_copies_seq): Undeclare.
5081         (sra_insert_before): Likewise.
5082         (sra_insert_after): Likewise.
5083         (sra_init_cache): Likewise.
5084         (sra_type_can_be_decomposed_p): Likewise.
5085         * tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c
5086         * tree-sra.c (sra_type_can_be_decomposed_p): Made static.
5087         (sra_insert_before): Likewise.
5088         (sra_insert_after): Likewise.
5089         (sra_init_cache): Likewise.
5090         (insert_edge_copies_seq): Made static and moved upwards.
5091
5092         * tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch
5093         case.
5094
5095         * tree-flow-inline.h (contains_view_convert_expr_p): New function.
5096
5097         * ipa-prop.c (get_ssa_def_if_simple_copy): New function.
5098         (determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip
5099         simple copies.
5100
5101 2009-05-20  Richard Guenther  <rguenther@suse.de>
5102
5103         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
5104         with mismatched comparison modes.
5105
5106 2009-05-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5107
5108         * config/arm/arm.md (*arm_iorsi3): Refactored for only ARM.
5109         (peephole ior (reg, int) -> mov, ior): Refactored for only ARM.
5110         * config/arm/thumb2.md (*thumb_andsi_not_shiftsi_si): Allow bic
5111         with shifts for Thumb2.
5112         (orsi_notsi): New for orn.
5113         (*thumb_orsi_notshiftsi_si): Allow orn with shifts.
5114         (*thumb2_iorsi3): Rewrite support for iorsi for Thumb2.
5115         * config/arm/arm.c (const_ok_for_op): Split case for IOR for Thumb2.
5116         (arm_gen_constant): Set can_invert for IOR and Thumb2, Add comments.
5117         Don't invert remainder for IOR.
5118         
5119 2009-05-19  Zdenek Dvorak  <ook@ucw.cz>
5120
5121         PR tree-optimization/40087
5122         * tree-ssa-loop-niter.c (number_of_iterations_ne_max,
5123         number_of_iterations_ne): Rename never_infinite argument.
5124         (number_of_iterations_lt_to_ne, number_of_iterations_lt,
5125         number_of_iterations_le): Handle pointer-type ivs when
5126         exit_must_be_taken is false.
5127         (number_of_iterations_cond):  Do not always assume that
5128         exit_must_be_taken if the control variable is a pointer.
5129
5130 2009-05-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5131
5132         * c-typeck.c (build_binary_op): Allow % on integal vectors.
5133         * doc/extend.texi (Vector Extension): Document that % is allowed too.
5134
5135 2009-05-19  H.J. Lu  <hongjiu.lu@intel.com>
5136
5137         * config/i386/i386.c (ix86_avoid_jump_mispredicts): Check
5138         ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN.
5139
5140 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5141
5142         PR c/40172
5143         * c.opt (Wlogical-op): Disabled by default.
5144         * c-opt (c_common_post_options): Do not enable Wlogical-op with
5145         Wextra.
5146         * doc/invoke.texi (Wlogical-op): Likewise.
5147         
5148 2009-05-19  Eric Botcazou  <ebotcazou@adacore.com>
5149
5150         * tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn
5151         into CASE_CONVERT.
5152         <PLUS_EXPR>: Strip useless type conversions instead of type nops.
5153         Propagate the type of the first operand.
5154         <ASSERT_EXPR>: Simplify.
5155         (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type.
5156         Rewrite using the RHS code as discriminant.
5157         <NOP_EXPR>: Turn into CASE_CONVERT.
5158         <PLUS_EXPR>: Propagate the type of the first operand.
5159
5160 2009-05-19  Steve Ellcey  <sje@cup.hp.com>
5161
5162         * config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
5163         (ia64_dconst_0_375): New.
5164         * config/ia64/ia64.c (ia64_override_options): Remove
5165         -minline-sqrt-min-latency warning.
5166         (ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
5167         (ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
5168         * config/ia64/ia64.md (*sqrt_approx): Remove.
5169         (sqrtsf2): Remove #if 0.
5170         (sqrtsf2_internal_thr): Rewrite and move to div.md.
5171         (sqrtdf): Remove assert.
5172         (sqrtdf2_internal_thr): Rewrite and move to div.md.
5173         (sqrtxf2): Remove #if 0.
5174         (sqrtxf2_internal_thr): Rewrite and move to div.md.
5175         * div.md (sqrt_approx_rf): New.
5176         (sqrtsf2_internal_thr): New implementation.
5177         (sqrtsf2_internal_lat): New.
5178         (sqrtdf2_internal_thr: New implementation.
5179         (sqrtxf2_internal): New implementation.
5180
5181 2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
5182             Hans-Peter Nilsson  <hp@axis.com>
5183
5184         * defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE)
5185         (WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE)
5186         (INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE)
5187         (INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE)
5188         (UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE)
5189         (INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE)
5190         (UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE)
5191         (INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE)
5192         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE)
5193         (SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here...
5194         * c-common.c: ...from here.
5195
5196 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5197
5198         * c-common.c (warn_logical_operator): Remove unnecessary conditionals.
5199
5200 2009-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5201
5202         * builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types.
5203
5204 2009-05-19  Ben Elliston  <bje@au.ibm.com>
5205
5206         * unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning
5207         assignments with memcpy calls.
5208         (add_fdes): Likewise.
5209         (binary_search_unencoded_fdes): Likewise.
5210         (linear_search_fdes): Eliminate type puns.
5211         
5212 2009-05-19  Richard Guenther  <rguenther@suse.de>
5213
5214         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
5215         not falsely claim to have propagated into all uses.
5216
5217 2009-05-19  Ben Elliston  <bje@au.ibm.com>
5218
5219         * doc/invoke.texi (C Dialect Options): Update OpenMP specification
5220         version to v3.0.
5221
5222 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
5223
5224         * config/sh/sh-protos.h (sh_legitimate_address_p): Remove.
5225         * config/sh/sh.c (sh_legitimate_address_p): Make static.
5226         (TARGET_LEGITIMATE_ADDRESS_P): New.
5227         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5228         * config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
5229         
5230 2009-05-18  Dodji Seketeli  <dodji@redhat.com>
5231
5232         PR debug/40109
5233         * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
5234         child of the containing namespace's DIE.
5235
5236 2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>
5237
5238         * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
5239         *zero_extendhi_truncqi):  Move after the zero_extend patterns.
5240         (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
5241         extend patterns.
5242
5243 2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>
5244
5245         PR target/39942
5246         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
5247         gen_align with gen_pad.
5248         (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
5249         #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.
5250
5251         * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
5252         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
5253
5254         * config/i386/i386.md (align): Renamed to ...
5255         (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
5256         ASM_OUTPUT_MAX_SKIP_PAD.
5257
5258 2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>
5259
5260         * config.gcc: Fix variable syntax.
5261
5262         PR target/39531
5263         * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
5264         before calling exact_log2.
5265         (output_iorsi3): Likewise.
5266         (output_xorsi3): Likewise.
5267
5268 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
5269
5270         * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
5271         for the none zero constant operand except for EQ and NE
5272         comprisons even when the first operand is R0.
5273
5274 2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>
5275
5276         * config/s390/2064.md: Remove trailing whitespaces.
5277         * config/s390/2084.md: Likewise.
5278         * config/s390/constraints.md: Likewise.
5279         * config/s390/fixdfdi.h: Likewise.
5280         * config/s390/libgcc-glibc.ver: Likewise.
5281         * config/s390/s390-modes.def: Likewise.
5282         * config/s390/s390-protos.h: Likewise.
5283         * config/s390/s390.c: Likewise.
5284         * config/s390/s390.h: Likewise.
5285         * config/s390/s390.md: Likewise.
5286         * config/s390/tpf-unwind.h: Likewise.
5287
5288 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
5289
5290         * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.
5291
5292 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
5293
5294         M68K TLS support.
5295         * configure.ac (m68k-*-*): Check if binutils support TLS.
5296         * configure: Regenerate.
5297         * config/m68k/predicates.md (symbolic_operand): Extend comment.
5298         * config/m68k/constraints.md (Cu): New constraint.
5299         * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
5300         (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
5301         (movsi): Handle TLS symbols.
5302         (addsi3_5200): Handle XTLS symbols, indent.
5303         * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
5304         (m68k_tls_reference_p): Declare.
5305         (m68k_legitimize_address): Declare.
5306         (m68k_unwrap_symbol): Declare.
5307         * config/m68k/m68k.opt (mxtls): New option.
5308         * config/m68k/m68k.c (ggc.h): Include.
5309         (m68k_output_dwarf_dtprel): Implement hook.
5310         (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
5311         (m68k_expand_prologue): Load GOT pointer when function needs it.
5312         (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
5313         (m68k_legitimate_constant_address_p): Same.
5314         (m68k_decompose_address): Handle TLS references.
5315         (m68k_get_gp): New static function.
5316         (enum m68k_reloc): New contants.
5317         (TLS_RELOC_P): New macro.
5318         (m68k_wrap_symbol): New static function.
5319         (m68k_unwrap_symbol): New function.
5320         (m68k_final_prescan_insn_1): New static function.
5321         (m68k_final_prescan_insn): New function.
5322         (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
5323         functions.
5324         (legitimize_pic_address): Handle TLS references..
5325         (m68k_tls_get_addr, m68k_get_tls_get_addr)
5326         (m68k_libcall_value_in_a0_p)
5327         (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
5328         (m68k_call_m68k_read_tp): Helper variables and functions for ...
5329         (m68k_legitimize_tls_address): Handle TLS references.
5330         (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
5331         New functions.
5332         (m68k_legitimize_address): Handle TLS symbols.
5333         (m68k_get_reloc_decoration): New static function.
5334         (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
5335         UNSPEC_RELOC32.
5336         (m68k_output_dwarf_dtprel): Implement hook.
5337         (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
5338         (m68k_libcall_value): Return result in A0 instead of D0 when asked by
5339         m68k_call_* routines.
5340         (sched_attr_op_type): Handle TLS symbols.
5341         (gt-m68k.h): Include.
5342         * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
5343         (LEGITIMATE_PIC_OPERAND_P): Support TLS.
5344
5345 2009-05-18  Martin Jambor  <mjambor@suse.cz>
5346
5347         * ipa-prop.c (ipa_check_stmt_modifications): Removed.
5348         (visit_store_addr_for_mod_analysis): New function.
5349         (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
5350         (determine_cst_member_ptr): Use gimple_assign_single_p.
5351         (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
5352         (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
5353         operands.  Don't check number of operands of a NOP_EXPR.
5354
5355 2009-05-18  Eric Fisher  <joefoxreal@gmail.com>
5356
5357         * doc/tree-ssa.texi (SSA Operands): Fix a mistake.
5358
5359 2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5360
5361         PR c/40172
5362         * c-common.c (warn_logical_operator): Don't warn if one of
5363         expression isn't always true or false.
5364
5365 2009-05-17  Kai Tietz  <kai.tietz@onevision.com>
5366
5367         * config/i386/biarch32.h: New file.
5368         * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.
5369
5370 2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>
5371
5372         * config/mips/mips.md (*zero_extend<mode>_trunchi,
5373         *zero_extend<mode>_truncqi): Merge these into ...
5374         (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
5375         Name the pattern following this as *zero_extendhi_truncqi.
5376
5377 2009-05-16  Brad Lucier  <lucier@math.purdue.edu>
5378
5379         PR middle-end/39301
5380         * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
5381         * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
5382         (output_info): Make field HOST_WIDEST_INT.
5383         (print_statistics): Use HOST_WIDEST_INT_PRINT.
5384         (dump_bitmat_statistics): Same.
5385
5386 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>
5387
5388         * config.gcc (use_gcc_stdint):  Set to wrap.
5389         * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
5390         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
5391         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5392         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
5393         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
5394         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
5395         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5396         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
5397
5398 2009-05-16  Joseph Myers  <joseph@codesourcery.com>
5399
5400         * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
5401         tune_64.
5402         * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
5403         Move definitions earlier.
5404         (OPT_ARCH64, OPT_ARCH32): Define.
5405         (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
5406         and tune_64.
5407
5408 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
5409
5410         PR target/40153
5411         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
5412         implies.
5413
5414 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
5415
5416         * arm.md (movdi2): Copy non-reg values to DImode registers.
5417
5418 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
5419
5420         PR target/39942
5421         * final.c (label_to_max_skip): New function.
5422         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
5423         CODE_LABEL_NUMBER <= max_labelno.
5424         * output.h (label_to_max_skip): New prototype.
5425         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
5426         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
5427         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
5428         Handle CODE_LABELs with >= 16 byte alignment or with
5429         max_skip == (1 << align) - 1.
5430         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
5431         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
5432
5433         PR target/39942
5434         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
5435         .p2align 3 if MAX_SKIP is smaller than 7.
5436         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
5437
5438 2009-05-15  Ian Lance Taylor  <iant@google.com>
5439
5440         * alias.c (struct alias_set_entry_d): Rename from struct
5441         alias_set_entry.  Change all uses.
5442         * except.c (struct call_site_record_d): Rename from struct
5443         call_site_record.  Change all uses.
5444         * except.h (struct eh_region_d): Rename from struct eh_region.
5445         Change all uses.
5446         * gcse.c (struct hash_table_d): Rename from struct hash_table.
5447         Change all uses.
5448         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
5449         ivtype_map_elt.  Change all uses.
5450         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
5451         Change all uses.
5452         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
5453         * graphite.h (struct name_tree_d): Rename from struct name_tree.
5454         Change all uses.
5455         (struct sese_d): Rename from struct sese.  Change all uses.
5456         * omega.h (struct eqn_d): Rename from struct eqn.  Change all uses.
5457         (struct omega_pb_d): Rename from struct omega_pb.  Change all uses.
5458         * optabs.h (struct optab_d): Rename from struct optab.  Change all
5459         uses.
5460         (struct convert_optab_d): Rename from struct convert_optab.
5461         Change all uses.
5462         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
5463         ipa_opt_pass.  Change all uses.
5464         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
5465         all uses.
5466
5467         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
5468         defined as a typedef.
5469         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
5470         defined as a tag.
5471
5472 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5473
5474         PR 16302
5475         * fold-const.c (make_range,build_range_check,merge_ranges): Move
5476         declaration to...
5477         (merge_ranges): Returns bool. 
5478         * tree.h (make_range): .. to here.
5479         (build_range_check): Likewise.
5480         (merge_ranges): Likewise. Renamed from merge_ranges.
5481         * c-typeck.c (parser_build_binary_op): Update calls to
5482         warn_logical_operator.
5483         * c-common.c (warn_logical_operator): Add new warning.
5484         * c-common.h (warn_logical_operator): Update declaration.
5485         
5486 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5487
5488         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong conditional.
5489         
5490 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5491
5492         * doc/install.texi: Document MPC requirements, flags etc.
5493
5494         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
5495         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
5496         Evaluate constant arguments.
5497         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
5498         (fold_builtin_1): Likewise, also evaluate constant arguments.
5499         Remove superfluous break.
5500         (do_mpc_ckconv): New.
5501         * real.h: Include mpc.h.
5502         * toplev.c (print_version): Output MPC version info if available.
5503
5504 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
5505
5506         * fold-const.c (fold_convert_const_real_from_real): Check for overflow.
5507
5508 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5509
5510         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
5511         only once.
5512
5513 2009-05-15  Jan Hubicka  <jh@suse.cz>
5514
5515         * doc/invoke.texi (max-early-inliner-iterations): New flag.
5516         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
5517         (try_inline): Fix return value.
5518         (cgraph_decide_inlining_incrementally): Honor new value.
5519         (cgraph_early_inlining): Handle indirect inlining.
5520         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
5521
5522 2009-05-15  Jan Hubicka  <jh@suse.cz>
5523
5524         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
5525         * cgraphunit.c (cgraph_finalize_function): Set it.
5526         (cgraph_expand_function): Use it.
5527
5528 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
5529
5530         * real.c (encode_ieee_half): Define.
5531         (decode_ieee_half): Define.
5532         (ieee_half_format): Define.
5533         (arm_half_format): Define.
5534         * real.h (ieee_half_format): Declare.
5535         (arm_half_format): Declare.
5536
5537 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
5538
5539         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
5540         swapped, and reversed optabs exist before trying to use them.
5541
5542 2009-05-15  Paul Brook  <paul@codesourcery.com>
5543             Sandra Loosemore  <sandra@codesourcery.com>
5544
5545         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
5546         loads.  Allow PRE_DEC.
5547         (output_move_neon): Handle PRE_DEC.
5548         (arm_print_operand): Add 'A' for neon structure loads.
5549         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
5550         * config/arm/neon.md (neon_mov): Update comment.
5551         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
5552         calls.
5553         (Um): New constraint.
5554
5555 2009-05-15  Jan Hubicka  <jh@suse.cz>
5556
5557         Revert the following patch until testsuite fallout is fixed:
5558         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
5559         * cgraph.h (struct inline_summary): New filed self_wize,
5560         size_inlining_benefit, self_time and time_inlining_benefit.
5561         (struct cgraph_global_info): Replace insns by time ans size fields.
5562         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
5563         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
5564         (ipcp_update_callgraph): Do not touch function bodies.
5565         * ipa-inline.c: Include except.h
5566         (MAX_TIME): New constant.
5567         (overall_insns): Remove
5568         (overall_size, max_benefit): New static variables.
5569         (cgraph_estimate_time_after_inlining): New function.
5570         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
5571         (cgraph_clone_inlined_nodes): Update size.
5572         (cgraph_mark_inline_edge): Update size.
5573         (cgraph_estimate_growth): Use size info.
5574         (cgraph_check_inline_limits): Check size.
5575         (cgraph_default_inline_p): Likewise.
5576         (cgraph_edge_badness): Compute badness based on benefit and size cost.
5577         (cgraph_decide_recursive_inlining): Check size.
5578         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
5579         and times.
5580         (cgraph_decide_inlining): Likewise.
5581         (cgraph_decide_inlining_incrementally): Likewise; honor
5582         PARAM_EARLY_INLINING_INSNS.
5583         (likely_eliminated_by_inlining_p): New predicate.
5584         (estimate_function_body_sizes): New function.
5585         (compute_inline_parameters): Use it.
5586         * except.c (must_not_throw_labels): New function.
5587         * except.h (must_not_throw_labels): Declare.
5588         * tree-inline.c (init_inline_once): Kill inlining_weigths
5589         * tree-ssa-structalias.c: Avoid uninitialized warning.
5590         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
5591         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
5592         (PARAM_INLINE_CALL_COST): Remove.
5593         (PARAM_EARLY_INLINING_INSNS): New.
5594
5595 2009-05-15  Richard Guenther  <rguenther@suse.de>
5596
5597         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
5598         not TODO_update_ssa.
5599
5600 2009-05-15  Richard Guenther  <rguenther@suse.de>
5601
5602         PR tree-optimization/39999
5603         * gimple.h (gimple_expr_type): Use the expression type looking
5604         through useless conversions.
5605         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
5606         (vn_nary_op_insert_stmt): Likewise.
5607         (simplify_binary_expression): Likewise.
5608
5609 2009-05-15  Richard Guenther  <rguenther@suse.de>
5610
5611         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
5612         New options, enabled by default.
5613         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
5614         Document.
5615         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
5616         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
5617         * tree-ssa-structalias.c (gate_tree_pta): New function.
5618         (pass_build_alias): Use it.
5619
5620 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
5621
5622         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
5623         recurse on an invariant address if a conversion from a pointer
5624         type to a wider integer type is involved.
5625
5626 2009-05-15  Jan Hubicka  <jh@suse.cz>
5627
5628         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
5629         * cgraph.h (struct inline_summary): New filed self_wize,
5630         size_inlining_benefit, self_time and time_inlining_benefit.
5631         (struct cgraph_global_info): Replace insns by time ans size fields.
5632         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
5633         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
5634         (ipcp_update_callgraph): Do not touch function bodies.
5635         * ipa-inline.c: Include except.h
5636         (MAX_TIME): New constant.
5637         (overall_insns): Remove
5638         (overall_size, max_benefit): New static variables.
5639         (cgraph_estimate_time_after_inlining): New function.
5640         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
5641         (cgraph_clone_inlined_nodes): Update size.
5642         (cgraph_mark_inline_edge): Update size.
5643         (cgraph_estimate_growth): Use size info.
5644         (cgraph_check_inline_limits): Check size.
5645         (cgraph_default_inline_p): Likewise.
5646         (cgraph_edge_badness): Compute badness based on benefit and size cost.
5647         (cgraph_decide_recursive_inlining): Check size.
5648         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
5649         and times.
5650         (cgraph_decide_inlining): Likewise.
5651         (cgraph_decide_inlining_incrementally): Likewise; honor
5652         PARAM_EARLY_INLINING_INSNS.
5653         (likely_eliminated_by_inlining_p): New predicate.
5654         (estimate_function_body_sizes): New function.
5655         (compute_inline_parameters): Use it.
5656         * except.c (must_not_throw_labels): New function.
5657         * except.h (must_not_throw_labels): Declare.
5658         * tree-inline.c (init_inline_once): Kill inlining_weigths
5659         * tree-ssa-structalias.c: Avoid uninitialized warning.
5660         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
5661         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
5662         (PARAM_INLINE_CALL_COST): Remove.
5663         (PARAM_EARLY_INLINING_INSNS): New.
5664         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
5665         (inline-call-cost): Remove.
5666         (early-inlining-insns): New.
5667
5668 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
5669
5670         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
5671         for bounds.
5672         (print_int_cst_bounds_in_octal_p): Likewise.
5673         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
5674         with subtypes.
5675         * dwarf2out.c (base_type_die): Likewise.
5676         (is_subrange_type): Delete.
5677         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
5678         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
5679         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it
5680         if the destination type is boolean.
5681         (build_range_check): Do not special-case subtypes.
5682         (fold_sign_changed_comparison): Likewise.
5683         (fold_unary): Likewise.
5684         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
5685         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
5686         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
5687         * tree.c (subrange_type_for_debug_p): New predicate based on the
5688         former is_subrange_type.
5689         * tree.h (subrange_type_for_debug_p): Declare.
5690         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
5691         (convert_affine_scev): Remove call to above function.
5692         (chrec_convert_aggressive): Likewise.
5693         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
5694         false for conversions involving subtypes.
5695         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
5696         (vrp_val_min): Likewise.
5697         (needs_overflow_infinity): Likewise.
5698         (extract_range_from_unary_expr): Likewise.
5699
5700 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
5701
5702         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
5703         * config/frv/frv.c: Likewise.
5704         * config/s390/s390.c: Likewise.
5705         * config/sparc/sparc.h: Likewise.
5706         * config/i386/i386.h: Likewise.
5707         * config/i386/i386.c: Likewise.
5708         * config/crx/crx.c: Likewise.
5709         * config/m68hc11/m68hc11.h: Likewise.
5710         * config/iq2000/iq2000.c: Likewise.
5711         * config/mn10300/mn10300.h: Likewise.
5712         * config/mn10300/mn10300.c: Likewise.
5713         * config/m68k/m68k.c: Likewise.
5714         * config/rs6000/rs6000.c: Likewise.
5715         * config/rs6000/xcoff.h: Likewise.
5716         * config/rs6000/linux64.h: Likewise.
5717         * config/rs6000/sysv4.h: Likewise.
5718         * config/score/score3.c: Likewise.
5719         * config/score/score7.c: Likewise.
5720         * config/score/score.c: Likewise.
5721         * config/arm/arm.md: Likewise.
5722         * config/mips/mips.c: Likewise.
5723         * config/mips/mips.md: Likewise.
5724         * config/bfin/bfin.h: Likewise.
5725         * config/pa/pa.c: Likewise.
5726         * config/pa/constraints.md: Likewise.
5727
5728         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
5729         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
5730         * config/pdp11/pdp11.h: Use memory_address_p instead.
5731
5732 2009-05-14  Ian Lance Taylor  <iant@google.com>
5733
5734         * passes.c (finish_optimization_passes): Change i to int.
5735         * plugin.c (plugins_active_p): Change event to int.
5736         (dump_active_plugins): Likewise.
5737         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
5738         Add cast.
5739         * tree.c (tree_range_check_failed): Change c to unsigned int.
5740         (omp_clause_range_check_failed): Likewise.
5741         (build_common_builtin_nodes): Change mode to int.  Add cast.
5742         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
5743         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
5744
5745         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
5746         ++ or -- with a variable of enum type.
5747
5748 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
5749
5750         PR driver/40144
5751         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
5752
5753 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
5754
5755         * store-motion.c: Do not include params.h
5756         * Makefile.in: Fix dependencies for various files.
5757
5758 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
5759
5760         * auto-inc-dec.c: Fix pass description, remove apparent
5761         accidental duplication.
5762
5763 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
5764
5765         PR middle-end/40147
5766         * ipa-utils.h (memory_identifier_string): Moved to ...
5767         * tree.h (memory_identifier_string): Here.  Add GTY(()).
5768
5769 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
5770
5771         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
5772         in the former documentation of...
5773         (GO_IF_LEGITIMATE_ADDRESS): ... this.
5774         * ira-conflicts.c (get_dup_num): Use address_operand.
5775         * targhooks.c (default_legitimate_address_p): New.
5776         * targhooks.h (default_legitimate_address_p): New.
5777         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
5778         Call hook.
5779         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
5780         * target.h (struct target): Add legitimate_address_p.
5781         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
5782         (TARGET_INITIALIZER): Include it.
5783
5784         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5785         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
5786         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
5787         (TARGET_LEGITIMATE_ADDRESS_P): New.
5788
5789         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5790         (REG_OK_STRICT_P): Delete.
5791         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
5792         (frv_legitimate_address_p_1): ... this.
5793         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
5794         (frv_legitimate_address_p_1): ... the renamed old
5795         frv_legitimate_address_p.
5796         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
5797         (TARGET_LEGITIMATE_ADDRESS_P): New.
5798
5799         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5800         * config/s390/s390-protos.h (legitimate_address_p): Remove.
5801         * config/s390/s390.c (legitimate_address_p): Rename to...
5802         (s390_legitimate_address_p): ... this, make static.
5803         (legitimize_address): Adjust call.
5804         (TARGET_LEGITIMATE_ADDRESS_P): New.
5805         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
5806
5807         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5808         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
5809         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
5810         (TARGET_LEGITIMATE_ADDRESS_P): New.
5811
5812         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5813         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
5814         * config/spu/spu.c (spu_legitimate_address): Rename to...
5815         (spu_legitimate_address_p): ... this, make static.
5816         (TARGET_LEGITIMATE_ADDRESS_P): New.
5817
5818         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5819         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
5820         * config/sparc/sparc.c (legitimate_address_p): Rename to...
5821         (sparc_legitimate_address_p): ... this, make static and return bool.
5822         (legitimize_address): Adjust call.
5823         (TARGET_LEGITIMATE_ADDRESS_P): New.
5824
5825         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5826         * config/i386/i386-protos.h (legitimate_address_p): Remove.
5827         * config/i386/i386.c (legitimate_address_p): Rename to...
5828         (ix86_legitimate_address_p): ... this, make static.
5829         (constant_address_p): Move after it, adjust call.
5830         (TARGET_LEGITIMATE_ADDRESS_P): New.
5831
5832         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5833         * config/avr/avr-protos.h (legitimate_address_p): Remove.
5834         * config/avr/avr.c (legitimate_address_p): Rename to...
5835         (avr_legitimate_address_p): ... this, make static.
5836         (legitimize_address): Adjust call.
5837         (TARGET_LEGITIMATE_ADDRESS_P): New.
5838
5839         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5840         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
5841         * config/crx/crx.c (crx_legitimate_address_p): Make static.
5842         (TARGET_LEGITIMATE_ADDRESS_P): New.
5843
5844         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5845         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
5846         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
5847         (TARGET_LEGITIMATE_ADDRESS_P): New.
5848
5849         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5850         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
5851         Remove.
5852         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
5853         Make static.
5854         (TARGET_LEGITIMATE_ADDRESS_P): New.
5855
5856         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5857         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
5858         Remove.
5859         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
5860         Rename to...
5861         (m68hc11_legitimate_address_p): ... this, make static.
5862         (go_if_legitimate_address_internal): Rename to...
5863         (m68hc11_legitimate_address_p_1): ... this.
5864         (legitimize_address): Adjust call.
5865         (TARGET_LEGITIMATE_ADDRESS_P): New.
5866
5867         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5868         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p): Remove.
5869         * config/iq2000/iq2000.c (iq2000_legitimate_address_p): Make static.
5870         (TARGET_LEGITIMATE_ADDRESS_P): New.
5871
5872         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5873         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
5874         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
5875         (mn10300_legitimate_address_p): ... this, make static.
5876         (TARGET_LEGITIMATE_ADDRESS_P): New.
5877
5878         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5879         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
5880         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
5881         (TARGET_LEGITIMATE_ADDRESS_P): New.
5882
5883         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5884         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
5885         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
5886         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5887         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
5888         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
5889         (rs6000_legitimate_address_p): ... this, make static.
5890         (TARGET_LEGITIMATE_ADDRESS_P): New.
5891         (REG_MODE_OK_FOR_BASE_P): Delete.
5892         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
5893
5894         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5895         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
5896         Delete.
5897         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
5898         static, adjust types.
5899         (TARGET_LEGITIMATE_ADDRESS_P): New.
5900
5901         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5902         * config/score/score.c (score_address_p): Rename to...
5903         (score_legitimate_address_p): ... this.
5904         (TARGET_LEGITIMATE_ADDRESS_P): New.
5905         * config/score/score3.c (score3_address_p): Rename to...
5906         (score3_legitimate_address_p): ... this.
5907         * config/score/score7.c (score7_address_p): Rename to...
5908         (score7_legitimate_address_p): ... this.
5909
5910         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
5911         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
5912         GO_IF_LEGITIMATE_ADDRESS): Delete.
5913         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
5914         thumb2_legitimate_address_p): Delete.
5915         (arm_legitimate_address_p): Rename to...
5916         (arm_legitimate_address_outer_p): ... this.
5917         * config/arm/constraints.md ("Uq"): Adjust call.
5918         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
5919         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one
5920         to...
5921         (arm_legitimate_address_outer_p): ... this.
5922         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make
5923         static.
5924         (TARGET_LEGITIMATE_ADDRESS_P): New.
5925
5926         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5927         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
5928         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
5929         (TARGET_LEGITIMATE_ADDRESS_P): New.
5930
5931         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5932         * config/vax/vax-protos.h (legitimate_address_p): Remove.
5933         * config/vax/vax.c (legitimate_address_p): Rename to...
5934         (vax_legitimate_address_p): ... this, make static.
5935         (TARGET_LEGITIMATE_ADDRESS_P): New.
5936
5937         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5938         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
5939         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
5940         (TARGET_LEGITIMATE_ADDRESS_P): New.
5941
5942         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5943         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
5944         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
5945         (mmix_legitimate_address_p): ... this, make static.
5946         (TARGET_LEGITIMATE_ADDRESS_P): New.
5947
5948         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
5949         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
5950         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
5951         (TARGET_LEGITIMATE_ADDRESS_P): New.
5952
5953 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
5954
5955         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
5956         of MODE_COMPLEX_INT.
5957
5958 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5959
5960         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
5961         LCT_NORMAL in function call.
5962         * mips-tdump.c (print_file_desc): Add cast to enum type.
5963         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
5964         (mark_stabs): Add casts to enum types.
5965         (parse_stabs_common): Add casts to enum types.
5966
5967 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
5968
5969         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
5970         Check for invalid values of LETTER.
5971
5972 2009-05-13  Taras Glek  <tglek@mozilla.com>
5973
5974         * attribs.c (register_attribute): moved out attribute registration
5975         into register_attribute.
5976         * doc/plugins.texi: Documented register_attribute and
5977         PLUGIN_ATTRIBUTES.
5978         * gcc-plugin.h: Added forward decl for register_attribute.
5979         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
5980         * plugin.c (register_callback, invoke_plugin_callbacks): Added
5981         PLUGIN_ATTRIBUTES boilerplate.
5982
5983 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
5984
5985         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
5986         values even in sentinel and empty entries.
5987         (ms_printf_flag_specs):  Likewise.
5988         (ms_scanf_flag_specs):  Likewise.
5989         (ms_strftime_flag_specs):  Likewise.
5990         (ms_print_char_table):  Likewise.
5991         (ms_scan_char_table):  Likewise.
5992         (ms_time_char_table):  Likewise.
5993
5994 2009-05-13  Doug Kwan  <dougkwan@google.com>
5995
5996         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
5997
5998 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
5999
6000         * config/mips/mips.md (store): Add attributes for QI and HI.
6001         Update comment.
6002         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
6003         (truncdi<mode>2): ... this new pattern.
6004
6005 2009-05-13  Brad Hards  <bradh@kde.org>
6006
6007         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
6008
6009 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
6010             Ben Elliston <bje@au.ibm.com>
6011
6012         PR middle-end/40035
6013         * dse.c (check_mem_read_rtx): Guard against width == -1.
6014
6015 2009-05-13  Michael Matz  <matz@suse.de>
6016
6017         PR middle-end/39976
6018         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
6019         (trivially_conflicts_p): New function.
6020         (insert_backedge_copies): Use it.
6021
6022 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
6023
6024         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
6025         (handle_stdc_pragma): Use new enum constant names.
6026         (handle_pragma_float_const_decimal64): Ditto.
6027
6028 2009-05-13  Ian Lance Taylor  <iant@google.com>
6029
6030         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
6031         tree.def.
6032
6033 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
6034
6035         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
6036         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
6037         multilibs.
6038         * config/m68k/m68k.h (FL_UCLINUX): Define.
6039
6040 2009-05-13  Jan Hubicka  <jh@suse.cz>
6041
6042         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
6043
6044 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
6045
6046         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
6047         unless -fschedule-insns is specified.
6048
6049 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
6050
6051         PR target/39561
6052         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
6053         TARGET_EXPAND_CBRANCHDI4.
6054         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
6055         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
6056         (cmpeqdi): Fix comment.
6057
6058 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
6059
6060         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
6061         (sh_legitimate_address_p): Likewise.
6062         * config/sh/sh.c (sh_legitimate_index_p): New.
6063         (sh_legitimate_address_p): Likewise.
6064         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
6065         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
6066         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
6067         (MAYBE_BASE_REGISTER_RTX_P): New macro.
6068         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
6069         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
6070         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
6071         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
6072         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
6073
6074 2009-05-12  Jan Hubicka  <jh@suse.cz>
6075
6076         * tree-inline.c (estimate_operator_cost): Add operands;
6077         when division happens by constant, it is cheap.
6078         (estimate_num_insns): Loads and stores are not having cost of 0;
6079         EH magic stuff is cheap; when computing runtime cost of switch,
6080         use log2 base of amount of its cases; builtin_expect has cost of 0;
6081         compute cost for moving return value of call.
6082         (init_inline_once): Initialize time_based flags.
6083         * tree-inline.h (eni_weights_d): Add time_based flag.
6084
6085 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
6086
6087         * df-core.c: Update head documentation.
6088
6089 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
6090
6091         PR bootstrap/40118
6092         * rs6000.c (rs6000_generate_compare): Use op1b instead of
6093         shadowing exisiting variable op1.
6094
6095 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
6096
6097         PR target/37179
6098         * config/i386/driver-i386.c (processor_signatures): New enum.
6099         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
6100         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
6101         processor signature to detect geode processor.
6102
6103 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
6104
6105         Revert:
6106
6107         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
6108
6109         * optabs.c (prepare_cmp_insn): Temporarily disable test that
6110         causes spurious differences between trunk and cond-optab branch.
6111
6112 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
6113
6114         * dojump.c (compare_from_rtx): Delete.
6115         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
6116         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
6117         if the comparison does not satisfy the predicate; test predicates for
6118         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
6119         further if one existing pattern fails.
6120         * expr.h (compare_from_rtx): Delete.
6121         (prepare_operand): Declare it.
6122         * optabs.c: Change "lib call" to "libcall" throughout.
6123         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
6124         HAVE_conditional_trap, emit_cmp_insn): Delete.
6125         (can_compare_p): Delete cmp_optab case.
6126         (prepare_float_lib_cmp): Return an rtx and a machine mode.
6127         Accept other parameters by value.
6128         (prepare_operand): Make non-static.
6129         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
6130         other parameters by value.  Try to widen operands here based on
6131         an optab_methods argument and looking at cbranch_optab.
6132         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
6133         loop.  Use cbranch_optab directly.
6134         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
6135         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
6136         assertion.
6137         (emit_conditional_move, emit_conditional_add): Inline what's needed
6138         of compare_from_rtx, using new prepare_cmp_insn for the rest.
6139         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
6140         with COMPARE.  Move cmov_optab and cstore_optab above
6141         with cbranch_optab, move cmp_optab down with ucmp_optab,
6142         remove tst_otpab.  Do not initialize trap_rtx.
6143         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
6144         for trap code.  Do not check HAVE_conditional_trap.  Use
6145         prepare_cmp_insn.  Accept no predicate for operand 3.
6146         * optabs.h (OTI_cmp): Mark as used only for libcalls.
6147         (OTI_ctrap, ctrap_optab): New.
6148         (tst_optab): Delete.
6149         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
6150         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
6151         with lookup of ctrap_optab.
6152         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn, setcc_gen_code):
6153         Delete.
6154         (ctrap_optab): New.
6155
6156         * combine.c (combine_simplify_rtx, simplify_set): Do not
6157         special case comparing against zero for cc0 machines.
6158         * simplify-rtx.c (simplify_binary_operation_1): Never remove
6159         COMPARE on cc0 machines.
6160         (simplify_relational_operation): Return a new expression when
6161         a COMPARE could be removed.
6162         * final.c (final_scan_insn): Compare cc_status values
6163         against LHS of a (compare FOO (const_int 0)) cc0 source.
6164         Also check if cc_status.value is the full compare.
6165
6166         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
6167         (cstoreMM4): Document.
6168         (conditional_trap): Document ctrapMM4 instead.
6169         (sync_compare_and_swapMM): Refer to cbranchcc4.
6170         (Dependent Patterns): Eliminate obsolete information referring to
6171         the old jump optimization phase.
6172         (Canonicalization): Include cbranchcc4 case, omit canonicalization
6173         of compares with 0 on cc0 machines.
6174         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
6175         avoiding references to cc0.  Remove text about storing operands
6176         in cmpMM.
6177         * doc/tm.texi (Condition Codes): Include blurb on different
6178         condition code representations, separate into subsections for
6179         CC0, MODE_CC and conditional execution.
6180
6181         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
6182         alpha_emit_setcc): Accept operands and a machine mode.
6183         * config/alpha/alpha.c (alpha_emit_conditional_branch):
6184         Get code/op0/op1 from operands, use machine mode argument
6185         instead of alpha_compare.fp_p.  Emit the branch here.
6186         (alpha_emit_setcc): Likewise, and return boolean.
6187         (alpha_emit_conditional_move): Likewise.  Assert that
6188         cmp_op_mode == cmp_mode, and simplify accordingly.
6189         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
6190         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
6191         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
6192         Delete.
6193         (stack probe test): Use cbranchdi4.
6194         * config/alpha/predicates.md (alpha_cbranch_operator): New.
6195
6196         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
6197         * config/arc/arc.h (movsicc, movsfcc): Use it.
6198         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
6199         (cbranchsi4, cstoresi4): New.
6200         (cmpsi, bCC and sCC expanders): Remove. 
6201
6202         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
6203         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
6204         * config/arm/predicates.md (arm_comparison_operator): Only include
6205         floating-point operators if there is a hardware floating-point unit.
6206         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
6207         deferring to cbranch_cc and cstore_cc respectively.
6208         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
6209         cbranch_cc, cstore_cc): New.
6210         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
6211         arm_compare_op1.
6212         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
6213
6214         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
6215         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
6216         as an argument.
6217         (adjust_insn_length): Adjust calls.
6218         (avr_reorg): Handle (compare (foo) (const_int 0)).
6219         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
6220         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
6221         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
6222         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
6223         (bCC): Remove.
6224         (cbranchqi4, cbranchhi4, cbranchsi4): New.
6225         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
6226
6227         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
6228         (cbranchsi4, cstorebi4, cstoresi4): New.
6229         (movbisi): This insn is duplicate, split it to zero_extend.
6230         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
6231         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
6232         (bfin_optimize_loop): Use cbranch expander.
6233         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
6234         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
6235         (bfin_bimode_comparison_operator): ... this.
6236         (bfin_direct_comparison_operator): New.
6237  
6238         * config/cris/cris.c (cris_normal_notice_update_cc): Look
6239         inside (compare FOO (const_int 0)).
6240         (cris_rtx_costs): Handle ZERO_EXTRACT.
6241         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
6242         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
6243         (*tstdi_v32): Delete.
6244         (*cmpdi_non_v32): Add M alternative for operand 1.
6245         (cmpsi, cmp<mode>): Make private.
6246         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
6247         with COMPARE.
6248         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
6249
6250         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
6251         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
6252         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
6253         (cc_reg_operand): New.
6254         (any_cond): Delete.
6255         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
6256         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
6257         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
6258         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
6259         crx_expand_scond): Delete.
6260
6261         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
6262         (cbranchsi4): New.
6263         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
6264         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
6265
6266         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
6267         cstoresi4, cstoresf4, cstoredf4): New.
6268         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
6269         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
6270         Receive the entire operands array.
6271         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
6272         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
6273         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
6274         Get test/op0/op1 from the operands array.
6275         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
6276
6277         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
6278         (h8300_expand_store): New.
6279         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
6280         (const_int 0)).
6281         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
6282         (h8300_expand_store): New.
6283         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
6284         or do not try to produce (set (cc0) REG).
6285         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
6286         change a compare into a move to a scratch register.  Disable some
6287         peepholes when comparing with zero.
6288         (tstsi, tsthi, tstsi, cmpqi): Make private.
6289         (cmphi): Delete.
6290         (bCC, sCC): Delete.
6291         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
6292         cstoresi4): New.
6293
6294         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
6295         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
6296         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
6297         (ix86_emit_i387_log1p): Use cbranchxf2.
6298         (ix86_expand_setcc): Return void.
6299         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
6300         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
6301         cmp<MODEF>, cmpcc): Remove.
6302         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
6303         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
6304         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
6305         (sCC and bCC expanders): Remove.
6306         (stack_protect_test): Use cbranchcc4.
6307
6308         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
6309         Delete.
6310         (ia64_expand_compare): Accept three rtx by reference and return void.
6311         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
6312         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
6313         from *expr.  Update *expr with the BImode comparison to do.
6314         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
6315         cmptf, bCC, sCC, conditional_trap): Delete.
6316         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
6317         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
6318         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
6319         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
6320         * config/ia64/predicates.md (ia64_cbranch_operator): New.
6321
6322         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
6323         type of last argument.
6324         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
6325         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
6326         use machine mode argument instead of branch_type.  Remove dead
6327         code for floating-point comparisons.
6328         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
6329         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
6330         Remove.
6331         (cbranchsi4, cstoresi4): New.
6332         * config/iq2000/predicates.md (reg_or_const_operand): New.
6333
6334         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
6335         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
6336         (b<code>_op): Rewrite to...
6337         (bcc_op): ... this, using match_operator.
6338         (s<code>_op): Rewrite to...
6339         (scc_op): ... this, using match_operator.
6340         (s<code>_24_op): Rewrite to...
6341         (scc_op_24): ... this, using match_operator.
6342         (s<code>_<mode>): Rewrite to...
6343         (cstore<mode>4): ... this, using match_operator.
6344         (s<code>_<mode>_24): Rewrite to...
6345         (cstore<mode>4_24): ... this, using match_operator.
6346         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
6347         m32c_unpend_compare, m32c_expand_scc): Delete.
6348         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
6349         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
6350         (m32c_expand_movcc): Change NE to EQ if necessary.
6351         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
6352
6353         * config/m32r/m32r-protos.h (gen_cond_store): New.
6354         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
6355         (gen_cond_store): New, from sCC patterns.
6356         (m32r_expand_block_move): Use cbranchsi4.
6357         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
6358         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
6359         (cbranchsi4, cstoresi4): New.
6360         
6361         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
6362         Delete.
6363         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
6364         (m68hc11_notice_update_cc): Look into a compare with 0.
6365         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
6366         Delete.
6367         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
6368         cmphi, cmpqi, bCC): Delete.
6369         (cbranchsi4, cbranchhi4, cbranchqi4): New.
6370         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
6371         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
6372         sets with COMPARE.
6373
6374         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
6375         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
6376         * config/m68k/constraints.md (H): New.
6377         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
6378         the define_insn below.
6379         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
6380         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
6381         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
6382         patterns): Wrap RHS with COMPARE.
6383         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
6384         (*cmpdi_internal): Name this pattern.
6385         (cmpdi): Change to define_insn.
6386         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
6387         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
6388         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
6389         predicate.
6390         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
6391         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
6392         (conditional_trap): Change to...
6393         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
6394         (*conditional_trap): Use the ordered_comparison_operator and
6395         const1_operand predicates.
6396         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
6397         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
6398         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
6399         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
6400
6401         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
6402         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
6403         (mcore_gen_compare): New. 
6404         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
6405         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
6406         (mcore_gen_compare): ... this.
6407         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
6408         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
6409         (stack probe pattern): Use cbranchsi4.
6410
6411         * config/mips/predicates.md (mips_cstore_operator): New.
6412         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
6413         * config/mips/mips.md (any_cond): Delete.
6414         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
6415         always succeed.
6416         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
6417         fixuns_truncsfdi2): Use cbranch patterns.
6418         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
6419         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
6420         Adjust call to mips_expand_conditional_branch.
6421         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
6422         cstore<GPR:mode>4.
6423         * config/mips/mips-protos.h (mips_expand_conditional_branch,
6424         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
6425         * config/mips/mips.c (cmp_operands): Delete.
6426         (mips_emit_compare): Get comparison operands from *op0/*op1.
6427         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
6428         that it succeeds.  Use op0/op1 instead of cmp_operands.
6429         (mips_expand_conditional_branch, mips_expand_conditional_move,
6430         mips_expand_conditional_trap): Likewise.
6431         (mips_block_move_loop): Use cbranch patterns. 
6432         * config/mips/mips.h (cmp_operands): Delete.
6433
6434         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
6435         (mmix_gen_compare_reg): Just return a register in the right CC mode.
6436         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
6437         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
6438         (*cmpcc_folded): Rename to...
6439         (*cmpdi_folded): this.
6440         (*cmpcc): Rename to...
6441         (*cmps): ... this.
6442         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
6443         (bCC): Remove.
6444         (cbranchdi4): New.
6445         (cbranchdf4): New.  Handle invalid comparisons here.
6446         * config/mmix/predicates.md (float_comparison_operator): New.
6447
6448         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
6449         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
6450         * config/mn10300/mn10300.md (tst): Delete.
6451         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
6452         Name these patterns and wrap RHS in a compare.
6453         (*cmpsi): Make this pattern private.  Include tst.
6454         (*cmpsf): Make this pattern private.
6455         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
6456         (compare with zero peepholes): Likewise.
6457         (bCC): Remove.
6458         (cbranchsi4, cbranchsf4): New.
6459         (casesi): Use cbranchsi4.
6460
6461         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
6462         hppa_branch_type): Delete.
6463         (return_addr_rtx): Use cbranchsi4.
6464         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
6465         Emit CCFPmode comparison here.
6466         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
6467         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
6468         hppa_branch_type): Delete.
6469         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
6470         (movsicc, movdicc): Remove references to hppa_compare_op0,
6471         hppa_compare_op1 and compare_from_rtx.
6472         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
6473         (casesi): Use cbranchsi4.
6474
6475         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
6476         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
6477         * config/pdp11/pdp11.md (register_or_const0_operand): New.
6478         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
6479         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
6480         (bCC): Delete.
6481         (cbranchdf4, cbranchhi4, cbranchqi4): New.
6482         (*branch, *branch_inverted): New.
6483
6484         * config/picochip/picochip.md (cbranchhi4): Use
6485         ordered_comparison_operator.
6486         (cmphi, bCC): Remove.
6487
6488         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
6489         (trap_comparison_operator): Delete.
6490         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
6491         rs6000_emit_cbranch): Accept mode and operands.
6492         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
6493         rs6000_compare_fp_p): Delete.   
6494         (rs6000_generate_compare): Accept mode and comparison.  Extract code
6495         and op0/op1 from there.  Replace references to rs6000_compare_op0
6496         and rs6000_compare_op1.
6497         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
6498         extract result from passed operands.
6499         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
6500         extract loc from passed operands.
6501         (rs6000_emit_cmove): Likewise.
6502         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
6503         rs6000_compare_fp_p): Delete.
6504         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
6505         (cbranch<GPR>4, cbranch<FP>4): New.
6506         (cstore<mode>4): New.  Consolidate here all choices about when to use
6507         portable or specialized sCC sequences.
6508         (stack_protect_test): Use cbranchsi4.
6509         (conditional_trap): Replace with ctrap<GPR>4.
6510         (conditional trap insn): Replace trap_comparison_operator with
6511         ordered_comparison_operator. 
6512
6513         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
6514         (s390_emit_prologue): Use ctrap.
6515         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
6516         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
6517         New predicates replacing...
6518         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
6519         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
6520         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
6521         (add<mode>cc): Do not use s390_compare_op0/op1.
6522         (s<code>): Change to...
6523         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
6524         (seq): Change to...
6525         (cstorecc4): ... this.  Handle EQ or NE equally.
6526         (*sne): Un-privatize for use in cstorecc4.
6527         (b<code>): Change to...
6528         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
6529         (conditional_trap): Replace with...
6530         (ctrap<GPR>4, ctrap<FP>4): ... these.
6531         (stack_protect): Use cbranchcc4.
6532
6533         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
6534         * config/score/score-protos.h (score_gen_cmp): Delete.
6535         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
6536         (score_block_move-loop): Use cbranchsi4.
6537         * config/score/score.md (cbranchsi4): New.
6538         (cmpsi, bCC): Delete.
6539         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
6540         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
6541         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
6542         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
6543         * config/score/score3.h (score3_gen_cmp): Delete.
6544         * config/score/score7.h (score7_gen_cmp): Delete.
6545
6546         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
6547         (sh_emit_scc_to_t): ... this.  Return void.
6548         (from_compare): Rename to...
6549         (sh_emit_compare_and_branch): ... this.
6550         (sh_emit_compare_and_set): New.
6551         (sh_expand_t_scc): Accept operands.
6552         * config/sh/predicates.md (sh_float_comparison_operator): New.
6553         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
6554         (prepare_scc_operands): Rename to...
6555         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
6556         arguments.
6557         (sh_emit_cheap_store_flag): New.
6558         (sh_emit_set_t_insn): New.
6559         (from_compare): Rename to...
6560         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
6561         handling of TARGET_SH2E floating point to avoid recursive call.
6562         Generate branch here.
6563         (sh_emit_compare_and_set): New.
6564         (sh_expand_t_scc): Get op0/op1 from arguments.
6565         (sh_emit_cheap_store_flag): New.
6566         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
6567         cases.
6568         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
6569         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
6570         (movsicc, movdicc): Do nothing when it recreated operands from
6571         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
6572         prepare_scc_operands (now sh_emit_scc_to_t).
6573         (udivdi3): Use cstoresi4.
6574         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
6575         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
6576         (cbranchint4_media, cbranchfp4_media): New.
6577         (casesi): Use cbranchdi4.
6578         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
6579         Delete.
6580         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
6581         (movnegt): Remove second operand.
6582         (cbranchsf4, cbranchdf4): New.
6583         (stack_protect): Use cbranchdi4/cbranchsi4.
6584
6585         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
6586         (gen_compare_reg): Accept comparison, extract part of it to...
6587         (gen_compare_reg_1): ... this. 
6588         (gen_compare_operator): Delete.
6589         (gen_v9_scc): Accept separate destination, comparison code and arms.
6590         Do not use sparc_compare_op0/sparc_compare_op1.
6591         (emit_scc_insn, emit_conditional_branch_insn): New.
6592         (emit_v9_brxx): Make static.  Remove useless assertion.
6593         (sparc_emit_float_lib_cmp): Return RTL instead of calling
6594         emit_cmp_insn.
6595         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
6596         * config/sparc/sparc-protos.h (gen_compare_reg,
6597         sparc_emit_float_lib_cmp): Adjust prototype.
6598         (emit_scc_insn, emit_conditional_branch_insn): New.
6599         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
6600         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
6601         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
6602         iterators to the top.
6603         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
6604         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
6605         snedi_special_trunc): Delete.
6606         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
6607         and snedi_special_trunc.
6608         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
6609         cbranchdi4, cbranch<F:mode>4): New.
6610         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
6611         here.  Use gen_compare_reg instead of gen_compare_operator.
6612         (conditional_trap): Replace with...
6613         (ctrapsi4, ctrapdi4): ... this.
6614         (stack_protect_test): Use cbranchcc4.
6615
6616         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
6617         argument to rtx.
6618         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
6619         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
6620         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
6621         from operands[0] or operands[3] depending on is_set.
6622         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
6623         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
6624         cmpdf, bCC), sCC: Remove.
6625         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
6626         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
6627         cstoredf4): New.
6628         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
6629         spu_emit_branch_or_set.
6630
6631         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
6632         Add two arguments.
6633         * config/stormy16/stormy16.h (xstormy16_compare_op0,
6634         xstormy16_compare_op1): Delete.
6635         * config/stormy16/stormy16.c (xstormy16_compare_op0,
6636         xstormy16_compare_op1): Delete. 
6637         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
6638         Adjust calls.
6639         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
6640         (cmphi, cmpsi, bCC): Remove.
6641
6642         * config/v850/v850.md (tstsi, cmpsi): Fold into...
6643         (*cmpsi): ... this one.
6644         (cbranchsi4, cstoresi4): New.
6645         (bCC expanders): Delete.
6646         (sCC insns): Fold into...
6647         (*setcc): ... this one.
6648         (casesi): Do not use gen_cmpsi and gen_bgtu. 
6649         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
6650         (movsicc): Simplify.
6651         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
6652
6653         * config/vax/vax-protos.h (cond_name): New.
6654         (vax_output_conditional_branch): Remove.
6655         * config/vax/vax.c (cond_name): New.
6656         (vax_output_conditional_branch): Remove.
6657         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
6658         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
6659         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
6660         (bit<VAXint>): Wrap source with (compare).
6661         (b<code> and following unnamed pattern): Rename to *branch and
6662         *branch_reversed.  Change macroization to match_operator.
6663         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
6664
6665         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
6666         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
6667         Change last argument to machine_mode.
6668         (xtensa_expand_scc): Add machine_mode argument.
6669         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
6670         (gen_conditional_move, xtensa_expand_conditional_branch,
6671         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
6672         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
6673         Adjust operand numbers.
6674         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
6675         Delete.
6676         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
6677         (cmpsi, cmpsf, b<code>, s<code>): Delete.
6678         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
6679
6680 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
6681
6682         * optabs.c (prepare_cmp_insn): Temporarily disable test that
6683         causes spurious differences between trunk and cond-optab branch.
6684
6685 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
6686
6687         PR target/37137
6688         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
6689
6690 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
6691
6692         * tree.c (iterative_hash_pointer): Delete.
6693         (iterative_hash_expr): Short-circuit handling of NULL pointer.
6694         Hash UIDs and versions of SSA names.  Don't special-case built-in
6695         function declarations.
6696
6697 2009-05-11  Ian Lance Taylor  <iant@google.com>
6698
6699         PR bootstrap/40103
6700         * graphite.c: Force -Wc++-compat to only be a warning before
6701         #including "cloog/cloog.h".
6702
6703 2009-05-11  Martin Jambor  <mjambor@suse.cz>
6704
6705         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
6706         
6707 2009-05-11  Jan Hubicka  <jh@suse.cz>
6708
6709         * tree-ssa-loop-ivcanon.c: Include target.h
6710         (struct loop_size): new structure.
6711         (constant_after_peeling): New predicate.
6712         (tree_estimate_loop_size): New function.
6713         (estimated_unrolled_size): Rewrite for new estimates.
6714         (try_unroll_loop_completely): Use new estimates.
6715         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
6716
6717 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6718
6719         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
6720         libcpp interface change.
6721         (spu_macro_to_expand): Likewise.
6722
6723 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
6724
6725         PR tree-optimization/40026
6726         * gimplify.c (gimplify_init_constructor): Change initial conditional
6727         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
6728         optimize_compound_literals_in_ctor.
6729
6730 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
6731
6732         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
6733         New devices.
6734         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
6735
6736 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
6737
6738         * tree-vect-data-refs.c (vect_analyze_group_access): Use
6739         HOST_WIDE_INT for gap.
6740
6741 2009-05-11  Ira Rosen  <irar@il.ibm.com>
6742
6743         PR tree-optimization/40074
6744         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
6745         account in group size and step comparison.
6746
6747 2009-05-11  Richard Guenther  <rguenther@suse.de>
6748
6749         * passes.c (init_optimization_passes): Strip now incorrect comment.
6750         (execute_function_todo): Do not set PROP_alias.
6751         * tree-pass.h (PROP_alias): Remove.
6752         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
6753         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
6754         * tree-nrv.c (pass_return_slot): Likewise.
6755         * tree-object-size.c (pass_object_sizes): Likewise.
6756         * tree-ssa-dom.c (pass_dominator): Likewise.
6757         (pass_phi_only_cprop): Likewise.
6758         * tree-ssa-dse.c (pass_dse): Likewise.
6759         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
6760         (pass_cselim): Likewise.
6761         * tree-ssa-pre.c (pass_pre): Likewise.
6762         (pass_fre): Likewise.
6763         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
6764         * tree-ssa-sink.c (pass_sink_code): Likewise.
6765         * tree-stdarg.c (pass_stdarg): Likewise.
6766         * tree-tailcall.c (pass_tail_calls): Likewise.
6767         * tree-vrp.c (pass_vrp): Likewise.
6768
6769 2009-05-10  Ian Lance Taylor  <iant@google.com>
6770
6771         * basic-block.h (enum profile_status): Break out of struct
6772         control_flow_graph.
6773         * cgraph.h (struct inline_summary): Break out of struct
6774         cgraph_local_info.
6775         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
6776         of struct cgraph_order_sort.
6777         * combine.c (enum undo_kind): New enum, broken out of struct undo.
6778         * cse.c (struct branch_path): Break out of struct
6779         cse_basic_block_data.
6780         * except.h (enum eh_region_type): Break out of struct eh_region.
6781         * gcc.c (enum add_del): Break out of struct modify_target.
6782         * genrecog.c (enum decision_type): Break out of struct decision_test.
6783         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
6784         ggc_pch_data.
6785         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
6786         * regmove.c (enum match_use): New enum, broken out of struct match.
6787         * sched-int.h (enum post_call_group): New enum, broken out of
6788         struct deps.
6789         (struct deps_reg): Break out of struct deps.
6790         * target.h (struct asm_int_op): Break out of struct gcc_target.
6791         * tree-eh.c (struct goto_queue_node): Break out of struct
6792         leh_tf_state.
6793         * tree-inline.h (enum copy_body_cge_which): Break out of
6794         copy_body_data.
6795         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
6796
6797         * c-decl.c (in_struct, struct_types): New static variables.
6798         (pushtag): Add loc parameter.  Change all callers.
6799         (lookup_tag): Add ploc parameter.  Change all callers.
6800         (check_compound_literal_type): New function.
6801         (parser_xref_tag): Add loc parameter.  Change all callers.  If
6802         -Wc++-compat, warn about struct/union/enum types defined within a
6803         struct or union.
6804         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
6805         and loc parameters.  Change all callers.  Change error calls to
6806         error_at, using loc.  For a redefinition, if the location of the
6807         original definition is known, report it.  Set in_struct and
6808         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
6809         (finish_struct): Add new parameters enclosing_in_struct and
6810         enclosing_struct_types.  Change all callers.  Set
6811         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
6812         in the struct.  If in a struct, add this struct to struct_types.
6813         (start_enum): Add loc parameter.  Change all callers.  Use
6814         error_at for errors, using loc.  For a redefinition, if the
6815         location of the original definition is known, report it.  If in a
6816         struct, add this enum type to struct_types.  If -Wc++-compat warn
6817         if in sizeof, typeof, or alignof.
6818         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
6819         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
6820         (c_parser_enum_specifier): Get enum location for start_enum.
6821         (c_parser_struct_or_union_specifier): Get struct location for
6822         start_struct.  Save in_struct and struct_types status between
6823         start_struct and finish_struct.
6824         (c_parser_cast_expression): Get location of cast.
6825         (c_parser_alignof_expression): Get location of type.
6826         (c_parser_postfix_expression): Likewise.
6827         (c_parser_postfix_expression_after_paren_type): Add type_loc
6828         parameter.  Change all callers.  Call check_compound_literal_type.
6829         Use type_loc for error about variable size type.
6830         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
6831         of an enum constant from an enum type defined in a struct or union.
6832         (c_cast_expr): Add loc parameter.  Change all callers.  If
6833         -Wc++-compat, warn about defining a type in a cast.
6834         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
6835         (start_enum, start_struct, finish_struct): Update declarations.
6836         (parser_xref_tag, c_cast_expr): Update declarations.
6837         (check_compound_literal_type): Declare.
6838
6839 2009-05-11  Ben Elliston  <bje@au.ibm.com>
6840
6841         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
6842         for recent libcpp interface change.
6843         (rs6000_macro_to_expand): Likewise.
6844
6845 2009-05-10  Michael Matz  <matz@suse.de>
6846
6847         PR target/40031
6848         * config/arm/arm.c (require_pic_register): Emit on entry edge,
6849         not at entry of function.
6850
6851 2009-05-10  Richard Guenther  <rguenther@suse.de>
6852
6853         PR tree-optimization/40081
6854         Revert
6855         * tree-sra.c (instantiate_element): Instantiate scalar replacements
6856         using the main variant of the element type.  Do not fiddle with
6857         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
6858
6859         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
6860         structs with volatile fields.
6861
6862 2009-05-10  Jan Hubicka  <jh@suse.cz>
6863
6864         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
6865         (estimate_move_cost): Assert that it does not get called for
6866         VOID_TYPE_P.
6867         (estimate_num_insns): Skip VOID types in argument handling.
6868         (optimize_inline_calls): Delete unreachable blocks and verify that
6869         callgraph is valid.
6870
6871 2009-05-10  Jan Hubicka  <jh@suse.cz>
6872
6873         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
6874         * cgraph.c (cgraph_mark_address_taken_node): New function.
6875         (dump_cgraph_node): Dump new flag.
6876         * cgraph.h (struct cgraph_node): Add address_taken.
6877         (cgraph_mark_address_taken_node): New function.
6878         * ipa.c (cgraph_postorder): Prioritize functions with address taken
6879         since new direct calls can be born.
6880
6881 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
6882
6883         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
6884         tok->val.node.node.
6885
6886 2009-05-10  Jan Hubicka  <jh@suse.cz>
6887
6888         PR middle-end/40084
6889         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
6890         argument; rewrite.
6891         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
6892         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
6893         * tree-inline.c (copy_bb): Set frequency correctly.
6894         (fold_marked_statements): Update call to
6895         cgraph_update_edges_for_call_stmt.
6896
6897 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
6898
6899         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
6900         identifiers in diagnostics.
6901         * config/arm/arm.c (arm_handle_fndecl_attribute,
6902         arm_handle_isr_attribute): Likewise.
6903         * config/avr/avr.c (avr_handle_progmem_attribute,
6904         avr_handle_fndecl_attribute, avr_handle_fntype_attribute): Likewise.
6905         * config/bfin/bfin.c (handle_int_attribute,
6906         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
6907         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
6908         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
6909         Likewise.
6910         * config/darwin.c (darwin_handle_kext_attribute,
6911         darwin_handle_weak_import_attribute): Likewise.
6912         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
6913         h8300_handle_eightbit_data_attribute,
6914         h8300_handle_tiny_data_attribute): Likewise.
6915         * config/i386/i386.c (ix86_handle_cconv_attribute,
6916         ix86_handle_abi_attribute, ix86_handle_struct_attribute): Likewise.
6917         * config/i386/winnt.c (ix86_handle_shared_attribute,
6918         ix86_handle_selectany_attribute): Likewise.
6919         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
6920         * config/m32c/m32c.c (function_vector_handler): Likewise.
6921         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
6922         m68hc11_handle_fntype_attribute): Likewise.
6923         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
6924         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
6925         * config/mips/mips.c (mips_insert_attributes,
6926         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
6927         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
6928         rs6000_handle_struct_attribute): Likewise.
6929         * config/sh/sh.c (sh_insert_attributes,
6930         sh_handle_resbank_handler_attribute,
6931         sh_handle_interrupt_handler_attribute,
6932         sh2a_handle_function_vector_handler_attribute,
6933         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6934         Likewise.
6935         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
6936         * config/spu/spu.c (spu_handle_fndecl_attribute,
6937         spu_handle_vector_attribute): Likewise.
6938         * config/stormy16/stormy16.c
6939         (xstormy16_handle_interrupt_attribute): Likewise.
6940         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
6941         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
6942
6943 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
6944
6945         * pretty-print.h (struct pretty_print_info): Add translate_identifiers.
6946         (pp_translate_identifiers): New.
6947         (pp_identifier): Only conditionally translate identifier to locale
6948         character set.
6949         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
6950         (pp_base_tree_identifier): Only conditionally translate identifier
6951         to locale character set.
6952         * c-pretty-print.c (M_): Define.
6953         (pp_c_type_specifier, pp_c_primary_expression): Mark English
6954         fragments for conditional translation with M_.
6955         * tree-pretty-print.c (maybe_init_pretty_print): Disable
6956         identifier translation.
6957
6958 2009-05-10  Richard Guenther  <rguenther@suse.de>
6959
6960         PR tree-optimization/40081
6961         * tree-sra.c (instantiate_element): Instantiate scalar replacements
6962         using the main variant of the element type.  Do not fiddle with
6963         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
6964
6965 2009-05-09  Jan Hubicka  <jh@suse.cz>
6966
6967         PR middle-end/40080
6968         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
6969         indirect calls; verify cgraph afterwards.
6970
6971 2009-05-09  Jan Hubicka  <jh@suse.cz>
6972
6973         PR bootstrap/40082
6974         * ipa.c (update_inlined_to_pointer): New function.
6975         (cgraph_remove_unreachable_nodes): Use it.
6976
6977 2009-05-09  Jan Hubicka  <jh@suse.cz>
6978
6979         * tree-eh.c (struct leh_state): Remove prev_try.
6980         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
6981         not track prev_try.
6982         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
6983         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
6984         remove_eh_handler_and_replace, foreach_reachable_handler,
6985         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
6986         * except.h (struct eh_region): Remove eh_region_u_cleanup.
6987         (gen_eh_region_cleanup): Update prototype.
6988
6989 2009-05-09  Jan Hubicka  <jh@suse.cz>
6990
6991         PR middle-end/40043
6992         * except.c (copy_eh_region): Always set prev_try.
6993         (redirect_eh_edge_to_label): Find outer try.
6994         (foreach_reachable_handler): When looking for prev try
6995         handle case where previous try is not going to be taken.
6996
6997 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
6998
6999         PR tree-optimization/40049
7000         * tree-vect-stmts.c (vectorizable_operation): If the machine has
7001         only vector/vector shifts, convert the type of the constant to the
7002         appropriate type to avoid building incorrect trees, which
7003         eventually have problems with garbage collection.
7004
7005 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
7006
7007         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
7008         -1 for complex floating-point types if honoring signed zeros.
7009
7010 2009-05-08  Jan Hubicka  <jh@suse.cz>
7011
7012         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
7013         argument; handle correctly when profile is absent.
7014         (build_cgraph_edges): Update.
7015         (rebuild_cgraph_edges): Update.
7016         * cgraph.c: Do not include varray.h.
7017         (cgraph_set_call_stmt_including_clones): New function.
7018         (cgraph_create_edge_including_clones): Likewise
7019         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
7020         (cgraph_update_edges_for_call_stmt): Handle clones.
7021         (cgraph_remove_node): Handle clone tree.
7022         (cgraph_remove_node_and_inline_clones): New function.
7023         (dump_cgraph_node): Dump clone tree.
7024         (cgraph_clone_node): Handle clone tree.
7025         (clone_function_name): Bring here from tree-inline.c.
7026         (cgraph_create_virtual_clone): New function.
7027         * cgraph.h (ipa_replace_map): Move here from ipa.h.
7028         (cgraph_clone_info): New function.
7029         (strut cgraph_node): Add clone_info and new clone tree pointers.
7030         (cgraph_remove_node_and_inline_clones,
7031         cgraph_set_call_stmt_including_clones,
7032         cgraph_create_edge_including_clones,
7033         cgraph_create_virtual_clone): Declare.
7034         (cgraph_function_versioning): Use VEC argument.
7035         (compute_call_stmt_bb_frequency): Update prototype.
7036         (cgraph_materialize_all_clones): New function.
7037         * ipa-cp.c (ipcp_update_cloned_node): Remove.
7038         (ipcp_create_replace_map): Update to VECtors.
7039         (ipcp_update_callgraph): Use virtual clones.
7040         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
7041         (ipcp_update_profiling): Do not update local profiling.
7042         (ipcp_insert_stage): Use VECtors and virtual clones.
7043         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
7044         (clone_of_p): New function.
7045         (cgraph_preserve_function_body_p): Use clone tree.
7046         (cgraph_optimize): Materialize clones.
7047         (cgraph_function_versioning): Update for VECtors.
7048         (save_inline_function_body): Use clone tree.
7049         (cgraph_materialize_clone): New function.
7050         (cgraph_materialize_all_clones): Likewise.
7051         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
7052         * ipa.c: Include gimple.h.
7053         (cgraph_remove_unreachable_nodes): Use clone tree.
7054         * ipa-prop.c (ipa_note_param_call): Update call to
7055         compute_call_stmt_bb_frequencycall.
7056         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
7057         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
7058         (copy_bb): Handle updating of clone tree; add new edge when new call
7059         appears.
7060         (expand_call_inline): Be strict about every call having edge.
7061         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
7062         (delete_unreachable_blocks_update_callgraph): New function.
7063         (tree_function_versioning): Use VECtors; always remove unreachable
7064         blocks and fold conditionals.
7065         * tree-inline.h: Do not include varray.h.
7066         (tree_function_versioning): Remove.
7067         * Makefile.in (GTFILES): Remove tree-inline.c
7068         * passes.c (do_per_function): Do only functions having body.
7069         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
7070         tree.
7071
7072 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
7073             Andrew Morrow  <acm@google.com>
7074
7075         PR c/36892
7076         * c-common.c (c_common_attribute_table): Permit deprecated
7077         attribute to take an optional argument.
7078         (handle_deprecated_attribute): If the optional argument to
7079         __attribute__((deprecated)) is not a string ignore the attribute
7080         and emit a warning.
7081
7082         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
7083         * c-typeck.c (build_component_ref): Likewise.
7084         (build_external_ref): Likewise.
7085
7086         * toplev.c (warn_deprecated_use): Add an attribute argument.
7087         Emit the message associated with __attribute__((deprecated)).
7088
7089         * toplev.h (warn_deprecated_use): Updated.
7090
7091         * doc/extend.texi: Document new optional parameter to
7092         __attribute__((deprecated))
7093
7094 2009-05-08  Michael Eager <eager@eagercon.com>
7095
7096         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
7097         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
7098
7099 2009-05-08  Richard Guenther  <rguenther@suse.de>
7100
7101         PR tree-optimization/40062
7102         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
7103         Avoid exponential behavior.
7104
7105 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
7106
7107         PR rtl-optimization/33928
7108         PR 26854
7109         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
7110         process_uses, build_single_def_use_links): New.
7111         (update_df): Update use_def_ref.
7112         (forward_propagate_into): Use get_def_for_use instead of use-def
7113         chains.
7114         (fwprop_init): Call build_single_def_use_links and let it initialize
7115         dataflow.
7116         (fwprop_done): Free use_def_ref.
7117         (fwprop_addr): Eliminate duplicate call to df_set_flags.
7118         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
7119         df_rd_simulate_one_insn): New.
7120         (df_rd_bb_local_compute_process_def): Update head comment.
7121         (df_chain_create_bb): Use the new RD simulation functions.
7122         * df.h (df_rd_simulate_artificial_defs_at_top, 
7123         df_rd_simulate_one_insn): New.
7124         * opts.c (decode_options): Enable fwprop at -O1.
7125         * doc/invoke.texi (-fforward-propagate): Document this.
7126
7127 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
7128
7129         PR c/24581
7130         * c-typeck.c (build_binary_op): Handle arithmetic between one real
7131         and one complex operand specially.
7132         * tree-complex.c (some_nonzerop): Do not identify a real value as
7133         zero if flag_signed_zeros.
7134
7135 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
7136
7137         PR rtl-optimization/33928
7138         * loop-invariant.c (record_use): Fix && vs. || mishap.
7139
7140 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
7141
7142         PR rtl-optimization/33928
7143         * loop-invariant.c (struct use): Add addr_use_p.
7144         (struct def): Add n_addr_uses.
7145         (struct invariant): Add cheap_address.
7146         (create_new_invariant): Set cheap_address.
7147         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
7148         (record_uses): Pass df_ref to record_use.
7149         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
7150         used only as such.
7151
7152 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
7153
7154         * config/sh/sh.c: Do not include c-pragma.h.
7155
7156 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7157
7158         * config/spu/spu.c: Remove include of c-common.h.
7159
7160 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
7161
7162         PR c/39037
7163         * c-common.h (mark_valid_location_for_stdc_pragma,
7164         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
7165         clear_float_const_decimal64, float_const_decimal64_p): New.
7166         * c.opt (Wunsuffixed-float-constants): New.
7167         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
7168         unsuffixed float constant, handle new warning.
7169         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
7170         * c-decl.c (c_scope): New flag float_const_decimal64.
7171         (set_float_const_decimal64, clear_float_const_decimal64,
7172         float_const_decimal64_p): New.
7173         (push_scope): Set new flag.
7174         * c-parser.c (c_parser_translation_unit): Mark when it's valid
7175         to use STDC pragmas.
7176         (c_parser_external_declaration): Ditto.
7177         (c_parser_compound_statement_nostart): Ditto.
7178         * c-pragma.c (valid_location_for_stdc_pragma,
7179         mark_valid_location_for_stdc_pragma,
7180         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
7181         handle_pragma_float_const_decimal64): New.
7182         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
7183         * cp/semantics.c (valid_location_for_stdc_pragma_p,
7184         set_float_const_decimal64, clear_float_const_decimal64,
7185         float_const_decimal64_p): New dummy functions.
7186         * doc/extend.texi (Decimal Float): Remove statement that the
7187         pragma, and suffix for double constants, are not supported.
7188         * doc/invoke.texi (Warning Options): List new option.
7189         (-Wunsuffixed-float-constants): New.
7190
7191 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
7192
7193         * config/i386/i386.c: Do not include c-common.h.
7194
7195 2009-05-07  Mark Heffernan  <meheff@google.com>
7196
7197         * doc/invoke.texi (Debugging Options): Document change of debugging
7198         dump location.
7199         * opts.c (decode_options): Make dump_base_name relative to
7200         aux_base_name directory.
7201
7202 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
7203
7204         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
7205         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
7206
7207 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
7208
7209         * Makefile.in (install-plugin): Simplify a bit.
7210
7211 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
7212
7213         * Makefile.in (OBJS-common): Add regcprop.o.
7214         (regcprop.o): New.
7215         * timevar.def (TV_CPROP_REGISTERS): New.
7216         * regrename.c (regrename_optimize): Return 0.
7217         (rest_of_handle_regrename): Delete.
7218         (pass_rename_registers): Point to regrename_optimize.
7219         (struct value_data_entry, struct value_data, 
7220         kill_value_one_regno, kill_value_regno, kill_value,
7221         set_value_regno, init_value_data, kill_clobbered_value,
7222         kill_set_value, kill_autoinc_value, copy_value,
7223         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
7224         replace_oldest_value_reg, replace_oldest_value_addr,
7225         replace_oldest_value_mem, copyprop_hardreg_forward_1,
7226         debug_value_data, validate_value_data): Move...
7227         * regcprop.c: ... here.
7228         (rest_of_handle_cprop): Delete.
7229         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
7230
7231 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
7232
7233         PR middle-end/40057
7234         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
7235         GEN_INT for 1 << bitnum.
7236         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
7237         build_int_cst_type.
7238
7239 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
7240
7241         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
7242         Remove wrong description of "nand" operation.
7243
7244 2009-05-06  Richard Guenther  <rguenther@suse.de>
7245             Adam Nemet  <anemet@caviumnetworks.com>
7246
7247         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
7248         comment.  Add that if LHS is not a gimple register, then RHS1 has
7249         to be a single object (GIMPLE_SINGLE_RHS).
7250
7251 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
7252
7253         * expr.c (get_def_for_expr): Move it up in the file.
7254         (store_field): When expanding a bit-field store, look at the
7255         defining gimple stmt for the masking conversion.
7256
7257 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
7258
7259         PR middle-end/39986
7260         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7261         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
7262         32-bit memcpy into long.
7263
7264 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
7265
7266         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
7267         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
7268         new_reg_loc_descr.
7269         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
7270         instead of appending DW_OP_deref*.
7271
7272 2009-05-06  Michael Matz  <matz@suse.de>
7273
7274         PR middle-end/40021
7275         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
7276         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
7277
7278 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
7279
7280         * Makefile.in (install-plugin): Fix srcdir handling.
7281
7282 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
7283
7284         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
7285         when processing for not_regs_needed bitmap.
7286         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
7287         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
7288         handling it for rhs. 
7289
7290 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
7291
7292         * config/i386/i386.md (unnamed inc/dec peephole): Use
7293         optimize_insn_for_size_p instead of optimize_size.
7294         * config/i386/predicates.md (incdec_operand): Likewise.
7295         (aligned_operand): Likewise.
7296         * config/i386/sse.md (divv8sf3): Likewise.
7297         (sqrtv8sf2): Likewise.
7298
7299 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
7300
7301         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
7302
7303         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
7304
7305 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
7306
7307         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
7308         ssemodesuffixf2c with avxmodesuffixf2c.
7309
7310 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
7311
7312         PR c/40032
7313         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
7314
7315 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
7316
7317         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
7318         (struct tree_base): Adjust spacing for 8 bit boundaries.
7319         (struct tree_decl_common): Add decl_by_reference_flag bit.
7320         (DECL_BY_REFERENCE): Adjust.
7321         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
7322         print DECL_BY_REFERENCE bit.
7323         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
7324         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
7325         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
7326         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
7327         unconditionally.
7328
7329         PR middle-end/39666
7330         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
7331         range of the type, but default label is missing, add it with one
7332         of the existing labels instead of adding a new label for it.
7333
7334 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
7335
7336         * dwarf.h: Remove.
7337
7338 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
7339
7340         * Makefile.in (enable_plugin, plugin_includedir): New.
7341         (install): Depend on install-plugin.
7342         (PLUGIN_HEADERS): New.
7343         (install-plugin): New.
7344         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
7345
7346 2009-05-05  Richard Guenther  <rguenther@suse.de>
7347
7348         PR tree-optimization/40022
7349         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
7350         the only vuse.
7351         (phivn_valid_p): Fix tuplification error, simplify.
7352         (phiprop_insert_phi): Add dumps.
7353         (propagate_with_phi): Simplify.
7354
7355 2009-05-05  Richard Guenther  <rguenther@suse.de>
7356
7357         PR middle-end/40023
7358         * builtins.c (gimplify_va_arg_expr): Properly build the address.
7359
7360 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
7361
7362         * tree.h (strip_float_extensions): Remove duplicate declaration.
7363         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
7364         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
7365         block_ultimate_origin): Rearrange the declarations line to match the
7366         comment that indicates the .c file which the functions are defined.
7367         (dwarf2out_*, set_decl_rtl): Add comment.
7368         (get_base_address): Adjust comment.
7369         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
7370         declarations line and add comment.
7371         (is_builtin_name): Add blank after function name, for clarity.
7372
7373 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
7374
7375         * attribs.c (decl_attributes): Use %qE for identifiers in
7376         diagnostics.
7377         * cgraphunit.c (verify_cgraph_node): Translate function names to
7378         locale character set in diagnostics.
7379         * coverage.c (get_coverage_counts): Use %qE for identifiers in
7380         diagnostics.
7381         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
7382         Document that functions are named in UTF-8.
7383         * expr.c (expand_expr_real_1): Translate function names to locale
7384         character set in diagnostics.
7385         * gimplify.c (omp_notice_variable, omp_is_private,
7386         gimplify_scan_omp_clauses): Use %qE for identifiers in
7387         diagnostics.
7388         * langhooks.c (lhd_print_error_function): Translate function names
7389         to locale character set.
7390         * langhooks.h (decl_printable_name): Document that return value is
7391         in internal character set.
7392         * stmt.c: Include pretty-print.h
7393         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
7394         diagnostics.
7395         (resolve_operand_name_1): Translate named operand name to locale
7396         character set.
7397         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
7398         diagnostics.
7399         * toplev.c (announce_function): Translate function names to locale
7400         character set.
7401         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
7402         (default_tree_printer): Use pp_identifier or translate identifiers
7403         to locale character set.  Mark "<anonymous>" for translation.
7404         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
7405         for identifiers in diagnostics.
7406         * tree.c (handle_dll_attribute): Use %qE for identifiers in
7407         diagnostics.
7408         * varasm.c (output_constructor): Use %qE for identifiers in
7409         diagnostics.
7410
7411 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
7412
7413         * configure.ac: use ` ` instead of $()
7414         * configure: Regenerate.
7415
7416 2009-05-05  Ben Elliston  <bje@au.ibm.com>
7417
7418         * config/pa/linux-atomic.c: Eliminate conditional include of
7419         errno.h on non-LP64 systems to simplify build requirements.
7420
7421 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
7422
7423         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
7424         diagnostics.
7425         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
7426         and pass value to identifier_to_locale.
7427         (warn_variable_length_array): Make name a tree.
7428         (grokdeclarator): Separate diagnostic texts for named and unnamed
7429         declarators.  Use %qE for named declarators.
7430         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
7431         diagnostics.
7432         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
7433         identifiers in diagnostics.
7434         * c-typeck.c (push_member_name, start_init): Pass identifiers to
7435         identifier_to_locale.  Mark "anonymous" strings for translation.
7436
7437 2009-05-04  Michael Eager <eager@eagercon.com>
7438
7439         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
7440         address for DImode/DFmode only if double-precision FP regs.
7441
7442 2009-05-04  Michael Eager <eager@eagercon.com>
7443
7444         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
7445         TARGET_SINGLE_FLOAT check.
7446
7447 2009-05-04  Michael Eager <eager@eagercon.com>
7448
7449         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
7450
7451 2009-05-04  Michael Eager <eager@eagercon.com>
7452
7453         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
7454         * config/rs6000/t-xilinx: New
7455
7456 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
7457
7458         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
7459         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
7460         * gcc/explow.c (memory_address): Use target hook.
7461         * gcc/targhooks.c (default_legitimize_address): New.
7462         * gcc/targhooks.h (default_legitimize_address): New.
7463         * gcc/target.h (legitimize_address): New.
7464         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
7465         (TARGET_INITIALIZER): Include it.
7466         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
7467
7468         * config/bfin/bfin-protos.h (legitimize_address): Remove.
7469         * config/bfin/bfin.c (legitimize_address): Remove.
7470         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
7471         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
7472         Remove.
7473         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
7474         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
7475
7476         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
7477         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
7478         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
7479         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
7480         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
7481         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
7482         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
7483         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
7484         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
7485         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
7486         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
7487         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
7488         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
7489         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
7490         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
7491         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
7492         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
7493         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
7494         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
7495         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
7496         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
7497         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
7498         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
7499
7500         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
7501         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
7502         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
7503         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
7504         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
7505         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
7506         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
7507         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
7508         (thumb_legitimize_address): Delete.
7509         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
7510         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
7511         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
7512         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
7513         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
7514         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
7515         Delete.
7516         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
7517         Delete.
7518
7519         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
7520         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
7521         * config/m32r/m32r.c (m32r_legitimize_address): New.
7522         * config/m68k/m68k.c (m68k_legitimize_address): New.
7523         * config/score/score.c (score_legitimize_address): Standardize.
7524         * config/score/score3.c (score3_legitimize_address): Standardize.
7525         * config/score/score3.h (score3_legitimize_address): Adjust.
7526         * config/score/score7.c (score7_legitimize_address): Standardize.
7527         * config/score/score7.h (score7_legitimize_address): Adjust.
7528         * config/sh/sh.c (sh_legitimize_address): New.
7529         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
7530
7531         * gcc/config/s390/s390.c (legitimize_address): Rename to...
7532         (s390_legitimize_address): ... this.
7533         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
7534         (sparc_legitimize_address): ... this.
7535         * gcc/config/i386/i386.c (legitimize_address): Rename to...
7536         (ix86_legitimize_address): ... this.
7537         * gcc/config/avr/avr.c (legitimize_address): Rename to...
7538         (avr_legitimize_address): ... this.
7539         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
7540         (mn10300_legitimize_address): ... this.
7541         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
7542         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
7543         (alpha_expand_mov): Adjust call.
7544
7545         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
7546         * config/spu/spu.c (spu_legitimize_address): Likewise.
7547         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
7548         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
7549
7550 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
7551
7552         * intl.c (locale_encoding, locale_utf8): New.
7553         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
7554         * intl.h (locale_encoding, locale_utf8): Declare.
7555         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
7556         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
7557         New.
7558         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
7559         argument.
7560         (pp_tree_identifier): Define to call pp_base_tree_identifier.
7561         (pp_base_tree_identifier): Declare as function.
7562         (identifier_to_locale): Declare.
7563         * Makefile.in (pretty-print.o): Update dependencies.
7564         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
7565
7566 2009-05-04  Richard Guenther  <rguenther@suse.de>
7567
7568         PR middle-end/40015
7569         * builtins.c (fold_builtin_memory_op): Do not decay to element
7570         type if the size matches the whole array.
7571
7572 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
7573
7574         * expmed.c (synth_mult): When trying out a shift, pass the result
7575         of a signed shift.
7576
7577 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
7578
7579         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
7580         (shiftsub1_cost): New.
7581         (init_expmed): Compute shiftsub1_cost.
7582         (synth_mult): Optimize multiplications by constants of the form
7583         -(2^^m-1) for some constant positive integer m.
7584
7585 2009-05-03  Richard Guenther  <rguenther@suse.de>
7586
7587         PR c/39983
7588         * c-typeck.c (array_to_pointer_conversion): Do not built
7589         ADDR_EXPRs of arrays of pointer-to-element type.
7590         * c-gimplify.c (c_gimplify_expr): Revert change fixing
7591         up wrong ADDR_EXPRs after-the-fact.
7592         * c-common.c (strict_aliasing_warning): Strip pointer
7593         conversions for obtaining the original type.
7594         * builtins.c (fold_builtin_memset): Handle array types.
7595         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
7596         and array types
7597
7598 2009-05-03  Richard Guenther  <rguenther@suse.de>
7599
7600         PR middle-end/23329
7601         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
7602         Do not lose casts from array types with unknown extent to array
7603         types with known extent.
7604         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
7605         alias set compatibility.
7606
7607 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7608
7609         * flags.h (extra_warnings): Delete.
7610         * toplev.c (process_options): Handle Wuninitialized here.
7611         * opts.c (extra_warnings): Delete.
7612         (set_Wextra): Delete.
7613         (common_handle_option): -Wextra can be handled automatically.
7614         * c-opts.c (c_common_handle_option): Delete obsolete code.
7615         (c_common_post_options): Simplify comment.
7616         * common.opt (W): Add Var.
7617         (Wextra): Add Var.
7618         (Wuninitialized): Initialize to -1.
7619
7620 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
7621             Richard Guenther  <rguenther@suse.de>
7622
7623         * expr.c (get_def_for_expr): New function.
7624         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
7625         SSA rather than trees.
7626         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
7627         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
7628         
7629 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
7630
7631         * c-common.c (reswords): Add _Imaginary.
7632         * c-common.c (enum rid): Add RID_IMAGINARY.
7633
7634 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
7635
7636         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
7637         Patch by Richard Guenther.
7638
7639 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
7640
7641         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
7642         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
7643         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
7644         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
7645         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
7646         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
7647         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
7648         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
7649         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
7650         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
7651         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
7652         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
7653         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
7654         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
7655         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
7656         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
7657         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
7658         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
7659
7660 2009-05-02  Richard Guenther  <rguenther@suse.de>
7661
7662         PR tree-optimization/39940
7663         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
7664         doing so.
7665
7666 2009-05-02  Richard Guenther  <rguenther@suse.de>
7667
7668         PR middle-end/40001
7669         * tree-ssa.c (execute_update_addresses_taken): Properly check
7670         if we can mark a variable DECL_GIMPLE_REG_P.
7671         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
7672         back to the end of the function.
7673         (is_gimple_reg_type): Remove complex type special casing.
7674         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
7675         if not optimizing.
7676
7677 2009-05-02  Ben Elliston  <bje@au.ibm.com>
7678
7679         * doc/collect2.texi (Collect2): Document search path behaviour
7680         when configured with --with-ld.
7681
7682 2009-05-02  Jan Hubicka  <jh@suse.cz>
7683
7684         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
7685         parameter; update callers.
7686         (coalesce_cost_edge): EH edges are costier because they needs
7687         splitting even if not critical and even more costier when there are
7688         multiple EH predecestors.
7689
7690 2009-05-02  Jan Hubicka  <jh@suse.cz>
7691
7692         * except.c (remove_eh_handler_and_replace): Handle updating after
7693         removing TRY blocks.
7694
7695 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
7696
7697         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
7698
7699 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
7700
7701         * varasm.c: Do not include c-pragma.h.
7702         * attribs.c: Do not incude c-common.h.
7703
7704 2009-05-01  Michael Matz  <matz@suse.de>
7705
7706         * calls.c (initialize_argument_information): Handle SSA names like
7707         decls with a non MEM_P DECL_RTL.
7708
7709 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
7710
7711         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
7712         * ipa-utils.c: Likewise.
7713         * ipa-type-escape.c: Likewise.
7714         * cgraphunit.c Do not include c-common.h.
7715         * ipa-pure-const.c: Likewise.
7716         * tree-if-conv.c: Likewise.
7717         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
7718         * ipa-struct-reorg.c: Likewise.
7719         * tree-nomudflap.c: Likewise.
7720         * tree-ssa-structalias.c: Likewise.
7721
7722 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
7723
7724         * store-motion.c: Many cleanups to make this pass a first-class
7725         citizen instead of an appendix to gcse load motion.  Add TODO list
7726         to make this pass faster/cleaner/better.
7727
7728         (struct ls_expr): Post gcse.c-split cleanups.
7729         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
7730         "stores" field to "avail_stores".
7731         (pre_ldst_mems): Rename to store_motion_mems.
7732         (pre_ldst_table): Rename to store_motion_mems_table.
7733         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
7734         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
7735         (ldst_entry): Rename to st_expr_entry, update users.
7736         (free_ldst_entry): Rename to free_st_expr_entry, update users.
7737         (free_ldst_mems): Rename to free_store_motion_mems, update users.
7738         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
7739         update caller.
7740         (first_ls_expr): Rename to first_st_expr, update users.
7741         (next_ls_expr): Rename to next_st_expr, update users.
7742         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
7743         fields properly for store motion instead of names inherited from load
7744         motion in gcse.c.
7745         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
7746         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
7747         are done with it.
7748
7749         (ae_kill): Rename to st_kill, update users.
7750         (ae_gen): Rename to st_avloc, update users.
7751         (transp): Rename to st_transp, update users.
7752         (pre_insert_map): Rename to st_insert_map, update users.
7753         (pre_delete_map): Rename to st_delete_map, update users.
7754         (insert_store, build_store_vectors, free_store_memory,
7755         one_store_motion_pass): Update for abovementioned changes.
7756
7757         (gcse_subst_count, gcse_create_count): Remove.
7758         (one_store_motion_pass): New statistics counters "n_stores_deleted"
7759         and "n_stores_created", local variables.
7760
7761         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
7762         use for_each_rtx.
7763
7764         (regvec, compute_store_table_current_insn): Remove.
7765         (reg_set_info, reg_clear_last_set): Remove.
7766         (compute_store_table): Use DF caches instead of local dataflow
7767         solvers.
7768
7769 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
7770
7771         * c-objc-common.c (c_tree_printer): Print identifiers with
7772         pp_identifier, not pp_string.  Mark "({anonymous})" for
7773         translation.
7774         * c-pretty-print.c (pp_c_ws_string): New.
7775         (pp_c_cv_qualifier, pp_c_type_specifier,
7776         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
7777         pp_c_storage_class_specifier, pp_c_function_specifier,
7778         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
7779         pp_c_primary_expression, pp_c_postfix_expression,
7780         pp_c_unary_expression, pp_c_shift_expression,
7781         pp_c_relational_expression, pp_c_equality_expression,
7782         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
7783         use pp_string and pp_c_ws_string in place of pp_identifier and
7784         pp_c_identifier for non-identifiers.  Mark English strings for
7785         translation.
7786         * c-pretty-print.h (pp_c_ws_string): Declare.
7787
7788 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
7789             Roland McGrath <roland@redhat.com>
7790
7791         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
7792         (ENABLE_LD_BUILDID): New configuration option.
7793         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
7794         (LINK_BUILDID_SPEC): New macro.
7795         (init_spec): If defined, prepend it between LINK_EH_SPEC and
7796         link_spec.
7797         * doc/install.texi: Document --enable-linker-build-id option.
7798         * configure: Rebuild.
7799         * config.in: Rebuild.
7800
7801 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
7802
7803         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
7804         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
7805         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
7806         MIPS_GP_SAVE_AREA_SIZE.
7807         * config/mips/mips.c (struct mips_frame_info): Update comment
7808         before arg_pointer_offset and hard_frame_pointer_offset.
7809         (mips_compute_frame_info): Update diagram before function: to
7810         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
7811         indicate the position of frame_pointer_rtx with -fstack-protector and
7812         to show args_size.  Don't allocate cprestore area for leaf functions
7813         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
7814         cprestore_size.
7815         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
7816
7817 2009-04-30  Michael Matz  <matz@suse.de>
7818
7819         PR tree-optimization/39955
7820         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
7821
7822 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
7823
7824         * ira.c (setup_cover_and_important_classes):  Use safe macro
7825         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
7826         directly.
7827         * genpreds.c (write_tm_preds_h):  Output suitable definition of
7828         REG_CLASS_FOR_CONSTRAINT.
7829
7830 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
7831
7832         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
7833         instead of an int.
7834         * bitmap.c (bitmap_descriptor): Likewise.
7835         * ggc-common.c (loc_descriptor): Likewise.
7836         * varray.c (varray_descriptor): Likewise.
7837         * vec.c (vec_descriptor): Likewise.
7838
7839 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
7840
7841         * Makefile.in (dce.o): Add $(EXCEPT_H).
7842         * dce.c: Include except.h and delete redundant vector definitions.
7843         (deletable_insn_p): Return false for non-call insns that can throw
7844         if DF is running.
7845
7846 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
7847
7848         * gcse.c (ae_gen): Remove.
7849         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
7850         and make non-static function to make it available in store-motion.c.
7851         Update call sites with search-and-replace.
7852         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
7853         extract_mentioned_regs, extract_mentioned_regs_helper,
7854         find_moveable_store, compute_store_table, load_kills_store, find_loads,
7855         store_killed_in_insn, store_killed_after, store_killed_before,
7856         build_store_vectors, insert_insn_start_basic_block, insert-store,
7857         remove_reachable_equiv_notes, replace_store_insn, delete_store,
7858         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
7859         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
7860         * store-motion.c: ...new file.  Also copy data structures from gcse.c
7861         and clean up to remove parts not used by store motion.
7862         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
7863         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
7864
7865 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7866
7867         PR target/38571
7868         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
7869         when optimizing for size.
7870
7871 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
7872
7873         * gcse.c (gcse_constant_p): Fix typo in last change.
7874
7875 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
7876
7877         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
7878
7879 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
7880
7881         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
7882
7883 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
7884
7885         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
7886         CONST_HIGH_PART result.
7887
7888 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
7889
7890         * config/avr/avr.c (initial_elimination_offset): Rename to
7891         avr_initial_elimination_offset.
7892         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
7893         change return type to bool.
7894         (avr_can_eliminate): New function.
7895         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
7896         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
7897         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
7898         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
7899         avr_initial_elimination_offset.
7900         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
7901         (avr_initial_elimination_offset): Define.
7902
7903 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
7904             Steven Bosscher  <steven@gcc.gnu.org>
7905
7906         PR rtl-optimization/39938
7907         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
7908         * cfgrtl.c: Include insn-attr.h.
7909         (rest_of_pass_free_cfg): New function.
7910         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
7911         * resource.c (init_resource_info): Remove call to df_analyze.
7912
7913 2009-04-29  Richard Guenther  <rguenther@suse.de>
7914
7915         PR target/39943
7916         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
7917         allow conversion to signed integers.
7918
7919 2009-04-29  Richard Guenther  <rguenther@suse.de>
7920
7921         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
7922         shifts of floating point vectors if the shift amount is
7923         a constant multiple of the element size.
7924
7925 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
7926             Michael Matz  <matz@suse.de>
7927
7928         PR middle-end/39927
7929         PR bootstrap/39929
7930         * tree-outof-ssa.c (emit_partition_copy): New function.
7931         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
7932         insert_part_to_rtx_on_edge): Perform the partition base var
7933         copy using emit_partition_copy.
7934         (insert_value_copy_on_edge): Convert constants to the right mode.
7935         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
7936         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
7937
7938 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
7939
7940         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
7941         scan backwards to try to find a constant to initialize it.
7942
7943         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
7944         insn before the loop_end instruction, don't look past labels.
7945
7946 2009-04-29  Richard Guenther  <rguenther@suse.de>
7947
7948         PR middle-end/39937
7949         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
7950         loose type conversions.
7951         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
7952         stmts only if there are no uses of its definition.
7953
7954 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
7955
7956         * config/bfin/bfin.h (splitting_loops): Declare.
7957         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
7958         Reorder bit definitions to be ascending.
7959         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
7960         * config/bfin/bfin.c (splitting_loops): New variable.
7961         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
7962         (struct loop_info): Remove members INIT and LOOP_INIT.
7963         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
7964         the LSETUP sequence.  Allow LC to be loaded from any register, but
7965         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
7966         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
7967         set to 1.
7968         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
7969         of reload_completed.
7970
7971         From Jie Zhang:
7972         * config/bfin/bfin.md (movsi_insn): Refine constraints.
7973
7974 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
7975
7976         * Makefile.in (PLUGIN_VERSION_H): New.
7977         (OBJS-common): Remove plugin-version.o.
7978         (plugin.o): Depend on (PLUGIN_VERSION_H).
7979         (plugin-version.o): Remove.
7980         * configure: Regenerate
7981         * configure.ac: Create plugin-version.h.
7982         * gcc-plugin.h (plugin_gcc_version): Remove.
7983         (plugin_default_version_check): Change signature.
7984         * plugin-version.c: Remove.
7985         * plugin.c: Include plugin-version.h.
7986         (str_plugin_gcc_version_name): Remove.
7987         (try_init_one_plugin): Pass gcc version to plugin_init.
7988         (plugin_default_version_check): Both gcc and plugin versions are now
7989         arguments.
7990
7991 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
7992         
7993         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
7994         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
7995         Remove special case testing for last insn of inner loops. Don't fail
7996         if the loop ends with a jump, emit an extra nop instead.
7997
7998         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
7999         DREGS rather than comparing directly.  Remove code that tries to
8000         account for latencies.
8001
8002 2009-04-29  Richard Guenther  <rguenther@suse.de>
8003
8004         PR tree-optimization/39941
8005         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
8006         eliminating an indirect call.
8007
8008 2009-04-29  Richard Guenther  <rguenther@suse.de>
8009
8010         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
8011         parameter.  Allow invariants as base if !require_lvalue.
8012         (verify_gimple_assign_single): Adjust.
8013
8014 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
8015
8016         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
8017         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
8018         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
8019         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
8020         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
8021         a VEC_SELECT.
8022         * config/bfin/bfin.c (bfin_expand_builtin,
8023         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
8024
8025 2009-04-28  Richard Guenther  <rguenther@suse.de>
8026
8027         * tree-vect-loop.c (get_initial_def_for_induction): Use
8028         correct types for pointer increment.
8029
8030 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8031
8032         * toplev.c (print_version): Update GMP version string calculation.
8033
8034 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
8035
8036         PR rtl-optimization/39938
8037         * resource.c (init_resource_info): Add call to df_analyze.
8038
8039 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
8040
8041         * config/alpha/alpha.md (usegp): Cast the result of
8042         alpha_find_lo_sum_using_gp to enum attr_usegp.
8043         * config/alpha/alpha.c (override_options): Remove end-of-structure
8044         marker element from cpu_table.  Use array size of cpu_table to handle
8045         -mcpu and -mtune options.
8046         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
8047
8048 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
8049
8050         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
8051         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
8052         tune_32 and tune_64.
8053         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
8054         support on PowerPC.
8055         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
8056         * config/rs6000/option-defaults.h: ... here.  New file.
8057         (OPT_64, OPT_32): Define.
8058         (MASK_64BIT): Define to 0 if not already defined.
8059         (OPT_ARCH64, OPT_ARCH32): Define.
8060         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
8061         and tune_64.
8062
8063 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8064
8065         * config/arm/arm.c (arm_override_options): Emit error on using
8066         fpa with AAPCS.
8067
8068 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
8069
8070         PR rtl-optimization/39914
8071         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
8072         registers for allocnos created from user-defined variables only
8073         when not optimizing.
8074
8075 2009-04-28  Richard Guenther  <rguenther@suse.de>
8076
8077         PR middle-end/39937
8078         * fold-const.c (fold_binary): Use distribute_real_division only
8079         on float types.
8080
8081 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
8082
8083         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
8084         add hpux-stdint.h to tm_file.
8085         (hppa[12]*-*-hpux11*): Ditto.
8086         (ia64*-*-hpux*): Ditto.
8087         * config/hpux-stdint.h: New.
8088         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
8089         __STDC_EXT__ for all compiles.
8090         * config/pa/pa-hpux.h: Ditto.
8091         * config/pa/pa-hpux10.h: Ditto.
8092         * config/pa/pa-hpux11.h: Ditto.
8093
8094 2009-04-28  Catherine Moore  <clm@codesourcery.com>
8095
8096         * debug.h (set_name): Add comment.
8097
8098 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
8099
8100         PR target/39929
8101         * config/darwin.c (machopic_gen_offset): Check
8102         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
8103         * config/arm/arm.c (require_pic_register): Likewise.
8104
8105 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
8106
8107         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
8108         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
8109         m32c_promote_prototypes): Delete.
8110
8111 2009-04-28  Michael Matz  <matz@suse.de>
8112
8113         PR middle-end/39922
8114         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
8115         constants.
8116
8117 2009-04-28  Richard Guenther  <rguenther@suse.de>
8118
8119         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
8120
8121 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8122
8123         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
8124         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
8125         * config/arm/arm-tune.md: Regenerate.
8126
8127 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
8128
8129         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
8130         block if there are complex incoming edges.
8131         (sel_merge_blocks): Remove useless assert.
8132         (sel_redirect_edge_and_branch): Check that edge was redirected.
8133         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
8134         (sel_find_rgns): Delete declaration.
8135         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
8136         the region when it is not a preheader.
8137
8138 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
8139
8140         PR c/39323
8141         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
8142
8143 2009-04-28  Richard Guenther  <rguenther@suse.de>
8144
8145         * tree.h (SSA_NAME_VALUE): Remove.
8146         (struct tree_ssa_name): Remove value_handle member.
8147         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
8148         array for jump threading.
8149         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
8150         SSA_NAME_VALUEs.
8151         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
8152         * tree-flow.h (threadedge_initialize_values): Declare.
8153         (threadedge_finalize_values): Likewise.
8154         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
8155         (SSA_NAME_VALUE): Define.
8156         (threadedge_initialize_values): New function.
8157         (threadedge_finalize_values): Likewise.
8158         * tree-ssa-dom.c (ssa_name_values): New global variable.
8159         (SSA_NAME_VALUE): Define.
8160         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
8161
8162 2009-04-28  Ira Rosen  <irar@il.ibm.com>
8163
8164         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
8165         Use REPORT_VECTORIZED_LOCATIONS instead 
8166         REPORT_VECTORIZED_LOOPS.
8167         * tree-vectorizer.c (vect_verbosity_level): Make static.
8168         (vect_loop_location): Rename to vect_location.
8169         (vect_set_verbosity_level): Update comment.
8170         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
8171         and vect_location.
8172         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
8173         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
8174         instead REPORT_UNVECTORIZED_LOOPS.
8175         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
8176         and vect_loop_def to vect_external_def and vect_internal_def.
8177         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
8178         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
8179         REPORT_UNVECTORIZED_LOCATIONS.
8180         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
8181         and vect_used_in_loop and to vect_unused_in_scope and 
8182         vect_used_in_scope.
8183         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
8184         (vect_verbosity_level): Remove declaration.
8185         (vect_analyze_operations): Likewise.
8186         (vect_analyze_stmt): Declare.
8187         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
8188         REPORT_UNVECTORIZED_LOCATIONS.
8189         (vect_get_loop_niters): Fix indentation.
8190         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
8191         (vect_analyze_loop_operations): New function.
8192         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
8193         vect_analyze_operations.
8194         (vect_is_simple_reduction): Use new names.
8195         (vectorizable_live_operation, vect_transform_loop): Likewise.
8196         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
8197         to specify whether the data references can be a part of interleaving
8198         chain.
8199         (vect_analyze_data_ref_dependence): Use new names.
8200         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
8201         (vect_create_addr_base_for_vector_ref): Remove redundant code.
8202         * tree-vect-patterns.c (widened_name_p): Use new names.
8203         (vect_recog_dot_prod_pattern): Likewise.
8204         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
8205         (process_use, vect_mark_stmts_to_be_vectorized, 
8206         vect_model_simple_cost, vect_model_store_cost,
8207         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
8208         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
8209         vectorizable_operation, vectorizable_type_demotion,
8210         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
8211         vectorizable_condition): Likewise.
8212         (vect_analyze_operations): Split into vect_analyze_loop_operations
8213         and ...
8214         (vect_analyze_stmt): ... new function.
8215         (new_stmt_vec_info): Use new names.
8216         (vect_is_simple_use): Use new names and fix comment.
8217         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
8218         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
8219
8220 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
8221
8222         PR target/39911
8223         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
8224         and integer modes for x87 operands.  Do not ICE for unsupported size,
8225         generate error instead.  Generate error for unsupported operand types.
8226         ['z']: Do not handle HImode memory operands specially.  Warning
8227         for floating-point operands.  Fallthru to 'Z' for unsupported operand
8228         types.  Do not ICE for unsupported size, generate error instead.
8229         (output_387_binary_op): Use %Z to output operands.
8230         (output_fp_compare): Ditto.
8231         (output_387_reg_move): Ditto.
8232
8233 2009-04-28  Ben Elliston  <bje@au.ibm.com>
8234
8235         PR c++/35652
8236         Revert:
8237
8238         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8239
8240         * builtins.c (c_strlen): Do not warn here.
8241         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
8242         * c-common.c (pointer_int_sum): Take an explicit location.
8243         Warn about offsets out of bounds.
8244         * c-common.h (pointer_int_sum): Adjust declaration.
8245
8246 2009-04-27  Ian Lance Taylor  <iant@google.com>
8247
8248         * collect2.c (is_ctor_dtor): Change type of ret field in struct
8249         names to symkind.
8250         * dce.c (run_fast_df_dce): Change type of old_flags to int.
8251         * df-core.c (df_set_flags): Change return type to int.  Change
8252         type of old_flags to int.
8253         (df_clear_flags): Likewise.
8254         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
8255         (df_get_conditional_uses): Likewise.
8256         * df.h (df_set_flags, df_clear_flags): Update declarations.
8257         * dwarf2out.c (struct indirect_string_node): Change type of form
8258         field to enum dwarf_form.
8259         (AT_string_form): Change return type to enum dwarf_form.
8260         * fixed-value.c (fixed_compare): Add cast to enum type.
8261         * fwprop.c (update_df): Change 0 to VOIDmode.
8262         * gensupport.c: Change 0 to UNKNOWN.
8263         * gimple.h (gimple_cond_code): Add cast to enum type.
8264         * haifa-sched.c (reemit_notes): Add cast to enum type.
8265         * hooks.c (hook_int_void_no_regs): Remove function.
8266         * hooks.h (hook_int_void_no_regs): Remove declaration.
8267         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
8268         * predict.c (combine_predictions_for_insn): Add casts to enum type.
8269         * real.c (real_arithmetic): Add cast to enum type.
8270         (real_compare): Likewise.
8271         * target.h (struct gcc_target): Change return type of
8272         branch_target_register_class to enum reg_class.
8273         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
8274         default_branch_target_register_class.
8275         * targhooks.c (default_branch_target_register_class): New function.
8276         * targhooks.h (default_branch_target_register_class): Declare.
8277         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
8278         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
8279         cast to int.
8280         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
8281         ERROR_MARK.
8282         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
8283         vect_uninitialized_def.  Change 0 to ERROR_MARK.
8284         * tree-vect-stmts.c (supportable_widening_operation): Don't
8285         initialize icode1 and icode2.
8286         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
8287         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
8288         and to STD_C89.
8289         (cmn_err_flag_specs): Change 0 to STD_C89.
8290         (cmn_err_char_table): Likewise.
8291         * config/arm/arm.c (get_arm_condition_code): Change type of code
8292         to enum arm_cond_code.
8293         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
8294         (IWMMXT_BUILTIN2): Likewise.
8295         (neon_builtin_type_bits): Don't define typedef.
8296         (neon_builtin_datum): Change type of bits field to int.
8297         (arm_expand_neon_args): Add cast to enum type.
8298         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
8299         TLS_MODEL_NONE.
8300         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
8301         casts to enum type.
8302         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
8303         MIPS_FP_COND_f.
8304         * config/mips/mips.md (jal_macro): Return enum constant.
8305         (single_insn): Likewise.
8306         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
8307         CODE_FOR_nothing.
8308         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
8309         casts to enum type.
8310         * config/s390/s390.c (s390_tune_flags): Change type to int.
8311         (s390_arch_flags): Likewise.
8312         (s390_handle_arch_option): Change flags field of struct pta to int.
8313         * config/s390/s390.h (s390_tune_flags): Update declaration.
8314         (s390_arch_flags): Likewise.
8315         * config/sh/sh.c (prepare_move_operands): Compare
8316         tls_symbolic_operand result with enum constant.
8317         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
8318         (sh_expand_prologue): Add cast to enum type.
8319         (sh_expand_epilogue): Likewise.
8320         (tls_symbolic_operand): Change return type to enum tls_model.
8321         (fpscr_set_from_mem): Add cast to enum type.
8322         (legitimize_pic_address): Compare tls_symbolic_operand result with
8323         enum constant.
8324         (sh_target_reg_class): Change return type to enum reg_class.
8325         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
8326         PROCESSOR_xxx.
8327         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
8328         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
8329         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
8330         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
8331         (delayed_branch, tls_call_delay): Likewise.
8332         (eligible_for_sibcall_delay): Likewise.
8333         (eligible_for_return_delay): Likewise. 
8334         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
8335         (spu_expand_builtin_1): Likewise.
8336
8337         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
8338         for all types of conversions.
8339         (output_init_element): Issue -Wc++-compat warning if needed when
8340         initializing a bitfield with enum type.
8341         * c-parser.c (c_parser_expression): Set original_type to
8342         original_type of right hand operand of comman operator.
8343
8344 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8345
8346         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
8347         grammar nits.
8348         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
8349         * doc/cpp.texi (Standard Predefined Macros)
8350         (Implementation-defined behavior): Likewise.
8351         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
8352         * doc/gimple.texi (GIMPLE Exception Handling)
8353         (@code{GIMPLE_ASSIGN}): Likewise.
8354         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
8355         * doc/invoke.texi (Warning Options, Optimize Options)
8356         (AVR Options, Darwin Options): Likewise.
8357         (Optimize Options): Reformulate -fwhole-program description.
8358         * doc/loop.texi (Lambda): Likewise.
8359         * doc/md.texi (Output Template, Define Constraints)
8360         (Standard Names, Insn Splitting): Likewise.
8361         * doc/options.texi (Option properties): Likewise.
8362         * doc/passes.texi (Tree-SSA passes): Likewise.
8363         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
8364         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
8365         (File Names and DBX): Likewise.
8366         * doc/trouble.texi (Incompatibilities): Likewise.
8367
8368 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
8369
8370         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
8371         instruction is correct.
8372
8373 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
8374
8375         Allow non-constant arguments to conversion intrinsics.
8376         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
8377         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
8378         * spu.c (print_operand): Handle 'v' and 'w'.
8379         (exp2_immediate_p, spu_gen_exp2): Define.
8380         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
8381         spu_convtf_1): Update parameter descriptions.
8382         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
8383         * constraints.md ('v', 'w'): New.
8384         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
8385         Remove.
8386         (i2f, I2F): New define_mode_attr.
8387         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
8388         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
8389         fixuns_truncv4sfv4si2):  Update to use mode attribute.
8390         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
8391         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
8392         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
8393         patterns for combine.
8394
8395 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
8396
8397         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
8398         (cprop, hoist, pre, store_motion): New debug counters.
8399         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
8400         is not an RTL pass anymore.
8401         (pass_profiling): Remove extern decl for pass removed in 2005.
8402         (pass_gcse, pass_jump_bypass): Remove.
8403         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
8404         to 0 for clean state.
8405         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
8406         * cse.c (gate_handle_cse_after_global_opts,
8407         rest_of_handle_cse_after_global_opts): New functions.
8408         (pass_cse_after_global_opts): New pass, does local CSE.
8409         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
8410         (TV_CPROP): New timevar.
8411         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
8412         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
8413         (gcse_main, recompute_all_luids): Remove.
8414         (compute_hash_table_work): Call max_reg_num instead of reading
8415         max_gcse_regno.
8416         (cprop_jump): Don't set run_jump_opt_after_gcse.
8417         (constprop_register): Always allow to alter jumps.
8418         (cprop_insn): Likewise.
8419         (do_local_cprop): Likewise.
8420         (local_cprop_pass): Likewise.  Return non-zero if something changed.
8421         (cprop): Remove function, fold interesting bits into one_cprop_pass.
8422         (find_implicit_sets): Add note about missed optimization opportunity.
8423         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
8424         pass_rtl_cprop execute function.
8425         Don't bother tracking the pass number, each pass gets its own dumpfile
8426         now anyway.
8427         Always allow to alter jumpsand bypass jumps.
8428         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
8429         will just find no suitable set.
8430         (pre_edge_insert): Fix dumping, this function is for PRE only.
8431         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
8432         pass_rtl_pre execute function.
8433         (hoist_code): Return non-zero if something changed.  Keep track of
8434         substitutions and insertions for statistics gathering similar to PRE.
8435         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
8436         called from the pass_rtl_hoist execute function.  Show pass statistics.
8437         (compute_store_table): Use max_reg_num directly instead of using the
8438         formerly global max_gcse_regno.
8439         (build_store_vectors): Likewise.
8440         (replace_store_insn): Fix dumping.
8441         (store_motion): Rename to ...
8442         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
8443         pass, called from the pass_rtl_store_motion execute function.  Keep
8444         track of substitutions and insertions for statistics gathering similar
8445         to PRE.
8446         (bypass_jumps): Remove, fold interesting bits into ...
8447         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
8448         from the pass_rtl_cprop execute function.
8449         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
8450         pass_jump_bypass): Remove.
8451         (gate_handle_gcse, rest_of_handle_gcse): Remove.
8452         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
8453         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
8454         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
8455         (gate_rtl_store_motion, execute_rtl_store_motion,
8456         pass_rtl_store_motion): New.
8457         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
8458         make it clear that -fcse-skip-blocks is a no-op for backward compat.
8459         * passes.c (init_optimization_passes): Remove pass_gcse and
8460         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
8461         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
8462         instead of pass_jump_bypass.
8463
8464 2009-04-27  Richard Guenther  <rguenther@suse.de>
8465
8466         PR middle-end/39928
8467         * gimplify.c (gimplify_expr): If we are required to create
8468         a temporary make sure it ends up as register.
8469
8470 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
8471
8472         PR target/39903
8473         * config/i386/i386.c (construct_container): Don't call
8474         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
8475         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
8476
8477 2009-04-27  Michael Matz  <matz@suse.de>
8478
8479         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
8480         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
8481         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
8482         (dump_replaceable_exprs): Take a bitmap.
8483         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
8484         array.
8485         (expand_gimple_basic_block): Likewise.
8486         * tree-ssa-ter.c (struct temp_expr_table_d): Make
8487         replaceable_expressions member a bitmap.
8488         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
8489         (mark_replaceable): Likewise.
8490         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
8491         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
8492
8493 2009-04-27  Richard Guenther  <rguenther@suse.de>
8494
8495         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
8496         (verify_stmts): Dispatch to gimple/type verification code.
8497         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
8498         issue with call argument types.
8499
8500 2009-04-27  Michael Matz  <matz@suse.de>
8501
8502         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
8503         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
8504         to above.
8505
8506 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
8507             Eric Botcazou  <ebotcazou@adacore.com>
8508
8509         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
8510         a label's basic block.
8511         (mark_target_live_regs): Tidy and rework obsolete comments.
8512         Change back DF problem to LIVE.  If a label starts a basic block,
8513         assume that all registers that used to be live then still are.
8514         (init_resource_info): If a label starts a basic block, set its
8515         BLOCK_FOR_INSN accordingly.
8516         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
8517
8518 2009-04-27  Richard Guenther  <rguenther@suse.de>
8519
8520         * tree-flow-inline.h (function_ann): Remove.
8521         (get_function_ann): Likewise.
8522         * tree-dfa.c (create_function_ann): Remove.
8523         * tree-flow.h (struct static_var_ann_d): Remove.
8524         (struct function_ann_d): Likewise.
8525         (union tree_ann_d): Remove fdecl member.
8526         (function_ann_t): Remove.
8527         (function_ann, get_function_ann, create_function_ann): Remove
8528         declarations.
8529
8530 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
8531
8532         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
8533
8534 2009-04-27  Jan Hubicka  <jh@suse.cz>
8535
8536         * ipa-pure-const.c (struct funct_state_d): New fields
8537         state_previously_known, looping_previously_known; remove
8538         state_set_in_source.
8539         (analyze_function): Use new fields.
8540         (propagate): Avoid assumption that state_set_in_source imply
8541         nonlooping.
8542
8543         * tree-ssa-loop-niter.c (finite_loop_p): New function.
8544         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
8545         * cfgloop.h (finite_loop_p): Declare.
8546
8547 2009-04-26  Michael Matz  <matz@suse.de>
8548
8549         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
8550
8551 2009-04-26  Michael Matz  <matz@suse.de>
8552
8553         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
8554         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
8555         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
8556         pass_mark_used_blocks): Remove.
8557         * tree-optimize.c (pass_free_datastructures,
8558         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
8559         * passes.c (init_optimization_passes): Don't call
8560         pass_mark_used_blocks, remove dead code.
8561
8562 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
8563
8564         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
8565         * tree-ssa-live.h (register_ssa_partition): Likewise.
8566
8567 2009-04-26  Michael Matz  <matz@suse.de>
8568
8569         Expand from SSA.
8570         * builtins.c (fold_builtin_next_arg): Handle SSA names.
8571         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
8572         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
8573         SSA names. 
8574         (compare_pairs): Swap cost comparison.
8575         (coalesce_ssa_name): Don't use change_partition_var.
8576         * tree-nrv.c (struct nrv_data): Add modified member.
8577         (finalize_nrv_r): Set it.
8578         (tree_nrv): Use it to update statements.
8579         (pass_nrv): Require PROP_ssa.
8580         * tree-mudflap.c (mf_decl_cache_locals,
8581         mf_build_check_statement_for): Use make_rename_temp.
8582         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
8583         * alias.c (find_base_decl): Handle SSA names.
8584         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
8585         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
8586         * rtl.h (set_reg_attrs_for_parm): Declare.
8587         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
8588         to "optimized", remove unused locals at finish.
8589         (execute_free_datastructures): Make global, call
8590         delete_tree_cfg_annotations.
8591         (execute_free_cfg_annotations): Don't call
8592         delete_tree_cfg_annotations.
8593
8594         * ssaexpand.h: New file.
8595         * expr.c (toplevel): Include ssaexpand.h.
8596         (expand_assignment): Handle SSA names the same as register variables.
8597         (expand_expr_real_1): Expand SSA names.
8598         * cfgexpand.c (toplevel): Include ssaexpand.h.
8599         (SA): New global variable.
8600         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
8601         (SSAVAR): New macro.
8602         (set_rtl): New helper function.
8603         (add_stack_var): Deal with SSA names, use set_rtl.
8604         (expand_one_stack_var_at): Likewise.
8605         (expand_one_stack_var): Deal with SSA names.
8606         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
8607         before unique numbers.
8608         (expand_stack_vars): Use set_rtl.
8609         (expand_one_var): Accept SSA names, add asserts for them, feed them
8610         to above subroutines.
8611         (expand_used_vars): Expand all partitions (without default defs),
8612         then only the local decls (ignoring those expanded already).
8613         (expand_gimple_cond): Remove edges when jumpif() expands an
8614         unconditional jump.
8615         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
8616         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
8617         SSA name.
8618         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
8619         members of SA; deal with PARM_DECL partitions here; expand
8620         all PHI nodes, free tree datastructures and SA.  Commit instructions
8621         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
8622         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
8623         info and statements at start, collect garbage at finish.
8624         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
8625         (VAR_ANN_PARTITION) Remove.
8626         (change_partition_var): Don't declare.
8627         (partition_to_var): Always return SSA names.
8628         (var_to_partition): Only accept SSA names.
8629         (register_ssa_partition): Only check argument.
8630         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
8631         member.
8632         (delete_var_map): Don't free it.
8633         (var_union): Only accept SSA names, simplify.
8634         (partition_view_init): Mark only useful SSA names as used.
8635         (partition_view_fini): Only deal with SSA names.
8636         (change_partition_var): Remove.
8637         (dump_var_map): Use ssa_name instead of partition_to_var member.
8638         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
8639         basic blocks.
8640         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
8641         (struct _elim_graph): New member const_dests; nodes member vector of
8642         ints.
8643         (set_location_for_edge): New static helper.
8644         (create_temp): Remove.
8645         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
8646         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
8647         (new_elim_graph): Allocate const_dests member.
8648         (clean_elim_graph): Truncate const_dests member.
8649         (delete_elim_graph): Free const_dests member.
8650         (elim_graph_size): Adapt to new type of nodes member.
8651         (elim_graph_add_node): Likewise.
8652         (eliminate_name): Likewise.
8653         (eliminate_build): Don't take basic block argument, deal only with
8654         partition numbers, not variables.
8655         (get_temp_reg): New static helper.
8656         (elim_create): Use it, deal with RTL temporaries instead of trees.
8657         (eliminate_phi): Adjust all calls to new signature.
8658         (assign_vars, replace_use_variable, replace_def_variable): Remove.
8659         (rewrite_trees): Only do checking.
8660         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
8661         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
8662         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
8663         contains_tree_r, MAX_STMTS_IN_LATCH,
8664         process_single_block_loop_latch, analyze_edges_for_bb,
8665         perform_edge_inserts): Remove.
8666         (expand_phi_nodes): New global function.
8667         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
8668         functions, initialize new parameter, remember partitions having a
8669         default def.
8670         (finish_out_of_ssa): New global function.
8671         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
8672         don't reset in_ssa_p here, don't disable TER when mudflap.
8673         (pass_del_ssa): Remove.
8674         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
8675         partition members.
8676         (execute_free_datastructures): Declare.
8677         * Makefile.in (SSAEXPAND_H): New variable.
8678         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
8679         * basic-block.h (commit_one_edge_insertion): Declare.
8680         * passes.c (init_optimization_passes): Move pass_nrv and
8681         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
8682         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
8683         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
8684         (redirect_branch_edge): Deal with super block when expanding, split
8685         out jump patching itself into ...
8686         (patch_jump_insn): ... here, new static helper.
8687
8688 2009-04-26  Michael Matz  <matz@suse.de>
8689
8690         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
8691         beyond num_ssa_names.
8692         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
8693         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
8694
8695 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
8696
8697         PR inline-asm/39543
8698         * fwprop.c (forward_propagate_asm): New function.
8699         (forward_propagate_and_simplify): Propagate also into __asm, if it
8700         doesn't increase the number of referenced registers.
8701
8702         PR c/39889
8703         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
8704
8705 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
8706
8707         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
8708         note_nonlocal_vla_type for nonlocal VLAs.
8709         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
8710         contains_remapped_vars, remap_vla_decls): New functions.
8711         (convert_nonlocal_reference_stmt): If not optimizing, call
8712         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
8713         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
8714         if it wasn't found in var_map.
8715         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
8716         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
8717         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
8718         declare_vars.
8719         * gimplify.c (nonlocal_vlas): New variable.
8720         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
8721         referenced VLAs.
8722         (gimplify_body): Create and destroy nonlocal_vlas.
8723
8724         * dwarf2out.c (loc_descr_plus_const): New function.
8725         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
8726         mem_loc_descriptor, loc_descriptor_from_tree_1,
8727         descr_info_loc, gen_variable_die): Use it.
8728
8729         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
8730         !TREE_STATIC VAR_DECLs.
8731         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
8732         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
8733         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
8734         DECL_BY_REFERENCE is valid.
8735         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
8736         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
8737         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
8738         Copy DECL_BY_REFERENCE.
8739         (struct nesting_copy_body_data): New type.
8740         (nesting_copy_decl): New function.
8741         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
8742         if they have variable length.
8743
8744 2009-04-26  Michael Matz  <matz@suse.de>
8745
8746         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
8747         mark new temporaries for renaming.
8748
8749 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
8750
8751         PR c/39581
8752         * c-decl.c (global_bindings_p): Return negative value.
8753         (c_variable_size): New.  Based on variable_size from
8754         stor-layout.c.
8755         (grokdeclarator): Call c_variable_size not variable_size.
8756
8757 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
8758
8759         * config/i386/i386.c (print_operand) ['z']: Fix typo.
8760
8761 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
8762
8763         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
8764         Redefine it to just use mingw/include.
8765         (ASM_SPEC): Rules for -m32 and -m64.
8766         (LINK_SPEC): Use Likewise.
8767         (SPEC_32): New define.
8768         (SPEC_64): Likewise.
8769         (SUB_LINK_SPEC): Likewise.
8770         (MULTILIB_DEFAULTS): New define.
8771         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
8772         Add multilib options.
8773         (MULTILIB_DIRNAMES): Likewise.
8774         (MULTILIB_OSDIRNAMES): Likewise.
8775         (LIBGCC): Likewise.
8776         (INSTALL_LIBGCC): Likewise.
8777
8778 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
8779
8780         PR c/39556
8781         * c-tree.h (enum c_inline_static_type): New.
8782         (record_inline_static): Declare.
8783         * c-decl.c (struct c_inline_static, c_inline_statics,
8784         record_inline_static, check_inline_statics): New.
8785         (pop_file_scope): Call check_inline_statics.
8786         (start_decl): Call record_inline_static instead of pedwarning
8787         directly for static in inline function.
8788         * c-typeck.c (build_external_ref): Call record_inline_static
8789         instead of pedwarning directly for static referenced in inline
8790         function.
8791
8792 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
8793
8794         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
8795         not new but only being rescanned.
8796         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
8797         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
8798         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
8799         record_set_info, compute_set, grealloc): Remove.
8800         (recompute_all_luids): New function.
8801         (gcse_main): Don't compute sets, and don't do related memory
8802         allocations/free-ing.  If something changed before the end of the
8803         pass, update LUIDs using recompute_all_luids.
8804         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
8805         (free_gcse_mem): Don't free it either.
8806         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
8807         Use the df insn LUIDs.
8808         (load_killed_in_block): Likewise.
8809         (compute_hash_table_work): Don't compute reg_set_in_block.
8810         (compute_transp): Use DF_REG_DEF_CHAINs.
8811         (local_cprop_pass): Don't use compute_sets and related functions.
8812         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
8813         Use get_max_uid() instead of max_cuid.
8814         (insert_insn_end_basic_block, pre_insert_copy_insn,
8815         update_ld_motion_stores): Don't try to
8816         keep reg_set tables up to date.
8817         (pre_insert_copies): Use df insn LUIDs.
8818         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
8819         (reg_set_info): Don't use extra bitmap argument.
8820         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
8821         information to compute regs_set_in_block.
8822         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
8823         (bypass_jumps): Don't use compute_sets and friends.
8824
8825 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8826
8827         PR testsuite/39710
8828         * opts.c (undocumented_msg): Do not leave blank even with
8829         ENABLE_CHECKING.
8830
8831 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
8832
8833         * c-decl.c (build_enumerator): Allow values folding to integer
8834         constants but not integer constant expressions with a pedwarn if
8835         pedantic.
8836
8837 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
8838
8839         PR c/39582
8840         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
8841         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
8842         type is an integer constant.
8843
8844 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
8845
8846         PR target/39897
8847         * config/i386/i386.c (print_operand) ['z']: Revert handling of
8848         HImode operands.
8849
8850 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
8851
8852         PR c/39564
8853         * c-decl.c (grokdeclarator): Diagnose declarations of functions
8854         with variably modified return type and no storage class
8855         specifiers, except for the case of nested functions.  Distinguish
8856         extern declarations of functions with variably modified return
8857         types from those of objects with variably modified types.
8858
8859 2009-04-25  Jan Hubicka  <jh@suse.cz>
8860
8861         * tree.c (list_equal_p): New function.
8862         * tree.h (list_equal_p): Declare.
8863         * coretypes.h (edge_def, edge, const_edge, basic_block_def
8864         basic_block_def, basic_block, const_basic_block): New.
8865         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
8866         (redirect_eh_edge): New function.
8867         (make_eh_edge_update_phi): EH edges are not abnormal.
8868         * except.c: Include tree-flow.h.
8869         (list_match): New function.
8870         (eh_region_replaceable_by_p): New function.
8871         (replace_region): New function.
8872         (hash_type_list): New function.
8873         (hash_eh_region): New function.
8874         (eh_regions_equal_p): New function.
8875         (merge_peers): New function.
8876         (remove_unreachable_regions): Verify EH tree when checking;
8877         merge peers.
8878         (copy_eh_region_1): New function.
8879         (copy_eh_region): New function.
8880         (push_reachable_handler): New function.
8881         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
8882         regions without label but with live RESX.
8883         * except.h (redirect_eh_edge_to_label): New.
8884         * tree-flow.h (redirect_eh_edge): New.
8885         * coretypes.h (edge_def, edge, const_edge, basic_block_def
8886         basic_block_def, basic_block, const_basic_block): Remove.
8887         * Makefile.in (except.o): Add dependency on tree-flow.h
8888         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
8889         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
8890         Remove.
8891
8892 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
8893
8894         PR bootstrap/39645
8895         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
8896         on the destination of memcpy.
8897
8898 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
8899
8900         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
8901         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
8902         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
8903
8904 2009-04-25  Jan Hubicka  <jh@suse.cz>
8905
8906         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
8907         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
8908         to be reached by different label than left.
8909         (update_eh_edges): Update comment; remove edge_to_remove if possible
8910         and return true if suceeded.
8911         (cleanup_empty_eh): Accept sharing map; handle shared regions.
8912         (cleanup_eh): Compute sharing map.
8913         * except.c (remove_eh_handler_and_replace): Add argument if we should
8914         update regions.
8915         (remove_unreachable_regions): Update for label sharing.
8916         (label_to_region_map): Likewise.
8917         (get_next_region_sharing_label): New function.
8918         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
8919         prev_try pointers.
8920         (remove_eh_handler): Update.
8921         (remove_eh_region_and_replace_by_outer_of): New function.
8922         * except.h (struct eh_region): Add next_region_sharing_label.
8923         (remove_eh_region_and_replace_by_outer_of,
8924         get_next_region_sharing_label): Declare.
8925         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
8926
8927 2009-04-25  Jan Hubicka  <jh@suse.cz>
8928
8929         * tree-cfg.c (split_critical_edges): Split also edges where we can't
8930         insert code even if they are not critical.
8931
8932 2009-04-25  Jan Hubicka  <jh@suse.cz>
8933
8934         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
8935         (gimple_can_remove_branch_p): EH edges won't remove branch by
8936         redirection.
8937         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
8938         updating of non-abnormal EH edges.
8939         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
8940         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
8941         (split_critical_edges): Split also edges where emitting code on them
8942         will lead to splitting later.
8943
8944 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
8945             H.J. Lu  <hongjiu.lu@intel.com>
8946
8947         PR target/39590
8948         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
8949         the configured assembler supports fildq and fistpq mnemonics.
8950         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
8951         * configure: Regenerated.
8952         * config.in: Ditto.
8953
8954         * config/i386/i386.c (print_operand): Handle 'Z'.
8955         ['z']: Remove handling of special fild/fist suffixes.
8956         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
8957         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
8958         suffix of fild insn.
8959         (*floatsi<mode>2_vector_mixed): Ditto.
8960         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
8961         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
8962         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
8963         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
8964         * config/i386/gas.h (GAS_MNEMONICS): Remove.
8965
8966 2009-04-25  Ben Elliston  <bje@au.ibm.com>
8967  
8968         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
8969         the source of a set operation.
8970
8971 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
8972
8973         * target.h (struct gcc_target): Add case_values_threshold field.
8974         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
8975         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
8976         * targhooks.c (default_case_values_threshold): New function.
8977         * targhooks.h (default_case_values_threshold): Declare function.
8978         * stmt.c (expand_case): Use case_values_threshold target hook.
8979         * expr.h (case_values_threshold): Remove declartation.
8980         * expr.c (case_values_threshold): Remove function.
8981         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
8982
8983         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
8984         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
8985         (avr_case_values_threshold): Declare as static.
8986         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
8987
8988         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
8989         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
8990         (mn10300_case_values_threshold): New function.
8991
8992 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
8993
8994         * ira.c (setup_cover_and_important_classes): Add enum cast.
8995
8996 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
8997
8998         * genpreds.c (write_enum_constraint_num): Output definition of
8999         CONSTRAINT_NUM_DEFINED_P macro.
9000         * ira.c (setup_cover_and_important_classes): Use
9001         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
9002         
9003 2009-04-24  DJ Delorie  <dj@redhat.com>
9004
9005         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
9006         __SH2A_SINGLE_ONLY__ also.
9007
9008 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
9009
9010         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
9011         (movdf_internal): Ditto.
9012         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
9013         SFmode and DFmode constants.
9014         (ia64_print_operand): Add 'G' format for printing
9015         floating point constants.
9016
9017 2009-04-24  Richard Guenther  <rguenther@suse.de>
9018
9019         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
9020         from unsigned additions.
9021
9022 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
9023
9024         * c-typeck.c (set_init_index): Allow array designators that are
9025         not integer constant expressions with a pedwarn if pedantic.
9026
9027 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
9028
9029         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
9030         zero if no overlap in nonzero bits between the operands.
9031
9032 2009-04-24  Ian Lance Taylor  <iant@google.com>
9033
9034         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
9035         (record_dead_and_set_regs): Likewise.
9036         * df.h (struct df_mw_hardreg): Change flags field to int.
9037         (struct df_base_ref): Likewise.
9038         (struct df): Change changeable_flags field to int.
9039         * df-scan.c (df_defs_record): Change clobber_flags to int.
9040         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
9041         constants rather than #define macros.
9042         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
9043         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
9044         (enum dwarf_calling_convention): Likewise.
9045         (enum dwarf_line_number_x_ops): Likewise.
9046         (enum dwarf_call_frame_info): Likewise.
9047         (enum dwarf_source_language): Likewise.
9048         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
9049         (add_calling_convention_attribute): Likewise.
9050         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
9051         (combine_comparisons): Change compcode to int.  Add cast to enum type.
9052         * genrecog.c (maybe_both_true_2): Change c to int.
9053         (write_switch): Likewise.  Add cast to enum type.
9054         * gimplify.c (gimplify_omp_for): Handle return values from
9055         gimplify_expr using MIN rather than bitwise or.
9056         (gimplify_expr): Add cast to enum type.
9057         * ipa-prop.c (update_jump_functions_after_inlining): Change
9058         IPA_BOTTOM to IPA_JF_UNKNOWN.
9059         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
9060         Add casts to enum type.
9061         (setup_cover_and_important_classes): Change cl to int.  Add casts
9062         to enum type.
9063         (setup_class_translate): Change cl and mode to int.
9064         (ira_init_once): Change mode to int.
9065         (free_register_move_costs): Likewise.
9066         (setup_prohibited_mode_move_regs): Add casts to enum type.
9067         * langhooks.c (add_builtin_function_common): Rework assertion that
9068         value fits bitfield.
9069         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
9070         * omega.c (omega_do_elimination): Avoid math on enum types.
9071         * optabs.c (expand_vec_shift_expr): Remove casts to int.
9072         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
9073         int local to handle integral_argment value.
9074         * regmove.c (try_auto_increment): Change PUT_MODE to
9075         PUT_REG_NOTE_KIND.
9076         * reload.c (push_secondary_reload): Add casts to enum type.
9077         (secondary_reload_class, find_valid_class): Likewise.
9078         * reload1.c (emit_input_reload_insns): Likewise.
9079         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
9080         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
9081         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
9082         constant.
9083         * tree.c (build_common_builtin_nodes): Add casts to enum type.
9084         * tree-complex.c (complex_lattice_t): Typedef to int rather than
9085         enum type.
9086         (expand_complex_libcall): Add casts to enum type.
9087         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
9088         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
9089         with ERROR_MARK, not NUM_TREE_CODES.
9090         (vect_create_epilog_for_reduction): Likewise.
9091         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
9092         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
9093         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
9094         enum machine_mode.
9095         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
9096         vect_unused_in_loop.  Change 0 to loop_vect.
9097         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
9098         * var-tracking.c (get_init_value): Change return type to enum
9099         var_init_status.
9100         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
9101         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
9102         arm_fp_model.
9103         (arm_override_options): Add casts to enum type.
9104         (arm_emit_tls_decoration): Likewise.
9105         * config/i386/i386.c (ix86_function_specific_restore): Add casts
9106         to enum type.
9107         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
9108         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
9109         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
9110         enum type.
9111         * config/s390/s390.c (code_for_builtin_64): Change to array of
9112         enum insn_code.
9113         (code_for_builtin_31): Likewise.
9114         (s390_expand_builtin): Change code_for_builtin to enum insn_code
9115         const *.
9116         * config/sparc/sparc.c (sparc_override_options): Change value
9117         field in struct code_model to enum cmodel.  In initializer change
9118         0 to NULL and add cast to enum type.
9119
9120         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
9121         Change all callers.  Issue a -Wc++-compat warning using
9122         lhs_origtype if necessary.
9123         (convert_for_assignment): Issue -Wc++-compat warnings about
9124         invalid conversions to enum type on assignment.
9125         * c-common.h (build_modify_expr): Update declaration.
9126
9127 2009-04-24  Nick Clifton  <nickc@redhat.com>
9128
9129         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
9130         (function_arg_advance): Likewise.
9131         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
9132         5th alternative.
9133
9134 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9135
9136         * config/s390/constraints.md ('I', 'J'): Fix condition.
9137
9138 2009-04-24  Diego Novillo  <dnovillo@google.com>
9139
9140         * gengtype-parse.c (parse_error): Add newline after message.
9141
9142 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
9143
9144         * config/i386/sse.md (avxmodesuffixs): Removed.
9145         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
9146         (*avx_pinsr<ssevecsize>): This.
9147
9148 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
9149
9150         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
9151         follow chains of regs with a single definition, and allow expressions
9152         that are function_invariant_p.
9153         (simple_rhs_p): Allow expressions that are function_invariant_p.
9154
9155 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
9156
9157         PR middle-end/39867
9158         * fold-const.c (fold_cond_expr_with_comparison): When folding
9159         > and >= to MAX, make sure the MAX uses the same type as the
9160         comparison's operands.
9161
9162 2009-04-24  Nick Clifton  <nickc@redhat.com>
9163
9164         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
9165         addressing for DImode accesses.
9166         (frv_print_operand_address): Handle PLUS case.
9167         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
9168
9169 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
9170
9171         PR rtl-optimization/39794
9172         * alias.c (canon_true_dependence): Add x_addr argument.
9173         * rtl.h (canon_true_dependence): Adjust prototype.
9174         * cse.c (check_dependence): Adjust canon_true_dependence callers.
9175         * cselib.c (cselib_invalidate_mem): Likewise.
9176         * gcse.c (compute_transp): Likewise.
9177         * dse.c (scan_reads_nospill): Likewise.
9178         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
9179         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
9180         canon_base_addr of the group, plus optional offset.
9181         (struct group_info): Rename canon_base_mem to
9182         canon_base_addr.
9183         (get_group_info): Set canon_base_addr to canon_rtx of base, not
9184         canon_rtx of base_mem.
9185
9186 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
9187
9188         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
9189         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
9190
9191 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9192
9193         * config/spu/spu-builtins.h: Delete file.
9194
9195         * config/spu/spu.h (enum spu_builtin_type): Move here from
9196         spu-builtins.h.
9197         (struct spu_builtin_description): Likewise.  Add GTY marker.
9198         Do not use enum spu_function_code or enum insn_code.
9199         (spu_builtins): Add extern declaration.
9200
9201         * config/spu/spu.c: Do not include "spu-builtins.h".
9202         (enum spu_function_code, enum spu_builtin_type_index,
9203         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
9204         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
9205         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
9206         unsigned_V2DI_type_node): Move here from spu-builtins.h.
9207         (spu_builtin_types): Make static.  Add GTY marker.
9208         (spu_builtins): Add extern declaration with GTY marker.
9209         Include "gt-spu.h".
9210
9211         * config/spu/spu-c.c: Do not include "spu-builtins.h".
9212         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
9213         Check programmatically whether all parameters are scalar.
9214
9215         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
9216
9217 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
9218
9219         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
9220         assignment from the constructor either if the target is volatile.
9221
9222 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
9223
9224         * config/arm/arm.md (insv): Do not share operands[0].
9225
9226 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
9227
9228         * config/vxlib-tls.c (active_tls_threads): Delete.
9229         (delete_hook_installed): New.
9230         (tls_delete_hook): Don't delete the delete hook.
9231         (tls_destructor): Delete it here.
9232         (__gthread_set_specific): Adjust installing the delete hook.
9233         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
9234         __gthread_leave_tsd_dtor_context.
9235
9236 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
9237
9238         * c-format.c (gcc_tdiag_char_table): Add support for %E.
9239
9240 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
9241
9242         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
9243         enum type.
9244         (alpha_rtx_costs): Ditto.
9245         (emit_unlikely_jump): Use add_reg_note.
9246         (emit_frame_store_1): Ditto.
9247         (alpha_expand_prologue): Ditto.
9248         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
9249         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
9250
9251 2009-04-23  Nick Clifton  <nickc@redhat.com>
9252
9253         * config/v850/v850.md (epilogue): Remove suppressed code.
9254         (return): Rename to return_simple and remove test of frame size.
9255         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
9256         to gen_return_simple.
9257
9258 2009-04-22  Jing Yu  <jingyu@google.com>
9259
9260         PR testsuite/39781
9261         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
9262
9263 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9264
9265         PR C/31499
9266         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
9267         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
9268         value is a VECTOR_CST, the element type is the element type of the
9269         vector.
9270
9271 2009-04-22  DJ Delorie  <dj@redhat.com>
9272
9273         * config/m32c/m32c.h: Update GTY annotations to new syntax.
9274
9275 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
9276
9277         * alias.c (find_base_term): Move around LO_SUM case, so that
9278         CONST falls through into PLUS/MINUS handling.
9279
9280         PR c/39855
9281         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
9282         into 0, use omit_one_operand.
9283
9284 2009-04-23  Ben Elliston  <bje@au.ibm.com>
9285
9286         * config/rs6000/linux-unwind.h (get_regs): Remove type
9287         puns. Change the type of `pc' to an array of unsigned ints and
9288         update all users.  Constify frame24.
9289
9290 2009-04-22  DJ Delorie  <dj@redhat.com>
9291
9292         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
9293         declarations before code.
9294         (current_function_special_page_vector): Likewise.
9295         (m32c_expand_insv): Silence a warning.
9296
9297 2009-04-21  Taras Glek  <tglek@mozilla.com>
9298
9299         * alias.c: Update GTY annotations to new syntax.
9300         * basic-block.h: Likewise.
9301         * bitmap.h: Likewise.
9302         * c-common.h: Likewise.
9303         * c-decl.c: Likewise.
9304         * c-parser.c: Likewise.
9305         * c-pragma.c: Likewise.
9306         * c-tree.h: Likewise.
9307         * cfgloop.h: Likewise.
9308         * cgraph.h: Likewise.
9309         * config/alpha/alpha.c: Likewise.
9310         * config/arm/arm.h: Likewise.
9311         * config/avr/avr.h: Likewise.
9312         * config/bfin/bfin.c: Likewise.
9313         * config/cris/cris.c: Likewise.
9314         * config/darwin.c: Likewise.
9315         * config/frv/frv.c: Likewise.
9316         * config/i386/i386.c: Likewise.
9317         * config/i386/i386.h: Likewise.
9318         * config/i386/winnt.c: Likewise.
9319         * config/ia64/ia64.h: Likewise.
9320         * config/iq2000/iq2000.c: Likewise.
9321         * config/mips/mips.c: Likewise.
9322         * config/mmix/mmix.h: Likewise.
9323         * config/pa/pa.c: Likewise.
9324         * config/pa/pa.h: Likewise.
9325         * config/rs6000/rs6000.c: Likewise.
9326         * config/s390/s390.c: Likewise.
9327         * config/sparc/sparc.c: Likewise.
9328         * config/xtensa/xtensa.c: Likewise.
9329         * cselib.h: Likewise.
9330         * dbxout.c: Likewise.
9331         * dwarf2out.c: Likewise.
9332         * except.c: Likewise.
9333         * except.h: Likewise.
9334         * fixed-value.h: Likewise.
9335         * function.c: Likewise.
9336         * function.h: Likewise.
9337         * gimple.h: Likewise.
9338         * integrate.c: Likewise.
9339         * optabs.c: Likewise.
9340         * output.h: Likewise.
9341         * real.h: Likewise.
9342         * rtl.h: Likewise.
9343         * stringpool.c: Likewise.
9344         * tree-data-ref.c: Likewise.
9345         * tree-flow.h: Likewise.
9346         * tree-scalar-evolution.c: Likewise.
9347         * tree-ssa-address.c: Likewise.
9348         * tree-ssa-alias.h: Likewise.
9349         * tree-ssa-operands.h: Likewise.
9350         * tree.c: Likewise.
9351         * tree.h: Likewise.
9352         * varasm.c: Likewise.
9353         * varray.h: Likewise.
9354         * vec.h: Likewise.
9355         * coretypes.h: Do not define GTY macro if it is already defined.
9356         * doc/gty.texi: Update GTY documentation to new syntax.
9357         * gengtype-lex.l: Enforce attribute-like syntax for GTY
9358         annotations on structs.
9359         * gengtype-parse.c: Likewise.
9360
9361 2009-04-22  Mark Heffernan  <meheff@google.com>
9362
9363         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
9364
9365 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
9366
9367         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
9368         where appropriate.
9369
9370 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
9371
9372         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
9373         the same as a PLUS without a shift.  Increase the cost of a
9374         CONST_INT in MULT.
9375
9376 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9377
9378         * Makefile.in: Update dependencies.
9379         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
9380         * errors.h: Remove bogus comment about compatibility.
9381         (warning): Update declaration.
9382         * genautomata.c: Update all calls to warning.
9383         * gimple.c: Do not include errors.h. Include toplev.h.
9384         * tree-ssa-structalias.c: Do not include errors.h.
9385         * omega.c: Likewise.
9386         * tree-ssa-reassoc.c: Likewise.
9387         * config/spu/spu-c.c: Likewise.
9388         * config/spu/t-spu-elf: Update dependencies.
9389
9390 2009-04-22  Richard Guenther  <rguenther@suse.de>
9391
9392         PR tree-optimization/39824
9393         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
9394         make sure the types are compatible.
9395
9396 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9397
9398         PR c++/14875
9399         * c-common.c (c_parse_error): Take a token_flags parameter.
9400         Use token_type for the token type instead.
9401         Pass token_flags to cpp_type2name.
9402         * c-common.h (c_parse_error): Update declaration.
9403         * c-parser.c (c_parser_error): Pass 0 as token flags.
9404
9405 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
9406
9407         PR rtl-optimization/39580
9408         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
9409         
9410 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9411
9412         * function.c (expand_function_end): Do not emit a jump to the "naked"
9413         return label for fall-through returns.
9414         * except.c (sjlj_emit_function_exit): Always place the call to the
9415         unregister function at the location installed by expand_function_end.
9416
9417 2009-04-22  Richard Guenther  <rguenther@suse.de>
9418
9419         PR tree-optimization/39845
9420         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
9421         (gen_inbound_check): Likewise.
9422
9423 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
9424
9425         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
9426         padding for PPC.
9427         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
9428         * config/vxlib.c (__gthread_once): Add race guard for PPC.
9429
9430 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
9431
9432         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
9433         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
9434         shift counts to avoid out-of-bounds array accesses.
9435
9436 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
9437
9438         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
9439         (Pmode): Move above.
9440
9441 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
9442
9443         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
9444         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
9445         GET_CODE macro.  Use IN_RANGE macro where appropriate.
9446         * config/alpha/alpha.h: Ditto.
9447         * config/alpha/alpha.md: Ditto.
9448         * config/alpha/constraints.md: Ditto.
9449         * config/alpha/predicates.md: Ditto.
9450         
9451 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
9452
9453         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
9454         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9455         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9456         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9457         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9458         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9459         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9460         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9461         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9462         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9463         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9464         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9465         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9466         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9467         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9468         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9469         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9470         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9471         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9472         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9473         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9474         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9475         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9476         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9477         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9478         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9479         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
9480
9481 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
9482
9483         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
9484         references from comments.
9485         * cfgbuild.c: (count_basic_blocks): Delete.
9486         (find_basic_blocks_1): Delete.
9487         (find_basic_blocks): Delete.
9488         * except.c (finish_eh_generation): Make static.  Move comment from
9489         except.h here.  Remove find_basic_blocks references from comments.
9490         * except.h (finish_eh_generation): Delete.
9491         * basic-block.h (find_basic_blocks): Delete.
9492         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
9493
9494 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
9495
9496         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
9497         (sdbout_parms):  Likewise.
9498
9499 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
9500
9501         * config/sh/sh.c (prepare_cbranch_operands): Use
9502         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
9503         (expand_cbranchdi4): Likewise.
9504         (from_compare): Add cast to enum type.
9505         (expand_cbranchsi4): Use add_reg_note.
9506         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
9507         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
9508         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
9509         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
9510         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
9511         instead of CODE_FOR_nothing.
9512         (cbranchdi4): Likewise.  Fix the order of arguments for
9513         gen_rtx_fmt_ee.
9514         (push_fpscr): Use add_reg_note.
9515         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
9516         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
9517         
9518 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
9519
9520         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
9521         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
9522         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
9523         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
9524         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
9525         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
9526         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
9527         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
9528         config/alpha/x-vms, config/arc/t-arc,
9529         config/arm/README-interworking, config/arm/arm-c.c,
9530         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
9531         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
9532         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
9533         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
9534         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
9535         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
9536         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
9537         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
9538         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
9539         config/cris/t-elfmulti, config/crx/t-crx,
9540         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
9541         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
9542         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
9543         config/h8300/t-h8300, config/i386/athlon.md,
9544         config/i386/darwin-libgcc.10.4.ver,
9545         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
9546         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
9547         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
9548         config/i386/t-linux64, config/i386/t-nwld,
9549         config/i386/t-rtems-i386, config/i386/t-sol2-10,
9550         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
9551         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
9552         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
9553         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
9554         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
9555         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
9556         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
9557         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
9558         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
9559         config/m68k/t-uclinux, config/mcore/t-mcore,
9560         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
9561         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
9562         config/mips/crtn.asm, config/mips/irix-crti.asm,
9563         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
9564         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
9565         config/mips/mips-fixed.md, config/mips/sb1.md,
9566         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
9567         config/mips/t-iris6, config/mips/t-isa3264,
9568         config/mips/t-libgcc-mips16, config/mips/t-linux64,
9569         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
9570         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
9571         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
9572         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
9573         config/mn10300/t-linux, config/mn10300/t-mn10300,
9574         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
9575         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
9576         config/picochip/libgccExtras/clzsi2.asm,
9577         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
9578         config/rs6000/darwin-libgcc.10.4.ver,
9579         config/rs6000/darwin-libgcc.10.5.ver,
9580         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
9581         config/rs6000/t-aix43, config/rs6000/t-aix52,
9582         config/rs6000/t-darwin, config/rs6000/t-fprules,
9583         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
9584         config/rs6000/t-lynx, config/rs6000/t-netbsd,
9585         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
9586         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
9587         config/rs6000/t-rtems, config/rs6000/t-spe,
9588         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
9589         config/score/t-score-elf, config/sh/divcost-analysis,
9590         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
9591         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
9592         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
9593         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
9594         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
9595         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
9596         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
9597         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
9598         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
9599         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
9600         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
9601         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
9602         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
9603         limitx.h, version.c, xcoff.h: Add copyright and license notices.
9604         * config/h8300/genmova.sh: Include copyright and license notices
9605         in generated output.
9606         * config/h8300/mova.md: Regenerate.
9607         * doc/install.texi2html: Include word "Copyright" in copyright
9608         notice and use name "Free Software Foundation, Inc.".
9609         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
9610         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
9611         ChangeLog-2007, ChangeLog-2008: Correct dates.
9612
9613 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
9614
9615         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
9616         NE_EXPR operations as well.
9617         * c-parser.c (c_parser_condition): Do not set location information on
9618         the condition.
9619         (c_parser_conditional_expression): Likewise.
9620         (c_parser_binary_expression): Set location information on operators.
9621         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
9622         TRUTH_NOT_EXPR has been folded.
9623         * fold-const.c (fold_truth_not_expr): Copy location information from
9624         the incoming expression to the outgoing one.
9625         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
9626         recursive calls on the LHS of the operator but pass that of the
9627         operator to recursive calls on the RHS of the operator.  Set it
9628         on the COND_EXPR.
9629         (shortcut_cond_expr): Set the locus of the operator on the second
9630         COND_EXPR and that of the expression on the first in degenerate cases.
9631         Pass the locus of the expression to calls to shortcut_cond_r.
9632         Set the locus of the 'then' block on the associated jump, if any.
9633         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
9634         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
9635         expression to call to gimplify_boolean_expr.
9636
9637 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
9638
9639         * config.gcc: Add additional configuration for
9640         i686-w64-mingw* and x86_64-w64-mingw* triplet.
9641         * config/i386/mingw-w64.h: New mingw-w64 specific header.
9642         (CPP_SPEC): Redefine for allowing -municode option.
9643         (STARTFILE_SPEC): Likewise.
9644         * config/i386/t-mingw-w64: New.
9645         * config/i386/mingw-w64.opt: New.
9646         (municode): Add new target option.
9647         * doc/invoke.texi (municode): Add documentation for new option.
9648
9649 2009-04-21  Ian Lance Taylor  <iant@google.com>
9650
9651         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
9652         Correct test for number of arguments.
9653         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
9654
9655 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
9656
9657         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
9658         argument of emit_library_call.
9659
9660 2009-04-21  Richard Guenther  <rguenther@suse.de>
9661
9662         PR middle-end/39829
9663         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
9664         inside VIEW_CONVERT_EXPRs.
9665
9666 2009-04-21  Martin Jambor  <mjambor@suse.cz>
9667
9668         * tree-switch-conversion.c (build_constructors): Split a long line.
9669         (constructor_contains_same_values_p): New function.
9670         (build_one_array): Create assigns of constants if possible, do not
9671         call mark_sym_for_renaming, call update_stmt.
9672         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
9673         make_rename_temp.  Do not call mark_symbols_for_renaming, call
9674         update_stmt.
9675         (gen_def_assigns): Do not call mark_symbols_for_renaming or
9676         find_new_referenced_vars, call update_stmt.
9677         (gen_inbound_check): Use create_tmp_var and create ssa names manually
9678         instead of calling make_rename_temp.  Do not call
9679         find_new_referenced_vars or mark_symbols_for_renaming, call
9680         update_stmt.
9681
9682 2009-04-21  Richard Guenther  <rguenther@suse.de>
9683
9684         PR tree-optimization/39827
9685         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
9686         (tree_ssa_phiprop): Pass the correct array size.
9687
9688 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
9689
9690         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
9691
9692 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9693
9694         PR 16202
9695         * c-typeck.c (lvalue_p): Move declaration ...
9696         * c-common.h (lvalue_p): ... to here.
9697         * c-common.c (candidate_equal_p): New.
9698         (add_tlist): Use it.
9699         (merge_tlist): Use it.
9700         (warn_for_collisions_1): Likewise.
9701         (warning_candidate_p): Accept more candidates.
9702         (verify_tree): A warning candidate can be an expression. Use
9703         candidate_equal_p.
9704
9705 2009-04-21  Ben Elliston  <bje@au.ibm.com>
9706
9707         PR target/5267
9708         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
9709         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
9710         options.  Remove -mcall-solaris documentation.
9711
9712 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9713
9714         PR c++/13358
9715         * doc/invoke.texi (-Wlong-long): Update description.
9716         * c-lex (interpret_integer): Only warn if there was no previous
9717         overflow and -Wlong-long is enabled.
9718         * c-decl.c (declspecs_add_type): Drop redundant flags.
9719         * c.opt (Wlong-long): Init to -1.
9720         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
9721         and front-end warn_long_long. Wlong-long only depends on other
9722         flags if it is uninitialized.
9723         * c-parser.c (disable_extension_diagnostics): warn_long_long is
9724         the same for CPP and FE.
9725         (restore_extension_diagnostics): Likewise.
9726
9727 2009-04-20  Ian Lance Taylor  <iant@google.com>
9728
9729         Fix enum conversions which are invalid in C++:
9730         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
9731         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
9732         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
9733         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
9734         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
9735         (dbxout_parms): Likewise.
9736         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
9737         (df_clear_flags): Likewise.
9738         * df-problems.c (df_rd_bb_local_compute_process_def): Change
9739         top_flag parameter to int.
9740         (df_chain_create_bb_process_use): Likewise.
9741         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
9742         Remove cast.
9743         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
9744         (df_ref_create_structure, df_def_record_1): Likewise.
9745         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
9746         (df_notes_rescan): Change 0 to VOIDmode in function call.
9747         (df_get_call_refs, df_insn_refs_collect): Likewise.
9748         (df_bb_regs_collect): Likewise.
9749         (df_entry_block_defs_collect): Likewise.
9750         (df_exit_block_uses_collect): Likewise.
9751         * df.h: Update declarations.
9752         * double-int.c (double_int_divmod): Add cast to enum type.
9753         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
9754         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
9755         (based_loc_descr): Likewise.
9756         (loc_descriptor_from_tree_1): Change first_op and second_op to
9757         enum dwarf_location_atom.  Add cast to enum type.
9758         * expmed.c (init_expmed): Change 0 to SET in function call.
9759         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
9760         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
9761         (do_store_flag): Likewise.
9762         * fixed-value.h (struct fixed_value): Change mode to enum
9763         machine_mode.
9764         * function.c (assign_parms): Change 0 to VOIDmode in function call.
9765         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
9766         function call.
9767         (insert_insn_decl, insert_decl, insert_state): Likewise.
9768         (automata_list_finish): Likewise.
9769         * genrecog.c (process_define_predicate): Add cast to enum type.
9770         * gensupport.c (init_predicate_table): Add cast to enum type.
9771         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
9772         function call.
9773         (gimple_build_call_1, gimple_build_label): Likewise.
9774         (gimple_build_goto, gimple_build_asm_1): Likewise.
9775         (gimple_build_switch_1, gimple_build_cdt): Likewise.
9776         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
9777         (enum fallback): Rename from enum fallback_t.
9778         (fallback_t): Typedef as int.
9779         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
9780         GSI_SAME_STMT in function call.
9781         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
9782         enum type.
9783         (setup_reg_class_relations): Likewise.
9784         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
9785         (setup_prohibited_class_mode_regs): Add cast to enum type.
9786         (setup_prohibited_mode_move_regs): Likewise.
9787         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
9788         (record_address_regs): Change i to enum reg_class.
9789         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
9790         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
9791         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
9792         (GET_MODE_2XWIDER_MODE): Likewise.
9793         (GET_CLASS_NARROWEST_MODE): Likewise.
9794         * omp-low.c (expand_omp_for): Add cast to enum type.
9795         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
9796         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
9797         * postreload.c (reload_cse_simplify_operands): Change rclass local
9798         to enum reg_class.
9799         * predict.c (combine_predictions_for_insn): Change best_predictor
9800         and predictor to enum br_predictor.
9801         (combine_predictions_for_bb): Likewise.
9802         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
9803         use SET_PREDICT_EXPR_OUTCOME.
9804         * real.c (real_arithmetic): Change icode to code in function call.
9805         * reginfo.c (init_move_cost): Add casts to enum type.
9806         (init_reg_sets_1, init_fake_stack_mems): Likewise.
9807         * regmove.c (regclass_compatible_p): Change class0 and class1 to
9808         enum reg_class.
9809         * reload.c (find_valid_class): Add casts to enum type.
9810         (push_reload): Change 0 to NO_REGS in function call.
9811         (find_reloads): Change this_alternative to array of enum
9812         reg_class.  Remove some now-unnecessary casts.
9813         (make_memloc): Change 0 to VOIDmode in function call.
9814         * reload1.c (reload): Change 0 to VOIDmode in function call.
9815         (eliminate_regs_1, elimination_effects): Likewise.
9816         (eliminate_regs_in_insn): Likewise.
9817         (emit_input_reload_insns): Add cast to enum type.
9818         (delete_output_reload): Change 0 to VOIDmode in function call.
9819         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
9820         to enum type in function call.
9821         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
9822         (SET_PREDICT_EXPR_OUTCOME): Define.
9823         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
9824         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
9825         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
9826         (dump_function): Likewise.
9827         * tree-dump.h: Update declarations.
9828         * tree-pass.h: Update declarations.
9829         * varasm.c (assemble_integer): Change mclass to enum mode_class.
9830         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
9831         enum type.
9832         (arm_rtx_costs_1): Correct parenthesization.
9833         (arm_rtx_costs): Add casts to enum type.
9834         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
9835         (vfp_emit_fstmd): Use add_rg_note.
9836         (emit_multi_reg_push, emit_sfm): Likewise.
9837         (thumb_set_frame_pointer): Likewise.
9838         (arm_expand_prologue): Likewise.
9839         (arm_regno_class): Change return type to enum reg_class.
9840         (thumb1_expand_prologue): Use add_reg_note.
9841         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
9842         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
9843         in function call.
9844         * config/arm/gentune.sh: Add cast to enum type.
9845         * config/arm/arm-tune.md: Rebuild.
9846         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
9847         (ix86_split_fp_branch, predict_jump): Likewise.
9848         (ix86_expand_multi_arg_builtin): Change sub_code from enum
9849         insn_code to enum rtx_code.
9850         (ix86_builtin_vectorized_function): Add cast to enum type.
9851         * config/i386/i386.md (truncdfsf2): Change slot to enum
9852         ix86_stack_slot.
9853         (truncxf<mode>2, isinf<mode>2): Likewise.
9854         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
9855         enum type.
9856         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
9857         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
9858         (insert_bundle_state): Change 1 to INSERT in function call.
9859         (ia64_add_bundle_selector_before): Likewise.
9860         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
9861         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
9862         (restore_stack_nonlocal): Likewise.
9863         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
9864         function call.
9865         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
9866         function call.
9867         (mips_rtx_costs): Likewise.
9868         (mips_override_options): Add casts to enum type.
9869         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
9870         in function call.
9871         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
9872         (store_reg, set_reg_plus_d): Likewise.
9873         (hppa_expand_prologue, hppa_profile_hook): Likewise.
9874         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
9875         cast to enum type.
9876         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
9877         function call.
9878         (emit_unlikely_jump): Use add_reg_note.
9879         (rs6000_emit_allocate_stack): Likewise.
9880         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
9881         (output_toc): Change 1 to INSERT in function call.
9882         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
9883         (rs6000_initialize_trampoline): Likewise.
9884         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
9885         function call.
9886         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
9887         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
9888         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
9889         (save_gprs): Use add_reg_note.
9890         (s390_emit_prologue): Likewise.
9891         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
9892         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
9893         (sparc_fold_builtin): Add cast to enum type.
9894         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
9895         enum insn_code.
9896         (spu_expand_prologue): Use add_reg_note.
9897         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
9898
9899 2009-04-20  Ian Lance Taylor  <iant@google.com>
9900
9901         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
9902         (c_parser_postfix_expression_after_primary): Get VEC for list of
9903         arguments.  Get original types of arguments.  Call
9904         build_function_call_vec.
9905         (cached_expr_list_1, cached_expr_list_2): New static variables.
9906         (c_parser_expr_list): Change return type to VEC *.  Add
9907         p_orig_types parameter.  Change all callers.
9908         (c_parser_release_expr): New static function.
9909         (c_parser_vec_to_tree_list): New static function.
9910         * c-typeck.c (build_function_call): Rewrite to build a VEC and
9911         call build_function_call_vec.
9912         (build_function_call_vec): New function, based on old
9913         build_function_call.
9914         (convert_arguments): Remove nargs and argarray parameters.  Change
9915         values to a VEC.  Add origtypes parameter.
9916         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
9917         (convert_for_assignment): Add origtype parameter.  Change all
9918         callers.  If warn_cxx_compat, check for conversion to an enum
9919         type when calling a function.
9920         (store_init_value): Add origtype parameter.  Change all callers.
9921         (digest_init): Likewise.
9922         (struct init_node): Add origtype field.
9923         (add_pending_init): Add origtype parameter.  Change all callers.
9924         (output_init_element): Likewise.
9925         (output_pending_init_elements): Pass origtype from init_node to
9926         output_init_element.
9927         (process_init_element): Pass origtype from c_expr to
9928         output_init_element.
9929         (c_finish_return): Add origtype parameter.  Change all callers.
9930         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
9931         caller.
9932         (sync_resolve_params): Likewise.
9933         (sync_resolve_return): Change params to first_param.  Change caller.
9934         (resolve_overloaded_builtins): Change params to VEC *.  Change
9935         callers.  Save first parameter around call to build_function_call_vec.
9936         * c-decl.c (finish_decl): Add origtype parameter.  Change all
9937         callers.  Call build_function_call_vec rather than
9938         build_function_call for cleanup.
9939         * c-tree.h: Update declarations.
9940         * c-common.h: Update declarations.
9941         * stub-objc.c (objc_rewrite_function_call): Change parameter from
9942         params to first_param.
9943         * target.h (struct gcc_target): Change resolve_overloaded_builtin
9944         params parameter from tree to void *.
9945         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
9946         Change arglist parameter to have type void *, and to be a pointer
9947         to a VEC.
9948         * config/rs6000/rs6000-protos.h
9949         (altivec_resolve_overloaded_builtin): Update declaration.
9950         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
9951         fnargs parameter to have type void *, and to be a pointer to a
9952         VEC.  Call build_function_call_vec instead of
9953         build_function_call.
9954         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
9955
9956 2009-04-20  Joey Ye  <joey.ye@intel.com>
9957             Xuepeng Guo  <xuepeng.guo@intel.com>
9958             H.J. Lu  <hongjiu.lu@intel.com>
9959
9960         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
9961
9962         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
9963         (IX86_LEA_PRIORITY): Likewise.
9964         (distance_non_agu_define): New function.
9965         (distance_agu_use): Likewise.
9966         (ix86_lea_for_add_ok): Likewise.
9967         (ix86_dep_by_shift_count): Likewise.
9968
9969         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
9970         should split for LEA.
9971
9972         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
9973         function.
9974         (ix86_dep_by_shift_count): Likewise.
9975
9976 2009-04-20  Richard Guenther  <rguenther@suse.de>
9977
9978         * expr.c (handled_component_p): Move ...
9979         * tree.h (handled_component_p): ... here.
9980         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
9981         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
9982         and REALPART_EXPR to be in one group.
9983
9984 2009-04-20  Richard Guenther  <rguenther@suse.de>
9985
9986         * basic-block.h (get_all_dominated_blocks): Declare.
9987         * dominance.c (get_all_dominated_blocks): New function.
9988         * tree-cfg.c (get_all_dominated_blocks): Remove.
9989         (remove_edge_and_dominated_blocks): Adjust.
9990         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
9991         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
9992         instead of recursing.
9993
9994 2009-04-20  Doug Kwan  <dougkwan@google.com>
9995
9996         * cgraph.h (cgraph_node_ptr): New type for vector functions.
9997         (struct cgraph_node_set_def): New type.
9998         (cgraph_node_set) New type. Also declare vector functions.
9999         (struct cgraph_node_set_element_def): New type.
10000         (cgraph_node_set_element): Ditto.
10001         (cgraph_node_set_iterator): New iterator type.
10002         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
10003         cgraph_node_set_remove, dump_cgraph_node_set,
10004         debug_cgraph_node_set): New prototypes.
10005         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
10006         cgraph_node_set_size): New inlines.
10007         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
10008         including cgraph.h.
10009         (struct ipa_opt_pass): Add struct cgraph_node_set_def
10010         argument to function 'write_summary'.
10011         * ipa.c: Include ggc.h.
10012         (hash_cgraph_node_set_element,
10013         eq_cgraph_node_set_element, cgraph_node_set_new,
10014         cgraph_node_set_add, cgraph_node_set_remove,
10015         cgraph_node_set_find, dump_cgraph_node_set,
10016         debug_cgraph_node_set): New functions.
10017         * Makefile.in (ipa.o): Add dependency on GGC_H.
10018
10019 2009-04-20  Ira Rosen  <irar@il.ibm.com>
10020
10021         PR tree-optimization/39675
10022         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
10023         check of the return code of vect_schedule_slp. Check that
10024         stmt_vec_info still exists for the statement, before checking its
10025         vectorization type.
10026
10027 2009-04-20  Michael Matz  <matz@suse.de>
10028
10029         * Makefile.in (generated_files): Take out $(simple_generated_c).
10030
10031 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
10032
10033         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
10034         (UINTPTR_TYPE):  Likewise.
10035
10036 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
10037
10038         PR c/37481
10039         * c-typeck.c (digest_init): Check for initializing an array with a
10040         string literal.
10041
10042 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
10043
10044         PR c/19771
10045         * c-semantics.c (pop_stmt_list): Propagate
10046         STATEMENT_LIST_HAS_LABEL to parent statement list.
10047
10048 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
10049
10050         * config/mips/mips.h (mips_tune_attr): New macro.
10051         * config/mips/mips.md (cpu): Use it.
10052
10053 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
10054
10055         PR c/38243
10056         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
10057         declaring a tag.
10058
10059 2009-04-19  Diego Novillo  <dnovillo@google.com>
10060
10061         * toplev.c (compile_file): Move call to coverage_finish ...
10062         * cgraphunit.c (ipa_passes): ... here.
10063         Call cgraph_process_new_functions.
10064         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
10065         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
10066
10067 2009-04-19  Jan Hubicka  <jh@suse.cz>
10068
10069         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
10070         cfun.
10071         (dump_cgraph_node): Dump can throw external flag.
10072         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
10073
10074 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10075
10076         PR c/32061
10077         PR c++/36954
10078         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
10079         * common.opt (Wlogical-op): Move from here...
10080         * c.opt (Wlogical-op): ... to here.
10081         * c-typeck.c (parser_build_binary_op): Update call to
10082         warn_logical_operator.
10083         * c-opts.c (c_common_post_options): Enable warn_logical_op with
10084         extra_warnings.
10085         * c-common.c (warn_logical_op): Update.
10086         * c-common.h (warn_logical_op): Update declaration.
10087
10088 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
10089
10090         * tree.c (protected_set_expr_location): Fix formatting.
10091
10092 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
10093
10094         PR c/27676
10095         * c-typeck.c (readonly_warning): new.
10096         (build_unary_op, build_modify_expr): Use readonly_warning for
10097         storing into something readonly but not const-qualified.
10098
10099 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
10100
10101         PR c/22367
10102         * c-typeck.c (build_unary_op): Check for taking address of
10103         expression of type void.
10104
10105 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
10106
10107         PR c/35210
10108         * c-typeck.c (build_function_call): Check for calling a function
10109         with qualified void return types.  Call require_complete_type when
10110         generating a trap.
10111
10112 2009-04-18  Jan Hubicka  <jh@suse.cz>
10113
10114         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
10115         Set nothrow flag.
10116         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
10117         can_throw_external flag.
10118         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
10119         * ipa-pure-const.c (ignore_edge): New function.
10120         (propagate): Compute order for NOTHROW computation; set NOTHROWs
10121         only over can_throw_external edges.
10122         (local_pure_const): Add nothrow flag.
10123         * ipa-utils.c (searchc): Add ignore_edge callback.
10124         (ipa_utils_reduced_inorder): Add ignore_edge callback.
10125         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
10126         (set_nothrow_function_flags): Update cgraph.
10127         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
10128
10129 2009-04-18  Richard Guenther  <rguenther@suse.de>
10130
10131         PR middle-end/39804
10132         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
10133         (fold_stmt): ... this and ...
10134         (fold_stmt_inplace): ... this.
10135         (fold_stmt_1): Fold references in calls and asms.
10136         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
10137
10138 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
10139
10140         * tree-vrp.c (ssa_name_nonzero_p): Remove.
10141         * tree.h: Remove the prototype for ssa_name_nonzero_p.
10142
10143 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
10144
10145         * tree.c (function_args_count): Remove.
10146         * tree.h: Remove the prototype for function_args_count.
10147
10148 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
10149
10150         * tree-iterator.c (expr_only): Remove.
10151         * tree.h: Remove the prototype for expr_only.
10152
10153 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
10154
10155         * reginfo.c (cannot_change_mode_set_regs): Remove.
10156         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
10157
10158 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
10159
10160         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
10161         whether operands 0 and 1 overlaps.
10162
10163 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10164
10165         PR middle-end/36902
10166         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
10167         pointer. Use warning_at instead of warning.
10168         (search_for_addr_array): Likewise.
10169         (check_array_bounds): Likewise.
10170         (check_all_array_refs): Check that the incoming edge is not in the
10171         list of edges to be removed.
10172         (check_all_array_refs): Avoid the temporal pointer.
10173         (vrp_visit_cond_stmt): Fix typo.
10174         (simplify_switch_using_ranges): Handle the case where the switch
10175         index is an integer constant.
10176
10177 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
10178
10179         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
10180
10181 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
10182
10183         * doc/extend.texi, doc/invoke.texi: Fix typos.
10184
10185 2009-04-17  Cary Coutant  <ccoutant@google.com>
10186
10187         * tree-flow-inline.h (get_lineno): Fix inverted test.
10188
10189 2009-04-17  Diego Novillo  <dnovillo@google.com>
10190
10191         * tree-ssa-pre.c (create_expression_by_pieces): Remove
10192         assertion for AVAIL_OUT.
10193
10194 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
10195
10196         PR target/38627
10197         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
10198         * config/sh/linux-atomic.asm: Likewise.
10199
10200 2009-04-17  Diego Novillo  <dnovillo@google.com>
10201
10202         * except.c (debug_eh_tree): New.
10203         (struct eh_region, struct eh_status): Move ...
10204         * except.h: ... here.
10205         (add_type_for_runtime): Declare extern.
10206         (lookup_type_for_runtime): Likewise.
10207         (debug_eh_tree): Declare.
10208         * Makefile.in (GTFILES): List except.h before except.c
10209
10210 2009-04-17  Diego Novillo  <dnovillo@google.com>
10211
10212         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
10213         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
10214         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
10215         (find_vars_r): ... here.
10216         * tree-flow.h (find_referenced_vars_in): Declare.
10217         * tree-ssa-pre.c (create_expression_by_pieces): Assert
10218         that AVAIL_OUT exists for BLOCK.
10219         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
10220         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
10221         (tree-parloops.o): Likewise.
10222
10223 2009-04-17  Simon Baldwin  <simonb@google.com>
10224
10225         * toplev.c (default_tree_printer): Add handling for %E format.
10226
10227 2009-04-17  Diego Novillo  <dnovillo@google.com>
10228
10229         * tree-pretty-print.c (dump_generic_node): Add break after
10230         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
10231         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
10232         FUNCTION_TYPE together.  Call print_struct_decl when printing
10233         structures and TDF_SLIM is not given.
10234         (print_struct_decl): Fix logic for detecting recursion.
10235
10236 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
10237
10238         PR 31567
10239         * gcc.c (create_at_file): New.
10240         (compile_input_file_p): New.
10241         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
10242         * main.c (main): Update call to toplev_main.
10243         * toplev.c (toplev_main): Change signature. Call expandargv.
10244         * toplev.h (toplev_main): Change signature.
10245
10246 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
10247
10248         * dwarf2out.c (field_byte_offset): Use the type size as the field size
10249         if the latter is not constant.
10250
10251 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
10252
10253         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
10254
10255 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
10256
10257         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
10258         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
10259
10260 2009-04-17  Richard Guenther  <rguenther@suse.de>
10261
10262         * tree-ssa-structalias.c (get_constraint_for_component_ref):
10263         Handle component references view-converting an invariant address.
10264
10265 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
10266
10267         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
10268         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
10269         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
10270         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
10271         Use @deftypevr rather than @deftypevar.
10272
10273 2009-04-17  Richard Guenther  <rguenther@suse.de>
10274
10275         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
10276         (get_prop_source_stmt): Likewise.
10277         (can_propagate_from): Likewise.
10278
10279 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
10280
10281         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
10282         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
10283         (--with-multilib-list): Add default value.
10284         * configure: Regenerate.
10285         * Makefile.in (TM_ENDIAN_CONFIG): Define.
10286         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
10287         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
10288         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
10289         Don't add default cpu to multilib list unnecessarily, but do enable
10290         the relevant compiler option..
10291         Add support for --with-multilib-list=<blank> and
10292         --with-multilib-list=!<somelib> to supress unwanted multilibs.
10293         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
10294         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
10295         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
10296         TM_MULTILIB_CONFIG.
10297         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
10298         (MULTILIB_OSDIRNAMES): New variable.
10299         * config/sh/t-1e: Delete file.
10300         * config/sh/t-mlib-sh1: Delete file.
10301         * config/sh/t-mlib-sh2: Delete file.
10302         * config/sh/t-mlib-sh2a: Delete file.
10303         * config/sh/t-mlib-sh2a-nofpu: Delete file.
10304         * config/sh/t-mlib-sh2a-single: Delete file.
10305         * config/sh/t-mlib-sh2a-single-only: Delete file.
10306         * config/sh/t-mlib-sh2e: Delete file.
10307         * config/sh/t-mlib-sh3e: Delete file.
10308         * config/sh/t-mlib-sh4: Delete file.
10309         * config/sh/t-mlib-sh4-nofpu: Delete file.
10310         * config/sh/t-mlib-sh4-single: Delete file.
10311         * config/sh/t-mlib-sh4-single-only: Delete file.
10312         * config/sh/t-mlib-sh4a: Delete file.
10313         * config/sh/t-mlib-sh4a-nofpu: Delete file.
10314         * config/sh/t-mlib-sh4a-single: Delete file.
10315         * config/sh/t-mlib-sh4a-single-only: Delete file.
10316         * config/sh/t-mlib-sh4al: Delete file.
10317         * config/sh/t-mlib-sh5-32media: Delete file.
10318         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
10319         * config/sh/t-mlib-sh5-64media: Delete file.
10320         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
10321         * config/sh/t-mlib-sh5-compact: Delete file.
10322         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
10323         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
10324         * doc/install.texi (Options specification): Add
10325         --with-multilib-list and --with-endian.
10326
10327 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
10328
10329         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
10330         REVISION_c.
10331         (OBJS-common): Add plugin-version.o.
10332         (plugin-version.o): New.
10333         * gcc-plugin.h (plugin_gcc_version): New.
10334         (plugin_default_version_check): New.
10335         (plugin_init_func, plugin_init): Add version argument.
10336         * plugin-version.c: New.
10337         * plugin.c (str_plugin_gcc_version_name): New.
10338         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
10339         pass it to the init function.
10340         (plugin_default_version_check): New.
10341
10342 2009-04-17  Richard Guenther  <rguenther@suse.de>
10343
10344         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
10345         for decl-vs-decl disambiguation.
10346
10347 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
10348
10349         * config/s390/s390.h (s390_tune_attr): New macro definition.
10350         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
10351
10352 2009-04-17  Richard Guenther  <rguenther@suse.de>
10353
10354         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
10355         (fold_stmt_r): Likewise.
10356         (maybe_fold_reference): New function.
10357         (fold_gimple_assign): Handle cases fold_stmt_r did.
10358         (fold_stmt): Do not use fold_stmt_r.
10359         (fold_stmt_inplace): Likewise.
10360
10361 2009-04-17  Richard Guenther  <rguenther@suse.de>
10362
10363         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
10364         (record_equivalences_from_stmt): Remove useless checks and
10365         simplifications.
10366         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
10367         the type is already suitable.
10368
10369 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
10370
10371         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
10372
10373 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
10374
10375         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
10376         (CMPtype): Define as __gcc_CMPtype.
10377
10378 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
10379
10380         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
10381         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
10382
10383 2009-04-17  Richard Guenther  <rguenther@suse.de>
10384
10385         PR tree-optimization/39746
10386         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
10387         special-casing for builtins and static variable use/def.
10388         (call_may_clobber_ref_p_1): Likewise.
10389
10390 2009-04-16  Ian Lance Taylor  <iant@google.com>
10391
10392         * df.h: Include "timevar.h".
10393         (struct df_problem): Change tv_id field to timevar_id_t.
10394         * tree-pass.h: Include "timevar.h".
10395         (struct opt_pass): Change tv_id field to timevar_id_t.
10396         * timevar.h (timevar_id_t): Define TV_NONE.
10397         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
10398         TV_NONE rather than tv_id != 0.
10399         (execute_one_pass): Likewise.
10400         * Makefile.in (DF_H): Add $(TIMEVAR_H).
10401         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
10402         dependencies to $(TREE_PASS_H).
10403         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
10404         to TV_NONE.
10405         (pass_branch_target_load_optimize2): Likewise.
10406         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
10407         (pass_outof_cfg_layout_mode): Likewise.
10408         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
10409         (pass_rebuild_cgraph_edges): Likewise.
10410         (pass_remove_cgraph_callee_edges): Likewise.
10411         * df-core.c (pass_df_initialize_opt): Likewise.
10412         (pass_df_initialize_no_opt): Likewise.
10413         (pass_df_finish): Likewise.
10414         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
10415         * except.c (pass_set_nothrow_function_flags): Likewise.
10416         (pass_convert_to_eh_region_ranges): Likewise.
10417         * final.c (pass_compute_alignments): Likewise.
10418         * function.c (pass_instantiate_virtual_regs): Likewise.
10419         (pass_init_function): Likewise.
10420         (pass_leaf_regs): Likewise.
10421         (pass_match_asm_constraints): Likewise.
10422         * gimple-low.c (pass_lower_cf): Likewise.
10423         (pass_mark_used_blocks): Likewise.
10424         * init-regs.c (pass_initialize_regs): Likewise.
10425         * integrate.c (pass_initial_value_sets): Likewise.
10426         * ira.c (pass_ira): Likewise.
10427         * jump.c (pass_cleanup_barriers): Likewise.
10428         * omp-low.c (pass_expand_omp): Likewise.
10429         (pass_lower_omp): Likewise.
10430         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
10431         * recog.c (pass_split_all_insns): Likewise.
10432         (pass_split_after_reload): Likewise.
10433         (pass_split_before_regstack): Likewise.
10434         (pass_split_before_sched2): Likewise.
10435         (pass_split_for_shorten_branches): Likewise.
10436         * reginfo.c (pass_reginfo_init): Likewise.
10437         (pass_subregs_of_mode_init): Likewise.
10438         (pass_subregs_of_mode_finish): Likewise.
10439         * passes.c (pass_postreload): Likewise.
10440         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
10441         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
10442         (pass_warn_function_return): Likewise.
10443         (pass_warn_function_noreturn): Likewise.
10444         * tree-complex.c (pass_lower_complex): Likewise.
10445         (pass_lower_complex_O0): Likewise.
10446         * tree-if-conv.c (pass_if_conversion): Likewise.
10447         * tree-into-ssa.c (pass_build_ssa): Likewise.
10448         * tree-mudflap.c (pass_mudflap_1): Likewise.
10449         (pass_mudflap_2): Likewise.
10450         * tree-nomudflap.c (pass_mudflap_1): Likewise.
10451         (pass_mudflap_2): Likewise.
10452         * tree-nrv.c (pass_return_slot): Likewise.
10453         * tree-object-size.c (pass_object_sizes): Likewise.
10454         * tree-optimize.c (pass_all_optimizations): Likewise.
10455         (pass_early_local_passes): Likewise.
10456         (pass_all_early_optimizations): Likewise.
10457         (pass_cleanup_cfg): Likewise.
10458         (pass_cleanup_cfg_post_optimizing): Likewise.
10459         (pass_free_datastructures): Likewise.
10460         (pass_free_cfg_annotations): Likewise.
10461         (pass_fixup_cfg): Likewise.
10462         (pass_init_datastructures): Likewise.
10463         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
10464         (pass_late_warn_uninitialized): Likewise.
10465         (pass_update_address_taken): Likewise.
10466         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
10467         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
10468         (pass_cse_sincos): Likewise.
10469         (pass_convert_to_rsqrt): Likewise.
10470         * tree-ssa-structalias.c (pass_build_alias): Likewise.
10471         * tree-stdarg.c (pass_stdarg): Likewise.
10472         * tree-tailcall.c (pass_tail_recursion): Likewise.
10473         (pass_tail_calls): Likewise.
10474         * tree-vect-generic.c (pass_lower_vector): Likewise.
10475         (pass_lower_vector_ssa): Likewise.
10476         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
10477
10478 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
10479
10480         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
10481         XLR entry.
10482         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
10483         Handle -march=xlr.
10484         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
10485         logical and signext.
10486
10487 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
10488
10489         PR target/39767
10490         * config/sh/predicates.md (arith_operand): Check if the operand
10491         of TRUNCATE is a REG.
10492
10493 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
10494
10495         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
10496         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
10497
10498 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
10499
10500         * tree-iterator.c (tsi_split_statement_list_after,
10501         tsi_split_statement_list_before): Remove.
10502         * tree-iterator.h: Remove the prototypes for
10503         tsi_split_statement_list_after and tsi_split_statement_list_before.
10504
10505 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
10506
10507         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
10508         * tree-ssa-propagate.h: Remove the prototype for
10509         stmt_makes_single_load.
10510
10511 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
10512
10513         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
10514         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
10515
10516 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
10517
10518         * tree-iterator.c (EXPR_LAST_BODY): Remove.
10519
10520 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
10521
10522         * except.c (eh_region_outer_p): Remove.
10523         * except.h: Remove the prototype for eh_region_outer_p.
10524
10525 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
10526
10527         * function.c (current_function_assembler_name): Remove.
10528         * function.h: Remove the prototype for
10529         current_function_assembler_name.
10530
10531 2009-04-16  Ian Lance Taylor  <iant@google.com>
10532
10533         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
10534         (add_reg_note): Call alloc_reg_note.
10535         * rtl.h (alloc_reg_note): Declare.
10536         * combine.c (try_combine): Use alloc_reg_note.
10537         (recog_for_combine, move_deaths): Likewise.
10538         (distribute_notes): Use alloc_reg_note and add_reg_note.
10539         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
10540         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
10541         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
10542
10543 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
10544
10545         PR rtl-optimization/39762
10546         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
10547         ira_may_move_out_cost): Add comments about way of their usage.
10548         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
10549
10550         * ira-conflicts.c (process_regs_for_copy): Use function
10551         ira_get_register_move_cost instead of global
10552         ira_register_move_cost.
10553
10554         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
10555         color_pass, move_spill_restore, update_curr_costs): Ditto.
10556
10557         * ira-lives.c (process_single_reg_class_operands): Ditto.
10558
10559         * ira-emit.c (emit_move_list): Ditto.
10560
10561         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
10562         (record_reg_classes): Ditto.  Use functions
10563         ira_get_register_move_cost and ira_get_may_move_cost instead of
10564         global vars ira_register_move_cost, ira_may_move_out_cost and
10565         ira_may_move_in_cost.
10566         (record_address_regs): Don't call ira_init_register_move_cost.
10567         Use function ira_get_may_move_cost instead of global
10568         ira_may_move_in_cost.
10569         (process_bb_node_for_hard_reg_moves): Use function
10570         ira_get_register_move_cost instead of global ira_register_move_cost.
10571         (ira_costs): Don't call ira_init_register_move_cost.
10572
10573 2009-04-16  Richard Guenther  <rguenther@suse.de>
10574
10575         * tree-cfg.c (verify_gimple_assign_binary):
10576         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
10577         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
10578         (create_general_new_stmt): Note that this function is broken.
10579
10580 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
10581
10582         * common.opt (fhelp): Add Var(help_flag).
10583         * gcc-plugin.h (plugin_info): Add help.
10584         * plugin.c (plugin_name_args): Add help.
10585         (register_plugin_info): Set plugin->help.
10586         (print_help_one_plugin): New.
10587         (print_plugins_help): New.
10588         * plugin.h (print_plugins_help): New.
10589         * toplev.c (toplev_main): Call print_plugins_help if needed.
10590
10591 2009-04-16  Richard Guenther  <rguenther@suse.de>
10592
10593         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
10594         (gimple_ior_addresses_taken_1): New function.
10595         (gimple_ior_addresses_taken): Likewise.
10596         * gimple.h (struct gimple_statement_with_ops_base): Remove
10597         addresses_taken member.
10598         (gimple_ior_addresses_taken): Declare.
10599         (gimple_addresses_taken, gimple_addresses_taken_ptr,
10600         gimple_set_addresses_taken): Remove.
10601         * ipa-reference.c (mark_address): New function.
10602         (scan_stmt_for_static_refs): Use it for marking addresses taken.
10603         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
10604         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
10605         (gimple_add_to_addresses_taken): Remove.
10606         (get_tmr_operands): Call mark_address_taken.
10607         (get_asm_expr_operands): Likewise.
10608         (get_expr_operands): Likewise.
10609         (build_ssa_operands): Do not clear the addresses_taken bitmap.
10610         (free_stmt_operands): Do not free it.
10611         * tree-ssa.c (delete_tree_ssa): Likewise.
10612         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
10613
10614 2009-04-16  Richard Guenther  <rguenther@suse.de>
10615
10616         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
10617         (walk_stmt_load_store_ops): Likewise.
10618         * gimple.c (get_base_loadstore): New function.
10619         (walk_stmt_load_store_addr_ops): Likewise.
10620         (walk_stmt_load_store_ops): Likewise.
10621         * ipa-pure-const.c (check_op): Simplify.
10622         (check_load, check_store): New functions.
10623         (check_stmt): Use walk_stmt_load_store_ops.
10624         * ipa-reference.c (mark_load): Adjust signature.
10625         (mark_store): Likewise.
10626         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
10627
10628 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
10629
10630         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
10631         (plugin_info): New.
10632         * opts.c (common_handle_option): Don't call print_version.
10633         * plugin.c (plugin_name_args): Add version.
10634         (register_plugin_info): New.
10635         (register_callback): Handle PLUGIN_INFO.
10636         (try_init_one_plugin): New.
10637         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
10638         if failed to init.
10639         (finalize_one_plugin): New.
10640         (finalize_plugins): New.
10641         (print_one_plugin): New.
10642         (print_plugins_versions): New.
10643         * plugin.h (print_plugins_versions): New.
10644         (finalize_plugins): New.
10645         * toplev.c (compile_file): Don't call initialize_plugins.
10646         (print_version): Call print_plugins_versions.
10647         (toplev_main): Call initialize_plugins. Print version if needed.
10648         Call finalize_plugins.
10649
10650 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
10651
10652         * common.opt (fversion): New.
10653         * gcc.c (print_version): New.
10654         (process_command): Don't print the version. Just set print_version.
10655         (main): Print version. Call subprocesses if print_version and
10656         verbose_flag are set.
10657         * opts.c (common_handle_option): Handle OPT_fversion.
10658
10659 2009-04-16  Richard Guenther  <rguenther@suse.de>
10660             Ira Rosen  <irar@il.ibm.com>
10661
10662         PR tree-optimization/39698
10663         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
10664         type of the reduction variable.  Only generate the def if
10665         it is needed.
10666
10667         * omp-low.c (expand_omp_for_generic): When converting to a pointer
10668         make sure to first convert to an integer of the same precision.
10669         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
10670         the type of the evolution correctly in computing the new
10671         induction variable base.
10672
10673 2009-04-16  Richard Guenther  <rguenther@suse.de>
10674
10675         PR middle-end/39625
10676         * tree-cfg.c (make_blocks): Split statements with to-be
10677         abnormal SSA names on the lhs.
10678
10679 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
10680
10681         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
10682         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
10683         * c-typeck.c (really_start_incremental_init): Likewise.
10684         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
10685         (TARGET_INITIALIZER): Remove it.
10686         * target.h (struct target): Remove vector_opaque_p.
10687         * tree.c (build_opaque_vector_type): New.
10688         * tree.h (TYPE_VECTOR_OPAQUE): New.
10689         (build_opaque_vector_type): Declare.
10690         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
10691         * config/rs6000/rs6000.c (build_opaque_vector_type,
10692         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
10693         (rs6000_init_builtins): Use build_opaque_vector_type for
10694         opaque_V4SI_type_node.
10695
10696 2009-04-15  Catherine Moore  <clm@codesourcery.com>
10697
10698         * debug.h (set_name):  Declare.
10699         * dwarf2out.c (dwarf2out_set_name): Declare.
10700         (dwarf2_debug_hooks): Add set_name.
10701         (find_AT_string): New.
10702         (add_AT_string): Call find_AT_string.
10703         (dwarf2out_set_name): New.
10704         * cp/decl.c (grokdeclarator): Call set_name.
10705         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
10706         * debug.c (do_nothing_debug_hooks):  Likewise.
10707         * dbxout.c (dbx_debug_hooks): Likewise.
10708         * sdbout.c (sdb_debug_hooks): Likewise.
10709
10710 2009-04-15  Michael Eager  <eager@eagercon.com>
10711
10712         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
10713         reg for single-precision FPU.
10714         * config/rs6000/rs6000.md (movsi_internal1): Only for
10715         !TARGET_SINGLE_FPU.
10716         (movsi_internal1_single): New. Add pattern to move SI values to/from
10717         single-precision FP regs.
10718
10719 2009-04-15  Richard Guenther  <rguenther@suse.de>
10720
10721         * omp-low.c (lower_rec_input_clauses): Build correct address
10722         expressions.
10723         (expand_omp_for_generic): Fix multiplication type.
10724         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
10725         (generate_memset_zero): Fix types.
10726         * tree-profile.c (prepare_instrumented_value): Correctly
10727         widen a pointer.
10728
10729 2009-04-15  Ian Lance Taylor  <iant@google.com>
10730
10731         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
10732         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
10733         for -Wall and for -Wc++-compat.
10734         (c_common_post_options): For C++, set warn_enum_compare if not
10735         already set.
10736         * c-tree.h (struct c_expr): Add field original_type.
10737         (build_external_ref): Update declaration.
10738         * c-parser.c (c_parser_braced_init): Set original_type.
10739         (c_parser_initelt): Likewise.
10740         (c_parser_expr_no_commas): Likewise.
10741         (c_parser_conditional_expression): Likewise.
10742         (c_parser_cast_expression): Likewise.
10743         (c_parser_unary_expression): Likewise.  Pull setting of
10744         original_code to top of function.
10745         (c_parser_sizeof_expression): Set original_type.
10746         (c_parser_alignof_expression): Likewise.
10747         (c_parser_postfix_expression): Likewise.  Pull setting of
10748         original_code to top of function.
10749         (c_parser_postfix_expression_after_paren_type): Set original_type.
10750         (c_parser_postfix_expression_after_primary): Likewise.
10751         (c_parser_expression): Likewise.
10752         * c-typeck.c (build_external_ref): Add type parameter.  Change all
10753         callers.
10754         (c_expr_sizeof_expr): Set original_type field.
10755         (parser_build_unary_op): Likewise.
10756         (parser_build_binary_op): Likewise.  Optionally warn about
10757         comparisons of enums of different types.
10758         (digest_init): Set original_type field.
10759         (really_start_incremental_init): Likewise.
10760         (push_init_level, pop_init_level): Likewise.
10761         * doc/invoke.texi (Warning Options): -Wenum-compare now
10762         supported in C.
10763
10764 2009-04-15  Richard Guenther  <rguenther@suse.de>
10765
10766         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
10767         out a necessary conversion.
10768         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
10769         names we didn't value number.
10770         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
10771
10772 2009-04-15  Richard Guenther  <rguenther@suse.de>
10773
10774         PR tree-optimization/39764
10775         * tree-ssa-ccp.c (get_value): Canonicalize value with
10776         canonicalize_float_value.
10777
10778 2009-04-15  Jan Hubicka  <jh@suse.cz>
10779
10780         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
10781         Wrong version of patch.
10782
10783 2009-04-15  Jan Hubicka  <jh@suse.cz>
10784
10785         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
10786
10787 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
10788
10789         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
10790         our distinct integral and vector types.
10791
10792 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
10793
10794         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
10795         * init.c (build_vtbl_address): Remove call to assemble_external.
10796
10797 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
10798
10799         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
10800         output for other floating point modes.
10801
10802 2009-04-14  Diego Novillo  <dnovillo@google.com>
10803
10804         * diagnostic.c (diagnostic_report_diagnostic): Do not
10805         warn about loaded plugins for DK_ERROR and DK_WARNING.
10806         * c-decl.c (declspecs_add_type): Move call to
10807         invoke_plugin_callbacks ...
10808         * c-parser.c (c_parser_declspecs): ... here.
10809         * plugin.c (dump_active_plugins): Tidy output.
10810
10811 2009-04-14  Diego Novillo  <dnovillo@google.com>
10812             Le-Chun Wu  <lcwu@google.com>
10813
10814         * configure.ac: Add --enable-plugin support.
10815         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
10816         * Makefile.in (PLUGIN_H): Define.
10817         Export ENABLE_PLUGIN and GMPINC to site.exp.
10818         Add PLUGINLIBS to link command.
10819         Add/modify dependencies for plugin.o and files including plugin.h.
10820         (plugin.o): New.
10821         * config.in: Regenerate.
10822
10823         * opts.c (common_handle_option): Handle OPT_fplugin_ and
10824         OPT_fplugin_arg_.
10825
10826 2009-04-14  Le-Chun Wu  <lcwu@google.com>
10827
10828         * tree-pass.h (register_one_dump_file): Add a prototype for
10829         register_one_dump_file.
10830         * toplev.c (compile_file): Call initialize_plugins.
10831         (do_compile): Call invoke_plugin_callbacks.
10832         (toplev_main): Call invoke_plugin_callbacks.
10833         * common.opt: Add -fplugin= and -fplugin-arg-.
10834         * gcc-plugin.h: New public header file for plugins to include.
10835         * plugin.c: New source file.
10836         * plugin.h: New internal header file.
10837         * passes.c (register_one_dump_file): Make it external.
10838
10839         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
10840
10841 2009-04-14  Diego Novillo  <dnovillo@google.com>
10842
10843         * doc/plugins.texi: New.
10844         * doc/gccint.texi: Add reference to Plugins chapter.
10845         * doc/invoke.texi: Document -fplugin and -fplugin-arg
10846         * diagnostic.c (diagnostic_report_diagnostic): Warn about
10847         loaded plugins, if any.
10848         * timevar.def (TV_PLUGIN_INIT): Define.
10849         (TV_PLUGIN_RUN): Define.
10850         * plugin.c: Include timevar.h
10851         (plugins_active_p): New.
10852         (dump_active_plugins): New.
10853         (debug_active_plugins): New.
10854
10855 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
10856
10857         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
10858         library paths.
10859         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
10860
10861 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
10862
10863         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
10864         the same as a minus without a shift.
10865
10866 2009-04-14  Nick Clifton  <nickc@redhat.com>
10867
10868         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
10869         comparisons with small integers will always produce a short
10870         branch.
10871
10872 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
10873
10874         Merge:
10875         2008-12-19  Diego Novillo  <dnovillo@google.com>
10876
10877         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
10878
10879 2009-04-14  Richard Guenther  <rguenther@suse.de>
10880
10881         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
10882         verification.
10883         (verify_gimple_assign_binary): Likewise.  Handle shifts and
10884         rotates correctly.
10885         (verify_gimple_phi): Print the mismatched argument position.
10886         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
10887         Fix types.
10888         (vect_update_init_of_dr): Likewise.
10889         * matrix-reorg.c (transform_access_sites): Do what the
10890         comment suggests.
10891         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
10892
10893 2009-04-13  Michael Eager  <eager@eagercon.com>
10894
10895         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
10896         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
10897         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
10898         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
10899         remove duplicate config
10900
10901 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
10902
10903         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
10904         file_name:line_number type locator of the call site.
10905
10906 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
10907
10908         * genautomata.c: Put blank after comma.
10909         (automaton_decls): New.
10910         (struct unit_usage): Add comments to member next.
10911         (store_alt_unit_usage): Keep the list ordered.
10912         (unit_present_on_list_p, equal_alternatives_p): New.
10913         (check_regexp_units_distribution): Check units distribution
10914         correctness correctly.
10915         (main): Don't write automata if error is found.  Return correct
10916         exit code.
10917
10918         * config/m68k/cf.md (cfv4_ds): Remove.
10919         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
10920         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
10921
10922         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
10923         power4-load-ext, power4-store, power4-store-update,
10924         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
10925         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
10926         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
10927         power4-sqrt, power4-isync): Modify reservation to make correct
10928         unit distribution to automata.
10929
10930         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
10931         power5-store-update, power5-two, power5-three, power5-lmul,
10932         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
10933
10934 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
10935
10936         * except.c (pass_set_nothrow_function_flags): Set name and add
10937         TODO_dump_func.
10938         (set_nothrow_function_flags): Mention in the dump file when
10939         changing a function to nothrow.
10940
10941 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
10942
10943         PR/39066
10944         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
10945         instead of unsigned long.
10946
10947 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10948
10949         * config/arm/arm.c (return_used_this_function): Remove.
10950         (arm_output_function_prologue): Remove use of
10951         return_used_this_function.
10952         (output_return_instruction): Replace use of
10953         return_used_this_function
10954         by cfun->machine->return_used_this_function.
10955         (arm_output_epilogue): Likewise.
10956         (arm_output_function_epilogue): Likewise.
10957         (thumb_unexpanded_epilogue): Likewise.
10958         * config/arm/arm.h (struct machine_function):
10959         New member return_used_this_function.
10960
10961 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
10962
10963         * doc/install.texi: Correct description of default directory for
10964         --with-gxx-include-dir.
10965
10966 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
10967
10968         * fold-const.c (build_range_check): Properly deal with enumeral and
10969         boolean base types.
10970
10971 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
10972
10973         * doc/invoke.texi (max_gcse_passes): Remove documentation.
10974         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
10975         * params.h (MAX_GCSE_PASSES): Remove.
10976         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
10977         in sequence.  Remove ability to run multiple passes.
10978         (bypass_jumps): Report run as third CPROP pass.
10979
10980 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
10981
10982         PR middle-end/39651
10983         * except.c (can_throw_external): Look at each insn in a SEQUENCE
10984         when deciding whether the whole SEQUENCE can throw.
10985
10986 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
10987
10988         PR target/39740
10989         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
10990         offseted label references.
10991
10992 2009-04-11  Jan Hubicka  <jh@suse.cz>
10993
10994         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
10995
10996 2009-04-11  Richard Guenther  <rguenther@suse.de>
10997
10998         PR middle-end/39732
10999         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
11000         return variables as TREE_ADDRESSABLE.
11001
11002 2009-04-11  Richard Guenther  <rguenther@suse.de>
11003
11004         PR tree-optimization/39713
11005         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
11006         reference trees have SSA_NAME operands.
11007
11008 2009-04-11  Richard Guenther  <rguenther@suse.de>
11009
11010         PR c/39712
11011         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
11012         address expressions.
11013
11014 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
11015
11016         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
11017         match changes in Cygwin 1.7
11018         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
11019         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
11020
11021 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
11022
11023         PR tree-optimization/39701
11024         * doc/invoke.texi (Optimization Options): Document change in
11025         meaning and initialization of -fdelete-null-pointer-checks.
11026
11027 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
11028
11029         PR middle-end/39701
11030         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
11031
11032         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
11033         here.
11034
11035         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
11036
11037 2009-04-10  Chao-ying Fu  <fu@mips.com>
11038
11039         * doc/tm.texi (Instruction Output): Document
11040         TARGET_ASM_FINAL_POSTSCAN_INSN.
11041         * target.h (final_postscan_insn): New field in asm_out.
11042         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
11043         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
11044         * final.c (final_scan_insn): Call
11045         targetm.asm_out.final_postscan_insn after outputting
11046         an asm macro and a normal instruction.
11047
11048         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
11049         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
11050         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
11051         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
11052         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
11053
11054 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
11055
11056         PR middle-end/39701
11057         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
11058         variables as non-NULL even with -fdelete-null-pointer-checks.
11059
11060 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
11061
11062         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
11063
11064 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
11065
11066         PR target/39678
11067         * config/i386/i386.c (classify_argument): Handle SCmode with
11068         (bit_offset % 64) != 0.
11069
11070 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
11071
11072         * doc/invoke.texi (Optimize Options): Add cross-reference to
11073         -Q --help=optimizers examples.
11074
11075 2009-04-10  Ben Elliston  <bje@au.ibm.com>
11076
11077         PR target/36800
11078         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
11079         regalign for the reg == fpr and TDmode case.
11080
11081 2009-04-09  David Ayers  <ayers@fsfe.org>
11082
11083         PR objc/29200
11084         * objc/objc-act.c (warn_with_method): Remove helper function.
11085         (check_duplicates): Call warning and inform directly.
11086         (really_start_method): Likewise.
11087
11088 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
11089
11090         * expmed.c (expand_divmod): Always use a comparison for a division
11091         by a large unsigned integer.
11092
11093         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
11094         for things others than variables or functions as nonzero.
11095
11096 2009-04-09  Nick Clifton  <nickc@redhat.com>
11097
11098         * unwind-compat.c: Change copyright header to refer to version
11099         3 of the GNU General Public License with version 3.1 of the
11100         GCC Runtime Library Exception and to point readers at the
11101         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
11102         * config/alpha/crtfastmath.c: Likewise.
11103         * config/alpha/linux-unwind.h: Likewise.
11104         * config/alpha/qrnnd.asm: Likewise.
11105         * config/alpha/vms-crt0-64.c: Likewise.
11106         * config/alpha/vms-crt0.c: Likewise.
11107         * config/alpha/vms-dwarf2.asm: Likewise.
11108         * config/alpha/vms-dwarf2eh.asm: Likewise.
11109         * config/alpha/vms-psxcrt0-64.c: Likewise.
11110         * config/alpha/vms-psxcrt0.c: Likewise.
11111         * config/alpha/vms_tramp.asm: Likewise.
11112         * config/arc/initfini.c: Likewise.
11113         * config/arc/lib1funcs.asm: Likewise.
11114         * config/arm/bpabi-v6m.S: Likewise.
11115         * config/arm/bpabi.S: Likewise.
11116         * config/arm/bpabi.c: Likewise.
11117         * config/arm/crti.asm: Likewise.
11118         * config/arm/crtn.asm: Likewise.
11119         * config/arm/ieee754-df.S: Likewise.
11120         * config/arm/ieee754-sf.S: Likewise.
11121         * config/arm/lib1funcs.asm: Likewise.
11122         * config/arm/libunwind.S: Likewise.
11123         * config/arm/linux-atomic.c: Likewise.
11124         * config/arm/mmintrin.h: Likewise.
11125         * config/arm/pr-support.c: Likewise.
11126         * config/arm/unaligned-funcs.c: Likewise.
11127         * config/arm/unwind-arm.c: Likewise.
11128         * config/arm/unwind-arm.h: Likewise.
11129         * config/avr/libgcc.S: Likewise.
11130         * config/bfin/crti.s: Likewise.
11131         * config/bfin/crtlibid.s: Likewise.
11132         * config/bfin/crtn.s: Likewise.
11133         * config/bfin/lib1funcs.asm: Likewise.
11134         * config/bfin/linux-unwind.h: Likewise.
11135         * config/cris/arit.c: Likewise.
11136         * config/cris/cris_abi_symbol.c: Likewise.
11137         * config/darwin-64.c: Likewise.
11138         * config/darwin-crt2.c: Likewise.
11139         * config/darwin-crt3.c: Likewise.
11140         * config/darwin.h: Likewise.
11141         * config/dbxelf.h: Likewise.
11142         * config/dfp-bit.c: Likewise.
11143         * config/dfp-bit.h: Likewise.
11144         * config/elfos.h: Likewise.
11145         * config/fixed-bit.c: Likewise.
11146         * config/fixed-bit.h: Likewise.
11147         * config/fp-bit.c: Likewise.
11148         * config/fp-bit.h: Likewise.
11149         * config/fr30/crti.asm: Likewise.
11150         * config/fr30/crtn.asm: Likewise.
11151         * config/fr30/lib1funcs.asm: Likewise.
11152         * config/freebsd-spec.h: Likewise.
11153         * config/frv/cmovd.c: Likewise.
11154         * config/frv/cmovh.c: Likewise.
11155         * config/frv/cmovw.c: Likewise.
11156         * config/frv/frvbegin.c: Likewise.
11157         * config/frv/frvend.c: Likewise.
11158         * config/frv/lib1funcs.asm: Likewise.
11159         * config/glibc-stdint.h: Likewise.
11160         * config/h8300/clzhi2.c: Likewise.
11161         * config/h8300/crti.asm: Likewise.
11162         * config/h8300/crtn.asm: Likewise.
11163         * config/h8300/ctzhi2.c: Likewise.
11164         * config/h8300/fixunssfsi.c: Likewise.
11165         * config/h8300/lib1funcs.asm: Likewise.
11166         * config/h8300/parityhi2.c: Likewise.
11167         * config/h8300/popcounthi2.c: Likewise.
11168         * config/i386/ammintrin.h: Likewise.
11169         * config/i386/att.h: Likewise.
11170         * config/i386/avxintrin.h: Likewise.
11171         * config/i386/biarch64.h: Likewise.
11172         * config/i386/bmmintrin.h: Likewise.
11173         * config/i386/cpuid.h: Likewise.
11174         * config/i386/cross-stdarg.h: Likewise.
11175         * config/i386/crtfastmath.c: Likewise.
11176         * config/i386/crtprec.c: Likewise.
11177         * config/i386/cygming-crtbegin.c: Likewise.
11178         * config/i386/cygming-crtend.c: Likewise.
11179         * config/i386/cygwin.asm: Likewise.
11180         * config/i386/emmintrin.h: Likewise.
11181         * config/i386/gmm_malloc.h: Likewise.
11182         * config/i386/gthr-win32.c: Likewise.
11183         * config/i386/i386.h: Likewise.
11184         * config/i386/immintrin.h: Likewise.
11185         * config/i386/linux-unwind.h: Likewise.
11186         * config/i386/linux64.h: Likewise.
11187         * config/i386/mm3dnow.h: Likewise.
11188         * config/i386/mmintrin-common.h: Likewise.
11189         * config/i386/mmintrin.h: Likewise.
11190         * config/i386/nmmintrin.h: Likewise.
11191         * config/i386/pmm_malloc.h: Likewise.
11192         * config/i386/pmmintrin.h: Likewise.
11193         * config/i386/smmintrin.h: Likewise.
11194         * config/i386/sol2-c1.asm: Likewise.
11195         * config/i386/sol2-ci.asm: Likewise.
11196         * config/i386/sol2-cn.asm: Likewise.
11197         * config/i386/sol2-gc1.asm: Likewise.
11198         * config/i386/tmmintrin.h: Likewise.
11199         * config/i386/unix.h: Likewise.
11200         * config/i386/w32-unwind.h: Likewise.
11201         * config/i386/wmmintrin.h: Likewise.
11202         * config/i386/x86-64.h: Likewise.
11203         * config/i386/x86intrin.h: Likewise.
11204         * config/i386/xmmintrin.h: Likewise.
11205         * config/ia64/crtbegin.asm: Likewise.
11206         * config/ia64/crtend.asm: Likewise.
11207         * config/ia64/crtfastmath.c: Likewise.
11208         * config/ia64/crti.asm: Likewise.
11209         * config/ia64/crtn.asm: Likewise.
11210         * config/ia64/fde-glibc.c: Likewise.
11211         * config/ia64/lib1funcs.asm: Likewise.
11212         * config/ia64/linux-unwind.h: Likewise.
11213         * config/ia64/quadlib.c: Likewise.
11214         * config/ia64/unwind-ia64.c: Likewise.
11215         * config/linux.h: Likewise.
11216         * config/m32c/m32c-lib1.S: Likewise.
11217         * config/m32c/m32c-lib2-trapv.c: Likewise.
11218         * config/m32c/m32c-lib2.c: Likewise.
11219         * config/m32r/initfini.c: Likewise.
11220         * config/m68hc11/larith.asm: Likewise.
11221         * config/m68hc11/m68hc11-crt0.S: Likewise.
11222         * config/m68k/cf.md: Likewise.
11223         * config/m68k/crti.s: Likewise.
11224         * config/m68k/crtn.s: Likewise.
11225         * config/m68k/lb1sf68.asm: Likewise.
11226         * config/m68k/linux-unwind.h: Likewise.
11227         * config/mcore/crti.asm: Likewise.
11228         * config/mcore/crtn.asm: Likewise.
11229         * config/mcore/lib1.asm: Likewise.
11230         * config/mips/linux-unwind.h: Likewise.
11231         * config/mips/loongson.h: Likewise.
11232         * config/mips/mips16.S: Likewise.
11233         * config/mmix/crti.asm: Likewise.
11234         * config/mmix/crtn.asm: Likewise.
11235         * config/pa/fptr.c: Likewise.
11236         * config/pa/hpux-unwind.h: Likewise.
11237         * config/pa/lib2funcs.asm: Likewise.
11238         * config/pa/linux-atomic.c: Likewise.
11239         * config/pa/linux-unwind.h: Likewise.
11240         * config/pa/milli64.S: Likewise.
11241         * config/pa/quadlib.c: Likewise.
11242         * config/pa/stublib.c: Likewise.
11243         * config/picochip/libgccExtras/adddi3.asm: Likewise.
11244         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
11245         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
11246         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
11247         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
11248         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
11249         * config/picochip/libgccExtras/divmod15.asm: Likewise.
11250         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
11251         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
11252         * config/picochip/libgccExtras/longjmp.asm: Likewise.
11253         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
11254         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
11255         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
11256         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
11257         * config/picochip/libgccExtras/setjmp.asm: Likewise.
11258         * config/picochip/libgccExtras/subdi3.asm: Likewise.
11259         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
11260         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
11261         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
11262         * config/rs6000/750cl.h: Likewise.
11263         * config/rs6000/altivec.h: Likewise.
11264         * config/rs6000/biarch64.h: Likewise.
11265         * config/rs6000/crtresfpr.asm: Likewise.
11266         * config/rs6000/crtresgpr.asm: Likewise.
11267         * config/rs6000/crtresxfpr.asm: Likewise.
11268         * config/rs6000/crtresxgpr.asm: Likewise.
11269         * config/rs6000/crtsavfpr.asm: Likewise.
11270         * config/rs6000/crtsavgpr.asm: Likewise.
11271         * config/rs6000/darwin-asm.h: Likewise.
11272         * config/rs6000/darwin-fallback.c: Likewise.
11273         * config/rs6000/darwin-fpsave.asm: Likewise.
11274         * config/rs6000/darwin-ldouble.c: Likewise.
11275         * config/rs6000/darwin-tramp.asm: Likewise.
11276         * config/rs6000/darwin-unwind.h: Likewise.
11277         * config/rs6000/darwin-vecsave.asm: Likewise.
11278         * config/rs6000/darwin-world.asm: Likewise.
11279         * config/rs6000/e500crtres32gpr.asm: Likewise.
11280         * config/rs6000/e500crtres64gpr.asm: Likewise.
11281         * config/rs6000/e500crtres64gprctr.asm: Likewise.
11282         * config/rs6000/e500crtrest32gpr.asm: Likewise.
11283         * config/rs6000/e500crtrest64gpr.asm: Likewise.
11284         * config/rs6000/e500crtresx32gpr.asm: Likewise.
11285         * config/rs6000/e500crtresx64gpr.asm: Likewise.
11286         * config/rs6000/e500crtsav32gpr.asm: Likewise.
11287         * config/rs6000/e500crtsav64gpr.asm: Likewise.
11288         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
11289         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
11290         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
11291         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
11292         * config/rs6000/eabi-ci.asm: Likewise.
11293         * config/rs6000/eabi-cn.asm: Likewise.
11294         * config/rs6000/eabi.asm: Likewise.
11295         * config/rs6000/linux-unwind.h: Likewise.
11296         * config/rs6000/linux64.h: Likewise.
11297         * config/rs6000/paired.h: Likewise.
11298         * config/rs6000/paired.md: Likewise.
11299         * config/rs6000/ppc64-fp.c: Likewise.
11300         * config/rs6000/ppu_intrinsics.h: Likewise.
11301         * config/rs6000/rs6000.h: Likewise.
11302         * config/rs6000/si2vmx.h: Likewise.
11303         * config/rs6000/sol-ci.asm: Likewise.
11304         * config/rs6000/sol-cn.asm: Likewise.
11305         * config/rs6000/spe.h: Likewise.
11306         * config/rs6000/spu2vmx.h: Likewise.
11307         * config/rs6000/sysv4.h: Likewise.
11308         * config/rs6000/tramp.asm: Likewise.
11309         * config/rs6000/vec_types.h: Likewise.
11310         * config/s390/linux-unwind.h: Likewise.
11311         * config/s390/tpf-unwind.h: Likewise.
11312         * config/score/crti.asm: Likewise.
11313         * config/score/crtn.asm: Likewise.
11314         * config/sh/crt1.asm: Likewise.
11315         * config/sh/crti.asm: Likewise.
11316         * config/sh/crtn.asm: Likewise.
11317         * config/sh/divtab-sh4-300.c: Likewise.
11318         * config/sh/divtab-sh4.c: Likewise.
11319         * config/sh/divtab.c: Likewise.
11320         * config/sh/lib1funcs-4-300.asm: Likewise.
11321         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
11322         * config/sh/lib1funcs.asm: Likewise.
11323         * config/sh/lib1funcs.h: Likewise.
11324         * config/sh/linux-atomic.asm: Likewise.
11325         * config/sh/linux-unwind.h: Likewise.
11326         * config/sh/shmedia.h: Likewise.
11327         * config/sh/sshmedia.h: Likewise.
11328         * config/sh/ushmedia.h: Likewise.
11329         * config/sparc/crtfastmath.c: Likewise.
11330         * config/sparc/linux-unwind.h: Likewise.
11331         * config/sparc/sol2-c1.asm: Likewise.
11332         * config/sparc/sol2-ci.asm: Likewise.
11333         * config/sparc/sol2-cn.asm: Likewise.
11334         * config/spu/divmodti4.c: Likewise.
11335         * config/spu/divv2df3.c: Likewise.
11336         * config/spu/float_disf.c: Likewise.
11337         * config/spu/float_unsdidf.c: Likewise.
11338         * config/spu/float_unsdisf.c: Likewise.
11339         * config/spu/float_unssidf.c: Likewise.
11340         * config/spu/mfc_multi_tag_release.c: Likewise.
11341         * config/spu/mfc_multi_tag_reserve.c: Likewise.
11342         * config/spu/mfc_tag_release.c: Likewise.
11343         * config/spu/mfc_tag_reserve.c: Likewise.
11344         * config/spu/mfc_tag_table.c: Likewise.
11345         * config/spu/multi3.c: Likewise.
11346         * config/spu/spu_internals.h: Likewise.
11347         * config/spu/spu_intrinsics.h: Likewise.
11348         * config/spu/spu_mfcio.h: Likewise.
11349         * config/spu/vec_types.h: Likewise.
11350         * config/spu/vmx2spu.h: Likewise.
11351         * config/stormy16/stormy16-lib2.c: Likewise.
11352         * config/svr4.h: Likewise.
11353         * config/sync.c: Likewise.
11354         * config/v850/lib1funcs.asm: Likewise.
11355         * config/vxlib-tls.c: Likewise.
11356         * config/vxlib.c: Likewise.
11357         * config/vxworks-dummy.h: Likewise.
11358         * config/xtensa/crti.asm: Likewise.
11359         * config/xtensa/crtn.asm: Likewise.
11360         * config/xtensa/ieee754-df.S: Likewise.
11361         * config/xtensa/ieee754-sf.S: Likewise.
11362         * config/xtensa/lib1funcs.asm: Likewise.
11363         * config/xtensa/lib2funcs.S: Likewise.
11364         * config/xtensa/linux-unwind.h: Likewise.
11365         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
11366         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
11367         * coretypes.h: Likewise.
11368         * crtstuff.c: Likewise.
11369         * defaults.h: Likewise.
11370         * dwarf2.h: Likewise.
11371         * emutls.c: Likewise.
11372         * gbl-ctors.h: Likewise.
11373         * gcov-io.h: Likewise.
11374         * ginclude/float.h: Likewise.
11375         * ginclude/iso646.h: Likewise.
11376         * ginclude/stdarg.h: Likewise.
11377         * ginclude/stdbool.h: Likewise.
11378         * ginclude/stddef.h: Likewise.
11379         * ginclude/stdfix.h: Likewise.
11380         * ginclude/stdint-gcc.h: Likewise.
11381         * ginclude/tgmath.h: Likewise.
11382         * gthr-aix.h: Likewise.
11383         * gthr-dce.h: Likewise.
11384         * gthr-gnat.c: Likewise.
11385         * gthr-gnat.h: Likewise.
11386         * gthr-lynx.h: Likewise.
11387         * gthr-mipssde.h: Likewise.
11388         * gthr-nks.h: Likewise.
11389         * gthr-posix.c: Likewise.
11390         * gthr-posix.h: Likewise.
11391         * gthr-posix95.h: Likewise.
11392         * gthr-rtems.h: Likewise.
11393         * gthr-single.h: Likewise.
11394         * gthr-solaris.h: Likewise.
11395         * gthr-tpf.h: Likewise.
11396         * gthr-vxworks.h: Likewise.
11397         * gthr-win32.h: Likewise.
11398         * gthr.h: Likewise.
11399         * libgcc2.c: Likewise.
11400         * libgcc2.h: Likewise.
11401         * libgcov.c: Likewise.
11402         * tsystem.h: Likewise.
11403         * typeclass.h: Likewise.
11404         * unwind-c.c: Likewise.
11405         * unwind-compat.h: Likewise.
11406         * unwind-dw2-fde-compat.c: Likewise.
11407         * unwind-dw2-fde-darwin.c: Likewise.
11408         * unwind-dw2-fde-glibc.c: Likewise.
11409         * unwind-dw2-fde.c: Likewise.
11410         * unwind-dw2-fde.h: Likewise.
11411         * unwind-dw2.c: Likewise.
11412         * unwind-dw2.h: Likewise.
11413         * unwind-generic.h: Likewise.
11414         * unwind-pe.h: Likewise.
11415         * unwind-sjlj.c: Likewise.
11416         * unwind.inc: Likewise.
11417         * config/arm/neon-gen.ml: Change generated copyright header to
11418         refer to version 3 of the GNU General Public License with
11419         version 3.1 of the GCC Runtime Library Exception and to point
11420         readers at the COPYING3 and COPYING3.RUNTIME files and the
11421         FSF's license web page.
11422         * config/arm/arm_neon.h: Regenerate.
11423
11424 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
11425
11426         * config/cris/cris.md: Change copyright header to refer to version
11427         3 of the GNU General Public License.
11428         * doc/install.texi2html: Change copyright header to refer to version
11429         3 of the GNU General Public License and to point readers at the
11430         COPYING3 file and the FSF's license web page.
11431         * config/vax/linux.h: Likewise.
11432
11433 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
11434
11435         * config/i386/i386.md (cmpcc): New.
11436         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
11437         (sync_compare_and_swap_cc*): Delete.
11438
11439         * config/s390/s390.c (s390_compare_emitted): Remove.
11440         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
11441         s390_compare_emitted used to be handled.  Assert that modes match.
11442         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
11443         refer to sync_compare_and_swap_ccsi.
11444         * config/s390/s390.h (s390_compare_emitted): Remove.
11445         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
11446         instead of s390_compare_emitted.
11447         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
11448         instead of s390_compare_emitted.
11449         * config/s390/s390.md (cmpcc): New.
11450         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
11451         CC_REGNUM, do not pretend it's set.
11452         (sync_compare_and_swap_cc*): Delete.
11453         * config/s390/predicates.md (cc_reg_operand): New.
11454
11455         * expr.c (sync_compare_and_swap_cc): Delete.
11456         * optabs.h (sync_compare_and_swap_cc): Delete.
11457         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
11458         is being used with can_compare_p.
11459         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
11460         (find_cc_set): New.
11461         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
11462         look for a MODE_CC set instead.  Use emit_store_flag.
11463         (expand_compare_and_swap_loop): Likewise, with some additional
11464         complication to avoid a force_reg when useless.  Use
11465         emit_cmp_and_jump_insns.
11466         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
11467         * doc/md.texi (sync_compare_and_swap_cc): Merge with
11468         sync_compare_and_swap documentation.
11469
11470 2009-04-09  Jan Hubicka  <jh@suse.cz>
11471
11472         * except.c (find_prev_try): Break out from ....
11473         (duplicate_eh_regions): ... here; properly update prev_try pointers
11474         when duplication part of tree.
11475         (dump_eh_tree): Improve dumping.
11476         (verify_eh_region): New.
11477         (verify_eh_tree): Use it.
11478
11479 2009-04-06  Richard Guenther  <rguenther@suse.de>
11480
11481         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
11482         &ARRAY addresses by adjusting their types and prepending
11483         a conversion.
11484         * tree-cfg.c (verify_gimple_assign_single): Verify that
11485         addresses are correct.
11486
11487 2009-04-09  Richard Guenther  <rguenther@suse.de>
11488
11489         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
11490         indices into an array reference if possible.
11491         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
11492         Fold POINTER_PLUS_EXPR statements with invariant address.
11493
11494 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
11495
11496         PR target/39634
11497         * config.gcc (powerpc64-*-linux*): Always build biarch.
11498
11499 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
11500
11501         PR c/39613
11502         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
11503         it and pedwarn if this results in an INTEGER_CST.
11504
11505 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11506
11507         * doc/install.texi: Update minimum GMP version.  Remove obsolete
11508         text in MPFR section.
11509
11510 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
11511
11512         * dwarf2out.c (class_scope_p): New static inline.
11513         (class_or_namespace_scope_p): Use it.
11514         (gen_variable_die): Use DW_TAG_member tag for static data member
11515         declarations instead of DW_TAG_variable.
11516
11517         PR middle-end/39573
11518         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
11519         variables.
11520
11521 2009-04-08  Richard Guenther  <rguenther@suse.de>
11522
11523         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
11524         valueize random data.
11525
11526 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
11527
11528         * config.gcc (aix tm_file):  Add aix-stdint.h.
11529         (aix tm clause use_gcc_stdint):  Set to wrap.
11530         * config/rs6000/aix-stdint.h:  New file.
11531
11532 2009-04-08  Richard Guenther  <rguenther@suse.de>
11533
11534         PR middle-end/36291
11535         * tree-dfa.c (add_referenced_var): Do not recurse into
11536         global initializers.
11537         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
11538         exposed variables.
11539         (fold_const_aggregate_ref): Likewise.
11540
11541 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
11542
11543         * recog.c (ordered_comparison_operator): New.
11544         * gensupport.c (std_preds): Add it.
11545         * doc/md.texi (Machine-Independent Predicates): Document it.
11546
11547 2009-04-08  Jan Hubicka  <jh@suse.cz>
11548
11549         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
11550         * function.h (rtl_eh): Remove exception_handler_label_map.
11551         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
11552         remove_exception_handler_label, for_each_eh_label_1): Remove.
11553         (rtl_remove_unreachable_regions): Remove.
11554         (convert_from_eh_region_ranges): Do not remove unreachable regions.
11555         (find_exception_handler_labels): Don't build the hashtable.
11556         (maybe_remove_eh_handler): Remove.
11557         (for_each_eh_label): Rewrite to walk the tree.
11558         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
11559         * except.h (maybe_remove_eh_handler): Remove.
11560         * passes.c (init_optimization_passes): Schedule second EH cleanup
11561         before out-of-ssa.
11562         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
11563         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
11564
11565 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
11566
11567         * genoutput.c (validate_optab_operands): New.
11568         (gen_insn, gen_expand): Call it.
11569
11570         * genflags.c (gen_insn): Detect misused iterators.
11571         (main): Pass line_no to gen_insn, exit with status 1 on error.
11572
11573         * genextract.c (line_no): Make global.
11574         (VEC_safe_set_locstr): Change assertion to error message.
11575         (main): Exit with status 1 on error.
11576
11577 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
11578
11579         PR c/39614
11580         PR c/39673
11581         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
11582         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
11583         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
11584         * c-convert.c (convert): Do not call fold on results of conversion
11585         functions when the result is a C_MAYBE_CONST_EXPR.
11586         * c-parser.c (c_parser_postfix_expression): Do not fold condition
11587         of __builtin_choose_expr.
11588         * c-typeck.c (remove_c_maybe_const_expr): New.
11589         (build_unary_op, build_conditional_expr, build_compound_expr,
11590         build_binary_op, c_objc_common_truthvalue_conversion): Call
11591         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
11592         integer operands.
11593
11594 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
11595
11596         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
11597         CODE to produce a new one. Add a prototype to use fold_convert_const
11598
11599 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
11600
11601         PR bootstrap/39660
11602         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
11603         mix declarations and code.
11604
11605 2009-04-08  Ben Elliston  <bje@au.ibm.com>
11606
11607         * gcc.c: Replace `CC' with `GCC' throughout.
11608
11609 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
11610
11611         * doc/invoke.texi: Document Atom support.
11612
11613 2009-04-07  Jason Merrill  <jason@redhat.com>
11614
11615         PR c++/25185
11616         * c-common.h, c-common.c: Add flag_pretty_templates.
11617         * c-opts.c (c_common_handle_option): Set it.
11618         * c.opt: Add -fno-pretty-templates.
11619         * doc/invoke.texi (C++ Dialect Options): Likewise.
11620
11621 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
11622
11623         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
11624         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
11625         (ia64_expand_builtin): Likewise.
11626
11627 2009-04-07  Martin Jambor  <mjambor@suse.cz>
11628
11629         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
11630         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
11631         ADDR_EXPRS are include too.
11632
11633 2009-04-07  Richard Guenther  <rguenther@suse.de>
11634
11635         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
11636         decls are only used if passes as parameters or if they are
11637         local statics and the call is not to a builtin.
11638         (call_may_clobber_ref_p_1): Likewise.
11639
11640 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
11641
11642         * expr.c (do_store_flag): Remove last argument.  Simplify code
11643         to avoid duplication of tests already done by can_compare_p.
11644         (expand_expr_real_1): Adjust caller.
11645
11646 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
11647
11648         * optabs.c (can_compare_p): Test the predicate of a
11649         cbranch and cstore pattern.
11650
11651 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
11652
11653         * expr.c (convert_move): Use emit_store_flag instead of
11654         "emulating" it.
11655
11656 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
11657
11658         * config/i386/i386.c (ix86_compare_emitted): Remove.
11659         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
11660         ix86_compare_op0 like ix86_compare_emitted used to be handled.
11661         * config/i386/i386.h (ix86_compare_emitted): Remove.
11662         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
11663         instead of ix86_compare_emitted.
11664         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
11665
11666 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
11667
11668         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
11669         Add t-sysroot-suffix to tmake_file.
11670         * config/print-sysroot-suffix.sh: New file.
11671         * config/t-sysroot-suffix: New file.
11672
11673 2009-04-07  Ben Elliston  <bje@au.ibm.com>
11674
11675         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
11676         as the latter produces a warning when the target does not support
11677         infinity.
11678
11679 2009-04-07  Ben Elliston  <bje@au.ibm.com>
11680
11681         * dfp.c: Replace type punning assignments with memcpy throughout.
11682         * Makefile.in (dfp.o-warn): Remove.
11683
11684 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
11685
11686         PR target/39634
11687         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
11688         Include soft-fp/t-softfp after rs6000/t-linux64.
11689
11690 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
11691
11692         * stor-layout.c (set_sizetype): Use the full precision of their
11693         machine mode for bitsize types.
11694
11695 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
11696
11697         * config/i386/i386.md: Revert 2 accidental checkins.
11698
11699 2009-04-06  Joey Ye  <joey.ye@intel.com>
11700             Xuepeng Guo  <xuepeng.guo@intel.com>
11701             H.J. Lu  <hongjiu.lu@intel.com>
11702
11703         Atom pipeline model, tuning and insn selection.
11704         * config.gcc (atom): Add atom config options and target.
11705
11706         * config/i386/atom.md: New.
11707
11708         * config/i386/i386.c (atom_cost): New cost.
11709         (m_ATOM): New macro flag.
11710         (initial_ix86_tune_features): Set m_ATOM.
11711         (x86_accumulate_outgoing_args): Likewise.
11712         (x86_arch_always_fancy_math_387): Likewise.
11713         (processor_target): Add Atom cost.
11714         (cpu_names): Add Atom cpu name.
11715         (override_options): Set Atom ISA.
11716         (ix86_issue_rate): New case PROCESSOR_ATOM.
11717         (ix86_adjust_cost): Likewise.
11718
11719         * config/i386/i386.h (TARGET_ATOM): New target macro.
11720         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
11721         (TARGET_OPT_AGU): New target option.
11722         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
11723         (processor_type): Add PROCESSOR_ATOM.
11724
11725         * config/i386/i386.md (cpu): Add new value "atom".
11726         (use_carry, movu): New attr.
11727         (atom.md): Include atom.md.
11728         (adddi3_carry_rex64): Set attr "use_carry".
11729         (addqi3_carry): Likewise.
11730         (addhi3_carry): Likewise.
11731         (addsi3_carry): Likewise.
11732         (*addsi3_carry_zext): Likewise.
11733         (subdi3_carry_rex64): Likewise.
11734         (subqi3_carry): Likewise.
11735         (subhi3_carry): Likewise.
11736         (subsi3_carry): Likewise.
11737         (x86_movdicc_0_m1_rex64): Likewise.
11738         (*x86_movdicc_0_m1_se): Likewise.
11739         (x86_movsicc_0_m1): Likewise.
11740         (*x86_movsicc_0_m1_se): Likewise.
11741         (*adddi_1_rex64): Emit add insn as much as possible.
11742         (*addsi_1): Likewise.
11743         (return_internal): Set atom_unit.
11744         (return_internal_long): Likewise.
11745         (return_pop_internal): Likewise.
11746         (*rcpsf2_sse): Set atom_sse_attr attr.
11747         (*qrt<mode>2_sse): Likewise.
11748         (*prefetch_sse): Likewise.
11749
11750         * config/i386/i386-c.c (ix86_target_macros_internal): New case
11751         PROCESSOR_ATOM.
11752         (ix86_target_macros_internal): Likewise.
11753
11754         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
11755         (*prefetch_sse_rex): Likewise.
11756         (sse_rcpv4sf2): Likewise.
11757         (sse_vmrcpv4sf2): Likewise.
11758         (sse_sqrtv4sf2): Likewise.
11759         (<sse>_vmsqrt<mode>2): Likewise.
11760         (sse_ldmxcsr): Likewise.
11761         (sse_stmxcsr): Likewise.
11762         (*sse_sfence): Likewise.
11763         (sse2_clflush): Likewise.
11764         (*sse2_mfence): Likewise.
11765         (*sse2_lfence): Likewise.
11766         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
11767         (<sse>_movup<ssemodesuffixf2c>): Likewise.
11768         (avx_movdqu<avxmodesuffix>): Likewise.
11769         (avx_lddqu<avxmodesuffix>): Likewise.
11770         (sse2_movntv2di): Change attr "type" to "ssemov".
11771         (sse2_movntsi): Likewise.
11772         (rsqrtv8sf2): Change attr "type" to "sseadd".
11773         (sse3_addsubv2df3): Set attr "atom_unit".
11774         (sse3_h<plusminus_insn>v4sf3): Likewise.
11775         (*sse2_pmaddwd): Likewise.
11776         (*vec_extractv2di_1_rex64): Likewise.
11777         (*vec_extractv2di_1_avx): Likewise.
11778         (sse2_psadbw): Likewise.
11779         (ssse3_phaddwv8hi3): Likewise.
11780         (ssse3_phaddwv4hi3): Likewise.
11781         (ssse3_phadddv4si3): Likewise.
11782         (ssse3_phadddv2si3): Likewise.
11783         (ssse3_phaddswv8hi3): Likewise.
11784         (ssse3_phaddswv4hi3): Likewise.
11785         (ssse3_phsubwv8hi3): Likewise.
11786         (ssse3_phsubwv4hi3): Likewise.
11787         (ssse3_phsubdv4si3): Likewise.
11788         (ssse3_phsubdv2si3): Likewise.
11789         (ssse3_phsubswv8hi3): Likewise.
11790         (ssse3_phsubswv4hi3): Likewise.
11791         (ssse3_pmaddubsw128): Likewise.
11792         (sse3_pmaddubsw: Likewise.
11793         (ssse3_palignrti): Likewise.
11794         (ssse3_palignrdi): Likewise.
11795
11796 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
11797
11798         * doc/install.texi (Specific): Fix two cross-references to MinGW.
11799
11800 2009-04-06  Richard Guenther  <rguenther@suse.de>
11801
11802         PR tree-optimization/28868
11803         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
11804         of which PHI results we inserted.
11805         (insert_into_preds_of_block): Record inserted PHIs.
11806         (eliminate): Eliminate redundant PHI nodes.
11807         (init_pre): Init inserted_phi_names.
11808
11809 2009-04-06  Richard Guenther  <rguenther@suse.de>
11810
11811         PR tree-optimization/39643
11812         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
11813         IMAGPART_EXPRs of complex constants.
11814         (execute_fold_all_builtins): If we folded a call queue
11815         TODO_update_address_taken.
11816
11817 2009-04-06  Jan Hubicka  <jh@suse.cz>
11818
11819         PR middle-end/39659
11820         * except.c (remove_unreachable_regions): Propagate may_contain_throw
11821         flag.
11822
11823 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
11824
11825         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
11826         delay slot.
11827         (ic_invalidate_array): Likewise.
11828
11829 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
11830
11831         * calls.c (emit_library_call_value_1): Fix a problem with parameter
11832         alignment for library calls.
11833
11834 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
11835
11836         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
11837         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
11838         * config/i386/mingw-stdint.h:  New file.
11839
11840 2009-04-05  Richard Guenther  <rguenther@suse.de>
11841
11842         PR tree-optimization/39648
11843         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
11844         our &A vs. &A[0] IL deficiencies.
11845
11846 2009-04-04  Jan Hubicka  <jh@suse.cz>
11847
11848         * except.c (sjlj_find_directly_reachable_regions): Be ready for
11849         removed toplevel regions.
11850         (sjlj_mark_call_sites): Likewise.
11851
11852 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
11853
11854         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
11855         (cygwin tm clause use_gcc_stdint):  Set to wrap.
11856         * config/i386/cygwin-stdint.h:  New file.
11857
11858 2009-04-04  Richard Guenther  <rguenther@suse.de>
11859
11860         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
11861         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
11862         single-argument PHIs if we are in loop-closed SSA form.
11863         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
11864         for the pre-condition.
11865         (slpeel_tree_peel_loop_to_edge): Likewise.
11866         (vect_build_loop_niters): Take an optional sequence to append stmts.
11867         (vect_generate_tmps_on_preheader): Likewise.
11868         (vect_do_peeling_for_loop_bound): Take extra guards for the
11869         pre-condition.
11870         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
11871         the cost model check.
11872         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
11873         guards if we are going to peel.  Do not apply versioning in that case.
11874         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
11875         (vect_do_peeling_for_loop_bound): Likewise.
11876         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
11877         loop bound only record extra pre-conditions, do not apply loop
11878         versioning.
11879
11880 2009-04-04  Richard Guenther  <rguenther@suse.de>
11881
11882         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
11883         renaming code.
11884
11885 2009-04-04  Jan Hubicka  <jh@suse.cz>
11886
11887         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
11888         last_basic_block for size of bb->index indexed array.
11889         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
11890         compute_out, link_btr_uses, build_btr_def_use_webs,
11891         build_btr_def_use_webs, migrate_btr_defs): Likewise.
11892
11893 2009-04-04  Jan Hubicka  <jh@suse.cz>
11894
11895         * except.c (remove_eh_handler_and_replace): Break out from ...
11896         (remove_eh_handler): ... here.
11897         (bring_to_root): New function.
11898         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
11899         handled ones, bring others to root of tree.
11900
11901 2009-04-04  Jan Hubicka  <jh@suse.cz>
11902
11903         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
11904         (all_phis_safe_to_merge): New function.
11905         (update_info): New structure.
11906         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
11907         (cleanup_empty_eh): Update SSA if possible.
11908
11909 2009-04-04  Richard Guenther  <rguenther@suse.de>
11910
11911         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
11912         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
11913         (append_vuse): Likewise.
11914
11915 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
11916
11917         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
11918         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
11919         instead of REG_UNSAVED for DW_CFA_undefined.
11920         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
11921         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
11922         outermost frame.
11923
11924 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
11925
11926         PR target/39501
11927         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
11928         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
11929         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
11930
11931 2009-04-04  Richard Guenther  <rguenther@suse.de>
11932
11933         PR tree-optimization/8781
11934         PR tree-optimization/37892
11935         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
11936         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
11937         (valueize_refs): Call it for *& valueizations.
11938         (shared_reference_ops_from_ref): Rename to ...
11939         (valueize_shared_reference_ops_from_ref): ... this and valueize.
11940         (shared_reference_ops_from_call): Rename to ...
11941         (valueize_shared_reference_ops_from_call): ... this and valueize.
11942         (vn_reference_lookup): Update.
11943         (visit_reference_op_call): Likewise.
11944         * tree-ssa-pre.c (phi_translate_1): Fold *&.
11945         (eliminate): Value-replace the call address in call statements.
11946
11947 2009-04-04  Richard Guenther  <rguenther@suse.de>
11948
11949         PR tree-optimization/39636
11950         * tree-ssa-forwprop.c
11951         (forward_propagate_addr_into_variable_array_index): Check for
11952         GIMPLE_ASSIGN before accessing the rhs code.
11953
11954 2009-04-03  Jason Merrill  <jason@redhat.com>
11955
11956         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
11957
11958 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
11959
11960         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
11961         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
11962         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
11963         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
11964         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
11965         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
11966         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
11967         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
11968         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
11969         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
11970         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
11971         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
11972         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
11973         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
11974         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
11975         Use fr_reg_or_fp01_operand instead of fr_register_operand
11976
11977         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
11978         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
11979         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
11980
11981 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
11982
11983         PR rtl-optimization/39607
11984         PR rtl-optimization/39631
11985
11986         Revert:
11987
11988         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
11989         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
11990         instead of DF_LR_OUT.
11991         * ira-lives.c (process_bb_node_lives): Ditto.
11992         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
11993         instead of DF_LR_{OUT,IN}.
11994         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
11995         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
11996
11997 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
11998
11999         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
12000         (execute_lower_omp): Always run but take the short way out if -fopenmp
12001         is not given.
12002         (gate_lower_omp): Remove, forcing the pass manager to always run the
12003         pass and always set PROP_gimple_lomp.
12004         (pass_lower_omp): Remove gate function.
12005         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
12006         PROP_trees.  Instead, require it.
12007         * ipa-cp.c (pass_ipa_cp): Likewise.
12008         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
12009         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
12010         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
12011         and PROP_gimple_leh.
12012
12013 2009-04-03  Richard Guenther  <rguenther@suse.de>
12014
12015         PR middle-end/13146
12016         PR tree-optimization/23940
12017         PR tree-optimization/33237
12018         PR middle-end/33974
12019         PR middle-end/34093
12020         PR tree-optimization/36201
12021         PR tree-optimization/36230
12022         PR tree-optimization/38049
12023         PR tree-optimization/38207
12024         PR tree-optimization/38230
12025         PR tree-optimization/38301
12026         PR tree-optimization/38585
12027         PR middle-end/38895
12028         PR tree-optimization/38985
12029         PR tree-optimization/39299
12030         * tree-ssa-structalias.h: Remove.
12031         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
12032         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
12033         (struct vuse_element_d): Remove.
12034         (struct vuse_vec_d): Likewise.
12035         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
12036         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
12037         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
12038         VUSE_ELEMENT_VAR): Likewise.
12039         (struct voptype_d): Likewise.
12040         (NUM_VOP_FREE_BUCKETS): Likewise.
12041         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
12042         (struct stmt_operands_d): Remove.
12043         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
12044         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
12045         VDEF_NUM, VDEF_VECT): Likewise.
12046         (copy_virtual_operands): Remove.
12047         (operand_build_cmp): Likewise.
12048         (create_ssa_artificial_load_stmt): Likewise.
12049         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
12050         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
12051         vuse_index and mayuse_index members.  Pack and move done and iter_type
12052         members to the front.
12053         (SSA_OP_VMAYUSE): Remove.
12054         (SSA_OP_VIRTUAL_USES): Adjust.
12055         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
12056         (unlink_stmt_vdef): Declare.
12057         (add_to_addressable_set): Remove.
12058         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
12059         (vrp_visit_stmt): Likewise.
12060         * doc/tree-ssa.texi (Alias analysis): Update.
12061         * doc/invoke.texi (max-aliased-vops): Remove docs.
12062         (avg-aliased-vops): Likewise.
12063         * tree-into-ssa.c (syms_to_rename): Remove.
12064         (need_to_update_vops_p): Likewise.
12065         (need_to_initialize_update_ssa_p): Rename to ...
12066         (update_ssa_initialized_fn): ... this.  Track function we are
12067         initialized for.
12068         (symbol_marked_for_renaming): Simplify.
12069         (add_new_name_mapping): Do not set need_to_update_vops_p.
12070         (dump_currdefs): Use SYMS_TO_RENAME.
12071         (rewrite_update_stmt): Always walk all uses/defs.
12072         (dump_update_ssa): Adjust.
12073         (init_update_ssa): Take function argument.  Track what we are
12074         initialized for.
12075         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
12076         (create_new_def_for): Initialize for cfun, assert we are initialized
12077         for cfun.
12078         (mark_sym_for_renaming): Simplify.
12079         (mark_set_for_renaming): Do not initialize update-ssa.
12080         (need_ssa_update_p): Simplify.  Take function argument.
12081         (name_mappings_registered_p): Assert we ask for the correct function.
12082         (name_registered_for_update_p): Likewise.
12083         (ssa_names_to_replace): Likewise.
12084         (release_ssa_name_after_update_ssa): Likewise.
12085         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
12086         (dump_decl_set): Do not print a newline.
12087         (debug_decl_set): Do it here.
12088         (dump_update_ssa): And here.
12089         * tree-ssa-loop-im.c (move_computations): Adjust.
12090         (movement_possibility): Likewise.
12091         (determine_max_movement): Likewise.
12092         (gather_mem_refs_stmt): Likewise.
12093         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
12094         or NAME_MEMORY_TAG.
12095         * tree-complex.c (update_all_vops): Remove.
12096         (expand_complex_move): Adjust.
12097         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
12098         Simplify test for memory referencing statement.  Exclude
12099         non-invariant ADDR_EXPRs.
12100         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
12101         * tree-loop-distribution.c (generate_memset_zero): Adjust.
12102         (rdg_flag_uses): Likewise.
12103         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
12104         related code.
12105         (tree_optimize_tail_calls_1): Also split the
12106         edge from the entry block if we have degenerate PHI nodes in
12107         the first basic block.
12108         * tree.c (init_ttree): Remove memory-tag related code.
12109         (tree_code_size): Likewise.
12110         (tree_node_structure): Likewise.
12111         (build7_stat): Re-write to be build6_stat.
12112         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
12113         (SSA_VAR_P): Adjust.
12114         (struct tree_memory_tag): Remove.
12115         (struct tree_memory_partition_tag): Likewise.
12116         (union tree_node): Adjust.
12117         (build7): Re-write to be build6.
12118         * tree-pass.h (pass_reset_cc_flags): Remove.
12119         (TODO_update_address_taken): New flag.
12120         (pass_simple_dse): Remove.
12121         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
12122         * params.h (MAX_ALIASED_VOPS): Remove.
12123         (AVG_ALIASED_VOPS): Likewise.
12124         * omp-low.c (expand_omp_taskreg): Update SSA form.
12125         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
12126         aliases the lhs in a copy stmt.
12127         * tree-ssa-dse.c (struct address_walk_data): Remove.
12128         (memory_ssa_name_same): Likewise.
12129         (memory_address_same): Likewise.
12130         (get_kill_of_stmt_lhs): Likewise.
12131         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
12132         unused stores.  Look through PHI nodes into post-dominated regions.
12133         (dse_optimize_stmt): Simplify.  Properly remove stores.
12134         (tree_ssa_dse): Compute dominators.
12135         (execute_simple_dse): Remove.
12136         (pass_simple_dse): Likewise.
12137         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
12138         gimple_loaded_syms and gimple_stored_syms computation.
12139         * toplev.c (dump_memory_report): Dump alias and pta stats.
12140         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
12141         (vn_reference_eq): Likewise.
12142         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
12143         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
12144         valueize_vuses): Remove.
12145         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
12146         (get_def_ref_stmt_vuse): ... this.
12147         (vn_reference_lookup_2): New function.
12148         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
12149         walking equivalent vuses.  Simplify.
12150         (vn_reference_lookup): Likewise.
12151         (vn_reference_insert): Likewise.
12152         (vn_reference_insert_pieces): Likewise.
12153         (visit_reference_op_call): Simplify.
12154         (visit_reference_op_load): Likewise.
12155         (visit_reference_op_store): Likewise.
12156         (init_scc_vn): Remove shared_lookup_vuses initialization.
12157         (free_scc_vn): Remove shared_lookup_vuses freeing.
12158         (sort_vuses, sort_vuses_heap): Remove.
12159         (get_ref_from_reference_ops): Export.
12160         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
12161         vector with single vuse pointer.
12162         (vn_reference_lookup_pieces, vn_reference_lookup,
12163         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
12164         (shared_vuses_from_stmt): Remove.
12165         (get_ref_from_reference_ops): Declare.
12166         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
12167         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
12168         memory-tag related code.
12169         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
12170         (likely_value): Add comment, skip static-chain of call statements.
12171         (surely_varying_stmt_p): Adjust.
12172         (gimplify_and_update_call_from_tree): Likewise.
12173         (execute_fold_all_builtins): Do not rebuild alias info.
12174         (gimplify_and_update_call_from_tree): Properly update VOPs.
12175         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
12176         (copy_ref_info): Remove memory-tag related code.
12177         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
12178         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
12179         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
12180         computation.
12181         * tree-ssa-dom.c (gimple_p): Remove typedef.
12182         (eliminate_redundant_computations): Adjust.
12183         (record_equivalences_from_stmt): Likewise.
12184         (avail_expr_hash): Likewise.
12185         (avail_expr_eq): Likewise.
12186         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
12187         (stmt_makes_single_load): Likewise.
12188         (stmt_makes_single_store): Likewise.
12189         * tree-ssa-alias.c: Rewrite completely.
12190         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
12191         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
12192         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
12193         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
12194         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
12195         Remove public functions.
12196         (pass_reset_cc_flags): Remove.
12197         (pass_build_alias): Move ...
12198         * tree-ssa-structalias.c (pass_build_alias): ... here.
12199         * tree-ssa-alias.c (may_be_aliased): Move ...
12200         * tree-flow-inline.h (may_be_aliased): ... here.
12201         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
12202         count_uses_and_derefs): Move ...
12203         * gimple.c: ... here.
12204         * gimple.h (count_uses_and_derefs): Declare.
12205         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
12206         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
12207         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
12208         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
12209         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
12210         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
12211         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
12212         New functions.
12213         * tree-dfa.c (refs_may_alias_p): Move ...
12214         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
12215         * tree-ssa-alias.h: New file.
12216         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
12217         (statement_sink_location): Likewise.
12218         * opts.c (decode_options): Do not adjust max-aliased-vops or
12219         avg-aliased-vops values.
12220         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
12221         (TV_CALL_CLOBBER): Likewise.
12222         (TV_FLOW_SENSITIVE): Likewise.
12223         (TV_FLOW_INSENSITIVE): Likewise.
12224         (TV_MEMORY_PARTITIONING): Likewise.
12225         (TV_ALIAS_STMT_WALK): New timevar.
12226         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
12227         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
12228         (get_address_description): Remove memory-tag related code.
12229         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
12230         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
12231         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
12232         and immediate uses in statements.  Document.
12233         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
12234         (dump_symbols): Remove.
12235         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
12236         * alias.c (get_deref_alias_set): New function split out from ...
12237         (get_alias_set): ... here.
12238         * alias.h (get_deref_alias_set): Declare.
12239         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
12240         type parameter.  Remove restrict pointer handling.  Create a
12241         ref-all pointer in case type-based alias sets do not conflict.
12242         (vect_analyze_data_refs): Remove SMT related code.
12243         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
12244         (vectorizable_load): Likewise.
12245         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
12246         (DR_SYMBOL_TAG, DR_VOPS): Remove.
12247         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
12248         Ignore vops and SMTs.
12249         (dr_analyze_alias): Likewise..
12250         (free_data_ref): Likewise.
12251         (create_data_ref): Likewise.
12252         (analyze_all_data_dependences): Likewise.
12253         (get_references_in_stmt): Adjust.
12254         * tree-flow-inline.h (gimple_aliases_computed_p,
12255         gimple_addressable_vars, gimple_call_clobbered_vars,
12256         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
12257         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
12258         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
12259         gimple_mem_ref_stats): Remove.
12260         (gimple_vop): New function.
12261         (op_iter_next_use): Remove vuses and mayuses cases.
12262         (op_iter_next_def): Remove vdefs case.
12263         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
12264         (clear_and_done_ssa_iter): Do not set removed fields.
12265         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
12266         Assert we are not iterating over vuses or vdefs if not also
12267         iterating over uses or defs.
12268         (op_iter_init_use): Likewise.
12269         (op_iter_init_def): Likewise.
12270         (op_iter_next_vdef): Remove.
12271         (op_iter_next_mustdef): Likewise.
12272         (op_iter_init_vdef): Likewise.
12273         (compare_ssa_operands_equal): Likewise.
12274         (link_use_stmts_after): Handle vuse operand.
12275         (is_call_used): Use is_call_clobbered.
12276         (is_call_clobbered): Global variables are always call clobbered,
12277         query the call-clobbers bitmap.
12278         (mark_call_clobbered): Ignore global variables.
12279         (clear_call_clobbered): Likewise.
12280         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
12281         virtual operands sanity check.
12282         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
12283         Remove.
12284         (TARGET_MEM_REF): Remove TMR_TAG operand.
12285         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
12286         Remove call-clobber related code.
12287         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
12288         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
12289         partitions or escape reason.
12290         (get_single_def_stmt, get_single_def_stmt_from_phi,
12291         get_single_def_stmt_with_phi): Remove.
12292         (dump_referenced_vars): Tidy.
12293         (get_ref_base_and_extent): Allow bare decls.
12294         (collect_dfa_stats): Adjust.
12295         * graphite.c (rename_variables_in_stmt): Adjust.
12296         (graphite_copy_stmts_from_block): Likewise.
12297         (translate_clast): Likewise.
12298         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
12299         (EXPR_DIES): New.
12300         (translate_vuse_through_block): Use the oracle.
12301         (phi_translate_1): Adjust.
12302         (value_dies_in_block_x): Use the oracle.  Cache the outcome
12303         in EXPR_DIES.
12304         (valid_in_sets): Check if the VUSE for
12305         a REFERENCE is available.
12306         (eliminate): Do not remove stmts during elimination,
12307         instead queue and remove them afterwards.
12308         (do_pre): Do not rebuild alias info.
12309         (pass_pre): Run TODO_rebuild_alias before PRE.
12310         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
12311         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
12312         (mark_all_v_defs_stmt): Remove.
12313         (mark_all_v_defs_seq): Adjust.
12314         (sra_replace): Likewise.
12315         (scalarize_use): Likewise.
12316         (scalarize_copy): Likewise.
12317         (scalarize_init): Likewise.
12318         (scalarize_ldst): Likewise.
12319         (todoflags): Remove.
12320         (tree_sra): Do not rebuild alias info.
12321         (tree_sra_early): Adjust.
12322         (pass_sra): Run TODO_update_address_taken before SRA.
12323         * tree-predcom.c (set_alias_info): Remove.
12324         (prepare_initializers_chain): Do not call it.
12325         (mark_virtual_ops_for_renaming): Adjust.
12326         (mark_virtual_ops_for_renaming_list): Remove.
12327         (initialize_root_vars): Adjust.
12328         (initialize_root_vars_lm): Likewise.
12329         (prepare_initializers_chain): Likewise.
12330         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
12331         (may_propagate_copy_into_stmt): Likewise.
12332         (merge_alias_info): Do nothing for now.
12333         (propagate_tree_value_into_stmt): Adjust.
12334         (stmt_may_generate_copy): Likewise.
12335         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
12336         not mark symbols for renaming.
12337         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
12338         with the same statement, make sure to update the new pointed-to one.
12339         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
12340         call statements, do not mark symbols for renaming.
12341         (mark_operand_necessary): Dump something.
12342         (ref_may_be_aliased): New function.
12343         (mark_aliased_reaching_defs_necessary_1): New helper function.
12344         (mark_aliased_reaching_defs_necessary): Likewise.
12345         (mark_all_reaching_defs_necessary_1): Likewise.
12346         (mark_all_reaching_defs_necessary): Likewise.
12347         (propagate_necessity): Do not process virtual PHIs.  For
12348         non-aliased loads mark all reaching definitions as necessary.
12349         For aliased loads and stores mark the immediate dominating
12350         aliased clobbers as necessary.
12351         (visited): New global static.
12352         (perform_tree_ssa_dce): Free visited bitmap after propagating
12353         necessity.
12354         (remove_dead_phis): Perform simple dead virtual PHI removal.
12355         (remove_dead_stmt): Properly unlink virtual operands when
12356         removing stores.
12357         (eliminate_unnecessary_stmts): Schedule PHI removal after
12358         stmt removal.
12359         * tree-ssa-ter.c (is_replaceable_p): Adjust.
12360         (process_replaceable): Likewise.
12361         (find_replaceable_in_bb): Likewise.
12362         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
12363         based on the single gimple vop.
12364         (verify_flow_insensitive_alias_info): Remove.
12365         (verify_flow_sensitive_alias_info): Likewise.
12366         (verify_call_clobbering): Likewise.
12367         (verify_memory_partitions): Likewise.
12368         (verify_alias_info): Likewise.
12369         (verify_ssa): Adjust..
12370         (execute_update_addresses_taken): Export.  Update SSA
12371         manually.  Optimize only when optimizing.  Use a local bitmap.
12372         (pass_update_address_taken): Remove TODO_update_ssa, add
12373         TODO_dump_func.
12374         (pass_update_address_taken): Just use TODO_update_address_taken.
12375         (init_tree_ssa): Do not initialize addressable_vars.
12376         (verify_ssa): Verify new VUSE / VDEF properties.
12377         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
12378         Do not call verify_alias_info.
12379         (delete_tree_ssa): Clear the VUSE, VDEF operands.
12380         Do not free the loaded and stored syms bitmaps.  Reset the escaped
12381         and callused solutions.  Do not free addressable_vars.
12382         Remove memory-tag related code.
12383         (warn_uninitialized_var): Aliases are always available.
12384         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
12385         * lambda-code.c (can_put_in_inner_loop): Adjust.
12386         (can_put_after_inner_loop): Likewise.
12387         (perfect_nestify): Likewise.
12388         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
12389         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
12390         (vectorizable_conversion): Do not mark symbols for renaming.
12391         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
12392         (expand_call_inline): Unlink the calls virtual operands before
12393         replacing it.
12394         (tree_function_versioning): Do not call update_ssa if we are not
12395         updating clones.  Simplify.
12396         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
12397         (propagate_with_phi): Likewise..
12398         * tree-outof-ssa.c (create_temp): Remove memory tag and call
12399         clobber code.  Assert we are not aliased or global.
12400         * tree-flow.h: Include tree-ssa-alias.h
12401         (enum escape_type): Remove.
12402         (struct mem_sym_stats_d): Likewise.
12403         (struct mem_ref_stats_d): Likewise.
12404         (struct gimple_df): Add vop member.  Remove global_var,
12405         call_clobbered_vars, call_used_vars, addressable_vars,
12406         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
12407         escaped and callused members.
12408         (struct ptr_info_def): Remove all members, add points-to solution
12409         member pt.
12410         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
12411         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
12412         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
12413         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
12414         (tree-ssa-alias.o): Likewise.
12415         (toplev.o): Add tree-ssa-alias.h
12416         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
12417         * gimple.c (gimple_set_bb): Fix off-by-one error.
12418         (is_gimple_reg): Do not handle memory tags.
12419         (gimple_copy): Also copy virtual operands.
12420         Delay updating the statement.  Do not reset loaded and stored syms.
12421         (gimple_set_stored_syms): Remove.
12422         (gimple_set_loaded_syms): Likewise.
12423         (gimple_call_copy_skip_args): Copy the virtual operands
12424         and mark the new statement modified.
12425         * tree-ssa-structalias.c (may_alias_p): Remove.
12426         (set_uids_in_ptset): Take the alias set to prune with as
12427         parameter.  Fold in the alias test of may_alias_p.
12428         (compute_points_to_sets): Compute whether a ptr is dereferenced
12429         in a local sbitmap.
12430         (process_constraint): Deal with &ANYTHING on the lhs, reject all
12431         other ADDRESSOF constraints on the lhs.
12432         (get_constraint_for_component_ref): Assert that we don't get
12433         ADDRESSOF constraints from the base of the reference.
12434         Properly generate UNKNOWN_OFFSET for DEREF if needed.
12435         (struct variable_info): Remove collapsed_to member.
12436         (get_varinfo_fc): Remove.
12437         (new_var_info): Do not set collapsed_to.
12438         (dump_constraint): Do not follow cycles.
12439         (dump_constraint_graph): Likewise.
12440         (build_pred_graph): Likewise.
12441         (build_succ_graph): Likewise.
12442         (rewrite_constraints): Likewise.
12443         (do_simple_structure_copy): Remove.
12444         (do_rhs_deref_structure_copy): Remove.
12445         (do_lhs_deref_structure_copy): Remove.
12446         (collapse_rest_of_var): Remove.
12447         (do_structure_copy): Re-implement.
12448         (pta_stats): New global variable.
12449         (dump_pta_stats): New function.
12450         (struct constraint_expr): Make offset signed.
12451         (UNKNOWN_OFFSET): Define special value.
12452         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
12453         (solution_set_expand): New helper function split out from ...
12454         (do_sd_constraint): ... here.
12455         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
12456         (do_ds_constraint): Likewise.
12457         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
12458         and CALLUSED = *CALLUSED.
12459         (set_union_with_increment): Make inc argument signed.
12460         (type_safe): Remove.
12461         (get_constraint_for_ptr_offset): Handle unknown and negative
12462         constant offsets.
12463         (first_vi_for_offset): Handle offsets before start.  Bail
12464         out early for offsets beyond the variable extent.
12465         (first_or_preceding_vi_for_offset): New function.
12466         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
12467         Together with ESCAPED = *ESCAPED this properly computes reachability.
12468         (find_what_var_points_to): New function.
12469         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
12470         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
12471         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
12472         pt_solutions_intersect): New functions.
12473         (compute_call_used_vars): Remove.
12474         (compute_may_aliases): New main entry into PTA computation.
12475         * gimple.h (gimple_p): New typedef.
12476         (struct gimple_statement_base): Remove references_memory_p.
12477         (struct gimple_statement_with_memory_ops_base): Remove
12478         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
12479         members.
12480         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
12481         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
12482         gimple_set_references_memory): Remove.
12483         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
12484         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
12485         New functions.
12486         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
12487         (verify_expr): Allow RESULT_DECL.
12488         (gimple_duplicate_bb): Do not copy virtual operands.
12489         (gimple_duplicate_sese_region): Adjust.
12490         (gimple_duplicate_sese_tail): Likewise.
12491         (mark_virtual_ops_in_region): Remove.
12492         (move_sese_region_to_fn): Do not call it.
12493         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
12494         and pass_simple_dse.
12495         (execute_function_todo): Handle TODO_update_address_taken,
12496         call execute_update_addresses_taken for TODO_rebuild_alias.
12497         (execute_todo): Adjust.
12498         (execute_one_pass): Init dump files early.
12499         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
12500         call-clobbered.
12501         (create_general_new_stmt): Clear vops.
12502         * tree-ssa-reassoc.c (get_rank): Adjust.
12503         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
12504         symbols for renaming.
12505         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
12506         (PARAM_AVG_ALIASED_VOPS): Likewise.
12507         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
12508         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
12509         * tree-ssa-operands.c: Simplify for new virtual operand representation.
12510         (operand_build_cmp, copy_virtual_operands,
12511         create_ssa_artificial_load_stmt, add_to_addressable_set,
12512         gimple_add_to_addresses_taken): Remove public functions.
12513         (unlink_stmt_vdef): New function.
12514
12515 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
12516
12517         * config.gcc (powerpc-*-linux*): Merge variants.
12518
12519 2009-04-02  Chao-ying Fu  <fu@mips.com>
12520             James Grosbach  <james.grosbach@microchip.com>
12521
12522         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
12523         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
12524         cop0_sp_offset.
12525         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
12526         keep_interrupts_masked_p, use_debug_exception_return_p.
12527         (mips_attribute_table): Add interrupt, use_shadow_register_set,
12528         keep_interrupts_masked, use_debug_exception_return.
12529         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
12530         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
12531         New functions.
12532         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
12533         (mips_print_operand): Process COP0 registers to print $0 .. $31
12534         correctly for GAS to process.
12535         (mips_interrupt_extra_call_saved_reg_p): New function.
12536         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
12537         extra registers.
12538         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
12539         (mips_compute_frame_info): Add supports for interrupt context that
12540         includes doubleword accumulators and COP0 registers.
12541         (mips_for_each_saved_acc): New function.
12542         (mips_for_each_saved_gpr_and_fpr): Change the function name from
12543         mips_for_each_saved_reg.
12544         (mips_save_reg): Save accumulators.
12545         (mips_kernel_reg_p): A new for_each_rtx callback.
12546         (mips_expand_prologue): Support interrupt handlers.
12547         (mips_restore_reg): Restore accumulators.
12548         (mips_expand_epilogue): Support interrupt handlers.
12549         (mips_can_use_return_insn): Return false for interrupt handlers.
12550         (mips_epilogue_uses): New function.
12551         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
12552         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
12553         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
12554         cop0_move): New instructions.
12555         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
12556         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
12557         defines.
12558         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
12559         New defines.
12560         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
12561         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
12562         interrupt handlers, we use K0 as the temporary register.
12563         (EPILOGUE_USES): Change to a function call.
12564         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
12565         handlers, we use K0 as the temporary register.
12566
12567         * doc/extend.texi (Function Attributes): Document interrupt,
12568         use_shadow_register_set, keep_interrupts_masked,
12569         use_debug_exception_return for MIPS attributes.
12570
12571 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
12572
12573         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
12574         Remove a number of t-files from tmake_file.
12575         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
12576         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
12577         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
12578         target_prototype, not TARGET_PROTOTYPE.
12579         (LINK_OS_GNU_SPEC): Define.
12580         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
12581         and darwin-ldoubdle.c.
12582
12583 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
12584
12585         PR driver/39293
12586         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
12587         (cpp_options): Ditto.
12588         (default_compilers): Ditto.
12589         (display_help): Ditto.
12590         (process_command): Ditto.
12591         (do_spec_1): Ditto.
12592         (set_input): Use lbasename instead of duplicate code.
12593         (save_temps_prefix): New static for -save-temps=obj.
12594         (save_temps_length): Ditto.
12595
12596         * doc/invoke.texi (-save-temps=obj): Document new variant to
12597         -save-temps switch.
12598
12599 2009-04-02  Jeff Law  <law@redhat.com>
12600
12601         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
12602         variable.
12603
12604 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
12605
12606         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
12607         * configure: Regenerated.
12608
12609 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
12610
12611         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
12612         share the argument list.
12613
12614 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
12615
12616         Merge
12617
12618         2009-02-12  Diego Novillo  <dnovillo@google.com>
12619
12620         * varpool.c (debug_varpool): New.
12621         * cgraph.h (debug_varpool): Declare.
12622
12623 2009-04-02  Jan Hubicka  <jh@suse.cz>
12624
12625         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
12626         pass.
12627
12628 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
12629
12630         * config/i386/i386.c (ix86_abi): Move initialization to ...
12631         (override_options): Here.
12632
12633 2009-04-02  Christian Bruel  <christian.bruel@st.com>
12634
12635         * config/sh/sh.c (sh_dwarf_register_span): New function.
12636         (TARGET_DWARF_REGISTER_SPAN): Define.
12637         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
12638
12639 2009-04-02  Ira Rosen  <irar@il.ibm.com>
12640
12641         PR tree-optimization/39595
12642         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
12643         interleaved loads group is not  greater than the SLP group size.
12644
12645 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
12646
12647         * builtins.c (is_builtin_name): New.
12648         (called_as_built_in): Use is_builtin_name.
12649         * tree.h (is_builtin_name): New.
12650         * varasm.c (incorporeal_function_p): Use is_builtin_name
12651
12652 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
12653
12654         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
12655
12656 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
12657
12658         PR c++/26693
12659         * c-decl.c (clone_underlying_type): Move this ...
12660         * c-common.c (set_underlying_type): ... here.
12661         Also, make sure the function properly sets TYPE_STUB_DECL() on
12662         the newly created typedef variant type.
12663         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
12664         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
12665         points.
12666
12667 2009-04-02  Richard Guenther  <rguenther@suse.de>
12668
12669         PR tree-optimization/37221
12670         * tree-flow.h (degenerate_phi_result): Declare.
12671         * tree-ssa-dom.c (degenerate_phi_result): Export.
12672         * tree-scalar-evolution.c (analyze_initial_condition): If
12673         the initial condition is defined by a degenerate PHI node
12674         use the degenerate value.
12675
12676 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
12677
12678         PR rtl-optimization/39588
12679         * combine.c (merge_outer_ops): Do not set the constant when this
12680         is not necessary.
12681         (simplify_shift_const_1): Do not modify it either in this case.
12682
12683 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
12684
12685         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
12686         tuning is deprecated if -mtune value is set to an Itanium1 variant.
12687
12688 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
12689
12690         PR c/29027
12691         * c-lex.c (interpret_float): Default (no suffix) is double.
12692
12693 2009-04-1  Xinliang David Li  <davidxl@google.com>
12694
12695         * config/i386/i386.c (legitimate_constant_p): Recognize
12696         all one vector constant.
12697
12698 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
12699
12700         * config/vax/vax.c: Add #includes to silence warnings.
12701         Change #include order to silence two warnings.
12702
12703 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
12704
12705         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
12706         (ASM_SPEC): Pass -k to the assembler for PIC code.
12707
12708 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
12709
12710         * config.gcc: Add vax-*-linux* to the switch.
12711         * config/vax/linux.h: New file. (TARGET_VERSION,
12712         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
12713
12714 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
12715
12716         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
12717         Use predicate macros instead of GET_CODE() == foo.
12718         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
12719         ashlsi3, rotrsi3, <unnamed>): Likewise.
12720
12721 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
12722
12723         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
12724         jbbccihi, jbbccisi): Remova trailing whitespace.
12725         * config/vax/constraints.md: Likewise.
12726         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
12727         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
12728         * config/vax/predicates.md: Likewise.
12729         * config/vax/vax.c (print_operand_address, vax_output_int_move,
12730         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
12731         * config/vax/vax.h: Likewise.
12732         * config/vax/vax.md (nonlocal_goto): Likewise.
12733
12734 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
12735
12736         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
12737         (indirectable_address_p, adjacent_operands_p): Add spaces around
12738         braces.
12739         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
12740
12741 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
12742
12743         * config/vax/vax.c (legitimate_constant_address_p,
12744         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
12745         index_term_p, reg_plus_index_p, legitimate_address_p,
12746         vax_mode_dependent_address_p): Update comments to match functions
12747         modified by the recent int->bool conversion.
12748
12749 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
12750
12751         * config/vax/builtins.md: Update copyright message.
12752         * config/vax/constraints.md: Likewise.
12753         * config/vax/netbsd-elf.h: Likewise.
12754         * config/vax/predicates.md: Likewise.
12755         * config/vax/vax-protos.h: Likewise.
12756         * config/vax/vax.c: Likewise.
12757         * config/vax/vax.h: Likewise.
12758         * config/vax/vax.md: Likewise.
12759         * config/vax/vax.opt: Likewise.
12760
12761 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
12762
12763         * config/vax/builtins.md (ffssi2, ffssi2_internal,
12764         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
12765         * config/vax/constraints.md (B, R): Likewise.
12766         * config/vax/predicates.md (external_memory_operand,
12767         nonimmediate_addsub_di_operand): Likewise.
12768         * config/vax/vax.c (vax_output_int_add): Likewise.
12769         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
12770         untyped_call): Likewise.
12771
12772 2009-04-01  Matt Thomas  <matt@3am-software.com>
12773
12774         * config/vax/predicates.md: New file.
12775         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
12776         external_const_operand, nonsymbolic_operand, external_memory_operand,
12777         indirect_memory_operand, indexed_memory_operand,
12778         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
12779         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
12780         predicate.
12781         * config/vax/constraints.md: New file.
12782         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
12783         New constraint.
12784         * config/vax/builtins.md: New file.
12785         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
12786         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
12787         jbbccisi): Define.
12788         * config/vax/vax.opt (mqmath): Add option.
12789         * config/vax/vax.md (isfx): Extend with DI.
12790         (VAXintQH, VAXintQHSD): Define.
12791         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
12792         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
12793         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
12794         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
12795         (movdi): Update constraints and use vax_output_int_move().
12796         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
12797         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
12798         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
12799         nonlocal_goto): New.
12800         (mov<mode>): Extend accepted operand types.
12801         (subdi3_old): Rename from subdi3, change update constraints and use
12802         a new implementation.
12803         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
12804         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
12805         MOVE_RATIO, CLEAR_RATIO): Define.
12806         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
12807         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12808         (PRINT_OPERAND): Redefine using a function instead of inlined code.
12809         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
12810         (split_quadword_operands): Make static and really allow variable
12811         splitting.
12812         (print_operand_address): Update for PIC generation.
12813         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
12814         indexable_address_p, fixup_mathdi_operand,
12815         vax_expand_addsub_di_operands, adjacent_operands_p): New.
12816         (vax_float_literal, legitimate_constant_p,
12817         indirectable_constant_address_p, index_term_p,
12818         reg_plus_index_p): Return bool instead of int.
12819         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
12820         where needed.
12821         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
12822         generation.
12823         (vax_output_conditional_branch): Indent.
12824         (legitimate_constant_address_p, indirectable_constant_address_p,
12825         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
12826         vax_mode_dependent_address_p): Return bool instead of int, update for
12827         PIC generation.
12828         * config/vax/vax-protos.h (legitimate_constant_address_p,
12829         legitimate_constant_p, legitimate_address_p,
12830         vax_mode_dependent_address_p): Change declaration to bool.
12831         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
12832         vax_expand_addsub_di_operands, vax_output_int_subtract,
12833         vax_output_movmemsi): Declare.
12834         (split_quadword_operands, vax_float_literal): Delete declaration.
12835         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
12836         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
12837         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
12838         ASM_OUTPUT_DWARF_PCREL): Define.
12839         (ASM_SPEC): Change definition to allow PIC generation.
12840
12841 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
12842
12843         * doc/sourcebuild.texi: Update front-end requirements.
12844
12845 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
12846
12847         PR target/39226
12848         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
12849         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
12850         (booldi3_internal3): Use boolean_or_operator instead of
12851         boolean_operator.
12852
12853 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
12854
12855         PR c/39605
12856         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
12857         declarator whose size is not an integer constant expression but
12858         folds to an integer constant, then treat it as a constant
12859         subsequently.
12860
12861 2009-04-01  Richard Guenther  <rguenther@suse.de>
12862
12863         * fold-const.c (fold_plusminus_mult_expr): Do not fold
12864         i * 4 + 2 to (i * 2 + 1) * 2.
12865
12866 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
12867
12868         PR c/37772
12869         * c-parser.c (c_parser_asm_statement): Skip until close paren and
12870         return if c_parser_asm_string_literal returned NULL.
12871
12872 2009-04-01  Nick Clifton  <nickc@redhat.com>
12873
12874         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
12875         already defined.
12876         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
12877         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
12878         other typedefs to avoid conflicts with libgcc2.c.  Define labels
12879         to gain 16-bit bit-manipulation functions from libgcc2.c and then
12880         include it.
12881         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
12882         to gain 16-bit trapping arithmetic functions from libgcc2.c and
12883         then include it.
12884
12885 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
12886
12887         * varasm.c (default_function_rodata_section): Declare DOT as
12888         const char*.
12889
12890 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
12891             Andrey Galkin  <agalkin@hypercom.com>
12892
12893         PR/39492
12894         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
12895         Make object_name unique for each process.
12896
12897 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
12898
12899         PR other/39591
12900         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
12901         addressable variables in the parallel that could go out of scope while
12902         running queued tasks.
12903
12904 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
12905
12906         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
12907         (CASE_VALUES_THRESHOLD): Redefine.
12908         * config/avr/avr.c (avr_override_options): Remove initialization of
12909         avr_case_values_threshold variable.
12910         (avr_case_values_threshold): Remove variable. Add new function.
12911         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
12912         * config/avr/avr.opt (mno-tablejump): Remove option.
12913         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
12914
12915 2009-04-01  DJ Delorie  <dj@redhat.com>
12916
12917         * varasm.c (default_function_rodata_section): Don't assume
12918         anything about where the first '.' in the section name is.
12919
12920 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
12921
12922         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
12923         rs6000_emit_stack_tie.
12924
12925 2009-03-31  Ian Lance Taylor  <iant@google.com>
12926
12927         * tree-eh.c (tree_remove_unreachable_handlers): Compare
12928         gimple_code with GIMPLE_RESX, not RESX.
12929
12930 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
12931
12932         * c-common.c (c_get_ident): New.
12933         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
12934
12935 2009-04-01  Ben Elliston  <bje@au.ibm.com>
12936
12937         * config/rs6000/sysv4.opt (msdata): Improve option description.
12938
12939 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
12940
12941         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
12942         (divdf3_internal_lat): Remove.
12943         (divxf3_internal_lat): Remove.
12944         (divxf3_internal_thr): Remove.
12945         (divxf): Use divxf3_internal.
12946         * config/ia64/div.md (divsf3_internal_lat): New.
12947         (divdf3_internal_lat): New.
12948         (divxf3_internal): New.
12949
12950 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
12951
12952         PR c/448
12953         * Makefile.in (USE_GCC_STDINT): Define.
12954         (stmp-int-hdrs): Install stdint.h if applicable.
12955         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
12956         if known.
12957         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
12958         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
12959         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
12960         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
12961         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
12962         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
12963         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
12964         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
12965         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
12966         (c_common_nodes_and_builtins): Initialize
12967         underlying_wchar_type_node.  Do not initialize
12968         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
12969         nodes for new types.
12970         (c_stddef_cpp_builtins): Define macros for new types.
12971         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
12972         Remove.
12973         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
12974         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
12975         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
12976         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
12977         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
12978         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
12979         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
12980         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
12981         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
12982         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
12983         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
12984         int16_type_node, int32_type_node, int64_type_node,
12985         uint8_type_node, uint16_type_node, c_uint32_type_node,
12986         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
12987         int_least32_type_node, int_least64_type_node,
12988         uint_least8_type_node, uint_least16_type_node,
12989         uint_least32_type_node, uint_least64_type_node,
12990         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
12991         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
12992         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
12993         uintptr_type_node): Define.
12994         * c-cppbuiltin.c (builtin_define_constants,
12995         builtin_define_type_minmax): New.
12996         (builtin_define_stdint_macros): Define more macros.
12997         (c_cpp_builtins): Define more limit macros.
12998         (type_suffix): New.
12999         (builtin_define_type_max): Define in terms of
13000         builtin_define_type_minmax.  Remove is_long parameter.  All
13001         callers changed.
13002         * config.gcc (use_gcc_stdint): Define.
13003         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
13004         Add newlib-stdint.h for generic targets.
13005         * config/glibc-stdint.h, config/newlib-stdint.h,
13006         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
13007         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
13008         * config/score/score.h (UINTPTR_TYPE): Define.
13009         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
13010         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
13011         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
13012         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
13013         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
13014         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
13015         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
13016         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
13017         * config/spu/spu.h (STDINT_LONG32): Define.
13018         * configure.ac (use_gcc_stdint): Substitute.
13019         * configure: Regenerate.
13020         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
13021         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
13022         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
13023         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
13024         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
13025         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
13026         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
13027         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
13028         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
13029         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
13030         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
13031         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
13032         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
13033         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
13034         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
13035         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
13036         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
13037         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
13038         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
13039         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
13040         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
13041         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
13042         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
13043         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
13044         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
13045         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
13046         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
13047         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
13048         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
13049
13050 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
13051
13052         * loop-iv.c (suitable_set_for_replacement): Renamed from
13053         simplify_using_assignment; changed to return bool and to accept new
13054         args DEST and SRC.  Return true iff we find a source/destination pair
13055         that can be used to make a replacement, and fill SRC and DEST if so.
13056         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
13057         changed.
13058         (simplify_using_initial_values): Deal with altered regs here and track
13059         more precisely the effect they have on the validity of our expression.
13060
13061         * loop-iv.c (simplify_using_condition): A condition of the form
13062         (EQ REG CONST) can be used to simply make a substitution.
13063         (simplify_using_initial_values): Keep track of conditions we have seen
13064         and keep using them to simplify new expressions, while applying the
13065         same substitutions to them as to the expression.
13066
13067         * simplify-rtx.c (simplify_relational_operation_1): Simplify
13068         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
13069         GEU/LTU reversed.
13070
13071         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
13072         changed.  Use this when trying to improve the upper bound.
13073         Generate the comparison by using simplify_gen_relational.
13074
13075         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
13076
13077         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
13078         functions.
13079         (simplify_using_assignment, simplify_using_initial_values): Call
13080         replace_in_expr to make replacements.  Call replace_single_def_regs
13081         once on the initial version of the expression.
13082
13083 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
13084
13085         PR target/27237
13086         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
13087
13088 2009-03-31  Richard Guenther  <rguenther@suse.de>
13089
13090         PR middle-end/31029
13091         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
13092         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
13093
13094 2009-03-31  Richard Guenther  <rguenther@suse.de>
13095
13096         * tree.h (div_if_zero_remainder): Declare.
13097         * fold-const.c (div_if_zero_remainder): Export.
13098         * tree-ssa-forwprop.c
13099         (forward_propagate_addr_into_variable_array_index): Handle
13100         constant array index addition outside of the variable index.
13101
13102 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
13103
13104         PR target/39592
13105         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
13106         define_splits, floatunssi<mode>2): Require x87 conversions from
13107         DImode to be permitted.
13108
13109 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
13110
13111         PR preprocessor/15638
13112         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
13113
13114 2009-03-31  Richard Guenther  <rguenther@suse.de>
13115
13116         PR middle-end/23401
13117         PR middle-end/27810
13118         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
13119         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
13120         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
13121         a separate statement.
13122         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
13123         (lookup_tmp_var): Likewise.
13124         (is_gimple_formal_tmp_or_call_rhs): Remove.
13125         (is_gimple_reg_or_call_rhs): Rename to ...
13126         (is_gimple_reg_rhs_or_call): ... this.
13127         (is_gimple_mem_or_call_rhs): Rename to ...
13128         (is_gimple_mem_rhs_or_call): ... this.
13129         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
13130         DECL_GIMPLE_REG_P only if is_formal is true.
13131         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
13132         for non-proper post-modify expression gimplification.
13133         (gimplify_self_mod_expr): For post-modify expressions gimplify
13134         the lvalue to a minimal lvalue.
13135         (rhs_predicate_for): Remove formal temp case.
13136         (gimplify_modify_expr_rhs): Likewise.
13137         (gimplify_addr_expr): Use is_gimple_reg.
13138         (gimplify_expr): Remove formal temp cases.
13139         (gimple_regimplify_operands): Likewise.
13140         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
13141         and FILTER_EXPR like constants.
13142         * gimple.c (walk_gimple_op): Fix val_only initialization, use
13143         is_gimple_reg.
13144         (is_gimple_formal_tmp_rhs): Remove.
13145         (is_gimple_reg_rhs): Remove special casing.
13146         (is_gimple_mem_rhs): Fix.
13147         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
13148         (is_gimple_formal_tmp_var): Remove.
13149         (is_gimple_formal_tmp_reg): Likewise.
13150         (is_gimple_min_lval): Allow invariant component ref parts.
13151         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
13152         is_gimple_formal_tmp_reg): Remove declarations.
13153         * tree-cfg.c (verify_expr): Verify that variables with address
13154         taken do not have DECL_GIMPLE_REG_P set.
13155         * tree-mudflap.c (mf_build_check_statement_for): Use
13156         force_gimple_operand instead of gimplify_expr.
13157
13158 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
13159
13160         * modulo-sched.c (sms_schedule_by_order): Pass the actual
13161         schedulable rows to compute_split_row.
13162
13163 2009-03-31  Ben Elliston  <bje@au.ibm.com>
13164
13165         PR target/31635
13166         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
13167         OPT_mvrsave.
13168
13169 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
13170
13171         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
13172         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
13173         * configure: Regenerate.
13174         * config.in: Regenerate.
13175         * config/rs6000/rs6000.opt (mtls-markers): Add.
13176         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
13177         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
13178         (tls_ld_aix, tls_ld_sysv): Likewise.
13179         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
13180         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
13181
13182 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
13183
13184         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
13185
13186 2009-03-30  Jan Hubicka  <jh@suse.cz>
13187
13188         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
13189         out of RESX.
13190         (tree_remove_unreachable_handlers): Cleanup EH predecestor
13191         detection and label handling.
13192
13193 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
13194
13195         * ira-int.h (ira_allocno): Rename left_conflicts_num to
13196         left_conflicts_size.
13197         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
13198         ALLOCNO_LEFT_CONFLICTS_SIZE.
13199
13200         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
13201         remove_allocno_from_bucket_and_push,
13202         allocno_spill_priority_compare, push_allocnos_to_stack,
13203         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
13204         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
13205         (setup_allocno_left_conflicts_num): Ditto.  Rename to
13206         setup_allocno_left_conflicts_size.
13207         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
13208         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
13209         setup_allocno_left_conflicts_size instead of
13210         setup_allocno_left_conflicts_num.
13211
13212         * ira-build.c (ira_create_allocno): Use
13213         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
13214         ALLOCNO_LEFT_CONFLICTS_NUM.
13215
13216 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
13217
13218         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
13219         instead of DF_LR_OUT.
13220
13221         * ira-lives.c (process_bb_node_lives): Ditto.
13222
13223         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
13224         instead of DF_LR_{OUT,IN}.
13225
13226         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
13227
13228         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
13229
13230 2009-03-30  Jan Hubicka  <jh@suse.cz>
13231
13232         * except.c (label_to_region_map): Fix thinko.
13233
13234 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
13235
13236         PR middle-end/38237
13237         * tree.h (tree_find_value): New declaration.
13238         * tree.c (tree_find_value): New function.
13239         * varasm.c (assemble_external): Avoid duplicate entries on lists.
13240
13241 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
13242
13243         PR debug/39563
13244         * c-decl.c (struct c_binding): Add locus field.
13245         (bind): Add locus argument, set locus field from it.
13246         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
13247         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
13248         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
13249         implicitly_declare, undeclared_variable, lookup_label,
13250         declare_label, c_make_fname_decl, c_builtin_function,
13251         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
13252         bind callers.
13253
13254 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
13255
13256         PR target/38781
13257         * config/i386/i386.c (classify_argument): Check total size of
13258         structure.
13259
13260 2009-03-30  Martin Jambor  <mjambor@suse.cz>
13261
13262         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
13263         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
13264         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
13265         respectively.
13266
13267         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
13268         seen_variable_array_ref while also traversing a union.
13269
13270         * tree-inline.c (optimize_inline_calls): Do not call
13271         cgraph_node_remove_callees.
13272         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
13273         (pass_remove_cgraph_callee_edges): New variable.
13274         * passes.c (init_optimization_passes): Add
13275         pass_remove_cgraph_callee_edges after early inlining and before all
13276         late intraprocedural passes.
13277
13278         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
13279
13280 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
13281
13282         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
13283         Fix typos in names.
13284
13285 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
13286
13287         * combine.c (simplify_comparison): Use have_insn_for.
13288         * dojump.c (do_jump): Likewise.
13289
13290 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
13291
13292         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
13293         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
13294         sparc_compare_op0 like sparc_compare_emitted used to be handled.
13295         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
13296         instead of sparc_compare_emitted.
13297         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
13298         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
13299         instead of sparc_compare_emitted.
13300
13301 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
13302
13303         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
13304         enter/exit cfglayout mode.
13305         (pass_partition_block): Require it.
13306         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
13307         (combine_instructions): Track basic blocks instead of labels.
13308         (update_cfg_for_uncondjump): New.
13309         (try_combine): Use it.  Update jumps after rescanning.
13310         (pass_combine): Require PROP_cfglayout.
13311         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
13312
13313 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
13314
13315         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
13316         Provide/destroy PROP_cfglayout respectively.
13317         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
13318         * tree-pass.h (PROP_cfglayout): New.
13319
13320 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
13321
13322         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
13323         fold_convert_const_fixed_from_fixed,
13324         fold_convert_const_fixed_from_int,
13325         fold_convert_const_fixed_from_real, fold_negate_const): Do not
13326         set TREE_CONSTANT_OVERFLOW.
13327         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
13328         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
13329
13330 2009-03-30  Ira Rosen  <irar@il.ibm.com>
13331
13332         * tree-vect-loop-manip.c: New file.
13333         * tree-vectorizer.c: Update documentation and included files.
13334         (vect_loop_location): Make extern.
13335         (rename_use_op): Move to tree-vect-loop-manip.c
13336         (rename_variables_in_bb, rename_variables_in_loop,
13337         slpeel_update_phis_for_duplicate_loop,
13338         slpeel_update_phi_nodes_for_guard1,
13339         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
13340         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
13341         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
13342         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
13343         find_loop_location): Likewise.
13344         (new_stmt_vec_info): Move to tree-vect-stmts.c.
13345         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
13346         get_vectype_for_scalar_type, vect_is_simple_use,
13347         supportable_widening_operation, supportable_narrowing_operation):
13348         Likewise.
13349         (bb_in_loop_p): Move to tree-vect-loop.c.
13350         (new_loop_vec_info, destroy_loop_vec_info,
13351         reduction_code_for_scalar_code, report_vect_op,
13352         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
13353         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
13354         (vect_supportable_dr_alignment): Likewise.
13355         * tree-vectorizer.h (tree-data-ref.h): Include.
13356         (vect_loop_location): Declare.
13357         Reorganize function declarations according to the new file structure.
13358         * tree-vect-loop.c: New file.
13359         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
13360         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
13361         * tree-vect-data-refs.c: New file.
13362         * tree-vect-patterns.c (timevar.h): Don't include.
13363         * tree-vect-stmts.c: New file.
13364         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
13365         tree-vect-slp.c, tree-vect-loop.c.
13366         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
13367         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
13368         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
13369         (tree-vect-analyze.o): Remove.
13370         (tree-vect-transform.o): Likewise.
13371         (tree-vect-data-refs.o): Add rule.
13372         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
13373         tree-vect-slp.o): Likewise.
13374         (tree-vect-patterns.o): Remove redundant dependencies.
13375         (tree-vectorizer.o): Likewise.
13376         * tree-vect-slp.c: New file.
13377
13378 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13379
13380         * optc-gen.awk: Warn if an option flag has multiple different
13381         help strings.
13382
13383 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
13384
13385         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
13386         -floop-block): Document dependences on PPL, CLooG and Graphite.
13387
13388 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
13389
13390         PR rtl-optimization/323
13391         * c-common.c (c_fully_fold, convert_and_check,
13392         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
13393         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
13394         * c-common.def (EXCESS_PRECISION_EXPR): New.
13395         * c-cppbuiltin.c (builtin_define_float_constants): Define
13396         constants with enough digits for long double.
13397         * c-lex.c (interpret_float): Interpret constant with excess
13398         precision where appropriate.
13399         * c-opts.c (c_common_post_options): Set
13400         flag_excess_precision_cmdline.  Give an error for
13401         -fexcess-precision=standard for C++ for processors where the
13402         option is significant.
13403         * c-parser.c (c_parser_conditional_expression): Handle excess
13404         precision in condition.
13405         * c-typeck.c (convert_arguments): Handle arguments with excess
13406         precision.
13407         (build_unary_op): Move excess precision outside operation.
13408         (build_conditional_expr): Likewise.
13409         (build_compound_expr): Likewise.
13410         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
13411         (build_modify_expr): Handle excess precision in RHS.
13412         (convert_for_assignment): Handle excess precision in converted
13413         value.
13414         (digest_init, output_init_element, process_init_element): Handle
13415         excess precision in initializer.
13416         (c_finish_return): Handle excess precision in return value.
13417         (build_binary_op): Handle excess precision in operands and add
13418         excess precision as needed for operation.
13419         * common.opt (-fexcess-precision=): New option.
13420         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
13421         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
13422         For standard excess precision, output explicit conversion to and
13423         truncation from XFmode.
13424         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
13425         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
13426         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
13427         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
13428         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
13429         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
13430         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
13431         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
13432         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
13433         define_splits, sqrt<mode>2): Disable where appropriate for
13434         standard excess precision.
13435         * convert.c (convert_to_real): Do not shorten arithmetic to type
13436         for which excess precision would be used.
13437         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
13438         * doc/invoke.texi (-fexcess-precision=): Document option.
13439         (-mfpmath=): Correct index entry.
13440         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
13441         flag_excess_precision): New.
13442         * langhooks.c (lhd_post_options): Set
13443         flag_excess_precision_cmdline.
13444         * opts.c (common_handle_option): Handle -fexcess-precision=.
13445         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
13446         init_excess_precision): New.
13447         (lang_dependent_init_target): Call init_excess_precision.
13448         * tree.c (excess_precision_type): New.
13449         * tree.h (excess_precision_type): Declare.
13450
13451 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
13452
13453         PR c/35235
13454         * c-typeck.c (build_component_ref): Do not copy qualifiers from
13455         non-lvalue to component.
13456
13457 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
13458
13459         PR preprocessor/34695
13460         * Makefile.in (c-opts.o): Depend on c-tree.h.
13461         * c-common.c: Move down include of diagnostic.h.
13462         (done_lexing, c_cpp_error): New.
13463         * c-common.h (done_lexing): Declare.
13464         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
13465         (parse_in).
13466         * c-opts.c: Include c-tree.h.
13467         (c_common_init_options): Set preprocessor error callback.
13468         (c_common_handle_option): Do not set preprocessor
13469         inhibit_warnings, warnings_are_errors, warn_system_headers,
13470         pedantic_errors or inhibit_warnings flags.
13471         (c_common_post_options): Do not check cpp_errors (parse_in).
13472         (c_common_finish): Do not output dependencies if there were
13473         errors.  Do not check return value of cpp_finish.
13474         * c-ppoutput.c (pp_file_change): Set input_location.
13475         * c-tree.h (c_cpp_error): Declare.
13476         * diagnostic.c (diagnostic_set_info_translated): Also initialize
13477         override_column.
13478         (diagnostic_build_prefix): Check override_column.
13479         * diagnostic.h (diagnostic_info): Add override_column field.
13480         (diagnostic_override_column): Define.
13481
13482 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
13483
13484         * c-common.c (c_expand_expr, c_staticp): Remove.
13485         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
13486         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
13487         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
13488         * c-gimplify.c (gimplify_compound_literal_expr,
13489         optimize_compound_literals_in_ctor): Remove.
13490         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
13491         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
13492         * c-semantics.c (emit_local_var): Remove.
13493
13494         * langhooks-def.h (lhd_expand_expr): Remove.
13495         * langhooks.c (lhd_expand_expr): Remove.
13496         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
13497
13498         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
13499         handling from c-semantics.c; don't call into langhook.
13500         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
13501         * gimplify.c (gimplify_compound_literal_expr,
13502         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
13503         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
13504         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
13505         as was done in c-gimplify.c.
13506         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
13507         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
13508         Move from c-common.h.
13509         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
13510
13511         * tree.c (staticp): Do not call langhook.
13512         * langhooks.c (lhd_staticp): Delete.
13513         * langhooks-def.h (lhd_staticp): Delete prototype.
13514         (LANG_HOOKS_STATICP): Delete.
13515         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
13516
13517         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
13518         instead of DECL_STMTs.
13519
13520 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
13521
13522         PR c/456
13523         PR c/5675
13524         PR c/19976
13525         PR c/29116
13526         PR c/31871
13527         PR c/35198
13528         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
13529         void_type_node.
13530         (fold_call_expr): Return a NOP_EXPR from folding rather than the
13531         contained expression.
13532         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
13533         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
13534         conditional expressions for C.
13535         (decl_constant_value_for_optimization): Move from
13536         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
13537         whether optimizing and that the expression is a VAR_DECL not of
13538         array type instead of doing such checks in the caller.  Do not
13539         check pedantic.  Call gcc_unreachable for C++.
13540         * c-common.def (C_MAYBE_CONST_EXPR): New.
13541         * c-common.h (c_fully_fold, c_save_expr,
13542         decl_constant_value_for_optimization): New prototypes.
13543         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
13544         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
13545         EXPR_INT_CONST_OPERANDS): Define.
13546         * c-convert.c (convert): Strip nops from expression.
13547         * c-decl.c (groktypename): Take extra parameters expr and
13548         expr_const_operands.  Update call to grokdeclarator.
13549         (start_decl): Update call to grokdeclarator.  Add statement for
13550         expressions used in type of decl.
13551         (grokparm): Update call to grokdeclarator.
13552         (push_parm_decl): Update call to grokdeclarator.
13553         (build_compound_literal): Add parameter non_const and build a
13554         C_MAYBE_COSNT_EXPR if applicable.
13555         (grokdeclarator): Take extra parameters expr and
13556         expr_const_operands.  Track expressions used in declaration
13557         specifiers and declarators.  Fold array sizes and track whether
13558         they are constant expressions and whether they are integer
13559         constant expressions.
13560         (parser_xref_tag): Set expr and expr_const_operands fields in
13561         return value.
13562         (grokfield): Update call to grokdeclarator.
13563         (start_function): Update call to grokdeclarator.
13564         (build_null_declspecs): Set expr and expr_const_operands fields in
13565         return value.
13566         (declspecs_add_type): Handle expressions in typeof specifiers.
13567         * c-parser.c (c_parser_declspecs): Set expr and
13568         expr_const_operands fields for declaration specifiers.
13569         (c_parser_enum_specifier): Likewise.
13570         (c_parser_struct_or_union_specifier): Likewise.
13571         (c_parser_typeof_specifier): Likewise.  Update call to
13572         groktypename.  Fold expression as needed.  Return expressions with
13573         type instead of adding statements.
13574         (c_parser_attributes): Update calls to c_parser_expr_list.
13575         (c_parser_statement_after_labels): Fold expression before passing
13576         to objc_build_throw_stmt.
13577         (c_parser_condition): Fold expression.
13578         (c_parser_asm_operands): Fold expression.
13579         (c_parser_conditional_expression): Use c_save_expr.  Update call
13580         to build_conditional_expr.
13581         (c_parser_alignof_expression): Update call to groktypename.
13582         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
13583         original_code.  Fold expression argument of va_arg.  Create
13584         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
13585         argument to va_arg.  Update calls to groktypename.  Fold array
13586         index for offsetof.  Verify that first argument to
13587         __builtin_choose_expr has integer type.
13588         (c_parser_postfix_expression_after_paren_type): Update calls to
13589         groktypename and build_compound_literal.  Handle expressions with
13590         side effects in type name.
13591         (c_parser_postfix_expression_after_primary): Update call to
13592         c_parser_expr_list.  Set original_code for calls to
13593         __builtin_constant_p.
13594         (c_parser_expr_list): Take extra parameter fold_p.  Fold
13595         expressions if requested.
13596         (c_parser_objc_type_name): Update call to groktypename.
13597         (c_parser_objc_synchronized_statement): Fold expression.
13598         (c_parser_objc_receiver): Fold expression.
13599         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
13600         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
13601         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
13602         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
13603         (struct c_typespec): Add elements expr and expr_const_operands.
13604         (struct c_declspecs): Add elements expr and expr_const_operands.
13605         (groktypename, build_conditional_expr, build_compound_literal):
13606         Update prototypes.
13607         (in_late_binary_op): Declare.
13608         * c-typeck.c (note_integer_operands): New function.
13609         (in_late_binary_op): New variable.
13610         (decl_constant_value_for_broken_optimization): Move to c-common.c
13611         and rename to decl_constant_value_for_optimization.
13612         (default_function_array_conversion): Do not strip nops.
13613         (default_conversion): Do not call
13614         decl_constant_value_for_broken_optimization.
13615         (build_array_ref): Do not fold result.
13616         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
13617         result when operand is a VLA.
13618         (c_expr_sizeof_type): Update call to groktypename.  Handle
13619         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
13620         result when operand names a VLA type.
13621         (build_function_call): Update call to build_compound_literal.
13622         Only fold result for calls to __builtin_* functions.  Strip
13623         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
13624         the function designator.
13625         (convert_arguments): Fold arguments.  Update call to
13626         convert_for_assignment.
13627         (build_unary_op): Handle increment and decrement of
13628         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
13629         decrement earlier.  Fold operand of increment and decrement.
13630         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
13631         built for integer operand.  Wrap returns that are INTEGER_CSTs
13632         without being integer constant expressions or that have integer
13633         constant operands without being INTEGER_CSTs.
13634         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
13635         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
13636         result is an integer constant expression or can be used in
13637         unevaluated parts of one and avoid folding and wrap as
13638         appropriate.  Fold operands before possibly doing -Wsign-compare
13639         warnings.
13640         (build_compound_expr): Wrap result for C99 if operands can be used
13641         in integer constant expressions.
13642         (build_c_cast): Update call to digest_init.  Do not ignore
13643         overflow from casting floating-point constants to integers.  Wrap
13644         results that could be confused with integer constant expressions,
13645         null pointer constants or floating-point constants.
13646         (c_cast_expr): Update call to groktypename.  Handle expressions
13647         included in type name.
13648         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
13649         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
13650         Update calls to convert_for_assignment.
13651         (convert_for_assignment): Take new parameter
13652         null_pointer_constant.  Do not strip nops or call
13653         decl_constant_value_for_broken_optimization.  Set
13654         in_late_binary_op for conversions to boolean.
13655         (store_init_value): Update call to digest_init.
13656         (digest_init): Take new parameter null_pointer_constant.  Do not
13657         call decl_constant_value_for_broken_optimization.  pedwarn for
13658         initializers not constant expressions.  Update calls to
13659         convert_for_assignment.
13660         (constructor_nonconst): New.
13661         (struct constructor_stack): Add nonconst element.
13662         (really_start_incremental_init, push_init_level, pop_init_level):
13663         Handle constructor_nonconst and nonconst element.
13664         (set_init_index): Call constant_expression_warning for array
13665         designators.
13666         (output_init_element): Fold value.  Set constructor_nonconst as
13667         applicable.  pedwarn for initializers not constant expressions.
13668         Update call to digest_init.  Call constant_expression_warning
13669         where constant initializers are required.
13670         (process_init_element): Use c_save_expr.
13671         (c_finish_goto_ptr): Fold expression.
13672         (c_finish_return): Fold return value.  Update call to
13673         convert_for_assignment.
13674         (c_start_case): Fold switch expression.
13675         (c_process_expr_stmt): Fold expression.
13676         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
13677         ensure statement expression is not evaluated in constant expression.
13678         (build_binary_op): Track whether results are integer constant
13679         expressions or may occur in such, disable folding and wrap results
13680         as applicable.  Fold operands for -Wsign-compare warnings unless
13681         in_late_binary_op.
13682         (c_objc_common_truthvalue_conversion): Handle results folded to
13683         integer constants that are not integer constant expressions.
13684         * doc/extend.texi: Document when typeof operands are evaluated,
13685         that condition of __builtin_choose_expr is an integer constant
13686         expression, and more about use of __builtin_constant_p in
13687         initializers.
13688
13689 2009-03-29  Richard Guenther  <rguenther@suse.de>
13690
13691         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
13692         propagate addresses of array references.
13693
13694 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
13695
13696         * regmove.c (perhaps_ends_bb_p): Remove.
13697         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
13698         from INSN and check that the main loop stays within that basic block.
13699         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
13700         (regmove_forward_pass): Split out from regmove_optimize.  Use
13701         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
13702         (regmove_backward_pass): Split out from regmove_optimize.  Use
13703         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
13704         (regmove_optimize): Simplify.
13705
13706 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
13707
13708         PR target/39545
13709         * config/i386/i386.c (classify_argument): Ignore flexible array
13710         member in struct and warn ABI change.
13711
13712 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
13713
13714         * config/i386/i386-protos.h (ix86_agi_dependent): New.
13715
13716         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
13717         (ix86_adjust_cost): Updated.
13718
13719 2009-03-29  Jan Hubicka  <jh@suse.cz>
13720
13721         PR middle-end/28850
13722         * tree-pass.h (pass_cleanup_eh): New function.
13723         (remove_unreachable_regions): Break code handling RTL
13724         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
13725         that can not be reached by runtime.
13726         (can_be_reached_by_runtime): New function.
13727         (label_to_region_map): New function.
13728         (num_eh_regions): New function.
13729         (rtl_remove_unreachable_regions): New function.
13730         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
13731         (remove_eh_region): New function.
13732         * except.h: Include sbitmap and vecprim.
13733         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
13734         num_eh_regions): Declare.
13735         * passes.c (init_optimization_passes): Schedule cleanup_eh.
13736         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
13737         * tree-eh.c (tree_remove_unreachable_handlers): New function.
13738         (tree_empty_eh_handler_p): New function.
13739         (cleanup_empty_eh): New function.
13740         (cleanup_eh): New function.
13741         (pass_cleanup_eh): New function.
13742
13743 2009-03-29  Jan Hubicka  <jh@suse.cz>
13744
13745         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
13746         for removed regions.
13747
13748 2009-03-29  Jan Hubicka  <jh@suse.cz>
13749
13750         * except.c (dump_eh_tree): Dump all datastructures.
13751
13752 2009-03-29  Jan Hubicka  <jh@suse.cz>
13753
13754         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
13755         (duplicate_eh_regions_1): Likewise.
13756         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
13757         vector; call EH verification.
13758         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
13759         Be ready for region being removed.
13760
13761 2009-03-29  Jan Hubicka  <jh@suse.cz>
13762
13763         * bitmap.c (bitmap_last_set_bit): New function.
13764         * bitmap.h (bitmap_last_set_bit): Declare.
13765
13766 2009-03-29  David Ayers  <ayers@fsfe.org>
13767
13768         PR objc/27377
13769         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
13770         by calling objc_compare_types and surpress warnings about
13771         incompatible C pointers that are compatible ObjC pointers.
13772
13773 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
13774
13775         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
13776         call initialize_inline_failed.
13777         (initialize_inline_failed): Move it from here ...
13778         * cgraph.c (initialize_inline_failed): ... to here.
13779         (cgraph_create_edge): Call initialize_inline_failed rather than
13780         setting inline_failed directly.
13781
13782 2009-03-29  Ben Elliston  <bje@au.ibm.com>
13783
13784         PR target/32542
13785         * sysv4.opt (msdata): Improve comment.
13786         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
13787         * sysv4.h (SVR4_ASM_SPEC): Likewise.
13788
13789 2009-03-29  Ben Elliston  <bje@au.ibm.com>
13790
13791         PR target/30451
13792         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
13793         load and store attributes.
13794
13795 2009-03-29  Ben Elliston  <bje@au.ibm.com>
13796
13797         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
13798         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
13799         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
13800         * doc/extend.texi (X86 Built-in Functions): Add index entries for
13801         __builtin_infq and __builtin_huge_valq.
13802
13803 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
13804
13805         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
13806         atmega8m1 devices.
13807         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
13808         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
13809
13810 2009-03-28  Xinliang David Li  <davidxl@google.com>
13811
13812         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
13813         (do_dbg_cnt): New function.
13814
13815 2009-03-28  Jan Hubicka  <jh@suse.cz>
13816
13817         Merge from pretty-ipa:
13818
13819         2009-03-27  Jan Hubicka  <jh@suse.cz>
13820
13821         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
13822         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
13823         * passes.c (function_called_by_processed_nodes_p): New.
13824         * ipa-pure-const.c (check_call): Fix handling of operands.
13825         (analyze_function): Dump debug output for skipped bodies.
13826         (local_pure_const): Use function_called_by_processed_nodes_p.
13827         * dwarf2out.c (reference_to_unused): Use output.
13828         * passes.c (do_per_function_toporder): Likewise.
13829
13830         2008-11-12  Jan Hubicka  <jh@suse.cz>
13831
13832         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
13833         * ipa-pure-const.c (funct_state_d): Add can throw field; make
13834         state_set_in_source enum
13835         (check_decl): Ignore memory tags; do not set fake looping flags;
13836         dump diagnostics.
13837         (check_operand, check_tree, check_rhs_var, check_lhs_var,
13838         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
13839         (check_call, analyze_function): Rewrite.
13840         (check_stmt): New.
13841         (add_new_function): Update call of analyze_function.
13842         (generate_summary): Add call of analyze_function.
13843         (propagate): Propagate can_throw; handle state_set_in_source correctly.
13844         (local_pure_const): New function.
13845         (pass_local_pure_const): New pass.
13846         * ipa-inline.c (inline_transform): Set after_inlining.
13847         * tree-eh.c (stmt_can_throw_external): New.
13848         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
13849         work with aliasing built.
13850         * tree-flow.h (stmt_can_throw_external): New.
13851         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
13852         and local pure/const pass in early and late optimization queue.
13853
13854 2009-03-28  Martin Jambor  <mjambor@suse.cz>
13855
13856         * fold-const.c (get_pointer_modulus_and_residue): New parameter
13857         allow_func_align.
13858         (fold_binary): Allow function decl aligment consideration is the
13859         second argument is integer constant one.
13860         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
13861         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
13862         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
13863
13864 2009-03-28  Jan Hubicka  <jh@suse.cz>
13865
13866         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
13867         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
13868         * function.h (rtl_data): Add nothrow flag.
13869         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
13870         set DECL_NOTHROW for AVAILABLE functions.
13871
13872 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
13873
13874         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
13875         following vector keyword has expansion starting with pixel or bool
13876         keyword, expand vector to __vector and pixel or bool to __pixel or
13877         __bool.
13878
13879         PR c++/39554
13880         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
13881         warn_if_disallowed_function_p): Removed.
13882         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
13883         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
13884         warning_if_disallowed_function_p.
13885         * flags.h (warn_if_disallowed_function_p,
13886         warn_disallowed_functions): Removed.
13887         * common.opt (Wdisallowed-function-list=): Removed.
13888         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
13889
13890 2009-03-28  Richard Guenther  <rguenther@suse.de>
13891
13892         PR tree-optimization/38723
13893         * tree-ssa-pre.c (compute_avail): Add all default definitions to
13894         the entry block.
13895
13896 2009-03-28  Jan Hubicka  <jh@suse.cz>
13897
13898         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
13899         test introduced by my previous patch.
13900
13901 2009-03-28  Richard Guenther  <rguenther@suse.de>
13902
13903         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
13904         the PHIs value undefined.
13905
13906 2009-03-28  Jan Hubicka  <jh@suse.cz>
13907
13908         * tree-pass.h (pass_fixup_cfg): New pass.
13909         * ipa-inline.c (inline_transform): Set
13910         always_inline_functions_inlined/after_inlining.
13911         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
13912         (pass_fixup_cfg): New pass.
13913         * passes.c (init_optimization_passes): Add fixup_cfg.
13914
13915 2009-03-28  Richard Guenther  <rguenther@suse.de>
13916
13917         PR tree-optimization/38458
13918         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
13919         argument use the arguments copy-of value.
13920
13921 2009-03-28  Richard Guenther  <rguenther@suse.de>
13922
13923         PR tree-optimization/38180
13924         * tree-ssa-ccp.c (get_default_value): Simplify.
13925         (likely_value): Likewise.
13926         (surely_varying_stmt_p): Properly handle VOP case.
13927         (ccp_initialize): Likewise.
13928         (ccp_fold): Handle propagating through *&.
13929         (fold_const_aggregate_ref): Also handle decls.
13930
13931 2009-03-28  Jan Hubicka  <jh@suse.cz>
13932
13933         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
13934         * cgraph.h (cgraph_node): Likewise.
13935         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
13936         (cgraph_reset_node): Use process flag.
13937         (cgraph_mark_functions_to_output): Likewise.
13938         (cgraph_expand_function): Likewise.
13939         (cgraph_expand_all_functions): Likewise.
13940         (cgraph_output_in_order): Likewise.
13941         * dwarf2out.c (reference_to_unused): Likewise.
13942         * passes.c do_per_function_toporder): Likewise.
13943
13944 2009-03-28  Jan Hubicka  <jh@suse.cz>
13945
13946         Bring from lto-branch:
13947
13948         2008-09-03  Doug Kwan  <dougkwan@google.com>
13949
13950         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
13951         enums instead of reason strings.
13952         * cgraph.c (cgraph_create_edge): Same.
13953         (cgraph_inline_failed_string): New function.
13954         * cgraph.h (cgraph_inline_failed_t): New enum type.
13955         (cgraph_inline_failed_string): New prototype.
13956         (struct cgraph_edge): Change type of INLINED_FAILED from constant
13957         char pointer to cgraph_inline_failed_t.
13958         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
13959         (cgraph_default_inline_p): Ditto.
13960         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
13961         to cgraph_inline_failed_t pointer.
13962         * cif-code.def: New file.
13963         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
13964         reason string.
13965         (cgraph_check_inline_limits): Change type of REASON to pointer to
13966         cgraph_inline_failed_t.  Replace reason strings with enums.
13967         (cgraph_default_inline_p): Ditto.
13968         (cgraph_recursive_inlining_p): Ditto.
13969         (update_caller_keys): Change type of FAILED_REASON to
13970         cgraph_inline_failed_t.
13971         (cgraph_set_inline_failed): Change type of REASON to pointer to
13972         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
13973         convert enums to strings for text output.
13974         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
13975         to be of type cgraph_inline_failed_t.  Replace reason strings with
13976         enums.  Call cgraph_inline_failed_string to covert enums
13977         to strings for text output.
13978         (cgraph_decide_inlining): Replace reason strings with enums.
13979         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
13980         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
13981         for text output.
13982         * tree-inline.c (expand_call_inline): Change type of REASON
13983         to cgraph_inline_failed_t.  Replace reason strings with enums.
13984         Call cgraph_inline_failed_string for text output.
13985         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
13986         (cgraph.o): Ditto.
13987
13988 2009-03-28  Jan Hubicka  <jh@suse.cz>
13989
13990         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
13991         cgraph_clone_node): Remove master clone handling.
13992         (cgraph_is_master_clone, cgraph_master_clone): Remove.
13993         * cgraph.h (master_clone): Remove.
13994         (cgraph_is_master_clone, cgraph_master_clone): Remove.
13995         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
13996         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
13997
13998 2009-03-28  Jan Hubicka  <jh@suse.cz>
13999
14000         * cgraph.c (cgraph_function_body_availability): Functions declared
14001         inline are always safe to assume that it is not going to be replaced.
14002
14003 2009-03-28  Richard Guenther  <rguenther@suse.de>
14004
14005         PR tree-optimization/38513
14006         * tree-ssa-pre.c (eliminate): Remove redundant stores.
14007         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
14008         EXC_PTR_EXPR and FILTER_EXPR.
14009         (get_ref_from_reference_ops): Likewise.
14010
14011 2009-03-28  Richard Guenther  <rguenther@suse.de>
14012
14013         PR tree-optimization/38968
14014         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
14015         Use FLOOR_MOD_EXPR to compute misalignment.
14016
14017 2009-03-28  Richard Guenther  <rguenther@suse.de>
14018
14019         PR tree-optimization/37795
14020         * tree.h (combine_comparisons): Declare.
14021         * fold-const.c (combine_comparisons): Export.
14022         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
14023         comparisons.
14024         (ifcombine_iforif): Use combine_comparisons.
14025
14026 2009-03-28  Jan Hubicka  <jh@suse.cz>
14027
14028         * tree-eh.c (inlinable_call_p): New function.
14029         (make_eh_edges): Use it.
14030         (verify_eh_edges): Use it.
14031         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
14032         * except.c (reachable_next_level): Add inlinable_function argument
14033         (sjlj_find_directly_reachable_regions): Update.
14034         (add_reachable_handler): Do not set saw_any_handlers.
14035         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
14036         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
14037         Add new inlinable call parameter.
14038         (can_throw_internal, can_throw_external): Update.
14039         * except.h (can_throw_internal_1, can_throw_external_1,
14040         foreach_reachable_handler): Update declaration.
14041
14042 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
14043
14044         * config/arm/t-arm-coff, config/h8300/coff.h,
14045         config/i386/i386-aout.h, config/i386/i386-coff.h,
14046         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
14047         config/pdp11/2bsd.h, config/rs6000/aix41.h,
14048         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
14049         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
14050         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
14051         sys-types.h: Remove.
14052         * Makefile.in: Remove protoize and fixproto support and references
14053         in comments.
14054         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
14055         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
14056         Remove.
14057         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
14058         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
14059         unprotoize$(exeext).
14060         (rest.encap): Don't depend on $(STMP_FIXPROTO)
14061         (.PHONY): Don't depend on proto.
14062         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
14063         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
14064         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
14065         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
14066         build/gen-protos.o, build/scan.o, xsys-protos.h,
14067         build/fix-header$(build_exeext), build/fix-header.o,
14068         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
14069         stmp-install-fixproto): Remove.
14070         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
14071         SYSCALLS.c or fixproto files.
14072         (install-common): Don't install protoize.
14073         (install-headers-tar, install-headers-cpio, install-headers-cp):
14074         Don't depend on $(STMP_FIXPROTO).
14075         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
14076         install fixproto files or write out fixproto settings.
14077         (uninstall): Don't uninstall protoize.
14078         * config.gcc (use_fixproto): Remove.
14079         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
14080         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
14081         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
14082         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
14083         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
14084         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
14085         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
14086         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
14087         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
14088         * config/t-vxworks (STMP_FIXPROTO): Remove.
14089         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
14090         STMP_FIXPROTO): Remove.
14091         * config.in, configure: Regenerate.
14092         * crtstuff.c (gid_t, uid_t): Don't undefine.
14093         * doc/install.texi: Change m68k-coff to m68k-elf in example.
14094         (arm-*-coff, arm-*-aout: Remove target entries.
14095         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
14096         Remove mention of AIX 4.1.
14097         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
14098         * doc/invoke.texi (Running Protoize): Remove.
14099         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
14100         (Protoize Caveats): Remove.
14101         * tsystem.h: Update comments on headers assumed to exist.
14102
14103 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
14104
14105         * genautomata.c: Add a new year to the copyright.  Add a new
14106         reference.
14107         (struct insn_reserv_decl): Add comments for member bypass_list.
14108         (find_bypass): Remove.
14109         (insert_bypass): New.
14110         (process_decls): Use insert_bypass.
14111         (output_internal_insn_latency_func): Output all bypasses with the
14112         same input insn in one switch case.
14113
14114         * rtl.def (define_bypass): Describe bypass choice.
14115         * doc/md.texi (define_bypass): Ditto.
14116
14117 2009-03-27  Richard Guenther  <rguenther@suse.de>
14118
14119         * gimplify.c (mark_addressable): Export.
14120         * tree-flow.h (mark_addressable): Declare.
14121         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
14122         * tree-ssa.c (verify_phi_args): Verify that address taken
14123         variables have TREE_ADDRESSABLE set.
14124
14125 2009-03-27  Richard Guenther  <rguenther@suse.de>
14126
14127         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
14128         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
14129         Do not mark decls TREE_ADDRESSABLE.
14130         (build_fold_addr_expr): Adjust.
14131         (fold_addr_expr): Remove.
14132         (fold_unary): Use build_fold_addr_expr.
14133         (fold_comparison): Likewise.
14134         (split_address_to_core_and_offset): Likewise.
14135         * coverage.c (tree_coverage_counter_addr): Mark the array decl
14136         TREE_ADDRESSABLE.
14137         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
14138         (gimplify_modify_expr_to_memcpy): Mark source and destination
14139         addressable.
14140         * omp-low.c (create_omp_child_function): Mark the object decl
14141         TREE_ADDRESSABLE.
14142         (lower_rec_input_clauses): Mark the var we take the address of
14143         TREE_ADDRESSABLE.
14144         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
14145
14146 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
14147
14148         PR middle-end/39315
14149         * cfgexpand.c (expand_one_stack_var_at): Change alignment
14150         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
14151
14152 2009-03-27  Richard Guenther  <rguenther@suse.de>
14153
14154         PR tree-optimization/39120
14155         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
14156         constraints.
14157         (handle_lhs_call): Process return constraints.  Add escape
14158         constraints if necessary.
14159         (handle_const_call): Fill out return constraints.  Make nested
14160         case more precise.  Avoid consttmp if possible.
14161         (handle_pure_call): Fill out return constraints.  Avoid
14162         callused if possible.
14163         (find_func_aliases): Simplify call handling.
14164
14165 2009-03-27  Richard Guenther  <rguenther@suse.de>
14166
14167         PR tree-optimization/39120
14168         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
14169         as a representative.
14170         (solve_graph): Do propagate CALLUSED.
14171         (handle_pure_call): Use a scalar constraint from CALLUSED for
14172         the return value.
14173         (find_what_p_points_to): CALLUSED shall not appear in poins-to
14174         solutions.
14175
14176 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
14177
14178         PR c/39323
14179         * c-common.c (handle_aligned_attribute): Properly check alignment
14180         overflow.  Use (1U << i) instead of (1 << i).
14181
14182         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
14183
14184         * expr.h (get_mem_align_offset): Updated.
14185
14186         * tree.h (tree_decl_common): Change align to "unsigned int" and
14187         move it before pointer_alias_set.
14188
14189 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
14190             Jakub Jelinek  <jakub@redhat.com>
14191
14192         PR target/38034
14193         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
14194         gr_register_operand with gr_reg_or_0_operand.
14195         (cmpxchg_rel_di): Likewise.
14196         (sync_lock_test_and_set<mode>): Likewise.
14197
14198 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
14199
14200         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
14201         (true_regnum): Likewise.
14202
14203         * rtlanal.c (subreg_info): Moved to ...
14204         * rtl.h (subreg_info): Here.  New.
14205         (subreg_get_info): New.
14206
14207         * rtlanal.c (subreg_get_info): Make it extern.
14208
14209 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
14210
14211         PR target/39472
14212         * config/i386/i386.c (ix86_abi): New.
14213         (override_options): Handle -mabi=.
14214         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
14215         (ix86_call_abi_override): Likewise.
14216         (init_cumulative_args): Likewise.
14217         (function_arg_advance): Likewise.
14218         (function_arg_64): Likewise.
14219         (function_arg): Likewise.
14220         (ix86_pass_by_reference): Likewise.
14221         (ix86_function_value_regno_p): Likewise.
14222         (ix86_build_builtin_va_list_abi): Likewise.
14223         (setup_incoming_varargs_64): Likewise.
14224         (is_va_list_char_pointer): Likewise.
14225         (ix86_init_machine_status): Likewise.
14226         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
14227         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
14228         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
14229         (ix86_function_abi): Make it static and return enum calling_abi.
14230         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
14231         with ix86_abi.
14232         (ix86_fn_abi_va_list): Updated.
14233
14234         * config/i386/i386.h (ix86_abi): New.
14235         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
14236         (CONDITIONAL_REGISTER_USAGE): Likewise.
14237         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
14238         (machine_function): Likewise.
14239
14240         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
14241         with ix86_abi.
14242         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
14243         (STACK_BOUNDARY): Likewise.
14244         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
14245
14246         * config/i386/i386.opt (mabi=): New.
14247
14248         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
14249         return enum calling_abi.
14250         (ix86_function_type_abi): Likewise.
14251         (ix86_function_abi): Removed.
14252
14253         * doc/invoke.texi: Document -mabi= option for x86.
14254
14255 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14256
14257         * builtins.c (real_dconstp): Delete.
14258         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
14259
14260 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
14261             Jakub Jelinek  <jakub@redhat.com>
14262
14263         PR debug/37959
14264         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
14265         (gen_subprogram_die): When a function is explicit, generate the
14266         DW_AT_explicit attribute.
14267         * langhooks.h (struct lang_hooks_for_decls): Add
14268         function_decl_explicit_p langhook.
14269         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
14270         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
14271
14272 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
14273
14274         * builtins.c (fold_builtin_memory_op): Optimize memmove
14275         into memcpy if we can prove source and destination don't overlap.
14276
14277         * tree-inline.c: Include gt-tree-inline.h.
14278         (clone_fn_id_num): New variable.
14279         (clone_function_name): New function.
14280         (tree_function_versioning): Use it.
14281         * Makefile.in (GTFILES): Add tree-inline.c.
14282
14283 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
14284
14285         * BASE-VER: Change to 4.5.0.
14286
14287 2009-03-27  Xinliang David Li  <davidxl@google.com>
14288
14289         PR tree-optimization/39557
14290         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
14291
14292 2009-03-27  Xinliang David Li  <davidxl@google.com>
14293
14294         PR tree-optimization/39548
14295         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
14296         candidate check.
14297
14298 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
14299
14300         * c-common.c (pointer_int_sum): Use %wd on return from
14301         tree_low_cst.
14302
14303 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
14304
14305         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
14306         on return from tree_low_cst.
14307
14308 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14309
14310         PR c++/36799
14311         * ginclude/stdarg.h (va_copy): Define also for
14312         __GXX_EXPERIMENTAL_CXX0X__.
14313
14314 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
14315
14316         PR c++/35652
14317         * builtins.h (c_strlen): Do not warn here.
14318         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
14319         * c-common.c (pointer_int_sum): Take an explicit location.
14320         Warn about offsets out of bounds.
14321         * c-common.h (pointer_int_sum): Adjust declaration.
14322
14323 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14324
14325         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
14326         markup glitch.
14327
14328 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
14329
14330         PR c++/39554
14331         * opts.c (warn_if_disallowed_function_p): Don't assume
14332         get_callee_fndecl must return non-NULL.
14333
14334 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
14335
14336         PR rtl-optimization/39522
14337         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
14338         when reg_reloaded_valid is set.
14339
14340 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
14341
14342         * config/spu/divv2df3.c: New file.
14343         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
14344         (DPBIT_FUNCS): Filter out _div_df.
14345
14346 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
14347
14348         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
14349         a jump insn, count that jump in the distance to the loop start.
14350
14351 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
14352
14353         PR target/39523
14354         * config/sh/sh.c (calc_live_regs): Fix condition for global
14355         registers except PIC_OFFSET_TABLE_REGNUM.
14356
14357 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
14358
14359         PR/39518
14360         * doc/invoke.texi (-mconsole): New.
14361         (-mcygwin): New.
14362         (-mno-cygwin): New.
14363         (-mdll): New.
14364         (-mnop-fun-dllimport): New.
14365         (-mthread): New.
14366         (-mwin32): New.
14367         (-mwindows): New.
14368         (sub section "i386 and x86-64 Windows Options"): New.
14369
14370 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
14371
14372         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
14373         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
14374
14375 2009-03-25  Richard Guenther  <rguenther@suse.de>
14376
14377         PR middle-end/39497
14378         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
14379         of -Wno-error.
14380
14381 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
14382
14383         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
14384         neither of haifa/selective schedulers are working.
14385
14386 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14387
14388         * doc/invoke.texi (Debugging Options): Fix description of
14389         -fno-merge-debug-strings.
14390
14391 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
14392
14393         * config/cris/libgcc.ver: New version-script.
14394         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
14395
14396         * configure.ac <GAS features, nop mnemonic>: Add pattern
14397         crisv32-*-* for "nop".
14398         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
14399         * configure: Regenerate.
14400
14401 2009-03-24  Ira Rosen  <irar@il.ibm.com>
14402
14403         PR tree-optimization/39529
14404         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
14405         mark_sym_for_renaming for the tag copied to the new vector
14406         pointer.
14407
14408 2009-03-24  Arthur Loiret  <aloiret@debian.org>
14409
14410         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
14411         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
14412         EXTRA_SPEC_FUNCTIONS.
14413         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
14414         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
14415         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
14416         -march and -mtune options.
14417
14418 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
14419
14420         * config/m68k/t-rtems: Add m5329 multilib.
14421
14422 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
14423             Jakub Jelinek  <jakub@redhat.com>
14424
14425         PR debug/39524
14426         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
14427         nodes.
14428
14429 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
14430
14431         PR c/39495
14432         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
14433         instead of c_parser_expression_conv, if original_code isn't one of the
14434         4 allowed comparison codes, fail.
14435
14436 2009-03-23  Richard Guenther  <rguenther@suse.de>
14437
14438         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
14439         * tree.h (struct tree_type): Likewise.
14440         * reload.h (struct insn_chain): Likewise.
14441         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
14442         * function.h (struct function): Likewise.
14443         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
14444
14445 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
14446
14447         PR tree-optimization/39516
14448         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
14449
14450 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
14451
14452         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
14453         should be set true if BITS_PER_WORD of target is bigger than 32
14454
14455 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
14456
14457         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
14458         Translate -B-options to -rpath-link.  Correct existing
14459         rpath-link and conditionalize on !nostdlib.
14460
14461 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14462
14463         * doc/extend.texi (Function Attributes, Variable Attributes):
14464         Fix typos.
14465         * doc/invoke.texi (Debugging Options, Optimize Options)
14466         (i386 and x86-64 Options, MCore Options): Likewise.
14467
14468 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
14469
14470         PR debug/37890
14471         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
14472         it for block local namespace aliases.
14473         (gen_decl_die): Pass context_die to gen_namespace_die.
14474
14475 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
14476
14477         PR c/39495
14478         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
14479         minimum or maximum value.
14480
14481 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
14482
14483         * reginfo.c (globalize_reg): Recompute derived reg sets.
14484
14485 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
14486
14487         PR target/39063
14488         * libgcc2.c (mprotect): Do not use signed arguments for
14489         VirtualProtect, use DWORD arguments.  Also fix the 'may
14490         be used uninitialized' warning for the np variable.
14491
14492 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
14493
14494         PR target/39496
14495         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
14496         functions using regparm calling conventions when not optimizing.
14497         (ix86_function_sseregparm): Similarly for sseregparm calling
14498         conventions.
14499
14500 2009-03-19  Li Feng  <nemokingdom@gmail.com>
14501
14502         PR middle-end/39500
14503         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
14504         dependence if the first conflict is after niter iterations.
14505
14506 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
14507
14508         PR middle-end/38609
14509         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
14510         functions with dynamic stack-pointer adjustments.
14511
14512 2009-03-19  Ben Elliston  <bje@au.ibm.com>
14513
14514         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
14515         option; change to -msdata=data.
14516
14517 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14518
14519         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
14520         and -fopenmp.
14521
14522 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
14523
14524         PR target/35180
14525         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
14526
14527 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
14528
14529         * doc/invoke.texi (Code Gen Options): Expand discussion of
14530         -fno-common.
14531
14532 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
14533
14534         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
14535         * matrix-reorg.c (struct matrix_info): Likewise.
14536         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
14537         * rtl.h (struct mem_attrs): Likewise.
14538         * df.h (struct df): Likewise.
14539         * tree-data-ref.h (struct data_dependence_relation): Likewise.
14540         * ira-int.h (struct ira_allocno): Likewise.
14541         * df-scan.c (struct df_collection_rec): Likewise.
14542         * ira.c (struct equivalence): Likewise.
14543         * function.c (struct temp_slot): Likewise.
14544         * cfgloop.h (struct loop): Likewise.
14545
14546         PR debug/39485
14547         * function.c (use_register_for_decl): When not optimizing, disregard
14548         register keyword for variables with types containing methods.
14549
14550 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
14551
14552         PR middle-end/39447
14553         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
14554         (is_simple_operand): Call contains_component_ref_p before calling data
14555         reference analysis that would fail on COMPONENT_REFs.
14556
14557         * tree-vrp.c (search_for_addr_array): Fix formatting.
14558
14559 2009-03-18  Richard Guenther  <rguenther@suse.de>
14560
14561         * tree-vect-transform.c (vect_loop_versioning): Fold the
14562         generated comparisons.
14563         * tree-vectorizer.c (set_prologue_iterations): Likewise.
14564         (slpeel_tree_peel_loop_to_edge): Likewise.
14565
14566 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14567
14568         PR middle-end/37805
14569         * opts.c (print_specific_help): In addition to `undocumented',
14570         accept `separate' and `joined' flags if passed alone.  Describe
14571         output by the first matched one of those.
14572         (common_handle_option): Skip over empty strings.
14573         * gcc.c (display_help): Fix help string for `--help='.
14574         * doc/invoke.texi (Option Summary, Overall Options): With
14575         `--help=', classes and qualifiers can both be repeated, but
14576         only the latter can be negated.  One should not pass only
14577         negated qualifiers.  Fix markup and examples.
14578
14579         Revert
14580         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
14581         PR middle-end/37805
14582         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
14583         and -fhelp=separate.
14584
14585 2009-03-17  Jing Yu  <jingyu@google.com>
14586
14587         PR middle-end/39378
14588         * function.h (struct rtl_data): Move is_thunk from here...
14589         (struct function): ...to here.
14590         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
14591         * varasm.c (assemble_start_function): Change is_thunk from crtl to
14592         cfun.
14593         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
14594         cfun.
14595         (alpha_does_function_need_gp, alpha_start_function): Likewise.
14596         (alpha_output_function_end_prologue): Likewise.
14597         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
14598         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
14599         (rs6000_output_function_epilogue): Likewise.
14600         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
14601
14602 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
14603
14604         PR target/39482
14605         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
14606         from different units in a single alternative.
14607         (*truncdfsf_i387): Ditto.
14608         (*truncxfsf2_mixed): Ditto.
14609         (*truncxfdf2_mixed): Ditto.
14610
14611 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
14612
14613         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
14614         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
14615
14616         PR debug/39474
14617         * tree-ssa-live.c (remove_unused_locals): Don't remove local
14618         unused non-artificial variables when not optimizing.
14619
14620         PR debug/39471
14621         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
14622         DW_TAG_imported_module even if decl is IMPORTED_DECL with
14623         NAMESPACE_DECL in its DECL_INITIAL.
14624
14625         PR middle-end/39443
14626         * optabs.c (set_user_assembler_libfunc): New function.
14627         * expr.h (set_user_assembler_libfunc): New prototype.
14628         * c-common.c: Include libfuncs.h.
14629         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
14630         for memcmp, memset, memcpy, memmove and abort.
14631         * Makefile.in (c-common.o): Depend on libfuncs.h.
14632
14633         PR debug/39412
14634         * dwarf2out.c (gen_inlined_enumeration_type_die,
14635         gen_inlined_structure_type_die, gen_inlined_union_type_die,
14636         gen_tagged_type_instantiation_die): Removed.
14637         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
14638         do nothing.
14639
14640 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
14641
14642         PR testsuite/38526
14643         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
14644         its use.
14645         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
14646         (check-parallel-%): Ditto.
14647         (check-consistency): Ditto.
14648
14649 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
14650
14651         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
14652         local variable rhs by NULL_TREE.
14653
14654 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
14655
14656         PR target/39477
14657         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
14658
14659 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
14660
14661         PR target/39476
14662         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
14663
14664 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
14665
14666         PR target/39473
14667         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
14668         for ms->sysv ABI calls only in 64bit mode.
14669
14670         * config/i386/i386.md (untyped_call): Support 32bit.
14671
14672 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
14673
14674         * doc/extend.texi: Replace x86_65 with x86_64.
14675
14676 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
14677
14678         PR tree-optimization/39455
14679         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
14680         mismatches for POINTER_TYPE_P (type).
14681         (number_of_iterations_le): Likewise.
14682
14683 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
14684
14685         * config/picochip/picochip.c: Removed profiling support.
14686         * config/picochip/picochip.md: Removed profiling instruction.
14687         * config/picochip/picochip.h: Removed profiling builtin.
14688
14689 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
14690
14691         * doc/install.texi (--with-host-libstdcxx): Document.
14692
14693 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
14694
14695         PR target/34299
14696         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
14697         generate a warning if the function name does not begin with
14698         "__vector" and the function has either the 'signal' or 'interrupt'
14699         attribute, from here to ...
14700         (avr_declare_function_name): ...here. New function.
14701         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
14702         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
14703
14704 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
14705
14706         PR bootstrap/39454
14707         * cse.c (fold_rtx): Don't modify original const_arg1 when
14708         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
14709         separate variable instead.
14710         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
14711         from out of range shift counts.
14712         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
14713
14714 2009-03-13  Catherine Moore  <clm@codesourcery.com>
14715
14716         * config/i386/x-mingw32 (host-mingw32.o): Replace
14717         diagnostic.h with $(DIAGNOSTIC_H).
14718
14719 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
14720
14721         PR target/39431
14722         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
14723         predicate.
14724         * config/i386/sync.md (sync_compare_and_swap<mode>,
14725         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
14726         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
14727         into a register.
14728         (sync_double_compare_and_swapdi_pic,
14729         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
14730         cmpxchg8b_pic_memory_operand instead of just memory_operand.
14731
14732 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
14733
14734         PR target/39445
14735         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
14736
14737 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
14738
14739         PR target/39327
14740         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
14741         (avx_addsubv4df3): Likewise.
14742         (*avx_addsubv4sf3): Likewise.
14743         (sse3_addsubv4sf3): Likewise.
14744
14745 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
14746
14747         PR target/38824
14748         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
14749
14750 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
14751
14752         PR debug/39432
14753         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
14754         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
14755         registers for allocnos created from user-defined variables.
14756
14757 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
14758
14759         PR target/39181
14760         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
14761         of non-integer mode as well.
14762
14763 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
14764
14765         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
14766         for functions for which the parameter types are unknown.
14767
14768 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
14769
14770         PR target/39137
14771         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
14772         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
14773         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
14774         * config/i386/i386.c (ix86_local_alignment): For
14775         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
14776         long long variables on the stack to avoid dynamic realignment.
14777         Allow the first argument to be a decl rather than type.
14778         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
14779
14780 2009-03-11  Nick Clifton  <nickc@redhat.com>
14781
14782         PR target/5362
14783         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
14784         options.
14785         Add description to mno-lsim option.
14786         * config/mcore/mcore.h: Remove comment about deprecated m4align
14787         option.
14788         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
14789         * doc/invoke.texi: Add description of mno-lsim and
14790         mstack-increment options.
14791
14792         * config/fr30/fr30.opt: Document the -mno-lsim option.
14793         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
14794         and -mno-lsim options.
14795
14796 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
14797
14798         * fold-const.c (fold_comparison): Only call fold_inf_compare
14799         if the mode supports infinities.
14800
14801 2009-03-11  Jason Merrill  <jason@redhat.com>
14802
14803         PR debug/39086
14804         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
14805         end already did.  Notice GIMPLE_CALL modifications of the result.
14806         Don't copy debug information from an ignored decl or a decl from
14807         another function.
14808
14809 2009-03-10  Richard Guenther  <rguenther@suse.de>
14810             Nathan Froyd  <froydnj@codesourcery.com>
14811
14812         PR middle-end/37850
14813         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
14814         (__divMODE3): Likewise.
14815
14816 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
14817
14818         PR tree-optimization/39394
14819         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
14820         DECL_SIZE_UNIT of variable length FIELD_DECLs.
14821
14822 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
14823
14824         * recog.c (verfiy_changes): Disallow renaming of hard regs in
14825         inline asms for register asm ("") declarations.
14826
14827 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
14828
14829         * fold-const.c (fold_unary): Fix comment.
14830
14831 2009-03-07  Jan Hubicka  <jh@suse.cz>
14832
14833         PR target/39361
14834         * tree-inline.c (setup_one_parameter): Do replacement of const
14835         argument by constant in SSA form.
14836
14837 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
14838
14839         PR middle-end/38028
14840         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
14841         determine alignment passed to assign_stack_local.
14842         (assign_parms_unsplit_complex): Likewise.
14843         * except.c (sjlj_build_landing_pads): Likewise.
14844
14845 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
14846
14847         PR middle-end/39360
14848         * tree-flow.h (add_referenced_var): Return bool instead of void.
14849         * tree-dfa.c (add_referenced_var): Return result of
14850         referenced_var_check_and_insert call.
14851         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
14852         of referenced_var_check_and_insert.
14853
14854         PR debug/39372
14855         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
14856         (gen_variable_die): Emit DW_AT_location on abstract static variable's
14857         DIE, don't emit it if abstract origin already has it.
14858         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
14859         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
14860
14861 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
14862
14863         * genpreds.c (needs_variable): Fix parentheses at variable name
14864         detection.
14865         (write_tm_constrs_h): Indent generated code.
14866
14867 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
14868
14869         * doc/extend.texi (Function Attributes): Add documentation
14870         for isr attributes.
14871
14872 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
14873
14874         PR debug/39387
14875         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
14876         take locus from its DECL_SOURCE_LOCATION instead of input_location.
14877
14878 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
14879
14880         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
14881         the loop as bad.
14882
14883 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
14884
14885         PR debug/39379
14886         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
14887         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
14888
14889 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
14890
14891         * config/i386/i386.md (R8_REG, R9_REG): New constants.
14892         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
14893         constants instead of magic numbers.
14894         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
14895         (QI_REG_P): Ditto.
14896         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
14897         (x86_64_ms_abi_int_parameter_registers): Ditto.
14898         (x86_64_int_return_registers): Ditto.
14899         (ix86_maybe_switch_abi): Ditto.
14900         (ix86_expand_call): Ditto for clobbered_registers array.
14901         (ix86_hard_regno_mode_ok): Ditto.
14902         (x86_extended_QIreg_mentioned_p): Ditto.
14903
14904 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
14905
14906         PR tree-optimization/39349
14907         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
14908
14909         * combine.c (gen_lowpart_for_combine): Use omode when generating
14910         clobber.
14911
14912 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
14913
14914         PR rtl-optimization/39235
14915         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
14916
14917 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
14918
14919         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
14920
14921 2009-03-04  Richard Guenther  <rguenther@suse.de>
14922
14923         PR tree-optimization/39362
14924         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
14925         that occur in abnormal PHIs should be varying.
14926
14927 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
14928
14929         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
14930         Extend comments.
14931         (simple_iv):  Take loop as an argument instead of statement.
14932         * tree-scalar-evolution.h (simple_iv): Declaration changed.
14933         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
14934         to simple_iv.
14935         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
14936         Ditto.
14937         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
14938         * matrix-reorg.c (analyze_transpose): Ditto.
14939         * tree-data-ref.c (dr_analyze_innermost): Ditto.
14940         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
14941         * tree-predcom.c (ref_at_iteration): Ditto.
14942         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
14943
14944 2009-03-04  Richard Guenther  <rguenther@suse.de>
14945
14946         PR tree-optimization/39358
14947         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
14948         escaped_id and callused_id.
14949         (solve_graph): Likewise.
14950
14951 2009-03-04  Richard Guenther  <rguenther@suse.de>
14952
14953         PR tree-optimization/39339
14954         * tree-sra.c (try_instantiate_multiple_fields): Make it
14955         no longer ICE on the above.
14956
14957 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
14958
14959         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
14960         that fits within Pmode.
14961
14962 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
14963
14964         PR middle-end/10109
14965         * tm.texi (LIBCALL_VALUE): Update description.
14966
14967 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
14968
14969         PR middle-end/34443
14970         * doc/extend.texi (section): Update description.
14971
14972 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
14973
14974         PR middle-end/39345
14975         * tree-inline.c (remapped_type): New.
14976         (can_be_nonlocal): Call remapped_type instead of remap_type.
14977
14978 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
14979
14980         PR fortran/39354
14981         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
14982         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
14983
14984 2009-03-03  Richard Guenther  <rguenther@suse.de>
14985
14986         PR middle-end/39272
14987         * tree.c (tree_nonartificial_location): New function.
14988         * tree.h (tree_nonartificial_location): Declare.
14989         * builtins.c (expand_builtin_memory_chk): Provide location
14990         of the call location for artificial function pieces.
14991         (maybe_emit_chk_warning): Likewise.
14992         (maybe_emit_sprintf_chk_warning): Likewise.
14993         (maybe_emit_free_warning): Likewise.
14994         * expr.c (expand_expr_real_1): Likewise.
14995
14996 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
14997
14998         PR tree-optimization/39343
14999         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
15000         COMPONENT_REF t has ARRAY_TYPE.
15001
15002 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
15003
15004         PR middle-end/39335
15005         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
15006         when the type precision of the induction variable should be
15007         larger than the type precision of nit.
15008         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
15009         * graphite.c (graphite_loop_normal_form): Same.
15010         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
15011
15012 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
15013
15014         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
15015         (*call_1_rex64_ms_sysv): Use named constants instead of magic
15016         numbers to describe clobbered registers.
15017         (*call_value_0_rex64_ms_sysv): Ditto.
15018         * config/i386/mmx.md (mmx_emms): Ditto.
15019         (mmx_femms): Ditto.
15020
15021 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
15022
15023         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
15024         of ABI_64.
15025
15026 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
15027
15028         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
15029         (spu_section_type_flags): New function.
15030
15031 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
15032
15033         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
15034         reg_class_contents of FLOAT_REGS into a temporary.
15035
15036 2009-03-02  Richard Guenther  <rguenther@suse.de>
15037             Ira Rosen  <irar@il.ibm.com>
15038
15039         PR tree-optimization/39318
15040         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
15041         information to the vectorized statement.
15042
15043 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
15044
15045         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
15046         variable.  Use defined names instead of magic constants for REX SSE
15047         registers.
15048
15049 2009-03-01  Richard Guenther  <rguenther@suse.de>
15050
15051         PR tree-optimization/39331
15052         * omp-low.c (lower_send_shared_vars): Do not receive new
15053         values for the reference of DECL_BY_REFERENCE parms or results.
15054
15055 2009-03-01  Jan Hubicka  <jh@suse.cz>
15056
15057         PR debug/39267
15058         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
15059         BLOCK_NONLOCALIZED_VAR): New macros.
15060         (tree_block): Add nonlocalized_vars.
15061         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
15062         gen_decl_die): Add origin argument.  Allow generation of die with
15063         origin at hand only.
15064         (gen_member_die, gen_type_die_with_usage, force_decl_die,
15065         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
15066         of gen_*.
15067         (gen_block_die): Fix checking for unused blocks.
15068         (process_scope_var): Break out from .... ; work with origins only.
15069         (decls_for_scope) ... here; process nonlocalized list.
15070         (dwarf2out_ignore_block): Look for nonlocalized vars.
15071         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
15072         vars.
15073         (dump_scope_block): Dump them.
15074         * tree-inline.c (remap_decls): Handle nonlocalized vars.
15075         (remap_block): Likewise.
15076         (can_be_nonlocal): New predicate.
15077         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
15078
15079 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
15080
15081         * configure: Regenerate.
15082
15083 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
15084
15085         * optc-gen.awk: No need to duplicate option flags twice.
15086         Reuse help texts for duplicate options which do not have any.
15087
15088         * gcc.c (display_help): Document --version.
15089
15090         * gcc.c (main): If print_help_list and verbose_flag, ensure
15091         driver output comes before subprocess output.
15092
15093         * optc-gen.awk: Assign all remaining fields to help string,
15094         space-separated, for multi-line help in *.opt.
15095
15096         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
15097         -Wno-pedantic-ms-format is for MinGW targets only.
15098
15099         * doc/options.texi (Option file format): Fix bad indentation,
15100         restoring dropped sentence.
15101
15102 2009-02-28  Jan Hubicka  <jh@suse.cz>
15103
15104         * tree-inline.c (tree_function_versioning): Output debug info.
15105
15106 2009-02-28  Jan Hubicka  <jh@suse.cz>
15107
15108         PR debug/39267
15109         * tree-inline.c (setup_one_parameter): Do not copy propagate
15110         arguments when not optimizing.
15111
15112 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
15113
15114         PR target/39327
15115         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
15116         (avx_addsubv4df3): Likewise.
15117         (*avx_addsubv4sf3): Likewise.
15118         (sse3_addsubv4sf3): Likewise.
15119         (*avx_addsubv2df3): Likewise.
15120         (sse3_addsubv2df3): Likewise.
15121         (avx_unpckhps256): Correct item selectors.
15122         (avx_unpcklps256): Likewise.
15123         (avx_unpckhpd256): Likewise.
15124         (avx_unpcklpd256): Likewise.
15125
15126 2009-02-28  Jan Hubicka  <jh@suse.cz>
15127
15128         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
15129         static vars.
15130         (copy_arguments_for_versioning): If var is declared don't declare it.
15131         (tree_function_versioning): First setup substitutions and then copy
15132         args.
15133
15134 2009-02-27  Jan Hubicka  <jh@suse.cz>
15135
15136         PR debug/39267
15137         * cgraph.h (varpool_output_debug_info): Remove.
15138         * cgraphunit.c (varpool_output_debug_info): Remove.
15139         * dwarf2out.c (deferred_locations_struct): New struct
15140         (deferred_locations): New type.
15141         (deferred_locations_list): New static var.
15142         (deffer_location): New function.
15143         (gen_variable_die): Use it.
15144         (decls_for_scope): Output info on local static vars.
15145         (dwarf2out_finish): Process deferred locations.
15146         * varpool.c (varpool_output_debug_info): Remove.
15147
15148 2009-02-27  Jan Hubicka  <jh@suse.cz>
15149
15150         PR debug/39267
15151         * tree.h (TREE_PROTECTED): Fix comment.
15152         (BLOCK_HANDLER_BLOCK): Remove.
15153         (struct tree_block): Remove handler_block add body_block.
15154         (inlined_function_outer_scope_p): New.
15155         (is_body_block): Remove.
15156         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
15157         * dwarf2out.c (is_inlined_entry_point): Remove.
15158         (add_high_low_attributes): Use inlined_function_outer_scope_p.
15159         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
15160         code.
15161         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
15162         * gimplify.c (gimplify_expr): Gimplify body blocks.
15163         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
15164         block with multiple subblocks.
15165         (dump_scope_block): Prettier output; dump more flags and info.
15166         (dump_scope_blocks): New.
15167         (remove_unused_locals): Use dump_scope_blocks.
15168         * tree-flow.h (dump_scope_blocks): Declare.
15169         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
15170         * stmt.c (is_body_block): Remove.
15171         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
15172         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
15173
15174 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
15175
15176         PR middle-end/39308
15177         * graphite.c (graphite_loop_normal_form): Do not call
15178         number_of_iterations_exit from a gcc_assert.
15179
15180 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
15181
15182         * config/s390/s390.c (s390_swap_cmp): Look for conditional
15183         jumps if COND is NULL.
15184         (find_cond_jump): New function.
15185         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
15186         * config/s390/s390.md: Remove z10_cobra attribute value.
15187
15188 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
15189
15190         * config/alpha/alpha.h (alpha_expand_mov): Return false if
15191         force_const_mem returns NULL_RTX.
15192
15193 2009-02-26  Jan Hubicka  <jh@suse.cz>
15194
15195         PR debug/39267
15196         * cgraph.h (varpool_output_debug_info): Remove.
15197         * cgraphunit.c (varpool_output_debug_info): Remove.
15198         * dwarf2out.c (deferred_locations_struct): New struct
15199         (deferred_locations): New type.
15200         (deferred_locations_list): New static var.
15201         (deffer_location): New function.
15202         (gen_variable_die): Use it.
15203         (decls_for_scope): Output info on local static vars.
15204         (dwarf2out_finish): Process deferred locations.
15205         * varpool.c (varpool_output_debug_info): Remove.
15206
15207 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
15208
15209         PR rtl-optimization/39241
15210         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
15211         to subreg_offset_representable_p.
15212
15213 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
15214
15215         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
15216         execute function prototype.  Get f and nregs from max_reg_num
15217         and get_insns.  Remove the first backward pass as it's dead,
15218         guard the forward pass by flag_expensive_optimizations.
15219         (rest_of_handle_regmove): Delete.
15220         (pass_regmove): Replace it with regmove_optimize.
15221
15222 2009-02-25  Martin Jambor  <mjambor@suse.cz>
15223
15224         PR tree-optimization/39259
15225         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
15226         calls_alloca function flags.
15227         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
15228         calls are detected.
15229
15230 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
15231
15232         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
15233         flags_set_1_rtx, flags_set_1_set): Delete.
15234         (regmove_optimize): Do not call mark_flags_life_zones.
15235
15236 2009-02-24  Julian Brown  <julian@codesourcery.com>
15237
15238         PR target/35965
15239         * config/arm/arm.c (require_pic_register): Only set
15240         cfun->machine->pic_reg once per function.
15241
15242 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
15243
15244         * doc/invoke.texi (Link Options): Document an easier way to pass
15245         options that take arguments to the GNU linker using -Xlinker and -Wl.
15246
15247 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
15248
15249         PR target/33785
15250         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
15251
15252 2009-02-24  Richard Guenther  <rguenther@suse.de>
15253
15254         PR debug/39285
15255         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
15256
15257 2009-02-24  Richard Guenther  <rguenther@suse.de>
15258             Zdenek Dvorak  <ook@ucw.cz>
15259
15260         PR tree-optimization/39233
15261         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
15262         from converting them to a generic type.
15263
15264 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
15265
15266         PR tree-optimization/39260
15267         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
15268         contains a condition with a real type.
15269         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
15270
15271 2009-02-23  Jason Merrill  <jason@redhat.com>
15272
15273         PR c++/38880
15274         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
15275         narrowing_initializer_constant_valid_p.
15276         (narrowing_initializer_constant_valid_p): Don't return
15277         null_pointer_node for adding a pointer to itself.
15278
15279 2009-02-23  Jan Hubicka  <jh@suse.cz>
15280
15281         PR c/12245
15282         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
15283         resizing.
15284
15285 2009-02-23  Jan Hubicka  <jh@suse.cz>
15286
15287         PR tree-optimization/37709
15288         * tree.c (block_ultimate_origin): Move here from dwarf2out.
15289         * tree.h (block_ultimate_origin): Declare.
15290         * dwarf2out.c (block_ultimate_origin): Move to tree.c
15291         * tree-ssa-live.c (remove_unused_scope_block_p):
15292         Eliminate blocks containig no instructions nor live variables nor
15293         nested blocks.
15294         (dump_scope_block): New function.
15295         (remove_unused_locals): Enable removal of dead blocks by default;
15296         enable dumping at TDF_DETAILS.
15297
15298 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
15299
15300         * config/i386/i386.c (classify_argument): Don't allow COImode
15301         and OImode.
15302         (function_arg_advance_32): Don't allow OImode.
15303         (function_arg_32): Likewise.
15304         (function_value_32): Likewise.
15305         (return_in_memory_32): Likewise.
15306         (function_arg_64): Remove OImode comment.
15307
15308 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
15309
15310         PR target/39261
15311         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
15312         ix86_expand_vector_set for V4DImode in 64bit mode only.
15313         (ix86_expand_vector_init_one_var): Likewise.
15314
15315 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
15316
15317         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
15318
15319 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
15320
15321         PR bootstrap/39257
15322         * loop-iv.c: Revert last change.
15323         * emit-rtl.c: Likewise.
15324
15325 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
15326
15327         PR target/39256
15328         * config/i386/i386.c (type_natural_mode): Remove an extra
15329         space in the warning message.
15330         (function_value_32): Handle 32-byte vector modes.
15331         (return_in_memory_32): Likewise.
15332
15333 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
15334
15335         * loop-iv.c (truncate_value): New function.
15336         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
15337         of lowpart_subreg.
15338         (lowpart_subreg): Move to...
15339         * emit-rtl.c: ...here.
15340
15341 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
15342
15343         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
15344         accidental and undocumented change at revision 140860.
15345
15346 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
15347
15348         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
15349         take gimple_seq * arguments.
15350         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
15351         types_compatible_p langhook.
15352
15353 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
15354             Joseph Myers  <joseph@codesourcery.com>
15355
15356         * config/arm/arm.c (arm_builtin_va_list): New function.
15357         (arm_expand_builtin_va_start): Likewise.
15358         (arm_gimplify_va_arg_expr): Likewise.
15359         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
15360         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
15361         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
15362         (va_list_type): New variable.
15363         (arm_mangle_type): Mangle va_list_type appropriately.
15364
15365 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
15366
15367         PR middle-end/39157
15368         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
15369         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
15370         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
15371         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
15372         parameter to 1000 for -O1 by default.
15373         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
15374         parameter.
15375         * loop-invariant.c: Include params.h.
15376         (move_loop_invariants): Don't call move_single_loop_invariants on
15377         very large loops.
15378
15379 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
15380
15381         * calls.c (emit_library_call_value_1): Use slot_offset instead of
15382         offset when calculating bounds for indexing stack_usage_map.  Fixes
15383         a buffer overflow with certain target setups.
15384
15385 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
15386
15387         PR target/39240
15388         * calls.c (expand_call): Clear try_tail_call if caller and callee
15389         disagree in promotion of function return value.
15390
15391 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
15392
15393         PR target/39175
15394         * c-common.c (c_determine_visibility): If visibility changed and
15395         DECL_RTL has been already set, call make_decl_rtl to update symbol
15396         flags.
15397
15398 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
15399
15400         PR c++/39188
15401         * varasm.c (assemble_variable): Don't check DECL_NAME when
15402         globalizing a variable.
15403
15404 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
15405
15406         PR c/38483
15407         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
15408         expression before any __builtin_trap call.
15409         * c-typeck.c (build_function_call): Convert and check function
15410         arguments before generating a call to a trap.  Evaluate the
15411         function arguments before the trap.
15412
15413 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
15414
15415         PR target/39228
15416         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
15417         (UNSPEC_FXAM_MEM): New unspec.
15418         (fxam<mode>2_i387_with_temp): New insn and split pattern.
15419         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
15420         memory using fxam<mode>2_i387_with_temp to remove excess precision.
15421
15422 2009-02-19  Richard Guenther  <rguenther@suse.de>
15423
15424         PR tree-optimization/39207
15425         PR tree-optimization/39074
15426         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
15427         storedanything_tree): New.
15428         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
15429         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
15430         (build_succ_graph): Add edges from STOREDANYTHING to all
15431         non-direct nodes.
15432         (init_base_vars): Initialize STOREDANYTHING.
15433         (compute_points_to_sets): Free substitution info after
15434         building the succ graph.
15435         (ipa_pta_execute): Likewise.
15436
15437         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
15438         field.
15439         (do_ds_constraint): Do not add to special var or non-pointer
15440         field solutions.
15441         (type_could_have_pointers): Split out from ...
15442         (could_have_pointers): ... here.  For arrays use the element type.
15443         (create_variable_info_for): Initialize may_have_pointers.
15444         (new_var_info): Likewise.
15445         (handle_lhs_call): Make the HEAP variable unknown-sized.
15446         (intra_create_variable_infos): Use a type with pointers for
15447         PARM_NOALIAS, make it unknown-sized.
15448
15449 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
15450
15451         PR target/39224
15452         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
15453
15454 2009-02-18  Jason Merrill  <jason@redhat.com>
15455
15456         PR target/39179
15457         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
15458         value if DECL_EXTERNAL.
15459         * tree-sra.c (sra_walk_gimple_assign): Likewise.
15460         * target.h (gcc_target::binds_local_p): Clarify "module".
15461         * tree.h (TREE_PUBLIC): Clarify "module".
15462
15463 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
15464
15465         PR target/38891
15466         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
15467         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
15468
15469 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
15470
15471         PR target/39082
15472         * c.opt (Wabi): Support C and ObjC.
15473         (Wpsabi): New.
15474
15475         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
15476
15477         * config/i386/i386.c (classify_argument): Warn once about the ABI
15478         change when passing union with long double.
15479
15480         * doc/invoke.texi: Update -Wabi for warning psABI changes.
15481
15482 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
15483
15484         PR c/35447
15485         * c-parser.c (c_parser_compound_statement): Always enter and leave
15486         a scope.
15487
15488 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15489
15490         PR target/34587
15491         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
15492
15493 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
15494
15495         PR tree-optimization/36922
15496         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
15497         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
15498         Likewise.
15499
15500 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
15501
15502         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
15503         to 0 for EABI64.
15504
15505 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
15506
15507         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
15508
15509 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
15510
15511         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
15512         tree sharing.
15513
15514 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
15515             Richard Sandiford  <rdsandiford@googlemail.com>
15516
15517         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
15518         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
15519         (loongson_biadd): ...this.
15520
15521 2009-02-17  Richard Guenther  <rguenther@suse.de>
15522
15523         PR tree-optimization/39202
15524         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
15525         a var make sure to follow existing collapses.
15526
15527 2009-02-17  Richard Guenther  <rguenther@suse.de>
15528
15529         PR middle-end/39214
15530         * langhooks.c (lhd_print_error_function): Check for NULL block.
15531
15532 2009-02-17  Richard Guenther  <rguenther@suse.de>
15533
15534         PR tree-optimization/39204
15535         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
15536         of the PHI arg.
15537
15538 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
15539
15540         * config/soft-fp/double.h: Update from glibc CVS.
15541
15542 2009-02-17  Richard Guenther  <rguenther@suse.de>
15543
15544         PR tree-optimization/39207
15545         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
15546         strict-aliasing warnings for pointers pointing to NULL.
15547
15548 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
15549
15550         PR c/35446
15551         * c-parser.c (c_parser_braced_init): Call pop_init_level when
15552         skipping until next close brace.
15553
15554 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
15555
15556         PR target/37049
15557         * config/i386/i386.c (ix86_expand_push): Set memory alignment
15558         to function argument boundary.
15559
15560 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
15561
15562         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
15563         in the lea_add. Reload eventually constraints it properly.
15564         * config/picochip/constraints.md: Remove the target constraint
15565         "b", since it is not needed anymore.
15566
15567 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
15568
15569         * gthr-dce.h: Uglify function parameter and local variable names.
15570         * gthr-gnat.h: Likewise.
15571         * gthr-mipssde.h: Likewise.
15572         * gthr-nks.h: Likewise.
15573         * gthr-posix95.h: Likewise.
15574         * gthr-posix.h: Likewise.
15575         * gthr-rtems.h: Likewise.
15576         * gthr-single.h: Likewise.
15577         * gthr-solaris.h: Likewise.
15578         * gthr-tpf.h: Likewise.
15579         * gthr-vxworks.h: Likewise.
15580         * gthr-win32.h: Likewise.
15581
15582 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
15583
15584         PR target/39196
15585         * config/i386/i386.md: Restrict the new peephole2 to move
15586         between MMX/SSE registers.
15587
15588 2009-02-15  Richard Guenther  <rguenther@suse.de>
15589
15590         Revert
15591         2009-02-13  Richard Guenther  <rguenther@suse.de>
15592
15593         * configure.ac: Enable LFS.
15594         * configure: Re-generate.
15595         * config.in: Likewise.
15596
15597 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
15598
15599         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
15600         spu_srqwbyte, spu_srqwbytebc): Define.
15601         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
15602         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
15603         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
15604         "shrqby_<mode>"): New insn-and-split patterns.
15605         * config/spu/spu.c (expand_builtin_args): Determine and return
15606         number of operands using spu_builtin_description data.
15607         (spu_expand_builtin_1): Use it.
15608
15609 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
15610
15611         PR target/38056
15612         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
15613         TARGET_CONST_GP.
15614
15615 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
15616
15617         PR target/39149
15618         * config/i386/i386.c (override_options): Correct warning
15619         messages for -malign-loops, -malign-jumps and -malign-functions.
15620
15621 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
15622
15623         PR target/39152
15624         * config/i386/i386.md: Restrict the new peephole2 to move
15625         between the general purpose registers.
15626
15627 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
15628
15629         PR target/39162
15630         * config/i386/i386.c (type_natural_mode): Add a new argument.
15631         Return the original mode and warn ABI change if vector size is 32byte.
15632         (function_arg_advance): Updated.
15633         (function_arg): Likewise.
15634         (ix86_function_value): Likewise.
15635         (ix86_return_in_memory): Likewise.
15636         (ix86_sol10_return_in_memory): Likewise.
15637         (ix86_gimplify_va_arg): Likewise.
15638         (function_arg_32): Don't warn ABX ABI change here.
15639         (function_arg_64): Likewise.
15640
15641 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
15642
15643         * loop-iv.c (implies_p): In the final case, test that operands 0
15644         of the two comparisons match.
15645
15646         * config/bfin/bfin.c (find_prev_insn_start): New function.
15647         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
15648         (find_next_insn_start): Move.
15649
15650 2009-02-13  Richard Guenther  <rguenther@suse.de>
15651
15652         * configure.ac: Enable LFS.
15653         * configure: Re-generate.
15654         * config.in: Likewise.
15655
15656 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
15657
15658         PR c/35444
15659         * c-parser.c (c_parser_parms_list_declarator): Discard pending
15660         sizes on syntax error after some arguments have been parsed.
15661
15662 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
15663
15664         * doc/invoke.texi (-fira): Remove.
15665
15666 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
15667
15668         * caller-save.c: Replace regclass.c with reginfo.c in comments.
15669         * recog.c: Likewise.
15670         * rtl.h: Likewise.
15671
15672 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
15673
15674         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
15675         (umul_ppmm): Likewise.
15676         (count_leading_zeros): Likewise.
15677         (count_trailing_zeros): Likewise.
15678         (UMUL_TIME): Likewise.
15679
15680 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
15681
15682         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
15683         soft-fp/t-softfp to tmake_file.
15684
15685         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
15686         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
15687         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
15688         IA64_BUILTIN_INFQ]: New.
15689         (ia64_init_builtins): Initialize __builtin_infq,
15690         __builtin_fabsq and __builtin_copysignq if not HPUX.
15691         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
15692         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
15693
15694         * config/ia64/lib1funcs.asm (__divtf3): Define only if
15695         SHARED is defined.
15696         (__fixtfti): Likewise.
15697         (__fixunstfti): Likewise.
15698         (__floattitf): Likewise.
15699
15700         * config/ia64/libgcc-glibc.ver: New.
15701         * config/ia64/t-fprules-softfp: Likewise.
15702         * config/ia64/sfp-machine.h: Likewise.
15703
15704         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
15705         (LIBGCC2_TF_CEXT): Likewise.
15706         (TF_SIZE): Likewise.
15707         (TARGET_INIT_LIBFUNCS): Likewise.
15708
15709         * config/ia64/t-glibc (SHLINB_MAPFILES):
15710         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
15711
15712 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
15713
15714         * config/i386/i386.c (construct_container): Rewrite processing
15715         BLKmode with X86_64_SSE_CLASS.
15716
15717 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
15718
15719         PR target/39152
15720         * config/i386/i386.md: Replace simplify_replace_rtx with
15721         replace_rtx in the new peephole2.
15722
15723 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
15724
15725         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
15726         loop unrolling do not happen at -O2.
15727
15728 2009-02-12  Michael Matz  <matz@suse.de>
15729
15730         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
15731
15732 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
15733
15734         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
15735         for -g3.
15736
15737 2009-02-12  Ben Elliston  <bje@au.ibm.com>
15738
15739         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
15740         patterns when updating the back chain.  Missed in the 2009-02-10
15741         change.
15742
15743 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
15744
15745         * doc/extend.texi (Decimal Floating Types): Update identifier of
15746         draft TR and list of missing support.
15747
15748 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
15749
15750         PR middle-end/39154
15751         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
15752         bit to variable length decl's flags, add it also to its
15753         pointer replacement variable.
15754
15755 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
15756             Jakub Jelinek  <jakub@redhat.com>
15757
15758         PR target/39118
15759         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
15760         (memory_blockage): New expander.
15761         (*memory_blockage): New insn pattern.
15762         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
15763         instead of general blockage at the end of function prologue when
15764         frame pointer is used to access red zone area.  Do not emit blockage
15765         when profiling, it is emitted in generic code.
15766         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
15767         function epilogue when frame pointer is used to access red zone area.
15768
15769 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
15770
15771         PR target/38824
15772         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
15773         by arithmetic with memory operands.
15774         * config/i386/predicates.md (commutative_operator): New.
15775
15776 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
15777
15778         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
15779         bulleted lists.
15780
15781 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
15782
15783         * alias.h (record_alias_subset): Declare.
15784         * alias.c (record_alias_subset): Make global.
15785
15786 2009-02-10  Nick Clifton  <nickc@redhat.com>
15787
15788         * tree-parloops.c: Change license to GPLv3.
15789         * ipa-struct-reorg.c: Change license to GPLv3.
15790         * ipa-struct-reorg.h: Change license to GPLv3.
15791
15792 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
15793
15794         PR c/39084
15795         * c-decl.c (start_struct): Return NULL on error.
15796
15797 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
15798
15799         PR middle-end/39124
15800         * cfgloopmanip.c (remove_path): Call remove_bbs after
15801         cancel_loop_tree, not before it.
15802
15803         PR target/39139
15804         * function.h (struct function): Add has_local_explicit_reg_vars bit.
15805         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
15806         VAR_DECLs were seen.
15807         * tree-ssa-live.c (remove_unused_locals): Recompute
15808         cfun->has_local_explicit_reg_vars.
15809         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
15810         copies or clearings if cfun->has_local_explicit_reg_vars.
15811
15812 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
15813
15814         PR target/39118
15815         * config/i386/i386.c (expand_prologue): Emit blockage at the end
15816         of function prologue when frame pointer is used to access
15817         red zone area.
15818
15819 2009-02-10  Richard Guenther  <rguenther@suse.de>
15820
15821         PR middle-end/39127
15822         * gimplify.c (gimple_regimplify_operands): Always look if
15823         we need to create a temporary.
15824
15825 2009-02-10  Richard Guenther  <rguenther@suse.de>
15826
15827         PR tree-optimization/39132
15828         * tree-loop-distribution.c (todo): New global var.
15829         (generate_memset_zero): Trigger TODO_rebuild_alias.
15830         (tree_loop_distribution): Return todo.
15831
15832 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
15833
15834         PR target/39119
15835         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
15836         (x86_64_reg_class_name): Removed.
15837         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
15838         first one isn't X86_64_SSE_CLASS or any other ones aren't
15839         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
15840         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
15841         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
15842         and 3 X86_64_SSEUP_CLASS.
15843         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
15844         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
15845
15846 2009-02-10  Ben Elliston  <bje@au.ibm.com>
15847
15848         * config/rs6000/rs6000.md (allocate_stack): Always use an update
15849         form instruction to update the stack back chain word, even if the
15850         user has disabled the generation of update instructions.
15851         (movdi_<mode>_update_stack): New.
15852         (movsi_update_stack): Likewise.
15853         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
15854         always use an update form instruction to update the stack back
15855         chain word.
15856
15857 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
15858
15859         PR middle-end/38953
15860         * graphite.c (if_region_set_false_region): After moving a region in
15861         the false branch of a condition, remove the empty dummy basic block.
15862         (gloog): Remove wrong fix for PR38953.
15863
15864 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
15865
15866         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
15867         generation due to implicit sign extension.
15868
15869 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
15870
15871         PR middle-end/38981
15872         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
15873         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
15874
15875 2009-02-09  Richard Guenther  <rguenther@suse.de>
15876
15877         PR middle-end/35202
15878         * convert.c (convert_to_real): Disable (float)fn((double)x)
15879         to fnf(x) conversion if errno differences may occur and
15880         -fmath-errno is set.
15881
15882 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
15883
15884         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
15885         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
15886         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
15887
15888 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
15889
15890         PR c/35434
15891         * c-common.c (handle_alias_attribute): Disallow attribute for
15892         anything not a FUNCTION_DECL or VAR_DECL.
15893
15894 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
15895
15896         PR c/39035
15897         * real.c (do_compare): Special-case compare of zero against
15898         decimal float value.
15899
15900 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
15901
15902         PR c/36432
15903         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
15904         as indicating flexible array members unless the field itself is
15905         being declarared as the incomplete array.
15906
15907 2009-02-06  Jan Hubicka  <jh@suse.cz>
15908
15909         PR tree-optimization/38844
15910         * ipa-inline.c (try_inline): Stop inlining recursion when edge
15911         is already inlined.
15912
15913 2009-02-06  Richard Guenther  <rguenther@suse.de>
15914
15915         PR middle-end/38977
15916         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
15917         fork because we may expand it as __gcov_fork.
15918
15919 2009-02-06  Nick Clifton  <nickc@redhat.com>
15920
15921         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
15922
15923 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
15924
15925         PR tree-optimization/35659
15926         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
15927         vn_phi_eq): Shortcut if hashcode does not match.
15928         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
15929         NULL operands.
15930         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
15931         and avoid iterative_hash_expr.
15932         (FOR_EACH_VALUE_ID_IN_SET): New.
15933         (value_id_compare): Remove.
15934         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
15935         sort expressions by value id.
15936
15937 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
15938
15939         PR target/38991
15940         * config/sh/predicates.md (general_movsrc_operand): Don't check
15941         the subreg of system registers here.
15942
15943 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
15944
15945         PR c++/39106
15946         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
15947         on the copied decl.
15948
15949 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
15950
15951         PR rtl-optimization/39110
15952         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
15953         addresses, not aligned ones.
15954
15955 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
15956             Richard Guenther  <rguenther@suse.de>
15957
15958         PR tree-optimization/39100
15959         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
15960         comment says and add edges.
15961
15962 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
15963
15964         PR c/35435
15965         * c-common.c (handle_tls_model_attribute): Ignore attribute for
15966         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
15967
15968 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
15969
15970         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
15971         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
15972         register_bb_in_sese, new_sese, free_sese): Moved.
15973         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
15974         outermost_loop_in_scop, build_scop_iteration_domain,
15975         expand_scalar_variables_ssa_name, get_vdef_before_scop,
15976         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
15977         Use loop_in_sese_p instead of loop_in_scop_p.
15978         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
15979         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
15980         (scopdet_basic_block_info): Fix bug in scop detection.
15981         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
15982         eq_loop_to_cloog_loop): Remove.
15983         (nb_loops_around_loop_in_scop, nb_loop
15984         ref_nb_loops): Moved here...
15985         * graphite.h (ref_nb_loops): ... from here.
15986         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
15987         (loop_domain_dim, loop_iteration_vector_dim): Remove.
15988         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
15989         * testsuite/gcc.dg/graphite/scop-19.c: New
15990
15991 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
15992             Hans-Peter Nilsson  <hp@axis.com>
15993
15994         PR rtl-optimization/37889
15995         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
15996         Move offset handling from PLUS to before the switch.  Use new
15997         arguments when considering SYMBOL_REFs too.
15998         (rtx_addr_can_trap_p): Pass dummy offset and size.
15999         (enum may_trap_p_flags): Remove.
16000         (may_trap_p_1): Pass size from MEM_SIZE.
16001
16002         PR rtl-optimization/38921
16003         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
16004         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
16005         * rtlanal.c (may_trap_after_code_motion_p): Delete.
16006         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
16007
16008 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
16009
16010         AVX Programming Reference (January, 2009)
16011         * config/i386/sse.md (*vpclmulqdq): New.
16012
16013 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
16014
16015         PR tree-optimization/38977
16016         PR gcov-profile/38292
16017         * calls.c (special_function_p): Disregard __builtin_ prefix.
16018
16019 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
16020
16021         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
16022         non-indexable addresses even before reload.
16023
16024 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
16025
16026         PR c/29129
16027         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
16028         as having variable size.  Do not give an error for unnamed
16029         parameters with [*] declarators.  Give a warning for type names
16030         with [*] declarators and mark them as variable size.
16031         * c-parser.c (c_parser_sizeof_expression): Do not give an error
16032         for sizeof applied to [*] type names.
16033
16034 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16035
16036         PR C++/36607
16037         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
16038
16039 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
16040
16041         * gcc.c (process_command): Update copyright notice dates.
16042         * gcov.c (print_version): Likewise.
16043         * gcov-dump.c (print_version): Likewise.
16044         * mips-tfile.c (main): Likewise.
16045         * mips-tdump.c (main): Likewise.
16046
16047 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
16048
16049         PR c/35433
16050         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
16051         for composite type involving a zero-length array type.
16052
16053 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
16054
16055         PR target/35318
16056         * function.c (match_asm_constraints_1): Skip over
16057         initial optional % in the constraint.
16058
16059         PR inline-asm/39059
16060         * c-parser.c (c_parser_postfix_expression): If fixed point is not
16061         supported, don't accept FIXED_CSTs.
16062         * c-decl.c (finish_declspecs): Error if fixed point is not supported
16063         and _Sat is used without _Fract/_Accum.  Set specs->type to
16064         integer_type_node for cts_fract/cts_accum if fixed point is not
16065         supported.
16066
16067 2009-02-02  Catherine Moore  <clm@codesourcery.com>
16068
16069         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
16070
16071 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
16072
16073         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
16074         (ABI_HAS_64BIT_SYMBOLS): Use it.
16075         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
16076
16077 2009-02-02  Paul Brook  <paul@codesourcery.com>
16078
16079         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
16080
16081 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
16082
16083         PR inline-asm/39058
16084         * recog.h (asm_operand_ok): Add constraints argument.
16085         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
16086         recurse on matching constraint.
16087         (check_asm_operands): Pass constraints as 3rd argument to
16088         asm_operand_ok.  Don't look up matching constraint here.
16089         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
16090         to asm_operand_ok.
16091
16092 2009-02-02  Ben Elliston  <bje@au.ibm.com>
16093
16094         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
16095         TARGET_NARROW_VOLATILE_BITFIELD macro names.
16096
16097 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16098
16099         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
16100         information.  Remove some obsolete information.  Reorganize.
16101
16102         * config/pa/fptr.c: Revert license to GPL 2.
16103         * config/pa/milli64.S: Likewise.
16104
16105 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
16106
16107         PR target/38904
16108         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
16109         LIBRARY name in, instead of hard-coding it.
16110         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
16111         extra target make frag to tmake_files according to EH model.
16112         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
16113         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
16114         frags that define makefile variable EH_MODEL appropriately.
16115         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
16116         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
16117         to "-sjlj" according to type of EH configured.
16118         (LIBGCC_SONAME):  Concatenate it to shared library base name.
16119         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
16120         to "_sjlj" according to type of EH configured.
16121         (LIBGCC_SONAME):  Concatenate it to shared library base name.
16122         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
16123         (SHLIB_LINK):  Add missing semicolon to if-else construct.
16124         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
16125         string value of "pe_dll" command-line option.
16126         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
16127         (SHLIB_SONAME):  Use it when overriding t-cygming default.
16128         (SHLIB_IMPLIB):  Override t-cygming default.
16129         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
16130         string value of "pe_dll" command-line option.
16131
16132 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
16133
16134         PR target/38952
16135         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
16136         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
16137
16138 2009-01-31  Richard Guenther  <rguenther@suse.de>
16139
16140         PR tree-optimization/38937
16141         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
16142         computing the transitive closure.
16143
16144 2009-01-30  Richard Guenther  <rguenther@suse.de>
16145
16146         PR tree-optimization/39041
16147         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
16148         Propagate variable indices only if the types match for this stmt.
16149
16150 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
16151
16152         PR target/39013
16153         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
16154         inline but never defined.
16155
16156 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
16157
16158         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
16159         (*insv_h_di_reg_extimm): New insn.
16160         (*insv_l<mode>_reg_extimm): New insn.
16161
16162 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
16163
16164         * config/picochip/picochip.c (flag_conserve_stack): set
16165         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
16166         fconserve-stack. Reduce call-overhead used by inliner.
16167
16168 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
16169
16170         PR/38157
16171         * common.opt (flag_conserve_stack): Initialised to zero.
16172
16173 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
16174
16175         PR/39002
16176         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
16177         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
16178         method.
16179
16180 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
16181
16182         * ira-color.c (allocno_reload_assign): Update comments.
16183         * regmove.c (regmove_optimize): Likewise.
16184
16185         * ra.h: Removed.
16186
16187 2009-01-29  Robert Millan  <rmh@aybabtu.com>
16188
16189         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
16190         * config/i386/kopensolaris-gnu.h: New file.  Undefine
16191         `MD_UNWIND_SUPPORT'.
16192         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
16193
16194 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
16195
16196         PR tree-optimization/39007
16197         * tree-loop-distribution.c (generate_builtin): Use
16198         recompute_dominator to compute the immediate dominator of the
16199         basic block just after the loop.
16200
16201 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
16202
16203         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
16204         (ASM_OUTPUT_DWARF_PCREL): Define.
16205
16206 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
16207
16208         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
16209         * doc/passes.texi: Remove entries about regclass, local-alloc, and
16210         global.  Modify entries about regmove and IRA.
16211
16212         * ra-conflict.c: Remove the file.
16213
16214         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
16215
16216         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
16217         (pass_regclass_init): Rename to pass_reginfo_init.
16218
16219         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
16220
16221         * toplev.h (flag_ira): Remove.
16222
16223         * caller-save.c (setup_save_areas): Remove flag_ira.
16224
16225         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
16226
16227         * global.c: Remove the file.
16228
16229         * opts.c (decode_options): Remove flag_ira.
16230
16231         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
16232
16233         * regmove.c: Modify file description.
16234         (find_use_as_address, try_auto_increment): Define them only if
16235         AUTO_INC_DEC is defined.
16236         (replacement_quality, replace_in_call_usage, fixup_match_1,
16237         stable_and_no_regs_but_for_p): Remove.
16238         (reg_set_in_bb): Make it static.
16239         (regmove_optimize): Remove flag_ira and code which worked for
16240         !flag_ira.
16241
16242         * local-alloc.c: Remove the file.
16243
16244         * common.opt (fira): Remove.
16245
16246         * ira.c: Include except.h.
16247         (eliminable_regset): Move from global.c.
16248         (mark_elimination): Ditto.  Remove flag_ira.
16249         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
16250         equiv_mem_modified, validate_equiv_mem_from_store,
16251         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
16252         contains_replace_regs, memref_referenced_p, memref_used_between_p,
16253         no_equiv, recorded_label_ref): Move from local-alloc.c.
16254         (update_equiv_regs): Ditto.  Make it static.
16255         (print_insn_chain, print_insn_chains): Move it from global.c.
16256         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
16257         (build_insn_chain): Ditto.  Make it static.
16258         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
16259         Rename to init_live_subregs.
16260         (gate_ira): Remove flag_ira.
16261
16262         * regclass.c: Rename reginfo.c.  Change file description.
16263         (FORBIDDEN_INC_DEC_CLASSES): Remove.
16264         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
16265         (init_reg_sets_1): Remove code for evaluation of
16266         reg_class_superclasses and losing_caller_save_reg_set.
16267         (init_regs): Remove init_reg_autoinc.
16268         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
16269         ok_for_base_p_nonstrict): Remove.
16270         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
16271         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
16272         corresponding entries.
16273         (dump_regclass, record_operand_costs, scan_one_insn,
16274         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
16275         record_address_regs, auto_inc_dec_reg_p): Remove.
16276         (gt-regclass.h): Rename to gt-reginfo.h.
16277
16278         * rtl.h (dump_global_regs, retry_global_alloc,
16279         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
16280
16281         * Makefile.in (RA_H): Remove.
16282         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
16283         Rename regclass.o to reginfo.o.
16284         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
16285         gt-reginfo.h.
16286         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
16287         (GTFILES): Rename regclass.c to reginfo.c.
16288
16289         * passes.c (init_optimization_passes): Remove pass_local_alloc and
16290         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
16291
16292         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
16293         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
16294         Remove flag_ira.
16295         (finish_spills): Ditto.  Remove code for !flag_ira.
16296
16297 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
16298
16299         PR middle-end/35854
16300         * doc/invoke.texi (rtl debug options): Complete rewrite.
16301         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
16302         to auto_inc_dec".
16303         * mode-switching.c (pass_mode_switching): Rename pass from
16304         "mode-sw" to "mode_sw".
16305         * except.c (pass_convert_to_eh_ranges): Rename pass from
16306         "eh-ranges" to "eh_ranges".
16307         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
16308         to "subreg1".
16309
16310
16311 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
16312             Alexander Monakov  <amonakov@ispras.ru>
16313
16314         PR middle-end/38857
16315         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
16316         register.
16317         (move_exprs_to_boundary): Change return type and pass through
16318         should_move from move_op.  Relax assert.  Update usage ...
16319         (schedule_expr_on_boundary): ... here.  Use should_move instead of
16320         cant_move.
16321         (move_op_orig_expr_found): Indicate that insn was disconnected from
16322         stream.
16323         (code_motion_process_successors): Do not call after_merge_succs
16324         callback if original expression was not found when traversing any of
16325         the branches.
16326         (code_motion_path_driver): Change return type.  Update prototype.
16327         (move_op): Update comment.  Add a new parameter (should_move).  Update
16328         prototype.  Set *should_move based on indication provided by
16329         move_op_orig_expr_found.
16330
16331 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
16332
16333         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
16334         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
16335         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
16336         * config/rs6000/rs6000.c (rs6000_override_options): Default
16337         avoid-indexed-addresses on for Power6, off for everything else.
16338         (avoiding_indexed_address_p): New function.
16339         (rs6000_legitimize_address): Use it.
16340         (rs6000_legitimate_address): Likewise.
16341         * config/rs6000/rs6000.md (movXX_updateX): Likewise
16342
16343 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
16344
16345         PR tree-optimization/38997
16346         * tree-loop-distribution.c (generate_memset_zero): Use
16347         POINTER_PLUS_EXPR for a pointer addition.
16348
16349 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
16350
16351         * config/s390/s390.md (bswap<mode>2): New pattern added.
16352
16353 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
16354
16355         * config/s390/s390.md (*tls_load_31): Added type attribute.
16356
16357 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
16358
16359         * config/s390/s390.md: Fix a few comments.
16360
16361 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
16362
16363         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
16364         (*tm<mode>_full): Fixed z10prop attribute.
16365         (*tst<mode>_extimm): Fixed z10prop attribute.
16366         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
16367         (*tstqiCCT_cconly): Fixed z10prop attribute.
16368         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
16369         (*movsi_larl): Fixed z10prop attribute.
16370         (*movsi_zarch): Fixed z10prop attribute.
16371         (*movsi_eas): Fixed z10prop attribute.
16372         (*movhi): Fixed z10prop attribute.
16373         (*movqi): Fixed z10prop attribute.
16374         (*movstrictqi): Fixed z10prop attribute.
16375         (*mov<mode>): Fixed z10prop attribute.
16376         (*movcc): Fixed z10prop attribute.
16377         (*sethighpartdi_64): Fixed z10prop attribute.
16378         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
16379         (*negdi2_sign_cc): Fixed z10prop attribute.
16380         (*negdi2_sign): Fixed z10prop attribute.
16381         (*absdi2_sign_cc): Fixed z10prop attribute.
16382         (*absdi2_sign): Fixed z10prop attribute.
16383         (*negabsdi2_sign_cc): Fixed z10prop attribute.
16384         (*negabsdi2_sign): Fixed z10prop attribute.
16385         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
16386         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
16387         (doloop_si64): Fixed z10prop attribute.
16388         (doloop_si31): Fixed z10prop attribute.
16389         (doloop_long): Fixed z10prop attribute.
16390         (indirect_jump): Fixed z10prop attribute.
16391         (nop): Fixed z10prop attribute.
16392         (main_base_64): Fixed z10prop attribute.
16393         (reload_base_64): Fixed z10prop attribute.
16394
16395 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
16396
16397         PR rtl-optimization/38740
16398         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
16399         if !optimize.
16400         * config/mips/mips.c (mips_reorg): Likewise.
16401
16402 2009-01-28  Richard Guenther  <rguenther@suse.de>
16403
16404         PR tree-optimization/38926
16405         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
16406         with the correct value id to a value.
16407         (do_regular_insertion): Use the value number of edoubleprime
16408         for the value number of the expr.
16409
16410         Revert
16411         2008-08-21  Richard Guenther  <rguenther@suse.de>
16412
16413         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
16414         a PHI ask VN if it is already available.
16415         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
16416         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
16417
16418 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
16419
16420         PR middle-end/38934
16421         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
16422         set to varying whenever max has TREE_OVERFLOW set, similarly
16423         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
16424
16425 2009-01-28  Richard Guenther  <rguenther@suse.de>
16426
16427         PR middle-end/38908
16428         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
16429         uninitialized aggregate uses in call arguments.
16430
16431 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
16432
16433         PR tree-optimization/38984
16434         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
16435         the nothing_id variable if -fno-delete-null-pointer-checks.
16436
16437 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
16438
16439         PR target/38988
16440         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
16441         (set_got_offset_rex64): Ditto.
16442
16443 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
16444
16445         PR target/38941
16446         * doc/extend.texi: Improve local variable with asm reg.
16447
16448 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
16449
16450         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
16451         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
16452         was not supplied then set warn_packed_bitfield_compat to the
16453         default value of 1.
16454         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
16455         against 1.
16456
16457 2009-01-27  Richard Guenther  <rguenther@suse.de>
16458
16459         PR tree-optimization/38503
16460         * cfgexpand.c (expand_gimple_basic_block): Ignore
16461         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
16462         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
16463         variables that cannot have TBAA applied.
16464         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
16465         statements.
16466
16467 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
16468
16469         PR middle-end/38969
16470         * calls.c (initialize_argument_information): Do not wrap complex
16471         arguments in SAVE_EXPR.
16472
16473 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
16474
16475         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
16476         (INSTALL_LIBGCC): Revert typo commit.
16477
16478 2009-01-26  Richard Guenther  <rguenther@suse.de>
16479
16480         PR tree-optimization/38745
16481         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
16482         from special handling.
16483
16484 2009-01-26  Richard Guenther  <rguenther@suse.de>
16485
16486         PR tree-optimization/38745
16487         * tree-ssa.c (execute_update_addresses_taken): Do not include
16488         variables that cannot possibly be a register in not_reg_needs.
16489         Do not clear TREE_ADDRESSABLE on vars that may not become
16490         registers.
16491         * tree-ssa.c (update_alias_info_1): Include those in the set
16492         of addressable vars.
16493
16494 2009-01-26  Richard Guenther  <rguenther@suse.de>
16495
16496         PR middle-end/38851
16497         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
16498         * tree-ssa-dse.c: Include langhooks.h
16499         (execute_simple_dse): Remove stores with zero size.
16500
16501 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
16502
16503         PR c/38957
16504         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
16505         as PLUS_EXPR.
16506
16507 2009-01-24  Julian Brown  <julian@codesourcery.com>
16508
16509         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
16510         config/arm/linux-atomic.c.
16511         * config/arm/linux-atomic.c: New.
16512
16513 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
16514
16515         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
16516         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
16517         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
16518
16519 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
16520
16521         PR c/38938
16522         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
16523         properly.
16524
16525 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
16526
16527         PR tree-optimization/38953
16528         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
16529         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
16530         (gloog): Split the exit of the scop when the scop exit is a loop exit.
16531         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
16532         changed the CFG.
16533
16534 2009-01-24  Paul Brook  <paul@codesourcery.com>
16535
16536         * config/arm/neon.md (neon_type): Move to arm.md.
16537         (neon_mov<VSTRUCT>): Add neon_type attribute.
16538         * config/arm/arm.md (neon_type): Move to here.
16539         (conds): Add "unconditioal" and use as default for NEON insns.
16540
16541 2009-01-24  Ben Elliston  <bje@au.ibm.com>
16542
16543         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
16544         void *' warning from -Wc++-compat.
16545         * Makefile.in (dominance.o-warn): Remove.
16546
16547 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
16548
16549         PR tree-optimization/38932
16550         * fold-const.c (fold_unary_ignore_overflow): New.
16551         * tree.h (fold_unary_ignore_overflow): Declare.
16552         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
16553         * tree-ssa-sccvn.c (visit_reference_op_load,
16554         simplify_unary_expression): Likewise.
16555
16556 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
16557
16558         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
16559         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
16560         regardless of their type.
16561         * c-common.c (handle_packed_attribute): Don't ignore packed on
16562         bitfields.
16563         * c.opt (Wpacked-bitfield-compat): New warning option.
16564         * stor-layout.c (place_field): Warn if offset of a field changed.
16565         * doc/extend.texi (packed): Mention the ABI change.
16566         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
16567         (Warning Options): Add it to the list.
16568
16569 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
16570
16571         * c-opts.c (c_common_post_options): Fix a typo in comments.
16572
16573 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
16574
16575         PR middle-end/38615
16576         * gimplify.c (gimplify_init_constructor): Fix promotion of const
16577         variables to static.
16578         * doc/invoke.texi (-fmerge-all-constants): Update description.
16579
16580 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
16581
16582         PR target/38931
16583         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
16584         (*movdi_1_rex64): Use type "mmx" for alternative 5.
16585
16586 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
16587
16588         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
16589         a word boundary.
16590         (LOCAL_ALIGNMENT): Similarly.
16591
16592 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
16593             Joseph Myers  <joseph@codesourcery.com>
16594
16595         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
16596         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
16597         * config/arm/arm-tune.md: Regenerate.
16598         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
16599         -march=iwmmxt2.
16600
16601 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
16602
16603         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
16604         version number to five.
16605
16606 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
16607
16608         PR c++/38930
16609         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
16610         * c-common.c (set_underlying_type): Likewise.
16611         (is_typedef_decl ): Likewise
16612         * tree.h: Likewise
16613         (set_underlying_type): Likewise.
16614         (is_typedef_type): Likewise.
16615
16616 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
16617
16618         PR middle-end/38587
16619         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
16620         crossing setjmps.
16621
16622 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
16623
16624         PR bootstrap/37660
16625         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
16626         (LIBGCC_SPEC):  Don't define.
16627         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
16628
16629 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
16630
16631         PR rtl-optimization/38879
16632         * alias.c (base_alias_check): Unaligned access via AND address can
16633         alias all surrounding object types except those with sizes equal
16634         or wider than the size of unaligned access.
16635
16636 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
16637
16638         PR c++/26693
16639         * c-decl.c (clone_underlying_type): Move this ...
16640         * c-common.c (set_underlying_type): ... here.
16641         Also, make sure the function properly sets TYPE_STUB_DECL() on
16642         the newly created typedef variant type.
16643         (is_typedef_decl ): New entry point.
16644         * tree.h: Added a new member member_types_needing_access_check to
16645         struct tree_decl_non_common.
16646         (set_underlying_type): New entry point.
16647         (is_typedef_type): Likewise.
16648
16649 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
16650
16651         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
16652         Check whether two instructions have memory references that
16653         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
16654         are helper functions for traversing.
16655         * alias.h (insn_alias_sets_confilict_p): New prototypes.
16656         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
16657         not to draw dependency edge for instructions with non-conflicting
16658         alias sets.
16659
16660 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
16661
16662         PR other/38758
16663         * longlong.h: Update copyright years.  Use soft-fp license notice.
16664         Sync __clz_tab declaration with glibc.
16665
16666 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
16667
16668         PR target/30687
16669         * doc/extend.texi (syscall_linkage): New.
16670         (version_id): Modify.
16671
16672 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16673             Richard Guenther  <rguenther@suse.de>
16674
16675         PR tree-optimization/38747
16676         PR tree-optimization/38748
16677         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
16678         conversion if the base address is an indirect reference and the
16679         aliasing sets could cause issues.
16680
16681 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
16682
16683         * common.opt (fgraphite, fgraphite-identity): Add comment for
16684         explaining why these options are not documented.
16685
16686 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
16687
16688         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
16689         gimple_call_lhs is NULL.
16690
16691 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
16692
16693         PR target/38868
16694         * emit-rtl.c (adjust_address_1): Make sure memref is never
16695         overwritten.
16696
16697 2009-01-20  Ben Elliston  <bje@au.ibm.com>
16698
16699         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
16700         const qualifier from arg parameter. Remove unnecessary cast to char *.
16701         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
16702         const qualifier from arg 2.
16703
16704 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
16705
16706         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
16707
16708 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
16709
16710         PR c/38869
16711         * rtl.h (reinit_regs): New prototype.
16712         * regclass.c: Include ira.h.
16713         (reinit_regs): New.
16714         * Makefile.in (regclass.o): Add ira.h.
16715         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
16716
16717 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
16718
16719         PR target/38736
16720         * c-common.c (handle_aligned_attribute): Use
16721         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
16722         default alignment value.
16723
16724         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
16725
16726         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
16727         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
16728
16729         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
16730         __BIGGEST_ALIGNMENT__.
16731
16732         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
16733
16734 2009-01-18  Richard Guenther  <rguenther@suse.de>
16735
16736         PR tree-optimization/38819
16737         * tree-flow.h (operation_could_trap_helper_p): Declare.
16738         * tree-eh.c (operation_could_trap_helper_p): Export.
16739         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
16740         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
16741         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
16742         are about to insert a possibly trapping instruction and fail
16743         in this case.
16744
16745 2009-01-18  Andreas Schwab  <schwab@suse.de>
16746
16747         * doc/install.texi (Configuration): Remove obsolete paragraph
16748         about use of --with-gnu-ld with --with-gnu-as.
16749
16750 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
16751
16752         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
16753         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
16754         Follow spelling conventions.
16755
16756 2009-01-18  Ben Elliston  <bje@au.ibm.com>
16757
16758         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
16759         C++ warning about implicit conversion from void * to struct
16760         bitmap_head_def *.
16761         (bitmap_obstack_free): Likewise for bitmap_element *.
16762         * Makefile.in (bitmap.o-warn): Remove.
16763
16764 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
16765
16766         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
16767
16768 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
16769             Tobias Grosser  <tobi.grosser@amd.com>
16770
16771         * graphite.c (graphite_trans_scop_block): Do not block single
16772         nested loops.
16773
16774 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
16775
16776         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
16777         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
16778         test with assertion.
16779
16780 2009-01-16  Richard Guenther  <rguenther@suse.de>
16781
16782         PR tree-optimization/38835
16783         PR middle-end/36227
16784         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
16785         and INT + PTR -> (INT)(PTR p+ INT) folding.
16786         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
16787
16788 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
16789
16790         PR target/38554
16791         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
16792         the subreg from a lowpart subreg if it is also casting the value.
16793
16794 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
16795             Tobias Grosser  <tobi.grosser@amd.com>
16796
16797         * graphite.c (compare_prefix_loops): New.
16798         (build_scop_canonical_schedules): Rewritten.
16799         (graphite_transform_loops): Move build_scop_canonical_schedules
16800         after build_scop_iteration_domain.
16801
16802 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
16803             Tobias Grosser  <tobi.grosser@amd.com>
16804
16805         * graphite.c (add_conditions_to_domain): Add the loops to
16806         the dimension of the iteration domain.  Do copy the domain
16807         only when it exists.
16808         (build_scop_conditions_1): Do not call add_conditions_to_domain.
16809         (add_conditions_to_constraints): New.
16810         (can_generate_code_stmt, can_generate_code): Removed.
16811         (gloog): Do not call can_generate_code.
16812         (graphite_transform_loops): Call add_conditions_to_constraints
16813         after building the iteration domain.
16814
16815 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
16816
16817         PR tree-optimization/38789
16818         * tree-ssa-threadedge.c
16819         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
16820         __builtin_constant_p.
16821
16822 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
16823
16824         * dce.c (delete_unmarked_insns): Reversed the order that insns are
16825         examined before deleting them.
16826
16827 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
16828
16829         * function.c (aggregate_value_p): Correctly extract the function
16830         type from CALL_EXPR_FN lookup.
16831
16832 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
16833
16834         * config/picochip/picochip.c (picochip_override_options): Revert
16835         CFI asm flag disable commited previously.
16836
16837 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
16838             Tobias Grosser  <tobi.grosser@amd.com>
16839             Jan Sjodin  <jan.sjodin@amd.com>
16840
16841         * graphite.c (scan_tree_for_params): On substractions negate
16842         all the coefficients of the term.
16843         (clast_to_gcc_expression_red): New.  Handle reduction expressions
16844         of more than two operands.
16845         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
16846         (get_vdef_before_scop): Handle also the case of default definitions.
16847
16848 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
16849
16850         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
16851         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
16852         Also use them when walking CALL_INSN_FUNCTION_USAGE.
16853
16854 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
16855             Joey Ye  <joey.ye@intel.com>
16856
16857         PR middle-end/37843
16858         * cfgexpand.c (expand_stack_alignment): Don't update stack
16859         boundary nor check incoming stack boundary here.
16860         (gimple_expand_cfg): Update stack boundary and check incoming
16861         stack boundary here.
16862
16863 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
16864
16865         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
16866
16867 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
16868
16869         PR rtl-optimization/38245
16870         * calls.c (expand_call): Add stack arguments to
16871         CALL_INSN_FUNCTION_USAGE even for pure calls (when
16872         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
16873         in regs and partially in memory or BLKmode arguments.
16874         (emit_library_call_value_1): Add stack arguments to
16875         CALL_INSN_FUNCTION_USAGE even for pure calls (when
16876         ACCUMULATE_OUTGOING_ARGS).
16877         * dce.c: Include tm_p.h.
16878         (find_call_stack_args): New function.
16879         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
16880         argument.
16881         (mark_insn): Call find_call_stack_args for CALL_Ps.
16882         (prescan_insns_for_dce): Walk insns backwards in bb rather than
16883         forwards.  Allocate and free arg_stores bitmap if needed, pass it
16884         down to deletable_insn_p, don't mark stores set in arg_stores
16885         bitmap, clear the bitmap at the beginning of each bb.
16886         * Makefile.in (dce.o): Depend on $(TM_P_H).
16887
16888 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
16889
16890         PR target/22599
16891         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
16892         to make sure the insn is a conditional test (bug 22599).  Reformat a
16893         few long lines.
16894
16895 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
16896
16897         PR middle-end/38431
16898         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
16899         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
16900         (gloog): Do not call cleanup_tree_cfg.
16901         (graphite_transform_loops): Call cleanup_tree_cfg after all
16902         scops have been code generated.
16903
16904 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
16905         * doc/gty.texi (Invoking the garbage collector): Added new node
16906         and section documenting ggc_collect.
16907
16908 2009-01-14  Richard Guenther  <rguenther@suse.de>
16909
16910         PR tree-optimization/38826
16911         PR middle-end/38477
16912         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
16913         initialization notes only if we actually emitted a warning.
16914         (intra_create_variable_infos): Add constraints for a result decl
16915         that is passed by hidden reference.
16916         (build_pred_graph): Mark all related variables non-direct on
16917         address-taking.
16918
16919 2009-01-14  Nick Clifton  <nickc@redhat.com>
16920
16921         * ira-conflicts.c: Include addresses.h for the definition of
16922         base_reg_class.
16923         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
16924         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
16925
16926 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
16927
16928         PR target/38811
16929         * Makefile.in (ira-lives.o): Add except.h.
16930
16931         * ira-lives.c: Include except.h.
16932         (process_bb_node_lives): Process can_throw_internal.
16933
16934 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
16935
16936         PR rtl-optimization/38774
16937         * combine.c (simplify_set): When undoing cc_use change, don't do
16938         PUT_CODE on the newly created comparison, but instead put back the
16939         old comparison.
16940
16941 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
16942
16943         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
16944         values.  Remove duplicate arm8 entry.
16945
16946 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
16947
16948         PR tree-optimization/38786
16949         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
16950         the SSA_NAME case of expand_scalar_variables_expr.
16951         Set the type of an expression to the type of its assign statement.
16952         (expand_scalar_variables_expr): Also gather the scalar computation
16953         used to index the memory access.  Do not pass loop_p.
16954         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
16955         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
16956         the gimple_stmt_iterator where it inserts new code.
16957         Do not pass loop_p.
16958         (copy_bb_and_scalar_dependences): Do not pass loop_p.
16959         (translate_clast): Update call to copy_bb_and_scalar_dependences.
16960
16961 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
16962
16963         * graphite.h (debug_value): Removed.
16964         * graphite.c (debug_value): Removed.
16965
16966 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
16967
16968         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
16969         ldrd/strd with two 32-bit instructions.
16970
16971 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
16972
16973         * config/arm/arm.c (struct processors): Pass for speed down into
16974         cost helper functions.
16975         (const_ok_for_op): Handle COMPARE and inequality nodes.
16976         (arm_rtx_costs_1): Rewrite.
16977         (arm_size_rtx_costs): Update prototype.
16978         (arm_rtx_costs): Pass speed down to helper functions.
16979         (arm_slowmul_rtx_costs): Rework cost calculations.
16980         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
16981         (arm_9e_rtx_costs): Likewise.
16982
16983 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
16984
16985         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
16986         relocations of local symbols wider than UNITS_PER_WORD are not valid.
16987         (alpha_legitimize_address): Do not split local symbols wider than
16988         UNITS_PER_WORD into HIGH/LO_SUM parts.
16989
16990 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
16991
16992         PR bootstrap/38580
16993         * gcc.c (process_command): Replace call to execvp with calls
16994         to pex_one and exit.
16995
16996 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
16997
16998         PR target/29141
16999         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
17000         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
17001         variant for devices with 3-byte PC.
17002         (__tablejump_elpm__): New.
17003
17004 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
17005
17006         PR c/32041
17007         * c-parser.c (c_parser_postfix_expression): Allow `->' in
17008         offsetof member-designator, handle it as `[0].'.
17009
17010 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17011
17012         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
17013         function when not using named sections on targets with named sections
17014         if branch distance is less than 262132.
17015
17016 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
17017
17018         * combine.c (combine_instructions):  Recompute
17019         optimize_this_for_speed_p  for each BB in the main combine loop.
17020
17021 2009-01-12  Tomas Bily  <tbily@suse.cz>
17022
17023         PR middlend/38385
17024         * tree-loop-distribution.c (prop_phis): New function.
17025         (generate_builtin): Call prop_phis.
17026         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
17027
17028 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
17029
17030         PR tree-optimization/38807
17031         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
17032         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
17033
17034 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
17035
17036         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
17037         subreg of op0 to the original op0.
17038
17039 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
17040
17041         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
17042
17043 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
17044
17045         PR debug/7055
17046         * mips-tfile.c (parse_def): Fix parsing of def strings
17047         starting with digits.
17048
17049 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
17050
17051         PR target/38695
17052         * config/arm/arm.c (arm_is_long_call_p): Don't call
17053         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
17054
17055 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
17056
17057         * regrename.c (regrename_optimize): Fix dumping.
17058         (find_oldest_value_reg): Preserve REG_POINTER.
17059         (copy_hardreg_forward_1): Likewise.
17060
17061 2009-01-09  Diego Novillo  <dnovillo@google.com>
17062
17063         * gimple.h (struct gimple_statement_base) <uid>: Document
17064         the restrictions on its use.
17065         (gimple_uid): Tidy.
17066         (gimple_set_uid): Tidy.
17067
17068 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
17069
17070         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
17071         zero guard even if align_bytes != 0 and count is smaller than
17072         size_needed.
17073
17074 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
17075
17076         PR rtl-optimization/38495
17077         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
17078         (add_range_and_copies_from_move_list): Print all added ranges.
17079         Add ranges to memory optimized destination.
17080
17081 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
17082
17083         PR target/38686
17084         PR target/38708
17085         * config/i386/i386.c (override_options): Reject
17086         -mstringop-strategy=rep_8byte with -m32.
17087         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
17088         to 1.  Do count comparison against epilogue_size_needed at compile
17089         time even when count_exp was constant forced into register.  For
17090         size_needed don't jump to epilogue, instead just avoid aligning
17091         and invoke the body algorithm.  If need_zero_guard, add zero guard
17092         even if count is non-zero, but smaller than size_needed + number of
17093         bytes that could be stored for alignment.
17094         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
17095         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
17096         but smaller than size_needed + number of bytes that could be stored
17097         for alignment.  Compare size_needed with epilogue_size_needed instead
17098         of desired_align - align, don't adjust size_needed, pass
17099         epilogue_size_needed to the epilogue expanders.
17100
17101         PR c/35742
17102         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
17103
17104 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17105
17106         * pa.c (last_address): Change to unsigned.
17107         (update_total_code_bytes): Change argument to unsigned.  Don't
17108         check if insn addresses are set.
17109         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
17110         addresses are not set.
17111         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
17112
17113 2009-01-09  Nick Clifton  <nickc@redhat.com>
17114
17115         * config/sh/symbian.c: Replace uses of DECL_INLINE with
17116         DECL_DECLARED_INLINE_P.
17117
17118 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
17119
17120         PR middle-end/38347
17121         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
17122         GET_MODE (op0) in operand_subword_force calls.
17123
17124         PR middle-end/38771
17125         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
17126         fold_convert arg0 operands to TREE_TYPE (op0) first.
17127
17128 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
17129
17130         * params.def (ira-max-conflict-table-size): Decrease default value
17131         to 1000.
17132
17133 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
17134
17135         PR tree-optimization/37031
17136         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
17137         on parameter_set.
17138         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
17139         allocate it using gc instead of heap, use VEC_quick_push instead of
17140         VEC_safe_push.
17141         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
17142         instead of heap, use VEC_quick_push instead of VEC_safe_push.
17143         * tree-data-ref.h (struct access_matrix): Change matrix to gc
17144         allocated vector from heap allocated.
17145         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
17146         * tree-loop-linear.c (linear_transform_loops): Allocate nest
17147         vector only after perfect_loop_nest_depth call.
17148
17149 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
17150             Jan Sjodin  <jan.sjodin@amd.com>
17151
17152         PR tree-optimization/38559
17153         * graphite.c (debug_value, copy_constraint,
17154         swap_constraint_variables, scale_constraint_variable, ): New.
17155         (get_lower_bound, get_upper_bound): Removed.
17156         (graphite_trans_bb_strip_mine): Clean up this code that works
17157         only for constant number of iterations.  Fully copy upper and
17158         lower bound constraints, not only the constant part of them.
17159         * graphite.h (debug_value): Declared.
17160
17161 2009-01-08  Ira Rosen  <irar@il.ibm.com>
17162
17163         PR tree-optimization/37194
17164         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
17165         Don't add the cost of cost model guard in prologue to scalar
17166         outside cost in case of known number of iterations.
17167
17168 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
17169             Alan Modra  <amodra@bigpond.net.au>
17170
17171         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
17172         non-word-aligned REG+CONST addressing.
17173
17174 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
17175
17176         PR target/38706
17177         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
17178         free_after_compilation when outputting a thunk.
17179         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
17180         Do not call free_after_compilation here.
17181
17182 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
17183
17184         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
17185         (ix86_valid_target_attribute_inner_p): Ditto.
17186
17187 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
17188
17189         PR tree-optimization/38492
17190         PR tree-optimization/38498
17191         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
17192         * tree-chrec.h (scev_is_linear_expression): Declared.
17193         * graphite.c (graphite_cannot_represent_loop_niter): New.
17194         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
17195         (graphite_loop_normal_form): Use gcc_assert.
17196         (scan_tree_for_params): Use CASE_CONVERT.
17197         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
17198         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
17199         Use gcc_assert.  Discard scops that contain unhandled cases.
17200         (build_scop_conditions): Return a boolean status for unhandled cases.
17201         (strip_mine_profitable_p): Print the loop number, not its depth.
17202         (is_interchange_valid): Pass the depth of the loop nest, don't
17203         recompute it wrongly.
17204         (graphite_trans_bb_block): Same.
17205         (graphite_trans_bb_block): Print tentative of loop blocking.
17206         (graphite_trans_scop_block): Do not print that the loop has been
17207         blocked.
17208         (graphite_transform_loops): Do not handle scops that contain condition
17209         scalar phi nodes.
17210
17211 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
17212
17213         AVX Programming Reference (December, 2008)
17214         * config/i386/avxintrin.h (_mm256_stream_si256): New.
17215         (_mm256_stream_pd): Likewise.
17216         (_mm256_stream_ps): Likewise.
17217
17218         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
17219         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
17220         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
17221         (bdesc_special_args): Add __builtin_ia32_movntdq256,
17222         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
17223         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
17224         (ix86_expand_special_args_builtin): Likewise.
17225
17226         * config/i386/sse.md (AVXMODEDI): New.
17227         (avx_movnt<mode>): Likewise.
17228         (avx_movnt<mode>): Likewise.
17229         (<sse>_movnt<mode>): Remove AVX support.
17230         (sse2_movntv2di): Likewise.
17231
17232 2009-01-07  Richard Guenther  <rguenther@suse.de>
17233
17234         PR middle-end/38751
17235         * fold-const.c (extract_muldiv): Remove obsolete comment.
17236         (fold_plusminus_mult_expr): Undo MINUS_EXPR
17237         to PLUS_EXPR canonicalization for the canonicalization.
17238
17239 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
17240
17241         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
17242         hosted cross-compilers generating less efficient code.
17243
17244 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
17245
17246         * function.h (rtl_data): Add a dbr_scheduled_p field.
17247         * reorg.c (dbr_schedule): Set it.
17248         (gate_handle_delay_slots): Check it.
17249         * config/mips/mips.c (mips_base_delayed_branch): Delete.
17250         (mips_reorg): Check flag_delayed_branch instead of
17251         mips_base_delayed_branch.
17252         (mips_override_options): Don't set mips_base_delayed_branch
17253         or flag_delayed_branch.
17254
17255 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
17256
17257         PR rtl-optimization/38426.
17258         * ira.c (ira): Set current_function_is_leaf earlier.
17259
17260 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
17261
17262         PR rtl-optimization/38722
17263         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
17264         too early, only set a flag and modify after last possible
17265         undo_all point.
17266
17267 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
17268
17269         PR c/34252
17270         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
17271         * real.c (decimal_single_format): Correct values of emin and emax.
17272         (decimal_double_format): Ditto.
17273         (decimal_quad_format): Ditto.
17274         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
17275         computation of DECnn_MIN and DECnn_MAX for corrected values of
17276         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
17277         __DECnn_MIN__, and adjust its computation for the corrected value
17278         of emin.
17279
17280 2009-01-06  Jan Hubicka  <jh@suse.cz>
17281
17282         PR target/38744
17283         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
17284
17285 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
17286
17287         * doc/contrib.texi (Contributors): Slightly adjust the end note.
17288         Add Robert Clark to the list of testers.
17289
17290 2009-01-06  Jan Hubicka  <jh@suse.cz>
17291             Kai Tietz  <kai.tietz@onevision.com>
17292
17293         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
17294         * config/i386/i386.c (ix86_expand_call): Add clobbers.
17295
17296 2009-01-06  Jan Hubicka  <jh@suse.cz>
17297             Kai Tietz  <kai.tietz@onevision.com>
17298
17299         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
17300         for w64 ABI.
17301         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
17302         (ix86_nsaved_regs): Count only general purpose regs.
17303         (ix86_nsaved_sseregs): New.
17304         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
17305         to 16 for w64; compute padding and size of sse reg save area.
17306         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
17307         general purpose regs.
17308         (ix86_emit_save_sse_regs_using_mov): New.
17309         (ix86_expand_prologue): Save SSE regs if needed.
17310         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
17311         (ix86_emit_restore_sse_regs_using_mov): New.
17312         (ix86_expand_epilogue): Save SSE regs if needed.
17313
17314 2009-01-06  Jan Hubicka  <jh@suse.cz>
17315             Kai Tietz  <kai.tietz@onevision.com>
17316
17317         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
17318         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
17319         functions when accumulate outgoing args is off.
17320
17321 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
17322
17323         PR bootstrap/38742
17324         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
17325         before using pseudos_have_intersected_live_ranges_p.
17326
17327         * ira-int.h (ira_assert): Always define.
17328
17329 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
17330
17331         AVX Programming Reference (December, 2008)
17332         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
17333         (_mm256_permute2_pd): Likewise.
17334         (_mm_permute2_ps): Likewise.
17335         (_mm256_permute2_ps): Likewise.
17336         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
17337         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
17338
17339         * config/i386/i386.c (ix86_builtins): Remove
17340         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
17341         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
17342         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
17343         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
17344         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
17345         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
17346         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
17347         __builtin_ia32_vpermil2ps256.
17348         (ix86_init_mmx_sse_builtins): Updated.
17349         (ix86_expand_args_builtin): Likewise.
17350
17351 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17352
17353         * pa.c (output_call): Relocate non-jump insns in the delay slot of
17354         long absolute calls when generating PA 2.0 code.
17355
17356 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
17357
17358         PR rtl-optimization/38583
17359         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
17360
17361         * params.def (ira-max-conflict-table-size): New.
17362
17363         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
17364
17365         * ira.h (ira_conflicts_p): New external definition.
17366
17367         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
17368         table.  Report this.  Return result of building.
17369         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
17370         building conflict table.
17371
17372         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
17373         (ira_color): Use ira_conflicts_p.
17374
17375         * global.c: Include ira.h.
17376         (pseudo_for_reload_consideration_p, build_insn_chain): Use
17377         ira_conflicts_p.
17378
17379         * Makefile.in (global.o): Add ira.h.
17380
17381         * ira-build.c (mark_all_loops_for_removal,
17382         propagate_some_info_from_allocno): New.
17383         (remove_unnecessary_allocnos): Call
17384         propagate_some_info_from_allocno.
17385         (remove_low_level_allocnos): New.
17386         (remove_unnecessary_regions): Add parameter.  Call
17387         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
17388         parameter to remove_unnecessary_regions.
17389         (ira_build): Remove all regions but root if the conflict table was
17390         not built.  Update conflict hard regs for allocnos crossing calls.
17391
17392         * ira.c (ira_conflicts_p): New global.
17393         (ira): Define and use ira_conflicts_p.
17394
17395         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
17396         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
17397         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
17398
17399 2009-01-06  Ben Elliston  <bje@au.ibm.com>
17400
17401         * gengtype-lex.l (YY_NO_INPUT): Define.
17402
17403 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17404
17405         PR c/34911
17406         * c-common.c (handle_vector_size_attribute): Also reject
17407         BOOLEAN_TYPE types.
17408
17409 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
17410
17411         PR tree-optimization/38492
17412         * graphite.c (rename_map_elt, debug_rename_elt,
17413         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
17414         rename_map_elt_info, eq_rename_map_elts,
17415         get_new_name_from_old_name, bb_in_sese_p): Moved around.
17416         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
17417         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
17418         (sese_build_livein_liveouts): New.
17419         (new_sese, free_sese): New.
17420         (new_scop): Call new_sese.
17421         (free_scop): Call free_sese.
17422         (rename_variables_from_edge, rename_phis_end_scop): Removed.
17423         (register_old_new_names): Renamed register_old_and_new_names.
17424         (register_scop_liveout_renames, add_loop_exit_phis,
17425         insert_loop_close_phis, struct igp,
17426         default_liveout_before_guard, add_guard_exit_phis,
17427         insert_guard_phis, copy_renames): New.
17428         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
17429         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
17430         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
17431         (scop_adjust_phis_for_liveouts): New.
17432         (gloog): Call scop_adjust_phis_for_liveouts.
17433
17434         * graphite.h (struct sese): Documented.  Added fields liveout,
17435         num_ver and livein.
17436         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
17437         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
17438         (struct scop): Added field liveout_renames.
17439         (SCOP_LIVEOUT_RENAMES): New.
17440
17441 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
17442
17443         PR tree-optimization/38510
17444         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
17445         (translate_clast): Call recompute_all_dominators before
17446         graphite_verify.
17447         (gloog): Call recompute_all_dominators before graphite_verify.
17448
17449 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
17450             Jan Sjodin  <jan.sjodin@amd.com>
17451
17452         PR tree-optimization/38500
17453         * graphite.c (create_sese_edges): Call fix_loop_structure after
17454         splitting blocks.
17455
17456 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
17457
17458         * config.gcc: Add m32r*-*-rtems*.
17459         * config/m32r/rtems.h: New file.
17460
17461 2009-01-05  Ben Elliston  <bje@au.ibm.com>
17462
17463         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
17464         (.po.pox): Likewise.
17465         (po/gcc.pot): Likewise.
17466
17467 2009-01-04  David S. Miller  <davem@davemloft.net>
17468
17469         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
17470         (STARTING_FRAME_OFFSET): Always set to zero.
17471
17472 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
17473
17474         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
17475         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
17476         fixed-point types, and vectors of the same.
17477
17478 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
17479
17480         * config/mips/sync.md (*mb_barrier): Rename to...
17481         (*memory_barrier): ...this.
17482
17483 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
17484
17485         * doc/extend.texi (Function Attributes): Move @cindex after @item
17486         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
17487         and put in alphabetical order. Fix 'target' name and put in order.
17488         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
17489         typos.
17490
17491 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
17492
17493         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
17494         (memory_barrier): Expand as unspec instead of unspec_volatile.
17495         Remove mem:BLK from insn operands.  Use Pmode scratch register.
17496         (*memory_barrier): Define as unspec instead of unspec_volatile.
17497         Use (match_dup 0) as input operand.
17498
17499         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
17500         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
17501         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
17502         scratch register.  Remove operand 1.
17503         (*stbar): Define as unspec instead of unspec_volatile.
17504         Use (match_dup 0) as input operand, remove (const_int 8).
17505         (*membar): Define as unspec instead of unspec_volatile.
17506         Use (match_dup 0) as input operand, remove input operand 2.
17507
17508         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
17509         (memory_barrier): Expand as unspec instead of unspec_volatile.
17510         Remove mem:BLK from insn operands.  Use Pmode scratch register.
17511         (*memory_barrier): Define as unspec instead of unspec_volatile.
17512         Use (match_dup 0) as input operand.
17513
17514         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
17515         Remove mem:BLK from insn operands.  Use Pmode scratch register.
17516         Set volatile flag on operand 0.
17517         (*memory_barrier): New insn pattern.
17518
17519         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
17520         insn operands.
17521         (*memory_barrier): Use (match_dup 0) as input operand.
17522
17523         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
17524         Remove mem:BLK from insn operands.  Use Pmode scratch register.
17525         Set volatile flag on operand 0.
17526         (*mb_internal): New insn pattern.
17527
17528         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
17529
17530 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
17531
17532         PR middle-end/38586
17533         * function.c (struct temp_slot): Move to the section of the file
17534         that deals with temp slots.  Remove field 'address'.
17535         (temp_slot_address_table): New hash table of address -> temp slot.
17536         (struct temp_slot_address_entry): New struct, items for the table.
17537         (temp_slot_address_compute_hash, temp_slot_address_hash,
17538         temp_slot_address_eq, insert_temp_slot_address): Support functions
17539         for the new table.
17540         (find_temp_slot_from_address): Rewrite to use the new hash table.
17541         (remove_unused_temp_slot_addresses): Remove addresses of temp
17542         slots that have been made available.
17543         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
17544         worker function for remove_unused_temp_slot_addresses.
17545         (assign_stack_temp_for_type): Don't clear the temp slot address list.
17546         Add the temp slot address to the address -> temp slot map.
17547         (update_temp_slot_address): Update via insert_temp_slot_address.
17548         (free_temp_slots): Call remove_unused_temp_slot_addresses.
17549         (pop_temp_slots): Likewise.
17550         (init_temp_slots): Allocate the address -> temp slot map, or empty
17551         the map if it is already allocated.
17552         (prepare_function_start): Initialize temp slot processing.
17553
17554 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
17555
17556         PR middle-end/38584
17557         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
17558         Calculate the size of all stack vars assuming no packing of stack
17559         vars will happen, replacing a quadratic algorithm with a linear one.
17560
17561 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
17562
17563         PR target/38707
17564         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
17565         can't be used.
17566
17567 2009-01-03  Diego Novillo  <dnovillo@google.com>
17568
17569         * doc/contrib.texi: Update contributions.
17570
17571 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
17572
17573         PR c++/38705
17574         * builtins.c (fold_builtin_memory_op): Give up if either operand
17575         is volatile.  Set srctype or desttype to non-qualified version
17576         of the other type.
17577
17578         PR c/38700
17579         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
17580         and FUNCTION_DECLs.
17581
17582 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
17583
17584         PR rtl-optimization/35805
17585         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
17586         problem if fast dce is able to remove any instructions.
17587         * dce.c (dce_process_block): Fix dump message.
17588
17589 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
17590
17591         PR 33649
17592         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
17593
17594 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
17595
17596         PR middle-end/38690
17597         * tree-flow.h (op_code_prio, op_prio): New prototypes.
17598         * tree-pretty-print.c (op_code_prio): New function.
17599         (op_prio): No longer static.  Use op_code_prio.
17600         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
17601         Use op_prio and op_code_prio to determine if () should be
17602         printed around operand(s) or not.
17603
17604         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
17605         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
17606         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
17607         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
17608         pp_character instead of pp_string for single letter printing.
17609
17610 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
17611
17612         * doc/extend.texi: Fix '#pragma GCC option' typo.
17613
17614 2009-01-02  Richard Guenther  <rguenther@suse.de>
17615
17616         * doc/install.texi (--enable-checking): Mention different
17617         default for stage1.
17618         (--enable-stage1-checking): Document.
17619
17620 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
17621
17622         PR middle-end/30142
17623         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
17624         case to be an error.
17625
17626 2009-01-02  Ben Elliston  <bje@au.ibm.com>
17627
17628         * config/fp-bit.h (pack_d): Constify argument.
17629         * config/fp-bit.c (makenan): Constify return type. Remove casts.
17630         (isnan): Constify argument.
17631         (isinf): Likewise.
17632         (iszero): Likewise.
17633         (pack_d): Likewise.
17634         (_fpadd_parts): Constify return type.
17635         (_fpmul_parts): Likewise.
17636         (_fpdiv_parts): Likewise.
17637
17638 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
17639
17640         PR c/36489
17641         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
17642         warn about overwriting initializer with side-effects or
17643         -Woverride-init if !IMPLICIT.
17644         (output_init_element): Likewise.  Pass IMPLICIT down to
17645         add_pending_init.
17646         (process_init_element): Add IMPLICIT argument.  Pass it down
17647         to output_init_element.
17648         (push_init_element, pop_init_level, set_designator): Adjust
17649         process_init_element callers.
17650         (set_nonincremental_init, set_nonincremental_init_from_string):
17651         Adjust add_pending_init callers.
17652         (output_pending_init_elements): Adjust output_init_element callers.
17653         * c-tree.h (process_init_element): Adjust prototype.
17654         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
17655         process_init_element callers.
17656
17657 \f
17658 Copyright (C) 2009 Free Software Foundation, Inc.
17659
17660 Copying and distribution of this file, with or without modification,
17661 are permitted in any medium without royalty provided the copyright
17662 notice and this notice are preserved.