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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
2
3         PR target/39942
4         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
5         .p2align 3 if MAX_SKIP is smaller than 7.
6         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
7
8 2009-05-15  Ian Lance Taylor  <iant@google.com>
9
10         * alias.c (struct alias_set_entry_d): Rename from struct
11         alias_set_entry.  Change all uses.
12         * except.c (struct call_site_record_d): Rename from struct
13         call_site_record.  Change all uses.
14         * except.h (struct eh_region_d): Rename from struct eh_region.
15         Change all uses.
16         * gcse.c (struct hash_table_d): Rename from struct hash_table.
17         Change all uses.
18         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
19         ivtype_map_elt.  Change all uses.
20         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
21         Change all uses.
22         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
23         * graphite.h (struct name_tree_d): Rename from struct name_tree.
24         Change all uses.
25         (struct sese_d): Rename from struct sese.  Change all uses.
26         * omega.h (struct eqn_d): Rename from struct eqn.  Change all
27         uses.
28         (struct omega_pb_d): Rename from struct omega_pb.  Change all
29         uses.
30         * optabs.h (struct optab_d): Rename from struct optab.  Change all
31         uses.
32         (struct convert_optab_d): Rename from struct convert_optab.
33         Change all uses.
34         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
35         ipa_opt_pass.  Change all uses.
36         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
37         all uses.
38
39         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
40         defined as a typedef.
41         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
42         defined as a tag.
43
44 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
45
46         PR 16302
47         * fold-const.c (make_range,build_range_check,merge_ranges): Move
48         declaration to...
49         (merge_ranges): Returns bool. 
50         * tree.h (make_range): .. to here.
51         (build_range_check): Likewise.
52         (merge_ranges): Likewise. Renamed from merge_ranges.
53         * c-typeck.c (parser_build_binary_op): Update calls to
54         warn_logical_operator.
55         * c-common.c (warn_logical_operator): Add new warning.
56         * c-common.h (warn_logical_operator): Update declaration.
57         
58 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
59
60         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong
61         conditional.
62         
63 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
64
65         * doc/install.texi: Document MPC requirements, flags etc.
66
67         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
68         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
69         Evaluate constant arguments.
70         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
71         (fold_builtin_1): Likewise, also evaluate constant arguments.
72         Remove superfluous break.
73         (do_mpc_ckconv): New.
74         * real.h: Include mpc.h.
75         * toplev.c (print_version): Output MPC version info if available.
76
77 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
78
79         * fold-const.c (fold_convert_const_real_from_real): Check for
80         overflow.
81
82 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
83
84         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
85         only once.
86
87 2009-05-15  Jan Hubicka  <jh@suse.cz>
88
89         * doc/invoke.texi (max-early-inliner-iterations): New flag.
90         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
91         (try_inline): Fix return value.
92         (cgraph_decide_inlining_incrementally): Honor new value.
93         (cgraph_early_inlining): Handle indirect inlining.
94         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
95
96 2009-05-15  Jan Hubicka  <jh@suse.cz>
97
98         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
99         * cgraphunit.c (cgraph_finalize_function): Set it.
100         (cgraph_expand_function): Use it.
101
102 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
103
104         * real.c (encode_ieee_half): Define.
105         (decode_ieee_half): Define.
106         (ieee_half_format): Define.
107         (arm_half_format): Define.
108         * real.h (ieee_half_format): Declare.
109         (arm_half_format): Declare.
110
111 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
112
113         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
114         swapped, and reversed optabs exist before trying to use them.
115
116 2009-05-15  Paul Brook  <paul@codesourcery.com>
117             Sandra Loosemore  <sandra@codesourcery.com>
118
119         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
120         loads.  Allow PRE_DEC.
121         (output_move_neon): Handle PRE_DEC.
122         (arm_print_operand): Add 'A' for neon structure loads.
123         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
124         * config/arm/neon.md (neon_mov): Update comment.
125         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
126         calls.
127         (Um): New constraint.
128
129 2009-05-15  Jan Hubicka  <jh@suse.cz>
130
131         Revert the following patch until testsuite fallout is fixed:
132         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
133         * cgraph.h (struct inline_summary): New filed self_wize,
134         size_inlining_benefit, self_time and time_inlining_benefit.
135         (struct cgraph_global_info): Replace insns by time ans size fields.
136         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
137         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
138         (ipcp_update_callgraph): Do not touch function bodies.
139         * ipa-inline.c: Include except.h
140         MAX_TIME: New constant.
141         (overall_insns): Remove
142         (overall_size, max_benefit): New static variables.
143         (cgraph_estimate_time_after_inlining): New function.
144         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
145         (cgraph_clone_inlined_nodes): Update size.
146         (cgraph_mark_inline_edge): Update size.
147         (cgraph_estimate_growth): Use size info.
148         (cgraph_check_inline_limits): Check size.
149         (cgraph_default_inline_p): Likewise.
150         (cgraph_edge_badness): Compute badness based on benefit and size cost.
151         (cgraph_decide_recursive_inlining): Check size.
152         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and times.
153         (cgraph_decide_inlining): Likewise.
154         (cgraph_decide_inlining_incrementally): Likewise; honor PARAM_EARLY_INLINING_INSNS.
155         (likely_eliminated_by_inlining_p): New predicate.
156         (estimate_function_body_sizes): New function.
157         (compute_inline_parameters): Use it.
158         * except.c (must_not_throw_labels): New function.
159         * except.h (must_not_throw_labels): Declare.
160         * tree-inline.c (init_inline_once): Kill inlining_weigths
161         * tree-ssa-structalias.c: Avoid uninitialized warning.
162         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
163         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
164         (PARAM_INLINE_CALL_COST): Remove.
165         (PARAM_EARLY_INLINING_INSNS): New.
166
167 2009-05-15  Richard Guenther  <rguenther@suse.de>
168
169         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
170         not TODO_update_ssa.
171
172 2009-05-15  Richard Guenther  <rguenther@suse.de>
173
174         PR tree-optimization/39999
175         * gimple.h (gimple_expr_type): Use the expression type looking
176         through useless conversions.
177         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
178         (vn_nary_op_insert_stmt): Likewise.
179         (simplify_binary_expression): Likewise.
180
181 2009-05-15  Richard Guenther  <rguenther@suse.de>
182
183         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
184         New options, enabled by default.
185         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
186         Document.
187         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
188         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
189         * tree-ssa-structalias.c (gate_tree_pta): New function.
190         (pass_build_alias): Use it.
191
192 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
193
194         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
195         recurse on an invariant address if a conversion from a pointer
196         type to a wider integer type is involved.
197
198 2009-05-15  Jan Hubicka  <jh@suse.cz>
199
200         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
201         * cgraph.h (struct inline_summary): New filed self_wize,
202         size_inlining_benefit, self_time and time_inlining_benefit.
203         (struct cgraph_global_info): Replace insns by time ans size fields.
204         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
205         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
206         (ipcp_update_callgraph): Do not touch function bodies.
207         * ipa-inline.c: Include except.h
208         MAX_TIME: New constant.
209         (overall_insns): Remove
210         (overall_size, max_benefit): New static variables.
211         (cgraph_estimate_time_after_inlining): New function.
212         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
213         (cgraph_clone_inlined_nodes): Update size.
214         (cgraph_mark_inline_edge): Update size.
215         (cgraph_estimate_growth): Use size info.
216         (cgraph_check_inline_limits): Check size.
217         (cgraph_default_inline_p): Likewise.
218         (cgraph_edge_badness): Compute badness based on benefit and size cost.
219         (cgraph_decide_recursive_inlining): Check size.
220         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and times.
221         (cgraph_decide_inlining): Likewise.
222         (cgraph_decide_inlining_incrementally): Likewise; honor PARAM_EARLY_INLINING_INSNS.
223         (likely_eliminated_by_inlining_p): New predicate.
224         (estimate_function_body_sizes): New function.
225         (compute_inline_parameters): Use it.
226         * except.c (must_not_throw_labels): New function.
227         * except.h (must_not_throw_labels): Declare.
228         * tree-inline.c (init_inline_once): Kill inlining_weigths
229         * tree-ssa-structalias.c: Avoid uninitialized warning.
230         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
231         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
232         (PARAM_INLINE_CALL_COST): Remove.
233         (PARAM_EARLY_INLINING_INSNS): New.
234         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
235         (inline-call-cost): Remove.
236         (early-inlining-insns): New.
237
238 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
239
240         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
241         for bounds.
242         (print_int_cst_bounds_in_octal_p): Likewise.
243         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
244         with subtypes.
245         * dwarf2out.c (base_type_die): Likewise.
246         (is_subrange_type): Delete.
247         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
248         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
249         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it if
250         the destination type is boolean.
251         (build_range_check): Do not special-case subtypes.
252         (fold_sign_changed_comparison): Likewise.
253         (fold_unary): Likewise.
254         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
255         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
256         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
257         * tree.c (subrange_type_for_debug_p): New predicate based on the former
258         is_subrange_type.
259         * tree.h (subrange_type_for_debug_p): Declare.
260         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
261         (convert_affine_scev): Remove call to above function.
262         (chrec_convert_aggressive): Likewise.
263         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
264         false for conversions involving subtypes.
265         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
266         (vrp_val_min): Likewise.
267         (needs_overflow_infinity): Likewise.
268         (extract_range_from_unary_expr): Likewise.
269
270 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
271
272         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
273         * config/frv/frv.c: Likewise.
274         * config/s390/s390.c: Likewise.
275         * config/sparc/sparc.h: Likewise.
276         * config/i386/i386.h: Likewise.
277         * config/i386/i386.c: Likewise.
278         * config/crx/crx.c: Likewise.
279         * config/m68hc11/m68hc11.h: Likewise.
280         * config/iq2000/iq2000.c: Likewise.
281         * config/mn10300/mn10300.h: Likewise.
282         * config/mn10300/mn10300.c: Likewise.
283         * config/m68k/m68k.c: Likewise.
284         * config/rs6000/rs6000.c: Likewise.
285         * config/rs6000/xcoff.h: Likewise.
286         * config/rs6000/linux64.h: Likewise.
287         * config/rs6000/sysv4.h: Likewise.
288         * config/score/score3.c: Likewise.
289         * config/score/score7.c: Likewise.
290         * config/score/score.c: Likewise.
291         * config/arm/arm.md: Likewise.
292         * config/mips/mips.c: Likewise.
293         * config/mips/mips.md: Likewise.
294         * config/bfin/bfin.h: Likewise.
295         * config/pa/pa.c: Likewise.
296         * config/pa/constraints.md: Likewise.
297
298         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
299         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
300         * config/pdp11/pdp11.h: Use memory_address_p instead.
301
302 2009-05-14  Ian Lance Taylor  <iant@google.com>
303
304         * passes.c (finish_optimization_passes): Change i to int.
305         * plugin.c (plugins_active_p): Change event to int.
306         (dump_active_plugins): Likewise.
307         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
308         Add cast.
309         * tree.c (tree_range_check_failed): Change c to unsigned int.
310         (omp_clause_range_check_failed): Likewise.
311         (build_common_builtin_nodes): Change mode to int.  Add cast.
312         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
313         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
314
315         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
316         ++ or -- with a variable of enum type.
317
318 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
319
320         PR driver/40144
321         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
322
323 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
324
325         * store-motion.c: Do not include params.h
326         * Makefile.in: Fix dependencies for various files.
327
328 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
329
330         * auto-inc-dec.c: Fix pass description, remove apparent
331         accidental duplication.
332
333 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
334
335         PR middle-end/40147
336         * ipa-utils.h (memory_identifier_string): Moved to ...
337         * tree.h (memory_identifier_string): Here.  Add GTY(()).
338
339 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
340
341         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
342         in the former documentation of...
343         (GO_IF_LEGITIMATE_ADDRESS): ... this.
344         * ira-conflicts.c (get_dup_num): Use address_operand.
345         * targhooks.c (default_legitimate_address_p): New.
346         * targhooks.h (default_legitimate_address_p): New.
347         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
348         Call hook.
349         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
350         * target.h (struct target): Add legitimate_address_p.
351         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
352         (TARGET_INITIALIZER): Include it.
353
354         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
355         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
356         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
357         (TARGET_LEGITIMATE_ADDRESS_P): New.
358
359         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
360         (REG_OK_STRICT_P): Delete.
361         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
362         (frv_legitimate_address_p_1): ... this.
363         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
364         (frv_legitimate_address_p_1): ... the renamed old
365         frv_legitimate_address_p.
366         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
367         (TARGET_LEGITIMATE_ADDRESS_P): New.
368
369         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
370         * config/s390/s390-protos.h (legitimate_address_p): Remove.
371         * config/s390/s390.c (legitimate_address_p): Rename to...
372         (s390_legitimate_address_p): ... this, make static.
373         (legitimize_address): Adjust call.
374         (TARGET_LEGITIMATE_ADDRESS_P): New.
375         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
376
377         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
378         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
379         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
380         (TARGET_LEGITIMATE_ADDRESS_P): New.
381
382         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
383         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
384         * config/spu/spu.c (spu_legitimate_address): Rename to...
385         (spu_legitimate_address_p): ... this, make static.
386         (TARGET_LEGITIMATE_ADDRESS_P): New.
387
388         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
389         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
390         * config/sparc/sparc.c (legitimate_address_p): Rename to...
391         (sparc_legitimate_address_p): ... this, make static and return bool.
392         (legitimize_address): Adjust call.
393         (TARGET_LEGITIMATE_ADDRESS_P): New.
394
395         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
396         * config/i386/i386-protos.h (legitimate_address_p): Remove.
397         * config/i386/i386.c (legitimate_address_p): Rename to...
398         (ix86_legitimate_address_p): ... this, make static.
399         (constant_address_p): Move after it, adjust call.
400         (TARGET_LEGITIMATE_ADDRESS_P): New.
401
402         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
403         * config/avr/avr-protos.h (legitimate_address_p): Remove.
404         * config/avr/avr.c (legitimate_address_p): Rename to...
405         (avr_legitimate_address_p): ... this, make static.
406         (legitimize_address): Adjust call.
407         (TARGET_LEGITIMATE_ADDRESS_P): New.
408
409         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
410         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
411         * config/crx/crx.c (crx_legitimate_address_p): Make static.
412         (TARGET_LEGITIMATE_ADDRESS_P): New.
413
414         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
415         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
416         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
417         (TARGET_LEGITIMATE_ADDRESS_P): New.
418
419         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
420         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
421         Remove.
422         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
423         Make static.
424         (TARGET_LEGITIMATE_ADDRESS_P): New.
425
426         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
427         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
428         Remove.
429         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
430         Rename to...
431         (m68hc11_legitimate_address_p): ... this, make static.
432         (go_if_legitimate_address_internal): Rename to...
433         (m68hc11_legitimate_address_p_1): ... this.
434         (legitimize_address): Adjust call.
435         (TARGET_LEGITIMATE_ADDRESS_P): New.
436
437         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
438         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p):
439         Remove.
440         * config/iq2000/iq2000.c (iq2000_legitimate_address_p):
441         Make static.
442         (TARGET_LEGITIMATE_ADDRESS_P): New.
443
444         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
445         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
446         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
447         (mn10300_legitimate_address_p): ... this, make static.
448         (TARGET_LEGITIMATE_ADDRESS_P): New.
449
450         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
451         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
452         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
453         (TARGET_LEGITIMATE_ADDRESS_P): New.
454
455         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
456         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
457         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
458         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
459         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
460         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
461         (rs6000_legitimate_address_p): ... this, make static.
462         (TARGET_LEGITIMATE_ADDRESS_P): New.
463         (REG_MODE_OK_FOR_BASE_P): Delete.
464         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
465
466         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
467         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
468         Delete.
469         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
470         static, adjust types.
471         (TARGET_LEGITIMATE_ADDRESS_P): New.
472
473         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
474         * config/score/score.c (score_address_p): Rename to...
475         (score_legitimate_address_p): ... this.
476         (TARGET_LEGITIMATE_ADDRESS_P): New.
477         * config/score/score3.c (score3_address_p): Rename to...
478         (score3_legitimate_address_p): ... this.
479         * config/score/score7.c (score7_address_p): Rename to...
480         (score7_legitimate_address_p): ... this.
481
482         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
483         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
484         GO_IF_LEGITIMATE_ADDRESS): Delete.
485         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
486         thumb2_legitimate_address_p): Delete.
487         (arm_legitimate_address_p): Rename to...
488         (arm_legitimate_address_outer_p): ... this.
489         * config/arm/constraints.md ("Uq"): Adjust call.
490         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
491         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one to...
492         (arm_legitimate_address_outer_p): ... this.
493         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make static.
494         (TARGET_LEGITIMATE_ADDRESS_P): New.
495
496         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
497         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
498         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
499         (TARGET_LEGITIMATE_ADDRESS_P): New.
500
501         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
502         * config/vax/vax-protos.h (legitimate_address_p): Remove.
503         * config/vax/vax.c (legitimate_address_p): Rename to...
504         (vax_legitimate_address_p): ... this, make static.
505         (TARGET_LEGITIMATE_ADDRESS_P): New.
506
507         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
508         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
509         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
510         (TARGET_LEGITIMATE_ADDRESS_P): New.
511
512         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
513         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
514         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
515         (mmix_legitimate_address_p): ... this, make static.
516         (TARGET_LEGITIMATE_ADDRESS_P): New.
517
518         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
519         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
520         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
521         (TARGET_LEGITIMATE_ADDRESS_P): New.
522
523 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
524
525         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
526         of MODE_COMPLEX_INT.
527
528 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
529
530         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
531         LCT_NORMAL in function call.
532         * mips-tdump.c (print_file_desc): Add cast to enum type.
533         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
534         (mark_stabs): Add casts to enum types.
535         (parse_stabs_common): Add casts to enum types.
536
537 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
538
539         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
540         Check for invalid values of LETTER.
541
542 2009-05-13  Taras Glek  <tglek@mozilla.com>
543
544         * attribs.c (register_attribute): moved out attribute registration into
545         register_attribute.
546         * doc/plugins.texi: Documented register_attribute and PLUGIN_ATTRIBUTES.
547         * gcc-plugin.h: Added forward decl for register_attribute.
548         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
549         * plugin.c (register_callback, invoke_plugin_callbacks): Added
550         PLUGIN_ATTRIBUTES boilerplate.
551
552 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
553
554         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
555         values even in sentinel and empty entries.
556         (ms_printf_flag_specs):  Likewise.
557         (ms_scanf_flag_specs):  Likewise.
558         (ms_strftime_flag_specs):  Likewise.
559         (ms_print_char_table):  Likewise.
560         (ms_scan_char_table):  Likewise.
561         (ms_time_char_table):  Likewise.
562
563 2009-05-13  Doug Kwan  <dougkwan@google.com>
564
565         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
566
567 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
568
569         * config/mips/mips.md (store): Add attributes for QI and HI.
570         Update comment.
571         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
572         (truncdi<mode>2): ... this new pattern.
573
574 2009-05-13  Brad Hards  <bradh@kde.org>
575
576         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
577
578 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
579             Ben Elliston <bje@au.ibm.com>
580
581         PR middle-end/40035
582         * dse.c (check_mem_read_rtx): Guard against width == -1.
583
584 2009-05-13  Michael Matz  <matz@suse.de>
585
586         PR middle-end/39976
587         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
588         (trivially_conflicts_p): New function.
589         (insert_backedge_copies): Use it.
590
591 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
592
593         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
594         (handle_stdc_pragma): Use new enum constant names.
595         (handle_pragma_float_const_decimal64): Ditto.
596
597 2009-05-13  Ian Lance Taylor  <iant@google.com>
598
599         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
600         tree.def.
601
602 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
603
604         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
605         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
606         multilibs.
607         * config/m68k/m68k.h (FL_UCLINUX): Define.
608
609 2009-05-13  Jan Hubicka  <jh@suse.cz>
610
611         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
612
613 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
614
615         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
616         unless -fschedule-insns is specified.
617
618 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
619
620         PR target/39561
621         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
622         TARGET_EXPAND_CBRANCHDI4.
623         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
624         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
625         (cmpeqdi): Fix comment.
626
627 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
628
629         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
630         (sh_legitimate_address_p): Likewise.
631         * config/sh/sh.c (sh_legitimate_index_p): New.
632         (sh_legitimate_address_p): Likewise.
633         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
634         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
635         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
636         (MAYBE_BASE_REGISTER_RTX_P): New macro.
637         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
638         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
639         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
640         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
641         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
642
643 2009-05-12  Jan Hubicka  <jh@suse.cz>
644
645         * tree-inline.c (estimate_operator_cost): Add operands;
646         when division happens by constant, it is cheap.
647         (estimate_num_insns): Loads and stores are not having cost of 0;
648         EH magic stuff is cheap; when computing runtime cost of switch,
649         use log2 base of amount of its cases; builtin_expect has cost of 0;
650         compute cost for moving return value of call.
651         (init_inline_once): Initialize time_based flags.
652         * tree-inline.h (eni_weights_d): Add time_based flag.
653
654 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
655
656         * df-core.c: Update head documentation.
657
658 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
659
660         PR bootstrap/40118
661         * rs6000.c (rs6000_generate_compare): Use op1b instead of
662         shadowing exisiting variable op1.
663
664 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
665
666         PR target/37179
667         * config/i386/driver-i386.c (processor_signatures): New enum.
668         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
669         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
670         processor signature to detect geode processor.
671
672 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
673
674         Revert:
675
676         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
677
678         * optabs.c (prepare_cmp_insn): Temporarily disable test that
679         causes spurious differences between trunk and cond-optab branch.
680
681 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
682
683         * dojump.c (compare_from_rtx): Delete.
684         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
685         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
686         if the comparison does not satisfy the predicate; test predicates for
687         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
688         further if one existing pattern fails.
689         * expr.h (compare_from_rtx): Delete.
690         (prepare_operand): Declare it.
691         * optabs.c: Change "lib call" to "libcall" throughout.
692         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
693         HAVE_conditional_trap, emit_cmp_insn): Delete.
694         (can_compare_p): Delete cmp_optab case.
695         (prepare_float_lib_cmp): Return an rtx and a machine mode.
696         Accept other parameters by value.
697         (prepare_operand): Make non-static.
698         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
699         other parameters by value.  Try to widen operands here based on
700         an optab_methods argument and looking at cbranch_optab.
701         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
702         loop.  Use cbranch_optab directly.
703         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
704         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
705         assertion.
706         (emit_conditional_move, emit_conditional_add): Inline what's needed
707         of compare_from_rtx, using new prepare_cmp_insn for the rest.
708         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
709         with COMPARE.  Move cmov_optab and cstore_optab above
710         with cbranch_optab, move cmp_optab down with ucmp_optab,
711         remove tst_otpab.  Do not initialize trap_rtx.
712         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
713         for trap code.  Do not check HAVE_conditional_trap.  Use
714         prepare_cmp_insn.  Accept no predicate for operand 3.
715         * optabs.h (OTI_cmp): Mark as used only for libcalls.
716         (OTI_ctrap, ctrap_optab): New.
717         (tst_optab): Delete.
718         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
719         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
720         with lookup of ctrap_optab.
721         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
722         setcc_gen_code): Delete.
723         (ctrap_optab): New.
724
725         * combine.c (combine_simplify_rtx, simplify_set): Do not
726         special case comparing against zero for cc0 machines.
727         * simplify-rtx.c (simplify_binary_operation_1): Never remove
728         COMPARE on cc0 machines.
729         (simplify_relational_operation): Return a new expression when
730         a COMPARE could be removed.
731         * final.c (final_scan_insn): Compare cc_status values
732         against LHS of a (compare FOO (const_int 0)) cc0 source.
733         Also check if cc_status.value is the full compare.
734
735         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
736         (cstoreMM4): Document.
737         (conditional_trap): Document ctrapMM4 instead.
738         (sync_compare_and_swapMM): Refer to cbranchcc4.
739         (Dependent Patterns): Eliminate obsolete information referring to
740         the old jump optimization phase.
741         (Canonicalization): Include cbranchcc4 case, omit canonicalization
742         of compares with 0 on cc0 machines.
743         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
744         avoiding references to cc0.  Remove text about storing operands
745         in cmpMM.
746         * doc/tm.texi (Condition Codes): Include blurb on different
747         condition code representations, separate into subsections for
748         CC0, MODE_CC and conditional execution.
749
750         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
751         alpha_emit_setcc): Accept operands and a machine mode.
752         * config/alpha/alpha.c (alpha_emit_conditional_branch):
753         Get code/op0/op1 from operands, use machine mode argument
754         instead of alpha_compare.fp_p.  Emit the branch here.
755         (alpha_emit_setcc): Likewise, and return boolean.
756         (alpha_emit_conditional_move): Likewise.  Assert that
757         cmp_op_mode == cmp_mode, and simplify accordingly.
758         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
759         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
760         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
761         Delete.
762         (stack probe test): Use cbranchdi4.
763         * config/alpha/predicates.md (alpha_cbranch_operator): New.
764
765         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
766         * config/arc/arc.h (movsicc, movsfcc): Use it.
767         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
768         (cbranchsi4, cstoresi4): New.
769         (cmpsi, bCC and sCC expanders): Remove. 
770
771         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
772         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
773         * config/arm/predicates.md (arm_comparison_operator): Only include
774         floating-point operators if there is a hardware floating-point unit.
775         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
776         deferring to cbranch_cc and cstore_cc respectively.
777         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
778         cbranch_cc, cstore_cc): New.
779         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
780         arm_compare_op1.
781         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
782
783         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
784         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
785         as an argument.
786         (adjust_insn_length): Adjust calls.
787         (avr_reorg): Handle (compare (foo) (const_int 0)).
788         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
789         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
790         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
791         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
792         (bCC): Remove.
793         (cbranchqi4, cbranchhi4, cbranchsi4): New.
794         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
795
796         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
797         (cbranchsi4, cstorebi4, cstoresi4): New.
798         (movbisi): This insn is duplicate, split it to zero_extend.
799         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
800         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
801         (bfin_optimize_loop): Use cbranch expander.
802         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
803         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
804         (bfin_bimode_comparison_operator): ... this.
805         (bfin_direct_comparison_operator): New.
806  
807         * config/cris/cris.c (cris_normal_notice_update_cc): Look
808         inside (compare FOO (const_int 0)).
809         (cris_rtx_costs): Handle ZERO_EXTRACT.
810         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
811         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
812         (*tstdi_v32): Delete.
813         (*cmpdi_non_v32): Add M alternative for operand 1.
814         (cmpsi, cmp<mode>): Make private.
815         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
816         with COMPARE.
817         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
818
819         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
820         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
821         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
822         (cc_reg_operand): New.
823         (any_cond): Delete.
824         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
825         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
826         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
827         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
828         crx_expand_scond): Delete.
829
830         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
831         (cbranchsi4): New.
832         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
833         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
834
835         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
836         cstoresi4, cstoresf4, cstoredf4): New.
837         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
838         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
839         Receive the entire operands array.
840         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
841         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
842         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
843         Get test/op0/op1 from the operands array.
844         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
845
846         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
847         (h8300_expand_store): New.
848         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
849         (const_int 0)).
850         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
851         (h8300_expand_store): New.
852         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
853         or do not try to produce (set (cc0) REG).
854         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
855         change a compare into a move to a scratch register.  Disable some
856         peepholes when comparing with zero.
857         (tstsi, tsthi, tstsi, cmpqi): Make private.
858         (cmphi): Delete.
859         (bCC, sCC): Delete.
860         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
861         cstoresi4): New.
862
863         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
864         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
865         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
866         (ix86_emit_i387_log1p): Use cbranchxf2.
867         (ix86_expand_setcc): Return void.
868         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
869         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
870         cmp<MODEF>, cmpcc): Remove.
871         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
872         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
873         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
874         (sCC and bCC expanders): Remove.
875         (stack_protect_test): Use cbranchcc4.
876
877         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
878         Delete.
879         (ia64_expand_compare): Accept three rtx by reference and return void.
880         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
881         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
882         from *expr.  Update *expr with the BImode comparison to do.
883         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
884         cmptf, bCC, sCC, conditional_trap): Delete.
885         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
886         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
887         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
888         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
889         * config/ia64/predicates.md (ia64_cbranch_operator): New.
890
891         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
892         type of last argument.
893         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
894         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
895         use machine mode argument instead of branch_type.  Remove dead
896         code for floating-point comparisons.
897         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
898         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
899         Remove.
900         (cbranchsi4, cstoresi4): New.
901         * config/iq2000/predicates.md (reg_or_const_operand): New.
902
903         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
904         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
905         (b<code>_op): Rewrite to...
906         (bcc_op): ... this, using match_operator.
907         (s<code>_op): Rewrite to...
908         (scc_op): ... this, using match_operator.
909         (s<code>_24_op): Rewrite to...
910         (scc_op_24): ... this, using match_operator.
911         (s<code>_<mode>): Rewrite to...
912         (cstore<mode>4): ... this, using match_operator.
913         (s<code>_<mode>_24): Rewrite to...
914         (cstore<mode>4_24): ... this, using match_operator.
915         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
916         m32c_unpend_compare, m32c_expand_scc): Delete.
917         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
918         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
919         (m32c_expand_movcc): Change NE to EQ if necessary.
920         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
921
922         * config/m32r/m32r-protos.h (gen_cond_store): New.
923         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
924         (gen_cond_store): New, from sCC patterns.
925         (m32r_expand_block_move): Use cbranchsi4.
926         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
927         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
928         (cbranchsi4, cstoresi4): New.
929         
930         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
931         Delete.
932         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
933         (m68hc11_notice_update_cc): Look into a compare with 0.
934         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
935         Delete.
936         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
937         cmphi, cmpqi, bCC): Delete.
938         (cbranchsi4, cbranchhi4, cbranchqi4): New.
939         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
940         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
941         sets with COMPARE.
942
943         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
944         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
945         * config/m68k/constraints.md (H): New.
946         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
947         the define_insn below.
948         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
949         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
950         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
951         patterns): Wrap RHS with COMPARE.
952         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
953         (*cmpdi_internal): Name this pattern.
954         (cmpdi): Change to define_insn.
955         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
956         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
957         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
958         predicate.
959         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
960         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
961         (conditional_trap): Change to...
962         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
963         (*conditional_trap): Use the ordered_comparison_operator and
964         const1_operand predicates.
965         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
966         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
967         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
968         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
969
970         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
971         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
972         (mcore_gen_compare): New. 
973         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
974         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
975         (mcore_gen_compare): ... this.
976         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
977         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
978         (stack probe pattern): Use cbranchsi4.
979
980         * config/mips/predicates.md (mips_cstore_operator): New.
981         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
982         * config/mips/mips.md (any_cond): Delete.
983         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
984         always succeed.
985         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
986         fixuns_truncsfdi2): Use cbranch patterns.
987         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
988         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
989         Adjust call to mips_expand_conditional_branch.
990         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
991         cstore<GPR:mode>4.
992         * config/mips/mips-protos.h (mips_expand_conditional_branch,
993         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
994         * config/mips/mips.c (cmp_operands): Delete.
995         (mips_emit_compare): Get comparison operands from *op0/*op1.
996         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
997         that it succeeds.  Use op0/op1 instead of cmp_operands.
998         (mips_expand_conditional_branch, mips_expand_conditional_move,
999         mips_expand_conditional_trap): Likewise.
1000         (mips_block_move_loop): Use cbranch patterns. 
1001         * config/mips/mips.h (cmp_operands): Delete.
1002
1003         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
1004         (mmix_gen_compare_reg): Just return a register in the right CC mode.
1005         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
1006         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
1007         (*cmpcc_folded): Rename to...
1008         (*cmpdi_folded): this.
1009         (*cmpcc): Rename to...
1010         (*cmps): ... this.
1011         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
1012         (bCC): Remove.
1013         (cbranchdi4): New.
1014         (cbranchdf4): New.  Handle invalid comparisons here.
1015         * config/mmix/predicates.md (float_comparison_operator): New.
1016
1017         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
1018         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
1019         * config/mn10300/mn10300.md (tst): Delete.
1020         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
1021         Name these patterns and wrap RHS in a compare.
1022         (*cmpsi): Make this pattern private.  Include tst.
1023         (*cmpsf): Make this pattern private.
1024         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
1025         (compare with zero peepholes): Likewise.
1026         (bCC): Remove.
1027         (cbranchsi4, cbranchsf4): New.
1028         (casesi): Use cbranchsi4.
1029
1030         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
1031         hppa_branch_type): Delete.
1032         (return_addr_rtx): Use cbranchsi4.
1033         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
1034         Emit CCFPmode comparison here.
1035         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
1036         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
1037         hppa_branch_type): Delete.
1038         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
1039         (movsicc, movdicc): Remove references to hppa_compare_op0,
1040         hppa_compare_op1 and compare_from_rtx.
1041         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
1042         (casesi): Use cbranchsi4.
1043
1044         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
1045         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
1046         * config/pdp11/pdp11.md (register_or_const0_operand): New.
1047         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
1048         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
1049         (bCC): Delete.
1050         (cbranchdf4, cbranchhi4, cbranchqi4): New.
1051         (*branch, *branch_inverted): New.
1052
1053         * config/picochip/picochip.md (cbranchhi4): Use
1054         ordered_comparison_operator.
1055         (cmphi, bCC): Remove.
1056
1057         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
1058         (trap_comparison_operator): Delete.
1059         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
1060         rs6000_emit_cbranch): Accept mode and operands.
1061         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
1062         rs6000_compare_fp_p): Delete.   
1063         (rs6000_generate_compare): Accept mode and comparison.  Extract code
1064         and op0/op1 from there.  Replace references to rs6000_compare_op0
1065         and rs6000_compare_op1.
1066         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
1067         extract result from passed operands.
1068         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
1069         extract loc from passed operands.
1070         (rs6000_emit_cmove): Likewise.
1071         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
1072         rs6000_compare_fp_p): Delete.
1073         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
1074         (cbranch<GPR>4, cbranch<FP>4): New.
1075         (cstore<mode>4): New.  Consolidate here all choices about when to use
1076         portable or specialized sCC sequences.
1077         (stack_protect_test): Use cbranchsi4.
1078         (conditional_trap): Replace with ctrap<GPR>4.
1079         (conditional trap insn): Replace trap_comparison_operator with
1080         ordered_comparison_operator. 
1081
1082         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
1083         (s390_emit_prologue): Use ctrap.
1084         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
1085         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
1086         New predicates replacing...
1087         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
1088         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
1089         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
1090         (add<mode>cc): Do not use s390_compare_op0/op1.
1091         (s<code>): Change to...
1092         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
1093         (seq): Change to...
1094         (cstorecc4): ... this.  Handle EQ or NE equally.
1095         (*sne): Un-privatize for use in cstorecc4.
1096         (b<code>): Change to...
1097         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
1098         (conditional_trap): Replace with...
1099         (ctrap<GPR>4, ctrap<FP>4): ... these.
1100         (stack_protect): Use cbranchcc4.
1101
1102         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
1103         * config/score/score-protos.h (score_gen_cmp): Delete.
1104         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
1105         (score_block_move-loop): Use cbranchsi4.
1106         * config/score/score.md (cbranchsi4): New.
1107         (cmpsi, bCC): Delete.
1108         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
1109         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
1110         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
1111         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
1112         * config/score/score3.h (score3_gen_cmp): Delete.
1113         * config/score/score7.h (score7_gen_cmp): Delete.
1114
1115         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
1116         (sh_emit_scc_to_t): ... this.  Return void.
1117         (from_compare): Rename to...
1118         (sh_emit_compare_and_branch): ... this.
1119         (sh_emit_compare_and_set): New.
1120         (sh_expand_t_scc): Accept operands.
1121         * config/sh/predicates.md (sh_float_comparison_operator): New.
1122         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
1123         (prepare_scc_operands): Rename to...
1124         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
1125         arguments.
1126         (sh_emit_cheap_store_flag): New.
1127         (sh_emit_set_t_insn): New.
1128         (from_compare): Rename to...
1129         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
1130         handling of TARGET_SH2E floating point to avoid recursive call.
1131         Generate branch here.
1132         (sh_emit_compare_and_set): New.
1133         (sh_expand_t_scc): Get op0/op1 from arguments.
1134         (sh_emit_cheap_store_flag): New.
1135         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
1136         cases.
1137         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
1138         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
1139         (movsicc, movdicc): Do nothing when it recreated operands from
1140         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
1141         prepare_scc_operands (now sh_emit_scc_to_t).
1142         (udivdi3): Use cstoresi4.
1143         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
1144         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
1145         (cbranchint4_media, cbranchfp4_media): New.
1146         (casesi): Use cbranchdi4.
1147         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
1148         Delete.
1149         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
1150         (movnegt): Remove second operand.
1151         (cbranchsf4, cbranchdf4): New.
1152         (stack_protect): Use cbranchdi4/cbranchsi4.
1153
1154         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
1155         (gen_compare_reg): Accept comparison, extract part of it to...
1156         (gen_compare_reg_1): ... this. 
1157         (gen_compare_operator): Delete.
1158         (gen_v9_scc): Accept separate destination, comparison code and arms.
1159         Do not use sparc_compare_op0/sparc_compare_op1.
1160         (emit_scc_insn, emit_conditional_branch_insn): New.
1161         (emit_v9_brxx): Make static.  Remove useless assertion.
1162         (sparc_emit_float_lib_cmp): Return RTL instead of calling
1163         emit_cmp_insn.
1164         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
1165         * config/sparc/sparc-protos.h (gen_compare_reg,
1166         sparc_emit_float_lib_cmp): Adjust prototype.
1167         (emit_scc_insn, emit_conditional_branch_insn): New.
1168         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
1169         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
1170         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
1171         iterators to the top.
1172         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
1173         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
1174         snedi_special_trunc): Delete.
1175         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
1176         and snedi_special_trunc.
1177         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
1178         cbranchdi4, cbranch<F:mode>4): New.
1179         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
1180         here.  Use gen_compare_reg instead of gen_compare_operator.
1181         (conditional_trap): Replace with...
1182         (ctrapsi4, ctrapdi4): ... this.
1183         (stack_protect_test): Use cbranchcc4.
1184
1185         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
1186         argument to rtx.
1187         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
1188         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
1189         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
1190         from operands[0] or operands[3] depending on is_set.
1191         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
1192         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
1193         cmpdf, bCC), sCC: Remove.
1194         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
1195         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
1196         cstoredf4): New.
1197         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
1198         spu_emit_branch_or_set.
1199
1200         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
1201         Add two arguments.
1202         * config/stormy16/stormy16.h (xstormy16_compare_op0,
1203         xstormy16_compare_op1): Delete.
1204         * config/stormy16/stormy16.c (xstormy16_compare_op0,
1205         xstormy16_compare_op1): Delete. 
1206         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
1207         Adjust calls.
1208         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
1209         (cmphi, cmpsi, bCC): Remove.
1210
1211         * config/v850/v850.md (tstsi, cmpsi): Fold into...
1212         (*cmpsi): ... this one.
1213         (cbranchsi4, cstoresi4): New.
1214         (bCC expanders): Delete.
1215         (sCC insns): Fold into...
1216         (*setcc): ... this one.
1217         (casesi): Do not use gen_cmpsi and gen_bgtu. 
1218         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
1219         (movsicc): Simplify.
1220         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
1221
1222         * config/vax/vax-protos.h (cond_name): New.
1223         (vax_output_conditional_branch): Remove.
1224         * config/vax/vax.c (cond_name): New.
1225         (vax_output_conditional_branch): Remove.
1226         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
1227         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
1228         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
1229         (bit<VAXint>): Wrap source with (compare).
1230         (b<code> and following unnamed pattern): Rename to *branch and
1231         *branch_reversed.  Change macroization to match_operator.
1232         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
1233
1234         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
1235         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
1236         Change last argument to machine_mode.
1237         (xtensa_expand_scc): Add machine_mode argument.
1238         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
1239         (gen_conditional_move, xtensa_expand_conditional_branch,
1240         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
1241         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
1242         Adjust operand numbers.
1243         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
1244         Delete.
1245         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
1246         (cmpsi, cmpsf, b<code>, s<code>): Delete.
1247         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
1248
1249 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1250
1251         * optabs.c (prepare_cmp_insn): Temporarily disable test that
1252         causes spurious differences between trunk and cond-optab branch.
1253
1254 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
1255
1256         PR target/37137
1257         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
1258
1259 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
1260
1261         * tree.c (iterative_hash_pointer): Delete.
1262         (iterative_hash_expr): Short-circuit handling of NULL pointer.
1263         Hash UIDs and versions of SSA names.  Don't special-case built-in
1264         function declarations.
1265
1266 2009-05-11  Ian Lance Taylor  <iant@google.com>
1267
1268         PR bootstrap/40103
1269         * graphite.c: Force -Wc++-compat to only be a warning before
1270         #including "cloog/cloog.h".
1271
1272 2009-05-11  Martin Jambor  <mjambor@suse.cz>
1273
1274         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
1275         
1276 2009-05-11  Jan Hubicka  <jh@suse.cz>
1277
1278         * tree-ssa-loop-ivcanon.c: Include target.h
1279         (struct loop_size): new structure.
1280         (constant_after_peeling): New predicate.
1281         (tree_estimate_loop_size): New function.
1282         (estimated_unrolled_size): Rewrite for new estimates.
1283         (try_unroll_loop_completely): Use new estimates.
1284         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
1285
1286 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1287
1288         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
1289         libcpp interface change.
1290         (spu_macro_to_expand): Likewise.
1291
1292 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
1293
1294         PR tree-optimization/40026
1295         * gimplify.c (gimplify_init_constructor): Change initial conditional
1296         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
1297         optimize_compound_literals_in_ctor.
1298
1299 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
1300
1301         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
1302         New devices.
1303         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
1304
1305 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
1306
1307         * tree-vect-data-refs.c (vect_analyze_group_access): Use
1308         HOST_WIDE_INT for gap.
1309
1310 2009-05-11  Ira Rosen  <irar@il.ibm.com>
1311
1312         PR tree-optimization/40074
1313         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
1314         account in group size and step comparison.
1315
1316 2009-05-11  Richard Guenther  <rguenther@suse.de>
1317
1318         * passes.c (init_optimization_passes): Strip now incorrect comment.
1319         (execute_function_todo): Do not set PROP_alias.
1320         * tree-pass.h (PROP_alias): Remove.
1321         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
1322         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
1323         * tree-nrv.c (pass_return_slot): Likewise.
1324         * tree-object-size.c (pass_object_sizes): Likewise.
1325         * tree-ssa-dom.c (pass_dominator): Likewise.
1326         (pass_phi_only_cprop): Likewise.
1327         * tree-ssa-dse.c (pass_dse): Likewise.
1328         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
1329         (pass_cselim): Likewise.
1330         * tree-ssa-pre.c (pass_pre): Likewise.
1331         (pass_fre): Likewise.
1332         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
1333         * tree-ssa-sink.c (pass_sink_code): Likewise.
1334         * tree-stdarg.c (pass_stdarg): Likewise.
1335         * tree-tailcall.c (pass_tail_calls): Likewise.
1336         * tree-vrp.c (pass_vrp): Likewise.
1337
1338 2009-05-10  Ian Lance Taylor  <iant@google.com>
1339
1340         * basic-block.h (enum profile_status): Break out of struct
1341         control_flow_graph.
1342         * cgraph.h (struct inline_summary): Break out of struct
1343         cgraph_local_info.
1344         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
1345         of struct cgraph_order_sort.
1346         * combine.c (enum undo_kind): New enum, broken out of struct undo.
1347         * cse.c (struct branch_path): Break out of struct
1348         cse_basic_block_data.
1349         * except.h (enum eh_region_type): Break out of struct eh_region.
1350         * gcc.c (enum add_del): Break out of struct modify_target.
1351         * genrecog.c (enum decision_type): Break out of struct decision_test.
1352         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
1353         ggc_pch_data.
1354         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
1355         * regmove.c (enum match_use): New enum, broken out of struct match.
1356         * sched-int.h (enum post_call_group): New enum, broken out of
1357         struct deps.
1358         (struct deps_reg): Break out of struct deps.
1359         * target.h (struct asm_int_op): Break out of struct gcc_target.
1360         * tree-eh.c (struct goto_queue_node): Break out of struct
1361         leh_tf_state.
1362         * tree-inline.h (enum copy_body_cge_which): Break out of
1363         copy_body_data.
1364         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
1365
1366         * c-decl.c (in_struct, struct_types): New static variables.
1367         (pushtag): Add loc parameter.  Change all callers.
1368         (lookup_tag): Add ploc parameter.  Change all callers.
1369         (check_compound_literal_type): New function.
1370         (parser_xref_tag): Add loc parameter.  Change all callers.  If
1371         -Wc++-compat, warn about struct/union/enum types defined within a
1372         struct or union.
1373         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
1374         and loc parameters.  Change all callers.  Change error calls to
1375         error_at, using loc.  For a redefinition, if the location of the
1376         original definition is known, report it.  Set in_struct and
1377         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
1378         (finish_struct): Add new parameters enclosing_in_struct and
1379         enclosing_struct_types.  Change all callers.  Set
1380         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
1381         in the struct.  If in a struct, add this struct to struct_types.
1382         (start_enum): Add loc parameter.  Change all callers.  Use
1383         error_at for errors, using loc.  For a redefinition, if the
1384         location of the original definition is known, report it.  If in a
1385         struct, add this enum type to struct_types.  If -Wc++-compat warn
1386         if in sizeof, typeof, or alignof.
1387         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
1388         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
1389         (c_parser_enum_specifier): Get enum location for start_enum.
1390         (c_parser_struct_or_union_specifier): Get struct location for
1391         start_struct.  Save in_struct and struct_types status between
1392         start_struct and finish_struct.
1393         (c_parser_cast_expression): Get location of cast.
1394         (c_parser_alignof_expression): Get location of type.
1395         (c_parser_postfix_expression): Likewise.
1396         (c_parser_postfix_expression_after_paren_type): Add type_loc
1397         parameter.  Change all callers.  Call check_compound_literal_type.
1398         Use type_loc for error about variable size type.
1399         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
1400         of an enum constant from an enum type defined in a struct or union.
1401         (c_cast_expr): Add loc parameter.  Change all callers.  If
1402         -Wc++-compat, warn about defining a type in a cast.
1403         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
1404         (start_enum, start_struct, finish_struct): Update declarations.
1405         (parser_xref_tag, c_cast_expr): Update declarations.
1406         (check_compound_literal_type): Declare.
1407
1408 2009-05-11  Ben Elliston  <bje@au.ibm.com>
1409
1410         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
1411         for recent libcpp interface change.
1412         (rs6000_macro_to_expand): Likewise.
1413
1414 2009-05-10  Michael Matz  <matz@suse.de>
1415
1416         PR target/40031
1417         * config/arm/arm.c (require_pic_register): Emit on entry edge,
1418         not at entry of function.
1419
1420 2009-05-10  Richard Guenther  <rguenther@suse.de>
1421
1422         PR tree-optimization/40081
1423         Revert
1424         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1425         using the main variant of the element type.  Do not fiddle with
1426         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1427
1428         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
1429         structs with volatile fields.
1430
1431 2009-05-10  Jan Hubicka  <jh@suse.cz>
1432
1433         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
1434         (estimate_move_cost): Assert that it does not get called for
1435         VOID_TYPE_P.
1436         (estimate_num_insns): Skip VOID types in argument handling.
1437         (optimize_inline_calls): Delete unreachable blocks and verify that
1438         callgraph is valid.
1439
1440 2009-05-10  Jan Hubicka  <jh@suse.cz>
1441
1442         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
1443         * cgraph.c (cgraph_mark_address_taken_node): New function.
1444         (dump_cgraph_node): Dump new flag.
1445         * cgraph.h (struct cgraph_node): Add address_taken.
1446         (cgraph_mark_address_taken_node): New function.
1447         * ipa.c (cgraph_postorder): Prioritize functions with address taken
1448         since new direct calls can be born.
1449
1450 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1451
1452         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
1453         tok->val.node.node.
1454
1455 2009-05-10  Jan Hubicka  <jh@suse.cz>
1456
1457         PR middle-end/40084
1458         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
1459         argument; rewrite.
1460         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
1461         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
1462         * tree-inline.c (copy_bb): Set frequency correctly.
1463         (fold_marked_statements): Update call to
1464         cgraph_update_edges_for_call_stmt.
1465
1466 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1467
1468         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
1469         identifiers in diagnostics.
1470         * config/arm/arm.c (arm_handle_fndecl_attribute,
1471         arm_handle_isr_attribute): Likewise.
1472         * config/avr/avr.c (avr_handle_progmem_attribute,
1473         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
1474         Likewise.
1475         * config/bfin/bfin.c (handle_int_attribute,
1476         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
1477         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
1478         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
1479         Likewise.
1480         * config/darwin.c (darwin_handle_kext_attribute,
1481         darwin_handle_weak_import_attribute): Likewise.
1482         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
1483         h8300_handle_eightbit_data_attribute,
1484         h8300_handle_tiny_data_attribute): Likewise.
1485         * config/i386/i386.c (ix86_handle_cconv_attribute,
1486         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
1487         Likewise.
1488         * config/i386/winnt.c (ix86_handle_shared_attribute,
1489         ix86_handle_selectany_attribute): Likewise.
1490         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
1491         * config/m32c/m32c.c (function_vector_handler): Likewise.
1492         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
1493         m68hc11_handle_fntype_attribute): Likewise.
1494         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
1495         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
1496         * config/mips/mips.c (mips_insert_attributes,
1497         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
1498         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
1499         rs6000_handle_struct_attribute): Likewise.
1500         * config/sh/sh.c (sh_insert_attributes,
1501         sh_handle_resbank_handler_attribute,
1502         sh_handle_interrupt_handler_attribute,
1503         sh2a_handle_function_vector_handler_attribute,
1504         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1505         Likewise.
1506         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
1507         * config/spu/spu.c (spu_handle_fndecl_attribute,
1508         spu_handle_vector_attribute): Likewise.
1509         * config/stormy16/stormy16.c
1510         (xstormy16_handle_interrupt_attribute): Likewise.
1511         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
1512         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
1513
1514 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1515
1516         * pretty-print.h (struct pretty_print_info): Add
1517         translate_identifiers.
1518         (pp_translate_identifiers): New.
1519         (pp_identifier): Only conditionally translate identifier to locale
1520         character set.
1521         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
1522         (pp_base_tree_identifier): Only conditionally translate identifier
1523         to locale character set.
1524         * c-pretty-print.c (M_): Define.
1525         (pp_c_type_specifier, pp_c_primary_expression): Mark English
1526         fragments for conditional translation with M_.
1527         * tree-pretty-print.c (maybe_init_pretty_print): Disable
1528         identifier translation.
1529
1530 2009-05-10  Richard Guenther  <rguenther@suse.de>
1531
1532         PR tree-optimization/40081
1533         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1534         using the main variant of the element type.  Do not fiddle with
1535         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1536
1537 2009-05-09  Jan Hubicka  <jh@suse.cz>
1538
1539         PR middle-end/40080
1540         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
1541         indirect calls; verify cgraph afterwards.
1542
1543 2009-05-09  Jan Hubicka  <jh@suse.cz>
1544
1545         PR bootstrap/40082
1546         * ipa.c (update_inlined_to_pointer): New function.
1547         (cgraph_remove_unreachable_nodes): Use it.
1548
1549 2009-05-09  Jan Hubicka  <jh@suse.cz>
1550
1551         * tree-eh.c (struct leh_state): Remove prev_try.
1552         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
1553         not track prev_try.
1554         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
1555         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
1556         remove_eh_handler_and_replace, foreach_reachable_handler,
1557         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
1558         * except.h (struct eh_region): Remove eh_region_u_cleanup.
1559         (gen_eh_region_cleanup): Update prototype.
1560
1561 2009-05-09  Jan Hubicka  <jh@suse.cz>
1562
1563         PR middle-end/40043
1564         * except.c (copy_eh_region): Always set prev_try.
1565         (redirect_eh_edge_to_label): Find outer try.
1566         (foreach_reachable_handler): When looking for prev try
1567         handle case where previous try is not going to be taken.
1568
1569 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1570
1571         PR tree-optimization/40049
1572         * tree-vect-stmts.c (vectorizable_operation): If the machine has
1573         only vector/vector shifts, convert the type of the constant to the
1574         appropriate type to avoid building incorrect trees, which
1575         eventually have problems with garbage collection.
1576
1577 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1578
1579         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
1580         -1 for complex floating-point types if honoring signed zeros.
1581
1582 2009-05-08  Jan Hubicka  <jh@suse.cz>
1583
1584         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
1585         argument; handle correctly when profile is absent.
1586         (build_cgraph_edges): Update.
1587         (rebuild_cgraph_edges): Update.
1588         * cgraph.c: Do not include varray.h.
1589         (cgraph_set_call_stmt_including_clones): New function.
1590         (cgraph_create_edge_including_clones): Likewise
1591         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
1592         (cgraph_update_edges_for_call_stmt): Handle clones.
1593         (cgraph_remove_node): Handle clone tree.
1594         (cgraph_remove_node_and_inline_clones): New function.
1595         (dump_cgraph_node): Dump clone tree.
1596         (cgraph_clone_node): Handle clone tree.
1597         (clone_function_name): Bring here from tree-inline.c.
1598         (cgraph_create_virtual_clone): New function.
1599         * cgraph.h (ipa_replace_map): Move here from ipa.h.
1600         (cgraph_clone_info): New function.
1601         (strut cgraph_node): Add clone_info and new clone tree pointers.
1602         (cgraph_remove_node_and_inline_clones,
1603         cgraph_set_call_stmt_including_clones,
1604         cgraph_create_edge_including_clones,
1605         cgraph_create_virtual_clone): Declare.
1606         (cgraph_function_versioning): Use VEC argument.
1607         (compute_call_stmt_bb_frequency): Update prototype.
1608         (cgraph_materialize_all_clones): New function.
1609         * ipa-cp.c (ipcp_update_cloned_node): Remove.
1610         (ipcp_create_replace_map): Update to VECtors.
1611         (ipcp_update_callgraph): Use virtual clones.
1612         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
1613         (ipcp_update_profiling): Do not update local profiling.
1614         (ipcp_insert_stage): Use VECtors and virtual clones.
1615         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
1616         (clone_of_p): New function.
1617         (cgraph_preserve_function_body_p): Use clone tree.
1618         (cgraph_optimize): Materialize clones.
1619         (cgraph_function_versioning): Update for VECtors.
1620         (save_inline_function_body): Use clone tree.
1621         (cgraph_materialize_clone): New function.
1622         (cgraph_materialize_all_clones): Likewise.
1623         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
1624         * ipa.c: Include gimple.h.
1625         (cgraph_remove_unreachable_nodes): Use clone tree.
1626         * ipa-prop.c (ipa_note_param_call): Update call to
1627         compute_call_stmt_bb_frequencycall.
1628         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
1629         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
1630         (copy_bb): Handle updating of clone tree; add new edge when new call
1631         appears.
1632         (expand_call_inline): Be strict about every call having edge.
1633         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
1634         (delete_unreachable_blocks_update_callgraph): New function.
1635         (tree_function_versioning): Use VECtors; always remove unreachable
1636         blocks and fold conditionals.
1637         * tree-inline.h: Do not include varray.h.
1638         (tree_function_versioning): Remove.
1639         * Makefile.in (GTFILES): Remove tree-inline.c
1640         * passes.c (do_per_function): Do only functions having body.
1641         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
1642         tree.
1643
1644 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
1645             Andrew Morrow  <acm@google.com>
1646
1647         PR c/36892
1648         * c-common.c (c_common_attribute_table): Permit deprecated
1649         attribute to take an optional argument.
1650         (handle_deprecated_attribute): If the optional argument to
1651         __attribute__((deprecated)) is not a string ignore the attribute
1652         and emit a warning.
1653
1654         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
1655         * c-typeck.c (build_component_ref): Likewise.
1656         (build_external_ref): Likewise.
1657
1658         * toplev.c (warn_deprecated_use): Add an attribute argument.
1659         Emit the message associated with __attribute__((deprecated)).
1660
1661         * toplev.h (warn_deprecated_use): Updated.
1662
1663         * doc/extend.texi: Document new optional parameter to
1664         __attribute__((deprecated))
1665
1666 2009-05-08  Michael Eager <eager@eagercon.com>
1667
1668         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
1669         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
1670
1671 2009-05-08  Richard Guenther  <rguenther@suse.de>
1672
1673         PR tree-optimization/40062
1674         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
1675         Avoid exponential behavior.
1676
1677 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1678
1679         PR rtl-optimization/33928
1680         PR 26854
1681         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
1682         process_uses, build_single_def_use_links): New.
1683         (update_df): Update use_def_ref.
1684         (forward_propagate_into): Use get_def_for_use instead of use-def
1685         chains.
1686         (fwprop_init): Call build_single_def_use_links and let it initialize
1687         dataflow.
1688         (fwprop_done): Free use_def_ref.
1689         (fwprop_addr): Eliminate duplicate call to df_set_flags.
1690         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
1691         df_rd_simulate_one_insn): New.
1692         (df_rd_bb_local_compute_process_def): Update head comment.
1693         (df_chain_create_bb): Use the new RD simulation functions.
1694         * df.h (df_rd_simulate_artificial_defs_at_top, 
1695         df_rd_simulate_one_insn): New.
1696         * opts.c (decode_options): Enable fwprop at -O1.
1697         * doc/invoke.texi (-fforward-propagate): Document this.
1698
1699 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1700
1701         PR c/24581
1702         * c-typeck.c (build_binary_op): Handle arithmetic between one real
1703         and one complex operand specially.
1704         * tree-complex.c (some_nonzerop): Do not identify a real value as
1705         zero if flag_signed_zeros.
1706
1707 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1708
1709         PR rtl-optimization/33928
1710         * loop-invariant.c (record_use): Fix && vs. || mishap.
1711
1712 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1713
1714         PR rtl-optimization/33928
1715         * loop-invariant.c (struct use): Add addr_use_p.
1716         (struct def): Add n_addr_uses.
1717         (struct invariant): Add cheap_address.
1718         (create_new_invariant): Set cheap_address.
1719         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
1720         (record_uses): Pass df_ref to record_use.
1721         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
1722         used only as such.
1723
1724 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1725
1726         * config/sh/sh.c: Do not include c-pragma.h.
1727
1728 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1729
1730         * config/spu/spu.c: Remove include of c-common.h.
1731
1732 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
1733
1734         PR c/39037
1735         * c-common.h (mark_valid_location_for_stdc_pragma,
1736         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
1737         clear_float_const_decimal64, float_const_decimal64_p): New.
1738         * c.opt (Wunsuffixed-float-constants): New.
1739         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
1740         unsuffixed float constant, handle new warning.
1741         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
1742         * c-decl.c (c_scope): New flag float_const_decimal64.
1743         (set_float_const_decimal64, clear_float_const_decimal64,
1744         float_const_decimal64_p): New.
1745         (push_scope): Set new flag.
1746         * c-parser.c (c_parser_translation_unit): Mark when it's valid
1747         to use STDC pragmas.
1748         (c_parser_external_declaration): Ditto.
1749         (c_parser_compound_statement_nostart): Ditto.
1750         * c-pragma.c (valid_location_for_stdc_pragma,
1751         mark_valid_location_for_stdc_pragma,
1752         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
1753         handle_pragma_float_const_decimal64): New.
1754         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
1755         * cp/semantics.c (valid_location_for_stdc_pragma_p,
1756         set_float_const_decimal64, clear_float_const_decimal64,
1757         float_const_decimal64_p): New dummy functions.
1758         * doc/extend.texi (Decimal Float): Remove statement that the
1759         pragma, and suffix for double constants, are not supported.
1760         * doc/invoke.texi (Warning Options): List new option.
1761         (-Wunsuffixed-float-constants): New.
1762
1763 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
1764
1765         * config/i386/i386.c: Do not include c-common.h.
1766
1767 2009-05-07  Mark Heffernan  <meheff@google.com>
1768
1769         * doc/invoke.texi (Debugging Options): Document change of debugging
1770         dump location.
1771         * opts.c (decode_options): Make dump_base_name relative to
1772         aux_base_name directory.
1773
1774 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
1775
1776         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
1777         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
1778
1779 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
1780
1781         * Makefile.in (install-plugin): Simplify a bit.
1782
1783 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
1784
1785         * Makefile.in (OBJS-common): Add regcprop.o.
1786         (regcprop.o): New.
1787         * timevar.def (TV_CPROP_REGISTERS): New.
1788         * regrename.c (regrename_optimize): Return 0.
1789         (rest_of_handle_regrename): Delete.
1790         (pass_rename_registers): Point to regrename_optimize.
1791         (struct value_data_entry, struct value_data, 
1792         kill_value_one_regno, kill_value_regno, kill_value,
1793         set_value_regno, init_value_data, kill_clobbered_value,
1794         kill_set_value, kill_autoinc_value, copy_value,
1795         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
1796         replace_oldest_value_reg, replace_oldest_value_addr,
1797         replace_oldest_value_mem, copyprop_hardreg_forward_1,
1798         debug_value_data, validate_value_data): Move...
1799         * regcprop.c: ... here.
1800         (rest_of_handle_cprop): Delete.
1801         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
1802
1803 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
1804
1805         PR middle-end/40057
1806         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
1807         GEN_INT for 1 << bitnum.
1808         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
1809         build_int_cst_type.
1810
1811 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
1812
1813         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
1814         Remove wrong description of "nand" operation.
1815
1816 2009-05-06  Richard Guenther  <rguenther@suse.de>
1817             Adam Nemet  <anemet@caviumnetworks.com>
1818
1819         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
1820         comment.  Add that if LHS is not a gimple register, then RHS1 has
1821         to be a single object (GIMPLE_SINGLE_RHS).
1822
1823 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
1824
1825         * expr.c (get_def_for_expr): Move it up in the file.
1826         (store_field): When expanding a bit-field store, look at the
1827         defining gimple stmt for the masking conversion.
1828
1829 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
1830
1831         PR middle-end/39986
1832         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1833         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
1834         32-bit memcpy into long.
1835
1836 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
1837
1838         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
1839         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
1840         new_reg_loc_descr.
1841         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
1842         instead of appending DW_OP_deref*.
1843
1844 2009-05-06  Michael Matz  <matz@suse.de>
1845
1846         PR middle-end/40021
1847         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
1848         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
1849
1850 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
1851
1852         * Makefile.in (install-plugin): Fix srcdir handling.
1853
1854 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
1855
1856         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
1857         when processing for not_regs_needed bitmap.
1858         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
1859         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
1860         handling it for rhs. 
1861
1862 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1863
1864         * config/i386/i386.md (unnamed inc/dec peephole): Use
1865         optimize_insn_for_size_p instead of optimize_size.
1866         * config/i386/predicates.md (incdec_operand): Likewise.
1867         (aligned_operand): Likewise.
1868         * config/i386/sse.md (divv8sf3): Likewise.
1869         (sqrtv8sf2): Likewise.
1870
1871 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1872
1873         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
1874
1875         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
1876
1877 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1878
1879         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
1880         ssemodesuffixf2c with avxmodesuffixf2c.
1881
1882 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
1883
1884         PR c/40032
1885         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
1886
1887 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
1888
1889         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
1890         (struct tree_base): Adjust spacing for 8 bit boundaries.
1891         (struct tree_decl_common): Add decl_by_reference_flag bit.
1892         (DECL_BY_REFERENCE): Adjust.
1893         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
1894         print DECL_BY_REFERENCE bit.
1895         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
1896         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
1897         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
1898         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
1899         unconditionally.
1900
1901         PR middle-end/39666
1902         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
1903         range of the type, but default label is missing, add it with one
1904         of the existing labels instead of adding a new label for it.
1905
1906 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
1907
1908         * dwarf.h: Remove.
1909
1910 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
1911
1912         * Makefile.in (enable_plugin, plugin_includedir): New.
1913         (install): Depend on install-plugin.
1914         (PLUGIN_HEADERS): New.
1915         (install-plugin): New.
1916         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
1917
1918 2009-05-05  Richard Guenther  <rguenther@suse.de>
1919
1920         PR tree-optimization/40022
1921         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
1922         the only vuse.
1923         (phivn_valid_p): Fix tuplification error, simplify.
1924         (phiprop_insert_phi): Add dumps.
1925         (propagate_with_phi): Simplify.
1926
1927 2009-05-05  Richard Guenther  <rguenther@suse.de>
1928
1929         PR middle-end/40023
1930         * builtins.c (gimplify_va_arg_expr): Properly build the address.
1931
1932 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
1933
1934         * tree.h (strip_float_extensions): Remove duplicate declaration.
1935         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
1936         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
1937         block_ultimate_origin): Rearrange the declarations line to match the
1938         comment that indicates the .c file which the functions are defined.
1939         (dwarf2out_*, set_decl_rtl): Add comment.
1940         (get_base_address): Adjust comment.
1941         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
1942         declarations line and add comment.
1943         (is_builtin_name): Add blank after function name, for clarity.
1944
1945 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1946
1947         * attribs.c (decl_attributes): Use %qE for identifiers in
1948         diagnostics.
1949         * cgraphunit.c (verify_cgraph_node): Translate function names to
1950         locale character set in diagnostics.
1951         * coverage.c (get_coverage_counts): Use %qE for identifiers in
1952         diagnostics.
1953         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
1954         Document that functions are named in UTF-8.
1955         * expr.c (expand_expr_real_1): Translate function names to locale
1956         character set in diagnostics.
1957         * gimplify.c (omp_notice_variable, omp_is_private,
1958         gimplify_scan_omp_clauses): Use %qE for identifiers in
1959         diagnostics.
1960         * langhooks.c (lhd_print_error_function): Translate function names
1961         to locale character set.
1962         * langhooks.h (decl_printable_name): Document that return value is
1963         in internal character set.
1964         * stmt.c: Include pretty-print.h
1965         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
1966         diagnostics.
1967         (resolve_operand_name_1): Translate named operand name to locale
1968         character set.
1969         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
1970         diagnostics.
1971         * toplev.c (announce_function): Translate function names to locale
1972         character set.
1973         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
1974         (default_tree_printer): Use pp_identifier or translate identifiers
1975         to locale character set.  Mark "<anonymous>" for translation.
1976         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
1977         for identifiers in diagnostics.
1978         * tree.c (handle_dll_attribute): Use %qE for identifiers in
1979         diagnostics.
1980         * varasm.c (output_constructor): Use %qE for identifiers in
1981         diagnostics.
1982
1983 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
1984
1985         * configure.ac: use ` ` instead of $()
1986         * configure: Regenerate.
1987
1988 2009-05-05  Ben Elliston  <bje@au.ibm.com>
1989
1990         * config/pa/linux-atomic.c: Eliminate conditional include of
1991         errno.h on non-LP64 systems to simplify build requirements.
1992
1993 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1994
1995         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
1996         diagnostics.
1997         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
1998         and pass value to identifier_to_locale.
1999         (warn_variable_length_array): Make name a tree.
2000         (grokdeclarator): Separate diagnostic texts for named and unnamed
2001         declarators.  Use %qE for named declarators.
2002         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
2003         diagnostics.
2004         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
2005         identifiers in diagnostics.
2006         * c-typeck.c (push_member_name, start_init): Pass identifiers to
2007         identifier_to_locale.  Mark "anonymous" strings for translation.
2008
2009 2009-05-04  Michael Eager <eager@eagercon.com>
2010
2011         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
2012         address for DImode/DFmode only if double-precision FP regs.
2013
2014 2009-05-04  Michael Eager <eager@eagercon.com>
2015
2016         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
2017         TARGET_SINGLE_FLOAT check.
2018
2019 2009-05-04  Michael Eager <eager@eagercon.com>
2020
2021         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
2022
2023 2009-05-04  Michael Eager <eager@eagercon.com>
2024
2025         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
2026         * config/rs6000/t-xilinx: New
2027
2028 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
2029
2030         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
2031         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
2032         * gcc/explow.c (memory_address): Use target hook.
2033         * gcc/targhooks.c (default_legitimize_address): New.
2034         * gcc/targhooks.h (default_legitimize_address): New.
2035         * gcc/target.h (legitimize_address): New.
2036         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
2037         (TARGET_INITIALIZER): Include it.
2038         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
2039
2040         * config/bfin/bfin-protos.h (legitimize_address): Remove.
2041         * config/bfin/bfin.c (legitimize_address): Remove.
2042         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
2043         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
2044         Remove.
2045         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
2046         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
2047
2048         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
2049         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
2050         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
2051         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
2052         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
2053         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
2054         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
2055         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
2056         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
2057         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
2058         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
2059         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
2060         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
2061         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
2062         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
2063         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
2064         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
2065         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
2066         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
2067         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
2068         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
2069         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
2070         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
2071
2072         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
2073         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
2074         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
2075         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
2076         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
2077         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
2078         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
2079         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
2080         (thumb_legitimize_address): Delete.
2081         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
2082         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
2083         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
2084         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
2085         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
2086         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
2087         Delete.
2088         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
2089         Delete.
2090
2091         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
2092         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
2093         * config/m32r/m32r.c (m32r_legitimize_address): New.
2094         * config/m68k/m68k.c (m68k_legitimize_address): New.
2095         * config/score/score.c (score_legitimize_address): Standardize.
2096         * config/score/score3.c (score3_legitimize_address): Standardize.
2097         * config/score/score3.h (score3_legitimize_address): Adjust.
2098         * config/score/score7.c (score7_legitimize_address): Standardize.
2099         * config/score/score7.h (score7_legitimize_address): Adjust.
2100         * config/sh/sh.c (sh_legitimize_address): New.
2101         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
2102
2103         * gcc/config/s390/s390.c (legitimize_address): Rename to...
2104         (s390_legitimize_address): ... this.
2105         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
2106         (sparc_legitimize_address): ... this.
2107         * gcc/config/i386/i386.c (legitimize_address): Rename to...
2108         (ix86_legitimize_address): ... this.
2109         * gcc/config/avr/avr.c (legitimize_address): Rename to...
2110         (avr_legitimize_address): ... this.
2111         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
2112         (mn10300_legitimize_address): ... this.
2113         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
2114         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
2115         (alpha_expand_mov): Adjust call.
2116
2117         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
2118         * config/spu/spu.c (spu_legitimize_address): Likewise.
2119         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
2120         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
2121
2122 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2123
2124         * intl.c (locale_encoding, locale_utf8): New.
2125         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
2126         * intl.h (locale_encoding, locale_utf8): Declare.
2127         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
2128         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
2129         New.
2130         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
2131         argument.
2132         (pp_tree_identifier): Define to call pp_base_tree_identifier.
2133         (pp_base_tree_identifier): Declare as function.
2134         (identifier_to_locale): Declare.
2135         * Makefile.in (pretty-print.o): Update dependencies.
2136         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
2137
2138 2009-05-04  Richard Guenther  <rguenther@suse.de>
2139
2140         PR middle-end/40015
2141         * builtins.c (fold_builtin_memory_op): Do not decay to element
2142         type if the size matches the whole array.
2143
2144 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
2145
2146         * expmed.c (synth_mult): When trying out a shift, pass the result
2147         of a signed shift.
2148
2149 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
2150
2151         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
2152         (shiftsub1_cost): New.
2153         (init_expmed): Compute shiftsub1_cost.
2154         (synth_mult): Optimize multiplications by constants of the form
2155         -(2^^m-1) for some constant positive integer m.
2156
2157 2009-05-03  Richard Guenther  <rguenther@suse.de>
2158
2159         PR c/39983
2160         * c-typeck.c (array_to_pointer_conversion): Do not built
2161         ADDR_EXPRs of arrays of pointer-to-element type.
2162         * c-gimplify.c (c_gimplify_expr): Revert change fixing
2163         up wrong ADDR_EXPRs after-the-fact.
2164         * c-common.c (strict_aliasing_warning): Strip pointer
2165         conversions for obtaining the original type.
2166         * builtins.c (fold_builtin_memset): Handle array types.
2167         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
2168         and array types
2169
2170 2009-05-03  Richard Guenther  <rguenther@suse.de>
2171
2172         PR middle-end/23329
2173         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
2174         Do not lose casts from array types with unknown extent to array
2175         types with known extent.
2176         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
2177         alias set compatibility.
2178
2179 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2180
2181         * flags.h (extra_warnings): Delete.
2182         * toplev.c (process_options): Handle Wuninitialized here.
2183         * opts.c (extra_warnings): Delete.
2184         (set_Wextra): Delete.
2185         (common_handle_option): -Wextra can be handled automatically.
2186         * c-opts.c (c_common_handle_option): Delete obsolete code.
2187         (c_common_post_options): Simplify comment.
2188         * common.opt (W): Add Var.
2189         (Wextra): Add Var.
2190         (Wuninitialized): Initialize to -1.
2191
2192 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
2193             Richard Guenther  <rguenther@suse.de>
2194
2195         * expr.c (get_def_for_expr): New function.
2196         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
2197         SSA rather than trees.
2198         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
2199         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
2200         
2201 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
2202
2203         * c-common.c (reswords): Add _Imaginary.
2204         * c-common.c (enum rid): Add RID_IMAGINARY.
2205
2206 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
2207
2208         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
2209         Patch by Richard Guenther.
2210
2211 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
2212
2213         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
2214         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
2215         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
2216         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
2217         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
2218         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
2219         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
2220         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
2221         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
2222         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
2223         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
2224         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
2225         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
2226         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
2227         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
2228         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
2229         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
2230         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
2231
2232 2009-05-02  Richard Guenther  <rguenther@suse.de>
2233
2234         PR tree-optimization/39940
2235         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
2236         doing so.
2237
2238 2009-05-02  Richard Guenther  <rguenther@suse.de>
2239
2240         PR middle-end/40001
2241         * tree-ssa.c (execute_update_addresses_taken): Properly check
2242         if we can mark a variable DECL_GIMPLE_REG_P.
2243         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
2244         back to the end of the function.
2245         (is_gimple_reg_type): Remove complex type special casing.
2246         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
2247         if not optimizing.
2248
2249 2009-05-02  Ben Elliston  <bje@au.ibm.com>
2250
2251         * doc/collect2.texi (Collect2): Document search path behaviour
2252         when configured with --with-ld.
2253
2254 2009-05-02  Jan Hubicka  <jh@suse.cz>
2255
2256         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
2257         parameter; update callers.
2258         (coalesce_cost_edge): EH edges are costier because they needs
2259         splitting even if not critical and even more costier when there are
2260         multiple EH predecestors.
2261
2262 2009-05-02  Jan Hubicka  <jh@suse.cz>
2263
2264         * except.c (remove_eh_handler_and_replace): Handle updating after
2265         removing TRY blocks.
2266
2267 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
2268
2269         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
2270
2271 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
2272
2273         * varasm.c: Do not include c-pragma.h.
2274         * attribs.c: Do not incude c-common.h.
2275
2276 2009-05-01  Michael Matz  <matz@suse.de>
2277
2278         * calls.c (initialize_argument_information): Handle SSA names like
2279         decls with a non MEM_P DECL_RTL.
2280
2281 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2282
2283         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
2284         * ipa-utils.c: Likewise.
2285         * ipa-type-escape.c: Likewise.
2286         * cgraphunit.c Do not include c-common.h.
2287         * ipa-pure-const.c: Likewise.
2288         * tree-if-conv.c: Likewise.
2289         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
2290         * ipa-struct-reorg.c: Likewise.
2291         * tree-nomudflap.c: Likewise.
2292         * tree-ssa-structalias.c: Likewise.
2293
2294 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2295
2296         * store-motion.c: Many cleanups to make this pass a first-class
2297         citizen instead of an appendix to gcse load motion.  Add TODO list
2298         to make this pass faster/cleaner/better.
2299
2300         (struct ls_expr): Post gcse.c-split cleanups.
2301         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
2302         "stores" field to "avail_stores".
2303         (pre_ldst_mems): Rename to store_motion_mems.
2304         (pre_ldst_table): Rename to store_motion_mems_table.
2305         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
2306         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
2307         (ldst_entry): Rename to st_expr_entry, update users.
2308         (free_ldst_entry): Rename to free_st_expr_entry, update users.
2309         (free_ldst_mems): Rename to free_store_motion_mems, update users.
2310         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
2311         update caller.
2312         (first_ls_expr): Rename to first_st_expr, update users.
2313         (next_ls_expr): Rename to next_st_expr, update users.
2314         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
2315         fields properly for store motion instead of names inherited from load
2316         motion in gcse.c.
2317         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
2318         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
2319         are done with it.
2320
2321         (ae_kill): Rename to st_kill, update users.
2322         (ae_gen): Rename to st_avloc, update users.
2323         (transp): Rename to st_transp, update users.
2324         (pre_insert_map): Rename to st_insert_map, update users.
2325         (pre_delete_map): Rename to st_delete_map, update users.
2326         (insert_store, build_store_vectors, free_store_memory,
2327         one_store_motion_pass): Update for abovementioned changes.
2328
2329         (gcse_subst_count, gcse_create_count): Remove.
2330         (one_store_motion_pass): New statistics counters "n_stores_deleted"
2331         and "n_stores_created", local variables.
2332
2333         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
2334         use for_each_rtx.
2335
2336         (regvec, compute_store_table_current_insn): Remove.
2337         (reg_set_info, reg_clear_last_set): Remove.
2338         (compute_store_table): Use DF caches instead of local dataflow
2339         solvers.
2340
2341 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
2342
2343         * c-objc-common.c (c_tree_printer): Print identifiers with
2344         pp_identifier, not pp_string.  Mark "({anonymous})" for
2345         translation.
2346         * c-pretty-print.c (pp_c_ws_string): New.
2347         (pp_c_cv_qualifier, pp_c_type_specifier,
2348         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
2349         pp_c_storage_class_specifier, pp_c_function_specifier,
2350         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
2351         pp_c_primary_expression, pp_c_postfix_expression,
2352         pp_c_unary_expression, pp_c_shift_expression,
2353         pp_c_relational_expression, pp_c_equality_expression,
2354         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
2355         use pp_string and pp_c_ws_string in place of pp_identifier and
2356         pp_c_identifier for non-identifiers.  Mark English strings for
2357         translation.
2358         * c-pretty-print.h (pp_c_ws_string): Declare.
2359
2360 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
2361             Roland McGrath <roland@redhat.com>
2362
2363         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
2364         (ENABLE_LD_BUILDID): New configuration option.
2365         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
2366         (LINK_BUILDID_SPEC): New macro.
2367         (init_spec): If defined, prepend it between LINK_EH_SPEC and
2368         link_spec.
2369         * doc/install.texi: Document --enable-linker-build-id option.
2370         * configure: Rebuild.
2371         * config.in: Rebuild.
2372
2373 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
2374
2375         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
2376         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
2377         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
2378         MIPS_GP_SAVE_AREA_SIZE.
2379         * config/mips/mips.c (struct mips_frame_info): Update comment
2380         before arg_pointer_offset and hard_frame_pointer_offset.
2381         (mips_compute_frame_info): Update diagram before function: to
2382         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
2383         indicate the position of frame_pointer_rtx with -fstack-protector and
2384         to show args_size.  Don't allocate cprestore area for leaf functions
2385         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
2386         cprestore_size.
2387         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
2388
2389 2009-04-30  Michael Matz  <matz@suse.de>
2390
2391         PR tree-optimization/39955
2392         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
2393
2394 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
2395
2396         * ira.c (setup_cover_and_important_classes):  Use safe macro
2397         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
2398         directly.
2399         * genpreds.c (write_tm_preds_h):  Output suitable definition of
2400         REG_CLASS_FOR_CONSTRAINT.
2401
2402 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2403
2404         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
2405         instead of an int.
2406         * bitmap.c (bitmap_descriptor): Likewise.
2407         * ggc-common.c (loc_descriptor): Likewise.
2408         * varray.c (varray_descriptor): Likewise.
2409         * vec.c (vec_descriptor): Likewise.
2410
2411 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2412
2413         * Makefile.in (dce.o): Add $(EXCEPT_H).
2414         * dce.c: Include except.h and delete redundant vector definitions.
2415         (deletable_insn_p): Return false for non-call insns that can throw
2416         if DF is running.
2417
2418 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2419
2420         * gcse.c (ae_gen): Remove.
2421         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
2422         and make non-static function to make it available in store-motion.c.
2423         Update call sites with search-and-replace.
2424         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
2425         extract_mentioned_regs, extract_mentioned_regs_helper,
2426         find_moveable_store, compute_store_table, load_kills_store, find_loads,
2427         store_killed_in_insn, store_killed_after, store_killed_before,
2428         build_store_vectors, insert_insn_start_basic_block, insert-store,
2429         remove_reachable_equiv_notes, replace_store_insn, delete_store,
2430         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
2431         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
2432         * store-motion.c: ...new file.  Also copy data structures from gcse.c
2433         and clean up to remove parts not used by store motion.
2434         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
2435         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
2436
2437 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2438
2439         PR target/38571
2440         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
2441         when optimizing for size.
2442
2443 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
2444
2445         * gcse.c (gcse_constant_p): Fix typo in last change.
2446
2447 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2448
2449         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
2450
2451 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2452
2453         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
2454
2455 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
2456
2457         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
2458         CONST_HIGH_PART result.
2459
2460 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
2461
2462         * config/avr/avr.c (initial_elimination_offset): Rename to
2463         avr_initial_elimination_offset.
2464         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
2465         change return type to bool.
2466         (avr_can_eliminate): New function.
2467         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
2468         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
2469         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
2470         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
2471         avr_initial_elimination_offset.
2472         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
2473         (avr_initial_elimination_offset): Define.
2474
2475 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
2476             Steven Bosscher  <steven@gcc.gnu.org>
2477
2478         PR rtl-optimization/39938
2479         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
2480         * cfgrtl.c: Include insn-attr.h.
2481         (rest_of_pass_free_cfg): New function.
2482         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
2483         * resource.c (init_resource_info): Remove call to df_analyze.
2484
2485 2009-04-29  Richard Guenther  <rguenther@suse.de>
2486
2487         PR target/39943
2488         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
2489         allow conversion to signed integers.
2490
2491 2009-04-29  Richard Guenther  <rguenther@suse.de>
2492
2493         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
2494         shifts of floating point vectors if the shift amount is
2495         a constant multiple of the element size.
2496
2497 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2498             Michael Matz  <matz@suse.de>
2499
2500         PR middle-end/39927
2501         PR bootstrap/39929
2502         * tree-outof-ssa.c (emit_partition_copy): New function.
2503         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
2504         insert_part_to_rtx_on_edge): Perform the partition base var
2505         copy using emit_partition_copy.
2506         (insert_value_copy_on_edge): Convert constants to the right mode.
2507         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
2508         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
2509
2510 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2511
2512         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
2513         scan backwards to try to find a constant to initialize it.
2514
2515         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
2516         insn before the loop_end instruction, don't look past labels.
2517
2518 2009-04-29  Richard Guenther  <rguenther@suse.de>
2519
2520         PR middle-end/39937
2521         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2522         loose type conversions.
2523         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
2524         stmts only if there are no uses of its definition.
2525
2526 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2527
2528         * config/bfin/bfin.h (splitting_loops): Declare.
2529         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
2530         Reorder bit definitions to be ascending.
2531         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
2532         * config/bfin/bfin.c (splitting_loops): New variable.
2533         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
2534         (struct loop_info): Remove members INIT and LOOP_INIT.
2535         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
2536         the LSETUP sequence.  Allow LC to be loaded from any register, but
2537         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
2538         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
2539         set to 1.
2540         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
2541         of reload_completed.
2542
2543         From Jie Zhang:
2544         * config/bfin/bfin.md (movsi_insn): Refine constraints.
2545
2546 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
2547
2548         * Makefile.in (PLUGIN_VERSION_H): New.
2549         (OBJS-common): Remove plugin-version.o.
2550         (plugin.o): Depend on (PLUGIN_VERSION_H).
2551         (plugin-version.o): Remove.
2552         * configure: Regenerate
2553         * configure.ac: Create plugin-version.h.
2554         * gcc-plugin.h (plugin_gcc_version): Remove.
2555         (plugin_default_version_check): Change signature.
2556         * plugin-version.c: Remove.
2557         * plugin.c: Include plugin-version.h.
2558         (str_plugin_gcc_version_name): Remove.
2559         (try_init_one_plugin): Pass gcc version to plugin_init.
2560         (plugin_default_version_check): Both gcc and plugin versions are now
2561         arguments.
2562
2563 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2564         
2565         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
2566         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
2567         Remove special case testing for last insn of inner loops. Don't fail
2568         if the loop ends with a jump, emit an extra nop instead.
2569
2570         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
2571         DREGS rather than comparing directly.  Remove code that tries to
2572         account for latencies.
2573
2574 2009-04-29  Richard Guenther  <rguenther@suse.de>
2575
2576         PR tree-optimization/39941
2577         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
2578         eliminating an indirect call.
2579
2580 2009-04-29  Richard Guenther  <rguenther@suse.de>
2581
2582         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
2583         parameter.  Allow invariants as base if !require_lvalue.
2584         (verify_gimple_assign_single): Adjust.
2585
2586 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2587
2588         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
2589         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
2590         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
2591         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
2592         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
2593         a VEC_SELECT.
2594         * config/bfin/bfin.c (bfin_expand_builtin,
2595         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
2596
2597 2009-04-28  Richard Guenther  <rguenther@suse.de>
2598
2599         * tree-vect-loop.c (get_initial_def_for_induction): Use
2600         correct types for pointer increment.
2601
2602 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2603
2604         * toplev.c (print_version): Update GMP version string calculation.
2605
2606 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2607
2608         PR rtl-optimization/39938
2609         * resource.c (init_resource_info): Add call to df_analyze.
2610
2611 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2612
2613         * config/alpha/alpha.md (usegp): Cast the result of
2614         alpha_find_lo_sum_using_gp to enum attr_usegp.
2615         * config/alpha/alpha.c (override_options): Remove end-of-structure
2616         marker element from cpu_table.  Use array size of cpu_table to handle
2617         -mcpu and -mtune options.
2618         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
2619
2620 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
2621
2622         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
2623         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
2624         tune_32 and tune_64.
2625         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2626         support on PowerPC.
2627         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
2628         * config/rs6000/option-defaults.h: ... here.  New file.
2629         (OPT_64, OPT_32): Define.
2630         (MASK_64BIT): Define to 0 if not already defined.
2631         (OPT_ARCH64, OPT_ARCH32): Define.
2632         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
2633         and tune_64.
2634
2635 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2636
2637         * config/arm/arm.c (arm_override_options): Emit error on using
2638         fpa with AAPCS.
2639
2640 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2641
2642         PR rtl-optimization/39914
2643         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2644         registers for allocnos created from user-defined variables only
2645         when not optimizing.
2646
2647 2009-04-28  Richard Guenther  <rguenther@suse.de>
2648
2649         PR middle-end/39937
2650         * fold-const.c (fold_binary): Use distribute_real_division only
2651         on float types.
2652
2653 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
2654
2655         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
2656         add hpux-stdint.h to tm_file.
2657         (hppa[12]*-*-hpux11*): Ditto.
2658         (ia64*-*-hpux*): Ditto.
2659         * config/hpux-stdint.h: New.
2660         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
2661         __STDC_EXT__ for all compiles.
2662         * config/pa/pa-hpux.h: Ditto.
2663         * config/pa/pa-hpux10.h: Ditto.
2664         * config/pa/pa-hpux11.h: Ditto.
2665
2666 2009-04-28  Catherine Moore  <clm@codesourcery.com>
2667
2668         * debug.h (set_name): Add comment.
2669
2670 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
2671
2672         PR target/39929
2673         * config/darwin.c (machopic_gen_offset): Check
2674         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
2675         * config/arm/arm.c (require_pic_register): Likewise.
2676
2677 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
2678
2679         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
2680         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
2681         m32c_promote_prototypes): Delete.
2682
2683 2009-04-28  Michael Matz  <matz@suse.de>
2684
2685         PR middle-end/39922
2686         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
2687         constants.
2688
2689 2009-04-28  Richard Guenther  <rguenther@suse.de>
2690
2691         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
2692
2693 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2694
2695         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
2696         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
2697         * config/arm/arm-tune.md: Regenerate.
2698
2699 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
2700
2701         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
2702         block if there are complex incoming edges.
2703         (sel_merge_blocks): Remove useless assert.
2704         (sel_redirect_edge_and_branch): Check that edge was redirected.
2705         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
2706         (sel_find_rgns): Delete declaration.
2707         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
2708         the region when it is not a preheader.
2709
2710 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2711
2712         PR c/39323
2713         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
2714
2715 2009-04-28  Richard Guenther  <rguenther@suse.de>
2716
2717         * tree.h (SSA_NAME_VALUE): Remove.
2718         (struct tree_ssa_name): Remove value_handle member.
2719         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
2720         array for jump threading.
2721         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
2722         SSA_NAME_VALUEs.
2723         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
2724         * tree-flow.h (threadedge_initialize_values): Declare.
2725         (threadedge_finalize_values): Likewise.
2726         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
2727         (SSA_NAME_VALUE): Define.
2728         (threadedge_initialize_values): New function.
2729         (threadedge_finalize_values): Likewise.
2730         * tree-ssa-dom.c (ssa_name_values): New global variable.
2731         (SSA_NAME_VALUE): Define.
2732         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
2733
2734 2009-04-28  Ira Rosen  <irar@il.ibm.com>
2735
2736         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
2737         Use REPORT_VECTORIZED_LOCATIONS instead 
2738         REPORT_VECTORIZED_LOOPS.
2739         * tree-vectorizer.c (vect_verbosity_level): Make static.
2740         (vect_loop_location): Rename to vect_location.
2741         (vect_set_verbosity_level): Update comment.
2742         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
2743         and vect_location.
2744         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
2745         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
2746         instead REPORT_UNVECTORIZED_LOOPS.
2747         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
2748         and vect_loop_def to vect_external_def and vect_internal_def.
2749         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
2750         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
2751         REPORT_UNVECTORIZED_LOCATIONS.
2752         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
2753         and vect_used_in_loop and to vect_unused_in_scope and 
2754         vect_used_in_scope.
2755         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
2756         (vect_verbosity_level): Remove declaration.
2757         (vect_analyze_operations): Likewise.
2758         (vect_analyze_stmt): Declare.
2759         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
2760         REPORT_UNVECTORIZED_LOCATIONS.
2761         (vect_get_loop_niters): Fix indentation.
2762         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
2763         (vect_analyze_loop_operations): New function.
2764         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
2765         vect_analyze_operations.
2766         (vect_is_simple_reduction): Use new names.
2767         (vectorizable_live_operation, vect_transform_loop): Likewise.
2768         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
2769         to specify whether the data references can be a part of interleaving
2770         chain.
2771         (vect_analyze_data_ref_dependence): Use new names.
2772         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
2773         (vect_create_addr_base_for_vector_ref): Remove redundant code.
2774         * tree-vect-patterns.c (widened_name_p): Use new names.
2775         (vect_recog_dot_prod_pattern): Likewise.
2776         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
2777         (process_use, vect_mark_stmts_to_be_vectorized, 
2778         vect_model_simple_cost, vect_model_store_cost,
2779         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
2780         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2781         vectorizable_operation, vectorizable_type_demotion,
2782         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
2783         vectorizable_condition): Likewise.
2784         (vect_analyze_operations): Split into vect_analyze_loop_operations
2785         and ...
2786         (vect_analyze_stmt): ... new function.
2787         (new_stmt_vec_info): Use new names.
2788         (vect_is_simple_use): Use new names and fix comment.
2789         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
2790         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
2791
2792 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2793
2794         PR target/39911
2795         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
2796         and integer modes for x87 operands.  Do not ICE for unsupported size,
2797         generate error instead.  Generate error for unsupported operand types.
2798         ['z']: Do not handle HImode memory operands specially.  Warning
2799         for floating-point operands.  Fallthru to 'Z' for unsupported operand
2800         types.  Do not ICE for unsupported size, generate error instead.
2801         (output_387_binary_op): Use %Z to output operands.
2802         (output_fp_compare): Ditto.
2803         (output_387_reg_move): Ditto.
2804
2805 2009-04-28  Ben Elliston  <bje@au.ibm.com>
2806
2807         PR c++/35652
2808         Revert:
2809
2810         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2811
2812         * builtins.c (c_strlen): Do not warn here.
2813         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2814         * c-common.c (pointer_int_sum): Take an explicit location.
2815         Warn about offsets out of bounds.
2816         * c-common.h (pointer_int_sum): Adjust declaration.
2817
2818 2009-04-27  Ian Lance Taylor  <iant@google.com>
2819
2820         * collect2.c (is_ctor_dtor): Change type of ret field in struct
2821         names to symkind.
2822         * dce.c (run_fast_df_dce): Change type of old_flags to int.
2823         * df-core.c (df_set_flags): Change return type to int.  Change
2824         type of old_flags to int.
2825         (df_clear_flags): Likewise.
2826         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
2827         (df_get_conditional_uses): Likewise.
2828         * df.h (df_set_flags, df_clear_flags): Update declarations.
2829         * dwarf2out.c (struct indirect_string_node): Change type of form
2830         field to enum dwarf_form.
2831         (AT_string_form): Change return type to enum dwarf_form.
2832         * fixed-value.c (fixed_compare): Add cast to enum type.
2833         * fwprop.c (update_df): Change 0 to VOIDmode.
2834         * gensupport.c: Change 0 to UNKNOWN.
2835         * gimple.h (gimple_cond_code): Add cast to enum type.
2836         * haifa-sched.c (reemit_notes): Add cast to enum type.
2837         * hooks.c (hook_int_void_no_regs): Remove function.
2838         * hooks.h (hook_int_void_no_regs): Remove declaration.
2839         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
2840         * predict.c (combine_predictions_for_insn): Add casts to enum type.
2841         * real.c (real_arithmetic): Add cast to enum type.
2842         (real_compare): Likewise.
2843         * target.h (struct gcc_target): Change return type of
2844         branch_target_register_class to enum reg_class.
2845         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
2846         default_branch_target_register_class.
2847         * targhooks.c (default_branch_target_register_class): New function.
2848         * targhooks.h (default_branch_target_register_class): Declare.
2849         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
2850         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
2851         cast to int.
2852         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
2853         ERROR_MARK.
2854         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
2855         vect_uninitialized_def.  Change 0 to ERROR_MARK.
2856         * tree-vect-stmts.c (supportable_widening_operation): Don't
2857         initialize icode1 and icode2.
2858         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
2859         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
2860         and to STD_C89.
2861         (cmn_err_flag_specs): Change 0 to STD_C89.
2862         (cmn_err_char_table): Likewise.
2863         * config/arm/arm.c (get_arm_condition_code): Change type of code
2864         to enum arm_cond_code.
2865         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
2866         (IWMMXT_BUILTIN2): Likewise.
2867         (neon_builtin_type_bits): Don't define typedef.
2868         (neon_builtin_datum): Change type of bits field to int.
2869         (arm_expand_neon_args): Add cast to enum type.
2870         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
2871         TLS_MODEL_NONE.
2872         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
2873         casts to enum type.
2874         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
2875         MIPS_FP_COND_f.
2876         * config/mips/mips.md (jal_macro): Return enum constant.
2877         (single_insn): Likewise.
2878         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
2879         CODE_FOR_nothing.
2880         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2881         casts to enum type.
2882         * config/s390/s390.c (s390_tune_flags): Change type to int.
2883         (s390_arch_flags): Likewise.
2884         (s390_handle_arch_option): Change flags field of struct pta to int.
2885         * config/s390/s390.h (s390_tune_flags): Update declaration.
2886         (s390_arch_flags): Likewise.
2887         * config/sh/sh.c (prepare_move_operands): Compare
2888         tls_symbolic_operand result with enum constant.
2889         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
2890         (sh_expand_prologue): Add cast to enum type.
2891         (sh_expand_epilogue): Likewise.
2892         (tls_symbolic_operand): Change return type to enum tls_model.
2893         (fpscr_set_from_mem): Add cast to enum type.
2894         (legitimize_pic_address): Compare tls_symbolic_operand result with
2895         enum constant.
2896         (sh_target_reg_class): Change return type to enum reg_class.
2897         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
2898         PROCESSOR_xxx.
2899         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
2900         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
2901         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
2902         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
2903         (delayed_branch, tls_call_delay): Likewise.
2904         (eligible_for_sibcall_delay): Likewise.
2905         (eligible_for_return_delay): Likewise. 
2906         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
2907         (spu_expand_builtin_1): Likewise.
2908
2909         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
2910         for all types of conversions.
2911         (output_init_element): Issue -Wc++-compat warning if needed when
2912         initializing a bitfield with enum type.
2913         * c-parser.c (c_parser_expression): Set original_type to
2914         original_type of right hand operand of comman operator.
2915
2916 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2917
2918         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
2919         grammar nits.
2920         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
2921         * doc/cpp.texi (Standard Predefined Macros)
2922         (Implementation-defined behavior): Likewise.
2923         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
2924         * doc/gimple.texi (GIMPLE Exception Handling)
2925         (@code{GIMPLE_ASSIGN}): Likewise.
2926         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
2927         * doc/invoke.texi (Warning Options, Optimize Options)
2928         (AVR Options, Darwin Options): Likewise.
2929         (Optimize Options): Reformulate -fwhole-program description.
2930         * doc/loop.texi (Lambda): Likewise.
2931         * doc/md.texi (Output Template, Define Constraints)
2932         (Standard Names, Insn Splitting): Likewise.
2933         * doc/options.texi (Option properties): Likewise.
2934         * doc/passes.texi (Tree-SSA passes): Likewise.
2935         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
2936         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
2937         (File Names and DBX): Likewise.
2938         * doc/trouble.texi (Incompatibilities): Likewise.
2939
2940 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2941
2942         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
2943         instruction is correct.
2944
2945 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2946
2947         Allow non-constant arguments to conversion intrinsics.
2948         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
2949         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
2950         * spu.c (print_operand): Handle 'v' and 'w'.
2951         (exp2_immediate_p, spu_gen_exp2): Define.
2952         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
2953         spu_convtf_1): Update parameter descriptions.
2954         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
2955         * constraints.md ('v', 'w'): New.
2956         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
2957         Remove.
2958         (i2f, I2F): New define_mode_attr.
2959         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
2960         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
2961         fixuns_truncv4sfv4si2):  Update to use mode attribute.
2962         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
2963         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
2964         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
2965         patterns for combine.
2966
2967 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
2968
2969         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
2970         (cprop, hoist, pre, store_motion): New debug counters.
2971         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
2972         is not an RTL pass anymore.
2973         (pass_profiling): Remove extern decl for pass removed in 2005.
2974         (pass_gcse, pass_jump_bypass): Remove.
2975         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
2976         to 0 for clean state.
2977         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
2978         * cse.c (gate_handle_cse_after_global_opts,
2979         rest_of_handle_cse_after_global_opts): New functions.
2980         (pass_cse_after_global_opts): New pass, does local CSE.
2981         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
2982         (TV_CPROP): New timevar.
2983         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
2984         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
2985         (gcse_main, recompute_all_luids): Remove.
2986         (compute_hash_table_work): Call max_reg_num instead of reading
2987         max_gcse_regno.
2988         (cprop_jump): Don't set run_jump_opt_after_gcse.
2989         (constprop_register): Always allow to alter jumps.
2990         (cprop_insn): Likewise.
2991         (do_local_cprop): Likewise.
2992         (local_cprop_pass): Likewise.  Return non-zero if something changed.
2993         (cprop): Remove function, fold interesting bits into one_cprop_pass.
2994         (find_implicit_sets): Add note about missed optimization opportunity.
2995         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
2996         pass_rtl_cprop execute function.
2997         Don't bother tracking the pass number, each pass gets its own dumpfile
2998         now anyway.
2999         Always allow to alter jumpsand bypass jumps.
3000         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
3001         will just find no suitable set.
3002         (pre_edge_insert): Fix dumping, this function is for PRE only.
3003         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
3004         pass_rtl_pre execute function.
3005         (hoist_code): Return non-zero if something changed.  Keep track of
3006         substitutions and insertions for statistics gathering similar to PRE.
3007         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
3008         called from the pass_rtl_hoist execute function.  Show pass statistics.
3009         (compute_store_table): Use max_reg_num directly instead of using the
3010         formerly global max_gcse_regno.
3011         (build_store_vectors): Likewise.
3012         (replace_store_insn): Fix dumping.
3013         (store_motion): Rename to ...
3014         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
3015         pass, called from the pass_rtl_store_motion execute function.  Keep
3016         track of substitutions and insertions for statistics gathering similar
3017         to PRE.
3018         (bypass_jumps): Remove, fold interesting bits into ...
3019         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
3020         from the pass_rtl_cprop execute function.
3021         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
3022         pass_jump_bypass): Remove.
3023         (gate_handle_gcse, rest_of_handle_gcse): Remove.
3024         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
3025         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
3026         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
3027         (gate_rtl_store_motion, execute_rtl_store_motion,
3028         pass_rtl_store_motion): New.
3029         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
3030         make it clear that -fcse-skip-blocks is a no-op for backward compat.
3031         * passes.c (init_optimization_passes): Remove pass_gcse and
3032         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
3033         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
3034         instead of pass_jump_bypass.
3035
3036 2009-04-27  Richard Guenther  <rguenther@suse.de>
3037
3038         PR middle-end/39928
3039         * gimplify.c (gimplify_expr): If we are required to create
3040         a temporary make sure it ends up as register.
3041
3042 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3043
3044         PR target/39903
3045         * config/i386/i386.c (construct_container): Don't call
3046         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
3047         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
3048
3049 2009-04-27  Michael Matz  <matz@suse.de>
3050
3051         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
3052         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
3053         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
3054         (dump_replaceable_exprs): Take a bitmap.
3055         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
3056         array.
3057         (expand_gimple_basic_block): Likewise.
3058         * tree-ssa-ter.c (struct temp_expr_table_d): Make
3059         replaceable_expressions member a bitmap.
3060         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
3061         (mark_replaceable): Likewise.
3062         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
3063         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
3064
3065 2009-04-27  Richard Guenther  <rguenther@suse.de>
3066
3067         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
3068         (verify_stmts): Dispatch to gimple/type verification code.
3069         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
3070         issue with call argument types.
3071
3072 2009-04-27  Michael Matz  <matz@suse.de>
3073
3074         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
3075         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
3076         to above.
3077
3078 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
3079             Eric Botcazou  <ebotcazou@adacore.com>
3080
3081         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
3082         a label's basic block.
3083         (mark_target_live_regs): Tidy and rework obsolete comments.
3084         Change back DF problem to LIVE.  If a label starts a basic block,
3085         assume that all registers that used to be live then still are.
3086         (init_resource_info): If a label starts a basic block, set its
3087         BLOCK_FOR_INSN accordingly.
3088         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
3089
3090 2009-04-27  Richard Guenther  <rguenther@suse.de>
3091
3092         * tree-flow-inline.h (function_ann): Remove.
3093         (get_function_ann): Likewise.
3094         * tree-dfa.c (create_function_ann): Remove.
3095         * tree-flow.h (struct static_var_ann_d): Remove.
3096         (struct function_ann_d): Likewise.
3097         (union tree_ann_d): Remove fdecl member.
3098         (function_ann_t): Remove.
3099         (function_ann, get_function_ann, create_function_ann): Remove
3100         declarations.
3101
3102 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
3103
3104         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
3105
3106 2009-04-27  Jan Hubicka  <jh@suse.cz>
3107
3108         * ipa-pure-const.c (struct funct_state_d): New fields
3109         state_previously_known, looping_previously_known; remove
3110         state_set_in_source.
3111         (analyze_function): Use new fields.
3112         (propagate): Avoid assumption that state_set_in_source imply
3113         nonlooping.
3114
3115         * tree-ssa-loop-niter.c (finite_loop_p): New function.
3116         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
3117         * cfgloop.h (finite_loop_p): Declare.
3118
3119 2009-04-26  Michael Matz  <matz@suse.de>
3120
3121         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
3122
3123 2009-04-26  Michael Matz  <matz@suse.de>
3124
3125         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
3126         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
3127         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
3128         pass_mark_used_blocks): Remove.
3129         * tree-optimize.c (pass_free_datastructures,
3130         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
3131         * passes.c (init_optimization_passes): Don't call
3132         pass_mark_used_blocks, remove dead code.
3133
3134 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
3135
3136         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
3137         * tree-ssa-live.h (register_ssa_partition): Likewise.
3138
3139 2009-04-26  Michael Matz  <matz@suse.de>
3140
3141         Expand from SSA.
3142         * builtins.c (fold_builtin_next_arg): Handle SSA names.
3143         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
3144         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
3145         SSA names. 
3146         (compare_pairs): Swap cost comparison.
3147         (coalesce_ssa_name): Don't use change_partition_var.
3148         * tree-nrv.c (struct nrv_data): Add modified member.
3149         (finalize_nrv_r): Set it.
3150         (tree_nrv): Use it to update statements.
3151         (pass_nrv): Require PROP_ssa.
3152         * tree-mudflap.c (mf_decl_cache_locals,
3153         mf_build_check_statement_for): Use make_rename_temp.
3154         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
3155         * alias.c (find_base_decl): Handle SSA names.
3156         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
3157         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
3158         * rtl.h (set_reg_attrs_for_parm): Declare.
3159         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
3160         to "optimized", remove unused locals at finish.
3161         (execute_free_datastructures): Make global, call
3162         delete_tree_cfg_annotations.
3163         (execute_free_cfg_annotations): Don't call
3164         delete_tree_cfg_annotations.
3165
3166         * ssaexpand.h: New file.
3167         * expr.c (toplevel): Include ssaexpand.h.
3168         (expand_assignment): Handle SSA names the same as register variables.
3169         (expand_expr_real_1): Expand SSA names.
3170         * cfgexpand.c (toplevel): Include ssaexpand.h.
3171         (SA): New global variable.
3172         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
3173         (SSAVAR): New macro.
3174         (set_rtl): New helper function.
3175         (add_stack_var): Deal with SSA names, use set_rtl.
3176         (expand_one_stack_var_at): Likewise.
3177         (expand_one_stack_var): Deal with SSA names.
3178         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
3179         before unique numbers.
3180         (expand_stack_vars): Use set_rtl.
3181         (expand_one_var): Accept SSA names, add asserts for them, feed them
3182         to above subroutines.
3183         (expand_used_vars): Expand all partitions (without default defs),
3184         then only the local decls (ignoring those expanded already).
3185         (expand_gimple_cond): Remove edges when jumpif() expands an
3186         unconditional jump.
3187         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
3188         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
3189         SSA name.
3190         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
3191         members of SA; deal with PARM_DECL partitions here; expand
3192         all PHI nodes, free tree datastructures and SA.  Commit instructions
3193         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
3194         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
3195         info and statements at start, collect garbage at finish.
3196         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
3197         (VAR_ANN_PARTITION) Remove.
3198         (change_partition_var): Don't declare.
3199         (partition_to_var): Always return SSA names.
3200         (var_to_partition): Only accept SSA names.
3201         (register_ssa_partition): Only check argument.
3202         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
3203         member.
3204         (delete_var_map): Don't free it.
3205         (var_union): Only accept SSA names, simplify.
3206         (partition_view_init): Mark only useful SSA names as used.
3207         (partition_view_fini): Only deal with SSA names.
3208         (change_partition_var): Remove.
3209         (dump_var_map): Use ssa_name instead of partition_to_var member.
3210         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
3211         basic blocks.
3212         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
3213         (struct _elim_graph): New member const_dests; nodes member vector of
3214         ints.
3215         (set_location_for_edge): New static helper.
3216         (create_temp): Remove.
3217         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
3218         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
3219         (new_elim_graph): Allocate const_dests member.
3220         (clean_elim_graph): Truncate const_dests member.
3221         (delete_elim_graph): Free const_dests member.
3222         (elim_graph_size): Adapt to new type of nodes member.
3223         (elim_graph_add_node): Likewise.
3224         (eliminate_name): Likewise.
3225         (eliminate_build): Don't take basic block argument, deal only with
3226         partition numbers, not variables.
3227         (get_temp_reg): New static helper.
3228         (elim_create): Use it, deal with RTL temporaries instead of trees.
3229         (eliminate_phi): Adjust all calls to new signature.
3230         (assign_vars, replace_use_variable, replace_def_variable): Remove.
3231         (rewrite_trees): Only do checking.
3232         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
3233         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
3234         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
3235         contains_tree_r, MAX_STMTS_IN_LATCH,
3236         process_single_block_loop_latch, analyze_edges_for_bb,
3237         perform_edge_inserts): Remove.
3238         (expand_phi_nodes): New global function.
3239         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
3240         functions, initialize new parameter, remember partitions having a
3241         default def.
3242         (finish_out_of_ssa): New global function.
3243         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
3244         don't reset in_ssa_p here, don't disable TER when mudflap.
3245         (pass_del_ssa): Remove.
3246         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
3247         partition members.
3248         (execute_free_datastructures): Declare.
3249         * Makefile.in (SSAEXPAND_H): New variable.
3250         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
3251         * basic-block.h (commit_one_edge_insertion): Declare.
3252         * passes.c (init_optimization_passes): Move pass_nrv and
3253         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
3254         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
3255         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
3256         (redirect_branch_edge): Deal with super block when expanding, split
3257         out jump patching itself into ...
3258         (patch_jump_insn): ... here, new static helper.
3259
3260 2009-04-26  Michael Matz  <matz@suse.de>
3261
3262         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
3263         beyond num_ssa_names.
3264         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
3265         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
3266
3267 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3268
3269         PR inline-asm/39543
3270         * fwprop.c (forward_propagate_asm): New function.
3271         (forward_propagate_and_simplify): Propagate also into __asm, if it
3272         doesn't increase the number of referenced registers.
3273
3274         PR c/39889
3275         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
3276
3277 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3278
3279         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
3280         note_nonlocal_vla_type for nonlocal VLAs.
3281         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
3282         contains_remapped_vars, remap_vla_decls): New functions.
3283         (convert_nonlocal_reference_stmt): If not optimizing, call
3284         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
3285         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
3286         if it wasn't found in var_map.
3287         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
3288         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
3289         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
3290         declare_vars.
3291         * gimplify.c (nonlocal_vlas): New variable.
3292         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
3293         referenced VLAs.
3294         (gimplify_body): Create and destroy nonlocal_vlas.
3295
3296         * dwarf2out.c (loc_descr_plus_const): New function.
3297         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
3298         mem_loc_descriptor, loc_descriptor_from_tree_1,
3299         descr_info_loc, gen_variable_die): Use it.
3300
3301         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
3302         !TREE_STATIC VAR_DECLs.
3303         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
3304         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
3305         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
3306         DECL_BY_REFERENCE is valid.
3307         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
3308         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
3309         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
3310         Copy DECL_BY_REFERENCE.
3311         (struct nesting_copy_body_data): New type.
3312         (nesting_copy_decl): New function.
3313         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
3314         if they have variable length.
3315
3316 2009-04-26  Michael Matz  <matz@suse.de>
3317
3318         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
3319         mark new temporaries for renaming.
3320
3321 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3322
3323         PR c/39581
3324         * c-decl.c (global_bindings_p): Return negative value.
3325         (c_variable_size): New.  Based on variable_size from
3326         stor-layout.c.
3327         (grokdeclarator): Call c_variable_size not variable_size.
3328
3329 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
3330
3331         * config/i386/i386.c (print_operand) ['z']: Fix typo.
3332
3333 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
3334
3335         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
3336         Redefine it to just use mingw/include.
3337         (ASM_SPEC): Rules for -m32 and -m64.
3338         (LINK_SPEC): Use Likewise.
3339         (SPEC_32): New define.
3340         (SPEC_64): Likewise.
3341         (SUB_LINK_SPEC): Likewise.
3342         (MULTILIB_DEFAULTS): New define.
3343         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
3344         Add multilib options.
3345         (MULTILIB_DIRNAMES): Likewise.
3346         (MULTILIB_OSDIRNAMES): Likewise.
3347         (LIBGCC): Likewise.
3348         (INSTALL_LIBGCC): Likewise.
3349
3350 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3351
3352         PR c/39556
3353         * c-tree.h (enum c_inline_static_type): New.
3354         (record_inline_static): Declare.
3355         * c-decl.c (struct c_inline_static, c_inline_statics,
3356         record_inline_static, check_inline_statics): New.
3357         (pop_file_scope): Call check_inline_statics.
3358         (start_decl): Call record_inline_static instead of pedwarning
3359         directly for static in inline function.
3360         * c-typeck.c (build_external_ref): Call record_inline_static
3361         instead of pedwarning directly for static referenced in inline
3362         function.
3363
3364 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
3365
3366         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
3367         not new but only being rescanned.
3368         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
3369         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
3370         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
3371         record_set_info, compute_set, grealloc): Remove.
3372         (recompute_all_luids): New function.
3373         (gcse_main): Don't compute sets, and don't do related memory
3374         allocations/free-ing.  If something changed before the end of the
3375         pass, update LUIDs using recompute_all_luids.
3376         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
3377         (free_gcse_mem): Don't free it either.
3378         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
3379         Use the df insn LUIDs.
3380         (load_killed_in_block): Likewise.
3381         (compute_hash_table_work): Don't compute reg_set_in_block.
3382         (compute_transp): Use DF_REG_DEF_CHAINs.
3383         (local_cprop_pass): Don't use compute_sets and related functions.
3384         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
3385         Use get_max_uid() instead of max_cuid.
3386         (insert_insn_end_basic_block, pre_insert_copy_insn,
3387         update_ld_motion_stores): Don't try to
3388         keep reg_set tables up to date.
3389         (pre_insert_copies): Use df insn LUIDs.
3390         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
3391         (reg_set_info): Don't use extra bitmap argument.
3392         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
3393         information to compute regs_set_in_block.
3394         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
3395         (bypass_jumps): Don't use compute_sets and friends.
3396
3397 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3398
3399         PR testsuite/39710
3400         * opts.c (undocumented_msg): Do not leave blank even with
3401         ENABLE_CHECKING.
3402
3403 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3404
3405         * c-decl.c (build_enumerator): Allow values folding to integer
3406         constants but not integer constant expressions with a pedwarn if
3407         pedantic.
3408
3409 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3410
3411         PR c/39582
3412         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
3413         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
3414         type is an integer constant.
3415
3416 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3417
3418         PR target/39897
3419         * config/i386/i386.c (print_operand) ['z']: Revert handling of
3420         HImode operands.
3421
3422 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3423
3424         PR c/39564
3425         * c-decl.c (grokdeclarator): Diagnose declarations of functions
3426         with variably modified return type and no storage class
3427         specifiers, except for the case of nested functions.  Distinguish
3428         extern declarations of functions with variably modified return
3429         types from those of objects with variably modified types.
3430
3431 2009-04-25  Jan Hubicka  <jh@suse.cz>
3432
3433         * tree.c (list_equal_p): New function.
3434         * tree.h (list_equal_p): Declare.
3435         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3436         basic_block_def, basic_block, const_basic_block): New.
3437         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
3438         (redirect_eh_edge): New function.
3439         (make_eh_edge_update_phi): EH edges are not abnormal.
3440         * except.c: Include tree-flow.h.
3441         (list_match): New function.
3442         (eh_region_replaceable_by_p): New function.
3443         (replace_region): New function.
3444         (hash_type_list): New function.
3445         (hash_eh_region): New function.
3446         (eh_regions_equal_p): New function.
3447         (merge_peers): New function.
3448         (remove_unreachable_regions): Verify EH tree when checking;
3449         merge peers.
3450         (copy_eh_region_1): New function.
3451         (copy_eh_region): New function.
3452         (push_reachable_handler): New function.
3453         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
3454         regions without label but with live RESX.
3455         * except.h (redirect_eh_edge_to_label): New.
3456         * tree-flow.h (redirect_eh_edge): New.
3457         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3458         basic_block_def, basic_block, const_basic_block): Remove.
3459         * Makefile.in (except.o): Add dependency on tree-flow.h
3460         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
3461         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
3462         Remove.
3463
3464 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
3465
3466         PR bootstrap/39645
3467         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
3468         on the destination of memcpy.
3469
3470 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
3471
3472         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
3473         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
3474         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
3475
3476 2009-04-25  Jan Hubicka  <jh@suse.cz>
3477
3478         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
3479         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
3480         to be reached by different label than left.
3481         (update_eh_edges): Update comment; remove edge_to_remove if possible
3482         and return true if suceeded.
3483         (cleanup_empty_eh): Accept sharing map; handle shared regions.
3484         (cleanup_eh): Compute sharing map.
3485         * except.c (remove_eh_handler_and_replace): Add argument if we should
3486         update regions.
3487         (remove_unreachable_regions): Update for label sharing.
3488         (label_to_region_map): Likewise.
3489         (get_next_region_sharing_label): New function.
3490         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
3491         prev_try pointers.
3492         (remove_eh_handler): Update.
3493         (remove_eh_region_and_replace_by_outer_of): New function.
3494         * except.h (struct eh_region): Add next_region_sharing_label.
3495         (remove_eh_region_and_replace_by_outer_of,
3496         get_next_region_sharing_label): Declare.
3497         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
3498
3499 2009-04-25  Jan Hubicka  <jh@suse.cz>
3500
3501         * tree-cfg.c (split_critical_edges): Split also edges where we can't
3502         insert code even if they are not critical.
3503
3504 2009-04-25  Jan Hubicka  <jh@suse.cz>
3505
3506         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3507         (gimple_can_remove_branch_p): EH edges won't remove branch by
3508         redirection.
3509         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
3510         updating of non-abnormal EH edges.
3511         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3512         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
3513         (split_critical_edges): Split also edges where emitting code on them
3514         will lead to splitting later.
3515
3516 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3517             H.J. Lu  <hongjiu.lu@intel.com>
3518
3519         PR target/39590
3520         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
3521         the configured assembler supports fildq and fistpq mnemonics.
3522         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
3523         * configure: Regenerated.
3524         * config.in: Ditto.
3525
3526         * config/i386/i386.c (print_operand): Handle 'Z'.
3527         ['z']: Remove handling of special fild/fist suffixes.
3528         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
3529         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
3530         suffix of fild insn.
3531         (*floatsi<mode>2_vector_mixed): Ditto.
3532         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
3533         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
3534         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
3535         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
3536         * config/i386/gas.h (GAS_MNEMONICS): Remove.
3537
3538 2009-04-25  Ben Elliston  <bje@au.ibm.com>
3539  
3540         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
3541         the source of a set operation.
3542
3543 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
3544
3545         * target.h (struct gcc_target): Add case_values_threshold field.
3546         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
3547         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
3548         * targhooks.c (default_case_values_threshold): New function.
3549         * targhooks.h (default_case_values_threshold): Declare function.
3550         * stmt.c (expand_case): Use case_values_threshold target hook.
3551         * expr.h (case_values_threshold): Remove declartation.
3552         * expr.c (case_values_threshold): Remove function.
3553         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
3554
3555         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
3556         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3557         (avr_case_values_threshold): Declare as static.
3558         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
3559
3560         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
3561         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3562         (mn10300_case_values_threshold): New function.
3563
3564 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3565
3566         * ira.c (setup_cover_and_important_classes): Add enum cast.
3567
3568 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
3569
3570         * genpreds.c (write_enum_constraint_num): Output definition of
3571         CONSTRAINT_NUM_DEFINED_P macro.
3572         * ira.c (setup_cover_and_important_classes): Use
3573         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
3574         
3575 2009-04-24  DJ Delorie  <dj@redhat.com>
3576
3577         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
3578         __SH2A_SINGLE_ONLY__ also.
3579
3580 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
3581
3582         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
3583         (movdf_internal): Ditto.
3584         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
3585         SFmode and DFmode constants.
3586         (ia64_print_operand): Add 'G' format for printing
3587         floating point constants.
3588
3589 2009-04-24  Richard Guenther  <rguenther@suse.de>
3590
3591         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
3592         from unsigned additions.
3593
3594 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
3595
3596         * c-typeck.c (set_init_index): Allow array designators that are
3597         not integer constant expressions with a pedwarn if pedantic.
3598
3599 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3600
3601         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
3602         zero if no overlap in nonzero bits between the operands.
3603
3604 2009-04-24  Ian Lance Taylor  <iant@google.com>
3605
3606         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
3607         (record_dead_and_set_regs): Likewise.
3608         * df.h (struct df_mw_hardreg): Change flags field to int.
3609         (struct df_base_ref): Likewise.
3610         (struct df): Change changeable_flags field to int.
3611         * df-scan.c (df_defs_record): Change clobber_flags to int.
3612         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
3613         constants rather than #define macros.
3614         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
3615         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
3616         (enum dwarf_calling_convention): Likewise.
3617         (enum dwarf_line_number_x_ops): Likewise.
3618         (enum dwarf_call_frame_info): Likewise.
3619         (enum dwarf_source_language): Likewise.
3620         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
3621         (add_calling_convention_attribute): Likewise.
3622         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
3623         (combine_comparisons): Change compcode to int.  Add cast to enum type.
3624         * genrecog.c (maybe_both_true_2): Change c to int.
3625         (write_switch): Likewise.  Add cast to enum type.
3626         * gimplify.c (gimplify_omp_for): Handle return values from
3627         gimplify_expr using MIN rather than bitwise or.
3628         (gimplify_expr): Add cast to enum type.
3629         * ipa-prop.c (update_jump_functions_after_inlining): Change
3630         IPA_BOTTOM to IPA_JF_UNKNOWN.
3631         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
3632         Add casts to enum type.
3633         (setup_cover_and_important_classes): Change cl to int.  Add casts
3634         to enum type.
3635         (setup_class_translate): Change cl and mode to int.
3636         (ira_init_once): Change mode to int.
3637         (free_register_move_costs): Likewise.
3638         (setup_prohibited_mode_move_regs): Add casts to enum type.
3639         * langhooks.c (add_builtin_function_common): Rework assertion that
3640         value fits bitfield.
3641         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
3642         * omega.c (omega_do_elimination): Avoid math on enum types.
3643         * optabs.c (expand_vec_shift_expr): Remove casts to int.
3644         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
3645         int local to handle integral_argment value.
3646         * regmove.c (try_auto_increment): Change PUT_MODE to
3647         PUT_REG_NOTE_KIND.
3648         * reload.c (push_secondary_reload): Add casts to enum type.
3649         (secondary_reload_class, find_valid_class): Likewise.
3650         * reload1.c (emit_input_reload_insns): Likewise.
3651         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
3652         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
3653         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
3654         constant.
3655         * tree.c (build_common_builtin_nodes): Add casts to enum type.
3656         * tree-complex.c (complex_lattice_t): Typedef to int rather than
3657         enum type.
3658         (expand_complex_libcall): Add casts to enum type.
3659         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
3660         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
3661         with ERROR_MARK, not NUM_TREE_CODES.
3662         (vect_create_epilog_for_reduction): Likewise.
3663         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
3664         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
3665         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
3666         enum machine_mode.
3667         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
3668         vect_unused_in_loop.  Change 0 to loop_vect.
3669         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
3670         * var-tracking.c (get_init_value): Change return type to enum
3671         var_init_status.
3672         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
3673         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
3674         arm_fp_model.
3675         (arm_override_options): Add casts to enum type.
3676         (arm_emit_tls_decoration): Likewise.
3677         * config/i386/i386.c (ix86_function_specific_restore): Add casts
3678         to enum type.
3679         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
3680         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
3681         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
3682         enum type.
3683         * config/s390/s390.c (code_for_builtin_64): Change to array of
3684         enum insn_code.
3685         (code_for_builtin_31): Likewise.
3686         (s390_expand_builtin): Change code_for_builtin to enum insn_code
3687         const *.
3688         * config/sparc/sparc.c (sparc_override_options): Change value
3689         field in struct code_model to enum cmodel.  In initializer change
3690         0 to NULL and add cast to enum type.
3691
3692         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
3693         Change all callers.  Issue a -Wc++-compat warning using
3694         lhs_origtype if necessary.
3695         (convert_for_assignment): Issue -Wc++-compat warnings about
3696         invalid conversions to enum type on assignment.
3697         * c-common.h (build_modify_expr): Update declaration.
3698
3699 2009-04-24  Nick Clifton  <nickc@redhat.com>
3700
3701         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
3702         (function_arg_advance): Likewise.
3703         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
3704         5th alternative.
3705
3706 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3707
3708         * config/s390/constraints.md ('I', 'J'): Fix condition.
3709
3710 2009-04-24  Diego Novillo  <dnovillo@google.com>
3711
3712         * gengtype-parse.c (parse_error): Add newline after message.
3713
3714 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3715
3716         * config/i386/sse.md (avxmodesuffixs): Removed.
3717         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
3718         (*avx_pinsr<ssevecsize>): This.
3719
3720 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3721
3722         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
3723         follow chains of regs with a single definition, and allow expressions
3724         that are function_invariant_p.
3725         (simple_rhs_p): Allow expressions that are function_invariant_p.
3726
3727 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
3728
3729         PR middle-end/39867
3730         * fold-const.c (fold_cond_expr_with_comparison): When folding
3731         > and >= to MAX, make sure the MAX uses the same type as the
3732         comparison's operands.
3733
3734 2009-04-24  Nick Clifton  <nickc@redhat.com>
3735
3736         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
3737         addressing for DImode accesses.
3738         (frv_print_operand_address): Handle PLUS case.
3739         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
3740
3741 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
3742
3743         PR rtl-optimization/39794
3744         * alias.c (canon_true_dependence): Add x_addr argument.
3745         * rtl.h (canon_true_dependence): Adjust prototype.
3746         * cse.c (check_dependence): Adjust canon_true_dependence callers.
3747         * cselib.c (cselib_invalidate_mem): Likewise.
3748         * gcse.c (compute_transp): Likewise.
3749         * dse.c (scan_reads_nospill): Likewise.
3750         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
3751         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
3752         canon_base_addr of the group, plus optional offset.
3753         (struct group_info): Rename canon_base_mem to
3754         canon_base_addr.
3755         (get_group_info): Set canon_base_addr to canon_rtx of base, not
3756         canon_rtx of base_mem.
3757
3758 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
3759
3760         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
3761         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
3762
3763 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3764
3765         * config/spu/spu-builtins.h: Delete file.
3766
3767         * config/spu/spu.h (enum spu_builtin_type): Move here from
3768         spu-builtins.h.
3769         (struct spu_builtin_description): Likewise.  Add GTY marker.
3770         Do not use enum spu_function_code or enum insn_code.
3771         (spu_builtins): Add extern declaration.
3772
3773         * config/spu/spu.c: Do not include "spu-builtins.h".
3774         (enum spu_function_code, enum spu_builtin_type_index,
3775         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
3776         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
3777         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
3778         unsigned_V2DI_type_node): Move here from spu-builtins.h.
3779         (spu_builtin_types): Make static.  Add GTY marker.
3780         (spu_builtins): Add extern declaration with GTY marker.
3781         Include "gt-spu.h".
3782
3783         * config/spu/spu-c.c: Do not include "spu-builtins.h".
3784         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
3785         Check programmatically whether all parameters are scalar.
3786
3787         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
3788
3789 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
3790
3791         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
3792         assignment from the constructor either if the target is volatile.
3793
3794 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
3795
3796         * config/arm/arm.md (insv): Do not share operands[0].
3797
3798 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
3799
3800         * config/vxlib-tls.c (active_tls_threads): Delete.
3801         (delete_hook_installed): New.
3802         (tls_delete_hook): Don't delete the delete hook.
3803         (tls_destructor): Delete it here.
3804         (__gthread_set_specific): Adjust installing the delete hook.
3805         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
3806         __gthread_leave_tsd_dtor_context.
3807
3808 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
3809
3810         * c-format.c (gcc_tdiag_char_table): Add support for %E.
3811
3812 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
3813
3814         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
3815         enum type.
3816         (alpha_rtx_costs): Ditto.
3817         (emit_unlikely_jump): Use add_reg_note.
3818         (emit_frame_store_1): Ditto.
3819         (alpha_expand_prologue): Ditto.
3820         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3821         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
3822
3823 2009-04-23  Nick Clifton  <nickc@redhat.com>
3824
3825         * config/v850/v850.md (epilogue): Remove suppressed code.
3826         (return): Rename to return_simple and remove test of frame size.
3827         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
3828         to gen_return_simple.
3829
3830 2009-04-22  Jing Yu  <jingyu@google.com>
3831
3832         PR testsuite/39781
3833         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3834
3835 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3836
3837         PR C/31499
3838         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
3839         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
3840         value is a VECTOR_CST, the element type is the element type of the
3841         vector.
3842
3843 2009-04-22  DJ Delorie  <dj@redhat.com>
3844
3845         * config/m32c/m32c.h: Update GTY annotations to new syntax.
3846
3847 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
3848
3849         * alias.c (find_base_term): Move around LO_SUM case, so that
3850         CONST falls through into PLUS/MINUS handling.
3851
3852         PR c/39855
3853         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
3854         into 0, use omit_one_operand.
3855
3856 2009-04-23  Ben Elliston  <bje@au.ibm.com>
3857
3858         * config/rs6000/linux-unwind.h (get_regs): Remove type
3859         puns. Change the type of `pc' to an array of unsigned ints and
3860         update all users.  Constify frame24.
3861
3862 2009-04-22  DJ Delorie  <dj@redhat.com>
3863
3864         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
3865         declarations before code.
3866         (current_function_special_page_vector): Likewise.
3867         (m32c_expand_insv): Silence a warning.
3868
3869 2009-04-21  Taras Glek  <tglek@mozilla.com>
3870
3871         * alias.c: Update GTY annotations to new syntax.
3872         * basic-block.h: Likewise.
3873         * bitmap.h: Likewise.
3874         * c-common.h: Likewise.
3875         * c-decl.c: Likewise.
3876         * c-parser.c: Likewise.
3877         * c-pragma.c: Likewise.
3878         * c-tree.h: Likewise.
3879         * cfgloop.h: Likewise.
3880         * cgraph.h: Likewise.
3881         * config/alpha/alpha.c: Likewise.
3882         * config/arm/arm.h: Likewise.
3883         * config/avr/avr.h: Likewise.
3884         * config/bfin/bfin.c: Likewise.
3885         * config/cris/cris.c: Likewise.
3886         * config/darwin.c: Likewise.
3887         * config/frv/frv.c: Likewise.
3888         * config/i386/i386.c: Likewise.
3889         * config/i386/i386.h: Likewise.
3890         * config/i386/winnt.c: Likewise.
3891         * config/ia64/ia64.h: Likewise.
3892         * config/iq2000/iq2000.c: Likewise.
3893         * config/mips/mips.c: Likewise.
3894         * config/mmix/mmix.h: Likewise.
3895         * config/pa/pa.c: Likewise.
3896         * config/pa/pa.h: Likewise.
3897         * config/rs6000/rs6000.c: Likewise.
3898         * config/s390/s390.c: Likewise.
3899         * config/sparc/sparc.c: Likewise.
3900         * config/xtensa/xtensa.c: Likewise.
3901         * cselib.h: Likewise.
3902         * dbxout.c: Likewise.
3903         * dwarf2out.c: Likewise.
3904         * except.c: Likewise.
3905         * except.h: Likewise.
3906         * fixed-value.h: Likewise.
3907         * function.c: Likewise.
3908         * function.h: Likewise.
3909         * gimple.h: Likewise.
3910         * integrate.c: Likewise.
3911         * optabs.c: Likewise.
3912         * output.h: Likewise.
3913         * real.h: Likewise.
3914         * rtl.h: Likewise.
3915         * stringpool.c: Likewise.
3916         * tree-data-ref.c: Likewise.
3917         * tree-flow.h: Likewise.
3918         * tree-scalar-evolution.c: Likewise.
3919         * tree-ssa-address.c: Likewise.
3920         * tree-ssa-alias.h: Likewise.
3921         * tree-ssa-operands.h: Likewise.
3922         * tree.c: Likewise.
3923         * tree.h: Likewise.
3924         * varasm.c: Likewise.
3925         * varray.h: Likewise.
3926         * vec.h: Likewise.
3927         * coretypes.h: Do not define GTY macro if it is already defined.
3928         * doc/gty.texi: Update GTY documentation to new syntax.
3929         * gengtype-lex.l: Enforce attribute-like syntax for GTY
3930         annotations on structs.
3931         * gengtype-parse.c: Likewise.
3932
3933 2009-04-22  Mark Heffernan  <meheff@google.com>
3934
3935         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
3936
3937 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3938
3939         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
3940         where appropriate.
3941
3942 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3943
3944         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
3945         the same as a PLUS without a shift.  Increase the cost of a
3946         CONST_INT in MULT.
3947
3948 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3949
3950         * Makefile.in: Update dependencies.
3951         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
3952         * errors.h: Remove bogus comment about compatibility.
3953         (warning): Update declaration.
3954         * genautomata.c: Update all calls to warning.
3955         * gimple.c: Do not include errors.h. Include toplev.h.
3956         * tree-ssa-structalias.c: Do not include errors.h.
3957         * omega.c: Likewise.
3958         * tree-ssa-reassoc.c: Likewise.
3959         * config/spu/spu-c.c: Likewise.
3960         * config/spu/t-spu-elf: Update dependencies.
3961
3962 2009-04-22  Richard Guenther  <rguenther@suse.de>
3963
3964         PR tree-optimization/39824
3965         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
3966         make sure the types are compatible.
3967
3968 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3969
3970         PR c++/14875
3971         * c-common.c (c_parse_error): Take a token_flags parameter.
3972         Use token_type for the token type instead.
3973         Pass token_flags to cpp_type2name.
3974         * c-common.h (c_parse_error): Update declaration.
3975         * c-parser.c (c_parser_error): Pass 0 as token flags.
3976
3977 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
3978
3979         PR rtl-optimization/39580
3980         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
3981         
3982 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3983
3984         * function.c (expand_function_end): Do not emit a jump to the "naked"
3985         return label for fall-through returns.
3986         * except.c (sjlj_emit_function_exit): Always place the call to the
3987         unregister function at the location installed by expand_function_end.
3988
3989 2009-04-22  Richard Guenther  <rguenther@suse.de>
3990
3991         PR tree-optimization/39845
3992         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
3993         (gen_inbound_check): Likewise.
3994
3995 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3996
3997         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
3998         padding for PPC.
3999         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
4000         * config/vxlib.c (__gthread_once): Add race guard for PPC.
4001
4002 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4003
4004         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
4005         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
4006         shift counts to avoid out-of-bounds array accesses.
4007
4008 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4009
4010         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
4011         (Pmode): Move above.
4012
4013 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
4014
4015         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
4016         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
4017         GET_CODE macro.  Use IN_RANGE macro where appropriate.
4018         * config/alpha/alpha.h: Ditto.
4019         * config/alpha/alpha.md: Ditto.
4020         * config/alpha/constraints.md: Ditto.
4021         * config/alpha/predicates.md: Ditto.
4022         
4023 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4024
4025         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
4026         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4027         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4028         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4029         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4030         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4031         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4032         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4033         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4034         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4035         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4036         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4037         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4038         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4039         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4040         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4041         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4042         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4043         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4044         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4045         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4046         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4047         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4048         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4049         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4050         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4051         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4052
4053 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4054
4055         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
4056         references from comments.
4057         * cfgbuild.c: (count_basic_blocks): Delete.
4058         (find_basic_blocks_1): Delete.
4059         (find_basic_blocks): Delete.
4060         * except.c (finish_eh_generation): Make static.  Move comment from
4061         except.h here.  Remove find_basic_blocks references from comments.
4062         * except.h (finish_eh_generation): Delete.
4063         * basic-block.h (find_basic_blocks): Delete.
4064         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
4065
4066 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
4067
4068         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
4069         (sdbout_parms):  Likewise.
4070
4071 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4072
4073         * config/sh/sh.c (prepare_cbranch_operands): Use
4074         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
4075         (expand_cbranchdi4): Likewise.
4076         (from_compare): Add cast to enum type.
4077         (expand_cbranchsi4): Use add_reg_note.
4078         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
4079         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
4080         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
4081         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4082         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
4083         instead of CODE_FOR_nothing.
4084         (cbranchdi4): Likewise.  Fix the order of arguments for
4085         gen_rtx_fmt_ee.
4086         (push_fpscr): Use add_reg_note.
4087         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
4088         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
4089         
4090 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
4091
4092         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
4093         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
4094         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
4095         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
4096         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
4097         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
4098         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
4099         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
4100         config/alpha/x-vms, config/arc/t-arc,
4101         config/arm/README-interworking, config/arm/arm-c.c,
4102         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
4103         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
4104         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
4105         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
4106         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
4107         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
4108         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
4109         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
4110         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
4111         config/cris/t-elfmulti, config/crx/t-crx,
4112         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
4113         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
4114         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
4115         config/h8300/t-h8300, config/i386/athlon.md,
4116         config/i386/darwin-libgcc.10.4.ver,
4117         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
4118         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
4119         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
4120         config/i386/t-linux64, config/i386/t-nwld,
4121         config/i386/t-rtems-i386, config/i386/t-sol2-10,
4122         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
4123         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
4124         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
4125         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
4126         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
4127         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
4128         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
4129         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
4130         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
4131         config/m68k/t-uclinux, config/mcore/t-mcore,
4132         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
4133         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
4134         config/mips/crtn.asm, config/mips/irix-crti.asm,
4135         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
4136         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
4137         config/mips/mips-fixed.md, config/mips/sb1.md,
4138         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
4139         config/mips/t-iris6, config/mips/t-isa3264,
4140         config/mips/t-libgcc-mips16, config/mips/t-linux64,
4141         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
4142         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
4143         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
4144         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
4145         config/mn10300/t-linux, config/mn10300/t-mn10300,
4146         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
4147         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
4148         config/picochip/libgccExtras/clzsi2.asm,
4149         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
4150         config/rs6000/darwin-libgcc.10.4.ver,
4151         config/rs6000/darwin-libgcc.10.5.ver,
4152         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
4153         config/rs6000/t-aix43, config/rs6000/t-aix52,
4154         config/rs6000/t-darwin, config/rs6000/t-fprules,
4155         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
4156         config/rs6000/t-lynx, config/rs6000/t-netbsd,
4157         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
4158         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
4159         config/rs6000/t-rtems, config/rs6000/t-spe,
4160         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
4161         config/score/t-score-elf, config/sh/divcost-analysis,
4162         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
4163         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
4164         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
4165         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
4166         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
4167         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
4168         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
4169         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
4170         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
4171         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
4172         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
4173         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
4174         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
4175         limitx.h, version.c, xcoff.h: Add copyright and license notices.
4176         * config/h8300/genmova.sh: Include copyright and license notices
4177         in generated output.
4178         * config/h8300/mova.md: Regenerate.
4179         * doc/install.texi2html: Include word "Copyright" in copyright
4180         notice and use name "Free Software Foundation, Inc.".
4181         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
4182         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
4183         ChangeLog-2007, ChangeLog-2008: Correct dates.
4184
4185 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
4186
4187         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
4188         NE_EXPR operations as well.
4189         * c-parser.c (c_parser_condition): Do not set location information on
4190         the condition.
4191         (c_parser_conditional_expression): Likewise.
4192         (c_parser_binary_expression): Set location information on operators.
4193         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
4194         TRUTH_NOT_EXPR has been folded.
4195         * fold-const.c (fold_truth_not_expr): Copy location information from
4196         the incoming expression to the outgoing one.
4197         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
4198         recursive calls on the LHS of the operator but pass that of the
4199         operator to recursive calls on the RHS of the operator.  Set it
4200         on the COND_EXPR.
4201         (shortcut_cond_expr): Set the locus of the operator on the second
4202         COND_EXPR and that of the expression on the first in degenerate cases.
4203         Pass the locus of the expression to calls to shortcut_cond_r.
4204         Set the locus of the 'then' block on the associated jump, if any.
4205         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
4206         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
4207         expression to call to gimplify_boolean_expr.
4208
4209 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
4210
4211         * config.gcc: Add additional configuration for
4212         i686-w64-mingw* and x86_64-w64-mingw* triplet.
4213         * config/i386/mingw-w64.h: New mingw-w64 specific header.
4214         (CPP_SPEC): Redefine for allowing -municode option.
4215         (STARTFILE_SPEC): Likewise.
4216         * config/i386/t-mingw-w64: New.
4217         * config/i386/mingw-w64.opt: New.
4218         (municode): Add new target option.
4219         * doc/invoke.texi (municode): Add documentation for new option.
4220
4221 2009-04-21  Ian Lance Taylor  <iant@google.com>
4222
4223         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4224         Correct test for number of arguments.
4225         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
4226
4227 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
4228
4229         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
4230         argument of emit_library_call.
4231
4232 2009-04-21  Richard Guenther  <rguenther@suse.de>
4233
4234         PR middle-end/39829
4235         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
4236         inside VIEW_CONVERT_EXPRs.
4237
4238 2009-04-21  Martin Jambor  <mjambor@suse.cz>
4239
4240         * tree-switch-conversion.c (build_constructors): Split a long line.
4241         (constructor_contains_same_values_p): New function.
4242         (build_one_array): Create assigns of constants if possible, do not
4243         call mark_sym_for_renaming, call update_stmt.
4244         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
4245         make_rename_temp.  Do not call mark_symbols_for_renaming, call
4246         update_stmt.
4247         (gen_def_assigns): Do not call mark_symbols_for_renaming or
4248         find_new_referenced_vars, call update_stmt.
4249         (gen_inbound_check): Use create_tmp_var and create ssa names manually
4250         instead of calling make_rename_temp.  Do not call
4251         find_new_referenced_vars or mark_symbols_for_renaming, call
4252         update_stmt.
4253
4254 2009-04-21  Richard Guenther  <rguenther@suse.de>
4255
4256         PR tree-optimization/39827
4257         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
4258         (tree_ssa_phiprop): Pass the correct array size.
4259
4260 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
4261
4262         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
4263
4264 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4265
4266         PR 16202
4267         * c-typeck.c (lvalue_p): Move declaration ...
4268         * c-common.h (lvalue_p): ... to here.
4269         * c-common.c (candidate_equal_p): New.
4270         (add_tlist): Use it.
4271         (merge_tlist): Use it.
4272         (warn_for_collisions_1): Likewise.
4273         (warning_candidate_p): Accept more candidates.
4274         (verify_tree): A warning candidate can be an expression. Use
4275         candidate_equal_p.
4276
4277 2009-04-21  Ben Elliston  <bje@au.ibm.com>
4278
4279         PR target/5267
4280         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
4281         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
4282         options.  Remove -mcall-solaris documentation.
4283
4284 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4285
4286         PR c++/13358
4287         * doc/invoke.texi (-Wlong-long): Update description.
4288         * c-lex (interpret_integer): Only warn if there was no previous
4289         overflow and -Wlong-long is enabled.
4290         * c-decl.c (declspecs_add_type): Drop redundant flags.
4291         * c.opt (Wlong-long): Init to -1.
4292         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
4293         and front-end warn_long_long. Wlong-long only depends on other
4294         flags if it is uninitialized.
4295         * c-parser.c (disable_extension_diagnostics): warn_long_long is
4296         the same for CPP and FE.
4297         (restore_extension_diagnostics): Likewise.
4298
4299 2009-04-20  Ian Lance Taylor  <iant@google.com>
4300
4301         Fix enum conversions which are invalid in C++:
4302         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
4303         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
4304         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
4305         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
4306         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
4307         (dbxout_parms): Likewise.
4308         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
4309         (df_clear_flags): Likewise.
4310         * df-problems.c (df_rd_bb_local_compute_process_def): Change
4311         top_flag parameter to int.
4312         (df_chain_create_bb_process_use): Likewise.
4313         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
4314         Remove cast.
4315         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
4316         (df_ref_create_structure, df_def_record_1): Likewise.
4317         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
4318         (df_notes_rescan): Change 0 to VOIDmode in function call.
4319         (df_get_call_refs, df_insn_refs_collect): Likewise.
4320         (df_bb_regs_collect): Likewise.
4321         (df_entry_block_defs_collect): Likewise.
4322         (df_exit_block_uses_collect): Likewise.
4323         * df.h: Update declarations.
4324         * double-int.c (double_int_divmod): Add cast to enum type.
4325         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
4326         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
4327         (based_loc_descr): Likewise.
4328         (loc_descriptor_from_tree_1): Change first_op and second_op to
4329         enum dwarf_location_atom.  Add cast to enum type.
4330         * expmed.c (init_expmed): Change 0 to SET in function call.
4331         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
4332         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
4333         (do_store_flag): Likewise.
4334         * fixed-value.h (struct fixed_value): Change mode to enum
4335         machine_mode.
4336         * function.c (assign_parms): Change 0 to VOIDmode in function call.
4337         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
4338         function call.
4339         (insert_insn_decl, insert_decl, insert_state): Likewise.
4340         (automata_list_finish): Likewise.
4341         * genrecog.c (process_define_predicate): Add cast to enum type.
4342         * gensupport.c (init_predicate_table): Add cast to enum type.
4343         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
4344         function call.
4345         (gimple_build_call_1, gimple_build_label): Likewise.
4346         (gimple_build_goto, gimple_build_asm_1): Likewise.
4347         (gimple_build_switch_1, gimple_build_cdt): Likewise.
4348         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
4349         (enum fallback): Rename from enum fallback_t.
4350         (fallback_t): Typedef as int.
4351         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
4352         GSI_SAME_STMT in function call.
4353         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
4354         enum type.
4355         (setup_reg_class_relations): Likewise.
4356         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
4357         (setup_prohibited_class_mode_regs): Add cast to enum type.
4358         (setup_prohibited_mode_move_regs): Likewise.
4359         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
4360         (record_address_regs): Change i to enum reg_class.
4361         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
4362         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
4363         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
4364         (GET_MODE_2XWIDER_MODE): Likewise.
4365         (GET_CLASS_NARROWEST_MODE): Likewise.
4366         * omp-low.c (expand_omp_for): Add cast to enum type.
4367         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
4368         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
4369         * postreload.c (reload_cse_simplify_operands): Change rclass local
4370         to enum reg_class.
4371         * predict.c (combine_predictions_for_insn): Change best_predictor
4372         and predictor to enum br_predictor.
4373         (combine_predictions_for_bb): Likewise.
4374         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
4375         use SET_PREDICT_EXPR_OUTCOME.
4376         * real.c (real_arithmetic): Change icode to code in function call.
4377         * reginfo.c (init_move_cost): Add casts to enum type.
4378         (init_reg_sets_1, init_fake_stack_mems): Likewise.
4379         * regmove.c (regclass_compatible_p): Change class0 and class1 to
4380         enum reg_class.
4381         * reload.c (find_valid_class): Add casts to enum type.
4382         (push_reload): Change 0 to NO_REGS in function call.
4383         (find_reloads): Change this_alternative to array of enum
4384         reg_class.  Remove some now-unnecessary casts.
4385         (make_memloc): Change 0 to VOIDmode in function call.
4386         * reload1.c (reload): Change 0 to VOIDmode in function call.
4387         (eliminate_regs_1, elimination_effects): Likewise.
4388         (eliminate_regs_in_insn): Likewise.
4389         (emit_input_reload_insns): Add cast to enum type.
4390         (delete_output_reload): Change 0 to VOIDmode in function call.
4391         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
4392         to enum type in function call.
4393         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
4394         (SET_PREDICT_EXPR_OUTCOME): Define.
4395         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
4396         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
4397         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
4398         (dump_function): Likewise.
4399         * tree-dump.h: Update declarations.
4400         * tree-pass.h: Update declarations.
4401         * varasm.c (assemble_integer): Change mclass to enum mode_class.
4402         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
4403         enum type.
4404         (arm_rtx_costs_1): Correct parenthesization.
4405         (arm_rtx_costs): Add casts to enum type.
4406         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
4407         (vfp_emit_fstmd): Use add_rg_note.
4408         (emit_multi_reg_push, emit_sfm): Likewise.
4409         (thumb_set_frame_pointer): Likewise.
4410         (arm_expand_prologue): Likewise.
4411         (arm_regno_class): Change return type to enum reg_class.
4412         (thumb1_expand_prologue): Use add_reg_note.
4413         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
4414         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
4415         in function call.
4416         * config/arm/gentune.sh: Add cast to enum type.
4417         * config/arm/arm-tune.md: Rebuild.
4418         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
4419         (ix86_split_fp_branch, predict_jump): Likewise.
4420         (ix86_expand_multi_arg_builtin): Change sub_code from enum
4421         insn_code to enum rtx_code.
4422         (ix86_builtin_vectorized_function): Add cast to enum type.
4423         * config/i386/i386.md (truncdfsf2): Change slot to enum
4424         ix86_stack_slot.
4425         (truncxf<mode>2, isinf<mode>2): Likewise.
4426         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
4427         enum type.
4428         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
4429         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
4430         (insert_bundle_state): Change 1 to INSERT in function call.
4431         (ia64_add_bundle_selector_before): Likewise.
4432         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
4433         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
4434         (restore_stack_nonlocal): Likewise.
4435         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
4436         function call.
4437         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
4438         function call.
4439         (mips_rtx_costs): Likewise.
4440         (mips_override_options): Add casts to enum type.
4441         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
4442         in function call.
4443         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
4444         (store_reg, set_reg_plus_d): Likewise.
4445         (hppa_expand_prologue, hppa_profile_hook): Likewise.
4446         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
4447         cast to enum type.
4448         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
4449         function call.
4450         (emit_unlikely_jump): Use add_reg_note.
4451         (rs6000_emit_allocate_stack): Likewise.
4452         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
4453         (output_toc): Change 1 to INSERT in function call.
4454         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
4455         (rs6000_initialize_trampoline): Likewise.
4456         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
4457         function call.
4458         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
4459         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
4460         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
4461         (save_gprs): Use add_reg_note.
4462         (s390_emit_prologue): Likewise.
4463         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4464         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
4465         (sparc_fold_builtin): Add cast to enum type.
4466         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
4467         enum insn_code.
4468         (spu_expand_prologue): Use add_reg_note.
4469         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
4470
4471 2009-04-20  Ian Lance Taylor  <iant@google.com>
4472
4473         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
4474         (c_parser_postfix_expression_after_primary): Get VEC for list of
4475         arguments.  Get original types of arguments.  Call
4476         build_function_call_vec.
4477         (cached_expr_list_1, cached_expr_list_2): New static variables.
4478         (c_parser_expr_list): Change return type to VEC *.  Add
4479         p_orig_types parameter.  Change all callers.
4480         (c_parser_release_expr): New static function.
4481         (c_parser_vec_to_tree_list): New static function.
4482         * c-typeck.c (build_function_call): Rewrite to build a VEC and
4483         call build_function_call_vec.
4484         (build_function_call_vec): New function, based on old
4485         build_function_call.
4486         (convert_arguments): Remove nargs and argarray parameters.  Change
4487         values to a VEC.  Add origtypes parameter.
4488         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
4489         (convert_for_assignment): Add origtype parameter.  Change all
4490         callers.  If warn_cxx_compat, check for conversion to an enum
4491         type when calling a function.
4492         (store_init_value): Add origtype parameter.  Change all callers.
4493         (digest_init): Likewise.
4494         (struct init_node): Add origtype field.
4495         (add_pending_init): Add origtype parameter.  Change all callers.
4496         (output_init_element): Likewise.
4497         (output_pending_init_elements): Pass origtype from init_node to
4498         output_init_element.
4499         (process_init_element): Pass origtype from c_expr to
4500         output_init_element.
4501         (c_finish_return): Add origtype parameter.  Change all callers.
4502         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
4503         caller.
4504         (sync_resolve_params): Likewise.
4505         (sync_resolve_return): Change params to first_param.  Change caller.
4506         (resolve_overloaded_builtins): Change params to VEC *.  Change
4507         callers.  Save first parameter around call to build_function_call_vec.
4508         * c-decl.c (finish_decl): Add origtype parameter.  Change all
4509         callers.  Call build_function_call_vec rather than
4510         build_function_call for cleanup.
4511         * c-tree.h: Update declarations.
4512         * c-common.h: Update declarations.
4513         * stub-objc.c (objc_rewrite_function_call): Change parameter from
4514         params to first_param.
4515         * target.h (struct gcc_target): Change resolve_overloaded_builtin
4516         params parameter from tree to void *.
4517         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4518         Change arglist parameter to have type void *, and to be a pointer
4519         to a VEC.
4520         * config/rs6000/rs6000-protos.h
4521         (altivec_resolve_overloaded_builtin): Update declaration.
4522         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
4523         fnargs parameter to have type void *, and to be a pointer to a
4524         VEC.  Call build_function_call_vec instead of
4525         build_function_call.
4526         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
4527
4528 2009-04-20  Joey Ye  <joey.ye@intel.com>
4529             Xuepeng Guo  <xuepeng.guo@intel.com>
4530             H.J. Lu  <hongjiu.lu@intel.com>
4531
4532         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
4533
4534         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
4535         (IX86_LEA_PRIORITY): Likewise.
4536         (distance_non_agu_define): New function.
4537         (distance_agu_use): Likewise.
4538         (ix86_lea_for_add_ok): Likewise.
4539         (ix86_dep_by_shift_count): Likewise.
4540
4541         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
4542         should split for LEA.
4543
4544         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
4545         function.
4546         (ix86_dep_by_shift_count): Likewise.
4547
4548 2009-04-20  Richard Guenther  <rguenther@suse.de>
4549
4550         * expr.c (handled_component_p): Move ...
4551         * tree.h (handled_component_p): ... here.
4552         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
4553         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
4554         and REALPART_EXPR to be in one group.
4555
4556 2009-04-20  Richard Guenther  <rguenther@suse.de>
4557
4558         * basic-block.h (get_all_dominated_blocks): Declare.
4559         * dominance.c (get_all_dominated_blocks): New function.
4560         * tree-cfg.c (get_all_dominated_blocks): Remove.
4561         (remove_edge_and_dominated_blocks): Adjust.
4562         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
4563         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
4564         instead of recursing.
4565
4566 2009-04-20  Doug Kwan  <dougkwan@google.com>
4567
4568         * cgraph.h (cgraph_node_ptr): New type for vector functions.
4569         (struct cgraph_node_set_def): New type.
4570         (cgraph_node_set) New type. Also declare vector functions.
4571         (struct cgraph_node_set_element_def): New type.
4572         (cgraph_node_set_element): Ditto.
4573         (cgraph_node_set_iterator): New iterator type.
4574         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
4575         cgraph_node_set_remove, dump_cgraph_node_set,
4576         debug_cgraph_node_set): New prototypes.
4577         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
4578         cgraph_node_set_size): New inlines.
4579         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
4580         including cgraph.h.
4581         (struct ipa_opt_pass): Add struct cgraph_node_set_def
4582         argument to function 'write_summary'.
4583         * ipa.c: Include ggc.h.
4584         (hash_cgraph_node_set_element,
4585         eq_cgraph_node_set_element, cgraph_node_set_new,
4586         cgraph_node_set_add, cgraph_node_set_remove,
4587         cgraph_node_set_find, dump_cgraph_node_set,
4588         debug_cgraph_node_set): New functions.
4589         * Makefile.in (ipa.o): Add dependency on GGC_H.
4590
4591 2009-04-20  Ira Rosen  <irar@il.ibm.com>
4592
4593         PR tree-optimization/39675
4594         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
4595         check of the return code of vect_schedule_slp. Check that
4596         stmt_vec_info still exists for the statement, before checking its
4597         vectorization type.
4598
4599 2009-04-20  Michael Matz  <matz@suse.de>
4600
4601         * Makefile.in (generated_files): Take out $(simple_generated_c).
4602
4603 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
4604
4605         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
4606         (UINTPTR_TYPE):  Likewise.
4607
4608 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4609
4610         PR c/37481
4611         * c-typeck.c (digest_init): Check for initializing an array with a
4612         string literal.
4613
4614 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4615
4616         PR c/19771
4617         * c-semantics.c (pop_stmt_list): Propagate
4618         STATEMENT_LIST_HAS_LABEL to parent statement list.
4619
4620 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
4621
4622         * config/mips/mips.h (mips_tune_attr): New macro.
4623         * config/mips/mips.md (cpu): Use it.
4624
4625 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4626
4627         PR c/38243
4628         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
4629         declaring a tag.
4630
4631 2009-04-19  Diego Novillo  <dnovillo@google.com>
4632
4633         * toplev.c (compile_file): Move call to coverage_finish ...
4634         * cgraphunit.c (ipa_passes): ... here.
4635         Call cgraph_process_new_functions.
4636         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
4637         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
4638
4639 2009-04-19  Jan Hubicka  <jh@suse.cz>
4640
4641         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
4642         cfun.
4643         (dump_cgraph_node): Dump can throw external flag.
4644         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
4645
4646 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4647
4648         PR c/32061
4649         PR c++/36954
4650         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
4651         * common.opt (Wlogical-op): Move from here...
4652         * c.opt (Wlogical-op): ... to here.
4653         * c-typeck.c (parser_build_binary_op): Update call to
4654         warn_logical_operator.
4655         * c-opts.c (c_common_post_options): Enable warn_logical_op with
4656         extra_warnings.
4657         * c-common.c (warn_logical_op): Update.
4658         * c-common.h (warn_logical_op): Update declaration.
4659
4660 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
4661
4662         * tree.c (protected_set_expr_location): Fix formatting.
4663
4664 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4665
4666         PR c/27676
4667         * c-typeck.c (readonly_warning): new.
4668         (build_unary_op, build_modify_expr): Use readonly_warning for
4669         storing into something readonly but not const-qualified.
4670
4671 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4672
4673         PR c/22367
4674         * c-typeck.c (build_unary_op): Check for taking address of
4675         expression of type void.
4676
4677 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4678
4679         PR c/35210
4680         * c-typeck.c (build_function_call): Check for calling a function
4681         with qualified void return types.  Call require_complete_type when
4682         generating a trap.
4683
4684 2009-04-18  Jan Hubicka  <jh@suse.cz>
4685
4686         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
4687         Set nothrow flag.
4688         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
4689         can_throw_external flag.
4690         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
4691         * ipa-pure-const.c (ignore_edge): New function.
4692         (propagate): Compute order for NOTHROW computation; set NOTHROWs
4693         only over can_throw_external edges.
4694         (local_pure_const): Add nothrow flag.
4695         * ipa-utils.c (searchc): Add ignore_edge callback.
4696         (ipa_utils_reduced_inorder): Add ignore_edge callback.
4697         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
4698         (set_nothrow_function_flags): Update cgraph.
4699         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
4700
4701 2009-04-18  Richard Guenther  <rguenther@suse.de>
4702
4703         PR middle-end/39804
4704         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
4705         (fold_stmt): ... this and ...
4706         (fold_stmt_inplace): ... this.
4707         (fold_stmt_1): Fold references in calls and asms.
4708         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
4709
4710 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4711
4712         * tree-vrp.c (ssa_name_nonzero_p): Remove.
4713         * tree.h: Remove the prototype for ssa_name_nonzero_p.
4714
4715 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4716
4717         * tree.c (function_args_count): Remove.
4718         * tree.h: Remove the prototype for function_args_count.
4719
4720 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4721
4722         * tree-iterator.c (expr_only): Remove.
4723         * tree.h: Remove the prototype for expr_only.
4724
4725 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4726
4727         * reginfo.c (cannot_change_mode_set_regs): Remove.
4728         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
4729
4730 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
4731
4732         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
4733         whether operands 0 and 1 overlaps.
4734
4735 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4736
4737         PR middle-end/36902
4738         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
4739         pointer. Use warning_at instead of warning.
4740         (search_for_addr_array): Likewise.
4741         (check_array_bounds): Likewise.
4742         (check_all_array_refs): Check that the incoming edge is not in the
4743         list of edges to be removed.
4744         (check_all_array_refs): Avoid the temporal pointer.
4745         (vrp_visit_cond_stmt): Fix typo.
4746         (simplify_switch_using_ranges): Handle the case where the switch
4747         index is an integer constant.
4748
4749 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
4750
4751         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
4752
4753 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4754
4755         * doc/extend.texi, doc/invoke.texi: Fix typos.
4756
4757 2009-04-17  Cary Coutant  <ccoutant@google.com>
4758
4759         * tree-flow-inline.h (get_lineno): Fix inverted test.
4760
4761 2009-04-17  Diego Novillo  <dnovillo@google.com>
4762
4763         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4764         assertion for AVAIL_OUT.
4765
4766 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
4767
4768         PR target/38627
4769         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
4770         * config/sh/linux-atomic.asm: Likewise.
4771
4772 2009-04-17  Diego Novillo  <dnovillo@google.com>
4773
4774         * except.c (debug_eh_tree): New.
4775         (struct eh_region, struct eh_status): Move ...
4776         * except.h: ... here.
4777         (add_type_for_runtime): Declare extern.
4778         (lookup_type_for_runtime): Likewise.
4779         (debug_eh_tree): Declare.
4780         * Makefile.in (GTFILES): List except.h before except.c
4781
4782 2009-04-17  Diego Novillo  <dnovillo@google.com>
4783
4784         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
4785         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
4786         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
4787         (find_vars_r): ... here.
4788         * tree-flow.h (find_referenced_vars_in): Declare.
4789         * tree-ssa-pre.c (create_expression_by_pieces): Assert
4790         that AVAIL_OUT exists for BLOCK.
4791         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
4792         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
4793         (tree-parloops.o): Likewise.
4794
4795 2009-04-17  Simon Baldwin  <simonb@google.com>
4796
4797         * toplev.c (default_tree_printer): Add handling for %E format.
4798
4799 2009-04-17  Diego Novillo  <dnovillo@google.com>
4800
4801         * tree-pretty-print.c (dump_generic_node): Add break after
4802         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
4803         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
4804         FUNCTION_TYPE together.  Call print_struct_decl when printing
4805         structures and TDF_SLIM is not given.
4806         (print_struct_decl): Fix logic for detecting recursion.
4807
4808 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4809
4810         PR 31567
4811         * gcc.c (create_at_file): New.
4812         (compile_input_file_p): New.
4813         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
4814         * main.c (main): Update call to toplev_main.
4815         * toplev.c (toplev_main): Change signature. Call expandargv.
4816         * toplev.h (toplev_main): Change signature.
4817
4818 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4819
4820         * dwarf2out.c (field_byte_offset): Use the type size as the field size
4821         if the latter is not constant.
4822
4823 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
4824
4825         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
4826
4827 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4828
4829         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
4830         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
4831
4832 2009-04-17  Richard Guenther  <rguenther@suse.de>
4833
4834         * tree-ssa-structalias.c (get_constraint_for_component_ref):
4835         Handle component references view-converting an invariant address.
4836
4837 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
4838
4839         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
4840         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
4841         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
4842         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
4843         Use @deftypevr rather than @deftypevar.
4844
4845 2009-04-17  Richard Guenther  <rguenther@suse.de>
4846
4847         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
4848         (get_prop_source_stmt): Likewise.
4849         (can_propagate_from): Likewise.
4850
4851 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
4852
4853         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
4854         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
4855         (--with-multilib-list): Add default value.
4856         * configure: Regenerate.
4857         * Makefile.in (TM_ENDIAN_CONFIG): Define.
4858         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
4859         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
4860         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
4861         Don't add default cpu to multilib list unnecessarily, but do enable
4862         the relevant compiler option..
4863         Add support for --with-multilib-list=<blank> and
4864         --with-multilib-list=!<somelib> to supress unwanted multilibs.
4865         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
4866         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
4867         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
4868         TM_MULTILIB_CONFIG.
4869         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
4870         (MULTILIB_OSDIRNAMES): New variable.
4871         * config/sh/t-1e: Delete file.
4872         * config/sh/t-mlib-sh1: Delete file.
4873         * config/sh/t-mlib-sh2: Delete file.
4874         * config/sh/t-mlib-sh2a: Delete file.
4875         * config/sh/t-mlib-sh2a-nofpu: Delete file.
4876         * config/sh/t-mlib-sh2a-single: Delete file.
4877         * config/sh/t-mlib-sh2a-single-only: Delete file.
4878         * config/sh/t-mlib-sh2e: Delete file.
4879         * config/sh/t-mlib-sh3e: Delete file.
4880         * config/sh/t-mlib-sh4: Delete file.
4881         * config/sh/t-mlib-sh4-nofpu: Delete file.
4882         * config/sh/t-mlib-sh4-single: Delete file.
4883         * config/sh/t-mlib-sh4-single-only: Delete file.
4884         * config/sh/t-mlib-sh4a: Delete file.
4885         * config/sh/t-mlib-sh4a-nofpu: Delete file.
4886         * config/sh/t-mlib-sh4a-single: Delete file.
4887         * config/sh/t-mlib-sh4a-single-only: Delete file.
4888         * config/sh/t-mlib-sh4al: Delete file.
4889         * config/sh/t-mlib-sh5-32media: Delete file.
4890         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
4891         * config/sh/t-mlib-sh5-64media: Delete file.
4892         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
4893         * config/sh/t-mlib-sh5-compact: Delete file.
4894         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
4895         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
4896         * doc/install.texi (Options specification): Add
4897         --with-multilib-list and --with-endian.
4898
4899 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4900
4901         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
4902         REVISION_c.
4903         (OBJS-common): Add plugin-version.o.
4904         (plugin-version.o): New.
4905         * gcc-plugin.h (plugin_gcc_version): New.
4906         (plugin_default_version_check): New.
4907         (plugin_init_func, plugin_init): Add version argument.
4908         * plugin-version.c: New.
4909         * plugin.c (str_plugin_gcc_version_name): New.
4910         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
4911         pass it to the init function.
4912         (plugin_default_version_check): New.
4913
4914 2009-04-17  Richard Guenther  <rguenther@suse.de>
4915
4916         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
4917         for decl-vs-decl disambiguation.
4918
4919 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4920
4921         * config/s390/s390.h (s390_tune_attr): New macro definition.
4922         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
4923
4924 2009-04-17  Richard Guenther  <rguenther@suse.de>
4925
4926         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
4927         (fold_stmt_r): Likewise.
4928         (maybe_fold_reference): New function.
4929         (fold_gimple_assign): Handle cases fold_stmt_r did.
4930         (fold_stmt): Do not use fold_stmt_r.
4931         (fold_stmt_inplace): Likewise.
4932
4933 2009-04-17  Richard Guenther  <rguenther@suse.de>
4934
4935         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
4936         (record_equivalences_from_stmt): Remove useless checks and
4937         simplifications.
4938         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
4939         the type is already suitable.
4940
4941 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
4942
4943         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
4944
4945 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
4946
4947         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
4948         (CMPtype): Define as __gcc_CMPtype.
4949
4950 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
4951
4952         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
4953         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
4954
4955 2009-04-17  Richard Guenther  <rguenther@suse.de>
4956
4957         PR tree-optimization/39746
4958         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
4959         special-casing for builtins and static variable use/def.
4960         (call_may_clobber_ref_p_1): Likewise.
4961
4962 2009-04-16  Ian Lance Taylor  <iant@google.com>
4963
4964         * df.h: Include "timevar.h".
4965         (struct df_problem): Change tv_id field to timevar_id_t.
4966         * tree-pass.h: Include "timevar.h".
4967         (struct opt_pass): Change tv_id field to timevar_id_t.
4968         * timevar.h (timevar_id_t): Define TV_NONE.
4969         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
4970         TV_NONE rather than tv_id != 0.
4971         (execute_one_pass): Likewise.
4972         * Makefile.in (DF_H): Add $(TIMEVAR_H).
4973         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
4974         dependencies to $(TREE_PASS_H).
4975         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
4976         to TV_NONE.
4977         (pass_branch_target_load_optimize2): Likewise.
4978         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
4979         (pass_outof_cfg_layout_mode): Likewise.
4980         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
4981         (pass_rebuild_cgraph_edges): Likewise.
4982         (pass_remove_cgraph_callee_edges): Likewise.
4983         * df-core.c (pass_df_initialize_opt): Likewise.
4984         (pass_df_initialize_no_opt): Likewise.
4985         (pass_df_finish): Likewise.
4986         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
4987         * except.c (pass_set_nothrow_function_flags): Likewise.
4988         (pass_convert_to_eh_region_ranges): Likewise.
4989         * final.c (pass_compute_alignments): Likewise.
4990         * function.c (pass_instantiate_virtual_regs): Likewise.
4991         (pass_init_function): Likewise.
4992         (pass_leaf_regs): Likewise.
4993         (pass_match_asm_constraints): Likewise.
4994         * gimple-low.c (pass_lower_cf): Likewise.
4995         (pass_mark_used_blocks): Likewise.
4996         * init-regs.c (pass_initialize_regs): Likewise.
4997         * integrate.c (pass_initial_value_sets): Likewise.
4998         * ira.c (pass_ira): Likewise.
4999         * jump.c (pass_cleanup_barriers): Likewise.
5000         * omp-low.c (pass_expand_omp): Likewise.
5001         (pass_lower_omp): Likewise.
5002         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
5003         * recog.c (pass_split_all_insns): Likewise.
5004         (pass_split_after_reload): Likewise.
5005         (pass_split_before_regstack): Likewise.
5006         (pass_split_before_sched2): Likewise.
5007         (pass_split_for_shorten_branches): Likewise.
5008         * reginfo.c (pass_reginfo_init): Likewise.
5009         (pass_subregs_of_mode_init): Likewise.
5010         (pass_subregs_of_mode_finish): Likewise.
5011         * passes.c (pass_postreload): Likewise.
5012         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
5013         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
5014         (pass_warn_function_return): Likewise.
5015         (pass_warn_function_noreturn): Likewise.
5016         * tree-complex.c (pass_lower_complex): Likewise.
5017         (pass_lower_complex_O0): Likewise.
5018         * tree-if-conv.c (pass_if_conversion): Likewise.
5019         * tree-into-ssa.c (pass_build_ssa): Likewise.
5020         * tree-mudflap.c (pass_mudflap_1): Likewise.
5021         (pass_mudflap_2): Likewise.
5022         * tree-nomudflap.c (pass_mudflap_1): Likewise.
5023         (pass_mudflap_2): Likewise.
5024         * tree-nrv.c (pass_return_slot): Likewise.
5025         * tree-object-size.c (pass_object_sizes): Likewise.
5026         * tree-optimize.c (pass_all_optimizations): Likewise.
5027         (pass_early_local_passes): Likewise.
5028         (pass_all_early_optimizations): Likewise.
5029         (pass_cleanup_cfg): Likewise.
5030         (pass_cleanup_cfg_post_optimizing): Likewise.
5031         (pass_free_datastructures): Likewise.
5032         (pass_free_cfg_annotations): Likewise.
5033         (pass_fixup_cfg): Likewise.
5034         (pass_init_datastructures): Likewise.
5035         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
5036         (pass_late_warn_uninitialized): Likewise.
5037         (pass_update_address_taken): Likewise.
5038         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
5039         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
5040         (pass_cse_sincos): Likewise.
5041         (pass_convert_to_rsqrt): Likewise.
5042         * tree-ssa-structalias.c (pass_build_alias): Likewise.
5043         * tree-stdarg.c (pass_stdarg): Likewise.
5044         * tree-tailcall.c (pass_tail_recursion): Likewise.
5045         (pass_tail_calls): Likewise.
5046         * tree-vect-generic.c (pass_lower_vector): Likewise.
5047         (pass_lower_vector_ssa): Likewise.
5048         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
5049
5050 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
5051
5052         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
5053         XLR entry.
5054         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
5055         Handle -march=xlr.
5056         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
5057         logical and signext.
5058
5059 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
5060
5061         PR target/39767
5062         * config/sh/predicates.md (arith_operand): Check if the operand
5063         of TRUNCATE is a REG.
5064
5065 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5066
5067         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
5068         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
5069
5070 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5071
5072         * tree-iterator.c (tsi_split_statement_list_after,
5073         tsi_split_statement_list_before): Remove.
5074         * tree-iterator.h: Remove the prototypes for
5075         tsi_split_statement_list_after and tsi_split_statement_list_before.
5076
5077 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5078
5079         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
5080         * tree-ssa-propagate.h: Remove the prototype for
5081         stmt_makes_single_load.
5082
5083 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5084
5085         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
5086         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
5087
5088 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5089
5090         * tree-iterator.c (EXPR_LAST_BODY): Remove.
5091
5092 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5093
5094         * except.c (eh_region_outer_p): Remove.
5095         * except.h: Remove the prototype for eh_region_outer_p.
5096
5097 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5098
5099         * function.c (current_function_assembler_name): Remove.
5100         * function.h: Remove the prototype for
5101         current_function_assembler_name.
5102
5103 2009-04-16  Ian Lance Taylor  <iant@google.com>
5104
5105         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
5106         (add_reg_note): Call alloc_reg_note.
5107         * rtl.h (alloc_reg_note): Declare.
5108         * combine.c (try_combine): Use alloc_reg_note.
5109         (recog_for_combine, move_deaths): Likewise.
5110         (distribute_notes): Use alloc_reg_note and add_reg_note.
5111         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
5112         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
5113         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
5114
5115 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
5116
5117         PR rtl-optimization/39762
5118         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
5119         ira_may_move_out_cost): Add comments about way of their usage.
5120         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
5121
5122         * ira-conflicts.c (process_regs_for_copy): Use function
5123         ira_get_register_move_cost instead of global
5124         ira_register_move_cost.
5125
5126         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
5127         color_pass, move_spill_restore, update_curr_costs): Ditto.
5128
5129         * ira-lives.c (process_single_reg_class_operands): Ditto.
5130
5131         * ira-emit.c (emit_move_list): Ditto.
5132
5133         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
5134         (record_reg_classes): Ditto.  Use functions
5135         ira_get_register_move_cost and ira_get_may_move_cost instead of
5136         global vars ira_register_move_cost, ira_may_move_out_cost and
5137         ira_may_move_in_cost.
5138         (record_address_regs): Don't call ira_init_register_move_cost.
5139         Use function ira_get_may_move_cost instead of global
5140         ira_may_move_in_cost.
5141         (process_bb_node_for_hard_reg_moves): Use function
5142         ira_get_register_move_cost instead of global ira_register_move_cost.
5143         (ira_costs): Don't call ira_init_register_move_cost.
5144
5145 2009-04-16  Richard Guenther  <rguenther@suse.de>
5146
5147         * tree-cfg.c (verify_gimple_assign_binary):
5148         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
5149         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
5150         (create_general_new_stmt): Note that this function is broken.
5151
5152 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5153
5154         * common.opt (fhelp): Add Var(help_flag).
5155         * gcc-plugin.h (plugin_info): Add help.
5156         * plugin.c (plugin_name_args): Add help.
5157         (register_plugin_info): Set plugin->help.
5158         (print_help_one_plugin): New.
5159         (print_plugins_help): New.
5160         * plugin.h (print_plugins_help): New.
5161         * toplev.c (toplev_main): Call print_plugins_help if needed.
5162
5163 2009-04-16  Richard Guenther  <rguenther@suse.de>
5164
5165         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
5166         (gimple_ior_addresses_taken_1): New function.
5167         (gimple_ior_addresses_taken): Likewise.
5168         * gimple.h (struct gimple_statement_with_ops_base): Remove
5169         addresses_taken member.
5170         (gimple_ior_addresses_taken): Declare.
5171         (gimple_addresses_taken, gimple_addresses_taken_ptr,
5172         gimple_set_addresses_taken): Remove.
5173         * ipa-reference.c (mark_address): New function.
5174         (scan_stmt_for_static_refs): Use it for marking addresses taken.
5175         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
5176         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
5177         (gimple_add_to_addresses_taken): Remove.
5178         (get_tmr_operands): Call mark_address_taken.
5179         (get_asm_expr_operands): Likewise.
5180         (get_expr_operands): Likewise.
5181         (build_ssa_operands): Do not clear the addresses_taken bitmap.
5182         (free_stmt_operands): Do not free it.
5183         * tree-ssa.c (delete_tree_ssa): Likewise.
5184         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
5185
5186 2009-04-16  Richard Guenther  <rguenther@suse.de>
5187
5188         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
5189         (walk_stmt_load_store_ops): Likewise.
5190         * gimple.c (get_base_loadstore): New function.
5191         (walk_stmt_load_store_addr_ops): Likewise.
5192         (walk_stmt_load_store_ops): Likewise.
5193         * ipa-pure-const.c (check_op): Simplify.
5194         (check_load, check_store): New functions.
5195         (check_stmt): Use walk_stmt_load_store_ops.
5196         * ipa-reference.c (mark_load): Adjust signature.
5197         (mark_store): Likewise.
5198         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
5199
5200 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5201
5202         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
5203         (plugin_info): New.
5204         * opts.c (common_handle_option): Don't call print_version.
5205         * plugin.c (plugin_name_args): Add version.
5206         (register_plugin_info): New.
5207         (register_callback): Handle PLUGIN_INFO.
5208         (try_init_one_plugin): New.
5209         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
5210         if failed to init.
5211         (finalize_one_plugin): New.
5212         (finalize_plugins): New.
5213         (print_one_plugin): New.
5214         (print_plugins_versions): New.
5215         * plugin.h (print_plugins_versions): New.
5216         (finalize_plugins): New.
5217         * toplev.c (compile_file): Don't call initialize_plugins.
5218         (print_version): Call print_plugins_versions.
5219         (toplev_main): Call initialize_plugins. Print version if needed.
5220         Call finalize_plugins.
5221
5222 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5223
5224         * common.opt (fversion): New.
5225         * gcc.c (print_version): New.
5226         (process_command): Don't print the version. Just set print_version.
5227         (main): Print version. Call subprocesses if print_version and
5228         verbose_flag are set.
5229         * opts.c (common_handle_option): Handle OPT_fversion.
5230
5231 2009-04-16  Richard Guenther  <rguenther@suse.de>
5232             Ira Rosen  <irar@il.ibm.com>
5233
5234         PR tree-optimization/39698
5235         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
5236         type of the reduction variable.  Only generate the def if
5237         it is needed.
5238
5239         * omp-low.c (expand_omp_for_generic): When converting to a pointer
5240         make sure to first convert to an integer of the same precision.
5241         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
5242         the type of the evolution correctly in computing the new
5243         induction variable base.
5244
5245 2009-04-16  Richard Guenther  <rguenther@suse.de>
5246
5247         PR middle-end/39625
5248         * tree-cfg.c (make_blocks): Split statements with to-be
5249         abnormal SSA names on the lhs.
5250
5251 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
5252
5253         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
5254         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
5255         * c-typeck.c (really_start_incremental_init): Likewise.
5256         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
5257         (TARGET_INITIALIZER): Remove it.
5258         * target.h (struct target): Remove vector_opaque_p.
5259         * tree.c (build_opaque_vector_type): New.
5260         * tree.h (TYPE_VECTOR_OPAQUE): New.
5261         (build_opaque_vector_type): Declare.
5262         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
5263         * config/rs6000/rs6000.c (build_opaque_vector_type,
5264         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
5265         (rs6000_init_builtins): Use build_opaque_vector_type for
5266         opaque_V4SI_type_node.
5267
5268 2009-04-15  Catherine Moore  <clm@codesourcery.com>
5269
5270         * debug.h (set_name):  Declare.
5271         * dwarf2out.c (dwarf2out_set_name): Declare.
5272         (dwarf2_debug_hooks): Add set_name.
5273         (find_AT_string): New.
5274         (add_AT_string): Call find_AT_string.
5275         (dwarf2out_set_name): New.
5276         * cp/decl.c (grokdeclarator): Call set_name.
5277         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
5278         * debug.c (do_nothing_debug_hooks):  Likewise.
5279         * dbxout.c (dbx_debug_hooks): Likewise.
5280         * sdbout.c (sdb_debug_hooks): Likewise.
5281
5282 2009-04-15  Michael Eager  <eager@eagercon.com>
5283
5284         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
5285         reg for single-precision FPU.
5286         * config/rs6000/rs6000.md (movsi_internal1): Only for
5287         !TARGET_SINGLE_FPU.
5288         (movsi_internal1_single): New. Add pattern to move SI values to/from
5289         single-precision FP regs.
5290
5291 2009-04-15  Richard Guenther  <rguenther@suse.de>
5292
5293         * omp-low.c (lower_rec_input_clauses): Build correct address
5294         expressions.
5295         (expand_omp_for_generic): Fix multiplication type.
5296         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
5297         (generate_memset_zero): Fix types.
5298         * tree-profile.c (prepare_instrumented_value): Correctly
5299         widen a pointer.
5300
5301 2009-04-15  Ian Lance Taylor  <iant@google.com>
5302
5303         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
5304         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
5305         for -Wall and for -Wc++-compat.
5306         (c_common_post_options): For C++, set warn_enum_compare if not
5307         already set.
5308         * c-tree.h (struct c_expr): Add field original_type.
5309         (build_external_ref): Update declaration.
5310         * c-parser.c (c_parser_braced_init): Set original_type.
5311         (c_parser_initelt): Likewise.
5312         (c_parser_expr_no_commas): Likewise.
5313         (c_parser_conditional_expression): Likewise.
5314         (c_parser_cast_expression): Likewise.
5315         (c_parser_unary_expression): Likewise.  Pull setting of
5316         original_code to top of function.
5317         (c_parser_sizeof_expression): Set original_type.
5318         (c_parser_alignof_expression): Likewise.
5319         (c_parser_postfix_expression): Likewise.  Pull setting of
5320         original_code to top of function.
5321         (c_parser_postfix_expression_after_paren_type): Set original_type.
5322         (c_parser_postfix_expression_after_primary): Likewise.
5323         (c_parser_expression): Likewise.
5324         * c-typeck.c (build_external_ref): Add type parameter.  Change all
5325         callers.
5326         (c_expr_sizeof_expr): Set original_type field.
5327         (parser_build_unary_op): Likewise.
5328         (parser_build_binary_op): Likewise.  Optionally warn about
5329         comparisons of enums of different types.
5330         (digest_init): Set original_type field.
5331         (really_start_incremental_init): Likewise.
5332         (push_init_level, pop_init_level): Likewise.
5333         * doc/invoke.texi (Warning Options): -Wenum-compare now
5334         supported in C.
5335
5336 2009-04-15  Richard Guenther  <rguenther@suse.de>
5337
5338         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
5339         out a necessary conversion.
5340         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
5341         names we didn't value number.
5342         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
5343
5344 2009-04-15  Richard Guenther  <rguenther@suse.de>
5345
5346         PR tree-optimization/39764
5347         * tree-ssa-ccp.c (get_value): Canonicalize value with
5348         canonicalize_float_value.
5349
5350 2009-04-15  Jan Hubicka  <jh@suse.cz>
5351
5352         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
5353         Wrong version of patch.
5354
5355 2009-04-15  Jan Hubicka  <jh@suse.cz>
5356
5357         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
5358
5359 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
5360
5361         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
5362         our distinct integral and vector types.
5363
5364 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
5365
5366         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
5367         * init.c (build_vtbl_address): Remove call to assemble_external.
5368
5369 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
5370
5371         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
5372         output for other floating point modes.
5373
5374 2009-04-14  Diego Novillo  <dnovillo@google.com>
5375
5376         * diagnostic.c (diagnostic_report_diagnostic): Do not
5377         warn about loaded plugins for DK_ERROR and DK_WARNING.
5378         * c-decl.c (declspecs_add_type): Move call to
5379         invoke_plugin_callbacks ...
5380         * c-parser.c (c_parser_declspecs): ... here.
5381         * plugin.c (dump_active_plugins): Tidy output.
5382
5383 2009-04-14  Diego Novillo  <dnovillo@google.com>
5384             Le-Chun Wu  <lcwu@google.com>
5385
5386         * configure.ac: Add --enable-plugin support.
5387         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
5388         * Makefile.in (PLUGIN_H): Define.
5389         Export ENABLE_PLUGIN and GMPINC to site.exp.
5390         Add PLUGINLIBS to link command.
5391         Add/modify dependencies for plugin.o and files including plugin.h.
5392         (plugin.o): New.
5393         * config.in: Regenerate.
5394
5395         * opts.c (common_handle_option): Handle OPT_fplugin_ and
5396         OPT_fplugin_arg_.
5397
5398 2009-04-14  Le-Chun Wu  <lcwu@google.com>
5399
5400         * tree-pass.h (register_one_dump_file): Add a prototype for
5401         register_one_dump_file.
5402         * toplev.c (compile_file): Call initialize_plugins.
5403         (do_compile): Call invoke_plugin_callbacks.
5404         (toplev_main): Call invoke_plugin_callbacks.
5405         * common.opt: Add -fplugin= and -fplugin-arg-.
5406         * gcc-plugin.h: New public header file for plugins to include.
5407         * plugin.c: New source file.
5408         * plugin.h: New internal header file.
5409         * passes.c (register_one_dump_file): Make it external.
5410
5411         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
5412
5413 2009-04-14  Diego Novillo  <dnovillo@google.com>
5414
5415         * doc/plugins.texi: New.
5416         * doc/gccint.texi: Add reference to Plugins chapter.
5417         * doc/invoke.texi: Document -fplugin and -fplugin-arg
5418         * diagnostic.c (diagnostic_report_diagnostic): Warn about
5419         loaded plugins, if any.
5420         * timevar.def (TV_PLUGIN_INIT): Define.
5421         (TV_PLUGIN_RUN): Define.
5422         * plugin.c: Include timevar.h
5423         (plugins_active_p): New.
5424         (dump_active_plugins): New.
5425         (debug_active_plugins): New.
5426
5427 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
5428
5429         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
5430         library paths.
5431         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
5432
5433 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
5434
5435         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
5436         the same as a minus without a shift.
5437
5438 2009-04-14  Nick Clifton  <nickc@redhat.com>
5439
5440         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
5441         comparisons with small integers will always produce a short
5442         branch.
5443
5444 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
5445
5446         Merge:
5447         2008-12-19  Diego Novillo  <dnovillo@google.com>
5448
5449         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
5450
5451 2009-04-14  Richard Guenther  <rguenther@suse.de>
5452
5453         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
5454         verification.
5455         (verify_gimple_assign_binary): Likewise.  Handle shifts and
5456         rotates correctly.
5457         (verify_gimple_phi): Print the mismatched argument position.
5458         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
5459         Fix types.
5460         (vect_update_init_of_dr): Likewise.
5461         * matrix-reorg.c (transform_access_sites): Do what the
5462         comment suggests.
5463         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
5464
5465 2009-04-13  Michael Eager  <eager@eagercon.com>
5466
5467         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
5468         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
5469         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
5470         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
5471         remove duplicate config
5472
5473 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5474
5475         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
5476         file_name:line_number type locator of the call site.
5477
5478 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
5479
5480         * genautomata.c: Put blank after comma.
5481         (automaton_decls): New.
5482         (struct unit_usage): Add comments to member next.
5483         (store_alt_unit_usage): Keep the list ordered.
5484         (unit_present_on_list_p, equal_alternatives_p): New.
5485         (check_regexp_units_distribution): Check units distribution
5486         correctness correctly.
5487         (main): Don't write automata if error is found.  Return correct
5488         exit code.
5489
5490         * config/m68k/cf.md (cfv4_ds): Remove.
5491         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
5492         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
5493
5494         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
5495         power4-load-ext, power4-store, power4-store-update,
5496         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
5497         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
5498         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
5499         power4-sqrt, power4-isync): Modify reservation to make correct
5500         unit distribution to automata.
5501
5502         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
5503         power5-store-update, power5-two, power5-three, power5-lmul,
5504         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
5505
5506 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
5507
5508         * except.c (pass_set_nothrow_function_flags): Set name and add
5509         TODO_dump_func.
5510         (set_nothrow_function_flags): Mention in the dump file when
5511         changing a function to nothrow.
5512
5513 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
5514
5515         PR/39066
5516         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
5517         instead of unsigned long.
5518
5519 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5520
5521         * config/arm/arm.c (return_used_this_function): Remove.
5522         (arm_output_function_prologue): Remove use of
5523         return_used_this_function.
5524         (output_return_instruction): Replace use of
5525         return_used_this_function
5526         by cfun->machine->return_used_this_function.
5527         (arm_output_epilogue): Likewise.
5528         (arm_output_function_epilogue): Likewise.
5529         (thumb_unexpanded_epilogue): Likewise.
5530         * config/arm/arm.h (struct machine_function):
5531         New member return_used_this_function.
5532
5533 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
5534
5535         * doc/install.texi: Correct description of default directory for
5536         --with-gxx-include-dir.
5537
5538 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
5539
5540         * fold-const.c (build_range_check): Properly deal with enumeral and
5541         boolean base types.
5542
5543 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
5544
5545         * doc/invoke.texi (max_gcse_passes): Remove documentation.
5546         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
5547         * params.h (MAX_GCSE_PASSES): Remove.
5548         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
5549         in sequence.  Remove ability to run multiple passes.
5550         (bypass_jumps): Report run as third CPROP pass.
5551
5552 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
5553
5554         PR middle-end/39651
5555         * except.c (can_throw_external): Look at each insn in a SEQUENCE
5556         when deciding whether the whole SEQUENCE can throw.
5557
5558 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
5559
5560         PR target/39740
5561         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
5562         offseted label references.
5563
5564 2009-04-11  Jan Hubicka  <jh@suse.cz>
5565
5566         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
5567
5568 2009-04-11  Richard Guenther  <rguenther@suse.de>
5569
5570         PR middle-end/39732
5571         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
5572         return variables as TREE_ADDRESSABLE.
5573
5574 2009-04-11  Richard Guenther  <rguenther@suse.de>
5575
5576         PR tree-optimization/39713
5577         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
5578         reference trees have SSA_NAME operands.
5579
5580 2009-04-11  Richard Guenther  <rguenther@suse.de>
5581
5582         PR c/39712
5583         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
5584         address expressions.
5585
5586 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
5587
5588         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
5589         match changes in Cygwin 1.7
5590         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
5591         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
5592
5593 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5594
5595         PR tree-optimization/39701
5596         * doc/invoke.texi (Optimization Options): Document change in
5597         meaning and initialization of -fdelete-null-pointer-checks.
5598
5599 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5600
5601         PR middle-end/39701
5602         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
5603
5604         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
5605         here.
5606
5607         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
5608
5609 2009-04-10  Chao-ying Fu  <fu@mips.com>
5610
5611         * doc/tm.texi (Instruction Output): Document
5612         TARGET_ASM_FINAL_POSTSCAN_INSN.
5613         * target.h (final_postscan_insn): New field in asm_out.
5614         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5615         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
5616         * final.c (final_scan_insn): Call
5617         targetm.asm_out.final_postscan_insn after outputting
5618         an asm macro and a normal instruction.
5619
5620         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
5621         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
5622         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
5623         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
5624         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5625
5626 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5627
5628         PR middle-end/39701
5629         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
5630         variables as non-NULL even with -fdelete-null-pointer-checks.
5631
5632 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5633
5634         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
5635
5636 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5637
5638         PR target/39678
5639         * config/i386/i386.c (classify_argument): Handle SCmode with
5640         (bit_offset % 64) != 0.
5641
5642 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
5643
5644         * doc/invoke.texi (Optimize Options): Add cross-reference to
5645         -Q --help=optimizers examples.
5646
5647 2009-04-10  Ben Elliston  <bje@au.ibm.com>
5648
5649         PR target/36800
5650         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
5651         regalign for the reg == fpr and TDmode case.
5652
5653 2009-04-09  David Ayers  <ayers@fsfe.org>
5654
5655         PR objc/29200
5656         * objc/objc-act.c (warn_with_method): Remove helper function.
5657         (check_duplicates): Call warning and inform directly.
5658         (really_start_method): Likewise.
5659
5660 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5661
5662         * expmed.c (expand_divmod): Always use a comparison for a division
5663         by a large unsigned integer.
5664
5665         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
5666         for things others than variables or functions as nonzero.
5667
5668 2009-04-09  Nick Clifton  <nickc@redhat.com>
5669
5670         * unwind-compat.c: Change copyright header to refer to version
5671         3 of the GNU General Public License with version 3.1 of the
5672         GCC Runtime Library Exception and to point readers at the
5673         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
5674         * config/alpha/crtfastmath.c: Likewise.
5675         * config/alpha/linux-unwind.h: Likewise.
5676         * config/alpha/qrnnd.asm: Likewise.
5677         * config/alpha/vms-crt0-64.c: Likewise.
5678         * config/alpha/vms-crt0.c: Likewise.
5679         * config/alpha/vms-dwarf2.asm: Likewise.
5680         * config/alpha/vms-dwarf2eh.asm: Likewise.
5681         * config/alpha/vms-psxcrt0-64.c: Likewise.
5682         * config/alpha/vms-psxcrt0.c: Likewise.
5683         * config/alpha/vms_tramp.asm: Likewise.
5684         * config/arc/initfini.c: Likewise.
5685         * config/arc/lib1funcs.asm: Likewise.
5686         * config/arm/bpabi-v6m.S: Likewise.
5687         * config/arm/bpabi.S: Likewise.
5688         * config/arm/bpabi.c: Likewise.
5689         * config/arm/crti.asm: Likewise.
5690         * config/arm/crtn.asm: Likewise.
5691         * config/arm/ieee754-df.S: Likewise.
5692         * config/arm/ieee754-sf.S: Likewise.
5693         * config/arm/lib1funcs.asm: Likewise.
5694         * config/arm/libunwind.S: Likewise.
5695         * config/arm/linux-atomic.c: Likewise.
5696         * config/arm/mmintrin.h: Likewise.
5697         * config/arm/pr-support.c: Likewise.
5698         * config/arm/unaligned-funcs.c: Likewise.
5699         * config/arm/unwind-arm.c: Likewise.
5700         * config/arm/unwind-arm.h: Likewise.
5701         * config/avr/libgcc.S: Likewise.
5702         * config/bfin/crti.s: Likewise.
5703         * config/bfin/crtlibid.s: Likewise.
5704         * config/bfin/crtn.s: Likewise.
5705         * config/bfin/lib1funcs.asm: Likewise.
5706         * config/bfin/linux-unwind.h: Likewise.
5707         * config/cris/arit.c: Likewise.
5708         * config/cris/cris_abi_symbol.c: Likewise.
5709         * config/darwin-64.c: Likewise.
5710         * config/darwin-crt2.c: Likewise.
5711         * config/darwin-crt3.c: Likewise.
5712         * config/darwin.h: Likewise.
5713         * config/dbxelf.h: Likewise.
5714         * config/dfp-bit.c: Likewise.
5715         * config/dfp-bit.h: Likewise.
5716         * config/elfos.h: Likewise.
5717         * config/fixed-bit.c: Likewise.
5718         * config/fixed-bit.h: Likewise.
5719         * config/fp-bit.c: Likewise.
5720         * config/fp-bit.h: Likewise.
5721         * config/fr30/crti.asm: Likewise.
5722         * config/fr30/crtn.asm: Likewise.
5723         * config/fr30/lib1funcs.asm: Likewise.
5724         * config/freebsd-spec.h: Likewise.
5725         * config/frv/cmovd.c: Likewise.
5726         * config/frv/cmovh.c: Likewise.
5727         * config/frv/cmovw.c: Likewise.
5728         * config/frv/frvbegin.c: Likewise.
5729         * config/frv/frvend.c: Likewise.
5730         * config/frv/lib1funcs.asm: Likewise.
5731         * config/glibc-stdint.h: Likewise.
5732         * config/h8300/clzhi2.c: Likewise.
5733         * config/h8300/crti.asm: Likewise.
5734         * config/h8300/crtn.asm: Likewise.
5735         * config/h8300/ctzhi2.c: Likewise.
5736         * config/h8300/fixunssfsi.c: Likewise.
5737         * config/h8300/lib1funcs.asm: Likewise.
5738         * config/h8300/parityhi2.c: Likewise.
5739         * config/h8300/popcounthi2.c: Likewise.
5740         * config/i386/ammintrin.h: Likewise.
5741         * config/i386/att.h: Likewise.
5742         * config/i386/avxintrin.h: Likewise.
5743         * config/i386/biarch64.h: Likewise.
5744         * config/i386/bmmintrin.h: Likewise.
5745         * config/i386/cpuid.h: Likewise.
5746         * config/i386/cross-stdarg.h: Likewise.
5747         * config/i386/crtfastmath.c: Likewise.
5748         * config/i386/crtprec.c: Likewise.
5749         * config/i386/cygming-crtbegin.c: Likewise.
5750         * config/i386/cygming-crtend.c: Likewise.
5751         * config/i386/cygwin.asm: Likewise.
5752         * config/i386/emmintrin.h: Likewise.
5753         * config/i386/gmm_malloc.h: Likewise.
5754         * config/i386/gthr-win32.c: Likewise.
5755         * config/i386/i386.h: Likewise.
5756         * config/i386/immintrin.h: Likewise.
5757         * config/i386/linux-unwind.h: Likewise.
5758         * config/i386/linux64.h: Likewise.
5759         * config/i386/mm3dnow.h: Likewise.
5760         * config/i386/mmintrin-common.h: Likewise.
5761         * config/i386/mmintrin.h: Likewise.
5762         * config/i386/nmmintrin.h: Likewise.
5763         * config/i386/pmm_malloc.h: Likewise.
5764         * config/i386/pmmintrin.h: Likewise.
5765         * config/i386/smmintrin.h: Likewise.
5766         * config/i386/sol2-c1.asm: Likewise.
5767         * config/i386/sol2-ci.asm: Likewise.
5768         * config/i386/sol2-cn.asm: Likewise.
5769         * config/i386/sol2-gc1.asm: Likewise.
5770         * config/i386/tmmintrin.h: Likewise.
5771         * config/i386/unix.h: Likewise.
5772         * config/i386/w32-unwind.h: Likewise.
5773         * config/i386/wmmintrin.h: Likewise.
5774         * config/i386/x86-64.h: Likewise.
5775         * config/i386/x86intrin.h: Likewise.
5776         * config/i386/xmmintrin.h: Likewise.
5777         * config/ia64/crtbegin.asm: Likewise.
5778         * config/ia64/crtend.asm: Likewise.
5779         * config/ia64/crtfastmath.c: Likewise.
5780         * config/ia64/crti.asm: Likewise.
5781         * config/ia64/crtn.asm: Likewise.
5782         * config/ia64/fde-glibc.c: Likewise.
5783         * config/ia64/lib1funcs.asm: Likewise.
5784         * config/ia64/linux-unwind.h: Likewise.
5785         * config/ia64/quadlib.c: Likewise.
5786         * config/ia64/unwind-ia64.c: Likewise.
5787         * config/linux.h: Likewise.
5788         * config/m32c/m32c-lib1.S: Likewise.
5789         * config/m32c/m32c-lib2-trapv.c: Likewise.
5790         * config/m32c/m32c-lib2.c: Likewise.
5791         * config/m32r/initfini.c: Likewise.
5792         * config/m68hc11/larith.asm: Likewise.
5793         * config/m68hc11/m68hc11-crt0.S: Likewise.
5794         * config/m68k/cf.md: Likewise.
5795         * config/m68k/crti.s: Likewise.
5796         * config/m68k/crtn.s: Likewise.
5797         * config/m68k/lb1sf68.asm: Likewise.
5798         * config/m68k/linux-unwind.h: Likewise.
5799         * config/mcore/crti.asm: Likewise.
5800         * config/mcore/crtn.asm: Likewise.
5801         * config/mcore/lib1.asm: Likewise.
5802         * config/mips/linux-unwind.h: Likewise.
5803         * config/mips/loongson.h: Likewise.
5804         * config/mips/mips16.S: Likewise.
5805         * config/mmix/crti.asm: Likewise.
5806         * config/mmix/crtn.asm: Likewise.
5807         * config/pa/fptr.c: Likewise.
5808         * config/pa/hpux-unwind.h: Likewise.
5809         * config/pa/lib2funcs.asm: Likewise.
5810         * config/pa/linux-atomic.c: Likewise.
5811         * config/pa/linux-unwind.h: Likewise.
5812         * config/pa/milli64.S: Likewise.
5813         * config/pa/quadlib.c: Likewise.
5814         * config/pa/stublib.c: Likewise.
5815         * config/picochip/libgccExtras/adddi3.asm: Likewise.
5816         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
5817         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
5818         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
5819         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
5820         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
5821         * config/picochip/libgccExtras/divmod15.asm: Likewise.
5822         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
5823         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
5824         * config/picochip/libgccExtras/longjmp.asm: Likewise.
5825         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
5826         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
5827         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
5828         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
5829         * config/picochip/libgccExtras/setjmp.asm: Likewise.
5830         * config/picochip/libgccExtras/subdi3.asm: Likewise.
5831         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
5832         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
5833         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
5834         * config/rs6000/750cl.h: Likewise.
5835         * config/rs6000/altivec.h: Likewise.
5836         * config/rs6000/biarch64.h: Likewise.
5837         * config/rs6000/crtresfpr.asm: Likewise.
5838         * config/rs6000/crtresgpr.asm: Likewise.
5839         * config/rs6000/crtresxfpr.asm: Likewise.
5840         * config/rs6000/crtresxgpr.asm: Likewise.
5841         * config/rs6000/crtsavfpr.asm: Likewise.
5842         * config/rs6000/crtsavgpr.asm: Likewise.
5843         * config/rs6000/darwin-asm.h: Likewise.
5844         * config/rs6000/darwin-fallback.c: Likewise.
5845         * config/rs6000/darwin-fpsave.asm: Likewise.
5846         * config/rs6000/darwin-ldouble.c: Likewise.
5847         * config/rs6000/darwin-tramp.asm: Likewise.
5848         * config/rs6000/darwin-unwind.h: Likewise.
5849         * config/rs6000/darwin-vecsave.asm: Likewise.
5850         * config/rs6000/darwin-world.asm: Likewise.
5851         * config/rs6000/e500crtres32gpr.asm: Likewise.
5852         * config/rs6000/e500crtres64gpr.asm: Likewise.
5853         * config/rs6000/e500crtres64gprctr.asm: Likewise.
5854         * config/rs6000/e500crtrest32gpr.asm: Likewise.
5855         * config/rs6000/e500crtrest64gpr.asm: Likewise.
5856         * config/rs6000/e500crtresx32gpr.asm: Likewise.
5857         * config/rs6000/e500crtresx64gpr.asm: Likewise.
5858         * config/rs6000/e500crtsav32gpr.asm: Likewise.
5859         * config/rs6000/e500crtsav64gpr.asm: Likewise.
5860         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
5861         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
5862         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
5863         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
5864         * config/rs6000/eabi-ci.asm: Likewise.
5865         * config/rs6000/eabi-cn.asm: Likewise.
5866         * config/rs6000/eabi.asm: Likewise.
5867         * config/rs6000/linux-unwind.h: Likewise.
5868         * config/rs6000/linux64.h: Likewise.
5869         * config/rs6000/paired.h: Likewise.
5870         * config/rs6000/paired.md: Likewise.
5871         * config/rs6000/ppc64-fp.c: Likewise.
5872         * config/rs6000/ppu_intrinsics.h: Likewise.
5873         * config/rs6000/rs6000.h: Likewise.
5874         * config/rs6000/si2vmx.h: Likewise.
5875         * config/rs6000/sol-ci.asm: Likewise.
5876         * config/rs6000/sol-cn.asm: Likewise.
5877         * config/rs6000/spe.h: Likewise.
5878         * config/rs6000/spu2vmx.h: Likewise.
5879         * config/rs6000/sysv4.h: Likewise.
5880         * config/rs6000/tramp.asm: Likewise.
5881         * config/rs6000/vec_types.h: Likewise.
5882         * config/s390/linux-unwind.h: Likewise.
5883         * config/s390/tpf-unwind.h: Likewise.
5884         * config/score/crti.asm: Likewise.
5885         * config/score/crtn.asm: Likewise.
5886         * config/sh/crt1.asm: Likewise.
5887         * config/sh/crti.asm: Likewise.
5888         * config/sh/crtn.asm: Likewise.
5889         * config/sh/divtab-sh4-300.c: Likewise.
5890         * config/sh/divtab-sh4.c: Likewise.
5891         * config/sh/divtab.c: Likewise.
5892         * config/sh/lib1funcs-4-300.asm: Likewise.
5893         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
5894         * config/sh/lib1funcs.asm: Likewise.
5895         * config/sh/lib1funcs.h: Likewise.
5896         * config/sh/linux-atomic.asm: Likewise.
5897         * config/sh/linux-unwind.h: Likewise.
5898         * config/sh/shmedia.h: Likewise.
5899         * config/sh/sshmedia.h: Likewise.
5900         * config/sh/ushmedia.h: Likewise.
5901         * config/sparc/crtfastmath.c: Likewise.
5902         * config/sparc/linux-unwind.h: Likewise.
5903         * config/sparc/sol2-c1.asm: Likewise.
5904         * config/sparc/sol2-ci.asm: Likewise.
5905         * config/sparc/sol2-cn.asm: Likewise.
5906         * config/spu/divmodti4.c: Likewise.
5907         * config/spu/divv2df3.c: Likewise.
5908         * config/spu/float_disf.c: Likewise.
5909         * config/spu/float_unsdidf.c: Likewise.
5910         * config/spu/float_unsdisf.c: Likewise.
5911         * config/spu/float_unssidf.c: Likewise.
5912         * config/spu/mfc_multi_tag_release.c: Likewise.
5913         * config/spu/mfc_multi_tag_reserve.c: Likewise.
5914         * config/spu/mfc_tag_release.c: Likewise.
5915         * config/spu/mfc_tag_reserve.c: Likewise.
5916         * config/spu/mfc_tag_table.c: Likewise.
5917         * config/spu/multi3.c: Likewise.
5918         * config/spu/spu_internals.h: Likewise.
5919         * config/spu/spu_intrinsics.h: Likewise.
5920         * config/spu/spu_mfcio.h: Likewise.
5921         * config/spu/vec_types.h: Likewise.
5922         * config/spu/vmx2spu.h: Likewise.
5923         * config/stormy16/stormy16-lib2.c: Likewise.
5924         * config/svr4.h: Likewise.
5925         * config/sync.c: Likewise.
5926         * config/v850/lib1funcs.asm: Likewise.
5927         * config/vxlib-tls.c: Likewise.
5928         * config/vxlib.c: Likewise.
5929         * config/vxworks-dummy.h: Likewise.
5930         * config/xtensa/crti.asm: Likewise.
5931         * config/xtensa/crtn.asm: Likewise.
5932         * config/xtensa/ieee754-df.S: Likewise.
5933         * config/xtensa/ieee754-sf.S: Likewise.
5934         * config/xtensa/lib1funcs.asm: Likewise.
5935         * config/xtensa/lib2funcs.S: Likewise.
5936         * config/xtensa/linux-unwind.h: Likewise.
5937         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
5938         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
5939         * coretypes.h: Likewise.
5940         * crtstuff.c: Likewise.
5941         * defaults.h: Likewise.
5942         * dwarf2.h: Likewise.
5943         * emutls.c: Likewise.
5944         * gbl-ctors.h: Likewise.
5945         * gcov-io.h: Likewise.
5946         * ginclude/float.h: Likewise.
5947         * ginclude/iso646.h: Likewise.
5948         * ginclude/stdarg.h: Likewise.
5949         * ginclude/stdbool.h: Likewise.
5950         * ginclude/stddef.h: Likewise.
5951         * ginclude/stdfix.h: Likewise.
5952         * ginclude/stdint-gcc.h: Likewise.
5953         * ginclude/tgmath.h: Likewise.
5954         * gthr-aix.h: Likewise.
5955         * gthr-dce.h: Likewise.
5956         * gthr-gnat.c: Likewise.
5957         * gthr-gnat.h: Likewise.
5958         * gthr-lynx.h: Likewise.
5959         * gthr-mipssde.h: Likewise.
5960         * gthr-nks.h: Likewise.
5961         * gthr-posix.c: Likewise.
5962         * gthr-posix.h: Likewise.
5963         * gthr-posix95.h: Likewise.
5964         * gthr-rtems.h: Likewise.
5965         * gthr-single.h: Likewise.
5966         * gthr-solaris.h: Likewise.
5967         * gthr-tpf.h: Likewise.
5968         * gthr-vxworks.h: Likewise.
5969         * gthr-win32.h: Likewise.
5970         * gthr.h: Likewise.
5971         * libgcc2.c: Likewise.
5972         * libgcc2.h: Likewise.
5973         * libgcov.c: Likewise.
5974         * tsystem.h: Likewise.
5975         * typeclass.h: Likewise.
5976         * unwind-c.c: Likewise.
5977         * unwind-compat.h: Likewise.
5978         * unwind-dw2-fde-compat.c: Likewise.
5979         * unwind-dw2-fde-darwin.c: Likewise.
5980         * unwind-dw2-fde-glibc.c: Likewise.
5981         * unwind-dw2-fde.c: Likewise.
5982         * unwind-dw2-fde.h: Likewise.
5983         * unwind-dw2.c: Likewise.
5984         * unwind-dw2.h: Likewise.
5985         * unwind-generic.h: Likewise.
5986         * unwind-pe.h: Likewise.
5987         * unwind-sjlj.c: Likewise.
5988         * unwind.inc: Likewise.
5989         * config/arm/neon-gen.ml: Change generated copyright header to
5990         refer to version 3 of the GNU General Public License with
5991         version 3.1 of the GCC Runtime Library Exception and to point
5992         readers at the COPYING3 and COPYING3.RUNTIME files and the
5993         FSF's license web page.
5994         * config/arm/arm_neon.h: Regenerate.
5995
5996 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
5997
5998         * config/cris/cris.md: Change copyright header to refer to version
5999         3 of the GNU General Public License.
6000         * doc/install.texi2html: Change copyright header to refer to version
6001         3 of the GNU General Public License and to point readers at the
6002         COPYING3 file and the FSF's license web page.
6003         * config/vax/linux.h: Likewise.
6004
6005 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
6006
6007         * config/i386/i386.md (cmpcc): New.
6008         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
6009         (sync_compare_and_swap_cc*): Delete.
6010
6011         * config/s390/s390.c (s390_compare_emitted): Remove.
6012         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
6013         s390_compare_emitted used to be handled.  Assert that modes match.
6014         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
6015         refer to sync_compare_and_swap_ccsi.
6016         * config/s390/s390.h (s390_compare_emitted): Remove.
6017         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
6018         instead of s390_compare_emitted.
6019         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
6020         instead of s390_compare_emitted.
6021         * config/s390/s390.md (cmpcc): New.
6022         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
6023         CC_REGNUM, do not pretend it's set.
6024         (sync_compare_and_swap_cc*): Delete.
6025         * config/s390/predicates.md (cc_reg_operand): New.
6026
6027         * expr.c (sync_compare_and_swap_cc): Delete.
6028         * optabs.h (sync_compare_and_swap_cc): Delete.
6029         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
6030         is being used with can_compare_p.
6031         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
6032         (find_cc_set): New.
6033         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
6034         look for a MODE_CC set instead.  Use emit_store_flag.
6035         (expand_compare_and_swap_loop): Likewise, with some additional
6036         complication to avoid a force_reg when useless.  Use
6037         emit_cmp_and_jump_insns.
6038         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
6039         * doc/md.texi (sync_compare_and_swap_cc): Merge with
6040         sync_compare_and_swap documentation.
6041
6042 2009-04-09  Jan Hubicka  <jh@suse.cz>
6043
6044         * except.c (find_prev_try): Break out from ....
6045         (duplicate_eh_regions): ... here; properly update prev_try pointers
6046         when duplication part of tree.
6047         (dump_eh_tree): Improve dumping.
6048         (verify_eh_region): New.
6049         (verify_eh_tree): Use it.
6050
6051 2009-04-06  Richard Guenther  <rguenther@suse.de>
6052
6053         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
6054         &ARRAY addresses by adjusting their types and prepending
6055         a conversion.
6056         * tree-cfg.c (verify_gimple_assign_single): Verify that
6057         addresses are correct.
6058
6059 2009-04-09  Richard Guenther  <rguenther@suse.de>
6060
6061         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
6062         indices into an array reference if possible.
6063         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
6064         Fold POINTER_PLUS_EXPR statements with invariant address.
6065
6066 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
6067
6068         PR target/39634
6069         * config.gcc (powerpc64-*-linux*): Always build biarch.
6070
6071 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
6072
6073         PR c/39613
6074         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
6075         it and pedwarn if this results in an INTEGER_CST.
6076
6077 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6078
6079         * doc/install.texi: Update minimum GMP version.  Remove obsolete
6080         text in MPFR section.
6081
6082 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
6083
6084         * dwarf2out.c (class_scope_p): New static inline.
6085         (class_or_namespace_scope_p): Use it.
6086         (gen_variable_die): Use DW_TAG_member tag for static data member
6087         declarations instead of DW_TAG_variable.
6088
6089         PR middle-end/39573
6090         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
6091         variables.
6092
6093 2009-04-08  Richard Guenther  <rguenther@suse.de>
6094
6095         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
6096         valueize random data.
6097
6098 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
6099
6100         * config.gcc (aix tm_file):  Add aix-stdint.h.
6101         (aix tm clause use_gcc_stdint):  Set to wrap.
6102         * config/rs6000/aix-stdint.h:  New file.
6103
6104 2009-04-08  Richard Guenther  <rguenther@suse.de>
6105
6106         PR middle-end/36291
6107         * tree-dfa.c (add_referenced_var): Do not recurse into
6108         global initializers.
6109         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
6110         exposed variables.
6111         (fold_const_aggregate_ref): Likewise.
6112
6113 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
6114
6115         * recog.c (ordered_comparison_operator): New.
6116         * gensupport.c (std_preds): Add it.
6117         * doc/md.texi (Machine-Independent Predicates): Document it.
6118
6119 2009-04-08  Jan Hubicka  <jh@suse.cz>
6120
6121         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
6122         * function.h (rtl_eh): Remove exception_handler_label_map.
6123         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
6124         remove_exception_handler_label, for_each_eh_label_1): Remove.
6125         (rtl_remove_unreachable_regions): Remove.
6126         (convert_from_eh_region_ranges): Do not remove unreachable regions.
6127         (find_exception_handler_labels): Don't build the hashtable.
6128         (maybe_remove_eh_handler): Remove.
6129         (for_each_eh_label): Rewrite to walk the tree.
6130         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
6131         * except.h (maybe_remove_eh_handler): Remove.
6132         * passes.c (init_optimization_passes): Schedule second EH cleanup
6133         before out-of-ssa.
6134         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
6135         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
6136
6137 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
6138
6139         * genoutput.c (validate_optab_operands): New.
6140         (gen_insn, gen_expand): Call it.
6141
6142         * genflags.c (gen_insn): Detect misused iterators.
6143         (main): Pass line_no to gen_insn, exit with status 1 on error.
6144
6145         * genextract.c (line_no): Make global.
6146         (VEC_safe_set_locstr): Change assertion to error message.
6147         (main): Exit with status 1 on error.
6148
6149 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
6150
6151         PR c/39614
6152         PR c/39673
6153         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
6154         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
6155         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
6156         * c-convert.c (convert): Do not call fold on results of conversion
6157         functions when the result is a C_MAYBE_CONST_EXPR.
6158         * c-parser.c (c_parser_postfix_expression): Do not fold condition
6159         of __builtin_choose_expr.
6160         * c-typeck.c (remove_c_maybe_const_expr): New.
6161         (build_unary_op, build_conditional_expr, build_compound_expr,
6162         build_binary_op, c_objc_common_truthvalue_conversion): Call
6163         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
6164         integer operands.
6165
6166 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
6167
6168         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
6169         CODE to produce a new one. Add a prototype to use fold_convert_const
6170
6171 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
6172
6173         PR bootstrap/39660
6174         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
6175         mix declarations and code.
6176
6177 2009-04-08  Ben Elliston  <bje@au.ibm.com>
6178
6179         * gcc.c: Replace `CC' with `GCC' throughout.
6180
6181 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
6182
6183         * doc/invoke.texi: Document Atom support.
6184
6185 2009-04-07  Jason Merrill  <jason@redhat.com>
6186
6187         PR c++/25185
6188         * c-common.h, c-common.c: Add flag_pretty_templates.
6189         * c-opts.c (c_common_handle_option): Set it.
6190         * c.opt: Add -fno-pretty-templates.
6191         * doc/invoke.texi (C++ Dialect Options): Likewise.
6192
6193 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
6194
6195         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
6196         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
6197         (ia64_expand_builtin): Likewise.
6198
6199 2009-04-07  Martin Jambor  <mjambor@suse.cz>
6200
6201         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
6202         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
6203         ADDR_EXPRS are include too.
6204
6205 2009-04-07  Richard Guenther  <rguenther@suse.de>
6206
6207         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
6208         decls are only used if passes as parameters or if they are
6209         local statics and the call is not to a builtin.
6210         (call_may_clobber_ref_p_1): Likewise.
6211
6212 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6213
6214         * expr.c (do_store_flag): Remove last argument.  Simplify code
6215         to avoid duplication of tests already done by can_compare_p.
6216         (expand_expr_real_1): Adjust caller.
6217
6218 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6219
6220         * optabs.c (can_compare_p): Test the predicate of a
6221         cbranch and cstore pattern.
6222
6223 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6224
6225         * expr.c (convert_move): Use emit_store_flag instead of
6226         "emulating" it.
6227
6228 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6229
6230         * config/i386/i386.c (ix86_compare_emitted): Remove.
6231         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
6232         ix86_compare_op0 like ix86_compare_emitted used to be handled.
6233         * config/i386/i386.h (ix86_compare_emitted): Remove.
6234         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
6235         instead of ix86_compare_emitted.
6236         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
6237
6238 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
6239
6240         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
6241         Add t-sysroot-suffix to tmake_file.
6242         * config/print-sysroot-suffix.sh: New file.
6243         * config/t-sysroot-suffix: New file.
6244
6245 2009-04-07  Ben Elliston  <bje@au.ibm.com>
6246
6247         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
6248         as the latter produces a warning when the target does not support
6249         infinity.
6250
6251 2009-04-07  Ben Elliston  <bje@au.ibm.com>
6252
6253         * dfp.c: Replace type punning assignments with memcpy throughout.
6254         * Makefile.in (dfp.o-warn): Remove.
6255
6256 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
6257
6258         PR target/39634
6259         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
6260         Include soft-fp/t-softfp after rs6000/t-linux64.
6261
6262 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
6263
6264         * stor-layout.c (set_sizetype): Use the full precision of their
6265         machine mode for bitsize types.
6266
6267 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
6268
6269         * config/i386/i386.md: Revert 2 accidental checkins.
6270
6271 2009-04-06  Joey Ye  <joey.ye@intel.com>
6272             Xuepeng Guo  <xuepeng.guo@intel.com>
6273             H.J. Lu  <hongjiu.lu@intel.com>
6274
6275         Atom pipeline model, tuning and insn selection.
6276         * config.gcc (atom): Add atom config options and target.
6277
6278         * config/i386/atom.md: New.
6279
6280         * config/i386/i386.c (atom_cost): New cost.
6281         (m_ATOM): New macro flag.
6282         (initial_ix86_tune_features): Set m_ATOM.
6283         (x86_accumulate_outgoing_args): Likewise.
6284         (x86_arch_always_fancy_math_387): Likewise.
6285         (processor_target): Add Atom cost.
6286         (cpu_names): Add Atom cpu name.
6287         (override_options): Set Atom ISA.
6288         (ix86_issue_rate): New case PROCESSOR_ATOM.
6289         (ix86_adjust_cost): Likewise.
6290
6291         * config/i386/i386.h (TARGET_ATOM): New target macro.
6292         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
6293         (TARGET_OPT_AGU): New target option.
6294         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
6295         (processor_type): Add PROCESSOR_ATOM.
6296
6297         * config/i386/i386.md (cpu): Add new value "atom".
6298         (use_carry, movu): New attr.
6299         (atom.md): Include atom.md.
6300         (adddi3_carry_rex64): Set attr "use_carry".
6301         (addqi3_carry): Likewise.
6302         (addhi3_carry): Likewise.
6303         (addsi3_carry): Likewise.
6304         (*addsi3_carry_zext): Likewise.
6305         (subdi3_carry_rex64): Likewise.
6306         (subqi3_carry): Likewise.
6307         (subhi3_carry): Likewise.
6308         (subsi3_carry): Likewise.
6309         (x86_movdicc_0_m1_rex64): Likewise.
6310         (*x86_movdicc_0_m1_se): Likewise.
6311         (x86_movsicc_0_m1): Likewise.
6312         (*x86_movsicc_0_m1_se): Likewise.
6313         (*adddi_1_rex64): Emit add insn as much as possible.
6314         (*addsi_1): Likewise.
6315         (return_internal): Set atom_unit.
6316         (return_internal_long): Likewise.
6317         (return_pop_internal): Likewise.
6318         (*rcpsf2_sse): Set atom_sse_attr attr.
6319         (*qrt<mode>2_sse): Likewise.
6320         (*prefetch_sse): Likewise.
6321
6322         * config/i386/i386-c.c (ix86_target_macros_internal): New case
6323         PROCESSOR_ATOM.
6324         (ix86_target_macros_internal): Likewise.
6325
6326         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
6327         (*prefetch_sse_rex): Likewise.
6328         (sse_rcpv4sf2): Likewise.
6329         (sse_vmrcpv4sf2): Likewise.
6330         (sse_sqrtv4sf2): Likewise.
6331         (<sse>_vmsqrt<mode>2): Likewise.
6332         (sse_ldmxcsr): Likewise.
6333         (sse_stmxcsr): Likewise.
6334         (*sse_sfence): Likewise.
6335         (sse2_clflush): Likewise.
6336         (*sse2_mfence): Likewise.
6337         (*sse2_lfence): Likewise.
6338         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
6339         (<sse>_movup<ssemodesuffixf2c>): Likewise.
6340         (avx_movdqu<avxmodesuffix>): Likewise.
6341         (avx_lddqu<avxmodesuffix>): Likewise.
6342         (sse2_movntv2di): Change attr "type" to "ssemov".
6343         (sse2_movntsi): Likewise.
6344         (rsqrtv8sf2): Change attr "type" to "sseadd".
6345         (sse3_addsubv2df3): Set attr "atom_unit".
6346         (sse3_h<plusminus_insn>v4sf3): Likewise.
6347         (*sse2_pmaddwd): Likewise.
6348         (*vec_extractv2di_1_rex64): Likewise.
6349         (*vec_extractv2di_1_avx): Likewise.
6350         (sse2_psadbw): Likewise.
6351         (ssse3_phaddwv8hi3): Likewise.
6352         (ssse3_phaddwv4hi3): Likewise.
6353         (ssse3_phadddv4si3): Likewise.
6354         (ssse3_phadddv2si3): Likewise.
6355         (ssse3_phaddswv8hi3): Likewise.
6356         (ssse3_phaddswv4hi3): Likewise.
6357         (ssse3_phsubwv8hi3): Likewise.
6358         (ssse3_phsubwv4hi3): Likewise.
6359         (ssse3_phsubdv4si3): Likewise.
6360         (ssse3_phsubdv2si3): Likewise.
6361         (ssse3_phsubswv8hi3): Likewise.
6362         (ssse3_phsubswv4hi3): Likewise.
6363         (ssse3_pmaddubsw128): Likewise.
6364         (sse3_pmaddubsw: Likewise.
6365         (ssse3_palignrti): Likewise.
6366         (ssse3_palignrdi): Likewise.
6367
6368 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
6369
6370         * doc/install.texi (Specific): Fix two cross-references to MinGW.
6371
6372 2009-04-06  Richard Guenther  <rguenther@suse.de>
6373
6374         PR tree-optimization/28868
6375         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
6376         of which PHI results we inserted.
6377         (insert_into_preds_of_block): Record inserted PHIs.
6378         (eliminate): Eliminate redundant PHI nodes.
6379         (init_pre): Init inserted_phi_names.
6380
6381 2009-04-06  Richard Guenther  <rguenther@suse.de>
6382
6383         PR tree-optimization/39643
6384         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
6385         IMAGPART_EXPRs of complex constants.
6386         (execute_fold_all_builtins): If we folded a call queue
6387         TODO_update_address_taken.
6388
6389 2009-04-06  Jan Hubicka  <jh@suse.cz>
6390
6391         PR middle-end/39659
6392         * except.c (remove_unreachable_regions): Propagate may_contain_throw
6393         flag.
6394
6395 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
6396
6397         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
6398         delay slot.
6399         (ic_invalidate_array): Likewise.
6400
6401 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
6402
6403         * calls.c (emit_library_call_value_1): Fix a problem with parameter
6404         alignment for library calls.
6405
6406 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
6407
6408         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
6409         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
6410         * config/i386/mingw-stdint.h:  New file.
6411
6412 2009-04-05  Richard Guenther  <rguenther@suse.de>
6413
6414         PR tree-optimization/39648
6415         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
6416         our &A vs. &A[0] IL deficiencies.
6417
6418 2009-04-04  Jan Hubicka  <jh@suse.cz>
6419
6420         * except.c (sjlj_find_directly_reachable_regions): Be ready for
6421         removed toplevel regions.
6422         (sjlj_mark_call_sites): Likewise.
6423
6424 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
6425
6426         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
6427         (cygwin tm clause use_gcc_stdint):  Set to wrap.
6428         * config/i386/cygwin-stdint.h:  New file.
6429
6430 2009-04-04  Richard Guenther  <rguenther@suse.de>
6431
6432         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
6433         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
6434         single-argument PHIs if we are in loop-closed SSA form.
6435         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
6436         for the pre-condition.
6437         (slpeel_tree_peel_loop_to_edge): Likewise.
6438         (vect_build_loop_niters): Take an optional sequence to append stmts.
6439         (vect_generate_tmps_on_preheader): Likewise.
6440         (vect_do_peeling_for_loop_bound): Take extra guards for the
6441         pre-condition.
6442         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
6443         the cost model check.
6444         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
6445         guards if we are going to peel.  Do not apply versioning in that case.
6446         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
6447         (vect_do_peeling_for_loop_bound): Likewise.
6448         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
6449         loop bound only record extra pre-conditions, do not apply loop
6450         versioning.
6451
6452 2009-04-04  Richard Guenther  <rguenther@suse.de>
6453
6454         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
6455         renaming code.
6456
6457 2009-04-04  Jan Hubicka  <jh@suse.cz>
6458
6459         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
6460         last_basic_block for size of bb->index indexed array.
6461         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
6462         compute_out, link_btr_uses, build_btr_def_use_webs,
6463         build_btr_def_use_webs, migrate_btr_defs): Likewise.
6464
6465 2009-04-04  Jan Hubicka  <jh@suse.cz>
6466
6467         * except.c (remove_eh_handler_and_replace): Break out from ...
6468         (remove_eh_handler): ... here.
6469         (bring_to_root): New function.
6470         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
6471         handled ones, bring others to root of tree.
6472
6473 2009-04-04  Jan Hubicka  <jh@suse.cz>
6474
6475         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
6476         (all_phis_safe_to_merge): New function.
6477         (update_info): New structure.
6478         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
6479         (cleanup_empty_eh): Update SSA if possible.
6480
6481 2009-04-04  Richard Guenther  <rguenther@suse.de>
6482
6483         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
6484         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
6485         (append_vuse): Likewise.
6486
6487 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
6488
6489         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
6490         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
6491         instead of REG_UNSAVED for DW_CFA_undefined.
6492         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
6493         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
6494         outermost frame.
6495
6496 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
6497
6498         PR target/39501
6499         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
6500         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
6501         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
6502
6503 2009-04-04  Richard Guenther  <rguenther@suse.de>
6504
6505         PR tree-optimization/8781
6506         PR tree-optimization/37892
6507         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
6508         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
6509         (valueize_refs): Call it for *& valueizations.
6510         (shared_reference_ops_from_ref): Rename to ...
6511         (valueize_shared_reference_ops_from_ref): ... this and valueize.
6512         (shared_reference_ops_from_call): Rename to ...
6513         (valueize_shared_reference_ops_from_call): ... this and valueize.
6514         (vn_reference_lookup): Update.
6515         (visit_reference_op_call): Likewise.
6516         * tree-ssa-pre.c (phi_translate_1): Fold *&.
6517         (eliminate): Value-replace the call address in call statements.
6518
6519 2009-04-04  Richard Guenther  <rguenther@suse.de>
6520
6521         PR tree-optimization/39636
6522         * tree-ssa-forwprop.c
6523         (forward_propagate_addr_into_variable_array_index): Check for
6524         GIMPLE_ASSIGN before accessing the rhs code.
6525
6526 2009-04-03  Jason Merrill  <jason@redhat.com>
6527
6528         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
6529
6530 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
6531
6532         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
6533         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
6534         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
6535         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
6536         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
6537         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
6538         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
6539         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
6540         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
6541         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
6542         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
6543         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
6544         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
6545         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
6546         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
6547         Use fr_reg_or_fp01_operand instead of fr_register_operand
6548
6549         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
6550         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
6551         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
6552
6553 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
6554
6555         PR rtl-optimization/39607
6556         PR rtl-optimization/39631
6557
6558         Revert:
6559
6560         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6561         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
6562         instead of DF_LR_OUT.
6563         * ira-lives.c (process_bb_node_lives): Ditto.
6564         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
6565         instead of DF_LR_{OUT,IN}.
6566         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
6567         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
6568
6569 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
6570
6571         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
6572         (execute_lower_omp): Always run but take the short way out if -fopenmp
6573         is not given.
6574         (gate_lower_omp): Remove, forcing the pass manager to always run the
6575         pass and always set PROP_gimple_lomp.
6576         (pass_lower_omp): Remove gate function.
6577         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
6578         PROP_trees.  Instead, require it.
6579         * ipa-cp.c (pass_ipa_cp): Likewise.
6580         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
6581         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
6582         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
6583         and PROP_gimple_leh.
6584
6585 2009-04-03  Richard Guenther  <rguenther@suse.de>
6586
6587         PR middle-end/13146
6588         PR tree-optimization/23940
6589         PR tree-optimization/33237
6590         PR middle-end/33974
6591         PR middle-end/34093
6592         PR tree-optimization/36201
6593         PR tree-optimization/36230
6594         PR tree-optimization/38049
6595         PR tree-optimization/38207
6596         PR tree-optimization/38230
6597         PR tree-optimization/38301
6598         PR tree-optimization/38585
6599         PR middle-end/38895
6600         PR tree-optimization/38985
6601         PR tree-optimization/39299
6602         * tree-ssa-structalias.h: Remove.
6603         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
6604         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
6605         (struct vuse_element_d): Remove.
6606         (struct vuse_vec_d): Likewise.
6607         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
6608         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
6609         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
6610         VUSE_ELEMENT_VAR): Likewise.
6611         (struct voptype_d): Likewise.
6612         (NUM_VOP_FREE_BUCKETS): Likewise.
6613         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
6614         (struct stmt_operands_d): Remove.
6615         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
6616         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
6617         VDEF_NUM, VDEF_VECT): Likewise.
6618         (copy_virtual_operands): Remove.
6619         (operand_build_cmp): Likewise.
6620         (create_ssa_artificial_load_stmt): Likewise.
6621         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
6622         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
6623         vuse_index and mayuse_index members.  Pack and move done and iter_type
6624         members to the front.
6625         (SSA_OP_VMAYUSE): Remove.
6626         (SSA_OP_VIRTUAL_USES): Adjust.
6627         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
6628         (unlink_stmt_vdef): Declare.
6629         (add_to_addressable_set): Remove.
6630         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
6631         (vrp_visit_stmt): Likewise.
6632         * doc/tree-ssa.texi (Alias analysis): Update.
6633         * doc/invoke.texi (max-aliased-vops): Remove docs.
6634         (avg-aliased-vops): Likewise.
6635         * tree-into-ssa.c (syms_to_rename): Remove.
6636         (need_to_update_vops_p): Likewise.
6637         (need_to_initialize_update_ssa_p): Rename to ...
6638         (update_ssa_initialized_fn): ... this.  Track function we are
6639         initialized for.
6640         (symbol_marked_for_renaming): Simplify.
6641         (add_new_name_mapping): Do not set need_to_update_vops_p.
6642         (dump_currdefs): Use SYMS_TO_RENAME.
6643         (rewrite_update_stmt): Always walk all uses/defs.
6644         (dump_update_ssa): Adjust.
6645         (init_update_ssa): Take function argument.  Track what we are
6646         initialized for.
6647         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
6648         (create_new_def_for): Initialize for cfun, assert we are initialized
6649         for cfun.
6650         (mark_sym_for_renaming): Simplify.
6651         (mark_set_for_renaming): Do not initialize update-ssa.
6652         (need_ssa_update_p): Simplify.  Take function argument.
6653         (name_mappings_registered_p): Assert we ask for the correct function.
6654         (name_registered_for_update_p): Likewise.
6655         (ssa_names_to_replace): Likewise.
6656         (release_ssa_name_after_update_ssa): Likewise.
6657         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
6658         (dump_decl_set): Do not print a newline.
6659         (debug_decl_set): Do it here.
6660         (dump_update_ssa): And here.
6661         * tree-ssa-loop-im.c (move_computations): Adjust.
6662         (movement_possibility): Likewise.
6663         (determine_max_movement): Likewise.
6664         (gather_mem_refs_stmt): Likewise.
6665         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
6666         or NAME_MEMORY_TAG.
6667         * tree-complex.c (update_all_vops): Remove.
6668         (expand_complex_move): Adjust.
6669         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
6670         Simplify test for memory referencing statement.  Exclude
6671         non-invariant ADDR_EXPRs.
6672         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
6673         * tree-loop-distribution.c (generate_memset_zero): Adjust.
6674         (rdg_flag_uses): Likewise.
6675         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
6676         related code.
6677         (tree_optimize_tail_calls_1): Also split the
6678         edge from the entry block if we have degenerate PHI nodes in
6679         the first basic block.
6680         * tree.c (init_ttree): Remove memory-tag related code.
6681         (tree_code_size): Likewise.
6682         (tree_node_structure): Likewise.
6683         (build7_stat): Re-write to be build6_stat.
6684         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
6685         (SSA_VAR_P): Adjust.
6686         (struct tree_memory_tag): Remove.
6687         (struct tree_memory_partition_tag): Likewise.
6688         (union tree_node): Adjust.
6689         (build7): Re-write to be build6.
6690         * tree-pass.h (pass_reset_cc_flags): Remove.
6691         (TODO_update_address_taken): New flag.
6692         (pass_simple_dse): Remove.
6693         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
6694         * params.h (MAX_ALIASED_VOPS): Remove.
6695         (AVG_ALIASED_VOPS): Likewise.
6696         * omp-low.c (expand_omp_taskreg): Update SSA form.
6697         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
6698         aliases the lhs in a copy stmt.
6699         * tree-ssa-dse.c (struct address_walk_data): Remove.
6700         (memory_ssa_name_same): Likewise.
6701         (memory_address_same): Likewise.
6702         (get_kill_of_stmt_lhs): Likewise.
6703         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
6704         unused stores.  Look through PHI nodes into post-dominated regions.
6705         (dse_optimize_stmt): Simplify.  Properly remove stores.
6706         (tree_ssa_dse): Compute dominators.
6707         (execute_simple_dse): Remove.
6708         (pass_simple_dse): Likewise.
6709         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
6710         gimple_loaded_syms and gimple_stored_syms computation.
6711         * toplev.c (dump_memory_report): Dump alias and pta stats.
6712         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
6713         (vn_reference_eq): Likewise.
6714         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
6715         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
6716         valueize_vuses): Remove.
6717         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
6718         (get_def_ref_stmt_vuse): ... this.
6719         (vn_reference_lookup_2): New function.
6720         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
6721         walking equivalent vuses.  Simplify.
6722         (vn_reference_lookup): Likewise.
6723         (vn_reference_insert): Likewise.
6724         (vn_reference_insert_pieces): Likewise.
6725         (visit_reference_op_call): Simplify.
6726         (visit_reference_op_load): Likewise.
6727         (visit_reference_op_store): Likewise.
6728         (init_scc_vn): Remove shared_lookup_vuses initialization.
6729         (free_scc_vn): Remove shared_lookup_vuses freeing.
6730         (sort_vuses, sort_vuses_heap): Remove.
6731         (get_ref_from_reference_ops): Export.
6732         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
6733         vector with single vuse pointer.
6734         (vn_reference_lookup_pieces, vn_reference_lookup,
6735         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
6736         (shared_vuses_from_stmt): Remove.
6737         (get_ref_from_reference_ops): Declare.
6738         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
6739         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
6740         memory-tag related code.
6741         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
6742         (likely_value): Add comment, skip static-chain of call statements.
6743         (surely_varying_stmt_p): Adjust.
6744         (gimplify_and_update_call_from_tree): Likewise.
6745         (execute_fold_all_builtins): Do not rebuild alias info.
6746         (gimplify_and_update_call_from_tree): Properly update VOPs.
6747         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
6748         (copy_ref_info): Remove memory-tag related code.
6749         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
6750         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
6751         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
6752         computation.
6753         * tree-ssa-dom.c (gimple_p): Remove typedef.
6754         (eliminate_redundant_computations): Adjust.
6755         (record_equivalences_from_stmt): Likewise.
6756         (avail_expr_hash): Likewise.
6757         (avail_expr_eq): Likewise.
6758         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
6759         (stmt_makes_single_load): Likewise.
6760         (stmt_makes_single_store): Likewise.
6761         * tree-ssa-alias.c: Rewrite completely.
6762         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
6763         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
6764         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
6765         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
6766         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
6767         Remove public functions.
6768         (pass_reset_cc_flags): Remove.
6769         (pass_build_alias): Move ...
6770         * tree-ssa-structalias.c (pass_build_alias): ... here.
6771         * tree-ssa-alias.c (may_be_aliased): Move ...
6772         * tree-flow-inline.h (may_be_aliased): ... here.
6773         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
6774         count_uses_and_derefs): Move ...
6775         * gimple.c: ... here.
6776         * gimple.h (count_uses_and_derefs): Declare.
6777         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
6778         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
6779         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
6780         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
6781         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
6782         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
6783         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
6784         New functions.
6785         * tree-dfa.c (refs_may_alias_p): Move ...
6786         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
6787         * tree-ssa-alias.h: New file.
6788         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
6789         (statement_sink_location): Likewise.
6790         * opts.c (decode_options): Do not adjust max-aliased-vops or
6791         avg-aliased-vops values.
6792         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
6793         (TV_CALL_CLOBBER): Likewise.
6794         (TV_FLOW_SENSITIVE): Likewise.
6795         (TV_FLOW_INSENSITIVE): Likewise.
6796         (TV_MEMORY_PARTITIONING): Likewise.
6797         (TV_ALIAS_STMT_WALK): New timevar.
6798         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
6799         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
6800         (get_address_description): Remove memory-tag related code.
6801         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
6802         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
6803         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
6804         and immediate uses in statements.  Document.
6805         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
6806         (dump_symbols): Remove.
6807         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
6808         * alias.c (get_deref_alias_set): New function split out from ...
6809         (get_alias_set): ... here.
6810         * alias.h (get_deref_alias_set): Declare.
6811         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
6812         type parameter.  Remove restrict pointer handling.  Create a
6813         ref-all pointer in case type-based alias sets do not conflict.
6814         (vect_analyze_data_refs): Remove SMT related code.
6815         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
6816         (vectorizable_load): Likewise.
6817         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
6818         (DR_SYMBOL_TAG, DR_VOPS): Remove.
6819         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
6820         Ignore vops and SMTs.
6821         (dr_analyze_alias): Likewise..
6822         (free_data_ref): Likewise.
6823         (create_data_ref): Likewise.
6824         (analyze_all_data_dependences): Likewise.
6825         (get_references_in_stmt): Adjust.
6826         * tree-flow-inline.h (gimple_aliases_computed_p,
6827         gimple_addressable_vars, gimple_call_clobbered_vars,
6828         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
6829         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
6830         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
6831         gimple_mem_ref_stats): Remove.
6832         (gimple_vop): New function.
6833         (op_iter_next_use): Remove vuses and mayuses cases.
6834         (op_iter_next_def): Remove vdefs case.
6835         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
6836         (clear_and_done_ssa_iter): Do not set removed fields.
6837         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
6838         Assert we are not iterating over vuses or vdefs if not also
6839         iterating over uses or defs.
6840         (op_iter_init_use): Likewise.
6841         (op_iter_init_def): Likewise.
6842         (op_iter_next_vdef): Remove.
6843         (op_iter_next_mustdef): Likewise.
6844         (op_iter_init_vdef): Likewise.
6845         (compare_ssa_operands_equal): Likewise.
6846         (link_use_stmts_after): Handle vuse operand.
6847         (is_call_used): Use is_call_clobbered.
6848         (is_call_clobbered): Global variables are always call clobbered,
6849         query the call-clobbers bitmap.
6850         (mark_call_clobbered): Ignore global variables.
6851         (clear_call_clobbered): Likewise.
6852         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
6853         virtual operands sanity check.
6854         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
6855         Remove.
6856         (TARGET_MEM_REF): Remove TMR_TAG operand.
6857         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
6858         Remove call-clobber related code.
6859         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
6860         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
6861         partitions or escape reason.
6862         (get_single_def_stmt, get_single_def_stmt_from_phi,
6863         get_single_def_stmt_with_phi): Remove.
6864         (dump_referenced_vars): Tidy.
6865         (get_ref_base_and_extent): Allow bare decls.
6866         (collect_dfa_stats): Adjust.
6867         * graphite.c (rename_variables_in_stmt): Adjust.
6868         (graphite_copy_stmts_from_block): Likewise.
6869         (translate_clast): Likewise.
6870         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
6871         (EXPR_DIES): New.
6872         (translate_vuse_through_block): Use the oracle.
6873         (phi_translate_1): Adjust.
6874         (value_dies_in_block_x): Use the oracle.  Cache the outcome
6875         in EXPR_DIES.
6876         (valid_in_sets): Check if the VUSE for
6877         a REFERENCE is available.
6878         (eliminate): Do not remove stmts during elimination,
6879         instead queue and remove them afterwards.
6880         (do_pre): Do not rebuild alias info.
6881         (pass_pre): Run TODO_rebuild_alias before PRE.
6882         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
6883         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
6884         (mark_all_v_defs_stmt): Remove.
6885         (mark_all_v_defs_seq): Adjust.
6886         (sra_replace): Likewise.
6887         (scalarize_use): Likewise.
6888         (scalarize_copy): Likewise.
6889         (scalarize_init): Likewise.
6890         (scalarize_ldst): Likewise.
6891         (todoflags): Remove.
6892         (tree_sra): Do not rebuild alias info.
6893         (tree_sra_early): Adjust.
6894         (pass_sra): Run TODO_update_address_taken before SRA.
6895         * tree-predcom.c (set_alias_info): Remove.
6896         (prepare_initializers_chain): Do not call it.
6897         (mark_virtual_ops_for_renaming): Adjust.
6898         (mark_virtual_ops_for_renaming_list): Remove.
6899         (initialize_root_vars): Adjust.
6900         (initialize_root_vars_lm): Likewise.
6901         (prepare_initializers_chain): Likewise.
6902         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
6903         (may_propagate_copy_into_stmt): Likewise.
6904         (merge_alias_info): Do nothing for now.
6905         (propagate_tree_value_into_stmt): Adjust.
6906         (stmt_may_generate_copy): Likewise.
6907         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
6908         not mark symbols for renaming.
6909         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
6910         with the same statement, make sure to update the new pointed-to one.
6911         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
6912         call statements, do not mark symbols for renaming.
6913         (mark_operand_necessary): Dump something.
6914         (ref_may_be_aliased): New function.
6915         (mark_aliased_reaching_defs_necessary_1): New helper function.
6916         (mark_aliased_reaching_defs_necessary): Likewise.
6917         (mark_all_reaching_defs_necessary_1): Likewise.
6918         (mark_all_reaching_defs_necessary): Likewise.
6919         (propagate_necessity): Do not process virtual PHIs.  For
6920         non-aliased loads mark all reaching definitions as necessary.
6921         For aliased loads and stores mark the immediate dominating
6922         aliased clobbers as necessary.
6923         (visited): New global static.
6924         (perform_tree_ssa_dce): Free visited bitmap after propagating
6925         necessity.
6926         (remove_dead_phis): Perform simple dead virtual PHI removal.
6927         (remove_dead_stmt): Properly unlink virtual operands when
6928         removing stores.
6929         (eliminate_unnecessary_stmts): Schedule PHI removal after
6930         stmt removal.
6931         * tree-ssa-ter.c (is_replaceable_p): Adjust.
6932         (process_replaceable): Likewise.
6933         (find_replaceable_in_bb): Likewise.
6934         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
6935         based on the single gimple vop.
6936         (verify_flow_insensitive_alias_info): Remove.
6937         (verify_flow_sensitive_alias_info): Likewise.
6938         (verify_call_clobbering): Likewise.
6939         (verify_memory_partitions): Likewise.
6940         (verify_alias_info): Likewise.
6941         (verify_ssa): Adjust..
6942         (execute_update_addresses_taken): Export.  Update SSA
6943         manually.  Optimize only when optimizing.  Use a local bitmap.
6944         (pass_update_address_taken): Remove TODO_update_ssa, add
6945         TODO_dump_func.
6946         (pass_update_address_taken): Just use TODO_update_address_taken.
6947         (init_tree_ssa): Do not initialize addressable_vars.
6948         (verify_ssa): Verify new VUSE / VDEF properties.
6949         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
6950         Do not call verify_alias_info.
6951         (delete_tree_ssa): Clear the VUSE, VDEF operands.
6952         Do not free the loaded and stored syms bitmaps.  Reset the escaped
6953         and callused solutions.  Do not free addressable_vars.
6954         Remove memory-tag related code.
6955         (warn_uninitialized_var): Aliases are always available.
6956         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
6957         * lambda-code.c (can_put_in_inner_loop): Adjust.
6958         (can_put_after_inner_loop): Likewise.
6959         (perfect_nestify): Likewise.
6960         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
6961         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
6962         (vectorizable_conversion): Do not mark symbols for renaming.
6963         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
6964         (expand_call_inline): Unlink the calls virtual operands before
6965         replacing it.
6966         (tree_function_versioning): Do not call update_ssa if we are not
6967         updating clones.  Simplify.
6968         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
6969         (propagate_with_phi): Likewise..
6970         * tree-outof-ssa.c (create_temp): Remove memory tag and call
6971         clobber code.  Assert we are not aliased or global.
6972         * tree-flow.h: Include tree-ssa-alias.h
6973         (enum escape_type): Remove.
6974         (struct mem_sym_stats_d): Likewise.
6975         (struct mem_ref_stats_d): Likewise.
6976         (struct gimple_df): Add vop member.  Remove global_var,
6977         call_clobbered_vars, call_used_vars, addressable_vars,
6978         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
6979         escaped and callused members.
6980         (struct ptr_info_def): Remove all members, add points-to solution
6981         member pt.
6982         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
6983         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
6984         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
6985         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
6986         (tree-ssa-alias.o): Likewise.
6987         (toplev.o): Add tree-ssa-alias.h
6988         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
6989         * gimple.c (gimple_set_bb): Fix off-by-one error.
6990         (is_gimple_reg): Do not handle memory tags.
6991         (gimple_copy): Also copy virtual operands.
6992         Delay updating the statement.  Do not reset loaded and stored syms.
6993         (gimple_set_stored_syms): Remove.
6994         (gimple_set_loaded_syms): Likewise.
6995         (gimple_call_copy_skip_args): Copy the virtual operands
6996         and mark the new statement modified.
6997         * tree-ssa-structalias.c (may_alias_p): Remove.
6998         (set_uids_in_ptset): Take the alias set to prune with as
6999         parameter.  Fold in the alias test of may_alias_p.
7000         (compute_points_to_sets): Compute whether a ptr is dereferenced
7001         in a local sbitmap.
7002         (process_constraint): Deal with &ANYTHING on the lhs, reject all
7003         other ADDRESSOF constraints on the lhs.
7004         (get_constraint_for_component_ref): Assert that we don't get
7005         ADDRESSOF constraints from the base of the reference.
7006         Properly generate UNKNOWN_OFFSET for DEREF if needed.
7007         (struct variable_info): Remove collapsed_to member.
7008         (get_varinfo_fc): Remove.
7009         (new_var_info): Do not set collapsed_to.
7010         (dump_constraint): Do not follow cycles.
7011         (dump_constraint_graph): Likewise.
7012         (build_pred_graph): Likewise.
7013         (build_succ_graph): Likewise.
7014         (rewrite_constraints): Likewise.
7015         (do_simple_structure_copy): Remove.
7016         (do_rhs_deref_structure_copy): Remove.
7017         (do_lhs_deref_structure_copy): Remove.
7018         (collapse_rest_of_var): Remove.
7019         (do_structure_copy): Re-implement.
7020         (pta_stats): New global variable.
7021         (dump_pta_stats): New function.
7022         (struct constraint_expr): Make offset signed.
7023         (UNKNOWN_OFFSET): Define special value.
7024         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
7025         (solution_set_expand): New helper function split out from ...
7026         (do_sd_constraint): ... here.
7027         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
7028         (do_ds_constraint): Likewise.
7029         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
7030         and CALLUSED = *CALLUSED.
7031         (set_union_with_increment): Make inc argument signed.
7032         (type_safe): Remove.
7033         (get_constraint_for_ptr_offset): Handle unknown and negative
7034         constant offsets.
7035         (first_vi_for_offset): Handle offsets before start.  Bail
7036         out early for offsets beyond the variable extent.
7037         (first_or_preceding_vi_for_offset): New function.
7038         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
7039         Together with ESCAPED = *ESCAPED this properly computes reachability.
7040         (find_what_var_points_to): New function.
7041         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
7042         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
7043         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
7044         pt_solutions_intersect): New functions.
7045         (compute_call_used_vars): Remove.
7046         (compute_may_aliases): New main entry into PTA computation.
7047         * gimple.h (gimple_p): New typedef.
7048         (struct gimple_statement_base): Remove references_memory_p.
7049         (struct gimple_statement_with_memory_ops_base): Remove
7050         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
7051         members.
7052         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
7053         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
7054         gimple_set_references_memory): Remove.
7055         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
7056         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
7057         New functions.
7058         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
7059         (verify_expr): Allow RESULT_DECL.
7060         (gimple_duplicate_bb): Do not copy virtual operands.
7061         (gimple_duplicate_sese_region): Adjust.
7062         (gimple_duplicate_sese_tail): Likewise.
7063         (mark_virtual_ops_in_region): Remove.
7064         (move_sese_region_to_fn): Do not call it.
7065         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
7066         and pass_simple_dse.
7067         (execute_function_todo): Handle TODO_update_address_taken,
7068         call execute_update_addresses_taken for TODO_rebuild_alias.
7069         (execute_todo): Adjust.
7070         (execute_one_pass): Init dump files early.
7071         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
7072         call-clobbered.
7073         (create_general_new_stmt): Clear vops.
7074         * tree-ssa-reassoc.c (get_rank): Adjust.
7075         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
7076         symbols for renaming.
7077         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
7078         (PARAM_AVG_ALIASED_VOPS): Likewise.
7079         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
7080         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
7081         * tree-ssa-operands.c: Simplify for new virtual operand representation.
7082         (operand_build_cmp, copy_virtual_operands,
7083         create_ssa_artificial_load_stmt, add_to_addressable_set,
7084         gimple_add_to_addresses_taken): Remove public functions.
7085         (unlink_stmt_vdef): New function.
7086
7087 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
7088
7089         * config.gcc (powerpc-*-linux*): Merge variants.
7090
7091 2009-04-02  Chao-ying Fu  <fu@mips.com>
7092             James Grosbach  <james.grosbach@microchip.com>
7093
7094         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
7095         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
7096         cop0_sp_offset.
7097         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
7098         keep_interrupts_masked_p, use_debug_exception_return_p.
7099         (mips_attribute_table): Add interrupt, use_shadow_register_set,
7100         keep_interrupts_masked, use_debug_exception_return.
7101         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
7102         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
7103         New functions.
7104         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
7105         (mips_print_operand): Process COP0 registers to print $0 .. $31
7106         correctly for GAS to process.
7107         (mips_interrupt_extra_call_saved_reg_p): New function.
7108         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
7109         extra registers.
7110         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
7111         (mips_compute_frame_info): Add supports for interrupt context that
7112         includes doubleword accumulators and COP0 registers.
7113         (mips_for_each_saved_acc): New function.
7114         (mips_for_each_saved_gpr_and_fpr): Change the function name from
7115         mips_for_each_saved_reg.
7116         (mips_save_reg): Save accumulators.
7117         (mips_kernel_reg_p): A new for_each_rtx callback.
7118         (mips_expand_prologue): Support interrupt handlers.
7119         (mips_restore_reg): Restore accumulators.
7120         (mips_expand_epilogue): Support interrupt handlers.
7121         (mips_can_use_return_insn): Return false for interrupt handlers.
7122         (mips_epilogue_uses): New function.
7123         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
7124         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
7125         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
7126         cop0_move): New instructions.
7127         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
7128         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
7129         defines.
7130         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
7131         New defines.
7132         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
7133         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
7134         interrupt handlers, we use K0 as the temporary register.
7135         (EPILOGUE_USES): Change to a function call.
7136         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
7137         handlers, we use K0 as the temporary register.
7138
7139         * doc/extend.texi (Function Attributes): Document interrupt,
7140         use_shadow_register_set, keep_interrupts_masked,
7141         use_debug_exception_return for MIPS attributes.
7142
7143 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
7144
7145         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
7146         Remove a number of t-files from tmake_file.
7147         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
7148         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
7149         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
7150         target_prototype, not TARGET_PROTOTYPE.
7151         (LINK_OS_GNU_SPEC): Define.
7152         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
7153         and darwin-ldoubdle.c.
7154
7155 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
7156
7157         PR driver/39293
7158         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
7159         (cpp_options): Ditto.
7160         (default_compilers): Ditto.
7161         (display_help): Ditto.
7162         (process_command): Ditto.
7163         (do_spec_1): Ditto.
7164         (set_input): Use lbasename instead of duplicate code.
7165         (save_temps_prefix): New static for -save-temps=obj.
7166         (save_temps_length): Ditto.
7167
7168         * doc/invoke.texi (-save-temps=obj): Document new variant to
7169         -save-temps switch.
7170
7171 2009-04-02  Jeff Law  <law@redhat.com>
7172
7173         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
7174         variable.
7175
7176 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7177
7178         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
7179         * configure: Regenerated.
7180
7181 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7182
7183         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
7184         share the argument list.
7185
7186 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7187
7188         Merge
7189
7190         2009-02-12  Diego Novillo  <dnovillo@google.com>
7191
7192         * varpool.c (debug_varpool): New.
7193         * cgraph.h (debug_varpool): Declare.
7194
7195 2009-04-02  Jan Hubicka  <jh@suse.cz>
7196
7197         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
7198         pass.
7199
7200 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7201
7202         * config/i386/i386.c (ix86_abi): Move initialization to ...
7203         (override_options): Here.
7204
7205 2009-04-02  Christian Bruel  <christian.bruel@st.com>
7206
7207         * config/sh/sh.c (sh_dwarf_register_span): New function.
7208         (TARGET_DWARF_REGISTER_SPAN): Define.
7209         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
7210
7211 2009-04-02  Ira Rosen  <irar@il.ibm.com>
7212
7213         PR tree-optimization/39595
7214         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
7215         interleaved loads group is not  greater than the SLP group size.
7216
7217 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7218
7219         * builtins.c (is_builtin_name): New.
7220         (called_as_built_in): Use is_builtin_name.
7221         * tree.h (is_builtin_name): New.
7222         * varasm.c (incorporeal_function_p): Use is_builtin_name
7223
7224 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
7225
7226         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
7227
7228 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
7229
7230         PR c++/26693
7231         * c-decl.c (clone_underlying_type): Move this ...
7232         * c-common.c (set_underlying_type): ... here.
7233         Also, make sure the function properly sets TYPE_STUB_DECL() on
7234         the newly created typedef variant type.
7235         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
7236         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
7237         points.
7238
7239 2009-04-02  Richard Guenther  <rguenther@suse.de>
7240
7241         PR tree-optimization/37221
7242         * tree-flow.h (degenerate_phi_result): Declare.
7243         * tree-ssa-dom.c (degenerate_phi_result): Export.
7244         * tree-scalar-evolution.c (analyze_initial_condition): If
7245         the initial condition is defined by a degenerate PHI node
7246         use the degenerate value.
7247
7248 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
7249
7250         PR rtl-optimization/39588
7251         * combine.c (merge_outer_ops): Do not set the constant when this
7252         is not necessary.
7253         (simplify_shift_const_1): Do not modify it either in this case.
7254
7255 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
7256
7257         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
7258         tuning is deprecated if -mtune value is set to an Itanium1 variant.
7259
7260 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
7261
7262         PR c/29027
7263         * c-lex.c (interpret_float): Default (no suffix) is double.
7264
7265 2009-04-1  Xinliang David Li  <davidxl@google.com>
7266
7267         * config/i386/i386.c (legitimate_constant_p): Recognize
7268         all one vector constant.
7269
7270 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7271
7272         * config/vax/vax.c: Add #includes to silence warnings.
7273         Change #include order to silence two warnings.
7274
7275 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7276
7277         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
7278         (ASM_SPEC): Pass -k to the assembler for PIC code.
7279
7280 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7281
7282         * config.gcc: Add vax-*-linux* to the switch.
7283         * config/vax/linux.h: New file. (TARGET_VERSION,
7284         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
7285
7286 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7287
7288         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
7289         Use predicate macros instead of GET_CODE() == foo.
7290         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
7291         ashlsi3, rotrsi3, <unnamed>): Likewise.
7292
7293 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7294
7295         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
7296         jbbccihi, jbbccisi): Remova trailing whitespace.
7297         * config/vax/constraints.md: Likewise.
7298         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
7299         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
7300         * config/vax/predicates.md: Likewise.
7301         * config/vax/vax.c (print_operand_address, vax_output_int_move,
7302         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
7303         * config/vax/vax.h: Likewise.
7304         * config/vax/vax.md (nonlocal_goto): Likewise.
7305
7306 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7307
7308         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
7309         (indirectable_address_p, adjacent_operands_p): Add spaces around
7310         braces.
7311         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
7312
7313 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7314
7315         * config/vax/vax.c (legitimate_constant_address_p,
7316         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
7317         index_term_p, reg_plus_index_p, legitimate_address_p,
7318         vax_mode_dependent_address_p): Update comments to match functions
7319         modified by the recent int->bool conversion.
7320
7321 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7322
7323         * config/vax/builtins.md: Update copyright message.
7324         * config/vax/constraints.md: Likewise.
7325         * config/vax/netbsd-elf.h: Likewise.
7326         * config/vax/predicates.md: Likewise.
7327         * config/vax/vax-protos.h: Likewise.
7328         * config/vax/vax.c: Likewise.
7329         * config/vax/vax.h: Likewise.
7330         * config/vax/vax.md: Likewise.
7331         * config/vax/vax.opt: Likewise.
7332
7333 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7334
7335         * config/vax/builtins.md (ffssi2, ffssi2_internal,
7336         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
7337         * config/vax/constraints.md (B, R): Likewise.
7338         * config/vax/predicates.md (external_memory_operand,
7339         nonimmediate_addsub_di_operand): Likewise.
7340         * config/vax/vax.c (vax_output_int_add): Likewise.
7341         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
7342         untyped_call): Likewise.
7343
7344 2009-04-01  Matt Thomas  <matt@3am-software.com>
7345
7346         * config/vax/predicates.md: New file.
7347         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
7348         external_const_operand, nonsymbolic_operand, external_memory_operand,
7349         indirect_memory_operand, indexed_memory_operand,
7350         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
7351         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
7352         predicate.
7353         * config/vax/constraints.md: New file.
7354         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
7355         New constraint.
7356         * config/vax/builtins.md: New file.
7357         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
7358         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
7359         jbbccisi): Define.
7360         * config/vax/vax.opt (mqmath): Add option.
7361         * config/vax/vax.md (isfx): Extend with DI.
7362         (VAXintQH, VAXintQHSD): Define.
7363         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
7364         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
7365         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
7366         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
7367         (movdi): Update constraints and use vax_output_int_move().
7368         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
7369         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
7370         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
7371         nonlocal_goto): New.
7372         (mov<mode>): Extend accepted operand types.
7373         (subdi3_old): Rename from subdi3, change update constraints and use
7374         a new implementation.
7375         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
7376         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
7377         MOVE_RATIO, CLEAR_RATIO): Define.
7378         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
7379         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7380         (PRINT_OPERAND): Redefine using a function instead of inlined code.
7381         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
7382         (split_quadword_operands): Make static and really allow variable
7383         splitting.
7384         (print_operand_address): Update for PIC generation.
7385         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
7386         indexable_address_p, fixup_mathdi_operand,
7387         vax_expand_addsub_di_operands, adjacent_operands_p): New.
7388         (vax_float_literal, legitimate_constant_p,
7389         indirectable_constant_address_p, index_term_p,
7390         reg_plus_index_p): Return bool instead of int.
7391         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
7392         where needed.
7393         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
7394         generation.
7395         (vax_output_conditional_branch): Indent.
7396         (legitimate_constant_address_p, indirectable_constant_address_p,
7397         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
7398         vax_mode_dependent_address_p): Return bool instead of int, update for
7399         PIC generation.
7400         * config/vax/vax-protos.h (legitimate_constant_address_p,
7401         legitimate_constant_p, legitimate_address_p,
7402         vax_mode_dependent_address_p): Change declaration to bool.
7403         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
7404         vax_expand_addsub_di_operands, vax_output_int_subtract,
7405         vax_output_movmemsi): Declare.
7406         (split_quadword_operands, vax_float_literal): Delete declaration.
7407         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
7408         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
7409         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
7410         ASM_OUTPUT_DWARF_PCREL): Define.
7411         (ASM_SPEC): Change definition to allow PIC generation.
7412
7413 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
7414
7415         * doc/sourcebuild.texi: Update front-end requirements.
7416
7417 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7418
7419         PR target/39226
7420         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
7421         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
7422         (booldi3_internal3): Use boolean_or_operator instead of
7423         boolean_operator.
7424
7425 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
7426
7427         PR c/39605
7428         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
7429         declarator whose size is not an integer constant expression but
7430         folds to an integer constant, then treat it as a constant
7431         subsequently.
7432
7433 2009-04-01  Richard Guenther  <rguenther@suse.de>
7434
7435         * fold-const.c (fold_plusminus_mult_expr): Do not fold
7436         i * 4 + 2 to (i * 2 + 1) * 2.
7437
7438 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7439
7440         PR c/37772
7441         * c-parser.c (c_parser_asm_statement): Skip until close paren and
7442         return if c_parser_asm_string_literal returned NULL.
7443
7444 2009-04-01  Nick Clifton  <nickc@redhat.com>
7445
7446         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
7447         already defined.
7448         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
7449         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
7450         other typedefs to avoid conflicts with libgcc2.c.  Define labels
7451         to gain 16-bit bit-manipulation functions from libgcc2.c and then
7452         include it.
7453         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
7454         to gain 16-bit trapping arithmetic functions from libgcc2.c and
7455         then include it.
7456
7457 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
7458
7459         * varasm.c (default_function_rodata_section): Declare DOT as
7460         const char*.
7461
7462 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
7463             Andrey Galkin  <agalkin@hypercom.com>
7464
7465         PR/39492
7466         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
7467         Make object_name unique for each process.
7468
7469 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7470
7471         PR other/39591
7472         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
7473         addressable variables in the parallel that could go out of scope while
7474         running queued tasks.
7475
7476 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
7477
7478         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
7479         (CASE_VALUES_THRESHOLD): Redefine.
7480         * config/avr/avr.c (avr_override_options): Remove initialization of
7481         avr_case_values_threshold variable.
7482         (avr_case_values_threshold): Remove variable. Add new function.
7483         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
7484         * config/avr/avr.opt (mno-tablejump): Remove option.
7485         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
7486
7487 2009-04-01  DJ Delorie  <dj@redhat.com>
7488
7489         * varasm.c (default_function_rodata_section): Don't assume
7490         anything about where the first '.' in the section name is.
7491
7492 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
7493
7494         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
7495         rs6000_emit_stack_tie.
7496
7497 2009-03-31  Ian Lance Taylor  <iant@google.com>
7498
7499         * tree-eh.c (tree_remove_unreachable_handlers): Compare
7500         gimple_code with GIMPLE_RESX, not RESX.
7501
7502 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7503
7504         * c-common.c (c_get_ident): New.
7505         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
7506
7507 2009-04-01  Ben Elliston  <bje@au.ibm.com>
7508
7509         * config/rs6000/sysv4.opt (msdata): Improve option description.
7510
7511 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
7512
7513         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
7514         (divdf3_internal_lat): Remove.
7515         (divxf3_internal_lat): Remove.
7516         (divxf3_internal_thr): Remove.
7517         (divxf): Use divxf3_internal.
7518         * config/ia64/div.md (divsf3_internal_lat): New.
7519         (divdf3_internal_lat): New.
7520         (divxf3_internal): New.
7521
7522 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7523
7524         PR c/448
7525         * Makefile.in (USE_GCC_STDINT): Define.
7526         (stmp-int-hdrs): Install stdint.h if applicable.
7527         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
7528         if known.
7529         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
7530         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
7531         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7532         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7533         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7534         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7535         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7536         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7537         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7538         (c_common_nodes_and_builtins): Initialize
7539         underlying_wchar_type_node.  Do not initialize
7540         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
7541         nodes for new types.
7542         (c_stddef_cpp_builtins): Define macros for new types.
7543         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
7544         Remove.
7545         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
7546         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
7547         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
7548         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
7549         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
7550         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
7551         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
7552         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
7553         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
7554         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
7555         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
7556         int16_type_node, int32_type_node, int64_type_node,
7557         uint8_type_node, uint16_type_node, c_uint32_type_node,
7558         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
7559         int_least32_type_node, int_least64_type_node,
7560         uint_least8_type_node, uint_least16_type_node,
7561         uint_least32_type_node, uint_least64_type_node,
7562         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
7563         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
7564         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
7565         uintptr_type_node): Define.
7566         * c-cppbuiltin.c (builtin_define_constants,
7567         builtin_define_type_minmax): New.
7568         (builtin_define_stdint_macros): Define more macros.
7569         (c_cpp_builtins): Define more limit macros.
7570         (type_suffix): New.
7571         (builtin_define_type_max): Define in terms of
7572         builtin_define_type_minmax.  Remove is_long parameter.  All
7573         callers changed.
7574         * config.gcc (use_gcc_stdint): Define.
7575         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
7576         Add newlib-stdint.h for generic targets.
7577         * config/glibc-stdint.h, config/newlib-stdint.h,
7578         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
7579         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
7580         * config/score/score.h (UINTPTR_TYPE): Define.
7581         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
7582         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
7583         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7584         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7585         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7586         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7587         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7588         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7589         * config/spu/spu.h (STDINT_LONG32): Define.
7590         * configure.ac (use_gcc_stdint): Substitute.
7591         * configure: Regenerate.
7592         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
7593         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
7594         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
7595         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
7596         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
7597         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
7598         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
7599         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
7600         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
7601         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
7602         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
7603         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
7604         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
7605         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
7606         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
7607         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
7608         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
7609         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
7610         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
7611         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
7612         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
7613         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
7614         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7615         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7616         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7617         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7618         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7619         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7620         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
7621
7622 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
7623
7624         * loop-iv.c (suitable_set_for_replacement): Renamed from
7625         simplify_using_assignment; changed to return bool and to accept new
7626         args DEST and SRC.  Return true iff we find a source/destination pair
7627         that can be used to make a replacement, and fill SRC and DEST if so.
7628         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
7629         changed.
7630         (simplify_using_initial_values): Deal with altered regs here and track
7631         more precisely the effect they have on the validity of our expression.
7632
7633         * loop-iv.c (simplify_using_condition): A condition of the form
7634         (EQ REG CONST) can be used to simply make a substitution.
7635         (simplify_using_initial_values): Keep track of conditions we have seen
7636         and keep using them to simplify new expressions, while applying the
7637         same substitutions to them as to the expression.
7638
7639         * simplify-rtx.c (simplify_relational_operation_1): Simplify
7640         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
7641         GEU/LTU reversed.
7642
7643         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
7644         changed.  Use this when trying to improve the upper bound.
7645         Generate the comparison by using simplify_gen_relational.
7646
7647         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
7648
7649         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
7650         functions.
7651         (simplify_using_assignment, simplify_using_initial_values): Call
7652         replace_in_expr to make replacements.  Call replace_single_def_regs
7653         once on the initial version of the expression.
7654
7655 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7656
7657         PR target/27237
7658         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
7659
7660 2009-03-31  Richard Guenther  <rguenther@suse.de>
7661
7662         PR middle-end/31029
7663         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
7664         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
7665
7666 2009-03-31  Richard Guenther  <rguenther@suse.de>
7667
7668         * tree.h (div_if_zero_remainder): Declare.
7669         * fold-const.c (div_if_zero_remainder): Export.
7670         * tree-ssa-forwprop.c
7671         (forward_propagate_addr_into_variable_array_index): Handle
7672         constant array index addition outside of the variable index.
7673
7674 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7675
7676         PR target/39592
7677         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
7678         define_splits, floatunssi<mode>2): Require x87 conversions from
7679         DImode to be permitted.
7680
7681 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7682
7683         PR preprocessor/15638
7684         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
7685
7686 2009-03-31  Richard Guenther  <rguenther@suse.de>
7687
7688         PR middle-end/23401
7689         PR middle-end/27810
7690         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
7691         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
7692         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
7693         a separate statement.
7694         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
7695         (lookup_tmp_var): Likewise.
7696         (is_gimple_formal_tmp_or_call_rhs): Remove.
7697         (is_gimple_reg_or_call_rhs): Rename to ...
7698         (is_gimple_reg_rhs_or_call): ... this.
7699         (is_gimple_mem_or_call_rhs): Rename to ...
7700         (is_gimple_mem_rhs_or_call): ... this.
7701         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
7702         DECL_GIMPLE_REG_P only if is_formal is true.
7703         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
7704         for non-proper post-modify expression gimplification.
7705         (gimplify_self_mod_expr): For post-modify expressions gimplify
7706         the lvalue to a minimal lvalue.
7707         (rhs_predicate_for): Remove formal temp case.
7708         (gimplify_modify_expr_rhs): Likewise.
7709         (gimplify_addr_expr): Use is_gimple_reg.
7710         (gimplify_expr): Remove formal temp cases.
7711         (gimple_regimplify_operands): Likewise.
7712         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
7713         and FILTER_EXPR like constants.
7714         * gimple.c (walk_gimple_op): Fix val_only initialization, use
7715         is_gimple_reg.
7716         (is_gimple_formal_tmp_rhs): Remove.
7717         (is_gimple_reg_rhs): Remove special casing.
7718         (is_gimple_mem_rhs): Fix.
7719         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
7720         (is_gimple_formal_tmp_var): Remove.
7721         (is_gimple_formal_tmp_reg): Likewise.
7722         (is_gimple_min_lval): Allow invariant component ref parts.
7723         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
7724         is_gimple_formal_tmp_reg): Remove declarations.
7725         * tree-cfg.c (verify_expr): Verify that variables with address
7726         taken do not have DECL_GIMPLE_REG_P set.
7727         * tree-mudflap.c (mf_build_check_statement_for): Use
7728         force_gimple_operand instead of gimplify_expr.
7729
7730 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
7731
7732         * modulo-sched.c (sms_schedule_by_order): Pass the actual
7733         schedulable rows to compute_split_row.
7734
7735 2009-03-31  Ben Elliston  <bje@au.ibm.com>
7736
7737         PR target/31635
7738         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
7739         OPT_mvrsave.
7740
7741 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7742
7743         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
7744         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
7745         * configure: Regenerate.
7746         * config.in: Regenerate.
7747         * config/rs6000/rs6000.opt (mtls-markers): Add.
7748         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
7749         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
7750         (tls_ld_aix, tls_ld_sysv): Likewise.
7751         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
7752         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
7753
7754 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7755
7756         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
7757
7758 2009-03-30  Jan Hubicka  <jh@suse.cz>
7759
7760         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
7761         out of RESX.
7762         (tree_remove_unreachable_handlers): Cleanup EH predecestor
7763         detection and label handling.
7764
7765 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7766
7767         * ira-int.h (ira_allocno): Rename left_conflicts_num to
7768         left_conflicts_size.
7769         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
7770         ALLOCNO_LEFT_CONFLICTS_SIZE.
7771
7772         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
7773         remove_allocno_from_bucket_and_push,
7774         allocno_spill_priority_compare, push_allocnos_to_stack,
7775         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7776         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
7777         (setup_allocno_left_conflicts_num): Ditto.  Rename to
7778         setup_allocno_left_conflicts_size.
7779         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7780         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
7781         setup_allocno_left_conflicts_size instead of
7782         setup_allocno_left_conflicts_num.
7783
7784         * ira-build.c (ira_create_allocno): Use
7785         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
7786         ALLOCNO_LEFT_CONFLICTS_NUM.
7787
7788 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7789
7790         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7791         instead of DF_LR_OUT.
7792
7793         * ira-lives.c (process_bb_node_lives): Ditto.
7794
7795         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7796         instead of DF_LR_{OUT,IN}.
7797
7798         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7799
7800         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7801
7802 2009-03-30  Jan Hubicka  <jh@suse.cz>
7803
7804         * except.c (label_to_region_map): Fix thinko.
7805
7806 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
7807
7808         PR middle-end/38237
7809         * tree.h (tree_find_value): New declaration.
7810         * tree.c (tree_find_value): New function.
7811         * varasm.c (assemble_external): Avoid duplicate entries on lists.
7812
7813 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
7814
7815         PR debug/39563
7816         * c-decl.c (struct c_binding): Add locus field.
7817         (bind): Add locus argument, set locus field from it.
7818         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
7819         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
7820         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
7821         implicitly_declare, undeclared_variable, lookup_label,
7822         declare_label, c_make_fname_decl, c_builtin_function,
7823         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
7824         bind callers.
7825
7826 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7827
7828         PR target/38781
7829         * config/i386/i386.c (classify_argument): Check total size of
7830         structure.
7831
7832 2009-03-30  Martin Jambor  <mjambor@suse.cz>
7833
7834         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
7835         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
7836         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
7837         respectively.
7838
7839         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
7840         seen_variable_array_ref while also traversing a union.
7841
7842         * tree-inline.c (optimize_inline_calls): Do not call
7843         cgraph_node_remove_callees.
7844         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
7845         (pass_remove_cgraph_callee_edges): New variable.
7846         * passes.c (init_optimization_passes): Add
7847         pass_remove_cgraph_callee_edges after early inlining and before all
7848         late intraprocedural passes.
7849
7850         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
7851
7852 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7853
7854         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
7855         Fix typos in names.
7856
7857 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7858
7859         * combine.c (simplify_comparison): Use have_insn_for.
7860         * dojump.c (do_jump): Likewise.
7861
7862 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7863
7864         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
7865         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
7866         sparc_compare_op0 like sparc_compare_emitted used to be handled.
7867         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
7868         instead of sparc_compare_emitted.
7869         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
7870         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
7871         instead of sparc_compare_emitted.
7872
7873 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7874
7875         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
7876         enter/exit cfglayout mode.
7877         (pass_partition_block): Require it.
7878         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
7879         (combine_instructions): Track basic blocks instead of labels.
7880         (update_cfg_for_uncondjump): New.
7881         (try_combine): Use it.  Update jumps after rescanning.
7882         (pass_combine): Require PROP_cfglayout.
7883         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
7884
7885 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7886
7887         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
7888         Provide/destroy PROP_cfglayout respectively.
7889         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
7890         * tree-pass.h (PROP_cfglayout): New.
7891
7892 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7893
7894         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
7895         fold_convert_const_fixed_from_fixed,
7896         fold_convert_const_fixed_from_int,
7897         fold_convert_const_fixed_from_real, fold_negate_const): Do not
7898         set TREE_CONSTANT_OVERFLOW.
7899         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
7900         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
7901
7902 2009-03-30  Ira Rosen  <irar@il.ibm.com>
7903
7904         * tree-vect-loop-manip.c: New file.
7905         * tree-vectorizer.c: Update documentation and included files.
7906         (vect_loop_location): Make extern.
7907         (rename_use_op): Move to tree-vect-loop-manip.c
7908         (rename_variables_in_bb, rename_variables_in_loop,
7909         slpeel_update_phis_for_duplicate_loop,
7910         slpeel_update_phi_nodes_for_guard1,
7911         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
7912         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
7913         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
7914         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
7915         find_loop_location): Likewise.
7916         (new_stmt_vec_info): Move to tree-vect-stmts.c.
7917         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
7918         get_vectype_for_scalar_type, vect_is_simple_use,
7919         supportable_widening_operation, supportable_narrowing_operation):
7920         Likewise.
7921         (bb_in_loop_p): Move to tree-vect-loop.c.
7922         (new_loop_vec_info, destroy_loop_vec_info,
7923         reduction_code_for_scalar_code, report_vect_op,
7924         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
7925         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
7926         (vect_supportable_dr_alignment): Likewise.
7927         * tree-vectorizer.h (tree-data-ref.h): Include.
7928         (vect_loop_location): Declare.
7929         Reorganize function declarations according to the new file structure.
7930         * tree-vect-loop.c: New file.
7931         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
7932         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
7933         * tree-vect-data-refs.c: New file.
7934         * tree-vect-patterns.c (timevar.h): Don't include.
7935         * tree-vect-stmts.c: New file.
7936         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
7937         tree-vect-slp.c, tree-vect-loop.c.
7938         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
7939         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
7940         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
7941         (tree-vect-analyze.o): Remove.
7942         (tree-vect-transform.o): Likewise.
7943         (tree-vect-data-refs.o): Add rule.
7944         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
7945         tree-vect-slp.o): Likewise.
7946         (tree-vect-patterns.o): Remove redundant dependencies.
7947         (tree-vectorizer.o): Likewise.
7948         * tree-vect-slp.c: New file.
7949
7950 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7951
7952         * optc-gen.awk: Warn if an option flag has multiple different
7953         help strings.
7954
7955 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
7956
7957         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
7958         -floop-block): Document dependences on PPL, CLooG and Graphite.
7959
7960 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7961
7962         PR rtl-optimization/323
7963         * c-common.c (c_fully_fold, convert_and_check,
7964         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
7965         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
7966         * c-common.def (EXCESS_PRECISION_EXPR): New.
7967         * c-cppbuiltin.c (builtin_define_float_constants): Define
7968         constants with enough digits for long double.
7969         * c-lex.c (interpret_float): Interpret constant with excess
7970         precision where appropriate.
7971         * c-opts.c (c_common_post_options): Set
7972         flag_excess_precision_cmdline.  Give an error for
7973         -fexcess-precision=standard for C++ for processors where the
7974         option is significant.
7975         * c-parser.c (c_parser_conditional_expression): Handle excess
7976         precision in condition.
7977         * c-typeck.c (convert_arguments): Handle arguments with excess
7978         precision.
7979         (build_unary_op): Move excess precision outside operation.
7980         (build_conditional_expr): Likewise.
7981         (build_compound_expr): Likewise.
7982         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
7983         (build_modify_expr): Handle excess precision in RHS.
7984         (convert_for_assignment): Handle excess precision in converted
7985         value.
7986         (digest_init, output_init_element, process_init_element): Handle
7987         excess precision in initializer.
7988         (c_finish_return): Handle excess precision in return value.
7989         (build_binary_op): Handle excess precision in operands and add
7990         excess precision as needed for operation.
7991         * common.opt (-fexcess-precision=): New option.
7992         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
7993         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
7994         For standard excess precision, output explicit conversion to and
7995         truncation from XFmode.
7996         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
7997         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
7998         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
7999         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
8000         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
8001         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
8002         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
8003         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
8004         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
8005         define_splits, sqrt<mode>2): Disable where appropriate for
8006         standard excess precision.
8007         * convert.c (convert_to_real): Do not shorten arithmetic to type
8008         for which excess precision would be used.
8009         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
8010         * doc/invoke.texi (-fexcess-precision=): Document option.
8011         (-mfpmath=): Correct index entry.
8012         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
8013         flag_excess_precision): New.
8014         * langhooks.c (lhd_post_options): Set
8015         flag_excess_precision_cmdline.
8016         * opts.c (common_handle_option): Handle -fexcess-precision=.
8017         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
8018         init_excess_precision): New.
8019         (lang_dependent_init_target): Call init_excess_precision.
8020         * tree.c (excess_precision_type): New.
8021         * tree.h (excess_precision_type): Declare.
8022
8023 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
8024
8025         PR c/35235
8026         * c-typeck.c (build_component_ref): Do not copy qualifiers from
8027         non-lvalue to component.
8028
8029 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
8030
8031         PR preprocessor/34695
8032         * Makefile.in (c-opts.o): Depend on c-tree.h.
8033         * c-common.c: Move down include of diagnostic.h.
8034         (done_lexing, c_cpp_error): New.
8035         * c-common.h (done_lexing): Declare.
8036         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
8037         (parse_in).
8038         * c-opts.c: Include c-tree.h.
8039         (c_common_init_options): Set preprocessor error callback.
8040         (c_common_handle_option): Do not set preprocessor
8041         inhibit_warnings, warnings_are_errors, warn_system_headers,
8042         pedantic_errors or inhibit_warnings flags.
8043         (c_common_post_options): Do not check cpp_errors (parse_in).
8044         (c_common_finish): Do not output dependencies if there were
8045         errors.  Do not check return value of cpp_finish.
8046         * c-ppoutput.c (pp_file_change): Set input_location.
8047         * c-tree.h (c_cpp_error): Declare.
8048         * diagnostic.c (diagnostic_set_info_translated): Also initialize
8049         override_column.
8050         (diagnostic_build_prefix): Check override_column.
8051         * diagnostic.h (diagnostic_info): Add override_column field.
8052         (diagnostic_override_column): Define.
8053
8054 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
8055
8056         * c-common.c (c_expand_expr, c_staticp): Remove.
8057         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
8058         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
8059         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
8060         * c-gimplify.c (gimplify_compound_literal_expr,
8061         optimize_compound_literals_in_ctor): Remove.
8062         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
8063         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
8064         * c-semantics.c (emit_local_var): Remove.
8065
8066         * langhooks-def.h (lhd_expand_expr): Remove.
8067         * langhooks.c (lhd_expand_expr): Remove.
8068         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
8069
8070         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
8071         handling from c-semantics.c; don't call into langhook.
8072         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
8073         * gimplify.c (gimplify_compound_literal_expr,
8074         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
8075         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
8076         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
8077         as was done in c-gimplify.c.
8078         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
8079         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
8080         Move from c-common.h.
8081         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
8082
8083         * tree.c (staticp): Do not call langhook.
8084         * langhooks.c (lhd_staticp): Delete.
8085         * langhooks-def.h (lhd_staticp): Delete prototype.
8086         (LANG_HOOKS_STATICP): Delete.
8087         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
8088
8089         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
8090         instead of DECL_STMTs.
8091
8092 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
8093
8094         PR c/456
8095         PR c/5675
8096         PR c/19976
8097         PR c/29116
8098         PR c/31871
8099         PR c/35198
8100         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
8101         void_type_node.
8102         (fold_call_expr): Return a NOP_EXPR from folding rather than the
8103         contained expression.
8104         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
8105         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
8106         conditional expressions for C.
8107         (decl_constant_value_for_optimization): Move from
8108         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
8109         whether optimizing and that the expression is a VAR_DECL not of
8110         array type instead of doing such checks in the caller.  Do not
8111         check pedantic.  Call gcc_unreachable for C++.
8112         * c-common.def (C_MAYBE_CONST_EXPR): New.
8113         * c-common.h (c_fully_fold, c_save_expr,
8114         decl_constant_value_for_optimization): New prototypes.
8115         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
8116         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
8117         EXPR_INT_CONST_OPERANDS): Define.
8118         * c-convert.c (convert): Strip nops from expression.
8119         * c-decl.c (groktypename): Take extra parameters expr and
8120         expr_const_operands.  Update call to grokdeclarator.
8121         (start_decl): Update call to grokdeclarator.  Add statement for
8122         expressions used in type of decl.
8123         (grokparm): Update call to grokdeclarator.
8124         (push_parm_decl): Update call to grokdeclarator.
8125         (build_compound_literal): Add parameter non_const and build a
8126         C_MAYBE_COSNT_EXPR if applicable.
8127         (grokdeclarator): Take extra parameters expr and
8128         expr_const_operands.  Track expressions used in declaration
8129         specifiers and declarators.  Fold array sizes and track whether
8130         they are constant expressions and whether they are integer
8131         constant expressions.
8132         (parser_xref_tag): Set expr and expr_const_operands fields in
8133         return value.
8134         (grokfield): Update call to grokdeclarator.
8135         (start_function): Update call to grokdeclarator.
8136         (build_null_declspecs): Set expr and expr_const_operands fields in
8137         return value.
8138         (declspecs_add_type): Handle expressions in typeof specifiers.
8139         * c-parser.c (c_parser_declspecs): Set expr and
8140         expr_const_operands fields for declaration specifiers.
8141         (c_parser_enum_specifier): Likewise.
8142         (c_parser_struct_or_union_specifier): Likewise.
8143         (c_parser_typeof_specifier): Likewise.  Update call to
8144         groktypename.  Fold expression as needed.  Return expressions with
8145         type instead of adding statements.
8146         (c_parser_attributes): Update calls to c_parser_expr_list.
8147         (c_parser_statement_after_labels): Fold expression before passing
8148         to objc_build_throw_stmt.
8149         (c_parser_condition): Fold expression.
8150         (c_parser_asm_operands): Fold expression.
8151         (c_parser_conditional_expression): Use c_save_expr.  Update call
8152         to build_conditional_expr.
8153         (c_parser_alignof_expression): Update call to groktypename.
8154         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
8155         original_code.  Fold expression argument of va_arg.  Create
8156         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
8157         argument to va_arg.  Update calls to groktypename.  Fold array
8158         index for offsetof.  Verify that first argument to
8159         __builtin_choose_expr has integer type.
8160         (c_parser_postfix_expression_after_paren_type): Update calls to
8161         groktypename and build_compound_literal.  Handle expressions with
8162         side effects in type name.
8163         (c_parser_postfix_expression_after_primary): Update call to
8164         c_parser_expr_list.  Set original_code for calls to
8165         __builtin_constant_p.
8166         (c_parser_expr_list): Take extra parameter fold_p.  Fold
8167         expressions if requested.
8168         (c_parser_objc_type_name): Update call to groktypename.
8169         (c_parser_objc_synchronized_statement): Fold expression.
8170         (c_parser_objc_receiver): Fold expression.
8171         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
8172         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
8173         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
8174         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
8175         (struct c_typespec): Add elements expr and expr_const_operands.
8176         (struct c_declspecs): Add elements expr and expr_const_operands.
8177         (groktypename, build_conditional_expr, build_compound_literal):
8178         Update prototypes.
8179         (in_late_binary_op): Declare.
8180         * c-typeck.c (note_integer_operands): New function.
8181         (in_late_binary_op): New variable.
8182         (decl_constant_value_for_broken_optimization): Move to c-common.c
8183         and rename to decl_constant_value_for_optimization.
8184         (default_function_array_conversion): Do not strip nops.
8185         (default_conversion): Do not call
8186         decl_constant_value_for_broken_optimization.
8187         (build_array_ref): Do not fold result.
8188         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
8189         result when operand is a VLA.
8190         (c_expr_sizeof_type): Update call to groktypename.  Handle
8191         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
8192         result when operand names a VLA type.
8193         (build_function_call): Update call to build_compound_literal.
8194         Only fold result for calls to __builtin_* functions.  Strip
8195         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
8196         the function designator.
8197         (convert_arguments): Fold arguments.  Update call to
8198         convert_for_assignment.
8199         (build_unary_op): Handle increment and decrement of
8200         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
8201         decrement earlier.  Fold operand of increment and decrement.
8202         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
8203         built for integer operand.  Wrap returns that are INTEGER_CSTs
8204         without being integer constant expressions or that have integer
8205         constant operands without being INTEGER_CSTs.
8206         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
8207         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
8208         result is an integer constant expression or can be used in
8209         unevaluated parts of one and avoid folding and wrap as
8210         appropriate.  Fold operands before possibly doing -Wsign-compare
8211         warnings.
8212         (build_compound_expr): Wrap result for C99 if operands can be used
8213         in integer constant expressions.
8214         (build_c_cast): Update call to digest_init.  Do not ignore
8215         overflow from casting floating-point constants to integers.  Wrap
8216         results that could be confused with integer constant expressions,
8217         null pointer constants or floating-point constants.
8218         (c_cast_expr): Update call to groktypename.  Handle expressions
8219         included in type name.
8220         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
8221         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
8222         Update calls to convert_for_assignment.
8223         (convert_for_assignment): Take new parameter
8224         null_pointer_constant.  Do not strip nops or call
8225         decl_constant_value_for_broken_optimization.  Set
8226         in_late_binary_op for conversions to boolean.
8227         (store_init_value): Update call to digest_init.
8228         (digest_init): Take new parameter null_pointer_constant.  Do not
8229         call decl_constant_value_for_broken_optimization.  pedwarn for
8230         initializers not constant expressions.  Update calls to
8231         convert_for_assignment.
8232         (constructor_nonconst): New.
8233         (struct constructor_stack): Add nonconst element.
8234         (really_start_incremental_init, push_init_level, pop_init_level):
8235         Handle constructor_nonconst and nonconst element.
8236         (set_init_index): Call constant_expression_warning for array
8237         designators.
8238         (output_init_element): Fold value.  Set constructor_nonconst as
8239         applicable.  pedwarn for initializers not constant expressions.
8240         Update call to digest_init.  Call constant_expression_warning
8241         where constant initializers are required.
8242         (process_init_element): Use c_save_expr.
8243         (c_finish_goto_ptr): Fold expression.
8244         (c_finish_return): Fold return value.  Update call to
8245         convert_for_assignment.
8246         (c_start_case): Fold switch expression.
8247         (c_process_expr_stmt): Fold expression.
8248         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
8249         ensure statement expression is not evaluated in constant expression.
8250         (build_binary_op): Track whether results are integer constant
8251         expressions or may occur in such, disable folding and wrap results
8252         as applicable.  Fold operands for -Wsign-compare warnings unless
8253         in_late_binary_op.
8254         (c_objc_common_truthvalue_conversion): Handle results folded to
8255         integer constants that are not integer constant expressions.
8256         * doc/extend.texi: Document when typeof operands are evaluated,
8257         that condition of __builtin_choose_expr is an integer constant
8258         expression, and more about use of __builtin_constant_p in
8259         initializers.
8260
8261 2009-03-29  Richard Guenther  <rguenther@suse.de>
8262
8263         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
8264         propagate addresses of array references.
8265
8266 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
8267
8268         * regmove.c (perhaps_ends_bb_p): Remove.
8269         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
8270         from INSN and check that the main loop stays within that basic block.
8271         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
8272         (regmove_forward_pass): Split out from regmove_optimize.  Use
8273         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
8274         (regmove_backward_pass): Split out from regmove_optimize.  Use
8275         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
8276         (regmove_optimize): Simplify.
8277
8278 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8279
8280         PR target/39545
8281         * config/i386/i386.c (classify_argument): Ignore flexible array
8282         member in struct and warn ABI change.
8283
8284 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8285
8286         * config/i386/i386-protos.h (ix86_agi_dependent): New.
8287
8288         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
8289         (ix86_adjust_cost): Updated.
8290
8291 2009-03-29  Jan Hubicka  <jh@suse.cz>
8292
8293         PR middle-end/28850
8294         * tree-pass.h (pass_cleanup_eh): New function.
8295         (remove_unreachable_regions): Break code handling RTL
8296         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
8297         that can not be reached by runtime.
8298         (can_be_reached_by_runtime): New function.
8299         (label_to_region_map): New function.
8300         (num_eh_regions): New function.
8301         (rtl_remove_unreachable_regions): New function.
8302         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
8303         (remove_eh_region): New function.
8304         * except.h: Include sbitmap and vecprim.
8305         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
8306         num_eh_regions): Declare.
8307         * passes.c (init_optimization_passes): Schedule cleanup_eh.
8308         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
8309         * tree-eh.c (tree_remove_unreachable_handlers): New function.
8310         (tree_empty_eh_handler_p): New function.
8311         (cleanup_empty_eh): New function.
8312         (cleanup_eh): New function.
8313         (pass_cleanup_eh): New function.
8314
8315 2009-03-29  Jan Hubicka  <jh@suse.cz>
8316
8317         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
8318         for removed regions.
8319
8320 2009-03-29  Jan Hubicka  <jh@suse.cz>
8321
8322         * except.c (dump_eh_tree): Dump all datastructures.
8323
8324 2009-03-29  Jan Hubicka  <jh@suse.cz>
8325
8326         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
8327         (duplicate_eh_regions_1): Likewise.
8328         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
8329         vector; call EH verification.
8330         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8331         Be ready for region being removed.
8332
8333 2009-03-29  Jan Hubicka  <jh@suse.cz>
8334
8335         * bitmap.c (bitmap_last_set_bit): New function.
8336         * bitmap.h (bitmap_last_set_bit): Declare.
8337
8338 2009-03-29  David Ayers  <ayers@fsfe.org>
8339
8340         PR objc/27377
8341         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
8342         by calling objc_compare_types and surpress warnings about
8343         incompatible C pointers that are compatible ObjC pointers.
8344
8345 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
8346
8347         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
8348         call initialize_inline_failed.
8349         (initialize_inline_failed): Move it from here ...
8350         * cgraph.c (initialize_inline_failed): ... to here.
8351         (cgraph_create_edge): Call initialize_inline_failed rather than
8352         setting inline_failed directly.
8353
8354 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8355
8356         PR target/32542
8357         * sysv4.opt (msdata): Improve comment.
8358         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
8359         * sysv4.h (SVR4_ASM_SPEC): Likewise.
8360
8361 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8362
8363         PR target/30451
8364         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
8365         load and store attributes.
8366
8367 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8368
8369         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
8370         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
8371         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
8372         * doc/extend.texi (X86 Built-in Functions): Add index entries for
8373         __builtin_infq and __builtin_huge_valq.
8374
8375 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
8376
8377         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
8378         atmega8m1 devices.
8379         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8380         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
8381
8382 2009-03-28  Xinliang David Li  <davidxl@google.com>
8383
8384         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
8385         (do_dbg_cnt): New function.
8386
8387 2009-03-28  Jan Hubicka  <jh@suse.cz>
8388
8389         Merge from pretty-ipa:
8390
8391         2009-03-27  Jan Hubicka  <jh@suse.cz>
8392
8393         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8394         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
8395         * passes.c (function_called_by_processed_nodes_p): New.
8396         * ipa-pure-const.c (check_call): Fix handling of operands.
8397         (analyze_function): Dump debug output for skipped bodies.
8398         (local_pure_const): Use function_called_by_processed_nodes_p.
8399         * dwarf2out.c (reference_to_unused): Use output.
8400         * passes.c (do_per_function_toporder): Likewise.
8401
8402         2008-11-12  Jan Hubicka  <jh@suse.cz>
8403
8404         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
8405         * ipa-pure-const.c (funct_state_d): Add can throw field; make
8406         state_set_in_source enum
8407         (check_decl): Ignore memory tags; do not set fake looping flags;
8408         dump diagnostics.
8409         (check_operand, check_tree, check_rhs_var, check_lhs_var,
8410         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
8411         (check_call, analyze_function): Rewrite.
8412         (check_stmt): New.
8413         (add_new_function): Update call of analyze_function.
8414         (generate_summary): Add call of analyze_function.
8415         (propagate): Propagate can_throw; handle state_set_in_source correctly.
8416         (local_pure_const): New function.
8417         (pass_local_pure_const): New pass.
8418         * ipa-inline.c (inline_transform): Set after_inlining.
8419         * tree-eh.c (stmt_can_throw_external): New.
8420         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
8421         work with aliasing built.
8422         * tree-flow.h (stmt_can_throw_external): New.
8423         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
8424         and local pure/const pass in early and late optimization queue.
8425
8426 2009-03-28  Martin Jambor  <mjambor@suse.cz>
8427
8428         * fold-const.c (get_pointer_modulus_and_residue): New parameter
8429         allow_func_align.
8430         (fold_binary): Allow function decl aligment consideration is the
8431         second argument is integer constant one.
8432         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
8433         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
8434         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
8435
8436 2009-03-28  Jan Hubicka  <jh@suse.cz>
8437
8438         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
8439         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
8440         * function.h (rtl_data): Add nothrow flag.
8441         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
8442         set DECL_NOTHROW for AVAILABLE functions.
8443
8444 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
8445
8446         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
8447         following vector keyword has expansion starting with pixel or bool
8448         keyword, expand vector to __vector and pixel or bool to __pixel or
8449         __bool.
8450
8451         PR c++/39554
8452         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
8453         warn_if_disallowed_function_p): Removed.
8454         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
8455         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
8456         warning_if_disallowed_function_p.
8457         * flags.h (warn_if_disallowed_function_p,
8458         warn_disallowed_functions): Removed.
8459         * common.opt (Wdisallowed-function-list=): Removed.
8460         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
8461
8462 2009-03-28  Richard Guenther  <rguenther@suse.de>
8463
8464         PR tree-optimization/38723
8465         * tree-ssa-pre.c (compute_avail): Add all default definitions to
8466         the entry block.
8467
8468 2009-03-28  Jan Hubicka  <jh@suse.cz>
8469
8470         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
8471         test introduced by my previous patch.
8472
8473 2009-03-28  Richard Guenther  <rguenther@suse.de>
8474
8475         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
8476         the PHIs value undefined.
8477
8478 2009-03-28  Jan Hubicka  <jh@suse.cz>
8479
8480         * tree-pass.h (pass_fixup_cfg): New pass.
8481         * ipa-inline.c (inline_transform): Set
8482         always_inline_functions_inlined/after_inlining.
8483         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
8484         (pass_fixup_cfg): New pass.
8485         * passes.c (init_optimization_passes): Add fixup_cfg.
8486
8487 2009-03-28  Richard Guenther  <rguenther@suse.de>
8488
8489         PR tree-optimization/38458
8490         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
8491         argument use the arguments copy-of value.
8492
8493 2009-03-28  Richard Guenther  <rguenther@suse.de>
8494
8495         PR tree-optimization/38180
8496         * tree-ssa-ccp.c (get_default_value): Simplify.
8497         (likely_value): Likewise.
8498         (surely_varying_stmt_p): Properly handle VOP case.
8499         (ccp_initialize): Likewise.
8500         (ccp_fold): Handle propagating through *&.
8501         (fold_const_aggregate_ref): Also handle decls.
8502
8503 2009-03-28  Jan Hubicka  <jh@suse.cz>
8504
8505         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8506         * cgraph.h (cgraph_node): Likewise.
8507         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
8508         (cgraph_reset_node): Use process flag.
8509         (cgraph_mark_functions_to_output): Likewise.
8510         (cgraph_expand_function): Likewise.
8511         (cgraph_expand_all_functions): Likewise.
8512         (cgraph_output_in_order): Likewise.
8513         * dwarf2out.c (reference_to_unused): Likewise.
8514         * passes.c do_per_function_toporder): Likewise.
8515
8516 2009-03-28  Jan Hubicka  <jh@suse.cz>
8517
8518         Bring from lto-branch:
8519
8520         2008-09-03  Doug Kwan  <dougkwan@google.com>
8521
8522         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
8523         enums instead of reason strings.
8524         * cgraph.c (cgraph_create_edge): Same.
8525         (cgraph_inline_failed_string): New function.
8526         * cgraph.h (cgraph_inline_failed_t): New enum type.
8527         (cgraph_inline_failed_string): New prototype.
8528         (struct cgraph_edge): Change type of INLINED_FAILED from constant
8529         char pointer to cgraph_inline_failed_t.
8530         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
8531         (cgraph_default_inline_p): Ditto.
8532         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
8533         to cgraph_inline_failed_t pointer.
8534         * cif-code.def: New file.
8535         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
8536         reason string.
8537         (cgraph_check_inline_limits): Change type of REASON to pointer to
8538         cgraph_inline_failed_t.  Replace reason strings with enums.
8539         (cgraph_default_inline_p): Ditto.
8540         (cgraph_recursive_inlining_p): Ditto.
8541         (update_caller_keys): Change type of FAILED_REASON to
8542         cgraph_inline_failed_t.
8543         (cgraph_set_inline_failed): Change type of REASON to pointer to
8544         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
8545         convert enums to strings for text output.
8546         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
8547         to be of type cgraph_inline_failed_t.  Replace reason strings with
8548         enums.  Call cgraph_inline_failed_string to covert enums
8549         to strings for text output.
8550         (cgraph_decide_inlining): Replace reason strings with enums.
8551         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
8552         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
8553         for text output.
8554         * tree-inline.c (expand_call_inline): Change type of REASON
8555         to cgraph_inline_failed_t.  Replace reason strings with enums.
8556         Call cgraph_inline_failed_string for text output.
8557         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
8558         (cgraph.o): Ditto.
8559
8560 2009-03-28  Jan Hubicka  <jh@suse.cz>
8561
8562         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
8563         cgraph_clone_node): Remove master clone handling.
8564         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8565         * cgraph.h (master_clone): Remove.
8566         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8567         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
8568         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
8569
8570 2009-03-28  Jan Hubicka  <jh@suse.cz>
8571
8572         * cgraph.c (cgraph_function_body_availability): Functions declared
8573         inline are always safe to assume that it is not going to be replaced.
8574
8575 2009-03-28  Richard Guenther  <rguenther@suse.de>
8576
8577         PR tree-optimization/38513
8578         * tree-ssa-pre.c (eliminate): Remove redundant stores.
8579         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
8580         EXC_PTR_EXPR and FILTER_EXPR.
8581         (get_ref_from_reference_ops): Likewise.
8582
8583 2009-03-28  Richard Guenther  <rguenther@suse.de>
8584
8585         PR tree-optimization/38968
8586         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
8587         Use FLOOR_MOD_EXPR to compute misalignment.
8588
8589 2009-03-28  Richard Guenther  <rguenther@suse.de>
8590
8591         PR tree-optimization/37795
8592         * tree.h (combine_comparisons): Declare.
8593         * fold-const.c (combine_comparisons): Export.
8594         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
8595         comparisons.
8596         (ifcombine_iforif): Use combine_comparisons.
8597
8598 2009-03-28  Jan Hubicka  <jh@suse.cz>
8599
8600         * tree-eh.c (inlinable_call_p): New function.
8601         (make_eh_edges): Use it.
8602         (verify_eh_edges): Use it.
8603         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
8604         * except.c (reachable_next_level): Add inlinable_function argument
8605         (sjlj_find_directly_reachable_regions): Update.
8606         (add_reachable_handler): Do not set saw_any_handlers.
8607         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
8608         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8609         Add new inlinable call parameter.
8610         (can_throw_internal, can_throw_external): Update.
8611         * except.h (can_throw_internal_1, can_throw_external_1,
8612         foreach_reachable_handler): Update declaration.
8613
8614 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
8615
8616         * config/arm/t-arm-coff, config/h8300/coff.h,
8617         config/i386/i386-aout.h, config/i386/i386-coff.h,
8618         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
8619         config/pdp11/2bsd.h, config/rs6000/aix41.h,
8620         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
8621         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
8622         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
8623         sys-types.h: Remove.
8624         * Makefile.in: Remove protoize and fixproto support and references
8625         in comments.
8626         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
8627         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
8628         Remove.
8629         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
8630         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
8631         unprotoize$(exeext).
8632         (rest.encap): Don't depend on $(STMP_FIXPROTO)
8633         (.PHONY): Don't depend on proto.
8634         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
8635         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
8636         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
8637         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
8638         build/gen-protos.o, build/scan.o, xsys-protos.h,
8639         build/fix-header$(build_exeext), build/fix-header.o,
8640         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
8641         stmp-install-fixproto): Remove.
8642         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
8643         SYSCALLS.c or fixproto files.
8644         (install-common): Don't install protoize.
8645         (install-headers-tar, install-headers-cpio, install-headers-cp):
8646         Don't depend on $(STMP_FIXPROTO).
8647         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
8648         install fixproto files or write out fixproto settings.
8649         (uninstall): Don't uninstall protoize.
8650         * config.gcc (use_fixproto): Remove.
8651         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
8652         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
8653         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
8654         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
8655         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
8656         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
8657         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
8658         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
8659         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
8660         * config/t-vxworks (STMP_FIXPROTO): Remove.
8661         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
8662         STMP_FIXPROTO): Remove.
8663         * config.in, configure: Regenerate.
8664         * crtstuff.c (gid_t, uid_t): Don't undefine.
8665         * doc/install.texi: Change m68k-coff to m68k-elf in example.
8666         (arm-*-coff, arm-*-aout: Remove target entries.
8667         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
8668         Remove mention of AIX 4.1.
8669         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
8670         * doc/invoke.texi (Running Protoize): Remove.
8671         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
8672         (Protoize Caveats): Remove.
8673         * tsystem.h: Update comments on headers assumed to exist.
8674
8675 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
8676
8677         * genautomata.c: Add a new year to the copyright.  Add a new
8678         reference.
8679         (struct insn_reserv_decl): Add comments for member bypass_list.
8680         (find_bypass): Remove.
8681         (insert_bypass): New.
8682         (process_decls): Use insert_bypass.
8683         (output_internal_insn_latency_func): Output all bypasses with the
8684         same input insn in one switch case.
8685
8686         * rtl.def (define_bypass): Describe bypass choice.
8687         * doc/md.texi (define_bypass): Ditto.
8688
8689 2009-03-27  Richard Guenther  <rguenther@suse.de>
8690
8691         * gimplify.c (mark_addressable): Export.
8692         * tree-flow.h (mark_addressable): Declare.
8693         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
8694         * tree-ssa.c (verify_phi_args): Verify that address taken
8695         variables have TREE_ADDRESSABLE set.
8696
8697 2009-03-27  Richard Guenther  <rguenther@suse.de>
8698
8699         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
8700         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
8701         Do not mark decls TREE_ADDRESSABLE.
8702         (build_fold_addr_expr): Adjust.
8703         (fold_addr_expr): Remove.
8704         (fold_unary): Use build_fold_addr_expr.
8705         (fold_comparison): Likewise.
8706         (split_address_to_core_and_offset): Likewise.
8707         * coverage.c (tree_coverage_counter_addr): Mark the array decl
8708         TREE_ADDRESSABLE.
8709         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
8710         (gimplify_modify_expr_to_memcpy): Mark source and destination
8711         addressable.
8712         * omp-low.c (create_omp_child_function): Mark the object decl
8713         TREE_ADDRESSABLE.
8714         (lower_rec_input_clauses): Mark the var we take the address of
8715         TREE_ADDRESSABLE.
8716         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
8717
8718 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8719
8720         PR middle-end/39315
8721         * cfgexpand.c (expand_one_stack_var_at): Change alignment
8722         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
8723
8724 2009-03-27  Richard Guenther  <rguenther@suse.de>
8725
8726         PR tree-optimization/39120
8727         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
8728         constraints.
8729         (handle_lhs_call): Process return constraints.  Add escape
8730         constraints if necessary.
8731         (handle_const_call): Fill out return constraints.  Make nested
8732         case more precise.  Avoid consttmp if possible.
8733         (handle_pure_call): Fill out return constraints.  Avoid
8734         callused if possible.
8735         (find_func_aliases): Simplify call handling.
8736
8737 2009-03-27  Richard Guenther  <rguenther@suse.de>
8738
8739         PR tree-optimization/39120
8740         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
8741         as a representative.
8742         (solve_graph): Do propagate CALLUSED.
8743         (handle_pure_call): Use a scalar constraint from CALLUSED for
8744         the return value.
8745         (find_what_p_points_to): CALLUSED shall not appear in poins-to
8746         solutions.
8747
8748 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8749
8750         PR c/39323
8751         * c-common.c (handle_aligned_attribute): Properly check alignment
8752         overflow.  Use (1U << i) instead of (1 << i).
8753
8754         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
8755
8756         * expr.h (get_mem_align_offset): Updated.
8757
8758         * tree.h (tree_decl_common): Change align to "unsigned int" and
8759         move it before pointer_alias_set.
8760
8761 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8762             Jakub Jelinek  <jakub@redhat.com>
8763
8764         PR target/38034
8765         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
8766         gr_register_operand with gr_reg_or_0_operand.
8767         (cmpxchg_rel_di): Likewise.
8768         (sync_lock_test_and_set<mode>): Likewise.
8769
8770 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8771
8772         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
8773         (true_regnum): Likewise.
8774
8775         * rtlanal.c (subreg_info): Moved to ...
8776         * rtl.h (subreg_info): Here.  New.
8777         (subreg_get_info): New.
8778
8779         * rtlanal.c (subreg_get_info): Make it extern.
8780
8781 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8782
8783         PR target/39472
8784         * config/i386/i386.c (ix86_abi): New.
8785         (override_options): Handle -mabi=.
8786         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
8787         (ix86_call_abi_override): Likewise.
8788         (init_cumulative_args): Likewise.
8789         (function_arg_advance): Likewise.
8790         (function_arg_64): Likewise.
8791         (function_arg): Likewise.
8792         (ix86_pass_by_reference): Likewise.
8793         (ix86_function_value_regno_p): Likewise.
8794         (ix86_build_builtin_va_list_abi): Likewise.
8795         (setup_incoming_varargs_64): Likewise.
8796         (is_va_list_char_pointer): Likewise.
8797         (ix86_init_machine_status): Likewise.
8798         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
8799         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
8800         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
8801         (ix86_function_abi): Make it static and return enum calling_abi.
8802         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
8803         with ix86_abi.
8804         (ix86_fn_abi_va_list): Updated.
8805
8806         * config/i386/i386.h (ix86_abi): New.
8807         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
8808         (CONDITIONAL_REGISTER_USAGE): Likewise.
8809         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
8810         (machine_function): Likewise.
8811
8812         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
8813         with ix86_abi.
8814         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
8815         (STACK_BOUNDARY): Likewise.
8816         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
8817
8818         * config/i386/i386.opt (mabi=): New.
8819
8820         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
8821         return enum calling_abi.
8822         (ix86_function_type_abi): Likewise.
8823         (ix86_function_abi): Removed.
8824
8825         * doc/invoke.texi: Document -mabi= option for x86.
8826
8827 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8828
8829         * builtins.c (real_dconstp): Delete.
8830         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
8831
8832 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
8833             Jakub Jelinek  <jakub@redhat.com>
8834
8835         PR debug/37959
8836         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
8837         (gen_subprogram_die): When a function is explicit, generate the
8838         DW_AT_explicit attribute.
8839         * langhooks.h (struct lang_hooks_for_decls): Add
8840         function_decl_explicit_p langhook.
8841         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
8842         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
8843
8844 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
8845
8846         * builtins.c (fold_builtin_memory_op): Optimize memmove
8847         into memcpy if we can prove source and destination don't overlap.
8848
8849         * tree-inline.c: Include gt-tree-inline.h.
8850         (clone_fn_id_num): New variable.
8851         (clone_function_name): New function.
8852         (tree_function_versioning): Use it.
8853         * Makefile.in (GTFILES): Add tree-inline.c.
8854
8855 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
8856
8857         * BASE-VER: Change to 4.5.0.
8858
8859 2009-03-27  Xinliang David Li  <davidxl@google.com>
8860
8861         PR tree-optimization/39557
8862         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
8863
8864 2009-03-27  Xinliang David Li  <davidxl@google.com>
8865
8866         PR tree-optimization/39548
8867         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
8868         candidate check.
8869
8870 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8871
8872         * c-common.c (pointer_int_sum): Use %wd on return from
8873         tree_low_cst.
8874
8875 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8876
8877         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
8878         on return from tree_low_cst.
8879
8880 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8881
8882         PR c++/36799
8883         * ginclude/stdarg.h (va_copy): Define also for
8884         __GXX_EXPERIMENTAL_CXX0X__.
8885
8886 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8887
8888         PR c++/35652
8889         * builtins.h (c_strlen): Do not warn here.
8890         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
8891         * c-common.c (pointer_int_sum): Take an explicit location.
8892         Warn about offsets out of bounds.
8893         * c-common.h (pointer_int_sum): Adjust declaration.
8894
8895 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8896
8897         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
8898         markup glitch.
8899
8900 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
8901
8902         PR c++/39554
8903         * opts.c (warn_if_disallowed_function_p): Don't assume
8904         get_callee_fndecl must return non-NULL.
8905
8906 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
8907
8908         PR rtl-optimization/39522
8909         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
8910         when reg_reloaded_valid is set.
8911
8912 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8913
8914         * config/spu/divv2df3.c: New file.
8915         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
8916         (DPBIT_FUNCS): Filter out _div_df.
8917
8918 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
8919
8920         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
8921         a jump insn, count that jump in the distance to the loop start.
8922
8923 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
8924
8925         PR target/39523
8926         * config/sh/sh.c (calc_live_regs): Fix condition for global
8927         registers except PIC_OFFSET_TABLE_REGNUM.
8928
8929 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
8930
8931         PR/39518
8932         * doc/invoke.texi (-mconsole): New.
8933         (-mcygwin): New.
8934         (-mno-cygwin): New.
8935         (-mdll): New.
8936         (-mnop-fun-dllimport): New.
8937         (-mthread): New.
8938         (-mwin32): New.
8939         (-mwindows): New.
8940         (sub section "i386 and x86-64 Windows Options"): New.
8941
8942 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
8943
8944         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
8945         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
8946
8947 2009-03-25  Richard Guenther  <rguenther@suse.de>
8948
8949         PR middle-end/39497
8950         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
8951         of -Wno-error.
8952
8953 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
8954
8955         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
8956         neither of haifa/selective schedulers are working.
8957
8958 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8959
8960         * doc/invoke.texi (Debugging Options): Fix description of
8961         -fno-merge-debug-strings.
8962
8963 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
8964
8965         * config/cris/libgcc.ver: New version-script.
8966         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
8967
8968         * configure.ac <GAS features, nop mnemonic>: Add pattern
8969         crisv32-*-* for "nop".
8970         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
8971         * configure: Regenerate.
8972
8973 2009-03-24  Ira Rosen  <irar@il.ibm.com>
8974
8975         PR tree-optimization/39529
8976         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
8977         mark_sym_for_renaming for the tag copied to the new vector
8978         pointer.
8979
8980 2009-03-24  Arthur Loiret  <aloiret@debian.org>
8981
8982         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
8983         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
8984         EXTRA_SPEC_FUNCTIONS.
8985         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
8986         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
8987         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
8988         -march and -mtune options.
8989
8990 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
8991
8992         * config/m68k/t-rtems: Add m5329 multilib.
8993
8994 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
8995             Jakub Jelinek  <jakub@redhat.com>
8996
8997         PR debug/39524
8998         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
8999         nodes.
9000
9001 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
9002
9003         PR c/39495
9004         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
9005         instead of c_parser_expression_conv, if original_code isn't one of the
9006         4 allowed comparison codes, fail.
9007
9008 2009-03-23  Richard Guenther  <rguenther@suse.de>
9009
9010         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
9011         * tree.h (struct tree_type): Likewise.
9012         * reload.h (struct insn_chain): Likewise.
9013         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
9014         * function.h (struct function): Likewise.
9015         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
9016
9017 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
9018
9019         PR tree-optimization/39516
9020         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
9021
9022 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
9023
9024         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
9025         should be set true if BITS_PER_WORD of target is bigger than 32
9026
9027 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
9028
9029         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
9030         Translate -B-options to -rpath-link.  Correct existing
9031         rpath-link and conditionalize on !nostdlib.
9032
9033 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9034
9035         * doc/extend.texi (Function Attributes, Variable Attributes):
9036         Fix typos.
9037         * doc/invoke.texi (Debugging Options, Optimize Options)
9038         (i386 and x86-64 Options, MCore Options): Likewise.
9039
9040 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
9041
9042         PR debug/37890
9043         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
9044         it for block local namespace aliases.
9045         (gen_decl_die): Pass context_die to gen_namespace_die.
9046
9047 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
9048
9049         PR c/39495
9050         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
9051         minimum or maximum value.
9052
9053 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
9054
9055         * reginfo.c (globalize_reg): Recompute derived reg sets.
9056
9057 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
9058
9059         PR target/39063
9060         * libgcc2.c (mprotect): Do not use signed arguments for
9061         VirtualProtect, use DWORD arguments.  Also fix the 'may
9062         be used uninitialized' warning for the np variable.
9063
9064 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
9065
9066         PR target/39496
9067         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
9068         functions using regparm calling conventions when not optimizing.
9069         (ix86_function_sseregparm): Similarly for sseregparm calling
9070         conventions.
9071
9072 2009-03-19  Li Feng  <nemokingdom@gmail.com>
9073
9074         PR middle-end/39500
9075         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
9076         dependence if the first conflict is after niter iterations.
9077
9078 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
9079
9080         PR middle-end/38609
9081         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
9082         functions with dynamic stack-pointer adjustments.
9083
9084 2009-03-19  Ben Elliston  <bje@au.ibm.com>
9085
9086         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
9087         option; change to -msdata=data.
9088
9089 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9090
9091         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
9092         and -fopenmp.
9093
9094 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
9095
9096         PR target/35180
9097         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
9098
9099 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
9100
9101         * doc/invoke.texi (Code Gen Options): Expand discussion of
9102         -fno-common.
9103
9104 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
9105
9106         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
9107         * matrix-reorg.c (struct matrix_info): Likewise.
9108         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
9109         * rtl.h (struct mem_attrs): Likewise.
9110         * df.h (struct df): Likewise.
9111         * tree-data-ref.h (struct data_dependence_relation): Likewise.
9112         * ira-int.h (struct ira_allocno): Likewise.
9113         * df-scan.c (struct df_collection_rec): Likewise.
9114         * ira.c (struct equivalence): Likewise.
9115         * function.c (struct temp_slot): Likewise.
9116         * cfgloop.h (struct loop): Likewise.
9117
9118         PR debug/39485
9119         * function.c (use_register_for_decl): When not optimizing, disregard
9120         register keyword for variables with types containing methods.
9121
9122 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
9123
9124         PR middle-end/39447
9125         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
9126         (is_simple_operand): Call contains_component_ref_p before calling data
9127         reference analysis that would fail on COMPONENT_REFs.
9128
9129         * tree-vrp.c (search_for_addr_array): Fix formatting.
9130
9131 2009-03-18  Richard Guenther  <rguenther@suse.de>
9132
9133         * tree-vect-transform.c (vect_loop_versioning): Fold the
9134         generated comparisons.
9135         * tree-vectorizer.c (set_prologue_iterations): Likewise.
9136         (slpeel_tree_peel_loop_to_edge): Likewise.
9137
9138 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9139
9140         PR middle-end/37805
9141         * opts.c (print_specific_help): In addition to `undocumented',
9142         accept `separate' and `joined' flags if passed alone.  Describe
9143         output by the first matched one of those.
9144         (common_handle_option): Skip over empty strings.
9145         * gcc.c (display_help): Fix help string for `--help='.
9146         * doc/invoke.texi (Option Summary, Overall Options): With
9147         `--help=', classes and qualifiers can both be repeated, but
9148         only the latter can be negated.  One should not pass only
9149         negated qualifiers.  Fix markup and examples.
9150
9151         Revert
9152         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
9153         PR middle-end/37805
9154         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
9155         and -fhelp=separate.
9156
9157 2009-03-17  Jing Yu  <jingyu@google.com>
9158
9159         PR middle-end/39378
9160         * function.h (struct rtl_data): Move is_thunk from here...
9161         (struct function): ...to here.
9162         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
9163         * varasm.c (assemble_start_function): Change is_thunk from crtl to
9164         cfun.
9165         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
9166         cfun.
9167         (alpha_does_function_need_gp, alpha_start_function): Likewise.
9168         (alpha_output_function_end_prologue): Likewise.
9169         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
9170         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
9171         (rs6000_output_function_epilogue): Likewise.
9172         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
9173
9174 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
9175
9176         PR target/39482
9177         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
9178         from different units in a single alternative.
9179         (*truncdfsf_i387): Ditto.
9180         (*truncxfsf2_mixed): Ditto.
9181         (*truncxfdf2_mixed): Ditto.
9182
9183 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
9184
9185         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
9186         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
9187
9188         PR debug/39474
9189         * tree-ssa-live.c (remove_unused_locals): Don't remove local
9190         unused non-artificial variables when not optimizing.
9191
9192         PR debug/39471
9193         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
9194         DW_TAG_imported_module even if decl is IMPORTED_DECL with
9195         NAMESPACE_DECL in its DECL_INITIAL.
9196
9197         PR middle-end/39443
9198         * optabs.c (set_user_assembler_libfunc): New function.
9199         * expr.h (set_user_assembler_libfunc): New prototype.
9200         * c-common.c: Include libfuncs.h.
9201         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
9202         for memcmp, memset, memcpy, memmove and abort.
9203         * Makefile.in (c-common.o): Depend on libfuncs.h.
9204
9205         PR debug/39412
9206         * dwarf2out.c (gen_inlined_enumeration_type_die,
9207         gen_inlined_structure_type_die, gen_inlined_union_type_die,
9208         gen_tagged_type_instantiation_die): Removed.
9209         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
9210         do nothing.
9211
9212 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
9213
9214         PR testsuite/38526
9215         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
9216         its use.
9217         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
9218         (check-parallel-%): Ditto.
9219         (check-consistency): Ditto.
9220
9221 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
9222
9223         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
9224         local variable rhs by NULL_TREE.
9225
9226 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9227
9228         PR target/39477
9229         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
9230
9231 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9232
9233         PR target/39476
9234         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
9235
9236 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9237
9238         PR target/39473
9239         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
9240         for ms->sysv ABI calls only in 64bit mode.
9241
9242         * config/i386/i386.md (untyped_call): Support 32bit.
9243
9244 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
9245
9246         * doc/extend.texi: Replace x86_65 with x86_64.
9247
9248 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
9249
9250         PR tree-optimization/39455
9251         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
9252         mismatches for POINTER_TYPE_P (type).
9253         (number_of_iterations_le): Likewise.
9254
9255 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9256
9257         * config/picochip/picochip.c: Removed profiling support.
9258         * config/picochip/picochip.md: Removed profiling instruction.
9259         * config/picochip/picochip.h: Removed profiling builtin.
9260
9261 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
9262
9263         * doc/install.texi (--with-host-libstdcxx): Document.
9264
9265 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
9266
9267         PR target/34299
9268         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
9269         generate a warning if the function name does not begin with
9270         "__vector" and the function has either the 'signal' or 'interrupt'
9271         attribute, from here to ...
9272         (avr_declare_function_name): ...here. New function.
9273         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
9274         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
9275
9276 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
9277
9278         PR bootstrap/39454
9279         * cse.c (fold_rtx): Don't modify original const_arg1 when
9280         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
9281         separate variable instead.
9282         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
9283         from out of range shift counts.
9284         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
9285
9286 2009-03-13  Catherine Moore  <clm@codesourcery.com>
9287
9288         * config/i386/x-mingw32 (host-mingw32.o): Replace
9289         diagnostic.h with $(DIAGNOSTIC_H).
9290
9291 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
9292
9293         PR target/39431
9294         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
9295         predicate.
9296         * config/i386/sync.md (sync_compare_and_swap<mode>,
9297         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
9298         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
9299         into a register.
9300         (sync_double_compare_and_swapdi_pic,
9301         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
9302         cmpxchg8b_pic_memory_operand instead of just memory_operand.
9303
9304 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9305
9306         PR target/39445
9307         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
9308
9309 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9310
9311         PR target/39327
9312         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9313         (avx_addsubv4df3): Likewise.
9314         (*avx_addsubv4sf3): Likewise.
9315         (sse3_addsubv4sf3): Likewise.
9316
9317 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9318
9319         PR target/38824
9320         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
9321
9322 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
9323
9324         PR debug/39432
9325         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
9326         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
9327         registers for allocnos created from user-defined variables.
9328
9329 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9330
9331         PR target/39181
9332         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
9333         of non-integer mode as well.
9334
9335 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
9336
9337         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
9338         for functions for which the parameter types are unknown.
9339
9340 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
9341
9342         PR target/39137
9343         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
9344         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
9345         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
9346         * config/i386/i386.c (ix86_local_alignment): For
9347         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
9348         long long variables on the stack to avoid dynamic realignment.
9349         Allow the first argument to be a decl rather than type.
9350         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
9351
9352 2009-03-11  Nick Clifton  <nickc@redhat.com>
9353
9354         PR target/5362
9355         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
9356         options.
9357         Add description to mno-lsim option.
9358         * config/mcore/mcore.h: Remove comment about deprecated m4align
9359         option.
9360         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
9361         * doc/invoke.texi: Add description of mno-lsim and
9362         mstack-increment options.
9363
9364         * config/fr30/fr30.opt: Document the -mno-lsim option.
9365         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
9366         and -mno-lsim options.
9367
9368 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9369
9370         * fold-const.c (fold_comparison): Only call fold_inf_compare
9371         if the mode supports infinities.
9372
9373 2009-03-11  Jason Merrill  <jason@redhat.com>
9374
9375         PR debug/39086
9376         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
9377         end already did.  Notice GIMPLE_CALL modifications of the result.
9378         Don't copy debug information from an ignored decl or a decl from
9379         another function.
9380
9381 2009-03-10  Richard Guenther  <rguenther@suse.de>
9382             Nathan Froyd  <froydnj@codesourcery.com>
9383
9384         PR middle-end/37850
9385         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
9386         (__divMODE3): Likewise.
9387
9388 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
9389
9390         PR tree-optimization/39394
9391         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
9392         DECL_SIZE_UNIT of variable length FIELD_DECLs.
9393
9394 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9395
9396         * recog.c (verfiy_changes): Disallow renaming of hard regs in
9397         inline asms for register asm ("") declarations.
9398
9399 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
9400
9401         * fold-const.c (fold_unary): Fix comment.
9402
9403 2009-03-07  Jan Hubicka  <jh@suse.cz>
9404
9405         PR target/39361
9406         * tree-inline.c (setup_one_parameter): Do replacement of const
9407         argument by constant in SSA form.
9408
9409 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9410
9411         PR middle-end/38028
9412         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
9413         determine alignment passed to assign_stack_local.
9414         (assign_parms_unsplit_complex): Likewise.
9415         * except.c (sjlj_build_landing_pads): Likewise.
9416
9417 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9418
9419         PR middle-end/39360
9420         * tree-flow.h (add_referenced_var): Return bool instead of void.
9421         * tree-dfa.c (add_referenced_var): Return result of
9422         referenced_var_check_and_insert call.
9423         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
9424         of referenced_var_check_and_insert.
9425
9426         PR debug/39372
9427         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
9428         (gen_variable_die): Emit DW_AT_location on abstract static variable's
9429         DIE, don't emit it if abstract origin already has it.
9430         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
9431         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
9432
9433 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9434
9435         * genpreds.c (needs_variable): Fix parentheses at variable name
9436         detection.
9437         (write_tm_constrs_h): Indent generated code.
9438
9439 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9440
9441         * doc/extend.texi (Function Attributes): Add documentation
9442         for isr attributes.
9443
9444 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9445
9446         PR debug/39387
9447         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
9448         take locus from its DECL_SOURCE_LOCATION instead of input_location.
9449
9450 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
9451
9452         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
9453         the loop as bad.
9454
9455 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
9456
9457         PR debug/39379
9458         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
9459         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
9460
9461 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
9462
9463         * config/i386/i386.md (R8_REG, R9_REG): New constants.
9464         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
9465         constants instead of magic numbers.
9466         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
9467         (QI_REG_P): Ditto.
9468         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
9469         (x86_64_ms_abi_int_parameter_registers): Ditto.
9470         (x86_64_int_return_registers): Ditto.
9471         (ix86_maybe_switch_abi): Ditto.
9472         (ix86_expand_call): Ditto for clobbered_registers array.
9473         (ix86_hard_regno_mode_ok): Ditto.
9474         (x86_extended_QIreg_mentioned_p): Ditto.
9475
9476 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
9477
9478         PR tree-optimization/39349
9479         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
9480
9481         * combine.c (gen_lowpart_for_combine): Use omode when generating
9482         clobber.
9483
9484 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
9485
9486         PR rtl-optimization/39235
9487         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
9488
9489 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9490
9491         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
9492
9493 2009-03-04  Richard Guenther  <rguenther@suse.de>
9494
9495         PR tree-optimization/39362
9496         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
9497         that occur in abnormal PHIs should be varying.
9498
9499 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9500
9501         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
9502         Extend comments.
9503         (simple_iv):  Take loop as an argument instead of statement.
9504         * tree-scalar-evolution.h (simple_iv): Declaration changed.
9505         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
9506         to simple_iv.
9507         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
9508         Ditto.
9509         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
9510         * matrix-reorg.c (analyze_transpose): Ditto.
9511         * tree-data-ref.c (dr_analyze_innermost): Ditto.
9512         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
9513         * tree-predcom.c (ref_at_iteration): Ditto.
9514         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
9515
9516 2009-03-04  Richard Guenther  <rguenther@suse.de>
9517
9518         PR tree-optimization/39358
9519         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
9520         escaped_id and callused_id.
9521         (solve_graph): Likewise.
9522
9523 2009-03-04  Richard Guenther  <rguenther@suse.de>
9524
9525         PR tree-optimization/39339
9526         * tree-sra.c (try_instantiate_multiple_fields): Make it
9527         no longer ICE on the above.
9528
9529 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
9530
9531         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
9532         that fits within Pmode.
9533
9534 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9535
9536         PR middle-end/10109
9537         * tm.texi (LIBCALL_VALUE): Update description.
9538
9539 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9540
9541         PR middle-end/34443
9542         * doc/extend.texi (section): Update description.
9543
9544 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
9545
9546         PR middle-end/39345
9547         * tree-inline.c (remapped_type): New.
9548         (can_be_nonlocal): Call remapped_type instead of remap_type.
9549
9550 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9551
9552         PR fortran/39354
9553         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
9554         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
9555
9556 2009-03-03  Richard Guenther  <rguenther@suse.de>
9557
9558         PR middle-end/39272
9559         * tree.c (tree_nonartificial_location): New function.
9560         * tree.h (tree_nonartificial_location): Declare.
9561         * builtins.c (expand_builtin_memory_chk): Provide location
9562         of the call location for artificial function pieces.
9563         (maybe_emit_chk_warning): Likewise.
9564         (maybe_emit_sprintf_chk_warning): Likewise.
9565         (maybe_emit_free_warning): Likewise.
9566         * expr.c (expand_expr_real_1): Likewise.
9567
9568 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9569
9570         PR tree-optimization/39343
9571         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
9572         COMPONENT_REF t has ARRAY_TYPE.
9573
9574 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
9575
9576         PR middle-end/39335
9577         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
9578         when the type precision of the induction variable should be
9579         larger than the type precision of nit.
9580         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
9581         * graphite.c (graphite_loop_normal_form): Same.
9582         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
9583
9584 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9585
9586         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
9587         (*call_1_rex64_ms_sysv): Use named constants instead of magic
9588         numbers to describe clobbered registers.
9589         (*call_value_0_rex64_ms_sysv): Ditto.
9590         * config/i386/mmx.md (mmx_emms): Ditto.
9591         (mmx_femms): Ditto.
9592
9593 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
9594
9595         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
9596         of ABI_64.
9597
9598 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9599
9600         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
9601         (spu_section_type_flags): New function.
9602
9603 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9604
9605         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
9606         reg_class_contents of FLOAT_REGS into a temporary.
9607
9608 2009-03-02  Richard Guenther  <rguenther@suse.de>
9609             Ira Rosen  <irar@il.ibm.com>
9610
9611         PR tree-optimization/39318
9612         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
9613         information to the vectorized statement.
9614
9615 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
9616
9617         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
9618         variable.  Use defined names instead of magic constants for REX SSE
9619         registers.
9620
9621 2009-03-01  Richard Guenther  <rguenther@suse.de>
9622
9623         PR tree-optimization/39331
9624         * omp-low.c (lower_send_shared_vars): Do not receive new
9625         values for the reference of DECL_BY_REFERENCE parms or results.
9626
9627 2009-03-01  Jan Hubicka  <jh@suse.cz>
9628
9629         PR debug/39267
9630         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
9631         BLOCK_NONLOCALIZED_VAR): New macros.
9632         (tree_block): Add nonlocalized_vars.
9633         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
9634         gen_decl_die): Add origin argument.  Allow generation of die with
9635         origin at hand only.
9636         (gen_member_die, gen_type_die_with_usage, force_decl_die,
9637         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
9638         of gen_*.
9639         (gen_block_die): Fix checking for unused blocks.
9640         (process_scope_var): Break out from .... ; work with origins only.
9641         (decls_for_scope) ... here; process nonlocalized list.
9642         (dwarf2out_ignore_block): Look for nonlocalized vars.
9643         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
9644         vars.
9645         (dump_scope_block): Dump them.
9646         * tree-inline.c (remap_decls): Handle nonlocalized vars.
9647         (remap_block): Likewise.
9648         (can_be_nonlocal): New predicate.
9649         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
9650
9651 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9652
9653         * configure: Regenerate.
9654
9655 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9656
9657         * optc-gen.awk: No need to duplicate option flags twice.
9658         Reuse help texts for duplicate options which do not have any.
9659
9660         * gcc.c (display_help): Document --version.
9661
9662         * gcc.c (main): If print_help_list and verbose_flag, ensure
9663         driver output comes before subprocess output.
9664
9665         * optc-gen.awk: Assign all remaining fields to help string,
9666         space-separated, for multi-line help in *.opt.
9667
9668         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
9669         -Wno-pedantic-ms-format is for MinGW targets only.
9670
9671         * doc/options.texi (Option file format): Fix bad indentation,
9672         restoring dropped sentence.
9673
9674 2009-02-28  Jan Hubicka  <jh@suse.cz>
9675
9676         * tree-inline.c (tree_function_versioning): Output debug info.
9677
9678 2009-02-28  Jan Hubicka  <jh@suse.cz>
9679
9680         PR debug/39267
9681         * tree-inline.c (setup_one_parameter): Do not copy propagate
9682         arguments when not optimizing.
9683
9684 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
9685
9686         PR target/39327
9687         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9688         (avx_addsubv4df3): Likewise.
9689         (*avx_addsubv4sf3): Likewise.
9690         (sse3_addsubv4sf3): Likewise.
9691         (*avx_addsubv2df3): Likewise.
9692         (sse3_addsubv2df3): Likewise.
9693         (avx_unpckhps256): Correct item selectors.
9694         (avx_unpcklps256): Likewise.
9695         (avx_unpckhpd256): Likewise.
9696         (avx_unpcklpd256): Likewise.
9697
9698 2009-02-28  Jan Hubicka  <jh@suse.cz>
9699
9700         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
9701         static vars.
9702         (copy_arguments_for_versioning): If var is declared don't declare it.
9703         (tree_function_versioning): First setup substitutions and then copy
9704         args.
9705
9706 2009-02-27  Jan Hubicka  <jh@suse.cz>
9707
9708         PR debug/39267
9709         * cgraph.h (varpool_output_debug_info): Remove.
9710         * cgraphunit.c (varpool_output_debug_info): Remove.
9711         * dwarf2out.c (deferred_locations_struct): New struct
9712         (deferred_locations): New type.
9713         (deferred_locations_list): New static var.
9714         (deffer_location): New function.
9715         (gen_variable_die): Use it.
9716         (decls_for_scope): Output info on local static vars.
9717         (dwarf2out_finish): Process deferred locations.
9718         * varpool.c (varpool_output_debug_info): Remove.
9719
9720 2009-02-27  Jan Hubicka  <jh@suse.cz>
9721
9722         PR debug/39267
9723         * tree.h (TREE_PROTECTED): Fix comment.
9724         (BLOCK_HANDLER_BLOCK): Remove.
9725         (struct tree_block): Remove handler_block add body_block.
9726         (inlined_function_outer_scope_p): New.
9727         (is_body_block): Remove.
9728         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
9729         * dwarf2out.c (is_inlined_entry_point): Remove.
9730         (add_high_low_attributes): Use inlined_function_outer_scope_p.
9731         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
9732         code.
9733         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
9734         * gimplify.c (gimplify_expr): Gimplify body blocks.
9735         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
9736         block with multiple subblocks.
9737         (dump_scope_block): Prettier output; dump more flags and info.
9738         (dump_scope_blocks): New.
9739         (remove_unused_locals): Use dump_scope_blocks.
9740         * tree-flow.h (dump_scope_blocks): Declare.
9741         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
9742         * stmt.c (is_body_block): Remove.
9743         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
9744         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
9745
9746 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
9747
9748         PR middle-end/39308
9749         * graphite.c (graphite_loop_normal_form): Do not call
9750         number_of_iterations_exit from a gcc_assert.
9751
9752 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9753
9754         * config/s390/s390.c (s390_swap_cmp): Look for conditional
9755         jumps if COND is NULL.
9756         (find_cond_jump): New function.
9757         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
9758         * config/s390/s390.md: Remove z10_cobra attribute value.
9759
9760 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
9761
9762         * config/alpha/alpha.h (alpha_expand_mov): Return false if
9763         force_const_mem returns NULL_RTX.
9764
9765 2009-02-26  Jan Hubicka  <jh@suse.cz>
9766
9767         PR debug/39267
9768         * cgraph.h (varpool_output_debug_info): Remove.
9769         * cgraphunit.c (varpool_output_debug_info): Remove.
9770         * dwarf2out.c (deferred_locations_struct): New struct
9771         (deferred_locations): New type.
9772         (deferred_locations_list): New static var.
9773         (deffer_location): New function.
9774         (gen_variable_die): Use it.
9775         (decls_for_scope): Output info on local static vars.
9776         (dwarf2out_finish): Process deferred locations.
9777         * varpool.c (varpool_output_debug_info): Remove.
9778
9779 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
9780
9781         PR rtl-optimization/39241
9782         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
9783         to subreg_offset_representable_p.
9784
9785 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9786
9787         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
9788         execute function prototype.  Get f and nregs from max_reg_num
9789         and get_insns.  Remove the first backward pass as it's dead,
9790         guard the forward pass by flag_expensive_optimizations.
9791         (rest_of_handle_regmove): Delete.
9792         (pass_regmove): Replace it with regmove_optimize.
9793
9794 2009-02-25  Martin Jambor  <mjambor@suse.cz>
9795
9796         PR tree-optimization/39259
9797         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
9798         calls_alloca function flags.
9799         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
9800         calls are detected.
9801
9802 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9803
9804         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
9805         flags_set_1_rtx, flags_set_1_set): Delete.
9806         (regmove_optimize): Do not call mark_flags_life_zones.
9807
9808 2009-02-24  Julian Brown  <julian@codesourcery.com>
9809
9810         PR target/35965
9811         * config/arm/arm.c (require_pic_register): Only set
9812         cfun->machine->pic_reg once per function.
9813
9814 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
9815
9816         * doc/invoke.texi (Link Options): Document an easier way to pass
9817         options that take arguments to the GNU linker using -Xlinker and -Wl.
9818
9819 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
9820
9821         PR target/33785
9822         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
9823
9824 2009-02-24  Richard Guenther  <rguenther@suse.de>
9825
9826         PR debug/39285
9827         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
9828
9829 2009-02-24  Richard Guenther  <rguenther@suse.de>
9830             Zdenek Dvorak  <ook@ucw.cz>
9831
9832         PR tree-optimization/39233
9833         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
9834         from converting them to a generic type.
9835
9836 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
9837
9838         PR tree-optimization/39260
9839         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
9840         contains a condition with a real type.
9841         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
9842
9843 2009-02-23  Jason Merrill  <jason@redhat.com>
9844
9845         PR c++/38880
9846         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
9847         narrowing_initializer_constant_valid_p.
9848         (narrowing_initializer_constant_valid_p): Don't return
9849         null_pointer_node for adding a pointer to itself.
9850
9851 2009-02-23  Jan Hubicka  <jh@suse.cz>
9852
9853         PR c/12245
9854         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
9855         resizing.
9856
9857 2009-02-23  Jan Hubicka  <jh@suse.cz>
9858
9859         PR tree-optimization/37709
9860         * tree.c (block_ultimate_origin): Move here from dwarf2out.
9861         * tree.h (block_ultimate_origin): Declare.
9862         * dwarf2out.c (block_ultimate_origin): Move to tree.c
9863         * tree-ssa-live.c (remove_unused_scope_block_p):
9864         Eliminate blocks containig no instructions nor live variables nor
9865         nested blocks.
9866         (dump_scope_block): New function.
9867         (remove_unused_locals): Enable removal of dead blocks by default;
9868         enable dumping at TDF_DETAILS.
9869
9870 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9871
9872         * config/i386/i386.c (classify_argument): Don't allow COImode
9873         and OImode.
9874         (function_arg_advance_32): Don't allow OImode.
9875         (function_arg_32): Likewise.
9876         (function_value_32): Likewise.
9877         (return_in_memory_32): Likewise.
9878         (function_arg_64): Remove OImode comment.
9879
9880 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9881
9882         PR target/39261
9883         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
9884         ix86_expand_vector_set for V4DImode in 64bit mode only.
9885         (ix86_expand_vector_init_one_var): Likewise.
9886
9887 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
9888
9889         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
9890
9891 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9892
9893         PR bootstrap/39257
9894         * loop-iv.c: Revert last change.
9895         * emit-rtl.c: Likewise.
9896
9897 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9898
9899         PR target/39256
9900         * config/i386/i386.c (type_natural_mode): Remove an extra
9901         space in the warning message.
9902         (function_value_32): Handle 32-byte vector modes.
9903         (return_in_memory_32): Likewise.
9904
9905 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9906
9907         * loop-iv.c (truncate_value): New function.
9908         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
9909         of lowpart_subreg.
9910         (lowpart_subreg): Move to...
9911         * emit-rtl.c: ...here.
9912
9913 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
9914
9915         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
9916         accidental and undocumented change at revision 140860.
9917
9918 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
9919
9920         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
9921         take gimple_seq * arguments.
9922         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
9923         types_compatible_p langhook.
9924
9925 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
9926             Joseph Myers  <joseph@codesourcery.com>
9927
9928         * config/arm/arm.c (arm_builtin_va_list): New function.
9929         (arm_expand_builtin_va_start): Likewise.
9930         (arm_gimplify_va_arg_expr): Likewise.
9931         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
9932         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
9933         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
9934         (va_list_type): New variable.
9935         (arm_mangle_type): Mangle va_list_type appropriately.
9936
9937 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9938
9939         PR middle-end/39157
9940         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
9941         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
9942         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
9943         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
9944         parameter to 1000 for -O1 by default.
9945         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
9946         parameter.
9947         * loop-invariant.c: Include params.h.
9948         (move_loop_invariants): Don't call move_single_loop_invariants on
9949         very large loops.
9950
9951 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
9952
9953         * calls.c (emit_library_call_value_1): Use slot_offset instead of
9954         offset when calculating bounds for indexing stack_usage_map.  Fixes
9955         a buffer overflow with certain target setups.
9956
9957 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9958
9959         PR target/39240
9960         * calls.c (expand_call): Clear try_tail_call if caller and callee
9961         disagree in promotion of function return value.
9962
9963 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
9964
9965         PR target/39175
9966         * c-common.c (c_determine_visibility): If visibility changed and
9967         DECL_RTL has been already set, call make_decl_rtl to update symbol
9968         flags.
9969
9970 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
9971
9972         PR c++/39188
9973         * varasm.c (assemble_variable): Don't check DECL_NAME when
9974         globalizing a variable.
9975
9976 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
9977
9978         PR c/38483
9979         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
9980         expression before any __builtin_trap call.
9981         * c-typeck.c (build_function_call): Convert and check function
9982         arguments before generating a call to a trap.  Evaluate the
9983         function arguments before the trap.
9984
9985 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
9986
9987         PR target/39228
9988         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
9989         (UNSPEC_FXAM_MEM): New unspec.
9990         (fxam<mode>2_i387_with_temp): New insn and split pattern.
9991         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
9992         memory using fxam<mode>2_i387_with_temp to remove excess precision.
9993
9994 2009-02-19  Richard Guenther  <rguenther@suse.de>
9995
9996         PR tree-optimization/39207
9997         PR tree-optimization/39074
9998         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
9999         storedanything_tree): New.
10000         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
10001         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
10002         (build_succ_graph): Add edges from STOREDANYTHING to all
10003         non-direct nodes.
10004         (init_base_vars): Initialize STOREDANYTHING.
10005         (compute_points_to_sets): Free substitution info after
10006         building the succ graph.
10007         (ipa_pta_execute): Likewise.
10008
10009         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
10010         field.
10011         (do_ds_constraint): Do not add to special var or non-pointer
10012         field solutions.
10013         (type_could_have_pointers): Split out from ...
10014         (could_have_pointers): ... here.  For arrays use the element type.
10015         (create_variable_info_for): Initialize may_have_pointers.
10016         (new_var_info): Likewise.
10017         (handle_lhs_call): Make the HEAP variable unknown-sized.
10018         (intra_create_variable_infos): Use a type with pointers for
10019         PARM_NOALIAS, make it unknown-sized.
10020
10021 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
10022
10023         PR target/39224
10024         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
10025
10026 2009-02-18  Jason Merrill  <jason@redhat.com>
10027
10028         PR target/39179
10029         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
10030         value if DECL_EXTERNAL.
10031         * tree-sra.c (sra_walk_gimple_assign): Likewise.
10032         * target.h (gcc_target::binds_local_p): Clarify "module".
10033         * tree.h (TREE_PUBLIC): Clarify "module".
10034
10035 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
10036
10037         PR target/38891
10038         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
10039         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
10040
10041 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
10042
10043         PR target/39082
10044         * c.opt (Wabi): Support C and ObjC.
10045         (Wpsabi): New.
10046
10047         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
10048
10049         * config/i386/i386.c (classify_argument): Warn once about the ABI
10050         change when passing union with long double.
10051
10052         * doc/invoke.texi: Update -Wabi for warning psABI changes.
10053
10054 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
10055
10056         PR c/35447
10057         * c-parser.c (c_parser_compound_statement): Always enter and leave
10058         a scope.
10059
10060 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10061
10062         PR target/34587
10063         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
10064
10065 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
10066
10067         PR tree-optimization/36922
10068         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
10069         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
10070         Likewise.
10071
10072 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10073
10074         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
10075         to 0 for EABI64.
10076
10077 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10078
10079         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
10080
10081 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10082
10083         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
10084         tree sharing.
10085
10086 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
10087             Richard Sandiford  <rdsandiford@googlemail.com>
10088
10089         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
10090         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
10091         (loongson_biadd): ...this.
10092
10093 2009-02-17  Richard Guenther  <rguenther@suse.de>
10094
10095         PR tree-optimization/39202
10096         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
10097         a var make sure to follow existing collapses.
10098
10099 2009-02-17  Richard Guenther  <rguenther@suse.de>
10100
10101         PR middle-end/39214
10102         * langhooks.c (lhd_print_error_function): Check for NULL block.
10103
10104 2009-02-17  Richard Guenther  <rguenther@suse.de>
10105
10106         PR tree-optimization/39204
10107         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
10108         of the PHI arg.
10109
10110 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
10111
10112         * config/soft-fp/double.h: Update from glibc CVS.
10113
10114 2009-02-17  Richard Guenther  <rguenther@suse.de>
10115
10116         PR tree-optimization/39207
10117         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
10118         strict-aliasing warnings for pointers pointing to NULL.
10119
10120 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
10121
10122         PR c/35446
10123         * c-parser.c (c_parser_braced_init): Call pop_init_level when
10124         skipping until next close brace.
10125
10126 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
10127
10128         PR target/37049
10129         * config/i386/i386.c (ix86_expand_push): Set memory alignment
10130         to function argument boundary.
10131
10132 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10133
10134         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
10135         in the lea_add. Reload eventually constraints it properly.
10136         * config/picochip/constraints.md: Remove the target constraint
10137         "b", since it is not needed anymore.
10138
10139 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
10140
10141         * gthr-dce.h: Uglify function parameter and local variable names.
10142         * gthr-gnat.h: Likewise.
10143         * gthr-mipssde.h: Likewise.
10144         * gthr-nks.h: Likewise.
10145         * gthr-posix95.h: Likewise.
10146         * gthr-posix.h: Likewise.
10147         * gthr-rtems.h: Likewise.
10148         * gthr-single.h: Likewise.
10149         * gthr-solaris.h: Likewise.
10150         * gthr-tpf.h: Likewise.
10151         * gthr-vxworks.h: Likewise.
10152         * gthr-win32.h: Likewise.
10153
10154 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
10155
10156         PR target/39196
10157         * config/i386/i386.md: Restrict the new peephole2 to move
10158         between MMX/SSE registers.
10159
10160 2009-02-15  Richard Guenther  <rguenther@suse.de>
10161
10162         Revert
10163         2009-02-13  Richard Guenther  <rguenther@suse.de>
10164
10165         * configure.ac: Enable LFS.
10166         * configure: Re-generate.
10167         * config.in: Likewise.
10168
10169 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10170
10171         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
10172         spu_srqwbyte, spu_srqwbytebc): Define.
10173         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
10174         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
10175         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
10176         "shrqby_<mode>"): New insn-and-split patterns.
10177         * config/spu/spu.c (expand_builtin_args): Determine and return
10178         number of operands using spu_builtin_description data.
10179         (spu_expand_builtin_1): Use it.
10180
10181 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
10182
10183         PR target/38056
10184         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
10185         TARGET_CONST_GP.
10186
10187 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10188
10189         PR target/39149
10190         * config/i386/i386.c (override_options): Correct warning
10191         messages for -malign-loops, -malign-jumps and -malign-functions.
10192
10193 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10194
10195         PR target/39152
10196         * config/i386/i386.md: Restrict the new peephole2 to move
10197         between the general purpose registers.
10198
10199 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10200
10201         PR target/39162
10202         * config/i386/i386.c (type_natural_mode): Add a new argument.
10203         Return the original mode and warn ABI change if vector size is 32byte.
10204         (function_arg_advance): Updated.
10205         (function_arg): Likewise.
10206         (ix86_function_value): Likewise.
10207         (ix86_return_in_memory): Likewise.
10208         (ix86_sol10_return_in_memory): Likewise.
10209         (ix86_gimplify_va_arg): Likewise.
10210         (function_arg_32): Don't warn ABX ABI change here.
10211         (function_arg_64): Likewise.
10212
10213 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
10214
10215         * loop-iv.c (implies_p): In the final case, test that operands 0
10216         of the two comparisons match.
10217
10218         * config/bfin/bfin.c (find_prev_insn_start): New function.
10219         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
10220         (find_next_insn_start): Move.
10221
10222 2009-02-13  Richard Guenther  <rguenther@suse.de>
10223
10224         * configure.ac: Enable LFS.
10225         * configure: Re-generate.
10226         * config.in: Likewise.
10227
10228 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
10229
10230         PR c/35444
10231         * c-parser.c (c_parser_parms_list_declarator): Discard pending
10232         sizes on syntax error after some arguments have been parsed.
10233
10234 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10235
10236         * doc/invoke.texi (-fira): Remove.
10237
10238 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10239
10240         * caller-save.c: Replace regclass.c with reginfo.c in comments.
10241         * recog.c: Likewise.
10242         * rtl.h: Likewise.
10243
10244 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
10245
10246         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
10247         (umul_ppmm): Likewise.
10248         (count_leading_zeros): Likewise.
10249         (count_trailing_zeros): Likewise.
10250         (UMUL_TIME): Likewise.
10251
10252 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10253
10254         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
10255         soft-fp/t-softfp to tmake_file.
10256
10257         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
10258         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
10259         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
10260         IA64_BUILTIN_INFQ]: New.
10261         (ia64_init_builtins): Initialize __builtin_infq,
10262         __builtin_fabsq and __builtin_copysignq if not HPUX.
10263         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
10264         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
10265
10266         * config/ia64/lib1funcs.asm (__divtf3): Define only if
10267         SHARED is defined.
10268         (__fixtfti): Likewise.
10269         (__fixunstfti): Likewise.
10270         (__floattitf): Likewise.
10271
10272         * config/ia64/libgcc-glibc.ver: New.
10273         * config/ia64/t-fprules-softfp: Likewise.
10274         * config/ia64/sfp-machine.h: Likewise.
10275
10276         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
10277         (LIBGCC2_TF_CEXT): Likewise.
10278         (TF_SIZE): Likewise.
10279         (TARGET_INIT_LIBFUNCS): Likewise.
10280
10281         * config/ia64/t-glibc (SHLINB_MAPFILES):
10282         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
10283
10284 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10285
10286         * config/i386/i386.c (construct_container): Rewrite processing
10287         BLKmode with X86_64_SSE_CLASS.
10288
10289 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
10290
10291         PR target/39152
10292         * config/i386/i386.md: Replace simplify_replace_rtx with
10293         replace_rtx in the new peephole2.
10294
10295 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
10296
10297         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
10298         loop unrolling do not happen at -O2.
10299
10300 2009-02-12  Michael Matz  <matz@suse.de>
10301
10302         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
10303
10304 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10305
10306         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
10307         for -g3.
10308
10309 2009-02-12  Ben Elliston  <bje@au.ibm.com>
10310
10311         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
10312         patterns when updating the back chain.  Missed in the 2009-02-10
10313         change.
10314
10315 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
10316
10317         * doc/extend.texi (Decimal Floating Types): Update identifier of
10318         draft TR and list of missing support.
10319
10320 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
10321
10322         PR middle-end/39154
10323         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
10324         bit to variable length decl's flags, add it also to its
10325         pointer replacement variable.
10326
10327 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
10328             Jakub Jelinek  <jakub@redhat.com>
10329
10330         PR target/39118
10331         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
10332         (memory_blockage): New expander.
10333         (*memory_blockage): New insn pattern.
10334         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
10335         instead of general blockage at the end of function prologue when
10336         frame pointer is used to access red zone area.  Do not emit blockage
10337         when profiling, it is emitted in generic code.
10338         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
10339         function epilogue when frame pointer is used to access red zone area.
10340
10341 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
10342
10343         PR target/38824
10344         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
10345         by arithmetic with memory operands.
10346         * config/i386/predicates.md (commutative_operator): New.
10347
10348 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
10349
10350         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
10351         bulleted lists.
10352
10353 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
10354
10355         * alias.h (record_alias_subset): Declare.
10356         * alias.c (record_alias_subset): Make global.
10357
10358 2009-02-10  Nick Clifton  <nickc@redhat.com>
10359
10360         * tree-parloops.c: Change license to GPLv3.
10361         * ipa-struct-reorg.c: Change license to GPLv3.
10362         * ipa-struct-reorg.h: Change license to GPLv3.
10363
10364 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
10365
10366         PR c/39084
10367         * c-decl.c (start_struct): Return NULL on error.
10368
10369 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
10370
10371         PR middle-end/39124
10372         * cfgloopmanip.c (remove_path): Call remove_bbs after
10373         cancel_loop_tree, not before it.
10374
10375         PR target/39139
10376         * function.h (struct function): Add has_local_explicit_reg_vars bit.
10377         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
10378         VAR_DECLs were seen.
10379         * tree-ssa-live.c (remove_unused_locals): Recompute
10380         cfun->has_local_explicit_reg_vars.
10381         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
10382         copies or clearings if cfun->has_local_explicit_reg_vars.
10383
10384 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
10385
10386         PR target/39118
10387         * config/i386/i386.c (expand_prologue): Emit blockage at the end
10388         of function prologue when frame pointer is used to access
10389         red zone area.
10390
10391 2009-02-10  Richard Guenther  <rguenther@suse.de>
10392
10393         PR middle-end/39127
10394         * gimplify.c (gimple_regimplify_operands): Always look if
10395         we need to create a temporary.
10396
10397 2009-02-10  Richard Guenther  <rguenther@suse.de>
10398
10399         PR tree-optimization/39132
10400         * tree-loop-distribution.c (todo): New global var.
10401         (generate_memset_zero): Trigger TODO_rebuild_alias.
10402         (tree_loop_distribution): Return todo.
10403
10404 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
10405
10406         PR target/39119
10407         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
10408         (x86_64_reg_class_name): Removed.
10409         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
10410         first one isn't X86_64_SSE_CLASS or any other ones aren't
10411         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
10412         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
10413         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
10414         and 3 X86_64_SSEUP_CLASS.
10415         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
10416         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
10417
10418 2009-02-10  Ben Elliston  <bje@au.ibm.com>
10419
10420         * config/rs6000/rs6000.md (allocate_stack): Always use an update
10421         form instruction to update the stack back chain word, even if the
10422         user has disabled the generation of update instructions.
10423         (movdi_<mode>_update_stack): New.
10424         (movsi_update_stack): Likewise.
10425         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
10426         always use an update form instruction to update the stack back
10427         chain word.
10428
10429 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
10430
10431         PR middle-end/38953
10432         * graphite.c (if_region_set_false_region): After moving a region in
10433         the false branch of a condition, remove the empty dummy basic block.
10434         (gloog): Remove wrong fix for PR38953.
10435
10436 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10437
10438         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
10439         generation due to implicit sign extension.
10440
10441 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
10442
10443         PR middle-end/38981
10444         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
10445         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
10446
10447 2009-02-09  Richard Guenther  <rguenther@suse.de>
10448
10449         PR middle-end/35202
10450         * convert.c (convert_to_real): Disable (float)fn((double)x)
10451         to fnf(x) conversion if errno differences may occur and
10452         -fmath-errno is set.
10453
10454 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
10455
10456         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
10457         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10458         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10459
10460 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10461
10462         PR c/35434
10463         * c-common.c (handle_alias_attribute): Disallow attribute for
10464         anything not a FUNCTION_DECL or VAR_DECL.
10465
10466 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
10467
10468         PR c/39035
10469         * real.c (do_compare): Special-case compare of zero against
10470         decimal float value.
10471
10472 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10473
10474         PR c/36432
10475         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
10476         as indicating flexible array members unless the field itself is
10477         being declarared as the incomplete array.
10478
10479 2009-02-06  Jan Hubicka  <jh@suse.cz>
10480
10481         PR tree-optimization/38844
10482         * ipa-inline.c (try_inline): Stop inlining recursion when edge
10483         is already inlined.
10484
10485 2009-02-06  Richard Guenther  <rguenther@suse.de>
10486
10487         PR middle-end/38977
10488         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
10489         fork because we may expand it as __gcov_fork.
10490
10491 2009-02-06  Nick Clifton  <nickc@redhat.com>
10492
10493         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
10494
10495 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
10496
10497         PR tree-optimization/35659
10498         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
10499         vn_phi_eq): Shortcut if hashcode does not match.
10500         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
10501         NULL operands.
10502         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
10503         and avoid iterative_hash_expr.
10504         (FOR_EACH_VALUE_ID_IN_SET): New.
10505         (value_id_compare): Remove.
10506         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
10507         sort expressions by value id.
10508
10509 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
10510
10511         PR target/38991
10512         * config/sh/predicates.md (general_movsrc_operand): Don't check
10513         the subreg of system registers here.
10514
10515 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
10516
10517         PR c++/39106
10518         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
10519         on the copied decl.
10520
10521 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
10522
10523         PR rtl-optimization/39110
10524         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
10525         addresses, not aligned ones.
10526
10527 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
10528             Richard Guenther  <rguenther@suse.de>
10529
10530         PR tree-optimization/39100
10531         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
10532         comment says and add edges.
10533
10534 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
10535
10536         PR c/35435
10537         * c-common.c (handle_tls_model_attribute): Ignore attribute for
10538         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
10539
10540 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
10541
10542         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
10543         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
10544         register_bb_in_sese, new_sese, free_sese): Moved.
10545         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
10546         outermost_loop_in_scop, build_scop_iteration_domain,
10547         expand_scalar_variables_ssa_name, get_vdef_before_scop,
10548         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
10549         Use loop_in_sese_p instead of loop_in_scop_p.
10550         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
10551         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
10552         (scopdet_basic_block_info): Fix bug in scop detection.
10553         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
10554         eq_loop_to_cloog_loop): Remove.
10555         (nb_loops_around_loop_in_scop, nb_loop
10556         ref_nb_loops): Moved here...
10557         * graphite.h (ref_nb_loops): ... from here.
10558         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
10559         (loop_domain_dim, loop_iteration_vector_dim): Remove.
10560         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
10561         * testsuite/gcc.dg/graphite/scop-19.c: New
10562
10563 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
10564             Hans-Peter Nilsson  <hp@axis.com>
10565
10566         PR rtl-optimization/37889
10567         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
10568         Move offset handling from PLUS to before the switch.  Use new
10569         arguments when considering SYMBOL_REFs too.
10570         (rtx_addr_can_trap_p): Pass dummy offset and size.
10571         (enum may_trap_p_flags): Remove.
10572         (may_trap_p_1): Pass size from MEM_SIZE.
10573
10574         PR rtl-optimization/38921
10575         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
10576         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
10577         * rtlanal.c (may_trap_after_code_motion_p): Delete.
10578         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
10579
10580 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
10581
10582         AVX Programming Reference (January, 2009)
10583         * config/i386/sse.md (*vpclmulqdq): New.
10584
10585 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
10586
10587         PR tree-optimization/38977
10588         PR gcov-profile/38292
10589         * calls.c (special_function_p): Disregard __builtin_ prefix.
10590
10591 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
10592
10593         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
10594         non-indexable addresses even before reload.
10595
10596 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10597
10598         PR c/29129
10599         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
10600         as having variable size.  Do not give an error for unnamed
10601         parameters with [*] declarators.  Give a warning for type names
10602         with [*] declarators and mark them as variable size.
10603         * c-parser.c (c_parser_sizeof_expression): Do not give an error
10604         for sizeof applied to [*] type names.
10605
10606 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10607
10608         PR C++/36607
10609         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
10610
10611 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10612
10613         * gcc.c (process_command): Update copyright notice dates.
10614         * gcov.c (print_version): Likewise.
10615         * gcov-dump.c (print_version): Likewise.
10616         * mips-tfile.c (main): Likewise.
10617         * mips-tdump.c (main): Likewise.
10618
10619 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10620
10621         PR c/35433
10622         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
10623         for composite type involving a zero-length array type.
10624
10625 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10626
10627         PR target/35318
10628         * function.c (match_asm_constraints_1): Skip over
10629         initial optional % in the constraint.
10630
10631         PR inline-asm/39059
10632         * c-parser.c (c_parser_postfix_expression): If fixed point is not
10633         supported, don't accept FIXED_CSTs.
10634         * c-decl.c (finish_declspecs): Error if fixed point is not supported
10635         and _Sat is used without _Fract/_Accum.  Set specs->type to
10636         integer_type_node for cts_fract/cts_accum if fixed point is not
10637         supported.
10638
10639 2009-02-02  Catherine Moore  <clm@codesourcery.com>
10640
10641         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
10642
10643 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
10644
10645         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
10646         (ABI_HAS_64BIT_SYMBOLS): Use it.
10647         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
10648
10649 2009-02-02  Paul Brook  <paul@codesourcery.com>
10650
10651         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
10652
10653 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
10654
10655         PR inline-asm/39058
10656         * recog.h (asm_operand_ok): Add constraints argument.
10657         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
10658         recurse on matching constraint.
10659         (check_asm_operands): Pass constraints as 3rd argument to
10660         asm_operand_ok.  Don't look up matching constraint here.
10661         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
10662         to asm_operand_ok.
10663
10664 2009-02-02  Ben Elliston  <bje@au.ibm.com>
10665
10666         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
10667         TARGET_NARROW_VOLATILE_BITFIELD macro names.
10668
10669 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10670
10671         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
10672         information.  Remove some obsolete information.  Reorganize.
10673
10674         * config/pa/fptr.c: Revert license to GPL 2.
10675         * config/pa/milli64.S: Likewise.
10676
10677 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10678
10679         PR target/38904
10680         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
10681         LIBRARY name in, instead of hard-coding it.
10682         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
10683         extra target make frag to tmake_files according to EH model.
10684         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
10685         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
10686         frags that define makefile variable EH_MODEL appropriately.
10687         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
10688         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
10689         to "-sjlj" according to type of EH configured.
10690         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10691         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
10692         to "_sjlj" according to type of EH configured.
10693         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10694         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
10695         (SHLIB_LINK):  Add missing semicolon to if-else construct.
10696         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10697         string value of "pe_dll" command-line option.
10698         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
10699         (SHLIB_SONAME):  Use it when overriding t-cygming default.
10700         (SHLIB_IMPLIB):  Override t-cygming default.
10701         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10702         string value of "pe_dll" command-line option.
10703
10704 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10705
10706         PR target/38952
10707         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
10708         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
10709
10710 2009-01-31  Richard Guenther  <rguenther@suse.de>
10711
10712         PR tree-optimization/38937
10713         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
10714         computing the transitive closure.
10715
10716 2009-01-30  Richard Guenther  <rguenther@suse.de>
10717
10718         PR tree-optimization/39041
10719         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
10720         Propagate variable indices only if the types match for this stmt.
10721
10722 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
10723
10724         PR target/39013
10725         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
10726         inline but never defined.
10727
10728 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
10729
10730         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
10731         (*insv_h_di_reg_extimm): New insn.
10732         (*insv_l<mode>_reg_extimm): New insn.
10733
10734 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10735
10736         * config/picochip/picochip.c (flag_conserve_stack): set
10737         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
10738         fconserve-stack. Reduce call-overhead used by inliner.
10739
10740 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10741
10742         PR/38157
10743         * common.opt (flag_conserve_stack): Initialised to zero.
10744
10745 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
10746
10747         PR/39002
10748         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
10749         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
10750         method.
10751
10752 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10753
10754         * ira-color.c (allocno_reload_assign): Update comments.
10755         * regmove.c (regmove_optimize): Likewise.
10756
10757         * ra.h: Removed.
10758
10759 2009-01-29  Robert Millan  <rmh@aybabtu.com>
10760
10761         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
10762         * config/i386/kopensolaris-gnu.h: New file.  Undefine
10763         `MD_UNWIND_SUPPORT'.
10764         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
10765
10766 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
10767
10768         PR tree-optimization/39007
10769         * tree-loop-distribution.c (generate_builtin): Use
10770         recompute_dominator to compute the immediate dominator of the
10771         basic block just after the loop.
10772
10773 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10774
10775         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
10776         (ASM_OUTPUT_DWARF_PCREL): Define.
10777
10778 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10779
10780         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
10781         * doc/passes.texi: Remove entries about regclass, local-alloc, and
10782         global.  Modify entries about regmove and IRA.
10783
10784         * ra-conflict.c: Remove the file.
10785
10786         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
10787
10788         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
10789         (pass_regclass_init): Rename to pass_reginfo_init.
10790
10791         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
10792
10793         * toplev.h (flag_ira): Remove.
10794
10795         * caller-save.c (setup_save_areas): Remove flag_ira.
10796
10797         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
10798
10799         * global.c: Remove the file.
10800
10801         * opts.c (decode_options): Remove flag_ira.
10802
10803         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
10804
10805         * regmove.c: Modify file description.
10806         (find_use_as_address, try_auto_increment): Define them only if
10807         AUTO_INC_DEC is defined.
10808         (replacement_quality, replace_in_call_usage, fixup_match_1,
10809         stable_and_no_regs_but_for_p): Remove.
10810         (reg_set_in_bb): Make it static.
10811         (regmove_optimize): Remove flag_ira and code which worked for
10812         !flag_ira.
10813
10814         * local-alloc.c: Remove the file.
10815
10816         * common.opt (fira): Remove.
10817
10818         * ira.c: Include except.h.
10819         (eliminable_regset): Move from global.c.
10820         (mark_elimination): Ditto.  Remove flag_ira.
10821         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
10822         equiv_mem_modified, validate_equiv_mem_from_store,
10823         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
10824         contains_replace_regs, memref_referenced_p, memref_used_between_p,
10825         no_equiv, recorded_label_ref): Move from local-alloc.c.
10826         (update_equiv_regs): Ditto.  Make it static.
10827         (print_insn_chain, print_insn_chains): Move it from global.c.
10828         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
10829         (build_insn_chain): Ditto.  Make it static.
10830         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
10831         Rename to init_live_subregs.
10832         (gate_ira): Remove flag_ira.
10833
10834         * regclass.c: Rename reginfo.c.  Change file description.
10835         (FORBIDDEN_INC_DEC_CLASSES): Remove.
10836         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
10837         (init_reg_sets_1): Remove code for evaluation of
10838         reg_class_superclasses and losing_caller_save_reg_set.
10839         (init_regs): Remove init_reg_autoinc.
10840         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
10841         ok_for_base_p_nonstrict): Remove.
10842         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
10843         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
10844         corresponding entries.
10845         (dump_regclass, record_operand_costs, scan_one_insn,
10846         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
10847         record_address_regs, auto_inc_dec_reg_p): Remove.
10848         (gt-regclass.h): Rename to gt-reginfo.h.
10849
10850         * rtl.h (dump_global_regs, retry_global_alloc,
10851         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
10852
10853         * Makefile.in (RA_H): Remove.
10854         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
10855         Rename regclass.o to reginfo.o.
10856         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
10857         gt-reginfo.h.
10858         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
10859         (GTFILES): Rename regclass.c to reginfo.c.
10860
10861         * passes.c (init_optimization_passes): Remove pass_local_alloc and
10862         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
10863
10864         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10865         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
10866         Remove flag_ira.
10867         (finish_spills): Ditto.  Remove code for !flag_ira.
10868
10869 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
10870
10871         PR middle-end/35854
10872         * doc/invoke.texi (rtl debug options): Complete rewrite.
10873         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
10874         to auto_inc_dec".
10875         * mode-switching.c (pass_mode_switching): Rename pass from
10876         "mode-sw" to "mode_sw".
10877         * except.c (pass_convert_to_eh_ranges): Rename pass from
10878         "eh-ranges" to "eh_ranges".
10879         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
10880         to "subreg1".
10881
10882
10883 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
10884             Alexander Monakov  <amonakov@ispras.ru>
10885
10886         PR middle-end/38857
10887         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
10888         register.
10889         (move_exprs_to_boundary): Change return type and pass through
10890         should_move from move_op.  Relax assert.  Update usage ...
10891         (schedule_expr_on_boundary): ... here.  Use should_move instead of
10892         cant_move.
10893         (move_op_orig_expr_found): Indicate that insn was disconnected from
10894         stream.
10895         (code_motion_process_successors): Do not call after_merge_succs
10896         callback if original expression was not found when traversing any of
10897         the branches.
10898         (code_motion_path_driver): Change return type.  Update prototype.
10899         (move_op): Update comment.  Add a new parameter (should_move).  Update
10900         prototype.  Set *should_move based on indication provided by
10901         move_op_orig_expr_found.
10902
10903 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
10904
10905         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
10906         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
10907         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
10908         * config/rs6000/rs6000.c (rs6000_override_options): Default
10909         avoid-indexed-addresses on for Power6, off for everything else.
10910         (avoiding_indexed_address_p): New function.
10911         (rs6000_legitimize_address): Use it.
10912         (rs6000_legitimate_address): Likewise.
10913         * config/rs6000/rs6000.md (movXX_updateX): Likewise
10914
10915 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
10916
10917         PR tree-optimization/38997
10918         * tree-loop-distribution.c (generate_memset_zero): Use
10919         POINTER_PLUS_EXPR for a pointer addition.
10920
10921 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
10922
10923         * config/s390/s390.md (bswap<mode>2): New pattern added.
10924
10925 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10926
10927         * config/s390/s390.md (*tls_load_31): Added type attribute.
10928
10929 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10930
10931         * config/s390/s390.md: Fix a few comments.
10932
10933 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10934
10935         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
10936         (*tm<mode>_full): Fixed z10prop attribute.
10937         (*tst<mode>_extimm): Fixed z10prop attribute.
10938         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
10939         (*tstqiCCT_cconly): Fixed z10prop attribute.
10940         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
10941         (*movsi_larl): Fixed z10prop attribute.
10942         (*movsi_zarch): Fixed z10prop attribute.
10943         (*movsi_eas): Fixed z10prop attribute.
10944         (*movhi): Fixed z10prop attribute.
10945         (*movqi): Fixed z10prop attribute.
10946         (*movstrictqi): Fixed z10prop attribute.
10947         (*mov<mode>): Fixed z10prop attribute.
10948         (*movcc): Fixed z10prop attribute.
10949         (*sethighpartdi_64): Fixed z10prop attribute.
10950         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
10951         (*negdi2_sign_cc): Fixed z10prop attribute.
10952         (*negdi2_sign): Fixed z10prop attribute.
10953         (*absdi2_sign_cc): Fixed z10prop attribute.
10954         (*absdi2_sign): Fixed z10prop attribute.
10955         (*negabsdi2_sign_cc): Fixed z10prop attribute.
10956         (*negabsdi2_sign): Fixed z10prop attribute.
10957         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
10958         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
10959         (doloop_si64): Fixed z10prop attribute.
10960         (doloop_si31): Fixed z10prop attribute.
10961         (doloop_long): Fixed z10prop attribute.
10962         (indirect_jump): Fixed z10prop attribute.
10963         (nop): Fixed z10prop attribute.
10964         (main_base_64): Fixed z10prop attribute.
10965         (reload_base_64): Fixed z10prop attribute.
10966
10967 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10968
10969         PR rtl-optimization/38740
10970         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
10971         if !optimize.
10972         * config/mips/mips.c (mips_reorg): Likewise.
10973
10974 2009-01-28  Richard Guenther  <rguenther@suse.de>
10975
10976         PR tree-optimization/38926
10977         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
10978         with the correct value id to a value.
10979         (do_regular_insertion): Use the value number of edoubleprime
10980         for the value number of the expr.
10981
10982         Revert
10983         2008-08-21  Richard Guenther  <rguenther@suse.de>
10984
10985         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
10986         a PHI ask VN if it is already available.
10987         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
10988         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
10989
10990 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10991
10992         PR middle-end/38934
10993         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
10994         set to varying whenever max has TREE_OVERFLOW set, similarly
10995         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
10996
10997 2009-01-28  Richard Guenther  <rguenther@suse.de>
10998
10999         PR middle-end/38908
11000         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
11001         uninitialized aggregate uses in call arguments.
11002
11003 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
11004
11005         PR tree-optimization/38984
11006         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
11007         the nothing_id variable if -fno-delete-null-pointer-checks.
11008
11009 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
11010
11011         PR target/38988
11012         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
11013         (set_got_offset_rex64): Ditto.
11014
11015 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
11016
11017         PR target/38941
11018         * doc/extend.texi: Improve local variable with asm reg.
11019
11020 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
11021
11022         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
11023         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
11024         was not supplied then set warn_packed_bitfield_compat to the
11025         default value of 1.
11026         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
11027         against 1.
11028
11029 2009-01-27  Richard Guenther  <rguenther@suse.de>
11030
11031         PR tree-optimization/38503
11032         * cfgexpand.c (expand_gimple_basic_block): Ignore
11033         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
11034         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
11035         variables that cannot have TBAA applied.
11036         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
11037         statements.
11038
11039 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
11040
11041         PR middle-end/38969
11042         * calls.c (initialize_argument_information): Do not wrap complex
11043         arguments in SAVE_EXPR.
11044
11045 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
11046
11047         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
11048         (INSTALL_LIBGCC): Revert typo commit.
11049
11050 2009-01-26  Richard Guenther  <rguenther@suse.de>
11051
11052         PR tree-optimization/38745
11053         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
11054         from special handling.
11055
11056 2009-01-26  Richard Guenther  <rguenther@suse.de>
11057
11058         PR tree-optimization/38745
11059         * tree-ssa.c (execute_update_addresses_taken): Do not include
11060         variables that cannot possibly be a register in not_reg_needs.
11061         Do not clear TREE_ADDRESSABLE on vars that may not become
11062         registers.
11063         * tree-ssa.c (update_alias_info_1): Include those in the set
11064         of addressable vars.
11065
11066 2009-01-26  Richard Guenther  <rguenther@suse.de>
11067
11068         PR middle-end/38851
11069         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
11070         * tree-ssa-dse.c: Include langhooks.h
11071         (execute_simple_dse): Remove stores with zero size.
11072
11073 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
11074
11075         PR c/38957
11076         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
11077         as PLUS_EXPR.
11078
11079 2009-01-24  Julian Brown  <julian@codesourcery.com>
11080
11081         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
11082         config/arm/linux-atomic.c.
11083         * config/arm/linux-atomic.c: New.
11084
11085 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
11086
11087         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
11088         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
11089         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
11090
11091 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
11092
11093         PR c/38938
11094         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
11095         properly.
11096
11097 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
11098
11099         PR tree-optimization/38953
11100         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
11101         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
11102         (gloog): Split the exit of the scop when the scop exit is a loop exit.
11103         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
11104         changed the CFG.
11105
11106 2009-01-24  Paul Brook  <paul@codesourcery.com>
11107
11108         * config/arm/neon.md (neon_type): Move to arm.md.
11109         (neon_mov<VSTRUCT>): Add neon_type attribute.
11110         * config/arm/arm.md (neon_type): Move to here.
11111         (conds): Add "unconditioal" and use as default for NEON insns.
11112
11113 2009-01-24  Ben Elliston  <bje@au.ibm.com>
11114
11115         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
11116         void *' warning from -Wc++-compat.
11117         * Makefile.in (dominance.o-warn): Remove.
11118
11119 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
11120
11121         PR tree-optimization/38932
11122         * fold-const.c (fold_unary_ignore_overflow): New.
11123         * tree.h (fold_unary_ignore_overflow): Declare.
11124         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
11125         * tree-ssa-sccvn.c (visit_reference_op_load,
11126         simplify_unary_expression): Likewise.
11127
11128 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
11129
11130         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
11131         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
11132         regardless of their type.
11133         * c-common.c (handle_packed_attribute): Don't ignore packed on
11134         bitfields.
11135         * c.opt (Wpacked-bitfield-compat): New warning option.
11136         * stor-layout.c (place_field): Warn if offset of a field changed.
11137         * doc/extend.texi (packed): Mention the ABI change.
11138         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
11139         (Warning Options): Add it to the list.
11140
11141 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
11142
11143         * c-opts.c (c_common_post_options): Fix a typo in comments.
11144
11145 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
11146
11147         PR middle-end/38615
11148         * gimplify.c (gimplify_init_constructor): Fix promotion of const
11149         variables to static.
11150         * doc/invoke.texi (-fmerge-all-constants): Update description.
11151
11152 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
11153
11154         PR target/38931
11155         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
11156         (*movdi_1_rex64): Use type "mmx" for alternative 5.
11157
11158 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
11159
11160         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
11161         a word boundary.
11162         (LOCAL_ALIGNMENT): Similarly.
11163
11164 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
11165             Joseph Myers  <joseph@codesourcery.com>
11166
11167         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
11168         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
11169         * config/arm/arm-tune.md: Regenerate.
11170         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
11171         -march=iwmmxt2.
11172
11173 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
11174
11175         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
11176         version number to five.
11177
11178 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
11179
11180         PR c++/38930
11181         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
11182         * c-common.c (set_underlying_type): Likewise.
11183         (is_typedef_decl ): Likewise
11184         * tree.h: Likewise
11185         (set_underlying_type): Likewise.
11186         (is_typedef_type): Likewise.
11187
11188 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
11189
11190         PR middle-end/38587
11191         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
11192         crossing setjmps.
11193
11194 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
11195
11196         PR bootstrap/37660
11197         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
11198         (LIBGCC_SPEC):  Don't define.
11199         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
11200
11201 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
11202
11203         PR rtl-optimization/38879
11204         * alias.c (base_alias_check): Unaligned access via AND address can
11205         alias all surrounding object types except those with sizes equal
11206         or wider than the size of unaligned access.
11207
11208 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
11209
11210         PR c++/26693
11211         * c-decl.c (clone_underlying_type): Move this ...
11212         * c-common.c (set_underlying_type): ... here.
11213         Also, make sure the function properly sets TYPE_STUB_DECL() on
11214         the newly created typedef variant type.
11215         (is_typedef_decl ): New entry point.
11216         * tree.h: Added a new member member_types_needing_access_check to
11217         struct tree_decl_non_common.
11218         (set_underlying_type): New entry point.
11219         (is_typedef_type): Likewise.
11220
11221 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
11222
11223         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
11224         Check whether two instructions have memory references that
11225         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
11226         are helper functions for traversing.
11227         * alias.h (insn_alias_sets_confilict_p): New prototypes.
11228         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
11229         not to draw dependency edge for instructions with non-conflicting
11230         alias sets.
11231
11232 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
11233
11234         PR other/38758
11235         * longlong.h: Update copyright years.  Use soft-fp license notice.
11236         Sync __clz_tab declaration with glibc.
11237
11238 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
11239
11240         PR target/30687
11241         * doc/extend.texi (syscall_linkage): New.
11242         (version_id): Modify.
11243
11244 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11245             Richard Guenther  <rguenther@suse.de>
11246
11247         PR tree-optimization/38747
11248         PR tree-optimization/38748
11249         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
11250         conversion if the base address is an indirect reference and the
11251         aliasing sets could cause issues.
11252
11253 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
11254
11255         * common.opt (fgraphite, fgraphite-identity): Add comment for
11256         explaining why these options are not documented.
11257
11258 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
11259
11260         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
11261         gimple_call_lhs is NULL.
11262
11263 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
11264
11265         PR target/38868
11266         * emit-rtl.c (adjust_address_1): Make sure memref is never
11267         overwritten.
11268
11269 2009-01-20  Ben Elliston  <bje@au.ibm.com>
11270
11271         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11272         const qualifier from arg parameter. Remove unnecessary cast to char *.
11273         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11274         const qualifier from arg 2.
11275
11276 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
11277
11278         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
11279
11280 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
11281
11282         PR c/38869
11283         * rtl.h (reinit_regs): New prototype.
11284         * regclass.c: Include ira.h.
11285         (reinit_regs): New.
11286         * Makefile.in (regclass.o): Add ira.h.
11287         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
11288
11289 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
11290
11291         PR target/38736
11292         * c-common.c (handle_aligned_attribute): Use
11293         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
11294         default alignment value.
11295
11296         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
11297
11298         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
11299         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
11300
11301         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
11302         __BIGGEST_ALIGNMENT__.
11303
11304         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
11305
11306 2009-01-18  Richard Guenther  <rguenther@suse.de>
11307
11308         PR tree-optimization/38819
11309         * tree-flow.h (operation_could_trap_helper_p): Declare.
11310         * tree-eh.c (operation_could_trap_helper_p): Export.
11311         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
11312         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
11313         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
11314         are about to insert a possibly trapping instruction and fail
11315         in this case.
11316
11317 2009-01-18  Andreas Schwab  <schwab@suse.de>
11318
11319         * doc/install.texi (Configuration): Remove obsolete paragraph
11320         about use of --with-gnu-ld with --with-gnu-as.
11321
11322 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
11323
11324         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
11325         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
11326         Follow spelling conventions.
11327
11328 2009-01-18  Ben Elliston  <bje@au.ibm.com>
11329
11330         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
11331         C++ warning about implicit conversion from void * to struct
11332         bitmap_head_def *.
11333         (bitmap_obstack_free): Likewise for bitmap_element *.
11334         * Makefile.in (bitmap.o-warn): Remove.
11335
11336 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
11337
11338         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
11339
11340 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
11341             Tobias Grosser  <tobi.grosser@amd.com>
11342
11343         * graphite.c (graphite_trans_scop_block): Do not block single
11344         nested loops.
11345
11346 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
11347
11348         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
11349         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
11350         test with assertion.
11351
11352 2009-01-16  Richard Guenther  <rguenther@suse.de>
11353
11354         PR tree-optimization/38835
11355         PR middle-end/36227
11356         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
11357         and INT + PTR -> (INT)(PTR p+ INT) folding.
11358         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
11359
11360 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
11361
11362         PR target/38554
11363         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
11364         the subreg from a lowpart subreg if it is also casting the value.
11365
11366 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11367             Tobias Grosser  <tobi.grosser@amd.com>
11368
11369         * graphite.c (compare_prefix_loops): New.
11370         (build_scop_canonical_schedules): Rewritten.
11371         (graphite_transform_loops): Move build_scop_canonical_schedules
11372         after build_scop_iteration_domain.
11373
11374 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11375             Tobias Grosser  <tobi.grosser@amd.com>
11376
11377         * graphite.c (add_conditions_to_domain): Add the loops to
11378         the dimension of the iteration domain.  Do copy the domain
11379         only when it exists.
11380         (build_scop_conditions_1): Do not call add_conditions_to_domain.
11381         (add_conditions_to_constraints): New.
11382         (can_generate_code_stmt, can_generate_code): Removed.
11383         (gloog): Do not call can_generate_code.
11384         (graphite_transform_loops): Call add_conditions_to_constraints
11385         after building the iteration domain.
11386
11387 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
11388
11389         PR tree-optimization/38789
11390         * tree-ssa-threadedge.c
11391         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
11392         __builtin_constant_p.
11393
11394 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
11395
11396         * dce.c (delete_unmarked_insns): Reversed the order that insns are
11397         examined before deleting them.
11398
11399 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
11400
11401         * function.c (aggregate_value_p): Correctly extract the function
11402         type from CALL_EXPR_FN lookup.
11403
11404 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
11405
11406         * config/picochip/picochip.c (picochip_override_options): Revert
11407         CFI asm flag disable commited previously.
11408
11409 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
11410             Tobias Grosser  <tobi.grosser@amd.com>
11411             Jan Sjodin  <jan.sjodin@amd.com>
11412
11413         * graphite.c (scan_tree_for_params): On substractions negate
11414         all the coefficients of the term.
11415         (clast_to_gcc_expression_red): New.  Handle reduction expressions
11416         of more than two operands.
11417         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
11418         (get_vdef_before_scop): Handle also the case of default definitions.
11419
11420 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
11421
11422         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
11423         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
11424         Also use them when walking CALL_INSN_FUNCTION_USAGE.
11425
11426 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
11427             Joey Ye  <joey.ye@intel.com>
11428
11429         PR middle-end/37843
11430         * cfgexpand.c (expand_stack_alignment): Don't update stack
11431         boundary nor check incoming stack boundary here.
11432         (gimple_expand_cfg): Update stack boundary and check incoming
11433         stack boundary here.
11434
11435 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
11436
11437         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
11438
11439 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
11440
11441         PR rtl-optimization/38245
11442         * calls.c (expand_call): Add stack arguments to
11443         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11444         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
11445         in regs and partially in memory or BLKmode arguments.
11446         (emit_library_call_value_1): Add stack arguments to
11447         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11448         ACCUMULATE_OUTGOING_ARGS).
11449         * dce.c: Include tm_p.h.
11450         (find_call_stack_args): New function.
11451         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
11452         argument.
11453         (mark_insn): Call find_call_stack_args for CALL_Ps.
11454         (prescan_insns_for_dce): Walk insns backwards in bb rather than
11455         forwards.  Allocate and free arg_stores bitmap if needed, pass it
11456         down to deletable_insn_p, don't mark stores set in arg_stores
11457         bitmap, clear the bitmap at the beginning of each bb.
11458         * Makefile.in (dce.o): Depend on $(TM_P_H).
11459
11460 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
11461
11462         PR target/22599
11463         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
11464         to make sure the insn is a conditional test (bug 22599).  Reformat a
11465         few long lines.
11466
11467 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
11468
11469         PR middle-end/38431
11470         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
11471         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
11472         (gloog): Do not call cleanup_tree_cfg.
11473         (graphite_transform_loops): Call cleanup_tree_cfg after all
11474         scops have been code generated.
11475
11476 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
11477         * doc/gty.texi (Invoking the garbage collector): Added new node
11478         and section documenting ggc_collect.
11479
11480 2009-01-14  Richard Guenther  <rguenther@suse.de>
11481
11482         PR tree-optimization/38826
11483         PR middle-end/38477
11484         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
11485         initialization notes only if we actually emitted a warning.
11486         (intra_create_variable_infos): Add constraints for a result decl
11487         that is passed by hidden reference.
11488         (build_pred_graph): Mark all related variables non-direct on
11489         address-taking.
11490
11491 2009-01-14  Nick Clifton  <nickc@redhat.com>
11492
11493         * ira-conflicts.c: Include addresses.h for the definition of
11494         base_reg_class.
11495         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
11496         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
11497
11498 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
11499
11500         PR target/38811
11501         * Makefile.in (ira-lives.o): Add except.h.
11502
11503         * ira-lives.c: Include except.h.
11504         (process_bb_node_lives): Process can_throw_internal.
11505
11506 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
11507
11508         PR rtl-optimization/38774
11509         * combine.c (simplify_set): When undoing cc_use change, don't do
11510         PUT_CODE on the newly created comparison, but instead put back the
11511         old comparison.
11512
11513 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
11514
11515         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
11516         values.  Remove duplicate arm8 entry.
11517
11518 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11519
11520         PR tree-optimization/38786
11521         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
11522         the SSA_NAME case of expand_scalar_variables_expr.
11523         Set the type of an expression to the type of its assign statement.
11524         (expand_scalar_variables_expr): Also gather the scalar computation
11525         used to index the memory access.  Do not pass loop_p.
11526         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
11527         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
11528         the gimple_stmt_iterator where it inserts new code.
11529         Do not pass loop_p.
11530         (copy_bb_and_scalar_dependences): Do not pass loop_p.
11531         (translate_clast): Update call to copy_bb_and_scalar_dependences.
11532
11533 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11534
11535         * graphite.h (debug_value): Removed.
11536         * graphite.c (debug_value): Removed.
11537
11538 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11539
11540         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
11541         ldrd/strd with two 32-bit instructions.
11542
11543 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11544
11545         * config/arm/arm.c (struct processors): Pass for speed down into
11546         cost helper functions.
11547         (const_ok_for_op): Handle COMPARE and inequality nodes.
11548         (arm_rtx_costs_1): Rewrite.
11549         (arm_size_rtx_costs): Update prototype.
11550         (arm_rtx_costs): Pass speed down to helper functions.
11551         (arm_slowmul_rtx_costs): Rework cost calculations.
11552         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
11553         (arm_9e_rtx_costs): Likewise.
11554
11555 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
11556
11557         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
11558         relocations of local symbols wider than UNITS_PER_WORD are not valid.
11559         (alpha_legitimize_address): Do not split local symbols wider than
11560         UNITS_PER_WORD into HIGH/LO_SUM parts.
11561
11562 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
11563
11564         PR bootstrap/38580
11565         * gcc.c (process_command): Replace call to execvp with calls
11566         to pex_one and exit.
11567
11568 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
11569
11570         PR target/29141
11571         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
11572         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
11573         variant for devices with 3-byte PC.
11574         (__tablejump_elpm__): New.
11575
11576 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11577
11578         PR c/32041
11579         * c-parser.c (c_parser_postfix_expression): Allow `->' in
11580         offsetof member-designator, handle it as `[0].'.
11581
11582 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11583
11584         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
11585         function when not using named sections on targets with named sections
11586         if branch distance is less than 262132.
11587
11588 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
11589
11590         * combine.c (combine_instructions):  Recompute
11591         optimize_this_for_speed_p  for each BB in the main combine loop.
11592
11593 2009-01-12  Tomas Bily  <tbily@suse.cz>
11594
11595         PR middlend/38385
11596         * tree-loop-distribution.c (prop_phis): New function.
11597         (generate_builtin): Call prop_phis.
11598         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
11599
11600 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11601
11602         PR tree-optimization/38807
11603         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
11604         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
11605
11606 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
11607
11608         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
11609         subreg of op0 to the original op0.
11610
11611 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
11612
11613         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
11614
11615 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
11616
11617         PR debug/7055
11618         * mips-tfile.c (parse_def): Fix parsing of def strings
11619         starting with digits.
11620
11621 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
11622
11623         PR target/38695
11624         * config/arm/arm.c (arm_is_long_call_p): Don't call
11625         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
11626
11627 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
11628
11629         * regrename.c (regrename_optimize): Fix dumping.
11630         (find_oldest_value_reg): Preserve REG_POINTER.
11631         (copy_hardreg_forward_1): Likewise.
11632
11633 2009-01-09  Diego Novillo  <dnovillo@google.com>
11634
11635         * gimple.h (struct gimple_statement_base) <uid>: Document
11636         the restrictions on its use.
11637         (gimple_uid): Tidy.
11638         (gimple_set_uid): Tidy.
11639
11640 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11641
11642         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
11643         zero guard even if align_bytes != 0 and count is smaller than
11644         size_needed.
11645
11646 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
11647
11648         PR rtl-optimization/38495
11649         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
11650         (add_range_and_copies_from_move_list): Print all added ranges.
11651         Add ranges to memory optimized destination.
11652
11653 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11654
11655         PR target/38686
11656         PR target/38708
11657         * config/i386/i386.c (override_options): Reject
11658         -mstringop-strategy=rep_8byte with -m32.
11659         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
11660         to 1.  Do count comparison against epilogue_size_needed at compile
11661         time even when count_exp was constant forced into register.  For
11662         size_needed don't jump to epilogue, instead just avoid aligning
11663         and invoke the body algorithm.  If need_zero_guard, add zero guard
11664         even if count is non-zero, but smaller than size_needed + number of
11665         bytes that could be stored for alignment.
11666         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
11667         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
11668         but smaller than size_needed + number of bytes that could be stored
11669         for alignment.  Compare size_needed with epilogue_size_needed instead
11670         of desired_align - align, don't adjust size_needed, pass
11671         epilogue_size_needed to the epilogue expanders.
11672
11673         PR c/35742
11674         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
11675
11676 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11677
11678         * pa.c (last_address): Change to unsigned.
11679         (update_total_code_bytes): Change argument to unsigned.  Don't
11680         check if insn addresses are set.
11681         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
11682         addresses are not set.
11683         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
11684
11685 2009-01-09  Nick Clifton  <nickc@redhat.com>
11686
11687         * config/sh/symbian.c: Replace uses of DECL_INLINE with
11688         DECL_DECLARED_INLINE_P.
11689
11690 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11691
11692         PR middle-end/38347
11693         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
11694         GET_MODE (op0) in operand_subword_force calls.
11695
11696         PR middle-end/38771
11697         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
11698         fold_convert arg0 operands to TREE_TYPE (op0) first.
11699
11700 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
11701
11702         * params.def (ira-max-conflict-table-size): Decrease default value
11703         to 1000.
11704
11705 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
11706
11707         PR tree-optimization/37031
11708         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
11709         on parameter_set.
11710         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
11711         allocate it using gc instead of heap, use VEC_quick_push instead of
11712         VEC_safe_push.
11713         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
11714         instead of heap, use VEC_quick_push instead of VEC_safe_push.
11715         * tree-data-ref.h (struct access_matrix): Change matrix to gc
11716         allocated vector from heap allocated.
11717         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
11718         * tree-loop-linear.c (linear_transform_loops): Allocate nest
11719         vector only after perfect_loop_nest_depth call.
11720
11721 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
11722             Jan Sjodin  <jan.sjodin@amd.com>
11723
11724         PR tree-optimization/38559
11725         * graphite.c (debug_value, copy_constraint,
11726         swap_constraint_variables, scale_constraint_variable, ): New.
11727         (get_lower_bound, get_upper_bound): Removed.
11728         (graphite_trans_bb_strip_mine): Clean up this code that works
11729         only for constant number of iterations.  Fully copy upper and
11730         lower bound constraints, not only the constant part of them.
11731         * graphite.h (debug_value): Declared.
11732
11733 2009-01-08  Ira Rosen  <irar@il.ibm.com>
11734
11735         PR tree-optimization/37194
11736         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
11737         Don't add the cost of cost model guard in prologue to scalar
11738         outside cost in case of known number of iterations.
11739
11740 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
11741             Alan Modra  <amodra@bigpond.net.au>
11742
11743         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
11744         non-word-aligned REG+CONST addressing.
11745
11746 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11747
11748         PR target/38706
11749         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
11750         free_after_compilation when outputting a thunk.
11751         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
11752         Do not call free_after_compilation here.
11753
11754 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11755
11756         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
11757         (ix86_valid_target_attribute_inner_p): Ditto.
11758
11759 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
11760
11761         PR tree-optimization/38492
11762         PR tree-optimization/38498
11763         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
11764         * tree-chrec.h (scev_is_linear_expression): Declared.
11765         * graphite.c (graphite_cannot_represent_loop_niter): New.
11766         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
11767         (graphite_loop_normal_form): Use gcc_assert.
11768         (scan_tree_for_params): Use CASE_CONVERT.
11769         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
11770         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
11771         Use gcc_assert.  Discard scops that contain unhandled cases.
11772         (build_scop_conditions): Return a boolean status for unhandled cases.
11773         (strip_mine_profitable_p): Print the loop number, not its depth.
11774         (is_interchange_valid): Pass the depth of the loop nest, don't
11775         recompute it wrongly.
11776         (graphite_trans_bb_block): Same.
11777         (graphite_trans_bb_block): Print tentative of loop blocking.
11778         (graphite_trans_scop_block): Do not print that the loop has been
11779         blocked.
11780         (graphite_transform_loops): Do not handle scops that contain condition
11781         scalar phi nodes.
11782
11783 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
11784
11785         AVX Programming Reference (December, 2008)
11786         * config/i386/avxintrin.h (_mm256_stream_si256): New.
11787         (_mm256_stream_pd): Likewise.
11788         (_mm256_stream_ps): Likewise.
11789
11790         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
11791         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
11792         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
11793         (bdesc_special_args): Add __builtin_ia32_movntdq256,
11794         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
11795         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
11796         (ix86_expand_special_args_builtin): Likewise.
11797
11798         * config/i386/sse.md (AVXMODEDI): New.
11799         (avx_movnt<mode>): Likewise.
11800         (avx_movnt<mode>): Likewise.
11801         (<sse>_movnt<mode>): Remove AVX support.
11802         (sse2_movntv2di): Likewise.
11803
11804 2009-01-07  Richard Guenther  <rguenther@suse.de>
11805
11806         PR middle-end/38751
11807         * fold-const.c (extract_muldiv): Remove obsolete comment.
11808         (fold_plusminus_mult_expr): Undo MINUS_EXPR
11809         to PLUS_EXPR canonicalization for the canonicalization.
11810
11811 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
11812
11813         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
11814         hosted cross-compilers generating less efficient code.
11815
11816 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11817
11818         * function.h (rtl_data): Add a dbr_scheduled_p field.
11819         * reorg.c (dbr_schedule): Set it.
11820         (gate_handle_delay_slots): Check it.
11821         * config/mips/mips.c (mips_base_delayed_branch): Delete.
11822         (mips_reorg): Check flag_delayed_branch instead of
11823         mips_base_delayed_branch.
11824         (mips_override_options): Don't set mips_base_delayed_branch
11825         or flag_delayed_branch.
11826
11827 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11828
11829         PR rtl-optimization/38426.
11830         * ira.c (ira): Set current_function_is_leaf earlier.
11831
11832 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
11833
11834         PR rtl-optimization/38722
11835         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
11836         too early, only set a flag and modify after last possible
11837         undo_all point.
11838
11839 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
11840
11841         PR c/34252
11842         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
11843         * real.c (decimal_single_format): Correct values of emin and emax.
11844         (decimal_double_format): Ditto.
11845         (decimal_quad_format): Ditto.
11846         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
11847         computation of DECnn_MIN and DECnn_MAX for corrected values of
11848         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
11849         __DECnn_MIN__, and adjust its computation for the corrected value
11850         of emin.
11851
11852 2009-01-06  Jan Hubicka  <jh@suse.cz>
11853
11854         PR target/38744
11855         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
11856
11857 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
11858
11859         * doc/contrib.texi (Contributors): Slightly adjust the end note.
11860         Add Robert Clark to the list of testers.
11861
11862 2009-01-06  Jan Hubicka  <jh@suse.cz>
11863             Kai Tietz  <kai.tietz@onevision.com>
11864
11865         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
11866         * config/i386/i386.c (ix86_expand_call): Add clobbers.
11867
11868 2009-01-06  Jan Hubicka  <jh@suse.cz>
11869             Kai Tietz  <kai.tietz@onevision.com>
11870
11871         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
11872         for w64 ABI.
11873         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
11874         (ix86_nsaved_regs): Count only general purpose regs.
11875         (ix86_nsaved_sseregs): New.
11876         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
11877         to 16 for w64; compute padding and size of sse reg save area.
11878         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
11879         general purpose regs.
11880         (ix86_emit_save_sse_regs_using_mov): New.
11881         (ix86_expand_prologue): Save SSE regs if needed.
11882         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
11883         (ix86_emit_restore_sse_regs_using_mov): New.
11884         (ix86_expand_epilogue): Save SSE regs if needed.
11885
11886 2009-01-06  Jan Hubicka  <jh@suse.cz>
11887             Kai Tietz  <kai.tietz@onevision.com>
11888
11889         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
11890         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
11891         functions when accumulate outgoing args is off.
11892
11893 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11894
11895         PR bootstrap/38742
11896         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
11897         before using pseudos_have_intersected_live_ranges_p.
11898
11899         * ira-int.h (ira_assert): Always define.
11900
11901 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11902
11903         AVX Programming Reference (December, 2008)
11904         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
11905         (_mm256_permute2_pd): Likewise.
11906         (_mm_permute2_ps): Likewise.
11907         (_mm256_permute2_ps): Likewise.
11908         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
11909         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
11910
11911         * config/i386/i386.c (ix86_builtins): Remove
11912         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
11913         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
11914         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
11915         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
11916         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
11917         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
11918         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
11919         __builtin_ia32_vpermil2ps256.
11920         (ix86_init_mmx_sse_builtins): Updated.
11921         (ix86_expand_args_builtin): Likewise.
11922
11923 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11924
11925         * pa.c (output_call): Relocate non-jump insns in the delay slot of
11926         long absolute calls when generating PA 2.0 code.
11927
11928 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
11929
11930         PR rtl-optimization/38583
11931         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
11932
11933         * params.def (ira-max-conflict-table-size): New.
11934
11935         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
11936
11937         * ira.h (ira_conflicts_p): New external definition.
11938
11939         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
11940         table.  Report this.  Return result of building.
11941         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
11942         building conflict table.
11943
11944         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
11945         (ira_color): Use ira_conflicts_p.
11946
11947         * global.c: Include ira.h.
11948         (pseudo_for_reload_consideration_p, build_insn_chain): Use
11949         ira_conflicts_p.
11950
11951         * Makefile.in (global.o): Add ira.h.
11952
11953         * ira-build.c (mark_all_loops_for_removal,
11954         propagate_some_info_from_allocno): New.
11955         (remove_unnecessary_allocnos): Call
11956         propagate_some_info_from_allocno.
11957         (remove_low_level_allocnos): New.
11958         (remove_unnecessary_regions): Add parameter.  Call
11959         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
11960         parameter to remove_unnecessary_regions.
11961         (ira_build): Remove all regions but root if the conflict table was
11962         not built.  Update conflict hard regs for allocnos crossing calls.
11963
11964         * ira.c (ira_conflicts_p): New global.
11965         (ira): Define and use ira_conflicts_p.
11966
11967         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
11968         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
11969         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
11970
11971 2009-01-06  Ben Elliston  <bje@au.ibm.com>
11972
11973         * gengtype-lex.l (YY_NO_INPUT): Define.
11974
11975 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11976
11977         PR c/34911
11978         * c-common.c (handle_vector_size_attribute): Also reject
11979         BOOLEAN_TYPE types.
11980
11981 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
11982
11983         PR tree-optimization/38492
11984         * graphite.c (rename_map_elt, debug_rename_elt,
11985         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
11986         rename_map_elt_info, eq_rename_map_elts,
11987         get_new_name_from_old_name, bb_in_sese_p): Moved around.
11988         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
11989         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
11990         (sese_build_livein_liveouts): New.
11991         (new_sese, free_sese): New.
11992         (new_scop): Call new_sese.
11993         (free_scop): Call free_sese.
11994         (rename_variables_from_edge, rename_phis_end_scop): Removed.
11995         (register_old_new_names): Renamed register_old_and_new_names.
11996         (register_scop_liveout_renames, add_loop_exit_phis,
11997         insert_loop_close_phis, struct igp,
11998         default_liveout_before_guard, add_guard_exit_phis,
11999         insert_guard_phis, copy_renames): New.
12000         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
12001         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
12002         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
12003         (scop_adjust_phis_for_liveouts): New.
12004         (gloog): Call scop_adjust_phis_for_liveouts.
12005
12006         * graphite.h (struct sese): Documented.  Added fields liveout,
12007         num_ver and livein.
12008         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
12009         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
12010         (struct scop): Added field liveout_renames.
12011         (SCOP_LIVEOUT_RENAMES): New.
12012
12013 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12014
12015         PR tree-optimization/38510
12016         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
12017         (translate_clast): Call recompute_all_dominators before
12018         graphite_verify.
12019         (gloog): Call recompute_all_dominators before graphite_verify.
12020
12021 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12022             Jan Sjodin  <jan.sjodin@amd.com>
12023
12024         PR tree-optimization/38500
12025         * graphite.c (create_sese_edges): Call fix_loop_structure after
12026         splitting blocks.
12027
12028 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
12029
12030         * config.gcc: Add m32r*-*-rtems*.
12031         * config/m32r/rtems.h: New file.
12032
12033 2009-01-05  Ben Elliston  <bje@au.ibm.com>
12034
12035         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
12036         (.po.pox): Likewise.
12037         (po/gcc.pot): Likewise.
12038
12039 2009-01-04  David S. Miller  <davem@davemloft.net>
12040
12041         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
12042         (STARTING_FRAME_OFFSET): Always set to zero.
12043
12044 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
12045
12046         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
12047         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
12048         fixed-point types, and vectors of the same.
12049
12050 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
12051
12052         * config/mips/sync.md (*mb_barrier): Rename to...
12053         (*memory_barrier): ...this.
12054
12055 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
12056
12057         * doc/extend.texi (Function Attributes): Move @cindex after @item
12058         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
12059         and put in alphabetical order. Fix 'target' name and put in order.
12060         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
12061         typos.
12062
12063 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
12064
12065         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
12066         (memory_barrier): Expand as unspec instead of unspec_volatile.
12067         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12068         (*memory_barrier): Define as unspec instead of unspec_volatile.
12069         Use (match_dup 0) as input operand.
12070
12071         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
12072         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
12073         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
12074         scratch register.  Remove operand 1.
12075         (*stbar): Define as unspec instead of unspec_volatile.
12076         Use (match_dup 0) as input operand, remove (const_int 8).
12077         (*membar): Define as unspec instead of unspec_volatile.
12078         Use (match_dup 0) as input operand, remove input operand 2.
12079
12080         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
12081         (memory_barrier): Expand as unspec instead of unspec_volatile.
12082         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12083         (*memory_barrier): Define as unspec instead of unspec_volatile.
12084         Use (match_dup 0) as input operand.
12085
12086         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
12087         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12088         Set volatile flag on operand 0.
12089         (*memory_barrier): New insn pattern.
12090
12091         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
12092         insn operands.
12093         (*memory_barrier): Use (match_dup 0) as input operand.
12094
12095         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
12096         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12097         Set volatile flag on operand 0.
12098         (*mb_internal): New insn pattern.
12099
12100         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
12101
12102 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
12103
12104         PR middle-end/38586
12105         * function.c (struct temp_slot): Move to the section of the file
12106         that deals with temp slots.  Remove field 'address'.
12107         (temp_slot_address_table): New hash table of address -> temp slot.
12108         (struct temp_slot_address_entry): New struct, items for the table.
12109         (temp_slot_address_compute_hash, temp_slot_address_hash,
12110         temp_slot_address_eq, insert_temp_slot_address): Support functions
12111         for the new table.
12112         (find_temp_slot_from_address): Rewrite to use the new hash table.
12113         (remove_unused_temp_slot_addresses): Remove addresses of temp
12114         slots that have been made available.
12115         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
12116         worker function for remove_unused_temp_slot_addresses.
12117         (assign_stack_temp_for_type): Don't clear the temp slot address list.
12118         Add the temp slot address to the address -> temp slot map.
12119         (update_temp_slot_address): Update via insert_temp_slot_address.
12120         (free_temp_slots): Call remove_unused_temp_slot_addresses.
12121         (pop_temp_slots): Likewise.
12122         (init_temp_slots): Allocate the address -> temp slot map, or empty
12123         the map if it is already allocated.
12124         (prepare_function_start): Initialize temp slot processing.
12125
12126 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
12127
12128         PR middle-end/38584
12129         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
12130         Calculate the size of all stack vars assuming no packing of stack
12131         vars will happen, replacing a quadratic algorithm with a linear one.
12132
12133 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
12134
12135         PR target/38707
12136         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
12137         can't be used.
12138
12139 2009-01-03  Diego Novillo  <dnovillo@google.com>
12140
12141         * doc/contrib.texi: Update contributions.
12142
12143 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
12144
12145         PR c++/38705
12146         * builtins.c (fold_builtin_memory_op): Give up if either operand
12147         is volatile.  Set srctype or desttype to non-qualified version
12148         of the other type.
12149
12150         PR c/38700
12151         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
12152         and FUNCTION_DECLs.
12153
12154 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
12155
12156         PR rtl-optimization/35805
12157         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
12158         problem if fast dce is able to remove any instructions.
12159         * dce.c (dce_process_block): Fix dump message.
12160
12161 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
12162
12163         PR 33649
12164         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
12165
12166 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
12167
12168         PR middle-end/38690
12169         * tree-flow.h (op_code_prio, op_prio): New prototypes.
12170         * tree-pretty-print.c (op_code_prio): New function.
12171         (op_prio): No longer static.  Use op_code_prio.
12172         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
12173         Use op_prio and op_code_prio to determine if () should be
12174         printed around operand(s) or not.
12175
12176         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
12177         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
12178         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
12179         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
12180         pp_character instead of pp_string for single letter printing.
12181
12182 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
12183
12184         * doc/extend.texi: Fix '#pragma GCC option' typo.
12185
12186 2009-01-02  Richard Guenther  <rguenther@suse.de>
12187
12188         * doc/install.texi (--enable-checking): Mention different
12189         default for stage1.
12190         (--enable-stage1-checking): Document.
12191
12192 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
12193
12194         PR middle-end/30142
12195         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
12196         case to be an error.
12197
12198 2009-01-02  Ben Elliston  <bje@au.ibm.com>
12199
12200         * config/fp-bit.h (pack_d): Constify argument.
12201         * config/fp-bit.c (makenan): Constify return type. Remove casts.
12202         (isnan): Constify argument.
12203         (isinf): Likewise.
12204         (iszero): Likewise.
12205         (pack_d): Likewise.
12206         (_fpadd_parts): Constify return type.
12207         (_fpmul_parts): Likewise.
12208         (_fpdiv_parts): Likewise.
12209
12210 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
12211
12212         PR c/36489
12213         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
12214         warn about overwriting initializer with side-effects or
12215         -Woverride-init if !IMPLICIT.
12216         (output_init_element): Likewise.  Pass IMPLICIT down to
12217         add_pending_init.
12218         (process_init_element): Add IMPLICIT argument.  Pass it down
12219         to output_init_element.
12220         (push_init_element, pop_init_level, set_designator): Adjust
12221         process_init_element callers.
12222         (set_nonincremental_init, set_nonincremental_init_from_string):
12223         Adjust add_pending_init callers.
12224         (output_pending_init_elements): Adjust output_init_element callers.
12225         * c-tree.h (process_init_element): Adjust prototype.
12226         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
12227         process_init_element callers.
12228
12229 \f
12230 Copyright (C) 2009 Free Software Foundation, Inc.
12231
12232 Copying and distribution of this file, with or without modification,
12233 are permitted in any medium without royalty provided the copyright
12234 notice and this notice are preserved.